https://spaitial.ai/assets/index-DHZmkj5c.js

1import{_ as hv,r as he,j as Lt}from"./index-BnjeHCXP.js";const QC="GpuTimings",Ex="2.19.2",JC="3f52bb8";function Ud(l,e){for(const t in e){const s=e[t];Array.isArray(s)?l[t]=Ud([],s):s&&typeof s=="object"?l[t]=Ud({},s):l[t]=s}return l}const eE={create(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,l=>{const e=Math.random()*16|0;return(l==="x"?e:e&3|8).toString(16)})}},ve={delimiter:"/",join(...l){let e=l[0];for(let t=0;t<l.length-1;t++){const s=l[t],i=l[t+1];if(i[0]===ve.delimiter){e=i;continue}s&&i&&s[s.length-1]!==ve.delimiter&&i[0]!==ve.delimiter?e+=ve.delimiter+i:e+=i}return e},normalize(l){const e=l.startsWith(ve.delimiter),t=l.endsWith(ve.delimiter),s=l.split("/");let i="",r=[];for(let a=0;a<s.length;a++)if(s[a]!==""&&s[a]!=="."){if(s[a]===".."&&r.length>0){r=r.slice(0,r.length-2);continue}a>0&&r.push(ve.delimiter),r.push(s[a])}return i=r.join(""),!e&&i[0]===ve.delimiter&&(i=i.slice(1)),t&&i[i.length-1]!==ve.delimiter&&(i+=ve.delimiter),i},split(l){const 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pE{handler;name;callback;scope;_once;_removed=!1;constructor(e,t,s,i,r=!1){this.handler=e,this.name=t,this.callback=s,this.scope=i,this._once=r}off(){this._removed||this.handler.offByHandle(this)}on(e,t,s=this){return this.handler._addCallback(e,t,s,!1)}once(e,t,s=this){return this.handler._addCallback(e,t,s,!0)}set removed(e){e&&(this._removed=!0)}get removed(){return this._removed}toJSON(e){}}class ge{_callbacks=new Map;_callbackActive=new Map;initEventHandler(){this._callbacks=new Map,this._callbackActive=new Map}_addCallback(e,t,s,i){if(this._callbacks.has(e)||this._callbacks.set(e,[]),this._callbackActive.has(e)){const a=this._callbackActive.get(e);a&&a===this._callbacks.get(e)&&this._callbackActive.set(e,a.slice())}const r=new pE(this,e,t,s,i);return this._callbacks.get(e).push(r),r}on(e,t,s=this){return this._addCallback(e,t,s,!1)}once(e,t,s=this){return this._addCallback(e,t,s,!0)}off(e,t,s){if(e)this._callbackActive.has(e)&&this._callbackActive.get(e)===this._callbacks.get(e)&&this._callbackActive.set(e,this._callbackActive.get(e).slice());else for(const[i,r]of this._callbackActive)this._callbacks.has(i)&&this._callbacks.get(i)===r&&this._callbackActive.set(i,r.slice());if(e)if(t){const i=this._callbacks.get(e);if(!i)return this;for(let r=0;r<i.length;r++)i[r].callback===t&&(s&&i[r].scope!==s||(i[r].removed=!0,i.splice(r,1),r--));i.length===0&&this._callbacks.delete(e)}else{const i=this._callbacks.get(e);if(i){for(let r=0;r<i.length;r++)i[r].removed=!0;this._callbacks.delete(e)}}else{for(const i of this._callbacks.values())for(let r=0;r<i.length;r++)i[r].removed=!0;this._callbacks.clear()}return this}offByHandle(e){const t=e.name;e.removed=!0,this._callbackActive.has(t)&&this._callbackActive.get(t)===this._callbacks.get(t)&&this._callbackActive.set(t,this._callbackActive.get(t).slice());const s=this._callbacks.get(t);if(!s)return this;const i=s.indexOf(e);return i!==-1&&(s.splice(i,1),s.length===0&&this._callbacks.delete(t)),this}fire(e,t,s,i,r,a,n,o,c){if(!e)return this;const h=this._callbacks.get(e);if(!h)return this;let d;this._callbackActive.has(e)?this._callbackActive.get(e)!==h&&(d=h.slice()):this._callbackActive.set(e,h);for(let u=0;(d||this._callbackActive.get(e))&&u<(d||this._callbackActive.get(e)).length;u++){const f=(d||this._callbackActive.get(e))[u];if(f.callback&&(f.callback.call(f.scope,t,s,i,r,a,n,o,c),f._once)){const p=this._callbacks.get(e),m=p?p.indexOf(f):-1;if(m!==-1){this._callbackActive.get(e)===p&&this._callbackActive.set(e,this._callbackActive.get(e).slice());const _=this._callbacks.get(e);if(!_)continue;_[m].removed=!0,_.splice(m,1),_.length===0&&this._callbacks.delete(e)}}}return d||this._callbackActive.delete(e),this}hasEvent(e){return!!this._callbacks.get(e)?.length}}class mE{_list=[];_index={};push(e,t){if(this._index[e])throw Error(`Key already in index ${e}`);const 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this.r=e.r,this.g=e.g,this.b=e.b,this.a=e.a,this}equals(e){return this.r===e.r&&this.g===e.g&&this.b===e.b&&this.a===e.a}set(e,t,s,i=1){return this.r=e,this.g=t,this.b=s,this.a=i,this}lerp(e,t,s){return this.r=e.r+s*(t.r-e.r),this.g=e.g+s*(t.g-e.g),this.b=e.b+s*(t.b-e.b),this.a=e.a+s*(t.a-e.a),this}linear(e=this){return this.r=Math.pow(e.r,2.2),this.g=Math.pow(e.g,2.2),this.b=Math.pow(e.b,2.2),this.a=e.a,this}gamma(e=this){return this.r=Math.pow(e.r,1/2.2),this.g=Math.pow(e.g,1/2.2),this.b=Math.pow(e.b,1/2.2),this.a=e.a,this}mulScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}fromString(e){const t=parseInt(e.replace("#","0x"),16);let s;return e.length>7?s=H.intToBytes32(t):(s=H.intToBytes24(t),s[3]=255),this.set(s[0]/255,s[1]/255,s[2]/255,s[3]/255),this}fromArray(e,t=0){return this.r=e[t]??this.r,this.g=e[t+1]??this.g,this.b=e[t+2]??this.b,this.a=e[t+3]??this.a,this}toString(e,t){const{r:s,g:i,b:r,a}=this;if(t||s>1||i>1||r>1)return`${s.toFixed(3)}, ${i.toFixed(3)}, ${r.toFixed(3)}, ${a.toFixed(3)}`;let n=`#${((1<<24)+(Math.round(s*255)<<16)+(Math.round(i*255)<<8)+Math.round(r*255)).toString(16).slice(1)}`;if(e===!0){const o=Math.round(a*255).toString(16);this.a<16/255?n+=`0${o}`:n+=o}return n}toArray(e=[],t=0,s=!0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,s&&(e[t+3]=this.a),e}static BLACK=Object.freeze(new Q(0,0,0,1));static BLUE=Object.freeze(new Q(0,0,1,1));static CYAN=Object.freeze(new Q(0,1,1,1));static GRAY=Object.freeze(new Q(.5,.5,.5,1));static GREEN=Object.freeze(new Q(0,1,0,1));static MAGENTA=Object.freeze(new Q(1,0,1,1));static RED=Object.freeze(new Q(1,0,0,1));static WHITE=Object.freeze(new Q(1,1,1,1));static YELLOW=Object.freeze(new Q(1,1,0,1))}class Rx{_curve;_left=-1/0;_right=1/0;_recip=0;_p0=0;_p1=0;_m0=0;_m1=0;constructor(e,t=0){this._curve=e,this._reset(t)}evaluate(e,t=!1){(t||e<this._left||e>=this._right)&&this._reset(e);let s;const i=this._curve.type;if(i===SE)s=this._p0;else{const r=this._recip===0?0:(e-this._left)*this._recip;i===vE?s=H.lerp(this._p0,this._p1,r):i===H_?s=H.lerp(this._p0,this._p1,r*r*(3-2*r)):s=this._evaluateHermite(this._p0,this._p1,this._m0,this._m1,r)}return s}_reset(e){const t=this._curve.keys,s=t.length;if(!s)this._left=-1/0,this._right=1/0,this._recip=0,this._p0=this._p1=this._m0=this._m1=0;else if(e<t[0][0])this._left=-1/0,this._right=t[0][0],this._recip=0,this._p0=this._p1=t[0][1],this._m0=this._m1=0;else if(e>=t[s-1][0])this._left=t[s-1][0],this._right=1/0,this._recip=0,this._p0=this._p1=t[s-1][1],this._m0=this._m1=0;else{let i=0;for(;e>=t[i+1][0];)i++;this._left=t[i][0],this._right=t[i+1][0];const r=1/(this._right-this._left);this._recip=isFinite(r)?r:0,this._p0=t[i][1],this._p1=t[i+1][1],this._curve.type===pv&&this._calcTangents(t,i)}}_calcTangents(e,t){let s;const i=e[t],r=e[t+1];let a;if(t===0?s=[e[0][0]+(e[0][0]-e[1][0]),e[0][1]+(e[0][1]-e[1][1])]:s=e[t-1],t===e.length-2?a=[e[t+1][0]+(e[t+1][0]-e[t][0]),e[t+1][1]+(e[t+1][1]-e[t][1])]:a=e[t+2],this._curve.type===pv){const n=2*(r[0]-i[0])/(r[0]-s[0]),o=2*(r[0]-i[0])/(a[0]-i[0]);this._m0=this._curve.tension*(isFinite(n)?n:0)*(r[1]-s[1]),this._m1=this._curve.tension*(isFinite(o)?o:0)*(a[1]-i[1])}else{const n=(r[0]-i[0])/(i[0]-s[0]),o=(r[0]-i[0])/(a[0]-r[0]),c=i[1]+(s[1]-i[1])*(isFinite(n)?n:0),h=r[1]+(a[1]-r[1])*(isFinite(o)?o:0),d=this._curve.tension;this._m0=d*(r[1]-c),this._m1=d*(h-i[1])}}_evaluateHermite(e,t,s,i,r){const a=r*r,n=r+r,o=1-r,c=o*o;return e*((1+n)*c)+s*(r*c)+t*(a*(3-n))+i*(a*(r-1))}}class _i{keys=[];type=H_;tension=.5;_eval=new Rx(this);constructor(e){if(e)for(let t=0;t<e.length-1;t+=2)this.keys.push([e[t],e[t+1]]);this.sort()}get length(){return this.keys.length}add(e,t){const s=this.keys,i=s.length;let r=0;for(;r<i&&!(s[r][0]>e);r++);const a=[e,t];return this.keys.splice(r,0,a),a}get(e){return this.keys[e]}sort(){this.keys.sort((e,t)=>

2e[0]-t[0])}value(e){return this._eval.evaluate(e,!0)}closest(e){const t=this.keys,s=t.length;let i=2,r=null;for(let a=0;a<s;a++){const n=Math.abs(e-t[a][0]);if(i>=n)i=n,r=t[a];else break}return r}clone(){const e=new this.constructor;return e.keys=this.keys.map(t=>[...t]),e.type=this.type,e.tension=this.tension,e}quantize(e){e=Math.max(e,2);const t=new Float32Array(e),s=1/(e-1);t[0]=this._eval.evaluate(0,!0);for(let i=1;i<e;i++)t[i]=this._eval.evaluate(s*i);return t}quantizeClamped(e,t,s){const i=this.quantize(e);for(let r=0;r<i.length;++r)i[r]=Math.min(s,Math.max(t,i[r]));return i}}class Ya{curves=[];_type=H_;constructor(...e){if(e.length>1)for(let t=0;t<e.length;t++)this.curves.push(new _i(e[t]));else if(e.length===0)this.curves.push(new _i);else{const t=e[0];if(typeof t=="number")for(let s=0;s<t;s++)this.curves.push(new _i);else for(let s=0;s<t.length;s++)this.curves.push(new _i(t[s]))}}get length(){return this.curves.length}set type(e){this._type=e;for(let t=0;t<this.curves.length;t++)this.curves[t].type=e}get type(){return this._type}get(e){return this.curves[e]}value(e,t=[]){const s=this.curves.length;t.length=s;for(let i=0;i<s;i++)t[i]=this.curves[i].value(e);return t}clone(){const e=new this.constructor;e.curves=[];for(let t=0;t<this.curves.length;t++)e.curves.push(this.curves[t].clone());return e._type=this._type,e}quantize(e){e=Math.max(e,2);const t=this.curves.length,s=new Float32Array(e*t),i=1/(e-1);for(let r=0;r<t;r++){const a=new Rx(this.curves[r]);for(let n=0;n<e;n++)s[n*t+r]=a.evaluate(i*n)}return s}quantizeClamped(e,t,s){const i=this.quantize(e);for(let r=0;r<i.length;++r)i[r]=Math.min(s,Math.max(t,i[r]));return i}}const Nm=new Float32Array(1),mv=new Int32Array(Nm.buffer);class Ja{static float2Half(e){Nm[0]=e;const t=mv[0];let s=t>>16&32768,i=t>>12&2047;const r=t>>23&255;return r<103?s:r>142?(s|=31744,s|=(r===255?0:1)&&t&8388607,s):r<113?(i|=2048,s|=(i>>114-r)+(i>>113-r&1),s):(s|=r-112<<10|i>>1,s+=i&1,s)}static float2RGBA8(e,t){Nm[0]=e;const s=mv[0];t.r=(s>>24&255)/255,t.g=(s>>16&255)/255,t.b=(s>>8&255)/255,t.a=(s&255)/255}}class E{x;y;z;constructor(e=0,t=0,s=0){e.length===3?(this.x=e[0],this.y=e[1],this.z=e[2]):(this.x=e,this.y=t,this.z=s)}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}add2(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addScaled(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}clone(){const e=this.constructor;return new e(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}cross(e,t){const s=e.x,i=e.y,r=e.z,a=t.x,n=t.y,o=t.z;return this.x=i*o-n*r,this.y=r*a-o*s,this.z=s*n-a*i,this}distance(e){const t=this.x-e.x,s=this.y-e.y,i=this.z-e.z;return Math.sqrt(t*t+s*s+i*i)}div(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}div2(e,t){return this.x=e.x/t.x,this.y=e.y/t.y,this.z=e.z/t.z,this}divScalar(e){return this.x/=e,this.y/=e,this.z/=e,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}equals(e){return this.x===e.x&&this.y===e.y&&this.z===e.z}equalsApprox(e,t=1e-6){return Math.abs(this.x-e.x)<t&&Math.abs(this.y-e.y)<t&&Math.abs(this.z-e.z)<t}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}lerp(e,t,s){return this.x=e.x+s*(t.x-e.x),this.y=e.y+s*(t.y-e.y),this.z=e.z+s*(t.z-e.z),this}mul(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}mul2(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}mulScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}normalize(e=this){const t=e.x*e.x+e.y*e.y+e.z*e.z;if(t>0){const s=1/Math.sqrt(t);this.x=e.x*s,this.y=e.y*s,this.z=e.z*s}return this}floor(e=this){return this.x=Math.floor(e.x),this.y=Math.floor(e.y),this.z=Math.floor(e.z),this}ceil(e=this){return this.x=Math.ceil(e.x),this.y=Math.ceil(e.y),this.z=Math.ceil(e.z),this}round(e=this){return this.x=Math.round(e.x),this.y=Math.round(e.y),this.z=Math.round(e.z),this}min(e){return e.x<this.x&&(this.x=e.x),e.y<this.y&&(this.y=e.y),e.z<this.z&&(this.z=e.z),this}max(e){return e.x>this.x&&(this.x=e.x),e.y>this.y&&(this.y=e.y),e.z>this.z&&(this.z=e.z),this}project(e){const t=this.x*e.x+this.y*e.y+this.z*e.z,s=e.x*e.x+e.y*e.y+e.z*e.z,i=t/s;return this.x=e.x*i,this.y=e.y*i,this.z=e.z*i,this}set(e,t,s){return this.x=e,this.y=t,this.z=s,this}

2sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}sub2(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}fromArray(e,t=0){return this.x=e[t]??this.x,this.y=e[t+1]??this.y,this.z=e[t+2]??this.z,this}toString(){return`[${this.x}, ${this.y}, ${this.z}]`}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}static ZERO=Object.freeze(new E(0,0,0));static HALF=Object.freeze(new E(.5,.5,.5));static ONE=Object.freeze(new E(1,1,1));static UP=Object.freeze(new E(0,1,0));static DOWN=Object.freeze(new E(0,-1,0));static RIGHT=Object.freeze(new E(1,0,0));static LEFT=Object.freeze(new E(-1,0,0));static FORWARD=Object.freeze(new E(0,0,-1));static BACK=Object.freeze(new E(0,0,1))}class xi{data=new Float32Array(9);constructor(){this.data[0]=this.data[4]=this.data[8]=1}clone(){const e=this.constructor;return new e().copy(this)}copy(e){const t=e.data,s=this.data;return s[0]=t[0],s[1]=t[1],s[2]=t[2],s[3]=t[3],s[4]=t[4],s[5]=t[5],s[6]=t[6],s[7]=t[7],s[8]=t[8],this}set(e){const t=this.data;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],this}getX(e=new E){return e.set(this.data[0],this.data[1],this.data[2])}getY(e=new E){return e.set(this.data[3],this.data[4],this.data[5])}getZ(e=new E){return e.set(this.data[6],this.data[7],this.data[8])}equals(e){const t=this.data,s=e.data;return t[0]===s[0]&&t[1]===s[1]&&t[2]===s[2]&&t[3]===s[3]&&t[4]===s[4]&&t[5]===s[5]&&t[6]===s[6]&&t[7]===s[7]&&t[8]===s[8]}isIdentity(){const e=this.data;return e[0]===1&&e[1]===0&&e[2]===0&&e[3]===0&&e[4]===1&&e[5]===0&&e[6]===0&&e[7]===0&&e[8]===1}setIdentity(){const e=this.data;return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,this}toString(){return`[${this.data.join(", ")}]`}transpose(e=this){const t=e.data,s=this.data;if(t===s){let i;i=t[1],s[1]=t[3],s[3]=i,i=t[2],s[2]=t[6],s[6]=i,i=t[5],s[5]=t[7],s[7]=i}else s[0]=t[0],s[1]=t[3],s[2]=t[6],s[3]=t[1],s[4]=t[4],s[5]=t[7],s[6]=t[2],s[7]=t[5],s[8]=t[8];return this}setFromMat4(e){const t=e.data,s=this.data;return s[0]=t[0],s[1]=t[1],s[2]=t[2],s[3]=t[4],s[4]=t[5],s[5]=t[6],s[6]=t[8],s[7]=t[9],s[8]=t[10],this}setFromQuat(e){const t=e.x,s=e.y,i=e.z,r=e.w,a=t+t,n=s+s,o=i+i,c=t*a,h=t*n,d=t*o,u=s*n,f=s*o,p=i*o,m=r*a,_=r*n,g=r*o,v=this.data;return v[0]=1-(u+p),v[1]=h+g,v[2]=d-_,v[3]=h-g,v[4]=1-(c+p),v[5]=f+m,v[6]=d+_,v[7]=f-m,v[8]=1-(c+u),this}invertMat4(e){const t=e.data,s=t[0],i=t[1],r=t[2],a=t[4],n=t[5],o=t[6],c=t[8],h=t[9],d=t[10],u=d*n-o*h,f=-d*i+r*h,p=o*i-r*n,m=-d*a+o*c,_=d*s-r*c,g=-o*s+r*a,v=h*a-n*c,x=-h*s+i*c,y=n*s-i*a,S=s*u+i*m+r*v;if(S===0)this.setIdentity();else{const T=1/S,w=this.data;w[0]=u*T,w[1]=f*T,w[2]=p*T,w[3]=m*T,w[4]=_*T,w[5]=g*T,w[6]=v*T,w[7]=x*T,w[8]=y*T}return this}transformVector(e,t=new E){const s=this.data,{x:i,y:r,z:a}=e;return t.x=i*s[0]+r*s[3]+a*s[6],t.y=i*s[1]+r*s[4]+a*s[7],t.z=i*s[2]+r*s[5]+a*s[8],t}static IDENTITY=Object.freeze(new xi);static ZERO=Object.freeze(new xi().set([0,0,0,0,0,0,0,0,0]))}class j{x;y;constructor(e=0,t=0){e.length===2?(this.x=e[0],this.y=e[1]):(this.x=e,this.y=t)}add(e){return this.x+=e.x,this.y+=e.y,this}add2(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScalar(e){return this.x+=e,this.y+=e,this}addScaled(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}clone(){const e=this.constructor;return new e(this.x,this.y)}copy(e){return this.x=e.x,this.y=e.y,this}cross(e){return this.x*e.y-this.y*e.x}distance(e){const t=this.x-e.x,s=this.y-e.y;return Math.sqrt(t*t+s*s)}div(e){return this.x/=e.x,this.y/=e.y,this}div2(e,t){return this.x=e.x/t.x,this.y=e.y/t.y,this}divScalar(e){return this.x/=e,this.y/=e,this}dot(e){return this.x*e.x+this.y*e.y}equals(e){return this.x===e.x&&this.y===e.y}equalsApprox(e,t=1e-6){return Math.abs(this.x-e.x)<t&&Math.abs(this.y-e.y)<t}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}lengthSq(){return this.x*this.x+this.y*this.y}lerp(e,t,s){return this.x=e.x+s*(t.x-e.x),this.y=e.y+s*(t.y-e.y),this}mul(e){return this.x*=e.x,this.y*=e.y,this}mul2(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this}mulScalar(e){return this.x*=e,this.y*=e,this}normalize(e=this){const t=e.x*e.x+e.y*e.y;if(t>0){const s=1/Math.sqrt(t);this.x=e.x*s,this.y=e.y*s}return this}rotate(e){const t=Math.atan2(this.x,this.y)+e*H.DEG_TO_RAD,s=Math.sqrt(this.x*this.x+this.y*this.y);return this.x=Math.sin(t)*s,this.y=Math.cos(t)*s,this}angle(){return Math.atan2(this.x,this.y)*H.RAD_TO_DEG}angleTo(e){return Math.atan2(this.x*e.y+this.y*e.x,this.x*e.x+this.y*e.y)*H.RAD_TO_DEG}floor(e=this){return this.x=Math.floor(e.x),this.y=Math.floor(e.y),this}ceil(e=this){return this.x=Math.ceil(e.x),this.y=Math.ceil(e.y),this}

2round(e=this){return this.x=Math.round(e.x),this.y=Math.round(e.y),this}min(e){return e.x<this.x&&(this.x=e.x),e.y<this.y&&(this.y=e.y),this}max(e){return e.x>this.x&&(this.x=e.x),e.y>this.y&&(this.y=e.y),this}set(e,t){return this.x=e,this.y=t,this}sub(e){return this.x-=e.x,this.y-=e.y,this}sub2(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}subScalar(e){return this.x-=e,this.y-=e,this}fromArray(e,t=0){return this.x=e[t]??this.x,this.y=e[t+1]??this.y,this}toString(){return`[${this.x}, ${this.y}]`}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}static angleRad(e,t){return Math.atan2(e.x*t.y-e.y*t.x,e.x*t.x+e.y*t.y)}static ZERO=Object.freeze(new j(0,0));static HALF=Object.freeze(new j(.5,.5));static ONE=Object.freeze(new j(1,1));static UP=Object.freeze(new j(0,1));static DOWN=Object.freeze(new j(0,-1));static RIGHT=Object.freeze(new j(1,0));static LEFT=Object.freeze(new j(-1,0))}class ie{x;y;z;w;constructor(e=0,t=0,s=0,i=0){e.length===4?(this.x=e[0],this.y=e[1],this.z=e[2],this.w=e[3]):(this.x=e,this.y=t,this.z=s,this.w=i)}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}add2(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addScaled(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}clone(){const e=this.constructor;return new e(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w,this}div(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}div2(e,t){return this.x=e.x/t.x,this.y=e.y/t.y,this.z=e.z/t.z,this.w=e.w/t.w,this}divScalar(e){return this.x/=e,this.y/=e,this.z/=e,this.w/=e,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}equals(e){return this.x===e.x&&this.y===e.y&&this.z===e.z&&this.w===e.w}equalsApprox(e,t=1e-6){return Math.abs(this.x-e.x)<t&&Math.abs(this.y-e.y)<t&&Math.abs(this.z-e.z)<t&&Math.abs(this.w-e.w)<t}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}lerp(e,t,s){return this.x=e.x+s*(t.x-e.x),this.y=e.y+s*(t.y-e.y),this.z=e.z+s*(t.z-e.z),this.w=e.w+s*(t.w-e.w),this}mul(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}mul2(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this.w=e.w*t.w,this}mulScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}normalize(e=this){const t=e.x*e.x+e.y*e.y+e.z*e.z+e.w*e.w;if(t>0){const s=1/Math.sqrt(t);this.x=e.x*s,this.y=e.y*s,this.z=e.z*s,this.w=e.w*s}return this}floor(e=this){return this.x=Math.floor(e.x),this.y=Math.floor(e.y),this.z=Math.floor(e.z),this.w=Math.floor(e.w),this}ceil(e=this){return this.x=Math.ceil(e.x),this.y=Math.ceil(e.y),this.z=Math.ceil(e.z),this.w=Math.ceil(e.w),this}round(e=this){return this.x=Math.round(e.x),this.y=Math.round(e.y),this.z=Math.round(e.z),this.w=Math.round(e.w),this}min(e){return e.x<this.x&&(this.x=e.x),e.y<this.y&&(this.y=e.y),e.z<this.z&&(this.z=e.z),e.w<this.w&&(this.w=e.w),this}max(e){return e.x>this.x&&(this.x=e.x),e.y>this.y&&(this.y=e.y),e.z>this.z&&(this.z=e.z),e.w>this.w&&(this.w=e.w),this}set(e,t,s,i){return this.x=e,this.y=t,this.z=s,this.w=i,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}sub2(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}fromArray(e,t=0){return this.x=e[t]??this.x,this.y=e[t+1]??this.y,this.z=e[t+2]??this.z,this.w=e[t+3]??this.w,this}toString(){return`[${this.x}, ${this.y}, ${this.z}, ${this.w}]`}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}static ZERO=Object.freeze(new ie(0,0,0,0));static HALF=Object.freeze(new ie(.5,.5,.5,.5));static ONE=Object.freeze(new ie(1,1,1,1))}const nl=new j,ri=new E,Ai=new E,Pi=new E,uh=new E;class Z{data=new Float32Array(16);constructor(){this.data[0]=this.data[5]=this.data[10]=this.data[15]=1}static _getPerspectiveHalfSize(e,t,s,i,r){r?(e.x=i*Math.tan(t*Math.PI/360),e.y=e.x/s):(e.y=i*Math.tan(t*Math.PI/360),e.x=e.y*s)}add2(e,t){const s=e.data,i=t.data,r=this.data;return r[0]=s[0]+i[0],r[1]=s[1]+i[1],r[2]=s[2]+i[2],r[3]=s[3]+i[3],r[4]=s[4]+i[4],r[5]=s[5]+i[5],r[6]=s[6]+i[6],r[7]=s[7]+i[7],r[8]=s[8]+i[8],r[9]=s[9]+i[9],r[10]=s[10]+i[10],r[11]=s[11]+i[11],r[12]=s[12]+i[12],r[13]=s[13]+i[13],r[14]=s[14]+i[14],r[15]=s[15]+i[15],this}add(e){return this.add2(this,e)}clone(){const e=this.constructor;return new e().copy(this)}copy(e){const t=e.data,s=this.data;return s[0]=t[0],s[1]=t[1],s[2]=t[2],s[3]=t[3],s[4]=t[4],s[5]=t[5],s[6]=t[6],s[7]=t[7],s[8]=t[8],s[9]=t[9],s[10]=t[10],s[11]=t[11],s[12]=t[12],s[13]=t[13],s[14]=t[14],s[15]=t[15],this}equals(e){const t=this.data,s=e.data;return t[0]===s[0]&&t[1]===s[1]&&t[2]===s[2]&&t[3]===s[3]&&t[4]===s[4]&&t[5]===s[5]&&t[6]===s[6]&&t[7]===s[7]&&t[8]===s[8]&&t[9]===s[9]&&t[10]===s[10]&&t[11]===s[11]&&t[12]===s[12]&&t[13]===s[13]&&t[14]===s[14]&&t[15]===s[15]}isIdentity(){const e=this.data;return e[0]===1&&e[1]===0&&e[2]===0&&e[3]===0&&e[4]===0&&e[5]===1&&e[6]===0&&e[7]===0&&e[8]===0&&e[9]===0&&e[10

2]===1&&e[11]===0&&e[12]===0&&e[13]===0&&e[14]===0&&e[15]===1}mul2(e,t){const s=e.data,i=t.data,r=this.data,a=s[0],n=s[1],o=s[2],c=s[3],h=s[4],d=s[5],u=s[6],f=s[7],p=s[8],m=s[9],_=s[10],g=s[11],v=s[12],x=s[13],y=s[14],S=s[15];let T,w,C,b;return T=i[0],w=i[1],C=i[2],b=i[3],r[0]=a*T+h*w+p*C+v*b,r[1]=n*T+d*w+m*C+x*b,r[2]=o*T+u*w+_*C+y*b,r[3]=c*T+f*w+g*C+S*b,T=i[4],w=i[5],C=i[6],b=i[7],r[4]=a*T+h*w+p*C+v*b,r[5]=n*T+d*w+m*C+x*b,r[6]=o*T+u*w+_*C+y*b,r[7]=c*T+f*w+g*C+S*b,T=i[8],w=i[9],C=i[10],b=i[11],r[8]=a*T+h*w+p*C+v*b,r[9]=n*T+d*w+m*C+x*b,r[10]=o*T+u*w+_*C+y*b,r[11]=c*T+f*w+g*C+S*b,T=i[12],w=i[13],C=i[14],b=i[15],r[12]=a*T+h*w+p*C+v*b,r[13]=n*T+d*w+m*C+x*b,r[14]=o*T+u*w+_*C+y*b,r[15]=c*T+f*w+g*C+S*b,this}mulAffine2(e,t){const s=e.data,i=t.data,r=this.data,a=s[0],n=s[1],o=s[2],c=s[4],h=s[5],d=s[6],u=s[8],f=s[9],p=s[10],m=s[12],_=s[13],g=s[14];let v,x,y;return v=i[0],x=i[1],y=i[2],r[0]=a*v+c*x+u*y,r[1]=n*v+h*x+f*y,r[2]=o*v+d*x+p*y,r[3]=0,v=i[4],x=i[5],y=i[6],r[4]=a*v+c*x+u*y,r[5]=n*v+h*x+f*y,r[6]=o*v+d*x+p*y,r[7]=0,v=i[8],x=i[9],y=i[10],r[8]=a*v+c*x+u*y,r[9]=n*v+h*x+f*y,r[10]=o*v+d*x+p*y,r[11]=0,v=i[12],x=i[13],y=i[14],r[12]=a*v+c*x+u*y+m,r[13]=n*v+h*x+f*y+_,r[14]=o*v+d*x+p*y+g,r[15]=1,this}mul(e){return this.mul2(this,e)}transformPoint(e,t=new E){const s=this.data,{x:i,y:r,z:a}=e;return t.x=i*s[0]+r*s[4]+a*s[8]+s[12],t.y=i*s[1]+r*s[5]+a*s[9]+s[13],t.z=i*s[2]+r*s[6]+a*s[10]+s[14],t}transformVector(e,t=new E){const s=this.data,{x:i,y:r,z:a}=e;return t.x=i*s[0]+r*s[4]+a*s[8],t.y=i*s[1]+r*s[5]+a*s[9],t.z=i*s[2]+r*s[6]+a*s[10],t}transformVec4(e,t=new ie){const s=this.data,{x:i,y:r,z:a,w:n}=e;return t.x=i*s[0]+r*s[4]+a*s[8]+n*s[12],t.y=i*s[1]+r*s[5]+a*s[9]+n*s[13],t.z=i*s[2]+r*s[6]+a*s[10]+n*s[14],t.w=i*s[3]+r*s[7]+a*s[11]+n*s[15],t}setLookAt(e,t,s){Pi.sub2(e,t).normalize(),Ai.copy(s).normalize(),ri.cross(Ai,Pi).normalize(),Ai.cross(Pi,ri);const i=this.data;return i[0]=ri.x,i[1]=ri.y,i[2]=ri.z,i[3]=0,i[4]=Ai.x,i[5]=Ai.y,i[6]=Ai.z,i[7]=0,i[8]=Pi.x,i[9]=Pi.y,i[10]=Pi.z,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}setFrustum(e,t,s,i,r,a){const n=2*r,o=t-e,c=i-s,h=a-r,d=this.data;return d[0]=n/o,d[1]=0,d[2]=0,d[3]=0,d[4]=0,d[5]=n/c,d[6]=0,d[7]=0,d[8]=(t+e)/o,d[9]=(i+s)/c,d[10]=(-a-r)/h,d[11]=-1,d[12]=0,d[13]=0,d[14]=-n*a/h,d[15]=0,this}setPerspective(e,t,s,i,r){return Z._getPerspectiveHalfSize(nl,e,t,s,r),this.setFrustum(-nl.x,nl.x,-nl.y,nl.y,s,i)}setOrtho(e,t,s,i,r,a){const n=this.data;return n[0]=2/(t-e),n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/(i-s),n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/(a-r),n[11]=0,n[12]=-(t+e)/(t-e),n[13]=-(i+s)/(i-s),n[14]=-(a+r)/(a-r),n[15]=1,this}setFromAxisAngle(e,t){t*=H.DEG_TO_RAD;const{x:s,y:i,z:r}=e,a=Math.cos(t),n=Math.sin(t),o=1-a,c=o*s,h=o*i,d=this.data;return d[0]=c*s+a,d[1]=c*i+n*r,d[2]=c*r-n*i,d[3]=0,d[4]=c*i-n*r,d[5]=h*i+a,d[6]=h*r+n*s,d[7]=0,d[8]=c*r+n*i,d[9]=h*r-s*n,d[10]=o*r*r+a,d[11]=0,d[12]=0,d[13]=0,d[14]=0,d[15]=1,this}setTranslate(e,t,s){const i=this.data;return i[0]=1,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=1,i[6]=0,i[7]=0,i[8]=0,i[9]=0,i[10]=1,i[11]=0,i[12]=e,i[13]=t,i[14]=s,i[15]=1,this}setScale(e,t,s){const i=this.data;return i[0]=e,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=t,i[6]=0,i[7]=0,i[8]=0,i[9]=0,i[10]=s,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,this}setViewport(e,t,s,i){const r=this.data;return r[0]=s*.5,r[1]=0,r[2]=0,r[3]=0,r[4]=0,r[5]=i*.5,r[6]=0,r[7]=0,r[8]=0,r[9]=0,r[10]=.5,r[11]=0,r[12]=e+s*.5,r[13]=t+i*.5,r[14]=.5,r[15]=1,this}setReflection(e,t){const s=e.x,i=e.y,r=e.z,a=this.data;return a[0]=1-2*s*s,a[1]=-2*s*i,a[2]=-2*s*r,a[3]=0,a[4]=-2*s*i,a[5]=1-2*i*i,a[6]=-2*i*r,a[7]=0,a[8]=-2*s*r,a[9]=-2*i*r,a[10]=1-2*r*r,a[11]=0,a[12]=-2*s*t,a[13]=-2*i*t,a[14]=-2*r*t,a[15]=1,this}invert(e=this){const t=e.data,s=t[0],i=t[1],r=t[2],a=t[3],n=t[4],o=t[5],c=t[6],h=t[7],d=t[8],u=t[9],f=t[10],p=t[11],m=t[12],_=t[13],g=t[14],v=t[15],x=s*o-i*n,y=s*c-r*n,S=s*h-a*n,T=i*c-r*o,w=i*h-a*o,C=r*h-a*c,b=d*_-u*m,I=d*g-f*m,P=d*v-p*m,L=u*g-f*_,O=u*v-p*_,D=f*v-p*g,N=x*D-y*O+S*L+T*P-w*I+C*b;if(N===0)this.setIdentity();

2else{const k=1/N,A=this.data;A[0]=(o*D-c*O+h*L)*k,A[1]=(-i*D+r*O-a*L)*k,A[2]=(_*C-g*w+v*T)*k,A[3]=(-u*C+f*w-p*T)*k,A[4]=(-n*D+c*P-h*I)*k,A[5]=(s*D-r*P+a*I)*k,A[6]=(-m*C+g*S-v*y)*k,A[7]=(d*C-f*S+p*y)*k,A[8]=(n*O-o*P+h*b)*k,A[9]=(-s*O+i*P-a*b)*k,A[10]=(m*w-_*S+v*x)*k,A[11]=(-d*w+u*S-p*x)*k,A[12]=(-n*L+o*I-c*b)*k,A[13]=(s*L-i*I+r*b)*k,A[14]=(-m*T+_*y-g*x)*k,A[15]=(d*T-u*y+f*x)*k}return this}set(e){const t=this.data;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],this}setIdentity(){const e=this.data;return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}setTRS(e,t,s){const i=t.x,r=t.y,a=t.z,n=t.w,o=s.x,c=s.y,h=s.z,d=i+i,u=r+r,f=a+a,p=i*d,m=i*u,_=i*f,g=r*u,v=r*f,x=a*f,y=n*d,S=n*u,T=n*f,w=this.data;return w[0]=(1-(g+x))*o,w[1]=(m+T)*o,w[2]=(_-S)*o,w[3]=0,w[4]=(m-T)*c,w[5]=(1-(p+x))*c,w[6]=(v+y)*c,w[7]=0,w[8]=(_+S)*h,w[9]=(v-y)*h,w[10]=(1-(p+g))*h,w[11]=0,w[12]=e.x,w[13]=e.y,w[14]=e.z,w[15]=1,this}transpose(e=this){const t=e.data,s=this.data;if(t===s){let i;i=t[1],s[1]=t[4],s[4]=i,i=t[2],s[2]=t[8],s[8]=i,i=t[3],s[3]=t[12],s[12]=i,i=t[6],s[6]=t[9],s[9]=i,i=t[7],s[7]=t[13],s[13]=i,i=t[11],s[11]=t[14],s[14]=i}else s[0]=t[0],s[1]=t[4],s[2]=t[8],s[3]=t[12],s[4]=t[1],s[5]=t[5],s[6]=t[9],s[7]=t[13],s[8]=t[2],s[9]=t[6],s[10]=t[10],s[11]=t[14],s[12]=t[3],s[13]=t[7],s[14]=t[11],s[15]=t[15];return this}getTranslation(e=new E){return e.set(this.data[12],this.data[13],this.data[14])}getX(e=new E){return e.set(this.data[0],this.data[1],this.data[2])}getY(e=new E){return e.set(this.data[4],this.data[5],this.data[6])}getZ(e=new E){return e.set(this.data[8],this.data[9],this.data[10])}getScale(e=new E){return this.getX(ri),this.getY(Ai),this.getZ(Pi),e.set(ri.length(),Ai.length(),Pi.length()),e}get scaleSign(){return this.getX(ri),this.getY(Ai),this.getZ(Pi),ri.cross(ri,Ai),ri.dot(Pi)<0?-1:1}setFromEulerAngles(e,t,s){e*=H.DEG_TO_RAD,t*=H.DEG_TO_RAD,s*=H.DEG_TO_RAD;const i=Math.sin(-e),r=Math.cos(-e),a=Math.sin(-t),n=Math.cos(-t),o=Math.sin(-s),c=Math.cos(-s),h=this.data;return h[0]=n*c,h[1]=-n*o,h[2]=a,h[3]=0,h[4]=r*o+c*i*a,h[5]=r*c-i*a*o,h[6]=-n*i,h[7]=0,h[8]=i*o-r*c*a,h[9]=c*i+r*a*o,h[10]=r*n,h[11]=0,h[12]=0,h[13]=0,h[14]=0,h[15]=1,this}getEulerAngles(e=new E){this.getScale(uh);const t=uh.x,s=uh.y,i=uh.z;if(t===0||s===0||i===0)return e.set(0,0,0);const r=this.data,a=Math.asin(-r[2]/t),n=Math.PI*.5;let o,c;return a<n?a>-n?(o=Math.atan2(r[6]/s,r[10]/i),c=Math.atan2(r[1]/t,r[0]/t)):(c=0,o=-Math.atan2(r[4]/s,r[5]/s)):(c=0,o=Math.atan2(r[4]/s,r[5]/s)),e.set(o,a,c).mulScalar(H.RAD_TO_DEG)}toString(){return`[${this.data.join(", ")}]`}static IDENTITY=Object.freeze(new Z);static ZERO=Object.freeze(new Z().set([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]))}class ae{x;y;z;w;constructor(e=0,t=0,s=0,i=1){e.length===4?(this.x=e[0],this.y=e[1],this.z=e[2],this.w=e[3]):(this.x=e,this.y=t,this.z=s,this.w=i)}clone(){const e=this.constructor;return new e(this.x,this.y,this.z,this.w)}conjugate(e=this){return this.x=e.x*-1,this.y=e.y*-1,this.z=e.z*-1,this.w=e.w,this}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}equals(e){return this.x===e.x&&this.y===e.y&&this.z===e.z&&this.w===e.w}equalsApprox(e,t=1e-6){return Math.abs(this.x-e.x)<t&&Math.abs(this.y-e.y)<t&&Math.abs(this.z-e.z)<t&&Math.abs(this.w-e.w)<t}getAxisAngle(e){let t=Math.acos(this.w)*2;const s=Math.sin(t/2);return s!==0?(e.x=this.x/s,e.y=this.y/s,e.z=this.z/s,(e.x<0||e.y<0||e.z<0)&&(e.x*=-1,e.y*=-1,e.z*=-1,t*=-1)):(e.x=1,e.y=0,e.z=0),t*H.RAD_TO_DEG}getEulerAngles(e=new E){let t,s,i;const r=this.x,a=this.y,n=this.z,o=this.w,c=2*(o*a-r*n);return c<=-.99999?(t=2*Math.atan2(r,o),s=-Math.PI/2,i=0):c>=.99999?(t=2*Math.atan2(r,o),s=Math.PI/2,i=0):(t=Math.atan2(2*(o*r+a*n),1-2*(r*r+a*a)),s=Math.asin(c),i=Math.atan2(2*(o*n+r*a),1-2*(a*a+n*n))),e.set(t,s,i).mulScalar(H.RAD_TO_DEG)}invert(e=this){return this.conjugate(e).normalize()}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}lerp(e,t,s){const i=(1-s)*(e.dot(t)<0?-1:1);return this.x=e.x*i+t.x*s,this.y=e.y*i+t.y*s,this.z=e.z*i+t.z*s,this.w=e.w*i+t.w*s,this.normalize()}mul(e){const t=this.x,s=this.y,i=this.z,r=this.w,a=e.x,n=e.y,o=e.z,c=e.w;return this.x=r*a+t*c+s*o-i*n,this.y=r*n+s*c+i*a-t*o,this.z=r*o+i*c+t*n-s*a,this.w=r*c-t*a-s*n-i*o,this}

2mulScalar(e,t=this){return this.x=t.x*e,this.y=t.y*e,this.z=t.z*e,this.w=t.w*e,this}mul2(e,t){const s=e.x,i=e.y,r=e.z,a=e.w,n=t.x,o=t.y,c=t.z,h=t.w;return this.x=a*n+s*h+i*c-r*o,this.y=a*o+i*h+r*n-s*c,this.z=a*c+r*h+s*o-i*n,this.w=a*h-s*n-i*o-r*c,this}normalize(e=this){let t=e.length();return t===0?(this.x=this.y=this.z=0,this.w=1):(t=1/t,this.x=e.x*t,this.y=e.y*t,this.z=e.z*t,this.w=e.w*t),this}set(e,t,s,i){return this.x=e,this.y=t,this.z=s,this.w=i,this}setFromAxisAngle(e,t){t*=.5*H.DEG_TO_RAD;const s=Math.sin(t),i=Math.cos(t);return this.x=s*e.x,this.y=s*e.y,this.z=s*e.z,this.w=i,this}setFromEulerAngles(e,t,s){if(e instanceof E){const d=e;e=d.x,t=d.y,s=d.z}const i=.5*H.DEG_TO_RAD;e*=i,t*=i,s*=i;const r=Math.sin(e),a=Math.cos(e),n=Math.sin(t),o=Math.cos(t),c=Math.sin(s),h=Math.cos(s);return this.x=r*o*h-a*n*c,this.y=a*n*h+r*o*c,this.z=a*o*c-r*n*h,this.w=a*o*h+r*n*c,this}setFromMat4(e){const t=e.data;let s=t[0],i=t[1],r=t[2],a=t[4],n=t[5],o=t[6],c=t[8],h=t[9],d=t[10];s*(n*d-o*h)-i*(a*d-o*c)+r*(a*h-n*c)<0&&(s=-s,i=-i,r=-r);let f;return f=s*s+i*i+r*r,f===0?this.set(0,0,0,1):(f=1/Math.sqrt(f),s*=f,i*=f,r*=f,f=a*a+n*n+o*o,f===0?this.set(0,0,0,1):(f=1/Math.sqrt(f),a*=f,n*=f,o*=f,f=c*c+h*h+d*d,f===0?this.set(0,0,0,1):(f=1/Math.sqrt(f),c*=f,h*=f,d*=f,d<0?s>n?this.set(1+s-n-d,i+a,c+r,o-h):this.set(i+a,1-s+n-d,o+h,c-r):s<-n?this.set(c+r,o+h,1-s-n+d,i-a):this.set(o-h,c-r,i-a,1+s+n+d),this.mulScalar(1/this.length()))))}setFromDirections(e,t){const s=1+e.dot(t);return s<Number.EPSILON?Math.abs(e.x)>Math.abs(e.y)?(this.x=-e.z,this.y=0,this.z=e.x,this.w=0):(this.x=0,this.y=-e.z,this.z=e.y,this.w=0):(this.x=e.y*t.z-e.z*t.y,this.y=e.z*t.x-e.x*t.z,this.z=e.x*t.y-e.y*t.x,this.w=s),this.normalize()}slerp(e,t,s){const i=e.x,r=e.y,a=e.z,n=e.w;let o=t.x,c=t.y,h=t.z,d=t.w,u=n*d+i*o+r*c+a*h;if(u<0&&(d=-d,o=-o,c=-c,h=-h,u=-u),Math.abs(u)>=1)return this.w=n,this.x=i,this.y=r,this.z=a,this;const f=Math.acos(u),p=Math.sqrt(1-u*u);if(Math.abs(p)<.001)return this.w=n*.5+d*.5,this.x=i*.5+o*.5,this.y=r*.5+c*.5,this.z=a*.5+h*.5,this;const m=Math.sin((1-s)*f)/p,_=Math.sin(s*f)/p;return this.w=n*m+d*_,this.x=i*m+o*_,this.y=r*m+c*_,this.z=a*m+h*_,this}transformVector(e,t=new E){const s=e.x,i=e.y,r=e.z,a=this.x,n=this.y,o=this.z,c=this.w,h=c*s+n*r-o*i,d=c*i+o*s-a*r,u=c*r+a*i-n*s,f=-a*s-n*i-o*r;return t.x=h*c+f*-a+d*-o-u*-n,t.y=d*c+f*-n+u*-a-h*-o,t.z=u*c+f*-o+h*-n-d*-a,t}fromArray(e,t=0){return this.x=e[t]??this.x,this.y=e[t+1]??this.y,this.z=e[t+2]??this.z,this.w=e[t+3]??this.w,this}toString(){return`[${this.x}, ${this.y}, ${this.z}, ${this.w}]`}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}static IDENTITY=Object.freeze(new ae(0,0,0,1));static ZERO=Object.freeze(new ae(0,0,0,0))}const bn=new E,An=new E,_v=new E,gv=new E,yE=new E;class Le{center=new E;halfExtents=new E(.5,.5,.5);_min=new E;_max=new E;constructor(e,t){e&&this.center.copy(e),t&&this.halfExtents.copy(t)}add(e){const t=this.center,s=t.x,i=t.y,r=t.z,a=this.halfExtents,n=a.x,o=a.y,c=a.z;let h=s-n,d=s+n,u=i-o,f=i+o,p=r-c,m=r+c;const _=e.center,g=_.x,v=_.y,x=_.z,y=e.halfExtents,S=y.x,T=y.y,w=y.z,C=g-S,b=g+S,I=v-T,P=v+T,L=x-w,O=x+w;C<h&&(h=C),b>d&&(d=b),I<u&&(u=I),P>f&&(f=P),L<p&&(p=L),O>m&&(m=O),t.x=(h+d)*.5,t.y=(u+f)*.5,t.z=(p+m)*.5,a.x=(d-h)*.5,a.y=(f-u)*.5,a.z=(m-p)*.5}copy(e){this.center.copy(e.center),this.halfExtents.copy(e.halfExtents)}clone(){return new Le(this.center,this.halfExtents)}intersects(e){const t=this.getMax(),s=this.getMin(),i=e.getMax(),r=e.getMin();return s.x<=i.x&&t.x>=r.x&&s.y<=i.y&&t.y>=r.y&&s.z<=i.z&&t.z>=r.z}_intersectsRay(e,t){const s=bn.copy(this.getMin()).sub(e.origin),i=An.copy(this.getMax()).sub(e.origin),r=e.direction;r.x===0?(s.x=s.x<0?-Number.MAX_VALUE:Number.MAX_VALUE,i.x=i.x<0?-Number.MAX_VALUE:Number.MAX_VALUE):(s.x/=r.x,i.x/=r.x),r.y===0?(s.y=s.y<0?-Number.MAX_VALUE:Number.MAX_VALUE,i.y=i.y<0?-Number.MAX_VALUE:Number.MAX_VALUE):(s.y/=r.y,i.y/=r.y),r.z===0?(s.z=s.z<0?-Number.MAX_VALUE:Number.MAX_VALUE,i.z=i.z<0?-Number.MAX_VALUE:Number.MAX_VALUE):(s.z/=r.z,i.z/=r.z);const a=_v.set(Math.min(s.x,i.x),Math.min(s.y,i.y),Math.min(s.z,i.z)),n=gv.set(Math.max(s.x,i.x),Math.max(s.y,i.y),Math.max(s.z,i.z)),o=Math.min(Math.min(n.x,n.y),n.z),c=Math.max(Math.max(a.x,a.y),a.z),h=o>=c&&c>=0;return h&&t.copy(e.direction).mulScalar(c).add(e.origin),h}_fastIntersectsRay(e){const t=bn,s=An,i=_v,r=gv,a=yE,n=e.direction;return t.sub2(e.origin,this.center),r.set(Math.abs(t.x),Math.abs(t.y),Math.abs(t.z)),i.mul2(t,n),!(r.x>this.halfExtents.x&&i.x>=0||r.y>this.halfExtents.y&&i.y>=0||r.z>this.halfExtents.z&&i.z>=0||(a.set(Math.abs(n.x),Math.abs(n.y),Math.abs(n.z)),s.cross(n,t),s.set(Math.abs(s.x),Math.abs(s.y),Math.abs(s.z)),s.x>this.halfExtents.y*a.z+this.halfExtents.z*a.y)||s.y>this.halfExtents.x*a.z+this.halfExtents.z*a.x||s.z>this.halfExtents.x*a.y+this.halfExtents.y*a.x)}intersectsRay(e,t){return t?this._intersectsRay(e,t):this._fastIntersectsRay(e)}setMinMax(e,t){this.center.add2(t,e).mulScalar(.5),this.halfExtents.sub2(t,e).mulScalar(.5)}getMin(){return this._min.copy(this.center).sub(this.halfExtents)}getMax(){return this._max.copy(this.center).add(this.halfExtents)}containsPoint(e){const t=this.center,s=this.halfExtents;return!(e.x<t.x-s.x||e.x>t.x+s.x||e.y<t.y-s.y||e.y>t.y+s.y||e.z<t.z-s.z||e.z>t.z+s.z)}closestPoint(e,t=new E){const s=this.center,i=this.halfExtents;return t.set(Math.max(s.x-i.x,Math.min(e.x,s.x+i.x)),Math.max(s.y-i.y,Math.min(e.y,s.y+i.y)),Math.max(s.z-i.z,Math.min(e.z,s.z+i.z)))}setFromTransformedAabb(e,t,s=!1){const i=e.center,r=e.halfExtents,a=t.data;let n=a[0],o=a[4],c=a[8],h=a[1],d=a[5],u=a[9],f=a[2],p=a[6],m=a[10];if(s){let _=n*n+o*o+c*c;if(_>0){const g=1/Math.sqrt(_);n*=g,o*=g,c*=g}if(_=h*h+d*d+u*u,_>0){const g=1/Math.sqrt(_);h*=g,d*=g,u*=g}if(_=f*f+p*p+m*m,_>0){const g=1/Math.sqrt(_);f*=g,p*=g,m*=g}}this.center.set(a[12]+n*i.x+o*i.y+c*i.z,a[13]+h*i.x+d*i.y+u*i.z,a[14]+f*i.x+p*i.y+m*i.z),this.halfExtents.set(Math.abs(n)*r.x+Math.abs(o)*r.y+Math.abs(c)*r.z,Math.abs(h)*r.x+Math.abs(d)*r.y+Math.abs(u)*r.z,Math.abs(f)*r.x+Math.abs(p)*r.y+Math.abs(m)*r.z)}static computeMinMax(e,t,s,i=e.length/3){if(i>0){let r=e[0],a=e[1],n=e[2],o=r,c=a,h=n;const d=i*3;for(let u=3;u<d;u+=3){const f=e[u],p=e[u+1],m=e[u+2];f<r&&(r=f),p<a&&(a=p),m<n&&(n=m),f>o&&(o=f),p>c&&(c=p),m>h&&(h=m)}t.set(r,a,n),s.set(o,c,h)}}compute(e,t){Le.computeMinMax(e,bn,An,t),this.setMinMax(bn,An)}intersectsBoundingSphere(e){return this._distanceToBoundingSphereSq(e)<=e.radius*e.radiu

2s}_distanceToBoundingSphereSq(e){const t=this.getMin(),s=this.getMax();let i=0;const r=["x","y","z"];for(let a=0;a<3;++a){let n=0;const o=e.center[r[a]],c=t[r[a]],h=s[r[a]];let d=0;o<c&&(d=c-o,n+=d*d),o>h&&(d=o-h,n+=d*d),i+=n}return i}_expand(e,t){bn.add2(this.getMin(),e),An.add2(this.getMax(),t),this.setMinMax(bn,An)}}const fh=new E,xE=new E;class W_{center;radius;constructor(e=new E,t=.5){this.center=e,this.radius=t}containsPoint(e){const t=fh.sub2(e,this.center).lengthSq(),s=this.radius;return t<s*s}intersectsRay(e,t){const s=fh.copy(e.origin).sub(this.center),i=s.dot(xE.copy(e.direction).normalize()),r=s.dot(s)-this.radius*this.radius;if(r>0&&i>0)return!1;const a=i*i-r;if(a<0)return!1;const n=Math.abs(-i-Math.sqrt(a));return t&&t.copy(e.direction).mulScalar(n).add(e.origin),!0}intersectsBoundingSphere(e){fh.sub2(e.center,this.center);const t=e.radius+this.radius;return fh.lengthSq()<=t*t}}class Lx{normal=new E;distance;constructor(e=E.UP,t=0){this.normal.copy(e),this.distance=t}clone(){const e=this.constructor;return new e().copy(this)}copy(e){return this.normal.copy(e.normal),this.distance=e.distance,this}intersectsLine(e,t,s){const i=this.distance,r=this.normal.dot(e)+i,a=this.normal.dot(t)+i,n=r/(r-a),o=n>=0&&n<=1;return o&&s&&s.lerp(e,t,n),o}intersectsRay(e,t){const s=this.normal.dot(e.direction);if(s===0)return!1;const i=-(this.normal.dot(e.origin)+this.distance)/s;return i>=0&&t&&t.copy(e.direction).mulScalar(i).add(e.origin),i>=0}normalize(){const e=1/this.normal.length();return this.normal.mulScalar(e),this.distance*=e,this}set(e,t,s,i){return this.normal.set(e,t,s),this.distance=i,this}setFromPointNormal(e,t){return this.normal.copy(t),this.distance=-this.normal.dot(e),this}}class X_{planes=[];constructor(){for(let e=0;e<6;e++)this.planes[e]=new Lx}clone(){const e=this.constructor;return new e().copy(this)}copy(e){for(let t=0;t<6;t++)this.planes[t].copy(e.planes[t]);return this}setFromMat4(e){const t=e.data,s=t[0],i=t[1],r=t[2],a=t[3],n=t[4],o=t[5],c=t[6],h=t[7],d=t[8],u=t[9],f=t[10],p=t[11],m=t[12],_=t[13],g=t[14],v=t[15],x=this.planes;x[0].set(a-s,h-n,p-d,v-m).normalize(),x[1].set(a+s,h+n,p+d,v+m).normalize(),x[2].set(a+i,h+o,p+u,v+_).normalize(),x[3].set(a-i,h-o,p-u,v-_).normalize(),x[4].set(a-r,h-c,p-f,v-g).normalize(),x[5].set(a+r,h+c,p+f,v+g).normalize()}containsPoint(e){for(let t=0;t<6;t++){const{normal:s,distance:i}=this.planes[t];if(s.dot(e)+i<=0)return!1}return!0}add(e){const t=this.planes,s=e.planes;for(let i=0;i<6;i++)s[i].distance>t[i].distance&&t[i].copy(s[i]);return this}containsSphere(e){const{center:t,radius:s}=e;let i=0;for(let r=0;r<6;r++){const{normal:a,distance:n}=this.planes[r],o=a.dot(t)+n;if(o<=-s)return 0;o>s&&i++}return i===6?2:1}}class km{origin=new E;direction=E.FORWARD.clone();constructor(e,t){e&&this.origin.copy(e),t&&this.direction.copy(t)}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.set(e.origin,e.direction)}clone(){return new this.constructor(this.origin,this.direction)}}const Ft=0,ue=1,Iu=2,Y_=0,as=1,TE=2,Fx=4,wE=5,j_=6,q_=8,vi=0,CE=2,EE=3,bE=4,Ox=1,Si=4,ct=8,AE=16,PE=32,IE=64,$_=128,Po=256,Ys=0,Vd=1,DE=2,ME=3,Jl=1,ec=2,Gd=4,Yt=0,tc=1,Bx=2,RE=3,sc=0,LE=1,Fe=0,It=1,Ac=2,Pc=3,Ic=4,ia=5,FE=0,Hd=1,Wd=2,Um=3,OE=4,BE=5,NE=6,cr=7,zm=0,Ni=1,ra=2,kE=[1,2,4],K_=0,Z_=1,Du=2,Dc=3,Mu=4,Mc=5,Er=6,Re=7,Rc=8,Ru=9,Ho=10,Lc=11,Ge=12,Lu=13,mt=14,Ti=15,Oi=16,en=17,tn=18,Fu=19,us=20,Fc=21,Ou=22,Bu=23,Wo=24,Xo=25,Oc=26,Bc=27,Q_=28,J_=29,eg=30,Nu=31,ku=32,Uu=33,zu=34,Vu=35,Gu=36,js=37,Hu=38,tg=39,Wu=40,Xu=41,Yu=42,Nc=43,ju=44,sg=45,qu=46,Vi=47,$u=48,Wt=49,kc=50,Ku=51,Zu=52,Qu=53,Xd=54,Yd=55,jd=56,qd=61,$d=62,Kd=63,Ju=64,ig=65,rg=66,ag=67,Zd=68,ja=69,ef=70,tf=71,sf=72,rf=73,af=74,nf=75,fs=new Map([[K_,{name:"A8",size:1,ldr:!0}],[Zu,{name:"R8",size:1,ldr:!0}],[Z_,{name:"L8",size:1,ldr:!0}],[Du,{name:"LA8",size:2,ldr:!0}],[Qu,{name:"RG8",size:2,ldr:!0}],[Dc,{name:"RGB565",size:2,ldr:!0}],[Mu,{name:"RGBA5551",size:2,ldr:!0}],[Mc,{name:"RGBA4",size:2,ldr:!0}],[Er,{name:"RGB8",size:4,ldr:!0}],[Re,{name:"RGBA8",size:4,ldr:!0,srgbFormat:us}],[kc,{name:"R16F",size:2}],[Ku,{name:"RG16F",size:4}],[Lc,{name:"RGB16F",size:8}],[Ge,{name:"RGBA16F",size:8}],[Lu,{name:"RGB32F",size:16}],[mt,{name:"RGBA32F",size:16}],[Ti,{name:"R32F",size:4}],[ef,{name:"RG32F",size:8}],[tf,{name:"RGB9E5",size:4}],[sf,{name:"RG8S",size:2}],[rf,{name:"RGBA8S",size:4}],[af,{name:"RGB10A2",size:4}],[nf,{name:"RGB10A2U",size:4,isUint:!0}],[Oi,{name:"DEPTH",size:4}],[ja,{name:"DEPTH16",size:2}],[en,{name:"DEPTHSTENCIL",size:4}],[tn,{name:"111110F",size:4}],[Fu,{name:"SRGB8",size:4,ldr:!0,srgb:!0}],[us,{name:"SRGBA8",size:4,ldr:!0,srgb:!0}],[Nu,{name:"BGRA8",size:4,ldr:!0}],[Ju,{name:"SBGRA8",size:4,ldr:!0,srgb:!0}],[Rc,{name:"DXT1",blockSize:8,ldr:!0,srgbFormat:Xd}],[Ru,{name:"DXT3",blockSize:16,ldr:!0,srgbFormat:Yd}],[Ho,{name:"DXT5",blockSize:16,ldr:!0,srgbFormat:jd}],[Fc,{name:"ETC1",blockSize:8,ldr:!0}],[Ou,{name:"ETC2_RGB",blockSize:8,ldr:!0,srgbFormat:qd}],[Bu,{name:"ETC2_RGBA",blockSize:16,ldr:!0,srgbFormat:$d}],[Wo,{name:"PVRTC_2BPP_RGB_1",ldr:!0,blockSize:8}],[Xo,{name:"PVRTC_2BPP_RGBA_1",ldr:!0,blockSize:8}],[Oc,{name:"PVRTC_4BPP_RGB_1",ldr:!0,blockSize:8}],[Bc,{name:"PVRTC_4BPP_RGBA_1",ldr:!0,blockSize:8}],[Q_,{name:"ASTC_4x4",blockSize:16,ldr:!0,srgbFormat:Kd}],[J_,{name:"ATC_RGB",blockSize:8,ldr:!0}],[eg,{name:"ATC_RGBA",blockSize:16,ldr:!0}],[ig,{name:"BC6H_RGBF",blockSize:16}],[rg,{name:"BC6H_RGBUF",blockSize:16}],[ag,{name:"BC7_RGBA",blockSize:16,ldr:!0,srgbFormat:Zd}],[Xd,{name:"DXT1_SRGB",blockSize:8,ldr:!0,srgb:!0}],[Yd,{name:"DXT3_SRGBA",blockSize:16,ldr:!0,srgb:!0}],[jd,{name:"DXT5_SRGBA",blockSize:16,ldr:!0,srgb:!0}],[qd,{name:"ETC2_SRGB",blockSize:8,ldr:!0,srgb:!0}],[$d,{name:"ETC2_SRGBA",blockSize:16,ldr:!0,srgb:!0}],[Kd,{name:"ASTC_4x4_SRGB",blockSize:16,ldr:!0,srgb:!0}],[Zd,{name:"BC7_SRGBA",blockSize:16,ldr:!0,srgb:!0}],[ku,{name:"R8I",size:1,isInt:!0}],[zu,{name:"R16I",size:2,isInt:!0}],[Gu,{name:"R32I",size:4,isInt:!0}],[Hu,{name:"RG8I",size:2,isInt:!0}],[Wu,{name:"RG16I",size:4,isInt:!0}],[Yu,{name:"RG32I",size:8,isInt:!0}],[ju,{name:"RGBA8I",size:4,isInt:!0}],[qu,{name:"RGBA16I",size:8,isInt:!0}],[$u,{name:"RGBA32I",size:16,isInt:!0}],[Uu,{name:"R8U",size:1,isUint:!0}],[Vu,{name:"R16U",size:2,isUint:!0}],[js,{name:"R32U",size:4,isUint:!0}],[tg,{name:"RG8U",size:2,isUint:!0}],[Xu,{name:"RG16U",size:4,isUint:!0}],[Nc,{name:"RG32U",size:8,isUint:!0}],[sg,{name:"RGBA8U",size:4,isUint:!0}],[Vi,{name:"RGBA16U",size:8,isUint:!0}],[Wt,{name:"RGBA32U",size:16,isUint:!0}]]),Sd=l=>fs.get(l)?.blockSize!==void 0,Qd=l=>fs.get(l)?.srgb===!0,Qr=l=>{const e=fs.get(l);return e?.isInt===!0||e?.isUint===!0},UE={sampler:"sampler2D",returnType:"vec4"},zE={sampler:"usampler2D",returnType:"uvec4"},VE={sampler:"isampler2D",returnType:"ivec4"},GE={textureType:"texture_2d<f32>",returnType:"vec4f"},HE={textureType:"texture_2d<u32>",returnType:"vec4u"},WE={textureType:"texture_2d<i32>",returnType:"vec4i"},yd=l=>{const e=fs.get(l);return e?.isUint?zE:e?.isInt?VE:UE},ph=l=>{const e=fs.get(l);return e?.isUint?HE:e?.isInt?WE:GE},of=l=>fs.get(l)?.srgbFormat||l,XE=l=>{for(const[e,t]of fs)if(t.srgbFormat===l)return e;return l},YE=l=>{const e=fs.get(l);return!!(e?.ldr&&!e?.srgb)},ng=l=>{switch(l){case Ti:case ef:case Lu:case mt:return Float32Array;case Gu:case Yu:case $u:return Int32Array;case js:case Nc:case Wt:case tf:case af:case nf:return Uint32Array;case zu:case Wu:case qu:return Int16Array;

2case Vu:case Xu:case Vi:case Dc:case Mu:case Mc:case kc:case Ku:case Lc:case Ge:return Uint16Array;case ku:case Hu:case ju:case sf:case rf:return Int8Array;default:return Uint8Array}},lf=0,cf=1,Nx=2,og=3,qs=4,Tr=5,qa=6,Ie="POSITION",Cs="NORMAL",Gi="TANGENT",ki="BLENDWEIGHT",Bs="BLENDINDICES",ns="COLOR",vv="TEXCOORD",Zs="TEXCOORD0",pn="TEXCOORD1",Uc="TEXCOORD2",zc="TEXCOORD3",Vc="TEXCOORD4",Gc="TEXCOORD5",Hc="TEXCOORD6",Wc="TEXCOORD7",Vm="ATTR0",Jd="ATTR1",lg="ATTR2",cg="ATTR3",hg="ATTR4",jE="ATTR5",qE="ATTR6",$E="ATTR7",ic="ATTR8",rc="ATTR9",KE="ATTR10",dg="ATTR11",ug="ATTR12",ZE="ATTR13",fg="ATTR14",Io="ATTR15",QE=1,go=0,JE=2,eb=3,tb=5,qf=0,sb=1,Sv=2,Qs="default",wr="rgbm",eu="rgbe",ac="rgbp",nc="swizzleGGGR",kx="1d",ys="2d",hr="2d-array",dr="cube",tu="cube-array",vo="3d",ls=0,da=1,gi=2,aa=3,na=4,ib="none",Gm="cube",yv="equirect",rb="octahedral",ze="glsl",de="wgsl",ua=0,mr=1,fa=2,mn=3,Yo=4,Xc=5,je=6,hf=7,So=0,_r=1,me=2,sn=3,hs=4,Cr=5,$a=6,gr=7,Ka=8,oc=9,lc=10,cc=11,su=12,Do=13,Ss=14,ab=15,nb=16,df=17,ob=18,lb=19,cb=20,uf=21,ff=22,pg=23,Ux=24,hb=25,le=26,Mo=27,Ro=28,oa=29,Lo=30,pf=31,mf=32,Fo=33,_f=34,gf=35,Oo=36,vf=37,Sf=38,iu=39,mg=40,_g=41,db=42,ub=43,fb=44,pb=45,mb=46,_b=47,gb=48,vb=49,xv=["bool","int","float","vec2","vec3","vec4","ivec2","ivec3","ivec4","bvec2","bvec3","bvec4","mat2","mat3","mat4","sampler2D","samplerCube","","sampler2DShadow","samplerCubeShadow","sampler3D","","","","","sampler2DArray","uint","uvec2","uvec3","uvec4","","","","","","","","","","","","","isampler2D","usampler2D","isamplerCube","usamplerCube","isampler3D","usampler3D","isampler2DArray","usampler2DArray"],zx=[["bool"],["i32"],["f32"],["vec2f","vec2<f32>"],["vec3f","vec3<f32>"],["vec4f","vec4<f32>"],["vec2i","vec2<i32>"],["vec3i","vec3<i32>"],["vec4i","vec4<i32>"],["vec2<bool>"],["vec3<bool>"],["vec4<bool>"],["mat2x2f","mat2x2<f32>"],["mat3x3f","mat3x3<f32>"],["mat4x4f","mat4x4<f32>"],["texture_2d<f32>"],["texture_cube<f32>"],["array<f32>"],["texture_depth_2d"],["texture_depth_cube"],["texture_3d<f32>"],["array<vec2<f32>>"],["array<vec3<f32>>"],["array<vec4<f32>>"],["array<mat4x4<f32>>"],["texture_2d_array<f32>"],["u32"],["vec2u","vec2<u32>"],["vec3u","vec3<u32>"],["vec4u","vec4<u32>"],["array<i32>"],["array<u32>"],["array<bool>"],["array<vec2i>","array<vec2<i32>>"],["array<vec2u>","array<vec2<u32>>"],["array<vec2b>","array<vec2<bool>>"],["array<vec3i>","array<vec3<i32>>"],["array<vec3u>","array<vec3<u32>>"],["array<vec3b>","array<vec3<bool>>"],["array<vec4i>","array<vec4<i32>>"],["array<vec4u>","array<vec4<u32>>"],["array<vec4b>","array<vec4<bool>>"],["texture_2d<i32>"],["texture_2d<u32>"],["texture_cube<i32>"],["texture_cube<u32>"],["texture_3d<i32>"],["texture_3d<u32>"],["texture_2d_array<i32>"],["texture_2d_array<u32>"]],Vx=new Map;zx.forEach((l,e)=>{l.forEach(t=>Vx.set(t,e))});const xd="webgl2",Gx="webgpu",Tv="webgpu:bare",Td="null",rn=1,an=2,G=4,Sb="ldr",mh="ldr_srgb",yb="hdr",Hm=1,Hx=2,Wx=4,Xx=8,Yx=16,jx=32,qx=64,$x=128,xb=255,hc=0,Yc=1,Bo=2,Kx=["view","mesh","mesh_ub"],yf="default",gg="_unused_float_uniform",yo=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Uint16Array],Xl=[1,1,2,2,4,4,4,2],vg=[Uint8Array,Uint16Array,Uint32Array],Tb=[1,2,4],Zx=new Map([["float","f32"],["vec2","vec2f"],["vec3","vec3f"],["vec4","vec4f"],["int","i32"],["ivec2","vec2i"],["ivec3","vec3i"],["ivec4","vec4i"],["uint","u32"],["uvec2","vec2u"],["uvec3","vec3u"],["uvec4","vec4u"]]),Be={};Be[Ie]=0;Be[Cs]=1;Be[ki]=2;Be[Bs]=3;Be[ns]=4;Be[Zs]=5;Be[pn]=6;Be[Uc]=7;Be[zc]=8;Be[Vc]=9;Be[Gc]=10;Be[Hc]=11;Be[Wc]=12;Be[Gi]=13;Be[Vm]=0;Be[Jd]=1;Be[lg]=2;Be[cg]=3;Be[hg]=4;Be[jE]=5;Be[qE]=6;Be[$E]=7;Be[ic]=8;Be[rc]=9;Be[KE]=10;Be[dg]=11;Be[ug]=12;Be[ZE]=13;Be[fg]=14;Be[Io]=15;let wb=0;class xf{slot=-1;scopeId=null;constructor(e,t){this.name=e,this.visibility=t}}class At extends xf{}class q extends xf{format="";constructor(e,t,s=!1){super(e,t),this.readOnly=s}}class No extends xf{constructor(e,t,s=ys,i=ls,r=!0,a=null){super(e,t),this.textureDimension=s,this.sampleType=i,this.hasSampler=r,this.samplerName=a??`${e}_sampler`}}class wd extends xf{constructor(e,t=Re,s=ys,i=!0,r=!1){super(e,G),this.format=t,this.textureDimension=s,this.write=i,this.read=r}}class Ze{uniformBufferFormats=[];textureFormats=[];

2storageTextureFormats=[];storageBufferFormats=[];constructor(e,t){this.id=wb++;let s=0;t.forEach(r=>{r.slot=s++,r instanceof No&&r.hasSampler&&s++,r instanceof At?this.uniformBufferFormats.push(r):r instanceof No?this.textureFormats.push(r):r instanceof wd?this.storageTextureFormats.push(r):r instanceof q&&this.storageBufferFormats.push(r)}),this.device=e;const i=e.scope;this.bufferFormatsMap=new Map,this.uniformBufferFormats.forEach((r,a)=>this.bufferFormatsMap.set(r.name,a)),this.textureFormatsMap=new Map,this.textureFormats.forEach((r,a)=>{this.textureFormatsMap.set(r.name,a),r.scopeId=i.resolve(r.name)}),this.storageTextureFormatsMap=new Map,this.storageTextureFormats.forEach((r,a)=>{this.storageTextureFormatsMap.set(r.name,a),r.scopeId=i.resolve(r.name)}),this.storageBufferFormatsMap=new Map,this.storageBufferFormats.forEach((r,a)=>{this.storageBufferFormatsMap.set(r.name,a),r.scopeId=i.resolve(r.name)}),this.impl=e.createBindGroupFormatImpl(this)}destroy(){this.impl.destroy()}getTexture(e){const t=this.textureFormatsMap.get(e);return t!==void 0?this.textureFormats[t]:null}getStorageTexture(e){const t=this.storageTextureFormatsMap.get(e);return t!==void 0?this.storageTextureFormats[t]:null}loseContext(){}}class Jt{_cache=new Map;get(e,t){return this._cache.has(e)||(this._cache.set(e,t()),e.on("destroy",()=>{this.remove(e)}),e.on("devicelost",()=>{this._cache.get(e)?.loseContext?.(e)})),this._cache.get(e)}remove(e){this._cache.get(e)?.destroy?.(e),this._cache.delete(e)}}class Xt{static calcLevelDimension(e,t){return Math.max(e>>t,1)}static calcMipLevelsCount(e,t,s=1){return 1+Math.floor(Math.log2(Math.max(e,t,s)))}static calcLevelGpuSize(e,t,s,i){const r=fs.get(i),a=fs.get(i)?.size??0;if(a>0)return e*t*s*a;const n=r.blockSize??0;let o=Math.floor((e+3)/4);const c=Math.floor((t+3)/4),h=Math.floor((s+3)/4);return(i===Wo||i===Xo)&&(o=Math.max(Math.floor(o/2),1)),o*c*h*n}static calcGpuSize(e,t,s,i,r,a){let n=0;for(;n+=Xt.calcLevelGpuSize(e,t,s,i),!(!r||e===1&&t===1&&s===1);)e=Math.max(e>>1,1),t=Math.max(t>>1,1),s=Math.max(s>>1,1);return n*(a?6:1)}static calcTextureSize(e,t,s=1){let i=Math.ceil(Math.sqrt(e));return s>1&&(i=H.roundUp(i,s)),t.set(i,Math.ceil(e/i))}}class _n{map=new Map;id=0;get(e){let t=this.map.get(e);return t===void 0&&(t=this.id++,this.map.set(e,t)),t}}const Cb=new _n;class dc{texture;baseMipLevel;mipLevelCount;baseArrayLayer;arrayLayerCount;key;constructor(e,t=0,s=1,i=0,r=1){this.texture=e,this.baseMipLevel=t,this.mipLevelCount=s,this.baseArrayLayer=i,this.arrayLayerCount=r,this.key=Cb.get(`${t}:${s}:${i}:${r}`)}}let Eb=0;class ce{static createDataTexture2D(e,t,s,i,r,a){return new ce(e,{name:t,width:s,height:i,format:r,mipmaps:!1,minFilter:Fe,magFilter:Fe,addressU:ue,addressV:ue,levels:a})}name;_gpuSize=0;releaseSourceAfterUpload=!1;id=Eb++;_invalid=!1;_lockedLevel=-1;_lockedMode=qf;renderVersionDirty=0;_storage=!1;_numLevels=0;_numLevelsRequested;constructor(e,t={}){this.device=e,this.name=t.name??"",this._width=Math.floor(t.width??4),this._height=Math.floor(t.height??4),this._format=t.format??Re,this._compressed=Sd(this._format),this._integerFormat=Qr(this._format),this._integerFormat&&(t.minFilter=Fe,t.magFilter=Fe),this._volume=t.volume??!1,this._depth=Math.floor(t.depth??1),this._arrayLength=Math.floor(t.arrayLength??0),this._storage=t.storage??!1,this._cubemap=t.cubemap??!1,this._flipY=t.flipY??!1,this._premultiplyAlpha=t.premultiplyAlpha??!1,this._mipmaps=t.mipmaps??!0,this._numLevelsRequested=t.numLevels,t.numLevels!==void 0&&(this._numLevels=t.numLevels),this._updateNumLevels(),this._minFilter=t.minFilter??ia,this._magFilter=t.magFilter??It,this._anisotropy=t.anisotropy??1,this._addressU=t.addressU??Ft,this._addressV=t.addressV??Ft,this._addressW=t.addressW??Ft,this._compareOnRead=t.compareOnRead??!1,this._compareFunc=t.compareFunc??Hd,this._type=t.type??Qs,this.projection=ib,this._cubemap?this.projection=Gm:t.projection&&t.projection!==Gm&&(this.projection=t.projection),this._levels=t.levels;const s=!!t.levels;this._levels||this._clearLevels(),this.recreateImpl(s)}destroy(){const e=this.device;e&&(e.onTextureDestroyed(this),this.impl.destroy(e),this.adjustVramSizeTracking(e._vram,-this._gpuSize),this.releaseSourceAfterUpload&&this.releaseImageSources(),this._levels=null,this.device=null)}releaseImageSources(){if(this.releaseSourceAfterUpload=!1,!(typeof ImageBitmap>"u"||!this._levels))for(let e=0;e<this._levels.length;e++){const t=this._levels[e];if(t instanceof ImageBitmap)t.close(),this._levels[e]=null;else if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]instanceof ImageBitmap&&(t[s].close(),t[s]=null)}}setReleaseSourceAfterUpload(){this.releaseSourceAfterUpload=!0,!this._needsUpload&&!this._needsMipmapsUpload&&this.releaseImageSources()}recreateImpl(e=!0){const{device:t}=this;this.impl?.destroy(t),this.impl=null,this.impl=t.createTextureImpl(this),this.dirtyAll(),e&&this.upload()}_clearLevels(){this._levels=this._cubemap?[[null,null,null,null,null,null]]:[null]}resize(e,t,s=1){if(this.width!==e||this.height!==t||this.depth!==s){const i=this.device;this.adjustVramSizeTracking(i._vram,-this._gpuSize),this._gpuSize=0,this.impl.destroy(i),this._clearLevels(),this._width=Math.floor(e),this._height=Math.floor(t),this._depth=Math.floor(s),this._updateNumLevels(),this.impl=i.createTextureImpl(this),this.dirtyAll()}}loseContext(){this.impl.loseContext(),this.dirtyAll()}adjustVramSizeTracking(e,t){e.tex+=t}propertyChanged(e){this.impl.propertyChanged(e),this.renderVersionDirty=this.device.renderVersion}_updateNumLevels(){const e=this.mipmaps?Xt.calcMipLevelsCount(this.width,this.height):1,t=this._numLevelsRequested;this._numLevels=Math.min(t??e,e),this._mipmaps=this._numLevels>1}get lockedMode(){return this._lockedMode}set minFilter(e){this._minFilter!==e&&(Qr(this._format)||(this._minFilter=e,this.propertyChanged(Hm)))}get minFilter(){return this._minFilter}set magFilter(e){this._magFilter!==e&&(Qr(this._format)||(this._magFilter=e,this.propertyChanged(Hx)))}get magFilter(){return this._magFilter}set addressU(e){this._addressU!==e&&(this._addressU=e,this.propertyChanged(Wx))}get addressU(){return this._addressU}set addressV(e){this._addressV!==e&&(this._addressV=e,this.propertyChanged(Xx))}get addressV(){return this._addressV}set addressW(e){this._volume&&e!==this._addressW&&(this._addressW=e,this.propertyChanged(Yx))}get addressW(){return this._addressW}set compareOnRead(e){this._compareOnRead!==e&&(this._compareOnRead=e,this.propertyChanged(jx))}get compareOnRead(){return this._compareOnRead}set compareFunc(e){this._compareFunc!==e&&(this._compareFunc=e,this.propertyChanged(qx))}get compareFunc(){return this._compareFunc}set anisotropy(e){this._anisotropy!==e&&(this._anisotropy=e,this.propertyChanged($x))}get anisotropy(){return this._anisotropy}set mipmaps(e){if(this._mipmaps!==e&&!this.device.isWebGPU){if(!Qr(this._format)){const t=this._mipmaps,s=this._numLevels;this._mipmaps=e,this._updateNumLevels(),this.array&&this._numLevels!==s?this.recreateImpl():this._mipmaps!==t&&(this.propertyChanged(Hm),this._mipmaps?(this._needsMipmapsUpload=!0,this.device?.texturesToUpload?.add(this)):this._needsMipmapsUpload=!1)}}}get mipmaps(){return this._mipmaps}get numLevels(){return this._numLevels}get storage(){return this._storage}get width(){return this._width}get height(){return this._height}get depth(){return this._depth}get format(){return this._format}get cubemap(){return this._cubemap}get gpuSize(){const e=this.pot&&this._mipmaps&&!(this._compressed&&this._levels.length===1);return Xt.calcGpuSize(this._width,this._height,this._depth,this._format,e,this._cubemap)}get array(){return this._arrayLength>0}get arrayLength(){return this._arrayLength}get volume(){return this._volume}set type(e){this._type!==e&&(this._type=e,this.device._shadersDirty=!0)}get type(){return this._type}set srgb(e){const t=Qd(this.format);if(e!==t)if(e){const s=of(this.format);this._format!==s&&(this._format=s,this.recreateImpl(),this.device._shadersDirty=!0)}else{const s=XE(this.format);this._format!==s&&(this._format=s,this.recreateImpl(),this.device._shadersDirty=!0)}}get srgb(){return Qd(this.format)}set flipY(e){this._flipY!==e&&(this._flipY=e,this.markForUpload())}get flipY(){return this._flipY}set premultiplyAlpha(e){this._premultiplyAlpha!==e&&(this._premultiplyAlpha=e,this.markForUpload())}get premultiplyAlpha(){return this._premultiplyAlpha}get pot(){return H.powerOfTwo(this._width)&&H.powerOfTwo(this._height)}get encoding(){switch(this.type){case wr:return"rgbm";case eu:return"rgbe";case ac:return"rgbp"}return YE(this.format)?"srgb":"linear"}dirtyAll(){this._levelsUpdated=this._cubemap?[[!0,!0,!0,!0,!0,!0]]:[!0],this.markForUpload(),this._needsMipmapsUpload=this._mipmaps,this._mipmapsUploaded=!1,this.propertyChanged(xb)}lock(e={}){e.level??(e.level=0),e.face??(e.face=0),e.mode??(e.mode=Sv),this._lockedMode=e.mode,this._lockedLevel=e.level;const t=this.cubemap?this._levels[e.face]:this._levels;if(!t[e.level]){const s=Math.max(1,this._width>>e.level),i=Math.max(1,this._height>>e.level),r=Math.max(1,this._depth>

2>e.level),a=new ArrayBuffer(Xt.calcLevelGpuSize(s,i,r,this._format));t[e.level]=new(ng(this._format))(a)}return t[e.level]}setSource(e,t=0){if(this.device._isHTMLElementInterface(e)&&(!this.device.supportsHtmlTextures||this._cubemap||this._volume))return;let s=!1,i,r;if(this._cubemap){if(e[0]){i=e[0].width||0,r=e[0].height||0;for(let a=0;a<6;a++){const n=e[a];if(!n||n.width!==i||n.height!==r||!this.device._isBrowserInterface(n)){s=!0;break}}}else s=!0;if(!s)for(let a=0;a<6;a++)this._levels[t][a]!==e[a]&&(this._levelsUpdated[t][a]=!0)}else if(this.device._isBrowserInterface(e)||(s=!0),!s)if(e!==this._levels[t]&&(this._levelsUpdated[t]=!0),e instanceof HTMLVideoElement)i=e.videoWidth,r=e.videoHeight;else if(this.device._isHTMLElementInterface(e)){const a=e.getBoundingClientRect();i=Math.floor(a.width)||1,r=Math.floor(a.height)||1}else i=e.width,r=e.height;if(s)if(this._width=4,this._height=4,this._cubemap)for(let a=0;a<6;a++)this._levels[t][a]=null,this._levelsUpdated[t][a]=!0;else this._levels[t]=null,this._levelsUpdated[t]=!0;else t===0&&(this._width=i,this._height=r),this._levels[t]=e;(this._invalid!==s||!s)&&(this._invalid=s,this.upload())}getSource(e=0){return this._levels[e]}unlock(){this._lockedMode,this._lockedMode===Sv&&this.upload(),this._lockedLevel=-1,this._lockedMode=qf}markForUpload(){this._needsUpload=!0,this.device?.texturesToUpload?.add(this)}upload(){this.markForUpload(),this._needsMipmapsUpload=this._mipmaps,this.impl.uploadImmediate?.(this.device,this)}read(e,t,s,i,r={}){return this.impl.read?.(e,t,s,i,r)}write(e,t,s,i,r){return this.impl.write?.(e,t,s,i,r)}getView(e=0,t=1,s=0,i=1){return new dc(this,e,t,s,i)}}const bb={white:[255,255,255,255],gray:[128,128,128,255],black:[0,0,0,255],normal:[128,128,255,255],pink:[255,128,255,255]};class Ab{map=new Map;destroy(){this.map.forEach(e=>{e.destroy()})}}const Pb=new Jt,Za=(l,e)=>{const t=Pb.get(l,()=>new Ab);if(!t.map.has(e)){const s=new ce(l,{name:`built-in-texture-${e}`,width:1,height:1,format:Re}),i=s.lock(),r=bb[e];i.set(r),s.unlock(),t.map.set(e,s)}return t.map.get(e)};let Ib=0;class Sg{bindGroup;offsets=[]}class jo{renderVersionUpdated=-1;uniformBuffers;uniformBufferOffsets=[];constructor(e,t,s){this.id=Ib++,this.device=e,this.format=t,this.dirty=!0,this.impl=e.createBindGroupImpl(this),this.textures=[],this.storageTextures=[],this.storageBuffers=[],this.uniformBuffers=[],this.defaultUniformBuffer=s,s&&this.setUniformBuffer(yf,s)}destroy(){this.impl.destroy(),this.impl=null,this.format=null,this.defaultUniformBuffer=null}setUniformBuffer(e,t){const s=this.format.bufferFormatsMap.get(e);this.uniformBuffers[s]!==t&&(this.uniformBuffers[s]=t,this.dirty=!0)}setStorageBuffer(e,t){const s=this.format.storageBufferFormatsMap.get(e);this.storageBuffers[s]!==t&&(this.storageBuffers[s]=t,this.dirty=!0)}setTexture(e,t){const s=this.format.textureFormatsMap.get(e),i=t instanceof dc?t.texture:t;this.textures[s]!==t?(this.textures[s]=t,this.dirty=!0):this.renderVersionUpdated<i.renderVersionDirty&&(this.dirty=!0)}setStorageTexture(e,t){const s=this.format.storageTextureFormatsMap.get(e),i=t instanceof dc?t.texture:t;this.storageTextures[s]!==t?(this.storageTextures[s]=t,this.dirty=!0):this.renderVersionUpdated<i.renderVersionDirty&&(this.dirty=!0)}updateUniformBuffers(){for(let e=0;e<this.uniformBuffers.length;e++)this.uniformBuffers[e].update()}update(){const{textureFormats:e,storageTextureFormats:t,storageBufferFormats:s}=this.format;for(let i=0;i<e.length;i++){const r=e[i];let a=r.scopeId.value;a||(r.name==="uSceneDepthMap"&&(a=Za(this.device,"white")),r.name==="uSceneColorMap"&&(a=Za(this.device,"pink")),a||(a=Za(this.device,"pink"))),this.setTexture(r.name,a)}for(let i=0;i<t.length;i++){const r=t[i],a=r.scopeId.value;this.setStorageTexture(r.name,a)}for(let i=0;i<s.length;i++){const r=s[i],a=r.scopeId.value;this.setStorageBuffer(r.name,a)}this.uniformBufferOffsets.length=this.uniformBuffers.length;for(let i=0;i<this.uniformBuffers.length;i++){const r=this.uniformBuffers[i];this.uniformBufferOffsets[i]=r.offset,this.renderVersionUpdated<r.renderVersionDirty&&(this.dirty=!0)}this.dirty&&(this.dirty=!1,this.renderVersionUpdated=this.device.renderVersion,this.impl.update(this))}}const it={set(l,e,t,s=1){return l&~(s<<t)|e<<t},get(l,e,t=1){return l>>e&t},all(l,e,t=1){const s=t<<e;return(l&s)===s},any(l,e,t=1){return(l&t<<e)!==0}},_h=7,Nr=15,wv=0,Cv=3,Ev=7,bv=11,Av=14,Pv=18,Wm=22,Iv=23,Dv=24,Mv=25,Rv=26,Db=15,Mb=Wm;class xt{target0=0;constructor(e=!1,t=vi,s=as,i=Y_,r,a,n,o=!0,c=!0,h=!0,d=!0){this.setColorBlend(t,s,i),this.setAlphaBlend(r??t,a??s,n??i),this.setColorWrite(o,c,h,d),this.blend=e}set blend(e){this.target0=it.set(this.target0,e?1:0,Rv)}get blend(){return it.all(this.target0,Rv)}setColorBlend(e,t,s){this.target0=it.set(this.target0,e,wv,_h),this.target0=it.set(this.target0,t,Cv,Nr),this.target0=it.set(this.target0,s,Ev,Nr)}setAlphaBlend(e,t,s){this.target0=it.set(this.target0,e,bv,_h),this.target0=it.set(this.target0,t,Av,Nr),this.target0=it.set(this.target0,s,Pv,Nr)}setColorWrite(e,t,s,i){this.redWrite=e,this.greenWrite=t,this.blueWrite=s,this.alphaWrite=i}get colorOp(){return it.get(this.target0,wv,_h)}get colorSrcFactor(){return it.get(this.target0,Cv,Nr)}get colorDstFactor(){return it.get(this.target0,Ev,Nr)}get alphaOp(){return it.get(this.target0,bv,_h)}get alphaSrcFactor(){return it.get(this.target0,Av,Nr)}get alphaDstFactor(){return it.get(this.target0,Pv,Nr)}set redWrite(e){this.target0=it.set(this.target0,e?1:0,Wm)}get redWrite(){return it.all(this.target0,Wm)}set greenWrite(e){this.target0=it.set(this.target0,e?1:0,Iv)}get greenWrite(){return it.all(this.target0,Iv)}set blueWrite(e){this.target0=it.set(this.target0,e?1:0,Dv)}get blueWrite(){return it.all(this.target0,Dv)}set alphaWrite(e){this.target0=it.set(this.target0,e?1:0,Mv)}get alphaWrite(){return it.all(this.target0,Mv)}

2get allWrite(){return it.get(this.target0,Mb,Db)}copy(e){return this.target0=e.target0,this}clone(){return new this.constructor().copy(this)}get key(){return this.target0}equals(e){return this.target0===e.target0}static NOBLEND=Object.freeze(new xt);static NOWRITE=Object.freeze(new xt(void 0,void 0,void 0,void 0,void 0,void 0,void 0,!1,!1,!1,!1));static ALPHABLEND=Object.freeze(new xt(!0,vi,j_,q_));static ADDBLEND=Object.freeze(new xt(!0,vi,as,as))}const Rb=new _n,Lv=7,Fv=0,Ov=3;class ds{data=0;_depthBias=0;_depthBiasSlope=0;key=0;constructor(e=Um,t=!0){this.func=e,this.write=t}set test(e){this.func=e?Um:cr,this.updateKey()}get test(){return this.func!==cr}set write(e){this.data=it.set(this.data,e?1:0,Ov),this.updateKey()}get write(){return it.all(this.data,Ov)}set func(e){this.data=it.set(this.data,e,Fv,Lv),this.updateKey()}get func(){return it.get(this.data,Fv,Lv)}set depthBias(e){this._depthBias=e,this.updateKey()}get depthBias(){return this._depthBias}set depthBiasSlope(e){this._depthBiasSlope=e,this.updateKey()}get depthBiasSlope(){return this._depthBiasSlope}copy(e){return this.data=e.data,this._depthBias=e._depthBias,this._depthBiasSlope=e._depthBiasSlope,this.key=e.key,this}clone(){return new this.constructor().copy(this)}updateKey(){const{data:e,_depthBias:t,_depthBiasSlope:s}=this,i=`${e}-${t}-${s}`;this.key=Rb.get(i)}equals(e){return this.key===e.key}static DEFAULT=Object.freeze(new ds);static NODEPTH=Object.freeze(new ds(cr,!1));static WRITEDEPTH=Object.freeze(new ds(cr,!0))}let Lb=0;class la{constructor(e,t,s,i=Ys,r,a){this.device=e,this.format=t,this.numIndices=s,this.usage=i,this.id=Lb++,this.impl=e.createIndexBufferImpl(this,a);const n=Tb[t];this.bytesPerIndex=n,this.numBytes=this.numIndices*n,r?this.setData(r):this.storage=new ArrayBuffer(this.numBytes),this.adjustVramSizeTracking(e._vram,this.numBytes),this.device.buffers.add(this)}destroy(){const e=this.device;e.buffers.delete(this),this.device.indexBuffer===this&&(this.device.indexBuffer=null),this.impl.initialized&&(this.impl.destroy(e),this.adjustVramSizeTracking(e._vram,-this.storage.byteLength))}adjustVramSizeTracking(e,t){e.ib+=t}loseContext(){this.impl.loseContext()}restoreContext(){this.unlock()}getFormat(){return this.format}getNumIndices(){return this.numIndices}lock(){return this.storage}unlock(){this.impl.unlock(this)}setData(e){return e.byteLength!==this.numBytes?!1:(this.storage=e,this.unlock(),!0)}_lockTypedArray(){const e=this.lock();return this.format===ra?new Uint32Array(e):this.format===Ni?new Uint16Array(e):new Uint8Array(e)}writeData(e,t){const s=this._lockTypedArray();if(e.length>t)if(ArrayBuffer.isView(e))e=e.subarray(0,t),s.set(e);else for(let i=0;i<t;i++)s[i]=e[i];else s.set(e);this.unlock()}readData(e){const t=this._lockTypedArray(),s=this.numIndices;if(ArrayBuffer.isView(e))e.set(t);else{e.length=0;for(let i=0;i<s;i++)e[i]=t[i]}return s}}class Qx{globalId=0;revision=0;equals(e){return this.globalId===e.globalId&&this.revision===e.revision}copy(e){this.globalId=e.globalId,this.revision=e.revision}reset(){this.globalId=0,this.revision=0}}let Bv=0;class Fb{constructor(){Bv++,this.version=new Qx,this.version.globalId=Bv}increment(){this.version.revision++}}class Ob{constructor(e){this.name=e,this.value=null,this.versionObject=new Fb}toJSON(e){}setValue(e){this.value=e,this.versionObject.increment()}getValue(){return this.value}}class Bb{constructor(e){this.name=e,this.variables=new Map}resolve(e){return this.variables.has(e)||this.variables.set(e,new Ob(e)),this.variables.get(e)}removeValue(e){for(const t of this.variables.values())t.value===e&&(t.value=null)}}let Nb=0;class Hi{usage=Ys;constructor(e,t,s,i){this.usage=i?.usage??Ys,this.device=e,this.format=t,this.numVertices=s,this.id=Nb++,this.impl=e.createVertexBufferImpl(this,t,i),this.numBytes=t.verticesByteSize?t.verticesByteSize:t.size*s,this.adjustVramSizeTracking(e._vram,this.numBytes);const r=i?.data;r?this.setData(r):this.storage=new ArrayBuffer(this.numBytes),this.device.buffers.add(this)}destroy(){const e=this.device;e.buffers.delete(this),this.impl.initialized&&(this.impl.destroy(e),this.adjustVramSizeTracking(e._vram,-this.storage.byteLength))}adjustVramSizeTracking(e,t){e.vb+=t}loseContext(){this.impl.loseContext()}restoreContext(){this.unlock()}getFormat(){return this.format}getUsage(){return this.usage}getNumVertices(){return this.numVertices}lock(){return this.storage}unlock(){this.impl.unlock(this)}setData(e){return e.byteLength!==this.numBytes?!1:(this.storage=e,this.unlock(),!0)}}function Xs(l){if(l==null)return 0;let e=0;for(let t=0,s=l.length;t<s;t++)e=(e<<5)-e+l.charCodeAt(t),e|=0;return e}function Tf(l){let t=2166136261;for(let s=0;s<l.length;s++)t^=l[s],t*=16777619;return t>>>0}const kb=new _n,Ub=[2,4,8,12,16],zb=new Jt;class Us{constructor(e,t,s){this.device=e,this._elements=[],this.hasUv0=!1,this.hasUv1=!1,this.hasColor=!1,this.hasTangents=!1,this.verticesByteSize=0,this.vertexCount=s,this.interleaved=s===void 0,this.instancing=!1,this.size=t.reduce((a,n)=>a+Math.ceil(n.components*Xl[n.type]/4)*4,0);let i=0,r;for(let a=0,n=t.length;a<n;a++){const o=t[a];

2r=o.components*Xl[o.type],s&&(i=H.roundUp(i,r));const c=o.asInt??!1,h=c?!1:o.normalize??!1,d={name:o.semantic,offset:s?i:o.hasOwnProperty("offset")?o.offset:i,stride:s?r:o.hasOwnProperty("stride")?o.stride:this.size,dataType:o.type,numComponents:o.components,normalize:h,size:r,asInt:c};this._elements.push(d),s?i+=r*s:i+=Math.ceil(r/4)*4,o.semantic===Zs?this.hasUv0=!0:o.semantic===pn?this.hasUv1=!0:o.semantic===ns?this.hasColor=!0:o.semantic===Gi&&(this.hasTangents=!0)}s&&(this.verticesByteSize=i),this._evaluateHash()}get elements(){return this._elements}static getDefaultInstancingFormat(e){return zb.get(e,()=>new Us(e,[{semantic:dg,components:4,type:je},{semantic:ug,components:4,type:je},{semantic:fg,components:4,type:je},{semantic:Io,components:4,type:je}]))}static isElementValid(e,t){const s=t.components*Xl[t.type];return!(e.isWebGPU&&!Ub.includes(s))}update(){this._evaluateHash()}_evaluateHash(){const e=[],t=[],s=this._elements.length;for(let r=0;r<s;r++){const{name:a,dataType:n,numComponents:o,normalize:c,offset:h,stride:d,size:u,asInt:f}=this._elements[r],p=a+n+o+c+f;e.push(p);const m=p+h+d+u;t.push(m)}e.sort();const i=e.join();this.batchingHash=Xs(i),this.shaderProcessingHashString=i,this.renderingHashString=t.join("_"),this.renderingHash=kb.get(this.renderingHashString)}}const Vb=new _n;class $s{_func;_ref;_fail;_zfail;_zpass;_readMask;_writeMask;_dirty=!0;_key;set func(e){this._func=e,this._dirty=!0}get func(){return this._func}set ref(e){this._ref=e,this._dirty=!0}get ref(){return this._ref}set fail(e){this._fail=e,this._dirty=!0}get fail(){return this._fail}set zfail(e){this._zfail=e,this._dirty=!0}get zfail(){return this._zfail}set zpass(e){this._zpass=e,this._dirty=!0}get zpass(){return this._zpass}set readMask(e){this._readMask=e,this._dirty=!0}get readMask(){return this._readMask}set writeMask(e){this._writeMask=e,this._dirty=!0}get writeMask(){return this._writeMask}constructor(e={}){this._func=e.func??cr,this._ref=e.ref??0,this._readMask=e.readMask??255,this._writeMask=e.writeMask??255,this._fail=e.fail??go,this._zfail=e.zfail??go,this._zpass=e.zpass??go,this._evalKey()}_evalKey(){const{_func:e,_ref:t,_fail:s,_zfail:i,_zpass:r,_readMask:a,_writeMask:n}=this,o=`${e},${t},${s},${i},${r},${a},${n}`;this._key=Vb.get(o),this._dirty=!1}get key(){return this._dirty&&this._evalKey(),this._key}copy(e){return this._func=e._func,this._ref=e._ref,this._readMask=e._readMask,this._writeMask=e._writeMask,this._fail=e._fail,this._zfail=e._zfail,this._zpass=e._zpass,this._dirty=e._dirty,this._key=e._key,this}clone(){return new this.constructor().copy(this)}static DEFAULT=Object.freeze(new $s)}let Gb=0;class Se{id=Gb++;constructor(e,t,s=0,i=!0){this.device=e,this.byteSize=t,this.bufferUsage=s;const r=i?$_|s:s;this.impl=e.createBufferImpl(r),this.impl.allocate(e,t),e.buffers.add(this),this.adjustVramSizeTracking(e._vram,this.byteSize)}destroy(){const e=this.device;e.buffers.delete(this),this.impl.destroy(e),this.adjustVramSizeTracking(e._vram,-this.byteSize)}loseContext(){this.impl.loseContext()}restoreContext(){this.impl.allocate(this.device,this.byteSize)}adjustVramSizeTracking(e,t){e.sb+=t}read(e=0,t=this.byteSize,s=null,i=!1){return this.impl.read(this.device,e,t,s,i)}write(e=0,t,s=0,i){this.impl.write(this.device,e,t,s,i)}clear(e=0,t=this.byteSize){this.impl.clear(this.device,e,t)}copy(e,t=0,s=0,i=e.byteSize-t){this.device.getCommandEncoder().copyBufferToBuffer(e.impl.buffer,t,this.impl.buffer,s,i)}}class Je extends ge{canvas;backBuffer=null;backBufferSize=new j;backBufferFormat;backBufferAntialias=!1;isWebGPU=!1;isWebGL2=!1;isNull=!1;isHdr=!1;scope;maxIndirectDrawCount=1024;maxIndirectDispatchCount=256;maxAnisotropy;maxCubeMapSize;maxTextureSize;maxVolumeSize;maxColorAttachments=1;precision;samples;maxSamples=1;supportsStencil;supportsMultiDraw=!0;supportsCompute=!1;supportsStorageTextureRead=!1;supportsSubgroups=!1;supportsSubgroupUniformity=!1;supportsSubgroupId=!1;supportsLinearIndexing=!1;supportsPointerCompositeAccess=!1;supportsPacked4x8IntegerDotProduct=!1;supportsTextureAndSamplerLet=!1;supportsUnrestrictedPointerParameters=!1;maxSubgroupSize=0;minSubgroupSize=0;renderTarget=null;shaders=[];textures=new Set;texturesToUpload=new Set;targets=new Set;renderVersion=0;renderPassIndex;insideRenderPass=!1;supportsUniformBuffers=!1;supportsClipDistances=!1;supportsTextureFormatTier1=!1;supportsTextureFormatTier2=!1;supportsPrimitiveIndex=!1;supportsShaderF16=!1;supportsHtmlTextures=!1;

2textureFloatRenderable;textureHalfFloatRenderable;textureRG11B10Renderable=!1;textureFloatFilterable=!1;quadVertexBuffer;quadIndexBuffer;blendState=new xt;depthState=new ds;stencilEnabled=!1;stencilFront=new $s;stencilBack=new $s;dynamicBuffers;gpuProfiler;_destroyed=!1;defaultClearOptions={color:[0,0,0,1],depth:1,stencil:0,flags:Jl|ec};clientRect={width:0,height:0};_shadersDirty=!1;capsDefines=new Map;mapsToClear=new Set;static EVENT_RESIZE="resizecanvas";constructor(e,t){var s,i,r,a,n,o,c;super(),this.canvas=e,"setAttribute"in e&&e.setAttribute("data-engine",`PlayCanvas ${Ex}`),this.initOptions={...t},(s=this.initOptions).alpha??(s.alpha=!0),(i=this.initOptions).depth??(i.depth=!0),(r=this.initOptions).stencil??(r.stencil=!0),(a=this.initOptions).antialias??(a.antialias=!0),(n=this.initOptions).powerPreference??(n.powerPreference="high-performance"),(o=this.initOptions).displayFormat??(o.displayFormat=Sb),(c=this.initOptions).xrCompatible??(c.xrCompatible=Ce.browser&&!!navigator.xr),this._maxPixelRatio=Ce.browser?Math.min(1,window.devicePixelRatio):1,this.buffers=new Set,this._vram={tex:0,vb:0,ib:0,ub:0,sb:0},this._shaderStats={vsCompiled:0,fsCompiled:0,linked:0,materialShaders:0,compileTime:0},this.initializeContextCaches(),this._drawCallsPerFrame=0,this._shaderSwitchesPerFrame=0,this._primsPerFrame=[];for(let h=lf;h<=qa;h++)this._primsPerFrame[h]=0;this._renderTargetCreationTime=0,this.scope=new Bb("Device"),this.textureBias=this.scope.resolve("textureBias"),this.textureBias.setValue(0)}postInit(){const e=new Us(this,[{semantic:Ie,components:2,type:je}]),t=new Float32Array([-1,-1,1,-1,-1,1,1,1]);this.quadVertexBuffer=new Hi(this,e,4,{data:t});const s=new Uint16Array([0,1,2,2,1,3]);this.quadIndexBuffer=new la(this,Ni,6,Ys,s.buffer)}initCapsDefines(){const{capsDefines:e}=this;e.clear(),this.textureFloatFilterable&&e.set("CAPS_TEXTURE_FLOAT_FILTERABLE",""),this.textureFloatRenderable&&e.set("CAPS_TEXTURE_FLOAT_RENDERABLE",""),this.supportsMultiDraw&&e.set("CAPS_MULTI_DRAW",""),this.supportsPrimitiveIndex&&e.set("CAPS_PRIMITIVE_INDEX",""),this.supportsShaderF16&&e.set("CAPS_SHADER_F16",""),this.supportsSubgroups&&e.set("CAPS_SUBGROUPS",""),this.supportsSubgroupId&&e.set("CAPS_SUBGROUP_ID",""),this.supportsLinearIndexing&&e.set("CAPS_LINEAR_INDEXING",""),this.supportsUnrestrictedPointerParameters&&e.set("CAPS_UNRESTRICTED_POINTER_PARAMETERS",""),this.supportsPointerCompositeAccess&&e.set("CAPS_POINTER_COMPOSITE_ACCESS",""),this.supportsPacked4x8IntegerDotProduct&&e.set("CAPS_PACKED_4X8_INTEGER_DOT_PRODUCT",""),this.supportsTextureAndSamplerLet&&e.set("CAPS_TEXTURE_AND_SAMPLER_LET",""),this.supportsStorageTextureRead&&e.set("CAPS_STORAGE_TEXTURE_READ",""),Ce.desktop&&e.set("PLATFORM_DESKTOP",""),Ce.mobile&&e.set("PLATFORM_MOBILE",""),Ce.android&&e.set("PLATFORM_ANDROID",""),Ce.ios&&e.set("PLATFORM_IOS","")}destroy(){this.fire("destroy"),this.quadVertexBuffer?.destroy(),this.quadVertexBuffer=null,this.quadIndexBuffer?.destroy(),this.quadIndexBuffer=null,this.dynamicBuffers?.destroy(),this.dynamicBuffers=null,this.gpuProfiler?.destroy(),this.gpuProfiler=null,this._destroyed=!0}onDestroyShader(e){this.fire("destroy:shader",e);const t=this.shaders.indexOf(e);t!==-1&&this.shaders.splice(t,1)}onTextureDestroyed(e){this.textures.delete(e),this.texturesToUpload.delete(e),this.scope.removeValue(e)}postDestroy(){this.scope=null,this.canvas=null}loseContext(){this.contextLost=!0,this.backBufferSize.set(-1,-1);for(const e of this.textures)e.loseContext();for(const e of this.buffers)e.loseContext();for(const e of this.targets)e.loseContext();this.gpuProfiler?.loseContext()}restoreContext(){this.contextLost=!1,this.initializeRenderState(),this.initializeContextCaches();for(const e of this.buffers)e.restoreContext();this.gpuProfiler?.restoreContext?.()}toJSON(e){}initializeContextCaches(){this.vertexBuffers=[],this.shader=null,this.shaderValid=void 0,this.shaderAsyncCompile=!1,this.renderTarget=null}initializeRenderState(){this.blendState=new xt,this.depthState=new ds,this.cullMode=tc,this.frontFace=sc,this.vx=this.vy=this.vw=this.vh=0,this.sx=this.sy=this.sw=this.sh=0,this.blendColor=new Q(0,0,0,0)}setStencilState(e,t){}setBlendState(e){}

2setBlendColor(e,t,s,i){}setDepthState(e){}setCullMode(e){}setFrontFace(e){}setDrawStates(e=xt.NOBLEND,t=ds.NODEPTH,s=Yt,i=sc,r,a){this.setBlendState(e),this.setDepthState(t),this.setCullMode(s),this.setFrontFace(i),this.setStencilState(r,a)}setRenderTarget(e){this.renderTarget=e}setVertexBuffer(e){e&&this.vertexBuffers.push(e)}clearVertexBuffer(){this.vertexBuffers.length=0}getIndirectDrawSlot(e=1){return 0}get indirectDrawBuffer(){return null}getIndirectDispatchSlot(e=1){return 0}get indirectDispatchBuffer(){return null}getRenderTarget(){return this.renderTarget}initRenderTarget(e){e.initialized||(e.init(),this.targets.add(e))}draw(e,t,s,i,r=!0,a=!0){}_isBrowserInterface(e){return this._isImageBrowserInterface(e)||this._isImageCanvasInterface(e)||this._isImageVideoInterface(e)||this._isHTMLElementInterface(e)}_isImageBrowserInterface(e){return typeof ImageBitmap<"u"&&e instanceof ImageBitmap||typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement}_isImageCanvasInterface(e){return typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement}_isImageVideoInterface(e){return typeof HTMLVideoElement<"u"&&e instanceof HTMLVideoElement}_isHTMLElementInterface(e){return typeof HTMLElement<"u"&&e instanceof HTMLElement&&!(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement)&&!(typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement)&&!(typeof HTMLVideoElement<"u"&&e instanceof HTMLVideoElement)}resizeCanvas(e,t){const s=Math.min(this._maxPixelRatio,Ce.browser?window.devicePixelRatio:1),i=Math.floor(e*s),r=Math.floor(t*s);(i!==this.canvas.width||r!==this.canvas.height)&&this.setResolution(i,r)}setResolution(e,t){this.canvas.width=e,this.canvas.height=t,this.fire(Je.EVENT_RESIZE,e,t)}update(){this.updateClientRect()}updateClientRect(){if(Ce.worker)this.clientRect.width=this.canvas.width,this.clientRect.height=this.canvas.height;else{const e=this.canvas.getBoundingClientRect();this.clientRect.width=e.width,this.clientRect.height=e.height}}get width(){return this.canvas.width}get height(){return this.canvas.height}set fullscreen(e){}get fullscreen(){return!1}set maxPixelRatio(e){this._maxPixelRatio=e}get maxPixelRatio(){return this._maxPixelRatio}get deviceType(){return this._deviceType}startRenderPass(e){}endRenderPass(e){}startComputePass(e){}endComputePass(){}frameStart(){this.renderPassIndex=0,this.renderVersion++}frameEnd(){this.mapsToClear.forEach(e=>e.clear()),this.mapsToClear.clear()}computeDispatch(e,t="Unnamed"){}getRenderableHdrFormat(e=[tn,Ge,mt],t=!0,s=1){for(let i=0;i<e.length;i++){const r=e[i];switch(r){case tn:{if(this.textureRG11B10Renderable)return r;break}case Ge:if(this.textureHalfFloatRenderable)return r;break;case mt:if(this.isWebGPU&&s>1)continue;if(this.textureFloatRenderable&&(!t||this.textureFloatFilterable))return r;break}}}validateAttributes(e,t,s){}}let Hb=0;class St{name;_device;_colorBuffer;_colorBuffers;_depthBuffer;_depth;_stencil;_samples;autoResolve;_face;_mipLevel;_mipmaps;_width;_height;flipY;constructor(e={}){this.id=Hb++;const t=e.colorBuffer?.device??e.colorBuffers?.[0].device??e.depthBuffer?.device??e.graphicsDevice;this._device=t;const{maxSamples:s}=this._device;if(this._samples=Math.min(e.samples??1,s),t.isWebGPU&&(this._samples=this._samples>1?s:1),this._colorBuffer=e.colorBuffer,e.colorBuffer&&(this._colorBuffers=[e.colorBuffer]),this._depthBuffer=e.depthBuffer,this._face=e.face??0,this._depthBuffer){const i=this._depthBuffer._format;i===Oi||i===ja?(this._depth=!0,this._stencil=!1):i===en?(this._depth=!0,this._stencil=!0):i===Ti&&this._depthBuffer.device.isWebGPU&&this._samples>1?(this._depth=!0,this._stencil=!1):(this._depth=!1,this._stencil=!1)}else this._depth=e.depth??!0,this._stencil=e.stencil??!1;e.colorBuffers&&(this._colorBuffers||(this._colorBuffers=[...e.colorBuffers],this._colorBuffer=e.colorBuffers[0])),this.autoResolve=e.autoResolve??!0,this.name=e.name,this.name||(this.name=this._colorBuffer?.name),this.name||(this.name=this._depthBuffer?.name),this.name||(this.name="Untitled"),this.flipY=e.flipY??!1,this._mipLevel=e.mipLevel??0,this._mipLevel>0&&this._depth&&(this._mipLevel=0),this._mipmaps=e.mipLevel===void 0,this.evaluateDimensions(),this.validateMrt(),this.impl=t.createRenderTargetImpl(this)}destroy(){const e=this._device;e&&(e.targets.delete(this),e.renderTarget===this&&e.setRenderTarget(null),this.destroyFrameBuffers())}destroyFrameBuffers(){const e=this._device;e&&this.impl.destroy(e)}destroyTextureBuffers(){this._depthBuffer?.destroy(),this._depthBuffer=null,this._colorBuffers?.forEach(e

2=>{e.destroy()}),this._colorBuffers=null,this._colorBuffer=null}resize(e,t){if(!(this.mipLevel>0)&&(this._depthBuffer?.resize(e,t),this._colorBuffers?.forEach(s=>{s.resize(e,t)}),this._width!==e||this._height!==t)){this.destroyFrameBuffers();const s=this._device;s.renderTarget===this&&s.setRenderTarget(null),this.evaluateDimensions(),this.validateMrt(),this.impl=s.createRenderTargetImpl(this)}}validateMrt(){}evaluateDimensions(){const e=this._colorBuffer??this._depthBuffer;e&&(this._width=e.width,this._height=e.height,this._mipLevel>0&&(this._width=Xt.calcLevelDimension(this._width,this._mipLevel),this._height=Xt.calcLevelDimension(this._height,this._mipLevel)))}init(){this.impl.init(this._device,this)}get initialized(){return this.impl.initialized}get device(){return this._device}loseContext(){this.impl.loseContext()}resolve(e=!0,t=!!this._depthBuffer){this._device&&this._samples>1&&this.impl.resolve(this._device,this,e,t)}copy(e,t,s){if(!this._device)if(e._device)this._device=e._device;else return!1;return this._device.copyRenderTarget(e,this,t,s)}get samples(){return this._samples}get depth(){return this._depth}get stencil(){return this._stencil}get colorBuffer(){return this._colorBuffer}getColorBuffer(e){return this._colorBuffers?.[e]}get depthBuffer(){return this._depthBuffer}get face(){return this._face}get mipLevel(){return this._mipLevel}get mipmaps(){return this._mipmaps}get width(){return this._width??this._device.width}get height(){return this._height??this._device.height}isColorBufferSrgb(e=0){if(this.device.backBuffer===this)return Qd(this.device.backBufferFormat);const t=this.getColorBuffer(e);return t?Qd(t.format):!1}}class Wb{bindGroup;update(e){this.destroy();const t=e.device,s=this.createDescriptor(t,e);this.bindGroup=t.wgpu.createBindGroup(s)}destroy(){this.bindGroup=null}createDescriptor(e,t){const s=[],i=t.format,r=t.format.uniformBufferFormats;t.uniformBuffers.forEach((h,d)=>{const u=r[d].slot,f=h.persistent?h.impl.buffer:h.allocation.gpuBuffer.buffer;s.push({binding:u,resource:{buffer:f,offset:0,size:h.format.byteSize}})});const a=t.format.textureFormats;t.textures.forEach((h,d)=>{const u=h instanceof dc,p=(u?h.texture:h).impl,m=i.textureFormats[d],_=a[d].slot,g=p.getView(e,u?h:void 0);if(s.push({binding:_,resource:g}),m.hasSampler){const v=p.getSampler(e,m.sampleType);s.push({binding:_+1,resource:v})}});const n=t.format.storageTextureFormats;t.storageTextures.forEach((h,d)=>{const u=h instanceof dc,p=(u?h.texture:h).impl,m=n[d].slot,_=p.getView(e,u?h:void 0);s.push({binding:m,resource:_})});const o=t.format.storageBufferFormats;return t.storageBuffers.forEach((h,d)=>{const u=h.impl.buffer,f=o[d].slot;s.push({binding:f,resource:{buffer:u}})}),{layout:t.format.impl.bindGroupLayout,entries:s}}}class $f{static shaderStage(e){let t=0;return e&rn&&(t|=GPUShaderStage.VERTEX),e&an&&(t|=GPUShaderStage.FRAGMENT),e&G&&(t|=GPUShaderStage.COMPUTE),t}}const re=[];re[K_]="";re[Z_]="";re[Du]="";re[Zu]="r8unorm";re[Qu]="rg8unorm";re[Dc]="";re[Mu]="";re[Mc]="";re[Er]="rgba8unorm";re[Re]="rgba8unorm";re[Rc]="bc1-rgba-unorm";re[Ru]="bc2-rgba-unorm";re[Ho]="bc3-rgba-unorm";re[Lc]="";re[Ge]="rgba16float";re[kc]="r16float";re[Ku]="rg16float";re[Lu]="";re[mt]="rgba32float";re[Ti]="r32float";re[ef]="rg32float";re[Oi]="depth32float";re[ja]="depth16unorm";re[en]="depth24plus-stencil8";re[tn]="rg11b10ufloat";re[Fu]="";re[us]="rgba8unorm-srgb";re[Fc]="";re[Ou]="etc2-rgb8unorm";re[Bu]="etc2-rgba8unorm";re[Wo]="";re[Xo]="";re[Oc]="";re[Bc]="";re[Q_]="astc-4x4-unorm";re[J_]="";re[eg]="";re[Nu]="bgra8unorm";re[Ju]="bgra8unorm-srgb";re[ku]="r8sint";re[Uu]="r8uint";re[zu]="r16sint";re[Vu]="r16uint";re[Gu]="r32sint";re[js]="r32uint";re[Hu]="rg8sint";re[tg]="rg8uint";re[Wu]="rg16sint";re[Xu]="rg16uint";re[Yu]="rg32sint";re[Nc]="rg32uint";re[ju]="rgba8sint";re[sg]="rgba8uint";re[qu]="rgba16sint";re[Vi]="rgba16uint";re[$u]="rgba32sint";re[Wt]="rgba32uint";re[ig]="bc6h-rgb-float";re[rg]="bc6h-rgb-ufloat";re[ag]="bc7-rgba-unorm";re[tf]="rgb9e5ufloat";re[sf]="rg8snorm";re[rf]="rgba8snorm";re[af]="rgb10a2unorm";re[nf]="rgb10a2uint";re[Xd]="bc1-rgba-unorm-srgb";re[Yd]="bc2-rgba-unorm-srgb";re[jd]="bc3-rgba-unorm-srgb";re[qd]="etc2-rgb8unorm-srgb";re[$d]="etc2-rgba8unorm-srgb";re[Zd]="bc7-rgba-unorm-srgb";re[Kd]="astc-4x4-unorm-srgb";const qo=[];qo[ls]="filtering";qo[da]="non-filtering";qo[gi]="comparison";qo[aa]="comparison";qo[na]="comparison";const $o=[];$o[ls]="float";$o[da]="unfilterable-float";$o[gi]="depth";$o[aa]="sint";$o[na]="uint";

2const Xb=new _n;class Yb{constructor(e){const t=e.device,{key:s,desc:i}=this.createDescriptor(e);this.key=Xb.get(s),this.bindGroupLayout=t.wgpu.createBindGroupLayout(i)}destroy(){this.bindGroupLayout=null}loseContext(){}createDescriptor(e){const t=[];let s="";return e.uniformBufferFormats.forEach(r=>{const a=$f.shaderStage(r.visibility);s+=`#${r.slot}U:${a}`,t.push({binding:r.slot,visibility:a,buffer:{type:"uniform",hasDynamicOffset:!0}})}),e.textureFormats.forEach(r=>{const a=$f.shaderStage(r.visibility),n=r.sampleType,o=r.textureDimension,c=!1,h=$o[n];if(s+=`#${r.slot}T:${a}-${h}-${o}-${c}`,t.push({binding:r.slot,visibility:a,texture:{sampleType:h,viewDimension:o,multisampled:c}}),r.hasSampler){const d=qo[n];s+=`#${r.slot+1}S:${a}-${d}`,t.push({binding:r.slot+1,visibility:a,sampler:{type:d}})}}),e.storageTextureFormats.forEach(r=>{const{format:a,textureDimension:n}=r,{read:o,write:c}=r;s+=`#${r.slot}ST:${a}-${n}-${o?"r1":"r0"}-${c?"w1":"w0"}`,t.push({binding:r.slot,visibility:GPUShaderStage.COMPUTE,storageTexture:{access:o?c?"read-write":"read-only":"write-only",format:re[a],viewDimension:n}})}),e.storageBufferFormats.forEach(r=>{const a=r.readOnly,n=$f.shaderStage(r.visibility);s+=`#${r.slot}SB:${n}-${a?"ro":"rw"}`,t.push({binding:r.slot,visibility:n,buffer:{type:a?"read-only-storage":"storage"}})}),{key:s,desc:{entries:t}}}}class wf{buffer=null;usageFlags=0;constructor(e=0){this.usageFlags=e}destroy(e){this.buffer&&(e.deferDestroy(this.buffer),this.buffer=null)}get initialized(){return!!this.buffer}loseContext(){this.buffer=null}allocate(e,t){this.buffer=e.wgpu.createBuffer({size:t,usage:this.usageFlags})}unlock(e,t){const s=e.wgpu;if(!this.buffer){const n=t.byteLength+3&-4;this.usageFlags|=GPUBufferUsage.COPY_DST,this.allocate(e,n)}const i=t.byteOffset??0,r=new Uint8Array(t.buffer??t,i,t.byteLength),a=new Uint8Array(this.buffer.size);a.set(r),s.queue.writeBuffer(this.buffer,0,a,0,a.length)}read(e,t,s,i,r){return e.readStorageBuffer(this,t,s,i,r)}write(e,t,s,i,r){e.writeStorageBuffer(this,t,s,i,r)}clear(e,t,s){e.clearStorageBuffer(this,t,s)}}class jb extends wf{format=null;constructor(e,t){super(AE|(t?.storage?$_:0)),this.format=e.format===Ni?"uint16":"uint32"}unlock(e){const t=e.device;super.unlock(t,e.storage)}}const Jx={equals(l,e){if(l.length!==e.length)return!1;for(let t=0;t<l.length;t++)if(l[t]!==e[t])return!1;return!0}},br=[];br[ua]="sint8";br[mr]="uint8";br[fa]="sint16";br[mn]="uint16";br[Yo]="sint32";br[Xc]="uint32";br[je]="float32";br[hf]="float16";const Ar=[];Ar[ua]="snorm8";Ar[mr]="unorm8";Ar[fa]="snorm16";Ar[mn]="unorm16";Ar[Yo]="sint32";Ar[Xc]="uint32";Ar[je]="float32";Ar[hf]="float16";class qb{cache=new Map;get(e,t=null){const s=this.getKey(e,t);let i=this.cache.get(s);return i||(i=this.create(e,t),this.cache.set(s,i)),i}getKey(e,t=null){return`${e?.renderingHashString}-${t?.renderingHashString}`}create(e,t){const s=[],i=r=>{const a=r.interleaved,n=r.instancing?"instance":"vertex";let o=[];const c=r.elements.length;for(let h=0;h<c;h++){const d=r.elements[h],u=Be[d.name],f=d.normalize?Ar:br;o.push({shaderLocation:u,offset:a?d.offset:0,format:`${f[d.dataType]}${d.numComponents>1?`x${d.numComponents}`:""}`}),(!a||h===c-1)&&(s.push({attributes:o,arrayStride:d.stride,stepMode:n}),o=[])}};return e&&i(e),t&&i(t),s}}class eT{constructor(e){this.device=e}getPipelineLayout(e){const t=[];e.forEach(r=>{t.push(r.bindGroupLayout)});const s={bindGroupLayouts:t};return this.device.wgpu.createPipelineLayout(s)}}const $b=["point-list","line-list",void 0,"line-strip","triangle-list","triangle-strip",void 0],Nv=["add","subtract","reverse-subtract","min","max"],gh=["zero","one","src","one-minus-src","dst","one-minus-dst","src-alpha","src-alpha-saturated","one-minus-src-alpha","dst-alpha","one-minus-dst-alpha","constant","one-minus-constant"],Kf=["never","less","equal","less-equal","greater","not-equal","greater-equal","always"],Kb=["none","back","front"],Zb=["ccw","cw"],Pn=["keep","zero","replace","increment-clamp","increment-wrap","decrement-clamp","decrement-wrap","invert"],Qb=["","uint16","uint32"];let Jb=class{pipeline;hashes};class eA extends eT{lookupHashes=new Uint32Array(15);constructor(e){super(e),this.vertexBufferLayout=new qb,this.cache=new Map}get(e,t,s,i,r,a,n,o,c,h,d,u,f,p){const m=e.type;i&&m!==og&&m!==Tr&&(i=void 0);const _=this.lookupHashes;_[0]=m,_[1]=r.id,_[2]=h,_[3]=c.key,_[4]=o.key,_[5]=t?.renderingHash??0,_[6]=s?.renderingHash??0,_[7]=a.impl.key,_[8]=n[0]?.key??0,_[9]=n[1]?.key??0,_[10]=n[2]?.key??0,_[11]=d?u.key:0,_[12]=d?f.key:0,_[13]=i??0,_[14]=p;const g=Tf(_);let v=this.cache.get(g);if(v)for(let w=0;w<v.length;w++){const C=v[w];if(Jx.equals(C.hashes,_))return C.pipeline}const x=$b[m],y=this.getPipelineLayout(n),S=this.vertexBufferLayout.get(t,s),T=new Jb;return T.hashes=new Uint32Array(_),T.pipeline=this.create(x,i,r,a,y,o,c,S,h,d,u,f,p),v?v.push(T):v=[T],this.cache.set(g,v),T.pipeline}getBlend(e){let t;return e.blend&&(t={color:{operation:Nv[e.colorOp],srcFactor:gh[e.colorSrcFactor],dstFactor:gh[e.colorDstFactor]},alpha:{operation:Nv[e.alphaOp],srcFactor:gh[e.alphaSrcFactor],dstFactor:gh[e.alphaDstFactor]}}),t}getDepthStencil(e,t,s,i,r,a){let n;const{depth:o,stencil:c}=t;if(o||c){if(n={format:t.impl.depthAttachment.format},o){n.depthWriteEnabled=e.write,n.depthCompare=Kf[e.func];const h=a==="triangle-list"||a==="triangle-strip";n.depthBias=h?e.depthBias:0,n.depthBiasSlopeScale=h?e.depthBiasSlope:0}else n.depthWriteEnabled=!1,n.depthCompare="always";c&&s&&(n.stencilReadMas=i.readMask,n.stencilWriteMask=i.writeMask,n.stencilFront={compare:Kf[i.func

2],failOp:Pn[i.fail],passOp:Pn[i.zpass],depthFailOp:Pn[i.zfail]},n.stencilBack={compare:Kf[r.func],failOp:Pn[r.fail],passOp:Pn[r.zpass],depthFailOp:Pn[r.zfail]})}return n}create(e,t,s,i,r,a,n,o,c,h,d,u,f){const p=this.device.wgpu,m=s.impl,_={vertex:{module:m.getVertexShaderModule(),entryPoint:m.vertexEntryPoint,buffers:o},primitive:{topology:e,frontFace:Zb[f],cullMode:Kb[c]},depthStencil:this.getDepthStencil(n,i,h,d,u,e),multisample:{count:i.samples},layout:r};t&&(_.primitive.stripIndexFormat=Qb[t]),_.fragment={module:m.getFragmentShaderModule(),entryPoint:m.fragmentEntryPoint,targets:[]};const g=i.impl.colorAttachments;if(g.length>0){let x=0;a.redWrite&&(x|=GPUColorWrite.RED),a.greenWrite&&(x|=GPUColorWrite.GREEN),a.blueWrite&&(x|=GPUColorWrite.BLUE),a.alphaWrite&&(x|=GPUColorWrite.ALPHA);const y=this.getBlend(a);g.forEach(S=>{_.fragment.targets.push({format:S.format,writeMask:x,blend:y})})}return p.createRenderPipeline(_)}}class tA{pipeline=null;hashes=null}class sA extends eT{lookupHashes=new Uint32Array(2);cache=new Map;get(e,t){const s=this.lookupHashes;s[0]=e.impl.computeKey,s[1]=t.impl.key;const i=Tf(s);let r=this.cache.get(i);if(r)for(let o=0;o<r.length;o++){const c=r[o];if(Jx.equals(c.hashes,s))return c.pipeline}const a=this.getPipelineLayout([t.impl]),n=new tA;return n.hashes=new Uint32Array(s),n.pipeline=this.create(e,a),r?r.push(n):r=[n],this.cache.set(i,r),n.pipeline}create(e,t){const s=this.device.wgpu,i=e.impl,r={compute:{module:i.getComputeShaderModule(),entryPoint:i.computeEntryPoint},layout:t};return s.createComputePipeline(r)}}class Cf{_refCount=0;incRefCount(){this._refCount++}decRefCount(){this._refCount--}get refCount(){return this._refCount}}class iA extends Cf{object;constructor(e){super(),this.object=e,this.incRefCount()}}class rA{cache=new Map;destroy(){this.cache.forEach(e=>{e.object?.destroy()}),this.cache.clear()}clear(){this.cache.clear()}get(e){const t=this.cache.get(e);return t?(t.incRefCount(),t.object):null}set(e,t){this.cache.set(e,new iA(t))}release(e){const t=this.cache.get(e);t&&(t.decRefCount(),t.refCount===0&&(this.cache.delete(e),t.object?.destroy()))}}class aA extends rA{loseContext(e){this.clear()}}const nA=new Jt,Yl=l=>nA.get(l,()=>new aA),oA=new _n;class lA{format;multisampledBuffer;destroy(e){e.deferDestroy(this.multisampledBuffer),this.multisampledBuffer=null}}class kv{format;hasStencil;depthTexture=null;depthTextureInternal=!1;multisampledDepthBuffer=null;multisampledDepthBufferKey;constructor(e){this.format=e,this.hasStencil=e==="depth24plus-stencil8"}destroy(e){this.depthTextureInternal&&(e.deferDestroy(this.depthTexture),this.depthTexture=null),this.multisampledDepthBuffer&&(this.multisampledDepthBuffer=null,Yl(e).release(this.multisampledDepthBufferKey))}}class cA{initialized=!1;key;colorAttachments=[];depthAttachment=null;assignedColorTexture=null;renderPassDescriptor={};isBackbuffer=!1;constructor(e){this.renderTarget=e}destroy(e){this.initialized=!1,this.assignedColorTexture=null,this.colorAttachments.forEach(t=>{t.destroy(e)}),this.colorAttachments.length=0,this.depthAttachment?.destroy(e),this.depthAttachment=null}updateKey(){let t=`${this.renderTarget.samples}:${this.depthAttachment?this.depthAttachment.format:"nodepth"}`;this.colorAttachments.forEach(s=>{t+=`:${s.format}`}),this.key=oA.get(t)}assignColorTexture(e,t){this.assignedColorTexture=e;const s=this.renderTarget.device,i=s?.xrColorTextureViewDescriptor,r=i&&e===s.xrColorTexture,a=e.createView(r?i:{format:t}),n=this.renderPassDescriptor.colorAttachments[0];this.renderTarget.samples>1?n.resolveTarget=a:n.view=a,this.setColorAttachment(0,void 0,t),this.updateKey()}setColorAttachment(e,t,s){this.colorAttachments[e]||(this.colorAttachments[e]=new lA),t&&(this.colorAttachments[e].multisampledBuffer=t),s&&(this.colorAttachments[e].format=s)}init(e,t){const s=e.wgpu;this.initDepthStencil(e,s,t),t._colorBuffers&&t._colorBuffers.forEach((r,a)=>{this.setColorAttachment(a,void 0,r.impl.format)}),this.renderPassDescriptor.colorAttachments=[];const i=this.isBackbuffer?1:t._colorBuffers?.length??0;for(let r=0;r<i;++r){const a=this.initColor(e,s,t,r),n=r===0&&this.colorAttachments[0]?.format;(a.view||n)&&this.renderPassDescriptor.colorAttachments.push(a)}this.updateKey(),this.initialized=!0}initDepthStencil(e,t,s){const{samples:i,width:r,height:a,depth:n,depthBuffer:o}=s;

2if(n||o){let c;if(o)if(this.depthAttachment=new kv(o.impl.format),i>1){const h="depth24plus-stencil8";this.depthAttachment.format=h,this.depthAttachment.hasStencil=h==="depth24plus-stencil8";const d=`${o.id}:${r}:${a}:${i}:${h}`,u=Yl(e);let f=u.get(d);if(!f){const p={size:[r,a,1],dimension:"2d",sampleCount:i,format:h,usage:GPUTextureUsage.RENDER_ATTACHMENT|(h!==o.impl.format?GPUTextureUsage.TEXTURE_BINDING:0)};f=t.createTexture(p),u.set(d,f)}this.depthAttachment.multisampledDepthBuffer=f,this.depthAttachment.multisampledDepthBufferKey=d,c=f.createView()}else{const h=o.impl.gpuTexture;this.depthAttachment.depthTexture=h,c=h.createView()}else{this.depthAttachment=new kv("depth24plus-stencil8");const h={size:[r,a,1],dimension:"2d",sampleCount:i,format:this.depthAttachment.format,usage:GPUTextureUsage.RENDER_ATTACHMENT};i>1?h.usage|=GPUTextureUsage.TEXTURE_BINDING:h.usage|=GPUTextureUsage.COPY_SRC;const d=t.createTexture(h);this.depthAttachment.depthTexture=d,this.depthAttachment.depthTextureInternal=!0,c=d.createView()}this.renderPassDescriptor.depthStencilAttachment={view:c}}}initColor(e,t,s,i){const r={},{samples:a,width:n,height:o,mipLevel:c}=s,h=s.getColorBuffer(i);let d=null;if(h&&(h.cubemap?d=h.impl.createView({dimension:"2d",baseArrayLayer:s.face,arrayLayerCount:1,mipLevelCount:1,baseMipLevel:c}):d=h.impl.createView({mipLevelCount:1,baseMipLevel:c})),a>1){const u=this.isBackbuffer?this.colorAttachments[i]?.format??e.backBufferViewFormat:h.impl.format,f={size:[n,o,1],dimension:"2d",sampleCount:a,format:u,usage:GPUTextureUsage.RENDER_ATTACHMENT},p=t.createTexture(f);this.setColorAttachment(i,p,f.format),r.view=p.createView(),r.resolveTarget=d}else r.view=d;return r}setupForRenderPass(e,t){const s=this.renderPassDescriptor.colorAttachments?.length??0;for(let r=0;r<s;++r){const a=this.renderPassDescriptor.colorAttachments[r],n=e.colorArrayOps[r],o=t.isColorBufferSrgb(r);a.clearValue=o?n.clearValueLinear:n.clearValue,a.loadOp=n.clear?"clear":"load",a.storeOp=n.store?"store":"discard"}const i=this.renderPassDescriptor.depthStencilAttachment;i&&(i.depthClearValue=e.depthStencilOps.clearDepthValue,i.depthLoadOp=e.depthStencilOps.clearDepth?"clear":"load",i.depthStoreOp=e.depthStencilOps.storeDepth?"store":"discard",i.depthReadOnly=!1,this.depthAttachment.hasStencil&&(i.stencilClearValue=e.depthStencilOps.clearStencilValue,i.stencilLoadOp=e.depthStencilOps.clearStencil?"clear":"load",i.stencilStoreOp=e.depthStencilOps.storeStencil?"store":"discard",i.stencilReadOnly=!1))}loseContext(){this.initialized=!1}resolve(e,t,s,i){}}const Ot=[];Ot[me]=1;Ot[sn]=2;Ot[hs]=3;Ot[Cr]=4;Ot[_r]=1;Ot[$a]=2;Ot[gr]=3;Ot[Ka]=4;Ot[So]=1;Ot[oc]=2;Ot[lc]=3;Ot[cc]=4;Ot[su]=8;Ot[Do]=12;Ot[Ss]=16;Ot[le]=1;Ot[Mo]=2;Ot[Ro]=3;Ot[oa]=4;class X{name;type;byteSize;offset;scopeId;count;numComponents;get isArrayType(){return this.count>0}constructor(e,t,s=0){if(this.shortName=e,this.name=s?`${e}[0]`:e,this.type=t,this.numComponents=Ot[t],this.updateType=t,s>0)switch(t){case me:this.updateType=df;break;case _r:this.updateType=Lo;break;case le:this.updateType=pf;break;case So:this.updateType=mf;break;case sn:this.updateType=uf;break;case $a:this.updateType=Fo;break;case Mo:this.updateType=_f;break;case oc:this.updateType=gf;break;case hs:this.updateType=ff;break;case gr:this.updateType=Oo;break;case Ro:this.updateType=vf;break;case lc:this.updateType=Sf;break;case Cr:this.updateType=pg;break;case Ka:this.updateType=iu;break;case oa:this.updateType=mg;break;case cc:this.updateType=_g;break;case Ss:this.updateType=Ux;break}this.count=s;let i=this.numComponents;s&&(i=H.roundUp(i,4)),this.byteSize=i*4,s&&(this.byteSize*=s)}calculateOffset(e){let t=this.byteSize<=8?this.byteSize:16;this.count&&(t=16),e=H.roundUp(e,t),this.offset=e/4}}class vt{byteSize=0;map=new Map;constructor(e,t){this.scope=e.scope,this.uniforms=t;let s=0;for(let i=0;i<t.length;i++){const r=t[i];r.calculateOffset(s),s=r.offset*4+r.byteSize,r.scopeId=this.scope.resolve(r.name),this.map.set(r.name,r)}this.byteSize=H.roundUp(s,16)}get(e){return this.map.get(e)}}const Uv=/[ \t]*(\battribute\b|\bvarying\b|\buniform\b)/g,Zf=/(\battribute\b|\bvarying\b|\bout\b|\buniform\b)[ \t]*([^;]+)(;+)/g,Qf="@@@",hA=/([\w-]+)\[(.*?)\]/,dA=new Set(["highp","mediump","lowp"]),uA=new Set(["sampler2DShadow","samplerCubeShadow","sampler2DArrayShadow"]),fA={sampler2D:ys,sampler3D:vo,samplerCube:dr,samplerCubeShadow:dr,sampler2DShadow:ys,sampler2DArray:hr,sampler2DArrayShadow:hr,isampler2D:ys,usampler2D:ys,isampler3D:vo,usampler3D:vo,isamplerCube:dr,usamplerCube:dr,isampler2DArray:hr,usampler2DArray:hr},pA={[ys]:"texture2D",[dr]:"textureCube",[vo]:"texture3D",[hr]:"texture2DArray"};let mA=class{constructor(e,t){this.line=e;const s=e.trim().split(/\s+/);if(dA.has(s[0])&&(this.precision=s.shift()),this.type=s.shift(),e.includes(","),e.includes("[")){const i=s.join(" "),r=hA.exec(i);this.name=r[1],this.arraySize=Number(r[2]),isNaN(this.arraySize)&&(t.failed=!0)}else this.name=s.shift(),this.arraySize=0;

2this.isSampler=this.type.indexOf("sampler")!==-1,this.isSignedInt=this.type.indexOf("isampler")!==-1,this.isUnsignedInt=this.type.indexOf("usampler")!==-1}};class $t{static run(e,t,s){const i=new Map,r=$t.extract(t.vshader),a=$t.extract(t.fshader),n=new Map,o=$t.processAttributes(r.attributes,t.attributes,n,t.processingOptions),c=$t.processVaryings(r.varyings,i,!0),h=$t.processVaryings(a.varyings,i,!1),d=$t.processOuts(a.outs),u=r.uniforms.concat(a.uniforms),p=Array.from(new Set(u)).map(y=>new mA(y,s)),m=$t.processUniforms(e,p,t.processingOptions,s),_=`${o}
3${c}
4${m.code}`,g=r.src.replace(Qf,_),v=`${h}
5${d}
6${m.code}`,x=a.src.replace(Qf,v);return{vshader:g,fshader:x,attributes:n,meshUniformBufferFormat:m.meshUniformBufferFormat,meshBindGroupFormat:m.meshBindGroupFormat}}static extract(e){const t=[],s=[],i=[],r=[];let a=`${Qf}
7`,n;for(;(n=Uv.exec(e))!==null;){const o=n[1];switch(o){case"attribute":case"varying":case"uniform":case"out":{Zf.lastIndex=n.index;const c=Zf.exec(e);o==="attribute"?t.push(c[2]):o==="varying"?s.push(c[2]):o==="out"?i.push(c[2]):o==="uniform"&&r.push(c[2]),e=$t.cutOut(e,n.index,Zf.lastIndex,a),Uv.lastIndex=n.index+a.length,a="";break}}}return{src:e,attributes:t,varyings:s,outs:i,uniforms:r}}static processUniforms(e,t,s,i){const r=[],a=[];t.forEach(u=>{u.isSampler?r.push(u):a.push(u)});const n=[];a.forEach(u=>{if(!s.hasUniform(u.name)){const f=xv.indexOf(u.type),p=new X(u.name,f,u.arraySize);n.push(p)}}),n.length===0&&n.push(new X(gg,me));const o=n.length?new vt(e,n):null,c=[];r.forEach(u=>{if(!s.hasTexture(u.name)){let f=ls;u.isSignedInt?f=aa:u.isUnsignedInt?f=na:(u.precision==="highp"&&(f=da),uA.has(u.type)&&(f=gi));const p=fA[u.type];c.push(new No(u.name,rn|an,p,f))}});const h=new Ze(e,c);let d="";return s.uniformFormats.forEach((u,f)=>{u&&(d+=$t.getUniformShaderDeclaration(u,f,0))}),o&&(d+=$t.getUniformShaderDeclaration(o,Bo,0)),s.bindGroupFormats.forEach((u,f)=>{u&&(d+=$t.getTexturesShaderDeclaration(u,f))}),d+=$t.getTexturesShaderDeclaration(h,Yc),{code:d,meshUniformBufferFormat:o,meshBindGroupFormat:h}}static processVaryings(e,t,s){let i="";const r=s?"out":"in";return e.forEach((a,n)=>{const o=$t.splitToWords(a),c=o.slice(0,-1).join(" "),h=o[o.length-1];s?t.set(h,n):n=t.get(h),i+=`layout(location = ${n}) ${r} ${c} ${h};
8`}),i}static processOuts(e){let t="";return e.forEach((s,i)=>{t+=`layout(location = ${i}) out ${s};
9`}),t}static getTypeCount(e){const t=e.substring(e.length-1),s=parseInt(t,10);return isNaN(s)?1:s}static processAttributes(e,t,s,i){let r="";return e.forEach(a=>{const n=$t.splitToWords(a);let o=n[0],c=n[1];if(t.hasOwnProperty(c)){const h=t[c],d=Be[h];s.set(d,c);let u;const f=i.getVertexElement(h);if(f){const p=f.dataType;if(p!==je&&p!==hf&&!f.normalize&&!f.asInt){const m=$t.getTypeCount(o),_=`_private_${c}`;u=`vec${m} ${c} = vec${m}(${_});
10`,c=_;const g=p===ua||p===fa||p===Yo;m===1?o=g?"int":"uint":o=g?`ivec${m}`:`uvec${m}`}}r+=`layout(location = ${d}) in ${o} ${c};
11`,u&&(r+=u)}}),r}static splitToWords(e){return e=e.replace(/\s+/g," ").trim(),e.split(" ")}static cutOut(e,t,s,i){return e.substring(0,t)+i+e.substring(s)}static getUniformShaderDeclaration(e,t,s){const i=Kx[t];let r=`layout(set = ${t}, binding = ${s}, std140) uniform ub_${i} {
12`;

12return e.uniforms.forEach(a=>{const n=xv[a.type];r+=`    ${n} ${a.shortName}${a.count?`[${a.count}]`:""};
13`}),`${r}};
14`}static getTexturesShaderDeclaration(e,t){let s="";return e.textureFormats.forEach(i=>{let r=pA[i.textureDimension];const a=r==="texture2DArray",n=i.sampleType===na?"u":i.sampleType===aa?"i":"";r=`${n}${r}`;let o="",c="";a&&(o="_texture",c=`#define ${i.name} ${n}sampler2DArray(${i.name}${o}, ${i.name}_sampler)
15`),s+=`layout(set = ${t}, binding = ${i.slot}) uniform ${r} ${i.name}${o};
16`,i.hasSampler&&(s+=`layout(set = ${t}, binding = ${i.slot+1}) uniform sampler ${i.name}_sampler;
17`),s+=c}),s}}const zv=/^[ \t]*(attribute|varying|uniform)[\t ]+/gm,Jf=/^[ \t]*(attribute|varying|uniform)[ \t]*([^;]+)(;+)/gm,ep=/^[ \t]*var\s*(?:(<storage,[^>]*>)\s*([\w\d_]+)\s*:\s*(.*?)\s*;|(<(?!storage,)[^>]*>)?\s*([\w\d_]+)\s*:\s*(texture_.*|storage_texture_.*|storage\w.*|external_texture|sampler(?:_comparison)?)\s*;)\s*$/gm,_A=/(?:@interpolate\([^)]*\)\s*)?([\w]+)\s*:\s*([\w<>]+)/,tp="@@@",sp=/(@vertex|@fragment)\s*fn\s+\w+\s*\(\s*(\w+)\s*:[\s\S]*?\{/,Vv=[{wgslName:"position",wgslType:"vec4f",wgslBuiltin:"position",pcName:"pcPosition",isFallback:!0},{wgslName:"frontFacing",wgslType:"bool",wgslBuiltin:"front_facing",pcName:"pcFrontFacing"},{wgslName:"sampleIndex",wgslType:"u32",wgslBuiltin:"sample_index",pcName:"pcSampleIndex"},{wgslName:"primitiveIndex",wgslType:"u32",wgslBuiltin:"primitive_index",pcName:"pcPrimitiveIndex",requiresFeature:"supportsPrimitiveIndex"}],Gv=[{wgslName:"vertexIndex",wgslType:"u32",wgslBuiltin:"vertex_index",pcName:"pcVertexIndex",isFallback:!0},{wgslName:"instanceIndex",wgslType:"u32",wgslBuiltin:"instance_index",pcName:"pcInstanceIndex"}],Hv=(l,e,t,s)=>l.filter(i=>i.requiresFeature&&!s[i.requiresFeature]?!1:new RegExp(`\\b(?:${i.pcName}|${t}\\.${i.wgslName})\\b`).test(e)),Wv=(l,e,t,s)=>{if(l.length===0&&!s){const i=e.find(r=>r.isFallback&&(!r.requiresFeature||t[r.requiresFeature]));if(i)return[i]}return l},Xv=l=>l.map(e=>`    @builtin(${e.wgslBuiltin}) ${e.wgslName} : ${e.wgslType},
18`).join(""),Yv=l=>l.map(e=>`    var<private> ${e.pcName}: ${e.wgslType};
19`).join(""),jv=l=>l.map(e=>`    ${e.pcName} = input.${e.wgslName};
20`).join(""),gA={texture_1d:{viewDimension:kx,baseSampleType:ls},texture_2d:{viewDimension:ys,baseSampleType:ls},texture_2d_array:{viewDimension:hr,baseSampleType:ls},texture_3d:{viewDimension:vo,baseSampleType:ls},texture_cube:{viewDimension:dr,baseSampleType:ls},texture_cube_array:{viewDimension:tu,baseSampleType:ls},texture_multisampled_2d:{viewDimension:ys,baseSampleType:ls},texture_depth_2d:{viewDimension:ys,baseSampleType:gi},texture_depth_2d_array:{viewDimension:hr,baseSampleType:gi},texture_depth_cube:{viewDimension:dr,baseSampleType:gi},texture_depth_cube_array:{viewDimension:tu,baseSampleType:gi},texture_external:{viewDimension:ys,baseSampleType:da}},vA=(l,e)=>{const t=gA[l];let s=t.baseSampleType;if(t.baseSampleType===ls&&l!=="texture_multisampled_2d")switch(e){case"u32":s=na;break;case"i32":s=aa;break;case"f32":s=ls;break;case"uff":s=da;break}return{viewDimension:t.viewDimension,sampleType:s}},SA=(l,e)=>{if(e===gi)switch(l){case ys:return"texture_depth_2d";case hr:return"texture_depth_2d_array";case dr:return"texture_depth_cube";case tu:return"texture_depth_cube_array"}let t;switch(l){case kx:t="texture_1d";break;case ys:t="texture_2d";break;case hr:t="texture_2d_array";break;case vo:t="texture_3d";break;case dr:t="texture_cube";break;case tu:t="texture_cube_array";break}let s;switch(e){case ls:case da:s="f32";break;case na:s="u32";break;case aa:s="i32";break}return`${t}<${s}>`},qv={f32:"WrappedF32",i32:"WrappedI32",u32:"WrappedU32",vec2f:"WrappedVec2F",vec2i:"WrappedVec2I",vec2u:"WrappedVec2U"},tT=l=>(l=l.replace(/\s+/g," ").trim(),l.split(/[\s:]+/)),yA=/array<([^,]+),\s*([^>]+)>/;class xA{ubName=null;arraySize=0;constructor(e,t){this.line=e;const s=tT(e);if(s.length<2){t.failed=!0;return}if(this.name=s[0],this.type=s.slice(1).join(" "),this.type.includes("array<")){const i=yA.exec(this.type);this.type=i[1].trim(),this.arraySize=Number(i[2]),isNaN(this.arraySize)&&(t.failed=!0)}}}const TA=/^\s*var\s+(\w+)\s*:\s*(texture_\w+)(?:<(\w+)>)?;\s*$/,wA=/^\s*var\s+([\w\d_]+)\s*:\s*(texture_storage_2d|texture_storage_2d_array)<([\w\d_]+),\s*(\w+)>\s*;\s*$/,CA=/^\s*var\s*<storage,\s*(read|write)?>\s*([\w\d_]+)\s*:\s*(.*)\s*;\s*$/,EA=/^\s*var\s+([\w\d_]+)\s*:\s*texture_external;\s*$/,bA=/^\s*var\s+([\w\d_]+)\s*:\s*(sampler|sampler_comparison)\s*;\s*$/;class $v{constructor(e,t){this.originalLine=e,this.line=e,this.isTexture=!1,this.isSampler=!1,this.isStorageTexture=!1,this.isStorageBuffer=!1,this.isExternalTexture=!1,this.type="",this.matchedElements=[];const s=this.line.match(TA);if(s){this.name=s[1],this.type=s[2],this.textureFormat=s[3],this.isTexture=!0,this.matchedElements.push(...s);

20const o=vA(this.type,this.textureFormat);this.textureDimension=o.viewDimension,this.sampleType=o.sampleType}const i=this.line.match(wA);i&&(this.isStorageTexture=!0,this.name=i[1],this.textureType=i[2],this.format=i[3],this.access=i[4],this.matchedElements.push(...i));const r=this.line.match(CA);r&&(this.isStorageBuffer=!0,this.accessMode=r[1]||"none",this.name=r[2],this.type=r[3],this.matchedElements.push(...r));const a=this.line.match(EA);a&&(this.name=a[1],this.isExternalTexture=!0,this.matchedElements.push(...r));const n=this.line.match(bA);n&&(this.name=n[1],this.samplerType=n[2],this.isSampler=!0,this.matchedElements.push(...n)),this.matchedElements.length===0&&(t.failed=!0)}equals(e){return!(this.name!==e.name||this.type!==e.type||this.isTexture!==e.isTexture||this.isSampler!==e.isSampler||this.isStorageTexture!==e.isStorageTexture||this.isStorageBuffer!==e.isStorageBuffer||this.isExternalTexture!==e.isExternalTexture||this.textureFormat!==e.textureFormat||this.textureDimension!==e.textureDimension||this.sampleType!==e.sampleType||this.textureType!==e.textureType||this.format!==e.format||this.access!==e.access||this.accessMode!==e.accessMode||this.samplerType!==e.samplerType)}}class bt{static run(e,t,s){const i=new Map,r=bt.extract(t.vshader),a=bt.extract(t.fshader),n=r.src.match(sp)?.[2]??"",o=a.src.match(sp)?.[2]??"",c=new Map,h=bt.processAttributes(r.attributes,t.attributes,c,t.processingOptions,s,e,r.src,n),d=bt.processVaryings(r.varyings,i,!0,e),u=bt.processVaryings(a.varyings,i,!1,e,a.src,o),f=r.uniforms.concat(a.uniforms),m=Array.from(new Set(f)).map(C=>new xA(C,s)),_=bt.processUniforms(e,m,t.processingOptions,s);r.src=bt.renameUniformAccess(r.src,m),a.src=bt.renameUniformAccess(a.src,m);const g=bt.mergeResources(r.resources,a.resources,s),v=bt.processResources(e,g,t.processingOptions,s),x=bt.generateFragmentOutputStruct(a.src,e.maxColorAttachments);r.src=bt.copyInputs(r.src,s),a.src=bt.copyInputs(a.src,s);const y=`${h}
21${d}
22${_.code}
23${v.code}
24`,S=r.src.replace(tp,y),T=`${u}
25${x}
26${_.code}
27${v.code}
28`,w=a.src.replace(tp,T);return{vshader:S,fshader:w,attributes:c,meshUniformBufferFormat:_.meshUniformBufferFormat,meshBindGroupFormat:v.meshBindGroupFormat}}static extract(e){const t=[],s=[],i=[],r=[];let a=`${tp}
29`,n;for(;(n=zv.exec(e))!==null;){const o=n[1];Jf.lastIndex=n.index;const c=Jf.exec(e);o==="attribute"?t.push(c[2]):o==="varying"?s.push(c[2]):o==="uniform"&&i.push(c[2]),e=bt.cutOut(e,n.index,Jf.lastIndex,a),zv.lastIndex=n.index+a.length,a=""}for(;(n=ep.exec(e))!==null;)r.push(n[0]),e=bt.cutOut(e,n.index,ep.lastIndex,a),ep.lastIndex=n.index+a.length,a="";return{src:e,attributes:t,varyings:s,uniforms:i,resources:r}}static processUniforms(e,t,s,i){const r=[];t.forEach(o=>{if(s.hasUniform(o.name))o.ubName="ub_view";else{o.ubName="ub_mesh_ub";const c=Vx.get(o.type),h=new X(o.name,c,o.arraySize);r.push(h)}}),r.length===0&&r.push(new X(gg,me));const a=new vt(e,r);let n="";return s.uniformFormats.forEach((o,c)=>{o&&(n+=bt.getUniformShaderDeclaration(o,c,0))}),a&&(n+=bt.getUniformShaderDeclaration(a,Bo,0)),{code:n,meshUniformBufferFormat:a}}static renameUniformAccess(e,t){return t.forEach(s=>{const i=`uniform.${s.name}`,r=`${s.ubName}.${s.name}`,a=new RegExp(`\\b${i}\\b`,"g");e=e.replace(a,r)}),e}static mergeResources(e,t,s){const i=e.map(a=>

29new $v(a,s));return t.map(a=>new $v(a,s)).forEach(a=>{const n=i.find(o=>o.name===a.name);n?n.equals(a)||(s.failed=!0):i.push(a)}),i}static processResources(e,t,s,i){const r=[];for(let o=0;o<t.length;o++){const c=t[o];if(c.isTexture){const h=t[o+1],d=h?.isSampler,u=c.sampleType,f=c.textureDimension;r.push(new No(c.name,rn|an,f,u,d,d?h.name:null)),d&&o++}if(c.isStorageBuffer){const h=c.accessMode!=="read_write",d=new q(c.name,rn|an,h);d.format=c.type,r.push(d)}}const a=new Ze(e,r);let n="";return s.bindGroupFormats.forEach((o,c)=>{o&&(n+=bt.getTextureShaderDeclaration(o,c))}),n+=bt.getTextureShaderDeclaration(a,Yc),{code:n,meshBindGroupFormat:a}}static getUniformShaderDeclaration(e,t,s){const i=Kx[t],r=`struct_ub_${i}`;let a=`struct ${r} {
30`;return e.uniforms.forEach(n=>{let o=zx[n.type][0];n.count>0?(qv.hasOwnProperty(o)&&(o=qv[o]),a+=`    ${n.shortName}: array<${o}, ${n.count}>,
31`):a+=`    ${n.shortName}: ${o},
32`}),a+=`};
33`,a+=`@group(${t}) @binding(${s}) var<uniform> ub_${i} : ${r};
34
35`,a}static getTextureShaderDeclaration(e,t){let s="";return e.textureFormats.forEach(i=>{const r=SA(i.textureDimension,i.sampleType);if(s+=`@group(${t}) @binding(${i.slot}) var ${i.name}: ${r};
36`,i.hasSampler){const a=i.sampleType===gi?"sampler_comparison":"sampler";s+=`@group(${t}) @binding(${i.slot+1}) var ${i.samplerName}: ${a};
37`}}),e.storageBufferFormats.forEach(i=>{const r=i.readOnly?"read":"read_write";s+=`@group(${t}) @binding(${i.slot}) var<storage, ${r}> ${i.name} : ${i.format};
38`}),s}static processVaryings(e,t,s,i,r="",a=""){let n="",o="",c="";if(e.forEach((d,u)=>{const f=d.match(_A);if(f){const p=f[1],m=f[2];s?t.set(p,u):u=t.get(p),n+=`    @location(${u}) ${d},
39`,s||(o+=`    var<private> ${p}: ${m};
40`,c+=`    ${p} = input.${p};
41`)}}),s)return n+=`    @builtin(position) position : vec4f,
42`,`
43								struct VertexOutput {
44										${n}
45								};
46						`;const h=Wv(Hv(Vv,r,a,i),Vv,i,n.length>0);return n+=Xv(h),`
47						struct FragmentInput {
48								${n}
49						};
50
51						${Yv(h)}
52						${o}
53
54						// function to copy inputs (varyings) to private global variables
55						fn _pcCopyInputs(input: FragmentInput) {
56								${c}
57								${jv(h)}
58						}
59				`}static generateFragmentOutputStruct(e,t){let s=`struct FragmentOutput {
60`;const i=a=>`color${a>0?a:""}`;for(let a=0;a<t;a++){const n=i(a);e.search(new RegExp(`\\.${n}\\s*=`))!==-1&&(s+=`    @location(${a}) ${n} : pcOutType${a},
61`)}return e.search(/\.fragDepth\s*=/)!==-1&&(s+=`    @builtin(frag_depth) fragDepth : f32
62`),`${s}};
63`}static floatAttributeToInt(e,t){const i={f32:"f32","vec2<f32>":"vec2f","vec3<f32>":"vec3f","vec4<f32>":"vec4f"}[e]||e;return{f32:t?"i32":"u32",vec2f:t?"vec2i":"vec2u",vec3f:t?"vec3i":"vec3u",vec4f:t?"vec4i":"vec4u"}[i]||null}static processAttributes(e,t={},s,i,r,a,n="",o=""){let c="",h="",d="";e.forEach(f=>{const p=tT(f),m=p[0];let _=p[1];const g=_;if(t.hasOwnProperty(m)){const v=t[m],x=Be[v];s.set(x,m);const y=i.getVertexElement(v);if(y){const S=y.dataType;if(S!==je&&S!==hf&&!y.normalize&&!y.asInt){const T=S===ua||S===fa||S===Yo;_=bt.floatAttributeToInt(_,T)}}c+=`    @location(${x}) ${m}: ${_},
64`,h+=`    var<private> ${f};
65`,d+=`    ${m} = ${g}(input.${m});
66`}});const u=Wv(Hv(Gv,n,o,a),Gv,a,c.length>0);return`
67						struct VertexInput {
68								${c}
69								${Xv(u)}
70						};
71
72						${h}
73						${Yv(u)}
74
75						fn _pcCopyInputs(input: VertexInput) {
76								${d}
77								${jv(u)}
78						}
79				`}static copyInputs(e,t){const s=e.match(sp);if(!s||!s[2])return e;const i=s[2],r=s.index+s[0].length-1,a=e.slice(0,r+1),n=e.slice(r+1),o=`
80		_pcCopyInputs(${i});`;return a+o+n}static cutOut(e,t,s,i){return e.substring(0,t)+i+e.substring(s)}}const AA=new _n;class PA{_vertexCode=null;_fragmentCode=null;_computeCode=null;_computeKey;vertexEntryPoint="main";fragmentEntryPoint="main";computeEntryPoint="main";constructor(e){this.shader=e;const t=e.definition;t.shaderLanguage===de?(t.cshader?(this._computeCode=t.cshader??null,this.computeUniformBufferFormats=t.computeUniformBufferFormats,this.computeBindGroupFormat=t.computeBindGroupFormat,t.computeEntryPoint&&(this.computeEntryPoint=t.computeEntryPoint)):(this.vertexEntryPoint="vertexMain",this.fragmentEntryPoint="fragmentMain",t.processingOptions?this.processWGSL():(this._vertexCode=t.vshader??null,this._fragmentCode=t.fshader??null,e.meshUniformBufferFormat=t.meshUniformBufferFormat,e.meshBindGroupFormat=t.meshBindGroupFormat)),e.ready=!0):t.processingOptions&&this.processGLSL()}destroy(e){this._vertexCode=null,this._fragmentCode=null}createShaderModule(e,t){return this.shader.device.wgpu.createShaderModule({code:e})}getVertexShaderModule(){return this.createShaderModule(this._vertexCode,"Vertex")}getFragmentShaderModule(){return this.createShaderModule(this._fragmentCode,"Fragment")}getComputeShaderModule(){return this.createShaderModule(this._computeCode,"Compute")}processGLSL(){const e=this.shader,t=$t.run(e.device,e.definition,e);this._vertexCode=this.transpile(t.vshader,"vertex",e.definition.vshader),this._fragmentCode=this.transpile(t.fshader,"fragment",e.definition.fshader),this._vertexCode&&this._fragmentCode?e.ready=!0:e.failed=!0,e.meshUniformBufferFormat=t.meshUniformBufferFormat,e.meshBindGroupFormat=t.meshBindGroupFormat,e.attributes=t.attributes}processWGSL(){const e=this.shader,t=bt.run(e.device,e.definition,e);this._vertexCode=t.vshader,this._fragmentCode=t.fshader,e.meshUniformBufferFormat=t.meshUniformBufferFormat,e.meshBindGroupFormat=t.meshBindGroupFormat,e.attributes=t.attributes}transpile(e,t,s){const i=this.shader.device;if(!i.glslang||!i.twgsl)return console.error(`Cannot transpile shader [${this.shader.label}] - shader transpilers (glslang/twgsl) are not available. Make sure to provide glslangUrl and twgslUrl when creating the device.`,{shader:this.shader}),null;try{const r=i.glslang.compileGLSL(e,t);return i.twgsl.convertSpirV2WGSL(r)}catch(r){console.error(`Failed to transpile webgl ${t} shader [${this.shader.label}] to WebGPU while rendering undefined, error:
81 [${r.stack}]`,{processed:e,original:s,shader:this.shader,error:r,stack:r.stack})}}get vertexCode(){return this._vertexCode}get fragmentCode(){return this._fragmentCode}

81get computeKey(){if(this._computeKey===void 0){const e=`${this._computeCode}|${this.computeEntryPoint}`;this._computeKey=AA.get(e)}return this._computeKey}loseContext(){}restoreContext(e,t){}}const xo=[];xo[Ft]="repeat";xo[ue]="clamp-to-edge";xo[Iu]="mirror-repeat";const vr=[];vr[Fe]={level:"nearest",mip:"nearest"};vr[It]={level:"linear",mip:"nearest"};vr[Ac]={level:"nearest",mip:"nearest"};vr[Pc]={level:"nearest",mip:"linear"};vr[Ic]={level:"linear",mip:"nearest"};vr[ia]={level:"linear",mip:"linear"};const IA=l=>{};class DA{gpuTexture;view;samplers=[];desc;format;viewCache=new Map;constructor(e){this.texture=e,this.format=re[e.format],this.create(e.device)}create(e){const t=this.texture,s=e.wgpu,i=t.numLevels;Sd(t.format)&&(t.width%4!==0||t.height%4!==0)&&(t._width=H.roundUp(t.width,4),t._height=H.roundUp(t.height,4)),this.desc={size:{width:t.width,height:t.height,depthOrArrayLayers:t.cubemap?6:t.array?t.arrayLength:1},format:this.format,mipLevelCount:i,sampleCount:1,dimension:t.volume?"3d":"2d",usage:GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC|(Sd(t.format)?0:GPUTextureUsage.RENDER_ATTACHMENT)|(t.storage?GPUTextureUsage.STORAGE_BINDING:0)},this.gpuTexture=s.createTexture(this.desc);let r;this.texture.format===en&&(r={format:"depth24plus",aspect:"depth-only"}),this.view=this.createView(r),this.viewCache.clear()}destroy(e){e.deferDestroy(this.gpuTexture),this.gpuTexture=null,this.view=null,this.viewCache.clear(),this.samplers.length=0}propertyChanged(e){this.samplers.length=0}getView(e,t){if(this.uploadImmediate(e,this.texture),t){let s=this.viewCache.get(t.key);return s||(s=this.createView({baseMipLevel:t.baseMipLevel,mipLevelCount:t.mipLevelCount,baseArrayLayer:t.baseArrayLayer,arrayLayerCount:t.arrayLayerCount}),this.viewCache.set(t.key,s)),s}return this.view}createView(e){const t=e??{},s=this.desc,i=this.texture,r=()=>i.cubemap?"cube":i.volume?"3d":i.array?"2d-array":"2d",a={format:t.format??s.format,dimension:t.dimension??r(),aspect:t.aspect??"all",baseMipLevel:t.baseMipLevel??0,mipLevelCount:t.mipLevelCount??s.mipLevelCount,baseArrayLayer:t.baseArrayLayer??0,arrayLayerCount:t.arrayLayerCount??s.depthOrArrayLayers};return this.gpuTexture.createView(a)}getSampler(e,t){let s=this.samplers[t];if(!s){const i=this.texture,r={addressModeU:xo[i.addressU],addressModeV:xo[i.addressV],addressModeW:xo[i.addressW]};!t&&i.compareOnRead&&(t=gi),t===gi||t===aa||t===na?(r.compare="less",r.magFilter="linear",r.minFilter="linear"):t===da||!e.textureFloatFilterable&&(i.format===mt||i.format===Ge)||this.texture.format===en||Qr(this.texture.format)?(r.magFilter="nearest",r.minFilter="nearest",r.mipmapFilter="nearest"):(r.magFilter=vr[i.magFilter].level,r.minFilter=vr[i.minFilter].level,r.mipmapFilter=vr[i.minFilter].mip);const a=r.minFilter==="linear"&&r.magFilter==="linear"&&r.mipmapFilter==="linear";r.maxAnisotropy=a?H.clamp(Math.round(i._anisotropy),1,e.maxTextureAnisotropy):1,s=e.wgpu.createSampler(r),this.samplers[t]=s}return s}loseContext(){}uploadImmediate(e,t){(t._needsUpload||t._needsMipmapsUpload)&&(this.uploadData(e),t._needsUpload=!1,t._needsMipmapsUpload=!1)}uploadData(e){const t=this.texture;if(this.desc&&(this.desc.size.width!==t.width||this.desc.size.height!==t.height)&&(e.deferDestroy(this.gpuTexture),this.create(e),t.renderVersionDirty=e.renderVersion),t._levels){let s=!1,i=!1;const r=t.numLevels;for(let a=0;a<r;a++){const n=t._levels[a];if(n){if(t.cubemap)for(let o=0;o<6;o++){const c=n[o];c?this.isExternalImage(c)?(this.uploadExternalImage(e,c,a,o),s=!0):ArrayBuffer.isView(c)&&(this.uploadTypedArrayData(e,c,a,o),s=!0):i=!0}else if(!t._volume)if(t.array)if(t.arrayLength===n.length)for(let o=0;o<t._arrayLength;o++){const c=n[o];this.isExternalImage(c)?(this.uploadExternalImage(e,c,a,o),s=!0):ArrayBuffer.isView(c)&&(this.uploadTypedArrayData(e,c,a,o),s=!0)}else i=!0;else e._isHTMLElementInterface(n)&&e.supportsHtmlTextures?(this.uploadElementImage(e,n,a,0),s=!0):this.isExternalImage(n)?(this.uploadExternalImage(e,n,a,0),s=!0):ArrayBuffer.isView(n)&&(this.uploadTypedArrayData(e,n,a,0),s=!0)}else i=!0}s&&i&&t.mipmaps&&!Sd(t.format)&&!Qr(t.format)&&e.mipmapRenderer.generate(this),t._gpuSize&&t.adjustVramSizeTracking(e._vram,-t._gpuSize),t._gpuSize=t.gpuSize,t.adjustVramSizeTracking(e._vram,t._gpuSize),t.releaseSourceAfterUpload&&t.releaseImageSources()}}isExternalImage(e){return typeof ImageBitmap<"u"&&e instanceof ImageBitmap||typeof HTMLVideoElement<"u"&&e instanceof HTMLVideoElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof OffscreenCanvas<"u"&&e instanceof OffscreenCanvas}uploadExternalImage(e,t,s,i){const r={source:t,origin:[0,0],flipY:!1},a={texture:this.gpuTexture,mipLevel:s,origin:[0,0,i],aspect:"all",premultipliedAlpha:this.texture._premultiplyAlpha},n={width:this.desc.size.width,height:this.desc.size.height,depthOrArrayLayers:1};e.submit(),IA(t instanceof HTMLCanvasElement&&t.getContext("2d")),e.wgpu.queue.copyExternalImageToTexture(r,a,n)}uploadElementImage(e,t,s,i){const r={texture:this.gpuTexture,mipLevel:s,origin:[0,0,i],aspect:"all",premultipliedAlpha:this.texture._premultiplyAlpha},a=Xt.calcLevelDimension(this.texture.width,s),n=Xt.calcLevelDimension(this.texture.height,s);e.submit();const o={source:t},c={destination:r,width:a,height:n};e.wgpu.queue.copyElementImageToTexture(o,c)}uploadTypedArrayData(e,t,s,i){const r=this.texture,a=e.wgpu,n={texture:this.gpuTexture,origin:[0,0,i],mipLevel:s},o=Xt.calcLevelDimension(r.width,s),c=Xt.calcLevelDimension(r.height,s);Xt.calcLevelGpuSize(o,c,1,r.format);const h=fs.get(r.format);let d,u;if(h.size)d={offset:0,bytesPerRow:h.size*o,rowsPerImage:c},u={width:o,height:c};else if(h.blockSize){const f=p=>Math.floor((p+3)/4);d={offset:0,bytesPerRow:h.blockSize*f(o),rowsPerImage:f(c)},u={width:Math.max(4,o),height:Math.max(4,c)}}e.submit(),a.queue.writeTexture(n,t,d,u)}read(e,t,s,i,r){const a=r.mipLevel??0,n=r.face??0,o=r.data??null,c=r.immediate??!1,h=this.texture,d=fs.get(h.format),u=s*d.size,f=H.roun

81dUp(u,256),p=f*i,m=h.device,_=m.createBufferImpl(Ox|ct);_.allocate(m,p);const g={texture:this.gpuTexture,mipLevel:a,origin:[e,t,n]},v={buffer:_.buffer,offset:0,bytesPerRow:f},x={width:s,height:i,depthOrArrayLayers:1};return m.getCommandEncoder().copyTextureToBuffer(g,v,x),m.readBuffer(_,p,null,c).then(S=>{const T=ng(h.format),w=o?.buffer??new ArrayBuffer(i*u),C=new Uint8Array(w,o?.byteOffset??0,i*u);for(let b=0;b<i;b++){const I=b*f,P=b*u;C.set(S.subarray(I,I+u),P)}return o??new T(w)})}}class MA extends wf{constructor(e){super(IE)}unlock(e){const t=e.device;super.unlock(t,e.storageInt32.buffer)}}class RA extends wf{constructor(e,t,s){super(PE|(s?.storage?$_:0))}unlock(e){const t=e.device;super.unlock(t,e.storage)}}const ai=/[ \t]*#(ifn?def|if|endif|else|elif|define|undef|extension|include)/g,ip=/define[ \t]+([^\n]+)\r?(?:\n|$)/g,Kv=/extension[ \t]+([\w-]+)[ \t]*:[ \t]*(enable|require)/g,rp=/undef[ \t]+([^\n]+)\r?(?:\n|$)/g,ap=/(ifdef|ifndef|if)[ \t]*([^\r\n]+)\r?\n/g,np=/(endif|else|elif)(?:[ \t]+([^\r\n]*))?\r?\n?/g,Zv=/\{?[\w-]+\}?/,LA=/(!|\s)?defined\(([\w-]+)\)/,FA=/!?defined\s*\([^)]*\)/g,OA=/!?defined\s*$/,BA=/([a-z_]\w

81*)\s*(==|!=|<|<=|>|>=)\s*([\w"']+)/i,NA=/[+\-]/g,op=/include[ \t]+"([\w-]+)(?:\s*,\s*([\w-]+))?"/g,kA=/\{i\}/g,Qv=/(pcFragColor[1-8])\b/g,UA=/^\d+(?:\.\d+)?$/;class Vt{static sourceName;static run(e,t=new Map,s={}){Vt.sourceName=s.sourceName,e=this.stripComments(e),e=e.split(/\r?\n/).map(n=>n.trimEnd()).join(`
82`);const i=new Map,r=new Map;if(e=this._preprocess(e,i,r,t,s.stripDefines),e===null)return null;const a=new Map;return i.forEach((n,o)=>{Number.isInteger(parseFloat(n))&&!n.includes(".")&&a.set(o,n)}),e=this.stripComments(e),e=this.stripUnusedColorAttachments(e,s),e=this.RemoveEmptyLines(e),e=this.processArraySize(e,a),e=this.injectDefines(e,r),e}static stripUnusedColorAttachments(e,t){if(t.stripUnusedColorAttachments){const s=new Map;if(e.match(Qv)?.forEach(a=>{const n=parseInt(a.charAt(a.length-1),10);s.set(n,(s.get(n)??0)+1)}),Array.from(s.values()).some(a=>a===1)){const a=e.split(`
83`),n=[];for(let o=0;o<a.length;o++){const c=a[o].match(Qv);if(c){const h=parseInt(c[0].charAt(c[0].length-1),10);if(h>0&&s.get(h)===1)continue}n.push(a[o])}e=n.join(`
84`)}}return e}static stripComments(e){return e.replace(/\/\*[\s\S]*?\*\/|([^\\:]|^)\/\/.*$/gm,"$1")}static processArraySize(e,t){return e!==null&&t.forEach((s,i)=>{e=e.replace(new RegExp(`\\[${i}\\]`,"g"),`[${s}]`)}),e}static injectDefines(e,t){if(e!==null&&t.size>0){const s=e.split(`
85`);t.forEach((i,r)=>{const a=new RegExp(r,"g");for(let n=0;n<s.length;n++)s[n].includes("#")||(s[n]=s[n].replace(a,i))}),e=s.join(`
86`)}return e}static RemoveEmptyLines(e){return e!==null&&(e=e.split(/\r?\n/).map(t=>t.trim()===""?"":t).join(`
87`),e=e.replace(/(\n\n){3,}/g,`
88
89`)),e}static _preprocess(e,t=new Map,s,i,r){const a=e,n=[];let o=!1,c;for(;(c=ai.exec(e))!==null&&!o;){const h=c[1];switch(h){case"define":{ip.lastIndex=c.index;const d=ip.exec(e);o||(o=d===null);const u=d[1];Zv.lastIndex=d.index;const p=Zv.exec(u)[0];let m=u.substring(p.length).trim();m===""&&(m="true");const _=Vt._keep(n);let g=r;if(_){const v=p.startsWith("{")&&p.endsWith("}");v&&(g=!0),v?s.set(p,m):t.set(p,m),g&&(e=e.substring(0,d.index-1)+e.substring(ip.lastIndex),ai.lastIndex=d.index-1)}g||(ai.lastIndex=d.index+d[0].length);break}case"undef":{rp.lastIndex=c.index;const d=rp.exec(e),u=d[1].trim();Vt._keep(n)&&(t.delete(u),r&&(e=e.substring(0,d.index-1)+e.substring(rp.lastIndex),ai.lastIndex=d.index-1)),r||(ai.lastIndex=d.index+d[0].length);break}case"extension":{Kv.lastIndex=c.index;const d=Kv.exec(e);if(o||(o=d===null),d){const u=d[1];Vt._keep(n)&&t.set(u,"true")}ai.lastIndex=d.index+d[0].length;break}case"ifdef":case"ifndef":case"if":{ap.lastIndex=c.index;const d=ap.exec(e),u=d[2],f=Vt.evaluate(u,t);o||(o=f.error);let p=f.result;h==="ifndef"&&(p=!p),n.push({anyKeep:p,keep:p,start:c.index,end:ap.lastIndex}),ai.lastIndex=d.index+d[0].length;break}case"endif":case"else":case"elif":{np.lastIndex=c.index;const d=np.exec(e),u=n.pop();if(!u){console.error(`Shader preprocessing encountered "#${d[1]}" without a preceding #if #ifdef #ifndef while preprocessing ${Vt.sourceName} on line:
90 ${e.substring(c.index,c.index+100)}...`,{source:a}),o=!0;continue}const f=u.keep?e.substring(u.end,c.index):"";e=e.substring(0,u.start)+f+e.substring(np.lastIndex),ai.lastIndex=u.start+f.length;const p=d[1];if(p==="else"||p==="elif"){let m=!1;if(!u.anyKeep)if(p==="else")m=!u.keep;else{const _=Vt.evaluate(d[2],t);m=_.result,o||(o=_.error)}n.push({anyKeep:u.anyKeep||m,keep:m,start:ai.lastIndex,end:ai.lastIndex})}break}case"include":{op.lastIndex=c.index;const d=op.exec(e);if(o||(o=d===null),!d){o=!0;continue}const u=d[1].trim(),f=d[2]?.trim();if(Vt._keep(n)){let m=i?.get(u);if(m!==void 0){if(m=this.stripComments(m),f){const _=t.get(f),g=parseFloat(_);if(Number.isInteger(g)){let v="";for(let x=0;x<g;x++)v+=m.replace(kA,String(x));m=v}else console.error(`Include Count identifier "${f}" not resolved while preprocessing ${Vt.sourceName} on line:
91 ${e.substring(c.index,c.index+100)}...`,{originalSource:a,source:e}),o=!0}e=e.substring(0,d.index-1)+m+e.substring(op.lastIndex),ai.lastIndex=d.index-1}else{console.error(`Include "${u}" not resolved while preprocessing ${Vt.sourceName}`,{originalSource:a,source:e}),o=!0;continue}}break}}}return n.length>0&&(console.error(`Shader preprocessing reached the end of the file without encountering the necessary #endif to close a preceding #if, #ifdef, or #ifndef block. ${Vt.sourceName}`),o=!0),o?(console.error("Failed to preprocess shader: ",{source:a}),null):e}static _keep(e){for(let t=0;t<e.length;t++)if(!e[t].keep)return!1;return!0}static evaluateAtomicExpression(e,t){let s=!1;e=e.trim();let i=!1;if(e==="true")return{result:!0,error:s};if(e==="false")return{result:!1,error:s};if(UA.test(e))return{result:parseFloat(e)!==0,error:s};const r=LA.exec(e);if(r){i=r[1]==="!",e=r[2].trim();const o=t.has(e);return{result:i?!o:o,error:s}}const a=BA.exec(e);if(a){const o=t.get(a[1].trim())??a[1].trim(),c=t.get(a[3].trim())??a[3].trim(),h=a[2].trim();let d=!1;switch(h){case"==":d=o===c;break;case"!=":d=o!==c;break;case"<":d=o<c;break;case"<=":d=o<=c;break;case">":d=o>c;break;case">=":d=o>=c;break;default:s=!0}

91return{result:d,error:s}}return{result:t.has(e),error:s}}static processParentheses(e,t){let s=!1,i=e.trim();for(;i.startsWith("(")&&i.endsWith(")");){let r=0,a=!0;for(let n=0;n<i.length-1;n++)if(i[n]==="(")r++;else if(i[n]===")"&&(r--,r===0)){a=!1;break}if(a)i=i.slice(1,-1).trim();else break}for(;;){let r=!1,a=0,n=0,o=-1,c=-1,h=0;for(let p=0;p<i.length;p++)if(i[p]==="("){const m=i.substring(0,p);OA.test(m)?h++:h===0&&(a++,a>n&&(n=a,o=p),r=!0)}else i[p]===")"&&(h>0?h--:a>0&&(a===n&&o!==-1&&(c=p),a--));if(!r||o===-1||c===-1)break;const d=i.substring(o+1,c),{result:u,error:f}=Vt.evaluate(d,t);s=s||f,i=i.substring(0,o)+(u?"true":"false")+i.substring(c+1)}return{expression:i,error:s}}static evaluate(e,t){const s=NA.exec(e)===null;let i=e,r=!1;if(e.replace(FA,"").indexOf("(")!==-1){const o=Vt.processParentheses(e,t);i=o.expression,r=o.error}if(r)return{result:!1,error:!0};const n=i.split("||");for(const o of n){const c=o.split("&&");let h=!0;for(const d of c){const{result:u,error:f}=Vt.evaluateAtomicExpression(d.trim(),t);if(!u||f){h=!1;break}}if(h)return{result:!0,error:!s}}return{result:!1,error:!s}}}var sT=`
92#ifndef outType_0
93#define outType_0 vec4
94#endif
95layout(location = 0) out highp outType_0 pcFragColor0;
96#if COLOR_ATTACHMENT_1
97layout(location = 1) out highp outType_1 pcFragColor1;
98#endif
99#if COLOR_ATTACHMENT_2
100layout(location = 2) out highp outType_2 pcFragColor2;
101#endif
102#if COLOR_ATTACHMENT_3
103layout(location = 3) out highp outType_3 pcFragColor3;
104#endif
105#if COLOR_ATTACHMENT_4
106layout(location = 4) out highp outType_4 pcFragColor4;
107#endif
108#if COLOR_ATTACHMENT_5
109layout(location = 5) out highp outType_5 pcFragColor5;
110#endif
111#if COLOR_ATTACHMENT_6
112layout(location = 6) out highp outType_6 pcFragColor6;
113#endif
114#if COLOR_ATTACHMENT_7
115layout(location = 7) out highp outType_7 pcFragColor7;
116#endif
117#define gl_FragColor pcFragColor0
118#define varying in
119#define texture2D texture
120#define texture2DBias texture
121#define textureCube texture
122#define texture2DProj textureProj
123#define texture2DLod textureLod
124#define texture2DProjLod textureProjLod
125#define textureCubeLod textureLod
126#define texture2DGrad textureGrad
127#define texture2DProjGrad textureProjGrad
128#define textureCubeGrad textureGrad
129#define utexture2D texture
130#define itexture2D texture
131#define texture2DLodEXT texture2DLodEXT_is_no_longer_supported_use_texture2DLod_instead
132#define texture2DProjLodEXT texture2DProjLodEXT_is_no_longer_supported_use_texture2DProjLod
133#define textureCubeLodEXT textureCubeLodEXT_is_no_longer_supported_use_textureCubeLod_instead
134#define texture2DGradEXT texture2DGradEXT_is_no_longer_supported_use_texture2DGrad_instead
135#define texture2DProjGradEXT texture2DProjGradEXT_is_no_longer_supported_use_texture2DProjGrad_instead
136#define textureCubeGradEXT textureCubeGradEXT_is_no_longer_supported_use_textureCubeGrad_instead
137#define textureShadow(res, uv) textureGrad(res, uv, vec2(1, 1), vec2(1, 1))
138#define SHADOWMAP_PASS(name) name
139#define SHADOWMAP_ACCEPT(name) sampler2DShadow name
140#define TEXTURE_PASS(name) name
141#define TEXTURE_ACCEPT(name) sampler2D name
142#define TEXTURE_ACCEPT_HIGHP(name) highp sampler2D name
143#define GL2
144`,iT=`
145#extension GL_ANGLE_multi_draw : enable
146#define attribute in
147#define varying out
148#define texture2D texture
149#define utexture2D texture
150#define itexture2D texture
151#define GL2
152#define VERTEXSHADER
153#define TEXTURE_PASS(name) name
154#define TEXTURE_ACCEPT(name) sampler2D name
155#define TEXTURE_ACCEPT_HIGHP(name) highp sampler2D name
156`,rT=`
157#extension GL_EXT_samplerless_texture_functions : require
158#ifndef outType_0
159#define outType_0 vec4
160#endif
161#ifndef outType_1
162#define outType_1 vec4
163#endif
164#ifndef outType_2
165#define outType_2 vec4
166#endif
167#ifndef outType_3
168#define outType_3 vec4
169#endif
170#ifndef outType_4
171#define outType_4 vec4
172#endif
173#ifndef outType_5
174#define outType_5 vec4
175#endif
176#ifndef outType_6
177#define outType_6 vec4
178#endif
179#ifndef outType_7
180#define outType_7 vec4
181#endif
182layout(location = 0) out highp outType_0 pcFragColor0;
183layout(location = 1) out highp outType_1 pcFragColor1;
184layout(location = 2) out highp outType_2 pcFragColor2;
185layout(location = 3) out highp outType_3 pcFragColor3;
186layout(location = 4) out highp outType_4 pcFragColor4;
187layout(location = 5) out highp outType_5 pcFragColor5;
188layout(location = 6) out highp outType_6 pcFragColor6;
189layout(location = 7) out highp outType_7 pcFragColor7;
190#define gl_FragColor pcFragColor0
191#define texture2D(res, uv) texture(sampler2D(res, res ## _sampler), uv)
192#define texture2DBias(res, uv, bias) texture(sampler2D(res, res ## _sampler), uv, bias)
193#define texture2DLod(res, uv, lod) textureLod(sampler2D(res, res ## _sampler), uv, lod)
194#define textureCube(res, uv) texture(samplerCube(res, res ## _sampler), uv)
195#define textureCubeLod(res, uv, lod) textureLod(samplerCube(res, res ## _sampler), uv, lod)
196#define textureShadow(res, uv) textureLod(sampler2DShadow(res, res ## _sampler), uv, 0.0)
197#define itexture2D(res, uv) texture(isampler2D(res, res ## _sampler), uv)
198#define utexture2D(res, uv) texture(usampler2D(res, res ## _sampler), uv)
199#define texture2DLodEXT texture2DLodEXT_is_no_longer_supported_use_texture2DLod_instead
200#define texture2DProjLodEXT texture2DProjLodEXT_is_no_longer_supported_use_texture2DProjLod
201#define textureCubeLodEXT textureCubeLodEXT_is_no_longer_supported_use_textureCubeLod_instead
202#define texture2DGradEXT texture2DGradEXT_is_no_longer_supported_use_texture2DGrad_instead
203#define texture2DProjGradEXT texture2DProjGradEXT_is_no_longer_supported_use_texture2DProjGrad_instead
204#define textureCubeGradEXT textureCubeGradEXT_is_no_longer_supported_use_textureCubeGrad_instead
205#define SHADOWMAP_PASS(name) name, name ## _sampler
206#define SHADOWMAP_ACCEPT(name) texture2D name, sampler name ## _sampler
207#define TEXTURE_PASS(name) name, name ## _sampler
208#define TEXTURE_ACCEPT(name) texture2D name, sampler name ## _sampler
209#define TEXTURE_ACCEPT_HIGHP TEXTURE_ACCEPT
210#define GL2
211#define WEBGPU
212`,aT=`
213#extension GL_EXT_samplerless_texture_functions : require
214#define texture2D(res, uv) texture(sampler2D(res, res ## _sampler), uv)
215#define itexture2D(res, uv) texture(isampler2D(res, res ## _sampler), uv)
216#define utexture2D(res, uv) texture(usampler2D(res, res ## _sampler), uv)
217#define TEXTURE_PASS(name) name, name ## _sampler
218#define TEXTURE_ACCEPT(name) texture2D name, sampler name ## _sampler
219#define TEXTURE_ACCEPT_HIGHP TEXTURE_ACCEPT
220#define GL2
221#define WEBGPU
222#define VERTEXSHADER
223#define gl_VertexID gl_VertexIndex
224#define gl_InstanceID gl_InstanceIndex
225`,nT=`
226`,oT=`
227#define VERTEXSHADER
228`,Jv=`
229vec2 getGrabScreenPos(vec4 clipPos) {
230	vec2 uv = (clipPos.xy / clipPos.w) * 0.5 + 0.5;
231	#ifdef WEBGPU
232		uv.y = 1.0 - uv.y;
233	#endif
234	return uv;
235}

236vec2 getImageEffectUV(vec2 uv) {
237	#ifdef WEBGPU
238		uv.y = 1.0 - uv.y;
239	#endif
240	return uv;
241}
242`,eS=`
243#define WEBGPU
244fn getGrabScreenPos(clipPos: vec4<f32>) -> vec2<f32> {
245	var uv: vec2<f32> = (clipPos.xy / clipPos.w) * 0.5 + vec2<f32>(0.5);
246	uv.y = 1.0 - uv.y;
247	return uv;
248}
249fn getImageEffectUV(uv: vec2<f32>) -> vec2<f32> {
250	var modifiedUV: vec2<f32> = uv;
251	modifiedUV.y = 1.0 - modifiedUV.y;
252	return modifiedUV;
253}
254struct WrappedF32 { @size(16) element: f32 }
255struct WrappedI32 { @size(16) element: i32 }
256struct WrappedU32 { @size(16) element: u32 }
257struct WrappedVec2F { @size(16) element: vec2f }
258struct WrappedVec2I { @size(16) element: vec2i }
259struct WrappedVec2U { @size(16) element: vec2u }
260`,Xm=`
261#ifdef CAPS_SHADER_F16
262	alias half = f16;
263	alias half2 = vec2<f16>;
264	alias half3 = vec3<f16>;
265	alias half4 = vec4<f16>;
266	alias half2x2 = mat2x2<f16>;
267	alias half3x3 = mat3x3<f16>;
268	alias half4x4 = mat4x4<f16>;
269#else
270	alias half = f32;
271	alias half2 = vec2f;
272	alias half3 = vec3f;
273	alias half4 = vec4f;
274	alias half2x2 = mat2x2f;
275	alias half3x3 = mat3x3f;
276	alias half4x4 = mat4x4f;
277#endif
278`;const zA={vertex_position:Ie,vertex_normal:Cs,vertex_tangent:Gi,vertex_texCoord0:Zs,vertex_texCoord1:pn,vertex_texCoord2:Uc,vertex_texCoord3:zc,vertex_texCoord4:Vc,vertex_texCoord5:Gc,vertex_texCoord6:Hc,vertex_texCoord7:Wc,vertex_color:ns,vertex_boneIndices:Bs,vertex_boneWeights:ki};class Ht{static createDefinition(e,t){const s=u=>{let f=u.fragmentOutputTypes??"vec4";return Array.isArray(f)||(f=[f]),f},i=(u,f,p,m)=>{const _=e.isWebGPU?u:f;let g="";if(!p){const v=s(m);for(let x=0;x<e.maxColorAttachments;x++){g+=`#define COLOR_ATTACHMENT_${x}
279`;const y=v[x]??"vec4";g+=`#define outType_${x} ${y}
280`}}return g+_},r=(u,f)=>{let p=Ht.getWGSLEnables(e,u?"vertex":"fragment");if(!u){const m=s(f);for(let _=0;_<e.maxColorAttachments;_++){const g=m[_]??"vec4",v=Zx.get(g);p+=`alias pcOutType${_} = ${v};
281`}}return p},a=t.name??"Untitled";let n,o;const c=Ht.getDefinesCode(e,t.vertexDefines),h=Ht.getDefinesCode(e,t.fragmentDefines);return t.shaderLanguage===de?(n=`
282								${r(!0,t)}
283								${c}
284								${Xm}
285								${oT}
286								${eS}
287								${t.vertexCode}
288						`,o=`
289								${r(!1,t)}
290								${h}
291								${Xm}
292								${nT}
293								${eS}
294								${t.fragmentCode}
295						`):(n=`${Ht.versionCode(e)+i(aT,iT,!0,t)+c+Ht.precisionCode(e)}
296								${Jv}
297								${Ht.getShaderNameCode(a)}
298								${t.vertexCode}`,o=`${(t.fragmentPreamble||"")+Ht.versionCode(e)+i(rT,sT,!1,t)+h+Ht.precisionCode(e)}
299								${Jv}
300								${Ht.getShaderNameCode(a)}
301								${t.fragmentCode}`),{name:a,shaderLanguage:t.shaderLanguage??ze,attributes:t.attributes,vshader:n,vincludes:t.vertexIncludes,fincludes:t.fragmentIncludes,fshader:o,feedbackVaryings:t.feedbackVaryings,useTransformFeedback:t.useTransformFeedback,meshUniformBufferFormat:t.meshUniformBufferFormat,meshBindGroupFormat:t.meshBindGroupFormat}}static getWGSLEnables(e,t){let s="";return e.supportsShaderF16&&(s+=`enable f16;
302`),t==="fragment"&&e.supportsPrimitiveIndex&&(s+=`enable primitive_index;
303`),e.supportsSubgroups&&(s+=`enable subgroups;
304`),e.supportsSubgroupId&&(s+=`requires subgroup_id;
305`),t==="compute"&&e.supportsLinearIndexing&&(s+=`requires linear_indexing;
306`),e.supportsUnrestrictedPointerParameters&&(s+=`requires unrestricted_pointer_parameters;
307`),e.supportsPointerCompositeAccess&&(s+=`requires pointer_composite_access;
308`),e.supportsPacked4x8IntegerDotProduct&&(s+=`requires packed_4x8_integer_dot_product;
309`),e.supportsTextureAndSamplerLet&&(s+=`requires texture_and_sampler_let;
310`),s}static getDefinesCode(e,t){let s="";return e.capsDefines.forEach((i,r)=>{s+=`#define ${r} ${i}
311`}),s+=`
312`,t?.forEach((i,r)=>{s+=`#define ${r} ${i}
313`}),s+=`
314`,s}static getShaderNameCode(e){return`#define SHADER_NAME ${e}
315`}static versionCode(e){return e.isWebGPU?`#version 450
316`:`#version 300 es
317`}static precisionCode(e,t){t&&t!=="highp"&&t!=="mediump"&&t!=="lowp"&&(t=null),t&&(t==="highp"&&e.maxPrecision!=="highp"&&(t="mediump"),t==="mediump"&&e.maxPrecision==="lowp"&&(t="lowp"));const s=t||e.precision;return`
318						precision ${s} float;
319						precision ${s} int;
320						precision ${s} usampler2D;
321						precision ${s} isampler2D;
322						precision ${s} sampler2DShadow;
323						precision ${s} samplerCubeShadow;
324						precision ${s} sampler2DArray;
325				`}static collectAttributes(e){const t={};let s=0,i=e.indexOf("attribute");for(;i>=0&&!(i>0&&e[i-1]==="/");){let r=!1;if(i>0){let a=e.lastIndexOf(`
326`,i);a=a!==-1?a+1:0,e.substring(a,i).includes("#")&&(r=!0)}if(!r){const a=e.indexOf(";",i),n=e.lastIndexOf(" ",a),o=e.substring(n+1,a);if(!t[o]){const c=zA[o];c!==void 0?t[o]=c:(t[o]=`ATTR${s}`,s++)}}i=e.indexOf("attribute",i+1)}return t}}let VA=0;class tt{meshUniformBufferFormat;meshBindGroupFormat;attributes=new Map;constructor(e,t){if(this.id=VA++,this.device=e,this.definition=t,this.name=t.name||"Untitled",this.init(),t.cshader){const s=Ht.getWGSLEnables(e,"compute"),i=Ht.getDefinesCode(e,t.cdefines),r=s+i+t.cshader,a=t.cincludes??new Map;a.has("halfTypesCS")||a.set("halfTypesCS",Xm),t.cshader=Vt.run(r,a,{sourceName:`compute shader for ${this.label}`,stripDefines:!0})}else{const s=t.shaderLanguage===de;t.vshader=Vt.run(t.vshader,t.vincludes,{sourceName:`vertex shader for ${this.label}`,stripDefines:s}),t.shaderLanguage===ze&&(t.attributes??(t.attributes=Ht.collectAttributes(t.vshader)));const i=e.isWebGL2&&(Ce.name==="osx"||Ce.name==="ios");if(t.fshader=Vt.run(t.fshader,t.fincludes,{stripUnusedColorAttachments:i,stripDefines:s,sourceName:`fragment shader for ${this.label}`}),!t.vshader||!t.fshader){this.failed=!0;return}}this.impl=e.createShaderImpl(this)}init(){this.ready=!1,this.failed=!1}get label(){return`Shader Id ${this.id} (${this.definition.shaderLanguage===de?"WGSL":"GLSL"}) ${this.name}`}destroy(){this.device.onDestroyShader(this),this.impl.destroy(this)}loseContext(){this.init(),this.impl.loseContext()}restoreContext(){this.impl.restoreContext(this.device,this)}}class GA{gpuBuffer;stagingBuffer;offset;size}class HA{storage;gpuBuffer;offset}class WA{bufferSize;gpuBuffers=[];stagingBuffers=[];usedBuffers=[];activeBuffer=null;constructor(e,t,s){this.device=e,this.bufferSize=t,this.bufferAlignment=s}

326destroy(){this.gpuBuffers.forEach(e=>{e.destroy(this.device)}),this.gpuBuffers=null,this.stagingBuffers.forEach(e=>{e.destroy(this.device)}),this.stagingBuffers=null,this.usedBuffers=null,this.activeBuffer=null}alloc(e,t){if(this.activeBuffer){const r=H.roundUp(this.activeBuffer.size,this.bufferAlignment);this.bufferSize-r<t&&this.scheduleSubmit()}if(!this.activeBuffer){let r=this.gpuBuffers.pop();r||(r=this.createBuffer(this.device,this.bufferSize,!1));let a=this.stagingBuffers.pop();a||(a=this.createBuffer(this.device,this.bufferSize,!0)),this.activeBuffer=new GA,this.activeBuffer.stagingBuffer=a,this.activeBuffer.gpuBuffer=r,this.activeBuffer.offset=0,this.activeBuffer.size=0}const s=this.activeBuffer,i=H.roundUp(s.size,this.bufferAlignment);e.gpuBuffer=s.gpuBuffer,e.offset=i,e.storage=s.stagingBuffer.alloc(i,t),s.size=i+t}scheduleSubmit(){this.activeBuffer&&(this.usedBuffers.push(this.activeBuffer),this.activeBuffer=null)}submit(){this.scheduleSubmit()}}const qe=[];qe[me]=function(l,e,t){const s=l.storageFloat32;s[t]=e};qe[sn]=(l,e,t)=>{const s=l.storageFloat32;s[t]=e[0],s[t+1]=e[1]};qe[hs]=(l,e,t)=>{const s=l.storageFloat32;s[t]=e[0],s[t+1]=e[1],s[t+2]=e[2]};qe[Cr]=(l,e,t)=>{const s=l.storageFloat32;s[t]=e[0],s[t+1]=e[1],s[t+2]=e[2],s[t+3]=e[3]};qe[_r]=function(l,e,t){const s=l.storageInt32;s[t]=e};qe[$a]=function(l,e,t){const s=l.storageInt32;s[t]=e[0],s[t+1]=e[1]};qe[gr]=function(l,e,t){const s=l.storageInt32;s[t]=e[0],s[t+1]=e[1],s[t+2]=e[2]};qe[Ka]=function(l,e,t){const s=l.storageInt32;s[t]=e[0],s[t+1]=e[1],s[t+2]=e[2],s[t+3]=e[3]};qe[su]=(l,e,t)=>{const s=l.storageFloat32;s[t]=e[0],s[t+1]=e[1],s[t+4]=e[2],s[t+5]=e[3],s[t+8]=e[4],s[t+9]=e[5]};qe[Do]=(l,e,t)=>{const s=l.storageFloat32;s[t]=e[0],s[t+1]=e[1],s[t+2]=e[2],s[t+4]=e[3],s[t+5]=e[4],s[t+6]=e[5],s[t+8]=e[6],s[t+9]=e[7],s[t+10]=e[8]};qe[df]=function(l,e,t,s){const i=l.storageFloat32;for(let r=0;r<s;r++)i[t+r*4]=e[r]};qe[uf]=(l,e,t,s)=>{const i=l.storageFloat32;for(let r=0;r<s;r++)i[t+r*4]=e[r*2],i[t+r*4+1]=e[r*2+1]};qe[ff]=(l,e,t,s)=>{const i=l.storageFloat32;for(let r=0;r<s;r++)i[t+r*4]=e[r*3],i[t+r*4+1]=e[r*3+1],i[t+r*4+2]=e[r*3+2]};qe[le]=(l,e,t,s)=>{const i=l.storageUint32;i[t]=e};qe[Mo]=(l,e,t,s)=>{const i=l.storageUint32;i[t]=e[0],i[t+1]=e[1]};qe[Ro]=(l,e,t,s)=>{const i=l.storageUint32;i[t]=e[0],i[t+1]=e[1],i[t+2]=e[2]};qe[oa]=(l,e,t,s)=>{const i=l.storageUint32;i[t]=e[0],i[t+1]=e[1],i[t+2]=e[2],i[t+3]=e[3]};qe[Lo]=function(l,e,t,s){const i=l.storageInt32;for(let r=0;r<s;r++)i[t+r*4]=e[r]};qe[mf]=qe[Lo];qe[pf]=function(l,e,t,s){const i=l.storageUint32;for(let r=0;r<s;r++)i[t+r*4]=e[r]};qe[Fo]=(l,e,t,s)=>{const i=l.storageInt32;for(let r=0;r<s;r++)i[t+r*4]=e[r*2],i[t+r*4+1]=e[r*2+1]};qe[gf]=qe[Fo];qe[_f]=(l,e,t,s)=>{const i=l.storageUint32;for(let r=0;r<s;r++)i[t+r*4]=e[r*2],i[t+r*4+1]=e[r*2+1]};qe[Oo]=(l,e,t,s)=>{const i=l.storageInt32;for(let r=0;r<s;r++)i[t+r*4]=e[r*3],i[t+r*4+1]=e[r*3+1],i[t+r*4+2]=e[r*3+2]};qe[Sf]=qe[Oo];qe[vf]=(l,e,t,s)=>{const i=l.storageUint32;for(let r=0;r<s;r++)i[t+r*4]=e[r*3],i[t+r*4+1]=e[r*3+1],i[t+r*4+2]=e[r*3+2]};class jc{device;persistent;allocation;storageFloat32;storageInt32;storageUint32;renderVersionDirty=0;constructor(e,t,s=!0){if(this.device=e,this.format=t,this.persistent=s,s){this.impl=e.createUniformBufferImpl(this);const i=new ArrayBuffer(t.byteSize);this.assignStorage(new Int32Array(i)),e._vram.ub+=this.format.byteSize}else this.allocation=new HA}destroy(){if(this.persistent){const e=this.device;this.impl.destroy(e),e._vram.ub-=this.format.byteSize}}get offset(){return this.persistent?0:this.allocation.offset}assignStorage(e){this.storageInt32=e,this.storageUint32=new Uint32Array(e.buffer,e.byteOffset,e.byteLength/4),this.storageFloat32=new Float32Array(e.buffer,e.byteOffset,e.byteLength/4)}loseContext(){this.impl?.loseContext()}setUniform(e,t){const s=e.offset;if(t!=null){const i=qe[e.updateType];i?i(this,t,s,e.count):this.storageFloat32.set(t,s)}}set(e,t){const s=this.format.map.get(e);s&&this.setUniform(s,t)}startUpdate(e){if(!this.persistent){const t=this.allocation,s=t.gpuBuffer;this.device.dynamicBuffers.alloc(t,this.format.byteSize),this.assignStorage(t.storage),e&&(e.bindGroup=t.gpuBuffer.getBindGroup(this),e.offsets[0]=t.offset),s!==t.gpuBuffer&&(this.renderVersionDirty=this.device.renderVersion)}}endUpdate(){this.persistent?this.impl.unlock(this):(this.storageFloat32=null,this.storageInt32=null)}

326update(e){this.startUpdate(e);const t=this.format.uniforms;for(let s=0;s<t.length;s++){const i=t[s].scopeId.value;this.setUniform(t[s],i)}this.endUpdate()}}const XA={type:Tr,base:0,baseVertex:0,count:4,indexed:!1};class YA{constructor(e){const t=`
327
328						struct ub_mesh {
329								color : vec4f,
330								depth: f32
331						}
332
333						@group(2) @binding(0) var<uniform> ubMesh : ub_mesh;
334
335						var<private> pos : array<vec2f, 4> = array<vec2f, 4>(
336								vec2(-1.0, 1.0), vec2(1.0, 1.0),
337								vec2(-1.0, -1.0), vec2(1.0, -1.0)
338						);
339
340						struct VertexOutput {
341								@builtin(position) position : vec4f
342						}
343
344						@vertex
345						fn vertexMain(@builtin(vertex_index) vertexIndex : u32) -> VertexOutput {
346								var output : VertexOutput;
347								output.position = vec4(pos[vertexIndex], ubMesh.depth, 1.0);
348								return output;
349						}
350
351						@fragment
352						fn fragmentMain() -> @location(0) vec4f {
353								return ubMesh.color;
354						}
355				`;this.shader=new tt(e,{name:"WebGPUClearRendererShader",shaderLanguage:de,vshader:t,fshader:t}),this.uniformBuffer=new jc(e,new vt(e,[new X("color",Cr),new X("depth",me)]),!1),this.dynamicBindGroup=new Sg,this.colorData=new Float32Array(4)}destroy(){this.shader.destroy(),this.shader=null,this.uniformBuffer.destroy(),this.uniformBuffer=null}clear(e,t,s,i){s=s||i;const r=s.flags??i.flags;if(r!==0){const{uniformBuffer:a,dynamicBindGroup:n}=this;a.startUpdate(n),e.setBindGroup(Bo,n.bindGroup,n.offsets),e.setBindGroup(Yc,e.emptyBindGroup);let o;if(r&Jl&&(t.colorBuffer||t.impl.assignedColorTexture)){const h=s.color??i.color;this.colorData.set(h),o=xt.NOBLEND}else o=xt.NOWRITE;a.set("color",this.colorData);let c;if(r&ec&&t.depth){const h=s.depth??i.depth;a.set("depth",h),c=ds.WRITEDEPTH}else a.set("depth",1),c=ds.NODEPTH;r&Gd&&t.stencil,a.endUpdate(),e.setDrawStates(o,c),e.setShader(this.shader),e.draw(XA)}}}class jA{device;pipelineCache=new Map;constructor(e){this.device=e;const t=`
356 
357						var<private> pos : array<vec2f, 4> = array<vec2f, 4>(
358								vec2(-1.0, 1.0), vec2(1.0, 1.0),
359								vec2(-1.0, -1.0), vec2(1.0, -1.0)
360						);
361
362						struct VertexOutput {
363								@builtin(position) position : vec4f,
364								@location(0) texCoord : vec2f
365						};
366
367						@vertex
368						fn vertexMain(@builtin(vertex_index) vertexIndex : u32) -> VertexOutput {
369							var output : VertexOutput;
370							output.texCoord = pos[vertexIndex] * vec2f(0.5, -0.5) + vec2f(0.5);
371							output.position = vec4f(pos[vertexIndex], 0, 1);
372							return output;
373						}
374
375						@group(0) @binding(0) var imgSampler : sampler;
376						@group(0) @binding(1) var img : texture_2d<f32>;
377
378						@fragment
379						fn fragmentMain(@location(0) texCoord : vec2f) -> @location(0) vec4f {
380							return textureSample(img, imgSampler, texCoord);
381						}
382				`;this.shader=new tt(e,{name:"WebGPUMipmapRendererShader",shaderLanguage:de,vshader:t,fshader:t}),this.minSampler=e.wgpu.createSampler({minFilter:"linear"})}destroy(){this.shader.destroy(),this.shader=null,this.pipelineCache.clear()}generate(e){const t=e.desc;if(t.mipLevelCount<=1||e.texture.volume)return;const s=this.device,i=s.wgpu,r=t.format;let a=this.pipelineCache.get(r);if(!a){const d=this.shader.impl;a=i.createRenderPipeline({layout:"auto",vertex:{module:d.getVertexShaderModule(),entryPoint:d.vertexEntryPoint},fragment:{module:d.getFragmentShaderModule(),entryPoint:d.fragmentEntryPoint,targets:[{format:r}]},primitive:{topology:"triangle-strip"}}),this.pipelineCache.set(r,a)}const n=e.texture,o=n.cubemap?6:n.array?n.arrayLength:1,c=[];for(let d=0;d<o;d++)c.push(e.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:d}));const h=s.getCommandEncoder();for(let d=1;d<t.mipLevelCount;d++)for(let u=0;u<o;u++){const f=e.createView({dimension:"2d",baseMipLevel:d,mipLevelCount:1,baseArrayLayer:u}),p=h.beginRenderPass({colorAttachments:[{view:f,loadOp:"clear",storeOp:"store"}]}),m=i.createBindGroup({layout:a.getBindGroupLayout(0),entries:[{binding:0,resource:this.minSampler},{binding:1,resource:c[u]}]});p.setPipeline(a),p.setBindGroup(0,m),p.draw(4),p.end(),c[u]=f}s.pipeline=null}}class qA{device;bindGroupCache=new Map;constructor(e){this.device=e,this.bindGroupFormat=new Ze(this.device,[new At(yf,rn|an)])}getBindGroup(e){const t=e.format.byteSize;let s=this.bindGroupCache.get(t);return s||(s=new jo(this.device,this.bindGroupFormat,e),s.update(),this.bindGroupCache.set(t,s)),s}}class $A extends qA{buffer=null;mappedRange=null;constructor(e,t,s){super(e),this.buffer=e.wgpu.createBuffer({size:t,usage:s?GPUBufferUsage.MAP_WRITE|GPUBufferUsage.COPY_SRC:GP

382UBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,mappedAtCreation:s}),s&&this.onAvailable(),e._vram.ub+=t}destroy(e){e._vram.ub-=this.buffer.size,this.buffer.destroy(),this.buffer=null}onAvailable(){this.mappedRange=this.buffer.getMappedRange()}alloc(e,t){return new Int32Array(this.mappedRange,e,t/4)}}class KA extends WA{pendingStagingBuffers=[];createBuffer(e,t,s){return new $A(e,t,s)}submit(){super.submit();const e=this.usedBuffers.length;if(e){const t=this.device,s=this.gpuBuffers,i=t.wgpu.createCommandEncoder();for(let a=e-1;a>=0;a--){const n=this.usedBuffers[a],{stagingBuffer:o,gpuBuffer:c,offset:h,size:d}=n,u=o.buffer;u.unmap(),i.copyBufferToBuffer(u,h,c.buffer,h,d),s.push(c)}const r=i.finish();t.addCommandBuffer(r,!0);for(let a=0;a<e;a++){const n=this.usedBuffers[a].stagingBuffer;this.pendingStagingBuffers.push(n)}this.usedBuffers.length=0}}onCommandBuffersSubmitted(){const e=this.pendingStagingBuffers.length;if(e){for(let t=0;t<e;t++){const s=this.pendingStagingBuffers[t];s.buffer.mapAsync(GPUMapMode.WRITE).then(()=>{this.stagingBuffers&&(s.onAvailable(),this.stagingBuffers.push(s))})}this.pendingStagingBuffers.length=0}}}class lT{frameAllocations=[];pastFrameAllocations=new Map;_enabled=!1;_enableRequest=!1;_frameTime=0;_passTimings=new Map;_nameCache=new Map;maxCount=9999;loseContext(){this.pastFrameAllocations.clear()}set enabled(e){this._enableRequest=e}get enabled(){return this._enableRequest}get passTimings(){return this._passTimings}processEnableRequest(){this._enableRequest!==this._enabled&&(this._enabled=this._enableRequest,this._enabled||(this._frameTime=0))}request(e){this.pastFrameAllocations.set(e,this.frameAllocations),this.frameAllocations=[]}_parsePassName(e){let t=this._nameCache.get(e);return t===void 0&&(e.startsWith("RenderPass")?t=e.substring(10):t=e,this._nameCache.set(e,t)),t}report(e,t){if(t){const s=this.pastFrameAllocations.get(e);if(!s)return;t.length>0&&(this._frameTime=t.reduce((i,r)=>i+r,0)),this._passTimings.clear();for(let i=0;i<s.length;++i){const r=s[i],a=t[i],n=this._parsePassName(r);this._passTimings.set(n,(this._passTimings.get(n)||0)+a)}if(G_.get(QC)){let i=0;for(let r=0;r<s.length;++r)s[r],i+=t[r]}}this.pastFrameAllocations.delete(e)}getSlot(e){if(this.frameAllocations.length>=this.maxCount)return-1;const t=this.frameAllocations.length;return this.frameAllocations.push(e),t}get slotCount(){return this.frameAllocations.length}}class ZA{querySet;stagingBuffers=[];activeStagingBuffer=null;bytesPerSlot;constructor(e,t,s){this.device=e,this.capacity=s,this.bytesPerSlot=t?8:4;const i=e.wgpu;this.querySet=i.createQuerySet({type:t?"timestamp":"occlusion",count:s}),this.queryBuffer=i.createBuffer({size:this.bytesPerSlot*s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.STORAGE|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST})}destroy(){this.device.deferDestroy(this.querySet),this.querySet=null,this.device.deferDestroy(this.queryBuffer),this.queryBuffer=null,this.activeStagingBuffer=null,this.stagingBuffers.forEach(e=>{e.destroy()}),this.stagingBuffers=null}getStagingBuffer(){let e=this.stagingBuffers.pop();return e||(e=this.device.wgpu.createBuffer({size:this.queryBuffer.size,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})),e}resolve(e){const s=this.device.getCommandEncoder();s.resolveQuerySet(this.querySet,0,e,this.queryBuffer,0);const i=this.getStagingBuffer();this.activeStagingBuffer=i,s.copyBufferToBuffer(this.queryBuffer,0,i,0,this.bytesPerSlot*e)}request(e,t){const s=this.activeStagingBuffer;return this.activeStagingBuffer=null,s.mapAsync(GPUMapMode.READ).then(()=>{const i=new BigInt64Array(s.getMappedRange()),r=[];for(let a=0;a<e;a++)r.push(Number(i[a*2+1]-i[a*2])*1e-6);return s.unmap(),this.stagingBuffers?.push(s),{renderVersion:t,timings:r}})}}class QA extends lT{device;frameGPUMarkerSlot;constructor(e){super(),this.device=e,this.maxCount=1024,this.timestampQueriesSet=e.supportsTimestampQuery?new ZA(e,!0,2*this.maxCount):null}destroy(){this.timestampQueriesSet?.destroy(),this.timestampQueriesSet=null}frameStart(){this.processEnableRequest()}frameEnd(){this._enabled&&this.timestampQueriesSet?.resolve(this.slotCount*2)}request(){if(this._enabled){const e=this.device.renderVersion;this.timestampQueriesSet?.request(this.slotCount,e).then(t=>{this.report(t.renderVersion,t.timings)}),super.request(e)}}}class JA{device;pipelineCache=new Map;constructor(e){this.device=e;const t=`
383 
384						var<private> pos : array<vec2f, 4> = array<vec2f, 4>(
385								vec2(-1.0, 1.0), vec2(1.0, 1.0), vec2(-1.0, -1.0), vec2(1.0, -1.0)
386						);
387
388						struct VertexOutput {
389								@builtin(position) position : vec4f,
390						};
391
392						@vertex
393						fn vertexMain(@builtin(vertex_index) vertexIndex : u32) -> VertexOutput {
394							var output : VertexOutput;
395							output.position = vec4f(pos[vertexIndex], 0, 1);
396							return output;
397						}
398
399						@group(0) @binding(0) var img : texture_depth_multisampled_2d;
400
401						@fragment
402						fn fragmentMain(@builtin(position) fragColor: vec4f) -> @location(0) vec4f {
403								// load th depth value from sample index 0
404								var depth = textureLoad(img, vec2i(fragColor.xy), 0u);
405								return vec4f(depth, 0.0, 0.0, 0.0);
406						}
407				`;this.shader=new tt(e,{name:"WebGPUResolverDepthShader",shaderLanguage:de,vshader:t,fshader:t})}destroy(){this.shader.destroy(),this.shader=null,this.pipelineCache=null}getPipeline(e){let t=this.pipelineCache.get(e);return t||(t=this.createPipeline(e),this.pipelineCache.set(e,t)),t}createPipeline(e){const t=this.shader.impl;return this.device.wgpu.createRenderPipeline({layout:"auto",vertex:{module:t.getVertexShaderModule(),entryPoint:t.vertexEntryPoint},fragment:{module:t.getFragmentShaderModule(),entryPoint:t.fragmentEntryPoint,targets:[{format:e}]}

407,primitive:{topology:"triangle-strip"}})}resolveDepth(e,t,s){const i=this.device,r=i.wgpu,a=this.getPipeline(s.format),n=t.depthOrArrayLayers;for(let o=0;o<n;o++){const c=t.createView({dimension:"2d",aspect:"depth-only",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:o}),h=s.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:o}),d=e.beginRenderPass({colorAttachments:[{view:h,loadOp:"clear",storeOp:"store"}]}),u=r.createBindGroup({layout:a.getBindGroupLayout(0),entries:[{binding:0,resource:c}]});d.setPipeline(a),d.setBindGroup(0,u),d.draw(4),d.end()}i.pipeline=null}}const eP=12;class tP{uniformBuffers=[];bindGroup=null;constructor(e){this.compute=e;const{device:t,shader:s}=e,{computeBindGroupFormat:i,computeUniformBufferFormats:r}=s.impl;if(this.bindGroup=new jo(t,i),r){for(const a in r)if(r.hasOwnProperty(a)){const n=new jc(t,r[a],!0);this.uniformBuffers.push(n),this.bindGroup.setUniformBuffer(a,n)}}this.pipeline=t.computePipeline.get(s,i)}destroy(){this.uniformBuffers.forEach(e=>e.destroy()),this.uniformBuffers.length=0,this.bindGroup.destroy(),this.bindGroup=null}updateBindGroup(){const{bindGroup:e}=this;e.updateUniformBuffers(),e.update()}dispatch(e,t,s){const i=this.compute.device;i.setBindGroup(0,this.bindGroup);const r=i.passEncoder;r.setPipeline(this.pipeline);const{indirectSlotIndex:a,indirectBuffer:n,indirectFrameStamp:o}=this.compute;if(a>=0){let c;n?c=n.impl.buffer:c=i.indirectDispatchBuffer.impl.buffer;const h=a*eP;r.dispatchWorkgroupsIndirect(c,h)}else r.dispatchWorkgroups(e,t,s)}}class sP{device;gpuIndirect=null;gpuIndirectSigned=null;storage=null;constructor(e){this.device=e}allocate(e){this.gpuIndirect&&this.gpuIndirect.length===5*e||(this.storage?.destroy(),this.gpuIndirect=new Uint32Array(5*e),this.gpuIndirectSigned=new Int32Array(this.gpuIndirect.buffer),this.storage=new Se(this.device,this.gpuIndirect.byteLength,Po|ct))}add(e,t,s,i,r=0,a=0){const n=e*5;this.gpuIndirect[n+0]=t,this.gpuIndirect[n+1]=s,this.gpuIndirect[n+2]=i,this.gpuIndirectSigned[n+3]=r,this.gpuIndirect[n+4]=a}update(e){if(this.storage&&e>0){const s=e*5;this.storage.write(0,this.gpuIndirect,0,s)}return 0}destroy(){this.storage?.destroy(),this.storage=null}}class iP{availableStagingBuffers=[];pendingStagingBuffers=[];_destroyed=!1;_lastUploadSubmitVersion=-1;constructor(e){this.uploadStream=e,this.useSingleBuffer=e.useSingleBuffer}_onDeviceLost(){}destroy(){this._destroyed=!0,this.availableStagingBuffers.forEach(e=>e.destroy()),this.pendingStagingBuffers.forEach(e=>e.destroy())}update(e){const t=this.pendingStagingBuffers;for(let i=0;i<t.length;i++){const r=t[i];r.mapAsync(GPUMapMode.WRITE).then(()=>{this._destroyed?r.destroy():this.availableStagingBuffers.push(r)})}t.length=0;const s=this.availableStagingBuffers;for(let i=s.length-1;i>=0;i--)s[i].size<e&&(s[i].destroy(),s.splice(i,1))}upload(e,t,s,i){this.useSingleBuffer?this.uploadDirect(e,t,s,i):this.uploadStaging(e,t,s,i)}uploadDirect(e,t,s,i){const r=s*e.BYTES_PER_ELEMENT;i*e.BYTES_PER_ELEMENT,t.write(r,e,0,i)}uploadStaging(e,t,s,i){const r=this.uploadStream.device,a=s*e.BYTES_PER_ELEMENT,n=i*e.BYTES_PER_ELEMENT;this.pendingStagingBuffers.length>0,this.update(n);const o=this.availableStagingBuffers.pop()??this.uploadStream.device.wgpu.createBuffer({size:n,usage:GPUBufferUsage.MAP_WRITE|GPUBufferUsage.COPY_SRC,mappedAtCreation:!0}),c=o.getMappedRange();new Uint8Array(c).set(new Uint8Array(e.buffer,e.byteOffset,n)),o.unmap(),r.getCommandEncoder().copyBufferToBuffer(o,0,t.impl.buffer,a,n),this.pendingStagingBuffers.push(o),this._lastUploadSubmitVersion=r.submitVersion}}class rP{_binding=null;_layer=null;_cachedFramebufferSize=new j;constructor(e){this.xrBridge=e}destroy(e){this._binding=null,this._layer=null,this._cachedFramebufferSize.set(0,0),e._clearXrState()}beginFrame(e,t){const s=this.xrBridge.device;if(s._clearXrState(),!this._binding||!this._layer||!t)return;const i=e.getViewerPose(t);if(!i||!i.views?.length)return;const r=s.xrSubImages;for(let n=0;n<i.views.length;n++){let o;try{o=this._binding.getViewSubImage(this._layer,i.views[n])}catch(d){this.xrBridge._onBindingError?.(d);return}const c=o?.colorTexture;if(!c)continue;let h=null;if(typeof o.getViewDescriptor=="function")try{const d=o.getViewDescriptor();d&&(h={...d})}catch{}r.push({colorTexture:c,viewDescriptor:h,viewport:o.viewport,viewFormat:h?.format??c.format})}const a=r[0];a&&(s.xrColorTexture=a.colorTexture,s.xrColorTextureViewFormat=a.viewFormat,this._cachedFramebufferSize.set(a.colorTexture.width,a.colorTexture.height))}endFrame(){this.xrBridge.device?._clearXrState()}get presentationLayer(){return this._layer}get graphicsBinding(){return this._binding}getFramebufferSize(e,t){const s=this._layer;if(s){const i=s.textureWidth??s.width,r=s.textureHeight??s.height;if(i>0&&r>0){t.set(i,r);return}}if(this._cachedFramebufferSize.x>0&&this._cachedFramebufferSize.y>0){t.copy(this._cachedFramebufferSize);return}t.set(0,0)}getViewport(e,t){if(this._binding&&this._layer)try{const s=this._binding.getViewSubImage(this._layer,t);if(s?.viewport)return s.viewport}catch{}return{x:0,y:0,width:0,height:0}}attachPresentation(e,t){const s=globalThis.XRGPUBinding;if(typeof s>"u"){this.xrBridge._onBindingError?.(new Error("XRGPUBinding is not available in this browser."));return}const r=this.xrBridge.device.wgpu;try{this._binding=new s(e,r)}catch(o){this.xrBridge._onBindingError?.(o);return}const n={colorFormat:this._binding.getPreferredColorFormat(),scaleFactor:t.framebufferScaleFactor};try{this._layer=this._binding.createProjectionLayer({...n,textureType:"texture-array"})}catch{this._layer=this._binding.createProjectionLayer({...n,textureType:"texture"})}e.updateRenderState({layers:[this._layer],depthNear:t.depthNear,depthFar:t.depthFar})}syncCameraColorTexture(e,t){if(!this._binding?.getCameraImage)return;const s=this._binding.getCameraImage(e);if(!s)return;const i=t.impl?.gpuTexture;if(!i)return;const a=this.xrBridge.device.getCommandEncoder(),n=e.width,o=e.height;a.copyTextureToTexture({texture:s},{texture:i},[n,o,1])}syncCameraDepthTexture(e,t,s){e?.texture}releasePresentation(){this._binding=null}onGraphicsDeviceLost(){const e=this.xrBridge,t=e._session;if(!t)return;

407const s=t.renderState,i=e.device;this._binding=null,this._layer=null,this._cachedFramebufferSize.set(0,0),i._clearXrState(),t.updateRenderState({layers:[],depthNear:s.depthNear,depthFar:s.depthFar})}onGraphicsDeviceRestored(){const e=this.xrBridge;if(!e._session)return;const t=e.eventHandler;setTimeout(()=>{if(e._session)try{const s=e._session.renderState;e.attachPresentation(e._session,{framebufferScaleFactor:e._framebufferScaleFactor,depthNear:s.depthNear,depthFar:s.depthFar,onBindingError:e._onBindingError})}catch(s){t.fire("error",s)}},0)}}const lp=new Map,tS=20,aP=12;class nP extends Je{_deferredDestroys=[];renderPipeline=new eA(this);computePipeline=new sA(this);_indirectDrawBuffer=null;_indirectDrawBufferCount=0;_indirectDrawNextIndex=0;_indirectDispatchBuffer=null;_indirectDispatchBufferCount=0;_indirectDispatchNextIndex=0;clearRenderer;mipmapRenderer;pipeline=null;bindGroupFormats=[];emptyBindGroup;submitVersion=0;xrColorTexture=null;xrColorTextureViewFormat=null;xrColorTextureViewDescriptor=null;xrSubImages=[];xrCurrentViewIndex=-1;externalBackbuffer=null;commandEncoder=null;commandBuffers=[];limits;glslang=null;twgsl=null;constructor(e,t={}){super(e,t),t=this.initOptions,t.alpha=t.alpha??!0,this.backBufferAntialias=t.antialias??!1,this.isWebGPU=!0,this._deviceType=Gx,this.featureLevel=t.featureLevel,this.scope.resolve(gg).setValue(0)}destroy(){this.clearRenderer.destroy(),this.clearRenderer=null,this.mipmapRenderer.destroy(),this.mipmapRenderer=null,this.resolver.destroy(),this.resolver=null,this._clearXrState(),this.externalBackbuffer=null,super.destroy()}_clearXrState(){this.xrColorTexture=null,this.xrColorTextureViewFormat=null,this.xrColorTextureViewDescriptor=null,this.xrSubImages.length=0,this.xrCurrentViewIndex=-1}initDeviceCaps(){const e=this.wgpu?.limits;this.limits=e,this.precision="highp",this.maxPrecision="highp",this.maxSamples=4,this.maxTextures=16,this.maxTextureSize=e.maxTextureDimension2D,this.maxCubeMapSize=e.maxTextureDimension2D,this.maxVolumeSize=e.maxTextureDimension3D,this.maxColorAttachments=e.maxColorAttachments,this.maxPixelRatio=1,this.maxAnisotropy=16,this.fragmentUniformsCount=e.maxUniformBufferBindingSize/16,this.vertexUniformsCount=e.maxUniformBufferBindingSize/16,this.supportsUniformBuffers=!0,this.supportsAreaLights=!0,this.supportsGpuParticles=!0,this.supportsCompute=!0,this.textureFloatRenderable=!0,this.textureHalfFloatRenderable=!0,this.supportsImageBitmap=!0,this.samples=this.backBufferAntialias?4:1;const t=window.navigator.gpu.wgslLanguageFeatures;this.supportsStorageTextureRead=t?.has("readonly_and_readwrite_storage_textures"),this.supportsSubgroupUniformity=t?.has("subgroup_uniformity"),this.supportsSubgroupId=t?.has("subgroup_id"),this.supportsLinearIndexing=t?.has("linear_indexing"),this.supportsUnrestrictedPointerParameters=t?.has("unrestricted_pointer_parameters"),this.supportsPointerCompositeAccess=t?.has("pointer_composite_access"),this.supportsPacked4x8IntegerDotProduct=t?.has("packed_4x8_integer_dot_product"),this.supportsTextureAndSamplerLet=t?.has("texture_and_sampler_let"),this.initCapsDefines()}async initWebGpu(e,t){if(!window.navigator.gpu)throw new Error("Unable to retrieve GPU. Ensure you are using a browser that supports WebGPU rendering.");if(e&&t){const s=window.document?.baseURI??window.location.href,i=c=>new URL(c,s).toString(),r=i(t),a=i(t.replace(".js",".wasm")),n=i(e),o=await Promise.all([hv(()=>import(`${r}`),[]).then(()=>twgsl(a)),hv(()=>import(`${n}`),[]).then(c=>c.default())]);this.twgsl=o[0],this.glslang=o[1]}return this.createDevice()}async createDevice(){const e={powerPreference:this.initOptions.powerPreference!=="default"?this.initOptions.powerPreference:void 0,xrCompatible:!!this.initOptions.xrCompatible};this.gpuAdapter=await window.navigator.gpu.requestAdapter(e);const s=this.initOptions.featureLevel==="bare",i=[],r=s?()=>!1:d=>{const u=this.gpuAdapter.features.has(d);return u&&i.push(d),u};this.textureFloatFilterable=r("float32-filterable"),this.textureFloatBlendable=r("float32-blendable"),this.extCompressedTextureS3TC=r("texture-compression-bc"),this.extCompressedTextureS3TCSliced3D=r("texture-compression-bc-sliced-3d"),this.extCompressedTextureETC=r("texture-compression-etc2"),this.extCompressedTextureASTC=r("texture-compression-astc"),this.extCompressedTextureASTCSliced3D=r("texture-compression-astc-sliced-3d"),this.supportsTimestampQuery=r("timestamp-query"),this.supportsDepthClip=r("depth-clip-control"),this.supportsDepth32Stencil=r("depth32float-stencil8"),this.supportsIndirectFirstInstance=r("indirect-first-instance"),this.supportsShaderF16=r("shader-f16"),this.supportsStorageRGBA8=r("bgra8unorm-storage"),this.textureRG11B10Renderable=r("rg11b10ufloat-renderable"),this.supportsClipDistances=r("clip-distances"),this.supportsTextureFormatTier1=r("texture-format-tier1"),this.supportsTextureFormatTier2=r("texture-format-tier2"),this.supportsTextureFormatTier1||(this.supportsTextureFormatTier1=this.supportsTextureFormatTier2),this.supportsPrimitiveIndex=r("primitive-index"),this.supportsSubgroups=r("subgroups"),this.maxSubgroupSize=this.supportsSubgroups?this.gpuAdapter?.info?.subgroupMaxSize??0:0,this.minSubgroupSize=this.supportsSubgroups?this.gpuAdapter?.info?.subgroupMinSize??0:0,window.navigator.gpu.wgslLanguageFeatures&&Array.from(window.navigator.gpu.wgslLanguageFeatures);const a={};if(!s){const d=this.gpuAdapter?.limits;if(d)for(const u in d)u==="minSubgroupSize"||u==="maxSubgroupSize"||(a[u]=d[u])}const n={requiredFeatures:i,requiredLimits:a,defaultQueue:{label:"Default Queue"}};this.wgpu=await this.gpuAdapter.requestDevice(n),this.supportsHtmlTextures=typeof this.wgpu.queue?.copyElementImageToTexture=="function",this.wgpu.lost?.then(this.handleDeviceLost.bind(this)),this.wgpu.addEventListener?.("uncapturederror",d=>{d.error}),this.initDeviceCaps(),this.gpuContext=this.canvas.getContext("webgpu");

407let o="standard",c=window.navigator.gpu.getPreferredCanvasFormat();const h=this.initOptions.displayFormat;return this.backBufferFormat=c==="rgba8unorm"?h===mh?us:Re:h===mh?Ju:Nu,this.backBufferViewFormat=h===mh?`${c}-srgb`:c,h===yb&&this.textureFloatFilterable&&window.matchMedia("(dynamic-range: high)")?.matches&&(this.backBufferFormat=Ge,this.backBufferViewFormat="rgba16float",c="rgba16float",this.isHdr=!0,o="extended"),this.canvasConfig={device:this.wgpu,colorSpace:"srgb",alphaMode:this.initOptions.alpha?"premultiplied":"opaque",format:c,toneMapping:{mode:o},usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC|GPUTextureUsage.COPY_DST,viewFormats:h===mh?[this.backBufferViewFormat]:[]},this.gpuContext?.configure(this.canvasConfig),this.createBackbuffer(),this.clearRenderer=new YA(this),this.mipmapRenderer=new jA(this),this.resolver=new JA(this),this.postInit(),this}async handleDeviceLost(e){e.reason!=="destroyed"&&(super.loseContext(),this.fire("devicelost"),await this.createDevice(),super.restoreContext(),this.fire("devicerestored"))}postInit(){super.postInit(),this.initializeRenderState(),this.setupPassEncoderDefaults(),this.gpuProfiler=new QA(this),this.dynamicBuffers=new KA(this,100*1024,this.limits.minUniformBufferOffsetAlignment),this.emptyBindGroup=new jo(this,new Ze(this,[])),this.emptyBindGroup.update()}createBackbuffer(){this.supportsStencil=this.initOptions.stencil,this.backBuffer=new St({name:"WebgpuFramebuffer",graphicsDevice:this,depth:this.initOptions.depth,stencil:this.supportsStencil,samples:this.samples}),this.backBuffer.impl.isBackbuffer=!0}frameStart(){super.frameStart(),this.gpuProfiler.frameStart(),this.submit();const e=this.xrColorTexture??this.gpuContext?.getCurrentTexture?.()??this.externalBackbuffer?.impl.gpuTexture;(this.backBufferSize.x!==e.width||this.backBufferSize.y!==e.height)&&(this.backBufferSize.set(e.width,e.height),this.backBuffer.destroy(),this.backBuffer=null,this.createBackbuffer());const t=this.backBuffer,s=t.impl,i=e===this.xrColorTexture&&this.xrColorTextureViewFormat?this.xrColorTextureViewFormat:this.backBufferViewFormat;s.setColorAttachment(0,void 0,i),t._width=e.width,t._height=e.height,this.initRenderTarget(t),s.assignColorTexture(e,i)}frameEnd(){super.frameEnd(),this.gpuProfiler.frameEnd(),this.submit(),this.contextLost||this.gpuProfiler.request(),this._indirectDrawNextIndex=0,this._indirectDispatchNextIndex=0}createBufferImpl(e){return new wf(e)}createUniformBufferImpl(e){return new MA(e)}createVertexBufferImpl(e,t,s){return new RA(e,t,s)}createIndexBufferImpl(e,t){return new jb(e,t)}createShaderImpl(e){return new PA(e)}createDrawCommandImpl(e){return new sP(this)}createTextureImpl(e){return this.textures.add(e),new DA(e)}createXrBridgeImpl(e){return new rP(e)}createRenderTargetImpl(e){return new cA(e)}createUploadStreamImpl(e){return new iP(e)}createBindGroupFormatImpl(e){return new Yb(e)}createBindGroupImpl(e){return new Wb}createComputeImpl(e){return new tP(e)}get indirectDrawBuffer(){return this.allocateIndirectDrawBuffer(),this._indirectDrawBuffer}allocateIndirectDrawBuffer(){this._indirectDrawNextIndex===0&&this._indirectDrawBufferCount<this.maxIndirectDrawCount&&(this._indirectDrawBuffer?.destroy(),this._indirectDrawBuffer=null),this._indirectDrawBuffer===null&&(this._indirectDrawBuffer=new Se(this,this.maxIndirectDrawCount*tS,Po|ct),this._indirectDrawBufferCount=this.maxIndirectDrawCount)}getIndirectDrawSlot(e=1){this.allocateIndirectDrawBuffer();const t=this._indirectDrawNextIndex,s=this._indirectDrawNextIndex+e;return this._indirectDrawNextIndex=s,t}get indirectDispatchBuffer(){return this.allocateIndirectDispatchBuffer(),this._indirectDispatchBuffer}allocateIndirectDispatchBuffer(){this._indirectDispatchNextIndex===0&&this._indirectDispatchBufferCount<this.maxIndirectDispatchCount&&(this._indirectDispatchBuffer?.destroy(),this._indirectDispatchBuffer=null),this._indirectDispatchBuffer===null&&(this._indirectDispatchBuffer=new Se(this,this.maxIndirectDispatchCount*aP,Po|ct),this._indirectDispatchBufferCount=this.maxIndirectDispatchCount)}getIndirectDispatchSlot(e=1){this.allocateIndirectDispatchBuffer();const t=this._indirectDispatchNextIndex,s=this._indirectDispatchNextIndex+e;return this._indirectDispatchNextIndex=s,t}setBindGroup(e,t,s){this.passEncoder&&(this.passEncoder.setBindGroup(e,t.impl.bindGroup,s??t.uniformBufferOffsets),this.bindGroupFormats[e]=t.format.impl)}submitVertexBuffer(e,t){const s=e.format,{interleaved:i,elements:r}=s,a=r.length,n=e.impl.buffer;if(i)return this.passEncoder.setVertexBuffer(t,n),1;for(let o=0;o<a;o++)this.passEncoder.setVertexBuffer(t+o,n,r[o].offset);return a}validateVBLocations(e,t){const s=i=>{const{elements:r}=i.format;for(let a=0;a<r.length;a++){const n=r[a].name,o=Be[n];lp.has(o),lp.set(o,n)}};s(e),s(t),lp.clear()}draw(e,t,s=1,i,r=!0,a=!0){if(this.shader.ready&&!this.shader.failed){const n=this.passEncoder;let o=this.pipeline;const c=this.vertexBuffers[0],h=this.vertexBuffers[1];if(r){if(c){const d=this.submitVertexBuffer(c,0);h&&this.submitVertexBuffer(h,d)}o=this.renderPipeline.get(e,c?.format,h?.format,t?.format,this.shader,this.renderTarget,this.bindGroupFormats,this.blendState,this.depthState,this.cullMode,this.stencilEnabled,this.stencilFront,this.stencilBack,this.frontFace),this.pipeline!==o&&(this.pipeline=o,n.setPipeline(o))}if(t&&n.setIndexBuffer(t.impl.buffer,t.impl.format),i){const u=(i.impl?.

407storage??this.indirectDrawBuffer).impl.buffer,f=i.count;for(let p=0;p<f;p++){const m=(i.slotIndex+p)*tS;t?n.drawIndexedIndirect(u,m):n.drawIndirect(u,m)}}else t?n.drawIndexed(e.count,s,e.base,e.baseVertex??0,0):n.draw(e.count,s,e.base,0);this._drawCallsPerFrame++}a&&(this.clearVertexBuffer(),this.pipeline=null)}setShader(e,t=!1){e!==this.shader&&(this.shader=e)}setBlendState(e){this.blendState.copy(e)}setDepthState(e){this.depthState.copy(e)}setStencilState(e,t){if(e||t){this.stencilEnabled=!0,this.stencilFront.copy(e??$s.DEFAULT),this.stencilBack.copy(t??$s.DEFAULT);const s=this.stencilFront.ref;this.stencilRef!==s&&(this.stencilRef=s,this.passEncoder.setStencilReference(s))}else this.stencilEnabled=!1}setBlendColor(e,t,s,i){const r=this.blendColor;(e!==r.r||t!==r.g||s!==r.b||i!==r.a)&&(r.set(e,t,s,i),this.passEncoder.setBlendConstant(r))}setCullMode(e){this.cullMode=e}setFrontFace(e){this.frontFace=e}setAlphaToCoverage(e){}initializeContextCaches(){super.initializeContextCaches()}setupPassEncoderDefaults(){this.pipeline=null,this.stencilRef=0,this.blendColor.set(0,0,0,0)}_uploadDirtyTextures(){this.texturesToUpload.forEach(e=>{(e._needsUpload||e._needsMipmapsUpload)&&e.upload()}),this.texturesToUpload.clear()}setupTimeStampWrites(e,t){if(this.gpuProfiler._enabled&&this.gpuProfiler.timestampQueriesSet){const s=this.gpuProfiler.getSlot(t);s===-1||(e=e??{},e.timestampWrites={querySet:this.gpuProfiler.timestampQueriesSet.querySet,beginningOfPassWriteIndex:s*2,endOfPassWriteIndex:s*2+1})}return e}startRenderPass(e){this._uploadDirtyTextures();const t=e.renderTarget||this.backBuffer;this.renderTarget=t;const s=t.impl;t!==this.backBuffer&&this.initRenderTarget(t),s.setupForRenderPass(e,t);const i=s.renderPassDescriptor;this.setupTimeStampWrites(i,e.name);const r=this.getCommandEncoder();this.passEncoder=r.beginRenderPass(i),this.passEncoder.label=`${e.name}-PassEncoder RT:${t.name}`,this.setupPassEncoderDefaults();const{width:a,height:n}=t;this.setViewport(0,0,a,n),this.setScissor(0,0,a,n),this.insideRenderPass=!0}endRenderPass(e){this.passEncoder.end(),this.passEncoder=null,this.insideRenderPass=!1,this.bindGroupFormats.length=0;const t=this.renderTarget;if(t&&t.depthBuffer&&e.depthStencilOps.resolveDepth&&e.samples>1&&t.autoResolve){const s=t.impl.depthAttachment,i=t.depthBuffer.impl.gpuTexture;s&&i&&this.resolver.resolveDepth(this.commandEncoder,s.multisampledDepthBuffer,i)}for(let s=0;s<e.colorArrayOps.length;s++)e.colorArrayOps[s].genMipmaps&&this.mipmapRenderer.generate(e.renderTarget._colorBuffers[s].impl)}startComputePass(e){this._uploadDirtyTextures(),this.pipeline=null;const t=this.setupTimeStampWrites(void 0,e),s=this.getCommandEncoder();this.passEncoder=s.beginComputePass(t),this.insideRenderPass=!0}endComputePass(){this.passEncoder.end(),this.passEncoder=null,this.insideRenderPass=!1,this.bindGroupFormats.length=0}computeDispatch(e,t="Unnamed"){this.startComputePass(t);for(let s=0;s<e.length;s++){const i=e[s];i.applyParameters(),i.impl.updateBindGroup()}for(let s=0;s<e.length;s++){const i=e[s];i.impl.dispatch(i.countX,i.countY,i.countZ)}this.endComputePass()}getCommandEncoder(){let e=this.commandEncoder;return e||(e=this.wgpu.createCommandEncoder(),this.commandEncoder=e),e}endCommandEncoder(){const{commandEncoder:e}=this;if(e){const t=e.finish();this.addCommandBuffer(t),this.commandEncoder=null}}addCommandBuffer(e,t=!1){t?this.commandBuffers.unshift(e):this.commandBuffers.push(e)}submit(){this.endCommandEncoder(),this.commandBuffers.length>0&&(this.dynamicBuffers.submit(),this.wgpu.queue.submit(this.commandBuffers),this.commandBuffers.length=0,this.submitVersion++,this.dynamicBuffers.onCommandBuffersSubmitted());const e=this._deferredDestroys;if(e.length>0){for(let t=0;t<e.length;t++)e[t].destroy();e.length=0}}deferDestroy(e){e&&this._deferredDestroys.push(e)}clear(e){e.flags&&this.clearRenderer.clear(this,this.renderTarget,e,this.defaultClearOptions)}setViewport(e,t,s,i){if(this.passEncoder){if(this.xrColorTexture)return;this.renderTarget.flipY||(t=this.renderTarget.height-t-i),this.vx=e,this.vy=t,this.vw=s,this.vh=i,this.passEncoder.setViewport(e,t,s,i,0,1)}}setScissor(e,t,s,i){if(this.passEncoder){if(this.xrColorTexture)return;this.renderTarget.flipY||(t=this.renderTarget.height-t-i),this.sx=e,this.sy=t,this.sw=s,this.sh=i,this.passEncoder.setScissorRect

407(e,t,s,i)}}clearStorageBuffer(e,t=0,s=e.byteSize){this.getCommandEncoder().clearBuffer(e.buffer,t,s)}readStorageBuffer(e,t=0,s=e.byteSize-t,i=null,r=!1){const a=this.createBufferImpl(Ox|ct);a.allocate(this,s);const n=a.buffer;return this.getCommandEncoder().copyBufferToBuffer(e.buffer,t,n,0,s),this.readBuffer(a,s,i,r)}readBuffer(e,t,s=null,i=!1){const r=e.buffer;return new Promise((a,n)=>{const o=()=>{r?.mapAsync(GPUMapMode.READ).then(()=>{s??(s=new Uint8Array(t));const c=r.getMappedRange(0,t),h=s.constructor;s.set(new h(c)),r.unmap(),e.destroy(this),a(s)})};i?(this.submit(),o()):setTimeout(()=>{o()})})}writeStorageBuffer(e,t=0,s,i=0,r){this.wgpu.queue.writeBuffer(e.buffer,t,s,i,r)}copyRenderTarget(e,t,s,i){const r={width:e?e.width:t.width,height:e?e.height:t.height,depthOrArrayLayers:1},a=this.getCommandEncoder();if(s){const n={texture:e?e.colorBuffer.impl.gpuTexture:this.backBuffer.impl.assignedColorTexture,mipLevel:e?e.mipLevel:0},o={texture:t?t.colorBuffer.impl.gpuTexture:this.backBuffer.impl.assignedColorTexture,mipLevel:t?t.mipLevel:0};a.copyTextureToTexture(n,o,r)}if(i){const n=e||this.renderTarget,o=n.impl.depthAttachment.depthTexture,c=n.mipLevel;if(e.samples>1){const h=t.colorBuffer.impl.gpuTexture;this.resolver.resolveDepth(a,o,h)}else{const h=t?t.depthBuffer.impl.gpuTexture:this.renderTarget.impl.depthAttachment.depthTexture,d=t?t.mipLevel:this.renderTarget.mipLevel,u={texture:o,mipLevel:c},f={texture:h,mipLevel:d};a.copyTextureToTexture(u,f,r)}}return!0}get hasTranspilers(){return this.glslang&&this.twgsl}}class cT{bufferId=null;destroy(e){this.bufferId&&(e.gl.deleteBuffer(this.bufferId),this.bufferId=null)}get initialized(){return!!this.bufferId}loseContext(){this.bufferId=null}unlock(e,t,s,i){const r=e.gl;if(this.bufferId)r.bindBuffer(s,this.bufferId),r.bufferSubData(s,0,i);else{let a;switch(t){case Ys:a=r.STATIC_DRAW;break;case Vd:a=r.DYNAMIC_DRAW;break;case DE:a=r.STREAM_DRAW;break;case ME:a=r.DYNAMIC_COPY;break}this.bufferId=r.createBuffer(),r.bindBuffer(s,this.bufferId),r.bufferData(s,i,a)}}}class oP extends cT{vao=null;destroy(e){super.destroy(e),e.unbindVertexArray()}loseContext(){super.loseContext(),this.vao=null}unlock(e){const t=e.device;super.unlock(t,e.usage,t.gl.ARRAY_BUFFER,e.storage)}}class lP extends cT{constructor(e){super();const t=e.device.gl,s=e.format;s===zm?this.glFormat=t.UNSIGNED_BYTE:s===Ni?this.glFormat=t.UNSIGNED_SHORT:s===ra&&(this.glFormat=t.UNSIGNED_INT)}unlock(e){const t=e.device;super.unlock(t,e.usage,t.gl.ELEMENT_ARRAY_BUFFER,e.storage)}}class cP{constructor(e,t,s,i){if(this.locationId=i,this.scopeId=e.scope.resolve(t),this.version=new Qx,t.substring(t.length-3)==="[0]")switch(s){case me:s=df;break;case _r:s=Lo;break;case le:s=pf;break;case So:s=mf;break;case sn:s=uf;break;case $a:s=Fo;break;case Mo:s=_f;break;case oc:s=gf;break;case hs:s=ff;break;case gr:s=Oo;break;case Ro:s=vf;break;case lc:s=Sf;break;case Cr:s=pg;break;case Ka:s=iu;break;case oa:s=mg;break;case cc:s=_g;break}this.dataType=s,this.value=[null,null,null,null],this.array=[]}}const sS=new Set(["gl_VertexID","gl_InstanceID","gl_DrawID","gl_BaseVertex","gl_BaseInstance"]);class hP{map=new Map;destroy(e){this.map.forEach(t=>{e.gl.deleteShader(t)})}loseContext(e){this.map.clear()}}const dP=new Jt,uP=new Jt;class fP{compileDuration=0;constructor(e){this.init(),this.compile(e.device,e),this.link(e.device,e),e.device.shaders.push(e)}destroy(e){this.glProgram&&(e.device.gl.deleteProgram(this.glProgram),this.glProgram=null)}init(){this.uniforms=[],this.samplers=[],this.attributes=[],this.glProgram=null,this.glVertexShader=null,this.glFragmentShader=null}loseContext(){this.init()}restoreContext(e,t){this.compile(e,t),this.link(e,t)}compile(e,t){const s=t.definition;this.glVertexShader=this._compileShaderSource(e,s.vshader,!0),this.glFragmentShader=this._compileShaderSource(e,s.fshader,!1)}link(e,t){if(this.glProgram)return;const s=e.gl;if(s.isContextLost())return;const i=s.createProgram();this.glProgram=i,s.attachShader(i,this.glVertexShader),s.attachShader(i,this.glFragmentShader);const r=t.definition,a=r.attributes;if(r.useTransformFeedback){let n=r.feedbackVaryings;if(!n){n=[];for(const o in a)a.hasOwnProperty(o)&&n.push(`out_${o}`)}s.transformFeedbackVaryings(i,n,s.INTERLEAVED_ATTRIBS)}for(const n in a)if(a.hasOwnProperty(n)){const o=a[n],c=Be[o];s.bindAttribLocation(i,c,n)}s.linkProgram(i)}_compileShaderSource(e,t,s){const i=e.gl;if(i.isContextLost())return null;const a=(s?dP:uP).get(e,()=>new hP);let n=a.map.get(t);return n||(n=i.createShader(s?i.VERTEX_SHADER:i.FRAGMENT_SHADER),i.shaderSource(n,t),i.compileShader(n),a.map.set(t,n)),n}finalize(e,t){const s=e.gl;if(s.isContextLost())return!0;const i=this.glProgram,r=t.definition;

407if(!s.getProgramParameter(i,s.LINK_STATUS)){if(!this._isCompiled(e,t,this.glVertexShader,r.vshader,"vertex")||!this._isCompiled(e,t,this.glFragmentShader,r.fshader,"fragment"))return!1;const h=`Failed to link shader program. Error: ${s.getProgramInfoLog(i)}`;return console.error(h),!1}const n=s.getProgramParameter(i,s.ACTIVE_ATTRIBUTES);t.attributes.clear();for(let h=0;h<n;h++){const d=s.getActiveAttrib(i,h),u=s.getAttribLocation(i,d.name);sS.has(d.name)||(r.attributes[d.name]===void 0?(console.error(`Vertex shader attribute "${d.name}" is not mapped to a semantic in shader definition, shader [${t.label}]`,t),t.failed=!0):t.attributes.set(u,d.name))}const o=e._samplerTypes,c=s.getProgramParameter(i,s.ACTIVE_UNIFORMS);for(let h=0;h<c;h++){const d=s.getActiveUniform(i,h),u=s.getUniformLocation(i,d.name);if(sS.has(d.name))continue;const f=new cP(e,d.name,e.pcUniformType[d.type],u);o.has(d.type)?this.samplers.push(f):this.uniforms.push(f)}return t.ready=!0,!0}_isCompiled(e,t,s,i,r){const a=e.gl;if(!a.getShaderParameter(s,a.COMPILE_STATUS)){const n=a.getShaderInfoLog(s),[o,c]=this._processError(i,n),h=`Failed to compile ${r} shader:
408
409${n}
410${o} while rendering undefined`;return console.error(h),!1}return!0}isLinked(e){const{extParallelShaderCompile:t}=e;return t?e.gl.getProgramParameter(this.glProgram,t.COMPLETION_STATUS_KHR):!0}_processError(e,t){const s={};let i="";if(e){const r=e.split(`
411`);let a=0,n=r.length;if(t&&t.startsWith("ERROR:")){const o=t.match(/^ERROR:\s(\d+):(\d+):\s*(.+)/);o&&(s.message=o[3],s.line=parseInt(o[2],10),a=Math.max(0,s.line-6),n=Math.min(r.length,s.line+5))}for(let o=a;o<n;o++){const c=o+1===s.line?"> ":"  ";i+=`${c}${o+1}:	${r[o]}
412`}s.source=e}return[i,s]}}class pP{indexSizeBytes;glCounts=null;glOffsetsBytes=null;glInstanceCounts=null;constructor(e){this.indexSizeBytes=e}allocate(e){this.glCounts&&this.glCounts.length===e||(this.glCounts=new Int32Array(e),this.glOffsetsBytes=new Int32Array(e),this.glInstanceCounts=new Int32Array(e))}add(e,t,s,i){this.glCounts[e]=t,this.glOffsetsBytes[e]=i*this.indexSizeBytes,this.glInstanceCounts[e]=s}update(e){return 0}}function iS(l,e){const t=l.width,s=l.height;if(t>e||s>e){const i=e/Math.max(t,s),r=Math.floor(t*i),a=Math.floor(s*i),n=document.createElement("canvas");return n.width=r,n.height=a,n.getContext("2d").drawImage(l,0,0,t,s,0,0,r,a),n}return l}class mP{_glTexture=null;_glTarget;_glFormat;_glInternalFormat;_glPixelType;_glCreated;dirtyParameterFlags=0;constructor(e){this.texture=e}destroy(e){if(this._glTexture){for(let t=0;t<e.textureUnits.length;t++){const s=e.textureUnits[t];for(let i=0;i<s.length;i++)s[i]===this._glTexture&&(s[i]=null)}e.gl.deleteTexture(this._glTexture),this._glTexture=null}}loseContext(){this._glTexture=null}propertyChanged(e){this.dirtyParameterFlags|=e}initialize(e,t){const s=e.gl;switch(this._glTexture=s.createTexture(),this._glTarget=t._cubemap?s.TEXTURE_CUBE_MAP:t._volume?s.TEXTURE_3D:t.array?s.TEXTURE_2D_ARRAY:s.TEXTURE_2D,t._format){case K_:this._glFormat=s.ALPHA,this._glInternalFormat=s.ALPHA,this._glPixelType=s.UNSIGNED_BYTE;break;case Z_:this._glFormat=s.LUMINANCE,this._glInternalFormat=s.LUMINANCE,this._glPixelType=s.UNSIGNED_BYTE;break;case Du:this._glFormat=s.LUMINANCE_ALPHA,this._glInternalFormat=s.LUMINANCE_ALPHA,this._glPixelType=s.UNSIGNED_BYTE;break;case Zu:this._glFormat=s.RED,this._glInternalFormat=s.R8,this._glPixelType=s.UNSIGNED_BYTE;break;case Qu:this._glFormat=s.RG,this._glInternalFormat=s.RG8,this._glPixelType=s.UNSIGNED_BYTE;break;case Dc:this._glFormat=s.RGB,this._glInternalFormat=s.RGB565,this._glPixelType=s.UNSIGNED_SHORT_5_6_5;break;case Mu:this._glFormat=s.RGBA,this._glInternalFormat=s.RGB5_A1,this._glPixelType=s.UNSIGNED_SHORT_5_5_5_1;break;case Mc:this._glFormat=s.RGBA,this._glInternalFormat=s.RGBA4,this._glPixelType=s.UNSIGNED_SHORT_4_4_4_4;break;case Er:this._glFormat=s.RGB,this._glInternalFormat=s.RGB8,this._glPixelType=s.UNSIGNED_BYTE;break;case Re:this._glFormat=s.RGBA,this._glInternalFormat=s.RGBA8,this._glPixelType=s.UNSIGNED_BYTE;break;case Nu:case Ju:break;case ef:break;case tf:this._glFormat=s.RGB,this._glInternalFormat=s.RGB9_E5,this._glPixelType=s.UNSIGNED_INT_5_9_9_9_REV;break;case sf:this._glFormat=s.RG,this._glInternalFormat=s.RG8_SNORM,this._glPixelType=s.BYTE;break;case rf:this._glFormat=s.RGBA,this._glInternalFormat=s.RGBA8_SNORM,this._glPixelType=s.BYTE;break;case af:this._glFormat=s.RGBA,this._glInternalFormat=s.RGB10_A2,this._glPixelType=s.UNSIGNED_INT_2_10_10_10_REV;break;case nf:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGB10_A2UI,this._glPixelType=s.UNSIGNED_INT_2_10_10_10_REV;break;case Rc:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTextureS3TC.COMPRESSED_RGB_S3TC_DXT1_EXT;break;case Ru:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTextureS3TC.COMPRESSED_RGBA_S3TC_DXT3_EXT;break;case Ho:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTextureS3TC.COMPRESSED_RGBA_S3TC_DXT5_EXT;break;case Fc:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTextureETC1.COMPRESSED_RGB_ETC1_WEBGL;break;case Wo:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTexturePVRTC.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;break;case Xo:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTexturePVRTC.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;break;case Oc:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTexturePVRTC.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;break;case Bc:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTexturePVRTC.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;break;case Ou:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTextureETC.COMPRESSED_RGB8_ETC2;break;

412case Bu:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTextureETC.COMPRESSED_RGBA8_ETC2_EAC;break;case Q_:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTextureASTC.COMPRESSED_RGBA_ASTC_4x4_KHR;break;case J_:this._glFormat=s.RGB,this._glInternalFormat=e.extCompressedTextureATC.COMPRESSED_RGB_ATC_WEBGL;break;case eg:this._glFormat=s.RGBA,this._glInternalFormat=e.extCompressedTextureATC.COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL;break;case ig:this._glFormat=s.RGB,this._glInternalFormat=e.extTextureCompressionBPTC.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;break;case rg:this._glFormat=s.RGB,this._glInternalFormat=e.extTextureCompressionBPTC.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;break;case ag:this._glFormat=s.RGBA,this._glInternalFormat=e.extTextureCompressionBPTC.COMPRESSED_RGBA_BPTC_UNORM_EXT;break;case Xd:this._glFormat=s.SRGB,this._glInternalFormat=e.extCompressedTextureS3TC_SRGB.COMPRESSED_SRGB_S3TC_DXT1_EXT;break;case Yd:this._glFormat=s.SRGB_ALPHA,this._glInternalFormat=e.extCompressedTextureS3TC_SRGB.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;break;case jd:this._glFormat=s.SRGB_ALPHA,this._glInternalFormat=e.extCompressedTextureS3TC_SRGB.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;break;case qd:this._glFormat=s.SRGB,this._glInternalFormat=e.extCompressedTextureETC.COMPRESSED_SRGB8_ETC2;break;case $d:this._glFormat=s.SRGB_ALPHA,this._glInternalFormat=e.extCompressedTextureETC.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;break;case Kd:this._glFormat=s.SRGB_ALPHA,this._glInternalFormat=e.extCompressedTextureASTC.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;break;case Zd:this._glFormat=s.RGBA,this._glInternalFormat=e.extTextureCompressionBPTC.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT;break;case kc:this._glFormat=s.RED,this._glInternalFormat=s.R16F,this._glPixelType=s.HALF_FLOAT;break;case Ku:this._glFormat=s.RG,this._glInternalFormat=s.RG16F,this._glPixelType=s.HALF_FLOAT;break;case Lc:this._glFormat=s.RGB,this._glInternalFormat=s.RGB16F,this._glPixelType=s.HALF_FLOAT;break;case Ge:this._glFormat=s.RGBA,this._glInternalFormat=s.RGBA16F,this._glPixelType=s.HALF_FLOAT;break;case Lu:this._glFormat=s.RGB,this._glInternalFormat=s.RGB32F,this._glPixelType=s.FLOAT;break;case mt:this._glFormat=s.RGBA,this._glInternalFormat=s.RGBA32F,this._glPixelType=s.FLOAT;break;case Ti:this._glFormat=s.RED,this._glInternalFormat=s.R32F,this._glPixelType=s.FLOAT;break;case Oi:this._glFormat=s.DEPTH_COMPONENT,this._glInternalFormat=s.DEPTH_COMPONENT32F,this._glPixelType=s.FLOAT;break;case ja:this._glFormat=s.DEPTH_COMPONENT,this._glInternalFormat=s.DEPTH_COMPONENT16,this._glPixelType=s.UNSIGNED_SHORT;break;case en:this._glFormat=s.DEPTH_STENCIL,this._glInternalFormat=s.DEPTH24_STENCIL8,this._glPixelType=s.UNSIGNED_INT_24_8;break;case tn:this._glFormat=s.RGB,this._glInternalFormat=s.R11F_G11F_B10F,this._glPixelType=s.UNSIGNED_INT_10F_11F_11F_REV;break;case Fu:this._glFormat=s.RGB,this._glInternalFormat=s.SRGB8,this._glPixelType=s.UNSIGNED_BYTE;break;case us:this._glFormat=s.RGBA,this._glInternalFormat=s.SRGB8_ALPHA8,this._glPixelType=s.UNSIGNED_BYTE;break;case ku:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R8I,this._glPixelType=s.BYTE;break;case Uu:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R8UI,this._glPixelType=s.UNSIGNED_BYTE;break;case zu:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R16I,this._glPixelType=s.SHORT;break;case Vu:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R16UI,this._glPixelType=s.UNSIGNED_SHORT;break;case Gu:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R32I,this._glPixelType=s.INT;break;case js:this._glFormat=s.RED_INTEGER,this._glInternalFormat=s.R32UI,this._glPixelType=s.UNSIGNED_INT;break;case Hu:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG8I,this._glPixelType=s.BYTE;break;case tg:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG8UI,this._glPixelType=s.UNSIGNED_BYTE;break;case Wu:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG16I,this._glPixelType=s.SHORT;break;case Xu:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG16UI,this._glPixelType=s.UNSIGNED_SHORT;break;case Yu:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG32I,this._glPixelType=s.INT;break;case Nc:this._glFormat=s.RG_INTEGER,this._glInternalFormat=s.RG32UI,this._glPixelType=s.UNSIGNED_INT;break;case ju:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA8I,this._glPixelType=s.BYTE;break;case sg:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA8UI,this._glPixelType=s.UNSIGNED_BYTE;break;case qu:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA16I,this._glPixelType=s.SHORT;break;case Vi:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA16UI,this._glPixelType=s.UNSIGNED_SHORT;break;case $u:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA32I,this._glPixelType=s.INT;break;case Wt:this._glFormat=s.RGBA_INTEGER,this._glInternalFormat=s.RGBA32UI,this._glPixelType=s.UNSIGNED_INT;break}this._glCreated=!1}upload(e,t){const s=e.gl;if(!t._needsUpload&&(t._needsMipmapsUpload&&t._mipmapsUploaded||!t.pot))return;let i=0,r,a;const n=t.numLevels;for(t.array&&!this._glCreated&&s.texStorage3D(s.TEXTURE_2D_ARRAY,n,this._glInternalFormat,t._width,t._height,t._arrayLength);t._levels[i]||i===0;){if(!t._needsUpload&&i===0){i++;continue}else if(i&&(!t._needsMipmapsUpload||!t._mipmaps))break;if(r=t._levels[i],a=1/Math.pow(2,i),i===1&&!t._compressed&&!t._integerFormat&&t._levels.length<n&&(s.generateMipmap(this._glTarget),t._mipmapsUploaded=!0),t._cubemap){let o;if(e._isBrowserInterface(r[0]))for(o=0;o<6;o++){if(!t._levelsUpdated[0][o])continue;let c=r[o];e._isImageBrowserInterface(c)&&(c.width>e.maxCubeMapSize||c.height>e.maxCubeMapSize)&&(c=iS(c,e.maxCubeMapSize),i===0&&(t._width=c.width,t._height=c.height)),e.setUnpackFlipY(!1),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha),this._glCreated?s.texSubImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,0,0,this._glFormat,this._glPixelType,c):s.texImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,this._glInternalFormat,this._glFormat,this._glPixelType,c)}else for(a=1/Math.pow(2,i),o=0;o<6;o++){if(!t._levelsUpdated[0][o])continue;const c=r[o];t._compressed?this._glCreated&&c?s.compressedTexSubImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,0,0,Math.max(t._width*a,1),Math.max(t._height*a,1),this._glInternalFormat,c):s.compressedTexImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,this._glInternalFormat,Math.max(t._width*a,1),Math.max(t._height*a,1),0,c):(e.setUnpackFlipY(!1),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha),e.setUnpackAlignment(1),this._glCreated&&c?s.texSubImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,0,0,Math.max(t._width*a,1),Math.max(t._height*a,1),this._glFormat,this._glPixelType,c):s.texImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X+o,i,this._glInternalFormat,Math.max(t._width*a,1),Math.max(t._height*a,1),0,this._glFormat,this._glPixelType,c))}}else if(t._volume)t._compressed?s.compressedTexImage3D(s.TEXTURE_3D,i,this._glInternalFormat,Math.max(t._width*a,1),Math.max(t._height*a,1),Math.max(t._depth*a,1),0,r):(e.setUnpackFlipY(!1),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha),e.setUnpackAlignment(1),s.texImage3D(s.TEXTURE_3D,i,this._glInternalFormat,Math.max(t._width*a,1),Math.max(t._height*a,1),Math.max(t._depth*a,1),0,this._glFormat,this._glPixelType,r));else if(t.array){if(Array.isArray(r)&&t._arrayLength===r.length)if(t._compressed)for(let o=0;o<t._arrayLength;o++)s.compressedTexSubImage3D(s.TEXTURE_2D_ARRAY,i,0,0,o,Math.max(Math.floor(t._width*a),1),Math.max(Math.floor(t._height*a),1),1,this._glInternalFormat,r[o]);else{e.setUnpackAlignment(1);for(let o=0;o<t._arrayLength;o++)s.texSubImage3D(s.TEXTURE_2D_ARRAY,i,0,0,o,Math.max(Math.floor(t._width*a),1),Math.max(Math.floor(t._height*a),1),1,this._glFormat,this._glPixelType,r[o])}}else{if(e._isBrowserInterface(r))if(e._isHTMLElementInterface(r)&&e.supportsHtmlTextures){e.setUnpackFlipY(t._flipY),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha);const o=r.getBoundingClientRect(),c=Math.floor(o.width)||t._width,h=Math.floor(o.height)||t._height;s.texElementImage2D(s.TEXTURE_2D,this._glInternalFormat,r),i===0&&(t._width=c,t._height=h)}else{e._isImageBrowserInterface(r)&&(r.width>e.maxTextureSize||r.height>e.maxTextureSize)&&(r=iS(r,e.maxTextureSize),i===0&&(t._width=r.width,t._height=r.height));const o=r.width||r.videoWidth,c=r.height||r.videoHeight;e.setUnpackFlipY(t._flipY),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha),this._glCreated&&t._width===o&&t._height===c&&!e._isImageVideoInterface(r)?s.texSubImage2D(s.TEXTURE_2D,i,0,0,this._glFormat,this._glPixelType,r):(s.texImage2D(s.TEXTURE_2D,i,this._glInternalFormat,this._glFormat,this._glPixelType,r),i===0&&(t._width=o,t._height=c))}else a=1/Math.pow(2,i),t._compressed?this._glCreated&&r?s.compressedTexSubImage2D(s.TEXTURE_2D,i,0,0,Math.max(Math.floor(t._width*a),1),Math.max(Math.floor(t._height*a),1),this._glInternalFormat,r):s.compressedTexImage2D(s.TEXTURE_2D,i,this._glInternalFormat,Math.max(Math.floor(t._width*a),1),Math.max(Math.floor(t._height*a),1),0,r):(e.setUnpackFlipY(!1),e.setUnpackPremultiplyAlpha(t._premultiplyAlpha),e.setUnpackAlignment(1),this._glCreated&&r?s.texSubImage2D(s.TEXTURE_2D,i,0,0,Math.max(t._width*a,1),Math.max(t._height*a,1),this._glFormat,this._glPixelType,r):s.texImage2D(s.TEXTURE_2D,i,this._glInternalFormat,Math.max(t._width*a,1),Math.max(t._height*a,1),0,this._glFormat,this._glPixelType,r));i===0?t._mipmapsUploaded=!1:t._mipmapsUploaded=!0}i++}if(t._needsUpload)if(t._cubemap)for(let o=0;o<6;o++)t._levelsUpdated[0][o]=!1;else t._levelsUpdated[0]=!1;!t._compressed&&!t._integerFormat&&t._mipmaps&&t._needsMipmapsUpload&&t._levels.length===1&&(s.generateMipmap(this._glTarget),t._mipmapsUploaded=!0),t._gpuSize&&t.adjustVramSizeTracking(e._vram,-t._gpuSize),t._gpuSize=t.gpuSize,t.adjustVramSizeTracking(e._vram,t._gpuSize),t.releaseSourceAfterUpload&&t.releaseImageSources(),this._glCreated=!0}uploadImmediate(e,t){(t._needsUpload||t._needsMipmapsUpload)&&(e.setTexture(t,0),t._needsUpload=!1,t._needsMipmapsUpload=!1)}read(e,t,s,i,r){const a=this.texture;return a.device.readTextureAsync(a,e,t,s,i,r)}write(e,t,s,i,r){const{texture:a}=this,{device:n}=a;return n.setTexture(a,0),n.writeTextureAsync(a,e,t,s,i,r)}}const _P=new Jt;class gP{msaaFB;resolveFB;constructor(e,t){this.msaaFB=e,this.resolveFB=t}destroy(e){this.msaaFB&&(e.deleteRenderbuffer(this.msaaFB),this.msaaFB=null),this.resolveFB&&(e.deleteRenderbuffer(this.resolveFB),this.resolveFB=null)}}class vP{_glFrameBuffer=null;_glDepthBuffer=null;_glResolveFrameBuffer=null;colorMrtFramebuffers=null;_glMsaaColorBuffers=[];_glMsaaDepthBuffer=null;msaaDepthBufferKey;suppliedColorFramebuffer;_isInitialized=!1;destroy(e){const t=e.gl;this._isInitialized=!1,this._glFrameBuffer&&(this._glFrameBuffer!==this.suppliedColorFramebuffer&&t.deleteFramebuffer(this._glFrameBuffer),this._glFrameBuffer=null),this._glDepthBuffer&&(t.deleteRenderbuffer(this._glDepthBuffer),this._glDepthBuffer=null),this._glResolveFrameBuffer&&(this._glResolveFrameBuffer!==this.suppliedColorFramebuffer&&t.deleteFramebuffer(this._glResolveFrameBuffer),this._glResolveFrameBuffer=null),this._glMsaaColorBuffers.forEac

412h(s=>{t.deleteRenderbuffer(s)}),this._glMsaaColorBuffers.length=0,this.colorMrtFramebuffers?.forEach(s=>{s.destroy(t)}),this.colorMrtFramebuffers=null,this._glMsaaDepthBuffer&&(this._glMsaaDepthBuffer=null,this.msaaDepthBufferKey&&Yl(e).release(this.msaaDepthBufferKey)),this.suppliedColorFramebuffer=void 0}get initialized(){return this._isInitialized}init(e,t){const s=e.gl;this._isInitialized=!0;const i=[];if(this.suppliedColorFramebuffer!==void 0)this._glFrameBuffer=this.suppliedColorFramebuffer;else{this._glFrameBuffer=s.createFramebuffer(),e.setFramebuffer(this._glFrameBuffer);const r=t._colorBuffers?.length??0,a=s.COLOR_ATTACHMENT0;for(let o=0;o<r;++o){const c=t.getColorBuffer(o);c&&(c.impl._glTexture||(c._width=Math.min(c.width,e.maxRenderBufferSize),c._height=Math.min(c.height,e.maxRenderBufferSize),e.setTexture(c,0)),s.framebufferTexture2D(s.FRAMEBUFFER,a+o,c._cubemap?s.TEXTURE_CUBE_MAP_POSITIVE_X+t._face:s.TEXTURE_2D,c.impl._glTexture,t.mipLevel),i.push(a+o))}s.drawBuffers(i);const n=t._depthBuffer;if(n||t._depth){const o=t._stencil?s.DEPTH_STENCIL_ATTACHMENT:s.DEPTH_ATTACHMENT;if(n)n.impl._glTexture||(n._width=Math.min(n.width,e.maxRenderBufferSize),n._height=Math.min(n.height,e.maxRenderBufferSize),e.setTexture(n,0)),s.framebufferTexture2D(s.FRAMEBUFFER,o,n._cubemap?s.TEXTURE_CUBE_MAP_POSITIVE_X+t._face:s.TEXTURE_2D,t._depthBuffer.impl._glTexture,t.mipLevel);else if(!(t._samples>1)){this._glDepthBuffer||(this._glDepthBuffer=s.createRenderbuffer());const h=t._stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT32F;s.bindRenderbuffer(s.RENDERBUFFER,this._glDepthBuffer),s.renderbufferStorage(s.RENDERBUFFER,h,t.width,t.height),s.framebufferRenderbuffer(s.FRAMEBUFFER,o,s.RENDERBUFFER,this._glDepthBuffer),s.bindRenderbuffer(s.RENDERBUFFER,null)}}}if(t._samples>1){this._glResolveFrameBuffer=this._glFrameBuffer,this._glFrameBuffer=s.createFramebuffer(),e.setFramebuffer(this._glFrameBuffer);const r=t._colorBuffers?.length??0;if(this.suppliedColorFramebuffer!==void 0){const a=s.createRenderbuffer();this._glMsaaColorBuffers.push(a);const n=e.backBufferFormat===Re?s.RGBA8:s.RGB8;s.bindRenderbuffer(s.RENDERBUFFER,a),s.renderbufferStorageMultisample(s.RENDERBUFFER,t._samples,n,t.width,t.height),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0,s.RENDERBUFFER,a)}else for(let a=0;a<r;++a){const n=t.getColorBuffer(a);if(n){const o=s.createRenderbuffer();this._glMsaaColorBuffers.push(o),s.bindRenderbuffer(s.RENDERBUFFER,o),s.renderbufferStorageMultisample(s.RENDERBUFFER,t._samples,n.impl._glInternalFormat,t.width,t.height),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+a,s.RENDERBUFFER,o)}}if(t._depth){const a=t._stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT32F,n=t._stencil?s.DEPTH_STENCIL_ATTACHMENT:s.DEPTH_ATTACHMENT;let o;const c=t._depthBuffer;c&&(o=`${c.id}:${t.width}:${t.height}:${t._samples}:${a}:${n}`,this._glMsaaDepthBuffer=Yl(e).get(o)),this._glMsaaDepthBuffer||(this._glMsaaDepthBuffer=s.createRenderbuffer(),s.bindRenderbuffer(s.RENDERBUFFER,this._glMsaaDepthBuffer),s.renderbufferStorageMultisample(s.RENDERBUFFER,t._samples,a,t.width,t.height),this._glMsaaDepthBuffer.destroy=function(){s.deleteRenderbuffer(this)},c&&Yl(e).set(o,this._glMsaaDepthBuffer)),this.msaaDepthBufferKey=o,s.framebufferRenderbuffer(s.FRAMEBUFFER,n,s.RENDERBUFFER,this._glMsaaDepthBuffer)}r>1&&(this._createMsaaMrtFramebuffers(e,t,r),e.setFramebuffer(this._glFrameBuffer),s.drawBuffers(i))}}_createMsaaMrtFramebuffers(e,t,s){const i=e.gl;this.colorMrtFramebuffers=[];for(let r=0;r<s;++r){const a=t.getColorBuffer(r),n=i.createFramebuffer();e.setFramebuffer(n);const o=this._glMsaaColorBuffers[r];i.bindRenderbuffer(i.RENDERBUFFER,o),i.renderbufferStorageMultisample(i.RENDERBUFFER,t._samples,a.impl._glInternalFormat,t.width,t.height),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.RENDERBUFFER,o),i.drawBuffers([i.COLOR_ATTACHMENT0]);const c=i.createFramebuffer();e.setFramebuffer(c),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,a._cubemap?i.TEXTURE_CUBE_MAP_POSITIVE_X+t._face:i.TEXTURE_2D,a.impl._glTexture,0),this.colorMrtFramebuffers[r]=new gP(n,c)}}_checkFbo(e,t,s=""){const i=t._colorBuffers?.map(h=>h?.format??-1).join(",")??"",r=t._depth?t._depthBuffer?`dt${t._depthBuffer.format}`:t._stencil?"ds":"d":"",a=`${s}:${i}:${r}:${t._samples}`,n=_P.get(e,()=>{const h=new Set;return h.loseContext=()=>h.clear(),h});if(n.has(a))return;const o=e.gl,c=o.checkFramebufferStatus(o.FRAMEBUFFER);switch(c){case o.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:break;case o.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:break;case o.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:break;case o.FRAMEBUFFER_UNSUPPORTED:break}c===o.FRAMEBUFFER_COMPLETE&&n.add(a)}loseContext(){this._glFrameBuffer=null,this._glDepthBuffer=null,this._glResolveFrameBuffer=null,this._glMsaaColorBuffers.length=0,this._glMsaaDepthBuffer=null,this.msaaDepthBufferKey=void 0,this.colorMrtFramebuffers=null,this.suppliedColorFramebuffer=void 0,this._isInitialized=!1}internalResolve(e,t,s,i,r){e.setScissor(0,0,i.width,i.height);const a=e.gl;a.bindFramebuffer(a.READ_FRAMEBUFFER,t),a.bindFramebuffer(a.DRAW_FRAMEBUFFER,s),a.blitFramebuffer(0,0,i.width,i.height,0,0,i.width,i.height,r,a.NEAREST)}resolve(e,t,s,i){const r=e.gl;if(this.colorMrtFramebuffers){if(s)for(let a=0;a<this.colorMrtFramebuffers.length;a++){const n=this.colorMrtFramebuffers[a];this.internalResolve(e,n.msaaFB,n.resolveFB,t,r.COLOR_BUFFER_BIT)}i&&this.internalResolve(e,this._glFrameBuffer,this._glResolveFrameBuffer,t,r.DEPTH_BUFFER_BIT)}else{const a=!!e.defaultFramebuffer&&this._glResolveFrameBuffer===e.defaultFramebuffer;s&&a&&Ce.visionos&&(e.resolveMsaaColorToXrFramebufferViaQuads(this._glFrameBuffer,this._glResolveFrameBuffer,t.width,t.height),s=!1),(s||i)&&this.internalResolve(e,this._glFrameBuffer,this._glResolveFrameBuffer,t,(s?r.COLOR_BUFFER_BIT:0)|(i?r.DEPTH_BUFFER_BIT:0))}r.bindFramebuffer(r.FRAMEBUFFER,this._glFrameBuffer)}}class SP{availablePBOs=[];pendingPBOs=[];constructor(e){this.uploadStream=e,this.useSingleBuffer=e.useSingleBuffer}destroy(){const e=this.uploadStream.device.gl;

412this.availablePBOs.forEach(t=>e.deleteBuffer(t.pbo)),this.pendingPBOs.forEach(t=>{t.sync&&e.deleteSync(t.sync),e.deleteBuffer(t.pbo)})}_onDeviceLost(){this.availablePBOs.length=0,this.pendingPBOs.length=0}update(e){const t=this.uploadStream.device.gl,s=this.pendingPBOs;for(let r=s.length-1;r>=0;r--){const a=s[r],n=t.clientWaitSync(a.sync,0,0);(n===t.CONDITION_SATISFIED||n===t.ALREADY_SIGNALED)&&(t.deleteSync(a.sync),this.availablePBOs.push({pbo:a.pbo,size:a.size}),s.splice(r,1))}const i=this.availablePBOs;for(let r=i.length-1;r>=0;r--)i[r].size<e&&(t.deleteBuffer(i[r].pbo),i.splice(r,1))}upload(e,t,s,i){this.useSingleBuffer?this.uploadDirect(e,t,s,i):this.uploadPBO(e,t,s,i)}uploadDirect(e,t,s,i){const r=this.uploadStream.device,a=r.gl,n=t.impl;r.setTexture(t,0),r.activeTexture(0),r.bindTexture(t),r.setUnpackFlipY(!1),r.setUnpackPremultiplyAlpha(!1),r.setUnpackAlignment(e.BYTES_PER_ELEMENT);let o=e;if(n._glPixelType===a.UNSIGNED_BYTE&&e.BYTES_PER_ELEMENT!==1){const c=i*e.BYTES_PER_ELEMENT;o=new Uint8Array(e.buffer,e.byteOffset,c)}a.texImage2D(a.TEXTURE_2D,0,n._glInternalFormat,t.width,t.height,0,n._glFormat,n._glPixelType,o),n._glCreated=!0}uploadPBO(e,t,s,i){const r=this.uploadStream.device,a=r.gl,n=t.width,o=i*e.BYTES_PER_ELEMENT;this.update(o);const c=s/n,h=i/n,d=this.availablePBOs.pop()??{pbo:a.createBuffer(),size:o};a.bindBuffer(a.PIXEL_UNPACK_BUFFER,d.pbo),a.bufferData(a.PIXEL_UNPACK_BUFFER,o,a.STREAM_DRAW),a.bufferSubData(a.PIXEL_UNPACK_BUFFER,0,new Uint8Array(e.buffer,e.byteOffset,o)),a.bindBuffer(a.PIXEL_UNPACK_BUFFER,null),r.setTexture(t,0),r.activeTexture(0),r.bindTexture(t),a.bindBuffer(a.PIXEL_UNPACK_BUFFER,d.pbo),r.setUnpackFlipY(!1),r.setUnpackPremultiplyAlpha(!1),r.setUnpackAlignment(e.BYTES_PER_ELEMENT),a.pixelStorei(a.UNPACK_ROW_LENGTH,0),a.pixelStorei(a.UNPACK_SKIP_ROWS,0),a.pixelStorei(a.UNPACK_SKIP_PIXELS,0);const u=t.impl;a.texSubImage2D(a.TEXTURE_2D,0,0,c,n,h,u._glFormat,u._glPixelType,0),a.bindBuffer(a.PIXEL_UNPACK_BUFFER,null);const f=a.fenceSync(a.SYNC_GPU_COMMANDS_COMPLETE,0);this.pendingPBOs.push({pbo:d.pbo,size:o,sync:f}),a.flush()}}class yP{_presentationLayer=null;_graphicsBinding=null;_cameraFbSource=null;_cameraFbDest=null;constructor(e){this.xrBridge=e}destroy(e){this._graphicsBinding=null,this._presentationLayer=null,this._deleteCameraFramebuffers(e)}_deleteCameraFramebuffers(e){if(this._cameraFbSource){const t=e.gl;t.deleteFramebuffer(this._cameraFbSource),this._cameraFbSource=null,t.deleteFramebuffer(this._cameraFbDest),this._cameraFbDest=null}}beginFrame(e,t){const s=e.session.renderState.baseLayer;this.xrBridge.device.defaultFramebuffer=s?s.framebuffer:null}endFrame(){this.xrBridge.device.defaultFramebuffer=null}get presentationLayer(){return this._presentationLayer}get graphicsBinding(){return this._graphicsBinding}getFramebufferSize(e,t){const s=e.session.renderState.baseLayer;if(!s){t.set(0,0);return}t.set(s.framebufferWidth,s.framebufferHeight)}getViewport(e,t){const s=e.session.renderState.baseLayer;return s?s.getViewport(t):{x:0,y:0,width:0,height:0}}attachPresentation(e,t){const s=this.xrBridge.device;if(this._presentationLayer=new XRWebGLLayer(e,s.gl,{alpha:!0,depth:!0,stencil:!0,framebufferScaleFactor:t.framebufferScaleFactor,antialias:!1}),window.XRWebGLBinding)try{this._graphicsBinding=new XRWebGLBinding(e,s.gl)}catch(i){this.xrBridge._onBindingError?.(i)}e.updateRenderState({baseLayer:this._presentationLayer,depthNear:t.depthNear,depthFar:t.depthFar})}releasePresentation(){this._graphicsBinding=null}syncCameraColorTexture(e,t){if(!this._graphicsBinding)return;const s=this.xrBridge.device,i=s.gl,r=this._graphicsBinding.getCameraImage(e);if(!r)return;this._cameraFbSource||(this._cameraFbSource=i.createFramebuffer(),this._cameraFbDest=i.createFramebuffer());const a=e.width,n=e.height;s.setFramebuffer(this._cameraFbSource),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,r,0),s.setFramebuffer(this._cameraFbDest),i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,i.TEXTURE_2D,t.impl._glTexture,0),i.bindFramebuffer(i.READ_FRAMEBUFFER,this._cameraFbSource),i.bindFramebuffer(i.DRAW_FRAMEBUFFER,this._cameraFbDest),i.blitFramebuffer(0,n,a,0,0,0,a,n,i.COLOR_BUFFER_BIT,i.NEAREST),s.setFramebuffer(s.defaultFramebuffer)}syncCameraDepthTexture(e,t,s){if(!e?.texture)return;const i=this.xrBridge.device.gl;switch(t.impl._glTexture=e.texture,e.textureType==="texture-array"?t.impl._glTarget=i.TEXTURE_2D_ARRAY:t.impl._glTarget=i.TEXTURE_2D,s){case Ti:t.impl._glInternalFormat=i.R32F,t.impl._glPixelType=i.FLOAT,t.impl._glFormat=i.RED;break;

412case Oi:t.impl._glInternalFormat=i.DEPTH_COMPONENT16,t.impl._glPixelType=i.UNSIGNED_SHORT,t.impl._glFormat=i.DEPTH_COMPONENT;break}t.impl._glCreated=!0}onGraphicsDeviceLost(){const e=this.xrBridge._session;if(!e)return;const t=e.renderState;this._graphicsBinding=null,this._presentationLayer=null,this._cameraFbSource=null,this._cameraFbDest=null,e.updateRenderState({baseLayer:this._presentationLayer,depthNear:t.depthNear,depthFar:t.depthFar})}onGraphicsDeviceRestored(){const e=this.xrBridge;if(!e._session)return;const t=e.device,s=e.eventHandler;setTimeout(()=>{e._session&&t.gl.makeXRCompatible().then(()=>{if(!e._session)return;const i=e._session.renderState;e.attachPresentation(e._session,{framebufferScaleFactor:e._framebufferScaleFactor,depthNear:i.depthNear,depthFar:i.depthFar,onBindingError:e._onBindingError})}).catch(i=>{s.fire("error",i)})},0)}}const xP={type:qs,base:0,count:6,indexed:!0},TP=`
413	attribute vec2 vertex_position;
414	varying vec2 pcTexCoord;
415	void main() {
416		gl_Position = vec4(vertex_position, 0.0, 1.0);
417		pcTexCoord = vertex_position * 0.5 + 0.5;
418	}
419`,wP=`
420	uniform sampler2D pcSource;
421	varying vec2 pcTexCoord;
422	void main() {
423		gl_FragColor = texture2D(pcSource, pcTexCoord);
424	}
425`;class CP{_device;_shader=null;_scratchTex=null;_scratchRt=null;_sourceId=null;constructor(e){this._device=e}_getShader(){if(!this._shader){const e=this._device;this._shader=new tt(e,Ht.createDefinition(e,{name:"XrMsaaCopy",attributes:{vertex_position:Ie},vertexCode:TP,fragmentCode:wP})),this._sourceId=e.scope.resolve("pcSource")}return this._shader}_ensureScratch(e,t){const s=this._device;this._scratchTex&&(this._scratchTex.width!==e||this._scratchTex.height!==t)&&(this._scratchRt.destroy(),this._scratchRt=null,this._scratchTex.destroy(),this._scratchTex=null),this._scratchTex||(this._scratchTex=ce.createDataTexture2D(s,"XrMsaaScratch",e,t,s.backBufferFormat),this._scratchRt=new St({colorBuffer:this._scratchTex,depth:!1,stencil:!1})),this._scratchRt.impl.initialized||this._scratchRt.impl.init(s,this._scratchRt)}copy(e,t,s,i){this._ensureScratch(s,i);const r=this._device,a=r.gl;a.bindFramebuffer(a.READ_FRAMEBUFFER,e),a.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._scratchRt.impl._glFrameBuffer),a.blitFramebuffer(0,0,s,i,0,0,s,i,a.COLOR_BUFFER_BIT,a.NEAREST),r.setDrawStates(xt.NOBLEND,ds.NODEPTH),r.setFramebuffer(t),r.setShader(this._getShader()),r.clearVertexBuffer(),r.setVertexBuffer(r.quadVertexBuffer),this._sourceId.setValue(this._scratchTex);const{vx:n,vy:o,vw:c,vh:h,sx:d,sy:u,sw:f,sh:p}=r;r.setViewport(0,0,s,i),r.setScissor(0,0,s,i),r.draw(xP,r.quadIndexBuffer),r.setViewport(n,o,c,h),r.setScissor(d,u,f,p),r.setFramebuffer(e)}destroy(){this._shader?.destroy(),this._shader=null,this._scratchRt?.destroy(),this._scratchRt=null,this._scratchTex?.destroy(),this._scratchTex=null,this._sourceId=null}}class EP{renderVersion;queries=[];destroy(e){this.queries.forEach(t=>e.deleteQuery(t)),this.queries=null}}class bP extends lT{device;freeQueries=[];frameQueries=[];previousFrameQueries=[];timings=[];constructor(e){super(),this.device=e,this.ext=e.extDisjointTimerQuery}destroy(){this.freeQueries.forEach(e=>this.device.gl.deleteQuery(e)),this.frameQueries.forEach(e=>this.device.gl.deleteQuery(e)),this.previousFrameQueries.forEach(e=>e.destroy(this.device.gl)),this.freeQueries=null,this.frameQueries=null,this.previousFrameQueries=null}loseContext(){super.loseContext(),this.freeQueries=[],this.frameQueries=[],this.previousFrameQueries=[]}restoreContext(){this.ext=this.device.extDisjointTimerQuery}getQuery(){return this.freeQueries.pop()??this.device.gl.createQuery()}start(e){if(this.ext){const t=this.getSlot(e),s=this.getQuery();return this.frameQueries[t]=s,this.device.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,s),t}}end(e){e!==void 0&&this.device.gl.endQuery(this.ext.TIME_ELAPSED_EXT)}frameStart(){this.processEnableRequest(),this._enabled&&(this.frameGPUMarkerSlot=this.start("GpuFrame"))}frameEnd(){this._enabled&&this.end(this.frameGPUMarkerSlot)}request(){if(this._enabled){const e=this.ext,t=this.device.gl,s=this.device.renderVersion,i=this.frameQueries;if(i.length>0){this.frameQueries=[];const r=new EP;r.queries=i,r.renderVersion=s,this.previousFrameQueries.push(r)}if(this.previousFrameQueries.length>0){const r=this.previousFrameQueries[0],a=r.queries,n=a[a.length-1],o=t.getQueryParameter(n,t.QUERY_RESULT_AVAILABLE),c=t.getParameter(e.GPU_DISJOINT_EXT);if(o&&!c){this.previousFrameQueries.shift();const h=this.timings;h.length=0;for(let d=0;d<a.length;d++){const u=a[d],f=t.getQueryParameter(u,t.QUERY_RESULT);h[d]=f*1e-6,this.freeQueries.push(u)}this.report(r.renderVersion,h)}

425c&&(this.previousFrameQueries.forEach(h=>{this.report(h.renderVersion,null),h.destroy(t)}),this.previousFrameQueries.length=0)}super.request(s)}}}const AP=l=>{switch(l){case Zu:return 1;case Qu:return 2;default:return 0}},In=[];class hT extends Je{gl;_defaultFramebuffer=null;_defaultFramebufferChanged=!1;_xrMsaaCopy=null;constructor(e,t={}){super(e,t),t=this.initOptions,this.updateClientRect(),this.initTextureUnits(),this.contextLost=!1,this._contextLostHandler=f=>{f.preventDefault(),this.loseContext()},this._contextRestoredHandler=()=>{this.restoreContext()};const s=typeof navigator<"u"&&navigator.userAgent;if(this.forceDisableMultisampling=s&&s.includes("AppleWebKit")&&(s.includes("15.4")||s.includes("15_4")),this.forceDisableMultisampling&&(t.antialias=!1),Ce.browserName==="firefox"){const p=(typeof navigator<"u"?navigator.userAgent:"").match(/Firefox\/(\d+(\.\d+)*)/),m=p?p[1]:null;if(m){const _=parseFloat(m);(Ce.name==="windows"&&(_>=120||_===115)||Ce.name==="android"&&_>=132)&&(t.antialias=!1)}}this.backBufferAntialias=t.antialias??!1,t.antialias=!1;const i=t.gl??e.getContext("webgl2",t);if(!i)throw new Error("WebGL not supported");this.gl=i,this.isWebGL2=!0,this._deviceType=xd,this.updateBackbufferFormat(null);const r=Ce.browserName==="chrome",a=Ce.browserName==="safari",n=Ce.browser&&navigator.appVersion.indexOf("Mac")!==-1;this._tempEnableSafariTextureUnitWorkaround=a,this._tempMacChromeBlitFramebufferWorkaround=n&&r&&!t.alpha,e.addEventListener("webglcontextlost",this._contextLostHandler,!1),e.addEventListener("webglcontextrestored",this._contextRestoredHandler,!1),this.initializeExtensions(),this.initializeCapabilities(),this.initializeRenderState(),this.initializeContextCaches(),this.createBackbuffer(null),this.supportsImageBitmap=!a&&typeof ImageBitmap<"u",this._samplerTypes=new Set([i.SAMPLER_2D,i.SAMPLER_CUBE,i.UNSIGNED_INT_SAMPLER_2D,i.INT_SAMPLER_2D,i.SAMPLER_2D_SHADOW,i.SAMPLER_CUBE_SHADOW,i.SAMPLER_3D,i.INT_SAMPLER_3D,i.UNSIGNED_INT_SAMPLER_3D,i.SAMPLER_2D_ARRAY,i.INT_SAMPLER_2D_ARRAY,i.UNSIGNED_INT_SAMPLER_2D_ARRAY]),this.glAddress=[i.REPEAT,i.CLAMP_TO_EDGE,i.MIRRORED_REPEAT],this.glBlendEquation=[i.FUNC_ADD,i.FUNC_SUBTRACT,i.FUNC_REVERSE_SUBTRACT,i.MIN,i.MAX],this.glBlendFunctionColor=[i.ZERO,i.ONE,i.SRC_COLOR,i.ONE_MINUS_SRC_COLOR,i.DST_COLOR,i.ONE_MINUS_DST_COLOR,i.SRC_ALPHA,i.SRC_ALPHA_SATURATE,i.ONE_MINUS_SRC_ALPHA,i.DST_ALPHA,i.ONE_MINUS_DST_ALPHA,i.CONSTANT_COLOR,i.ONE_MINUS_CONSTANT_COLOR],this.glBlendFunctionAlpha=[i.ZERO,i.ONE,i.SRC_COLOR,i.ONE_MINUS_SRC_COLOR,i.DST_COLOR,i.ONE_MINUS_DST_COLOR,i.SRC_ALPHA,i.SRC_ALPHA_SATURATE,i.ONE_MINUS_SRC_ALPHA,i.DST_ALPHA,i.ONE_MINUS_DST_ALPHA,i.CONSTANT_ALPHA,i.ONE_MINUS_CONSTANT_ALPHA],this.glComparison=[i.NEVER,i.LESS,i.EQUAL,i.LEQUAL,i.GREATER,i.NOTEQUAL,i.GEQUAL,i.ALWAYS],this.glStencilOp=[i.KEEP,i.ZERO,i.REPLACE,i.INCR,i.INCR_WRAP,i.DECR,i.DECR_WRAP,i.INVERT],this.glClearFlag=[0,i.COLOR_BUFFER_BIT,i.DEPTH_BUFFER_BIT,i.COLOR_BUFFER_BIT|i.DEPTH_BUFFER_BIT,i.STENCIL_BUFFER_BIT,i.STENCIL_BUFFER_BIT|i.COLOR_BUFFER_BIT,i.STENCIL_BUFFER_BIT|i.DEPTH_BUFFER_BIT,i.STENCIL_BUFFER_BIT|i.COLOR_BUFFER_BIT|i.DEPTH_BUFFER_BIT],this.glCull=[0,i.BACK,i.FRONT,i.FRONT_AND_BACK],this.glFrontFace=[i.CCW,i.CW],this.glFilter=[i.NEAREST,i.LINEAR,i.NEAREST_MIPMAP_NEAREST,i.NEAREST_MIPMAP_LINEAR,i.LINEAR_MIPMAP_NEAREST,i.LINEAR_MIPMAP_LINEAR],this.glPrimitive=[i.POINTS,i.LINES,i.LINE_LOOP,i.LINE_STRIP,i.TRIANGLES,i.TRIANGLE_STRIP,i.TRIANGLE_FAN],this.glType=[i.BYTE,i.UNSIGNED_BYTE,i.SHORT,i.UNSIGNED_SHORT,i.INT,i.UNSIGNED_INT,i.FLOAT,i.HALF_FLOAT],this.pcUniformType={},this.pcUniformType[i.BOOL]=So,this.pcUniformType[i.INT]=_r,this.pcUniformType[i.FLOAT]=me,this.pcUniformType[i.FLOAT_VEC2]=sn,this.pcUniformType[i.FLOAT_VEC3]=hs,this.pcUniformType[i.FLOAT_VEC4]=Cr,this.pcUniformType[i.INT_VEC2]=$a,this.pcUniformType[i.INT_VEC3]=gr,this.pcUniformType[i.INT_VEC4]=Ka,this.pcUniformType[i.BOOL_VEC2]=oc,this.pcUniformType[i.BOOL_VEC3]=lc,this.pcUniformType[i.BOOL_VEC4]=cc,this.pcUniformType[i.FLOAT_MAT2]=su,this.pcUniformType[i.FLOAT_MAT3]=Do,this.pcUniformType[i.FLOAT_MAT4]=Ss,this.pcUniformType[i.SAMPLER_2D]=ab,this.pcUniformType[i.SAMPLER_CUBE]=nb,this.pcUniformType[i.UNSIGNED_INT]=le,this.pcUniformType[i.UNSIGNED_INT_VEC2]=Mo,this.pcUniformType[i.UNSIGNED_INT_VEC3]=Ro,this.pcUniformType[i.UNSIGNED_INT_VEC4]=oa,this.pcUniformType[i.SAMPLER_2D_SHADOW]=ob,this.pcUniformType[i.SAMPLER_CUBE_SHADOW]=lb,this.pcUniformType[i.SAMPLER_2D_ARRAY]=hb,this.pcUniformType[i.SAMPLER_3D]=cb,this.pcUniformType[i.INT_SAMPLER_2D]=db,this.pcUniformType[i.UNSIGNED_INT_SAMPLER_2D]=ub,this.pcUniformType[i.INT_SAMPLER_CUBE]=fb,this.pcUniformType[i.UNSIGNED_INT_SAMPLER_2D]=pb,this.pcUniformType[i.INT_SAMPLER_3D]=mb,this.pcUniformType[i.UNSIGNED_INT_SAMPLER_3D]=_b,this.pcUniformType[i.INT_SAMPLER_2D_ARRAY]=gb,this.pcUniformType[i.UNSIGNED_INT_SAMPLER_2D_ARRAY]=vb,this.targetToSlot={},this.targetToSlot[i.TEXTURE_2D]=0,this.targetToSlot[i.TEXTURE_CUBE_MAP]=1,this.targetToSlot[i.TEXTURE_3D]=2;let o,c,h,d,u;this.commitFunction=[],this.commitFunction[So]=function(f,p){f.value!==p&&(i.uniform1i(f.locationId,p),f.value=p)},this.commitFunction[_r]=this.commitFunction[So],this.commitFunction[me]=function(f,p){f.value!==p&&(i.uniform1f(f.locationId,p),f.value=p)},this.commitFunction[sn]=function(f,p){u=f.value,o=p[0],c=p[1],(u[0]!==o||u[1]!==c)&&(i.uniform2fv(f.locationId,p),u[0]=o,u[1]=c)},this.commitFunction[hs]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],(u[0]!==o||u[1]!==c||u[2]!==h)&&(i.uniform3fv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h)},this.commitFunction[Cr]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],d=p[3],(u[0]!==o||u[1]!==c||u[2]!==h||u[3]!==d)&&(i.uniform4fv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h,u[3]=d)},this.commitFunction[$a]=function(f,p){u=f.value,o=p[0],c=p[1],(u[0]!==o||u[1]!==c)&&(i.uniform2iv(f.locationId,p),u[0]=o,u[1]=c)},this.commitFunction[oc]=this.commitFunction[$a],this.commitFunction[gr]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],(u[0]!==o||u[1]!==c||u[2]!==h)&&(i.uniform3iv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h)},this.commitFunction[lc]=this.commitFunction[gr],this.commitFunction[Ka]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],d=p[3],(u[0]!==o||u[1]!==c||u[2]!==h||u[3]!==d)&&(i.uniform4iv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h,u[3]=d)},this.commitFunction[cc]=this.commitFunction[Ka],this.commitFunction[su]=function(f,p){i.uniformMatrix2fv(f.locationId,!1,p)},this.commitFunction[Do]=function(f,p){i.uniformMatrix3fv(f.locationId,!1,p)},this.commitFunction[Ss]=function(f,p){i.uniformMatrix4fv(f.locationId,!1,p)},this.commitFunction[df]=function(f,p){i.uniform1fv(f.locationId,p)},this.commitFunction[uf]=function(f,p){i.uniform2fv(f.locationId,p)},this.commitFunction[ff]=function(f,p){i.uniform3fv(f.locationId,p)},this.commitFunction[pg]=function(f,p){i.uniform4fv(f.locationId,p)},this.commitFunction[le]=function(f,p){f.value!==p&&(i.uniform1ui(f.locationId,p),f.value=p)},this.commitFunction[Mo]=function(f,p){u=f.value,o=p[0],c=p[1],(u[0]!==o||u[1]!==c)&&(i.uniform2uiv(f.locationId,p),u[0]=o,u[1]=c)},this.commitFunction[Ro]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],(u[0]!==o||u[1]!==c||u[2]!==h)&&(i.uniform3uiv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h)},this.commitFunction[oa]=function(f,p){u=f.value,o=p[0],c=p[1],h=p[2],d=p[3],(u[0]!==o||u[1]!==c||u[2]!==h||u[3]!==d)&&(i.uniform4uiv(f.locationId,p),u[0]=o,u[1]=c,u[2]=h,u[3]=d)},this.commitFunction[Lo]=function(f,p){i.uniform1iv(f.locationId,p)},this.commitFunction[pf]=function(f,p){i.uniform1uiv(f.locationId,p)},this.commitFunction[mf]=this.commitFunction[Lo],this.commitFunction[Fo]=function(f,p){i.uniform2iv(f.locationId,p)},this.commitFunction[_f]=function(f,p){i.uniform2uiv(f.locationId,p)},this.commitFunction[gf]=this.commitFunction[Fo],this.commitFunction[Oo]=function(f,p){i.uniform3iv(f.locationId,p)},this.commitFunction[vf]=function(f,p){i.uniform3uiv(f.locationId,p)},this.commitFunction[Sf]=this.commitFunction[Oo],this.commitFunction[iu]=function(f,p){i.uniform4iv(f.locationId,p)},this.commitFunction[mg]=function(f,p){i.uniform4uiv(f.locationId,p)},this.commitFunction[_g]=this.commitFunction[iu],this.commitFunction[Ux]=function(f,p){i.uniformMatrix4fv(f.locationId,!1,p)},this.constantTexSource=this.scope.resolve("source"),this.postInit()}postInit(){super.postInit(),this.gpuProfiler=new bP(this)}destroy(){super.destroy();const e=this.gl;this.feedback&&e.deleteTransformFeedback(this.feedback),this.clearVertexArrayObjectCache(),this._xrMsaaCopy?.destroy(),this._xrMsaaCopy=null,this.canvas.removeEventListener("webglcontextlost",this._contextLostHandler,!1),this.canvas.removeEventListener("webglcontextrestored",this._contextRestoredHandler,!1),this._contextLostHandler=null,this._contextRestoredHandler=null,this.gl=null,super.postDestroy()}createBackbuffer(e){this.supportsStencil=this.initOptions.stencil,this.backBuffer=new St({name:"WebglFramebuffer",graphicsDevice:this,depth:this.initOptions.depth,stencil:this.supportsStencil,samples:this.samples}),this.backBuffer.impl.suppliedColorFramebuffer=e}updateBackbufferFormat(e){const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,e);const s=this.gl.getParameter(this.gl.ALPHA_BITS);this.backBufferFormat=s?Re:Er}updateBackbuffer(){const e=this.canvas.width!==this.backBufferSize.x||this.canvas.height!==this.backBufferSize.y;(this._defaultFramebufferChanged||e)&&(this._defaultFramebufferChanged&&this.updateBackbufferFormat(this._defaultFramebuffer),this._defaultFramebufferChanged=!1,this.backBufferSize.set(this.canvas.width,this.canvas.height),this.backBuffer.destroy(),this.createBackbuffer(this._defaultFramebuffer))}createVertexBufferImpl(e,t){return new oP}createIndexBufferImpl(e){return new lP(e)}createShaderImpl(e){return new fP(e)}createDrawCommandImpl(e){return new pP(e.indexSizeBytes)}createTextureImpl(e){return this.textures.add(e),new mP(e)}createXrBridgeImpl(e){return new yP(e)}createRenderTargetImpl(e){return new vP}createUploadStreamImpl(e){return new SP(e)}getPrecision(){const e=this.gl;let t="highp";if(e.getShaderPrecisionFormat){const s=e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT),i=e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT),r=e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT),a=e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT);if(s&&i&&r&&a){const n=s.precision>0&&r.precision>0,o=i.precision>0&&a.precision>0;n||(o?t="mediump":t="lowp")}}return t}getExtension(){for(let e=0;e<arguments.length;e++)if(this.supportedExtensions.indexOf(arguments[e])!==-1)return this.gl.getExtension(arguments[e]);return null}get extDisjointTimerQuery(){return this._extDisjointTimerQuery||(this._extDisjointTimerQuery=this.getExtension("EXT_disjoint_timer_query_webgl2","EXT_disjoint_timer_query")),this._extDisjointTimerQuery}initializeExtensions(){const e=this.gl;

425this.supportedExtensions=e.getSupportedExtensions()??[],this._extDisjointTimerQuery=null,this.textureRG11B10Renderable=!0,this.extColorBufferFloat=this.getExtension("EXT_color_buffer_float"),this.textureFloatRenderable=!!this.extColorBufferFloat,this.extColorBufferHalfFloat=this.getExtension("EXT_color_buffer_half_float"),this.textureHalfFloatRenderable=!!this.extColorBufferHalfFloat||!!this.extColorBufferFloat,this.extDebugRendererInfo=this.getExtension("WEBGL_debug_renderer_info"),this.extTextureFloatLinear=this.getExtension("OES_texture_float_linear"),this.textureFloatFilterable=!!this.extTextureFloatLinear,this.extFloatBlend=this.getExtension("EXT_float_blend"),this.extTextureFilterAnisotropic=this.getExtension("EXT_texture_filter_anisotropic","WEBKIT_EXT_texture_filter_anisotropic"),this.extParallelShaderCompile=this.getExtension("KHR_parallel_shader_compile"),this.extMultiDraw=this.getExtension("WEBGL_multi_draw"),this.supportsMultiDraw=!!this.extMultiDraw,this.extCompressedTextureETC1=this.getExtension("WEBGL_compressed_texture_etc1"),this.extCompressedTextureETC=this.getExtension("WEBGL_compressed_texture_etc"),this.extCompressedTexturePVRTC=this.getExtension("WEBGL_compressed_texture_pvrtc","WEBKIT_WEBGL_compressed_texture_pvrtc"),this.extCompressedTextureS3TC=this.getExtension("WEBGL_compressed_texture_s3tc","WEBKIT_WEBGL_compressed_texture_s3tc"),this.extCompressedTextureS3TC_SRGB=this.getExtension("WEBGL_compressed_texture_s3tc_srgb"),this.extCompressedTextureATC=this.getExtension("WEBGL_compressed_texture_atc"),this.extCompressedTextureASTC=this.getExtension("WEBGL_compressed_texture_astc"),this.extTextureCompressionBPTC=this.getExtension("EXT_texture_compression_bptc"),this.supportsHtmlTextures=typeof e.texElementImage2D=="function"}initializeCapabilities(){const e=this.gl;let t;const s=typeof navigator<"u"?navigator.userAgent:"";this.maxPrecision=this.precision=this.getPrecision();const i=e.getContextAttributes();this.supportsMsaa=i?.antialias??!1,this.supportsStencil=i?.stencil??!1,this.maxTextureSize=e.getParameter(e.MAX_TEXTURE_SIZE),this.maxCubeMapSize=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),this.maxRenderBufferSize=e.getParameter(e.MAX_RENDERBUFFER_SIZE),this.maxTextures=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),this.maxCombinedTextures=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),this.maxVertexTextures=e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),this.vertexUniformsCount=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),this.fragmentUniformsCount=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),this.maxColorAttachments=e.getParameter(e.MAX_COLOR_ATTACHMENTS),this.maxVolumeSize=e.getParameter(e.MAX_3D_TEXTURE_SIZE),t=this.extDebugRendererInfo,this.unmaskedRenderer=t?e.getParameter(t.UNMASKED_RENDERER_WEBGL):"",this.unmaskedVendor=t?e.getParameter(t.UNMASKED_VENDOR_WEBGL):"";const r=/\bMali-G52+/,a=/SM-[a-zA-Z0-9]+/;this.supportsGpuParticles=!(this.unmaskedVendor==="ARM"&&s.match(a))&&!this.unmaskedRenderer.match(r),t=this.extTextureFilterAnisotropic,this.maxAnisotropy=t?e.getParameter(t.MAX_TEXTURE_MAX_ANISOTROPY_EXT):1;const n=!this.forceDisableMultisampling;this.maxSamples=n?e.getParameter(e.MAX_SAMPLES):1,this.maxSamples=Math.min(this.maxSamples,4),this.samples=n&&this.backBufferAntialias?this.maxSamples:1,this.supportsAreaLights=!Ce.android,this.maxTextures<=8&&(this.supportsAreaLights=!1),this.initCapsDefines()}initializeRenderState(){super.initializeRenderState();const e=this.gl;e.disable(e.BLEND),e.blendFunc(e.ONE,e.ZERO),e.blendEquation(e.FUNC_ADD),e.colorMask(!0,!0,!0,!0),e.blendColor(0,0,0,0),e.enable(e.CULL_FACE),this.cullFace=e.BACK,e.cullFace(e.BACK),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),e.depthMask(!0),this.stencil=!1,e.disable(e.STENCIL_TEST),this.stencilFuncFront=this.stencilFuncBack=cr,this.stencilRefFront=this.stencilRefBack=0,this.stencilMaskFront=this.stencilMaskBack=255,e.stencilFunc(e.ALWAYS,0,255),this.stencilFailFront=this.stencilFailBack=go,this.stencilZfailFront=this.stencilZfailBack=go,this.stencilZpassFront=this.stencilZpassBack=go,this.stencilWriteMaskFront=255,this.stencilWriteMaskBack=255,e.stencilOp(e.KEEP,e.KEEP,e.KEEP),e.stencilMask(255),this.alphaToCoverage=!1,this.raster=!0,e.disable(e.SAMPLE_ALPHA_TO_COVERAGE),e.disable(e.RASTERIZER_DISCARD),this.depthBiasEnabled=!1,e.disable(e.POLYGON_OFFSET_FILL),this.clearDepth=1,e.clearDepth(1),this.clearColor=new Q(0,0,0,0),e.clearColor(0,0,0,0),this.clearStencil=0,e.clearStencil(0),e.hint(e.FRAGMENT_SHADER_DERIVATIVE_HINT,e.NICEST),e.enable(e.SCISSOR_TEST),e.pixelStorei(e.UNPACK_COLORSPACE_CONVERSION_WEBGL,e.NONE),this.unpackFlipY=!1,e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,!1),this.unpackPremultiplyAlpha=!1,e.pixelStorei(e.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),this.unpackAlignment=1,e.pixelStorei(e.UNPACK_ALIGNMENT,1)}initTextureUnits(e=16){this.textureUnits=[];for(let t=0;t<e;t++)this.textureUnits.push([null,null,null])}initializeContextCaches(){super.initializeContextCaches(),this._vaoMap=new Map,this.boundVao=null,this.activeFramebuffer=null,this.feedback=null,this.transformFeedbackBuffer=null,this.textureUnit=0,this.initTextureUnits(this.maxCombinedTextures)}loseContext(){super.loseContext();for(const e of this.shaders)e.loseContext();this.fire("devicelost")}restoreContext(){this.initializeExtensions(),this.initializeCapabilities(),super.restoreContext();for(const e of this.shaders)e.restoreContext();this.fire("devicerestored")}setViewport(e,t,s,i){(this.vx!==e||this.vy!==t||this.vw!==s||this.vh!==i)&&(this.gl.viewport(e,t,s,i),this.vx=e,this.vy=t,this.vw=s,this.vh=i)}setScissor(e,t,s,i){(this.sx!==e||this.sy!==t||this.sw!==s||this.sh!==i)&&(this.gl.scissor(e,t,s,i),this.sx=e,this.sy=t,this.sw=s,this.sh=i)}setFramebuffer(e){if(this.activeFramebuffer!==e){const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,e),this.activeFramebuffer=e}}resolveMsaaColorToXrFramebufferViaQuads(e,t,s,i){this._xrMsaaCopy??(this._xrMsaaCopy=new CP(this)),this._xrMsaaCopy.copy(e,t,s,i)}copyRenderTarget(e,t,s,i){const r=this.gl;

425if(e===this.backBuffer&&(e=null),s){if(t){if(e&&(!e._colorBuffer||!t._colorBuffer||e._colorBuffer._format!==t._colorBuffer._format))return!1}else if(!e._colorBuffer)return!1}if(i&&e&&!e._depth&&(!e._depthBuffer||!t._depthBuffer||e._depthBuffer._format!==t._depthBuffer._format))return!1;const a=this.renderTarget;this.renderTarget=t,this.updateBegin();const n=e?e.impl._glFrameBuffer:this.backBuffer?.impl._glFrameBuffer,o=t?t.impl._glFrameBuffer:this.backBuffer?.impl._glFrameBuffer;r.bindFramebuffer(r.READ_FRAMEBUFFER,n),r.bindFramebuffer(r.DRAW_FRAMEBUFFER,o);const c=e?e.width:t?t.width:this.width,h=e?e.height:t?t.height:this.height;return r.blitFramebuffer(0,0,c,h,0,0,c,h,(s?r.COLOR_BUFFER_BIT:0)|(i?r.DEPTH_BUFFER_BIT:0),r.NEAREST),this.renderTarget=a,r.bindFramebuffer(r.FRAMEBUFFER,a?a.impl._glFrameBuffer:null),!0}frameStart(){super.frameStart(),this.updateBackbuffer(),this.gpuProfiler.frameStart()}frameEnd(){super.frameEnd(),this.gpuProfiler.frameEnd(),this.gpuProfiler.request()}startRenderPass(e){const t=e.renderTarget??this.backBuffer;this.renderTarget=t,this.updateBegin();const{width:s,height:i}=t;this.setViewport(0,0,s,i),this.setScissor(0,0,s,i);const r=e.colorOps,a=e.depthStencilOps;if(r?.clear||a.clearDepth||a.clearStencil){let n=0;const o={};r?.clear&&(n|=Jl,o.color=[r.clearValue.r,r.clearValue.g,r.clearValue.b,r.clearValue.a]),a.clearDepth&&(n|=ec,o.depth=a.clearDepthValue),a.clearStencil&&(n|=Gd,o.stencil=a.clearStencilValue),o.flags=n,this.clear(o)}this.insideRenderPass=!0}endRenderPass(e){this.unbindVertexArray();const t=this.renderTarget,s=e.colorArrayOps.length;if(t){In.length=0;const i=this.gl;for(let r=0;r<s;r++){const a=e.colorArrayOps[r];a.store||a.resolve||In.push(i.COLOR_ATTACHMENT0+r)}t!==this.backBuffer&&(e.depthStencilOps.storeDepth||In.push(i.DEPTH_ATTACHMENT),e.depthStencilOps.storeStencil||In.push(i.STENCIL_ATTACHMENT)),In.length>0&&e.fullSizeClearRect&&i.invalidateFramebuffer(i.DRAW_FRAMEBUFFER,In),s&&e.colorOps?.resolve&&e.samples>1&&t.autoResolve&&t.resolve(!0,!1),t.depthBuffer&&e.depthStencilOps.resolveDepth&&e.samples>1&&t.autoResolve&&t.resolve(!1,!0);for(let r=0;r<s;r++)if(e.colorArrayOps[r].genMipmaps){const n=t._colorBuffers[r];n&&n.impl._glTexture&&n.mipmaps&&(this.activeTexture(this.maxCombinedTextures-1),this.bindTexture(n),this.gl.generateMipmap(n.impl._glTarget))}}this.insideRenderPass=!1}set defaultFramebuffer(e){this._defaultFramebuffer!==e&&(this._defaultFramebuffer=e,this._defaultFramebufferChanged=!0)}get defaultFramebuffer(){return this._defaultFramebuffer}updateBegin(){if(this.boundVao=null,this._tempEnableSafariTextureUnitWorkaround)for(let s=0;s<this.textureUnits.length;++s)for(let i=0;i<3;++i)this.textureUnits[s][i]=null;const e=this.renderTarget??this.backBuffer,t=e.impl;t.initialized||this.initRenderTarget(e),this.setFramebuffer(t._glFrameBuffer)}updateEnd(){this.unbindVertexArray();const e=this.renderTarget;if(e&&e!==this.backBuffer){e._samples>1&&e.autoResolve&&e.resolve();const t=e._colorBuffer;t&&t.impl._glTexture&&t.mipmaps&&(this.activeTexture(this.maxCombinedTextures-1),this.bindTexture(t),this.gl.generateMipmap(t.impl._glTarget))}}setUnpackFlipY(e){if(this.unpackFlipY!==e){this.unpackFlipY=e;const t=this.gl;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,e)}}setUnpackPremultiplyAlpha(e){if(this.unpackPremultiplyAlpha!==e){this.unpackPremultiplyAlpha=e;const t=this.gl;t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e)}}setUnpackAlignment(e){this.unpackAlignment!==e&&(this.unpackAlignment=e,this.gl.pixelStorei(this.gl.UNPACK_ALIGNMENT,e))}activeTexture(e){this.textureUnit!==e&&(this.gl.activeTexture(this.gl.TEXTURE0+e),this.textureUnit=e)}bindTexture(e){const t=e.impl,s=t._glTarget,i=t._glTexture,r=this.textureUnit,a=this.targetToSlot[s];this.textureUnits[r][a]!==i&&(this.gl.bindTexture(s,i),this.textureUnits[r][a]=i)}bindTextureOnUnit(e,t){const s=e.impl,i=s._glTarget,r=s._glTexture,a=this.targetToSlot[i];this.textureUnits[t][a]!==r&&(this.activeTexture(t),this.gl.bindTexture(i,r),this.textureUnits[t][a]=r)}setTextureParameters(e){const t=this.gl,s=e.impl.dirtyParameterFlags,i=e.impl._glTarget;if(s&Hm){let r=e._minFilter;(!e._mipmaps||e._compressed&&e._levels.length===1)&&(r===Ac||r===Pc?r=Fe:(r===Ic||r===ia)&&(r=It)),t.texParameteri(i,t.TEXTURE_MIN_FILTER,this.glFilter[r])}if(s&Hx&&t.texParameteri(i,t.TEXTURE_MAG_FILTER,this.glFilter[e._magFilter]),s&Wx&&t.texParameteri(i,t.TEXTURE_WRAP_S,this.glAddress[e._addressU]),s&Xx&&t.texParameteri(i,t.TEXTURE_WRAP_T,this.glAddress[e._addressV]),s&Yx&&t.texParameteri(i,t.TEXTURE_WRAP_R,this.glAddress[e._addressW]),s&jx&&t.texParameteri(i,t.TEXTURE_COMPARE_MODE,e._compareOnRead?t.COMPARE_REF_TO_TEXTURE:t.NONE),s&qx&&t.texParameteri(i,t.TEXTURE_COMPARE_FUNC,this.glComparison[e._compareFunc]),s&$x){const r=this.extTextureFilterAnisotropic;r&&t.texParameterf(i,r.TEXTURE_MAX_ANISOTROPY_EXT,H.clamp(Math.round(e._anisotropy),1,this.maxAnisotropy))}}setTexture(e,t){const s=e.impl;s._glTexture||s.initialize(this,e),s.dirtyParameterFlags>0||e._needsUpload||e._needsMipmapsUpload?(this.activeTexture(t),this.bindTexture(e),s.dirtyParameterFlags&&(this.setTextureParameters(e),s.dirtyParameterFlags=0),(e._needsUpload||e._needsMipmapsUpload)&&(s.upload(this,e),e._needsUpload=!1,e._needsMipmapsUpload=!1)):this.bindTextureOnUnit(e,t)}createVertexArray(e){let t,s;const i=e.length>1;if(i){t="";for(let r=0;r<e.length;r++){const a=e[r];t+=a.id+a.format.renderingHash}s=this._vaoMap.get(t)}if(!s){const r=this.gl;s=r.createVertexArray(),r.bindVertexArray(s),r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,null);for(let a=0;a<e.length;a++){const n=e[a];r.bindBuffer(r.ARRAY_BUFFER,n.impl.bufferId);const o=n.format.elements;for(let c=0;c<o.length;c++){const h=o[c],d=Be[h.name];h.asInt?r.vertexAttribIPointer(d,h.numComponents,this.glType[h.dataType],h.stride,h.offset):r.vertexAttribPointer(d,h.numComponents,this.glType[h.dataType],h.normalize,h.stride,h.offset),r.enableVertexAttribArray(d),n.format.instancing&&r.vertexAttribDivisor(d,1)}}r.bindVertexArray(null),r.bindBuffer(r.ARRAY_BUFFER,null),i&&this._vaoMap.set(t,s)}return s}unbindVertexArray(){this.boundVao&&(this.boundVao=null,this.gl.bindVertexArray(null))}setBuffers(e){const t=this.gl;let s;if(this.vertexBuffers.length===1){const r=this.vertexBuffers[0];r.impl.vao||(r.impl.vao=this.createVertexArray(this.vertexBuffers)),s=r.impl.vao}else s=this.createVertexArray(this.vertexBuffers);this.boundVao!==s&&(this.boundVao=s,t.bindVertexArray(s));const i=e?e.impl.bufferId:null;t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,i)}_multiDrawLoopFallback(e,t,s,i,r){const a=this.gl;if(t.indexed){const n=s.impl.glFormat,{glCounts:o,glOffsetsBytes:c,glInstanceCounts:h,count:d}=r.impl;if(i>0)for(let u=0;u<d;u++)a.drawElementsInstanced(e,o[u],n,c[u],h[u]);else for(let u=0;u<d;u++)a.drawElements(e,o[u],n,c[u])}

425else{const{glCounts:n,glOffsetsBytes:o,glInstanceCounts:c,count:h}=r.impl;if(i>0)for(let d=0;d<h;d++)a.drawArraysInstanced(e,o[d],n[d],c[d]);else for(let d=0;d<h;d++)a.drawArrays(e,o[d],n[d])}}draw(e,t,s,i,r=!0,a=!0){const n=this.shader;if(n&&(this.activateShader(),this.shaderValid)){const o=this.gl;r&&this.setBuffers(t);let c=0;const h=n.impl.samplers;for(let p=0,m=h.length;p<m;p++){const _=h[p];let g=_.scopeId.value;if(!g){const v=_.scopeId.name;v==="uSceneDepthMap"&&(g=Za(this,"white")),v==="uSceneColorMap"&&(g=Za(this,"pink")),g||(g=Za(this,"pink"))}if(g instanceof ce){const v=g;this.setTexture(v,c),_.slot!==c&&(o.uniform1i(_.locationId,c),_.slot=c),c++}else{_.array.length=0;const v=g.length;for(let x=0;x<v;x++){const y=g[x];this.setTexture(y,c),_.array[x]=c,c++}o.uniform1iv(_.locationId,_.array)}}const d=n.impl.uniforms;for(let p=0,m=d.length;p<m;p++){const _=d[p],g=_.scopeId,v=_.version,x=g.versionObject.version;if(v.globalId!==x.globalId||v.revision!==x.revision){v.globalId=x.globalId,v.revision=x.revision;const y=g.value;y!=null&&this.commitFunction[_.dataType](_,y)}}this.transformFeedbackBuffer&&(o.bindBufferBase(o.TRANSFORM_FEEDBACK_BUFFER,0,this.transformFeedbackBuffer.impl.bufferId),o.beginTransformFeedback(o.POINTS));const u=this.glPrimitive[e.type],f=e.count;if(i)if(this.extMultiDraw){const p=i.impl;if(e.indexed){const m=t.impl.glFormat;s>0?this.extMultiDraw.multiDrawElementsInstancedWEBGL(u,p.glCounts,0,m,p.glOffsetsBytes,0,p.glInstanceCounts,0,i.count):this.extMultiDraw.multiDrawElementsWEBGL(u,p.glCounts,0,m,p.glOffsetsBytes,0,i.count)}

425else s>0?this.extMultiDraw.multiDrawArraysInstancedWEBGL(u,p.glOffsetsBytes,0,p.glCounts,0,p.glInstanceCounts,0,i.count):this.extMultiDraw.multiDrawArraysWEBGL(u,p.glOffsetsBytes,0,p.glCounts,0,i.count)}else this._multiDrawLoopFallback(u,e,t,s,i);else if(e.indexed){const p=t.impl.glFormat,m=e.base*t.bytesPerIndex;s>0?o.drawElementsInstanced(u,f,p,m,s):o.drawElements(u,f,p,m)}else{const p=e.base;s>0?o.drawArraysInstanced(u,p,f,s):o.drawArrays(u,p,f)}this.transformFeedbackBuffer&&(o.endTransformFeedback(),o.bindBufferBase(o.TRANSFORM_FEEDBACK_BUFFER,0,null)),this._drawCallsPerFrame++}a&&this.clearVertexBuffer()}clear(e){const t=this.defaultClearOptions;e=e||t;const s=e.flags??t.flags;if(s!==0){const i=this.gl;if(s&Jl){const r=e.color??t.color,a=r[0],n=r[1],o=r[2],c=r[3],h=this.clearColor;(a!==h.r||n!==h.g||o!==h.b||c!==h.a)&&(this.gl.clearColor(a,n,o,c),this.clearColor.set(a,n,o,c)),this.setBlendState(xt.NOBLEND)}if(s&ec){const r=e.depth??t.depth;r!==this.clearDepth&&(this.gl.clearDepth(r),this.clearDepth=r),this.setDepthState(ds.WRITEDEPTH)}if(s&Gd){const r=e.stencil??t.stencil;r!==this.clearStencil&&(this.gl.clearStencil(r),this.clearStencil=r),i.stencilMask(255),this.stencilWriteMaskFront=255,this.stencilWriteMaskBack=255}i.clear(this.glClearFlag[s])}}submit(){this.gl.flush()}readPixels(e,t,s,i,r){const a=this.gl;a.readPixels(e,t,s,i,a.RGBA,a.UNSIGNED_BYTE,r)}clientWaitAsync(e,t){const s=this.gl,i=s.fenceSync(s.SYNC_GPU_COMMANDS_COMPLETE,0);return this.submit(),new Promise((r,a)=>{function n(){const o=s.clientWaitSync(i,e,0);o===s.TIMEOUT_EXPIRED?setTimeout(n,t):(s.deleteSync(i),o===s.WAIT_FAILED?a(new Error("webgl clientWaitSync sync failed")):r())}n()})}async readPixelsAsync(e,t,s,i,r,a=!1){const n=this.gl;let o,c;if(a)o=n.RGBA,c=n.UNSIGNED_BYTE;else{const d=this.renderTarget.colorBuffer?.impl;o=d?._glFormat??n.RGBA,c=d?._glPixelType??n.UNSIGNED_BYTE}const h=n.createBuffer();return n.bindBuffer(n.PIXEL_PACK_BUFFER,h),n.bufferData(n.PIXEL_PACK_BUFFER,r.byteLength,n.STREAM_READ),n.readPixels(e,t,s,i,o,c,0),n.bindBuffer(n.PIXEL_PACK_BUFFER,null),await this.clientWaitAsync(0,16),n.bindBuffer(n.PIXEL_PACK_BUFFER,h),n.getBufferSubData(n.PIXEL_PACK_BUFFER,0,r),n.bindBuffer(n.PIXEL_PACK_BUFFER,null),n.deleteBuffer(h),r}readTextureAsync(e,t,s,i,r,a){const n=a.face??0,o=a.mipLevel??0,c=a.renderTarget??new St({colorBuffer:e,depth:!1,face:n,mipLevel:o}),h=AP(e._format),d=h>0,u=ng(e._format),f=a.data??new u(Xt.calcLevelGpuSize(i,r,1,e._format)/u.BYTES_PER_ELEMENT),p=d?new Uint8Array(i*r*4):f;return this.setRenderTarget(c),this.initRenderTarget(c),this.setFramebuffer(c.impl._glFrameBuffer),a.immediate&&this.gl.flush(),new Promise((m,_)=>{this.readPixelsAsync(t,s,i,r,p,d).then(v=>{if(!this._destroyed)if(a.renderTarget||c.destroy(),d){const x=i*r;for(let y=0;y<x;y++)for(let S=0;S<h;S++)f[y*h+S]=v[y*4+S];m(f)}else m(v)}).catch(_)})}async writeTextureAsync(e,t,s,i,r,a){const n=this.gl,o=e.impl,c=o?._glFormat??n.RGBA,h=o?._glPixelType??n.UNSIGNED_BYTE,d=n.createBuffer();n.bindBuffer(n.PIXEL_UNPACK_BUFFER,d),n.bufferData(n.PIXEL_UNPACK_BUFFER,a,n.STREAM_DRAW),n.bindTexture(n.TEXTURE_2D,o._glTexture),n.texSubImage2D(n.TEXTURE_2D,0,t,s,i,r,c,h,0),n.bindBuffer(n.PIXEL_UNPACK_BUFFER,null),e._needsUpload=!1,e._mipmapsUploaded=!1,await this.clientWaitAsync(0,16)}setAlphaToCoverage(e){this.alphaToCoverage!==e&&(this.alphaToCoverage=e,e?this.gl.enable(this.gl.SAMPLE_ALPHA_TO_COVERAGE):this.gl.disable(this.gl.SAMPLE_ALPHA_TO_COVERAGE))}setTransformFeedbackBuffer(e){if(this.transformFeedbackBuffer!==e){this.transformFeedbackBuffer=e;const t=this.gl;e?(this.feedback||(this.feedback=t.createTransformFeedback()),t.bindTransformFeedback(t.TRANSFORM_FEEDBACK,this.feedback)):t.bindTransformFeedback(t.TRANSFORM_FEEDBACK,null)}}setRaster(e){this.raster!==e&&(this.raster=e,e?this.gl.disable(this.gl.RASTERIZER_DISCARD):this.gl.enable(this.gl.RASTERIZER_DISCARD))}setStencilTest(e){if(this.stencil!==e){const t=this.gl;e?t.enable(t.STENCIL_TEST):t.disable(t.STENCIL_TEST),this.stencil=e}}setStencilFunc(e,t,s){(this.stencilFuncFront!==e||this.stencilRefFront!==t||this.stencilMaskFront!==s||this.stencilFuncBack!==e||this.stencilRefBack!==t||this.stencilMaskBack!==s)&&(this.gl.stencilFunc(this.glComparison[e],t,s),this.stencilFuncFront=this.stencilFuncBack=e,this.stencilRefFront=this.stencilRefBack=t,this.stencilMaskFront=this.stencilMaskBack=s)}

425setStencilFuncFront(e,t,s){if(this.stencilFuncFront!==e||this.stencilRefFront!==t||this.stencilMaskFront!==s){const i=this.gl;i.stencilFuncSeparate(i.FRONT,this.glComparison[e],t,s),this.stencilFuncFront=e,this.stencilRefFront=t,this.stencilMaskFront=s}}setStencilFuncBack(e,t,s){if(this.stencilFuncBack!==e||this.stencilRefBack!==t||this.stencilMaskBack!==s){const i=this.gl;i.stencilFuncSeparate(i.BACK,this.glComparison[e],t,s),this.stencilFuncBack=e,this.stencilRefBack=t,this.stencilMaskBack=s}}setStencilOperation(e,t,s,i){(this.stencilFailFront!==e||this.stencilZfailFront!==t||this.stencilZpassFront!==s||this.stencilFailBack!==e||this.stencilZfailBack!==t||this.stencilZpassBack!==s)&&(this.gl.stencilOp(this.glStencilOp[e],this.glStencilOp[t],this.glStencilOp[s]),this.stencilFailFront=this.stencilFailBack=e,this.stencilZfailFront=this.stencilZfailBack=t,this.stencilZpassFront=this.stencilZpassBack=s),(this.stencilWriteMaskFront!==i||this.stencilWriteMaskBack!==i)&&(this.gl.stencilMask(i),this.stencilWriteMaskFront=i,this.stencilWriteMaskBack=i)}setStencilOperationFront(e,t,s,i){(this.stencilFailFront!==e||this.stencilZfailFront!==t||this.stencilZpassFront!==s)&&(this.gl.stencilOpSeparate(this.gl.FRONT,this.glStencilOp[e],this.glStencilOp[t],this.glStencilOp[s]),this.stencilFailFront=e,this.stencilZfailFront=t,this.stencilZpassFront=s),this.stencilWriteMaskFront!==i&&(this.gl.stencilMaskSeparate(this.gl.FRONT,i),this.stencilWriteMaskFront=i)}setStencilOperationBack(e,t,s,i){(this.stencilFailBack!==e||this.stencilZfailBack!==t||this.stencilZpassBack!==s)&&(this.gl.stencilOpSeparate(this.gl.BACK,this.glStencilOp[e],this.glStencilOp[t],this.glStencilOp[s]),this.stencilFailBack=e,this.stencilZfailBack=t,this.stencilZpassBack=s),this.stencilWriteMaskBack!==i&&(this.gl.stencilMaskSeparate(this.gl.BACK,i),this.stencilWriteMaskBack=i)}setBlendState(e){const t=this.blendState;if(!t.equals(e)){const s=this.gl,{blend:i,colorOp:r,alphaOp:a,colorSrcFactor:n,colorDstFactor:o,alphaSrcFactor:c,alphaDstFactor:h}=e;if(t.blend!==i&&(i?s.enable(s.BLEND):s.disable(s.BLEND)),t.colorOp!==r||t.alphaOp!==a){const d=this.glBlendEquation;s.blendEquationSeparate(d[r],d[a])}(t.colorSrcFactor!==n||t.colorDstFactor!==o||t.alphaSrcFactor!==c||t.alphaDstFactor!==h)&&s.blendFuncSeparate(this.glBlendFunctionColor[n],this.glBlendFunctionColor[o],this.glBlendFunctionAlpha[c],this.glBlendFunctionAlpha[h]),t.allWrite!==e.allWrite&&this.gl.colorMask(e.redWrite,e.greenWrite,e.blueWrite,e.alphaWrite),t.copy(e)}}setBlendColor(e,t,s,i){const r=this.blendColor;(e!==r.r||t!==r.g||s!==r.b||i!==r.a)&&(this.gl.blendColor(e,t,s,i),r.set(e,t,s,i))}setStencilState(e,t){e||t?(this.setStencilTest(!0),e===t?(this.setStencilFunc(e.func,e.ref,e.readMask),this.setStencilOperation(e.fail,e.zfail,e.zpass,e.writeMask)):(e??(e=$s.DEFAULT),this.setStencilFuncFront(e.func,e.ref,e.readMask),this.setStencilOperationFront(e.fail,e.zfail,e.zpass,e.writeMask),t??(t=$s.DEFAULT),this.setStencilFuncBack(t.func,t.ref,t.readMask),this.setStencilOperationBack(t.fail,t.zfail,t.zpass,t.writeMask))):this.setStencilTest(!1)}setDepthState(e){const t=this.depthState;if(!t.equals(e)){const s=this.gl,i=e.write;t.write!==i&&s.depthMask(i);let{func:r,test:a}=e;!a&&i&&(a=!0,r=cr),t.func!==r&&s.depthFunc(this.glComparison[r]),t.test!==a&&(a?s.enable(s.DEPTH_TEST):s.disable(s.DEPTH_TEST));const{depthBias:n,depthBiasSlope:o}=e;n||o?(this.depthBiasEnabled||(this.depthBiasEnabled=!0,this.gl.enable(this.gl.POLYGON_OFFSET_FILL)),s.polygonOffset(o,n)):this.depthBiasEnabled&&(this.depthBiasEnabled=!1,this.gl.disable(this.gl.POLYGON_OFFSET_FILL)),t.copy(e)}}setCullMode(e){if(this.cullMode!==e){if(e===Yt)this.gl.disable(this.gl.CULL_FACE);else{this.cullMode===Yt&&this.gl.enable(this.gl.CULL_FACE);const t=this.glCull[e];this.cullFace!==t&&(this.gl.cullFace(t),this.cullFace=t)}this.cullMode=e}}setFrontFace(e){if(this.frontFace!==e){const t=this.glFrontFace[e];this.gl.frontFace(t),this.frontFace=e}}setShader(e,t=!1){e!==this.shader&&(this.shader=e,this.shaderAsyncCompile=t,this.shaderValid=void 0)}activateShader(){const{shader:e}=this,{impl:t}=e;this.shaderValid===void 0&&(e.failed?this.shaderValid=!1:e.ready||(this.shaderAsyncCompile?t.isLinked(this)?t.finalize(this,e)||(e.failed=!0,this.shaderValid=!1):this.shaderValid=!1:t.finalize(this,e)||(e.failed=!0,this.shaderValid=!1))),this.shaderValid===void 0&&(this.gl.useProgram(t.glProgram),this.shaderValid=!0)}clearVertexArrayObjectCache(){const e=this.gl;

425this._vaoMap.forEach((t,s,i)=>{e.deleteVertexArray(t)}),this._vaoMap.clear()}set fullscreen(e){e?this.gl.canvas.requestFullscreen():document.exitFullscreen()}get fullscreen(){return!!document.fullscreenElement}}class PP{unlock(e){}}class IP{destroy(e){}init(e,t){}loseContext(){}resolve(e,t,s,i){}}class DP{destroy(e){}loseContext(){}restoreContext(e,t){}}class MP{destroy(e){}propertyChanged(e){}loseContext(){}}class RP{destroy(e){}unlock(e){}}class LP{add(e,t,s,i){}}class FP extends Je{constructor(e,t={}){super(e,t),t=this.initOptions,this.isNull=!0,this._deviceType=Td,this.samples=1,this.backBuffer=new St({name:"Framebuffer",graphicsDevice:this,depth:this.initOptions.depth,stencil:this.supportsStencil,samples:this.samples}),this.initDeviceCaps()}destroy(){super.destroy()}initDeviceCaps(){this.disableParticleSystem=!0,this.precision="highp",this.maxPrecision="highp",this.maxSamples=4,this.maxTextures=16,this.maxTextureSize=4096,this.maxCubeMapSize=4096,this.maxVolumeSize=4096,this.maxColorAttachments=8,this.maxPixelRatio=1,this.maxAnisotropy=16,this.supportsUniformBuffers=!1,this.supportsAreaLights=!0,this.supportsGpuParticles=!1,this.textureFloatRenderable=!0,this.textureHalfFloatRenderable=!0,this.supportsImageBitmap=!1}postInit(){super.postInit()}frameStart(){super.frameStart()}frameEnd(){super.frameEnd()}updateBegin(){}updateEnd(){}readPixels(e,t,s,i,r){}createVertexBufferImpl(e,t){return new RP(e,t)}createIndexBufferImpl(e){return new PP(e)}createShaderImpl(e){return new DP(e)}createTextureImpl(e){return new MP(e)}createRenderTargetImpl(e){return new IP(e)}createDrawCommandImpl(e){return new LP}createUploadStreamImpl(e){return null}draw(e,t,s,i,r=!0,a=!0){}setShader(e,t=!1){}setBlendState(e){}setDepthState(e){}setStencilState(e,t){}setBlendColor(e,t,s,i){}setCullMode(e){}setFrontFace(e){}setAlphaToCoverage(e){}initializeContextCaches(){super.initializeContextCaches()}clear(e){}setViewport(e,t,s,i){}setScissor(e,t,s,i){}copyRenderTarget(e,t,s,i){return!0}}function OP(l,e={}){const t=e.deviceTypes??[];t.includes(xd)||t.push(xd),t.includes(Td)||t.push(Td);const s=[];for(let i=0;i<t.length;i++){const r=t[i];if((r===Gx||r===Tv)&&window?.navigator?.gpu){const a=r===Tv?"bare":void 0;s.push(()=>new nP(l,{...e,featureLevel:a}).initWebGpu(e.glslangUrl,e.twgslUrl))}r===xd&&s.push(()=>new hT(l,e)),r===Td&&s.push(()=>new FP(l,e))}return new Promise((i,r)=>{let a=0;const n=()=>{a>=s.length?r(new Error("Failed to create a graphics device")):Promise.resolve(s[a++]()).then(o=>{o?i(o):n()}).catch(o=>{console.log(o),n()})};n()})}class BP{value;scopeId=null}class Qe{shader=null;name;parameters=new Map;countX=1;countY;countZ;indirectSlotIndex=-1;indirectBuffer=null;indirectFrameStamp=0;constructor(e,t,s="Unnamed"){this.device=e,this.shader=t,this.name=s,e.supportsCompute&&(this.impl=e.createComputeImpl(this))}setParameter(e,t){let s=this.parameters.get(e);s||(s=new BP,s.scopeId=this.device.scope.resolve(e),this.parameters.set(e,s)),s.value=t}getParameter(e){return this.parameters.get(e)?.value}deleteParameter(e){this.parameters.delete(e)}destroy(){this.impl?.destroy(),this.impl=null}applyParameters(){for(const[,e]of this.parameters)e.scopeId.setValue(e.value)}setupDispatch(e,t,s){this.countX=e,this.countY=t,this.countZ=s,this.indirectSlotIndex=-1,this.indirectBuffer=null}setupIndirectDispatch(e,t=null){this.indirectSlotIndex=e,this.indirectBuffer=t,this.indirectFrameStamp=this.device.renderVersion}static calcDispatchSize(e,t,s=65535){if(e<=s)return t.set(e,1);const i=Math.ceil(e/s);return t.set(Math.ceil(e/i),i)}}class rS{device;indexSizeBytes;_maxCount=0;get maxCount(){return this._maxCount}impl=null;_count=1;get count(){return this._count}slotIndex=0;primitiveCount=0;constructor(e,t=0){this.device=e,this.indexSizeBytes=t,this.impl=e.createDrawCommandImpl(this)}destroy(){this.impl?.destroy?.(),this.impl=null}allocate(e){this._maxCount=e,this.impl.allocate?.(e)}add(e,t,s,i,r=0,a=0){this.impl.add(e,t,s,i,r,a)}update(e){this._count=e,this.primitiveCount=this.impl.update?.(e)??0}}class gn{_name;device;_enabled=!0;_skipStart=!1;_skipEnd=!1;executeEnabled=!0;requiresCubemaps=!1;beforePasses=[];

425afterPasses=[];constructor(e){this.device=e}set name(e){this._name=e}get name(){return this._name||(this._name=this.constructor.name),this._name}set enabled(e){this._enabled!==e&&(this._enabled=e,e?this.onEnable():this.onDisable())}get enabled(){return this._enabled}onEnable(){}onDisable(){}frameUpdate(){}before(){}execute(){}after(){}destroy(){}render(){this.enabled&&(this.before(),this.executeEnabled&&this.execute(),this.after(),this.device.renderPassIndex++)}}class NP{clearValue=new Q(0,0,0,1);clearValueLinear=new Q(0,0,0,1);clear=!1;store=!1;resolve=!0;genMipmaps=!1}class kP{clearDepthValue=1;clearStencilValue=0;clearDepth=!1;clearStencil=!1;storeDepth=!1;resolveDepth=!1;storeStencil=!1}class Pr extends gn{renderTarget;_options;samples=0;colorArrayOps=[];get colorOps(){return this.colorArrayOps[0]}depthStencilOps;requiresCubemaps=!0;fullSizeClearRect=!0;set scaleX(e){this._options.scaleX=e}get scaleX(){return this._options.scaleX}set scaleY(e){this._options.scaleY=e}get scaleY(){return this._options.scaleY}set options(e){this._options=e,e&&(this.scaleX=this.scaleX??1,this.scaleY=this.scaleY??1)}get options(){return this._options}init(e=null,t){this.options=t,this.renderTarget=e,this.samples=Math.max(this.renderTarget?this.renderTarget.samples:this.device.samples,1),this.allocateAttachments(),this.postInit()}allocateAttachments(){const e=this.renderTarget;this.depthStencilOps=new kP,e?.depthBuffer&&(this.depthStencilOps.storeDepth=!0);const t=e?e._colorBuffers?.length??0:1;this.colorArrayOps.length=0;for(let s=0;s<t;s++){const i=new NP;this.colorArrayOps[s]=i,this.samples===1&&(i.store=!0,i.resolve=!1);const r=this.renderTarget?._colorBuffers?.[s];if(this.renderTarget?.mipmaps&&r?.mipmaps){const a=Qr(r._format);i.genMipmaps=!a}}}postInit(){}frameUpdate(){if(this._options&&this.renderTarget){const e=this._options.resizeSource??this.device.backBuffer,t=Math.floor(e.width*this.scaleX),s=Math.floor(e.height*this.scaleY);this.renderTarget.resize(t,s)}}setClearColor(e){const t=this.colorArrayOps.length;for(let s=0;s<t;s++){const i=this.colorArrayOps[s];e&&(i.clearValue.copy(e),i.clearValueLinear.linear(e)),i.clear=!!e}}setClearDepth(e){e!==void 0&&(this.depthStencilOps.clearDepthValue=e),this.depthStencilOps.clearDepth=e!==void 0}setClearStencil(e){e!==void 0&&(this.depthStencilOps.clearStencilValue=e),this.depthStencilOps.clearStencil=e!==void 0}render(){if(this.enabled){const e=this.device,t=this.renderTarget!==void 0;this.before(),this.executeEnabled&&(t&&!this._skipStart&&e.startRenderPass(this),this.execute(),t&&!this._skipEnd&&e.endRenderPass(this)),this.after(),e.renderPassIndex++}}}function UP(l){this.array[this.index]=l}function zP(l,e){this.array[this.index]=l,this.array[this.index+1]=e}function VP(l,e,t){this.array[this.index]=l,this.array[this.index+1]=e,this.array[this.index+2]=t}function GP(l,e,t,s){this.array[this.index]=l,this.array[this.index+1]=e,this.array[this.index+2]=t,this.array[this.index+3]=s}function HP(l,e,t){this.array[l]=e[t]}function WP(l,e,t){this.array[l]=e[t],this.array[l+1]=e[t+1]}function XP(l,e,t){this.array[l]=e[t],this.array[l+1]=e[t+1],this.array[l+2]=e[t+2]}function YP(l,e,t){this.array[l]=e[t],this.array[l+1]=e[t+1],this.array[l+2]=e[t+2],this.array[l+3]=e[t+3]}function jP(l,e,t){e[t]=this.array[l]}function qP(l,e,t){e[t]=this.array[l],e[t+1]=this.array[l+1]}function $P(l,e,t){e[t]=this.array[l],e[t+1]=this.array[l+1],e[t+2]=this.array[l+2]}function KP(l,e,t){e[t]=this.array[l],e[t+1]=this.array[l+1],e[t+2]=this.array[l+2],e[t+3]=this.array[l+3]}class ZP{constructor(e,t,s){switch(this.index=0,this.numComponents=t.numComponents,s.interleaved?this.array=new yo[t.dataType](e,t.offset):this.array=new yo[t.dataType](e,t.offset,s.vertexCount*t.numComponents),this.stride=t.stride/this.array.constructor.BYTES_PER_ELEMENT,t.numComponents){case 1:this.set=UP,this.getToArray=jP,this.setFromArray=HP;break;case 2:this.set=zP,this.getToArray=qP,this.setFromArray=WP;break;case 3:this.set=VP,this.getToArray=$P,this.setFromArray=XP;break;case 4:this.set=GP,this.getToArray=KP,this.setFromArray=YP;break}}get(e){return this.array[this.index+e]}

425set(e,t,s,i){}getToArray(e,t,s){}setFromArray(e,t,s){}}class jl{constructor(e){this.vertexBuffer=e,this.vertexFormatSize=e.getFormat().size,this.buffer=this.vertexBuffer.lock(),this.accessors=[],this.element={};const t=this.vertexBuffer.getFormat();for(let s=0;s<t.elements.length;s++){const i=t.elements[s];this.accessors[s]=new ZP(this.buffer,i,t),this.element[i.name]=this.accessors[s]}}next(e=1){let t=0;const s=this.accessors,i=this.accessors.length;for(;t<i;){const r=s[t++];r.index+=e*r.stride}}end(){this.vertexBuffer.unlock()}writeData(e,t,s){const i=this.element[e];if(i){s>this.vertexBuffer.numVertices&&(s=this.vertexBuffer.numVertices);const r=i.numComponents;if(this.vertexBuffer.getFormat().interleaved){let a=0;for(let n=0;n<s;n++)i.setFromArray(a,t,n*r),a+=i.stride}else if(t.length>s*r){const a=s*r;if(ArrayBuffer.isView(t))t=t.subarray(0,a),i.array.set(t);else for(let n=0;n<a;n++)i.array[n]=t[n]}else i.array.set(t)}}readData(e,t){const s=this.element[e];let i=0;if(s){i=this.vertexBuffer.numVertices;let r;const a=s.numComponents;if(this.vertexBuffer.getFormat().interleaved){Array.isArray(t)&&(t.length=0),s.index=0;let n=0;for(r=0;r<i;r++)s.getToArray(n,t,r*a),n+=s.stride}else if(ArrayBuffer.isView(t))t.set(s.array);else{t.length=0;const n=i*a;for(r=0;r<n;r++)t[r]=s.array[r]}}return i}}const QP=-1;class JP{key=null;element=null;event=null;constructor(e,t){t&&(this.key=t.keyCode,this.element=t.target,this.event=t)}}const vh=new JP;function cp(l){return vh.key=l.keyCode,vh.element=l.target,vh.event=l,vh}function Sh(l){return typeof l=="string"?l.toUpperCase().charCodeAt(0):l}const eI={9:"Tab",13:"Enter",16:"Shift",17:"Control",18:"Alt",27:"Escape",37:"Left",38:"Up",39:"Right",40:"Down",46:"Delete",91:"Win"};class tI extends ge{static EVENT_KEYDOWN="keydown";static EVENT_KEYUP="keyup";_element=null;_keymap={};_lastmap={};_keyDownHandler;_keyUpHandler;_keyPressHandler;_visibilityChangeHandler;_windowBlurHandler;preventDefault;stopPropagation;constructor(e,t={}){super(),this._keyDownHandler=this._handleKeyDown.bind(this),this._keyUpHandler=this._handleKeyUp.bind(this),this._keyPressHandler=this._handleKeyPress.bind(this),this._visibilityChangeHandler=this._handleVisibilityChange.bind(this),this._windowBlurHandler=this._handleWindowBlur.bind(this),e&&this.attach(e),this.preventDefault=t.preventDefault||!1,this.stopPropagation=t.stopPropagation||!1}attach(e){this._element&&this.detach(),this._element=e,this._element.addEventListener("keydown",this._keyDownHandler,!1),this._element.addEventListener("keypress",this._keyPressHandler,!1),this._element.addEventListener("keyup",this._keyUpHandler,!1),document.addEventListener("visibilitychange",this._visibilityChangeHandler,!1),window.addEventListener("blur",this._windowBlurHandler,!1)}detach(){this._element&&(this._element.removeEventListener("keydown",this._keyDownHandler),this._element.removeEventListener("keypress",this._keyPressHandler),this._element.removeEventListener("keyup",this._keyUpHandler),this._element=null,document.removeEventListener("visibilitychange",this._visibilityChangeHandler,!1),window.removeEventListener("blur",this._windowBlurHandler,!1))}toKeyIdentifier(e){e=Sh(e);const t=eI[e.toString()];if(t)return t;let s=e.toString(16).toUpperCase();const i=s.length;for(let r=0;r<4-i;r++)s=`0${s}`;return`U+${s}`}_handleKeyDown(e){const t=e.keyCode||e.charCode;if(t===void 0)return;const s=this.toKeyIdentifier(t);this._keymap[s]=!0,this.fire("keydown",cp(e)),this.preventDefault&&e.preventDefault(),this.stopPropagation&&e.stopPropagation()}_handleKeyUp(e){const t=e.keyCode||e.charCode;if(t===void 0)return;const s=this.toKeyIdentifier(t);delete this._keymap[s],this.fire("keyup",cp(e)),this.preventDefault&&e.preventDefault(),this.stopPropagation&&e.stopPropagation()}_handleKeyPress(e){this.fire("keypress",cp(e)),this.preventDefault&&e.preventDefault(),this.stopPropagation&&e.stopPropagation()}_handleVisibilityChange(){document.visibilityState==="hidden"&&this._handleWindowBlur()}_handleWindowBlur(){this._keymap={},this._lastmap={}}update(){for(const e in this._lastmap)delete this._lastmap[e];for(const e in this._keymap)this._keymap.hasOwnProperty(e)&&(this._lastmap[e]=this._keymap[e])}isPressed(e){const t=Sh(e),s=this.toKeyIdentifier(t);return!!this._keymap[s]}wasPressed(e){const t=Sh(e),s=this.toKeyIdentifier(t);return!!this._keymap[s]&&!this._lastmap[s]}wasReleased(e){const t=Sh(e),s=this.toKeyIdentifier(t);return!this._keymap[s]&&!!this._lastmap[s]}}function Ym(){return!!(document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement)}class Ga{x=0;y=0;dx=0;dy=0;button=QP;buttons;wheelDelta=0;element;ctrlKey=!1;altKey=!1;shiftKey=!1;metaKey=!1;event;constructor(e,t){let s={x:0,y:0};if(t){if(t instanceof Ga)throw Error("Expected MouseEvent");s=e._getTargetCoords(t)}else t={};if(s)this.x=s.x,this.y=s.y;else if(Ym())this.x=0,this.y=0;else return;t.type==="wheel"&&(t.deltaY>0?this.wheelDelta=1:t.deltaY<0&&(this.wheelDelta=-1)),Ym()?(this.dx=t.movementX||t.webkitMovementX||t.mozMovementX||0,this.dy=t.movementY||t.webkitMovementY||t.mozMovementY||0):(this.dx=this.x-e._lastX,this.dy=this.y-e._lastY),(t.type==="mousedown"||t.type==="mouseup")&&(this.button=t.button),this.buttons=e._buttons.slice(0),this.element=t.target,this.ctrlKey=t.ctrlKey??!1,this.altKey=t.altKey??!1,this.shiftKey=t.shiftKey??!1,this.metaKey=t.metaKey??!1,this.event=t}}class sI extends ge{static EVENT_MOUSEMOVE="mousemove";static EVENT_MOUSEDOWN="mousedown";static EVENT_MOUSEUP="mouseup";static EVENT_MOUSEWHEEL="mousewheel";_lastX=0;_lastY=0;

425_buttons=[!1,!1,!1];_lastbuttons=[!1,!1,!1];_target=null;_attached=!1;_upHandler;_downHandler;_moveHandler;_wheelHandler;_contextMenuHandler;constructor(e){super(),this._upHandler=this._handleUp.bind(this),this._downHandler=this._handleDown.bind(this),this._moveHandler=this._handleMove.bind(this),this._wheelHandler=this._handleWheel.bind(this),this._contextMenuHandler=t=>{t.preventDefault()},this.attach(e)}static isPointerLocked(){return Ym()}attach(e){if(this._target=e,this._attached)return;this._attached=!0;const t={passive:!1},s=Ce.passiveEvents?t:!1;window.addEventListener("mouseup",this._upHandler,s),window.addEventListener("mousedown",this._downHandler,s),window.addEventListener("mousemove",this._moveHandler,s),window.addEventListener("wheel",this._wheelHandler,s)}detach(){if(!this._attached)return;this._attached=!1,this._target=null;const e={passive:!1},t=Ce.passiveEvents?e:!1;window.removeEventListener("mouseup",this._upHandler,t),window.removeEventListener("mousedown",this._downHandler,t),window.removeEventListener("mousemove",this._moveHandler,t),window.removeEventListener("wheel",this._wheelHandler,t)}disableContextMenu(){this._target&&this._target.addEventListener("contextmenu",this._contextMenuHandler)}enableContextMenu(){this._target&&this._target.removeEventListener("contextmenu",this._contextMenuHandler)}enablePointerLock(e,t){if(!document.body.requestPointerLock){t&&t();return}const s=()=>{e(),document.removeEventListener("pointerlockchange",s)},i=()=>{t(),document.removeEventListener("pointerlockerror",i)};e&&document.addEventListener("pointerlockchange",s,!1),t&&document.addEventListener("pointerlockerror",i,!1),document.body.requestPointerLock()}disablePointerLock(e){if(!document.exitPointerLock)return;const t=()=>{e(),document.removeEventListener("pointerlockchange",t)};e&&document.addEventListener("pointerlockchange",t,!1),document.exitPointerLock()}update(){this._lastbuttons[0]=this._buttons[0],this._lastbuttons[1]=this._buttons[1],this._lastbuttons[2]=this._buttons[2]}isPressed(e){return this._buttons[e]}wasPressed(e){return this._buttons[e]&&!this._lastbuttons[e]}wasReleased(e){return!this._buttons[e]&&this._lastbuttons[e]}_handleUp(e){this._buttons[e.button]=!1;const t=new Ga(this,e);t.event&&this.fire("mouseup",t)}_handleDown(e){this._buttons[e.button]=!0;const t=new Ga(this,e);t.event&&this.fire("mousedown",t)}_handleMove(e){const t=new Ga(this,e);t.event&&(this.fire("mousemove",t),this._lastX=t.x,this._lastY=t.y)}_handleWheel(e){const t=new Ga(this,e);t.event&&this.fire("mousewheel",t)}_getTargetCoords(e){const t=this._target.getBoundingClientRect(),s=Math.floor(t.left),i=Math.floor(t.top);return e.clientX<s||e.clientX>=s+this._target.clientWidth||e.clientY<i||e.clientY>=i+this._target.clientHeight?null:{x:e.clientX-s,y:e.clientY-i}}}function iI(l){let e=0,t=0,s=l.target;for(;!(s instanceof HTMLElement)&&s;)s=s.parentNode;for(;s;)e+=s.offsetLeft-s.scrollLeft,t+=s.offsetTop-s.scrollTop,s=s.offsetParent;return{x:l.pageX-e,y:l.pageY-t}}class aS{id;x;y;target;touch;constructor(e){const t=iI(e);this.id=e.identifier,this.x=t.x,this.y=t.y,this.target=e.target,this.touch=e}}class yh{element;event;touches=[];changedTouches=[];constructor(e,t){this.element=t.target,this.event=t,this.touches=Array.from(t.touches).map(s=>new aS(s)),this.changedTouches=Array.from(t.changedTouches).map(s=>new aS(s))}getTouchById(e,t){return t.find(s=>s.id===e)||null}}class rI extends ge{static EVENT_TOUCHSTART="touchstart";static EVENT_TOUCHEND="touchend";static EVENT_TOUCHMOVE="touchmove";static EVENT_TOUCHCANCEL="touchcancel";_element=null;_startHandler;_endHandler;_moveHandler;_cancelHandler;constructor(e){super(),this._startHandler=this._handleTouchStart.bind(this),this._endHandler=this._handleTouchEnd.bind(this),this._moveHandler=this._handleTouchMove.bind(this),this._cancelHandler=this._handleTouchCancel.bind(this),this.attach(e)}attach(e){this._element&&this.detach(),this._element=e,this._element.addEventListener("touchstart",this._startHandler,!1),this._element.addEventListener("touchend",this._endHandler,!1),this._element.addEventListener("touchmove",this._moveHandler,!1),this._element.addEventListener("touchcancel",this._cancelHandler,!1)}detach(){this._element&&(this._element.removeEventListener("touchstart",this._startHandler,!1),this._element.removeEventListener("touchend",this._endHandler,!1),this._element.removeEventListener("touchmove",this._moveHandler,!1),this._element.removeEventListener("touchcancel",this._cancelHandler,!1)),this._element=null}_handleTouchStart(e){this.fire("touchstart",new yh(this,e))}_handleTouchEnd(e){this.fire("touchend",new yh(this,e))}_handleTouchMove(e){e.preventDefault(),this.fire("touchmove",new yh(this,e))}_handleTouchCancel(e){this.fire("touchcancel",new yh(this,e))}}class De{static ContentType={AAC:"audio/aac",BASIS:"image/basis",BIN:"application/octet-stream",DDS:"image/dds",FORM_URLENCODED:"application/x-www-form-urlencoded",GIF:"image/gif",GLB:"model/gltf-binary",JPEG:"image/jpeg",JSON:"application/json",MP3:"audio/mpeg",MP4:"audio/mp4",OGG:"audio/ogg",OPUS:'audio/ogg; codecs="opus"',PNG:"image/png",TEXT:"text/plain",WAV:"audio/x-wav",XML:"application/xml"};static ResponseType={TEXT:"text",ARRAY_BUFFER:"arraybuffer",BLOB:"blob",DOCUMENT:"document",JSON:"json"};static binaryExtensions=[".model",".wav",".ogg",".mp3",".mp4",".m4a",".aac",".dds",".basis",".glb",".opus"];static retryDelay=100;get(e,t,s){typeof t=="function"&&(s=t,t={});const i=this.request("GET",e,t,s),{progress:r}=t;if(r){const a=o=>{o.lengthComputable&&r.fire("progress",o.loaded,o.total)},n=o=>{a(o),i.removeEventListener("loadstart",a),i.removeEventListener("progress",a),i.removeEventListener("loadend",n)};i.addEventListener("loadstart",a),i.addEventListener("progress",a),i.addEventListener("loadend",n)}return i}post(e,t,s,i){return typeof s=="function"&&(i=s,s={}),s.postdata=t,this.request("POST",e,s,i)}put(e,t,s,i){return typeof s=="function"&&(i=s,s={}),s.postdata=t,this.request("PUT",e,s,i)}del(e,t,s){return typeof t=="function"&&(s=t,t={}),this.request("DELETE",e,t,s)}request(e,t,s,i){let r,a,n,o=!1;if(typeof s=="function"&&(i=s,s={}),s.retry&&(s=Object.assign({retries:0,maxRetries:5},s)),s.callback=i,s.async==null&&(s.async=!0),s.headers==null&&(s.headers={}),s.postdata!=null)if(s.postdata instanceof Document)n=s.postdata;else if(s.postdata instanceof FormData)n=s.postdata;else if(s.postdata instanceof Object){let h=s.headers["Content-Type"];switch(h===void 0&&(s.headers["Content-Type"]=De.ContentType.FORM_URLENCODED,h=s.headers["Content-Type"]),h){case De.ContentType.FORM_URLENCODED:{n="";let d=!0;for(const u in s.postdata)if(s.postdata.hasOwnProperty(u)){d?d=!1:n+="&";const f=encodeURIComponent(u),p=encodeURIComponent(s.postdata[u]);n+=`${f}=${p}`}break}default:case De.ContentType.JSON:h==null&&(s.headers["Content-Type"]=De.ContentType.JSON),n=JSON.stringify(s.postdata);break}}else n=s.postdata;if(s.cache===!1){const h=Gt();r=new jf(t),r.query?r.query=`${r.query}&ts=${h}`:r.query=`ts=${h}`,t=r.toString()}s.query&&(r=new jf(t),a=Ud(r.getQuery(),s.query),r.setQuery(a),t=r.toString());const c=new XMLHttpRequest;c.open(e,t,s.async),c.withCredentials=s.withCredentials!==void 0?s.withCredentials:!1,c.responseType=s.responseType||this._guessResponseType(t);for(const h in s.headers)s.headers.hasOwnProperty(h)&&c.setRequestHeader(h,s.headers[h]);c.onreadystatechange=()=>{this._onReadyStateChange(e,t,s,c)},c.onerror=()=>{this._onError(e,t,s,c),o=!0};try{c.send(n)}catch(h){o||s.error(c.status,c,h)}return c}_guessResponseType(e){const t=new jf(e),s=ve.getExtension(t.path).toLowerCase();return De.binaryExtensions.indexOf(s)>=0?De.ResponseType.ARRAY_BUFFER:s===".json"?De.ResponseType.JSON:s===".xml"?De.ResponseType.DOCUMENT:De.ResponseType.TEXT}_isBinaryContentType(e){return[De.ContentType.BASIS,De.ContentType.BIN,De.ContentType.DDS,De.ContentType.GLB,De.ContentType.MP3,De.ContentType.MP4,De.ContentType.OGG,De.ContentType.OPUS,De.ContentType.WAV].indexOf(e)>=0}_isBinaryResponseType(e){return e===De.ResponseType.ARRAY_BUFFER||e===De.ResponseType.BLOB||e===De.ResponseType.JSON}_onReadyStateChange(e,t,s,i){if(i.readyState===4)switch(i.status){case 0:{i.responseURL&&i.responseURL.startsWith("file:///")?this._onSuccess(e,t,s,i):this._onError(e,t,s,i);break}case 200:case 201:case 206:case 304:{this._onSuccess(e,t,s,i);break}default:{this._onError(e,t,s,i);break}}}_onSuccess(e,t,s,i){let r,a;const n=i.getResponseHeader("Content-Type");

425n&&(a=n.split(";")[0].trim());try{this._isBinaryContentType(a)||this._isBinaryResponseType(i.responseType)?r=i.response:a===De.ContentType.JSON||t.split("?")[0].endsWith(".json")?r=JSON.parse(i.responseText):i.responseType===De.ResponseType.DOCUMENT||a===De.ContentType.XML?r=i.responseXML:r=i.responseText,s.callback(null,r)}catch(o){s.callback(o)}}_onError(e,t,s,i){if(!s.retrying)if(s.retry&&s.retries<s.maxRetries){s.retries++,s.retrying=!0;const r=H.clamp(Math.pow(2,s.retries)*De.retryDelay,0,s.maxRetryDelay||5e3);console.log(`${e}: ${t} - Error ${i.status}. Retrying in ${r} ms`),setTimeout(()=>{s.retrying=!1,this.request(e,t,s,s.callback)},r)}else s.callback(i.status===0?"Network error":i.status,null)}}const ht=new De,jm="linear";class aI{_manager;position=new E;orientation=new Z;constructor(e){this._manager=e}getPosition(){return this.position}setPosition(e){this.position.copy(e);const t=this.listener;t&&("positionX"in t?(t.positionX.value=e.x,t.positionY.value=e.y,t.positionZ.value=e.z):t.setPosition&&t.setPosition(e.x,e.y,e.z))}setOrientation(e){this.orientation.copy(e);const t=this.listener;if(t){const s=e.data;"forwardX"in t?(t.forwardX.value=-s[8],t.forwardY.value=-s[9],t.forwardZ.value=-s[10],t.upX.value=s[4],t.upY.value=s[5],t.upZ.value=s[6]):t.setOrientation&&t.setOrientation(-s[8],-s[9],-s[10],s[4],s[5],s[6])}}getOrientation(){return this.orientation}get listener(){const e=this._manager.context;return e?e.listener:null}}const xh="running",nS=["click","touchstart","mousedown"];class nI extends ge{_context=null;_unlockHandlerFunc;_userSuspended=!1;listener;_volume=1;constructor(){super(),this._unlockHandlerFunc=this._unlockHandler.bind(this),this.listener=new aI(this)}set volume(e){e=H.clamp(e,0,1),this._volume=e,this.fire("volumechange",e)}get volume(){return this._volume}get suspended(){return this._userSuspended}get context(){if(!this._context){const e=typeof AudioContext<"u"&&AudioContext||typeof webkitAudioContext<"u"&&webkitAudioContext;if(!e)return null;this._context=new e,this._context.state!==xh&&this._registerUnlockListeners()}return this._context}suspend(){this._userSuspended||(this._userSuspended=!0,this._context&&this._context.state===xh&&this._suspend())}resume(){this._userSuspended&&(this._userSuspended=!1,this._context&&this._context.state!==xh&&this._resume())}destroy(){this.fire("destroy");const e=this._context;e&&(this._removeUnlockListeners(),e.close(),this._context=null)}_resume(){const e=this._context;e&&e.resume().then(()=>{const t=e.createBufferSource();t.buffer=e.createBuffer(1,1,e.sampleRate),t.connect(e.destination),t.start(0),t.onended=s=>{t.disconnect(0),this.fire("resume")}},t=>{}).catch(t=>{})}_suspend(){const e=this._context;e&&e.suspend().then(()=>{this.fire("suspend")},t=>{}).catch(t=>{})}_unlockHandler(){this._removeUnlockListeners(),!this._userSuspended&&this._context&&this._context.state!==xh&&this._resume()}_registerUnlockListeners(){nS.forEach(e=>{window.addEventListener(e,this._unlockHandlerFunc,!1)})}_removeUnlockListeners(){nS.forEach(e=>{window.removeEventListener(e,this._unlockHandlerFunc,!1)})}}class oI{buffer;constructor(e){this.buffer=e}get duration(){return this.buffer&&this.buffer.duration||0}}const ni=0,Th=1,Ca=2;function kr(l,e){return l%e||0}class dT extends ge{static EVENT_PLAY="play";static EVENT_PAUSE="pause";static EVENT_RESUME="resume";static EVENT_STOP="stop";static EVENT_END="end";source=null;constructor(e,t,s){super(),this._manager=e,this._volume=s.volume!==void 0?H.clamp(Number(s.volume)||0,0,1):1,this._pitch=s.pitch!==void 0?Math.max(.01,Number(s.pitch)||0):1,this._loop=!!(s.loop!==void 0&&s.loop),this._sound=t,this._state=Ca,this._suspended=!1,this._suspendEndEvent=0,this._suspendInstanceEvents=!1,this._playWhenLoaded=!0,this._startTime=Math.max(0,Number(s.startTime)||0),this._duration=Math.max(0,Number(s.duration)||0),this._startOffset=null,this._onPlayCallback=s.onPlay,this._onPauseCallback=s.onPause,this._onResumeCallback=s.onResume,this._onStopCallback=s.onStop,this._onEndCallback=s.onEnd,this._startedAt=0,this._currentTime=0,this._currentOffset=0,this._inputNode=null,this._connectorNode=null,this._firstNode=null,this._lastNode=null,this._waitingContextSuspension=!1,this._manager.context&&(this._initializeNodes(),this._endedHandler=this._onEnded.bind(this))}set currentTime(e){if(!(e<0))if(this._state===ni){const t=this._suspendInstanceEvents;this._suspendInstanceEvents=!0,this.stop(),this._startOffset=e,this.play(),this._suspendInstanceEvents=t}else this._startOffset=e,this._currentTime=e}get currentTime(){return this._startOffset!==null?this._startOffset:this._state===Th?this._currentTime:this._state===Ca||!this.source?0:(this._updateCurrentTime(),this._currentTime)}set duration(e){this._duration=Math.max(0,Number(e)||0);const t=this._state===ni;this.stop(),t&&this.play()}get duration(){return this._sound?this._duration?kr(this._duration,this._sound.duration):this._sound.duration:0}get isPaused(){return this._state===Th}get isPlaying(){return this._state===ni}get isStopped(){return this._state===Ca}get isSuspended(){return this._suspended}set loop(e){this._loop=!!e,this.source&&(this.source.loop=this._loop)}get loop(){return this._loop}set pitch(e){this._manager.context&&(this._currentOffset=this.currentTime,this._startedAt=this._manager.context.currentTime),this._pitch=Math.max(Number(e)||0,.01),this.source&&(this.source.playbackRate.value=this._pitch)}get pitch(){return this._pitch}set sound(e){this._sound=e,this._state!==Ca?this.stop():this._createSource()}get sound(){return this._sound}set startTime(e){this._startTime=Math.max(0,Number(e)||0);const t=this._state===ni;this.stop(),t&&this.play()}get startTime(){return this._startTime}set volume(e){e=H.clamp(e,0,1),this._volume=e,this.gain&&(this.gain.gain.value=e*this._manager.volume)}get volume(){return this._volume}_onPlay(){this.fire("play"),this._onPlayCallback&&this._onPlayCallback(this)}_onPause(){this.fire("pause"),this._onPauseCallback&&this._onPauseCallback(this)}_onResume(){this.fire("resume"),this._onResumeCallback&&this._onResumeCallback(this)}_onStop(){this.fire("stop"),this._onStopCallback&&this._onStopCallback(this)}_onEnded(){if(this._suspendEndEvent>0){this._suspendEndEvent--;return}this.fire("end"),this._onEndCallback&&this._onEndCallback(this),this.stop()}_onManagerVolumeChange(){this.volume=this._volume}_onManagerSuspend(){this._state===ni&&!this._suspended&&(this._suspended=!0,this.pause())}_onManagerResume(){this._suspended&&(this._suspended=!1,this.resume())}_initializeNodes(){this.gain=this._manager.context.createGain(),this._inputNode=this.gain,this._connectorNode=this.gain,this._connectorNode.connect(this._manager.context.destination)}play(){return!this._manager.context||(this._state!==Ca&&this.stop(),this._state=ni,this._playWhenLoaded=!1,this._waitingContextSuspension)?!1:this._manager.suspended?(this._manager.once("resume",this._playAudioImmediate,this),this._waitingContextSuspension=!0,!1):(this._playAudioImmediate(),!0)}_playAudioImmediate(){if(this._waitingContextSuspension=!1,this._state!==ni)return;this.source||this._createSource();let e=kr(this._startOffset,this.duration);e=kr(this._startTime+e,this._sound.duration),this._startOffset=null,this._duration?this.source.start(0,e,this._duration):this.source.start(0,e),this._startedAt=this._manager.context.currentTime,this._currentTime=0,this._currentOffset=e,this.volume=this._volume,this.loop=this._loop,this.pitch=this._pitch,this._manager.on("volumechange",this._onManagerVolumeChange,this),this._manager.on("suspend",this._onManagerSuspend,this),this._manager.on("resume",this._onManagerResume,this),this._manager.on("destroy",this._onManagerDestroy,this),this._suspendInstanceEvents||this._onPlay()}pause(){return this._playWhenLoaded=!1,this._state!==ni?!1:(this._state=Th,this._waitingContextSuspension||(this._updateCurrentTime(),this._suspendEndEvent++,this.source.stop(0),this.source=null,this._startOffset=null,this._suspendInstanceEvents||this._onPause()),!0)}resume(){if(this._state!==Th)return!1;let e=this.currentTime;return this._state=ni,this._waitingContextSuspension||(this.source||this._createSource(),this._startOffset!==null&&(e=kr(this._startOffset,this.duration),e=kr(this._startTime+e,this._sound.duration),this._startOffset=null),this._duration?this.source.start(0,e,this._duration):this.source.start(0,e),this._startedAt=this._manager.context.currentTime,this._currentOffset=e,this.volume=this._volume,this.loop=this._loop,this.pitch=this._pitch,this._playWhenLoaded=!1,this._suspendInstanceEvents||this._onResume()),!0}stop(){if(this._playWhenLoaded=!1,this._state===Ca)return!1;const e=this._state===ni;return this._state=Ca,this._waitingContextSuspension||(this._manager.off("volumechange",this._onManagerVolumeChange,this),this._manager.off("suspend",this._onManagerSuspend,this),this._manager.off("resume",this._onManagerResume,this),this._manager.off("destroy",this._onManagerDestroy,this),this._startedAt=0,this._currentTime=0,this._currentOffset=0,this._startOffset=null,this._suspendEndEvent++,e&&this.source&&this.source.stop(0),this.source=null,this._suspendInstanceEvents||this._onStop()),!0}setExternalNodes(e,t){if(!e){console.error("The firstNode must be a valid Audio Node");return}if(!this._connectorNode)return;t||(t=e);const s=this._manager.context.destination;this._firstNode!==e&&(this._firstNode?this._connectorNode.disconnect(this._firstNode):this._connectorNode.disconnect(s),this._firstNode=e,this._connectorNode.connect(e)),this._lastNode!==t&&(this._lastNode&&this._lastNode.disconnect(s),this._lastNode=t,this._lastNode.connect(s))}clearExternalNodes(){if(!this._connectorNode)return;const e=this._manager.context.destination;this._firstNode&&(this._connectorNode.disconnect(this._firstNode),this._firstNode=null),this._lastNode&&(this._lastNode.disconnect(e),this._lastNode=null),this._connectorNode.connect(e)}getExternalNodes(){return[this._firstNode,this._lastNode]}

425_createSource(){if(!this._sound)return null;const e=this._manager.context;return e?(this._sound.buffer&&(this.source=e.createBufferSource(),this.source.buffer=this._sound.buffer,this.source.connect(this._inputNode),this.source.onended=this._endedHandler,this.source.loopStart=kr(this._startTime,this.source.buffer.duration),this._duration&&(this.source.loopEnd=Math.max(this.source.loopStart,kr(this._startTime+this._duration,this.source.buffer.duration)))),this.source):null}_updateCurrentTime(){this._currentTime=kr((this._manager.context.currentTime-this._startedAt)*this._pitch+this._currentOffset,this.duration)}_onManagerDestroy(){this.source&&this._state===ni&&(this.source.stop(0),this.source=null)}}const lI=1e4;class cI extends dT{_position=new E;_velocity=new E;constructor(e,t,s={}){super(e,t,s),e.context&&(s.position&&(this.position=s.position),this.maxDistance=s.maxDistance!==void 0?Number(s.maxDistance):lI,this.refDistance=s.refDistance!==void 0?Number(s.refDistance):1,this.rollOffFactor=s.rollOffFactor!==void 0?Number(s.rollOffFactor):1,this.distanceModel=s.distanceModel!==void 0?s.distanceModel:jm)}_initializeNodes(){this.gain=this._manager.context.createGain(),this.panner=this._manager.context.createPanner(),this.panner.connect(this.gain),this._inputNode=this.panner,this._connectorNode=this.gain,this._connectorNode.connect(this._manager.context.destination)}set position(e){this._position.copy(e);const t=this.panner;t&&("positionX"in t?(t.positionX.value=e.x,t.positionY.value=e.y,t.positionZ.value=e.z):t.setPosition&&t.setPosition(e.x,e.y,e.z))}get position(){return this._position}set velocity(e){this._velocity.copy(e)}get velocity(){return this._velocity}set maxDistance(e){this.panner&&(this.panner.maxDistance=e)}get maxDistance(){return this.panner?this.panner.maxDistance:0}set refDistance(e){this.panner&&(this.panner.refDistance=e)}get refDistance(){return this.panner?this.panner.refDistance:0}set rollOffFactor(e){this.panner&&(this.panner.rolloffFactor=e)}get rollOffFactor(){return this.panner?this.panner.rolloffFactor:0}set distanceModel(e){this.panner&&(this.panner.distanceModel=e)}get distanceModel(){return this.panner?this.panner.distanceModel:jm}}const yg=0,nn=1,Wi=2,Ns=3,Ui=4,xg=5,Tg=6,wg=7,Cg=8,Eg=9,bg=10,uT={[yg]:"SUBTRACTIVE",[nn]:"ADDITIVE",[Wi]:"NORMAL",[Ns]:"NONE",[Ui]:"PREMULTIPLIED",[xg]:"MULTIPLICATIVE",[Tg]:"ADDITIVEALPHA",[wg]:"MULTIPLICATIVE2X",[Cg]:"SCREEN",[Eg]:"MIN",[bg]:"MAX"},vn="none",hI="linear",dI=0,Ag=2,uI={[dI]:"NONE",[Ag]:"SCHLICK"},fI=0,fT=15,Ir=0,ks=1,Pg=2,Ig=3,Ef=4,Te=0,ot=1,nt=2,oS={[Te]:"DIRECTIONAL",[ot]:"OMNI",[nt]:"SPOT"},Cd=100,Sr=0,pT=1,mT=2,_T=3,pI={[Sr]:"PUNCTUAL",[pT]:"RECT",[mT]:"DISK",[_T]:"SPHERE"},gT=0,vT=1,mI={[gT]:"LINEAR",[vT]:"INVERSESQUARED"},Li=0,qm=2,Dg=3,_I=4,ST=5,uc=6,yT=7,xT=8,gI=9,yr=new Map([[ST,{name:"PCF1_32F",kind:"PCF1",format:Oi,pcf:!0}],[Li,{name:"PCF3_32F",kind:"PCF3",format:Oi,pcf:!0}],[_I,{name:"PCF5_32F",kind:"PCF5",format:Oi,pcf:!0}],[yT,{name:"PCF1_16F",kind:"PCF1",format:ja,pcf:!0}],[xT,{name:"PCF3_16F",kind:"PCF3",format:ja,pcf:!0}],[gI,{name:"PCF5_16F",kind:"PCF5",format:ja,pcf:!0}],[qm,{name:"VSM_16F",kind:"VSM",format:Ge,vsm:!0}],[Dg,{name:"VSM_32F",kind:"VSM",format:mt,vsm:!0}],[uc,{name:"PCSS_32F",kind:"PCSS",format:Ti,pcss:!0}]]),vI=255,TT=1,$m=0,wT=0,Ri=0,SI=1,ru=0,yI=1,mi=0,Sn=1,co=0,Na=1,wh=2,Mg=0,CT=1,xI={[Mg]:"NONE",[CT]:"BOX"},lS="mul",qc=0,Ol=1,TI={[qc]:"NONE",[Ol]:"SRGB"},bf=0,wI=1,CI=3,EI=5,Rg=6,ET=["LINEAR","FILMIC","HEJL","ACES","ACES2","NEUTRAL","NONE"],bT=0,Af=1,AT=2,bI={[bT]:"NONE",[Af]:"AO",[AT]:"GLOSSDEPENDENT"},Jr="none",au="envAtlas",nu="envAtlasHQ",ou="cubeMap",PT="sphereMap",AI={[Jr]:"NONE",[au]:"ENVATLAS",[nu]:"ENVATLASHQ",[ou]:"CUBEMAP",[PT]:"SPHEREMAP"},Lg="ambientSH",Fg="envAtlas",Og="constant",PI={[Lg]:"AMBIENTSH",[Fg]:"ENVALATLAS",[Og]:"CONSTANT"},lu=1,fc=2,Bg=4,IT=8,DT=16,pc=32,Km=64,MT=128,cu=256,Ng=512,mc=1024,_c=2048,RT=4096,gc=8192,Ed=16384,Ks=0,ea=1,LT=2,Js=1,ur=2,fr=4,Ko=0,Pf=1,FT=2,If=3,II=4,Fi=0,kt=1,Ut=2,DI={[Fi]:"SIMPLE",[kt]:"SLICED",[Ut]:"TILED"},bd=1,Ch=0,Ad=0,MI=1,cS=2,hp=3,RI=4,LI=5,hu=0,Zm=1,Me=0,rt=1,no="infinite",FI="box",OI="dome",on="none",BI="bayer8",NI="bluenoise",kI="ignnoise",OT={[on]:"NONE",[BI]:"BAYER8",[NI]:"BLUENOISE",[kI]:"IGNNOISE"},UI="prerender",zI="postrender",VI="prerender:layer",GI="postrender:layer",BT="precull",NT="postcull",HI="cull:end",xs=1,ho=2,kg="pcShadowCamera",Qm=0,WI=1,XI=2,YI=0,dp=1,up="compact",hS=0,To=1,uo=2,Pd=3,ol=0,Bl=1,Jm=2,e_=3,dS=4,uS=5,fS=0,jI=1,pS=2;class Df{uniformFormats=[];bindGroupFormats=[];vertexFormat;constructor(e,t,s){this.uniformFormats[hc]=e,this.bindGroupFormats[hc]=t,this.vertexFormat=s}hasUniform(e){for(let t=0;t<this.uniformFormats.length;t++)if(this.uniformFormats[t]?.get(e))return!0;return!1}hasTexture(e){for(let t=0;t<this.bindGroupFormats.length;t++)if(this.bindGroupFormats[t]?.getTexture(e))return!0;return!1}getVertexElement(e){return this.vertexFormat?.elements.find(t=>t.name===e)}generateKey(e){let t=JSON.stringify(this.uniformFormats)+JSON.stringify(this.bindGroupFormats);return e.isWebGPU&&(t+=this.vertexFormat?.shaderProcessingHashString),t}}const kT=new Jt;function ko(l){return kT.get(l)}function qI(l,e){kT.get(l,()=>e)}class ln{static definesHash(e){const t=Array.from(e).sort((s,i)=>s[0]>i[0]?1:-1);return Xs(JSON.stringify(t))}}const $I=new Jt;class KI{index;name;defines=new Map;constructor(e,t,s={}){this.name=e,this.index=t,Object.assign(this,s),this.buildShaderDefines()}buildShaderDefines(){let e;this.isShadow?e="SHADOW":this.isForward?e="FORWARD":this.index===If?e="PICK":this.index===II&&(e="PICK",this.defines.set("DEPTH_PICK_PASS","")),this.defines.set(`${e}_PASS`,""),this.defines.set(`${this.name.toUpperCase()}_PASS`,"")}}class zi{passesNamed=new Map;passesIndexed=[];nextIndex=0;constructor(){const e=(t,s,i)=>{this.allocate(t,i)};e("forward",Ko,{isForward:!0}),e("prepass"),e("shadow"),e("pick"),e("depth_pick")}static get(e){return $I.get(e,()=>new zi)}allocate(e,t){let s=this.passesNamed.get(e);return s===void 0&&(s=new KI(e,this.nextIndex,t),this.passesNamed.set(s.name,s),this.passesIndexed[s.index]=s,this.nextIndex++),s}getByIndex(e){return this.passesIndexed[e]}getByName(e){return this.passesNamed.get(e)}}class mS extends Map{_validations;_keyDirty=!1;_key="";

425constructor(e){super(),this._validations=e}set(e,t){return(!this.has(e)||this.get(e)!==t)&&this.markDirty(),super.set(e,t)}add(e,t=!0){for(const[s,i]of Object.entries(e))(t||!this.has(s))&&this.set(s,i);return this}delete(e){const t=this.has(e),s=super.delete(e);return t&&s&&this.markDirty(),s}clear(){this.size>0&&this.markDirty(),super.clear()}markDirty(){this._dirty=!0,this._keyDirty=!0}isDirty(){return this._dirty}resetDirty(){this._dirty=!1}get key(){return this._keyDirty&&(this._keyDirty=!1,this._key=Array.from(this.entries()).sort(([e],[t])=>e<t?-1:e>t?1:0).map(([e,t])=>`${e}=${Xs(t)}`).join(",")),this._key}copy(e){for(const t of this.keys())e.has(t)||this.delete(t);for(const[t,s]of e)this.set(t,s);return this}}const ZI=new Jt;class be{static _validations=new Map;glsl=new mS(be._validations);wgsl=new mS(be._validations);static get(e,t=ze){const s=ZI.get(e,()=>new be);return t===ze?s.glsl:s.wgsl}static registerValidation(e,t){}version="";get useWGSL(){return this.glsl.size===0||this.wgsl.size>0}get key(){return`GLSL:${this.glsl.key}|WGSL:${this.wgsl.key}|API:${this.version}`}isDirty(){return this.glsl.isDirty()||this.wgsl.isDirty()}resetDirty(){this.glsl.resetDirty(),this.wgsl.resetDirty()}copy(e){return this.version=e.version,this.glsl.copy(e.glsl),this.wgsl.copy(e.wgsl),this}}class du{static merge(...e){const t=new Map(e[0]??[]);for(let s=1;s<e.length;s++){const i=e[s];if(i)for(const[r,a]of i)t.set(r,a)}return t}}class QI extends ln{constructor(e,t){super(),this.key=e,this.shaderDefinition=t}generateKey(e){return this.key}createShaderDefinition(e,t){return this.shaderDefinition}}class Qt{static createShader(e,t){const s=ko(e);let i=s.getCachedShader(t.uniqueName);if(!i){const r=e.isWebGPU&&(!!t.vertexWGSL||!!t.vertexChunk)&&(!!t.fragmentWGSL||!!t.fragmentChunk),a=be.get(e,r?de:ze),n=t.vertexChunk?a.get(t.vertexChunk):r?t.vertexWGSL:t.vertexGLSL,o=t.fragmentChunk?a.get(t.fragmentChunk):r?t.fragmentWGSL:t.fragmentGLSL,c=du.merge(a,t.fragmentIncludes),h=du.merge(a,t.vertexIncludes);i=new tt(e,Ht.createDefinition(e,{name:t.uniqueName,shaderLanguage:r?de:ze,attributes:t.attributes,vertexCode:n,fragmentCode:o,useTransformFeedback:t.useTransformFeedback,vertexIncludes:h,vertexDefines:t.vertexDefines,fragmentIncludes:c,fragmentDefines:t.fragmentDefines,fragmentOutputTypes:t.fragmentOutputTypes})),s.setCachedShader(t.uniqueName,i)}return i}static getCoreDefines(e,t){const s=new Map(e.defines);return t.cameraShaderParams.defines.forEach((r,a)=>s.set(a,r)),zi.get(t.device).getByIndex(t.pass).defines.forEach((r,a)=>s.set(a,r)),s}static processShader(e,t){const s=e.definition,r=`${s.name??"shader"}-id-${e.id}`,a=new QI(r,s),n="shader",o=ko(e.device);o.register(n,a);const c=o.getProgram(n,{},t);return o.unregister(n),c}static addScreenDepthChunkDefines(e,t,s){t.sceneDepthMapLinear&&s.set("SCENE_DEPTHMAP_LINEAR",""),e.textureFloatRenderable&&s.set("SCENE_DEPTHMAP_FLOAT","")}}const JI={type:qs,base:0,count:6,indexed:!0},ll=new ie,cl=new ie,fp=new Sg;class Uo{uniformBuffer;bindGroup;constructor(e){const t=e.device;if(this.shader=e,t.supportsUniformBuffers){const s=new Df;this.shader=Qt.processShader(e,s);const i=this.shader.meshUniformBufferFormat;i&&(this.uniformBuffer=new jc(t,i,!1));const r=this.shader.meshBindGroupFormat;this.bindGroup=new jo(t,r)}}destroy(){this.uniformBuffer?.destroy(),this.uniformBuffer=null,this.bindGroup?.destroy(),this.bindGroup=null}render(e,t,s){const i=this.shader.device;e&&(ll.set(i.vx,i.vy,i.vw,i.vh),cl.set(i.sx,i.sy,i.sw,i.sh),t=t??e,i.setViewport(e.x,e.y,e.z,e.w),i.setScissor(t.x,t.y,t.z,t.w)),i.setVertexBuffer(i.quadVertexBuffer);const r=this.shader;if(i.setShader(r),i.supportsUniformBuffers){i.setBindGroup(hc,i.emptyBindGroup);const a=this.bindGroup;a.update(),i.setBindGroup(Yc,a);const n=this.uniformBuffer;n?(n.update(fp),i.setBindGroup(Bo,fp.bindGroup,fp.offsets)):i.setBindGroup(Bo,i.emptyBindGroup)}i.draw(JI,i.quadIndexBuffer,s),e&&(i.setViewport(ll.x,ll.y,ll.z,ll.w),i.setScissor(cl.x,cl.y,cl.z,cl.w))}}class UT extends Pr{constructor(e,t,s,i){super(e),this.quad=t,this.rect=s,this.scissorRect=i}execute(){const{device:e}=this;e.setDrawStates(e.blendState),this.quad.render(this.rect,this.scissorRect)}}const e1=new ie;

425function cn(l,e,t,s,i){const r=new Uo(t);s||(s=e1,s.x=0,s.y=0,s.z=e?e.width:l.width,s.w=e?e.height:l.height);const a=new UT(l,r,s,i);a.init(e),a.colorOps.clear=!1,a.depthStencilOps.clearDepth=!1,l.isWebGPU&&e===null&&l.samples>1&&(a.colorOps.store=!0),a.render(),r.destroy()}class _S{_aabb=new Le;origMeshInstances;meshInstance=null;dynamic;batchGroupId;constructor(e,t,s){this.origMeshInstances=e,this.dynamic=t,this.batchGroupId=s}destroy(e,t){this.meshInstance&&(this.removeFromLayers(e,t),this.meshInstance.destroy(),this.meshInstance=null)}addToLayers(e,t){for(let s=0;s<t.length;s++){const i=e.layers.getLayerById(t[s]);i&&i.addMeshInstances([this.meshInstance])}}removeFromLayers(e,t){for(let s=0;s<t.length;s++){const i=e.layers.getLayerById(t[s]);i&&i.removeMeshInstances([this.meshInstance])}}updateBoundingBox(){this._aabb.copy(this.origMeshInstances[0].aabb);for(let e=1;e<this.origMeshInstances.length;e++)this._aabb.add(this.origMeshInstances[e].aabb);this.meshInstance.aabb=this._aabb,this.meshInstance._aabbVer=0}get model(){}}class Zt{_ui=!1;_sprite=!1;_obj={model:[],element:[],sprite:[],render:[]};id;name;dynamic;maxAabbSize;layers;constructor(e,t,s,i,r=[Ir]){this.id=e,this.name=t,this.dynamic=s,this.maxAabbSize=i,this.layers=r}static MODEL="model";static ELEMENT="element";static SPRITE="sprite";static RENDER="render"}const gS=new Z;class $c{bones;constructor(e){this._dirty=!0,this._rootBone=null,this._skinUpdateIndex=-1,this._updateBeforeCull=!0,e&&this.initSkin(e)}set rootBone(e){this._rootBone=e}get rootBone(){return this._rootBone}init(e,t){const s=t*3;let i=Math.ceil(Math.sqrt(s));i=H.roundUp(i,3);const r=Math.ceil(s/i);this.boneTexture=new ce(e,{width:i,height:r,format:mt,mipmaps:!1,minFilter:Fe,magFilter:Fe,name:"skin"}),this.matrixPalette=this.boneTexture.lock({mode:sb}),this.boneTexture.unlock()}destroy(){this.boneTexture&&(this.boneTexture.destroy(),this.boneTexture=null)}resolve(e,t){this.rootBone=e;const s=this.skin,i=[];for(let r=0;r<s.boneNames.length;r++){const a=s.boneNames[r];let n=e.findByName(a);n||(n=t),i.push(n)}this.bones=i}initSkin(e){this.skin=e,this.bones=[];const t=e.inverseBindPose.length;this.init(e.device,t),this.matrices=[];for(let s=0;s<t;s++)this.matrices[s]=new Z}uploadBones(e){this.boneTexture.upload()}_updateMatrices(e,t){if(this._skinUpdateIndex!==t){this._skinUpdateIndex=t,gS.copy(e.getWorldTransform()).invert();for(let s=this.bones.length-1;s>=0;s--)this.matrices[s].mulAffine2(gS,this.bones[s].getWorldTransform()),this.matrices[s].mulAffine2(this.matrices[s],this.skin.inverseBindPose[s])}}updateMatrices(e,t){this._updateBeforeCull&&this._updateMatrices(e,t)}updateMatrixPalette(e,t){this._updateMatrices(e,t);const s=this.matrixPalette,i=this.bones.length;for(let r=0;r<i;r++){const a=this.matrices[r].data,n=r*12;s[n]=a[0],s[n+1]=a[4],s[n+2]=a[8],s[n+3]=a[12],s[n+4]=a[1],s[n+5]=a[5],s[n+6]=a[9],s[n+7]=a[13],s[n+8]=a[2],s[n+9]=a[6],s[n+10]=a[10],s[n+11]=a[14]}this.uploadBones(this.skin.device)}}class vS extends $c{constructor(e,t,s){super();const i=t.length;this.init(e,i),this.device=e,this.rootNode=s,this.bones=t}updateMatrices(e,t){}updateMatrixPalette(e,t){const s=this.matrixPalette,i=this.bones.length;for(let r=0;r<i;r++){const a=this.bones[r].getWorldTransform().data,n=r*12;s[n]=a[0],s[n+1]=a[4],s[n+2]=a[8],s[n+3]=a[12],s[n+4]=a[1],s[n+5]=a[5],s[n+6]=a[9],s[n+7]=a[13],s[n+8]=a[2],s[n+9]=a[6],s[n+10]=a[10],s[n+11]=a[14]}this.uploadBones(this.device)}}let t1=0;class Dn{constructor(){this.initDefaults()}initDefaults(){this.recreate=!1,this.verticesUsage=Ys,this.indicesUsage=Ys,this.maxVertices=0,this.maxIndices=0,this.vertexCount=0,this.indexCount=0,this.vertexStream

425sUpdated=!1,this.indexStreamUpdated=!1,this.vertexStreamDictionary={},this.indices=null}_changeVertexCount(e,t){this.vertexCount||(this.vertexCount=e)}static DEFAULT_COMPONENTS_POSITION=3;static DEFAULT_COMPONENTS_NORMAL=3;static DEFAULT_COMPONENTS_UV=2;static DEFAULT_COMPONENTS_COLORS=4}class s1{constructor(e,t,s,i,r){this.data=e,this.componentCount=t,this.dataType=s,this.dataTypeNormalize=i,this.asInt=r}}class at extends Cf{indexBuffer=[null];vertexBuffer=null;primitive=[{type:0,base:0,baseVertex:0,count:0}];skin=null;boneAabb=null;_aabbVer=0;_aabb=new Le;_geometryData=null;_morph=null;_storageIndex=!1;_storageVertex=!1;constructor(e,t){super(),this.id=t1++,this.device=e,this._storageIndex=t?.storageIndex||!1,this._storageVertex=t?.storageVertex||!1}static fromGeometry(e,t,s={}){const i=new at(e,s),{positions:r,normals:a,tangents:n,colors:o,uvs:c,uvs1:h,blendIndices:d,blendWeights:u,indices:f}=t;return r&&i.setPositions(r),a&&i.setNormals(a),n&&i.setVertexStream(Gi,n,4),o&&i.setColors32(o),c&&i.setUvs(0,c),h&&i.setUvs(1,h),d&&i.setVertexStream(Bs,d,4,d.length/4,mr),u&&i.setVertexStream(ki,u,4),f&&i.setIndices(f),i.update(),i}set morph(e){e!==this._morph&&(this._morph&&this._morph.decRefCount(),this._morph=e,e&&e.incRefCount())}get morph(){return this._morph}set aabb(e){this._aabb=e,this._aabbVer++}get aabb(){return this._aabb}destroy(){const e=this.morph;e&&(this.morph=null,e.refCount<1&&e.destroy()),this.vertexBuffer&&(this.vertexBuffer.destroy(),this.vertexBuffer=null);for(let t=0;t<this.indexBuffer.length;t++)this._destroyIndexBuffer(t);this.indexBuffer.length=0,this._geometryData=null}_destroyIndexBuffer(e){this.indexBuffer[e]&&(this.indexBuffer[e].destroy(),this.indexBuffer[e]=null)}_initBoneAabbs(e){this.boneAabb=[],this.boneUsed=[];let t,s,i,r,a;const n=[],o=[],c=this.boneUsed,h=this.skin.boneNames.length;let d,u,f;for(let y=0;y<h;y++)n[y]=new E(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),o[y]=new E(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE);const p=new jl(this.vertexBuffer),m=p.element[Ie],_=p.element[ki],g=p.element[Bs],v=this.vertexBuffer.numVertices;for(let y=0;y<v;y++){for(let S=0;S<4;S++)if(_.array[_.index+S]>0){const w=g.array[g.index+S];if(c[w]=!0,t=m.array[m.index],s=m.array[m.index+1],i=m.array[m.index+2],r=o[w],a=n[w],a.x>t&&(a.x=t),a.y>s&&(a.y=s),a.z>i&&(a.z=i),r.x<t&&(r.x=t),r.y<s&&(r.y=s),r.z<i&&(r.z=i),e){let C=d=t,b=u=s,I=f=i;for(let P=0;P<e.length;P++){const L=e[P],O=L.deltaPositions[y*3],D=L.deltaPositions[y*3+1],N=L.deltaPositions[y*3+2];O<0?C+=O:d+=O,D<0?b+=D:u+=D,N<0?I+=N:f+=N}a.x>C&&(a.x=C),a.y>b&&(a.y=b),a.z>I&&(a.z=I),r.x<d&&(r.x=d),r.y<u&&(r.y=u),r.z<f&&(r.z=f)}}p.next()}const x=this.vertexBuffer.getFormat().elements.find(y=>y.name===Ie);if(x&&x.normalize){const y=(()=>{switch(x.dataType){case ua:return S=>Math.max(S/127,-1);case mr:return S=>S/255;case fa:return S=>Math.max(S/32767,-1);case mn:return S=>S/65535;default:return S=>S}})();for(let S=0;S<h;S++)if(c[S]){const T=n[S],w=o[S];T.set(y(T.x),y(T.y),y(T.z)),w.set(y(w.x),y(w.y),y(w.z))}}for(let y=0;y<h;y++){const S=new Le;S.setMinMax(n[y],o[y]),this.boneAabb.push(S)}}_initGeometryData(){this._geometryData||(this._geometryData=new Dn,this.vertexBuffer&&(this._geometryData.vertexCount=this.vertexBuffer.numVertices,this._geometryData.maxVertices=this.vertexBuffer.numVertices),this.indexBuffer.length>0&&this.indexBuffer[0]&&(this._geometryData.indexCount=this.indexBuffer[0].numIndices,this._geometryData.maxIndices=this.indexBuffer[0].numIndices))}clear(e,t,s=0,i=0){this._initGeometryData(),this._geometryData.initDefaults(),this._geometryData.recreate=!0,this._geometryData.maxVertices=s,this._geometryData.maxIndices=i,this._geometryData.verticesUsage=e?Ys:Vd,this._geometryData.indicesUsage=t?Ys:Vd}setVertexStream(e,t,s,i,r=je,a=!1,n=!1){this._initGeometryData();const o=i||t.length/s;this._geometryData._changeVertexCount(o,e),this._geometryData.vertexStream

425sUpdated=!0,this._geometryData.vertexStreamDictionary[e]=new s1(t,s,r,a,n)}getVertexStream(e,t){let s=0,i=!1;if(this._geometryData){const r=this._geometryData.vertexStreamDictionary[e];r&&(i=!0,s=this._geometryData.vertexCount,ArrayBuffer.isView(t)?t.set(r.data):(t.length=0,t.push(r.data)))}return i||this.vertexBuffer&&(s=new jl(this.vertexBuffer).readData(e,t)),s}setPositions(e,t=Dn.DEFAULT_COMPONENTS_POSITION,s){this.setVertexStream(Ie,e,t,s,je,!1)}setNormals(e,t=Dn.DEFAULT_COMPONENTS_NORMAL,s){this.setVertexStream(Cs,e,t,s,je,!1)}setUvs(e,t,s=Dn.DEFAULT_COMPONENTS_UV,i){this.setVertexStream(vv+e,t,s,i,je,!1)}setColors(e,t=Dn.DEFAULT_COMPONENTS_COLORS,s){this.setVertexStream(ns,e,t,s,je,!1)}setColors32(e,t){this.setVertexStream(ns,e,Dn.DEFAULT_COMPONENTS_COLORS,t,mr,!0)}setIndices(e,t){this._initGeometryData(),this._geometryData.indexStreamUpdated=!0,this._geometryData.indices=e,this._geometryData.indexCount=t||e.length}getPositions(e){return this.getVertexStream(Ie,e)}getNormals(e){return this.getVertexStream(Cs,e)}getUvs(e,t){return this.getVertexStream(vv+e,t)}getColors(e){return this.getVertexStream(ns,e)}getIndices(e){let t=0;if(this._geometryData&&this._geometryData.indices){const s=this._geometryData.indices;if(t=this._geometryData.indexCount,ArrayBuffer.isView(e))e.set(s);else{e.length=0;for(let i=0,r=s.length;i<r;i++)e.push(s[i])}}else this.indexBuffer.length>0&&this.indexBuffer[0]&&(t=this.indexBuffer[0].readData(e));return t}update(e=qs,t=!0){if(this._geometryData){if(t){const r=this._geometryData.vertexStreamDictionary[Ie];r&&r.componentCount===3&&(this._aabb.compute(r.data,this._geometryData.vertexCount),this._aabbVer++)}let s=this._geometryData.recreate;this._geometryData.vertexCount>this._geometryData.maxVertices&&(s=!0,this._geometryData.maxVertices=this._geometryData.vertexCount),s&&this.vertexBuffer&&(this.vertexBuffer.destroy(),this.vertexBuffer=null);let i=this._geometryData.recreate;this._geometryData.indexCount>this._geometryData.maxIndices&&(i=!0,this._geometryData.maxIndices=this._geometryData.indexCount),i&&this.indexBuffer.length>0&&this.indexBuffer[0]&&(this.indexBuffer[0].destroy(),this.indexBuffer[0]=null),this._geometryData.vertexStream

425sUpdated&&this._updateVertexBuffer(),this._geometryData.indexStreamUpdated&&this._updateIndexBuffer(),this.primitive[0].type=e,this.indexBuffer.length>0&&this.indexBuffer[0]?this._geometryData.indexStreamUpdated&&(this.primitive[0].count=this._geometryData.indexCount,this.primitive[0].indexed=!0):this._geometryData.vertexStreamsUpdated&&(this.primitive[0].count=this._geometryData.vertexCount,this.primitive[0].indexed=!1),this._geometryData.vertexCount=0,this._geometryData.indexCount=0,this._geometryData.vertexStreamsUpdated=!1,this._geometryData.indexStreamUpdated=!1,this._geometryData.recreate=!1,this.updateRenderStates()}}_buildVertexFormat(e){const t=[];for(const s in this._geometryData.vertexStreamDictionary){const i=this._geometryData.vertexStreamDictionary[s];t.push({semantic:s,components:i.componentCount,type:i.dataType,normalize:i.dataTypeNormalize,asInt:i.asInt})}return new Us(this.device,t,e)}_updateVertexBuffer(){if(!this.vertexBuffer){const s=this._geometryData.maxVertices,i=this._buildVertexFormat(s);this.vertexBuffer=new Hi(this.device,i,s,{usage:this._geometryData.verticesUsage,storage:this._storageVertex})}const e=new jl(this.vertexBuffer),t=this._geometryData.vertexCount;for(const s in this._geometryData.vertexStreamDictionary){const i=this._geometryData.vertexStreamDictionary[s];e.writeData(s,i.data,t),delete this._geometryData.vertexStreamDictionary[s]}e.end()}_updateIndexBuffer(){if(this.indexBuffer.length<=0||!this.indexBuffer[0]){const t=this._geometryData.maxVertices,s=t>65535||t===0?ra:Ni,i=this._storageIndex?{storage:!0}:void 0;this.indexBuffer[0]=new la(this.device,s,this._geometryData.maxIndices,this._geometryData.indicesUsage,void 0,i)}const e=this._geometryData.indices;e&&(this.indexBuffer[0].writeData(e,this._geometryData.indexCount),this._geometryData.indices=null)}prepareRenderState(e){e===Na?this.generateWireframe():e===wh&&(this.primitive[wh]={type:lf,base:0,baseVertex:0,count:this.vertexBuffer?this.vertexBuffer.numVertices:0,indexed:!1})}updateRenderStates(){this.primitive[wh]&&this.prepareRenderState(wh),this.primitive[Na]&&this.prepareRenderState(Na)}generateWireframe(){this._destroyIndexBuffer(Na);const e=this.vertexBuffer.numVertices;let t,s;if(this.indexBuffer.length>0&&this.indexBuffer[0]){const r=[[0,1],[1,2],[2,0]],a=this.primitive[co].base,n=this.primitive[co].count,o=this.primitive[co].baseVertex||0,c=this.indexBuffer[co],h=vg[c.format],d=new h(c.storage),u=new h(n*2),f=new Set;let p=0;for(let m=a;m<a+n;m+=3)for(let _=0;_<3;_++){const g=d[m+r[_][0]]+o,v=d[m+r[_][1]]+o,x=g>v?v*e+g:g*e+v;f.has(x)||(f.add(x),u[p++]=g,u[p++]=v)}f.clear(),s=c.format,t=u.slice(0,p)}else{const r=e-e%3,a=r/3*6;s=a>65535?ra:Ni,t=a>65535?new Uint32Array(a):new Uint16Array(a);let n=0;for(let o=0;o<r;o+=3)t[n++]=o,t[n++]=o+1,t[n++]=o+1,t[n++]=o+2,t[n++]=o+2,t[n++]=o}const i=new la(this.vertexBuffer.device,s,t.length,Ys,t.buffer);this.primitive[Na]={type:cf,base:0,baseVertex:0,count:t.length,indexed:!0},this.indexBuffer[Na]=i}}const SS=new Z,pp=new E,yS=new ae,mp=new ae,xS=new E,TS=new E,i1=new Z,r1=new ae,Is=new E,hl=new Z,Ds=new ae,Mn=new ae,wS=new Z,_p=new E,Eh=new E;function CS(l,e){return l instanceof Function?l:t=>{let s=t[l];return s instanceof Function&&(s=s()),s===e}}function zT(l,e){if(e(l))return l;const t=l._children,s=t.length;for(let i=0;i<s;++i){const r=zT(t[i],e);if(r)return r}return null}class He extends ge{name;tags=new Mx(this);localPosition=new E;localRotation=new ae;localScale=new E(1,1,1);localEulerAngles=new E;position=new E;rotation=new ae;eulerAngles=new E;_scale=null;localTransform=new Z;_dirtyLocal=!1;_aabbVer=0;_frozen=!1;worldTransform=new Z;_dirtyWorld=!1;_worldScaleSign=0;_normalMatrix=new xi;_dirtyNormal=!0;_right=null;_up=null;_forward=null;_parent=null;_children=[];_graphDepth=0;_enabled=!0;_enabledInHierarchy=!1;scaleCompensation=!1;constructor(e="Untitled"){super(),this.name=e}get right(){return this._right||(this._right=new E),this.getWorldTransform().getX(this._right).normalize()}get up(){return this._up||(this._up=new E),this.getWorldTransform().getY(this._up).normalize()}get forward(){return this._forward||(this._forward=new E),this.getWorldTransform().getZ(this._forward).normalize().mulScalar(-1)}get normalMatrix(){const e=this._normalMatrix;return this._dirtyNormal&&(e.invertMat4(this.getWorldTransform()).transpose(),this._dirtyNormal=!1),e}set enabled(e){this._enabled!==e&&(this._enabled=e,(e&&this._parent?.enabled||!e)&&this._notifyHierarchyStateChanged(this,e))}get enabled(){return this._enabled&&this._enabledInHierarchy}get parent(){return this._parent}get path(){let e=this._parent;if(!e)return"";let t=this.name;for(;e&&e._parent;)t=`${e.name}/${t}`,e=e._parent;return t}get root(){let e=this;for(;e._parent;)e=e._parent;return e}get children(){return this._children}get graphDepth(){return this._graphDepth}_notifyHierarchyStateChanged(e,t){e._onHierarchyStateChanged(t);const s=e._children;for(let i=0,r=s.length;i<r;i++)s[i]._enabled&&this._notifyHierarchyStateChanged(s[i],t)}_onHierarchyStateChanged(e){this._enabledInHierarchy=e,e&&!this._frozen&&this._unfreezeParentToRoot()}_cloneInternal(e){e.name=this.name;const t=this.tags._list;e.tags.clear();for(let s=0;s<t.length;s++)e.tags.add(t[s]);e.localPosition.copy(this.localPosition),e.localRotation.copy(this.localRotation),e.localScale.copy(this.localScale),e.localEulerAngles.copy(this.localEulerAngles),e.position.copy(this.position),e.rotation.copy(this.rotation),e.eulerAngles.copy(this.eulerAngles),e.localTransform.copy(this.localTransform),e._dirtyLocal=this._dirtyLocal,e.worldTransform.copy(this.worldTransform),e._dirtyWorld=this._dirtyWorld,e._dirtyNormal=this._dirtyNormal,e._aabbVer=this._aabbVer+1,e._enabled=this._enabled,e.scaleCompensation=this.scaleCompensation,e._enabledInHierarchy=!1}clone(){const e=new this.constructor;return this._cloneInternal(e),e}copy(e){return e._cloneInternal(this),this}destroy(){this.remove();const e=this._children;for(;e.length;){const t=e.pop();t._parent=null,t.destroy()}this.fire("destroy",this),this.off()}find(e,t){const s=[],i=CS(e,t);return this.forEach(r=>{i(r)&&s.push(r)}),s}findOne(e,t){const s=CS(e,t);return zT(this,s)}findByTag(...e){const t=[],s=(i,r)=>{r&&i.tags.has(...e)&&t.push(i);for(let a=0;a<i._children.length;a++)s(i._children[a],!0)};return s(this,!1),t}findByName(e){return this.findOne("name",e)}findByPath(e){const t=Array.isArray(e)?e:e.split("/");let s=this;for(let i=0,r=t.length;i<r;++i)if(s=s.children.find(a=>a.name===t[i]),!s)return null;return s}forEach(e,t){e.call(t,this);const s=this._children,i=s.length;for(let r=0;r<i;++r)s[r].forEach(e,t)}isDescendantOf(e){let t=this._parent;for(;t;){if(t===e)return!0;t=t._parent}return!1}isAncestorOf(e){return e.isDescendantOf(this)}getEulerAngles(){return this.getWorldTransform().getEulerAngles(this.eulerAngles),this.eulerAngles}getLocalEulerAngles(){return this.localRotation.getEulerAngles(this.localEulerAngles),this.localEulerAngles}getLocalPosition(){return this.localPosition}getLocalRotation(){return this.localRotation}getLocalScale(){return this.localScale}getLocalTransform(){return this._dirtyLocal&&(this.localTransform.setTRS(this.localPosition,this.localRotation,this.localScale),this._dirtyLocal=!1),this.localTransform}getPosition(){return this.getWorldTransform().getTranslation(this.position),this.position}getRotation(){return this.rotation.setFromMat4(this.getWorldTransform()),this.rotation}getScale(){return this._scale||(this._scale=new E),this.getWorldTransform().getScale(this._scale)}

425getWorldTransform(){return!this._dirtyLocal&&!this._dirtyWorld?this.worldTransform:(this._parent&&this._parent.getWorldTransform(),this._sync(),this.worldTransform)}get worldScaleSign(){return this._worldScaleSign===0&&(this._worldScaleSign=this.getWorldTransform().scaleSign),this._worldScaleSign}remove(){this._parent?.removeChild(this)}reparent(e,t){this.remove(),e&&(t>=0?e.insertChild(this,t):e.addChild(this))}setLocalEulerAngles(e,t,s){this.localRotation.setFromEulerAngles(e,t,s),this._dirtyLocal||this._dirtifyLocal()}setLocalPosition(e,t,s){e instanceof E?this.localPosition.copy(e):this.localPosition.set(e,t,s),this._dirtyLocal||this._dirtifyLocal()}setLocalRotation(e,t,s,i){e instanceof ae?this.localRotation.copy(e):this.localRotation.set(e,t,s,i),this._dirtyLocal||this._dirtifyLocal()}setLocalScale(e,t,s){e instanceof E?this.localScale.copy(e):this.localScale.set(e,t,s),this._dirtyLocal||this._dirtifyLocal()}_dirtifyLocal(){this._dirtyLocal||(this._dirtyLocal=!0,this._dirtyWorld||this._dirtifyWorld())}_unfreezeParentToRoot(){let e=this._parent;for(;e;)e._frozen=!1,e=e._parent}_dirtifyWorld(){this._dirtyWorld||this._unfreezeParentToRoot(),this._dirtifyWorldInternal()}_dirtifyWorldInternal(){if(!this._dirtyWorld){this._frozen=!1,this._dirtyWorld=!0;for(let e=0;e<this._children.length;e++)this._children[e]._dirtyWorld||this._children[e]._dirtifyWorldInternal()}this._dirtyNormal=!0,this._worldScaleSign=0,this._aabbVer++}setPosition(e,t,s){e instanceof E?Is.copy(e):Is.set(e,t,s),this._parent===null?this.localPosition.copy(Is):(hl.copy(this._parent.getWorldTransform()).invert(),hl.transformPoint(Is,this.localPosition)),this._dirtyLocal||this._dirtifyLocal()}setRotation(e,t,s,i){if(e instanceof ae?Ds.copy(e):Ds.set(e,t,s,i),this._parent===null)this.localRotation.copy(Ds);else{const r=this._parent.getRotation();Mn.copy(r).invert(),this.localRotation.copy(Mn).mul(Ds)}this._dirtyLocal||this._dirtifyLocal()}setPositionAndRotation(e,t){if(this._parent===null)this.localPosition.copy(e),this.localRotation.copy(t);else{const s=this._parent.getWorldTransform();hl.copy(s).invert(),hl.transformPoint(e,this.localPosition),this.localRotation.setFromMat4(hl).mul(t)}this._dirtyLocal||this._dirtifyLocal()}setEulerAngles(e,t,s){if(this.localRotation.setFromEulerAngles(e,t,s),this._parent!==null){const i=this._parent.getRotation();Mn.copy(i).invert(),this.localRotation.mul2(Mn,this.localRotation)}this._dirtyLocal||this._dirtifyLocal()}addChild(e){this._prepareInsertChild(e),this._children.push(e),this._onInsertChild(e)}addChildAndSaveTransform(e){const t=e.getPosition(),s=e.getRotation();this._prepareInsertChild(e),e.setPosition(i1.copy(this.worldTransform).invert().transformPoint(t)),e.setRotation(r1.copy(this.getRotation()).invert().mul(s)),this._children.push(e),this._onInsertChild(e)}insertChild(e,t){this._prepareInsertChild(e),this._children.splice(t,0,e),this._onInsertChild(e)}_prepareInsertChild(e){e.remove()}_fireOnHierarchy(e,t,s){this.fire(e,s);for(let i=0;i<this._children.length;i++)this._children[i]._fireOnHierarchy(t,t,s)}_onInsertChild(e){e._parent=this;const t=e._enabled&&this.enabled;e._enabledInHierarchy!==t&&(e._enabledInHierarchy=t,e._notifyHierarchyStateChanged(e,t)),e._updateGraphDepth(),e._dirtifyWorld(),this._frozen&&e._unfreezeParentToRoot(),e._fireOnHierarchy("insert","inserthierarchy",this),this.fire&&this.fire("childinsert",e)}_updateGraphDepth(){this._graphDepth=this._parent?this._parent._graphDepth+1:0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._updateGraphDepth()}removeChild(e){const t=this._children.indexOf(e);t!==-1&&(this._children.splice(t,1),e._parent=null,e._fireOnHierarchy("remove","removehierarchy",this),this.fire("childremove",e))}_sync(){if(this._dirtyLocal&&(this.localTransform.setTRS(this.localPosition,this.localRotation,this.localScale),this._dirtyLocal=!1),this._dirtyWorld){if(this._parent===null)this.worldTransform.copy(this.localTransform);else if(this.scaleCompensation){let e;const t=this._parent;let s=this.localScale,i=t;if(i){for(;i&&i.scaleCompensation;)i=i._parent;i&&(i=i._parent,i&&(e=i.worldTransform.getScale(),xS.mul2(e,this.localScale),s=xS))}mp.setFromMat4(t.worldTransform),yS.mul2(mp,this.localRotation);let r=t.worldTransform;

425t.scaleCompensation&&(TS.mul2(e,t.getLocalScale()),SS.setTRS(t.worldTransform.getTranslation(pp),mp,TS),r=SS),r.transformPoint(this.localPosition,pp),this.worldTransform.setTRS(pp,yS,s)}else this.worldTransform.mulAffine2(this._parent.worldTransform,this.localTransform);this._dirtyWorld=!1}}syncHierarchy(){if(!this._enabled||this._frozen)return;this._frozen=!0,(this._dirtyLocal||this._dirtyWorld)&&this._sync();const e=this._children;for(let t=0,s=e.length;t<s;t++)e[t].syncHierarchy()}lookAt(e,t,s,i=0,r=1,a=0){if(e instanceof E)_p.copy(e),t instanceof E?Eh.copy(t):Eh.copy(E.UP);else{if(s===void 0)return;_p.set(e,t,s),Eh.set(i,r,a)}wS.setLookAt(this.getPosition(),_p,Eh),Ds.setFromMat4(wS),this.setRotation(Ds)}translate(e,t,s){e instanceof E?Is.copy(e):Is.set(e,t,s),Is.add(this.getPosition()),this.setPosition(Is)}translateLocal(e,t,s){e instanceof E?Is.copy(e):Is.set(e,t,s),this.localRotation.transformVector(Is,Is),this.localPosition.add(Is),this._dirtyLocal||this._dirtifyLocal()}rotate(e,t,s){if(Ds.setFromEulerAngles(e,t,s),this._parent===null)this.localRotation.mul2(Ds,this.localRotation);else{const i=this.getRotation(),r=this._parent.getRotation();Mn.copy(r).invert(),Ds.mul2(Mn,Ds),this.localRotation.mul2(Ds,i)}this._dirtyLocal||this._dirtifyLocal()}rotateLocal(e,t,s){Ds.setFromEulerAngles(e,t,s),this.localRotation.mul(Ds),this._dirtyLocal||this._dirtifyLocal()}}const VT=new Jt;function Zo(l){return VT.get(l)}function a1(l,e){VT.get(l,()=>e)}class n1{cache=new Map;destroy(){this.cache.forEach((e,t)=>{t.destroy()}),this.cache.clear()}incRef(e){const t=(this.cache.get(e)||0)+1;this.cache.set(e,t)}decRef(e){if(e){let t=this.cache.get(e);t&&(t--,t===0?(this.cache.delete(e),e.destroy()):this.cache.set(e,t))}}}class qr{static cache=new n1;static incRef(e){this.cache.incRef(e)}static decRef(e){this.cache.decRef(e)}static destroy(){this.cache.destroy()}}class GT{_counter=0;get(){return this._counter++}}const HT=new GT,o1=new Le,bh=new Le,gp=new W_,vp=new Set,Rn=new Uint32Array(4);class ES{vertexBuffer=null;_destroyVertexBuffer=!1;constructor(e){this.count=e}destroy(){this._destroyVertexBuffer&&this.vertexBuffer?.destroy(),this.vertexBuffer=null}}class l1{shader;bindGroup=null;uniformBuffer=null;hashes;getBindGroup(e){if(!this.bindGroup){const s=this.shader.meshBindGroupFormat;this.bindGroup=new jo(e,s)}return this.bindGroup}getUniformBuffer(e){if(!this.uniformBuffer){const s=this.shader.meshUniformBufferFormat;this.uniformBuffer=new jc(e,s,!1)}return this.uniformBuffer}destroy(){this.bindGroup?.destroy(),this.bindGroup=null,this.uniformBuffer?.destroy(),this.uniformBuffer=null}}class Ne{castShadow=!1;shadowCascadeMask=vI;cull=!0;drawOrder=0;_drawBucket=127;node;visible=!0;visibleThisFrame=!1;flipFacesFactor=1;gsplatInstance=null;id=HT.get();isVisibleFunc=null;instancingData=null;indirectData=null;drawCommands=null;meshMetaData=null;parameters={};pick=!0;stencilFront=null;stencilBack=null;transparent=!1;_aabb=new Le;_aabbVer=-1;_aabbMeshVer=-1;_customAabb=null;_updateAabb=!0;_updateAabbFunc=null;_sortKeyShadow=0;_sortKeyForward=0;_sortKeyDynamic=0;_layer=fT;_material=null;_skinInstance=null;_morphInstance=null;_receiveShadow=!0;_renderStyle=co;_screenSpace=!1;_shaderCache=new Map;_shaderDefs=Js<<16;_calculateSortDistance=null;constructor(e,t,s=null){if(this.node=s,this._mesh=e,e.incRefCount(),this.material=t,e.vertexBuffer){const i=e.vertexBuffer.format;this._shaderDefs|=i.hasUv0?Bg:0,this._shaderDefs|=i.hasUv1?IT:0,this._shaderDefs|=i.hasColor?DT:0,this._shaderDefs|=i.hasTangents?Ng:0}this.updateKey()}set drawBucket(e){this._drawBucket=Math.floor(e)&255,this.updateKey()}get drawBucket(){return this._drawBucket}set renderStyle(e){this._renderStyle=e,this.mesh.prepareRenderState(e)}get renderStyle(){return this._renderStyle}set mesh(e){e!==this._mesh&&(this._mesh&&this._mesh.decRefCount(),this._mesh=e,e&&e.incRefCount())}get mesh(){return this._mesh}set aabb(e){this._aabb=e}get aabb(){if(!this._updateAabb)return this._aabb;if(this._updateAabbFunc)return this._updateAabbFunc(this._aabb);let e=this._customAabb,t=!!e;if(!e){if(e=o1,this.skinInstance){if(!this.mesh.boneAabb){const r=this._morphInstance?this._morphInstance.morph._targets:null;this.mesh._initBoneAabbs(r)}const s=this.mesh.boneUsed;let i=!0;for(let r=0;r<this.mesh.boneAabb.length;r++)s[r]&&(bh.setFromTransformedAabb(this.mesh.boneAabb[r],this.skinInstance.matrices[r]),i?(i=!1,e.center.copy(bh.center),e.halfExtents.copy(bh.halfExtents)):e.add(bh));t=!0}else if(this.node._aabbVer!==this._aabbVer||this.mesh._aabbVer!==this._aabbMeshVer){if(this.mesh?(e.center.copy(this.mesh.aabb.center),e.halfExtents.copy(this.mesh.aabb.halfExtents)):(e.center.set(0,0,0),e.halfExtents.set(0,0,0)),this.mesh&&this.mesh.morph){const s=this.mesh.morph.aabb;e._expand(s.getMin(),s.getMax())}t=!0,this._aabbVer=this.node._aabbVer,this._aabbMeshVer=this.mesh._aabbVer}}return t&&this._aabb.setFromTransformedAabb(e,this.node.getWorldTransform()),this._aabb}

425clearShaders(){this._shaderCache.forEach(e=>{e.destroy()}),this._shaderCache.clear()}getShaderInstance(e,t,s,i,r,a,n){const o=this._shaderDefs;Rn[0]=e,Rn[1]=t,Rn[2]=o,Rn[3]=i.hash;const c=Tf(Rn);let h=this._shaderCache.get(c);if(!h){const d=this._material;if(h=new l1,h.shader=d.variants.get(c),h.hashes=new Uint32Array(Rn),!h.shader){const u=d.getShaderVariant({device:this.mesh.device,scene:s,objDefs:o,cameraShaderParams:i,pass:e,sortedLights:n,viewUniformFormat:r,viewBindGroupFormat:a,vertexFormat:this.mesh.vertexBuffer?.format});d.variants.set(c,u),h.shader=u}this._shaderCache.set(c,h)}return h}set material(e){this.clearShaders();const t=this._material;t&&t.removeMeshInstanceRef(this),this._material=e,e&&(e.addMeshInstanceRef(this),this.transparent=e.transparent,this.updateKey())}get material(){return this._material}_updateShaderDefs(e){e!==this._shaderDefs&&(this._shaderDefs=e,this.clearShaders())}set calculateSortDistance(e){this._calculateSortDistance=e}get calculateSortDistance(){return this._calculateSortDistance}set receiveShadow(e){this._receiveShadow!==e&&(this._receiveShadow=e,this._updateShaderDefs(e?this._shaderDefs&~lu:this._shaderDefs|lu))}get receiveShadow(){return this._receiveShadow}set batching(e){this._updateShaderDefs(e?this._shaderDefs|Ed:this._shaderDefs&~Ed)}get batching(){return(this._shaderDefs&Ed)!==0}set skinInstance(e){this._skinInstance=e,this._updateShaderDefs(e?this._shaderDefs|fc:this._shaderDefs&~fc),this._setupSkinUpdate()}get skinInstance(){return this._skinInstance}set morphInstance(e){this._morphInstance?.destroy(),this._morphInstance=e;let t=this._shaderDefs;t=e&&e.morph.morphPositions?t|mc:t&~mc,t=e&&e.morph.morphNormals?t|_c:t&~_c,t=e&&e.morph.intRenderFormat?t|gc:t&~gc,this._updateShaderDefs(t)}get morphInstance(){return this._morphInstance}set screenSpace(e){this._screenSpace!==e&&(this._screenSpace=e,this._updateShaderDefs(e?this._shaderDefs|cu:this._shaderDefs&~cu))}get screenSpace(){return this._screenSpace}set key(e){this._sortKeyForward=e}get key(){return this._sortKeyForward}set mask(e){const t=this._shaderDefs&65535;this._updateShaderDefs(t|e<<16)}get mask(){return this._shaderDefs>>16}set instancingCount(e){this.instancingData&&(this.instancingData.count=e)}get instancingCount(){return this.instancingData?this.instancingData.count:0}destroy(){const e=this.mesh;e&&(this.mesh=null,e.refCount<1&&e.destroy()),this.setRealtimeLightmap(Ne.lightmapParamNames[0],null),this.setRealtimeLightmap(Ne.lightmapParamNames[1],null),this._skinInstance?.destroy(),this._skinInstance=null,this.morphInstance?.destroy(),this.morphInstance=null,this.clearShaders(),this.material=null,this.instancingData?.destroy(),this.destroyDrawCommands()}destroyDrawCommands(){if(this.drawCommands){for(const e of this.drawCommands.values())e?.destroy();this.drawCommands=null}}static lightmapParamNames=["texture_lightMap","texture_dirLightMap"];static _prepareRenderStyleForArray(e,t){if(e){for(let s=0;s<e.length;s++){e[s]._renderStyle=t;const i=e[s].mesh;vp.has(i)||(vp.add(i),i.prepareRenderState(t))}vp.clear()}}_isVisible(e){return this.visible?this.isVisibleFunc?this.isVisibleFunc(e):(gp.center=this.aabb.center,gp.radius=this._aabb.halfExtents.length(),e.frustum.containsSphere(gp)>0):!1}updateKey(){const{material:e}=this;this._sortKeyForward=this._drawBucket<<23|(e.alphaToCoverage||e.alphaTest?4194304:0)|e.id&4194303}setInstancing(e,t=!1){e?(e===!0?this.instancingData=new ES(0):(this.instancingData=new ES(e.numVertices),this.instancingData.vertexBuffer=e,e.format.instancing=!0),this.cull=t):(this.instancingData=null,this.cull=!0),this._updateShaderDefs(e instanceof Hi?this._shaderDefs|pc:this._shaderDefs&~pc)}setIndirect(e,t,s=1){const i=e?.camera??null;if(t===-1)this._deleteDrawCommandsKey(i);else{this.drawCommands??(this.drawCommands=new Map);const r=this.drawCommands.get(i)??new rS(this.mesh.device);r.slotIndex=t,r.update(s),this.drawCommands.set(i,r),this.mesh.device.mapsToClear.add(this.drawCommands)}}setMultiDraw(e,t=1){const s=e?.camera??null;let i;if(t===0)this._deleteDrawCommandsKey(s);else{if(this.drawCommands??(this.drawCommands=new Map),i=this.drawCommands.get(s),!i){const a=this.mesh.indexBuffer?.[0]?.format,n=a!==void 0?kE[a]:0;

425i=new rS(this.mesh.device,n),this.drawCommands.set(s,i)}i.allocate(t)}return i}_deleteDrawCommandsKey(e){const t=this.drawCommands;t&&(t.get(e)?.destroy(),t.delete(e),t.size===0&&this.destroyDrawCommands())}getDrawCommands(e){const t=this.drawCommands;if(t)return t.get(e)??t.get(null)}getIndirectMetaData(){const e=this.mesh?.primitive[this.renderStyle],t=this.meshMetaData??(this.meshMetaData=new Int32Array(4));return t[0]=e.count,t[1]=e.base,t[2]=e.baseVertex,t}ensureMaterial(e){this.material||(this.material=Zo(e))}clearParameters(){this.parameters={}}getParameters(){return this.parameters}getParameter(e){return this.parameters[e]}setParameter(e,t,s=4294967295){const i=this.parameters[e];i?(i.data=t,i.passFlags=s):this.parameters[e]={scopeId:null,data:t,passFlags:s}}setRealtimeLightmap(e,t){const s=this.getParameter(e);s!==t&&(s&&qr.decRef(s.data),t?(qr.incRef(t),this.setParameter(e,t)):this.deleteParameter(e))}deleteParameter(e){this.parameters[e]&&delete this.parameters[e]}setParameters(e,t){const s=this.parameters;for(const i in s){const r=s[i];r.passFlags&t&&(r.scopeId||(r.scopeId=e.scope.resolve(i)),r.scopeId.setValue(r.data))}}setLightmapped(e){e?this.mask=(this.mask|ur)&-6:(this.setRealtimeLightmap(Ne.lightmapParamNames[0],null),this.setRealtimeLightmap(Ne.lightmapParamNames[1],null),this._shaderDefs&=-4289,this.mask=(this.mask|Js)&-7)}setCustomAabb(e){e?this._customAabb?this._customAabb.copy(e):this._customAabb=e.clone():(this._customAabb=null,this._aabbVer=-1),this._setupSkinUpdate()}_setupSkinUpdate(){this._skinInstance&&(this._skinInstance._updateBeforeCull=!this._customAabb)}}const c1=[0,1,3,2,3,1],h1=[0,1,3,0,3,2],bS=new xi;function AS(l,e){if(l&&!e||!l&&e)return!1;if(l=l.data,e=e.data,l===e)return!0;if(l instanceof Float32Array&&e instanceof Float32Array){if(l.length!==e.length)return!1;for(let t=0;t<l.length;t++)if(l[t]!==e[t])return!1;return!0}return!1}function d1(l,e){for(const t in l)if(l.hasOwnProperty(t)&&!AS(l[t],e[t]))return!1;for(const t in e)if(e.hasOwnProperty(t)&&!AS(e[t],l[t]))return!1;return!0}function Sp(l){return l.node.worldTransform.scaleSign}class u1{constructor(e,t,s){this.device=e,this.rootNode=t,this.scene=s,this._init=!1,this._batchGroups={},this._batchGroupCounter=0,this._batchList=[],this._dirtyGroups=[]}destroy(){this.device=null,this.rootNode=null,this.scene=null,this._batchGroups={},this._batchList=[],this._dirtyGroups=[]}addGroup(e,t,s,i,r){if(i===void 0&&(i=this._batchGroupCounter,this._batchGroupCounter++),this._batchGroups[i])return;const a=new Zt(i,e,t,s,r);return this._batchGroups[i]=a,a}removeGroup(e){if(!this._batchGroups[e])return;const t=[];for(let s=0;s<this._batchList.length;s++)this._batchList[s].batchGroupId===e?this.destroyBatch(this._batchList[s]):t.push(this._batchList[s]);this._batchList=t,this._removeModelsFromBatchGroup(this.rootNode,e),delete this._batchGroups[e]}markGroupDirty(e){this._dirtyGroups.indexOf(e)<0&&this._dirtyGroups.push(e)}getGroupByName(e){const t=this._batchGroups;for(const s in t)if(t.hasOwnProperty(s)&&t[s].name===e)return t[s];return null}getGroupById(e){return this._batchGroups[e]??null}getBatches(e){const t=[],s=this._batchList.length;for(let i=0;i<s;i++){const r=this._batchList[i];r.batchGroupId===e&&t.push(r)}return t}_removeModelsFromBatchGroup(e,t){if(e.enabled){e.model&&e.model.batchGroupId===t&&(e.model.batchGroupId=-1),e.render&&e.render.batchGroupId===t&&(e.render.batchGroupId=-1),e.element&&e.element.batchGroupId===t&&(e.element.batchGroupId=-1),e.sprite&&e.sprite.batchGroupId===t&&(e.sprite.batchGroupId=-1);for(let s=0;s<e._children.length;s++)this._removeModelsFromBatchGroup(e._children[s],t)}}insert(e,t,s){const i=this._batchGroups[t];i&&i._obj[e].indexOf(s)<0&&(i._obj[e].push(s),this.markGroupDirty(t))}remove(e,t,s){const i=this._batchGroups[t];if(i){const r=i._obj[e].indexOf(s);r>=0&&(i._obj[e].splice(r,1),this.markGroupDirty(t))}}_filterBatchableInstances(e,t){let s=!1;for(let i=0;i<e.length;i++)(e[i].skinInstance||e[i].morphInstance)&&(s=!0);return s?null:e}_extractRender(e,t,s,i){if(e.render){const r=this._filterBatchableInstances(e.render.meshInstances,e.name);r&&(t=i[e.render.batchGroupId]=t.concat(r),e.render.removeFromLayers())}return t}_extractModel(e,t,s,i){if(e.model&&e.model.model){const r=this._filterBatchableInstances(e.model.meshInstances,e.name);r&&(t=i[e.model.batchGroupId]=t.concat(r),e.model.removeModelFromLayers())}return t}_extractElement(e,t,s){if(!e.element)return;let i=!1;e.element._text&&e.element._text._model.meshInstances.length>0?(t.push(e.element._text._model.meshInstances[0]),e.element.removeModelFromLayers(e.element._text._model),i=!0):e.element._image&&(t.push(e.element._image._renderable.meshInstance),e.element.removeModelFromLayers(e.element._image._renderable.model),e.element._image._renderable.unmaskMeshInstance&&(t.push(e.element._image._renderable.unmaskMeshInstance),(!e.element._image._renderable.unmaskMeshInstance.stencilFront||!e.element._image._renderable.unmaskMeshInstance.stencilBack)&&(e.element._dirtifyMask(),e.element._onPrerender())),i=!0),i&&(s._ui=!0)}_collectAndRemoveMeshInstances(e,t){for(let s=0;s<t.length;s++){const i=t[s],r=this._batchGroups[i];if(!r)continue;let a=e[i];a||(a=e[i]=[]);for(let n=0;n<r._obj.model.length;n++)a=this._extractModel(r._obj.model[n],a,r,e);for(let n=0;n<r._obj.render.length;n++)a=this._extractRender(r._obj.render[n],a,r,e);for(let n=0;n<r._obj.element.length;n++)this._extractElement(r._obj.element[n],a,r);for(let n=0;n<r._obj.sprite.length;n++){const o=r._obj.sprite[n];o.sprite&&o.sprite._meshInstance&&(r.dynamic||o.sprite.sprite._renderMode===Fi)&&(a.push(o.sprite._meshInstance),o.sprite.removeFromLayers(),r._sprite=!0)}}}generate(e){const t={};e||(e=Object.keys(this._batchGroups));const s=[];for(let o=0;o<this._batchList.length;o++){if(e.indexOf(this._batchList[o].batchGroupId)<0){s.push(this._batchList[o]);continue}this.destroyBatch(this._batchList[o])}if(this._batchList=s,this._collectAndRemoveMeshInstances(t,e),e===this._dirtyGroups)this._dirtyGroups.length=0;else{const o=[];for(let c=0;c<this._dirtyGroups.length;c++)e.indexOf(this._dirtyGroups[c])<0&&o.push(this._dirtyGroups[c]);this._dirtyGroups=o}let i,r,a,n;for(const o in t)if(t.hasOwnProperty(o)&&(i=t[o],a=this._batchGroups[o],!!a)){r=this.prepare(i,a.dynamic,a.maxAabbSize,a._ui||a._sprite);for(let c=0;c<r.length;c++)n=this.create(r[c],a.dynamic,parseInt(o,10)),n&&n.addToLayers(this.scene,a.layers)}}prepare(e,t,s=Number.POSITIVE_INFINITY,i){if(e.length===0)return[];const r=s*.5,a=1024,n=4294967295,o=new Le,c=new Le;let h=null,d;const u=[];let f=0;i&&e.sort((g,v)=>g.drawOrder-v.drawOrder);let p=e,m;const _=i?function(g){h?h.add(g.aabb):h=g.aabb.clone(),m.push(g)}:function(g){m.push(g)};for(;p.length>0;){u[f]=[p[0]],m=[];const g=p[0].material,v=p[0].layer,x=p[0]._shaderDefs,y=p[0].parameters,S=p[0].stencilFront;let T=p[0].mesh.vertexBuffer.getNumVertices();const w=p[0].drawOrder;o.copy(p[0].aabb);

425const C=Sp(p[0]),b=p[0].mesh.vertexBuffer.format.batchingHash,I=p[0].mesh.primitive[0].indexed,P=p[0].castShadow,L=p[0].shadowCascadeMask;h=null;for(let O=1;O<p.length;O++){const D=p[O];if(t&&u[f].length>=a){m=m.concat(p.slice(O));break}if(g!==D.material||v!==D.layer||b!==D.mesh.vertexBuffer.format.batchingHash||I!==D.mesh.primitive[0].indexed||x!==D._shaderDefs||T+D.mesh.vertexBuffer.getNumVertices()>n){_(D);continue}if(c.copy(o),c.add(D.aabb),c.halfExtents.x>r||c.halfExtents.y>r||c.halfExtents.z>r){_(D);continue}if(S&&(!(d=D.stencilFront)||S.func!==d.func||S.zpass!==d.zpass)){_(D);continue}if(C!==Sp(D)){_(D);continue}if(P!==D.castShadow||L!==D.shadowCascadeMask){_(D);continue}if(!d1(y,D.parameters)){_(D);continue}if(i&&h&&h.intersects(D.aabb)&&D.drawOrder!==w){_(D);continue}o.add(D.aabb),T+=D.mesh.vertexBuffer.getNumVertices(),u[f].push(D)}f++,p=m}return u}collectBatchedMeshData(e,t){let s=null,i=0,r=0,a=null;for(let n=0;n<e.length;n++)if(e[n].visible){const o=e[n].mesh,c=o.vertexBuffer.numVertices;if(i+=c,o.primitive[0].indexed)r+=o.primitive[0].count;else{const h=o.primitive[0].type;(h===qa||h===Tr)&&o.primitive[0].count===4&&(r+=6)}if(!s){a=e[n].material,s={};const h=o.vertexBuffer.format.elements;for(let d=0;d<h.length;d++){const u=h[d].name;s[u]={numComponents:h[d].numComponents,dataType:h[d].dataType,normalize:h[d].normalize,count:0}}t&&(s[Bs]={numComponents:1,dataType:je,normalize:!1,count:0})}}return{streams:s,batchNumVerts:i,batchNumIndices:r,material:a}}

425create(e,t,s){this._init||(this.vertexFormats={},this._init=!0);let i=null,r,a,n,o=null;const c=this.collectBatchedMeshData(e,t);if(c.streams){const h=c.streams;let d=c.material;const u=c.batchNumVerts,f=c.batchNumIndices;o=new _S(e,t,s),this._batchList.push(o);let p,m,_,g,v=0,x=0,y;const S=u<=65535?Uint16Array:Uint32Array,T=new S(f);for(r in h)i=h[r],i.typeArrayType=yo[i.dataType],i.elementByteSize=Xl[i.dataType],i.buffer=new i.typeArrayType(u*i.numComponents);for(let b=0;b<e.length;b++)if(e[b].visible){a=e[b].mesh,n=a.vertexBuffer.numVertices,t||(y=e[b].node.getWorldTransform());for(r in h)if(r!==Bs){i=h[r];const I=new i.typeArrayType(i.buffer.buffer,i.elementByteSize*i.count),P=a.getVertexStream(r,I)*i.numComponents;if(i.count+=P,!t&&i.numComponents>=3){if(r===Ie){const L=y.data,O=L[0],D=L[1],N=L[2],k=L[4],A=L[5],M=L[6],R=L[8],F=L[9],U=L[10],B=L[12],z=L[13],$=L[14];let K,Y,te;for(let J=0;J<P;J+=i.numComponents)K=I[J],Y=I[J+1],te=I[J+2],I[J]=K*O+Y*k+te*R+B,I[J+1]=K*D+Y*A+te*F+z,I[J+2]=K*N+Y*M+te*U+$}else if(r===Cs||r===Gi){bS.invertMat4(y).transpose();const[L,O,D,N,k,A,M,R,F]=bS.data;let U,B,z;for(let $=0;$<P;$+=i.numComponents)U=I[$],B=I[$+1],z=I[$+2],I[$]=U*L+B*N+z*M,I[$+1]=U*O+B*k+z*R,I[$+2]=U*D+B*A+z*F}}}if(t){i=h[Bs];for(let I=0;I<n;I++)i.buffer[i.count++]=b}if(a.primitive[0].indexed){p=a.primitive[0].base,m=a.primitive[0].baseVertex||0,_=a.primitive[0].count;const I=a.indexBuffer[0].getFormat();g=new vg[I](a.indexBuffer[0].storage)}else{m=0;const I=a.primitive[0].type;if(I===qa||I===Tr)if(a.primitive[0].count===4)p=0,_=6,g=I===qa?c1:h1;else{_=0;continue}}for(let I=0;I<_;I++)T[I+x]=g[p+I]+m+v;x+=_,v+=n}a=new at(this.device);for(r in h)i=h[r],a.setVertexStream(r,i.buffer,i.numComponents,void 0,i.dataType,i.normalize);T.length>0&&a.setIndices(T),a.update(qs,!1),t&&(d=d.clone(),d.update());const w=new Ne(a,d,this.rootNode);w.castShadow=o.origMeshInstances[0].castShadow,w.parameters=o.origMeshInstances[0].parameters,w.layer=o.origMeshInstances[0].layer,w._shaderDefs=o.origMeshInstances[0]._shaderDefs,w.batching=!0,w.cull=o.origMeshInstances[0].cull;const C=this._batchGroups[s];if(C&&C._ui&&(w.cull=!1),t){const b=[];for(let I=0;I<o.origMeshInstances.length;I++)b.push(o.origMeshInstances[I].node);w.skinInstance=new vS(this.device,b,this.rootNode)}w._updateAabb=!1,w.drawOrder=o.origMeshInstances[0].drawOrder,w.stencilFront=o.origMeshInstances[0].stencilFront,w.stencilBack=o.origMeshInstances[0].stencilBack,w.flipFacesFactor=Sp(o.origMeshInstances[0]),w.castShadow=o.origMeshInstances[0].castShadow,o.meshInstance=w,o.updateBoundingBox()}return o}updateAll(){this._dirtyGroups.length>0&&this.generate(this._dirtyGroups);for(let e=0;e<this._batchList.length;e++)this._batchList[e].dynamic&&this._batchList[e].updateBoundingBox()}clone(e,t){const s=new _S(t,e.dynamic,e.batchGroupId);this._batchList.push(s);const i=[];for(let r=0;r<t.length;r++)i.push(t[r].node);return s.meshInstance=new Ne(e.meshInstance.mesh,e.meshInstance.material,e.meshInstance.node),s.meshInstance._updateAabb=!1,s.meshInstance.parameters=t[0].parameters,s.meshInstance.cull=t[0].cull,s.meshInstance.layer=t[0].layer,e.dynamic&&(s.meshInstance.skinInstance=new vS(this.device,i,this.rootNode)),s.meshInstance.castShadow=e.meshInstance.castShadow,s}destroyBatch(e){e.destroy(this.scene,this._batchGroups[e.batchGroupId].layers)}}const PS="uSceneColorMap";class f1 extends gn{colorRenderTarget=null;source=null;destroy(){super.destroy(),this.releaseRenderTarget(this.colorRenderTarget)}shouldReallocate(e,t,s){if(e?.colorBuffer.format!==s)return!0;const r=t?.width||this.device.width,a=t?.height||this.device.height;return!e||r!==e.width||a!==e.height}allocateRenderTarget(e,t,s,i){const r=new ce(s,{name:PS,format:i,width:t?t.colorBuffer.width:s.width,height:t?t.colorBuffer.height:s.height,mipmaps:!0,minFilter:ia,magFilter:It,addressU:ue,addressV:ue});return e?(e.destroyFrameBuffers(),e._colorBuffer=r,e._colorBuffers=[r],e.evaluateDimensions()):e=new St({name:"ColorGrabRT",colorBuffer:r,depth:!1,stencil:!1,autoResolve:!1}),e}releaseRenderTarget(e){e&&(e.destroyTextureBuffers(),e.destroy())}frameUpdate(){const e=this.device,t=this.source,s=t?.colorBuffer.format??this.device.backBufferFormat;

425this.shouldReallocate(this.colorRenderTarget,t?.colorBuffer,s)&&(this.releaseRenderTarget(this.colorRenderTarget),this.colorRenderTarget=this.allocateRenderTarget(this.colorRenderTarget,t,e,s));const i=this.colorRenderTarget.colorBuffer;e.scope.resolve(PS).setValue(i)}execute(){const e=this.device,t=this.source,s=this.colorRenderTarget.colorBuffer;e.isWebGPU?(e.copyRenderTarget(t,this.colorRenderTarget,!0,!1),e.mipmapRenderer.generate(this.colorRenderTarget.colorBuffer.impl)):(e.copyRenderTarget(t,this.colorRenderTarget,!0,!1),e.activeTexture(e.maxCombinedTextures-1),e.bindTexture(s),e.gl.generateMipmap(s.impl._glTarget))}}const IS="uSceneDepthMap";class p1 extends gn{depthRenderTarget=null;camera=null;constructor(e,t){super(e),this.camera=t}destroy(){super.destroy(),this.releaseRenderTarget(this.depthRenderTarget)}shouldReallocate(e,t){const s=t?.width||this.device.width,i=t?.height||this.device.height;return!e||s!==e.width||i!==e.height}allocateRenderTarget(e,t,s,i,r){const a=ce.createDataTexture2D(s,IS,t?t.colorBuffer.width:s.width,t?t.colorBuffer.height:s.height,i);return e?(e.destroyFrameBuffers(),r?e._depthBuffer=a:(e._colorBuffer=a,e._colorBuffers=[a]),e.evaluateDimensions()):e=new St({name:"DepthGrabRT",colorBuffer:r?null:a,depthBuffer:r?a:null,depth:!r,stencil:s.supportsStencil,autoResolve:!1}),e}releaseRenderTarget(e){e&&(e.destroyTextureBuffers(),e.destroy())}before(){const e=this.camera,t=this.device,s=e?.renderTarget??t.backBuffer;let i=!0,r=s.stencil?en:Oi;t.isWebGPU&&s.samples>1&&(r=Ti,i=!1);const a=e.renderTarget?.depthBuffer??e.renderTarget?.colorBuffer;this.shouldReallocate(this.depthRenderTarget,a)&&(this.releaseRenderTarget(this.depthRenderTarget),this.depthRenderTarget=this.allocateRenderTarget(this.depthRenderTarget,e.renderTarget,t,r,i));const n=i?this.depthRenderTarget.depthBuffer:this.depthRenderTarget.colorBuffer;t.scope.resolve(IS).setValue(n)}execute(){const e=this.device;if(e.isWebGL2&&e.renderTarget.samples>1){const t=e.renderTarget.impl._glFrameBuffer,s=this.depthRenderTarget;e.renderTarget=s,e.updateBegin(),this.depthRenderTarget.impl.internalResolve(e,t,s.impl._glFrameBuffer,this.depthRenderTarget,e.gl.DEPTH_BUFFER_BIT)}else e.copyRenderTarget(e.renderTarget,this.depthRenderTarget,!1,!0)}}class WT{_gammaCorrection=Ol;_toneMapping=bf;_srgbRenderTarget=!1;_ssaoEnabled=!1;_fog=vn;_sceneDepthMapLinear=!1;_hash;_defines=new Map;_definesDirty=!0;get hash(){if(this._hash===void 0){const e=`${this.gammaCorrection}_${this.toneMapping}_${this.srgbRenderTarget}_${this.fog}_${this.ssaoEnabled}_${this.sceneDepthMapLinear}`;this._hash=Xs(e)}return this._hash}get defines(){const e=this._defines;return this._definesDirty&&(this._definesDirty=!1,e.clear(),this._sceneDepthMapLinear&&e.set("SCENE_DEPTHMAP_LINEAR",""),this.shaderOutputGamma===Ol&&e.set("SCENE_COLORMAP_GAMMA",""),e.set("FOG",this._fog.toUpperCase()),e.set("TONEMAP",ET[this._toneMapping]),e.set("GAMMA",TI[this.shaderOutputGamma])),e}markDirty(){this._hash=void 0,this._definesDirty=!0}set fog(e){this._fog!==e&&(this._fog=e,this.markDirty())}get fog(){return this._fog}set ssaoEnabled(e){this._ssaoEnabled!==e&&(this._ssaoEnabled=e,this.markDirty())}get ssaoEnabled(){return this._ssaoEnabled}set gammaCorrection(e){this._gammaCorrectionAssigned=!0,this._gammaCorrection!==e&&(this._gammaCorrection=e,this.markDirty())}get gammaCorrection(){return this._gammaCorrection}set toneMapping(e){this._toneMapping!==e&&(this._toneMapping=e,this.markDirty())}get toneMapping(){return this._toneMapping}set srgbRenderTarget(e){this._srgbRenderTarget!==e&&(this._srgbRenderTarget=e,this.markDirty())}get srgbRenderTarget(){return this._srgbRenderTarget}set sceneDepthMapLinear(e){this._sceneDepthMapLinear!==e&&(this._sceneDepthMapLinear=e,this.markDirty())}get sceneDepthMapLinear(){return this._sceneDepthMapLinear}get shaderOutputGamma(){return this._gammaCorrection===Ol&&!this._srgbRenderTarget?Ol:qc}}const Ln=new E,dl=new E,DS=new E,MS=new Z,m1=[new E,new E,new E,new E,new E,new E,new E,new E];class cs{static _flipYProjectionMatrix=new Z().setScale(1,-1,1);static _webGpuDepthRangeMatrix=new Z().set([1,0,0,0,0,1,0,0,0,0,.5,0,0,0,.5,1]);static _applyShaderProjectionScratch=new Z;static applyShaderProjectionTransform(e,t,s,i){if(!s&&!i)return t.copy(e),t;if(s&&i){const r=cs._applyShaderProjectionScratch;return r.mul2(cs._flipYProjectionMatrix,e),t.mul2(cs._webGpuDepthRangeMatrix,r),t}return s?(t.mul2(cs._flipYProjectionMatrix,e),t):(t.mul2(cs._webGpuDepthRangeMatrix,e),t)}shaderPassInfo=null;renderPassColorGrab=null;renderPassDepthGrab=null;fogParams=null;shaderParams=new WT;framePasses=[];beforePasses=[];jitter=0;device;constructor(e){this.device=e,this._aspectRatio=16/9,this._aspectRatioMode=hu,this._calculateProjection=null,this._calculateTransform=null,this._clearColor=new Q(.75,.75,.75,1),this._clearColorBuffer=!0,this._clearDepth=1,this._clearDepthBuffer=!0,this._clearStencil=0,this._clearStencilBuffer=!0,this._cullFaces=!0,this._farClip=1e3,this._flipFaces=!1,this._fov=45,this._frustumCulling=!0,this._horizontalFov=!1,this._layers=[Ir,ks,Pg,Ef,Ig],this._layersSet=new Set(this._layers),this._nearClip=.1,this._node=null,this._orthoHeight=10,this._projection=mi,this._rect=new ie(0,0,1,1),this._renderTarget=null,this._scissorRect=new ie(0,0,1,1),this._scissorRectClear=!1,this._aperture=16,this._shutter=1/1e3,this._sensitivity=1e3,this._projMat=new Z,this._projMatDirty=!0,this._projMatSkybox=new Z,this._viewMat=new Z,this._viewMatDirty=!0,this._viewProjMat=new Z,this._viewProjMatDirty=!0,this._shaderMatricesVersion=0,this._viewProjInverse=new Z,this._viewProjCurrent=null,this._viewProjPrevious=new Z,this._jitters=[0,0,0,0],this.frustum=new X_,this._xr=null,this._xrProperties={horizontalFov:this._horizontalFov,fov:this._fov,aspectRatio:this._aspectRatio,farClip:this._farClip,nearClip:this._nearClip}}destroy(){this.renderPassColorGrab?.destroy(),this.renderPassColorGrab=null,this.renderPassDepthGrab?.destroy(),this.renderPassDepthGrab=null,this.framePasses.length=0}_storeShaderMatrices(e,t,s,i){this._shaderMatricesVersion!==i&&(this._shaderMatricesVersion=i,this._viewProjPrevious.copy(this._viewProjCurrent??e),this._viewProjCurrent??(this._viewProjCurrent=ne

425w Z),this._viewProjCurrent.copy(e),this._viewProjInverse.invert(e),this._jitters[2]=this._jitters[0],this._jitters[3]=this._jitters[1],this._jitters[0]=t,this._jitters[1]=s)}get fullSizeClearRect(){const e=this._scissorRectClear?this.scissorRect:this._rect;return e.x===0&&e.y===0&&e.z===1&&e.w===1}set aspectRatio(e){this._aspectRatio!==e&&(this._aspectRatio=e,this._projMatDirty=!0)}get aspectRatio(){if(this.xr?.active)return this._xrProperties.aspectRatio;if(this._aspectRatioMode===hu){const e=this.calculateAspectRatio();this._aspectRatio!==e&&(this._aspectRatio=e,this._projMatDirty=!0)}return this._aspectRatio}set aspectRatioMode(e){this._aspectRatioMode!==e&&(this._aspectRatioMode=e,this._projMatDirty=!0)}get aspectRatioMode(){return this._aspectRatioMode}set calculateProjection(e){this._calculateProjection=e,this._projMatDirty=!0}get calculateProjection(){return this._calculateProjection}set calculateTransform(e){this._calculateTransform=e}get calculateTransform(){return this._calculateTransform}set clearColor(e){this._clearColor.copy(e)}get clearColor(){return this._clearColor}set clearColorBuffer(e){this._clearColorBuffer=e}get clearColorBuffer(){return this._clearColorBuffer}set clearDepth(e){this._clearDepth=e}get clearDepth(){return this._clearDepth}set clearDepthBuffer(e){this._clearDepthBuffer=e}get clearDepthBuffer(){return this._clearDepthBuffer}set clearStencil(e){this._clearStencil=e}get clearStencil(){return this._clearStencil}set clearStencilBuffer(e){this._clearStencilBuffer=e}get clearStencilBuffer(){return this._clearStencilBuffer}set cullFaces(e){this._cullFaces=e}get cullFaces(){return this._cullFaces}set farClip(e){this._farClip!==e&&(this._farClip=e,this._projMatDirty=!0)}get farClip(){return this.xr?.active?this._xrProperties.farClip:this._farClip}set flipFaces(e){this._flipFaces=e}get flipFaces(){return this._flipFaces}set fov(e){this._fov!==e&&(this._fov=e,this._projMatDirty=!0)}get fov(){return this.xr?.active?this._xrProperties.fov:this._fov}set frustumCulling(e){this._frustumCulling=e}get frustumCulling(){return this._frustumCulling}set horizontalFov(e){this._horizontalFov!==e&&(this._horizontalFov=e,this._projMatDirty=!0)}get horizontalFov(){return this.xr?.active?this._xrProperties.horizontalFov:this._horizontalFov}set layers(e){this._layers=e.slice(0),this._layersSet=new Set(this._layers)}get layers(){return this._layers}get layersSet(){return this._layersSet}set nearClip(e){this._nearClip!==e&&(this._nearClip=e,this._projMatDirty=!0)}get nearClip(){return this.xr?.active?this._xrProperties.nearClip:this._nearClip}set node(e){this._node=e}get node(){return this._node}set orthoHeight(e){this._orthoHeight!==e&&(this._orthoHeight=e,this._projMatDirty=!0)}get orthoHeight(){return this._orthoHeight}set projection(e){this._projection!==e&&(this._projection=e,this._projMatDirty=!0)}get projection(){return this._projection}get projectionMatrix(){return this._evaluateProjectionMatrix(),this._projMat}set rect(e){this._rect.copy(e),this._projMatDirty=!0}get rect(){return this._rect}set renderTarget(e){this._renderTarget=e,this._projMatDirty=!0}get renderTarget(){return this._renderTarget}set scissorRect(e){this._scissorRect.copy(e)}get scissorRect(){return this._scissorRect}get viewMatrix(){if(this._viewMatDirty){const e=this._node.getWorldTransform();this._viewMat.copy(e).invert(),this._viewMatDirty=!1}return this._viewMat}set aperture(e){this._aperture=e}get aperture(){return this._aperture}set sensitivity(e){this._sensitivity=e}get sensitivity(){return this._sensitivity}set shutter(e){this._shutter=e}get shutter(){return this._shutter}set xr(e){this._xr!==e&&(this._xr=e,this._projMatDirty=!0)}get xr(){return this._xr}calculateAspectRatio(e){const t=e??this._renderTarget,s=t?t.width:this.device.width,i=t?t.height:this.device.height;return s*this._rect.z/(i*this._rect.w)}clone(){return new cs(this.device).copy(this)}copy(e){return this._aspectRatio=e._aspectRatio,this._farClip=e._farClip,this._fov=e._fov,this._horizontalFov=e._horizontalFov,this._nearClip=e._nearClip,this._xrProperties.aspectRatio=e._xrProperties.aspectRatio,this._xrProperties.farClip=e._xrProperties.farClip,this._xrProperties.fov=e._xrProperties.fov,this._xrProperties.horizontalFov=e._xrProperties.horizontalFov,this._xrProperties.nearClip=e._xrProperties.nearClip,this.aspectRatioMode=e.aspectRatioMode,this.calculateProjection=e.calculateProjection,this.calculateTransform=e.calculateTransform,this.clearColor=e.clearColor,this.clearColorBuffer=e.clearColorBuffer,this.clearDepth=e.clearDepth,this.clearDepthBuffer=e.clearDepthBuffer,this.clearStencil=e.clearStencil,this.clearStencilBuffer=e.clearStencilBuffer,this.cullFaces=e.cullFaces,this.flipFaces=e.flipFaces,this.frustumCulling=e.frustumCulling,this.layers=e.layers,this.orthoHeight=e.orthoHeight,this.projection=e.projection,this.rect=e.rect,this.renderTarget=e.renderTarget,this.scissorRect=e.scissorRect,this.aperture=e.aperture,this.shutter=e.shutter,this.sensitivity=e.sensitivity,this.shaderPassInfo=e.shaderPassInfo,this.jitter=e.jitter,this._projMatDirty=!0,this}_enableRenderPassColorGrab(e,t){t?this.renderPassColorGrab||(this.renderPassColorGrab=new f1(e)):(this.renderPassColorGrab?.destroy(),this.renderPassColorGrab=null)}

425_enableRenderPassDepthGrab(e,t,s){s?this.renderPassDepthGrab||(this.renderPassDepthGrab=new p1(e,this)):(this.renderPassDepthGrab?.destroy(),this.renderPassDepthGrab=null)}_updateViewProjMat(){(this._projMatDirty||this._viewMatDirty||this._viewProjMatDirty)&&(this._viewProjMat.mul2(this.projectionMatrix,this.viewMatrix),this._viewProjMatDirty=!1)}worldToScreen(e,t,s,i=new E){this._updateViewProjMat(),this._viewProjMat.transformPoint(e,i);const r=this._viewProjMat.data,a=e.x*r[3]+e.y*r[7]+e.z*r[11]+1*r[15];i.x=(i.x/a+1)*.5,i.y=(1-i.y/a)*.5;const{x:n,y:o,z:c,w:h}=this._rect;return i.x=i.x*c*t+n*t,i.y=i.y*h*s+(1-o-h)*s,i}screenToWorld(e,t,s,i,r,a=new E){const{x:n,y:o,z:c,w:h}=this._rect,d=this.farClip-this.nearClip;if(Ln.set((e-n*i)/(c*i),1-(t-(1-o-h)*r)/(h*r),s/d),Ln.mulScalar(2),Ln.sub(E.ONE),this._projection===mi){Z._getPerspectiveHalfSize(dl,this.fov,this.aspectRatio,this.nearClip,this.horizontalFov),dl.x*=Ln.x,dl.y*=Ln.y;const u=this._node.getWorldTransform();dl.z=-this.nearClip,u.transformPoint(dl,DS);const f=this._node.getPosition();a.sub2(DS,f),a.normalize(),a.mulScalar(s),a.add(f)}else this._updateViewProjMat(),MS.copy(this._viewProjMat).invert(),MS.transformPoint(Ln,a);return a}_evaluateProjectionMatrix(){const e=this.aspectRatio;if(this._projMatDirty){if(this._projection===mi)this._projMat.setPerspective(this.fov,e,this.nearClip,this.farClip,this.horizontalFov),this._projMatSkybox.copy(this._projMat);else{const t=this._orthoHeight,s=t*e;this._projMat.setOrtho(-s,s,-t,t,this.nearClip,this.farClip),this._projMatSkybox.setPerspective(this.fov,e,this.nearClip,this.farClip)}this._projMatDirty=!1}}getProjectionMatrixSkybox(){return this._evaluateProjectionMatrix(),this._projMatSkybox}getExposure(){const e=Math.log2(this._aperture*this._aperture/this._shutter*100/this._sensitivity);return 1/(Math.pow(2,e)*1.2)}getScreenSize(e){if(this._projection===mi){const t=this._node.getPosition().distance(e.center);if(t<e.radius)return 1;const s=Math.asin(e.radius/t),i=Math.tan(s),r=Math.tan(this.fov/2*H.DEG_TO_RAD);return Math.min(i/r,1)}return H.clamp(e.radius/this._orthoHeight,0,1)}getFrustumCorners(e=this.nearClip,t=this.farClip){const s=this.fov*H.DEG_TO_RAD;let i,r;this.projection===mi?this.horizontalFov?(i=e*Math.tan(s/2),r=i/this.aspectRatio):(r=e*Math.tan(s/2),i=r*this.aspectRatio):(r=this._orthoHeight,i=r*this.aspectRatio);const a=m1;return a[0].x=i,a[0].y=-r,a[0].z=-e,a[1].x=i,a[1].y=r,a[1].z=-e,a[2].x=-i,a[2].y=r,a[2].z=-e,a[3].x=-i,a[3].y=-r,a[3].z=-e,this._projection===mi&&(this.horizontalFov?(i=t*Math.tan(s/2),r=i/this.aspectRatio):(r=t*Math.tan(s/2),i=r*this.aspectRatio)),a[4].x=i,a[4].y=-r,a[4].z=-t,a[5].x=i,a[5].y=r,a[5].z=-t,a[6].x=-i,a[6].y=r,a[6].z=-t,a[7].x=-i,a[7].y=-r,a[7].z=-t,a}setXrProperties(e){Object.assign(this._xrProperties,e),this._projMatDirty=!0}fillShaderParams(e){const t=this._farClip;return e[0]=1/t,e[1]=t,e[2]=this._nearClip,e[3]=this._projection===Sn?1:0,e}}const RS=new Z,LS=new Z,FS=new Z;class pr{static pointLightRotations=[new ae().setFromEulerAngles(0,90,180),new ae().setFromEulerAngles(0,-90,180),new ae().setFromEulerAngles(90,0,0),new ae().setFromEulerAngles(-90,0,0),new ae().setFromEulerAngles(0,180,180),new ae().setFromEulerAngles(0,0,180)];static create(e,t,s,i){const r=new cs(e);switch(r.node=new He(t),r.aspectRatio=1,r.aspectRatioMode=Zm,r._scissorRectClear=!0,s){case ot:r.node.setRotation(pr.pointLightRotations[i]),r.fov=90,r.projection=mi;break;case nt:r.projection=mi;break;case Te:r.projection=Sn;break}return r}static _spotCookieCamera=null;static evalSpotCookieMatrix(e){let t=pr._spotCookieCamera;t||(t=pr.create(e.device,"SpotCookieCamera",nt),pr._spotCookieCamera=t),t.fov=e._outerConeAngle*2;const s=t._node;s.setPosition(e._node.getPosition()),s.setRotation(e._node.getRotation()),s.rotateLocal(-90,0,0),RS.setTRS(s.getPosition(),s.getRotation(),E.ONE).invert(),LS.mul2(t.projectionMatrix,RS);const i=e.cookieMatrix,r=e.atlasViewport;return FS.setViewport(r.x,r.y,r.z,r.w),i.mul2(FS,LS),i}}const zs=new E,Ea=new Float32Array(6),_1=new E(-.5,0,0),g1=new E(0,0,.5),gt={POSITION_RANGE:0,DIRECTION_FLAGS:1,COLOR_ANGLES_BIAS:2,PROJ_MAT_0:3,ATLAS_VIEWPORT:3,PROJ_MAT_1:4,PROJ_MAT_2:5,PROJ_MAT_3:6,AREA_DATA_WIDTH:7,AREA_DATA_HEIGHT:8,COUNT:9},v1={LIGHTSHAPE_PUNCTUAL:`${Sr}u`,LIGHTSHAPE_RECT:`${pT}u`,LIGHTSHAPE_DISK:`${mT}u`,LIGHTSHAPE_SPHERE:`${_T}u`,LIGHT_COLOR_DIVIDER:`${Cd}.0`},OS=(l,e)=>Object.keys(l).map(t=>`#define {${e}${t}} ${l[t]}`).join(`
426`),BS=`
427
428		${OS(gt,"CLUSTER_TEXTURE_")}
429		${OS(v1,"")}
430`;class S1{areaLightsEnabled=!1;constructor(e){this.device=e,be.get(e,ze).set("lightBufferDefinesPS",BS),be.get(e,de).set("lightBufferDefinesPS",BS),this.cookiesEnabled=!1,this.shadowsEnabled=!1,this.areaLightsEnabled=!1,this.maxLights=255;const t=gt.COUNT;this.lightsFloat=new Float32Array(4*t*this.maxLights),this.lightsUint=new Uint32Array(this.lightsFloat.buffer),this.lightsTexture=this.createTexture(this.device,t,this.maxLights,mt,"LightsTexture"),this._lightsTextureId=this.device.scope.resolve("lightsTexture"),this.invMaxColorValue=0,this.invMaxAttenuation=0,this.boundsMin=new E,this.boundsDelta=new E}destroy(){this.lightsTexture?.destroy(),this.lightsTexture=null}createTexture(e,t,s,i,r){return new ce(e,{name:r,width:t,height:s,mipmaps:!1,format:i,addressU:ue,addressV:ue,type:Qs,magFilter:Fe,minFilter:Fe,anisotropy:1})}setBounds(e,t){this.boundsMin.copy(e),this.boundsDelta.copy(t)}uploadTextures(){this.lightsTexture.lock().set(this.lightsFloat),this.lightsTexture.unlock()}updateUniforms(){this._lightsTextureId.setValue(this.lightsTexture)}getSpotDirection(e,t){t._node.getWorldTransform().getY(e).mulScalar(-1),e.normalize()}getLightAreaSizes(e){const t=e._node.getWorldTransform();return t.transformVector(_1,zs),Ea[0]=zs.x,Ea[1]=zs.y,Ea[2]=zs.z,t.transformVector(g1,zs),Ea[3]=zs.x,Ea[4]=zs.y,Ea[5]=zs.z,Ea}addLightData(e,t){const s=e._type===nt,i=e.atlasViewportAllocated,r=this.cookiesEnabled&&!!e._cookie&&i,a=this.areaLightsEnabled&&e.shape!==Sr,n=this.shadowsEnabled&&e.castShadows&&i,o=e._node.getPosition();let c=null,h=null;s?n?c=e.getRenderData(null,0).shadowMatrix:r&&(c=pr.evalSpotCookieMatrix(e)):(n||r)&&(h=e.atlasViewport);const d=this.lightsFloat,u=this.lightsUint,f=t*this.lightsTexture.width*4;d[f+4*gt.POSITION_RANGE+0]=o.x,d[f+4*gt.POSITION_RANGE+1]=o.y,d[f+4*gt.POSITION_RANGE+2]=o.z,d[f+4*gt.POSITION_RANGE+3]=e.attenuationEnd;const p=e.clusteredData;if(u[f+4*gt.COLOR_ANGLES_BIAS+0]=p[0],u[f+4*gt.COLOR_ANGLES_BIAS+1]=p[1],u[f+4*gt.COLOR_ANGLES_BIAS+2]=p[2],e.castShadows){const m=e.getRenderData(null,0),_=e._getUniformBiasValues(m),g=Ja.float2Half(_.bias),v=Ja.float2Half(_.normalBias);u[f+4*gt.COLOR_ANGLES_BIAS+3]=g|v<<16}if(s&&(this.getSpotDirection(zs,e),d[f+4*gt.DIRECTION_FLAGS+0]=zs.x,d[f+4*gt.DIRECTION_FLAGS+1]=zs.y,d[f+4*gt.DIRECTION_FLAGS+2]=zs.z),u[f+4*gt.DIRECTION_FLAGS+3]=e.getClusteredFlags(n,r),c){const m=c.data;for(let _=0;_<16;_++)d[f+4*gt.PROJ_MAT_0+_]=m[_]}if(h&&(d[f+4*gt.ATLAS_VIEWPORT+0]=h.x,d[f+4*gt.ATLAS_VIEWPORT+1]=h.y,d[f+4*gt.ATLAS_VIEWPORT+2]=h.z/3),a){const m=this.getLightAreaSizes(e);d[f+4*gt.AREA_DATA_WIDTH+0]=m[0],d[f+4*gt.AREA_DATA_WIDTH+1]=m[1],d[f+4*gt.AREA_DATA_WIDTH+2]=m[2],d[f+4*gt.AREA_DATA_HEIGHT+0]=m[3],d[f+4*gt.AREA_DATA_HEIGHT+1]=m[4],d[f+4*gt.AREA_DATA_HEIGHT+2]=m[5]}}}const y1=new j,Ah=new E,Ph=new E,Ih=new E,yp=new Le;class NS{constructor(){this.light=null,this.min=new E,this.max=new E}}class t_{clusterTexture;constructor(e){this.device=e,this.name="Untitled",this.reportCount=0,this.boundsMin=new E,this.boundsMax=new E,this.boundsDelta=new E,this._cells=new E(1,1,1),this._cellsLimit=new E,this.cells=this._cells,this.maxCellLightCount=4,this._usedLights=[],this._usedLights.push(new NS),this.lightsBuffer=new S1(e),this.registerUniforms(e)}set maxCellLightCount(e){e!==this._maxCellLightCount&&(this._maxCellLightCount=e,this._cellsDirt

430y=!0)}get maxCellLightCount(){return this._maxCellLightCount}set cells(e){Ah.copy(e).floor(),this._cells.equals(Ah)||(this._cells.copy(Ah),this._cellsLimit.copy(Ah).sub(E.ONE),this._cellsDirty=!0)}get cells(){return this._cells}destroy(){this.lightsBuffer.destroy(),this.releaseClusterTexture()}releaseClusterTexture(){this.clusterTexture&&(this.clusterTexture.destroy(),this.clusterTexture=null)}registerUniforms(e){this._numClusteredLightsId=e.scope.resolve("numClusteredLights"),this._clusterMaxCellsId=e.scope.resolve("clusterMaxCells"),this._clusterWorldTextureId=e.scope.resolve("clusterWorldTexture"),this._clusterBoundsMinId=e.scope.resolve("clusterBoundsMin"),this._clusterBoundsMinData=new Float32Array(3),this._clusterBoundsDeltaId=e.scope.resolve("clusterBoundsDelta"),this._clusterBoundsDeltaData=new Float32Array(3),this._clusterCellsCountByBoundsSizeId=e.scope.resolve("clusterCellsCountByBoundsSize"),this._clusterCellsCountByBoundsSizeData=new Float32Array(3),this._clusterCellsDotId=e.scope.resolve("clusterCellsDot"),this._clusterCellsDotData=new Int32Array(3),this._clusterCellsMaxId=e.scope.resolve("clusterCellsMax"),this._clusterCellsMaxData=new Int32Array(3),this._clusterTextureWidthId=e.scope.resolve("clusterTextureWidth")}updateParams(e){e&&(this.cells=e.cells,this.maxCellLightCount=e.maxLightsPerCell,this.lightsBuffer.cookiesEnabled=e.cookiesEnabled,this.lightsBuffer.shadowsEnabled=e.shadowsEnabled,this.lightsBuffer.areaLightsEnabled=e.areaLightsEnabled)}updateCells(){if(this._cellsDirty){this._cellsDirty=!1;const e=this._cells.x,t=this._cells.y,s=this._cells.z,i=e*t*s,r=this.maxCellLightCount*i,{x:a,y:n}=Xt.calcTextureSize(r,y1,this.maxCellLightCount);this._clusterCellsMaxData[0]=e,this._clusterCellsMaxData[1]=t,this._clusterCellsMaxData[2]=s,this._clusterCellsDotData[0]=this.maxCellLightCount,this._clusterCellsDotData[1]=e*s*this.maxCellLightCount,this._clusterCellsDotData[2]=e*this.maxCellLightCount,this.clusters=new Uint8ClampedArray(r),this.counts=new Int32Array(i),this.releaseClusterTexture(),this.clusterTexture=this.lightsBuffer.createTexture(this.device,a,n,Uu,"ClusterTexture")}}

430uploadTextures(){this.clusterTexture.lock().set(this.clusters),this.clusterTexture.unlock(),this.lightsBuffer.uploadTextures()}updateUniforms(){this._numClusteredLightsId.setValue(this._usedLights.length),this.lightsBuffer.updateUniforms(),this._clusterWorldTextureId.setValue(this.clusterTexture),this._clusterMaxCellsId.setValue(this.maxCellLightCount);const e=this.boundsDelta;this._clusterCellsCountByBoundsSizeData[0]=this._cells.x/e.x,this._clusterCellsCountByBoundsSizeData[1]=this._cells.y/e.y,this._clusterCellsCountByBoundsSizeData[2]=this._cells.z/e.z,this._clusterCellsCountByBoundsSizeId.setValue(this._clusterCellsCountByBoundsSizeData),this._clusterBoundsMinData[0]=this.boundsMin.x,this._clusterBoundsMinData[1]=this.boundsMin.y,this._clusterBoundsMinData[2]=this.boundsMin.z,this._clusterBoundsDeltaData[0]=e.x,this._clusterBoundsDeltaData[1]=e.y,this._clusterBoundsDeltaData[2]=e.z,this._clusterBoundsMinId.setValue(this._clusterBoundsMinData),this._clusterBoundsDeltaId.setValue(this._clusterBoundsDeltaData),this._clusterCellsDotId.setValue(this._clusterCellsDotData),this._clusterCellsMaxId.setValue(this._clusterCellsMaxData),this._clusterTextureWidthId.setValue(this.clusterTexture.width)}evalLightCellMinMax(e,t,s){t.copy(e.min),t.sub(this.boundsMin),t.div(this.boundsDelta),t.mul2(t,this.cells),t.floor(),s.copy(e.max),s.sub(this.boundsMin),s.div(this.boundsDelta),s.mul2(s,this.cells),s.ceil(),t.max(E.ZERO),s.min(this._cellsLimit)}collectLights(e){const t=this.lightsBuffer.maxLights,s=this._usedLights;let i=1;e.forEach(r=>{const a=!!(r.mask&(Js|ur)),n=r.type===nt&&r._outerConeAngle===0;if(r.enabled&&r.type!==Te&&r.visibleThisFrame&&r.intensity>0&&a&&!n&&i<t){let o;i<s.length?o=s[i]:(o=new NS,s.push(o)),o.light=r,r.getBoundingBox(yp),o.min.copy(yp.getMin()),o.max.copy(yp.getMax()),i++}}),s.length=i}evaluateBounds(){const e=this._usedLights,t=this.boundsMin,s=this.boundsMax;if(e.length>1){t.copy(e[1].min),s.copy(e[1].max);for(let i=2;i<e.length;i++)t.min(e[i].min),s.max(e[i].max)}else t.set(0,0,0),s.set(1,1,1);this.boundsDelta.sub2(s,t),this.lightsBuffer.setBounds(t,this.boundsDelta)}updateClusters(e){this.counts.fill(0),this.clusters.fill(0),this.lightsBuffer.areaLightsEnabled=e?e.areaLightsEnabled:!1;const t=this._cells.x,s=this._cells.z,i=this.counts,r=this._maxCellLightCount,a=this.cluster

430s,n=this.maxCellLightCount,o=this._usedLights;for(let c=1;c<o.length;c++){const h=o[c],d=h.light;this.lightsBuffer.addLightData(d,c),this.evalLightCellMinMax(h,Ph,Ih);const u=Ph.x,f=Ih.x,p=Ph.y,m=Ih.y,_=Ph.z,g=Ih.z;for(let v=u;v<=f;v++)for(let x=_;x<=g;x++)for(let y=p;y<=m;y++){const S=v+t*(x+y*s),T=i[S];T<r&&(a[n*S+T]=c,i[S]=T+1)}}}update(e,t=null){this.updateParams(t),this.updateCells(),this.collectLights(e),this.evaluateBounds(),this.updateClusters(t),this.uploadTextures()}activate(){this.updateUniforms()}}const x1="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";let or=null;const XT=()=>{if(!or){const l=atob(x1);or=Uint8Array.from(l,e=>e.charCodeAt(0))}},T1=()=>(XT(),or);class w1{seed=0;constructor(e=0){this.seed=e*4,XT()}_next(){this.seed=(this.seed+4)%or.length}value(){return this._next(),or[this.seed]/255}vec4(e=new ie){return this._next(),e.set(or[this.seed],or[this.seed+1],or[this.seed+2],or[this.seed+3]).mulScalar(1/255)}}const C1=[new E(-1,0,0),new E(1,0,0),new E(0,-1,0),new E(0,1,0),new E(0,0,-1),new E(0,0,1)];class E1{colors=new Float32Array(18);update(e,t){const s=this.colors,{r:i,g:r,b:a}=e;for(let n=0;n<6;n++)s[n*3]=i,s[n*3+1]=r,s[n*3+2]=a;for(let n=0;n<t.length;n++){const o=t[n];if(o._type===Te)for(let c=0;c<6;c++){const h=Math.max(C1[c].dot(o._direction),0)*o._intensity,d=o._color;s[c*3]+=d.r*h,s[c*3+1]+=d.g*h,s[c*3+2]+=d.b*h}}}}const b1=(l,e,t,s)=>{const i=new ce(l,{name:`${e}${t}`,width:t,height:t,format:Re,addressU:Ft,addressV:Ft,type:Qs,magFilter:Fe,minFilter:Fe,anisotropy:1,mipmaps:!1});return i.lock().set(s),i.unlock(),i},A1=new Jt,P1=l=>A1.get(l,()=>{const e=T1(),t=Math.sqrt(e.length/4);return b1(l,"BlueNoise",t,e)});class hn{constructor(e,t){this.texture=e,this.cached=!1,this.renderTargets=t}destroy(){this.texture&&(this.texture.destroy(),this.texture=null);const e=this.renderTargets;for(let t=0;t<e.length;t++)e[t].destroy();this.renderTargets.length=0}static create(e,t){let s=null;return t._type===ot?s=this.createCubemap(e,t._shadowResolution,t._shadowType):s=this.create2dMap(e,t._shadowResolution,t._shadowType),s}static createAtlas(e,t,s){const i=this.create2dMap(e,t,s),r=i.renderTargets,a=r[0];for(let n=0;n<5;n++)r.push(a);return i}static create2dMap(e,t,s){const i=yr.get(s);let r=i.format;r===Ti&&!e.textureFloatRenderable&&e.textureHalfFloatRenderable&&(r=kc);const a=fs.get(r)?.name;let n=It;s===Dg&&(n=e.extTextureFloatLinear?It:Fe),s===uc&&(n=Fe);const o=new ce(e,{format:r,width:t,height:t,mipmaps:!1,minFilter:n,magFilter:n,addressU:ue,addressV:ue,name:`ShadowMap2D_${a}`});let c=null;return i?.pcf?(o.compareOnRead=!0,o.compareFunc=Hd,c=new St({depthBuffer:o})):c=new St({colorBuffer:o,depth:!0}),e.isWebGPU&&(c.flipY=!0),new hn(o,[c])}static createCubemap(e,t,s){const i=yr.get(s),r=fs.get(i.format)?.name,a=s===uc,n=a?Fe:It,o=new ce(e,{format:i?.format,width:t,height:t,cubemap:!0,mipmaps:!1,minFilter:n,magFilter:n,addressU:ue,addressV:ue,name:`ShadowMapCube_${r}`});a||(o.compareOnRead=!0,o.compareFunc=Hd);const c=[];for(let h=0;h<6;h++)a?c.push(new St({colorBuffer:o,face:h,depth:!0})):c.push(new St({depthBuffer:o,face:h}));return new hn(o,c)}}

430const I1=[],D1=[],ji=new ie,xp=new ie;class Tp{constructor(e){this.size=Math.floor(e.w*1024),this.used=!1,this.lightId=-1,this.rect=e}}class M1{constructor(e){this.device=e,this.version=1,this.shadowAtlasResolution=2048,this.shadowAtlas=null,this.shadowEdgePixels=3,this.cookieAtlasResolution=4,this.cookieAtlas=ce.createDataTexture2D(this.device,"CookieAtlas",this.cookieAtlasResolution,this.cookieAtlasResolution,us),this.cookieRenderTarget=new St({colorBuffer:this.cookieAtlas,depth:!1,flipY:!0}),this.slots=[],this.atlasSplit=[],this.cubeSlotsOffsets=[new j(0,0),new j(0,1),new j(1,0),new j(1,1),new j(2,0),new j(2,1)],this.scissorVec=new ie,this.allocateShadowAtlas(1),this.allocateCookieAtlas(1),this.allocateUniforms()}destroy(){this.destroyShadowAtlas(),this.destroyCookieAtlas()}destroyShadowAtlas(){this.shadowAtlas?.destroy(),this.shadowAtlas=null}destroyCookieAtlas(){this.cookieAtlas?.destroy(),this.cookieAtlas=null,this.cookieRenderTarget?.destroy(),this.cookieRenderTarget=null}allocateShadowAtlas(e,t=Li){const s=this.shadowAtlas?.texture.format,i=yr.get(t).format;if(!this.shadowAtlas||this.shadowAtlas.texture.width!==e||s!==i){this.version++,this.destroyShadowAtlas(),this.shadowAtlas=hn.createAtlas(this.device,e,t),this.shadowAtlas.cached=!0;const r=4/this.shadowAtlasResolution;this.scissorVec.set(r,r,-2*r,-2*r)}}allocateCookieAtlas(e){this.cookieAtlas.width!==e&&(this.cookieRenderTarget.resize(e,e),this.version++)}allocateUniforms(){this._shadowAtlasTextureId=this.device.scope.resolve("shadowAtlasTexture"),this._shadowAtlasParamsId=this.device.scope.resolve("shadowAtlasParams"),this._shadowAtlasParams=new Float32Array(2),this._cookieAtlasTextureId=this.device.scope.resolve("cookieAtlasTexture")}updateUniforms(){const t=this.shadowAtlas.renderTargets[0].depthBuffer;this._shadowAtlasTextureId.setValue(t),this._shadowAtlasParams[0]=this.shadowAtlasResolution,this._shadowAtlasParams[1]=this.shadowEdgePixels,this._shadowAtlasParamsId.setValue(this._shadowAtlasParams),this._cookieAtlasTextureId.setValue(this.cookieAtlas)}subdivide(e,t){let s=t.atlasSplit;if(!s){const r=Math.ceil(Math.sqrt(e));s=D1,s[0]=r,s.length=1}if(!((r,a)=>r.length===a.length&&r.every((n,o)=>n===a[o]))(s,this.atlasSplit)){this.version++,this.slots.length=0,this.atlasSplit.length=0,this.atlasSplit.push(...s);const r=this.atlasSplit[0];if(r>1){const a=1/r;for(let n=0;n<r;n++)for(let o=0;o<r;o++){const c=new ie(n*a,o*a,a,a),h=this.atlasSplit[1+n*r+o];if(h>1)for(let d=0;d<h;d++)for(let u=0;u<h;u++){const f=a/h,p=new ie(c.x+d*f,c.y+u*f,f,f);this.slots.push(new Tp(p))}else this.slots.push(new Tp(c))}}else this.slots.push(new Tp(new ie(0,0,1,1)));this.slots.sort((a,n)=>n.size-a.size)}}collectLights(e,t){const s=t.cookiesEnabled,i=t.shadowsEnabled;let r=!1,a=!1;const n=I1;return n.length=0,(s||i)&&(c=>{for(let h=0;h<c.length;h++){const d=c[h];if(d.visibleThisFrame){const u=i&&d.castShadows,f=s&&!!d.cookie;r||(r=u),a||(a=f),(u||f)&&n.push(d)}}})(e),n.sort((c,h)=>h.maxScreenSize-c.maxScreenSize),r&&this.allocateShadowAtlas(this.shadowAtlasResolution,t.shadowType),a&&this.allocateCookieAtlas(this.cookieAtlasResolution),(r||a)&&this.subdivide(n.length,t),n}setupSlot(e,t){e.atlasViewport.copy(t);const s=e.numShadowFaces;for(let i=0;i<s;i++)if(e.castShadows||e._cookie){if(ji.copy(t),xp.copy(t),e._type===nt&&ji.add(this.scissorVec),e._type===ot){const r=ji.z/3,a=this.cubeSlotsOffsets[i];ji.x+=r*a.x,ji.y+=r*a.y,ji.z=r,ji.w=r,xp.copy(ji)}if(e.castShadows){const r=e.getRenderData(null,i);r.shadowViewport.copy(ji),r.shadowScissor.copy(xp)}}}assignSlot(e,t,s){e.atlasViewportAllocated=!0;const i=this.slots[t];i.lightId=e.id,i.used=!0,s&&(e.atlasSlotUpdated=!0,e.atlasVersion=this.version,e.atlasSlotIndex=t)}update(e,t){this.shadowAtlasResolution=t.shadowAtlasResolution,this.cookieAtlasResolution=t.cookieAtlasResolution;const s=this.collectLights(e,t);if(s.length>0){const i=this.slots;for(let n=0;n<i.length;n++)i[n].used=!1;const r=Math.min(s.length,i.length);for(let n=0;n<r;n++){const o=s[n];o.castShadows&&(o._shadowMap=this.shadowAtlas);const c=i[o.atlasSlotIndex];if(o.atlasVersion===this.version&&o.id===c?.lightId){const h=i[o.atlasSlotIndex];h.size===i[n].size&&!h.used&&this.assignSlot(o,o.atlasSlotIndex,!1)}}let a=0;for(let n=0;n<r;n++){for(;a<i.length&&i[a].used;)a++;const o=s[n];o.atlasViewportAllocated||this.assignSlot(o,a,!0);const c=i[o.atlasSlotIndex];this.setupSlot(o,c.rect)}}this.updateUniforms()}}const ws=[];ws[yg]={src:as,dst:as,op:CE};ws[Ns]={src:as,dst:Y_,op:vi};ws[Wi]={src:j_,dst:q_,op:vi,alphaSrc:as};ws[Ui]={src:as,dst:q_,op:vi};ws[nn]={src:as,dst:as,op:vi};ws[Tg]={src:j_,dst:as,op:vi};ws[wg]={src:Fx,dst:TE,op:vi};ws[Cg]={src:wE,dst:as,op:vi};ws[xg]={src:Fx,dst:Y_,op:vi};ws[Eg]={src:as,dst:as,op:EE};ws[bg]={src:as,dst:as,op:bE};let R1=0;class yn{meshInstances=new Set;name="Untitled";userId="";id=R1++;variants=new Map;defines=new Map;_definesDirty=!1;parameters={};alphaTest=0;alphaToCoverage=!1;_blendState=new xt;_depthState=new ds;cull=tc;frontFace=sc;stencilFront=null;stencilBack=null;_shaderChunks=null;_oldChunks={};_dirtyShader=!0;constructor(){}get hasShaderChunks(){return this._shaderChunks!=null}get shaderChunks(){return this._shaderChunks||(this._shaderChunks=new be),this._shaderChunks}getShaderChunks(e=ze){const t=this.shaderChunks;return e===ze?t.glsl:t.wgsl}set shaderChunksVersion(e){this.shaderChunks.version=e}get shaderChunksVersion(){return this.shaderChunks.version}set chunks(e){this._oldChunks=e}get chunks(){return Object.assign(this._oldChunks,Object.fromEntries(this.shaderChunks.glsl)),this._oldChunks}set depthBias(e){this._depthState.depthBias=e}get depthBias(){return this._depthState.depthBias}set slopeDepthBias(e){this._depthState.depthBiasSlope=e}get slopeDepthBias(){return this._depthState.depthBiasSlope}_shaderVersion=0;_scene=null;dirty=!0;set redWrite(e){this._blendState.redWrite=e}get redWrite(){return this._blendState.redWrite}set greenWrite(e){this._blendState.greenWrite=e}get greenWrite(){return this._blendState.greenWrite}set blueWrite(e){this._blendState.blueWrite=e}get blueWrite(){return this._blendState.blueWrite}set alphaWrite(e){this._blendState.alphaWrite=e}get alphaWrite(){return this._blendState.alphaWrite}

430get transparent(){return this._blendState.blend}_updateTransparency(){for(const e of this.meshInstances)e.transparent=this.transparent}set blendState(e){this._blendState.copy(e),this._updateTransparency()}get blendState(){return this._blendState}set blendType(e){const t=ws[e];this._blendState.setColorBlend(t.op,t.src,t.dst),this._blendState.setAlphaBlend(t.alphaOp??t.op,t.alphaSrc??t.src,t.alphaDst??t.dst);const s=e!==Ns;this._blendState.blend!==s&&(this._blendState.blend=s,this._updateTransparency()),this._updateMeshInstanceKeys()}get blendType(){if(!this.transparent)return Ns;const{colorOp:e,colorSrcFactor:t,colorDstFactor:s,alphaOp:i,alphaSrcFactor:r,alphaDstFactor:a}=this._blendState;for(let n=0;n<ws.length;n++){const o=ws[n];if(o.src===t&&o.dst===s&&o.op===e&&o.src===r&&o.dst===a&&o.op===i)return n}return Wi}set depthState(e){this._depthState.copy(e)}get depthState(){return this._depthState}set depthTest(e){this._depthState.test=e}get depthTest(){return this._depthState.test}set depthFunc(e){this._depthState.func=e}get depthFunc(){return this._depthState.func}set depthWrite(e){this._depthState.write=e}get depthWrite(){return this._depthState.write}copy(e){this.name=e.name,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this._blendState.copy(e._blendState),this._depthState.copy(e._depthState),this.cull=e.cull,this.frontFace=e.frontFace,this.stencilFront=e.stencilFront?.clone(),e.stencilBack&&(this.stencilBack=e.stencilFront===e.stencilBack?this.stencilFront:e.stencilBack.clone()),this.clearParameters();for(const t in e.parameters)e.parameters.hasOwnProperty(t)&&this._setParameterSimple(t,e.parameters[t].data);return this.defines.clear(),e.defines.forEach((t,s)=>this.defines.set(s,t)),this._shaderChunks=e.hasShaderChunks?new be:null,this._shaderChunks?.copy(e._shaderChunks),this}clone(){return new this.constructor().copy(this)}_updateMeshInstanceKeys(){for(const e of this.meshInstances)e.updateKey()}updateUniforms(e,t){this._dirtyShader&&(this.clearVariants(),this._dirtyShader=!1)}getShaderVariant(e){}update(){if(Object.keys(this._oldChunks).length>0)for(const[e,t]of Object.entries(this._oldChunks))this.shaderChunks.glsl.set(e,t),delete this._oldChunks[e];(this._definesDirty||this._shaderChunks?.isDirty())&&(this._definesDirty=!1,this._shaderChunks?.resetDirty(),this.clearVariants()),this.dirty=!0}clearParameters(){this.parameters={}}getParameters(){return this.parameters}clearVariants(){this.variants.clear();for(const e of this.meshInstances)e.clearShaders()}getParameter(e){return this.parameters[e]}_setParameterSimple(e,t){const s=this.parameters[e];s?s.data=t:this.parameters[e]={scopeId:null,data:t}}setParameter(e,t){if(t===void 0&&typeof e=="object"){const s=e;if(s.length){for(let i=0;i<s.length;i++)this.setParameter(s[i]);return}e=s.name,t=s.value}this._setParameterSimple(e,t)}deleteParameter(e){this.parameters[e]&&delete this.parameters[e]}setParameters(e,t){const s=this.parameters;t===void 0&&(t=s);for(const i in t){const r=s[i];r&&(r.scopeId||(r.scopeId=e.scope.resolve(i)),r.scopeId.setValue(r.data))}}setDefine(e,t){let s=!1;const{defines:i}=this;t!==void 0&&t!==!1?(s=!i.has(e)||i.get(e)!==t,i.set(e,t)):(s=i.has(e),i.delete(e)),this._definesDirty||(this._definesDirty=s)}getDefine(e){return this.defines.has(e)}destroy(){this.variants.clear();for(const e of this.meshInstances)if(e.clearShaders(),e._material=null,e.mesh){const t=Zo(e.mesh.device);this!==t&&(e.material=t)}this.meshInstances.clear()}addMeshInstanceRef(e){this.meshInstances.add(e)}removeMeshInstanceRef(e){this.meshInstances.delete(e)}}class L1{constructor(){this.cache=new Map}destroy(){this.clear(),this.cache=null}clear(){this.cache.forEach(e=>{e.forEach(t=>{t.destroy()})}),this.cache.clear()}getKey(e){const t=e._type===ot,s=e._shadowType,i=e._shadowResolution;return`${t}-${s}-${i}`}get(e,t){const s=this.getKey(t),i=this.cache.get(s);if(i&&i.length)return i.pop();const r=hn.create(e,t);return r.cached=!0,r}add(e,t){const s=this.getKey(e),i=this.cache.get(s);i?i.push(t):this.cache.set(s,[t])}}class YT extends Pr{constructor(e,t,s,i,r){super(e),this.requiresCubemaps=!1,this.shadowRenderer=t,this.light=s,this.face=i,this.applyVsm=r,this.shadowCamera=t.prepareFace(s,null,i),t.setupRenderPass(this,this.shadowCamera,!0)}execute(){this.shadowRenderer.renderFace(this.light,null,this.face,!1)}after(){this.applyVsm&&this.shadowRenderer.renderVsm(this.light,this.shadowCamera)}}class F1{shadowLights=[];renderer;shadowRenderer;device;constructor(e,t){this.renderer=e,this.shadowRenderer=t,this.device=e.device}cull(e,t,s=null){const i=this.renderer.scene.clusteredLightingEnabled;e.visibleThisFrame=!0,i||e._shadowMap||(e._shadowMap=hn.create(this.device,e));const r=e._type,a=r===nt?1:6;for(let n=0;n<a;n++){const o=e.getRenderData(null,n),c=o.shadowCamera;c.nearClip=e.attenuationEnd/1e3,c.farClip=e.attenuationEnd;const h=c._node,d=e._node;if(h.setPosition(d.getPosition()),r===nt)c.fov=e._outerConeAngle*2,h.setRotation(d.getRotation()),h.rotateLocal(-90,0,0);else if(r===ot)if(i){const p=2/(this.shadowRenderer.lightTextureAtlas.shadowAtlasResolution*e.atlasViewport.z/3)*this.shadowRenderer.lightTextureAtlas.shadowEdgePixels;c.fov=Math.atan(1+p)*H.RAD_TO_DEG*2}else c.fov=90;this.renderer.updateCameraFrustum(c),this.shadowRenderer.cullShadowCasters(t,e,o.visibleCasters,c,s)}}prepareLights(e,t){let s;for(let i=0;i<t.length;i++){const r=t[i];if(this.shadowRenderer.needsShadowRendering(r)&&r.atlasViewportAllocated){e.push(r);for(let a=0;a<r.numShadowFaces;a++)s=this.shadowRenderer.prepareFace(r,null,a)}}return s}buildNonClusteredRenderPasses(e,t){for(let s=0;s<t.length;s++){const i=t[s];if(this.shadowRenderer.needsShadowRendering(i)){const r=i._type===nt,a=i.numShadowFaces;for(let n=0;n<a;n++){const o=new YT(this.device,this.shadowRenderer,i,n,r);e.addRenderPass(o)}}}}}class O1 extends Pr{constructor(e,t,s,i,r){super(e),this.shadowRenderer=t,this.light=s,this.camera=i,this.allCascadesRendering=r}execute(){const{light:e,camera:t,shadowRenderer:s,allCascadesRendering:i}=this,r=e.numShadowFaces,a=e.shadowUpdateOverrides;for(let n=0;n<r;n++)a?.[n]!==Ks&&s.renderFace(e,t,n,!i),a?.[n]===ea&&(a[n]=Ks)}after(){this.shadowRenderer.renderVsm(this.light,this.camera)}}const Dh=new Le,qi=new E,kS=new Z,st=[new E,new E,new E,new E,new E,new E,new E,new E],wp={min:0,max:0};function B1(l,e,t){st[0].x=st[1].x=st[2].x=st[3].x=e.x,st[1].y=st[3].y=st[7].y=st[5].y=e.y,st[2].z=st[3].z=st[6].z=st[7].z=e.z,st[4].x=st[5].x=st[6].x=st[7].x=t.x,st[0].y=st[2].y=st[4].y=st[6].y=t.y,st[0].z=st[1].z=st[4].z=st[5].z=t.z;let s=9999999999,i=-9999999999;for(let r=0;r<8;++r){l.transformPoint(st[r],st[r]);const a=st[r].z;a<s&&(s=a),a>i&&(i=a)}return wp.min=s,wp.max=i,wp}class N1{renderer;shadowRenderer;device;constructor(e,t){this.renderer=e,this.shadowRenderer=t,this.device=e.device}cull(e,t,s,i=null){e.visibleThisFrame=!0,e._shadowMap||(e._shadowMap=hn.create(this.device,e));const r=s._nearClip;this.generateSplitDistances(e,r,Math.min(s._farClip,e.shadowDistance));const a=e.shadowUpdateOverrides;for(let n=0;n<e.numCascades&&a?.[n]!==Ks;n++){const o=e.getRenderData(s,n),c=o.shadowCamera;c.renderTarget=e._shadowMap.renderTargets[0],o.shadowViewport.copy(e.cascades[n]),o.shadowScissor.copy(e.cascades[n]);const h=c._node,d=e._node;h.setPosition(d.getPosition()),h.setRotation(d.getRotation()),h.rotateLocal(-90,0,0);const u=n===0?r:e._shadowCascadeDistances[n-1],f=e._shadowCascadeDistances[n],p=s.getFrustumCorners(u,f);qi.set(0,0,0);const m=s.node.getWorldTransform();for(let k=0;k<8;k++)m.transformPoint(p[k],p[k]),qi.add(p[k]);qi.mulScalar(1/8);let _=0;for(let k=0;k<8;k++){const A=p[k].sub(qi).length();A>_&&(_=A)}const g=h.right,v=h.up,x=h.forward,y=.25*e._shadowResolution/_,S=Math.ceil(qi.dot(v)*y)/y,T=Math.ceil(qi.dot(g)*y)/y,w=v.mulScalar(S),C=g.mulScalar(T),b=qi.dot(x),I=x.mulScalar(b);qi.add2(w,C).add(I),h.setPosition(qi),h.translateLocal(0,0,1e6),c.nearClip=.01,c.farClip=2e6,c.orthoHeight=_,this.renderer.updateCameraFrustum(c),this.shadowRenderer.cullShadowCasters(t,e,o.visibleCasters,c,i);const P=1<<n,L=o.visibleCasters,O=L.length;let D=0;for(let k=0;k<O;k++){const A=L[k];A.shadowCascadeMask&P&&(L[D++]=A,D===1?Dh.copy(A.aabb):Dh.add(A.aabb))}O!==D&&(L.length=D),kS.copy(h.getWorldTransform()).invert();const N=B1(kS,Dh.getMin(),Dh.getMax());h.translateLocal(0,0,N.max+.1),c.farClip=N.max-N.min+.2,o.projectionCompensation=_}}generateSplitDistances(e,t,s){e._shadowCascadeDistances.fill(s);for(let i=1;i<e.numCascades;i++){const r=i/e.numCascades,a=t+(s-t)*r,n=t*(s/t)**r,o=H.lerp(a,n,e.cascadeDistribution);e._shadowCascadeDistances[i-1]=o}}getLightRenderPass(e,t){let s=null;if(this.shadowRenderer.needsShadowRendering(e)){const i=e.numShadowFaces,r=e.shadowUpdateOverrides;let a=!0,n;for(let o=0;o<i;o++)r?.[o]===Ks&&(a=!1),n=this.shadowRenderer.prepareFace(e,t,o);s=new O1(this.device,this.shadowRenderer,e,t,a),this.shadowRenderer.setupRenderPass(s,n,a)}return s}}const Cp=new Set,US=new Z,zS=new Z,ba=new Float32Array(2),ul=new ie(1,1,0,0),VS=new Z;function k1(l,e){return Math.exp(-(l*l)/(2*e*e))}function U1(l){const e=(l-1)/6,t=(l-1)*.5,s=new Array(l);let i=0;for(let r=0;r<l;++r)s[r]=k1(r-t,e),i+=s[r];for(let r=0;r<l;++r)s[r]/=i;return s}class jT{shadowPassCache=[];constructor(e,t){this.device=e.device,this.renderer=e,this.lightTextureAtlas=t;const s=this.device.scope;this.sourceId=s.resolve("source"),this.pixelOffsetId=s.resolve("pixelOffset"),this.weightId=s.resolve("weight[0]"),this.blurVsmShader=[{},{}],this.blurVsmWeights={},this.shadowMapLightRadiusId=s.resolve("light_radius"),this.viewUniformFormat=null,this.viewBindGroupFormat=null,this.blendStateWrite=new xt,this.blendStateNoWrite=new xt,this.blendStateNoWrite.setColorWrite(!1,!1,!1,!1)}static createShadowCamera(e,t,s,i){const r=pr.create(e,kg,s,i),a=yr.get(t),n=a?.vsm??!1,o=a?.pcf??!1;return n?r.clearColor=new Q(0,0,0,0):r.clearColor=new Q(1,1,1,1),r.clearDepthBuffer=!0,r.clearStencilBuffer=!1,r.clearColorBuffer=!o,r}_cullShadowCastersInternal(e,t,s){const i=e.length;for(let r=0;r<i;r++){const a=e[r];a.castShadow&&(!a.cull||a._isVisible(s))&&(a.visibleThisFrame=!0,t.push(a))}}cullShadowCasters(e,t,s,i,r){if(this.renderer.scene?.fire(BT,i),s.length=0,r)this._cullShadowCastersInternal(r,s,i);else{const a=e.layerList,n=a.length;for(let o=0;o<n;o++){const c=a[o];c._lightsSet.has(t)&&(Cp.has(c)||(Cp.add(c),this._cullShadowCastersInternal(c.shadowCasters,s,i)))}Cp.clear()}s.sort(this.sortCompareShader),this.renderer.scene?.fire(NT,i)}sortCompareShader(e,t){const s=e._sortKeyShadow,i=t._sortKeyShadow;return s===i?t.mesh.id-e.mesh.id:i-s}setupRenderState(e,t){const i=this.renderer.scene.clusteredLightingEnabled?t._isPcf:t._isPcf&&t._type!==ot;e.setBlendState(i?this.blendStateNoWrite:this.blendStateWrite),e.setDepthState(t.shadowDepthState),e.setStencilState(null,null)}

430dispatchUniforms(e,t,s,i){const r=t._node;e._type!==Te&&(this.renderer.dispatchViewPos(r.getPosition()),this.shadowMapLightRadiusId.setValue(e.attenuationEnd)),US.setTRS(r.getPosition(),r.getRotation(),E.ONE).invert(),zS.mul2(t.projectionMatrix,US);const a=s.shadowViewport;t.rect=a,t.scissorRect=s.shadowScissor,VS.setViewport(a.x,a.y,a.z,a.w),s.shadowMatrix.mul2(VS,zS),e._type===Te&&e._shadowMatrixPalette.set(s.shadowMatrix.data,i*16)}getShadowPass(e){const t=e._type,s=e._shadowType;let i=this.shadowPassCache[t]?.[s];if(!i){const r=`ShadowPass_${t}_${s}`;i=zi.get(this.device).allocate(r,{isShadow:!0,lightType:t,shadowType:s}),this.shadowPassCache[t]||(this.shadowPassCache[t]=[]),this.shadowPassCache[t][s]=i}return i.index}submitCasters(e,t,s){const i=this.device,r=this.renderer,a=r.scene,n=1<<FT,o=this.getShadowPass(t),c=s.shaderParams,h=s.renderTarget.flipY?-1:1,d=e.length;for(let u=0;u<d;u++){const f=e[u],p=f.mesh,m=f.instancingData;if(m&&m.count<=0)continue;f.ensureMaterial(i);const _=f.material;r.setBaseConstants(i,_),r.setSkinning(i,f),_.dirty&&(_.updateUniforms(i,a),_.dirty=!1),r.setupCullModeAndFrontFace(!0,h,f),_.setParameters(i),f.setParameters(i,n);const g=f.getShaderInstance(o,0,a,c,this.viewUniformFormat,this.viewBindGroupFormat),v=g.shader;if(v.failed)continue;f._sortKeyShadow=v.id,i.setShader(v),r.setVertexBuffers(i,p),r.setMorphing(i,f.morphInstance),m&&i.setVertexBuffer(m.vertexBuffer),r.setMeshInstanceMatrices(f),r.setupMeshUniformBuffers(g);const x=f.renderStyle,y=f.getDrawCommands(s);i.draw(p.primitive[x],p.indexBuffer[x],m?.count,y),r._shadowDrawCalls++,m&&r._instancedDrawCalls++}

430}needsShadowRendering(e){const t=e.enabled&&e.castShadows&&e.shadowUpdateMode!==Ks&&e.visibleThisFrame;return e.shadowUpdateMode===ea&&(e.shadowUpdateMode=Ks),t&&(this.renderer._shadowMapUpdates+=e.numShadowFaces),t}getLightRenderData(e,t,s){return e.getRenderData(e._type===Te?t:null,s)}setupRenderPass(e,t,s){const i=t.renderTarget;e.init(i),e.depthStencilOps.clearDepthValue=1,e.depthStencilOps.clearDepth=s,i.depthBuffer?e.depthStencilOps.storeDepth=!0:(e.colorOps.clearValue.copy(t.clearColor),e.colorOps.clear=s,e.depthStencilOps.storeDepth=!1),e.requiresCubemaps=!1}prepareFace(e,t,s){const i=e._type,a=this.getLightRenderData(e,t,s).shadowCamera,n=i===Te?0:s;return a.renderTarget=e._shadowMap.renderTargets[n],a}renderFace(e,t,s,i){const r=this.device,a=this.getLightRenderData(e,t,s),n=a.shadowCamera;this.dispatchUniforms(e,n,a,s);const o=n.renderTarget,c=this.renderer;c.setCameraUniforms(n,o),r.supportsUniformBuffers&&c.setupViewUniformBuffers(a.viewBindGroups,this.viewUniformFormat,this.viewBindGroupFormat,null),c.setupViewport(n,o),i&&c.clear(n),this.setupRenderState(r,e),this.submitCasters(a.visibleCasters,e,n)}renderVsm(e,t){e._isVsm&&e._vsmBlurSize>1&&(!this.renderer.scene.clusteredLightingEnabled||e._type===Te)&&this.applyVsmBlur(e,t)}getVsmBlurShader(e,t){const s=this.blurVsmShader;let i=s[e][t];if(!i){this.blurVsmWeights[t]=U1(t);const r=new Map;r.set("{SAMPLES}",t),e===1&&r.set("GAUSS",""),i=Qt.createShader(this.device,{uniqueName:`blurVsm${e}${t}`,attributes:{vertex_position:Ie},vertexChunk:"fullscreenQuadVS",fragmentChunk:"blurVSMPS",fragmentDefines:r}),s[e][t]=i}return i}applyVsmBlur(e,t){const s=this.device;s.setBlendState(xt.NOBLEND);const a=e.getRenderData(e._type===Te?t:null,0).shadowCamera.renderTarget,n=this.renderer.shadowMapCache.get(s,e),o=n.renderTargets[0],c=e.vsmBlurMode,h=e._vsmBlurSize,d=this.getVsmBlurShader(c,h);ul.z=e._shadowResolution-2,ul.w=ul.z,this.sourceId.setValue(a.colorBuffer),ba[0]=1/e._shadowResolution,ba[1]=0,this.pixelOffsetId.setValue(ba),c===TT&&this.weightId.setValue(this.blurVsmWeights[h]),cn(s,o,d,null,ul),this.sourceId.setValue(o.colorBuffer),ba[1]=ba[0],ba[0]=0,this.pixelOffsetId.setValue(ba),cn(s,a,d,null,ul),this.renderer.shadowMapCache.add(e,n)}initViewBindGroupFormat(){this.device.supportsUniformBuffers&&!this.viewUniformFormat&&(this.viewUniformFormat=new vt(this.device,[new X("matrix_viewProjection",Ss)]),this.viewBindGroupFormat=new Ze(this.device,[new At(yf,rn|an)]))}frameUpdate(){this.initViewBindGroupFormat()}}class s_ extends gn{children=[];constructor(e){super(e),this.name="FramePassMultiView"}addChild(e){this.children.push(e)}render(){if(!this.enabled)return;const e=this.device,t=e.xrSubImages,s=t?.length??0,i=this.children,r=i.length;if(s===0){for(let h=0;h<r;h++)i[h].render();return}const a=e.backBuffer?.impl,n=e.xrColorTexture,o=a?.assignedColorTexture??null,c=a?.colorAttachments?.[0]?.format??null;for(let h=0;h<s;h++){const d=t[h];e.xrCurrentViewIndex=h,e.xrColorTexture=d.colorTexture,e.xrColorTextureViewDescriptor=d.viewDescriptor,a?.assignColorTexture?.(d.colorTexture,d.viewFormat);for(let u=0;u<r;u++)i[u].render()}e.xrCurrentViewIndex=-1,e.xrColorTextureViewDescriptor=null,e.xrColorTexture=n??null,a&&o&&c&&a.assignedColorTexture!==o&&a.assignColorTexture(o,c)}}const Mh=[];class z1{_empty=null;_allocated=[];_clusters=new Map;constructor(e){this.device=e}destroy(){this._empty&&(this._empty.destroy(),this._empty=null),this._allocated.forEach(e=>{e.destroy()}),this._allocated.length=0}get count(){return this._allocated.length}get empty(){if(!this._empty){const e=new t_(this.device);e.name="ClusterEmpty",e.update([]),this._empty=e}return this._empty}_assignClustersForPass(e){const t=e.renderActions;if(!t)return;const s=t.length;for(let i=0;i<s;i++){const r=t[i];r.lightClusters=null;const a=r.layer;if(a.hasClusteredLights&&a.meshInstances.length){const n=a.getLightIdHash();let c=this._clusters.get(n)?.lightClusters;c||(c=Mh.pop()??new t_(this.device),this._allocated.push(c),this._clusters.set(n,r)),r.lightClusters=c}r.lightClusters||(r.lightClusters=this.empty)}}assign(e){Mh.push(...this._allocated),this._allocated.length=0,this._cluster

430s.clear();const t=e.length;for(let s=0;s<t;s++){const i=e[s];if(i instanceof s_){const r=i.children;for(let a=0;a<r.length;a++)this._assignClustersForPass(r[a])}else this._assignClustersForPass(i)}Mh.forEach(s=>s.destroy()),Mh.length=0}update(e,t){this.assign(e),this._clusters.forEach(s=>{const i=s.layer;s.lightClusters.update(i.clusteredLightsSet,t)})}}const Ur=new ie,Ep=[];class Ug extends Pr{_quadRenderer2D=null;_quadRendererCube=null;_filteredLights=[];_forceCopy=!1;_evtDeviceRestored=null;constructor(e,t){super(e),this._cubeSlotsOffsets=t,this.requiresCubemaps=!1,this.blitTextureId=e.scope.resolve("blitTexture"),this.invViewProjId=e.scope.resolve("invViewProj"),this._evtDeviceRestored=e.on("devicerestored",this.onDeviceRestored,this)}destroy(){this._quadRenderer2D?.destroy(),this._quadRenderer2D=null,this._quadRendererCube?.destroy(),this._quadRendererCube=null,this._evtDeviceRestored?.off(),this._evtDeviceRestored=null}static create(e,t){const s=new Ug(e.device,t);return s.init(e),s.colorOps.clear=!1,s.depthStencilOps.clearDepth=!1,s}onDeviceRestored(){this._forceCopy=!0}update(e){const t=this._filteredLights;this.filter(e,t),this.executeEnabled=t.length>0}filter(e,t){for(let s=0;s<e.length;s++){const i=e[s];i._type!==Te&&i.atlasViewportAllocated&&(!i.atlasSlotUpdated&&!this._forceCopy||i.enabled&&i.cookie&&i.visibleThisFrame&&t.push(i))}this._forceCopy=!1}initInvViewProjMatrices(){if(!Ep.length)for(let e=0;e<6;e++){const t=pr.create(this.device,null,ot,e),s=t.projectionMatrix,i=t.node.getLocalTransform().clone().invert();Ep[e]=new Z().mul2(s,i).invert()}}get quadRenderer2D(){if(!this._quadRenderer2D){const e=Qt.createShader(this.device,{uniqueName:"cookieRenderer2d",attributes:{vertex_position:Ie},vertexChunk:"cookieBlitVS",fragmentChunk:"cookieBlit2DPS"});this._quadRenderer2D=new Uo(e)}return this._quadRenderer2D}get quadRendererCube(){if(!this._quadRendererCube){const e=Qt.createShader(this.device,{uniqueName:"cookieRendererCube",attributes:{vertex_position:Ie},vertexChunk:"cookieBlitVS",fragmentChunk:"cookieBlitCubePS"});this._quadRendererCube=new Uo(e)}return this._quadRendererCube}execute(){this.device.setDrawStates();const t=this.renderTarget.colorBuffer.width,s=this._cubeSlotsOffsets,i=this._filteredLights;for(let r=0;r<i.length;r++){const a=i[r],n=a.numShadowFaces,o=n>1?this.quadRendererCube:this.quadRenderer2D;n>1&&this.initInvViewProjMatrices(),this.blitTextureId.setValue(a.cookie);for(let c=0;c<n;c++){if(Ur.copy(a.atlasViewport),n>1){const h=Ur.z/3,d=s[c];Ur.x+=h*d.x,Ur.y+=h*d.y,Ur.z=h,Ur.w=h,this.invViewProjId.setValue(Ep[c].data)}Ur.mulScalar(t),o.render(Ur)}}i.length=0}}class qT extends Pr{constructor(e,t,s){super(e),this.requiresCubemaps=!1,this.shadowRenderer=t,this.shadowRendererLocal=s}update(e){const t=this.shadowRendererLocal.shadowLights,s=this.shadowRendererLocal.prepareLights(t,e),i=t.length;this.enabled=i>0,i&&this.shadowRenderer.setupRenderPass(this,s,!1)}execute(){const e=this.shadowRendererLocal.shadowLights,t=e.length;for(let s=0;s<t;s++){const i=e[s];for(let r=0;r<i.numShadowFaces;r++)this.shadowRenderer.renderFace(i,null,r,!0)}e.length=0}}class V1 extends gn{constructor(e,t,s,i,r){super(e),this.renderer=t,this.frameGraph=null,this.cookiesRenderPass=Ug.create(r.cookieRenderTarget,r.cubeSlotsOffsets),this.beforePasses.push(this.cookiesRenderPass),this.shadowRenderPass=new qT(e,s,i),this.beforePasses.push(this.shadowRenderPass)}update(e,t,s,i,r){this.frameGraph=e,this.cookiesRenderPass.enabled=s,s&&this.cookiesRenderPass.update(i),this.shadowRenderPass.enabled=t,t&&this.shadowRenderPass.update(r)}destroy(){this.cookiesRenderPass.destroy(),this.cookiesRenderPass=null}execute(){const{renderer:e}=this,{scene:t}=e;e.worldClustersAllocator.update(this.frameGraph.renderPasses,t.lighting)}}let bp=0;const Ii=new Z,zr=new Z,Fn=new Z,GS=new xi,Ap=new W_,HS=new X_,Pp=new Set,Ip=new Set,Dp=new Sg,Nl=[0,0,0,1],Rh={color:Nl,depth:1,stencil:0,flags:0},WS=[new j(.5,.333333),new j(.25,.666667),new j(.75,.111111),new j(.125,.444444),new j(.625,.777778),new j(.375,.222222),new j(.875,.555556),new j(.0625,.888889),new j(.5625,.037037),new j(.3125,.37037),new j(.8125,.703704),new j(.187

4305,.148148),new j(.6875,.481481),new j(.4375,.814815),new j(.9375,.259259),new j(.03125,.592593)],G1=new Z,H1=new Z,W1=new Z,X1=new Z,On=new Set,Mp=[],Rp=[];class Y1{clustersDebugRendered=!1;scene;processingMeshInstances=new Set;worldClustersAllocator;lights=[];localLights=[];cameraDirShadowLights=new Map;dirLightShadows=new Map;blueNoise=new w1(123);gsplatDirector=null;constructor(e,t){this.device=e,this.scene=t,this.worldClustersAllocator=new z1(e),this.lightTextureAtlas=new M1(e),this.shadowMapCache=new L1,this.shadowRenderer=new jT(this,this.lightTextureAtlas),this._shadowRendererLocal=new F1(this,this.shadowRenderer),this._shadowRendererDirectional=new N1(this,this.shadowRenderer),this.scene.clusteredLightingEnabled&&(this._renderPassUpdateClustered=new V1(this.device,this,this.shadowRenderer,this._shadowRendererLocal,this.lightTextureAtlas)),this.viewUniformFormat=null,this.viewBindGroupFormat=null,this._skinTime=0,this._morphTime=0,this._cullTime=0,this._shadowMapTime=0,this._lightClustersTime=0,this._layerCompositionUpdateTime=0,this._shadowDrawCalls=0,this._skinDrawCalls=0,this._instancedDrawCalls=0,this._shadowMapUpdates=0,this._numDrawCallsCulled=0,this._camerasRendered=0,this._lightClusters=0,this._gsplatCount=0;const s=e.scope;this.boneTextureId=s.resolve("texture_poseMap"),this.modelMatrixId=s.resolve("matrix_model"),this.normalMatrixId=s.resolve("matrix_normal"),this.viewInvId=s.resolve("matrix_viewInverse"),this.viewPos=new Float32Array(3),this.viewPosId=s.resolve("view_position"),this.projId=s.resolve("matrix_projection"),this.projSkyboxId=s.resolve("matrix_projectionSkybox"),this.viewId=s.resolve("matrix_view"),this.viewId3=s.resolve("matrix_view3"),this.viewProjId=s.resolve("matrix_viewProjection"),this.flipYId=s.resolve("projectionFlipY"),this.tbnBasis=s.resolve("tbnBasis"),this.cameraParams=new Float32Array(4),this.cameraParamsId=s.resolve("camera_params"),this.viewportSize=new Float32Array(4),this.viewportSizeId=s.resolve("viewport_size"),this.viewIndexId=s.resolve("view_index"),this.viewIndexId.setValue(0),this.blueNoiseJitterVersion=0,this.blueNoiseJitterVec=new ie,this.blueNoiseJitterData=new Float32Array(4),this.blueNoiseJitterId=s.resolve("blueNoiseJitter"),this.blueNoiseTextureId=s.resolve("blueNoiseTex32"),this.alphaTestId=s.resolve("alpha_ref"),this.opacityMapId=s.resolve("texture_opacityMap"),this.exposureId=s.resolve("exposure"),this.morphPositionTex=s.resolve("morphPositionTex"),this.morphNormalTex=s.resolve("morphNormalTex"),this.morphTexParams=s.resolve("morph_tex_params"),this.lightCube=new E1,this.constantLightCube=s.resolve("lightCube[0]")}destroy(){this.shadowRenderer=null,this._shadowRendererLocal=null,this._shadowRendererDirectional=null,this.shadowMapCache.destroy(),this.shadowMapCache=null,this._renderPassUpdateClustered?.destroy(),this._renderPassUpdateClustered=null,this.lightTextureAtlas.destroy(),this.lightTextureAtlas=null,this.gsplatDirector?.destroy(),this.gsplatDirector=null}setupViewport(e,t){const s=this.device,i=t?t.width:s.width,r=t?t.height:s.height,a=e.rect;let n=Math.floor(a.x*i),o=Math.floor(a.y*r),c=Math.floor(a.z*i),h=Math.floor(a.w*r);if(s.setViewport(n,o,c,h),e._scissorRectClear){const d=e.scissorRect;n=Math.floor(d.x*i),o=Math.floor(d.y*r),c=Math.floor(d.z*i),h=Math.floor(d.w*r)}s.setScissor(n,o,c,h)}setCameraUniforms(e,t){const s=t?.flipY;let i=null;if(e.xr&&e.xr.session){const o=e._node?.parent?.getWorldTransform()||null;i=e.xr.views.list;for(let h=0;h<i.length;h++)i[h].updateTransforms(o)}else{let o=e.projectionMatrix;e.calculateProjection&&e.calculateProjection(o,Ch);let c=e.getProjectionMatrixSkybox();const h=this.device.isWebGPU;o=cs.applyShaderProjectionTransform(o,G1,s,h),c=cs.applyShaderProjectionTransform(c,H1,s,h);const{jitter:d}=e;let u=0,f=0;if(d>0){const m=t?t.width:this.device.width,_=t?t.height:this.device.height,g=WS[this.device.renderVersion%WS.length];u=d*(g.x*2-1)/m,f=d*(g.y*2-1)/_,o=W1.copy(o),o.data[8]=u,o.data[9]=f,c=X1.copy(c),c.data[8]=u,c.data[9]=f,this.blueNoiseJitterVersion!==this.device.renderVersion&&(this.blueNoiseJitterVersion=this.device.renderVersion,this.blueNoise.vec4(this.blueNoiseJitterVec))}const p=d>0?this.blueNoiseJitterVec:ie.ZERO;if(this.blueNoiseJitterData[0]=p.x,this.blueNoiseJitterData[1]=p.y,this.blueNoiseJitterData[2]=p.z,this.blueNoiseJitterData[3]=p.w,this.blueNoiseJitterId.setValue(this.blueNoiseJitterData),this.projId.setValue(o.data),this.projSkyboxId.setValue(c.data),e.calculateTransform)e.calculateTransform(zr,Ch);else{const m=e._node.getPosition(),_=e._node.getRotation();zr.setTRS(m,_,E.ONE)}this.viewInvId.setValue(zr.data),Fn.copy(zr).invert(),this.viewId.setValue(Fn.data),GS.setFromMat4(Fn),this.viewId3.setValue(GS.data),Ii.mul2(o,Fn),this.viewProjId.setValue(Ii.data),e._storeShaderMatrices(Ii,u,f,this.device.renderVersion),this.flipYId.setValue(s?-1:1),this.dispatchViewPos(e._node.getPosition()),e.frustum.setFromMat4(Ii)}this.tbnBasis.setValue(s?-1:1),this.cameraParamsId.setValue(e.fillShaderParams(this.cameraParams));const r=e.xr?.session?e.xr.views.list[0]:null;let a=r?r.viewport.z:t?t.width:this.device.width,n=r?r.viewport.w:t?t.height:this.device.height;return a*=e.rect.z,n*=e.rect.w,this.viewportSize[0]=a,this.viewportSize[1]=n,this.viewportSize[2]=1/a,this.viewportSize[3]=1/n,this.viewportSizeId.setValue(this.viewportSize),this.exposureId.setValue(this.scene.physicalUnits?e.getExposure():this.scene.exposure),i}clear(e,t,s,i){const r=(t??e._clearColorBuffer?Jl:0)|(s??e._clearDepthBuffer?ec:0)|(i??e._clearStencilBuffer?Gd:0);if(r){const a=this.device,n=e._clearColor;Nl[0]=n.r,Nl[1]=n.g,Nl[2]=n.b,Nl[3]=n.a,Rh.depth=e._clearDepth,Rh.stencil=e._clearStencil,Rh.flags=r,a.clear(Rh)}}setupCullModeAndFrontFace(e,t,s){const i=s.material,r=t*s.flipFacesFactor*s.node.worldScaleSign;let a=i.frontFace;r<0&&(a=a===sc?LE:sc),this.device.setCullMode(e?i.cull:Yt),this.device.setFrontFace(a

430)}setupCullMode(e,t,s){this.setupCullModeAndFrontFace(e,t,s)}updateCameraFrustum(e){if(e.xr&&e.xr.views.list.length){const s=e.xr.views.list;Ii.mul2(s[0].projMat,s[0].viewOffMat),e.frustum.setFromMat4(Ii);for(let i=1;i<s.length;i++)Ii.mul2(s[i].projMat,s[i].viewOffMat),HS.setFromMat4(Ii),e.frustum.add(HS);return}const t=e.projectionMatrix;if(e.calculateProjection&&e.calculateProjection(t,Ch),e.calculateTransform)e.calculateTransform(zr,Ch);else{const s=e._node.getPosition(),i=e._node.getRotation();zr.setTRS(s,i,E.ONE),this.viewInvId.setValue(zr.data)}Fn.copy(zr).invert(),Ii.mul2(t,Fn),e.frustum.setFromMat4(Ii)}setBaseConstants(e,t){e.setCullMode(t.cull),e.setFrontFace(t.frontFace),t.opacityMap&&this.opacityMapId.setValue(t.opacityMap),(t.opacityMap||t.alphaTest>0)&&this.alphaTestId.setValue(t.alphaTest)}updateCpuSkinMatrices(e){bp++;const t=e.length;if(t!==0)for(let s=0;s<t;s++){const i=e[s].skinInstance;i&&(i.updateMatrices(e[s].node,bp),i._dirty=!0)}}updateGpuSkinMatrices(e){for(const t of e){const s=t.skinInstance;s&&s._dirty&&(s.updateMatrixPalette(t.node,bp),s._dirty=!1)}}updateMorphing(e){for(const t of e){const s=t.morphInstance;s&&s._dirty&&s.update()}}updateGSplats(e){for(const t of e)t.gsplatInstance?.update()}gpuUpdate(e){this.updateGpuSkinMatrices(e),this.updateMorphing(e),this.updateGSplats(e)}setVertexBuffers(e,t){e.setVertexBuffer(t.vertexBuffer)}setMorphing(e,t){t&&(t.prepareRendering(e),e.setVertexBuffer(t.morph.vertexBufferIds),this.morphPositionTex.setValue(t.texturePositions),this.morphNormalTex.setValue(t.textureNormals),this.morphTexParams.setValue(t._textureParams))}setSkinning(e,t){const s=t.skinInstance;if(s){this._skinDrawCalls++;const i=s.boneTexture;this.boneTextureId.setValue(i)}}dispatchViewPos(e){const t=this.viewPos;t[0]=e.x,t[1]=e.y,t[2]=e.z,this.viewPosId.setValue(t)}initViewBindGroupFormat(e){if(this.device.supportsUniformBuffers&&!this.viewUniformFormat){const t=[new X("matrix_view",Ss),new X("matrix_viewInverse",Ss),new X("matrix_projection",Ss),new X("matrix_projectionSkybox",Ss),new X("matrix_viewProjection",Ss),new X("matrix_view3",Do),new X("cubeMapRotationMatrix",Do),new X("view_position",hs),new X("viewport_size",Cr),new X("skyboxIntensity",me),new X("exposure",me),new X("textureBias",me),new X("view_index",me)];e&&t.push(new X("clusterCellsCountByBoundsSize",hs),new X("clusterBoundsMin",hs),new X("clusterBoundsDelta",hs),new X("clusterCellsDot",gr),new X("clusterCellsMax",gr),new X("shadowAtlasParams",sn),new X("clusterMaxCells",_r),new X("numClusteredLights",_r),new X("clusterTextureWidth",_r)),this.viewUniformFormat=new vt(this.device,t);const s=[new At(yf,rn|an)];this.viewBindGroupFormat=new Ze(this.device,s)}}setupViewUniforms(e,t){this.projId.setValue(e.projMat.data),this.projSkyboxId.setValue(e.projMat.data),this.viewId.setValue(e.viewOffMat.data),this.viewInvId.setValue(e.viewInvOffMat.data),this.viewId3.setValue(e.viewMat3.data),this.viewProjId.setValue(e.projViewOffMat.data),this.viewPosId.setValue(e.positionData),this.viewIndexId.setValue(t)}setupViewUniformBuffers(e,t,s,i){const{device:r}=this,a=i?.length??1;for(;e.length<a;){const n=new jc(r,t,!1),o=new jo(r,s,n);e.push(o)}if(i)for(let n=0;n<a;n++){const o=i[n];this.setupViewUniforms(o,n);const c=e[n];c.defaultUniformBuffer.update(),c.update()}else{const n=e[0];n.defaultUniformBuffer.update(),n.update()}i||r.setBindGroup(hc,e[0])}setupMeshUniformBuffers(e){const t=this.device;if(t.supportsUniformBuffers){const s=e.getBindGroup(t);s.update(),t.setBindGroup(Yc,s),e.getUniformBuffer(t).update(Dp),t.setBindGroup(Bo,Dp.bindGroup,Dp.offsets)}}setMeshInstanceMatrices(e,t=!1){const s=e.node.worldTransform;this.modelMatrixId.setValue(s.data),t&&this.normalMatrixId.setValue(e.node.normalMatrix.data)}cull(e,t,s){const i=s.opaque;i.length=0;const r=s.transparent;r.length=0;const a=e.frustumCulling,n=t.length;for(let o=0;o<n;o++){const c=t[o];c.visible&&(!a||!c.cull||c._isVisible(e))&&(c.visibleThisFrame=!0,(c.transparent?r

430:i).push(c),(c.skinInstance||c.morphInstance||c.gsplatInstance)&&(this.processingMeshInstances.add(c),c.gsplatInstance&&c.gsplatInstance.cameras.push(e)))}}collectLights(e){this.lights.length=0,this.localLights.length=0;const t=this.scene._stats,s=e.layerList.length;for(let i=0;i<s;i++){const r=e.layerList[i];if(!Ip.has(r)){Ip.add(r);const a=r._lights;for(let n=0;n<a.length;n++){const o=a[n];Pp.has(o)||(Pp.add(o),this.lights.push(o),o._type!==Te&&this.localLights.push(o))}}}t.lights=this.lights.length,Pp.clear(),Ip.clear()}cullLights(e,t){const s=this.scene.clusteredLightingEnabled,i=this.scene.physicalUnits;for(let r=0;r<t.length;r++){const a=t[r];if(a.enabled)if(a._type!==Te)if(a.getBoundingSphere(Ap),e.frustum.containsSphere(Ap)){a.visibleThisFrame=!0,a.usePhysicalUnits=i;const n=e.getScreenSize(Ap);a.maxScreenSize=Math.max(a.maxScreenSize,n)}else s||a.castShadows&&!a.shadowMap&&(a.visibleThisFrame=!0);else a.usePhysicalUnits=this.scene.physicalUnits}}cullShadowmaps(e){const t=this.scene.clusteredLightingEnabled;for(let i=0;i<this.localLights.length;i++){const r=this.localLights[i];r._type!==Te&&(t?r.atlasSlotUpdated&&r.shadowUpdateMode===Ks&&(r.shadowUpdateMode=ea):r.shadowUpdateMode===Ks&&r.castShadows&&(r.getRenderData(null,0).shadowCamera.renderTarget||(r.shadowUpdateMode=ea)),r.visibleThisFrame&&r.castShadows&&r.shadowUpdateMode!==Ks&&this._shadowRendererLocal.cull(r,e))}this.cameraDirShadowLights.clear();const s=e.cameras;for(let i=0;i<s.length;i++){const r=s[i];if(r.enabled){const a=r.camera;let n;const o=a.layers;for(let c=0;c<o.length;c++){const h=e.getLayerById(o[c]);if(h){const d=h.splitLights[Te];for(let u=0;u<d.length;u++){const f=d[u];f.castShadows&&!On.has(f)&&(On.add(f),n=n??[],n.push(f),this._shadowRendererDirectional.cull(f,e,a))}}}n&&this.cameraDirShadowLights.set(a,n),On.clear()}}}cullComposition(e){const{scene:t}=this;this.processingMeshInstances.clear();const s=e.cameras.length;this._camerasRendered+=s;for(let i=0;i<s;i++){const r=e.cameras[i],a=r.renderTarget;r.frameUpdate(a),this.updateCameraFrustum(r.camera),t?.fire(BT,r);const n=r.layers;for(let o=0;o<n.length;o++){const c=e.getLayerById(n[o]);if(c&&c.enabled){this.cullLights(r.camera,c._lights);const h=c.getCulledInstances(r.camera);this.cull(r.camera,c.meshInstances,h)}}t?.fire(NT,r)}t.clusteredLightingEnabled&&this.updateLightTextureAtlas(),this.cullShadowmaps(e),t?.fire(HI)}updateShaders(e,t){const s=e.length;for(let i=0;i<s;i++){const r=e[i].material;if(r&&!On.has(r)&&(On.add(r),r.getShaderVariant!==yn.prototype.getShaderVariant)){if(t&&(!r.useLighting||r.emitter&&!r.emitter.lighting))continue;r.clearVariants()}}On.clear()}updateFrameUniforms(){this.blueNoiseTextureId.setValue(P1(this.device))}beginFrame(e){const t=this.scene,s=t.updateShaders||this.device._shadersDirty,i=e.layerList,r=i.length;for(let o=0;o<r;o++){const h=i[o].meshInstances,d=h.length;for(let u=0;u<d;u++){const f=h[u];f.visibleThisFrame=!1,s&&Mp.push(f),f.skinInstance&&Rp.push(f)}}if(s){const o=!t.updateShaders||!this.device._shadersDirty;this.updateShaders(Mp,o),t.updateShaders=!1,this.device._shadersDirty=!1,t._shaderVersion++}this.updateFrameUniforms(),this.updateCpuSkinMatrices(Rp),Mp.length=0,Rp.length=0;const a=this.lights,n=a.length;for(let o=0;o<n;o++)a[o].beginFrame()}updateLightTextureAtlas(){this.lightTextureAtlas.update(this.localLights,this.scene.lighting)}updateLayerComposition(e){const t=e.layerList.length,i=this.scene._shaderVersion;for(let r=0;r<t;r++){const a=e.layerList[r];a._shaderVersion=i}e._update()}frameUpdate(){this.clustersDebugRendered=!1,this.initViewBindGroupFormat(this.scene.clusteredLightingEnabled),this.dirLightShadows.clear()}}class $T{camera=null;constructor(){this.layer=null,this.transparent=!1,this.renderTarget=null,this.lightClusters=null,this.clearColor=!1,this.clearDepth=!1,this.clearStencil=!1,this.triggerPostprocess=!1,this.firstCameraUse=!1,this.lastCameraUse=!1,this.viewBindGroups=[],this.useCameraPasses=!1}destroy(){this.viewBindGroups.forEach(e=>{e.defaultUniformBuffer.destroy(),e.destroy()}),this.viewBindGroups.length=0}setupClears(e,t){this.clearColor=e?.clearColorBuffer||t.clearColorBuffer,this.clearDepth=e?.clearDepthBuffer||t.clearDepthBuffer,this.clearStencil=e?.clearStencilBuffer||t.clearStencilBuffer}}class j1 extends Pr{layerComposition;scene;renderer;renderActions=[];gammaCorrection;toneMapping;noDepthClear=!1;constructor(e,t,s,i){super(e),this.layerComposition=t,this.scene=s,this.renderer=i}get rendersAnything(){return this.renderActions.length>0}addRenderAction(e){this.renderActions.push(e)}addLayer(e,t,s,i=!0){const r=new $T;if(r.renderTarget=this.renderTarget,r.camera=e,r.layer=t,r.transparent=s,i){const a=this.renderActions.length===0;r.setupClears(a?e:void 0,t)}this.addRenderAction(r)}addLayers(e,t,s,i,r,a=!0){const{layerList:n,subLayerList:o}=e;let c=i,h=s;for(;h<n.length;){const d=n[h],u=o[h];if(t.camera.layersSet.has(d.id)&&(this.addLayer(t,d,u,c),c=!1),h++,d.id===r&&u===a)break}return h}updateCameraBeforePasses(){for(let e=0;e<this.renderActions.length;e++){const t=this.renderActions[e];if(t.firstCameraUse){const s=t.camera?.camera;if(s){const{beforePasses:i}=s;for(let r=0;r<i.length;r++)this.beforePasses.push(i[r])}}}}updateDirectionalShadows(){const{renderer:e,renderActions:t}=this;for(let s=0;s<t.length;s++){const a=t[s].camera.camera,n=this.renderer.cameraDirShadowLights.get(a);if(n)for(let o=0;o<n.length;o++){const c=n[o];if(e.dirLightShadows.get(c)!==a){e.dirLightShadows.set(c,a);const h=e._shadowRendererDirectional.getLightRenderPass(c,a);h&&this.beforePasses.push(h)}}}}updateClears(){const e=this.renderActions[0];if(e){const s=e.camera.camera,i=s.fullSizeClearRect;this.setClearColor(i&&e.clearColor?s.clearColor:void 0),this.setClearDepth(i&&e.clearDepth&&!this.noDepthClear?s.clearDepth:void 0),this.setClearStencil(i&&e.clearStencil?s.clearStencil:void 0)}}frameUpdate(){super.frameUpdate(),this.updateCameraBeforePasses(),this.updateDirectionalShadows(),this.updateClears()}before(){const{renderActions:e}=this;for(let t=0;t<e.length;t++){const s=e[t];s.firstCameraUse&&this.scene.fire(UI,s.camera)}}execute(){const{layerComposition:e,renderActions:t}=this;for(let s=0;s<t.length;s++){const i=t[s],r=i.layer;e.isEnabled(r,i.transparent)&&this.renderRenderAction(i,s===0)}}after(){for(let e=0;e<this.renderActions.length;e++){const t=this.renderActions[e];t.lastCameraUse&&this.scene.fire(zI,t.camera)}this.beforePasses.length=0}renderRenderAction(e,t){const{renderer:s,scene:i}

430=this,r=s.device,{layer:a,transparent:n,camera:o}=e;if(o){const c=o.gammaCorrection,h=o.toneMapping;this.gammaCorrection!==void 0&&(o.gammaCorrection=this.gammaCorrection),this.toneMapping!==void 0&&(o.toneMapping=this.toneMapping),i.fire(VI,o,a,n);const d={lightClusters:e.lightClusters},u=o.camera.shaderPassInfo?.index??Ko;(!t||!o.camera.fullSizeClearRect)&&(d.clearColor=e.clearColor,d.clearDepth=e.clearDepth,d.clearStencil=e.clearStencil);const f=e.renderTarget??r.backBuffer;s.renderForwardLayer(o.camera,f,a,n,u,e.viewBindGroups,d),r.setBlendState(xt.NOBLEND),r.setStencilState(null,null),r.setAlphaToCoverage(!1),i.fire(GI,o,a,n),this.gammaCorrection!==void 0&&(o.gammaCorrection=c),this.toneMapping!==void 0&&(o.toneMapping=h)}}}class q1 extends gn{constructor(e,t,s){super(e),this.renderer=t,this.renderAction=s}execute(){this.renderAction.camera.onPostprocessing()}}const $1=[[],[],[]],Vr=new Q,Aa={drawCalls:[],shaderInstances:[],isNewMaterial:[],lightMaskChanged:[],clear:function(){this.drawCalls.length=0,this.shaderInstances.length=0,this.isNewMaterial.length=0,this.lightMaskChanged.length=0}};function K1(l){const e=[];for(let t=0;t<l;++t){const s=Math.sqrt(t+.5)/Math.sqrt(l);e.push(s)}return e}function Z1(l){const e=[];for(let t=0;t<l;t++){const s=t/l,i=Math.sqrt(s*s);e.push(i)}return e}class KT extends Y1{constructor(e,t){super(e,t);const s=this.device;this._forwardDrawCalls=0,this._materialSwitches=0,this._depthMapTime=0,this._forwardTime=0,this._sortTime=0;const i=s.scope;this.fogColorId=i.resolve("fog_color"),this.fogStartId=i.resolve("fog_start"),this.fogEndId=i.resolve("fog_end"),this.fogDensityId=i.resolve("fog_density"),this.ambientId=i.resolve("light_globalAmbient"),this.skyboxIntensityId=i.resolve("skyboxIntensity"),this.cubeMapRotationMatrixId=i.resolve("cubeMapRotationMatrix"),this.pcssDiskSamplesId=i.resolve("pcssDiskSamples[0]"),this.pcssSphereSamplesId=i.resolve("pcssSphereSamples[0]"),this.lightColorId=[],this.lightDir=[],this.lightDirId=[],this.lightShadowMapId=[],this.lightShadowMatrixId=[],this.lightShadowParamsId=[],this.lightShadowIntensity=[],this.lightRadiusId=[],this.lightPos=[],this.lightPosId=[],this.lightWidth=[],this.lightWidthId=[],this.lightHeight=[],this.lightHeightId=[],this.lightInAngleId=[],this.lightOutAngleId=[],this.lightCookieId=[],this.lightCookieIntId=[],this.lightCookieMatrixId=[],this.lightCookieOffsetId=[],this.lightShadowSearchAreaId=[],this.lightCameraParamsId=[],this.lightSoftShadowParamsId=[],this.shadowMatrixPaletteId=[],this.shadowCascadeDistancesId=[],this.shadowCascadeCountId=[],this.shadowCascadeBlendId=[],this.screenSizeId=i.resolve("uScreenSize"),this._screenSize=new Float32Array(4),this.fogColor=new Float32Array(3),this.ambientColor=new Float32Array(3),this.pcssDiskSamples=K1(16),this.pcssSphereSamples=Z1(16)}destroy(){super.destroy()}dispatchGlobalLights(e){const t=this.ambientColor;if(Vr.linear(e.ambientLight),t[0]=Vr.r,t[1]=Vr.g,t[2]=Vr.b,e.physicalUnits)for(let s=0;s<3;s++)t[s]*=e.ambientLuminance;this.ambientId.setValue(t),this.skyboxIntensityId.setValue(e.physicalUnits?e.skyboxLuminance:e.skyboxIntensity),this.cubeMapRotationMatrixId.setValue(e._skyboxRotationMat3.data)}_resolveLight(e,t){const s=`light${t}`;this.lightColorId[t]=e.resolve(`${s}_color`),this.lightDir[t]=new Float32Array(3),this.lightDirId[t]=e.resolve(`${s}_direction`),this.lightShadowMapId[t]=e.resolve(`${s}_shadowMap`),this.lightShadowMatrixId[t]=e.resolve(`${s}_shadowMatrix`),this.lightShadowParamsId[t]=e.resolve(`${s}_shadowParams`),this.lightShadowIntensity[t]=e.resolve(`${s}_shadowIntensity`),this.lightShadowSearchAreaId[t]=e.resolve(`${s}_shadowSearchArea`),this.lightRadiusId[t]=e.resolve(`${s}_radius`),this.lightPos[t]=new Float32Array(3),this.lightPosId[t]=e.resolve(`${s}_position`),this.lightWidth[t]=new Float32Array(3),this.lightWidthId[t]=e.resolve(`${s}_halfWidth`),this.lightHeight[t]=new Float32Array(3),this.lightHeightId[t]=e.resolve(`${s}_halfHeight`),this.lightInAngleId[t]=e.resolve(`${s}_innerConeAngle`),this.lightOutAngleId[t]=e.resolve(`${s}_outerConeAngle`),this.lightCookieId[t]=e.resolve(`${s}_cookie`),this.lightCookieIntId[t]=e.resolve(`${s}_cookieIntensity`),this.lightCookieMatrixId[t]=e.resolve(`${s}_cookieMatrix`),this.lightCookieOffsetId[t]=e.resolve(`${s}_cookieOffset`),this.lightCameraParamsId[t]=e.resolve(`${s}_cameraParams`),this.lightSoftShadowParamsId[t]=e.resolve(`${s}_softShadowParams`),this.shadowMatrixPaletteId[t]=e.resolve(`${s}_shadowMatrixPalette[0]`),this.shadowCascadeDistancesId[t]=e.resolve(`${s}_shadowCascadeDistances`),this.shadowCascadeCountId[t]=e.resolve(`${s}_shadowCascadeCount`),this.shadowCascadeBlendId[t]=e.resolve(`${s}_shadowCascadeBlend`)}setLTCDirectionalLight(e,t,s,i,r){this.lightPos[t][0]=i.x-s.x*r,this.lightPos[t][1]=i.y-s.y*r,this.lightPos[t][2]=i.z-s.z*r,this.lightPosId[t].setValue(this.lightPos[t]);const a=e.transformVector(new E(-.5,0,0));this.lightWidth[t][0]=a.x*r,this.lightWidth[t][1]=a.y*r,this.lightWidth[t][2]=a.z*r,this.lightWidthId[t].setValue(this.lightWidth[t]);const n=e.transformVector(new E(0,0,.5));this.lightHeight[t][0]=n.x*r,this.lightHeight[t][1]=n.y*r,this.lightHeight[t][2]=n.z*r,this.lightHeightId[t].setValue(this.lightHeight[t])}dispatchDirectLights(e,t,s){let i=0;const r=this.device.scope;for(let a=0;a<e.length;a++){if(!(e[a].mask&t))continue;const n=e[a],o=n._node.getWorldTransform();if(this.lightColorId[i]||this._resolveLight(r,i),this.lightColorId[i].setValue(n._c

430olorLinear),o.getY(n._direction).mulScalar(-1),n._direction.normalize(),this.lightDir[i][0]=n._direction.x,this.lightDir[i][1]=n._direction.y,this.lightDir[i][2]=n._direction.z,this.lightDirId[i].setValue(this.lightDir[i]),n.shape!==Sr&&this.setLTCDirectionalLight(o,i,n._direction,s._node.getPosition(),s.farClip),n.castShadows){const c=n.getRenderData(s,0),h=n._getUniformBiasValues(c);this.lightShadowMapId[i].setValue(c.shadowBuffer),this.lightShadowMatrixId[i].setValue(c.shadowMatrix.data),this.shadowMatrixPaletteId[i].setValue(n._shadowMatrixPalette),this.shadowCascadeDistancesId[i].setValue(n._shadowCascadeDistances),this.shadowCascadeCountId[i].setValue(n.numCascades),this.shadowCascadeBlendId[i].setValue(1-n.cascadeBlend),this.lightShadowIntensity[i].setValue(n.shadowIntensity),this.lightSoftShadowParamsId[i].setValue(n._softShadowParams),c.shadowCamera.renderTarget&&this.lightShadowSearchAreaId[i].setValue(n.penumbraSize/c.shadowCamera.renderTarget.width*c.projectionCompensation);const u=n._shadowCameraParams;u.length=4,u[0]=0,u[1]=c.shadowCamera._farClip,u[2]=c.shadowCamera._nearClip,u[3]=1,this.lightCameraParamsId[i].setValue(u);const f=n._shadowRenderParams;f.length=4,f[0]=n._shadowResolution,f[1]=h.normalBias,f[2]=h.bias,f[3]=0,this.lightShadowParamsId[i].setValue(f)}i++}return i}setLTCPositionalLight(e,t){const s=e.transformVector(new E(-.5,0,0));this.lightWidth[t][0]=s.x,this.lightWidth[t][1]=s.y,this.lightWidth[t][2]=s.z,this.lightWidthId[t].setValue(this.lightWidth[t]);const i=e.transformVector(new E(0,0,.5));this.lightHeight[t][0]=i.x,this.lightHeight[t][1]=i.y,this.lightHeight[t][2]=i.z,this.lightHeightId[t].setValue(this.lightHeight[t])}dispatchOmniLight(e,t,s){const i=t._node.getWorldTransform();if(this.lightColorId[s]||this._resolveLight(e,s),this.lightRadiusId[s].setValue(t.attenuationEnd),this.lightColorId[s].setValue(t._colorLinear),i.getTranslation(t._position),this.lightPos[s][0]=t._position.x,this.lightPos[s][1]=t._position.y,this.lightPos[s][2]=t._position.z,this.lightPosId[s].setValue(this.lightPos[s]),t.shape!==Sr&&this.setLTCPositionalLight(i,s),t.castShadows){const r=t.getRenderData(null,0);this.lightShadowMapId[s].setValue(r.shadowBuffer);const a=t._getUniformBiasValues(r),n=t._shadowRenderParams;n.length=4,n[0]=t._shadowResolution,n[1]=a.normalBias,n[2]=a.bias,n[3]=1/t.attenuationEnd,this.lightShadowParamsId[s].setValue(n),this.lightShadowIntensity[s].setValue(t.shadowIntensity);const o=t.penumbraSize/r.shadowCamera.renderTarget.width;this.lightShadowSearchAreaId[s].setValue(o);const c=t._shadowCameraParams;c.length=4,c[0]=0,c[1]=r.shadowCamera._farClip,c[2]=r.shadowCamera._nearClip,c[3]=0,this.lightCameraParamsId[s].setValue(c)}t._cookie&&(this.lightCookieId[s].setValue(t._cookie),this.lightShadowMatrixId[s].setValue(i.data),this.lightCookieIntId[s].setValue(t.cookieIntensity))}dispatchSpotLight(e,t,s){const i=t._node.getWorldTransform();if(this.lightColorId[s]||this._resolveLight(e,s),this.lightInAngleId[s].setValue(t._innerConeAngleCos),this.lightOutAngleId[s].setValue(t._outerConeAngleCos),this.lightRadiusId[s].setValue(t.attenuationEnd),this.lightColorId[s].setValue(t._colorLinear),i.getTranslation(t._position),this.lightPos[s][0]=t._position.x,this.lightPos[s][1]=t._position.y,this.lightPos[s][2]=t._position.z,this.lightPosId[s].setValue(this.lightPos[s]),t.shape!==Sr&&this.setLTCPositionalLight(i,s),i.getY(t._direction).mulScalar(-1),t._direction.normalize(),this.lightDir[s][0]=t._direction.x,this.lightDir[s][1]=t._direction.y,this.lightDir[s][2]=t._direction.z,this.lightDirId[s].setValue(this.lightDir[s]),t.castShadows){const r=t.getRenderData(null,0);this.lightShadowMapId[s].setValue(r.shadowBuffer),this.lightShadowMatrixId[s].setValue(r.shadowMatrix.data);const a=t._getUniformBiasValues(r),n=t._shadowRenderParams;n.length=4,n[0]=t._shadowResolution,n[1]=a.normalBias,n[2]=a.bias,n[3]=1/t.attenuationEnd,this.lightShadowParamsId[s].setValue(n),this.lightShadowIntensity[s].setValue(t.shadowIntensity);const o=t.penumbraSize/r.shadowCamera.renderTarget.width,c=r.shadowCamera._fov*H.DEG_TO_RAD,h=1/Math.tan(c/2);this.lightShadowSearchAreaId[s].setValue(o*h);const d=t._shadowCameraParams;d.length=4,d[0]=0,d[1]=r.shadowCamera._farClip,d[2]=r.shadowCamera._nearClip,d[3]=0,this.lightCameraParamsId[s].setValue(d)}if(t._cookie){if(!t.castShadows){const r=pr.evalSpotCookieMatrix(t);this.lightShadowMatrixId[s].setValue(r.data)}this.lightCookieId[s].setValue(t._cookie),this.lightCookieIntId[s].setValue(t.cookieIntensity),t._cookieTransform&&(t._cookieTransformUniform[0]=t._cookieTransform.x,t._cookieTransformUniform[1]=t._cookieTransform.y,t._cookieTransformUniform[2]=t._cookieTransform.z,t._cookieTransformUniform[3]=t._cookieTransform.w,this.lightCookieMatrixId[s].setValue(t._cookieTransformUniform),t._cookieOffsetUniform[0]=t._cookieOffset.x,t._cookieOffsetUniform[1]=t._cookieOffset.y,this.lightCookieOffsetId[s].setValue(t._cookieOffsetUniform))}}dispatchLocalLights(e,t,s){let i=s;const r=this.device.scope,a=e[ot],n=a.length;for(let h=0;h<n;h++){const d=a[h];d.mask&t&&(this.dispatchOmniLight(r,d,i),i++)}const o=e[nt],c=o.length;for(let h=0;h<c;h++){const d=o[h];d.mask&t&&(this.dispatchSpotLight(r,d,i),i++)}}renderForwardPrepareMaterials(e,t,s,i,r,a){const n=e.fogParams??this.scene.fog,o=e.shaderParams;o.fog=n.type,o.srgbRenderTarget=t?.isColorBufferSrgb(0)??!1;const c=(v,x,y,S)=>{Aa.drawCalls.push(v),Aa.shaderInstances.push(x),Aa.isNewMaterial.push(y),Aa.lightMaskChanged.push(S)};Aa.clear();const h=this.device,d=this.scene,u=d.clusteredLightingEnabled,f=r?.getLightHash(u)??0;let p=null,m,_;

430const g=s.length;for(let v=0;v<g;v++){const x=s[v],y=x.instancingData;if(y&&y.count<=0)continue;x.ensureMaterial(h);const S=x.material,T=x._shaderDefs,w=x.mask;S&&S===p&&T!==m&&(p=null),S!==p&&(this._materialSwitches++,S._scene=d,S.dirty&&(S.updateUniforms(h,d),S.dirty=!1));const C=x.getShaderInstance(a,f,d,o,this.viewUniformFormat,this.viewBindGroupFormat,i);c(x,C,S!==p,!p||w!==_),p=S,m=T,_=w}return Aa}renderForwardInternal(e,t,s,i,r,a,n){const o=this.device,c=this.scene,h=1<<i,d=a?-1:1,u=c.clusteredLightingEnabled,f=e.xr?.session&&e.xr.views.list.length?e.xr.views.list:null,p=o.xrCurrentViewIndex??-1,m=f&&p>=0?p:0,_=f&&p>=0?p+1:f?f.length:0,g=t.drawCalls.length;for(let v=0;v<g;v++){const x=t.drawCalls[v],y=t.isNewMaterial[v],S=t.lightMaskChanged[v],T=t.shaderInstances[v],w=x.material,C=x.mask;if(T.shader.failed)continue;if(y){if(o.setShader(T.shader,!1),w.setParameters(o),S){const A=this.dispatchDirectLights(s[Te],C,e);u||this.dispatchLocalLights(s,C,A)}this.alphaTestId.setValue(w.alphaTest),o.setBlendState(w.blendState),o.setDepthState(w.depthState),o.setAlphaToCoverage(w.alphaToCoverage)}this.setupCullModeAndFrontFace(e._cullFaces,d,x);const b=x.stencilFront??w.stencilFront,I=x.stencilBack??w.stencilBack;o.setStencilState(b,I),x.setParameters(o,h),o.scope.resolve("meshInstanceId").setValue(x.id);const P=x.mesh;this.setVertexBuffers(o,P),this.setMorphing(o,x.morphInstance),this.setSkinning(o,x);const L=x.instancingData;L&&o.setVertexBuffer(L.vertexBuffer),this.setMeshInstanceMatrices(x,!0),this.setupMeshUniformBuffers(T);const O=x.renderStyle,D=P.indexBuffer[O];r?.(x,v);const N=x.getDrawCommands(e);if(f)for(let k=m;k<_;k++){const A=f[k];if(o.setViewport(A.viewport.x,A.viewport.y,A.viewport.z,A.viewport.w),o.supportsUniformBuffers){const F=n[k];o.setBindGroup(hc,F)}else this.setupViewUniforms(A,k);const M=k===m,R=k===_-1;o.draw(P.primitive[O],D,L?.count,N,M,R),this._forwardDrawCalls++,x.instancingData&&this._instancedDrawCalls++}

430else o.draw(P.primitive[O],D,L?.count,N),this._forwardDrawCalls++,x.instancingData&&this._instancedDrawCalls++;v<g-1&&!t.isNewMaterial[v+1]&&w.setParameters(o,x.parameters)}}renderForward(e,t,s,i,r,a,n,o,c){const h=this.renderForwardPrepareMaterials(e,t,s,i,n,r);this.renderForwardInternal(e,h,i,r,a,o,c),Aa.clear()}renderForwardLayer(e,t,s,i,r,a,n={}){const{scene:o,device:c}=this,h=o.clusteredLightingEnabled;this.setupViewport(e,t);let d,u;if(s){s.sortVisible(e,i);const y=s.getCulledInstances(e);d=i?y.transparent:y.opaque,o.immediate.onPreRenderLayer(s,d,i),s.requiresLightCube&&(this.lightCube.update(o.ambientLight,s._lights),this.constantLightCube.setValue(this.lightCube.colors)),u=s.splitLights}else d=n.meshInstances,u=n.splitLights??$1;h&&((n.lightClusters??this.worldClustersAllocator.empty).activate(),s&&!this.clustersDebugRendered&&o.lighting.debugLayer===s.id&&(this.clustersDebugRendered=!0)),o._activeCamera=e;const f=e.fogParams??this.scene.fog;this.setFogConstants(f);const p=this.setCameraUniforms(e,t);c.supportsUniformBuffers&&this.setupViewUniformBuffers(a,this.viewUniformFormat,this.viewBindGroupFormat,p);const m=n.clearColor??!1,_=n.clearDepth??!1,g=n.clearStencil??!1;(m||_||g)&&this.clear(e,m,_,g);const v=!!(e._flipFaces^t?.flipY),x=this._forwardDrawCalls;this.renderForward(e,t,d,u,r,null,s,v,a),s&&(s._forwardDrawCalls+=this._forwardDrawCalls-x)}setFogConstants(e){if(e.type!==vn){Vr.linear(e.color);const t=this.fogColor;t[0]=Vr.r,t[1]=Vr.g,t[2]=Vr.b,this.fogColorId.setValue(t),e.type===hI?(this.fogStartId.setValue(e.start),this.fogEndId.setValue(e.end)):this.fogDensityId.setValue(e.density)}}setSceneConstants(){const e=this.scene;this.dispatchGlobalLights(e);const t=this.device;this._screenSize[0]=t.width,this._screenSize[1]=t.height,this._screenSize[2]=1/t.width,this._screenSize[3]=1/t.height,this.screenSizeId.setValue(this._screenSize),this.pcssDiskSamplesId.setValue(this.pcssDiskSamples),this.pcssSphereSamplesId.setValue(this.pcssSphereSamples)}buildFrameGraph(e,t){const s=this.scene;if(e.reset(),s.clusteredLightingEnabled){const{shadowsEnabled:o,cookiesEnabled:c}=s.lighting;this._renderPassUpdateClustered.update(e,o,c,this.lights,this.localLights),e.addRenderPass(this._renderPassUpdateClustered)}else this._shadowRendererLocal.buildNonClusteredRenderPasses(e,this.localLights);let i=0,r=!0,a=null;const n=t._renderActions;for(let o=i;o<n.length;o++){const c=n[o],{layer:h,camera:d}=c,u=this._isMultiview(d);if(c.useCameraPasses)u&&e.beginMultiView(this.device),d.camera.framePasses.forEach(f=>{e.addRenderPass(f)}),u&&e.endMultiView();else{const f=h.id===ks,p=f&&(d.renderSceneColorMap||d.renderSceneDepthMap);r&&(r=!1,i=o,a=c.renderTarget);const m=n[o+1],g=(m?!m.useCameraPasses&&m.layer.id===ks:!1)&&(d.renderSceneColorMap||d.renderSceneDepthMap),v=m?m.firstCameraUse&&this.cameraDirShadowLights.has(m.camera.camera):!1;if(!m||m.renderTarget!==a||m.camera!==d||v||g||p){const x=f&&i===o;if(u&&(d.renderSceneColorMap||d.renderSceneDepthMap||c.triggerPostprocess&&d?.onPostprocessing),u&&e.beginMultiView(this.device),x||this.addMainRenderPass(e,t,a,i,o),f){if(d.renderSceneColorMap){const y=d.camera.renderPassColorGrab;y.source=d.renderTarget,e.addRenderPass(y)}d.renderSceneDepthMap&&e.addRenderPass(d.camera.renderPassDepthGrab)}if(c.triggerPostprocess&&d?.onPostprocessing){const y=new q1(this.device,this,c);e.addRenderPass(y)}u&&e.endMultiView(),r=!0}}}}_isMultiview(e){const t=e.camera?.xr;return this.device.isWebGPU&&!!t?.session&&t.views.list.length>=2}addMainRenderPass(e,t,s,i,r){const a=new j1(this.device,t,this.scene,this);a.init(s);const n=t._renderActions;for(let o=i;o<=r;o++)a.addRenderAction(n[o]);e.addRenderPass(a)}update(e){this.frameUpdate(),this.shadowRenderer.frameUpdate(),this.scene._updateSkyMesh(),this.updateLayerComposition(e),this.collectLights(e),this.beginFrame(e),this.setSceneConstants(),this.gsplatDirector?.update(e),this.cullComposition(e),this.gpuUpdate(this.processingMeshInstances)}}let Lp=0;const fl=[],Lh=new Set;function Q1(l,e){return l.drawOrder-e.drawOrder}function J1(l,e){const t=l._sortKeyForward,s=e._sortKeyForward;return t===s?e.mesh.id-l.mesh.id:s-t}function eD(l,e){return e._sortKeyDynamic-l._sortKeyDynamic}function tD(l,e){return l._sortKeyDynamic-e._sortKeyDynamic}const sD=[null,Q1,J1,eD,tD];class iD{opaque=[];transparent=[]}class Kt{id;name;_enabled=!0;_refCounter=1;opaqueSortMode=cS;transparentSortMode=hp;customSortCallback=null;customCalculateSortValues=null;_clearColorBuffer=!1;_clearDepthBuffer=!1;_clearStencilBuffer=!1;onEnable;onDisable;meshInstances=[];meshInstancesSet=new Set;shadowCasters=[];shadowCastersSet=new Set;_visibleInstances=new WeakMap;_lights=[];_lightsSet=new Set;_clusteredLightsSet=new Set;_splitLights=[[],[],[]];

430_splitLightsDirty=!0;_lightHash=0;_lightHashDirty=!1;_lightIdHash=0;_lightIdHashDirty=!1;requiresLightCube=!1;cameras=[];camerasSet=new Set;gsplatPlacements=[];gsplatPlacementsSet=new Set;gsplatShadowCasters=[];gsplatShadowCastersSet=new Set;gsplatPlacementsDirty=!0;_dirtyComposition=!1;_shaderVersion=-1;constructor(e={}){e.id!==void 0?(this.id=e.id,Lp=Math.max(this.id+1,Lp)):this.id=Lp++,this.name=e.name,this._enabled=e.enabled??!0,this._refCounter=this._enabled?1:0,this.opaqueSortMode=e.opaqueSortMode??cS,this.transparentSortMode=e.transparentSortMode??hp,this._clearColorBuffer=!!e.clearColorBuffer,this._clearDepthBuffer=!!e.clearDepthBuffer,this._clearStencilBuffer=!!e.clearStencilBuffer,this.onEnable=e.onEnable,this.onDisable=e.onDisable,this._enabled&&this.onEnable&&this.onEnable()}set enabled(e){e!==this._enabled&&(this._dirtyComposition=!0,this.gsplatPlacementsDirty=!0,this._enabled=e,e?(this.incrementCounter(),this.onEnable&&this.onEnable()):(this.decrementCounter(),this.onDisable&&this.onDisable()))}get enabled(){return this._enabled}set clearColorBuffer(e){this._clearColorBuffer=e,this._dirtyComposition=!0}get clearColorBuffer(){return this._clearColorBuffer}set clearDepthBuffer(e){this._clearDepthBuffer=e,this._dirtyComposition=!0}get clearDepthBuffer(){return this._clearDepthBuffer}set clearStencilBuffer(e){this._clearStencilBuffer=e,this._dirtyComposition=!0}get clearStencilBuffer(){return this._clearStencilBuffer}get hasClusteredLights(){return this._clusteredLightsSet.size>0}get clusteredLightsSet(){return this._clusteredLightsSet}incrementCounter(){this._refCounter===0&&(this._enabled=!0,this.onEnable&&this.onEnable()),this._refCounter++}decrementCounter(){if(this._refCounter===1)this._enabled=!1,this.onDisable&&this.onDisable();else if(this._refCounter===0)return;this._refCounter--}addGSplatPlacement(e){this.gsplatPlacementsSet.has(e)||(this.gsplatPlacements.push(e),this.gsplatPlacementsSet.add(e),this.gsplatPlacementsDirty=!0)}removeGSplatPlacement(e){const t=this.gsplatPlacements.indexOf(e);t>=0&&(this.gsplatPlacements.splice(t,1),this.gsplatPlacementsSet.delete(e),this.gsplatPlacementsDirty=!0)}addGSplatShadowCaster(e){this.gsplatShadowCastersSet.has(e)||(this.gsplatShadowCasters.push(e),this.gsplatShadowCastersSet.add(e),this.gsplatPlacementsDirty=!0)}removeGSplatShadowCaster(e){const t=this.gsplatShadowCasters.indexOf(e);t>=0&&(this.gsplatShadowCasters.splice(t,1),this.gsplatShadowCastersSet.delete(e),this.gsplatPlacementsDirty=!0)}addMeshInstances(e,t){const s=this.meshInstances,i=this.meshInstancesSet;for(let r=0;r<e.length;r++){const a=e[r];i.has(a)||(s.push(a),i.add(a),Lh.add(a.material))}if(t||this.addShadowCasters(e),Lh.size>0){const r=this._shaderVersion;Lh.forEach(a=>{r>=0&&a._shaderVersion!==r&&(a.getShaderVariant!==yn.prototype.getShaderVariant&&a.clearVariants(),a._shaderVersion=r)}),Lh.clear()}}removeMeshInstances(e,t){const s=this.meshInstances,i=this.meshInstancesSet;for(let r=0;r<e.length;r++){const a=e[r];if(i.has(a)){i.delete(a);const n=s.indexOf(a);n>=0&&s.splice(n,1)}}t||this.removeShadowCasters(e)}addShadowCasters(e){const t=this.shadowCasters,s=this.shadowCastersSet;for(let i=0;i<e.length;i++){const r=e[i];r.castShadow&&!s.has(r)&&(s.add(r),t.push(r))}}removeShadowCasters(e){const t=this.shadowCasters,s=this.shadowCastersSet;for(let i=0;i<e.length;i++){const r=e[i];if(s.has(r)){s.delete(r);const a=t.indexOf(r);a>=0&&t.splice(a,1)}}}clearMeshInstances(e=!1){this.meshInstances.length=0,this.meshInstancesSet.clear(),e||(this.shadowCasters.length=0,this.shadowCastersSet.clear())}markLightsDirty(){this._lightHashDirty=!0,this._lightIdHashDirty=!0,this._splitLightsDirty=!0}hasLight(e){return this._lightsSet.has(e)}addLight(e){const t=e.light;this._lightsSet.has(t)||(this._lightsSet.add(t),this._lights.push(t),this.markLightsDirty()),t.type!==Te&&this._clusteredLightsSet.add(t)}removeLight(e){const t=e.light;this._lightsSet.has(t)&&(this._lightsSet.delete(t),this._lights.splice(this._lights.indexOf(t),1),this.markLightsDirty()),t.type!==Te&&this._clusteredLightsSet.delete(t)}

430clearLights(){this._lightsSet.forEach(e=>e.removeLayer(this)),this._lightsSet.clear(),this._clusteredLightsSet.clear(),this._lights.length=0,this.markLightsDirty()}get splitLights(){if(this._splitLightsDirty){this._splitLightsDirty=!1;const e=this._splitLights;for(let s=0;s<e.length;s++)e[s].length=0;const t=this._lights;for(let s=0;s<t.length;s++){const i=t[s];i.enabled&&e[i._type].push(i)}for(let s=0;s<e.length;s++)e[s].sort((i,r)=>i.key-r.key)}return this._splitLights}evaluateLightHash(e,t,s){let i=0;const r=this._lights;for(let a=0;a<r.length;a++){const n=r[a].type!==Te;(e&&n||t&&!n)&&fl.push(s?r[a].id:r[a].key)}return fl.length>0&&(fl.sort(),i=Tf(fl),fl.length=0),i}getLightHash(e){return this._lightHashDirty&&(this._lightHashDirty=!1,this._lightHash=this.evaluateLightHash(!e,!0,!1)),this._lightHash}getLightIdHash(){return this._lightIdHashDirty&&(this._lightIdHashDirty=!1,this._lightIdHash=this.evaluateLightHash(!0,!1,!0)),this._lightIdHash}addCamera(e){this.camerasSet.has(e.camera)||(this.camerasSet.add(e.camera),this.cameras.push(e),this._dirtyComposition=!0)}removeCamera(e){if(this.camerasSet.has(e.camera)){this.camerasSet.delete(e.camera);const t=this.cameras.indexOf(e);this.cameras.splice(t,1),this._dirtyComposition=!0}}clearCameras(){this.cameras.length=0,this.camerasSet.clear(),this._dirtyComposition=!0}_calculateSortDistances(e,t,s){const i=e.length,{x:r,y:a,z:n}=t,{x:o,y:c,z:h}=s;for(let d=0;d<i;d++){const u=e[d];let f;if(u.calculateSortDistance)f=u.calculateSortDistance(u,t,s);else{const m=u.aabb.center;f=(m.x-r)*o+(m.y-a)*c+(m.z-n)*h}const p=u._drawBucket*1e9;u._sortKeyDynamic=p+f}}getCulledInstances(e){let t=this._visibleInstances.get(e);return t||(t=new iD,this._visibleInstances.set(e,t)),t}sortVisible(e,t){const s=t?this.transparentSortMode:this.opaqueSortMode;if(s===Ad)return;const i=this.getCulledInstances(e),r=t?i.transparent:i.opaque,a=e.node;if(s===LI){const n=a.getPosition(),o=a.forward;this.customCalculateSortValues&&this.customCalculateSortValues(r,r.length,n,o),this.customSortCallback&&r.sort(this.customSortCallback)}else{if(s===hp||s===RI){const n=a.getPosition(),o=a.forward;this._calculateSortDistances(r,n,o)}r.sort(sD[s])}}}const rD=(l,e)=>l.priority-e.priority,vc=l=>l.sort(rD);class i_ extends ge{layerList=[];layerIdMap=new Map;layerNameMap=new Map;layerOpaqueIndexMap=new Map;layerTransparentIndexMap=new Map;subLayerList=[];subLayerEnabled=[];cameras=[];camerasSet=new Set;_renderActions=[];_dirty=!1;constructor(e="Untitled"){super(),this.name=e,this._opaqueOrder={},this._transparentOrder={}}destroy(){this.destroyRenderActions()}destroyRenderActions(){this._renderActions.forEach(e=>e.destroy()),this._renderActions.length=0}markDirty(){this._dirty=!0}_update(){const e=this.layerList.length;if(!this._dirty){for(let t=0;t<e;t++)if(this.layerList[t]._dirtyComposition){this._dirty=!0;break}}if(this._dirty){this._dirty=!1,this.cameras.length=0,this.camerasSet.clear();for(let s=0;s<e;s++){const i=this.layerList[s];i._dirtyComposition=!1;for(let r=0;r<i.cameras.length;r++){const a=i.cameras[r];this.camerasSet.has(a.camera)||(this.camerasSet.add(a.camera),this.cameras.push(a))}}this.cameras.length>1&&vc(this.cameras);let t=0;this.destroyRenderActions();for(let s=0;s<this.cameras.length;s++){const i=this.cameras[s];if(i.camera.framePasses.length>0){this.addDummyRenderAction(t,i),t++;continue}let r=!0;const a=t;let n=null,o=!1;for(let c=0;c<e;c++){const h=this.layerList[c];if(h.enabled&&this.subLayerEnabled[c]&&h.cameras.length>0&&i.layers.indexOf(h.id)>=0){!o&&h.id===i.disablePostEffectsLayer&&(o=!0,n&&(n.triggerPostprocess=!0));const u=this.subLayerList[c];n=this.addRenderAction(t,h,u,i,r,o),t++,r=!1}}a<t&&(n.lastCameraUse=!0),!o&&n&&(n.triggerPostprocess=!0),i.renderTarget&&i.postEffectsEnabled&&this.propagateRenderTarget(a-1,i)}this._logRenderActions()}}getNextRenderAction(e){const t=new $T;return this._renderActions.push(t),t}addDummyRenderAction(e,t){const s=this.getNextRenderAction(e);s.camera=t,s.useCameraPasses=!0}addRenderAction(e,t,s,i,r,a){let n=t.id!==ks?i.renderTarget:null,o=!1;const c=this._renderActions;for(let f=e-1;f>=0;f--)if(c[f].camera===i&&c[f].renderTarget===n){o=!0;break}

430a&&i.postEffectsEnabled&&(n=null);const h=this.getNextRenderAction(e);h.triggerPostprocess=!1,h.layer=t,h.transparent=s,h.camera=i,h.renderTarget=n,h.firstCameraUse=r,h.lastCameraUse=!1;const d=r||!o,u=t.clearColorBuffer||t.clearDepthBuffer||t.clearStencilBuffer;return(d||u)&&h.setupClears(d?i:void 0,t),h}propagateRenderTarget(e,t){for(let s=e;s>=0;s--){const i=this._renderActions[s],r=i.layer;if(i.renderTarget&&r.id!==ks)break;if(r.id===ks)continue;if(i.useCameraPasses)break;const a=i?.camera.camera;if(a&&(!t.camera.rect.equals(a.rect)||!t.camera.scissorRect.equals(a.scissorRect)))break;i.renderTarget=t.renderTarget}}_logRenderActions(){}_isLayerAdded(e){return this.layerIdMap.get(e.id)===e}_isSublayerAdded(e,t){return(t?this.layerTransparentIndexMap:this.layerOpaqueIndexMap).get(e)!==void 0}push(e){this._isLayerAdded(e)||(this.layerList.push(e),this.layerList.push(e),this._opaqueOrder[e.id]=this.subLayerList.push(!1)-1,this._transparentOrder[e.id]=this.subLayerList.push(!0)-1,this.subLayerEnabled.push(!0),this.subLayerEnabled.push(!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e))}insert(e,t){if(this._isLayerAdded(e))return;this.layerList.splice(t,0,e,e),this.subLayerList.splice(t,0,!1,!0);const s=this.layerList.length;this._updateOpaqueOrder(t,s-1),this._updateTransparentOrder(t,s-1),this.subLayerEnabled.splice(t,0,!0,!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e)}remove(e){let t=this.layerList.indexOf(e);for(delete this._opaqueOrder[t],delete this._transparentOrder[t];t>=0;)this.layerList.splice(t,1),this.subLayerList.splice(t,1),this.subLayerEnabled.splice(t,1),t=this.layerList.indexOf(e),this._dirty=!0,this.fire("remove",e);const s=this.layerList.length;this._updateOpaqueOrder(0,s-1),this._updateTransparentOrder(0,s-1),this._updateLayerMaps()}pushOpaque(e){this._isSublayerAdded(e,!1)||(this.layerList.push(e),this._opaqueOrder[e.id]=this.subLayerList.push(!1)-1,this.subLayerEnabled.push(!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e))}insertOpaque(e,t){if(this._isSublayerAdded(e,!1))return;this.layerList.splice(t,0,e),this.subLayerList.splice(t,0,!1);const s=this.subLayerList.length;this._updateOpaqueOrder(t,s-1),this.subLayerEnabled.splice(t,0,!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e)}removeOpaque(e){for(let t=0,s=this.layerList.length;t<s;t++)if(this.layerList[t]===e&&!this.subLayerList[t]){this.layerList.splice(t,1),this.subLayerList.splice(t,1),s--,this._updateOpaqueOrder(t,s-1),this.subLayerEnabled.splice(t,1),this._dirty=!0,this.layerList.indexOf(e)<0&&this.fire("remove",e);break}this._updateLayerMaps()}pushTransparent(e){this._isSublayerAdded(e,!0)||(this.layerList.push(e),this._transparentOrder[e.id]=this.subLayerList.push(!0)-1,this.subLayerEnabled.push(!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e))}

430insertTransparent(e,t){if(this._isSublayerAdded(e,!0))return;this.layerList.splice(t,0,e),this.subLayerList.splice(t,0,!0);const s=this.subLayerList.length;this._updateTransparentOrder(t,s-1),this.subLayerEnabled.splice(t,0,!0),this._updateLayerMaps(),this._dirty=!0,this.fire("add",e)}removeTransparent(e){for(let t=0,s=this.layerList.length;t<s;t++)if(this.layerList[t]===e&&this.subLayerList[t]){this.layerList.splice(t,1),this.subLayerList.splice(t,1),s--,this._updateTransparentOrder(t,s-1),this.subLayerEnabled.splice(t,1),this._dirty=!0,this.layerList.indexOf(e)<0&&this.fire("remove",e);break}this._updateLayerMaps()}getOpaqueIndex(e){return this.layerOpaqueIndexMap.get(e)??-1}getTransparentIndex(e){return this.layerTransparentIndexMap.get(e)??-1}isEnabled(e,t){if(e.enabled){const s=t?this.getTransparentIndex(e):this.getOpaqueIndex(e);if(s>=0)return this.subLayerEnabled[s]}return!1}_updateLayerMaps(){this.layerIdMap.clear(),this.layerNameMap.clear(),this.layerOpaqueIndexMap.clear(),this.layerTransparentIndexMap.clear();for(let e=0;e<this.layerList.length;e++){const t=this.layerList[e];this.layerIdMap.set(t.id,t),this.layerNameMap.set(t.name,t),(this.subLayerList[e]?this.layerTransparentIndexMap:this.layerOpaqueIndexMap).set(t,e)}}getLayerById(e){return this.layerIdMap.get(e)??null}getLayerByName(e){return this.layerNameMap.get(e)??null}_updateOpaqueOrder(e,t){for(let s=e;s<=t;s++)this.subLayerList[s]===!1&&(this._opaqueOrder[this.layerList[s].id]=s)}_updateTransparentOrder(e,t){for(let s=e;s<=t;s++)this.subLayerList[s]===!0&&(this._transparentOrder[this.layerList[s].id]=s)}_sortLayersDescending(e,t,s){let i=-1,r=-1;for(let a=0,n=e.length;a<n;a++){const o=e[a];s.hasOwnProperty(o)&&(i=Math.max(i,s[o]))}for(let a=0,n=t.length;a<n;a++){const o=t[a];s.hasOwnProperty(o)&&(r=Math.max(r,s[o]))}return i===-1&&r!==-1?1:r===-1&&i!==-1?-1:r-i}sortTransparentLayers(e,t){return this._sortLayersDescending(e,t,this._transparentOrder)}sortOpaqueLayers(e,t){return this._sortLayersDescending(e,t,this._opaqueOrder)}}const Fh=new E,$i={bias:0,normalBias:0},pl=new Q,Fp={r:0,g:1,b:2,a:3},ZT={directional:Te,omni:ot,point:ot,spot:nt},aD=[[new ie(0,0,1,1)],[new ie(0,0,.5,.5),new ie(0,.5,.5,.5)],[new ie(0,0,.5,.5),new ie(0,.5,.5,.5),new ie(.5,0,.5,.5)],[new ie(0,0,.5,.5),new ie(0,.5,.5,.5),new ie(.5,0,.5,.5),new ie(.5,.5,.5,.5)]],nD={rrr:1,ggg:2,bbb:4,aaa:8,rgb:7};let oD=0;class lD{constructor(e,t,s){this.light=s,this.camera=e,this.shadowCamera=jT.createShadowCamera(s.device,s._shadowType,s._type,t),this.shadowMatrix=new Z,this.shadowViewport=new ie(0,0,1,1),this.shadowScissor=new ie(0,0,1,1),this.projectionCompensation=0,this.face=t,this.visibleCasters=[],this.viewBindGroups=[]}destroy(){this.viewBindGroups.forEach(e=>{e.defaultUniformBuffer.destroy(),e.destroy()}),this.viewBindGroups.length=0}get shadowBuffer(){const e=this.shadowCamera.renderTarget;return e?this.light._isPcf?e.depthBuffer:e.colorBuffer:null}}class Sc{layers=new Set;clusteredLighting;shadowDepthState=ds.DEFAULT.clone();clusteredFlags=0;clusteredData=new Uint32Array(3);clusteredData16=new Uint16Array(this.clusteredData.buffer);_evtDeviceRestored=null;constructor(e,t){this.device=e,this.clusteredLighting=t,this.id=oD++,this._evtDeviceRestored=e.on("devicerestored",this.onDeviceRestored,this),this._type=Te,this._color=new Q(.8,.8,.8),this._intensity=1,this._affectSpecularity=!0,this._luminance=0,this._castShadows=!1,this._enabled=!1,this._mask=Js,this.isStatic=!1,this.key=0,this.bakeDir=!0,this.bakeNumSamples=1,this.bakeArea=0,this.attenuationStart=10,this.attenuationEnd=10,this._falloffMode=gT,this._shadowType=Li,this._vsmBlurSize=11,this.vsmBlurMode=TT,this.vsmBias=.01*.25,this._cookie=null,this.cookieIntensity=1,this._cookieFalloff=!0,this._cookieChannel="rgb",this._cookieTransform=null,this._cookieTransformUniform=new Float32Array(4),this._cookieOffset=null,this._cookieOffsetUniform=new Float32Array(2),this._cookieTransformSet=!1,this._cookieOffsetSet=!1,this._innerConeAngle=40,this._outerConeAngle=45,this.cascades=null,this._shadowMatrixPalette=null,this._shadowCascadeDistances=null,this.numCascades=1,this._cascadeBlend=0,this.cascadeDistribution=.5,this._shape=Sr,this._colorLinear=new Float32Array(3),this._updateLinearColor(),this._position=new E(0,0,0),this._direction=new E(0,0,0),this._innerConeAngleCos=Math.cos(this._innerConeAngle*H.DEG_TO_RAD),this._updateOuterAngle(this._outerConeAngle),this._usePhysicalUnits=void 0,this._shadowMap=null,this._shadowRenderParams=[],this._shadowCameraParams=[],this.shadowDistance=40,this._shadowResolution=1024,this._shadowBias=-5e-4,this._shadowIntensity=1,this._normalOffsetBias=0,this.shadowUpdateMode=LT,this.shadowUpdateOverrides=null,this._isVsm=!1,this._isPcf=!0,this._softShadowParams=new Float32Array(4),this.shadowSamples=16,this.shadowBlockerSamples=16,this.penumbraSize=1,this.penumbraFalloff=1,this._cookieMatrix=null,this._atlasViewport=null,this.atlasViewportAllocated=!1,this.atlasVersion=0,this.atlasSlotIndex=0,this.atlasSlotUpdated=!1,this._node=null,this._renderData=[],this.visibleThisFrame=!1,this.maxScreenSize=0,this._updateShadowBias()}destroy(){this._evtDeviceRestored?.off(),this._evtDeviceRestored=null,this._destroyShadowMap(),this.releaseRenderData(),this._renderData=null}onDeviceRestored(){this.shadowUpdateMode===Ks&&(this.shadowUpdateMode=ea)}releaseRenderData(){if(this._renderData){for(let e=0;e<this._renderData.length;e++)this._renderData[e].destroy();this._renderData.length=0}}addLayer(e){this.layers.add(e)}removeLayer(e){this.layers.delete(e)}set shadowSamples(e){this._softShadowParams[0]=e}get shadowSamples(){return this._softShadowParams[0]}set shadowBlockerSamples(e){this._softShadowParams[1]=e}get shadowBlockerSamples(){return this._softShadowParams[1]}set shadowBias(e){this._shadowBias!==e&&(this._shadowBias=e,this._updateShadowBias())}get shadowBias(){return this._shadowBias}set numCascades(e){(!this.cascades||this.numCascades!==e)&&(this.cascades=aD[e-1],this._shadowMatrixPalette=new Float32Array(64),this._shadowCascadeDistances=new Float32Array(4),this._destroyShadowMap(),this.updateKey())}get numCascades(){return this.cascades.length}set cascadeBlend(e){this._cascadeBlend!==e&&(this._cascadeBlend=e,this.updateKey())}get cascadeBlend(){return this._cascadeBlend}set shadowMap(e){this._shadowMap!==e&&(this._destroyShadowMap(),this._shadowMap=e)}get shadowMap(){return this._shadowMap}set mask(e){this._mask!==e&&(this._mask=e,this.updateKey(),this.updateClusteredFlags())}get mask(){return this._mask}get numShadowFaces(){const e=this._type;return e===Te?this.numCascades:e===ot?6:1}set type(e){if(this._type===e)return;this._type=e,this._destroyShadowMap(),this._updateShadowBias(),this.updateKey(),this.updateClusteredFlags();const t=this._shadowType;this._shadowType=null,this.shadowUpdateOverrides=null,this.shadowType=t}get type(){return this._type}set shape(e){if(this._shape===e)return;this._shape=e,this._destroyShadowMap(),this.updateKey(),this.updateClusteredFlags();const t=this._shadowType;this._shadowType=null,this.shadowType=t}get shape(){return this._shape}set usePhysicalUnits(e){this._usePhysicalUnits!==e&&(this._usePhysicalUnits=e,this._updateLinearColor())}get usePhysicalUnits(){return this._usePhysicalUnits}set shadowType(e){if(this._shadowType===e)return;let t=yr.get(e);t||(e=Li);const s=this.device;

430e===uc&&(!s.textureFloatRenderable||!s.textureFloatFilterable)&&(e=Li),this._type===ot&&e!==ST&&e!==Li&&e!==yT&&e!==xT&&e!==uc&&(e=Li),e===Dg&&(!s.textureFloatRenderable||!s.textureFloatFilterable)&&(e=qm),e===qm&&!s.textureHalfFloatRenderable&&(e=Li),t=yr.get(e),this._isVsm=t?.vsm??!1,this._isPcf=t?.pcf??!1,this._shadowType=e,this._destroyShadowMap(),this.updateKey()}get shadowType(){return this._shadowType}set enabled(e){this._enabled!==e&&(this._enabled=e,this.layersDirty())}get enabled(){return this._enabled}set castShadows(e){this._castShadows!==e&&(this._castShadows=e,this._destroyShadowMap(),this.layersDirty(),this.updateKey())}get castShadows(){return this._castShadows&&this._mask!==fr&&this._mask!==0}set shadowIntensity(e){this._shadowIntensity!==e&&(this._shadowIntensity=e,this.updateKey())}get shadowIntensity(){return this._shadowIntensity}get bakeShadows(){return this._castShadows&&this._mask===fr}set shadowResolution(e){this._shadowResolution!==e&&(this._type===ot?e=Math.min(e,this.device.maxCubeMapSize):e=Math.min(e,this.device.maxTextureSize),this._shadowResolution=e,this._destroyShadowMap())}get shadowResolution(){return this._shadowResolution}set vsmBlurSize(e){this._vsmBlurSize!==e&&(e%2===0&&e++,this._vsmBlurSize=e)}get vsmBlurSize(){return this._vsmBlurSize}set normalOffsetBias(e){if(this._normalOffsetBias!==e){const t=!this._normalOffsetBias&&e||this._normalOffsetBias&&!e;this._normalOffsetBias=e,t&&this.updateKey()}}get normalOffsetBias(){return this._normalOffsetBias}set falloffMode(e){this._falloffMode!==e&&(this._falloffMode=e,this.updateKey(),this.updateClusteredFlags())}get falloffMode(){return this._falloffMode}set innerConeAngle(e){this._innerConeAngle!==e&&(this._innerConeAngle=e,this._innerConeAngleCos=Math.cos(e*H.DEG_TO_RAD),this.updateClusterData(!1,!0),this._usePhysicalUnits&&this._updateLinearColor())}get innerConeAngle(){return this._innerConeAngle}set outerConeAngle(e){this._outerConeAngle!==e&&(this._outerConeAngle=e,this._updateOuterAngle(e),this._usePhysicalUnits&&this._updateLinearColor())}get outerConeAngle(){return this._outerConeAngle}set penumbraSize(e){this._penumbraSize=e,this._softShadowParams[2]=e}get penumbraSize(){return this._penumbraSize}set penumbraFalloff(e){this._softShadowParams[3]=e}get penumbraFalloff(){return this._softShadowParams[3]}_updateOuterAngle(e){const t=e*H.DEG_TO_RAD;this._outerConeAngleCos=Math.cos(t),this._outerConeAngleSin=Math.sin(t),this.updateClusterData(!1,!0)}set intensity(e){this._intensity!==e&&(this._intensity=e,this._updateLinearColor())}get intensity(){return this._intensity}set affectSpecularity(e){this._type===Te&&(this._affectSpecularity=e,this.updateKey())}get affectSpecularity(){return this._affectSpecularity}set luminance(e){this._luminance!==e&&(this._luminance=e,this._updateLinearColor())}get luminance(){return this._luminance}get cookieMatrix(){return this._cookieMatrix||(this._cookieMatrix=new Z),this._cookieMatrix}get atlasViewport(){return this._atlasViewport||(this._atlasViewport=new ie(0,0,1,1)),this._atlasViewport}set cookie(e){this._cookie!==e&&(this._cookie=e,this.updateKey())}get cookie(){return this._cookie}set cookieFalloff(e){this._cookieFalloff!==e&&(this._cookieFalloff=e,this.updateKey())}get cookieFalloff(){return this._cookieFalloff}set cookieChannel(e){if(this._cookieChannel!==e){if(e.length<3){const t=e.charAt(e.length-1),s=3-e.length;for(let i=0;i<s;i++)e+=t}this._cookieChannel=e,this.updateKey(),this.updateClusteredFlags()}}get cookieChannel(){return this._cookieChannel}set cookieTransform(e){this._cookieTransform!==e&&(this._cookieTransform=e,this._cookieTransformSet=!!e,e&&!this._cookieOffset&&(this.cookieOffset=new j,this._cookieOffsetSet=!1),this.updateKey())}get cookieTransform(){return this._cookieTransform}set cookieOffset(e){if(this._cookieOffset===e)return;!!(this._cookieTransformSet||e)&&!e&&this._cookieOffset?this._cookieOffset.set(0,0):this._cookieOffset=e,this._cookieOffsetSet=!!e,e&&!this._cookieTransform&&(this.cookieTransform=new ie(1,1,0,0),this._cookieTransformSet=!1),this.updateKey()}get cookieOffset(){return this._cookieOffset}beginFrame(){this.visibleThisFrame=this._type===Te&&this._enabled,this.maxScreenSize=0,this.atlasViewportAllocated=!1,this.atlasSlotUpdated=!1}_destroyShadowMap(){if(this.releaseRenderData(),this._shadowMap&&(this._shadowMap.cached||this._shadowMap.destroy(),this._shadowMap=null),this.shadowUpdateMode===Ks&&(this.shadowUpdateMode=ea),this.shadowUpdateOverrides)for(let e=0;e<this.shadowUpdateOverrides.length;e++)this.shadowUpdateOverrides[e]===Ks&&(this.shadowUpdateOverrides[e]=ea)}getRenderData(e,t){for(let i=0;i<this._renderData.length;i++){const r=this._renderData[i];if(r.camera===e&&r.face===t)return r}const s=new lD(e,t,this);return this._renderData.push(s),s}clone(){const e=new Sc(this.device,this.clusteredLighting);return e.type=this._type,e.setColor(this._color),e.intensity=this._intensity,e.affectSpecularity=this._affectSpecularity,e.luminance=this._luminance,e.castShadows=this.castShadows,e._enabled=this._enabled,e.attenuationStart=this.attenuationStart,e.attenuationEnd=this.attenuationEnd,e.falloffMode=this._falloffMode,e.shadowType=this._shadowType,e.vsmBlurSize=this._vsmBlurSize,e.vsmBlurMode=this.vsmBlurMode,e.vsmBias=this.vsmBias,e.shadowUpdateMode=this.shadowUpdateMode,e.mask=this.mask,this.shadowUpdateOverrides&&(e.shadowUpdateOverrides=this.shadowUpdateOverrides.slice()),e.innerConeAngle=this._innerConeAngle,e.outerConeAngle=this._outerConeAngle,e.numCascades=this.numCascades,e.cascadeDistribution=this.cascadeDistribution,e.cascadeBlend=this._cascadeBlend,e.shape=this._shape,e.shadowDepthState.copy(this.shadowDepthState),e.shadowBias=this.shadowBias,e.normalOffsetBias=this._normalOffsetBias,e.shadowResolution=this._shadowResolution,e.shadowDistance=this.shadowDistance,e.shadowIntensity=this.shadowIntensity,e.shadowSamples=this.shadowSamples,e.shadowBlockerSamples=this.shadowBlockerSamples,e.penumbraSize=this.penumbraSize,e.penumbraFalloff=this.penumbraFalloff,e}static getLightUnitConversion(e,t=Math.PI/4,s=0){switch(e){case nt:{const i=Math.cos(t),r=Math.cos(s);return 2*Math.PI*(1-r+(r-i)/2)}case ot:return 4*Math.PI;case Te:return 1}}_getUniformBiasValues(e){const t=e.shadowCamera._farClip;switch(this._type){case ot:$i.bias=this.shadowBias,$i.normalBias=this._normalOffsetBias;break;case nt:this._isVsm?$i.bias=-1e-5*20:$i.bias=this.shadowBias*20,$i.normalBias=this._isVsm?this.vsmBias/(this.attenuationEnd/7):this._normalOffsetBias;break;case Te:this._isVsm?$i.bias=-1e-5*20:$i.bias=this.shadowBias/t*100,$i.normalBias=this._isVsm?this.vsmBias/(t/7):this._normalOffsetBias;break}return $i}getColor(){return this._color}getBoundingSphere(e){if(this._type===nt){const t=this.attenuationEnd,s=this._outerConeAngle,i=this._outerConeAngleCos,r=this._node;Fh.copy(r.up),s>

43045?(e.radius=t*this._outerConeAngleSin,Fh.mulScalar(-t*i)):(e.radius=t/(2*i),Fh.mulScalar(-e.radius)),e.center.add2(r.getPosition(),Fh)}else this._type===ot&&(e.center=this._node.getPosition(),e.radius=this.attenuationEnd)}getBoundingBox(e){if(this._type===nt){const t=this.attenuationEnd,s=this._outerConeAngle,i=this._node,r=Math.abs(Math.sin(s*H.DEG_TO_RAD)*t);e.center.set(0,-t*.5,0),e.halfExtents.set(r,t*.5,r),e.setFromTransformedAabb(e,i.getWorldTransform(),!0)}else this._type===ot&&(e.center.copy(this._node.getPosition()),e.halfExtents.set(this.attenuationEnd,this.attenuationEnd,this.attenuationEnd))}_updateShadowBias(){if(this._type===ot&&!this.clusteredLighting)this.shadowDepthState.depthBias=0,this.shadowDepthState.depthBiasSlope=0;else{const e=this.shadowBias*-1e3;this.shadowDepthState.depthBias=e,this.shadowDepthState.depthBiasSlope=e}}_updateLinearColor(){let e=this._intensity;this._usePhysicalUnits&&(e=this._luminance/Sc.getLightUnitConversion(this._type,this._outerConeAngle*H.DEG_TO_RAD,this._innerConeAngle*H.DEG_TO_RAD));const t=this._color,s=this._colorLinear;e>=1?pl.linear(t).mulScalar(e):pl.copy(t).mulScalar(e).linear(),s[0]=pl.r,s[1]=pl.g,s[2]=pl.b,this.updateClusterData(!0)}setColor(){arguments.length===1?this._color.set(arguments[0].r,arguments[0].g,arguments[0].b):arguments.length===3&&this._color.set(arguments[0],arguments[1],arguments[2]),this._updateLinearColor()}layersDirty(){this.layers.forEach(e=>{e.hasLight(this)&&e.markLightsDirty()})}updateKey(){let e=this._type<<29|this._shadowType<<25|this._falloffMode<<23|(this._normalOffsetBias!==0?1:0)<<22|(this._cookie?1:0)<<21|(this._cookieFalloff?1:0)<<20|Fp[this._cookieChannel.charAt(0)]<<18|(this._cookieTransform?1:0)<<12|this._shape<<10|(this.numCascades>0?1:0)<<9|(this._cascadeBlend>0?1:0)<<8|(this.affectSpecularity?1:0)<<7|this.mask<<6|(this._castShadows?1:0)<<3;this._cookieChannel.length===3&&(e|=Fp[this._cookieChannel.charAt(1)]<<16,e|=Fp[this._cookieChannel.charAt(2)]<<14),e!==this.key&&this.layersDirty(),this.key=e}updateClusteredFlags(){const e=!!(this.mask&Js),t=!!(this.mask&ur);this.clusteredFlags=(this.type===nt?1:0)<<30|(this._shape&3)<<28|(this._falloffMode&1)<<27|(nD[this._cookieChannel]??0)<<23|(e?1:0)<<22|(t?1:0)<<21}getClusteredFlags(e,t){return this.clusteredFlags|((e?Math.floor(this.shadowIntensity*255):0)&255)<<0|((t?Math.floor(this.cookieIntensity*255):0)&255)<<8}updateClusterData(e,t){const{clusteredData16:s}=this,i=Ja.float2Half;if(e&&(s[0]=i(H.clamp(this._colorLinear[0]/Cd,0,65504)),s[1]=i(H.clamp(this._colorLinear[1]/Cd,0,65504)),s[2]=i(H.clamp(this._colorLinear[2]/Cd,0,65504))),t){let a=0;const n=.99;let o=Math.cos(this._innerConeAngle*n*H.DEG_TO_RAD);o>.5&&(o=1-o,a|=1);let c=Math.cos(this._outerConeAngle*n*H.DEG_TO_RAD);c>.5&&(c=1-c,a|=2),s[3]=a,s[4]=i(o),s[5]=i(c)}}}class QT{_areaLightsEnabled=!1;_cells=new E(10,3,10);_maxLightsPerCell=255;_shadowsEnabled=!0;_shadowType=Li;_shadowAtlasResolution=2048;_cookiesEnabled=!1;_cookieAtlasResolution=2048;debugLayer;atlasSplit=null;constructor(e,t,s){this._supportsAreaLights=e,this._maxTextureSize=t,this._dirtyLightsFnc=s}applySettings(e){this.shadowsEnabled=e.lightingShadowsEnabled??this.shadowsEnabled,this.cookiesEnabled=e.lightingCookiesEnabled??this.cookiesEnabled,this.areaLightsEnabled=e.lightingAreaLightsEnabled??this.areaLightsEnabled,this.shadowAtlasResolution=e.lightingShadowAtlasResolution??this.shadowAtlasResolution,this.cookieAtlasResolution=e.lightingCookieAtlasResolution??this.cookieAtlasResolution,this.maxLightsPerCell=e.lightingMaxLightsPerCell??this.maxLightsPerCell,this.shadowType=e.lightingShadowType??this.shadowType,e.lightingCells&&(this.cells=new E(e.lightingCells))}set cells(e){this._cells.copy(e)}get cells(){return this._cells}set maxLightsPerCell(e){this._maxLightsPerCell=H.clamp(e,1,255)}get maxLightsPerCell(){return this._maxLightsPerCell}set cookieAtlasResolution(e){this._cookieAtlasResolution=H.clamp(e,32,this._maxTextureSize)}get cookieAtlasResolution(){return this._cookieAtlasResolution}set shadowAtlasResolution(e){this._shadowAtlasResolution=H.clamp(e,32,this._maxTextureSize)}get shadowAtlasResolution(){return this._shadowAtlasResolution}set shadowType(e){this._shadowType!==e&&(this._shadowType=e,this._dirtyLightsFnc())}get shadowType(){return this._shadowType}set cookiesEnabled(e){this._cookiesEnabled!==e&&(this._cookiesEnabled=e,this._dirtyLightsFnc())}get cookiesEnabled(){return this._cookiesEnabled}set areaLightsEnabled(e){this._supportsAreaLights&&this._areaLightsEnabled!==e&&(this._areaLightsEnabled=e,this._dirtyLightsFnc())}get areaLightsEnabled(){return this._areaLightsEnabled}set shadowsEnabled(e){this._shadowsEnabled!==e&&(this._shadowsEnabled=e,this._dirtyLightsFnc())}get shadowsEnabled(){return this._shadowsEnabled}}class dn{constructor(e){this.morph=e,e.incRefCount(),this.device=e.device;const t=e._targets.length;this.shader=this._createShader(t),this._weights=[],this._weightMap=new Map;for(let a=0;a<e._targets.length;a++){const n=e._targets[a];n.name&&this._weightMap.set(n.name,a),this.setWeight(a,n.defaultWeight)}this._shaderMorphWeights=new Float32Array(t),this._shaderMorphIndex=new Uint32Array(t);const s=(a,n)=>(this[n]=e._createTexture(a,e._renderTextureFormat),new St({colorBuffer:this[n],depth:!1}

430));e.morphPositions&&(this.rtPositions=s("MorphRTPos","texturePositions")),e.morphNormals&&(this.rtNormals=s("MorphRTNrm","textureNormals")),this._textureParams=new Float32Array([e.morphTextureWidth,e.morphTextureHeight]);const i=e.aabb.halfExtents;this._aabbSize=new Float32Array([i.x*4,i.y*4,i.z*4]);const r=e.aabb.getMin();this._aabbMin=new Float32Array([r.x*2,r.y*2,r.z*2]),this._aabbNrmSize=new Float32Array([2,2,2]),this._aabbNrmMin=new Float32Array([-1,-1,-1]),this.aabbSizeId=this.device.scope.resolve("aabbSize"),this.aabbMinId=this.device.scope.resolve("aabbMin"),this.morphTextureId=this.device.scope.resolve("morphTexture"),this.morphFactor=this.device.scope.resolve("morphFactor[0]"),this.morphIndex=this.device.scope.resolve("morphIndex[0]"),this.countId=this.device.scope.resolve("count"),this.zeroTextures=!1}destroy(){this.shader=null;const e=this.morph;e&&(this.morph=null,e.decRefCount(),e.refCount<1&&e.destroy()),this.rtPositions?.destroy(),this.rtPositions=null,this.texturePositions?.destroy(),this.texturePositions=null,this.rtNormals?.destroy(),this.rtNormals=null,this.textureNormals?.destroy(),this.textureNormals=null}clone(){return new dn(this.morph)}_getWeightIndex(e){return typeof e=="string"?this._weightMap.get(e):e}getWeight(e){const t=this._getWeightIndex(e);return this._weights[t]}setWeight(e,t){const s=this._getWeightIndex(e);this._weights[s]=t,this._dirty=!0}_createShader(e){const t=new Map;t.set("{MORPH_TEXTURE_MAX_COUNT}",e),this.morph.intRenderFormat&&t.set("MORPH_INT","");const s=this.morph.intRenderFormat?"uvec4":"vec4";return Qt.createShader(this.device,{uniqueName:`TextureMorphShader_${e}-${this.morph.intRenderFormat?"int":"float"}`,attributes:{vertex_position:Ie},vertexChunk:"morphVS",fragmentChunk:"morphPS",fragmentDefines:t,fragmentOutputTypes:[s]})}_updateTextureRenderTarget(e,t,s){const{morph:i,device:r}=this;this.setAabbUniforms(s),this.morphTextureId.setValue(s?i.targetsTexturePositions:i.targetsTextureNormals),r.setBlendState(xt.NOBLEND),this.countId.setValue(t),this.morphFactor.setValue(this._shaderMorphWeights),this.morphIndex.setValue(this._shaderMorphIndex),cn(r,e,this.shader)}_updateTextureMorph(e){this.device,(e>0||!this.zeroTextures)&&(this.rtPositions&&this._updateTextureRenderTarget(this.rtPositions,e,!0),this.rtNormals&&this._updateTextureRenderTarget(this.rtNormals,e,!1),this.zeroTextures=e===0)}setAabbUniforms(e=!0){this.aabbSizeId.setValue(e?this._aabbSize:this._aabbNrmSize),this.aabbMinId.setValue(e?this._aabbMin:this._aabbNrmMin)}prepareRendering(e){this.setAabbUniforms()}update(){this._dirty=!1;const e=this.morph._targets,t=1e-5,s=this._shaderMorphWeights,i=this._shaderMorphIndex;let r=0;for(let a=0;a<e.length;a++)Math.abs(this.getWeight(a))>t&&(s[r]=this.getWeight(a),i[r]=a,r++);this._updateTextureMorph(r)}}class pa{graph=null;meshInstances=[];skinInstances=[];morphInstances=[];constructor(){this.cameras=[],this.lights=[],this._shadersVersion=0,this._immutable=!1}getGraph(){return this.graph}setGraph(e){this.graph=e}getCameras(){return this.cameras}setCameras(e){this.cameras=e}getLights(){return this.lights}setLights(e){this.lights=e}getMaterials(){const e=[];for(let t=0;t<this.meshInstances.length;t++){const s=this.meshInstances[t];e.indexOf(s.material)===-1&&e.push(s.material)}return e}clone(){const e=[],t=[],s=function(c){const h=c.clone();e.push(c),t.push(h);for(let d=0;d<c._children.length;d++)h.addChild(s(c._children[d]));return h},i=s(this.graph),r=[],a=[],n=[];for(let c=0;c<this.skinInstances.length;c++){const h=this.skinInstances[c].skin,d=new $c(h),u=[];for(let f=0;f<h.boneNames.length;f++){const p=h.boneNames[f],m=i.findByName(p);u.push(m)}d.bones=u,a.push(d)}for(let c=0;c<this.morphInstances.length;c++){const h=this.morphInstances[c].morph,d=new dn(h);n.push(d)}for(let c=0;c<this.meshInstances.length;c++){const h=this.meshInstances[c],d=e.indexOf(h.node),u=new Ne(h.mesh,h.material,t[d]);if(h.skinInstance){const f=this.skinInstances.indexOf(h.skinInstance);u.skinInstance=a[f]}if(h.morphInstance){const f=this.morphInstances.indexOf(h.morphInstance);u.morphInstance=n[f]}r.push(u)}const o=new pa;return o.graph=i,o.meshInstances=r,o.skinInstances=a,o.morphInstances=n,o.getGraph().syncHierarchy(),o}destroy(){const e=this.meshInstances;for(let t=0;t<e.length;t++)e[t].destroy();this.meshInstances.length=0}generateWireframe(){Ne._prepareRenderStyleForArray(this.meshInstances,Na)}}class zg extends Cf{_aabb;preferHighPrecision;constructor(e,t,{preferHighPrecision:s=!1}={}){super(),this.device=t;const i=t;this.preferHighPrecision=s,this._targets=e.slice();

430const r=i.textureHalfFloatRenderable?Ge:void 0,a=i.textureFloatRenderable?mt:void 0;this._renderTextureFormat=this.preferHighPrecision?a??r:r??a,this._renderTextureFormat=this._renderTextureFormat??Vi,this.intRenderFormat=Qr(this._renderTextureFormat),this._textureFormat=this.preferHighPrecision?mt:Ge,this._init(),this._updateMorphFlags()}destroy(){this.vertexBufferIds?.destroy(),this.vertexBufferIds=null,this.targetsTexturePositions?.destroy(),this.targetsTexturePositions=null,this.targetsTextureNormals?.destroy(),this.targetsTextureNormals=null}get aabb(){if(!this._aabb){const e=new E,t=new E;for(let s=0;s<this._targets.length;s++){const i=this._targets[s].aabb;e.min(i.getMin()),t.max(i.getMax())}this._aabb=new Le,this._aabb.setMinMax(e,t)}return this._aabb}get morphPositions(){return this._morphPositions}get morphNormals(){return this._morphNormals}_init(){this._initTextureBased();for(let e=0;e<this._targets.length;e++)this._targets[e]._postInit()}_findSparseSet(e,t,s){let i=1;const r=e[0].length;for(let a=0;a<r;a+=3){let n=!1;for(let o=0;o<e.length;o++){const c=e[o];if(c[a]!==0||c[a+1]!==0||c[a+2]!==0){n=!0;break}}n?(t.push(i),s.push(a/3),i++):t.push(0)}return i}_initTextureBased(){const e=[],t=[],s=this._targets;for(let _=0;_<s.length;_++){const g=s[_];g.options.deltaPositions&&(e.push(g.options.deltaPositions),t.push(!0)),g.options.deltaNormals&&(e.push(g.options.deltaNormals),t.push(!1))}const i=[],r=[],a=this._findSparseSet(e,i,r),n=this.device.maxTextureSize;let o=Math.ceil(Math.sqrt(a));o=Math.min(o,n);const c=Math.ceil(a/o);if(c>n)return;this.morphTextureWidth=o,this.morphTextureHeight=c;let h=!1;const d=Ja.float2Half;this._textureFormat===Ge&&(h=!0);const u=[],f=[],p=o*c*4;for(let _=0;_<e.length;_++){const g=e[_],v=this._textureFormat===Ge?new Uint16Array(p):new Float32Array(p);if((t[_]?u:f).push(v),h)for(let x=0;x<r.length;x++){const y=r[x]*3,S=x*4+4;v[S]=d(g[y]),v[S+1]=d(g[y+1]),v[S+2]=d(g[y+2])}else for(let x=0;x<r.length;x++){const y=r[x]*3,S=x*4+4;v[S]=g[y],v[S+1]=g[y+1],v[S+2]=g[y+2]}}u.length>0&&(this.targetsTexturePositions=this._createTexture("MorphPositionsTexture",this._textureFormat,s.length,[u])),f.length>0&&(this.targetsTextureNormals=this._createTexture("MorphNormalsTexture",this._textureFormat,s.length,[f]));const m=[{semantic:Io,components:1,type:Xc,asInt:!0}];return this.vertexBufferIds=new Hi(this.device,new Us(this.device,m,i.length),i.length,{data:new Uint32Array(i)}),!0}get targets(){return this._targets}_updateMorphFlags(){this._morphPositions=!1,this._morphNormals=!1;for(let e=0;e<this._targets.length;e++){const t=this._targets[e];t.morphPositions&&(this._morphPositions=!0),t.morphNormals&&(this._morphNormals=!0)}}_createTexture(e,t,s,i){return new ce(this.device,{levels:i,arrayLength:s,width:this.morphTextureWidth,height:this.morphTextureHeight,format:t,cubemap:!1,mipmaps:!1,minFilter:Fe,magFilter:Fe,addressU:ue,addressV:ue,name:e})}}class Mf{used=!1;constructor(e){this.options=e,this._name=e.name,this._defaultWeight=e.defaultWeight||0,this._aabb=e.aabb,this.deltaPositions=e.deltaPositions,this.morphPositions=!!e.deltaPositions,this.morphNormals=!!e.deltaNormals}get name(){return this._name}get defaultWeight(){return this._defaultWeight}get aabb(){return this._aabb||(this._aabb=new Le,this.deltaPositions&&this._aabb.compute(this.deltaPositions)),this._aabb}clone(){return new Mf(this.options)}_postInit(){this.options.preserveData||(this.options=null),this.used=!0}}let Ki,XS=1;const ne=4,Op=new Z,Bp=new Z,Di=new E,ut=new E,oi=new E,Bn=new E,Ms=new E,Dt=new E,Nn=new E,kn=new E,ml=new E,YS=new E,is=new E,Oh=new E,Pa=new E;function fo(l){return l-Math.floor(l)}function cD(l){return Math.max(Math.min(l,1),0)}function Np(l,e){return l-e*Math.floor(l/e)}function hD(l){let e=fo(l),t=fo(255*l),s=fo(65025*l),i=fo(160581375*l);return e-=t/255,t-=s/255,s-=i/255,i-=i/255,[e,t,s,i]}function Bh(l){let e=fo(l),t=fo(255*l);return e-=t/255,t-=t/255,[e,t]}class dD{constructor(e){this._emitter=e}calcSpawnPosition(e,t,s,i,r){const a=this._emitter,n=Math.random(),o=Math.random(),c=Math.random(),h=Math.random();if(a.useCpu&&(e[r*ne+0+a.numParticlesPot*2*ne]=n,e[r*ne+1+a.numParticlesPot*2*ne]=o,e[r*ne+2+a.numParticlesPot*2*ne]=c),ut.x=n-.5,ut.y=o-.5,ut.z=c-.5,a.emitterShape===Ri){const f=Math.max(Math.abs(ut.x),Math.max(Math.abs(ut.y),Math.abs(ut.z))),p=f+(.5-f)*s[0],m=f+(.5-f)*s[1],_=f+(.5-f)*s[2];ut.x=p*(f===Math.abs(ut.x)?Math.sign(ut.x):2*ut.x),ut.y=m*(f===Math.abs(ut.y)?Math.sign(ut.y):2*ut.y),ut.z=_*(f===Math.abs(ut.z)?Math.sign(ut.z):2*ut.z),a.localSpace?Di.copy(t.transformPoint(ut)):Di.copy(i).add(t.transformPoint(ut))}else{ut.normalize();const f=a.emitterRadius===0?0:a.emitterRadiusInner/a.emitterRadius,p=

430h*(1-f)+f;a.localSpace?Di.copy(ut.mulScalar(p*a.emitterRadius)):Di.copy(i).add(ut.mulScalar(p*a.emitterRadius))}let u=-H.lerp(a.rate,a.rate2,n)*r;if(a.pack8){const f=(Di.x-a.worldBounds.center.x)/a.worldBoundsSize.x+.5,p=(Di.y-a.worldBounds.center.y)/a.worldBoundsSize.y+.5,m=(Di.z-a.worldBounds.center.z)/a.worldBoundsSize.z+.5;let _=H.lerp(a.startAngle*H.DEG_TO_RAD,a.startAngle2*H.DEG_TO_RAD,n);_=_%(Math.PI*2)/(Math.PI*2);const g=Bh(f);e[r*ne]=g[0],e[r*ne+1]=g[1];const v=Bh(p);e[r*ne+2]=v[0],e[r*ne+3]=v[1];const x=Bh(m);e[r*ne+0+a.numParticlesPot*ne]=x[0],e[r*ne+1+a.numParticlesPot*ne]=x[1];const y=Bh(_);e[r*ne+2+a.numParticlesPot*ne]=y[0],e[r*ne+3+a.numParticlesPot*ne]=y[1];const S=1;e[r*ne+3+a.numParticlesPot*ne*2]=S;const T=Math.max(a.lifetime,a.numParticles*Math.max(a.rate,a.rate2)),w=a.lifetime+1;u=(u+T)/(T+w);const C=hD(u);e[r*ne+0+a.numParticlesPot*ne*3]=C[0],e[r*ne+1+a.numParticlesPot*ne*3]=C[1],e[r*ne+2+a.numParticlesPot*ne*3]=C[2],e[r*ne+3+a.numParticlesPot*ne*3]=C[3]}else e[r*ne]=Di.x,e[r*ne+1]=Di.y,e[r*ne+2]=Di.z,e[r*ne+3]=H.lerp(a.startAngle*H.DEG_TO_RAD,a.startAngle2*H.DEG_TO_RAD,n),e[r*ne+3+a.numParticlesPot*ne]=u}update(e,t,s,i,r,a,n,o){let c,h,d;const u=this._emitter;if(u.meshInstance.node){const b=u.meshInstance.node.worldTransform;for(let I=0;I<12;I++)Op.data[I]=b.data[I];Bp.copy(Op),Bp.invert(),Ki=u.meshInstance.node.localScale,XS=Math.max(Math.max(Ki.x,Ki.y),Ki.z)}a=u.meshInstance.node===null||u.localSpace?E.ZERO:u.meshInstance.node.getPosition();const f=u.camera?u.camera._node.getPosition():E.ZERO,p=u.useMesh?17:15;let m,_,g,v,x,y,S,T,w;const C=u.precision-1;for(let b=0;b<u.numParticles;b++){const I=Math.floor(u.vbCPU[b*u.numParticleVerts*(u.useMesh?6:4)+3]),P=s[I*ne+0+u.numParticlesPot*2*ne];oi.x=P,oi.y=s[I*ne+1+u.numParticlesPot*2*ne],oi.z=s[I*ne+2+u.numParticlesPot*2*ne];const L=u.rate+(u.rate2-u.rate)*P,O=u.lifetime;let D=s[I*ne+3+u.numParticlesPot*ne]+n;const N=cD(D/O);let k=0,A=0;const M=0;(D-n<=0||D>=O)&&this.calcSpawnPosition(s,i,r,a,I);let F=D>0&&D<O;F&&(d=N*C,m=Math.floor(d),_=Math.ceil(d),d%=1,c=u.qRotSpeed[m],h=u.qRotSpeed[_],g=c+(h-c)*d,c=u.qRotSpeed2[m],h=u.qRotSpeed2[_],v=c+(h-c)*d,c=u.qScale[m],h=u.qScale[_],k=c+(h-c)*d,c=u.qScale2[m],h=u.qScale2[_],x=c+(h-c)*d,c=u.qAlpha[m],h=u.qAlpha[_],y=c+(h-c)*d,c=u.qAlpha2[m],h=u.qAlpha2[_],S=c+(h-c)*d,c=u.qRadialSpeed[m],h=u.qRadialSpeed[_],T=c+(h-c)*d,c=u.qRadialSpeed2[m],h=u.qRadialSpeed2[_],w=c+(h-c)*d,T+=(w-T)*(P*100%1),Bn.x=s[I*ne],Bn.y=s[I*ne+1],Bn.z=s[I*ne+2],u.localSpace?ml.copy(Bn):ml.copy(Bn).sub(a),ml.normalize().mulScalar(T),m*=3,_*=3,c=u.qLocalVelocity[m],h=u.qLocalVelocity[_],Dt.x=c+(h-c)*d,c=u.qLocalVelocity[m+1],h=u.qLocalVelocity[_+1],Dt.y=c+(h-c)*d,c=u.qLocalVelocity[m+2],h=u.qLocalVelocity[_+2],Dt.z=c+(h-c)*d,c=u.qLocalVelocity2[m],h=u.qLocalVelocity2[_],kn.x=c+(h-c)*d,c=u.qLocalVelocity2[m+1],h=u.qLocalVelocity2[_+1],kn.y=c+(h-c)*d,c=u.qLocalVelocity2[m+2],h=u.qLocalVelocity2[_+2],kn.z=c+(h-c)*d,c=u.qVelocity[m],h=u.qVelocity[_],Ms.x=c+(h-c)*d,c=u.qVelocity[m+1],h=u.qVelocity[_+1],Ms.y=c+(h-c)*d,c=u.qVelocity[m+2],h=u.qVelocity[_+2],Ms.z=c+(h-c)*d,c=u.qVelocity2[m],h=u.qVelocity2[_],Nn.x=c+(h-c)*d,c=u.qVelocity2[m+1],h=u.qVelocity2[_+1],Nn.y=c+(h-c)*d,c=u.qVelocity2[m+2],h=u.qVelocity2[_+2],Nn.z=c+(h-c)*d,Dt.x+=(kn.x-Dt.x)*oi.x,Dt.y+=(kn.y-Dt.y)*oi.y,Dt.z+=(kn.z-Dt.z)*oi.z,u.initialVelocity>0&&(u.emitterShape===SI?(ut.copy(oi).mulScalar(2).sub(E.ONE).normalize(),Dt.add(ut.mulScalar(u.initialVelocity))):Dt.add(E.FORWARD.mulScalar(u.initialVelocity))),Ms.x+=(Nn.x-Ms.x)*oi.x,Ms.y+=(Nn.y-Ms.y)*oi.y,Ms.z+=(Nn.z-Ms.z)*oi.z,g+=(v-g)*oi.y,k=(k+(x-k)*(P*1e4%1))*XS,A=(S-y)*(P*1e3%1),u.meshInstance.node&&(u.localSpace?(Dt.x/=Ki.x,Dt.y/=Ki.y,Dt.z/=Ki.z):Op.transformPoint(Dt,Dt)),u.localSpace?(Bp.transformPoint(Ms,Ms),Dt.add(Ms).add(ml)):(Dt.add(Ms.mul(Ki)),Dt.add(ml.mul(Ki))),Oh.copy(Dt),YS.copy(Bn).add(Dt.mulScalar(n)),is.copy(YS),s[I*ne]=is.x,s[I*ne+1]=is.y,s[I*ne+2]=is.z,s[I*ne+3]+=g*n,u.wrap&&u.wrapBounds&&(u.localSpace||is.sub(a),is.x=Np(is.x,u.wrapBounds.x)-u.wrapBounds.x*.5,is.y=Np(is.y,u.wrapBounds.y)-u.wrapBounds.y*.5,is.z=Np(is.z,u.wrapBounds.z)-u.wrapBounds.z*.5,u.localSpace||is.add(a)),u.sort>0&&(u.sort===1?(Pa.copy(is).sub(f),u.particleDistance[I]=-(Pa.x*Pa.x+Pa.y*Pa.y+Pa.z*Pa.z)):u.sort===2?u.particleDistance[I]=D:u.sort===3&&(u.particleDistance[I]=-D))),o?D<0&&(s[I*ne+3+u.numParticlesPot*2*ne]=-1):(D>=O&&(D-=Math.max(O,u.numParticles*L),s[I*ne+3+u.numParticlesPot*2*ne]=u.loop?1:-1),D<0&&u.loop&&(s[I*ne+3+u.numParticlesPot*2*ne]=1)),s[I*ne+3+u.numParticlesPot*2*ne]<0&&(F=!1),s[I*ne+3+u.numParticlesPot*ne]=D;for(let U=0;U<u.numParticleVerts;U++){const B=(b*u.numParticleVerts+U)*(u.useMesh?6:4);let z=u.vbCPU[B],$=u.vbCPU[B+1],K=u.vbCPU[B+2];F||(z=$=K=0);const Y=b*u.numParticleVerts*p+U*p;e[Y]=is.x,e[Y+1]=is.y,e[Y+2]=is.z,e[Y+3]=N,e[Y+4]=u.alignToMotion?M:s[I*ne+3],e[Y+5]=k,e[Y+6]=A,e[Y+7]=Oh.x,e[Y+8]=z,e[Y+9]=$,e[Y+10]=K,e[Y+11]=Oh.y,e[Y+12]=I,e[Y+13]=Oh.z,e[Y+14]=u.vbCPU[B+3],u.useMesh&&(e[Y+15]=u.vbCPU[B+4],e[Y+16]=u.vbCPU[B+5])}}if(u.sort>

430$m&&u.camera){const b=u.useMesh?6:4,I=u.particleDistance;for(let P=0;P<u.numParticles;P++)t[P][0]=P,t[P][1]=I[Math.floor(u.vbCPU[P*u.numParticleVerts*b+3])];u.vbOld.set(u.vbCPU),t.sort((P,L)=>P[1]-L[1]);for(let P=0;P<u.numParticles;P++){const L=t[P][0]*u.numParticleVerts*b,O=P*u.numParticleVerts*b;for(let D=0;D<u.numParticleVerts*b;D++)u.vbCPU[O+D]=u.vbOld[L+D]}}}}const jS=new xi,qS=new xi,$S=new xi;class uD{constructor(e,t){this._emitter=e,this.frameRandomUniform=new Float32Array(3),this.emitterPosUniform=new Float32Array(3),this.emitterScaleUniform=new Float32Array([1,1,1]),this.worldBoundsMulUniform=new Float32Array(3),this.worldBoundsAddUniform=new Float32Array(3),this.inBoundsSizeUniform=new Float32Array(3),this.inBoundsCenterUniform=new Float32Array(3),this.constantParticleTexIN=t.scope.resolve("particleTexIN"),this.constantParticleTexOUT=t.scope.resolve("particleTexOUT"),this.constantEmitterPos=t.scope.resolve("emitterPos"),this.constantEmitterScale=t.scope.resolve("emitterScale"),this.constantSpawnBounds=t.scope.resolve("spawnBounds"),this.constantSpawnPosInnerRatio=t.scope.resolve("spawnPosInnerRatio"),this.constantSpawnBoundsSphere=t.scope.resolve("spawnBoundsSphere"),this.constantSpawnBoundsSphereInnerRatio=t.scope.resolve("spawnBoundsSphereInnerRatio"),this.constantInitialVelocity=t.scope.resolve("initialVelocity"),this.constantFrameRandom=t.scope.resolve("frameRandom"),this.constantDelta=t.scope.resolve("delta"),this.constantRate=t.scope.resolve("rate"),this.constantRateDiv=t.scope.resolve("rateDiv"),this.constantLifetime=t.scope.resolve("lifetime"),this.constantGraphSampleSize=t.scope.resolve("graphSampleSize"),this.constantGraphNumSamples=t.scope.resolve("graphNumSamples"),this.constantInternalTex0=t.scope.resolve("internalTex0"),this.constantInternalTex1=t.scope.resolve("internalTex1"),this.constantInternalTex2=t.scope.resolve("internalTex2"),this.constantInternalTex3=t.scope.resolve("internalTex3"),this.constantEmitterMatrix=t.scope.resolve("emitterMatrix"),this.constantEmitterMatrixInv=t.scope.resolve("emitterMatrixInv"),this.constantNumParticles=t.scope.resolve("numParticles"),this.constantNumParticlesPot=t.scope.resolve("numParticlesPot"),this.constantLocalVelocityDivMult=t.scope.resolve("localVelocityDivMult"),this.constantVelocityDivMult=t.scope.resolve("velocityDivMult"),this.constantRotSpeedDivMult=t.scope.resolve("rotSpeedDivMult"),this.constantSeed=t.scope.resolve("seed"),this.constantStartAngle=t.scope.resolve("startAngle"),this.constantStartAngle2=t.scope.resolve("startAngle2"),this.constantOutBoundsMul=t.scope.resolve("outBoundsMul"),this.constantOutBoundsAdd=t.scope.resolve("outBoundsAdd"),this.constantInBoundsSize=t.scope.resolve("inBoundsSize"),this.constantInBoundsCenter=t.scope.resolve("inBoundsCenter"),this.constantMaxVel=t.scope.resolve("maxVel"),this.constantFaceTangent=t.scope.resolve("faceTangent"),this.constantFaceBinorm=t.scope.resolve("faceBinorm"),this.constantRadialSpeedDivMult=t.scope.resolve("radialSpeedDivMult")}_setInputBounds(){this.inBoundsSizeUniform[0]=this._emitter.prevWorldBoundsSize.x,this.inBoundsSizeUniform[1]=this._emitter.prevWorldBoundsSize.y,this.inBoundsSizeUniform[2]=this._emitter.prevWorldBoundsSize.z,this.constantInBoundsSize.setValue(this.inBoundsSizeUniform),this.inBoundsCenterUniform[0]=this._emitter.prevWorldBoundsCenter.x,this.inBoundsCenterUniform[1]=this._emitter.prevWorldBoundsCenter.y,this.inBoundsCenterUniform[2]=this._emitter.prevWorldBoundsCenter.z,this.constantInBoundsCenter.setValue(this.inBoundsCenterUniform)}randomize(){this.frameRandomUniform[0]=Math.random(),this.frameRandomUniform[1]=Math.random(),this.frameRandomUniform[2]=Math.random()}update(e,t,s,i,r){const a=this._emitter;e.setDrawStates(),this.randomize(),this.constantRadialSpeedDivMult.setValue(a.material.getParameter("radialSpeedDivMult").data),this.constantGraphSampleSize.setValue(1/a.precision),this.constantGraphNumSamples.setValue(a.precision),this.constantNumParticles.setValue(a.numParticles),this.constantNumParticlesPot.setValue(a.numParticlesPot),this.constantInternalTex0.setValue(a.internalTex0),this.constantInternalTex1.setValue(a.internalTex1),this.constantInternalTex2.setValue(a.internalTex2),this.constantInternalTex3.setValue(a.internalTex3);const n=a.meshInstance.node,o=n===null?E.ONE:n.localScale;if(a.pack8){this.worldBoundsMulUniform[0]=a.worldBoundsMul.x,this.worldBoundsMulUniform[1]=a.worldBoundsMul.y,this.worldBoundsMulUniform[2]=a.worldBoundsMul.z,this.constantOutBoundsMul.setValue(this.worldBoundsMulUniform),this.worldBoundsAddUniform[0]=a.worldBoundsAdd.x,this.worldBoundsAddUniform[1]=a.worldBoundsAdd.y,this.worldBoundsAddUniform[2]=a.worldBoundsAdd.z,this.constantOutBoundsAdd.setValue(this.worldBoundsAddUniform),this._setInputBounds();let f=a.maxVel*Math.max(Math.max(o.x,o.y),o.z);

430f=Math.max(f,1),this.constantMaxVel.setValue(f)}const c=n===null||a.localSpace?E.ZERO:n.getPosition(),h=n===null?Z.IDENTITY:n.getWorldTransform();a.emitterShape===Ri?(jS.setFromMat4(t),this.constantSpawnBounds.setValue(jS.data),this.constantSpawnPosInnerRatio.setValue(s)):(this.constantSpawnBoundsSphere.setValue(a.emitterRadius),this.constantSpawnBoundsSphereInnerRatio.setValue(a.emitterRadius===0?0:a.emitterRadiusInner/a.emitterRadius)),this.constantInitialVelocity.setValue(a.initialVelocity),qS.setFromMat4(h),$S.invertMat4(h),this.emitterPosUniform[0]=c.x,this.emitterPosUniform[1]=c.y,this.emitterPosUniform[2]=c.z,this.constantEmitterPos.setValue(this.emitterPosUniform),this.constantFrameRandom.setValue(this.frameRandomUniform),this.constantDelta.setValue(i),this.constantRate.setValue(a.rate),this.constantRateDiv.setValue(a.rate2-a.rate),this.constantStartAngle.setValue(a.startAngle*H.DEG_TO_RAD),this.constantStartAngle2.setValue(a.startAngle2*H.DEG_TO_RAD),this.constantSeed.setValue(a.seed),this.constantLifetime.setValue(a.lifetime),this.emitterScaleUniform[0]=o.x,this.emitterScaleUniform[1]=o.y,this.emitterScaleUniform[2]=o.z,this.constantEmitterScale.setValue(this.emitterScaleUniform),this.constantEmitterMatrix.setValue(qS.data),this.constantEmitterMatrixInv.setValue($S.data),this.constantLocalVelocityDivMult.setValue(a.localVelocityUMax),this.constantVelocityDivMult.setValue(a.velocityUMax),this.constantRotSpeedDivMult.setValue(a.rotSpeedUMax[0]);let d=a.swapTex?a.particleTexOUT:a.particleTexIN;d=a.beenReset?a.particleTexStart:d;const u=a.swapTex?a.particleTexIN:a.particleTexOUT;this.constantParticleTexIN.setValue(d),cn(e,a.swapTex?a.rtParticleTexIN:a.rtParticleTexOUT,r?a.shaderParticleUpdateOnStop:a.loop?a.shaderParticleUpdateRespawn:a.shaderParticleUpdateNoRespawn),a.material.setParameter("particleTexOUT",d),a.material.setParameter("particleTexIN",u),a.beenReset=!1,a.swapTex=!a.swapTex,a.prevWorldBoundsSize.copy(a.worldBoundsSize),a.prevWorldBoundsCenter.copy(a.worldBounds.center),a.pack8&&this._setInputBounds()}}const KS=["NONE","VERTEX","MAP"];class fD extends ln{generateKey(e){let s=`particle_${ln.definesHash(e.defines)}_`;for(const i in e)e.hasOwnProperty(i)&&(s+=e[i]);return s}createVertexDefines(e,t){const s=new Map(e.defines);return e.mesh&&s.set("USE_MESH",""),e.meshUv&&s.set("USE_MESH_UV",""),e.localSpace&&s.set("LOCAL_SPACE",""),e.screenSpace&&s.set("SCREEN_SPACE",""),e.animTex&&s.set("ANIMTEX",""),e.soft>0&&s.set("SOFT",""),e.stretch>0&&s.set("STRETCH",""),e.customFace&&s.set("CUSTOM_FACE",""),e.pack8&&s.set("PACK8",""),e.localSpace&&s.set("LOCAL_SPACE",""),e.animTexLoop&&s.set("ANIMTEX_LOOP",""),e.wrap&&s.set("WRAP",""),e.alignToMotion&&s.set("ALIGN_TO_MOTION",""),s.set("NORMAL",KS[e.normal]),t.particle_vertexData=Ie,e.mesh&&e.meshUv&&(t.particle_uv=Zs),e.useCpu&&(t.particle_vertexData2=Jd,t.particle_vertexData3=lg,t.particle_vertexData4=cg,t.particle_vertexData5=hg),s}createFragmentDefines(e){const t=new Map(e.defines);return e.soft>0&&t.set("SOFT",""),e.halflambert&&t.set("HALF_LAMBERT",""),t.set("NORMAL",KS[e.normal]),t.set("BLEND",uT[e.blend]),t}createShaderDefinition(e,t){const s=e.isWebGPU?de:ze,i=be.get(e,s),r={},a=this.createVertexDefines(t,r),n=this.createFragmentDefines(t),o=`PARTICLE_${t.useCpu?"CPU":"GPU"}
431`;a.set(o,""),n.set(o,"");const c=new Map(i);return Ht.createDefinition(e,{name:"ParticleShader",shaderLanguage:s,attributes:r,vertexCode:i.get("particle_shaderVS"),fragmentCode:i.get("particle_shaderPS"),fragmentDefines:n,fragmentIncludes:c,vertexIncludes:c,vertexDefines:a})}}const pD=new fD;class mD extends yn{emitter=null;constructor(e){super(),this.emitter=e}getShaderVariant(e){const{device:t,scene:s,cameraShaderParams:i,objDefs:r}=e,{emitter:a}=this,n={defines:Qt.getCoreDefines(this,e),pass:Ko,useCpu:this.emitter.useCpu,normal:a.lighting?a.normalMap!==null?2:1:0,halflambert:this.emitter.halfLambert,stretch:this.emitter.stretch,alignToMotion:this.emitter.alignToMotion,soft:this.emitter.depthSoftening,mesh:this.emitter.useMesh,meshUv:r&Bg,gamma:i?.shaderOutputGamma??qc,toneMap:i?.toneMapping??bf,fog:s&&!this.emitter.noFog?s.fog.type:"none",wrap:this.emitter.wrap&&this.emitter.wrapBounds,localSpace

431:this.emitter.localSpace,screenSpace:a.inTools?!1:this.emitter.screenSpace,blend:this.emitter.blendType,animTex:this.emitter._isAnimated(),animTexLoop:this.emitter.animLoop,pack8:this.emitter.pack8,customFace:this.emitter.orientation!==ru},o=new Df(e.viewUniformFormat,e.viewBindGroupFormat,e.vertexFormat),c=ko(t);return c.register("particle",pD),c.getProgram("particle",n,o,this.userId)}}const ZS=[[-1,-1],[1,-1],[1,1],[-1,1]];function Vs(l,e,t,s,i=mt,r,a){let n=Fe;a&&(i===Re||i===us)&&(n=It);const o=new ce(l,{width:e,height:t,format:i,cubemap:!1,mipmaps:!1,minFilter:n,magFilter:n,addressU:ue,addressV:ue,name:"ParticleSystemTexture"}),c=o.lock();if(i===Re||i===us){const h=new Uint8Array(s.length);for(let d=0;d<s.length;d++)h[d]=s[d]*r*255;s=h}return c.set(s),o.unlock(),o}function QS(l){return Math.max(Math.min(l,1),0)}const JS=new _i([0,0,1,0]),ey=new _i([0,1,1,1]),ty=new Ya([0,0,1,0],[0,0,1,0],[0,0,1,0]),_D=new Ya([0,1,1,1],[0,1,1,1],[0,1,1,1]);let Zi=2;const Nh=4,Qi=new Float32Array(3),Ia=new Z,sy=new E,kh=new E,Uh=new E;let uu,ql;function oe(l,e){ql[l]!==void 0&&ql[l]!==null?uu[l]=ql[l]:uu[l]=e}function JT(l,e,t){return(l*255<<16|e*255<<8|t*255)/(1<<24)}function iy(l,e){const t=l.length/3,s=new Array(t*4);for(let i=0;i<t;i++)s[i*4]=l[i*3],s[i*4+1]=l[i*3+1],s[i*4+2]=l[i*3+2],s[i*4+3]=JT(e[i*3],e[i*3+1],e[i*3+2]);return s}function gD(l,e){const t=new Array(e.length*4);for(let s=0;s<e.length;s++)t[s*4]=l[s*3],t[s*4+1]=l[s*3+1],t[s*4+2]=l[s*3+2],t[s*4+3]=e[s];return t}function vD(l,e,t,s,i){const r=new Array(l.length*4);for(let a=0;a<l.length;a++)r[a*4]=l[a],r[a*4+1]=e[a],r[a*4+2]=0,r[a*4+3]=JT(t[a],s[a],i[a]);return r}function SD(l,e){const t=new Array(l.length*4);for(let s=0;s<l.length;s++)t[s*4]=l[s],t[s*4+1]=e[s],t[s*4+2]=0,t[s*4+3]=0;return t}function yD(l){const e=Math.max(l.rate,l.rate2)*l.numParticles+l.lifetime;return Date.now()+e*1e3}function xD(l,e){const t=new Float32Array(l.length);for(let s=0;s<l.length;s++)t[s]=l[s]-e[s];return t}function ka(l,e){const t=e.length,s=l.length/t;for(let i=0;i<s;i++)for(let r=0;r<t;r++){const a=Math.abs(l[i*t+r]);e[r]=Math.max(e[r],a)}}function TD(l,e){const t=e.length,s=l.length/t;for(let i=0;i<s;i++)for(let r=0;r<t;r++)l[i*t+r]/=e[r]===0?1:e[r],l[i*t+r]*=.5,l[i*t+r]+=.5}function Da(l,e,t){const s=xD(e,l);return ka(s,t),TD(s,t),s}const wD=new Jt;class CD{material=null;internalTex0=null;internalTex1=null;internalTex2=null;colorParam=null;constructor(e,t){this.graphicsDevice=e;const s=e,i=32;this.precision=i,this._addTimeTime=0,uu=this,ql=t,oe("numParticles",1),this.numParticles>e.maxTextureSize&&(this.numParticles=e.maxTextureSize),oe("rate",1),oe("rate2",this.rate),oe("lifetime",50),oe("emitterExtents",new E(0,0,0)),oe("emitterExtentsInner",new E(0,0,0)),oe("emitterRadius",0),oe("emitterRadiusInner",0),oe("emitterShape",Ri),oe("initialVelocity",1),oe("wrap",!1),oe("localSpace",!1),oe("screenSpace",!1),oe("wrapBounds",null),oe("colorMap",this.defaultParamTexture),oe("normalMap",null),oe("loop",!0),oe("preWarm",!1),oe("sort",$m),oe("mode",wT),oe("scene",null),oe("lighting",!1),oe("halfLambert",!1),oe("intensity",1),oe("stretch",0),oe("alignToMotion",!1),oe("depthSoftening",0),oe("mesh",null),oe("particleNormal",new E(0,1,0)),oe("orientation",ru),oe("depthWrite",!1),oe("noFog",!1),oe("blendType",Wi),oe("node",null),oe("startAngle",0),oe("startAngle2",this.startAngle),oe("animTilesX",1),oe("animTilesY",1),oe("animStartFrame",0),oe("animNumFrames",1),oe("animNumAnimations",1),oe("animIndex",0),oe("randomizeAnimIndex",!1),oe("animSpeed",1),oe("animLoop",!0),this._gpuUpdater=new uD(this,s),this._cpuUpdater=new dD(this),this.emitterPosUniform=new Float32Array(3),this.wrapBoundsUniform=new Float32Array(3),this.emitterScaleUniform=new Float32Array([1,1,1]),oe("colorGraph",_D),oe("colorGraph2",this.colorGraph),oe("scaleGraph",ey),oe("scaleGraph2",this.scaleGraph),oe("alphaGraph",ey),oe("alphaGraph2",this.alphaGraph),oe("localVelocityGraph",ty),oe("localVelocityGraph2",this.localVelocityGraph),oe("velocityGraph",ty),oe("velocityGraph2",this.velocityGraph),oe("rotationSpeedGraph",JS),oe("rotationSpeedGraph2",this.rotationSpeedGraph),oe("radialSpeedGraph",JS),oe("radialSpeedGraph2",this.radialSpeedGraph),uu=null,ql=null,this.animTilesParams=new Float32Array(2),this.animParams=new Float32Array(4),this.animIndexParams=new Float32Array(2),this.vbToSort=null,this.vbOld=null,this.particleDistance=null,this.camera=null,this.swapTex=!1,this.useMesh=!0,this.useCpu=!e.supportsGpuParticles,this.pack8=!0,this.localBounds=new Le,this.worldBoundsNoTrail=new Le,this.worldBoundsTrail=[new Le,new Le],this.worldBounds=new Le,this.worldBoundsSize=new E,this.prevWorldBoundsSize=new E,this.prevWorldBoundsCenter=new E,this.prevEmitterExtents=this.emitterExtents,this.prevEmitterRadius=this.emitterRadius,this.worldBoundsMul=new E,this.worldBoundsAdd=new E,this.timeToSwitchBounds=0,this.shaderParticleUpdateRespawn=null,this.shaderParticleUpdateNoRespawn=null,this.shaderParticleUpdateOnStop=null,this.numParticleVerts=0,this.numParticleIndices=0,this.material=null,this.meshInstance=null,this.drawOrder=0,this.seed=Math.random(),this.fixedTimeStep=1/60,this.maxSubSteps=10,this.simTime=0,this.simTimeTotal=0,this.beenReset=!1,this._layer=null,this.rebuild()}get defaultParamTexture(){return wD.get(this.graphicsDevice,()=>{const s=new Float32Array(1024);for(let r=0;r<16;r++)for(let a=0;a<16;a++){const n=a+1-8.5,o=r+1-8.5,c=QS(1-QS(Math.sqrt(n*n+o*o)/16)-.5),h=r*16+a;s[h*4]=1,s[h*4+1]=1,s[h*4+2]=1,s[h*4+3]=c}const i=Vs(this.graphicsDevice,16,16,s,us,1,!0);return i.minFilter=It,i.magFilter=It,i})}onChangeCamera(){this.resetMaterial()}calculateBoundsMad(){this.worldBoundsMul.x=1/this.worldBoundsSize.x,this.worldBoundsMul.y=1/this.worldBoundsSize.y,this.worldBoundsMul.z=1/this.worldBoundsSize.z,this.worldBoundsAdd.copy(this.worldBounds.center).mul(this.worldBoundsMul).mulScalar(-1),this.worldBoundsAdd.x+=.5,this.worldBoundsAdd.y+=.5,this.worldBoundsAdd.z+=.5}calculateWorldBounds(){if(!this.node)return;if(this.prevWorldBoundsSize.copy(this.worldBoundsSize),this.prevWorldBoundsCenter.copy(this.worldBounds.center),

431!this.useCpu){let s=!1;this.emitterShape===Ri?s=!this.emitterExtents.equals(this.prevEmitterExtents):s=this.emitterRadius!==this.prevEmitterRadius,s&&this.calculateLocalBounds()}const e=this.node.getWorldTransform();this.localSpace?this.worldBoundsNoTrail.copy(this.localBounds):this.worldBoundsNoTrail.setFromTransformedAabb(this.localBounds,e),this.worldBoundsTrail[0].add(this.worldBoundsNoTrail),this.worldBoundsTrail[1].add(this.worldBoundsNoTrail);const t=this.simTimeTotal;t>=this.timeToSwitchBounds&&(this.worldBoundsTrail[0].copy(this.worldBoundsTrail[1]),this.worldBoundsTrail[1].copy(this.worldBoundsNoTrail),this.timeToSwitchBounds=t+this.lifetime),this.worldBounds.copy(this.worldBoundsTrail[0]),this.worldBoundsSize.copy(this.worldBounds.halfExtents).mulScalar(2),this.localSpace?(this.meshInstance.aabb.setFromTransformedAabb(this.worldBounds,e),this.meshInstance.mesh.aabb.setFromTransformedAabb(this.worldBounds,e)):(this.meshInstance.aabb.copy(this.worldBounds),this.meshInstance.mesh.aabb.copy(this.worldBounds)),this.meshInstance._aabbVer=1-this.meshInstance._aabbVer,this.pack8&&this.calculateBoundsMad()}resetWorldBounds(){this.node&&(this.worldBoundsNoTrail.setFromTransformedAabb(this.localBounds,this.localSpace?Z.IDENTITY:this.node.getWorldTransform()),this.worldBoundsTrail[0].copy(this.worldBoundsNoTrail),this.worldBoundsTrail[1].copy(this.worldBoundsNoTrail),this.worldBounds.copy(this.worldBoundsTrail[0]),this.worldBoundsSize.copy(this.worldBounds.halfExtents).mulScalar(2),this.prevWorldBoundsSize.copy(this.worldBoundsSize),this.prevWorldBoundsCenter.copy(this.worldBounds.center),this.simTimeTotal=0,this.timeToSwitchBounds=0)}calculateLocalBounds(){let e=Number.MAX_VALUE,t=Number.MAX_VALUE,s=Number.MAX_VALUE,i=-Number.MAX_VALUE,r=-Number.MAX_VALUE,a=-Number.MAX_VALUE,n=0,o=0;const c=this.lifetime/this.precision,h=[this.qVelocity,this.qVelocity2],d=[this.qLocalVelocity,this.qLocalVelocity2],u=[0,0],f=[0,0],p=[0,0],m=[0,0],_=[0,0];let g,v,x;for(let S=0;S<this.precision+1;S++){const T=Math.min(S,this.precision-1);for(let w=0;w<2;w++)g=d[w][T*3+0]*c+u[w],v=d[w][T*3+1]*c+f[w],x=d[w][T*3+2]*c+p[w],e=Math.min(g,e),t=Math.min(v,t),s=Math.min(x,s),i=Math.max(g,i),r=Math.max(v,r),a=Math.max(x,a),u[w]=g,f[w]=v,p[w]=x;for(let w=0;w<2;w++)_[w]+=c*Math.sqrt(h[w][T*3+0]*h[w][T*3+0]+h[w][T*3+1]*h[w][T*3+1]+h[w][T*3+2]*h[w][T*3+2]);m[0]+=this.qRadialSpeed[T]*c,m[1]+=this.qRadialSpeed2[T]*c,n=Math.max(n,Math.max(Math.abs(m[0]),Math.abs(m[1]))),o=Math.max(o,this.qScale[T])}this.emitterShape===Ri?(g=this.emitterExtents.x*.5,v=this.emitterExtents.y*.5,x=this.emitterExtents.z*.5):(g=this.emitterRadius,v=this.emitterRadius,x=this.emitterRadius);const y=Math.max(_[0],_[1]);kh.x=e-o-g-n-y,kh.y=t-o-v-n-y,kh.z=s-o-x-n-y,Uh.x=i+o+g+n+y,Uh.y=r+o+v+n+y,Uh.z=a+o+x+n+y,this.localBounds.setMinMax(kh,Uh)}rebuild(){const e=this.graphicsDevice;this.colorMap===null&&(this.colorMap=this.defaultParamTexture),this.spawnBounds=this.emitterShape===Ri?this.emitterExtents:this.emitterRadius,this.useCpu=this.useCpu||this.sort>$m||e.maxVertexTextures<=1||e.fragmentUniformsCount<64||e.forceCpuParticles;const t=this._destroyResources();this.pack8=(this.pack8||!e.textureFloatRenderable)&&!this.useCpu,Zi=this.useCpu||this.pack8?4:2,this.useMesh=!!this.mesh,this.numParticlesPot=H.nextPowerOfTwo(this.numParticles),this.rebuildGraphs(),this.calculateLocalBounds(),this.resetWorldBounds(),this.node&&(this.worldBounds.setFromTransformedAabb(this.localBounds,this.localSpace?Z.IDENTITY:this.node.getWorldTransform()),this.worldBoundsTrail[0].copy(this.worldBounds),this.worldBoundsTrail[1].copy(this.worldBounds),this.worldBoundsSize.copy(this.worldBounds.halfExtents).mulScalar(2),this.prevWorldBoundsSize.copy(this.worldBoundsSize),this.prevWorldBoundsCenter.copy(this.worldBounds.center),this.pack8&&this.calculateBoundsMad()),this.vbToSort=new Array(this.numParticles);for(let o=0;o<this.numParticles;o++)this.vbToSort[o]=[0,0];this.particleDistance=new Float32Array(this.numParticles),this._gpuUpdater.randomize(),this.particleTex=new Float32Array(this.numParticlesPot*Zi*Nh);const s=this.node===null||this.localSpace?E.ZERO:this.node.getPosition();this.emitterShape===Ri&&(this.node===null||this.localSpace?Ia.setTRS(E.ZERO,ae.IDENTITY,this.spawnBounds):Ia.setTRS(E.ZERO,this.node.getRotation(),sy.copy(this.spawnBounds).mul(this.node.localScale)),Qi[0]=this.emitterExtents.x!==0?this.emitterExtentsInner.x/this.emitterExtents.x:0,Qi[1]=this.emitterExtents.y!==0?this.emitterExtentsInner.y/this.emitterExtents.y:0,Qi[2]=this.emitterExtents.z!==0?this.emitterExtentsInner.z/this.emitterExtents.z:0);for(let o=0;o<this.numParticles;o++)this._cpuUpdater.calcSpawnPosition(this.particleTex,Ia,Qi,s,o),this.useCpu&&(this.particleTex[o*Nh+3+this.numParticlesPot*2*Nh]=1);this.particleTexStart=new Float32Array(this.numParticlesPot*Zi*Nh);for(let o=0;o<this.particleTexStart.length;o++)this.particleTexStart[o]=this.particleTex[o];this.useCpu||(this.pack8?(this.particleTexIN=Vs(e,this.numParticlesPot,Zi,this.particleTex,Re,1,!1),this.particleTexOUT=Vs(e,this.numParticlesPot,Zi,this.particleTex,Re,1,!1),this.particleTexStart=Vs(e,this.numParticlesPot,Zi,this.particleTexStart,Re,1,!1)):(this.particleTexIN=Vs(e,this.numParticlesPot,Zi,this.particleTex),this.particleTexOUT=Vs(e,this.numParticlesPot,Zi,this.particleTex),this.particleTexStart=Vs(e,this.numParticlesPot,Zi,this.particleTexStart)),this.rtParticleTexIN=new St({colorBuffer:this.particleTexIN,depth:!1}

431),this.rtParticleTexOUT=new St({colorBuffer:this.particleTexOUT,depth:!1}),this.swapTex=!1);const i=new Map;this.localSpace&&i.set("LOCAL_SPACE",""),this.pack8&&i.set("PACK8",""),this.emitterShape===Ri&&i.set("EMITTERSHAPE_BOX","");const r=`Shape:${this.emitterShape}-Pack:${this.pack8}-Local:${this.localSpace}`,a={attributes:{vertex_position:Ie},vertexChunk:"fullscreenQuadVS",fragmentChunk:"particle_simulationPS",fragmentDefines:i};a.uniqueName=`ParticleUpdateRespawn-${r}`,i.set("RESPAWN",""),this.shaderParticleUpdateRespawn=Qt.createShader(e,a),i.delete("RESPAWN"),a.uniqueName=`ParticleUpdateNoRespawn-${r}`,i.set("NO_RESPAWN",""),this.shaderParticleUpdateNoRespawn=Qt.createShader(e,a),i.delete("NO_RESPAWN"),a.uniqueName=`ParticleUpdateStop-${r}`,i.set("ON_STOP",""),this.shaderParticleUpdateOnStop=Qt.createShader(e,a),this.numParticleVerts=this.useMesh?this.mesh.vertexBuffer.numVertices:4,this.numParticleIndices=this.useMesh?this.mesh.indexBuffer[0].numIndices:6,this._allocate(this.numParticles);const n=new at(e);n.vertexBuffer=this.vertexBuffer,n.indexBuffer[0]=this.indexBuffer,n.primitive[0].type=qs,n.primitive[0].base=0,n.primitive[0].count=this.numParticles*this.numParticleIndices,n.primitive[0].indexed=!0,this.material=this._createMaterial(),this.resetMaterial(),this.meshInstance=new Ne(n,this.material,this.node),this.meshInstance.pick=!1,this.meshInstance.updateKey(),this.meshInstance.cull=!0,this.localSpace?this.meshInstance.aabb.setFromTransformedAabb(this.worldBounds,this.node.getWorldTransform()):this.meshInstance.aabb.copy(this.worldBounds),this.meshInstance._updateAabb=!1,this.meshInstance.visible=t,this._setMaterialTextures(),this.resetTime(),this.addTime(0,!1),this.preWarm&&this.prewarm(this.lifetime)}_isAnimated(){return this.animNumFrames>=1&&(this.animTilesX>1||this.animTilesY>1)&&(this.colorMap&&this.colorMap!==this.defaultParamTexture||this.normalMap)}rebuildGraphs(){const e=this.precision,t=this.graphicsDevice;this.qLocalVelocity=this.localVelocityGraph.quantize(e),this.qVelocity=this.velocityGraph.quantize(e),this.qColor=this.colorGraph.quantizeClamped(e,0,1),this.qRotSpeed=this.rotationSpeedGraph.quantize(e),this.qScale=this.scaleGraph.quantize(e),this.qAlpha=this.alphaGraph.quantize(e),this.qRadialSpeed=this.radialSpeedGraph.quantize(e),this.qLocalVelocity2=this.localVelocityGraph2.quantize(e),this.qVelocity2=this.velocityGraph2.quantize(e),this.qColor2=this.colorGraph2.quantizeClamped(e,0,1),this.qRotSpeed2=this.rotationSpeedGraph2.quantize(e),this.qScale2=this.scaleGraph2.quantize(e),this.qAlpha2=this.alphaGraph2.quantize(e),this.qRadialSpeed2=this.radialSpeedGraph2.quantize(e);for(let s=0;s<e;s++)this.qRotSpeed[s]*=H.DEG_TO_RAD,this.qRotSpeed2[s]*=H.DEG_TO_RAD;if(this.localVelocityUMax=new Float32Array(3),this.velocityUMax=new Float32Array(3),this.colorUMax=new Float32Array(3),this.rotSpeedUMax=[0],this.scaleUMax=[0],this.alphaUMax=[0],this.radialSpeedUMax=[0],this.qLocalVelocityDiv=Da(this.qLocalVelocity,this.qLocalVelocity2,this.localVelocityUMax),this.qVelocityDiv=Da(this.qVelocity,this.qVelocity2,this.velocityUMax),this.qColorDiv=Da(this.qColor,this.qColor2,this.colorUMax),this.qRotSpeedDiv=Da(this.qRotSpeed,this.qRotSpeed2,this.rotSpeedUMax),this.qScaleDiv=Da(this.qScale,this.qScale2,this.scaleUMax),this.qAlphaDiv=Da(this.qAlpha,this.qAlpha2,this.alphaUMax),this.qRadialSpeedDiv=Da(this.qRadialSpeed,this.qRadialSpeed2,this.radialSpeedUMax),this.pack8){const s=[0,0,0];ka(this.qVelocity,s);const i=[0,0,0];ka(this.qVelocity2,i);const r=[0,0,0];ka(this.qLocalVelocity,r);const a=[0,0,0];ka(this.qLocalVelocity2,a);const n=[0];ka(this.qRadialSpeed,n);const o=[0];ka(this.qRadialSpeed2,o);let c=Math.max(s[0],i[0]);c=Math.max(c,s[1]),c=Math.max(c,i[1]),c=Math.max(c,s[2]),c=Math.max(c,i[2]);let h=Math.max(r[0],a[0]);h=Math.max(h,r[1]),h=Math.max(h,a[1]),h=Math.max(h,r[2]),h=Math.max(h,a[2]);const d=Math.max(n[0],o[0]);this.maxVel=c+h+d}this.useCpu||(this.internalTex0=Vs(t,e,1,iy(this.qLocalVelocity,this.qLocalVelocityDiv)),this.internalTex1=Vs(t,e,1,iy(this.qVelocity,this.qVelocityDiv)),this.internalTex2=Vs(t,e,1,vD(this.qRotSpeed,this.qScale,this.qScaleDiv,this.qRotSpeedDiv,this.qAlphaDiv)),this.internalTex3=Vs(t,e,1,SD(this.qRadialSpeed,this.qRadialSpeedDiv))),this.colorParam=Vs(t,e,1,gD(this.qColor,this.qAlpha),us,1,!0)}_setMaterialTextures(){this.colorMap&&(this.material.setParameter("colorMap",this.colorMap),this.lighting&&this.normalMap&&this.material.setParameter("normalMap",this.normalMap))}_createMaterial(){const e=new mD(this);return e.name=`EmitterMaterial:${this.node.name}`,e.cull=Yt,e.alphaWrite=!1,e.blendType=this.blendType,e.depthWrite=this.depthWrite,e}resetMaterial(){const e=this.material;e.setParameter("stretch",this.stretch),this._isAnimated()&&(e.setParameter("animTexTilesParams",this.animTilesParams),e.setParameter("animTexParams",this.animParams),e.setParameter("animTexIndexParams",this.animIndexParams)),e.setParameter("colorMult",this.intensity),this.useCpu||(e.setParameter("internalTex0",this.internalTex0),e.setParameter("internalTex1",this.internalTex1),e.setParameter("internalTex2",this.internalTex2),e.setParameter("internalTex3",this.internalTex3)),e.setParameter("colorParam",this.colorParam),e.setParameter("numParticles",this.numParticles),e.setParameter("numParticlesPot",this.numParticlesPot),e.setParameter("lifetime",this.lifetime),e.setParameter("rate",this.rate),e.setParameter("rateDiv",this.rate2-this.rate),e.setParameter("seed",this.seed),e.setParameter("scaleDivMult",this.scaleUMax[0]),e.setParameter("alphaDivMult",this.alphaUMax[0]),e.setParameter("radialSpeedDivMult",this.radialSpeedUMax[0]),e.setParameter("graphNumSamples",this.precision),e.setParameter("graphSampleSize",1/this.precision),e.setParameter("emitterScale",new Float32Array([1,1,1])),this.pack8&&(this._gpuUpdater._setInputBounds(),e.setParameter("inBoundsSize",this._gpuUpdater.inBoundsSizeUniform),e.setParameter("inBoundsCenter",this._gpuUpdater.inBoundsCenterUniform),e.setParameter("maxVel",this.maxVel)),this.wrap&&this.wrapBounds&&(this.wrapBoundsUniform[0]=this.wrapBounds.x,this.wrapBoundsUniform[1]=this.wrapBounds.y,this.wrapBoundsUniform[2]=this.wrapBounds.z,e.setParameter("wrapBounds",this.wrapBoundsUniform)),this._setMaterialTextures(),this.depthSoftening>0&&e.setParameter("softening",1/(this.depthSoftening*this.depthSoftening*100)),this.stretch>0&&(e.cull=Yt),this._compParticleFaceParams()}_compParticleFaceParams(){let e,t;if(this.orientation===ru)e=new Float32Array([1,0,0]),t=new Float32Array([0,0,1]);else{let s;this.orientation===yI?s=this.particleNormal.normalize():s=(this.node===null?Z.IDENTITY:this.node.getWorldTransform()).transformVector(this.particleNormal).normalize();const i=new E(1,0,0);Math.abs(i.dot(s))===1&&i.set(0,0,1);const r=new E().cross(s,i).normalize();i.cross(r,s).normalize(),e=new Float32Array([i.x,i.y,i.z]),t=new Float32Array([r.x,r.y,r.z])}this.material.setParameter("faceTangent",e),this.material.setParameter("faceBinorm",t)}getVertexInfo(){const e=[];return this.useCpu?e.push({semantic:Vm,components:4,type:je},{semantic:Jd,components:4,type:je},{semantic:lg,components:4,type:je},{semantic:cg,components:1,type:je},{semantic:hg,components:this.useMesh?4:2,type:je}):(e.push({semantic:Vm,components:4,type:je}),this.useMesh&&e.push({semantic:Jd,components:2,type:je})),e}_allocate(e){const t=e*this.numParticleVerts,s=e*this.numParticleIndices;if(this.vertexBuffer===void 0||this.vertexBuffer.getNumVertices()!==t){const i=this.getVertexInfo(),r=new 

431Us(this.graphicsDevice,i);this.vertexBuffer=new Hi(this.graphicsDevice,r,t,{usage:Vd}),this.indexBuffer=new la(this.graphicsDevice,ra,s);const a=new Float32Array(this.vertexBuffer.lock());let n,o,c;if(this.useMesh){n=new Float32Array(this.mesh.vertexBuffer.lock()),o=n.length/this.mesh.vertexBuffer.numVertices;for(let u=0;u<this.mesh.vertexBuffer.format.elements.length;u++)if(this.mesh.vertexBuffer.format.elements[u].name===Zs){c=this.mesh.vertexBuffer.format.elements[u].offset/4;break}}for(let u=0;u<t;u++){const f=Math.floor(u/this.numParticleVerts);if(this.useMesh){const p=u%this.numParticleVerts;a[u*6]=n[p*o],a[u*6+1]=n[p*o+1],a[u*6+2]=n[p*o+2],a[u*6+3]=f,a[u*6+4]=n[p*o+c+0],a[u*6+5]=1-n[p*o+c+1]}else{const p=u%4;a[u*4]=ZS[p][0],a[u*4+1]=ZS[p][1],a[u*4+2]=0,a[u*4+3]=f}}this.useCpu&&(this.vbCPU=new Float32Array(a),this.vbOld=new Float32Array(this.vbCPU.length)),this.vertexBuffer.unlock(),this.useMesh&&this.mesh.vertexBuffer.unlock();let h=0;const d=new Uint32Array(this.indexBuffer.lock());if(this.useMesh){const u=this.mesh.indexBuffer[0];n=new vg[u.format](u.lock())}for(let u=0;u<e;u++)if(this.useMesh)for(let f=0;f<this.numParticleIndices;f++)d[u*this.numParticleIndices+f]=n[f]+u*this.numParticleVerts;else{const f=u*4;d[h++]=f,d[h++]=f+1,d[h++]=f+2,d[h++]=f,d[h++]=f+2,d[h++]=f+3}this.indexBuffer.unlock(),this.useMesh&&this.mesh.indexBuffer[0].unlock()}}reset(){if(this.beenReset=!0,this.seed=Math.random(),this.material.setParameter("seed",this.seed),this.useCpu)for(let t=0;t<this.particleTexStart.length;t++)this.particleTex[t]=this.particleTexStart[t];else this._setMaterialTextures();this.resetWorldBounds(),this.resetTime();const e=this.loop;this.loop=!0,this.addTime(0,!1),this.loop=e,this.preWarm&&this.prewarm(this.lifetime)}prewarm(e){const t=e/this.lifetime,s=Math.min(Math.floor(t*this.precision),this.precision),i=e/s;for(let r=0;r<s;r++)this.addTime(i,!1)}resetTime(){this.endTime=yD(this)}finishFrame(){this.useCpu&&this.vertexBuffer.unlock()}addTime(e,t){const s=this.graphicsDevice;if(this.simTimeTotal+=e,this.calculateWorldBounds(),this._isAnimated()){const a=this.animTilesParams;a[0]=1/this.animTilesX,a[1]=1/this.animTilesY;const n=this.animParams;n[0]=this.animStartFrame,n[1]=this.animNumFrames*this.animSpeed,n[2]=this.animNumFrames-1,n[3]=this.animNumAnimations-1;const o=this.animIndexParams;o[0]=this.animIndex,o[1]=this.randomizeAnimIndex}this.scene&&this.camera!==this.scene._activeCamera&&(this.camera=this.scene._activeCamera,this.onChangeCamera()),this.emitterShape===Ri&&(Qi[0]=this.emitterExtents.x!==0?this.emitterExtentsInner.x/this.emitterExtents.x:0,Qi[1]=this.emitterExtents.y!==0?this.emitterExtentsInner.y/this.emitterExtents.y:0,Qi[2]=this.emitterExtents.z!==0?this.emitterExtentsInner.z/this.emitterExtents.z:0,this.meshInstance.node===null?Ia.setTRS(E.ZERO,ae.IDENTITY,this.emitterExtents):Ia.setTRS(E.ZERO,this.meshInstance.node.getRotation(),sy.copy(this.emitterExtents).mul(this.meshInstance.node.localScale)));let i;const r=this.meshInstance.node===null?E.ONE:this.meshInstance.node.localScale;if(this.emitterScaleUniform[0]=r.x,this.emitterScaleUniform[1]=r.y,this.emitterScaleUniform[2]=r.z,this.material.setParameter("emitterScale",this.emitterScaleUniform),this.localSpace&&this.meshInstance.node&&(i=this.meshInstance.node.getPosition(),this.emitterPosUniform[0]=i.x,this.emitterPosUniform[1]=i.y,this.emitterPosUniform[2]=i.z,this.material.setParameter("emitterPos",this.emitterPosUniform)),this._compParticleFaceParams(),!this.useCpu)this._gpuUpdater.update(s,Ia,Qi,e,t);else{const a=new Float32Array(this.vertexBuffer.lock());this._cpuUpdater.update(a,this.vbToSort,this.particleTex,Ia,Qi,i,e,t)}this.loop||Date.now()>this.endTime&&(this.onFinished&&this.onFinished(),this.meshInstance.visible=!1),this.meshInstance&&(this.meshInstance.drawOrder=this.drawOrder)}_destroyResources(){this.particleTexIN?.destroy(),this.particleTexIN=null,this.particleTexOUT?.destroy(),this.particleTexOUT=null,this.particleTexStart&&this.particleTexStart.destroy&&(this.particleTexStart.destroy(),this.particleTexStart=null),this.rtParticleTexIN?.destroy(),this.rtParticleTexIN=null,this.rtParticleTexOUT?.destroy(),this.rtParticleTexOUT=null,this.internalTex0?.destroy(),this.internalTex0=null,this.internalTex1?.destroy(),this.internalTex1=null,this.internalTex2?.destroy(),this.internalTex2=null,this.internalTex3?.destroy(),this.internalTex3=null,this.colorParam?.destroy(),this.colorParam=null,this.vertexBuffer=void 0,this.indexBuffer=void 0;const e=this.meshInstance?.visible??!0;return this.meshInstance?.destroy(),this.meshInstance=null,this.material?.destroy(),this.material=null,e}destroy(){this.camera=null,this._destroyResources()}}class ED extends ln{generateKey(e){const t=e.shaderDesc,s=t.vertexGLSL?Xs(t.vertexGLSL):0,i=t.fragmentGLSL?Xs(t.fragmentGLSL):0,r=t.vertexWGSL?Xs(t.vertexWGSL):0,a=t.fragmentWGSL?Xs(t.fragmentWGSL):0,n=ln.definesHash(e.defines),o=e.shaderChunks?.key??"";let c=`${t.uniqueName}_${n}_${s}_${i}_${r}_${a}_${o}`;return e.skin&&(c+="_skin"),e.useInstancing&&(c+="_inst"),e.useMorphPosition&&(c+="_morphp"),e.useMorphNormal&&(c+="_morphn"),e.useMorphTextureBasedInt&&(c+="_morphi"),c}createAttributesDefinition(e,t){const s=t.shaderDesc.attributes,i=s?{...s}:void 0;t.skin&&(i.vertex_boneWeights=ki,i.vertex_boneIndices=Bs),(t.useMorphPosition||t.useMorphNormal)&&(i.morph_vertex_id=Io),e.attributes=i}createVertexDefinition(e,t,s,i){const r=t.shaderDesc,a=new Map(s);a.set("transformInstancingVS","");const n=new Map(t.defines);t.skin&&n.set("SKIN",!0),t.useInstancing&&n.set("INSTANCING",!0),(t.useMorphPosition||t.useMorphNormal)&&(n.set("MORPHING",!0),t.useMorphTextureBasedInt&&n.set("MORPHING_INT",!0),t.useMorphPosition&&n.set("MORPHING_POSITION",!0),t.useMorphNormal&&n.set("MORPHING_NORMAL",!0)),e.vertexCode=i?r.vertexWGSL:r.vertexGLSL,e.vertexIncludes=a,e.vertexDefines=n}createFragmentDefinition(e,t,s,i){const r=t.shaderDesc,a=new Map(s),n=new Map(t.defines);e.fragmentCode=i?r.fragmentWGSL:r.fragmentGLSL,e.fragmentIncludes=a,e.fragmentDefines=n}createShaderDefinition(e,t){const s=t.shaderDesc,i=e.isWebGPU&&!!s.vertexWGSL&&!!s.fragmentWGSL&&(t.shaderChunks?.useWGSL??!0),r={name:`ShaderMaterial-${s.uniqueName}`,shaderLanguage:i?de:ze,fragmentOutputTypes:s.fragmentOutputTypes,meshUniformBufferFormat:s.meshUniformBufferFormat,meshBindGroupFormat:s.meshBindGroupFormat},a=i?de:ze,n=du.merge(be.get(e,a),t.shaderChunks[a]);return this.createAttributesDefinition(r,t),this.createVertexDefinition(r,t,n,i),this.createFragmentDefinition(r,t,n,i),Ht.createDefinition(e,r)}}const bD=new ED;class ei extends yn{_shaderDesc;constructor(e){super(),this.shaderDesc=e}set shaderDesc(e){if(this._shaderDesc=void 0,e&&(this._shaderDesc={uniqueName:e.uniqueName,attributes:e.attributes,fragmentOutputTypes:e.fragmentOutputTypes,vertexGLSL:e.vertexGLSL,fragmentGLSL:e.fragmentGLSL,vertexWGSL:e.vertexWGSL,fragmentWGSL:e.fragmentWGSL},e.vertexCode||e.fragmentCode||e.shaderLanguage)){const t=e.shaderLanguage??ze;t===ze?(this._shaderDesc.vertexGLSL=e.vertexCode,this._shaderDesc.fragmentGLSL=e.fragmentCode):t===de&&(this._shaderDesc.vertexWGSL=e.vertexCode,this._shaderDesc.fragmentWGSL=e.fragmentCode)}this.clearVariants()}get shaderDesc(){return this._shaderDesc}copy(e){return super.copy(e),this.shaderDesc=e.shaderDesc,this}getShaderVariant(e){const{objDefs:t}=e,s={defines:Qt.getCoreDefines(this,e),skin:(t&fc)!==0,useInstancing:(t&pc)!==0,useMorphPosition:(t&mc)!==0,useMorphNormal:(t&_c)!==0,useMorphTextureBasedInt:(t&gc)!==0,pass:e.pass,gamma:e.cameraShaderParams.shaderOutputGamma,toneMapping:e.cameraShaderParams.toneMapping,fog:e.cameraShaderParams.fog,shaderDesc:this.shaderDesc,shaderChunks:this.shaderChunks},i=new Df(e.viewUniformFormat,e.viewBindGroupFormat,e.vertexFormat),r=ko(e.device);return r.register("shader-material",bD),r.getProgram("shader-material",s,i,this.userId)}}var AD=`
432uniform highp {sampler} {name};
433{returnType} load{funcName}() { return texelFetch({name}, splat.uv, 0); }
434{returnType} load{funcName}WithIndex(uint index) { return texelFetch({name}, ivec2(index % splatTextureSize, index / splatTextureSize), 0); }
435`,PD=`
436var {name}: {textureType};
437fn load{funcName}() -> {returnType} { return textureLoad({name}, splat.uv, 0); }
438fn load{funcName}WithIndex(index: u32) -> {returnType} { return textureLoad({name}, vec2i(i32(index % uniform.splatTextureSize), i32(index / uniform.splatTextureSize)), 0); }
439`,ID=`
440@group(0) @binding({binding}) var {name}: {textureType};
441fn load{funcName}() -> {returnType} { return textureLoad({name}, splat.uv, 0); }
442fn load{funcName}WithIndex(index: u32) -> {returnType} { return textureLoad({name}, vec2i(i32(index % uniforms.splatTextureSize), i32(index / uniforms.splatTextureSize)), 0); }
443`,ry=`
444void write{funcName}({returnType} value) {
445#if {defineGuard}
446	pcFragColor{index} = value;
447#endif
448}
449`,ay=`
450fn write{funcName}(value: {returnType}) {
451#if {defineGuard}
452	processOutput.{colorSlot} = value;
453#endif
454}
455`,ew=`
456vec3 getCenter() { return loadDataCenter().xyz; }
457vec4 getColor() { return loadDataColor(); }
458vec3 getScale() { return loadDataScale().xyz; }
459vec4 getRotation() { return loadDataRotation(); }
460`,tw=`
461fn getCenter() -> vec3f { return loadDataCenter().xyz; }
462fn getColor() -> vec4f { return loadDataColor(); }
463fn getScale() -> vec3f { return loadDataScale().xyz; }
464fn getRotation() -> vec4f { return loadDataRotation(); }
465`,DD=`
466	vec3 getCenter() { return loadDataCenter().xyz; }
467	vec4 getColor() { return loadDataColor(); }
468	vec3 getScale() { return vec3(loadDataCenter().w); }
469	vec4 getRotation() { return vec4(0.0, 0.0, 0.0, 1.0); }
470`,MD=`
471	fn getCenter() -> vec3f { return loadDataCenter().xyz; }
472	fn getColor() -> vec4f { return loadDataColor(); }
473	fn getScale() -> vec3f { return vec3f(loadDataCenter().w); }
474	fn getRotation() -> vec4f { return vec4f(0.0, 0.0, 0.0, 1.0); }
475`;const ny=l=>l.map(e=>`${e.name}:${e.format}:${e.storage}`).join(","),oy=/\{name\}/g,RD=/\{sampler\}/g,ly=/\{textureType\}/g,zh=/\{returnType\}/g,Vh=/\{funcName\}/g,LD=/\{binding\}/g,FD=/\{index\}/g,OD=/\{colorSlot\}/g,cy=/\{defineGuard\}/g;class ca{_device;streams;_read;allowStreamRemoval=!1;_extraStreams=[];_streamNames=new Set;_extraStreamsVersion=0;_hash;_resourceStreams=null;_instanceStreams=null;constructor(e,t,s){this._device=e,this.streams=[...t],this._streamNames=new Set(this.streams.map(r=>r.name));const i=e.isWebGPU;

475this._read=i?s.readWGSL:s.readGLSL}get hash(){if(this._hash===void 0){const e=ny(this.streams),t=ny(this._extraStreams);this._hash=Xs(e+t+this._read)}return this._hash}get extraStreamsVersion(){return this._extraStreamsVersion}get extraStreams(){return this._extraStreams}get resourceStreams(){return this._resourceStreams===null&&(this._resourceStreams=[...this.streams.filter(e=>e.storage!==dp),...this._extraStreams.filter(e=>e.storage!==dp)]),this._resourceStreams}get instanceStreams(){return this._instanceStreams===null&&(this._instanceStreams=this._extraStreams.filter(e=>e.storage===dp)),this._instanceStreams}addExtraStreams(e){if(!e||e.length===0)return;let t=!1;for(const s of e)this._streamNames.has(s.name)||(this._extraStreams.push({name:s.name,format:s.format,storage:s.storage??YI}),this._streamNames.add(s.name),t=!0);t&&(this._extraStreamsVersion++,this._invalidateCaches())}removeExtraStreams(e){if(!this.allowStreamRemoval)return;let t=!1;for(const s of e){const i=this._extraStreams.findIndex(r=>r.name===s);i!==-1&&(this._extraStreams.splice(i,1),this._streamNames.delete(s),t=!0)}t&&(this._extraStreamsVersion++,this._invalidateCaches())}getInputDeclarations(e){const t=this._device.isWebGPU,s=t?PD:AD,i=t?ph:yd,r=[];let a=[...this.streams,...this._extraStreams];e&&(a=a.filter(n=>e.includes(n.name)));for(const n of a){const o=i(n.format),c=n.name.charAt(0).toUpperCase()+n.name.slice(1);let h=o.textureType??"";t&&n.format===mt&&(h="texture_2d<uff>");const d=s.replace(oy,n.name).replace(RD,o.sampler??"").replace(ly,h).replace(zh,o.returnType).replace(Vh,c);r.push(d)}return r.join(`
476`)}getReadCode(){return this._read}getComputeInputDeclarations(e,t){const s=[];let i=[...this.streams,...this._extraStreams];t&&(i=i.filter(r=>t.includes(r.name)));for(let r=0;r<i.length;r++){const a=i[r],n=ph(a.format),o=a.name.charAt(0).toUpperCase()+a.name.slice(1);let c=n.textureType??"";a.format===mt&&(c="texture_2d<uff>");const h=ID.replace(LD,String(e+r)).replace(oy,a.name).replace(ly,c).replace(zh,n.returnType).replace(Vh,o);s.push(h)}return s.join(`
477`)}getComputeBindFormats(e){let t=[...this.streams,...this._extraStreams];return e&&(t=t.filter(s=>e.includes(s.name))),t.map(s=>{const i=fs.get(s.format);let r=ls;return i?.isUint?r=na:i?.isInt&&(r=aa),new No(s.name,G,void 0,r,!1)})}setWriteCode(e,t){this._write=this._device.isWebGPU?t:e}getWriteCode(){return this._write}getOutputDeclarations(e){const t=this._device.isWebGPU,s=[],i=t?ay:ry,r=t?ph:yd;for(let a=0;a<e.length;a++){const n=e[a],o=r(n.format),c=n.name.charAt(0).toUpperCase()+n.name.slice(1),h=a===0?"color":`color${a}`,d=i.replace(Vh,c).replace(zh,o.returnType).replace(FD,String(a)).replace(OD,h).replace(cy,"1");s.push(d)}return s.join(`
478`)}getOutputStubs(e){const t=this._device.isWebGPU,s=[],i=t?ay:ry,r=t?ph:yd;for(const a of e){const n=r(a.format),o=a.name.charAt(0).toUpperCase()+a.name.slice(1),c=i.replace(Vh,o).replace(zh,n.returnType).replace(cy,"0");s.push(c)}return s.join(`
479`)}getStream(e){let t=this.streams.find(s=>s.name===e);return t||(t=this._extraStreams.find(s=>s.name===e)),t}

479_invalidateCaches(){this._hash=void 0,this._resourceStreams=null,this._instanceStreams=null}static createDefaultFormat(e){return new ca(e,[{name:"dataColor",format:Ge},{name:"dataCenter",format:mt},{name:"dataScale",format:Ge},{name:"dataRotation",format:Ge}],{readGLSL:ew,readWGSL:tw})}static createSimpleFormat(e){return new ca(e,[{name:"dataCenter",format:mt},{name:"dataColor",format:Ge}],{readGLSL:DD,readWGSL:MD})}}var BD=`
480uvec4 cachedTransformA;
481vec3 getCenter() {
482	cachedTransformA = loadDataTransformA();
483	return vec3(uintBitsToFloat(cachedTransformA.r), uintBitsToFloat(cachedTransformA.g), uintBitsToFloat(cachedTransformA.b));
484}
485float getOpacity() {
486	return float(cachedTransformA.a >> 24u) / 255.0;
487}
488vec3 getColor() {
489	uint data = loadDataColor().x;
490	float r = float(data & 0x7FFu) * (4.0 / 2047.0);
491	float g = float((data >> 11u) & 0x7FFu) * (4.0 / 2047.0);
492	float b = float((data >> 22u) & 0x3FFu) * (4.0 / 1023.0);
493	return vec3(r, g, b);
494}
495vec4 getRotation() {
496	uint data = loadDataTransformB().x;
497	vec3 p = vec3(
498		float(data & 0x7FFu) / 2047.0 * 2.0 - 1.0,
499		float((data >> 11u) & 0x7FFu) / 2047.0 * 2.0 - 1.0,
500		float((data >> 22u) & 0x3FFu) / 1023.0 * 2.0 - 1.0
501	);
502	float d = dot(p, p);
503	return vec4(1.0 - d, sqrt(max(0.0, 2.0 - d)) * p);
504}
505vec3 getScale() {
506	uint data = cachedTransformA.a;
507	float sx = float(data & 0xFFu);
508	float sy = float((data >> 8u) & 0xFFu);
509	float sz = float((data >> 16u) & 0xFFu);
510	const float logRange = 21.0 / 255.0;
511	const float logMin = -12.0;
512	return vec3(
513		sx == 0.0 ? 0.0 : exp(sx * logRange + logMin),
514		sy == 0.0 ? 0.0 : exp(sy * logRange + logMin),
515		sz == 0.0 ? 0.0 : exp(sz * logRange + logMin)
516	);
517}
518`,ND=`
519void writeSplat(vec3 center, vec4 rotation, vec3 scale, vec4 color) {
520	vec3 rgb = clamp(color.rgb, 0.0, 4.0);
521	uint rBits = uint(rgb.r * (2047.0 / 4.0) + 0.5);
522	uint gBits = uint(rgb.g * (2047.0 / 4.0) + 0.5);
523	uint bBits = uint(rgb.b * (1023.0 / 4.0) + 0.5);
524	writeDataColor(uvec4(rBits | (gBits << 11u) | (bBits << 22u), 0u, 0u, 0u));
525	#ifndef GSPLAT_COLOR_ONLY
526		vec4 q = rotation;
527		if (q.w < 0.0) q = -q;
528		vec3 p = q.xyz * inversesqrt(1.0 + q.w);
529		uint aBitsQ = uint(clamp((p.x * 0.5 + 0.5) * 2047.0 + 0.5, 0.0, 2047.0));
530		uint bBitsQ = uint(clamp((p.y * 0.5 + 0.5) * 2047.0 + 0.5, 0.0, 2047.0));
531		uint cBitsQ = uint(clamp((p.z * 0.5 + 0.5) * 1023.0 + 0.5, 0.0, 1023.0));
532		uint packedQuat = aBitsQ | (bBitsQ << 11u) | (cBitsQ << 22u);
533		const float invLogRange = 255.0 / 21.0;
534		const float logMin = -12.0;
535		uint sxBits = scale.x < 1e-10 ? 0u : uint(clamp((log(scale.x) - logMin) * invLogRange + 0.5, 1.0, 255.0));
536		uint syBits = scale.y < 1e-10 ? 0u : uint(clamp((log(scale.y) - logMin) * invLogRange + 0.5, 1.0, 255.0));
537		uint szBits = scale.z < 1e-10 ? 0u : uint(clamp((log(scale.z) - logMin) * invLogRange + 0.5, 1.0, 255.0));
538		uint alphaBits = uint(clamp(color.a, 0.0, 1.0) * 255.0 + 0.5);
539		uint packedScaleAlpha = sxBits | (syBits << 8u) | (szBits << 16u) | (alphaBits << 24u);
540		writeDataTransformA(uvec4(floatBitsToUint(center.x), floatBitsToUint(center.y), floatBitsToUint(center.z), packedScaleAlpha));
541		writeDataTransformB(uvec4(packedQuat, 0u, 0u, 0u));
542	#endif
543}
544`,kD=`
545uvec4 cachedTransformA;
546uvec2 cachedTransformB;
547vec4 cachedColor;
548vec3 getCenter() {
549	cachedTransformA = loadDataTransformA();
550	cachedTransformB = loadDataTransformB().xy;
551	return vec3(uintBitsToFloat(cachedTransformA.r), uintBitsToFloat(cachedTransformA.g), uintBitsToFloat(cachedTransformA.b));
552}
553float getOpacity() {
554	#ifdef GSPLAT_COLOR_FLOAT
555		cachedColor = loadDataColor();
556	#else
557		uvec4 packedColor = loadDataColor();
558		uint packed_rg = packedColor.r | (packedColor.g << 16u);
559		uint packed_ba = packedColor.b | (packedColor.a << 16u);
560		cachedColor = vec4(unpackHalf2x16(packed_rg), unpackHalf2x16(packed_ba));
561	#endif
562	return cachedColor.a;
563}
564vec3 getColor() {
565	return cachedColor.rgb;
566}
567vec4 getRotation() {
568	vec2 rotXY = unpackHalf2x16(cachedTransformA.a);
569	vec2 rotZscaleX = unpackHalf2x16(cachedTransformB.x);
570	vec3 rotXYZ = vec3(rotXY, rotZscaleX.x);
571	return vec4(rotXYZ, sqrt(max(0.0, 1.0 - dot(rotXYZ, rotXYZ)))).wxyz;
572}
573vec3 getScale() {
574	vec2 rotZscaleX = unpackHalf2x16(cachedTransformB.x);
575	vec2 scaleYZ = unpackHalf2x16(cachedTransformB.y);
576	return vec3(rotZscaleX.y, scaleYZ);
577}
578`,UD=`
579void writeSplat(vec3 center, vec4 rotation, vec3 scale, vec4 color) {
580	#ifdef GSPLAT_COLOR_UINT
581		uint packed_rg = packHalf2x16(color.rg);
582		uint packed_ba = packHalf2x16(color.ba);
583		writeDataColor(uvec4(
584			packed_rg & 0xFFFFu,
585			packed_rg >> 16u,
586			packed_ba & 0xFFFFu,
587			packed_ba >> 16u
588		));
589	#else
590		writeDataColor(color);
591	#endif
592	#ifndef GSPLAT_COLOR_ONLY
593		writeDataTransformA(uvec4(floatBitsToUint(center.x), floatBitsToUint(center.y), floatBitsToUint(center.z), packHalf2x16(rotation.xy)));
594		writeDataTransformB(uvec4(packHalf2x16(vec2(rotation.z, scale.x)), packHalf2x16(scale.yz), 0u, 0u));
595	#endif
596}
597`,zD=`
598var<private> cachedTransformA: vec4u;
599fn getCenter() -> vec3f {
600	cachedTransformA = loadDataTransformA();
601	return vec3f(bitcast<f32>(cachedTransformA.r), bitcast<f32>(cachedTransformA.g), bitcast<f32>(cachedTransformA.b));
602}
603fn getOpacity() -> f32 {
604	return f32(cachedTransformA.a >> 24u) / 255.0;
605}
606fn getColor() -> vec3f {
607	let data = loadDataColor().x;
608	let r = f32(data & 0x7FFu) * (4.0 / 2047.0);
609	let g = f32((data >> 11u) & 0x7FFu) * (4.0 / 2047.0);
610	let b = f32((data >>

610 22u) & 0x3FFu) * (4.0 / 1023.0);
611	return vec3f(r, g, b);
612}
613fn getRotation() -> vec4f {
614	let data = loadDataTransformB().x;
615	let p = vec3f(
616		f32(data & 0x7FFu) / 2047.0 * 2.0 - 1.0,
617		f32((data >> 11u) & 0x7FFu) / 2047.0 * 2.0 - 1.0,
618		f32((data >> 22u) & 0x3FFu) / 1023.0 * 2.0 - 1.0
619	);
620	let d = dot(p, p);
621	return vec4f(1.0 - d, sqrt(max(0.0, 2.0 - d)) * p);
622}
623fn getScale() -> vec3f {
624	let data = cachedTransformA.a;
625	let sx = f32(data & 0xFFu);
626	let sy = f32((data >> 8u) & 0xFFu);
627	let sz = f32((data >> 16u) & 0xFFu);
628	let logRange = 21.0 / 255.0;
629	let logMin = -12.0;
630	return vec3f(
631		select(exp(sx * logRange + logMin), 0.0, sx == 0.0),
632		select(exp(sy * logRange + logMin), 0.0, sy == 0.0),
633		select(exp(sz * logRange + logMin), 0.0, sz == 0.0)
634	);
635}
636`,VD=`
637fn writeSplat(center: vec3f, rotation: vec4f, scale: vec3f, color: vec4f) {
638	let rgb = clamp(color.rgb, vec3f(0.0), vec3f(4.0));
639	let rBits = u32(rgb.r * (2047.0 / 4.0) + 0.5);
640	let gBits = u32(rgb.g * (2047.0 / 4.0) + 0.5);
641	let bBits = u32(rgb.b * (1023.0 / 4.0) + 0.5);
642	writeDataColor(vec4u(rBits | (gBits << 11u) | (bBits << 22u), 0u, 0u, 0u));
643	#ifndef GSPLAT_COLOR_ONLY
644		var q = rotation;
645		if (q.w < 0.0) { q = -q; }
646		let p = q.xyz * inverseSqrt(1.0 + q.w);
647		let aBitsQ = u32(clamp(p.x * 0.5 + 0.5, 0.0, 1.0) * 2047.0 + 0.5);
648		let bBitsQ = u32(clamp(p.y * 0.5 + 0.5, 0.0, 1.0) * 2047.0 + 0.5);
649		let cBitsQ = u32(clamp(p.z * 0.5 + 0.5, 0.0, 1.0) * 1023.0 + 0.5);
650		let packedQuat = aBitsQ | (bBitsQ << 11u) | (cBitsQ << 22u);
651		let invLogRange = 255.0 / 21.0;
652		let logMin = -12.0;
653		let sxBits = select(u32(clamp((log(scale.x) - logMin) * invLogRange + 0.5, 1.0, 255.0)), 0u, scale.x < 1e-10);
654		let syBits = select(u32(clamp((log(scale.y) - logMin) * invLogRange + 0.5, 1.0, 255.0)), 0u, scale.y < 1e-10);
655		let szBits = select(u32(clamp((log(scale.z) - logMin) * invLogRange + 0.5, 1.0, 255.0)), 0u, scale.z < 1e-10);
656		let alphaBits = u32(clamp(color.a, 0.0, 1.0) * 255.0 + 0.5);
657		let packedScaleAlpha = sxBits | (syBits << 8u) | (szBits << 16u) | (alphaBits << 24u);
658		writeDataTransformA(vec4u(bitcast<u32>(center.x), bitcast<u32>(center.y), bitcast<u32>(center.z), packedScaleAlpha));
659		writeDataTransformB(vec4u(packedQuat, 0u, 0u, 0u));
660	#endif
661}
662`,GD=`
663var<private> cachedTransformA: vec4u;
664var<private> cachedTransformB: vec2u;
665var<private> cachedColor: vec4f;
666fn getCenter() -> vec3f {
667	cachedTransformA = loadDataTransformA();
668	cachedTransformB = loadDataTransformB().xy;
669	return vec3f(bitcast<f32>(cachedTransformA.r), bitcast<f32>(cachedTransformA.g), bitcast<f32>(cachedTransformA.b));
670}
671fn getOpacity() -> f32 {
672	#ifdef GSPLAT_COLOR_FLOAT
673		cachedColor = loadDataColor();
674	#else
675		let packedColor = loadDataColor();
676		let packed_rg = packedColor.r | (packedColor.g << 16u);
677		let packed_ba = packedColor.b | (packedColor.a << 16u);
678		cachedColor = vec4f(unpack2x16float(packed_rg), unpack2x16float(packed_ba));
679	#endif
680	return cachedColor.a;
681}
682fn getColor() -> vec3f {
683	return cachedColor.rgb;
684}
685fn getRotation() -> vec4f {
686	let rotXY = unpack2x16float(cachedTransformA.a);
687	let rotZscaleX = unpack2x16float(cachedTransformB.x);
688	let rotXYZ = vec3f(rotXY, rotZscaleX.x);
689	return vec4f(rotXYZ, sqrt(max(0.0, 1.0 - dot(rotXYZ, rotXYZ)))).wxyz;
690}
691fn getScale() -> vec3f {
692	let rotZscaleX = unpack2x16float(cachedTransformB.x);
693	let scaleYZ = unpack2x16float(cachedTransformB.y);
694	return vec3f(rotZscaleX.y, scaleYZ);
695}
696`,HD=`
697fn writeSplat(center: vec3f, rotation: vec4f, scale: vec3f, color: vec4f) {
698	writeDataColor(color);
699	#ifndef GSPLAT_COLOR_ONLY
700		writeDataTransformA(vec4u(bitcast<u32>(center.x), bitcast<u32>(center.y), bitcast<u32>(center.z), pack2x16float(rotation.xy)));
701		writeDataTransformB(vec4u(pack2x16float(vec2f(rotation.z, scale.x)), pack2x16float(scale.yz), 0u, 0u));
702	#endif
703}
704`;class WD{_material=new ei;_format;_device;_dataFormat=up;constructor(e){this._device=e,this._format=this._createFormat(up),this._material.setParameter("alphaClip",.3),this._material.setParameter("alphaClipForward",1/255),this._material.setParameter("minPixelSize",2),this._material.setParameter("minContribution",3)}_createFormat(e){let t;

704if(e===up)t=new ca(this._device,[{name:"dataColor",format:js},{name:"dataTransformA",format:Wt},{name:"dataTransformB",format:js}],{readGLSL:BD,readWGSL:zD}),t.setWriteCode(ND,VD);else{const s=this._device.getRenderableHdrFormat([Ge])||Vi;t=new ca(this._device,[{name:"dataColor",format:s},{name:"dataTransformA",format:Wt},{name:"dataTransformB",format:Nc}],{readGLSL:kD,readWGSL:GD}),t.setWriteCode(UD,HD)}return t.allowStreamRemoval=!0,t}radialSorting=!1;_renderer=hS;_currentRenderer=To;set renderer(e){this._renderer!==e&&(this._renderer=e,e===hS?this._currentRenderer=To:(e===Pd||e===uo)&&!this._device.isWebGPU?this._currentRenderer=To:this._currentRenderer=e)}get renderer(){return this._renderer}get currentRenderer(){return this._currentRenderer}dirty=!1;_debug=ol;set debug(e){if(this._debug!==e){const t=this._debug;this._debug=e,(e===Bl||t===Bl||e===e_||t===e_)&&(this.dirty=!0)}}get debug(){return this._debug}set colorizeLod(e){this.debug=e?Bl:ol}get colorizeLod(){return this._debug===Bl}set debugAabbs(e){this.debug=e?dS:ol}get debugAabbs(){return this._debug===dS}set debugNodeAabbs(e){this.debug=e?uS:ol}get debugNodeAabbs(){return this._debug===uS}_enableIds=!1;set enableIds(e){e&&!this._enableIds?(this._enableIds=!0,this._format.getStream("pcId")||this._format.addExtraStreams([{name:"pcId",format:js}])):!e&&this._enableIds&&(this._enableIds=!1,this._format.removeExtraStreams(["pcId"]))}get enableIds(){return this._enableIds}lodUpdateDistance=1;lodUpdateAngle=0;_lodBehindPenalty=1;set lodBehindPenalty(e){this._lodBehindPenalty!==e&&(this._lodBehindPenalty=e,this.dirty=!0)}get lodBehindPenalty(){return this._lodBehindPenalty}_lodRangeMin=0;set lodRangeMin(e){this._lodRangeMin!==e&&(this._lodRangeMin=e,this.dirty=!0)}get lodRangeMin(){return this._lodRangeMin}_lodRangeMax=10;set lodRangeMax(e){this._lodRangeMax!==e&&(this._lodRangeMax=e,this.dirty=!0)}get lodRangeMax(){return this._lodRangeMax}_lodUnderfillLimit=0;set lodUnderfillLimit(e){this._lodUnderfillLimit!==e&&(this._lodUnderfillLimit=e,this.dirty=!0)}get lodUnderfillLimit(){return this._lodUnderfillLimit}_splatBudget=0;set splatBudget(e){this._splatBudget!==e&&(this._splatBudget=e,this.dirty=!0)}get splatBudget(){return this._splatBudget}_colorRamp=null;set colorRamp(e){this._colorRamp!==e&&(this._colorRamp=e,this.dirty=!0)}get colorRamp(){return this._colorRamp}colorRampIntensity=1;useFog=!0;set colorizeColorUpdate(e){this.debug=e?Jm:ol}get colorizeColorUpdate(){return this._debug===Jm}colorUpdateAngle=10;set colorUpdateDistance(e){}get colorUpdateDistance(){return 0}set colorUpdateDistanceLodScale(e){}get colorUpdateDistanceLodScale(){return 0}set colorUpdateAngleLodScale(e){}get colorUpdateAngleLodScale(){return 0}set alphaClip(e){this._material.setParameter("alphaClip",e),this._material.update()}get alphaClip(){return this._material.getParameter("alphaClip")?.data??.3}set alphaClipForward(e){this._material.setParameter("alphaClipForward",e),this._material.update()}get alphaClipForward(){return this._material.getParameter("alphaClipForward")?.data??1/255}set minPixelSize(e){this._material.setParameter("minPixelSize",e),this._material.update()}get minPixelSize(){return this._material.getParameter("minPixelSize")?.data??2}set minContribution(e){this._material.setParameter("minContribution",e),this._material.update()}get minContribution(){return this._material.getParameter("minContribution")?.data??3}set antiAlias(e){this._material.setDefine("GSPLAT_AA",e),this._material.update()}get antiAlias(){return!!this._material.getDefine("GSPLAT_AA")}set twoDimensional(e){this._material.setDefine("GSPLAT_2DGS",e),this._material.update()}get twoDimensional(){return!!this._material.getDefine("GSPLAT_2DGS")}_fisheye=0;set fisheye(e){if(this._fisheye!==e){const t=this._fisheye>0;this._fisheye=e;const s=e>0;t!==s&&(this._material.setDefine("GSPLAT_FISHEYE",s),this._material.update())}}get fisheye(){return this._fisheye}cooldownTicks=100;set dataFormat(e){if(this._dataFormat!==e){this._dataFormat=e;const t=this._format.extraStreams.map(s=>({name:s.name,format:s.format,storage:s.storage}));this._format=this._createFormat(e),t.length>0&&this._format.addExtraStreams(t),this.dirty=!0}}get dataFormat(){return this._dataFormat}get material(){return this._material}get format(){return this._format}frameEnd(){this._material.dirty=!1,this.dirty=!1}}class sw{enabled=!1;k=1;invK=1;cornerScale=1;projMat00=1;projMat11=1;maxTheta=Math.PI;_lastT=-1;_lastFov=-1;_lastP00=0;_lastP11=0;

704update(e,t,s){s.data[15]===1&&(e=0);const i=s.data[0],r=s.data[5];if(e===this._lastT&&t===this._lastFov&&i===this._lastP00&&r===this._lastP11)return;if(this._lastT=e,this._lastFov=t,this._lastP00=i,this._lastP11=r,e<=0){this.enabled=!1,this.k=1,this.invK=1,this.cornerScale=1,this.maxTheta=Math.PI;return}this.enabled=!0;const a=t/180+.15,n=Math.max(1,t/180+.05),o=n*Math.pow(a/n,e);this.k=o,this.invK=1/o,this.cornerScale=1+(Math.SQRT2-1)*e;const c=Math.min(o*Math.PI/2,3.13),h=this.cornerScale,d=Math.atan2(1,i),u=Math.min(d,c-.01);this.projMat00=h/(o*Math.tan(u/o));const f=Math.atan2(1,r),p=Math.min(f,c-.01);this.projMat11=h/(o*Math.tan(p/o)),this.maxTheta=c}}const XD={linear:"decodeLinear",srgb:"decodeGamma",rgbm:"decodeRGBM",rgbe:"decodeRGBE",rgbp:"decodeRGBP",xy:"unpackNormalXY",xyz:"unpackNormalXYZ"},YD={linear:"encodeLinear",srgb:"encodeGamma",rgbm:"encodeRGBM",rgbe:"encodeRGBE",rgbp:"encodeRGBP"};class ta{static decodeFunc(e){return XD[e]??"decodeGamma"}static encodeFunc(e){return YD[e]??"encodeGamma"}}const iw=(l,e)=>{const t=e.length/3,s=l.length/3,i=new E,r=new E,a=new E,n=new E,o=new E,c=new E,h=[];for(let d=0;d<l.length;d++)h[d]=0;for(let d=0;d<t;d++){const u=e[d*3],f=e[d*3+1],p=e[d*3+2];i.set(l[u*3],l[u*3+1],l[u*3+2]),r.set(l[f*3],l[f*3+1],l[f*3+2]),a.set(l[p*3],l[p*3+1],l[p*3+2]),n.sub2(r,i),o.sub2(a,i),c.cross(n,o).normalize(),h[u*3]+=c.x,h[u*3+1]+=c.y,h[u*3+2]+=c.z,h[f*3]+=c.x,h[f*3+1]+=c.y,h[f*3+2]+=c.z,h[p*3]+=c.x,h[p*3+1]+=c.y,h[p*3+2]+=c.z}for(let d=0;d<s;d++){const u=h[d*3],f=h[d*3+1],p=h[d*3+2],m=1/Math.sqrt(u*u+f*f+p*p);h[d*3]*=m,h[d*3+1]*=m,h[d*3+2]*=m}return h},ma=(l,e,t,s)=>{const i=s.length/3,r=l.length/3,a=new E,n=new E,o=new E,c=new j,h=new j,d=new j,u=new E,f=new E,p=new Float32Array(r*3),m=new Float32Array(r*3),_=[];for(let S=0;S<i;S++){const T=s[S*3],w=s[S*3+1],C=s[S*3+2];a.set(l[T*3],l[T*3+1],l[T*3+2]),n.set(l[w*3],l[w*3+1],l[w*3+2]),o.set(l[C*3],l[C*3+1],l[C*3+2]),c.set(t[T*2],t[T*2+1]),h.set(t[w*2],t[w*2+1]),d.set(t[C*2],t[C*2+1]);const b=n.x-a.x,I=o.x-a.x,P=n.y-a.y,L=o.y-a.y,O=n.z-a.z,D=o.z-a.z,N=h.x-c.x,k=d.x-c.x,A=h.y-c.y,M=d.y-c.y,R=N*M-k*A;if(R===0)u.set(0,1,0),f.set(1,0,0);else{const F=1/R;u.set((M*b-A*I)*F,(M*P-A*L)*F,(M*O-A*D)*F),f.set((N*I-k*b)*F,(N*L-k*P)*F,(N*D-k*O)*F)}p[T*3+0]+=u.x,p[T*3+1]+=u.y,p[T*3+2]+=u.z,p[w*3+0]+=u.x,p[w*3+1]+=u.y,p[w*3+2]+=u.z,p[C*3+0]+=u.x,p[C*3+1]+=u.y,p[C*3+2]+=u.z,m[T*3+0]+=f.x,m[T*3+1]+=f.y,m[T*3+2]+=f.z,m[w*3+0]+=f.x,m[w*3+1]+=f.y,m[w*3+2]+=f.z,m[C*3+0]+=f.x,m[C*3+1]+=f.y,m[C*3+2]+=f.z}const g=new E,v=new E,x=new E,y=new E;for(let S=0;S<r;S++){x.set(e[S*3],e[S*3+1],e[S*3+2]),g.set(p[S*3],p[S*3+1],p[S*3+2]),v.set(m[S*3],m[S*3+1],m[S*3+2]);const T=x.dot(g);y.copy(x).mulScalar(T),y.sub2(g,y).normalize(),_[S*4]=y.x,_[S*4+1]=y.y,_[S*4+2]=y.z,y.cross(x,g),_[S*4+3]=y.dot(v)<0?-1:1}return _};class un{positions;normals;colors;uvs;uvs1;blendIndices;blendWeights;tangents;indices;calculateNormals(){this.normals=iw(this.positions,this.indices)}calculateTangents(){this.tangents=ma(this.positions,this.normals,this.uvs,this.indices)}}const r_=8/64,hy=1-r_*2;class a_ extends un{constructor(e={}){super();const t=e.halfExtents??new E(.5,.5,.5),s=e.widthSegments??1,i=e.lengthSegments??1,r=e.heightSegments??1,a=e.yOffset??0,n=-t.y+a,o=t.y+a,c=[new E(-t.x,n,t.z),new E(t.x,n,t.z),new E(t.x,o,t.z),new E(-t.x,o,t.z),new E(t.x,n,-t.z),new E(-t.x,n,-t.z),new E(-t.x,o,-t.z),new E(t.x,o,-t.z)],h=[[0,1,3],[4,5,7],[3,2,6],[1,0,4],[1,4,2],[5,0,6]],d=[[0,0,1],[0,0,-1],[0,1,0],[0,-1,0],[1,0,0],[-1,0,0]],u={FRONT:0,BACK:1,TOP:2,BOTTOM:3,RIGHT:4,LEFT:5},f=[],p=[],m=[],_=[],g=[];let v=0;const x=(y,S,T)=>{const w=new E,C=new E,b=new E,I=new E;for(let P=0;P<=S;P++)for(let L=0;L<=T;L++){w.lerp(c[h[y][0]],c[h[y][1]],P/S),C.lerp(c[h[y][0]],c[h[y][2]],L/T),b.sub2(C,c[h[y][0]]),I.add2(w,b);let O=P/S,D=L/T;f.push(I.x,I.y,I.z),p.push(d[y][0],d[y][1],d[y][2]),m.push(O,1-D),O=O*hy+r_,D=D*hy+r_,O/=3,D/=3,O+=y%3/3,D+=Math.floor(y/3)/3,_.push(O,1-D),P<S&&L<T&&(g.push(v+T+1,v+1,v),g.push(v+T+1,v+T+2,v+1)),v++}};x(u.FRONT,s,r),x(u.BACK,s,r),x(u.TOP,s,i),x(u.BOTTOM,s,i),x(u.RIGHT,i,r),x(u.LEFT,i,r),this.positions=f,this.normals=p,this.uvs=m,this.uvs1=_,this.indices=g,e.calculateTangents&&(this.tangents=ma(f,p,m,g))}}class rw extends un{constructor(e={}){super();

704const t=e.radius??.5,s=e.latitudeBands??16,i=e.longitudeBands??16,r=[],a=[],n=[],o=[];for(let c=0;c<=s;c++){const h=c*Math.PI/s,d=Math.sin(h),u=Math.cos(h);for(let f=0;f<=i;f++){const p=f*2*Math.PI/i-Math.PI/2,m=Math.sin(p),g=Math.cos(p)*d,v=u,x=m*d,y=1-f/i,S=1-c/s;r.push(g*t,v*t,x*t),a.push(g,v,x),n.push(y,1-S)}}for(let c=0;c<s;++c)for(let h=0;h<i;++h){const d=c*(i+1)+h,u=d+i+1;o.push(d+1,u,d),o.push(d+1,u+1,u)}this.positions=r,this.normals=a,this.uvs=n,this.uvs1=n,this.indices=o,e.calculateTangents&&(this.tangents=ma(r,a,n,o))}}class jD extends rw{constructor(e={}){const s=e.latitudeBands??16,i=e.longitudeBands??16;super({radius:.5,latitudeBands:s,longitudeBands:i});const r=.1,a=.95,n=a*a,o=this.positions;for(let c=0;c<o.length;c+=3){const h=o[c]/.5;let d=o[c+1]/.5;const u=o[c+2]/.5;d<0&&(d*=.3,h*h+u*u<n&&(d=-r)),d+=r,d*=.5,o[c+1]=d}}}class $l{static create(e,t){switch(t){case FI:return $l.box(e);case OI:return $l.dome(e)}return $l.infinite(e)}static infinite(e){return at.fromGeometry(e,new a_(e))}static box(e){return at.fromGeometry(e,new a_({yOffset:.5}))}static dome(e){const t=new jD({latitudeBands:50,longitudeBands:50});return t.normals=void 0,t.uvs=void 0,at.fromGeometry(e,t)}}class qD{meshInstance=null;_depthWrite=!1;constructor(e,t,s,i,r){const a=new ei({uniqueName:"SkyMaterial",vertexGLSL:be.get(e,ze).get("skyboxVS"),fragmentGLSL:be.get(e,ze).get("skyboxPS"),vertexWGSL:be.get(e,de).get("skyboxVS"),fragmentWGSL:be.get(e,de).get("skyboxPS"),attributes:{aPosition:Ie}});a.setDefine("{SKYBOX_DECODE_FNC}",ta.decodeFunc(i.encoding)),r!==no&&a.setDefine("SKYMESH",""),i.cubemap&&a.setDefine("SKY_CUBEMAP",""),a.setParameter("skyboxHighlightMultiplier",t.skyboxHighlightMultiplier),i.cubemap?a.setParameter("texture_cubeMap",i):(a.setParameter("texture_envAtlas",i),a.setParameter("mipLevel",t.skyboxMip)),a.cull=Bx,a.depthWrite=this._depthWrite;const n=t.layers.getLayerById(Pg);if(n){const o=$l.create(e,r),c=new Ne(o,a,s);this.meshInstance=c,c.cull=!1,c.pick=!1,n.addMeshInstances([c]),this.skyLayer=n}}destroy(){this.meshInstance&&(this.skyLayer&&this.skyLayer.removeMeshInstances([this.meshInstance]),this.meshInstance.destroy(),this.meshInstance=null)}set depthWrite(e){this._depthWrite=e,this.meshInstance&&(this.meshInstance.material.depthWrite=e)}get depthWrite(){return this._depthWrite}}class $D{_type=no;_center=new E(0,1,0);skyMesh=null;_depthWrite=!1;_fisheye=0;_fisheyeProj=null;node=new He("SkyMeshNode");constructor(e){this.device=e.device,this.scene=e,this.center=new E(0,1,0),this.centerArray=new Float32Array(3),this.projectedSkydomeCenterId=this.device.scope.resolve("projectedSkydomeCenter"),this._preRenderEvt=e.on("prerender",this._onPreRender,this)}destroy(){this._preRenderEvt.off(),this.resetSkyMesh()}applySettings(e){this.type=e.skyType??no,this.node.setLocalPosition(new E(e.skyMeshPosition??[0,0,0])),this.node.setLocalEulerAngles(new E(e.skyMeshRotation??[0,0,0])),this.node.setLocalScale(new E(e.skyMeshScale??[1,1,1])),e.skyCenter&&(this._center=new E(e.skyCenter))}set type(e){this._type!==e&&(this._type=e,this.scene.updateShaders=!0,this.updateSkyMesh())}get type(){return this._type}set center(e){this._center.copy(e)}get center(){return this._center}set depthWrite(e){this._depthWrite!==e&&(this._depthWrite=e,this.skyMesh&&(this.skyMesh.depthWrite=e))}get depthWrite(){return this._depthWrite}set fisheye(e){if(this._fisheye!==e){const t=this._fisheye>0;this._fisheye=e;const s=e>0;t!==s&&(this._fisheyeProj??(this._fisheyeProj=new sw),this._type===no&&this._setFisheyeDefine(s))}}get fisheye(){return this._fisheye}updateSkyMesh(){const e=this.scene._getSkyboxTex();e&&(this.resetSkyMesh(),this.skyMesh=new qD(this.device,this.scene,this.node,e,this.type),this.skyMesh.depthWrite=this._depthWrite,this._fisheye>0&&this.type===no&&this._setFisheyeDefine(!0),this.scene.fire("set:skybox",e))}resetSkyMesh(){this.skyMesh?.destroy(),this.skyMesh=null}update(){if(this.type!==no){const{center:e,centerArray:t}=this,s=new E;this.node.getWorldTransform().transformPoint(e,s),t[0]=s.x,t[1]=s.y,t[2]=s.z,this.projectedSkydomeCenterId.setValue(t)}}_setFisheyeDefine(e){if(this.skyMesh?.meshInstance){const t=this.skyMesh.meshInstance.material;

704t.setDefine("SKY_FISHEYE",e),t.update()}}_onPreRender(e){if(this._fisheye>0&&this._fisheyeProj&&this.skyMesh?.meshInstance){const t=e.camera,s=this._fisheyeProj;s.update(this._fisheye,t.fov,t.projectionMatrix);const i=this.skyMesh.meshInstance.material;i.setParameter("fisheye_k",s.k),i.setParameter("fisheye_invK",s.invK),i.setParameter("fisheye_projMat00",s.projMat00),i.setParameter("fisheye_projMat11",s.projMat11)}}}const fu=new He;fu.worldTransform=Z.IDENTITY;fu._dirtyWorld=fu._dirtyNormal=!1;class KD{constructor(e,t,s){this.material=t,this.layer=s,this.positions=[],this.colors=[],this.mesh=new at(e),this.meshInstance=null}addLines(e,t){const s=this.positions,i=e.length;for(let a=0;a<i;a++){const n=e[a];s.push(n.x,n.y,n.z)}const r=this.colors;if(t.length)for(let a=0;a<i;a++){const n=t[a];r.push(n.r,n.g,n.b,n.a)}else for(let a=0;a<i;a++)r.push(t.r,t.g,t.b,t.a)}addLinesArrays(e,t){const s=this.positions;for(let r=0;r<e.length;r+=3)s.push(e[r],e[r+1],e[r+2]);const i=this.colors;if(t.length)for(let r=0;r<t.length;r+=4)i.push(t[r],t[r+1],t[r+2],t[r+3]);else{const r=e.length/3;for(let a=0;a<r;a++)i.push(t.r,t.g,t.b,t.a)}}onPreRender(e,t){this.positions.length>0&&this.material.transparent===t&&(this.mesh.setPositions(this.positions),this.mesh.setColors(this.colors),this.mesh.update(cf,!1),this.meshInstance||(this.meshInstance=new Ne(this.mesh,this.material,fu)),e.push(this.meshInstance))}clear(){this.positions.length=0,this.colors.length=0}}class ZD{constructor(e){this.device=e,this.map=new Map}getBatch(e,t){let s=this.map.get(e);return s||(s=new KD(this.device,e,t),this.map.set(e,s)),s}onPreRender(e,t){this.map.forEach(s=>{s.onPreRender(e,t)})}clear(){this.map.forEach(e=>e.clear())}}const Gs=[],Un=new E;class QD{shaderDescs=new Map;constructor(e){this.device=e,this.quadMesh=null,this.textureShader=null,this.depthTextureShader=null,this.cubeLocalPos=null,this.cubeWorldPos=null,this.batchesMap=new Map,this.allBatches=new Set,this.updatedLayers=new Set,this._materialDepth=null,this._materialNoDepth=null,this.layerMeshInstances=new Map}createMaterial(e){const t=new ei({uniqueName:"ImmediateLine",vertexGLSL:be.get(this.device,ze).get("immediateLineVS"),fragmentGLSL:be.get(this.device,ze).get("immediateLinePS"),vertexWGSL:be.get(this.device,de).get("immediateLineVS"),fragmentWGSL:be.get(this.device,de).get("immediateLinePS"),attributes:{vertex_position:Ie,vertex_color:ns}});return t.blendType=Wi,t.depthTest=e,t.update(),t}get materialDepth(){return this._materialDepth||(this._materialDepth=this.createMaterial(!0)),this._materialDepth}get materialNoDepth(){return this._materialNoDepth||(this._materialNoDepth=this.createMaterial(!1)),this._materialNoDepth}getBatch(e,t){let s=this.batchesMap.get(e);s||(s=new ZD(this.device),this.batchesMap.set(e,s)),this.allBatches.add(s);const i=t?this.materialDepth:this.materialNoDepth;return s.getBatch(i,e)}getShaderDesc(e,t,s){return this.shaderDescs.has(e)||this.shaderDescs.set(e,{uniqueName:`DebugShader:${e}`,vertexGLSL:`
705					attribute vec2 vertex_position;
706					uniform mat4 matrix_model;
707					varying vec2 uv0;
708					void main(void) {
709						gl_Position = matrix_model * vec4(vertex_position, 0, 1);
710						uv0 = vertex_position.xy + 0.5;
711					}
712				`,vertexWGSL:`
713					attribute vertex_position: vec2f;
714					uniform matrix_model: mat4x4f;
715					varying uv0: vec2f;
716					@vertex fn vertexMain(input: VertexInput) -> VertexOutput {
717						var output: VertexOutput;
718						output.position = uniform.matrix_model * vec4f(input.vertex_position, 0.0, 1.0);
719						output.uv0 = input.vertex_position.xy + vec2f(0.5);
720						return output;
721					}
722				`,fragmentGLSL:t,fragmentWGSL:s,attributes:{vertex_position:Ie}}),this.shaderDescs.get(e)}getTextureShaderDesc(e){const t=ta.decodeFunc(e);return this.getShaderDesc(`textureShader-${e}`,`
723			#include "gammaPS"
724			varying vec2 uv0;
725			uniform sampler2D colorMap;
726			void main (void) {
727				vec3 linearColor = ${t}(texture2D(colorMap, uv0));
728				gl_FragColor = vec4(gammaCorrectOutput(linearColor), 1);
729			}
730		`,`
731			#include "gammaPS"
732			varying uv0: vec2f;
733			var colorMap: texture_2d<f32>;
734			var colorMapSampler: sampler;
735			@fragment fn fragmentMain(input : FragmentInput) -> FragmentOutput {
736				var output: FragmentOutput;
737				let sampledTex = textureSample(colorMap, colorMapSampler, input.uv0);
738				let linearColor: vec3f = ${t}(sampledTex);

739				output.color = vec4f(gammaCorrectOutput(linearColor), 1.0);
740				return output;
741			}
742		`)}getUnfilterableTextureShaderDesc(){return this.getShaderDesc("textureShaderUnfilterable",`
743			varying vec2 uv0;
744			uniform highp sampler2D colorMap;
745			void main (void) {
746				ivec2 uv = ivec2(uv0 * textureSize(colorMap, 0));
747				gl_FragColor = vec4(texelFetch(colorMap, uv, 0).xyz, 1);
748			}
749		`,`
750			varying uv0: vec2f;
751			var colorMap: texture_2d<uff>;
752			@fragment fn fragmentMain(input : FragmentInput) -> FragmentOutput {
753				var output: FragmentOutput;
754				let uv : vec2<i32> = vec2<i32>(input.uv0 * vec2f(textureDimensions(colorMap, 0)));
755				let fetchedColor : vec4f = textureLoad(colorMap, uv, 0);
756				output.color = vec4f(fetchedColor.xyz, 1.0);
757				return output;
758			}
759		`)}getDepthTextureShaderDesc(){return this.getShaderDesc("depthTextureShader",`
760			#include "screenDepthPS"
761			#include "gammaPS"
762			varying vec2 uv0;
763			void main() {
764				float depth = getLinearScreenDepth(getImageEffectUV(uv0)) * camera_params.x;
765				gl_FragColor = vec4(gammaCorrectOutput(vec3(depth)), 1.0);
766			}
767		`,`
768			#include "screenDepthPS"
769			#include "gammaPS"
770			varying uv0: vec2f;
771			@fragment fn fragmentMain(input: FragmentInput) -> FragmentOutput {
772				var output: FragmentOutput;
773				let depth: f32 = getLinearScreenDepth(getImageEffectUV(input.uv0)) * uniform.camera_params.x;
774				output.color = vec4f(gammaCorrectOutput(vec3f(depth)), 1.0);
775				return output;
776			}
777		`)}getQuadMesh(){return this.quadMesh||(this.quadMesh=new at(this.device),this.quadMesh.setPositions([-.5,-.5,0,.5,-.5,0,-.5,.5,0,.5,.5,0]),this.quadMesh.update(Tr)),this.quadMesh}drawMesh(e,t,s,i,r){if(!i){const n=this.getGraphNode(t);i=new Ne(s,e,n)}let a=this.layerMeshInstances.get(r);a||(a=[],this.layerMeshInstances.set(r,a)),a.push(i)}drawWireAlignedBox(e,t,s,i,r,a){if(a){const o=(c,h,d)=>{Un.set(c,h,d),a.transformPoint(Un,Un),Gs.push(Un.x,Un.y,Un.z)};o(e.x,e.y,e.z),o(e.x,t.y,e.z),o(e.x,t.y,e.z),o(t.x,t.y,e.z),o(t.x,t.y,e.z),o(t.x,e.y,e.z),o(t.x,e.y,e.z),o(e.x,e.y,e.z),o(e.x,e.y,t.z),o(e.x,t.y,t.z),o(e.x,t.y,t.z),o(t.x,t.y,t.z),o(t.x,t.y,t.z),o(t.x,e.y,t.z),o(t.x,e.y,t.z),o(e.x,e.y,t.z),o(e.x,e.y,e.z),o(e.x,e.y,t.z),o(e.x,t.y,e.z),o(e.x,t.y,t.z),o(t.x,t.y,e.z),o(t.x,t.y,t.z),o(t.x,e.y,e.z),o(t.x,e.y,t.z)}else Gs.push(e.x,e.y,e.z,e.x,t.y,e.z,e.x,t.y,e.z,t.x,t.y,e.z,t.x,t.y,e.z,t.x,e.y,e.z,t.x,e.y,e.z,e.x,e.y,e.z,e.x,e.y,t.z,e.x,t.y,t.z,e.x,t.y,t.z,t.x,t.y,t.z,t.x,t.y,t.z,t.x,e.y,t.z,t.x,e.y,t.z,e.x,e.y,t.z,e.x,e.y,e.z,e.x,e.y,t.z,e.x,t.y,e.z,e.x,t.y,t.z,t.x,t.y,e.z,t.x,t.y,t.z,t.x,e.y,e.z,t.x,e.y,t.z);this.getBatch(r,i).addLinesArrays(Gs,s),Gs.length=0}drawWireSphere(e,t,s,i,r,a){const n=2*Math.PI/i;let o=0;for(let h=0;h<i;h++){const d=Math.sin(o),u=Math.cos(o);o+=n;const f=Math.sin(o),p=Math.cos(o);Gs.push(e.x+t*d,e.y,e.z+t*u),Gs.push(e.x+t*f,e.y,e.z+t*p),Gs.push(e.x+t*d,e.y+t*u,e.z),Gs.push(e.x+t*f,e.y+t*p,e.z),Gs.push(e.x,e.y+t*d,e.z+t*u),Gs.push(e.x,e.y+t*f,e.z+t*p)}this.getBatch(a,r).addLinesArrays(Gs,s),Gs.length=0}getGraphNode(e){const t=new He("ImmediateDebug");return t.worldTransform=e,t._dirtyWorld=t._dirtyNormal=!1,t}onPreRenderLayer(e,t,s){if(this.batchesMap.forEach((i,r)=>{r===e&&i.onPreRender(t,s)}),!this.updatedLayers.has(e)){this.updatedLayers.add(e);const i=this.layerMeshInstances.get(e);if(i){for(let r=0;r<i.length;r++)t.push(i[r]);i.length=0}}}onPostRender(){this.allBatches.forEach(e=>e.clear()),this.allBatches.clear(),this.updatedLayers.clear()}}const dy=2.399963229728653,Kc={circlePoint(l){const e=Math.sqrt(Math.random()),t=Math.random()*2*Math.PI;l.x=e*Math.cos(t),l.y=e*Math.sin(t)},circlePointDeterministic(l,e,t){const s=e*dy,i=Math.sqrt(e/t);l.x=i*Math.cos(s),l.y=i*Math.sin(s)},spherePointDeterministic(l,e,t,s=0,i=1){s=1-2*s,i=1-2*i;const r=H.lerp(s,i,e/t),a=Math.sqrt(1-r*r),n=dy*e;l.x=Math.cos(n)*a,l.y=r,l.z=Math.sin(n)*a},radicalInverse(l){let e=(l<<16|l>>>16)>>>0;return e=((e&1431655765)<<1|(e&2863311530)>>>1)>>>0,e=((e&858993459)<<2|(e&3435973836)>>>2)>>>0,e=((e&252645135)<<4|(e&4042322160)>>>4)>>>0,e=((e&16711935)<<8|(e&4278255360)>>>8)>>>0,e*23283064365386963e-26}},uy=l=>{switch(l){case Gm:return"Cubemap";case rb:return"Octahedral";default:return"Equirect"}},Gh=(l,e,t)=>{if(l<=0)e[t+0]=0,e[t+1]=0,e[t+2]=0,e[t+3]=0;else if(l>=1)e[t+0]=255,e[t+1]=0,e[t+2]=0,e[t+3]=0;else{let s=1*l%1,i=255*l%1,r=65025*l%1;const a=16581375*l%1;s-=i/255,i-=r/255,r-=a/255,e[t+0]=Math.min(255,Math.floor(s*256)),e[t+1]=Math.min(255,Math.floor(i*256)),e[t+2]=Math.min(255,Math.floor(r*256)),e[t+3]=Math.min(255,Math.floor(a*256))}},JD=l=>{const e=l.length,t=Math.min(e,512),s=Math.ceil(e/t),i=new Uint8Array(t*s*4);let r=0;for(let a=0;a<e;a+=4)Gh(l[a+0]*.5+.5,i,r+0),Gh(l[a+1]*.5+.5,i,r+4),Gh(l[a+2]*.5+.5,i,r+8),Gh(l[a+3]/8,i,r+12),r+=16;return{width:t,height:s,data:i}},eM=(l,e,t,s)=>{const i=t*2*Math.PI,r=Math.pow(1-e,1/(s+1)),a=Math.sqrt(1-r*r);l.set(Math.cos(i)*a,Math.sin(i)*a,r).normalize()},tM=(l,e,t)=>{const s=t*2*Math.PI,i=Math.sqrt(1-e),r=Math.sqrt(e);l.set(Math.cos(s)*r,Math.sin(s)*r,i).normalize()},sM=(l,e,t,s)=>{const i=t*2*Math.PI,r=Math.sqrt((1-e)/(1+(s*s-1)*e)),a=Math.sqrt(1-r*r);l.set(Math.cos(i)*a,Math.sin(i)*a,r).normalize()},iM=(l,e)=>{const t=l*e,s=e/(1-l*l+t*t);return s*s*(1/Math.PI)},rM=(l,e)=>{const t=new E,s=[];for(let i=0;i<l;++i)eM(t,i/l,Kc.radicalInverse(i),e),s.push(t.x,t.y,t.z,0);return s},aM=(l,e)=>{const t=e/l,s=new E,i=[];for(let r=0;r<l;++r){tM(s,r/l,Kc.radicalInverse(r));const a=s.z/Math.PI,n=.5*Math.log2(t/a);i.push(s.x,s.y,s.z,n)}return i},nM={16:{2:26,8:20,32:17,128:16,512:16},32:{2:53,8:40,32:34,128:32,512:32},128:{2:214,8:163,32:139,128:130,512:128},1024:{2:1722,8:1310,32:1114,128:1041,512:1025}},oM=(l,e)=>{const t=nM[l];return t&&t[e]||l},lM=(l,e,t)=>{const s=t/l,i=1-Math.log2(e)/11,r=i*i,a=new E,n=new E,o=new E(0,0,1),c=[],h=oM(l,e);for(let d=0;d<h;++d){sM(a,d/h,Kc.radicalInverse(d),r);const u=a.z;if(n.set(a.x,a.y,a.z).mulScalar(2*u).sub(o),n.z>0){const f=iM(Math.min(1,u),r)/4+.001,p=.5*Math.log2(s/f);c.push(n.x,n.y,n.z,p)}}for(;c.length<l*4;)c.push(0,0,0,0);return c},cM=(l,e,t)=>{const s=JD(t);return new ce(l,{name:e,width:s.width,height:s.height,mipmaps:!1,minFilter:Fe,magFilter:Fe,levels:[s.data]})};class aw{constructor(e=!0){this.destroyContent=e}map=new Map;

777destroy(){this.destroyContent&&this.map.forEach((e,t)=>{e.destroy()})}get(e,t){if(!this.map.has(e)){const s=t();return this.map.set(e,s),s}return this.map.get(e)}}const hM=new aw(!1),dM=new Jt,Vg=(l,e,t)=>dM.get(l,()=>new aw).get(e,()=>cM(l,e,hM.get(e,t))),uM=(l,e,t)=>{const s=`lambert-samples-${e}-${t}`;return Vg(l,s,()=>aM(e,t))},fM=(l,e,t)=>{const s=`phong-samples-${e}-${t}`;return Vg(l,s,()=>rM(e,t))},pM=(l,e,t,s)=>{const i=`ggx-samples-${e}-${t}-${s}`;return Vg(l,i,()=>lM(e,t,s))};function Ji(l,e,t={}){const s=t.seamPixels??0,i=(t.rect?.z??e.width)-s*2,r=(t.rect?.w??e.height)-s*2;if(i<1||r<1)return!1;const a={none:"reproject",lambert:"prefilterSamplesUnweighted",phong:"prefilterSamplesUnweighted",ggx:"prefilterSamples"},n=t.hasOwnProperty("specularPower")?t.specularPower:1,o=t.hasOwnProperty("face")?t.face:null,c=t.hasOwnProperty("distribution")?t.distribution:n===1?"none":"phong",h=a[c]||"reproject",d=h.startsWith("prefilterSamples"),u=ta.decodeFunc(l.encoding),f=ta.encodeFunc(e.encoding),p=`sample${uy(l.projection)}`,m=`getDirection${uy(e.projection)}`,_=t.hasOwnProperty("numSamples")?t.numSamples:1024,g=`ReprojectShader:${h}_${u}_${f}_${p}_${m}_${_}`,v=l.device;let x=ko(v).getCachedShader(g);if(!x){const C=new Map;d&&C.set("USE_SAMPLES_TEX",""),l.cubemap&&C.set("CUBEMAP_SOURCE",""),C.set("{PROCESS_FUNC}",h),C.set("{DECODE_FUNC}",u),C.set("{ENCODE_FUNC}",f),C.set("{SOURCE_FUNC}",p),C.set("{TARGET_FUNC}",m),C.set("{NUM_SAMPLES}",_),C.set("{NUM_SAMPLES_SQRT}",Math.round(Math.sqrt(_)).toFixed(1)),x=Qt.createShader(v,{uniqueName:g,attributes:{vertex_position:Ie},vertexChunk:"reprojectVS",fragmentChunk:"reprojectPS",fragmentDefines:C})}v.setBlendState(xt.NOBLEND),v.scope.resolve(l.cubemap?"sourceCube":"sourceTex").setValue(l);const S=v.scope.resolve("params"),T=v.scope.resolve("uvMod");s>0?T.setValue([(i+s*2)/i,(r+s*2)/r,-s/i,-s/r]):T.setValue([1,1,0,0]);const w=[0,e.width*e.height*(e.cubemap?6:1),l.width*l.height*(l.cubemap?6:1)];if(d){const C=l.width*l.height*(l.cubemap?6:1),b=c==="ggx"?pM(v,_,n,C):c==="lambert"?uM(v,_,C):fM(v,_,n);v.scope.resolve("samplesTex").setValue(b),v.scope.resolve("samplesTexInverseSize").setValue([1/b.width,1/b.height])}for(let C=0;C<(e.cubemap?6:1);C++)if(o===null||C===o){const b=new St({colorBuffer:e,face:C,depth:!1,flipY:v.isWebGPU});w[0]=C,S.setValue(w),cn(v,b,x,t?.rect),b.destroy()}return!0}const kp=(l,e=0)=>1+Math.floor(Math.log2(Math.max(l,e))),mM=l=>l.textureHalfFloatRenderable,_M=l=>l.textureFloatRenderable,gM=l=>mM(l)?Ge:_M(l)?mt:Re,vM=l=>Re,SM=(l,e,t,s)=>new ce(l,{name:`lighting-${e}`,cubemap:!0,width:e,height:e,format:t,type:ac,addressU:ue,addressV:ue,mipmaps:!1});class nw{static generateSkyboxCubemap(e,t){const s=e.device,i=SM(s,t||(e.cubemap?e.width:e.width/4),Re);return Ji(e,i,{numSamples:1024}),i}static generateLightingSource(e,t){const s=e.device,i=gM(s),r=t?.target||new ce(s,{name:"lighting-source",cubemap:!0,width:t?.size||128,height:t?.size||128,format:i,type:i===Re?ac:Qs,addressU:ue,addressV:ue,mipmaps:!0});return Ji(e,r,{numSamples:e.mipmaps?1:1024}),r}static generateAtlas(e,t){const s=e.device,i=vM(),r=t?.target||new ce(s,{name:"envAtlas",width:t?.size||512,height:t?.size||512,format:i,type:ac,projection:yv,addressU:ue,addressV:ue,mipmaps:!1}),a=r.width/512,n=new ie(0,0,512*a,256*a),o=kp(256)-kp(4);for(let c=0;c<o;++c)Ji(e,r,{numSamples:1,rect:n,seamPixels:a}),n.x+=n.w,n.y+=n.w,n.z=Math.max(1,Math.floor(n.z*.5)),n.w=Math.max(1,Math.floor(n.w*.5));n.set(0,256*a,256*a,128*a);for(let c=1;c<7;++c)Ji(e,r,{numSamples:t?.numReflectionSamples||1024,distribution:t?.distribution||"ggx",specularPower:Math.max(1,2048>>c*2),rect:n,seamPixels:a}),n.y+=n.w,n.z=Math.max(1,Math.floor(n.z*.5)),n.w=Math.max(1,Math.floor(n.w*.5));return n.set(128*a,384*a,64*a,32*a),Ji(e,r,{numSamples:t?.numAmbientSamples||2048,distribution:"lambert",rect:n,seamPixels:a}),r}static generatePrefilteredAtlas(e,t){const s=e[0].device,i=e[0].format,r=e[0].type,a=t?.target||new ce(s,{name:"envPrefilteredAtlas",width:t?.size||512,height:t?.size||512,format:i,type:r,projection:yv,addressU:ue,addressV:ue,mipmaps:!1}),n=a.width/512,o=new ie(0,0,512*n,256*n),c=kp(512);for(let h=0;h<c;++h)Ji(e[0],a,{numSamples:1,rect:o,seamPixels:n}

777),o.x+=o.w,o.y+=o.w,o.z=Math.max(1,Math.floor(o.z*.5)),o.w=Math.max(1,Math.floor(o.w*.5));o.set(0,256*n,256*n,128*n);for(let h=1;h<e.length;++h)Ji(e[h],a,{numSamples:1,rect:o,seamPixels:n}),o.y+=o.w,o.z=Math.max(1,Math.floor(o.z*.5)),o.w=Math.max(1,Math.floor(o.w*.5));return o.set(128*n,384*n,64*n,32*n),t?.legacyAmbient?Ji(e[5],a,{numSamples:1,rect:o,seamPixels:n}):Ji(e[0],a,{numSamples:t?.numSamples||2048,distribution:"lambert",rect:o,seamPixels:n}),a}}class yM{type=vn;color=new Q(0,0,0);density=0;start=1;end=1e3}class ti extends ge{static EVENT_SETLAYERS="set:layers";static EVENT_SETSKYBOX="set:skybox";static EVENT_PRERENDER="prerender";static EVENT_POSTRENDER="postrender";static EVENT_PRERENDER_LAYER="prerender:layer";static EVENT_POSTRENDER_LAYER="postrender:layer";static EVENT_PRECULL="precull";static EVENT_POSTCULL="postcull";ambientBake=!1;ambientBakeOcclusionBrightness=0;ambientBakeOcclusionContrast=0;ambientLight=new Q(0,0,0);ambientLuminance=0;exposure=1;lightmapSizeMultiplier=1;lightmapMaxResolution=2048;lightmapMode=bd;lightmapFilterEnabled=!1;lightmapHDR=!1;root=null;physicalUnits=!1;_envAtlas=null;_skyboxCubeMap=null;_fogParams=new yM;forcePassThroughSpecular=!1;constructor(e){super(),this.device=e,this._gravity=new E(0,-9.8,0),this._layers=null,this._prefilteredCubemaps=[],this._internalEnvAtlas=null,this._skyboxIntensity=1,this._skyboxLuminance=0,this._skyboxMip=0,this._skyboxHighlightMultiplier=1,this._skyboxRotationShaderInclude=!1,this._skyboxRotation=new ae,this._skyboxRotationMat3=new xi,this._skyboxRotationMat4=new Z,this._ambientBakeNumSamples=1,this._ambientBakeSpherePart=.4,this._lightmapFilterRange=10,this._lightmapFilterSmoothness=.2,this._clusteredLightingEnabled=!0,this._lightingParams=new QT(this.device.supportsAreaLights,this.device.maxTextureSize,()=>{this.updateShaders=!0}),this.gsplatCentersEnabled=!0,this._gsplatParams=new WD(this.device),this._sky=new $D(this),this._stats={meshInstances:0,lights:0,dynamicLights:0,bakedLights:0,updateShadersTime:0},this.updateShaders=!0,this._shaderVersion=0,this.immediate=new QD(this.device)}get defaultDrawLayer(){return this.layers.getLayerById(Ig)}set ambientBakeNumSamples(e){this._ambientBakeNumSamples=H.clamp(Math.floor(e),1,255)}get ambientBakeNumSamples(){return this._ambientBakeNumSamples}set ambientBakeSpherePart(e){this._ambientBakeSpherePart=H.clamp(e,.001,1)}get ambientBakeSpherePart(){return this._ambientBakeSpherePart}set clusteredLightingEnabled(e){if(!(this.device.isWebGPU&&!e)){if(!this._clusteredLightingEnabled&&e){console.error("Turning on disabled clustered lighting is not currently supported");return}this._clusteredLightingEnabled=e}}get clusteredLightingEnabled(){return this._clusteredLightingEnabled}set envAtlas(e){e!==this._envAtlas&&(this._envAtlas=e,e&&(e.addressU=ue,e.addressV=ue,e.minFilter=It,e.magFilter=It,e.mipmaps=!1),this._prefilteredCubemaps=[],this._internalEnvAtlas&&(this._internalEnvAtlas.destroy(),this._internalEnvAtlas=null),this._resetSkyMesh())}get envAtlas(){return this._envAtlas}set layers(e){const t=this._layers;this._layers=e,this.fire("set:layers",t,e)}get layers(){return this._layers}get sky(){return this._sky}get lighting(){return this._lightingParams}get gsplat(){return this._gsplatParams}get fog(){return this._fogParams}set lightmapFilterRange(e){this._lightmapFilterRange=Math.max(e,.001)}get lightmapFilterRange(){return this._lightmapFilterRange}set lightmapFilterSmoothness(e){this._lightmapFilterSmoothness=Math.max(e,.001)}get lightmapFilterSmoothness(){return this._lightmapFilterSmoothness}set prefilteredCubemaps(e){e=e||[];const t=this._prefilteredCubemaps;(t.length!==e.length||t.some((i,r)=>i!==e[r]))&&(e.length===6&&e.every(r=>!!r)?(this._internalEnvAtlas=nw.generatePrefilteredAtlas(e,{target:this._internalEnvAtlas}),this._envAtlas=this._internalEnvAtlas):(this._internalEnvAtlas&&(this._internalEnvAtlas.destroy(),this._internalEnvAtlas=null),this._envAtlas=null),this._prefilteredCubemaps=e.slice(),this._resetSkyMesh())}get prefilteredCubemaps(){return this._prefilteredCubemaps}set skybox(e){e!==this._skyboxCubeMap&&(this._skyboxCubeMap=e,this._resetSkyMesh())}get skybox(){return this._skyboxCubeMap}set skyboxIntensity(e){e!==this._skyboxIntensity&&(this._skyboxIntensity=e,this._resetSkyMesh())}get skyboxIntensity(){return this._skyboxIntensity}set skyboxLuminance(e){e!==this._skyboxLuminance&&(this._skyboxLuminance=e,this._resetSkyMesh())}get skyboxLuminance(){return this._skyboxLuminance}set skyboxMip(e){e!==this._skyboxMip&&(this._skyboxMip=e,this._resetSkyMesh())}get skyboxMip(){return this._skyboxMip}set skyboxHighlightMultiplier(e){e!==this._skyboxHighlightMultiplier&&(this._skyboxHighlightMultiplier=e,this._resetSkyMesh())}get skyboxHighlightMultiplier(){return this._skyboxHighlightMultiplier}set skyboxRotation(e){if(!this._skyboxRotation.equals(e)){const t=e.equals(ae.IDENTITY);this._skyboxRotation.copy(e),t?this._skyboxRotationMat3.setIdentity():(this._skyboxRotationMat4.setTRS(E.ZERO,e,E.ONE),this._skyboxRotationMat3.invertMat4(this._skyboxRotationMat4)),!this._skyboxRotationShaderInclude&&!t&&(this._skyboxRotationShaderInclude=!0,this._resetSkyMesh())}}get skyboxRotation(){return this._skyboxRotation}destroy(){this._sky.destroy(),this.root=null,this.off()}drawLine(e,t,s=Q.WHITE,i=!0,r=this.defaultDrawLayer){this.immediate.getBatch(r,i).addLines([e,t],[s,s])}drawLines(e,t,s=!0,i=this.defaultDrawLayer){this.immediate.getBatch(i,s).addLines(e,t)}drawLineArrays(e,t,s=!0,i=this.defaultDrawLayer){this.immediate.getBatch(i,s).addLinesArrays(e,t)}applySettings(e){const t=e.physics,s=e.render;this._gravity.set(t.gravity[0],t.gravity[1],t.gravity[2]),this.ambientLight.set(s.global_ambient[0],s.global_ambient[1],s.global_ambient[2]),this.ambientLuminance=s.ambientLuminance,this.fog.type=s.fog,this.fog.color.set(s.fog_color[0],s.fog_color[1],s.fog_color[2]),this.fog.start=s.fog_start,this.fog.end=s.fog_end,this.fog.density=s.fog_density,this.lightmapSizeMultiplier=s.lightmapSizeMultiplier,this.lightmapMaxResolution=s.lightmapMaxResolution,this.lightmapMode=s.lightmapMode,this.exposure=s.exposure,this._skyboxIntensity=s.skyboxIntensity??1,this._skyboxLuminance=s.skyboxLuminance??2e4,this._skyboxMip=s.skyboxMip??0,s.skyboxRotation&&(this.skyboxRotation=new ae().setFromEulerAngles(s.skyboxRotation[0],s.skyboxRotation[1],s.skyboxRotation[2])),this.sky.applySettings(s),this.clusteredLightingEnabled=s.clusteredLightingEnabled??!1,this.lighting.applySettings(s),["lightmapFilterEnabled","lightmapFilterRange","lightmapFilterSmoothness","ambientBake","ambientBakeNumSamples","ambientBakeSpherePart","ambientBakeOcclusionBrightness","ambientBakeOcclusionContrast"].forEach(i=>

777{s.hasOwnProperty(i)&&(this[i]=s[i])}),this._resetSkyMesh()}_getSkyboxTex(){const e=this._prefilteredCubemaps;return this._skyboxMip?e[[0,1,3,4,5,6][this._skyboxMip]]||this._envAtlas||e[0]||this._skyboxCubeMap:this._skyboxCubeMap||e[0]||this._envAtlas}_updateSkyMesh(){this.sky.skyMesh||this.sky.updateSkyMesh(),this.sky.update()}_resetSkyMesh(){this.sky.resetSkyMesh(),this.updateShaders=!0}setSkybox(e){e?(this.skybox=e[0]||null,e[1]&&!e[1].cubemap?this.envAtlas=e[1]:this.prefilteredCubemaps=e.slice(1)):(this.skybox=null,this.envAtlas=null)}get lightmapPixelFormat(){return this.lightmapHDR&&this.device.getRenderableHdrFormat()||Re}}class ow{constructor(e,t,s){this.device=e,this.inverseBindPose=t,this.boneNames=s}}const xM=[0,0,1,0,0,1,0,0,1,0,0,1],TM=[0,1,3,2,3,1];class wM extends ge{constructor(e,t){super(),this._device=e,this._pixelsPerUnit=t&&t.pixelsPerUnit!==void 0?t.pixelsPerUnit:1,this._renderMode=t&&t.renderMode!==void 0?t.renderMode:Fi,this._atlas=t&&t.atlas!==void 0?t.atlas:null,this._frameKeys=t&&t.frameKeys!==void 0?t.frameKeys:null,this._meshes=[],this._updatingProperties=!1,this._meshesDirty=!1,this._atlas&&this._frameKeys&&this._createMeshes()}set frameKeys(e){this._frameKeys=e,this._atlas&&this._frameKeys&&(this._updatingProperties?this._meshesDirty=!0:this._createMeshes()),this.fire("set:frameKeys",e)}get frameKeys(){return this._frameKeys}set atlas(e){e!==this._atlas&&(this._atlas&&(this._atlas.off("set:frames",this._onSetFrames,this),this._atlas.off("set:frame",this._onFrameChanged,this),this._atlas.off("remove:frame",this._onFrameRemoved,this)),this._atlas=e,this._atlas&&this._frameKeys&&(this._atlas.on("set:frames",this._onSetFrames,this),this._atlas.on("set:frame",this._onFrameChanged,this),this._atlas.on("remove:frame",this._onFrameRemoved,this),this._updatingProperties?this._meshesDirty=!0:this._createMeshes()),this.fire("set:atlas",e))}get atlas(){return this._atlas}set pixelsPerUnit(e){this._pixelsPerUnit!==e&&(this._pixelsPerUnit=e,this.fire("set:pixelsPerUnit",e),this._atlas&&this._frameKeys&&this.renderMode===Fi&&(this._updatingProperties?this._meshesDirty=!0:this._createMeshes()))}get pixelsPerUnit(){return this._pixelsPerUnit}set renderMode(e){if(this._renderMode===e)return;const t=this._renderMode;this._renderMode=e,this.fire("set:renderMode",e),(t===Fi||e===Fi)&&this._atlas&&this._frameKeys&&(this._updatingProperties?this._meshesDirty=!0:this._createMeshes())}get renderMode(){return this._renderMode}get meshes(){return this._meshes}_createMeshes(){const e=this._meshes.length;for(let i=0;i<e;i++){const r=this._meshes[i];r&&r.destroy()}const t=this._frameKeys.length;this._meshes=new Array(t);const s=this.renderMode===kt||this._renderMode===Ut?this._create9SliceMesh:this._createSimpleMesh;for(let i=0;i<t;i++){const r=this._atlas.frames[this._frameKeys[i]];this._meshes[i]=r?s.call(this,r):null}this.fire("set:meshes")}_createSimpleMesh(e){const t=e.rect,s=this._atlas.texture.width,i=this._atlas.texture.height,r=t.z/this._pixelsPerUnit,a=t.w/this._pixelsPerUnit,n=e.pivot.x,o=e.pivot.y,c=[-n*r,-o*a,0,(1-n)*r,-o*a,0,(1-n)*r,(1-o)*a,0,-n*r,(1-o)*a,0],h=t.x/s,d=1-t.y/i,u=(t.x+t.z)/s,f=1-(t.y+t.w)/i,p=[h,d,u,d,u,f,h,f],m=new un;return m.positions=c,m.normals=xM,m.uvs=p,m.indices=TM,at.fromGeometry(this._device,m)}_create9SliceMesh(){const e=j.ONE,t=3,s=3,i=[],r=[],a=[],n=[];let o=0;for(let h=0;h<=t;h++){const d=h===0||h===t?0:1;for(let u=0;u<=s;u++){const f=-e.x+2*e.x*(h<=1?0:3)/t,p=0,m=-(-e.y+2*e.y*(u<=1?0:3)/s),_=u===0||u===s?0:1;i.push(-f,p,m),r.push(0,1,0),a.push(d,_),h<t&&u<s&&(n.push(o+s+1,o+1,o),n.push(o+s+1,o+s+2,o+1)),o++}}const c=new un;return c.positions=i,c.normals=r,c.uvs=a,c.indices=n,at.fromGeometry(this._device,c)}_onSetFrames(e){this._updatingProperties?this._meshesDirty=!0:this._createMeshes()}_onFrameChanged(e,t){const s=this._frameKeys.indexOf(e);s<0||(t?this.renderMode===Fi&&(this._meshes[s]=this._createSimpleMesh(t)):this._meshes[s]=null,this.fire("set:meshes"))}_onFrameRemoved(e){const t=this._frameKeys.indexOf(e);t<0||(this._meshes[t]=null,this.fire("set:meshes"))}startUpdate(){this._updatingProperties=!0,this._meshesDirty=!1}endUpdate(){this._updatingProperties=!1,this._meshesDirty&&this._atlas&&this._frameKeys&&this._createMeshes(),this._meshesDirty=!1}destroy(){for(const e of this._meshes)e&&e.destroy();this._meshes.length=0}}class CM extends ge{constructor(){super(),this._texture=null,this._frames=null}set texture(e){this._texture=e,this.fire("set:texture",e)}get texture(){return this._texture}set frames(e){this._frames=e,this.fire("set:frames",e)}get frames(){return this._frames}setFrame(e,t){let s=this._frames[e];s?(s.rect.copy(t.rect),s.pivot.copy(t.pivot),s.border.copy(t.border)):(s={rect:t.rect.clone(),pivot:t.pivot.clone(),border:t.border.clone()},this._frames[e]=s),this.fire("set:frame",e.toString(),s)}removeFrame(e){const t=this._frames[e];t&&(delete this._frames[e],this.fire("remove:frame",e.toString(),t))}destroy(){this._texture&&this._texture.destroy()}}class fy{constructor(e,t,s,i){this.time=e,this.position=t,this.rotation=s,this.scale=i}}class py{constructor(){this._name="",this._keys=[]}}class my{name="";duration=0;constructor(){this._nodes=[],this._nodeDict={}}getNode(e){return this._nodeDict[e]}addNode(e){this._nodes.push(e),this._nodeDict[e._name]=e}get nodes(){return this._nodes}}class EM{constructor(){this._written=!1,this._name="",this._keyFrames=[],this._quat=new ae,this._pos=new E,this._scale=new E,this._targetNode=null}getTarget(){return this._targetNode}setTarget(e){this._targetNode=e}}class Up{looping=!0;constructor(e){this._animation=null,this._time=0,this._interpolatedKeys=[],this._interpolatedKeyDict={},this._currKeyIndices={},this.graph=null;const t=s=>{const i=new EM;i._name=s.name,this._interpolatedKeys.push(i),this._interpolatedKeyDict[s.name]=i,this._currKeyIndices[s.name]=0;for(let r=0;r<s._children.length;r++)t(s._children[r])};t(e)}set animation(e){this._animation=e,this.currentTime=0}get animation(){return this._animation}set currentTime(e){this._time=e;const t=this._interpolatedKeys.length;for(let s=0;s<t;s++){const r=this._interpolatedKeys[s]._name;this._currKeyIndices[r]=0}this.addTime(0),this.updateGraph()}get currentTime(){return this._time}get numNodes(){return this._interpolatedKeys.length}addTime(e){if(this._animation!==null){const t=this._animation._nodes,s=this._animation.duration;if(this._time===s&&!this.looping)return;if(this._time+=e,this._time>s){this._time=this.looping?0:s;for(let r=0;r<t.length;r++){const n=t[r]._name;this._currKeyIndices[n]=0}}else if(this._time<0){this._time=this.looping?s:0;for(let r=0;r<t.length;r++){const a=t[r],n=a._name;this._currKeyIndices[n]=a._keys.length-2}}const i=e>=0?1:-1;for(let r=0;r<t.length;r++){const a=t[r],n=a._name,o=a._keys,c=this._interpolatedKeyDict[n];if(c===void 0)continue;let h=!1;if(o.length!==1)for(let d=this._currKeyIndices[n];d<o.length-1&&d>=0;d+=i){const u=o[d],f=o[d+1];if(u.time<=this._time&&f.time>=this._time){const p=(this._time-u.time)/(f.time-u.time);c._pos.lerp(u.position,f.position,p),c._quat.slerp(u.rotation,f.rotation,p),c._scale.lerp(u.scale,f.scale,p),c._written=!0,this._currKeyIndices[n]=d,h=!0;break}}(o.length===1||!h&&this._time===0&&this.looping)&&(c._pos.copy(o[0].position),c._quat.copy(o[0].rotation),c._scale.copy(o[0].scale),c._written=!0)}}}blend(e,t,s){const i=this._interpolatedKeys.length;for(let r=0;r<i;r++){const a=e._interpolatedKeys[r],n=t._interpolatedKeys[r],o=this._interpolatedKeys[r];a._written&&n._written?(o._quat.slerp(a._quat,t._interpolatedKeys[r]._quat,s),o._pos.lerp(a._pos,t._interpolatedKeys[r]._pos,s),o._scale.lerp(a._scale,n._scale,s),o._written=!0):a._written?(o._quat.copy(a._quat),o._pos.copy(a._pos),o._scale.copy(a._scale),o._written=!0):n._written&&(o._quat.copy(n._quat),o._pos.copy(n._pos),o._scale.copy(n._scale),o._written=!0)}}setGraph(e){if(this.graph=e,e)for(let t=0;t<this._interpolatedKeys.length;t++){const s=this._interpolatedKeys[t],i=e.findByName(s._name);this._interpolatedKeys[t].setTarget(i)}else for(let t=0;t<this._interpolatedKeys.length;t++)this._interpolatedKeys[t].setTarget(null)}updateGraph(){if(this.graph)for(let e=0;e<this._interpolatedKeys.length;e++){const t=this._interpolatedKeys[e];if(t._written){const s=t.getTarget();s.localPosition.copy(t._pos),s.localRotation.copy(t._quat),s.localScale.copy(t._scale),s._dirtyLocal||s._dirtifyLocal(),t._written=!1}}}}const bM=`
778@group(0) @binding(0) var<storage, read_write> items: array<u32>;
779@group(0) @binding(1) var<storage, read_write> blockSums: array<u32>;
780struct PrefixSumUniforms {
781	elementCount: u32
782};
783@group(0) @binding(2) var<uniform> uniforms: PrefixSumUniforms;
784const WORKGROUP_SIZE_X: u32 = {WORKGROUP_SIZE_X}u;
785const WORKGROUP_SIZE_Y: u32 = {WORKGROUP_SIZE_Y}u;
786const THREADS_PER_WORKGROUP: u32 = {THREADS_PER_WORKGROUP}u;
787const ITEMS_PER_WORKGROUP: u32 = {ITEMS_PER_WORKGROUP}u;
788var<workgroup> temp: array<u32, ITEMS_PER_WORKGROUP * 2>;
789@compute @workgroup_size(WORKGROUP_SIZE_X, WORKGROUP_SIZE_Y, 1)
790fn reduce_downsweep(
791	@builtin(workgroup_id) w_id: vec3<u32>,
792	@builtin(num_workgroups) w_dim: vec3<u32>,
793	@builtin(local_invocation_index) TID: u32,
794) {
795	let WORKGROUP_ID = w_id.x + w_id.y * w_dim.x;
796	let WID = WORKGROUP_ID * THREADS_PER_WORKGROUP;
797	let GID = WID + TID;
798	
799	let ELM_TID = TID * 2;
800	let ELM_GID = GID * 2;
801	
802	temp[ELM_TID] = select(items[ELM_GID], 0u, ELM_GID >= uniforms.elementCount);
803	temp[ELM_TID + 1u] = select(items[ELM_GID + 1u], 0u, ELM_GID + 1u >= uniforms.elementCount);
804	var offset: u32 = 1u;

805	for (var d: u32 = ITEMS_PER_WORKGROUP >> 1u; d > 0u; d >>= 1u) {
806		workgroupBarrier();
807		if (TID < d) {
808			var ai: u32 = offset * (ELM_TID + 1u) - 1u;
809			var bi: u32 = offset * (ELM_TID + 2u) - 1u;
810			temp[bi] += temp[ai];
811		}
812		offset *= 2u;
813	}
814	if (TID == 0u) {
815		let last_offset = ITEMS_PER_WORKGROUP - 1u;
816		blockSums[WORKGROUP_ID] = temp[last_offset];
817		temp[last_offset] = 0u;
818	}
819	for (var d: u32 = 1u; d < ITEMS_PER_WORKGROUP; d *= 2u) {
820		offset >>= 1u;
821		workgroupBarrier();
822		if (TID < d) {
823			var ai: u32 = offset * (ELM_TID + 1u) - 1u;
824			var bi: u32 = offset * (ELM_TID + 2u) - 1u;
825			let t: u32 = temp[ai];
826			temp[ai] = temp[bi];
827			temp[bi] += t;
828		}
829	}
830	workgroupBarrier();
831	if (ELM_GID < uniforms.elementCount) {
832		items[ELM_GID] = temp[ELM_TID];
833	}
834	if (ELM_GID + 1u < uniforms.elementCount) {
835		items[ELM_GID + 1u] = temp[ELM_TID + 1u];
836	}
837}
838@compute @workgroup_size(WORKGROUP_SIZE_X, WORKGROUP_SIZE_Y, 1)
839fn add_block_sums(
840	@builtin(workgroup_id) w_id: vec3<u32>,
841	@builtin(num_workgroups) w_dim: vec3<u32>,
842	@builtin(local_invocation_index) TID: u32,
843) {
844	let WORKGROUP_ID = w_id.x + w_id.y * w_dim.x;
845	let WID = WORKGROUP_ID * THREADS_PER_WORKGROUP;
846	let GID = WID + TID;
847	let ELM_ID = GID * 2u;
848	if (ELM_ID >= uniforms.elementCount) {
849		return;
850	}
851	let blockSum = blockSums[WORKGROUP_ID];
852	items[ELM_ID] += blockSum;
853	if (ELM_ID + 1u >= uniforms.elementCount) {
854		return;
855	}
856	items[ELM_ID + 1u] += blockSum;
857}
858`,lw=16,cw=16,hw=lw*cw,Hh=2*hw;class Gg{device;passes=[];_uniformBufferFormat=null;_bindGroupFormat=null;_scanShader=null;_addBlockShader=null;constructor(e){this.device=e,this._createFormatsAndShaders()}destroy(){this.destroyPasses(),this._scanShader?.destroy(),this._addBlockShader?.destroy(),this._bindGroupFormat?.destroy(),this._scanShader=null,this._addBlockShader=null,this._bindGroupFormat=null,this._uniformBufferFormat=null}_createFormatsAndShaders(){this._uniformBufferFormat=new vt(this.device,[new X("elementCount",le)]),this._bindGroupFormat=new Ze(this.device,[new q("items",G,!1),new q("blockSums",G,!1),new At("uniforms",G)]),this._scanShader=this._createShader("PrefixSumScan","reduce_downsweep"),this._addBlockShader=this._createShader("PrefixSumAddBlock","add_block_sums")}createPassesRecursive(e,t){const s=Math.ceil(t/Hh),{x:i,y:r}=this.findOptimalDispatchSize(s),a=new Se(this.device,s*4),n=new Qe(this.device,this._scanShader,"PrefixSumScan");n.setParameter("items",e),n.setParameter("blockSums",a);const o={scanCompute:n,addBlockCompute:null,blockSumBuffer:a,dispatchX:i,dispatchY:r,count:t,allocatedCount:t};if(this.passes.push(o),s>1){this.createPassesRecursive(a,s);const c=new Qe(this.device,this._addBlockShader,"PrefixSumAddBlock");c.setParameter("items",e),c.setParameter("blockSums",a),o.addBlockCompute=c}}_createShader(e,t){const s=new Map;return s.set("{WORKGROUP_SIZE_X}",lw),s.set("{WORKGROUP_SIZE_Y}",cw),s.set("{THREADS_PER_WORKGROUP}",hw),s.set("{ITEMS_PER_WORKGROUP}",Hh),new tt(this.device,{name:e,shaderLanguage:de,cshader:bM,cdefines:s,computeEntryPoint:t,computeBindGroupFormat:this._bindGroupFormat,computeUniformBufferFormats:{uniforms:this._uniformBufferFormat}})}findOptimalDispatchSize(e){const t=this.device.limits.maxComputeWorkgroupsPerDimension||65535;if(e<=t)return{x:e,y:1};const s=Math.floor(Math.sqrt(e)),i=Math.ceil(e/s);return{x:s,y:i}}resize(e,t){const s=this._countPassesNeeded(t),i=this.passes.length;if(s>i){this.destroyPasses(),this.createPassesRecursive(e,t);return}let r=t;for(let a=0;a<this.passes.length;a++){const n=Math.ceil(r/Hh),{x:o,y:c}=this.findOptimalDispatchSize(n);if(this.passes[a].count=r,this.passes[a].dispatchX=o,this.passes[a].dispatchY=c,r=n,n<=1)break}}destroyPasses(){for(const e of this.passes)e.blockSumBuffer?.destroy();this.passes.length=0}_countPassesNeeded(e){let t=0,s=e;for(;s>0;){t++;const i=Math.ceil(s/Hh);if(i<=1)break;s=i}return t}dispatch(e){for(let t=0;t<this.passes.length;t++){const s=this.passes[t];s.scanCompute.setParameter("elementCount",s.count),s.scanCompute.setupDispatch(s.dispatchX,s.dispatchY,1),e.computeDispatch([s.scanCompute],"PrefixSumScan")}for(let t=this.passes.length-1;t>=0;t--){const s=this.passes[t];s.addBlockCompute&&(s.addBlockCompute.setParameter("elementCount",s.count),s.addBlockCompute.setupDispatch(s.dispatchX,s.dispatchY,1),e.computeDispatch([s.addBlockCompute],"PrefixSumAddBlock"))}}}const AM=`
859@group(0) @binding(0) var<storage, read> input: array<u32>;
860@group(0) @binding(1) var<storage, read_write> block_sums: array<u32>;
861struct RadixSortUniforms {
862	workgroupCount: u32,
863	elementCount: u32
864};
865@group(0) @binding(2) var<uniform> uniforms: RadixSortUniforms;
866#ifdef USE_INDIRECT_SORT
867	@group(0) @binding(3) var<storage, read> sortElementCount: array<u32>;
868#endif
869const THREADS_PER_WORKGROUP: u32 = {THREADS_PER_WORKGROUP}u;
870const WORKGROUP_SIZE_X: u32 = {WORKGROUP_SIZE_X}u;
871const WORKGROUP_SIZE_Y: u32 = {WORKGROUP_SIZE_Y}u;
872const CURRENT_BIT: u32 = {CURRENT_BIT}u;
873const ELEMENTS_PER_THREAD: u32 = {ELEMENTS_PER_THREAD}u;
874const ELEMENTS_PER_WORKGROUP: u32 = THREADS_PER_WORKGROUP * ELEMENTS_PER_THREAD;
875var<workgroup> histogram: array<atomic<u32>, 16>;
876@compute @workgroup_size(WORKGROUP_SIZE_X, WORKGROUP_SIZE_Y, 1)
877fn main(
878	@builtin(workgroup_id) w_id: vec3<u32>,
879	@builtin(num_workgroups) w_dim: vec3<u32>,
880	@builtin(local_invocation_index) TID: u32,
881) {
882	let WORKGROUP_ID = w_id.x + w_id.y * w_dim.x;
883	let WID = WORKGROUP_ID * ELEMENTS_PER_WORKGROUP;
884	if (TID < 16u) {
885		atomicStore(&histogram[TID], 0u);
886	}
887	workgroupBarrier();
888	#ifdef USE_INDIRECT_SORT
889		let elementCount = sortElementCount[0];
890	#else
891		let elementCount = uniforms.elementCount;
892	#endif
893	for (var r = 0u; r < ELEMENTS_PER_THREAD; r++) {
894		let GID = WID + r * THREADS_PER_WORKGROUP + TID;
895		let is_valid = GID < elementCount && WORKGROUP_ID < uniforms.workgroupCount;
896		if (is_valid) {
897			let elm = input[GID];
898			let digit = (elm >> CURRENT_BIT) & 0xFu;

899			atomicAdd(&histogram[digit], 1u);
900		}
901	}
902	workgroupBarrier();
903	if (TID < 16u && WORKGROUP_ID < uniforms.workgroupCount) {
904		block_sums[TID * uniforms.workgroupCount + WORKGROUP_ID] = atomicLoad(&histogram[TID]);
905	}
906}
907`,PM=`
908@group(0) @binding(0) var<storage, read> inputKeys: array<u32>;
909@group(0) @binding(1) var<storage, read_write> outputKeys: array<u32>;
910@group(0) @binding(2) var<storage, read> prefix_block_sum: array<u32>;
911@group(0) @binding(3) var<storage, read> inputValues: array<u32>;
912@group(0) @binding(4) var<storage, read_write> outputValues: array<u32>;
913struct RadixSortUniforms {
914	workgroupCount: u32,
915	elementCount: u32
916};
917@group(0) @binding(5) var<uniform> uniforms: RadixSortUniforms;
918#ifdef USE_INDIRECT_SORT
919	@group(0) @binding(6) var<storage, read> sortElementCount: array<u32>;
920#endif
921const THREADS_PER_WORKGROUP: u32 = {THREADS_PER_WORKGROUP}u;
922const WORKGROUP_SIZE_X: u32 = {WORKGROUP_SIZE_X}u;
923const WORKGROUP_SIZE_Y: u32 = {WORKGROUP_SIZE_Y}u;
924const CURRENT_BIT: u32 = {CURRENT_BIT}u;
925const IS_FIRST_PASS: u32 = {IS_FIRST_PASS}u;
926const IS_LAST_PASS: u32 = {IS_LAST_PASS}u;
927const ELEMENTS_PER_THREAD: u32 = {ELEMENTS_PER_THREAD}u;
928const ELEMENTS_PER_WORKGROUP: u32 = THREADS_PER_WORKGROUP * ELEMENTS_PER_THREAD;
929var<workgroup> digit_masks: array<atomic<u32>, 128>;
930var<workgroup> digit_offsets: array<u32, 16>;

931@compute @workgroup_size(WORKGROUP_SIZE_X, WORKGROUP_SIZE_Y, 1)
932fn main(
933	@builtin(workgroup_id) w_id: vec3<u32>,
934	@builtin(num_workgroups) w_dim: vec3<u32>,
935	@builtin(local_invocation_index) TID: u32,
936) {
937	let WORKGROUP_ID = w_id.x + w_id.y * w_dim.x;
938	let WID = WORKGROUP_ID * ELEMENTS_PER_WORKGROUP;
939	let word_idx = TID >> 5u;
940	let bit_idx = TID & 31u;
941	if (TID < 16u) {
942		digit_offsets[TID] = 0u;
943	}
944	if (TID < 128u) {
945		atomicStore(&digit_masks[TID], 0u);
946	}
947	workgroupBarrier();
948	#ifdef USE_INDIRECT_SORT
949		let elementCount = sortElementCount[0];
950	#else
951		let elementCount = uniforms.elementCount;
952	#endif
953	for (var round = 0u; round < ELEMENTS_PER_THREAD; round++) {
954		let GID = WID + round * THREADS_PER_WORKGROUP + TID;
955		let is_valid = GID < elementCount;
956		let k = select(0u, inputKeys[GID], is_valid);
957		let digit = select(16u, (k >> CURRENT_BIT) & 0xFu, is_valid);
958		let v = select(0u, select(inputValues[GID], GID, IS_FIRST_PASS == 1u), is_valid);
959		if (is_valid) {
960			atomicOr(&digit_masks[digit * 8u + word_idx], 1u << bit_idx);
961		}
962		workgroupBarrier();
963		if (is_valid) {
964			let base = digit * 8u;
965			var local_prefix = digit_offsets[digit];
966			for (var w = 0u; w < word_idx; w++) {
967				local_prefix += countOneBits(atomicLoad(&digit_masks[base + w]));
968			}
969			local_prefix += countOneBits(atomicLoad(&digit_masks[base + word_idx]) & ((1u << bit_idx) - 1u));
970			let pid = digit * uniforms.workgroupCount + WORKGROUP_ID;
971			let sorted_position = prefix_block_sum[pid] + local_prefix;
972			if (IS_LAST_PASS == 0u) {
973				outputKeys[sorted_position] = k;
974			}
975			outputValues[sorted_position] = v;
976		}
977		if (round < ELEMENTS_PER_THREAD - 1u) {
978			workgroupBarrier();
979			if (TID < 16u) {
980				var count = 0u;
981				for (var w = 0u; w < 8u; w++) {
982					let idx = TID * 8u + w;
983					count += countOneBits(atomicLoad(&digit_masks[idx]));
984					atomicStore(&digit_masks[idx], 0u);
985				}
986				digit_offsets[TID] += count;
987			}
988			workgroupBarrier();
989		}
990	}
991}
992`;class dw{device;_indirect=!1;constructor(e,t=!1){this.device=e,this._indirect=t}capacity=0;_elementCount=0;_numBits=0;_hasInitialValues=!1;_skipLastPassKeyWrite=!1;_destructiveKeys=!1;_keys0=null;_keys1=null;_values0=null;_values1=null;_indirectInfo=new Uint32Array(4);get sortedIndices(){return this._values0?this._numBits/this.radixBits%2===1?this._values1:this._values0:null}get sortedKeys(){if(!this._keys0)return null;const e=this.radixBits;return this._numBits/e%2===0?this._keys1:this._keys0}get radixBits(){return 0}sort(e,t,s,i,r,a){return null}sortIndirect(e,t,s,i,r,a,n,o){return null}prepareIndirect(){return this._indirectInfo}_allocatePingPongElementBuffers(e){const t=e*4,s=Si|ct,i=this.device;this._keys0=new Se(i,t,s),this._destructiveKeys||(this._keys1=new Se(i,t,s)),this._values0=new Se(i,t,s),this._values1=new Se(i,t,s)}_destroyPingPongBuffers(){this._keys0?.destroy(),this._destructiveKeys||this._keys1?.destroy(),this._values0?.destroy(),this._values1?.destroy(),this._keys0=null,this._keys1=null,this._values0=null,this._values1=null}destroy(){}}const uw=16,fw=16,pw=uw*fw,mw=8,zp=pw*mw,Wh=4,_y=16;class IM extends dw{_workgroupCount=0;_allocatedWorkgroupCount=0;_blockSums=null;_prefixSumKernel=null;

992_dispatchSize=new j(1,1);_histogramBindGroupFormat=null;_reorderBindGroupFormat=null;_uniformBufferFormat=null;_passes=[];constructor(e,t=!1){super(e,t);const s=this._indirectInfo;s[0]=1,s[1]=zp,this._uniformBufferFormat=new vt(e,[new X("workgroupCount",le),new X("elementCount",le)]);const i=[new q("input",G,!0),new q("block_sums",G,!1),new At("uniforms",G)],r=[new q("inputKeys",G,!0),new q("outputKeys",G,!1),new q("prefix_block_sum",G,!0),new q("inputValues",G,!0),new q("outputValues",G,!1),new At("uniforms",G)];t&&(i.push(new q("sortElementCount",G,!0)),r.push(new q("sortElementCount",G,!0))),this._histogramBindGroupFormat=new Ze(e,i),this._reorderBindGroupFormat=new Ze(e,r)}destroy(){this._destroyBuffers(),this._destroyPasses(),this._histogramBindGroupFormat?.destroy(),this._reorderBindGroupFormat?.destroy(),this._histogramBindGroupFormat=null,this._reorderBindGroupFormat=null,this._uniformBufferFormat=null,super.destroy()}_destroyPasses(){for(const e of this._passes)e.histogramCompute.shader?.destroy(),e.reorderCompute.shader?.destroy();this._passes.length=0,this._numBits=0}_destroyBuffers(){this._destroyPingPongBuffers(),this._blockSums?.destroy(),this._prefixSumKernel?.destroy(),this._blockSums=null,this._prefixSumKernel=null,this._workgroupCount=0,this._allocatedWorkgroupCount=0}get radixBits(){return Wh}_createPasses(e,t,s){this._destroyPasses(),this._numBits=e,this._hasInitialValues=t,this._skipLastPassKeyWrite=s;const i=e/Wh,r=this._indirect?"-Indirect":"";for(let a=0;a<i;a++){const n=a*Wh,o=a===0&&!t,c=s&&a===i-1,h=this._createShader(`RadixSort4bit-Histogram${r}-${n}`,AM,n,!1,!1,this._histogramBindGroupFormat),d=this._createShader(`RadixSort4bit-Reorder${r}-${n}`,PM,n,o,c,this._reorderBindGroupFormat),u=new Qe(this.device,h,`RadixSort4bit-Histogram${r}-${n}`),f=new Qe(this.device,d,`RadixSort4bit-Reorder${r}-${n}`);this._passes.push({histogramCompute:u,reorderCompute:f})}}_allocateBuffers(e,t,s,i,r=!1){const a=Math.max(e,this.capacity),n=Math.ceil(a/zp),o=Math.max(1,Math.ceil(e/zp)),c=r||n!==this._allocatedWorkgroupCount||!this._keys0,h=t!==this._numBits||s!==this._hasInitialValues||i!==this._skipLastPassKeyWrite;if(c){this._destroyBuffers(),this._allocatedWorkgroupCount=n,this.capacity=a;const d=_y*n*4;this._allocatePingPongElementBuffers(a),this._blockSums=new Se(this.device,d,Si|ct),this._prefixSumKernel=new Gg(this.device)}this._workgroupCount=o,Qe.calcDispatchSize(o,this._dispatchSize,this.device.limits.maxComputeWorkgroupsPerDimension||65535),this._prefixSumKernel.resize(this._blockSums,_y*o),h&&this._createPasses(t,s,i)}_createShader(e,t,s,i,r,a){const n=new Map;return n.set("{WORKGROUP_SIZE_X}",uw),n.set("{WORKGROUP_SIZE_Y}",fw),n.set("{THREADS_PER_WORKGROUP}",pw),n.set("{ELEMENTS_PER_THREAD}",mw),n.set("{CURRENT_BIT}",s),n.set("{IS_FIRST_PASS}",i?1:0),n.set("{IS_LAST_PASS}",r?1:0),this._indirect&&n.set("USE_INDIRECT_SORT",""),new tt(this.device,{name:e,shaderLanguage:de,cshader:t,cdefines:n,computeBindGroupFormat:a,computeUniformBufferFormats:{uniforms:this._uniformBufferFormat}})}sort(e,t,s=16,i,r=!1,a=!1){return this._execute(e,t,s,-1,null,i,r,a)}sortIndirect(e,t,s,i,r,a,n=!1,o=!1){return this._execute(e,t,s,i,r,a,n,o)}_execute(e,t,s,i,r,a,n=!1,o=!1){this._elementCount=t;const c=!!a,h=this._destructiveKeys;this._destructiveKeys=o,this._allocateBuffers(t,s,c,n,o!==h),o&&(this._keys1=e);const d=this.device,u=s/Wh,f=this._indirect?"-Indirect":"";let p=e,m=a??this._values0,_=this._keys0,g=this._values1;for(let v=0;v<u;v++){const{histogramCompute:x,reorderCompute:y}=this._passes[v],S=v===u-1;if(this._indirect&&this._blockSums.clear(),x.setParameter("input",p),x.setParameter("block_sums",this._blockSums),x.setParameter("workgroupCount",this._workgroupCount),x.setParameter("elementCount",t),this._indirect?(x.setParameter("sortElementCount",r),x.setupIndirectDispatch(i)):x.setupDispatch(this._dispatchSize.x,this._dispatchSize.y,1),d.computeDispatch([x],`RadixSort4bit-Histogram${f}`),this._prefixSumKernel.dispatch(d),y.setParameter("inputKeys",p),y.setParameter("outputKeys",_),y.setParameter("prefix_block_sum",this._blockSums),y.setParameter("inputValues",m),y.setParameter("outputValues",g),y.setParameter("workgroupCount",this._workgroupCount),y.setParameter("elementCount",t),this._indirect?(y.setParameter("sortElementCount",r),y.setupIndirectDispatch(i)):y.setupDispatch(this._dispatchSize.x,this._dispatchSize.y,1),d.computeDispatch([y],`RadixSort4bit-Reorder${f}`),!S){p=_,_=p===this._keys0?this._keys1:this._keys0;const T=m;m=g,g=T}}return this.sortedIndices}}const DM=`
993@group(0) @binding(0) var<storage, read> b_sort: array<vec4<u32>>;
994@group(0) @binding(1) var<storage, read_write> b_globalHist: array<atomic<u32>>;
995struct OneSweepUniforms {
996	numKeys: u32,
997	threadBlocks: u32,
998	numPasses: u32,
999	_pad: u32
1000};
1001@group(0) @binding(2) var<uniform> uniforms: OneSweepUniforms;
1002#ifdef USE_INDIRECT_SORT
1003@group(0) @binding(3) var<storage, read> b_sortElementCount: array<u32>;
1004#endif
1005const RADIX: u32 = 256u;
1006const MAX_PASSES: u32 = 4u;
1007const G_HIST_DIM: u32 = {G_HIST_DIM}u;
1008const G_HIST_PART_SIZE: u32 = {G_HIST_PART_SIZE}u;
1009const G_HIST_PART_SIZE_VEC: u32 = G_HIST_PART_SIZE / 4u;
1010const SHARED_HIST_SIZE: u32 = 2u * MAX_PASSES * RADIX;
1011var<workgroup> g_gHist: array<atomic<u32>, SHARED_HIST_SIZE>;
1012fn histOffset(row: u32, pass_: u32) -> u32 {
1013	return row * RADIX + pass_ * 2u * RADIX;
1014}
1015@compute @workgroup_size(G_HIST_DIM, 1, 1)
1016fn main(
1017	@builtin(local_invocation_index) gtid: u32,
1018	@builtin(workgroup_id) gid: vec3<u32>,
1019	@builtin(num_workgroups) nwg: vec3<u32>,
1020) {
1021	let flatGid = gid.x + gid.y * nwg.x;
1022	let numPasses = uniforms.numPasses;
1023	#ifdef USE_INDIRECT_SORT

1024		let numKeys = b_sortElementCount[0];
1025	#else
1026		let numKeys = uniforms.numKeys;
1027	#endif
1028	let sharedEnd = 2u * numPasses * RADIX;
1029	for (var i = gtid; i < sharedEnd; i = i + G_HIST_DIM) {
1030		atomicStore(&g_gHist[i], 0u);
1031	}
1032	workgroupBarrier();
1033	let row = gtid / 64u;
1034	let numKeysVecFull = numKeys >> 2u;
1035	let partitionStartVec = flatGid * G_HIST_PART_SIZE_VEC;
1036	let partitionEndVec = min(partitionStartVec + G_HIST_PART_SIZE_VEC, numKeysVecFull);
1037	for (var i = partitionStartVec + gtid; i < partitionEndVec; i = i + G_HIST_DIM) {
1038		let q = b_sort[i];
1039		if (numPasses >= 1u) {
1040			let off = histOffset(row, 0u);
1041			atomicAdd(&g_gHist[(q.x		 & 0xFFu) + off], 1u);
1042			atomicAdd(&g_gHist[(q.y		 & 0xFFu) + off], 1u);
1043			atomicAdd(&g_gHist[(q.z		 & 0xFFu) + off], 1u);
1044			atomicAdd(&g_gHist[(q.w		 & 0xFFu) + off], 1u);
1045		}
1046		if (numPasses >= 2u) {
1047			let off = histOffset(row, 1u);
1048			atomicAdd(&g_gHist[((q.x >>  8u) & 0xFFu) + off], 1u);
1049			atomicAdd(&g_gHist[((q.y >>  8u) & 0xFFu) + off], 1u);
1050			atomicAdd(&g_gHist[((q.z >>  8u) & 0xFFu) + off], 1u);
1051			atomicAdd(&g_gHist[((q.w >>  8u) & 0xFFu) + off], 1u);
1052		}
1053		if (numPasses >= 3u) {
1054			let off = histOffset(row, 2u);
1055			atomicAdd(&g_gHist[((q.x >> 16u) & 0xFFu) + off], 1u);
1056			atomicAdd(&g_gHist[((q.y >> 16u) & 0xFFu) + off], 1u);
1057			atomicAdd(&g_gHist[((q.z >> 16u) & 0xFFu) + off], 1u);
1058			atomicAdd(&g_gHist[((q.w >> 16u) & 0xFFu) + off], 1u);
1059		}
1060		if (numPasses >= 4u) {
1061			let off = histOffset(row, 3u);
1062			atomicAdd(&g_gHist[((q.x >> 24u) & 0xFFu) + off], 1u);
1063			atomicAdd(&g_gHist[((q.y >> 24u) & 0xFFu) + off], 1u);
1064			atomicAdd(&g_gHist[((q.z >> 24u) & 0xFFu) + off], 1u);
1065			atomicAdd(&g_gHist[((q.w >> 24u) & 0xFFu) + off], 1u);
1066		}
1067	}
1068	let tailIdx = numKeysVecFull;
1069	if ((numKeys & 3u) != 0u &&
1070		tailIdx >= partitionStartVec &&
1071		tailIdx <  partitionStartVec + G_HIST_PART_SIZE_VEC &&
1072		(tailIdx - partitionStartVec) % G_HIST_DIM == gtid) {
1073		let q = b_sort[tailIdx];
1074		let base = tailIdx << 2u;
1075		if (numPasses >= 1u) {
1076			let off = histOffset(row, 0u);
1077			if (base + 0u < numKeys) { atomicAdd(&g_gHist[(q.x & 0xFFu) + off], 1u); }
1078			if (base + 1u < numKeys) { atomicAdd(&g_gHist[(q.y & 0xFFu) + off], 1u); }
1079			if (base + 2u < numKeys) { atomicAdd(&g_gHist[(q.z & 0xFFu) + off], 1u); }
1080		}
1081		if (numPasses >= 2u) {
1082			let off = histOffset(row, 1u);
1083			if (base + 0u < numKeys) { atomicAdd(&g_gHist[((q.x >>  8u) & 0xFFu) + off], 1u); }
1084			if (base + 1u < numKeys) { atomicAdd(&g_gHist[((q.y >>  8u) & 0xFFu) + off], 1u); }
1085			if (base + 2u < numKeys) { atomicAdd(&g_gHist[((q.z >>  8u) & 0xFFu) + off], 1u); }
1086		}
1087		if (numPasses >= 3u) {
1088			let off = histOffset(row, 2u);
1089			if (base + 0u < numKeys) { atomicAdd(&g_gHist[((q.x >> 16u) & 0xFFu) + off], 1u); }
1090			if (base + 1u < numKeys) { atomicAdd(&g_gHist[((q.y >> 16u) & 0xFFu) + off], 1u); }
1091			if (base + 2u < numKeys) { atomicAdd(&g_gHist[((q.z >> 16u) & 0xFFu) + off], 1u); }
1092		}
1093		if (numPasses >= 4u) {
1094			let off = histOffset(row, 3u);
1095			if (base + 0u < numKeys) { atomicAdd(&g_gHist[((q.x >> 24u) & 0xFFu) + off], 1u); }
1096			if (base + 1u < numKeys) { atomicAdd(&g_gHist[((q.y >> 24u) & 0xFFu) + off], 1u); }
1097			if (base + 2u < numKeys) { atomicAdd(&g_gHist[((q.z >> 24u) & 0xFFu) + off], 1u); }
1098		}
1099	}
1100	workgroupBarrier();
1101	for (var i = gtid; i < RADIX; i = i + G_HIST_DIM) {
1102		for (var p = 0u; p < numPasses; p = p + 1u) {
1103			let row0 = atomicLoad(&g_gHist[i + histOffset(0u, p)]);
1104			let row1 = atomicLoad(&g_gHist[i + histOffset(1u, p)]);
1105			let total = row0 + row1;
1106			if (total != 0u) {
1107				atomicAdd(&b_globalHist[i + p * RADIX], total);
1108			}
1109		}
1110	}
1111}
1112`,MM=`
1113@group(0) @binding(0) var<storage, read> b_globalHist: array<u32>;
1114@group(0) @binding(1) var<storage, read_write> b_passHist: array<atomic<u32>>;
1115struct OneSweepScanUniforms {
1116	threadBlocks: u32,
1117	_pad0: u32,
1118	_pad1: u32,
1119	_pad2: u32
1120};
1121@group(0) @binding(2) var<uniform> uniforms: OneSweepScanUniforms;
1122#ifdef USE_INDIRECT_SORT
1123@group(0) @binding(3) var<storage, read> b_sortElementCount: array<u32>;
1124#endif
1125const RADIX: u32 = 256u;
1126const FLAG_INCLUSIVE: u32 = 2u;
1127const PART_SIZE: u32 = {PART_SIZE}u;
1128const MAX_SUBGROUPS: u32 = {MAX_SUBGROUPS}u;
1129var<workgroup> g_scan: array<u32, RADIX>;
1130var<workgroup> sg_totals: array<u32, MAX_SUBGROUPS>;
1131@compute @workgroup_size(RADIX, 1, 1)
1132fn main(
1133	@builtin(local_invocation_index) gtid: u32,
1134	@builtin(workgroup_id) gid: vec3<u32>,
1135	@builtin(subgroup_invocation_id) sgInvId: u32,
1136	@builtin(subgroup_size) sgSize: u32,
1137) {
1138	let pass_ = gid.x;
1139	#ifdef USE_INDIRECT_SORT

1140	let numKeys = b_sortElementCount[0];
1141	let threadBlocks = (numKeys + PART_SIZE - 1u) / PART_SIZE;
1142	#else
1143	let threadBlocks = uniforms.threadBlocks;
1144	#endif
1145	let waveIndex = gtid / sgSize;
1146	let t = b_globalHist[gtid + pass_ * RADIX];
1147	let sgExcl = subgroupExclusiveAdd(t);
1148	let sgTotal = subgroupAdd(t);
1149	if (sgInvId == 0u) {
1150		sg_totals[waveIndex] = sgTotal;
1151	}
1152	workgroupBarrier();
1153	if (gtid == 0u) {
1154		var acc: u32 = 0u;
1155		for (var i = 0u; i < MAX_SUBGROUPS; i = i + 1u) {
1156			let v = sg_totals[i];
1157			sg_totals[i] = acc;
1158			acc = acc + v;
1159		}
1160	}
1161	workgroupBarrier();
1162	let excl = sgExcl + sg_totals[waveIndex];
1163	g_scan[gtid] = excl;
1164	let dst = pass_ * threadBlocks * RADIX + gtid;
1165	atomicStore(&b_passHist[dst], (excl << 2u) | FLAG_INCLUSIVE);
1166}
1167`,RM=`
1168@group(0) @binding(0) var<storage, read> inputKeys: array<u32>;
1169@group(0) @binding(1) var<storage, read_write> outputKeys: array<u32>;
1170@group(0) @binding(2) var<storage, read> inputValues: array<u32>;
1171@group(0) @binding(3) var<storage, read_write> outputValues: array<u32>;
1172@group(0) @binding(4) var<storage, read_write> b_passHist: array<atomic<u32>>;
1173@group(0) @binding(5) var<storage, read_write> b_index: array<atomic<u32>>;
1174struct OneSweepBinningUniforms {
1175	numKeys: u32,
1176	threadBlocks: u32,
1177	pass_: u32,
1178	flags: u32
1179};
1180@group(0) @binding(6) var<uniform> uniforms: OneSweepBinningUniforms;
1181#ifdef USE_INDIRECT_SORT
1182@group(0) @binding(7) var<storage, read> b_sortElementCount: array<u32>;
1183#endif
1184const RADIX: u32 = 256u;
1185const RADIX_MASK: u32 = 255u;
1186const RADIX_LOG: u32 = 8u;
1187const D_DIM: u32 = {D_DIM}u;
1188const KEYS_PER_THREAD: u32 = {KEYS_PER_THREAD}u;
1189const PART_SIZE: u32 = D_DIM * KEYS_PER_THREAD;
1190const MAX_SUBGROUPS: u32 = {MAX_SUBGROUPS}u;
1191const WAVE_HISTS_SIZE: u32 = MAX_SUBGROUPS * RADIX;
1192const G_D_SIZE: u32 = max(PART_SIZE, WAVE_HISTS_SIZE);
1193const FLAG_NOT_READY: u32 = 0u;
1194const FLAG_REDUCTION: u32 = 1u;
1195const FLAG_INCLUSIVE: u32 = 2u;
1196const FLAG_MASK: u32 = 3u;
1197var<workgroup> g_d: array<atomic<u32>, G_D_SIZE>;
1198var<workgroup> digit_base: array<u32, RADIX>;
1199var<workgroup> sg_totals: array<u32, MAX_SUBGROUPS>;
1200var<workgroup> wg_partIndex: u32;
1201fn passHistOffset(tb: u32, pass_: u32, partitionIdx: u32) -> u32 {
1202	return pass_ * tb * RADIX + partitionIdx * RADIX;
1203}
1204@compute @workgroup_size(D_DIM, 1, 1)
1205fn main(
1206	@builtin(local_invocation_index) TID: u32,
1207	@builtin(subgroup_invocation_id) sgInvId: u32,
1208	@builtin(subgroup_size) sgSize: u32,
1209) {
1210	let waveIndex = TID / sgSize;
1211	let ltMask = (1u << sgInvId) - 1u;
1212	let activeMask = select(0xFFFFFFFFu, (1u << sgSize) - 1u, sgSize < 32u);
1213	let pass_ = uniforms.pass_;
1214	let currentBit = pass_ << 3u;
1215	#ifdef USE_INDIRECT_SORT
1216	let numKeys = b_sortElementCount[0];
1217	let threadBlocks = (numKeys + PART_SIZE - 1u) / PART_SIZE;
1218	#else
1219	let numKeys = uniforms.numKeys;
1220	let threadBlocks = uniforms.threadBlocks;
1221	#endif
1222	let isFirstPass = (uniforms.flags & 1u) != 0u;
1223	let isLastPass = (uniforms.flags & 2u) != 0u;
1224	if (TID == 0u) {
1225		wg_partIndex = atomicAdd(&b_index[pass_], 1u);
1226	}
1227	let partitionIndex = workgroupUniformLoad(&wg_partIndex);
1228	for (var i = TID; i < WAVE_HISTS_SIZE; i = i + D_DIM) {
1229		atomicStore(&g_d[i], 0u);
1230	}
1231	workgroupBarrier();
1232	let tileStart = partitionIndex * PART_SIZE;
1233	let validInBlock = select(
1234		0u,
1235		min(PART_SIZE, numKeys - tileStart),
1236		tileStart < numKeys
1237	);
1238	let subPartSize = sgSize * KEYS_PER_THREAD;
1239	let waveBase = tileStart + waveIndex * subPartSize;
1240	var keys: array<u32, {KEYS_PER_THREAD}>;
1241	var values: array<u32, {KEYS_PER_THREAD}>;
1242	var validMask: u32 = 0u;
1243	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1244		let gid = waveBase + sgInvId + i * sgSize;
1245		let is_valid = gid < numKeys;
1246		keys[i] = select(0xFFFFFFFFu, inputKeys[gid], is_valid);
1247		values[i] = select(
1248			select(0u, inputValues[gid], is_valid),
1249			gid,
1250			isFirstPass
1251		);
1252		if (is_valid) {
1253			validMask = validMask | (1u << i);
1254		}
1255	}
1256	var offsets: array<u32, {KEYS_PER_THREAD}>;
1257	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1258		let k = keys[i];
1259		let isValid = ((validMask >> i) & 1u) == 1u;
1260		let digit = (k >> currentBit) & RADIX_MASK;
1261		var waveFlag: u32 = activeMask;
1262		for (var b = 0u; b < 8u; b = b + 1u) {
1263			let t = ((digit >> b) & 1u) == 1u;
1264			let ballot = subgroupBallot(t).x;
1265			waveFlag = waveFlag & select(~ballot, ballot, t);
1266		}
1267		let validBallot = subgroupBallot(isValid).x;
1268		waveFlag = waveFlag & validBallot;
1269		let peerBits = countOneBits(waveFlag & ltMask);
1270		let totalBits = countOneBits(waveFlag);
1271		let lowestRankPeer = firstTrailingBit(waveFlag);
1272		var preIncrementVal: u32 = 0u;
1273		if (isValid && peerBits == 0u) {
1274			preIncrementVal = atomicAdd(&g_d[waveIndex * RADIX + digit], totalBits);
1275		}
1276		offsets[i] = subgroupShuffle(preIncrementVal, lowestRankPeer) + peerBits;
1277		workgroupBarrier();
1278	}
1279	var myHistRed: u32 = 0u;
1280	{
1281		var histReduction = atomicLoad(&g_d[TID]);
1282		for (var w = 1u; w < MAX_SUBGROUPS; w = w + 1u) {
1283			let idx = TID + w * RADIX;
1284			let cnt = atomicLoad(&g_d[idx]);
1285			histReduction = histReduction + cnt;
1286			atomicStore(&g_d[idx], histReduction - cnt);
1287		}
1288		myHistRed = histReduction;
1289	}
1290	if (partitionIndex + 1u < threadBlocks) {
1291		let dst = passHistOffset(threadBlocks, pass_, partitionIndex + 1u) + TID;
1292		atomicAdd(&b_passHist[dst], FLAG_REDUCTION | (myHistRed << 2u));
1293	}
1294	let warpExcl = subgroupExclusiveAdd(myHistRed);
1295	let warpTotal = subgroupAdd(myHistRed);
1296	if (sgInvId == 0u) {
1297		sg_totals[waveIndex] = warpTotal;
1298	}
1299	workgroupBarrier();
1300	if (TID == 0u) {
1301		var acc: u32 = 0u;
1302		for (var w = 0u; w < MAX_SUBGROUPS; w = w + 1u) {
1303			let t = sg_totals[w];
1304			sg_totals[w] = acc;
1305			acc = acc + t;
1306		}
1307	}
1308	workgroupBarrier();
1309	let myDigitBase = warpExcl + sg_totals[waveIndex];
1310	var scatterPos: array<u32, {KEYS_PER_THREAD}>;
1311	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1312		let k = keys[i];
1313		let digit = (k >> currentBit) & RADIX_MASK;
1314		let warpBase = select(0u, atomicLoad(&g_d[waveIndex * RADIX + digit]), waveIndex > 0u);
1315		scatterPos[i] = offsets[i] + warpBase;
1316	}
1317	digit_base[TID] = myDigitBase;
1318	workgroupBarrier();
1319	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1320		let k = keys[i];
1321		let digit = (k >> currentBit) & RADIX_MASK;
1322		scatterPos[i] = scatterPos[i] + digit_base[digit];
1323	}
1324	workgroupBarrier();
1325	if (TID < RADIX) {
1326		var lookbackReduction: u32 = 0u;
1327		var k: u32 = partitionIndex;
1328		var done: bool = false;

1329		loop {
1330			if (done) { break; }
1331			let flagPayload = atomicLoad(&b_passHist[passHistOffset(threadBlocks, pass_, k) + TID]);
1332			let flag = flagPayload & FLAG_MASK;
1333			if (flag == FLAG_INCLUSIVE) {
1334				lookbackReduction = lookbackReduction + (flagPayload >> 2u);
1335				if (partitionIndex + 1u < threadBlocks) {
1336					let dst = passHistOffset(threadBlocks, pass_, partitionIndex + 1u) + TID;
1337					atomicAdd(&b_passHist[dst], 1u | (lookbackReduction << 2u));
1338				}
1339				digit_base[TID] = lookbackReduction - myDigitBase;
1340				done = true;
1341			} else if (flag == FLAG_REDUCTION) {
1342				lookbackReduction = lookbackReduction + (flagPayload >> 2u);
1343				if (k == 0u) { done = true; }
1344				else { k = k - 1u; }
1345			}
1346		}
1347	}
1348	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1349		if (((validMask >> i) & 1u) == 1u) {
1350			atomicStore(&g_d[scatterPos[i]], keys[i]);
1351		}
1352	}
1353	workgroupBarrier();
1354	var linearDigits: array<u32, {KEYS_PER_THREAD}>;
1355	for (var r = 0u; r < KEYS_PER_THREAD; r = r + 1u) {
1356		let linearIdx = TID + r * D_DIM;
1357		if (linearIdx < validInBlock) {
1358			let k = atomicLoad(&g_d[linearIdx]);
1359			let digit = (k >> currentBit) & RADIX_MASK;
1360			linearDigits[r] = digit;
1361			let globalPos = digit_base[digit] + linearIdx;
1362			if (!isLastPass) {
1363				outputKeys[globalPos] = k;
1364			}
1365		}
1366	}
1367	workgroupBarrier();
1368	for (var i = 0u; i < KEYS_PER_THREAD; i = i + 1u) {
1369		if (((validMask >> i) & 1u) == 1u) {
1370			atomicStore(&g_d[scatterPos[i]], values[i]);
1371		}
1372	}
1373	workgroupBarrier();
1374	for (var r = 0u; r < KEYS_PER_THREAD; r = r + 1u) {
1375		let linearIdx = TID + r * D_DIM;
1376		if (linearIdx < validInBlock) {
1377			let v = atomicLoad(&g_d[linearIdx]);
1378			let digit = linearDigits[r];
1379			let globalPos = digit_base[digit] + linearIdx;
1380			outputValues[globalPos] = v;
1381		}
1382	}
1383}
1384`,_w=256,gw=15,Xh=_w*gw,LM=128,Vp=32768,Yh=256,_l=4;class FM extends dw{_threadBlocks=0;_allocatedThreadBlocks=0;_globalHist=null;_passHist=null;_index=null;

1384_binningDispatchSize=new j(1,1);_globalHistDispatchSize=new j(1,1);_globalHistBindGroupFormat=null;_scanBindGroupFormat=null;_binningBindGroupFormat=null;_globalHistUniformFormat=null;_scanUniformFormat=null;_binningUniformFormat=null;_globalHistShader=null;_scanShader=null;_binningShader=null;_globalHistCompute=null;_scanCompute=null;_binningComputes=[];constructor(e,t=!1){super(e,t);const s=this._indirectInfo;s[0]=2,s[1]=Xh,s[2]=Vp,this._globalHistUniformFormat=new vt(e,[new X("numKeys",le),new X("threadBlocks",le),new X("numPasses",le),new X("_pad",le)]),this._scanUniformFormat=new vt(e,[new X("threadBlocks",le),new X("_pad0",le),new X("_pad1",le),new X("_pad2",le)]),this._binningUniformFormat=new vt(e,[new X("numKeys",le),new X("threadBlocks",le),new X("pass_",le),new X("flags",le)]);const i=e.minSubgroupSize||e.maxSubgroupSize||32,r=Math.max(1,Math.ceil(256/i)),a=t?"Indirect":"",n=[new q("b_sort",G,!0),new q("b_globalHist",G,!1),new At("uniforms",G)],o=[new q("b_globalHist",G,!0),new q("b_passHist",G,!1),new At("uniforms",G)],c=[new q("inputKeys",G,!0),new q("outputKeys",G,!1),new q("inputValues",G,!0),new q("outputValues",G,!1),new q("b_passHist",G,!1),new q("b_index",G,!1),new At("uniforms",G)];t&&(n.push(new q("b_sortElementCount",G,!0)),o.push(new q("b_sortElementCount",G,!0)),c.push(new q("b_sortElementCount",G,!0))),this._globalHistBindGroupFormat=new Ze(e,n),this._scanBindGroupFormat=new Ze(e,o),this._binningBindGroupFormat=new Ze(e,c);const h=new Map;h.set("{G_HIST_DIM}",LM),h.set("{G_HIST_PART_SIZE}",Vp),t&&h.set("USE_INDIRECT_SORT",""),this._globalHistShader=new tt(e,{name:`OneSweepGlobalHist${a}`,shaderLanguage:de,cshader:DM,cdefines:h,computeBindGroupFormat:this._globalHistBindGroupFormat,computeUniformBufferFormats:{uniforms:this._globalHistUniformFormat}});const d=new Map;d.set("{MAX_SUBGROUPS}",r),d.set("{PART_SIZE}",Xh),t&&d.set("USE_INDIRECT_SORT",""),this._scanShader=new tt(e,{name:`OneSweepScan${a}`,shaderLanguage:de,cshader:MM,cdefines:d,computeBindGroupFormat:this._scanBindGroupFormat,computeUniformBufferFormats:{uniforms:this._scanUniformFormat}});const u=new Map;u.set("{D_DIM}",_w),u.set("{KEYS_PER_THREAD}",gw),u.set("{MAX_SUBGROUPS}",r),t&&u.set("USE_INDIRECT_SORT",""),this._binningShader=new tt(e,{name:`OneSweepBinning${a}`,shaderLanguage:de,cshader:RM,cdefines:u,computeBindGroupFormat:this._binningBindGroupFormat,computeUniformBufferFormats:{uniforms:this._binningUniformFormat}}),this._globalHistCompute=new Qe(e,this._globalHistShader,this._globalHistShader.name),this._scanCompute=new Qe(e,this._scanShader,this._scanShader.name)}destroy(){this._destroyBuffers(),this._globalHistShader?.destroy(),this._scanShader?.destroy(),this._binningShader?.destroy(),this._globalHistBindGroupFormat?.destroy(),this._scanBindGroupFormat?.destroy(),this._binningBindGroupFormat?.destroy(),this._globalHistShader=null,this._scanShader=null,this._binningShader=null,this._globalHistCompute=null,this._scanCompute=null,this._binningComputes.length=0,this._globalHistBindGroupFormat=null,this._scanBindGroupFormat=null,this._binningBindGroupFormat=null,this._globalHistUniformFormat=null,this._scanUniformFormat=null,this._binningUniformFormat=null,super.destroy()}_destroyBuffers(){this._destroyPingPongBuffers(),this._globalHist?.destroy(),this._passHist?.destroy(),this._index?.destroy(),this._globalHist=null,this._passHist=null,this._index=null,this._allocatedThreadBlocks=0,this._threadBlocks=0}get radixBits(){return 8}_ensureBinningComputes(e){for(;this._binningComputes.length<e;)this._binningComputes.push(new Qe(this.device,this._binningShader,`OneSweepBinning-${this._binningComputes.length}`))}_allocateBuffers(e,t=!1){const s=Math.max(e,this.capacity),i=Math.max(1,Math.ceil(s/Xh)),r=Math.max(1,Math.ceil(e/Xh));if(t||i!==this._allocatedThreadBlocks||!this._keys0){this._destroyBuffers(),this._allocatedThreadBlocks=i,this.capacity=s;const c=this.device;this._allocatePingPongElementBuffers(s),this._globalHist=new Se(c,_l*Yh*4,ct),this._passHist=new Se(c,_l*i*Yh*4,ct),this._index=new Se(c,_l*4,ct)}this._threadBlocks=r;const n=this.device.limits.maxComputeWorkgroupsPerDimension||65535;

1384Qe.calcDispatchSize(r,this._binningDispatchSize,n);const o=Math.max(1,Math.ceil(e/Vp));Qe.calcDispatchSize(o,this._globalHistDispatchSize,n)}sort(e,t,s=16,i,r=!1,a=!1){const n=s/8,o=!!i;this._elementCount=t,this._numBits=s,this._hasInitialValues=o,this._skipLastPassKeyWrite=r;const c=this._destructiveKeys;this._destructiveKeys=a,this._allocateBuffers(t,a!==c),this._ensureBinningComputes(n),a&&(this._keys1=e);const h=this.device;this._globalHist.clear(),this._passHist.clear(0,_l*this._threadBlocks*Yh*4),this._index.clear();const d=this._globalHistCompute;d.setParameter("b_sort",e),d.setParameter("b_globalHist",this._globalHist),d.setParameter("numKeys",t),d.setParameter("threadBlocks",this._threadBlocks),d.setParameter("numPasses",n),d.setParameter("_pad",0),d.setupDispatch(this._globalHistDispatchSize.x,this._globalHistDispatchSize.y,1),h.computeDispatch([d],"OneSweep-GlobalHist");const u=this._scanCompute;u.setParameter("b_globalHist",this._globalHist),u.setParameter("b_passHist",this._passHist),u.setParameter("threadBlocks",this._threadBlocks),u.setParameter("_pad0",0),u.setParameter("_pad1",0),u.setParameter("_pad2",0),u.setupDispatch(n,1,1),h.computeDispatch([u],"OneSweep-Scan");let f=e,p=i??this._values0,m=this._keys0,_=this._values1;for(let g=0;g<n;g++){const v=g===0&&!o,x=g===n-1,y=(v?1:0)|(x&&r?2:0),S=this._binningComputes[g];if(S.setParameter("inputKeys",f),S.setParameter("outputKeys",m),S.setParameter("inputValues",p),S.setParameter("outputValues",_),S.setParameter("b_passHist",this._passHist),S.setParameter("b_index",this._index),S.setParameter("numKeys",t),S.setParameter("threadBlocks",this._threadBlocks),S.setParameter("pass_",g),S.setParameter("flags",y),S.setupDispatch(this._binningDispatchSize.x,this._binningDispatchSize.y,1),h.computeDispatch([S],`OneSweep-Binning-${g}`),!x){f=m,m=f===this._keys0?this._keys1:this._keys0;const T=p;p=_,_=T}}return this.sortedIndices}sortIndirect(e,t,s,i,r,a,n=!1,o=!1){const c=s/8,h=!!a;this._elementCount=t,this._numBits=s,this._hasInitialValues=h,this._skipLastPassKeyWrite=n;const d=this._destructiveKeys;this._destructiveKeys=o,this._allocateBuffers(t,o!==d),this._ensureBinningComputes(c),o&&(this._keys1=e);const u=this.device;this._globalHist.clear(),this._passHist.clear(0,_l*this._allocatedThreadBlocks*Yh*4),this._index.clear();const f=this._globalHistCompute;f.setParameter("b_sort",e),f.setParameter("b_globalHist",this._globalHist),f.setParameter("b_sortElementCount",r),f.setParameter("numKeys",0),f.setParameter("threadBlocks",0),f.setParameter("numPasses",c),f.setParameter("_pad",0),f.setupIndirectDispatch(i+1),u.computeDispatch([f],"OneSweep-GlobalHistIndirect");const p=this._scanCompute;p.setParameter("b_globalHist",this._globalHist),p.setParameter("b_passHist",this._passHist),p.setParameter("b_sortElementCount",r),p.setParameter("threadBlocks",0),p.setParameter("_pad0",0),p.setParameter("_pad1",0),p.setParameter("_pad2",0),p.setupDispatch(c,1,1),u.computeDispatch([p],"OneSweep-ScanIndirect");let m=e,_=a??this._values0,g=this._keys0,v=this._values1;for(let x=0;x<c;x++){const y=x===0&&!h,S=x===c-1,T=(y?1:0)|(S&&n?2:0),w=this._binningComputes[x];if(w.setParameter("inputKeys",m),w.setParameter("outputKeys",g),w.setParameter("inputValues",_),w.setParameter("outputValues",v),w.setParameter("b_passHist",this._passHist),w.setParameter("b_index",this._index),w.setParameter("b_sortElementCount",r),w.setParameter("numKeys",0),w.setParameter("threadBlocks",0),w.setParameter("pass_",x),w.setParameter("flags",T),w.setupIndirectDispatch(i),u.computeDispatch([w],`OneSweep-BinningIndirect-${x}`),!S){m=g,g=m===this._keys0?this._keys1:this._keys0;const C=_;_=v,v=C}}return this.sortedIndices}}class OM{_impl;constructor(e,t={}){const s=t.kind??fS,i=t.indirect??!1;let r=s;s===fS&&(r=this._canUseOneSweep(e)?pS:jI),r===pS?(this._canUseOneSweep(e),this._impl=new FM(e,i)):this._impl=new IM(e,i)}_canUseOneSweep(e){return!(!e.supportsCompute||!e.supportsSubgroups||e.gpuAdapter?.info?.vendor?.toLowerCase?.()!=="nvidia"||e.minSubgroupSize>32)}get sortedIndices(){return this._impl.sortedIndices}get sortedKeys(){return this._impl.sortedKeys}get radixBits(){return this._impl.radixBits}set capacity(e){this._impl.capacity=e}get capacity(){return this._impl.capacity}sort(e,t,s=16,i,r,a=!1){return this._impl.sort(e,t,s,i,r,a)}sortIndirect(e,t,s,i,r,a,n,o=!1){return this._impl.sortIndirect(e,t,s,i,r,a,n,o)}prepareIndirect(){return this._impl.prepareIndirect()}destroy(){this._impl.destroy()}}class vw{hasTangents=!1;shaderChunks=null;pass=0;alphaTest=!1;blendType=Ns;separateAmbient=!1;screenSpace=!1;skin=!1;batch=!1;useInstancing=!1;useMorphPosition=!1;useMorphNormal=!1;useMorphTextureBasedInt=!1;nineSlicedMode=0;clusteredLightingEnabled=!0;clusteredLightingCookiesEnabled=!1;clusteredLightingShadowsEnabled=!1;clusteredLightingShadowType=0;clusteredLightingAreaLightsEnabled=!1;vertexColors=!1;useVertexColorGamma=!1;lightMapEnabled=!1;dirLightMapEnabled=!1;useHeights=!1;useNormals=!1;useClearCoatNormals=!1;useAo=!1;diffuseMapEnabled=!1;pixelSnap=!1;ambientSH=!1;ssao=!1;

1384twoSidedLighting=!1;occludeDirect=!1;occludeSpecular=0;occludeSpecularFloat=!1;useMsdf=!1;msdfTextAttribute=!1;alphaToCoverage=!1;opacityFadesSpecular=!1;opacityDither=on;opacityShadowDither=on;cubeMapProjection=0;useSpecular=!1;useSpecularityFactor=!1;enableGGXSpecular=!1;fresnelModel=0;useRefraction=!1;useClearCoat=!1;useSheen=!1;useIridescence=!1;useMetalness=!1;useDynamicRefraction=!1;dispersion=!1;fog=vn;gamma=qc;toneMap=-1;reflectionSource=Jr;reflectionEncoding=null;reflectionCubemapEncoding=null;ambientSource="constant";ambientEncoding=null;skyboxIntensity=1;useCubeMapRotation=!1;lightMapWithoutAmbient=!1;lights=[];noShadow=!1;lightMaskDynamic=0;userAttributes={};linearDepth=!1;shadowCatcher=!1}class ui{static update(e,t,s,i,r,a,n){ui.updateSharedOptions(e,t,s,r,a),ui.updateMaterialOptions(e,t),ui.updateEnvOptions(e,t,s,i),ui.updateLightingOptions(e,t,s,r,n)}static updateSharedOptions(e,t,s,i,r){e.shaderChunks=t.shaderChunks,e.pass=r,e.alphaTest=t.alphaTest>0,e.blendType=t.blendType,e.screenSpace=i&&(i&cu)!==0,e.skin=i&&(i&fc)!==0,e.useInstancing=i&&(i&pc)!==0,e.useMorphPosition=i&&(i&mc)!==0,e.useMorphNormal=i&&(i&_c)!==0,e.useMorphTextureBasedInt=i&&(i&gc)!==0,e.hasTangents=i&&(i&Ng)!==0,e.nineSlicedMode=t.nineSlicedMode||Fi,t.useLighting&&s.clusteredLightingEnabled?(e.clusteredLightingEnabled=!0,e.clusteredLightingCookiesEnabled=s.lighting.cookiesEnabled,e.clusteredLightingShadowsEnabled=s.lighting.shadowsEnabled,e.clusteredLightingShadowType=s.lighting.shadowType,e.clusteredLightingAreaLightsEnabled=s.lighting.areaLightsEnabled):(e.clusteredLightingEnabled=!1,e.clusteredLightingCookiesEnabled=!1,e.clusteredLightingShadowsEnabled=!1,e.clusteredLightingAreaLightsEnabled=!1)}static updateMaterialOptions(e,t){e.separateAmbient=!1,e.pixelSnap=t.pixelSnap,e.ambientSH=t.ambientSH,e.twoSidedLighting=t.twoSidedLighting,e.occludeDirect=t.occludeDirect,e.occludeSpecular=t.occludeSpecular,e.occludeSpecularFloat=t.occludeSpecularIntensity!==1,e.useMsdf=!1,e.msdfTextAttribute=!1,e.alphaToCoverage=t.alphaToCoverage,e.opacityFadesSpecular=t.opacityFadesSpecular,e.opacityDither=t.opacityDither,e.cubeMapProjection=Mg,e.useSpecular=t.hasSpecular,e.useSpecularityFactor=t.hasSpecularityFactor,e.enableGGXSpecular=t.ggxSpecular,e.useAnisotropy=!1,e.fresnelModel=t.fresnelModel,e.useRefraction=t.hasRefraction,e.useClearCoat=t.hasClearCoat,e.useSheen=t.hasSheen,e.useIridescence=t.hasIrridescence,e.useMetalness=t.hasMetalness,e.useDynamicRefraction=t.dynamicRefraction,e.dispersion=t.dispersion>0,e.vertexColors=!1,e.lightMapEnabled=t.hasLighting,e.dirLightMapEnabled=t.dirLightMap,e.useHeights=t.hasHeights,e.useNormals=t.hasNormals,e.useClearCoatNormals=t.hasClearCoatNormals,e.useAo=t.hasAo,e.diffuseMapEnabled=t.hasDiffuseMap}static updateEnvOptions(e,t,s,i){e.fog=t.useFog?i.fog:vn,e.gamma=i.shaderOutputGamma,e.toneMap=t.useTonemap?i.toneMapping:Rg,t.useSkybox&&s.envAtlas&&s.skybox?(e.reflectionSource=nu,e.reflectionEncoding=s.envAtlas.encoding,e.reflectionCubemapEncoding=s.skybox.encoding):t.useSkybox&&s.envAtlas?(e.reflectionSource=au,e.reflectionEncoding=s.envAtlas.encoding):t.useSkybox&&s.skybox?(e.reflectionSource=ou,e.reflectionEncoding=s.skybox.encoding):(e.reflectionSource=Jr,e.reflectionEncoding=null),t.ambientSH?(e.ambientSource=Lg,e.ambientEncoding=null):e.reflectionSource!==Jr&&s.envAtlas?(e.ambientSource=Fg,e.ambientEncoding=s.envAtlas.encoding):(e.ambientSource=Og,e.ambientEncoding=null);const r=e.reflectionSource!==Jr;e.skyboxIntensity=r,e.useCubeMapRotation=r&&s._skyboxRotationShaderInclude}static updateLightingOptions(e,t,s,i,r){if(e.lightMapWithoutAmbient=!1,t.useLighting){const a=[],n=i?i>>16:Js;e.lightMaskDynamic=!!(n&Js),e.lightMapWithoutAmbient=!1,r&&(ui.collectLights(Te,r[Te],a,n),s.clusteredLightingEnabled||(ui.collectLights(ot,r[ot],a,n),ui.collectLights(nt,r[nt],a,n))),e.lights=a}else e.lights=[];(e.lights.length===0&&!s.clusteredLightingEnabled||(i&lu)!==0)&&(e.noShadow=!0)}static collectLights(e,t,s,i){for(let r=0;r<t.length;r++){const a=t[r];a.enabled&&a.mask&i&&s.push(a)}}}const Gp={vertex_normal:Cs,vertex_tangent:Gi,vertex_texCoord0:Zs,vertex_texCoord1:pn,vertex_color:ns,vertex_boneWeights:ki,vertex_boneIndices:Bs};class BM{varyingsCode="";device;options;shaderLanguage;vDefines=new Map;fDefines=new Map;includes=new Map;chunks=null;constructor(e,t,s=!0){this.device=e,this.options=t;const i=t.shaderChunks;if(this.shaderLanguage=e.isWebGPU&&s&&(!i||i.useWGSL)?de:ze,e.isWebGPU&&this.shaderLanguage===ze&&e.hasTranspilers,this.attributes={vertex_position:Ie},t.userAttributes)for(const[a,n]of Object.entries(t.userAttributes))this.attributes[n]=a;const r=be.get(e,this.shaderLanguage);this.chunks=new Map(r),i&&(this.shaderLanguage===ze?i.glsl:i.wgsl).forEach((n,o)=>{for(const c in Gp)Gp.hasOwnProperty(c)&&n.indexOf(c)>=0&&(this.attributes[c]=Gp[c]);this.chunks.set(o,n)}),this.shaderPassInfo=zi.get(this.device).getByIndex(t.pass),this.shadowPass=this.shaderPassInfo.isShadow,this.lighting=t.lights.length>0||t.dirLightMapEnabled||t.clusteredLightingEnabled,this.reflections=t.reflectionSource!==Jr,this.needsNormal=this.lighting||this.reflections||t.useSpecular||t.ambientSH||t.useHeights||t.enableGGXSpecular||t.clusteredLightingEnabled&&!this.shadowPass||t.useClearCoatNormals,this.needsNormal=this.needsNormal&&!this.shadowPass,this.needsSceneColor=t.useDynamicRefraction,this.needsScreenSize=t.useDynamicRefraction,this.needsTransforms=t.useDynamicRefraction,this.vshader=null,this.fshader=null}fDefineSet(e,t,s=""){e&&this.fDefines.set(t,s)}generateVertexShader(e,t,s){const{options:i,vDefines:r,attributes:a}=this,n=new Map;if(n.set("vPositionW","vec3"),(i.nineSlicedMode===kt||i.nineSlicedMode===Ut)&&r.set("NINESLICED",!0),this.options.linearDepth&&(r.set("LINEAR_DEPTH",!0),n.set("vLinearDepth","float")),this.needsNormal&&r.set("NORMALS",!0),this.options.useInstancing){const d=be.get(this.device,this.shaderLanguage);this.chunks.get("transformInstancingVS")===d.get("transformInstancingVS")&&(a.instance_line1=dg,a.instance_line2=ug,a.instance_line3=fg,a.instance_line4=Io)}this.needsNormal&&(a.vertex_normal=Cs,n.set("vNormalW","vec3"),i.hasTangents&&(i.useHeights||i.useNormals||i.useClearCoatNormals||i.enableGGXSpecular)?(r.set("TANGENTS",!0),a.vertex_tangent=Gi,n.set("vTangentW","vec3"),n.set("vBinormalW","vec3")):i.enableGGXSpecular&&(r.set("GGX_SPECULAR",!0),n.set("vObjectSpaceUpW","vec3")));const o=2;for(let d=0;d<o;d++)e[d]&&(r.set(`UV${d}`,!0),a[`vertex_texCoord${d}`]=`TEXCOORD${d}`),t[d]&&(r.set(`UV${d}_UNMODIFIED`,!0),n.set(`vUv${d}`,"vec2"));let c=0;const h=new Set;

1384s.forEach(d=>{const{id:u,uv:f,name:p}=d,m=u+f*100;if(!h.has(m)){h.add(m),n.set(`vUV${f}_${u}`,"vec2");const _=`texture_${p}MapTransform`;r.set(`{TRANSFORM_NAME_${c}}`,_),r.set(`{TRANSFORM_UV_${c}}`,f),r.set(`{TRANSFORM_ID_${c}}`,u),c++}}),r.set("UV_TRANSFORMS_COUNT",c),i.vertexColors&&(a.vertex_color=ns,r.set("VERTEX_COLOR",!0),n.set("vVertexColor","vec4"),i.useVertexColorGamma&&r.set("STD_VERTEX_COLOR_GAMMA","")),i.useMsdf&&i.msdfTextAttribute&&(a.vertex_outlineParameters=ic,a.vertex_shadowParameters=rc,r.set("MSDF",!0)),(i.useMorphPosition||i.useMorphNormal)&&(r.set("MORPHING",!0),i.useMorphTextureBasedInt&&r.set("MORPHING_INT",!0),i.useMorphPosition&&r.set("MORPHING_POSITION",!0),i.useMorphNormal&&r.set("MORPHING_NORMAL",!0),a.morph_vertex_id=Io),i.skin&&(a.vertex_boneIndices=Bs,i.batch?r.set("BATCH",!0):(a.vertex_boneWeights=ki,r.set("SKIN",!0))),i.useInstancing&&r.set("INSTANCING",!0),i.screenSpace&&r.set("SCREENSPACE",!0),i.pixelSnap&&r.set("PIXELSNAP",!0),n.forEach((d,u)=>{this.varyingsCode+=`#define VARYING_${u.toUpperCase()}
1385`,this.varyingsCode+=this.shaderLanguage===de?`varying ${u}: ${Zx.get(d)};
1386`:`varying ${d} ${u};
1387`}),this.includes.set("varyingsVS",this.varyingsCode),this.includes.set("varyingsPS",this.varyingsCode),this.vshader=`
1388						#include "litMainVS"
1389				`}_setupLightingDefines(e,t){const s=this.fDefines,i=this.options;if(this.fDefines.set("LIGHT_COUNT",i.lights.length),e&&s.set("AREA_LIGHTS",!0),t&&this.lighting&&(s.set("LIT_CLUSTERED_LIGHTS",!0),i.clusteredLightingCookiesEnabled&&s.set("CLUSTER_COOKIES",!0),i.clusteredLightingAreaLightsEnabled&&s.set("CLUSTER_AREALIGHTS",!0),i.lightMaskDynamic&&s.set("CLUSTER_MESH_DYNAMIC_LIGHTS",!0),i.clusteredLightingShadowsEnabled&&!i.noShadow)){const r=yr.get(i.clusteredLightingShadowType);s.set("CLUSTER_SHADOWS",!0),s.set(`SHADOW_KIND_${r.kind}`,!0),s.set(`CLUSTER_SHADOW_TYPE_${r.kind}`,!0)}for(let r=0;r<i.lights.length;r++){const a=i.lights[r],n=a._type;if(t&&n!==Te)continue;const o=e&&a._shape?a._shape:Sr,c=a._shadowType,h=a.castShadows&&!i.noShadow,d=yr.get(c);s.set(`LIGHT${r}`,!0),s.set(`LIGHT${r}TYPE`,`${oS[n]}`),s.set(`LIGHT${r}SHADOWTYPE`,`${d.name}`),s.set(`LIGHT${r}SHAPE`,`${pI[o]}`),s.set(`LIGHT${r}FALLOFF`,`${mI[a._falloffMode]}`),a.affectSpecularity&&s.set(`LIGHT${r}AFFECT_SPECULARITY`,!0),a._cookie&&(n===nt&&!a._cookie._cubemap||n===ot&&a._cookie._cubemap)&&(s.set(`LIGHT${r}COOKIE`,!0),s.set(`{LIGHT${r}COOKIE_CHANNEL}`,a._cookieChannel),n===nt&&(a._cookieTransform&&s.set(`LIGHT${r}COOKIE_TRANSFORM`,!0),a._cookieFalloff&&s.set(`LIGHT${r}COOKIE_FALLOFF`,!0))),h&&(s.set(`LIGHT${r}CASTSHADOW`,!0),d.pcf&&s.set(`LIGHT${r}SHADOW_PCF`,!0),a._normalOffsetBias&&!a._isVsm&&s.set(`LIGHT${r}_SHADOW_SAMPLE_NORMAL_OFFSET`,!0),n===Te&&(s.set(`LIGHT${r}_SHADOW_SAMPLE_ORTHO`,!0),a.cascadeBlend>0&&s.set(`LIGHT${r}_SHADOW_CASCADE_BLEND`,!0),a.numCascades>1&&s.set(`LIGHT${r}_SHADOW_CASCADES`,!0)),(d.pcf||d.pcss||this.device.isWebGPU)&&s.set(`LIGHT${r}_SHADOW_SAMPLE_SOURCE_ZBUFFER`,!0),n===ot&&s.set(`LIGHT${r}_SHADOW_SAMPLE_POINT`,!0)),h&&(s.set(`SHADOW_KIND_${d.kind}`,!0),n===Te&&s.set("SHADOW_DIRECTIONAL",!0))}}prepareForwardPass(e){const{options:t}=this,i=t.clusteredLightingEnabled&&t.clusteredLightingAreaLightsEnabled||t.lights.some(n=>n._shape&&n._shape!==Sr),r=!t.lightMapEnabled||t.lightMapWithoutAmbient,a=this.needsNormal&&(t.useNormals||t.useClearCoatNormals||t.enableGGXSpecular&&!t.useHeights);t.useSpecular&&(this.fDefineSet(!0,"LIT_SPECULAR"),this.fDefineSet(this.reflections,"LIT_REFLECTIONS"),this.fDefineSet(t.useClearCoat,"LIT_CLEARCOAT"),this.fDefineSet(t.fresnelModel>0,"LIT_SPECULAR_FRESNEL"),this.fDefineSet(t.useSheen,"LIT_SHEEN"),this.fDefineSet(t.useIridescence,"LIT_IRIDESCENCE")),this.fDefineSet(this.lighting&&t.useSpecular||this.reflections,"LIT_SPECULAR_OR_REFLECTION"),this.fDefineSet(this.needsSceneColor,"LIT_SCENE_COLOR"),this.fDefineSet(this.needsScreenSize,"LIT_SCREEN_SIZE"),this.fDefineSet(this.needsTransforms,"LIT_TRANSFORMS"),this.fDefineSet(this.needsNormal,"LIT_NEEDS_NORMAL"),this.fDefineSet(this.lighting,"LIT_LIGHTING"),this.fDefineSet(t.useMetalness,"LIT_METALNESS"),this.fDefineSet(t.enableGGXSpecular,"LIT_GGX_SPECULAR"),this.fDefineSet(t.useAnisotropy,"LIT_ANISOTROPY"),this.fDefineSet(t.useSpecularityFactor,"LIT_SPECULARITY_FACTOR"),this.fDefineSet(t.useCubeMapRotation,"CUBEMAP_ROTATION"),this.fDefineSet(t.occludeSpecularFloat,"LIT_OCCLUDE_SPECULAR_FLOAT"),this.fDefineSet(t.separateAmbient,"LIT_SEPARATE_AMBIENT"),this.fDefineSet(t.twoSidedLighting,"LIT_TWO_SIDED_LIGHTING"),this.fDefineSet(t.lightMapEnabled,"LIT_LIGHTMAP"),this.fDefineSet(t.dirLightMapEnabled,"LIT_DIR_LIGHTMAP"),this.fDefineSet(t.skyboxIntensity>0,"LIT_SKYBOX_INTENSITY"),this.fDefineSet(t.clusteredLightingShadowsEnabled,"LIT_CLUSTERED_SHADOWS"),this.fDefineSet(t.clusteredLightingAreaLightsEnabled,"LIT_CLUSTERED_AREA_LIGHTS"),this.fDefineSet(a,"LIT_TBN"),this.fDefineSet(r,"LIT_ADD_AMBIENT"),this.fDefineSet(t.hasTangents,"LIT_TANGENTS"),this.fDefineSet(t.useNormals,"LIT_USE_NORMALS"),this.fDefineSet(t.useClearCoatNormals,"LIT_USE_CLEARCOAT_NORMALS"),this.fDefineSet(t.useRefraction,"LIT_REFRACTION"),this.fDefineSet(t.useDynamicRefraction,"LIT_DYNAMIC_REFRACTION"),this.fDefineSet(t.dispersion,"LIT_DISPERSION"),this.fDefineSet(t.useHeights,"LIT_HEIGHTS"),this.fDefineSet(t.opacityFadesSpecular,"LIT_OPACITY_FADES_SPECULAR"),this.fDefineSet(t.alphaToCoverage,"LIT_ALPHA_TO_COVERAGE"),this.fDefineSet(t.alphaTest,"LIT_ALPHA_TEST"),this.fDefineSet(t.useMsdf,"LIT_MSDF"),this.fDefineSet(t.ssao,"LIT_SSAO"),this.fDefineSet(t.useAo,"LIT_AO"),this.fDefineSet(t.occludeDirect,"LIT_OCCLUDE_DIRECT"),this.fDefineSet(t.msdfTextAttribute,"LIT_MSDF_TEXT_ATTRIBUTE"),this.fDefineSet(t.diffuseMapEnabled,"LIT_DIFFUSE_MAP"),this.fDefineSet(t.shadowCatcher,"LIT_SHADOW_CATCHER"),this.fDefineSet(!0,"LIT_FRESNEL_MODEL",uI[t.fresnelModel]),this.fDefineSet(!0,"LIT_NONE_SLICE_MODE",DI[t.nineSlicedMode]),this.fDefineSet(!0,"LIT_BLEND_TYPE",uT[t.blendType]),this.fDefineSet(!0,"LIT_CUBEMAP_PROJECTION",xI[t.cubeMapProjection]),this.fDefineSet(!0,"LIT_OCCLUDE_SPECULAR",bI[t.occludeSpecular]),this.fDefineSet(!0,"LIT_REFLECTION_SOURCE",AI[t.reflectionSource]),this.fDefineSet(!0,"LIT_AMBIENT_SOURCE",PI[t.ambientSource]),this.fDefineSet(!0,"{lightingUv}",e??""),this.fDefineSet(!0,"{reflectionDecode}",ta.decodeFunc(t.reflectionEncoding)),this.fDefineSet(!0,"{reflectionCubemapDecode}",ta.decodeFunc(t.reflectionCubemapEncoding)),this.fDefineSet(!0,"{ambientDecode}",ta.decodeFunc(t.ambientEncoding)),this._setupLightingDefines(i,t.clusteredLightingEnabled)}preparePrepassPass(){const{options:e}=this;this.fDefineSet(e.alphaTest,"LIT_ALPHA_TEST"),this.fDefineSet(!0,"STD_OPACITY_DITHER",OT[e.opacitySh

1389adowDither])}prepareShadowPass(){const{options:e}=this,t=this.shaderPassInfo.lightType,s=this.shaderPassInfo.shadowType,i=yr.get(s),r=t===Te||!i.vsm&&t===nt;this.fDefineSet(r,"PERSPECTIVE_DEPTH"),this.fDefineSet(!0,"LIGHT_TYPE",`${oS[t]}`),this.fDefineSet(!0,"SHADOW_TYPE",`${i.name}`),this.fDefineSet(e.alphaTest,"LIT_ALPHA_TEST")}generateFragmentShader(e,t,s){const i=this.options;this.includes.set("frontendDeclPS",e??""),this.includes.set("frontendCodePS",t??""),i.pass===If||(i.pass===Pf?this.preparePrepassPass():this.shadowPass?this.prepareShadowPass():this.prepareForwardPass(s)),this.fshader=`
1390						#include "litMainPS"
1391				`}}const Sw={generateKey(l){return`lit${Object.keys(l).sort().map(e=>e==="shaderChunks"?l.shaderChunks?.key??"":e==="lights"?Sw.generateLightsKey(l):e+l[e]).join(`
1392`)}`},generateLightsKey(l){return`lights:${l.lights.map(e=>!l.clusteredLightingEnabled||e._type===Te?`${e.key},`:"").join("")}`}};class yc{defines=new Map;forceUv1=!1;specularTint=!1;metalnessTint=!1;glossTint=!1;emissiveEncoding="linear";lightMapEncoding="linear";vertexColorGamma=!1;packedNormal=!1;normalDetailPackedNormal=!1;clearCoatPackedNormal=!1;glossInvert=!1;sheenGlossInvert=!1;clearCoatGlossInvert=!1;useAO=!1;litOptions=new vw;get pass(){return this.litOptions.pass}}const wo=[],Hp=l=>Object.keys(l).filter(e=>e!=="litOptions").sort();class NM extends ln{optionsContext=new yc;optionsContextMin=new yc;generateKey(e){let t;return e===this.optionsContextMin?(this.propsMin||(this.propsMin=Hp(e)),t=this.propsMin):e===this.optionsContext?(this.props||(this.props=Hp(e)),t=this.props):t=Hp(e),`standard:
1393${ln.definesHash(e.defines)}
1394${t.map(r=>r+e[r]).join(`
1395`)}${Sw.generateKey(e.litOptions)}`}_getUvSourceExpression(e,t,s){const i=s[e],r=s[t],a=s.litOptions.pass===Ko;let n;return a&&s.litOptions.nineSlicedMode===kt||a&&s.litOptions.nineSlicedMode===Ut?n="nineSlicedUv":(i===0?n=`vUv${r}`:n=`vUV${r}_${i}`,s.heightMap&&e!=="heightMapTransform"&&(n+=" + dUvOffset")),n}_validateMapChunk(e,t,s,i){}_addMapDefines(e,t,s,i,r,a,n=null){const o=`${t}Map`,c=t.toUpperCase(),h=`${o}Uv`,d=`${o}Identifier`,u=`${o}Transform`,f=`${o}Channel`,p=`${t}VertexColorChannel`,m=`${t}Tint`,_=`${t}VertexColor`,g=`${t}Mode`,v=`${t}Invert`,x=i[m],y=i[_],S=i[o],T=i[d],w=i[g],C=r.get(s);if(S){e.set(`STD_${c}_TEXTURE`,"");const b=this._getUvSourceExpression(u,h,i);e.set(`{STD_${c}_TEXTURE_UV}`,b),e.set(`{STD_${c}_TEXTURE_CHANNEL}`,i[f]);const I=`{STD_${c}_TEXTURE_NAME}`;if(C.includes(I)){let P=`texture_${o}`;const L=a[T];L?P=L:(a[T]=P,e.set(`STD_${c}_TEXTURE_ALLOCATE`,"")),e.set(I,P)}if(n){const P=i[f]==="aaa"?"passThrough":ta.decodeFunc(n);e.set(`{STD_${c}_TEXTURE_DECODE}`,P)}}y&&(e.set(`STD_${c}_VERTEX`,""),e.set(`{STD_${c}_VERTEX_CHANNEL}`,i[p])),w&&e.set(`{STD_${c}_DETAILMODE}`,w),x&&e.set(`STD_${c}_CONSTANT`,""),i[v]&&e.set(`STD_${c}_INVERT`,"")}_correctChannel(e,t,s){if(s[e]>0){if(s[e]<t.length)return t.substring(0,s[e]);if(s[e]>t.length){let i=t;const r=i.charAt(i.length-1),a=s[e]-i.length;for(let n=0;n<a;n++)i+=r;return i}return t}}createVertexShader(e,t){const s=[],i=[],r=[];for(const n in wo){const o=`${n}Map`;if(t[`${n}VertexColor`]){const c=`${n}VertexColorChannel`;t[c]=this._correctChannel(n,t[c],wo)}if(t[o]){const c=`${o}Channel`,h=`${o}Transform`,d=`${o}Uv`;t[d]=Math.min(t[d],1),t[c]=this._correctChannel(n,t[c],wo);const u=t[d];s[u]=!0,i[u]=i[u]||t[o]&&!t[h],t[h]&&r.push({name:n,id:t[h],uv:t[d]})}}t.forceUv1&&(s[1]=!0,i[1]=i[1]!==void 0?i[1]:!0),e.generateVertexShader(s,i,r)}prepareFragmentDefines(e,t,s){const i=(r,a,n="")=>{r&&t.set(a,n)};i(e.lightMap,"STD_LIGHTMAP",""),i(e.lightVertexColor,"STD_LIGHT_VERTEX_COLOR",""),i(e.dirLightMap&&e.litOptions.useSpecular,"STD_LIGHTMAP_DIR",""),i(e.heightMap,"STD_HEIGHT_MAP",""),i(e.useSpecularColor,"STD_SPECULAR_COLOR",""),i(e.aoMap||e.aoVertexColor||e.useAO,"STD_AO",""),i(!0,"STD_OPACITY_DITHER",OT[s.isForward?e.litOptions.opacityDither:e.litOptions.opacityShadowDither])}createShaderDefinition(e,t){const s=zi.get(e).getByIndex(t.litOptions.pass),i=s.isForward,r=new BM(e,t.litOptions);this.createVertexShader(r,t);const a={};t.litOptions.fresnelModel=t.litOptions.fresnelModel===0?Ag:t.litOptions.fresnelModel;const n=r.fDefines;this.prepareFragmentDefines(t,n,s);let o="";if(i){if(t.heightMap&&this._addMapDefines(n,"height","parallaxPS",t,r.chunks,a),(t.litOptions.blendType!==Ns||t.litOptions.alphaTest||t.litOptions.alphaToCoverage||t.litOptions.opacityDither!==on)&&this._addMapDefines(n,"opacity","opacityPS",t,r.chunks,a),r.needsNormal){if((t.normalMap||t.clearCoatNormalMap)&&!t.litOptions.hasTangents){const u=t.

1395normalMap?"normalMap":"clearCoatNormalMap";o=this._getUvSourceExpression(`${u}Transform`,`${u}Uv`,t)}this._addMapDefines(n,"normalDetail","normalMapPS",t,r.chunks,a,t.normalDetailPackedNormal?"xy":"xyz"),this._addMapDefines(n,"normal","normalMapPS",t,r.chunks,a,t.packedNormal?"xy":"xyz")}t.diffuseDetail&&this._addMapDefines(n,"diffuseDetail","diffusePS",t,r.chunks,a,t.diffuseDetailEncoding),this._addMapDefines(n,"diffuse","diffusePS",t,r.chunks,a,t.diffuseEncoding),t.litOptions.useRefraction&&(this._addMapDefines(n,"refraction","transmissionPS",t,r.chunks,a),this._addMapDefines(n,"thickness","thicknessPS",t,r.chunks,a)),t.litOptions.useIridescence&&(this._addMapDefines(n,"iridescence","iridescencePS",t,r.chunks,a),this._addMapDefines(n,"iridescenceThickness","iridescenceThicknessPS",t,r.chunks,a)),(r.lighting&&t.litOptions.useSpecular||r.reflections)&&(t.litOptions.useSheen&&(this._addMapDefines(n,"sheen","sheenPS",t,r.chunks,a,t.sheenEncoding),this._addMapDefines(n,"sheenGloss","sheenGlossPS",t,r.chunks,a)),t.litOptions.useMetalness&&(this._addMapDefines(n,"metalness","metalnessPS",t,r.chunks,a),this._addMapDefines(n,"ior","iorPS",t,r.chunks,a)),t.litOptions.useSpecularityFactor&&this._addMapDefines(n,"specularityFactor","specularityFactorPS",t,r.chunks,a),t.useSpecularColor&&this._addMapDefines(n,"specular","specularPS",t,r.chunks,a,t.specularEncoding),this._addMapDefines(n,"gloss","glossPS",t,r.chunks,a)),t.aoDetail&&this._addMapDefines(n,"aoDetail","aoPS",t,r.chunks,a),(t.aoMap||t.aoVertexColor||t.useAO)&&this._addMapDefines(n,"ao","aoPS",t,r.chunks,a),this._addMapDefines(n,"emissive","emissivePS",t,r.chunks,a,t.emissiveEncoding),t.litOptions.useClearCoat&&(this._addMapDefines(n,"clearCoat","clearCoatPS",t,r.chunks,a),this._addMapDefines(n,"clearCoatGloss","clearCoatGlossPS",t,r.chunks,a),this._addMapDefines(n,"clearCoatNormal","clearCoatNormalPS",t,r.chunks,a,t.clearCoatPackedNormal?"xy":"xyz")),t.litOptions.enableGGXSpecular&&this._addMapDefines(n,"anisotropy","anisotropyPS",t,r.chunks,a),(t.lightMap||t.lightVertexColor)&&this._addMapDefines(n,"light","lightmapPS",t,r.chunks,a,t.lightMapEncoding)}else{const u=t.litOptions.opacityShadowDither;(t.litOptions.alphaTest||u)&&this._addMapDefines(n,"opacity","opacityPS",t,r.chunks,a)}r.generateFragmentShader(r.chunks.get("stdDeclarationPS"),r.chunks.get("stdFrontEndPS"),o);const c=du.merge(r.chunks,r.includes),h=r.vDefines;t.defines.forEach((u,f)=>h.set(f,u)),t.defines.forEach((u,f)=>n.set(f,u));const d=Ht.createDefinition(e,{name:"StandardShader",attributes:r.attributes,shaderLanguage:r.shaderLanguage,vertexCode:r.vshader,fragmentCode:r.fshader,vertexIncludes:c,fragmentIncludes:c,fragmentDefines:n,vertexDefines:h});return r.shaderPassInfo.isForward&&(d.tag=QE),d}}const Wp=new NM,gy=(l,e)=>{if(l.length!==e.length)return!1;for(let t=0;t<l.length;++t)if(l[t]!==e[t])return!1;return!0},kM=l=>l.r!==1||l.g!==1||l.b!==1,UM=l=>l.r!==0||l.g!==0||l.b!==0;class zM{constructor(){this._mapXForms=null}updateMinRef(e,t,s,i,r,a){this._updateSharedOptions(e,t,s,i,r),this._updateMinOptions(e,s,r),this._updateUVOptions(e,s,i,!0)}updateRef(e,t,s,i,r,a,n){this._updateSharedOptions(e,t,i,r,a),this._updateEnvOptions(e,i,t,s),this._updateMaterialOptions(e,i,t),e.litOptions.hasTangents=r&&(r&Ng)!==0,this._updateLightOptions(e,t,i,r,n),this._updateUVOptions(e,i,r,!1,s)}_updateSharedOptions(e,t,s,i,r){e.forceUv1=s.forceUv1,s.userAttributes&&(e.litOptions.userAttributes=Object.fromEntries(s.userAttributes.entries())),e.litOptions.shaderChunks=s.shaderChunks,e.litOptions.pass=r,e.litOptions.alphaTest=s.alphaTest>0,e.litOptions.blendType=s.blendType,e.litOptions.screenSpace=i&&(i&cu)!==0,e.litOptions.skin=i&&(i&fc)!==0,e.litOptions.batch=i&&(i&Ed)!==0,e.litOptions.useInstancing=i&&(i&pc)!==0,e.litOptions.useMorphPosition=i&&(i&mc)!==0,e.litOptions.useMorphNormal=i&&(i&_c)!==0,e.litOptions.useMorphTextureBasedInt=i&&(i&gc)!==0,e.litOptions.nineSlicedMode=s.nineSlicedMode||0,t.clusteredLightingEnabled&&s.useLighting?(e.litOptions.clusteredLightingEnabled=!0,e.litOptions.clusteredLightingCookiesEnabled=t.lighting.cookiesEnabled,e.litOptions.clusteredLightingShadowsEnabled=t.lighting.shadowsEnabled,e.litOptions.clusteredLightingShadowType=t.lighting.shadowType,e.litOptions.clusteredLightingAreaLightsEnabled=t.lighting.areaLightsEnabled):(e.litOptions.clusteredLightingEnabled=!1,e.litOptions.clusteredLightingCookiesEnabled=!1,e.litOptions.clusteredLightingShadowsEnabled=!1,e.litOptions.clusteredLightingAreaLightsEnabled=!1)}_updateUVOptions(e,t,s,i,r){let a=!1,n=!1,o=!1;s&&(a=(s&Bg)!==0,n=(s&IT)!==0,o=(s&DT)!==0),e.litOptions.vertexColors=!1,this._mapXForms=[];const c={};for(const h in wo)this._updateTexOptions(e,t,h,a,n,o,i,c);this._mapXForms=null,e.litOptions.ssao=r?.ssaoEnabled,e.useAO=e.litOptions.ssao,e.litOptions.lightMapEnabled=e.lightMap,e.litOptions.dirLightMapEnabled=e.dirLightMap,e.litOptions.useHeights=e.heightMap,e.litOptions.useNormals=e.normalMap,e.litOptions.useClearCoatNormals=e.clearCoatNormalMap,e.litOptions.useAo=e.aoMap||e.aoVertexColor||e.litOptions.ssao,e.litOptions.diffuseMapEnabled=e.diffuseMap}_updateTexOptions(e,t,s,i,r,a,n,o){const c=s==="opacity";if(!n||c){const h=`${s}Map`,d=`${s}VertexColor`,u=`${s}VertexColorChannel`,f=`${h}Channel`,p=`${h}Transform`,m=`${h}Uv`,_=`${h}Identifier`;if(s!=="light"&&(e[h]=!1,e[_]=void 0,e[f]="",e[p]=0,e[m]=0),e[d]=!1,e[u]="",c&&t.blendType===Ns&&t.alphaTest===0&&!t.alphaToCoverage&&t.opacityDither===on)return;if(s!=="height"&&t[d]&&a&&(e[d]=t[d],e[u]=t[u],e.litOptions.vertexColors=!0),t[h]){let g=!0;if(t[m]===0&&!i&&(g=!1),t[m]===1&&!r&&(g=!1),g){const v=t[h].id;let x=o[v];x===void 0&&(o[v]=s,x=s),e[h]=!!t[h],e[_]=x,e[p]=this._getMapTransformID(t.getUniform(p),t[m]),e[f]=t[f],e[m]=t[m]}}}}_updateMinOptions(e,t,s){const i=s===Pf;

1395e.litOptions.opacityShadowDither=i?t.opacityDither:t.opacityShadowDither,e.litOptions.linearDepth=i,e.litOptions.lights=[]}_updateMaterialOptions(e,t,s){const i=!!(t.useMetalness||t.specularMap||t.sphereMap||t.cubeMap||UM(t.specular)||t.specularityFactor>0&&t.useMetalness||t.enableGGXSpecular||t.clearCoat>0),r=!t.useMetalness||t.useMetalnessSpecularColor,a=i&&(t.specularTint||kM(t.specular)),n=i&&t.useMetalnessSpecularColor&&(t.specularityFactorTint||t.specularityFactor!==1),o=h=>h?h.format===Ho||h.type===nc:!1,c=(h,d)=>Math.abs(h-d)<1e-4;e.specularTint=a,e.specularityFactorTint=n,e.metalnessTint=t.useMetalness&&t.metalness<1,e.glossTint=!0,e.diffuseEncoding=t.diffuseMap?.encoding,e.diffuseDetailEncoding=t.diffuseDetailMap?.encoding,e.emissiveEncoding=t.emissiveMap?.encoding,e.lightMapEncoding=t.lightMap?.encoding,e.packedNormal=o(t.normalMap),e.refractionTint=!c(t.refraction,1),e.refractionIndexTint=!c(t.refractionIndex,1/1.5),e.thicknessTint=t.useDynamicRefraction&&t.thickness!==1,e.specularEncoding=t.specularMap?.encoding,e.sheenEncoding=t.sheenMap?.encoding,e.aoMapUv=t.aoUvSet,e.aoDetail=!!t.aoDetailMap,e.diffuseDetail=!!t.diffuseDetailMap,e.normalDetail=!!t.normalMap,e.normalDetailPackedNormal=o(t.normalDetailMap),e.diffuseDetailMode=t.diffuseDetailMode,e.aoDetailMode=t.aoDetailMode,e.clearCoatGloss=!!t.clearCoatGloss,e.clearCoatPackedNormal=o(t.clearCoatNormalMap),e.iorTint=!c(t.refractionIndex,1/1.5),s.forcePassThroughSpecular&&(e.specularEncoding="linear",e.sheenEncoding="linear"),e.iridescenceTint=t.iridescence!==1,e.glossInvert=t.glossInvert,e.sheenGlossInvert=t.sheenGlossInvert,e.clearCoatGlossInvert=t.clearCoatGlossInvert,e.useSpecularColor=r,e.litOptions.separateAmbient=!1,e.litOptions.pixelSnap=t.pixelSnap,e.litOptions.ambientSH=!!t.ambientSH,e.litOptions.twoSidedLighting=t.twoSidedLighting,e.litOptions.occludeSpecular=t.occludeSpecular,e.litOptions.occludeSpecularFloat=t.occludeSpecularIntensity!==1,e.litOptions.useMsdf=!!t.msdfMap,e.litOptions.msdfTextAttribute=!!t.msdfTextAttribute,e.litOptions.alphaToCoverage=t.alphaToCoverage,e.litOptions.opacityFadesSpecular=t.opacityFadesSpecular,e.litOptions.opacityDither=t.opacityDither,e.litOptions.cubeMapProjection=t.cubeMapProjection,e.litOptions.occludeDirect=t.occludeDirect,e.litOptions.useSpecular=i,e.litOptions.useSpecularityFactor=(n||!!t.specularityFactorMap)&&t.useMetalnessSpecularColor,e.litOptions.enableGGXSpecular=t.enableGGXSpecular,e.litOptions.useAnisotropy=t.enableGGXSpecular&&(t.anisotropyIntensity>0||!!t.anisotropyMap),e.litOptions.fresnelModel=t.fresnelModel,e.litOptions.useRefraction=(t.refraction||!!t.refractionMap)&&(t.useDynamicRefraction||e.litOptions.reflectionSource!==Jr),e.litOptions.useClearCoat=!!t.clearCoat,e.litOptions.useSheen=t.useSheen,e.litOptions.useIridescence=t.useIridescence&&t.iridescence!==0,e.litOptions.useMetalness=t.useMetalness,e.litOptions.useDynamicRefraction=t.useDynamicRefraction,e.litOptions.dispersion=t.dispersion>0,e.litOptions.shadowCatcher=t.shadowCatcher,e.litOptions.useVertexColorGamma=t.vertexColorGamma}_updateEnvOptions(e,t,s,i){e.litOptions.fog=t.useFog?i.fog:vn,e.litOptions.gamma=i.shaderOutputGamma,e.litOptions.toneMap=t.useTonemap?i.toneMapping:Rg;let r=!1;if(t.envAtlas&&t.cubeMap?(e.litOptions.reflectionSource=nu,e.litOptions.reflectionEncoding=t.envAtlas.encoding,e.litOptions.reflectionCubemapEncoding=t.cubeMap.encoding):t.envAtlas?(e.litOptions.reflectionSource=au,e.litOptions.reflectionEncoding=t.envAtlas.encoding):t.cubeMap?(e.litOptions.reflectionSource=ou,e.litOptions.reflectionEncoding=t.cubeMap.encoding):t.sphereMap?(e.litOptions.reflectionSource=PT,e.litOptions.reflectionEncoding=t.sphereMap.encoding):t.useSkybox&&s.envAtlas&&s.skybox?(e.litOptions.reflectionSource=nu,e.litOptions.reflectionEncoding=s.envAtlas.encoding,e.litOptions.reflectionCubemapEncoding=s.skybox.encoding,r=!0):t.useSkybox&&s.envAtlas?(e.litOptions.reflectionSource=au,e.litOptions.reflectionEncoding=s.envAtlas.encoding,r=!0):t.useSkybox&&s.skybox?(e.litOptions.reflectionSource=ou,e.litOptions.reflectionEncoding=s.skybox.encoding,r=!0):(e.litOptions.reflectionSource=Jr,e.litOptions.reflectionEncoding=null),t.ambientSH)e.litOptions.ambientSource=Lg,e.litOptions.ambientEncoding=null;else{const a=t.envAtlas||(t.useSkybox&&s.envAtlas?s.envAtlas:null);a&&!t.sphereMap?(e.litOptions.ambientSource=Fg,e.litOptions.ambientEncoding=a.encoding):(e.litOptions.ambientSource=Og,e.litOptions.ambientEncoding=null)}e.litOptions.skyboxIntensity=r,e.litOptions.useCubeMapRotation=r&&s._skyboxRotationShaderInclude}_updateLightOptions(e,t,s,i,r){if(e.lightMap=!1,e.lightMapChannel="",e.lightMapUv=0,e.lightMapTransform=0,e.litOptions.lightMapWithoutAmbient=!1,e.dirLightMap=!1,i&&(e.litOptions.noShadow=(i&lu)!==0,(i&Km)!==0&&(e.lightMapEncoding=t.lightmapPixelFormat===Re?"rgbm":"linear",e.lightMap=!0,e.lightMapChannel="rgb",e.lightMapUv=1,e.lightMapTransform=0,e.litOptions.lightMapWithoutAmbient=!s.lightMap,(i&MT)!==0&&(e.dirLightMap=!0),(i&RT)!==0&&(e.litOptions.lightMapWithoutAmbient=!1))),s.useLighting){const a=[],n=i?i>>16:Js;e.litOptions.lightMaskDynamic=!!(n&Js),r&&(ui.collectLights(Te,r[Te],a,n),t.clusteredLightingEnabled||(ui.collectLights(ot,r[ot],a,n),ui.collectLights(nt,r[nt],a,n))),e.litOptions.lights=a}else e.litOptions.lights=[];e.litOptions.lights.length===0&&!t.clusteredLightingEnabled&&(e.litOptions.noShadow=!0)}_getMapTransformID(e,t){if(!e)return 0;let s=this._mapXForms[t];s||(s=[],this._mapXForms[t]=s);for(let i=0;i<s.length;i++)if(gy(s[i][0].value,e[0].value)&&gy(s[i][1].value,e[1].value))return i+1;return s.push(e)}}function _t(l,e=!0,t=!0){const s={};return s[`${l}Map`]="texture",s[`${l}MapTiling`]="vec2",s[`${l}MapOffset`]="vec2",s[`${l}MapRotation`]="number",s[`${l}MapUv`]="number",e&&(s[`${l}MapChannel`]="string",t&&(s[`${l}VertexColor`]="boolean",s[`${l}VertexColorChannel`]="string")),s}const zo={name:"string",chunks:"chunks",mappingFormat:"string",_engine:"boolean",ambient:"rgb",..._t("ao"),..._t("aoDetail",!0,!1),aoDetailMode:"string",aoIntensity:"number",diffuse:"rgb",..._t("diffuse"),..._t("diffuseDetail",!0,!1),diffuseDetailMode:"string",vertexColorGamma:"boolean",specular:"rgb",specularTint:"boolean",..._t("specular"),occludeSpecular:"enum:occludeSpecular",specularityFactor:"number",specularityFactorTint:"boolean",..._t("specularityFactor"),useMetalness:"boolean",metalness:"number",enableGGXSpecular:"boolean",metalnessTint:"boolean",..._t("metalness"),useMetalnessSpecularColor:"boolean",anisotropyIntensity:"number",anisotropyRotation:"number",..._t("anisotropy"),shininess:"number",gloss:"number",glossInvert:"boolean",..._t("gloss"),clearCoat:"number",..._t("clearCoat"),clearCoatGloss:"number",clearCoatGlossInvert:"boolean",..._t("clearCoatGloss"),clearCoatBumpiness:"number",..._t("clearCoatNormal",!1),useSheen:"boolean",sheen:"rgb",..._t("sheen"),sheenGloss:"number",sheenGlossInvert:"boolean",..._t("sheenGloss"),fresnelModel:"number",emissive:"rgb",..._t("emissive"),emissiveIntensity:"number",..._t("normal",!1),bumpiness:"number",..._t("normalDetail",!1),normalDetailMapBumpine

1395ss:"number",..._t("height",!0,!1),heightMapFactor:"number",alphaToCoverage:"boolean",alphaTest:"number",alphaFade:"number",alphaDither:"number",opacity:"number",..._t("opacity"),opacityFadesSpecular:"boolean",opacityDither:"string",opacityShadowDither:"string",reflectivity:"number",refraction:"number",refractionTint:"boolean",..._t("refraction"),refractionIndex:"number",dispersion:"number",thickness:"number",thicknessTint:"boolean",..._t("thickness"),attenuation:"rgb",attenuationDistance:"number",useDynamicRefraction:"boolean",sphereMap:"texture",cubeMap:"cubemap",cubeMapProjection:"number",cubeMapProjectionBox:"boundingbox",useIridescence:"boolean",iridescence:"number",iridescenceTint:"boolean",..._t("iridescence"),iridescenceThicknessTint:"boolean",iridescenceThicknessMin:"number",iridescenceThicknessMax:"number",iridescenceRefractionIndex:"number",..._t("iridescenceThickness"),..._t("light"),depthTest:"boolean",depthFunc:"enum:depthFunc",depthWrite:"boolean",depthBias:"number",slopeDepthBias:"number",cull:"enum:cull",blendType:"enum:blendType",useFog:"boolean",useLighting:"boolean",useSkybox:"boolean",useTonemap:"boolean",envAtlas:"texture",twoSidedLighting:"boolean",shadowCatcher:"boolean"},Rf=[];for(const l in zo)zo[l]==="texture"&&Rf.push(l);const Hg=[];for(const l in zo)zo[l]==="cubemap"&&Hg.push(l);const VM={aoMapVertexColor:"boolean",diffuseMapTint:"boolean",diffuseMapVertexColor:"boolean",emissiveMapTint:"boolean",emissiveMapVertexColor:"boolean",glossMapVertexColor:"boolean",metalnessMapVertexColor:"boolean",opacityMapVertexColor:"boolean",specularAntialias:"boolean",specularMapTint:"boolean",specularMapVertexColor:"boolean",ambientTint:"boolean",emissiveTint:"boolean",diffuseTint:"boolean",sheenTint:"boolean",conserveEnergy:"boolean",useGamma:"boolean",useGammaTonemap:"boolean",sheenGlossTint:"boolean",anisotropy:"boolean"},Id={},yw={};let gl=new Set;const jh=new Q;class Es extends yn{static TEXTURE_PARAMETERS=Rf;static CUBEMAP_PARAMETERS=Hg;userAttributes=new Map;onUpdateShader;constructor(){super(),this._assetReferences={},this._activeParams=new Set,this._activeLightingParams=new Set,this.shaderOptBuilder=new zM,this.reset()}reset(){Object.keys(Id).forEach(e=>{this[`_${e}`]=Id[e].value()}),this._uniformCache={}}copy(e){return super.copy(e),Object.keys(Id).forEach(t=>{this[t]=e[t]}),this._alphaDither=e._alphaDither,this.userAttributes=new Map(e.userAttributes),this}setAttribute(e,t){this.userAttributes.set(t,e)}_setParameter(e,t){gl.add(e),this.setParameter(e,t)}_setParameters(e){e.forEach(t=>{this._setParameter(t.name,t.value)})}_processParameters(e){const t=this[e];t.forEach(s=>{gl.has(s)||delete this.parameters[s]}),this[e]=gl,gl=t,gl.clear()}_updateMap(e){const t=`${e}Map`,s=this[t];if(s){this._setParameter(`texture_${t}`,s);const i=`${t}Transform`,r=this.getUniform(i);r&&this._setParameters(r)}}_allocUniform(e,t){let s=this._uniformCache[e];return s||(s=t(),this._uniformCache[e]=s),s}getUniform(e,t,s){return yw[e](this,t,s)}updateUniforms(e,t){const s=n=>this.getUniform(n,e,t);this._setParameter("material_ambient",s("ambient")),this._setParameter("material_diffuse",s("diffuse")),this._setParameter("material_aoIntensity",this.aoIntensity);const i=this.specular.r!==1||this.specular.g!==1||this.specular.b!==1,r=!this.specularMap||this.specularTint||i;this.useMetalness?((!this.metalnessMap||this.metalness<1)&&this._setParameter("material_metalness",this.metalness),r&&this._setParameter("material_specular",s("specular")),(!this.specularityFactorMap||this.specularityFactorTint||this.specularityFactor!==1)&&this._setParameter("material_specularityFactor",this.specularityFactor),this._setParameter("material_sheen",s("sheen")),this._setParameter("material_sheenGloss",this.sheenGloss),this._setParameter("material_refractionIndex",this.refractionIndex)):r&&this._setParameter("material_specular",s("specular")),this.enableGGXSpecular&&(this._setParameter("material_anisotropyIntensity",this.anisotropyIntensity),this._setParameter("material_anisotropyRotation",[Math.cos(this.anisotropyRotation*H.DEG_TO_RAD),Math.sin(this.anisotropyRotation*H.DEG_TO_RAD)])),this.clearCoat>0&&(this._setParameter("material_clearCoat",this.clearCoat),this._setParameter("material_clearCoatGloss",this.clearCoatGloss),this._setParameter("material_clearCoatBumpiness",this.clearCoatBumpiness)),this._setParameter("material_gloss",this.gloss),this._setParameter("material_emissive",s("emissive")),this._setParameter("material_emissiveIntensity",this.emissiveIntensity),this.refraction>0&&this._setParameter("material_refraction",this.refraction),this.dispersion>0&&this._setParameter("material_dispersion",this.dispersion),this.useDynamicRefraction&&(this._setParameter("material_thickness",this.thickness),this._setParameter("material_attenuation",s("attenuation")),this._setParameter("material_invAttenuationDistance",this.attenuationDistance===0?0:1/this.attenuationDistance)),this.useIridescence&&(this._setParameter("material_iridescence",this.iridescence),this._setParameter("material_iridescenceRefractionIndex",this.iridescenceRefractionIndex),this._setParameter("material_iridescenceThicknessMin",this.iridescenceThicknessMin),this._setParameter("material_iridescenceThicknessMax",this.iridescenceThicknessMax)),this._setParameter("material_opacity",this.opacity);const a=this._opacity>0?this.alphaDither/this._opacity:1;this._setParameter("material_alphaDitherScale",a),this.opacityFadesSpecular===!1&&this._setParameter("material_alphaFade",this.alphaFade),this.occludeSpecular&&this._setParameter("material_occludeSpecularIntensity",this.occludeSpecularIntensity),this.cubeMapProjection===CT&&this._setParameter(s("cubeMapProjectionBox"));for(const n in wo)this._updateMap(n);this.ambientSH&&this._setParameter("ambientSH[0]",this.ambientSH),this.normalMap&&this._setParameter("material_bumpiness",this.bumpiness),this.normalMap&&this.normalDetailMap&&this._setParameter("material_normalDetailMapBumpine

1395ss",this.normalDetailMapBumpiness),this.heightMap&&this._setParameter("material_heightMapFactor",s("heightMapFactor")),this.envAtlas&&this.cubeMap?(this._setParameter("texture_envAtlas",this.envAtlas),this._setParameter("texture_cubeMap",this.cubeMap)):this.envAtlas?this._setParameter("texture_envAtlas",this.envAtlas):this.cubeMap?this._setParameter("texture_cubeMap",this.cubeMap):this.sphereMap&&this._setParameter("texture_sphereMap",this.sphereMap),this._setParameter("material_reflectivity",this.reflectivity),this._processParameters("_activeParams"),super.updateUniforms(e,t)}updateEnvUniforms(e,t){!(this.envAtlas||this.cubeMap||this.sphereMap)&&this.useSkybox&&(t.envAtlas&&t.skybox?(this._setParameter("texture_envAtlas",t.envAtlas),this._setParameter("texture_cubeMap",t.skybox)):t.envAtlas?this._setParameter("texture_envAtlas",t.envAtlas):t.skybox&&this._setParameter("texture_cubeMap",t.skybox)),this._processParameters("_activeLightingParams")}getShaderVariant(e){const{device:t,scene:s,pass:i,objDefs:r,sortedLights:a,cameraShaderParams:n}=e;this.updateEnvUniforms(t,s);const o=zi.get(t).getByIndex(i),c=i===If||i===Pf||o.isShadow;let h=c?Wp.optionsContextMin:Wp.optionsContext;h.defines=Qt.getCoreDefines(this,e),c?this.shaderOptBuilder.updateMinRef(h,s,this,r,i,a):this.shaderOptBuilder.updateRef(h,s,n,this,r,i,a),this.useFog||h.defines.set("FOG","NONE"),h.defines.set("TONEMAP",ET[h.litOptions.toneMap]),this.onUpdateShader&&(h=this.onUpdateShader(h));const d=new Df(e.viewUniformFormat,e.viewBindGroupFormat,e.vertexFormat),u=ko(t);return u.register("standard",Wp),u.getProgram("standard",h,d,this.userId)}destroy(){for(const e in this._assetReferences)this._assetReferences[e]._unbind();this._assetReferences=null,super.destroy()}}const Lf=(l,e)=>{yw[l]=e},Wg=(l,e,t,s)=>{Object.defineProperty(Es.prototype,l,{get:s||function(){return this[`_${l}`]},set:t}),Id[l]={value:e}},GM=l=>{const e=`_${l.name}`,t=l.dirtyShaderFunc||(()=>!0),s=function(i){const r=this[e];r!==i&&(this._dirtyShader=this._dirtyShader||t(r,i),this[e]=i)};Wg(l.name,()=>l.defaultValue,s,l.getterFunc)},HM=l=>{const e=`_${l.name}`,t=l.dirtyShaderFunc||(()=>!0),s=function(i){const r=this[e];r.equals(i)||(this._dirtyShader=this._dirtyShader||t(r,i),this[e]=r.copy(i))};Wg(l.name,()=>l.defaultValue.clone(),s,l.getterFunc)},Os=l=>l.defaultValue&&l.defaultValue.clone?HM(l):GM(l);function ft(l,e="rgb",t=!0,s=0){wo[l]=e.length||-1,Os({name:`${l}Map`,defaultValue:null,dirtyShaderFunc:(o,c)=>!!o!=!!c||o&&(o.type!==c.type||o.format!==c.format)}),Os({name:`${l}MapTiling`,defaultValue:new j(1,1)}),Os({name:`${l}MapOffset`,defaultValue:new j(0,0)}),Os({name:`${l}MapRotation`,defaultValue:0}),Os({name:`${l}MapUv`,defaultValue:s}),e&&(Os({name:`${l}MapChannel`,defaultValue:e}),t&&(Os({name:`${l}VertexColor`,defaultValue:!1}),Os({name:`${l}VertexColorChannel`,defaultValue:e})));const i=`${l}MapTiling`,r=`${l}MapOffset`,a=`${l}MapRotation`,n=`${l}MapTransform`;Lf(n,(o,c,h)=>{const d=o[i],u=o[r],f=o[a];if(d.x===1&&d.y===1&&u.x===0&&u.y===0&&f===0)return null;const p=o._allocUniform(n,()=>[{name:`texture_${n}0`,value:new Float32Array(3)},{name:`texture_${n}1`,value:new Float32Array(3)}]),m=Math.cos(f*H.DEG_TO_RAD),_=Math.sin(f*H.DEG_TO_RAD),g=p[0].value;g[0]=m*d.x,g[1]=-_*d.y,g[2]=u.x;const v=p[1].value;return v[0]=_*d.x,v[1]=m*d.y,v[2]=1-d.y-u.y,p})}function zn(l,e){Os({name:l,defaultValue:e,getterFunc:function(){return this._dirtyShader=!0,this[`_${l}`]}}),Lf(l,(t,s,i)=>{const r=t._allocUniform(l,()=>new Float32Array(3)),a=t[l];return jh.linear(a),r[0]=jh.r,r[1]=jh.g,r[2]=jh.b,r})}function Ke(l,e,t){Os({name:l,defaultValue:e,dirtyShaderFunc:(s,i)=>(s===0||s===1)!=(i===0||i===1)}),Lf(l,t)}function vl(l,e){Os({name:l,defaultValue:null,dirtyShaderFunc:(t,s)=>!!t==!!s}),Lf(l,e)}function Xe(l,e){Os({name:l,defaultValue:e})}function WM(){zn("ambient",new Q(1,1,1)),zn("diffuse",new Q(1,1,1)),zn("specular",new Q(0,0,0)),zn("emissive",new Q(0,0,0)),zn("sheen",new Q(1,1,1)),zn("attenuation",new Q(1,1,1)),Ke("emissiveIntensity",1),Ke("specularityFactor",1),Ke("sheenGloss",0),Ke("gloss",.25),Ke("aoIntensity",1),Ke("heightMapFactor",1,(s,i,r)=>

1395s.heightMapFactor*.025),Ke("opacity",1),Ke("alphaFade",1),Os({name:"alphaDither",defaultValue:null,dirtyShaderFunc:()=>!1,getterFunc:function(){return this._alphaDither??this._opacity}}),Ke("alphaTest",0),Ke("bumpiness",1),Ke("normalDetailMapBumpiness",1),Ke("reflectivity",1),Ke("occludeSpecularIntensity",1),Ke("refraction",0),Ke("refractionIndex",1/1.5,(s,i,r)=>Math.max(.001,s.refractionIndex)),Ke("dispersion",0),Ke("thickness",0),Ke("attenuationDistance",0),Ke("metalness",1),Ke("anisotropyIntensity",0),Ke("anisotropyRotation",0),Ke("clearCoat",0),Ke("clearCoatGloss",1),Ke("clearCoatBumpiness",1),Ke("aoUvSet",0,null),Ke("iridescence",0),Ke("iridescenceRefractionIndex",1/1.5),Ke("iridescenceThicknessMin",0),Ke("iridescenceThicknessMax",0),vl("ambientSH"),vl("cubeMapProjectionBox",(s,i,r)=>{const a=s._allocUniform("cubeMapProjectionBox",()=>[{name:"envBoxMin",value:new Float32Array(3)},{name:"envBoxMax",value:new Float32Array(3)}]),n=s.cubeMapProjectionBox.getMin(),o=a[0].value;o[0]=n.x,o[1]=n.y,o[2]=n.z;const c=s.cubeMapProjectionBox.getMax(),h=a[1].value;return h[0]=c.x,h[1]=c.y,h[2]=c.z,a}),Xe("specularTint",!1),Xe("specularityFactorTint",!1),Xe("useMetalness",!1),Xe("useMetalnessSpecularColor",!1),Xe("useSheen",!1),Xe("enableGGXSpecular",!1),Xe("occludeDirect",!1),Xe("opacityFadesSpecular",!0),Xe("occludeSpecular",Af),Xe("fresnelModel",Ag),Xe("useDynamicRefraction",!1),Xe("cubeMapProjection",Mg),Xe("useFog",!0),Xe("useLighting",!0),Xe("useTonemap",!0),Xe("useSkybox",!0),Xe("forceUv1",!1),Xe("pixelSnap",!1),Xe("twoSidedLighting",!1),Xe("nineSlicedMode",void 0),Xe("msdfTextAttribute",!1),Xe("useIridescence",!1),Xe("glossInvert",!1),Xe("sheenGlossInvert",!1),Xe("clearCoatGlossInvert",!1),Xe("opacityDither",on),Xe("opacityShadowDither",on),Xe("shadowCatcher",!1),Xe("vertexColorGamma",!1),ft("diffuse"),ft("specular"),ft("emissive"),ft("thickness","g"),ft("specularityFactor","g"),ft("normal",""),ft("metalness","g"),ft("gloss","g"),ft("opacity","a"),ft("refraction","g"),ft("height","g",!1),ft("ao","g"),ft("light","rgb",!0,1),ft("msdf",""),ft("diffuseDetail","rgb",!1),ft("normalDetail",""),ft("aoDetail","g",!1),ft("clearCoat","g"),ft("clearCoatGloss","g"),ft("clearCoatNormal",""),ft("sheen","rgb"),ft("sheenGloss","g"),ft("iridescence","g"),ft("iridescenceThickness","g"),ft("anisotropy",""),Xe("diffuseDetailMode",lS),Xe("aoDetailMode",lS),vl("cubeMap"),vl("sphereMap"),vl("envAtlas");const l=function(){return this._prefilteredCubemaps},e=function(s){const i=this._prefilteredCubemaps;s=s||[];let r=!1,a=!0;for(let n=0;n<6;++n){const o=s[n]||null;i[n]!==o&&(i[n]=o,r=!0),a=a&&!!i[n]}r&&(a?this.envAtlas=nw.generatePrefilteredAtlas(i,{target:this.envAtlas}):this.envAtlas&&(this.envAtlas.destroy(),this.envAtlas=null),this._dirtyShader=!0)},t=[null,null,null,null,null,null];Wg("prefilteredCubemaps",()=>t.slice(),e,l)}WM();const di=8/64,Mi=1-di*2;class Xg extends un{constructor(e,t,s,i,r,a){super();const n=new E,o=new E,c=new E,h=new E,d=new E,u=new E,f=[],p=[],m=[],_=[],g=[];let v;if(s>0)for(let x=0;x<=i;x++)for(let y=0;y<=r;y++){const S=y/r*2*Math.PI-Math.PI,T=Math.sin(S),w=Math.cos(S);d.set(T*e,-s/2,w*e),h.set(T*t,s/2,w*t),n.lerp(d,h,x/i),o.sub2(h,d).normalize(),u.set(w,0,-T),c.cross(u,o).normalize(),f.push(n.x,n.y,n.z),p.push(c.x,c.y,c.z);let C=y/r,b=x/i;m.push(C,1-b);const I=b;if(b=C,C=I,C=C*Mi+di,b=b*Mi+di,C/=3,_.push(C,1-b),x<i&&y<r){const P=x*(r+1)+y,L=x*(r+1)+(y+1),O=(x+1)*(r+1)+y,D=(x+1)*(r+1)+(y+1);g.push(P,L,O),g.push(L,D,O)}}if(a){const x=Math.floor(r/2),y=r,S=s/2;for(let T=0;T<=x;T++){const w=T*Math.PI*.5/x,C=Math.sin(w),b=Math.cos(w);for(let I=0;I<=y;I++){const P=I*2*Math.PI/y-Math.PI/2,L=Math.sin(P),D=Math.cos(P)*C,N=b,k=L*C;let A=1-I/y,M=1-T/x;f.push(D*t,N*t+S,k*t),p.push(D,N,k),m.push(A,1-M),A=A*Mi+di,M=M*Mi+di,A/=3,M/=3,A+=1/3,_.push(A,1-M)}}v=(i+1)*(r+1);for(let T=0;T<x;++T)for(let w=0;w<y;++w){const C=T*(y+1)+w,b=C+y+1;g.push(v+C+1,v+b,v+C),g.push(v+C+1,v+b+1,v+b)}for(let T=0;T<=x;T++){const w=Math.PI*.5+T*Math.PI*.5/x,C=Math.sin(w),b=Math.cos(w);for(let I=0;I<=y;I++){const P=I*2*Math.PI/y-Math.PI/2,L=Math.sin(P),D=Math.cos(P)*C,N=b,k=L*C;let A=1-I/y,M=1-T/x;f.push(D*t,N*t-S,k*t),p.push(D,N,k),m.push(A,1-M),A=A*Mi+di,M=M*Mi+di,A/=3,M/=3,A+=2/3,_.push(A,1-M)}}v=(i+1)*(r+1)+(y+1)*(x+1);for(let T=0;T<x;++T)for(let w=0;w<y;++w){const C=T*(y+1)+w,b=C+y+1;g.push(v+C+1,v+b,v+C),g.push(v+C+1,v+b+1,v+b)}}else{if(v=(i+1)*(r+1),e>0)for(let x=0;x<r;x++){const y=x/r*2*Math.PI,S=Math.sin(y),T=-s/2,w=Math.cos(y);let C=1-(S+1)/2,b=(w+1)/2;

1395f.push(S*e,T,w*e),p.push(0,-1,0),m.push(C,1-b),C=C*Mi+di,b=b*Mi+di,C/=3,b/=3,C+=1/3,_.push(C,1-b),x>1&&g.push(v,v+x,v+x-1)}if(v+=r,t>0)for(let x=0;x<r;x++){const y=x/r*2*Math.PI,S=Math.sin(y),T=s/2,w=Math.cos(y);let C=1-(S+1)/2,b=(w+1)/2;f.push(S*t,T,w*t),p.push(0,1,0),m.push(C,1-b),C=C*Mi+di,b=b*Mi+di,C/=3,b/=3,C+=2/3,_.push(C,1-b),x>1&&g.push(v,v+x-1,v+x)}}this.positions=f,this.normals=p,this.uvs=m,this.uvs1=_,this.indices=g}}class XM extends Xg{constructor(e={}){const t=e.radius??.3,s=e.height??1,i=e.heightSegments??1,r=e.sides??20;super(t,t,s-2*t,i,r,!0),e.calculateTangents&&(this.tangents=ma(this.positions,this.normals,this.uvs,this.indices))}}class YM extends Xg{constructor(e={}){const t=e.baseRadius??.5,s=e.peakRadius??0,i=e.height??1,r=e.heightSegments??5,a=e.capSegments??18;super(t,s,i,r,a,!1),e.calculateTangents&&(this.tangents=ma(this.positions,this.normals,this.uvs,this.indices))}}class jM extends Xg{constructor(e={}){const t=e.radius??.5,s=e.height??1,i=e.heightSegments??5,r=e.capSegments??20;super(t,t,s,i,r,!1),e.calculateTangents&&(this.tangents=ma(this.positions,this.normals,this.uvs,this.indices))}}class qM extends un{constructor(e={}){super();const t=e.halfExtents??new j(.5,.5),s=e.widthSegments??5,i=e.lengthSegments??5,r=[],a=[],n=[],o=[];let c=0;for(let h=0;h<=s;h++)for(let d=0;d<=i;d++){const u=-t.x+2*t.x*h/s,f=0,p=-(-t.y+2*t.y*d/i),m=h/s,_=d/i;r.push(u,f,p),a.push(0,1,0),n.push(m,1-_),h<s&&d<i&&(o.push(c+i+1,c+1,c),o.push(c+i+1,c+i+2,c+1)),c++}this.positions=r,this.normals=a,this.uvs=n,this.uvs1=n,this.indices=o,e.calculateTangents&&(this.tangents=ma(r,a,n,o))}}class $M extends un{constructor(e={}){super();const t=e.tubeRadius??.2,s=e.ringRadius??.3,i=(e.sectorAngle??360)*H.DEG_TO_RAD,r=e.segments??30,a=e.sides??20,n=[],o=[],c=[],h=[];for(let d=0;d<=a;d++)for(let u=0;u<=r;u++){const f=Math.cos(i*u/r)*(s+t*Math.cos(2*Math.PI*d/a)),p=Math.sin(2*Math.PI*d/a)*t,m=Math.sin(i*u/r)*(s+t*Math.cos(2*Math.PI*d/a)),_=Math.cos(i*u/r)*Math.cos(2*Math.PI*d/a),g=Math.sin(2*Math.PI*d/a),v=Math.sin(i*u/r)*Math.cos(2*Math.PI*d/a),x=d/a,y=1-u/r;if(n.push(f,p,m),o.push(_,g,v),c.push(x,1-y),d<a&&u<r){const S=d*(r+1)+u,T=(d+1)*(r+1)+u,w=d*(r+1)+(u+1),C=(d+1)*(r+1)+(u+1);h.push(S,T,w),h.push(T,C,w)}}this.positions=n,this.normals=o,this.uvs=c,this.uvs1=c,this.indices=h,e.calculateTangents&&(this.tangents=ma(n,o,c,h))}}class KM{processedCache=new Map;definitionsCache=new Map;_generators=new Map;constructor(e,t){this._device=e,this._isClearingCache=!1,this._precached=!1,this._programsCollection=[],this._defaultStdMatOption=new yc,this._defaultStdMatOptionMin=new yc;const s=new WT;t.shaderOptBuilder.updateRef(this._defaultStdMatOption,{},s,t,null,[],Ko,null),t.shaderOptBuilder.updateMinRef(this._defaultStdMatOptionMin,{},t,null,FT,null),e.on("destroy:shader",i=>{this.removeFromCache(i)})}destroy(){this.clearCache()}register(e,t){this._generators.has(e)||this._generators.set(e,t)}unregister(e){this._generators.has(e)&&this._generators.delete(e)}isRegistered(e){return this._generators.has(e)}generateShaderDefinition(e,t,s,i){let r=this.definitionsCache.get(s);if(!r){let a;i.litOptions?.lights&&(a=i.litOptions.lights,i.litOptions.lights=a.map(o=>{const c=o.clone?o.clone():o;return c.key=o.key,c})),this.storeNewProgram(t,i),i.litOptions?.lights&&(i.litOptions.lights=a),this._precached;const n=this._device;r=e.createShaderDefinition(n,i),r.name=r.name??(i.pass?`${t}-pass:${i.pass}`:t),this.definitionsCache.set(s,r)}return r}getCachedShader(e){return this.processedCache.get(e)}setCachedShader(e,t){this.processedCache.set(e,t)}getProgram(e,t,s,i){const r=this._generators.get(e);if(!r)return null;const a=r.generateKey(t),n=Xs(a),o=s.generateKey(this._device),c=Xs(o),h=`${n}#${c}`;let d=this.getCachedShader(h);if(!d){const u=this.generateShaderDefinition(r,e,n,t);let f="",p;t.pass!==void 0&&(p=zi.get(this._device).getByIndex(t.pass),f=`-${p.name}`),this._device.fire("shader:generate",{userMaterialId:i,shaderPassInfo:p,definition:u});const m={name:`${u.name}${f}-proc`,attributes:u.attributes,vshader:u.vshader,vincludes:u.vincludes,fincludes:u.fincludes,fshader:u.fshader,processingOptions:s,shaderLanguage:u.shaderLanguage,meshUniformBufferFormat:u.meshUniformBufferFormat,meshBindGroupFormat:u.meshBindGroupFormat};d=new tt(this._device,m),this.setCachedShader(h,d)}return d}storeNewProgram(e,t){let s={};if(e==="standard"){const i=this._getDefaultStdMatOptions(t.pass);for(const r in t)(t.hasOwnProperty(r)&&i[r]!==t[r]||r==="pass")&&(s[r]=t[r]);for(const r in t.litOptions)s[r]=t.litOptions[r]}else s=t;this._programsCollection.push(JSON.stringify({name:e,options:s}))}dumpPrograms(){let e=`let device = pc.app ? pc.app.graphicsDevice : pc.Application.getApplication().graphicsDevice;
1396`;e+="let shaders = [",this._programsCollection[0]&&(e+=`
1397	${this._programsCollection[0]}`);for(let s=1;s<this._programsCollection.length;++s)e+=`,
1398	${this._programsCollection[s]}`;e+=`
1399];

1400`,e+=`pc.getProgramLibrary(device).precompile(shaders);
1401`,e+=`if (pc.version != "${Ex}" || pc.revision != "${JC}")
1402`,e+='	console.warn("precompile-shaders.js: engine version mismatch, rebuild shaders lib with current engine");';const t=document.createElement("a");t.setAttribute("href",`data:text/plain;charset=utf-8,${encodeURIComponent(e)}`),t.setAttribute("download","precompile-shaders.js"),t.style.display="none",document.body.appendChild(t),t.click(),document.body.removeChild(t)}clearCache(){this._isClearingCache=!0,this.processedCache.forEach(e=>{e.destroy()}),this.processedCache.clear(),this._isClearingCache=!1}removeFromCache(e){this._isClearingCache||this.processedCache.forEach((t,s)=>{e===t&&this.processedCache.delete(s)})}_getDefaultStdMatOptions(e){const t=zi.get(this._device).getByIndex(e);return e===If||e===Pf||t.isShadow?this._defaultStdMatOptionMin:this._defaultStdMatOption}precompile(e){if(e){const t=new Array(e.length);for(let s=0;s<e.length;s++){if(e[s].name==="standard"){const i=e[s].options,r=this._getDefaultStdMatOptions(i.pass);for(const a in r)r.hasOwnProperty(a)&&i[a]===void 0&&(i[a]=r[a])}t[s]=this.getProgram(e[s].name,e[s].options)}}this._precached=!0}}class xw{_deviceLostEvent=null;constructor(e,t=!1){this.device=e,this.useSingleBuffer=t,this.impl=e.createUploadStreamImpl(this),this._deviceLostEvent=this.device.on("devicelost",this._onDeviceLost,this)}destroy(){this._deviceLostEvent?.off(),this._deviceLostEvent=null,this.impl?.destroy(),this.impl=null}upload(e,t,s=0,i=e.length){this.impl?.upload(e,t,s,i)}_onDeviceLost(){this.impl?._onDeviceLost?.()}}var ZM=`
1403#define GSPLAT_CENTER_NOPROJ
1404#include "gsplatHelpersVS"
1405#include "gsplatFormatVS"
1406#include "gsplatStructsVS"
1407#include "gsplatDeclarationsVS"
1408#include "gsplatCenterVS"
1409#include "gsplatEvalSHVS"
1410#include "gsplatQuatToMat3VS"
1411#include "gsplatReadVS"
1412#include "gsplatWorkBufferOutputVS"
1413#include "gsplatWriteVS"
1414#include "gsplatModifyVS"
1415flat varying ivec4 vSubDraw;
1416uniform vec3 uColorMultiply;
1417uniform vec3 model_scale;
1418uniform vec4 model_rotation;
1419#ifdef GSPLAT_ID
1420	uniform uint uId;
1421#endif
1422void main(void) {
1423	int localRow = int(gl_FragCoord.y) - vSubDraw.w;
1424	int localCol = int(gl_FragCoord.x) - vSubDraw.y;
1425	uint originalIndex = uint(vSubDraw.x + localRow * vSubDraw.z + localCol);
1426	setSplat(originalIndex);
1427	vec3 modelCenter = getCenter();
1428	vec3 worldCenter = (matrix_model * vec4(modelCenter, 1.0)).xyz;
1429	SplatCenter center;
1430	initCenter(modelCenter, center);
1431	vec4 srcRotation = getRotation().yzwx;
1432	vec3 srcScale = getScale();
1433	vec4 worldRotation = quatMul(model_rotation, srcRotation);
1434	if (worldRotation.w < 0.0) {
1435		worldRotation = -worldRotation;
1436	}
1437	vec3 worldScale = model_scale * srcScale;
1438	vec3 originalCenter = worldCenter;
1439	modifySplatCenter(worldCenter);
1440	modifySplatRotationScale(originalCenter, worldCenter, worldRotation, worldScale);
1441	vec4 color = getColor();
1442	#if SH_BANDS > 0
1443		vec3 dir = normalize(center.view * mat3(center.modelView));
1444		vec3 sh[SH_COEFFS];
1445		float scale;
1446		readSHData(sh, scale);
1447		color.xyz += evalSH(sh, dir) * scale;
1448	#endif
1449	modifySplatColor(worldCenter, color);
1450	color.xyz *= uColorMultiply;
1451	writeSplat(worldCenter, worldRotation, worldScale, color);
1452	#ifdef GSPLAT_ID
1453		writePcId(uvec4(uId, 0u, 0u, 0u));
1454	#endif
1455}
1456`,QM=`
1457#define GSPLAT_CENTER_NOPROJ
1458#include "gsplatHelpersVS"
1459#include "gsplatFormatVS"
1460#include "gsplatStructsVS"
1461#include "gsplatDeclarationsVS"
1462#include "gsplatCenterVS"
1463#include "gsplatEvalSHVS"
1464#include "gsplatQuatToMat3VS"
1465#include "gsplatReadVS"
1466var<private> processOutput: FragmentOutput;
1467#include "gsplatWorkBufferOutputVS"
1468#include "gsplatWriteVS"
1469#include "gsplatModifyVS"
1470varying @interpolate(flat) vSubDraw: vec4i;
1471uniform uColorMultiply: vec3f;
1472uniform model_scale: vec3f;
1473uniform model_rotation: vec4f;
1474#ifdef GSPLAT_ID
1475	uniform uId: u32;
1476#endif
1477@fragment
1478fn fragmentMain(input: FragmentInput) -> FragmentOutput {
1479	let localRow = i32(input.position.y) - input.vSubDraw.w;
1480	let localCol = i32(input.position.x) - input.vSubDraw.y;
1481	let originalIndex = u32(input.vSubDraw.x + localRow * input.vSubDraw.z + localCol);
1482	setSplat(originalIndex);
1483	var modelCenter = getCenter();
1484	var worldCenter = (uniform.matrix_model * vec4f(modelCenter, 1.0)).xyz;
1485	var center: SplatCenter;
1486	initCenter(modelCenter, &center);
1487	let srcRotation = getRotation().yzwx;
1488	let srcScale = getScale();
1489	var worldRotation = vec4f(quatMul(half4(uniform.model_rotation), half4(srcRotation)));
1490	if (worldRotation.w < 0.0) {
1491		worldRotation = -worldRotation;
1492	}
1493	var worldScale = uniform.model_scale * srcScale;
1494	let originalCenter = worldCenter;
1495	modifySplatCenter(&worldCenter);
1496	modifySplatRotationScale(originalCenter, worldCenter, &worldRotation, &worldScale);
1497	var color = getColor();
1498	#if SH_BANDS > 0
1499		let dir = normalize(center.view * mat3x3f(center.modelView[0].xyz, center.modelView[1].xyz, center.modelView[2].xyz));
1500		var sh: array<half3, SH_COEFFS>;
1501		var scale: f32;
1502		readSHData(&sh, &scale);
1503		color = vec4f(color.xyz + vec3f(evalSH(&sh, dir) * half(scale)), color.w);
1504	#endif
1505	modifySplatColor(worldCenter, &color);
1506	color = vec4f(color.xyz * uniform.uColorMultiply, color.w);
1507	writeSplat(worldCenter, worldRotation, worldScale, color);
1508	#ifdef GSPLAT_ID
1509		writePcId(vec4u(uniform.uId, 0u, 0u, 0u));
1510	#endif
1511	return processOutput;
1512}
1513`,JM=`
1514attribute vec2 vertex_position;
1515precision highp usampler2D;
1516uniform usampler2D uSubDrawData;
1517uniform ivec2 uTextureSize;
1518uniform int uSubDrawBase;
1519flat varying ivec4 vSubDraw;
1520void main(void) {

1521	int subDrawWidth = textureSize(uSubDrawData, 0).x;
1522	int idx = gl_InstanceID + uSubDrawBase;
1523	uvec4 data = texelFetch(uSubDrawData, ivec2(idx % subDrawWidth, idx / subDrawWidth), 0);
1524	int rowStart = int(data.r & 0xFFFFu);
1525	int numRows = int(data.r >> 16u);
1526	int colStart = int(data.g);
1527	int colEnd = int(data.b);
1528	int sourceBase = int(data.a);
1529	float u = float(gl_VertexID & 1);
1530	float v = float(gl_VertexID >> 1);
1531	vec4 ndc = vec4(colStart, colEnd, rowStart, rowStart + numRows) / vec4(uTextureSize.x, uTextureSize.x, uTextureSize.y, uTextureSize.y) * 2.0 - 1.0;
1532	gl_Position = vec4(mix(ndc.x, ndc.y, u), mix(ndc.z, ndc.w, v), 0.5, 1.0);
1533	vSubDraw = ivec4(sourceBase, colStart, colEnd - colStart, rowStart);
1534}
1535`,eR=`
1536attribute vertex_position: vec2f;
1537var uSubDrawData: texture_2d<u32>;
1538uniform uTextureSize: vec2i;
1539uniform uSubDrawBase: i32;
1540varying @interpolate(flat) vSubDraw: vec4i;
1541@vertex
1542fn vertexMain(input: VertexInput) -> VertexOutput {
1543	var output: VertexOutput;
1544	let subDrawWidth = i32(textureDimensions(uSubDrawData, 0).x);
1545	let instIdx = i32(input.instanceIndex) + uniform.uSubDrawBase;
1546	let data = textureLoad(uSubDrawData, vec2i(instIdx % subDrawWidth, instIdx / subDrawWidth), 0);
1547	let rowStart = i32(data.r & 0xFFFFu);
1548	let numRows = i32(data.r >> 16u);
1549	let colStart = i32(data.g);
1550	let colEnd = i32(data.b);
1551	let sourceBase = i32(data.a);
1552	let u = f32(i32(input.vertexIndex) & 1);
1553	let v = f32(i32(input.vertexIndex) >> 1u);
1554	let ndc = vec4f(f32(colStart), f32(colEnd), f32(rowStart), f32(rowStart + numRows)) / vec4f(f32(uniform.uTextureSize.x), f32(uniform.uTextureSize.x), f32(uniform.uTextureSize.y), f32(uniform.uTextureSize.y)) * 2.0 - 1.0;
1555	output.position = vec4f(mix(ndc.x, ndc.y, u), mix(-ndc.z, -ndc.w, v), 0.5, 1.0);
1556	output.vSubDraw = vec4i(sourceBase, colStart, colEnd - colStart, rowStart);
1557	return output;
1558}
1559`;const vy=new Z,Sy=new X_,Xp=8;class tR{device;boundsBuffer=null;totalBoundsEntries=0;_allocatedBoundsEntries=0;_boundsFloatView=null;_boundsUintView=null;_tmpSpheres=null;transformsBuffer=null;_allocatedTransformCount=0;_transformsData=null;frustumPlanes=new Float32Array(24);fisheyeCameraPos=new Float32Array(3);fisheyeCameraForward=new Float32Array(3);fisheyeMaxTheta=Math.PI;constructor(e){this.device=e}destroy(){this.boundsBuffer?.destroy(),this.transformsBuffer?.destroy()}updateBoundsData(e){let t=0;for(let a=0;a<e.length;a++)t+=e[a].numBoundsEntries;if(this.totalBoundsEntries=t,t===0)return;if(t>this._allocatedBoundsEntries){this.boundsBuffer?.destroy(),this._allocatedBoundsEntries=t,this.boundsBuffer=new Se(this.device,t*Xp*4,ct);const a=new ArrayBuffer(t*Xp*4);this._boundsFloatView=new Float32Array(a),this._boundsUintView=new Uint32Array(a),this._tmpSpheres=new Float32Array(t*4)}const s=this._boundsFloatView,i=this._boundsUintView,r=this._tmpSpheres;for(let a=0;a<e.length;a++){const n=e[a],o=n.boundsBaseIndex,c=n.numBoundsEntries;n.splat.writeBoundsSpheres(r,o*4);for(let h=0;h<c;h++){const d=(o+h)*4,u=(o+h)*Xp;s[u+0]=r[d+0],s[u+1]=r[d+1],s[u+2]=r[d+2],s[u+3]=r[d+3],i[u+4]=a}}this.boundsBuffer.write(0,s)}updateTransformsData(e){const t=e.length;if(t===0)return;t>this._allocatedTransformCount&&(this.transformsBuffer?.destroy(),this._allocatedTransformCount=t,this.transformsBuffer=new Se(this.device,t*12*4,ct),this._transformsData=new Float32Array(t*12));const s=this._transformsData;let i=0;for(let r=0;r<e.length;r++){const a=e[r].splat.node.getWorldTransform().data;s[i++]=a[0],s[i++]=a[4],s[i++]=a[8],s[i++]=a[12],s[i++]=a[1],s[i++]=a[5],s[i++]=a[9],s[i++]=a[13],s[i++]=a[2],s[i++]=a[6],s[i++]=a[10],s[i++]=a[14]}this.transformsBuffer.write(0,s)}computeFrustumPlanes(e,t){vy.mul2(e,t),Sy.setFromMat4(vy);const s=this.frustumPlanes;for(let i=0;i<6;i++){const r=Sy.planes[i];s[i*4+0]=r.normal.x,s[i*4+1]=r.normal.y,s[i*4+2]=r.normal.z,s[i*4+3]=r.distance}}setFisheyeData(e,t,s){this.fisheyeCameraPos[0]=e.x,this.fisheyeCameraPos[1]=e.y,this.fisheyeCameraPos[2]=e.z,this.fisheyeCameraForward[0]=t.x,this.fisheyeCameraForward[1]=t.y,this.fisheyeCameraForward[2]=t.z,this.fisheyeMaxTheta=s}}const sR=new Z,qh=new E,Ma=new ae,Yp=new j,iR=[1,1,1];class yy extends Pr{splats=[];colorsByLod=void 0;cameraNode=null;workBuffer;colorOnly;_modelScaleData=new Float32Array(3);_modelRotationData=new Float32Array(4);_textureSize=new Int32Array(2);_subDrawTexture;_partialData=[];constructor(e,t,s=!1){super(e),this.workBuffer=t,this.colorOnly=s,this._subDrawTexture=ce.createDataTexture2D(e,"GsplatSubDrawData",1,1,Wt)}destroy(){this.splats.length=0,this._subDrawTexture.destroy(),super.destroy()}init(e){super.init(e),this.colorOps.clear=!1,this.depthStencilOps.clearDepth=!1}

1559update(e,t,s,i=null){this.splats.length=0,this._partialData.length=0,this.colorsByLod=s;const r=this.workBuffer.textureSize;if(i){const a=i.size*3;this._subDrawTexture.width*this._subDrawTexture.height<a&&(Xt.calcTextureSize(a,Yp),this._subDrawTexture.resize(Yp.x,Yp.y));const n=this._subDrawTexture.lock();let o=0;for(let c=0;c<e.length;c++){const h=e[c];if(h.activeSplats<=0)continue;const d=h.intervals,u=d.length/2;if(u===0)i.has(h.allocId)&&(this.splats.push(h),this._partialData.push(0,0));else{const f=o,p=h.intervalAllocIds;for(let _=0;_<u;_++)i.has(p[_])&&(o=h.appendSubDraws(n,o,d[_*2],d[_*2+1]-d[_*2],h.intervalOffsets[_],r));const m=o-f;m>0&&(this.splats.push(h),this._partialData.push(f,m))}}this._subDrawTexture.unlock()}else for(let a=0;a<e.length;a++){const n=e[a];n.activeSplats>0&&(this.splats.push(n),this._partialData.push(0,0))}for(let a=0;a<this.splats.length;a++)this._partialData[a*2+1]===0&&this.splats[a].ensureSubDrawTexture(r);return this.cameraNode=t,this.splats.length>0}execute(){const{device:e,splats:t,cameraNode:s,_partialData:i}=this;e.setDrawStates();const r=s.getWorldTransform(),a=sR.copy(r).invert();e.scope.resolve("matrix_view").setValue(a.data);for(let n=0;n<t.length;n++){const o=i[n*2+1];o>0?this.renderSplat(t[n],this._subDrawTexture,o,i[n*2]):this.renderSplat(t[n])}}renderSplat(e,t,s,i=0){const{device:r,resource:a}=e,n=r.scope,o=t??e.subDrawTexture,c=s??e.subDrawCount,h=e.getWorkBufferModifier?.()??null,d=a.format.hash,u=a.format.getInputDeclarations(),f=a.getWorkBufferRenderInfo(this.colorOnly,h,d,u,this.workBuffer.format);f.material.setParameters(r);const p=this.colorsByLod?.[e.lodIndex]??this.colorsByLod?.[0]??iR;n.resolve("uColorMultiply").setValue(p);const m=e.node.getWorldTransform();if(m.getScale(qh),Ma.setFromMat4(m),Ma.w<0&&Ma.mulScalar(-1),this._modelScaleData[0]=qh.x,this._modelScaleData[1]=qh.y,this._modelScaleData[2]=qh.z,this._modelRotationData[0]=Ma.x,this._modelRotationData[1]=Ma.y,this._modelRotationData[2]=Ma.z,this._modelRotationData[3]=Ma.w,n.resolve("matrix_model").setValue(m.data),n.resolve("model_scale").setValue(this._modelScaleData),n.resolve("model_rotation").setValue(this._modelRotationData),n.resolve("uId").setValue(e.placementId),e.parameters)for(const v of e.parameters.values())v.scopeId.setValue(v.data);const _=e.getInstanceStreams?.();if(_){_.syncWithFormat(e.resource.format);for(const[v,x]of _.textures)n.resolve(v).setValue(x)}n.resolve("uSubDrawData").setValue(o),n.resolve("uSubDrawBase").setValue(i);const g=this.workBuffer.textureSize;this._textureSize[0]=g,this._textureSize[1]=g,n.resolve("uTextureSize").setValue(this._textureSize),f.quadRender.render(void 0,void 0,c)}}class pu{device;format=null;textures=new Map;_textureDimensions=new j;_isInstance=!1;_formatVersion=-1;get textureDimensions(){return this._textureDimensions}constructor(e,t=!1){this.device=e,this._isInstance=t}destroy(){for(const e of this.textures.values())e.destroy();this.textures.clear()}init(e,t){this.format=e,this._textureDimensions=Xt.calcTextureSize(t,new j);const s=this._isInstance?e.instanceStreams:e.resourceStreams;for(const i of s){const r=this.createTexture(i.name,i.format,this._textureDimensions);this.textures.set(i.name,r)}this._formatVersion=e.extraStreamsVersion}getTexture(e){return this.syncWithFormat(this.format),this.textures.get(e)}getTexturesInOrder(){const e=[];if(this.format){const t=this._isInstance?this.format.instanceStreams:this.format.resourceStreams;for(const s of t){const i=this.textures.get(s.name);i&&e.push(i)}}return e}syncWithFormat(e){if(e){if(this.format===e&&this._formatVersion===e.extraStreamsVersion)return;this.format=e;const t=this._isInstance?e.instanceStreams:e.resourceStreams;for(const s of t)if(!this.textures.has(s.name)){const i=this.createTexture(s.name,s.format,this._textureDimensions);this.textures.set(s.name,i)}this._formatVersion=e.extraStreamsVersion}}resize(e,t){this._textureDimensions.set(e,t);for(const s of this.textures.values())s.resize(e,t)}createTexture(e,t,s,i){return ce.createDataTexture2D(this.device,e,s.x,s.y,t,i?[i]:void 0)}}let rR=0;class aR{material;quadRender;constructor(e,t,s,i,r){this.material=s;const a=new Map(s.defines),n=r.getStream("dataColor");n.format===Vi&&a.set("GSPLAT_COLOR_UINT",""),i&&a.set("GSPLAT_COLOR_ONLY",""),r.getStream("pcId")&&a.set("GSPLAT_ID","");const o=s.hasShaderChunks?e.isWebGPU?s.shaderChunks.wgsl:s.shaderChunks.glsl:void 0,c=i?[n]:[...r.streams,...r.extraStreams],h=[];

1559for(const p of c){const m=yd(p.format);h.push(m.returnType)}const d=a.has("GSPLAT_LOD"),u={uniqueName:`SplatCopyToWorkBuffer:${t}`,attributes:{vertex_position:Ie},vertexDefines:a,fragmentDefines:a,fragmentGLSL:ZM,fragmentWGSL:QM,fragmentIncludes:o,fragmentOutputTypes:h};d?(u.vertexGLSL=JM,u.vertexWGSL=eR):u.vertexChunk="fullscreenQuadVS";const f=Qt.createShader(e,u);this.quadRender=new Uo(f)}destroy(){this.material?.destroy(),this.quadRender?.destroy()}}class xy{device;format;id=rR++;streams;renderTarget;colorRenderTarget;orderTexture;orderBuffer;uploadStream;renderPass;colorRenderPass;frustumCuller;constructor(e,t){this.device=e,this.format=t,this.frustumCuller=new tR(e),this.streams=new pu(e),this.streams.init(t,1),this._createRenderTargets(),this.uploadStream=new xw(e,!e.isWebGPU),e.isWebGPU?this.orderBuffer=new Se(e,4,ct):this.orderTexture=new ce(e,{name:"SplatGlobalOrder",width:1,height:1,format:js,mipmaps:!1,addressU:ue,addressV:ue}),this.renderPass=new yy(e,this),this.renderPass.init(this.renderTarget),this.colorRenderPass=new yy(e,this,!0),this.colorRenderPass.init(this.colorRenderTarget)}_createRenderTargets(){this.renderTarget?.destroy(),this.colorRenderTarget?.destroy();const e=this.streams.getTexturesInOrder();this.renderTarget=new St({name:`GsplatWorkBuffer-MRT-${this.id}`,colorBuffers:e,depth:!1,flipY:!0});const t=this.streams.getTexture("dataColor");this.colorRenderTarget=new St({name:`GsplatWorkBuffer-Color-${this.id}`,colorBuffer:t,depth:!1,flipY:!0}),this.renderPass?.init(this.renderTarget),this.colorRenderPass?.init(this.colorRenderTarget)}syncWithFormat(){const e=this.streams._formatVersion;this.streams.syncWithFormat(this.format),e!==this.streams._formatVersion&&this._createRenderTargets()}getTexture(e){return this.streams.getTexture(e)}destroy(){this.renderPass?.destroy(),this.colorRenderPass?.destroy(),this.streams.destroy(),this.orderTexture?.destroy(),this.orderBuffer?.destroy(),this.renderTarget?.destroy(),this.colorRenderTarget?.destroy(),this.uploadStream.destroy(),this.frustumCuller.destroy()}get textureSize(){return this.streams.textureDimensions.x}setOrderData(e){this.textureSize,this.device.isWebGPU?this.uploadStream.upload(e,this.orderBuffer,0,e.length):this.uploadStream.upload(e,this.orderTexture,0,e.length)}resize(e){if(this.renderTarget.resize(e,e),this.colorRenderTarget.resize(e,e),this.streams.resize(e,e),this.device.isWebGPU){const t=e*e*4;this.orderBuffer.byteSize<t&&(this.orderBuffer.destroy(),this.orderBuffer=new Se(this.device,t,ct))}else this.orderTexture.resize(e,e)}render(e,t,s,i=null){this.renderPass.update(e,t,s,i)&&this.renderPass.render()}renderColor(e,t,s,i=null){this.colorRenderPass.update(e,t,s,i)&&this.colorRenderPass.render()}}class xc{static _cache=new Jt;_pendingDestroy=new Set;static queueDestroy(e,t){this._cache.get(e,()=>new xc)._pendingDestroy.add(t)}static process(e){const t=this._cache.get(e,()=>new xc)._pendingDestroy;for(const s of t)s.refCount===0&&(s._actualDestroy(),t.delete(s))}destroy(){this._pendingDestroy.clear()}}let nR=0;const Vn=new Map;class Rt{device;gsplatData;set centers(e){this._centers=e}get centers(){return this._centers}get hasCenters(){return this._centers!=null}_centers=null;centersVersion=0;aabb;mesh=null;id=nR++;workBufferRenderInfos=new Map;_format=null;streams;parameters=new Map;_refCount=0;_meshRefCount=0;constructor(e,t,s={}){this.device=e,this.gsplatData=t,this.streams=new pu(e),s.prepareCenters!==!1?this._centers=t.getCenters():this._centers=null,this.aabb=new Le,t.calcAabb(this.aabb)}destroy(){if(this.refCount>0){xc.queueDestroy(this.device,this);return}this._actualDestroy()}_actualDestroy(){this.streams.destroy(),this.mesh?.destroy(),this.workBufferRenderInfos.forEach(e=>e.destroy()),this.workBufferRenderInfos.clear()}incRefCount(){this._refCount++}decRefCount(){this._refCount--}get refCount(){return this._refCount}ensureMesh(){this.mesh||(this.mesh=Rt.createMesh(this.device),this.mesh.aabb.copy(this.aabb)),this._meshRefCount++}releaseMesh(){this._meshRefCount--,this._meshRefCount<1&&(this.mesh=null)}getWorkBufferRenderInfo(e,t,s,i,r){this.configureMaterialDefines(Vn),Vn.set("GSPLAT_LOD",""),e&&Vn.set("GSPLAT_COLOR_ONLY","");let a="";for(const[c,h]of Vn)a&&(a+=";"),a+=`${c}=${h}`;

1559const n=`${s};${r.hash};${t?.hash??0};${a}`;let o=this.workBufferRenderInfos.get(n);if(!o){const c=new ei;this.configureMaterial(c,t,i);const h=this.device.isWebGPU?c.shaderChunks.wgsl:c.shaderChunks.glsl,d=e?[r.getStream("dataColor")]:[...r.streams,...r.extraStreams];let u=r.getOutputDeclarations(d);e&&r.extraStreams.length>0&&(u+=`
1560${r.getOutputStubs(r.extraStreams)}`),h.set("gsplatWorkBufferOutputVS",u);const f=r.getWriteCode();f&&h.set("gsplatWriteVS",f),Vn.forEach((p,m)=>c.setDefine(m,p)),o=new aR(this.device,n,c,e,r),this.workBufferRenderInfos.set(n,o)}return Vn.clear(),o}static createMesh(e){const t=Rt.instanceSize,s=new Float32Array(12*t),i=new Uint32Array(6*t);for(let a=0;a<t;++a){s.set([-1,-1,a,1,-1,a,1,1,a,-1,1,a],a*12);const n=a*4;i.set([0+n,1+n,2+n,0+n,2+n,3+n],a*6)}const r=new at(e);return r.setPositions(s,3),r.setIndices(i),r.update(),r}static get instanceSize(){return 128}get numSplats(){return this.gsplatData.numSplats}get format(){return this._format}getTexture(e){return this.streams.getTexture(e)??null}get textureDimensions(){return this.streams.textureDimensions}configureMaterial(e,t,s){this.configureMaterialDefines(e.defines),this.streams.syncWithFormat(this.format);const i=this.device.isWebGPU?e.shaderChunks.wgsl:e.shaderChunks.glsl;i.set("gsplatDeclarationsVS",s),i.set("gsplatReadVS",this.format.getReadCode()),t?.code&&i.set("gsplatModifyVS",t.code);for(const[r,a]of this.streams.textures)e.setParameter(r,a);for(const[r,a]of this.parameters)e.setParameter(r,a);this.textureDimensions.x>0&&e.setParameter("splatTextureSize",this.textureDimensions.x)}configureMaterialDefines(e){}instantiate(){}}const Gn=new Z,Ty=new ae,jp=new Le,wy=new Le,oR=new Q(1,1,0,.4),qp=.28209479177387814;class lR{constructor(e,t,s,i,r){const a=e.getProp("x"),n=e.getProp("y"),o=e.getProp("z"),c=e.getProp("rot_1"),h=e.getProp("rot_2"),d=e.getProp("rot_3"),u=e.getProp("rot_0"),f=e.getProp("scale_0"),p=e.getProp("scale_1"),m=e.getProp("scale_2"),_=e.getProp("f_dc_0"),g=e.getProp("f_dc_1"),v=e.getProp("f_dc_2"),x=e.getProp("opacity"),y=S=>{if(S>0)return 1/(1+Math.exp(-S));const T=Math.exp(S);return T/(1+T)};this.read=S=>{t&&(t.x=a[S],t.y=n[S],t.z=o[S]),s&&s.set(c[S],h[S],d[S],u[S]),i&&i.set(Math.exp(f[S]),Math.exp(p[S]),Math.exp(m[S])),r&&r.set(.5+_[S]*qp,.5+g[S]*qp,.5+v[S]*qp,y(x[S]))}}}const Cy=(l,e,t)=>{Ty.set(t.x,t.y,t.z,t.w).normalize(),l.setTRS(e,Ty,E.ONE)};class ha{elements;numSplats;comments;constructor(e,t=[]){this.elements=e,this.numSplats=this.getElement("vertex").count,this.comments=t}static calcSplatAabb(e,t,s,i){Cy(Gn,t,s),jp.center.set(0,0,0),jp.halfExtents.set(i.x*2,i.y*2,i.z*2),e.setFromTransformedAabb(jp,Gn)}getProp(e,t="vertex"){return this.getElement(t)?.properties.find(s=>s.name===e)?.storage}getElement(e){return this.elements.find(t=>t.name===e)}addProp(e,t){this.getElement("vertex").properties.push({type:"float",name:e,storage:t,byteSize:4})}createIter(e,t,s,i){return new lR(this,e,t,s,i)}calcAabb(e,t){let s,i,r,a,n,o,c=!0;const h=this.getProp("x"),d=this.getProp("y"),u=this.getProp("z"),f=this.getProp("scale_0"),p=this.getProp("scale_1"),m=this.getProp("scale_2");for(let _=0;_<this.numSplats;++_){if(t&&!t(_))continue;const g=h[_],v=d[_],x=u[_],y=Math.max(f[_],p[_],m[_]);if(!isFinite(g)||!isFinite(v)||!isFinite(x)||!isFinite(y))continue;const S=2*Math.exp(y);c?(c=!1,s=g-S,i=v-S,r=x-S,a=g+S,n=v+S,o=x+S):(s=Math.min(s,g-S),i=Math.min(i,v-S),r=Math.min(r,x-S),a=Math.max(a,g+S),n=Math.max(n,v+S),o=Math.max(o,x+S))}return c||(e.center.set((s+a)*.5,(i+n)*.5,(r+o)*.5),e.halfExtents.set((a-s)*.5,(n-i)*.5,(o-r)*.5)),!c}calcAabbExact(e,t){const s=new E,i=new ae,r=new E,a=this.createIter(s,i,r);let n=!0;for(let o=0;o<this.numSplats;++o)t&&!t(o)||(a.read(o),n?(n=!1,ha.calcSplatAabb(e,s,i,r)):(ha.calcSplatAabb(wy,s,i,r),e.add(wy)));return!n}getCenters(){const e=this.getProp("x"),t=this.getProp("y"),s=this.getProp("z"),i=new Float32Array(this.numSplats*3);for(let r=0;r<this.numSplats;++r)i[r*3+0]=e[r],i[r*3+1]=t[r],i[r*3+2]=s[r];return i}calcFocalPoint(e,t){const s=this.getProp("x"),i=this.getProp("y"),r=this.getProp("z"),a=this.getProp("scale_0"),n=this.getProp("scale_1"),o=this.getProp("scale_2");e.x=0,e.y=0,e.z=0;let c=0;for(let h=0;h<this.numSplats;++h){if(t&&!t(h))continue;const d=s[h],u=i[h],f=r[h];if(!isFinite(d)||!isFinite(u)||!isFinite(f))continue;const p=1/(1+Math.exp(Math.max(a[h],n[h],o[h])));e.x+=d*p,e.y+=u*p,e.z+=f*p,c+=p}e.mulScalar(1/c)}renderWireframeBounds(e,t){const s=new E,i=new ae,r=new E,a=new E,n=new E,o=this.createIter(s,i,r);for(let c=0;c<this.numSplats;++c)o.read(c),Cy(Gn,s,i),Gn.mul2(t,Gn),a.set(r.x*-2,r.y*-2,r.z*-2),n.set(r.x*2,r.y*2,r.z*2),e.immediate.drawWireAlignedBox(a,n,oR,!0,e.defaultDrawLayer,Gn)}get isCompressed(){return!1}get shBands(){return{9:1,24:2,45:3}[(()=>{for(let s=0;s<45;++s)if(!this.getProp(`f_rest_${s}`))return s;return 45})()]??0}calcMortonOrder(){const e=x=>{let y=x[0],S=x[0];for(let T=1;T<x.length;T++)x[T]<y&&(y=x[T]),x[T]>S&&(S=x[T]);return{min:y,max:S}},t=(x,y,S)=>{const T=w=>(w&=1023,w=(w^w<<16)&4278190335,w=(w^w<<8)&50393103,w=(w^w<<4)&51130563,w=(w^w<<2)&153391689,w);return(T(S)<<2)+(T(y)<<1)+T(x)},s=this.getProp("x"),i=this.getProp("y"),r=this.getProp("z"),{min:a,max:n}=e(s),{min:o,max:c}

1560=e(i),{min:h,max:d}=e(r),u=a===n?0:1024/(n-a),f=o===c?0:1024/(c-o),p=h===d?0:1024/(d-h),m=new Map;for(let x=0;x<this.numSplats;x++){const y=Math.min(1023,Math.floor((s[x]-a)*u)),S=Math.min(1023,Math.floor((i[x]-o)*f)),T=Math.min(1023,Math.floor((r[x]-h)*p)),w=t(y,S,T),C=m.get(w);C?C.push(x):m.set(w,[x])}const _=Array.from(m.keys()).sort((x,y)=>x-y),g=new Uint32Array(this.numSplats);let v=0;for(let x=0;x<_.length;++x){const y=m.get(_[x]);for(let S=0;S<y.length;++S)g[v++]=y[S]}return g}reorder(e){const t=new Map,s=a=>{if(t.has(a)){const n=t.get(a);return t.delete(a),n}return new ArrayBuffer(a)},i=a=>{t.set(a.byteLength,a)},r=a=>{const n=new a.constructor(s(a.byteLength));for(let o=0;o<e.length;o++)n[o]=a[e[o]];return i(a.buffer),n};this.elements.forEach(a=>{a.properties.forEach(n=>{n.storage&&(n.storage=r(n.storage))})})}reorderData(){this.reorder(this.calcMortonOrder())}}const cR=`
1561	attribute vec2 vertex_position;
1562	void main(void) {
1563		gl_Position = vec4(vertex_position, 0.0, 1.0);
1564	}
1565`,hR=`
1566	#include "gsplatEvalSHVS"
1567	vec4 packRgb(vec3 v) {
1568		uvec3 vb = uvec3(clamp(v, vec3(0.0), vec3(1.0)) * vec3(2047.0, 2047.0, 1023.0));
1569		uint bits = (vb.x << 21) | (vb.y << 10) | vb.z;
1570		return vec4((uvec4(bits) >> uvec4(24, 16, 8, 0)) & uvec4(0xff)) / vec4(255.0);
1571	}
1572	uniform mediump vec3 dir;
1573	uniform mediump sampler2D centroids;
1574	uniform mediump float shN_mins;
1575	uniform mediump float shN_maxs;
1576	void main(void) {
1577		ivec2 uv = ivec2(gl_FragCoord.xy) * ivec2(SH_COEFFS, 1);
1578		mediump vec3 coefficients[SH_COEFFS];
1579		for (int i = 0; i < SH_COEFFS; i++) {
1580			vec3 s = texelFetch(centroids, ivec2(uv.x + i, uv.y), 0).xyz;
1581			coefficients[i] = mix(vec3(shN_mins), vec3(shN_maxs), s);
1582		}
1583		gl_FragColor = packRgb(evalSH(coefficients, dir) * 0.25 + 0.5);
1584	}
1585`,dR=`
1586	attribute vertex_position: vec2f;
1587	@vertex
1588	fn vertexMain(input: VertexInput) -> VertexOutput {
1589		var output: VertexOutput;
1590		output.position = vec4f(vertex_position, 0.0, 1.0);
1591		return output;
1592	}
1593`,uR=`
1594	#include "gsplatEvalSHVS"
1595	fn packRgb(v: vec3f) -> vec4f {
1596		let vb = vec3u(clamp(v, vec3f(0.0), vec3f(1.0)) * vec3f(2047.0, 2047.0, 1023.0));
1597		let bits = dot(vb, vec3u(1 << 21, 1 << 10, 1));
1598		return vec4f((vec4u(bits) >> vec4u(24, 16, 8, 0)) & vec4u(0xff)) / vec4f(255.0);
1599	}
1600	uniform dir: vec3f;
1601	uniform shN_mins: f32;
1602	uniform shN_maxs: f32;
1603	var centroids: texture_2d<f32>;
1604	@fragment
1605	fn fragmentMain(input: FragmentInput) -> FragmentOutput {
1606		var output: FragmentOutput;
1607		var uv = vec2i(input.position.xy) * vec2i(SH_COEFFS, 1);
1608		var coefficients: array<vec3f, SH_COEFFS>;
1609		for (var i: i32 = 0; i < SH_COEFFS; i++) {
1610			let s: vec3f = textureLoad(centroids, vec2i(uv.x + i, uv.y), 0).xyz;
1611			coefficients[i] = mix(vec3f(uniform.shN_mins), vec3f(uniform.shN_maxs), s);
1612		}
1613		output.color = packRgb(evalSH(&coefficients, uniform.dir) * 0.25 + 0.5);
1614		return output;
1615	}
1616`,fR=`
1617	uniform mediump sampler2D sh0;
1618	uniform highp sampler2D sh_labels;
1619	uniform mediump sampler2D sh_result;
1620	uniform vec4 sh0_mins;
1621	uniform vec4 sh0_maxs;
1622	float SH_C0 = 0.28209479177387814;
1623	vec3 unpackRgb(vec4 v) {
1624		uvec4 uv = uvec4(v * 255.0);
1625		uint bits = (uv.x << 24) | (uv.y << 16) | (uv.z << 8) | uv.w;
1626		uvec3 vb = (uvec3(bits) >> uvec3(21, 10, 0)) & uvec3(0x7ffu, 0x7ffu, 0x3ffu);
1627		return vec3(vb) / vec3(2047.0, 2047.0, 1023.0);
1628	}
1629	vec4 getColor(in SplatSource source) {
1630		vec4 baseSample = mix(sh0_mins, sh0_maxs, texelFetch(sh0, source.uv, 0));
1631		vec4 base = vec4(vec3(0.5) + baseSample.xyz * SH_C0, 1.0 / (1.0 + exp(-baseSample.w)));
1632		ivec2 labelSample = ivec2(texelFetch(sh_labels, source.uv, 0).xy * 255.0);
1633		int n = labelSample.x + labelSample.y * 256;
1634		vec4 shSample = texelFetch(sh_result, ivec2(n % 64, n / 64), 0);
1635		vec3 sh = (unpackRgb(shSample) - vec3(0.5)) * 4.0;
1636		return vec4(base.xyz + sh, base.w);
1637	}
1638`,pR=`
1639	var sh0: texture_2d<f32>;
1640	var sh_labels: texture_2d<f32>;
1641	var sh_result: texture_2d<f32>;
1642	uniform sh0_mins: vec4f;
1643	uniform sh0_maxs: vec4f;
1644	const SH_C0: f32 = 0.28209479177387814;
1645	fn unpackRgb(v: vec4f) -> vec3f {
1646		let bits = dot(vec4u(v * 255.0), vec4u(1u << 24, 1u << 16, 1u << 8, 1u));
1647		let vb = (vec3u(bits) >> vec3u(21, 10, 0)) & vec3u(0x7ffu, 0x7ffu, 0x3ffu);
1648		return vec3f(vb) / vec3f(2047.0, 2047.0, 1023.0);
1649	}
1650	fn getColor(source: ptr<function, SplatSource>) -> vec4f {
1651		let baseSample: vec4f = mix(uniform.sh0_mins, uniform.sh0_maxs, textureLoad(sh0, source.uv, 0));
1652		let base = vec4f(vec3f(0.5) + baseSample.xyz * SH_C0, 1.0 / (1.0 + exp(-baseSample.w)));
1653		let labelSample: vec2i = vec2i(textureLoad(sh_labels, source.uv, 0).xy * 255.0);
1654		let n = labelSample.x + labelSample.y * 256;
1655		let shSample: vec4f = textureLoad(sh_result, vec2i(n % 64, n / 64), 0);
1656		let sh: vec3f = (unpackRgb(shSample) - vec3f(0.5)) * 4.0;
1657		return vec4f(base.xyz + sh, base.w);
1658	}
1659`,mR=(l,e)=>{for(const t in e)l.resolve(t).setValue(e[t])};class _R extends Pr{executeCallback=null;execute(){this.executeCallback?.()}}const Ey=new Z,Sl=new E;class gR{prevDir=new E;updateMode="enable";constructor(e,t){this.device=e,this.gsplatInstance=t;const{resource:s}=t;this.shader=Qt.createShader(e,{uniqueName:"gsplatResolveSH",vertexGLSL:cR,fragmentGLSL:hR,vertexWGSL:dR,fragmentWGSL:uR,fragmentDefines:new Map([["SH_BANDS",s.gsplatData.shBands.toString()]]),attributes:{vertex_position:Ie}}),this.texture=s.streams.createTexture("centroids",Re,new j(64,1024)),this.renderTarget=new St({colorBuffer:this.texture,depth:!1}

1659),this.renderPass=new _R(e),this.renderPass.init(this.renderTarget,{}),this.renderPass.colorOps.clear=!0,this.quadRender=new Uo(this.shader);const{material:i}=t;i.setDefine("SH_BANDS","0");const{shaderChunks:r}=i;r.glsl.set("gsplatSogColorVS",fR),r.wgsl.set("gsplatSogColorVS",pR),i.update(),e.scope.resolve("sh_result").setValue(this.texture)}destroy(){const{gsplatInstance:e}=this,{material:t}=e;t.setDefine("SH_BANDS",e.resource.gsplatData.shBands.toString());const{shaderChunks:s}=t;s.glsl.delete("gsplatSogColorVS"),s.wgsl.delete("gsplatSogColorVS"),t.update(),this.quadRender.destroy(),this.renderPass.destroy(),this.renderTarget.destroy(),this.texture.destroy(),this.shader.destroy()}render(e,t){const{prevDir:s,updateMode:i}=this;if(i==="disable"||(Ey.invert(t),Ey.transformVector(e.forward,Sl),Sl.normalize(),i==="enable"&&Sl.equalsApprox(s,.001)))return;s.copy(Sl);const r=()=>{const{device:a}=this,{sh_centroids:n,meta:o}=this.gsplatInstance.resource.gsplatData;mR(a.scope,{dir:Sl.toArray(),centroids:n,shN_mins:o.shN.mins,shN_maxs:o.shN.maxs}),a.setDrawStates(),this.quadRender.render()};this.renderPass.executeCallback=r,this.renderPass.render()}}function vR(){const l=typeof self<"u"&&self||require("node:worker_threads").parentPort;let e,t,s,i,r,a,n=!1;const o={x:0,y:0,z:0},c={x:0,y:0,z:0},h={x:0,y:0,z:0},d={x:0,y:0,z:0};let u,f;const p=32,m=new Array(p).fill(0),_=new Array(p).fill(0),g=new Array(p).fill(0),v=(y,S,T)=>{for(;y<=S;){const w=S+y>>1,C=T(w);if(C>0)y=w+1;else if(C<0)S=w-1;else return w}return~y},x=()=>{if(!e||!t||t.length===0||!r||!a)return;const y=performance.now(),S=r.x,T=r.y,w=r.z,C=a.x,b=a.y,I=a.z,P=.001;if(!n&&Math.abs(S-o.x)<P&&Math.abs(T-o.y)<P&&Math.abs(w-o.z)<P&&Math.abs(C-c.x)<P&&Math.abs(b-c.y)<P&&Math.abs(I-c.z)<P)return;n=!1,o.x=S,o.y=T,o.z=w,c.x=C,c.y=b,c.z=I;let L,O;for(let B=0;B<8;++B){const z=B&1?h.x:d.x,$=B&2?h.y:d.y,K=B&4?h.z:d.z,Y=z*C+$*b+K*I;B===0?L=O=Y:(L=Math.min(L,Y),O=Math.max(O,Y))}const D=t.length/3,k=2**Math.max(10,Math.min(20,Math.round(Math.log2(D/4))))+1;u?.length!==D&&(u=new Uint32Array(D)),!f||f.length!==k?f=new Uint32Array(k):f.fill(0);const A=O-L;if(A<1e-6)for(let B=0;B<D;++B)u[B]=0,f[0]++;else{const B=s.length/4;m.fill(0);for(let Y=0;Y<B;++Y){const te=s[Y*4+0],J=s[Y*4+1],_e=s[Y*4+2],Ae=s[Y*4+3],we=te*C+J*b+_e*I-L,$e=Math.max(0,Math.floor((we-Ae)*p/A)),Ye=Math.min(p,Math.ceil((we+Ae)*p/A));for(let Ee=$e;Ee<Ye;++Ee)m[Ee]++}const z=m.reduce((Y,te)=>Y+te,0);for(let Y=0;Y<p;++Y)g[Y]=m[Y]/z*k>>>0;for(let Y=0;Y<p;++Y)_[Y]=Y===0?0:_[Y-1]+g[Y-1];const $=A/p;let K=0;for(let Y=0;Y<D;++Y){const te=t[K++],J=t[K++],_e=t[K++],Ae=(te*C+J*b+_e*I-L)/$,we=Ae>>>0,$e=_[we]+g[we]*(Ae-we)>>>0;u[Y]=$e,f[$e]++}}for(let B=1;B<k;B++)f[B]+=f[B-1];for(let B=0;B<D;B++){const z=u[B],$=--f[z];e[$]=B}const M=S*C+T*b+w*I,R=B=>{let z=e[B]*3;return t[z++]*C+t[z++]*b+t[z]*I-M},F=()=>{const B=v(0,D-1,z=>-R(z));return Math.min(D,Math.abs(B))},U=R(D-1)>=0?F():D;if(i)for(let B=0;B<D;++B)e[B]=i[e[B]];l.postMessage({order:e.buffer,count:U,sortTime:performance.now()-y},[e.buffer]),e=null};l.addEventListener("message",y=>{const S=y.data??y;if(S.order&&(e=new Uint32Array(S.order)),S.centers)if(t=new Float32Array(S.centers),n=!0,S.chunks){const T=new Float32Array(S.chunks);s=new Float32Array(S.chunks,0,T.length*4/6),h.x=T[0],h.y=T[1],h.z=T[2],d.x=T[3],d.y=T[4],d.z=T[5];for(let w=0;w<T.length/6;++w){const C=T[w*6+0],b=T[w*6+1],I=T[w*6+2],P=T[w*6+3],L=T[w*6+4],O=T[w*6+5];s[w*4+0]=(C+P)*.5,s[w*4+1]=(b+L)*.5,s[w*4+2]=(I+O)*.5,s[w*4+3]=Math.sqrt((P-C)**2+(L-b)**2+(O-I)**2)*.5,C<h.x&&(h.x=C),b<h.y&&(h.y=b),I<h.z&&(h.z=I),P>d.x&&(d.x=P),L>d.y&&(d.y=L),O>d.z&&(d.z=O)}}else{const T=t.length/3,w=Math.ceil(T/256);s=new Float32Array(w*4),h.x=h.y=h.z=1/0,d.x=d.y=d.z=-1/0;let C,b,I,P,L,O;for(let D=0;D<w;++D){C=b=I=1/0,P=L=O=-1/0;const N=D*256,k=Math.min(T,(D+1)*256);for(let A=N;A<k;++A){const M=t[A*3+0],R=t[A*3+1],F=t[A*3+2],U=Number.isFinite(M),B=Number.isFinite(R),z=Number.isFinite(F);U||(t[A*3+0]=0),B||(t[A*3+1]=0),z||(t[A*3+2]=0),!(!U||!B||!z)&&(M<C?C=M:M>P&&(P=M),R<b?b=R:R>L&&(L=R),F<I?I=F:F>O&&(O=F),M<h.x?h.x=M:M>d.x&&(d.x=M),R<h.y?h.y=R:R>d.y&&(d.y=R),F<h.z?h.z=F:F>d.z&&(d.z=F))}s[D*4+0]=(C+P)*.5,s[D*4+1]=(b+L)*.5,s[D*4+2]=(I+O)*.5,s[D*4+3]=Math.sqrt((P-C)**2+(L-b)**2+(O-I)**2)*.5}}S.hasOwnProperty("mapping")&&(i=S.mapping?new Uint32Array(S.mapping):null,n=!0),S.cameraPosition&&(r=S.cameraPosition),S.cameraDirection&&(a=S.cameraDirection),x()})}class SR extends ge{worker;target;orderData;centers;scene;uploadStream;pendingSorted=null;constructor(e,t){super(),this.scene=t??null,this.uploadStream=new xw(e,!e.isWebGPU);const s=r=>{const a=r.data??r;this.scene&&a.sortTime!==void 0&&this.scene.fire("gsplat:sorted",a.sortTime);const n=a.order,o=this.orderData;this.worker.postMessage({order:o},[o]),this.orderData=n,this.pendingSorted={count:a.count,data:new Uint32Array(n)},this.fire("updated")},i=`(${vR.toString()})()`;Ce.environment==="node"?(this.worker=new Worker(i,{eval:!0}),this.worker.on("message",s)):(this.worker=new Worker(URL.createObjectURL(new Blob([i],{type:"application/javascript"}))),this.worker.addEventListener("message",s))}destroy(){this.worker.terminate(),this.worker=null,this.uploadStream.destroy(),this.uploadStream=null}init(e,t,s,i){this.target=e,this.centers=s.slice();

1659const r=new Uint32Array(t);for(let o=0;o<t;++o)r[o]=o;this.orderData=new ArrayBuffer(t*4);const a={order:r.buffer,centers:s.buffer,chunks:i?.buffer},n=[r.buffer,s.buffer].concat(i?[i.buffer]:[]);this.worker.postMessage(a,n)}applyPendingSorted(){if(this.pendingSorted){const{count:e,data:t}=this.pendingSorted;return this.pendingSorted=null,this.uploadStream.upload(t,this.target),e}return-1}setMapping(e){if(e){const t=new Float32Array(e.length*3);for(let s=0;s<e.length;++s){const i=e[s]*3,r=s*3;t[r+0]=this.centers[i+0],t[r+1]=this.centers[i+1],t[r+2]=this.centers[i+2]}this.worker.postMessage({centers:t.buffer,mapping:e.buffer},[t.buffer,e.buffer])}else{const t=this.centers.slice();this.worker.postMessage({centers:t.buffer,mapping:null},[t.buffer])}}setCamera(e,t){this.worker.postMessage({cameraPosition:{x:e.x,y:e.y,z:e.z},cameraDirection:{x:t.x,y:t.y,z:t.z}})}}var yR=`
1660#include "gsplatPackingPS"
1661uniform highp sampler2D means_l;
1662uniform highp sampler2D means_u;
1663uniform highp uint numSplats;
1664uniform highp vec3 means_mins;
1665uniform highp vec3 means_maxs;
1666void main(void) {
1667	int w = int(textureSize(means_l, 0).x);
1668	ivec2 uv = ivec2(gl_FragCoord.xy);
1669	if (uint(uv.x + uv.y * w) >= numSplats) {
1670		discard;
1671	}
1672	vec3 l = texelFetch(means_l, uv, 0).xyz;
1673	vec3 u = texelFetch(means_u, uv, 0).xyz;
1674	vec3 n = (l + u * 256.0) / 257.0;
1675	vec3 v = mix(means_mins, means_maxs, n);
1676	vec3 center = sign(v) * (exp(abs(v)) - 1.0);
1677	pcFragColor0 = uvec4(floatBitsToUint(center), 0u);
1678}
1679`,xR=`
1680var means_l: texture_2d<f32>;
1681var means_u: texture_2d<f32>;
1682uniform numSplats: u32;
1683uniform means_mins: vec3f;
1684uniform means_maxs: vec3f;
1685@fragment
1686fn fragmentMain(input: FragmentInput) -> FragmentOutput {
1687	var output: FragmentOutput;
1688	let w: u32 = textureDimensions(means_l, 0).x;
1689	let uv: vec2<i32> = vec2<i32>(input.position.xy);
1690	if (u32(uv.x + uv.y * i32(w)) >= uniform.numSplats) {
1691		discard;
1692		return output;
1693	}
1694	let l: vec3f = textureLoad(means_l, uv, 0).xyz;
1695	let u: vec3f = textureLoad(means_u, uv, 0).xyz;
1696	let n: vec3f = (l + u * 256.0) / 257.0;
1697	let v: vec3f = mix(uniform.means_mins, uniform.means_maxs, n);
1698	let center: vec3f = sign(v) * (exp(abs(v)) - 1.0);
1699	let packed: vec4<u32> = bitcast<vec4<u32>>(vec4f(center, 0.0));
1700	output.color = packed;
1701	return output;
1702}
1703`;const lr=.28209479177387814,Gr=l=>l.device.isNull?new Promise(e=>{e(new Uint8Array(l.width*l.height*4))}):l.read(0,0,l.width,l.height,{mipLevel:0,face:0,immediate:!0}),TR=(l,e)=>{for(const t in e)l.resolve(t).setValue(e[t])};class wR{constructor(e,t,s,i,r,a){const n=(w,C,b)=>w*(1-b)+C*b,{meta:o,shBands:c}=e,{means:h,scales:d,sh0:u,shN:f}=o,p=t&&e.means_l._levels[0],m=t&&e.means_u._levels[0],_=s&&e.quats._levels[0],g=i&&e.scales._levels[0],v=r&&e.sh0._levels[0],x=a&&e.sh_labels._levels[0],y=a&&e.sh_centroids._levels[0],S=Math.SQRT2,T={1:3,2:8,3:15}[c]??0;this.read=w=>{if(t){const C=n(h.mins[0],h.maxs[0],((m[w*4+0]<<8)+p[w*4+0])/65535),b=n(h.mins[1],h.maxs[1],((m[w*4+1]<<8)+p[w*4+1])/65535),I=n(h.mins[2],h.maxs[2],((m[w*4+2]<<8)+p[w*4+2])/65535);t.x=Math.sign(C)*(Math.exp(Math.abs(C))-1),t.y=Math.sign(b)*(Math.exp(Math.abs(b))-1),t.z=Math.sign(I)*(Math.exp(Math.abs(I))-1)}if(s){const C=(_[w*4+0]/255-.5)*S,b=(_[w*4+1]/255-.5)*S,I=(_[w*4+2]/255-.5)*S,P=Math.sqrt(Math.max(0,1-(C*C+b*b+I*I)));switch(_[w*4+3]-252){case 0:s.set(C,b,I,P);break;case 1:s.set(P,b,I,C);break;case 2:s.set(b,P,I,C);break;case 3:s.set(b,I,P,C);break}}if(i)if(o.version===2){const C=d.codebook[g[w*4+0]],b=d.codebook[g[w*4+1]],I=d.codebook[g[w*4+2]];i.set(C,b,I)}else{const C=n(d.mins[0],d.maxs[0],g[w*4+0]/255),b=n(d.mins[1],d.maxs[1],g[w*4+1]/255),I=n(d.mins[2],d.maxs[2],g[w*4+2]/255);i.set(C,b,I)}if(r)if(o.version===2){const C=u.codebook[v[w*4+0]],b=u.codebook[v[w*4+1]],I=u.codebook[v[w*4+2]],P=v[w*4+3]/255;r.set(.5+C*lr,.5+b*lr,.5+I*lr,P)}else{const C=n(u.mins[0],u.maxs[0],v[w*4+0]/255),b=n(u.mins[1],u.maxs[1],v[w*4+1]/255),I=n(u.mins[2],u.maxs[2],v[w*4+2]/255),P=n(u.mins[3],u.maxs[3],v[w*4+3]/255);r.set(.5+C*lr,.5+b*lr,.5+I*lr,1/(1+Math.exp(-P)))}if(a){const C=x[w*4+0]+(x[w*4+1]<<8),b=C%64*T,I=Math.floor(C/64);if(o.version===2)for(let P=0;P<3;++P)for(let L=0;L<T;++L)a[P*15+L]=f.codebook[y[(b+L)*4+P+I*e.sh_centroids.width*4]];else for(let P=0;P<3;++P)for(let L=0;L<T;++L)a[P*15+L]=n(f.mins,f.maxs,y[(b+L)*4+P+I*e.sh_centroids.width*4]/255)}}}}class Tc{meta;numSplats;means_l;means_u;quats;scales;sh0;sh_centroids;sh_labels;codebookTexture=null;url="";_centers=null;destroyed=!1;shBands=0;_destroyGpuResources(){this.means_l?.destroy(),this.means_u?.destroy(),this.quats?.destroy(),this.scales?.destroy(),this.sh0?.destroy(),this.sh_centroids?.destroy(),this.sh_labels?.destroy(),this.codebookTexture?.destroy(),this.codebookTexture=null}static calcBands(e){return{192:1,512:2,960:3}[e]??0}destroy(){this.destroyed=!0,this._destroyGpuResources()}createIter(e,t,s,i,r){return new wR(this,e,t,s,i,r)}calcAabb(e){const{mins:t,maxs:s}=this.meta.means,i=r=>Math.sign(r)*(Math.exp(Math.abs(r))-1);e.center.set((i(t[0])+i(s[0]))*.5,(i(t[1])+i(s[1]))*.5,(i(t[2])+i(s[2]))*.5),e.halfExtents.set((i(s[0])-i(t[0]))*.5,(i(s[1])-i(t[1]))*.5,(i(s[2])-i(t[2]))*.5)}getCenters(){const e=this._centers;return this._centers=null,e}calcFocalPoint(e,t){const{mins:s,maxs:i}=this.meta.means,r=a=>

1703Math.sign(a)*(Math.exp(Math.abs(a))-1);e.set((r(s[0])+r(i[0]))*.5,(r(s[1])+r(i[1]))*.5,(r(s[2])+r(i[2]))*.5)}get isSog(){return!0}async decompress(){const e=["x","y","z","f_dc_0","f_dc_1","f_dc_2","opacity","scale_0","scale_1","scale_2","rot_0","rot_1","rot_2","rot_3"];this._patchCodebooks();const{shBands:t}=this,{means_l:s,means_u:i,quats:r,scales:a,sh0:n,sh_labels:o,sh_centroids:c}=this;if(s._levels[0]=await Gr(s),i._levels[0]=await Gr(i),r._levels[0]=await Gr(r),a._levels[0]=await Gr(a),n._levels[0]=await Gr(n),t>0){o._levels[0]=await Gr(o),c._levels[0]=await Gr(c);const g=[];for(let v=0;v<45;++v)g.push(`f_rest_${v}`);e.splice(e.indexOf("f_dc_0")+1,0,...g)}const h={};e.forEach(g=>{h[g]=new Float32Array(this.numSplats)});const d=new E,u=new ae,f=new E,p=new ie,m=t>0?new Float32Array(45):null,_=this.createIter(d,u,f,p,m);for(let g=0;g<this.numSplats;++g)if(_.read(g),h.x[g]=d.x,h.y[g]=d.y,h.z[g]=d.z,h.rot_1[g]=u.x,h.rot_2[g]=u.y,h.rot_3[g]=u.z,h.rot_0[g]=u.w,h.scale_0[g]=f.x,h.scale_1[g]=f.y,h.scale_2[g]=f.z,h.f_dc_0[g]=(p.x-.5)/lr,h.f_dc_1[g]=(p.y-.5)/lr,h.f_dc_2[g]=(p.z-.5)/lr,h.opacity[g]=p.w<=0?-40:p.w>=1?40:-Math.log(1/p.w-1),m)for(let v=0;v<45;++v)h[`f_rest_${v}`][g]=m[v];return new ha([{name:"vertex",count:this.numSplats,properties:e.map(g=>({name:g,type:"float",byteSize:4,storage:h[g]}))}])}async generateCenters(){const{device:e,width:t,height:s}=this.means_l,{scope:i}=e,r=new ce(e,{name:"sogCentersTexture",width:t,height:s,format:Wt,mipmaps:!1}),a=Qt.createShader(e,{uniqueName:"GsplatSogCentersShader",attributes:{vertex_position:Ie},vertexChunk:"fullscreenQuadVS",fragmentGLSL:yR,fragmentWGSL:xR,fragmentOutputTypes:["uvec4"]}),n=new St({colorBuffer:r,depth:!1,mipLevel:0});TR(i,{means_l:this.means_l,means_u:this.means_u,numSplats:this.numSplats,means_mins:this.meta.means.mins,means_maxs:this.meta.means.maxs});const o=new Uo(a),c=new UT(e,o);c.name="SogGenerateCenters",c.init(n),c.colorOps.clear=!1,c.depthStencilOps.clearDepth=!1,c.render(),o.destroy(),n.destroy();const h=await Gr(r);if(this.destroyed||e._destroyed){r.destroy();return}const d=new Float32Array(h.buffer),u=new Float32Array(this.numSplats*3);for(let f=0;f<this.numSplats;f++){const p=f*4;u[f*3+0]=d[p+0],u[f*3+1]=d[p+1],u[f*3+2]=d[p+2]}this._centers=u,r.destroy()}_createCodebookTexture(){const e=this.means_l.device,{scales:t,sh0:s,shN:i}=this.meta,r=t.codebook,a=s.codebook,n=i?.codebook,o=new Float32Array(256*4);for(let h=0;h<256;h++)o[h*4]=r[h];for(let h=0;h<256;h++)o[h*4+1]=a[h];if(n)for(let h=0;h<256;h++)o[h*4+2]=n[h];const c=this.url?`_${this.url}`:"";this.codebookTexture=new ce(e,{name:`sogCodebook${c}`,width:256,height:1,format:mt,mipmaps:!1,minFilter:Fe,magFilter:Fe,addressU:ue,addressV:ue,levels:[o]})}_patchCodebooks(){["scales","sh0","shN"].forEach(e=>{const t=this.meta[e]?.codebook;t?.[0]===null&&(t[0]=t[1]+(t[1]-t[255])/255)})}prepareCodebook(){const e=this.means_l?.device;this.destroyed||!e||e._destroyed||(this._patchCodebooks(),this.meta.version===2&&this._createCodebookTexture())}async prepareGpuData(){const e=this.means_l?.device;this.destroyed||!e||e._destroyed||await this.generateCenters()}}const CR=new Z,Hn=new E,Wn=new E;class ER{resource;orderTexture;orderBuffer;_material;meshInstance;options={};sorter=null;lastCameraPosition=new E;lastCameraDirection=new E;resolveSH=null;cameras=[];constructor(e,t={}){this.resource=e;const s=e.device,i=e.streams.textureDimensions,r=i.x*i.y;if(s.isWebGPU?this.orderBuffer=new Se(s,r*4,ct):this.orderTexture=e.streams.createTexture("splatOrder",js,i),t.material?(this._material=t.material,this._material.setDefine("{GSPLAT_INSTANCE_SIZE}",String(Rt.instanceSize)),this.setMaterialOrderData(this._material),this._material.setParameter("alphaClipForward",1/255)):(this._material=new ei({uniqueName:"SplatMaterial",vertexGLSL:'#include "gsplatVS"',fragmentGLSL:'#include "gsplatPS"',vertexWGSL:'#include "gsplatVS"',fragmentWGSL:'#include "gsplatPS"',attributes:{vertex_position:Ie}}),this.configureMaterial(this._material),this._material.update()),e.ensureMesh(),this.meshInstance=new Ne(e.mesh,this._material),this.meshInstance.setInstancing(!0,!0),this.meshInstance.gsplatInstance=this,this.meshInstance.instancingCount=0,e.hasCenters){const a=e.centers.slice(),n=e.chunks?.slice(),o=this.orderBuffer??this.orderTexture;

1703this.sorter=new SR(s,t.scene),this.sorter.init(o,r,a,n)}this.setHighQualitySH(t.highQualitySH??!1)}destroy(){this.resource?.releaseMesh(),this.orderTexture?.destroy(),this.orderBuffer?.destroy(),this.resolveSH?.destroy(),this.material?.destroy(),this.meshInstance?.destroy(),this.sorter?.destroy()}setMaterialOrderData(e){this.orderBuffer?e.setParameter("splatOrder",this.orderBuffer):(e.setParameter("splatOrder",this.orderTexture),e.setParameter("splatTextureSize",this.orderTexture.width))}set material(e){this._material!==e&&(this._material=e,this._material.setDefine("{GSPLAT_INSTANCE_SIZE}",String(Rt.instanceSize)),this.setMaterialOrderData(this._material),this._material.setParameter("alphaClipForward",1/255),this.meshInstance&&(this.meshInstance.material=e))}get material(){return this._material}configureMaterial(e,t={}){this.resource.configureMaterial(e,null,this.resource.format.getInputDeclarations()),e.setDefine("{GSPLAT_INSTANCE_SIZE}",Rt.instanceSize),e.setParameter("numSplats",0),this.setMaterialOrderData(e),e.setParameter("alphaClip",.3),e.setParameter("alphaClipForward",1/255),e.setParameter("minPixelSize",2),e.setDefine(`DITHER_${t.dither?"BLUENOISE":"NONE"}`,""),e.cull=Yt,e.blendType=t.dither?Ns:Ui,e.depthWrite=!!t.dither}sort(e){if(this.sorter){const t=e.getWorldTransform();t.getTranslation(Hn),t.getZ(Wn);const s=this.meshInstance.node.getWorldTransform(),i=CR.invert(s);i.transformPoint(Hn,Hn),i.transformVector(Wn,Wn),(!Hn.equalsApprox(this.lastCameraPosition)||!Wn.equalsApprox(this.lastCameraDirection))&&(this.lastCameraPosition.copy(Hn),this.lastCameraDirection.copy(Wn),this.sorter.setCamera(Hn,Wn

1703))}}update(){const e=this.sorter?.applyPendingSorted()??-1;if(e>=0&&(this.meshInstance.instancingCount=Math.ceil(e/Rt.instanceSize),this.material.setParameter("numSplats",e)),this.cameras.length>0){const t=this.cameras[0];this.sort(t._node),this.resolveSH?.render(t._node,this.meshInstance.node.getWorldTransform()),this.cameras.length=0}}setHighQualitySH(e){const{resource:t}=this,{gsplatData:s}=t;s instanceof Tc&&s.shBands>0&&e===!!this.resolveSH&&(this.resolveSH?(this.resolveSH.destroy(),this.resolveSH=null):this.resolveSH=new gR(t.device,this))}}const bR=(l,e)=>{const t=[];for(let s=0;s<e;++s)t.push(l.getProp(`f_rest_${s}`));return t};class Ff extends Rt{shBands;constructor(e,t,s={}){super(e,t,s);const i=t.numSplats;this.shBands=t.shBands;const r=[{name:"splatColor",format:Ge},{name:"transformA",format:Wt},{name:"transformB",format:Ge}];this.shBands>0&&(r.push({name:"splatSH_1to3",format:Wt}),this.shBands>1&&(r.push({name:"splatSH_4to7",format:Wt}),this.shBands>2?(r.push({name:"splatSH_8to11",format:Wt}),r.push({name:"splatSH_12to15",format:Wt})):r.push({name:"splatSH_8to11",format:js}))),this._format=new ca(e,r,{readGLSL:'#include "gsplatUncompressedVS"',readWGSL:'#include "gsplatUncompressedVS"'}),this.streams.init(this.format,i),this.updateColorData(t),this.updateTransformData(t),this.shBands>0&&this.updateSHData(t)}configureMaterialDefines(e){e.set("SH_BANDS",this.shBands)}updateColorData(e){const t=this.streams.getTexture("splatColor");if(!t)return;const s=Ja.float2Half,i=t.lock(),r=e.getProp("f_dc_0"),a=e.getProp("f_dc_1"),n=e.getProp("f_dc_2"),o=e.getProp("opacity"),c=.28209479177387814;for(let h=0;h<this.numSplats;++h){const d=r[h]*c+.5,u=a[h]*c+.5,f=n[h]*c+.5,p=1/(1+Math.exp(-o[h]));i[h*4+0]=s(d),i[h*4+1]=s(u),i[h*4+2]=s(f),i[h*4+3]=s(p)}t.unlock()}updateTransformData(e){const t=Ja.float2Half,s=this.streams.getTexture("transformA"),i=this.streams.getTexture("transformB");if(!s)return;const r=s.lock(),a=new Float32Array(r.buffer),n=i.lock(),o=new E,c=new ae,h=new E,d=e.createIter(o,c,h);for(let u=0;u<this.numSplats;u++)d.read(u),c.normalize(),c.w<0&&c.mulScalar(-1),a[u*4+0]=o.x,a[u*4+1]=o.y,a[u*4+2]=o.z,r[u*4+3]=t(c.x)|t(c.y)<<16,n[u*4+0]=t(h.x),n[u*4+1]=t(h.y),n[u*4+2]=t(h.z),n[u*4+3]=t(c.z);s.unlock(),i.unlock()}updateSHData(e){const t=this.streams.getTexture("splatSH_1to3"),s=this.streams.getTexture("splatSH_4to7"),i=this.streams.getTexture("splatSH_8to11"),r=this.streams.getTexture("splatSH_12to15"),a=t.lock(),n=s?.lock(),o=i?.lock(),c=r?.lock(),h={1:3,2:8,3:15}[this.shBands],d=bR(e,h*3),u=2047,f=1023,p=new Float32Array(1),m=new Uint32Array(p.buffer),_=new Array(h*3).fill(0);for(let g=0;g<e.numSplats;++g){for(let x=0;x<h;++x)_[x*3]=d[x][g],_[x*3+1]=d[x+h][g],_[x*3+2]=d[x+h*2][g];let v=_[0];for(let x=1;x<h*3;++x)v=Math.max(v,Math.abs(_[x]));if(v!==0){for(let x=0;x<h;++x)_[x*3+0]=Math.max(0,Math.min(u,Math.floor((_[x*3+0]/v*.5+.5)*u+.5))),_[x*3+1]=Math.max(0,Math.min(f,Math.floor((_[x*3+1]/v*.5+.5)*f+.5))),_[x*3+2]=Math.max(0,Math.min(u,Math.floor((_[x*3+2]/v*.5+.5)*u+.5)));p[0]=v,a[g*4+0]=m[0],a[g*4+1]=_[0]<<21|_[1]<<11|_[2],a[g*4+2]=_[3]<<21|_[4]<<11|_[5],a[g*4+3]=_[6]<<21|_[7]<<11|_[8],this.shBands>1&&(n[g*4+0]=_[9]<<21|_[10]<<11|_[11],n[g*4+1]=_[12]<<21|_[13]<<11|_[14],n[g*4+2]=_[15]<<21|_[16]<<11|_[17],n[g*4+3]=_[18]<<21|_[19]<<11|_[20],this.shBands>2?(o[g*4+0]=_[21]<<21|_[22]<<11|_[23],o[g*4+1]=_[24]<<21|_[25]<<11|_[26],o[g*4+2]=_[27]<<21|_[28]<<11|_[29],o[g*4+3]=_[30]<<21|_[31]<<11|_[32],c[g*4+0]=_[33]<<21|_[34]<<11|_[35],c[g*4+1]=_[36]<<21|_[37]<<11|_[38],c[g*4+2]=_[39]<<21|_[40]<<11|_[41],c[g*4+3]=_[42]<<21|_[43]<<11|_[44]):o[g]=_[21]<<21|_[22]<<11|_[23])}}t.unlock(),s?.unlock(),i?.unlock(),r?.unlock()}}class Tw extends Rt{constructor(e,t,s={}){super(e,t,s);const{meta:i,means_l:r}=t,a=i.version===2,n=t.shBands>0;r&&this.streams.textureDimensions.set(r.width,r.height),this.streams.textures.set("means_l",t.means_l),this.streams.textures.set("means_u",t.means_u),this.streams.textures.set("quats",t.quats),this.streams.textures.set("scales",t.scales),this.streams.textures.set("sh0",t.sh0),n&&(this.streams.textures.set("sh_labels",t.sh_labels),this.streams.textures.set("sh_centroids",t.sh_centroids)),a&&this.streams.textures.set("sogCodebook",t.codebookTexture);const o=[{name:"means_l",format:Re},{name:"means_u",format:Re},{name:"quats",format:Re},{name:"scales",format:Re},{name:"sh0",format:Re}];n&&(o.push({name:"sh_labels",format:Re}),o.push({name:"sh_centroids",format:Re}

1703)),a&&o.push({name:"sogCodebook",format:mt}),this._format=new ca(e,o,{readGLSL:'#include "gsplatSogVS"',readWGSL:'#include "gsplatSogVS"'}),this._populateParameters()}releaseTextureSources(){const e=this.gsplatData;e.means_l?.setReleaseSourceAfterUpload(),e.means_u?.setReleaseSourceAfterUpload(),e.quats?.setReleaseSourceAfterUpload(),e.scales?.setReleaseSourceAfterUpload(),e.sh0?.setReleaseSourceAfterUpload(),e.sh_centroids?.setReleaseSourceAfterUpload(),e.sh_labels?.setReleaseSourceAfterUpload()}_actualDestroy(){this.streams.textures.delete("means_l"),this.streams.textures.delete("means_u"),this.streams.textures.delete("quats"),this.streams.textures.delete("scales"),this.streams.textures.delete("sh0"),this.streams.textures.delete("sh_labels"),this.streams.textures.delete("sh_centroids"),this.streams.textures.delete("sogCodebook"),this.gsplatData.destroy(),super._actualDestroy()}_populateParameters(){const{meta:e}=this.gsplatData;e.means&&(this.parameters.set("means_mins",e.means.mins),this.parameters.set("means_maxs",e.means.maxs)),e.version!==2&&(e.scales&&(this.parameters.set("scales_mins",e.scales.mins),this.parameters.set("scales_maxs",e.scales.maxs)),e.sh0&&(this.parameters.set("sh0_mins",e.sh0.mins),this.parameters.set("sh0_maxs",e.sh0.maxs)),e.shN&&(this.parameters.set("shN_mins",e.shN.mins),this.parameters.set("shN_maxs",e.shN.maxs)))}configureMaterialDefines(e){const t=this.gsplatData;e.set("SH_BANDS",t.shBands),t.meta.version===2&&e.set("SOG_V2","")}}const AR="NONE",PR="FILL_WINDOW",by="KEEP_ASPECT",n_="AUTO",IR="FIXED";let ww;function yi(){return ww}function $p(l){ww=l}class DR{renderPasses=[];renderTargetMap=new Map;multiview=null;beginMultiView(e){this.multiview=new s_(e)}endMultiView(){const e=this.multiview;this.multiview=null,e?.children.length&&this.renderPasses.push(e)}addRenderPass(e){e.frameUpdate();const t=e.beforePasses;for(let i=0;i<t.length;i++){const r=t[i];r.enabled&&this.addRenderPass(r)}e.enabled&&(this.multiview?this.multiview.addChild(e):this.renderPasses.push(e));const s=e.afterPasses;for(let i=0;i<s.length;i++){const r=s[i];r.enabled&&this.addRenderPass(r)}}reset(){this.renderPasses.length=0}compile(){this._compilePasses(this.renderPasses);for(let e=0;e<this.renderPasses.length;e++){const t=this.renderPasses[e];t instanceof s_&&this._compilePasses(t.children)}}_compilePasses(e){const t=this.renderTargetMap;for(let r=0;r<e.length;r++){const a=e[r];a._skipStart=!1,a._skipEnd=!1;const n=a.renderTarget;if(n!==void 0){const o=t.get(n);if(o){const c=a.colorArrayOps.length;for(let h=0;h<c;h++)a.colorArrayOps[h].clear||(o.colorArrayOps[h].store=!0);a.depthStencilOps.clearDepth||(o.depthStencilOps.storeDepth=!0),a.depthStencilOps.clearStencil||(o.depthStencilOps.storeStencil=!0)}t.set(n,a)}}for(let r=0;r<e.length-1;r++){const a=e[r],n=a.renderTarget,o=e[r+1],c=o.renderTarget;n!==c||n===void 0||o.depthStencilOps.clearDepth||o.depthStencilOps.clearStencil||o.colorArrayOps.some(h=>h.clear)||a.afterPasses.length>0||o.beforePasses.length>0||(a._skipEnd=!0,o._skipStart=!0)}let s=null,i=null;for(let r=0;r<e.length;r++){const a=e[r],n=a.renderTarget,o=n?.colorBuffer;if(o?.cubemap){if(s===o){const c=i.colorArrayOps.length;for(let h=0;h<c;h++)i.colorArrayOps[h].mipmaps=!1}s=n.colorBuffer,i=a}else a.requiresCubemaps&&(s=null,i=null)}t.clear()}render(e){this.compile();const t=this.renderPasses;for(let s=0;s<t.length;s++)t[s].render()}}class MR{constructor(e,t){this.texture0=e,this.texture1=t}destroy(){this.texture0?.destroy(),this.texture1?.destroy()}}const Ay=new Jt;class Ha{static createTexture(e,t,s,i=""){return new ce(e,{name:`AreaLightLUT${i}`,width:s,height:s,format:t,addressU:ue,addressV:ue,type:Qs,magFilter:It,minFilter:Fe,anisotropy:1,mipmaps:!1})}static applyTextures(e,t,s){Ay.remove(e),Ay.get(e,()=>new MR(t,t===s?null:s)),e.scope.resolve("areaLightsLutTex1").setValue(t),e.scope.resolve("areaLightsLutTex2").setValue(s)}static createPlaceholder(e){const t=Ha.createTexture(e,Ge,2,"placeholder");t.lock().fill(0),t.unlock(),Ha.applyTextures(e,t,t)}static set(e,t,s){function i(u,f,p){const m=Ha.createTexture(u,p,64);return m.lock().set(f),m.unlock(),m}function r(u){const f=u.length,p=new Uint16Array(f),m=Ja.float2Half;for(let _=0;_<f;_++)p[_]=m(u[_]);return p}const a=t,n=s,o=r(a),c=r(n),h=i(e,o,Ge),d=i(e,c,Ge);Ha.applyTextures(e,h,d)}}const mu="en-US",_u={en:"en-US",es:"en-ES",zh:"zh-CN","zh-HK":"zh-TW","zh-TW":"zh-HK","zh-MO":"zh-HK",fr:"fr-FR",de:"de-DE",it:"it-IT",ru:"ru-RU",ja:"ja-JP"},Yg={};function _a(l,e){for(let t=0,s=l.length;t<s;t++)Yg[l[t]]=e}function ar(l){const e=l.indexOf("-");return e!==-1?l.substring(0,e):l}function RR(l,e){const t=l.indexOf("-");return t!==-1?e+l.substring(t):e}function Cw(l,e){if(e[l])return l;let t=_u[l];if(t&&e[t])return t;const s=ar(l);return t=_u[s],e[t]?t:e[s]?s:mu}_a(["ja","ko","th","vi","zh","id"],l=>0);_a(["fa","hi"],l=>l>=0&&l<=1?0:1);_a(["fr","pt"],l=>l>=0&&l<2?0:1);_a(["da"],l=>l===1||!Number.isInteger(l)&&l>=0&&l<=1?0:1);_a(["de","en","it","el","es","tr","fi","sv","nb","no","ur"],l=>l===1?0:1);_a(["ru","uk"],l=>{if(Number.isInteger(l)){const e=l%10,t=l%100;if(e===1&&t!==11)return 0;if(e>=2&&e<=4&&(t<12||t>14))return 1;if(e===0||e>=5&&e<=9||t>=11&&t<=14)return 2}return 3});_a(["pl"],l=>{if(Number.isInteger(l)){if(l===1)return 0;const e=l%10,t=l%100;if(e>=2&&e<=4&&(t<12||t>14))return 1;if(e>=0&&e<=1||e>=5&&e<=9||t>=12&&t<=14)return 2}return 3});_a(["ar"],l=>{if(l===0)return 0;if(l===1)return 1;if(l===2)return 2;if(Number.isInteger(l)){const e=l%100;if(e>=3&&e<=10)return 3;if(e>=11&&e<=99)return 4}return 5});const LR=Yg[ar(mu)];function Kp(l){return Yg[l]||LR}

1703const Vo=new RegExp("^\\s*(?:(?:[a-z]+[a-z0-9\\-+.]*:)?//|data:|blob:)","i");class FR{constructor(e="",t="",s=null,i=null,r=null,a=null){this.url=e,this.filename=t,this.hash=s,this.size=i,this.opt=r,this.contents=a}equals(e){return this.url===e.url&&this.filename===e.filename&&this.hash===e.hash&&this.size===e.size&&this.opt===e.opt&&this.contents===e.contents}}let OR=-1;const BR={pvr:"extCompressedTexturePVRTC",dxt:"extCompressedTextureS3TC",etc2:"extCompressedTextureETC",etc1:"extCompressedTextureETC1",basis:"canvas"},Py=["pvr","dxt","etc2","etc1","basis"];class pe extends ge{static EVENT_LOAD="load";static EVENT_UNLOAD="unload";static EVENT_REMOVE="remove";static EVENT_ERROR="error";static EVENT_CHANGE="change";static EVENT_PROGRESS="progress";static EVENT_ADDLOCALIZED="add:localized";static EVENT_REMOVELOCALIZED="remove:localized";_file=null;_i18n={};_preload=!1;_resources=[];id=OR--;loaded=!1;loading=!1;options={};registry=null;tags=new Mx(this);type;urlObject=null;constructor(e,t,s,i={},r={}){super(),this._name=e||"",this.type=t,this._data=i||{},this.options=r||{},s&&(this.file=s)}set name(e){if(this._name===e)return;const t=this._name;this._name=e,this.fire("name",this,this._name,t)}get name(){return this._name}set file(e){if(e&&e.variants&&["texture","textureatlas","bundle"].indexOf(this.type)!==-1){const i=this.registry?._loader?._app||yi(),r=i?.graphicsDevice;if(r)for(let a=0,n=Py.length;a<n;a++){const o=Py[a];if(e.variants[o]&&r[BR[o]]){e=e.variants[o];break}if(i.enableBundles){const c=i.bundles.listBundlesForAsset(this);if(c&&c.find(h=>h?.file?.variants[o]))break}}}const t=this._file,s=e?new FR(e.url,e.filename,e.hash,e.size,e.opt,e.contents):null;(!!s!=!!t||s&&!s.equals(t))&&(this._file=s,this.fire("change",this,"file",s,t),this.reload())}get file(){return this._file}set data(e){const t=this._data;this._data=e,e!==t&&(this.fire("change",this,"data",e,t),this.loaded&&this.registry._loader.patch(this,this.registry))}get data(){return this._data}set resource(e){const t=this._resources[0];this._resources[0]=e,this.fire("change",this,"resource",e,t)}get resource(){return this._resources[0]}set resources(e){const t=this._resources;this._resources=e,this.fire("change",this,"resources",e,t)}get resources(){return this._resources}set preload(e){e=!!e,this._preload!==e&&(this._preload=e,this._preload&&!this.loaded&&!this.loading&&this.registry&&this.registry.load(this))}get preload(){return this._preload}set loadFaces(e){e=!!e,(!this.hasOwnProperty("_loadFaces")||e!==this._loadFaces)&&(this._loadFaces=e,this.loaded&&this.registry._loader.patch(this,this.registry))}get loadFaces(){return this._loadFaces}getFileUrl(){const e=this.file;if(!e||!e.url)return null;let t=e.url;if(this.registry&&this.registry.prefix&&!Vo.test(t)&&(t=this.registry.prefix+t),this.type!=="script"&&e.hash){const s=t.indexOf("?")!==-1?"&":"?";t+=`${s}t=${e.hash}`}return t}getAbsoluteUrl(e){if(e.startsWith("blob:")||e.startsWith("data:"))return e;const t=ve.getDirectory(this.file.url);return ve.join(t,e)}getLocalizedAssetId(e){return e=Cw(e,this._i18n),this._i18n[e]||null}addLocalizedAssetId(e,t){this._i18n[e]=t,this.fire("add:localized",e,t)}removeLocalizedAssetId(e){const t=this._i18n[e];t&&(delete this._i18n[e],this.fire("remove:localized",e,t))}ready(e,t){t=t||this,this.loaded?e.call(t,this):this.once("load",s=>{e.call(t,s)})}reload(){this.loaded&&(this.loaded=!1,this.registry.load(this))}unload(){if(!this.loaded&&this._resources.length===0)return;this.fire("unload",this),this.registry.fire(`unload:${this.id}`,this);const e=this._resources;this.urlObject&&(URL.revokeObjectURL(this.urlObject),this.urlObject=null),this.resources=[],this.loaded=!1,this.file&&this.registry._loader.clearCache(this.getFileUrl(),this.type);for(let t=0;t<e.length;++t)e[t]?.destroy?.()}static fetchArrayBuffer(e,t,s,i=0){s?.file?.contents?setTimeout(()=>{t(null,s.file.contents)}):ht.get(e,{cache:!0,responseType:"arraybuffer",retry:i>0,maxRetries:i,progress:s},t)}}class NR{_index={};_key;constructor(e=null){this._key=e}addItem(e){const t=e.tags._list;for(const s of t)this.add(s,e)}removeItem(e){const t=e.tags._list;for(const s of t)this.remove(s,e)}add(e,t){this._index[e]&&this._index[e].list.indexOf(t)!==-1||(this._index[e]||(this._index[e]={list:[]},this._key&&(this._index[e].keys={})),this._index[e].list.push(t),this._key&&(this._index[e].keys[t[this._key]]=t))}remove(e,t){if(!this._index[e]||this._key&&!this._index[e].keys[t[this._key]])return;const s=this._index[e].list.indexOf(t);s!==-1&&(this._index[e].list.splice(s,1),this._key&&delete this._index[e].keys[t[this._key]],this._index[e].list.length===0&&delete this._index[e])}find(e){const t={},s=[];let i,r,a,n,o;const c=(h,d)=>this._index[h].list.length-this._index[d].list.length;for(let h=0;h<e.length;h++){if(r=e[h],r instanceof Array){if(r.length===0)continue;if(r.length===1)r=r[0];else{o=!1;for(let d=0;d<r.length;d++)if(!this._index[r[d]]){o=!0;break}if(o)continue;a=r.slice(0).sort(c),n=a.slice(1),n.length===1&&(n=n[0]);for(let d=0;d<this._index[a[0]].list.length;d++)i=this._index[a[0]].list[d],(this._key?!t[i[this._key]]:s.indexOf(i)===-1)&&i.tags.has(n)&&(this._key&&(t[i[this._key]]=!0),s.push(i));continue}}if(r&&typeof r=="string"&&this._index[r])for(let d=0;d<this._index[r].list.length;d++)i=this._index[r].list[d],this._key?t[i[this._key]]||(t[i[this._key]]=!0,s.push(i)):s.indexOf(i)===-1&&s.push(i)}return s}}class Ew extends ge{static EVENT_LOAD="load";static EVENT_ADD="add";static EVENT_REMOVE="remove";static EVENT_ERROR="error";_assets=new Set;_loader;_idToAsset=new Map;_urlToAsset=new Map;_nameToAsset=new Map;_tags=new NR("id");prefix=null;bundles=null;constructor(e){super(),this._loader=e}get loader(){return this._loader}list(e={}){const t=Array.from(this._assets);return e.preload!==void 0?t.filter(s=>s.preload===e.preload):t}add(e){this._assets.has(e)||(this._assets.add(e),this._idToAsset.set(e.id,e),e.file?.url&&this._urlToAsset.set(e.file.url,e),this._nameToAsset.has(e.name)||this._nameToAsset.set(e.name,new Set),this._nameToAsset.get(e.n

1703ame).add(e),e.on("name",this._onNameChange,this),e.registry=this,this._tags.addItem(e),e.tags.on("add",this._onTagAdd,this),e.tags.on("remove",this._onTagRemove,this),this.fire("add",e),this.fire(`add:${e.id}`,e),e.file?.url&&this.fire(`add:url:${e.file.url}`,e),e.preload&&this.load(e))}remove(e){if(!this._assets.has(e))return!1;if(this._assets.delete(e),this._idToAsset.delete(e.id),e.file?.url&&this._urlToAsset.delete(e.file.url),e.off("name",this._onNameChange,this),this._nameToAsset.has(e.name)){const t=this._nameToAsset.get(e.name);t.delete(e),t.size===0&&this._nameToAsset.delete(e.name)}return this._tags.removeItem(e),e.tags.off("add",this._onTagAdd,this),e.tags.off("remove",this._onTagRemove,this),e.fire("remove",e),this.fire("remove",e),this.fire(`remove:${e.id}`,e),e.file?.url&&this.fire(`remove:url:${e.file.url}`,e),!0}get(e){return this._idToAsset.get(Number(e))}getByUrl(e){return this._urlToAsset.get(e)}load(e,t){if((e.loading||e.loaded)&&!t?.force)return;const s=e.file,i=()=>{this.fire("load",e),this.fire(`load:${e.id}`,e),s&&s.url&&this.fire(`load:url:${s.url}`,e),e.fire("load",e)},r=n=>{if(n instanceof Array?e.resources=n:e.resource=n,this._loader.patch(e,this),e.type==="bundle"){const o=e.data.assets;for(let c=0;c<o.length;c++){const h=this._idToAsset.get(o[c]);h&&!h.loaded&&this.load(h,{force:!0})}e.resource.loaded?i():(this.fire("load:start",e),this.fire(`load:start:${e.id}`,e),s&&s.url&&this.fire(`load:start:url:${s.url}`,e),e.fire("load:start",e),e.resource.on("load",i))}else i()},a=(n,o,c)=>{if(e.loaded=!0,e.loading=!1,n)this.fire("error",n,e),this.fire(`error:${e.id}`,n,e),e.fire("error",n,e);else{if(e.type==="script"){const h=this._loader.getHandler("script");h._cache[e.id]&&h._cache[e.id].parentNode===document.head&&document.head.removeChild(h._cache[e.id]),c&&(h._cache[e.id]=c)}r(o)}};if(s||e.type==="cubemap"){this.fire("load:start",e),this.fire(`load:${e.id}:start`,e),e.loading=!0;const n=e.getFileUrl();if(e.type==="bundle"){const o=e.data.assets;for(let c=0;c<o.length;c++){const h=this._idToAsset.get(o[c]);h&&(h.loaded||h.resource||h.loading||(h.loading=!0))}}this._loader.load(n,e.type,a,e,t)}else{const n=this._loader.open(e.type,e.data);e.loaded=!0,r(n)}}loadFromUrl(e,t,s){this.loadFromUrlAndFilename(e,null,t,s)}loadFromUrlAndFilename(e,t,s,i){const r=ve.getBasename(t||e),a={filename:t||r,url:e};let n=this.getByUrl(e);if(!n)n=new pe(r,s,a),this.add(n);else if(n.loaded){i(n.loadFromUrlError||null,n);return}const o=c=>{c.once("load",h=>{s==="material"?this._loadTextures(h,(d,u)=>{i(d,h)}):i(null,h)}),c.once("error",h=>{h&&(this.loadFromUrlError=h),i(h,c)}),this.load(c)};n.resource?i(null,n):s==="model"?this._loadModel(n,o):o(n)}_loadModel(e,t){const s=e.getFileUrl(),i=ve.getExtension(s);if(i===".json"||i===".glb"){const r=ve.getDirectory(s),a=ve.getBasename(s),n=ve.join(r,a.replace(i,".mapping.json"));this._loader.load(n,"json",(o,c)=>{o?(e.data={mapping:[]},t(e)):this._loadMaterials(e,c,(h,d)=>{e.data=c,t(e)})})}else t(e)}_loadMaterials(e,t,s){const i=[];let r=0;const a=(n,o)=>{this._loadTextures(o,(c,h)=>{i.push(o),i.length===r&&s(null,i)})};for(let n=0;n<t.mapping.length;n++){const o=t.mapping[n].path;if(o){r++;const c=e.getAbsoluteUrl(o);this.loadFromUrl(c,"material",a)}}r===0&&s(null,i)}_loadTextures(e,t){const s=[];let i=0;const r=e.data;if(r.mappingFormat!=="path"){t(null,s);return}const a=(o,c)=>{o&&console.error(`Failed to load material texture for "${e.name}": ${o?.message??o}`,o),s.push(c),s.length===i&&t(null,s)},n=Rf;for(let o=0;o<n.length;o++){const c=r[n[o]];if(c&&typeof c=="string"){i++;const h=e.getAbsoluteUrl(c);this.loadFromUrl(h,"texture",a)}}i===0&&t(null,s)}_onTagAdd(e,t){this._tags.add(e,t)}_onTagRemove(e,t){this._tags.remove(e,t)}_onNameChange(e,t,s){if(this._nameToAsset.has(s)){const i=this._nameToAsset.get(s);i.delete(e),i.size===0&&this._nameToAsset.delete(s)}this._nameToAsset.has(e.name)||this._nameToAsset.set(e.name,new Set),this._nameToAsset.get(e.name).add(e)}findByTag(...e){return this._tags.find(e)}filter(e){return Array.from(this._assets).filter(t=>e(t))}find(e,t){const s=this._nameToAsset.get(e);if(!s)return null;for(const i of s)if(!t||i.type===t)return i;return null}findAll(e,t){const s=this._nameToAsset.get(e);if(!s)return[];const i=Array.from(s);return t?i.filter(r=>r.type===t):i}log(){}}class kR{_idToBundle=new Map;_assetToBundles=new Map;_urlsToBundles=new Map;_fileRequests=new Map;constructor(e){this._assets=e,this._assets.bundles=this,this._assets.on("add",this._onAssetAdd,this),this._assets.on("remove",this._onAssetRemove,this)}_onAssetAdd(e){if(e.type==="bundle"){this._idToBundle.set(e.id,e),this._assets.on(`load:start:${e.id}`,this._onBundleLoadStart,this),this._assets.on(`load:${e.id}`,this._onBundleLoad,this),this._assets.on(`error:${e.id}`,this._onBundleError,this);const t=e.data.assets;for(let s=0;s<t.length;s++)this._indexAssetInBundle(t[s],e)}else this._assetToBundles.has(e.id)&&this._indexAssetFileUrls(e)}_unbindAssetEvents(e){this._assets.off(`load:start:${e}`,this._onBundleLoadStart,this),this._assets.off(`load:${e}`,this._onBundleLoad,this),this._assets.off(`error:${e}`,this._onBundleError,this)}_indexAssetInBundle(e,t){let s=this._assetToBundles.get(e);s||(s=new Set,this._assetToBundles.set(e,s)),s.add(t);const i=this._assets.get(e);i&&this._indexAssetFileUrls(i)}_indexAssetFileUrls(e){const t=this._getAssetFileUrls(e);if(t)for(let s=0;s<t.length;s++){const i=this._assetToBundles.get(e.id);i&&this._urlsToBundles.set(t[s],i)}}_getAssetFileUrls(e){let t=e.getFileUrl();if(!t)return null;t=t.split("?")[0];const s=[t];if(e.type==="font"){const i=e.data.info.maps.length;for(let r=1;r<i;r++)s.push(t.replace(".png",`${r}.png`))}return s}_onAssetRemove(e){if(e.type==="bundle"){this._idToBundle.delete(e.id),this._unbindAssetEvents(e.id);const t=e.data.assets;for(let s=0;s<t.length;s++){const i=this._assetToBundles.get(t[s]);if(i&&(i.delete(e),i.size===0)){this._assetToBundles.delete(t[s]);for(const[r,a]of this._urlsToBundles)a===i&&this._urlsToBundles.delete(r)}}

1703this._onBundleError(`Bundle ${e.id} was removed`)}else{if(!this._assetToBundles.get(e.id))return;this._assetToBundles.delete(e.id);const s=this._getAssetFileUrls(e);if(!s)return;for(let i=0;i<s.length;i++)this._urlsToBundles.delete(s[i])}}_onBundleLoadStart(e){e.resource.on("add",(t,s)=>{const i=this._fileRequests.get(t);if(i){for(let r=0;r<i.length;r++)i[r](null,s);this._fileRequests.delete(t)}})}_onBundleLoad(e){if(!e.resource){this._onBundleError(`Bundle ${e.id} failed to load`);return}if(this._fileRequests)for(const[t,s]of this._fileRequests){const i=this._urlsToBundles.get(t);if(!i||!i.has(e))continue;const r=decodeURIComponent(t);let a,n;if(e.resource.has(r))n=e.resource.get(r);else if(e.resource.loaded)a=`Bundle ${e.id} does not contain URL ${t}`;else continue;for(let o=0;o<s.length;o++)s[o](a,a||n);this._fileRequests.delete(t)}}_onBundleError(e){for(const[t,s]of this._fileRequests)if(!this._findLoadedOrLoadingBundleForUrl(t)){for(let r=0;r<s.length;r++)s[r](e);this._fileRequests.delete(t)}}_findLoadedOrLoadingBundleForUrl(e){const t=this._urlsToBundles.get(e);if(!t)return null;let s=null;for(const i of t){if(i.loaded&&i.resource)return i;i.loading&&(s=i)}return s}listBundlesForAsset(e){const t=this._assetToBundles.get(e.id);return t?Array.from(t):null}list(){return Array.from(this._idToBundle.values())}hasUrl(e){return this._urlsToBundles.has(e)}urlIsLoadedOrLoading(e){return!!this._findLoadedOrLoadingBundleForUrl(e)}loadUrl(e,t){const s=this._findLoadedOrLoadingBundleForUrl(e);if(!s){t(`URL ${e} not found in any bundles`);return}if(s.loaded){const r=decodeURIComponent(e);if(s.resource.has(r)){t(null,s.resource.get(r));return}else if(s.resource.loaded){t(`Bundle ${s.id} does not contain URL ${e}`);return}}let i=this._fileRequests.get(e);i||(i=[],this._fileRequests.set(e,i)),i.push(t)}destroy(){this._assets.off("add",this._onAssetAdd,this),this._assets.off("remove",this._onAssetRemove,this);for(const e of this._idToBundle.keys())this._unbindAssetEvents(e);this._assets=null,this._idToBundle.clear(),this._idToBundle=null,this._assetToBundles.clear(),this._assetToBundles=null,this._urlsToBundles.clear(),this._urlsToBundles=null,this._fileRequests.clear(),this._fileRequests=null}}class UR extends ge{anim;animation;audiolistener;button;camera;collision;element;gsplat;joint;layoutchild;layoutgroup;light;model;particlesystem;render;rigidbody;screen;script;scrollbar;scrollview;sound;sprite;zone;constructor(){super(),this.list=[]}add(e){const t=e.id;if(this[t])throw new Error(`ComponentSystem name '${t}' already registered or not allowed`);this[t]=e,this.list.push(e)}remove(e){const t=e.id;if(!this[t])throw new Error(`No ComponentSystem named '${t}' registered`);delete this[t];const s=this.list.indexOf(this[t]);s!==-1&&this.list.splice(s,1)}destroy(){this.off();for(let e=0;e<this.list.length;e++)this.list[e].destroy()}}class zR extends ge{_index=new Map;_loaded=!1;static EVENT_ADD="add";static EVENT_LOAD="load";addFile(e,t){this._index.has(e)||(this._index.set(e,t),this.fire("add",e,t))}has(e){return this._index.has(e)}get(e){return this._index.get(e)||null}destroy(){this._index.clear()}set loaded(e){!e||this._loaded||(this._loaded=!0,this.fire("load"))}get loaded(){return this._loaded}}class VR extends ge{headerSize=512;paddingSize=512;bytesRead=0;bytesReceived=0;headerRead=!1;reader=null;data=new Uint8Array(0);decoder=null;prefix="";fileName="";fileSize=0;fileType="";ustarFormat="";constructor(e,t=""){super(),this.prefix=t||"",this.reader=e.body.getReader(),this.reader.read().then(s=>{this.pump(s.done,s.value)}).catch(s=>{this.fire("error",s)})}pump(e,t){if(e)return this.fire("done"),null;this.bytesReceived+=t.byteLength;const s=new Uint8Array(this.data.length+t.length);for(s.set(this.data),s.set(t,this.data.length),this.data=s;this.readFile(););return this.reader.read().then(i=>{this.pump(i.done,i.value)}).catch(i=>{this.fire("error",i)})}readFile(){if(!this.headerRead&&this.bytesReceived>this.bytesRead+this.headerSize){this.headerRead=!0;const e=new DataView(this.data.buffer,this.bytesRead,this.headerSize);this.decoder??(this.decoder=new TextDecoder("windows-1252"));const t=this.decoder.decode(e);if(this.fileName=t.substring(0,100).replace(/\0/g,""),this.fileSize=parseInt(t.substring(124,136),8),this.fileType=t.substring(156,157),this.ustarFormat=t.substring(257,263),this.ustarFormat.indexOf("ustar")!==-1){const s=t.substring(345,500).replace(/\0/g,"");

1703s.length>0&&(this.fileName=s.trim()+this.fileName.trim())}this.bytesRead+=512}if(this.headerRead){if(this.bytesReceived<this.bytesRead+this.fileSize)return!1;if(this.fileType===""||this.fileType==="0"){const t=new DataView(this.data.buffer,this.bytesRead,this.fileSize),s={name:this.prefix+this.fileName,size:this.fileSize,data:t};this.fire("file",s)}this.bytesRead+=this.fileSize,this.headerRead=!1;const e=this.bytesRead%this.paddingSize;return e!==0&&(this.bytesRead+=this.paddingSize-e),!0}return!1}}class dt{handlerType="";_app;_maxRetries=0;constructor(e,t){this._app=e,this.handlerType=t}set maxRetries(e){this._maxRetries=e}get maxRetries(){return this._maxRetries}load(e,t,s){}open(e,t,s){return t}patch(e,t){}}class GR extends dt{constructor(e){super(e,"bundle"),this._assets=e.assets}_fetchRetries(e,t,s=0){return new Promise((i,r)=>{const a=()=>{fetch(e,t).then(i).catch(n=>{s++,s<this.maxRetries?a():r(n)})};a()})}load(e,t){typeof e=="string"&&(e={load:e,original:e}),this._fetchRetries(e.load,{mode:"cors"},this.maxRetries).then(s=>{const i=new zR;t(null,i);const r=new VR(s,this._assets.prefix);r.on("file",a=>{i.addFile(a.name,a.data)}),r.on("done",()=>{i.loaded=!0}),r.on("error",a=>{t(a)})}).catch(s=>{t(s)})}open(e,t){return t}}class Co{constructor(e){this._handlers={},this._requests={},this._cache={},this._app=e}addHandler(e,t){this._handlers[e]=t,t._loader=this}removeHandler(e){delete this._handlers[e]}getHandler(e){return this._handlers[e]}static makeKey(e,t){return`${e}-${t}`}load(e,t,s,i,r){const a=this._handlers[t];if(!a){const o=`No resource handler for asset type: '${t}' when loading [${e}]`;s(o);return}if(!e){this._loadNull(a,s,i);return}const n=Co.makeKey(e,t);if(this._cache[n]!==void 0)s(null,this._cache[n]);else if(this._requests[n])this._requests[n].push(s);else{this._requests[n]=[s];const o=this,c=function(d,u){if(d){o._onFailure(n,d);return}if(u.load instanceof DataView){if(a.openBinary){if(!o._requests[n])return;try{const f=a.openBinary(u.load);o._onSuccess(n,f)}catch(f){o._onFailure(n,f)}return}u.load=URL.createObjectURL(new Blob([u.load])),i&&(i.urlObject&&URL.revokeObjectURL(i.urlObject),i.urlObject=u.load)}a.load(u,(f,p,m)=>{if(o._requests[n]){if(f){o._onFailure(n,f);return}try{o._onSuccess(n,a.open(u.original,p,i),m)}catch(_){o._onFailure(n,_)}}},i)},h=e.split("?")[0];if(this._app.enableBundles&&this._app.bundles.hasUrl(h)&&!(r&&r.bundlesIgnore)){if(!this._app.bundles.urlIsLoadedOrLoading(h)){const d=this._app.bundles.listBundlesForAsset(i);let u;r&&r.bundlesFilter&&(u=r.bundlesFilter(d)),u||(d?.sort((f,p)=>f.file.size-p.file.size),u=d?.[0]),u&&this._app.assets?.load(u)}this._app.bundles.loadUrl(h,(d,u)=>{c(d,{load:u,original:h})})}else c(null,{load:e,original:i&&i.file.filename||e})}}_loadNull(e,t,s){const i=function(r,a,n){if(r)t(r);else try{t(null,e.open(null,a,s),n)}catch(o){t(o)}};e.load(null,i,s)}_onSuccess(e,t,s){t!==null?this._cache[e]=t:delete this._cache[e];for(let i=0;i<this._requests[e].length;i++)this._requests[e][i](null,t,s);delete this._requests[e]}_onFailure(e,t){if(console.error(`Failed to load resource [${e}]: ${t?.message??t}`,t),this._requests[e]){for(let s=0;s<this._requests[e].length;s++)this._requests[e][s](t);delete this._requests[e]}}open(e,t){const s=this._handlers[e];return s?s.open(null,t):(console.warn(`No resource handler found for: ${e}`),t)}patch(e,t){const s=this._handlers[e.type];if(!s){console.warn(`No resource handler found for: ${e.type}`);return}s.patch&&s.patch(e,t)}clearCache(e,t){const s=Co.makeKey(e,t);delete this._cache[s]}getFromCache(e,t){const s=Co.makeKey(e,t);if(this._cache[s])return this._cache[s]}enableRetry(e=5){e=Math.max(0,Math.floor(e))||0;for(const t in this._handlers)this._handlers[t].maxRetries=e}disableRetry(){for(const e in this._handlers)this._handlers[e].maxRetries=0}destroy(){this._handlers={},this._requests={},this._cache={}}}class HR{_validate(e){if(!e.header)throw new Error('pc.I18n#addData: Missing "header" field');if(!e.header.version)throw new Error('pc.I18n#addData: Missing "header.version" field');if(e.header.version!==1)throw new Error('pc.I18n#addData: Invalid "header.version" field');if(e.data){if(!Array.isArray(e.data))throw new Error('pc.I18n#addData: "data" field must be an array')}else throw new Error('pc.I18n#addData: Missing "data" field');for(let t=0,s=e.data.length;t<s;t++){const i=e.data[t];if(!i.info)throw new Error(`pc.I18n#addData: missing "data[${t}].info" field`);if(!i.info.locale)throw new Error(`pc.I18n#addData: missing "data[${t}].info.locale" field`);if(typeof i.info.locale!="string")throw new Error(`pc.I18n#addData: "data[${t}].info.locale" must be a string`);if(!i.messages)throw new Error(`pc.I18n#addData: missing "data[${t}].messages" field`)}}parse(e){return e.data}}class fn extends ge{static EVENT_CHANGE="change";constructor(e){super(),this.locale=mu,this._translations={},this._availableLangs={},this._app=e,this._assets=[],this._parser=new HR}set assets(e){const t={};for(let i=0,r=e.length;i<r;i++){const a=e[i]instanceof pe?e[i].id:e[i];t[a]=!0}let s=this._assets.length;for(;s--;){const i=this._assets[s];if(!t[i]){this._app.assets.off(`add:${i}`,this._onAssetAdd,this);const r=this._app.assets.get(i);r&&this._onAssetRemove(r),this._assets.splice(s,1)}}for(const i in t){const r=parseInt(i,10);if(this._assets.indexOf(r)!==-1)continue;this._assets.push(r);const a=this._app.assets.get(r);a?this._onAssetAdd(a):this._app.assets.once(`add:${r}`,this._onAssetAdd,this)}}get assets(){return this._assets}set locale(e){if(this._locale===e)return;let t=ar(e);if(t==="in"&&(t="id",e=RR(e,t),this._locale===e))return;const s=this._locale;this._locale=e,this._lang=t,this._pluralFn=Kp(this._lang),this.fire(fn.EVENT_CHANGE,e,s)}get locale(){return this._locale}static findAvailableLocale(e,t){return Cw(e,t)}findAvailableLocale(e){if(this._translations[e])return e;const t=ar(e);return this._findFallbackLocale(e,t)}getText(e,t){let s=e,i;t||(t=this._locale,i=this._lang);let r=this._translations[t];return r||(i||(i=ar(t)),t=this._findFallbackLocale(t,i),r=this._translations[t]),r&&r.hasOwnProperty(e)&&(s=r[e],Array.isArray(s)&&(s=s[0]),s==null&&(s=e)),s}

1703getPluralText(e,t,s){let i=e,r,a;s?(r=ar(s),a=Kp(r)):(s=this._locale,r=this._lang,a=this._pluralFn);let n=this._translations[s];if(n||(s=this._findFallbackLocale(s,r),r=ar(s),a=Kp(r),n=this._translations[s]),n&&n[e]&&a){const o=a(t);i=n[e][o],i==null&&(i=e)}return i}addData(e){let t;try{t=this._parser.parse(e)}catch(s){console.error(`I18n.addData: failed to parse localization data: ${s?.message??s}`,s);return}for(let s=0,i=t.length;s<i;s++){const r=t[s],a=r.info.locale,n=r.messages;if(!this._translations[a]){this._translations[a]={};const o=ar(a);this._availableLangs[o]||(this._availableLangs[o]=a)}Object.assign(this._translations[a],n),this.fire("data:add",a,n)}}removeData(e){let t;try{t=this._parser.parse(e)}catch(s){console.error(`I18n.removeData: failed to parse localization data: ${s?.message??s}`,s);return}for(let s=0,i=t.length;s<i;s++){const r=t[s],a=r.info.locale,n=this._translations[a];if(!n)continue;const o=r.messages;for(const c in o)delete n[c];Object.keys(n).length===0&&(delete this._translations[a],delete this._availableLangs[ar(a)]),this.fire("data:remove",a,o)}}destroy(){this._translations=null,this._availableLangs=null,this._assets=null,this._parser=null,this.off()}_findFallbackLocale(e,t){let s=_u[e];return s&&this._translations[s]||(s=_u[t],s&&this._translations[s])||(s=this._availableLangs[t],s&&this._translations[s])?s:mu}_onAssetAdd(e){e.on("load",this._onAssetLoad,this),e.on("change",this._onAssetChange,this),e.on("remove",this._onAssetRemove,this),e.on("unload",this._onAssetUnload,this),e.resource&&this._onAssetLoad(e)}_onAssetLoad(e){this.addData(e.resource)}_onAssetChange(e){e.resource&&this.addData(e.resource)}_onAssetRemove(e){e.off("load",this._onAssetLoad,this),e.off("change",this._onAssetChange,this),e.off("remove",this._onAssetRemove,this),e.off("unload",this._onAssetUnload,this),e.resource&&this.removeData(e.resource),this._app.assets.once(`add:${e.id}`,this._onAssetAdd,this)}_onAssetUnload(e){e.resource&&this.removeData(e.resource)}}class WR extends ge{_scripts={};_list=[];_scriptSchemas=new Map;constructor(e){super(),this.app=e}destroy(){this.app=null,this.off()}addSchema(e,t){t&&this._scriptSchemas.set(e,t)}getSchema(e){return this._scriptSchemas.get(e)}add(e){const t=e.__name;return this._scripts.hasOwnProperty(t)?(setTimeout(()=>{if(e.prototype.swap){const s=this._scripts[t],i=this._list.indexOf(s);this._list[i]=e,this._scripts[t]=e,this.fire("swap",t,e),this.fire(`swap:${t}`,e)}else console.warn(`script registry already has '${t}' script, define 'swap' method for new script type to enable code hot swapping`)}),!1):(this._scripts[t]=e,this._list.push(e),this.fire("add",t,e),this.fire(`add:${t}`,e),setTimeout(()=>{if(!this._scripts.hasOwnProperty(t)||!this.app||!this.app.systems||!this.app.systems.script)return;const s=this.app.systems.script._components;let i;const r=[],a=[];for(s.loopIndex=0;s.loopIndex<s.length;s.loopIndex++){const n=s.items[s.loopIndex];if(n._scriptsIndex[t]&&n._scriptsIndex[t].awaiting){n._scriptsData&&n._scriptsData[t]&&(i=n._scriptsData[t].attributes);const o=n.create(t,{preloading:!0,ind:n._scriptsIndex[t].ind,attributes:i});o&&r.push(o);for(const c of n.scripts)n.initializeAttributes(c)}}for(let n=0;n<r.length;n++)r[n].enabled&&(r[n]._initialized=!0,a.push(r[n]),r[n].initialize&&r[n].initialize());for(let n=0;n<a.length;n++)!a[n].enabled||a[n]._postInitialized||(a[n]._postInitialized=!0,a[n].postInitialize&&a[n].postInitialize())}),!0)}remove(e){let t=e,s=e;if(typeof s!="string"?s=t.__name:t=this.get(s),this.get(s)!==t)return!1;delete this._scripts[s];const i=this._list.indexOf(t);return this._list.splice(i,1),this.fire("remove",s,t),this.fire(`remove:${s}`,t),!0}get(e){return this._scripts[e]||null}has(e){if(typeof e=="string")return this._scripts.hasOwnProperty(e);if(!e)return!1;const t=e.__name;return this._scripts[t]===e}list(){return this._list}}const XR=(l,e)=>l.constructor.order-e.constructor.order,YR=l=>l.sort(XR),yl=[],bw=[],jR=()=>bw.pop()??[],Iy=l=>{l.length=0,bw.push(l)};class lt extends He{static EVENT_DESTROY="destroy";anim;animation;audiolistener;button;camera;collision;element;gsplat;layoutchild;layoutgroup;light;model;particlesystem;render;rigidbody;screen;script;scrollbar;scrollview;sound;sprite;c={};_app;_destroying=!1;_guid=null;_template=!1;constructor(e,t=yi()){super(e),this._app=t}addComponent(e,t){const s=this._app.systems[e];return!s||this.c[e]?null:s.addComponent(this,t)}

1703removeComponent(e){const t=this._app.systems[e];t&&this.c[e]&&t.removeComponent(this)}findComponent(e){const t=this.findOne(s=>s.c?.[e]);return t&&t.c[e]}findComponents(e){return this.find(t=>t.c?.[e]).map(t=>t.c[e])}findScript(e){return this.findOne(s=>s.c?.script?.has(e))?.c.script.get(e)}findScripts(e){return this.find(s=>s.c?.script?.has(e)).map(s=>s.c.script.get(e))}set guid(e){const t=this._app._entityIndex;this._guid&&delete t[this._guid],this._guid=e,t[this._guid]=this}get guid(){return this._guid||(this.guid=eE.create()),this._guid}getGuid(){return this.guid}setGuid(e){this.guid=e}_notifyHierarchyStateChanged(e,t){let s=!1;e===this&&yl.length===0&&(s=!0),e._beingEnabled=!0,e._onHierarchyStateChanged(t),e._onHierarchyStatePostChanged&&yl.push(e);const i=e._children;for(let r=0,a=i.length;r<a;r++)i[r]._enabled&&this._notifyHierarchyStateChanged(i[r],t);if(e._beingEnabled=!1,s){for(let r=0;r<yl.length;r++)yl[r]._onHierarchyStatePostChanged();yl.length=0}}_onHierarchyStateChanged(e){super._onHierarchyStateChanged(e);const t=this._getSortedComponents();for(let s=0;s<t.length;s++){const i=t[s];i.enabled&&(e?i.onEnable():i.onDisable())}Iy(t)}_onHierarchyStatePostChanged(){const e=this._getSortedComponents();for(let t=0;t<e.length;t++)e[t].onPostStateChange();Iy(e)}findByGuid(e){if(this._guid===e)return this;const t=this._app._entityIndex[e];return t&&(t===this||t.isDescendantOf(this))?t:null}destroy(){this._destroying=!0;for(const e in this.c)this.c[e].enabled=!1;for(const e in this.c)this.c[e].system.removeComponent(this);super.destroy(),this._guid&&delete this._app._entityIndex[this._guid],this._destroying=!1}clone(){const e={},t=this._cloneRecursively(e);return e[this.guid]=t,Aw(this,this,t,e),t}_getSortedComponents(){const e=this.c,t=jR();let s=0;for(const i in e)if(e.hasOwnProperty(i)){const r=e[i];s|=r.constructor.order!==0,t.push(r)}return s&&t.length>1&&YR(t),t}_cloneRecursively(e){const t=new this.constructor(void 0,this._app);super._cloneInternal(t);for(const s in this.c)this.c[s].system.cloneComponent(this,t);for(let s=0;s<this._children.length;s++){const i=this._children[s];if(i instanceof lt){const r=i._cloneRecursively(e);t.addChild(r),e[i.guid]=r}}return t}}function Aw(l,e,t,s){if(e instanceof lt){const i=e.c;for(const n in i){const o=i[n],c=o.system.getPropertiesOfType("entity");for(let h=0,d=c.length;h<d;h++){const f=c[h].name,p=o[f];if(!!l.findByGuid(p)){const _=s[p].guid;_&&(t.c[n][f]=_)}}}i.script&&t.script.resolveDuplicatedEntityReferenceProperties(i.script,s),i.render&&t.render.resolveDuplicatedEntityReferenceProperties(i.render,s),i.button&&t.button.resolveDuplicatedEntityReferenceProperties(i.button,s),i.scrollview&&t.scrollview.resolveDuplicatedEntityReferenceProperties(i.scrollview,s),i.scrollbar&&t.scrollbar.resolveDuplicatedEntityReferenceProperties(i.scrollbar,s),i.anim&&t.anim.resolveDuplicatedEntityReferenceProperties(i.anim,s);const r=e.children.filter(n=>n instanceof lt),a=t.children.filter(n=>n instanceof lt);for(let n=0,o=r.length;n<o;n++)Aw(l,r[n],a[n],s)}}class Dy{name;url;data=null;_loading=!1;_onLoadedCallbacks=[];constructor(e,t){this.name=e,this.url=t}get loaded(){return!!this.data}get loading(){return this._loading}}class qR{_app;_list=[];_index={};_urlIndex={};constructor(e){this._app=e}destroy(){this._app=null}list(){return this._list}add(e,t){if(this._index.hasOwnProperty(e))return!1;const s=new Dy(e,t),i=this._list.push(s);return this._index[s.name]=i-1,this._urlIndex[s.url]=i-1,!0}find(e){return this._index.hasOwnProperty(e)?this._list[this._index[e]]:null}findByUrl(e){return this._urlIndex.hasOwnProperty(e)?this._list[this._urlIndex[e]]:null}remove(e){if(this._index.hasOwnProperty(e)){const t=this._index[e];let s=this._list[t];delete this._urlIndex[s.url],delete this._index[e],this._list.splice(t,1);for(let i=0;i<this._list.length;i++)s=this._list[i],this._index[s.name]=i,this._urlIndex[s.url]=i}}_loadSceneData(e,t,s){const i=this._app;let r=e;if(typeof e=="string"&&(e=this.findByUrl(r)||this.find(r)||new Dy("Untitled",r)),r=e.url,!r){s("Cannot find scene to load");return}if(e.loaded){s(null,e);return}i.assets&&i.assets.prefix&&!Vo.test(r)&&(r=ve.join(i.assets.prefix,r)),e._onLoadedCallbacks.push(s),e._loading||i.loader.getHandler("hierarchy").load(r,(n,o)=>{e.data=o,e._loading=!1;for(let c=0;c<e._onLoadedCallbacks.length;c++)e._onLoadedCallbacks[c](n,e);t||(e.data=null),e._onLoadedCallbacks.length=0}),e._loading=!0}loadSceneData(e,t){this._loadSceneData(e,!0,t)}unloadSceneData(e){typeof e=="string"&&(e=this.findByUrl(e)),e&&(e.data=null)}_loadSceneHierarchy(e,t,s){this._loadSceneData(e,!1,(i,r)=>{if(i){s&&s(i);return}t&&t(r);const a=this._app,n=()=>{const o=a.loader.getHandler("hierarchy");a.systems.script.preloading=!0;const c=o.open(r.url,r.data);a.systems.script.preloading=!1,a.loader.clearCache(r.url,"hierarchy"),a.root.addChild(c),a.systems.fire("initialize",c),a.systems.fire("postInitialize",c),a.systems.fire("postPostInitialize",c),s&&s(null,c)};a._preloadScripts(r.data,n)})}loadSceneHierarchy(e,t){this._loadSceneHierarchy(e,null,t)}loadSceneSettings(e,t){this._loadSceneData(e,!1,(s,i)=>{s?t&&t(s):(this._app.applySceneSettings(i.data.settings),t&&t(null))})}changeScene(e,t){const s=this._app,i=r=>{const{children:a}=s.root;for(;a.length;)a[0].destroy();s.applySceneSettings(r.data.settings)};this._loadSceneHierarchy(e,i,t)}loadScene(e,t){const s=this._app,i=s.loader.getHandler("scene");s.assets&&s.assets.prefix&&!Vo.test(e)&&(e=ve.join(s.assets.prefix,e)),i.load(e,(r,a)=>{if(r)t&&t(r);else{const n=()=>{s.systems.script.preloading=!0;const o=i.open(e,a),c=this.findByUrl(e);c&&!c.loaded&&(c.data=a),s.systems.script.preloading=!1,s.loader.clearCache(e,"scene"),s.loader.patch({resource:o,type:"scene"},s.assets),s.root.addChild(o.root),s.systems.rigidbody&&typeof Ammo<"u"&&s.systems.rigidbody.gravity.set(o._gravity.x,o._gravity.y,o._gravity.z),t&&t(null,o)};s._preloadScripts(a,n)}})}}class $R{constructor(e){this.frame={fps:0,ms:0,dt:0,updateStart:0,updateTime:0,renderStart:0,renderTime:0,physicsStart:0,physicsTime:0,scriptUpdateStart:0,scriptUpdate:0,scriptPostUpdateStart:0,scriptPostUpdate:0,animUpdateStart:0,animUpdate:0,cullTime:0,sortTime:0,skinTime:0,morphTime:0,instancingTime:0,triangles:0,gsplats:0,gsplatSort:0,gsplatBufferCopy:0,otherPrimitives:0,shaders:0,materials:0,cameras:0,shadowMapUpdates:0,shadowMapTime:0,depthMapTime:0,forwardTime:0,lightCluster

1703sTime:0,lightClusters:0,_timeToCountFrames:0,_fpsAccum:0},this.drawCalls={forward:0,depth:0,shadow:0,immediate:0,misc:0,total:0,skinned:0,instanced:0,removedByInstancing:0},this.misc={renderTargetCreationTime:0},this.particles={updatesPerFrame:0,_updatesPerFrame:0,frameTime:0,_frameTime:0},this.shaders=e._shaderStats,this.vram=e._vram,this.gpu=e.gpuProfiler?.passTimings??new Map,Object.defineProperty(this.vram,"totalUsed",{get:function(){return this.tex+this.vb+this.ib+this.ub+this.sb}}),Object.defineProperty(this.vram,"geom",{get:function(){return this.vb+this.ib}}),Object.defineProperty(this.vram,"buffers",{get:function(){return this.ub+this.sb}})}get scene(){return yi().scene._stats}get lightmapper(){return yi().lightmapper?.stats}get batcher(){const e=yi()._batcher;return e?e._stats:null}updateBasic(e,t,s,i,r){const a=this.frame;a.dt=t,a.ms=s,e>a._timeToCountFrames?(a.fps=a._fpsAccum,a._fpsAccum=0,a._timeToCountFrames=e+1e3):a._fpsAccum++,this.drawCalls.total=r._drawCallsPerFrame,r._drawCallsPerFrame=0,a.gsplats=i._gsplatCount,a.gsplatBufferCopy=i._gsplatBufferCopy??0}updateDetailed(e,t){let s=this.frame;s.cameras=e._camerasRendered,s.materials=e._materialSwitches,s.shaders=t._shaderSwitchesPerFrame,s.shadowMapUpdates=e._shadowMapUpdates,s.shadowMapTime=e._shadowMapTime,s.depthMapTime=e._depthMapTime,s.forwardTime=e._forwardTime;const i=t._primsPerFrame;s.triangles=i[qs]/3+Math.max(i[Tr]-2,0)+Math.max(i[qa]-2,0),s.cullTime=e._cullTime,s.sortTime=e._sortTime,s.skinTime=e._skinTime,s.morphTime=e._morphTime,s.lightClusters=e._lightClusters,s.lightClustersTime=e._lightClustersTime,s.otherPrimitives=0;for(let r=0;r<i.length;r++)r<qs&&(s.otherPrimitives+=i[r]),i[r]=0;e._camerasRendered=0,e._materialSwitches=0,e._shadowMapUpdates=0,t._shaderSwitchesPerFrame=0,e._cullTime=0,e._layerCompositionUpdateTime=0,e._lightClustersTime=0,e._sortTime=0,e._skinTime=0,e._morphTime=0,e._shadowMapTime=0,e._depthMapTime=0,e._forwardTime=0,s=this.drawCalls,s.forward=e._forwardDrawCalls,s.culled=e._numDrawCallsCulled,s.depth=0,s.shadow=e._shadowDrawCalls,s.skinned=e._skinDrawCalls,s.immediate=0,s.instanced=0,s.removedByInstancing=0,s.misc=s.total-(s.forward+s.shadow),e._depthDrawCalls=0,e._shadowDrawCalls=0,e._forwardDrawCalls=0,e._numDrawCallsCulled=0,e._skinDrawCalls=0,e._immediateRendered=0,e._instancedDrawCalls=0,this.misc.renderTargetCreationTime=t.renderTargetCreationTime,s=this.particles,s.updatesPerFrame=s._updatesPerFrame,s.frameTime=s._frameTime,s._updatesPerFrame=0,s._frameTime=0}frameEnd(){this.frame.gsplatSort=0}}var KR=`
1704uniform float alpha_ref;
1705void alphaTest(float a) {
1706	if (a < alpha_ref) discard;
1707}
1708`,ZR=`
1709#ifdef LIT_AMBIENT_SOURCE == AMBIENTSH
1710	uniform vec3 ambientSH[9];
1711#endif
1712#if LIT_AMBIENT_SOURCE == ENVALATLAS
1713	#include "envAtlasPS"
1714	#ifndef ENV_ATLAS
1715	#define ENV_ATLAS
1716		uniform sampler2D texture_envAtlas;
1717	#endif
1718#endif
1719void addAmbient(vec3 worldNormal) {
1720	#ifdef LIT_AMBIENT_SOURCE == AMBIENTSH
1721		vec3 n = cubeMapRotate(worldNormal);
1722		vec3 color =
1723			ambientSH[0] +
1724			ambientSH[1] * n.x +
1725			ambientSH[2] * n.y +
1726			ambientSH[3] * n.z +
1727			ambientSH[4] * n.x * n.z +
1728			ambientSH[5] * n.z * n.y +
1729			ambientSH[6] * n.y * n.x +
1730			ambientSH[7] * (3.0 * n.z * n.z - 1.0) +
1731			ambientSH[8] * (n.x * n.x - n.y * n.y);
1732		dDiffuseLight += processEnvironment(max(color, vec3(0.0)));
1733	#endif
1734	#if LIT_AMBIENT_SOURCE == ENVALATLAS
1735		vec3 dir = normalize(cubeMapRotate(worldNormal) * vec3(-1.0, 1.0, 1.0));
1736		vec2 uv = mapUv(toSphericalUv(dir), vec4(128.0, 256.0 + 128.0, 64.0, 32.0) / atlasSize);
1737		vec4 raw = texture2D(texture_envAtlas, uv);
1738		vec3 linear = {ambientDecode}(raw);
1739		dDiffuseLight += processEnvironment(linear);
1740	#endif
1741	#if LIT_AMBIENT_SOURCE == CONSTANT
1742		dDiffuseLight += light_globalAmbient;
1743	#endif
1744}
1745`,QR=`
1746#ifdef LIT_GGX_SPECULAR
1747	uniform float material_anisotropyIntensity;
1748	uniform vec2 material_anisotropyRotation;
1749#endif
1750void getAnisotropy() {
1751	dAnisotropy = 0.0;
1752	dAnisotropyRotation = vec2(1.0, 0.0);
1753#ifdef LIT_GGX_SPECULAR
1754	dAnisotropy = material_anisotropyIntensity;
1755	dAnisotropyRotation = material_anisotropyRotation;
1756#endif
1757	#ifdef STD_ANISOTROPY_TEXTURE
1758	vec3 anisotropyTex = texture2DBias({STD_ANISOTROPY_TEXTURE_NAME}, {STD_ANISOTROPY_TEXTURE_UV}, textureBias).rgb;
1759	dAnisotropy *= anisotropyTex.b;

1760	vec2 anisotropyRotationFromTex = anisotropyTex.rg * 2.0 - vec2(1.0);
1761	mat2 rotationMatrix = mat2(dAnisotropyRotation.x, dAnisotropyRotation.y, -dAnisotropyRotation.y, dAnisotropyRotation.x);
1762	dAnisotropyRotation = rotationMatrix * anisotropyRotationFromTex;
1763	#endif
1764	
1765	dAnisotropy = clamp(dAnisotropy, 0.0, 1.0);
1766}
1767`,JR=`
1768#if defined(STD_AO_TEXTURE) || defined(STD_AO_VERTEX)
1769	uniform float material_aoIntensity;
1770#endif
1771#ifdef STD_AODETAIL_TEXTURE
1772	#include "detailModesPS"
1773#endif
1774void getAO() {
1775	dAo = 1.0;
1776	#ifdef STD_AO_TEXTURE
1777		float aoBase = texture2DBias({STD_AO_TEXTURE_NAME}, {STD_AO_TEXTURE_UV}, textureBias).{STD_AO_TEXTURE_CHANNEL};
1778		#ifdef STD_AODETAIL_TEXTURE
1779			float aoDetail = texture2DBias({STD_AODETAIL_TEXTURE_NAME}, {STD_AODETAIL_TEXTURE_UV}, textureBias).{STD_AODETAIL_TEXTURE_CHANNEL};
1780			aoBase = detailMode_{STD_AODETAIL_DETAILMODE}(vec3(aoBase), vec3(aoDetail)).r;
1781		#endif
1782		dAo *= aoBase;
1783	#endif
1784	#ifdef STD_AO_VERTEX
1785		dAo *= saturate(vVertexColor.{STD_AO_VERTEX_CHANNEL});
1786	#endif
1787	#if defined(STD_AO_TEXTURE) || defined(STD_AO_VERTEX)
1788		dAo = mix(1.0, dAo, material_aoIntensity);
1789	#endif
1790}
1791`,e2=`
1792void occludeDiffuse(float ao) {
1793	dDiffuseLight *= ao;
1794}
1795`,t2=`
1796#if LIT_OCCLUDE_SPECULAR != NONE
1797	#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
1798		uniform float material_occludeSpecularIntensity;
1799	#endif
1800#endif
1801void occludeSpecular(float gloss, float ao, vec3 worldNormal, vec3 viewDir) {
1802	#if LIT_OCCLUDE_SPECULAR == AO
1803		#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
1804			float specOcc = mix(1.0, ao, material_occludeSpecularIntensity);
1805		#else
1806			float specOcc = ao;
1807		#endif
1808	#endif
1809	#if LIT_OCCLUDE_SPECULAR == GLOSSDEPENDENT
1810		float specPow = exp2(gloss * 11.0);
1811		float specOcc = saturate(pow(dot(worldNormal, viewDir) + ao, 0.01 * specPow) - 1.0 + ao);
1812		#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
1813			specOcc = mix(1.0, specOcc, material_occludeSpecularIntensity);
1814		#endif
1815	#endif
1816	#if LIT_OCCLUDE_SPECULAR != NONE
1817		dSpecularLight *= specOcc;
1818		dReflection *= specOcc;
1819		#ifdef LIT_SHEEN
1820			sSpecularLight *= specOcc;
1821			sReflection *= specOcc;
1822		#endif
1823	#endif
1824}
1825`,s2=`
1826	vec4 dirLm = texture2D(texture_dirLightMap, vUv1);
1827	if (bakeDir > 0.5) {
1828		if (dAtten > 0.00001) {
1829			dirLm.xyz = dirLm.xyz * 2.0 - vec3(1.0);
1830			dAtten = saturate(dAtten);
1831			gl_FragColor.rgb = normalize(dLightDirNormW.xyz*dAtten + dirLm.xyz*dirLm.w) * 0.5 + vec3(0.5);
1832			gl_FragColor.a = dirLm.w + dAtten;
1833			gl_FragColor.a = max(gl_FragColor.a, 1.0 / 255.0);
1834		} else {
1835			gl_FragColor = dirLm;
1836		}
1837	} else {
1838		gl_FragColor.rgb = dirLm.xyz;
1839		gl_FragColor.a = max(dirLm.w, dAtten > 0.00001 ? (1.0/255.0) : 0.0);
1840	}
1841`,i2=`
1842#ifdef LIT_LIGHTMAP_BAKING_ADD_AMBIENT
1843	dDiffuseLight = ((dDiffuseLight - 0.5) * max(ambientBakeOcclusionContrast + 1.0, 0.0)) + 0.5;
1844	dDiffuseLight += vec3(ambientBakeOcclusionBrightness);
1845	dDiffuseLight = saturate(dDiffuseLight);
1846	dDiffuseLight *= dAmbientLight;
1847#endif
1848#ifdef LIGHTMAP_RGBM
1849	gl_FragColor.rgb = dDiffuseLight;
1850	gl_FragColor.rgb = pow(gl_FragColor.rgb, vec3(0.5));
1851	gl_FragColor.rgb /= 8.0;
1852	gl_FragColor.a = clamp( max( max( gl_FragColor.r, gl_FragColor.g ), max( gl_FragColor.b, 1.0 / 255.0 ) ), 0.0,1.0 );
1853	gl_FragColor.a = ceil(gl_FragColor.a * 255.0) / 255.0;
1854	gl_FragColor.rgb /= gl_FragColor.a;
1855#else
1856	gl_FragColor = vec4(dDiffuseLight, 1.0);
1857#endif
1858`,r2=`
1859uniform vec3 view_position;
1860uniform vec3 light_globalAmbient;
1861float square(float x) {
1862	return x*x;
1863}
1864float saturate(float x) {
1865	return clamp(x, 0.0, 1.0);
1866}
1867vec3 saturate(vec3 x) {
1868	return clamp(x, vec3(0.0), vec3(1.0));
1869}
1870`,a2=`
1871#define NINESLICED
1872varying vec2 vMask;
1873varying vec2 vTiledUv;
1874uniform mediump vec4 innerOffset;
1875uniform mediump vec2 outerScale;
1876uniform mediump vec4 atlasRect;
1877vec2 nineSlicedUv;
1878`,n2=`
1879#define NINESLICED
1880#define NINESLICETILED
1881varying vec2 vMask;
1882varying vec2 vTiledUv;
1883uniform mediump vec4 innerOffset;
1884uniform mediump vec2 outerScale;
1885uniform mediump vec4 atlasRect;
1886vec2 nineSlicedUv;
1887`,o2=`
1888float bayer2(vec2 p) {
1889	return mod(2.0 * p.y + p.x + 1.0, 4.0);
1890}
1891float bayer4(vec2 p) {
1892	vec2 p1 = mod(p, 2.0);
1893	vec2 p2 = floor(0.5 * mod(p, 4.0));
1894	return 4.0 * bayer2(p1) + bayer2(p2);
1895}
1896float bayer8(vec2 p) {
1897	vec2 p1 = mod(p, 2.0);
1898	vec2 p2 = floor(0.5 * mod(p, 4.0));

1899	vec2 p4 = floor(0.25 * mod(p, 8.0));
1900	return 4.0 * (4.0 * bayer2(p1) + bayer2(p2)) + bayer2(p4);
1901}
1902`,l2=`
1903varying vec2 vUv0;
1904uniform sampler2D source;
1905uniform vec2 pixelOffset;
1906#ifdef GAUSS
1907	uniform float weight[{SAMPLES}];
1908#endif
1909void main(void) {
1910	vec3 moments = vec3(0.0);
1911	vec2 uv = vUv0 - pixelOffset * (float({SAMPLES}) * 0.5);
1912	for (int i = 0; i < {SAMPLES}; i++) {
1913		vec4 c = texture2D(source, uv + pixelOffset * float(i));
1914		#ifdef GAUSS
1915			moments += c.xyz * weight[i];
1916		#else
1917			moments += c.xyz;
1918		#endif
1919	}
1920	#ifndef GAUSS
1921		moments *= 1.0 / float({SAMPLES});
1922	#endif
1923	gl_FragColor = vec4(moments.x, moments.y, moments.z, 1.0);
1924}
1925`,c2=`
1926uniform float material_clearCoat;
1927void getClearCoat() {
1928	ccSpecularity = material_clearCoat;
1929	#ifdef STD_CLEARCOAT_TEXTURE
1930	ccSpecularity *= texture2DBias({STD_CLEARCOAT_TEXTURE_NAME}, {STD_CLEARCOAT_TEXTURE_UV}, textureBias).{STD_CLEARCOAT_TEXTURE_CHANNEL};
1931	#endif
1932	#ifdef STD_CLEARCOAT_VERTEX
1933	ccSpecularity *= saturate(vVertexColor.{STD_CLEARCOAT_VERTEX_CHANNEL});
1934	#endif
1935}
1936`,h2=`
1937uniform float material_clearCoatGloss;
1938void getClearCoatGlossiness() {
1939	ccGlossiness = material_clearCoatGloss;
1940	#ifdef STD_CLEARCOATGLOSS_TEXTURE
1941	ccGlossiness *= texture2DBias({STD_CLEARCOATGLOSS_TEXTURE_NAME}, {STD_CLEARCOATGLOSS_TEXTURE_UV}, textureBias).{STD_CLEARCOATGLOSS_TEXTURE_CHANNEL};
1942	#endif
1943	#ifdef STD_CLEARCOATGLOSS_VERTEX
1944	ccGlossiness *= saturate(vVertexColor.{STD_CLEARCOATGLOSS_VERTEX_CHANNEL});
1945	#endif
1946	#ifdef STD_CLEARCOATGLOSS_INVERT
1947	ccGlossiness = 1.0 - ccGlossiness;
1948	#endif
1949	ccGlossiness += 0.0000001;
1950}
1951`,d2=`
1952#ifdef STD_CLEARCOATNORMAL_TEXTURE
1953uniform float material_clearCoatBumpiness;
1954#endif
1955void getClearCoatNormal() {
1956#ifdef STD_CLEARCOATNORMAL_TEXTURE
1957	vec3 normalMap = {STD_CLEARCOATNORMAL_TEXTURE_DECODE}(texture2DBias({STD_CLEARCOATNORMAL_TEXTURE_NAME}, {STD_CLEARCOATNORMAL_TEXTURE_UV}, textureBias));
1958	normalMap = mix(vec3(0.0, 0.0, 1.0), normalMap, material_clearCoatBumpiness);
1959	ccNormalW = normalize(dTBN * normalMap);
1960#else
1961	ccNormalW = dVertexNormalW;
1962#endif
1963}
1964`,u2=`
1965vec2 getCubemapFaceCoordinates(const vec3 dir, out float faceIndex, out vec2 tileOffset)
1966{
1967	vec3 vAbs = abs(dir);
1968	float ma;
1969	vec2 uv;
1970	if (vAbs.z >= vAbs.x && vAbs.z >= vAbs.y) {
1971		faceIndex = dir.z < 0.0 ? 5.0 : 4.0;
1972		ma = 0.5 / vAbs.z;
1973		uv = vec2(dir.z < 0.0 ? -dir.x : dir.x, -dir.y);
1974		tileOffset.x = 2.0;
1975		tileOffset.y = dir.z < 0.0 ? 1.0 : 0.0;
1976	} else if(vAbs.y >= vAbs.x) {
1977		faceIndex = dir.y < 0.0 ? 3.0 : 2.0;
1978		ma = 0.5 / vAbs.y;
1979		uv = vec2(dir.x, dir.y < 0.0 ? -dir.z : dir.z);
1980		tileOffset.x = 1.0;
1981		tileOffset.y = dir.y < 0.0 ? 1.0 : 0.0;
1982	} else {
1983		faceIndex = dir.x < 0.0 ? 1.0 : 0.0;
1984		ma = 0.5 / vAbs.x;
1985		uv = vec2(dir.x < 0.0 ? dir.z : -dir.z, -dir.y);
1986		tileOffset.x = 0.0;
1987		tileOffset.y = dir.x < 0.0 ? 1.0 : 0.0;
1988	}
1989	return uv * ma + 0.5;
1990}
1991vec2 getCubemapAtlasCoordinates(const vec3 omniAtlasViewport, float shadowEdgePixels, float shadowTextureResolution, const vec3 dir) {
1992	float faceIndex;
1993	vec2 tileOffset;
1994	vec2 uv = getCubemapFaceCoordinates(dir, faceIndex, tileOffset);
1995	float atlasFaceSize = omniAtlasViewport.z;
1996	float tileSize = shadowTextureResolution * atlasFaceSize;
1997	float offset = shadowEdgePixels / tileSize;
1998	uv = uv * vec2(1.0 - offset * 2.0) + vec2(offset * 1.0);
1999	uv *= atlasFaceSize;
2000	uv += tileOffset * atlasFaceSize;
2001	uv += omniAtlasViewport.xy;
2002	return uv;
2003}
2004`,f2=`
2005vec3 _getCookieClustered(TEXTURE_ACCEPT(tex), vec2 uv, float intensity, vec4 cookieChannel) {
2006	vec4 pixel = mix(vec4(1.0), texture2DLod(tex, uv, 0.0), intensity);
2007	bool isRgb = dot(cookieChannel.rgb, vec3(1.0)) == 3.0;
2008	return isRgb ? pixel.rgb : vec3(dot(pixel, cookieChannel));
2009}
2010vec3 getCookie2DClustered(TEXTURE_ACCEPT(tex), mat4 transform, vec3 worldPosition, float intensity, vec4 cookieChannel) {

2011	vec4 projPos = transform * vec4(worldPosition, 1.0);
2012	return _getCookieClustered(TEXTURE_PASS(tex), projPos.xy / projPos.w, intensity, cookieChannel);
2013}
2014vec3 getCookieCubeClustered(TEXTURE_ACCEPT(tex), vec3 dir, float intensity, vec4 cookieChannel, float shadowTextureResolution, float shadowEdgePixels, vec3 omniAtlasViewport) {
2015	vec2 uv = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, dir);
2016	return _getCookieClustered(TEXTURE_PASS(tex), uv, intensity, cookieChannel);
2017}
2018`,p2=`
2019vec3 _getShadowCoordPerspZbuffer(mat4 shadowMatrix, vec4 shadowParams, vec3 wPos) {
2020	vec4 projPos = shadowMatrix * vec4(wPos, 1.0);
2021	projPos.xyz /= projPos.w;
2022	return projPos.xyz;
2023}
2024vec3 getShadowCoordPerspZbufferNormalOffset(mat4 shadowMatrix, vec4 shadowParams, vec3 normal) {
2025	vec3 wPos = vPositionW + normal * shadowParams.y;
2026	return _getShadowCoordPerspZbuffer(shadowMatrix, shadowParams, wPos);
2027}
2028vec3 normalOffsetPointShadow(vec4 shadowParams, vec3 lightPos, vec3 lightDir, vec3 lightDirNorm, vec3 normal) {
2029	float distScale = length(lightDir);
2030	vec3 wPos = vPositionW + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
2031	vec3 dir = wPos - lightPos;
2032	return dir;
2033}
2034#if defined(CLUSTER_SHADOW_TYPE_PCF1)
2035float getShadowOmniClusteredPCF1(SHADOWMAP_ACCEPT(shadowMap), vec4 shadowParams, vec3 omniAtlasViewport, float shadowEdgePixels, vec3 lightDir) {
2036	float shadowTextureResolution = shadowParams.x;
2037	vec2 uv = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
2038	float shadowZ = length(lightDir) * shadowParams.w + shadowParams.z;
2039	return textureShadow(shadowMap, vec3(uv, shadowZ));
2040}
2041#endif
2042#if defined(CLUSTER_SHADOW_TYPE_PCF3)
2043float getShadowOmniClusteredPCF3(SHADOWMAP_ACCEPT(shadowMap), vec4 shadowParams, vec3 omniAtlasViewport, float shadowEdgePixels, vec3 lightDir) {
2044	float shadowTextureResolution = shadowParams.x;
2045	vec2 uv = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
2046	float shadowZ = length(lightDir) * shadowParams.w + shadowParams.z;
2047	vec3 shadowCoord = vec3(uv, shadowZ);
2048	return getShadowPCF3x3(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams);
2049}
2050#endif
2051#if defined(CLUSTER_SHADOW_TYPE_PCF5)
2052float getShadowOmniClusteredPCF5(SHADOWMAP_ACCEPT(shadowMap), vec4 shadowParams, vec3 omniAtlasViewport, float shadowEdgePixels, vec3 lightDir) {
2053	float shadowTextureResolution = shadowParams.x;
2054	vec2 uv = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
2055	float shadowZ = length(lightDir) * shadowParams.w + shadowParams.z;
2056	vec3 shadowCoord = vec3(uv, shadowZ);
2057	return getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams);
2058}
2059#endif
2060#if defined(CLUSTER_SHADOW_TYPE_PCF1)
2061float getShadowSpotClusteredPCF1(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
2062	return textureShadow(shadowMap, shadowCoord);
2063}
2064#endif
2065#if defined(CLUSTER_SHADOW_TYPE_PCF3)
2066float getShadowSpotClusteredPCF3(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
2067	return getShadowSpotPCF3x3(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams);
2068}
2069#endif
2070#if defined(CLUSTER_SHADOW_TYPE_PCF5)
2071float getShadowSpotClusteredPCF5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
2072	return getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams);
2073}
2074#endif
2075`,m2=`
2076#include "lightBufferDefinesPS"
2077#include "clusteredLightUtilsPS"
2078#ifdef CLUSTER_COOKIES
2079	#include "clusteredLightCookiesPS"
2080#endif
2081#ifdef CLUSTER_SHADOWS
2082	#include "clusteredLightShadowsPS"
2083#endif
2084uniform highp usampler2D clusterWorldTexture;
2085uniform highp sampler2D lightsTexture;
2086#ifdef CLUSTER_SHADOWS
2087	uniform sampler2DShadow shadowAtlasTexture;
2088#endif
2089#ifdef CLUSTER_COOKIES
2090	uniform sampler2D cookieAtlasTexture;
2091#endif
2092uniform int clusterMaxCells;
2093uniform int numClusteredLights;
2094uniform int clusterTextureWidth;
2095uniform vec3 clusterCellsCountByBoundsSize;
2096uniform vec3 clusterBoundsMin;
2097uniform vec3 clusterBoundsDelta;
2098uniform ivec3 clusterCellsDot;
2099uniform ivec3 clusterCellsMax;
2100uniform vec2 shadowAtlasParams;
2101struct ClusterLightData {
2102	vec3 position;
2103	int lightIndex;
2104	vec3 direction;
2105	uint shape;
2106	vec3 color;
2107	float shadowIntensity;
2108	float range;
2109	float biasesData;
2110	float cookieIntensity;
2111	bool isSpot;
2112	bool falloffModeLinear;
2113	bool isDynamic;
2114	bool isLightmapped;
2115};
2116struct ClusterLightSpotData {
2117	float innerConeAngleCos;
2118	float outerConeAngleCos;
2119};
2120struct ClusterLightAreaData {
2121	vec3 halfWidth;
2122	vec3 halfHeight;
2123};
2124struct ClusterLightShadowData {
2125	float shadowBias;
2126	float shadowNormalBias;
2127};
2128mat4 lightProjectionMatrix;
2129uint clusterLightData_flags;
2130float clusterLightData_anglesData;
2131uint clusterLightData_colorBFlagsData;
2132vec4 sampleLightTextureF(int lightIndex, int index) {
2133	return texelFetch(lightsTexture, ivec2(index, lightIndex), 0);
2134}

2135ClusterLightData decodeClusterLightCore(int lightIndex) {
2136	ClusterLightData clusterLightData;
2137	clusterLightData.lightIndex = lightIndex;
2138	vec4 halfData = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_COLOR_ANGLES_BIAS});
2139	clusterLightData_anglesData = halfData.z;
2140	clusterLightData.biasesData = halfData.w;
2141	clusterLightData_colorBFlagsData = floatBitsToUint(halfData.y);
2142	vec2 colorRG = unpackHalf2x16(floatBitsToUint(halfData.x));
2143	vec2 colorB_flags = unpackHalf2x16(clusterLightData_colorBFlagsData);
2144	clusterLightData.color = vec3(colorRG, colorB_flags.x) * {LIGHT_COLOR_DIVIDER};
2145	vec4 lightPosRange = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_POSITION_RANGE});
2146	clusterLightData.position = lightPosRange.xyz;
2147	clusterLightData.range = lightPosRange.w;
2148	vec4 lightDir_Flags = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_DIRECTION_FLAGS});
2149	clusterLightData.direction = lightDir_Flags.xyz;
2150	clusterLightData_flags = floatBitsToUint(lightDir_Flags.w);
2151	clusterLightData.isSpot = (clusterLightData_flags & (1u << 30u)) != 0u;
2152	clusterLightData.shape = (clusterLightData_flags >> 28u) & 0x3u;
2153	clusterLightData.falloffModeLinear = (clusterLightData_flags & (1u << 27u)) == 0u;
2154	clusterLightData.shadowIntensity = float((clusterLightData_flags >> 0u) & 0xFFu) / 255.0;
2155	clusterLightData.cookieIntensity = float((clusterLightData_flags >> 8u) & 0xFFu) / 255.0;
2156	clusterLightData.isDynamic = (clusterLightData_flags & (1u << 22u)) != 0u;
2157	clusterLightData.isLightmapped = (clusterLightData_flags & (1u << 21u)) != 0u;
2158	return clusterLightData;
2159}
2160ClusterLightSpotData decodeClusterLightSpot() {
2161	uint angleFlags = (clusterLightData_colorBFlagsData >> 16u) & 0xFFFFu;
2162	vec2 angleValues = unpackHalf2x16(floatBitsToUint(clusterLightData_anglesData));
2163	float innerVal = angleValues.x;
2164	float outerVal = angleValues.y;
2165	float innerIsVersine = float(angleFlags & 1u);
2166	float outerIsVersine = float((angleFlags >> 1u) & 1u);
2167	return ClusterLightSpotData(
2168		mix(innerVal, 1.0 - innerVal, innerIsVersine),
2169		mix(outerVal, 1.0 - outerVal, outerIsVersine)
2170	);
2171}
2172vec3 decodeClusterLightOmniAtlasViewport(int lightIndex) {
2173	return sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_0}).xyz;
2174}
2175ClusterLightAreaData decodeClusterLightAreaData(int lightIndex) {
2176	return ClusterLightAreaData(
2177		sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_AREA_DATA_WIDTH}).xyz,
2178		sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_AREA_DATA_HEIGHT}).xyz
2179	);
2180}
2181mat4 decodeClusterLightProjectionMatrixData(int lightIndex) {
2182	vec4 m0 = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_0});
2183	vec4 m1 = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_1});
2184	vec4 m2 = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_2});
2185	vec4 m3 = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_3});
2186	return mat4(m0, m1, m2, m3);
2187}
2188ClusterLightShadowData decodeClusterLightShadowData(float biasesData) {
2189	vec2 biases = unpackHalf2x16(floatBitsToUint(biasesData));
2190	return ClusterLightShadowData(biases.x, biases.y);
2191}
2192vec4 decodeClusterLightCookieData() {
2193	uint cookieFlags = (clusterLightData_flags >> 23u) & 0x0Fu;
2194	vec4 mask = vec4(uvec4(cookieFlags) & uvec4(1u, 2u, 4u, 8u));
2195	return step(1.0, mask);
2196}
2197void evaluateLight(
2198	ClusterLightData light, 
2199	vec3 worldNormal, 
2200	vec3 viewDir, 
2201	vec3 reflectionDir,
2202#if defined(LIT_CLEARCOAT)
2203	vec3 clearcoatReflectionDir,
2204#endif
2205	float gloss, 
2206	vec3 specularity, 
2207	vec3 geometricNormal, 
2208	mat3 tbn, 
2209#if defined(LIT_IRIDESCENCE)
2210	vec3 iridescenceFresnel,
2211#endif
2212	vec3 clearcoat_worldNormal,
2213	float clearcoat_gloss,
2214	float sheen_gloss,
2215	float iridescence_intensity
2216) {
2217	vec3 cookieAttenuation = vec3(1.0);
2218	float diffuseAttenuation = 1.0;
2219	float falloffAttenuation = 1.0;
2220	vec3 lightDirW = evalOmniLight(light.position);
2221	vec3 lightDirNormW = normalize(lightDirW);
2222	#ifdef CLUSTER_AREALIGHTS
2223	if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
2224		ClusterLightAreaData areaData = decodeClusterLightAreaData(light.lightIndex);
2225		if (light.shape == {LIGHTSHAPE_RECT}) {
2226			calcRectLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
2227		} else if (light.shape == {LIGHTSHAPE_DISK}) {
2228			calcDiskLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
2229		} else {
2230			calcSphereLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
2231		}
2232		falloffAttenuation = getFalloffWindow(light.range, lightDirW);
2233	} else
2234	#endif
2235	{
2236		if (light.falloffModeLinear)
2237			falloffAttenuation = getFalloffLinear(light.range, lightDirW);
2238		else
2239			falloffAttenuation = getFalloffInvSquared(light.range, lightDirW);
2240	}
2241	if (falloffAttenuation > 0.00001) {
2242		#ifdef CLUSTER_AREALIGHTS
2243		if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
2244			if (light.shape == {LIGHTSHAPE_RECT}) {
2245				diffuseAttenuation = getRectLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
2246			} else if (light.shape == {LIGHTSHAPE_DISK}) {
2247				diffuseAttenuation = getDiskLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
2248			} else {
2249				diffuseAttenuation = getSphereLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
2250			}
2251		} else
2252		#endif
2253		{
2254			falloffAttenuation *= getLightDiffuse(worldNormal, viewDir, lightDirNormW); 
2255		}
2256		if (light.isSpot) {
2257			ClusterLightSpotData spotData = decodeClusterLightSpot();
2258			falloffAttenuation *= getSpotEffect(light.direction, spotData.innerConeAngleCos, spotData.outerConeAngleCos, lightDirNormW);
2259		}
2260		#if defined(CLUSTER_COOKIES) || defined(CLUSTER_SHADOWS)
2261		if (falloffAttenuation > 0.00001) {
2262			if (light.shadowIntensity > 0.0 || light.cookieIntensity > 0.0) {

2263				vec3 omniAtlasViewport = vec3(0.0);
2264				if (light.isSpot) {
2265					lightProjectionMatrix = decodeClusterLightProjectionMatrixData(light.lightIndex);
2266				} else {
2267					omniAtlasViewport = decodeClusterLightOmniAtlasViewport(light.lightIndex);
2268				}
2269				float shadowTextureResolution = shadowAtlasParams.x;
2270				float shadowEdgePixels = shadowAtlasParams.y;
2271				#ifdef CLUSTER_COOKIES
2272				if (light.cookieIntensity > 0.0) {
2273					vec4 cookieChannelMask = decodeClusterLightCookieData();
2274					if (light.isSpot) {
2275						cookieAttenuation = getCookie2DClustered(TEXTURE_PASS(cookieAtlasTexture), lightProjectionMatrix, vPositionW, light.cookieIntensity, cookieChannelMask);
2276					} else {
2277						cookieAttenuation = getCookieCubeClustered(TEXTURE_PASS(cookieAtlasTexture), lightDirW, light.cookieIntensity, cookieChannelMask, shadowTextureResolution, shadowEdgePixels, omniAtlasViewport);
2278					}
2279				}
2280				#endif
2281				#ifdef CLUSTER_SHADOWS
2282				if (light.shadowIntensity > 0.0) {
2283					ClusterLightShadowData shadowData = decodeClusterLightShadowData(light.biasesData);
2284					vec4 shadowParams = vec4(shadowTextureResolution, shadowData.shadowNormalBias, shadowData.shadowBias, 1.0 / light.range);
2285					if (light.isSpot) {
2286						vec3 shadowCoord = getShadowCoordPerspZbufferNormalOffset(lightProjectionMatrix, shadowParams, geometricNormal);
2287						
2288						#if defined(CLUSTER_SHADOW_TYPE_PCF1)
2289							float shadow = getShadowSpotClusteredPCF1(SHADOWMAP_PASS(shadowAtlasTexture), shadowCoord, shadowParams);
2290						#elif defined(CLUSTER_SHADOW_TYPE_PCF3)
2291							float shadow = getShadowSpotClusteredPCF3(SHADOWMAP_PASS(shadowAtlasTexture), shadowCoord, shadowParams);
2292						#elif defined(CLUSTER_SHADOW_TYPE_PCF5)
2293							float shadow = getShadowSpotClusteredPCF5(SHADOWMAP_PASS(shadowAtlasTexture), shadowCoord, shadowParams);
2294						#elif defined(CLUSTER_SHADOW_TYPE_PCSS)
2295							float shadow = getShadowSpotClusteredPCSS(SHADOWMAP_PASS(shadowAtlasTexture), shadowCoord, shadowParams);
2296						#endif
2297						falloffAttenuation *= mix(1.0, shadow, light.shadowIntensity);
2298					} else {
2299						vec3 dir = normalOffsetPointShadow(shadowParams, light.position, lightDirW, lightDirNormW, geometricNormal);
2300						#if defined(CLUSTER_SHADOW_TYPE_PCF1)
2301							float shadow = getShadowOmniClusteredPCF1(SHADOWMAP_PASS(shadowAtlasTexture), shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
2302						#elif defined(CLUSTER_SHADOW_TYPE_PCF3)
2303							float shadow = getShadowOmniClusteredPCF3(SHADOWMAP_PASS(shadowAtlasTexture), shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
2304						#elif defined(CLUSTER_SHADOW_TYPE_PCF5)
2305							float shadow = getShadowOmniClusteredPCF5(SHADOWMAP_PASS(shadowAtlasTexture), shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
2306						#endif
2307						falloffAttenuation *= mix(1.0, shadow, light.shadowIntensity);
2308					}
2309				}
2310				#endif
2311			}
2312		}
2313		#endif
2314		#ifdef CLUSTER_AREALIGHTS
2315		if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
2316			{
2317				vec3 areaDiffuse = (diffuseAttenuation * falloffAttenuation) * light.color * cookieAttenuation;
2318				#if defined(LIT_SPECULAR)
2319					areaDiffuse = mix(areaDiffuse, vec3(0), dLTCSpecFres);
2320				#endif
2321				dDiffuseLight += areaDiffuse;
2322			}
2323			#ifdef LIT_SPECULAR
2324				float areaLightSpecular;
2325				if (light.shape == {LIGHTSHAPE_RECT}) {
2326					areaLightSpecular = getRectLightSpecular(worldNormal, viewDir);
2327				} else if (light.shape == {LIGHTSHAPE_DISK}) {
2328					areaLightSpecular = getDiskLightSpecular(worldNormal, viewDir);
2329				} else {
2330					areaLightSpecular = getSphereLightSpecular(worldNormal, viewDir);
2331				}
2332				dSpecularLight += dLTCSpecFres * areaLightSpecular * falloffAttenuation * light.color * cookieAttenuation;
2333				#ifdef LIT_CLEARCOAT
2334					float areaLightSpecularCC;
2335					if (light.shape == {LIGHTSHAPE_RECT}) {
2336						areaLightSpecularCC = getRectLightSpecular(clearcoat_worldNormal, viewDir);
2337					} else if (light.shape == {LIGHTSHAPE_DISK}) {
2338						areaLightSpecularCC = getDiskLightSpecular(clearcoat_worldNormal, viewDir);
2339					} else {
2340						areaLightSpecularCC = getSphereLightSpecular(clearcoat_worldNormal, viewDir);
2341					}
2342					ccSpecularLight += ccLTCSpecFres * areaLightSpecularCC * falloffAttenuation * light.color  * cookieAttenuation;
2343				#endif
2344			#endif
2345		} else
2346		#endif
2347		{
2348			{
2349				vec3 punctualDiffuse = falloffAttenuation * light.color * cookieAttenuation;
2350				#if defined(CLUSTER_AREALIGHTS)
2351				#if defined(LIT_SPECULAR)
2352					punctualDiffuse = mix(punctualDiffuse, vec3(0), specularity);
2353				#endif
2354				#endif
2355				dDiffuseLight += punctualDiffuse;
2356			}
2357	 
2358			#ifdef LIT_SPECULAR
2359				vec3 halfDir = normalize(-lightDirNormW + viewDir);
2360				
2361				#ifdef LIT_SPECULAR_FRESNEL
2362					dSpecularLight += 
2363						getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, lightDirNormW, gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation * 
2364						getFresnel(
2365							dot(viewDir, halfDir), 
2366							gloss, 
2367							specularity
2368						#if defined(LIT_IRIDESCENCE)
2369							, iridescenceFresnel,
2370							iridescence_intensity
2371						#endif
2372							);
2373				#else
2374					dSpecularLight += getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, lightDirNormW, gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation * specularity;
2375				#endif
2376				#ifdef LIT_CLEARCOAT
2377					#ifdef LIT_SPECULAR_FRESNEL
2378						ccSpecularLight += getLightSpecular(halfDir, clearcoatReflectionDir, clearcoat_worldNormal, viewDir, lightDirNormW, clearcoat_gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation * getFresnelCC(dot(viewDir, halfDir));
2379					#else
2380						ccSpecularLight += getLightSpecular(halfDir, clearcoatReflectionDir, clearcoat_worldNormal, viewDir, lightDirNormW, clearcoat_gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation; 
2381					#endif
2382				#endif
2383				#ifdef LIT_SHEEN
2384					sSpecularLight += getLightSpecularSheen(halfDir, worldNormal, viewDir, lightDirNormW, sheen_gloss) * falloffAttenuation * light.color * cookieAttenuation;
2385				#endif
2386			#endif
2387		}
2388	}
2389	dAtten = falloffAttenuation;
2390	dLightDirNormW = lightDirNormW;
2391}
2392void evaluateClusterLight(
2393	int lightIndex, 
2394	vec3 worldNormal, 
2395	vec3 viewDir, 
2396	vec3 reflectionDir, 
2397#if defined(LIT_CLEARCOAT)
2398	vec3 clearcoatReflectionDir,
2399#endif
2400	float gloss, 
2401	vec3 specularity, 
2402	vec3 geometricNormal, 
2403	mat3 tbn, 
2404#if defined(LIT_IRIDESCENCE)
2405	vec3 iridescenceFresnel,
2406#endif
2407	vec3 clearcoat_worldNormal,
2408	float clearcoat_gloss,
2409	float sheen_gloss,
2410	float iridescence_intensity
2411) {
2412	ClusterLightData clusterLightData = decodeClusterLightCore(lightIndex);
2413	#ifdef CLUSTER_MESH_DYNAMIC_LIGHTS
2414		bool acceptLightMask = clusterLightData.isDynamic;
2415	#else
2416		bool acceptLightMask = clusterLightData.isLightmapped;
2417	#endif
2418	if (acceptLightMask)
2419		evaluateLight(
2420			clusterLightData, 
2421			worldNormal, 
2422			viewDir, 
2423			reflectionDir, 
2424#if defined(LIT_CLEARCOAT)
2425			clearcoatReflectionDir, 
2426#endif
2427			gloss, 
2428			specularity, 
2429			geometricNormal, 
2430			tbn, 
2431#if defined(LIT_IRIDESCENCE)
2432			iridescenceFresnel,
2433#endif
2434			clearcoat_worldNormal,
2435			clearcoat_gloss,
2436			sheen_gloss,
2437			iridescence_intensity
2438		);
2439}
2440void addClusteredLights(
2441	vec3 worldNormal, 
2442	vec3 viewDir, 
2443	vec3 reflectionDir, 
2444#if defined(LIT_CLEARCOAT)
2445	vec3 clearcoatReflectionDir,
2446#endif
2447	float gloss, 
2448	vec3 specularity, 
2449	vec3 geometricNormal, 
2450	mat3 tbn, 
2451#if defined(LIT_IRIDESCENCE)
2452	vec3 iridescenceFresnel,
2453#endif
2454	vec3 clearcoat_worldNormal,
2455	float clearcoat_gloss,
2456	float sheen_gloss,
2457	float iridescence_intensity
2458) {
2459	if (numClusteredLights <= 1)
2460		return;

2461	ivec3 cellCoords = ivec3(floor((vPositionW - clusterBoundsMin) * clusterCellsCountByBoundsSize));
2462	if (!(any(lessThan(cellCoords, ivec3(0))) || any(greaterThanEqual(cellCoords, clusterCellsMax)))) {
2463		int cellIndex = cellCoords.x * clusterCellsDot.x + cellCoords.y * clusterCellsDot.y + cellCoords.z * clusterCellsDot.z;
2464		int clusterV = cellIndex / clusterTextureWidth;
2465		int clusterU = cellIndex - clusterV * clusterTextureWidth;
2466		for (int lightCellIndex = 0; lightCellIndex < clusterMaxCells; lightCellIndex++) {
2467			uint lightIndex = texelFetch(clusterWorldTexture, ivec2(clusterU + lightCellIndex, clusterV), 0).x;
2468			if (lightIndex == 0u)
2469				break;
2470			evaluateClusterLight(
2471				int(lightIndex), 
2472				worldNormal, 
2473				viewDir, 
2474				reflectionDir,
2475#if defined(LIT_CLEARCOAT)
2476				clearcoatReflectionDir,
2477#endif
2478				gloss, 
2479				specularity, 
2480				geometricNormal, 
2481				tbn, 
2482#if defined(LIT_IRIDESCENCE)
2483				iridescenceFresnel,
2484#endif
2485				clearcoat_worldNormal,
2486				clearcoat_gloss,
2487				sheen_gloss,
2488				iridescence_intensity
2489			); 
2490		}
2491	}
2492}
2493`,_2=`
2494vec3 combineColor(vec3 albedo, vec3 sheenSpecularity, float clearcoatSpecularity) {
2495	vec3 ret = vec3(0);
2496#ifdef LIT_OLD_AMBIENT
2497	ret += (dDiffuseLight - light_globalAmbient) * albedo + material_ambient * light_globalAmbient;
2498#else
2499	ret += albedo * dDiffuseLight;
2500#endif
2501#ifdef LIT_SPECULAR
2502	ret += dSpecularLight;
2503#endif
2504#ifdef LIT_REFLECTIONS
2505	ret += dReflection.rgb * dReflection.a;
2506#endif
2507#ifdef LIT_SHEEN
2508	float sheenScaling = 1.0 - max(max(sheenSpecularity.r, sheenSpecularity.g), sheenSpecularity.b) * 0.157;
2509	ret = ret * sheenScaling + (sSpecularLight + sReflection.rgb) * sheenSpecularity;
2510#endif
2511#ifdef LIT_CLEARCOAT
2512	float clearCoatScaling = 1.0 - ccFresnel * clearcoatSpecularity;
2513	ret = ret * clearCoatScaling + (ccSpecularLight + ccReflection) * clearcoatSpecularity;
2514#endif
2515	return ret;
2516}
2517`,g2=`
2518	varying vec2 uv0;
2519	uniform sampler2D blitTexture;
2520	void main(void) {
2521		gl_FragColor = texture2D(blitTexture, uv0);
2522	}
2523`,v2=`
2524	varying vec2 uv0;
2525	uniform samplerCube blitTexture;
2526	uniform mat4 invViewProj;
2527	void main(void) {
2528		vec4 projPos = vec4(uv0 * 2.0 - 1.0, 0.5, 1.0);
2529		vec4 worldPos = invViewProj * projPos;
2530		gl_FragColor = textureCube(blitTexture, worldPos.xyz);
2531	}
2532`,S2=`
2533	attribute vec2 vertex_position;
2534	varying vec2 uv0;
2535	void main(void) {
2536		gl_Position = vec4(vertex_position, 0.5, 1.0);
2537		uv0 = vertex_position.xy * 0.5 + 0.5;
2538		#ifndef WEBGPU
2539			uv0.y = 1.0 - uv0.y;
2540		#endif
2541	}
2542`,y2=`
2543vec4 getCookie2D(sampler2D tex, mat4 transform, float intensity) {
2544	vec4 projPos = transform * vec4(vPositionW, 1.0);
2545	projPos.xy /= projPos.w;
2546	return mix(vec4(1.0), texture2D(tex, projPos.xy), intensity);
2547}
2548vec4 getCookie2DClip(sampler2D tex, mat4 transform, float intensity) {
2549	vec4 projPos = transform * vec4(vPositionW, 1.0);
2550	projPos.xy /= projPos.w;
2551	if (projPos.x < 0.0 || projPos.x > 1.0 || projPos.y < 0.0 || projPos.y > 1.0 || projPos.z < 0.0) return vec4(0.0);
2552	return mix(vec4(1.0), texture2D(tex, projPos.xy), intensity);
2553}
2554vec4 getCookie2DXform(sampler2D tex, mat4 transform, float intensity, vec4 cookieMatrix, vec2 cookieOffset) {
2555	vec4 projPos = transform * vec4(vPositionW, 1.0);
2556	projPos.xy /= projPos.w;
2557	projPos.xy += cookieOffset;
2558	vec2 uv = mat2(cookieMatrix) * (projPos.xy-vec2(0.5)) + vec2(0.5);
2559	return mix(vec4(1.0), texture2D(tex, uv), intensity);
2560}
2561vec4 getCookie2DClipXform(sampler2D tex, mat4 transform, float intensity, vec4 cookieMatrix, vec2 cookieOffset) {
2562	vec4 projPos = transform * vec4(vPositionW, 1.0);
2563	projPos.xy /= projPos.w;
2564	projPos.xy += cookieOffset;
2565	if (projPos.x < 0.0 || projPos.x > 1.0 || projPos.y < 0.0 || projPos.y > 1.0 || projPos.z < 0.0) return vec4(0.0);
2566	vec2 uv = mat2(cookieMatrix) * (projPos.xy-vec2(0.5)) + vec2(0.5);
2567	return mix(vec4(1.0), texture2D(tex, uv), intensity);
2568}
2569vec4 getCookieCube(samplerCube tex, mat4 transform, float intensity) {
2570	return mix(vec4(1.0), textureCube(tex, dLightDirNormW * mat3(transform)), intensity);
2571}
2572`,x2=`
2573#if LIT_CUBEMAP_PROJECTION == BOX
2574	uniform vec3 envBoxMin;
2575	uniform vec3 envBoxMax;
2576#endif
2577vec3 cubeMapProject(vec3 nrdir) {
2578	#if LIT_CUBEMAP_PROJECTION == NONE
2579		return cubeMapRotate(nrdir);
2580	#endif
2581	#if LIT_CUBEMAP_PROJECTION == BOX
2582		nrdir = cubeMapRotate(nrdir);

2583		vec3 rbmax = (envBoxMax - vPositionW) / nrdir;
2584		vec3 rbmin = (envBoxMin - vPositionW) / nrdir;
2585		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0))));
2586		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
2587		vec3 posonbox = vPositionW + nrdir * fa;
2588		vec3 envBoxPos = (envBoxMin + envBoxMax) * 0.5;
2589		return normalize(posonbox - envBoxPos);
2590	#endif
2591}
2592`,T2=`
2593#ifdef CUBEMAP_ROTATION
2594uniform mat3 cubeMapRotationMatrix;
2595#endif
2596vec3 cubeMapRotate(vec3 refDir) {
2597#ifdef CUBEMAP_ROTATION
2598	return refDir * cubeMapRotationMatrix;
2599#else
2600	return refDir;
2601#endif
2602}
2603`,w2=`
2604#ifdef DEBUG_ALBEDO_PASS
2605gl_FragColor = vec4(gammaCorrectOutput(dAlbedo), 1.0);
2606#endif
2607#ifdef DEBUG_UV0_PASS
2608gl_FragColor = vec4(litArgs_albedo , 1.0);
2609#endif
2610#ifdef DEBUG_WORLD_NORMAL_PASS
2611gl_FragColor = vec4(litArgs_worldNormal * 0.5 + 0.5, 1.0);
2612#endif
2613#ifdef DEBUG_OPACITY_PASS
2614gl_FragColor = vec4(vec3(litArgs_opacity) , 1.0);
2615#endif
2616#ifdef DEBUG_SPECULARITY_PASS
2617gl_FragColor = vec4(litArgs_specularity, 1.0);
2618#endif
2619#ifdef DEBUG_GLOSS_PASS
2620gl_FragColor = vec4(vec3(litArgs_gloss) , 1.0);
2621#endif
2622#ifdef DEBUG_METALNESS_PASS
2623gl_FragColor = vec4(vec3(litArgs_metalness) , 1.0);
2624#endif
2625#ifdef DEBUG_AO_PASS
2626gl_FragColor = vec4(vec3(litArgs_ao) , 1.0);
2627#endif
2628#ifdef DEBUG_EMISSION_PASS
2629gl_FragColor = vec4(gammaCorrectOutput(litArgs_emission), 1.0);
2630#endif
2631`,C2=`
2632#ifdef DEBUG_LIGHTING_PASS
2633litArgs_albedo = vec3(0.5);
2634#endif
2635#ifdef DEBUG_UV0_PASS
2636#ifdef VARYING_VUV0
2637litArgs_albedo = vec3(vUv0, 0);
2638#else
2639litArgs_albedo = vec3(0);
2640#endif
2641#endif
2642`,E2=`
2643#ifndef _DECODE_INCLUDED_
2644#define _DECODE_INCLUDED_
2645vec3 decodeLinear(vec4 raw) {
2646	return raw.rgb;
2647}
2648float decodeGamma(float raw) {
2649	return pow(raw, 2.2);
2650}
2651vec3 decodeGamma(vec3 raw) {
2652	return pow(raw, vec3(2.2));
2653}
2654vec3 decodeGamma(vec4 raw) {
2655	return pow(raw.xyz, vec3(2.2));
2656}
2657vec3 decodeRGBM(vec4 raw) {
2658	vec3 color = (8.0 * raw.a) * raw.rgb;
2659	return color * color;
2660}
2661vec3 decodeRGBP(vec4 raw) {
2662	vec3 color = raw.rgb * (-raw.a * 7.0 + 8.0);
2663	return color * color;
2664}
2665vec3 decodeRGBE(vec4 raw) {
2666	if (raw.a == 0.0) {
2667		return vec3(0.0, 0.0, 0.0);
2668	} else {
2669		return raw.xyz * pow(2.0, raw.w * 255.0 - 128.0);
2670	}
2671}
2672vec4 passThrough(vec4 raw) {
2673	return raw;
2674}
2675vec3 unpackNormalXYZ(vec4 nmap) {
2676	return nmap.xyz * 2.0 - 1.0;
2677}
2678vec3 unpackNormalXY(vec4 nmap) {
2679	vec3 normal;
2680	normal.xy = nmap.wy * 2.0 - 1.0;
2681	normal.z = sqrt(1.0 - clamp(dot(normal.xy, normal.xy), 0.0, 1.0));
2682	return normal;
2683}
2684#endif
2685`,b2=`
2686#ifndef _DETAILMODES_INCLUDED_
2687#define _DETAILMODES_INCLUDED_

2688vec3 detailMode_mul(vec3 c1, vec3 c2) {
2689	return c1 * c2;
2690}
2691vec3 detailMode_add(vec3 c1, vec3 c2) {
2692	return c1 + c2;
2693}
2694vec3 detailMode_screen(vec3 c1, vec3 c2) {
2695	return 1.0 - (1.0 - c1)*(1.0 - c2);
2696}
2697vec3 detailMode_overlay(vec3 c1, vec3 c2) {
2698	return mix(1.0 - 2.0 * (1.0 - c1)*(1.0 - c2), 2.0 * c1 * c2, step(c1, vec3(0.5)));
2699}
2700vec3 detailMode_min(vec3 c1, vec3 c2) {
2701	return min(c1, c2);
2702}
2703vec3 detailMode_max(vec3 c1, vec3 c2) {
2704	return max(c1, c2);
2705}
2706#endif
2707`,A2=`
2708uniform vec3 material_diffuse;
2709#ifdef STD_DIFFUSEDETAIL_TEXTURE
2710	#include "detailModesPS"
2711#endif
2712void getAlbedo() {
2713	dAlbedo = material_diffuse.rgb;
2714	#ifdef STD_DIFFUSE_TEXTURE
2715		vec3 albedoTexture = {STD_DIFFUSE_TEXTURE_DECODE}(texture2DBias({STD_DIFFUSE_TEXTURE_NAME}, {STD_DIFFUSE_TEXTURE_UV}, textureBias)).{STD_DIFFUSE_TEXTURE_CHANNEL};
2716		#ifdef STD_DIFFUSEDETAIL_TEXTURE
2717			vec3 albedoDetail = {STD_DIFFUSEDETAIL_TEXTURE_DECODE}(texture2DBias({STD_DIFFUSEDETAIL_TEXTURE_NAME}, {STD_DIFFUSEDETAIL_TEXTURE_UV}, textureBias)).{STD_DIFFUSEDETAIL_TEXTURE_CHANNEL};
2718			albedoTexture = detailMode_{STD_DIFFUSEDETAIL_DETAILMODE}(albedoTexture, albedoDetail);
2719		#endif
2720		dAlbedo *= albedoTexture;
2721	#endif
2722	#ifdef STD_DIFFUSE_VERTEX
2723		dAlbedo *= saturate(vVertexColor.{STD_DIFFUSE_VERTEX_CHANNEL});
2724	#endif
2725}
2726`,P2=`
2727uniform vec3 material_emissive;
2728uniform float material_emissiveIntensity;
2729void getEmission() {
2730	dEmission = material_emissive * material_emissiveIntensity;
2731	#ifdef STD_EMISSIVE_TEXTURE
2732	dEmission *= {STD_EMISSIVE_TEXTURE_DECODE}(texture2DBias({STD_EMISSIVE_TEXTURE_NAME}, {STD_EMISSIVE_TEXTURE_UV}, textureBias)).{STD_EMISSIVE_TEXTURE_CHANNEL};
2733	#endif
2734	#ifdef STD_EMISSIVE_VERTEX
2735	dEmission *= saturate(vVertexColor.{STD_EMISSIVE_VERTEX_CHANNEL});
2736	#endif
2737}
2738`,I2=`
2739vec4 encodeLinear(vec3 source) {
2740	return vec4(source, 1.0);
2741}
2742vec4 encodeGamma(vec3 source) {
2743	return vec4(pow(source + 0.0000001, vec3(1.0 / 2.2)), 1.0);
2744}
2745vec4 encodeRGBM(vec3 source) {
2746	vec4 result;
2747	result.rgb = pow(source.rgb, vec3(0.5));
2748	result.rgb *= 1.0 / 8.0;
2749	result.a = saturate( max( max( result.r, result.g ), max( result.b, 1.0 / 255.0 ) ) );
2750	result.a = ceil(result.a * 255.0) / 255.0;
2751	result.rgb /= result.a;
2752	return result;
2753}
2754vec4 encodeRGBP(vec3 source) {
2755	vec3 gamma = pow(source, vec3(0.5));
2756	float maxVal = min(8.0, max(1.0, max(gamma.x, max(gamma.y, gamma.z))));
2757	float v = 1.0 - ((maxVal - 1.0) / 7.0);
2758	v = ceil(v * 255.0) / 255.0;
2759	return vec4(gamma / (-v * 7.0 + 8.0), v);	
2760}
2761vec4 encodeRGBE(vec3 source) {
2762	float maxVal = max(source.x, max(source.y, source.z));
2763	if (maxVal < 1e-32) {
2764		return vec4(0, 0, 0, 0);
2765	} else {
2766		float e = ceil(log2(maxVal));
2767		return vec4(source / pow(2.0, e), (e + 128.0) / 255.0);
2768	}
2769}
2770`,D2=`
2771	gl_FragColor.rgb = combineColor(litArgs_albedo, litArgs_sheen_specularity, litArgs_clearcoat_specularity);
2772	gl_FragColor.rgb += litArgs_emission;
2773	gl_FragColor.rgb = addFog(gl_FragColor.rgb);
2774	gl_FragColor.rgb = toneMap(gl_FragColor.rgb);
2775	gl_FragColor.rgb = gammaCorrectOutput(gl_FragColor.rgb);
2776`,M2=`
2777#ifndef _ENVATLAS_INCLUDED_
2778#define _ENVATLAS_INCLUDED_
2779const float atlasSize = 512.0;
2780const float seamSize = 1.0 / atlasSize;
2781vec2 mapUv(vec2 uv, vec4 rect) {
2782	return vec2(mix(rect.x + seamSize, rect.x + rect.z - seamSize, uv.x),
2783				mix(rect.y + seamSize, rect.y + rect.w - seamSize, uv.y));
2784}
2785vec2 mapRoughnessUv(vec2 uv, float level) {
2786	float t = 1.0 / exp2(level);
2787	return mapUv(uv, vec4(0, 1.0 - t, t, t * 0.5));
2788}
2789vec2 mapShinyUv(vec2 uv, float level) {
2790	float t = 1.0 / exp2(level);
2791	return mapUv(uv, vec4(1.0 - t, 1.0 - t, t, t * 0.5));
2792}
2793#endif
2794`,R2=`
2795#ifdef LIT_SKYBOX_INTENSITY
2796	uniform float skyboxIntensity;
2797#endif
2798vec3 processEnvironment(vec3 color) {
2799	#ifdef LIT_SKYBOX_INTENSITY
2800		return color * skyboxIntensity;
2801	#else
2802		return color;
2803	#endif
2804}
2805`,L2=`
2806float getFalloffWindow(float lightRadius, vec3 lightDir) {
2807	float sqrDist = dot(lightDir, lightDir);
2808	float invRadius = 1.0 / lightRadius;
2809	return square(saturate(1.0 - square(sqrDist * square(invRadius))));
2810}
2811float getFalloffInvSquared(float lightRadius, vec3 lightDir) {
2812	float sqrDist = dot(lightDir, lightDir);
2813	float falloff = 1.0 / (sqrDist + 1.0);
2814	float invRadius = 1.0 / lightRadius;
2815	falloff *= 16.0;

2816	falloff *= square(saturate(1.0 - square(sqrDist * square(invRadius))));
2817	return falloff;
2818}
2819`,F2=`
2820float getFalloffLinear(float lightRadius, vec3 lightDir) {
2821	float d = length(lightDir);
2822	return max(((lightRadius - d) / lightRadius), 0.0);
2823}
2824`,O2=`
2825#ifndef FLOAT_AS_UINT
2826#define FLOAT_AS_UINT
2827vec4 float2uint(float value) {
2828	uint intBits = floatBitsToUint(value);
2829	return vec4(
2830		float((intBits >> 24u) & 0xFFu) / 255.0,
2831		float((intBits >> 16u) & 0xFFu) / 255.0,
2832		float((intBits >> 8u) & 0xFFu) / 255.0,
2833		float(intBits & 0xFFu) / 255.0
2834	);
2835}
2836float uint2float(vec4 value) {
2837	uint intBits = 
2838		(uint(value.r * 255.0) << 24u) |
2839		(uint(value.g * 255.0) << 16u) |
2840		(uint(value.b * 255.0) << 8u) |
2841		uint(value.a * 255.0);
2842	return uintBitsToFloat(intBits);
2843}
2844vec4 float2vec4(float value) {
2845	#if defined(CAPS_TEXTURE_FLOAT_RENDERABLE)
2846		return vec4(value, 1.0, 1.0, 1.0);
2847	#else
2848		return float2uint(value);
2849	#endif
2850}
2851#endif
2852`,B2=`
2853float dBlendModeFogFactor = 1.0;
2854#if (FOG != NONE)
2855	uniform vec3 fog_color;
2856	#if (FOG == LINEAR)
2857		uniform float fog_start;
2858		uniform float fog_end;
2859	#else
2860		uniform float fog_density;
2861	#endif
2862#endif
2863#ifdef VERTEXSHADER
2864	float getFogFactor(float depth) {
2865#else
2866	float getFogFactor() {
2867		float depth = gl_FragCoord.z / gl_FragCoord.w;
2868#endif
2869	float fogFactor = 0.0;
2870	#if (FOG == LINEAR)
2871		fogFactor = (fog_end - depth) / (fog_end - fog_start);
2872	#elif (FOG == EXP)
2873		fogFactor = exp(-depth * fog_density);
2874	#elif (FOG == EXP2)
2875		fogFactor = exp(-depth * depth * fog_density * fog_density);
2876	#endif
2877	return clamp(fogFactor, 0.0, 1.0);
2878}
2879#ifdef VERTEXSHADER
2880	vec3 addFog(vec3 color, float depth) {
2881		#if (FOG != NONE)
2882			return mix(fog_color * dBlendModeFogFactor, color, getFogFactor(depth));
2883		#endif
2884		return color;
2885	}
2886#else
2887	vec3 addFog(vec3 color) {
2888		#if (FOG != NONE)
2889			return mix(fog_color * dBlendModeFogFactor, color, getFogFactor());
2890		#endif
2891		return color;
2892	}
2893#endif
2894`,N2=`
2895float pow5(float x) {
2896	float x2 = x * x;
2897	return x2 * x2 * x;
2898}
2899vec3 getFresnel(
2900		float cosTheta, 
2901		float gloss, 
2902		vec3 specularity
2903#if defined(LIT_IRIDESCENCE)
2904		, vec3 iridescenceFresnel, 
2905		float iridescenceIntensity
2906#endif
2907	) {
2908	float fresnel = pow5(1.0 - saturate(cosTheta));
2909	float glossSq = gloss * gloss;
2910	float specIntensity = max(specularity.r, max(specularity.g, specularity.b));
2911	vec3 ret = specularity + (max(vec3(glossSq * specIntensity), specularity) - specularity) * fresnel;
2912#if defined(LIT_IRIDESCENCE)
2913	return mix(ret, iridescenceFresnel, iridescenceIntensity);
2914#else
2915	return ret;
2916#endif	
2917}
2918float getFresnelCC(float cosTheta) {
2919	float fresnel = pow5(1.0 - saturate(cosTheta));
2920	return 0.04 + (1.0 - 0.04) * fresnel;
2921}
2922`,k2=`
2923attribute vec2 vertex_position;
2924varying vec2 vUv0;
2925void main(void)
2926{
2927	gl_Position = vec4(vertex_position, 0.5, 1.0);
2928	vUv0 = vertex_position.xy * 0.5 + 0.5;
2929}
2930`,U2=`
2931#include "decodePS"
2932#if (GAMMA == SRGB)
2933	float gammaCorrectInput(float color) {
2934		return decodeGamma(color);
2935	}
2936	vec3 gammaCorrectInput(vec3 color) {
2937		return decodeGamma(color);
2938	}
2939	vec4 gammaCorrectInput(vec4 color) {
2940		return vec4(decodeGamma(color.xyz), color.w);
2941	}
2942	vec3 gammaCorrectOutput(vec3 color) {
2943		return pow(color + 0.0000001, vec3(1.0 / 2.2));
2944	}
2945#else
2946	float gammaCorrectInput(float color) {
2947		return color;
2948	}
2949	vec3 gammaCorrectInput(vec3 color) {
2950		return color;
2951	}
2952	vec4 gammaCorrectInput(vec4 color) {
2953		return color;
2954	}
2955	vec3 gammaCorrectOutput(vec3 color) {
2956		return color;
2957	}
2958#endif
2959`,z2=`
2960#ifdef STD_GLOSS_CONSTANT
2961uniform float material_gloss;
2962#endif
2963void getGlossiness() {
2964	dGlossiness = 1.0;
2965	#ifdef STD_GLOSS_CONSTANT
2966	dGlossiness *= material_gloss;
2967	#endif
2968	#ifdef STD_GLOSS_TEXTURE
2969	dGlossiness *= texture2DBias({STD_GLOSS_TEXTURE_NAME}, {STD_GLOSS_TEXTURE_UV}, textureBias).{STD_GLOSS_TEXTURE_CHANNEL};
2970	#endif
2971	#ifdef STD_GLOSS_VERTEX
2972	dGlossiness *= saturate(vVertexColor.{STD_GLOSS_VERTEX_CHANNEL});
2973	#endif
2974	#ifdef STD_GLOSS_INVERT
2975	dGlossiness = 1.0 - dGlossiness;
2976	#endif
2977	dGlossiness += 0.0000001;
2978}
2979`,V2=`
2980	attribute vec2 aPosition;
2981	varying vec2 uv0;
2982	void main(void)
2983	{
2984		gl_Position = vec4(aPosition, 0.0, 1.0);

2985		uv0 = getImageEffectUV((aPosition.xy + 1.0) * 0.5);
2986	}
2987`,G2=`
2988		#include "gammaPS"
2989		varying vec4 color;
2990		void main(void) {
2991			gl_FragColor = vec4(gammaCorrectOutput(decodeGamma(color.rgb)), color.a);
2992		}
2993`,H2=`
2994	attribute vec4 vertex_position;
2995	attribute vec4 vertex_color;
2996	uniform mat4 matrix_model;
2997	uniform mat4 matrix_viewProjection;
2998	varying vec4 color;
2999	void main(void) {
3000		color = vertex_color;
3001		gl_Position = matrix_viewProjection * matrix_model * vertex_position;
3002	}
3003`,W2=`
3004uniform float material_iridescenceRefractionIndex;
3005float iridescence_iorToFresnel(float transmittedIor, float incidentIor) {
3006	return pow((transmittedIor - incidentIor) / (transmittedIor + incidentIor), 2.0);
3007}
3008vec3 iridescence_iorToFresnel(vec3 transmittedIor, float incidentIor) {
3009	return pow((transmittedIor - vec3(incidentIor)) / (transmittedIor + vec3(incidentIor)), vec3(2.0));
3010}
3011vec3 iridescence_fresnelToIor(vec3 f0) {
3012	vec3 sqrtF0 = sqrt(f0);
3013	return (vec3(1.0) + sqrtF0) / (vec3(1.0) - sqrtF0);
3014}
3015vec3 iridescence_sensitivity(float opd, vec3 shift) {
3016	float PI = 3.141592653589793;
3017	float phase = 2.0 * PI * opd * 1.0e-9;
3018	const vec3 val = vec3(5.4856e-13, 4.4201e-13, 5.2481e-13);
3019	const vec3 pos = vec3(1.6810e+06, 1.7953e+06, 2.2084e+06);
3020	const vec3 var = vec3(4.3278e+09, 9.3046e+09, 6.6121e+09);
3021	vec3 xyz = val * sqrt(2.0 * PI * var) * cos(pos * phase + shift) * exp(-pow(phase, 2.0) * var);
3022	xyz.x += 9.7470e-14 * sqrt(2.0 * PI * 4.5282e+09) * cos(2.2399e+06 * phase + shift[0]) * exp(-4.5282e+09 * pow(phase, 2.0));
3023	xyz /= vec3(1.0685e-07);
3024	const mat3 XYZ_TO_REC709 = mat3(
3025		3.2404542, -0.9692660,  0.0556434,
3026	   -1.5371385,  1.8760108, -0.2040259,
3027	   -0.4985314,  0.0415560,  1.0572252
3028	);
3029	return XYZ_TO_REC709 * xyz;
3030}
3031float iridescence_fresnel(float cosTheta, float f0) {
3032	float x = clamp(1.0 - cosTheta, 0.0, 1.0);
3033	float x2 = x * x;
3034	float x5 = x * x2 * x2;
3035	return f0 + (1.0 - f0) * x5;
3036} 
3037vec3 iridescence_fresnel(float cosTheta, vec3 f0) {
3038	float x = clamp(1.0 - cosTheta, 0.0, 1.0);
3039	float x2 = x * x;
3040	float x5 = x * x2 * x2; 
3041	return f0 + (vec3(1.0) - f0) * x5;
3042}
3043vec3 calcIridescence(float outsideIor, float cosTheta, vec3 base_f0, float iridescenceThickness) {
3044	float PI = 3.141592653589793;
3045	float iridescenceIor = mix(outsideIor, material_iridescenceRefractionIndex, smoothstep(0.0, 0.03, iridescenceThickness));
3046	float sinTheta2Sq = pow(outsideIor / iridescenceIor, 2.0) * (1.0 - pow(cosTheta, 2.0));
3047	float cosTheta2Sq = 1.0 - sinTheta2Sq;
3048	if (cosTheta2Sq < 0.0) {
3049		return vec3(1.0);
3050	}
3051	float cosTheta2 = sqrt(cosTheta2Sq);
3052	float r0 = iridescence_iorToFresnel(iridescenceIor, outsideIor);
3053	float r12 = iridescence_fresnel(cosTheta, r0);
3054	float r21 = r12;
3055	float t121 = 1.0 - r12;
3056	float phi12 = iridescenceIor < outsideIor ? PI : 0.0;
3057	float phi21 = PI - phi12;
3058	vec3 baseIor = iridescence_fresnelToIor(base_f0 + vec3(0.0001));
3059	vec3 r1 = iridescence_iorToFresnel(baseIor, iridescenceIor);
3060	vec3 r23 = iridescence_fresnel(cosTheta2, r1);
3061	vec3 phi23 = vec3(0.0);
3062	if (baseIor[0] < iridescenceIor) phi23[0] = PI;
3063	if (baseIor[1] < iridescenceIor) phi23[1] = PI;
3064	if (baseIor[2] < iridescenceIor) phi23[2] = PI;
3065	float opd = 2.0 * iridescenceIor * iridescenceThickness * cosTheta2;
3066	vec3 phi = vec3(phi21) + phi23; 
3067	vec3 r123Sq = clamp(r12 * r23, 1e-5, 0.9999);
3068	vec3 r123 = sqrt(r123Sq);
3069	vec3 rs = pow(t121, 2.0) * r23 / (1.0 - r123Sq);
3070	vec3 c0 = r12 + rs;
3071	vec3 i = c0;
3072	vec3 cm = rs - t121;
3073	for (int m = 1; m <= 2; m++) {
3074		cm *= r123;
3075		vec3 sm = 2.0 * iridescence_sensitivity(float(m) * opd, float(m) * phi);
3076		i += cm * sm;
3077	}
3078	return max(i, vec3(0.0));
3079}
3080vec3 getIridescence(float cosTheta, vec3 specularity, float iridescenceThickness) {
3081	return calcIridescence(1.0, cosTheta, specularity, iridescenceThickness);
3082}
3083`,X2=`
3084#ifdef STD_IRIDESCENCE_CONSTANT
3085uniform float material_iridescence;
3086#endif
3087void getIridescence() {
3088	float iridescence = 1.0;
3089	#ifdef STD_IRIDESCENCE_CONSTANT
3090	iridescence *= material_iridescence;
3091	#endif
3092	#ifdef STD_IRIDESCENCE_TEXTURE
3093	iridescence *= texture2DBias({STD_IRIDESCENCE_TEXTURE_NAME}, {STD_IRIDESCENCE_TEXTURE_UV}, textureBias).{STD_IRIDESCENCE_TEXTURE_CHANNEL};
3094	#endif
3095	dIridescence = iridescence; 
3096}
3097`,Y2=`
3098uniform float material_iridescenceThicknessMax;
3099#ifdef STD_IRIDESCENCETHICKNESS_TEXTURE
3100uniform float material_iridescenceThicknessMin;
3101#endif
3102void getIridescenceThickness() {
3103	#ifdef STD_IRIDESCENCETHICKNESS_TEXTURE
3104		float blend = texture2DBias({STD_IRIDESCENCETHICKNESS_TEXTURE_NAME}, {STD_IRIDESCENCETHICKNESS_TEXTURE_UV}, textureBias).{STD_IRIDESCENCETHICKNESS_TEXTURE_CHANNEL};
3105		float iridescenceThickness = mix(material_iridescenceThicknessMin, material_iridescenceThicknessMax, blend);
3106	#else
3107		float iridescenceThickness = material_iridescenceThicknessMax;
3108	#endif
3109	dIridescenceThickness = iridescenceThickness; 
3110}
3111`,j2=`
3112#ifdef STD_IOR_CONSTANT
3113uniform float material_refractionIndex;
3114#endif
3115void getIor() {
3116#ifdef STD_IOR_CONSTANT
3117	dIor = material_refractionIndex;
3118#else
3119	dIor = 1.0 / 1.5;
3120#endif
3121}
3122`,q2=`
3123#if defined(LIGHT{i})
3124	uniform vec3 light{i}_color;
3125	#if LIGHT{i}TYPE == DIRECTIONAL
3126		uniform vec3 light{i}_direction;
3127	#else
3128		#define LIT_CODE_LIGHTS_POINT
3129		uniform vec3 light{i}_position;
3130		uniform float light{i}_radius;
3131		#if LIGHT{i}TYPE == SPOT
3132			#define LIT_CODE_LIGHTS_SPOT
3133			uniform vec3 light{i}_direction;
3134			uniform float light{i}_innerConeAngle;
3135			uniform float light{i}_outerConeAngle;
3136		#endif
3137	#endif
3138	#if LIGHT{i}SHAPE != PUNCTUAL
3139		#define LIT_CODE_FALLOFF_SQUARED
3140		#if LIGHT{i}TYPE == DIRECTIONAL
3141			uniform vec3 light{i}_position;
3142		#endif
3143		uniform vec3 light{i}_halfWidth;
3144		uniform vec3 light{i}_halfHeight;
3145	#else
3146		#if LIGHT{i}FALLOFF == LINEAR
3147			#define LIT_CODE_FALLOFF_LINEAR
3148		#endif
3149		#if LIGHT{i}FALLOFF == INVERSESQUARED
3150			#define LIT_CODE_FALLOFF_SQUARED
3151		#endif
3152	#endif
3153	#if defined(LIGHT{i}

3153CASTSHADOW)
3154		#if LIGHT{i}TYPE != OMNI
3155			uniform mat4 light{i}_shadowMatrix;
3156		#endif
3157		uniform float light{i}_shadowIntensity;
3158		uniform vec4 light{i}_shadowParams;
3159		#if LIGHT{i}SHADOWTYPE == PCSS_32F
3160			uniform float light{i}_shadowSearchArea;
3161			uniform vec4 light{i}_cameraParams;
3162			#if LIGHT{i}TYPE == DIRECTIONAL
3163				uniform vec4 light{i}_softShadowParams;
3164			#endif
3165		#endif
3166		#if LIGHT{i}TYPE == DIRECTIONAL
3167			uniform mat4 light{i}_shadowMatrixPalette[4];
3168			uniform vec4 light{i}_shadowCascadeDistances;
3169			uniform int light{i}_shadowCascadeCount;
3170			uniform float light{i}_shadowCascadeBlend;
3171		#endif
3172		#if LIGHT{i}TYPE == OMNI
3173			#if defined(LIGHT{i}SHADOW_PCF)
3174				uniform samplerCubeShadow light{i}_shadowMap;
3175			#else
3176				uniform samplerCube light{i}_shadowMap;
3177			#endif
3178		#else
3179			#if defined(LIGHT{i}SHADOW_PCF)
3180				uniform sampler2DShadow light{i}_shadowMap;
3181			#else
3182				uniform sampler2D light{i}_shadowMap;
3183			#endif
3184		#endif
3185	#endif
3186	#if defined(LIGHT{i}COOKIE)
3187		#define LIT_CODE_COOKIE
3188		#if LIGHT{i}TYPE == OMNI
3189			uniform samplerCube light{i}_cookie;
3190			uniform float light{i}_cookieIntensity;
3191			uniform mat4 light{i}_shadowMatrix;
3192		#endif
3193		#if LIGHT{i}TYPE == SPOT
3194			uniform sampler2D light{i}_cookie;
3195			uniform float light{i}_cookieIntensity;
3196			#if !defined(LIGHT{i}CASTSHADOW)
3197				uniform mat4 light{i}_shadowMatrix;
3198			#endif
3199			#if defined(LIGHT{i}COOKIE_TRANSFORM)
3200				uniform vec4 light{i}_cookieMatrix;
3201				uniform vec2 light{i}_cookieOffset;
3202			#endif
3203		#endif
3204	#endif
3205#endif
3206`,$2=`
3207float getLightDiffuse(vec3 worldNormal, vec3 viewDir, vec3 lightDirNorm) {
3208	return max(dot(worldNormal, -lightDirNorm), 0.0);
3209}
3210`,K2=`
3211vec3 evalOmniLight(vec3 lightPosW) {
3212	return vPositionW - lightPosW;
3213}
3214`,Z2=`
3215#if defined(LIGHT{i})
3216	evaluateLight{i}(
3217		#if defined(LIT_IRIDESCENCE)
3218			iridescenceFresnel
3219		#endif
3220	);
3221#endif
3222`,Q2=`
3223#if defined(LIGHT{i})
3224void evaluateLight{i}(
3225	#if defined(LIT_IRIDESCENCE)
3226		vec3 iridescenceFresnel
3227	#endif
3228) {
3229	vec3 lightColor = light{i}_color;
3230	#if LIGHT{i}TYPE == DIRECTIONAL && !defined(LIT_SHADOW_CATCHER)
3231		if (all(equal(lightColor, vec3(0.0)))) {
3232			return;
3233		}
3234	#endif
3235	#if LIGHT{i}TYPE == DIRECTIONAL
3236		dLightDirNormW = light{i}_direction;
3237		dAtten = 1.0;
3238	#else
3239		
3240		vec3 lightDirW = evalOmniLight(light{i}_position);
3241		dLightDirNormW = normalize(lightDirW);
3242		#if defined(LIGHT{i}COOKIE)
3243			#if LIGHT{i}TYPE == SPOT
3244				#ifdef LIGHT{i}COOKIE_FALLOFF
3245					#ifdef LIGHT{i}COOKIE_TRANSFORM
3246						vec3 cookieAttenuation = getCookie2DXform(light{i}_cookie, light{i}_shadowMatrix, light{i}_cookieIntensity, light{i}_cookieMatrix, light{i}_cookieOffset).{LIGHT{i}COOKIE_CHANNEL};
3247					#else
3248						vec3 cookieAttenuation = getCookie2D(light{i}_cookie, light{i}_shadowMatrix, light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
3249					#endif
3250				#else
3251					#ifdef LIGHT{i}COOKIE_TRANSFORM
3252						vec3 cookieAttenuation = getCookie2DClipXform(light{i}_cookie, light{i}_shadowMatrix, light{i}_cookieIntensity, light{i}_cookieMatrix, light{i}_cookieOffset).{LIGHT{i}COOKIE_CHANNEL};
3253					#else
3254						vec3 cookieAttenuation = getCookie2DClip(light{i}_cookie, light{i}_shadowMatrix, light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
3255					#endif
3256				#endif
3257			#endif
3258			#if LIGHT{i}TYPE == OMNI
3259				vec3 cookieAttenuation = getCookieCube(light{i}_cookie, light{i}_shadowMatrix, light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
3260			#endif
3261			lightColor *= cookieAttenuation;
3262		#endif
3263		#if LIGHT{i}SHAPE == PUNCTUAL
3264			#if LIGHT{i}FALLOFF == LINEAR
3265				dAtten = getFalloffLinear(light{i}_radius, lightDirW);
3266			#else
3267				dAtten = getFalloffInvSquared(light{i}_radius, lightDirW);
3268			#endif
3269		#else
3270			dAtten = getFalloffWindow(light{i}_radius, lightDirW);
3271		#endif
3272		#if LIGHT{i}TYPE == SPOT
3273			#if !defined(LIGHT{i}COOKIE) || defined(LIGHT{i}COOKIE_FALLOFF)
3274				dAtten *= getSpotEffect(light{i}_direction, light{i}_innerConeAngle, light{i}_outerConeAngle, dLightDirNormW);
3275			#endif
3276		#endif
3277	#endif
3278	if (dAtten < 0.00001) {
3279		return;
3280	}
3281	#if LIGHT{i}SHAPE != PUNCTUAL
3282		#if LIGHT{i}SHAPE == RECT
3283			calcRectLightValues(light{i}_position, light{i}_halfWidth, light{i}_halfHeight);
3284		#elif LIGHT{i}SHAPE == DISK
3285			calcDiskLightValues(light{i}_position, light{i}_halfWidth, light{i}_halfHeight);
3286		#elif LIGHT{i}SHAPE == SPHERE
3287			calcSphereLightValues(light{i}_position, light{i}_halfWidth, light{i}_halfHeight);
3288		#endif
3289	#endif
3290	#if LIGHT{i}SHAPE != PUNCTUAL
3291		#if LIGHT{i}TYPE == DIRECTIONAL
3292			float attenDiffuse = getLightDiffuse(litArgs_worldNormal, dViewDirW, dLightDirNormW);
3293		#else
3294			#if LIGHT{i}SHAPE == RECT
3295				float attenDiffuse = getRectLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
3296			#elif LIGHT{i}SHAPE == DISK
3297				float attenDiffuse = getDiskLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
3298			#elif LIGHT{i}SHAPE == SPHERE
3299				float attenDiffuse = getSphereLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
3300			#endif
3301		#endif
3302	#else
3303		dAtten *= getLightDiffuse(litArgs_worldNormal, vec3(0.0), dLightDirNormW);
3304	#endif
3305	#ifdef LIGHT{i}

3305CASTSHADOW
3306		#if LIGHT{i}TYPE == DIRECTIONAL
3307			float shadow = getShadow{i}(vec3(0.0));
3308		#else
3309			float shadow = getShadow{i}(lightDirW);
3310		#endif
3311		shadow = mix(1.0, shadow, light{i}_shadowIntensity);
3312		dAtten *= shadow;
3313		#if defined(LIT_SHADOW_CATCHER) && LIGHT{i}TYPE == DIRECTIONAL
3314			dShadowCatcher *= shadow;
3315		#endif			
3316	#endif
3317	#if LIGHT{i}SHAPE != PUNCTUAL
3318		#ifdef LIT_SPECULAR
3319			dDiffuseLight += ((attenDiffuse * dAtten) * lightColor) * (1.0 - dLTCSpecFres);
3320		#else
3321			dDiffuseLight += (attenDiffuse * dAtten) * lightColor;
3322		#endif						
3323	#else
3324		#if defined(AREA_LIGHTS) && defined(LIT_SPECULAR)
3325			dDiffuseLight += (dAtten * lightColor) * (1.0 - litArgs_specularity);
3326		#else
3327			dDiffuseLight += dAtten * lightColor;
3328		#endif
3329	#endif
3330	#ifdef LIGHT{i}AFFECT_SPECULARITY
3331		#if LIGHT{i}SHAPE != PUNCTUAL
3332			#ifdef LIT_CLEARCOAT
3333				#if LIGHT{i}SHAPE == RECT
3334					ccSpecularLight += ccLTCSpecFres * getRectLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor;
3335				#elif LIGHT{i}SHAPE == DISK
3336					ccSpecularLight += ccLTCSpecFres * getDiskLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor;
3337				#elif LIGHT{i}SHAPE == SPHERE
3338					ccSpecularLight += ccLTCSpecFres * getSphereLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor;
3339				#endif
3340			#endif
3341			#ifdef LIT_SPECULAR
3342				#if LIGHT{i}SHAPE == RECT
3343					dSpecularLight += dLTCSpecFres * getRectLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor;
3344				#elif LIGHT{i}SHAPE == DISK
3345					dSpecularLight += dLTCSpecFres * getDiskLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor;
3346				#elif LIGHT{i}SHAPE == SPHERE
3347					dSpecularLight += dLTCSpecFres * getSphereLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor;
3348				#endif
3349			#endif
3350		#else
3351			#if LIGHT{i}TYPE == DIRECTIONAL && LIT_FRESNEL_MODEL != NONE
3352				#define LIGHT{i}FRESNEL
3353			#endif
3354			#ifdef LIT_SPECULAR
3355				vec3 halfDirW = normalize(-dLightDirNormW + dViewDirW);
3356			#endif
3357			#ifdef LIT_CLEARCOAT
3358				vec3 lightspecularCC = getLightSpecular(halfDirW, ccReflDirW, litArgs_clearcoat_worldNormal, dViewDirW, dLightDirNormW, litArgs_clearcoat_gloss, dTBN) * dAtten * lightColor;
3359				#ifdef LIGHT{i}FRESNEL
3360					lightspecularCC *= getFresnelCC(dot(dViewDirW, halfDirW));
3361				#endif
3362				ccSpecularLight += lightspecularCC;
3363			#endif
3364			#ifdef LIT_SHEEN
3365				sSpecularLight += getLightSpecularSheen(halfDirW, litArgs_worldNormal, dViewDirW, dLightDirNormW, litArgs_sheen_gloss) * dAtten * lightColor;
3366			#endif
3367			#ifdef LIT_SPECULAR
3368				vec3 lightSpecular = getLightSpecular(halfDirW, dReflDirW, litArgs_worldNormal, dViewDirW, dLightDirNormW, litArgs_gloss, dTBN) * dAtten * lightColor;
3369				#ifdef LIGHT{i}FRESNEL
3370					#if defined(LIT_IRIDESCENCE)

3371						lightSpecular *= getFresnel(dot(dViewDirW, halfDirW), litArgs_gloss, litArgs_specularity, iridescenceFresnel, litArgs_iridescence_intensity);
3372					#else
3373						lightSpecular *= getFresnel(dot(dViewDirW, halfDirW), litArgs_gloss, litArgs_specularity);
3374					#endif
3375				#else
3376					lightSpecular *= litArgs_specularity;
3377				#endif
3378				
3379				dSpecularLight += lightSpecular;
3380			#endif
3381		#endif
3382	#endif
3383}
3384#endif
3385`,J2=`
3386#ifdef LIGHT{i}CASTSHADOW
3387	#ifdef LIGHT{i}_SHADOW_SAMPLE_POINT
3388		vec3 getShadowSampleCoordOmni{i}(vec4 shadowParams, vec3 worldPosition, vec3 lightPos, inout vec3 lightDir, vec3 lightDirNorm, vec3 normal) {
3389			#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
3390				float distScale = length(lightDir);
3391				vec3 surfacePosition = worldPosition + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
3392				lightDir = surfacePosition - lightPos;
3393			#endif
3394			return lightDir;
3395		}
3396	#endif
3397	#ifndef LIGHT{i}_SHADOW_SAMPLE_POINT
3398		vec3 getShadowSampleCoord{i}(mat4 shadowTransform, vec4 shadowParams, vec3 worldPosition, vec3 lightPos, inout vec3 lightDir, vec3 lightDirNorm, vec3 normal) {
3399			vec3 surfacePosition = worldPosition;
3400			#ifdef LIGHT{i}_SHADOW_SAMPLE_SOURCE_ZBUFFER
3401				#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
3402					surfacePosition = surfacePosition + normal * shadowParams.y;
3403				#endif
3404			#else
3405				#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
3406					#ifdef LIGHT{i}_SHADOW_SAMPLE_ORTHO
3407						float distScale = 1.0;
3408					#else
3409						float distScale = abs(dot(vPositionW - lightPos, lightDirNorm));
3410					#endif
3411					surfacePosition = surfacePosition + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
3412				#endif
3413			#endif
3414			vec4 positionInShadowSpace = shadowTransform * vec4(surfacePosition, 1.0

3414);
3415			#ifdef LIGHT{i}_SHADOW_SAMPLE_ORTHO
3416				positionInShadowSpace.z = saturate(positionInShadowSpace.z) - 0.0001;
3417			#else
3418				#ifdef LIGHT{i}_SHADOW_SAMPLE_SOURCE_ZBUFFER
3419					positionInShadowSpace.xyz /= positionInShadowSpace.w;
3420				#else
3421					positionInShadowSpace.xy /= positionInShadowSpace.w;
3422					positionInShadowSpace.z = length(lightDir) * shadowParams.w;
3423				#endif
3424			#endif
3425			return positionInShadowSpace.xyz;
3426		}
3427	#endif
3428	float getShadow{i}(vec3 lightDirW) {
3429		#if LIGHT{i}TYPE == OMNI
3430			vec3 shadowCoord = getShadowSampleCoordOmni{i}(light{i}_shadowParams, vPositionW, light{i}_position, lightDirW, dLightDirNormW, dVertexNormalW);
3431		#else
3432			#ifdef LIGHT{i}_SHADOW_CASCADES
3433				int cascadeIndex = getShadowCascadeIndex(light{i}_shadowCascadeDistances, light{i}_shadowCascadeCount);
3434				#ifdef LIGHT{i}_SHADOW_CASCADE_BLEND
3435					cascadeIndex = ditherShadowCascadeIndex(cascadeIndex, light{i}_shadowCascadeDistances, light{i}_shadowCascadeCount, light{i}_shadowCascadeBlend);
3436				#endif
3437				mat4 shadowMatrix = light{i}_shadowMatrixPalette[cascadeIndex];
3438			#else
3439				mat4 shadowMatrix = light{i}_shadowMatrix;
3440			#endif
3441			#if LIGHT{i}TYPE == DIRECTIONAL
3442				vec3 shadowCoord = getShadowSampleCoord{i}(shadowMatrix, light{i}_shadowParams, vPositionW, vec3(0.0), lightDirW, dLightDirNormW, dVertexNormalW);
3443			#else
3444				vec3 shadowCoord = getShadowSampleCoord{i}(shadowMatrix, light{i}_shadowParams, vPositionW, light{i}_position, lightDirW, dLightDirNormW, dVertexNormalW);
3445			#endif
3446		#endif
3447		#if LIGHT{i}TYPE == DIRECTIONAL
3448			shadowCoord = fadeShadow(shadowCoord, light{i}_shadowCascadeDistances);
3449		#endif
3450		#if LIGHT{i}TYPE == DIRECTIONAL
3451			#if LIGHT{i}SHADOWTYPE == VSM_16F
3452				return getShadowVSM16(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, 5.54);
3453			#endif
3454			#if LIGHT{i}SHADOWTYPE == VSM_32F
3455				return getShadowVSM32(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, 15.0);
3456			#endif
3457			#if LIGHT{i}SHADOWTYPE == PCSS_32F
3458				#if LIGHT{i}SHAPE != PUNCTUAL
3459					vec2 shadowSearchArea = vec2(length(light{i}_halfWidth), length(light{i}_halfHeight)) * light{i}_shadowSearchArea;
3460					return getShadowPCSS(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, light{i}_cameraParams, shadowSearchArea, lightDirW);
3461				#else
3462					return getShadowPCSS(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, light{i}_cameraParams, light{i}_softShadowParams, lightDirW);
3463				#endif
3464			#endif
3465			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
3466				return getShadowPCF1x1(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3467			#endif
3468			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
3469				return getShadowPCF3x3(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3470			#endif
3471			#if LIGHT{i}SHADOWTYPE == PCF5_16F || LIGHT{i}SHADOWTYPE == PCF5_32F
3472				return getShadowPCF5x5(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3473			#endif
3474		#endif
3475		#if LIGHT{i}TYPE == SPOT
3476			#if LIGHT{i}SHADOWTYPE == VSM_16F
3477				return getShadowSpotVSM16(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, 5.54, lightDirW);
3478			#endif
3479			#if LIGHT{i}SHADOWTYPE == VSM_32F
3480				return getShadowSpotVSM32(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, 15.0, lightDirW);
3481			#endif
3482			#if LIGHT{i}SHADOWTYPE == PCSS_32F
3483				#if LIGHT{i}SHAPE != PUNCTUAL
3484					vec2 shadowSearchArea = vec2(length(light{i}_halfWidth), length(light{i}_halfHeight)) * light{i}_shadowSearchArea;
3485				#else
3486					vec2 shadowSearchArea = vec2(light{i}_shadowSearchArea);
3487				#endif
3488				return getShadowSpotPCSS(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, light{i}_cameraParams, shadowSearchArea, lightDirW);
3489			#endif
3490			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
3491				return getShadowSpotPCF1x1(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3492			#endif
3493			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
3494				return getShadowSpotPCF3x3(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3495			#endif
3496			#if LIGHT{i}SHADOWTYPE == PCF5_16F || LIGHT{i}SHADOWTYPE == PCF5_32F
3497				return getShadowSpotPCF5x5(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams);
3498			#endif
3499		#endif
3500		#if LIGHT{i}TYPE == OMNI
3501			#if LIGHT{i}SHADOWTYPE == PCSS_32F
3502				#if LIGHT{i}SHAPE != PUNCTUAL
3503					vec2 shadowSearchArea = vec2(length(light{i}_halfWidth), length(light{i}_halfHeight)) * light{i}_shadowSearchArea;
3504				#else
3505					vec2 shadowSearchArea = vec2(light{i}_shadowSearchArea);
3506				#endif
3507				return getShadowOmniPCSS(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, light{i}_cameraParams, shadowSearchArea, lightDirW);
3508			#endif
3509			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
3510				return getShadowOmniPCF1x1(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, lightDirW);
3511			#endif
3512			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
3513				return getShadowOmniPCF3x3(SHADOWMAP_PASS(light{i}_shadowMap), shadowCoord, light{i}_shadowParams, lightDirW);
3514			#endif
3515		#endif
3516	}
3517#endif
3518`,eL=`
3519#ifdef LIT_CLUSTERED_LIGHTS
3520	#define LIT_CODE_FALLOFF_LINEAR
3521	#define LIT_CODE_FALLOFF_SQUARED
3522	#define LIT_CODE_LIGHTS_POINT
3523	#define LIT_CODE_LIGHTS_SPOT
3524#endif
3525#ifdef AREA_LIGHTS
3526	uniform highp sampler2D areaLightsLutTex1;
3527	uniform highp sampler2D areaLightsLutTex2;
3528#endif
3529#ifdef LIT_LIGHTING
3530	#include "lightDiffuseLambertPS"
3531	#if defined(AREA_LIGHTS) || defined(LIT_CLUSTERED_AREA_LIGHTS)
3532		#include "ltcPS"
3533	#endif
3534#endif
3535#ifdef SHADOW_DIRECTIONAL
3536	#include "shadowCascadesPS"
3537#endif
3538#if defined(SHADOW_KIND_PCF1)
3539	#include "shadowPCF1PS"
3540#endif
3541#if defined(SHADOW_KIND_PCF3)
3542	#include "shadowPCF3PS"
3543#endif
3544#if defined(SHADOW_KIND_PCF5)
3545	#include "shadowPCF5PS"
3546#endif
3547#if defined(SHADOW_KIND_PCSS)
3548	#include "linearizeDepthPS"
3549	#include "shadowPCSSPS"
3550	#include "shadowSoftPS"
3551#endif
3552#if defined(SHADOW_KIND_VSM)
3553	#include "shadowEVSMPS"
3554#endif
3555#ifdef LIT_CODE_FALLOFF_LINEAR
3556	#include "falloffLinearPS"
3557#endif
3558#ifdef LIT_CODE_FALLOFF_SQUARED
3559	#include "falloffInvSquaredPS"
3560#endif
3561#ifdef LIT_CODE_LIGHTS_POINT
3562	#include "lightDirPointPS"
3563#endif
3564#ifdef LIT_CODE_LIGHTS_SPOT
3565	#include "spotPS"
3566#endif
3567#ifdef LIT_CODE_COOKIE
3568	#include "cookiePS"
3569#endif
3570#ifdef LIT_CLUSTERED_LIGHTS
3571	#include "clusteredLightPS"
3572#endif
3573#ifdef LIGHT_COUNT > 0
3574	#include "lightFunctionShadowPS, LIGHT_COUNT"
3575	#include "lightFunctionLightPS, LIGHT_COUNT"
3576#endif

3577`,tL=`
3578void addLightMap(
3579	vec3 lightmap, 
3580	vec3 dir, 
3581	vec3 worldNormal, 
3582	vec3 viewDir, 
3583	vec3 reflectionDir, 
3584	float gloss, 
3585	vec3 specularity, 
3586	vec3 vertexNormal, 
3587	mat3 tbn
3588#if defined(LIT_IRIDESCENCE)
3589	vec3 iridescenceFresnel, 
3590	float iridescenceIntensity
3591#endif
3592) {
3593	#if defined(LIT_SPECULAR) && defined(LIT_DIR_LIGHTMAP)
3594		if (dot(dir, dir) < 0.0001) {
3595				dDiffuseLight += lightmap;
3596		} else {
3597			float vlight = saturate(dot(dir, -vertexNormal));
3598			float flight = saturate(dot(dir, -worldNormal));
3599			float nlight = (flight / max(vlight, 0.01)) * 0.5;
3600			dDiffuseLight += lightmap * nlight * 2.0;
3601			vec3 halfDir = normalize(-dir + viewDir);
3602			vec3 specularLight = lightmap * getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, dir, gloss, tbn);
3603			#ifdef LIT_SPECULAR_FRESNEL
3604				specularLight *= 
3605					getFresnel(dot(viewDir, halfDir), 
3606					gloss, 
3607					specularity
3608				#if defined(LIT_IRIDESCENCE)
3609					, iridescenceFresnel,
3610					iridescenceIntensity
3611				#endif
3612					);
3613			#endif
3614			dSpecularLight += specularLight;
3615		}
3616	#else
3617		dDiffuseLight += lightmap;
3618	#endif
3619}
3620`,sL=`
3621#ifdef STD_LIGHTMAP_DIR
3622	vec3 dLightmapDir;
3623	uniform sampler2D texture_dirLightMap;
3624#endif
3625void getLightMap() {
3626	dLightmap = vec3(1.0);
3627	#ifdef STD_LIGHT_TEXTURE
3628		dLightmap *= {STD_LIGHT_TEXTURE_DECODE}(texture2DBias({STD_LIGHT_TEXTURE_NAME}, {STD_LIGHT_TEXTURE_UV}, textureBias)).{STD_LIGHT_TEXTURE_CHANNEL};
3629		#ifdef STD_LIGHTMAP_DIR
3630			vec3 dir = texture2DBias(texture_dirLightMap, {STD_LIGHT_TEXTURE_UV}, textureBias).xyz * 2.0 - 1.0;
3631			float dirDot = dot(dir, dir);
3632			dLightmapDir = (dirDot > 0.001) ? dir / sqrt(dirDot) : vec3(0.0);
3633		#endif
3634	#endif
3635	#ifdef STD_LIGHT_VERTEX
3636		dLightmap *= saturate(vVertexColor.{STD_LIGHT_VERTEX_CHANNEL});
3637	#endif
3638}
3639`,iL=`
3640float calcLightSpecular(float gloss, vec3 worldNormal, vec3 viewDir, vec3 h, vec3 lightDirNorm, mat3 tbn) {
3641	float PI = 3.141592653589793;
3642	float roughness = max((1.0 - gloss) * (1.0 - gloss), 0.001);
3643	float alphaRoughness = roughness * roughness;
3644	float anisotropy = dAnisotropy;
3645	vec2 direction = dAnisotropyRotation;
3646	float at = mix(alphaRoughness, 1.0, anisotropy * anisotropy);
3647	float ab = clamp(alphaRoughness, 0.001, 1.0);
3648	vec3 anisotropicT = normalize(tbn * vec3(direction, 0.0));
3649	vec3 anisotropicB = normalize(cross(tbn[2], anisotropicT));
3650	float NoH = dot(worldNormal, h);
3651	float ToH = dot(anisotropicT, h);
3652	float BoH = dot(anisotropicB, h);
3653	float a2 = at * ab;
3654	vec3 v = vec3(ab * ToH, at * BoH, a2 * NoH);
3655	float v2 = dot(v, v);
3656	float w2 = a2 / v2;
3657	float D = a2 * w2 * w2 * (1.0 / PI);
3658	float ToV = dot(anisotropicT, viewDir);
3659	float BoV = dot(anisotropicB, viewDir);
3660	float ToL = dot(anisotropicT, -lightDirNorm);
3661	float BoL = dot(anisotropicB, -lightDirNorm);
3662	float NoV = dot(worldNormal, viewDir);
3663	float NoL = dot(worldNormal, -lightDirNorm);
3664	float lambdaV = NoL * length(vec3(at * ToV, ab * BoV, NoV));
3665	float lambdaL = NoV * length(vec3(at * ToL, ab * BoL, NoL));
3666	float G = 0.5 / (lambdaV + lambdaL);
3667	return D * G;
3668}
3669float getLightSpecular(vec3 h, vec3 reflDir, vec3 worldNormal, vec3 viewDir, vec3 lightDirNorm, float gloss, mat3 tbn) {
3670	return calcLightSpecular(gloss, worldNormal, viewDir, h, lightDirNorm, tbn);
3671}
3672`,rL=`
3673float calcLightSpecular(float gloss, vec3 worldNormal, vec3 viewDir, vec3 h, vec3 lightDirNorm) {
3674	const float PI = 3.141592653589793;
3675	float roughness = max((1.0 - gloss) * (1.0 - gloss), 0.001);
3676	float alpha = roughness * roughness;
3677	float NoH = max(dot(worldNormal, h), 0.0);
3678	float NoV = max(dot(worldNormal, viewDir), 0.0);
3679	float NoL = max(dot(worldNormal, -lightDirNorm), 0.0);
3680	float NoH2 = NoH * NoH;
3681	float denom = NoH2 * (alpha - 1.0) + 1.0;
3682	float D = alpha / (PI * denom * denom);
3683	float alpha2 = alpha * alpha;
3684	float lambdaV = NoL * sqrt(NoV * NoV * (1.0 - alpha2) + alpha2);
3685	float lambdaL = NoV * sqrt(NoL * NoL * (1.0 - alpha2) + alpha2);
3686	float G = 0.5 / max(lambdaV + lambdaL, 0.00001);
3687	return D * G;
3688}
3689float getLightSpecular(vec3 h, vec3 reflDir, vec3 worldNormal, vec3 viewDir, vec3 lightDirNorm, float gloss, mat3 tbn) {
3690	return calcLightSpecular(gloss, worldNormal, viewDir, h, lightDirNorm);
3691}
3692`,aL=`
3693float calcLightSpecular(float gloss, vec3 worldNormal, vec3 h) {
3694	float nh = max( dot( h, worldNormal ), 0.0 );
3695	float specPow = exp2(gloss * 11.0);
3696	specPow = max(specPow, 0.0001);
3697	return pow(nh, specPow) * (specPow + 2.0) / 8.0;
3698}
3699float getLightSpecular(vec3 h, vec3 reflDir, vec3 worldNormal, vec3 viewDir, vec3 lightDirNorm, float gloss, mat3 tbn) {
3700	return calcLightSpecular(gloss, worldNormal, h);
3701}
3702`,nL=`
3703float sheenD(vec3 normal, vec3 h, float roughness) {
3704	const float PI = 3.141592653589793;
3705	float invR = 1.0 / (roughness * roughness);
3706	float cos2h = max(dot(normal, h), 0.0);
3707	cos2h *= cos2h;
3708	float sin2h = max(1.0 - cos2h, 0.0078125);
3709	return (2.0 + invR) * pow(sin2h, invR * 0.5) / (2.0 * PI);
3710}
3711float sheenV(vec3 normal, vec3 viewDir, vec3 light) {
3712	float NoV = max(dot(normal, viewDir), 0.000001);
3713	float NoL = max(dot(normal, light), 0.000001);
3714	return 1.0 / (4.0 * (NoL + NoV - NoL * NoV));
3715}
3716float getLightSpecularSheen(vec3 h, vec3 worldNormal, vec3 viewDir, vec3 lightDirNorm, float sheenGloss) {
3717	float D = sheenD(worldNormal, h, sheenGloss);
3718	float V = sheenV(worldNormal, viewDir, -lightDirNorm);
3719	return D * V;
3720}
3721`,oL=`
3722#ifndef LINEARIZE_DEPTH
3723#define LINEARIZE_DEPTH
3724float linearizeDepthWithParams(float z, vec4 cameraParams) {
3725	if (cameraParams.w == 0.0)
3726		return (cameraParams.z * cameraParams.y) / (cameraParams.y + z * (cameraParams.z - cameraParams.y));
3727	else
3728		return cameraParams.z + z * (cameraParams.y - cameraParams.z);
3729}
3730#ifndef CAMERAPLANES
3731	#define CAMERAPLANES
3732	uniform vec4 camera_params;
3733#endif
3734float linearizeDepth(float z) {
3735	return linearizeDepthWithParams(z, camera_params);
3736}
3737#endif
3738`,lL=`
3739void evaluateBackend() {
3740	#ifdef LIT_SSAO
3741		litArgs_ao *= texture2DLod(ssaoTexture, gl_FragCoord.xy * ssaoTextureSizeInv, 0.0).r;
3742	#endif
3743	#ifdef LIT_NEEDS_NORMAL
3744		#ifdef LIT_SPECULAR
3745			getReflDir(litArgs_worldNormal, dViewDirW, litArgs_gloss, dTBN);
3746		#endif
3747		#ifdef LIT_CLEARCOAT
3748			ccReflDirW = normalize(-reflect(dViewDirW, litArgs_clearcoat_worldNormal));
3749		#endif
3750	#endif
3751	#ifdef LIT_SPECULAR_OR_REFLECTION
3752		#ifdef LIT_METALNESS
3753			float f0 = 1.0 / litArgs_ior;
3754			f0 = (f0 - 1.0) / (f0 + 1.0);
3755			f0 *= f0;
3756			#ifdef LIT_SPECULARITY_FACTOR
3757				litArgs_specularity = getSpecularModulate(litArgs_specularity, litArgs_albedo, litArgs_metalness, f0, litArgs_specularityFactor);
3758			#else
3759				litArgs_specularity = getSpecularModulate(litArgs_specularity, litArgs_albedo, litArgs_metalness, f0, 1.0);
3760			#endif
3761			litArgs_albedo = getAlbedoModulate(litArgs_albedo, litArgs_metalness);
3762		#endif
3763		#ifdef LIT_IRIDESCENCE
3764			vec3 iridescenceFresnel = getIridescence(saturate(dot(dViewDirW, litArgs_worldNormal)), litArgs_specularity, litArgs_iridescence_thickness);
3765		#endif
3766	#endif
3767	#ifdef LIT_ADD_AMBIENT
3768		addAmbient(litArgs_worldNormal);
3769		#ifdef LIT_SPECULAR
3770			dDiffuseLight = dDiffuseLight * (1.0 - litArgs_specularity);
3771		#endif
3772		#ifdef LIT_SEPARATE_AMBIENT
3773			vec3 dAmbientLight = dDiffuseLight;
3774			dDiffuseLight = vec3(0);
3775		#endif
3776	#endif
3777	#ifndef LIT_OLD_AMBIENT
3778		dDiffuseLight *= material_ambient;
3779	#endif
3780	#ifdef LIT_AO
3781		#ifndef LIT_OCCLUDE_DIRECT
3782			occludeDiffuse(litArgs_ao);
3783		#endif
3784	#endif
3785	#ifdef LIT_LIGHTMAP
3786		addLightMap(
3787			litArgs_lightmap, 
3788			litArgs_lightmapDir, 
3789			litArgs_worldNormal, 
3790			dViewDirW, 
3791			dReflDirW, 
3792			litArgs_gloss, 
3793			litArgs_specularity, 
3794			dVertexNormalW,
3795			dTBN
3796		#if defined(LIT_IRIDESCENCE)
3797			, iridescenceFresnel,
3798			litArgs_iridescence_intensity
3799		#endif
3800		);
3801	#endif
3802	#ifdef LIT_LIGHTING || LIT_REFLECTIONS
3803		#ifdef LIT_REFLECTIONS
3804			#ifdef LIT_CLEARCOAT
3805				addReflectionCC(ccReflDirW, litArgs_clearcoat_gloss);
3806			
3807				#ifdef LIT_SPECULAR_FRESNEL
3808					ccFresnel = getFresnelCC(dot(dViewDirW, litArgs_clearcoat_worldNormal));
3809					ccReflection *= ccFresnel;
3810				#else
3811					ccFresnel = 0.0;
3812				#endif
3813			#endif
3814			#ifdef LIT_SPECULARITY_FACTOR
3815				ccReflection *= litArgs_specularityFactor;
3816			#endif
3817			#ifdef LIT_SHEEN
3818				addReflectionSheen(litArgs_worldNormal, dViewDirW, litArgs_sheen_gloss);
3819			#endif
3820			addReflection(dReflDirW, litArgs_gloss);
3821			#ifdef LIT_FRESNEL_MODEL
3822				dReflection.rgb *= getFresnel(
3823					dot(dViewDirW, litArgs_worldNormal), 
3824					litArgs_gloss, 
3825					litArgs_specularity
3826				#if defined(LIT_IRIDESCENCE)
3827					, iridescenceFresnel,
3828					litArgs_iridescence_intensity
3829				#endif
3830					);
3831			#else
3832				dReflection.rgb *= litArgs_specularity;
3833			#endif
3834		#endif
3835		#ifdef AREA_LIGHTS
3836			dSpecularLight *= litArgs_specularity;
3837			#ifdef LIT_SPECULAR
3838				calcLTCLightValues(litArgs_gloss, litArgs_worldNormal, dViewDirW, litArgs_specularity, litArgs_clearcoat_gloss, litArgs_clearcoat_worldNormal, litArgs_clearcoat_specularity);
3839			#endif
3840		#endif
3841		
3842		#ifdef LIGHT_COUNT > 0
3843			#include "lightEvaluationPS, LIGHT_COUNT"
3844		#endif
3845		#ifdef LIT_CLUSTERED_LIGHTS
3846			addClusteredLights(litArgs_worldNormal, dViewDirW, dReflDirW,
3847				#if defined(LIT_CLEARCOAT)
3848						ccReflDirW,
3849				#endif
3850						litArgs_gloss, litArgs_specularity, dVertexNormalW, dTBN, 
3851				#if defined(LIT_IRIDESCENCE)
3852						iridescenceFresnel,
3853				#endif
3854						litArgs_clearcoat_worldNormal, litArgs_clearcoat_gloss, litArgs_sheen_gloss, litArgs_iridescence_intensity
3855			);
3856		#endif
3857		#ifdef AREA_LIGHTS
3858			#ifdef LIT_CLEARCOAT
3859				litArgs_clearcoat_specularity = 1.0;
3860			#endif
3861			#ifdef LIT_SPECULAR
3862				litArgs_specularity = vec3(1);
3863			#endif
3864		#endif
3865		#ifdef LIT_REFRACTION
3866			addRefraction(
3867				litArgs_worldNormal, 
3868				dViewDirW, 
3869				litArgs_thickness, 
3870				litArgs_gloss, 
3871				litArgs_specularity, 
3872				litArgs_albedo, 
3873				litArgs_transmission,

3874				litArgs_ior,
3875				litArgs_dispersion
3876				#if defined(LIT_IRIDESCENCE)
3877					, iridescenceFresnel, 
3878					litArgs_iridescence_intensity
3879				#endif
3880			);
3881		#endif
3882	#endif
3883	#ifdef LIT_AO
3884		#ifdef LIT_OCCLUDE_DIRECT
3885			occludeDiffuse(litArgs_ao);
3886		#endif
3887		#if LIT_OCCLUDE_SPECULAR != NONE
3888			occludeSpecular(litArgs_gloss, litArgs_ao, litArgs_worldNormal, dViewDirW);
3889		#endif
3890	#endif
3891	#if !defined(LIT_OPACITY_FADES_SPECULAR)
3892		#if LIT_BLEND_TYPE == NORMAL || LIT_BLEND_TYPE == PREMULTIPLIED
3893			float specLum = dot((dSpecularLight + dReflection.rgb * dReflection.a), vec3( 0.2126, 0.7152, 0.0722 ));
3894			#ifdef LIT_CLEARCOAT
3895				specLum += dot(ccSpecularLight * litArgs_clearcoat_specularity + ccReflection * litArgs_clearcoat_specularity, vec3( 0.2126, 0.7152, 0.0722 ));
3896			#endif
3897			litArgs_opacity = clamp(litArgs_opacity + gammaCorrectInput(specLum), 0.0, 1.0);
3898		#endif
3899		litArgs_opacity *= material_alphaFade;
3900	#endif
3901	#ifdef LIT_LIGHTMAP_BAKING
3902		#ifdef LIT_LIGHTMAP_BAKING_COLOR
3903			#include "bakeLmEndPS"
3904		#endif
3905		#ifdef LIT_LIGHTMAP_BAKING_DIR
3906			#include "bakeDirLmEndPS"
3907		#endif
3908	#else
3909		#include "endPS"
3910		#include "outputAlphaPS"
3911	#endif
3912	#ifdef LIT_MSDF
3913		gl_FragColor = applyMsdf(gl_FragColor);
3914	#endif
3915	#include "outputPS"
3916	#include "debugOutputPS"
3917	#ifdef LIT_SHADOW_CATCHER
3918		gl_FragColor.rgb = vec3(dShadowCatcher);
3919	#endif
3920}
3921`,cL=`
3922vec3 sReflection;
3923vec3 dVertexNormalW;
3924vec3 dTangentW;
3925vec3 dBinormalW;
3926vec3 dViewDirW;
3927vec3 dReflDirW;
3928vec3 ccReflDirW;
3929vec3 dLightDirNormW;
3930float dAtten;
3931mat3 dTBN;
3932vec4 dReflection;
3933vec3 dDiffuseLight;
3934vec3 dSpecularLight;
3935float ccFresnel;
3936vec3 ccReflection;
3937vec3 ccSpecularLight;
3938float ccSpecularityNoFres;
3939vec3 sSpecularLight;
3940#ifdef LIT_DISPERSION
3941	uniform float material_dispersion;
3942#endif
3943#ifndef LIT_OPACITY_FADES_SPECULAR
3944	uniform float material_alphaFade;
3945#endif
3946#ifdef LIT_SSAO
3947	uniform sampler2D ssaoTexture;
3948	uniform vec2 ssaoTextureSizeInv;
3949#endif
3950#ifdef LIT_SHADOW_CATCHER
3951	float dShadowCatcher = 1.0;
3952#endif
3953#if LIGHT_COUNT > 0
3954	#include "lightDeclarationPS, LIGHT_COUNT"
3955#endif
3956#ifdef LIT_SPECULAR
3957	#if LIT_FRESNEL_MODEL == NONE && !defined(LIT_REFLECTIONS) && !defined(LIT_DIFFUSE_MAP) 
3958		#define LIT_OLD_AMBIENT
3959	#endif
3960#endif
3961#ifdef STD_LIGHTMAP_DIR
3962	uniform float bakeDir;
3963#endif
3964#ifdef LIT_LIGHTMAP_BAKING_ADD_AMBIENT
3965	uniform float ambientBakeOcclusionContrast;
3966	uniform float ambientBakeOcclusionBrightness;
3967#endif
3968`,hL=`
3969void main(void) {
3970	#include "litUserMainStartPS"
3971	dReflection = vec4(0);
3972	#ifdef LIT_CLEARCOAT
3973		ccSpecularLight = vec3(0);
3974		ccReflection = vec3(0);
3975	#endif
3976	#if LIT_NONE_SLICE_MODE == SLICED
3977		#include "startNineSlicedPS"
3978	#elif LIT_NONE_SLICE_MODE == TILED
3979		#include "startNineSlicedTiledPS"
3980	#endif
3981	#ifdef LIT_NEEDS_NORMAL
3982		dVertexNormalW = normalize(vNormalW);
3983		#ifdef LIT_TANGENTS
3984			#if defined(LIT_HEIGHTS) || defined(LIT_USE_NORMALS) || defined(LIT_USE_CLEARCOAT_NORMALS) || defined(LIT_GGX_SPECULAR)
3985				dTangentW = vTangentW;
3986				dBinormalW = vBinormalW;
3987			#endif
3988		#endif
3989		getViewDir();
3990		#ifdef LIT_TBN
3991			getTBN(dTangentW, dBinormalW, dVertexNormalW);
3992			#ifdef LIT_TWO_SIDED_LIGHTING
3993				handleTwoSidedLighting();
3994			#endif
3995		#endif
3996	#endif
3997	evaluateFrontend();
3998	#include "debugProcessFrontendPS"
3999	evaluateBackend();
4000	#include "litUserMainEndPS"
4001}
4002`,dL=`
4003#ifdef LIT_NEEDS_NORMAL
4004	#include "cubeMapRotatePS"
4005	#include "cubeMapProjectPS"
4006	#include "envProcPS"
4007#endif
4008#ifdef LIT_SPECULAR_OR_REFLECTION
4009	#ifdef LIT_METALNESS
4010		#include "metalnessModulatePS"
4011	#endif
4012	#ifdef LIT_IRIDESCENCE
4013		#include "iridescenceDiffractionPS"
4014	#endif
4015#endif
4016#if defined(LIT_SPECULAR_OR_REFLECTION) || defined(LIT_REFRACTION)
4017	#if LIT_FRESNEL_MODEL == SCHLICK
4018		#include "fresnelSchlickPS"
4019	#endif
4020#endif
4021#ifdef LIT_AO
4022	#include "aoDiffuseOccPS"
4023	#include "aoSpecOccPS"
4024#endif
4025#if LIT_REFLECTION_SOURCE == ENVATLASHQ
4026	#include "envAtlasPS"
4027	#include "reflectionEnvHQPS"
4028#elif LIT_REFLECTION_SOURCE == ENVATLAS
4029	#include "envAtlasPS"
4030	#include "reflectionEnvPS"
4031#elif LIT_REFLECTION_SOURCE == CUBEMAP
4032	#include "reflectionCubePS"
4033#elif LIT_REFLECTION_SOURCE == SPHEREMAP
4034	#include "reflectionSpherePS"
4035#endif
4036#ifdef LIT_REFLECTIONS
4037	#ifdef LIT_CLEARCOAT
4038		#include "reflectionCCPS"
4039	#endif
4040	#ifdef LIT_SHEEN
4041		#include "reflectionSheenPS"
4042	#endif
4043#endif
4044#ifdef LIT_REFRACTION
4045	#if defined(LIT_DYNAMIC_REFRACTION)
4046		#include "refractionDynamicPS"
4047	#elif defined(LIT_REFLECTIONS)
4048		#include "refractionCubePS"
4049	#endif
4050#endif
4051#ifdef LIT_SHEEN
4052	#include "lightSheenPS"
4053#endif
4054uniform vec3 material_ambient;
4055#ifdef LIT_SPECULAR
4056	#ifdef LIT_LIGHTING
4057		#ifdef LIT_GGX_SPECULAR
4058			#ifdef LIT_ANISOTROPY
4059				#include "lightSpecularAnisoGGXPS"
4060			#else
4061				#include "lightSpecularGGXPS"
4062			#endif
4063		#else
4064			#include "lightSpecularBlinnPS"

4065		#endif
4066	#endif
4067#endif
4068#include "combinePS"
4069#ifdef LIT_LIGHTMAP
4070	#include "lightmapAddPS"
4071#endif
4072#ifdef LIT_ADD_AMBIENT
4073	#include "ambientPS"
4074#endif
4075#ifdef LIT_MSDF
4076	#include "msdfPS"
4077#endif
4078#ifdef LIT_NEEDS_NORMAL
4079	#include "viewDirPS"
4080	#ifdef LIT_SPECULAR
4081		#ifdef LIT_ANISOTROPY
4082			#include "reflDirAnisoPS"
4083		#else
4084			#include "reflDirPS"
4085		#endif
4086	#endif
4087#endif
4088#include "lightingPS"
4089`,uL=`
4090#include "basePS"
4091#include "sphericalPS"
4092#include "decodePS"
4093#include "gammaPS"
4094#include "tonemappingPS"
4095#include "fogPS"
4096#if LIT_NONE_SLICE_MODE == SLICED
4097	#include "baseNineSlicedPS"
4098#elif LIT_NONE_SLICE_MODE == TILED
4099	#include "baseNineSlicedTiledPS"
4100#endif
4101#ifdef LIT_TBN
4102	#include "TBNPS"
4103	#ifdef LIT_TWO_SIDED_LIGHTING
4104		#include "twoSidedLightingPS"
4105	#endif
4106#endif
4107`,fL=`
4108#include "varyingsPS"
4109#include "litUserDeclarationPS"
4110#include "frontendDeclPS"
4111#if defined(PICK_PASS) || defined(PREPASS_PASS)
4112	#include "frontendCodePS"
4113	#include "litUserCodePS"
4114	#include "litOtherMainPS"
4115#elif defined(SHADOW_PASS)
4116	#include "frontendCodePS"
4117	#include "litUserCodePS"
4118	#include "litShadowMainPS"
4119#else
4120	#include "litForwardDeclarationPS"
4121	#include "litForwardPreCodePS"
4122	#include "frontendCodePS"
4123	#include "litForwardPostCodePS"
4124	#include "litForwardBackendPS"
4125	#include "litUserCodePS"
4126	#include "litForwardMainPS"
4127#endif
4128`,pL=`
4129#include "varyingsVS"
4130#include  "litUserDeclarationVS"
4131#ifdef VERTEX_COLOR
4132	attribute vec4 vertex_color;
4133#endif
4134#ifdef NINESLICED
4135	varying vec2 vMask;
4136	varying vec2 vTiledUv;
4137	uniform mediump vec4 innerOffset;
4138	uniform mediump vec2 outerScale;
4139	uniform mediump vec4 atlasRect;
4140#endif
4141vec3 dPositionW;
4142mat4 dModelMatrix;
4143#include "transformCoreVS"
4144#ifdef UV0
4145	attribute vec2 vertex_texCoord0;
4146	#include "uv0VS"
4147#endif
4148#ifdef UV1
4149	attribute vec2 vertex_texCoord1;
4150	#include "uv1VS"
4151#endif
4152#ifdef LINEAR_DEPTH
4153	#ifndef VIEWMATRIX
4154	#define VIEWMATRIX
4155		uniform mat4 matrix_view;
4156	#endif
4157#endif
4158#include "transformVS"
4159#ifdef NORMALS
4160	#include "normalCoreVS"
4161	#include "normalVS"
4162#endif
4163#ifdef TANGENTS
4164	attribute vec4 vertex_tangent;
4165#endif
4166#include "uvTransformUniformsPS, UV_TRANSFORMS_COUNT"
4167#ifdef MSDF
4168	#include "msdfVS"
4169#endif
4170#include  "litUserCodeVS"
4171#ifdef VERTEX_COLOR
4172	vec3 decodeGamma(vec3 raw) {
4173		return pow(raw, vec3(2.2));
4174	}
4175	vec4 gammaCorrectInput(vec4 color) {
4176		return vec4(decodeGamma(color.xyz), color.w);
4177	}
4178#endif
4179void main(void) {
4180	#include "litUserMainStartVS"
4181	gl_PointSize = 1.0;
4182	gl_Position = getPosition();
4183	vPositionW = getWorldPosition();
4184	#ifdef NORMALS
4185		vNormalW = getNormal();
4186	#endif
4187	#ifdef TANGENTS
4188		vTangentW = normalize(dNormalMatrix * vertex_tangent.xyz);
4189		vBinormalW = cross(vNormalW, vTangentW) * vertex_tangent.w;
4190	#elif defined(GGX_SPECULAR)
4191		vObjectSpaceUpW = normalize(dNormalMatrix * vec3(0, 1, 0));
4192	#endif
4193	#ifdef UV0
4194		vec2 uv0 = getUv0();
4195		#ifdef UV0_UNMODIFIED
4196			vUv0 = uv0;
4197		#endif
4198	#endif
4199	#ifdef UV1
4200		vec2 uv1 = getUv1();
4201		#ifdef UV1_UNMODIFIED
4202			vUv1 = uv1;
4203		#endif
4204	#endif
4205	#include "uvTransformVS, UV_TRANSFORMS_COUNT"
4206	#ifdef VERTEX_COLOR
4207		#ifdef STD_VERTEX_COLOR_GAMMA
4208			vVertexColor = gammaCorrectInput(vertex_color);
4209		#else
4210			vVertexColor = vertex_color;
4211		#endif
4212	#endif
4213	#ifdef LINEAR_DEPTH
4214		vLinearDepth = -(matrix_view * vec4(vPositionW, 1.0)).z;
4215	#endif
4216	#ifdef MSDF
4217		unpackMsdfParams();
4218	#endif
4219	#include "litUserMainEndVS"
4220}
4221`,mL=`
4222#ifdef PICK_PASS
4223	#include "pickPS"
4224#endif
4225#ifdef PREPASS_PASS
4226	#include "floatAsUintPS"
4227#endif
4228void main(void) {
4229	#include "litUserMainStartPS"
4230	evaluateFrontend();
4231	#ifdef PICK_PASS
4232		pcFragColor0 = getPickOutput();
4233		#ifdef DEPTH_PICK_PASS
4234			pcFragColor1 = getPickDepth();
4235		#endif
4236	#endif
4237	#ifdef PREPASS_PASS
4238		gl_FragColor = float2vec4(vLinearDepth);
4239	#endif
4240	#include "litUserMainEndPS"
4241}
4242`,_L=`
4243vec3 litArgs_albedo;
4244float litArgs_opacity;
4245vec3 litArgs_emission;
4246vec3 litArgs_worldNormal;
4247float litArgs_ao;
4248vec3 litArgs_lightmap;
4249vec3 litArgs_lightmapDir;
4250float litArgs_metalness;
4251vec3 litArgs_specularity;
4252float litArgs_specularityFactor;
4253float litArgs_gloss;
4254float litArgs_sheen_gloss;
4255vec3 litArgs_sheen_specularity;
4256float litArgs_transmission;
4257float litArgs_thickness;
4258float litArgs_ior;

4259float litArgs_dispersion;
4260float litArgs_iridescence_intensity;
4261float litArgs_iridescence_thickness;
4262vec3 litArgs_clearcoat_worldNormal;
4263float litArgs_clearcoat_specularity;
4264float litArgs_clearcoat_gloss;
4265`,gL=`
4266	#if LIT_NONE_SLICE_MODE == TILED
4267		const float textureBias = -1000.0;
4268	#else
4269		uniform float textureBias;
4270	#endif
4271	#include "litShaderArgsPS"
4272`,vL=`
4273#if LIGHT_TYPE != DIRECTIONAL
4274	uniform vec3 view_position;
4275	uniform float light_radius;
4276#endif
4277#if SHADOW_TYPE == PCSS_32F
4278	#include "linearizeDepthPS"
4279#endif
4280void main(void) {
4281	#include "litUserMainStartPS"
4282	evaluateFrontend();
4283	#ifdef PERSPECTIVE_DEPTH
4284		float depth = gl_FragCoord.z;
4285		#if SHADOW_TYPE == PCSS_32F
4286			#if LIGHT_TYPE != DIRECTIONAL
4287				depth = linearizeDepthWithParams(depth, camera_params);
4288			#endif
4289		#endif
4290	#else
4291		float depth = min(distance(view_position, vPositionW) / light_radius, 0.99999);
4292		#define MODIFIED_DEPTH
4293	#endif
4294	#if SHADOW_TYPE == VSM_16F || SHADOW_TYPE == VSM_32F
4295		#if SHADOW_TYPE == VSM_32F
4296			float exponent = 15.0;
4297		#else
4298			float exponent = 5.54;
4299		#endif
4300		depth = 2.0 * depth - 1.0;
4301		depth =  exp(exponent * depth);
4302		gl_FragColor = vec4(depth, depth*depth, 1.0, 1.0);
4303	#else
4304		#if SHADOW_TYPE == PCSS_32F
4305			gl_FragColor.r = depth;
4306		#else
4307			#ifdef MODIFIED_DEPTH
4308				gl_FragDepth = depth;
4309			#endif
4310			gl_FragColor = vec4(1.0);
4311		#endif
4312	#endif
4313	#include "litUserMainEndPS"
4314}
4315`,SL=`
4316mat3 transposeMat3( const in mat3 m ) {
4317	mat3 tmp;
4318	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );
4319	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );
4320	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );
4321	return tmp;
4322}
4323vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
4324	const float LUT_SIZE = 64.0;
4325	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
4326	const float LUT_BIAS = 0.5 / LUT_SIZE;
4327	float dotNV = saturate( dot( N, V ) );
4328	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
4329	uv = uv * LUT_SCALE + LUT_BIAS;
4330	return uv;
4331}
4332float LTC_ClippedSphereFormFactor( const in vec3 f ) {
4333	float l = length( f );
4334	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
4335}
4336vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
4337	float x = dot( v1, v2 );
4338	float y = abs( x );
4339	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
4340	float b = 3.4175940 + ( 4.1616724 + y ) * y;
4341	float v = a / b;
4342	float theta_sintheta = ( x >

4342 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
4343	return cross( v1, v2 ) * theta_sintheta;
4344}
4345struct Coords {
4346	vec3 coord0;
4347	vec3 coord1;
4348	vec3 coord2;
4349	vec3 coord3;
4350};
4351float LTC_EvaluateRect( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in Coords rectCoords) {
4352	vec3 v1 = rectCoords.coord1 - rectCoords.coord0;
4353	vec3 v2 = rectCoords.coord3 - rectCoords.coord0;
4354	
4355	vec3 lightNormal = cross( v1, v2 );
4356	float factor = sign(-dot( lightNormal, P - rectCoords.coord0 ));
4357	vec3 T1, T2;
4358	T1 = normalize( V - N * dot( V, N ) );
4359	T2 =  factor * cross( N, T1 );
4360	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
4361	vec3 coords[ 4 ];
4362	coords[ 0 ] = mat * ( rectCoords.coord0 - P );
4363	coords[ 1 ] = mat * ( rectCoords.coord1 - P );
4364	coords[ 2 ] = mat * ( rectCoords.coord2 - P );
4365	coords[ 3 ] = mat * ( rectCoords.coord3 - P );
4366	coords[ 0 ] = normalize( coords[ 0 ] );
4367	coords[ 1 ] = normalize( coords[ 1 ] );
4368	coords[ 2 ] = normalize( coords[ 2 ] );
4369	coords[ 3 ] = normalize( coords[ 3 ] );
4370	vec3 vectorFormFactor = vec3( 0.0 );
4371	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
4372	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
4373	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
4374	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
4375	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
4376	return result;
4377}
4378Coords dLTCCoords;
4379Coords getLTCLightCoords(vec3 lightPos, vec3 halfWidth, vec3 halfHeight){
4380	Coords coords;
4381	coords.coord0 = lightPos + halfWidth - halfHeight;
4382	coords.coord1 = lightPos - halfWidth - halfHeight;
4383	coords.coord2 = lightPos - halfWidth + halfHeight;
4384	coords.coord3 = lightPos + halfWidth + halfHeight;
4385	return coords;
4386}
4387float dSphereRadius;
4388Coords getSphereLightCoords(vec3 lightPos, vec3 halfWidth, vec3 halfHeight){
4389	dSphereRadius = max(length(halfWidth), length(halfHeight));
4390	vec3 f = reflect(normalize(lightPos - view_position), vNormalW);
4391	vec3 w = normalize(cross(f, halfHeight));
4392	vec3 h = normalize(cross(f, w));
4393	return getLTCLightCoords(lightPos, w * dSphereRadius, h * dSphereRadius);
4394}
4395vec2 dLTCUV;
4396#ifdef LIT_CLEARCOAT
4397	vec2 ccLTCUV;
4398#endif
4399vec2 getLTCLightUV(float gloss, vec3 worldNormal, vec3 viewDir)
4400{
4401	float roughness = max((1.0 - gloss) * (1.0 - gloss), 0.001);
4402	return LTC_Uv( worldNormal, viewDir, roughness );
4403}
4404vec3 dLTCSpecFres;
4405#ifdef LIT_CLEARCOAT
4406	vec3 ccLTCSpecFres;
4407#endif
4408vec3 getLTCLightSpecFres(vec2 uv, vec3 specularity)
4409{
4410	vec4 t2 = texture2DLod(areaLightsLutTex2, uv, 0.0);
4411	return specularity * t2.x + ( vec3( 1.0 ) - specularity) * t2.y;
4412}
4413void calcLTCLightValues(float gloss, vec3 worldNormal, vec3 viewDir, vec3 specularity, float clearcoatGloss, vec3 clearcoatWorldNormal, float clearcoatSpecularity)
4414{
4415	dLTCUV = getLTCLightUV(gloss, worldNormal, viewDir);
4416	dLTCSpecFres = getLTCLightSpecFres(dLTCUV, specularity); 
4417#ifdef LIT_CLEARCOAT
4418	ccLTCUV = getLTCLightUV(clearcoatGloss, clearcoatWorldNormal, viewDir);
4419	ccLTCSpecFres = getLTCLightSpecFres(ccLTCUV, vec3(clearcoatSpecularity));
4420#endif
4421}
4422void calcRectLightValues(vec3 lightPos, vec3 halfWidth, vec3 halfHeight) {
4423	dLTCCoords = getLTCLightCoords(lightPos, halfWidth, halfHeight);
4424}
4425void calcDiskLightValues(vec3 lightPos, vec3 halfWidth, vec3 halfHeight) {
4426	calcRectLightValues(lightPos, halfWidth, halfHeight);
4427}
4428void calcSphereLightValues(vec3 lightPos, vec3 halfWidth, vec3 halfHeight) {
4429	dLTCCoords = getSphereLightCoords(lightPos, halfWidth, halfHeight);
4430}
4431vec3 SolveCubic(vec4 Coefficient)
4432{
4433	float pi = 3.14159;
4434	Coefficient.xyz /= Coefficient.w;
4435	Coefficient.yz /= 3.0;
4436	float A = Coefficient.w;
4437	float B = Coefficient.z;
4438	float C = Coefficient.y;
4439	float D = Coefficient.x;
4440	vec3 Delta = vec3(
4441		-Coefficient.z * Coefficient.z + Coefficient.y,
4442		-Coefficient.y * Coefficient.z + Coefficient.x,
4443		dot(vec2(Coefficient.z, -Coefficient.y), Coefficient.xy)
4444	);
4445	float Discriminant = dot(vec2(4.0 * Delta.x, -Delta.y), Delta.zy);
4446	vec2 xlc, xsc;
4447	{
4448		float A_a = 1.0;
4449		float C_a = Delta.x;
4450		float D_a = -2.0 * B * Delta.x + Delta.y;
4451		float Theta = atan(sqrt(Discriminant), -D_a) / 3.0;
4452		float x_1a = 2.0 * sqrt(-C_a) * cos(Theta);
4453		float x_3a = 2.0 * sqrt(-C_a) * cos(Theta + (2.0 / 3.0) * pi);
4454		float xl;
4455		if ((x_1a + x_3a) > 2.0 * B)
4456			xl = x_1a;
4457		else
4458			xl = x_3a;
4459		xlc = vec2(xl - B, A);
4460	}
4461	{
4462		float A_d = D;
4463		float C_d = Delta.z;
4464		float D_d = -D * Delta.y + 2.0 * C * Delta.z;
4465		float Theta = atan(D * sqrt(Discriminant), -D_d) / 3.0;
4466		float x_1d = 2.0 * sqrt(-C_d) * cos(Theta);
4467		float x_3d = 2.0 * sqrt(-C_d) * cos(Theta + (2.0 / 3.0) * pi);
4468		float xs;
4469		if (x_1d + x_3d < 2.0 * C)
4470			xs = x_1d;
4471		else
4472			xs = x_3d;
4473		xsc = vec2(-D, xs + C);
4474	}
4475	float E =  xlc.y * xsc.y;
4476	float F = -xlc.x * xsc.y - xlc.y * xsc.x;
4477	float G =  xlc.x * xsc.x;
4478	vec2 xmc = vec2(C * F - B * G, -B * F + C * E);
4479	vec3 Root = vec3(xsc.x / xsc.y, xmc.x / xmc.y, xlc.x / xlc.y);
4480	if (Root.x < Root.y && Root.x < Root.z)
4481		Root.xyz = Root.yxz;
4482	else if (Root.z < Root.x && Root.z < Root.y)
4483		Root.xyz = Root.xzy;
4484	return Root;
4485}
4486float LTC_EvaluateDisk(vec3 N, vec3 V, vec3 P, mat3 Minv, Coords points)
4487{
4488	vec3 T1 = normalize(V - N * dot(V, N));
4489	vec3 T2 = cross(N, T1);
4490	mat3 R = transposeMat3( mat3( T1, T2, N ) );
4491	vec3 L_[ 3 ];
4492	L_[ 0 ] = R * ( points.coord0 - P );
4493	L_[ 1 ] = R * ( points.coord1 - P );
4494	L_[ 2 ] = R * ( points.coord2 - P );
4495	vec3 C  = 0.5 * (L_[0] + L_[2]);
4496	vec3 V1 = 0.5 * (L_[1] - L_[2]);
4497	vec3 V2 = 0.5 * (L_[1] - L_[0]);
4498	C  = Minv * C;
4499	V1 = Minv * V1;
4500	V2 = Minv * V2;
4501	float a, b;
4502	float d11 = dot(V1, V1);
4503	float d22 = dot(V2, V2);
4504	float d12 = dot(V1, V2);

4505	if (abs(d12) / sqrt(d11 * d22) > 0.0001)
4506	{
4507		float tr = d11 + d22;
4508		float det = -d12 * d12 + d11 * d22;
4509		det = sqrt(det);
4510		float u = 0.5 * sqrt(tr - 2.0 * det);
4511		float v = 0.5 * sqrt(tr + 2.0 * det);
4512		float e_max = (u + v) * (u + v);
4513		float e_min = (u - v) * (u - v);
4514		vec3 V1_, V2_;
4515		if (d11 > d22)
4516		{
4517			V1_ = d12 * V1 + (e_max - d11) * V2;
4518			V2_ = d12 * V1 + (e_min - d11) * V2;
4519		}
4520		else
4521		{
4522			V1_ = d12*V2 + (e_max - d22)*V1;
4523			V2_ = d12*V2 + (e_min - d22)*V1;
4524		}
4525		a = 1.0 / e_max;
4526		b = 1.0 / e_min;
4527		V1 = normalize(V1_);
4528		V2 = normalize(V2_);
4529	}
4530	else
4531	{
4532		a = 1.0 / dot(V1, V1);
4533		b = 1.0 / dot(V2, V2);
4534		V1 *= sqrt(a);
4535		V2 *= sqrt(b);
4536	}
4537	vec3 V3 = normalize(cross(V1, V2));
4538	if (dot(C, V3) < 0.0)
4539		V3 *= -1.0;
4540	float L  = dot(V3, C);
4541	float x0 = dot(V1, C) / L;
4542	float y0 = dot(V2, C) / L;
4543	float E1 = inversesqrt(a);
4544	float E2 = inversesqrt(b);
4545	a *= L * L;
4546	b *= L * L;
4547	float c0 = a * b;
4548	float c1 = a * b * (1.0 + x0 * x0 + y0 * y0) - a - b;
4549	float c2 = 1.0 - a * (1.0 + x0 * x0) - b * (1.0 + y0 * y0);
4550	float c3 = 1.0;
4551	vec3 roots = SolveCubic(vec4(c0, c1, c2, c3));
4552	float e1 = roots.x;
4553	float e2 = roots.y;
4554	float e3 = roots.z;
4555	vec3 avgDir = vec3(a * x0 / (a - e2), b * y0 / (b - e2), 1.0);
4556	mat3 rotate = mat3(V1, V2, V3);
4557	avgDir = rotate * avgDir;
4558	avgDir = normalize(avgDir);
4559	float L1 = sqrt(-e2 / e3);
4560	float L2 = sqrt(-e2 / e1);
4561	float formFactor = max(0.0, L1 * L2 * inversesqrt((1.0 + L1 * L1) * (1.0 + L2 * L2)));
4562	
4563	const float LUT_SIZE = 64.0;
4564	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
4565	const float LUT_BIAS = 0.5 / LUT_SIZE;
4566	vec2 uv = vec2(avgDir.z * 0.5 + 0.5, formFactor);
4567	uv = uv*LUT_SCALE + LUT_BIAS;
4568	float scale = texture2DLod(areaLightsLutTex2, uv, 0.0).w;
4569	return formFactor*scale;
4570}
4571float FixNan(float value) {
4572	#ifdef WEBGPU
4573		return value != value ? 0.0 : value;
4574	#else
4575		return isnan(value) ? 0.0 : value;
4576	#endif
4577}
4578float getRectLightDiffuse(vec3 worldNormal, vec3 viewDir, vec3 lightDir, vec3 lightDirNorm) {
4579	return LTC_EvaluateRect( worldNormal, viewDir, vPositionW, mat3( 1.0 ), dLTCCoords );
4580}
4581float getDiskLightDiffuse(vec3 worldNormal, vec3 viewDir, vec3 lightDir, vec3 lightDirNorm) {
4582	return FixNan(LTC_EvaluateDisk( worldNormal, viewDir, vPositionW, mat3( 1.0 ), dLTCCoords ));
4583}
4584float getSphereLightDiffuse(vec3 worldNormal, vec3 viewDir, vec3 lightDir, vec3 lightDirNorm) {
4585	float falloff = dSphereRadius / (dot(lightDir, lightDir) + dSphereRadius);
4586	return FixNan(getLightDiffuse(worldNormal, viewDir, lightDirNorm) * falloff);
4587}
4588mat3 getLTCLightInvMat(vec2 uv)
4589{
4590	vec4 t1 = texture2DLod(areaLightsLutTex1, uv, 0.0);
4591	return mat3(
4592		vec3( t1.x, 0, t1.y ),
4593		vec3(	0, 1,	0 ),
4594		vec3( t1.z, 0, t1.w )
4595	);
4596}
4597float calcRectLightSpecular(vec3 worldNormal, vec3 viewDir, vec2 uv) {
4598	mat3 mInv = getLTCLightInvMat(uv);
4599	return LTC_EvaluateRect( worldNormal, viewDir, vPositionW, mInv, dLTCCoords );
4600}
4601float getRectLightSpecular(vec3 worldNormal, vec3 viewDir) {
4602	return calcRectLightSpecular(worldNormal, viewDir, dLTCUV);
4603}
4604float calcDiskLightSpecular(vec3 worldNormal, vec3 viewDir, vec2 uv) {
4605	mat3 mInv = getLTCLightInvMat(uv);
4606	return LTC_EvaluateDisk( worldNormal, viewDir, vPositionW, mInv, dLTCCoords );
4607}
4608float getDiskLightSpecular(vec3 worldNormal, vec3 viewDir) {
4609	return calcDiskLightSpecular(worldNormal, viewDir, dLTCUV);
4610}
4611float getSphereLightSpecular(vec3 worldNormal, vec3 viewDir) {
4612	return calcDiskLightSpecular(worldNormal, viewDir, dLTCUV);
4613}
4614`,yL=`
4615#ifdef STD_METALNESS_CONSTANT
4616uniform float material_metalness;
4617#endif
4618void getMetalness() {
4619	float metalness = 1.0;
4620	#ifdef STD_METALNESS_CONSTANT
4621	metalness *= material_metalness;
4622	#endif
4623	#ifdef STD_METALNESS_TEXTURE
4624	metalness *= texture2DBias({STD_METALNESS_TEXTURE_NAME}, {STD_METALNESS_TEXTURE_UV}, textureBias).{STD_METALNESS_TEXTURE_CHANNEL};
4625	#endif
4626	#ifdef STD_METALNESS_VERTEX
4627	metalness *= saturate(vVertexColor.{STD_METALNESS_VERTEX_CHANNEL});
4628	#endif
4629	dMetalness = metalness;
4630}
4631`,xL=`
4632uniform sampler2D texture_msdfMap;
4633float median(float r, float g, float b) {
4634	return max(min(r, g), min(max(r, g), b));
4635}
4636float map (float min, float max, float v) {
4637	return (v - min) / (max - min);
4638}
4639uniform float font_sdfIntensity;
4640uniform float font_pxrange;
4641uniform float font_textureWidth;
4642#ifndef LIT_MSDF_TEXT_ATTRIBUTE
4643	uniform vec4 outline_color;
4644	uniform float outline_thickness;
4645	uniform vec4 shadow_color;
4646	uniform vec2 shadow_offset;
4647#else
4648	varying vec4 outline_color;
4649	varying float outline_thickness;
4650	varying vec4 shadow_color;
4651	varying vec2 shadow_offset;
4652#endif
4653vec4 applyMsdf(vec4 color) {
4654	color.rgb = gammaCorrectInput(color.rgb);
4655	vec3 tsample = texture2D(texture_msdfMap, vUv0).rgb;
4656	vec2 uvShdw = vUv0 - shadow_offset;
4657	vec3 ssample = texture2D(texture_msdfMap, uvShdw).rgb;
4658	float sigDist = median(tsample.r, tsample.g, tsample.b);
4659	float sigDistShdw = median(ssample.r, ssample.g, ssample.b);
4660	float smoothingMax = 0.2;
4661	vec2 w = fwidth(vUv0);
4662	float smoothing = clamp(w.x * font_textureWidth / font_pxrange, 0.0, smoothingMax);
4663	float mapMin = 0.05;
4664	float mapMax = clamp(1.0 - font_sdfIntensity, mapMin, 1.0);
4665	float sigDistInner = map(mapMin, mapMax, sigDist);
4666	float sigDistOutline = map(mapMin, mapMax, sigDist + outline_thickness);
4667	sigDistShdw = map(mapMin, mapMax, sigDistShdw + outline_thickness);
4668	float center = 0.5;
4669	float inside = smoothstep(center-smoothing, center+smoothing, sigDistInner);
4670	float outline = smoothstep(center-smoothing, center+smoothing, sigDistOutline);
4671	float shadow = smoothstep(center-smoothing, center+smoothing, sigDistShdw);
4672	vec4 tcolor = (outline > inside) ? outline * vec4(outline_color.a * outline_color.rgb, outline_color.a) : vec4(0.0);
4673	tcolor = mix(tcolor, color, inside);
4674	vec4 scolor = (shadow > outline) ? shadow * vec4(shadow_color.a * shadow_color.rgb, shadow_color.a) : tcolor;
4675	tcolor = mix(scolor, tcolor, outline);
4676	tcolor.rgb = gammaCorrectOutput(tcolor.rgb);
4677	
4678	return tcolor;
4679}
4680`,TL=`
4681vec3 getSpecularModulate(in vec3 specularity, in vec3 albedo, in float metalness, in float f0, in float specularityFactor) {
4682	vec3 dielectricF0 = f0 * specularity * specularityFactor;
4683	return mix(dielectricF0, albedo, metalness);
4684}
4685vec3 getAlbedoModulate(in vec3 albedo, in float metalness) {
4686	return albedo * (1.0 - metalness);
4687}
4688`,wL=`
4689	varying vec2 uv0;
4690	uniform sampler2DArray morphTexture;
4691	uniform highp float morphFactor[{MORPH_TEXTURE_MAX_COUNT}];
4692	uniform highp uint morphIndex[{MORPH_TEXTURE_MAX_COUNT}];
4693	uniform int count;
4694	#ifdef MORPH_INT
4695		uniform vec3 aabbSize;
4696		uniform vec3 aabbMin;
4697	#endif
4698	void main (void) {
4699		highp vec3 color = vec3(0, 0, 0);

4700		ivec2 pixelCoords = ivec2(uv0 * vec2(textureSize(morphTexture, 0).xy));
4701		
4702		for (int i = 0; i < count; i++) {
4703			uint textureIndex = morphIndex[i];
4704			vec3 delta = texelFetch(morphTexture, ivec3(pixelCoords, int(textureIndex)), 0).xyz;
4705			color += morphFactor[i] * delta;
4706		}
4707		#ifdef MORPH_INT
4708			color = (color - aabbMin) / aabbSize * 65535.0;
4709			gl_FragColor = uvec4(color, 1u);
4710		#else
4711			gl_FragColor = vec4(color, 1.0);
4712		#endif
4713	}
4714`,CL=`
4715	attribute vec2 vertex_position;
4716	varying vec2 uv0;
4717	void main(void) {
4718		gl_Position = vec4(vertex_position, 0.5, 1.0);
4719		uv0 = vertex_position.xy * 0.5 + 0.5;
4720	}
4721`,EL=`
4722attribute vec3 vertex_outlineParameters;
4723attribute vec3 vertex_shadowParameters;
4724varying vec4 outline_color;
4725varying float outline_thickness;
4726varying vec4 shadow_color;
4727varying vec2 shadow_offset;
4728void unpackMsdfParams() {
4729	vec3 little = mod(vertex_outlineParameters, 256.);
4730	vec3 big = (vertex_outlineParameters - little) / 256.;
4731	outline_color.rb = little.xy / 255.;
4732	outline_color.ga = big.xy / 255.;
4733	outline_thickness = little.z / 255. * 0.2;
4734	little = mod(vertex_shadowParameters, 256.);
4735	big = (vertex_shadowParameters - little) / 256.;
4736	shadow_color.rb = little.xy / 255.;
4737	shadow_color.ga = big.xy / 255.;
4738	shadow_offset = (vec2(little.z, big.z) / 127. - 1.) * 0.005;
4739}
4740`,bL=`
4741mat3 dNormalMatrix;
4742vec3 getNormal() {
4743	dNormalMatrix = getNormalMatrix(dModelMatrix);
4744	vec3 localNormal = getLocalNormal(vertex_normal);
4745	return normalize(dNormalMatrix * localNormal);
4746}
4747`,AL=`
4748attribute vec3 vertex_normal;
4749uniform mat3 matrix_normal;
4750#ifdef MORPHING_NORMAL
4751	#ifdef MORPHING_INT
4752		uniform highp usampler2D morphNormalTex;
4753	#else
4754		uniform highp sampler2D morphNormalTex;
4755	#endif
4756#endif
4757vec3 getLocalNormal(vec3 vertexNormal) {
4758	vec3 localNormal = vertex_normal;
4759	#ifdef MORPHING_NORMAL
4760		ivec2 morphUV = getTextureMorphCoords();
4761		#ifdef MORPHING_INT
4762			vec3 morphNormal = vec3(texelFetch(morphNormalTex, ivec2(morphUV), 0).xyz) / 65535.0 * 2.0 - 1.0;
4763		#else
4764			vec3 morphNormal = texelFetch(morphNormalTex, ivec2(morphUV), 0).xyz;
4765		#endif
4766		localNormal += morphNormal;
4767	#endif
4768	return localNormal;
4769}
4770#if defined(SKIN) || defined(BATCH)
4771	mat3 getNormalMatrix(mat4 modelMatrix) {
4772		return mat3(modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz);
4773	}
4774#elif defined(INSTANCING)
4775	mat3 getNormalMatrix(mat4 modelMatrix) {
4776		return mat3(modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz);
4777	}
4778#else
4779	mat3 getNormalMatrix(mat4 modelMatrix) {
4780		return matrix_normal;
4781	}
4782#endif
4783`,PL=`
4784#ifdef STD_NORMAL_TEXTURE
4785	uniform float material_bumpiness;
4786#endif
4787#ifdef STD_NORMALDETAIL_TEXTURE
4788	uniform float material_normalDetailMapBumpiness;
4789	vec3 blendNormals(vec3 n1, vec3 n2) {
4790		n1 += vec3(0, 0, 1);
4791		n2 *= vec3(-1, -1, 1);
4792		return n1 * dot(n1, n2) / n1.z - n2;
4793	}
4794#endif
4795void getNormal() {
4796#ifdef STD_NORMAL_TEXTURE
4797	vec3 normalMap = {STD_NORMAL_TEXTURE_DECODE}(texture2DBias({STD_NORMAL_TEXTURE_NAME}, {STD_NORMAL_TEXTURE_UV}, textureBias));
4798	normalMap = mix(vec3(0.0, 0.0, 1.0), normalMap, material_bumpiness);
4799	#ifdef STD_NORMALDETAIL_TEXTURE
4800		vec3 normalDetailMap = {STD_NORMALDETAIL_TEXTURE_DECODE}(texture2DBias({STD_NORMALDETAIL_TEXTURE_NAME}, {STD_NORMALDETAIL_TEXTURE_UV}, textureBias));
4801		normalDetailMap = mix(vec3(0.0, 0.0, 1.0), normalDetailMap, material_normalDetailMapBumpiness);
4802		normalMap = blendNormals(normalMap, normalDetailMap);
4803	#endif
4804	dNormalW = normalize(dTBN * normalMap);
4805#else
4806	dNormalW = dVertexNormalW;
4807#endif
4808}
4809`,IL=`
4810uniform float material_opacity;
4811uniform float material_alphaDitherScale;
4812void getOpacity() {
4813	dAlpha = material_opacity;
4814	#ifdef STD_OPACITY_TEXTURE
4815	dAlpha *= texture2DBias({STD_OPACITY_TEXTURE_NAME}, {STD_OPACITY_TEXTURE_UV}, textureBias).{STD_OPACITY_TEXTURE_CHANNEL};
4816	#endif
4817	#ifdef STD_OPACITY_VERTEX
4818	dAlpha *= clamp(vVertexColor.{STD_OPACITY_VERTEX_CHANNEL}, 0.0, 1.0);
4819	#endif
4820}
4821`,DL=`
4822#if STD_OPACITY_DITHER == BAYER8
4823	#include "bayerPS"
4824#endif
4825uniform vec4 blueNoiseJitter;
4826#if STD_OPACITY_DITHER == BLUENOISE
4827	uniform sampler2D blueNoiseTex32;
4828#endif
4829void opacityDither(float alpha, float id) {
4830	if (alpha <= 0.0)
4831		discard;
4832	if (alpha >= 1.0)
4833		return;
4834	#if STD_OPACITY_DITHER == BAYER8
4835		float noise = bayer8(floor(mod(gl_FragCoord.xy + blueNoiseJitter.xy + id, 8.0)

4835)) / 64.0;
4836	#else
4837		#if STD_OPACITY_DITHER == BLUENOISE
4838			vec2 uv = fract(gl_FragCoord.xy / 32.0 + blueNoiseJitter.xy + id);
4839			float noise = texture2DLod(blueNoiseTex32, uv, 0.0).y;
4840		#endif
4841		#if STD_OPACITY_DITHER == IGNNOISE
4842			vec3 magic = vec3(0.06711056, 0.00583715, 52.9829189);
4843			float noise = fract(magic.z * fract(dot(gl_FragCoord.xy + blueNoiseJitter.xy + id, magic.xy)));
4844		#endif
4845	#endif
4846	noise = pow(noise, 2.2);
4847	if (alpha < noise)
4848		discard;
4849}
4850`,ML=`
4851`,RL=`
4852#if LIT_BLEND_TYPE == NORMAL || LIT_BLEND_TYPE == ADDITIVEALPHA || defined(LIT_ALPHA_TO_COVERAGE)
4853	gl_FragColor.a = litArgs_opacity;
4854#elif LIT_BLEND_TYPE == PREMULTIPLIED
4855	gl_FragColor.rgb *= litArgs_opacity;
4856	gl_FragColor.a = litArgs_opacity;
4857#else
4858	gl_FragColor.a = 1.0;
4859#endif
4860`,LL=`
4861varying vec2 vUv0;
4862uniform sampler2D source;
4863void main(void) {
4864	gl_FragColor = texture2D(source, vUv0);
4865}
4866`,FL=`
4867uniform vec3 material_sheen;
4868void getSheen() {
4869	vec3 sheenColor = material_sheen;
4870	#ifdef STD_SHEEN_TEXTURE
4871	sheenColor *= {STD_SHEEN_TEXTURE_DECODE}(texture2DBias({STD_SHEEN_TEXTURE_NAME}, {STD_SHEEN_TEXTURE_UV}, textureBias)).{STD_SHEEN_TEXTURE_CHANNEL};
4872	#endif
4873	#ifdef STD_SHEEN_VERTEX
4874	sheenColor *= saturate(vVertexColor.{STD_SHEEN_VERTEX_CHANNEL});
4875	#endif
4876	sSpecularity = sheenColor;
4877}
4878`,OL=`
4879uniform float material_sheenGloss;
4880void getSheenGlossiness() {
4881	float sheenGlossiness = material_sheenGloss;
4882	#ifdef STD_SHEENGLOSS_TEXTURE
4883	sheenGlossiness *= texture2DBias({STD_SHEENGLOSS_TEXTURE_NAME}, {STD_SHEENGLOSS_TEXTURE_UV}, textureBias).{STD_SHEENGLOSS_TEXTURE_CHANNEL};
4884	#endif
4885	#ifdef STD_SHEENGLOSS_VERTEX
4886	sheenGlossiness *= saturate(vVertexColor.{STD_SHEENGLOSS_VERTEX_CHANNEL});
4887	#endif
4888	#ifdef STD_SHEENGLOSS_INVERT
4889	sheenGlossiness = 1.0 - sheenGlossiness;
4890	#endif
4891	sGlossiness = sheenGlossiness + 0.0000001;
4892}
4893`,BL=`
4894uniform float material_heightMapFactor;
4895void getParallax() {
4896	float parallaxScale = material_heightMapFactor;
4897	float height = texture2DBias({STD_HEIGHT_TEXTURE_NAME}, {STD_HEIGHT_TEXTURE_UV}, textureBias).{STD_HEIGHT_TEXTURE_CHANNEL};
4898	height = height * parallaxScale - parallaxScale * 0.5;
4899	vec3 viewDirT = dViewDirW * dTBN;
4900	viewDirT.z += 0.42;
4901	dUvOffset = height * (viewDirT.xy / viewDirT.z);
4902}
4903`,NL=`
4904vec4 encodePickOutput(uint id) {
4905	const vec4 inv = vec4(1.0 / 255.0);
4906	const uvec4 shifts = uvec4(16, 8, 0, 24);
4907	uvec4 col = (uvec4(id) >> shifts) & uvec4(0xff);
4908	return vec4(col) * inv;
4909}
4910#ifndef PICK_CUSTOM_ID
4911	uniform uint meshInstanceId;
4912	vec4 getPickOutput() {
4913		return encodePickOutput(meshInstanceId);
4914	}
4915#endif
4916#ifdef DEPTH_PICK_PASS
4917	#include "floatAsUintPS"
4918	#ifndef CAMERAPLANES
4919		#define CAMERAPLANES
4920		uniform vec4 camera_params;
4921	#endif
4922	vec4 getPickDepth() {
4923		float linearDepth;
4924		if (camera_params.w > 0.5) {
4925			linearDepth = gl_FragCoord.z;
4926		} else {
4927			float viewDist = 1.0 / gl_FragCoord.w;
4928			linearDepth = (viewDist - camera_params.z) / (camera_params.y - camera_params.z);
4929		}
4930		return float2uint(linearDepth);
4931	}
4932#endif
4933`,kL=`
4934void getReflDir(vec3 worldNormal, vec3 viewDir, float gloss, mat3 tbn) {
4935	dReflDirW = normalize(-reflect(viewDir, worldNormal));
4936}
4937`,UL=`
4938void getReflDir(vec3 worldNormal, vec3 viewDir, float gloss, mat3 tbn) {
4939	float roughness = sqrt(1.0 - min(gloss, 1.0));
4940	vec2 direction = dAnisotropyRotation;
4941	vec3 anisotropicT = normalize(tbn * vec3(direction, 0.0));
4942	vec3 anisotropicB = normalize(cross(tbn[2], anisotropicT));
4943	float anisotropy = dAnisotropy;
4944	vec3 anisotropicDirection = anisotropicB;
4945	vec3 anisotropicTangent = cross(anisotropicDirection, viewDir);
4946	vec3 anisotropicNormal = cross(anisotropicTangent, anisotropicDirection);
4947	float bendFactor = 1.0 - anisotropy * (1.0 - roughness);
4948	float bendFactor4 = bendFactor * bendFactor * bendFactor * bendFactor;
4949	vec3 bentNormal = normalize(mix(normalize(anisotropicNormal), normalize(worldNormal), bendFactor4));
4950	dReflDirW = reflect(-viewDir, bentNormal);
4951}
4952`,zL=`
4953#ifdef LIT_CLEARCOAT
4954void addReflectionCC(vec3 reflDir, float gloss) {
4955	ccReflection += calcReflection(reflDir, gloss);
4956}
4957#endif
4958`,VL=`
4959uniform samplerCube texture_cubeMap;
4960uniform float material_reflectivity;
4961vec3 calcReflection(vec3 reflDir, float gloss) {
4962	vec3 lookupVec = cubeMapProject(reflDir);
4963	lookupVec.x *= -1.0;
4964	return {reflectionDecode}(textureCube(texture_cubeMap, lookupVec));
4965}
4966void addReflection(vec3 reflDir, float gloss) {   
4967	dReflection += vec4(calcReflection(reflDir, gloss), material_reflectivity);
4968}
4969`,GL=`
4970#ifndef ENV_ATLAS
4971	#define ENV_ATLAS
4972	uniform sampler2D texture_envAtlas;
4973#endif
4974uniform samplerCube texture_cubeMap;
4975uniform float material_reflectivity;
4976vec3 calcReflection(vec3 reflDir, float gloss) {
4977	vec3 dir = cubeMapProject(reflDir) * vec3(-1.0, 1.0, 1.0);
4978	vec2 uv = toSphericalUv(dir);

4979	float level = saturate(1.0 - gloss) * 5.0;
4980	float ilevel = floor(level);
4981	float flevel = level - ilevel;
4982	vec3 sharp = {reflectionCubemapDecode}(textureCube(texture_cubeMap, dir));
4983	vec3 roughA = {reflectionDecode}(texture2D(texture_envAtlas, mapRoughnessUv(uv, ilevel)));
4984	vec3 roughB = {reflectionDecode}(texture2D(texture_envAtlas, mapRoughnessUv(uv, ilevel + 1.0)));
4985	return processEnvironment(mix(sharp, mix(roughA, roughB, flevel), min(level, 1.0)));
4986}
4987void addReflection(vec3 reflDir, float gloss) {   
4988	dReflection += vec4(calcReflection(reflDir, gloss), material_reflectivity);
4989}
4990`,HL=`
4991#ifndef ENV_ATLAS
4992#define ENV_ATLAS
4993	uniform sampler2D texture_envAtlas;
4994#endif
4995uniform float material_reflectivity;
4996float shinyMipLevel(vec2 uv) {
4997	vec2 dx = dFdx(uv);
4998	vec2 dy = dFdy(uv);
4999	vec2 uv2 = vec2(fract(uv.x + 0.5), uv.y);
5000	vec2 dx2 = dFdx(uv2);
5001	vec2 dy2 = dFdy(uv2);
5002	float maxd = min(max(dot(dx, dx), dot(dy, dy)), max(dot(dx2, dx2), dot(dy2, dy2)));
5003	return clamp(0.5 * log2(maxd) - 1.0 + textureBias, 0.0, 5.0);
5004}
5005vec3 calcReflection(vec3 reflDir, float gloss) {
5006	vec3 dir = cubeMapProject(reflDir) * vec3(-1.0, 1.0, 1.0);
5007	vec2 uv = toSphericalUv(dir);
5008	float level = saturate(1.0 - gloss) * 5.0;
5009	float ilevel = floor(level);
5010	float level2 = shinyMipLevel(uv * atlasSize);
5011	float ilevel2 = floor(level2);
5012	vec2 uv0, uv1;
5013	float weight;
5014	if (ilevel == 0.0) {
5015		uv0 = mapShinyUv(uv, ilevel2);
5016		uv1 = mapShinyUv(uv, ilevel2 + 1.0);
5017		weight = level2 - ilevel2;
5018	} else {
5019		uv0 = uv1 = mapRoughnessUv(uv, ilevel);
5020		weight = 0.0;
5021	}
5022	vec3 linearA = {reflectionDecode}(texture2D(texture_envAtlas, uv0));
5023	vec3 linearB = {reflectionDecode}(texture2D(texture_envAtlas, uv1));
5024	vec3 linear0 = mix(linearA, linearB, weight);
5025	vec3 linear1 = {reflectionDecode}(texture2D(texture_envAtlas, mapRoughnessUv(uv, ilevel + 1.0)));
5026	return processEnvironment(mix(linear0, linear1, level - ilevel));
5027}
5028void addReflection(vec3 reflDir, float gloss) {   
5029	dReflection += vec4(calcReflection(reflDir, gloss), material_reflectivity);
5030}
5031`,WL=`
5032#ifndef VIEWMATRIX
5033	#define VIEWMATRIX
5034	uniform mat4 matrix_view;
5035#endif
5036uniform sampler2D texture_sphereMap;
5037uniform float material_reflectivity;
5038vec3 calcReflection(vec3 reflDir, float gloss) {
5039	vec3 reflDirV = (mat3(matrix_view) * reflDir);
5040	float m = 2.0 * sqrt(dot(reflDirV.xy, reflDirV.xy) + (reflDirV.z + 1.0) * (reflDirV.z + 1.0));
5041	vec2 sphereMapUv = reflDirV.xy / m + 0.5;
5042	return {reflectionDecode}(texture2D(texture_sphereMap, sphereMapUv));
5043}
5044void addReflection(vec3 reflDir, float gloss) {   
5045	dReflection += vec4(calcReflection(reflDir, gloss), material_reflectivity);
5046}
5047`,XL=`
5048void addReflectionSheen(vec3 worldNormal, vec3 viewDir, float gloss) {
5049	float NoV = dot(worldNormal, viewDir);
5050	float alphaG = gloss * gloss;
5051	float a = gloss < 0.25 ? -339.2 * alphaG + 161.4 * gloss - 25.9 : -8.48 * alphaG + 14.3 * gloss - 9.95;
5052	float b = gloss < 0.25 ? 44.0 * alphaG - 23.7 * gloss + 3.26 : 1.97 * alphaG - 3.27 * gloss + 0.72;
5053	float DG = exp( a * NoV + b ) + ( gloss < 0.25 ? 0.0 : 0.1 * ( gloss - 0.25 ) );
5054	sReflection += calcReflection(worldNormal, 0.0) * saturate(DG);
5055}
5056`,YL=`
5057vec3 refract2(vec3 viewVec, vec3 normal, float IOR) {
5058	float vn = dot(viewVec, normal);
5059	float k = 1.0 - IOR * IOR * (1.0 - vn * vn);
5060	vec3 refrVec = IOR * viewVec - (IOR * vn + sqrt(k)) * normal;
5061	return refrVec;
5062}
5063void addRefraction(
5064	vec3 worldNormal, 
5065	vec3 viewDir, 
5066	float thickness, 
5067	float gloss, 
5068	vec3 specularity, 
5069	vec3 albedo, 
5070	float transmission,
5071	float refractionIndex,
5072	float dispersion
5073#if defined(LIT_IRIDESCENCE)
5074	, vec3 iridescenceFresnel,
5075	float iridescenceIntensity
5076#endif 
5077) {
5078	vec4 tmpRefl = dReflection;
5079	vec3 reflectionDir = refract2(-viewDir, worldNormal, refractionIndex);
5080	dReflection = vec4(0);
5081	addReflection(reflectionDir, gloss);
5082	dDiffuseLight = mix(dDiffuseLight, dReflection.rgb * albedo, transmission);
5083	dReflection = tmpRefl;
5084}
5085`,jL=`
5086uniform float material_invAttenuationDistance;
5087uniform vec3 material_attenuation;
5088vec3 evalRefractionColor(vec3 refractionVector, float gloss, float refractionIndex) {
5089	vec4 pointOfRefraction = vec4(vPositionW + refractionVector, 1.0);
5090	vec4 projectionPoint = matrix_viewProjection * pointOfRefraction;
5091	vec2 uv = getGrabScreenPos(projectionPoint);
5092	float iorToRoughness = (1.0 - gloss) * clamp((1.0 / refractionIndex) * 2.0 - 2.0, 0.0, 1.0);
5093	float refractionLod = log2(uScreenSize.x) * iorToRoughness;
5094	vec3 refraction = texture2DLod(uSceneColorMap, uv, refractionLod).rgb;
5095	#ifdef SCENE_COLORMAP_GAMMA
5096		refraction = decodeGamma(refraction);
5097	#endif
5098	return refraction;
5099}
5100void addRefraction(
5101	vec3 worldNormal, 
5102	vec3 viewDir, 
5103	float thickness, 
5104	float gloss, 
5105	vec3 specularity, 
5106	vec3 albedo, 
5107	float transmission,

5108	float refractionIndex,
5109	float dispersion
5110#if defined(LIT_IRIDESCENCE)
5111	, vec3 iridescenceFresnel,
5112	float iridescenceIntensity
5113#endif
5114) {
5115	vec3 modelScale;
5116	modelScale.x = length(vec3(matrix_model[0].xyz));
5117	modelScale.y = length(vec3(matrix_model[1].xyz));
5118	modelScale.z = length(vec3(matrix_model[2].xyz));
5119	vec3 scale = thickness * modelScale;
5120	vec3 refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndex)) * scale;
5121	vec3 refraction = evalRefractionColor(refractionVector, gloss, refractionIndex);
5122	#ifdef LIT_DISPERSION
5123		float halfSpread = (1.0 / refractionIndex - 1.0) * 0.025 * dispersion;
5124		float refractionIndexR = refractionIndex - halfSpread;
5125		refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndexR)) * scale;
5126		refraction.r = evalRefractionColor(refractionVector, gloss, refractionIndexR).r;
5127		float refractionIndexB = refractionIndex + halfSpread;
5128		refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndexB)) * scale;
5129		refraction.b = evalRefractionColor(refractionVector, gloss, refractionIndexB).b;
5130	#endif
5131	vec3 transmittance;
5132	if (material_invAttenuationDistance != 0.0)
5133	{
5134		vec3 attenuation = -log(material_attenuation) * material_invAttenuationDistance;
5135		transmittance = exp(-attenuation * length(refractionVector));
5136	}
5137	else
5138	{
5139		transmittance = vec3(1.0);
5140	}
5141	vec3 fresnel = vec3(1.0) - 
5142		getFresnel(
5143			dot(viewDir, worldNormal), 
5144			gloss, 
5145			specularity
5146		#if defined(LIT_IRIDESCENCE)
5147			, iridescenceFresnel,
5148			iridescenceIntensity
5149		#endif
5150		);
5151	dDiffuseLight = mix(dDiffuseLight, refraction * transmittance * fresnel, transmission);
5152}
5153`,qL=`
5154varying vec2 vUv0;
5155#ifdef CUBEMAP_SOURCE
5156	uniform samplerCube sourceCube;
5157#else
5158	uniform sampler2D sourceTex;
5159#endif
5160#ifdef USE_SAMPLES_TEX
5161	uniform sampler2D samplesTex;
5162	uniform vec2 samplesTexInverseSize;
5163#endif
5164uniform vec3 params;
5165float targetFace() { return params.x; }
5166float targetTotalPixels() { return params.y; }
5167float sourceTotalPixels() { return params.z; }
5168float PI = 3.141592653589793;
5169float saturate(float x) {
5170	return clamp(x, 0.0, 1.0);
5171}
5172#include "decodePS"
5173#include "encodePS"
5174vec3 modifySeams(vec3 dir, float scale) {
5175	vec3 adir = abs(dir);
5176	float M = max(max(adir.x, adir.y), adir.z);
5177	return dir / M * vec3(
5178		adir.x == M ? 1.0 : scale,
5179		adir.y == M ? 1.0 : scale,
5180		adir.z == M ? 1.0 : scale
5181	);
5182}
5183vec2 toSpherical(vec3 dir) {
5184	return vec2(dir.xz == vec2(0.0) ? 0.0 : atan(dir.x, dir.z), asin(dir.y));
5185}
5186vec3 fromSpherical(vec2 uv) {
5187	return vec3(cos(uv.y) * sin(uv.x),
5188				sin(uv.y),
5189				cos(uv.y) * cos(uv.x));
5190}
5191vec3 getDirectionEquirect() {
5192	return fromSpherical((vec2(vUv0.x, 1.0 - vUv0.y) * 2.0 - 1.0) * vec2(PI, PI * 0.5));
5193}
5194float signNotZero(float k){
5195	return(k >= 0.0) ? 1.0 : -1.0;
5196}
5197vec2 signNotZero(vec2 v) {
5198	return vec2(signNotZero(v.x), signNotZero(v.y));
5199}
5200vec3 octDecode(vec2 o) {
5201	vec3 v = vec3(o.x, 1.0 - abs(o.x) - abs(o.y), o.y);
5202	if (v.y < 0.0) {
5203		v.xz = (1.0 - abs(v.zx)) * signNotZero(v.xz);
5204	}
5205	return normalize(v);
5206}
5207vec3 getDirectionOctahedral() {
5208	return octDecode(vec2(vUv0.x, 1.0 - vUv0.y) * 2.0 - 1.0);
5209}
5210vec2 octEncode(in vec3 v) {
5211	float l1norm = abs(v.x) + abs(v.y) + abs(v.z);
5212	vec2 result = v.xz * (1.0 / l1norm);
5213	if (v.y < 0.0) {
5214		result = (1.0 - abs(result.yx)) * signNotZero(result.xy);
5215	}
5216	return result;
5217}
5218#ifdef CUBEMAP_SOURCE
5219	vec4 sampleCubemap(vec3 dir) {
5220		return textureCube(sourceCube, modifySeams(dir, 1.0));
5221	}
5222	vec4 sampleCubemap(vec2 sph) {
5223		return sampleCubemap(fromSpherical(sph));
5224	}
5225	vec4 sampleCubemap(vec3 dir, float mipLevel) {
5226		return textureCubeLod(sourceCube, modifySeams(dir, 1.0), mipLevel);
5227	}
5228	vec4 sampleCubemap(vec2 sph, float mipLevel) {
5229		return sampleCubemap(fromSpherical(sph), mipLevel);
5230	}
5231#else
5232	vec4 sampleEquirect(vec2 sph) {
5233		vec2 uv = sph / vec2(PI * 2.0, PI) + 0.5;
5234		return texture2D(sourceTex, vec2(uv.x, 1.0 - uv.y));
5235	}
5236	vec4 sampleEquirect(vec3 dir) {
5237		return sampleEquirect(toSpherical(dir));
5238	}
5239	vec4 sampleEquirect(vec2 sph, float mipLevel) {
5240		vec2 uv = sph / vec2(PI * 2.0, PI) + 0.5;
5241		return texture2DLod(sourceTex, vec2(uv.x, 1.0 - uv.y), mipLevel);
5242	}
5243	vec4 sampleEquirect(vec3 dir, float mipLevel) {
5244		return sampleEquirect(toSpherical(dir), mipLevel);
5245	}
5246	vec4 sampleOctahedral(vec3 dir) {
5247		vec2 uv = octEncode(dir) * 0.5 + 0.5;
5248		return texture2D(sourceTex, vec2(uv.x, 1.0 - uv.y));
5249	}
5250	vec4 sampleOctahedral(vec2 sph) {
5251		return sampleOctahedral(fromSpherical(sph));
5252	}
5253	vec4 sampleOctahedral(vec3 dir, float mipLevel) {
5254		vec2 uv = octEncode(dir) * 0.5 + 0.5;
5255		return texture2DLod(sourceTex, vec2(uv.x, 1.0 - uv.y), mipLevel);
5256	}
5257	vec4 sampleOctahedral(vec2 sph, float mipLevel) {
5258		return sampleOctahedral(fromSpherical(sph), mipLevel);
5259	}
5260#endif
5261vec3 getDirectionCubemap() {
5262	vec2 st = vUv0 * 2.0 - 1.0;
5263	float face = targetFace();
5264	vec3 vec;
5265	if (face == 0.0) {
5266		vec = vec3(1, -st.y, -st.x);
5267	} else if (face == 1.0) {
5268		vec = vec3(-1, -st.y, st.x);
5269	} else if (face == 2.0) {
5270		vec = vec3(st.x, 1, st.y);
5271	} else if (face == 3.0) {
5272		vec = vec3(st.x, -1, -st.y);
5273	} else if (face == 4.0) {
5274		vec = vec3(st.x, -st.y, 1);
5275	} else {
5276		vec = vec3(-st.x, -st.y, -1);
5277	}
5278	return normalize(modifySeams(vec, 1.0));
5279}
5280mat3 matrixFromVector(vec3 n) {
5281	float a = 1.0 / (1.0 + n.z);
5282	float b = -n.x * n.y * a;
5283	vec3 b1 = vec3(1.0 - n.x * n.x * a, b, -n.x);
5284	vec3 b2 = vec3(b, 1.0 - n.y * n.y * a, -n.y);
5285	return mat3(b1, b2, n);
5286}
5287mat3 matrixFromVectorSlow(vec3 n) {
5288	vec3 up = (1.0 - abs(n.y) <= 0.0000001) ? vec3(0.0, 0.0, n.y > 0.0 ? 1.0 : -1.0) : vec3(0.0, 1.0, 0.0);
5289	vec3 x = normalize(cross(up, n));
5290	vec3 y = cross(n, x);
5291	return mat3(x, y, n);
5292}
5293vec4 reproject() {
5294	if ({NUM_SAMPLES} <= 1) {
5295		return {ENCODE_FUNC}({DECODE_FUNC}({SOURCE_FUNC}({TARGET_FUNC}())));
5296	} else {
5297		vec3 t = {TARGET_FUNC}();
5298		vec3 tu = dFdx(t);
5299		vec3 tv = dFdy(t);
5300		vec3 result = vec3(0.0);
5301		for (float u = 0.0; u < {NUM_SAMPLES_SQRT}; ++u) {
5302			for (float v = 0.0; v < {NUM_SAMPLES_SQRT}; ++v) {
5303				result += {DECODE_FUNC}({SOURCE_FUNC}(normalize(t +
5304															tu * (u / {NUM_SAMPLES_SQRT} - 0.5) +
5305															tv * (v / {NUM_SAMPLES_SQRT} - 0.5))));
5306			}
5307		}
5308		return {ENCODE_FUNC}(result / ({NUM_SAMPLES_SQRT} * {NUM_SAMPLES_SQRT}));
5309	}
5310}
5311vec4 unpackFloat = vec4(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 16581375.0);
5312#ifdef USE_SAMPLES_TEX
5313	void unpackSample(int i, out vec3 L, out float mipLevel) {
5314		float u = (float(i * 4) + 0.5) * samplesTexInverseSize.x;
5315		float v = (floor(u) + 0.5) * samplesTexInverseSize.y;
5316		vec4 raw;
5317		raw.x = dot(texture2D(samplesTex, vec2(u, v)), unpackFloat); u += samplesTexInverseSize.x;

5318		raw.y = dot(texture2D(samplesTex, vec2(u, v)), unpackFloat); u += samplesTexInverseSize.x;
5319		raw.z = dot(texture2D(samplesTex, vec2(u, v)), unpackFloat); u += samplesTexInverseSize.x;
5320		raw.w = dot(texture2D(samplesTex, vec2(u, v)), unpackFloat);
5321		L.xyz = raw.xyz * 2.0 - 1.0;
5322		mipLevel = raw.w * 8.0;
5323	}
5324	vec4 prefilterSamples() {
5325		mat3 vecSpace = matrixFromVectorSlow({TARGET_FUNC}());
5326		vec3 L;
5327		float mipLevel;
5328		vec3 result = vec3(0.0);
5329		float totalWeight = 0.0;
5330		for (int i = 0; i < {NUM_SAMPLES}; ++i) {
5331			unpackSample(i, L, mipLevel);
5332			result += {DECODE_FUNC}({SOURCE_FUNC}(vecSpace * L, mipLevel)) * L.z;
5333			totalWeight += L.z;
5334		}
5335		return {ENCODE_FUNC}(result / totalWeight);
5336	}
5337	vec4 prefilterSamplesUnweighted() {
5338		mat3 vecSpace = matrixFromVectorSlow({TARGET_FUNC}());
5339		vec3 L;
5340		float mipLevel;
5341		vec3 result = vec3(0.0);
5342		float totalWeight = 0.0;
5343		for (int i = 0; i < {NUM_SAMPLES}; ++i) {
5344			unpackSample(i, L, mipLevel);
5345			result += {DECODE_FUNC}({SOURCE_FUNC}(vecSpace * L, mipLevel));
5346		}
5347		return {ENCODE_FUNC}(result / float({NUM_SAMPLES}));
5348	}
5349#endif
5350void main(void) {
5351	gl_FragColor = {PROCESS_FUNC}();
5352}
5353`,$L=`
5354attribute vec2 vertex_position;
5355uniform vec4 uvMod;
5356varying vec2 vUv0;
5357void main(void) {
5358	gl_Position = vec4(vertex_position, 0.5, 1.0);
5359	vUv0 = getImageEffectUV((vertex_position.xy * 0.5 + 0.5) * uvMod.xy + uvMod.zw);
5360}
5361`,KL=`
5362uniform highp sampler2D uSceneDepthMap;
5363#ifndef SCREENSIZE
5364	#define SCREENSIZE
5365	uniform vec4 uScreenSize;
5366#endif
5367#ifndef VIEWMATRIX
5368	#define VIEWMATRIX
5369	uniform mat4 matrix_view;
5370#endif
5371#ifndef LINEARIZE_DEPTH
5372	#define LINEARIZE_DEPTH
5373	
5374	#ifndef CAMERAPLANES
5375		#define CAMERAPLANES
5376		uniform vec4 camera_params;
5377	#endif
5378	float linearizeDepth(float z) {
5379		if (camera_params.w == 0.0)
5380			return (camera_params.z * camera_params.y) / (camera_params.y + z * (camera_params.z - camera_params.y));
5381		else
5382			return camera_params.z + z * (camera_params.y - camera_params.z);
5383	}
5384#endif
5385float delinearizeDepth(float linearDepth) {
5386	if (camera_params.w == 0.0) {
5387		return (camera_params.y * (camera_params.z - linearDepth)) / (linearDepth * (camera_params.z - camera_params.y));
5388	} else {
5389		return (linearDepth - camera_params.z) / (camera_params.y - camera_params.z);
5390	}
5391}
5392float getLinearScreenDepth(vec2 uv) {
5393	#ifdef SCENE_DEPTHMAP_LINEAR
5394		#ifdef SCENE_DEPTHMAP_FLOAT
5395			return texture2D(uSceneDepthMap, uv).r;
5396		#else
5397			ivec2 textureSize = textureSize(uSceneDepthMap, 0);
5398			ivec2 texel = ivec2(uv * vec2(textureSize));
5399			vec4 data = texelFetch(uSceneDepthMap, texel, 0);
5400			uint intBits = 
5401				(uint(data.r * 255.0) << 24u) |
5402				(uint(data.g * 255.0) << 16u) |
5403				(uint(data.b * 255.0) << 8u) |
5404				uint(data.a * 255.0);
5405			return uintBitsToFloat(intBits);
5406		#endif
5407	#else
5408		return linearizeDepth(texture2D(uSceneDepthMap, uv).r);
5409	#endif
5410}
5411#ifndef VERTEXSHADER
5412	float getLinearScreenDepth() {
5413		vec2 uv = gl_FragCoord.xy * uScreenSize.zw;
5414		return getLinearScreenDepth(uv);
5415	}
5416#endif
5417float getLinearDepth(vec3 pos) {
5418	return -(matrix_view * vec4(pos, 1.0)).z;
5419}
5420`,ZL=`
5421int getShadowCascadeIndex(vec4 shadowCascadeDistances, int shadowCascadeCount) {
5422	float depth = 1.0 / gl_FragCoord.w;
5423	vec4 comparisons = step(shadowCascadeDistances, vec4(depth));
5424	int cascadeIndex = int(dot(comparisons, vec4(1.0)));
5425	return min(cascadeIndex, shadowCascadeCount - 1);
5426}
5427int ditherShadowCascadeIndex(int cascadeIndex, vec4 shadowCascadeDistances, int shadowCascadeCount, float blendFactor) {
5428 
5429	if (cascadeIndex < shadowCascadeCount - 1) {
5430		float currentRangeEnd = shadowCascadeDistances[cascadeIndex];
5431		float transitionStart = blendFactor * currentRangeEnd;
5432		float depth = 1.0 / gl_FragCoord.w;
5433		if (depth > transitionStart) {
5434			float transitionFactor = smoothstep(transitionStart, currentRangeEnd, depth);
5435			float dither = fract(sin(dot(gl_FragCoord.xy, vec2(12.9898, 78.233))) * 43758.5453);
5436			if (dither < transitionFactor) {
5437				cascadeIndex += 1;
5438			}
5439		}
5440	}
5441	return cascadeIndex;
5442}
5443vec3 fadeShadow(vec3 shadowCoord, vec4 shadowCascadeDistances) {				  
5444	float depth = 1.0 / gl_FragCoord.w;
5445	if (depth > shadowCascadeDistances.w) {
5446		shadowCoord.z = -9999999.0;
5447	}
5448	return shadowCoord;
5449}
5450`,QL=`
5451float linstep(float a, float b, float v) {
5452	return saturate((v - a) / (b - a));
5453}
5454float reduceLightBleeding(float pMax, float amount) {
5455	 return linstep(amount, 1.0, pMax);
5456}
5457float chebyshevUpperBound(vec2 moments, float mean, float minVariance, float lightBleedingReduction) {
5458	float variance = moments.y - (moments.x * moments.x);
5459	variance = max(variance, minVariance);
5460	float d = mean - moments.x;
5461	float pMax = variance / (variance + (d * d));
5462	pMax = reduceLightBleeding(pMax, lightBleedingReduction);
5463	return (mean <= moments.x ? 1.0 : pMax);
5464}
5465float calculateEVSM(vec3 moments, float Z, float vsmBias, float exponent) {
5466	Z = 2.0 * Z - 1.0;
5467	float warpedDepth = exp(exponent * Z);
5468	moments.xy += vec2(warpedDepth, warpedDepth*warpedDepth) * (1.0 - moments.z);
5469	float VSMBias = vsmBias;
5470	float depthScale = VSMBias * exponent * warpedDepth;
5471	float minVariance1 = depthScale * depthScale;
5472	return chebyshevUpperBound(moments.xy, warpedDepth, minVariance1, 0.1);
5473}
5474float VSM16(TEXTURE_ACCEPT(tex), vec2 texCoords, float resolution, float Z, float vsmBias, float exponent) {

5475	vec3 moments = texture2DLod(tex, texCoords, 0.0).xyz;
5476	return calculateEVSM(moments, Z, vsmBias, exponent);
5477}
5478float getShadowVSM16(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, float exponent) {
5479	return VSM16(TEXTURE_PASS(shadowMap), shadowCoord.xy, shadowParams.x, shadowCoord.z, shadowParams.y, exponent);
5480}
5481float getShadowSpotVSM16(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, float exponent, vec3 lightDir) {
5482	return VSM16(TEXTURE_PASS(shadowMap), shadowCoord.xy, shadowParams.x, length(lightDir) * shadowParams.w + shadowParams.z, shadowParams.y, exponent);
5483}
5484float VSM32(TEXTURE_ACCEPT(tex), vec2 texCoords, float resolution, float Z, float vsmBias, float exponent) {
5485	#ifdef CAPS_TEXTURE_FLOAT_FILTERABLE
5486		vec3 moments = texture2DLod(tex, texCoords, 0.0).xyz;
5487	#else
5488		float pixelSize = 1.0 / resolution;
5489		texCoords -= vec2(pixelSize);
5490		vec3 s00 = texture2DLod(tex, texCoords, 0.0).xyz;
5491		vec3 s10 = texture2DLod(tex, texCoords + vec2(pixelSize, 0), 0.0).xyz;
5492		vec3 s01 = texture2DLod(tex, texCoords + vec2(0, pixelSize), 0.0).xyz;
5493		vec3 s11 = texture2DLod(tex, texCoords + vec2(pixelSize), 0.0).xyz;
5494		vec2 fr = fract(texCoords * resolution);
5495		vec3 h0 = mix(s00, s10, fr.x);
5496		vec3 h1 = mix(s01, s11, fr.x);
5497		vec3 moments = mix(h0, h1, fr.y);
5498	#endif
5499	return calculateEVSM(moments, Z, vsmBias, exponent);
5500}
5501float getShadowVSM32(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, float exponent) {
5502	return VSM32(TEXTURE_PASS(shadowMap), shadowCoord.xy, shadowParams.x, shadowCoord.z, shadowParams.y, exponent);
5503}
5504float getShadowSpotVSM32(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, float exponent, vec3 lightDir) {
5505	float Z = length(lightDir) * shadowParams.w + shadowParams.z;
5506	return VSM32(TEXTURE_PASS(shadowMap), shadowCoord.xy, shadowParams.x, Z, shadowParams.y, exponent);
5507}
5508`,JL=`
5509float getShadowPCF1x1(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5510	return textureShadow(shadowMap, shadowCoord);
5511}
5512float getShadowSpotPCF1x1(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5513	return textureShadow(shadowMap, shadowCoord);
5514}
5515#ifndef WEBGPU
5516float getShadowOmniPCF1x1(samplerCubeShadow shadowMap, vec3 shadowCoord, vec4 shadowParams, vec3 lightDir) {
5517	float shadowZ = length(lightDir) * shadowParams.w + shadowParams.z;
5518	return texture(shadowMap, vec4(lightDir, shadowZ));
5519}
5520#endif
5521`,e3=`
5522float _getShadowPCF3x3(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec3 shadowParams) {
5523	float z = shadowCoord.z;
5524	vec2 uv = shadowCoord.xy * shadowParams.x;
5525	float shadowMapSizeInv = 1.0 / shadowParams.x;
5526	vec2 base_uv = floor(uv + 0.5);
5527	float s = (uv.x + 0.5 - base_uv.x);
5528	float t = (uv.y + 0.5 - base_uv.y); 
5529	base_uv -= vec2(0.5);
5530	base_uv *= shadowMapSizeInv;
5531	float sum = 0.0;
5532	float uw0 = (3.0 - 2.0 * s);
5533	float uw1 = (1.0 + 2.0 * s);
5534	float u0 = (2.0 - s) / uw0 - 1.0;
5535	float u1 = s / uw1 + 1.0;
5536	float vw0 = (3.0 - 2.0 * t);
5537	float vw1 = (1.0 + 2.0 * t);
5538	float v0 = (2.0 - t) / vw0 - 1.0;
5539	float v1 = t / vw1 + 1.0;
5540	u0 = u0 * shadowMapSizeInv + base_uv.x;
5541	v0 = v0 * shadowMapSizeInv + base_uv.y;
5542	u1 = u1 * shadowMapSizeInv + base_uv.x;
5543	v1 = v1 * shadowMapSizeInv + base_uv.y;
5544	sum += uw0 * vw0 * textureShadow(shadowMap, vec3(u0, v0, z));
5545	sum += uw1 * vw0 * textureShadow(shadowMap, vec3(u1, v0, z));
5546	sum += uw0 * vw1 * textureShadow(shadowMap, vec3(u0, v1, z));
5547	sum += uw1 * vw1 * textureShadow(shadowMap, vec3(u1, v1, z));
5548	sum *= 1.0f / 16.0;
5549	return sum;
5550}
5551float getShadowPCF3x3(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5552	return _getShadowPCF3x3(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);
5553}
5554float getShadowSpotPCF3x3(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5555	return _getShadowPCF3x3(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);
5556}
5557#ifndef WEBGPU
5558float getShadowOmniPCF3x3(samplerCubeShadow shadowMap, vec4 shadowParams, vec3 dir) {
5559	
5560	float shadowZ = length(dir) * shadowParams.w + shadowParams.z;
5561	float z = 1.0 / float(textureSize(shadowMap, 0));
5562	vec3 tc = normalize(dir);
5563	mediump vec4 shadows;
5564	shadows.x = texture(shadowMap, vec4(tc + vec3( z, z, z), shadowZ));
5565	shadows.y = texture(shadowMap, vec4(tc + vec3(-z,-z, z), shadowZ));
5566	shadows.z = texture(shadowMap, vec4(tc + vec3(-z, z,-z), shadowZ));
5567	shadows.w = texture(shadowMap, vec4(tc + vec3( z,-z,-z), shadowZ));
5568	return dot(shadows, vec4(0.25));
5569}
5570float getShadowOmniPCF3x3(samplerCubeShadow shadowMap, vec3 shadowCoord, vec4 shadowParams, vec3 lightDir) {
5571	return getShadowOmniPCF3x3(shadowMap, shadowParams, lightDir);
5572}
5573#endif
5574`,t3=`
5575float _getShadowPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec3 shadowParams) {
5576	float z = shadowCoord.z;
5577	vec2 uv = shadowCoord.xy * shadowParams.x;
5578	float shadowMapSizeInv = 1.0 / shadowParams.x;
5579	vec2 base_uv = floor(uv + 0.5);
5580	float s = (uv.x + 0.5 - base_uv.x);
5581	float t = (uv.y + 0.5 - base_uv.y);
5582	base_uv -= vec2(0.5);
5583	base_uv *= shadowMapSizeInv;
5584	float uw0 = (4.0 - 3.0 * s);
5585	float uw1 = 7.0;
5586	float uw2 = (1.0 + 3.0 * s);
5587	float u0 = (3.0 - 2.0 * s) / uw0 - 2.0;
5588	float u1 = (3.0 + s) / uw1;
5589	float u2 = s / uw2 + 2.0;
5590	float vw0 = (4.0 - 3.0 * t);
5591	float vw1 = 7.0;
5592	float vw2 = (1.0 + 3.0 * t);
5593	float v0 = (3.0 - 2.0 * t) / vw0 - 2.0;
5594	float v1 = (3.0 + t) / vw1;
5595	float v2 = t / vw2 + 2.0;
5596	float sum = 0.0;
5597	u0 = u0 * shadowMapSizeInv + base_uv.x;
5598	v0 = v0 * shadowMapSizeInv + base_uv.y;
5599	u1 = u1 * shadowMapSizeInv + base_uv.x;
5600	v1 = v1 * shadowMapSizeInv + base_uv.y;
5601	u2 = u2 * shadowMapSizeInv + base_uv.x;
5602	v2 = v2 * shadowMapSizeInv + base_uv.y;
5603	sum += uw0 * vw0 * textureShadow(shadowMap, vec3(u0, v0, z));
5604	sum += uw1 * vw0 * textureShadow(shadowMap, vec3(u1, v0, z));
5605	sum += uw2 * vw0 * textureShadow(shadowMap, vec3(u2, v0, z));
5606	sum += uw0 * vw1 * textureShadow(shadowMap, vec3(u0, v1, z));
5607	sum += uw1 * vw1 * textureShadow(shadowMap, vec3(u1, v1, z));
5608	sum += uw2 * vw1 * textureShadow(shadowMap, vec3(u2, v1, z));
5609	sum += uw0 * vw2 * textureShadow(shadowMap, vec3(u0, v2, z));
5610	sum += uw1 * vw2 * textureShadow(shadowMap, vec3(u1, v2, z));
5611	sum += uw2 * vw2 * textureShadow(shadowMap, vec3(u2, v2, z));
5612	sum *= 1.0f / 144.0;
5613	sum = saturate(sum);
5614	return sum;
5615}
5616float getShadowPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5617	return _getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);
5618}
5619float getShadowSpotPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {
5620	return _getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);
5621}
5622`,s3=`
5623#define PCSS_SAMPLE_COUNT 16
5624uniform float pcssDiskSamples[PCSS_SAMPLE_COUNT];
5625uniform float pcssSphereSamples[PCSS_SAMPLE_COUNT];
5626vec2 vogelDisk(int sampleIndex, float count, float phi, float r) {
5627	const float GoldenAngle = 2.4;
5628	float theta = float(sampleIndex) * GoldenAngle + phi;
5629	float sine = sin(theta);
5630	float cosine = cos(theta);
5631	return vec2(r * cosine, r * sine);
5632}
5633vec3 vogelSphere(int sampleIndex, float count, float phi, float r) {
5634	const float GoldenAngle = 2.4;
5635	float theta = float(sampleIndex) * GoldenAngle + phi;
5636	float weight = float(sampleIndex) / count;
5637	return vec3(cos(theta) * r, weight, sin(theta) * r);
5638}
5639float noise(vec2 screenPos) {
5640	const float PHI = 1.61803398874989484820459;
5641	return fract(sin(dot(screenPos * PHI, screenPos)) * screenPos.x);
5642}
5643float viewSpaceDepth(float depth, mat4 invProjection) {
5644	float z = depth * 2.0 - 1.0;
5645	vec4 clipSpace = vec4(0.0, 0.0, z, 1.0);
5646	vec4 viewSpace = invProjection * clipSpace;
5647	return viewSpace.z;
5648}
5649float PCSSBlockerDistance(TEXTURE_ACCEPT(shadowMap), vec2 sampleCoords[PCSS_SAMPLE_COUNT], vec2 shadowCoords, vec2 searchSize, float z, vec4 cameraParams) {
5650	float blockers = 0.0;
5651	float averageBlocker = 0.0;
5652	for (int i = 0; i < PCSS_SAMPLE_COUNT; i++) {

5653		vec2 offset = sampleCoords[i] * searchSize;
5654		vec2 sampleUV = shadowCoords + offset;
5655		float blocker = texture2DLod(shadowMap, sampleUV, 0.0).r;
5656		float isBlocking = step(blocker, z);
5657		blockers += isBlocking;
5658		averageBlocker += blocker * isBlocking;
5659	}
5660	if (blockers > 0.0)
5661		return averageBlocker / blockers;
5662	return -1.0;
5663}
5664float PCSS(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoords, vec4 cameraParams, vec2 shadowSearchArea) {
5665	float receiverDepth = linearizeDepthWithParams(shadowCoords.z, cameraParams);
5666	vec2 samplePoints[PCSS_SAMPLE_COUNT];
5667	const float PI = 3.141592653589793;
5668	float noise = noise( gl_FragCoord.xy ) * 2.0 * PI;
5669	for (int i = 0; i < PCSS_SAMPLE_COUNT; i++) {
5670		float pcssPresample = pcssDiskSamples[i];
5671		samplePoints[i] = vogelDisk(i, float(PCSS_SAMPLE_COUNT), noise, pcssPresample);
5672	}
5673	float averageBlocker = PCSSBlockerDistance(TEXTURE_PASS(shadowMap), samplePoints, shadowCoords.xy, shadowSearchArea, receiverDepth, cameraParams);
5674	if (averageBlocker == -1.0) {
5675		return 1.0;
5676	} else {
5677		float depthDifference = (receiverDepth - averageBlocker) / 3.0;
5678		vec2 filterRadius = depthDifference * shadowSearchArea;
5679		float shadow = 0.0;
5680		for (int i = 0; i < PCSS_SAMPLE_COUNT; i ++)
5681		{
5682			vec2 sampleUV = samplePoints[i] * filterRadius;
5683			sampleUV = shadowCoords.xy + sampleUV;
5684			float depth = texture2DLod(shadowMap, sampleUV, 0.0).r;
5685			shadow += step(receiverDepth, depth);
5686		}
5687		return shadow / float(PCSS_SAMPLE_COUNT);
5688	} 
5689}
5690#ifndef WEBGPU
5691float PCSSCubeBlockerDistance(samplerCube shadowMap, vec3 lightDirNorm, vec3 samplePoints[PCSS_SAMPLE_COUNT], float z, float shadowSearchArea) {
5692	float blockers = 0.0;
5693	float averageBlocker = 0.0;
5694	for (int i = 0; i < PCSS_SAMPLE_COUNT; i++) {
5695		vec3 sampleDir = lightDirNorm + samplePoints[i] * shadowSearchArea;
5696		sampleDir = normalize(sampleDir);
5697		float blocker = textureCubeLod(shadowMap, sampleDir, 0.0).r;
5698		float isBlocking = step(blocker, z);
5699		blockers += isBlocking;
5700		averageBlocker += blocker * isBlocking;
5701	}
5702	if (blockers > 0.0)
5703		return averageBlocker / blockers;
5704	return -1.0;
5705}
5706float PCSSCube(samplerCube shadowMap, vec4 shadowParams, vec3 shadowCoords, vec4 cameraParams, float shadowSearchArea, vec3 lightDir) {
5707	
5708	vec3 samplePoints[PCSS_SAMPLE_COUNT];
5709	const float PI = 3.141592653589793;
5710	float noise = noise( gl_FragCoord.xy ) * 2.0 * PI;
5711	for (int i = 0; i < PCSS_SAMPLE_COUNT; i++) {
5712		float r = pcssSphereSamples[i];
5713		samplePoints[i] = vogelSphere(i, float(PCSS_SAMPLE_COUNT), noise, r);
5714	}
5715	float receiverDepth = length(lightDir) * shadowParams.w + shadowParams.z;
5716	vec3 lightDirNorm = normalize(lightDir);
5717	
5718	float averageBlocker = PCSSCubeBlockerDistance(shadowMap, lightDirNorm, samplePoints, receiverDepth, shadowSearchArea);
5719	if (averageBlocker == -1.0) {
5720		return 1.0;
5721	} else {
5722		float filterRadius = ((receiverDepth - averageBlocker) / averageBlocker) * shadowSearchArea;
5723		float shadow = 0.0;
5724		for (int i = 0; i < PCSS_SAMPLE_COUNT; i++)
5725		{
5726			vec3 offset = samplePoints[i] * filterRadius;
5727			vec3 sampleDir = lightDirNorm + offset;
5728			sampleDir = normalize(sampleDir);
5729			float depth = textureCubeLod(shadowMap, sampleDir, 0.0).r;
5730			shadow += step(receiverDepth, depth);
5731		}
5732		return shadow / float(PCSS_SAMPLE_COUNT);
5733	}
5734}
5735float getShadowOmniPCSS(samplerCube shadowMap, vec3 shadowCoord, vec4 shadowParams, vec4 cameraParams, vec2 shadowSearchArea, vec3 lightDir) {
5736	return PCSSCube(shadowMap, shadowParams, shadowCoord, cameraParams, shadowSearchArea.x, lightDir);
5737}
5738#endif
5739float getShadowSpotPCSS(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, vec4 cameraParams, vec2 shadowSearchArea, vec3 lightDir) {
5740	return PCSS(TEXTURE_PASS(shadowMap), shadowCoord, cameraParams, shadowSearchArea);
5741}
5742`,i3=`
5743highp float fractSinRand(const in vec2 uv) {
5744	const float PI = 3.141592653589793;
5745	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
5746	highp float dt = dot(uv.xy, vec2(a, b)), sn = mod(dt, PI);
5747	return fract(sin(sn) * c);
5748}
5749struct VogelDiskData {
5750	float invNumSamples;
5751	float initialAngle;
5752	float currentPointId;
5753};
5754void prepareDiskConstants(out VogelDiskData data, int sampleCount, float randomSeed) {
5755	const float pi2 = 6.28318530718;
5756	data.invNumSamples = 1.0 / float(sampleCount);
5757	data.initialAngle = randomSeed * pi2;
5758	data.currentPointId = 0.0;
5759}
5760vec2 generateDiskSample(inout VogelDiskData data) {
5761	const float GOLDEN_ANGLE = 2.399963;
5762	float r = sqrt((data.currentPointId + 0.5) * data.invNumSamples);
5763	float theta = data.currentPointId * GOLDEN_ANGLE + data.initialAngle;
5764	vec2 offset = vec2(cos(theta), sin(theta)) * pow(r, 1.33);
5765	data.currentPointId += 1.0;
5766	return offset;
5767}
5768void PCSSFindBlocker(TEXTURE_ACCEPT(shadowMap), out float avgBlockerDepth, out int numBlockers,
5769	vec2 shadowCoords, float z, int shadowBlockerSamples, float penumbraSize, float invShadowMapSize, float randomSeed) {
5770	VogelDiskData diskData;
5771	prepareDiskConstants(diskData, shadowBlockerSamples, randomSeed);
5772	float searchWidth = penumbraSize * invShadowMapSize;
5773	float blockerSum = 0.0;
5774	numBlockers = 0;
5775	for( int i = 0; i < shadowBlockerSamples; ++i ) {
5776		vec2 diskUV = generateDiskSample(diskData);
5777		vec2 sampleUV = shadowCoords + diskUV * searchWidth;

5778		float shadowMapDepth = texture2DLod(shadowMap, sampleUV, 0.0).r;
5779		if ( shadowMapDepth < z ) {
5780			blockerSum += shadowMapDepth;
5781			numBlockers++;
5782		}
5783	}
5784	avgBlockerDepth = blockerSum / float(numBlockers);
5785}
5786float PCSSFilter(TEXTURE_ACCEPT(shadowMap), vec2 uv, float receiverDepth, int shadowSamples, float filterRadius, float randomSeed) {
5787	VogelDiskData diskData;
5788	prepareDiskConstants(diskData, shadowSamples, randomSeed);
5789	float sum = 0.0;
5790	for (int i = 0; i < shadowSamples; i++) {
5791		vec2 offsetUV = generateDiskSample(diskData) * filterRadius;
5792		float depth = texture2DLod(shadowMap, uv + offsetUV, 0.0).r;
5793		sum += step(receiverDepth, depth);
5794	}
5795	return sum / float(shadowSamples);
5796}
5797float getPenumbra(float dblocker, float dreceiver, float penumbraSize, float penumbraFalloff) {
5798	float dist = dreceiver - dblocker;
5799	float penumbra = 1.0 - pow(1.0 - dist, penumbraFalloff);
5800	return penumbra * penumbraSize;
5801}
5802float PCSSDirectional(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoords, vec4 cameraParams, vec4 softShadowParams) {
5803	float receiverDepth = shadowCoords.z;
5804	float randomSeed = fractSinRand(gl_FragCoord.xy);
5805	int shadowSamples = int(softShadowParams.x);
5806	int shadowBlockerSamples = int(softShadowParams.y);
5807	float penumbraSize = softShadowParams.z;
5808	float penumbraFalloff = softShadowParams.w;
5809	int shadowMapSize = textureSize(shadowMap, 0).x;
5810	float invShadowMapSize = 1.0 / float(shadowMapSize);
5811	invShadowMapSize *= float(shadowMapSize) / 2048.0;
5812	float penumbra;
5813	if (shadowBlockerSamples > 0) {
5814		float avgBlockerDepth = 0.0;
5815		int numBlockers = 0;
5816		PCSSFindBlocker(TEXTURE_PASS(shadowMap), avgBlockerDepth, numBlockers, shadowCoords.xy, receiverDepth, shadowBlockerSamples, penumbraSize, invShadowMapSize, randomSeed);
5817		if (numBlockers < 1)
5818			return 1.0f;
5819		penumbra = getPenumbra(avgBlockerDepth, shadowCoords.z, penumbraSize, penumbraFalloff);
5820	} else {
5821		penumbra = penumbraSize;
5822	}
5823	float filterRadius = penumbra * invShadowMapSize;
5824	return PCSSFilter(TEXTURE_PASS(shadowMap), shadowCoords.xy, receiverDepth, shadowSamples, filterRadius, randomSeed);
5825}
5826float getShadowPCSS(TEXTURE_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams, vec4 cameraParams, vec4 softShadowParams, vec3 lightDir) {
5827	return PCSSDirectional(TEXTURE_PASS(shadowMap), shadowCoord, cameraParams, softShadowParams);
5828}
5829`,r3=`
5830attribute float vertex_boneIndices;
5831uniform highp sampler2D texture_poseMap;
5832mat4 getBoneMatrix(const in float indexFloat) {
5833	int width = textureSize(texture_poseMap, 0).x;
5834	int index = int(indexFloat + 0.5) * 3;
5835	int iy = index / width;
5836	int ix = index % width;
5837	vec4 v1 = texelFetch(texture_poseMap, ivec2(ix + 0, iy), 0);
5838	vec4 v2 = texelFetch(texture_poseMap, ivec2(ix + 1, iy), 0);
5839	vec4 v3 = texelFetch(texture_poseMap, ivec2(ix + 2, iy), 0);
5840	return mat4(
5841		v1.x, v2.x, v3.x, 0,
5842		v1.y, v2.y, v3.y, 0,
5843		v1.z, v2.z, v3.z, 0,
5844		v1.w, v2.w, v3.w, 1
5845	);
5846}
5847`,a3=`
5848attribute vec4 vertex_boneWeights;
5849attribute vec4 vertex_boneIndices;
5850uniform highp sampler2D texture_poseMap;
5851void getBoneMatrix(const in int width, const in int index, out vec4 v1, out vec4 v2, out vec4 v3) {
5852	int v = index / width;
5853	int u = index % width;
5854	v1 = texelFetch(texture_poseMap, ivec2(u + 0, v), 0);
5855	v2 = texelFetch(texture_poseMap, ivec2(u + 1, v), 0);
5856	v3 = texelFetch(texture_poseMap, ivec2(u + 2, v), 0);
5857}
5858mat4 getSkinMatrix(const in vec4 indicesFloat, const in vec4 weights) {
5859	int width = textureSize(texture_poseMap, 0).x;
5860	ivec4 indices = ivec4(indicesFloat + 0.5) * 3;
5861	vec4 a1, a2, a3;
5862	getBoneMatrix(width, indices.x, a1, a2, a3);
5863	vec4 b1, b2, b3;
5864	getBoneMatrix(width, indices.y, b1, b2, b3);
5865	vec4 c1, c2, c3;
5866	getBoneMatrix(width, indices.z, c1, c2, c3);
5867	vec4 d1, d2, d3;
5868	getBoneMatrix(width, indices.w, d1, d2, d3);
5869	vec4 v1 = a1 * weights.x + b1 * weights.y + c1 * weights.z + d1 * weights.w;
5870	vec4 v2 = a2 * weights.x + b2 * weights.y + c2 * weights.z + d2 * weights.w;
5871	vec4 v3 = a3 * weights.x + b3 * weights.y + c3 * weights.z + d3 * weights.w;
5872	float one = dot(weights, vec4(1.0));
5873	return mat4(
5874		v1.x, v2.x, v3.x, 0,
5875		v1.y, v2.y, v3.y, 0,
5876		v1.z, v2.z, v3.z, 0,
5877		v1.w, v2.w, v3.w, one
5878	);
5879}
5880`,n3=`
5881	#define LIT_SKYBOX_INTENSITY
5882	#include "envProcPS"
5883	#include "gammaPS"
5884	#include "tonemappingPS"
5885	#ifdef PREPASS_PASS
5886		varying float vLinearDepth;
5887		#include "floatAsUintPS"
5888	#endif
5889	varying vec3 vViewDir;
5890	uniform float skyboxHighlightMultiplier;

5891	#if defined(SKY_FISHEYE) && !defined(SKYMESH)
5892		uniform float fisheye_k;
5893		uniform float fisheye_invK;
5894		uniform float fisheye_projMat00;
5895		uniform float fisheye_projMat11;
5896		uniform mat4 matrix_view;
5897		uniform mat3 cubeMapRotationMatrix;
5898		varying vec3 vClipXYW;
5899	#endif
5900	#ifdef SKY_CUBEMAP
5901		uniform samplerCube texture_cubeMap;
5902		#ifdef SKYMESH
5903			varying vec3 vWorldPos;
5904			uniform mat3 cubeMapRotationMatrix;
5905			uniform vec3 projectedSkydomeCenter;
5906		#endif
5907	#else
5908		#include "sphericalPS"
5909		#include "envAtlasPS"
5910		uniform sampler2D texture_envAtlas;
5911		uniform float mipLevel;
5912	#endif
5913	void main(void) {
5914		#ifdef PREPASS_PASS
5915			gl_FragColor = float2vec4(vLinearDepth);
5916		#else
5917			#if defined(SKY_FISHEYE) && !defined(SKYMESH)
5918				vec2 ndc = vClipXYW.xy / vClipXYW.z;
5919				float px = ndc.x / fisheye_projMat00;
5920				float py = ndc.y / fisheye_projMat11;
5921				float r = sqrt(px * px + py * py);
5922				float theta = fisheye_k * atan(r * fisheye_invK);
5923				float sinT = sin(theta);
5924				float cosT = cos(theta);
5925				vec3 camDir = (r > 1e-6)
5926					? vec3(px / r * sinT, py / r * sinT, -cosT)
5927					: vec3(0.0, 0.0, -1.0);
5928				vec3 dir = transpose(mat3(matrix_view)) * camDir;
5929				dir = dir * cubeMapRotationMatrix;
5930			#elif defined(SKY_CUBEMAP) && defined(SKYMESH)
5931				vec3 envDir = normalize(vWorldPos - projectedSkydomeCenter);
5932				vec3 dir = envDir * cubeMapRotationMatrix;
5933			#else
5934				vec3 dir = vViewDir;
5935			#endif
5936			#ifdef SKY_CUBEMAP
5937				dir.x *= -1.0;
5938				vec3 linear = {SKYBOX_DECODE_FNC}(textureCube(texture_cubeMap, dir));
5939			#else
5940				dir *= vec3(-1.0, 1.0, 1.0);
5941				vec2 uv = toSphericalUv(normalize(dir));
5942				vec3 linear = {SKYBOX_DECODE_FNC}(texture2D(texture_envAtlas, mapRoughnessUv(uv, mipLevel)));
5943			#endif
5944			if (any(greaterThanEqual(linear, vec3(64.0)))) {
5945				linear *= skyboxHighlightMultiplier;
5946			}
5947			gl_FragColor = vec4(gammaCorrectOutput(toneMap(processEnvironment(linear))), 1.0);
5948		#endif
5949	}
5950`,o3=`
5951attribute vec4 aPosition;
5952uniform mat4 matrix_view;
5953uniform mat4 matrix_projectionSkybox;
5954uniform mat3 cubeMapRotationMatrix;
5955varying vec3 vViewDir;
5956#ifdef SKY_FISHEYE
5957	varying vec3 vClipXYW;
5958#endif
5959#ifdef PREPASS_PASS
5960	varying float vLinearDepth;
5961#endif
5962#ifdef SKYMESH
5963	uniform mat4 matrix_model;
5964	varying vec3 vWorldPos;
5965#endif
5966void main(void) {
5967	mat4 view = matrix_view;
5968	#ifdef SKYMESH
5969		vec4 worldPos = matrix_model * aPosition;
5970		vWorldPos = worldPos.xyz;
5971		gl_Position = matrix_projectionSkybox * (view * worldPos);
5972		#ifdef PREPASS_PASS
5973			vLinearDepth = -(matrix_view * vec4(vWorldPos, 1.0)).z;
5974		#endif
5975	#else
5976		view[3][0] = view[3][1] = view[3][2] = 0.0;
5977		vViewDir = aPosition.xyz * cubeMapRotationMatrix;
5978		#ifdef SKY_FISHEYE
5979			vec4 viewPos = view * aPosition;
5980			gl_Position = vec4(viewPos.xy, 0.0, -viewPos.z);
5981			vClipXYW = vec3(gl_Position.xy, gl_Position.w);
5982		#else
5983			gl_Position = matrix_projectionSkybox * (view * aPosition);
5984		#endif
5985		#ifdef PREPASS_PASS
5986			vLinearDepth = -gl_Position.w;
5987		#endif
5988	#endif
5989	gl_Position.z = gl_Position.w - 1.0e-7;
5990}
5991`,l3=`
5992#ifdef STD_SPECULAR_CONSTANT
5993uniform vec3 material_specular;
5994#endif
5995void getSpecularity() {
5996	vec3 specularColor = vec3(1,1,1);
5997	#ifdef STD_SPECULAR_CONSTANT
5998	specularColor *= material_specular;
5999	#endif
6000	#ifdef STD_SPECULAR_TEXTURE
6001	specularColor *= {STD_SPECULAR_TEXTURE_DECODE}(texture2DBias({STD_SPECULAR_TEXTURE_NAME}, {STD_SPECULAR_TEXTURE_UV}, textureBias)).{STD_SPECULAR_TEXTURE_CHANNEL};
6002	#endif
6003	#ifdef STD_SPECULAR_VERTEX
6004	specularColor *= saturate(vVertexColor.{STD_SPECULAR_VERTEX_CHANNEL});
6005	#endif
6006	dSpecularity = specularColor;
6007}
6008`,c3=`
6009vec2 toSpherical(vec3 dir) {
6010	return vec2(dir.xz == vec2(0.0) ? 0.0 : atan(dir.x, dir.z), asin(dir.y));
6011}
6012vec2 toSphericalUv(vec3 dir) {
6013	const float PI = 3.141592653589793;
6014	vec2 uv = toSpherical(dir) / vec2(PI * 2.0, PI) + 0.5;
6015	return vec2(uv.x, 1.0 - uv.y);
6016}
6017`,h3=`
6018#ifdef STD_SPECULARITYFACTOR_CONSTANT
6019uniform float material_specularityFactor;
6020#endif
6021void getSpecularityFactor() {
6022	float specularityFactor = 1.0;
6023	#ifdef STD_SPECULARITYFACTOR_CONSTANT
6024	specularityFactor *= material_specularityFactor;
6025	#endif
6026	#ifdef STD_SPECULARITYFACTOR_TEXTURE
6027	specularityFactor *= texture2DBias({STD_SPECULARITYFACTOR_TEXTURE_NAME}, {STD_SPECULARITYFACTOR_TEXTURE_UV}, textureBias).{STD_SPECULARITYFACTOR_TEXTURE_CHANNEL};
6028	#endif
6029	#ifdef STD_SPECULARITYFACTOR_VERTEX
6030	specularityFactor *= saturate(vVertexColor.{STD_SPECULARITYFACTOR_VERTEX_CHANNEL});
6031	#endif
6032	dSpecularityFactor = specularityFactor;
6033}
6034`,d3=`
6035float getSpotEffect(vec3 lightSpotDir, float lightInnerConeAngle, float lightOuterConeAngle, vec3 lightDirNorm) {
6036	float cosAngle = dot(lightDirNorm, lightSpotDir);
6037	return smoothstep(lightOuterConeAngle, lightInnerConeAngle, cosAngle);
6038}
6039`,u3=`
6040	nineSlicedUv = vec2(vUv0.x, 1.0 - vUv0.y);
6041`,f3=`
6042	vec2 tileMask = step(vMask, vec2(0.99999));
6043	vec2 tileSize = 0.5 * (innerOffset.xy + innerOffset.zw);
6044	vec2 tileScale = vec2(1.0) / (vec2(1.0) - tileSize);
6045	vec2 clampedUv = mix(innerOffset.xy * 0.5, vec2(1.0) - innerOffset.zw * 0.5, fract((vTiledUv - tileSize) * tileScale));
6046	clampedUv = clampedUv * atlasRect.zw + atlasRect.xy;
6047	nineSlicedUv = vUv0 * tileMask + clampedUv * (vec2(1.0) - tileMask);
6048	nineSlicedUv.y = 1.0 - nineSlicedUv.y;
6049	
6050`,p3=`
6051	float dAlpha = 1.0;
6052	#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
6053		#ifdef STD_OPACITY_TEXTURE_ALLOCATE
6054			uniform sampler2D texture_opacityMap;
6055		#endif
6056	#endif
6057	#ifdef FORWARD_PASS
6058		vec3 dAlbedo;
6059		vec3 dNormalW;
6060		vec3 dSpecularity = vec3(0.0);
6061		float dGlossiness = 0.0;
6062		#ifdef LIT_REFRACTION
6063			float dTransmission;
6064			float dThickness;
6065		#endif
6066		#ifdef LIT_SCENE_COLOR
6067			uniform sampler2D uSceneColorMap;
6068		#endif
6069		#ifdef LIT_SCREEN_SIZE
6070			uniform vec4 uScreenSize;
6071		#endif
6072		#ifdef LIT_TRANSFORMS
6073			uniform mat4 matrix_viewProjection;
6074			uniform mat4 matrix_model;
6075		#endif
6076		#ifdef STD_HEIGHT_MAP
6077			vec2 dUvOffset;
6078			#ifdef STD_HEIGHT_TEXTURE_ALLOCATE
6079				uniform sampler2D texture_heightMap;
6080			#endif
6081		#endif
6082		#ifdef STD_DIFFUSE_TEXTURE_ALLOCATE
6083			uniform sampler2D texture_diffuseMap;
6084		#endif
6085		#ifdef STD_DIFFUSEDETAIL_TEXTURE_ALLOCATE
6086			uniform sampler2D texture_diffuseDetailMap;
6087		#endif
6088		#ifdef STD_NORMAL_TEXTURE_ALLOCATE
6089			uniform sampler2D texture_normalMap;
6090		#endif
6091		#ifdef STD_NORMALDETAIL_TEXTURE_ALLOCATE
6092			uniform sampler2D texture_normalDetailMap;
6093		#endif
6094		#ifdef STD_THICKNESS_TEXTURE_ALLOCATE
6095			uniform sampler2D texture_thicknessMap;
6096		#endif
6097		#ifdef STD_REFRACTION_TEXTURE_ALLOCATE
6098			uniform sampler2D texture_refractionMap;
6099		#endif
6100		#ifdef LIT_IRIDESCENCE
6101			float dIridescence;
6102			float dIridescenceThickness;
6103			#ifdef STD_IRIDESCENCE_THICKNESS_TEXTURE_ALLOCATE
6104				uniform sampler2D texture_iridescenceThicknessMap;
6105			#endif
6106			#ifdef STD_IRIDESCENCE_TEXTURE_ALLOCATE
6107				uniform sampler2D texture_iridescenceMap;
6108			#endif
6109		#endif
6110		#ifdef LIT_CLEARCOAT
6111			float ccSpecularity;
6112			float ccGlossiness;
6113			vec3 ccNormalW;
6114		#endif
6115		#ifdef LIT_GGX_SPECULAR
6116			float dAnisotropy;
6117			vec2 dAnisotropyRotation;
6118		#endif
6119		#ifdef LIT_SPECULAR_OR_REFLECTION
6120			#ifdef LIT_SHEEN
6121				vec3 sSpecularity;
6122				float sGlossiness;
6123				#ifdef STD_SHEEN_TEXTURE_ALLOCATE
6124					uniform sampler2D texture_sheenMap;
6125				#endif
6126				#ifdef STD_SHEENGLOSS_TEXTURE_ALLOCATE
6127					uniform sampler2D texture_sheenGlossMap;
6128				#endif
6129			#endif
6130			#ifdef LIT_METALNESS
6131				float dMetalness;
6132				float dIor;
6133				#ifdef STD_METALNESS_TEXTURE_ALLOCATE
6134					uniform sampler2D texture_metalnessMap;
6135				#endif
6136			#endif
6137			#ifdef LIT_SPECULARITY_FACTOR
6138				float dSpecularityFactor;
6139				#ifdef STD_SPECULARITYFACTOR_TEXTURE_ALLOCATE
6140					uniform sampler2D texture_specularityFactorMap;
6141				#endif
6142			#endif
6143			#ifdef STD_SPECULAR_COLOR
6144				#ifdef STD_SPECULAR_TEXTURE_ALLOCATE
6145					uniform sampler2D texture_specularMap;
6146				#endif
6147			#endif
6148			#ifdef STD_GLOSS_TEXTURE_ALLOCATE
6149				uniform sampler2D texture_glossMap;
6150			#endif
6151		#endif
6152		#ifdef STD_AO
6153			float dAo;
6154			#ifdef STD_AO_TEXTURE_ALLOCATE
6155				uniform sampler2D texture_aoMap;
6156			#endif
6157			#ifdef STD_AODETAIL_TEXTURE_ALLOCATE
6158				uniform sampler2D texture_aoDetailMap;
6159			#endif
6160		#endif
6161		vec3 dEmission;
6162		#ifdef STD_EMISSIVE_TEXTURE_ALLOCATE
6163			uniform sampler2D texture_emissiveMap;
6164		#endif
6165		#ifdef LIT_CLEARCOAT
6166			#ifdef STD_CLEARCOAT_TEXTURE_ALLOCATE
6167				uniform sampler2D texture_clearCoatMap;
6168			#endif
6169			#ifdef STD_CLEARCOATGLOSS_TEXTURE_ALLOCATE
6170				uniform sampler2D texture_clearCoatGlossMap;
6171			#endif
6172			#ifdef STD_CLEARCOATNORMAL_TEXTURE_ALLOCATE
6173				uniform sampler2D texture_clearCoatNormalMap;
6174			#endif
6175		#endif
6176		
6177		#ifdef LIT_GGX_SPECULAR
6178			#ifdef STD_ANISOTROPY_TEXTURE_ALLOCATE
6179				uniform sampler2D texture_anisotropyMap;
6180			#endif
6181		#endif
6182		#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
6183			vec3 dLightmap;

6184			#ifdef STD_LIGHT_TEXTURE_ALLOCATE
6185				uniform sampler2D texture_lightMap;
6186			#endif
6187		#endif
6188	#endif
6189	#include "litShaderCorePS"
6190`,m3=`
6191	#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
6192		#include "opacityPS"
6193		#if defined(LIT_ALPHA_TEST)
6194			#include "alphaTestPS"
6195		#endif
6196		#if STD_OPACITY_DITHER != NONE
6197			#include "opacityDitherPS"
6198		#endif
6199	#endif
6200	#ifdef FORWARD_PASS
6201		#ifdef STD_HEIGHT_MAP
6202			#include "parallaxPS"
6203		#endif
6204		#include  "diffusePS"
6205		#ifdef LIT_NEEDS_NORMAL
6206			#include "normalMapPS"
6207		#endif
6208		#ifdef LIT_REFRACTION
6209			#include "transmissionPS"
6210			#include "thicknessPS"
6211		#endif
6212		#ifdef LIT_IRIDESCENCE
6213			#include "iridescencePS"
6214			#include "iridescenceThicknessPS"
6215		#endif
6216		#ifdef LIT_SPECULAR_OR_REFLECTION
6217			#ifdef LIT_SHEEN
6218				#include "sheenPS"
6219				#include "sheenGlossPS"
6220			#endif
6221			#ifdef LIT_METALNESS
6222				#include "metalnessPS"
6223				#include "iorPS"
6224			#endif
6225			#ifdef LIT_SPECULARITY_FACTOR
6226				#include "specularityFactorPS"
6227			#endif
6228			#ifdef STD_SPECULAR_COLOR
6229				#include "specularPS"
6230			#else
6231				void getSpecularity() { 
6232					dSpecularity = vec3(1);
6233				}
6234			#endif
6235			#include "glossPS"
6236		#endif
6237		#ifdef STD_AO
6238			#include "aoPS"
6239		#endif
6240		#include "emissivePS"
6241		#ifdef LIT_CLEARCOAT
6242			#include "clearCoatPS"
6243			#include "clearCoatGlossPS"
6244			#include "clearCoatNormalPS"
6245		#endif
6246		#if defined(LIT_SPECULAR) && defined(LIT_LIGHTING) && defined(LIT_GGX_SPECULAR)
6247			#include "anisotropyPS"
6248		#endif
6249		#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
6250			#include "lightmapPS"
6251		#endif
6252	#endif
6253	void evaluateFrontend() {
6254		#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
6255			getOpacity();
6256			#if defined(LIT_ALPHA_TEST)
6257				alphaTest(dAlpha);
6258			#endif
6259			#if STD_OPACITY_DITHER != NONE
6260				opacityDither(dAlpha * material_alphaDitherScale, 0.0);
6261			#endif
6262			litArgs_opacity = dAlpha;
6263		#endif
6264		#ifdef FORWARD_PASS
6265			#ifdef STD_HEIGHT_MAP
6266				getParallax();
6267			#endif
6268			getAlbedo();
6269			litArgs_albedo = dAlbedo;
6270			#ifdef LIT_NEEDS_NORMAL
6271				getNormal();
6272				litArgs_worldNormal = dNormalW;
6273			#endif
6274			#ifdef LIT_REFRACTION
6275				getRefraction();
6276				litArgs_transmission = dTransmission;
6277				getThickness();
6278				litArgs_thickness = dThickness;
6279				#ifdef LIT_DISPERSION
6280					litArgs_dispersion = material_dispersion;
6281				#endif
6282			#endif
6283			#ifdef LIT_IRIDESCENCE
6284				getIridescence();
6285				getIridescenceThickness();
6286				litArgs_iridescence_intensity = dIridescence;
6287				litArgs_iridescence_thickness = dIridescenceThickness;
6288			#endif
6289			#ifdef LIT_SPECULAR_OR_REFLECTION
6290				#ifdef LIT_SHEEN
6291					getSheen();
6292					litArgs_sheen_specularity = sSpecularity;
6293					getSheenGlossiness();
6294					litArgs_sheen_gloss = sGlossiness;
6295				#endif
6296				#ifdef LIT_METALNESS
6297					getMetalness();
6298					litArgs_metalness = dMetalness;
6299					getIor();
6300					litArgs_ior = dIor;
6301				#endif
6302				#ifdef LIT_SPECULARITY_FACTOR
6303					getSpecularityFactor();
6304					litArgs_specularityFactor = dSpecularityFactor;
6305				#endif
6306				getGlossiness();
6307				getSpecularity();
6308				litArgs_specularity = dSpecularity;
6309				litArgs_gloss = dGlossiness;
6310			#endif
6311			#ifdef STD_AO
6312				getAO();
6313				litArgs_ao = dAo;
6314			#endif
6315			getEmission();
6316			litArgs_emission = dEmission;
6317			#ifdef LIT_CLEARCOAT
6318				getClearCoat();
6319				getClearCoatGlossiness();
6320				getClearCoatNormal();
6321				litArgs_clearcoat_specularity = ccSpecularity;
6322				litArgs_clearcoat_gloss = ccGlossiness;
6323				litArgs_clearcoat_worldNormal = ccNormalW;
6324			#endif
6325			#if defined(LIT_SPECULAR) && defined(LIT_LIGHTING) && defined(LIT_GGX_SPECULAR)
6326				getAnisotropy();
6327			#endif
6328			#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
6329				getLightMap();
6330				litArgs_lightmap = dLightmap;
6331				#ifdef STD_LIGHTMAP_DIR
6332					litArgs_lightmapDir = dLightmapDir;
6333				#endif
6334			#endif
6335		#endif
6336	}
6337`,_3=`
6338#ifdef LIT_TANGENTS
6339	#define TBN_TANGENTS
6340#else
6341	#if defined(LIT_USE_NORMALS) || defined(LIT_USE_CLEARCOAT_NORMALS)
6342		#define TBN_DERIVATIVES
6343	#endif
6344#endif
6345#if defined(TBN_DERIVATIVES)
6346	uniform float tbnBasis;
6347#endif
6348void getTBN(vec3 tangent, vec3 binormal, vec3 normal) {
6349	#ifdef TBN_TANGENTS
6350		dTBN = mat3(normalize(tangent), normalize(binormal), normalize(normal));
6351	#elif defined(TBN_DERIVATIVES)
6352		vec2 uv = {lightingUv};
6353		vec3 dp1 = dFdx( vPositionW );
6354		vec3 dp2 = dFdy( vPositionW );
6355		vec2 duv1 = dFdx( uv );
6356		vec2 duv2 = dFdy( uv );
6357		vec3 dp2perp = cross( dp2, normal );
6358		vec3 dp1perp = cross( normal, dp1 );
6359		vec3 T = dp2perp * duv1.x + dp1perp * duv2.x;
6360		vec3 B = dp2perp * duv1.y + dp1perp * duv2.y;
6361		float denom = max( dot(T,T), dot(B,B) );
6362		float invmax = (denom == 0.0) ? 0.0 : tbnBasis / sqrt( denom );
6363		dTBN = mat3(T * invmax, -B * invmax, normal );
6364	#else
6365		vec3 B = cross(normal, vObjectSpaceUpW);
6366		vec3 T = cross(normal, B);
6367		if (dot(B,B)==0.0)
6368		{
6369			float major=max(max(normal.x, normal.y), normal.z);
6370			if (normal.x == major)
6371			{
6372				B = cross(normal, vec3(0,1,0));
6373				T = cross(normal, B);
6374			}
6375			else if (normal.y == major)
6376			{
6377				B = cross(normal, vec3(0,0,1));
6378				T = cross(normal, B);
6379			}
6380			else if (normal.z == major)
6381			{
6382				B = cross(normal, vec3(1,0,0));
6383				T = cross(normal, B);
6384			}
6385		}
6386		dTBN = mat3(normalize(T), normalize(B), normalize(normal));
6387	#endif
6388}
6389`,g3=`
6390#ifdef STD_THICKNESS_CONSTANT
6391uniform float material_thickness;
6392#endif
6393void getThickness() {
6394	dThickness = 1.0;
6395	#ifdef STD_THICKNESS_CONSTANT
6396	dThickness *= material_thickness;
6397	#endif
6398	#ifdef STD_THICKNESS_TEXTURE
6399	dThickness *= texture2DBias({STD_THICKNESS_TEXTURE_NAME}, {STD_THICKNESS_TEXTURE_UV}, textureBias).{STD_THICKNESS_TEXTURE_CHANNEL};
6400	#endif
6401	#ifdef STD_THICKNESS_VERTEX
6402	dThickness *= saturate(vVertexColor.{STD_THICKNESS_VERTEX_CHANNEL});
6403	#endif
6404}
6405`,v3=`
6406#ifndef TONEMAP_NO_EXPOSURE_UNIFORM
6407	#if TONEMAP != NONE
6408		uniform float exposure;
6409		float getExposure() { return exposure; }
6410	#else
6411		float getExposure() { return 1.0; }
6412	#endif
6413#endif
6414#if (TONEMAP == NONE)
6415	#include "tonemappingNonePS"
6416#elif TONEMAP == FILMIC
6417	#include "tonemappingFilmicPS"
6418#elif TONEMAP == LINEAR
6419	#include "tonemappingLinearPS"
6420#elif TONEMAP == HEJL
6421	#include "tonemappingHejlPS"
6422#elif TONEMAP == ACES
6423	#include "tonemappingAcesPS"
6424#elif TONEMAP == ACES2
6425	#include "tonemappingAces2PS"
6426#elif TONEMAP == NEUTRAL
6427	#include "tonemappingNeutralPS"
6428#endif
6429`,S3=`
6430vec3 toneMap(vec3 color) {
6431	float tA = 2.51;
6432	float tB = 0.03;
6433	float tC = 2.43;
6434	float tD = 0.59;
6435	float tE = 0.14;
6436	vec3 x = color * getExposure();
6437	return (x*(tA*x+tB))/(x*(tC*x+tD)+tE);
6438}
6439`,y3=`
6440const mat3 ACESInputMat = mat3(
6441	0.59719, 0.35458, 0.04823,
6442	0.07600, 0.90834, 0.01566,
6443	0.02840, 0.13383, 0.83777
6444);
6445const mat3 ACESOutputMat = mat3(
6446	 1.60475, -0.53108, -0.07367,
6447	-0.10208,  1.10813, -0.00605,
6448	-0.00327, -0.07276,  1.07602
6449);
6450vec3 RRTAndODTFit(vec3 v) {
6451	vec3 a = v * (v + 0.0245786) - 0.000090537;
6452	vec3 b = v * (0.983729 * v + 0.4329510) + 0.238081;
6453	return a / b;
6454}
6455vec3 toneMap(vec3 color) {
6456	color *= getExposure() / 0.6;
6457	color = color * ACESInputMat;
6458	color = RRTAndODTFit(color);
6459	color = color * ACESOutputMat;
6460	color = clamp(color, 0.0, 1.0);
6461	return color;
6462}
6463`,x3=`
6464const float A =  0.15;
6465const float B =  0.50;
6466const float C =  0.10;
6467const float D =  0.20;
6468const float E =  0.02;
6469const float F =  0.30;
6470const float W =  11.2;
6471vec3 uncharted2Tonemap(vec3 x) {
6472	 return ((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;
6473}
6474vec3 toneMap(vec3 color) {
6475	color = uncharted2Tonemap(color * getExposure());
6476	vec3 whiteScale = 1.0 / uncharted2Tonemap(vec3(W,W,W));
6477	color = color * whiteScale;
6478	return color;
6479}
6480`,T3=`
6481vec3 toneMap(vec3 color) {
6482	color *= getExposure();
6483	const float  A = 0.22, B = 0.3, C = .1, D = 0.2, E = .01, F = 0.3;
6484	const float Scl = 1.25;
6485	vec3 h = max( vec3(0.0), color - vec3(0.004) );
6486	return (h*((Scl*A)*h+Scl*vec3(C*B,C*B,C*B))+Scl*vec3(D*E,D*E,D*E)) / (h*(A*h+vec3(B,B,B))+vec3(D*F,D*F,D*F)) - Scl*vec3(E/F,E/F,E/F);
6487}
6488`,w3=`
6489vec3 toneMap(vec3 color) {
6490	return color * getExposure();
6491}
6492`,C3=`
6493vec3 toneMap(vec3 color) {
6494	color *= getExposure();
6495	float startCompression = 0.8 - 0.04;
6496	float desaturation = 0.15;
6497	float x = min(color.r, min(color.g, color.b));
6498	float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;
6499	color -= offset;
6500	float peak = max(color.r, max(color.g, color.b));
6501	if (peak < startCompression) return color;
6502	float d = 1. - startCompression;
6503	float newPeak = 1. - d * d / (peak + d - startCompression);
6504	color *= newPeak / peak;
6505	float g = 1. - 1. / (desaturation * (peak - newPeak) + 1.);
6506	return mix(color, newPeak * vec3(1, 1, 1), g);
6507}
6508`,E3=`
6509vec3 toneMap(vec3 color) {
6510	return color;
6511}
6512`,b3=`
6513#ifdef PIXELSNAP
6514uniform vec4 uScreenSize;
6515#endif
6516#ifdef SCREENSPACE
6517uniform float projectionFlipY;
6518#endif
6519vec4 evalWorldPosition(vec3 vertexPosition, mat4 modelMatrix) {
6520	vec3 localPos = getLocalPosition(vertexPosition);
6521	#ifdef NINESLICED
6522		localPos.xz *= outerScale;
6523		vec2 positiveUnitOffset = clamp(vertexPosition.xz, vec2(0.0), vec2(1.0));
6524		vec2 negativeUnitOffset = clamp(-vertexPosition.xz, vec2(0.0), vec2(1.0));
6525		localPos.xz += (-positiveUnitOffset * innerOffset.xy + negativeUnitOffset * innerOffset.zw) * vertex_texCoord0.xy;
6526		vTiledUv = (localPos.xz - outerScale + innerOffset.xy) * -0.5 + 1.0;
6527		localPos.xz *= -0.5;
6528		localPos = localPos.xzy;
6529	#endif
6530	vec4 posW = modelMatrix * vec4(localPos, 1.0);
6531	#ifdef SCREENSPACE
6532		posW.zw = vec2(0.0, 1.0);
6533	#endif
6534	return posW;
6535}
6536vec4 getPosition() {
6537	dModelMatrix = getModelMatrix();
6538	vec4 posW = evalWorldPosition(vertex_position.xyz, dModelMatrix);
6539	dPositionW = posW.xyz;
6540	vec4 screenPos;
6541	#ifdef UV1LAYOUT
6542		screenPos = vec4(vertex_texCoord1.xy * 2.0 - 1.0, 0.5, 1);
6543		#ifdef WEBGPU

6544			screenPos.y *= -1.0;
6545		#endif
6546	#else
6547		#ifdef SCREENSPACE
6548			screenPos = posW;
6549			screenPos.y *= projectionFlipY;
6550		#else
6551			screenPos = matrix_viewProjection * posW;
6552		#endif
6553		#ifdef PIXELSNAP
6554			screenPos.xy = (screenPos.xy * 0.5) + 0.5;
6555			screenPos.xy *= uScreenSize.xy;
6556			screenPos.xy = floor(screenPos.xy);
6557			screenPos.xy *= uScreenSize.zw;
6558			screenPos.xy = (screenPos.xy * 2.0) - 1.0;
6559		#endif
6560	#endif
6561	return screenPos;
6562}
6563vec3 getWorldPosition() {
6564	return dPositionW;
6565}
6566`,A3=`
6567attribute vec4 vertex_position;
6568uniform mat4 matrix_viewProjection;
6569uniform mat4 matrix_model;
6570#ifdef MORPHING
6571	uniform vec2 morph_tex_params;
6572	attribute uint morph_vertex_id;
6573	ivec2 getTextureMorphCoords() {
6574		ivec2 textureSize = ivec2(morph_tex_params);
6575		int morphGridV = int(morph_vertex_id) / textureSize.x;
6576		int morphGridU = int(morph_vertex_id) - (morphGridV * textureSize.x);
6577		#ifdef WEBGPU
6578			morphGridV = textureSize.y - morphGridV - 1;
6579		#endif
6580		return ivec2(morphGridU, morphGridV);
6581	}
6582	#ifdef MORPHING_POSITION
6583		#ifdef MORPHING_INT
6584			uniform vec3 aabbSize;
6585			uniform vec3 aabbMin;
6586			uniform usampler2D morphPositionTex;
6587		#else
6588			uniform highp sampler2D morphPositionTex;
6589		#endif
6590	#endif
6591#endif
6592#ifdef defined(BATCH)
6593	#include "skinBatchVS"
6594	mat4 getModelMatrix() {
6595		return getBoneMatrix(vertex_boneIndices);
6596	}
6597#elif defined(SKIN)
6598	#include "skinVS"
6599	mat4 getModelMatrix() {
6600		return matrix_model * getSkinMatrix(vertex_boneIndices, vertex_boneWeights);
6601	}
6602#elif defined(INSTANCING)
6603	#include "transformInstancingVS"
6604#else
6605	mat4 getModelMatrix() {
6606		return matrix_model;
6607	}
6608#endif
6609vec3 getLocalPosition(vec3 vertexPosition) {
6610	vec3 localPos = vertexPosition;
6611	#ifdef MORPHING_POSITION
6612		ivec2 morphUV = getTextureMorphCoords();
6613		#ifdef MORPHING_INT
6614			vec3 morphPos = vec3(texelFetch(morphPositionTex, ivec2(morphUV), 0).xyz) / 65535.0 * aabbSize + aabbMin;
6615		#else
6616			vec3 morphPos = texelFetch(morphPositionTex, ivec2(morphUV), 0).xyz;
6617		#endif
6618		localPos += morphPos;
6619	#endif
6620	return localPos;
6621}
6622`,P3=`
6623attribute vec4 instance_line1;
6624attribute vec4 instance_line2;
6625attribute vec4 instance_line3;
6626attribute vec4 instance_line4;
6627mat4 getModelMatrix() {
6628	return matrix_model * mat4(instance_line1, instance_line2, instance_line3, instance_line4);
6629}
6630`,I3=`
6631#ifdef STD_REFRACTION_CONSTANT
6632uniform float material_refraction;
6633#endif
6634void getRefraction() {
6635	float refraction = 1.0;
6636	#ifdef STD_REFRACTION_CONSTANT
6637	refraction = material_refraction;
6638	#endif
6639	#ifdef STD_REFRACTION_TEXTURE
6640	refraction *= texture2DBias({STD_REFRACTION_TEXTURE_NAME}, {STD_REFRACTION_TEXTURE_UV}, textureBias).{STD_REFRACTION_TEXTURE_CHANNEL};
6641	#endif
6642	#ifdef STD_REFRACTION_VERTEX
6643	refraction *= saturate(vVertexColor.{STD_REFRACTION_VERTEX_CHANNEL});
6644	#endif
6645	dTransmission = refraction;
6646}
6647`,D3=`
6648void handleTwoSidedLighting() {
6649	if (!gl_FrontFacing) dTBN[2] = -dTBN[2];
6650}
6651`,M3=`
6652#ifdef NINESLICED
6653	vec2 getUv0() {
6654		vec2 uv = vertex_position.xz;
6655		vec2 positiveUnitOffset = clamp(vertex_position.xz, vec2(0.0), vec2(1.0));
6656		vec2 negativeUnitOffset = clamp(-vertex_position.xz, vec2(0.0), vec2(1.0));
6657		uv += (-positiveUnitOffset * innerOffset.xy + negativeUnitOffset * innerOffset.zw) * vertex_texCoord0.xy;
6658		uv = uv * -0.5 + 0.5;
6659		uv = uv * atlasRect.zw + atlasRect.xy;
6660		vMask = vertex_texCoord0.xy;
6661		return uv;
6662	}
6663#else
6664	vec2 getUv0() {
6665		return vertex_texCoord0;
6666	}
6667#endif
6668`,R3=`
6669vec2 getUv1() {
6670	return vertex_texCoord1;
6671}
6672`,L3=`
6673vUV{TRANSFORM_UV_{i}}_{TRANSFORM_ID_{i}} = vec2(
6674	dot(vec3(uv{TRANSFORM_UV_{i}}, 1), {TRANSFORM_NAME_{i}}0),
6675	dot(vec3(uv{TRANSFORM_UV_{i}}, 1), {TRANSFORM_NAME_{i}}1)
6676);
6677`,F3=`
6678	uniform vec3 {TRANSFORM_NAME_{i}}0;
6679	uniform vec3 {TRANSFORM_NAME_{i}}1;
6680`,O3=`
6681void getViewDir() {
6682	dViewDirW = normalize(view_position - vPositionW);
6683}
6684`;const B3={alphaTestPS:KR,ambientPS:ZR,anisotropyPS:QR,aoPS:JR,aoDiffuseOccPS:e2,aoSpecOccPS:t2,bakeDirLmEndPS:s2,bakeLmEndPS:i2,basePS:r2,baseNineSlicedPS:a2,baseNineSlicedTiledPS:n2,bayerPS:o2,blurVSMPS:l2,clearCoatPS:c2,clearCoatGlossPS:h2,clearCoatNormalPS:d2,clusteredLightCookiesPS:f2,clusteredLightShadowsPS:p2,clusteredLightUtilsPS:u2,clusteredLightPS:m2,combinePS:_2,cookieBlit2DPS:g2,cookieBlitCubePS:v2,cookieBlitVS:S2,cookiePS:y2,cubeMapProjectP

6684S:x2,cubeMapRotatePS:T2,debugOutputPS:w2,debugProcessFrontendPS:C2,detailModesPS:b2,diffusePS:A2,decodePS:E2,emissivePS:P2,encodePS:I2,endPS:D2,envAtlasPS:M2,envProcPS:R2,falloffInvSquaredPS:L2,falloffLinearPS:F2,floatAsUintPS:O2,fogPS:B2,fresnelSchlickPS:N2,frontendCodePS:"",frontendDeclPS:"",fullscreenQuadVS:k2,gammaPS:U2,gles3PS:sT,gles3VS:iT,glossPS:z2,quadVS:V2,immediateLinePS:G2,immediateLineVS:H2,iridescenceDiffractionPS:W2,iridescencePS:X2,iridescenceThicknessPS:Y2,iorPS:j2,lightDeclarationPS:q2,lightDiffuseLambertPS:$2,lightDirPointPS:K2,lightEvaluationPS:Z2,lightFunctionLightPS:Q2,lightFunctionShadowPS:J2,lightingPS:eL,lightmapAddPS:tL,lightmapPS:sL,lightSpecularAnisoGGXPS:iL,lightSpecularGGXPS:rL,lightSpecularBlinnPS:aL,lightSheenPS:nL,linearizeDepthPS:oL,litForwardBackendPS:lL,litForwardDeclarationPS:cL,litForwardMainPS:hL,litForwardPostCodePS:dL,litForwardPreCodePS:uL,litMainPS:fL,litMainVS:pL,litOtherMainPS:mL,litShaderArgsPS:_L,litShaderCorePS:gL,litShadowMainPS:vL,litUserDeclarationPS:"",litUserDeclarationVS:"",litUserCodePS:"",litUserCodeVS:"",litUserMainStartPS:"",litUserMainStartVS:"",litUserMainEndPS:"",litUserMainEndVS:"",ltcPS:SL,metalnessPS:yL,metalnessModulatePS:TL,morphPS:wL,morphVS:CL,msdfPS:xL,msdfVS:EL,normalVS:bL,normalCoreVS:AL,normalMapPS:PL,opacityPS:IL,opacityDitherPS:DL,outputPS:ML,outputAlphaPS:RL,outputTex2DPS:LL,sheenPS:FL,sheenGlossPS:OL,parallaxPS:BL,pickPS:NL,reflDirPS:kL,reflDirAnisoPS:UL,reflectionCCPS:zL,reflectionCubePS:VL,reflectionEnvHQPS:GL,reflectionEnvPS:HL,reflectionSpherePS:WL,reflectionSheenPS:XL,refractionCubePS:YL,refractionDynamicPS:jL,reprojectPS:qL,reprojectVS:$L,screenDepthPS:KL,shadowCascadesPS:ZL,shadowEVSMPS:QL,shadowPCF1PS:JL,shadowPCF3PS:e3,shadowPCF5PS:t3,shadowPCSSPS:s3,shadowSoftPS:i3,skinBatchVS:r3,skinVS:a3,skyboxPS:n3,skyboxVS:o3,specularPS:l3,sphericalPS:c3,specularityFactorPS:h3,spotPS:d3,startNineSlicedPS:u3,startNineSlicedTiledPS:f3,stdDeclarationPS:p3,stdFrontEndPS:m3,TBNPS:_3,thicknessPS:g3,tonemappingPS:v3,tonemappingAcesPS:S3,tonemappingAces2PS:y3,tonemappingFilmicPS:x3,tonemappingHejlPS:T3,tonemappingLinearPS:w3,tonemappingNeutralPS:C3,tonemappingNonePS:E3,transformVS:b3,transformCoreVS:A3,transformInstancingVS:P3,transmissionPS:I3,twoSidedLightingPS:D3,uv0VS:M3,uv1VS:R3,uvTransformVS:L3,uvTransformUniformsPS:F3,viewDirPS:O3,webgpuPS:rT,webgpuVS:aT};var N3=`
6685uniform alpha_ref: f32;
6686fn alphaTest(a: f32) {
6687	if (a < uniform.alpha_ref) {
6688		discard;
6689	}
6690}
6691`,k3=`
6692#if LIT_AMBIENT_SOURCE == AMBIENTSH
6693	uniform ambientSH: array<vec3f, 9>;
6694#endif
6695#if LIT_AMBIENT_SOURCE == ENVALATLAS
6696	#include "envAtlasPS"
6697	#ifndef ENV_ATLAS
6698		#define ENV_ATLAS
6699		var texture_envAtlas: texture_2d<f32>;
6700		var texture_envAtlasSampler: sampler;
6701	#endif
6702#endif
6703fn addAmbient(worldNormal: vec3f) {
6704	#ifdef LIT_AMBIENT_SOURCE == AMBIENTSH
6705		let n: vec3f = cubeMapRotate(worldNormal);
6706		let color: vec3f =
6707			uniform.ambientSH[0] +
6708			uniform.ambientSH[1] * n.x +
6709			uniform.ambientSH[2] * n.y +
6710			uniform.ambientSH[3] * n.z +
6711			uniform.ambientSH[4] * n.x * n.z +
6712			uniform.ambientSH[5] * n.z * n.y +
6713			uniform.ambientSH[6] * n.y * n.x +
6714			uniform.ambientSH[7] * (3.0 * n.z * n.z - 1.0) +
6715			uniform.ambientSH[8] * (n.x * n.x - n.y * n.y);
6716		dDiffuseLight += processEnvironment(max(color, vec3f(0.0)));
6717	#endif
6718	#if LIT_AMBIENT_SOURCE == ENVALATLAS
6719		let dir: vec3f = normalize(cubeMapRotate(worldNormal) * vec3f(-1.0, 1.0, 1.0));
6720		let uv: vec2f = mapUv(toSphericalUv(dir), vec4f(128.0, 256.0 + 128.0, 64.0, 32.0) / atlasSize);
6721		let raw: vec4f = textureSample(texture_envAtlas, texture_envAtlasSampler, uv);
6722		let linear: vec3f = {ambientDecode}(raw);
6723		dDiffuseLight += processEnvironment(linear);
6724	#endif
6725	#if LIT_AMBIENT_SOURCE == CONSTANT
6726		dDiffuseLight += uniform.light_globalAmbient;
6727	#endif
6728}
6729`,U3=`
6730#ifdef LIT_GGX_SPECULAR
6731	uniform material_anisotropyIntensity: f32;
6732	uniform material_anisotropyRotation: vec2f;
6733#endif
6734fn getAnisotropy() {
6735	dAnisotropy = 0.0;
6736	dAnisotropyRotation = vec2f(1.0, 0.0);
6737#ifdef LIT_GGX_SPECULAR
6738	dAnisotropy = uniform.material_anisotropyIntensity;
6739	dAnisotropyRotation = uniform.material_anisotropyRotation;
6740#endif
6741#ifdef STD_ANISOTROPY_TEXTURE
6742	let anisotropyTex: vec3f = textureSampleBias({STD_ANISOTROPY_TEXTURE_NAME}, {STD_ANISOTROPY_TEXTURE_NAME}Sampler, {STD_ANISOTROPY_TEXTURE_UV}, uniform.textureBias).rgb;
6743	dAnisotropy *= anisotropyTex.b;

6744	let anisotropyRotationFromTex: vec2f = anisotropyTex.rg * 2.0 - vec2f(1.0);
6745	let rotationMatrix: mat2x2f = mat2x2f(dAnisotropyRotation.x, dAnisotropyRotation.y, -dAnisotropyRotation.y, dAnisotropyRotation.x);
6746	dAnisotropyRotation = rotationMatrix * anisotropyRotationFromTex;
6747#endif
6748	dAnisotropy = clamp(dAnisotropy, 0.0, 1.0);
6749}
6750`,z3=`
6751#if defined(STD_AO_TEXTURE) || defined(STD_AO_VERTEX)
6752	uniform material_aoIntensity: f32;
6753#endif
6754#ifdef STD_AODETAIL_TEXTURE
6755	#include "detailModesPS"
6756#endif
6757fn getAO() {
6758	dAo = 1.0;
6759	#ifdef STD_AO_TEXTURE
6760		var aoBase: f32 = textureSampleBias({STD_AO_TEXTURE_NAME}, {STD_AO_TEXTURE_NAME}Sampler, {STD_AO_TEXTURE_UV}, uniform.textureBias).{STD_AO_TEXTURE_CHANNEL};
6761		#ifdef STD_AODETAIL_TEXTURE
6762			var aoDetail: f32 = textureSampleBias({STD_AODETAIL_TEXTURE_NAME}, {STD_AODETAIL_TEXTURE_NAME}Sampler, {STD_AODETAIL_TEXTURE_UV}, uniform.textureBias).{STD_AODETAIL_TEXTURE_CHANNEL};
6763			aoBase = detailMode_{STD_AODETAIL_DETAILMODE}(vec3f(aoBase), vec3f(aoDetail)).r;
6764		#endif
6765		dAo = dAo * aoBase;
6766	#endif
6767	#ifdef STD_AO_VERTEX
6768		dAo = dAo * saturate(vVertexColor.{STD_AO_VERTEX_CHANNEL});
6769	#endif
6770	#if defined(STD_AO_TEXTURE) || defined(STD_AO_VERTEX)
6771		dAo = mix(1.0, dAo, uniform.material_aoIntensity);
6772	#endif
6773}
6774`,V3=`
6775fn occludeDiffuse(ao: f32) {
6776	dDiffuseLight = dDiffuseLight * ao;
6777}
6778`,G3=`
6779#if LIT_OCCLUDE_SPECULAR != NONE
6780	#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
6781		uniform material_occludeSpecularIntensity: f32;
6782	#endif
6783#endif
6784fn occludeSpecular(gloss: f32, ao: f32, worldNormal: vec3f, viewDir: vec3f) {
6785	#if LIT_OCCLUDE_SPECULAR == AO
6786		#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
6787			var specOcc: f32 = mix(1.0, ao, uniform.material_occludeSpecularIntensity);
6788		#else
6789			var specOcc: f32 = ao;
6790		#endif
6791	#endif
6792	#if LIT_OCCLUDE_SPECULAR == GLOSSDEPENDENT
6793		var specPow: f32 = exp2(gloss * 11.0);
6794		var specOcc: f32 = saturate(pow(dot(worldNormal, viewDir) + ao, 0.01 * specPow) - 1.0 + ao);
6795		#ifdef LIT_OCCLUDE_SPECULAR_FLOAT
6796			specOcc = mix(1.0, specOcc, uniform.material_occludeSpecularIntensity);
6797		#endif
6798	#endif
6799	#if LIT_OCCLUDE_SPECULAR != NONE
6800		dSpecularLight = dSpecularLight * specOcc;
6801		dReflection = dReflection * specOcc;
6802		#ifdef LIT_SHEEN
6803			sSpecularLight = sSpecularLight * specOcc;
6804			sReflection = sReflection * specOcc;
6805		#endif
6806	#endif
6807}
6808`,H3=`
6809	let dirLm = textureSample(texture_dirLightMap, texture_dirLightMapSampler, vUv1);
6810	if (uniform.bakeDir > 0.5) {
6811		if (dAtten > 0.00001) {
6812			let unpacked_dir = dirLm.xyz * 2.0 - vec3f(1.0);
6813			dAtten = clamp(dAtten, 0.0, 1.0);
6814			let combined_dir = dLightDirNormW.xyz * dAtten + unpacked_dir * dirLm.w;
6815			let finalRgb = normalize(combined_dir) * 0.5 + vec3f(0.5);
6816			let finalA = max(dirLm.w + dAtten, 1.0 / 255.0);
6817			output.color = vec4f(finalRgb, finalA);
6818		} else {
6819			output.color = dirLm;
6820		}
6821	} else {
6822		let alpha_min = select(0.0, 1.0 / 255.0, dAtten > 0.00001);
6823		let finalA = max(dirLm.w, alpha_min);
6824		output.color = vec4f(dirLm.rgb, finalA);
6825	}
6826`,W3=`
6827#ifdef LIT_LIGHTMAP_BAKING_ADD_AMBIENT
6828	dDiffuseLight = ((dDiffuseLight - 0.5) * max(uniform.ambientBakeOcclusionContrast + 1.0, 0.0)) + 0.5;
6829	dDiffuseLight = dDiffuseLight + vec3f(uniform.ambientBakeOcclusionBrightness);
6830	dDiffuseLight = saturate3(dDiffuseLight);
6831	dDiffuseLight = dDiffuseLight * dAmbientLight;
6832#endif
6833#ifdef LIGHTMAP_RGBM
6834	var temp_color_rgbm = vec4f(dDiffuseLight, 1.0);
6835	temp_color_rgbm = vec4f(pow(temp_color_rgbm.rgb, vec3f(0.5)), temp_color_rgbm.a);
6836	temp_color_rgbm = vec4f(temp_color_rgbm.rgb / 8.0, temp_color_rgbm.a);
6837	let max_g_b = max(temp_color_rgbm.g, max(temp_color_rgbm.b, 1.0 / 255.0));
6838	let max_rgb = max(temp_color_rgbm.r, max_g_b);
6839	temp_color_rgbm.a = clamp(max_rgb, 0.0, 1.0);
6840	temp_color_rgbm.a = ceil(temp_color_rgbm.a * 255.0) / 255.0;
6841	temp_color_rgbm = vec4f(temp_color_rgbm.rgb / temp_color_rgbm.a, temp_color_rgbm.a);
6842	output.color = temp_color_rgbm;
6843#else
6844	output.color = vec4f(dDiffuseLight, 1.0);
6845#endif
6846`,X3=`
6847uniform view_position: vec3f;
6848uniform light_globalAmbient: vec3f;
6849fn square(x: f32) -> f32 {
6850	return x*x;
6851}
6852fn saturate(x: f32) -> f32 {
6853	return clamp(x, 0.0, 1.0);
6854}
6855fn saturate3(x: vec3f) -> vec3f {
6856	return clamp(x, vec3f(0.0), vec3f(1.0));
6857}
6858`,Y3=`
6859#define NINESLICED
6860varying vMask: vec2f;
6861varying vTiledUv: vec2f;
6862uniform innerOffset: vec4f;
6863uniform outerScale: vec2f;
6864uniform atlasRect: vec4f;
6865var<private>

6865 nineSlicedUv: vec2f;
6866`,j3=`
6867#define NINESLICED
6868#define NINESLICETILED
6869varying vMask: vec2f;
6870varying vTiledUv: vec2f;
6871uniform innerOffset: vec4f;
6872uniform outerScale: vec2f;
6873uniform atlasRect: vec4f;
6874var<private> nineSlicedUv: vec2f;
6875`,q3=`
6876fn bayer2(p: vec2f) -> f32 {
6877	return (2.0 * p.y + p.x + 1.0) % 4.0;
6878}
6879fn bayer4(p: vec2f) -> f32 {
6880	let p1: vec2f = p % vec2f(2.0);
6881	let p2: vec2f = floor(0.5 * (p % vec2f(4.0)));
6882	return 4.0 * bayer2(p1) + bayer2(p2);
6883}
6884fn bayer8(p: vec2f) -> f32 {
6885	let p1: vec2f = p % vec2f(2.0);
6886	let p2: vec2f = floor(0.5 * (p % vec2f(4.0)));
6887	let p4: vec2f = floor(0.25 * (p % vec2f(8.0)));
6888	return 4.0 * (4.0 * bayer2(p1) + bayer2(p2)) + bayer2(p4);
6889}
6890`,$3=`
6891varying vUv0: vec2f;
6892var source: texture_2d<f32>;
6893var sourceSampler: sampler;
6894#ifdef GAUSS
6895	uniform weight: array<f32, {SAMPLES}>;
6896#endif
6897uniform pixelOffset: vec2f;
6898@fragment
6899fn fragmentMain(input: FragmentInput) -> FragmentOutput {
6900	var output: FragmentOutput;
6901	var moments: vec3f = vec3f(0.0);
6902	let uv: vec2f = input.vUv0 - uniform.pixelOffset * (f32({SAMPLES}) * 0.5);
6903	for (var i: i32 = 0; i < {SAMPLES}; i = i + 1) {

6904		let c: vec4f = textureSample(source, sourceSampler, uv + uniform.pixelOffset * f32(i));
6905		#ifdef GAUSS
6906			moments = moments + c.xyz * uniform.weight[i].element;
6907		#else
6908			moments = moments + c.xyz;
6909		#endif
6910	}
6911	#ifndef GAUSS
6912		moments = moments * (1.0 / f32({SAMPLES}));
6913	#endif
6914	output.color = vec4f(moments, 1.0);
6915	return output;
6916}
6917`,K3=`
6918uniform material_clearCoat: f32;
6919fn getClearCoat() {
6920	ccSpecularity = uniform.material_clearCoat;
6921	#ifdef STD_CLEARCOAT_TEXTURE
6922	ccSpecularity = ccSpecularity * textureSampleBias({STD_CLEARCOAT_TEXTURE_NAME}, {STD_CLEARCOAT_TEXTURE_NAME}Sampler, {STD_CLEARCOAT_TEXTURE_UV}, uniform.textureBias).{STD_CLEARCOAT_TEXTURE_CHANNEL};
6923	#endif
6924	#ifdef STD_CLEARCOAT_VERTEX
6925	ccSpecularity = ccSpecularity * saturate(vVertexColor.{STD_CLEARCOAT_VERTEX_CHANNEL});
6926	#endif
6927}
6928`,Z3=`
6929	uniform material_clearCoatGloss: f32;
6930fn getClearCoatGlossiness() {
6931	ccGlossiness = uniform.material_clearCoatGloss;
6932	#ifdef STD_CLEARCOATGLOSS_TEXTURE
6933	ccGlossiness = ccGlossiness * textureSampleBias({STD_CLEARCOATGLOSS_TEXTURE_NAME}, {STD_CLEARCOATGLOSS_TEXTURE_NAME}Sampler, {STD_CLEARCOATGLOSS_TEXTURE_UV}, uniform.textureBias).{STD_CLEARCOATGLOSS_TEXTURE_CHANNEL};
6934	#endif
6935	#ifdef STD_CLEARCOATGLOSS_VERTEX
6936	ccGlossiness = ccGlossiness * saturate(vVertexColor.{STD_CLEARCOATGLOSS_VERTEX_CHANNEL});
6937	#endif
6938	#ifdef STD_CLEARCOATGLOSS_INVERT
6939	ccGlossiness = 1.0 - ccGlossiness;
6940	#endif
6941	ccGlossiness += 0.0000001;
6942}
6943`,Q3=`
6944#ifdef STD_CLEARCOATNORMAL_TEXTURE
6945	uniform material_clearCoatBumpiness: f32;
6946#endif
6947fn getClearCoatNormal() {
6948#ifdef STD_CLEARCOATNORMAL_TEXTURE
6949	var normalMap: vec3f = {STD_CLEARCOATNORMAL_TEXTURE_DECODE}(textureSampleBias({STD_CLEARCOATNORMAL_TEXTURE_NAME}, {STD_CLEARCOATNORMAL_TEXTURE_NAME}Sampler, {STD_CLEARCOATNORMAL_TEXTURE_UV}, uniform.textureBias));
6950	normalMap = mix(vec3f(0.0, 0.0, 1.0), normalMap, uniform.material_clearCoatBumpiness);
6951	ccNormalW = normalize(dTBN * normalMap);
6952#else
6953	ccNormalW = dVertexNormalW;
6954#endif
6955}
6956`,J3=`
6957struct FaceCoords {
6958	uv: vec2f,
6959	faceIndex: f32,
6960	tileOffset: vec2f,
6961}
6962fn getCubemapFaceCoordinates(dir: vec3f) -> FaceCoords {
6963	var faceIndex: f32;
6964	var tileOffset: vec2f;
6965	var uv: vec2f;
6966	let vAbs: vec3f = abs(dir);
6967	var ma: f32;
6968	if (vAbs.z >= vAbs.x && vAbs.z >= vAbs.y) {
6969		let is_neg_z = dir.z < 0.0;
6970		faceIndex = select(4.0, 5.0, is_neg_z);
6971		ma = 0.5 / vAbs.z;
6972		uv = vec2f(select(dir.x, -dir.x, is_neg_z), -dir.y);
6973		tileOffset = vec2f(2.0, select(0.0, 1.0, is_neg_z));
6974	} else if (vAbs.y >= vAbs.x) {
6975		let is_neg_y = dir.y < 0.0;
6976		faceIndex = select(2.0, 3.0, is_neg_y);
6977		ma = 0.5 / vAbs.y;
6978		uv = vec2f(dir.x, select(dir.z, -dir.z, is_neg_y));
6979		tileOffset = vec2f(1.0, select(0.0, 1.0, is_neg_y));
6980	} else {
6981		let is_neg_x = dir.x < 0.0;
6982		faceIndex = select(0.0, 1.0, is_neg_x);
6983		ma = 0.5 / vAbs.x;
6984		uv = vec2f(select(-dir.z, dir.z, is_neg_x), -dir.y);
6985		tileOffset = vec2f(0.0, select(0.0, 1.0, is_neg_x));
6986	}
6987	uv = uv * ma + 0.5;
6988	return FaceCoords(uv, faceIndex, tileOffset);
6989}
6990fn getCubemapAtlasCoordinates(omniAtlasViewport: vec3f, shadowEdgePixels: f32, shadowTextureResolution: f32, dir: vec3f) -> vec2f {
6991	let faceData: FaceCoords = getCubemapFaceCoordinates(dir);
6992	var uv: vec2f = faceData.uv;
6993	let tileOffset: vec2f = faceData.tileOffset;
6994	let atlasFaceSize: f32 = omniAtlasViewport.z;
6995	let tileSize: f32 = shadowTextureResolution * atlasFaceSize;
6996	var offset: f32 = shadowEdgePixels / tileSize;
6997	uv = uv * (1.0 - offset * 2.0) + offset;
6998	uv = uv * atlasFaceSize;
6999	uv = uv + tileOffset * atlasFaceSize;
7000	uv = uv + omniAtlasViewport.xy;
7001	return uv;
7002}
7003`,eF=`
7004fn _getCookieClustered(tex: texture_2d<f32>, texSampler: sampler, uv: vec2f, intensity: f32, cookieChannel: vec4f) -> vec3f {
7005	let pixel: vec4f = mix(vec4f(1.0), textureSampleLevel(tex, texSampler, uv, 0.0), intensity);
7006	let isRgb: bool = dot(cookieChannel.rgb, vec3f(1.0)) == 3.0;
7007	return select(vec3f(dot(pixel, cookieChannel)), pixel.rgb, isRgb);
7008}
7009fn getCookie2DClustered(tex: texture_2d<f32>, texSampler: sampler, transform: mat4x4f, worldPosition: vec3f, intensity: f32, cookieChannel: vec4f) -> vec3f {

7010	let projPos: vec4f = transform * vec4f(worldPosition, 1.0);
7011	return _getCookieClustered(tex, texSampler, projPos.xy / projPos.w, intensity, cookieChannel);
7012}
7013fn getCookieCubeClustered(tex: texture_2d<f32>, texSampler: sampler, dir: vec3f, intensity: f32, cookieChannel: vec4f, shadowTextureResolution: f32, shadowEdgePixels: f32, omniAtlasViewport: vec3f) -> vec3f {
7014	let uv: vec2f = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, dir);
7015	return _getCookieClustered(tex, texSampler, uv, intensity, cookieChannel);
7016}
7017`,tF=`
7018fn _getShadowCoordPerspZbuffer(shadowMatrix: mat4x4f, shadowParams: vec4f, wPos: vec3f) -> vec3f {
7019	var projPos = shadowMatrix * vec4f(wPos, 1.0);
7020	return projPos.xyz / projPos.w;
7021}
7022fn getShadowCoordPerspZbufferNormalOffset(shadowMatrix: mat4x4f, shadowParams: vec4f, normal: vec3f) -> vec3f {
7023	let wPos: vec3f = vPositionW + normal * shadowParams.y;
7024	return _getShadowCoordPerspZbuffer(shadowMatrix, shadowParams, wPos);
7025}
7026fn normalOffsetPointShadow(shadowParams: vec4f, lightPos: vec3f, lightDir: vec3f, lightDirNorm: vec3f, normal: vec3f) -> vec3f {
7027	let distScale: f32 = length(lightDir);
7028	let wPos: vec3f = vPositionW + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
7029	let dir: vec3f = wPos - lightPos;
7030	return dir;
7031}
7032#if defined(CLUSTER_SHADOW_TYPE_PCF1)
7033	fn getShadowOmniClusteredPCF1(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowParams: vec4f, omniAtlasViewport: vec3f, shadowEdgePixels: f32, lightDir: vec3f) -> f32 {
7034		let shadowTextureResolution: f32 = shadowParams.x;
7035		let uv: vec2f = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
7036		let shadowZ: f32 = length(lightDir) * shadowParams.w + shadowParams.z;
7037		return textureSampleCompareLevel(shadowMap, shadowMapSampler, uv, shadowZ);
7038	}
7039#endif
7040#if defined(CLUSTER_SHADOW_TYPE_PCF3)
7041	fn getShadowOmniClusteredPCF3(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowParams: vec4f, omniAtlasViewport: vec3f, shadowEdgePixels: f32, lightDir: vec3f) -> f32 {
7042		let shadowTextureResolution: f32 = shadowParams.x;
7043		let uv: vec2f = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
7044		let shadowZ: f32 = length(lightDir) * shadowParams.w + shadowParams.z;
7045		let shadowCoord: vec3f = vec3f(uv, shadowZ);
7046		return getShadowPCF3x3(shadowMap, shadowMapSampler, shadowCoord, shadowParams);
7047	}
7048#endif
7049#if defined(CLUSTER_SHADOW_TYPE_PCF5)
7050	fn getShadowOmniClusteredPCF5(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowParams: vec4f, omniAtlasViewport: vec3f, shadowEdgePixels: f32, lightDir: vec3f) -> f32 {
7051		let shadowTextureResolution: f32 = shadowParams.x;
7052		let uv: vec2f = getCubemapAtlasCoordinates(omniAtlasViewport, shadowEdgePixels, shadowTextureResolution, lightDir);
7053		let shadowZ: f32 = length(lightDir) * shadowParams.w + shadowParams.z;
7054		let shadowCoord: vec3f = vec3f(uv, shadowZ);
7055		return getShadowPCF5x5(shadowMap, shadowMapSampler, shadowCoord, shadowParams);
7056	}
7057#endif
7058#if defined(CLUSTER_SHADOW_TYPE_PCF1)
7059	fn getShadowSpotClusteredPCF1(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
7060		return textureSampleCompareLevel(shadowMap, shadowMapSampler, shadowCoord.xy, shadowCoord.z);
7061	}
7062#endif
7063	#if defined(CLUSTER_SHADOW_TYPE_PCF3)
7064	fn getShadowSpotClusteredPCF3(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
7065		return getShadowSpotPCF3x3(shadowMap, shadowMapSampler, shadowCoord, shadowParams);
7066	}
7067#endif
7068	#if defined(CLUSTER_SHADOW_TYPE_PCF5)
7069	fn getShadowSpotClusteredPCF5(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
7070		return getShadowPCF5x5(shadowMap, shadowMapSampler, shadowCoord, shadowParams);
7071	}
7072#endif
7073`,sF=`
7074#include "lightBufferDefinesPS"
7075#include "clusteredLightUtilsPS"
7076#ifdef CLUSTER_COOKIES
7077	#include "clusteredLightCookiesPS"
7078#endif
7079#ifdef CLUSTER_SHADOWS
7080	#include "clusteredLightShadowsPS"
7081#endif
7082var clusterWorldTexture: texture_2d<u32>;
7083var lightsTexture: texture_2d<uff>;
7084#ifdef CLUSTER_SHADOWS
7085	var shadowAtlasTexture: texture_depth_2d;
7086	var shadowAtlasTextureSampler: sampler_comparison;
7087#endif
7088#ifdef CLUSTER_COOKIES
7089	var cookieAtlasTexture: texture_2d<f32>;
7090	var cookieAtlasTextureSampler: sampler;
7091#endif

7092uniform clusterMaxCells: i32;
7093uniform numClusteredLights: i32;
7094uniform clusterTextureWidth: i32;
7095uniform clusterCellsCountByBoundsSize: vec3f;
7096uniform clusterBoundsMin: vec3f;
7097uniform clusterBoundsDelta: vec3f;
7098uniform clusterCellsDot: vec3i;
7099uniform clusterCellsMax: vec3i;
7100uniform shadowAtlasParams: vec2f;
7101struct ClusterLightData {
7102	position: vec3f,
7103	lightIndex: i32,
7104	direction: vec3f,
7105	shape: u32,
7106	color: vec3f,
7107	shadowIntensity: f32,
7108	range: f32,
7109	biasesData: f32,
7110	cookieIntensity: f32,
7111	isSpot: bool,
7112	falloffModeLinear: bool,
7113	isDynamic: bool,
7114	isLightmapped: bool
7115}
7116struct ClusterLightSpotData {
7117	innerConeAngleCos: f32,
7118	outerConeAngleCos: f32
7119}
7120struct ClusterLightAreaData {
7121	halfWidth: vec3f,
7122	halfHeight: vec3f
7123}
7124struct ClusterLightShadowData {
7125	shadowBias: f32,
7126	shadowNormalBias: f32
7127}
7128var<private> lightProjectionMatrix: mat4x4f;
7129var<private> clusterLightData_flags: u32;
7130var<private> clusterLightData_anglesData: f32;
7131var<private> clusterLightData_colorBFlagsData: u32;
7132fn sampleLightTextureF(lightIndex: i32, index: i32) -> vec4f {
7133	return textureLoad(lightsTexture, vec2<i32>(index, lightIndex), 0);
7134}
7135fn decodeClusterLightCore(lightIndex: i32) -> ClusterLightData {
7136	var clusterLightData: ClusterLightData;
7137	clusterLightData.lightIndex = lightIndex;
7138	let halfData: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_COLOR_ANGLES_BIAS});
7139	clusterLightData_anglesData = halfData.z;
7140	clusterLightData.biasesData = halfData.w;
7141	clusterLightData_colorBFlagsData = bitcast<u32>(halfData.y);
7142	let colorRG: vec2f = unpack2x16float(bitcast<u32>(halfData.x));
7143	let colorB_flags: vec2f = unpack2x16float(clusterLightData_colorBFlagsData);
7144	clusterLightData.color = vec3f(colorRG, colorB_flags.x) * {LIGHT_COLOR_DIVIDER};
7145	let lightPosRange: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_POSITION_RANGE});
7146	clusterLightData.position = lightPosRange.xyz;
7147	clusterLightData.range = lightPosRange.w;
7148	let lightDir_Flags: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_DIRECTION_FLAGS});
7149	clusterLightData.direction = lightDir_Flags.xyz;
7150	clusterLightData_flags = bitcast<u32>(lightDir_Flags.w);
7151	clusterLightData.isSpot = (clusterLightData_flags & (1u << 30u)) != 0u;
7152	clusterLightData.shape = (clusterLightData_flags >> 28u) & 0x3u;
7153	clusterLightData.falloffModeLinear = (clusterLightData_flags & (1u << 27u)) == 0u;
7154	clusterLightData.shadowIntensity = f32((clusterLightData_flags >> 0u) & 0xFFu) / 255.0;
7155	clusterLightData.cookieIntensity = f32((clusterLightData_flags >> 8u) & 0xFFu) / 255.0;
7156	clusterLightData.isDynamic = (clusterLightData_flags & (1u << 22u)) != 0u;
7157	clusterLightData.isLightmapped = (clusterLightData_flags & (1u << 21u)) != 0u;
7158	return clusterLightData;
7159}
7160fn decodeClusterLightSpot() -> ClusterLightSpotData {
7161	let angleFlags: u32 = (clusterLightData_colorBFlagsData >> 16u) & 0xFFFFu;
7162	let angleValues: vec2f = unpack2x16float(bitcast<u32>(clusterLightData_anglesData));
7163	let innerVal: f32 = angleValues.x;
7164	let outerVal: f32 = angleValues.y;
7165	let innerIsVersine: bool = (angleFlags & 1u) != 0u;
7166	let outerIsVersine: bool = ((angleFlags >> 1u) & 1u) != 0u;
7167	return ClusterLightSpotData(
7168		select(innerVal, 1.0 - innerVal, innerIsVersine),
7169		select(outerVal, 1.0 - outerVal, outerIsVersine)
7170	);
7171}
7172fn decodeClusterLightOmniAtlasViewport(lightIndex: i32) -> vec3f {
7173	return sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_0}).xyz;
7174}
7175fn decodeClusterLightAreaData(lightIndex: i32) -> ClusterLightAreaData {
7176	return ClusterLightAreaData(
7177		sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_AREA_DATA_WIDTH}).xyz,
7178		sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_AREA_DATA_HEIGHT}).xyz
7179	);
7180}
7181fn decodeClusterLightProjectionMatrixData(lightIndex: i32) -> mat4x4f {
7182	let m0: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_0});
7183	let m1: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_1});
7184	let m2: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_2});
7185	let m3: vec4f = sampleLightTextureF(lightIndex, {CLUSTER_TEXTURE_PROJ_MAT_3});
7186	return mat4x4f(m0, m1, m2, m3);
7187}
7188fn decodeClusterLightShadowData(biasesData: f32) -> ClusterLightShadowData {
7189	let biases: vec2f = unpack2x16float(bitcast<u32>(biasesData));
7190	return ClusterLightShadowData(biases.x, biases.y);
7191}
7192fn decodeClusterLightCookieData() -> vec4f {
7193	let cookieFlags: u32 = (clusterLightData_flags >> 23u) & 0x0Fu;
7194	let mask_uvec: vec4<u32> = vec4<u32>(cookieFlags) & vec4<u32>(1u, 2u, 4u, 8u);
7195	return step(vec4f(1.0), vec4f(mask_uvec));
7196}
7197fn evaluateLight(
7198	light: ClusterLightData,
7199	worldNormal: vec3f,
7200	viewDir: vec3f,
7201	reflectionDir: vec3f,
7202#if defined(LIT_CLEARCOAT)
7203	clearcoatReflectionDir: vec3f,
7204#endif
7205	gloss: f32,
7206	specularity: vec3f,
7207	geometricNormal: vec3f,
7208	tbn: mat3x3f,
7209#if defined(LIT_IRIDESCENCE)
7210	iridescenceFresnel: vec3f,
7211#endif
7212	clearcoat_worldNormal: vec3f,
7213	clearcoat_gloss: f32,
7214	sheen_gloss: f32,
7215	iridescence_intensity: f32
7216) {
7217	var cookieAttenuation: vec3f = vec3f(1.0);
7218	var diffuseAttenuation: f32 = 1.0;
7219	var falloffAttenuation: f32 = 1.0;
7220	let lightDirW: vec3f = evalOmniLight(light.position);
7221	let lightDirNormW: vec3f = normalize(lightDirW);
7222	#ifdef CLUSTER_AREALIGHTS
7223	if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
7224		let areaData: ClusterLightAreaData = decodeClusterLightAreaData(light.lightIndex);
7225		if (light.shape == {LIGHTSHAPE_RECT}) {
7226			calcRectLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
7227		} else if (light.shape == {LIGHTSHAPE_DISK}) {
7228			calcDiskLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
7229		} else {
7230			calcSphereLightValues(light.position, areaData.halfWidth, areaData.halfHeight);
7231		}
7232		falloffAttenuation = getFalloffWindow(light.range, lightDirW);
7233	} else
7234	#endif
7235	{
7236		if (light.falloffModeLinear) {
7237			falloffAttenuation = getFalloffLinear(light.range, lightDirW);
7238		} else {
7239			falloffAttenuation = getFalloffInvSquared(light.range, lightDirW);
7240		}
7241	}
7242	if (falloffAttenuation > 0.00001) {
7243		#ifdef CLUSTER_AREALIGHTS
7244		if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
7245			if (light.shape == {LIGHTSHAPE_RECT}) {
7246				diffuseAttenuation = getRectLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
7247			} else if (light.shape == {LIGHTSHAPE_DISK}) {
7248				diffuseAttenuation = getDiskLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
7249			} else {
7250				diffuseAttenuation = getSphereLightDiffuse(worldNormal, viewDir, lightDirW, lightDirNormW) * 16.0;
7251			}
7252		} else
7253		#endif
7254		{
7255			falloffAttenuation = falloffAttenuation * getLightDiffuse(worldNormal, viewDir, lightDirNormW);
7256		}
7257		if (light.isSpot) {
7258			let spotData: ClusterLightSpotData = decodeClusterLightSpot();
7259			falloffAttenuation = falloffAttenuation * getSpotEffect(light.direction, spotData.innerConeAngleCos, spotData.outerConeAngleCos, lightDirNormW);
7260		}
7261		#if defined(CLUSTER_COOKIES) || defined(CLUSTER_SHADOWS)
7262		if (falloffAttenuation > 0.00001) {
7263			if (light.shadowIntensity > 0.0 || light.cookieIntensity > 0.0) {
7264				var omniAtlasViewport: vec3f = vec3f(0.0);
7265				if (light.isSpot) {
7266					lightProjectionMatrix = decodeClusterLightProjectionMatrixData(light.lightIndex);
7267				} else {
7268					omniAtlasViewport = decodeClusterLightOmniAtlasViewport(light.lightIndex);
7269				}
7270				let shadowTextureResolution: f32 = uniform.shadowAtlasParams.x;
7271				let shadowEdgePixels: f32 = uniform.shadowAtlasParams.y;
7272				#ifdef CLUSTER_COOKIES
7273				if (light.cookieIntensity > 0.0) {

7274					let cookieChannelMask: vec4f = decodeClusterLightCookieData();
7275					if (light.isSpot) {
7276						cookieAttenuation = getCookie2DClustered(cookieAtlasTexture, cookieAtlasTextureSampler, lightProjectionMatrix, vPositionW, light.cookieIntensity, cookieChannelMask);
7277					} else {
7278						cookieAttenuation = getCookieCubeClustered(cookieAtlasTexture, cookieAtlasTextureSampler, lightDirW, light.cookieIntensity, cookieChannelMask, shadowTextureResolution, shadowEdgePixels, omniAtlasViewport);
7279					}
7280				}
7281				#endif
7282				#ifdef CLUSTER_SHADOWS
7283				if (light.shadowIntensity > 0.0) {
7284					let shadowData: ClusterLightShadowData = decodeClusterLightShadowData(light.biasesData);
7285					let shadowParams: vec4f = vec4f(shadowTextureResolution, shadowData.shadowNormalBias, shadowData.shadowBias, 1.0 / light.range);
7286					if (light.isSpot) {
7287						let shadowCoord: vec3f = getShadowCoordPerspZbufferNormalOffset(lightProjectionMatrix, shadowParams, geometricNormal);
7288						#if defined(CLUSTER_SHADOW_TYPE_PCF1)
7289							let shadow: f32 = getShadowSpotClusteredPCF1(shadowAtlasTexture, shadowAtlasTextureSampler, shadowCoord, shadowParams);
7290						#elif defined(CLUSTER_SHADOW_TYPE_PCF3)
7291							let shadow: f32 = getShadowSpotClusteredPCF3(shadowAtlasTexture, shadowAtlasTextureSampler, shadowCoord, shadowParams);
7292						#elif defined(CLUSTER_SHADOW_TYPE_PCF5)
7293							let shadow: f32 = getShadowSpotClusteredPCF5(shadowAtlasTexture, shadowAtlasTextureSampler, shadowCoord, shadowParams);
7294						#elif defined(CLUSTER_SHADOW_TYPE_PCSS)
7295							let shadow: f32 = getShadowSpotClusteredPCSS(shadowAtlasTexture, shadowAtlasTextureSampler, shadowCoord, shadowParams);
7296						#endif
7297						falloffAttenuation = falloffAttenuation * mix(1.0, shadow, light.shadowIntensity);
7298					} else {
7299						let dir: vec3f = normalOffsetPointShadow(shadowParams, light.position, lightDirW, lightDirNormW, geometricNormal);
7300						#if defined(CLUSTER_SHADOW_TYPE_PCF1)
7301							let shadow: f32 = getShadowOmniClusteredPCF1(shadowAtlasTexture, shadowAtlasTextureSampler, shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
7302						#elif defined(CLUSTER_SHADOW_TYPE_PCF3)
7303							let shadow: f32 = getShadowOmniClusteredPCF3(shadowAtlasTexture, shadowAtlasTextureSampler, shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
7304						#elif defined(CLUSTER_SHADOW_TYPE_PCF5)
7305							let shadow: f32 = getShadowOmniClusteredPCF5(shadowAtlasTexture, shadowAtlasTextureSampler, shadowParams, omniAtlasViewport, shadowEdgePixels, dir);
7306						#endif
7307						falloffAttenuation = falloffAttenuation * mix(1.0, shadow, light.shadowIntensity);
7308					}
7309				}
7310				#endif
7311			}
7312		}
7313		#endif
7314		#ifdef CLUSTER_AREALIGHTS
7315		if (light.shape != {LIGHTSHAPE_PUNCTUAL}) {
7316			{
7317				var areaDiffuse: vec3f = (diffuseAttenuation * falloffAttenuation) * light.color * cookieAttenuation;
7318				#if defined(LIT_SPECULAR)
7319					areaDiffuse = mix(areaDiffuse, vec3f(0.0), dLTCSpecFres);
7320				#endif
7321				dDiffuseLight = dDiffuseLight + areaDiffuse;
7322			}
7323			#ifdef LIT_SPECULAR
7324				var areaLightSpecular: f32;
7325				if (light.shape == {LIGHTSHAPE_RECT}) {
7326					areaLightSpecular = getRectLightSpecular(worldNormal, viewDir);
7327				} else if (light.shape == {LIGHTSHAPE_DISK}) {
7328					areaLightSpecular = getDiskLightSpecular(worldNormal, viewDir);
7329				} else {
7330					areaLightSpecular = getSphereLightSpecular(worldNormal, viewDir);
7331				}
7332				dSpecularLight = dSpecularLight + dLTCSpecFres * areaLightSpecular * falloffAttenuation * light.color * cookieAttenuation;
7333				#ifdef LIT_CLEARCOAT
7334					var areaLightSpecularCC: f32;
7335					if (light.shape == {LIGHTSHAPE_RECT}) {
7336						areaLightSpecularCC = getRectLightSpecular(clearcoat_worldNormal, viewDir);
7337					} else if (light.shape == {LIGHTSHAPE_DISK}) {
7338						areaLightSpecularCC = getDiskLightSpecular(clearcoat_worldNormal, viewDir);
7339					} else {
7340						areaLightSpecularCC = getSphereLightSpecular(clearcoat_worldNormal, viewDir);
7341					}
7342					ccSpecularLight = ccSpecularLight + ccLTCSpecFres * areaLightSpecularCC * falloffAttenuation * light.color  * cookieAttenuation;
7343				#endif
7344			#endif
7345		} else
7346		#endif
7347		{
7348			{
7349				var punctualDiffuse: vec3f = falloffAttenuation * light.color * cookieAttenuation;
7350				#if defined(CLUSTER_AREALIGHTS)
7351				#if defined(LIT_SPECULAR)
7352					punctualDiffuse = mix(punctualDiffuse, vec3f(0.0), specularity);
7353				#endif
7354				#endif
7355				dDiffuseLight = dDiffuseLight + punctualDiffuse;
7356			}
7357			#ifdef LIT_SPECULAR
7358				let halfDir: vec3f = normalize(-lightDirNormW + viewDir);
7359				#ifdef LIT_SPECULAR_FRESNEL
7360					dSpecularLight = dSpecularLight +
7361						getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, lightDirNormW, gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation *
7362						getFresnel(
7363							dot(viewDir, halfDir),
7364							gloss,
7365							specularity
7366						#if defined(LIT_IRIDESCENCE)
7367							, iridescenceFresnel,
7368							iridescence_intensity
7369						#endif
7370							);
7371				#else
7372					dSpecularLight = dSpecularLight + getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, lightDirNormW, gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation * specularity;
7373				#endif
7374				#ifdef LIT_CLEARCOAT
7375					#ifdef LIT_SPECULAR_FRESNEL
7376						ccSpecularLight = ccSpecularLight + getLightSpecular(halfDir, clearcoatReflectionDir, clearcoat_worldNormal, viewDir, lightDirNormW, clearcoat_gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation * getFresnelCC(dot(viewDir, halfDir));
7377					#else
7378						ccSpecularLight = ccSpecularLight + getLightSpecular(halfDir, clearcoatReflectionDir, clearcoat_worldNormal, viewDir, lightDirNormW, clearcoat_gloss, tbn) * falloffAttenuation * light.color * cookieAttenuation;
7379					#endif
7380				#endif
7381				#ifdef LIT_SHEEN
7382					sSpecularLight = sSpecularLight + getLightSpecularSheen(halfDir, worldNormal, viewDir, lightDirNormW, sheen_gloss) * falloffAttenuation * light.color * cookieAttenuation;
7383				#endif
7384			#endif
7385		}
7386	}
7387	dAtten = falloffAttenuation;
7388	dLightDirNormW = lightDirNormW;
7389}
7390fn evaluateClusterLight(
7391	lightIndex: i32,
7392	worldNormal: vec3f,
7393	viewDir: vec3f,
7394	reflectionDir: vec3f,
7395#if defined(LIT_CLEARCOAT)
7396	clearcoatReflectionDir: vec3f,
7397#endif
7398	gloss: f32,
7399	specularity: vec3f,
7400	geometricNormal: vec3f,
7401	tbn: mat3x3f,
7402#if defined(LIT_IRIDESCENCE)
7403	iridescenceFresnel: vec3f,
7404#endif
7405	clearcoat_worldNormal: vec3f,
7406	clearcoat_gloss: f32,
7407	sheen_gloss: f32,
7408	iridescence_intensity: f32
7409) {
7410	let clusterLightData: ClusterLightData = decodeClusterLightCore(lightIndex);
7411	#ifdef CLUSTER_MESH_DYNAMIC_LIGHTS
7412		let acceptLightMask: bool = clusterLightData.isDynamic;
7413	#else
7414		let acceptLightMask: bool = clusterLightData.isLightmapped;
7415	#endif
7416	if (acceptLightMask) {
7417		evaluateLight(
7418			clusterLightData,
7419			worldNormal,
7420			viewDir,
7421			reflectionDir,
7422#if defined(LIT_CLEARCOAT)
7423			clearcoatReflectionDir,
7424#endif
7425			gloss,
7426			specularity,
7427			geometricNormal,
7428			tbn,
7429#if defined(LIT_IRIDESCENCE)
7430			iridescenceFresnel,
7431#endif
7432			clearcoat_worldNormal,
7433			clearcoat_gloss,
7434			sheen_gloss,
7435			iridescence_intensity
7436		);
7437	}
7438}
7439fn addClusteredLights(
7440	worldNormal: vec3f,
7441	viewDir: vec3f,
7442	reflectionDir: vec3f,
7443#if defined(LIT_CLEARCOAT)
7444	clearcoatReflectionDir: vec3f,
7445#endif
7446	gloss: f32,
7447	specularity: vec3f,
7448	geometricNormal: vec3f,
7449	tbn: mat3x3f,
7450#if defined(LIT_IRIDESCENCE)
7451	iridescenceFresnel: vec3f,
7452#endif
7453	clearcoat_worldNormal: vec3f,
7454	clearcoat_gloss: f32,
7455	sheen_gloss: f32,
7456	iridescence_intensity: f32
7457) {
7458	if (uniform.numClusteredLights <= 1) {
7459		return;
7460	}
7461	let cellCoords: vec3i = vec3i(floor((vPositionW - uniform.clusterBoundsMin) * uniform.clusterCellsCountByBoundsSize));
7462	if (!(any(cellCoords < vec3i(0)) || any(cellCoords >= uniform.clusterCellsMax))) {
7463		let cellIndex: i32 = cellCoords.x * uniform.clusterCellsDot.x + cellCoords.y * uniform.clusterCellsDot.y + cell

7463Coords.z * uniform.clusterCellsDot.z;
7464		let clusterV: i32 = cellIndex / uniform.clusterTextureWidth;
7465		let clusterU: i32 = cellIndex - clusterV * uniform.clusterTextureWidth;
7466		for (var lightCellIndex: i32 = 0; lightCellIndex < uniform.clusterMaxCells; lightCellIndex = lightCellIndex + 1) {
7467			let lightIndex: u32 = textureLoad(clusterWorldTexture, vec2<i32>(clusterU + lightCellIndex, clusterV), 0).r;
7468			if (lightIndex == 0u) {
7469				break;
7470			}
7471			evaluateClusterLight(
7472				i32(lightIndex),
7473				worldNormal,
7474				viewDir,
7475				reflectionDir,
7476#if defined(LIT_CLEARCOAT)
7477				clearcoatReflectionDir,
7478#endif
7479				gloss,
7480				specularity,
7481				geometricNormal,
7482				tbn,
7483#if defined(LIT_IRIDESCENCE)
7484				iridescenceFresnel,
7485#endif
7486				clearcoat_worldNormal,
7487				clearcoat_gloss,
7488				sheen_gloss,
7489				iridescence_intensity
7490			);
7491		}
7492	}
7493}`,iF=`
7494fn combineColor(albedo: vec3f, sheenSpecularity: vec3f, clearcoatSpecularity: f32) -> vec3f {
7495	var ret: vec3f = vec3f(0.0);
7496	#ifdef LIT_OLD_AMBIENT
7497		ret = ret + ((dDiffuseLight - uniform.light_globalAmbient) * albedo + uniform.material_ambient * uniform.light_globalAmbient);
7498	#else
7499		ret = ret + (albedo * dDiffuseLight);
7500	#endif
7501	#ifdef LIT_SPECULAR
7502		ret = ret + dSpecularLight;
7503	#endif
7504	#ifdef LIT_REFLECTIONS
7505		ret = ret + (dReflection.rgb * dReflection.a);
7506	#endif
7507	#ifdef LIT_SHEEN
7508		let sheenScaling: f32 = 1.0 - max(max(sheenSpecularity.r, sheenSpecularity.g), sheenSpecularity.b) * 0.157;
7509		ret = ret * sheenScaling + (sSpecularLight + sReflection.rgb) * sheenSpecularity;
7510	#endif
7511	#ifdef LIT_CLEARCOAT
7512		let clearCoatScaling: f32 = 1.0 - ccFresnel * clearcoatSpecularity;
7513		ret = ret * clearCoatScaling + (ccSpecularLight + ccReflection) * clearcoatSpecularity;
7514	#endif
7515	return ret;
7516}
7517`,rF=`
7518	varying uv0: vec2f;
7519	var blitTexture: texture_2d<f32>;
7520	var blitTextureSampler : sampler;
7521	@fragment
7522	fn fragmentMain(input : FragmentInput) -> FragmentOutput {
7523		var output: FragmentOutput;
7524		output.color = textureSample(blitTexture, blitTextureSampler, input.uv0);
7525		return output;
7526	}
7527`,aF=`
7528	varying uv0: vec2f;
7529	uniform invViewProj: mat4x4<f32>;
7530	var blitTexture: texture_cube<f32>;
7531	var blitTextureSampler : sampler;
7532	@fragment
7533	fn fragmentMain(input : FragmentInput) -> FragmentOutput {
7534		var output: FragmentOutput;
7535		var projPos = vec4f(input.uv0 * 2.0 - 1.0, 0.5, 1.0);
7536		var worldPos = uniform.invViewProj * projPos;
7537		output.color = textureSample(blitTexture, blitTextureSampler, worldPos.xyz);
7538		return output;
7539	}
7540`,nF=`
7541	attribute vertex_position: vec2f;
7542	varying uv0: vec2f;
7543	@vertex
7544	fn vertexMain(input: VertexInput) -> VertexOutput {
7545		var output: VertexOutput;
7546		output.position = vec4f(input.vertex_position, 0.5, 1.0);
7547		output.uv0 = input.vertex_position * 0.5 + vec2f(0.5, 0.5);
7548		output.uv0.y = 1.0 - output.uv0.y;
7549		return output;
7550	}
7551`,oF=`
7552#if LIT_CUBEMAP_PROJECTION == BOX
7553	uniform envBoxMin: vec3f;
7554	uniform envBoxMax: vec3f;
7555#endif
7556fn cubeMapProject(nrdir: vec3f) -> vec3f {
7557	#if LIT_CUBEMAP_PROJECTION == NONE
7558		return cubeMapRotate(nrdir);
7559	#endif
7560	#if LIT_CUBEMAP_PROJECTION == BOX
7561		let nrdir_rotated: vec3f = cubeMapRotate(nrdir);
7562		let rbmax: vec3f = (uniform.envBoxMax - vPositionW) / nrdir_rotated;
7563		let rbmin: vec3f = (uniform.envBoxMin - vPositionW) / nrdir_rotated;
7564		let rbminmax: vec3f = select(rbmin, rbmax, nrdir_rotated > vec3f(0.0));
7565		let fa: f32 = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
7566		let posonbox: vec3f = vPositionW + nrdir_rotated * fa;
7567		let envBoxPos: vec3f = (uniform.envBoxMin + uniform.envBoxMax) * 0.5;
7568		return normalize(posonbox - envBoxPos);
7569	#endif
7570}
7571`,lF=`
7572#ifdef CUBEMAP_ROTATION
7573uniform cubeMapRotationMatrix: mat3x3f;
7574#endif
7575fn cubeMapRotate(refDir: vec3f) -> vec3f {
7576#ifdef CUBEMAP_ROTATION
7577	return refDir * uniform.cubeMapRotationMatrix;
7578#else
7579	return refDir;
7580#endif
7581}
7582`,cF=`
7583#ifdef DEBUG_ALBEDO_PASS
7584output.color = vec4(gammaCorrectOutput(dAlbedo), 1.0);
7585#endif
7586#ifdef DEBUG_UV0_PASS
7587output.color = vec4f(litArgs_albedo , 1.0);
7588#endif
7589#ifdef DEBUG_WORLD_NORMAL_PASS
7590output.color = vec4f(litArgs_worldNormal * 0.5 + 0.5, 1.0);
7591#endif
7592#ifdef DEBUG_OPACITY_PASS
7593output.color = vec4f(vec3f(litArgs_opacity) , 1.0);
7594#endif
7595#ifdef DEBUG_SPECULARITY_PASS
7596output.color = vec4f(litArgs_specularity, 1.0);
7597#endif
7598#ifdef DEBUG_GLOSS_PASS
7599output.color = vec4f(vec3f(litArgs_gloss) , 1.0);
7600#endif
7601#ifdef DEBUG_METALNESS_PASS
7602output.color = vec4f(vec3f(litArgs_metalness) , 1.0);
7603#endif
7604#ifdef DEBUG_AO_PASS
7605output.color = vec4f(vec3f(litArgs_ao) , 1.0);
7606#endif
7607#ifdef DEBUG_EMISSION_PASS
7608output.color = vec4f(gammaCorrectOutput(litArgs_emission), 1.0);
7609#endif
7610`,hF=`
7611#ifdef DEBUG_LIGHTING_PASS
7612	litArgs_albedo = vec3f(0.5);
7613#endif
7614#ifdef DEBUG_UV0_PASS
7615#ifdef VARYING_VUV0
7616	litArgs_albedo = vec3f(vUv0, 0.0);
7617#else
7618	litArgs_albedo = vec3f(0.0);
7619#endif
7620#endif
7621`,dF=`
7622#ifndef _DECODE_INCLUDED_
7623#define _DECODE_INCLUDED_
7624fn decodeLinear(raw: vec4f) -> vec3f {
7625	return raw.rgb;
7626}
7627fn decodeGammaFloat(raw: f32) -> f32 {
7628	return pow(raw, 2.2);
7629}
7630fn decodeGamma3(raw: vec3f) -> vec3f {
7631	return pow(raw, vec3f(2.2));
7632}
7633fn decodeGamma(raw: vec4f) -> vec3f {
7634	return pow(raw.xyz, vec3f(2.2));
7635}
7636fn decodeRGBM(raw: vec4f) -> vec3f {
7637	let color = (8.0 * raw.a) * raw.rgb;
7638	return color * color;
7639}
7640fn decodeRGBP(raw: vec4f) -> vec3f {
7641	let color = raw.rgb * (-raw.a * 7.0 + 8.0);
7642	return color * color;
7643}
7644fn decodeRGBE(raw: vec4f) -> vec3f {
7645	return select(vec3f(0.0), raw.xyz * pow(2.0, raw.w * 255.0 - 128.0), raw.a != 0.0);
7646}
7647fn passThrough(raw: vec4f) -> vec4f {
7648	return raw;
7649}
7650fn unpackNormalXYZ(nmap: vec4f) -> vec3f {
7651	return nmap.xyz * 2.0 - 1.0;
7652}
7653fn unpackNormalXY(nmap: vec4f) -> vec3f {
7654	var xy = nmap.wy * 2.0 - 1.0;
7655	return vec3f(xy, sqrt(1.0 - clamp(dot(xy, xy), 0.0, 1.0)));
7656}
7657#endif
7658`,uF=`
7659#ifndef _DETAILMODES_INCLUDED_
7660#define _DETAILMODES_INCLUDED_

7661fn detailMode_mul(c1: vec3f, c2: vec3f) -> vec3f {
7662	return c1 * c2;
7663}
7664fn detailMode_add(c1: vec3f, c2: vec3f) -> vec3f {
7665	return c1 + c2;
7666}
7667fn detailMode_screen(c1: vec3f, c2: vec3f) -> vec3f {
7668	return 1.0 - (1.0 - c1)*(1.0 - c2);
7669}
7670fn detailMode_overlay(c1: vec3f, c2: vec3f) -> vec3f {
7671	return mix(1.0 - 2.0 * (1.0 - c1)*(1.0 - c2), 2.0 * c1 * c2, step(c1, vec3f(0.5)));
7672}
7673fn detailMode_min(c1: vec3f, c2: vec3f) -> vec3f {
7674	return min(c1, c2);
7675}
7676fn detailMode_max(c1: vec3f, c2: vec3f) -> vec3f {
7677	return max(c1, c2);
7678}
7679#endif
7680`,fF=`
7681uniform material_diffuse: vec3f;
7682#ifdef STD_DIFFUSEDETAIL_TEXTURE
7683	#include "detailModesPS"
7684#endif
7685fn getAlbedo() {
7686	dAlbedo = uniform.material_diffuse.rgb;
7687	#ifdef STD_DIFFUSE_TEXTURE
7688		var albedoTexture: vec3f = {STD_DIFFUSE_TEXTURE_DECODE}(textureSampleBias({STD_DIFFUSE_TEXTURE_NAME}, {STD_DIFFUSE_TEXTURE_NAME}Sampler, {STD_DIFFUSE_TEXTURE_UV}, uniform.textureBias)).{STD_DIFFUSE_TEXTURE_CHANNEL};
7689		#ifdef STD_DIFFUSEDETAIL_TEXTURE
7690			var albedoDetail: vec3f = {STD_DIFFUSEDETAIL_TEXTURE_DECODE}(textureSampleBias({STD_DIFFUSEDETAIL_TEXTURE_NAME}, {STD_DIFFUSEDETAIL_TEXTURE_NAME}Sampler, {STD_DIFFUSEDETAIL_TEXTURE_UV}, uniform.textureBias)).{STD_DIFFUSEDETAIL_TEXTURE_CHANNEL};
7691			albedoTexture = detailMode_{STD_DIFFUSEDETAIL_DETAILMODE}(albedoTexture, albedoDetail);
7692		#endif
7693		dAlbedo = dAlbedo * albedoTexture;
7694	#endif
7695	#ifdef STD_DIFFUSE_VERTEX
7696		dAlbedo = dAlbedo * saturate3(vVertexColor.{STD_DIFFUSE_VERTEX_CHANNEL});
7697	#endif
7698}
7699`,pF=`
7700uniform material_emissive: vec3f;
7701uniform material_emissiveIntensity: f32;
7702fn getEmission() {
7703	dEmission = uniform.material_emissive * uniform.material_emissiveIntensity;
7704	#ifdef STD_EMISSIVE_TEXTURE
7705	dEmission *= {STD_EMISSIVE_TEXTURE_DECODE}(textureSampleBias({STD_EMISSIVE_TEXTURE_NAME}, {STD_EMISSIVE_TEXTURE_NAME}Sampler, {STD_EMISSIVE_TEXTURE_UV}, uniform.textureBias)).{STD_EMISSIVE_TEXTURE_CHANNEL};
7706	#endif
7707	#ifdef STD_EMISSIVE_VERTEX
7708	dEmission = dEmission * saturate3(vVertexColor.{STD_EMISSIVE_VERTEX_CHANNEL});
7709	#endif
7710}
7711`,mF=`
7712fn encodeLinear(source: vec3f) -> vec4f {
7713	return vec4f(source, 1.0);
7714}
7715fn encodeGamma(source: vec3f) -> vec4f {
7716	return vec4f(pow(source + vec3f(0.0000001), vec3f(1.0 / 2.2)), 1.0);
7717}
7718fn encodeRGBM(source: vec3f) -> vec4f {
7719	var color: vec3f = pow(source, vec3f(0.5));
7720	color *= 1.0 / 8.0;
7721	var a: f32 = saturate(max(max(color.r, color.g), max(color.b, 1.0 / 255.0)));
7722	a = ceil(a * 255.0) / 255.0;
7723	color /= a;
7724	return vec4f(color, a);
7725}
7726fn encodeRGBP(source: vec3f) -> vec4f {
7727	var gamma: vec3f = pow(source, vec3f(0.5));
7728	var maxVal: f32 = min(8.0, max(1.0, max(gamma.x, max(gamma.y, gamma.z))));
7729	var v: f32 = 1.0 - ((maxVal - 1.0) / 7.0);
7730	v = ceil(v * 255.0) / 255.0;
7731	return vec4f(gamma / (-v * 7.0 + 8.0), v);
7732}
7733fn encodeRGBE(source: vec3f) -> vec4f {
7734	var maxVal: f32 = max(source.x, max(source.y, source.z));
7735	if (maxVal < 1e-32) {
7736		return vec4f(0.0, 0.0, 0.0, 0.0);
7737	} else {
7738		var e: f32 = ceil(log2(maxVal));
7739		return vec4f(source / pow(2.0, e), (e + 128.0) / 255.0);
7740	}
7741}
7742`,_F=`
7743	var finalRgb: vec3f = combineColor(litArgs_albedo, litArgs_sheen_specularity, litArgs_clearcoat_specularity);
7744	finalRgb = finalRgb + litArgs_emission;
7745	finalRgb = addFog(finalRgb);
7746	finalRgb = toneMap(finalRgb);
7747	finalRgb = gammaCorrectOutput(finalRgb);
7748	output.color = vec4f(finalRgb, output.color.a);
7749`,gF=`
7750#ifndef _ENVATLAS_INCLUDED_
7751#define _ENVATLAS_INCLUDED_
7752const atlasSize : f32 = 512.0;
7753const seamSize : f32 = 1.0 / atlasSize;
7754fn mapUv(uv : vec2f, rect : vec4f) -> vec2f {
7755	return vec2f(mix(rect.x + seamSize, rect.x + rect.z - seamSize, uv.x),
7756				 mix(rect.y + seamSize, rect.y + rect.w - seamSize, uv.y));
7757}
7758fn mapRoughnessUv(uv : vec2f, level : f32) -> vec2f {
7759	let t : f32 = 1.0 / exp2(level);
7760	return mapUv(uv, vec4f(0.0, 1.0 - t, t, t * 0.5));
7761}
7762fn mapShinyUv(uv : vec2f, level : f32) -> vec2f {
7763	let t : f32 = 1.0 / exp2(level);
7764	return mapUv(uv, vec4f(1.0 - t, 1.0 - t, t, t * 0.5));
7765}
7766#endif
7767`,vF=`
7768#ifdef LIT_SKYBOX_INTENSITY
7769	uniform skyboxIntensity : f32;
7770#endif
7771fn processEnvironment(color : vec3f) -> vec3f {
7772	#ifdef LIT_SKYBOX_INTENSITY
7773		return color * uniform.skyboxIntensity;
7774	#else
7775		return color;
7776	#endif
7777}
7778`,SF=`
7779fn getFalloffWindow(lightRadius: f32, lightDir: vec3f) -> f32 {
7780	let sqrDist: f32 = dot(lightDir, lightDir);
7781	let invRadius: f32 = 1.0 / lightRadius;

7782	return square(saturate(1.0 - square(sqrDist * square(invRadius))));
7783}
7784fn getFalloffInvSquared(lightRadius: f32, lightDir: vec3f) -> f32 {
7785	let sqrDist: f32 = dot(lightDir, lightDir);
7786	var falloff: f32 = 1.0 / (sqrDist + 1.0);
7787	let invRadius: f32 = 1.0 / lightRadius;
7788	falloff = falloff * 16.0;
7789	falloff = falloff * square(saturate(1.0 - square(sqrDist * square(invRadius))));
7790	return falloff;
7791}
7792`,yF=`
7793fn getFalloffLinear(lightRadius: f32, lightDir: vec3f) -> f32 {
7794	let d: f32 = length(lightDir);
7795	return max(((lightRadius - d) / lightRadius), 0.0);
7796}
7797`,xF=`
7798#ifndef FLOAT_AS_UINT
7799#define FLOAT_AS_UINT
7800fn float2uint(value: f32) -> vec4f {
7801	let intBits = bitcast<u32>(value);
7802	return vec4f(
7803		f32((intBits >> 24u) & 0xffu),
7804		f32((intBits >> 16u) & 0xffu),
7805		f32((intBits >> 8u) & 0xffu),
7806		f32(intBits & 0xffu)
7807	) / 255.0;
7808}
7809fn uint2float(value: vec4f) -> f32 {
7810	let rgba_u32 = vec4<u32>(value * 255.0);
7811	let intBits: u32 =
7812		(rgba_u32.r << 24u) |
7813		(rgba_u32.g << 16u) |
7814		(rgba_u32.b << 8u)  |
7815		 rgba_u32.a;
7816	return bitcast<f32>(intBits);
7817}
7818fn float2vec4(value: f32) -> vec4f {
7819	#if defined(CAPS_TEXTURE_FLOAT_RENDERABLE)
7820		return vec4f(value, 1.0, 1.0, 1.0);
7821	#else
7822		return float2uint(value);
7823	#endif
7824}
7825#endif
7826`,TF=`
7827#include "fogMathPS"
7828var<private> dBlendModeFogFactor : f32 = 1.0;
7829#if (FOG != NONE)
7830	uniform fog_color : vec3f;
7831	
7832	#if (FOG == LINEAR)
7833		uniform fog_start : f32;
7834		uniform fog_end : f32;
7835	#else
7836		uniform fog_density : f32;
7837	#endif
7838#endif
7839#ifdef VERTEXSHADER
7840	fn getFogFactor(depth: f32) -> f32 {
7841#else
7842	fn getFogFactor() -> f32 {
7843		let depth = pcPosition.z / pcPosition.w;
7844#endif
7845	#if (FOG == LINEAR)
7846		return evaluateFogFactorLinear(depth, uniform.fog_start, uniform.fog_end);
7847	#elif (FOG == EXP)
7848		return evaluateFogFactorExp(depth, uniform.fog_density);
7849	#elif (FOG == EXP2)
7850		return evaluateFogFactorExp2(depth, uniform.fog_density);
7851	#else
7852		return 1.0;
7853	#endif
7854}
7855#ifdef VERTEXSHADER
7856	fn addFog(color: vec3f, depth: f32) -> vec3f {
7857		#if (FOG != NONE)
7858			return mix(uniform.fog_color * dBlendModeFogFactor, color, getFogFactor(depth));
7859		#else
7860			return color;
7861		#endif
7862	}
7863#else
7864	fn addFog(color: vec3f) -> vec3f {
7865		#if (FOG != NONE)
7866			return mix(uniform.fog_color * dBlendModeFogFactor, color, getFogFactor());
7867		#else
7868			return color;
7869		#endif
7870	}
7871#endif
7872`,wF=`
7873fn evaluateFogFactorLinear(depth: f32, fogStart: f32, fogEnd: f32) -> f32 {
7874	return clamp((fogEnd - depth) / (fogEnd - fogStart), 0.0, 1.0);
7875}
7876fn evaluateFogFactorExp(depth: f32, fogDensity: f32) -> f32 {
7877	return clamp(exp(-depth * fogDensity), 0.0, 1.0);
7878}
7879fn evaluateFogFactorExp2(depth: f32, fogDensity: f32) -> f32 {
7880	return clamp(exp(-depth * depth * fogDensity * fogDensity), 0.0, 1.0);
7881}
7882`,CF=`
7883fn pow5(x: f32) -> f32 {
7884	let x2: f32 = x * x;
7885	return x2 * x2 * x;
7886}
7887fn getFresnel(
7888		cosTheta: f32,
7889		gloss: f32,
7890		specularity: vec3f
7891	#if defined(LIT_IRIDESCENCE)
7892		, iridescenceFresnel: vec3f,
7893		iridescenceIntensity: f32
7894	#endif
7895) -> vec3f {
7896	let fresnel: f32 = pow5(1.0 - saturate(cosTheta));
7897	let glossSq: f32 = gloss * gloss;
7898	let specIntensity: f32 = max(specularity.r, max(specularity.g, specularity.b));
7899	let ret: vec3f = specularity + (max(vec3f(glossSq * specIntensity), specularity) - specularity) * fresnel;
7900	#if defined(LIT_IRIDESCENCE)
7901		return mix(ret, iridescenceFresnel, iridescenceIntensity);
7902	#else
7903		return ret;
7904	#endif
7905}
7906fn getFresnelCC(cosTheta: f32) -> f32 {
7907	let fresnel: f32 = pow5(1.0 - saturate(cosTheta));
7908	return 0.04 + (1.0 - 0.04) * fresnel;
7909}`,EF=`
7910attribute vertex_position: vec2f;
7911varying vUv0: vec2f;
7912@vertex
7913fn vertexMain(input: VertexInput) -> VertexOutput {
7914	var output: VertexOutput;
7915	output.position = vec4f(input.vertex_position, 0.5, 1.0);
7916	output.vUv0 = input.vertex_position.xy * 0.5 + vec2f(0.5);
7917	return output;
7918}
7919`,bF=`
7920#include "decodePS"
7921#if (GAMMA == SRGB)
7922	fn gammaCorrectInput(color: f32) -> f32 {
7923		return decodeGammaFloat(color);
7924	}
7925	fn gammaCorrectInputVec3(color: vec3f) -> vec3f {
7926		return decodeGamma3(color);
7927	}
7928	fn gammaCorrectInputVec4(color: vec4f) -> vec4f {
7929		return vec4f(decodeGamma3(color.xyz), color.w);
7930	}
7931	fn gammaCorrectOutput(color: vec3f) -> vec3f {
7932		return pow(color + 0.0000001, vec3f(1.0 / 2.2));
7933	}
7934#else
7935	fn gammaCorrectInput(color: f32) -> f32 {
7936		return color;
7937	}
7938	fn gammaCorrectInputVec3(color: vec3f) -> vec3f {
7939		return color;
7940	}
7941	fn gammaCorrectInputVec4(color: vec4f) -> vec4f {
7942		return color;
7943	}
7944	fn gammaCorrectOutput(color: vec3f) -> vec3f {
7945		return color;
7946	}
7947#endif
7948`,AF=`
7949#ifdef STD_GLOSS_CONSTANT
7950	uniform material_gloss: f32;
7951#endif
7952fn getGlossiness() {
7953	dGlossiness = 1.0;
7954	#ifdef STD_GLOSS_CONSTANT
7955	dGlossiness = dGlossiness * uniform.material_gloss;
7956	#endif
7957	#ifdef STD_GLOSS_TEXTURE
7958	dGlossiness = dGlossiness * textureSampleBias({STD_GLOSS_TEXTURE_NAME}, {STD_GLOSS_TEXTURE_NAME}Sampler, {STD_GLOSS_TEXTURE_UV}, uniform.textureBias).{STD_GLOSS_TEXTURE_CHANNEL};
7959	#endif
7960	#ifdef STD_GLOSS_VERTEX
7961	dGlossiness = dGlossiness * saturate(vVertexColor.{STD_GLOSS_VERTEX_CHANNEL});
7962	#endif
7963	#ifdef STD_GLOSS_INVERT
7964	dGlossiness = 1.0 - dGlossiness;
7965	#endif
7966	dGlossiness = dGlossiness + 0.0000001;
7967}
7968`,PF=`
7969	attribute aPosition: vec2f;
7970	varying uv0: vec2f;
7971	@vertex fn vertexMain(input: VertexInput) -> VertexOutput {
7972		var output: VertexOutput;
7973		output.position = vec4f(input.aPosition, 0.0, 1.0);

7974		output.uv0 = getImageEffectUV((input.aPosition + 1.0) * 0.5);
7975		return output;
7976	}
7977`,Of=`
7978struct DrawIndexedIndirectArgs {
7979	indexCount: u32,
7980	instanceCount: u32,
7981	firstIndex: u32,
7982	baseVertex: i32,
7983	firstInstance: u32
7984};
7985struct DrawIndirectArgs {
7986	vertexCount: u32,
7987	instanceCount: u32,
7988	firstVertex: u32,
7989	firstInstance: u32,
7990	_pad: u32
7991};
7992`,IF=`
7993	#include "gammaPS"
7994	varying color: vec4f;
7995	@fragment
7996	fn fragmentMain(input : FragmentInput) -> FragmentOutput {
7997		var output: FragmentOutput;
7998		output.color = vec4f(gammaCorrectOutput(decodeGamma3(input.color.rgb)), input.color.a);
7999		return output;
8000	}
8001`,DF=`
8002	attribute vertex_position: vec4f;
8003	attribute vertex_color: vec4f;
8004	uniform matrix_model: mat4x4f;
8005	uniform matrix_viewProjection: mat4x4f;
8006	varying color: vec4f;
8007	@vertex
8008	fn vertexMain(input : VertexInput) -> VertexOutput {
8009		var output : VertexOutput;
8010		output.color = input.vertex_color;
8011		output.position = uniform.matrix_viewProjection * uniform.matrix_model * input.vertex_position;
8012		return output;
8013	}
8014`,MF=`
8015uniform material_iridescenceRefractionIndex: f32;
8016fn iridescence_iorToFresnelScalar(transmittedIor: f32, incidentIor: f32) -> f32 {
8017	return pow((transmittedIor - incidentIor) / (transmittedIor + incidentIor), 2.0);
8018}
8019fn iridescence_iorToFresnelVec3(transmittedIor: vec3f, incidentIor: f32) -> vec3f {
8020	return pow((transmittedIor - vec3f(incidentIor)) / (transmittedIor + vec3f(incidentIor)), vec3f(2.0));
8021}
8022fn iridescence_fresnelToIor(f0: vec3f) -> vec3f {
8023	let sqrtF0: vec3f = sqrt(f0);
8024	return (vec3f(1.0) + sqrtF0) / (vec3f(1.0) - sqrtF0);
8025}
8026const XYZ_TO_REC709: mat3x3f = mat3x3f(
8027	vec3f(3.2404542, -1.5371385, -0.4985314),
8028	vec3f(-0.9692660,  1.8760108,  0.0415560),
8029	vec3f(0.0556434, -0.2040259,  1.0572252)
8030);
8031fn iridescence_sensitivity(opd: f32, shift: vec3f) -> vec3f {
8032	let PI: f32 = 3.141592653589793;
8033	let phase: f32 = 2.0 * PI * opd * 1.0e-9;
8034	const val: vec3f = vec3f(5.4856e-13, 4.4201e-13, 5.2481e-13);
8035	const pos: vec3f = vec3f(1.6810e+06, 1.7953e+06, 2.2084e+06);
8036	const var_: vec3f = vec3f(4.3278e+09, 9.3046e+09, 6.6121e+09);
8037	var xyz: vec3f = val * sqrt(2.0 * PI * var_) * cos(pos * phase + shift) * exp(-pow(phase, 2.0) * var_);
8038	xyz.x = xyz.x + 9.7470e-14 * sqrt(2.0 * PI * 4.5282e+09) * cos(2.2399e+06 * phase + shift[0]) * exp(-4.5282e+09 * pow(phase, 2.0));
8039	xyz = xyz / vec3f(1.0685e-07);
8040	return XYZ_TO_REC709 * xyz;
8041}
8042fn iridescence_fresnelScalar(cosTheta: f32, f0: f32) -> f32 {
8043	let x: f32 = clamp(1.0 - cosTheta, 0.0, 1.0);
8044	let x2: f32 = x * x;
8045	let x5: f32 = x * x2 * x2;
8046	return f0 + (1.0 - f0) * x5;
8047}
8048fn iridescence_fresnelVec3(cosTheta: f32, f0: vec3f) -> vec3f {
8049	let x: f32 = clamp(1.0 - cosTheta, 0.0, 1.0);
8050	let x2: f32 = x * x;
8051	let x5: f32 = x * x2 * x2;
8052	return f0 + (vec3f(1.0) - f0) * x5;
8053}
8054fn calcIridescence(outsideIor: f32, cosTheta: f32, base_f0: vec3f, iridescenceThickness: f32) -> vec3f {
8055	let PI: f32 = 3.141592653589793;
8056	let iridescenceIor: f32 = mix(outsideIor, uniform.material_iridescenceRefractionIndex, smoothstep(0.0, 0.03, iridescenceThickness));
8057	let sinTheta2Sq: f32 = pow(outsideIor / iridescenceIor, 2.0) * (1.0 - pow(cosTheta, 2.0));
8058	let cosTheta2Sq: f32 = 1.0 - sinTheta2Sq;
8059	if (cosTheta2Sq < 0.0) {
8060		return vec3f(1.0);
8061	}
8062	let cosTheta2: f32 = sqrt(cosTheta2Sq);
8063	let r0: f32 = iridescence_iorToFresnelScalar(iridescenceIor, outsideIor);
8064	let r12: f32 = iridescence_fresnelScalar(cosTheta, r0);
8065	let r21: f32 = r12;
8066	let t121: f32 = 1.0 - r12;
8067	let phi12: f32 = select(0.0, PI, iridescenceIor < outsideIor);
8068	let phi21: f32 = PI - phi12;
8069	let baseIor: vec3f = iridescence_fresnelToIor(base_f0 + vec3f(0.0001));
8070	let r1: vec3f = iridescence_iorToFresnelVec3(baseIor, iridescenceIor);
8071	let r23: vec3f = iridescence_fresnelVec3(cosTheta2, r1);
8072	let phi23: vec3f = select(vec3f(0.0), vec3f(PI), baseIor < vec3f(iridescenceIor));
8073	let opd: f32 = 2.0 * iridescenceIor * iridescenceThickness * cosTheta2;
8074	let phi: vec3f = vec3f(phi21) + phi23;
8075	let r123Sq: vec3f = clamp(vec3f(r12) * r23, vec3f(1e-5), vec3f(0.9999));
8076	let r123: vec3f = sqrt(r123Sq);
8077	let rs: vec3f = pow(vec3f(t121), vec3f(2.0)) * r23 / (vec3f(1.0) - r123Sq);
8078	let c0: vec3f = vec3f(r12) + rs;
8079	var i_irid: vec3f = c0;
8080	var cm: vec3f = rs - vec3f(t121);
8081	cm = cm * r123;
8082	let sm1: vec3f = 2.0 * iridescence_sensitivity(1.0 * opd, 1.0 * phi);
8083	i_irid = i_irid + cm * sm1;
8084	cm = cm * r123;
8085	let sm2: vec3f = 2.0 * iridescence_sensitivity(2.0 * opd, 2.0 * phi);
8086	i_irid = i_irid + cm * sm2;
8087	return max(i_irid, vec3f(0.0));
8088}
8089fn getIridescenceDiffraction(cosTheta: f32, specularity: vec3f, iridescenceThickness: f32) -> vec3f {
8090	return calcIridescence(1.0, cosTheta, specularity, iridescenceThickness);
8091}
8092`,RF=`
8093#ifdef STD_IRIDESCENCE_CONSTANT
8094	uniform material_iridescence: f32;
8095#endif
8096fn getIridescence() {
8097	var iridescence = 1.0;
8098	#ifdef STD_IRIDESCENCE_CONSTANT
8099	iridescence = iridescence * uniform.material_iridescence;
8100	#endif
8101	#ifdef STD_IRIDESCENCE_TEXTURE
8102	iridescence = iridescence * textureSampleBias({STD_IRIDESCENCE_TEXTURE_NAME}, {STD_IRIDESCENCE_TEXTURE_NAME}Sampler, {STD_IRIDESCENCE_TEXTURE_UV}, uniform.textureBias).{STD_IRIDESCENCE_TEXTURE_CHANNEL};
8103	#endif
8104	dIridescence = iridescence; 
8105}
8106`,LF=`
8107uniform material_iridescenceThicknessMax: f32;
8108#ifdef STD_IRIDESCENCETHICKNESS_TEXTURE
8109	uniform material_iridescenceThicknessMin: f32;
8110#endif
8111fn getIridescenceThickness() {
8112	#ifdef STD_IRIDESCENCETHICKNESS_TEXTURE
8113		var blend: f32 = textureSampleBias({STD_IRIDESCENCETHICKNESS_TEXTURE_NAME}, {STD_IRIDESCENCETHICKNESS_TEXTURE_NAME}Sampler, {STD_IRIDESCENCETHICKNESS_TEXTURE_UV}, uniform.textureBias).{STD_IRIDESCENCETHICKNESS_TEXTURE_CHANNEL};
8114		var iridescenceThickness: f32 = mix(uniform.material_iridescenceThicknessMin, uniform.material_iridescenceThicknessMax, blend);
8115	#else
8116		var iridescenceThickness: f32 = uniform.material_iridescenceThicknessMax;
8117	#endif
8118	dIridescenceThickness = iridescenceThickness; 
8119}
8120`,FF=`
8121#ifdef STD_IOR_CONSTANT
8122	uniform material_refractionIndex: f32;
8123#endif
8124fn getIor() {
8125#ifdef STD_IOR_CONSTANT
8126	dIor = uniform.material_refractionIndex;
8127#else
8128	dIor = 1.0 / 1.5;
8129#endif
8130}
8131`,OF=`
8132#if defined(LIGHT{i})
8133	uniform light{i}_color: vec3f;
8134	#if LIGHT{i}TYPE == DIRECTIONAL
8135		uniform light{i}_direction: vec3f;
8136	#else
8137		#define LIT_CODE_LIGHTS_POINT
8138		uniform light{i}_position: vec3f;
8139		uniform light{i}_radius: f32;
8140		#if LIGHT{i}TYPE == SPOT
8141			#define LIT_CODE_LIGHTS_SPOT
8142			uniform light{i}_direction: vec3f;
8143			uniform light{i}_innerConeAngle: f32;
8144			uniform light{i}_outerConeAngle: f32;
8145		#endif
8146	#endif
8147	#if LIGHT{i}SHAPE != PUNCTUAL
8148		#define LIT_CODE_FALLOFF_SQUARED
8149		#if LIGHT{i}TYPE == DIRECTIONAL
8150			uniform light{i}_position: vec3f;
8151		#endif
8152		uniform light{i}_halfWidth: vec3f;
8153		uniform light{i}_halfHeight: vec3f;
8154	#else
8155		#if LIGHT{i}FALLOFF == LINEAR
8156			#define LIT_CODE_FALLOFF_LINEAR
8157		#endif
8158		#if LIGHT{i}FALLOFF == INVERSESQUARED
8159			#define LIT_CODE_FALLOFF_SQUARED
8160		#endif
8161	#endif
8162	#if defined(LIGHT{i}

8162CASTSHADOW)
8163		#if LIGHT{i}TYPE != OMNI
8164			uniform light{i}_shadowMatrix: mat4x4f;
8165		#endif
8166		uniform light{i}_shadowIntensity: f32;
8167		uniform light{i}_shadowParams: vec4f;
8168		#if LIGHT{i}SHADOWTYPE == PCSS_32F
8169			uniform light{i}_shadowSearchArea: f32;
8170			uniform light{i}_cameraParams: vec4f;
8171			#if LIGHT{i}TYPE == DIRECTIONAL
8172				uniform light{i}_softShadowParams: vec4f;
8173			#endif
8174		#endif
8175		#if LIGHT{i}TYPE == DIRECTIONAL
8176			uniform light{i}_shadowMatrixPalette: array<mat4x4f, 4>;
8177			uniform light{i}_shadowCascadeDistances: vec4f;
8178			uniform light{i}_shadowCascadeCount: i32;
8179			uniform light{i}_shadowCascadeBlend: f32;
8180		#endif
8181		#if LIGHT{i}TYPE == OMNI
8182			NOT SUPPORTED
8183		#else
8184			#if defined(LIGHT{i}SHADOW_PCF)
8185				var light{i}_shadowMap: texture_depth_2d;
8186				var light{i}_shadowMapSampler: sampler_comparison;
8187			#else
8188				var light{i}_shadowMap: texture_2d<f32>;
8189				var light{i}_shadowMapSampler: sampler;
8190			#endif
8191		#endif
8192	#endif
8193	#if defined(LIGHT{i}COOKIE)
8194		#define LIT_CODE_COOKIE
8195		#if LIGHT{i}TYPE == OMNI
8196			NOT SUPPORTED
8197		#endif
8198		#if LIGHT{i}TYPE == SPOT
8199			NOT SUPPORTED
8200		#endif
8201	#endif
8202#endif
8203`,BF=`
8204fn getLightDiffuse(worldNormal: vec3f, viewDir: vec3f, lightDirNorm: vec3f) -> f32 {
8205	return max(dot(worldNormal, -lightDirNorm), 0.0);
8206}
8207`,NF=`
8208fn evalOmniLight(lightPosW: vec3f) -> vec3f {
8209	return vPositionW - lightPosW;
8210}
8211`,kF=`
8212#if defined(LIGHT{i})
8213	evaluateLight{i}(
8214		#if defined(LIT_IRIDESCENCE)
8215			iridescenceFresnel
8216		#endif
8217	);
8218#endif
8219`,UF=`
8220#if defined(LIGHT{i})
8221fn evaluateLight{i}(
8222	#if defined(LIT_IRIDESCENCE)
8223		iridescenceFresnel: vec3f
8224	#endif
8225) {
8226	var lightColor: vec3f = uniform.light{i}_color;
8227	#if LIGHT{i}TYPE == DIRECTIONAL && !defined(LIT_SHADOW_CATCHER)
8228		if (all(lightColor == vec3f(0.0, 0.0, 0.0))) {
8229			return;
8230		}
8231	#endif
8232	#if LIGHT{i}TYPE == DIRECTIONAL
8233		dLightDirNormW = uniform.light{i}_direction;
8234		dAtten = 1.0;
8235	#else
8236		var lightDirW: vec3f = evalOmniLight(uniform.light{i}_position);
8237		dLightDirNormW = normalize(lightDirW);
8238		#if defined(LIGHT{i}COOKIE)
8239			#if LIGHT{i}TYPE == SPOT
8240				#ifdef LIGHT{i}COOKIE_FALLOFF
8241					#ifdef LIGHT{i}COOKIE_TRANSFORM
8242						var cookieAttenuation: vec3f = getCookie2DXform(uniform.light{i}_cookie, uniform.light{i}_shadowMatrix, uniform.light{i}_cookieIntensity, uniform.light{i}_cookieMatrix, uniform.light{i}_cookieOffset).{LIGHT{i}COOKIE_CHANNEL};
8243					#else
8244						var cookieAttenuation: vec3f = getCookie2D(uniform.light{i}_cookie, uniform.light{i}_shadowMatrix, uniform.light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
8245					#endif
8246				#else
8247					#ifdef LIGHT{i}COOKIE_TRANSFORM
8248						var cookieAttenuation: vec3f = getCookie2DClipXform(uniform.light{i}_cookie, uniform.light{i}_shadowMatrix, uniform.light{i}_cookieIntensity, uniform.light{i}_cookieMatrix, uniform.light{i}_cookieOffset).{LIGHT{i}COOKIE_CHANNEL};
8249					#else
8250						var cookieAttenuation: vec3f = getCookie2DClip(uniform.light{i}_cookie, uniform.light{i}_shadowMatrix, uniform.light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
8251					#endif
8252				#endif
8253			#endif
8254			#if LIGHT{i}TYPE == OMNI
8255				var cookieAttenuation: vec3f = getCookieCube(uniform.light{i}_cookie, uniform.light{i}_shadowMatrix, uniform.light{i}_cookieIntensity).{LIGHT{i}COOKIE_CHANNEL};
8256			#endif
8257			lightColor = lightColor * cookieAttenuation;
8258		#endif
8259		#if LIGHT{i}SHAPE == PUNCTUAL
8260			#if LIGHT{i}FALLOFF == LINEAR
8261				dAtten = getFalloffLinear(uniform.light{i}_radius, lightDirW);
8262			#else
8263				dAtten = getFalloffInvSquared(uniform.light{i}_radius, lightDirW);
8264			#endif
8265		#else
8266			dAtten = getFalloffWindow(uniform.light{i}_radius, lightDirW);
8267		#endif
8268		#if LIGHT{i}TYPE == SPOT
8269			#if !defined(LIGHT{i}COOKIE) || defined(LIGHT{i}COOKIE_FALLOFF)
8270				dAtten = dAtten * getSpotEffect(uniform.light{i}_direction, uniform.light{i}_innerConeAngle, uniform.light{i}_outerConeAngle, dLightDirNormW);
8271			#endif
8272		#endif
8273	#endif
8274	if (dAtten < 0.00001) {
8275		return;
8276	}
8277	#if LIGHT{i}SHAPE != PUNCTUAL
8278		#if LIGHT{i}SHAPE == RECT
8279			calcRectLightValues(uniform.light{i}_position, uniform.light{i}_halfWidth, uniform.light{i}_halfHeight);
8280		#elif LIGHT{i}SHAPE == DISK
8281			calcDiskLightValues(uniform.light{i}_position, uniform.light{i}_halfWidth, uniform.light{i}_halfHeight);
8282		#elif LIGHT{i}SHAPE == SPHERE
8283			calcSphereLightValues(uniform.light{i}_position, uniform.light{i}_halfWidth, uniform.light{i}_halfHeight);
8284		#endif
8285	#endif
8286	#if LIGHT{i}SHAPE != PUNCTUAL
8287		#if LIGHT{i}TYPE == DIRECTIONAL
8288			var attenDiffuse: f32 = getLightDiffuse(litArgs_worldNormal, dViewDirW, dLightDirNormW);
8289		#else
8290			#if LIGHT{i}SHAPE == RECT
8291				var attenDiffuse: f32 = getRectLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
8292			#elif LIGHT{i}SHAPE == DISK
8293				var attenDiffuse: f32 = getDiskLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
8294			#elif LIGHT{i}SHAPE == SPHERE
8295				var attenDiffuse: f32 = getSphereLightDiffuse(litArgs_worldNormal, dViewDirW, lightDirW, dLightDirNormW) * 16.0;
8296			#endif
8297		#endif
8298	#else
8299		dAtten = dAtten * getLightDiffuse(litArgs_worldNormal, vec3(0.0), dLightDirNormW);
8300	#endif
8301	#ifdef LIGHT{i}

8301CASTSHADOW
8302		#if LIGHT{i}TYPE == DIRECTIONAL
8303			var shadow: f32 = getShadow{i}(vec3(0.0));
8304		#else
8305			var shadow: f32 = getShadow{i}(lightDirW);
8306		#endif
8307		shadow = mix(1.0, shadow, uniform.light{i}_shadowIntensity);
8308		dAtten = dAtten * shadow;
8309		#if defined(LIT_SHADOW_CATCHER) && LIGHT{i}TYPE == DIRECTIONAL
8310			dShadowCatcher = dShadowCatcher * shadow;
8311		#endif			
8312	#endif
8313	#if LIGHT{i}SHAPE != PUNCTUAL
8314		#ifdef LIT_SPECULAR
8315			dDiffuseLight = dDiffuseLight + (((attenDiffuse * dAtten) * lightColor) * (1.0 - dLTCSpecFres));
8316		#else
8317			dDiffuseLight = dDiffuseLight + ((attenDiffuse * dAtten) * lightColor);
8318		#endif						
8319	#else
8320		#if defined(AREA_LIGHTS) && defined(LIT_SPECULAR)
8321			dDiffuseLight = dDiffuseLight + ((dAtten * lightColor) * (1.0 - litArgs_specularity));
8322		#else
8323			dDiffuseLight = dDiffuseLight + (dAtten * lightColor);
8324		#endif
8325	#endif
8326	#ifdef LIGHT{i}AFFECT_SPECULARITY
8327		#if LIGHT{i}SHAPE != PUNCTUAL
8328			#ifdef LIT_CLEARCOAT
8329				#if LIGHT{i}SHAPE == RECT
8330					ccSpecularLight = ccSpecularLight + (ccLTCSpecFres * getRectLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor);
8331				#elif LIGHT{i}SHAPE == DISK
8332					ccSpecularLight = ccSpecularLight + (ccLTCSpecFres * getDiskLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor);
8333				#elif LIGHT{i}SHAPE == SPHERE
8334					ccSpecularLight = ccSpecularLight + (ccLTCSpecFres * getSphereLightSpecular(litArgs_clearcoat_worldNormal, dViewDirW) * dAtten * lightColor);
8335				#endif
8336			#endif
8337			#ifdef LIT_SPECULAR
8338				#if LIGHT{i}SHAPE == RECT
8339					dSpecularLight = dSpecularLight + (dLTCSpecFres * getRectLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor);
8340				#elif LIGHT{i}SHAPE == DISK
8341					dSpecularLight = dSpecularLight + (dLTCSpecFres * getDiskLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor);
8342				#elif LIGHT{i}SHAPE == SPHERE
8343					dSpecularLight = dSpecularLight + (dLTCSpecFres * getSphereLightSpecular(litArgs_worldNormal, dViewDirW) * dAtten * lightColor);
8344				#endif
8345			#endif
8346		#else
8347			#if LIGHT{i}TYPE == DIRECTIONAL && LIT_FRESNEL_MODEL != NONE
8348				#define LIGHT{i}FRESNEL
8349			#endif
8350			#ifdef LIT_SPECULAR
8351				var halfDirW: vec3f = normalize(-dLightDirNormW + dViewDirW);
8352			#endif
8353			#ifdef LIT_CLEARCOAT
8354				var lightspecularCC: vec3f = getLightSpecular(halfDirW, ccReflDirW, litArgs_clearcoat_worldNormal, dViewDirW, dLightDirNormW, litArgs_clearcoat_gloss, dTBN) * dAtten * lightColor;
8355				#ifdef LIGHT{i}FRESNEL
8356					lightspecularCC = lightspecularCC * getFresnelCC(dot(dViewDirW, halfDirW));
8357				#endif
8358				ccSpecularLight = ccSpecularLight + lightspecularCC;
8359			#endif
8360			#ifdef LIT_SHEEN
8361				sSpecularLight = sSpecularLight + (getLightSpecularSheen(halfDirW, litArgs_worldNormal, dViewDirW, dLightDirNormW, litArgs_sheen_gloss) * dAtten * lightColor);
8362			#endif
8363			#ifdef LIT_SPECULAR
8364				var lightSpecular: vec3f = getLightSpecular(halfDirW, dReflDirW, litArgs_worldNormal, dViewDirW, dLightDirNormW, litArgs_gloss, dTBN) * dAtten * lightColor;
8365				#ifdef LIGHT{i}FRESNEL
8366					#if defined(LIT_IRIDESCENCE)

8367						lightSpecular = lightSpecular * getFresnel(dot(dViewDirW, halfDirW), litArgs_gloss, litArgs_specularity, iridescenceFresnel, litArgs_iridescence_intensity);
8368					#else
8369						lightSpecular = lightSpecular * getFresnel(dot(dViewDirW, halfDirW), litArgs_gloss, litArgs_specularity);
8370					#endif
8371				#else
8372					lightSpecular = lightSpecular * litArgs_specularity;
8373				#endif
8374				
8375				dSpecularLight = dSpecularLight + lightSpecular;
8376			#endif
8377		#endif
8378	#endif
8379}
8380#endif
8381`,zF=`
8382#ifdef LIGHT{i}CASTSHADOW
8383	#ifdef LIGHT{i}_SHADOW_SAMPLE_POINT
8384		fn getShadowSampleCoordOmni{i}(shadowParams: vec4f, worldPosition: vec3f, lightPos: vec3f, lightDir: ptr<function, vec3f>, lightDirNorm: vec3f, normal: vec3f) -> vec3f {
8385			#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
8386				let distScale: f32 = length(*lightDir);
8387				var surfacePosition = worldPosition + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
8388				*lightDir = surfacePosition - lightPos;
8389			#endif
8390			return *lightDir;
8391		}
8392	#endif
8393	#ifndef LIGHT{i}_SHADOW_SAMPLE_POINT
8394		fn getShadowSampleCoord{i}(shadowTransform: mat4x4f, shadowParams: vec4f, worldPosition: vec3f, lightPos: vec3f, lightDir: ptr<function, vec3f>, lightDirNorm: vec3f, normal: vec3f) -> vec3f {
8395			var surfacePosition = worldPosition;
8396			#ifdef LIGHT{i}_SHADOW_SAMPLE_SOURCE_ZBUFFER
8397				#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
8398					surfacePosition = surfacePosition + normal * shadowParams.y;
8399				#endif
8400			#else
8401				#ifdef LIGHT{i}_SHADOW_SAMPLE_NORMAL_OFFSET
8402					#ifdef LIGHT{i}_SHADOW_SAMPLE_ORTHO
8403						var distScale: f32 = 1.0;
8404					#else
8405						var distScale: f32 = abs(dot(vPositionW - lightPos, lightDirNorm));
8406					#endif
8407					surfacePosition = surfacePosition + normal * shadowParams.y * clamp(1.0 - dot(normal, -lightDirNorm), 0.0, 1.0) * distScale;
8408				#endif
8409			#endif
8410			var positionInShadowSpace: vec4f = shadowTransform * vec4f(surfacePosition, 1.0

8410);
8411			#ifdef LIGHT{i}_SHADOW_SAMPLE_ORTHO
8412				positionInShadowSpace.z = saturate(positionInShadowSpace.z) - 0.0001;
8413			#else
8414				#ifdef LIGHT{i}_SHADOW_SAMPLE_SOURCE_ZBUFFER
8415					positionInShadowSpace.xyz = positionInShadowSpace.xyz / positionInShadowSpace.w;
8416				#else
8417					positionInShadowSpace.xy = positionInShadowSpace.xy / positionInShadowSpace.w;
8418					positionInShadowSpace.z = length(*lightDir) * shadowParams.w;
8419				#endif
8420			#endif
8421			return positionInShadowSpace.xyz;
8422		}
8423	#endif
8424	fn getShadow{i}(lightDirW_in: vec3f) -> f32 {
8425		var lightDirArg = lightDirW_in;
8426		#if LIGHT{i}TYPE == OMNI
8427			var shadowCoord: vec3f = getShadowSampleCoordOmni{i}(uniform.light{i}_shadowParams, vPositionW, uniform.light{i}_position, &lightDirArg, dLightDirNormW, dVertexNormalW);
8428		#else
8429			#ifdef LIGHT{i}_SHADOW_CASCADES
8430				var cascadeIndex: i32 = getShadowCascadeIndex(uniform.light{i}_shadowCascadeDistances, uniform.light{i}_shadowCascadeCount);
8431				#ifdef LIGHT{i}_SHADOW_CASCADE_BLEND
8432					cascadeIndex = ditherShadowCascadeIndex(cascadeIndex, uniform.light{i}_shadowCascadeDistances, uniform.light{i}_shadowCascadeCount, uniform.light{i}_shadowCascadeBlend);
8433				#endif
8434				var shadowMatrix: mat4x4f = uniform.light{i}_shadowMatrixPalette[cascadeIndex];
8435			#else
8436				var shadowMatrix: mat4x4f = uniform.light{i}_shadowMatrix;
8437			#endif
8438			#if LIGHT{i}TYPE == DIRECTIONAL
8439				var shadowCoord: vec3f = getShadowSampleCoord{i}(shadowMatrix, uniform.light{i}_shadowParams, vPositionW, vec3f(0.0), &lightDirArg, dLightDirNormW, dVertexNormalW);
8440			#else
8441				var shadowCoord: vec3f = getShadowSampleCoord{i}(shadowMatrix, uniform.light{i}_shadowParams, vPositionW, uniform.light{i}_position, &lightDirArg, dLightDirNormW, dVertexNormalW);
8442			#endif
8443		#endif
8444		#if LIGHT{i}TYPE == DIRECTIONAL
8445			shadowCoord = fadeShadow(shadowCoord, uniform.light{i}_shadowCascadeDistances);
8446		#endif
8447		#if LIGHT{i}TYPE == DIRECTIONAL
8448			#if LIGHT{i}SHADOWTYPE == VSM_16F
8449				return getShadowVSM16(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, 5.54);
8450			#endif
8451			#if LIGHT{i}SHADOWTYPE == VSM_32F
8452				return getShadowVSM32(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, 15.0);
8453			#endif
8454			#if LIGHT{i}SHADOWTYPE == PCSS_32F
8455				#if LIGHT{i}SHAPE != PUNCTUAL
8456					let shadowSearchArea = vec2f(length(uniform.light{i}_halfWidth), length(uniform.light{i}_halfHeight)) * uniform.light{i}_shadowSearchArea;
8457					return getShadowPCSS(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, uniform.light{i}_cameraParams, shadowSearchArea, lightDirW_in);
8458				#else
8459					return getShadowPCSS(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, uniform.light{i}_cameraParams, uniform.light{i}_softShadowParams, lightDirW_in);
8460				#endif
8461			#endif
8462			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
8463				return getShadowPCF1x1(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8464			#endif
8465			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
8466				return getShadowPCF3x3(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8467			#endif
8468			#if LIGHT{i}SHADOWTYPE == PCF5_16F || LIGHT{i}SHADOWTYPE == PCF5_32F
8469				return getShadowPCF5x5(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8470			#endif
8471		#endif
8472		#if LIGHT{i}TYPE == SPOT
8473			#if LIGHT{i}SHADOWTYPE == VSM_16F
8474				return getShadowSpotVSM16(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, 5.54, lightDirW_in);
8475			#endif
8476			#if LIGHT{i}SHADOWTYPE == VSM_32F
8477				return getShadowSpotVSM32(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, 15.0, lightDirW_in);
8478			#endif
8479			#if LIGHT{i}SHADOWTYPE == PCSS_32F
8480				#if LIGHT{i}SHAPE != PUNCTUAL
8481					var shadowSearchArea: vec2f = vec2f(length(uniform.light{i}_halfWidth), length(uniform.light{i}_halfHeight)) * uniform.light{i}_shadowSearchArea;
8482				#else
8483					var shadowSearchArea: vec2f = vec2f(uniform.light{i}_shadowSearchArea);
8484				#endif
8485				return getShadowSpotPCSS(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, uniform.light{i}_cameraParams, shadowSearchArea, lightDirW_in);
8486			#endif
8487			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
8488				return getShadowSpotPCF1x1(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8489			#endif
8490			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
8491				return getShadowSpotPCF3x3(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8492			#endif
8493			#if LIGHT{i}SHADOWTYPE == PCF5_16F || LIGHT{i}SHADOWTYPE == PCF5_32F
8494				return getShadowSpotPCF5x5(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams);
8495			#endif
8496		#endif
8497		#if LIGHT{i}TYPE == OMNI
8498			#if LIGHT{i}SHADOWTYPE == PCSS_32F
8499				 var shadowSearchArea: vec2f;
8500				 #if LIGHT{i}SHAPE != PUNCTUAL
8501					var shadowSearchArea: vec2f = vec2f(length(uniform.light{i}_halfWidth), length(uniform.light{i}_halfHeight)) * uniform.light{i}_shadowSearchArea;
8502				#else
8503					var shadowSearchArea: vec2f = vec2f(uniform.light{i}_shadowSearchArea);
8504				#endif
8505				return getShadowOmniPCSS(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, uniform.light{i}_cameraParams, shadowSearchArea, lightDirW_in);
8506			#endif
8507			#if LIGHT{i}SHADOWTYPE == PCF1_16F || LIGHT{i}SHADOWTYPE == PCF1_32F
8508				return getShadowOmniPCF1x1(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, lightDirW_in);
8509			#endif
8510			#if LIGHT{i}SHADOWTYPE == PCF3_16F || LIGHT{i}SHADOWTYPE == PCF3_32F
8511				return getShadowOmniPCF3x3(light{i}_shadowMap, light{i}_shadowMapSampler, shadowCoord, uniform.light{i}_shadowParams, lightDirW_in);
8512			#endif
8513		#endif
8514	}
8515#endif
8516`,VF=`
8517#ifdef LIT_CLUSTERED_LIGHTS
8518	#define LIT_CODE_FALLOFF_LINEAR
8519	#define LIT_CODE_FALLOFF_SQUARED
8520	#define LIT_CODE_LIGHTS_POINT
8521	#define LIT_CODE_LIGHTS_SPOT
8522#endif
8523#ifdef AREA_LIGHTS
8524	var areaLightsLutTex1: texture_2d<f32>;
8525	var areaLightsLutTex1Sampler: sampler;
8526	var areaLightsLutTex2: texture_2d<f32>;
8527	var areaLightsLutTex2Sampler: sampler;
8528#endif
8529#ifdef LIT_LIGHTING
8530	#include "lightDiffuseLambertPS"
8531	#if defined(AREA_LIGHTS) || defined(LIT_CLUSTERED_AREA_LIGHTS)
8532		#include "ltcPS"
8533	#endif
8534#endif
8535#ifdef SHADOW_DIRECTIONAL
8536	#include "shadowCascadesPS"
8537#endif
8538#if defined(SHADOW_KIND_PCF1)
8539	#include "shadowPCF1PS"
8540#endif
8541#if defined(SHADOW_KIND_PCF3)
8542	#include "shadowPCF3PS"
8543#endif
8544#if defined(SHADOW_KIND_PCF5)
8545	#include "shadowPCF5PS"
8546#endif
8547#if defined(SHADOW_KIND_PCSS)
8548	#include "linearizeDepthPS"
8549	#include "shadowSoftPS"
8550#endif
8551#if defined(SHADOW_KIND_VSM)
8552	#include "shadowEVSMPS"
8553#endif
8554#ifdef LIT_CODE_FALLOFF_LINEAR
8555	#include "falloffLinearPS"
8556#endif
8557#ifdef LIT_CODE_FALLOFF_SQUARED
8558	#include "falloffInvSquaredPS"
8559#endif
8560#ifdef LIT_CODE_LIGHTS_POINT
8561	#include "lightDirPointPS"
8562#endif
8563#ifdef LIT_CODE_LIGHTS_SPOT
8564	#include "spotPS"
8565#endif
8566#ifdef LIT_CODE_COOKIE
8567	#include "cookiePS"
8568#endif
8569#ifdef LIT_CLUSTERED_LIGHTS
8570	#include "clusteredLightPS"
8571#endif
8572#ifdef LIGHT_COUNT > 0
8573	#include "lightFunctionShadowPS, LIGHT_COUNT"
8574	#include "lightFunctionLightPS, LIGHT_COUNT"
8575#endif
8576`,GF=`
8577fn addLightMap(
8578	lightmap: vec3f,
8579	dir: vec3f,
8580	worldNormal: vec3f,
8581	viewDir: vec3f,
8582	reflectionDir: vec3f,
8583	gloss: f32,
8584	specularity: vec3f,
8585	vertexNormal: vec3f,
8586	tbn: mat3x3f
8587#if defined(LIT_IRIDESCENCE)
8588	, iridescenceFresnel: vec3f,
8589	iridescenceIntensity: f32
8590#endif
8591) {
8592	#if defined(LIT_SPECULAR) && defined(LIT_DIR_LIGHTMAP)
8593		if (dot(dir, dir) < 0.0001) {
8594				dDiffuseLight = dDiffuseLight + lightmap;
8595		} else {
8596			let vlight: f32 = saturate(dot(dir, -vertexNormal));
8597			let flight: f32 = saturate(dot(dir, -worldNormal));
8598			let nlight: f32 = (flight / max(vlight, 0.01)) * 0.5;
8599			dDiffuseLight = dDiffuseLight + lightmap * nlight * 2.0;
8600			let halfDir: vec3f = normalize(-dir + viewDir);
8601			var specularLight: vec3f = lightmap * getLightSpecular(halfDir, reflectionDir, worldNormal, viewDir, dir, gloss, tbn);
8602			#ifdef LIT_SPECULAR_FRESNEL
8603				specularLight = specularLight *
8604					getFresnel(dot(viewDir, halfDir),
8605					gloss,
8606					specularity
8607				#if defined(LIT_IRIDESCENCE)
8608					, iridescenceFresnel,
8609					iridescenceIntensity
8610				#endif
8611					);
8612			#endif
8613			dSpecularLight = dSpecularLight + specularLight;
8614		}
8615	#else
8616		dDiffuseLight = dDiffuseLight + lightmap;
8617	#endif
8618}
8619`,HF=`

8620#ifdef STD_LIGHTMAP_DIR
8621	var<private> dLightmapDir: vec3f;
8622	var texture_dirLightMap: texture_2d<f32>;
8623	var texture_dirLightMapSampler: sampler;
8624#endif
8625fn getLightMap() {
8626	dLightmap = vec3f(1.0);
8627	#ifdef STD_LIGHT_TEXTURE
8628		dLightmap = dLightmap * {STD_LIGHT_TEXTURE_DECODE}(textureSampleBias({STD_LIGHT_TEXTURE_NAME}, {STD_LIGHT_TEXTURE_NAME}Sampler, {STD_LIGHT_TEXTURE_UV}, uniform.textureBias)).{STD_LIGHT_TEXTURE_CHANNEL};
8629		#ifdef STD_LIGHTMAP_DIR
8630			var dir: vec3f = textureSampleBias(texture_dirLightMap, texture_dirLightMapSampler, {STD_LIGHT_TEXTURE_UV}, uniform.textureBias).xyz * 2.0 - 1.0;
8631			var dirDot = dot(dir, dir);
8632			dLightmapDir = select(vec3(0.0), dir / sqrt(dirDot), dirDot > 0.001);
8633		#endif
8634	#endif
8635	#ifdef STD_LIGHT_VERTEX
8636		dLightmap = dLightmap * saturate(vVertexColor.{STD_LIGHT_VERTEX_CHANNEL});
8637	#endif
8638}
8639`,WF=`
8640fn calcLightSpecular(gloss: f32, worldNormal: vec3f, viewDir: vec3f, h: vec3f, lightDirNorm: vec3f, tbn: mat3x3f) -> f32 {
8641	let PI: f32 = 3.141592653589793;
8642	let roughness: f32 = max((1.0 - gloss) * (1.0 - gloss), 0.001);
8643	let alphaRoughness: f32 = roughness * roughness;
8644	let anisotropy: f32 = dAnisotropy;
8645	let direction: vec2f = dAnisotropyRotation;
8646	let at: f32 = mix(alphaRoughness, 1.0, anisotropy * anisotropy);
8647	let ab: f32 = clamp(alphaRoughness, 0.001, 1.0);
8648	let anisotropicT: vec3f = normalize(tbn * vec3f(direction, 0.0));
8649	let anisotropicB: vec3f = normalize(cross(tbn[2], anisotropicT));
8650	let NoH: f32 = dot(worldNormal, h);
8651	let ToH: f32 = dot(anisotropicT, h);
8652	let BoH: f32 = dot(anisotropicB, h);
8653	let a2: f32 = at * ab;
8654	let v: vec3f = vec3f(ab * ToH, at * BoH, a2 * NoH);
8655	let v2: f32 = dot(v, v);
8656	let w2: f32 = a2 / v2;
8657	let D: f32 = a2 * w2 * w2 * (1.0 / PI);
8658	let ToV: f32 = dot(anisotropicT, viewDir);
8659	let BoV: f32 = dot(anisotropicB, viewDir);
8660	let ToL: f32 = dot(anisotropicT, -lightDirNorm);
8661	let BoL: f32 = dot(anisotropicB, -lightDirNorm);
8662	let NoV: f32 = dot(worldNormal, viewDir);
8663	let NoL: f32 = dot(worldNormal, -lightDirNorm);
8664	let lambdaV: f32 = NoL * length(vec3f(at * ToV, ab * BoV, NoV));
8665	let lambdaL: f32 = NoV * length(vec3f(at * ToL, ab * BoL, NoL));
8666	let G: f32 = 0.5 / (lambdaV + lambdaL);
8667	return D * G;
8668}
8669fn getLightSpecular(h: vec3f, reflDir: vec3f, worldNormal: vec3f, viewDir: vec3f, lightDirNorm: vec3f, gloss: f32, tbn: mat3x3f) -> f32 {
8670	return calcLightSpecular(gloss, worldNormal, viewDir, h, lightDirNorm, tbn);
8671}
8672`,XF=`
8673fn calcLightSpecular(gloss: f32, worldNormal: vec3f, viewDir: vec3f, h: vec3f, lightDirNorm: vec3f) -> f32 {
8674	const PI: f32 = 3.141592653589793;
8675	let roughness: f32 = max((1.0 - gloss) * (1.0 - gloss), 0.001);
8676	let alpha: f32 = roughness * roughness;
8677	let NoH: f32 = max(dot(worldNormal, h), 0.0);
8678	let NoV: f32 = max(dot(worldNormal, viewDir), 0.0);
8679	let NoL: f32 = max(dot(worldNormal, -lightDirNorm), 0.0);
8680	let NoH2: f32 = NoH * NoH;
8681	let denom: f32 = NoH2 * (alpha - 1.0) + 1.0;
8682	let D: f32 = alpha / (PI * denom * denom);
8683	let alpha2: f32 = alpha * alpha;
8684	let lambdaV: f32 = NoL * sqrt(NoV * NoV * (1.0 - alpha2) + alpha2);
8685	let lambdaL: f32 = NoV * sqrt(NoL * NoL * (1.0 - alpha2) + alpha2);
8686	let G: f32 = 0.5 / max(lambdaV + lambdaL, 0.00001);
8687	return D * G;
8688}
8689fn getLightSpecular(h: vec3f, reflDir: vec3f, worldNormal: vec3f, viewDir: vec3f, lightDirNorm: vec3f, gloss: f32, tbn: mat3x3f) -> f32 {
8690	return calcLightSpecular(gloss, worldNormal, viewDir, h, lightDirNorm);
8691}
8692`,YF=`
8693fn calcLightSpecular(gloss: f32, worldNormal: vec3f, h: vec3f) -> f32 {
8694	let nh: f32 = max( dot( h, worldNormal ), 0.0 );
8695	var specPow: f32 = exp2(gloss * 11.0);
8696	specPow = max(specPow, 0.0001);
8697	return pow(nh, specPow) * (specPow + 2.0) / 8.0;
8698}
8699fn getLightSpecular(h: vec3f, reflDir: vec3f, worldNormal: vec3f, viewDir: vec3f, lightDirNorm: vec3f, gloss: f32, tbn: mat3x3f) -> f32 {
8700	return calcLightSpecular(gloss, worldNormal, h);
8701}
8702`,jF=`
8703fn sheenD(normal: vec3f, h: vec3f, roughness: f32) -> f32 {
8704	let PI: f32 = 3.141592653589793;
8705	let invR: f32 = 1.0 / (roughness * roughness);
8706	var cos2h: f32 = max(dot(normal, h), 0.0);
8707	cos2h = cos2h * cos2h;
8708	let sin2h: f32 = max(1.0 - cos2h, 0.0078125);
8709	return (2.0 + invR) * pow(sin2h, invR * 0.5) / (2.0 * PI);
8710}
8711fn sheenV(normal: vec3f, viewDir: vec3f, light: vec3f) -> f32 {
8712	let NoV: f32 = max(dot(normal, viewDir), 0.000001);
8713	let NoL: f32 = max(dot(normal, light), 0.000001);
8714	return 1.0 / (4.0 * (NoL + NoV - NoL * NoV));
8715}
8716fn getLightSpecularSheen(h: vec3f, worldNormal: vec3f, viewDir: vec3f, lightDirNorm: vec3f, sheenGloss: f32) -> f32 {
8717	let D: f32 = sheenD(worldNormal, h, sheenGloss);
8718	let V: f32 = sheenV(worldNormal, viewDir, -lightDirNorm);
8719	return D * V;
8720}`,qF=`
8721#ifndef LINEARIZE_DEPTH
8722#define LINEARIZE_DEPTH
8723fn linearizeDepthWithParams(z: f32, cameraParams: vec4f) -> f32 {
8724	if (cameraParams.w == 0.0) {
8725		return (cameraParams.z * cameraParams.y) / (cameraParams.y + z * (cameraParams.z - cameraParams.y));
8726	} else {
8727		return cameraParams.z + z * (cameraParams.y - cameraParams.z);
8728	}
8729}
8730#ifndef CAMERAPLANES
8731	#define CAMERAPLANES
8732	uniform camera_params: vec4f;
8733#endif
8734fn linearizeDepth(z: f32) -> f32 {
8735	return linearizeDepthWithParams(z, uniform.camera_params);
8736}
8737#endif
8738`,$F=`
8739fn evaluateBackend() -> FragmentOutput {
8740	var output: FragmentOutput;
8741	#ifdef LIT_SSAO
8742		litArgs_ao = litArgs_ao * textureSampleLevel(ssaoTexture, ssaoTextureSampler, pcPosition.xy * uniform.ssaoTextureSizeInv, 0.0).r;
8743	#endif
8744	#ifdef LIT_NEEDS_NORMAL
8745		#ifdef LIT_SPECULAR
8746			getReflDir(litArgs_worldNormal, dViewDirW, litArgs_gloss, dTBN);
8747		#endif
8748		#ifdef LIT_CLEARCOAT
8749			ccReflDirW = normalize(-reflect(dViewDirW, litArgs_clearcoat_worldNormal));
8750		#endif
8751	#endif
8752	#ifdef LIT_SPECULAR_OR_REFLECTION
8753		#ifdef LIT_METALNESS
8754			var f0: f32 = 1.0 / litArgs_ior;
8755			f0 = (f0 - 1.0) / (f0 + 1.0);
8756			f0 = f0 * f0;
8757			#ifdef LIT_SPECULARITY_FACTOR
8758				litArgs_specularity = getSpecularModulate(litArgs_specularity, litArgs_albedo, litArgs_metalness, f0, litArgs_specularityFactor);
8759			#else
8760				litArgs_specularity = getSpecularModulate(litArgs_specularity, litArgs_albedo, litArgs_metalness, f0, 1.0);
8761			#endif
8762			litArgs_albedo = getAlbedoModulate(litArgs_albedo, litArgs_metalness);
8763		#endif
8764		#ifdef LIT_IRIDESCENCE
8765			var iridescenceFresnel: vec3f = getIridescenceDiffraction(saturate(dot(dViewDirW, litArgs_worldNormal)), litArgs_specularity, litArgs_iridescence_thickness);
8766		#endif
8767	#endif
8768	#ifdef LIT_ADD_AMBIENT
8769		addAmbient(litArgs_worldNormal);
8770		#ifdef LIT_SPECULAR
8771			dDiffuseLight = dDiffuseLight * (1.0 - litArgs_specularity);
8772		#endif
8773		#ifdef LIT_SEPARATE_AMBIENT
8774			var dAmbientLight: vec3f = dDiffuseLight;
8775			dDiffuseLight = vec3(0.0);
8776		#endif
8777	#endif
8778	#ifndef LIT_OLD_AMBIENT
8779		dDiffuseLight = dDiffuseLight * uniform.material_ambient;
8780	#endif
8781	#ifdef LIT_AO
8782		#ifndef LIT_OCCLUDE_DIRECT
8783			occludeDiffuse(litArgs_ao);
8784		#endif
8785	#endif
8786	#ifdef LIT_LIGHTMAP
8787		addLightMap(
8788			litArgs_lightmap, 
8789			litArgs_lightmapDir, 
8790			litArgs_worldNormal, 
8791			dViewDirW, 
8792			dReflDirW, 
8793			litArgs_gloss, 
8794			litArgs_specularity, 
8795			dVertexNormalW,
8796			dTBN
8797		#if defined(LIT_IRIDESCENCE)
8798			, iridescenceFresnel,
8799			litArgs_iridescence_intensity
8800		#endif
8801		);
8802	#endif
8803	#ifdef LIT_LIGHTING || LIT_REFLECTIONS
8804		#ifdef LIT_REFLECTIONS
8805			#ifdef LIT_CLEARCOAT
8806				addReflectionCC(ccReflDirW, litArgs_clearcoat_gloss);
8807			
8808				#ifdef LIT_SPECULAR_FRESNEL
8809					ccFresnel = getFresnelCC(dot(dViewDirW, litArgs_clearcoat_worldNormal));
8810					ccReflection = ccReflection * ccFresnel;
8811				#else
8812					ccFresnel = 0.0;
8813				#endif
8814			#endif
8815			#ifdef LIT_SPECULARITY_FACTOR
8816				ccReflection = ccReflection * litArgs_specularityFactor;
8817			#endif
8818			#ifdef LIT_SHEEN
8819				addReflectionSheen(litArgs_worldNormal, dViewDirW, litArgs_sheen_gloss);
8820			#endif
8821			addReflection(dReflDirW, litArgs_gloss);
8822			#ifdef LIT_FRESNEL_MODEL
8823				dReflection = vec4f(
8824					dReflection.rgb * getFresnel(
8825						dot(dViewDirW, litArgs_worldNormal),
8826						litArgs_gloss,
8827						litArgs_specularity
8828					#if defined(LIT_IRIDESCENCE)
8829						, iridescenceFresnel,
8830						litArgs_iridescence_intensity
8831					#endif
8832						),
8833					dReflection.a
8834				);
8835			#else
8836				dReflection = vec4f(dReflection.rgb * litArgs_specularity, dReflection.a);
8837			#endif
8838		#endif
8839		#ifdef AREA_LIGHTS
8840			dSpecularLight = dSpecularLight * litArgs_specularity;
8841			#ifdef LIT_SPECULAR
8842				calcLTCLightValues(litArgs_gloss, litArgs_worldNormal, dViewDirW, litArgs_specularity, litArgs_clearcoat_gloss, litArgs_clearcoat_worldNormal, litArgs_clearcoat_specularity);
8843			#endif
8844		#endif
8845		
8846		#ifdef LIGHT_COUNT > 0
8847			#include "lightEvaluationPS, LIGHT_COUNT"
8848		#endif
8849		#ifdef LIT_CLUSTERED_LIGHTS
8850			addClusteredLights(litArgs_worldNormal, dViewDirW, dReflDirW,
8851				#if defined(LIT_CLEARCOAT)
8852						ccReflDirW,
8853				#endif
8854						litArgs_gloss, litArgs_specularity, dVertexNormalW, dTBN, 
8855				#if defined(LIT_IRIDESCENCE)
8856						iridescenceFresnel,
8857				#endif
8858						litArgs_clearcoat_worldNormal, litArgs_clearcoat_gloss, litArgs_sheen_gloss, litArgs_iridescence_intensity
8859			);
8860		#endif
8861		#ifdef AREA_LIGHTS
8862			#ifdef LIT_CLEARCOAT
8863				litArgs_clearcoat_specularity = 1.0;
8864			#endif
8865			#ifdef LIT_SPECULAR
8866				litArgs_specularity = vec3(1.0);
8867			#endif
8868		#endif
8869		#ifdef LIT_REFRACTION
8870			addRefraction(
8871				litArgs_worldNormal, 
8872				dViewDirW, 
8873				litArgs_thickness, 
8874				litArgs_gloss, 
8875				litArgs_specularity, 
8876				litArgs_albedo, 
8877				litArgs_transmission,

8878				litArgs_ior,
8879				litArgs_dispersion
8880				#if defined(LIT_IRIDESCENCE)
8881					, iridescenceFresnel, 
8882					litArgs_iridescence_intensity
8883				#endif
8884			);
8885		#endif
8886	#endif
8887	#ifdef LIT_AO
8888		#ifdef LIT_OCCLUDE_DIRECT
8889			occludeDiffuse(litArgs_ao);
8890		#endif
8891		#if LIT_OCCLUDE_SPECULAR != NONE
8892			occludeSpecular(litArgs_gloss, litArgs_ao, litArgs_worldNormal, dViewDirW);
8893		#endif
8894	#endif
8895	#if !defined(LIT_OPACITY_FADES_SPECULAR)
8896		#if LIT_BLEND_TYPE == NORMAL || LIT_BLEND_TYPE == PREMULTIPLIED
8897			var specLum: f32 = dot((dSpecularLight + dReflection.rgb * dReflection.a), vec3f( 0.2126, 0.7152, 0.0722 ));
8898			#ifdef LIT_CLEARCOAT
8899				specLum = specLum + dot(ccSpecularLight * litArgs_clearcoat_specularity + ccReflection * litArgs_clearcoat_specularity, vec3f( 0.2126, 0.7152, 0.0722 ));
8900			#endif
8901			litArgs_opacity = clamp(litArgs_opacity + gammaCorrectInput(specLum), 0.0, 1.0);
8902		#endif
8903		litArgs_opacity = litArgs_opacity * uniform.material_alphaFade;
8904	#endif
8905	#ifdef LIT_LIGHTMAP_BAKING
8906		#ifdef LIT_LIGHTMAP_BAKING_COLOR
8907			#include "bakeLmEndPS"
8908		#endif
8909		#ifdef LIT_LIGHTMAP_BAKING_DIR
8910			#include "bakeDirLmEndPS"
8911		#endif
8912	#else
8913		#include "endPS"
8914		#include "outputAlphaPS"
8915	#endif
8916	#ifdef LIT_MSDF
8917		output.color = applyMsdf(output.color);
8918	#endif
8919	#include "outputPS"
8920	#include "debugOutputPS"
8921	#ifdef LIT_SHADOW_CATCHER
8922		output.color = vec4f(vec3f(dShadowCatcher), output.color.a);
8923	#endif
8924	return output;
8925}
8926`,KF=`
8927var<private> sReflection: vec3f;
8928var<private> dVertexNormalW: vec3f;
8929var<private> dTangentW: vec3f;
8930var<private> dBinormalW: vec3f;
8931var<private> dViewDirW: vec3f;
8932var<private> dReflDirW: vec3f;
8933var<private> ccReflDirW: vec3f;
8934var<private> dLightDirNormW: vec3f;
8935var<private> dAtten: f32;
8936var<private> dTBN: mat3x3f;
8937var<private> dReflection: vec4f;
8938var<private> dDiffuseLight: vec3f;
8939var<private> dSpecularLight: vec3f;
8940var<private> ccFresnel: f32;
8941var<private> ccReflection: vec3f;
8942var<private> ccSpecularLight: vec3f;
8943var<private> ccSpecularityNoFres: f32;
8944var<private> sSpecularLight: vec3f;
8945#ifdef LIT_DISPERSION
8946	uniform material_dispersion: f32;
8947#endif
8948#ifndef LIT_OPACITY_FADES_SPECULAR
8949	uniform material_alphaFade: f32;
8950#endif
8951#ifdef LIT_SSAO
8952	var ssaoTexture : texture_2d<f32>;
8953	var ssaoTextureSampler : sampler;
8954	uniform ssaoTextureSizeInv: vec2f;
8955#endif
8956#ifdef LIT_SHADOW_CATCHER
8957	var<private> dShadowCatcher: f32 = 1.0;
8958#endif
8959#if LIGHT_COUNT > 0
8960	#include "lightDeclarationPS, LIGHT_COUNT"
8961#endif
8962#ifdef LIT_SPECULAR
8963	#if LIT_FRESNEL_MODEL == NONE && !defined(LIT_REFLECTIONS) && !defined(LIT_DIFFUSE_MAP) 
8964		#define LIT_OLD_AMBIENT
8965	#endif
8966#endif
8967#ifdef STD_LIGHTMAP_DIR
8968	uniform bakeDir: f32;
8969#endif
8970#ifdef LIT_LIGHTMAP_BAKING_ADD_AMBIENT
8971	uniform ambientBakeOcclusionContrast: f32;
8972	uniform ambientBakeOcclusionBrightness: f32;
8973#endif
8974`,ZF=`
8975@fragment
8976fn fragmentMain(input: FragmentInput) -> FragmentOutput {
8977	#include "litUserMainStartPS"
8978	dReflection = vec4f(0.0);
8979	#ifdef LIT_CLEARCOAT
8980		ccSpecularLight = vec3f(0.0);
8981		ccReflection = vec3f(0.0);
8982	#endif
8983	#if LIT_NONE_SLICE_MODE == SLICED
8984		#include "startNineSlicedPS"
8985	#elif LIT_NONE_SLICE_MODE == TILED
8986		#include "startNineSlicedTiledPS"
8987	#endif
8988	#ifdef LIT_NEEDS_NORMAL
8989		dVertexNormalW = normalize(vNormalW);
8990		#ifdef LIT_TANGENTS
8991			#if defined(LIT_HEIGHTS) || defined(LIT_USE_NORMALS) || defined(LIT_USE_CLEARCOAT_NORMALS) || defined(LIT_GGX_SPECULAR)
8992				dTangentW = vTangentW;
8993				dBinormalW = vBinormalW;
8994			#endif
8995		#endif
8996		getViewDir();
8997		#ifdef LIT_TBN
8998			getTBN(dTangentW, dBinormalW, dVertexNormalW);
8999			#ifdef LIT_TWO_SIDED_LIGHTING
9000				handleTwoSidedLighting();
9001			#endif
9002		#endif
9003	#endif
9004	evaluateFrontend();
9005	#include "debugProcessFrontendPS"
9006	var output: FragmentOutput = evaluateBackend();
9007	#include "litUserMainEndPS"
9008	return output;
9009}
9010`,QF=`
9011#ifdef LIT_NEEDS_NORMAL
9012	#include "cubeMapRotatePS"
9013	#include "cubeMapProjectPS"
9014	#include "envProcPS"
9015#endif
9016#ifdef LIT_SPECULAR_OR_REFLECTION
9017	#ifdef LIT_METALNESS
9018		#include "metalnessModulatePS"
9019	#endif
9020	#ifdef LIT_IRIDESCENCE
9021		#include "iridescenceDiffractionPS"
9022	#endif
9023#endif
9024#if defined(LIT_SPECULAR_OR_REFLECTION) || defined(LIT_REFRACTION)
9025	#if LIT_FRESNEL_MODEL == SCHLICK
9026		#include "fresnelSchlickPS"
9027	#endif
9028#endif
9029#ifdef LIT_AO
9030	#include "aoDiffuseOccPS"
9031	#include "aoSpecOccPS"
9032#endif
9033#if LIT_REFLECTION_SOURCE == ENVATLASHQ
9034	#include "envAtlasPS"

9035	#include "reflectionEnvHQPS"
9036#elif LIT_REFLECTION_SOURCE == ENVATLAS
9037	#include "envAtlasPS"
9038	#include "reflectionEnvPS"
9039#elif LIT_REFLECTION_SOURCE == CUBEMAP
9040	#include "reflectionCubePS"
9041#elif LIT_REFLECTION_SOURCE == SPHEREMAP
9042	#include "reflectionSpherePS"
9043#endif
9044#ifdef LIT_REFLECTIONS
9045	#ifdef LIT_CLEARCOAT
9046		#include "reflectionCCPS"
9047	#endif
9048	#ifdef LIT_SHEEN
9049		#include "reflectionSheenPS"
9050	#endif
9051#endif
9052#ifdef LIT_REFRACTION
9053	#if defined(LIT_DYNAMIC_REFRACTION)
9054		#include "refractionDynamicPS"
9055	#elif defined(LIT_REFLECTIONS)
9056		#include "refractionCubePS"
9057	#endif
9058#endif
9059#ifdef LIT_SHEEN
9060	#include "lightSheenPS"
9061#endif
9062uniform material_ambient: vec3f;
9063#ifdef LIT_SPECULAR
9064	#ifdef LIT_LIGHTING
9065		#ifdef LIT_GGX_SPECULAR
9066			#ifdef LIT_ANISOTROPY
9067				#include "lightSpecularAnisoGGXPS"
9068			#else
9069				#include "lightSpecularGGXPS"
9070			#endif
9071		#else
9072			#include "lightSpecularBlinnPS"
9073		#endif
9074	#endif
9075#endif
9076#include "combinePS"
9077#ifdef LIT_LIGHTMAP
9078	#include "lightmapAddPS"
9079#endif
9080#ifdef LIT_ADD_AMBIENT
9081	#include "ambientPS"
9082#endif
9083#ifdef LIT_MSDF
9084	#include "msdfPS"
9085#endif
9086#ifdef LIT_NEEDS_NORMAL
9087	#include "viewDirPS"
9088	#ifdef LIT_SPECULAR
9089		#ifdef LIT_ANISOTROPY
9090			#include "reflDirAnisoPS"
9091		#else
9092			#include "reflDirPS"
9093		#endif
9094	#endif
9095#endif
9096#include "lightingPS"
9097`,JF=`
9098#include "basePS"
9099#include "sphericalPS"
9100#include "decodePS"
9101#include "gammaPS"
9102#include "tonemappingPS"
9103#include "fogPS"
9104#if LIT_NONE_SLICE_MODE == SLICED
9105	#include "baseNineSlicedPS"
9106#elif LIT_NONE_SLICE_MODE == TILED
9107	#include "baseNineSlicedTiledPS"
9108#endif
9109#ifdef LIT_TBN
9110	#include "TBNPS"
9111	#ifdef LIT_TWO_SIDED_LIGHTING
9112		#include "twoSidedLightingPS"
9113	#endif
9114#endif
9115`,eO=`
9116#include "varyingsPS"
9117#include "litUserDeclarationPS"
9118#include "frontendDeclPS"
9119#if defined(PICK_PASS) || defined(PREPASS_PASS)
9120	#include "frontendCodePS"
9121	#include "litUserCodePS"
9122	#include "litOtherMainPS"
9123#elif defined(SHADOW_PASS)
9124	#include "frontendCodePS"
9125	#include "litUserCodePS"
9126	#include "litShadowMainPS"
9127#else
9128	#include "litForwardDeclarationPS"
9129	#include "litForwardPreCodePS"
9130	#include "frontendCodePS"
9131	#include "litForwardPostCodePS"
9132	#include "litForwardBackendPS"
9133	#include "litUserCodePS"
9134	#include "litForwardMainPS"
9135#endif
9136`,tO=`
9137#include "varyingsVS"
9138#include  "litUserDeclarationVS"
9139#ifdef VERTEX_COLOR
9140	attribute vertex_color: vec4f;
9141#endif
9142#ifdef NINESLICED
9143	varying vMask: vec2f;
9144	varying vTiledUv: vec2f;
9145	var<private> dMaskGlobal: vec2f;
9146	var<private> dTiledUvGlobal: vec2f;
9147	uniform innerOffset: vec4f;
9148	uniform outerScale: vec2f;
9149	uniform atlasRect: vec4f;
9150#endif
9151var<private> dPositionW: vec3f;
9152var<private> dModelMatrix: mat4x4f;
9153#include "transformCoreVS"
9154#ifdef UV0
9155	attribute vertex_texCoord0: vec2f;
9156	#include "uv0VS"
9157#endif
9158#ifdef UV1
9159	attribute vertex_texCoord1: vec2f;
9160	#include "uv1VS"
9161#endif
9162#ifdef LINEAR_DEPTH
9163	#ifndef VIEWMATRIX
9164	#define VIEWMATRIX
9165		uniform matrix_view: mat4x4f;
9166	#endif
9167#endif
9168#include "transformVS"
9169#ifdef NORMALS
9170	#include "normalCoreVS"
9171	#include "normalVS"
9172#endif
9173#ifdef TANGENTS
9174	attribute vertex_tangent: vec4f;
9175#endif
9176#include "uvTransformUniformsPS, UV_TRANSFORMS_COUNT"
9177#ifdef MSDF
9178	#include "msdfVS"
9179#endif
9180#include  "litUserCodeVS"
9181#ifdef VERTEX_COLOR
9182	fn decodeGamma3(raw: vec3f) -> vec3f {
9183		return pow(raw, vec3f(2.2));
9184	}
9185	fn gammaCorrectInputVec4(color: vec4f) -> vec4f {
9186		return vec4f(decodeGamma3(color.xyz), color.w);
9187	}
9188#endif
9189@vertex
9190fn vertexMain(input : VertexInput) -> VertexOutput {
9191	#include "litUserMainStartVS"
9192	var output : VertexOutput;
9193	output.position = getPosition();
9194	output.vPositionW = getWorldPosition();
9195	#ifdef NORMALS
9196		output.vNormalW = getNormal();
9197	#endif
9198	#ifdef TANGENTS
9199		output.vTangentW = normalize(dNormalMatrix * vertex_tangent.xyz);
9200		output.vBinormalW = cross(output.vNormalW, output.vTangentW) * vertex_tangent.w;
9201	#elif defined(GGX_SPECULAR)
9202		output.vObjectSpaceUpW = normalize(dNormalMatrix * vec3f(0.0, 1.0, 0.0));
9203	#endif
9204	#ifdef UV0
9205		var uv0: vec2f = getUv0();
9206		#ifdef UV0_UNMODIFIED
9207			output.vUv0 = uv0;
9208		#endif
9209	#endif
9210	#ifdef UV1
9211		var uv1: vec2f = getUv1();
9212		#ifdef UV1_UNMODIFIED
9213			output.vUv1 = uv1;
9214		#endif
9215	#endif
9216	#include "uvTransformVS, UV_TRANSFORMS_COUNT"
9217	#ifdef VERTEX_COLOR
9218		#ifdef STD_VERTEX_COLOR_GAMMA
9219			output.vVertexColor = gammaCorrectInputVec4(vertex_color);
9220		#else
9221			output.vVertexColor = vertex_color;
9222		#endif
9223	#endif
9224	#ifdef LINEAR_DEPTH
9225		output.vLinearDepth = -(uniform.matrix_view * vec4f(output.vPositionW, 1.0)).z;
9226	#endif
9227	#ifdef MSDF
9228		unpackMsdfParams();
9229		output.outline_color = dOutlineColor;
9230		output.outline_thickness = dOutlineThickness;
9231		output.shadow_color = dShadowColor;
9232		output.shadow_offset = dShadowOffset;
9233	#endif
9234	#ifdef NINESLICED
9235		output.vMask = dMaskGlobal;
9236		output.vTiledUv = dTiledUvGlobal;
9237	#endif
9238	#include "litUserMainEndVS"
9239	return output;
9240}
9241`,sO=`
9242#ifdef PICK_PASS
9243	#include "pickPS"
9244#endif
9245#ifdef PREPASS_PASS
9246	#include "floatAsUintPS"
9247#endif
9248@fragment
9249fn fragmentMain(input: FragmentInput) -> FragmentOutput {
9250	#include "litUserMainStartPS"
9251	var output: FragmentOutput;
9252	
9253	evaluateFrontend();
9254	#ifdef PICK_PASS
9255		output.color = getPickOutput();
9256		#ifdef DEPTH_PICK_PASS
9257			output.color1 = getPickDepth();
9258		#endif
9259	#endif
9260	#ifdef PREPASS_PASS
9261		output.color = float2vec4(vLinearDepth);
9262	#endif
9263	#include "litUserMainEndPS"
9264	return output;
9265}
9266`,iO=`
9267var<private> litArgs_albedo: vec3f;
9268var<private> litArgs_opacity: f32;
9269var<private> litArgs_emission: vec3f;
9270var<private> litArgs_worldNormal: vec3f;
9271var<private> litArgs_ao: f32;
9272var<private> litArgs_lightmap: vec3f;
9273var<private> litArgs_lightmapDir: vec3f;
9274var<private> litArgs_metalness: f32;
9275var<private> litArgs_specularity: vec3f;
9276var<private> litArgs_specularityFactor: f32;
9277var<private> litArgs_gloss: f32;
9278var<private> litArgs_sheen_gloss: f32;
9279var<private> litArgs_sheen_specularity: vec3f;
9280var<private> litArgs_transmission: f32;
9281var<private> litArgs_thickness: f32;
9282var<private> litArgs_ior: f32;
9283var<private>

9283 litArgs_dispersion: f32;
9284var<private> litArgs_iridescence_intensity: f32;
9285var<private> litArgs_iridescence_thickness: f32;
9286var<private> litArgs_clearcoat_worldNormal: vec3f;
9287var<private> litArgs_clearcoat_specularity: f32;
9288var<private> litArgs_clearcoat_gloss: f32;
9289`,rO=`
9290	#if LIT_NONE_SLICE_MODE == TILED
9291		var<private> textureBias: f32 = -1000.0;
9292	#else
9293		uniform textureBias: f32;
9294	#endif
9295	#include "litShaderArgsPS"
9296`,aO=`
9297#if LIGHT_TYPE != DIRECTIONAL
9298	uniform view_position: vec3f;
9299	uniform light_radius: f32;
9300#endif
9301#if SHADOW_TYPE == PCSS_32F
9302	#include "linearizeDepthPS"
9303#endif
9304@fragment
9305fn fragmentMain(input: FragmentInput) -> FragmentOutput {
9306	#include "litUserMainStartPS"
9307	var output: FragmentOutput;
9308	evaluateFrontend();
9309	#ifdef PERSPECTIVE_DEPTH
9310		var depth: f32 = input.position.z;
9311		#if SHADOW_TYPE == PCSS_32F
9312			#if LIGHT_TYPE != DIRECTIONAL
9313				depth = linearizeDepthWithParams(depth, camera_params);
9314			#endif
9315		#endif
9316	#else
9317		var depth: f32 = min(distance(uniform.view_position, input.vPositionW) / uniform.light_radius, 0.99999);
9318		#define MODIFIED_DEPTH
9319	#endif
9320	#if SHADOW_TYPE == VSM_16F || SHADOW_TYPE == VSM_32F
9321		#if SHADOW_TYPE == VSM_32F
9322			var exponent: f32 = 15.0;
9323		#else
9324			var exponent: f32 = 5.54;
9325		#endif
9326		var depth_vsm = 2.0 * depth - 1.0;
9327		depth_vsm = exp(exponent * depth_vsm);
9328		output.color = vec4f(depth_vsm, depth_vsm * depth_vsm, 1.0, 1.0);
9329	#else
9330		#if SHADOW_TYPE == PCSS_32F
9331			output.color = vec4f(depth, 0.0, 0.0, 1.0);
9332		#else
9333			#ifdef MODIFIED_DEPTH
9334				output.fragDepth = depth;
9335			#endif
9336			output.color = vec4f(1.0);
9337		#endif
9338	#endif
9339	#include "litUserMainEndPS"
9340	
9341	return output;
9342}
9343`,nO=`
9344fn LTC_Uv(N: vec3f, V: vec3f, roughness: f32) -> vec2f {
9345	const LUT_SIZE: f32 = 64.0;
9346	const LUT_SCALE: f32 = (LUT_SIZE - 1.0) / LUT_SIZE;
9347	const LUT_BIAS: f32 = 0.5 / LUT_SIZE;
9348	let dotNV: f32 = saturate(dot( N, V ));
9349	let uv: vec2f = vec2f( roughness, sqrt( 1.0 - dotNV ) );
9350	return uv * LUT_SCALE + LUT_BIAS;
9351}
9352fn LTC_ClippedSphereFormFactor( f: vec3f ) -> f32 {
9353	let l: f32 = length( f );
9354	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
9355}
9356fn LTC_EdgeVectorFormFactor( v1: vec3f, v2: vec3f ) -> vec3f {
9357	let x: f32 = dot( v1, v2 );
9358	let y: f32 = abs( x );
9359	let a: f32 = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
9360	let b: f32 = 3.4175940 + ( 4.1616724 + y ) * y;
9361	let v: f32 = a / b;

9362	let inv_sqrt_term = inverseSqrt( max( 1.0 - x * x, 1e-7f ) );
9363	let theta_sintheta: f32 = select( (0.5 * inv_sqrt_term - v), v, x > 0.0 );
9364	return cross( v1, v2 ) * theta_sintheta;
9365}
9366struct Coords {
9367	coord0: vec3f,
9368	coord1: vec3f,
9369	coord2: vec3f,
9370	coord3: vec3f,
9371}
9372fn LTC_EvaluateRect( N: vec3f, V: vec3f, P: vec3f, mInv: mat3x3f, rectCoords: Coords) -> f32 {
9373	let v1: vec3f = rectCoords.coord1 - rectCoords.coord0;
9374	let v2: vec3f = rectCoords.coord3 - rectCoords.coord0;
9375	let lightNormal: vec3f = cross( v1, v2 );
9376	let factor: f32 = sign(-dot( lightNormal, P - rectCoords.coord0 ));
9377	let T1: vec3f = normalize( V - N * dot( V, N ) );
9378	let T2: vec3f = factor * cross( N, T1 );
9379	let mat: mat3x3f = mInv * transpose( mat3x3f( T1, T2, N ) );
9380	var coords: array<vec3f, 4>;
9381	coords[0] = mat * ( rectCoords.coord0 - P );
9382	coords[1] = mat * ( rectCoords.coord1 - P );
9383	coords[2] = mat * ( rectCoords.coord2 - P );
9384	coords[3] = mat * ( rectCoords.coord3 - P );
9385	coords[0] = normalize( coords[0] );
9386	coords[1] = normalize( coords[1] );
9387	coords[2] = normalize( coords[2] );
9388	coords[3] = normalize( coords[3] );
9389	var vectorFormFactor: vec3f = vec3f( 0.0 );
9390	vectorFormFactor = vectorFormFactor + LTC_EdgeVectorFormFactor( coords[0], coords[1] );
9391	vectorFormFactor = vectorFormFactor + LTC_EdgeVectorFormFactor( coords[1], coords[2] );
9392	vectorFormFactor = vectorFormFactor + LTC_EdgeVectorFormFactor( coords[2], coords[3] );
9393	vectorFormFactor = vectorFormFactor + LTC_EdgeVectorFormFactor( coords[3], coords[0] );
9394	let result: f32 = LTC_ClippedSphereFormFactor( vectorFormFactor );
9395	return result;
9396}
9397var<private> dLTCCoords: Coords;
9398fn getLTCLightCoords(lightPos: vec3f, halfWidth: vec3f, halfHeight: vec3f) -> Coords {
9399	var coords: Coords;
9400	coords.coord0 = lightPos + halfWidth - halfHeight;
9401	coords.coord1 = lightPos - halfWidth - halfHeight;
9402	coords.coord2 = lightPos - halfWidth + halfHeight;
9403	coords.coord3 = lightPos + halfWidth + halfHeight;
9404	return coords;
9405}
9406var<private> dSphereRadius: f32;
9407fn getSphereLightCoords(lightPos: vec3f, halfWidth: vec3f, halfHeight: vec3f) -> Coords {
9408	dSphereRadius = max(length(halfWidth), length(halfHeight));
9409	let f: vec3f = reflect(normalize(lightPos - uniform.view_position), vNormalW);
9410	let w: vec3f = normalize(cross(f, halfHeight));
9411	let h: vec3f = normalize(cross(f, w));
9412	return getLTCLightCoords(lightPos, w * dSphereRadius, h * dSphereRadius);
9413}
9414var<private> dLTCUV: vec2f;
9415#ifdef LIT_CLEARCOAT
9416	var<private> ccLTCUV: vec2f;
9417#endif
9418fn getLTCLightUV(gloss: f32, worldNormal: vec3f, viewDir: vec3f) -> vec2f {
9419	let roughness: f32 = max((1.0 - gloss) * (1.0 - gloss), 0.001);
9420	return LTC_Uv( worldNormal, viewDir, roughness );
9421}
9422var<private> dLTCSpecFres: vec3f;
9423#ifdef LIT_CLEARCOAT
9424	var<private> ccLTCSpecFres: vec3f;
9425#endif
9426fn getLTCLightSpecFres(uv: vec2f, specularity: vec3f) -> vec3f {
9427	let t2: vec4f = textureSampleLevel(areaLightsLutTex2, areaLightsLutTex2Sampler, uv, 0.0);
9428	return specularity * t2.x + ( vec3f( 1.0 ) - specularity) * t2.y;
9429}
9430fn calcLTCLightValues(gloss: f32, worldNormal: vec3f, viewDir: vec3f, specularity: vec3f, clearcoatGloss: f32, clearcoatWorldNormal: vec3f, clearcoatSpecularity: f32) {
9431	dLTCUV = getLTCLightUV(gloss, worldNormal, viewDir);
9432	dLTCSpecFres = getLTCLightSpecFres(dLTCUV, specularity);
9433	#ifdef LIT_CLEARCOAT
9434		ccLTCUV = getLTCLightUV(clearcoatGloss, clearcoatWorldNormal, viewDir);
9435		ccLTCSpecFres = getLTCLightSpecFres(ccLTCUV, vec3f(clearcoatSpecularity));
9436	#endif
9437}
9438fn calcRectLightValues(lightPos: vec3f, halfWidth: vec3f, halfHeight: vec3f) {
9439	dLTCCoords = getLTCLightCoords(lightPos, halfWidth, halfHeight);
9440}
9441fn calcDiskLightValues(lightPos: vec3f, halfWidth: vec3f, halfHeight: vec3f) {
9442	calcRectLightValues(lightPos, halfWidth, halfHeight);
9443}
9444fn calcSphereLightValues(lightPos: vec3f, halfWidth: vec3f, halfHeight: vec3f) {
9445	dLTCCoords = getSphereLightCoords(lightPos, halfWidth, halfHeight);
9446}
9447fn SolveCubic(Coefficient_in: vec4f) -> vec3f {
9448	let pi: f32 = 3.14159;
9449	var Coefficient = Coefficient_in;
9450	Coefficient = vec4f(Coefficient.xyz / Coefficient.w, Coefficient.w);
9451	let new_yz: vec2f = Coefficient.yz / 3.0;
9452	Coefficient = vec4f(Coefficient.x, new_yz.x, new_yz.y, Coefficient.w);
9453	
9454	let A: f32 = Coefficient.w;
9455	let B: f32 = Coefficient.z;
9456	let C: f32 = Coefficient.y;
9457	let D: f32 = Coefficient.x;
9458	let Delta: vec3f = vec3f(
9459		-Coefficient.z * Coefficient.z + Coefficient.y,
9460		-Coefficient.y * Coefficient.z + Coefficient.x,
9461		dot(vec2f(Coefficient.z, -Coefficient.y), Coefficient.xy)
9462	);
9463	let Discriminant: f32 = dot(vec2f(4.0 * Delta.x, -Delta.y), Delta.zy);
9464	var xlc: vec2f;
9465	var xsc: vec2f;
9466	{
9467		let A_a: f32 = 1.0;
9468		let C_a: f32 = Delta.x;
9469		let D_a: f32 = -2.0 * B * Delta.x + Delta.y;
9470		let Theta: f32 = atan2(sqrt(Discriminant), -D_a) / 3.0;
9471		let sqrt_neg_Ca = sqrt(-C_a);
9472		let x_1a: f32 = 2.0 * sqrt_neg_Ca * cos(Theta);
9473		let x_3a: f32 = 2.0 * sqrt_neg_Ca * cos(Theta + (2.0 / 3.0) * pi);
9474		let xl: f32 = select(x_3a, x_1a, (x_1a + x_3a) > 2.0 * B);
9475		xlc = vec2f(xl - B, A);
9476	}
9477	{
9478		let A_d: f32 = D;
9479		let C_d: f32 = Delta.z;
9480		let D_d: f32 = -D * Delta.y + 2.0 * C * Delta.z;
9481		let Theta: f32 = atan2(D * sqrt(Discriminant), -D_d) / 3.0;
9482		let sqrt_neg_Cd = sqrt(-C_d);
9483		let x_1d: f32 = 2.0 * sqrt_neg_Cd * cos(Theta);
9484		let x_3d: f32 = 2.0 * sqrt_neg_Cd * cos(Theta + (2.0 / 3.0) * pi);
9485		let xs: f32 = select(x_3d, x_1d, x_1d + x_3d < 2.0 * C);
9486		xsc = vec2f(-D, xs + C);
9487	}
9488	let E: f32 =  xlc.y * xsc.y;
9489	let F: f32 = -xlc.x * xsc.y - xlc.y * xsc.x;
9490	let G: f32 =  xlc.x * xsc.x;
9491	let xmc: vec2f = vec2f(C * F - B * G, -B * F + C * E);
9492	var Root: vec3f = vec3f(xsc.x / xsc.y, xmc.x / xmc.y, xlc.x / xlc.y);
9493	if (Root.x < Root.y && Root.x < Root.z) {
9494		Root = Root.yxz;
9495	} else if (Root.z < Root.x && Root.z < Root.y) {
9496		Root = Root.xzy;
9497	}
9498	return Root;
9499}
9500fn LTC_EvaluateDisk(N: vec3f, V: vec3f, P: vec3f, Minv: mat3x3f, points: Coords) -> f32 {
9501	let T1: vec3f = normalize(V - N * dot(V, N));
9502	let T2: vec3f = cross(N, T1);
9503	let R: mat3x3f = transpose( mat3x3f( T1, T2, N ) );
9504	var L_: array<vec3f, 3>;
9505	L_[0] = R * ( points.coord0 - P );
9506	L_[1] = R * ( points.coord1 - P );
9507	L_[2] = R * ( points.coord2 - P );
9508	let C: vec3f  = 0.5 * (L_[0] + L_[2]);
9509	var V1: vec3f = 0.5 * (L_[1] - L_[2]);
9510	var V2: vec3f = 0.5 * (L_[1] - L_[0]);
9511	let C_Minv: vec3f  = Minv * C;
9512	let V1_Minv: vec3f = Minv * V1;
9513	let V2_Minv: vec3f = Minv * V2;
9514	var a: f32;
9515	var b: f32;
9516	let d11: f32 = dot(V1_Minv, V1_Minv);
9517	let d22: f32 = dot(V2_Minv, V2_Minv);
9518	let d12: f32 = dot(V1_Minv, V2_Minv);

9519	if (abs(d12) / sqrt(d11 * d22) > 0.0001) {
9520		let tr: f32 = d11 + d22;
9521		let det_inner: f32 = -d12 * d12 + d11 * d22;
9522		let det: f32 = sqrt(det_inner);
9523		let u: f32 = 0.5 * sqrt(tr - 2.0 * det);
9524		let v: f32 = 0.5 * sqrt(tr + 2.0 * det);
9525		let e_max: f32 = (u + v) * (u + v);
9526		let e_min: f32 = (u - v) * (u - v);
9527		var V1_: vec3f;
9528		var V2_: vec3f;
9529		if (d11 > d22) {
9530			V1_ = d12 * V1_Minv + (e_max - d11) * V2_Minv;
9531			V2_ = d12 * V1_Minv + (e_min - d11) * V2_Minv;
9532		} else {
9533			V1_ = d12*V2_Minv + (e_max - d22)*V1_Minv;
9534			V2_ = d12*V2_Minv + (e_min - d22)*V1_Minv;
9535		}
9536		a = 1.0 / e_max;
9537		b = 1.0 / e_min;
9538		V1 = normalize(V1_);
9539		V2 = normalize(V2_);
9540	} else {
9541		a = 1.0 / dot(V1_Minv, V1_Minv);
9542		b = 1.0 / dot(V2_Minv, V2_Minv);
9543		V1 = V1_Minv * sqrt(a);
9544		V2 = V2_Minv * sqrt(b);
9545	}
9546	var V3: vec3f = normalize(cross(V1, V2));
9547	if (dot(C_Minv, V3) < 0.0) {
9548		V3 = V3 * -1.0;
9549	}
9550	let L: f32  = dot(V3, C_Minv);
9551	let x0: f32 = dot(V1, C_Minv) / L;
9552	let y0: f32 = dot(V2, C_Minv) / L;
9553	let E1: f32 = inverseSqrt(a);
9554	let E2: f32 = inverseSqrt(b);
9555	let a_scaled = a * L * L;
9556	let b_scaled = b * L * L;
9557	let c0: f32 = a_scaled * b_scaled;
9558	let c1: f32 = a_scaled * b_scaled * (1.0 + x0 * x0 + y0 * y0) - a_scaled - b_scaled;
9559	let c2: f32 = 1.0 - a_scaled * (1.0 + x0 * x0) - b_scaled * (1.0 + y0 * y0);
9560	let c3: f32 = 1.0;
9561	let roots: vec3f = SolveCubic(vec4f(c0, c1, c2, c3));
9562	let e1: f32 = roots.x;
9563	let e2: f32 = roots.y;
9564	let e3: f32 = roots.z;
9565	var avgDir: vec3f = vec3f(a_scaled * x0 / (a_scaled - e2), b_scaled * y0 / (b_scaled - e2), 1.0);
9566	let rotate: mat3x3f = mat3x3f(V1, V2, V3);
9567	avgDir = rotate * avgDir;
9568	avgDir = normalize(avgDir);
9569	let L1: f32 = sqrt(-e2 / e3);
9570	let L2: f32 = sqrt(-e2 / e1);
9571	let formFactor: f32 = max(0.0, L1 * L2 * inverseSqrt((1.0 + L1 * L1) * (1.0 + L2 * L2)));
9572	const LUT_SIZE_disk: f32 = 64.0;
9573	const LUT_SCALE_disk: f32 = ( LUT_SIZE_disk - 1.0 ) / LUT_SIZE_disk;
9574	const LUT_BIAS_disk: f32 = 0.5 / LUT_SIZE_disk;
9575	var uv: vec2f = vec2f(avgDir.z * 0.5 + 0.5, formFactor);
9576	uv = uv * LUT_SCALE_disk + LUT_BIAS_disk;
9577	let scale: f32 = textureSampleLevel(areaLightsLutTex2, areaLightsLutTex2Sampler, uv, 0.0).w;
9578	return formFactor * scale;
9579}
9580fn FixNan(value: f32) -> f32 {
9581	return select(value, 0.0, value != value);
9582}
9583fn getRectLightDiffuse(worldNormal: vec3f, viewDir: vec3f, lightDir: vec3f, lightDirNorm: vec3f) -> f32 {
9584	let identityMat = mat3x3f(vec3f(1.0, 0.0, 0.0), vec3f(0.0, 1.0, 0.0), vec3f(0.0, 0.0, 1.0));
9585	return LTC_EvaluateRect( worldNormal, viewDir, vPositionW, identityMat, dLTCCoords );
9586}
9587fn getDiskLightDiffuse(worldNormal: vec3f, viewDir: vec3f, lightDir: vec3f, lightDirNorm: vec3f) -> f32 {
9588	let identityMat = mat3x3f(vec3f(1.0, 0.0, 0.0), vec3f(0.0, 1.0, 0.0), vec3f(0.0, 0.0, 1.0));
9589	return FixNan(LTC_EvaluateDisk( worldNormal, viewDir, vPositionW, identityMat, dLTCCoords ));
9590}
9591fn getSphereLightDiffuse(worldNormal: vec3f, viewDir: vec3f, lightDir: vec3f, lightDirNorm: vec3f) -> f32 {
9592	let falloff: f32 = dSphereRadius / (dot(lightDir, lightDir) + dSphereRadius);
9593	return FixNan(getLightDiffuse(worldNormal, viewDir, lightDirNorm) * falloff);
9594}
9595fn getLTCLightInvMat(uv: vec2f) -> mat3x3f {
9596	let t1: vec4f = textureSampleLevel(areaLightsLutTex1, areaLightsLutTex1Sampler, uv, 0.0);
9597	return mat3x3f(
9598		vec3f( t1.x, 0.0, t1.y ),
9599		vec3f( 0.0, 1.0, 0.0 ),
9600		vec3f( t1.z, 0.0, t1.w )
9601	);
9602}
9603fn calcRectLightSpecular(worldNormal: vec3f, viewDir: vec3f, uv: vec2f) -> f32 {
9604	let mInv: mat3x3f = getLTCLightInvMat(uv);
9605	return LTC_EvaluateRect( worldNormal, viewDir, vPositionW, mInv, dLTCCoords );
9606}
9607fn getRectLightSpecular(worldNormal: vec3f, viewDir: vec3f) -> f32 {
9608	return calcRectLightSpecular(worldNormal, viewDir, dLTCUV);
9609}
9610fn calcDiskLightSpecular(worldNormal: vec3f, viewDir: vec3f, uv: vec2f) -> f32 {
9611	let mInv: mat3x3f = getLTCLightInvMat(uv);
9612	return LTC_EvaluateDisk( worldNormal, viewDir, vPositionW, mInv, dLTCCoords );
9613}
9614fn getDiskLightSpecular(worldNormal: vec3f, viewDir: vec3f) -> f32 {
9615	return calcDiskLightSpecular(worldNormal, viewDir, dLTCUV);
9616}
9617fn getSphereLightSpecular(worldNormal: vec3f, viewDir: vec3f) -> f32 {
9618	return calcDiskLightSpecular(worldNormal, viewDir, dLTCUV);
9619}
9620`,oO=`
9621#ifdef STD_METALNESS_CONSTANT
9622uniform material_metalness: f32;
9623#endif
9624fn getMetalness() {
9625	var metalness: f32 = 1.0;
9626	#ifdef STD_METALNESS_CONSTANT
9627		metalness = metalness * uniform.material_metalness;
9628	#endif
9629	#ifdef STD_METALNESS_TEXTURE
9630		metalness = metalness * textureSampleBias({STD_METALNESS_TEXTURE_NAME}, {STD_METALNESS_TEXTURE_NAME}Sampler, {STD_METALNESS_TEXTURE_UV}, uniform.textureBias).{STD_METALNESS_TEXTURE_CHANNEL};
9631	#endif
9632	#ifdef STD_METALNESS_VERTEX
9633	metalness = metalness * saturate(vVertexColor.{STD_METALNESS_VERTEX_CHANNEL});
9634	#endif
9635	dMetalness = metalness;
9636}
9637`,lO=`
9638var texture_msdfMap: texture_2d<f32>;
9639var texture_msdfMapSampler: sampler;
9640fn median(r: f32, g: f32, b: f32) -> f32 {
9641	return max(min(r, g), min(max(r, g), b));
9642}
9643fn map(min: f32, max: f32, v: f32) -> f32 {
9644	return (v - min) / (max - min);
9645}
9646uniform font_sdfIntensity: f32;
9647uniform font_pxrange: f32;
9648uniform font_textureWidth: f32;
9649#ifndef LIT_MSDF_TEXT_ATTRIBUTE
9650	uniform outline_color: vec4f;
9651	uniform outline_thickness: f32;
9652	uniform shadow_color: vec4f;
9653	uniform shadow_offset: vec2f;
9654#else
9655	varying outline_color: vec4f;
9656	varying outline_thickness: f32;
9657	varying shadow_color: vec4f;
9658	varying shadow_offset: vec2f;
9659#endif
9660fn applyMsdf(color_in: vec4f) -> vec4f {
9661	#ifndef LIT_MSDF_TEXT_ATTRIBUTE
9662		var outline_colorValue = uniform.outline_color;
9663		var outline_thicknessValue = uniform.outline_thickness;

9664		var shadow_colorValue = uniform.shadow_color;
9665		var shadow_offsetValue = uniform.shadow_offset;
9666	#else
9667		var outline_colorValue = outline_color;
9668		var outline_thicknessValue = outline_thickness;
9669		var shadow_colorValue = shadow_color;
9670		var shadow_offsetValue = shadow_offset;
9671	#endif
9672	var color = vec4f(gammaCorrectInputVec3(color_in.rgb), color_in.a);
9673	let tsample: vec3f = textureSample(texture_msdfMap, texture_msdfMapSampler, vUv0).rgb;
9674	let uvShdw: vec2f = vUv0 - shadow_offsetValue;
9675	let ssample: vec3f = textureSample(texture_msdfMap, texture_msdfMapSampler, uvShdw).rgb;
9676	let sigDist: f32 = median(tsample.r, tsample.g, tsample.b);
9677	var sigDistShdw: f32 = median(ssample.r, ssample.g, ssample.b);
9678	let smoothingMax: f32 = 0.2;
9679	let w: vec2f = abs(dpdx(vUv0)) + abs(dpdy(vUv0));
9680	let smoothing: f32 = clamp(w.x * uniform.font_textureWidth / uniform.font_pxrange, 0.0, smoothingMax);
9681	let mapMin: f32 = 0.05;
9682	let mapMax: f32 = clamp(1.0 - uniform.font_sdfIntensity, mapMin, 1.0);
9683	let sigDistInner: f32 = map(mapMin, mapMax, sigDist);
9684	let sigDistOutline: f32 = map(mapMin, mapMax, sigDist + outline_thicknessValue);
9685	sigDistShdw = map(mapMin, mapMax, sigDistShdw + outline_thicknessValue);
9686	let center: f32 = 0.5;
9687	let inside: f32 = smoothstep(center - smoothing, center + smoothing, sigDistInner);
9688	let outline: f32 = smoothstep(center - smoothing, center + smoothing, sigDistOutline);
9689	let shadow: f32 = smoothstep(center - smoothing, center + smoothing, sigDistShdw);
9690	let tcolor_outline: vec4f = outline * vec4f(outline_colorValue.a * outline_colorValue.rgb, outline_colorValue.a);
9691	var tcolor: vec4f = select(vec4f(0.0), tcolor_outline, outline > inside);
9692	tcolor = mix(tcolor, color, inside);
9693	let scolor_shadow: vec4f = shadow * vec4f(shadow_colorValue.a * shadow_colorValue.rgb, shadow_colorValue.a);
9694	let scolor: vec4f = select(tcolor, scolor_shadow, shadow > outline);
9695	tcolor = mix(scolor, tcolor, outline);
9696	tcolor = vec4f(gammaCorrectOutput(tcolor.rgb), tcolor.a);
9697	return tcolor;
9698}
9699`,cO=`
9700fn getSpecularModulate(specularity: vec3f, albedo: vec3f, metalness: f32, f0: f32, specularityFactor: f32) -> vec3f {
9701	let dielectricF0: vec3f = f0 * specularity * specularityFactor;
9702	return mix(dielectricF0, albedo, metalness);
9703}
9704fn getAlbedoModulate(albedo: vec3f, metalness: f32) -> vec3f {
9705	return albedo * (1.0 - metalness);
9706}
9707`,hO=`
9708	varying uv0: vec2f;
9709	var morphTexture: texture_2d_array<f32>;
9710	uniform morphFactor: array<f32, {MORPH_TEXTURE_MAX_COUNT}>;
9711	uniform morphIndex: array<u32, {MORPH_TEXTURE_MAX_COUNT}>;
9712	uniform count: u32;
9713	@fragment
9714	fn fragmentMain(input : FragmentInput) -> FragmentOutput {
9715		var color = vec3f(0, 0, 0);
9716		let textureDims = textureDimensions(morphTexture);
9717		let pixelCoords = vec2i(input.uv0 * vec2f(textureDims));
9718		
9719		for (var i: u32 = 0; i < uniform.count; i = i + 1) {
9720			var textureIndex: u32 = uniform.morphIndex[i].element;
9721			var delta = textureLoad(morphTexture, pixelCoords, textureIndex, 0).xyz;
9722			color += uniform.morphFactor[i].element * delta;
9723		}
9724		var output: FragmentOutput;
9725		output.color = vec4f(color, 1.0);
9726		return output;
9727	}
9728`,dO=`
9729	attribute vertex_position: vec2f;
9730	varying uv0: vec2f;
9731	@vertex
9732	fn vertexMain(input: VertexInput) -> VertexOutput {
9733		var output: VertexOutput;
9734		output.position = vec4f(input.vertex_position, 0.5, 1.0);
9735		output.uv0 = input.vertex_position * 0.5 + vec2f(0.5, 0.5);
9736		return output;
9737	}
9738`,uO=`
9739attribute vertex_outlineParameters: vec3f;
9740attribute vertex_shadowParameters: vec3f;
9741varying outline_color: vec4f;
9742varying outline_thickness: f32;
9743varying shadow_color: vec4f;
9744varying shadow_offset: vec2f;
9745var<private> dOutlineColor: vec4f;
9746var<private> dOutlineThickness: f32;
9747var<private> dShadowColor: vec4f;
9748var<private> dShadowOffset: vec2f;
9749fn unpackMsdfParams() {
9750	let little: vec3f = vertex_outlineParameters % vec3f(256.0);
9751	let big: vec3f = (vertex_outlineParameters - little) / 256.0;
9752	dOutlineColor = vec4f(little.x, big.x, little.y, big.y) / 255.0;
9753	dOutlineThickness = little.z / 255.0 * 0.2;
9754	let little_shadow = vertex_shadowParameters % vec3f(256.0);
9755	let big_shadow = (vertex_shadowParameters - little_shadow) / 256.0;
9756	dShadowColor = vec4f(little_shadow.x, big_shadow.x, little_shadow.y, big_shadow.y) / 255.0;
9757	dShadowOffset = (vec2f(little_shadow.z, big_shadow.z) / 127.0 - 1.0) * 0.005;
9758}
9759`,fO=`
9760var<private> dNormalMatrix: mat3x3f;
9761fn getNormal() -> vec3f {
9762	dNormalMatrix = getNormalMatrix(dModelMatrix);
9763	let localNormal: vec3f = getLocalNormal(vertex_normal);
9764	return normalize(dNormalMatrix * localNormal);
9765}`,pO=`
9766attribute vertex_normal: vec3f;
9767uniform matrix_normal: mat3x3f;
9768#ifdef MORPHING_NORMAL
9769	#ifdef MORPHING_INT
9770		var morphNormalTex: texture_2d<u32>;
9771		var morphNormalTexSampler: sampler;
9772	#else
9773		var morphNormalTex: texture_2d<f32>;
9774		var morphNormalTexSampler: sampler;
9775	#endif
9776#endif
9777fn getLocalNormal(vertexNormal: vec3f) -> vec3f {
9778	var localNormal: vec3f = vertexNormal;
9779	#ifdef MORPHING_NORMAL
9780		let morphUV: vec2i = getTextureMorphCoords();
9781		#ifdef MORPHING_INT
9782			let morphNormalInt: vec4u = textureLoad(morphNormalTex, morphUV, 0);
9783			let morphNormalF: vec3f = vec3f(morphNormalInt.xyz) / 65535.0 * 2.0 - 1.0;
9784			localNormal = localNormal + morphNormalF;
9785		#else
9786			let morphNormal: vec3f = textureLoad(morphNormalTex, morphUV, 0).xyz;
9787			localNormal = localNormal + morphNormal;
9788		#endif
9789	#endif
9790	return localNormal;
9791}
9792#if defined(SKIN) || defined(BATCH)
9793	fn getNormalMatrix(modelMatrix: mat4x4f) -> mat3x3f {
9794		return mat3x3f(modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz);
9795	}
9796#elif defined(INSTANCING)
9797	fn getNormalMatrix(modelMatrix: mat4x4f) -> mat3x3f {
9798		return mat3x3f(modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz);
9799	}
9800#else
9801	fn getNormalMatrix(modelMatrix: mat4x4f) -> mat3x3f {
9802		return uniform.matrix_normal;
9803	}
9804#endif
9805`,mO=`
9806#ifdef STD_NORMAL_TEXTURE
9807	uniform material_bumpiness: f32;
9808#endif
9809#ifdef STD_NORMALDETAIL_TEXTURE

9810	uniform material_normalDetailMapBumpiness: f32;
9811	fn blendNormals(inN1: vec3f, inN2: vec3f) -> vec3f {
9812		let n1: vec3f = inN1 + vec3f(0.0, 0.0, 1.0);
9813		let n2: vec3f = inN2 * vec3f(-1.0, -1.0, 1.0);
9814		return n1 * dot(n1, n2) / n1.z - n2;
9815	}
9816#endif
9817fn getNormal() {
9818#ifdef STD_NORMAL_TEXTURE
9819	var normalMap: vec3f = {STD_NORMAL_TEXTURE_DECODE}(textureSampleBias({STD_NORMAL_TEXTURE_NAME}, {STD_NORMAL_TEXTURE_NAME}Sampler, {STD_NORMAL_TEXTURE_UV}, uniform.textureBias));
9820	normalMap = mix(vec3f(0.0, 0.0, 1.0), normalMap, uniform.material_bumpiness);
9821	#ifdef STD_NORMALDETAIL_TEXTURE
9822		var normalDetailMap: vec3f = {STD_NORMALDETAIL_TEXTURE_DECODE}(textureSampleBias({STD_NORMALDETAIL_TEXTURE_NAME}, {STD_NORMALDETAIL_TEXTURE_NAME}Sampler, {STD_NORMALDETAIL_TEXTURE_UV}, uniform.textureBias));
9823		normalDetailMap = mix(vec3f(0.0, 0.0, 1.0), normalDetailMap, uniform.material_normalDetailMapBumpiness);
9824		normalMap = blendNormals(normalMap, normalDetailMap);
9825	#endif
9826	dNormalW = normalize(dTBN * normalMap);
9827#else
9828	dNormalW = dVertexNormalW;
9829#endif
9830}
9831`,_O=`
9832uniform material_opacity: f32;
9833uniform material_alphaDitherScale: f32;
9834fn getOpacity() {
9835	dAlpha = uniform.material_opacity;
9836	#ifdef STD_OPACITY_TEXTURE
9837	dAlpha = dAlpha * textureSampleBias({STD_OPACITY_TEXTURE_NAME}, {STD_OPACITY_TEXTURE_NAME}Sampler, {STD_OPACITY_TEXTURE_UV}, uniform.textureBias).{STD_OPACITY_TEXTURE_CHANNEL};
9838	#endif
9839	#ifdef STD_OPACITY_VERTEX
9840	dAlpha = dAlpha * clamp(vVertexColor.{STD_OPACITY_VERTEX_CHANNEL}, 0.0, 1.0);
9841	#endif
9842}
9843`,gO=`
9844#if STD_OPACITY_DITHER == BAYER8
9845	#include "bayerPS"
9846#endif
9847uniform blueNoiseJitter: vec4f;
9848#if STD_OPACITY_DITHER == BLUENOISE
9849	var blueNoiseTex32 : texture_2d<f32>;
9850	var blueNoiseTex32Sampler : sampler;
9851#endif
9852fn opacityDither(alpha: f32, id: f32) {
9853	if (alpha <= 0.0) {
9854		discard;
9855	}
9856	if (alpha >= 1.0) {
9857		return;
9858	}
9859	#if STD_OPACITY_DITHER == BAYER8
9860		var noise: f32 = bayer8(floor((pcPosition.xy + uniform.blueNoiseJitter.xy + id) % vec2f(8.0))) / 64.0;
9861	#else
9862		#if STD_OPACITY_DITHER == BLUENOISE
9863			var uv = fract(pcPosition.xy / 32.0 + uniform.blueNoiseJitter.xy + id);
9864			var noise: f32 = textureSampleLevel(blueNoiseTex32, blueNoiseTex32Sampler, uv, 0.0).y;
9865		#endif
9866		#if STD_OPACITY_DITHER == IGNNOISE
9867			var magic = vec3f(0.06711056, 0.00583715, 52.9829189);
9868			var noise: f32 = fract(magic.z * fract(dot(pcPosition.xy + uniform.blueNoiseJitter.xy + id, magic.xy)));
9869		#endif
9870	#endif
9871	noise = pow(noise, 2.2);
9872	if (alpha < noise) {
9873		discard;
9874	}
9875}
9876`,vO=`
9877`,SO=`
9878#if LIT_BLEND_TYPE == NORMAL || LIT_BLEND_TYPE == ADDITIVEALPHA || defined(LIT_ALPHA_TO_COVERAGE)
9879	output.color = vec4f(output.color.rgb, litArgs_opacity);
9880#elif LIT_BLEND_TYPE == PREMULTIPLIED
9881	output.color = vec4f(output.color.rgb * litArgs_opacity, litArgs_opacity);
9882#else
9883	output.color = vec4f(output.color.rgb, 1.0);
9884#endif
9885`,yO=`
9886varying vUv0: vec2f;
9887var source: texture_2d<f32>;
9888var sourceSampler: sampler;
9889@fragment fn fragmentMain(input : FragmentInput) -> FragmentOutput {
9890	var output: FragmentOutput;
9891	output.color = textureSample(source, sourceSampler, input.vUv0);
9892	return output;
9893}
9894`,xO=`
9895uniform material_sheen: vec3f;
9896fn getSheen() {
9897	var sheenColor = uniform.material_sheen;
9898	#ifdef STD_SHEEN_TEXTURE
9899	sheenColor = sheenColor * {STD_SHEEN_TEXTURE_DECODE}(textureSampleBias({STD_SHEEN_TEXTURE_NAME}, {STD_SHEEN_TEXTURE_NAME}Sampler, {STD_SHEEN_TEXTURE_UV}, uniform.textureBias)).{STD_SHEEN_TEXTURE_CHANNEL};
9900	#endif
9901	#ifdef STD_SHEEN_VERTEX
9902	sheenColor = sheenColor * saturate3(vVertexColor.{STD_SHEEN_VERTEX_CHANNEL});
9903	#endif
9904	sSpecularity = sheenColor;
9905}
9906`,TO=`
9907uniform material_sheenGloss: f32;
9908fn getSheenGlossiness() {
9909	var sheenGlossiness = uniform.material_sheenGloss;
9910	#ifdef STD_SHEENGLOSS_TEXTURE
9911	sheenGlossiness = sheenGlossiness * textureSampleBias({STD_SHEENGLOSS_TEXTURE_NAME}, {STD_SHEENGLOSS_TEXTURE_NAME}Sampler, {STD_SHEENGLOSS_TEXTURE_UV}, uniform.textureBias).{STD_SHEENGLOSS_TEXTURE_CHANNEL};
9912	#endif
9913	#ifdef STD_SHEENGLOSS_VERTEX
9914	sheenGlossiness = sheenGlossiness * saturate(vVertexColor.{STD_SHEENGLOSS_VERTEX_CHANNEL});
9915	#endif
9916	#ifdef STD_SHEENGLOSS_INVERT
9917	sheenGlossiness = 1.0 - sheenGlossiness;
9918	#endif
9919	sGlossiness = sheenGlossiness + 0.0000001;
9920}
9921`,wO=`
9922uniform material_heightMapFactor: f32;
9923fn getParallax() {
9924	var parallaxScale = uniform.material_heightMapFactor;
9925	var height: f32 = textureSampleBias({STD_HEIGHT_TEXTURE_NAME}, {STD_HEIGHT_TEXTURE_NAME}Sampler, {STD_HEIGHT_TEXTURE_UV}, uniform.textureBias).{STD_HEIGHT_TEXTURE_CHANNEL};
9926	height = height * parallaxScale - parallaxScale * 0.5;
9927	var viewDirT: vec3f = dViewDirW * dTBN;
9928	viewDirT.z = viewDirT.z + 0.42;
9929	dUvOffset = height * (viewDirT.xy / viewDirT.z);
9930}
9931`,CO=`
9932fn encodePickOutput(id: u32) -> vec4f {
9933	let inv: vec4f = vec4f(1.0 / 255.0);
9934	let shifts: vec4u = vec4u(16u, 8u, 0u, 24u);
9935	let col: vec4u = (vec4u(id) >> shifts) & vec4u(0xffu);
9936	return vec4f(col) * inv;
9937}
9938#ifndef PICK_CUSTOM_ID
9939	uniform meshInstanceId: u32;
9940	fn getPickOutput() -> vec4f {
9941		return encodePickOutput(uniform.meshInstanceId);
9942	}
9943#endif
9944#ifdef DEPTH_PICK_PASS
9945	#include "floatAsUintPS"
9946	#ifndef CAMERAPLANES
9947		#define CAMERAPLANES
9948		uniform camera_params: vec4f;
9949	#endif
9950	fn getPickDepth() -> vec4f {
9951		var linearDepth: f32;
9952		if (uniform.camera_params.w > 0.5) {
9953			linearDepth = pcPosition.z;
9954		} else {
9955			let viewDist = 1.0 / pcPosition.w;
9956			linearDepth = (viewDist - uniform.camera_params.z) / (uniform.camera_params.y - uniform.camera_params.z);
9957		}
9958		return float2uint(linearDepth);
9959	}
9960#endif
9961`,EO=`
9962fn getReflDir(worldNormal: vec3f, viewDir: vec3f, gloss: f32, tbn: mat3x3f) {
9963	dReflDirW = normalize(-reflect(viewDir, worldNormal));
9964}
9965`,bO=`
9966fn getReflDir(worldNormal: vec3f, viewDir: vec3f, gloss: f32, tbn: mat3x3f) {
9967	let roughness: f32 = sqrt(1.0 - min(gloss, 1.0));
9968	let direction: vec2f = dAnisotropyRotation;
9969	let anisotropicT: vec3f = normalize(tbn * vec3f(direction, 0.0));
9970	let anisotropicB: vec3f = normalize(cross(tbn[2], anisotropicT));
9971	let anisotropy: f32 = dAnisotropy;
9972	let anisotropicDirection: vec3f = anisotropicB;
9973	let anisotropicTangent: vec3f = cross(anisotropicDirection, viewDir);
9974	let anisotropicNormal: vec3f = cross(anisotropicTangent, anisotropicDirection);
9975	let bendFactor: f32 = 1.0 - anisotropy * (1.0 - roughness);
9976	let bendFactor4: f32 = bendFactor * bendFactor * bendFactor * bendFactor;
9977	let bentNormal: vec3f = normalize(mix(normalize(anisotropicNormal), normalize(worldNormal), bendFactor4));
9978	dReflDirW = reflect(-viewDir, bentNormal);
9979}`,AO=`
9980#ifdef LIT_CLEARCOAT
9981fn addReflectionCC(reflDir: vec3f, gloss: f32) {
9982	ccReflection = ccReflection + calcReflection(reflDir, gloss);
9983}
9984#endif
9985`,PO=`
9986var texture_cubeMap: texture_cube<f32>;
9987var texture_cubeMapSampler: sampler;
9988uniform material_reflectivity: f32;
9989fn calcReflection(reflDir: vec3f, gloss: f32) -> vec3f {
9990	var lookupVec: vec3f = cubeMapProject(reflDir);
9991	lookupVec.x = lookupVec.x * -1.0;
9992	return {reflectionDecode}(textureSample(texture_cubeMap, texture_cubeMapSampler, lookupVec));
9993}
9994fn addReflection(reflDir: vec3f, gloss: f32) {
9995	dReflection = dReflection + vec4f(calcReflection(reflDir, gloss), uniform.material_reflectivity);
9996}
9997`,IO=`
9998#ifndef ENV_ATLAS
9999	#define ENV_ATLAS
10000	var texture_envAtlas: texture_2d<f32>;
10001	var texture_envAtlasSampler: sampler;
10002#endif
10003var texture_cubeMap: texture_cube<f32>;
10004var texture_cubeMapSampler: sampler;
10005uniform material_reflectivity: f32;
10006fn calcReflection(reflDir: vec3f, gloss: f32) -> vec3f {
10007	let dir: vec3f = cubeMapProject(reflDir) * vec3f(-1.0, 1.0, 1.0);
10008	let uv: vec2f = toSphericalUv(dir);

10009	let level: f32 = saturate(1.0 - gloss) * 5.0;
10010	let ilevel: f32 = floor(level);
10011	let flevel: f32 = level - ilevel;
10012	let sharp: vec3f = {reflectionCubemapDecode}(textureSample(texture_cubeMap, texture_cubeMapSampler, dir));
10013	let roughA: vec3f = {reflectionDecode}(textureSample(texture_envAtlas, texture_envAtlasSampler, mapRoughnessUv(uv, ilevel)));
10014	let roughB: vec3f = {reflectionDecode}(textureSample(texture_envAtlas, texture_envAtlasSampler, mapRoughnessUv(uv, ilevel + 1.0)));
10015	return processEnvironment(mix(sharp, mix(roughA, roughB, flevel), min(level, 1.0)));
10016}
10017fn addReflection(reflDir: vec3f, gloss: f32) {
10018	dReflection = dReflection + vec4f(calcReflection(reflDir, gloss), uniform.material_reflectivity);
10019}
10020`,DO=`
10021#ifndef ENV_ATLAS
10022#define ENV_ATLAS
10023	var texture_envAtlas: texture_2d<f32>;
10024	var texture_envAtlasSampler: sampler;
10025#endif
10026uniform material_reflectivity: f32;
10027fn shinyMipLevel(uv: vec2f) -> f32 {
10028	let dx: vec2f = dpdx(uv);
10029	let dy: vec2f = dpdy(uv);
10030	let uv2: vec2f = vec2f(fract(uv.x + 0.5), uv.y);
10031	let dx2: vec2f = dpdx(uv2);
10032	let dy2: vec2f = dpdy(uv2);
10033	let maxd: f32 = min(max(dot(dx, dx), dot(dy, dy)), max(dot(dx2, dx2), dot(dy2, dy2)));
10034	return clamp(0.5 * log2(maxd) - 1.0 + uniform.textureBias, 0.0, 5.0);
10035}
10036fn calcReflection(reflDir: vec3f, gloss: f32) -> vec3f {
10037	let dir: vec3f = cubeMapProject(reflDir) * vec3f(-1.0, 1.0, 1.0);
10038	let uv: vec2f = toSphericalUv(dir);
10039	let level: f32 = saturate(1.0 - gloss) * 5.0;
10040	let ilevel: f32 = floor(level);
10041	let level2: f32 = shinyMipLevel(uv * atlasSize);
10042	let ilevel2: f32 = floor(level2);
10043	var uv0: vec2f;
10044	var uv1: vec2f;
10045	var weight: f32;
10046	if (ilevel == 0.0) {
10047		uv0 = mapShinyUv(uv, ilevel2);
10048		uv1 = mapShinyUv(uv, ilevel2 + 1.0);
10049		weight = level2 - ilevel2;
10050	} else {
10051		uv0 = mapRoughnessUv(uv, ilevel);
10052		uv1 = uv0;
10053		weight = 0.0;
10054	}
10055	let linearA: vec3f = {reflectionDecode}(textureSample(texture_envAtlas, texture_envAtlasSampler, uv0));
10056	let linearB: vec3f = {reflectionDecode}(textureSample(texture_envAtlas, texture_envAtlasSampler, uv1));
10057	let linear0: vec3f = mix(linearA, linearB, weight);
10058	let linear1: vec3f = {reflectionDecode}(textureSample(texture_envAtlas, texture_envAtlasSampler, mapRoughnessUv(uv, ilevel + 1.0)));
10059	return processEnvironment(mix(linear0, linear1, level - ilevel));
10060}
10061fn addReflection(reflDir: vec3f, gloss: f32) {
10062	dReflection = dReflection + vec4f(calcReflection(reflDir, gloss), uniform.material_reflectivity);
10063}
10064`,MO=`
10065#ifndef VIEWMATRIX
10066	#define VIEWMATRIX
10067	uniform matrix_view: mat4x4f;
10068#endif
10069var texture_sphereMap: texture_2d<f32>;
10070var texture_sphereMapSampler: sampler;
10071uniform material_reflectivity: f32;
10072fn calcReflection(reflDir: vec3f, gloss: f32) -> vec3f {
10073	let viewRotationMatrix = mat3x3f(uniform.matrix_view[0].xyz, uniform.matrix_view[1].xyz, uniform.matrix_view[2].xyz);
10074	let reflDirV: vec3f = viewRotationMatrix * reflDir;
10075	let m: f32 = 2.0 * sqrt(dot(reflDirV.xy, reflDirV.xy) + (reflDirV.z + 1.0) * (reflDirV.z + 1.0));
10076	let sphereMapUv: vec2f = reflDirV.xy / m + 0.5;
10077	return {reflectionDecode}(textureSample(texture_sphereMap, texture_sphereMapSampler, sphereMapUv));
10078}
10079fn addReflection(reflDir: vec3f, gloss: f32) {
10080	dReflection = dReflection + vec4f(calcReflection(reflDir, gloss), uniform.material_reflectivity);
10081}
10082`,RO=`
10083fn addReflectionSheen(worldNormal: vec3f, viewDir: vec3f, gloss: f32) {
10084	let NoV: f32 = dot(worldNormal, viewDir);
10085	let alphaG: f32 = gloss * gloss;
10086	let a: f32 = select(
10087		-8.48 * alphaG + 14.3 * gloss - 9.95,
10088		-339.2 * alphaG + 161.4 * gloss - 25.9,
10089		gloss < 0.25
10090	);
10091	let b: f32 = select(
10092		1.97 * alphaG - 3.27 * gloss + 0.72,
10093		44.0 * alphaG - 23.7 * gloss + 3.26,
10094		gloss < 0.25
10095	);
10096	let dg_add: f32 = select(
10097		0.1 * ( gloss - 0.25 ),
10098		0.0,
10099		gloss < 0.25
10100	);
10101	let dg: f32 = exp( a * NoV + b ) + dg_add;
10102	sReflection = sReflection + (calcReflection(worldNormal, 0.0) * saturate(dg));
10103}`,LO=`
10104fn refract2(viewVec: vec3f, normal: vec3f, IOR: f32) -> vec3f {
10105	let vn: f32 = dot(viewVec, normal);
10106	let k: f32 = 1.0 - IOR * IOR * (1.0 - vn * vn);
10107	let refrVec: vec3f = IOR * viewVec - (IOR * vn + sqrt(k)) * normal;
10108	return refrVec;
10109}
10110fn addRefraction(
10111	worldNormal: vec3f,
10112	viewDir: vec3f,
10113	thickness: f32,
10114	gloss: f32,
10115	specularity: vec3f,
10116	albedo: vec3f,
10117	transmission: f32,
10118	refractionIndex: f32,
10119	dispersion: f32
10120#if defined(LIT_IRIDESCENCE)
10121	, iridescenceFresnel: vec3f,
10122	iridescenceIntensity: f32
10123#endif
10124) {
10125	let tmpRefl: vec4f = dReflection;
10126	let reflectionDir: vec3f = refract2(-viewDir, worldNormal, refractionIndex);
10127	dReflection = vec4f(0.0);
10128	addReflection(reflectionDir, gloss);
10129	dDiffuseLight = mix(dDiffuseLight, dReflection.rgb * albedo, transmission);
10130	dReflection = tmpRefl;
10131}
10132`,FO=`
10133uniform material_invAttenuationDistance: f32;
10134uniform material_attenuation: vec3f;
10135fn evalRefractionColor(refractionVector: vec3f, gloss: f32, refractionIndex: f32) -> vec3f {
10136	let pointOfRefraction: vec4f = vec4f(vPositionW + refractionVector, 1.0);
10137	let projectionPoint: vec4f = uniform.matrix_viewProjection * pointOfRefraction;
10138	let uv: vec2f = getGrabScreenPos(projectionPoint);
10139	let iorToRoughness: f32 = (1.0 - gloss) * clamp((1.0 / refractionIndex) * 2.0 - 2.0, 0.0, 1.0);
10140	let refractionLod: f32 = log2(uniform.uScreenSize.x) * iorToRoughness;
10141	var refraction: vec3f = textureSampleLevel(uSceneColorMap, uSceneColorMapSampler, uv, refractionLod).rgb;
10142	#ifdef SCENE_COLORMAP_GAMMA
10143		refraction = decodeGamma3(refraction);
10144	#endif
10145	return refraction;
10146}
10147fn addRefraction(
10148	worldNormal: vec3f,
10149	viewDir: vec3f,
10150	thickness: f32,
10151	gloss: f32,
10152	specularity: vec3f,
10153	albedo: vec3f,
10154	transmission: f32,
10155	refractionIndex: f32,
10156	dispersion: f32,
10157#if defined(LIT_IRIDESCENCE)
10158	iridescenceFresnel: vec3f,
10159	iridescenceIntensity: f32
10160#endif
10161) {
10162	var modelScale: vec3f;
10163	modelScale.x = length(uniform.matrix_model[0].xyz);
10164	modelScale.y = length(uniform.matrix_model[1].xyz);
10165	modelScale.z = length(uniform.matrix_model[2].xyz);
10166	let scale: vec3f = thickness * modelScale;
10167	var refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndex)) * scale;
10168	var refraction = evalRefractionColor(refractionVector, gloss, refractionIndex);
10169	#ifdef LIT_DISPERSION
10170		let halfSpread: f32 = (1.0 / refractionIndex - 1.0) * 0.025 * dispersion;
10171		let refractionIndexR: f32 = refractionIndex - halfSpread;
10172		refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndexR)) * scale;
10173		refraction.r = evalRefractionColor(refractionVector, gloss, refractionIndexR).r;
10174		let refractionIndexB: f32 = refractionIndex + halfSpread;
10175		refractionVector = normalize(refract(-viewDir, worldNormal, refractionIndexB)) * scale;
10176		refraction.b = evalRefractionColor(refractionVector, gloss, refractionIndexB).b;
10177	#endif
10178	var transmittance: vec3f;
10179	if (uniform.material_invAttenuationDistance != 0.0)
10180	{
10181		let attenuation: vec3f = -log(uniform.material_attenuation) * uniform.material_invAttenuationDistance;
10182		transmittance = exp(-attenuation * length(refractionVector));
10183	}
10184	else
10185	{
10186		transmittance = vec3f(1.0);
10187	}
10188	let fresnel: vec3f = vec3f(1.0) -
10189		getFresnel(
10190			dot(viewDir, worldNormal),
10191			gloss,
10192			specularity
10193		#if defined(LIT_IRIDESCENCE)
10194			, iridescenceFresnel,
10195			iridescenceIntensity
10196		#endif
10197		);
10198	dDiffuseLight = mix(dDiffuseLight, refraction * transmittance * fresnel, transmission);
10199}
10200`,OO=`
10201varying vUv0: vec2f;
10202#ifdef CUBEMAP_SOURCE
10203	var sourceCube: texture_cube<f32>;
10204	var sourceCubeSampler : sampler;
10205#else
10206	var sourceTex: texture_2d<f32>;
10207	var sourceTexSampler : sampler;
10208#endif
10209#ifdef USE_SAMPLES_TEX
10210	var samplesTex: texture_2d<f32>;
10211	var samplesTexSampler : sampler;
10212	uniform samplesTexInverseSize: vec2f;
10213#endif
10214uniform params: vec3f;
10215fn targetFace() -> f32 { return uniform.params.x; }
10216fn targetTotalPixels() -> f32 { return uniform.params.y; }
10217fn sourceTotalPixels() -> f32 { return uniform.params.z; }
10218const PI: f32 = 3.141592653589793;
10219fn saturate(x: f32) -> f32 {
10220	return clamp(x, 0.0, 1.0);
10221}
10222#include "decodePS"
10223#include "encodePS"
10224fn modifySeams(dir: vec3f, scale: f32) -> vec3f {
10225	let adir = abs(dir);
10226	let M = max(max(adir.x, adir.y), adir.z);
10227	return dir / M * vec3f(
10228		select(scale, 1.0, adir.x == M),
10229		select(scale, 1.0, adir.y == M),
10230		select(scale, 1.0, adir.z == M)
10231	);
10232}
10233fn toSpherical(dir: vec3f) -> vec2f {
10234	let nonZeroXZ = any(dir.xz != vec2f(0.0, 0.0));
10235	return vec2f(select(0.0, atan2(dir.x, dir.z), nonZeroXZ), asin(dir.y));
10236}
10237fn fromSpherical(uv: vec2f) -> vec3f {
10238	return vec3f(cos(uv.y) * sin(uv.x),
10239				sin(uv.y),
10240				cos(uv.y) * cos(uv.x));
10241}
10242fn getDirectionEquirect(uv: vec2f) -> vec3f {
10243	return fromSpherical((vec2f(uv.x, 1.0 - uv.y) * 2.0 - 1.0) * vec2f(PI, PI * 0.5));
10244}
10245fn signNotZero(k: f32) -> f32 {
10246	return select(-1.0, 1.0, k >= 0.0);
10247}
10248fn signNotZeroVec2(v: vec2f) -> vec2f {
10249	return vec2f(signNotZero(v.x), signNotZero(v.y));
10250}
10251fn octDecode(o: vec2f) -> vec3f {
10252	var v = vec3f(o.x, 1.0 - abs(o.x) - abs(o.y), o.y);
10253	if (v.y < 0.0) {
10254		var temp: vec2f = (1.0 - abs(v.zx)) * signNotZeroVec2(v.xz);
10255		v = vec3f(temp.x, v.y, temp.y);
10256	}
10257	return normalize(v);
10258}

10259fn getDirectionOctahedral(uv: vec2f) -> vec3f {
10260	return octDecode(vec2f(uv.x, 1.0 - uv.y) * 2.0 - 1.0);
10261}
10262fn octEncode(v: vec3f) -> vec2f {
10263	let l1norm = abs(v.x) + abs(v.y) + abs(v.z);
10264	var result = v.xz * (1.0 / l1norm);
10265	if (v.y < 0.0) {
10266		result = (1.0 - abs(result.yx)) * signNotZeroVec2(result.xy);
10267	}
10268	return result;
10269}
10270#ifdef CUBEMAP_SOURCE
10271	fn sampleCubemapDir(dir: vec3f) -> vec4f {
10272		return textureSample(sourceCube, sourceCubeSampler, modifySeams(dir, 1.0));
10273	}
10274	fn sampleCubemapSph(sph: vec2f) -> vec4f {
10275		return sampleCubemapDir(fromSpherical(sph));
10276	}
10277	fn sampleCubemapDirLod(dir: vec3f, mipLevel: f32) -> vec4f {
10278		return textureSampleLevel(sourceCube, sourceCubeSampler, modifySeams(dir, 1.0), mipLevel);
10279	}
10280	fn sampleCubemapSphLod(sph: vec2f, mipLevel: f32) -> vec4f {
10281		return sampleCubemapDirLod(fromSpherical(sph), mipLevel);
10282	}
10283#else
10284	fn sampleEquirectSph(sph: vec2f) -> vec4f {
10285		let uv = sph / vec2f(PI * 2.0, PI) + 0.5;
10286		return textureSample(sourceTex, sourceTexSampler, vec2f(uv.x, 1.0 - uv.y));
10287	}
10288	fn sampleEquirectDir(dir: vec3f) -> vec4f {
10289		return sampleEquirectSph(toSpherical(dir));
10290	}
10291	fn sampleEquirectSphLod(sph: vec2f, mipLevel: f32) -> vec4f {
10292		let uv = sph / vec2f(PI * 2.0, PI) + 0.5;
10293		return textureSampleLevel(sourceTex, sourceTexSampler, vec2f(uv.x, 1.0 - uv.y), mipLevel);
10294	}
10295	fn sampleEquirectDirLod(dir: vec3f, mipLevel: f32) -> vec4f {
10296		return sampleEquirectSphLod(toSpherical(dir), mipLevel);
10297	}
10298	fn sampleOctahedralDir(dir: vec3f) -> vec4f {
10299		let uv = octEncode(dir) * 0.5 + 0.5;
10300		return textureSample(sourceTex, sourceTexSampler, vec2f(uv.x, 1.0 - uv.y));
10301	}
10302	fn sampleOctahedralSph(sph: vec2f) -> vec4f {
10303		return sampleOctahedralDir(fromSpherical(sph));
10304	}
10305	fn sampleOctahedralDirLod(dir: vec3f, mipLevel: f32) -> vec4f {
10306		let uv = octEncode(dir) * 0.5 + 0.5;
10307		return textureSampleLevel(sourceTex, sourceTexSampler, vec2f(uv.x, 1.0 - uv.y), mipLevel);
10308	}
10309	fn sampleOctahedralSphLod(sph: vec2f, mipLevel: f32) -> vec4f {
10310		return sampleOctahedralDirLod(fromSpherical(sph), mipLevel);
10311	}
10312#endif
10313fn getDirectionCubemap(uv: vec2f) -> vec3f {
10314	let st = uv * 2.0 - 1.0;
10315	let face = targetFace();
10316	var vec: vec3f;
10317	if (face == 0.0) {
10318		vec = vec3f(1, -st.y, -st.x);
10319	} else if (face == 1.0) {
10320		vec = vec3f(-1, -st.y, st.x);
10321	} else if (face == 2.0) {
10322		vec = vec3f(st.x, 1, st.y);
10323	} else if (face == 3.0) {
10324		vec = vec3f(st.x, -1, -st.y);
10325	} else if (face == 4.0) {
10326		vec = vec3f(st.x, -st.y, 1);
10327	} else {
10328		vec = vec3f(-st.x, -st.y, -1);
10329	}
10330	return normalize(modifySeams(vec, 1.0));
10331}
10332fn matrixFromVector(n: vec3f) -> mat3x3f {
10333	let a = 1.0 / (1.0 + n.z);
10334	let b = -n.x * n.y * a;
10335	let b1 = vec3f(1.0 - n.x * n.x * a, b, -n.x);
10336	let b2 = vec3f(b, 1.0 - n.y * n.y * a, -n.y);
10337	return mat3x3f(b1, b2, n);
10338}
10339fn matrixFromVectorSlow(n: vec3f) -> mat3x3f {
10340	let up = select(vec3f(0.0, 0.0, select(-1.0, 1.0, n.y > 0.0)), vec3f(0.0, 1.0, 0.0), abs(n.y) > 0.0000001);
10341	let x = normalize(cross(up, n));
10342	let y = cross(n, x);
10343	return mat3x3f(x, y, n);
10344}
10345fn reproject(uv: vec2f) -> vec4f {
10346	if ({NUM_SAMPLES} <= 1) {
10347		return {ENCODE_FUNC}({DECODE_FUNC}({SOURCE_FUNC}Dir({TARGET_FUNC}(uv))));
10348	} else {
10349		let t = {TARGET_FUNC}(uv);
10350		let tu = dpdx(t);
10351		let tv = dpdy(t);
10352		var result = vec3f(0.0);
10353		for (var u = 0.0; u < {NUM_SAMPLES_SQRT}; u += 1.0) {
10354			for (var v = 0.0; v < {NUM_SAMPLES_SQRT}; v += 1.0) {
10355				result += {DECODE_FUNC}({SOURCE_FUNC}Dir(normalize(t +
10356															tu * (u / {NUM_SAMPLES_SQRT} - 0.5) +
10357															tv * (v / {NUM_SAMPLES_SQRT} - 0.5))));
10358			}
10359		}
10360		return {ENCODE_FUNC}(result / ({NUM_SAMPLES_SQRT} * {NUM_SAMPLES_SQRT}));
10361	}
10362}
10363const unpackFloat: vec4f = vec4f(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 16581375.0);
10364#ifdef USE_SAMPLES_TEX
10365	fn unpackSample(i: i32, L: ptr<function, vec3f>, mipLevel: ptr<function, f32>) {
10366		var u = (f32(i * 4) + 0.5) * uniform.samplesTexInverseSize.x;
10367		var v = (floor(u) + 0.5) * uniform.samplesTexInverseSize.y;
10368		var raw: vec4f;
10369		raw.x = dot(textureSample(samplesTex, samplesTexSampler, vec2f(u, v)), unpackFloat); u += uniform.samplesTexInverseSize.x;
10370		raw.y = dot(textureSample(samplesTex, samplesTexSampler, vec2f(u, v)), unpackFloat); u += uniform.samplesTexInverseSize.x;
10371		raw.z = dot(textureSample(samplesTex, samplesTexSampler, vec2f(u, v)), unpackFloat); u += uniform.samplesTexInverseSize.x;

10372		raw.w = dot(textureSample(samplesTex, samplesTexSampler, vec2f(u, v)), unpackFloat);
10373		*L = raw.xyz * 2.0 - 1.0;
10374		*mipLevel = raw.w * 8.0;
10375	}
10376	fn prefilterSamples(uv: vec2f) -> vec4f {
10377		let vecSpace = matrixFromVectorSlow({TARGET_FUNC}(uv));
10378		var L: vec3f;
10379		var mipLevel: f32;
10380		var result = vec3f(0.0);
10381		var totalWeight = 0.0;
10382		for (var i = 0; i < {NUM_SAMPLES}; i += 1) {
10383			unpackSample(i, &L, &mipLevel);
10384			result += {DECODE_FUNC}({SOURCE_FUNC}DirLod(vecSpace * L, mipLevel)) * L.z;
10385			totalWeight += L.z;
10386		}
10387		return {ENCODE_FUNC}(result / totalWeight);
10388	}
10389	fn prefilterSamplesUnweighted(uv: vec2f) -> vec4f {
10390		let vecSpace = matrixFromVectorSlow({TARGET_FUNC}(uv));
10391		var L: vec3f;
10392		var mipLevel: f32;
10393		var result = vec3f(0.0);
10394		for (var i = 0; i < {NUM_SAMPLES}; i += 1) {
10395			unpackSample(i, &L, &mipLevel);
10396			result += {DECODE_FUNC}({SOURCE_FUNC}DirLod(vecSpace * L, mipLevel));
10397		}
10398		return {ENCODE_FUNC}(result / f32({NUM_SAMPLES}));
10399	}
10400#endif
10401@fragment
10402fn fragmentMain(input : FragmentInput) -> FragmentOutput {
10403	var output: FragmentOutput;
10404	output.color = {PROCESS_FUNC}(input.vUv0);
10405	return output;
10406}
10407`,BO=`
10408attribute vertex_position: vec2f;
10409uniform uvMod: vec4f;
10410varying vUv0: vec2f;
10411@vertex
10412fn vertexMain(input: VertexInput) -> VertexOutput {
10413	var output: VertexOutput;
10414	output.position = vec4f(input.vertex_position, 0.5, 1.0);
10415	output.vUv0 = getImageEffectUV((input.vertex_position * 0.5 + vec2f(0.5, 0.5)) * uniform.uvMod.xy + uniform.uvMod.zw);
10416	return output;
10417}
10418`,NO=`
10419var uSceneDepthMap: texture_2d<uff>;
10420#ifndef SCREENSIZE
10421	#define SCREENSIZE
10422	uniform uScreenSize: vec4f;
10423#endif
10424#ifndef VIEWMATRIX
10425	#define VIEWMATRIX
10426	uniform matrix_view: mat4x4f;
10427#endif
10428#ifndef LINEARIZE_DEPTH
10429	#define LINEARIZE_DEPTH
10430	#ifndef CAMERAPLANES
10431		#define CAMERAPLANES
10432		uniform camera_params: vec4f;
10433	#endif
10434	fn linearizeDepth(z: f32) -> f32 {
10435		if (uniform.camera_params.w == 0.0) {
10436			return (uniform.camera_params.z * uniform.camera_params.y) / (uniform.camera_params.y + z * (uniform.camera_params.z - uniform.camera_params.y));
10437		} else {
10438			return uniform.camera_params.z + z * (uniform.camera_params.y - uniform.camera_params.z);
10439		}
10440	}
10441#endif
10442fn delinearizeDepth(linearDepth: f32) -> f32 {
10443	if (uniform.camera_params.w == 0.0) {
10444		return (uniform.camera_params.y * (uniform.camera_params.z - linearDepth)) / (linearDepth * (uniform.camera_params.z - uniform.camera_params.y));
10445	} else {
10446		return (linearDepth - uniform.camera_params.z) / (uniform.camera_params.y - uniform.camera_params.z);
10447	}
10448}
10449fn getLinearScreenDepth(uv: vec2f) -> f32 {
10450	let textureSize = textureDimensions(uSceneDepthMap, 0);
10451	let texel: vec2i = vec2i(uv * vec2f(textureSize));
10452	#ifdef SCENE_DEPTHMAP_LINEAR
10453		return textureLoad(uSceneDepthMap, texel, 0).r;
10454	#else
10455		return linearizeDepth(textureLoad(uSceneDepthMap, texel, 0).r);
10456	#endif
10457}
10458#ifndef VERTEXSHADER
10459	fn getLinearScreenDepthFrag() -> f32 {
10460		let uv: vec2f = pcPosition.xy * uniform.uScreenSize.zw;
10461		return getLinearScreenDepth(uv);
10462	}
10463#endif
10464fn getLinearDepth(pos: vec3f) -> f32 {

10465	return -(uniform.matrix_view * vec4f(pos, 1.0)).z;
10466}
10467`,kO=`
10468fn getShadowCascadeIndex(shadowCascadeDistances: vec4f, shadowCascadeCount: i32) -> i32 {
10469	let depth: f32 = 1.0 / pcPosition.w;
10470	let comparisons: vec4f = step(shadowCascadeDistances, vec4f(depth));
10471	let cascadeIndex: i32 = i32(dot(comparisons, vec4f(1.0)));
10472	return min(cascadeIndex, shadowCascadeCount - 1);
10473}
10474fn ditherShadowCascadeIndex(cascadeIndex_in: i32, shadowCascadeDistances: vec4f, shadowCascadeCount: i32, blendFactor: f32) -> i32 {
10475	var cascadeIndex: i32 = cascadeIndex_in;
10476	if (cascadeIndex < shadowCascadeCount - 1) {
10477		let currentRangeEnd: f32 = shadowCascadeDistances[cascadeIndex];
10478		let transitionStart: f32 = blendFactor * currentRangeEnd;
10479		let depth: f32 = 1.0 / pcPosition.w;
10480		if (depth > transitionStart) {
10481			let transitionFactor: f32 = smoothstep(transitionStart, currentRangeEnd, depth);
10482			let dither: f32 = fract(sin(dot(pcPosition.xy, vec2f(12.9898, 78.233))) * 43758.5453);
10483			if (dither < transitionFactor) {
10484				cascadeIndex = cascadeIndex + 1;
10485			}
10486		}
10487	}
10488	return cascadeIndex;
10489}
10490fn fadeShadow(shadowCoord_in: vec3f, shadowCascadeDistances: vec4f) -> vec3f {
10491	var shadowCoord: vec3f = shadowCoord_in;
10492	let depth: f32 = 1.0 / pcPosition.w;
10493	if (depth > shadowCascadeDistances.w) {
10494		shadowCoord.z = -9999999.0;
10495	}
10496	return shadowCoord;
10497}
10498`,UO=`
10499fn linstep(a: f32, b: f32, v: f32) -> f32 {
10500	return clamp((v - a) / (b - a), 0.0, 1.0);
10501}
10502fn reduceLightBleeding(pMax: f32, amount: f32) -> f32 {
10503	 return linstep(amount, 1.0, pMax);
10504}
10505fn chebyshevUpperBound(moments: vec2f, mean: f32, minVariance: f32, lightBleedingReduction: f32) -> f32 {
10506	var variance: f32 = moments.y - (moments.x * moments.x);
10507	variance = max(variance, minVariance);
10508	let d: f32 = mean - moments.x;
10509	var pMax: f32 = variance / (variance + (d * d));
10510	pMax = reduceLightBleeding(pMax, lightBleedingReduction);
10511	return select(pMax, 1.0, mean <= moments.x);
10512}
10513fn calculateEVSM(moments_in: vec3f, Z_in: f32, vsmBias: f32, exponent: f32) -> f32 {
10514	let Z: f32 = 2.0 * Z_in - 1.0;
10515	let warpedDepth: f32 = exp(exponent * Z);
10516	let moments: vec2f = moments_in.xy + vec2f(warpedDepth, warpedDepth*warpedDepth) * (1.0 - moments_in.z);
10517	let VSMBias: f32 = vsmBias;
10518	let depthScale: f32 = VSMBias * exponent * warpedDepth;
10519	let minVariance1: f32 = depthScale * depthScale;
10520	return chebyshevUpperBound(moments, warpedDepth, minVariance1, 0.1);
10521}
10522fn VSM16(tex: texture_2d<f32>, texSampler: sampler, texCoords: vec2f, resolution: f32, Z: f32, vsmBias: f32, exponent: f32) -> f32 {
10523	let moments: vec3f = textureSampleLevel(tex, texSampler, texCoords, 0.0).xyz;
10524	return calculateEVSM(moments, Z, vsmBias, exponent);
10525}

10526fn getShadowVSM16(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoord: vec3f, shadowParams: vec4f, exponent: f32) -> f32 {
10527	return VSM16(shadowMap, shadowMapSampler, shadowCoord.xy, shadowParams.x, shadowCoord.z, shadowParams.y, exponent);
10528}
10529fn getShadowSpotVSM16(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoord: vec3f, shadowParams: vec4f, exponent: f32, lightDir: vec3f) -> f32 {
10530	let Z: f32 = length(lightDir) * shadowParams.w + shadowParams.z;
10531	return VSM16(shadowMap, shadowMapSampler, shadowCoord.xy, shadowParams.x, Z, shadowParams.y, exponent);
10532}
10533fn VSM32(tex: texture_2d<f32>, texSampler: sampler, texCoords_in: vec2f, resolution: f32, Z: f32, vsmBias: f32, exponent: f32) -> f32 {
10534	#ifdef CAPS_TEXTURE_FLOAT_FILTERABLE
10535		var moments: vec3f = textureSampleLevel(tex, texSampler, texCoords_in, 0.0).xyz;
10536	#else
10537		var pixelSize : f32 = 1.0 / resolution;
10538		let texCoords: vec2f = texCoords_in - vec2f(pixelSize);
10539		let s00: vec3f = textureSampleLevel(tex, texSampler, texCoords, 0.0).xyz;
10540		let s10: vec3f = textureSampleLevel(tex, texSampler, texCoords + vec2f(pixelSize, 0.0), 0.0).xyz;
10541		let s01: vec3f = textureSampleLevel(tex, texSampler, texCoords + vec2f(0.0, pixelSize), 0.0).xyz;
10542		let s11: vec3f = textureSampleLevel(tex, texSampler, texCoords + vec2f(pixelSize), 0.0).xyz;
10543		let fr: vec2f = fract(texCoords * resolution);
10544		let h0: vec3f = mix(s00, s10, fr.x);
10545		let h1: vec3f = mix(s01, s11, fr.x);
10546		var moments: vec3f = mix(h0, h1, fr.y);
10547	#endif
10548	return calculateEVSM(moments, Z, vsmBias, exponent);
10549}
10550fn getShadowVSM32(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoord: vec3f, shadowParams: vec4f, exponent: f32) -> f32 {
10551	return VSM32(shadowMap, shadowMapSampler, shadowCoord.xy, shadowParams.x, shadowCoord.z, shadowParams.y, exponent);
10552}
10553fn getShadowSpotVSM32(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoord: vec3f, shadowParams: vec4f, exponent: f32, lightDir: vec3f) -> f32 {
10554	let Z: f32 = length(lightDir) * shadowParams.w + shadowParams.z;
10555	return VSM32(shadowMap, shadowMapSampler, shadowCoord.xy, shadowParams.x, Z, shadowParams.y, exponent);
10556}
10557`,zO=`
10558fn getShadowPCF1x1(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10559	return textureSampleCompareLevel(shadowMap, shadowMapSampler, shadowCoord.xy, shadowCoord.z);
10560}
10561fn getShadowSpotPCF1x1(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10562	return textureSampleCompareLevel(shadowMap, shadowMapSampler, shadowCoord.xy, shadowCoord.z);
10563}
10564`,VO=`
10565fn _getShadowPCF3x3(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec3f) -> f32 {
10566	let z: f32 = shadowCoord.z;
10567	let uv: vec2f = shadowCoord.xy * shadowParams.x;
10568	let shadowMapSizeInv: f32 = 1.0 / shadowParams.x;
10569	let base_uv_temp: vec2f = floor(uv + 0.5);
10570	let s: f32 = (uv.x + 0.5 - base_uv_temp.x);
10571	let t: f32 = (uv.y + 0.5 - base_uv_temp.y);
10572	let base_uv: vec2f = (base_uv_temp - vec2f(0.5)) * shadowMapSizeInv;
10573	var sum: f32 = 0.0;
10574	let uw0: f32 = (3.0 - 2.0 * s);
10575	let uw1: f32 = (1.0 + 2.0 * s);
10576	let u0_offset: f32 = (2.0 - s) / uw0 - 1.0;
10577	let u1_offset: f32 = s / uw1 + 1.0;
10578	let vw0: f32 = (3.0 - 2.0 * t);
10579	let vw1: f32 = (1.0 + 2.0 * t);
10580	let v0_offset: f32 = (2.0 - t) / vw0 - 1.0;
10581	let v1_offset: f32 = t / vw1 + 1.0;
10582	let u0: f32 = u0_offset * shadowMapSizeInv + base_uv.x;
10583	let v0: f32 = v0_offset * shadowMapSizeInv + base_uv.y;
10584	let u1: f32 = u1_offset * shadowMapSizeInv + base_uv.x;
10585	let v1: f32 = v1_offset * shadowMapSizeInv + base_uv.y;
10586	sum = sum + uw0 * vw0 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u0, v0), z);
10587	sum = sum + uw1 * vw0 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u1, v0), z);
10588	sum = sum + uw0 * vw1 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u0, v1), z);
10589	sum = sum + uw1 * vw1 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u1, v1), z);
10590	sum = sum * (1.0 / 16.0);
10591	return sum;
10592}
10593fn getShadowPCF3x3(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10594	return _getShadowPCF3x3(shadowMap, shadowMapSampler, shadowCoord, shadowParams.xyz);
10595}
10596fn getShadowSpotPCF3x3(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10597	return _getShadowPCF3x3(shadowMap, shadowMapSampler, shadowCoord, shadowParams.xyz);
10598}
10599`,GO=`
10600fn _getShadowPCF5x5(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec3f) -> f32 {
10601	let z: f32 = shadowCoord.z;
10602	let uv: vec2f = shadowCoord.xy * shadowParams.x;
10603	let shadowMapSizeInv: f32 = 1.0 / shadowParams.x;
10604	let base_uv_temp: vec2f = floor(uv + 0.5);
10605	let s: f32 = (uv.x + 0.5 - base_uv_temp.x);
10606	let t: f32 = (uv.y + 0.5 - base_uv_temp.y);
10607	let base_uv: vec2f = (base_uv_temp - vec2f(0.5)) * shadowMapSizeInv;
10608	let uw0: f32 = (4.0 - 3.0 * s);
10609	let uw1: f32 = 7.0;
10610	let uw2: f32 = (1.0 + 3.0 * s);
10611	let u0_offset: f32 = (3.0 - 2.0 * s) / uw0 - 2.0;
10612	let u1_offset: f32 = (3.0 + s) / uw1;
10613	let u2_offset: f32 = s / uw2 + 2.0;
10614	let vw0: f32 = (4.0 - 3.0 * t);
10615	let vw1: f32 = 7.0;
10616	let vw2: f32 = (1.0 + 3.0 * t);
10617	let v0_offset: f32 = (3.0 - 2.0 * t) / vw0 - 2.0;
10618	let v1_offset: f32 = (3.0 + t) / vw1;
10619	let v2_offset: f32 = t / vw2 + 2.0;
10620	var sum: f32 = 0.0;
10621	let u0: f32 = u0_offset * shadowMapSizeInv + base_uv.x;
10622	let v0: f32 = v0_offset * shadowMapSizeInv + base_uv.y;
10623	let u1: f32 = u1_offset * shadowMapSizeInv + base_uv.x;
10624	let v1: f32 = v1_offset * shadowMapSizeInv + base_uv.y;
10625	let u2: f32 = u2_offset * shadowMapSizeInv + base_uv.x;
10626	let v2: f32 = v2_offset * shadowMapSizeInv + base_uv.y;
10627	sum = sum + uw0 * vw0 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u0, v0), z);
10628	sum = sum + uw1 * vw0 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u1, v0), z);
10629	sum = sum + uw2 * vw0 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u2, v0), z);
10630	sum = sum + uw0 * vw1 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u0, v1), z);
10631	sum = sum + uw1 * vw1 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u1, v1), z);
10632	sum = sum + uw2 * vw1 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u2, v1), z);
10633	sum = sum + uw0 * vw2 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u0, v2), z);
10634	sum = sum + uw1 * vw2 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u1, v2), z);
10635	sum = sum + uw2 * vw2 * textureSampleCompareLevel(shadowMap, shadowMapSampler, vec2f(u2, v2), z);
10636	sum = sum * (1.0 / 144.0);
10637	sum = saturate(sum);
10638	return sum;
10639}
10640fn getShadowPCF5x5(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10641	return _getShadowPCF5x5(shadowMap, shadowMapSampler, shadowCoord, shadowParams.xyz);
10642}
10643fn getShadowSpotPCF5x5(shadowMap: texture_depth_2d, shadowMapSampler: sampler_comparison, shadowCoord: vec3f, shadowParams: vec4f) -> f32 {
10644	return _getShadowPCF5x5(shadowMap, shadowMapSampler, shadowCoord, shadowParams.xyz);
10645}
10646`,HO=`
10647fn fractSinRand(uv: vec2f) -> f32 {
10648	let PI: f32 = 3.141592653589793;
10649	let a: f32 = 12.9898; let b: f32 = 78.233; let c: f32 = 43758.5453;
10650	let dt: f32 = dot(uv.xy, vec2f(a, b));
10651	let sn: f32 = dt % PI;
10652	return fract(sin(sn) * c);
10653}
10654struct VogelDiskData {
10655	invNumSamples: f32,
10656	initialAngle: f32,
10657	currentPointId: f32,
10658}
10659fn prepareDiskConstants(data: ptr<function, VogelDiskData>, sampleCount: i32, randomSeed: f32) {
10660	let pi2: f32 = 6.28318530718;
10661	data.invNumSamples = 1.0 / f32(sampleCount);
10662	data.initialAngle = randomSeed * pi2;
10663	data.currentPointId = 0.0;
10664}
10665fn generateDiskSample(data: ptr<function, VogelDiskData>) -> vec2f {
10666	let GOLDEN_ANGLE: f32 = 2.399963;
10667	let r: f32 = sqrt((data.currentPointId + 0.5) * data.invNumSamples);
10668	let theta: f32 = data.currentPointId * GOLDEN_ANGLE + data.initialAngle;
10669	let offset: vec2f = vec2f(cos(theta), sin(theta)) * pow(r, 1.33);
10670	data.currentPointId = data.currentPointId + 1.0;
10671	return offset;
10672}
10673fn PCSSFindBlocker(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, avgBlockerDepth: ptr<function, f32>, numBlockers: ptr<function, i32>,
10674	shadowCoords: vec2f, z: f32, shadowBlockerSamples: i32, penumbraSize: f32, invShadowMapSize: f32, randomSeed: f32) {
10675	var diskData: VogelDiskData;
10676	prepareDiskConstants(&diskData, shadowBlockerSamples, randomSeed);
10677	let searchWidth: f32 = penumbraSize * invShadowMapSize;
10678	var blockerSum: f32 = 0.0;
10679	var numBlockers_local: i32 = 0;
10680	for( var i: i32 = 0; i < shadowBlockerSamples; i = i + 1 ) {
10681		let diskUV: vec2f = generateDiskSample(&diskData);
10682		let sampleUV: vec2f = shadowCoords + diskUV * searchWidth;
10683		let shadowMapDepth: f32 = textureSampleLevel(shadowMap, shadowMapSampler, sampleUV, 0.0

10683).r;
10684		if ( shadowMapDepth < z ) {
10685			blockerSum = blockerSum + shadowMapDepth;
10686			numBlockers_local = numBlockers_local + 1;
10687		}
10688	}
10689	*avgBlockerDepth = blockerSum / f32(numBlockers_local);
10690	*numBlockers = numBlockers_local;
10691}
10692fn PCSSFilter(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, uv: vec2f, receiverDepth: f32, shadowSamples: i32, filterRadius: f32, randomSeed: f32) -> f32 {
10693	var diskData: VogelDiskData;
10694	prepareDiskConstants(&diskData, shadowSamples, randomSeed);
10695	var sum: f32 = 0.0;
10696	for (var i: i32 = 0; i < shadowSamples; i = i + 1) {
10697		let offsetUV: vec2f = generateDiskSample(&diskData) * filterRadius;
10698		let depth: f32 = textureSampleLevel(shadowMap, shadowMapSampler, uv + offsetUV, 0.0).r;
10699		sum = sum + step(receiverDepth, depth);
10700	}
10701	return sum / f32(shadowSamples);
10702}
10703fn getPenumbra(dblocker: f32, dreceiver: f32, penumbraSize: f32, penumbraFalloff: f32) -> f32 {
10704	let dist: f32 = dreceiver - dblocker;
10705	let penumbra: f32 = 1.0 - pow(1.0 - dist, penumbraFalloff);
10706	return penumbra * penumbraSize;
10707}
10708fn PCSSDirectional(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoords: vec3f, cameraParams: vec4f, softShadowParams: vec4f) -> f32 {
10709	let receiverDepth: f32 = shadowCoords.z;
10710	let randomSeed: f32 = fractSinRand(pcPosition.xy);
10711	let shadowSamples: i32 = i32(softShadowParams.x);
10712	let shadowBlockerSamples: i32 = i32(softShadowParams.y);
10713	let penumbraSize: f32 = softShadowParams.z;
10714	let penumbraFalloff: f32 = softShadowParams.w;
10715	let shadowMapSize: i32 = i32(textureDimensions(shadowMap, 0).x);
10716	var invShadowMapSize: f32 = 1.0 / f32(shadowMapSize);
10717	invShadowMapSize = invShadowMapSize * (f32(shadowMapSize) / 2048.0);
10718	var penumbra: f32;
10719	if (shadowBlockerSamples > 0) {
10720		var avgBlockerDepth: f32 = 0.0;
10721		var numBlockers: i32 = 0;
10722		PCSSFindBlocker(shadowMap, shadowMapSampler, &avgBlockerDepth, &numBlockers, shadowCoords.xy, receiverDepth, shadowBlockerSamples, penumbraSize, invShadowMapSize, randomSeed);
10723		if (numBlockers < 1) {
10724			return 1.0;
10725		}
10726		penumbra = getPenumbra(avgBlockerDepth, shadowCoords.z, penumbraSize, penumbraFalloff);
10727	} else {
10728		penumbra = penumbraSize;
10729	}
10730	let filterRadius: f32 = penumbra * invShadowMapSize;
10731	return PCSSFilter(shadowMap, shadowMapSampler, shadowCoords.xy, receiverDepth, shadowSamples, filterRadius, randomSeed);
10732}
10733fn getShadowPCSS(shadowMap: texture_2d<f32>, shadowMapSampler: sampler, shadowCoord: vec3f, shadowParams: vec4f, cameraParams: vec4f, softShadowParams: vec4f, lightDir: vec3f) -> f32 {
10734	return PCSSDirectional(shadowMap, shadowMapSampler, shadowCoord, cameraParams, softShadowParams);
10735}
10736`,WO=`
10737attribute vertex_boneIndices: f32;
10738var texture_poseMap: texture_2d<uff>;
10739fn getBoneMatrix(indexFloat: f32) -> mat4x4f {
10740	let width = i32(textureDimensions(texture_poseMap).x);
10741	let index: i32 = i32(indexFloat + 0.5) * 3;
10742	let iy: i32 = index / width;
10743	let ix: i32 = index % width;
10744	let v1: vec4f = textureLoad(texture_poseMap, vec2i(ix + 0, iy), 0);
10745	let v2: vec4f = textureLoad(texture_poseMap, vec2i(ix + 1, iy), 0);
10746	let v3: vec4f = textureLoad(texture_poseMap, vec2i(ix + 2, iy), 0);
10747	return mat4x4f(
10748		v1.x, v2.x, v3.x, 0,
10749		v1.y, v2.y, v3.y, 0,
10750		v1.z, v2.z, v3.z, 0,
10751		v1.w, v2.w, v3.w, 1.0
10752	);
10753}
10754`,XO=`
10755attribute vertex_boneWeights: vec4f;
10756attribute vertex_boneIndices: vec4f;
10757var texture_poseMap: texture_2d<uff>;
10758struct BoneMatrix {
10759	v1: vec4f,
10760	v2: vec4f,
10761	v3: vec4f,
10762}
10763fn getBoneMatrix(width: i32, index: i32) -> BoneMatrix {
10764	let v = index / width;
10765	let u = index % width;
10766	var result: BoneMatrix;
10767	result.v1 = textureLoad(texture_poseMap, vec2i(u + 0, v), 0);
10768	result.v2 = textureLoad(texture_poseMap, vec2i(u + 1, v), 0);
10769	result.v3 = textureLoad(texture_poseMap, vec2i(u + 2, v), 0);
10770	return result;
10771}
10772fn getSkinMatrix(indicesFloat: vec4f, weights: vec4f) -> mat4x4f {
10773	let width = i32(textureDimensions(texture_poseMap).x);
10774	var indices = vec4i(indicesFloat + 0.5) * 3;
10775	let boneA = getBoneMatrix(width, indices.x);
10776	let boneB = getBoneMatrix(width, indices.y);
10777	let boneC = getBoneMatrix(width, indices.z);
10778	let boneD = getBoneMatrix(width, indices.w);
10779	let v1 = boneA.v1 * weights.x + boneB.v1 * weights.y + boneC.v1 * weights.z + boneD.v1 * weights.w;
10780	let v2 = boneA.v2 * weights.x + boneB.v2 * weights.y + boneC.v2 * weights.z + boneD.v2 * weights.w;
10781	let v3 = boneA.v3 * weights.x + boneB.v3 * weights.y + boneC.v3 * weights.z + boneD.v3 * weights.w;
10782	let one = dot(weights, vec4f(1.0, 1.0, 1.0, 1.0));
10783	return mat4x4f(
10784		v1.x, v2.x, v3.x, 0,
10785		v1.y, v2.y, v3.y, 0,
10786		v1.z, v2.z, v3.z, 0,
10787		v1.w, v2.w, v3.w, one
10788	);
10789}
10790`,YO=`
10791	#define LIT_SKYBOX_INTENSITY
10792	#include "envProcPS"
10793	#include "gammaPS"
10794	#include "tonemappingPS"
10795	#ifdef PREPASS_PASS
10796		varying vLinearDepth: f32;
10797		#include "floatAsUintPS"
10798	#endif
10799	varying vViewDir : vec3f;
10800	uniform skyboxHighlightMultiplier : f32;

10801	#if defined(SKY_FISHEYE) && !defined(SKYMESH)
10802		uniform fisheye_k : f32;
10803		uniform fisheye_invK : f32;
10804		uniform fisheye_projMat00 : f32;
10805		uniform fisheye_projMat11 : f32;
10806		uniform matrix_view : mat4x4f;
10807		uniform cubeMapRotationMatrix : mat3x3f;
10808		varying vClipXYW : vec3f;
10809	#endif
10810	#ifdef SKY_CUBEMAP
10811		var texture_cubeMap : texture_cube<f32>;
10812		var texture_cubeMap_sampler : sampler;
10813		#ifdef SKYMESH
10814			varying vWorldPos : vec3f;
10815			uniform cubeMapRotationMatrix : mat3x3f;
10816			uniform projectedSkydomeCenter : vec3f;
10817		#endif
10818	#else
10819		#include "sphericalPS"
10820		#include "envAtlasPS"
10821		var texture_envAtlas : texture_2d<f32>;
10822		var texture_envAtlas_sampler : sampler;
10823		uniform mipLevel : f32;
10824	#endif
10825	@fragment
10826	fn fragmentMain(input : FragmentInput) -> FragmentOutput {
10827		var output: FragmentOutput;
10828		#ifdef PREPASS_PASS
10829			output.color = float2vec4(vLinearDepth);
10830		#else
10831			var linear : vec3f;
10832			var dir : vec3f;
10833			#if defined(SKY_FISHEYE) && !defined(SKYMESH)
10834				let ndc : vec2f = input.vClipXYW.xy / input.vClipXYW.z;
10835				let px : f32 = ndc.x / uniform.fisheye_projMat00;
10836				let py : f32 = ndc.y / uniform.fisheye_projMat11;
10837				let r : f32 = sqrt(px * px + py * py);
10838				let theta : f32 = uniform.fisheye_k * atan(r * uniform.fisheye_invK);
10839				let sinT : f32 = sin(theta);
10840				let cosT : f32 = cos(theta);
10841				var camDir : vec3f;
10842				if (r > 1e-6) {
10843					camDir = vec3f(px / r * sinT, py / r * sinT, -cosT);
10844				} else {
10845					camDir = vec3f(0.0, 0.0, -1.0);
10846				}
10847				let viewMat3 : mat3x3f = mat3x3f(
10848					uniform.matrix_view[0].xyz,
10849					uniform.matrix_view[1].xyz,
10850					uniform.matrix_view[2].xyz
10851				);
10852				dir = transpose(viewMat3) * camDir;
10853				dir = dir * uniform.cubeMapRotationMatrix;
10854			#elif defined(SKY_CUBEMAP) && defined(SKYMESH)
10855				var envDir : vec3f = normalize(input.vWorldPos - uniform.projectedSkydomeCenter);
10856				dir = envDir * uniform.cubeMapRotationMatrix;
10857			#else
10858				dir = input.vViewDir;
10859			#endif
10860			#ifdef SKY_CUBEMAP
10861				dir.x *= -1.0;
10862				linear = {SKYBOX_DECODE_FNC}(textureSample(texture_cubeMap, texture_cubeMap_sampler, dir));
10863			#else
10864				dir *= vec3f(-1.0, 1.0, 1.0);
10865				let uv : vec2f = toSphericalUv(normalize(dir));
10866				linear = {SKYBOX_DECODE_FNC}(textureSample(texture_envAtlas, texture_envAtlas_sampler, mapRoughnessUv(uv, uniform.mipLevel)));
10867			#endif
10868			if (any(linear >= vec3f(64.0))) {
10869				linear *= uniform.skyboxHighlightMultiplier;
10870			}
10871			
10872			output.color = vec4f(gammaCorrectOutput(toneMap(processEnvironment(linear))), 1.0);
10873		#endif
10874		return output;
10875	}
10876`,jO=`
10877	attribute aPosition : vec4f;
10878	uniform matrix_view : mat4x4f;
10879	uniform matrix_projectionSkybox : mat4x4f;
10880	uniform cubeMapRotationMatrix : mat3x3f;
10881	varying vViewDir : vec3f;
10882	#ifdef SKY_FISHEYE
10883		varying vClipXYW : vec3f;
10884	#endif
10885	#ifdef PREPASS_PASS
10886		varying vLinearDepth: f32;
10887	#endif
10888	#ifdef SKYMESH
10889		uniform matrix_model : mat4x4f;
10890		varying vWorldPos : vec3f;
10891	#endif
10892	@vertex
10893	fn vertexMain(input : VertexInput) -> VertexOutput {
10894		var output : VertexOutput;
10895		var view : mat4x4f = uniform.matrix_view;
10896		#ifdef SKYMESH
10897			var worldPos : vec4f = uniform.matrix_model * input.aPosition;
10898			output.vWorldPos = worldPos.xyz;
10899			output.position = uniform.matrix_projectionSkybox * (view * worldPos);
10900			#ifdef PREPASS_PASS
10901				output.vLinearDepth = -(uniform.matrix_view * vec4f(worldPos.xyz, 1.0)).z;
10902			#endif
10903		#else
10904			view[3][0] = 0.0;
10905			view[3][1] = 0.0;
10906			view[3][2] = 0.0;
10907			output.vViewDir = input.aPosition.xyz * uniform.cubeMapRotationMatrix;
10908			#ifdef SKY_FISHEYE
10909				var viewPos : vec4f = view * input.aPosition;
10910				output.position = vec4f(viewPos.xy, 0.0, -viewPos.z);
10911				output.vClipXYW = vec3f(output.position.xy, output.position.w);
10912			#else
10913				output.position = uniform.matrix_projectionSkybox * (view * input.aPosition);
10914			#endif
10915			#ifdef PREPASS_PASS
10916				output.vLinearDepth = -pcPosition.w;
10917			#endif
10918		#endif
10919		output.position.z = output.position.w - 1.0e-7;
10920		return output;
10921	}
10922`,jg=`
10923fn writeSortIndirectArgs(
10924	baseSlot: u32,
10925	count: u32,
10926	slotInfo: vec4<u32>
10927) {
10928	let n = slotInfo.x;
10929	if (n >= 1u) {
10930		let g = slotInfo.y;
10931		let wc = (count + g - 1u) / g;
10932		let off = baseSlot * 3u;
10933		indirectDispatchArgs[off + 0u] = wc;
10934		indirectDispatchArgs[off + 1u] = 1u;
10935		indirectDispatchArgs[off + 2u] = 1u;
10936	}

10937	if (n >= 2u) {
10938		let g = slotInfo.z;
10939		let wc = (count + g - 1u) / g;
10940		let off = (baseSlot + 1u) * 3u;
10941		indirectDispatchArgs[off + 0u] = wc;
10942		indirectDispatchArgs[off + 1u] = 1u;
10943		indirectDispatchArgs[off + 2u] = 1u;
10944	}
10945	if (n >= 3u) {
10946		let g = slotInfo.w;
10947		let wc = (count + g - 1u) / g;
10948		let off = (baseSlot + 2u) * 3u;
10949		indirectDispatchArgs[off + 0u] = wc;
10950		indirectDispatchArgs[off + 1u] = 1u;
10951		indirectDispatchArgs[off + 2u] = 1u;
10952	}
10953}
10954`,qO=`
10955#ifdef STD_SPECULAR_CONSTANT
10956	uniform material_specular: vec3f;
10957#endif
10958fn getSpecularity() {
10959	var specularColor = vec3f(1.0, 1.0, 1.0);
10960	#ifdef STD_SPECULAR_CONSTANT
10961	specularColor = specularColor * uniform.material_specular;
10962	#endif
10963	#ifdef STD_SPECULAR_TEXTURE
10964	specularColor = specularColor * {STD_SPECULAR_TEXTURE_DECODE}(textureSampleBias({STD_SPECULAR_TEXTURE_NAME}, {STD_SPECULAR_TEXTURE_NAME}Sampler, {STD_SPECULAR_TEXTURE_UV}, uniform.textureBias)).{STD_SPECULAR_TEXTURE_CHANNEL};
10965	#endif
10966	#ifdef STD_SPECULAR_VERTEX
10967	specularColor = specularColor * saturate3(vVertexColor.{STD_SPECULAR_VERTEX_CHANNEL});
10968	#endif
10969	dSpecularity = specularColor;
10970}
10971`,$O=`
10972fn toSpherical(dir: vec3f) -> vec2f {
10973	let angle_xz = select(0.0, atan2(dir.x, dir.z), any(dir.xz != vec2f(0.0)));
10974	return vec2f(angle_xz, asin(dir.y));
10975}
10976fn toSphericalUv(dir : vec3f) -> vec2f {
10977	const PI : f32 = 3.141592653589793;
10978	let uv : vec2f = toSpherical(dir) / vec2f(PI * 2.0, PI) + vec2f(0.5, 0.5);
10979	return vec2f(uv.x, 1.0 - uv.y);
10980}
10981`,KO=`
10982#ifdef STD_SPECULARITYFACTOR_CONSTANT
10983	uniform material_specularityFactor: f32;
10984#endif
10985fn getSpecularityFactor() {
10986	var specularityFactor = 1.0;
10987	#ifdef STD_SPECULARITYFACTOR_CONSTANT
10988	specularityFactor = specularityFactor * uniform.material_specularityFactor;
10989	#endif
10990	#ifdef STD_SPECULARITYFACTOR_TEXTURE
10991	specularityFactor = specularityFactor * textureSampleBias({STD_SPECULARITYFACTOR_TEXTURE_NAME}, {STD_SPECULARITYFACTOR_TEXTURE_NAME}Sampler, {STD_SPECULARITYFACTOR_TEXTURE_UV}, uniform.textureBias).{STD_SPECULARITYFACTOR_TEXTURE_CHANNEL};
10992	#endif
10993	#ifdef STD_SPECULARITYFACTOR_VERTEX
10994	specularityFactor = specularityFactor * saturate(vVertexColor.{STD_SPECULARITYFACTOR_VERTEX_CHANNEL});
10995	#endif
10996	dSpecularityFactor = specularityFactor;
10997}
10998`,ZO=`
10999fn getSpotEffect(lightSpotDir: vec3f, lightInnerConeAngle: f32, lightOuterConeAngle: f32, lightDirNorm: vec3f) -> f32 {
11000	let cosAngle: f32 = dot(lightDirNorm, lightSpotDir);
11001	return smoothstep(lightOuterConeAngle, lightInnerConeAngle, cosAngle);
11002}`,QO=`
11003	nineSlicedUv = vec2f(vUv0.x, 1.0 - vUv0.y);
11004`,JO=`
11005	let tileMask: vec2f = step(vMask, vec2f(0.99999));
11006	let tileSize: vec2f = 0.5 * (innerOffset.xy + innerOffset.zw);
11007	let tileScale: vec2f = vec2f(1.0) / (vec2f(1.0) - tileSize);
11008	var clampedUv: vec2f = mix(innerOffset.xy * 0.5, vec2f(1.0) - innerOffset.zw * 0.5, fract((vTiledUv - tileSize) * tileScale));
11009	clampedUv = clampedUv * atlasRect.zw + atlasRect.xy;
11010	var nineSlicedUv: vec2f = vUv0 * tileMask + clampedUv * (vec2f(1.0) - tileMask);
11011	nineSlicedUv.y = 1.0 - nineSlicedUv.y;
11012`,eB=`
11013	var<private> dAlpha: f32 = 1.0;
11014	#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
11015		#ifdef STD_OPACITY_TEXTURE_ALLOCATE
11016			var texture_opacityMap : texture_2d<f32>;
11017			var texture_opacityMapSampler : sampler;
11018		#endif
11019	#endif
11020	#ifdef FORWARD_PASS
11021		var<private> dAlbedo: vec3f;
11022		var<private> dNormalW: vec3f;
11023		var<private> dSpecularity: vec3f = vec3f(0.0, 0.0, 0.0);
11024		var<private> dGlossiness: f32 = 0.0;
11025		#ifdef LIT_REFRACTION
11026			var<private> dTransmission: f32;
11027			var<private> dThickness: f32;
11028		#endif
11029		#ifdef LIT_SCENE_COLOR
11030			var uSceneColorMap : texture_2d<f32>;
11031			var uSceneColorMapSampler : sampler;
11032		#endif
11033		#ifdef LIT_SCREEN_SIZE
11034			uniform uScreenSize: vec4f;
11035		#endif
11036		#ifdef LIT_TRANSFORMS
11037			var<private> matrix_viewProjection: mat4x4f;
11038			var<private> matrix_model: mat4x4f;
11039		#endif
11040		#ifdef STD_HEIGHT_MAP
11041			var<private> dUvOffset: vec2f;
11042			#ifdef STD_HEIGHT_TEXTURE_ALLOCATE
11043				var texture_heightMap : texture_2d<f32>;
11044				var texture_heightMapSampler : sampler;
11045			#endif
11046		#endif
11047		#ifdef STD_DIFFUSE_TEXTURE_ALLOCATE
11048			var texture_diffuseMap : texture_2d<f32>;
11049			var texture_diffuseMapSampler : sampler;
11050		#endif
11051		#ifdef STD_DIFFUSEDETAIL_TEXTURE_ALLOCATE
11052			var texture_diffuseDetailMap : texture_2d<f32>;
11053			var texture_diffuseDetailMapSampler : sampler;
11054		#endif
11055		#ifdef STD_NORMAL_TEXTURE_ALLOCATE
11056			var texture_normalMap : texture_2d<f32>;
11057			var texture_normalMapSampler : sampler;
11058		#endif
11059		#ifdef STD_NORMALDETAIL_TEXTURE_ALLOCATE
11060			var texture_normalDetailMap : texture_2d<f32>;
11061			var texture_normalDetailMapSampler : sampler;
11062		#endif
11063		#ifdef STD_THICKNESS_TEXTURE_ALLOCATE
11064			var texture_thicknessMap : texture_2d<f32>;
11065			var texture_thicknessMapSampler : sampler;
11066		#endif
11067		#ifdef STD_REFRACTION_TEXTURE_ALLOCATE
11068			var texture_refractionMap : texture_2d<f32>;
11069			var texture_refractionMapSampler : sampler;
11070		#endif
11071		#ifdef LIT_IRIDESCENCE
11072			var<private> dIridescence: f32;
11073			var<private> dIridescenceThickness: f32;
11074			#ifdef STD_IRIDESCENCE_THICKNESS_TEXTURE_ALLOCATE
11075				var texture_iridescenceThicknessMap : texture_2d<f32>;
11076				var texture_iridescenceThicknessMapSampler : sampler;
11077			#endif
11078			#ifdef STD_IRIDESCENCE_TEXTURE_ALLOCATE
11079				var texture_iridescenceMap : texture_2d<f32>;
11080				var texture_iridescenceMapSampler : sampler;
11081			#endif
11082		#endif
11083		#ifdef LIT_CLEARCOAT
11084			var<private> ccSpecularity: f32;
11085			var<private> ccGlossiness: f32;
11086			var<private> ccNormalW: vec3f;
11087		#endif
11088		#ifdef LIT_GGX_SPECULAR
11089			var<private> dAnisotropy: f32;
11090			var<private> dAnisotropyRotation: vec2f;
11091		#endif
11092		#ifdef LIT_SPECULAR_OR_REFLECTION
11093			#ifdef LIT_SHEEN
11094				var<private> sSpecularity: vec3f;
11095				var<private> sGlossiness: f32;
11096				#ifdef STD_SHEEN_TEXTURE_ALLOCATE
11097					var texture_sheenMap : texture_2d<f32>;
11098					var texture_sheenMapSampler : sampler;
11099				#endif
11100				#ifdef STD_SHEENGLOSS_TEXTURE_ALLOCATE
11101					var texture_sheenGlossMap : texture_2d<f32>;
11102					var texture_sheenGlossMapSampler : sampler;
11103				#endif
11104			#endif
11105			#ifdef LIT_METALNESS
11106				var<private> dMetalness: f32;
11107				var<private> dIor: f32;
11108				#ifdef STD_METALNESS_TEXTURE_ALLOCATE
11109					var texture_metalnessMap : texture_2d<f32>;
11110					var texture_metalnessMapSampler : sampler;
11111				#endif
11112			#endif
11113			#ifdef LIT_SPECULARITY_FACTOR
11114				var<private> dSpecularityFactor: f32;
11115				#ifdef STD_SPECULARITYFACTOR_TEXTURE_ALLOCATE
11116					var texture_specularityFactorMap : texture_2d<f32>;
11117					var texture_specularityFactorMapSampler : sampler;
11118				#endif
11119			#endif
11120			#ifdef STD_SPECULAR_COLOR
11121				#ifdef STD_SPECULAR_TEXTURE_ALLOCATE
11122					var texture_specularMap : texture_2d<f32>;
11123					var texture_specularMapSampler : sampler;
11124				#endif
11125			#endif
11126			#ifdef STD_GLOSS_TEXTURE_ALLOCATE
11127				var texture_glossMap : texture_2d<f32>;
11128				var texture_glossMapSampler : sampler;
11129			#endif
11130		#endif
11131		#ifdef STD_AO
11132			var <private> dAo: f32;
11133			#ifdef STD_AO_TEXTURE_ALLOCATE
11134				var texture_aoMap : texture_2d<f32>;
11135				var texture_aoMapSampler : sampler;
11136			#endif
11137			#ifdef STD_AODETAIL_TEXTURE_ALLOCATE
11138				var texture_aoDetailMap : texture_2d<f32>;
11139				var texture_aoDetailMapSampler : sampler;
11140			#endif
11141		#endif
11142		var <private> dEmission: vec3f;
11143		#ifdef STD_EMISSIVE_TEXTURE_ALLOCATE
11144			var texture_emissiveMap : texture_2d<f32>;
11145			var texture_emissiveMapSampler : sampler;
11146		#endif
11147		#ifdef LIT_CLEARCOAT
11148			#ifdef STD_CLEARCOAT_TEXTURE_ALLOCATE
11149				var texture_clearCoatMap : texture_2d<f32>;
11150				var texture_clearCoatMapSampler : sampler;
11151			#endif
11152			#ifdef STD_CLEARCOATGLOSS_TEXTURE_ALLOCATE
11153				var texture_clearCoatGlossMap : texture_2d<f32>;
11154				var texture_clearCoatGlossMapSampler : sampler;
11155			#endif
11156			#ifdef STD_CLEARCOATNORMAL_TEXTURE_ALLOCATE
11157				var texture_clearCoatNormalMap : texture_2d<f32>;
11158				var texture_clearCoatNormalMapSampler : sampler;
11159			#endif
11160		#endif
11161		#ifdef LIT_GGX_SPECULAR
11162			#ifdef STD_ANISOTROPY_TEXTURE_ALLOCATE
11163				var texture_anisotropyMap : texture_2d<f32>;
11164				var texture_anisotropyMapSampler : sampler;
11165			#endif
11166		#endif
11167		#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
11168			var<private> dLightmap: vec3f;

11169			#ifdef STD_LIGHT_TEXTURE_ALLOCATE
11170				var texture_lightMap : texture_2d<f32>;
11171				var texture_lightMapSampler : sampler;
11172			#endif
11173		#endif
11174	#endif
11175	#include "litShaderCorePS"
11176`,tB=`
11177	#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
11178		#include "opacityPS"
11179		#if defined(LIT_ALPHA_TEST)
11180			#include "alphaTestPS"
11181		#endif
11182		#if STD_OPACITY_DITHER != NONE
11183			#include "opacityDitherPS"
11184		#endif
11185	#endif
11186	#ifdef FORWARD_PASS
11187		#ifdef STD_HEIGHT_MAP
11188			#include "parallaxPS"
11189		#endif
11190		#include  "diffusePS"
11191		#ifdef LIT_NEEDS_NORMAL
11192			#include "normalMapPS"
11193		#endif
11194		#ifdef LIT_REFRACTION
11195			#include "transmissionPS"
11196			#include "thicknessPS"
11197		#endif
11198		#ifdef LIT_IRIDESCENCE
11199			#include "iridescencePS"
11200			#include "iridescenceThicknessPS"
11201		#endif
11202		#ifdef LIT_SPECULAR_OR_REFLECTION
11203			#ifdef LIT_SHEEN
11204				#include "sheenPS"
11205				#include "sheenGlossPS"
11206			#endif
11207			#ifdef LIT_METALNESS
11208				#include "metalnessPS"
11209				#include "iorPS"
11210			#endif
11211			#ifdef LIT_SPECULARITY_FACTOR
11212				#include "specularityFactorPS"
11213			#endif
11214			#ifdef STD_SPECULAR_COLOR
11215				#include "specularPS"
11216			#else
11217				fn getSpecularity() { 
11218					dSpecularity = vec3f(1.0, 1.0, 1.0);
11219				}
11220			#endif
11221			#include "glossPS"
11222		#endif
11223		#ifdef STD_AO
11224			#include "aoPS"
11225		#endif
11226		#include "emissivePS"
11227		#ifdef LIT_CLEARCOAT
11228			#include "clearCoatPS"
11229			#include "clearCoatGlossPS"
11230			#include "clearCoatNormalPS"
11231		#endif
11232		#if defined(LIT_SPECULAR) && defined(LIT_LIGHTING) && defined(LIT_GGX_SPECULAR)
11233			#include "anisotropyPS"
11234		#endif
11235		#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
11236			#include "lightmapPS"
11237		#endif
11238	#endif
11239	fn evaluateFrontend() {
11240		#if LIT_BLEND_TYPE != NONE || defined(LIT_ALPHA_TEST) || defined(LIT_ALPHA_TO_COVERAGE) || STD_OPACITY_DITHER != NONE
11241			getOpacity();
11242			#if defined(LIT_ALPHA_TEST)
11243				alphaTest(dAlpha);
11244			#endif
11245			#if STD_OPACITY_DITHER != NONE
11246				opacityDither(dAlpha * uniform.material_alphaDitherScale, 0.0);
11247			#endif
11248			litArgs_opacity = dAlpha;
11249		#endif
11250		#ifdef FORWARD_PASS
11251			#ifdef STD_HEIGHT_MAP
11252				getParallax();
11253			#endif
11254			getAlbedo();
11255			litArgs_albedo = dAlbedo;
11256			#ifdef LIT_NEEDS_NORMAL
11257				getNormal();
11258				litArgs_worldNormal = dNormalW;
11259			#endif
11260			#ifdef LIT_REFRACTION
11261				getRefraction();
11262				litArgs_transmission = dTransmission;
11263				getThickness();
11264				litArgs_thickness = dThickness;
11265				#ifdef LIT_DISPERSION
11266					litArgs_dispersion = uniform.material_dispersion;
11267				#endif
11268			#endif
11269			#ifdef LIT_IRIDESCENCE
11270				getIridescence();
11271				getIridescenceThickness();
11272				litArgs_iridescence_intensity = dIridescence;
11273				litArgs_iridescence_thickness = dIridescenceThickness;
11274			#endif
11275			#ifdef LIT_SPECULAR_OR_REFLECTION
11276				#ifdef LIT_SHEEN
11277					getSheen();
11278					litArgs_sheen_specularity = sSpecularity;
11279					getSheenGlossiness();
11280					litArgs_sheen_gloss = sGlossiness;
11281				#endif
11282				#ifdef LIT_METALNESS
11283					getMetalness();
11284					litArgs_metalness = dMetalness;
11285					getIor();
11286					litArgs_ior = dIor;
11287				#endif
11288				#ifdef LIT_SPECULARITY_FACTOR
11289					getSpecularityFactor();
11290					litArgs_specularityFactor = dSpecularityFactor;
11291				#endif
11292				getGlossiness();
11293				getSpecularity();
11294				litArgs_specularity = dSpecularity;
11295				litArgs_gloss = dGlossiness;
11296			#endif
11297			#ifdef STD_AO
11298				getAO();
11299				litArgs_ao = dAo;
11300			#endif
11301			getEmission();
11302			litArgs_emission = dEmission;
11303			#ifdef LIT_CLEARCOAT
11304				getClearCoat();
11305				getClearCoatGlossiness();
11306				getClearCoatNormal();
11307				litArgs_clearcoat_specularity = ccSpecularity;
11308				litArgs_clearcoat_gloss = ccGlossiness;
11309				litArgs_clearcoat_worldNormal = ccNormalW;
11310			#endif
11311			#if defined(LIT_SPECULAR) && defined(LIT_LIGHTING) && defined(LIT_GGX_SPECULAR)
11312				getAnisotropy();
11313			#endif
11314			#if defined(STD_LIGHTMAP) || defined(STD_LIGHT_VERTEX_COLOR)
11315				getLightMap();
11316				litArgs_lightmap = dLightmap;
11317				#ifdef STD_LIGHTMAP_DIR
11318					litArgs_lightmapDir = dLightmapDir;
11319				#endif
11320			#endif
11321		#endif
11322	}
11323`,sB=`
11324#ifdef LIT_TANGENTS
11325	#define TBN_TANGENTS
11326#else
11327	#if defined(LIT_USE_NORMALS) || defined(LIT_USE_CLEARCOAT_NORMALS)
11328		#define TBN_DERIVATIVES
11329	#endif
11330#endif
11331#if defined(TBN_DERIVATIVES)
11332	uniform tbnBasis: f32;
11333#endif
11334fn getTBN(tangent: vec3f, binormal: vec3f, normal: vec3f) {
11335	#ifdef TBN_TANGENTS
11336		dTBN = mat3x3f(normalize(tangent), normalize(binormal), normalize(normal));
11337	#elif defined(TBN_DERIVATIVES)
11338		let uv: vec2f = {lightingUv};
11339		let dp1: vec3f = dpdx( vPositionW );
11340		let dp2: vec3f = dpdy( vPositionW );
11341		let duv1: vec2f = dpdx( uv );
11342		let duv2: vec2f = dpdy( uv );
11343		let dp2perp: vec3f = cross( dp2, normal );

11344		let dp1perp: vec3f = cross( normal, dp1 );
11345		let T: vec3f = dp2perp * duv1.x + dp1perp * duv2.x;
11346		let B: vec3f = dp2perp * duv1.y + dp1perp * duv2.y;
11347		let denom: f32 = max( dot(T, T), dot(B, B) );
11348		let invmax: f32 = select(uniform.tbnBasis / sqrt( denom ), 0.0, denom == 0.0);
11349		dTBN = mat3x3f(T * invmax, -B * invmax, normal );
11350	#else
11351		var B: vec3f = cross(normal, vObjectSpaceUpW);
11352		var T: vec3f = cross(normal, B);
11353		if (dot(B,B) == 0.0)
11354		{
11355			let major: f32 = max(max(normal.x, normal.y), normal.z);
11356			if (normal.x == major)
11357			{
11358				B = cross(normal, vec3f(0.0, 1.0, 0.0));
11359				T = cross(normal, B);
11360			}
11361			else if (normal.y == major)
11362			{
11363				B = cross(normal, vec3f(0.0, 0.0, 1.0));
11364				T = cross(normal, B);
11365			}
11366			else
11367			{
11368				B = cross(normal, vec3f(1.0, 0.0, 0.0));
11369				T = cross(normal, B);
11370			}
11371		}
11372		dTBN = mat3x3f(normalize(T), normalize(B), normalize(normal));
11373	#endif
11374}`,iB=`
11375#ifdef STD_THICKNESS_CONSTANT
11376uniform material_thickness: f32;
11377#endif
11378fn getThickness() {
11379	dThickness = 1.0;
11380	#ifdef STD_THICKNESS_CONSTANT
11381	dThickness = dThickness * uniform.material_thickness;
11382	#endif
11383	#ifdef STD_THICKNESS_TEXTURE
11384	dThickness = dThickness * textureSampleBias({STD_THICKNESS_TEXTURE_NAME}, {STD_THICKNESS_TEXTURE_NAME}Sampler, {STD_THICKNESS_TEXTURE_UV}, uniform.textureBias).{STD_THICKNESS_TEXTURE_CHANNEL};
11385	#endif
11386	#ifdef STD_THICKNESS_VERTEX
11387	dThickness = dThickness * saturate(vVertexColor.{STD_THICKNESS_VERTEX_CHANNEL});
11388	#endif
11389}
11390`,rB=`
11391#ifndef TONEMAP_NO_EXPOSURE_UNIFORM
11392	#if TONEMAP != NONE
11393		uniform exposure: f32;
11394		fn getExposure() -> f32 { return uniform.exposure; }
11395	#else
11396		fn getExposure() -> f32 { return 1.0; }
11397	#endif
11398#else
11399	#if TONEMAP != NONE
11400		fn getExposure() -> f32 { return uniforms.exposure; }
11401	#else
11402		fn getExposure() -> f32 { return 1.0; }
11403	#endif
11404#endif
11405#if (TONEMAP == NONE)
11406	#include "tonemappingNonePS"
11407#elif TONEMAP == FILMIC
11408	#include "tonemappingFilmicPS"
11409#elif TONEMAP == LINEAR
11410	#include "tonemappingLinearPS"
11411#elif TONEMAP == HEJL
11412	#include "tonemappingHejlPS"
11413#elif TONEMAP == ACES
11414	#include "tonemappingAcesPS"
11415#elif TONEMAP == ACES2
11416	#include "tonemappingAces2PS"
11417#elif TONEMAP == NEUTRAL
11418	#include "tonemappingNeutralPS"
11419#endif
11420`,aB=`
11421fn toneMap(color: vec3f) -> vec3f {
11422	let tA: f32 = 2.51;
11423	let tB: f32 = 0.03;
11424	let tC: f32 = 2.43;
11425	let tD: f32 = 0.59;
11426	let tE: f32 = 0.14;
11427	let x: vec3f = color * getExposure();
11428	return (x * (tA * x + tB)) / (x * (tC * x + tD) + tE);
11429}
11430`,nB=`
11431const ACESInputMat: mat3x3f = mat3x3f(
11432	vec3f(0.59719, 0.35458, 0.04823),
11433	vec3f(0.07600, 0.90834, 0.01566),
11434	vec3f(0.02840, 0.13383, 0.83777)
11435);
11436const ACESOutputMat: mat3x3f = mat3x3f(
11437	vec3f( 1.60475, -0.53108, -0.07367),
11438	vec3f(-0.10208,  1.10813, -0.00605),
11439	vec3f(-0.00327, -0.07276,  1.07602)
11440);
11441fn RRTAndODTFit(v: vec3f) -> vec3f {
11442	let a: vec3f = v * (v + vec3f(0.0245786)) - vec3f(0.000090537);
11443	let b: vec3f = v * (vec3f(0.983729) * v + vec3f(0.4329510)) + vec3f(0.238081);
11444	return a / b;
11445}
11446fn toneMap(color: vec3f) -> vec3f {
11447	var c: vec3f = color * (getExposure() / 0.6);
11448	c = c * ACESInputMat;
11449	c = RRTAndODTFit(c);
11450	c = c * ACESOutputMat;
11451	return clamp(c, vec3f(0.0), vec3f(1.0));
11452}
11453`,oB=`
11454const A: f32 = 0.15;
11455const B: f32 = 0.50;
11456const C: f32 = 0.10;
11457const D: f32 = 0.20;
11458const E: f32 = 0.02;
11459const F: f32 = 0.30;
11460const W: f32 = 11.2;
11461fn uncharted2Tonemap(x: vec3f) -> vec3f {
11462	return ((x * (A * x + C * B) + D * E) / (x * (A * x + B) + D * F)) - vec3f(E / F);
11463}
11464fn toneMap(color: vec3f) -> vec3f {
11465	var c: vec3f = uncharted2Tonemap(color * getExposure());
11466	let whiteScale: vec3f = vec3f(1.0) / uncharted2Tonemap(vec3f(W, W, W));
11467	c *= whiteScale;
11468	return c;
11469}
11470`,lB=`
11471fn toneMap(color: vec3f) -> vec3f {
11472	let A: f32 = 0.22;
11473	let B: f32 = 0.3;
11474	let C: f32 = 0.1;
11475	let D: f32 = 0.2;
11476	let E: f32 = 0.01;
11477	let F: f32 = 0.3;
11478	let Scl: f32 = 1.25;
11479	let adjusted_color = color * getExposure();
11480	let h = max(vec3f(0.0), adjusted_color - vec3f(0.004));
11481	return (h * ((Scl * A) * h + Scl * vec3f(C * B)) + Scl * vec3f(D * E)) /
11482		   (h * (A * h + vec3f(B)) + vec3f(D * F)) -
11483		   Scl * vec3f(E / F);
11484}
11485`,cB=`
11486fn toneMap(color: vec3f) -> vec3f {
11487	return color * getExposure();
11488}
11489`,hB=`
11490fn toneMap(col: vec3f) -> vec3f {
11491	var color = col * getExposure();
11492	let startCompression = 0.8 - 0.04;
11493	let desaturation = 0.15;
11494	let x = min(color.r, min(color.g, color.b));
11495	let offset = select(0.04, x - 6.25 * x * x, x < 0.08);
11496	color -= vec3f(offset);
11497	let peak = max(color.r, max(color.g, color.b));
11498	if (peak < startCompression) {
11499		return color;
11500	}
11501	let d = 1.0 - startCompression;
11502	let newPeak = 1.0 - d * d / (peak + d - startCompression);
11503	color *= newPeak / peak;
11504	let g = 1.0 - 1.0 / (desaturation * (peak - newPeak) + 1.0);
11505	return mix(color, vec3f(newPeak), vec3f(g));
11506}
11507`,dB=`
11508fn toneMap(color: vec3f) -> vec3f {
11509	return color;
11510}
11511`,uB=`
11512#ifdef PIXELSNAP
11513	uniform uScreenSize: vec4f;
11514#endif
11515#ifdef SCREENSPACE
11516	uniform projectionFlipY: f32;
11517#endif
11518fn evalWorldPosition(vertexPosition: vec3f, modelMatrix: mat4x4f) -> vec4f {
11519	var localPos: vec3f = getLocalPosition(vertexPosition);
11520	#ifdef NINESLICED
11521		var localPosXZ: vec2f = localPos.xz;
11522		localPosXZ = localPosXZ * uniform.outerScale;
11523		let positiveUnitOffset: vec2f = clamp(vertexPosition.xz, vec2f(0.0), vec2f(1.0));
11524		let negativeUnitOffset: vec2f = clamp(-vertexPosition.xz, vec2f(0.0), vec2f(1.0));
11525		localPosXZ = localPosXZ + (-positiveUnitOffset * uniform.innerOffset.xy + negativeUnitOffset * uniform.innerOffset.zw) * vertex_texCoord0.xy;
11526		dTiledUvGlobal = (localPosXZ - uniform.outerScale + uniform.innerOffset.xy) * -0.5 + 1.0;
11527		localPosXZ = localPosXZ * -0.5;
11528		localPos = vec3f(localPosXZ.x, localPosXZ.y, localPos.y);
11529	#endif
11530	var posW: vec4f = modelMatrix * vec4f(localPos, 1.0);
11531	#ifdef SCREENSPACE
11532		posW = vec4f(posW.xy, 0.0, 1.0);
11533	#endif
11534	return posW;
11535}
11536fn getPosition() -> vec4f {
11537	dModelMatrix = getModelMatrix();
11538	let posW: vec4f = evalWorldPosition(vertex_position.xyz, dModelMatrix);
11539	dPositionW = posW.xyz;
11540	var screenPos: vec4f;
11541	#ifdef UV1LAYOUT
11542		screenPos = vec4f(vertex_texCoord1.xy * 2.0 - 1.0, 0.5, 1.0);

11543		screenPos.y *= -1.0;
11544	#else
11545		#ifdef SCREENSPACE
11546			screenPos = posW;
11547			screenPos.y *= uniform.projectionFlipY;
11548		#else
11549			screenPos = uniform.matrix_viewProjection * posW;
11550		#endif
11551		#ifdef PIXELSNAP
11552			screenPos.xy = (screenPos.xy * 0.5) + 0.5;
11553			screenPos.xy *= uniforms.uScreenSize.xy;
11554			screenPos.xy = floor(screenPos.xy);
11555			screenPos.xy *= uniforms.uScreenSize.zw;
11556			screenPos.xy = (screenPos.xy * 2.0) - 1.0;
11557		#endif
11558	#endif
11559	return screenPos;
11560}
11561fn getWorldPosition() -> vec3f {
11562	return dPositionW;
11563}
11564`,fB=`
11565	attribute vertex_position: vec4f;
11566	uniform matrix_viewProjection: mat4x4f;
11567	uniform matrix_model: mat4x4f;
11568	
11569	#ifdef MORPHING
11570		uniform morph_tex_params: vec2f;
11571		attribute morph_vertex_id: u32;
11572		fn getTextureMorphCoords() -> vec2i {
11573			var textureSize: vec2i = vec2i(uniform.morph_tex_params);
11574			var morphGridV: i32 = i32(morph_vertex_id) / textureSize.x;
11575			var morphGridU: i32 = i32(morph_vertex_id) - (morphGridV * textureSize.x);
11576			morphGridV = textureSize.y - morphGridV - 1;
11577			return vec2i(morphGridU, morphGridV);
11578		}
11579		#ifdef MORPHING_POSITION
11580			#ifdef MORPHING_INT
11581				uniform aabbSize: vec3f;
11582				uniform aabbMin: vec3f;
11583				var morphPositionTex: texture_2d<u32>;
11584			#else
11585				var morphPositionTex: texture_2d<f32>;
11586			#endif
11587		#endif
11588	#endif
11589	#ifdef defined(BATCH)
11590		#include "skinBatchVS"
11591		fn getModelMatrix() -> mat4x4f {
11592			return getBoneMatrix(vertex_boneIndices);
11593		}
11594	#elif defined(SKIN)
11595		#include "skinVS"
11596		fn getModelMatrix() -> mat4x4f {
11597			return uniform.matrix_model * getSkinMatrix(vertex_boneIndices, vertex_boneWeights);
11598		}
11599	#elif defined(INSTANCING)
11600		#include "transformInstancingVS"
11601	#else
11602		fn getModelMatrix() -> mat4x4f {
11603			return uniform.matrix_model;
11604		}
11605	#endif
11606	fn getLocalPosition(vertexPosition: vec3f) -> vec3f {
11607		var localPos: vec3f = vertexPosition;
11608		#ifdef MORPHING_POSITION
11609			var morphUV: vec2i = getTextureMorphCoords();
11610			#ifdef MORPHING_INT
11611				var morphPos: vec3f = vec3f(textureLoad(morphPositionTex, morphUV, 0).xyz) / 65535.0 * uniform.aabbSize + uniform.aabbMin;
11612			#else
11613				var morphPos: vec3f = textureLoad(morphPositionTex, morphUV, 0).xyz;
11614			#endif
11615			localPos += morphPos;
11616		#endif
11617		return localPos;
11618	}
11619`,pB=`
11620attribute instance_line1: vec4f;
11621attribute instance_line2: vec4f;
11622attribute instance_line3: vec4f;
11623attribute instance_line4: vec4f;
11624fn getModelMatrix() -> mat4x4f {
11625	return uniform.matrix_model * mat4x4f(instance_line1, instance_line2, instance_line3, instance_line4);
11626}
11627`,mB=`
11628#ifdef STD_REFRACTION_CONSTANT
11629	uniform material_refraction: f32;
11630#endif
11631fn getRefraction() {
11632	var refraction: f32 = 1.0;
11633	#ifdef STD_REFRACTION_CONSTANT
11634	refraction = uniform.material_refraction;
11635	#endif
11636	#ifdef STD_REFRACTION_TEXTURE
11637	refraction = refraction * textureSampleBias({STD_REFRACTION_TEXTURE_NAME}, {STD_REFRACTION_TEXTURE_NAME}Sampler, {STD_REFRACTION_TEXTURE_UV}, uniform.textureBias).{STD_REFRACTION_TEXTURE_CHANNEL};
11638	#endif
11639	#ifdef STD_REFRACTION_VERTEX
11640	refraction = refraction * saturate(vVertexColor.{STD_REFRACTION_VERTEX_CHANNEL});
11641	#endif
11642	dTransmission = refraction;
11643}
11644`,_B=`
11645fn handleTwoSidedLighting() {
11646	if (!pcFrontFacing) { dTBN[2] = -dTBN[2]; }
11647}
11648`,gB=`
11649#ifdef NINESLICED
11650	fn getUv0() -> vec2f {
11651		var uv = vertex_position.xz;
11652		let positiveUnitOffset = clamp(vertex_position.xz, vec2f(0.0, 0.0), vec2f(1.0, 1.0));
11653		let negativeUnitOffset = clamp(-vertex_position.xz, vec2f(0.0, 0.0), vec2f(1.0, 1.0));
11654		uv = uv + ((-positiveUnitOffset * uniform.innerOffset.xy) + (negativeUnitOffset * uniform.innerOffset.zw)) * vertex_texCoord0.xy;
11655		uv = uv * -0.5 + vec2f(0.5, 0.5);
11656		uv = uv * uniform.atlasRect.zw + uniform.atlasRect.xy;
11657		dMaskGlobal = vertex_texCoord0.xy;
11658		return uv;
11659	}
11660#else
11661	fn getUv0() -> vec2f {
11662		return vertex_texCoord0;
11663	}
11664#endif
11665`,vB=`
11666fn getUv1() -> vec2f {
11667	return vertex_texCoord1;
11668}
11669`,SB=`
11670output.vUV{TRANSFORM_UV_{i}}_{TRANSFORM_ID_{i}} = vec2f(
11671	dot(vec3f(uv{TRANSFORM_UV_{i}}, 1), uniform.{TRANSFORM_NAME_{i}}0),
11672	dot(vec3f(uv{TRANSFORM_UV_{i}}, 1), uniform.{TRANSFORM_NAME_{i}}1)
11673);
11674`,yB=`
11675	uniform {TRANSFORM_NAME_{i}}0: vec3f;
11676	uniform {TRANSFORM_NAME_{i}}1: vec3f;
11677`,xB=`
11678fn getViewDir() {
11679	dViewDirW = normalize(uniform.view_position - vPositionW);
11680}
11681`;const Kl={alphaTestPS:N3,ambientPS:k3,anisotropyPS:U3,aoPS:z3,aoDiffuseOccPS:V3,aoSpecOccPS:G3,bakeDirLmEndPS:H3,bakeLmEndPS:W3,basePS:X3,baseNineSlicedPS:Y3,baseNineSlicedTiledPS:j3,bayerPS:q3,blurVSMPS:$3,clearCoatPS:K3,clearCoatGlossPS:Z3,clearCoatNormalPS:Q3,clusteredLightCookiesPS:eF,clusteredLightShadowsPS:tF,clusteredLightUtilsPS:J3,clusteredLightPS:sF,combinePS:iF,cookieBlit2DPS:rF,cookieBlitCubePS:aF,cookieBlitVS:nF,cubeMapProjectP

11681S:oF,cubeMapRotatePS:lF,debugOutputPS:cF,debugProcessFrontendPS:hF,detailModesPS:uF,diffusePS:fF,decodePS:dF,emissivePS:pF,encodePS:mF,endPS:_F,envAtlasPS:gF,envProcPS:vF,falloffInvSquaredPS:SF,falloffLinearPS:yF,floatAsUintPS:xF,fogPS:TF,fogMathPS:wF,fresnelSchlickPS:CF,frontendCodePS:"",frontendDeclPS:"",fullscreenQuadVS:EF,gammaPS:bF,glossPS:AF,quadVS:PF,indirectCoreCS:Of,immediateLinePS:IF,immediateLineVS:DF,iridescenceDiffractionPS:MF,iridescencePS:RF,iridescenceThicknessPS:LF,iorPS:FF,lightDeclarationPS:OF,lightDiffuseLambertPS:BF,lightDirPointPS:NF,lightEvaluationPS:kF,lightFunctionLightPS:UF,lightFunctionShadowPS:zF,lightingPS:VF,lightmapAddPS:GF,lightmapPS:HF,lightSpecularAnisoGGXPS:WF,lightSpecularGGXPS:XF,lightSpecularBlinnPS:YF,lightSheenPS:jF,linearizeDepthPS:qF,litForwardBackendPS:$F,litForwardDeclarationPS:KF,litForwardMainPS:ZF,litForwardPostCodePS:QF,litForwardPreCodePS:JF,litMainPS:eO,litMainVS:tO,litOtherMainPS:sO,litShaderArgsPS:iO,litShaderCorePS:rO,litShadowMainPS:aO,litUserDeclarationPS:"",litUserDeclarationVS:"",litUserCodePS:"",litUserCodeVS:"",litUserMainStartPS:"",litUserMainStartVS:"",litUserMainEndPS:"",litUserMainEndVS:"",ltcPS:nO,metalnessPS:oO,metalnessModulatePS:cO,morphPS:hO,morphVS:dO,msdfPS:lO,msdfVS:uO,normalVS:fO,normalCoreVS:pO,normalMapPS:mO,opacityPS:_O,opacityDitherPS:gO,outputPS:vO,outputAlphaPS:SO,outputTex2DPS:yO,sheenPS:xO,sheenGlossPS:TO,parallaxPS:wO,pickPS:CO,reflDirPS:EO,reflDirAnisoPS:bO,reflectionCCPS:AO,reflectionCubePS:PO,reflectionEnvHQPS:IO,reflectionEnvPS:DO,reflectionSpherePS:MO,reflectionSheenPS:RO,refractionCubePS:LO,refractionDynamicPS:FO,reprojectPS:OO,reprojectVS:BO,screenDepthPS:NO,shadowCascadesPS:kO,shadowEVSMPS:UO,shadowPCF1PS:zO,shadowPCF3PS:VO,shadowPCF5PS:GO,shadowSoftPS:HO,skinBatchVS:WO,skinVS:XO,skyboxPS:YO,skyboxVS:jO,sortIndirectArgsCS:jg,specularPS:qO,sphericalPS:$O,specularityFactorPS:KO,spotPS:ZO,startNineSlicedPS:QO,startNineSlicedTiledPS:JO,stdDeclarationPS:eB,stdFrontEndPS:tB,TBNPS:sB,thicknessPS:iB,tonemappingPS:rB,tonemappingAcesPS:aB,tonemappingAces2PS:nB,tonemappingFilmicPS:oB,tonemappingHejlPS:lB,tonemappingLinearPS:cB,tonemappingNeutralPS:hB,tonemappingNonePS:dB,transformVS:uB,transformCoreVS:fB,transformInstancingVS:pB,transmissionPS:mB,twoSidedLightingPS:_B,uv0VS:gB,uv1VS:vB,uvTransformVS:SB,uvTransformUniformsPS:yB,viewDirPS:xB,webgpuPS:nT,webgpuVS:oT};class Ts extends ge{_batcher=null;_destroyRequested=!1;_inFrameUpdate=!1;_librariesLoaded=!1;_fillMode=by;_resolutionMode=IR;_allowResize=!0;_skyboxAsset=null;_soundManager;_visibilityChangeHandler;_entityIndex={};_inTools=!1;_scriptPrefix="";_time=0;enableBundles=typeof TextDecoder<"u";frameRequestId;tick=(e,t)=>{if(!this.graphicsDevice)return;this.frameRequestId&&(this.xr?.session?.cancelAnimationFrame(this.frameRequestId),cancelAnimationFrame(this.frameRequestId),this.frameRequestId=null),this._inFrameUpdate=!0,$p(this);const s=this._processTimestamp(e)||Gt(),i=s-(this._time||s);let r=i/1e3;if(r=H.clamp(r,0,this.maxDeltaTime),r*=this.timeScale,this._time=s,this.requestAnimationFrame(),this.graphicsDevice.contextLost)return;this.stats.updateBasic(s,r,i,this.renderer,this.graphicsDevice),this.fire("frameupdate",i);let a=!1;t&&(a=!this.xr?.update(t)),a||(this.update(r),this.fire("framerender"),(this.autoRender||this.renderNextFrame)&&(this.render(),this.renderNextFrame=!1),this.fire("frameend"),this.stats.frameEnd()),this._inFrameUpdate=!1,this._destroyRequested&&this.destroy()};timeScale=1;maxDeltaTime=.1;frame=0;frameGraph=new DR;renderer;scriptsOrder=[];stats;autoRender=!0;renderNextFrame=!1;graphicsDevice;root;scene;lightmapper=null;loader=new Co(this);assets;bundles;scenes=new qR(this);scripts=new WR(this);systems=new UR;i18n=new fn(this);keyboard=null;mouse=null;touch=null;gamepads=null;elementInput=null;xr=null;constructor(e){super(),Ts._applications[e.id]=this,$p(this),this.root=new lt,this.root._enabledInHierarchy=!0}init(e){const{assetPrefix:t,batchManager:s,componentSystems:i,elementInput:r,gamepads:a,graphicsDevice:n,keyboard:o,lightmapper:c,mouse:h,resourceHandlers:d,scriptsOrder:u,scriptPrefix:f,soundManager:p,touch:m,xr:_}=e;this.graphicsDevice=n,be.get(n,ze).add(B3),be.get(n,de).add(Kl),this._initDefaultMaterial(),this._initProgramLibrary(),this.stats=new $R(n),this._soundManager=p,this.scene=new ti(n),this._registerSceneImmediate(this.scene),this.assets=new Ew(this.loader),t&&(this.assets.prefix=t),this.bundles=new kR(this.assets),this.scriptsOrder=u||[],this.defaultLayerWorld=new Kt({name:"World",i

11681d:Ir}),this.defaultLayerDepth=new Kt({name:"Depth",id:ks,enabled:!1,opaqueSortMode:Ad}),this.defaultLayerSkybox=new Kt({name:"Skybox",id:Pg,opaqueSortMode:Ad}),this.defaultLayerUi=new Kt({name:"UI",id:Ef,transparentSortMode:MI}),this.defaultLayerImmediate=new Kt({name:"Immediate",id:Ig,opaqueSortMode:Ad});const g=new i_("default");g.pushOpaque(this.defaultLayerWorld),g.pushOpaque(this.defaultLayerDepth),g.pushOpaque(this.defaultLayerSkybox),g.pushTransparent(this.defaultLayerWorld),g.pushOpaque(this.defaultLayerImmediate),g.pushTransparent(this.defaultLayerImmediate),g.pushTransparent(this.defaultLayerUi),this.scene.layers=g,Ha.createPlaceholder(n),this.renderer=new KT(n,this.scene),c&&(this.lightmapper=new c(n,this.root,this.scene,this.renderer,this.assets),this.once("prerender",this._firstBake,this)),s&&(this._batcher=new s(n,this.root,this.scene),this.once("prerender",this._firstBatch,this)),this.keyboard=o||null,this.mouse=h||null,this.touch=m||null,this.gamepads=a||null,r&&(this.elementInput=r,this.elementInput.app=this),this.xr=_?new _(this):null,this.elementInput&&this.elementInput.attachSelectEvents(),this._scriptPrefix=f||"",this.enableBundles&&this.loader.addHandler("bundle",new GR(this)),d.forEach(v=>{const x=new v(this);this.loader.addHandler(x.handlerType,x)}),this.loader.enableRetry(),i.forEach(v=>{this.systems.add(new v(this))}),this._visibilityChangeHandler=this.onVisibilityChange.bind(this),typeof document<"u"&&document.addEventListener("visibilitychange",this._visibilityChangeHandler,!1)}static _applications={};static getApplication(e){return e?Ts._applications[e]:yi()}_initDefaultMaterial(){const e=new Es;e.name="Default Material",a1(this.graphicsDevice,e)}_initProgramLibrary(){const e=new KM(this.graphicsDevice,new Es);qI(this.graphicsDevice,e)}get soundManager(){return this._soundManager}get batcher(){return this._batcher}get fillMode(){return this._fillMode}get resolutionMode(){return this._resolutionMode}configure(e,t){ht.get(e,(s,i)=>{if(s){t(s);return}const r=i.application_properties,a=i.scenes,n=i.assets;this._parseApplicationProperties(r,o=>{this._parseScenes(a),this._parseAssets(n),t(o||null)})})}preload(e){this.fire("preload:start");const t=this.assets.list({preload:!0});if(t.length===0){this.fire("preload:end"),e();return}let s=0;const i=()=>{s++,this.fire("preload:progress",s/t.length),s===t.length&&(this.fire("preload:end"),e())};t.forEach(r=>{r.loaded?i():(r.once("load",i),r.once("error",i),this.assets.load(r))})}_preloadScripts(e,t){t()}_parseApplicationProperties(e,t){if(typeof e.maxAssetRetries=="number"&&e.maxAssetRetries>0&&this.loader.enableRetry(e.maxAssetRetries),e.useDevicePixelRatio||(e.useDevicePixelRatio=e.use_device_pixel_ratio),e.resolutionMode||(e.resolutionMode=e.resolution_mode),e.fillMode||(e.fillMode=e.fill_mode),this._width=e.width,this._height=e.height,e.useDevicePixelRatio&&(this.graphicsDevice.maxPixelRatio=window.devicePixelRatio),this.setCanvasResolution(e.resolutionMode,this._width,this._height),this.setCanvasFillMode(e.fillMode,this._width,this._height),e.layers&&e.layerOrder){const s=new i_("application"),i={};for(const r in e.layers){const a=e.layers[r];a.id=parseInt(r,10),a.enabled=a.id!==ks,i[r]=new Kt(a)}for(let r=0,a=e.layerOrder.length;r<a;r++){const n=e.layerOrder[r],o=i[n.layer];o&&(n.transparent?s.pushTransparent(o):s.pushOpaque(o),s.subLayerEnabled[r]=n.enabled)}this.scene.layers=s}if(e.batchGroups){const s=this.batcher;if(s)for(let i=0,r=e.batchGroups.length;i<r;i++){const a=e.batchGroups[i];s.addGroup(a.name,a.dynamic,a.maxAabbSize,a.id,a.layers)}}e.i18nAssets&&(this.i18n.assets=e.i18nAssets),this._loadLibraries(e.libraries,t)}_loadLibraries(e,t){const s=e.length;let i=s;const r=/^https?:\/\//;if(s){const a=(n,o)=>{i--,n?t(n):i===0&&(this.onLibrariesLoaded(),t(null))};for(let n=0;n<s;++n){let o=e[n];!r.test(o.toLowerCase())&&this._scriptPrefix&&(o=ve.join(this._scriptPrefix,o)),this.loader.load(o,"script",a)}}else this.onLibrariesLoaded(),t(null)}_parseScenes(e){if(e)for(let t=0;t<e.length;t++)this.scenes.add(e[t].name,e[t].url)}_parseAssets(e){const t=[],s={},i={};for(let r=0;r<this.scriptsOrder.length;r++){const a=this.scriptsOrder[r];e[a]&&(s[a]=!0,t.push(e[a]))}if(this.enableBundles)for(const r in e)e[r].type==="bundle"&&(i[r]=!0,t.push(e[r]));for(const r in e)s[r]||i[r]||t.push(e[r]);for(let r=0;r<t.length;

11681r++){const a=t[r],n=new pe(a.name,a.type,a.file,a.data);if(n.id=parseInt(a.id,10),n.preload=a.preload?a.preload:!1,n.loaded=a.type==="script"&&a.data&&a.data.loadingType>0,n.tags.add(a.tags),a.i18n)for(const o in a.i18n)n.addLocalizedAssetId(o,a.i18n[o]);this.assets.add(n)}}start(){this.frame=0,this.fire("start",{timestamp:Gt(),target:this}),this._librariesLoaded||this.onLibrariesLoaded(),this.systems.fire("initialize",this.root),this.fire("initialize"),this.systems.fire("postInitialize",this.root),this.systems.fire("postPostInitialize",this.root),this.fire("postinitialize"),this.requestAnimationFrame()}requestAnimationFrame(){this.xr?.session?this.frameRequestId=this.xr.session.requestAnimationFrame(this.tick):this.frameRequestId=Ce.browser||Ce.worker?requestAnimationFrame(this.tick):null}inputUpdate(e){this.mouse&&this.mouse.update(),this.keyboard&&this.keyboard.update(),this.gamepads&&this.gamepads.update()}update(e){this.frame++,this.graphicsDevice.update(),this.stats.frame.scriptUpdateStart=Gt(),this.systems.fire(this._inTools?"toolsUpdate":"update",e),this.stats.frame.scriptUpdate=Gt()-this.stats.frame.scriptUpdateStart,this.stats.frame.animUpdateStart=Gt(),this.systems.fire("animationUpdate",e),this.stats.frame.animUpdate=Gt()-this.stats.frame.animUpdateStart,this.stats.frame.scriptPostUpdateStart=Gt(),this.systems.fire("postUpdate",e),this.stats.frame.scriptPostUpdate=Gt()-this.stats.frame.scriptPostUpdateStart,this.fire("update",e),this.inputUpdate(e)}render(){this.updateCanvasSize(),this.graphicsDevice.frameStart(),this.fire("prerender"),this.root.syncHierarchy(),this._batcher&&this._batcher.updateAll(),this.renderComposition(this.scene.layers),this.fire("postrender"),this.stats.frame.renderTime=Gt()-this.stats.frame.renderStart,this.graphicsDevice.frameEnd()}renderComposition(e){this.renderer.update(e),this.renderer.buildFrameGraph(this.frameGraph,e),this.frameGraph.render(this.graphicsDevice)}setCanvasFillMode(e,t,s){this._fillMode=e,this.resizeCanvas(t,s)}setCanvasResolution(e,t,s){this._resolutionMode=e,e===n_&&t===void 0&&(t=this.graphicsDevice.canvas.clientWidth,s=this.graphicsDevice.canvas.clientHeight),this.graphicsDevice.resizeCanvas(t,s)}isHidden(){return document.hidden}onVisibilityChange(){this.isHidden()?this._soundManager&&this._soundManager.suspend():this._soundManager&&this._soundManager.resume()}resizeCanvas(e,t){if(!this._allowResize||this.xr&&this.xr.session)return;const s=window.innerWidth,i=window.innerHeight;if(this._fillMode===by){const r=this.graphicsDevice.canvas.width/this.graphicsDevice.canvas.height,a=s/i;r>a?(e=s,t=e/r):(t=i,e=t*r)}else this._fillMode===PR&&(e=s,t=i);return this.graphicsDevice.canvas.style.width=`${e}px`,this.graphicsDevice.canvas.style.height=`${t}px`,this.updateCanvasSize(),{width:e,height:t}}updateCanvasSize(){if(!(!this._allowResize||this.xr?.active)&&this._resolutionMode===n_){const e=this.graphicsDevice.canvas;this.graphicsDevice.resizeCanvas(e.clientWidth,e.clientHeight)}}onLibrariesLoaded(){this._librariesLoaded=!0,this.systems.rigidbody&&this.systems.rigidbody.onLibraryLoaded()}applySceneSettings(e){let t;if(this.systems.rigidbody&&typeof Ammo<"u"){const[s,i,r]=e.physics.gravity;this.systems.rigidbody.gravity.set(s,i,r)}this.scene.applySettings(e),e.render.hasOwnProperty("skybox")&&(e.render.skybox?(t=this.assets.get(e.render.skybox),t?this.setSkybox(t):this.assets.once(`add:${e.render.skybox}`,this.setSkybox,this)):this.setSkybox(null))}setAreaLightLuts(e,t){e&&t&&Ha.set(this.graphicsDevice,e,t)}setSkybox(e){if(e!==this._skyboxAsset){const t=()=>{this.setSkybox(null)},s=()=>{this.scene.setSkybox(this._skyboxAsset?this._skyboxAsset.resources:null)};this._skyboxAsset&&(this.assets.off(`load:${this._skyboxAsset.id}`,s,this),this.assets.off(`remove:${this._skyboxAsset.id}`,t,this),this._skyboxAsset.off("change",s,this)),this._skyboxAsset=e,this._skyboxAsset&&(this.assets.on(`load:${this._skyboxAsset.id}`,s,this),this.assets.once(`remove:${this._skyboxAsset.id}`,t,this),this._skyboxAsset.on("change",s,this),this.scene.skyboxMip===0&&!this._skyboxAsset.loadFaces&&(this._skyboxAsset.loadFaces=!0),this.assets.load(this._skyboxAsset)),s()}}_firstBake(){this.lightmapper?.bake(null,this.scene.lightmapMode)}_firstBatch(){this.batcher?.generate()}_processTimestamp(e){return e}drawLine(e,t,s,i,r){this.scene.drawLine(e,t,s,i,r)}drawLines(e,t,s=!0,i=this.scene.defaultDrawLayer){this.scene.drawLines(e,t,s,i)}drawLineArrays(e,t,s=!0,i=this.scene.defaultDrawLayer){this.scene.drawLineArrays(e,t,s,i)}drawWireSphere(e,t,s=Q.WHITE,i=20,r=!0,a=this.scene.defaultDrawLayer){this.scene.immediate.drawWireSphere(e,t,s,i,r,a)}

11681drawWireAlignedBox(e,t,s=Q.WHITE,i=!0,r=this.scene.defaultDrawLayer,a){this.scene.immediate.drawWireAlignedBox(e,t,s,i,r,a)}drawMeshInstance(e,t=this.scene.defaultDrawLayer){this.scene.immediate.drawMesh(null,null,null,e,t)}drawMesh(e,t,s,i=this.scene.defaultDrawLayer){this.scene.immediate.drawMesh(t,s,e,null,i)}drawQuad(e,t,s=this.scene.defaultDrawLayer){this.scene.immediate.drawMesh(t,e,this.scene.immediate.getQuadMesh(),null,s)}drawTexture(e,t,s,i,r,a,n=this.scene.defaultDrawLayer,o=!0){if(o===!1&&!this.graphicsDevice.isWebGPU)return;const c=new Z;c.setTRS(new E(e,t,0),ae.IDENTITY,new E(s,-i,0)),a||(a=new ei,a.cull=Yt,a.setParameter("colorMap",r),a.shaderDesc=o?this.scene.immediate.getTextureShaderDesc(r.encoding):this.scene.immediate.getUnfilterableTextureShaderDesc(),a.update()),this.drawQuad(c,a,n)}drawDepthTexture(e,t,s,i,r=this.scene.defaultDrawLayer){const a=new ei;a.cull=Yt,a.shaderDesc=this.scene.immediate.getDepthTextureShaderDesc(),a.update(),this.drawTexture(e,t,s,i,null,a,r)}destroy(){if(this._inFrameUpdate){this._destroyRequested=!0;return}const e=this.graphicsDevice.canvas.id;this.fire("destroy",this),this.off("librariesloaded"),this._gsplatSortedEvt?.off(),this._gsplatSortedEvt=null,typeof document<"u"&&document.removeEventListener("visibilitychange",this._visibilityChangeHandler,!1),this._visibilityChangeHandler=null,this.root.destroy(),this.root=null,this.mouse&&(this.mouse.off(),this.mouse.detach(),this.mouse=null),this.keyboard&&(this.keyboard.off(),this.keyboard.detach(),this.keyboard=null),this.touch&&(this.touch.off(),this.touch.detach(),this.touch=null),this.elementInput&&(this.elementInput.detach(),this.elementInput=null),this.gamepads&&(this.gamepads.destroy(),this.gamepads=null),this.systems.destroy(),this.scene.layers&&this.scene.layers.destroy(),this.bundles.destroy(),this.bundles=null,this.i18n.destroy(),this.i18n=null,this.loader.getHandler("script")?.clearCache(),this.loader.destroy(),this.loader=null,this.systems=null,this.context=null,this.scripts.destroy(),this.scripts=null,this.scenes.destroy(),this.scenes=null,this.lightmapper?.destroy(),this.lightmapper=null,this._batcher&&(this._batcher.destroy(),this._batcher=null),this._entityIndex={},this.defaultLayerDepth.onDisable=null,this.defaultLayerDepth.onEnable=null,this.defaultLayerDepth=null,this.defaultLayerWorld=null,this.xr?.end(),this.xr?.destroy(),this.renderer.destroy(),this.renderer=null;const s=this.assets.list();for(let i=0;i<s.length;i++)s[i].unload(),s[i].off();this.assets.off(),this.scene.destroy(),this.scene=null,this.graphicsDevice.destroy(),this.graphicsDevice=null,this.off(),this._soundManager?.destroy(),this._soundManager=null,Ts._applications[e]=null,yi()===this&&$p(null),Ts.cancelTick(this)}static cancelTick(e){e.frameRequestId&&(cancelAnimationFrame(e.frameRequestId),e.frameRequestId=void 0)}getEntityFromIndex(e){return this._entityIndex[e]}_registerSceneImmediate(e){this.on("postrender",e.immediate.onPostRender,e.immediate),this._gsplatSortedEvt=e.on("gsplat:sorted",t=>{this.stats.frame.gsplatSort+=t})}}class TB{elementInput;keyboard;mouse;touch;gamepads;scriptPrefix;assetPrefix;scriptsOrder;soundManager;graphicsDevice;lightmapper;batchManager;xr;componentSystems=[];resourceHandlers=[]}const xl=new W_;class Pw{constructor(e,t,s){this.scene=e,this.light=t,this.store(),t.numCascades=1,this.scene.clusteredLightingEnabled&&!s.shadowsEnabled&&(t.castShadows=!1),t.type!==Te&&(t._node.getWorldTransform(),t.getBoundingSphere(xl),this.lightBounds=new Le,this.lightBounds.center.copy(xl.center),this.lightBounds.halfExtents.set(xl.radius,xl.radius,xl.radius))}store(){this.mask=this.light.mask,this.shadowUpdateMode=this.light.shadowUpdateMode,this.enabled=this.light.enabled,this.intensity=this.light.intensity,this.rotation=this.light._node.getLocalRotation().clone(),this.numCascades=this.light.numCascades,this.castShadows=this.light._castShadows}restore(){const e=this.light;e.mask=this.mask,e.shadowUpdateMode=this.shadowUpdateMode,e.enabled=this.enabled,e.intensity=this.intensity,e._node.setLocalRotation(this.rotation),e.numCascades=this.numCascades,e._castShadows=this.castShadows}startBake(){this.light.enabled=!0,this.light._destroyShadowMap(),this.light.beginFrame()}endBake(e){const t=this.light;t.enabled=!1,t.shadowMap&&(t.shadowMap.cached&&e.add(t,t.shadowMap),t.shadowMap=null)}}const $h=new j;class wB extends Pw{constructor(e,t){super(e.scene,t,e.lightingParams)}get numVirtualLights(){return this.light.type===Te?this.light.bakeNumSamples:1}prepareVirtualLight(e,t){const s=this.light;if(s._node.setLocalRotation(this.rotation),e>0){const a=s.bakeArea;Kc.circlePointDeterministic($h,e,t),$h.mulScalar(a*.5),s._node.rotateLocal($h.x,0,$h.y)}s._node.getWorldTransform();const i=2.2,r=Math.pow(this.intensity,i);s.intensity=Math.pow(r/t,1/i)}}const My=new E;class Ry extends Pw{constructor(e){const t=e.scene,s=new lt("AmbientLight");s.addComponent("light",{type:"directional",affectDynamic:!0,affectLightmapped:!1,bake:!0,bakeNumSamples:t.ambientBakeNumSamples,castShadows:!0,normalOffsetBias:.05,shadowBias:.2,shadowDistance:1,shadowResolution:2048,shadowType:Li,color:Q.WHITE,intensity:1,bakeDir:!1}),super(t,s.light.light,e.lightingParams)}get numVirtualLights(){return this.light.bakeNumSamples}prepareVirtualLight(e,t){Kc.spherePointDeterministic(My,e,t,0,this.scene.ambientBakeSpherePart),this.light._node.lookAt(My.mulScalar(-1)),this.light._node.rotateLocal(90,0,0);const s=2.2,i=2*Math.PI*this.scene.ambientBakeSpherePart,r=Math.pow(i,s);this.light.intensity=Math.pow(r/t,1/s)}}class Kh{constructor(e,t=null){this.node=e,this.component=e.render||e.model,t=t||this.component.meshInstances,this.store(

11681),this.meshInstances=t,this.bounds=null,this.renderTargets=[]}store(){this.castShadows=this.component.castShadows}restore(){this.component.castShadows=this.castShadows}}var CB=`
11682float normpdf3(in vec3 v, in float sigma) {
11683	return 0.39894 * exp(-0.5 * dot(v, v) / (sigma * sigma)) / sigma;
11684}
11685vec3 decodeRGBM(vec4 rgbm) {
11686	vec3 color = (8.0 * rgbm.a) * rgbm.rgb;
11687	return color * color;
11688}
11689float saturate(float x) {
11690	return clamp(x, 0.0, 1.0);
11691}
11692vec4 encodeRGBM(vec3 color) {
11693	vec4 encoded;
11694	encoded.rgb = pow(color.rgb, vec3(0.5));
11695	encoded.rgb *= 1.0 / 8.0;
11696	encoded.a = saturate( max( max( encoded.r, encoded.g ), max( encoded.b, 1.0 / 255.0 ) ) );
11697	encoded.a = ceil(encoded.a * 255.0) / 255.0;
11698	encoded.rgb /= encoded.a;
11699	return encoded;
11700}
11701vec3 decode(vec4 pixel) {
11702	#if HDR
11703		return pixel.rgb;
11704	#else
11705		return decodeRGBM(pixel);
11706	#endif
11707}
11708bool isUsed(vec4 pixel) {
11709	#if HDR
11710		return any(greaterThan(pixel.rgb, vec3(0.0)));
11711	#else
11712		return pixel.a > 0.0;
11713	#endif
11714}
11715varying vec2 vUv0;
11716uniform sampler2D source;
11717uniform vec2 pixelOffset;
11718uniform vec2 sigmas;
11719uniform float bZnorm;
11720uniform float kernel[{MSIZE}];
11721void main(void) {
11722	
11723	vec4 pixel = texture2DLod(source, vUv0, 0.0);
11724	if (!isUsed(pixel)) {
11725		gl_FragColor = pixel;
11726		return ;
11727	}
11728	float sigma = sigmas.x;
11729	float bSigma = sigmas.y;
11730	vec3 pixelHdr = decode(pixel);
11731	vec3 accumulatedHdr = vec3(0.0);
11732	float accumulatedFactor = 0.000001;
11733	const int kSize = ({MSIZE} - 1) / 2;
11734	for (int i = -kSize; i <= kSize; ++i) {
11735		for (int j = -kSize; j <= kSize; ++j) {
11736			
11737			vec2 coord = vUv0 + vec2(float(i), float(j)) * pixelOffset;
11738			vec4 pix = texture2DLod(source, coord, 0.0);
11739			if (isUsed(pix)) {
11740				vec3 hdr = decode(pix);
11741				float factor = kernel[kSize + j] * kernel[kSize + i];
11742				factor *= normpdf3(hdr - pixelHdr, bSigma) * bZnorm;
11743				accumulatedHdr += factor * hdr;
11744				accumulatedFactor += factor;
11745			}
11746		}
11747	}
11748	vec3 finalHDR = accumulatedHdr / accumulatedFactor;
11749	#if HDR
11750		gl_FragColor = vec4(finalHDR, 1.0);
11751	#else
11752		gl_FragColor = encodeRGBM(finalHDR);
11753	#endif
11754}
11755`,EB=`
11756varying vec2 vUv0;
11757uniform sampler2D source;
11758uniform vec2 pixelOffset;
11759bool isUsed(vec4 pixel) {
11760	#if HDR
11761		return any(greaterThan(pixel.rgb, vec3(0.0)));
11762	#else
11763		return pixel.a > 0.0;
11764	#endif
11765}
11766void main(void) {
11767	vec4 c = texture2DLod(source, vUv0, 0.0);
11768	c = isUsed(c) ? c : texture2DLod(source, vUv0 - pixelOffset, 0.0);
11769	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(0, -pixelOffset.y), 0.0);
11770	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(pixelOffset.x, -pixelOffset.y), 0.0);
11771	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(-pixelOffset.x, 0), 0.0);
11772	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(pixelOffset.x, 0), 0.0);
11773	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(-pixelOffset.x, pixelOffset.y), 0.0);
11774	c = isUsed(c) ? c : texture2DLod(source, vUv0 + vec2(0, pixelOffset.y), 0.0);
11775	c = isUsed(c) ? c : texture2DLod(source, vUv0 + pixelOffset, 0.0);
11776	gl_FragColor = c;
11777}
11778`,bB=`
11779fn normpdf3(v: vec3f, sigma: f32) -> f32 {
11780	return 0.39894 * exp(-0.5 * dot(v, v) / (sigma * sigma)) / sigma;
11781}
11782fn decodeRGBM(rgbm: vec4f) -> vec3f {
11783	let color = (8.0 * rgbm.a) * rgbm.rgb;
11784	return color * color;
11785}
11786fn saturate(x: f32) -> f32 {
11787	return clamp(x, 0.0, 1.0);
11788}
11789fn encodeRGBM(color: vec3f) -> vec4f {
11790	var encoded: vec4f;
11791	let rgb_processed = pow(color.rgb, vec3f(0.5)) * (1.0 / 8.0);
11792	encoded = vec4f(rgb_processed, 0.0);
11793	let max_g_b = max( encoded.g, max( encoded.b, 1.0 / 255.0 ) );
11794	let max_rgb = max( encoded.r, max_g_b );
11795	encoded.a = clamp(max_rgb, 0.0, 1.0);
11796	encoded.a = ceil(encoded.a * 255.0) / 255.0;
11797	encoded = vec4f(encoded.rgb / encoded.a, encoded.a);
11798	return encoded;
11799}
11800fn decode(pixel: vec4f) -> vec3f {
11801	#if HDR
11802		return pixel.rgb;
11803	#else
11804		return decodeRGBM(pixel);
11805	#endif
11806}
11807fn isUsed(pixel: vec4f) -> bool {
11808	#if HDR
11809		return any(pixel.rgb > vec3f(0.0));
11810	#else
11811		return pixel.a > 0.0;
11812	#endif
11813}
11814varying vUv0: vec2f;
11815var source: texture_2d<f32>;
11816var sourceSampler: sampler;
11817uniform kernel: array<f32, {MSIZE}>;
11818uniform pixelOffset: vec2f;
11819uniform sigmas: vec2f;
11820uniform bZnorm: f32;
11821@fragment
11822fn fragmentMain(input: FragmentInput) -> FragmentOutput {
11823	var output: FragmentOutput;
11824	let pixel = textureSampleLevel(source, sourceSampler, input.vUv0, 0.0);
11825	if (!isUsed(pixel)) {
11826		output.color = pixel;
11827		return output;
11828	}
11829	let sigma = uniform.sigmas.x;
11830	let bSigma = uniform.sigmas.y;
11831	let pixelHdr = decode(pixel);
11832	var accumulatedHdr = vec3f(0.0);
11833	var accumulatedFactor = 0.000001;
11834	const kSize = ({MSIZE} - 1) / 2;
11835	for (var i: i32 = -kSize; i <= kSize; i = i + 1) {
11836		for (var j: i32 = -kSize; j <= kSize; j = j + 1) {
11837			let coord = input.vUv0 + vec2f(f32(i), f32(j)) * uniform.pixelOffset;
11838			let pix = textureSampleLevel(source, sourceSampler, coord, 0.0);
11839			if (isUsed(pix)) {
11840				let hdr = decode(pix);
11841				var factor = uniform.kernel[u32(kSize + j)].element * uniform.kernel[u32(kSize + i)].element;
11842				factor = factor * normpdf3(hdr - pixelHdr, bSigma) * uniform.bZnorm;
11843				accumulatedHdr = accumulatedHdr + factor * hdr;
11844				accumulatedFactor = accumulatedFactor + factor;
11845			}
11846		}
11847	}
11848	let finalHDR = accumulatedHdr / accumulatedFactor;
11849	#if HDR
11850		output.color = vec4f(finalHDR, 1.0);
11851	#else
11852		output.color = encodeRGBM(finalHDR);
11853	#endif
11854	return output;
11855}
11856`,AB=`
11857varying vUv0: vec2f;
11858var source: texture_2d<f32>;
11859var sourceSampler: sampler;
11860uniform pixelOffset: vec2f;
11861fn isUsed(pixel: vec4f) -> bool {
11862	#ifdef HDR
11863		return any(pixel.rgb > vec3f(0.0));
11864	#else
11865		return pixel.a > 0.0;
11866	#endif
11867}
11868@fragment
11869fn fragmentMain(input: FragmentInput) -> FragmentOutput {
11870	var c: vec4f = textureSampleLevel(source, sourceSampler, input.vUv0, 0.0);
11871	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 - uniform.pixelOffset, 0.0), c, isUsed(c));
11872	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(0.0, -uniform.pixelOffset.y), 0.0), c, isUsed(c));
11873	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(uniform.pixelOffset.x, -uniform.pixelOffset.y), 0.0), c, isUsed(c));
11874	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(-uniform.pixelOffset.x, 0.0), 0.0), c, isUsed(c));
11875	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(uniform.pixelOffset.x, 0.0), 0.0), c, isUsed(c));
11876	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(-uniform.pixelOffset.x, uniform.pixelOffset.y), 0.0), c, isUsed(c));
11877	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + vec2f(0.0, uniform.pixelOffset.y), 0.0), c, isUsed(c));
11878	c = select(textureSampleLevel(source, sourceSampler, input.vUv0 + uniform.pixelOffset, 0.0), c, isUsed(c));
11879	var output: FragmentOutput;
11880	output.color = c;
11881	return output;
11882}
11883`;

11883const Ly=15,PB={glslBilateralDeNoisePS:CB,glslDilatePS:EB},IB={wgslBilateralDeNoisePS:bB,wgslDilatePS:AB};class DB{shaderDilate=[];shaderDenoise=[];constructor(e){this.device=e,be.get(this.device,ze).add(PB),be.get(this.device,de).add(IB),this.constantTexSource=e.scope.resolve("source"),this.constantPixelOffset=e.scope.resolve("pixelOffset"),this.pixelOffset=new Float32Array(2),this.sigmas=null,this.constantSigmas=null,this.kernel=null}setSourceTexture(e){this.constantTexSource.setValue(e)}prepare(e,t){this.pixelOffset[0]=1/e,this.pixelOffset[1]=1/t,this.constantPixelOffset.setValue(this.pixelOffset)}prepareDenoise(e,t,s){const i=s?0:1;if(!this.shaderDenoise[i]){const r=new Map;r.set("{MSIZE}",15),s&&r.set("HDR",""),this.shaderDenoise[i]=Qt.createShader(this.device,{uniqueName:`lmBilateralDeNoise-${s?"hdr":"rgbm"}`,attributes:{vertex_position:Ie},vertexGLSL:be.get(this.device,ze).get("fullscreenQuadVS"),vertexWGSL:be.get(this.device,de).get("fullscreenQuadVS"),fragmentGLSL:be.get(this.device,ze).get("glslBilateralDeNoisePS"),fragmentWGSL:be.get(this.device,de).get("wgslBilateralDeNoisePS"),fragmentDefines:r}),this.sigmas=new Float32Array(2),this.constantSigmas=this.device.scope.resolve("sigmas"),this.constantKernel=this.device.scope.resolve("kernel[0]"),this.bZnorm=this.device.scope.resolve("bZnorm")}this.sigmas[0]=e,this.sigmas[1]=t,this.constantSigmas.setValue(this.sigmas),this.evaluateDenoiseUniforms(e,t)}getDenoise(e){const t=e?0:1;return this.shaderDenoise[t]}getDilate(e,t){const s=t?0:1;if(!this.shaderDilate[s]){const i=t?`#define HDR
11884`:"";this.shaderDilate[s]=Qt.createShader(e,{uniqueName:`lmDilate-${t?"hdr":"rgbm"}`,attributes:{vertex_position:Ie},vertexGLSL:be.get(this.device,ze).get("fullscreenQuadVS"),vertexWGSL:be.get(this.device,de).get("fullscreenQuadVS"),fragmentGLSL:i+be.get(this.device,ze).get("glslDilatePS"),fragmentWGSL:i+be.get(this.device,de).get("wgslDilatePS")})}return this.shaderDilate[s]}evaluateDenoiseUniforms(e,t){function s(n,o){return .39894*Math.exp(-.5*n*n/(o*o))/o}this.kernel=this.kernel||new Float32Array(Ly);const i=this.kernel,r=Math.floor((Ly-1)/2);for(let n=0;n<=r;++n){const o=s(n,e);i[r+n]=o,i[r-n]=o}this.constantKernel.setValue(this.kernel);const a=1/s(0,t);this.bZnorm.setValue(a)}}class MB extends Pr{viewBindGroups=[];constructor(e,t,s,i,r,a){super(e),this.renderer=t,this.camera=s,this.worldClusters=i,this.receivers=r,this.lightArray=a}destroy(){this.viewBindGroups.forEach(e=>{e.defaultUniformBuffer.destroy(),e.destroy()}),this.viewBindGroups.length=0}execute(){const e=this.device,{renderer:t,camera:s,receivers:i,renderTarget:r,worldClusters:a,lightArray:n}=this;e.supportsUniformBuffers&&!t.viewUniformFormat&&t.initViewBindGroupFormat(t.scene.clusteredLightingEnabled),t.renderForwardLayer(s,r,null,void 0,Ko,this.viewBindGroups,{meshInstances:i,splitLights:n,lightClusters:a})}}const RB=2048,LB=0,FB=1,Zh=new E;class OB{constructor(e,t,s,i,r){this.device=e,this.root=t,this.scene=s,this.renderer=i,this.assets=r,this.shadowMapCache=i.shadowMapCache,this._tempSet=new Set,this._initCalled=!1,this.passMaterials=[],this.ambientAOMaterial=null,this.fog="",this.ambientLight=new Q,this.renderTargets=new Map,this.stats={renderPasses:0,lightmapCount:0,totalRenderTime:0,forwardTime:0,fboTime:0,shadowMapTime:0,compileTime:0,shadersLinked:0}}destroy(){qr.decRef(this.blackTex),this.blackTex=null,qr.destroy(),this.device=null,this.root=null,this.scene=null,this.renderer=null,this.assets=null,this.camera?.destroy(),this.camera=null}initBake(e){if(this.bakeHDR=this.scene.lightmapPixelFormat!==Re,!this._initCalled){this._initCalled=!0,this.lightmapFilters=new DB(e),this.constantBakeDir=e.scope.resolve("bakeDir"),this.materials=[],this.blackTex=new ce(this.device,{width:4,height:4,format:Re,type:wr,name:"lightmapBlack"}),qr.incRef(this.blackTex);const t=new cs(this.device);t.clearColor.set(0,0,0,0),t.clearColorBuffer=!0,t.clearDepthBuffer=!1,t.clearStencilBuffer=!1,t.frustumCulling=!1,t.projection=Sn,t.aspectRatio=1,t.node=new He,this.camera=t,this.camera.shaderParams.gammaCorrection=qc,this.camera.shaderParams.toneMapping=bf}if(this.scene.clusteredLightingEnabled){const t=new QT(e.supportsAreaLights,e.maxTextureSize,()=>{});this.lightingParams=t;const s=this.scene.lighting;t.shadowsEnabled=s.shadowsEnabled,t.shadowAtlasResolution=s.shadowAtlasResolution,t.co

11884okiesEnabled=s.cookiesEnabled,t.cookieAtlasResolution=s.cookieAtlasResolution,t.areaLightsEnabled=s.areaLightsEnabled,t.cells=new E(3,3,3),t.maxLightsPerCell=4,this.worldClusters=new t_(e),this.worldClusters.name="ClusterLightmapper",this.shadowLocalClusteredPass=new qT(e,this.renderer.shadowRenderer,this.renderer._shadowRendererLocal)}}finishBake(e){this.materials=[];function t(s){qr.decRef(s.colorBuffer),s.destroy()}this.renderTargets.forEach(s=>{t(s)}),this.renderTargets.clear(),e.forEach(s=>{s.renderTargets.forEach(i=>{t(i)}),s.renderTargets.length=0}),this.ambientAOMaterial=null,this.worldClusters&&(this.worldClusters.destroy(),this.worldClusters=null)}createMaterialForPass(e,t,s){const i=new Es;return i.name=`lmMaterial-pass:${t}-ambient:${s}`,i.setDefine("UV1LAYOUT",""),i.setDefine("LIT_LIGHTMAP_BAKING",""),t===LB?(i.setDefine("LIT_LIGHTMAP_BAKING_COLOR",""),s?i.setDefine("LIT_LIGHTMAP_BAKING_ADD_AMBIENT",""):i.ambient=new Q(0,0,0),this.bakeHDR||i.setDefine("LIGHTMAP_RGBM",""),i.lightMap=this.blackTex):(i.setDefine("LIT_LIGHTMAP_BAKING_DIR",""),i.setDefine("STD_LIGHTMAP_DIR","")),i.cull=Yt,i.forceUv1=!0,i.update(),i}createMaterials(e,t,s){for(let i=0;i<s;i++)this.passMaterials[i]||(this.passMaterials[i]=this.createMaterialForPass(t,i,!1));this.ambientAOMaterial||(this.ambientAOMaterial=this.createMaterialForPass(t,0,!0),this.ambientAOMaterial.onUpdateShader=function(i){return i.litOptions.lightMapWithoutAmbient=!0,i.litOptions.separateAmbient=!0,i})}createTexture(e,t){return new ce(this.device,{width:e,height:e,format:this.scene.lightmapPixelFormat,mipmaps:!1,type:this.bakeHDR?Qs:wr,minFilter:Fe,magFilter:Fe,addressU:ue,addressV:ue,name:t})}collectModels(e,t,s){if(!e.enabled)return;let i;if(e.model?.model&&e.model?.enabled&&(s&&s.push(new Kh(e)),e.model.lightmapped&&t&&(i=e.model.model.meshInstances)),e.render?.enabled&&(s&&s.push(new Kh(e)),e.render.lightmapped&&t&&(i=e.render.meshInstances)),i){let r=!0;for(let a=0;a<i.length;a++)if(!i[a].mesh.vertexBuffer.format.hasUv1){r=!1;break}if(r){const a=[];for(let n=0;n<i.length;n++){const o=i[n].mesh;this._tempSet.has(o)?t.push(new Kh(e,[i[n]])):a.push(i[n]),this._tempSet.add(o)}this._tempSet.clear(),a.length>0&&t.push(new Kh(e,a))}}for(let r=0;r<e._children.length;r++)this.collectModels(e._children[r],t,s)}prepareShadowCasters(e){const t=[];for(let s=0;s<e.length;s++){const i=e[s].component;if(i.castShadows=i.castShadowsLightmap,i.castShadowsLightmap){const r=e[s].meshInstances;for(let a=0;a<r.length;a++)r[a].visibleThisFrame=!0,t.push(r[a])}}return t}updateTransforms(e){for(let t=0;t<e.length;t++){const s=e[t].meshInstances;for(let i=0;i<s.length;i++)s[i].node.getWorldTransform()}}calculateLightmapSize(e){let t;const s=this.scene.lightmapSizeMultiplier||16,i=Zh;let r,a;e.model?(a=e.model.lightmapSizeMultiplier,e.model.asset?(t=this.assets.get(e.model.asset).data,t.area&&(r=t.area)):e.model._area&&(t=e.model,t._area&&(r=t._area))):e.render&&(a=e.render.lightmapSizeMultiplier,e.render.type!=="asset"&&e.render._area&&(t=e.render,t._area&&(r=t._area)));const n={x:1,y:1,z:1,uv:1};r&&(n.x=r.x,n.y=r.y,n.z=r.z,n.uv=r.uv);const o=a||1;n.x*=o,n.y*=o,n.z*=o;const c=e.render||e.model,h=this.computeNodeBounds(c.meshInstances);i.copy(h.halfExtents);let d=n.x*i.y*i.z+n.y*i.x*i.z+n.z*i.x*i.y;return d/=n.uv,d=Math.sqrt(d),Math.min(H.nextPowerOfTwo(d*s),this.scene.lightmapMaxResolution||RB)}setLightmapping(e,t,s,i){for(let r=0;r<e.length;r++){const a=e[r],n=a.meshInstances;for(let o=0;o<n.length;o++){const c=n[o];if(c.setLightmapped(t),t){i&&(c._shaderDefs|=i),c.mask=ur;for(let h=0;h<s;h++){const d=a.renderTargets[h].colorBuffer;d.minFilter=It,d.magFilter=It,c.setRealtimeLightmap(Ne.lightmapParamNames[h],d)}}}}}bake(e,t=bd){const s=this.device,i=Gt();this.scene._updateSkyMesh(),this.stats.renderPasses=0,this.stats.shadowMapTime=0,this.stats.forwardTime=0;const r=s._shaderStats.linked,a=s._renderTargetCreationTime,n=s._shaderStats.compileTime,o=[],c=[];if(e){for(let d=0;d<e.length;d++)this.collectModels(e[d],o,null);this.collectModels(this.root,null,c)}else this.collectModels(this.root,o,c);if(o.length>0){this.renderer.shadowRenderer.frameUpdate();const d=t===bd?2:1;this.setLightmapping(o,!1,d),this.initBake(s),this.bakeInternal(d,o,c);let u=Km;t===bd&&(u|=MT),this.scene.ambientBake&&(u|=RT),this.setLightmapping(o,!0,d,u),this.finishBake(o)}const h=Gt();this.stats.totalRenderTime=h-i,this.stats.shadersLinked=s._shaderStats.linked-r,this.stats.compileTime=s._shaderStats.compileTime-n,this.stats.fboTime=s._renderTargetCreationTime-a,this.stats.lightmapCount=o.length}allocateTextures(e,t){for(let s=0;s<e.length;s++){const i=e[s],r=this.calculateLightmapSize(i.node);for(let a=0;a<t;a++){const n=this.createTexture(r,`lightmapper_lightmap_${s}`);qr.incRef(n),i.renderTargets[a]=new St({colorBuffer:n,depth:!1}

11884)}if(!this.renderTargets.has(r)){const a=this.createTexture(r,`lightmapper_temp_lightmap_${r}`);qr.incRef(a),this.renderTargets.set(r,new St({colorBuffer:a,depth:!1}))}}}prepareLightsToBake(e,t){if(this.scene.ambientBake){const i=new Ry(this);t.push(i)}const s=this.renderer.lights;for(let i=0;i<s.length;i++){const r=s[i],a=new wB(this,r);e.push(a),r.enabled&&(r.mask&fr)!==0&&(r.mask=fr|ur|Js,r.shadowUpdateMode=r.type===Te?LT:ea,t.push(a))}t.sort()}restoreLights(e){for(let t=0;t<e.length;t++)e[t].restore()}setupScene(){this.ambientLight.copy(this.scene.ambientLight),this.scene.ambientBake||this.scene.ambientLight.set(0,0,0),this.renderer.setSceneConstants(),this.device.scope.resolve("ambientBakeOcclusionContrast").setValue(this.scene.ambientBakeOcclusionContrast),this.device.scope.resolve("ambientBakeOcclusionBrightness").setValue(this.scene.ambientBakeOcclusionBrightness)}restoreScene(){this.scene.ambientLight.copy(this.ambientLight)}computeNodeBounds(e){const t=new Le;if(e.length>0){t.copy(e[0].aabb);for(let s=1;s<e.length;s++)t.add(e[s].aabb)}return t}computeNodesBounds(e){for(let t=0;t<e.length;t++){const s=e[t].meshInstances;e[t].bounds=this.computeNodeBounds(s)}}computeBounds(e){const t=new Le;for(let s=0;s<e.length;s++){t.copy(e[0].aabb);for(let i=1;i<e.length;i++)t.add(e[i].aabb)}return t}backupMaterials(e){for(let t=0;t<e.length;t++)this.materials[t]=e[t].material}restoreMaterials(e){for(let t=0;t<e.length;t++)e[t].material=this.materials[t]}lightCameraPrepare(e,t){const s=t.light;let i;return s.type===nt&&(i=s.getRenderData(null,0).shadowCamera,i._node.setPosition(s._node.getPosition()),i._node.setRotation(s._node.getRotation()),i._node.rotateLocal(-90,0,0),i.projection=mi,i.nearClip=s.attenuationEnd/1e3,i.farClip=s.attenuationEnd,i.aspectRatio=1,i.fov=s._outerConeAngle*2,this.renderer.updateCameraFrustum(i)),i}lightCameraPrepareAndCull(e,t,s,i){const r=e.light;let a=!0;if(r.type===Te){Zh.copy(i.center),Zh.y+=i.halfExtents.y,this.camera.node.setPosition(Zh),this.camera.node.setEulerAngles(-90,0,0),this.camera.nearClip=0,this.camera.farClip=i.halfExtents.y*2;const n=Math.max(i.halfExtents.x,i.halfExtents.z);this.camera.orthoHeight=n}else e.lightBounds.intersects(t.bounds)||(a=!1);if(r.type===nt){let n=!1;const o=t.meshInstances;for(let c=0;c<o.length;c++)if(o[c]._isVisible(s)){n=!0;break}n||(a=!1)}return a}setupLightArray(e,t){e[Te].length=0,e[ot].length=0,e[nt].length=0,e[t.type][0]=t,t.visibleThisFrame=!0}renderShadowMap(e,t,s,i){const r=i.light,a=this.scene.clusteredLightingEnabled,n=r.castShadows&&(!a||this.scene.lighting.shadowsEnabled);if(!t&&n)if(!r.shadowMap&&!a&&(r.shadowMap=this.shadowMapCache.get(this.device,r)),r.type===Te)this.renderer._shadowRendererDirectional.cull(r,e,this.camera,s),this.renderer._shadowRendererDirectional.getLightRenderPass(r,this.camera)?.render();else if(this.renderer._shadowRendererLocal.cull(r,e,s),a)this.shadowLocalClusteredPass.update([r]),this.shadowLocalClusteredPass.enabled&&this.shadowLocalClusteredPass.render();else{const o=r.numShadowFaces,c=r._type===nt;for(let h=0;h<o;h++)new YT(this.device,this.renderer.shadowRenderer,r,h,c).render()}return!0}postprocessTextures(e,t,s){const r=this.lightmapFilters.getDilate(e,this.bakeHDR);let a;const n=this.scene.lightmapFilterEnabled;n&&(this.lightmapFilters.prepareDenoise(this.scene.lightmapFilterRange,this.scene.lightmapFilterSmoothness,this.bakeHDR),a=this.lightmapFilters.getDenoise(this.bakeHDR)),e.setBlendState(xt.NOBLEND),e.setDepthState(ds.NODEPTH),e.setStencilState(null,null);for(let o=0;o<t.length;o++){const c=t[o];for(let h=0;h<s;h++){const d=c.renderTargets[h],u=d.colorBuffer,f=this.renderTargets.get(u.width),p=f.colorBuffer;this.lightmapFilters.prepare(u.width,u.height);for(let m=0;m<1;m++)this.lightmapFilters.setSourceTexture(u),cn(e,f,n&&h===0&&m===0?a:r),this.lightmapFilters.setSourceTexture(p),cn(e,d,r)}}}bakeInternal(e,t,s){const i=this.scene,r=i.layers,a=this.device,n=i.clusteredLightingEnabled;this.createMaterials(a,i,e),this.setupScene(),r._update(),this.computeNodesBounds(t),this.allocateTextures(t,e),this.renderer.collectLights(r);const o=[],c=[];this.prepareLightsToBake(o,c),this.updateTransforms(s);const h=this.prepareShadowCasters(s);this.renderer.updateCpuSkinMatrices(h),this.renderer.gpuUpdate(h);const d=this.computeBounds(h);let u,f,p,m;

11884for(u=0;u<t.length;u++)for(p=t[u].meshInstances,f=0;f<p.length;f++)m=p[f],m.setLightmapped(!1),m.mask=fr,m.setRealtimeLightmap(Ne.lightmapParamNames[0],this.blackTex),m.setRealtimeLightmap(Ne.lightmapParamNames[1],this.blackTex);for(f=0;f<c.length;f++)c[f].light.enabled=!1;const _=[[],[],[]];let g,v,x=!1;for(u=0;u<c.length;u++){const y=c[u],S=y instanceof Ry,T=y.light.type===Te;let w=y.numVirtualLights;e>1&&w>1&&y.light.bakeDir&&(w=1);for(let C=0;C<w;C++){w>1&&y.prepareVirtualLight(C,w),y.startBake();let b=!1;const I=this.lightCameraPrepare(a,y);for(v=0;v<t.length;v++){const P=t[v];if(p=P.meshInstances,!this.lightCameraPrepareAndCull(y,P,I,d))continue;this.setupLightArray(_,y.light);const O=T?[]:[y.light];for(n&&this.renderer.lightTextureAtlas.update(O,this.lightingParams),b=this.renderShadowMap(r,b,h,y),n&&this.worldClusters.update(O,this.lightingParams),this.backupMaterials(p),g=0;g<e&&!(g>0&&C>0||S&&g>0);g++){const D=P.renderTargets[g],N=P.renderTargets[g].colorBuffer.width,k=this.renderTargets.get(N),A=k.colorBuffer;g===0?x=i.updateShaders:x&&(i.updateShaders=!0);let M=this.passMaterials[g];for(S&&C+1===w&&g===0&&(M=this.ambientAOMaterial),f=0;f<p.length;f++)p[f].material=M;this.renderer.updateShaders(p),g===FB&&this.constantBakeDir.setValue(y.light.bakeDir?1:0);const R=new MB(a,this.renderer,this.camera,n?this.worldClusters:null,p,_);for(R.init(k),R.colorOps.clear=!0,R.colorOps.clearValue.copy(this.camera.clearColor),R.render(),R.destroy(),P.renderTargets[g]=k,this.renderTargets.set(N,D),f=0;f<p.length;f++)m=p[f],m.setRealtimeLightmap(Ne.lightmapParamNames[g],A),m._shaderDefs|=Km}this.restoreMaterials(p)}y.endBake(this.shadowMapCache)}}for(this.postprocessTextures(a,t,e),v=0;v<s.length;v++)s[v].restore();this.restoreLights(o),this.restoreScene(),n||this.shadowMapCache.clear()}}class ye extends ge{static order=0;system;entity;constructor(e,t){super(),this.system=e,this.entity=t,this.system.schema&&!this._accessorsBuilt&&this.buildAccessors(this.system.schema),this.on("set",function(s,i,r){this.fire(`set_${s}`,s,i,r)}),this.on("set_enabled",this.onSetEnabled,this)}static _buildAccessors(e,t){t.forEach(s=>{const i=typeof s=="object"?s.name:s;Object.defineProperty(e,i,{get:function(){return this.data[i]},set:function(r){const a=this.data,n=a[i];a[i]=r,this.fire("set",i,n,r)},configurable:!0})}),e._accessorsBuilt=!0}buildAccessors(e){ye._buildAccessors(this,e)}onSetEnabled(e,t,s){t!==s&&this.entity.enabled&&(s?this.onEnable():this.onDisable())}onEnable(){}onDisable(){}onPostStateChange(){}get data(){const e=this.system.store[this.entity.guid];return e?e.data:null}set enabled(e){}get enabled(){return!0}}class Tt extends ge{id;constructor(e){super(),this.app=e,this.store={},this.schema=[]}addComponent(e,t={}){const s=new this.ComponentType(this,e),i=new this.DataType;return this.store[e.guid]={entity:e,data:i},e[this.id]=s,e.c[this.id]=s,this.initializeComponentData(s,t,[]),this.fire("add",e,s),s}removeComponent(e){const t=this.id,s=this.store[e.guid],i=e.c[t];i.fire("beforeremove"),this.fire("beforeremove",e,i),delete this.store[e.guid],e[t]=void 0,delete e.c[t],this.fire("remove",e,s.data)}cloneComponent(e,t){const s=this.store[e.guid];return this.addComponent(t,s.data)}initializeComponentData(e,t={},s){for(let i=0,r=s.length;i<r;i++){const a=s[i];let n,o;typeof a=="object"?(n=a.name,o=a.type):(n=a,o=void 0);let c=t[n];c!==void 0?(o!==void 0&&(c=BB(c,o)),e[n]=c):e[n]=e.data[n]}e.enabled&&e.entity.enabled&&e.onEnable()}getPropertiesOfType(e){const t=[];return(this.schema||[]).forEach(i=>{i&&typeof i=="object"&&i.type===e&&t.push(i)}),t}destroy(){this.off()}}function BB(l,e){if(!l)return l;switch(e){case"rgb":return l instanceof Q?l.clone():new Q(l[0],l[1],l[2]);case"rgba":return l instanceof Q?l.clone():new Q(l[0],l[1],l[2],l[3]);case"vec2":return l instanceof j?l.clone():new j(l[0],l[1]);case"vec3":return l instanceof E?l.clone():new E(l[0],l[1],l[2]);case"vec4":return l instanceof ie?l.clone():new ie(l[0],l[1],l[2],l[3]);case"boolean":case"number":case"string":return l;case"entity":return l;default:throw new Error(`Could not convert unhandled type: ${e}`)}}const Iw=0,o_=1,l_=2;class NB{constructor(){this._left=1/0,this._right=-1/0,this._len=0,this._recip=0,this._p0=0,this._p1=0,this._t=0,this._hermite={valid:!1,p0:0,m0:0,p1:0,m1:0}}update(e,t){if(e<this._left||e>=this._right){const s=t.length;if(!s)this._left=-1/0,this._right=1/0,this._len=0,this._recip=0,this._p0=this._p1=0;else if(e<t[0])this._left=-1/0,this._right=t[0],this._len=0,this._recip=0,this._p0=this._p1=0;else if(e>=t[s-1])this._left=t[s-1],this._right=1/0,this._len=0,this._recip=0,this._p0=this._p1=s-1;else{const i=this._findKey(e,t);this._left=t[i],this._right=t[i+1],this._len=this._right-this._left;const r=1/this._len;this._recip=isFinite(r)?r:0,this._p0=i,this._p1=i+1}}this._t=this._recip===0?0:(e-this._left)*this._recip,this._hermite.valid=!1}_findKey(e,t){let s=0;for(;e>=t[s+1];)s++;return s}eval(e,t,s){const i=s._data,r=s._components,a=this._p0*r;if(t===Iw)for(let n=0;n<r;

11884++n)e[n]=i[a+n];else{const n=this._t,o=this._p1*r;switch(t){case o_:for(let c=0;c<r;++c)e[c]=H.lerp(i[a+c],i[o+c],n);break;case l_:{const c=this._hermite;if(!c.valid){const p=n*n,m=n+n,_=1-n,g=_*_;c.valid=!0,c.p0=(1+m)*g,c.m0=n*g,c.p1=p*(3-m),c.m1=p*(n-1)}const h=(this._p0*3+1)*r,d=(this._p0*3+2)*r,u=(this._p1*3+1)*r,f=(this._p1*3+0)*r;for(let p=0;p<r;++p)e[p]=c.p0*i[h+p]+c.m0*i[d+p]*this._len+c.p1*i[u+p]+c.m1*i[f+p]*this._len;break}}}}}class Fy{constructor(e){this._name=`${e.name}Snapshot`,this._time=-1,this._cache=[],this._results=[];for(let i=0;i<e._inputs.length;++i)this._cache[i]=new NB;const t=e._curves,s=e._outputs;for(let i=0;i<t.length;++i){const r=t[i],a=s[r._output],n=[];for(let o=0;o<a._components;++o)n[o]=0;this._results[i]=n}}}class wc{static eventFrame={start:0,end:0,residual:0};constructor(e,t,s,i,r,a){this._name=e.name,this._track=e,this._snapshot=new Fy(e),this._playing=i,this._time=t,this._speed=s,this._loop=r,this._blendWeight=1,this._blendOrder=0,this._eventHandler=a,this.alignCursorToCurrentTime()}set name(e){this._name=e}get name(){return this._name}set track(e){this._track=e,this._snapshot=new Fy(e)}get track(){return this._track}get snapshot(){return this._snapshot}set time(e){this._time=e,this.alignCursorToCurrentTime()}get time(){return this._time}set speed(e){const t=Math.sign(e)!==Math.sign(this._speed);this._speed=e,t&&this.alignCursorToCurrentTime()}get speed(){return this._speed}set loop(e){this._loop=e}get loop(){return this._loop}set blendWeight(e){this._blendWeight=e}get blendWeight(){return this._blendWeight}set blendOrder(e){this._blendOrder=e}get blendOrder(){return this._blendOrder}set eventCursor(e){this._eventCursor=e}get eventCursor(){return this._eventCursor}get eventCursorEnd(){return this.isReverse?0:this._track.events.length-1}get nextEvent(){return this._track.events[this._eventCursor]}get isReverse(){return this._speed<0}nextEventAheadOfTime(e){return this.nextEvent?this.isReverse?this.nextEvent.time<=e:this.nextEvent.time>=e:!1}nextEventBehindTime(e){return this.nextEvent?e===this.track.duration?this.isReverse?this.nextEvent.time>=e:this.nextEvent.time<=e:this.isReverse?this.nextEvent.time>e:this.nextEvent.time<e:!1}resetEventCursor(){this._eventCursor=this.isReverse?this._track.events.length-1:0}moveEventCursor(){this._eventCursor+=this.isReverse?-1:1,this._eventCursor>=this.track.events.length?this._eventCursor=0:this._eventCursor<0&&(this._eventCursor=this.track.events.length-1)}clipFrameTime(e){const t=wc.eventFrame;t.start=0,t.end=e,t.residual=0,this.isReverse?e<0&&(t.start=this.track.duration,t.end=0,t.residual=e+this.track.duration):e>this.track.duration&&(t.start=0,t.end=this.track.duration,t.residual=e-this.track.duration)}alignCursorToCurrentTime(){for(this.resetEventCursor();this.nextEventBehindTime(this._time)&&this._eventCursor!==this.eventCursorEnd;)this.moveEventCursor()}fireNextEvent(){this._eventHandler.fire(this.nextEvent.name,{track:this.track,...this.nextEvent}),this.moveEventCursor()}fireNextEventInFrame(e,t){return this.nextEventAheadOfTime(e)&&this.nextEventBehindTime(t)?(this.fireNextEvent(),!0):!1}activeEventsForFrame(e,t){const s=wc.eventFrame;this.clipFrameTime(t);const i=this.eventCursor;for(;this.fireNextEventInFrame(e,s.end)&&i!==this.eventCursor;);this.loop&&Math.abs(s.residual)>0&&this.activeEventsForFrame(s.start,s.residual)}progressForTime(e){return e*this._speed/this._track.duration}_update(e){if(this._playing){let t=this._time;const s=this._track.duration,i=this._speed,r=this._loop;this._track.events.length>0&&s>0&&this.activeEventsForFrame(t,t+i*e),t+=i*e,i>=0?t>s&&(r?t=t%s||0:(t=this._track.duration,this.pause())):t<0&&(r?t=s+(t%s||0):(t=0,this.pause())),this._time=t}this._time!==this._snapshot._time&&this._track.eval(this._time,this._snapshot)}play(){this._playing=!0,this._time=0}stop(){this._playing=!1,this._time=0}pause(){this._playing=!1}resume(){this._playing=!0}reset(){this._time=0}}const Dw="NONE",kB="PREV_STATE",UB="NEXT_STATE",zB="PREV_STATE_NEXT_STATE",VB="NEXT_STATE_PREV_STATE",GB="GREATER_THAN",HB="LESS_THAN",WB="GREATER_THAN_EQUAL_TO",XB="LESS_THAN_EQUAL_TO",YB="EQUAL_TO",jB="NOT_EQUAL_TO",Oy="INTEGER",By="FLOAT",Ny="BOOLEAN",Dd="TRIGGER",qB="1D",$B="2D_DIRECTIONAL",KB="2D_CARTESIAN",ZB="DIRECT",kl="START",c_="END",Ua="ANY",gu=[kl,c_,Ua],Mw="OVERWRITE",QB="ADDITIVE";class rs{static dot(e,t){const s=e.length;let i=0;for(let r=0;r<s;++r)i+=e[r]*t[r];return i}static normalize(e){let t=rs.dot(e,e);if(t>0){t=1/Math.sqrt(t);const s=e.length;for(let i=0;i<s;++i)e[i]*=t}}static set(e,t,s){const i=e.length;if(s==="quaternion"){let r=rs.dot(t,t);r>0&&(r=1/Math.sqrt(r));for(let a=0;a<i;++a)e[a]=t[a]*r}else for(let r=0;r<i;++r)e[r]=t[r]}static blendVec(e,t,s,i){const r=i?1:1-s,a=e.length;for(let n=0;n<a;++n)e[n]=e[n]*r+t[n]*s}static blendQuat(e,t,s,i){const r=e.length,a=i?1:1-s;rs.dot(e,t)<0&&(s=-s);for(let n=0;n<r;++n)e[n]=e[n]*a+t[n]*s;i||rs.normalize(e)}static blend(e,t,s,i,r){i==="quaternion"?rs.blendQuat(e,t,s,r):rs.blendVec(e,t,s,r)}static stableSort(e,t){const s=e.length;for(let i=0;i<s-1;++i)for(let r=i+1;r<s;++r)if(t(e[r],e[i])){const a=e[i];e[i]=e[r],e[r]=a}}}class Nt{static TYPE_QUAT="quaternion";static TYPE_VEC3="vector3";static q1=new ae;static q2=new ae;static q3=new ae;static quatArr=[0,0,0,1];static vecArr=[0,0,0];static IDENTITY_QUAT_ARR=[0,0,0,1];constructor(e,t){this._component=e,this.mask=new Int8Array(e.layers.length),this.weights=new Float32Array(e.layers.length),this.totalWeight=0,this.counter=0,this.layerCounter=0,this.valueType=t,this.dirty=!0,this.value=t===Nt.TYPE_QUAT?[0,0,0,1]:[0,0,0],this.baseValue=null,this.setter=null}get _normalizeWeights(){return this._component.normalizeWeights}getWeight(e){return this.dirty&&this.updateWeights(),this._normalizeWeights&&this.totalWeight===0||!this.mask[e]?0:this._normalizeWeights?this.weights[e]/this.totalWeight:H.clamp(this.weights[e],0,1)}_layerBlendType(e){return this._component.layers[e].blendType}setMask(e,t){this.mask[e]=t,this._normalizeWeights&&(this._component.layers[e].blendType===Mw&&(this.mask=this.mask.fill(0,0,e)),this.dirty=!0)}updateWeights(){this.totalWeight=0;for(let e=0;e<this.weights.length;e++)this.weights[e]=this._component.layers[e].weight,this.totalWeight+=this.mask[e]*this.weights[e];this.dirty=!1}updateValue(e,t){if(this.counter===0&&(rs.set(this.value,Nt.IDENTITY_QUAT_ARR,this.valueType),this._normalizeWeights||rs.blend(this.value,this.baseValue,1,this.valueType)),!(!this.mask[e]||this.getWeight(e)===0)){if(this._layerBlendType(e)===QB&&!this._normalizeWeights)if(this.valueType===Nt.TYPE_QUAT){const s=Nt.q1.set(this.value[0],this.value[1],this.value[2],this.value[3]),i=Nt.q2.set(this.baseValue[0],this.baseValue[1],this.baseValue[2],this.baseValue[3]),r=Nt.q3.set(t[0],t[1],t[2],t[3]),a=i.invert().mul(r);a.slerp(ae.IDENTITY,a,this.getWeight(e)),s.mul(a),Nt.quatArr[0]=s.x,Nt.quatArr[1]=s.y,Nt.quatArr[2]=s.z,Nt.quatArr[3]=s.w,rs.set(this.value,Nt.quatArr,this.valueType)}else Nt.vecArr[0]=t[0]-this.baseValue[0],Nt.vecArr[1]=t[1]-this.baseValue[1],Nt.vecArr[2]=t[2]-this.baseValue[2],rs.blend(this.value,Nt.vecArr,this.getWeight(e),this.valueType,!0);else rs.blend(this.value,t,this.getWeight(e),this.valueType);this.setter&&this.setter(this.value)}}unbind(){this.setter&&this.setter(this.baseValue)}}class Rw{constructor(e){this._binder=e,this._clips=[],this._inputs=[],this._outputs=[],this._targets={}}get clips(){return this._clips}

11884addClip(e){const t=this._targets,s=this._binder,i=e.track.curves,r=e.snapshot,a=[],n=[];for(let o=0;o<i.length;++o){const h=i[o].paths;for(let d=0;d<h.length;++d){const u=h[d],f=s.resolve(u);let p=t[f&&f.targetPath||null];if(!p&&f){p={target:f,value:[],curves:0,blendCounter:0};for(let m=0;m<p.target.components;++m)p.value.push(0);if(t[f.targetPath]=p,s.animComponent){if(!s.animComponent.targets[f.targetPath]){let m;f.targetPath.substring(f.targetPath.length-13)==="localRotation"?m=Nt.TYPE_QUAT:m=Nt.TYPE_VEC3,s.animComponent.targets[f.targetPath]=new Nt(s.animComponent,m)}s.animComponent.targets[f.targetPath].layerCounter++,s.animComponent.targets[f.targetPath].setMask(s.layerIndex,1)}}p&&(p.curves++,a.push(r._results[o]),n.push(p))}}this._clips.push(e),this._inputs.push(a),this._outputs.push(n)}removeClip(e){const t=this._targets,s=this._binder,i=this._clips,a=i[e].track.curves;for(let n=0;n<a.length;++n){const c=a[n].paths;for(let h=0;h<c.length;++h){const d=c[h],u=this._binder.resolve(d);u&&(u.curves--,u.curves===0&&(s.unresolve(d),delete t[u.targetPath],s.animComponent&&s.animComponent.targets[u.targetPath].layerCounter--))}}i.splice(e,1),this._inputs.splice(e,1),this._outputs.splice(e,1)}removeClips(){for(;this._clips.length>0;)this.removeClip(0)}updateClipTrack(e,t){this._clips.forEach(s=>{s.name.includes(e)&&(s.track=t)}),this.rebind()}findClip(e){const t=this._clips;for(let s=0;s<t.length;++s){const i=t[s];if(i.name===e)return i}return null}rebind(){this._binder.rebind(),this._targets={};const e=[...this.clips];this.removeClips(),e.forEach(t=>{this.addClip(t)})}assignMask(e){return this._binder.assignMask(e)}update(e,t=!0){const s=this._clips,i=s.map((n,o)=>o);rs.stableSort(i,(n,o)=>s[n].blendOrder<s[o].blendOrder);for(let n=0;n<i.length;++n){const o=i[n],c=s[o],h=this._inputs[o],d=this._outputs[o],u=c.blendWeight;if(u>0&&c._update(e),!t)break;let f,p,m;if(u>=1)for(let _=0;_<h.length;++_)f=h[_],p=d[_],m=p.value,rs.set(m,f,p.target.type),p.blendCounter++;else if(u>0)for(let _=0;_<h.length;++_)f=h[_],p=d[_],m=p.value,p.blendCounter===0?rs.set(m,f,p.target.type):rs.blend(m,f,u,p.target.type),p.blendCounter++}const r=this._targets,a=this._binder;for(const n in r)if(r.hasOwnProperty(n)){const o=r[n];if(a.animComponent&&o.target.usesLayerBlending){const c=a.animComponent.targets[n];c.counter===c.layerCounter&&(c.counter=0),c.path||(c.path=n,c.baseValue=o.target.get(),c.setter=o.target.set),c.updateV

11884alue(a.layerIndex,o.value),c.counter++}else o.target.set(o.value);o.blendCounter=0}this._binder.update(e)}}class Lw{constructor(e){this._events=[...e],this._events.sort((t,s)=>t.time-s.time)}get events(){return this._events}}class Dr{static EMPTY=Object.freeze(new Dr("empty",Number.MAX_VALUE,[],[],[]));constructor(e,t,s,i,r,a=new Lw([])){this._name=e,this._duration=t,this._inputs=s,this._outputs=i,this._curves=r,this._animEvents=a}get name(){return this._name}get duration(){return this._duration}get inputs(){return this._inputs}get outputs(){return this._outputs}get curves(){return this._curves}set events(e){this._animEvents=e}get events(){return this._animEvents.events}eval(e,t){t._time=e;const s=this._inputs,i=this._outputs,r=this._curves,a=t._cache,n=t._results;for(let o=0;o<s.length;++o)a[o].update(e,s[o]._data);for(let o=0;o<r.length;++o){const c=r[o],h=i[c._output],d=n[o];a[c._input].eval(d,c._interpolation,h)}}}class po{static joinPath(e,t){t=t||".";const s=function(i){return i.replace(/\\/g,"\\\\").replace(new RegExp(`\\${t}`,"g"),`\\${t}`)};return e.map(s).join(t)}static splitPath(e,t){t=t||".";const s=[];let i="",r=0;for(;r<e.length;){let a=e[r++];a==="\\"&&r<e.length?(a=e[r++],a==="\\"||a===t?i+=a:i+=`\\${a}`):a===t?(s.push(i),i=""):i+=a}return i.length>0&&s.push(i),s}static encode(e,t,s){return`${Array.isArray(e)?e.join("/"):e}/${t}/${Array.isArray(s)?s.join("/"):s}`}resolve(e){return null}unresolve(e){}update(e){}}class h_{constructor(e,t,s,i){e.set?(this._set=e.set,this._get=e.get):this._set=e,this._type=t,this._components=s,this._targetPath=i,this._isTransform=this._targetPath.substring(this._targetPath.length-13)==="localRotation"||this._targetPath.substring(this._targetPath.length-13)==="localPosition"||this._targetPath.substring(this._targetPath.length-10)==="localScale",this._isWeight=this._targetPath.indexOf("weight.")!==-1}get set(){return this._set}get get(){return this._get}get type(){return this._type}get components(){return this._components}get targetPath(){return this._targetPath}get isTransform(){return this._isTransform}get isWeight(){return this._isWeight}get usesLayerBlending(){return this._isTransform||this._isWeight}}class $r{constructor(e){if(this.graph=e,!e)return;this._mask=null;const t={},s=function(r){t[r.name]=r;for(let a=0;a<r.children.length;++a)s(r.children[a])};s(e),this.nodes=t,this.targetCache={};const i=function(r){let a=r;for(;a&&!(a instanceof lt);)a=a.parent;let n;return a&&(a.render?n=a.render.meshInstances:a.model&&(n=a.model.meshInstances)),n};this.nodeCounts={},this.activeNodes=[],this.handlers={localPosition:function(r){const a=r.localPosition,n=function(o){a.set(...o)};return $r.createAnimTarget(n,"vector",3,r,"localPosition")},localRotation:function(r){const a=r.localRotation,n=function(o){a.set(...o)};return $r.createAnimTarget(n,"quaternion",4,r,"localRotation")},localScale:function(r){const a=r.localScale,n=function(o){a.set(...o)};return $r.createAnimTarget(n,"vector",3,r,"localScale")},weight:function(r,a){a.indexOf("name.")===0?a=a.replace("name.",""):a=Number(a);const n=i(r),o=[];if(n)for(let c=0;c<n.length;++c)n[c].node.name===r.name&&n[c].morphInstance&&o.push(n[c].morphInstance);if(o.length>0){const c={set:h=>{for(let d=0;d<o.length;++d)o[d].setWeight(a,h[0])},get:()=>[o[0].getWeight(a)]};return $r.createAnimTarget(c,"number",1,r,`weight.${a}`)}return null},materialTexture:(r,a)=>{const n=i(r);if(n){let o;for(let c=0;c<n.length;++c)if(n[c].node.name===r.name){o=n[c];break}if(o){const c=h=>

11884{const d=this.animComponent.system.app.assets.get(h[0]);d&&d.resource&&d.type==="texture"&&(o.material[a]=d.resource,o.material.update())};return $r.createAnimTarget(c,"vector",1,r,"materialTexture","material")}}return null}}}_isPathInMask=(e,t)=>{const s=this._mask[e];if(s){if(s.children||t&&s.value!==!1)return!0}else return!1;return!1};_isPathActive(e){if(!this._mask)return!0;const t=[e.entityPath[0],this.graph.name];for(let s=0;s<t.length;++s){let i=t[s];if(this._isPathInMask(i,e.entityPath.length===1))return!0;for(let r=1;r<e.entityPath.length;r++)if(i+=`/${e.entityPath[r]}`,this._isPathInMask(i,r===e.entityPath.length-1))return!0}return!1}findNode(e){if(!this._isPathActive(e))return null;let t;return this.graph&&(t=this.graph.findByPath(e.entityPath),t||(t=this.graph.findByPath(e.entityPath.slice(1)))),t||(t=this.nodes[e.entityPath[e.entityPath.length-1]||""]),t}static createAnimTarget(e,t,s,i,r,a){const n=po.encode(i.path,a||"entity",r);return new h_(e,t,s,n)}resolve(e){const t=po.encode(e.entityPath,e.component,e.propertyPath);let s=this.targetCache[t];if(s)return s;const i=this.findNode(e);if(!i)return null;const r=this.handlers[e.propertyPath];return!r||(s=r(i),!s)?null:(this.targetCache[t]=s,this.nodeCounts[i.path]?this.nodeCounts[i.path]++:(this.activeNodes.push(i),this.nodeCounts[i.path]=1),s)}unresolve(e){if(e.component!=="graph")return;const t=this.nodes[e.entityPath[e.entityPath.length-1]||""];if(this.nodeCounts[t.path]--,this.nodeCounts[t.path]===0){const s=this.activeNodes,i=s.indexOf(t.node),r=s.length;i<r-1&&(s[i]=s[r-1]),s.pop()}}update(e){const t=this.activeNodes;for(let s=0;s<t.length;++s)t[s]._dirtifyLocal()}assignMask(e){return e!==this._mask?(this._mask=e,!0):!1}}class Fw extends ye{_animations={};_assets=[];_loop=!0;animEvaluator=null;model=null;skeleton=null;fromSkel=null;toSkel=null;animationsIndex={};prevAnim=null;currAnim=null;blend=0;blending=!1;blendSpeed=0;activate=!0;speed=1;set animations(e){this._animations=e,this.onSetAnimations()}get animations(){return this._animations}set assets(e){const t=this._assets;if(t&&t.length){for(let i=0;i<t.length;i++)if(t[i]){const r=this.system.app.assets.get(t[i]);if(r){r.off("change",this.onAssetChanged,this),r.off("remove",this.onAssetRemoved,this);const a=this.animationsIndex[r.id];this.currAnim===a&&this._stopCurrentAnimation(),delete this.animations[a],delete this.animationsIndex[r.id]}}}this._assets=e;const s=e.map(i=>i instanceof pe?i.id:i);this.loadAnimationAssets(s)}get assets(){return this._assets}set currentTime(e){if(this.skeleton&&(this.skeleton.currentTime=e,this.skeleton.addTime(0),this.skeleton.updateGraph()),this.animEvaluator){const t=this.animEvaluator.clips;for(let s=0;s<t.length;++s)t[s].time=e}}get currentTime(){if(this.skeleton)return this.skeleton._time;if(this.animEvaluator){const e=this.animEvaluator.clips;if(e.length>0)return e[e.length-1].time}return 0}get duration(){return this.currAnim?this.animations[this.currAnim].duration:0}set loop(e){if(this._loop=e,this.skeleton&&(this.skeleton.looping=e),this.animEvaluator)for(let t=0;t<this.animEvaluator.clips.length;++t)this.animEvaluator.clips[t].loop=e}get loop(){return this._loop}play(e,t=0){if(!(!this.enabled||!this.entity.enabled)&&this.animations[e]){if(this.prevAnim=this.currAnim,this.currAnim=e,this.model){!this.skeleton&&!this.animEvaluator&&this._createAnimationController();const s=this.animations[this.prevAnim],i=this.animations[this.currAnim];if(this.blending=t>0&&!!this.prevAnim,this.blending&&(this.blend=0,this.blendSpeed=1/t),this.skeleton&&(this.blending?(this.fromSkel.animation=s,this.fromSkel.addTime(this.skeleton._time),this.toSkel.animation=i):this.skeleton.animation=i),this.animEvaluator){const r=this.animEvaluator;if(this.blending)for(;r.clips.length>1;)r.removeClip(0);else this.animEvaluator.removeClips();const a=new wc(this.animations[this.currAnim],0,1,!0,this.loop);a.name=this.currAnim,a.blendWeight=this.blending?0:1,a.reset(),this.animEvaluator.addClip(a)}}this.playing=!0}}getAnimation(e){return this.animations[e]}setModel(e){e!==this.model&&(this._resetAnimationController(),this.model=e,this.animations&&this.currAnim&&this.animations[this.currAnim]&&this.play(this.currAnim))}onSetAnimations(){const e=this.entity.model;if(e){const t=e.model;t&&t!==this.model&&this.setModel(t)}if(!this.currAnim&&this.activate&&this.enabled&&this.entity.enabled){const t=Object.keys(this._animations);t.length>0&&this.play(t[0])}}_resetAnimationController(){this.skeleton=null,this.fromSkel=null,this.toSkel=null,this.animEvaluator=null}_createAnimationController(){const e=this.model,t=this.animations;let s=!1,i=!1;for(const a in t)t.hasOwnProperty(a)&&(t[a].constructor===Dr?i=!0:s=!0);const r=e.getGraph();

11884s?(this.fromSkel=new Up(r),this.toSkel=new Up(r),this.skeleton=new Up(r),this.skeleton.looping=this.loop,this.skeleton.setGraph(r)):i&&(this.animEvaluator=new Rw(new $r(this.entity)))}loadAnimationAssets(e){if(!e||!e.length)return;const t=this.system.app.assets,s=r=>{if(r.resources.length>1)for(let a=0;a<r.resources.length;a++)this.animations[r.resources[a].name]=r.resources[a],this.animationsIndex[r.id]=r.resources[a].name;else this.animations[r.name]=r.resource,this.animationsIndex[r.id]=r.name;this.animations=this.animations},i=r=>{r.off("change",this.onAssetChanged,this),r.on("change",this.onAssetChanged,this),r.off("remove",this.onAssetRemoved,this),r.on("remove",this.onAssetRemoved,this),r.resource?s(r):(r.once("load",s,this),this.enabled&&this.entity.enabled&&t.load(r))};for(let r=0,a=e.length;r<a;r++){const n=t.get(e[r]);n?i(n):t.on(`add:${e[r]}`,i)}}onAssetChanged(e,t,s,i){if(t==="resource"||t==="resources")if(t==="resources"&&s&&s.length===0&&(s=null),s){let r=!1;if(s.length>1){if(i&&i.length>1)for(let a=0;a<i.length;a++)delete this.animations[i[a].name];else delete this.animations[e.name];r=!1;for(let a=0;a<s.length;a++)this.animations[s[a].name]=s[a],!r&&this.currAnim===s[a].name&&this.playing&&this.enabled&&this.entity.enabled&&(r=!0,this.play(s[a].name));r||(this._stopCurrentAnimation(),this.onSetAnimations())}else{if(i&&i.length>1)for(let a=0;a<i.length;a++)delete this.animations[i[a].name];this.animations[e.name]=s[0]||s,r=!1,this.currAnim===e.name&&this.playing&&this.enabled&&this.entity.enabled&&(r=!0,this.play(e.name)),r||(this._stopCurrentAnimation(),this.onSetAnimations())}this.animationsIndex[e.id]=e.name}else{if(i.length>1)for(let r=0;r<i.length;r++)delete this.animations[i[r].name],this.currAnim===i[r].name&&this._stopCurrentAnimation();else delete this.animations[e.name],this.currAnim===e.name&&this._stopCurrentAnimation();delete this.animationsIndex[e.id]}}onAssetRemoved(e){if(e.off("remove",this.onAssetRemoved,this),this.animations){if(e.resources.length>1)for(let t=0;t<e.resources.length;t++)delete this.animations[e.resources[t].name],this.currAnim===e.resources[t].name&&this._stopCurrentAnimation();else delete this.animations[e.name],this.currAnim===e.name&&this._stopCurrentAnimation();delete this.animationsIndex[e.id]}}_stopCurrentAnimation(){if(this.currAnim=null,this.playing=!1,this.skeleton&&(this.skeleton.currentTime=0,this.skeleton.animation=null),this.animEvaluator){for(let e=0;e<this.animEvaluator.clips.length;++e)this.animEvaluator.clips[e].stop();this.animEvaluator.update(0),this.animEvaluator.removeClips()}}onEnable(){super.onEnable();const e=this.assets,t=this.system.app.assets;if(e)for(let s=0,i=e.length;s<i;s++){let r=e[s];r instanceof pe||(r=t.get(r)),r&&!r.resource&&t.load(r)}if(this.activate&&!this.currAnim){const s=Object.keys(this.animations);s.length>0&&this.play(s[0])}}onBeforeRemove(){for(let e=0;e<this.assets.length;e++){let t=this.assets[e];typeof t=="number"&&(t=this.system.app.assets.get(t)),t&&(t.off("change",this.onAssetChanged,this),t.off("remove",this.onAssetRemoved,this))}this.skeleton=null,this.fromSkel=null,this.toSkel=null,this.animEvaluator=null}update(e){if(this.blending&&(this.blend+=e*this.blendSpeed,this.blend>=1&&(this.blend=1)),this.playing){const s=this.skeleton;if(s!==null&&this.model!==null){if(this.blending)s.blend(this.fromSkel,this.toSkel,this.blend);else{const i=e*this.speed;s.addTime(i),this.speed>0&&s._time===s.animation.duration&&!this.loop?this.playing=!1:this.speed<0&&s._time===0&&!this.loop&&(this.playing=!1)}this.blending&&this.blend===1&&(s.animation=this.toSkel.animation),s.updateGraph()}}const t=this.animEvaluator;if(t){for(let s=0;s<t.clips.length;++s){const i=t.clips[s];i.speed=this.speed,this.playing?i.resume():i.pause()}this.blending&&t.clips.length>1&&(t.clips[1].blendWeight=this.blend),t.update(e)}this.blending&&this.blend===1&&(this.blending=!1)}}class JB{enabled=!0}const d_=["enabled"];class eN extends Tt{constructor(e){super(e),this.id="animation",this.ComponentType=Fw,this.DataType=JB,this.schema=d_,this.on("beforeremove",this.onBeforeRemove,this),this.app.systems.on("update",this.onUpdate,this)}initializeComponentData(e,t,s){s=["activate","enabled","loop","speed","assets"];for(const i of s)t.hasOwnProperty(i)&&(e[i]=t[i]);super.initializeComponentData(e,t,d_)}cloneComponent(e,t){this.addComponent(t,{}),t.animation.assets=e.animation.assets.slice(),t.animation.speed=e.animation.speed,t.animation.loop=e.animation.loop,t.animation.activate=e.animation.activate,t.animation.enabled=e.animation.enabled;const s={},i=e.animation.animations;for(const n in i)i.hasOwnProperty(n)&&(s[n]=i[n]);t.animation.animations=s;const r={},a=e.animation.animationsIndex;for(const n in a)a.hasOwnProperty(n)&&(r[n]=a[n]);return t.animation.animationsIndex=r,t.animation}onBeforeRemove(e,t){t.onBeforeRemove()}onUpdate(e){const t=this.store;for(const s in t)if(t.hasOwnProperty(s)){const i=t[s];i.data.enabled&&i.entity.enabled&&i.entity.animation.update(e)}}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}ye._buildAccessors(Fw.prototype,d_);class Cc{constructor(e,t,s,i,r=1){this._state=e,this._parent=t,this._name=s,Array.isArray(i)?(this._point=new j(i[0],i[1]),this._pointLength=this._point.length()):(this._point=i,this._pointLength=i),this._speed=r,this._weightedSpeed=1,this._weight=1,this._animTrack=null}get parent(){return this._parent}get name(){return this._name}get path(){return this._parent?`${this._parent.path}.${this._name}`:this._name}get point(){return this._point}get pointLength(){return this._pointLength}set weight(e){this._weight=e}get weight(){return this._parent?this._parent.weight*this._weight:this._weight}get normalizedWeight(){const e=this._state.totalWeight;return e===0?0:this.weight/e}get speed(){return this._weightedSpeed*this._speed}get absoluteSpeed(){return Math.abs(this._speed)}set weightedSpeed(e){this._weightedSpeed=e}get weightedSpeed(){return this._weightedSpeed}set animTrack(e){this._animTrack=e}get animTrack(){return this._animTrack}}class Qo extends Cc{constructor(e,t,s,i,r,a,n,o,c){super(e,t,s,i),this._parameters=r,this._parameterValues=new Array(r.length),this._children=[],this._findParameter=c,this._syncAnimations=n!==!1,this._pointCache={};for(let h=0;h<a.length;h++){const d=a[h];d.children?this._children.push(o(d.type,e,this,d.name,1,d.parameter?[d.parameter]:d.parameters,d.children,d.syncAnimations,o,c)):this._children.push(new Cc(e,this,d.name,d.point,d.speed))}}get weight(){return this.calculateWeights(),this._parent?this._parent.weight*this._weight:this._weight}get syncAnimations(){return this._syncAnimations}getChild(e){for(let t=0;t<this._children.length;t++)if(this._children[t].name===e)return this._children[t];return null}updateParameterValues(){let e=!0;for(let t=0;t<this._parameterValues.length;t++){const s=this._findParameter(this._parameters[t]).value;this._parameterValues[t]!==s&&(this._parameterValues[t]=s,e=!1)}return e}getNodeWeightedDuration(e){return this._children[e].animTrack.duration/this._children[e].speedMultiplier*this._children[e].weight}getNodeCount(){let e=0;for(let t=0;t<this._children.length;t++)this._children[t].constructor===Qo?e+=this._children[t].getNodeCount():e++;return e}}class tN extends Qo{constructor(e,t,s,i,r,a,n,o,c){a.sort((h,d)=>h.point-d.point),super(e,t,s,i,r,a,n,o,c)}calculateWeights(){if(this.updateParameterValues())return;let e=0;this._children[0].weight=0;for(let t=0;t<this._children.length;t++){const s=this._children[t];if(t!==this._children.length-1){const i=this._children[t+1];if(s.point===i.point)s.weight=.5,i.weight=.5;else if(H.between(this._parameterValues[0],s.point,i.point,!0)){const r=Math.abs(s.point-i.point),a=Math.abs(s.point-this._parameterValues[0]),n=(r-a)/r;s.weight=n,i.weight=1-n}else i.weight=0}this._syncAnimations&&(e+=s.animTrack.duration/s.absoluteSpeed*s.weight)}if(this._syncAnimations)for(let t=0;t<this._children.length;t++){const s=this._children[t];s.weightedSpeed=s.animTrack.duration/s.absoluteSpeed/e}}}class za extends Qo{static _p=new j;static _pip=new j;pointDistanceCache(e,t){const s=`${e}${t}`;return this._pointCache[s]||(this._pointCache[s]=this._children[t].point.clone().sub(this._children[e].point)),this._pointCache[s]}calculateWeights(){if(this.updateParameterValues())return;let e,t;za._p.set(...this._parameterValues),e=0,t=0;for(let s=0;s<this._children.length;s++){const i=this._children[s],r=i.point;za._pip.set(za._p.x,za._p.y).sub(r);let a=Number.MAX_VALUE;for(let n=0;n<this._children.length;n++){if(s===n)continue;const o=this.pointDistanceCache(s,n),c=H.clamp(1-za._pip.dot(o)/o.lengthSq(),0,1);c<a&&(a=c)}i.weight=a,e+=a,this._syncAnimations&&(t+=i.animTrack.duration/i.absoluteSpeed*i.weight)}for(let s=0;s<this._children.length;s++){const i=this._children[s];i.weight=i._weight/e,this._syncAnimations&&(i.weightedSpeed=i.animTrack.duration/i.absoluteSpeed/t)}}}class Va extends Qo{static _p=new j;static _pip=new j;pointCache(e,t){const s=`${e}${t}`;return this._pointCache[s]||(this._pointCache[s]=new j((this._children[t].pointLength-this._children[e].pointLength)/((this._children[t].pointLength+this._children[e].pointLength)/2),j.angleRad(this._children[e].point,this._children[t].point)*2)),this._pointCache[s]}calculateWeights(){if(this.updateParameterValues())return;let e,t;Va._p.set(...this._parameterValues);const s=Va._p.length();e=0,t=0;for(let i=0;i<this._children.length;i++){const r=this._children[i],a=r.point,n=r.pointLength;let o=Number.MAX_VALUE;for(let c=0;c<this._children.length;c++){if(i===c)continue;

11884const h=this.pointCache(i,c),d=this._children[c].pointLength;Va._pip.set((s-n)/((d+n)/2),j.angleRad(a,Va._p)*2);const u=H.clamp(1-Math.abs(Va._pip.dot(h)/h.lengthSq()),0,1);u<o&&(o=u)}r.weight=o,e+=o,this._syncAnimations&&(t+=r.animTrack.duration/r.absoluteSpeed*r.weight)}for(let i=0;i<this._children.length;i++){const r=this._children[i];if(r.weight=r._weight/e,this._syncAnimations){const a=r.animTrack.duration/t*e;r.weightedSpeed=r.absoluteSpeed*a}}}}class sN extends Qo{calculateWeights(){if(this.updateParameterValues())return;let e=0,t=0;for(let s=0;s<this._children.length;s++)if(e+=Math.max(this._parameterValues[s],0),this._syncAnimations){const i=this._children[s];t+=i.animTrack.duration/i.absoluteSpeed*i.weight}for(let s=0;s<this._children.length;s++){const i=this._children[s],r=Math.max(this._parameterValues[s],0);e?(i.weight=r/e,this._syncAnimations&&(i.weightedSpeed=i.animTrack.duration/i.absoluteSpeed/t)):(i.weight=0,this._syncAnimations&&(i.weightedSpeed=0))}}}class ky{_animations={};_animationList=[];constructor(e,t,s=1,i=!0,r){this._controller=e,this._name=t,this._speed=s,this._loop=i,this._hasAnimations=!1,r?this._blendTree=this._createTree(r.type,this,null,t,1,r.parameter?[r.parameter]:r.parameters,r.children,r.syncAnimations,this._createTree,this._controller.findParameter):this._blendTree=new Cc(this,null,t,1,s)}_createTree(e,t,s,i,r,a,n,o,c,h){switch(e){case qB:return new tN(t,s,i,r,a,n,o,c,h);case KB:return new za(t,s,i,r,a,n,o,c,h);case $B:return new Va(t,s,i,r,a,n,o,c,h);case ZB:return new sN(t,s,i,r,a,n,o,c,h)}}_getNodeFromPath(e){let t=this._blendTree;for(let s=1;s<e.length;s++)t=t.getChild(e[s]);return t}addAnimation(e,t){const s=e.join("."),i=this._animationList.findIndex(r=>r.path===s);if(i>=0)this._animationList[i].animTrack=t;else{const r=this._getNodeFromPath(e);r.animTrack=t,this._animationList.push(r)}this._updateHasAnimations()}_updateHasAnimations(){this._hasAnimations=this._animationList.length>0&&this._animationList.every(e=>e.animTrack&&e.animTrack!==Dr.EMPTY)}get name(){return this._name}set animations(e){this._animationList=e,this._updateHasAnimations()}get animations(){return this._animationList}get hasAnimations(){return this._hasAnimations}set speed(e){this._speed=e}get speed(){return this._speed}set loop(e){this._loop=e}get loop(){return this._loop}get nodeCount(){return!this._blendTree||this._blendTree.constructor===Cc?1:this._blendTree.getNodeCount()}get playable(){return gu.indexOf(this.name)!==-1||this.animations.length===this.nodeCount}get looping(){if(this.animations.length>0){const e=`${this.name}.${this.animations[0].animTrack.name}`,t=this._controller.animEvaluator.findClip(e);if(t)return t.loop}return!1}get totalWeight(){let e=0;for(let t=0;t<this.animations.length;t++)e+=this.animations[t].weight;return e}get timelineDuration(){let e=0;for(let t=0;t<this.animations.length;t++){const s=this.animations[t];s.animTrack.duration>e&&(e=s.animTrack.duration)}return e}}class vu{constructor({from:e,to:t,time:s=0,priority:i=0,conditions:r=[],exitTime:a=null,transitionOffset:n=null,interruptionSource:o=Dw}){this._from=e,this._to=t,this._time=s,this._priority=i,this._conditions=r,this._exitTime=a,this._transitionOffset=n,this._interruptionSource=o}get from(){return this._from}set to(e){this._to=e}get to(){return this._to}get time(){return this._time}get priority(){return this._priority}get conditions(){return this._conditions}get exitTime(){return this._exitTime}get transitionOffset(){return this._transitionOffset}get interruptionSource(){return this._interruptionSource}get hasExitTime(){return!!this.exitTime}}class iN{_states={};_stateNames=[];_findTransitionsFromStateCache={};_findTransitionsBetweenStatesCache={};_previousStateName=null;_activeStateName=kl;_activeStateDuration=0;_activeStateDurationDirty=!0;_playing=!1;_activate;_transitions;_currTransitionTime=1;_totalTransitionTime=1;_isTransitioning=!1;_transitionInterruptionSource=Dw;_transitionPreviousStates=[];_timeInState=0;_timeInStateBefore=0;constructor(e,t,s,i,r,a,n){this._animEvaluator=e,this._eventHandler=r,this._findParameter=a,this._consumeTrigger=n;for(let o=0;o<t.length;o++)this._states[t[o].name]=new ky(this,t[o].name,t[o].speed,t[o].loop,t[o].blendTree),this._stateNames.push(t[o].name);this._transitions=s.map(o=>new vu({...o})),this._activate=i}get animEvaluator(){return this._animEvaluator}set activeState(e){this._activeStateName=e}get activeState(){return this._findState(this._activeStateName)}get activeStateName(){return this._activeStateName}get activeStateAnimations(){return this.activeState.animations}set previousState(e){this._previousStateName=e}get previousState(){return this._findState(this._previousStateName)}get previousStateName(){return this._previousStateName}get playable(){let e=!0;for(let t=0;t<this._stateNames.length;t++)this._states[this._stateNames[t]].playable||(e=!1);return e}set playing(e){this._playing=e}get playing(){return this._playing}get activeStateProgress(){return this._getActiveStateProgressForTime(this._timeInState)}get activeStateDuration(){if(this._activeStateDurationDirty){let e=0;for(let t=0;t<this.activeStateAnimations.length;t++){const s=this._animEvaluator.findClip(this.activeStateAnimations[t].name);s&&(e=Math.max(e,s.track.duration))}this._activeStateDuration=e,this._activeStateDurationDirty=!1}return this._activeStateDuration}set activeStateCurrentTime(e){this._timeInStateBefore=e,this._timeInState=e;for(let t=0;t<this.activeStateAnimations.length;t++){const s=this.animEvaluator.findClip(this.activeStateAnimations[t].name);s&&(s.time=e)}}get activeStateCurrentTime(){return this._timeInState}get transitioning(){return this._isTransitioning}get transitionProgress(){return this._currTransitionTime/this._totalTransitionTime}get states(){return this._stateNames}assignMask(e){return this._animEvaluator.assignMask(e)}_findState(e){return this._states[e]}_getActiveStateProgressForTime(e){if(this.activeStateName===kl||this.activeStateName===c_||this.activeStateName===Ua)return 1;const t=this._animEvaluator.findClip(this.activeStateAnimations[0].name);return t?t.progressForTime(e):null}_findTransitionsFromState(e){let t=this._findTransitionsFromStateCache[e];return t||(t=this._transitions.filter(s=>s.from===e),vc(t),this._findTransitionsFromStateCache[e]=t),t}_findTransitionsBetweenStates(e,t){let s=this._findTransitionsBetweenStatesCache[`${e}->${t}`];return s||(s=this._transitions.filter(i=>i.from===e&&i.to===t),vc(s),this._findTransitionsBetweenStatesCache[`${e}->${t}`]=s),s}_transitionHasConditionsMet(e){const t=e.conditions;for(let s=0;s<t.length;s++){const i=t[s],r=this._findParameter(i.parameterName);switch(i.predicate){case GB:if(!(r.value>i.value))return!1;break;case HB:if(!(r.value<i.value))return!1;break;case WB:if(!(r.value>=i.value))return!1;break;case XB:if(!(r.value<=i.value))return!1;break;case YB:if(r.value!==i.value)return!1;break;case jB:if(r.value===i.value)return!1;break}}return!0}_findTransition(e,t){let s=[];if(e&&t)s=s.concat(this._findTransitionsBetweenStates(e,t));else if(!this._isTransitioning)s=s.concat(this._findTransitionsFromState(this._activeStateName)),s=s.concat(this._findTransitionsFromState(Ua));else switch(this._transitionInterruptionSource){case kB:s=s.concat(this._findTransitionsFromState(this._previousStateName)),s=s.concat(this._findTransitionsFromState(Ua));break;case UB:s=s.concat(this._findTransitionsFromState(this._activeStateName)),s=s.concat(this._findTransitionsFromState(Ua));break;case zB:s=s.concat(this._findTransitionsFromState(this._previousStateName)),s=s.concat(this._findTransitionsFromState(this._activeStateName)),s=s.concat(this._findTransitionsFromState(Ua));break;case VB:s=s.concat(this._findTransitionsFromState(this._activeStateName)),s=s.concat(this._findTransitionsFromState(this._previousStateName)),s=s.concat(this._findTransitionsFromState(Ua));break}if(s=s.filter(i=>{if(i.to===this.activeStateName)return!1;if(i.hasExitTime){let r=this._getActiveStateProgressForTime(this._timeInStateBefore),a=this._getActiveStateProgressForTime(this._timeInState);if(i.exitTime<1&&this.activeState.loop&&(r-=Math.floor(r),a-=Math.floor(a)),a===r){if(a!==i.exitTime)return null}else if(!(i.exitTime>r&&i.exitTime<=a))return null}return this._transitionHasConditionsMet(i)}),s.length>0){const i=s[0];if(i.to===c_){const r=this._findTransitionsFromState(kl)[0];i.to=r.to}return i}return null}updateStateFromTransition(e){let t,s,i;this.previousState=e.from?this.activeStateName:null,this.activeState=e.to,this._activeStateDurationDirty=!0;for(let c=0;c<e.conditions.length;c++){const h=e.conditions[c];this._findParameter(h.parameterName).type===Dd&&this._consumeTrigger(h.parameterName)}

11884if(this.previousState){this._isTransitioning||(this._transitionPreviousStates=[]),this._transitionPreviousStates.push({name:this._previousStateName,weight:1});const c=Math.min(this._totalTransitionTime!==0?this._currTransitionTime/this._totalTransitionTime:1,1);for(let h=0;h<this._transitionPreviousStates.length;h++){this._isTransitioning?h!==this._transitionPreviousStates.length-1?this._transitionPreviousStates[h].weight*=1-c:this._transitionPreviousStates[h].weight=c:this._transitionPreviousStates[h].weight=1,t=this._findState(this._transitionPreviousStates[h].name);for(let d=0;d<t.animations.length;d++)s=t.animations[d],i=this._animEvaluator.findClip(`${s.name}.previous.${h}`),i||(i=this._animEvaluator.findClip(s.name),i.name=`${s.name}.previous.${h}`),h!==this._transitionPreviousStates.length-1&&i.pause()}}this._isTransitioning=!0,this._totalTransitionTime=e.time,this._currTransitionTime=0,this._transitionInterruptionSource=e.interruptionSource;const r=this.activeState,a=e.transitionOffset&&e.transitionOffset>0&&e.transitionOffset<1;let n=0,o=0;if(a){const c=r.timelineDuration*e.transitionOffset;n=c,o=c}this._timeInState=n,this._timeInStateBefore=o;for(let c=0;c<r.animations.length;c++){if(i=this._animEvaluator.findClip(r.animations[c].name),i)i.reset();else{const h=Number.isFinite(r.animations[c].speed)?r.animations[c].speed:r.speed;i=new wc(r.animations[c].animTrack,this._timeInState,h,!0,r.loop,this._eventHandler),i.name=r.animations[c].name,this._animEvaluator.addClip(i)}if(e.time>0?i.blendWeight=0:i.blendWeight=r.animations[c].normalizedWeight,i.play(),a)i.time=r.timelineDuration*e.transitionOffset;else{const h=r.speed>=0?0:this.activeStateDuration;i.time=h}}}_transitionToState(e){if(!this._findState(e))return;let t=this._findTransition(this._activeStateName,e);t||(this._animEvaluator.removeClips(),t=new vu({from:null,to:e})),this.updateStateFromTransition(t)}assignAnimation(e,t,s,i){const r=e.split(".");let a=this._findState(r[0]);a||(a=new ky(this,r[0],s),this._states[r[0]]=a,this._stateNames.push(r[0])),a.addAnimation(r,t),this._animEvaluator.updateClipTrack(a.name,t),s!==void 0&&(a.speed=s),i!==void 0&&(a.loop=i),!this._playing&&this._activate&&this.playable&&this.play(),this._activeStateDurationDirty=!0}removeNodeAnimations(e){if(gu.indexOf(e)!==-1)return!1;const t=this._findState(e);return t?(t.animations=[],!0):!1}play(e){e&&this._transitionToState(e),this._playing=!0}pause(){this._playing=!1}reset(){this._previousStateName=null,this._activeStateName=kl,this._playing=!1,this._currTransitionTime=1,this._totalTransitionTime=1,this._isTransitioning=!1,this._timeInState=0,this._timeInStateBefore=0,this._animEvaluator.removeClips()}rebind(){this._animEvaluator.rebind()}update(e){if(!this._playing)return;let t,s,i;(this.activeState.loop||this._timeInState<this.activeStateDuration)&&(this._timeInStateBefore=this._timeInState,this._timeInState+=e*this.activeState.speed,!this.activeState.loop&&this._timeInState>this.activeStateDuration&&(this._timeInState=this.activeStateDuration,e=this.activeStateDuration-this._timeInStateBefore));const r=this._findTransition(this._activeStateName);if(r&&this.updateStateFromTransition(r),this._isTransitioning)if(this._currTransitionTime+=e,this._currTransitionTime<=this._totalTransitionTime){const a=this._totalTransitionTime!==0?this._currTransitionTime/this._totalTransitionTime:1;for(let n=0;n<this._transitionPreviousStates.length;n++){t=this._findState(this._transitionPreviousStates[n].name);const o=this._transitionPreviousStates[n].weight;for(let c=0;c<t.animations.length;c++)s=t.animations[c],i=this._animEvaluator.findClip(`${s.name}.previous.${n}`),i&&(i.blendWeight=(1-a)*s.normalizedWeight*o)}t=this.activeState;for(let n=0;n<t.animations.length;n++)s=t.animations[n],this._animEvaluator.findClip(s.name).blendWeight=a*s.normalizedWeight}else{this._isTransitioning=!1;const a=this.activeStateAnimations.length,n=this._animEvaluator.clips.length;for(let o=0;o<n-a;o++)this._animEvaluator.removeClip(0);this._transitionPreviousStates=[],t=this.activeState;for(let o=0;o<t.animations.length;o++)s=t.animations[o],i=this._animEvaluator.findClip(s.name),i&&(i.blendWeight=s.normalizedWeight)}else if(this.activeState._blendTree.constructor!==Cc){t=this.activeState;for(let a=0;a<t.animations.length;a++)s=t.animations[a],i=this._animEvaluator.findClip(s.name),i&&(i.blendWeight=s.normalizedWeight,s.parent.syncAnimations&&(i.speed=s.speed))}this._animEvaluator.update(e,this.activeState.hasAnimations)}findParameter=e=>this._findParameter(e)}const Zp=new j,Qh=new E,Tl=new ie,wl=new Q,Cl=new ae;class nr extends $r{constructor(e,t,s,i,r){super(t),this.animComponent=e,this._mask=i,this.layerName=s,this.layerIndex=r}static _packFloat(e){return e[0]}static _packBoolean(e){return!!e[0]}static _packVec2(e){return Zp.x=e[0],Zp.y=e[1],Zp}static _packVec3(e){return Qh.x=e[0],Qh.y=e[1],Qh.z=e[2],Qh}static _packVec4(e){return Tl.x=e[0],Tl.y=e[1],Tl.z=e[2],Tl.w=e[3],Tl}static _packColor(e){return wl.r=e[0],wl.g=e[1],wl.b=e[2],wl.a=e[3],wl}static _packQuat(e){return Cl.x=e[0],Cl.y=e[1],Cl.z=e[2],Cl.w=e[3],Cl}resolve(e){const t=po.encode(e.entityPath,e.component,e.propertyPath);let s=this.targetCache[t];if(s)return s;let i,r,a;switch(e.component){case"entity":i=this._getEntityFromHierarchy(e.entityPath),a=po.encode(i.path,"entity",e.propertyPath),r=i;break;case"graph":if(r=this.findNode(e),!r)return null;a=po.encode(r.path,"graph",e.propertyPath);break;default:if(i=this._getEntityFromHierarchy(e.entityPath),r=i.findComponent(e.component),!r)return null;a=po.encode(i.path,e.component,e.propertyPath);break}return s=this._createAnimTargetForProperty(r,e.propertyPath,a),this.targetCache[t]=s,s}update(e){const t=this.activeNodes;if(t)for(let s=0;s<t.length;s++)t[s]._dirtifyLocal()}_getEntityFromHierarchy(e){if(!this.animComponent.entity.name===e[0])return null;const t=this.animComponent.entity;return e.length===1?t:t._parent.findByPath(e)}_resolvePath(e,t,s){const i=t.length-(s?0:1);for(let r=0;r<i;r++)e=e[t[r]];return e}_setter(e,t,s){const i=this._resolvePath(e,t),r=t[t.length-1],a=`set${r.substring(0,1).toUpperCase()}${r.substring(1)}`;if(i[a]){let c=i[`get${r.substring(0,1).toUpperCase()}${r.substring(1)}`].bind(i)();c=[c.x,c.y,c.z,c.w];const h=i[a].bind(i);return{set:d=>{h(s(d))},get:()=>c}}const n=i[r];if(typeof n=="object"&&n.hasOwnProperty("copy"))return function(o){n.copy(s(o))};if([j,E,ie,Q,ae].indexOf(i.constructor)!==-1&&t.length>1){const o=t.length>2?this._resolvePath(e,t.slice(0,-1)):e,c=t[t.length-2];return function(h){i[r]=s(h),o[c]=i}}return function(o){i[r]=s(o)}}_createAnimTargetForProperty(e,t,s){if(this.handlers&&t[0].startsWith("weight."))return this.handlers.weight(e,t[0].replace("weight.",""));if(this.handlers&&t[0]==="material"&&t.length===2){const o=t[1];if(o.endsWith("Map"))return this.handlers.materialTexture(e,o)}const i=this._resolvePath(e,t,!0);if(typeof i>"u")return null;let r,a,n;if(typeof i=="number")r=this._setter(e,t,nr._packFloat),a="vector",n=1;else if(typeof i=="boolean")r=this._setter(e,t,nr._packBoolean),a="vector",n=1;else if(typeof i=="object")switch(i.constructor){case j:r=this._setter(e,t,nr._packVec2),a="vector",n=2;break;case E:r=this._setter(e,t,nr._packVec3),a="vector",n=3;break;case ie:r=this._setter(e,t,nr._packVec4),a="vector",n=4;break;case Q:r=this._setter(e,t,nr._packColor),a="vector",n=4;break;case ae:r=this._setter(e,t,nr._packQuat),a="quaternion",n=4;break;default:return null}return t.indexOf("material")!==-1?new h_(o=>

11884{r(o),e.material.update()},a,n,s):new h_(r,a,n,s)}rebind(){this.targetCache={},this.animComponent.rootBone?this.graph=this.animComponent.rootBone:this.graph=this.animComponent.entity;const e={},t=function(s){e[s.name]=s;for(let i=0;i<s.children.length;++i)t(s.children[i])};t(this.graph),this.nodes=e}}class rN{_name;_controller;_component;_weight;_blendType;_mask=null;_blendTime=0;_blendTimeElapsed=0;_startingWeight=0;_targetWeight=0;constructor(e,t,s,i=1,r=Mw){this._name=e,this._controller=t,this._component=s,this._weight=i,this._blendType=r}get name(){return this._name}set playing(e){this._controller.playing=e}get playing(){return this._controller.playing}get playable(){return this._controller.playable}get activeState(){return this._controller.activeStateName}get previousState(){return this._controller.previousStateName}get activeStateProgress(){return this._controller.activeStateProgress}get activeStateDuration(){return this._controller.activeStateDuration}set activeStateCurrentTime(e){const t=this._controller,s=t.playing;t.playing=!0,t.activeStateCurrentTime=e,s||t.update(0),t.playing=s}get activeStateCurrentTime(){return this._controller.activeStateCurrentTime}get transitioning(){return this._controller.transitioning}get transitionProgress(){return this.transitioning?this._controller.transitionProgress:null}get states(){return this._controller.states}set weight(e){this._weight=e,this._component.dirtifyTargets()}get weight(){return this._weight}set blendType(e){e!==this._blendType&&(this._blendType=e,this._controller.normalizeWeights&&this._component.rebind())}get blendType(){return this._blendType}set mask(e){this._controller.assignMask(e)&&this._component.rebind(),this._mask=e}get mask(){return this._mask}play(e){this._controller.play(e)}pause(){this._controller.pause()}reset(){this._controller.reset()}rebind(){this._controller.rebind()}update(e){this._blendTime&&(this._blendTimeElapsed<this._blendTime?(this.weight=H.lerp(this._startingWeight,this._targetWeight,this._blendTimeElapsed/this._blendTime),this._blendTimeElapsed+=e):(this.weight=this._targetWeight,this._blendTime=0,this._blendTimeElapsed=0,this._startingWeight=0,this._targetWeight=0)),this._controller.update(e)}blendToWeight(e,t){this._startingWeight=this.weight,this._targetWeight=e,this._blendTime=Math.max(0,t),this._blendTimeElapsed=0}assignAnimation(e,t,s,i){t instanceof Dr&&(this._controller.assignAnimation(e,t,s,i),this._controller._transitions.length===0&&this._controller._transitions.push(new vu({from:"START",to:e})),this._component.activate&&this._component.playable&&(this._component.playing=!0))}removeNodeAnimations(e){this._controller.removeNodeAnimations(e)&&(this._component.playing=!1)}getAnimationAsset(e){return this._component.animationAssets[`${this.name}:${e}`]}transition(e,t=0,s=null){this._controller.updateStateFromTransition(new vu({from:this._controller.activeStateName,to:e,time:t,transitionOffset:s}))}}class Md{constructor(e){if(this._layers=[],this._parameters={},Array.isArray(e.layers))this._layers=e.layers;else for(const t in e.layers){const s=e.layers[t],i={name:s.name,blendType:s.blendType,weight:s.weight,states:[],transitions:[]};for(let r=0;r<s.states.length;r++)i.states.push(e.states[s.states[r]]);for(let r=0;r<s.transitions.length;r++){const a=e.transitions[s.transitions[r]];if(a.conditions&&!Array.isArray(a.conditions)){const n=Object.keys(a.conditions),o=[];for(let c=0;c<n.length;c++){const h=a.conditions[n[c]];h.parameterName&&o.push(h)}a.conditions=o}Number.isInteger(a.from)&&(a.from=e.states[a.from].name),Number.isInteger(a.to)&&(a.to=e.states[a.to].name),i.transitions.push(a)}this._layers.push(i)}for(const t in e.parameters){const s=e.parameters[t];this._parameters[s.name]={type:s.type,value:s.value}}}get parameters(){return Object.assign({},this._parameters)}get layers(){return this._layers}}class Ow extends ye{_stateGraphAsset=null;_animationAssets={};_speed=1;_activate=!0;_playing=!1;_rootBone=null;_stateGraph=null;_layers=[];_layerIndices={};_parameters={};_targets={};_consumedTriggers=new Set;_normalizeWeights=!1;set stateGraphAsset(e){if(e===null){this.removeStateGraph();return}

11884this._stateGraphAsset&&this.system.app.assets.get(this._stateGraphAsset).off("change",this._onStateGraphAssetChangeEvent,this);let t,s;e instanceof pe?(t=e.id,s=this.system.app.assets.get(t),s||(this.system.app.assets.add(e),s=this.system.app.assets.get(t))):(t=e,s=this.system.app.assets.get(t)),!(!s||this._stateGraphAsset===t)&&(s.resource?(this._stateGraph=s.resource,this.loadStateGraph(this._stateGraph),s.on("change",this._onStateGraphAssetChangeEvent,this)):(s.once("load",i=>{this._stateGraph=i.resource,this.loadStateGraph(this._stateGraph)}),s.on("change",this._onStateGraphAssetChangeEvent,this),this.system.app.assets.load(s)),this._stateGraphAsset=t)}get stateGraphAsset(){return this._stateGraphAsset}set normalizeWeights(e){this._normalizeWeights=e,this.unbind()}get normalizeWeights(){return this._normalizeWeights}set animationAssets(e){this._animationAssets=e,this.loadAnimationAssets()}get animationAssets(){return this._animationAssets}set speed(e){this._speed=e}get speed(){return this._speed}set activate(e){this._activate=e}get activate(){return this._activate}set playing(e){this._playing=e}get playing(){return this._playing}set rootBone(e){if(typeof e=="string"){const t=this.entity.root.findByGuid(e);this._rootBone=t}else e instanceof lt?this._rootBone=e:this._rootBone=null;this.rebind()}get rootBone(){return this._rootBone}set stateGraph(e){this._stateGraph=e}get stateGraph(){return this._stateGraph}get layers(){return this._layers}set layerIndices(e){this._layerIndices=e}get layerIndices(){return this._layerIndices}set parameters(e){this._parameters=e}get parameters(){return this._parameters}set targets(e){this._targets=e}get targets(){return this._targets}get playable(){for(let e=0;e<this._layers.length;e++)if(!this._layers[e].playable)return!1;return!0}get baseLayer(){return this._layers.length>0?this._layers[0]:null}_onStateGraphAssetChangeEvent(e){const t=this.animationAssets,s=this.layers.map(i=>i.mask);this.removeStateGraph(),this._stateGraph=new Md(e._data),this.loadStateGraph(this._stateGraph),this.animationAssets=t,this.loadAnimationAssets(),this.layers.forEach((i,r)=>{i.mask=s[r]}),this.rebind()}dirtifyTargets(){const e=Object.values(this._targets);for(let t=0;t<e.length;t++)e[t].dirty=!0}_addLayer({name:e,states:t,transitions:s,weight:i,mask:r,blendType:a}){let n;this.rootBone?n=this.rootBone:n=this.entity;const o=this._layers.length,c=new nr(this,n,e,r,o),h=new Rw(c),d=new iN(h,t,s,this._activate,this,this.findParameter,this.consumeTrigger);return this._layers.push(new rN(e,d,this,i,a)),this._layerIndices[e]=o,this._layers[o]}addLayer(e,t,s,i){const r=this.findAnimationLayer(e);if(r)return r;const a=[{name:"START",speed:1}],n=[];return this._addLayer({name:e,states:a,transitions:n,weight:t,mask:s,blendType:i})}_assignParameters(e){this._parameters={};const t=Object.keys(e.parameters);for(let s=0;s<t.length;s++){const i=t[s];this._parameters[i]={type:e.parameters[i].type,value:e.parameters[i].value}}}loadStateGraph(e){this._stateGraph=e,this._assignParameters(e),this._layers=[];let t=!1;for(let s=0;s<e.layers.length;s++){const i=e.layers[s];this._addLayer({...i}),i.states.some(r=>r.blendTree)&&(t=!0)}t||this.setupAnimationAssets()}setupAnimationAssets(){for(let e=0;e<this._layers.length;e++){const t=this._layers[e],s=t.name;for(let i=0;i<t.states.length;i++){const r=t.states[i];if(gu.indexOf(r)===-1){const a=`${s}:${r}`;this._animationAssets[a]||(this._animationAssets[a]={asset:null})}}}this.loadAnimationAssets()}loadAnimationAssets(){for(let e=0;e<this._layers.length;e++){const t=this._layers[e];for(let s=0;s<t.states.length;s++){const i=t.states[s];if(gu.indexOf(i)!==-1)continue;const r=this._animationAssets[`${t.name}:${i}`];if(!r||!r.asset){this.findAnimationLayer(t.name).assignAnimation(i,Dr.EMPTY);continue}const a=r.asset,n=this.system.app.assets.get(a);n&&(n.resource?this.onAnimationAssetLoaded(t.name,i,n):(n.once("load",(function(o,c){return(function(h){this.onAnimationAssetLoaded(o,c,h)}).bind(this)}).bind(this)(t.name,i)),this.system.app.assets.load(n)))}}}onAnimationAssetLoaded(e,t,s){this.findAnimationLayer(e).assignAnimation(t,s.resource)}removeStateGraph(){this._stateGraph=null,this._stateGraphAsset=null,this._animationAssets={},this._layers=[],this._layerIndices={},this._parameters={},this._playing=!1,this.unbind(),this._targets={}}reset(){this._assignParameters(this._stateGraph);for(let e=0;e<this._layers.length;e++){const t=this._layers[e].playing;this._layers[e].reset(),this._layers[e].playing=t}}unbind(){this._normalizeWeights||Object.keys(this._targets).forEac

11884h(e=>{this._targets[e].unbind()})}rebind(){this._targets={};for(let e=0;e<this._layers.length;e++)this._layers[e].rebind()}findAnimationLayer(e){const t=this._layerIndices[e];return this._layers[t]||null}addAnimationState(e,t,s=1,i=!0,r="Base"){this._stateGraph||this.loadStateGraph(new Md({layers:[{name:r,states:[{name:"START",speed:1},{name:e,speed:s,loop:i,defaultState:!0}],transitions:[{from:"START",to:e}]}],parameters:{}}));const a=this.findAnimationLayer(r);a?a.assignAnimation(e,t,s,i):this.addLayer(r)?.assignAnimation(e,t,s,i)}assignAnimation(e,t,s,i=1,r=!0){if(!this._stateGraph&&e.indexOf(".")===-1){this.loadStateGraph(new Md({layers:[{name:"Base",states:[{name:"START",speed:1},{name:e,speed:i,loop:r,defaultState:!0}],transitions:[{from:"START",to:e}]}],parameters:{}})),this.baseLayer.assignAnimation(e,t);return}const a=s?this.findAnimationLayer(s):this.baseLayer;a&&a.assignAnimation(e,t,i,r)}removeNodeAnimations(e,t){const s=t?this.findAnimationLayer(t):this.baseLayer;s&&s.removeNodeAnimations(e)}getParameterValue(e,t){const s=this._parameters[e];if(s&&s.type===t)return s.value}setParameterValue(e,t,s){const i=this._parameters[e];if(i&&i.type===t){i.value=s;return}}findParameter=e=>this._parameters[e];consumeTrigger=e=>{this._consumedTriggers.add(e)};getFloat(e){return this.getParameterValue(e,By)}setFloat(e,t){this.setParameterValue(e,By,t)}getInteger(e){return this.getParameterValue(e,Oy)}setInteger(e,t){typeof t=="number"&&t%1===0&&this.setParameterValue(e,Oy,t)}getBoolean(e){return this.getParameterValue(e,Ny)}setBoolean(e,t){this.setParameterValue(e,Ny,!!t)}getTrigger(e){return this.getParameterValue(e,Dd)}setTrigger(e,t=!1){this.setParameterValue(e,Dd,!0),t&&this._consumedTriggers.add(e)}resetTrigger(e){this.setParameterValue(e,Dd,!1)}onBeforeRemove(){Number.isFinite(this._stateGraphAsset)&&this.system.app.assets.get(this._stateGraphAsset).off("change",this._onStateGraphAssetChangeEvent,this)}update(e){for(let t=0;t<this.layers.length;t++)this.layers[t].update(e*this.speed);this._consumedTriggers.forEach(t=>{this.parameters[t].value=!1}),this._consumedTriggers.clear()}resolveDuplicatedEntityReferenceProperties(e,t){e.rootBone&&t[e.rootBone.guid]?this.rootBone=t[e.rootBone.guid]:this.rebind()}}class aN{enabled=!0}const u_=["enabled"];class nN extends Tt{constructor(e){super(e),this.id="anim",this.ComponentType=Ow,this.DataType=aN,this.schema=u_,this.on("beforeremove",this.onBeforeRemove,this),this.app.systems.on("animationUpdate",this.onAnimationUpdate,this)}initializeComponentData(e,t,s){super.initializeComponentData(e,t,u_);const i=["animationAssets","stateGraph","layers","masks"];Object.keys(t).forEach(r=>{i.includes(r)||(e[r]=t[r])}),t.stateGraph&&(e.stateGraph=t.stateGraph,e.loadStateGraph(e.stateGraph)),t.layers&&t.layers.forEach((r,a)=>{r._controller.states.forEach(n=>{r._controller._states[n]._animationList.forEach(o=>{if(!o.animTrack||o.animTrack===Dr.EMPTY){const c=this.app.assets.get(r._component._animationAssets[`${r.name}:${o.name}`].asset);c&&!c.loaded&&c.once("load",()=>{e.layers[a].assignAnimation(o.name,c.resource)})}else e.layers[a].assignAnimation(o.name,o.animTrack)})})}),t.animationAssets&&(e.animationAssets=Object.assign(e.animationAssets,t.animationAssets)),t.masks&&Object.keys(t.masks).forEach(r=>{if(e.layers[r]){const a=t.masks[r].mask,n={};Object.keys(a).forEach(o=>{n[decodeURI(o)]=a[o]}),e.layers[r].mask=n}})}onAnimationUpdate(e){const t=this.store;for(const s in t)if(t.hasOwnProperty(s)){const i=t[s].entity.anim;i.data.enabled&&i.entity.enabled&&i.playing&&i.update(e)}}cloneComponent(e,t){let s;(!e.anim.rootBone||e.anim.rootBone===e)&&(s={},e.anim.layers.forEach((r,a)=>{if(r.mask){const n={};Object.keys(r.mask).forEach(o=>{const c=o.split("/");c.shift();const h=[t.name,...c].join("/");n[h]=r.mask[o]}),s[a]={mask:n}}}));const i={enabled:e.anim.enabled,stateGraphAsset:e.anim.stateGraphAsset,animationAssets:e.anim.animationAssets,speed:e.anim.speed,activate:e.anim.activate,playing:e.anim.playing,rootBone:e.anim.rootBone,stateGraph:e.anim.stateGraph,layers:e.anim.layers,layerIndices:e.anim.layerIndices,parameters:e.anim.parameters,normalizeWeights:e.anim.normalizeWeights,masks:s};return this.addComponent(t,i)}onBeforeRemove(e,t){t.onBeforeRemove()}destroy(){super.destroy(),this.app.systems.off("animationUpdate",this.onAnimationUpdate,this)}}ye._buildAccessors(Ow.prototype,u_);

11884class Bw extends ye{setCurrentListener(){if(this.enabled&&this.entity.audiolistener&&this.entity.enabled){this.system.current=this.entity;const e=this.system.current.getPosition();this.system.manager.listener.setPosition(e)}}onEnable(){this.setCurrentListener()}onDisable(){this.system.current===this.entity&&(this.system.current=null)}}class oN{enabled=!0}const Nw=["enabled"];class lN extends Tt{constructor(e){super(e),this.id="audiolistener",this.ComponentType=Bw,this.DataType=oN,this.schema=Nw,this.manager=e.soundManager,this.current=null,this.app.systems.on("update",this.onUpdate,this)}initializeComponentData(e,t,s){s=["enabled"],super.initializeComponentData(e,t,s)}onUpdate(e){if(this.current){const t=this.current.getPosition();this.manager.listener.setPosition(t);const s=this.current.getWorldTransform();this.manager.listener.setOrientation(s)}}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}ye._buildAccessors(Bw.prototype,Nw);const f_=0,Uy=1,Rd="group",p_="image",kw="text",Ld="stretch",cN="contain",hN="cover",Mt={DEFAULT:"DEFAULT",HOVER:"HOVER",PRESSED:"PRESSED",INACTIVE:"INACTIVE"},Zc={};Zc[Mt.DEFAULT]="_defaultTint";Zc[Mt.HOVER]="hoverTint";Zc[Mt.PRESSED]="pressedTint";Zc[Mt.INACTIVE]="inactiveTint";const Qc={};Qc[Mt.DEFAULT]="_defaultSpriteAsset";Qc[Mt.HOVER]="hoverSpriteAsset";Qc[Mt.PRESSED]="pressedSpriteAsset";Qc[Mt.INACTIVE]="inactiveSpriteAsset";const Jc={};Jc[Mt.DEFAULT]="_defaultSpriteFrame";Jc[Mt.HOVER]="hoverSpriteFrame";Jc[Mt.PRESSED]="pressedSpriteFrame";Jc[Mt.INACTIVE]="inactiveSpriteFrame";class dN extends ye{static EVENT_MOUSEDOWN="mousedown";static EVENT_MOUSEUP="mouseup";static EVENT_MOUSEENTER="mouseenter";static EVENT_MOUSELEAVE="mouseleave";static EVENT_CLICK="click";static EVENT_TOUCHSTART="touchstart";static EVENT_TOUCHEND="touchend";static EVENT_TOUCHCANCEL="touchcancel";static EVENT_TOUCHLEAVE="touchleave";static EVENT_SELECTSTART="selectstart";static EVENT_SELECTEND="selectend";static EVENT_SELECTENTER="selectenter";static EVENT_SELECTLEAVE="selectleave";static EVENT_HOVERSTART="hoverstart";static EVENT_HOVEREND="hoverend";static EVENT_PRESSEDSTART="pressedstart";static EVENT_PRESSEDEND="pressedend";_visualState=Mt.DEFAULT;_isHovering=!1;_hoveringCounter=0;_isPressed=!1;_defaultTint=new Q(1,1,1,1);_defaultSpriteAsset=null;_defaultSpriteFrame=0;_imageEntity=null;_evtElementAdd=null;_evtImageEntityElementAdd=null;_evtImageEntityElementRemove=null;_evtImageEntityElementColor=null;_evtImageEntityElementOpacity=null;_evtImageEntityElementSpriteAsset=null;_evtImageEntityElementSpriteFrame=null;constructor(e,t){super(e,t),this._toggleLifecycleListeners("on",e)}set enabled(e){this._setValue("enabled",e)}get enabled(){return this.data.enabled}set active(e){this._setValue("active",e)}get active(){return this.data.active}set imageEntity(e){if(this._imageEntity!==e){const t=typeof e=="string";if(this._imageEntity&&t&&this._imageEntity.guid===e)return;this._imageEntity&&this._imageEntityUnsubscribe(),e instanceof He?this._imageEntity=e:t?this._imageEntity=this.system.app.getEntityFromIndex(e)||null:this._imageEntity=null,this._imageEntity&&this._imageEntitySubscribe(),this._imageEntity?this.data.imageEntity=this._imageEntity.guid:t&&e&&(this.data.imageEntity=e)}}get imageEntity(){return this._imageEntity}set hitPadding(e){this._setValue("hitPadding",e)}get hitPadding(){return this.data.hitPadding}set transitionMode(e){this._setValue("transitionMode",e)}get transitionMode(){return this.data.transitionMode}set hoverTint(e){this._setValue("hoverTint",e)}get hoverTint(){return this.data.hoverTint}set pressedTint(e){this._setValue("pressedTint",e)}get pressedTint(){return this.data.pressedTint}set inactiveTint(e){this._setValue("inactiveTint",e)}get inactiveTint(){return this.data.inactiveTint}set fadeDuration(e){this._setValue("fadeDuration",e)}get fadeDuration(){return this.data.fadeDuration}set hoverSpriteAsset(e){this._setValue("hoverSpriteAsset",e)}get hoverSpriteAsset(){return this.data.hoverSpriteAsset}set hoverSpriteFrame(e){this._setValue("hoverSpriteFrame",e)}get hoverSpriteFrame(){return this.data.hoverSpriteFrame}set pressedSpriteAsset(e){this._setValue("pressedSpriteAsset",e)}get pressedSpriteAsset(){return this.data.pressedSpriteAsset}set pressedSpriteFrame(e){this._setValue("pressedSpriteFrame",e)}get pressedSpriteFrame(){return this.data.pressedSpriteFrame}set inactiveSpriteAsset(e){this._setValue("inactiveSpriteAsset",e)}get inactiveSpriteAsset(){return this.data.inactiveSpriteAsset}set inactiveSpriteFrame(e){this._setValue("inactiveSpriteFrame",e)}get inactiveSpriteFrame(){return this.data.inactiveSpriteFrame}_setValue(e,t){const s=this.data,i=s[e];s[e]=t,this.fire("set",e,i,t)}_toggleLifecycleListeners(e,t){this[e]("set_active",this._onSetActive,this),this[e]("set_transitionMode",this._onSetTransitionMode,this),this[e]("set_hoverTint",this._onSetTransitionValue,this),this[e]("set_pressedTint",this._onSetTransitionValue,this),this[e]("set_inactiveTint",this._onSetTransitionValue,this),this[e]("set_hoverSpriteAsset",this._onSetTransitionValue,this),this[e]("set_hoverSpriteFrame",this._onSetTransitionValue,this),this[e]("set_pressedSpriteAsset",this._onSetTransitionValue,this),this[e]("set_pressedSpriteFrame",this._onSetTransitionValue,this),this[e]("set_inactiveSpriteAsset",this._onSetTransitionValue,this),this[e]("set_inactiveSpriteFrame",this._onSetTransitionValue,this),e==="on"?this._evtElementAdd=this.entity.on("element:add",this._onElementComponentAdd,this):(this._evtElementAdd?.off(),this._evtElementAdd=null)}_onSetActive(e,t,s){t!==s&&this._updateVisualState()}_onSetTransitionMode(e,t,s){t!==s&&(this._cancelTween(),this._resetToDefaultVisualState(t),this._forceReapplyVisualState())}

11884_onSetTransitionValue(e,t,s){t!==s&&this._forceReapplyVisualState()}_imageEntitySubscribe(){this._evtImageEntityElementAdd=this._imageEntity.on("element:add",this._onImageElementGain,this),this._imageEntity.element&&this._onImageElementGain()}_imageEntityUnsubscribe(){this._evtImageEntityElementAdd?.off(),this._evtImageEntityElementAdd=null,this._imageEntity?.element&&this._onImageElementLose()}_imageEntityElementSubscribe(){const e=this._imageEntity.element;this._evtImageEntityElementRemove=e.once("beforeremove",this._onImageElementLose,this),this._evtImageEntityElementColor=e.on("set:color",this._onSetColor,this),this._evtImageEntityElementOpacity=e.on("set:opacity",this._onSetOpacity,this),this._evtImageEntityElementSpriteAsset=e.on("set:spriteAsset",this._onSetSpriteAsset,this),this._evtImageEntityElementSpriteFrame=e.on("set:spriteFrame",this._onSetSpriteFrame,this)}_imageEntityElementUnsubscribe(){this._evtImageEntityElementRemove?.off(),this._evtImageEntityElementRemove=null,this._evtImageEntityElementColor?.off(),this._evtImageEntityElementColor=null,this._evtImageEntityElementOpacity?.off(),this._evtImageEntityElementOpacity=null,this._evtImageEntityElementSpriteAsset?.off(),this._evtImageEntityElementSpriteAsset=null,this._evtImageEntityElementSpriteFrame?.off(),this._evtImageEntityElementSpriteFrame=null}_onElementComponentRemove(){this._toggleHitElementListeners("off")}_onElementComponentAdd(){this._toggleHitElementListeners("on")}_onImageElementLose(){this._imageEntityElementUnsubscribe(),this._cancelTween(),this._resetToDefaultVisualState(this.transitionMode)}_onImageElementGain(){this._imageEntityElementSubscribe(),this._storeDefaultVisualState(),this._forceReapplyVisualState()}_toggleHitElementListeners(e){if(this.entity.element){const t=e==="on";if(t&&this._hasHitElementListeners)return;this.entity.element[e]("beforeremove",this._onElementComponentRemove,this),this.entity.element[e]("mouseenter",this._onMouseEnter,this),this.entity.element[e]("mouseleave",this._onMouseLeave,this),this.entity.element[e]("mousedown",this._onMouseDown,this),this.entity.element[e]("mouseup",this._onMouseUp,this),this.entity.element[e]("touchstart",this._onTouchStart,this),this.entity.element[e]("touchend",this._onTouchEnd,this),this.entity.element[e]("touchleave",this._onTouchLeave,this),this.entity.element[e]("touchcancel",this._onTouchCancel,this),this.entity.element[e]("selectstart",this._onSelectStart,this),this.entity.element[e]("selectend",this._onSelectEnd,this),this.entity.element[e]("selectenter",this._onSelectEnter,this),this.entity.element[e]("selectleave",this._onSelectLeave,this),this.entity.element[e]("click",this._onClick,this),this._hasHitElementListeners=t}}_storeDefaultVisualState(){const e=this._imageEntity?.element;!e||e.type===Rd||(this._storeDefaultColor(e.color),this._storeDefaultOpacity(e.opacity),this._storeDefaultSpriteAsset(e.spriteAsset),this._storeDefaultSpriteFrame(e.spriteFrame))}_storeDefaultColor(e){this._defaultTint.r=e.r,this._defaultTint.g=e.g,this._defaultTint.b=e.b}_storeDefaultOpacity(e){this._defaultTint.a=e}_storeDefaultSpriteAsset(e){this._defaultSpriteAsset=e}_storeDefaultSpriteFrame(e){this._defaultSpriteFrame=e}_onSetColor(e){this._isApplyingTint||(this._storeDefaultColor(e),this._forceReapplyVisualState())}_onSetOpacity(e){this._isApplyingTint||(this._storeDefaultOpacity(e),this._forceReapplyVisualState())}_onSetSpriteAsset(e){this._isApplyingSprite||(this._storeDefaultSpriteAsset(e),this._forceReapplyVisualState())}_onSetSpriteFrame(e){this._isApplyingSprite||(this._storeDefaultSpriteFrame(e),this._forceReapplyVisualState())}_onMouseEnter(e){this._isHovering=!0,this._updateVisualState(),this._fireIfActive("mouseenter",e)}_onMouseLeave(e){this._isHovering=!1,this._isPressed=!1,this._updateVisualState(),this._fireIfActive("mouseleave",e)}_onMouseDown(e){this._isPressed=!0,this._updateVisualState(),this._fireIfActive("mousedown",e)}_onMouseUp(e){this._isPressed=!1,this._updateVisualState(),this._fireIfActive("mouseup",e)}_onTouchStart(e){this._isPressed=!0,this._updateVisualState(),this._fireIfActive("touchstart",e)}_onTouchEnd(e){e.event.preventDefault(),this._isPressed=!1,this._updateVisualState(),this._fireIfActive("touchend",e)}_onTouchLeave(e){this._isPressed=!1,this._updateVisualState(),this._fireIfActive("touchleave",e)}_onTouchCancel(e){this._isPressed=!1,this._updateVisualState(),this._fireIfActive("touchcancel",e)}_onSelectStart(e){this._isPressed=!0,this._updateVisualState(),this._fireIfActive("selectstart",e)}_onSelectEnd(e){this._isPressed=!1,this._updateVisualState(),this._fireIfActive("selectend",e)}_onSelectEnter(e){this._hoveringCounter++,this._hoveringCounter===1&&(this._isHovering=!0,this._updateVisualState()),this._fireIfActive("selectenter",e)}_onSelectLeave(e){this._hoveringCounter--,this._hoveringCounter===0&&(this._isHovering=!1,this._isPressed=!1,this._updateVisualState()),this._fireIfActive("selectleave",e)}_onClick(e){this._fireIfActive("click",e)}_fireIfActive(e,t){this.data.active&&this.fire(e,t)}_updateVisualState(e){const t=this._visualState,s=this._determineVisualState();if((t!==s||e)&&this.enabled)switch(this._visualState=s,t===Mt.HOVER&&this._fireIfActive("hoverend"),t===Mt.PRESSED&&this._fireIfActive("pressedend"),s===Mt.HOVER&&this._fireIfActive("hoverstart"),s===Mt.PRESSED&&this._fireIfActive("pressedstart"),this.transitionMode){case f_:{const i=Zc[this._visualState],r=this[i];this._applyTint(r);break}case Uy:{const i=Qc[this._visualState],r=Jc[this._visualState],a=this[i],n=this[r];this._applySprite(a,n);break}}}_forceReapplyVisualState(){this._updateVisualState(!0)}_resetToDefaultVisualState(e){if(this._imageEntity?.element)switch(e){case f_:this._cancelTween(),this._applyTintImmediately(this._defaultTint);break;case Uy:this._applySprite(this._defaultSpriteAsset,this._defaultSpriteFrame);break}}_determineVisualState(){if(this.active){if(this._isPressed)return Mt.PRESSED;if(this._isHovering)return Mt.HOVER}else return Mt.INACTIVE;return Mt.DEFAULT}_applySprite(e,t){const s=this._imageEntity?.element;s&&(t=t||0,this._isApplyingSprite=!0,s.spriteAsset!==e&&(s.spriteAsset=e),s.spriteFrame!==t&&(s.spriteFrame=t),this._isApplyingSprite=!1)}_applyTint(e){this._cancelTween(),this.fadeDuration===0?this._applyTintImmediately(e):this._applyTintWithTween(e)}_applyTintImmediately(e){const t=this._imageEntity?.element;if(!e||!t||t.type===Rd)return;const s=zy(e);this._isApplyingTint=!0,s.equals(t.color)||(t.color=s),t.opacity!==e.a&&(t.opacity=e.a),this._isApplyingTint=!1}_applyTintWithTween(e){const t=this._imageEntity?.element;if(!e||!t||t.type===Rd)return;const s=zy(e),i=t.color,r=t.opacity;s.equals(i)&&e.a===r||(this._tweenInfo={startTime:Gt(),from:new Q(i.r,i.g,i.b,r),to:e.clone(),lerpColor:new Q}

11884)}_updateTintTween(){const e=Gt()-this._tweenInfo.startTime;let t=this.fadeDuration===0?1:e/this.fadeDuration;if(t=H.clamp(t,0,1),Math.abs(t-1)>1e-5){const s=this._tweenInfo.lerpColor;s.lerp(this._tweenInfo.from,this._tweenInfo.to,t),this._applyTintImmediately(new Q(s.r,s.g,s.b,s.a))}else this._applyTintImmediately(this._tweenInfo.to),this._cancelTween()}_cancelTween(){delete this._tweenInfo}onUpdate(){this._tweenInfo&&this._updateTintTween()}onEnable(){this._isHovering=!1,this._hoveringCounter=0,this._isPressed=!1,this._toggleHitElementListeners("on"),this._forceReapplyVisualState()}onDisable(){this._toggleHitElementListeners("off"),this._resetToDefaultVisualState(this.transitionMode)}onRemove(){this._imageEntityUnsubscribe(),this._toggleLifecycleListeners("off",this.system),this.onDisable()}resolveDuplicatedEntityReferenceProperties(e,t){e.imageEntity&&(this.imageEntity=t[e.imageEntity.guid])}}function zy(l){return new Q(l.r,l.g,l.b)}class uN{enabled=!0;active=!0;imageEntity=null;hitPadding=new ie;transitionMode=f_;hoverTint=new Q(.75,.75,.75);pressedTint=new Q(.5,.5,.5);inactiveTint=new Q(.25,.25,.25);fadeDuration=0;hoverSpriteAsset=null;hoverSpriteFrame=0;pressedSpriteAsset=null;pressedSpriteFrame=0;inactiveSpriteAsset=null;inactiveSpriteFrame=0}const Vy=["enabled","active",{name:"hitPadding",type:"vec4"},"transitionMode",{name:"hoverTint",type:"rgba"},{name:"pressedTint",type:"rgba"},{name:"inactiveTint",type:"rgba"},"fadeDuration","hoverSpriteAsset","hoverSpriteFrame","pressedSpriteAsset","pressedSpriteFrame","inactiveSpriteAsset","inactiveSpriteFrame"];class fN extends Tt{constructor(e){super(e),this.id="button",this.ComponentType=dN,this.DataType=uN,this.schema=Vy,this.on("beforeremove",this._onRemoveComponent,this),this.app.systems.on("update",this.onUpdate,this)}initializeComponentData(e,t,s){e.imageEntity=t.imageEntity,super.initializeComponentData(e,t,Vy)}onUpdate(e){const t=this.store;for(const s in t){const i=t[s].entity,r=i.button;r.enabled&&i.enabled&&r.onUpdate()}}_onRemoveComponent(e,t){t.onRemove()}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}const Gy=new E,Hy=new ae;class pN extends ye{static EVENT_CONTACT="contact";static EVENT_COLLISIONSTART="collisionstart";static EVENT_COLLISIONEND="collisionend";static EVENT_TRIGGERENTER="triggerenter";static EVENT_TRIGGERLEAVE="triggerleave";_compoundParent=null;_hasOffset=!1;constructor(e,t){super(e,t),this.entity.on("insert",this._onInsert,this),this.on("set_type",this.onSetType,this),this.on("set_convexHull",this.onSetModel,this),this.on("set_halfExtents",this.onSetHalfExtents,this),this.on("set_linearOffset",this.onSetOffset,this),this.on("set_angularOffset",this.onSetOffset,this),this.on("set_radius",this.onSetRadius,this),this.on("set_height",this.onSetHeight,this),this.on("set_axis",this.onSetAxis,this),this.on("set_asset",this.onSetAsset,this),this.on("set_renderAsset",this.onSetRenderAsset,this),this.on("set_model",this.onSetModel,this),this.on("set_render",this.onSetRender,this)}set enabled(e){this._setValue("enabled",e)}get enabled(){return this.data.enabled}set type(e){this._setValue("type",e)}get type(){return this.data.type}set halfExtents(e){this._setValue("halfExtents",e)}get halfExtents(){return this.data.halfExtents}set linearOffset(e){this._setValue("linearOffset",e)}get linearOffset(){return this.data.linearOffset}set angularOffset(e){this._setValue("angularOffset",e)}get angularOffset(){return this.data.angularOffset}set radius(e){this._setValue("radius",e)}get radius(){return this.data.radius}set axis(e){this._setValue("axis",e)}get axis(){return this.data.axis}set height(e){this._setValue("height",e)}get height(){return this.data.height}set asset(e){this._setValue("asset",e)}get asset(){return this.data.asset}set renderAsset(e){this._setValue("renderAsset",e)}get renderAsset(){return this.data.renderAsset}set convexHull(e){this._setValue("convexHull",e)}get convexHull(){return this.data.convexHull}set shape(e){this._setValue("shape",e)}get shape(){return this.data.shape}set model(e){this._setValue("model",e)}get model(){return this.data.model}set render(e){this._setValue("render",e)}get render(){return this.data.render}set checkVertexDuplicates(e){this._setValue("checkVertexDuplicates",e)}get checkVertexDuplicates(){return this.data.checkVertexDuplicates}_setValue(e,t){const s=this.data,i=s[e];s[e]=t,this.fire("set",e,i,t)}onSetType(e,t,s){t!==s&&this.system.changeType(this,t,s)}onSetHalfExtents(e,t,s){const i=this.data.type;this.data.initialized&&i==="box"&&this.system.recreatePhysicalShapes(this)}onSetOffset(e,t,s){this._hasOffset=!this.data.linearOffset.equals(E.ZERO)||!this.data.angularOffset.equals(ae.IDENTITY),this.data.initialized&&this.system.recreatePhysicalShapes(this)}onSetRadius(e,t,s){const i=this.data.type;this.data.initialized&&(i==="sphere"||i==="capsule"||i==="cylinder"||i==="cone")&&this.system.recreatePhysicalShapes(this)}

11884onSetHeight(e,t,s){const i=this.data.type;this.data.initialized&&(i==="capsule"||i==="cylinder"||i==="cone")&&this.system.recreatePhysicalShapes(this)}onSetAxis(e,t,s){const i=this.data.type;this.data.initialized&&(i==="capsule"||i==="cylinder"||i==="cone")&&this.system.recreatePhysicalShapes(this)}onSetAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&r.off("remove",this.onAssetRemoved,this)}if(s){s instanceof pe&&(this.data.asset=s.id);const r=i.get(this.data.asset);r&&(r.off("remove",this.onAssetRemoved,this),r.on("remove",this.onAssetRemoved,this))}this.data.initialized&&this.data.type==="mesh"&&(s||(this.data.model=null),this.system.recreatePhysicalShapes(this))}onSetRenderAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&r.off("remove",this.onRenderAssetRemoved,this)}if(s){s instanceof pe&&(this.data.renderAsset=s.id);const r=i.get(this.data.renderAsset);r&&(r.off("remove",this.onRenderAssetRemoved,this),r.on("remove",this.onRenderAssetRemoved,this))}this.data.initialized&&this.data.type==="mesh"&&(s||(this.data.render=null),this.system.recreatePhysicalShapes(this))}onSetModel(e,t,s){this.data.initialized&&this.data.type==="mesh"&&this.system.implementations.mesh.doRecreatePhysicalShape(this)}onSetRender(e,t,s){this.onSetModel(e,t,s)}onAssetRemoved(e){e.off("remove",this.onAssetRemoved,this),this.data.asset===e.id&&(this.asset=null)}onRenderAssetRemoved(e){e.off("remove",this.onRenderAssetRemoved,this),this.data.renderAsset===e.id&&(this.renderAsset=null)}getCompoundChildShapeIndex(e){const t=this.data.shape,s=t.getNumChildShapes();for(let i=0;i<s;i++){const r=t.getChildShape(i);if(Ammo.getPointer(r)===Ammo.getPointer(e))return i}return null}_onInsert(e){if(!(typeof Ammo>"u")){if(this._compoundParent)this.system.recreatePhysicalShapes(this);else if(!this.entity.rigidbody){let t=this.entity.parent;for(;t;){if(t.collision&&t.collision.type==="compound"){t.collision.shape.getNumChildShapes()===0?this.system.recreatePhysicalShapes(t.collision):this.system.recreatePhysicalShapes(this);break}t=t.parent}}}}_updateCompound(){const e=this.entity;if(e._dirtyWorld){let t=e._dirtyLocal,s=e;for(;s&&!t&&!(s.collision&&s.collision===this._compoundParent);)s._dirtyLocal&&(t=!0),s=s.parent;if(t){e.forEach(this.system.implementations.compound._updateEachDescendantTransform,e);const i=this._compoundParent.entity.rigidbody;i&&i.activate()}}}getShapePosition(){const e=this.entity.getPosition();if(this._hasOffset){const t=this.entity.getRotation(),s=this.data.linearOffset;return Hy.copy(t).transformVector(s,Gy),Gy.add(e)}return e}getShapeRotation(){const e=this.entity.getRotation();return this._hasOffset?Hy.copy(e).mul(this.data.angularOffset):e}onEnable(){if(this.data.type==="mesh"&&(this.data.asset||this.data.renderAsset)&&this.data.initialized){const e=this.system.app.assets.get(this.data.asset||this.data.renderAsset);if(e&&(!e.resource||!this.data.shape)){this.system.recreatePhysicalShapes(this);return}}if(this.entity.rigidbody)this.entity.rigidbody.enabled&&this.entity.rigidbody.enableSimulation();else if(this._compoundParent&&this!==this._compoundParent)if(this._compoundParent.shape.getNumChildShapes()===0)this.system.recreatePhysicalShapes(this._compoundParent);else{const e=this.system._getNodeTransform(this.entity,this._compoundParent.entity);this._compoundParent.shape.addChildShape(e,this.data.shape),Ammo.destroy(e),this._compoundParent.entity.rigidbody&&this._compoundParent.entity.rigidbody.activate()}else this.entity.trigger&&this.entity.trigger.enable()}onDisable(){this.entity.rigidbody?this.entity.rigidbody.disableSimulation():this._compoundParent&&this!==this._compoundParent?this._compoundParent.entity._destroying||(this.system._removeCompoundChild(this._compoundParent,this.data.shape),this._compoundParent.entity.rigidbody&&this._compoundParent.entity.rigidbody.activate()):this.entity.trigger&&this.entity.trigger.disable()}onBeforeRemove(){this.asset&&(this.asset=null),this.renderAsset&&(this.renderAsset=null),this.entity.off("insert",this._onInsert,this),this.off()}}class mN{enabled=!0;type="box";halfExtents=new E(.5,.5,.5);linearOffset=new E;angularOffset=new ae;radius=.5;axis=1;height=2;convexHull=!1;asset=null;renderAsset=null;checkVertexDuplicates=!0;shape=null;model=null;render=null;initialized=!1}const El="static",li="dynamic",Xn="kinematic",_N=2,Ul=4,m_=1,Wy=4,Uw=5,gN=1,Xy=2,vN=4,Yy=16,jy=65535,__=65533;let ci,Ra,Yn;class zw{constructor(e,t,s){this.entity=t.entity,this.component=t,this.app=e,typeof Ammo<"u"&&!ci&&(ci=new Ammo.btVector3,Ra=new Ammo.btQuaternion,Yn=new Ammo.btTransform),this.initialize(s)}initialize(e){const t=this.entity,s=e.shape;if(s&&typeof Ammo<"u"){t.trigger&&t.trigger.destroy();const i=1,r=this.component;if(r){const n=r.getShapePosition(),o=r.getShapeRotation();ci.setValue(n.x,n.y,n.z),Ra.setValue(o.x,o.y,o.z,o.w)}else{const n=t.getPosition(),o=t.getRotation();ci.setValue(n.x,n.y,n.z),Ra.setValue(o.x,o.y,o.z,o.w)}Yn.setOrigin(ci),Yn.setRotation(Ra);const a=this.app.systems.rigidbody.createBody(i,s,Yn);a.setRestitution(0),a.setFriction(0),a.setDamping(0,0),ci.setValue(0,0,0),a.setLinearFactor(ci),a.setAngularFactor(ci),a.setCollisionFlags(a.getCollisionFlags()|Ul),a.entity=t,this.body=a,this.component.enabled&&t.enabled&&this.enable()}}destroy(){this.body&&(this.disable(),this.app.systems.rigidbody.destroyBody(this.body),this.body=null)}_getEntityTransform(e){const t=this.component;if(t){const s=t.getShapePosition(),i=t.getShapeRotation();ci.setValue(s.x,s.y,s.z),Ra.setValue(i.x,i.y,i.z,i.w)}else{const s=this.entity.getPosition(),i=this.entity.getRotation();ci.setValue(s.x,s.y,s.z),Ra.setValue(i.x,i.y,i.z,i.w)}e.setOrigin(ci),e.setRotation(Ra)}updateTransform(){this._getEntityTransform(Yn);const e=this.body;e.setWorldTransform(Yn),e.activate()}enable(){const e=this.body;if(!e)return;const t=this.app.systems.rigidbody;t._triggers.indexOf(this)<0&&(t.addBody(e,Yy,__^Yy),t._triggers.push(this)),e.forceActivationState(m_),this.updateTransform()}disable(){const e=this.body;if(!e)return;const t=this.app.systems.rigidbody,s=t._triggers.indexOf(this);s>-1&&(t.removeBody(e),t._triggers.splice(s,1)),e.forceActivationState(Uw)}}const Jh=new Z,SN=new E,yN=new E,La=new ae,qy=new He,xN=["enabled","type","halfExtents","linearOffset","angularOffset","radius","axis","height","convexHull","asset","renderAsset","shape","model","render","checkVertexDuplicates"];class xn{constructor(e){this.system=e}beforeInitialize(e,t){t.shape=null,t.model=new pa,t.model.graph=new He}afterInitialize(e,t){this.recreatePhysicalShapes(e),e.data.initialized=!0}reset(e,t){this.beforeInitialize(e,t),this.afterInitialize(e,t)}recreatePhysicalShapes(e){const t=e.entity,s=e.data;if(typeof Ammo<"u"){t.trigger&&(t.trigger.destroy(),delete t.trigger),s.shape&&(e._compoundParent&&(e!==e._compoundParent&&this.system._removeCompoundChild(e._compoundParent,s.shape),e._compoundParent.entity.rigidbody&&e._compoundParent.entity.rigidbody.activate()),this.destroyShape(s)),s.shape=this.createPhysicalShape(e.entity,s);const i=!e._compoundParent;if(s.type==="compound"&&(!e._compoundParent||e===e._compoundParent))e._

11884compoundParent=e,t.forEach(this._addEachDescendant,e);else if(s.type!=="compound"&&!e.rigidbody){e._compoundParent=null;let r=t.parent;for(;r;){if(r.collision&&r.collision.type==="compound"){e._compoundParent=r.collision;break}r=r.parent}}e._compoundParent&&e!==e._compoundParent&&(i&&e._compoundParent.shape.getNumChildShapes()===0?this.system.recreatePhysicalShapes(e._compoundParent):(this.system.updateCompoundChildTransform(t,!0),e._compoundParent.entity.rigidbody&&e._compoundParent.entity.rigidbody.activate())),t.rigidbody?(t.rigidbody.disableSimulation(),t.rigidbody.createBody(),t.enabled&&t.rigidbody.enabled&&t.rigidbody.enableSimulation()):e._compoundParent||(t.trigger?t.trigger.initialize(s):t.trigger=new zw(this.system.app,e,s))}}createPhysicalShape(e,t){}updateTransform(e,t,s,i){e.entity.trigger&&e.entity.trigger.updateTransform()}destroyShape(e){e.shape&&(Ammo.destroy(e.shape),e.shape=null)}beforeRemove(e,t){t.data.shape&&(t._compoundParent&&!t._compoundParent.entity._destroying&&(this.system._removeCompoundChild(t._compoundParent,t.data.shape),t._compoundParent.entity.rigidbody&&t._compoundParent.entity.rigidbody.activate()),t._compoundParent=null,this.destroyShape(t.data))}remove(e,t){e.rigidbody&&e.rigidbody.body&&e.rigidbody.disableSimulation(),e.trigger&&(e.trigger.destroy(),delete e.trigger)}clone(e,t){const s=this.system.store[e.guid],i={enabled:s.data.enabled,type:s.data.type,halfExtents:[s.data.halfExtents.x,s.data.halfExtents.y,s.data.halfExtents.z],linearOffset:[s.data.linearOffset.x,s.data.linearOffset.y,s.data.linearOffset.z],angularOffset:[s.data.angularOffset.x,s.data.angularOffset.y,s.data.angularOffset.z,s.data.angularOffset.w],radius:s.data.radius,axis:s.data.axis,height:s.data.height,convexHull:s.data.convexHull,asset:s.data.asset,renderAsset:s.data.renderAsset,model:s.data.model,render:s.data.render,checkVertexDuplicates:s.data.checkVertexDuplicates};return this.system.addComponent(t,i)}}class TN extends xn{createPhysicalShape(e,t){if(typeof Ammo<"u"){const s=t.halfExtents,i=new Ammo.btVector3(s?s.x:.5,s?s.y:.5,s?s.z:.5),r=new Ammo.btBoxShape(i);return Ammo.destroy(i),r}}}class wN extends xn{createPhysicalShape(e,t){if(typeof Ammo<"u")return new Ammo.btSphereShape(t.radius)}}class CN extends xn{createPhysicalShape(e,t){const s=t.axis??1,i=t.radius??.5,r=Math.max((t.height??2)-2*i,0);let a=null;if(typeof Ammo<"u")switch(s){case 0:a=new Ammo.btCapsuleShapeX(i,r);break;case 1:a=new Ammo.btCapsuleShape(i,r);break;case 2:a=new Ammo.btCapsuleShapeZ(i,r);break}return a}}class EN extends xn{createPhysicalShape(e,t){const s=t.axis??1,i=t.radius??.5,r=t.height??1;let a=null,n=null;if(typeof Ammo<"u")switch(s){case 0:a=new Ammo.btVector3(r*.5,i,i),n=new Ammo.btCylinderShapeX(a);break;case 1:a=new Ammo.btVector3(i,r*.5,i),n=new Ammo.btCylinderShape(a);break;case 2:a=new Ammo.btVector3(i,i,r*.5),n=new Ammo.btCylinderShapeZ(a);break}return a&&Ammo.destroy(a),n}}class bN extends xn{createPhysicalShape(e,t){const s=t.axis??1,i=t.radius??.5,r=t.height??1;let a=null;if(typeof Ammo<"u")switch(s){case 0:a=new Ammo.btConeShapeX(i,r);break;case 1:a=new Ammo.btConeShape(i,r);break;case 2:a=new Ammo.btConeShapeZ(i,r);break}return a}}class AN extends xn{beforeInitialize(e,t){}createAmmoHull(e,t,s,i){const r=new Ammo.btConvexHullShape,a=new Ammo.btVector3,n=[];e.getPositions(n);for(let c=0;c<n.length;c+=3)a.setValue(n[c]*i.x,n[c+1]*i.y,n[c+2]*i.z),r.addPoint(a,!1);Ammo.destroy(a),r.recalcLocalAabb(),r.setMargin(.01);const o=this.system._getNodeTransform(t);s.addChildShape(o,r),Ammo.destroy(o)}createAmmoMesh(e,t,s,i,r=!0){const a=this.system;let n;if(a._triMeshCache[e.id])n=a._triMeshCache[e.id];else{const h=e.vertexBuffer,d=h.getFormat();let u,f;for(let P=0;P<d.elements.length;P++){const L=d.elements[P];if(L.name===Ie){f=new Float32Array(h.lock(),L.offset),u=L.stride/4;break}}const p=[];e.getIndices(p);const m=e.primitive[0].count/3,_=new Ammo.btVector3;let g,v,x;const y=e.primitive[0].base;n=new Ammo.btTriangleMesh,a._triMeshCache[e.id]=n;const S=new Map,T=n.getIndexedMeshArray();T.at(0).m_numTriangles=m;const w=i?i.x:1,C=i?i.y:1,b=i?i.z:1,I=P=>{const L=f[P*u]*w,O=f[P*u+1]*C,D=f[P*u+2]*b;let N;if(r){const k=`${L}:${O}:${D}`;if(N=S.get(k),N!==void 0)return N;_.setValue(L,O,D),N=n.findOrAddVertex(_,!1),S.set(k,N)}else _.setValue(L,O,D),N=n.findOrAddVertex(_,!1);return N};for(let P=0;P<m;

11884P++)g=I(p[y+P*3]),v=I(p[y+P*3+1]),x=I(p[y+P*3+2]),n.addIndex(g),n.addIndex(v),n.addIndex(x);Ammo.destroy(_)}const o=new Ammo.btBvhTriangleMeshShape(n,!0);if(!i){const h=a._getNodeScaling(t);o.setLocalScaling(h),Ammo.destroy(h)}const c=a._getNodeTransform(t);s.addChildShape(c,o),Ammo.destroy(c)}createPhysicalShape(e,t){if(!(typeof Ammo>"u")&&(t.model||t.render)){const s=new Ammo.btCompoundShape,r=e.getWorldTransform().getScale();if(t.render){const a=t.render.meshes;for(let n=0;n<a.length;n++)t.convexHull?this.createAmmoHull(a[n],qy,s,r):this.createAmmoMesh(a[n],qy,s,r,t.checkVertexDuplicates)}else if(t.model){const a=t.model.meshInstances;for(let o=0;o<a.length;o++)this.createAmmoMesh(a[o].mesh,a[o].node,s,null,t.checkVertexDuplicates);const n=new Ammo.btVector3(r.x,r.y,r.z);s.setLocalScaling(n),Ammo.destroy(n)}return s}}recreatePhysicalShapes(e){const t=e.data;if((t.renderAsset||t.asset)&&e.enabled&&e.entity.enabled){this.loadAsset(e,t.renderAsset||t.asset,t.renderAsset?"render":"model");return}this.doRecreatePhysicalShape(e)}loadAsset(e,t,s){const i=e.data,r=this.system.app.assets,a=i[s],n=h=>{i[s]===a&&(i[s]=h.resource,this.doRecreatePhysicalShape(e))},o=h=>{h.ready(d=>{if(d.data.containerAsset){const u=r.get(d.data.containerAsset);u.loaded?n(d):(u.ready(()=>{n(d)}),r.load(u))}else n(d)}),r.load(h)},c=r.get(t);c?o(c):r.once(`add:${t}`,o)}doRecreatePhysicalShape(e){const t=e.entity,s=e.data;s.model||s.render?(this.destroyShape(s),s.shape=this.createPhysicalShape(t,s),t.rigidbody?(t.rigidbody.disableSimulation(),t.rigidbody.createBody(),t.enabled&&t.rigidbody.enabled&&t.rigidbody.enableSimulation()):t.trigger?t.trigger.initialize(s):t.trigger=new zw(this.system.app,e,s)):(this.beforeRemove(t,e),this.remove(t,s))}updateTransform(e,t,s,i){if(e.shape){const a=e.entity.getWorldTransform().getScale(),n=e.shape.getLocalScaling();(a.x!==n.x()||a.y!==n.y()||a.z!==n.z())&&this.doRecreatePhysicalShape(e)}super.updateTransform(e,t,s,i)}destroyShape(e){if(!e.shape)return;const t=e.shape.getNumChildShapes();for(let s=0;s<t;s++){const i=e.shape.getChildShape(s);Ammo.destroy(i)}Ammo.destroy(e.shape),e.shape=null}}class PN extends xn{createPhysicalShape(e,t){if(typeof Ammo<"u")return new Ammo.btCompoundShape}_addEachDescendant(e){!e.collision||e.rigidbody||(e.collision._compoundParent=this,e!==this.entity&&e.collision.system.recreatePhysicalShapes(e.collision))}_updateEachDescendant(e){e.collision&&e.collision._compoundParent===this&&(e.collision._compoundParent=null,e!==this.entity&&!e.rigidbody&&e.collision.system.recreatePhysicalShapes(e.collision))}_updateEachDescendantTransform(e){!e.collision||e.collision._compoundParent!==this.collision._compoundParent||this.collision.system.updateCompoundChildTransform(e,!1)}}class IN extends Tt{constructor(e){super(e),this.id="collision",this.ComponentType=pN,this.DataType=mN,this.schema=xN,this.implementations={},this._triMeshCache={},this.on("beforeremove",this.onBeforeRemove,this),this.on("remove",this.onRemove,this)}initializeComponentData(e,t,s){s=["type","halfExtents","radius","axis","height","convexHull","shape","model","asset","render","renderAsset","enabled","linearOffset","angularOffset","checkVertexDuplicates"];const i={};for(let n=0,o=s.length;n<o;n++){const c=s[n];i[c]=t[c]}let r;if(t.hasOwnProperty("asset")?(r=s.indexOf("model"),r!==-1&&s.splice(r,1),r=s.indexOf("render"),r!==-1&&s.splice(r,1)):t.hasOwnProperty("model")&&(r=s.indexOf("asset"),r!==-1&&s.splice(r,1)),i.type||(i.type=e.data.type),e.data.type=i.type,Array.isArray(i.halfExtents)&&(i.halfExtents=new E(i.halfExtents)),Array.isArray(i.linearOffset)&&(i.linearOffset=new E(i.linearOffset)),Array.isArray(i.angularOffset)){const n=i.angularOffset;n.length===3?i.angularOffset=new ae().setFromEulerAngles(n[0],n[1],n[2]):i.angularOffset=new ae(i.angularOffset)}const a=this._createImplementation(i.type);a.beforeInitialize(e,i),super.initializeComponentData(e,i,s),a.afterInitialize(e,i)}_createImplementation(e){if(this.implementations[e]===void 0){let t;switch(e){case"box":t=new TN(this);break;case"sphere":t=new wN(this);break;case"capsule":t=new CN(this);break;case"cylinder":t=new EN(this);break;case"cone":t=new bN(this);break;

11884case"mesh":t=new AN(this);break;case"compound":t=new PN(this);break}this.implementations[e]=t}return this.implementations[e]}_getImplementation(e){return this.implementations[e.collision.data.type]}cloneComponent(e,t){return this._getImplementation(e).clone(e,t)}onBeforeRemove(e,t){this.implementations[t.data.type].beforeRemove(e,t),t.onBeforeRemove()}onRemove(e,t){this.implementations[t.type].remove(e,t)}updateCompoundChildTransform(e,t){const s=e.collision._compoundParent;if(s!==e.collision&&e.enabled&&e.collision.enabled&&(e._dirtyLocal||t)){const i=this._getNodeTransform(e,s.entity),r=s.getCompoundChildShapeIndex(e.collision.shape);r===null?s.shape.addChildShape(i,e.collision.data.shape):s.shape.updateChildTransform(r,i,!0),Ammo.destroy(i)}}_removeCompoundChild(e,t){if(e.shape.getNumChildShapes()!==0)if(e.shape.removeChildShape)e.shape.removeChildShape(t);else{const s=e.getCompoundChildShapeIndex(t);s!==null&&e.shape.removeChildShapeByIndex(s)}}onTransformChanged(e,t,s,i){this.implementations[e.data.type].updateTransform(e,t,s,i)}changeType(e,t,s){this.implementations[t].beforeRemove(e.entity,e),this.implementations[t].remove(e.entity,e.data),this._createImplementation(s).reset(e,e.data)}recreatePhysicalShapes(e){this.implementations[e.data.type].recreatePhysicalShapes(e)}_calculateNodeRelativeTransform(e,t){if(e===t){const s=e.getWorldTransform().getScale();Jh.setScale(s.x,s.y,s.z)}else this._calculateNodeRelativeTransform(e.parent,t),Jh.mul(e.getLocalTransform())}_getNodeScaling(e){const s=e.getWorldTransform().getScale();return new Ammo.btVector3(s.x,s.y,s.z)}_getNodeTransform(e,t){let s,i;t?(this._calculateNodeRelativeTransform(e,t),s=SN,i=La,Jh.getTranslation(s),i.setFromMat4(Jh)):(s=e.getPosition(),i=e.getRotation());const r=new Ammo.btQuaternion,a=new Ammo.btTransform;a.setIdentity();const n=a.getOrigin(),o=e.collision;if(o&&o._hasOffset){const c=o.data.linearOffset,h=o.data.angularOffset,d=yN;La.copy(i).transformVector(c,d),d.add(s),La.copy(i).mul(h),n.setValue(d.x,d.y,d.z),r.setValue(La.x,La.y,La.z,La.w)}else n.setValue(s.x,s.y,s.z),r.setValue(i.x,i.y,i.z,i.w);return a.setRotation(r),Ammo.destroy(r),a}destroy(){for(const e in this._triMeshCache)Ammo.destroy(this._triMeshCache[e]);this._triMeshCache=null,super.destroy()}}const ed=new Q,DN=new Jt;class MN{constructor(e,t,s){this._entity=e,this._element=e.element,this.model=new pa,this.node=new He,this.model.graph=this.node,this.mesh=t,this.meshInstance=new Ne(this.mesh,s,this.node),this.meshInstance.name=`ImageElement: ${e.name}`,this.meshInstance.castShadow=!1,this.meshInstance.receiveShadow=!1,this._meshDirty=!1,this.model.meshInstances.push(this.meshInstance),this._entity.addChild(this.model.graph),this.model._entity=this._entity,this.unmaskMeshInstance=null}destroy(){this.setMaterial(null),this._element.removeModelFromLayers(this.model),this.model.destroy(),this.model=null,this.node=null,this.mesh=null,this.meshInstance?.destroy(),this.meshInstance=null,this.unmaskMeshInstance?.destroy(),this.unmaskMeshInstance=null,this._entity=null,this._element=null}setMesh(e){this.meshInstance&&(this.mesh=e,this.meshInstance.mesh=e,this.meshInstance.visible=!!e,this.unmaskMeshInstance&&(this.unmaskMeshInstance.mesh=e),this.forceUpdateAabb())}setMask(e){if(this.meshInstance){if(this._entity.enabled&&this._element.enabled&&this._element.removeModelFromLayers(this.model),e){this.unmaskMeshInstance=new Ne(this.mesh,this.meshInstance.material,this.node),this.unmaskMeshInstance.name=`Unmask: ${this._entity.name}`,this.unmaskMeshInstance.castShadow=!1,this.unmaskMeshInstance.receiveShadow=!1,this.unmaskMeshInstance.pick=!1,this.model.meshInstances.push(this.unmaskMeshInstance);for(const t in this.meshInstance.parameters)this.unmaskMeshInstance.setParameter(t,this.meshInstance.parameters[t].data)}else{const t=this.model.meshInstances.indexOf(this.unmaskMeshInstance);t>=0&&this.model.meshInstances.splice(t,1)}this._entity.enabled&&this._element.enabled&&this._element.addModelToLayers(this.model),e||(this.unmaskMeshInstance?.destroy(),this.unmaskMeshInstance=null)}}setMaterial(e){this.meshInstance&&(this.meshInstance.material=e,this.unmaskMeshInstance&&(this.unmaskMeshInstance.material=e))}setParameter(e,t){this.meshInstance&&(this.meshInstance.setParameter(e,t),this.unmaskMeshInstance&&this.unmaskMeshInstance.setParameter(e,t))}deleteParameter(e){this.meshInstance&&(this.meshInstance.deleteParameter(e),this.unmaskMeshInstance&&this.unmaskMeshInstance.deleteParameter(e))}setUnmaskDrawOrder(){if(!this.meshInstance)return;const e=function(t){let s;const i=t.children,r=i.length;if(r){for(let n=0;n<r;n++)i[n].element&&(s=i[n]);if(!s)return null;const a=e(s);return a||s}return null};if(this.unmaskMeshInstance){const t=e(this._entity);t&&t.element?this.unmaskMeshInstance.drawOrder=t.element.drawOrder+t.element.getMaskOffset():this.unmaskMeshInstance.drawOrder=this.meshInstance.drawOrder+this._element.getMaskOffset()}}setDrawOrder(e){this.meshInstance&&(this.meshInstance.drawOrder=e)}setCull(e){if(!this.meshInstance)return;const t=this._element;let s=null;e&&t._isScreenSpace()&&(s=function(i){return t.isVisibleForCamera(i)}),this.meshInstance.cull=e,this.meshInstance.isVisibleFunc=s,this.unmaskMeshInstance&&(this.unmaskMeshInstance.cull=e,this.unmaskMeshInstance.isVisibleFunc=s)}setScreenSpace(e){this.meshInstance&&(this.meshInstance.screenSpace=e,this.unmaskMeshInstance&&(this.unmaskMeshInstance.screenSpace=e))}setLayer(e){this.meshInstance&&(this.meshInstance.layer=e,this.unmaskMeshInstance&&(this.unmaskMeshInstance.layer=e))}forceUpdateAabb(e){this.meshInstance&&(this.meshInstance._aabbVer=-1,this.unmaskMeshInstance&&(this.unmaskMeshInstance._aabbVer=-1))}setAabbFunc(e){this.meshInstance&&(this.meshInstance._updateAabbFunc=e,this.unmaskMeshInstance&&(this.unmaskMeshInstance._updateAabbFunc=e))}}class RN{_evtSetMeshes=null;constructor(e){this._element=e,this._entity=e.entity,this._system=e.system,this._textureAsset=null,this._texture=null,this._materialAsset=null,this._material=null,this._spriteAsset=null,this._sprite=null,this._spriteFrame=0,this._pixelsPerUnit=null,this._targetAspectRatio=-1,this._rect=new ie(0,0,1,1),this._mask=!1,this._maskRef=0,this._outerScale=new j,this._outerScaleUniform=new Float32Array(2),this._innerOffset=new ie,this._innerOffsetUniform=new Float32Array(4),this._atlasRect=new ie,this._atlasRectUniform=new Float32Array(4),this._defaultMesh=this._createMesh(),this._renderable=new MN(this._entity,this._defaultMesh,this._material),this._color=new Q(1,1,1,1),this._colorUniform=new Float32Array([1,1,1]),this._updateRenderableEmissive(),this._renderable.setParameter("material_opacity",1),this._updateAabbFunc=this._updateAabb.bind(this),this._onScreenChange(this._element.screen),this._element.on("resize",this._onParentResizeOrPivotChange,this),this._element.on("set:pivot",this._onParentResizeOrPivotChange,this),this._element.on("screen:set:screenspace",this._onScreenSpaceChange,this),this._element.on("set:screen",this._onScreenChange,this),this._element.on("set:draworder",this._onDrawOrderChange,this),this._element.on("screen:set:resolution",this._onRes

11884olutionChange,this),!e._beingInitialized&&e.enabled&&e.entity.enabled&&this.onEnable()}destroy(){this.textureAsset=null,this.spriteAsset=null,this.materialAsset=null,this._renderable.setMesh(this._defaultMesh),this._renderable.destroy(),this._defaultMesh=null,this._element.off("resize",this._onParentResizeOrPivotChange,this),this._element.off("set:pivot",this._onParentResizeOrPivotChange,this),this._element.off("screen:set:screenspace",this._onScreenSpaceChange,this),this._element.off("set:screen",this._onScreenChange,this),this._element.off("set:draworder",this._onDrawOrderChange,this),this._element.off("screen:set:resolution",this._onResolutionChange,this)}_onResolutionChange(e){}_onParentResizeOrPivotChange(){this._renderable.mesh&&this._updateMesh(this._renderable.mesh)}_onScreenSpaceChange(e){this._updateMaterial(e)}_onScreenChange(e,t){e?this._updateMaterial(e.screen.screenSpace):this._updateMaterial(!1)}_onDrawOrderChange(e){this._renderable.setDrawOrder(e),this.mask&&this._element.screen&&this._element.screen.screen.once("syncdraworder",function(){this._renderable.setUnmaskDrawOrder()},this)}_hasUserMaterial(){return!!this._materialAsset||!!this._material&&this._system.defaultImageMaterials.indexOf(this._material)===-1}_use9Slicing(){return this.sprite&&(this.sprite.renderMode===kt||this.sprite.renderMode===Ut)}_updateMaterial(e){const t=!!this._mask,s=!!(this.sprite&&this.sprite.renderMode===kt),i=!!(this.sprite&&this.sprite.renderMode===Ut);this._hasUserMaterial()||(this._material=this._system.getImageElementMaterial(e,t,s,i)),this._renderable&&(this._renderable.setCull(!this._element._isScreenSpace()||this._element._isScreenCulled()),this._renderable.setMaterial(this._material),this._renderable.setScreenSpace(e),this._renderable.setLayer(e?fI:fT))}_createMesh(){const e=this._element,t=e.calculatedWidth,s=e.calculatedHeight,i=this._rect,r=this._system.app.graphicsDevice,a=new Float32Array([t,0,0,0,0,1,i.x+i.z,1-i.y,t,s,0,0,0,1,i.x+i.z,1-(i.y+i.w),0,0,0,0,0,1,i.x,1-i.y,0,s,0,0,0,1,i.x,1-(i.y+i.w)]),n=DN.get(r,()=>new Us(r,[{semantic:Ie,components:3,type:je},{semantic:Cs,components:3,type:je},{semantic:Zs,components:2,type:je}])),o=new Hi(r,n,4,{data:a.buffer}),c=new at(r);return c.vertexBuffer=o,c.primitive[0].type=Tr,c.primitive[0].base=0,c.primitive[0].count=4,c.primitive[0].indexed=!1,c.aabb.setMinMax(E.ZERO,new E(t,s,0)),this._updateMesh(c),c}_updateMesh(e){const t=this._element;let s=t.calculatedWidth,i=t.calculatedHeight;if(t.fitMode!==Ld&&this._targetAspectRatio>0){const a=t.calculatedWidth/t.calculatedHeight;t.fitMode===cN&&a>this._targetAspectRatio||t.fitMode===hN&&a<this._targetAspectRatio?s=t.calculatedHeight*this._targetAspectRatio:i=t.calculatedWidth/this._targetAspectRatio}const r=t._isScreenSpace();if(this._updateMaterial(r),this._renderable&&this._renderable.forceUpdateAabb(),this.sprite&&(this.sprite.renderMode===kt||this.sprite.renderMode===Ut)){const a=this._sprite.atlas.frames[this._sprite.frameKeys[this._spriteFrame]],n=2/a.rect.z,o=2/a.rect.w;this._innerOffset.set(a.border.x*n,a.border.y*o,a.border.z*n,a.border.w*o);const c=this.sprite.atlas.texture;this._atlasRect.set(a.rect.x/c.width,a.rect.y/c.height,a.rect.z/c.width,a.rect.w/c.height);const h=this._pixelsPerUnit!==null?this._pixelsPerUnit:this.sprite.pixelsPerUnit,d=a.rect.z/h,u=a.rect.w/h;this._outerScale.set(Math.max(s,this._innerOffset.x*d),Math.max(i,this._innerOffset.y*u));let f=d,p=u;this._outerScale.x/=d,this._outerScale.y/=u,f*=H.clamp(s/(this._innerOffset.x*d),1e-4,1),p*=H.clamp(i/(this._innerOffset.y*u),1e-4,1),this._renderable&&(this._innerOffsetUniform[0]=this._innerOffset.x,this._innerOffsetUniform[1]=this._innerOffset.y,this._innerOffsetUniform[2]=this._innerOffset.z,this._innerOffsetUniform[3]=this._innerOffset.w,this._renderable.setParameter("innerOffset",this._innerOffsetUniform),this._atlasRectUniform[0]=this._atlasRect.x,this._atlasRectUniform[1]=this._atlasRect.y,this._atlasRectUniform[2]=this._atlasRect.z,this._atlasRectUniform[3]=this._atlasRect.w,this._renderable.setParameter("atlasRect",this._atlasRectUniform),this._outerScaleUniform[0]=this._outerScale.x,this._outerScaleUniform[1]=this._outerScale.y,this._renderable.setParameter("outerScale",this._outerScaleUniform),this._renderable.setAabbFunc(this._updateAabbFunc),this._renderable.node.setLocalScale(f,p,1),this._renderable.node.setLocalPosition((.5-t.pivot.x)*s,(.5-t.pivot.y)*i,0))}else{const a=e.vertexBuffer,n=new Float32Array(a.lock()),o=t.pivot.x,c=t.pivot.y;n[0]=s-o*s,n[1]=0-c*i,n[8]=s-o*s,n[9]=i-c*i,n[16]=0-o*s,n[17]=0-c*i,n[24]=0-o*s,n[25]=i-c*i;let h=1,d=1,u=this._rect;if(this._sprite&&this._sprite.frameKeys[this._spriteFrame]&&this._sprite.atlas){const m=this._sprite.atlas.frames[this._sprite.frameKeys[this._spriteFrame]];m&&(u=m.rect,h=this._sprite.atlas.texture.width,d=this._sprite.atlas.texture.height)}n[6]=(u.x+u.z)/h,n[7]=1-u.y/d,n[14]=(u.x+u.z)/h,n[15]=1-(u.y+u.w

11884)/d,n[22]=u.x/h,n[23]=1-u.y/d,n[30]=u.x/h,n[31]=1-(u.y+u.w)/d,a.unlock();const f=new E(0-o*s,0-c*i,0),p=new E(s-o*s,i-c*i,0);e.aabb.setMinMax(f,p),this._renderable&&(this._renderable.node.setLocalScale(1,1,1),this._renderable.node.setLocalPosition(0,0,0),this._renderable.setAabbFunc(null))}this._meshDirty=!1}_updateSprite(){let e=!1,t=null;if(this._targetAspectRatio=-1,this._sprite&&this._sprite.atlas){t=this._sprite.meshes[this.spriteFrame],e=this._sprite.renderMode===kt||this._sprite.renderMode===Ut;const s=this._sprite.atlas.frames[this._sprite.frameKeys[this._spriteFrame]];s?.rect.w>0&&(this._targetAspectRatio=s.rect.z/s.rect.w)}this.mesh=e?t:this._defaultMesh,this.refreshMesh()}refreshMesh(){this.mesh&&(this._element._beingInitialized?this._meshDirty=!0:this._updateMesh(this.mesh))}_updateAabb(e){return e.center.set(0,0,0),e.halfExtents.set(this._outerScale.x*.5,this._outerScale.y*.5,.001),e.setFromTransformedAabb(e,this._renderable.node.getWorldTransform()),e}_toggleMask(){this._element._dirtifyMask();const e=this._element._isScreenSpace();this._updateMaterial(e),this._renderable.setMask(!!this._mask)}_onMaterialLoad(e){this.material=e.resource}_onMaterialAdded(e){this._system.app.assets.off(`add:${e.id}`,this._onMaterialAdded,this),this._materialAsset===e.id&&this._bindMaterialAsset(e)}_bindMaterialAsset(e){this._entity.enabled&&(e.on("load",this._onMaterialLoad,this),e.on("change",this._onMaterialChange,this),e.on("remove",this._onMaterialRemove,this),e.resource?this._onMaterialLoad(e):this._system.app.assets.load(e))}_unbindMaterialAsset(e){e.off("load",this._onMaterialLoad,this),e.off("change",this._onMaterialChange,this),e.off("remove",this._onMaterialRemove,this)}_onMaterialChange(){}_onMaterialRemove(){}_onTextureAdded(e){this._system.app.assets.off(`add:${e.id}`,this._onTextureAdded,this),this._textureAsset===e.id&&this._bindTextureAsset(e)}_bindTextureAsset(e){this._entity.enabled&&(e.on("load",this._onTextureLoad,this),e.on("change",this._onTextureChange,this),e.on("remove",this._onTextureRemove,this),e.resource?this._onTextureLoad(e):this._system.app.assets.load(e))}_unbindTextureAsset(e){e.off("load",this._onTextureLoad,this),e.off("change",this._onTextureChange,this),e.off("remove",this._onTextureRemove,this)}_onTextureLoad(e){this.texture=e.resource}_onTextureChange(e){}_onTextureRemove(e){}_onSpriteAssetAdded(e){this._system.app.assets.off(`add:${e.id}`,this._onSpriteAssetAdded,this),this._spriteAsset===e.id&&this._bindSpriteAsset(e)}_bindSpriteAsset(e){this._entity.enabled&&(e.on("load",this._onSpriteAssetLoad,this),e.on("change",this._onSpriteAssetChange,this),e.on("remove",this._onSpriteAssetRemove,this),e.resource?this._onSpriteAssetLoad(e):this._system.app.assets.load(e))}_unbindSpriteAsset(e){e.off("load",this._onSpriteAssetLoad,this),e.off("change",this._onSpriteAssetChange,this),e.off("remove",this._onSpriteAssetRemove,this),e.data.textureAtlasAsset&&this._system.app.assets.off(`load:${e.data.textureAtlasAsset}`,this._onTextureAtlasLoad,this)}_onSpriteAssetLoad(e){if(!e||!e.resource)this.sprite=null;else if(e.resource.atlas)this.sprite=e.resource;else{const t=e.data.textureAtlasAsset;if(t){const s=this._system.app.assets;s.off(`load:${t}`,this._onTextureAtlasLoad,this),s.once(`load:${t}`,this._onTextureAtlasLoad,this)}}}_onSpriteAssetChange(e){this._onSpriteAssetLoad(e)}_onSpriteAssetRemove(e){}_bindSprite(e){this._evtSetMeshes=e.on("set:meshes",this._onSpriteMeshesChange,this),e.on("set:pixelsPerUnit",this._onSpritePpuChange,this),e.on("set:atlas",this._onAtlasTextureChange,this),e.atlas&&e.atlas.on("set:texture",this._onAtlasTextureChange,this)}_unbindSprite(e){this._evtSetMeshes?.off(),this._evtSetMeshes=null,e.off("set:pixelsPerUnit",this._onSpritePpuChange,this),e.off("set:atlas",this._onAtlasTextureChange,this),e.atlas&&e.atlas.off("set:texture",this._onAtlasTextureChange,this)}_onSpriteMeshesChange(){this._sprite&&(this._spriteFrame=H.clamp(this._spriteFrame,0,this._sprite.frameKeys.length-1)),this._updateSprite()}_onSpritePpuChange(){this.sprite.renderMode!==Fi&&this._pixelsPerUnit===null&&this._updateSprite()}_onAtlasTextureChange(){this.sprite&&this.sprite.atlas&&this.sprite.atlas.texture?(this._renderable.setParameter("texture_emissiveMap",this._sprite.atlas.texture),this._renderable.setParameter("texture_opacityMap",this._sprite.atlas.texture)):(this._renderable.deleteParameter("texture_emissiveMap"),this._renderable.deleteParameter("texture_opacityMap"))}_onTextureAtlasLoad(e){const t=this._spriteAsset;t instanceof pe?this._onSpriteAssetLoad(t):this._onSpriteAssetLoad(this._system.a

11884pp.assets.get(t))}onEnable(){if(this._materialAsset){const e=this._system.app.assets.get(this._materialAsset);e&&e.resource!==this._material&&this._bindMaterialAsset(e)}if(this._textureAsset){const e=this._system.app.assets.get(this._textureAsset);e&&e.resource!==this._texture&&this._bindTextureAsset(e)}if(this._spriteAsset){const e=this._system.app.assets.get(this._spriteAsset);e&&e.resource!==this._sprite&&this._bindSpriteAsset(e)}this._element.addModelToLayers(this._renderable.model)}onDisable(){this._element.removeModelFromLayers(this._renderable.model)}_setStencil(e){this._renderable.meshInstance.stencilFront=e,this._renderable.meshInstance.stencilBack=e;let t=0;if(this._element.maskedBy&&(t=this._element.maskedBy.element._image._maskRef),this._renderable.unmaskMeshInstance){const s=new $s({ref:t+1,func:Wd,zpass:tb});this._renderable.unmaskMeshInstance.stencilFront=s,this._renderable.unmaskMeshInstance.stencilBack=s}}_updateRenderableEmissive(){ed.linear(this._color),this._colorUniform[0]=ed.r,this._colorUniform[1]=ed.g,this._colorUniform[2]=ed.b,this._renderable.setParameter("material_emissive",this._colorUniform)}set color(e){const{r:t,g:s,b:i}=e;(this._color.r!==t||this._color.g!==s||this._color.b!==i)&&(this._color.r=t,this._color.g=s,this._color.b=i,this._updateRenderableEmissive()),this._element&&this._element.fire("set:color",this._color)}get color(){return this._color}set opacity(e){e!==this._color.a&&(this._color.a=e,this._renderable.setParameter("material_opacity",e)),this._element&&this._element.fire("set:opacity",e)}get opacity(){return this._color.a}set rect(e){let t,s,i,r;e instanceof ie?(t=e.x,s=e.y,i=e.z,r=e.w):(t=e[0],s=e[1],i=e[2],r=e[3]),!(t===this._rect.x&&s===this._rect.y&&i===this._rect.z&&r===this._rect.w)&&(this._rect.set(t,s,i,r),this._renderable.mesh&&(this._element._beingInitialized?this._meshDirty=!0:this._updateMesh(this._renderable.mesh)))}get rect(){return this._rect}_removeMaterialAssetEvents(){if(this._materialAsset){const e=this._system.app.assets;e.off(`add:${this._materialAsset}`,this._onMaterialAdded,this);const t=e.get(this._materialAsset);t&&(t.off("load",this._onMaterialLoad,this),t.off("change",this._onMaterialChange,this),t.off("remove",this._onMaterialRemove,this))}}set material(e){if(this._material!==e){if(!e){const t=this._element._isScreenSpace();this.mask?e=t?this._system.defaultScreenSpaceImageMaskMaterial:this._system.defaultImageMaskMaterial:e=t?this._system.defaultScreenSpaceImageMaterial:this._system.defaultImageMaterial}if(this._material=e,this._materialAsset){const t=this._system.app.assets.get(this._materialAsset);(!t||t.resource!==e)&&(this._removeMaterialAssetEvents(),this._materialAsset=null)}e&&(this._renderable.setMaterial(e),this._hasUserMaterial()?(this._renderable.deleteParameter("material_opacity"),this._renderable.deleteParameter("material_emissive")):(this._updateRenderableEmissive(),this._renderable.setParameter("material_opacity",this._color.a)))}}get material(){return this._material}set materialAsset(e){const t=this._system.app.assets;let s=e;if(e instanceof pe&&(s=e.id),this._materialAsset!==s)if(this._removeMaterialAssetEvents(),this._materialAsset=s,this._materialAsset){const i=t.get(this._materialAsset);i?this._bindMaterialAsset(i):(this._materialAsset=null,this.material=null,this._materialAsset=s,t.on(`add:${this._materialAsset}`,this._onMaterialAdded,this))}else this._materialAsset=null,this.material=null,this._materialAsset=s}get materialAsset(){return this._materialAsset}set texture(e){if(this._texture!==e){if(this._textureAsset){const t=this._system.app.assets.get(this._textureAsset);t&&t.resource!==e&&(this.textureAsset=null)}if(this._texture=e,e){this._spriteAsset&&(this.spriteAsset=null),this._renderable.setParameter("texture_emissiveMap",this._texture),this._renderable.setParameter("texture_opacityMap",this._texture),this._updateRenderableEmissive(),this._renderable.setParameter("material_opacity",this._color.a);const t=this._texture.width/this._texture.height;t!==this._targetAspectRatio&&(this._targetAspectRatio=t,this._element.fitMode!==Ld&&this.refreshMesh())}else this._renderable.deleteParameter("texture_emissiveMap"),this._renderable.deleteParameter("texture_opacityMap"),this._targetAspectRatio=-1,this._element.fitMode!==Ld&&this.refreshMesh()}}get texture(){return this._texture}

11884set textureAsset(e){const t=this._system.app.assets;let s=e;if(e instanceof pe&&(s=e.id),this._textureAsset!==s){if(this._textureAsset){t.off(`add:${this._textureAsset}`,this._onTextureAdded,this);const i=t.get(this._textureAsset);i&&(i.off("load",this._onTextureLoad,this),i.off("change",this._onTextureChange,this),i.off("remove",this._onTextureRemove,this))}if(this._textureAsset=s,this._textureAsset){const i=t.get(this._textureAsset);i?this._bindTextureAsset(i):(this.texture=null,t.on(`add:${this._textureAsset}`,this._onTextureAdded,this))}else this.texture=null}}get textureAsset(){return this._textureAsset}set spriteAsset(e){const t=this._system.app.assets;let s=e;if(e instanceof pe&&(s=e.id),this._spriteAsset!==s){if(this._spriteAsset){t.off(`add:${this._spriteAsset}`,this._onSpriteAssetAdded,this);const i=t.get(this._spriteAsset);i&&this._unbindSpriteAsset(i)}if(this._spriteAsset=s,this._spriteAsset){const i=t.get(this._spriteAsset);i?this._bindSpriteAsset(i):(this.sprite=null,t.on(`add:${this._spriteAsset}`,this._onSpriteAssetAdded,this))}else this.sprite=null}this._element&&this._element.fire("set:spriteAsset",s)}get spriteAsset(){return this._spriteAsset}set sprite(e){if(this._sprite!==e){if(this._sprite&&this._unbindSprite(this._sprite),this._spriteAsset){const t=this._system.app.assets.get(this._spriteAsset);t&&t.resource!==e&&(this.spriteAsset=null)}this._sprite=e,this._sprite&&(this._bindSprite(this._sprite),this._textureAsset&&(this.textureAsset=null)),this._sprite&&this._sprite.atlas&&this._sprite.atlas.texture?(this._renderable.setParameter("texture_emissiveMap",this._sprite.atlas.texture),this._renderable.setParameter("texture_opacityMap",this._sprite.atlas.texture)):(this._renderable.deleteParameter("texture_emissiveMap"),this._renderable.deleteParameter("texture_opacityMap")),this._sprite&&(this._spriteFrame=H.clamp(this._spriteFrame,0,this._sprite.frameKeys.length-1)),this._updateSprite()}}get sprite(){return this._sprite}set spriteFrame(e){const t=this._spriteFrame;this._sprite?this._spriteFrame=H.clamp(e,0,this._sprite.frameKeys.length-1):this._spriteFrame=e,this._spriteFrame!==t&&this._updateSprite(),this._element&&this._element.fire("set:spriteFrame",e)}get spriteFrame(){return this._spriteFrame}set mesh(e){this._renderable.setMesh(e),this._defaultMesh===e?this._renderable.setAabbFunc(null):this._renderable.setAabbFunc(this._updateAabbFunc)}get mesh(){return this._renderable.mesh}set mask(e){this._mask!==e&&(this._mask=e,this._toggleMask())}get mask(){return this._mask}set pixelsPerUnit(e){this._pixelsPerUnit!==e&&(this._pixelsPerUnit=e,this._sprite&&(this._sprite.renderMode===kt||this._sprite.renderMode===Ut)&&this._updateSprite())}get pixelsPerUnit(){return this._pixelsPerUnit}get aabb(){return this._renderable.meshInstance?this._renderable.meshInstance.aabb:null}}class LN extends ge{constructor(e){super(),this._app=e,e.i18n.on(fn.EVENT_CHANGE,this._onSetLocale,this),this._autoLoad=!1,this._disableLocalization=!1,this._defaultAsset=null,this._localizedAsset=null}set defaultAsset(e){const t=e instanceof pe?e.id:e;this._defaultAsset!==t&&(this._defaultAsset&&this._unbindDefaultAsset(),this._defaultAsset=t,this._defaultAsset&&this._bindDefaultAsset(),this._onSetLocale(this._app.i18n.locale))}get defaultAsset(){return this._defaultAsset}set localizedAsset(e){const t=e instanceof pe?e.id:e;this._localizedAsset!==t&&(this._localizedAsset&&(this._app.assets.off(`add:${this._localizedAsset}`,this._onLocalizedAssetAdd,this),this._unbindLocalizedAsset()),this._localizedAsset=t,this._localizedAsset&&(this._app.assets.get(this._localizedAsset)?this._bindLocalizedAsset():this._app.assets.once(`add:${this._localizedAsset}`,this._onLocalizedAssetAdd,this)))}get localizedAsset(){return this._localizedAsset}set autoLoad(e){this._autoLoad!==e&&(this._autoLoad=e,this._autoLoad&&this._localizedAsset&&(this._unbindLocalizedAsset(),this._bindLocalizedAsset()))}get autoLoad(){return this._autoLoad}set disableLocalization(e){this._disableLocalization!==e&&(this._disableLocalization=e,this._onSetLocale(this._app.i18n.locale))}get disableLocalization(){return this._disableLocalization}_bindDefaultAsset(){const e=this._app.assets.get(this._defaultAsset);e?this._onDefaultAssetAdd(e):this._app.assets.once(`add:${this._defaultAsset}`,this._onDefaultAssetAdd,this)}_unbindDefaultAsset(){if(!this._defaultAsset)return;this._app.assets.off(`add:${this._defaultAsset}`,this._onDefaultAssetAdd,this);const e=this._app.assets.get(this._defaultAsset);e&&(e.off("add:localized",this._onLocaleAdd,this),e.off("remove:localized",this._onLocaleRemove,this),e.off("remove",this._onDefaultAssetRemove,this))}_onDefaultAssetAdd(e){this._defaultAsset===e.id&&(e.on("add:localized",this._onLocaleAdd,this),e.on("remove:localized",this._onLocaleRemove,this),e.once("remove",this._onDefaultAssetRemove,this))}_onDefaultAssetRemove(e){this._defaultAsset===e.id&&(e.off("add:localized",this._onLocaleAdd,this),e.off("remove:localized",this._onLocaleAdd,this),this._app.assets.once(`add:${this._defaultAsset}`,this._onDefaultAssetAdd,this))}_bindLocalizedAsset(){if(!this._autoLoad)return;const e=this._app.assets.get(this._localizedAsset);e&&(e.on("load",this._onLocalizedAssetLoad,this),e.on("change",this._onLocalizedAssetChange,this),e.on("remove",this._onLocalizedAssetRemove,this),e.resource?this._onLocalizedAssetLoad(e):this._app.assets.load(e))}_unbindLocalizedAsset(){const e=this._app.assets.get(this._localizedAsset);e&&(e.off("load",this._onLocalizedAssetLoad,this),e.off("change",this._onLocalizedAssetChange,this),e.off("remove",this._onLocalizedAssetRemove,this))}_onLocalizedAssetAdd(e){this._localizedAsset===e.id&&this._bindLocalizedAsset()}_onLocalizedAssetLoad(e){this.fire("load",e)}_onLocalizedAssetChange(e,t,s,i){this.fire("change",e,t,s,i)}_onLocalizedAssetRemove(e){this._localizedAsset===e.id&&(this.localizedAsset=this._defaultAsset),this.fire("remove",e)}_onLocaleAdd(e,t){this._app.i18n.locale===e&&this._onSetLocale(e)}_onLocaleRemove(e,t){this._app.i18n.locale===e&&this._onSetLocale(e)}_onSetLocale(e){if(!this._defaultAsset){this.localizedAsset=null;return}const t=this._app.assets.get(this._defaultAsset);if(!t||this._disableLocalization){this.localizedAsset=this._defaultAsset;return}const s=t.getLocalizedAssetId(e);if(!s){this.localizedAsset=this._defaultAsset;return}this.localizedAsset=s}destroy(){this.defaultAsset=null,this._app.i18n.off(fn.EVENT_CHANGE,this._onSetLocale,this),this.off()}}const Su="msdf",FN="bitmap",zl=0,oo=1,g_=2,Vw=3,v_=4,S_=5,y_=6,x_=7,$y=8,ON=` 	

11885\r\v\f`,BN=/[\w|/]/;class NN{constructor(e){this._symbols=e,this._index=0,this._last=0,this._cur=this._symbols.length>0?this._symbols[0]:null,this._buf=[],this._mode="text",this._error=null}read(){let e=this._read();for(;e===$y;)e=this._read();return e!==zl&&e!==oo&&(this._last=this._index),e}buf(){return this._buf}last(){return this._last}error(){return this._error}debugPrint(){const e=["EOF","ERROR","TEXT","OPEN_BRACKET","CLOSE_BRACKET","EQUALS","STRING","IDENTIFIER","WHITESPACE"];let t=this.read(),s="";for(;s+=`${(s.length>0?`
11886`:"")+e[t]} '${this.buf().join("")}'`,!(t===zl||t===oo);)t=this.read();return s}_read(){return this._buf=[],this._eof()?zl:this._mode==="text"?this._text():this._tag()}_text(){for(;;)switch(this._cur){case null:return this._buf.length>0?g_:zl;case"[":return this._mode="tag",this._buf.length>0?g_:this._tag();case"\\":this._next(),this._cur==="["?this._store():this._output("\\");break;default:this._store();break}}_tag(){switch(this._cur){case null:return this._error="unexpected end of input reading tag",oo;case"[":return this._store(),Vw;case"]":return this._store(),this._mode="text",v_;case"=":return this._store(),S_;case" ":case"	":case`
11887`:case"\r":case"\v":case"\f":return this._whitespace();case'"':return this._string();default:return this._isIdentifierSymbol(this._cur)?this._identifier():(this._error="unrecognized character",oo)}}_whitespace(){for(this._store();ON.indexOf(this._cur)!==-1;)this._store();return $y}_string(){for(this._next();;)switch(this._cur){case null:return this._error="unexpected end of input reading string",oo;case'"':return this._next(),y_;default:this._store();break}}_identifier(){for(this._store();this._cur!==null&&this._isIdentifierSymbol(this._cur);)this._store();return x_}_isIdentifierSymbol(e){return e.length===1&&e.match(BN)!==null}_eof(){return this._cur===null}_next(){return this._eof()||(this._index++,this._cur=this._index<this._symbols.length?this._symbols[this._index]:null),this._cur}_store(){return this._buf.push(this._cur),this._next()}_output(e){this._buf.push(e)}}class kN{constructor(e){this._scanner=new NN(e),this._error=null}parse(e,t){for(;;)switch(this._scanner.read()){case zl:return!0;case oo:return!1;case g_:Array.prototype.push.apply(e,this._scanner.buf());break;case Vw:if(!this._parseTag(e,t))return!1;break;default:return!1}}error(){return`Error evaluating markup at #${this._scanner.last().toString()} (${this._scanner.error()||this._error})`}_parseTag(e,t){let s=this._scanner.read();if(s!==x_)return this._error="expected identifier",!1;const i=this._scanner.buf().join("");if(i[0]==="/"){for(let a=t.length-1;a>=0;--a)if(i===`/${t[a].name}`&&t[a].end===null)return t[a].end=e.length,s=this._scanner.read(),s!==v_?(this._error="expected close bracket",!1):!0;return this._error="failed to find matching tag",!1}const r={name:i,value:null,attributes:{},start:e.length,end:null};if(s=this._scanner.read(),s===S_){if(s=this._scanner.read(),s!==y_)return this._error="expected string",!1;r.value=this._scanner.buf().join(""),s=this._scanner.read()}for(;;){switch(s){case v_:return t.push(r),!0;case x_:{const a=this._scanner.buf().join("");if(s=this._scanner.read(),s!==S_)return this._error="expected equals",!1;if(s=this._scanner.read(),s!==y_)return this._error="expected string",!1;const n=this._scanner.buf().join("");r.attributes[a]=n;break}default:return this._error="expected close bracket or identifier",!1}s=this._scanner.read()}}}function Gw(l,e){for(const t in e){if(!e.hasOwnProperty(t))continue;const s=e[t];s instanceof Object?(l.hasOwnProperty(t)||(l[t]={}),Gw(l[t],e[t])):l[t]=s}}function UN(l){if(l.length===0)return null;const e={};for(let t=0;t<l.length;++t){const s=l[t],i={};i[s.name]={value:s.value,attributes:s.attributes},Gw(e,i)}return e}function zN(l,e){if(l.length===0)return null;const t={};for(let h=0;h<l.length;++h){const d=l[h];t.hasOwnProperty(d.start)?t[d.start].open===null?t[d.start].open=[d]:t[d.start].open.push(d):t[d.start]={open:[d],close:null},t.hasOwnProperty(d.end)?t[d.end].close===null?t[d.end].close=[d]:t[d.end].close.push(d):t[d.end]={open:null,close:[d]}}let s=[];function i(h){s=s.filter(d=>h.find(u=>u===d)===void 0)}function r(h){for(let d=0;d<h.length;++d)s.push(h[d])}const a=Object.keys(t).sort((h,d)=>h-d),n=[];for(let h=0;h<a.length;++h){const d=t[a[h]];d.close!==null&&i(d.close),d.open!==null&&r(d.open),n.push({start:a[h],tags:UN(s)})}const o=[];let c=null;for(let h=0;h<n.length;++h){const d=n[h];for(;o.length<d.start;)o.push(c?c.tags:null);c=d}for(;o.length<e;)o.push(null);return o}function VN(l){const e=new kN(l),t=[],s=[];if(!e.parse(t,s))return console.warn(e.error()),{symbols:l,tags:null};const i=s.find(a=>a.end===null);if(i)return console.warn(`Markup error: found unclosed tag='${i.name}'`),{symbols:l,tags:null};const r=zN(s,t.length);return{symbols:t,tags:r}}class GN{static evaluate(e){return VN(e)}}class HN{constructor(){this.count=0,this.quad=0,this.lines={},this.positions=[],this.normals=[],this.uvs=[],this.colors=[],this.indices=[],this.outlines=[],this.shadows=[],this.meshInstance=null}}function WN(l,e){const t=new at(l);return t.setPositions(e.positions),t.setNormals(e.normals),t.setColors32(e.colors),t.setUvs(0,e.uvs),t.setIndices(e.indices),t.setVertexStream(ic,e.outlines,3,void 0,je,!1),t.setVertexStream(rc,e.shadows,3,void 0,je,!1),t.update(

11887),t}const Ky=/^[\r\n]$/,XN=/^[ \t]$/,Zy=/^[ \t\-]|\u200b$/,YN=/^[a-z0-9]$/i,Qy=/^[\u1100-\u11ff]|[\u3000-\u9fff\ua960-\ua97f]|[\uac00-\ud7ff]$/,jN=/^[〕〉》」』】〙〗〟ヽヾーァィゥェォッャュョヮヵヶぁぃぅぇぉっゃゅょゎゕゖㇰㇱㇲㇳㇴㇵㇶㇷㇸㇹㇺㇻㇼㇽㇾㇿ々〻]$/,qN=["​","؜","‎","‏","‪","‫","‬","‭","‮","⁦","⁧","⁨","⁩"],$N={width:0,height:0,xadvance:0,xoffset:0,yoffset:0},Jy=new Q,KN=new j,et=new Q;class ZN{constructor(e){this._element=e,this._system=e.system,this._entity=e.entity,this._text="",this._symbols=[],this._colorPalette=[],this._outlinePalette=[],this._shadowPalette=[],this._symbolColors=null,this._symbolOutlineParams=null,this._symbolShadowParams=null,this._i18nKey=null,this._fontAsset=new LN(this._system.app),this._fontAsset.disableLocalization=!0,this._fontAsset.on("load",this._onFontLoad,this),this._fontAsset.on("change",this._onFontChange,this),this._fontAsset.on("remove",this._onFontRemove,this),this._font=null,this._color=new Q(1,1,1,1),this._colorUniform=new Float32Array(3),this._spacing=1,this._fontSize=32,this._fontMinY=0,this._fontMaxY=0,this._originalFontSize=32,this._maxFontSize=32,this._minFontSize=8,this._autoFitWidth=!1,this._autoFitHeight=!1,this._maxLines=-1,this._lineHeight=32,this._scaledLineHeight=32,this._wrapLines=!1,this._drawOrder=0,this._alignment=new j(.5,.5),this._autoWidth=!0,this._autoHeight=!0,this.width=0,this.height=0,this._node=new He,this._model=new pa,this._model.graph=this._node,this._entity.addChild(this._node),this._meshInfo=[],this._material=null,this._aabbDirty=!0,this._aabb=new Le,this._noResize=!1,this._currentMaterialType=null,this._maskedMaterialSrc=null,this._rtlReorder=!1,this._unicodeConverter=!1,this._rtl=!1,this._outlineColor=new Q(0,0,0,1),this._outlineColorUniform=new Float32Array(4),this._outlineThicknessScale=.2,this._outlineThickness=0,this._shadowColor=new Q(0,0,0,1),this._shadowColorUniform=new Float32Array(4),this._shadowOffsetScale=.005,this._shadowOffset=new j(0,0),this._shadowOffsetUniform=new Float32Array(2),this._enableMarkup=!1,this._onScreenChange(this._element.screen),e.on("resize",this._onParentResize,this),e.on("set:screen",this._onScreenChange,this),e.on("screen:set:screenspace",this._onScreenSpaceChange,this),e.on("set:draworder",this._onDrawOrderChange,this),e.on("set:pivot",this._onPivotChange,this),this._system.app.i18n.on(fn.EVENT_CHANGE,this._onLocaleSet,this),this._system.app.i18n.on("data:add",this._onLocalizationData,this),this._system.app.i18n.on("data:remove",this._onLocalizationData,this),this._rangeStart=0,this._rangeEnd=0,!e._beingInitialized&&e.enabled&&e.entity.enabled&&this.onEnable()}destroy(){this._setMaterial(null),this._model&&(this._element.removeModelFromLayers(this._model),this._model.destroy(),this._model=null),this._fontAsset.destroy(),this.font=null,this._element.off("resize",this._onParentResize,this),this._element.off("set:screen",this._onScreenChange,this),this._element.off("screen:set:screenspace",this._onScreenSpaceChange,this),this._element.off("set:draworder",this._onDrawOrderChange,this),this._element.off("set:pivot",this._onPivotChange,this),this._system.app.i18n.off(fn.EVENT_CHANGE,this._onLocaleSet,this),this._system.app.i18n.off("data:add",this._onLocalizationData,this),this._system.app.i18n.off("data:remove",this._onLocalizationData,this)}_onParentResize(e,t){this._noResize||this._font&&this._updateText()}_onScreenChange(e){e?this._updateMaterial(e.screen.screenSpace):this._updateMaterial(!1)}_onScreenSpaceChange(e){this._updateMaterial(e)}_onDrawOrderChange(e){if(this._drawOrder=e,this._model)for(let t=0,s=this._model.meshInstances.length;t<s;t++)this._model.meshInstances[t].drawOrder=e}_onPivotChange(e){this._font&&this._updateText()}_onLocaleSet(e){if(this._i18nKey){if(this.fontAsset){const t=this._system.app.assets.get(this.fontAsset);(!t||!t.resource||t.resource!==this._font)&&(this.font=null)}this._resetLocalizedText()}}_onLocalizationData(e,t){this._i18nKey&&t[this._i18nKey]&&this._resetLocalizedText()}

11887_resetLocalizedText(){this._setText(this._system.app.i18n.getText(this._i18nKey))}_setText(e){if(this.unicodeConverter){const t=this._system.getUnicodeConverter();t?e=t(e):console.warn("Element created with unicodeConverter option but no unicodeConverter function registered")}this._text!==e&&(this._font&&this._updateText(e),this._text=e)}_updateText(e){let t;if(e===void 0&&(e=this._text),this._symbols=vd.getSymbols(e.normalize?e.normalize("NFC"):e),this._symbols.length===0&&(this._symbols=[" "]),this._enableMarkup){const d=GN.evaluate(this._symbols);this._symbols=d.symbols,t=d.tags||[]}if(this._rtlReorder){const d=this._system.app.systems.element.getRtlReorder();if(d){const u=d(this._symbols);this._rtl=u.rtl,this._symbols=u.mapping.map(function(f){return this._symbols[f]},this),t&&(t=u.mapping.map(f=>t[f]))}else console.warn("Element created with rtlReorder option but no rtlReorder function registered")}else this._rtl=!1;const s=(d,u)=>`${d.toString(!0).toLowerCase()}:${u.toFixed(2)}`,i=(d,u)=>`${d.toString(!0).toLowerCase()}:${u.x.toFixed(2)}:${u.y.toFixed(2)}`;if(t){const d={},u={},f={};this._colorPalette=[Math.round(this._color.r*255),Math.round(this._color.g*255),Math.round(this._color.b*255)],this._outlinePalette=[Math.round(this._outlineColor.r*255),Math.round(this._outlineColor.g*255),Math.round(this._outlineColor.b*255),Math.round(this._outlineColor.a*255),Math.round(this._outlineThickness*255)],this._shadowPalette=[Math.round(this._shadowColor.r*255),Math.round(this._shadowColor.g*255),Math.round(this._shadowColor.b*255),Math.round(this._shadowColor.a*255),Math.round(this._shadowOffset.x*127),Math.round(this._shadowOffset.y*127)],this._symbolColors=[],this._symbolOutlineParams=[],this._symbolShadowParams=[],d[this._color.toString(!1).toLowerCase()]=0,u[s(this._outlineColor,this._outlineThickness)]=0,f[i(this._shadowColor,this._shadowOffset)]=0;for(let p=0,m=this._symbols.length;p<m;++p){const _=t[p];let g=0;if(_&&_.color&&_.color.value){const y=_.color.value;if(y.length===7&&y[0]==="#"){const S=y.substring(1).toLowerCase();d.hasOwnProperty(S)?g=d[S]:/^[0-9a-f]{6}$/.test(S)&&(g=this._colorPalette.length/3,d[S]=g,this._colorPalette.push(parseInt(S.substring(0,2),16)),this._colorPalette.push(parseInt(S.substring(2,4),16)),this._colorPalette.push(parseInt(S.substring(4,6),16)))}}this._symbolColors.push(g);let v=0;if(_&&_.outline&&(_.outline.attributes.color||_.outline.attributes.thickness)){let y=_.outline.attributes.color?Jy.fromString(_.outline.attributes.color):this._outlineColor,S=Number(_.outline.attributes.thickness);(Number.isNaN(y.r)||Number.isNaN(y.g)||Number.isNaN(y.b)||Number.isNaN(y.a))&&(y=this._outlineColor),Number.isNaN(S)&&(S=this._outlineThickness);const T=s(y,S);u.hasOwnProperty(T)?v=u[T]:(v=this._outlinePalette.length/5,u[T]=v,this._outlinePalette.push(Math.round(y.r*255),Math.round(y.g*255),Math.round(y.b*255),Math.round(y.a*255),Math.round(S*255)))}this._symbolOutlineParams.push(v);let x=0;if(_&&_.shadow&&(_.shadow.attributes.color||_.shadow.attributes.offset||_.shadow.attributes.offsetX||_.shadow.attributes.offsetY)){let y=_.shadow.attributes.color?Jy.fromString(_.shadow.attributes.color):this._shadowColor;const S=Number(_.shadow.attributes.offset),T=Number(_.shadow.attributes.offsetX),w=Number(_.shadow.attributes.offsetY);(Number.isNaN(y.r)||Number.isNaN(y.g)||Number.isNaN(y.b)||Number.isNaN(y.a))&&(y=this._shadowColor);const C=KN.set(Number.isNaN(T)?Number.isNaN(S)?this._shadowOffset.x:S:T,Number.isNaN(w)?Number.isNaN(S)?this._shadowOffset.y:S:w),b=i(y,C);f.hasOwnProperty(b)?x=f[b]:(x=this._shadowPalette.length/6,f[b]=x,this._shadowPalette.push(Math.round(y.r*255),Math.round(y.g*255),Math.round(y.b*255),Math.round(y.a*255),Math.round(C.x*127),Math.round(C.y*127)))}this._symbolShadowParams.push(x)}}else this._colorPalette=[],this._symbolColors=null,this._symbolOutlineParams=null,this._symbolShadowParams=null;this._updateMaterialEmissive(),this._updateMaterialOutline(),this._updateMaterialShadow();const r=this._calculateCharsPerTexture();let a=!1;const n=this._element,o=n._isScreenSpace(),c=n._isScreenCulled(),h=function(d){return n.isVisibleForCamera(d)};for(let d=0,u=this._meshInfo.length;d<u;d++){const f=r[d]||0,p=this._meshInfo[d];if(p.count!==f){if(a||(n.removeModelFromLayers(this._model),a=!0),p.count=f,p.positions.length=p.normals.length=f*3*4,p.indices.length=f*3*2,p.uvs.length=f*2*4,p.colors.length=f*4*4,p.outlines.length=f*4*3,p.shadows.length=f*4*3,p.meshInstance&&this._removeMeshInstance(p.meshInstance),f===0){p.meshInstance=null;continue}for(let g=0;g<f;g++)p.indices[g*3*2+0]=g*4,p.indices[g*3*2+1]=g*4+1,p.indices[g*3*2+2]=g*4+3,p.indices[g*3*2+3]=g*4+2,p.indices[g*3*2+4]=g*4+3,p.indices[g*3*2+5]=g*4+1,p.normals[g*4*3+0]=0,p.normals[g*4*3+1]=0,p.normals[g*4*3+2]=-1,p.normals[g*4*3+3]=0,p.normals[g*4*3+4]=0,p.normals[g*4*3+5]=-1,p.normals[g*4*3+6]=0,p.normals[g*4*3+7]=0,p.normals[g*4*3+8]=-1,p.normals[g*4*3+9]=0,p.normals[g*4*3+10]=0,p.normals[g*4*3+11]=-1;

11887const m=WN(this._system.app.graphicsDevice,p),_=new Ne(m,this._material,this._node);if(_.name=`Text Element: ${this._entity.name}`,_.castShadow=!1,_.receiveShadow=!1,_.cull=!o,_.screenSpace=o,_.drawOrder=this._drawOrder,c&&(_.cull=!0,_.isVisibleFunc=h),this._setTextureParams(_,this._font.textures[d]),_.setParameter("material_emissive",this._colorUniform),_.setParameter("material_opacity",this._color.a),_.setParameter("font_sdfIntensity",this._font.intensity),_.setParameter("font_pxrange",this._getPxRange(this._font)),_.setParameter("font_textureWidth",this._font.data.info.maps[d].width),_.setParameter("outline_color",this._outlineColorUniform),_.setParameter("outline_thickness",this._outlineThicknessScale*this._outlineThickness),_.setParameter("shadow_color",this._shadowColorUniform),this._symbolShadowParams)this._shadowOffsetUniform[0]=0,this._shadowOffsetUniform[1]=0;else{const g=-this._font.data.info.maps[d].width/this._font.data.info.maps[d].height;this._shadowOffsetUniform[0]=this._shadowOffsetScale*this._shadowOffset.x,this._shadowOffsetUniform[1]=g*this._shadowOffsetScale*this._shadowOffset.y}_.setParameter("shadow_offset",this._shadowOffsetUniform),p.meshInstance=_,this._model.meshInstances.push(_)}}this._element.maskedBy&&this._element._setMaskedBy(this._element.maskedBy),a&&this._element.enabled&&this._entity.enabled&&this._element.addModelToLayers(this._model),this._updateMeshes(),this._rangeStart=0,this._rangeEnd=this._symbols.length,this._updateRenderRange()}_removeMeshInstance(e){e.destroy();const t=this._model.meshInstances.indexOf(e);t!==-1&&this._model.meshInstances.splice(t,1)}_setMaterial(e){if(this._material=e,this._model)for(let t=0,s=this._model.meshInstances.length;t<s;t++){const i=this._model.meshInstances[t];i.material=e}}_updateMaterial(e){const t=this._element,s=t._isScreenCulled(),i=function(a){return t.isVisibleForCamera(a)},r=this._font&&this._font.type===Su;if(this._material=this._system.getTextElementMaterial(e,r,this._enableMarkup),this._model)for(let a=0,n=this._model.meshInstances.length;a<n;a++){const o=this._model.meshInstances[a];o.cull=!e,o.material=this._material,o.screenSpace=e,s?(o.cull=!0,o.isVisibleFunc=i):o.isVisibleFunc=null}}_updateMaterialEmissive(){this._symbolColors?(this._colorUniform[0]=1,this._colorUniform[1]=1,this._colorUniform[2]=1):(et.linear(this._color),this._colorUniform[0]=et.r,this._colorUniform[1]=et.g,this._colorUniform[2]=et.b)}_updateMaterialOutline(){this._symbolOutlineParams?(this._outlineColorUniform[0]=0,this._outlineColorUniform[1]=0,this._outlineColorUniform[2]=0,this._outlineColorUniform[3]=1):(et.linear(this._outlineColor),this._outlineColorUniform[0]=et.r,this._outlineColorUniform[1]=et.g,this._outlineColorUniform[2]=et.b,this._outlineColorUniform[3]=et.a)}_updateMaterialShadow(){this._symbolOutlineParams?(this._shadowColorUniform[0]=0,this._shadowColorUniform[1]=0,this._shadowColorUniform[2]=0,this._shadowColorUniform[3]=0):(et.linear(this._shadowColor),this._shadowColorUniform[0]=et.r,this._shadowColorUniform[1]=et.g,this._shadowColorUniform[2]=et.b,this._shadowColorUniform[3]=et.a)}_isWordBoundary(e){return Zy.test(e)}_isValidNextChar(e){return e!==null&&!jN.test(e)}_isNextCJKBoundary(e,t){return Qy.test(e)&&(Zy.test(t)||YN.test(t))}_isNextCJKWholeWord(e){return Qy.test(e)}_updateMeshes(){const e=this._font.data,t=this,s=Math.min(this._minFontSize,this._maxFontSize),i=this._maxFontSize,r=this._shouldAutoFit();r&&(this._fontSize=this._maxFontSize);const a=32,n=this._symbols.length;let o=0,c=0,h=0,d=0,u=1,f=0,p=0,m=0,_=0,g=0,v=0;const x=Math.abs(this._element.anchor.x-this._element.anchor.z)>=1e-4;let y=this._element.calculatedWidth;(this.autoWidth&&!x||!this._wrapLines)&&(y=Number.POSITIVE_INFINITY);let S=0,T=0,w,C,b,I;function P(A,M,R){t._lineWidths.push(Math.abs(R));const F=m>M?M+1:m,U=m>M?m+1:M,B=A.slice(F,U);if(v){let z=B.length;for(;z--&&v>0;)Ky.test(B[z])&&(B.splice(z,1),v--)}t._lineContents.push(B.join("")),o=0,c-=t._scaledLineHeight,u++,_=0,g=0,v=0,f=0,m=M}let L=!0;for(;L;){L=!1,r?this._scaledLineHeight=this._lineHeight*this._fontSize/(this._maxFontSize||1e-4):this._scaledLineHeight=this._lineHeight,this.width=0,this.height=0,this._lineWidths=[],this._lineContents=[],o=0,c=0,h=0,d=0,u=1,f=0,p=0,m=0,_=0,g=0,v=0;const A=this._fontSize/a;S=this._fontMinY*A,T=this._fontMaxY*A;for(let te=0;te<this._meshInfo.length;te++)this._meshInfo[te].quad=0,this._meshInfo[te].lines={};let M=255,R=255,F=255,U=255+255*256,B=255+255*256,z=0,$=255+255*256,K=255+255*256,Y=127+127*256;for(let te=0;te<n;te++){if(w=this._symbols[te],I=te+1>=n?null:this._symbols[te+1],Ky.test(w)){v++,(!this._wrapLines||this._maxLines<0||u<this._maxLines)&&

11887(P(this._symbols,te,d),p=te+1,m=te+1);continue}let _e=0,Ae=0,we=0,$e=1,Ye,Ee;if(C=e.chars[w],!C)if(qN.indexOf(w)!==-1)C=$N;else if(e.chars[" "])C=e.chars[" "];else for(const Ue in e.chars){C=e.chars[Ue];break}if(C){let Ue=0;if(g>0){const Lr=this._font.data.kerning;if(Lr){const ya=Lr[vd.getCodePoint(this._symbols[te-1])||0];ya&&(Ue=ya[vd.getCodePoint(this._symbols[te])||0]||0)}}Ye=C.scale||1,Ee=(C.width+C.height)/2,$e=A*Ee/Ye,we=(C.xadvance+Ue)*A,_e=(C.xoffset-Ue)*A,Ae=C.yoffset*A}else console.error(`Couldn't substitute missing character: '${w}'`);const Pe=XN.test(w),ke=C&&C.map||0,ps=-this._font.data.info.maps[ke].width/this._font.data.info.maps[ke].height,se=this._meshInfo[ke],Tn=o+this._spacing*we;if(Tn>y&&g>0&&!Pe&&(this._maxLines<0||u<this._maxLines))if(_===0)p=te,P(this._symbols,te,d);else{const Ue=Math.max(te-p,0);if(this._meshInfo.length<=1)se.lines[u-1]-=Ue,se.quad-=Ue;else{const Lr=p,ya=te;for(let xa=Lr;xa<ya;xa++){const th=this._symbols[xa],Ta=e.chars[th],wn=this._meshInfo[Ta&&Ta.map||0];wn.lines[u-1]-=1,wn.quad-=1}}te-=Ue+1,P(this._symbols,p,f);continue}b=se.quad,se.lines[u-1]=b;let bs=o-_e,Mr=bs+$e;const Sa=c-Ae,Rr=Sa+$e;if(this._rtl){const Ue=$e-_e-this._spacing*we-_e;bs-=Ue,Mr-=Ue}se.positions[b*4*3+0]=bs,se.positions[b*4*3+1]=Sa,se.positions[b*4*3+2]=h,se.positions[b*4*3+3]=Mr,se.positions[b*4*3+4]=Sa,se.positions[b*4*3+5]=h,se.positions[b*4*3+6]=Mr,se.positions[b*4*3+7]=Rr,se.positions[b*4*3+8]=h,se.positions[b*4*3+9]=bs,se.positions[b*4*3+10]=Rr,se.positions[b*4*3+11]=h,this.width=Math.max(this.width,Tn);let As;if(this._shouldAutoFitWidth()&&this.width>this._element.calculatedWidth&&(As=Math.floor(this._element.fontSize*this._element.calculatedWidth/(this.width||1e-4)),As=H.clamp(As,s,i),As!==this._element.fontSize)){this._fontSize=As,L=!0;break}if(this.height=Math.max(this.height,T-(c+S)),this._shouldAutoFitHeight()&&this.height>this._element.calculatedHeight&&(As=H.clamp(this._fontSize-1,s,i),As!==this._element.fontSize)){this._fontSize=As,L=!0;break}o+=this._spacing*we,Pe||(d=o),(this._isWordBoundary(w)||this._isValidNextChar(I)&&(this._isNextCJKBoundary(w,I)||this._isNextCJKWholeWord(I)))&&(_++,f=d,p=te+1),g++;const ms=this._getUv(w);if(se.uvs[b*4*2+0]=ms[0],se.uvs[b*4*2+1]=1-ms[1],se.uvs[b*4*2+2]=ms[2],se.uvs[b*4*2+3]=1-ms[1],se.uvs[b*4*2+4]=ms[2],se.uvs[b*4*2+5]=1-ms[3],se.uvs[b*4*2+6]=ms[0],se.uvs[b*4*2+7]=1-ms[3],this._symbolColors){const Ue=this._symbolColors[te]*3;M=this._colorPalette[Ue],R=this._colorPalette[Ue+1],F=this._colorPalette[Ue+2]}if(se.colors[b*4*4+0]=M,se.colors[b*4*4+1]=R,se.colors[b*4*4+2]=F,se.colors[b*4*4+3]=255,se.colors[b*4*4+4]=M,se.colors[b*4*4+5]=R,se.colors[b*4*4+6]=F,se.colors[b*4*4+7]=255,se.colors[b*4*4+8]=M,se.colors[b*4*4+9]=R,se.colors[b*4*4+10]=F,se.colors[b*4*4+11]=255,se.colors[b*4*4+12]=M,se.colors[b*4*4+13]=R,se.colors[b*4*4+14]=F,se.colors[b*4*4+15]=255,this._symbolOutlineParams){const Ue=this._symbolOutlineParams[te]*5;U=this._outlinePalette[Ue]+this._outlinePalette[Ue+1]*256,B=this._outlinePalette[Ue+2]+this._outlinePalette[Ue+3]*256,z=this._outlinePalette[Ue+4]}if(se.outlines[b*4*3+0]=U,se.outlines[b*4*3+1]=B,se.outlines[b*4*3+2]=z,se.outlines[b*4*3+3]=U,se.outlines[b*4*3+4]=B,se.outlines[b*4*3+5]=z,se.outlines[b*4*3+6]=U,se.outlines[b*4*3+7]=B,se.outlines[b*4*3+8]=z,se.outlines[b*4*3+9]=U,se.outlines[b*4*3+10]=B,se.outlines[b*4*3+11]=z,this._symbolShadowParams){const Ue=this._symbolShadowParams[te]*6;$=this._shadowPalette[Ue]+this._shadowPalette[Ue+1]*256,K=this._shadowPalette[Ue+2]+this._shadowPalette[Ue+3]*256,Y=this._shadowPalette[Ue+4]+127+Math.round(ps*this._shadowPalette[Ue+5]+127)*256}se.shadows[b*4*3+0]=$,se.shadows[b*4*3+1]=K,se.shadows[b*4*3+2]=Y,se.shadows[b*4*3+3]=$,se.shadows[b*4*3+4]=K,se.shadows[b*4*3+5]=Y,se.shadows[b*4*3+6]=$,se.shadows[b*4*3+7]=K,se.shadows[b*4*3+8]=Y,se.shadows[b*4*3+9]=$,se.shadows[b*4*3+10]=K,se.shadows[b*4*3+11]=Y,se.quad++}L||m<n&&P(this._symbols,n,o)}this._noResize=!0,this.autoWidth=this._autoWidth,this.autoHeight=this._autoHeight,this._noResize=!1;const O=this._element.pivot.x,D=this._element.pivot.y,N=this._alignment.x,k=this._alignment.y;for(let A=0;A<this._meshInfo.length;A++){if(this._meshInfo[A].count===0)continue;let M=0;for(const B in this._meshInfo[A].lines){const z=this._meshInfo[A].lines[B],$=this._lineWidths[parseInt(B,10)],K=-O*this._element.calculatedWidth+N*(this._element.calculatedWidth-$)*(this._rtl?-1:1),Y=(1-D)*this._element.calculatedHeight-T-(1-k)*(this._element.calculatedHeight-this.height);for(let te=M;te<=z;te++)this._meshInfo[A].positions[te*4*3]+=K,this._meshInfo[A].positions[te*4*3+3]+=K,this._meshInfo[A].positions[te*4*3+6]+=K,this._meshInfo[A].positions[te*4*3+9]+=K,this._meshInfo[A].positions[te*4*3+1]+=Y,this._meshInfo[A].positions[te*4*3+4]+=Y,this._meshInfo[A].positions[te*4*3+7]+=Y,this._meshInfo[A].positions[te*4*3+10]+=Y;if(this._rtl)for(let te=M;te<=z;te++){const J=te*4*3;for(let we=0;we<4;++we)this._meshInfo[A].positions[J+we*3]=this._element.calculatedWidth-this._meshInfo[A].positions[J+we*3]+K*2;const _e=this._meshInfo[A].positions[J+3],Ae=this._meshInfo[A].positions[J+6];this._meshInfo[A].positions[J+3]=this._meshInfo[A].positions[J+0],this._meshInfo[A].positions[J+6]=this._meshInfo[A].positions[J+9],this._meshInfo[A].positions[J+0]=_e,this._meshInfo[A].positions[J+9]=Ae}M=z+1}

11887const R=this._meshInfo[A].count*4,F=this._meshInfo[A].quad*4,U=new jl(this._meshInfo[A].meshInstance.mesh.vertexBuffer);for(let B=0;B<R;B++)B>=F?(U.element[Ie].set(0,0,0),U.element[Zs].set(0,0),U.element[ns].set(0,0,0,0),U.element[ic].set(0,0,0,0),U.element[rc].set(0,0,0,0)):(U.element[Ie].set(this._meshInfo[A].positions[B*3+0],this._meshInfo[A].positions[B*3+1],this._meshInfo[A].positions[B*3+2]),U.element[Zs].set(this._meshInfo[A].uvs[B*2+0],this._meshInfo[A].uvs[B*2+1]),U.element[ns].set(this._meshInfo[A].colors[B*4+0],this._meshInfo[A].colors[B*4+1],this._meshInfo[A].colors[B*4+2],this._meshInfo[A].colors[B*4+3]),U.element[ic].set(this._meshInfo[A].outlines[B*3+0],this._meshInfo[A].outlines[B*3+1],this._meshInfo[A].outlines[B*3+2]),U.element[rc].set(this._meshInfo[A].shadows[B*3+0],this._meshInfo[A].shadows[B*3+1],this._meshInfo[A].shadows[B*3+2])),U.next();U.end(),this._meshInfo[A].meshInstance.mesh.aabb.compute(this._meshInfo[A].positions),this._meshInfo[A].meshInstance._aabbVer=-1}this._aabbDirty=!0}_onFontRender(){this.font=this._font}_onFontLoad(e){this.font!==e.resource&&(this.font=e.resource)}_onFontChange(e,t,s,i){if(t==="data"){this._font.data=s;const r=this._font.data.info.maps.length;for(let a=0;a<r;a++){if(!this._meshInfo[a])continue;const n=this._meshInfo[a].meshInstance;n&&(n.setParameter("font_sdfIntensity",this._font.intensity),n.setParameter("font_pxrange",this._getPxRange(this._font)),n.setParameter("font_textureWidth",this._font.data.info.maps[a].width))}}}_onFontRemove(e){}_setTextureParams(e,t){this._font&&(this._font.type===Su?(e.deleteParameter("texture_emissiveMap"),e.deleteParameter("texture_opacityMap"),e.setParameter("texture_msdfMap",t)):this._font.type===FN&&(e.deleteParameter("texture_msdfMap"),e.setParameter("texture_emissiveMap",t),e.setParameter("texture_opacityMap",t)))}_getPxRange(e){const t=Object.keys(this._font.data.chars);for(let s=0;s<t.length;s++){const i=this._font.data.chars[t[s]];if(i.range)return(i.scale||1)*i.range}return 2}_getUv(e){const t=this._font.data;if(!t.chars[e])return t.chars[" "]?this._getUv(" "):[0,0,0,0];const s=t.chars[e].map,i=t.info.maps[s].width,r=t.info.maps[s].height,a=t.chars[e].x,n=t.chars[e].y,o=a,c=n,h=a+t.chars[e].width,d=n-t.chars[e].height,u=1-t.chars[e].height/r;return[o/i,u-c/r,h/i,u-d/r]}onEnable(){this._fontAsset.autoLoad=!0,this._model&&this._element.addModelToLayers(this._model)}onDisable(){this._fontAsset.autoLoad=!1,this._model&&this._element.removeModelFromLayers(this._model)}_setStencil(e){if(this._model){const t=this._model.meshInstances;for(let s=0;s<t.length;s++)t[s].stencilFront=e,t[s].stencilBack=e}}_shouldAutoFitWidth(){return this._autoFitWidth&&!this._autoWidth}_shouldAutoFitHeight(){return this._autoFitHeight&&!this._autoHeight}_shouldAutoFit(){return this._autoFitWidth&&!this._autoWidth||this._autoFitHeight&&!this._autoHeight}_calculateCharsPerTexture(e){const t={};e===void 0&&(e=this._symbols.length);for(let s=0,i=e;s<i;s++){const r=this._symbols[s];let a=this._font.data.chars[r];a||(a=this._font.data.chars[" "],a||(a=this._font.data.chars[Object.keys(this._font.data.chars)[0]]));const n=a.map;t[n]?t[n]++:t[n]=1}return t}_updateRenderRange(){const e=this._rangeStart===0?0:this._calculateCharsPerTexture(this._rangeStart),t=this._rangeEnd===0?0:this._calculateCharsPerTexture(this._rangeEnd);for(let s=0,i=this._meshInfo.length;s<i;s++){const r=e[s]||0,a=t[s]||0,n=this._meshInfo[s].meshInstance;if(n){const o=n.mesh;o&&(o.primitive[0].base=r*3*2,o.primitive[0].count=(a-r)*3*2)}}}set text(e){this._i18nKey=null;const t=e!=null&&e.toString()||"";this._setText(t)}get text(){return this._text}set key(e){const t=e!==null?e.toString():null;this._i18nKey!==t&&(this._i18nKey=t,t?(this._fontAsset.disableLocalization=!1,this._resetLocalizedText()):this._fontAsset.disableLocalization=!0)}get key(){return this._i18nKey}set color(e){const t=e.r,s=e.g,i=e.b;if(!(this._color.r===t&&this._color.g===s&&this._color.b===i)&&(this._color.r=t,this._color.g=s,this._color.b=i,!!this._model)){if(this._symbolColors)this._font&&this._updateText();else{et.linear(this._color),this._colorUniform[0]=et.r,this._colorUniform[1]=et.g,this._colorUniform[2]=et.b;for(let r=0,a=this._model.meshInstances.length;r<a;r++)this._model.meshInstances[r].setParameter("material_emissive",this._colorUniform)}this._element&&this._element.fire("set:color",this._color)}}get color(){return this._color}set opacity(e){if(this._color.a!==e&&(this._color.a=e,this._model))for(let t=0,s=this._model.meshInstances.length;t<s;t++)this._model.meshInstances[t].setParameter("material_opacity",e);this._element&&this._element.fire("set:opacity",e)}get opacity(){return this._color.a}set lineHeight(e){const t=this._lineHeight;this._lineHeight=e,this._scaledLineHeight=e,t!==e&&this._font&&this._updateText()}get lineHeight(){return this._lineHeight}set wrapLines(e){const t=this._wrapLines;this._wrapLines=e,t!==e&&this._font&&this._updateText()}get wrapLines(){return this._wrapLines}get lines(){return this._lineContents}set spacing(e){const t=this._spacing;this._spacing=e,t!==e&&this._font&&this._updateText()}get spacing(){return this._spacing}set fontSize(e){const t=this._fontSize;this._fontSize=e,this._originalFontSize=e,t!==e&&this._font&&this._updateText()}get fontSize(){return this._fontSize}set fontAsset(e){this._fontAsset.defaultAsset=e}get fontAsset(){return this._fontAsset.localizedAsset}set font(e){let t;if(this._font&&(t=this._font.type,this._font.off&&this._font.off("render",this._onFontRender,this)),this._font=e,this._fontMinY=0,this._fontMaxY=0,!e)return;const s=this._font.data;for(const r in s.chars){const a=s.chars[r];a.bounds&&(this._fontMinY=Math.min(this._fontMinY,a.bounds[1]),this._fontMaxY=Math.max(this._fontMaxY,a.bounds[3]))}if(this._font.on&&this._font.on("render",this._onFontRender,this),this._fontAsset.localizedAsset&&this._system.a

11887pp.assets.get(this._fontAsset.localizedAsset).resource!==this._font&&(this._fontAsset.defaultAsset=null),e.type!==t){const r=this._element._isScreenSpace();this._updateMaterial(r)}for(let r=0,a=this._font.textures.length;r<a;r++)if(!this._meshInfo[r])this._meshInfo[r]=new HN;else{const n=this._meshInfo[r].meshInstance;n&&(n.setParameter("font_sdfIntensity",this._font.intensity),n.setParameter("font_pxrange",this._getPxRange(this._font)),n.setParameter("font_textureWidth",this._font.data.info.maps[r].width),this._setTextureParams(n,this._font.textures[r]))}let i=!1;for(let r=this._font.textures.length;r<this._meshInfo.length;r++)this._meshInfo[r].meshInstance&&(i||(this._element.removeModelFromLayers(this._model),i=!0),this._removeMeshInstance(this._meshInfo[r].meshInstance));this._meshInfo.length>this._font.textures.length&&(this._meshInfo.length=this._font.textures.length),this._updateText()}get font(){return this._font}set alignment(e){e instanceof j?this._alignment.set(e.x,e.y):this._alignment.set(e[0],e[1]),this._font&&this._updateText()}get alignment(){return this._alignment}set autoWidth(e){const t=this._autoWidth;if(this._autoWidth=e,e&&Math.abs(this._element.anchor.x-this._element.anchor.z)<1e-4&&(this._element.width=this.width),t!==e){const s=this._shouldAutoFit()?this._maxFontSize:this._originalFontSize;s!==this._fontSize&&(this._fontSize=s,this._font&&this._updateText())}}get autoWidth(){return this._autoWidth}set autoHeight(e){const t=this._autoHeight;if(this._autoHeight=e,e&&Math.abs(this._element.anchor.y-this._element.anchor.w)<1e-4&&(this._element.height=this.height),t!==e){const s=this._shouldAutoFit()?this._maxFontSize:this._originalFontSize;s!==this._fontSize&&(this._fontSize=s,this._font&&this._updateText())}}get autoHeight(){return this._autoHeight}set rtlReorder(e){this._rtlReorder!==e&&(this._rtlReorder=e,this._font&&this._updateText())}get rtlReorder(){return this._rtlReorder}set unicodeConverter(e){this._unicodeConverter!==e&&(this._unicodeConverter=e,this._setText(this._text))}get unicodeConverter(){return this._unicodeConverter}get aabb(){if(this._aabbDirty){let e=!1;for(let t=0;t<this._meshInfo.length;t++)this._meshInfo[t].meshInstance&&(e?this._aabb.add(this._meshInfo[t].meshInstance.aabb):(this._aabb.copy(this._meshInfo[t].meshInstance.aabb),e=!0));this._aabbDirty=!1}return this._aabb}set outlineColor(e){const t=e instanceof Q?e.r:e[0],s=e instanceof Q?e.g:e[1],i=e instanceof Q?e.b:e[2],r=e instanceof Q?e.a:e[3];if(!(this._outlineColor.r===t&&this._outlineColor.g===s&&this._outlineColor.b===i&&this._outlineColor.a===r)&&(this._outlineColor.r=t,this._outlineColor.g=s,this._outlineColor.b=i,this._outlineColor.a=r,!!this._model)){if(this._symbolOutlineParams)this._font&&this._updateText();else{et.linear(this._outlineColor),this._outlineColorUniform[0]=et.r,this._outlineColorUniform[1]=et.g,this._outlineColorUniform[2]=et.b,this._outlineColorUniform[3]=et.a;for(let a=0,n=this._model.meshInstances.length;a<n;a++)this._model.meshInstances[a].setParameter("outline_color",this._outlineColorUniform)}this._element&&this._element.fire("set:outline",this._color)}}get outlineColor(){return this._outlineColor}set outlineThickness(e){const t=this._outlineThickness;if(this._outlineThickness=e,t!==e&&this._font){if(!this._model)return;if(this._symbolOutlineParams)this._font&&this._updateText();else for(let s=0,i=this._model.meshInstances.length;s<i;s++)this._model.meshInstances[s].setParameter("outline_thickness",this._outlineThicknessScale*this._outlineThickness)}}get outlineThickness(){return this._outlineThickness}set shadowColor(e){const t=e instanceof Q?e.r:e[0],s=e instanceof Q?e.g:e[1],i=e instanceof Q?e.b:e[2],r=e instanceof Q?e.a:e[3];if(!(this._shadowColor.r===t&&this._shadowColor.g===s&&this._shadowColor.b===i&&this._shadowColor.a===r)&&(this._shadowColor.r=t,this._shadowColor.g=s,this._shadowColor.b=i,this._shadowColor.a=r,!!this._model))if(this._symbolShadowParams)this._font&&this._updateText();else{et.linear(this._shadowColor),this._shadowColorUniform[0]=et.r,this._shadowColorUniform[1]=et.g,this._shadowColorUniform[2]=et.b,this._shadowColorUniform[3]=et.a;for(let a=0,n=this._model.meshInstances.length;a<n;a++)this._model.meshInstances[a].setParameter("shadow_color",this._shadowColorUniform)}}get shadowColor(){return this._shadowColor}set shadowOffset(e){const t=e instanceof j?e.x:e[0],s=e instanceof j?e.y:e[1];

11887if(!(this._shadowOffset.x===t&&this._shadowOffset.y===s)&&(this._shadowOffset.set(t,s),this._font&&this._model))if(this._symbolShadowParams)this._updateText();else for(let i=0,r=this._model.meshInstances.length;i<r;i++){const a=-this._font.data.info.maps[i].width/this._font.data.info.maps[i].height;this._shadowOffsetUniform[0]=this._shadowOffsetScale*this._shadowOffset.x,this._shadowOffsetUniform[1]=a*this._shadowOffsetScale*this._shadowOffset.y,this._model.meshInstances[i].setParameter("shadow_offset",this._shadowOffsetUniform)}}get shadowOffset(){return this._shadowOffset}set minFontSize(e){this._minFontSize!==e&&(this._minFontSize=e,this.font&&this._shouldAutoFit()&&this._updateText())}get minFontSize(){return this._minFontSize}set maxFontSize(e){this._maxFontSize!==e&&(this._maxFontSize=e,this.font&&this._shouldAutoFit()&&this._updateText())}get maxFontSize(){return this._maxFontSize}set autoFitWidth(e){this._autoFitWidth!==e&&(this._autoFitWidth=e,this._fontSize=this._shouldAutoFit()?this._maxFontSize:this._originalFontSize,this.font&&this._updateText())}get autoFitWidth(){return this._autoFitWidth}set autoFitHeight(e){this._autoFitHeight!==e&&(this._autoFitHeight=e,this._fontSize=this._shouldAutoFit()?this._maxFontSize:this._originalFontSize,this.font&&this._updateText())}get autoFitHeight(){return this._autoFitHeight}set maxLines(e){this._maxLines!==e&&(e===null&&this._maxLines===-1||(this._maxLines=e===null?-1:e,this.font&&this._wrapLines&&this._updateText()))}get maxLines(){return this._maxLines}set enableMarkup(e){if(e=!!e,this._enableMarkup===e)return;this._enableMarkup=e,this.font&&this._updateText();const t=this._element._isScreenSpace();this._updateMaterial(t)}get enableMarkup(){return this._enableMarkup}get symbols(){return this._symbols}get symbolColors(){return this._symbolColors===null?null:this._symbolColors.map(function(e){return this._colorPalette.slice(e*3,e*3+3)},this)}get symbolOutlineParams(){return this._symbolOutlineParams===null?null:this._symbolOutlineParams.map(function(e){return this._outlinePalette.slice(e*5,e*5+5)},this)}get symbolShadowParams(){return this._symbolShadowParams===null?null:this._symbolShadowParams.map(function(e){return this._shadowPalette.slice(e*6,e*6+6)},this)}get rtl(){return this._rtl}set rangeStart(e){e=Math.max(0,Math.min(e,this._symbols.length)),e!==this._rangeStart&&(this._rangeStart=e,this._updateRenderRange())}get rangeStart(){return this._rangeStart}set rangeEnd(e){e=Math.max(this._rangeStart,Math.min(e,this._symbols.length)),e!==this._rangeEnd&&(this._rangeEnd=e,this._updateRenderRange())}get rangeEnd(){return this._rangeEnd}}const Qp=new E,e0=new Z,er=new E,QN=new E,Hs=new Z,td=new Z,sd=new Z,jn=new Z;class Hw extends ye{static EVENT_MOUSEDOWN="mousedown";static EVENT_MOUSEUP="mouseup";static EVENT_MOUSEENTER="mouseenter";static EVENT_MOUSELEAVE="mouseleave";static EVENT_MOUSEMOVE="mousemove";static EVENT_MOUSEWHEEL="mousewheel";static EVENT_CLICK="click";static EVENT_TOUCHSTART="touchstart";static EVENT_TOUCHEND="touchend";static EVENT_TOUCHMOVE="touchmove";static EVENT_TOUCHCANCEL="touchcancel";_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;constructor(e,t){super(e,t),this._beingInitialized=!1,this._anchor=new ie,this._localAnchor=new ie,this._pivot=new j,this._width=this._calculatedWidth=32,this._height=this._calculatedHeight=32,this._margin=new ie(0,0,-32,-32),this._modelTransform=new Z,this._screenToWorld=new Z,this._anchorTransform=new Z,this._anchorDirty=!0,this._parentWorldTransform=new Z,this._screenTransform=new Z,this._screenCorners=[new E,new E,new E,new E],this._canvasCorners=[new j,new j,new j,new j],this._worldCorners=[new E,new E,new E,new E],this._cornersDirty=!0,this._canvasCornersDirty=!0,this._worldCornersDirty=!0,this.entity.on("insert",this._onInsert,this),this._patch(),this.screen=null,this._type=Rd,this._image=null,this._text=null,this._group=null,this._drawOrder=0,this._fitMode=Ld,this._useInput=!1,this._layers=[Ef],this._addedModels=[],this._batchGroupId=-1,this._offsetReadAt=0,this._maskOffset=.5,this._maskedBy=null}set enabled(e){const t=this.data,s=t.enabled;t.enabled=e,this.fire("set","enabled",s,e)}get enabled(){return this.data.enabled}get _absLeft(){return this._localAnchor.x+this._margin.x}get _absRight(){return this._localAnchor.z-this._margin.z}get _absTop(){return this._localAnchor.w-this._margin.w}get _absBottom(){return this._localAnchor.y+this._margin.y}get _hasSplitAnchorsX(){return Math.abs(this._anchor.x-this._anchor.z)>.001}get _hasSplitAnchorsY(){return Math.abs(this._anchor.y-this._anchor.w)>.001}get aabb(){return this._image?this._image.aabb:this._text?this._text.aabb:null}

11887set anchor(e){e instanceof ie?this._anchor.copy(e):this._anchor.set(...e),!this.entity._parent&&!this.screen?this._calculateLocalAnchors():this._calculateSize(this._hasSplitAnchorsX,this._hasSplitAnchorsY),this._anchorDirty=!0,this.entity._dirtyLocal||this.entity._dirtifyLocal(),this.fire("set:anchor",this._anchor)}get anchor(){return this._anchor}set batchGroupId(e){this._batchGroupId!==e&&(this.entity.enabled&&this._batchGroupId>=0&&this.system.app.batcher?.remove(Zt.ELEMENT,this.batchGroupId,this.entity),this.entity.enabled&&e>=0&&this.system.app.batcher?.insert(Zt.ELEMENT,e,this.entity),e<0&&this._batchGroupId>=0&&this.enabled&&this.entity.enabled&&(this._image&&this._image._renderable.model?this.addModelToLayers(this._image._renderable.model):this._text&&this._text._model&&this.addModelToLayers(this._text._model)),this._batchGroupId=e)}get batchGroupId(){return this._batchGroupId}set bottom(e){this._margin.y=e;const t=this.entity.getLocalPosition(),s=this._absTop,i=this._localAnchor.y+e;this._setHeight(s-i),t.y=e+this._calculatedHeight*this._pivot.y,this.entity.setLocalPosition(t)}get bottom(){return this._margin.y}set calculatedWidth(e){this._setCalculatedWidth(e,!0)}get calculatedWidth(){return this._calculatedWidth}set calculatedHeight(e){this._setCalculatedHeight(e,!0)}get calculatedHeight(){return this._calculatedHeight}get canvasCorners(){if(!this._canvasCornersDirty||!this.screen||!this.screen.screen.screenSpace)return this._canvasCorners;const e=this.system.app.graphicsDevice,t=this.screenCorners,s=e.canvas.clientWidth/e.width,i=e.canvas.clientHeight/e.height;for(let r=0;r<4;r++)this._canvasCorners[r].set(t[r].x*s,(e.height-t[r].y)*i);return this._canvasCornersDirty=!1,this._canvasCorners}set drawOrder(e){let t=0;this.screen&&(t=this.screen.screen.priority),e>16777215&&(e=16777215),this._drawOrder=(t<<24)+e,this.fire("set:draworder",this._drawOrder)}get drawOrder(){return this._drawOrder}set height(e){this._height=e,this._hasSplitAnchorsY||this._setCalculatedHeight(e,!0),this.fire("set:height",this._height)}get height(){return this._height}set layers(e){if(this._addedModels.length)for(let t=0;t<this._layers.length;t++){const s=this.system.app.scene.layers.getLayerById(this._layers[t]);if(s)for(let i=0;i<this._addedModels.length;i++)s.removeMeshInstances(this._addedModels[i].meshInstances)}if(this._layers=e,!(!this.enabled||!this.entity.enabled||!this._addedModels.length))for(let t=0;t<this._layers.length;t++){const s=this.system.app.scene.layers.getLayerById(this._layers[t]);if(s)for(let i=0;i<this._addedModels.length;i++)s.addMeshInstances(this._addedModels[i].meshInstances)}}get layers(){return this._layers}set left(e){this._margin.x=e;const t=this.entity.getLocalPosition(),s=this._absRight,i=this._localAnchor.x+e;this._setWidth(s-i),t.x=e+this._calculatedWidth*this._pivot.x,this.entity.setLocalPosition(t)}get left(){return this._margin.x}set margin(e){this._margin.copy(e),this._calculateSize(!0,!0),this.fire("set:margin",this._margin)}get margin(){return this._margin}get maskedBy(){return this._maskedBy}set pivot(e){const{pivot:t,margin:s}=this,i=t.x,r=t.y;e instanceof j?t.copy(e):t.set(...e);const a=s.x+s.z,n=t.x-i;s.x+=a*n,s.z-=a*n;const o=s.y+s.w,c=t.y-r;s.y+=o*c,s.w-=o*c,this._anchorDirty=!0,this._cornersDirty=!0,this._worldCornersDirty=!0,this._calculateSize(!1,!1),this._flagChildrenAsDirty(),this.fire("set:pivot",t)}get pivot(){return this._pivot}set right(e){this._margin.z=e;const t=this.entity.getLocalPosition(),s=this._absLeft,i=this._localAnchor.z-e;this._setWidth(i-s),t.x=this._localAnchor.z-this._localAnchor.x-e-this._calculatedWidth*(1-this._pivot.x),this.entity.setLocalPosition(t)}get right(){return this._margin.z}get screenCorners(){if(!this._cornersDirty||!this.screen)return this._screenCorners;const e=this.entity.parent&&this.entity.parent.element&&this.entity.parent.element.screenCorners[0];this._screenCorners[0].set(this._absLeft,this._absBottom,0),this._screenCorners[1].set(this._absRight,this._absBottom,0),this._screenCorners[2].set(this._absRight,this._absTop,0),this._screenCorners[3].set(this._absLeft,this._absTop,0);const t=this.screen.screen.screenSpace;for(let s=0;s<4;s++)this._screenTransform.transformPoint(this._screenCorners[s],this._screenCorners[s]),t&&this._screenCorners[s].mulScalar(this.screen.screen.scale),e&&this._screenCorners[s].add(e);return this._cornersDirty=!1,this._canvasCornersDirty=!0,this._worldCornersDirty=!0,this._screenCorners}

11887get textWidth(){return this._text?this._text.width:0}get textHeight(){return this._text?this._text.height:0}set top(e){this._margin.w=e;const t=this.entity.getLocalPosition(),s=this._absBottom,i=this._localAnchor.w-e;this._setHeight(i-s),t.y=this._localAnchor.w-this._localAnchor.y-e-this._calculatedHeight*(1-this._pivot.y),this.entity.setLocalPosition(t)}get top(){return this._margin.w}set type(e){e!==this._type&&(this._type=e,this._image&&(this._image.destroy(),this._image=null),this._text&&(this._text.destroy(),this._text=null),e===p_?this._image=new RN(this):e===kw&&(this._text=new ZN(this)))}get type(){return this._type}set useInput(e){this._useInput!==e&&(this._useInput=e,this.system.app.elementInput?e?this.enabled&&this.entity.enabled&&this.system.app.elementInput.addElement(this):this.system.app.elementInput.removeElement(this):this._useInput,this.fire("set:useInput",e))}get useInput(){return this._useInput}set fitMode(e){this._fitMode=e,this._calculateSize(!0,!0),this._image&&this._image.refreshMesh()}get fitMode(){return this._fitMode}set width(e){this._width=e,this._hasSplitAnchorsX||this._setCalculatedWidth(e,!0),this.fire("set:width",this._width)}get width(){return this._width}get worldCorners(){if(!this._worldCornersDirty)return this._worldCorners;if(this.screen){const e=this.screenCorners;if(!this.screen.screen.screenSpace){Hs.copy(this.screen.screen._screenMatrix),Hs.data[13]=-Hs.data[13],Hs.mul2(this.screen.getWorldTransform(),Hs);for(let t=0;t<4;t++)Hs.transformPoint(e[t],this._worldCorners[t])}}else{const e=this.entity.getLocalPosition();Hs.setTranslate(-e.x,-e.y,-e.z),td.setTRS(E.ZERO,this.entity.getLocalRotation(),this.entity.getLocalScale()),sd.setTranslate(e.x,e.y,e.z);const t=this.entity.parent?this.entity.parent:this.entity;jn.copy(t.getWorldTransform()),jn.mul(sd).mul(td).mul(Hs),er.set(e.x-this.pivot.x*this.calculatedWidth,e.y-this.pivot.y*this.calculatedHeight,e.z),jn.transformPoint(er,this._worldCorners[0]),er.set(e.x+(1-this.pivot.x)*this.calculatedWidth,e.y-this.pivot.y*this.calculatedHeight,e.z),jn.transformPoint(er,this._worldCorners[1]),er.set(e.x+(1-this.pivot.x)*this.calculatedWidth,e.y+(1-this.pivot.y)*this.calculatedHeight,e.z),jn.transformPoint(er,this._worldCorners[2]),er.set(e.x-this.pivot.x*this.calculatedWidth,e.y+(1-this.pivot.y)*this.calculatedHeight,e.z),jn.transformPoint(er,this._worldCorners[3])}return this._worldCornersDirty=!1,this._worldCorners}set fontSize(e){this._setValue("fontSize",e)}get fontSize(){return this._text?this._text.fontSize:null}set minFontSize(e){this._setValue("minFontSize",e)}get minFontSize(){return this._text?this._text.minFontSize:null}set maxFontSize(e){this._setValue("maxFontSize",e)}get maxFontSize(){return this._text?this._text.maxFontSize:null}set maxLines(e){this._setValue("maxLines",e)}get maxLines(){return this._text?this._text.maxLines:null}set autoFitWidth(e){this._setValue("autoFitWidth",e)}get autoFitWidth(){return this._text?this._text.autoFitWidth:null}set autoFitHeight(e){this._setValue("autoFitHeight",e)}get autoFitHeight(){return this._text?this._text.autoFitHeight:null}set color(e){this._setValue("color",e)}get color(){return this._text?this._text.color:this._image?this._image.color:null}set font(e){this._setValue("font",e)}get font(){return this._text?this._text.font:null}set fontAsset(e){this._setValue("fontAsset",e)}get fontAsset(){return this._text&&typeof this._text.fontAsset=="number"?this._text.fontAsset:null}set spacing(e){this._setValue("spacing",e)}get spacing(){return this._text?this._text.spacing:null}set lineHeight(e){this._setValue("lineHeight",e)}get lineHeight(){return this._text?this._text.lineHeight:null}set wrapLines(e){this._setValue("wrapLines",e)}get wrapLines(){return this._text?this._text.wrapLines:null}set lines(e){this._setValue("lines",e)}get lines(){return this._text?this._text.lines:null}set alignment(e){this._setValue("alignment",e)}get alignment(){return this._text?this._text.alignment:null}set autoWidth(e){this._setValue("autoWidth",e)}get autoWidth(){return this._text?this._text.autoWidth:null}set autoHeight(e){this._setValue("autoHeight",e)}get autoHeight(){return this._text?this._text.autoHeight:null}set rtlReorder(e){this._setValue("rtlReorder",e)}get rtlReorder(){return this._text?this._text.rtlReorder:null}set unicodeConverter(e){this._setValue("unicodeConverter",e)}get unicodeConverter(){return this._text?this._text.unicodeConverter:null}set text(e){this._setValue("text",e)}get text(){return this._text?this._text.text:null}set key(e){this._setValue("key",e)}get key(){return this._text?this._text.key:null}set texture(e){this._setValue("texture",e)}get texture(){return this._image?this._image.texture:null}set textureAsset(e){this._setValue("textureAsset",e)}get textureAsset(){return this._image?this._image.textureAsset:null}set material(e){this._setValue("material",e)}get material(){return this._image?this._image.material:null}set materialAsset(e){this._setValue("materialAsset",e)}get materialAsset(){return this._image?this._image.materialAsset:null}set sprite(e){this._setValue("sprite",e)}get sprite(){return this._image?this._image.sprite:null}set spriteAsset(e){this._setValue("spriteAsset",e)}get spriteAsset(){return this._image?this._image.spriteAsset:null}set spriteFrame(e){this._setValue("spriteFrame",e)}get spriteFrame(){return this._image?this._image.spriteFrame:null}set pixelsPerUnit(e){this._setValue("pixelsPerUnit",e)}get pixelsPerUnit(){return this._image?this._image.pixelsPerUnit:null}set opacity(e){this._setValue("opacity",e)}get opacity(){return this._text?this._text.opacity:this._image?this._image.opacity:null}set rect(e){this._setValue("rect",e)}

11887get rect(){return this._image?this._image.rect:null}set mask(e){this._setValue("mask",e)}get mask(){return this._image?this._image.mask:null}set outlineColor(e){this._setValue("outlineColor",e)}get outlineColor(){return this._text?this._text.outlineColor:null}set outlineThickness(e){this._setValue("outlineThickness",e)}get outlineThickness(){return this._text?this._text.outlineThickness:null}set shadowColor(e){this._setValue("shadowColor",e)}get shadowColor(){return this._text?this._text.shadowColor:null}set shadowOffset(e){this._setValue("shadowOffset",e)}get shadowOffset(){return this._text?this._text.shadowOffset:null}set enableMarkup(e){this._setValue("enableMarkup",e)}get enableMarkup(){return this._text?this._text.enableMarkup:null}set rangeStart(e){this._setValue("rangeStart",e)}get rangeStart(){return this._text?this._text.rangeStart:null}set rangeEnd(e){this._setValue("rangeEnd",e)}get rangeEnd(){return this._text?this._text.rangeEnd:null}_setValue(e,t){this._text?(this._text[e]!==t&&this._dirtyBatch(),this._text[e]=t):this._image&&(this._image[e]!==t&&this._dirtyBatch(),this._image[e]=t)}_patch(){this.entity._sync=this._sync,this.entity.setPosition=this._setPosition,this.entity.setLocalPosition=this._setLocalPosition}_unpatch(){this.entity._sync=lt.prototype._sync,this.entity.setPosition=lt.prototype.setPosition,this.entity.setLocalPosition=lt.prototype.setLocalPosition}_setPosition(e,t,s){if(!this.element.screen){lt.prototype.setPosition.call(this,e,t,s);return}e instanceof E?Qp.copy(e):Qp.set(e,t,s),this.getWorldTransform(),e0.copy(this.element._screenToWorld).invert(),e0.transformPoint(Qp,this.localPosition),this._dirtyLocal||this._dirtifyLocal()}_setLocalPosition(e,t,s){e instanceof E?this.localPosition.copy(e):this.localPosition.set(e,t,s);const i=this.element,r=this.localPosition,a=i._pivot;i._margin.x=r.x-i._calculatedWidth*a.x,i._margin.z=i._localAnchor.z-i._localAnchor.x-i._calculatedWidth-i._margin.x,i._margin.y=r.y-i._calculatedHeight*a.y,i._margin.w=i._localAnchor.w-i._localAnchor.y-i._calculatedHeight-i._margin.y,this._dirtyLocal||this._dirtifyLocal()}_sync(){const e=this.element,t=e.screen;if(t){if(e._anchorDirty){let s=0,i=0,r=0,a=1;if(this._parent&&this._parent.element)s=this._parent.element.calculatedWidth,i=this._parent.element.calculatedHeight,r=this._parent.element.pivot.x,a=this._parent.element.pivot.y;else{const n=t.screen.resolution;s=n.x/t.screen.scale,i=n.y/t.screen.scale}e._anchorTransform.setTranslate(s*(e.anchor.x-r),-(i*(a-e.anchor.y)),0),e._anchorDirty=!1,e._calculateLocalAnchors()}e._sizeDirty&&e._calculateSize(!1,!1)}if(this._dirtyLocal){this.localTransform.setTRS(this.localPosition,this.localRotation,this.localScale);const s=this.localPosition,i=e._pivot;e._margin.x=s.x-e._calculatedWidth*i.x,e._margin.z=e._localAnchor.z-e._localAnchor.x-e._calculatedWidth-e._margin.x,e._margin.y=s.y-e._calculatedHeight*i.y,e._margin.w=e._localAnchor.w-e._localAnchor.y-e._calculatedHeight-e._margin.y,this._dirtyLocal=!1}if(!t){this._dirtyWorld&&(e._cornersDirty=!0,e._canvasCornersDirty=!0,e._worldCornersDirty=!0),lt.prototype._sync.call(this);return}if(this._dirtyWorld){if(this._parent===null)this.worldTransform.copy(this.localTransform);else if(this._parent.element?e._screenToWorld.mul2(this._parent.element._modelTransform,e._anchorTransform):e._screenToWorld.copy(e._anchorTransform),e._modelTransform.mul2(e._screenToWorld,this.localTransform),t){e._screenToWorld.mul2(t.screen._screenMatrix,e._screenToWorld),t.screen.screenSpace||e._screenToWorld.mul2(t.worldTransform,e._screenToWorld),this.worldTransform.mul2(e._screenToWorld,this.localTransform);const s=e._parentWorldTransform;s.setIdentity();const i=this._parent;i&&i.element&&i!==t&&(Hs.setTRS(E.ZERO,i.getLocalRotation(),i.getLocalScale()),s.mul2(i.element._parentWorldTransform,Hs));const r=er;r.set(0,0,this.localPosition.z);const a=QN;a.set(e._absLeft+e._pivot.x*e.calculatedWidth,e._absBottom+e._pivot.y*e.calculatedHeight,0),Hs.setTranslate(-a.x,-a.y,-a.z),td.setTRS(r,this.getLocalRotation(),this.getLocalScale()),sd.setTranslate(a.x,a.y,a.z),e._screenTransform.mul2(e._parentWorldTransform,sd).mul(td).mul(Hs),e._cornersDirty=!0,e._canvasCornersDirty=!0,e._worldCornersDirty=!0}else this.worldTransform.copy(e._modelTransform);this._dirtyWorld=!1}}_onInsert(e){const t=this._parseUpToScreen();this.entity._dirtifyWorld(),this._updateScreen(t.screen),this._dirtifyMask()}_dirtifyMask(){let e=this.entity;for(;e;){const t=e.parent;if((t===null||t.screen)&&e.element){(!this.system._prerender||!this.system._prerender.length)&&(this.system._prerender=[],this.system.a

11887pp.once("prerender",this._onPrerender,this));const s=this.system._prerender.indexOf(this.entity);s>=0&&this.system._prerender.splice(s,1),this.system._prerender.indexOf(e)<0&&this.system._prerender.push(e)}e=t}}_onPrerender(){for(let e=0;e<this.system._prerender.length;e++){const t=this.system._prerender[e];t.element&&t.element.syncMask(1)}this.system._prerender.length=0}_bindScreen(e){e._bindElement(this)}_unbindScreen(e){e._unbindElement(this)}_updateScreen(e){this.screen&&this.screen!==e&&this._unbindScreen(this.screen.screen);const t=this.screen;this.screen=e,this.screen&&this._bindScreen(this.screen.screen),this._calculateSize(this._hasSplitAnchorsX,this._hasSplitAnchorsY),this.fire("set:screen",this.screen,t),this._anchorDirty=!0;const s=this.entity.children;for(let i=0,r=s.length;i<r;i++)s[i].element&&s[i].element._updateScreen(e);this.screen&&this.screen.screen.syncDrawOrder()}syncMask(e){const t=this._parseUpToScreen();this._updateMask(t.mask,e)}_setMaskedBy(e){const t=this._image||this._text;if(e){const s=e.element._image._maskRef;t?._setStencil(new $s({ref:s,func:Wd})),this._maskedBy=e}else t?._setStencil(null),this._maskedBy=null}_updateMask(e,t){if(e){if(this._setMaskedBy(e),this.mask){const i=e.element._image._maskRef,r=new $s({ref:i,func:Wd,zpass:eb});this._image._setStencil(r),this._image._maskRef=t,t++,e=this.entity}const s=this.entity.children;for(let i=0,r=s.length;i<r;i++)s[i].element?._updateMask(e,t);this.mask&&t--}else{if(this._setMaskedBy(null),this.mask){const i=new $s({ref:t,func:cr,zpass:JE});this._image._setStencil(i),this._image._maskRef=t,t++,e=this.entity}const s=this.entity.children;for(let i=0,r=s.length;i<r;i++)s[i].element?._updateMask(e,t);this.mask&&t--}}_parseUpToScreen(){const e={screen:null,mask:null};let t=this.entity._parent;for(;t&&!t.screen;)t.element&&t.element.mask&&(e.mask||(e.mask=t)),t=t.parent;return t&&t.screen&&(e.screen=t),e}_onScreenResize(e){this._anchorDirty=!0,this._cornersDirty=!0,this._worldCornersDirty=!0,this._calculateSize(this._hasSplitAnchorsX,this._hasSplitAnchorsY),this.fire("screen:set:resolution",e)}_onScreenSpaceChange(){this.fire("screen:set:screenspace",this.screen.screen.screenSpace)}_onScreenRemove(){this.screen&&(this.screen._destroying?this.screen=null:this._updateScreen(null))}_calculateLocalAnchors(){let e=1e3,t=1e3;const s=this.entity._parent;if(s&&s.element)e=s.element.calculatedWidth,t=s.element.calculatedHeight;else if(this.screen){const i=this.screen.screen.resolution,r=this.screen.screen.scale;e=i.x/r,t=i.y/r}this._localAnchor.set(this._anchor.x*e,this._anchor.y*t,this._anchor.z*e,this._anchor.w*t)}getOffsetPosition(e,t){const s=this.entity.getLocalPosition().clone();return s.x+=e,s.y+=t,this._screenToWorld.transformPoint(s,s),s}onLayersChanged(e,t){this.addModelToLayers(this._image?this._image._renderable.model:this._text._model),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this.layers.indexOf(e.id)<0||(this._image?e.addMeshInstances(this._image._renderable.model.meshInstances):this._text&&e.addMeshInstances(this._text._model.meshInstances))}onLayerRemoved(e){this.layers.indexOf(e.id)<0||(this._image?e.removeMeshInstances(this._image._renderable.model.meshInstances):this._text&&e.removeMeshInstances(this._text._model.meshInstances))}onEnable(){const e=this.system.app.scene,t=e.layers;this._image&&this._image.onEnable(),this._text&&this._text.onEnable(),this._group&&this._group.onEnable(),this.useInput&&this.system.app.elementInput&&this.system.app.elementInput.addElement(this),this._evtLayersChanged=e.on("set:layers",this.onLayersChanged,this),t&&(this._evtLayerAdded=t.on("add",this.onLayerAdded,this),this._evtLayerRemoved=t.on("remove",this.onLayerRemoved,this)),this._batchGroupId>=0&&this.system.app.batcher?.insert(Zt.ELEMENT,this.batchGroupId,this.entity),this.fire("enableelement")}onDisable(){const t=this.system.app.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this._image&&this._image.onDisable(),this._text&&this._text.onDisable(),this._group&&this._group.onDisable(),this.system.a

11887pp.elementInput&&this.useInput&&this.system.app.elementInput.removeElement(this),this._batchGroupId>=0&&this.system.app.batcher?.remove(Zt.ELEMENT,this.batchGroupId,this.entity),this.fire("disableelement")}onRemove(){this.entity.off("insert",this._onInsert,this),this._unpatch(),this._image&&this._image.destroy(),this._text&&this._text.destroy(),this.system.app.elementInput&&this.useInput&&this.system.app.elementInput.removeElement(this),this.screen&&this.screen.screen&&(this._unbindScreen(this.screen.screen),this.screen.screen.syncDrawOrder()),this.off()}_calculateSize(e,t){if(!this.entity._parent&&!this.screen)return;this._calculateLocalAnchors();const s=this._absRight-this._absLeft,i=this._absTop-this._absBottom;e?this._setWidth(s):this._setCalculatedWidth(s,!1),t?this._setHeight(i):this._setCalculatedHeight(i,!1);const r=this.entity.getLocalPosition();r.x=this._margin.x+this._calculatedWidth*this._pivot.x,r.y=this._margin.y+this._calculatedHeight*this._pivot.y,this.entity.setLocalPosition(r),this._sizeDirty=!1}_setWidth(e){this._width=e,this._setCalculatedWidth(e,!1),this.fire("set:width",this._width)}_setHeight(e){this._height=e,this._setCalculatedHeight(e,!1),this.fire("set:height",this._height)}_setCalculatedWidth(e,t){if(!(Math.abs(e-this._calculatedWidth)<=1e-4)){if(this._calculatedWidth=e,this.entity._dirtifyLocal(),t){const s=this.entity.getLocalPosition(),i=this._pivot;this._margin.x=s.x-this._calculatedWidth*i.x,this._margin.z=this._localAnchor.z-this._localAnchor.x-this._calculatedWidth-this._margin.x}this._flagChildrenAsDirty(),this.fire("set:calculatedWidth",this._calculatedWidth),this.fire("resize",this._calculatedWidth,this._calculatedHeight)}}_setCalculatedHeight(e,t){if(!(Math.abs(e-this._calculatedHeight)<=1e-4)){if(this._calculatedHeight=e,this.entity._dirtifyLocal(),t){const s=this.entity.getLocalPosition(),i=this._pivot;this._margin.y=s.y-this._calculatedHeight*i.y,this._margin.w=this._localAnchor.w-this._localAnchor.y-this._calculatedHeight-this._margin.y}this._flagChildrenAsDirty(),this.fire("set:calculatedHeight",this._calculatedHeight),this.fire("resize",this._calculatedWidth,this._calculatedHeight)}}_flagChildrenAsDirty(){const e=this.entity._children;for(let t=0,s=e.length;t<s;t++)e[t].element&&(e[t].element._anchorDirty=!0,e[t].element._sizeDirty=!0)}addModelToLayers(e){this._addedModels.push(e);for(let t=0;t<this.layers.length;t++){const s=this.system.app.scene.layers.getLayerById(this.layers[t]);s&&s.addMeshInstances(e.meshInstances)}}removeModelFromLayers(e){const t=this._addedModels.indexOf(e);t>=0&&this._addedModels.splice(t,1);for(let s=0;s<this.layers.length;s++){const i=this.system.app.scene.layers.getLayerById(this.layers[s]);i&&i.removeMeshInstances(e.meshInstances)}}getMaskOffset(){const e=this.system.app.frame;this._offsetReadAt!==e&&(this._maskOffset=.5,this._offsetReadAt=e);const t=this._maskOffset;return this._maskOffset-=.001,t}isVisibleForCamera(e){let t,s,i,r;if(this.maskedBy){const d=this.maskedBy.element.screenCorners;t=Math.min(Math.min(d[0].x,d[1].x),Math.min(d[2].x,d[3].x)),s=Math.max(Math.max(d[0].x,d[1].x),Math.max(d[2].x,d[3].x)),r=Math.min(Math.min(d[0].y,d[1].y),Math.min(d[2].y,d[3].y)),i=Math.max(Math.max(d[0].y,d[1].y),Math.max(d[2].y,d[3].y))}else{const d=this.system.app.graphicsDevice.width,u=this.system.app.graphicsDevice.height,f=e._rect.z*d,p=e._rect.w*u;t=e._rect.x*d,s=t+f,i=(1-e._rect.y)*u,r=i-p}const a=this.screenCorners,n=Math.min(Math.min(a[0].x,a[1].x),Math.min(a[2].x,a[3].x)),o=Math.max(Math.max(a[0].x,a[1].x),Math.max(a[2].x,a[3].x)),c=Math.min(Math.min(a[0].y,a[1].y),Math.min(a[2].y,a[3].y)),h=Math.max(Math.max(a[0].y,a[1].y),Math.max(a[2].y,a[3].y));return!(o<t||n>s||c>i||h<r)}_isScreenSpace(){return this.screen&&this.screen.screen?this.screen.screen.screenSpace:!1}_isScreenCulled(){return this.screen&&this.screen.screen?this.screen.screen.cull:!1}_dirtyBatch(){this.batchGroupId!==-1&&this.system.app.batcher?.markGroupDirty(this.batchGroupId)}}class JN{enabled=!0}const ek=["enabled"];class tk extends Tt{constructor(e){super(e),this.id="element",this.ComponentType=Hw,this.DataType=JN,this.schema=ek,this._unicodeConverter=null,this._rtlReorder=null,this._defaultTexture=new ce(e.graphicsDevice,{width:1,height:1,format:us,name:"element-system"});const t=this._defaultTexture.lock(),s=new Uint8Array(4);s[0]=255,s[1]=255,s[2]=255,s[3]=255,t.set(s),this._defaultTexture.unlock(),this.defaultImageMaterial=null,this.defaultImage9SlicedMaterial=null,this.defaultImage9TiledMaterial=null,this.defaultImageMaskMaterial=null,this.defaultImage9SlicedMaskMaterial=null,this.defaultImage9TiledMaskMaterial=null,this.defaultScreenSpaceImageMaterial=null,this.defaultScreenSpaceImage9SlicedMaterial=null,this.defaultScreenSpaceImage9TiledMaterial=null,this.defaultScreenSpaceImageMask9SlicedMaterial=null,this.defaultScreenSpaceImageMask9TiledMaterial=null,this.defaultScreenSpaceImageMaskMaterial=null,this._defaultTextMaterials={},this.defaultImageMaterials=[],this.on("add",this.onAddComponent,this),this.on("beforeremove",this.onRemoveComponent,this)}destroy(){super.destroy(),this._defaultTexture.destroy()}initializeComponentData(e,t,s){e._beingInitialized=!0,t.anchor!==void 0&&(t.anchor instanceof ie?e.anchor.copy(t.anchor):e.anchor.set(t.anchor[0],t.anchor[1],t.anchor[2],t.anchor[3])),t.pivot!==void 0&&(t.pivot instanceof j?e.pivot.copy(t.pivot):e.pivot.set(t.pivot[0],t.pivot[1]));const i=Math.abs(e.anchor.x-e.anchor.z)>.001,r=Math.abs(e.anchor.y-e.anchor.w)>.001;let a=!1,n;t.margin!==void 0&&(t.margin instanceof ie?e.margin.copy(t.margin):e._margin.set(t.margin[0],t.margin[1],t.margin[2],t.margin[3]),a=!0),t.left!==void 0&&(e._margin.x=t.left,a=!0),t.bottom!==void 0&&(e._margin.y=t.bottom,a=!0),t.right!==void 0&&(e._margin.z=t.right,a=!0),t.top!==void 0&&(e._margin.w=t.top,a=!0),a&&(e.margin=e._margin);let o=!1;t.width!==void 0&&!i?e.width=t.width:i&&(o=!0),t.height!==void 0&&!r?e.height=t.height:r&&(o=!0),o&&(e.anchor=e.anchor),t.enabled!==void 0&&(e.enabled=t.enabled),t.useInput!==void 0&&(e.useInput=t.useInput),t.fitMode!==void 0&&(e.fitMode=t.fitMode),e.batchGroupId=t.batchGroupId===void 0||t.batchGroupId===null?-1:t.batchGroupId,t.layers&&Array.isArray(t.layers)&&(e.layers=t.layers.slice(0)),t.type!==void 0&&(e.type=t.type),e.type===p_?(t.rect!==void 0&&(e.rect=t.rect),t.color!==void 0&&(n=t.color,n instanceof Q||(n=new Q(t.color[0],t.color[1],t.color[2])),e.color=n),t.opacity!==void 0&&(e.opacity=t.opacity),t.textureAsset!==void 0&&(e.textureAsset=t.textureAsset),t.texture&&(e.texture=t.texture),t.spriteAsset!==void 0&&(e.spriteAsset=t.spriteAsset),t.sprite&&(e.sprite=t.sprite),t.spriteFrame!==void 0&&(e.spriteFrame=t.spriteFrame),t.pixelsPerUnit!==void 0&&t.pixelsPerUnit!==null&&(e.pixelsPerUnit=t.pixelsPerUnit),t.materialAsset!==void 0&&(e.materialAsset=t.materialAsset),t.material&&(e.material=t.material),t.mask!==void 0&&(e.mask=t.mask)):e.type===kw&&(t.autoWidth!==void 0&&(e.autoWidth=t.autoWidth),t.autoHeight!==void 0&&(e.autoHeight=t.autoHeight),t.rtlReorder!==void 0&&(e.rtlReorder=t.rtlReorder),t.unicodeConverter!==void 0&&(e.unicodeConverter=t.unicodeConverter),t.text!==null&&t.text!==void 0?e.text=t.text:t.key!==null&&t.key!==void 0&&(e.key=t.key),t.color!==void 0&&(n=t.color,n instanceof Q||(n=new Q(n[0],n[1],n[2])),e.color=n),t.opacity!==void 0&&(e.opacity=t.opacity),t.spacing!==void 0&&(e.spacing=t.spacing),t.fontSize!==void 0&&(e.fontSize=t.fontSize,t.lineHeight||(e.lineHeight=t.fontSize)),t.lineHeight!==void 0&&(e.lineHeight=t.lineHeight),t.maxLines!==void 0&&(e.maxLines=t.maxLines),t.wrapLines!==void 0&&(e.wrapLines=t.wrapLines),t.minFontSize!==void 0&&(e.minFontSize=t.minFontSize),t.maxFontSize!==void 0&&(e.maxFontSize=t.maxFontSize),t.autoFitWidth&&(e.autoFitWidth=t.autoFitWidth),t.autoFitHeight&&(e.autoFitHeight=t.autoFitHeight),t.fontAsset!==void 0&&(e.fontAsset=t.fontAsset),t.font!==void 0&&(e.font=t.font),t.alignment!==void 0&&(e.alignment=t.alignment),t.outlineColor!==void 0&&(e.outlineColor=t.outlineColor),t.outlineThickness!==void 0&&(e.outlineThickness=t.outlineThickness),t.shadowColor!==void 0&&(e.shadowColor=t.shadowColor),t.shadowOffset!==void 0&&(e.shadowOffset=t.shadowOffset),t.enableMarkup!==void 0&&(e.enableMarkup=t.enableMarkup));const c=e._parseUpToScreen();c.screen&&e._updateScreen(c.screen),super.initializeComponentData(e,t,s),e._beingInitialized=!1,e.type===p_&&e._image._meshDirty&&e._image._updateMesh(e._image.mesh)}onAddComponent(e,t){e.fire("element:add")}onRemoveComponent(e,t){t.onRemove()}cloneComponent(e,t){const s=e.element,i={enabled:s.enabled,width:s.width,height:s.height,anchor:s.anch

11887or.clone(),pivot:s.pivot.clone(),margin:s.margin.clone(),alignment:s.alignment&&s.alignment.clone()||s.alignment,autoWidth:s.autoWidth,autoHeight:s.autoHeight,type:s.type,rect:s.rect&&s.rect.clone()||s.rect,rtlReorder:s.rtlReorder,unicodeConverter:s.unicodeConverter,materialAsset:s.materialAsset,material:s.material,color:s.color&&s.color.clone()||s.color,opacity:s.opacity,textureAsset:s.textureAsset,texture:s.texture,spriteAsset:s.spriteAsset,sprite:s.sprite,spriteFrame:s.spriteFrame,pixelsPerUnit:s.pixelsPerUnit,spacing:s.spacing,lineHeight:s.lineHeight,wrapLines:s.wrapLines,layers:s.layers,fontSize:s.fontSize,minFontSize:s.minFontSize,maxFontSize:s.maxFontSize,autoFitWidth:s.autoFitWidth,autoFitHeight:s.autoFitHeight,maxLines:s.maxLines,fontAsset:s.fontAsset,font:s.font,useInput:s.useInput,fitMode:s.fitMode,batchGroupId:s.batchGroupId,mask:s.mask,outlineColor:s.outlineColor&&s.outlineColor.clone()||s.outlineColor,outlineThickness:s.outlineThickness,shadowColor:s.shadowColor&&s.shadowColor.clone()||s.shadowColor,shadowOffset:s.shadowOffset&&s.shadowOffset.clone()||s.shadowOffset,enableMarkup:s.enableMarkup};return s.key!==void 0&&s.key!==null?i.key=s.key:i.text=s.text,this.addComponent(t,i)}getTextElementMaterial(e,t,s){const i=(e&&1)|(t&&2)|(s&&4);let r=this._defaultTextMaterials[i];if(r)return r;let a="TextMaterial";return r=new Es,t?(r.msdfMap=this._defaultTexture,r.msdfTextAttribute=s,r.emissive.set(1,1,1)):(a=`Bitmap${a}`,r.emissive.set(1,1,1),r.emissiveMap=this._defaultTexture,r.opacityMap=this._defaultTexture,r.opacityMapChannel="a"),e&&(a=`ScreenSpace${a}`,r.depthTest=!1),r.name=`default${a}`,r.useLighting=!1,r.useTonemap=!1,r.useFog=!1,r.useSkybox=!1,r.diffuse.set(0,0,0),r.opacity=.5,r.blendType=Ui,r.depthWrite=!1,r.emissiveVertexColor=!0,r.update(

11887),this._defaultTextMaterials[i]=r,r}_createBaseImageMaterial(){const e=new Es;return e.diffuse.set(0,0,0),e.emissive.set(1,1,1),e.emissiveMap=this._defaultTexture,e.opacityMap=this._defaultTexture,e.opacityMapChannel="a",e.useLighting=!1,e.useTonemap=!1,e.useFog=!1,e.useSkybox=!1,e.blendType=Ui,e.depthWrite=!1,e}getImageElementMaterial(e,t,s,i){return e?t?s?(this.defaultScreenSpaceImageMask9SlicedMaterial||(this.defaultScreenSpaceImageMask9SlicedMaterial=this._createBaseImageMaterial(),this.defaultScreenSpaceImageMask9SlicedMaterial.name="defaultScreenSpaceImageMask9SlicedMaterial",this.defaultScreenSpaceImageMask9SlicedMaterial.nineSlicedMode=kt,this.defaultScreenSpaceImageMask9SlicedMaterial.depthTest=!1,this.defaultScreenSpaceImageMask9SlicedMaterial.alphaTest=1,this.defaultScreenSpaceImageMask9SlicedMaterial.redWrite=!1,this.defaultScreenSpaceImageMask9SlicedMaterial.greenWrite=!1,this.defaultScreenSpaceImageMask9SlicedMaterial.blueWrite=!1,this.defaultScreenSpaceImageMask9SlicedMaterial.alphaWrite=!1,this.defaultScreenSpaceImageMask9SlicedMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImageMask9SlicedMaterial)),this.defaultScreenSpaceImageMask9SlicedMaterial):i?(this.defaultScreenSpaceImageMask9TiledMaterial||(this.defaultScreenSpaceImageMask9TiledMaterial=this.defaultScreenSpaceImage9TiledMaterial.clone(),this.defaultScreenSpaceImageMask9TiledMaterial.name="defaultScreenSpaceImageMask9TiledMaterial",this.defaultScreenSpaceImageMask9TiledMaterial.nineSlicedMode=Ut,this.defaultScreenSpaceImageMask9TiledMaterial.depthTest=!1,this.defaultScreenSpaceImageMask9TiledMaterial.alphaTest=1,this.defaultScreenSpaceImageMask9TiledMaterial.redWrite=!1,this.defaultScreenSpaceImageMask9TiledMaterial.greenWrite=!1,this.defaultScreenSpaceImageMask9TiledMaterial.blueWrite=!1,this.defaultScreenSpaceImageMask9TiledMaterial.alphaWrite=!1,this.defaultScreenSpaceImageMask9TiledMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImageMask9TiledMaterial)),this.defaultScreenSpaceImageMask9TiledMaterial):(this.defaultScreenSpaceImageMaskMaterial||(this.defaultScreenSpaceImageMaskMaterial=this._createBaseImageMaterial(),this.defaultScreenSpaceImageMaskMaterial.name="defaultScreenSpaceImageMaskMaterial",this.defaultScreenSpaceImageMaskMaterial.depthTest=!1,this.defaultScreenSpaceImageMaskMaterial.alphaTest=1,this.defaultScreenSpaceImageMaskMaterial.redWrite=!1,this.defaultScreenSpaceImageMaskMaterial.greenWrite=!1,this.defaultScreenSpaceImageMaskMaterial.blueWrite=!1,this.defaultScreenSpaceImageMaskMaterial.alphaWrite=!1,this.defaultScreenSpaceImageMaskMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImageMaskMaterial)),this.defaultScreenSpaceImageMaskMaterial):s?(this.defaultScreenSpaceImage9SlicedMaterial||(this.defaultScreenSpaceImage9SlicedMaterial=this._createBaseImageMaterial(),this.defaultScreenSpaceImage9SlicedMaterial.name="defaultScreenSpaceImage9SlicedMaterial",this.defaultScreenSpaceImage9SlicedMaterial.nineSlicedMode=kt,this.defaultScreenSpaceImage9SlicedMaterial.depthTest=!1,this.defaultScreenSpaceImage9SlicedMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImage9SlicedMaterial)),this.defaultScreenSpaceImage9SlicedMaterial):i?(this.defaultScreenSpaceImage9TiledMaterial||(this.defaultScreenSpaceImage9TiledMaterial=this._createBaseImageMaterial(),this.defaultScreenSpaceImage9TiledMaterial.name="defaultScreenSpaceImage9TiledMaterial",this.defaultScreenSpaceImage9TiledMaterial.nineSlicedMode=Ut,this.defaultScreenSpaceImage9TiledMaterial.depthTest=!1,this.defaultScreenSpaceImage9TiledMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImage9TiledMaterial)),this.defaultScreenSpaceImage9TiledMaterial):(this.defaultScreenSpaceImageMaterial||(this.defaultScreenSpaceImageMaterial=this._createBaseImageMaterial(),this.defaultScreenSpaceImageMaterial.name="defaultScreenSpaceImageMaterial",this.defaultScreenSpaceImageMaterial.depthTest=!1,this.defaultScreenSpaceImageMaterial.update(),this.defaultImageMaterials.push(this.defaultScreenSpaceImageMaterial)),this.defaultScreenSpaceImageMaterial):t?s?(this.defaultImage9SlicedMaskMaterial||(this.defaultImage9SlicedMaskMaterial=this._createBaseImageMaterial(),this.defaultImage9SlicedMaskMaterial.name="defaultImage9SlicedMaskMaterial",this.defaultImage9SlicedMaskMaterial.nineSlicedMode=kt,this.defaultImage9SlicedMaskMaterial.alphaTest=1,this.defaultImage9SlicedMaskMaterial.redWrite=!1,this.defaultImage9SlicedMaskMaterial.greenWrite=!1,this.defaultImage9SlicedMaskMaterial.blueWrite=!1,this.defaultImage9SlicedMaskMaterial.alphaWrite=!1,this.defaultImage9SlicedMaskMaterial.update(

11887),this.defaultImageMaterials.push(this.defaultImage9SlicedMaskMaterial)),this.defaultImage9SlicedMaskMaterial):i?(this.defaultImage9TiledMaskMaterial||(this.defaultImage9TiledMaskMaterial=this._createBaseImageMaterial(),this.defaultImage9TiledMaskMaterial.name="defaultImage9TiledMaskMaterial",this.defaultImage9TiledMaskMaterial.nineSlicedMode=Ut,this.defaultImage9TiledMaskMaterial.alphaTest=1,this.defaultImage9TiledMaskMaterial.redWrite=!1,this.defaultImage9TiledMaskMaterial.greenWrite=!1,this.defaultImage9TiledMaskMaterial.blueWrite=!1,this.defaultImage9TiledMaskMaterial.alphaWrite=!1,this.defaultImage9TiledMaskMaterial.update(),this.defaultImageMaterials.push(this.defaultImage9TiledMaskMaterial)),this.defaultImage9TiledMaskMaterial):(this.defaultImageMaskMaterial||(this.defaultImageMaskMaterial=this._createBaseImageMaterial(),this.defaultImageMaskMaterial.name="defaultImageMaskMaterial",this.defaultImageMaskMaterial.alphaTest=1,this.defaultImageMaskMaterial.redWrite=!1,this.defaultImageMaskMaterial.greenWrite=!1,this.defaultImageMaskMaterial.blueWrite=!1,this.defaultImageMaskMaterial.alphaWrite=!1,this.defaultImageMaskMaterial.update(),this.defaultImageMaterials.push(this.defaultImageMaskMaterial)),this.defaultImageMaskMaterial):s?(this.defaultImage9SlicedMaterial||(this.defaultImage9SlicedMaterial=this._createBaseImageMaterial(),this.defaultImage9SlicedMaterial.name="defaultImage9SlicedMaterial",this.defaultImage9SlicedMaterial.nineSlicedMode=kt,this.defaultImage9SlicedMaterial.update(),this.defaultImageMaterials.push(this.defaultImage9SlicedMaterial)),this.defaultImage9SlicedMaterial):i?(this.defaultImage9TiledMaterial||(this.defaultImage9TiledMaterial=this._createBaseImageMaterial(),this.defaultImage9TiledMaterial.name="defaultImage9TiledMaterial",this.defaultImage9TiledMaterial.nineSlicedMode=Ut,this.defaultImage9TiledMaterial.update(),this.defaultImageMaterials.push(this.defaultImage9TiledMaterial)),this.defaultImage9TiledMaterial):(this.defaultImageMaterial||(this.defaultImageMaterial=this._createBaseImageMaterial(),this.defaultImageMaterial.name="defaultImageMaterial",this.defaultImageMaterial.update(),this.defaultImageMaterials.push(this.defaultImageMaterial)),this.defaultImageMaterial)}registerUnicodeConverter(e){this._unicodeConverter=e}registerRtlReorder(e){this._rtlReorder=e}getUnicodeConverter(){return this._unicodeConverter}getRtlReorder(){return this._rtlReorder}}const qn="free",$n="limited",Kn="locked",sk=["angularDampingX","angularDampingY","angularDampingZ","angularEquilibriumX","angularEquilibriumY","angularEquilibriumZ","angularLimitsX","angularLimitsY","angularLimitsZ","angularMotionX","angularMotionY","angularMotionZ","angularSpringX","angularSpringY","angularSpringZ","angularStiffnessX","angularStiffnessY","angularStiffnessZ","breakForce","enableCollision","enabled","entityA","entityB","linearDampingX","linearDampingY","linearDampingZ","linearEquilibriumX","linearEquilibriumY","linearEquilibriumZ","linearLimitsX","linearLimitsY","linearLimitsZ","linearMotionX","linearMotionY","linearMotionZ","linearSpringX","linearSpringY","linearSpringZ","linearStiffnessX","linearStiffnessY","linearStiffnessZ"];class qg extends ye{constructor(e,t){super(e,t),this._constraint=null,this._entityA=null,this._entityB=null,this._breakForce=34e37,this._enableCollision=!0,this._linearMotionX=Kn,this._linearLimitsX=new j(0,0),this._linearSpringX=!1,this._linearStiffnessX=0,this._linearDampingX=1,this._linearEquilibriumX=0,this._linearMotionY=Kn,this._linearLimitsY=new j(0,0),this._linearSpringY=!1,this._linearStiffnessY=0,this._linearDampingY=1,this._linearEquilibriumY=0,this._linearMotionZ=Kn,this._linearLimitsZ=new j(0,0),this._linearSpringZ=!1,this._linearStiffnessZ=0,this._linearDampingZ=1,this._linearEquilibriumZ=0,this._angularMotionX=Kn,this._angularLimitsX=new j(0,0),this._angularSpringX=!1,this._angularStiffnessX=0,this._angularDampingX=1,this._angularEquilibriumX=0,this._angularMotionY=Kn,this._angularLimitsY=new j(0,0),this._angularSpringY=!1,this._angularStiffnessY=0,this._angularDampingY=1,this._angularEquilibriumY=0,this._angularMotionZ=Kn,this._angularLimitsZ=new j(0,0),this._angularSpringZ=!1,this._angularEquilibriumZ=0,this._angularDampingZ=1,this._angularStiffnessZ=0,this.on("set_enabled",this._onSetEnabled,this)}set entityA(e){this._destroyConstraint(),this._entityA=e,this._createConstraint()}get entityA(){return this._entityA}set entityB(e){this._destroyConstraint(),this._entityB=e,this._createConstraint()}get entityB(){return this._entityB}set breakForce(e){this._constraint&&this._breakForce!==e&&(this._constraint.setBreakingImpulseThreshold(e),this._breakForce=e)}get breakForce(){return this._breakForce}set enableCollision(e){this._destroyConstraint(),this._enableCollision=e,this._createConstraint()}get enableCollision(){return this._enableCollision}set angularLimitsX(e){this._angularLimitsX.equals(e)||(this._angularLimitsX.copy(e),this._updateAngularLimits())}get angularLimitsX(){return this._angularLimitsX}set angularMotionX(e){this._angularMotionX!==e&&(this._angularMotionX=e,this._updateAngularLimits())}get angularMotionX(){return this._angularMotionX}set angularLimitsY(e){this._angularLimitsY.equals(e)||(this._angularLimitsY.copy(e),this._updateAngularLimits())}get angularLimitsY(){return this._angularLimitsY}set angularMotionY(e){this._angularMotionY!==e&&(this._angularMotionY=e,this._updateAngularLimits())}get angularMotionY(){return this._angularMotionY}set angularLimitsZ(e){this._angularLimitsZ.equals(e)||(this._angularLimitsZ.copy(e),this._updateAngularLimits())}get angularLimitsZ(){return this._angularLimitsZ}set angularMotionZ(e){this._angularMotionZ!==e&&(this._angularMotionZ=e,this._updateAngularLimits())}get angularMotionZ(){return this._angularMotionZ}set linearLimitsX(e){this._linearLimitsX.equals(e)||(this._linearLimitsX.copy(e),this._updateLinearLimits())}get linearLimitsX(){return this._linearLimitsX}set linearMotionX(e){this._linearMotionX!==e&&(this._linearMotionX=e,this._updateLinearLimits())}get linearMotionX(){return this._linearMotionX}set linearLimitsY(e){this._linearLimitsY.equals(e)||(this._linearLimitsY.copy(e),this._updateLinearLimits())}get linearLimitsY(){return this._linearLimitsY}set linearMotionY(e){this._linearMotionY!==e&&(this._linearMotionY=e,this._updateLinearLimits())}get linearMotionY(){return this._linearMotionY}set linearLimitsZ(e){this._linearLimitsZ.equals(e)||(this._linearLimitsZ.copy(e),this._updateLinearLimits())}get linearLimitsZ(){return this._linearLimitsZ}set linearMotionZ(e){this._linearMotionZ!==e&&(this._linearMotionZ=e,this._updateLinearLimits())}get linearMotionZ(){return this._linearMotionZ}_convertTransform(e,t){const s=e.getTranslation(),i=new ae;i.setFromMat4(e);const r=new Ammo.btVector3(s.x,s.y,s.z),a=new Ammo.btQuaternion(i.x,i.y,i.z,i.w);t.setOrigin(r),t.setRotation(a),Ammo.destroy(r),Ammo.destroy(a)}_updateAngularLimits(){const e=this._constraint;if(e){let t,s,i,r,a,n;this._angularMotionX===$n?(t=this._angularLimitsX.x*H.DEG_TO_RAD,r=this._angularLimitsX.y*H.DEG_TO_RAD):this._angularMotionX===qn?(t=1,r=0):t=r=0,this._angularMotionY===$n?(s=this._angularLimitsY.x*H.DEG_TO_RAD,a=this._angularLimitsY.y*H.DEG_TO_RAD):this._angularMotionY===qn?(s=1,a=0):s=a=0,this._angularMotionZ===$n?(i=this._angularLimitsZ.x*H.DEG_TO_RAD,n=this._angularLimitsZ.y*H.DEG_TO_RAD):this._angularMotionZ===qn?(i=1,n=0):i=n=0;const o=new Ammo.btVector3(t,s,i);e.setAngularLowerLimit(o),o.setValue(r,a,n),e.setAngularUpperLimit(o),Ammo.destroy(o)}}_updateLinearLimits(){const e=this._constraint;if(e){let t,s,i,r,a,n;this._linearMotionX===$n?(t=this._linearLimitsX.x,r=this._linearLimitsX.y):this._linearMotionX===qn?(t=1,r=0):t=r=0,this._linearMotionY===$n?(s=this._linearLimitsY.x,a=this._linearLimitsY.y):this._linearMotionY===qn?(s=1,a=0):s=a=0,this._linearMotionZ===$n?(i=this._linearLimitsZ.x,n=this._linearLimitsZ.y):this._linearMotionZ===qn?(i=1,n=0):i=n=0;const o=new Ammo.btVector3(t,s,i);e.setLinearLowerLimit(o),o.setValue(r,a,n),e.setLinearUpperLimit(o),Ammo.destroy(o)}}_createConstraint(){if(this._entityA&&this._entityA.rigidbody){this._destroyConstraint();const e=new Z,t=this._entityA.rigidbody.body;t.activate();const s=this.entity.getWorldTransform(),r=this._entityA.getWorldTransform().clone().invert();e.mul2(r,s);const a=new Ammo.btTransform;if(this._convertTransform(e,a),this._entityB&&this._entityB.rigidbody){const h=this._entityB.rigidbody.body;h.activate();const u=this._entityB.getWorldTransform().clone().invert();e.mul2(u,s);const f=new Ammo.btTransform;this._convertTransform(e,f),this._constraint=new Ammo.btGeneric6DofSpringConstraint(t,h,a,f,!this._enableCollision),Ammo.destroy(f)}else this._constraint=new Ammo.btGeneric6DofSpringConstraint(t,a,!this._enableCollision);Ammo.destroy(a);const n=["X","Y","Z","X","Y","Z"];for(let h=0;h<6;h++){const d=h<3?"_linear":"_angular";this._constraint.enableSpring(h,this[`${d}Spring${n[h]}`]),this._constraint.setDamping(h,this[`${d}Damping${n[h]}`]),this._constraint.setEquilibriumPoint(h,this[`${d}Equilibrium${n[h]}`]),this._constraint.setStiffness(h,this[`${d}Stiffness${n[h]}`])}this._constraint.setBreakingImpulseThreshold(this._breakForce),this._updateLinearLimits(),this._updateAngularLimits(),this.system.a

11887pp.systems.rigidbody.dynamicsWorld.addConstraint(this._constraint,!this._enableCollision)}}_destroyConstraint(){this._constraint&&(this.system.app.systems.rigidbody.dynamicsWorld.removeConstraint(this._constraint),Ammo.destroy(this._constraint),this._constraint=null)}initFromData(e){for(const t of sk)e.hasOwnProperty(t)&&(e[t]instanceof j?this[`_${t}`].copy(e[t]):this[`_${t}`]=e[t]);this._createConstraint()}onEnable(){this._createConstraint()}onDisable(){this._destroyConstraint()}_onSetEnabled(e,t,s){}_onBeforeRemove(){this.fire("remove")}}const ik={Damping:"setDamping",Equilibrium:"setEquilibriumPoint",Spring:"enableSpring",Stiffness:"setStiffness"};["linear","angular"].forEach(l=>{["Damping","Equilibrium","Spring","Stiffness"].forEach(e=>{["X","Y","Z"].forEach(t=>{const s=l+e+t,i=`_${s}`;let r=l==="linear"?0:3;t==="Y"&&(r+=1),t==="Z"&&(r+=2),Object.defineProperty(qg.prototype,s,{get:function(){return this[i]},set:function(a){this[i]!==a&&(this[i]=a,this._constraint[ik[e]](r,a))}})})})});class rk{enabled=!0}const T_=["enabled"];class ak extends Tt{constructor(e){super(e),this.id="joint",this.app=e,this.ComponentType=qg,this.DataType=rk,this.schema=T_}initializeComponentData(e,t,s){e.initFromData(t),super.initializeComponentData(e,t,T_)}}ye._buildAccessors(qg.prototype,T_);class Ww extends ye{_minWidth=0;_minHeight=0;_maxWidth=null;_maxHeight=null;_fitWidthProportion=0;_fitHeightProportion=0;_excludeFromLayout=!1;set minWidth(e){e!==this._minWidth&&(this._minWidth=e,this.fire("resize"))}get minWidth(){return this._minWidth}set minHeight(e){e!==this._minHeight&&(this._minHeight=e,this.fire("resize"))}get minHeight(){return this._minHeight}set maxWidth(e){e!==this._maxWidth&&(this._maxWidth=e,this.fire("resize"))}get maxWidth(){return this._maxWidth}set maxHeight(e){e!==this._maxHeight&&(this._maxHeight=e,this.fire("resize"))}get maxHeight(){return this._maxHeight}set fitWidthProportion(e){e!==this._fitWidthProportion&&(this._fitWidthProportion=e,this.fire("resize"))}get fitWidthProportion(){return this._fitWidthProportion}set fitHeightProportion(e){e!==this._fitHeightProportion&&(this._fitHeightProportion=e,this.fire("resize"))}get fitHeightProportion(){return this._fitHeightProportion}set excludeFromLayout(e){e!==this._excludeFromLayout&&(this._excludeFromLayout=e,this.fire("resize"))}get excludeFromLayout(){return this._excludeFromLayout}}class nk{enabled=!0}const Xw=["enabled"];class ok extends Tt{constructor(e){super(e),this.id="layoutchild",this.ComponentType=Ww,this.DataType=nk,this.schema=Xw}initializeComponentData(e,t,s){t.enabled!==void 0&&(e.enabled=t.enabled),t.minWidth!==void 0&&(e.minWidth=t.minWidth),t.minHeight!==void 0&&(e.minHeight=t.minHeight),t.maxWidth!==void 0&&(e.maxWidth=t.maxWidth),t.maxHeight!==void 0&&(e.maxHeight=t.maxHeight),t.fitWidthProportion!==void 0&&(e.fitWidthProportion=t.fitWidthProportion),t.fitHeightProportion!==void 0&&(e.fitHeightProportion=t.fitHeightProportion),t.excludeFromLayout!==void 0&&(e.excludeFromLayout=t.excludeFromLayout),super.initializeComponentData(e,t,s)}cloneComponent(e,t){const s=e.layoutchild;return this.addComponent(t,{enabled:s.enabled,minWidth:s.minWidth,minHeight:s.minHeight,maxWidth:s.maxWidth,maxHeight:s.maxHeight,fitWidthProportion:s.fitWidthProportion,fitHeightProportion:s.fitHeightProportion,excludeFromLayout:s.excludeFromLayout})}}ye._buildAccessors(Ww.prototype,Xw);const w_=0,lk=1,t0=2,ck=3,yu={};yu[Me]={axis:"x",size:"width",calculatedSize:"calculatedWidth",minSize:"minWidth",maxSize:"maxWidth",fitting:"widthFitting",fittingProportion:"fitWidthProportion"};yu[rt]={axis:"y",size:"height",calculatedSize:"calculatedHeight",minSize:"minHeight",maxSize:"maxHeight",fitting:"heightFitting",fittingProportion:"fitHeightProportion"};const $g={};$g[Me]=rt;$g[rt]=Me;const hk={minWidth:0,minHeight:0,maxWidth:Number.POSITIVE_INFINITY,maxHeight:Number.POSITIVE_INFINITY,width:null,height:null,fitWidthProportion:0,fitHeightProportion:0},Rs={NONE:"NONE",APPLY_STRETCHING:"APPLY_STRETCHING",APPLY_SHRINKING:"APPLY_SHRINKING"},Ls=new j;function Yw(l){let e;const t=yu[l],s=yu[$g[l]];function i(A,M){return-M[t.size]*A.pivot[t.axis]}function r(A,M){return-M[s.size]*A.pivot[s.axis]}function a(A,M){return M[t.size]*(1-A.pivot[t.axis])}function n(A,M){A=A.filter(o),e=M,Ls.x=e.containerSize.x-e.padding.x-e.padding.z,Ls.y=e.containerSize.y-e.padding.y-e.padding.w,c(A);const R=d(h(A)),F=f(R,u(R)),U=x(R,F);return y(R,F,U),S(R,F,U),T(R)}function o(A){const M=A.entity.layoutchild;return!M||!M.enabled||!M.excludeFromLayout}function c(A){for(let M=0;M<A.length;++M){const R=A[M],F=R.anchor;(F.x!==0||F.y!==0||F.z!==0||F.w!==0)&&(R.anchor=ie.ZERO)}}function h(A){if(!e.wrap)return[A];const M=[[]],R=w(A);let F=0;const U=e[t.fitting]===t0;for(let B=0;B<A.length;++B){M[M.length-1].length>0&&(F+=e.spacing[t.axis]);const z=R[B][t.size];F+=z,!U&&F>Ls[t.axis]&&M[M.length-1].length!==0&&(F=z,M.push([])),M[M.length-1].push(A[B]),U&&F>Ls[t.axis]&&B!==A.length-1&&(F=0,M.push([]))}return M}function d(A){const M=e.orientation===Me&&e.reverseX||e.orientation===rt&&e.reverseY,R=e.orientation===Me&&e.reverseY||e.orientation===rt&&e.reverseX;if(M)for(let F=0;F<A.length;++F)M&&A[F].reverse();return R&&A.reverse(),A}function u(A){const M=[];for(let R=0;R<A.length;++R){const F=A[R],U=w(F),B=m(U,t),z=p(e[t.fitting],B,Ls[t.axis]);z===Rs.APPLY_STRETCHING?_(U,B,t):z===Rs.APPLY_SHRINKING&&g(U,B,t),M.push(U)}return M}function f(A,M){const R=[],F=[];for(let z=0;z<A.length;++z){const $=A[z];$.largestElement=null,$.largestSize={width:Number.NEGATIVE_INFINITY,height:Number.NEGATIVE_INFINITY};for(let K=0;K<$.length;++K){const Y=M[z][K];Y[s.size]>$.largestSize[s.size]&&($.largestElement=$[K],$.largestSize=Y)}R.push($.largestElement),F.push($.largestSize)}const U=m(F,s),B=p(e[s.fitting],U,Ls[s.axis]);B===Rs.APPLY_STRETCHING?_(F,U,s):B===Rs.APPLY_SHRINKING&&g(F,U,s);for(let z=0;z<A.length;++z){const $=A[z];for(let K=0;K<$.length;++K){const Y=M[z][K],te=Y[s.size],J=A.length===1?Ls[s.axis]:$.largestSize[s.size],_e=p(e[s.fitting],te,J);_e===Rs.APPLY_STRETCHING?Y[s.size]=Math.min(J,Y[s.maxSize]):_e===Rs.APPLY_SHRINKING&&(Y[s.size]=Math.max(J,Y[s.minSize]))}}return M}function p(A,M,R){switch(A){case w_:return Rs.NONE;case lk:return M<R?Rs.APPLY_STRETCHING:Rs.NONE;case t0:return M>=R?Rs.APPLY_SHRINKING:Rs.NONE;case ck:return M<R?Rs.APPLY_STRETCHING:Rs.APPLY_SHRINKING;default:throw new Error(`Unrecognized fitting mode: ${A}`)}}function m(A,M){const R=I(A,M.size),F=(A.length-1)*e.spacing[M.axis];return R+F}function _(A,M,R){const F=O(A,R.maxSize),U=P(A,R.fittingProportion),B=k(U,F);let z=Ls[R.axis]-M;for(let $=0;$<A.length;++$){const K=F[$],Y=v(K,z,U,B),te=A[K][R.size]+Y,J=A[K][R.maxSize],_e=Math.min(te,J);A[K][R.size]=_e;const Ae=Math.max(te-_e,0),we=Y-Ae;z-=we}}function g(A,M,R){const F=O(A,R.minSize,!0),U=P(A,R.fittingProportion),B=L(U),z=k(B,F);let $=M-Ls[R.axis];for(let K=0;K<A.length;++K){const Y=F[K],te=v(Y,$,B,z),J=A[Y][R.size]-te,_e=A[Y][R.minSize],Ae=Math.max(J,_e);A[Y][R.size]=Ae;const we=Math.max(Ae-J,0),$e=te-we;$-=$e}}function v(A,M,R,F){const U=R[A],B=F[A];return Math.abs(U)<1e-5&&Math.abs(B)<1e-5?M:M*U/B}function x(A,M){const R={};R[t.axis]=0,R[s.axis]=0,A[t.size]=Number.NEGATIVE_INFINITY;const F=[];for(let U=0;U<A.length;++U){const B=A[U];if(B.length===0){F.push([]);continue}const z=[],$=M[U];for(let K=0;K<B.length;++K){const Y=B[K],te=$[K];R[s.axis]-=r(Y,te),R[t.axis]-=i(Y,te),z[K]={},z[K][t.axis]=R[t.axis],z[K][s.axis]=R[s.axis],R[s.axis]+=r(Y,te),R[t.axis]+=a(Y,te)+e.spacing[t.axis]}B[t.size]=R[t.axis]-e.spacing[t.axis],B[s.size]=B.largestSize[s.size],A[t.size]=Math.max(A[t.size],B[t.size]),R[t.axis]=0,R[s.axis]+=B[s.size]+e.spacing[s.axis],F.push(z)}return A[s.size]=R[s.axis]-e.spacing[s.axis],F}function y(A,M,R){const F=e.alignment[t.axis],U=e.alignment[s.axis],B=e.padding[t.axis],z=e.padding[s.axis];for(let $=0;$<A.length;++$){const K=A[$],Y=M[$],te=R[$],J=(Ls[t.axis]-K[t.size])*F+B,_e=(Ls[s.axis]-A[s.size])*U+z;for(let Ae=0;Ae<K.length;++Ae){const we=(K[s.size]-Y[Ae][s.size])*e.alignment[s.axis];te[Ae][t.axis]+=J,te[Ae][s.axis]+=_e+we}}}function S(A,M,R){for(let F=0;F<A.length;++F){const U=A[F],B=M[F],z=R[F];for(let $=0;$<U.length;++$){const K=U[$];K[t.calculatedSize]=B[$][t.size],K[s.calculatedSize]=B[$][s.size],e.orientation===Me?K.entity.setLocalPosition(z[$][t.axis],z[$][s.axis],K.entity.getLocalPosition().z):K.entity.setLocalPosition(z[$][s.axis],z[$][t.axis],K.entity.getLocalPosition().z)}}}function T(A){const M=A.width,R=A.height,F=(Ls.x-M)*e.alignment.x+e.padding.x,U=(Ls.y-R)*e.alignment.y+e.padding.y;return{bounds:new ie(F,U,M,R)}}function w(A){const M=[];for(let R=0;R<A.length;++R){const F=A[R],U=Math.max(C(F,"minWidth"),0),B=Math.max(C(F,"minHeight"),0),z=Math.max(C(F,"maxWidth"),U),$=Math.max(C(F,"maxHeight"),B),K=b(C(F,"width"),U,z),Y=b(C(F,"height"),B,$),te=C(F,"fitWidthProportion"),J=C(F,"fitHeightProportion");M.push({minWidth:U,minHeight:B,maxWidth:z,maxHeight:$,width:K,height:Y,fitWidthProportion:te,fitHeightProportion:J})}return M}function C(A,M){const R=A.entity.layoutchild;return R&&R.enabled&&R[M]!==void 0&&R[M]!==null?R[M]:A[M]!==void 0?A[M]:hk[M]}function b(A,M,R){return Math.min(Math.max(A,M),R)}function I(A,M){return A.reduce((R,F)=>R+F[M],0)}function P(A,M){const R=I(A,M),F=[],U=A.length;if(R===0)for(let B=0;B<U;++B)F.push(1/U);else for(let B=0;B<U;

11887++B)F.push(A[B][M]/R);return F}function L(A){if(A.length===1)return[1];const M=[],R=A.length;for(let F=0;F<R;++F)M.push((1-A[F])/(R-1));return M}function O(A,M,R){return A.forEach(D),A.slice().sort((F,U)=>R?U[M]-F[M]:F[M]-U[M]).map(N)}function D(A,M){A.index=M}function N(A){return A.index}function k(A,M){const R=[];R[M[A.length-1]]=A[M[A.length-1]];for(let F=A.length-2;F>=0;--F)R[M[F]]=R[M[F+1]]+A[M[F]];return R}return n}const Kg={};Kg[Me]=Yw(Me);Kg[rt]=Yw(rt);class dk{calculateLayout(e,t){const s=Kg[t.orientation];if(s)return s(e,t);throw new Error(`Unrecognized orientation value: ${t.orientation}`)}}function s0(l){return l.element}function uk(l){return l.enabled&&l.element&&l.element.enabled}class jw extends ye{_orientation=Me;_reverseX=!1;_reverseY=!0;_alignment=new j(0,1);_padding=new ie;_spacing=new j;_widthFitting=w_;_heightFitting=w_;_wrap=!1;_layoutCalculator=new dk;constructor(e,t){super(e,t),this._listenForReflowEvents(this.entity,"on"),this.entity.children.forEach(s=>{this._listenForReflowEvents(s,"on")}),this.entity.on("childinsert",this._onChildInsert,this),this.entity.on("childremove",this._onChildRemove,this),e.app.systems.element.on("add",this._onElementOrLayoutComponentAdd,this),e.app.systems.element.on("beforeremove",this._onElementOrLayoutComponentRemove,this),e.app.systems.layoutchild.on("add",this._onElementOrLayoutComponentAdd,this),e.app.systems.layoutchild.on("beforeremove",this._onElementOrLayoutComponentRemove,this)}set orientation(e){e!==this._orientation&&(this._orientation=e,this._scheduleReflow())}get orientation(){return this._orientation}set reverseX(e){e!==this._reverseX&&(this._reverseX=e,this._scheduleReflow())}get reverseX(){return this._reverseX}set reverseY(e){e!==this._reverseY&&(this._reverseY=e,this._scheduleReflow())}get reverseY(){return this._reverseY}set alignment(e){e.equals(this._alignment)||(this._alignment.copy(e),this._scheduleReflow())}get alignment(){return this._alignment}set padding(e){e.equals(this._padding)||(this._padding.copy(e),this._scheduleReflow())}get padding(){return this._padding}set spacing(e){e.equals(this._spacing)||(this._spacing.copy(e),this._scheduleReflow())}get spacing(){return this._spacing}set widthFitting(e){e!==this._widthFitting&&(this._widthFitting=e,this._scheduleReflow())}get widthFitting(){return this._widthFitting}set heightFitting(e){e!==this._heightFitting&&(this._heightFitting=e,this._scheduleReflow())}get heightFitting(){return this._heightFitting}set wrap(e){e!==this._wrap&&(this._wrap=e,this._scheduleReflow())}get wrap(){return this._wrap}_isSelfOrChild(e){return e===this.entity||this.entity.children.indexOf(e)!==-1}_listenForReflowEvents(e,t){e.element&&(e.element[t]("enableelement",this._scheduleReflow,this),e.element[t]("disableelement",this._scheduleReflow,this),e.element[t]("resize",this._scheduleReflow,this),e.element[t]("set:pivot",this._scheduleReflow,this)),e.layoutchild&&(e.layoutchild[t]("set_enabled",this._scheduleReflow,this),e.layoutchild[t]("resize",this._scheduleReflow,this))}_onElementOrLayoutComponentAdd(e){this._isSelfOrChild(e)&&(this._listenForReflowEvents(e,"on"),this._scheduleReflow())}_onElementOrLayoutComponentRemove(e){this._isSelfOrChild(e)&&(this._listenForReflowEvents(e,"off"),this._scheduleReflow())}_onChildInsert(e){this._listenForReflowEvents(e,"on"),this._scheduleReflow()}_onChildRemove(e){this._listenForReflowEvents(e,"off"),this._scheduleReflow()}_scheduleReflow(){this.enabled&&this.entity&&this.entity.enabled&&!this._isPerformingReflow&&this.system.scheduleReflow(this)}reflow(){const e=s0(this.entity),t=this.entity.children.filter(uk).map(s0);if(!e||t.length===0)return;const s=Math.max(e.calculatedWidth,0),i=Math.max(e.calculatedHeight,0),r={orientation:this._orientation,reverseX:this._reverseX,reverseY:this._reverseY,alignment:this._alignment,padding:this._padding,spacing:this._spacing,widthFitting:this._widthFitting,heightFitting:this._heightFitting,wrap:this._wrap,containerSize:new j(s,i)};this._isPerformingReflow=!0;const a=this._layoutCalculator.calculateLayout(t,r);this._isPerformingReflow=!1,this.fire("reflow",a)}onEnable(){this._scheduleReflow()}onRemove(){this.entity.off("childinsert",this._onChildInsert,this),this.entity.off("childremove",this._onChildRemove,this),this._listenForReflowEvents(this.entity,"off"),this.entity.children.forEac

11887h(e=>{this._listenForReflowEvents(e,"off")}),this.system.app.systems.element.off("add",this._onElementOrLayoutComponentAdd,this),this.system.app.systems.element.off("beforeremove",this._onElementOrLayoutComponentRemove,this),this.system.app.systems.layoutchild.off("add",this._onElementOrLayoutComponentAdd,this),this.system.app.systems.layoutchild.off("beforeremove",this._onElementOrLayoutComponentRemove,this)}}class fk{enabled=!0}const qw=["enabled"],pk=100;class mk extends Tt{constructor(e){super(e),this.id="layoutgroup",this.ComponentType=jw,this.DataType=fk,this.schema=qw,this._reflowQueue=[],this.on("beforeremove",this._onRemoveComponent,this),this.app.systems.on("postUpdate",this._onPostUpdate,this)}initializeComponentData(e,t,s){t.enabled!==void 0&&(e.enabled=t.enabled),t.orientation!==void 0&&(e.orientation=t.orientation),t.reverseX!==void 0&&(e.reverseX=t.reverseX),t.reverseY!==void 0&&(e.reverseY=t.reverseY),t.alignment!==void 0&&(e.alignment=Array.isArray(t.alignment)?new j(t.alignment):t.alignment),t.padding!==void 0&&(e.padding=Array.isArray(t.padding)?new ie(t.padding):t.padding),t.spacing!==void 0&&(e.spacing=Array.isArray(t.spacing)?new j(t.spacing):t.spacing),t.widthFitting!==void 0&&(e.widthFitting=t.widthFitting),t.heightFitting!==void 0&&(e.heightFitting=t.heightFitting),t.wrap!==void 0&&(e.wrap=t.wrap),super.initializeComponentData(e,t,s)}cloneComponent(e,t){const s=e.layoutgroup;return this.addComponent(t,{enabled:s.enabled,orientation:s.orientation,reverseX:s.reverseX,reverseY:s.reverseY,alignment:s.alignment,padding:s.padding,spacing:s.spacing,widthFitting:s.widthFitting,heightFitting:s.heightFitting,wrap:s.wrap})}scheduleReflow(e){this._reflowQueue.indexOf(e)===-1&&this._reflowQueue.push(e)}_onPostUpdate(){this._processReflowQueue()}_processReflowQueue(){if(this._reflowQueue.length===0)return;let e=0;for(;this._reflowQueue.length>0;){const t=this._reflowQueue.slice();this._reflowQueue.length=0,t.sort((s,i)=>s.entity.graphDepth-i.entity.graphDepth);for(let s=0;s<t.length;++s)t[s].reflow();if(++e>=pk){console.warn("Max reflow iterations limit reached, bailing.");break}}}_onRemoveComponent(e,t){t.onRemove()}destroy(){super.destroy(),this.app.systems.off("postUpdate",this._onPostUpdate,this)}}ye._buildAccessors(jw.prototype,qw);class _k{map=new Map;destroy(e){this.map.forEach(t=>t.mesh.destroy())}}const gk=new Jt,$w=(l,e)=>{const t=gk.get(l,()=>new _k);let s=t.map.get(e);if(!s){let i,r;switch(e){case"box":i=at.fromGeometry(l,new a_),r={x:2,y:2,z:2,uv:2/3};break;case"capsule":i=at.fromGeometry(l,new XM({radius:.5,height:2})),r={x:Math.PI*2,y:Math.PI,z:Math.PI*2,uv:1/3+1/3/3*2};break;case"cone":i=at.fromGeometry(l,new YM({baseRadius:.5,peakRadius:0,height:1})),r={x:2.54,y:2.54,z:2.54,uv:1/3+1/3/3};break;case"cylinder":i=at.fromGeometry(l,new jM({radius:.5,height:1})),r={x:Math.PI,y:.79*2,z:Math.PI,uv:1/3+1/3/3*2};break;case"plane":i=at.fromGeometry(l,new qM({halfExtents:new j(.5,.5),widthSegments:1,lengthSegments:1})),r={x:0,y:1,z:0,uv:1};break;case"sphere":i=at.fromGeometry(l,new rw({radius:.5})),r={x:Math.PI,y:Math.PI,z:Math.PI,uv:1};break;case"torus":i=at.fromGeometry(l,new $M({tubeRadius:.2,ringRadius:.3})),r={x:Math.PI*.5*.5-Math.PI*.1*.1,y:.4,z:.4,uv:1};break;default:throw new Error(`Invalid primitive type: ${e}`)}i.incRefCount(),s={mesh:i,area:r},t.map.set(e,s)}return s};class Zg extends ye{_type="asset";_asset=null;_model=null;_mapping={};_castShadows=!0;_receiveShadows=!0;_materialAsset=null;_material;_castShadowsLightmap=!0;_lightmapped=!1;_lightmapSizeMultiplier=1;isStatic=!1;_layers=[Ir];_batchGroupId=-1;_customAabb=null;_area=null;_materialEvents=null;_clonedModel=!1;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;constructor(e,t){super(e,t),this._material=e.defaultMaterial,t.on("remove",this.onRemoveChild,this),t.on("removehierarchy",this.onRemoveChild,this),t.on("insert",this.onInsertChild,this),t.on("inserthierarchy",this.onInsertChild,this)}set meshInstances(e){this._model&&(this._model.meshInstances=e)}get meshInstances(){return this._model?this._model.meshInstances:null}set customAabb(e){if(this._customAabb=e,this._model){const t=this._model.meshInstances;if(t)for(let s=0;s<t.length;s++)t[s].setCustomAabb(this._customAabb)}}get customAabb(){return this._customAabb}set type(e){if(this._type!==e)if(this._area=null,this._type=e,e==="asset")this._asset!==null?this._bindModelAsset(this._asset):this.model=null;

11887else{const t=$w(this.system.app.graphicsDevice,e);this._area=t.area;const s=t.mesh,i=new He,r=new pa;r.graph=i,r.meshInstances=[new Ne(s,this._material,i)],this.model=r,this._asset=null}}get type(){return this._type}set asset(e){const t=this.system.app.assets;let s=e;if(e instanceof pe&&(s=e.id),this._asset!==s){if(this._asset){t.off(`add:${this._asset}`,this._onModelAssetAdded,this);const i=t.get(this._asset);i&&this._unbindModelAsset(i)}if(this._asset=s,this._asset){const i=t.get(this._asset);i?this._bindModelAsset(i):(this.model=null,t.on(`add:${this._asset}`,this._onModelAssetAdded,this))}else this.model=null}}get asset(){return this._asset}set model(e){if(this._model!==e&&!(e&&e._immutable)&&(this._model&&(this._model._immutable=!1,this.removeModelFromLayers(),this._model.getGraph().destroy(),delete this._model._entity,this._clonedModel&&(this._model.destroy(),this._clonedModel=!1)),this._model=e,this._model)){this._model._immutable=!0;const t=this._model.meshInstances;for(let s=0;s<t.length;s++)t[s].castShadow=this._castShadows,t[s].receiveShadow=this._receiveShadows,t[s].setCustomAabb(this._customAabb);this.lightmapped=this._lightmapped,this.entity.addChild(this._model.graph),this.enabled&&this.entity.enabled&&this.addModelToLayers(),this._model._entity=this.entity,this.entity.animation&&this.entity.animation.setModel(this._model),this.entity.anim&&this.entity.anim.rebind(),this.type==="asset"?this.mapping=this._mapping:this._unsetMaterialEvents()}}get model(){return this._model}set lightmapped(e){if(e!==this._lightmapped&&(this._lightmapped=e,this._model)){const t=this._model.meshInstances;for(let s=0;s<t.length;s++)t[s].setLightmapped(e)}}get lightmapped(){return this._lightmapped}set castShadows(e){if(this._castShadows===e)return;const t=this._model;if(t){const s=this.layers,i=this.system.app.scene;if(this._castShadows&&!e)for(let a=0;a<s.length;a++){const n=this.system.app.scene.layers.getLayerById(this.layers[a]);n&&n.removeShadowCasters(t.meshInstances)}const r=t.meshInstances;for(let a=0;a<r.length;a++)r[a].castShadow=e;if(!this._castShadows&&e)for(let a=0;a<s.length;a++){const n=i.layers.getLayerById(s[a]);n&&n.addShadowCasters(t.meshInstances)}}this._castShadows=e}get castShadows(){return this._castShadows}set receiveShadows(e){if(this._receiveShadows!==e&&(this._receiveShadows=e,this._model)){const t=this._model.meshInstances;for(let s=0,i=t.length;s<i;s++)t[s].receiveShadow=e}}get receiveShadows(){return this._receiveShadows}set castShadowsLightmap(e){this._castShadowsLightmap=e}get castShadowsLightmap(){return this._castShadowsLightmap}set lightmapSizeMultiplier(e){this._lightmapSizeMultiplier=e}get lightmapSizeMultiplier(){return this._lightmapSizeMultiplier}set layers(e){const t=this.system.app.scene.layers;if(this.meshInstances)for(let s=0;s<this._layers.length;s++){const i=t.getLayerById(this._layers[s]);i&&i.removeMeshInstances(this.meshInstances)}this._layers.length=0;for(let s=0;s<e.length;s++)this._layers[s]=e[s];if(!(!this.enabled||!this.entity.enabled||!this.meshInstances))for(let s=0;s<this._layers.length;s++){const i=t.getLayerById(this._layers[s]);i&&i.addMeshInstances(this.meshInstances)}}get layers(){return this._layers}set batchGroupId(e){this._batchGroupId!==e&&(this.entity.enabled&&this._batchGroupId>=0&&this.system.app.batcher?.remove(Zt.MODEL,this.batchGroupId,this.entity),this.entity.enabled&&e>=0&&this.system.app.batcher?.insert(Zt.MODEL,e,this.entity),e<0&&this._batchGroupId>=0&&this.enabled&&this.entity.enabled&&this.addModelToLayers(),this._batchGroupId=e)}get batchGroupId(){return this._batchGroupId}set materialAsset(e){let t=e;e instanceof pe&&(t=e.id);const s=this.system.app.assets;if(t!==this._materialAsset){if(this._materialAsset){s.off(`add:${this._materialAsset}`,this._onMaterialAssetAdd,this);const i=s.get(this._materialAsset);i&&this._unbindMaterialAsset(i)}if(this._materialAsset=t,this._materialAsset){const i=s.get(this._materialAsset);i?this._bindMaterialAsset(i):(this._setMaterial(this.system.defaultMaterial),s.on(`add:${this._materialAsset}`,this._onMaterialAssetAdd,this))}else this._setMaterial(this.system.defaultMaterial)}}get materialAsset(){return this._materialAsset}set material(e){this._material!==e&&(this.materialAsset=null,this._setMaterial(e))}get material(){return this._material}set mapping(e){if(this._type!=="asset"||(this._unsetMaterialEvents(),e||(e={}),this._mapping=e,!this._model))return;

11887const t=this._model.meshInstances,s=this.asset?this.system.app.assets.get(this.asset):null,i=s?s.data.mapping:null;let r=null;for(let a=0,n=t.length;a<n;a++)if(e[a]!==void 0)e[a]?(r=this.system.app.assets.get(e[a]),this._loadAndSetMeshInstanceMaterial(r,t[a],a)):t[a].material=this.system.defaultMaterial;else if(i)if(i[a]&&(i[a].material||i[a].path)){if(i[a].material!==void 0)r=this.system.app.assets.get(i[a].material);else if(i[a].path!==void 0){const o=this._getMaterialAssetUrl(i[a].path);o&&(r=this.system.app.assets.getByUrl(o))}this._loadAndSetMeshInstanceMaterial(r,t[a],a)}else t[a].material=this.system.defaultMaterial}get mapping(){return this._mapping}addModelToLayers(){const e=this.system.app.scene.layers;for(let t=0;t<this._layers.length;t++){const s=e.getLayerById(this._layers[t]);s&&s.addMeshInstances(this.meshInstances)}}removeModelFromLayers(){const e=this.system.app.scene.layers;for(let t=0;t<this._layers.length;t++){const s=e.getLayerById(this._layers[t]);s&&s.removeMeshInstances(this.meshInstances)}}onRemoveChild(){this._model&&this.removeModelFromLayers()}onInsertChild(){this._model&&this.enabled&&this.entity.enabled&&this.addModelToLayers()}onRemove(){this.asset=null,this.model=null,this.materialAsset=null,this._unsetMaterialEvents(),this.entity.off("remove",this.onRemoveChild,this),this.entity.off("insert",this.onInsertChild,this)}onLayersChanged(e,t){this.addModelToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this.layers.indexOf(e.id)<0||e.addMeshInstances(this.meshInstances)}onLayerRemoved(e){this.layers.indexOf(e.id)<0||e.removeMeshInstances(this.meshInstances)}_setMaterialEvent(e,t,s,i){const r=`${t}:${s}`;this.system.app.assets.on(r,i,this),this._materialEvents||(this._materialEvents=[]),this._materialEvents[e]||(this._materialEvents[e]={}),this._materialEvents[e][r]={id:s,handler:i}}_unsetMaterialEvents(){const e=this.system.app.assets,t=this._materialEvents;if(t){for(let s=0,i=t.length;s<i;s++){if(!t[s])continue;const r=t[s];for(const a in r)e.off(a,r[a].handler,this)}this._materialEvents=null}}_getAssetByIdOrPath(e){let t=null;if(!isNaN(parseInt(e,10)))t=this.system.app.assets.get(e);else if(this.asset){const i=this._getMaterialAssetUrl(e);i&&(t=this.system.app.assets.getByUrl(i))}return t}_getMaterialAssetUrl(e){if(!this.asset)return null;const t=this.system.app.assets.get(this.asset);return t?t.getAbsoluteUrl(e):null}_loadAndSetMeshInstanceMaterial(e,t,s){const i=this.system.app.assets;e&&(e.resource?(t.material=e.resource,this._setMaterialEvent(s,"remove",e.id,function(){t.material=this.system.defaultMaterial})):(this._setMaterialEvent(s,"load",e.id,function(r){t.material=r.resource,this._setMaterialEvent(s,"remove",e.id,function(){t.material=this.system.defaultMaterial})}),this.enabled&&this.entity.enabled&&i.load(e)))}onEnable(){const e=this.system.app,t=e.scene,s=t?.layers;this._evtLayersChanged=t.on("set:layers",this.onLayersChanged,this),s&&(this._evtLayerAdded=s.on("add",this.onLayerAdded,this),this._evtLayerRemoved=s.on("remove",this.onLayerRemoved,this));const i=this._type==="asset";let r;if(this._model?this.addModelToLayers():i&&this._asset&&(r=e.assets.get(this._asset),r&&r.resource!==this._model&&this._bindModelAsset(r)),this._materialAsset&&(r=e.assets.get(this._materialAsset),r&&r.resource!==this._material&&this._bindMaterialAsset(r)),i&&this._mapping)for(const a in this._mapping)this._mapping[a]&&(r=this._getAssetByIdOrPath(this._mapping[a]),r&&!r.resource&&e.assets.load(r));this._batchGroupId>=0&&e.batcher?.insert(Zt.MODEL,this.batchGroupId,this.entity)}onDisable(){const e=this.system.app,s=e.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,s&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this._batchGroupId>=0&&e.batcher?.remove(Zt.MODEL,this.batchGroupId,this.entity),this._model&&this.removeModelFromLayers()}hide(){if(this._model){const e=this._model.meshInstances;for(let t=0,s=e.length;t<s;t++)e[t].visible=!1}}show(){if(this._model){const e=this._model.meshInstances;for(let t=0,s=e.length;t<s;t++)e[t].visible=!0}}_bindMaterialAsset(e){if(e.on("load",this._onMaterialAssetLoad,this),e.on("unload",this._onMaterialAssetUnload,this),e.on("remove",this._onMaterialAssetRemove,this),e.on("change",this._onMaterialAssetChange,this),e.resource)this._onMaterialAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;

11887this.system.app.assets.load(e)}}_unbindMaterialAsset(e){e.off("load",this._onMaterialAssetLoad,this),e.off("unload",this._onMaterialAssetUnload,this),e.off("remove",this._onMaterialAssetRemove,this),e.off("change",this._onMaterialAssetChange,this)}_onMaterialAssetAdd(e){this.system.app.assets.off(`add:${e.id}`,this._onMaterialAssetAdd,this),this._materialAsset===e.id&&this._bindMaterialAsset(e)}_onMaterialAssetLoad(e){this._setMaterial(e.resource)}_onMaterialAssetUnload(e){this._setMaterial(this.system.defaultMaterial)}_onMaterialAssetRemove(e){this._onMaterialAssetUnload(e)}_onMaterialAssetChange(e){}_bindModelAsset(e){if(this._unbindModelAsset(e),e.on("load",this._onModelAssetLoad,this),e.on("unload",this._onModelAssetUnload,this),e.on("change",this._onModelAssetChange,this),e.on("remove",this._onModelAssetRemove,this),e.resource)this._onModelAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;this.system.app.assets.load(e)}}_unbindModelAsset(e){e.off("load",this._onModelAssetLoad,this),e.off("unload",this._onModelAssetUnload,this),e.off("change",this._onModelAssetChange,this),e.off("remove",this._onModelAssetRemove,this)}_onModelAssetAdded(e){this.system.app.assets.off(`add:${e.id}`,this._onModelAssetAdded,this),e.id===this._asset&&this._bindModelAsset(e)}_onModelAssetLoad(e){this.model=e.resource.clone(),this._clonedModel=!0}_onModelAssetUnload(e){this.model=null}_onModelAssetChange(e,t,s,i){t==="data"&&(this.mapping=this._mapping)}_onModelAssetRemove(e){this.model=null}_setMaterial(e){if(this._material===e)return;this._material=e;const t=this._model;if(t&&this._type!=="asset"){const s=t.meshInstances;for(let i=0,r=s.length;i<r;i++)s[i].material=e}}}class vk{enabled=!0}const Kw=["enabled"];class Sk extends Tt{constructor(e){super(e),this.id="model",this.ComponentType=Zg,this.DataType=vk,this.schema=Kw,this.defaultMaterial=Zo(e.graphicsDevice),this.on("beforeremove",this.onRemove,this)}initializeComponentData(e,t,s){s=["material","materialAsset","asset","castShadows","receiveShadows","castShadowsLightmap","lightmapped","lightmapSizeMultiplier","type","mapping","layers","isStatic","batchGroupId"],(t.batchGroupId===null||t.batchGroupId===void 0)&&(t.batchGroupId=-1),t.layers&&t.layers.length&&(t.layers=t.layers.slice(0));for(let i=0;i<s.length;i++)t.hasOwnProperty(s[i])&&(e[s[i]]=t[s[i]]);t.aabbCenter&&t.aabbHalfExtents&&(e.customAabb=new Le(new E(t.aabbCenter),new E(t.aabbHalfExtents))),super.initializeComponentData(e,t,["enabled"])}cloneComponent(e,t){const s={type:e.model.type,asset:e.model.asset,castShadows:e.model.castShadows,receiveShadows:e.model.receiveShadows,castShadowsLightmap:e.model.castShadowsLightmap,lightmapped:e.model.lightmapped,lightmapSizeMultiplier:e.model.lightmapSizeMultiplier,isStatic:e.model.isStatic,enabled:e.model.enabled,layers:e.model.layers,batchGroupId:e.model.batchGroupId,mapping:Ud({},e.model.mapping)};let i=e.model.materialAsset;!(i instanceof pe)&&i!=null&&(i=this.app.assets.get(i));const r=e.model.material;(!r||r===this.defaultMaterial||!i||r===i.resource)&&(s.materialAsset=i);const a=this.addComponent(t,s);if(e.model.model&&e.model.type==="asset"&&!e.model.asset&&(a.model=e.model.model.clone(),a._clonedModel=!0),s.materialAsset||(a.material=r),e.model.model){const n=e.model.model.meshInstances,o=a.model.meshInstances;for(let c=0;c<n.length;c++)o[c].mask=n[c].mask,o[c].material=n[c].material,o[c].layer=n[c].layer,o[c].receiveShadow=n[c].receiveShadow}return e.model.customAabb&&(a.customAabb=e.model.customAabb.clone()),a}onRemove(e,t){t.onRemove()}}ye._buildAccessors(Zg.prototype,Kw);const yk=["emitterExtents","emitterRadius","emitterExtentsInner","emitterRadiusInner","loop","initialVelocity","animSpeed","normalMap","particleNormal"],xk=["numParticles","lifetime","rate","rate2","startAngle","startAngle2","lighting","halfLambert","intensity","wrap","wrapBounds","depthWrite","noFog","sort","stretch","alignToMotion","preWarm","emitterShape","animTilesX","animTilesY","animStartFrame","animNumFrames","animNumAnimations","animIndex","randomizeAnimIndex","animLoop","colorMap","localSpace","screenSpace","orientation"],Tk=["scaleGraph","scaleGraph2","colorGraph","colorGraph2","alphaGraph","alphaGraph2","velocityGraph","velocityGraph2","localVelocityGraph","localVelocityGraph2","rotationSpeedGraph","rotationSpeedGraph2","radialSpeedGraph","radialSpeedGraph2"],id=["colorMapAsset","normalMapAsset","meshAsset","renderAsset"];let Zn;class wk extends ye{_requestedDepth=!1;_drawOrder=0;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;_evtSetMeshes=null;constructor(e,t){super(e,t),this.on("set_colorMapAsset",this.onSetColorMapAsset,this),this.on("set_normalMapAsset",this.onSetNormalMapAsset,this),this.on("set_meshAsset",this.onSetMeshAsset,this),this.on("set_mesh",this.onSetMesh,this),this.on("set_renderAsset",this.onSetRenderAsset,this),this.on("set_loop",this.onSetLoop,this),this.on("set_blendType",this.onSetBlendType,this),this.on("set_depthSoftening",this.onSetDepthSoftening,this),this.on("set_layers",this.onSetLayers,this),yk.forEach(s=>{this.on(`set_${s}`,this.onSetSimpleProperty,this)}),xk.forEach(s=>{this.on(`set_${s}`,this.onSetComplexProperty,this)}

11887),Tk.forEach(s=>{this.on(`set_${s}`,this.onSetGraphProperty,this)})}set enabled(e){this._setValue("enabled",e)}get enabled(){return this.data.enabled}set autoPlay(e){this._setValue("autoPlay",e)}get autoPlay(){return this.data.autoPlay}set numParticles(e){this._setValue("numParticles",e)}get numParticles(){return this.data.numParticles}set lifetime(e){this._setValue("lifetime",e)}get lifetime(){return this.data.lifetime}set rate(e){this._setValue("rate",e)}get rate(){return this.data.rate}set rate2(e){this._setValue("rate2",e)}get rate2(){return this.data.rate2}set startAngle(e){this._setValue("startAngle",e)}get startAngle(){return this.data.startAngle}set startAngle2(e){this._setValue("startAngle2",e)}get startAngle2(){return this.data.startAngle2}set loop(e){this._setValue("loop",e)}get loop(){return this.data.loop}set preWarm(e){this._setValue("preWarm",e)}get preWarm(){return this.data.preWarm}set lighting(e){this._setValue("lighting",e)}get lighting(){return this.data.lighting}set halfLambert(e){this._setValue("halfLambert",e)}get halfLambert(){return this.data.halfLambert}set intensity(e){this._setValue("intensity",e)}get intensity(){return this.data.intensity}set depthWrite(e){this._setValue("depthWrite",e)}get depthWrite(){return this.data.depthWrite}set noFog(e){this._setValue("noFog",e)}get noFog(){return this.data.noFog}set depthSoftening(e){this._setValue("depthSoftening",e)}get depthSoftening(){return this.data.depthSoftening}set sort(e){this._setValue("sort",e)}get sort(){return this.data.sort}set blendType(e){this._setValue("blendType",e)}get blendType(){return this.data.blendType}set stretch(e){this._setValue("stretch",e)}get stretch(){return this.data.stretch}set alignToMotion(e){this._setValue("alignToMotion",e)}get alignToMotion(){return this.data.alignToMotion}set emitterShape(e){this._setValue("emitterShape",e)}get emitterShape(){return this.data.emitterShape}set emitterExtents(e){this._setValue("emitterExtents",e)}get emitterExtents(){return this.data.emitterExtents}set emitterExtentsInner(e){this._setValue("emitterExtentsInner",e)}get emitterExtentsInner(){return this.data.emitterExtentsInner}set emitterRadius(e){this._setValue("emitterRadius",e)}get emitterRadius(){return this.data.emitterRadius}set emitterRadiusInner(e){this._setValue("emitterRadiusInner",e)}get emitterRadiusInner(){return this.data.emitterRadiusInner}set initialVelocity(e){this._setValue("initialVelocity",e)}get initialVelocity(){return this.data.initialVelocity}set wrap(e){this._setValue("wrap",e)}get wrap(){return this.data.wrap}set wrapBounds(e){this._setValue("wrapBounds",e)}get wrapBounds(){return this.data.wrapBounds}set localSpace(e){this._setValue("localSpace",e)}get localSpace(){return this.data.localSpace}set screenSpace(e){this._setValue("screenSpace",e)}get screenSpace(){return this.data.screenSpace}set colorMapAsset(e){this._setValue("colorMapAsset",e)}get colorMapAsset(){return this.data.colorMapAsset}set normalMapAsset(e){this._setValue("normalMapAsset",e)}get normalMapAsset(){return this.data.normalMapAsset}set mesh(e){this._setValue("mesh",e)}get mesh(){return this.data.mesh}set meshAsset(e){this._setValue("meshAsset",e)}get meshAsset(){return this.data.meshAsset}set renderAsset(e){this._setValue("renderAsset",e)}get renderAsset(){return this.data.renderAsset}set orientation(e){this._setValue("orientation",e)}get orientation(){return this.data.orientation}set particleNormal(e){this._setValue("particleNormal",e)}get particleNormal(){return this.data.particleNormal}set localVelocityGraph(e){this._setValue("localVelocityGraph",e)}get localVelocityGraph(){return this.data.localVelocityGraph}set localVelocityGraph2(e){this._setValue("localVelocityGraph2",e)}get localVelocityGraph2(){return this.data.localVelocityGraph2}set velocityGraph(e){this._setValue("velocityGraph",e)}get velocityGraph(){return this.data.velocityGraph}set velocityGraph2(e){this._setValue("velocityGraph2",e)}get velocityGraph2(){return this.data.velocityGraph2}set rotationSpeedGraph(e){this._setValue("rotationSpeedGraph",e)}get rotationSpeedGraph(){return this.data.rotationSpeedGraph}set rotationSpeedGraph2(e){this._setValue("rotationSpeedGraph2",e)}get rotationSpeedGraph2(){return this.data.rotationSpeedGraph2}set radialSpeedGraph(e){this._setValue("radialSpeedGraph",e)}get radialSpeedGraph(){return this.data.radialSpeedGraph}set radialSpeedGraph2(e){this._setValue("radialSpeedGraph2",e)}get radialSpeedGraph2(){return this.data.radialSpeedGraph2}set scaleGraph(e){this._setValue("scaleGraph",e)}get scaleGraph(){return this.data.scaleGraph}set scaleGraph2(e){this._setValue("scaleGraph2",e)}get scaleGraph2(){return this.data.scaleGraph2}set colorGraph(e){this._setValue("colorGraph",e)}get colorGraph(){return this.data.colorGraph}set colorGraph2(e){this._setValue("colorGraph2",e)}get colorGraph2(){return this.data.colorGraph2}set alphaGraph(e){this._setValue("alphaGraph",e)}get alphaGraph(){return this.data.alphaGraph}set alphaGraph2(e){this._setValue("alphaGraph2",e)}get alphaGraph2(){return this.data.alphaGraph2}set colorMap(e){this._setValue("colorMap",e)}get colorMap(){return this.data.colorMap}set normalMap(e){this._setValue("normalMap",e)}get normalMap(){return this.data.normalMap}set animTilesX(e){this._setValue("animTilesX",e)}get animTilesX(){return this.data.animTilesX}set animTilesY(e){this._setValue("animTilesY",e)}get animTilesY(){return this.data.animTilesY}set animStartFrame(e){this._setValue("animStartFrame",e)}get animStartFrame(){return this.data.animStartFrame}set animNumFrames(e){this._setValue("animNumFrames",e)}get animNumFrames(){return this.data.animNumFrames}set animNumAnimations(e){this._setValue("animNumAnimations",e)}get animNumAnimations(){return this.data.animNumAnimations}set animIndex(e){this._setValue("animIndex",e)}get animIndex(){return this.data.animIndex}set randomizeAnimIndex(e){this._setValue("randomizeAnimIndex",e)}get randomizeAnimIndex(){return this.data.randomizeAnimIndex}set animSpeed(e){this._setValue("animSpeed",e)}get animSpeed(){return this.data.animSpeed}set animLoop(e){this._setValue("animLoop",e)}get animLoop(){return this.data.animLoop}set layers(e){this._setValue("layers",e)}get layers(){return this.data.layers}set drawOrder(e){this._drawOrder=e,this.emitter&&(this.emitter.drawOrder=e)}get drawOrder(){return this._drawOrder}_setValue(e,t){const s=this.data,i=s[e];s[e]=t,this.fire("set",e,i,t)}addMeshInstanceToLayers(){if(this.emitter)for(let e=0;e<this.layers.length;

11887e++){const t=this.system.app.scene.layers.getLayerById(this.layers[e]);t&&(t.addMeshInstances([this.emitter.meshInstance]),this.emitter._layer=t)}}removeMeshInstanceFromLayers(){if(this.emitter)for(let e=0;e<this.layers.length;e++){const t=this.system.app.scene.layers.getLayerById(this.layers[e]);t&&t.removeMeshInstances([this.emitter.meshInstance])}}onSetLayers(e,t,s){if(this.emitter){for(let i=0;i<t.length;i++){const r=this.system.app.scene.layers.getLayerById(t[i]);r&&r.removeMeshInstances([this.emitter.meshInstance])}if(!(!this.enabled||!this.entity.enabled))for(let i=0;i<s.length;i++){const r=this.system.app.scene.layers.getLayerById(s[i]);r&&r.addMeshInstances([this.emitter.meshInstance])}}}onLayersChanged(e,t){this.addMeshInstanceToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){!this.emitter||this.layers.indexOf(e.id)<0||e.addMeshInstances([this.emitter.meshInstance])}onLayerRemoved(e){!this.emitter||this.layers.indexOf(e.id)<0||e.removeMeshInstances([this.emitter.meshInstance])}_bindColorMapAsset(e){if(e.on("load",this._onColorMapAssetLoad,this),e.on("unload",this._onColorMapAssetUnload,this),e.on("remove",this._onColorMapAssetRemove,this),e.on("change",this._onColorMapAssetChange,this),e.resource)this._onColorMapAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;this.system.app.assets.load(e)}}_unbindColorMapAsset(e){e.off("load",this._onColorMapAssetLoad,this),e.off("unload",this._onColorMapAssetUnload,this),e.off("remove",this._onColorMapAssetRemove,this),e.off("change",this._onColorMapAssetChange,this)}_onColorMapAssetLoad(e){this.colorMap=e.resource}_onColorMapAssetUnload(e){this.colorMap=null}_onColorMapAssetRemove(e){this._onColorMapAssetUnload(e)}_onColorMapAssetChange(e){}onSetColorMapAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&this._unbindColorMapAsset(r)}if(s){s instanceof pe&&(this.data.colorMapAsset=s.id,s=s.id);const r=i.get(s);r?this._bindColorMapAsset(r):i.once(`add:${s}`,a=>{this._bindColorMapAsset(a)})}else this.colorMap=null}_bindNormalMapAsset(e){if(e.on("load",this._onNormalMapAssetLoad,this),e.on("unload",this._onNormalMapAssetUnload,this),e.on("remove",this._onNormalMapAssetRemove,this),e.on("change",this._onNormalMapAssetChange,this),e.resource)this._onNormalMapAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;this.system.app.assets.load(e)}}_unbindNormalMapAsset(e){e.off("load",this._onNormalMapAssetLoad,this),e.off("unload",this._onNormalMapAssetUnload,this),e.off("remove",this._onNormalMapAssetRemove,this),e.off("change",this._onNormalMapAssetChange,this)}_onNormalMapAssetLoad(e){this.normalMap=e.resource}_onNormalMapAssetUnload(e){this.normalMap=null}_onNormalMapAssetRemove(e){this._onNormalMapAssetUnload(e)}_onNormalMapAssetChange(e){}onSetNormalMapAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&this._unbindNormalMapAsset(r)}if(s){s instanceof pe&&(this.data.normalMapAsset=s.id,s=s.id);const r=i.get(s);r?this._bindNormalMapAsset(r):i.once(`add:${s}`,a=>{this._bindNormalMapAsset(a)})}else this.normalMap=null}_bindMeshAsset(e){if(e.on("load",this._onMeshAssetLoad,this),e.on("unload",this._onMeshAssetUnload,this),e.on("remove",this._onMeshAssetRemove,this),e.on("change",this._onMeshAssetChange,this),e.resource)this._onMeshAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;this.system.app.assets.load(e)}}_unbindMeshAsset(e){e.off("load",this._onMeshAssetLoad,this),e.off("unload",this._onMeshAssetUnload,this),e.off("remove",this._onMeshAssetRemove,this),e.off("change",this._onMeshAssetChange,this)}_onMeshAssetLoad(e){this._onMeshChanged(e.resource)}_onMeshAssetUnload(e){this.mesh=null}_onMeshAssetRemove(e){this._onMeshAssetUnload(e)}_onMeshAssetChange(e){}onSetMeshAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&this._unbindMeshAsset(r)}if(s){s instanceof pe&&(this.data.meshAsset=s.id,s=s.id);const r=i.get(s);r&&this._bindMeshAsset(r)}else this._onMeshChanged(null)}onSetMesh(e,t,s){!s||s instanceof pe||typeof s=="number"?this.meshAsset=s:this._onMeshChanged(s)}_onMeshChanged(e){e&&!(e instanceof at)&&(e.meshInstances[0]?e=e.meshInstances[0].mesh:e=null),this.data.mesh=e,this.emitter&&(this.emitter.mesh=e,this.emitter.resetMaterial(),this.rebuild())}

11887onSetRenderAsset(e,t,s){const i=this.system.app.assets;if(t){const r=i.get(t);r&&this._unbindRenderAsset(r)}if(s){s instanceof pe&&(this.data.renderAsset=s.id,s=s.id);const r=i.get(s);r&&this._bindRenderAsset(r)}else this._onRenderChanged(null)}_bindRenderAsset(e){if(e.on("load",this._onRenderAssetLoad,this),e.on("unload",this._onRenderAssetUnload,this),e.on("remove",this._onRenderAssetRemove,this),e.resource)this._onRenderAssetLoad(e);else{if(!this.enabled||!this.entity.enabled)return;this.system.app.assets.load(e)}}_unbindRenderAsset(e){e.off("load",this._onRenderAssetLoad,this),e.off("unload",this._onRenderAssetUnload,this),e.off("remove",this._onRenderAssetRemove,this),this._evtSetMeshes?.off(),this._evtSetMeshes=null}_onRenderAssetLoad(e){this._onRenderChanged(e.resource)}_onRenderAssetUnload(e){this._onRenderChanged(null)}_onRenderAssetRemove(e){this._onRenderAssetUnload(e)}_onRenderChanged(e){if(!e){this._onMeshChanged(null);return}this._evtSetMeshes?.off(),this._evtSetMeshes=e.on("set:meshes",this._onRenderSetMeshes,this),e.meshes&&this._onRenderSetMeshes(e.meshes)}_onRenderSetMeshes(e){this._onMeshChanged(e&&e[0])}onSetLoop(e,t,s){this.emitter&&(this.emitter[e]=s,this.emitter.resetTime())}onSetBlendType(e,t,s){this.emitter&&(this.emitter[e]=s,this.emitter.material.blendType=s,this.emitter.resetMaterial(),this.rebuild())}_requestDepth(){this._requestedDepth||(Zn||(Zn=this.system.app.scene.layers.getLayerById(ks)),Zn&&(Zn.incrementCounter(),this._requestedDepth=!0))}_releaseDepth(){this._requestedDepth&&Zn&&(Zn.decrementCounter(),this._requestedDepth=!1)}onSetDepthSoftening(e,t,s){t!==s&&(s?(this.enabled&&this.entity.enabled&&this._requestDepth(),this.emitter&&(this.emitter[e]=s)):(this.enabled&&this.entity.enabled&&this._releaseDepth(),this.emitter&&(this.emitter[e]=s)),this.emitter&&(this.reset(),this.emitter.resetMaterial(),this.rebuild()))}onSetSimpleProperty(e,t,s){this.emitter&&(this.emitter[e]=s,this.emitter.resetMaterial())}onSetComplexProperty(e,t,s){this.emitter&&(this.emitter[e]=s,this.emitter.resetMaterial(),this.rebuild(),this.reset())}onSetGraphProperty(e,t,s){this.emitter&&(this.emitter[e]=s,this.emitter.rebuildGraphs(),this.emitter.resetMaterial())}onEnable(){const e=this.system.app.scene,t=e.layers,s=this.data;for(let i=0,r=id.length;i<r;i++){let a=s[id[i]];if(a){if(!(a instanceof pe))if(parseInt(a,10)>=0)a=this.system.app.assets.get(a);else continue;a&&!a.resource&&this.system.app.assets.load(a)}}if(!this.system.app.graphicsDevice.disableParticleSystem){if(!this.emitter){let i=s.mesh;i instanceof at||(i=null),this.emitter=new CD(this.system.app.graphicsDevice,{numParticles:s.numParticles,emitterExtents:s.emitterExtents,emitterExtentsInner:s.emitterExtentsInner,emitterRadius:s.emitterRadius,emitterRadiusInner:s.emitterRadiusInner,emitterShape:s.emitterShape,initialVelocity:s.initialVelocity,wrap:s.wrap,localSpace:s.localSpace,screenSpace:s.screenSpace,wrapBounds:s.wrapBounds,lifetime:s.lifetime,rate:s.rate,rate2:s.rate2,orientation:s.orientation,particleNormal:s.particleNormal,animTilesX:s.animTilesX,animTilesY:s.animTilesY,animStartFrame:s.animStartFrame,animNumFrames:s.animNumFrames,animNumAnimations:s.animNumAnimations,animIndex:s.animIndex,randomizeAnimIndex:s.randomizeAnimIndex,animSpeed:s.animSpeed,animLoop:s.animLoop,startAngle:s.startAngle,startAngle2:s.startAngle2,scaleGraph:s.scaleGraph,scaleGraph2:s.scaleGraph2,colorGraph:s.colorGraph,colorGraph2:s.colorGraph2,alphaGraph:s.alphaGraph,alphaGraph2:s.alphaGraph2,localVelocityGraph:s.localVelocityGraph,localVelocityGraph2:s.localVelocityGraph2,velocityGraph:s.velocityGraph,velocityGraph2:s.velocityGraph2,rotationSpeedGraph:s.rotationSpeedGraph,rotationSpeedGraph2:s.rotationSpeedGraph2,radialSpeedGraph:s.radialSpeedGraph,radialSpeedGraph2:s.radialSpeedGraph2,colorMap:s.colorMap,normalMap:s.normalMap,loop:s.loop,preWarm:s.preWarm,sort:s.sort,stretch:s.stretch,alignToMotion:s.alignToMotion,lighting:s.lighting,halfLambert:s.halfLambert,intensity:s.intensity,depthSoftening:s.depthSoftening,scene:this.system.app.scene,mesh:i,depthWrite:s.depthWrite,noFog:s.noFog,node:this.entity,blendType:s.blendType}),this.emitter.meshInstance.node=this.entity,this.emitter.drawOrder=this.drawOrder,s.autoPlay||(this.pause(),this.emitter.meshInstance.visible=!1)}this.emitter.colorMap&&this.addMeshInstanceToLayers(),this._evtLayersChanged=e.on("set:layers",this.onLayersChanged,this),t&&(this._evtLayerAdded=t.on("add",this.onLayerAdded,this),this._evtLayerRemoved=t.on("remove",this.onLayerRemoved,this)),this.enabled&&this.entity.enabled&&s.depthSoftening&&this._requestDepth()}}

11887onDisable(){const t=this.system.app.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this.emitter&&(this.removeMeshInstanceFromLayers(),this.data.depthSoftening&&this._releaseDepth(),this.emitter.camera=null)}onBeforeRemove(){this.enabled&&(this.enabled=!1),this.emitter&&(this.emitter.destroy(),this.emitter=null);for(let e=0;e<id.length;e++){const t=id[e];this.data[t]&&(this[t]=null)}this.off()}reset(){this.emitter&&this.emitter.reset()}stop(){this.emitter&&(this.emitter.loop=!1,this.emitter.resetTime(),this.emitter.addTime(0,!0))}pause(){this.data.paused=!0}unpause(){this.data.paused=!1}play(){this.data.paused=!1,this.emitter&&(this.emitter.meshInstance.visible=!0,this.emitter.loop=this.data.loop,this.emitter.resetTime())}isPlaying(){return this.data.paused?!1:this.emitter&&this.emitter.loop?!0:Date.now()<=this.emitter.endTime}setInTools(){const{emitter:e}=this;e&&!e.inTools&&(e.inTools=!0,this.rebuild())}rebuild(){const e=this.enabled;this.enabled=!1,this.emitter&&this.emitter.rebuild(),this.enabled=e}}class Ck{numParticles=1;rate=1;rate2=null;startAngle=0;startAngle2=null;lifetime=50;emitterExtents=new E;emitterExtentsInner=new E;emitterRadius=0;emitterRadiusInner=0;emitterShape=Ri;initialVelocity=0;wrap=!1;wrapBounds=new E;localSpace=!1;screenSpace=!1;colorMap=null;colorMapAsset=null;normalMap=null;normalMapAsset=null;loop=!0;preWarm=!1;sort=0;mode=wT;scene=null;lighting=!1;halfLambert=!1;intensity=1;stretch=0;alignToMotion=!1;depthSoftening=0;renderAsset=null;meshAsset=null;mesh=null;depthWrite=!1;noFog=!1;orientation=ru;particleNormal=new E(0,1,0);animTilesX=1;animTilesY=1;animStartFrame=0;animNumFrames=1;animNumAnimations=1;animIndex=0;randomizeAnimIndex=!1;animSpeed=1;animLoop=!0;scaleGraph=null;scaleGraph2=null;colorGraph=null;colorGraph2=null;alphaGraph=null;alphaGraph2=null;localVelocityGraph=null;localVelocityGraph2=null;velocityGraph=null;velocityGraph2=null;rotationSpeedGraph=null;rotationSpeedGraph2=null;radialSpeedGraph=null;radialSpeedGraph2=null;blendType=Wi;enabled=!0;paused=!1;autoPlay=!0;layers=[Ir]}var Ek=`
11888varying vec4 texCoordsAlphaLife;
11889uniform sampler2D colorMap;
11890uniform sampler2D colorParam;
11891uniform float graphSampleSize;
11892uniform float graphNumSamples;
11893#ifndef CAMERAPLANES
11894	#define CAMERAPLANES
11895	uniform vec4 camera_params;
11896#endif
11897#ifdef SOFT
11898	uniform float softening;
11899#endif
11900uniform float colorMult;
11901float saturate(float x) {
11902	return clamp(x, 0.0, 1.0);
11903}
11904void main(void) {
11905	vec4 tex  = texture2D(colorMap, vec2(texCoordsAlphaLife.x, 1.0 - texCoordsAlphaLife.y));
11906	vec4 ramp = texture2D(colorParam, vec2(texCoordsAlphaLife.w, 0.0));
11907	ramp.rgb *= colorMult;
11908	ramp.a += texCoordsAlphaLife.z;
11909	vec3 rgb = tex.rgb * ramp.rgb;
11910	float a  = tex.a * ramp.a;
11911`,bk=`
11912vec3 unpack3NFloats(float src) {
11913	float r = fract(src);
11914	float g = fract(src * 256.0);
11915	float b = fract(src * 65536.0);
11916	return vec3(r, g, b);
11917}
11918float saturate(float x) {
11919	return clamp(x, 0.0, 1.0);
11920}
11921vec4 tex1Dlod_lerp(TEXTURE_ACCEPT_HIGHP(tex), vec2 tc) {
11922	return mix( texture2D(tex,tc), texture2D(tex,tc + graphSampleSize), fract(tc.x*graphNumSamples) );
11923}
11924vec4 tex1Dlod_lerp(TEXTURE_ACCEPT_HIGHP(tex), vec2 tc, out vec3 w) {
11925	vec4 a = texture2D(tex,tc);
11926	vec4 b = texture2D(tex,tc + graphSampleSize);
11927	float c = fract(tc.x*graphNumSamples);
11928	vec3 unpackedA = unpack3NFloats(a.w);
11929	vec3 unpackedB = unpack3NFloats(b.w);

11930	w = mix(unpackedA, unpackedB, c);
11931	return mix(a, b, c);
11932}
11933vec2 rotate(vec2 quadXY, float pRotation, out mat2 rotMatrix) {
11934	float c = cos(pRotation);
11935	float s = sin(pRotation);
11936	mat2 m = mat2(c, -s, s, c);
11937	rotMatrix = m;
11938	return m * quadXY;
11939}
11940vec3 billboard(vec3 InstanceCoords, vec2 quadXY) {
11941	#ifdef SCREEN_SPACE
11942		vec3 pos = vec3(-1, 0, 0) * quadXY.x + vec3(0, -1, 0) * quadXY.y;
11943	#else
11944		vec3 pos = -matrix_viewInverse[0].xyz * quadXY.x + -matrix_viewInverse[1].xyz * quadXY.y;
11945	#endif
11946	return pos;
11947}
11948vec3 customFace(vec3 InstanceCoords, vec2 quadXY) {
11949	vec3 pos = faceTangent * quadXY.x + faceBinorm * quadXY.y;
11950	return pos;
11951}
11952vec2 safeNormalize(vec2 v) {
11953	float l = length(v);
11954	return (l > 1e-06) ? v / l : v;
11955}
11956void main(void) {
11957	vec3 meshLocalPos = particle_vertexData.xyz;
11958	float id = floor(particle_vertexData.w);
11959	float rndFactor = fract(sin(id + 1.0 + seed));
11960	vec3 rndFactor3 = vec3(rndFactor, fract(rndFactor*10.0), fract(rndFactor*100.0));
11961	float uv = id / numParticlesPot;
11962	readInput(uv);
11963#ifdef LOCAL_SPACE
11964	inVel = mat3(matrix_model) * inVel;
11965#endif
11966	vec2 velocityV = safeNormalize((mat3(matrix_view) * inVel).xy);
11967	float particleLifetime = lifetime;
11968	if (inLife <= 0.0 || inLife > particleLifetime || !inShow)
11969		meshLocalPos = vec3(0.0);
11970	vec2 quadXY = meshLocalPos.xy;
11971	float nlife = clamp(inLife / particleLifetime, 0.0, 1.0);
11972	vec3 paramDiv;
11973	vec4 params = tex1Dlod_lerp(TEXTURE_PASS(internalTex2), vec2(nlife, 0), paramDiv);
11974	float scale = params.y;
11975	float scaleDiv = paramDiv.x;
11976	float alphaDiv = paramDiv.z;
11977	scale += (scaleDiv * 2.0 - 1.0) * scaleDivMult * fract(rndFactor*10000.0);
11978#ifndef USE_MESH
11979	texCoordsAlphaLife = vec4(quadXY * -0.5 + 0.5, (alphaDiv * 2.0 - 1.0) * alphaDivMult * fract(rndFactor*1000.0), nlife);
11980#else
11981	texCoordsAlphaLife = vec4(particle_uv, (alphaDiv * 2.0 - 1.0) * alphaDivMult * fract(rndFactor*1000.0), nlife);
11982#endif
11983	vec3 particlePos = inPos;
11984	vec3 particlePosMoved = vec3(0.0);
11985	mat2 rotMatrix;
11986`,Ak=`
11987	float animFrame = min(floor(texCoordsAlphaLife.w * animTexParams.y) + animTexParams.x, animTexParams.z);
11988`,Pk=`
11989	float animFrame = floor(mod(texCoordsAlphaLife.w * animTexParams.y + animTexParams.x, animTexParams.z + 1.0));
11990`,Ik=`
11991	float animationIndex;
11992	if (animTexIndexParams.y == 1.0) {
11993		animationIndex = floor((animTexParams.w + 1.0) * rndFactor3.z) * (animTexParams.z + 1.0);
11994	} else {
11995		animationIndex = animTexIndexParams.x * (animTexParams.z + 1.0);
11996	}
11997	float atlasX = (animationIndex + animFrame) * animTexTilesParams.x;
11998	float atlasY = 1.0 - floor(atlasX + 1.0) * animTexTilesParams.y;
11999	atlasX = fract(atlasX);
12000	texCoordsAlphaLife.xy *= animTexTilesParams.xy;
12001	texCoordsAlphaLife.xy += vec2(atlasX, atlasY);
12002`,Dk=`
12003void readInput(float uv) {
12004	vec4 tex = texture2D(particleTexIN, vec2(uv, 0.25));
12005	vec4 tex2 = texture2D(particleTexIN, vec2(uv, 0.75));
12006	inPos = tex.xyz;
12007	inVel = tex2.xyz;
12008	inAngle = (tex.w < 0.0? -tex.w : tex.w) - 1000.0;
12009	inShow = tex.w >= 0.0;
12010	inLife = tex2.w;
12011}
12012`,Mk=`
12013#define PI2 6.283185307179586
12014uniform vec3 inBoundsSize;
12015uniform vec3 inBoundsCenter;
12016uniform float maxVel;
12017float decodeFloatRG(vec2 rg) {
12018	return rg.y * (1.0 / 255.0) + rg.x;
12019}
12020float decodeFloatRGBA( vec4 rgba ) {
12021	return dot(rgba, vec4(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 160581375.0));
12022}
12023void readInput(float uv) {
12024	vec4 tex0 = texture2D(particleTexIN, vec2(uv, 0.125));
12025	vec4 tex1 = texture2D(particleTexIN, vec2(uv, 0.375));
12026	vec4 tex2 = texture2D(particleTexIN, vec2(uv, 0.625));
12027	vec4 tex3 = texture2D(particleTexIN, vec2(uv, 0.875));
12028	inPos = vec3(decodeFloatRG(tex0.rg), decodeFloatRG(tex0.ba), decodeFloatRG(tex1.rg));
12029	inPos = (inPos - vec3(0.5)) * inBoundsSize + inBoundsCenter;
12030	inVel = tex2.xyz;
12031	inVel = (inVel - vec3(0.5)) * maxVel;
12032	inAngle = decodeFloatRG(tex1.ba) * PI2;
12033	inShow = tex2.a > 0.5;
12034	inLife = decodeFloatRGBA(tex3);
12035	float maxNegLife = max(lifetime, numParticles * (rate+rateDiv));
12036	float maxPosLife = lifetime+1.0;
12037	inLife = inLife * (maxNegLife + maxPosLife) - maxNegLife;
12038}
12039`,Rk=`
12040void writeOutput() {
12041	if (gl_FragCoord.y<1.0) {
12042		gl_FragColor = vec4(outPos, (outAngle + 1000.0) * visMode);
12043	} else {

12044		gl_FragColor = vec4(outVel, outLife);
12045	}
12046}
12047`,Lk=`
12048uniform vec3 outBoundsMul;
12049uniform vec3 outBoundsAdd;
12050vec2 encodeFloatRG( float v ) {
12051	vec2 enc = vec2(1.0, 255.0) * v;
12052	enc = fract(enc);
12053	enc -= enc.yy * vec2(1.0/255.0, 1.0/255.0);
12054	return enc;
12055}
12056vec4 encodeFloatRGBA( float v ) {
12057	vec4 enc = vec4(1.0, 255.0, 65025.0, 160581375.0) * v;
12058	enc = fract(enc);
12059	enc -= enc.yzww * vec4(1.0/255.0,1.0/255.0,1.0/255.0,0.0);
12060	return enc;
12061}
12062void writeOutput() {
12063	outPos = outPos * outBoundsMul + outBoundsAdd;
12064	outAngle = fract(outAngle / PI2);
12065	outVel = (outVel / maxVel) + vec3(0.5);
12066	float maxNegLife = max(lifetime, numParticles * (rate+rateDiv));
12067	float maxPosLife = lifetime+1.0;
12068	outLife = (outLife + maxNegLife) / (maxNegLife + maxPosLife);
12069	if (gl_FragCoord.y < 1.0) {
12070		gl_FragColor = vec4(encodeFloatRG(outPos.x), encodeFloatRG(outPos.y));
12071	} else if (gl_FragCoord.y < 2.0) {
12072		gl_FragColor = vec4(encodeFloatRG(outPos.z), encodeFloatRG(outAngle));
12073	} else if (gl_FragCoord.y < 3.0) {
12074		gl_FragColor = vec4(outVel, visMode*0.5+0.5);
12075	} else {
12076		gl_FragColor = encodeFloatRGBA(outLife);
12077	}
12078}
12079`,Fk=`
12080uniform mat3 spawnBounds;
12081uniform vec3 spawnPosInnerRatio;
12082vec3 calcSpawnPosition(vec3 inBounds, float rndFactor) {
12083	vec3 pos = inBounds - vec3(0.5);
12084	vec3 posAbs = abs(pos);
12085	vec3 maxPos = vec3(max(posAbs.x, max(posAbs.y, posAbs.z)));
12086	vec3 edge = maxPos + (vec3(0.5) - maxPos) * spawnPosInnerRatio;
12087	pos.x = edge.x * (maxPos.x == posAbs.x ? sign(pos.x) : 2.0 * pos.x);
12088	pos.y = edge.y * (maxPos.y == posAbs.y ? sign(pos.y) : 2.0 * pos.y);
12089	pos.z = edge.z * (maxPos.z == posAbs.z ? sign(pos.z) : 2.0 * pos.z);
12090#ifndef LOCAL_SPACE
12091	return emitterPos + spawnBounds * pos;
12092#else
12093	return spawnBounds * pos;
12094#endif
12095}
12096void addInitialVelocity(inout vec3 localVelocity, vec3 inBounds) {
12097	localVelocity -= vec3(0, 0, initialVelocity);
12098}
12099`,Ok=`
12100	writeOutput();
12101}
12102`,Bk=`
12103varying vec2 vUv0;
12104uniform highp sampler2D particleTexIN;
12105uniform highp sampler2D internalTex0;
12106uniform highp sampler2D internalTex1;
12107uniform highp sampler2D internalTex2;
12108uniform highp sampler2D internalTex3;
12109uniform mat3 emitterMatrix;
12110uniform mat3 emitterMatrixInv;
12111uniform vec3 emitterScale;
12112uniform vec3 emitterPos;
12113uniform vec3 frameRandom;
12114uniform vec3 localVelocityDivMult;
12115uniform vec3 velocityDivMult;
12116uniform float delta;
12117uniform float rate;
12118uniform float rateDiv;
12119uniform float lifetime;
12120uniform float numParticles;
12121uniform float rotSpeedDivMult;
12122uniform float radialSpeedDivMult;
12123uniform float seed;
12124uniform float startAngle;
12125uniform float startAngle2;
12126uniform float initialVelocity;
12127uniform float graphSampleSize;
12128uniform float graphNumSamples;
12129vec3 inPos;
12130vec3 inVel;
12131float inAngle;
12132bool inShow;
12133float inLife;
12134float visMode;
12135vec3 outPos;
12136vec3 outVel;
12137float outAngle;
12138bool outShow;
12139float outLife;
12140`,Nk=`
12141	if (outLife >= lifetime) {
12142		outLife -= max(lifetime, numParticles * particleRate);
12143		visMode = -1.0;
12144	}
12145`,kk=`
12146	visMode = outLife < 0.0? -1.0: visMode;
12147`,Uk=`
12148	if (outLife >= lifetime) {
12149		outLife -= max(lifetime, numParticles * particleRate);
12150		visMode = 1.0;
12151	}
12152	visMode = outLife < 0.0? 1.0: visMode;
12153`,zk=`
12154uniform float spawnBoundsSphere;
12155uniform float spawnBoundsSphereInnerRatio;
12156vec3 calcSpawnPosition(vec3 inBounds, float rndFactor) {
12157	float rnd4 = fract(rndFactor * 1000.0);
12158	vec3 norm = normalize(inBounds.xyz - vec3(0.5));
12159	float r = rnd4 * (1.0 - spawnBoundsSphereInnerRatio) + spawnBoundsSphereInnerRatio;
12160#ifndef LOCAL_SPACE
12161	return emitterPos + norm * r * spawnBoundsSphere;
12162#else
12163	return norm * r * spawnBoundsSphere;
12164#endif
12165}
12166void addInitialVelocity(inout vec3 localVelocity, vec3 inBounds) {
12167	localVelocity += normalize(inBounds - vec3(0.5)) * initialVelocity;
12168}
12169`,Vk=`
12170float saturate(float x) {
12171	return clamp(x, 0.0, 1.0);
12172}
12173vec3 unpack3NFloats(float src) {
12174	float r = fract(src);
12175	float g = fract(src * 256.0);
12176	float b = fract(src * 65536.0);
12177	return vec3(r, g, b);
12178}
12179vec3 tex1Dlod_lerp(TEXTURE_ACCEPT_HIGHP(tex), vec2 tc, out vec3 w) {
12180	vec4 a = texture2D(tex, tc);
12181	vec4 b = texture2D(tex, tc + graphSampleSize);
12182	float c = fract(tc.x * graphNumSamples);
12183	vec3 unpackedA = unpack3NFloats(a.w);
12184	vec3 unpackedB = unpack3NFloats(b.w);

12185	w = mix(unpackedA, unpackedB, c);
12186	return mix(a.xyz, b.xyz, c);
12187}
12188#define HASHSCALE4 vec4(1031, .1030, .0973, .1099)
12189vec4 hash41(float p) {
12190	vec4 p4 = fract(vec4(p) * HASHSCALE4);
12191	p4 += dot(p4, p4.wzxy+19.19);
12192	return fract(vec4((p4.x + p4.y)*p4.z, (p4.x + p4.z)*p4.y, (p4.y + p4.z)*p4.w, (p4.z + p4.w)*p4.x));
12193}
12194void main(void) {
12195	if (gl_FragCoord.x > numParticles) discard;
12196	readInput(vUv0.x);
12197	visMode = inShow? 1.0 : -1.0;
12198	vec4 rndFactor = hash41(gl_FragCoord.x + seed);
12199	float particleRate = rate + rateDiv * rndFactor.x;
12200	outLife = inLife + delta;
12201	float nlife = clamp(outLife / lifetime, 0.0, 1.0);
12202	vec3 localVelocityDiv;
12203	vec3 velocityDiv;
12204	vec3 paramDiv;
12205	vec3 localVelocity = tex1Dlod_lerp(TEXTURE_PASS(internalTex0), vec2(nlife, 0), localVelocityDiv);
12206	vec3 velocity =	  tex1Dlod_lerp(TEXTURE_PASS(internalTex1), vec2(nlife, 0), velocityDiv);
12207	vec3 params =		tex1Dlod_lerp(TEXTURE_PASS(internalTex2), vec2(nlife, 0), paramDiv);
12208	float rotSpeed = params.x;
12209	float rotSpeedDiv = paramDiv.y;
12210	vec3 radialParams = tex1Dlod_lerp(TEXTURE_PASS(internalTex3), vec2(nlife, 0), paramDiv);
12211	float radialSpeed = radialParams.x;
12212	float radialSpeedDiv = radialParams.y;
12213	bool respawn = inLife <= 0.0 || outLife >= lifetime;
12214	inPos = respawn ? calcSpawnPosition(rndFactor.xyz, rndFactor.x) : inPos;
12215	inAngle = respawn ? mix(startAngle, startAngle2, rndFactor.x) : inAngle;
12216#ifndef LOCAL_SPACE
12217	vec3 radialVel = inPos - emitterPos;
12218#else
12219	vec3 radialVel = inPos;
12220#endif
12221	radialVel = (dot(radialVel, radialVel) > 1.0E-8) ? radialSpeed * normalize(radialVel) : vec3(0.0);
12222	radialVel += (radialSpeedDiv * vec3(2.0) - vec3(1.0)) * radialSpeedDivMult * rndFactor.xyz;
12223	localVelocity +=	(localVelocityDiv * vec3(2.0) - vec3(1.0)) * localVelocityDivMult * rndFactor.xyz;
12224	velocity +=		 (velocityDiv * vec3(2.0) - vec3(1.0)) * velocityDivMult * rndFactor.xyz;
12225	rotSpeed +=		 (rotSpeedDiv * 2.0 - 1.0) * rotSpeedDivMult * rndFactor.y;
12226	addInitialVelocity(localVelocity, rndFactor.xyz);
12227#ifndef LOCAL_SPACE
12228	outVel = emitterMatrix * localVelocity + (radialVel + velocity) * emitterScale;
12229#else
12230	outVel = (localVelocity + radialVel) / emitterScale + emitterMatrixInv * velocity;
12231#endif
12232	outPos = inPos + outVel * delta;
12233	outAngle = inAngle + rotSpeed * delta;
12234`,Gk=`
12235	quadXY = rotate(quadXY, inAngle, rotMatrix);
12236	vec3 localPos = billboard(particlePos, quadXY);
12237`,Hk=`
12238	dBlendModeFogFactor = 0.0;
12239	rgb *= saturate(gammaCorrectInput(max(a, 0.0)));
12240	if ((rgb.r + rgb.g + rgb.b) < 0.000001) discard;
12241`,Wk=`
12242	rgb = mix(vec3(1.0), rgb, vec3(a));
12243	if (rgb.r + rgb.g + rgb.b > 2.99) discard;
12244`,Xk=`
12245	if (a < 0.01) discard;
12246`,Yk=`
12247attribute vec4 particle_vertexData;
12248attribute vec4 particle_vertexData2;
12249attribute vec4 particle_vertexData3;
12250attribute float particle_vertexData4;
12251#ifndef USE_MESH
12252	attribute vec2 particle_vertexData5;
12253#else
12254	attribute vec4 particle_vertexData5;
12255#endif
12256uniform mat4 matrix_viewProjection;
12257uniform mat4 matrix_model;
12258#ifndef VIEWMATRIX
12259	#define VIEWMATRIX
12260	uniform mat4 matrix_view;
12261#endif
12262uniform mat3 matrix_normal;
12263uniform mat4 matrix_viewInverse;
12264uniform float numParticles;
12265uniform float lifetime;
12266uniform float stretch;
12267uniform float seed;
12268uniform vec3 emitterScale;
12269uniform vec3 faceTangent;
12270uniform vec3 faceBinorm;
12271#ifdef PARTICLE_GPU
12272	#ifdef WRAP
12273		uniform vec3 wrapBounds;
12274	#endif
12275#endif
12276#ifdef PARTICLE_GPU
12277	uniform highp sampler2D internalTex0;
12278	uniform highp sampler2D internalTex1;
12279	uniform highp sampler2D internalTex2;
12280#endif
12281uniform vec3 emitterPos;
12282varying vec4 texCoordsAlphaLife;
12283vec2 rotate(vec2 quadXY, float pRotation, out mat2 rotMatrix)
12284{
12285	float c = cos(pRotation);
12286	float s = sin(pRotation);
12287	mat2 m = mat2(c, -s, s, c);
12288	rotMatrix = m;
12289	return m * quadXY;
12290}
12291vec3 billboard(vec3 InstanceCoords, vec2 quadXY)
12292{
12293	#ifdef SCREEN_SPACE
12294		vec3 pos = vec3(-1, 0, 0) * quadXY.x + vec3(0, -1, 0) * quadXY.y;
12295	#else
12296		vec3 pos = -matrix_viewInverse[0].xyz * quadXY.x + -matrix_viewInverse[1].xyz * quadXY.y;
12297	#endif
12298	return pos;
12299}
12300vec3 customFace(vec3 InstanceCoords, vec2 quadXY)
12301{
12302	vec3 pos = faceTangent * quadXY.x + faceBinorm * quadXY.y;
12303	return pos;
12304}
12305void main(void)
12306{
12307	vec3 particlePos = particle_vertexData.xyz;
12308	vec3 inPos = particlePos;
12309	vec3 vertPos = particle_vertexData3.xyz;
12310	vec3 inVel = vec3(particle_vertexData2.w, particle_vertexData3.w, particle_vertexData5.x);
12311	float id = floor(particle_vertexData4);
12312	float rndFactor = fract(sin(id + 1.0 + seed));
12313	vec3 rndFactor3 = vec3(rndFactor, fract(rndFactor*10.0), fract(rndFactor*100.0));
12314#ifdef LOCAL_SPACE
12315	inVel = mat3(matrix_model) * inVel;
12316#endif
12317	vec2 velocityV = normalize((mat3(matrix_view) * inVel).xy);
12318	vec2 quadXY = vertPos.xy;
12319#ifdef USE_MESH
12320	texCoordsAlphaLife = vec4(particle_vertexData5.zw, particle_vertexData2.z, particle_vertexData.w);
12321#else
12322	texCoordsAlphaLife = vec4(quadXY * -0.5 + 0.5, particle_vertexData2.z, particle_vertexData.w);
12323#endif
12324	mat2 rotMatrix;
12325	float inAngle = particle_vertexData2.x;
12326	vec3 particlePosMoved = vec3(0.0);
12327	vec3 meshLocalPos = particle_vertexData3.xyz;
12328`,jk=`
12329	localPos *= particle_vertexData2.y * emitterScale;
12330	localPos += particlePos;
12331	#ifdef SCREEN_SPACE
12332	gl_Position = vec4(localPos.x, localPos.y, 0.0, 1.0);
12333	#else
12334	gl_Position = matrix_viewProjection * vec4(localPos, 1.0);
12335	#endif
12336`,qk=`
12337	quadXY = rotate(quadXY, inAngle, rotMatrix);
12338	vec3 localPos = customFace(particlePos, quadXY);
12339`,$k=`
12340	rgb = addFog(rgb);
12341	rgb = toneMap(rgb);
12342	rgb = gammaCorrectOutput(rgb);
12343	gl_FragColor = vec4(rgb, a);
12344}
12345`,Kk=`

12346	localPos *= scale * emitterScale;
12347	localPos += particlePos;
12348	#ifdef SCREEN_SPACE
12349	gl_Position = vec4(localPos.x, localPos.y, 0.0, 1.0);
12350	#else
12351	gl_Position = matrix_viewProjection * vec4(localPos.xyz, 1.0);
12352	#endif
12353`,Zk=`
12354	vec3 negNormal = normal * 0.5 + 0.5;
12355	vec3 posNormal = -normal * 0.5 + 0.5;
12356	negNormal *= negNormal;
12357	posNormal *= posNormal;
12358`,Qk=`
12359attribute vec4 particle_vertexData;
12360#if defined(USE_MESH)
12361	#if defined(USE_MESH_UV)
12362		attribute vec2 particle_uv;
12363	#else
12364		vec2 particle_uv = vec2(0.0, 0.0);
12365	#endif
12366#endif
12367uniform mat4 matrix_viewProjection;
12368uniform mat4 matrix_model;
12369uniform mat3 matrix_normal;
12370uniform mat4 matrix_viewInverse;
12371#ifndef VIEWMATRIX
12372	#define VIEWMATRIX
12373	uniform mat4 matrix_view;
12374#endif
12375uniform float numParticles;
12376uniform float numParticlesPot;
12377uniform float graphSampleSize;
12378uniform float graphNumSamples;
12379uniform float stretch;
12380uniform vec3 emitterScale;
12381uniform vec3 emitterPos;
12382uniform vec3 faceTangent;
12383uniform vec3 faceBinorm;
12384uniform float rate;
12385uniform float rateDiv;
12386uniform float lifetime;
12387uniform float scaleDivMult;
12388uniform float alphaDivMult;
12389uniform float seed;
12390uniform float delta;
12391uniform sampler2D particleTexOUT;
12392uniform sampler2D particleTexIN;
12393#ifdef PARTICLE_GPU
12394	#ifdef WRAP
12395		uniform vec3 wrapBounds;
12396	#endif
12397#endif
12398#ifdef PARTICLE_GPU
12399	uniform highp sampler2D internalTex0;
12400	uniform highp sampler2D internalTex1;
12401	uniform highp sampler2D internalTex2;
12402#endif
12403#ifndef CAMERAPLANES
12404	#define CAMERAPLANES
12405	uniform vec4 camera_params;
12406#endif
12407varying vec4 texCoordsAlphaLife;
12408vec3 inPos;
12409vec3 inVel;
12410float inAngle;
12411bool inShow;
12412float inLife;
12413`,Jk=`
12414	vec3 negNormal = max(normal, vec3(0.0));
12415	vec3 posNormal = max(-normal, vec3(0.0));
12416`,eU=`
12417	vec3 light = negNormal.x*lightCube[0] + posNormal.x*lightCube[1] +
12418						negNormal.y*lightCube[2] + posNormal.y*lightCube[3] +
12419						negNormal.z*lightCube[4] + posNormal.z*lightCube[5];
12420	rgb *= light;
12421`,tU=`
12422	particlePos = (matrix_model * vec4(particlePos, 1.0)).xyz;
12423`,sU=`
12424	vec3 localPos = meshLocalPos;
12425	localPos.xy = rotate(localPos.xy, inAngle, rotMatrix);
12426	localPos.yz = rotate(localPos.yz, inAngle, rotMatrix);
12427	billboard(particlePos, quadXY);
12428`,iU=`
12429	Normal = normalize(localPos + matrix_viewInverse[2].xyz);
12430`,rU=`
12431	vec3 normalMap = normalize(texture2D(normalMap, vec2(texCoordsAlphaLife.x, 1.0 - texCoordsAlphaLife.y)).xyz * 2.0 - 1.0);
12432	vec3 normal = ParticleMat * normalMap;
12433`,aU=`
12434	inAngle = atan(velocityV.x, velocityV.y);
12435`,nU=`
12436	#include "particleUpdaterInitPS"
12437	#ifdef PACK8
12438		#include "particleInputRgba8PS"
12439		#include "particleOutputRgba8PS"
12440	#else
12441		#include "particleInputFloatPS"
12442		#include "particleOutputFloatPS"
12443	#endif
12444	#ifdef EMITTERSHAPE_BOX
12445		#include "particleUpdaterAABBPS"
12446	#else
12447		#include "particleUpdaterSpherePS"
12448	#endif
12449	#include "particleUpdaterStartPS"
12450	#ifdef RESPAWN
12451		#include "particleUpdaterRespawnPS"
12452	#endif
12453	#ifdef NO_RESPAWN
12454		#include "particleUpdaterNoRespawnPS"
12455	#endif
12456	#ifdef ON_STOP
12457		#include "particleUpdaterOnStopPS"
12458	#endif
12459	#include "particleUpdaterEndPS"
12460`,oU=`
12461	#if NORMAL != NONE
12462		#if NORMAL == VERTEX
12463			varying vec3 Normal;
12464		#endif
12465		#if NORMAL == MAP
12466			varying mat3 ParticleMat;
12467		#endif
12468		uniform vec3 lightCube[6];
12469	#endif
12470	#ifdef SOFT
12471		varying float vDepth;
12472		#include "screenDepthPS"
12473	#endif
12474	#include "gammaPS"
12475	#include "tonemappingPS"
12476	#include "fogPS"
12477	#if NORMAL == MAP
12478		uniform sampler2D normalMap;
12479	#endif
12480	#include "particlePS"
12481	#ifdef SOFT
12482		#include "particle_softPS"
12483	#endif
12484	#if NORMAL == VERTEX
12485		vec3 normal = Normal;
12486	#endif
12487	#if NORMAL == MAP
12488		#include "particle_normalMapPS"
12489	#endif
12490	#if NORMAL != NONE
12491		#ifdef HALF_LAMBERT
12492			#include "particle_halflambertPS"
12493		#else
12494			#include "particle_lambertPS"
12495		#endif
12496		#include "particle_lightingPS"
12497	#endif
12498	#if BLEND == NORMAL
12499		#include "particle_blendNormalPS"
12500	#elif BLEND == ADDITIVE
12501		#include "particle_blendAddPS"
12502	#elif BLEND == MULTIPLICATIVE
12503		#include "particle_blendMultiplyPS"
12504	#endif
12505	#include "particle_endPS"
12506`,lU=`
12507	#ifdef ANIMTEX
12508		uniform vec2 animTexTilesParams;
12509		uniform vec4 animTexParams;
12510		uniform vec2 animTexIndexParams;
12511	#endif
12512	#if NORMAL == MAP
12513		varying mat3 ParticleMat;
12514	#endif
12515	#if NORMAL == VERTEX
12516		varying vec3 Normal;
12517	#endif
12518	#ifdef SOFT
12519		varying float vDepth;
12520	#endif
12521	#ifdef PARTICLE_GPU
12522		#include "particle_initVS"
12523		#ifdef PACK8
12524			#include "particleInputRgba8PS"
12525		#else

12526			#include  "particleInputFloatPS"
12527		#endif
12528		#ifdef SOFT
12529			#include "screenDepthPS"
12530		#endif
12531		#include "particleVS"
12532	#else
12533		#ifdef SOFT
12534			#include "screenDepthPS"
12535		#endif
12536		#include "particle_cpuVS"
12537	#endif
12538	#ifdef LOCAL_SPACE
12539		#include "particle_localShiftVS"
12540	#endif
12541	#ifdef ANIMTEX
12542		#ifdef ANIMTEX_LOOP
12543			#include "particleAnimFrameLoopVS"
12544		#else
12545			#include "particleAnimFrameClampVS"
12546		#endif
12547		#include "particleAnimTexVS"
12548	#endif
12549	#ifdef PARTICLE_GPU
12550		#ifdef WRAP
12551			#include "particle_wrapVS"
12552		#endif
12553	#endif
12554	#ifdef ALIGN_TO_MOTION
12555		#include "particle_pointAlongVS"
12556	#endif
12557	#ifdef USE_MESH
12558		#include "particle_meshVS"
12559	#else
12560		#ifdef CUSTOM_FACE
12561			#include "particle_customFaceVS"
12562		#else
12563			#include "particle_billboardVS"
12564		#endif
12565	#endif
12566	#if NORMAL == VERTEX
12567		#include "particle_normalVS"
12568	#endif
12569	#if NORMAL == MAP
12570		#include "particle_TBNVS"
12571	#endif
12572	#ifdef STRETCH
12573		#include "particle_stretchVS"
12574	#endif
12575	#ifdef PARTICLE_GPU
12576		#include "particle_endVS"
12577	#else
12578		#include "particle_cpu_endVS"
12579	#endif
12580	#ifdef SOFT
12581		#include "particle_softVS"
12582	#endif
12583	}
12584`,cU=`
12585	float depth = getLinearScreenDepth();
12586	float particleDepth = vDepth;
12587	float depthDiff = saturate(abs(particleDepth - depth) * softening);
12588	a *= depthDiff;
12589`,hU=`
12590	vDepth = getLinearDepth(localPos);
12591`,dU=`
12592	vec3 moveDir = inVel * stretch;
12593	vec3 posPrev = particlePos - moveDir;
12594	posPrev += particlePosMoved;
12595	vec2 centerToVertexV = normalize((mat3(matrix_view) * localPos).xy);
12596	float interpolation = dot(-velocityV, centerToVertexV) * 0.5 + 0.5;
12597	particlePos = mix(particlePos, posPrev, interpolation);
12598`,uU=`
12599	mat3 rot3 = mat3(rotMatrix[0][0], rotMatrix[0][1], 0.0, rotMatrix[1][0], rotMatrix[1][1], 0.0, 0.0, 0.0, 1.0);
12600	ParticleMat = mat3(-matrix_viewInverse[0].xyz, -matrix_viewInverse[1].xyz, matrix_viewInverse[2].xyz) * rot3;
12601`,fU=`
12602	vec3 origParticlePos = particlePos;
12603	particlePos -= matrix_model[3].xyz;
12604	particlePos = mod(particlePos, wrapBounds) - wrapBounds * 0.5;
12605	particlePos += matrix_model[3].xyz;
12606	particlePosMoved = particlePos - origParticlePos;
12607`;const pU={particlePS:Ek,particleVS:bk,particleAnimFrameClampVS:Ak,particleAnimFrameLoopVS:Pk,particleAnimTexVS:Ik,particleInputFloatPS:Dk,particleInputRgba8PS:Mk,particleOutputFloatPS:Rk,particleOutputRgba8PS:Lk,particleUpdaterAABBPS:Fk,particleUpdaterEndPS:Ok,particleUpdaterInitPS:Bk,particleUpdaterNoRespawnPS:Nk,particleUpdaterOnStopPS:kk,particleUpdaterRespawnPS:Uk,particleUpdaterSpherePS:zk,particleUpdaterStartPS:Vk,particle_billboardVS:Gk,particle_blendAddPS:Hk,particle_blendMultiplyPS:Wk,particle_blendNormalPS:Xk,particle_cpuVS:Yk,particle_cpu_endVS:jk,particle_customFaceVS:qk,particle_endPS:$k,particle_endVS:Kk,particle_halflambertPS:Zk,particle_initVS:Qk,particle_lambertPS:Jk,particle_lightingPS:eU,particle_localShiftVS:tU,particle_meshVS:sU,particle_normalVS:iU,particle_normalMapPS:rU,particle_pointAlongVS:aU,particle_simulationPS:nU,particle_shaderPS:oU,particle_shaderVS:lU,particle_softPS:cU,particle_softVS:hU,particle_stretchVS:dU,particle_TBNVS:uU,particle_wrapVS:fU};var mU=`
12608varying texCoordsAlphaLife: vec4f;
12609var colorMap: texture_2d<f32>;
12610var colorMapSampler: sampler;
12611var colorParam: texture_2d<f32>;
12612var colorParamSampler: sampler;
12613uniform graphSampleSize: f32;
12614uniform graphNumSamples: f32;
12615#ifndef CAMERAPLANES
12616	#define CAMERAPLANES
12617	uniform camera_params: vec4f;
12618#endif
12619#ifdef SOFT
12620	uniform softening: f32;
12621#endif
12622uniform colorMult: f32;
12623fn saturate(x: f32) -> f32 {
12624	return clamp(x, 0.0, 1.0);
12625}
12626@fragment
12627fn fragmentMain(input: FragmentInput) -> FragmentOutput {
12628	var output: FragmentOutput;
12629	let tex: vec4f  = textureSample(colorMap, colorMapSampler, vec2f(input.texCoordsAlphaLife.x, 1.0 - input.texCoordsAlphaLife.y));
12630	var ramp: vec4f = textureSample(colorParam, colorParamSampler, vec2f(input.texCoordsAlphaLife.w, 0.0));
12631	ramp = vec4f(ramp.rgb * uniform.colorMult, ramp.a);
12632	ramp.a = ramp.a + input.texCoordsAlphaLife.z;
12633	var rgb: vec3f = tex.rgb * ramp.rgb;
12634	var a: f32 = tex.a * ramp.a;
12635`,_U=`
12636fn unpack3NFloats(src: f32) -> vec3f {
12637	let r = fract(src);
12638	let g = fract(src * 256.0);
12639	let b = fract(src * 65536.0);
12640	return vec3f(r, g, b);
12641}
12642fn saturate(x: f32) -> f32 {
12643	return clamp(x, 0.0, 1.0);
12644}
12645struct TexLerpUnpackResult {
12646	result: vec4f,
12647	unpacked: vec3f
12648}
12649fn tex1Dlod_lerp_simple(tex: texture_2d<f32>, textureSize: vec2u, tc: vec2f) -> vec4f {
12650	let tc_next = tc + vec2f(uniform.graphSampleSize);
12651	let texelA: vec2i = vec2i(tc * vec2f(textureSize));
12652	let texelB: vec2i = vec2i(tc_next * vec2f(textureSize));
12653	return mix( textureLoad(tex, texelA, 0), textureLoad(tex, texelB, 0), fract(tc.x * uniform.graphNumSamples) );
12654}
12655fn tex1Dlod_lerp_unpack(tex: texture_2d<f32>, textureSize: vec2u, tc: vec2f) -> TexLerpUnpackResult {
12656	let tc_next = tc + vec2f(uniform.graphSampleSize);
12657	let texelA: vec2i = vec2i(tc * vec2f(textureSize));
12658	let texelB: vec2i = vec2i(tc_next * vec2f(textureSize));
12659	let a = textureLoad(tex, texelA, 0);
12660	let b = textureLoad(tex, texelB, 0);
12661	let c = fract(tc.x * uniform.graphNumSamples);
12662	let unpackedA = unpack3NFloats(a.w);
12663	let unpackedB = unpack3NFloats(b.w);

12664	let w_out = mix(unpackedA, unpackedB, c);
12665	return TexLerpUnpackResult(mix(a, b, c), w_out);
12666}
12667struct RotateResult {
12668	rotatedVec: vec2f,
12669	matrix: mat2x2f
12670}
12671fn rotateWithMatrix(quadXY: vec2f, pRotation: f32) -> RotateResult {
12672	let c = cos(pRotation);
12673	let s = sin(pRotation);
12674	let m = mat2x2f(vec2f(c, -s), vec2f(s, c));
12675	return RotateResult(m * quadXY, m);
12676}
12677fn billboard(InstanceCoords: vec3f, quadXY: vec2f) -> vec3f {
12678	var pos: vec3f;
12679	#ifdef SCREEN_SPACE
12680		pos = vec3f(-1.0, 0.0, 0.0) * quadXY.x + vec3f(0.0, -1.0, 0.0) * quadXY.y;
12681	#else
12682		pos = -uniform.matrix_viewInverse[0].xyz * quadXY.x + -uniform.matrix_viewInverse[1].xyz * quadXY.y;
12683	#endif
12684	return pos;
12685}
12686fn customFace(InstanceCoords: vec3f, quadXY: vec2f) -> vec3f {
12687	let pos = uniform.faceTangent * quadXY.x + uniform.faceBinorm * quadXY.y;
12688	return pos;
12689}
12690fn safeNormalize(v: vec2f) -> vec2f {
12691	let l = length(v);
12692	return select(v, v / l, l > 1e-06);
12693}
12694@vertex
12695fn vertexMain(input: VertexInput) -> VertexOutput {
12696	var output: VertexOutput;
12697	let meshLocalPos_in = input.particle_vertexData.xyz;
12698	let id = floor(input.particle_vertexData.w);
12699	let rndFactor = fract(sin(id + 1.0 + uniform.seed));
12700	let rndFactor3 = vec3f(rndFactor, fract(rndFactor*10.0), fract(rndFactor*100.0));
12701	let uv = id / uniform.numParticlesPot;
12702	readInput(uv);
12703	#ifdef LOCAL_SPACE
12704		let modelRotation = mat3x3f(uniform.matrix_model[0].xyz, uniform.matrix_model[1].xyz, uniform.matrix_model[2].xyz);
12705		inVel = modelRotation * inVel;
12706	#endif
12707	let viewRotation = mat3x3f(uniform.matrix_view[0].xyz, uniform.matrix_view[1].xyz, uniform.matrix_view[2].xyz);
12708	let velocityV = safeNormalize((viewRotation * inVel).xy);
12709	let particleLifetime = uniform.lifetime;
12710	var meshLocalPos = meshLocalPos_in;
12711	if (inLife <= 0.0 || inLife > particleLifetime || !inShow) {
12712		 meshLocalPos = vec3f(0.0);
12713	}
12714	let quadXY = meshLocalPos.xy;
12715	let nlife = clamp(inLife / particleLifetime, 0.0, 1.0);
12716	let internalTexSize = textureDimensions(internalTex2, 0);
12717	let lerp_result = tex1Dlod_lerp_unpack(internalTex2, internalTexSize, vec2f(nlife, 0.0));
12718	let params = lerp_result.result;
12719	let paramDiv = lerp_result.unpacked;
12720	var scale = params.y;
12721	let scaleDiv = paramDiv.x;
12722	let alphaDiv = paramDiv.z;
12723	scale = scale + (scaleDiv * 2.0 - 1.0) * uniform.scaleDivMult * fract(rndFactor*10000.0);
12724	#ifndef USE_MESH
12725		output.texCoordsAlphaLife = vec4f(quadXY * -0.5 + 0.5, (alphaDiv * 2.0 - 1.0) * uniform.alphaDivMult * fract(rndFactor*1000.0), nlife);
12726	#else
12727		output.texCoordsAlphaLife = vec4f(particle_uv, (alphaDiv * 2.0 - 1.0) * uniform.alphaDivMult * fract(rndFactor*1000.0), nlife);
12728	#endif
12729	var particlePos = inPos;
12730	var particlePosMoved = vec3f(0.0);
12731	var rotMatrix: mat2x2f;
12732`,gU=`
12733	let animFrame: f32 = min(floor(input.texCoordsAlphaLife.w * uniform.animTexParams.y) + uniform.animTexParams.x, uniform.animTexParams.z);
12734`,vU=`
12735	let animFrame: f32 = floor((output.texCoordsAlphaLife.w * uniform.animTexParams.y + uniform.animTexParams.x) % (uniform.animTexParams.z + 1.0));	
12736`,SU=`
12737	var animationIndex: f32;
12738	if (uniform.animTexIndexParams.y == 1.0) {
12739		animationIndex = floor((uniform.animTexParams.w + 1.0) * rndFactor3.z) * (uniform.animTexParams.z + 1.0);
12740	} else {
12741		animationIndex = uniform.animTexIndexParams.x * (uniform.animTexParams.z + 1.0);
12742	}
12743	var atlasX: f32 = (animationIndex + animFrame) * uniform.animTexTilesParams.x;
12744	let atlasY: f32 = 1.0 - floor(atlasX + 1.0) * uniform.animTexTilesParams.y;
12745	atlasX = fract(atlasX);
12746	let current_tcal_xy = output.texCoordsAlphaLife.xy;
12747	let scaled_tcal_xy = current_tcal_xy * uniform.animTexTilesParams.xy;
12748	let final_tcal_xy = scaled_tcal_xy + vec2f(atlasX, atlasY);
12749	output.texCoordsAlphaLife = vec4f(final_tcal_xy, output.texCoordsAlphaLife.z, output.texCoordsAlphaLife.w);
12750`,yU=`
12751fn readInput(uv: f32) {
12752	let textureSize = textureDimensions(particleTexIN, 0);
12753	let texel0: vec2i = vec2i(vec2f(uv, 0.25) * vec2f(textureSize));
12754	let texel1: vec2i = vec2i(vec2f(uv, 0.75) * vec2f(textureSize));
12755	let tex: vec4f = textureLoad(particleTexIN, texel0, 0);
12756	let tex2: vec4f = textureLoad(particleTexIN, texel1, 0);
12757	inPos = tex.xyz;
12758	inVel = tex2.xyz;
12759	inAngle = abs(tex.w) - 1000.0;
12760	inShow = tex.w >= 0.0;
12761	inLife = tex2.w;
12762}
12763`,xU=`
12764const PI2: f32 = 6.283185307179586;
12765uniform inBoundsSize: vec3f;
12766uniform inBoundsCenter: vec3f;
12767uniform maxVel: f32;
12768fn decodeFloatRG(rg: vec2f) -> f32 {
12769	return rg.y * (1.0 / 255.0) + rg.x;
12770}
12771fn decodeFloatRGBA( rgba: vec4f ) -> f32 {
12772	return dot(rgba, vec4f(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 160581375.0));
12773}
12774fn readInput(uv: f32) {
12775	let textureSize = textureDimensions(particleTexIN, 0);
12776	let texel0: vec2i = vec2i(vec2f(uv, 0.125) * vec2f(textureSize));
12777	let texel1: vec2i = vec2i(vec2f(uv, 0.375) * vec2f(textureSize));
12778	let texel2: vec2i = vec2i(vec2f(uv, 0.625) * vec2f(textureSize));
12779	let texel3: vec2i = vec2i(vec2f(uv, 0.875) * vec2f(textureSize));
12780	let tex0 = textureLoad(particleTexIN, texel0, 0);

12781	let tex1 = textureLoad(particleTexIN, texel1, 0);
12782	let tex2 = textureLoad(particleTexIN, texel2, 0);
12783	let tex3 = textureLoad(particleTexIN, texel3, 0);
12784	inPos = vec3f(decodeFloatRG(tex0.rg), decodeFloatRG(tex0.ba), decodeFloatRG(tex1.rg));
12785	inPos = (inPos - vec3f(0.5)) * uniform.inBoundsSize + uniform.inBoundsCenter;
12786	inVel = tex2.xyz;
12787	inVel = (inVel - vec3f(0.5)) * uniform.maxVel;
12788	inAngle = decodeFloatRG(tex1.ba) * PI2;
12789	inShow = tex2.a > 0.5;
12790	let life_decoded = decodeFloatRGBA(tex3);
12791	let maxNegLife = max(uniform.lifetime, uniform.numParticles * (uniform.rate + uniform.rateDiv));
12792	let maxPosLife = uniform.lifetime + 1.0;
12793	inLife = life_decoded * (maxNegLife + maxPosLife) - maxNegLife;
12794}`,TU=`
12795fn getOutput() -> vec4f {
12796	if (pcPosition.y < 1.0) {
12797		return vec4f(outPos, (outAngle + 1000.0) * visMode);
12798	} else {
12799		return vec4f(outVel, outLife);
12800	}
12801}
12802`,wU=`
12803uniform outBoundsMul: vec3f;
12804uniform outBoundsAdd: vec3f;
12805fn encodeFloatRG( v: f32 ) -> vec2f {
12806	var enc: vec2f = vec2f(1.0, 255.0) * v;
12807	enc = fract(enc);
12808	enc = enc - enc.yy * (1.0 / 255.0);
12809	return enc;
12810}
12811fn encodeFloatRGBA( v: f32 ) -> vec4f {
12812	let factors = vec4f(1.0, 255.0, 65025.0, 160581375.0);
12813	var enc: vec4f = factors * v;
12814	enc = fract(enc);
12815	enc = enc - enc.yzww * vec4f(1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0, 0.0);
12816	return enc;
12817}
12818fn getOutput() -> vec4f {
12819	outPos = outPos * uniform.outBoundsMul + uniform.outBoundsAdd;
12820	outAngle = fract(outAngle / PI2);
12821	outVel = (outVel / uniform.maxVel) + vec3f(0.5);
12822	let maxNegLife = max(uniform.lifetime, uniform.numParticles * (uniform.rate + uniform.rateDiv));
12823	let maxPosLife = uniform.lifetime + 1.0;
12824	outLife = (outLife + maxNegLife) / (maxNegLife + maxPosLife);
12825	if (pcPosition.y < 1.0) {
12826		return vec4f(encodeFloatRG(outPos.x), encodeFloatRG(outPos.y));
12827	} else if (pcPosition.y < 2.0) {
12828		return vec4f(encodeFloatRG(outPos.z), encodeFloatRG(outAngle));
12829	} else if (pcPosition.y < 3.0) {
12830		return vec4f(outVel, visMode * 0.5 + 0.5);
12831	} else {
12832		return encodeFloatRGBA(outLife);
12833	}
12834}
12835`,CU=`
12836uniform spawnBounds: mat3x3f;
12837uniform spawnPosInnerRatio: vec3f;
12838fn calcSpawnPosition(inBounds: vec3f, rndFactor: f32) -> vec3f {
12839	var pos = inBounds - vec3f(0.5);
12840	let posAbs = abs(pos);
12841	let maxComp = max(posAbs.x, max(posAbs.y, posAbs.z));
12842	let maxPos = vec3f(maxComp);
12843	let edge = maxPos + (vec3f(0.5) - maxPos) * uniform.spawnPosInnerRatio;
12844	pos.x = edge.x * select(2.0 * pos.x, sign(pos.x), maxPos.x == posAbs.x);
12845	pos.y = edge.y * select(2.0 * pos.y, sign(pos.y), maxPos.y == posAbs.y);
12846	pos.z = edge.z * select(2.0 * pos.z, sign(pos.z), maxPos.z == posAbs.z);
12847	#ifndef LOCAL_SPACE
12848		return uniform.emitterPos + uniform.spawnBounds * pos;
12849	#else
12850		return uniform.spawnBounds * pos;
12851	#endif
12852}
12853fn addInitialVelocity(localVelocity: ptr<function, vec3f>, inBounds: vec3f) {
12854	*localVelocity = *localVelocity - vec3f(0.0, 0.0, uniform.initialVelocity);
12855}
12856`,EU=`
12857	output.color = getOutput();
12858	return output;
12859}
12860`,bU=`
12861varying vUv0: vec2f;
12862var particleTexIN: texture_2d<uff>;
12863var internalTex0: texture_2d<uff>;
12864var internalTex1: texture_2d<uff>;
12865var internalTex2: texture_2d<uff>;
12866var internalTex3: texture_2d<uff>;
12867uniform emitterMatrix: mat3x3f;
12868uniform emitterMatrixInv: mat3x3f;
12869uniform emitterScale: vec3f;
12870uniform emitterPos: vec3f;
12871uniform frameRandom: vec3f;
12872uniform localVelocityDivMult: vec3f;
12873uniform velocityDivMult: vec3f;
12874uniform delta: f32;
12875uniform rate: f32;
12876uniform rateDiv: f32;
12877uniform lifetime: f32;
12878uniform numParticles: f32;
12879uniform rotSpeedDivMult: f32;
12880uniform radialSpeedDivMult: f32;
12881uniform seed: f32;
12882uniform startAngle: f32;
12883uniform startAngle2: f32;
12884uniform initialVelocity: f32;
12885uniform graphSampleSize: f32;
12886uniform graphNumSamples: f32;
12887var<private> inPos: vec3f;
12888var<private> inVel: vec3f;
12889var<private> inAngle: f32;
12890var<private> inShow: bool;
12891var<private> inLife: f32;
12892var<private> visMode: f32;
12893var<private> outPos: vec3f;
12894var<private> outVel: vec3f;
12895var<private> outAngle: f32;
12896var<private> outShow: bool;
12897var<private> outLife: f32;
12898`,AU=`
12899	if (outLife >= uniform.lifetime) {
12900		outLife = outLife - max(uniform.lifetime, uniform.numParticles * particleRate);
12901		visMode = -1.0;
12902	}
12903`,PU=`
12904	visMode = select(visMode, -1.0, outLife < 0.0);
12905`,IU=`
12906	if (outLife >= uniform.lifetime) {

12907		let subtractAmount = max(uniform.lifetime, uniform.numParticles * particleRate);
12908		outLife = outLife - subtractAmount;
12909		visMode = 1.0;
12910	}
12911	visMode = select(visMode, 1.0, outLife < 0.0);
12912`,DU=`
12913uniform spawnBoundsSphere: f32;
12914uniform spawnBoundsSphereInnerRatio: f32;
12915fn calcSpawnPosition(inBounds: vec3f, rndFactor: f32) -> vec3f {
12916	let rnd4: f32 = fract(rndFactor * 1000.0);
12917	let norm: vec3f = normalize(inBounds.xyz - vec3f(0.5));
12918	let r: f32 = rnd4 * (1.0 - uniform.spawnBoundsSphereInnerRatio) + uniform.spawnBoundsSphereInnerRatio;
12919	#ifndef LOCAL_SPACE
12920		return uniform.emitterPos + norm * r * uniform.spawnBoundsSphere;
12921	#else
12922		return norm * r * uniform.spawnBoundsSphere;
12923	#endif
12924}
12925fn addInitialVelocity(localVelocity: ptr<function, vec3f>, inBounds: vec3f) {
12926	let initialVelOffset: vec3f = normalize(inBounds - vec3f(0.5)) * uniform.initialVelocity;
12927	*localVelocity = *localVelocity + initialVelOffset;
12928}
12929`,MU=`
12930fn saturate(x: f32) -> f32 {
12931	return clamp(x, 0.0, 1.0);
12932}
12933fn unpack3NFloats(src: f32) -> vec3f {
12934	let r = fract(src);
12935	let g = fract(src * 256.0);
12936	let b = fract(src * 65536.0);
12937	return vec3f(r, g, b);
12938}
12939struct TexLerpUnpackResult {
12940	result: vec3f,
12941	unpacked: vec3f
12942}
12943fn tex1Dlod_lerp(tex: texture_2d<f32>, textureSize: vec2u, tc: vec2f) -> TexLerpUnpackResult {
12944	let tc_next = tc + vec2f(uniform.graphSampleSize);
12945	let texelA: vec2i = vec2i(tc * vec2f(textureSize));
12946	let texelB: vec2i = vec2i(tc_next * vec2f(textureSize));
12947	let a = textureLoad(tex, texelA, 0);
12948	let b = textureLoad(tex, texelB, 0);
12949	let c = fract(tc.x * uniform.graphNumSamples);
12950	let unpackedA = unpack3NFloats(a.w);
12951	let unpackedB = unpack3NFloats(b.w);

12952	let w_out = mix(unpackedA, unpackedB, c);
12953	return TexLerpUnpackResult(mix(a.xyz, b.xyz, c), w_out);
12954}
12955const HASHSCALE4: vec4f = vec4f(1031.0, 0.1030, 0.0973, 0.1099);
12956fn hash41(p: f32) -> vec4f {
12957	var p4 = fract(vec4f(p) * HASHSCALE4);
12958	p4 = p4 + dot(p4, p4.wzxy + 19.19);
12959	return fract(vec4f((p4.x + p4.y)*p4.z, (p4.x + p4.z)*p4.y, (p4.y + p4.z)*p4.w, (p4.z + p4.w)*p4.x));
12960}
12961@fragment
12962fn fragmentMain(input : FragmentInput) -> FragmentOutput {
12963	var output: FragmentOutput;
12964	if (pcPosition.x > uniform.numParticles) {
12965		discard;
12966		return output;
12967	}
12968	readInput(input.vUv0.x);
12969	visMode = select(-1.0, 1.0, inShow);
12970	let rndFactor = hash41(pcPosition.x + uniform.seed);
12971	let particleRate = uniform.rate + uniform.rateDiv * rndFactor.x;
12972	outLife = inLife + uniform.delta;
12973	let nlife = clamp(outLife / uniform.lifetime, 0.0, 1.0);
12974	let internalTexSize = textureDimensions(internalTex0, 0);
12975	let lerpResult0 = tex1Dlod_lerp(internalTex0, internalTexSize, vec2f(nlife, 0.0));
12976	var localVelocity = lerpResult0.result;
12977	let localVelocityDiv = lerpResult0.unpacked;
12978	let lerpResult1 = tex1Dlod_lerp(internalTex1, internalTexSize, vec2f(nlife, 0.0));
12979	var velocity = lerpResult1.result;
12980	let velocityDiv = lerpResult1.unpacked;
12981	let lerpResult2 = tex1Dlod_lerp(internalTex2, internalTexSize, vec2f(nlife, 0.0));
12982	let params = lerpResult2.result;
12983	let paramDiv = lerpResult2.unpacked;
12984	var rotSpeed = params.x;
12985	let rotSpeedDiv = paramDiv.y;
12986	let lerpResult3 = tex1Dlod_lerp(internalTex3, internalTexSize, vec2f(nlife, 0.0));
12987	let radialParams = lerpResult3.result;
12988	let radialParamDiv = lerpResult3.unpacked;
12989	let radialSpeed = radialParams.x;
12990	let radialSpeedDiv = radialParamDiv.y;
12991	let respawn = inLife <= 0.0 || outLife >= uniform.lifetime;
12992	inPos = select(inPos, calcSpawnPosition(rndFactor.xyz, rndFactor.x), respawn);
12993	inAngle = select(inAngle, mix(uniform.startAngle, uniform.startAngle2, rndFactor.x), respawn);
12994	#ifndef LOCAL_SPACE
12995		var radialVel: vec3f = inPos - uniform.emitterPos;
12996	#else
12997		var radialVel: vec3f = inPos;
12998	#endif
12999	radialVel = select(vec3f(0.0), radialSpeed * normalize(radialVel), dot(radialVel, radialVel) > 1.0E-8);
13000	radialVel = radialVel + (radialSpeedDiv * vec3f(2.0) - vec3f(1.0)) * uniform.radialSpeedDivMult * rndFactor.xyz;
13001	localVelocity = localVelocity + (localVelocityDiv * vec3f(2.0) - vec3f(1.0)) * uniform.localVelocityDivMult * rndFactor.xyz;
13002	velocity = velocity + (velocityDiv * vec3f(2.0) - vec3f(1.0)) * uniform.velocityDivMult * rndFactor.xyz;
13003	rotSpeed = rotSpeed + (rotSpeedDiv * 2.0 - 1.0) * uniform.rotSpeedDivMult * rndFactor.y;
13004	addInitialVelocity(&localVelocity, rndFactor.xyz);
13005	#ifndef LOCAL_SPACE
13006		outVel = uniform.emitterMatrix * localVelocity + (radialVel + velocity) * uniform.emitterScale;
13007	#else
13008		outVel = (localVelocity + radialVel) / uniform.emitterScale + uniform.emitterMatrixInv * velocity;
13009	#endif
13010	outPos = inPos + outVel * uniform.delta;
13011	outAngle = inAngle + rotSpeed * uniform.delta;
13012`,RU=`
13013	let rotationResult = rotateWithMatrix(quadXY, inAngle);
13014	let rotatedQuadXY = rotationResult.rotatedVec;
13015	rotMatrix = rotationResult.matrix;
13016	var localPos = billboard(particlePos, rotatedQuadXY);
13017`,LU=`
13018	dBlendModeFogFactor = 0.0;
13019	rgb = rgb * saturate(gammaCorrectInput(max(a, 0.0)));
13020	if ((rgb.r + rgb.g + rgb.b) < 0.000001) {
13021		discard;
13022	}	
13023`,FU=`
13024	rgb = mix(vec3f(1.0), rgb, a);
13025	if ((rgb.r + rgb.g + rgb.b) > 2.99) {
13026		discard;
13027	}
13028`,OU=`
13029	if (a < 0.01) {
13030		discard;
13031	}
13032`,BU=`
13033attribute particle_vertexData: vec4f;
13034attribute particle_vertexData2: vec4f;
13035attribute particle_vertexData3: vec4f;
13036attribute particle_vertexData4: f32;
13037#ifndef USE_MESH
13038	attribute particle_vertexData5: vec2f;
13039#else
13040	attribute particle_vertexData5: vec4f;
13041#endif
13042uniform matrix_viewProjection: mat4x4f;
13043uniform matrix_model: mat4x4f;
13044#ifndef VIEWMATRIX
13045	#define VIEWMATRIX
13046	uniform matrix_view: mat4x4f;
13047#endif
13048uniform matrix_normal: mat3x3f;
13049uniform matrix_viewInverse: mat4x4f;
13050uniform numParticles: f32;
13051uniform lifetime: f32;
13052uniform stretch: f32;
13053uniform seed: f32;
13054uniform emitterScale: vec3f;
13055uniform faceTangent: vec3f;
13056uniform faceBinorm: vec3f;
13057#ifdef PARTICLE_GPU
13058	#ifdef WRAP
13059		uniform wrapBounds: vec3f;
13060	#endif
13061#endif
13062#ifdef PARTICLE_GPU
13063	var internalTex0: texture_2d<uff>;
13064	var internalTex1: texture_2d<uff>;
13065	var internalTex2: texture_2d<uff>;
13066#endif
13067uniform emitterPos: vec3f;
13068varying texCoordsAlphaLife: vec4f;
13069struct RotateResult {
13070	rotatedVec: vec2f,
13071	matrix: mat2x2f
13072}
13073fn rotateWithMatrix(quadXY: vec2f, pRotation: f32) -> RotateResult {
13074	let c = cos(pRotation);
13075	let s = sin(pRotation);
13076	let m = mat2x2f(vec2f(c, -s), vec2f(s, c));
13077	return RotateResult(m * quadXY, m);
13078}
13079fn billboard(InstanceCoords: vec3f, quadXY: vec2f) -> vec3f {
13080	var pos: vec3f;
13081	#ifdef SCREEN_SPACE
13082		pos = vec3f(-1.0, 0.0, 0.0) * quadXY.x + vec3f(0.0, -1.0, 0.0) * quadXY.y;
13083	#else
13084		pos = -uniform.matrix_viewInverse[0].xyz * quadXY.x + -uniform.matrix_viewInverse[1].xyz * quadXY.y;
13085	#endif
13086	return pos;
13087}
13088fn customFace(InstanceCoords: vec3f, quadXY: vec2f) -> vec3f {
13089	let pos = uniform.faceTangent * quadXY.x + uniform.faceBinorm * quadXY.y;
13090	return pos;
13091}
13092fn safeNormalize(v: vec2f) -> vec2f {
13093	let l = length(v);
13094	return select(v, v / l, l > 1e-06);
13095}
13096@vertex
13097fn vertexMain(input: VertexInput) -> VertexOutput {
13098	var output: VertexOutput;
13099	var particlePos = input.particle_vertexData.xyz;
13100	let inPos = particlePos;
13101	let vertPos = input.particle_vertexData3.xyz;
13102	var inVel = vec3f(input.particle_vertexData2.w, input.particle_vertexData3.w, input.particle_vertexData5.x);
13103	let id = floor(input.particle_vertexData4);
13104	let rndFactor = fract(sin(id + 1.0 + uniform.seed));
13105	let rndFactor3 = vec3f(rndFactor, fract(rndFactor*10.0), fract(rndFactor*100.0));
13106	#ifdef LOCAL_SPACE
13107		let modelRotation = mat3x3f(uniform.matrix_model[0].xyz, uniform.matrix_model[1].xyz, uniform.matrix_model[2].xyz);
13108		inVel = modelRotation * inVel;
13109	#endif
13110	let velocityV = safeNormalize((mat3x3f(uniform.matrix_view[0].xyz, uniform.matrix_view[1].xyz, uniform.matrix_view[2].xyz) * inVel).xy);
13111	let quadXY = vertPos.xy;
13112	#ifdef USE_MESH
13113		output.texCoordsAlphaLife = vec4f(input.particle_vertexData5.zw, input.particle_vertexData2.z, input.particle_vertexData.w);
13114	#else
13115		output.texCoordsAlphaLife = vec4f(quadXY * -0.5 + 0.5, input.particle_vertexData2.z, input.particle_vertexData.w);
13116	#endif
13117	var rotMatrix: mat2x2f;
13118	var inAngle = input.particle_vertexData2.x;
13119	var particlePosMoved = vec3f(0.0);
13120	let meshLocalPos = input.particle_vertexData3.xyz;
13121`,NU=`
13122	localPos = localPos * input.particle_vertexData2.y * uniform.emitterScale;
13123	localPos = localPos + particlePos;
13124	#ifdef SCREEN_SPACE
13125		output.position = vec4f(localPos.x, localPos.y, 0.0, 1.0);
13126	#else
13127		output.position = uniform.matrix_viewProjection * vec4f(localPos, 1.0);
13128	#endif
13129`,kU=`
13130	let rotationResult = rotateWithMatrix(quadXY, inAngle);
13131	let rotatedQuadXY = rotationResult.rotatedVec;
13132	rotMatrix = rotationResult.matrix;
13133	var localPos = customFace(particlePos, rotatedQuadXY);
13134`,UU=`
13135	rgb = addFog(rgb);
13136	rgb = toneMap(rgb);
13137	rgb = gammaCorrectOutput(rgb);
13138	output.color = vec4f(rgb, a);
13139	return output;
13140}
13141`,zU=`
13142	localPos = localPos * scale * uniform.emitterScale;
13143	localPos = localPos + particlePos;
13144	#ifdef SCREEN_SPACE
13145		output.position = vec4f(localPos.x, localPos.y, 0.0, 1.0);
13146	#else
13147		output.position = uniform.matrix_viewProjection * vec4f(localPos.xyz, 1.0);
13148	#endif
13149`,VU=`
13150	var negNormal: vec3f = normal * 0.5 + 0.5;
13151	var posNormal: vec3f = -normal * 0.5 + 0.5;
13152	negNormal = negNormal * negNormal;
13153	posNormal = posNormal * posNormal;
13154`,GU=`
13155attribute particle_vertexData: vec4f;
13156#if defined(USE_MESH)
13157	#if defined(USE_MESH_UV)
13158		attribute particle_uv: vec2f;
13159	#else
13160		var<private> particle_uv: vec2f = vec2f(0.0, 0.0);
13161	#endif
13162#endif
13163uniform matrix_viewProjection: mat4x4f;
13164uniform matrix_model: mat4x4f;
13165uniform matrix_normal: mat3x3f;
13166uniform matrix_viewInverse: mat4x4f;
13167#ifndef VIEWMATRIX
13168	#define VIEWMATRIX
13169	uniform matrix_view: mat4x4f;
13170#endif
13171uniform numParticles: f32;
13172uniform numParticlesPot: f32;
13173uniform graphSampleSize: f32;
13174uniform graphNumSamples: f32;
13175uniform stretch: f32;
13176uniform emitterScale: vec3f;
13177uniform emitterPos: vec3f;
13178uniform faceTangent: vec3f;
13179uniform faceBinorm: vec3f;
13180uniform rate: f32;
13181uniform rateDiv: f32;
13182uniform lifetime: f32;
13183uniform scaleDivMult: f32;
13184uniform alphaDivMult: f32;
13185uniform seed: f32;
13186uniform delta: f32;
13187#ifdef PARTICLE_GPU
13188	#ifdef WRAP
13189		uniform wrapBounds: vec3f;
13190	#endif
13191#endif
13192var particleTexOUT: texture_2d<uff>;
13193var particleTexIN: texture_2d<uff>;
13194#ifdef PARTICLE_GPU
13195	var internalTex0: texture_2d<uff>;
13196	var internalTex1: texture_2d<uff>;
13197	var internalTex2: texture_2d<uff>;
13198#endif
13199#ifndef CAMERAPLANES
13200	#define CAMERAPLANES
13201	uniform camera_params: vec4f;
13202#endif
13203varying texCoordsAlphaLife: vec4f;
13204var<private> inPos: vec3f;
13205var<private> inVel: vec3f;
13206var<private> inAngle: f32;
13207var<private> inShow: bool;
13208var<private> inLife: f32;
13209`,HU=`
13210	var negNormal: vec3f = max(normal, vec3(0.0));
13211	var posNormal: vec3f = max(-normal, vec3(0.0));
13212`,WU=`
13213	let light: vec3f = negNormal.x * uniform.lightCube[0] + posNormal.x * uniform.lightCube[1] +
13214					   negNormal.y * uniform.lightCube[2] + posNormal.y * uniform.lightCube[3] +
13215					   negNormal.z * uniform.lightCube[4] + posNormal.z * uniform.lightCube[5];
13216	rgb = rgb * light;
13217`,XU=`
13218particlePos = (uniform.matrix_model * vec4f(particlePos, 1.0)).xyz;
13219`,YU=`
13220var localPos = meshLocalPos;
13221let rotResultXY = rotateWithMatrix(localPos.xy, inAngle);
13222localPos = vec3f(rotResultXY.rotatedVec, localPos.z);
13223rotMatrix = rotResultXY.matrix;
13224let rotResultYZ = rotateWithMatrix(localPos.yz, inAngle);
13225localPos = vec3f(localPos.x, rotResultYZ.rotatedVec);
13226rotMatrix = rotResultYZ.matrix;
13227billboard(particlePos, quadXY);
13228`,jU=`
13229output.Normal = normalize(localPos + uniform.matrix_viewInverse[2].xyz);
13230`,qU=`
13231	let sampledNormal: vec4f = textureSample(normalMap, normalMapSampler, vec2f(input.texCoordsAlphaLife.x, 1.0 - input.texCoordsAlphaLife.y));
13232	let normalMap: vec3f = normalize(sampledNormal.xyz * 2.0 - 1.0);
13233	let ParticleMat = mat3x3<f32>(ParticleMat0, ParticleMat1, ParticleMat2);
13234	let normal: vec3f = ParticleMat * normalMap;
13235`,$U=`
13236	inAngle = atan2(velocityV.x, velocityV.y);
13237`,KU=`
13238	#include "particleUpdaterInitPS"
13239	#ifdef PACK8
13240		#include "particleInputRgba8PS"
13241		#include "particleOutputRgba8PS"
13242	#else

13243		#include "particleInputFloatPS"
13244		#include "particleOutputFloatPS"
13245	#endif
13246	#ifdef EMITTERSHAPE_BOX
13247		#include "particleUpdaterAABBPS"
13248	#else
13249		#include "particleUpdaterSpherePS"
13250	#endif
13251	#include "particleUpdaterStartPS"
13252	#ifdef RESPAWN
13253		#include "particleUpdaterRespawnPS"
13254	#endif
13255	#ifdef NO_RESPAWN
13256		#include "particleUpdaterNoRespawnPS"
13257	#endif
13258	#ifdef ON_STOP
13259		#include "particleUpdaterOnStopPS"
13260	#endif
13261	#include "particleUpdaterEndPS"
13262`,ZU=`
13263	#if NORMAL != NONE
13264		#if NORMAL == VERTEX
13265			varying Normal: vec3f;
13266		#endif
13267		#if NORMAL == MAP
13268			varying ParticleMat0: vec3f;
13269			varying ParticleMat1: vec3f;
13270			varying ParticleMat2: vec3f;
13271		#endif
13272		uniform lightCube: array<vec3f, 6>;
13273	#endif
13274	#ifdef SOFT
13275		varying vDepth: f32;
13276		#include "screenDepthPS"
13277	#endif
13278	#include "gammaPS"
13279	#include "tonemappingPS"
13280	#include "fogPS"
13281	#if NORMAL == MAP
13282		var normalMap: texture_2d<f32>;
13283		var normalMapSampler: sampler;
13284	#endif
13285	#include "particlePS"
13286	#ifdef SOFT
13287		#include "particle_softPS"
13288	#endif
13289	#if NORMAL == VERTEX
13290		var normal: vec3f = Normal;
13291	#endif
13292	#if NORMAL == MAP
13293		#include "particle_normalMapPS"
13294	#endif
13295	#if NORMAL != NONE
13296		#ifdef HALF_LAMBERT
13297			#include "particle_halflambertPS"
13298		#else
13299			#include "particle_lambertPS"
13300		#endif
13301		#include "particle_lightingPS"
13302	#endif
13303	#if BLEND == NORMAL
13304		#include "particle_blendNormalPS"
13305	#elif BLEND == ADDITIVE
13306		#include "particle_blendAddPS"
13307	#elif BLEND == MULTIPLICATIVE
13308		#include "particle_blendMultiplyPS"
13309	#endif
13310	#include "particle_endPS"
13311`,QU=`
13312	#ifdef ANIMTEX
13313		uniform animTexTilesParams: vec2f;
13314		uniform animTexParams: vec4f;
13315		uniform animTexIndexParams: vec2f;
13316	#endif
13317	#if NORMAL == MAP
13318		varying ParticleMat0: vec3f;
13319		varying ParticleMat1: vec3f;
13320		varying ParticleMat2: vec3f;
13321	#endif
13322	#if NORMAL == VERTEX
13323		varying Normal: vec3f;
13324	#endif
13325	#ifdef SOFT
13326		varying vDepth: f32;
13327	#endif
13328	#ifdef PARTICLE_GPU
13329		#include "particle_initVS"
13330		#ifdef PACK8
13331			#include "particleInputRgba8PS"
13332		#else
13333			#include  "particleInputFloatPS"
13334		#endif
13335		#ifdef SOFT
13336			#include "screenDepthPS"
13337		#endif
13338		#include "particleVS"
13339	#else
13340		#ifdef SOFT
13341			#include "screenDepthPS"
13342		#endif
13343		#include "particle_cpuVS"
13344	#endif
13345	#ifdef LOCAL_SPACE
13346		#include "particle_localShiftVS"
13347	#endif
13348	#ifdef ANIMTEX
13349		#ifdef ANIMTEX_LOOP
13350			#include "particleAnimFrameLoopVS"
13351		#else
13352			#include "particleAnimFrameClampVS"
13353		#endif
13354		#include "particleAnimTexVS"
13355	#endif
13356	#ifdef PARTICLE_GPU
13357		#ifdef WRAP
13358			#include "particle_wrapVS"
13359		#endif
13360	#endif
13361	#ifdef ALIGN_TO_MOTION
13362		#include "particle_pointAlongVS"
13363	#endif
13364	#ifdef USE_MESH
13365		#include "particle_meshVS"
13366	#else
13367		#ifdef CUSTOM_FACE
13368			#include "particle_customFaceVS"
13369		#else
13370			#include "particle_billboardVS"
13371		#endif
13372	#endif
13373	#if NORMAL == VERTEX
13374		#include "particle_normalVS"
13375	#endif
13376	#if NORMAL == MAP
13377		#include "particle_TBNVS"
13378	#endif
13379	#ifdef STRETCH
13380		#include "particle_stretchVS"
13381	#endif
13382	#ifdef PARTICLE_GPU
13383		#include "particle_endVS"
13384	#else
13385		#include "particle_cpu_endVS"
13386	#endif
13387	#ifdef SOFT
13388		#include "particle_softVS"
13389	#endif
13390	return output;
13391}
13392`,JU=`
13393	var depth: f32 = getLinearScreenDepthFrag();
13394	var particleDepth: f32 = vDepth;
13395	var depthDiff: f32 = saturate(abs(particleDepth - depth) * uniform.softening);
13396	a = a * depthDiff;
13397`,ez=`
13398	output.vDepth = getLinearDepth(localPos);
13399`,tz=`
13400	let moveDir: vec3f = inVel * uniform.stretch;
13401	var posPrev: vec3f = particlePos - moveDir;
13402	posPrev = posPrev + particlePosMoved;
13403	let viewRotationTemp: mat3x3f = mat3x3f(uniform.matrix_view[0].xyz, uniform.matrix_view[1].xyz, uniform.matrix_view[2].xyz);
13404	let centerToVertexV: vec2f = normalize((viewRotationTemp * localPos).xy);
13405	let interpolation: f32 = dot(-velocityV, centerToVertexV) * 0.5 + 0.5;
13406	particlePos = mix(particlePos, posPrev, interpolation);
13407`,sz=`
13408	let rot3 = mat3x3f(
13409		vec3f(rotMatrix[0][0], rotMatrix[1][0], 0.0),
13410		vec3f(rotMatrix[0][1], rotMatrix[1][1], 0.0),
13411		vec3f(0.0, 0.0, 1.0)
13412	);
13413	let viewBasis = mat3x3f(
13414		-uniform.matrix_viewInverse[0].xyz,
13415		-uniform.matrix_viewInverse[1].xyz,
13416		uniform.matrix_viewInverse[2].xyz
13417	);
13418	let tempMat = viewBasis * rot3;
13419	output.ParticleMat0 = tempMat[0];
13420	output.ParticleMat1 = tempMat[1];
13421	output.ParticleMat2 = tempMat[2];
13422`,iz=`
13423	let origParticlePos: vec3f = particlePos;
13424	particlePos = particlePos - uniform.matrix_model[3].xyz;
13425	particlePos = (particlePos % uniform.wrapBounds) - uniform.wrapBounds * 0.5;
13426	particlePos = particlePos + uniform.matrix_model[3].xyz;
13427	particlePosMoved = particlePos - origParticlePos;
13428`;const rz={particlePS:mU,particleVS:_U,particleAnimFrameClampVS:gU,particleAnimFrameLoopVS:vU,particleAnimTexVS:SU,particleInputFloatP

13428S:yU,particleInputRgba8PS:xU,particleOutputFloatPS:TU,particleOutputRgba8PS:wU,particleUpdaterAABBPS:CU,particleUpdaterEndPS:EU,particleUpdaterInitPS:bU,particleUpdaterNoRespawnPS:AU,particleUpdaterOnStopPS:PU,particleUpdaterRespawnPS:IU,particleUpdaterSpherePS:DU,particleUpdaterStartPS:MU,particle_billboardVS:RU,particle_blendAddPS:LU,particle_blendMultiplyPS:FU,particle_blendNormalPS:OU,particle_cpuVS:BU,particle_cpu_endVS:NU,particle_customFaceVS:kU,particle_endPS:UU,particle_endVS:zU,particle_halflambertPS:VU,particle_initVS:GU,particle_lambertPS:HU,particle_lightingPS:WU,particle_localShiftVS:XU,particle_meshVS:YU,particle_normalVS:jU,particle_normalMapPS:qU,particle_pointAlongVS:$U,particle_simulationPS:KU,particle_shaderPS:ZU,particle_shaderVS:QU,particle_softPS:JU,particle_softVS:ez,particle_stretchVS:tz,particle_TBNVS:sz,particle_wrapVS:iz},az=["enabled","autoPlay","numParticles","lifetime","rate","rate2","startAngle","startAngle2","loop","preWarm","lighting","halfLambert","intensity","depthWrite","noFog","depthSoftening","sort","blendType","stretch","alignToMotion","emitterShape","emitterExtents","emitterExtentsInner","emitterRadius","emitterRadiusInner","initialVelocity","wrap","wrapBounds","localSpace","screenSpace","colorMapAsset","normalMapAsset","mesh","meshAsset","renderAsset","orientation","particleNormal","localVelocityGraph","localVelocityGraph2","velocityGraph","velocityGraph2","rotationSpeedGraph","rotationSpeedGraph2","radialSpeedGraph","radialSpeedGraph2","scaleGraph","scaleGraph2","colorGraph","colorGraph2","alphaGraph","alphaGraph2","colorMap","normalMap","animTilesX","animTilesY","animStartFrame","animNumFrames","animNumAnimations","animIndex","randomizeAnimIndex","animSpeed","animLoop","layers"];class nz extends Tt{constructor(e){super(e),this.id="particlesystem",this.ComponentType=wk,this.DataType=Ck,this.schema=az,this.propertyTypes={emitterExtents:"vec3",emitterExtentsInner:"vec3",particleNormal:"vec3",wrapBounds:"vec3",localVelocityGraph:"curveset",localVelocityGraph2:"curveset",velocityGraph:"curveset",velocityGraph2:"curveset",colorGraph:"curveset",colorGraph2:"curveset",alphaGraph:"curve",alphaGraph2:"curve",rotationSpeedGraph:"curve",rotationSpeedGraph2:"curve",radialSpeedGraph:"curve",radialSpeedGraph2:"curve",scaleGraph:"curve",scaleGraph2:"curve"},this.on("beforeremove",this.onBeforeRemove,this),this.app.systems.on("update",this.onUpdate,this),be.get(e.graphicsDevice,ze).add(pU),be.get(e.graphicsDevice,de).add(rz)}initializeComponentData(e,t,s){const i={};s=[];const r=this.propertyTypes;(t.mesh instanceof pe||typeof t.mesh=="number")&&(t.meshAsset=t.mesh,delete t.mesh);for(const a in t){if(t.hasOwnProperty(a)&&(s.push(a),i[a]=t[a]),r[a]==="vec3")Array.isArray(i[a])&&(i[a]=new E(i[a][0],i[a][1],i[a][2]));else if(r[a]==="curve"){if(!(i[a]instanceof _i)){const n=i[a].type;i[a]=new _i(i[a].keys),i[a].type=n}}else if(r[a]==="curveset"&&!(i[a]instanceof Ya)){const n=i[a].type;i[a]=new Ya(i[a].keys),i[a].type=n}i.layers&&Array.isArray(i.layers)&&(i.layers=i.layers.slice(0))}super.initializeComponentData(e,i,s)}cloneComponent(e,t){const s=e.particlesystem.data,i=this.schema,r={};for(let a=0,n=i.length;a<n;a++){const o=i[a];let c=s[o];c instanceof E||c instanceof _i||c instanceof Ya?(c=c.clone(),r[o]=c):o==="layers"?r.layers=s.layers.slice(0):c!=null&&(r[o]=c)}return this.addComponent(t,r)}onUpdate(e){const t=this.store,s=this.app.stats.particles,i=this.app.scene.layers;for(let r=0;r<i.layerList.length;r++)i.layerList[r].requiresLightCube=!1;for(const r in t)if(t.hasOwnProperty(r)){const a=t[r],n=a.entity,o=a.data;if(o.enabled&&n.enabled){const c=n.particlesystem.emitter;if(!c?.meshInstance.visible)continue;if(c.lighting){const h=o.layers;for(let d=0;d<h.length;d++){const u=i.getLayerById(h[d]);u&&(u.requiresLightCube=!0)}}if(!o.paused){let h=0;if(c.simTime+=e,c.simTime>=c.fixedTimeStep&&(h=Math.floor(c.simTime/c.fixedTimeStep),c.simTime-=h*c.fixedTimeStep),h){h=Math.min(h,c.maxSubSteps);for(let d=0;d<h;d++)c.addTime(c.fixedTimeStep,!1);s._updatesPerFrame+=h,s._frameTime+=c._addTimeTime,c._addTimeTime=0}c.finishFrame()}}}}onBeforeRemove(e,t){t.onBeforeRemove()}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}class oz extends Cf{constructor(e,t){super(),this.skin=e,this.skinInstance=t}}class fi{static _skinInstanceCache=new Map;static createCachedSkinInstance(e,t,s){let i=fi.getCachedSkinInstance(e,t);

13428return i||(i=new $c(e),i.resolve(t,s),fi.addCachedSkinInstance(e,t,i)),i}static getCachedSkinInstance(e,t){let s=null;const i=fi._skinInstanceCache.get(t);if(i){const r=i.find(a=>a.skin===e);r&&(r.incRefCount(),s=r.skinInstance)}return s}static addCachedSkinInstance(e,t,s){let i=fi._skinInstanceCache.get(t);i||(i=[],fi._skinInstanceCache.set(t,i));let r=i.find(a=>a.skin===e);r||(r=new oz(e,s),i.push(r)),r.incRefCount()}static removeCachedSkinInstance(e){if(e){const t=e.rootBone;if(t){const s=fi._skinInstanceCache.get(t);if(s){const i=s.findIndex(r=>r.skinInstance===e);if(i>=0){const r=s[i];r.decRefCount(),r.refCount===0&&(s.splice(i,1),s.length||fi._skinInstanceCache.delete(t),e&&(e.destroy(),r.skinInstance=null))}}}}}}class Ec{_evtLoadById=null;_evtUnloadById=null;_evtAddById=null;_evtRemoveById=null;_evtLoadByUrl=null;_evtAddByUrl=null;_evtRemoveByUrl=null;constructor(e,t,s,i,r){this.propertyName=e,this.parent=t,this._scope=r,this._registry=s,this.id=null,this.url=null,this.asset=null,this._onAssetLoad=i.load,this._onAssetAdd=i.add,this._onAssetRemove=i.remove,this._onAssetUnload=i.unload}set id(e){if(this.url)throw Error("Can't set id and url");this._unbind(),this._id=e,this.asset=this._registry.get(this._id),this._bind()}get id(){return this._id}set url(e){if(this.id)throw Error("Can't set id and url");this._unbind(),this._url=e,this.asset=this._registry.getByUrl(this._url),this._bind()}get url(){return this._url}_bind(){this.id&&(this._onAssetLoad&&(this._evtLoadById=this._registry.on(`load:${this.id}`,this._onLoad,this)),this._onAssetAdd&&(this._evtAddById=this._registry.once(`add:${this.id}`,this._onAdd,this)),this._onAssetRemove&&(this._evtRemoveById=this._registry.on(`remove:${this.id}`,this._onRemove,this)),this._onAssetUnload&&(this._evtUnloadById=this._registry.on(`unload:${this.id}`,this._onUnload,this))),this.url&&(this._onAssetLoad&&(this._evtLoadByUrl=this._registry.on(`load:url:${this.url}`,this._onLoad,this)),this._onAssetAdd&&(this._evtAddByUrl=this._registry.once(`add:url:${this.url}`,this._onAdd,this)),this._onAssetRemove&&(this._evtRemoveByUrl=this._registry.on(`remove:url:${this.url}`,this._onRemove,this)))}_unbind(){this.id&&(this._evtLoadById?.off(),this._evtLoadById=null,this._evtAddById?.off(),this._evtAddById=null,this._evtRemoveById?.off(),this._evtRemoveById=null,this._evtUnloadById?.off(),this._evtUnloadById=null),this.url&&(this._evtLoadByUrl?.off(),this._evtLoadByUrl=null,this._evtAddByUrl?.off(),this._evtAddByUrl=null,this._evtRemoveByUrl?.off(),this._evtRemoveByUrl=null)}_onLoad(e){this._onAssetLoad.call(this._scope,this.propertyName,this.parent,e)}_onAdd(e){this.asset=e,this._onAssetAdd.call(this._scope,this.propertyName,this.parent,e)}_onRemove(e){this._onAssetRemove.call(this._scope,this.propertyName,this.parent,e),this.asset=null}_onUnload(e){this._onAssetUnload.call(this._scope,this.propertyName,this.parent,e)}}class Zw extends ye{_type="asset";_castShadows=!0;_receiveShadows=!0;_castShadowsLightmap=!0;_lightmapped=!1;_lightmapSizeMultiplier=1;isStatic=!1;_batchGroupId=-1;_layers=[Ir];_renderStyle=co;_meshInstances=[];_customAabb=null;_area=null;_assetReference;_materialReferences=[];_material;_rootBone=null;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;_evtSetMeshes=null;constructor(e,t){super(e,t),this._assetReference=new Ec("asset",this,e.app.assets,{add:this._onRenderAssetAdded,load:this._onRenderAssetLoad,remove:this._onRenderAssetRemove,unload:this._onRenderAssetUnload},this),this._material=e.defaultMaterial,t.on("remove",this.onRemoveChild,this),t.on("removehierarchy",this.onRemoveChild,this),t.on("insert",this.onInsertChild,this),t.on("inserthierarchy",this.onInsertChild,this)}set renderStyle(e){this._renderStyle!==e&&(this._renderStyle=e,Ne._prepareRenderStyleForArray(this._meshInstances,e))}get renderStyle(){return this._renderStyle}set customAabb(e){this._customAabb=e;const t=this._meshInstances;if(t)for(let s=0;s<t.length;s++)t[s].setCustomAabb(this._customAabb)}get customAabb(){return this._customAabb}set type(e){if(this._type!==e&&(this._area=null,this._type=e,this.destroyMeshInstances(),e!=="asset")){let t=this._material;(!t||t===this.system.defaultMaterial)&&(t=this._materialReferences[0]&&this._materialReferences[0].asset&&this._materialReferences[0].asset.resource);

13428const s=$w(this.system.app.graphicsDevice,e);this._area=s.area,this.meshInstances=[new Ne(s.mesh,t||this.system.defaultMaterial,this.entity)]}}get type(){return this._type}set meshInstances(e){if(this.destroyMeshInstances(),this._meshInstances=e,this._meshInstances){const t=this._meshInstances;for(let s=0;s<t.length;s++)t[s].node||(t[s].node=this.entity),t[s].castShadow=this._castShadows,t[s].receiveShadow=this._receiveShadows,t[s].renderStyle=this._renderStyle,t[s].setLightmapped(this._lightmapped),t[s].setCustomAabb(this._customAabb);this.enabled&&this.entity.enabled&&this.addToLayers()}}get meshInstances(){return this._meshInstances}set lightmapped(e){if(e!==this._lightmapped){this._lightmapped=e;const t=this._meshInstances;if(t)for(let s=0;s<t.length;s++)t[s].setLightmapped(e)}}get lightmapped(){return this._lightmapped}set castShadows(e){if(this._castShadows!==e){const t=this._meshInstances;if(t){const s=this.layers,i=this.system.app.scene;if(this._castShadows&&!e)for(let r=0;r<s.length;r++){const a=i.layers.getLayerById(this.layers[r]);a&&a.removeShadowCasters(t)}for(let r=0;r<t.length;r++)t[r].castShadow=e;if(!this._castShadows&&e)for(let r=0;r<s.length;r++){const a=i.layers.getLayerById(s[r]);a&&a.addShadowCasters(t)}}this._castShadows=e}}get castShadows(){return this._castShadows}set receiveShadows(e){if(this._receiveShadows!==e){this._receiveShadows=e;const t=this._meshInstances;if(t)for(let s=0;s<t.length;s++)t[s].receiveShadow=e}}get receiveShadows(){return this._receiveShadows}set castShadowsLightmap(e){this._castShadowsLightmap=e}get castShadowsLightmap(){return this._castShadowsLightmap}set lightmapSizeMultiplier(e){this._lightmapSizeMultiplier=e}get lightmapSizeMultiplier(){return this._lightmapSizeMultiplier}set layers(e){const t=this.system.app.scene.layers;let s;if(this._meshInstances)for(let i=0;i<this._layers.length;i++)s=t.getLayerById(this._layers[i]),s&&s.removeMeshInstances(this._meshInstances);this._layers.length=0;for(let i=0;i<e.length;i++)this._layers[i]=e[i];if(!(!this.enabled||!this.entity.enabled||!this._meshInstances))for(let i=0;i<this._layers.length;i++)s=t.getLayerById(this._layers[i]),s&&s.addMeshInstances(this._meshInstances)}get layers(){return this._layers}set batchGroupId(e){this._batchGroupId!==e&&(this.entity.enabled&&this._batchGroupId>=0&&this.system.app.batcher?.remove(Zt.RENDER,this.batchGroupId,this.entity),this.entity.enabled&&e>=0&&this.system.app.batcher?.insert(Zt.RENDER,e,this.entity),e<0&&this._batchGroupId>=0&&this.enabled&&this.entity.enabled&&this.addToLayers(),this._batchGroupId=e)}get batchGroupId(){return this._batchGroupId}set material(e){if(this._material!==e&&(this._material=e,this._meshInstances&&this._type!=="asset"))for(let t=0;t<this._meshInstances.length;t++)this._meshInstances[t].material=e}get material(){return this._material}set materialAssets(e=[]){if(this._materialReferences.length>e.length){for(let t=e.length;t<this._materialReferences.length;t++)this._materialReferences[t].id=null;this._materialReferences.length=e.length}for(let t=0;t<e.length;t++)if(this._materialReferences[t]||this._materialReferences.push(new Ec(t,this,this.system.app.assets,{add:this._onMaterialAdded,load:this._onMaterialLoad,remove:this._onMaterialRemove,unload:this._onMaterialUnload},this)),e[t]){const s=e[t]instanceof pe?e[t].id:e[t];this._materialReferences[t].id!==s&&(this._materialReferences[t].id=s),this._materialReferences[t].asset&&this._onMaterialAdded(t,this,this._materialReferences[t].asset)}else this._materialReferences[t].id=null,this._meshInstances[t]&&(this._meshInstances[t].material=this.system.defaultMaterial)}get materialAssets(){return this._materialReferences.map(e=>e.id)}set asset(e){const t=e instanceof pe?e.id:e;this._assetReference.id!==t&&(this._assetReference.asset&&this._assetReference.asset.resource&&this._onRenderAssetRemove(),this._assetReference.id=t,this._assetReference.asset&&this._onRenderAssetAdded())}get asset(){return this._assetReference.id}assignAsset(e){const t=e instanceof pe?e.id:e;this._assetReference.id=t}set rootBone(e){if(this._rootBone!==e){const t=typeof e=="string";if(this._rootBone&&t&&this._rootBone.guid===e)return;this._rootBone&&this._clearSkinInstances(),e instanceof He?this._rootBone=e:t?(this._rootBone=this.system.a

13428pp.getEntityFromIndex(e)||null,this._rootBone):this._rootBone=null,this._rootBone&&this._cloneSkinInstances()}}get rootBone(){return this._rootBone}destroyMeshInstances(){const e=this._meshInstances;if(e){this.removeFromLayers(),this._clearSkinInstances();for(let t=0;t<e.length;t++)e[t].destroy();this._meshInstances.length=0}}addToLayers(){const e=this.system.app.scene.layers;for(let t=0;t<this._layers.length;t++){const s=e.getLayerById(this._layers[t]);s&&s.addMeshInstances(this._meshInstances)}}removeFromLayers(){if(this._meshInstances&&this._meshInstances.length){const e=this.system.app.scene.layers;for(let t=0;t<this._layers.length;t++){const s=e.getLayerById(this._layers[t]);s&&s.removeMeshInstances(this._meshInstances)}}}onRemoveChild(){this.removeFromLayers()}onInsertChild(){this._meshInstances&&this.enabled&&this.entity.enabled&&this.addToLayers()}onRemove(){this.destroyMeshInstances(),this.asset=null,this.materialAsset=null,this._assetReference.id=null;for(let e=0;e<this._materialReferences.length;e++)this._materialReferences[e].id=null;this.entity.off("remove",this.onRemoveChild,this),this.entity.off("insert",this.onInsertChild,this)}onLayersChanged(e,t){this.addToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this.layers.indexOf(e.id)<0||e.addMeshInstances(this._meshInstances)}onLayerRemoved(e){this.layers.indexOf(e.id)<0||e.removeMeshInstances(this._meshInstances)}onEnable(){const e=this.system.app,t=e.scene,s=t.layers;this._rootBone&&this._cloneSkinInstances(),this._evtLayersChanged=t.on("set:layers",this.onLayersChanged,this),s&&(this._evtLayerAdded=s.on("add",this.onLayerAdded,this),this._evtLayerRemoved=s.on("remove",this.onLayerRemoved,this));const i=this._type==="asset";this._meshInstances&&this._meshInstances.length?this.addToLayers():i&&this.asset&&this._onRenderAssetAdded();for(let r=0;r<this._materialReferences.length;r++)this._materialReferences[r].asset&&this.system.app.assets.load(this._materialReferences[r].asset);this._batchGroupId>=0&&e.batcher?.insert(Zt.RENDER,this.batchGroupId,this.entity)}onDisable(){const e=this.system.app,s=e.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,this._rootBone&&this._clearSkinInstances(),s&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this._batchGroupId>=0&&e.batcher?.remove(Zt.RENDER,this.batchGroupId,this.entity),this.removeFromLayers()}hide(){if(this._meshInstances)for(let e=0;e<this._meshInstances.length;e++)this._meshInstances[e].visible=!1}show(){if(this._meshInstances)for(let e=0;e<this._meshInstances.length;e++)this._meshInstances[e].visible=!0}_onRenderAssetAdded(){this._assetReference.asset&&(this._assetReference.asset.resource?this._onRenderAssetLoad():this.enabled&&this.entity.enabled&&this.system.app.assets.load(this._assetReference.asset))}

13428_onRenderAssetLoad(){if(this.destroyMeshInstances(),this._assetReference.asset){const e=this._assetReference.asset.resource;this._evtSetMeshes?.off(),this._evtSetMeshes=e.on("set:meshes",this._onSetMeshes,this),e.meshes&&this._onSetMeshes(e.meshes)}}_onSetMeshes(e){this._cloneMeshes(e)}_clearSkinInstances(){for(let e=0;e<this._meshInstances.length;e++){const t=this._meshInstances[e];fi.removeCachedSkinInstance(t.skinInstance),t.skinInstance=null}}_cloneSkinInstances(){if(this._meshInstances.length&&this._rootBone instanceof He)for(let e=0;e<this._meshInstances.length;e++){const t=this._meshInstances[e],s=t.mesh;s.skin&&!t.skinInstance&&(t.skinInstance=fi.createCachedSkinInstance(s.skin,this._rootBone,this.entity))}}_cloneMeshes(e){if(e&&e.length){const t=[];for(let s=0;s<e.length;s++){const i=e[s],r=this._materialReferences[s]&&this._materialReferences[s].asset&&this._materialReferences[s].asset.resource,a=new Ne(i,r||this.system.defaultMaterial,this.entity);t.push(a),i.morph&&(a.morphInstance=new dn(i.morph))}this.meshInstances=t,this._cloneSkinInstances()}}_onRenderAssetUnload(){this._type==="asset"&&this.destroyMeshInstances()}_onRenderAssetRemove(){this._evtSetMeshes?.off(),this._evtSetMeshes=null,this._onRenderAssetUnload()}_onMaterialAdded(e,t,s){s.resource?this._onMaterialLoad(e,t,s):this.enabled&&this.entity.enabled&&this.system.app.assets.load(s)}_updateMainMaterial(e,t){e===0&&(this.material=t)}_onMaterialLoad(e,t,s){this._meshInstances[e]&&(this._meshInstances[e].material=s.resource),this._updateMainMaterial(e,s.resource)}_onMaterialRemove(e,t,s){this._meshInstances[e]&&(this._meshInstances[e].material=this.system.defaultMaterial),this._updateMainMaterial(e,this.system.defaultMaterial)}_onMaterialUnload(e,t,s){this._meshInstances[e]&&(this._meshInstances[e].material=this.system.defaultMaterial),this._updateMainMaterial(e,this.system.defaultMaterial)}resolveDuplicatedEntityReferenceProperties(e,t){e.rootBone&&(this.rootBone=t[e.rootBone.guid])}}class lz{enabled=!0}const C_=["enabled"],Fa=["material","meshInstances","asset","materialAssets","castShadows","receiveShadows","castShadowsLightmap","lightmapped","lightmapSizeMultiplier","render

13428Style","type","layers","isStatic","batchGroupId","rootBone"];class cz extends Tt{constructor(e){super(e),this.id="render",this.ComponentType=Zw,this.DataType=lz,this.schema=C_,this.defaultMaterial=Zo(e.graphicsDevice),this.on("beforeremove",this.onRemove,this)}initializeComponentData(e,t,s){(t.batchGroupId===null||t.batchGroupId===void 0)&&(t.batchGroupId=-1),t.layers&&t.layers.length&&(t.layers=t.layers.slice(0));for(let i=0;i<Fa.length;i++)t.hasOwnProperty(Fa[i])&&(e[Fa[i]]=t[Fa[i]]);t.aabbCenter&&t.aabbHalfExtents&&(e.customAabb=new Le(new E(t.aabbCenter),new E(t.aabbHalfExtents))),super.initializeComponentData(e,t,C_)}cloneComponent(e,t){const s={};for(let n=0;n<Fa.length;n++)s[Fa[n]]=e.render[Fa[n]];s.enabled=e.render.enabled,delete s.meshInstances;const i=this.addComponent(t,s),r=e.render.meshInstances,a=r.map(n=>n.mesh);i._onSetMeshes(a);for(let n=0;n<r.length;n++)i.meshInstances[n].material=r[n].material;return e.render.customAabb&&(i.customAabb=e.render.customAabb.clone()),i}onRemove(e,t){t.onRemove()}}ye._buildAccessors(Zw.prototype,C_);class Jp{_constructor;_pool=[];_count=0;constructor(e,t){this._constructor=e,this._resize(t)}_resize(e){if(e>this._pool.length)for(let t=this._pool.length;t<e;t++)this._pool[t]=new this._constructor}allocate(){return this._count>=this._pool.length&&this._resize(this._pool.length*2),this._pool[this._count++]}freeAll(){this._count=0}}let Fs,Ve,hi,Qn;const hz=new ae,dz=new ae,rd=new E;class Eo extends ye{static EVENT_CONTACT="contact";static EVENT_COLLISIONSTART="collisionstart";static EVENT_COLLISIONEND="collisionend";static EVENT_TRIGGERENTER="triggerenter";static EVENT_TRIGGERLEAVE="triggerleave";static order=-1;_angularDamping=0;_angularFactor=new E(1,1,1);_angularVelocity=new E;_body=null;_friction=.5;_group=Xy;_linearDamping=0;_linearFactor=new E(1,1,1);_linearVelocity=new E;_mask=__;_mass=1;_restitution=0;_rollingFriction=0;_simulationEnabled=!1;_type=El;static onLibraryLoaded(){typeof Ammo<"u"&&(Fs=new Ammo.btTransform,Ve=new Ammo.btVector3,hi=new Ammo.btVector3,Qn=new Ammo.btQuaternion)}static onAppDestroy(){Ammo.destroy(Fs),Ammo.destroy(Ve),Ammo.destroy(hi),Ammo.destroy(Qn),Fs=null,Ve=null,hi=null,Qn=null}set angularDamping(e){this._angularDamping!==e&&(this._angularDamping=e,this._body&&this._body.setDamping(this._linearDamping,e))}get angularDamping(){return this._angularDamping}set angularFactor(e){this._angularFactor.equals(e)||(this._angularFactor.copy(e),this._body&&this._type===li&&(Ve.setValue(e.x,e.y,e.z),this._body.setAngularFactor(Ve)))}get angularFactor(){return this._angularFactor}set angularVelocity(e){this._body&&this._type===li&&(this._body.activate(),Ve.setValue(e.x,e.y,e.z),this._body.setAngularVelocity(Ve),this._angularVelocity.copy(e))}get angularVelocity(){if(this._body&&this._type===li){const e=this._body.getAngularVelocity();this._angularVelocity.set(e.x(),e.y(),e.z())}return this._angularVelocity}set body(e){this._body!==e&&(this._body=e,e&&this._simulationEnabled&&e.activate())}get body(){return this._body}set friction(e){this._friction!==e&&(this._friction=e,this._body&&this._body.setFriction(e))}get friction(){return this._friction}set group(e){this._group!==e&&(this._group=e,this.enabled&&this.entity.enabled&&(this.disableSimulation(),this.enableSimulation()))}get group(){return this._group}set linearDamping(e){this._linearDamping!==e&&(this._linearDamping=e,this._body&&this._body.setDamping(e,this._angularDamping))}get linearDamping(){return this._linearDamping}set linearFactor(e){this._linearFactor.equals(e)||(this._linearFactor.copy(e),this._body&&this._type===li&&(Ve.setValue(e.x,e.y,e.z),this._body.setLinearFactor(Ve)))}get linearFactor(){return this._linearFactor}set linearVelocity(e){this._body&&this._type===li&&(this._body.activate(),Ve.setValue(e.x,e.y,e.z),this._body.setLinearVelocity(Ve),this._linearVelocity.copy(e))}get linearVelocity(){if(this._body&&this._type===li){const e=this._body.getLinearVelocity();this._linearVelocity.set(e.x(),e.y(),e.z())}return this._linearVelocity}set mask(e){this._mask!==e&&(this._mask=e,this.enabled&&this.entity.enabled&&(this.disableSimulation(),this.enableSimulation()))}get mask(){return this._mask}set mass(e){if(this._mass!==e&&(this._mass=e,this._body&&this._type===li)){const t=this.enabled&&this.entity.enabled;t&&this.disableSimulation(),this._body.getCollisionShape().calculateLocalInertia(e,Ve),this._body.setMassProps(e,Ve),this._body.updateInertiaTensor(),t&&this.enableSimulation()}}get mass(){return this._mass}set restitution(e){this._restitution!==e&&(this._restitution=e,this._body&&this._body.setRestitution(e))}get restitution(){return this._restitution}set rollingFriction(e){this._rollingFriction!==e&&(this._rollingFriction=e,this._body&&this._body.setRollingFriction(e))}get rollingFriction(){return this._rollingFriction}set type(e){if(this._type!==e){switch(this._type=e,this.disableSimulation(),e){case li:this._group=gN,this._mask=jy;break;case Xn:this._group=vN,this._mask=jy;break;case El:default:this._group=Xy,this._mask=__;break}this.createBody()}}get type(){return this._type}createBody(){const e=this.entity;let t;if(e.collision&&(t=e.collision.shape,e.trigger&&(e.trigger.destroy(),delete e.trigger)),t){this._body&&(this.system.removeBody(this._body),this.system.destroyBody(this._body),this._body=null);const s=this._type===li?this._mass:0;this._getEntityTransform(Fs);const i=this.system.createBody(s,t,Fs);if(i.setRestitution(this._restitution),i.setFriction(this._friction),i.setRollingFriction(this._rollingFriction),i.setDamping(this._linearDamping,this._angularDamping),this._type===li){const r=this._linearFactor;Ve.setValue(r.x,r.y,r.z),i.setLinearFactor(Ve);const a=this._angularFactor;Ve.setValue(a.x,a.y,a.z),i.setAngularFactor(Ve)}else this._type===Xn&&(i.setCollisionFlags(i.getCollisionFlags()|_N),i.setActivationState(Wy));i.entity=e,this.body=i,this.enabled&&e.enabled&&this.enableSimulation()}}isActive(){return this._body?this._body.isActive():!1}activate(){this._body&&this._body.activate()}enableSimulation(){const e=this.entity;if(e.collision&&e.collision.enabled&&!this._simulationEnabled){const t=this._body;if(t){switch(this.system.addBody(t,this._group,this._mask),this._type){case li:this.system._dynamic.push(this),t.forceActivationState(m_),this.syncEntityToBody();break;case Xn:this.system._kinematic.push(this),t.forceActivationState(Wy);break;case El:t.forceActivationState(m_),this.syncEntityToBody();break}e.collision.type==="compound"&&this.system._compounds.push(e.collision),t.activate(),this._simulationEnabled=!0}}}disableSimulation(){const e=this._body;if(e&&this._simulationEnabled){const t=this.system;let s=t._compounds.indexOf(this.entity.collision);s>-1&&t._compounds.splice(s,1),s=t._dynamic.indexOf(this),s>-1&&t._dynamic.splice(s,1),s=t._kinematic.indexOf(this),s>-1&&t._kinematic.splice(s,1),t.removeBody(e),e.forceActivationState(Uw),this._simulationEnabled=!1}}applyForce(e,t,s,i,r,a){const n=this._body;n&&(n.activate(),e instanceof E?Ve.setValue(e.x,e.y,e.z):Ve.setValue(e,t,s

13428),t instanceof E?hi.setValue(t.x,t.y,t.z):i!==void 0?hi.setValue(i,r,a):hi.setValue(0,0,0),n.applyForce(Ve,hi))}applyTorque(e,t,s){const i=this._body;i&&(i.activate(),e instanceof E?Ve.setValue(e.x,e.y,e.z):Ve.setValue(e,t,s),i.applyTorque(Ve))}applyImpulse(e,t,s,i,r,a){const n=this._body;n&&(n.activate(),e instanceof E?Ve.setValue(e.x,e.y,e.z):Ve.setValue(e,t,s),t instanceof E?hi.setValue(t.x,t.y,t.z):i!==void 0?hi.setValue(i,r,a):hi.setValue(0,0,0),n.applyImpulse(Ve,hi))}applyTorqueImpulse(e,t,s){const i=this._body;i&&(i.activate(),e instanceof E?Ve.setValue(e.x,e.y,e.z):Ve.setValue(e,t,s),i.applyTorqueImpulse(Ve))}isStatic(){return this._type===El}isStaticOrKinematic(){return this._type===El||this._type===Xn}isKinematic(){return this._type===Xn}_getEntityTransform(e){const t=this.entity,s=t.collision;if(s){const i=s.getShapePosition(),r=s.getShapeRotation();Ve.setValue(i.x,i.y,i.z),Qn.setValue(r.x,r.y,r.z,r.w)}else{const i=t.getPosition(),r=t.getRotation();Ve.setValue(i.x,i.y,i.z),Qn.setValue(r.x,r.y,r.z,r.w)}e.setOrigin(Ve),e.setRotation(Qn)}syncEntityToBody(){const e=this._body;if(e){if(this._getEntityTransform(Fs),e.setWorldTransform(Fs),this._type===Xn){const t=e.getMotionState();t&&t.setWorldTransform(Fs)}e.activate()}}_updateDynamic(){const e=this._body;if(e.isActive()){const t=e.getMotionState();if(t){const s=this.entity;t.getWorldTransform(Fs);const i=Fs.getOrigin(),r=Fs.getRotation(),a=s.collision;if(a&&a._hasOffset){const n=a.data.linearOffset,o=a.data.angularOffset,c=dz.copy(o).invert(),h=hz.set(r.x(),r.y(),r.z(),r.w()).mul(c);h.transformVector(n,rd),s.setPosition(i.x()-rd.x,i.y()-rd.y,i.z()-rd.z),s.setRotation(h)}else s.setPosition(i.x(),i.y(),i.z()),s.setRotation(r.x(),r.y(),r.z(),r.w())}}}_updateKinematic(){const e=this._body.getMotionState();e&&(this._getEntityTransform(Fs),e.setWorldTransform(Fs))}teleport(e,t,s,i,r,a){e instanceof E?this.entity.setPosition(e):this.entity.setPosition(e,t,s),t instanceof ae?this.entity.setRotation(t):t instanceof E?this.entity.setEulerAngles(t):i!==void 0&&this.entity.setEulerAngles(i,r,a),this.syncEntityToBody()}onEnable(){this._body||this.createBody(),this.enableSimulation()}onDisable(){this.disableSimulation()}}class uz{enabled=!0}let tr,sr;class i0{entity;point;normal;hitFraction;constructor(e,t,s,i){this.entity=e,this.point=t,this.normal=s,this.hitFraction=i}}class fz{a;b;impulse;localPointA;localPointB;pointA;pointB;normal;constructor(e,t,s){arguments.length!==0?(this.a=e,this.b=t,this.impulse=s.impulse,this.localPointA=s.localPoint,this.localPointB=s.localPointOther,this.pointA=s.point,this.pointB=s.pointOther,this.normal=s.normal):(this.a=null,this.b=null,this.impulse=0,this.localPointA=new E,this.localPointB=new E,this.pointA=new E,this.pointB=new E,this.normal=new E)}}class pz{localPoint;localPointOther;point;pointOther;normal;impulse;constructor(e=new E,t=new E,s=new E,i=new E,r=new E,a=0){this.localPoint=e,this.localPointOther=t,this.point=s,this.pointOther=i,this.normal=r,this.impulse=a}}class mz{other;contacts;constructor(e,t){this.other=e,this.contacts=t}}const Qw=["enabled"];class Jw extends Tt{static EVENT_CONTACT="contact";maxSubSteps=10;fixedTimeStep=1/60;gravity=new E(0,-9.81,0);_gravityFloat32=new Float32Array(3);_dynamic=[];_kinematic=[];_triggers=[];_compounds=[];constructor(e){super(e),this.id="rigidbody",this._stats=e.stats.frame,this.ComponentType=Eo,this.DataType=uz,this.contactPointPool=null,this.contactResultPool=null,this.singleContactResultPool=null,this.schema=Qw,this.collisions={},this.frameCollisions={},this.on("beforeremove",this.onBeforeRemove,this)}onLibraryLoaded(){if(typeof Ammo<"u"){if(this.collisionConfiguration=new Ammo.btDefaultCollisionConfiguration,this.dispatcher=new Ammo.btCollisionDispatcher(this.collisionConfiguration),this.overlappingPairCache=new Ammo.btDbvtBroadphase,this.solver=new Ammo.btSequentialImpulseConstraintSolver,this.dynamicsWorld=new Ammo.btDiscreteDynamicsWorld(this.dispatcher,this.overlappingPairCache,this.solver,this.collisionConfiguration),this.dynamicsWorld.setInternalTickCallback){const e=Ammo.addFunction(this._checkForCollisions.bind(this),"vif");this.dynamicsWorld.setInternalTickCallback(e)}tr=new Ammo.btVector3,sr=new Ammo.btVector3,Eo.onLibraryLoaded(),this.contactPointPool=new Jp(pz,1),this.contactResultPool=new Jp(mz,1),this.singleContactResultPool=new Jp(fz,1),this.app.systems.on("update",this.onUpdate,this)}else this.app.systems.off("update",this.onUpdate,this)}initializeComponentData(e,t,s){const i=["mass","linearDamping","angularDamping","linearFactor","angularFactor","friction","rollingFriction","restitution","type","group","mask"];for(const r of i)if(t.hasOwnProperty(r)){const a=t[r];Array.isArray(a)?e[r]=new E(a[0],a[1],a[2]):e[r]=a}super.initializeComponentData(e,t,["enabled"])}cloneComponent(e,t){const s=e.rigidbody,i={enabled:s.enabled,mass:s.mass,linearDamping:s.linearDamping,angularDamping:s.angularDamping,linearFactor:[s.linearFactor.x,s.linearFactor.y,s.linearFactor.z],angularFactor:[s.angularFactor.x,s.angularFactor.y,s.angularFactor.z],friction:s.friction,rollingFriction:s.rollingFriction,restitution:s.restitution,type:s.type,group:s.group,mask:s.mask};return this.addComponent(t,i)}onBeforeRemove(e,t){t.enabled&&(t.enabled=!1),t.body&&(this.destroyBody(t.body),t.body=null)}addBody(e,t,s){t!==void 0&&s!==void 0?this.dynamicsWorld.addRigidBody(e,t,s):this.dynamicsWorld.addRigidBody(e)}removeBody(e){this.dynamicsWorld.removeRigidBody(e)}createBody(e,t,s){const i=new Ammo.btVector3(0,0,0);e!==0&&t.calculateLocalInertia(e,i);const r=new Ammo.btDefaultMotionState(s),a=new Ammo.btRigidBodyConstructionInfo(e,r,t,i),n=new Ammo.btRigidBody(a);return Ammo.destroy(a),Ammo.destroy(i),n}destroyBody(e){const t=e.getMotionState();t&&Ammo.destroy(t),Ammo.destroy(e)}raycastFirst(e,t,s={}){if(s.filterTags||s.filterCallback)return s.sort=!0,this.raycastAll(e,t,s

13428)[0]||null;let i=null;tr.setValue(e.x,e.y,e.z),sr.setValue(t.x,t.y,t.z);const r=new Ammo.ClosestRayResultCallback(tr,sr);if(typeof s.filterCollisionGroup=="number"&&r.set_m_collisionFilterGroup(s.filterCollisionGroup),typeof s.filterCollisionMask=="number"&&r.set_m_collisionFilterMask(s.filterCollisionMask),this.dynamicsWorld.rayTest(tr,sr,r),r.hasHit()){const a=r.get_m_collisionObject(),n=Ammo.castObject(a,Ammo.btRigidBody);if(n){const o=r.get_m_hitPointWorld(),c=r.get_m_hitNormalWorld();i=new i0(n.entity,new E(o.x(),o.y(),o.z()),new E(c.x(),c.y(),c.z()),r.get_m_closestHitFraction())}}return Ammo.destroy(r),i}raycastAll(e,t,s={}){const i=[];tr.setValue(e.x,e.y,e.z),sr.setValue(t.x,t.y,t.z);const r=new Ammo.AllHitsRayResultCallback(tr,sr);if(typeof s.filterCollisionGroup=="number"&&r.set_m_collisionFilterGroup(s.filterCollisionGroup),typeof s.filterCollisionMask=="number"&&r.set_m_collisionFilterMask(s.filterCollisionMask),this.dynamicsWorld.rayTest(tr,sr,r),r.hasHit()){const a=r.get_m_collisionObjects(),n=r.get_m_hitPointWorld(),o=r.get_m_hitNormalWorld(),c=r.get_m_hitFractions(),h=a.size();for(let d=0;d<h;d++){const u=Ammo.castObject(a.at(d),Ammo.btRigidBody);if(u&&u.entity){if(s.filterTags&&!u.entity.tags.has(...s.filterTags)||s.filterCallback&&!s.filterCallback(u.entity))continue;const f=n.at(d),p=o.at(d),m=new i0(u.entity,new E(f.x(),f.y(),f.z()),new E(p.x(),p.y(),p.z()),c.at(d));i.push(m)}}s.sort&&i.sort((d,u)=>d.hitFraction-u.hitFraction)}return Ammo.destroy(r),i}_storeCollision(e,t){let s=!1;const i=e.guid;return this.collisions[i]=this.collisions[i]||{others:[],entity:e},this.collisions[i].others.indexOf(t)<0&&(this.collisions[i].others.push(t),s=!0),this.frameCollisions[i]=this.frameCollisions[i]||{others:[],entity:e},this.frameCollisions[i].others.push(t),s}_createContactPointFromAmmo(e){const t=e.get_m_localPointA(),s=e.get_m_localPointB(),i=e.getPositionWorldOnA(),r=e.getPositionWorldOnB(),a=e.get_m_normalWorldOnB(),n=this.contactPointPool.allocate();return n.localPoint.set(t.x(),t.y(),t.z()),n.localPointOther.set(s.x(),s.y(),s.z()),n.point.set(i.x(),i.y(),i.z()),n.pointOther.set(r.x(),r.y(),r.z()),n.normal.set(a.x(),a.y(),a.z()),n.impulse=e.getAppliedImpulse(),n}_createReverseContactPointFromAmmo(e){const t=e.get_m_localPointA(),s=e.get_m_localPointB(),i=e.getPositionWorldOnA(),r=e.getPositionWorldOnB(),a=e.get_m_normalWorldOnB(),n=this.contactPointPool.allocate();return n.localPointOther.set(t.x(),t.y(),t.z()),n.localPoint.set(s.x(),s.y(),s.z()),n.pointOther.set(i.x(),i.y(),i.z()),n.point.set(r.x(),r.y(),r.z()),n.normal.set(a.x(),a.y(),a.z()),n.impulse=e.getAppliedImpulse(),n}_createSingleContactResult(e,t,s){const i=this.singleContactResultPool.allocate();return i.a=e,i.b=t,i.localPointA=s.localPoint,i.localPointB=s.localPointOther,i.pointA=s.point,i.pointB=s.pointOther,i.normal=s.normal,i.impulse=s.impulse,i}_createContactResult(e,t){const s=this.contactResultPool.allocate();return s.other=e,s.contacts=t,s}_cleanOldCollisions(){for(const e in this.collisions)if(this.collisions.hasOwnProperty(e)){const t=this.frameCollisions[e],s=this.collisions[e],i=s.entity,r=i.collision,a=i.rigidbody,n=s.others;let c=n.length;for(;c--;){const h=n[c];(!t||t.others.indexOf(h)<0)&&(n.splice(c,1),i.trigger?(r&&r.fire("triggerleave",h),h.rigidbody&&h.rigidbody.fire("triggerleave",i)):h.trigger||(a&&a.fire("collisionend",h),r&&r.fire("collisionend",h)))}n.length===0&&delete this.collisions[e]}}_hasContactEvent(e){const t=e.collision;if(t&&(t.hasEvent("collisionstart")||t.hasEvent("collisionend")||t.hasEvent("contact")))return!0;const s=e.rigidbody;return s&&(s.hasEvent("collisionstart")||s.hasEvent("collisionend")||s.hasEvent("contact"))}_checkForCollisions(e,t){const i=Ammo.wrapPointer(e,Ammo.btDynamicsWorld).getDispatcher(),r=i.getNumManifolds();this.frameCollisions={};for(let a=0;a<r;a++){const n=i.getManifoldByIndexInternal(a),o=n.getBody0(),c=n.getBody1(),h=Ammo.castObject(o,Ammo.btRigidBody),d=Ammo.castObject(c,Ammo.btRigidBody),u=h.entity,f=d.entity;if(!u||!f)continue;const p=h.getCollisionFlags(),m=d.getCollisionFlags(),_=n.getNumC

13428ontacts(),g=[],v=[];let x;if(_>0)if(p&Ul||m&Ul){const y=u.collision&&(u.collision.hasEvent("triggerenter")||u.collision.hasEvent("triggerleave")),S=f.collision&&(f.collision.hasEvent("triggerenter")||f.collision.hasEvent("triggerleave")),T=u.rigidbody&&(u.rigidbody.hasEvent("triggerenter")||u.rigidbody.hasEvent("triggerleave")),w=f.rigidbody&&(f.rigidbody.hasEvent("triggerenter")||f.rigidbody.hasEvent("triggerleave"));y&&(x=this._storeCollision(u,f),x&&!(m&Ul)&&u.collision.fire("triggerenter",f)),S&&(x=this._storeCollision(f,u),x&&!(p&Ul)&&f.collision.fire("triggerenter",u)),T&&(x||(x=this._storeCollision(f,u)),x&&u.rigidbody.fire("triggerenter",f)),w&&(x||(x=this._storeCollision(u,f)),x&&f.rigidbody.fire("triggerenter",u))}else{const y=this._hasContactEvent(u),S=this._hasContactEvent(f),T=this.hasEvent("contact");if(T||y||S){for(let w=0;w<_;w++){const C=n.getContactPoint(w),b=this._createContactPointFromAmmo(C);if(y||S){g.push(b);const I=this._createReverseContactPointFromAmmo(C);v.push(I)}if(T){const I=this._createSingleContactResult(u,f,b);this.fire("contact",I)}}if(y){const w=this._createContactResult(f,g);x=this._storeCollision(u,f),u.collision&&(u.collision.fire("contact",w),x&&u.collision.fire("collisionstart",w)),u.rigidbody&&(u.rigidbody.fire("contact",w),x&&u.rigidbody.fire("collisionstart",w))}if(S){const w=this._createContactResult(u,v);x=this._storeCollision(f,u),f.collision&&(f.collision.fire("contact",w),x&&f.collision.fire("collisionstart",w)),f.rigidbody&&(f.rigidbody.fire("contact",w),x&&f.rigidbody.fire("collisionstart",w))}}}}this._cleanOldCollisions(),this.contactPointPool.freeAll(),this.contactResultPool.freeAll(),this.singleContactResultPool.freeAll()}onUpdate(e){let t,s;this._stats.physicsStart=Gt(),this._gravityFloat32[0]=this.gravity.x,this._gravityFloat32[1]=this.gravity.y,this._gravityFloat32[2]=this.gravity.z;const i=this.dynamicsWorld.getGravity();(i.x()!==this._gravityFloat32[0]||i.y()!==this._gravityFloat32[1]||i.z()!==this._gravityFloat32[2])&&(i.setValue(this.gravity.x,this.gravity.y,this.gravity.z),this.dynamicsWorld.setGravity(i));const r=this._triggers;for(t=0,s=r.length;t<s;t++)r[t].updateTransform();const a=this._compounds;for(t=0,s=a.length;t<s;t++)a[t]._updateCompound();const n=this._kinematic;for(t=0,s=n.length;t<s;t++)n[t]._updateKinematic();this.dynamicsWorld.stepSimulation(e,this.maxSubSteps,this.fixedTimeStep);const o=this._dynamic;for(t=0,s=o.length;t<s;t++)o[t]._updateDynamic();this.dynamicsWorld.setInternalTickCallback||this._checkForCollisions(Ammo.getPointer(this.dynamicsWorld),e),this._stats.physicsTime=Gt()-this._stats.physicsStart}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this),typeof Ammo<"u"&&(Ammo.destroy(this.dynamicsWorld),Ammo.destroy(this.solver),Ammo.destroy(this.overlappingPairCache),Ammo.destroy(this.dispatcher),Ammo.destroy(this.collisionConfiguration),Ammo.destroy(tr),Ammo.destroy(sr),this.dynamicsWorld=null,this.solver=null,this.overlappingPairCache=null,this.dispatcher=null,this.collisionConfiguration=null,tr=null,sr=null,Eo.onAppDestroy())}}ye._buildAccessors(Eo.prototype,Qw);const Jn="none",_z="blend",r0=new Z;class eC extends ye{_resolution=new j(640,320);_referenceResolution=new j(640,320);_scaleMode=Jn;scale=1;_scaleBlend=.5;_priority=0;_screenSpace=!1;cull=!1;_screenMatrix=new Z;_elements=new Set;constructor(e,t){super(e,t),e.app.graphicsDevice.on("resizecanvas",this._onResize,this)}syncDrawOrder(){this.system.queueDrawOrderSync(this.entity.guid,this._processDrawOrderSync,this)}_recurseDrawOrderSync(e,t){if(!(e instanceof lt))return t;if(e.element){const i=e.element.drawOrder;e.element.drawOrder=t++,e.element._batchGroupId>=0&&i!==e.element.drawOrder&&this.system.app.batcher?.markGroupDirty(e.element._batchGroupId)}e.particlesystem&&(e.particlesystem.drawOrder=t++);const s=e.children;for(let i=0;i<s.length;i++)t=this._recurseDrawOrderSync(s[i],t);return t}_processDrawOrderSync(){this._recurseDrawOrderSync(this.entity,1),this.fire("syncdraworder")}_calcProjectionMatrix(){const e=this._resolution.x/this.scale,t=this._resolution.y/this.scale,s=0,i=e,r=-t;this._screenMatrix.setOrtho(s,i,r,0,1,-1),this._screenSpace||(r0.setScale(.5*e,.5*t,1),this._screenMatrix.mul2(r0,this._screenMatrix))}_updateScale(){this.scale=this._calcScale(this._resolution,this.referenceResolution)}_calcScale(e,t){const s=Math.log2((e.x||1)/t.x),i=Math.log2((e.y||1)/t.y

13428);return Math.pow(2,s*(1-this._scaleBlend)+i*this._scaleBlend)}_onResize(e,t){this._screenSpace&&(this._resolution.set(e,t),this.resolution=this._resolution)}_bindElement(e){this._elements.add(e)}_unbindElement(e){this._elements.delete(e)}onRemove(){this.system.app.graphicsDevice.off("resizecanvas",this._onResize,this),this.fire("remove"),this._elements.forEach(e=>e._onScreenRemove()),this._elements.clear(),this.off()}set resolution(e){this._screenSpace?this._resolution.set(this.system.app.graphicsDevice.width,this.system.app.graphicsDevice.height):this._resolution.set(e.x,e.y),this._updateScale(),this._calcProjectionMatrix(),this.entity._dirtyLocal||this.entity._dirtifyLocal(),this.fire("set:resolution",this._resolution),this._elements.forEach(t=>t._onScreenResize(this._resolution))}get resolution(){return this._resolution}set referenceResolution(e){this._referenceResolution.set(e.x,e.y),this._updateScale(),this._calcProjectionMatrix(),this.entity._dirtyLocal||this.entity._dirtifyLocal(),this.fire("set:referenceresolution",this._resolution),this._elements.forEach(t=>t._onScreenResize(this._resolution))}get referenceResolution(){return this._scaleMode===Jn?this._resolution:this._referenceResolution}set screenSpace(e){this._screenSpace=e,this._screenSpace&&this._resolution.set(this.system.app.graphicsDevice.width,this.system.app.graphicsDevice.height),this.resolution=this._resolution,this.entity._dirtyLocal||this.entity._dirtifyLocal(),this.fire("set:screenspace",this._screenSpace),this._elements.forEach(t=>t._onScreenSpaceChange())}get screenSpace(){return this._screenSpace}set scaleMode(e){e!==Jn&&e!==_z&&(e=Jn),!this._screenSpace&&e!==Jn&&(e=Jn),this._scaleMode=e,this.resolution=this._resolution,this.fire("set:scalemode",this._scaleMode)}get scaleMode(){return this._scaleMode}set scaleBlend(e){this._scaleBlend=e,this._updateScale(),this._calcProjectionMatrix(),this.entity._dirtyLocal||this.entity._dirtifyLocal(),this.fire("set:scaleblend",this._scaleBlend),this._elements.forEach(t=>t._onScreenResize(this._resolution))}get scaleBlend(){return this._scaleBlend}set priority(e){e=H.clamp(e,0,127),this._priority!==e&&(this._priority=e,this.syncDrawOrder())}get priority(){return this._priority}}class gz{enabled=!0}const E_=["enabled"];class vz extends Tt{constructor(e){super(e),this.id="screen",this.ComponentType=eC,this.DataType=gz,this.schema=E_,this.windowResolution=new j,this._drawOrderSyncQueue=new mE,this.app.graphicsDevice.on("resizecanvas",this._onResize,this),this.app.systems.on("update",this._onUpdate,this),this.on("beforeremove",this.onRemoveComponent,this)}initializeComponentData(e,t,s){t.priority!==void 0&&(e.priority=t.priority),t.screenSpace!==void 0&&(e.screenSpace=t.screenSpace),e.cull=e.screenSpace,t.scaleMode!==void 0&&(e.scaleMode=t.scaleMode),t.scaleBlend!==void 0&&(e.scaleBlend=t.scaleBlend),t.resolution!==void 0&&(t.resolution instanceof j?e._resolution.copy(t.resolution):e._resolution.set(t.resolution[0],t.resolution[1]),e.resolution=e._resolution),t.referenceResolution!==void 0&&(t.referenceResolution instanceof j?e._referenceResolution.copy(t.referenceResolution):e._referenceResolution.set(t.referenceResolution[0],t.referenceResolution[1]),e.referenceResolution=e._referenceResolution),this._updateDescendantElements(e.entity,e.entity),e.syncDrawOrder(),super.initializeComponentData(e,t,E_)}_updateDescendantElements(e,t){const s=e.children;for(let i=0;i<s.length;i++){const r=s[i];r.element&&!r.element.screen&&r.element._updateScreen(t),r.screen||this._updateDescendantElements(r,t)}}destroy(){super.destroy(),this.app.graphicsDevice.off("resizecanvas",this._onResize,this),this.app.systems.off("update",this._onUpdate,this)}_onUpdate(e){const t=this.store;for(const s in t)t[s].entity.screen.update&&t[s].entity.screen.update(e)}_onResize(e,t){this.windowResolution.x=e,this.windowResolution.y=t}cloneComponent(e,t){const s=e.screen;return this.addComponent(t,{enabled:s.enabled,screenSpace:s.screenSpace,scaleMode:s.scaleMode,scaleBlend:s.scaleBlend,priority:s.priority,resolution:s.resolution.clone(),referenceResolution:s.referenceResolution.clone()})}onRemoveComponent(e,t){t.onRemove()}processDrawOrderSyncQueue(){const e=this._drawOrderSyncQueue.list();for(let t=0;t<e.length;t++){const s=e[t];s.callback.call(s.scope)}this._drawOrderSyncQueue.clear()}queueDrawOrderSync(e,t,s){this._drawOrderSyncQueue.list().length||this.app.once("prerender",this.processDrawOrderSyncQueue,this),this._drawOrderSyncQueue.has(e)||this._drawOrderSyncQueue.push(e,{callback:t,scope:s})}}ye._buildAccessors(eC.prototype,E_);const Hr=new j,a0=new E,Oa=new km,n0=new Lx,o0=new E,bl=new E,Sz=new ae,yz={x:"y",y:"x"};class tC extends ge{static EVENT_DRAGSTART="drag:start";static EVENT_DRAGEND="drag:end";static EVENT_DRAGMOVE="drag:move";

13428constructor(e,t){if(super(),!e||!(e instanceof Hw))throw new Error("Element was null or not an ElementComponent");if(t&&t!=="x"&&t!=="y")throw new Error(`Unrecognized axis: ${t}`);this._element=e,this._app=e.system.app,this._axis=t||null,this._enabled=!0,this._dragScale=new E,this._dragStartMousePosition=new E,this._dragStartHandlePosition=new E,this._deltaMousePosition=new E,this._deltaHandlePosition=new E,this._isDragging=!1,this._toggleLifecycleListeners("on")}_toggleLifecycleListeners(e){this._element[e]("mousedown",this._onMouseDownOrTouchStart,this),this._element[e]("touchstart",this._onMouseDownOrTouchStart,this),this._element[e]("selectstart",this._onMouseDownOrTouchStart,this)}_toggleDragListeners(e){const t=e==="on";this._hasDragListeners&&t||(this._app.mouse&&(this._element[e]("mousemove",this._onMove,this),this._element[e]("mouseup",this._onMouseUpOrTouchEnd,this)),Ce.touch&&(this._element[e]("touchmove",this._onMove,this),this._element[e]("touchend",this._onMouseUpOrTouchEnd,this),this._element[e]("touchcancel",this._onMouseUpOrTouchEnd,this)),this._element[e]("selectmove",this._onMove,this),this._element[e]("selectend",this._onMouseUpOrTouchEnd,this),this._hasDragListeners=t)}_onMouseDownOrTouchStart(e){if(this._element&&!this._isDragging&&this.enabled){this._dragCamera=e.camera,this._calculateDragScale();const t=this._screenToLocal(e);t&&(this._toggleDragListeners("on"),this._isDragging=!0,this._dragStartMousePosition.copy(t),this._dragStartHandlePosition.copy(this._element.entity.getLocalPosition()),this.fire("drag:start"))}}_onMouseUpOrTouchEnd(){this._isDragging&&(this._isDragging=!1,this._toggleDragListeners("off"),this.fire("drag:end"))}_screenToLocal(e){return e.inputSource?Oa.set(e.inputSource.getOrigin(),e.inputSource.getDirection()):(this._determineInputPosition(e),this._chooseRayOriginAndDirection()),o0.copy(this._element.entity.forward).mulScalar(-1),n0.setFromPointNormal(this._element.entity.getPosition(),o0),n0.intersectsRay(Oa,bl)?(Sz.copy(this._element.entity.getRotation()).invert().transformVector(bl,bl),bl.mul(this._dragScale),bl):null}_determineInputPosition(e){const t=this._app.graphicsDevice.maxPixelRatio;typeof e.x<"u"&&typeof e.y<"u"?(Hr.x=e.x*t,Hr.y=e.y*t):e.changedTouches?(Hr.x=e.changedTouches[0].x*t,Hr.y=e.changedTouches[0].y*t):console.warn("Could not determine position from input event")}_chooseRayOriginAndDirection(){this._element.screen&&this._element.screen.screen.screenSpace?(Oa.origin.set(Hr.x,-Hr.y,0),Oa.direction.copy(E.FORWARD)):(a0.copy(this._dragCamera.screenToWorld(Hr.x,Hr.y,1)),Oa.origin.copy(this._dragCamera.entity.getPosition()),Oa.direction.copy(a0).sub(Oa.origin).normalize())}_calculateDragScale(){let e=this._element.entity.parent;const t=this._element.screen&&this._element.screen.screen,s=t&&t.screenSpace,i=s?t.scale:1,r=this._dragScale;for(r.set(i,i,i);e&&(r.mul(e.getLocalScale()),e=e.parent,!(s&&e.screen)););r.x=1/r.x,r.y=1/r.y,r.z=0}_onMove(e){const{_element:t,_deltaMousePosition:s,_deltaHandlePosition:i,_axis:r}=this;if(t&&this._isDragging&&this.enabled&&t.enabled&&t.entity.enabled){const a=this._screenToLocal(e);if(a){if(s.sub2(a,this._dragStartMousePosition),i.add2(this._dragStartHandlePosition,s),r){const n=t.entity.getLocalPosition(),o=yz[r];i[o]=n[o]}t.entity.setLocalPosition(i),this.fire("drag:move",i)}}}destroy(){this._toggleLifecycleListeners("off"),this._toggleDragListeners("off")}set enabled(e){this._enabled=e}get enabled(){return this._enabled}get isDragging(){return this._isDragging}}const xz=0,l0=1,Tz=2,wz=0,Cz=1,Al=new j;class sC extends ye{static EVENT_SETSCROLL="set:scroll";_horizontal;_vertical;_scrollMode;_bounceAmount;_friction;_dragThreshold=10;_useMouseWheel=!0;_mouseWheelSensitivity=new j(1,1);_horizontalScrollbarVisibility=0;_verticalScrollbarVisibility=0;_viewportEntity=null;_contentEntity=null;_horizontalScrollbarEntity=null;_verticalScrollbarEntity=null;_evtElementAdd=null;_evtElementRemove=null;_evtViewportEntityElementAdd=null;_evtViewportElementRemove=null;_evtViewportResize=null;_evtContentEntityElementAdd=null;_evtContentElementRemove=null;_evtContentResize=null;_evtHorizontalScrollbarAdd=null;_evtHorizontalScrollbarRemove=null;_evtHorizontalScrollbarValue=null;_evtVerticalScrollbarAdd=null;_evtVerticalScrollbarRemove=null;_evtVerticalScrollbarValue=null;constructor(e,t){super(e,t),this._scrollbarUpdateFlags={},this._scrollbarEntities={},this._prevContentSizes={},this._prevContentSizes[Me]=null,this._prevContentSizes[rt]=null,this._scroll=ne

13428w j,this._velocity=new E,this._dragStartPosition=new E,this._disabledContentInput=!1,this._disabledContentInputEntities=[],this._evtElementAdd=this.entity.on("element:add",this._onElementComponentAdd,this),this._toggleElementListeners("on")}set horizontal(e){this._horizontal!==e&&(this._horizontal=e,this._syncScrollbarEnabledState(Me))}get horizontal(){return this._horizontal}set vertical(e){this._vertical!==e&&(this._vertical=e,this._syncScrollbarEnabledState(rt))}get vertical(){return this._vertical}set scrollMode(e){this._scrollMode=e}get scrollMode(){return this._scrollMode}set bounceAmount(e){this._bounceAmount=e}get bounceAmount(){return this._bounceAmount}set friction(e){this._friction=e}get friction(){return this._friction}set dragThreshold(e){this._dragThreshold=e}get dragThreshold(){return this._dragThreshold}set useMouseWheel(e){this._useMouseWheel=e}get useMouseWheel(){return this._useMouseWheel}set mouseWheelSensitivity(e){e?e instanceof j?this._mouseWheelSensitivity=e.clone():this._mouseWheelSensitivity=new j(e[0],e[1]):this._mouseWheelSensitivity=e}get mouseWheelSensitivity(){return this._mouseWheelSensitivity}set horizontalScrollbarVisibility(e){this._horizontalScrollbarVisibility=e}get horizontalScrollbarVisibility(){return this._horizontalScrollbarVisibility}set verticalScrollbarVisibility(e){this._verticalScrollbarVisibility=e}get verticalScrollbarVisibility(){return this._verticalScrollbarVisibility}set viewportEntity(e){if(this._viewportEntity===e)return;const t=typeof e=="string";this._viewportEntity&&t&&this._viewportEntity.guid===e||(this._viewportEntity&&this._viewportEntityUnsubscribe(),e instanceof He?this._viewportEntity=e:t?this._viewportEntity=this.system.app.getEntityFromIndex(e)||null:this._viewportEntity=null,this._viewportEntity&&this._viewportEntitySubscribe())}get viewportEntity(){return this._viewportEntity}set contentEntity(e){if(this._contentEntity===e)return;const t=typeof e=="string";this._contentEntity&&t&&this._contentEntity.guid===e||(this._contentEntity&&this._contentEntityUnsubscribe(),e instanceof He?this._contentEntity=e:t?this._contentEntity=this.system.app.getEntityFromIndex(e)||null:this._contentEntity=null,this._contentEntity&&this._contentEntitySubscribe())}get contentEntity(){return this._contentEntity}set horizontalScrollbarEntity(e){if(this._horizontalScrollbarEntity===e)return;const t=typeof e=="string";this._horizontalScrollbarEntity&&t&&this._horizontalScrollbarEntity.guid===e||(this._horizontalScrollbarEntity&&this._horizontalScrollbarEntityUnsubscribe(),e instanceof He?this._horizontalScrollbarEntity=e:t?this._horizontalScrollbarEntity=this.system.app.getEntityFromIndex(e)||null:this._horizontalScrollbarEntity=null,this._scrollbarEntities[Me]=this._horizontalScrollbarEntity,this._horizontalScrollbarEntity&&this._horizontalScrollbarEntitySubscribe())}get horizontalScrollbarEntity(){return this._horizontalScrollbarEntity}set verticalScrollbarEntity(e){if(this._verticalScrollbarEntity===e)return;const t=typeof e=="string";this._verticalScrollbarEntity&&t&&this._verticalScrollbarEntity.guid===e||(this._verticalScrollbarEntity&&this._verticalScrollbarEntityUnsubscribe(),e instanceof He?this._verticalScrollbarEntity=e:t?this._verticalScrollbarEntity=this.system.app.getEntityFromIndex(e)||null:this._verticalScrollbarEntity=null,this._scrollbarEntities[rt]=this._verticalScrollbarEntity,this._verticalScrollbarEntity&&this._verticalScrollbarEntitySubscribe())}get verticalScrollbarEntity(){return this._verticalScrollbarEntity}set scroll(e){this._onSetScroll(e.x,e.y)}get scroll(){return this._scroll}_toggleElementListeners(e){if(this.entity.element){if(e==="on"&&this._hasElementListeners)return;this.entity.element[e]("resize",this._syncAll,this),this.entity.element[e]("mousewheel",this._onMouseWheel,this),this._hasElementListeners=e==="on"}}_onElementComponentAdd(e){this._evtElementRemove=this.entity.element.once("beforeremove",this._onElementComponentRemove,this),this._toggleElementListeners("on")}_onElementComponentRemove(e){this._evtElementRemove?.off(),this._evtElementRemove=null,this._toggleElementListeners("off")}

13428_viewportEntitySubscribe(){this._evtViewportEntityElementAdd=this._viewportEntity.on("element:add",this._onViewportElementGain,this),this._viewportEntity.element&&this._onViewportElementGain()}_viewportEntityUnsubscribe(){this._evtViewportEntityElementAdd?.off(),this._evtViewportEntityElementAdd=null,this._viewportEntity?.element&&this._onViewportElementLose()}_viewportEntityElementSubscribe(){const e=this._viewportEntity.element;this._evtViewportElementRemove=e.once("beforeremove",this._onViewportElementLose,this),this._evtViewportResize=e.on("resize",this._syncAll,this)}_viewportEntityElementUnsubscribe(){this._evtViewportElementRemove?.off(),this._evtViewportElementRemove=null,this._evtViewportResize?.off(),this._evtViewportResize=null}_onViewportElementGain(){this._viewportEntityElementSubscribe(),this._syncAll()}_onViewportElementLose(){this._viewportEntityElementUnsubscribe()}_contentEntitySubscribe(){this._evtContentEntityElementAdd=this._contentEntity.on("element:add",this._onContentElementGain,this),this._contentEntity.element&&this._onContentElementGain()}_contentEntityUnsubscribe(){this._evtContentEntityElementAdd?.off(),this._evtContentEntityElementAdd=null,this._contentEntity?.element&&this._onContentElementLose()}_contentEntityElementSubscribe(){const e=this._contentEntity.element;this._evtContentElementRemove=e.once("beforeremove",this._onContentElementLose,this),this._evtContentResize=e.on("resize",this._syncAll,this)}_contentEntityElementUnsubscribe(){this._evtContentElementRemove?.off(),this._evtContentElementRemove=null,this._evtContentResize?.off(),this._evtContentResize=null}_onContentElementGain(){this._contentEntityElementSubscribe(),this._destroyDragHelper(),this._contentDragHelper=new tC(this._contentEntity.element),this._contentDragHelper.on("drag:start",this._onContentDragStart,this),this._contentDragHelper.on("drag:end",this._onContentDragEnd,this),this._contentDragHelper.on("drag:move",this._onContentDragMove,this),this._prevContentSizes[Me]=null,this._prevContentSizes[rt]=null,this._syncAll()}_onContentElementLose(){this._contentEntityElementUnsubscribe(),this._destroyDragHelper()}_onContentDragStart(){this._contentEntity&&this.enabled&&this.entity.enabled&&this._dragStartPosition.copy(this._contentEntity.getLocalPosition())}_onContentDragEnd(){this._prevContentDragPosition=null,this._enableContentInput()}_onContentDragMove(e){if(this._contentEntity&&this.enabled&&this.entity.enabled&&(this._wasDragged=!0,this._setScrollFromContentPosition(e),this._setVelocityFromContentPositionDelta(e),!this._disabledContentInput)){const t=e.x-this._dragStartPosition.x,s=e.y-this._dragStartPosition.y;(Math.abs(t)>this.dragThreshold||Math.abs(s)>this.dragThreshold)&&this._disableContentInput()}}_horizontalScrollbarEntitySubscribe(){this._evtHorizontalScrollbarAdd=this._horizontalScrollbarEntity.on("scrollbar:add",this._onHorizontalScrollbarGain,this),this._horizontalScrollbarEntity.scrollbar&&this._onHorizontalScrollbarGain()}_verticalScrollbarEntitySubscribe(){this._evtVerticalScrollbarAdd=this._verticalScrollbarEntity.on("scrollbar:add",this._onVerticalScrollbarGain,this),this._verticalScrollbarEntity.scrollbar&&this._onVerticalScrollbarGain()}_horizontalScrollbarEntityUnsubscribe(){this._evtHorizontalScrollbarAdd?.off(),this._evtHorizontalScrollbarAdd=null,this._horizontalScrollbarEntity.scrollbar&&this._onHorizontalScrollbarLose()}_verticalScrollbarEntityUnsubscribe(){this._evtVerticalScrollbarAdd?.off(),this._evtVerticalScrollbarAdd=null,this._verticalScrollbarEntity.scrollbar&&this._onVerticalScrollbarLose()}_onSetHorizontalScrollbarValue(e){!this._scrollbarUpdateFlags[Me]&&this.enabled&&this.entity.enabled&&this._onSetScroll(e,null)}_onSetVerticalScrollbarValue(e){!this._scrollbarUpdateFlags[rt]&&this.enabled&&this.entity.enabled&&this._onSetScroll(null,e)}_onHorizontalScrollbarGain(){const e=this._horizontalScrollbarEntity?.scrollbar;this._evtHorizontalScrollbarRemove=e.on("beforeremove",this._onHorizontalScrollbarLose,this),this._evtHorizontalScrollbarValue=e.on("set:value",this._onSetHorizontalScrollbarValue,this),this._syncScrollbarEnabledState(Me),this._syncScrollbarPosition(Me)}_onVerticalScrollbarGain(){const e=this._verticalScrollbarEntity?.scrollbar;this._evtVerticalScrollbarRemove=e.on("beforeremove",this._onVerticalScrollbarLose,this),this._evtVerticalScrollbarValue=e.on("set:value",this._onSetVerticalScrollbarValue,this),this._syncScrollbarEnabledState(rt),this._syncScrollbarPosition(rt)}_onHorizontalScrollbarLose(){this._evtHorizontalScrollbarRemove?.off(),this._evtHorizontalScrollbarRemove=null,this._evtHorizontalScrollbarValue?.off(),this._evtHorizontalScrollbarValue=null}_onVerticalScrollbarLose(){this._evtVerticalScrollbarRemove?.off(),this._evtVerticalScrollbarRemove=null,this._evtVerticalScrollbarValue?.off(),this._evtVerticalScrollbarValue=null}_onSetScroll(e,t,s){s!==!1&&this._velocity.set(0,0,0);const i=this._updateAxis(e,"x",Me),r=this._updateAxis(t,"y",rt);(i||r)&&this.fire("set:scroll",this._scroll)}_updateAxis(e,t,s){const i=e!==null&&Math.abs(e-this._scroll[t])>1e-5;return(i||this._isDragging()||e===0)&&(this._scroll[t]=this._determineNewScrollValue(e,t,s

13428),this._syncContentPosition(s),this._syncScrollbarPosition(s)),i}_determineNewScrollValue(e,t,s){if(!this._getScrollingEnabled(s))return this._scroll[t];switch(this.scrollMode){case xz:return H.clamp(e,0,this._getMaxScrollValue(s));case l0:return this._setVelocityFromOvershoot(e,t,s),e;case Tz:return e;default:return console.warn(`Unhandled scroll mode:${this.scrollMode}`),e}}_syncAll(){this._syncContentPosition(Me),this._syncContentPosition(rt),this._syncScrollbarPosition(Me),this._syncScrollbarPosition(rt),this._syncScrollbarEnabledState(Me),this._syncScrollbarEnabledState(rt)}_syncContentPosition(e){if(!this._contentEntity)return;const t=this._getAxis(e),s=this._getSign(e),i=this._prevContentSizes[e],r=this._getContentSize(e);if(i!==null&&Math.abs(i-r)>1e-4){const o=this._getMaxOffset(e,i),c=this._getMaxOffset(e,r);c===0?this._scroll[t]=1:this._scroll[t]=H.clamp(this._scroll[t]*o/c,0,1)}const a=this._scroll[t]*this._getMaxOffset(e),n=this._contentEntity.getLocalPosition();n[t]=a*s,this._contentEntity.setLocalPosition(n),this._prevContentSizes[e]=r}_syncScrollbarPosition(e){const t=this._scrollbarEntities[e];if(!t?.scrollbar)return;const s=this._getAxis(e);this._scrollbarUpdateFlags[e]=!0,t.scrollbar.value=this._scroll[s],t.scrollbar.handleSize=this._getScrollbarHandleSize(s,e),this._scrollbarUpdateFlags[e]=!1}_syncScrollbarEnabledState(e){const t=this._scrollbarEntities[e];if(!t)return;const s=this._getScrollingEnabled(e),i=this._getScrollbarVisibility(e);switch(i){case wz:t.enabled=s;return;case Cz:t.enabled=s&&this._contentIsLargerThanViewport(e);return;default:console.warn(`Unhandled scrollbar visibility:${i}`),t.enabled=s}}_contentIsLargerThanViewport(e){return this._getContentSize(e)>this._getViewportSize(e)}_contentPositionToScrollValue(e){const t=this._getMaxOffset(Me),s=this._getMaxOffset(rt);return t===0?Al.x=0:Al.x=e.x/t,s===0?Al.y=0:Al.y=e.y/-s,Al}_getMaxOffset(e,t){t=t===void 0?this._getContentSize(e):t;const s=this._getViewportSize(e);return t<s?-this._getViewportSize(e):s-t}_getMaxScrollValue(e){return this._contentIsLargerThanViewport(e)?1:0}_getScrollbarHandleSize(e,t){const s=this._getViewportSize(t),i=this._getContentSize(t);if(Math.abs(i)<.001)return 1;const r=Math.min(s/i,1),a=this._toOvershoot(this._scroll[e],t);return a===0?r:r/(1+Math.abs(a))}_getViewportSize(e){return this._getSize(e,this._viewportEntity)}_getContentSize(e){return this._getSize(e,this._contentEntity)}_getSize(e,t){return t?.element?t.element[this._getCalculatedDimension(e)]:0}_getScrollingEnabled(e){if(e===Me)return this.horizontal;if(e===rt)return this.vertical}_getScrollbarVisibility(e){if(e===Me)return this.horizontalScrollbarVisibility;if(e===rt)return this.verticalScrollbarVisibility}_getSign(e){return e===Me?1:-1}_getAxis(e){return e===Me?"x":"y"}_getCalculatedDimension(e){return e===Me?"calculatedWidth":"calculatedHeight"}_destroyDragHelper(){this._contentDragHelper&&this._contentDragHelper.destroy()}onUpdate(){this._contentEntity&&(this._updateVelocity(),this._syncScrollbarEnabledState(Me),this._syncScrollbarEnabledState(rt))}_updateVelocity(){if(!this._isDragging()){if(this.scrollMode===l0&&(this._hasOvershoot("x",Me)&&this._setVelocityFromOvershoot(this.scroll.x,"x",Me),this._hasOvershoot("y",rt)&&this._setVelocityFromOvershoot(this.scroll.y,"y",rt)),Math.abs(this._velocity.x)>1e-4||Math.abs(this._velocity.y)>1e-4){const e=this._contentEntity.getLocalPosition();e.x+=this._velocity.x,e.y+=this._velocity.y,this._contentEntity.setLocalPosition(e),this._setScrollFromContentPosition(e)}this._velocity.x*=1-this.friction,this._velocity.y*=1-this.friction}}_hasOvershoot(e,t){return Math.abs(this._toOvershoot(this.scroll[e],t))>.001}_toOvershoot(e,t){const s=this._getMaxScrollValue(t);return e<0?e:e>s?e-s:0}_setVelocityFromOvershoot(e,t,s){const r=this._toOvershoot(e,s)*this._getMaxOffset(s)*this._getSign(s);Math.abs(r)>0&&(this._velocity[t]=-r/(this.bounceAmount*50+1))}_setVelocityFromContentPositionDelta(e){this._prevContentDragPosition?(this._velocity.sub2(e,this._prevContentDragPosition),this._prevContentDragPosition.copy(e)):(this._velocity.set(0,0,0),this._prevContentDragPosition=e.clone())}_setScrollFromContentPosition(e){let t=this._contentPositionToScrollValue(e);this._isDragging()&&(t=this._applyScrollValueTension(t)),this._onSetScroll(t.x,t.y,!1)}_applyScrollValueTension(e){let s=this._getMaxScrollValue(Me),i=this._toOvershoot(e.x,Me);return i>0?e.x=s+1*Math.log10(1+i):i<0&&(e.x=-1*Math.log10(1-i)),s=this._getMaxScrollValue(rt),i=this._toOvershoot(e.y,rt),i>0?e.y=s+1*Math.log10(1+i):i<0&&(e.y=-1*Math.log10(1-i)),e}_isDragging(){return this._contentDragHelper&&this._contentDragHelper.isDragging}_setScrollbarComponentsEnabled(e){this._horizontalScrollbarEntity?.scrollbar&&(this._horizontalScrollbarEntity.scrollbar.enabled=e),this._verticalScrollbarEntity?.scrollbar&&(this._verticalScrollbarEntity.scrollbar.enabled=e)}_setContentDraggingEnabled(e){this._contentDragHelper&&(this._contentDragHelper.enabled=e)}_onMouseWheel(e){if(!this.useMouseWheel||!this._contentEntity?.element)return;const t=e.event,s=t.deltaX/this._contentEntity.element.calculatedWidth*this.mouseWheelSensitivity.x,i=t.deltaY/this._contentEntity.element.calculatedHeight*this.mouseWheelSensitivity.y,r=H.clamp(this._scroll.x+s,0,this._getMaxScrollValue(Me)),a=H.clamp(this._scroll.y+i,0,this._getMaxScrollValue(rt));

13428this.scroll=new j(r,a)}_enableContentInput(){for(;this._disabledContentInputEntities.length;){const e=this._disabledContentInputEntities.pop();e.element&&(e.element.useInput=!0)}this._disabledContentInput=!1}_disableContentInput(){const e=t=>{t.element&&t.element.useInput&&(this._disabledContentInputEntities.push(t),t.element.useInput=!1);const s=t.children;for(let i=0,r=s.length;i<r;i++)e(s[i])};if(this._contentEntity){const t=this._contentEntity.children;for(let s=0,i=t.length;s<i;s++)e(t[s])}this._disabledContentInput=!0}onEnable(){this._setScrollbarComponentsEnabled(!0),this._setContentDraggingEnabled(!0),this._syncAll()}onDisable(){this._setScrollbarComponentsEnabled(!1),this._setContentDraggingEnabled(!1)}onRemove(){this._evtElementAdd?.off(),this._evtElementAdd=null,this._evtElementRemove?.off(),this._evtElementRemove=null,this.viewportEntity=null,this.contentEntity=null,this.horizontalScrollbarEntity=null,this.verticalScrollbarEntity=null,this._toggleElementListeners("off"),this._destroyDragHelper()}resolveDuplicatedEntityReferenceProperties(e,t){e.viewportEntity&&(this.viewportEntity=t[e.viewportEntity.guid]),e.contentEntity&&(this.contentEntity=t[e.contentEntity.guid]),e.horizontalScrollbarEntity&&(this.horizontalScrollbarEntity=t[e.horizontalScrollbarEntity.guid]),e.verticalScrollbarEntity&&(this.verticalScrollbarEntity=t[e.verticalScrollbarEntity.guid])}}class Ez{enabled=!0}const b_=["enabled"],c0=["horizontal","vertical","scrollMode","bounceAmount","friction","dragThreshold","useMouseWheel","mouseWheelSensitivity","horizontalScrollbarVisibility","verticalScrollbarVisibility","viewportEntity","contentEntity","horizontalScrollbarEntity","verticalScrollbarEntity"];class bz extends Tt{constructor(e){super(e),this.id="scrollview",this.ComponentType=sC,this.DataType=Ez,this.schema=b_,this.on("beforeremove",this._onRemoveComponent,this),this.app.systems.on("update",this.onUpdate,this)}initializeComponentData(e,t,s){for(let i=0;i<c0.length;i++){const r=c0[i];t[r]!==void 0&&(e[r]=t[r])}super.initializeComponentData(e,t,b_)}cloneComponent(e,t){const s=e.scrollview;return this.addComponent(t,{enabled:s.enabled,horizontal:s.horizontal,vertical:s.vertical,scrollMode:s.scrollMode,bounceAmount:s.bounceAmount,friction:s.friction,dragThreshold:s.dragThreshold,useMouseWheel:s.useMouseWheel,mouseWheelSensitivity:s.mouseWheelSensitivity,horizontalScrollbarVisibility:s.horizontalScrollbarVisibility,verticalScrollbarVisibility:s.verticalScrollbarVisibility,viewportEntity:s.viewportEntity,contentEntity:s.contentEntity,horizontalScrollbarEntity:s.horizontalScrollbarEntity,verticalScrollbarEntity:s.verticalScrollbarEntity})}onUpdate(e){const t=this.store;for(const s in t){const i=t[s].entity,r=i.scrollview;r.enabled&&i.enabled&&r.onUpdate()}}_onRemoveComponent(e,t){t.onRemove()}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}ye._buildAccessors(sC.prototype,b_);class iC extends ye{static EVENT_SETVALUE="set:value";_orientation=Me;_value=0;_handleSize=0;_handleEntity=null;_evtHandleEntityElementAdd=null;_evtHandleEntityChanges=[];_handleDragHelper=null;set orientation(e){this._orientation!==e&&(this._orientation=e,this._handleEntity?.element&&(this._handleEntity.element[this._getOppositeDimension()]=0,this._rebuildDragHelper(),this._updateHandlePositionAndSize()))}get orientation(){return this._orientation}set value(e){Math.abs(e-this._value)>1e-5&&(this._value=H.clamp(e,0,1),this._updateHandlePositionAndSize(),this.fire("set:value",this._value))}get value(){return this._value}set handleSize(e){Math.abs(e-this._handleSize)>1e-5&&(this._handleSize=H.clamp(e,0,1),this._updateHandlePositionAndSize())}get handleSize(){return this._handleSize}set handleEntity(e){let t;e instanceof He?t=e:typeof e=="string"?t=this.system.app.getEntityFromIndex(e)??null:t=null,this._handleEntity!==t&&(this._handleEntity&&this._handleEntityUnsubscribe(),this._handleEntity=t,t&&this._handleEntitySubscribe())}get handleEntity(){return this._handleEntity}_handleEntitySubscribe(){this._evtHandleEntityElementAdd=this._handleEntity.on("element:add",this._onHandleElementGain,this),this._handleEntity.element&&this._onHandleElementGain()}_handleEntityUnsubscribe(){this._evtHandleEntityElementAdd?.off(),this._evtHandleEntityElementAdd=null,this._handleEntity?.element&&this._onHandleElementLose()}_handleEntityElementSubscribe(){const e=this._handleEntity.element,t=this._evtHandleEntityChanges;t.push(e.once("beforeremove",this._onHandleElementLose,this)),t.push(e.on("set:anchor",this._updateHandlePositionAndSize,this)),t.push(e.on("set:margin",this._updateHandlePositionAndSize,this)),t.push(e.on("set:pivot",this._updateHandlePositionAndSize,this))}_handleEntityElementUnsubscribe(){for(let e=0;e<this._evtHandleEntityChanges.length;e++)this._evtHandleEntityChanges[e].off();this._evtHandleEntityChanges.length=0}_onHandleElementGain(){this._handleEntityElementSubscribe(),this._rebuildDragHelper(),this._updateHandlePositionAndSize()}_rebuildDragHelper(){this._destroyDragHelper(),this._handleDragHelper=new tC(this._handleEntity.element,this._getAxis()),this._handleDragHelper.enabled=this.enabled&&this.entity.enabled,this._handleDragHelper.on("drag:move",this._onHandleDrag,this)}_onHandleElementLose(){this._handleEntityElementUnsubscribe(),this._destroyDragHelper()}_onHandleDrag(e){this._handleEntity&&this.enabled&&this.entity.enabled&&(this.value=this._handlePositionToScrollValue(e[this._getAxis()]))}_updateHandlePositionAndSize(){const e=this._handleEntity;if(!e)return;const t=e.getLocalPosition();t[this._getAxis()]=this._getHandlePosition(),e.setLocalPosition(t),e.element&&(e.element[this._getDimension()]=this._getHandleLength())}_handlePositionToScrollValue(e){return e*this._getSign()/this._getUsableTrackLength()}

13428_scrollValueToHandlePosition(e){return e*this._getSign()*this._getUsableTrackLength()}_getUsableTrackLength(){return Math.max(this._getTrackLength()-this._getHandleLength(),.001)}_getTrackLength(){return this.entity.element?this._orientation===Me?this.entity.element.calculatedWidth:this.entity.element.calculatedHeight:0}_getHandleLength(){return this._getTrackLength()*this._handleSize}_getHandlePosition(){return this._scrollValueToHandlePosition(this._value)}_getSign(){return this._orientation===Me?1:-1}_getAxis(){return this._orientation===Me?"x":"y"}_getDimension(){return this._orientation===Me?"width":"height"}_getOppositeDimension(){return this._orientation===Me?"height":"width"}_destroyDragHelper(){this._handleDragHelper?.destroy(),this._handleDragHelper=null}onEnable(){this._handleDragHelper&&(this._handleDragHelper.enabled=!0)}onDisable(){this._handleDragHelper&&(this._handleDragHelper.enabled=!1)}onRemove(){this._destroyDragHelper()}resolveDuplicatedEntityReferenceProperties(e,t){e.handleEntity&&(this.handleEntity=t[e.handleEntity.guid])}}class Az{enabled=!0}const A_=["enabled"],h0=["orientation","value","handleSize","handleEntity"];class Pz extends Tt{constructor(e){super(e),this.id="scrollbar",this.ComponentType=iC,this.DataType=Az,this.schema=A_,this.on("add",this._onAddComponent,this),this.on("beforeremove",this._onRemoveComponent,this)}initializeComponentData(e,t,s){for(let i=0;i<h0.length;i++){const r=h0[i];t.hasOwnProperty(r)&&(e[r]=t[r])}super.initializeComponentData(e,t,A_)}cloneComponent(e,t){const s=e.scrollbar;return this.addComponent(t,{enabled:s.enabled,orientation:s.orientation,value:s.value,handleSize:s.handleSize,handleEntity:s.handleEntity})}_onAddComponent(e){e.fire("scrollbar:add")}_onRemoveComponent(e,t){t.onRemove()}}ye._buildAccessors(iC.prototype,A_);const Iz={volume:0,pitch:0,loop:!1,startTime:0,duration:0,position:new E,maxDistance:0,refDistance:0,rollOffFactor:0,distanceModel:0,onPlay:null,onPause:null,onResume:null,onStop:null,onEnd:null};class em extends ge{static EVENT_PLAY="play";static EVENT_PAUSE="pause";static EVENT_RESUME="resume";static EVENT_STOP="stop";static EVENT_END="end";static EVENT_LOAD="load";name;instances=[];constructor(e,t="Untitled",s={}){super(),this._component=e,this._assets=e.system.app.assets,this._manager=e.system.manager,this.name=t,this._volume=s.volume!==void 0?H.clamp(Number(s.volume)||0,0,1):1,this._pitch=s.pitch!==void 0?Math.max(.01,Number(s.pitch)||0):1,this._loop=!!(s.loop!==void 0&&s.loop),this._duration=s.duration>0?s.duration:null,this._startTime=Math.max(0,Number(s.startTime)||0),this._overlap=!!s.overlap,this._autoPlay=!!s.autoPlay,this._firstNode=null,this._lastNode=null,this._asset=s.asset,this._asset instanceof pe&&(this._asset=this._asset.id),this._onInstancePlayHandler=this._onInstancePlay.bind(this),this._onInstancePauseHandler=this._onInstancePause.bind(this),this._onInstanceResumeHandler=this._onInstanceResume.bind(this),this._onInstanceStopHandler=this._onInstanceStop.bind(this),this._onInstanceEndHandler=this._onInstanceEnd.bind(this)}play(){if(this.overlap||this.stop(),!this.isLoaded&&!this._hasAsset())return;const e=this._createInstance();if(this.instances.push(e),this.isLoaded)e.play();else{const t=function(s){const i=e._playWhenLoaded;e.sound=s,i&&e.play()};this.off("load",t),this.once("load",t),this.load()}return e}pause(){let e=!1;const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].pause()&&(e=!0);return e}resume(){let e=!1;const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].resume()&&(e=!0);return e}stop(){let e=!1;const t=this.instances;let s=t.length;for(;s--;)t[s].stop(),e=!0;return t.length=0,e}load(){if(!this._hasAsset())return;const e=this._assets.get(this._asset);if(!e){this._assets.off(`add:${this._asset}`,this._onAssetAdd,this),this._assets.once(`add:${this._asset}`,this._onAssetAdd,this);return}if(e.off("remove",this._onAssetRemoved,this),e.on("remove",this._onAssetRemoved,this),!e.resource){e.off("load",this._onAssetLoad,this),e.once("load",this._onAssetLoad,this),this._assets.load(e);return}this.fire("load",e.resource)}setExternalNodes(e,t){if(!e){console.error("The firstNode must have a valid AudioNode");return}if(t||(t=e),this._firstNode=e,this._lastNode=t,!this._overlap){const s=this.instances;for(let i=0,r=s.length;i<r;i++)s[i].setExternalNodes(e,t)}}clearExternalNodes(){if(this._firstNode=null,this._lastNode=null,!this._overlap){const e=this.instances;for(let t=0,s=e.length;t<s;t++)e[t].clearExternalNodes()}}getExternalNodes(){return[this._firstNode,this._lastNode]}_hasAsset(){return this._asset!=null}_createInstance(){let e=null;const t=this._component;let s=null;if(this._hasAsset()){const r=this._assets.get(this._asset);r&&(s=r.resource)}const i=Iz;return i.volume=this._volume*t.volume,i.pitch=this._pitch*t.pitch,i.loop=this._loop,i.startTime=this._startTime,i.duration=this._duration,i.onPlay=this._onInstancePlayHandler,i.onPause=this._onInstancePauseHandler,i.onResume=this._onInstanceResumeHandler,i.onStop=this._onInstanceStopHandler,i.onEnd=this._onInstanceEndHandler,t.positional?(i.position.copy(t.entity.getPosition()),i.maxDistance=t.maxDistance,i.refDistance=t.refDistance,i.rollOffFactor=t.rollOffFactor,i.distanceModel=t.distanceModel,e=new cI(this._manager,s,i)):e=new dT(this._manager,s,i),this._firstNode&&e.setExternalNodes(this._firstNode,this._lastNode),e}_onInstancePlay(e){this.fire("play",e),this._component.fire("play",this,e)}_onInstancePause(e){this.fire("pause",e),this._component.fire("pause",this,e)}_onInstanceResume(e){this.fire("resume",e),this._component.fire("resume",this,e)}_onInstanceStop(e){const t=this.instances.indexOf(e);t!==-1&&this.instances.splice(t,1),this.fire("stop",e),this._component.fire("stop",this,e)}_onInstanceEnd(e){const t=this.instances.indexOf(e);t!==-1&&this.instances.splice(t,1),this.fire("end",e),this._component.fire("end",this,e)}_onAssetAdd(e){this.load()}_onAssetLoad(e){this.load()}_onAssetRemoved(e){e.off("remove",this._onAssetRemoved,this),this._assets.off(`add:${e.id}`,this._onAssetAdd,this),this.stop()}updatePosition(e){const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].position=e}set asset(e){const t=this._asset;if(t){this._assets.off(`add:${t}`,this._onAssetAdd,this);const s=this._assets.get(t);s&&s.off("remove",this._onAssetRemoved,this)}this._asset=e,this._asset instanceof pe&&(this._asset=this._asset.id),this._hasAsset()&&this._component.enabled&&this._component.entity.enabled&&this.load()}get asset(){return this._asset}set autoPlay(e){this._autoPlay=!!e}get autoPlay(){return this._autoPlay}set duration(e){if(this._duration=Math.max(0,Number(e)||0)||null,!this._overlap){const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].duration=this._duration}}get duration(){let e=0;if(this._hasAsset()){const t=this._assets.get(this._asset);e=t?.resource?t.resource.duration:0}

13428return this._duration!=null?this._duration%(e||1):e}get isLoaded(){if(this._hasAsset()){const e=this._assets.get(this._asset);if(e)return!!e.resource}return!1}get isPaused(){const e=this.instances,t=e.length;if(t===0)return!1;for(let s=0;s<t;s++)if(!e[s].isPaused)return!1;return!0}get isPlaying(){const e=this.instances;for(let t=0,s=e.length;t<s;t++)if(e[t].isPlaying)return!0;return!1}get isStopped(){const e=this.instances;for(let t=0,s=e.length;t<s;t++)if(!e[t].isStopped)return!1;return!0}set loop(e){this._loop=!!e;const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].loop=this._loop}get loop(){return this._loop}set overlap(e){this._overlap=!!e}get overlap(){return this._overlap}set pitch(e){if(this._pitch=Math.max(Number(e)||0,.01),!this._overlap){const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].pitch=this.pitch*this._component.pitch}}get pitch(){return this._pitch}set startTime(e){if(this._startTime=Math.max(0,Number(e)||0),!this._overlap){const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].startTime=this._startTime}}get startTime(){return this._startTime}set volume(e){if(this._volume=H.clamp(Number(e)||0,0,1),!this._overlap){const t=this.instances;for(let s=0,i=t.length;s<i;s++)t[s].volume=this._volume*this._component.volume}}get volume(){return this._volume}}class rC extends ye{static EVENT_PLAY="play";static EVENT_PAUSE="pause";static EVENT_RESUME="resume";static EVENT_STOP="stop";static EVENT_END="end";_volume=1;_pitch=1;_positional=!0;_refDistance=1;_maxDistance=1e4;_rollOffFactor=1;_distanceModel=jm;_slots={};_playingBeforeDisable={};_updateSoundInstances(e,t,s){const i=this._slots;for(const r in i){const a=i[r];if(!a.overlap){const n=a.instances;for(let o=0,c=n.length;o<c;o++)n[o][e]=s?a[e]*t:t}}}set distanceModel(e){this._distanceModel=e,this._updateSoundInstances("distanceModel",e,!1)}get distanceModel(){return this._distanceModel}set maxDistance(e){this._maxDistance=e,this._updateSoundInstances("maxDistance",e,!1)}get maxDistance(){return this._maxDistance}set refDistance(e){this._refDistance=e,this._updateSoundInstances("refDistance",e,!1)}get refDistance(){return this._refDistance}set rollOffFactor(e){this._rollOffFactor=e,this._updateSoundInstances("rollOffFactor",e,!1)}get rollOffFactor(){return this._rollOffFactor}set pitch(e){this._pitch=e,this._updateSoundInstances("pitch",e,!0)}get pitch(){return this._pitch}set volume(e){this._volume=e,this._updateSoundInstances("volume",e,!0)}get volume(){return this._volume}set positional(e){this._positional=e;const t=this._slots;for(const s in t){const i=t[s];if(!i.overlap){const r=i.instances,a=r.length;for(let n=a-1;n>=0;n--){const o=r[n].isPlaying||r[n].isSuspended,c=r[n].currentTime;o&&r[n].stop();const h=i._createInstance();o&&(h.play(),h.currentTime=c),r.push(h)}}}}get positional(){return this._positional}set slots(e){const t=this._slots;if(t)for(const i in t)t[i].stop();const s={};for(const i in e)e[i]instanceof em?s[e[i].name]=e[i]:e[i].name&&(s[e[i].name]=new em(this,e[i].name,e[i]));this._slots=s,this.enabled&&this.entity.enabled&&this.onEnable()}get slots(){return this._slots}onEnable(){if(this.system._inTools)return;const e=this._slots,t=this._playingBeforeDisable;for(const s in e){const i=e[s];i.autoPlay&&i.isStopped?i.play():t[s]?i.resume():i.isLoaded||i.load()}}onDisable(){const e=this._slots,t={};for(const s in e)e[s].overlap||e[s].isPlaying&&(e[s].pause(),t[s]=!0);this._playingBeforeDisable=t}onRemove(){this.off()}addSlot(e,t){const s=this._slots;if(s[e])return null;const i=new em(this,e,t);return s[e]=i,i.autoPlay&&this.enabled&&this.entity.enabled&&i.play(),i}removeSlot(e){const t=this._slots;t[e]&&(t[e].stop(),delete t[e])}slot(e){return this._slots[e]}_getSlotProperty(e,t){if(!this.enabled||!this.entity.enabled)return;const s=this._slots[e];if(s)return s[t]}isPlaying(e){return this._getSlotProperty(e,"isPlaying")||!1}isLoaded(e){return this._getSlotProperty(e,"isLoaded")||!1}isPaused(e){return this._getSlotProperty(e,"isPaused")||!1}isStopped(e){return this._getSlotProperty(e,"isStopped")||!1}play(e){if(!this.enabled||!this.entity.enabled)return null;const t=this._slots[e];return t?t.play():null}pause(e){const t=this._slots;if(e){const s=t[e];if(!s)return;s.pause()}else for(const s in t)t[s].pause()}resume(e){const t=this._slots;if(e){const s=t[e];if(!s)return;s.isPaused&&s.resume()}else for(const s in t)t[s].resume()}stop(e){const t=this._slots;if(e){const s=t[e];if(!s)return;s.stop()}else for(const s in t)t[s].stop()}}class Dz{enabled=!0}const aC=["enabled"];class Mz extends Tt{constructor(e){super(e),this.id="sound",this.ComponentType=rC,this.DataType=Dz,this.schema=aC,this.manager=e.soundManager,this.app.systems.on("update",this.onUpdate,this),this.on("beforeremove",this.onBeforeRemove,this)}set volume(e){this.manager.volume=e}get volume(){return this.manager.volume}get context(){return this.manager.context}initializeComponentData(e,t,s){s=["volume","pitch","positional","refDistance","maxDistance","rollOffFactor","distanceModel","slots"];for(let i=0;i<s.length;i++)t.hasOwnProperty(s[i])&&(e[s[i]]=t[s[i]]);super.initializeComponentData(e,t,["enabled"])}cloneComponent(e,t){const s=e.sound,i=s.slots,r={};for(const n in i){const o=i[n];r[n]={name:o.name,volume:o.volume,pitch:o.pitch,loop:o.loop,duration:o.duration,startTime:o.startTime,overlap:o.overlap,autoPlay:o.autoPlay,asset:o.asset}}const a={distanceModel:s.distanceModel,enabled:s.enabled,maxDistance:s.maxDistance,pitch:s.pitch,positional:s.positional,refDistance:s.refDistance,rollOffFactor:s.rollOffFactor,slots:r,volume:s.volume};return this.addComponent(t,a)}onUpdate(e){const t=this.store;for(const s in t)if(t.hasOwnProperty(s)){const r=t[s].entity;if(r.enabled){const a=r.sound;if(a.enabled&&a.positional){const n=r.getPosition(),o=a.slots;for(const c in o)o[c].updatePosition(n)}}}}onBeforeRemove(e,t){const s=t.slots;for(const i in s)s[i].overlap||s[i].stop();t.onRemove()}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this)}}ye._buildAccessors(rC.prototype,aC);const d0="simple",u0="animated";class tm extends ge{static EVENT_PLAY="play";static EVENT_PAUSE="pause";static EVENT_RESUME="resume";static EVENT_STOP="stop";static EVENT_END="end";static EVENT_LOOP="loop";_evtSetMeshes=null;_component;_frame=0;_sprite=null;_spriteAsset=null;_playing=!1;_paused=!1;_time=0;name;fps=0;loop=!1;constructor(e,t){super(),this._component=e,this.fps=t.fps||0,this.loop=t.loop||!1,this.name=t.name,this.spriteAsset=t.spriteAsset}get duration(){if(this._sprite){const e=this.fps||Number.MIN_VALUE;return this._sprite.frameKeys.length/Math.abs(e)}return 0}

13428set frame(e){this._setFrame(e);const t=this.fps||Number.MIN_VALUE;this._setTime(this._frame/t)}get frame(){return this._frame}get isPaused(){return this._paused}get isPlaying(){return this._playing}set sprite(e){if(this._sprite&&(this._evtSetMeshes?.off(),this._evtSetMeshes=null,this._sprite.off("set:pixelsPerUnit",this._onSpritePpuChanged,this),this._sprite.off("set:atlas",this._onSpriteMeshesChange,this),this._sprite.atlas&&this._sprite.atlas.off("set:texture",this._onSpriteMeshesChange,this)),this._sprite=e,this._sprite&&(this._evtSetMeshes=this._sprite.on("set:meshes",this._onSpriteMeshesChange,this),this._sprite.on("set:pixelsPerUnit",this._onSpritePpuChanged,this),this._sprite.on("set:atlas",this._onSpriteMeshesChange,this),this._sprite.atlas&&this._sprite.atlas.on("set:texture",this._onSpriteMeshesChange,this)),this._component.currentClip===this){let t;!e||!e.atlas?(t=this._component._meshInstance,t&&(t.deleteParameter("texture_emissiveMap"),t.deleteParameter("texture_opacityMap")),this._component.removeFromLayers()):(e.atlas.texture&&(t=this._component._meshInstance,t&&(t.setParameter("texture_emissiveMap",e.atlas.texture),t.setParameter("texture_opacityMap",e.atlas.texture)),this._component.enabled&&this._component.entity.enabled&&this._component.addToLayers()),this.time&&this.fps?this.time=this.time:this.frame=this.frame)}}get sprite(){return this._sprite}

13428set spriteAsset(e){const t=this._component.system.app.assets;let s=e;if(e instanceof pe&&(s=e.id),this._spriteAsset!==s){if(this._spriteAsset){const i=t.get(this._spriteAsset);i&&this._unbindSpriteAsset(i)}if(this._spriteAsset=s,this._spriteAsset){const i=t.get(this._spriteAsset);i?this._bindSpriteAsset(i):(this.sprite=null,t.on(`add:${this._spriteAsset}`,this._onSpriteAssetAdded,this))}else this.sprite=null}}get spriteAsset(){return this._spriteAsset}set time(e){this._setTime(e),this._sprite?this.frame=Math.min(this._sprite.frameKeys.length-1,Math.floor(this._time*Math.abs(this.fps))):this.frame=0}get time(){return this._time}_onSpriteAssetAdded(e){this._component.system.app.assets.off(`add:${e.id}`,this._onSpriteAssetAdded,this),this._spriteAsset===e.id&&this._bindSpriteAsset(e)}_bindSpriteAsset(e){e.on("load",this._onSpriteAssetLoad,this),e.on("remove",this._onSpriteAssetRemove,this),e.resource?this._onSpriteAssetLoad(e):this._component.system.app.assets.load(e)}_unbindSpriteAsset(e){e&&(e.off("load",this._onSpriteAssetLoad,this),e.off("remove",this._onSpriteAssetRemove,this),e.resource&&!e.resource.atlas&&this._component.system.a

13428pp.assets.off(`load:${e.data.textureAtlasAsset}`,this._onTextureAtlasLoad,this))}_onSpriteAssetLoad(e){if(!e.resource)this.sprite=null;else if(e.resource.atlas)this.sprite=e.resource;else{const t=e.data.textureAtlasAsset,s=this._component.system.app.assets;s.off(`load:${t}`,this._onTextureAtlasLoad,this),s.once(`load:${t}`,this._onTextureAtlasLoad,this)}}_onTextureAtlasLoad(e){const t=this._spriteAsset;t instanceof pe?this._onSpriteAssetLoad(t):this._onSpriteAssetLoad(this._component.system.app.assets.get(t))}_onSpriteAssetRemove(e){this.sprite=null}_onSpriteMeshesChange(){this._component.currentClip===this&&this._component._showFrame(this.frame)}_onSpritePpuChanged(){this._component.currentClip===this&&this.sprite.renderMode!==Fi&&this._component._showFrame(this.frame)}_update(e){if(this.fps===0||!this._playing||this._paused||!this._sprite)return;const t=this.fps<0?-1:1,s=this._time+e*this._component.speed*t,i=this.duration,r=s>i||s<0;this._setTime(s);let a=this.frame;this._sprite?a=Math.floor(this._sprite.frameKeys.length*this._time/i):a=0,a!==this._frame&&this._setFrame(a),r&&(this.loop?(this.fire("loop"),this._component.fire("loop",this)):(this._playing=!1,this._paused=!1,this.fire("end"),this._component.fire("end",this)))}_setTime(e){this._time=e;const t=this.duration;this._time<0?this.loop?this._time=this._time%t+t:this._time=0:this._time>t&&(this.loop?this._time%=t:this._time=t)}_setFrame(e){this._sprite?this._frame=H.clamp(e,0,this._sprite.frameKeys.length-1):this._frame=e,this._component.currentClip===this&&this._component._showFrame(this._frame)}_destroy(){if(this._spriteAsset){const e=this._component.system.a

13428pp.assets;this._unbindSpriteAsset(e.get(this._spriteAsset))}this._sprite&&(this.sprite=null),this._spriteAsset&&(this.spriteAsset=null)}play(){this._playing||(this._playing=!0,this._paused=!1,this.frame=0,this.fire("play"),this._component.fire("play",this))}pause(){!this._playing||this._paused||(this._paused=!0,this.fire("pause"),this._component.fire("pause",this))}resume(){this._paused&&(this._paused=!1,this.fire("resume"),this._component.fire("resume",this))}stop(){this._playing&&(this._playing=!1,this._paused=!1,this._time=0,this.frame=0,this.fire("stop"),this._component.fire("stop",this))}}const f0="texture_emissiveMap",p0="texture_opacityMap",m0="material_emissive",_0="material_opacity",Rz="innerOffset",Lz="outerScale",Fz="atlasRect";class nC extends ye{static EVENT_PLAY="play";static EVENT_PAUSE="pause";static EVENT_RESUME="resume";static EVENT_STOP="stop";static EVENT_END="end";static EVENT_LOOP="loop";_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;_type=d0;_material=null;_color=new Q(1,1,1,1);_colorUniform=new Float32Array(3);_speed=1;_flipX=!1;_flipY=!1;_width=1;_height=1;_drawOrder=0;_layers=[Ir];_outerScale=new j(1,1);_outerScaleUniform=new Float32Array(2);_innerOffset=new ie;_innerOffsetUniform=new Float32Array(4);_atlasRect=new ie;_atlasRectUniform=new Float32Array(4);_batchGroupId=-1;_node=new He;_meshInstance=null;_updateAabbFunc=null;_inLayers=!1;_autoPlayClip=null;_clips={};_defaultClip=null;_currentClip=null;constructor(e,t){super(e,t),this._material=e.defaultMaterial,t.addChild(this._node),this._updateAabbFunc=this._updateAabb.bind(this),this._defaultClip=new tm(this,{name:this.entity.name,fps:0,loop:!1,spriteAsset:null}),this._currentClip=this._defaultClip}set type(e){this._type!==e&&(this._type=e,this._type===d0?(this.stop(),this._currentClip=this._defaultClip,this.enabled&&this.entity.enabled&&(this._currentClip.frame=this.frame,this._currentClip.sprite?this.addToLayers():this.removeFromLayers())):this._type===u0&&(this.stop(),this._autoPlayClip&&this._tryAutoPlay(),this._currentClip&&this._currentClip.isPlaying&&this.enabled&&this.entity.enabled?this.addToLayers():this.removeFromLayers()))}get type(){return this._type}set frame(e){this._currentClip.frame=e}get frame(){return this._currentClip.frame}set spriteAsset(e){this._defaultClip.spriteAsset=e}get spriteAsset(){return this._defaultClip._spriteAsset}set sprite(e){this._currentClip.sprite=e}get sprite(){return this._currentClip.sprite}set material(e){this._material=e,this._meshInstance&&(this._meshInstance.material=e)}get material(){return this._material}set color(e){this._color.r=e.r,this._color.g=e.g,this._color.b=e.b,this._meshInstance&&(this._colorUniform[0]=this._color.r,this._colorUniform[1]=this._color.g,this._colorUniform[2]=this._color.b,this._meshInstance.setParameter(m0,this._colorUniform))}get color(){return this._color}set opacity(e){this._color.a=e,this._meshInstance&&this._meshInstance.setParameter(_0,e)}get opacity(){return this._color.a}set clips(e){if(!e){for(const t in this._clips)this.removeClip(t);return}for(const t in this._clips){let s=!1;for(const i in e)if(e[i].name===t){s=!0,this._clips[t].fps=e[i].fps,this._clips[t].loop=e[i].loop,e[i].hasOwnProperty("sprite")?this._clips[t].sprite=e[i].sprite:e[i].hasOwnProperty("spriteAsset")&&(this._clips[t].spriteAsset=e[i].spriteAsset);break}s||this.removeClip(t)}for(const t in e)this._clips[e[t].name]||this.addClip(e[t]);this._autoPlayClip&&this._tryAutoPlay(),(!this._currentClip||!this._currentClip.sprite)&&this.removeFromLayers()}get clips(){return this._clips}get currentClip(){return this._currentClip}set speed(e){this._speed=e}get speed(){return this._speed}set flipX(e){this._flipX!==e&&(this._flipX=e,this._updateTransform())}get flipX(){return this._flipX}set flipY(e){this._flipY!==e&&(this._flipY=e,this._updateTransform())}get flipY(){return this._flipY}set width(e){e!==this._width&&(this._width=e,this._outerScale.x=this._width,this.sprite&&(this.sprite.renderMode===Ut||this.sprite.renderMode===kt)&&this._updateTransform())}get width(){return this._width}set height(e){e!==this._height&&(this._height=e,this._outerScale.y=this.height,this.sprite&&(this.sprite.renderMode===Ut||this.sprite.renderMode===kt)&&this._updateTransform())}get height(){return this._height}set batchGroupId(e){if(this._batchGroupId===e)return;const t=this._batchGroupId;this._batchGroupId=e,this.entity.enabled&&t>

13428=0&&this.system.app.batcher?.remove(Zt.SPRITE,t,this.entity),this.entity.enabled&&e>=0?this.system.app.batcher?.insert(Zt.SPRITE,e,this.entity):t>=0&&this._currentClip&&this._currentClip.sprite&&this.enabled&&this.entity.enabled&&this.addToLayers()}get batchGroupId(){return this._batchGroupId}set autoPlayClip(e){this._autoPlayClip=e instanceof tm?e.name:e,this._tryAutoPlay()}get autoPlayClip(){return this._autoPlayClip}set drawOrder(e){this._drawOrder=e,this._meshInstance&&(this._meshInstance.drawOrder=e)}get drawOrder(){return this._drawOrder}set layers(e){this._inLayers&&this.removeFromLayers(),this._layers=e,this._meshInstance&&this.enabled&&this.entity.enabled&&this.addToLayers()}get layers(){return this._layers}get aabb(){return this._meshInstance?this._meshInstance.aabb:null}onEnable(){const e=this.system.app,t=e.scene,s=t.layers;this._evtLayersChanged=t.on("set:layers",this._onLayersChanged,this),s&&(this._evtLayerAdded=s.on("add",this._onLayerAdded,this),this._evtLayerRemoved=s.on("remove",this._onLayerRemoved,this)),this.addToLayers(),this._autoPlayClip&&this._tryAutoPlay(),this._batchGroupId>=0&&e.batcher?.insert(Zt.SPRITE,this._batchGroupId,this.entity)}onDisable(){const e=this.system.app,s=e.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,s&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this.stop(),this.removeFromLayers(),this._batchGroupId>=0&&e.batcher?.remove(Zt.SPRITE,this._batchGroupId,this.entity)}onDestroy(){this._currentClip=null,this._defaultClip&&(this._defaultClip._destroy(),this._defaultClip=null);for(const e in this._clips)this._clips[e]._destroy();this._clips=null,this.removeFromLayers(),this._node?.remove(),this._node=null,this._meshInstance&&(this._meshInstance.material=null,this._meshInstance.mesh=null,this._meshInstance=null)}addToLayers(){if(this._inLayers||!this._meshInstance)return;const e=[this._meshInstance];for(let t=0,s=this._layers.length;t<s;t++){const i=this.system.app.scene.layers.getLayerById(this._layers[t]);i&&i.addMeshInstances(e)}this._inLayers=!0}removeFromLayers(){if(!this._inLayers||!this._meshInstance)return;const e=[this._meshInstance];for(let t=0,s=this._layers.length;t<s;t++){const i=this.system.app.scene.layers.getLayerById(this._layers[t]);i&&i.removeMeshInstances(e)}this._inLayers=!1}_showFrame(e){if(!this.sprite)return;const t=this.sprite.meshes[e];if(!t){this._meshInstance&&(this._meshInstance.mesh=null,this._meshInstance.visible=!1);return}let s;if(this.sprite.renderMode===kt?s=this.system.default9SlicedMaterialSlicedMode:this.sprite.renderMode===Ut?s=this.system.default9SlicedMaterialTiledMode:s=this.system.defaultMaterial,this._meshInstance||(this._meshInstance=new Ne(t,this._material,this._node),this._meshInstance.castShadow=!1,this._meshInstance.receiveShadow=!1,this._meshInstance.drawOrder=this._drawOrder,this._colorUniform[0]=this._color.r,this._colorUniform[1]=this._color.g,this._colorUniform[2]=this._color.b,this._meshInstance.setParameter(m0,this._colorUniform),this._meshInstance.setParameter(_0,this._color.a),this.enabled&&this.entity.enabled&&this.addToLayers()),this._meshInstance.material!==s&&(this._meshInstance.material=s),this._meshInstance.mesh!==t&&(this._meshInstance.mesh=t,this._meshInstance.visible=!0,this._meshInstance._aabbVer=-1),this.sprite.atlas&&this.sprite.atlas.texture?(this._meshInstance.setParameter(f0,this.sprite.atlas.texture),this._meshInstance.setParameter(p0,this.sprite.atlas.texture)):(this._meshInstance.deleteParameter(f0),this._meshInstance.deleteParameter(p0)),this.sprite.atlas&&(this.sprite.renderMode===kt||this.sprite.renderMode===Ut)){this._meshInstance._updateAabbFunc=this._updateAabbFunc;const i=this.sprite.atlas.frames[this.sprite.frameKeys[e]];if(i){const r=2/i.rect.z,a=2/i.rect.w;this._innerOffset.set(i.border.x*r,i.border.y*a,i.border.z*r,i.border.w*a);const n=this.sprite.atlas.texture;this._atlasRect.set(i.rect.x/n.width,i.rect.y/n.height,i.rect.z/n.width,i.rect.w/n.height)}else this._innerOffset.set(0,0,0,0);this._innerOffsetUniform[0]=this._innerOffset.x,this._innerOffsetUniform[1]=this._innerOffset.y,this._innerOffsetUniform[2]=this._innerOffset.z,this._innerOffsetUniform[3]=this._innerOffset.w,this._meshInstance.setParameter(Rz,this._innerOffsetUniform),this._atlasRectUniform[0]=this._atlasRect.x,this._atlasRectUniform[1]=this._atlasRect.y,this._atlasRectUniform[2]=this._atlasRect.z,this._atlasRectUniform[3]=this._atlasRect.w,this._meshInstance.setParameter(Fz,this._atlasRectUniform)}else this._meshInstance._updateAabbFunc=null;this._updateTransform()}_updateTransform(){let e=this.flipX?-1:1,t=this.flipY?-1:1,s=0,i=0;if(this.sprite&&(this.sprite.renderMode===kt||this.sprite.renderMode===Ut)){let r=1,a=1;if(this.sprite.atlas){const c=this.sprite.atlas.frames[this.sprite.frameKeys[this.frame]];c&&(r=c.rect.z,a=c.rect.w,s=(.5-c.pivot.x)*this._width,i=(.5-c.pivot.y)*this._height)}const n=r/this.sprite.pixelsPerUnit,o=a/this.sprite.pixelsPerUnit;this._outerScale.set(Math.max(this._width,this._innerOffset.x*n),Math.max(this._height,this._innerOffset.y*o)),e*=n,t*=o,this._outerScale.x/=n,this._outerScale.y/=o,e*=H.clamp(this._width/(this._innerOffset.x*n),1e-4,1),t*=H.clamp(this._height/(this._innerOffset.y*o),1e-4,1),this._meshInstance&&(this._outerScaleUniform[0]=this._outerScale.x,this._outerScaleUniform[1]=this._outerScale.y,this._meshInstance.setParameter(Lz,this._outerScaleUniform))}this._node.setLocalScale(e,t,1),this._node.setLocalPosition(s,i,0)}_updateAabb(e){return e.center.set(0,0,0),e.halfExtents.set(this._outerScale.x*.5,this._outerScale.y*.5,.001),e.setFromTransformedAabb(e,this._node.getWorldTransform()),e}_tryAutoPlay(){if(!this._autoPlayClip||this.type!==u0)return;const e=this._clips[this._autoPlayClip];e&&!e.isPlaying&&(!this._currentClip||!this._currentClip.isPlaying)&&this.enabled&&this.entity.enabled&&this.play(e.name)}_onLayersChanged(e,t){e.off("add",this._onLayerAdded,this),e.off("remove",this._onLayerRemoved,this),t.on("add",this._onLayerAdded,this),t.on("remove",this._onLayerRemoved,this),this.enabled&&this.entity.enabled&&this.addToLayers()}_onLayerAdded(e){this.layers.indexOf(e.id)<0||this._inLayers&&this.enabled&&this.entity.enabled&&this._meshInstance&&e.addMeshInstances([this._meshInstance])}_onLayerRemoved(e){!this._meshInstance||this.layers.indexOf(e.id)<0||e.removeMeshInstances([this._meshInstance])}addClip(e){const t=new tm(this,{name:e.name,fps:e.fps,loop:e.loop,spriteAsset:e.spriteAsset});return this._clips[e.name]=t,t.name&&t.name===this._autoPlayClip&&this._tryAutoPlay(),t}removeClip(e){delete this._clips[e]}clip(e){return this._clips[e]}play(e){const t=this._clips[e],s=this._currentClip;return s&&s!==t&&(s._playing=!1),this._currentClip=t,this._currentClip&&(this._currentClip=t,this._currentClip.play()),t}pause(){this._currentClip!==this._defaultClip&&this._currentClip.isPlaying&&this._currentClip.pause()}resume(){this._currentClip!==this._defaultClip&&this._currentClip.isPaused&&this._currentClip.resume()}stop(){this._currentClip!==this._defaultClip&&this._currentClip.stop()}}class Oz{enabled=!0}const oC=["enabled"];class Bz extends Tt{constructor(e){super(e),this.id="sprite",this.ComponentType=nC,this.DataType=Oz,this.schema=oC,this._defaultTexture=null,this._defaultMaterial=null,this._default9SlicedMaterialSlicedMode=null,this._default9SlicedMaterialTiledMode=null,this.app.systems.on("update",this.onUpdate,this),this.on("beforeremove",this.onBeforeRemove,this)}set defaultMaterial(e){this._defaultMaterial=e}get defaultMaterial(){if(!this._defaultMaterial){const e=new ce(this.app.graphicsDevice,{width:1,height:1,format:us,name:"sprite"}),t=new Uint8Array(e.lock());t[0]=t[1]=t[2]=t[3]=255,e.unlock();const s=new Es;s.diffuse.set(0,0,0),s.emissive.set(1,1,1),s.emissiveMap=e,s.opacityMap=e,s.opacityMapChannel="a",s.useLighting=!1,s.useTonemap=!1,s.useFog=!1,s.use

13428Skybox=!1,s.blendType=Ui,s.depthWrite=!1,s.pixelSnap=!1,s.cull=Yt,s.update(),this._defaultTexture=e,this._defaultMaterial=s}return this._defaultMaterial}set default9SlicedMaterialSlicedMode(e){this._default9SlicedMaterialSlicedMode=e}get default9SlicedMaterialSlicedMode(){if(!this._default9SlicedMaterialSlicedMode){const e=this.defaultMaterial.clone();e.nineSlicedMode=kt,e.update(),this._default9SlicedMaterialSlicedMode=e}return this._default9SlicedMaterialSlicedMode}set default9SlicedMaterialTiledMode(e){this._default9SlicedMaterialTiledMode=e}get default9SlicedMaterialTiledMode(){if(!this._default9SlicedMaterialTiledMode){const e=this.defaultMaterial.clone();e.nineSlicedMode=Ut,e.update(),this._default9SlicedMaterialTiledMode=e}return this._default9SlicedMaterialTiledMode}destroy(){super.destroy(),this.app.systems.off("update",this.onUpdate,this),this._defaultTexture&&(this._defaultTexture.destroy(),this._defaultTexture=null)}initializeComponentData(e,t,s){if(t.enabled!==void 0&&(e.enabled=t.enabled),e.type=t.type,t.layers&&Array.isArray(t.layers)&&(e.layers=t.layers.slice(0)),t.drawOrder!==void 0&&(e.drawOrder=t.drawOrder),t.color!==void 0&&(t.color instanceof Q?e.color.set(t.color.r,t.color.g,t.color.b,t.opacity??1):e.color.set(t.color[0],t.color[1],t.color[2],t.opacity??1),e.color=e.color),t.opacity!==void 0&&(e.opacity=t.opacity),t.flipX!==void 0&&(e.flipX=t.flipX),t.flipY!==void 0&&(e.flipY=t.flipY),t.width!==void 0&&(e.width=t.width),t.height!==void 0&&(e.height=t.height),t.spriteAsset!==void 0&&(e.spriteAsset=t.spriteAsset),t.sprite&&(e.sprite=t.sprite),t.frame!==void 0&&(e.frame=t.frame),t.clips)for(const i in t.clips)e.addClip(t.clips[i]);t.speed!==void 0&&(e.speed=t.speed),t.autoPlayClip&&(e.autoPlayClip=t.autoPlayClip),e.batchGroupId=t.batchGroupId===void 0||t.batchGroupId===null?-1:t.batchGroupId,super.initializeComponentData(e,t,s)}cloneComponent(e,t){const s=e.sprite;return this.addComponent(t,{enabled:s.enabled,type:s.type,spriteAsset:s.spriteAsset,sprite:s.sprite,width:s.width,height:s.height,frame:s.frame,color:s.color.clone(),opacity:s.opacity,flipX:s.flipX,flipY:s.flipY,speed:s.speed,clips:s.clips,autoPlayClip:s.autoPlayClip,batchGroupId:s.batchGroupId,drawOrder:s.drawOrder,layers:s.layers.slice(0)})}onUpdate(e){const t=this.store;for(const s in t)if(t.hasOwnProperty(s)){const i=t[s];if(i.data.enabled&&i.entity.enabled){const r=i.entity.sprite;r._currentClip&&r._currentClip._update(e)}}}onBeforeRemove(e,t){t.onDestroy()}}ye._buildAccessors(nC.prototype,oC);class lC extends ye{static EVENT_ENABLE="enable";static EVENT_DISABLE="disable";static EVENT_STATE="state";static EVENT_REMOVE="remove";_oldState=!0;_size=new E;constructor(e,t){super(e,t),this.on("set_enabled",this._onSetEnabled,this)}set size(e){e instanceof E?this._size.copy(e):e instanceof Array&&e.length>=3&&this.size.set(e[0],e[1],e[2])}get size(){return this._size}onEnable(){this._checkState()}onDisable(){this._checkState()}_onSetEnabled(e,t,s){this._checkState()}_checkState(){const e=this.enabled&&this.entity.enabled;e!==this._oldState&&(this._oldState=e,this.fire("enable"),this.fire("state",this.enabled))}_onBeforeRemove(){this.fire("remove")}}class Nz{enabled=!0}const cC=["enabled"];class kz extends Tt{constructor(e){super(e),this.id="zone",this.ComponentType=lC,this.DataType=Nz,this.schema=cC,this.on("beforeremove",this._onBeforeRemove,this)}initializeComponentData(e,t,s){e.enabled=t.hasOwnProperty("enabled")?!!t.enabled:!0,t.size&&(t.size instanceof E?e.size.copy(t.size):t.size instanceof Array&&t.size.length>=3&&e.size.set(t.size[0],t.size[1],t.size[2]))}cloneComponent(e,t){const s={enabled:e.zone.enabled,size:e.zone.size};return this.addComponent(t,s)}_onBeforeRemove(e,t){t._onBeforeRemove()}}ye._buildAccessors(lC.prototype,cC);class Uz{constructor(e,t){this.effect=e,this.inputTarget=t,this.outputTarget=null,this.name=e.constructor.name}}class zz{constructor(e,t){this.app=e,this.camera=t,this.destinationRenderTarget=null,this.effects=[],this.enabled=!1,this.depthTarget=null,t.on("set:rect",this.onCameraRectChanged,this)}_allocateColorBuffer(e,t){const s=this.camera.rect,i=this.destinationRenderTarget,r=this.app.graphicsDevice,a=Math.floor(s.z*(i?.width??r.width)),n=Math.floor(s.w*(i?.height??r.height));return ce.createDataTexture2D(r,t,a,n,e)}_createOffscreenTarget(e,t){const s=this.app.graphicsDevice,r=(this.destinationRenderTarget??s.backBuffer).isColorBufferSrgb(0),a=(t&&s.getRenderableHdrFormat([Ge,mt],!0))??(r?us:Re),n=`${this.camera.entity.name}-posteffect-${this.effects.length}`,o=this._allocateColorBuffer(a,n);return new St({colorBuffer:o,depth:e,stencil:e&&this.app.graphicsDevice.supportsStencil,samples:e?s.samples:1})}_resizeOffscreenTarget(e){const t=e.colorBuffer.format,s=e.colorBuffer.name;e.destroyFrameBuffers(),e.destroyTextureBuffers(),e._colorBuffer=this._allocateColorBuffer(t,s),e._colorBuffers=[e._colorBuffer],e.evaluateDimensions()}

13428_destroyOffscreenTarget(e){e.destroyTextureBuffers(),e.destroy()}addEffect(e){const t=this.effects,s=t.length===0,i=this._createOffscreenTarget(s,e.hdr),r=new Uz(e,i);t.push(r),this._sourceTarget=r.inputTarget,t.length>1&&(t[t.length-2].outputTarget=r.inputTarget),this._newPostEffect=e,e.needsDepthBuffer&&this._requestDepthMap(),this.enable(),this._newPostEffect=void 0}removeEffect(e){let t=-1;for(let s=0,i=this.effects.length;s<i;s++)if(this.effects[s].effect===e){t=s;break}t>=0&&(t>0?this.effects[t-1].outputTarget=t+1<this.effects.length?this.effects[t+1].inputTarget:null:this.effects.length>1&&(this.effects[1].inputTarget._depth||(this._destroyOffscreenTarget(this.effects[1].inputTarget),this.effects[1].inputTarget=this._createOffscreenTarget(!0,this.effects[1].hdr),this._sourceTarget=this.effects[1].inputTarget),this.camera.renderTarget=this.effects[1].inputTarget),this._destroyOffscreenTarget(this.effects[t].inputTarget),this.effects.splice(t,1)),this.enabled&&e.needsDepthBuffer&&this._releaseDepthMap(),this.effects.length===0&&this.disable()}_requestDepthMaps(){for(let e=0,t=this.effects.length;e<t;e++){const s=this.effects[e].effect;this._newPostEffect!==s&&s.needsDepthBuffer&&this._requestDepthMap()}}_releaseDepthMaps(){for(let e=0,t=this.effects.length;e<t;e++)this.effects[e].effect.needsDepthBuffer&&this._releaseDepthMap()}_requestDepthMap(){const e=this.app.scene.layers.getLayerById(ks);e&&(e.incrementCounter(),this.camera.requestSceneDepthMap(!0))}_releaseDepthMap(){const e=this.app.scene.layers.getLayerById(ks);e&&(e.decrementCounter(),this.camera.requestSceneDepthMap(!1))}destroy(){for(let e=0,t=this.effects.length;e<t;e++)this.effects[e].inputTarget.destroy();this.effects.length=0,this.disable()}enable(){!this.enabled&&this.effects.length&&(this.enabled=!0,this._requestDepthMaps(),this.app.graphicsDevice.on("resizecanvas",this._onCanvasResized,this),this.destinationRenderTarget=this.camera.renderTarget,this.camera.renderTarget=this.effects[0].inputTarget,this.camera.onPostprocessing=()=>{if(this.enabled){let e=null;const t=this.effects.length;if(t)for(let s=0;s<t;s++){const i=this.effects[s];let r=i.outputTarget;s===t-1&&(e=this.camera.rect,this.destinationRenderTarget&&(r=this.destinationRenderTarget)),i.effect.render(i.inputTarget,r,e)}}})}disable(){this.enabled&&(this.enabled=!1,this.app.graphicsDevice.off("resizecanvas",this._onCanvasResized,this),this._releaseDepthMaps(),this._destroyOffscreenTarget(this._sourceTarget),this.camera.renderTarget=this.destinationRenderTarget,this.camera.onPostprocessing=null)}_onCanvasResized(e,t){const s=this.camera.rect,i=this.destinationRenderTarget;e=i?.width??e,t=i?.height??t,this.camera.camera.aspectRatio=e*s.z/(t*s.w),this.resizeRenderTargets()}resizeRenderTargets(){const e=this.app.graphicsDevice,t=this.destinationRenderTarget,s=t?.width??e.width,i=t?.height??e.height,r=this.camera.rect,a=Math.floor(r.z*s),n=Math.floor(r.w*i),o=this.effects;for(let c=0,h=o.length;c<h;c++){const d=o[c];(d.inputTarget.width!==a||d.inputTarget.height!==n)&&this._resizeOffscreenTarget(d.inputTarget)}}onCameraRectChanged(e,t,s){this.enabled&&this.resizeRenderTargets()}}class ga extends ye{onPostprocessing=null;_renderSceneDepthMap=0;_renderSceneColorMap=0;_sceneDepthMapRequested=!1;_sceneColorMapRequested=!1;_priority=0;_disablePostEffectsLayer=Ef;_camera;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;constructor(e,t){super(e,t),this._camera=new cs(e.app.graphicsDevice),this._camera.node=t,this._postEffects=new zz(e.app,this)}setShaderPass(e){const t=zi.get(this.system.app.graphicsDevice),s=e?t.allocate(e,{isForward:!0}):null;return this._camera.shaderPassInfo=s,s.index}getShaderPass(){return this._camera.shaderPassInfo?.name}set framePasses(e){this._camera.framePasses=e||[],this.dirtyLayerCompositionCameras(),this.system.app.scene.updateShaders=!0}get framePasses(){return this._camera.framePasses}set renderPasses(e){this.framePasses=e}get renderPasses(){return this.framePasses}get shaderParams(){return this._camera.shaderParams}set gammaCorrection(e){this.camera.shaderParams.gammaCorrection=e}get gammaCorrection(){return this.camera.shaderParams.gammaCorrection}set toneMapping(e){this.camera.shaderParams.toneMapping=e}get toneMapping(){return this.camera.shaderParams.toneMapping}set fog(e){this._camera.fogParams=e}get fog(){return this._camera.fogParams}set aperture(e){this._camera.aperture=e}get aperture(){return this._camera.aperture}set aspectRatio(e){this._camera.aspectRatio=e}get aspectRatio(){return this._camera.aspectRatio}set aspectRatioMode(e){this._camera.aspectRatioMode=e}get aspectRatioMode(){return this._camera.aspectRatioMode}set calculateProjection(e){this._camera.calculateProjection=e}get calculateProjection(){return this._camera.calculateProjection}set calculateTransform(e){this._camera.calculateTransform=e}get calculateTransform(){return this._camera.calculateTransform}get camera(){return this._camera}set clearColor(e){this._camera.clearColor=e}get clearColor(){return this._camera.clearColor}set clearColorBuffer(e){this._camera.clearColorBuffer=e,this.dirtyLayerCompositionCameras()}get clearColorBuffer(){return this._camera.clearColorBuffer}set clearDepth(e){this._camera.clearDepth=e}get clearDepth(){return this._camera.clearDepth}set clearDepthBuffer(e){this._camera.clearDepthBuffer=e,this.dirtyLayerCompositionCameras()}get clearDepthBuffer(){return this._camera.clearDepthBuffer}set clearStencilBuffer(e){this._camera.clearStencilBuffer=e,this.dirtyLayerCompositionCameras()}get clearStencilBuffer(){return this._camera.clearStencilBuffer}set cullFaces(e){this._camera.cullFaces=e}get cullFaces(){return this._camera.cullFaces}set disablePostEffectsLayer(e){this._disablePostEffectsLayer=e,this.dirtyLayerCompositionCameras()}get disablePostEffectsLayer(){return this._disablePostEffectsLayer}set farClip(e){this._camera.farClip=e}get farClip(){return this._camera.farClip}set flipFaces(e){this._camera.flipFaces=e}get flipFaces(){return this._camera.flipFaces}set fov(e){this._camera.fov=e}get fov(){return this._camera.fov}

13428get frustum(){return this._camera.frustum}set frustumCulling(e){this._camera.frustumCulling=e}get frustumCulling(){return this._camera.frustumCulling}set horizontalFov(e){this._camera.horizontalFov=e}get horizontalFov(){return this._camera.horizontalFov}set layers(e){const t=this._camera.layers,s=this.system.app.scene;t.forEach(i=>{s.layers.getLayerById(i)?.removeCamera(this)}),this._camera.layers=e,this.enabled&&this.entity.enabled&&e.forEach(i=>{s.layers.getLayerById(i)?.addCamera(this)}),this.fire("set:layers")}get layers(){return this._camera.layers}get layersSet(){return this._camera.layersSet}set jitter(e){this._camera.jitter=e}get jitter(){return this._camera.jitter}set nearClip(e){this._camera.nearClip=e}get nearClip(){return this._camera.nearClip}set orthoHeight(e){this._camera.orthoHeight=e}get orthoHeight(){return this._camera.orthoHeight}get postEffects(){return this._postEffects}get postEffectsEnabled(){return this._postEffects.enabled}set priority(e){this._priority=e,this.dirtyLayerCompositionCameras()}get priority(){return this._priority}set projection(e){this._camera.projection=e}get projection(){return this._camera.projection}get projectionMatrix(){return this._camera.projectionMatrix}set rect(e){this._camera.rect=e,this.fire("set:rect",this._camera.rect)}get rect(){return this._camera.rect}set renderSceneColorMap(e){e&&!this._sceneColorMapRequested?(this.requestSceneColorMap(!0),this._sceneColorMapRequested=!0):!e&&this._sceneColorMapRequested&&(this.requestSceneColorMap(!1),this._sceneColorMapRequested=!1)}get renderSceneColorMap(){return this._renderSceneColorMap>0}set renderSceneDepthMap(e){e&&!this._sceneDepthMapRequested?(this.requestSceneDepthMap(!0),this._sceneDepthMapRequested=!0):!e&&this._sceneDepthMapRequested&&(this.requestSceneDepthMap(!1),this._sceneDepthMapRequested=!1)}get renderSceneDepthMap(){return this._renderSceneDepthMap>0}set renderTarget(e){this._camera.renderTarget=e,this.dirtyLayerCompositionCameras()}get renderTarget(){return this._camera.renderTarget}set scissorRect(e){this._camera.scissorRect=e}get scissorRect(){return this._camera.scissorRect}set sensitivity(e){this._camera.sensitivity=e}get sensitivity(){return this._camera.sensitivity}set shutter(e){this._camera.shutter=e}get shutter(){return this._camera.shutter}get viewMatrix(){return this._camera.viewMatrix}_enableDepthLayer(e){if(this.layers.find(s=>s===ks)){const s=this.system.app.scene.layers.getLayerById(ks);e?s?.incrementCounter():s?.decrementCounter()}else if(e)return!1;return!0}requestSceneColorMap(e){this._renderSceneColorMap+=e?1:-1,this._enableDepthLayer(e),this.camera._enableRenderPassColorGrab(this.system.app.graphicsDevice,this.renderSceneColorMap),this.system.app.scene.layers.markDirty()}requestSceneDepthMap(e){this._renderSceneDepthMap+=e?1:-1,this._enableDepthLayer(e),this.camera._enableRenderPassDepthGrab(this.system.app.graphicsDevice,this.system.app.renderer,this.renderSceneDepthMap),this.system.app.scene.layers.markDirty()}dirtyLayerCompositionCameras(){const e=this.system.app.scene.layers;e._dirty=!0}screenToWorld(e,t,s,i){const r=this.system.app.graphicsDevice,{width:a,height:n}=r.clientRect;return this._camera.screenToWorld(e,t,s,a,n,i)}worldToScreen(e,t){const s=this.system.app.graphicsDevice,{width:i,height:r}=s.clientRect;return this._camera.worldToScreen(e,i,r,t)}onAppPrerender(){this._camera._viewMatDirty=!0,this._camera._viewProjMatDirty=!0}addCameraToLayers(){const e=this.layers;for(let t=0;t<e.length;t++){const s=this.system.app.scene.layers.getLayerById(e[t]);s&&s.addCamera(this)}}removeCameraFromLayers(){const e=this.layers;for(let t=0;t<e.length;t++){const s=this.system.app.scene.layers.getLayerById(e[t]);s&&s.removeCamera(this)}}onLayersChanged(e,t){this.addCameraToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this.layers.indexOf(e.id)<0||e.addCamera(this)}onLayerRemoved(e){this.layers.indexOf(e.id)<0||e.removeCamera(this)}onEnable(){const e=this.system.app.scene,t=e.layers;this.system.addCamera(this),this._evtLayersChanged?.off(),this._evtLayersChanged=e.on("set:layers",this.onLayersChanged,this),t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=t.on("add",this.onLayerAdded,this),this._evtLayerRemoved?.off(),this._evtLayerRemoved=t.on("remove",this.onLayerRemoved,this)),this.enabled&&this.entity.enabled&&this.addCameraToLayers(),this.postEffe

13428cts.enable()}onDisable(){const t=this.system.app.scene.layers;this.postEffects.disable(),this.removeCameraFromLayers(),this._evtLayersChanged?.off(),this._evtLayersChanged=null,t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this.system.removeCamera(this)}onRemove(){this.onDisable(),this.off(),this.camera.destroy()}calculateAspectRatio(e){return this._camera.calculateAspectRatio(e)}frameUpdate(e){this.aspectRatioMode===hu&&(this.aspectRatio=this.calculateAspectRatio(e))}startXr(e,t,s){this.system.app.xr.start(this,e,t,s)}endXr(e){if(!this._camera.xr){e&&e(new Error("Camera is not in XR"));return}this._camera.xr.end(e)}copy(e){this.aperture=e.aperture,this.aspectRatio=e.aspectRatio,this.aspectRatioMode=e.aspectRatioMode,this.calculateProjection=e.calculateProjection,this.calculateTransform=e.calculateTransform,this.clearColor=e.clearColor,this.clearColorBuffer=e.clearColorBuffer,this.clearDepthBuffer=e.clearDepthBuffer,this.clearStencilBuffer=e.clearStencilBuffer,this.cullFaces=e.cullFaces,this.disablePostEffectsLayer=e.disablePostEffectsLayer,this.farClip=e.farClip,this.flipFaces=e.flipFaces,this.fov=e.fov,this.frustumCulling=e.frustumCulling,this.horizontalFov=e.horizontalFov,this.layers=e.layers,this.nearClip=e.nearClip,this.orthoHeight=e.orthoHeight,this.priority=e.priority,this.projection=e.projection,this.rect=e.rect,this.renderTarget=e.renderTarget,this.scissorRect=e.scissorRect,this.sensitivity=e.sensitivity,this.shutter=e.shutter}}class Vz{enabled=!0}const hC=["enabled"];class Gz extends Tt{cameras=[];constructor(e){super(e),this.id="camera",this.ComponentType=ga,this.DataType=Vz,this.schema=hC,this.on("beforeremove",this.onBeforeRemove,this),this.app.on("prerender",this.onAppPrerender,this)}initializeComponentData(e,t,s){s=["aspectRatio","aspectRatioMode","calculateProjection","calculateTransform","clearColor","clearColorBuffer","clearDepth","clearDepthBuffer","clearStencilBuffer","renderSceneColorMap","renderSceneDepthMap","cullFaces","farClip","flipFaces","fog","fov","frustumCulling","horizontalFov","layers","renderTarget","nearClip","orthoHeight","projection","priority","rect","scissorRect","aperture","shutter","sensitivity","gammaCorrection","toneMapping"];for(let i=0;i<s.length;i++){const r=s[i];if(t.hasOwnProperty(r)){const a=t[r];switch(r){case"rect":case"scissorRect":Array.isArray(a)?e[r]=new ie(a[0],a[1],a[2],a[3]):e[r]=a;break;case"clearColor":Array.isArray(a)?e[r]=new Q(a[0],a[1],a[2],a[3]):e[r]=a;break;default:e[r]=a;break}}}super.initializeComponentData(e,t,["enabled"])}cloneComponent(e,t){const s=e.camera;return this.addComponent(t,{aspectRatio:s.aspectRatio,aspectRatioMode:s.aspectRatioMode,calculateProjection:s.calculateProjection,calculateTransform:s.calculateTransform,clearColor:s.clearColor,clearColorBuffer:s.clearColorBuffer,clearDepthBuffer:s.clearDepthBuffer,clearStencilBuffer:s.clearStencilBuffer,renderSceneDepthMap:s.renderSceneDepthMap,renderSceneColorMap:s.renderSceneColorMap,cullFaces:s.cullFaces,enabled:s.enabled,farClip:s.farClip,flipFaces:s.flipFaces,fov:s.fov,frustumCulling:s.frustumCulling,horizontalFov:s.horizontalFov,layers:s.layers,renderTarget:s.renderTarget,nearClip:s.nearClip,orthoHeight:s.orthoHeight,projection:s.projection,priority:s.priority,rect:s.rect,scissorRect:s.scissorRect,aperture:s.aperture,sensitivity:s.sensitivity,shutter:s.shutter,gammaCorrection:s.gammaCorrection,toneMapping:s.toneMapping})}onBeforeRemove(e,t){this.removeCamera(t),t.onRemove()}onAppPrerender(){for(let e=0,t=this.cameras.length;e<t;e++)this.cameras[e].onAppPrerender()}addCamera(e){this.cameras.push(e),vc(this.cameras)}removeCamera(e){const t=this.cameras.indexOf(e);t>=0&&(this.cameras.splice(t,1),vc(this.cameras))}destroy(){this.app.off("prerender",this.onAppPrerender,this),super.destroy()}}ye._buildAccessors(ga.prototype,hC);const mo=["type","color","intensity","luminance","shape","affectSpecularity","castShadows","shadowDistance","shadowIntensity","shadowResolution","shadowBias","numCascades","cascadeBlend","bakeNumSamples","bakeArea","cascadeDistribution","normalOffsetBias","range","innerConeAngle","outerConeAngle","falloffMode","shadowType","vsmBlurSize","vsmBlurMode","vsmBias","cookieAsset","cookie","cookieIntensity","cookieFalloff","cookieChannel","cookieAngle","cookieScale","cookieOffset","shadowUpdateMode","mask","affectDynamic","affectLightmapped","bake","bakeDir","isStatic","layers","penumbraSize","penumbraFalloff","shadowSamples","shadowBlockerSamples"];class dC extends ye{_light;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;_cookieAsset=null;_cookieAssetId=null;_cookieAssetAdd=!1;_cookieMatrix=null;_shadowBias=.05;_cookieAngle=0;_cookieScale=null;_castShadows=!1;_affectSpecularity=!0;_affectDynamic=!0;_affectLightmapped=!1;_bake=!1;_layers=[Ir];_type="directional";constructor(e,t){super(e,t),this._light=new Sc(e.app.graphicsDevice,e.app.scene.clusteredLightingEnabled),this._light._node=t,this._light.setColor(1,1,1)}get light(){return this._light}set type(e){this._type!==e&&(this.removeLightFromLayers(),this._type=e,this._light.type=ZT[e],this.refreshPro

13428perties())}get type(){return this._type}set color(e){this._light.setColor(e)}get color(){return this._light.getColor()}set intensity(e){this._light.intensity=e}get intensity(){return this._light.intensity}set luminance(e){this._light.luminance=e}get luminance(){return this._light.luminance}set shape(e){this._light.shape=e}get shape(){return this._light.shape}set affectSpecularity(e){this._affectSpecularity=e,this._light.affectSpecularity=e}get affectSpecularity(){return this._affectSpecularity}set castShadows(e){this._castShadows=e,this._light.castShadows=e}get castShadows(){return this._castShadows}set shadowDistance(e){this._light.shadowDistance=e}get shadowDistance(){return this._light.shadowDistance}set shadowIntensity(e){this._light.shadowIntensity=e}get shadowIntensity(){return this._light.shadowIntensity}set shadowResolution(e){this._light.shadowResolution=e}get shadowResolution(){return this._light.shadowResolution}set shadowBias(e){this._shadowBias=e,this._light.shadowBias=-.01*H.clamp(e,0,1)}get shadowBias(){return this._shadowBias}set numCascades(e){this._light.numCascades=H.clamp(Math.floor(e),1,4)}get numCascades(){return this._light.numCascades}set cascadeBlend(e){this._light.cascadeBlend=H.clamp(e,0,1)}get cascadeBlend(){return this._light.cascadeBlend}set bakeNumSamples(e){this._light.bakeNumSamples=H.clamp(Math.floor(e),1,255)}get bakeNumSamples(){return this._light.bakeNumSamples}set bakeArea(e){this._light.bakeArea=H.clamp(e,0,180)}get bakeArea(){return this._light.bakeArea}set cascadeDistribution(e){this._light.cascadeDistribution=H.clamp(e,0,1)}get cascadeDistribution(){return this._light.cascadeDistribution}set normalOffsetBias(e){this._light.normalOffsetBias=H.clamp(e,0,1)}get normalOffsetBias(){return this._light.normalOffsetBias}set range(e){this._light.attenuationEnd=e}get range(){return this._light.attenuationEnd}set innerConeAngle(e){this._light.innerConeAngle=e}get innerConeAngle(){return this._light.innerConeAngle}set outerConeAngle(e){this._light.outerConeAngle=e}get outerConeAngle(){return this._light.outerConeAngle}set falloffMode(e){this._light.falloffMode=e}get falloffMode(){return this._light.falloffMode}set shadowType(e){this._light.shadowType=e}get shadowType(){return this._light.shadowType}set vsmBlurSize(e){this._light.vsmBlurSize=e}get vsmBlurSize(){return this._light.vsmBlurSize}set vsmBlurMode(e){this._light.vsmBlurMode=e}get vsmBlurMode(){return this._light.vsmBlurMode}set vsmBias(e){this._light.vsmBias=H.clamp(e,0,1)}get vsmBias(){return this._light.vsmBias}set cookieAsset(e){if(!(this._cookieAssetId&&(e instanceof pe&&e.id===this._cookieAssetId||e===this._cookieAssetId))){if(this.onCookieAssetRemove(),this._cookieAssetId=null,e instanceof pe)this._cookieAssetId=e.id,this.onCookieAssetAdd(e);else if(typeof e=="number"){this._cookieAssetId=e;const t=this.system.app.assets.get(e);t?this.onCookieAssetAdd(t):(this._cookieAssetAdd=!0,this.system.app.assets.on(`add:${this._cookieAssetId}`,this.onCookieAssetAdd,this))}}}get cookieAsset(){return this._cookieAssetId}set cookie(e){this._light.cookie=e}get cookie(){return this._light.cookie}set cookieIntensity(e){this._light.cookieIntensity=H.clamp(e,0,1)}get cookieIntensity(){return this._light.cookieIntensity}set cookieFalloff(e){this._light.cookieFalloff=e}get cookieFalloff(){return this._light.cookieFalloff}set cookieChannel(e){this._light.cookieChannel=e}get cookieChannel(){return this._light.cookieChannel}set cookieAngle(e){if(this._cookieAngle!==e)if(this._cookieAngle=e,e!==0||this._cookieScale!==null){this._cookieMatrix||(this._cookieMatrix=new ie);let t=1,s=1;this._cookieScale&&(t=this._cookieScale.x,s=this._cookieScale.y);const i=Math.cos(e*H.DEG_TO_RAD),r=Math.sin(e*H.DEG_TO_RAD);this._cookieMatrix.set(i/t,-r/t,r/s,i/s),this._light.cookieTransform=this._cookieMatrix}else this._light.cookieTransform=null}get cookieAngle(){return this._cookieAngle}set cookieScale(e){if(this._cookieScale=e,e!==null||this._cookieAngle!==0){this._cookieMatrix||(this._cookieMatrix=new ie);const t=e?e.x:1,s=e?e.y:1,i=Math.cos(this._cookieAngle*H.DEG_TO_RAD),r=Math.sin(this._cookieAngle*H.DEG_TO_RAD);this._cookieMatrix.set(i/t,-r/t,r/s,i/s),this._light.cookieTransform=this._cookieMatrix}else this._light.cookieTransform=null}get cookieScale(){return this._cookieScale}set cookieOffset(e){this._light.cookieOffset=e}get cookieOffset(){return this._light.cookieOffset}set shadowUpdateMode(e){this._light.shadowUpdateMode=e}get shadowUpdateMode(){return this._light.shadowUpdateMode}set mask(e){this._light.mask=e}get mask(){return this._light.mask}set affectDynamic(e){this._affectDynamic!==e&&(this._affectDynamic=e,e?this._light.mask|=Js:this._light.mask&=~Js,this._light.layersDirty())}get affectDynamic(){return this._affectDynamic}set affectLightmapped(e){this._affectLightmapped!==e&&(this._affectLightmapped=e,e?(this._light.mask|=ur,this._bake&&(this._light.mask&=~fr)):(this._light.mask&=~ur,this._bake&&(this._light.mask|=fr)))}get affectLightmapped(){return this._affectLightmapped}set bake(e){this._bake!==e&&(this._bake=e,e?(this._light.mask|=fr,this._affectLightmapped&&(this._light.mask&=~ur)):(this._light.mask&=~fr,this._affectLightmapped&&(this._light.mask|=ur)),this._light.layersDirty())}get bake(){return this._bake}set bakeDir(e){this._light.bakeDir=e}get bakeDir(){return this._light.bakeDir}set isStatic(e){this._light.isStatic=e}get isStatic(){return this._light.isStatic}set layers(e){const t=this._layers;for(let s=0;s<t.length;

13428s++){const i=this.system.app.scene.layers.getLayerById(t[s]);i&&(i.removeLight(this),this._light.removeLayer(i))}this._layers=e;for(let s=0;s<e.length;s++){const i=this.system.app.scene.layers.getLayerById(e[s]);i&&this.enabled&&this.entity.enabled&&(i.addLight(this),this._light.addLayer(i))}}get layers(){return this._layers}set shadowUpdateOverrides(e){this._light.shadowUpdateOverrides=e}get shadowUpdateOverrides(){return this._light.shadowUpdateOverrides}set shadowSamples(e){this._light.shadowSamples=e}get shadowSamples(){return this._light.shadowSamples}set shadowBlockerSamples(e){this._light.shadowBlockerSamples=e}get shadowBlockerSamples(){return this._light.shadowBlockerSamples}set penumbraSize(e){this._light.penumbraSize=e}get penumbraSize(){return this._light.penumbraSize}set penumbraFalloff(e){this._light.penumbraFalloff=e}get penumbraFalloff(){return this._light.penumbraFalloff}addLightToLayers(){for(let e=0;e<this._layers.length;e++){const t=this.system.app.scene.layers.getLayerById(this._layers[e]);t&&(t.addLight(this),this._light.addLayer(t))}}removeLightFromLayers(){for(let e=0;e<this._layers.length;e++){const t=this.system.app.scene.layers.getLayerById(this._layers[e]);t&&(t.removeLight(this),this._light.removeLayer(t))}}onLayersChanged(e,t){this.enabled&&this.entity.enabled&&this.addLightToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this._layers.indexOf(e.id)>=0&&this.enabled&&this.entity.enabled&&(e.addLight(this),this._light.addLayer(e))}onLayerRemoved(e){this._layers.indexOf(e.id)>=0&&(e.removeLight(this),this._light.removeLayer(e))}refreshProperties(){for(let e=0;e<mo.length;e++){const t=mo[e];this[t]=this[t]}this.enabled&&this.entity.enabled&&this.onEnable()}onCookieAssetSet(){let e=!1;this._cookieAsset.type==="cubemap"&&!this._cookieAsset.loadFaces&&(this._cookieAsset.loadFaces=!0,e=!0),(!this._cookieAsset.resource||e)&&this.system.app.assets.load(this._cookieAsset),this._cookieAsset.resource&&this.onCookieAssetLoad()}onCookieAssetAdd(e){this._cookieAssetId===e.id&&(this._cookieAsset=e,this._light.enabled&&this.onCookieAssetSet(),this._cookieAsset.on("load",this.onCookieAssetLoad,this),this._cookieAsset.on("remove",this.onCookieAssetRemove,this))}onCookieAssetLoad(){!this._cookieAsset||!this._cookieAsset.resource||(this.cookie=this._cookieAsset.resource)}onCookieAssetRemove(){this._cookieAssetId&&(this._cookieAssetAdd&&(this.system.app.assets.off(`add:${this._cookieAssetId}`,this.onCookieAssetAdd,this),this._cookieAssetAdd=!1),this._cookieAsset&&(this._cookieAsset.off("load",this.onCookieAssetLoad,this),this._cookieAsset.off("remove",this.onCookieAssetRemove,this),this._cookieAsset=null),this.cookie=null)}onEnable(){const e=this.system.app.scene,t=e.layers;this._light.enabled=!0,this._evtLayersChanged?.off(),this._evtLayersChanged=e.on("set:layers",this.onLayersChanged,this),t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=t.on("add",this.onLayerAdded,this),this._evtLayerRemoved?.off(),this._evtLayerRemoved=t.on("remove",this.onLayerRemoved,this)),this.enabled&&this.entity.enabled&&this.addLightToLayers(),this._cookieAsset&&!this.cookie&&this.onCookieAssetSet()}onDisable(){const t=this.system.app.scene.layers;this._light.enabled=!1,this._evtLayersChanged?.off(),this._evtLayersChanged=null,t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this.removeLightFromLayers()}onRemove(){this.onDisable(),this._light.destroy(),this.cookieAsset=null}}class Hz{enabled=!0}const uC=["enabled"];class Wz extends Tt{constructor(e){super(e),this.id="light",this.ComponentType=dC,this.DataType=Hz,this.schema=uC,this.on("beforeremove",this._onRemoveComponent,this)}initializeComponentData(e,t){const s={...t};s.layers&&Array.isArray(s.layers)&&(s.layers=s.layers.slice(0)),s.color&&Array.isArray(s.color)&&(s.color=new Q(s.color[0],s.color[1],s.color[2])),s.cookieOffset&&s.cookieOffset instanceof Array&&(s.cookieOffset=new j(s.cookieOffset[0],s.cookieOffset[1])),s.cookieScale&&s.cookieScale instanceof Array&&(s.cookieScale=new j(s.cookieScale[0],s.cookieScale[1])),s.hasOwnProperty("enable")&&(console.warn("WARNING: enable: Property is deprecated. Set enabled property instead."),s.enabled=s.enable);for(let i=0;i<mo.length;i++){const r=mo[i];s.hasOwnProperty(r)&&(e[r]=s[r])}super.initializeComponentData(e,s,["enabled"])}_onRemoveComponent(e,t){t.onRemove()}cloneComponent(e,t){const s=e.light,i={enabled:s.enabled};for(let r=0;r<mo.length;r++){const a=mo[r],n=s[a];n&&n.clone?i[a]=n.clone():i[a]=n}return this.addComponent(t,i)}}ye._buildAccessors(dC.prototype,uC);const Xz=["x","y","z","w"],Yz=[void 0,void 0,j,E,ie];function Go(l,e,t,s){switch(e.type){case"boolean":return!!t;case"number":if(typeof t=="number")return t;if(typeof t=="string"){const i=parseInt(t,10);return isNaN(i)?null:i}else if(typeof t=="boolean")return 0+t;return null;case"json":{const i={};

13428if(Array.isArray(e.schema)){(!t||typeof t!="object")&&(t={});for(let r=0;r<e.schema.length;r++){const a=e.schema[r];if(a.name)if(a.array){i[a.name]=[];const n=Array.isArray(t[a.name])?t[a.name]:[];for(let o=0;o<n.length;o++)i[a.name].push(Go(l,a,n[o]))}else{const n=t.hasOwnProperty(a.name)?t[a.name]:a.default;i[a.name]=Go(l,a,n)}}}return i}case"asset":return t instanceof pe?t:typeof t=="number"?l.assets.get(t)||null:typeof t=="string"&&l.assets.get(parseInt(t,10))||null;case"entity":return t instanceof He?t:typeof t=="string"?l.getEntityFromIndex(t):null;case"rgb":case"rgba":if(t instanceof Q)return s instanceof Q?(s.copy(t),s):t.clone();if(t instanceof Array&&t.length>=3&&t.length<=4){for(let i=0;i<t.length;i++)if(typeof t[i]!="number")return null;return s||(s=new Q),s.r=t[0],s.g=t[1],s.b=t[2],s.a=t.length===3?1:t[3],s}else if(typeof t=="string"&&/#(?:[0-9a-f]{2}){3,4}/i.test(t))return s||(s=new Q),s.fromString(t),s;return null;case"vec2":case"vec3":case"vec4":{const i=parseInt(e.type.slice(3),10),r=Yz[i];if(t instanceof r)return s instanceof r?(s.copy(t),s):t.clone();if(t instanceof Array&&t.length===i){for(let a=0;a<t.length;a++)if(typeof t[a]!="number")return null;s||(s=new r);for(let a=0;a<i;a++)s[Xz[a]]=t[a];return s}return null}case"curve":if(t){let i;if(t instanceof _i||t instanceof Ya)i=t.clone();else{const r=t.keys[0]instanceof Array?Ya:_i;i=new r(t.keys),i.type=t.type}return i}break}return t}function fC(l,e,t,s){return e.array?t.map((i,r)=>Go(l,e,i,s?s[r]:null)):Go(l,e,t,s)}function pC(l,e,t,s){if(t)for(const i in e){const r=e[i],a=t[i];a!==void 0&&(s[i]=fC(l,r,a,s[i]))}}class eh{static assignAttributesToScript=pC;static attributeToValue=fC;constructor(e){this.scriptType=e,this.index={}}static reservedNames=new Set(["app","entity","enabled","_enabled","_enabledOld","_destroyed","__attributes","__attributesRaw","__scriptType","__executionOrder","_callbacks","_callbackActive","has","get","on","off","fire","once","hasEvent"]);add(e,t){t&&t.type&&(this.index[e]||eh.reservedNames.has(e)||(this.index[e]=t,Object.defineProperty(this.scriptType.prototype,e,{get:function(){return this.__attributes[e]},set:function(s){const i="attr",r=`attr:${e}`,a=this.__attributes[e];let n=a;if(a&&t.type!=="json"&&t.type!=="entity"&&a.clone&&(this.hasEvent(i)||this.hasEvent(r))&&(n=a.clone()),t.array){if(this.__attributes[e]=[],s)for(let o=0,c=s.length;o<c;o++)this.__attributes[e].push(Go(this.app,t,s[o],a?a[o]:null))}else this.__attributes[e]=Go(this.app,t,s,a);this.fire(i,e,this.__attributes[e],n),this.fire(r,this.__attributes[e],n)}})))}remove(e){return this.index[e]?(delete this.index[e],delete this.scriptType.prototype[e],!0):!1}has(e){return!!this.index[e]}get(e){return this.index[e]||null}}const P_="initialize",I_="postInitialize",jz="update",qz="postUpdate",$z="swap";class xu extends ge{static EVENT_ENABLE="enable";static EVENT_DISABLE="disable";static EVENT_STATE="state";static EVENT_DESTROY="destroy";static EVENT_ATTR="attr";static EVENT_ERROR="error";app;entity;_enabled;_enabledOld;_initialized;_postInitialized;__destroyed;__scriptType;__executionOrder;constructor(e){super(),this.initScript(e)}set enabled(e){this._enabled=!!e,this.enabled!==this._enabledOld&&(this._enabledOld=this.enabled,this.fire(this.enabled?"enable":"disable"),this.fire("state",this.enabled),!this._initialized&&this.enabled&&(this._initialized=!0,this.fire("preInitialize"),this.initialize&&this.entity.script._scriptMethod(this,P_)),this._initialized&&!this._postInitialized&&this.enabled&&!this.entity.script._beingEnabled&&(this._postInitialized=!0,this.postInitialize&&this.entity.script._scriptMethod(this,I_)))}get enabled(){return this._enabled&&!this._destroyed&&this.entity.script.enabled&&this.entity.enabled}initScript(e){const t=this.constructor;this.app=e.app,this.entity=e.entity,this._enabled=typeof e.enabled=="boolean"?e.enabled:!0,this._enabledOld=this.enabled,this.__destroyed=!1,this.__scriptType=t,this.__executionOrder=-1}static __name=null;static __getScriptName=mC;static set scriptName(e){this.__name=e}static get scriptName(){return this.__name}}const Kz=/^\s*function(?:\s|\s*\/\*.*\*\/\s*)+([^(\s\/]*)\s*/;function mC(l){if(typeof l!="function")return;if(l.scriptName)return l.scriptName;if("name"in Function.prototype)return l.name;if(l===Function||l===Function.prototype.constructor)return"Function";const e=`${l}`.match(Kz);return e?e[1]:void 0}class Zl extends xu{__attributes;__attributesRaw;constructor(e){super(e),this.initScriptType(e)}static get attributes(){return this.hasOwnProperty("__attributes")||(this.__attributes=new eh(this)),this.__attributes}initScript(e){xu.prototype.initScript.call(this,e),this.__attributes={},this.__attributesRaw=e.attributes||{}}initScriptType(e){this.initScript(e)}__initializeAttributes(e){if(!(!e&&!this.__attributesRaw)){for(const t in this.__scriptType.attributes.index)this.__attributesRaw&&this.__attributesRaw.hasOwnProperty(t)?this[t]=this.__attributesRaw[t]:this.__attributes.hasOwnProperty(t)||(this.__scriptType.attributes.index[t].hasOwnProperty("default")?this[t]=this.__scriptType.attributes.index[t].default:this[t]=null);this.__attributesRaw=null}}static extend(e){for(const t in e)e.hasOwnProperty(t)&&(this.prototype[t]=e[t])}}const Zz=l=>l[0].toLowerCase()+l.substring(1);class Qz extends ye{_attributeDataMap=new Map;static EVENT_CREATE="create";static EVENT_DESTROY="destroy";static EVENT_ENABLE="enable";static EVENT_DISABLE="disable";static EVENT_REMOVE="remove";static EVENT_STATE="state";static EVENT_MOVE="move";static EVENT_ERROR="error";

13428constructor(e,t){super(e,t),this._scripts=[],this._updateList=new zd({sortBy:"__executionOrder"}),this._postUpdateList=new zd({sortBy:"__executionOrder"}),this._scriptsIndex={},this._destroyedScripts=[],this._destroyed=!1,this._scriptsData=null,this._oldState=!0,this._enabled=!0,this._beingEnabled=!1,this._isLoopingThroughScripts=!1,this._executionOrder=-1,this.on("set_enabled",this._onSetEnabled,this)}set scripts(e){this._scriptsData=e;for(const t in e){if(!e.hasOwnProperty(t))continue;const s=this._scriptsIndex[t];if(s){if(typeof e[t].enabled=="boolean"&&(s.once("preInitialize",()=>{this.initializeAttributes(s)}),s.enabled=!!e[t].enabled),typeof e[t].attributes=="object"){for(const i in e[t].attributes)if(!eh.reservedNames.has(i)){if(!s.__attributes.hasOwnProperty(i)){const r=this.system.app.scripts.get(t);r&&r.attributes.add(i,{})}s[i]=e[t].attributes[i]}}}else console.log(this.order)}}get scripts(){return this._scripts}set enabled(e){const t=this._enabled;this._enabled=e,this.fire("set","enabled",t,e)}get enabled(){return this._enabled}onEnable(){this._beingEnabled=!0,this._checkState(),this.entity._beingEnabled||this.onPostStateChange(),this._beingEnabled=!1}onDisable(){this._checkState()}onPostStateChange(){const e=this._beginLooping();for(let t=0,s=this.scripts.length;t<s;t++){const i=this.scripts[t];i._initialized&&!i._postInitialized&&i.enabled&&(i._postInitialized=!0,i.postInitialize&&this._scriptMethod(i,I_))}this._endLooping(e)}_beginLooping(){const e=this._isLoopingThroughScripts;return this._isLoopingThroughScripts=!0,e}_endLooping(e){this._isLoopingThroughScripts=e,this._isLoopingThroughScripts||this._removeDestroyedScripts()}_onSetEnabled(e,t,s){this._beingEnabled=!0,this._checkState(),this._beingEnabled=!1}_checkState(){const e=this.enabled&&this.entity.enabled;if(e===this._oldState)return;this._oldState=e,this.fire(e?"enable":"disable"),this.fire("state",e),e?this.system._addComponentToEnabled(this):this.system._removeComponentFromEnabled(this);const t=this._beginLooping();for(let s=0,i=this.scripts.length;s<i;s++){const r=this.scripts[s];r.once("preInitialize",()=>{this.initializeAttributes(r)}),r.enabled=r._enabled}this._endLooping(t)}_onBeforeRemove(){this.fire("remove");const e=this._beginLooping();for(let t=0;t<this.scripts.length;t++){const s=this.scripts[t];s&&this.destroy(s.__scriptType.__name)}this._endLooping(e)}_removeDestroyedScripts(){const e=this._destroyedScripts.length;if(e){for(let t=0;t<e;t++){const s=this._destroyedScripts[t];this._removeScriptInstance(s)}this._destroyedScripts.length=0,this._resetExecutionOrder(0,this._scripts.length)}}_onInitializeAttributes(){for(let e=0,t=this.scripts.length;e<t;e++){const s=this.scripts[e];this.initializeAttributes(s)}}initializeAttributes(e){if(e instanceof Zl)e.__initializeAttributes();else{const t=e.__scriptType.__name,s=this._attributeDataMap.get(t);if(!s)return;const i=this.system.app.scripts?.getSchema(t);pC(this.system.app,i.attributes,s,e)}}_scriptMethod(e,t,s){e[t](s)}_onInitialize(){const e=this._scripts,t=this._beginLooping();for(let s=0,i=e.length;s<i;s++){const r=e[s];!r._initialized&&r.enabled&&(r._initialized=!0,r.initialize&&this._scriptMethod(r,P_))}this._endLooping(t)}_onPostInitialize(){this.onPostStateChange()}_onUpdate(e){const t=this._updateList;if(!t.length)return;const s=this._beginLooping();for(t.loopIndex=0;t.loopIndex<t.length;t.loopIndex++){const i=t.items[t.loopIndex];i.enabled&&this._scriptMethod(i,jz,e)}this._endLooping(s)}_onPostUpdate(e){const t=this._postUpdateList;if(!t.length)return;const s=this._beginLooping();for(t.loopIndex=0;t.loopIndex<t.length;t.loopIndex++){const i=t.items[t.loopIndex];i.enabled&&this._scriptMethod(i,qz,e)}this._endLooping(s)}_insertScriptInstance(e,t,s){t===-1?(this._scripts.push(e),e.__executionOrder=s,e.update&&this._updateList.append(e),e.postUpdate&&this._postUpdateList.append(e)):(this._scripts.splice(t,0,e),e.__executionOrder=t,this._resetExecutionOrder(t+1,s+1),e.update&&this._updateList.insert(e),e.postUpdate&&this._postUpdateList.insert(e))}_removeScriptInstance(e){const t=this._scripts.indexOf(e);return t===-1||(this._scripts.splice(t,1),e.update&&this._updateList.remove(e),e.postUpdate&&this._postUpdateList.remove(e)),t}_resetExecutionOrder(e,t){for(let s=e;s<t;s++)this._scripts[s].__executionOrder=s}_resolveEntityScriptAttribute(e,t,s,i,r,a){if(e.array){const n=s.length;if(!n)return;const o=s.slice();for(let c=0;c<n;c++){const h=o[c]instanceof lt?o[c].guid:o[c];

13428a[h]&&(o[c]=i?a[h].guid:a[h])}r[t]=o}else{if(s instanceof lt)s=s.guid;else if(typeof s!="string")return;a[s]&&(r[t]=a[s])}}has(e){if(typeof e=="string")return!!this._scriptsIndex[e];if(!e)return!1;const t=e,s=t.__name,i=this._scriptsIndex[s];return(i&&i.instance)instanceof t}get(e){if(typeof e=="string"){const a=this._scriptsIndex[e];return a?a.instance:null}if(!e)return null;const t=e,s=t.__name,i=this._scriptsIndex[s],r=i&&i.instance;return r instanceof t?r:null}create(e,t={}){const s=this;let i=e,r=e;if(typeof i=="string")i=this.system.app.scripts.get(i);else if(i){const a=mC(i),n=Zz(a);!(i.prototype instanceof Zl)&&i.scriptName,i.__name??(i.__name=i.scriptName??n),r=i.__name}if(i){if(!this._scriptsIndex[r]||!this._scriptsIndex[r].instance){const a=new i({app:this.system.app,entity:this.entity,enabled:t.hasOwnProperty("enabled")?t.enabled:!0,attributes:t.attributes||{}});t.properties&&typeof t.properties=="object"&&Object.assign(a,t.properties),!(a instanceof Zl)&&t.attributes&&this._attributeDataMap.set(r,{...t.attributes});const n=this._scripts.length;let o=-1;return typeof t.ind=="number"&&t.ind!==-1&&n>t.ind&&(o=t.ind),this._insertScriptInstance(a,o,n),this._scriptsIndex[r]={instance:a,onSwap:function(){s.swap(r)}},this[r]=a,t.preloading||this.initializeAttributes(a),this.fire("create",r,a),this.fire(`create:${r}`,a),this.system.app.scripts.on(`swap:${r}`,this._scriptsIndex[r].onSwap),t.preloading||(a.enabled&&!a._initialized&&(a._initialized=!0,a.initialize&&this._scriptMethod(a,P_)),a.enabled&&!a._postInitialized&&(a._postInitialized=!0,a.postInitialize&&this._scriptMethod(a,I_))),a}}else this._scriptsIndex[r]={awaiting:!0,ind:this._scripts.length};return null}destroy(e){let t=e,s=e;typeof s=="string"?s=this.system.app.scripts.get(s):s&&(t=s.__name);const i=this._scriptsIndex[t];if(delete this._scriptsIndex[t],!i)return!1;this._attributeDataMap.delete(t);const r=i.instance;if(r&&!r._destroyed)if(r.enabled=!1,r._destroyed=!0,this._isLoopingThroughScripts)this._destroyedScripts.push(r);else{const a=this._removeScriptInstance(r);a>=0&&this._resetExecutionOrder(a,this._scripts.length)}return this.system.app.scripts.off(`swap:${t}`,i.onSwap),delete this[t],this.fire("destroy",t,r||null),this.fire(`destroy:${t}`,r||null),r&&r.fire("destroy"),!0}swap(e){let t=e,s=e;typeof s=="string"?s=this.system.app.scripts.get(s):s&&(t=s.__name);const i=this._scriptsIndex[t];if(!i||!i.instance)return!1;const r=i.instance,a=this._scripts.indexOf(r),n=new s({app:this.system.app,entity:this.entity,enabled:r.enabled,attributes:r.__attributes});return n.swap?(this.initializeAttributes(n),this._scripts[a]=n,this._scriptsIndex[t].instance=n,this[t]=n,n.__executionOrder=a,r.update&&this._updateList.remove(r),r.postUpdate&&this._postUpdateList.remove(r),n.update&&this._updateList.insert(n),n.postUpdate&&this._postUpdateList.insert(n),this._scriptMethod(n,$z,r),this.fire("swap",t,n),this.fire(`swap:${t}`,n),!0):!1}resolveDuplicatedEntityReferenceProperties(e,t){const s=this.entity.script;for(const i in e._scriptsIndex){const r=this.system.app.scripts.get(i);if(!r)continue;const a=e._scriptsIndex[i];if(!a||!a.instance)continue;const n=s[i].__attributesRaw??s._attributeDataMap.get(i),o=s[i].__attributes;if(!n&&!o)continue;const c=!!n,h=a.instance.__attributes??s._attributeDataMap.get(i);for(const d in h){if(!h[d])continue;const u=r.attributes?.get(d)??this.system.app.scripts.getSchema(i)?.attributes?.[d];if(u){if(u.type==="entity")this._resolveEntityScriptAttribute(u,d,h[d],c,n||o,t);else if(u.type==="json"&&Array.isArray(u.schema)){const f=h[d],p=n?n[d]:o[d];for(let m=0;m<u.schema.length;m++){const _=u.schema[m];if(_.type==="entity")if(u.array)for(let g=0;g<f.length;g++)this._resolveEntityScriptAttribute(_,_.name,f[g][_.name],c,p[g],t);else this._resolveEntityScriptAttribute(_,_.name,f[_.name],c,p,t)}}}}}}move(e,t){const s=this._scripts.length;if(t>=s||t<0)return!1;let i=e,r=e;typeof r!="string"?r=e.__name:i=null;const a=this._scriptsIndex[r];if(!a||!a.instance)return!1;const n=a.instance;if(i&&!(n instanceof i))return!1;const o=this._scripts.indexOf(n);return o===-1||o===t?!1:(this._scripts.splice(t,0,this._scripts.splice(o,1)[0]),this._resetExecutionOrder(0,s),this._updateList.sort(),this._postUpdateList.sort(),this.fire("move",r,n,t,o),this.fire(`move:${r}`,n,t,o),!0)}}class Jz{enabled=!0}const eV="_onInitializeAttributes",tV="_onInitialize",sV="_onPostInitialize",iV="_onUpdate",rV="_onPostUpdate";let ad=0;class aV extends Tt{constructor(e){super(e),this.id="script",this.ComponentType=Qz,this.DataType=Jz,this._components=new zd({sortBy:"_executionOrder"}),this._enabledComponents=new zd({sortBy:"_executionOrder"}),this.preloading=!0,this.on("beforeremove",this._onBeforeRemove,this),this.app.systems.on("initialize",this._onInitialize,this),this.app.systems.on("postInitialize",this._onPostInitialize,this),this.app.systems.on("update",this._onUpdate,this),this.app.systems.on("postUpdate",this._onPostUpdate,this)}initializeComponentData(e,t){if(e._executionOrder=ad++,this._components.append(e),ad>Number.MAX_SAFE_INTEGER&&this._resetExecutionOrder(),e.enabled=t.hasOwnProperty("enabled")?!!t.enabled:!0,e.enabled&&e.entity.enabled&&this._enabledComponents.append(e),t.hasOwnProperty("order")&&t.hasOwnProperty("scripts")){e._scriptsData=t.scripts;for(let s=0;s<t.order.length;s++)e.create(t.order[s],{enabled:t.scripts[t.order[s]].enabled,attributes:t.scripts[t.order[s]].attributes,preloading:this.preloading})}}cloneComponent(e,t){const s=[],i={};for(let a=0;a<e.script._scripts.length;a++){const n=e.script._scripts[a],o=n.__scriptType.__name;s.push(o);const c=e.script._attributeDataMap?.get(o)||{};for(const h in n.__attributes)c[h]=n.__attributes[h];i[o]={enabled:n._enabled,attributes:c}}for(const a in e.script._scriptsIndex)a.awaiting&&s.splice(a.ind,0,a);const r={enabled:e.script.enabled,order:s,scripts:i};return this.addComponent(t,r)}_resetExecutionOrder(){ad=0;for(let e=0,t=this._components.length;e<t;e++)this._components.items[e]._executionOrder=ad++}_callComponentMethod(e,t,s){for(e.loopIndex=0;

13428e.loopIndex<e.length;e.loopIndex++)e.items[e.loopIndex][t](s)}_onInitialize(){this.preloading=!1,this._callComponentMethod(this._components,eV),this._callComponentMethod(this._enabledComponents,tV)}_onPostInitialize(){this._callComponentMethod(this._enabledComponents,sV)}_onUpdate(e){this._callComponentMethod(this._enabledComponents,iV,e)}_onPostUpdate(e){this._callComponentMethod(this._enabledComponents,rV,e)}_addComponentToEnabled(e){this._enabledComponents.insert(e)}_removeComponentFromEnabled(e){this._enabledComponents.remove(e)}_onBeforeRemove(e,t){this._components.items.indexOf(t)>=0&&t._onBeforeRemove(),this._removeComponentFromEnabled(t),this._components.remove(t)}destroy(){super.destroy(),this.app.systems.off("initialize",this._onInitialize,this),this.app.systems.off("postInitialize",this._onPostInitialize,this),this.app.systems.off("update",this._onUpdate,this),this.app.systems.off("postUpdate",this._onPostUpdate,this)}}const nV=new j;let sm=new Uint32Array(0);const im=[0,0];class g0{device;resource;node;lodIndex;placementId;allocId;parentPlacementId;numSplats;activeSplats=0;intervals=[];intervalOffsets=[];intervalAllocIds=[];intervalNodeIndices=[];previousWorldTransform=new Z;aabb=new Le;subDrawTexture=null;subDrawCount=0;numBoundsEntries=0;boundsBaseIndex=0;octreeNodes=null;nodeInfos=null;colorAccumulatedTranslation=0;parameters=null;getWorkBufferModifier=null;getInstanceStreams=null;_consumeRenderDirty=null;constructor(e,t,s,i=null,r=null,a=null){this.device=e,this.resource=t,this.node=s.node,this.lodIndex=s.lodIndex,this.placementId=s.id,this.allocId=s.allocId,this.parentPlacementId=r&&s.parentPlacement?s.parentPlacement.allocId:s.allocId,this.numSplats=t.numSplats,this.aabb.copy(s.aabb),this.parameters=s.parameters,this.getWorkBufferModifier=()=>s.workBufferModifier,this.getInstanceStreams=()=>s.streams,this._consumeRenderDirty=i,this.octreeNodes=r,this.nodeInfos=a,this.updateIntervals(s.intervals)}destroy(){this.intervals.length=0,this.intervalOffsets.length=0,this.intervalAllocIds.length=0,this.intervalNodeIndices.length=0,this.subDrawTexture?.destroy(),this.subDrawTexture=null,this.subDrawCount=0}setLayout(e){this.intervalOffsets=e,this.subDrawTexture?.destroy(),this.subDrawTexture=null,this.subDrawCount=0}ensureSubDrawTexture(e){!this.subDrawTexture&&e>0&&this.updateSubDraws(e)}updateIntervals(e){const t=this.resource;if(this.intervals.length=0,this.intervalAllocIds.length=0,this.intervalNodeIndices.length=0,this.activeSplats=t.numSplats,e.size>0){let s=0,i=0;this.intervals.length=e.size*2;for(const[r,a]of e)this.intervals[i++]=a.x,this.intervals[i++]=a.y+1,s+=a.y-a.x+1,this.nodeInfos&&(this.intervalAllocIds.push(this.nodeInfos[r].allocId),this.intervalNodeIndices.push(r));this.octreeNodes?(this.activeSplats=s,this.numBoundsEntries=this.octreeNodes.length):s===this.numSplats?this.intervals.length=0:this.activeSplats=s}else{this.numBoundsEntries=1,this.intervalAllocIds.push(this.allocId);const s=t.maxSplats;s&&this.activeSplats<s&&(this.intervals[0]=0,this.intervals[1]=this.activeSplats)}}appendSubDraws(e,t,s,i,r,a){let n=i,o=r/a|0;const c=r%a;if(c>0){const d=Math.min(n,a-c),u=t*4;e[u]=o|65536,e[u+1]=c,e[u+2]=c+d,e[u+3]=s,t++,s+=d,n-=d,o++}const h=n/a|0;if(h>0){const d=t*4;e[d]=o|h<<16,e[d+1]=0,e[d+2]=a,e[d+3]=s,t++,s+=h*a,n-=h*a,o+=h}if(n>0){const d=t*4;e[d]=o|65536,e[d+1]=0,e[d+2]=n,e[d+3]=s,t++}return t}updateSubDraws(e){let t=this.intervals,s=t.length/2;s===0&&(im[0]=0,im[1]=this.activeSplats,t=im,s=1);const r=s*3*4;sm.length<r&&(sm=new Uint32Array(r));const a=sm;let n=0;for(let d=0;d<s;d++)n=this.appendSubDraws(a,n,t[d*2],t[d*2+1]-t[d*2],this.intervalOffsets[d],e);this.subDrawCount=n;const{x:o,y:c}=Xt.calcTextureSize(n,nV);this.subDrawTexture=ce.createDataTexture2D(this.device,"subDrawData",o,c,Wt),this.subDrawTexture.lock().set(a.subarray(0,n*4)),this.subDrawTexture.unlock()}update(){const e=this.node.getWorldTransform(),t=!this.previousWorldTransform.equals(e);t&&this.previousWorldTransform.copy(e);const s=this._consumeRenderDirty?this._consumeRenderDirty():!1;return t||s}writeBoundsSpheres(e,t){if(this.octreeNodes)for(let s=0;s<this.octreeNodes.length;s++){const i=this.octreeNodes[s].boundingSphere;e[t++]=i.x,e[t++]=i.y,e[t++]=i.z,e[t++]=i.w}

13428else{const s=this.resource.aabb,i=s.halfExtents,r=Math.sqrt(i.x*i.x+i.y*i.y+i.z*i.z);e[t++]=s.center.x,e[t++]=s.center.y,e[t++]=s.center.z,e[t++]=r}}get hasSphericalHarmonics(){return this.resource.gsplatData?.shBands>0}}function oV(){const l=typeof self<"u"&&self||require("node:worker_threads").parentPort,e=new Map;let t,s,i,r,a=!1,n=!1;const o=32,c=new Float32Array(o+1),h=new Float32Array(o+1),d=new GSplatSortBinWeights,u=S=>{for(let T=0;T<o;T++)c[T]=S[T*2],h[T]=S[T*2+1];c[o]=c[o-1]+h[o-1],h[o]=0},f=(S,T,w,C,b,I,P)=>{const{ids:L,intervals:O}=I,D=o/w;let N=0;for(let k=0;k<S.length;k++){const A=S[k],M=L[k],R=e.get(M);R||console.error("UnifiedSortWorker: No centers found for id",M);const F=O[k].length>0?O[k]:[0,R.length/3];for(let U=0;U<F.length;U+=2){const B=F[U]*3,z=F[U+1]*3;N=P(R,A,B,z,N,D,T,w,C,b)}}},p=(S,T,w,C,b,I)=>{f(S,T,w,C,b,I,(P,L,O,D,N,k,A,M,R,F)=>{const{transformedDirection:U,offset:B,scale:z}=L,$=U.x,K=U.y,Y=U.z,te=$*z,J=K*z,_e=Y*z,Ae=B-A;for(let we=O;we<D;we+=3){const $e=P[we],Ye=P[we+1],Ee=P[we+2],ke=($e*te+Ye*J+Ee*_e+Ae)*k,ps=ke>>>0,se=c[ps]+h[ps]*(ke-ps)>>>0;R[N++]=se,F[se]++}return N})},m=(S,T,w,C,b,I)=>{f(S,T,w,C,b,I,(P,L,O,D,N,k,A,M,R,F)=>{const{transformedPosition:U,scale:B}=L,z=U.x,$=U.y,K=U.z;for(let Y=O;Y<D;Y+=3){const te=P[Y]-z,J=P[Y+1]-$,_e=P[Y+2]-K,Ae=te*te+J*J+_e*_e,we=Math.sqrt(Ae)*B,Ye=(M-we)*k,Ee=Ye>>>0,Pe=c[Ee]+h[Ee]*(Ye-Ee)>>>0;R[N++]=Pe,F[Pe]++}return N})},_=(S,T,w,C,b)=>{for(let P=1;P<S;P++)T[P]+=T[P-1];const I=T[S-1];I!==w&&!n&&(n=!0,console.warn(`[SortWorker] ${w-I} splats lost due to sortKey overflow. Check resource AABB bounds contain all the splats.`));for(let P=0;P<w;P++){const L=C[P],O=--T[L];b[O]=r[P]}},g=S=>{let T=1/0,w=-1/0;for(let C=0;C<S.length;C++){const b=S[C],{transformedDirection:I,offset:P,scale:L,aabbMin:O,aabbMax:D}=b,N=I.x,k=I.y,A=I.z,M=N>=0?O[0]:D[0],R=k>=0?O[1]:D[1],F=A>=0?O[2]:D[2],U=N>=0?D[0]:O[0],B=k>=0?D[1]:O[1],z=A>=0?D[2]:O[2],$=M*N+R*k+F*A,K=U*N+B*k+z*A,Y=$*L+P,te=K*L+P,J=Math.min(Y,te),_e=Math.max(Y,te);J<T&&(T=J),_e>w&&(w=_e)}return T===1/0&&(T=0,w=0),{minDist:T,maxDist:w}},v=S=>{let T=-1/0;for(let C=0;C<S.length;C++){const b=S[C],{transformedPosition:I,scale:P,aabbMin:L,aabbMax:O}=b,D=I.x,N=I.y,k=I.z;for(let A=0;A<8;A++){const M=A&1?O[0]:L[0],R=A&2?O[1]:L[1],F=A&4?O[2]:L[2],U=M-D,B=R-N,z=F-k,$=U*U+B*B+z*z,K=Math.sqrt($)*P;K>T&&(T=K)}}const w=0;return T<0&&(T=0),{minDist:w,maxDist:T}},x=(S,T,w)=>{const C=performance.now(),{minDist:b,maxDist:I}=a?v(S):g(S),P=w.totalActiveSplats,O=2**Math.max(10,Math.min(20,Math.round(Math.log2(P/4))))+1;s?.length!==P&&(s=new Uint32Array(P)),!i||i.length!==O?i=new Uint32Array(O):i.fill(0);const D=I-b,N=GSplatSortBinWeights.computeCameraBin(a,b,D),k=d.compute(N,O);u(k),a?m(S,b,D,s,i,w):p(S,b,D,s,i,w),_(O,i,P,s,T);const A=P,M=performance.now()-C,R=[T.buffer],F={order:T.buffer,count:A,version:w.version,sortTime:M};l.postMessage(F,R)},y=S=>{const{ids:T,pixelOffsets:w,intervals:C,totalActiveSplats:b}=S;(!r||r.length<b)&&(r=new Uint32Array(b));let I=0;for(let P=0;P<T.length;P++){const L=e.get(T[P]),O=w[P],D=C[P].length>0?C[P]:[0,L.length/3];for(let N=0;N<D.length;N+=2){let k=O[N/2];const A=D[N+1]-D[N];for(let M=0;M<A;M++)r[I++]=k++}}};l.addEventListener("message",S=>{const T=S.data??S;switch(T.command){case"addCenters":{e.set(T.id,new Float32Array(T.centers));break}case"removeCenters":{e.delete(T.id);break}case"sort":{a=T.radialSorting||!1;const w=new Uint32Array(T.order);x(T.sortParams,w,t);break}case"intervals":{t=T,y(t);break}}})}let Vl=class Gl{static get NUM_BINS(){return 32}static get WEIGHT_TIERS(){return[{maxDistance:0,weight:40},{maxDistance:2,weight:20},{maxDistance:5,weight:8},{maxDistance:10,weight:3},{maxDistance:1/0,weight:1}]}constructor(){const e=Gl.NUM_BINS,t=Gl.WEIGHT_TIERS;this.binWeights=new Float32Array(e*2),this.bitsPerBin=new Float32Array(e),this.weightByDistance=new Float32Array(e);for(let s=0;s<e;s++){let i=1;for(let r=0;r<t.length;r++)if(s<=t[r].maxDistance){i=t[r].weight;break}this.weightByDistance[s]=i}this.lastCameraBin=-1,this.lastBucketCount=-1}static computeCameraBin(e,t,s){const i=Gl.NUM_BINS;if(e)return i-1;const a=-t/s*i;return Math.max(0,Math.min(i-1,Math.floor(a)))}compute(e,t){if(e===this.lastCameraBin&&t===this.lastBucketCount)return this.binWeights;this.lastCameraBin=e,this.lastBucketCount=t;const s=Gl.NUM_BINS,i=this.bitsPerBin;for(let n=0;n<s;n++){const o=Math.abs(n-e);i[n]=this.weightByDistance[o]}let r=0;for(let n=0;n<s;n++)r+=i[n];let a=0;for(let n=0;n<s;n++){const o=Math.max(1,Math.floor(i[n]/r*t));this.binWeights[n*2]=a,this.binWeights[n*2+1]=o,a+=o}if(a>t){const n=a-t,o=(s-1)*2+1;this.binWeights[o]=Math.max(1,this.binWeights[o]-n)}return this.binWeights}};const rm=new Set;class lV extends ge{worker;bufferLength=0;availableOrderData=[];jobsInFlight=0;hasNewVersion=!1;pendingSorted=null;centersSet=new Set;_destroyed=!1;scene=null;constructor(e){super(),this.scene=e??null;const t=`
13429						const GSplatSortBinWeights = ${Vl.toString()};
13430						(${oV.toString()})()
13431				`;Ce.environment==="node"?(this.worker=new Worker(t,{eval:!0}),this.worker.on("message",this.onSorted.bind(this))):(this.worker=new Worker(URL.createObjectURL(new Blob([t],{type:"application/javascript"}))),this.worker.addEventListener("message",this.onSorted.bind(this)))}onSorted(e){if(this._destroyed)return;const t=e.data??e;this.scene&&t.sortTime!==void 0&&this.scene.fire("gsplat:sorted",t.sortTime);const s=new Uint32Array(t.order);this.jobsInFlight--,this.pendingSorted&&this.releaseOrderData(this.pendingSorted.orderData),this.pendingSorted={count:t.count,version:t.version,orderData:s}}applyPendingSorted(){if(this.pendingSorted){const{count:e,version:t,orderData:s}=this.pendingSorted;this.pendingSorted=null,this.fire("sorted",e,t,s),this.releaseOrderData(s)}}releaseOrderData(e){e.length===this.bufferLength&&this.availableOrderData.push(e)}destroy(){this._destroyed=!0,this.pendingSorted=null,this.worker.terminate(),this.worker=null}setCenters(e,t){if(t){if(!this.centersSet.has(e)){this.centersSet.add(e);const s=t.buffer.slice();this.worker.postMessage({command:"addCenters",id:e,centers:s},[s])}}else this.centersSet.has(e)&&(this.centersSet.delete(e),this.worker.postMessage({command:"removeCenters",id:e}))}updateCentersForSplats(e){for(const t of e){const s=t.resource.id;rm.add(s),this.centersSet.has(s)||this.setCenters(s,t.resource.centers)}for(const t of this.centersSet)rm.has(t)||this.setCenters(t,null);rm.clear()}setSortParameters(e){this.hasNewVersion=!0;const{textureSize:t}=e,s=t*t;s!==this.bufferLength&&(this.bufferLength=s,this.availableOrderData.length=0),this.worker.postMessage(e)}setSortParams(e,t){if(this.hasNewVersion||this.jobsInFlight===0){let s=this.availableOrderData.pop();s||(s=new Uint32Array(this.bufferLength)),this.jobsInFlight++,this.hasNewVersion=!1,this.worker.postMessage({command:"sort",sortParams:e,radialSorting:t,order:s.buffer},[s.buffer])}}}var _C=`
13432#include "tonemappingPS"
13433#include "decodePS"
13434#include "gammaPS"
13435#include "fogPS"
13436#if FOG != NONE && !defined(GSPLAT_NO_FOG)
13437	#define GSPLAT_FOG
13438#endif
13439fn prepareOutputFromGamma(gammaColor: vec3f, depth: f32) -> vec3f {
13440	var color = gammaColor;
13441	#if TONEMAP != NONE || GAMMA == NONE || defined(GSPLAT_FOG)
13442		color = decodeGamma3(color);
13443	#endif
13444	#ifdef GSPLAT_FOG
13445		color = addFog(color, depth);
13446	#endif
13447	#if TONEMAP != NONE
13448		color = toneMap(color);
13449	#endif
13450	#if TONEMAP != NONE || (GAMMA != NONE && defined(GSPLAT_FOG))
13451		color = gammaCorrectOutput(color);
13452	#endif
13453	return color;
13454}
13455`;class Qg{device;node;cameraNode;layer;workBuffer;renderMode;_workBufferFormatVersion=-1;fisheyeProj=new sw;constructor(e,t,s,i,r){this.device=e,this.node=t,this.cameraNode=s,this.layer=i,this.workBuffer=r,this._workBufferFormatVersion=r?.format.extraStreamsVersion??-1}destroy(){}setRenderMode(e){this.renderMode=e}get material(){return null}setDataSource(e){this.workBuffer=e,this.onWorkBufferFormatChanged()}onWorkBufferFormatChanged(){}update(e,t){}setGpuSortedRendering(e,t,s,i){}setCpuSortedRendering(){}setOrderData(){}

13455frameUpdate(e,t,s){}updateOverdrawMode(e){}_createTonemapIncludes(e){e.set("gsplatOutputVS",_C);const t=["tonemappingPS","tonemappingNonePS","tonemappingLinearPS","tonemappingFilmicPS","tonemappingHejlPS","tonemappingAcesPS","tonemappingAces2PS","tonemappingNeutralPS","decodePS","gammaPS"];for(const s of t)e.set(s,Kl[s])}}class cV extends Qg{_material;meshInstance;originalBlendType=nn;_internalDefines=new Set;forceCopyMaterial=!0;_lastFisheyeEnabled=!1;_lastSourceChunksKey="";constructor(e,t,s,i,r){super(e,t,s,i,r),this._material=new ei({uniqueName:"UnifiedSplatMaterial",vertexGLSL:'#include "gsplatVS"',fragmentGLSL:'#include "gsplatPS"',vertexWGSL:'#include "gsplatVS"',fragmentWGSL:'#include "gsplatPS"',attributes:{vertex_position:Ie}}),this._material.setDefine("{GSPLAT_INSTANCE_SIZE}",Rt.instanceSize),this.configureMaterial(),this._material.defines.forEach((a,n)=>{this._internalDefines.add(n)}),this._internalDefines.add("{GSPLAT_INSTANCE_SIZE}"),this._internalDefines.add("GSPLAT_UNIFIED_ID"),this._internalDefines.add("PICK_CUSTOM_ID"),this._internalDefines.add("GSPLAT_INDIRECT_DRAW"),this._internalDefines.add("GSPLAT_SEPARATE_OPACITY"),this._internalDefines.add("GSPLAT_FISHEYE"),this.meshInstance=this.createMeshInstance()}setRenderMode(e){const t=this.renderMode??0,s=(t&xs)!==0,i=(t&ho)!==0,r=(e&xs)!==0,a=(e&ho)!==0;this.meshInstance.castShadow=a,s&&!r&&this.layer.removeMeshInstances([this.meshInstance],!0),i&&!a&&this.layer.removeShadowCasters([this.meshInstance]),!s&&r&&this.layer.addMeshInstances([this.meshInstance],!0),!i&&a&&this.layer.addShadowCasters([this.meshInstance]),super.setRenderMode(e)}destroy(){this.renderMode&&(this.renderMode&xs&&this.layer.removeMeshInstances([this.meshInstance],!0),this.renderMode&ho&&this.layer.removeShadowCasters([this.meshInstance])),this._material.destroy(),this.meshInstance.destroy(),super.destroy()}get material(){return this._material}onWorkBufferFormatChanged(){this.configureMaterial()}configureMaterial(){const{workBuffer:e}=this;this._injectFormatChunks(),this._material.setDefine("SH_BANDS","0"),this._material.setDefine("GSPLAT_SEPARATE_OPACITY","");const t=e.format.getStream("dataColor");t&&t.format!==Vi&&this._material.setDefine("GSPLAT_COLOR_FLOAT",""),this._updateIdDefines(),this._bindWorkBufferTextures(),this._material.setParameter("numSplats",0),this.setOrderData(),this._material.setDefine("DITHER_NONE",""),this._material.cull=Yt,this._material.blendType=Ui,this._material.depthWrite=!1,this._material.update()}_bindWorkBufferTextures(){const{workBuffer:e}=this;for(const t of e.format.resourceStreams){const s=e.getTexture(t.name);s&&this._material.setParameter(t.name,s)}}_injectFormatChunks(){const e=this.device.isWebGPU?this._material.shaderChunks.wgsl:this._material.shaderChunks.glsl,t=this.workBuffer.format;e.set("gsplatDeclarationsVS",t.getInputDeclarations()),e.set("gsplatReadVS",t.getReadCode())}update(e,t){this.meshInstance.instancingCount=Math.ceil(e/Rt.instanceSize),this._material.setParameter("numSplats",e),this._material.setParameter("splatTextureSize",t),this.meshInstance.visible=e>0}setGpuSortedRendering(e,t,s,i){this.meshInstance.setIndirect(null,e,1),this._material.setParameter("compactedSplatIds",t),this._material.setParameter("numSplatsStorage",s),this._material.getDefine("GSPLAT_INDIRECT_DRAW")||(this._material.setDefine("GSPLAT_INDIRECT_DRAW",!0),this._material.update()),this._material.setParameter("splatTextureSize",i),this.meshInstance.visible=!0,this.meshInstance.instancingCount<=0&&(this.meshInstance.instancingCount=1)}setCpuSortedRendering(){this.meshInstance.setIndirect(null,-1),this._material.getDefine("GSPLAT_INDIRECT_DRAW")&&(this._material.setDefine("GSPLAT_INDIRECT_DRAW",!1),this._material.update()),this.setOrderData(),this.meshInstance.visible=!1}setOrderData(){this.device.isWebGPU?this._material.setParameter("splatOrder",this.workBuffer.orderBuffer):this._material.setParameter("splatOrder",this.workBuffer.orderTexture)}frameUpdate(e){e.colorRamp&&this._material.setParameter("colorRampIntensity",e.colorRampIntensity);const t=this.cameraNode.camera;this.fisheyeProj.update(e.fisheye,t.fov,t.projectionMatrix);const s=this.fisheyeProj.enabled;if(s!==this._lastFisheyeEnabled&&(this._lastFisheyeEnabled=s,this._material.setDefine("GSPLAT_FISHEYE",s),this._material.update(

13455)),s){const r=this.fisheyeProj;this._material.setParameter("fisheye_k",r.k),this._material.setParameter("fisheye_inv_k",r.invK),this._material.setParameter("fisheye_projMat00",r.projMat00),this._material.setParameter("fisheye_projMat11",r.projMat11)}const i=!e.useFog;i!==this._lastNoFog&&(this._lastNoFog=i,this._material.setDefine("GSPLAT_NO_FOG",i),this._material.update()),this._syncWithWorkBufferFormat(),(this.forceCopyMaterial||e.material.dirty)&&(this.copyMaterialSettings(e.material),this.forceCopyMaterial=!1)}_updateIdDefines(){const e=!!this.workBuffer.format.getStream("pcId");this._material.setDefine("GSPLAT_UNIFIED_ID",e),this._material.setDefine("PICK_CUSTOM_ID",e)}_syncWithWorkBufferFormat(){const e=this.workBuffer.format;this._workBufferFormatVersion!==e.extraStreamsVersion&&(this._workBufferFormatVersion=e.extraStreamsVersion,this.workBuffer.syncWithFormat(),this._injectFormatChunks(),this._bindWorkBufferTextures(),this._updateIdDefines(),this._material.update())}copyMaterialSettings(e){const t=[];this._material.defines.forEach((i,r)=>{!this._internalDefines.has(r)&&!e.defines.has(r)&&t.push(r)}),t.forEach(i=>this._material.setDefine(i,void 0)),e.defines.forEach((i,r)=>{this._material.setDefine(r,i)});const s=e.parameters;for(const i in s)s.hasOwnProperty(i)&&this._material.setParameter(i,s[i].data);if(e.hasShaderChunks){const i=e.shaderChunks.key;i!==this._lastSourceChunksKey&&(this._material.shaderChunks.copy(e.shaderChunks),this._injectFormatChunks(),this._lastSourceChunksKey=i)}this._material.update()}updateOverdrawMode(e){const t=!!e.colorRamp,s=this._material.getDefine("GSPLAT_OVERDRAW");t&&(this._material.setParameter("colorRamp",e.colorRamp),this._material.setParameter("colorRampIntensity",e.colorRampIntensity)),t!==s&&(this._material.setDefine("GSPLAT_OVERDRAW",t),t?(this.originalBlendType=this._material.blendType,this._material.blendType=nn):this._material.blendType=this.originalBlendType,this._material.update())}createMeshInstance(){const e=Rt.createMesh(this.device),t=new Ne(e,this._material);t.node=this.node,t.setInstancing(!0,!0),t.instancingCount=0;const s=this.cameraNode.camera;return t.isVisibleFunc=i=>{const r=this.renderMode??0;return s.camera===i&&r&xs?!0:r&ho?i.node?.name===kg:!1},t}}

13455const Tu=8,v0=new Z,hV=new Z;class dV extends Qg{_material;meshInstance;_pickMaterial=null;_pickMeshInstance=null;_clipToViewZ=new Float32Array(4);_clipToViewZPick=null;originalBlendType=nn;_internalDefines=new Set;forceCopyMaterial=!0;constructor(e,t,s,i,r){super(e,t,s,i,r),this._material=new ei({uniqueName:"UnifiedSplatHybridMaterial",vertexWGSL:'#include "gsplatHybridVS"',fragmentWGSL:'#include "gsplatPS"',attributes:{vertex_position:Ie}}),this._material.setDefine("{GSPLAT_INSTANCE_SIZE}",Rt.instanceSize),this._material.setDefine("{CACHE_STRIDE}",Tu),this.configureMaterial(),this._material.defines.forEach((a,n)=>{this._internalDefines.add(n)}),this._internalDefines.add("{GSPLAT_INSTANCE_SIZE}"),this._internalDefines.add("{CACHE_STRIDE}"),this._internalDefines.add("GSPLAT_UNIFIED_ID"),this._internalDefines.add("PICK_CUSTOM_ID"),this._internalDefines.add("GSPLAT_OVERDRAW"),this._internalDefines.add("GSPLAT_NO_FOG"),this.meshInstance=this.createMeshInstance()}setRenderMode(e){const s=((this.renderMode??0)&xs)!==0,i=(e&xs)!==0;s&&!i&&this.layer.removeMeshInstances([this.meshInstance],!0),!s&&i&&this.layer.addMeshInstances([this.meshInstance],!0),super.setRenderMode(e)}destroy(){this.renderMode&&this.renderMode&xs&&this.layer.removeMeshInstances([this.meshInstance],!0),this._material.destroy(),this._pickMaterial?.destroy(),this.meshInstance.destroy(),this._pickMeshInstance?.destroy(),super.destroy()}get material(){return this._material}onWorkBufferFormatChanged(){this.configureMaterial()}configureMaterial(){this._material.setDefine("SH_BANDS","0"),this._material.setDefine("GSPLAT_INDIRECT_DRAW",!0),this._updateIdDefines(this._material),this._material.setDefine("DITHER_NONE",""),this._material.cull=Yt,this._material.blendType=Ui,this._material.depthWrite=!1,this._material.update()}update(e,t){this.meshInstance.instancingCount<=0&&(this.meshInstance.instancingCount=1),this.meshInstance.visible=e>0}setHybridSortedRendering(e,t,s,i){this.meshInstance.setIndirect(null,e,1),this._material.setParameter("sortedIndices",t),this._material.setParameter("projCache",s),this._material.setParameter("numSplatsStorage",i),this._computeClipToViewZ(this.cameraNode,this._clipToViewZ),this._material.setParameter("clipToViewZ",this._clipToViewZ),this.meshInstance.visible=!0,this.meshInstance.instancingCount<=0&&(this.meshInstance.instancingCount=1)}prepareForPicking(e,t,s,i,r,a,n){if(this._pickMaterial)this._updateIdDefines(this._pickMaterial)&&this._pickMaterial.update();else{this._pickMaterial=new ei({uniqueName:"UnifiedSplatHybridPickMaterial",vertexWGSL:'#include "gsplatHybridVS"',fragmentWGSL:'#include "gsplatPS"',attributes:{vertex_position:Ie}}),this._pickMaterial.setDefine("{GSPLAT_INSTANCE_SIZE}",Rt.instanceSize),this._pickMaterial.setDefine("{CACHE_STRIDE}",Tu),this._pickMaterial.setDefine("SH_BANDS","0"),this._pickMaterial.setDefine("GSPLAT_INDIRECT_DRAW",!0),this._pickMaterial.setDefine("DITHER_NONE",""),this._updateIdDefines(this._pickMaterial),this._pickMaterial.cull=Yt,this._pickMaterial.blendType=Ns,this._pickMaterial.depthWrite=!1,this._pickMaterial.update();const h=Rt.createMesh(this.device);this._pickMeshInstance=new Ne(h,this._pickMaterial),this._pickMeshInstance.node=this.node,this._pickMeshInstance.setInstancing(!0,!0),this._pickMeshInstance.instancingCount=1}const o=this._pickMaterial,c=this._pickMeshInstance;return c.setIndirect(null,e,1),o.setParameter("sortedIndices",t),o.setParameter("projCache",s),o.setParameter("numSplatsStorage",i),o.setParameter("alphaClip",r),o.setParameter("alphaClipForward",a),this._clipToViewZPick??(this._clipToViewZPick=new Float32Array(4)),this._computeClipToViewZ(n,this._clipToViewZPick),o.setParameter("clipToViewZ",this._clipToViewZPick),c}_computeClipToViewZ(e,t){const s=e.camera,i=s.camera;if(this.fisheyeProj.enabled){const n=i.nearClip,o=i.farClip;t[0]=0,t[1]=0,t[2]=o-n,t[3]=n;return}const r=!!s.renderTarget?.flipY;v0.copy(cs.applyShaderProjectionTransform(i.projectionMatrix,hV,r,this.device.isWebGPU)).invert();const a=v0.data;t[0]=-a[2],t[1]=-a[6],t[2]=-a[10],t[3]=-a[14]}setCpuSortedRendering(){this.meshInstance.setIndirect(null,-1),this.meshInstance.visible=!1}setOrderData(){}frameUpdate(e){this._material.setParameter("alphaClip",e.alphaClip),this._material.setParameter("alphaClipForward",e.alphaClipForward),this._pickMaterial?.setParameter("alphaClip",e.alphaClip),this._pickMaterial?.setParameter("alphaClipForward",e.alphaClipForward),e.colorRamp&&this._material.setParameter("colorRampIntensity",e.colorRampIntensity);const t=!e.useFog;t!==this._lastNoFog&&(this._lastNoFog=t,this._material.setDefine("GSPLAT_NO_FOG",t),this._material.update(

13455))}_updateIdDefines(e){const t=!!this.workBuffer.format.getStream("pcId"),s=e.getDefine("GSPLAT_UNIFIED_ID")!==t||e.getDefine("PICK_CUSTOM_ID")!==t;return e.setDefine("GSPLAT_UNIFIED_ID",t),e.setDefine("PICK_CUSTOM_ID",t),s}updateOverdrawMode(e){const t=!!e.colorRamp,s=this._material.getDefine("GSPLAT_OVERDRAW");t&&(this._material.setParameter("colorRamp",e.colorRamp),this._material.setParameter("colorRampIntensity",e.colorRampIntensity)),t!==s&&(this._material.setDefine("GSPLAT_OVERDRAW",t),t?(this.originalBlendType=this._material.blendType,this._material.blendType=nn):this._material.blendType=this.originalBlendType,this._material.update())}createMeshInstance(){const e=Rt.createMesh(this.device),t=new Ne(e,this._material);t.node=this.node,t.setInstancing(!0,!0),t.instancingCount=0,t.pick=!1;const s=this.cameraNode.camera;return t.isVisibleFunc=i=>{const r=this.renderMode??0;return s.camera===i&&r&xs?!0:(i.node?.name===kg,!1)},t}}class uV extends gn{renderer;constructor(e){super(e.device),this.renderer=e,this.name="FramePassGSplatComputeLocal"}frameUpdate(){const e=this.renderer,t=e.cameraNode.camera,s=t.renderTarget,i=s?s.width:this.device.width,r=s?s.height:this.device.height,a=t.rect,n=Math.floor(i*a.z),o=Math.floor(r*a.w);e.resizeOutputTexture(n,o)}execute(){this.renderer.dispatch()}}const fV=`
13456@group(0) @binding(0) var<storage, read> sortElementCount: array<u32>;
13457@group(0) @binding(1) var<storage, read_write> dispatchArgs: array<u32>;
13458@compute @workgroup_size(1)
13459fn main() {
13460	let count = sortElementCount[0];
13461	let maxDim = {MAX_DIM}u;
13462	let countWg = (count + {SPLATS_PER_WG_MINUS_1}u) / {SPLATS_PER_WG}u;
13463	if (countWg <= maxDim) {
13464		dispatchArgs[0] = countWg;
13465		dispatchArgs[1] = 1u;
13466	} else {
13467		let y = (countWg + maxDim - 1u) / maxDim;
13468		let x = (countWg + y - 1u) / y;
13469		dispatchArgs[0] = x;
13470		dispatchArgs[1] = y;
13471	}
13472	dispatchArgs[2] = 1u;
13473	let placeWg = (count + 255u) / 256u;
13474	if (placeWg <= maxDim) {
13475		dispatchArgs[3] = placeWg;
13476		dispatchArgs[4] = 1u;
13477	} else {
13478		let y = (placeWg + maxDim - 1u) / maxDim;
13479		let x = (placeWg + y - 1u) / y;
13480		dispatchArgs[3] = x;
13481		dispatchArgs[4] = y;
13482	}
13483	dispatchArgs[5] = 1u;
13484}
13485`,pV=`
13486@group(0) @binding(0) var<storage, read> countersBuffer: array<u32>;
13487@group(0) @binding(1) var<storage, read_write> dispatchArgs: array<u32>;
13488@group(0) @binding(2) var<storage, read> largeSplatIds: array<u32>;
13489@compute @workgroup_size(1)
13490fn main() {
13491	let count = min(countersBuffer[1], arrayLength(&largeSplatIds));
13492	let maxDim = {MAX_DIM}u;
13493	if (count <= maxDim) {
13494		dispatchArgs[0] = count;
13495		dispatchArgs[1] = 1u;
13496	} else {
13497		let y = (count + maxDim - 1u) / maxDim;
13498		let x = (count + y - 1u) / y;
13499		dispatchArgs[0] = x;
13500		dispatchArgs[1] = y;
13501	}
13502	dispatchArgs[2] = 1u;
13503}
13504`,mV=`
13505#include "gsplatCommonCS"
13506#include "gsplatTileIntersectCS"
13507const MAX_TILE_ENTRIES: u32 = 0xFFFFu;
13508const BITMASK_W: u32 = 8u;
13509const BITMASK_H: u32 = 4u;
13510const LARGE_AABB_THRESHOLD: u32 = 64u;
13511@group(0) @binding(0) var<storage, read> compactedSplatIds: array<u32>;
13512@group(0) @binding(1) var<storage, read> sortElementCount: array<u32>;
13513@group(0) @binding(2) var<storage, read_write> projCache: array<u32>;
13514@group(0) @binding(3) var<storage, read_write> tileSplatCounts: array<atomic<u32>>;
13515struct Uniforms {
13516	splatTextureSize: u32,
13517	numTilesX: u32,
13518	numTilesY: u32,
13519	viewProj: mat4x4f,
13520	viewMatrix: mat4x4f,
13521	focal: f32,
13522	viewportWidth: f32,
13523	viewportHeight: f32,
13524	nearClip: f32,
13525	farClip: f32,
13526	minPixelSize: f32,
13527	isOrtho: u32,
13528	exposure: f32,
13529	alphaClip: f32,
13530	minContribution: f32,
13531	#ifdef GSPLAT_FISHEYE
13532		fisheye_k: f32,
13533		fisheye_inv_k: f32,
13534		fisheye_projMat00: f32,
13535		fisheye_projMat11: f32,
13536	#endif
13537}
13538@group(0) @binding(4) var<uniform> uniforms: Uniforms;
13539@group(0) @binding(5) var<storage, read_write> pairBuffer: array<u32>;
13540@group(0) @binding(6) var<storage, read_write> countersBuffer: array<atomic<u32>>;
13541@group(0) @binding(7) var<storage, read_write> splatPairStart: array<u32>;
13542@group(0) @binding(8) var<storage, read_write> splatPairCount: array<u32>;
13543@group(0) @binding(9) var<storage, read_write> largeSplatIds: array<u32>;
13544@group(0) @binding(10) var<storage, read_write> depthBuffer: array<u32>;
13545#include "gsplatComputeSplatCS"
13546#include "gsplatFormatDeclCS"
13547#include "gsplatFormatReadCS"
13548#include "gsplatProjectCommonCS"
13549@compute @workgroup_size(256)
13550fn main(
13551	@builtin(global_invocation_id) gid: vec3u,
13552	@builtin(num_workgroups) numWorkgroups: vec3u
13553) {
13554	let threadIdx = gid.y * (numWorkgroups.x * 256u) + gid.x;
13555	let numVisible = sortElementCount[0];
13556	let projected = projectSplatCommon(
13557		threadIdx,
13558		numVisible,
13559		uniforms.alphaClip,
13560		uniforms.minPixelSize,
13561		uniforms.minContribution,
13562		uniforms.viewMatrix,
13563		uniforms.viewProj,
13564		uniforms.focal,
13565		uniforms.viewportWidth,

13566		uniforms.viewportHeight,
13567		uniforms.nearClip,
13568		uniforms.farClip,
13569		uniforms.isOrtho,
13570		#ifdef GSPLAT_FISHEYE
13571			uniforms.fisheye_k, uniforms.fisheye_inv_k,
13572			uniforms.fisheye_projMat00, uniforms.fisheye_projMat11,
13573		#endif
13574	);
13575	if (!projected.valid) {
13576		if (threadIdx < numVisible) {
13577			projCache[threadIdx * {CACHE_STRIDE}u + 6u] = 0u;
13578			splatPairStart[threadIdx] = 0u;
13579			splatPairCount[threadIdx] = 0u;
13580		}
13581		return;
13582	}
13583	let opacity = projected.opacity;
13584	let proj = projected.proj;
13585	let det = proj.a * proj.c - proj.b * proj.b;
13586	let invDet = 1.0 / det;
13587	let cx = 4.0 * proj.c * invDet;
13588	let cy = -4.0 * proj.b * invDet;
13589	let cz = 4.0 * proj.a * invDet;
13590	let base = threadIdx * {CACHE_STRIDE}u;
13591	projCache[base + 0u] = bitcast<u32>(proj.screen.x);
13592	projCache[base + 1u] = bitcast<u32>(proj.screen.y);
13593	projCache[base + 2u] = bitcast<u32>(cx);
13594	projCache[base + 3u] = bitcast<u32>(cy);
13595	projCache[base + 4u] = bitcast<u32>(cz);
13596#ifdef PICK_MODE
13597	let pcIdVal = loadPcId().r;
13598	projCache[base + 5u] = pcIdVal;
13599	projCache[base + 6u] = pack2x16float(vec2f(0.0, opacity));
13600#else
13601	let color = getColor();
13602	var rgb = max(color, vec3f(0.0));
13603	projCache[base + 5u] = pack2x16float(vec2f(rgb.x, rgb.y));
13604	projCache[base + 6u] = pack2x16float(vec2f(rgb.z, opacity));
13605#endif
13606	depthBuffer[threadIdx] = bitcast<u32>(proj.viewDepth);
13607	let screen = proj.screen;
13608	let eval = computeSplatTileEval(screen, cx, cy, cz, half(opacity),
13609									uniforms.viewportWidth, uniforms.viewportHeight,
13610									uniforms.alphaClip);
13611	let radiusFactor = eval.radiusFactor;
13612	projCache[base + 7u] = bitcast<u32>(-0.5 * radiusFactor);
13613	let minTileX = max(0i, i32(floor(eval.splatMin.x / f32(TILE_SIZE))));
13614	let maxTileX = min(i32(uniforms.numTilesX) - 1i, i32(floor(eval.splatMax.x / f32(TILE_SIZE))));
13615	let minTileY = max(0i, i32(floor(eval.splatMin.y / f32(TILE_SIZE))));
13616	let maxTileY = min(i32(uniforms.numTilesY) - 1i, i32(floor(eval.splatMax.y / f32(TILE_SIZE))));
13617	let aabbW = u32(maxTileX - minTileX + 1i);
13618	var deferredToLarge = false;
13619	if (maxTileX >= minTileX && maxTileY >= minTileY &&
13620		aabbW * u32(maxTileY - minTileY + 1i) > LARGE_AABB_THRESHOLD) {
13621		let idx = atomicAdd(&countersBuffer[1], 1u);
13622		if (idx < arrayLength(&largeSplatIds)) {
13623			largeSplatIds[idx] = threadIdx;
13624			deferredToLarge = true;
13625		}
13626	}
13627	if (deferredToLarge) {
13628		splatPairStart[threadIdx] = 0u;
13629		splatPairCount[threadIdx] = 0u;
13630		return;
13631	}
13632	var myPairCount: u32 = 0u;
13633	var bitmask: u32 = 0u;
13634	if (minTileX == maxTileX && minTileY == maxTileY) {
13635		myPairCount = 1u;
13636		bitmask = 1u;
13637	} else {
13638		for (var ty = minTileY; ty <= maxTileY; ty++) {
13639			for (var tx = minTileX; tx <= maxTileX; tx++) {
13640				let tMin = vec2f(f32(tx) * f32(TILE_SIZE), f32(ty) * f32(TILE_SIZE));
13641				let tMax = tMin + vec2f(f32(TILE_SIZE));
13642				if (tileIntersectsEllipse(tMin, tMax, screen, cx, cy, cz, radiusFactor)) {
13643					myPairCount++;
13644					let localX = u32(tx - minTileX);
13645					let localY = u32(ty - minTileY);
13646					if (localX < BITMASK_W && localY < BITMASK_H) {
13647						let bitIdx = localY * BITMASK_W + localX;
13648						bitmask |= (1u << bitIdx);
13649					}
13650				}
13651			}
13652		}
13653	}
13654	if (myPairCount == 0u) {
13655		splatPairStart[threadIdx] = 0u;
13656		splatPairCount[threadIdx] = 0u;
13657		return;
13658	}
13659	let pairBase = atomicAdd(&countersBuffer[0], myPairCount);
13660	splatPairStart[threadIdx] = pairBase;
13661	splatPairCount[threadIdx] = myPairCount;
13662	var j: u32 = 0u;
13663	for (var ty = minTileY; ty <= maxTileY; ty++) {
13664		for (var tx = minTileX; tx <= maxTileX; tx++) {
13665			let localX = u32(tx - minTileX);
13666			let localY = u32(ty - minTileY);
13667			var hits: bool;
13668			if (localX < BITMASK_W && localY < BITMASK_H) {
13669				let bitIdx = localY * BITMASK_W + localX;
13670				hits = (bitmask & (1u << bitIdx)) != 0u;
13671			} else {
13672				let tMin = vec2f(f32(tx) * f32(TILE_SIZE), f32(ty) * f32(TILE_SIZE));
13673				let tMax = tMin + vec2f(f32(TILE_SIZE));
13674				hits = tileIntersectsEllipse(tMin, tMax, screen, cx, cy, cz, radiusFactor);
13675			}
13676			if (hits) {
13677				let tileIdx = u32(ty) * uniforms.numTilesX + u32(tx);
13678				let localOff = atomicAdd(&tileSplatCounts[tileIdx], 1u);
13679				if (localOff < MAX_TILE_ENTRIES) {
13680					pairBuffer[pairBase + j] = (tileIdx << 16u) | (localOff & 0xFFFFu);
13681					j++;
13682				}
13683			}
13684		}
13685	}
13686	if (j != myPairCount) {
13687		splatPairCount[threadIdx] = j;
13688	}
13689}
13690`,_V=`
13691#include "gsplatCommonCS"
13692#include "gsplatTileIntersectCS"
13693const WG_SIZE: u32 = 256u;
13694const MAX_TILE_ENTRIES: u32 = 0xFFFFu;
13695@group(0) @binding(0) var<storage, read> projCache: array<u32>;
13696@group(0) @binding(1) var<storage, read_write> tileSplatCounts: array<atomic<u32>>;
13697@group(0) @binding(2) var<storage, read_write> pairBuffer: array<u32>;
13698@group(0) @binding(3) var<storage, read_write> countersBuffer: array<atomic<u32>>;
13699@group(0) @binding(4) var<storage, read_write> splatPairStart: array<u32>;
13700@group(0) @binding(5) var<storage, read_write> splatPairCount: array<u32>;
13701@group(0) @binding(6) var<storage, read> largeSplatIds: array<u32>;
13702struct Uniforms {
13703	numTilesX: u32,
13704	numTilesY: u32,
13705	viewportWidth: f32,

13706	viewportHeight: f32,
13707	alphaClip: f32,
13708}
13709@group(0) @binding(7) var<uniform> uniforms: Uniforms;
13710var<workgroup> wgPairCounts: array<u32, WG_SIZE>;
13711var<workgroup> wgPairOffsets: array<u32, WG_SIZE>;
13712var<workgroup> wgBase: u32;
13713@compute @workgroup_size(256)
13714fn main(
13715	@builtin(workgroup_id) wgId: vec3u,
13716	@builtin(num_workgroups) numWorkgroups: vec3u,
13717	@builtin(local_invocation_index) lid: u32
13718) {
13719	let largeSplatIdx = wgId.y * numWorkgroups.x + wgId.x;
13720	let count = min(atomicLoad(&countersBuffer[1]), arrayLength(&largeSplatIds));
13721	let isActive = largeSplatIdx < count;
13722	var threadIdx = u32(0);
13723	var minTileX = 0i;
13724	var maxTileX = 0i;
13725	var minTileY = 0i;
13726	var maxTileY = 0i;
13727	var aabbW = u32(0);
13728	var totalTiles = u32(0);
13729	var screen = vec2f(0.0);
13730	var cx = 0.0f;
13731	var cy = 0.0f;
13732	var cz = 0.0f;
13733	var radiusFactor = 0.0f;
13734	if (isActive) {
13735		threadIdx = largeSplatIds[largeSplatIdx];
13736		let cacheBase = threadIdx * {CACHE_STRIDE}u;
13737		screen = vec2f(bitcast<f32>(projCache[cacheBase + 0u]), bitcast<f32>(projCache[cacheBase + 1u]));
13738		cx = bitcast<f32>(projCache[cacheBase + 2u]);
13739		cy = bitcast<f32>(projCache[cacheBase + 3u]);
13740		cz = bitcast<f32>(projCache[cacheBase + 4u]);
13741		let opacity = unpack2x16float(projCache[cacheBase + 6u]).y;
13742		let eval = computeSplatTileEval(screen, cx, cy, cz, half(opacity),
13743										uniforms.viewportWidth, uniforms.viewportHeight,
13744										uniforms.alphaClip);
13745		radiusFactor = eval.radiusFactor;
13746		minTileX = max(0i, i32(floor(eval.splatMin.x / f32(TILE_SIZE))));
13747		maxTileX = min(i32(uniforms.numTilesX) - 1i, i32(floor(eval.splatMax.x / f32(TILE_SIZE))));
13748		minTileY = max(0i, i32(floor(eval.splatMin.y / f32(TILE_SIZE))));
13749		maxTileY = min(i32(uniforms.numTilesY) - 1i, i32(floor(eval.splatMax.y / f32(TILE_SIZE))));
13750		if (maxTileX >= minTileX && maxTileY >= minTileY) {
13751			aabbW = u32(maxTileX - minTileX + 1i);
13752			totalTiles = aabbW * u32(maxTileY - minTileY + 1i);
13753		}
13754	}
13755	var myHitCount: u32 = 0u;
13756	for (var i = lid; i < totalTiles; i += WG_SIZE) {
13757		let localX = i % aabbW;
13758		let localY = i / aabbW;
13759		let tx = minTileX + i32(localX);
13760		let ty = minTileY + i32(localY);
13761		let tMin = vec2f(f32(tx) * f32(TILE_SIZE), f32(ty) * f32(TILE_SIZE));
13762		let tMax = tMin + vec2f(f32(TILE_SIZE));
13763		if (tileIntersectsEllipse(tMin, tMax, screen, cx, cy, cz, radiusFactor)) {
13764			myHitCount++;
13765		}
13766	}
13767	wgPairCounts[lid] = myHitCount;
13768	workgroupBarrier();
13769	if (lid == 0u && isActive) {
13770		var sum: u32 = 0u;
13771		for (var i: u32 = 0u; i < WG_SIZE; i++) {
13772			wgPairOffsets[i] = sum;
13773			sum += wgPairCounts[i];
13774		}
13775		if (sum > 0u) {
13776			wgBase = atomicAdd(&countersBuffer[0], sum);
13777		} else {
13778			wgBase = 0u;
13779		}
13780		splatPairStart[threadIdx] = wgBase;
13781		splatPairCount[threadIdx] = sum | 0x80000000u;
13782	}
13783	workgroupBarrier();
13784	let myBase = wgBase + wgPairOffsets[lid];
13785	var j: u32 = 0u;
13786	for (var i = lid; i < totalTiles; i += WG_SIZE) {
13787		let localX = i % aabbW;
13788		let localY = i / aabbW;
13789		let tx = minTileX + i32(localX);
13790		let ty = minTileY + i32(localY);
13791		let tMin = vec2f(f32(tx) * f32(TILE_SIZE), f32(ty) * f32(TILE_SIZE));
13792		let tMax = tMin + vec2f(f32(TILE_SIZE));
13793		if (tileIntersectsEllipse(tMin, tMax, screen, cx, cy, cz, radiusFactor)) {
13794			let tileIdx = u32(ty) * uniforms.numTilesX + u32(tx);
13795			let localOff = atomicAdd(&tileSplatCounts[tileIdx], 1u);
13796			if (localOff < MAX_TILE_ENTRIES) {
13797				pairBuffer[myBase + j] = (tileIdx << 16u) | (localOff & 0xFFFFu);
13798				j++;
13799			}
13800		}
13801	}
13802	wgPairCounts[lid] = j;
13803	workgroupBarrier();
13804	if (lid == 0u && isActive) {
13805		var actualTotal: u32 = 0u;
13806		for (var i: u32 = 0u; i < WG_SIZE; i++) {
13807			actualTotal += wgPairCounts[i];
13808		}
13809		let storedCount = splatPairCount[threadIdx] & 0x7FFFFFFFu;
13810		if (actualTotal != storedCount) {
13811			splatPairCount[threadIdx] = actualTotal | 0x80000000u;
13812		}
13813	}
13814}
13815`,gV=`
13816@group(0) @binding(0) var<storage, read> pairBuffer: array<u32>;
13817@group(0) @binding(1) var<storage, read> splatPairStart: array<u32>;
13818@group(0) @binding(2) var<storage, read> splatPairCount: array<u32>;
13819@group(0) @binding(3) var<storage, read> tileSplatCounts: array<u32>;
13820@group(0) @binding(4) var<storage, read_write> tileEntries: array<u32>;
13821@group(0) @binding(5) var<storage, read> sortElementCount: array<u32>;
13822@compute @workgroup_size(256)
13823fn main(@builtin(global_invocation_id) gid: vec3u, @builtin(num_workgroups) numWorkgroups: vec3u) {
13824	let threadIdx = gid.y * (numWorkgroups.x * 256u) + gid.x;
13825	let numVisible = sortElementCount[0];
13826	if (threadIdx >= numVisible) {
13827		return;
13828	}
13829	let rawCount = splatPairCount[threadIdx];
13830	if (rawCount == 0u || (rawCount & 0x80000000u) != 0u) {
13831		return;
13832	}
13833	let count = rawCount;
13834	let start = splatPairStart[threadIdx];
13835	let pairLen = arrayLength(&pairBuffer);
13836	let tileEntriesLen = arrayLength(&tileEntries);
13837	for (var j: u32 = 0u; j < count; j++) {
13838		let pairIdx = start + j;
13839		if (pairIdx >= pairLen) { break; }

13840		let packed = pairBuffer[pairIdx];
13841		let tileIdx = packed >> 16u;
13842		let localOff = packed & 0xFFFFu;
13843		let entryIdx = tileSplatCounts[tileIdx] + localOff;
13844		if (entryIdx < tileEntriesLen) {
13845			tileEntries[entryIdx] = threadIdx;
13846		}
13847	}
13848}
13849`,vV=`
13850const WG_SIZE: u32 = 256u;
13851@group(0) @binding(0) var<storage, read> pairBuffer: array<u32>;
13852@group(0) @binding(1) var<storage, read> splatPairStart: array<u32>;
13853@group(0) @binding(2) var<storage, read> splatPairCount: array<u32>;
13854@group(0) @binding(3) var<storage, read> tileSplatCounts: array<u32>;
13855@group(0) @binding(4) var<storage, read_write> tileEntries: array<u32>;
13856@group(0) @binding(5) var<storage, read> largeSplatIds: array<u32>;
13857@group(0) @binding(6) var<storage, read> countersBuffer: array<u32>;
13858@compute @workgroup_size(256)
13859fn main(
13860	@builtin(workgroup_id) wgId: vec3u,
13861	@builtin(num_workgroups) numWorkgroups: vec3u,
13862	@builtin(local_invocation_index) lid: u32
13863) {
13864	let largeSplatIdx = wgId.y * numWorkgroups.x + wgId.x;
13865	let numLarge = min(countersBuffer[1], arrayLength(&largeSplatIds));
13866	if (largeSplatIdx >= numLarge) {
13867		return;
13868	}
13869	let threadIdx = largeSplatIds[largeSplatIdx];
13870	let pairCount = splatPairCount[threadIdx] & 0x7FFFFFFFu;
13871	if (pairCount == 0u) {
13872		return;
13873	}
13874	let start = splatPairStart[threadIdx];
13875	let pairLen = arrayLength(&pairBuffer);
13876	let tileEntriesLen = arrayLength(&tileEntries);
13877	for (var j = lid; j < pairCount; j += WG_SIZE) {
13878		let pairIdx = start + j;
13879		if (pairIdx >= pairLen) { break; }
13880		let packed = pairBuffer[pairIdx];
13881		let tileIdx = packed >> 16u;
13882		let localOff = packed & 0xFFFFu;
13883		let entryIdx = tileSplatCounts[tileIdx] + localOff;
13884		if (entryIdx < tileEntriesLen) {
13885			tileEntries[entryIdx] = threadIdx;
13886		}
13887	}
13888}
13889`,SV=`
13890#include "gsplatLocalBitonicCS"
13891@group(0) @binding(0) var<storage, read_write> tileEntries: array<u32>;
13892@group(0) @binding(1) var<storage, read> tileSplatCounts: array<u32>;
13893@group(0) @binding(2) var<storage, read> depthBuffer: array<u32>;
13894@group(0) @binding(3) var<storage, read> smallTileList: array<u32>;
13895@group(0) @binding(4) var<storage, read> tileListCounts: array<u32>;
13896@compute @workgroup_size(256)
13897fn main(
13898	@builtin(local_invocation_index) localIdx: u32,
13899	@builtin(workgroup_id) wid: vec3u,
13900	@builtin(num_workgroups) numWorkgroups: vec3u
13901) {
13902	let workgroupIdx = wid.y * numWorkgroups.x + wid.x;
13903	if (workgroupIdx >= tileListCounts[0]) {
13904		return;
13905	}
13906	let tileIdx = smallTileList[workgroupIdx];
13907	let tStart = tileSplatCounts[tileIdx];
13908	let tEnd = tileSplatCounts[tileIdx + 1u];
13909	let count = tEnd - tStart;
13910	bitonicSortRange(localIdx, tStart, count);
13911}
13912`;var Bf=`
13913fn calcDispatch2D(count: u32, maxDim: u32) -> vec2u {
13914	if (count <= maxDim) {
13915		return vec2u(count, 1u);
13916	}
13917	let y = (count + maxDim - 1u) / maxDim;
13918	let x = (count + y - 1u) / y;
13919	return vec2u(x, y);
13920}
13921`;const yV=`
13922${Of}
13923${Bf}
13924const MAX_TILE_ENTRIES: u32 = 4096u;
13925const CLASSIFY_WORKGROUP: u32 = 256u;
13926@group(0) @binding(0) var<storage, read> tileSplatCounts: array<u32>;
13927@group(0) @binding(1) var<storage, read_write> smallTileList: array<u32>;
13928@group(0) @binding(2) var<storage, read_write> largeTileList: array<u32>;
13929@group(0) @binding(3) var<storage, read_write> rasterizeTileList: array<u32>;
13930@group(0) @binding(4) var<storage, read_write> tileListCounts: array<atomic<u32>>;
13931@group(0) @binding(5) var<storage, read_write> indirectDispatchArgs: array<u32>;
13932@group(0) @binding(6) var<storage, read_write> largeTileOverflowBases: array<u32>;
13933@group(0) @binding(8) var<storage, read_write> indirectDrawArgs: array<DrawIndirectArgs>;
13934struct Uniforms {
13935	numTiles: u32,
13936	dispatchSlotOffset: u32,
13937	bufferCapacity: u32,
13938	maxWorkgroupsPerDim: u32,
13939	drawSlot: u32,
13940}
13941@group(0) @binding(7) var<uniform> uniforms: Uniforms;
13942@compute @workgroup_size(256)
13943fn main(@builtin(local_invocation_index) localIdx: u32) {
13944	let numTiles = uniforms.numTiles;
13945	let totalEntries = tileSplatCounts[numTiles];
13946	for (var i: u32 = localIdx; i < numTiles; i += CLASSIFY_WORKGROUP) {
13947		let tStart = tileSplatCounts[i];
13948		let tEnd = tileSplatCounts[i + 1u];
13949		let count = tEnd - tStart;
13950		if (count == 0u || tEnd > uniforms.bufferCapacity) {
13951			continue;
13952		}
13953		let rIdx = atomicAdd(&tileListCounts[2], 1u);
13954		rasterizeTileList[rIdx] = i;
13955		if (count <= MAX_TILE_ENTRIES) {

13956			let sIdx = atomicAdd(&tileListCounts[0], 1u);
13957			smallTileList[sIdx] = i;
13958		} else {
13959			let overflowOffset = atomicAdd(&tileListCounts[3], count);
13960			let lIdx = atomicAdd(&tileListCounts[1], 1u);
13961			largeTileList[lIdx] = i;
13962			largeTileOverflowBases[lIdx] = totalEntries + overflowOffset;
13963		}
13964	}
13965	workgroupBarrier();
13966	if (localIdx == 0u) {
13967		let smallCount = atomicLoad(&tileListCounts[0]);
13968		let largeCount = atomicLoad(&tileListCounts[1]);
13969		let rasterizeCount = atomicLoad(&tileListCounts[2]);
13970		let off = uniforms.dispatchSlotOffset;
13971		let maxDim = uniforms.maxWorkgroupsPerDim;
13972		let smallDim = calcDispatch2D(smallCount, maxDim);
13973		indirectDispatchArgs[off + 0u] = smallDim.x;
13974		indirectDispatchArgs[off + 1u] = smallDim.y;
13975		indirectDispatchArgs[off + 2u] = 1u;
13976		let largeDim = calcDispatch2D(largeCount, maxDim);
13977		indirectDispatchArgs[off + 3u] = largeDim.x;
13978		indirectDispatchArgs[off + 4u] = largeDim.y;
13979		indirectDispatchArgs[off + 5u] = 1u;
13980		let rasterDim = calcDispatch2D(rasterizeCount, maxDim);
13981		indirectDispatchArgs[off + 6u] = rasterDim.x;
13982		indirectDispatchArgs[off + 7u] = rasterDim.y;
13983		indirectDispatchArgs[off + 8u] = 1u;
13984		indirectDrawArgs[uniforms.drawSlot] = DrawIndirectArgs(rasterizeCount * 6u, 1u, 0u, 0u, 0u);
13985	}
13986}
13987`,xV=128,TV=`
13988const NUM_BUCKETS: u32 = ${xV}u;
13989const MAX_CHUNK_SIZE: u32 = 4096u;
13990const WG_SIZE: u32 = 256u;
13991@group(0) @binding(0) var<storage, read_write> tileEntries: array<u32>;
13992@group(0) @binding(1) var<storage, read> largeTileOverflowBases: array<u32>;
13993@group(0) @binding(2) var<storage, read> tileSplatCounts: array<u32>;
13994@group(0) @binding(3) var<storage, read> depthBuffer: array<u32>;
13995@group(0) @binding(4) var<storage, read> largeTileList: array<u32>;
13996@group(0) @binding(5) var<storage, read_write> chunkRanges: array<u32>;
13997@group(0) @binding(6) var<storage, read_write> totalChunks: array<atomic<u32>>;
13998@group(0) @binding(7) var<storage, read> tileListCounts: array<u32>;
13999struct Uniforms {
14000	bufferCapacity: u32,
14001	maxChunks: u32,
14002}
14003@group(0) @binding(8) var<uniform> uniforms: Uniforms;
14004var<workgroup> sDepthMin: atomic<u32>;
14005var<workgroup> sDepthMax: atomic<u32>;
14006var<workgroup> sBucketCounts: array<atomic<u32>, NUM_BUCKETS>;
14007var<workgroup> sBucketOffsets: array<u32, NUM_BUCKETS + 1>;
14008var<workgroup> sBucketCursors: array<atomic<u32>, NUM_BUCKETS>;
14009@compute @workgroup_size(256)
14010fn main(
14011	@builtin(local_invocation_index) localIdx: u32,
14012	@builtin(workgroup_id) wid: vec3u,
14013	@builtin(num_workgroups) numWorkgroups: vec3u
14014) {
14015	let largeTileIdx = wid.y * numWorkgroups.x + wid.x;
14016	if (largeTileIdx >= tileListCounts[1]) {
14017		return;
14018	}
14019	let tileIdx = largeTileList[largeTileIdx];
14020	let tStart = tileSplatCounts[tileIdx];
14021	let tEnd = tileSplatCounts[tileIdx + 1u];
14022	let count = tEnd - tStart;
14023	let overflowBase = largeTileOverflowBases[largeTileIdx];
14024	if (overflowBase + count > uniforms.bufferCapacity) {
14025		return;
14026	}
14027	if (localIdx == 0u) {
14028		atomicStore(&sDepthMin, 0xFFFFFFFFu);
14029		atomicStore(&sDepthMax, 0u);
14030	}
14031	if (localIdx < NUM_BUCKETS) {
14032		atomicStore(&sBucketCounts[localIdx], 0u);
14033		atomicStore(&sBucketCursors[localIdx], 0u);
14034	}
14035	workgroupBarrier();
14036	for (var i: u32 = localIdx; i < count; i += WG_SIZE) {
14037		let entryIdx = tileEntries[tStart + i];
14038		let depthU = depthBuffer[entryIdx];
14039		atomicMin(&sDepthMin, depthU);
14040		atomicMax(&sDepthMax, depthU);
14041	}
14042	workgroupBarrier();
14043	let depthMinU = atomicLoad(&sDepthMin);
14044	let depthMaxU = atomicLoad(&sDepthMax);
14045	let depthMin = bitcast<f32>(depthMinU);
14046	let depthMax = bitcast<f32>(depthMaxU);
14047	let logMin = log(max(depthMin, 1e-6));
14048	let logRange = log(max(depthMax, 1e-6)) - logMin;
14049	let bucketScale = select(f32(NUM_BUCKETS) / logRange, 0.0, logRange < 1e-10);
14050	for (var i: u32 = localIdx; i < count; i += WG_SIZE) {
14051		let entryIdx = tileEntries[tStart + i];
14052		let depth = bitcast<f32>(depthBuffer[entryIdx]);
14053		let bucket = min(u32((log(max(depth, 1e-6)) - logMin) * bucketScale), NUM_BUCKETS - 1u);
14054		atomicAdd(&sBucketCounts[bucket], 1u);
14055		tileEntries[overflowBase + i] = entryIdx;
14056	}
14057	workgroupBarrier();
14058	if (localIdx == 0u) {
14059		sBucketOffsets[0] = 0u;
14060		for (var b: u32 = 0u; b < NUM_BUCKETS; b++) {
14061			sBucketOffsets[b + 1u] = sBucketOffsets[b] + atomicLoad(&sBucketCounts[b]);
14062		}
14063	}
14064	workgroupBarrier();
14065	for (var i: u32 = localIdx; i < count; i += WG_SIZE) {
14066		let entryIdx = tileEntries[overflowBase + i];
14067		let depth = bitcast<f32>(depthBuffer[entryIdx]);
14068		let bucket = min(u32((log(max(depth, 1e-6)) - logMin) * bucketScale), NUM_BUCKETS - 1u);
14069		let writePos = sBucketOffsets[bucket] + atomicAdd(&sBucketCurs

14069ors[bucket], 1u);
14070		tileEntries[tStart + writePos] = entryIdx;
14071	}
14072	workgroupBarrier();
14073	if (localIdx == 0u) {
14074		var chunkStart: u32 = 0u;
14075		var currentSize: u32 = 0u;
14076		let maxChunks = uniforms.maxChunks;
14077		for (var b: u32 = 0u; b < NUM_BUCKETS; b++) {
14078			var bRemaining = sBucketOffsets[b + 1u] - sBucketOffsets[b];
14079			if (bRemaining == 0u) {
14080				continue;
14081			}
14082			while (bRemaining > 0u) {
14083				let space = MAX_CHUNK_SIZE - currentSize;
14084				let take = min(bRemaining, space);
14085				currentSize += take;
14086				bRemaining -= take;
14087				if (currentSize == MAX_CHUNK_SIZE) {
14088					let cIdx = atomicAdd(&totalChunks[0], 1u);
14089					if (cIdx < maxChunks) {
14090						chunkRanges[cIdx * 2u] = tStart + chunkStart;
14091						chunkRanges[cIdx * 2u + 1u] = currentSize;
14092					}
14093					chunkStart += currentSize;
14094					currentSize = 0u;
14095				}
14096			}
14097		}
14098		if (currentSize > 0u) {
14099			let cIdx = atomicAdd(&totalChunks[0], 1u);
14100			if (cIdx < maxChunks) {
14101				chunkRanges[cIdx * 2u] = tStart + chunkStart;
14102				chunkRanges[cIdx * 2u + 1u] = currentSize;
14103			}
14104		}
14105	}
14106}
14107`,wV=`
14108#include "gsplatLocalBitonicCS"
14109@group(0) @binding(0) var<storage, read_write> tileEntries: array<u32>;
14110@group(0) @binding(1) var<storage, read> depthBuffer: array<u32>;
14111@group(0) @binding(2) var<storage, read> chunkRanges: array<u32>;
14112@group(0) @binding(3) var<storage, read> totalChunks: array<u32>;
14113struct Uniforms {
14114	maxChunks: u32,
14115}
14116@group(0) @binding(4) var<uniform> uniforms: Uniforms;
14117@compute @workgroup_size(256)
14118fn main(
14119	@builtin(local_invocation_index) localIdx: u32,
14120	@builtin(workgroup_id) wid: vec3u,
14121	@builtin(num_workgroups) numWorkgroups: vec3u
14122) {
14123	let chunkIdx = wid.y * numWorkgroups.x + wid.x;
14124	if (chunkIdx >= min(totalChunks[0], uniforms.maxChunks)) {
14125		return;
14126	}
14127	let tStart = chunkRanges[chunkIdx * 2u];
14128	let count = chunkRanges[chunkIdx * 2u + 1u];
14129	bitonicSortRange(localIdx, tStart, count);
14130}
14131`,CV=`
14132${Bf}
14133@group(0) @binding(0) var<storage, read> totalChunks: array<u32>;
14134@group(0) @binding(1) var<storage, read_write> chunkSortIndirect: array<u32>;
14135struct Uniforms {
14136	maxChunks: u32,
14137	maxWorkgroupsPerDim: u32,
14138}
14139@group(0) @binding(2) var<uniform> uniforms: Uniforms;
14140@compute @workgroup_size(1)
14141fn main() {
14142	let count = min(totalChunks[0], uniforms.maxChunks);
14143	let dim = calcDispatch2D(count, uniforms.maxWorkgroupsPerDim);
14144	chunkSortIndirect[0] = dim.x;
14145	chunkSortIndirect[1] = dim.y;
14146	chunkSortIndirect[2] = 1u;
14147}
14148`,EV=`
14149const MAX_TILE_ENTRIES: u32 = 4096u;
14150const INDEX_BITS: u32 = 12u;
14151const INDEX_MASK: u32 = 0xFFFu;
14152const DEPTH_LEVELS: f32 = 1048575.0;
14153const BITONIC_WG_SIZE: u32 = 256u;
14154var<workgroup> sData: array<u32, 4096>;
14155var<workgroup> sDepthMin: atomic<u32>;
14156var<workgroup> sDepthMax: atomic<u32>;
14157fn insertZeroBit(v: u32, bitPos: u32) -> u32 {
14158	let mask = (1u << bitPos) - 1u;
14159	return ((v >> bitPos) << (bitPos + 1u)) | (v & mask);
14160}
14161fn bitonicSortRange(localIdx: u32, tStart: u32, count: u32) {
14162	let clampedCount = min(count, MAX_TILE_ENTRIES);
14163	if (clampedCount <= 1u) {
14164		return;
14165	}
14166	if (localIdx == 0u) {
14167		atomicStore(&sDepthMin, 0xFFFFFFFFu);
14168		atomicStore(&sDepthMax, 0u);
14169	}
14170	var sortN: u32 = 1u;
14171	while (sortN < clampedCount) {
14172		sortN = sortN << 1u;
14173	}
14174	for (var i: u32 = localIdx; i < sortN; i += BITONIC_WG_SIZE) {
14175		if (i < clampedCount) {
14176			let entryIdx = tileEntries[tStart + i];
14177			sData[i] = depthBuffer[entryIdx];
14178		} else {
14179			sData[i] = 0xFFFFFFFFu;
14180		}
14181	}
14182	workgroupBarrier();
14183	for (var i: u32 = localIdx; i < clampedCount; i += BITONIC_WG_SIZE) {
14184		atomicMin(&sDepthMin, sData[i]);
14185		atomicMax(&sDepthMax, sData[i]);
14186	}
14187	workgroupBarrier();
14188	let depthMinU = atomicLoad(&sDepthMin);
14189	let depthMaxU = atomicLoad(&sDepthMax);
14190	let depthMin = bitcast<f32>(depthMinU);
14191	let depthMax = bitcast<f32>(depthMaxU);
14192	let logMin = log(max(depthMin, 1e-6));
14193	let logRange = log(max(depthMax, 1e-6)) - logMin;
14194	let invLogRange = select(DEPTH_LEVELS / logRange, 0.0, logRange < 1e-10);
14195	for (var i: u32 = localIdx; i < sortN; i += BITONIC_WG_SIZE) {
14196		if (i < clampedCount) {
14197			let depth = bitcast<f32>(sData[i]);
14198			let logDepth = log(max(depth, 1e-6));
14199			let depth20 = min(u32((logDepth - logMin) * invLogRange + 0.5), u32(DEPTH_LEVELS));
14200			sData[i] = (depth20 << INDEX_BITS) | i;
14201		} else {
14202			sData[i] = 0xFFFFFFFFu;
14203		}
14204	}
14205	workgroupBarrier();
14206	for (var k: u32 = 2u; k <= sortN; k = k << 1u) {
14207		for (var j: u32 = k >> 1u; j > 0u; j = j >> 1u) {
14208			let bitPos = countTrailingZeros(j);
14209			let halfN = sortN >> 1u;
14210			for (var c: u32 = localIdx; c < halfN; c += BITONIC_WG_SIZE) {
14211				let l = insertZeroBit(c, bitPos);
14212				let r = l | j;
14213				let ascending = (l & k) == 0u;
14214				let shouldSwap = select(sData[l] < sData[r], sData[l] > sData[r], ascending);
14215				if (shouldSwap) {
14216					let tmp = sData[l]; sData[l] = sData[r]; sData[r] = tmp;
14217				}
14218			}
14219			workgroupBarrier();
14220		}
14221	}
14222	for (var i: u32 = localIdx; i < clampedCount; i += BITONIC_WG_SIZE) {
14223		let localIndex = sData[i] & INDEX_MASK;

14224		sData[i] = tileEntries[tStart + localIndex];
14225	}
14226	workgroupBarrier();
14227	for (var i: u32 = localIdx; i < clampedCount; i += BITONIC_WG_SIZE) {
14228		tileEntries[tStart + i] = sData[i];
14229	}
14230}
14231`,gC=`
14232struct ProjectedSplatCommon {
14233	valid: bool,
14234	splatId: u32,
14235	center: vec3f,
14236	opacity: f32,
14237	proj: SplatCov2D
14238}
14239fn invalidProjectedSplatCommon() -> ProjectedSplatCommon {
14240	var cov: SplatCov2D;
14241	cov.screen = vec2f(0.0);
14242	cov.a = 0.0;
14243	cov.b = 0.0;
14244	cov.c = 0.0;
14245	cov.viewDepth = 0.0;
14246	cov.valid = false;
14247	return ProjectedSplatCommon(false, 0u, vec3f(0.0), 0.0, cov);
14248}
14249fn projectSplatCommon(
14250	threadIdx: u32,
14251	numVisible: u32,
14252	alphaClip: f32,
14253	minPixelSize: f32,
14254	minContribution: f32,
14255	viewMatrix: mat4x4f,
14256	viewProj: mat4x4f,
14257	focal: f32,
14258	viewportWidth: f32,
14259	viewportHeight: f32,
14260	nearClip: f32,
14261	farClip: f32,
14262	isOrtho: u32,
14263	#ifdef GSPLAT_FISHEYE
14264		fisheye_k: f32,
14265		fisheye_inv_k: f32,
14266		fisheye_projMat00: f32,
14267		fisheye_projMat11: f32,
14268	#endif
14269) -> ProjectedSplatCommon {
14270	if (threadIdx >= numVisible) {
14271		return invalidProjectedSplatCommon();
14272	}
14273	let splatId = compactedSplatIds[threadIdx];
14274	setSplat(splatId);
14275	let center = getCenter();
14276	let opacity = getOpacity();
14277	if (opacity <= alphaClip) {
14278		return invalidProjectedSplatCommon();
14279	}
14280	let rotation = half4(getRotation());
14281	let scale = half3(getScale());
14282	let proj = computeSplatCov(
14283		center, rotation, scale,
14284		viewMatrix, viewProj,
14285		focal, viewportWidth, viewportHeight,
14286		nearClip, farClip, opacity, minPixelSize,
14287		isOrtho, alphaClip, minContribution,
14288		#ifdef GSPLAT_FISHEYE
14289			fisheye_k, fisheye_inv_k,
14290			fisheye_projMat00, fisheye_projMat11,
14291		#endif
14292	);
14293	if (!proj.valid) {
14294		return invalidProjectedSplatCommon();
14295	}
14296	return ProjectedSplatCommon(true, splatId, center, opacity, proj);
14297}
14298`,vC=`
14299#include "halfTypesCS"
14300const TILE_SIZE: u32 = 16u;
14301fn quatToMat3(r: half4) -> half3x3 {
14302	let r2: half4 = r + r;
14303	let x: half   = r2.x * r.w;
14304	let y: half4  = r2.y * r;
14305	let z: half4  = r2.z * r;
14306	let w: half   = r2.w * r.w;
14307	return half3x3(
14308		half(1.0) - z.z - w,  y.z + x,			  y.w - z.x,
14309		y.z - x,			  half(1.0) - y.y - w,   z.w + y.x,
14310		y.w + z.x,			z.w - y.x,			 half(1.0) - y.y - z.z
14311	);
14312}
14313struct SplatCov2D {
14314	screen: vec2f,
14315	a: f32,
14316	b: f32,
14317	c: f32,
14318	viewDepth: f32,
14319	valid: bool,
14320	#if GSPLAT_AA
14321		aaFactor: f32,
14322	#endif
14323}
14324fn computeSplatCov(
14325	worldCenter: vec3f,
14326	rotation: half4,
14327	scale: half3,
14328	viewMatrix: mat4x4f,
14329	viewProj: mat4x4f,
14330	focal: f32,
14331	viewportWidth: f32,
14332	viewportHeight: f32,
14333	nearClip: f32,
14334	farClip: f32,
14335	opacity: f32,
14336	minPixelSize: f32,
14337	isOrtho: u32,
14338	alphaClip: f32,
14339	minContribution: f32,
14340	#ifdef GSPLAT_FISHEYE
14341		fisheye_k: f32,
14342		fisheye_inv_k: f32,
14343		fisheye_projMat00: f32,
14344		fisheye_projMat11: f32,
14345	#endif
14346) -> SplatCov2D {
14347	var result: SplatCov2D;
14348	result.valid = false;
14349	let viewCenter = (viewMatrix * vec4f(worldCenter, 1.0)).xyz;
14350	#ifdef GSPLAT_FISHEYE
14351		let fv = viewCenter;
14352		let r_xy = length(fv.xy);
14353		let neg_z = -fv.z;
14354		let theta = atan2(r_xy, neg_z);
14355		let maxTheta = min(fisheye_k * 1.5707963, 3.13);
14356		if (theta > maxTheta - 0.01 || dot(fv, fv) < 0.0001) {
14357			return result;
14358		}
14359		let tk = theta * fisheye_inv_k;
14360		let sin_tk = sin(tk);
14361		let cos_tk = cos(tk);
14362		let g_theta = fisheye_k * sin_tk / cos_tk;
14363		let fisheye_s = select(select(0.0, 1.0 / neg_z, neg_z > 0.0), g_theta / r_xy, r_xy > 1e-4);
14364		let fndc = vec2f(fisheye_projMat00 * fisheye_s * fv.x, fisheye_projMat11 * fisheye_s * fv.y);
14365		let screen = vec2f(
14366			(fndc.x * 0.5 + 0.5) * viewportWidth,
14367			(fndc.y * 0.5 + 0.5) * viewportHeight
14368		);
14369	#else
14370		if (viewCenter.z > 0.0) {
14371			return result;
14372		}
14373		let clip = viewProj * vec4f(worldCenter, 1.0);
14374		let ndc = clip.xy / clip.w;
14375		let screen = vec2f(
14376			(ndc.x * 0.5 + 0.5) * viewportWidth,
14377			(ndc.y * 0.5 + 0.5) * viewportHeight
14378		);
14379	#endif
14380	let rot: half3x3 = quatToMat3(rotation);
14381	let s: vec3f = vec3f(scale);
14382	let M: mat3x3f = transpose(mat3x3f(
14383		s.x * vec3f(rot[0]),
14384		s.y * vec3f(rot[1]),
14385		s.z * vec3f(rot[2])
14386	));
14387	let w0 = vec3f(viewMatrix[0].x, viewMatrix[1].x, viewMatrix[2].x);
14388	let w1 = vec3f(viewMatrix[0].y, viewMatrix[1].y, viewMatrix[2].y);
14389	let w2 = vec3f(viewMatrix[0].z, viewMatrix[1].z, viewMatrix[2].z);
14390	#ifdef GSPLAT_FISHEYE
14391		let fisheyeFocal = viewportWidth * fisheye_projMat00;
14392		let g_prime = 1.0 / (cos_tk * cos_tk);
14393		let d2 = dot(fv, fv);
14394		let r_sq = max(r_xy * r_xy, 1e-8);
14395		let K_coeff = select(0.0, (g_prime * neg_z / d2 - fisheye_s) / r_sq, r_xy > 1e-4);
14396		let Jxx = fisheyeFocal * (fisheye_s + K_coeff * fv.x * fv.x);
14397		let Jxy = fisheyeFocal * K_coeff * fv.x * fv.y;
14398		let Jyy = fisheyeFocal * (fisheye_s + K_coeff * fv.y * fv.y);
14399		let Jzx = fisheyeFocal * g_prime * fv.x / d2;
14400		let Jzy = fisheyeFocal * g_prime * fv.y / d2;
14401		let tt0 = Jxx * w0 + Jxy * w1 + Jzx * w2;
14402		let tt1 = Jxy * w0 + Jyy * w1 + Jzy * w2;
14403	#else
14404		let ortho = isOrtho == 1u;
14405		let v = select(viewCenter.xyz, vec3f(0.0, 0.0, 1.0), ortho);
14406		let vz = select(min(v.z, -0.001), v.z, ortho);
14407		let J1 = focal / vz;
14408		let J2 = -J1 / vz * v.xy;
14409		let tt0 = J1 * w0 + J2.x * w2;
14410		let tt1 = J1 * w1 + J2.y * w2;
14411	#endif
14412	let b0 = M * tt0;
14413	let b1 = M * tt1;
14414	let aRaw = dot(b0, b0);
14415	let b = dot(b0, b1);
14416	let cRaw = dot(b1, b1);
14417	let a = aRaw + 0.3;
14418	let c = cRaw + 0.3;
14419	let det = a * c - b * b;
14420	if (det <= 0.0) {
14421		return result;
14422	}
14423	#if GSPLAT_AA
14424		let detOrig = aRaw * cRaw - b * b;
14425		result.aaFactor = sqrt(max(detOrig / det, 0.0));
14426	#endif
14427	let totalContribution = opacity * 6.283185 * sqrt(det);
14428	if (totalContribution < minContribution) {
14429		return result;
14430	}

14431	let radiusFactor = computeRadiusFactor(half(opacity), alphaClip);
14432	let vmin = min(1024.0, min(viewportWidth, viewportHeight));
14433	let maxRadius = vmin;
14434	let radiusXUncapped = sqrt(2.0 * a);
14435	let radiusYUncapped = sqrt(2.0 * c);
14436	let radiusX = min(radiusXUncapped, maxRadius);
14437	let radiusY = min(radiusYUncapped, maxRadius);
14438	if (max(radiusX, radiusY) < minPixelSize) {
14439		return result;
14440	}
14441	if (screen.x + radiusX < 0.0 || screen.x - radiusX > viewportWidth ||
14442		screen.y + radiusY < 0.0 || screen.y - radiusY > viewportHeight) {
14443		return result;
14444	}
14445	let capScale = max(1.0, max(radiusXUncapped, radiusYUncapped) / maxRadius);
14446	let invCapScale2 = 1.0 / (capScale * capScale);
14447	result.screen = screen;
14448	let scaledCov = vec3f(a, b, c) * invCapScale2;
14449	result.a = scaledCov.x;
14450	result.b = scaledCov.y;
14451	result.c = scaledCov.z;
14452	#ifdef GSPLAT_FISHEYE
14453		result.viewDepth = sqrt(d2);
14454	#else
14455		result.viewDepth = -viewCenter.z;
14456	#endif
14457	result.valid = true;
14458	return result;
14459}
14460`,SC=`
14461struct SplatTileEval {
14462	radiusFactor: f32,
14463	splatMin: vec2f,
14464	splatMax: vec2f,
14465}
14466fn computeRadiusFactor(opacity: half, alphaClip: f32) -> f32 {
14467	return min(8.0, 2.0 * log(f32(opacity) / alphaClip));
14468}
14469fn computeSplatTileEval(
14470	screen: vec2f,
14471	cx: f32, cy: f32, cz: f32,
14472	opacity: half,
14473	viewportWidth: f32, viewportHeight: f32,
14474	alphaClip: f32
14475) -> SplatTileEval {
14476	let K = cx * cz - cy * cy;
14477	let a = 4.0 * cz / K;
14478	let c = 4.0 * cx / K;
14479	let radiusFactor = computeRadiusFactor(opacity, alphaClip);
14480	let vmin = min(1024.0, min(viewportWidth, viewportHeight));
14481	let radius = vec2f(min(sqrt(2.0 * a), vmin), min(sqrt(2.0 * c), vmin));
14482	var result: SplatTileEval;
14483	result.radiusFactor = radiusFactor;

14484	result.splatMin = screen - radius;
14485	result.splatMax = screen + radius;
14486	return result;
14487}
14488fn segmentIntersectsEllipse(a: f32, b: f32, c: f32, d: f32, l: f32, r: f32) -> bool {
14489	let delta = b * b - 4.0 * a * c;
14490	let t1 = (l - d) * (2.0 * a) + b;
14491	let t2 = (r - d) * (2.0 * a) + b;
14492	return delta >= 0.0 && (t1 <= 0.0 || t1 * t1 <= delta) && (t2 >= 0.0 || t2 * t2 <= delta);
14493}
14494fn tileIntersectsEllipse(
14495	tileMin: vec2f, tileMax: vec2f, center: vec2f,
14496	cx: f32, cy: f32, cz: f32,
14497	radiusFactor: f32
14498) -> bool {
14499	if (center.x >= tileMin.x && center.x <= tileMax.x &&
14500		center.y >= tileMin.y && center.y <= tileMax.y) {
14501		return true;
14502	}
14503	let w = radiusFactor;
14504	var dx: f32;
14505	if (center.x * 2.0 < tileMin.x + tileMax.x) {
14506		dx = center.x - tileMin.x;
14507	} else {
14508		dx = center.x - tileMax.x;
14509	}
14510	if (segmentIntersectsEllipse(cz, -2.0 * cy * dx, cx * dx * dx - w, center.y, tileMin.y, tileMax.y)) {
14511		return true;
14512	}
14513	var dy: f32;
14514	if (center.y * 2.0 < tileMin.y + tileMax.y) {
14515		dy = center.y - tileMin.y;
14516	} else {
14517		dy = center.y - tileMax.y;
14518	}
14519	if (segmentIntersectsEllipse(cx, -2.0 * cy * dy, cz * dy * dy - w, center.x, tileMin.x, tileMax.x)) {
14520		return true;
14521	}
14522	return false;
14523}
14524`;class bV{device;_material;_mesh;_meshInstance;_pickMaterial=null;_pickMeshInstance=null;_node;constructor(e,t,s){this.device=e,this._node=t,this._material=new ei({uniqueName:"GSplatTileComposite",vertexWGSL:'#include "gsplatTileCompositeVS"',fragmentWGSL:'#include "gsplatTileCompositePS"'}),this._material.blendType=Ui,this._material.cull=Yt,this._material.depthWrite=!1,this._material.update(),this._mesh=new at(e),this._mesh.primitive[0].type=qs,this._mesh.primitive[0].base=0,this._mesh.primitive[0].count=0,this._mesh.primitive[0].indexed=!1,this._meshInstance=new Ne(this._mesh,this._material),this._meshInstance.node=t,this._meshInstance.instancingCount=1,this._meshInstance.isVisibleFunc=s,this._meshInstance.pick=!1}destroy(){this._material.destroy(),this._mesh.destroy(),this._meshInstance.destroy(),this._pickMaterial?.destroy(),this._pickMeshInstance?.destroy()}get material(){return this._material}get meshInstance(){return this._meshInstance}update(e,t,s,i,r,a){this._meshInstance.setIndirect(null,e,1),this._material.setParameter("source",t),this._material.setParameter("rasterizeTileList",s),this._material.setParameter("numTilesX",i),this._material.setParameter("screenWidth",r),this._material.setParameter("screenHeight",a)}prepareForPicking(e,t,s,i,r,a,n){this._pickMaterial||(this._pickMaterial=new ei({uniqueName:"GSplatTileCompositePick",vertexWGSL:'#include "gsplatTileCompositeVS"',fragmentWGSL:'#include "gsplatTileCompositePS"'}),this._pickMaterial.setDefine("PICK_MODE",!0),this._pickMaterial.cull=Yt,this._pickMaterial.depthWrite=!1,this._pickMaterial.update(),this._pickMeshInstance=new Ne(this._mesh,this._pickMaterial),this._pickMeshInstance.node=this._node,this._pickMeshInstance.instancingCount=1);const o=this._pickMeshInstance,c=this._pickMaterial;return o.setIndirect(null,e,1),c.setParameter("pickIdTexture",t),c.setParameter("pickDepthTexture",s),c.setParameter("rasterizeTileList",i),c.setParameter("numTilesX",r),c.setParameter("screenWidth",a),c.setParameter("screenHeight",n),o}}const AV=`
14525#include "halfTypesCS"
14526#ifndef PICK_MODE
14527	#include "decodePS"
14528	#if FOG != NONE
14529		#include "fogMathPS"
14530		#include "gammaPS"
14531	#endif
14532#endif
14533const BATCH_SIZE: u32 = 64u;
14534const ALPHA_THRESHOLD: half = half(1.0) / half(255.0);
14535const EXP4: half = exp(half(-4.0));
14536const INV_EXP4: half = half(1.0) / (half(1.0) - EXP4);
14537struct Uniforms {
14538	screenWidth: u32,
14539	screenHeight: u32,
14540	numTilesX: u32,
14541	nearClip: f32,
14542	farClip: f32,
14543	alphaClip: f32,
14544	#if FOG != NONE
14545		fog_color: vec3f,
14546		fog_start: f32,
14547		fog_end: f32,
14548		fog_density: f32,
14549	#endif
14550}
14551@group(0) @binding(0) var<uniform> uniforms: Uniforms;
14552@group(0) @binding(1) var<storage, read> tileEntries: array<u32>;
14553@group(0) @binding(2) var<storage, read> tileSplatCounts: array<u32>;
14554@group(0) @binding(3) var<storage, read> projCache: array<u32>;
14555@group(0) @binding(4) var<storage, read> rasterizeTileList: array<u32>;
14556@group(0) @binding(5) var<storage, read> tileListCounts: array<u32>;
14557@group(0) @binding(6) var<storage, read> depthBuffer: array<u32>;
14558#ifdef PICK_MODE
14559	@group(0) @binding(7) var pickIdTexture: texture_storage_2d<r32uint, write>;
14560	@group(0) @binding(8) var pickDepthTexture: texture_storage_2d<rgba16float, write>;
14561#else
14562	@group(0) @binding(7) var outputTexture: texture_storage_2d<rgba16float, write>;
14563	#ifdef DEPTH_TEST
14564		@group(0) @binding(8) var sceneDepthMap: texture_2d<f32>;
14565	#endif
14566#endif
14567var<workgroup> sharedCenterScreen: array<vec2f, 64>;
14568var<workgroup> sharedCoeffs: array<vec3f, 64>;
14569var<workgroup> sharedPowerCutoff: array<f32, 64>;
14570#ifdef HEATMAP_MODE
14571	var<workgroup> sharedHeatCount: atomic<u32>;
14572#endif
14573#ifdef PICK_MODE
14574	var<workgroup> sharedOpacity: array<half, 64>;
14575	var<workgroup> sharedPickId: array<u32, 64>;
14576	var<workgroup> sharedViewDepth: array<f32, 64>;
14577#else
14578	var<workgroup> sharedColor: array<half4, 64>;
14579	#ifdef DEPTH_TEST
14580		var<workgroup> sharedViewDepth: array<f32, 64>;
14581	#endif
14582#endif
14583#ifdef PICK_MODE
14584fn evalSplatPick(pixelCoord: vec2f, center: vec2f, coeffX: f32, coeffY: f32, coeffXY: f32,
14585				 opacity: half, pickId: u32, viewDepth: f32, alphaClip: half,
14586				 bestPickId: ptr<function, u32>, depthAccum: ptr<function, f32>,

14587				 weightAccum: ptr<function, f32>, T: ptr<function, half>) {
14588	let dx = pixelCoord - center;
14589	let power = coeffX * dx.x * dx.x + coeffXY * dx.x * dx.y + coeffY * dx.y * dx.y;
14590	let gauss = (half(exp(power)) - EXP4) * INV_EXP4;
14591	let alpha = half(min(half(0.99), opacity * gauss));
14592	let newT = *T * (half(1.0) - alpha);
14593	let visible = power > -4.0 && alpha > ALPHA_THRESHOLD && *T >= ALPHA_THRESHOLD;
14594	if (!visible) { return; }
14595	if (alpha >= alphaClip) {
14596		if (*bestPickId == 0xFFFFFFFFu) {
14597			*bestPickId = pickId;
14598		}
14599		let normalizedDepth = saturate((viewDepth - uniforms.nearClip) / (uniforms.farClip - uniforms.nearClip));
14600		let w = f32(alpha) * f32(*T);
14601		*depthAccum += w * normalizedDepth;
14602		*weightAccum += w;
14603	}
14604	*T = newT;
14605}
14606#endif
14607#ifdef HEATMAP_MODE
14608fn heatmapColor(v: f32) -> vec3f {
14609	let t = saturate(v / 2000.0);
14610	if (t < 0.2) {
14611		return mix(vec3f(0.0, 0.0, 1.0), vec3f(0.0, 1.0, 1.0), t * 5.0);
14612	} else if (t < 0.4) {
14613		return mix(vec3f(0.0, 1.0, 1.0), vec3f(1.0, 1.0, 0.0), (t - 0.2) * 5.0);
14614	} else if (t < 0.6) {
14615		return mix(vec3f(1.0, 1.0, 0.0), vec3f(1.0, 0.0, 0.0), (t - 0.4) * 5.0);
14616	}
14617	return mix(vec3f(1.0, 0.0, 0.0), vec3f(0.15, 0.0, 0.0), (t - 0.6) * 2.5);
14618}
14619#endif
14620@compute @workgroup_size(8, 8)
14621fn main(
14622	@builtin(local_invocation_id) lid: vec3u,
14623	@builtin(local_invocation_index) localIdx: u32,
14624	@builtin(workgroup_id) wid: vec3u,
14625	@builtin(num_workgroups) numWorkgroups: vec3u
14626) {
14627	let workgroupIdx = wid.y * numWorkgroups.x + wid.x;
14628	if (workgroupIdx >= tileListCounts[2]) {
14629		return;
14630	}
14631	let tileIdx = rasterizeTileList[workgroupIdx];
14632	let tileX = tileIdx % uniforms.numTilesX;
14633	let tileY = tileIdx / uniforms.numTilesX;
14634	let tStart = tileSplatCounts[tileIdx];
14635	let tEnd = tileSplatCounts[tileIdx + 1u];
14636	let basePixel = vec2u(tileX * 16u + lid.x * 2u, tileY * 16u + lid.y * 2u);
14637	let p00 = vec2f(f32(basePixel.x) + 0.5, f32(basePixel.y) + 0.5);
14638	let p10 = p00 + vec2f(1.0, 0.0);
14639	let p01 = p00 + vec2f(0.0, 1.0);
14640	let p11 = p00 + vec2f(1.0, 1.0);
14641	#ifdef PICK_MODE
14642		var T00: half = half(1.0); var T10: half = half(1.0);
14643		var T01: half = half(1.0); var T11: half = half(1.0);
14644		var pickId00: u32 = 0xFFFFFFFFu; var pickId10: u32 = 0xFFFFFFFFu;
14645		var pickId01: u32 = 0xFFFFFFFFu; var pickId11: u32 = 0xFFFFFFFFu;
14646		var dAcc00: f32 = 0.0; var dAcc10: f32 = 0.0;
14647		var dAcc01: f32 = 0.0; var dAcc11: f32 = 0.0;
14648		var wAcc00: f32 = 0.0; var wAcc10: f32 = 0.0;
14649		var wAcc01: f32 = 0.0; var wAcc11: f32 = 0.0;
14650		let clipH = half(uniforms.alphaClip);
14651	#else
14652		var T = half4(1.0);
14653		var c00 = half3(0.0); var c10 = half3(0.0);
14654		var c01 = half3(0.0); var c11 = half3(0.0);
14655		#ifdef DEPTH_TEST
14656			var sceneDepth = vec4f(1e20);
14657			let depthY0 = uniforms.screenHeight - 1u - basePixel.y;
14658			let depthY1 = depthY0 - 1u;
14659			if (basePixel.x < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14660				sceneDepth.x = textureLoad(sceneDepthMap, vec2i(vec2u(basePixel.x, depthY0)), 0).r;
14661			}
14662			if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14663				sceneDepth.y = textureLoad(sceneDepthMap, vec2i(vec2u(basePixel.x + 1u, depthY0)), 0).r;
14664			}
14665			if (basePixel.x < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14666				sceneDepth.z = textureLoad(sceneDepthMap, vec2i(vec2u(basePixel.x, depthY1)), 0).r;
14667			}
14668			if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14669				sceneDepth.w = textureLoad(sceneDepthMap, vec2i(vec2u(basePixel.x + 1u, depthY1)), 0).r;
14670			}
14671		#endif
14672	#endif
14673	let tileCount = tEnd - tStart;
14674	#ifdef HEATMAP_MODE
14675		if (localIdx == 0u) { atomicStore(&sharedHeatCount, 0u); }
14676		workgroupBarrier();
14677		var processedCount: u32 = 0u;
14678	#endif
14679	let numBatches = (tileCount + BATCH_SIZE - 1u) / BATCH_SIZE;
14680	var threadDone = false;
14681	for (var batch: u32 = 0u; batch < numBatches; batch++) {
14682		let batchOffset = batch * BATCH_SIZE + localIdx;
14683		if (batchOffset < tileCount) {
14684			let cacheIdx = tileEntries[tStart + batchOffset];
14685			let base = cacheIdx * {CACHE_STRIDE}u;
14686			sharedCenterScreen[localIdx] = vec2f(
14687				bitcast<f32>(projCache[base + 0u]),
14688				bitcast<f32>(projCache[base + 1u])
14689			);
14690			let cx = bitcast<f32>(projCache[base + 2u]);
14691			let cy = bitcast<f32>(projCache[base + 3u]);
14692			let cz = bitcast<f32>(projCache[base + 4u]);
14693			sharedCoeffs[localIdx] = vec3f(cx * -0.5, cz * -0.5, -cy);
14694			sharedPowerCutoff[localIdx] = bitcast<f32>(projCache[base + 7u]);
14695			#ifdef PICK_MODE
14696				sharedPickId[localIdx] = projCache[base + 5u];
14697				sharedOpacity[localIdx] = half(unpack2x16float(projCache[base + 6u]).y);
14698				sharedViewDepth[localIdx] = bitcast<f32>(depthBuffer[cacheIdx]);
14699			#else
14700				let rg = unpack2x16float(projCache[base + 5u]);
14701				let ba = unpack2x16float(projCache[base + 6u]);
14702				#if FOG != NONE
14703					let viewDepth = bitcast<f32>(depthBuffer[cacheIdx]);
14704					#if (FOG == LINEAR)
14705						let fogFactor = evaluateFogFactorLinear(viewDepth, uniforms.fog_start, uniforms.fog_end);
14706					#elif (FOG == EXP)
14707						let fogFactor = evaluateFogFactorExp(viewDepth, uniforms.fog_density);
14708					#elif (FOG == EXP2)
14709						let fogFactor = evaluateFogFactorExp2(viewDepth, uniforms.fog_density);
14710					#endif
14711					var foggedColor = decodeGamma3(vec3f(rg.x, rg.y, ba.x));
14712					foggedColor = mix(uniforms.fog_color, foggedColor, fogFactor);
14713					sharedColor[localIdx] = half4(half3(gammaCorrectOutput(foggedColor)), half(ba.y));
14714				#else
14715					sharedColor[localIdx] = half4(half(rg.x), half(rg.y), half(ba.x), half(ba.y));
14716				#endif
14717				#ifdef DEPTH_TEST
14718					sharedViewDepth[localIdx] = bitcast<f32>(depthBuffer[cacheIdx]);
14719				#endif
14720			#endif
14721		}
14722		workgroupBarrier();
14723		if (!threadDone) {
14724			let batchCount = min(BATCH_SIZE, tileCount - batch * BATCH_SIZE);
14725			for (var i: u32 = 0u; i < batchCount; i++) {
14726				let center = sharedCenterScreen[i];
14727				let coeffs = sharedCoeffs[i];
14728				#ifdef PICK_MODE
14729					let splatOpacity = sharedOpacity[i];
14730					let splatPickId = sharedPickId[i];
14731					let splatDepth = sharedViewDepth[i];
14732					let d = p00 - center;
14733					let dxV = vec4f(d.x, d.x + 1.0, d.x, d.x + 1.0);
14734					let dyV = vec4f(d.y, d.y, d.y + 1.0, d.y + 1.0);
14735					let power4 = coeffs.x * dxV * dxV + coeffs.z * dxV * dyV + coeffs.y * dyV * dyV;
14736					if (all(power4 <= vec4f(sharedPowerCutoff[i]))) {
14737						continue;
14738					}
14739					evalSplatPick(p00, center, coeffs.x, coeffs.y, coeffs.z, splatOpacity, splatPickId, splatDepth, clipH, &pickId00, &dAcc00, &wAcc00, &T00);
14740					evalSplatPick(p10, center, coeffs.x, coeffs.y, coeffs.z, splatOpacity, splatPickId, splatDepth, clipH, &pickId10, &dAcc10, &wAcc10, &T10);
14741					evalSplatPick(p01, center, coeffs.x, coeffs.y, coeffs.z, splatOpacity, splatPickId, splatDepth, clipH, &pickId01, &dAcc01, &wAcc01, &T01);
14742					evalSplatPick(p11, center, coeffs.x, coeffs.y, coeffs.z, splatOpacity, splatPickId, splatDepth, clipH, &pickId11, &dAcc11, &wAcc11, &T11);
14743					if (all(vec4<half>(T00, T10, T01, T11) < half4(ALPHA_THRESHOLD))) {
14744						threadDone = true;
14745						break;
14746					}
14747				#else
14748					let splatColor = sharedColor[i];
14749					#ifdef DEPTH_TEST
14750						let splatDepth = sharedViewDepth[i];
14751						if (all(vec4f(splatDepth) > sceneDepth)) {
14752							threadDone = true;
14753							break;
14754						}
14755					#endif
14756					let d = p00 - center;
14757					let dxV = vec4f(d.x, d.x + 1.0, d.x, d.x + 1.0);
14758					let dyV = vec4f(d.y, d.y, d.y + 1.0, d.y + 1.0);
14759					let power4 = coeffs.x * dxV * dxV + coeffs.z * dxV * dyV + coeffs.y * dyV * dyV;
14760					if (all(power4 <= vec4f(sharedPowerCutoff[i]))) {
14761						continue;
14762					}
14763					let gauss4 = (half4(exp(power4)) - half4(EXP4)) * half4(INV_EXP4);
14764					let alpha4 = min(half4(0.99), half4(splatColor.a) * gauss4);
14765					let newT = T * (half4(1.0) - alpha4);

14766					var valid = (power4 > vec4f(-4.0)) & (alpha4 > half4(ALPHA_THRESHOLD)) & (T >= half4(ALPHA_THRESHOLD));
14767					#ifdef DEPTH_TEST
14768						valid = valid & (vec4f(splatDepth) <= sceneDepth);
14769					#endif
14770					let weight = alpha4 * T * select(half4(0.0), half4(1.0), valid);
14771					c00 += splatColor.rgb * weight.x;
14772					c10 += splatColor.rgb * weight.y;
14773					c01 += splatColor.rgb * weight.z;
14774					c11 += splatColor.rgb * weight.w;
14775					T = select(T, newT, valid);
14776					#ifdef HEATMAP_MODE
14777						processedCount += 1u;
14778					#endif
14779					if (all(T < half4(ALPHA_THRESHOLD))) {
14780						threadDone = true;
14781						break;
14782					}
14783				#endif
14784			}
14785		}
14786		workgroupBarrier();
14787	}
14788	#ifdef HEATMAP_MODE
14789		atomicAdd(&sharedHeatCount, processedCount);
14790		workgroupBarrier();
14791		let avgCount = f32(atomicLoad(&sharedHeatCount)) / 64.0;
14792		let heatColor = vec4f(heatmapColor(avgCount), 1.0);
14793		if (basePixel.x < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14794			textureStore(outputTexture, basePixel, heatColor);
14795		}
14796		if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14797			textureStore(outputTexture, vec2u(basePixel.x + 1u, basePixel.y), heatColor);
14798		}
14799		if (basePixel.x < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14800			textureStore(outputTexture, vec2u(basePixel.x, basePixel.y + 1u), heatColor);
14801		}
14802		if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14803			textureStore(outputTexture, vec2u(basePixel.x + 1u, basePixel.y + 1u), heatColor);
14804		}
14805	#else
14806		if (basePixel.x < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14807			#ifdef PICK_MODE
14808				textureStore(pickIdTexture, basePixel, vec4u(pickId00, 0u, 0u, 0u));
14809				textureStore(pickDepthTexture, basePixel, vec4f(dAcc00, wAcc00, 0.0, 0.0));
14810			#else
14811				textureStore(outputTexture, basePixel, vec4f(decodeGamma3(vec3f(c00)), f32(half(1.0) - T.x)));
14812			#endif
14813		}
14814		if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y < uniforms.screenHeight) {
14815			let px10 = vec2u(basePixel.x + 1u, basePixel.y);
14816			#ifdef PICK_MODE
14817				textureStore(pickIdTexture, px10, vec4u(pickId10, 0u, 0u, 0u));
14818				textureStore(pickDepthTexture, px10, vec4f(dAcc10, wAcc10, 0.0, 0.0));
14819			#else
14820				textureStore(outputTexture, px10, vec4f(decodeGamma3(vec3f(c10)), f32(half(1.0) - T.y)));
14821			#endif
14822		}
14823		if (basePixel.x < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14824			let px01 = vec2u(basePixel.x, basePixel.y + 1u);
14825			#ifdef PICK_MODE
14826				textureStore(pickIdTexture, px01, vec4u(pickId01, 0u, 0u, 0u));
14827				textureStore(pickDepthTexture, px01, vec4f(dAcc01, wAcc01, 0.0, 0.0));
14828			#else
14829				textureStore(outputTexture, px01, vec4f(decodeGamma3(vec3f(c01)), f32(half(1.0) - T.z)));
14830			#endif
14831		}
14832		if (basePixel.x + 1u < uniforms.screenWidth && basePixel.y + 1u < uniforms.screenHeight) {
14833			let px11 = vec2u(basePixel.x + 1u, basePixel.y + 1u);
14834			#ifdef PICK_MODE
14835				textureStore(pickIdTexture, px11, vec4u(pickId11, 0u, 0u, 0u));
14836				textureStore(pickDepthTexture, px11, vec4f(dAcc11, wAcc11, 0.0, 0.0));
14837			#else
14838				textureStore(outputTexture, px11, vec4f(decodeGamma3(vec3f(c11)), f32(half(1.0) - T.w)));
14839			#endif
14840		}
14841	#endif
14842}
14843`,wu=1/255,Fd=8,Kr=64,PV=8;class IV{device;pickMode;_countShader=null;_countBindGroupFormat=null;_countCompute=null;_countShaderFisheye=null;_countBindGroupFormatFisheye=null;_countComputeFisheye=null;placeEntriesCompute;largeSplatCompute;largePlaceEntriesCompute;classifyCompute;sortCompute;bucketSortCompute;copyCompute;chunkSortCompute;_rasterizeVariants=new Map;prefixSumKernel;_tileSplatCountsBuffer=null;_smallTileListBuffer=null;_largeTileListBuffer=null;_largeTileOverflowBasesBuffer=null;_rasterizeTileListBuffer=null;_tileListCountsBuffer=null;_chunkRangesBuffer=null;_totalChunksBuffer=null;_chunkSortIndirectBuffer=null;_allocatedTileCapacity=0;outputTexture=null;pickIdTexture=null;pickDepthTexture=null;constructor(e,t){this.device=e,this.pickMode=t,this.prefixSumKernel=new Gg(e),t?(this.pickIdTexture=new ce(e,{name:"GSplatLocalPickId",width:4,height:4,format:js,mipmaps:!1,minFilter:Fe,magFilter:Fe,storage:!0}),this.pickDepthTexture=new ce(e,{name:"GSplatLocalPickDepth",width:4,height:4,format:Ge,mipmaps:!1,minFilter:Fe,magFilter:Fe,storage:!0})):this.outputTexture=new ce(e,{name:"GSplatLocalComputeOutput",width:4,height:4,format:Ge,mipmaps:!1,minFilter:Fe,magFilter:Fe,storage:!0})}resizeOutputTextures(e,t){this.pickMode?(this.pickIdTexture?.resize(e,t),this.pickDepthTexture?.resize(e,t)):this.outputTexture?.resize(e,t)}ensureTileBuffers(e){const t=e+1;if(t<=this._allocatedTileCapacity)return;this._tileSplatCountsBuffer?.destroy(),this._smallTileListBuffer?.destroy(),this._largeTileListBuffer?.destroy(),this._largeTileOverflowBasesBuffer?.destroy(),this._rasterizeTileListBuffer?.destroy(),this._tileListCountsBuffer?.destroy(),this._chunkRangesBuffer?.destroy(),this._totalChunksBuffer?.destroy(),this._chunkSortIndirectBuffer?.destroy(),this._allocatedTileCapacity=t,this._tileSplatCountsBuffer=new Se(this.device,t*4,ct|Si),this._smallTileListBuffer=new Se(this.device,e*4),this._largeTileListBuffer=new Se(this.device,e*4),this._largeTileOverflowBasesBuffer=new Se(this.device,e*4),this._rasterizeTileListBuffer=new Se(this.device,e*4),this._tileListCountsBuffer=new Se(this.device,16,ct|Si);const s=e*PV;this._chunkRangesBuffer=new Se(this.device,s*8),this._totalChunksBuffer=new Se(this.device,4,ct),this._chunkSortIndirectBuffer=new Se(this.device,12,ct|Po),this.prefixSumKernel.destroyPasses()}getCountCompute(e,t){if(e){if(!this._countComputeFisheye){const{shader:s,bindGroupFormat:i}=t(this.pickMode,!0);this._countShaderFisheye=s,this._countBindGroupFormatFisheye=i;

14843const r=this.pickMode?"GSplatPickTileCountFisheye":"GSplatLocalTileCountFisheye";this._countComputeFisheye=new Qe(this.device,s,r)}return this._countComputeFisheye}if(!this._countCompute){const{shader:s,bindGroupFormat:i}=t(this.pickMode,!1);this._countShader=s,this._countBindGroupFormat=i;const r=this.pickMode?"GSplatPickTileCount":"GSplatLocalTileCount";this._countCompute=new Qe(this.device,s,r)}return this._countCompute}destroyCountResources(){this._countShader?.destroy(),this._countBindGroupFormat?.destroy(),this._countCompute?.destroy(),this._countShaderFisheye?.destroy(),this._countBindGroupFormatFisheye?.destroy(),this._countComputeFisheye?.destroy(),this._countShader=null,this._countBindGroupFormat=null,this._countCompute=null,this._countShaderFisheye=null,this._countBindGroupFormatFisheye=null,this._countComputeFisheye=null}getRasterizeCompute(e,t,s="none",i=!1){let r=e?"pick":"color";t&&(r+="-depth"),s!=="none"&&(r+=`-fog-${s}`),i&&(r+="-heatmap");let a=this._rasterizeVariants.get(r);if(!a){const{shader:n,bindGroupFormat:o}=this._createRasterizeShaderAndFormat(e,t,s,i),c=new Qe(this.device,n,`GSplatRasterize-${r}`);a={shader:n,bindGroupFormat:o,compute:c},this._rasterizeVariants.set(r,a)}return a.compute}_createRasterizeShaderAndFormat(e,t=!1,s="none",i=!1){const r=this.device,a=s!=="none",n=[new X("screenWidth",le),new X("screenHeight",le),new X("numTilesX",le),new X("nearClip",me),new X("farClip",me),new X("alphaClip",me)];a&&n.push(new X("fog_color",hs),new X("fog_start",me),new X("fog_end",me),new X("fog_density",me));const o=new vt(r,n),c=[new At("uniforms",G),new q("tileEntries",G,!0),new q("tileSplatCounts",G,!0),new q("projCache",G,!0),new q("rasterizeTileList",G,!0),new q("tileListCounts",G,!0),new q("depthBuffer",G,!0)],h=e?[new wd("pickIdTexture",js),new wd("pickDepthTexture",Ge)]:[new wd("outputTexture",Ge)],d=t?[new No("sceneDepthMap",G,ys,da,!1)]:[],u=new Ze(r,[...c,...h,...d]),f=new Map;f.set("{CACHE_STRIDE}",Fd.toString()),e&&f.set("PICK_MODE",""),t&&f.set("DEPTH_TEST",""),i&&f.set("HEATMAP_MODE",""),f.set("GAMMA","SRGB"),f.set("FOG",a?s.toUpperCase():"NONE");const p=e?void 0:new Map([["decodePS",Kl.decodePS]]);a&&p&&(p.set("fogMathPS",Kl.fogMathPS),p.set("gammaPS",Kl.gammaPS));let m="GSplatLocalRasterize";return e?m="GSplatLocalRasterizePick":t&&(m="GSplatLocalRasterizeDepth"),{shader:new tt(r,{name:m,shaderLanguage:de,cshader:AV,cdefines:f.size>0?f:void 0,cincludes:p,computeBindGroupFormat:u,computeUniformBufferFormats:{uniforms:o}}),bindGroupFormat:u}}destroy(){this.destroyCountResources();for(const{shader:e,bindGroupFormat:t,compute:s}of this._rasterizeVariants.values())s.destroy(),e.destroy(),t.destroy();this._tileSplatCountsBuffer?.destroy(),this._smallTileListBuffer?.destroy(),this._largeTileListBuffer?.destroy(),this._largeTileOverflowBasesBuffer?.destroy(),this._rasterizeTileListBuffer?.destroy(),this._tileListCountsBuffer?.destroy(),this._chunkRangesBuffer?.destroy(),this._totalChunksBuffer?.destroy(),this._chunkSortIndirectBuffer?.destroy(),this.prefixSumKernel.destroy(),this.outputTexture?.destroy(),this.pickIdTexture?.destroy(),this.pickDepthTexture?.destroy()}}var yC=`
14844struct Splat {
14845	index: u32,
14846	uv: vec2i
14847}
14848var<private> splat: Splat;
14849fn setSplat(idx: u32) {
14850	splat.index = idx;
14851	splat.uv = vec2i(i32(idx % uniforms.splatTextureSize), i32(idx / uniforms.splatTextureSize));
14852}
14853`;const am=2.5,S0=2,DV=200,MV=16384,y0=16,x0=65535,nm=8,T0=new Z,w0=new Float32Array(16),C0=new Float32Array(16),E0=new Z,nd=new Q,od=new Float32Array(3);class RV extends Qg{_mainSet;_pickSet=null;framePass;tileComposite;_needsFramePassRegister=!1;_textureSize=0;_minPixelSize=2;_minContribution=3;_alphaClip=.3;_alphaClipForward=wu;_exposure=1;_numSplats=0;_compactedSplatIds=null;_sortElementCountBuffer=null;_projCacheBuffer=null;_tileEntriesBuffer=null;_pairBuffer=null;_countersBuffer=null;_splatPairStartBuffer=null;_splatPairCountBuffer=null;_largeSplatIdsBuffer=null;_largeSplatIdsCapacity=MV;_allocatedLargeSplatCapacity=0;_allocatedSplatCapacity=0;_allocatedEntryCapacity=0;_tileEntryMultiplier=am;_lastBufferSubmitVersion=-1;_lastReadbackEntryCount=-1;_shrinkFrameCount=0;_fisheye=0;_dataSource;_placeEntriesShader;_placeEntriesBindGroupFormat;_placeEntryPrepShader;_placeEntryPrepBindGroupFormat;_placeEntryPrepDispatchBuffer=null;_placeEntryPrepCompute=null;_largeSplatShader;_largeSplatBindGroupFormat;_largeSplatPrepShader;_largeSplatPrepBindGroupFormat;_largeSplatDispatchBuffer=null;_largeSplatPrepCompute=null;_largePlaceEntriesShader;_largePlaceEntriesBindGroupFormat;_classifyShader;_classifyBindGroupFormat;_sortShader;_sortBindGroupFormat;_bucketSortShader;_bucketSortBindGroupFormat;_copyShader;_copyBindGroupFormat;_chunkSortShader;_chunkSortBindGroupFormat;constructor(e,t,s,i,r){super(e,t,s,i,r),this._dataSource=r,this._createSharedShaders(),this._mainSet=this._createDispatchSet(!1),this.framePass=new uV(this);const a=s.camera;this.tileComposite=new bV(e,t,n=>{const o=this.renderMode??0;return a.camera===n&&(o&xs)!==0&&this._mainSet._rasterizeTileListBuffer!==null})}setDataSource(e){this._dataSource=e}destroy(){this._unregisterFramePass(),this.renderMode&&this.renderMode&xs&&this.layer.removeMeshInstances([this.tileComposite.meshInstance],!0),this._mainSet.destroy(),this._pickSet?.destroy(),this._placeEntriesShader.destroy(),this._placeEntriesBindGroupFormat.destroy(),this._placeEntryPrepShader.destroy(),this._placeEntryPrepBindGroupFormat.destroy(),this._placeEntryPrepDispatchBuffer?.destroy(),this._largeSplatShader.destroy(),this._largeSplatBindGroupFormat.destroy(),this._largeSplatPrepShader.destroy(),this._largeSplatPrepBindGroupFormat.destroy(),this._largeSplatDispatchBuffer?.destroy(),this._largePlaceEntriesShader.destroy(),this._largePlaceEntriesBindGroupFormat.destroy(),this._classifyShader.destroy(),this._classifyBindGroupFormat.destroy(),this._sortShader.destroy(),this._sortBindGroupFormat.destroy(),this._bucketSortShader.destroy(),this._bucketSortBindGroupFormat.destroy(),this._copyShader.destroy(),this._copyBindGroupFormat.destroy(),this._chunkSortShader.destroy(),this._chunkSortBindGroupFormat.destroy(),this._projCacheBuffer?.destroy(),this._depthBuffer?.destroy(),this._tileEntriesBuffer?.destroy(),this._pairBuffer?.destroy(),this._countersBuffer?.destroy(),this._splatPairStartBuffer?.destroy(),this._splatPairCountBuffer?.destroy(),this._largeSplatIdsBuffer?.destroy(),this.tileComposite.destroy(),super.destroy()}get material(){return this.tileComposite.material}setRenderMode(e){const s=((this.renderMode??0)&xs)!==0,i=(e&xs)!==0;!s&&i&&(this.layer.addMeshInstances([this.tileComposite.meshInstance],!0),this._registerFramePass()),s&&!i&&(this.layer.removeMeshInstances([this.tileComposite.meshInstance],!0),this._unregisterFramePass()),super.setRenderMode(e)}

14853frameUpdate(e,t,s){this._needsFramePassRegister&&this._registerFramePass(),this._minPixelSize=e.minPixelSize,this._minContribution=e.minContribution,this._alphaClip=e.alphaClip,this._alphaClipForward=e.alphaClipForward,this._exposure=t??1,this._fisheye=e.fisheye,this._fogParams=s??null,this._debugMode=e.debug;const i=this._dataSource.format.hash;i!==this._formatHash&&(this._formatHash=i,this._invalidateCountCompute())}setCompactedData(e,t,s,i){this._compactedSplatIds=e,this._sortElementCountBuffer=t,this._textureSize=s,this._numSplats=i}_registerFramePass(){const e=this.cameraNode.camera?.camera;e?(e.beforePasses.includes(this.framePass)||e.beforePasses.push(this.framePass),this._needsFramePassRegister=!1):this._needsFramePassRegister=!0}_unregisterFramePass(){this._needsFramePassRegister=!1;const e=this.cameraNode.camera?.camera;if(e){const t=e.beforePasses.indexOf(this.framePass);t!==-1&&e.beforePasses.splice(t,1)}}resizeOutputTexture(e,t){this._mainSet.resizeOutputTextures(e,t)}_ensureSharedBuffers(e){const t=this.device,s=t.submitVersion!==this._lastBufferSubmitVersion,i=this._lastReadbackEntryCount;if(i!==-1){this._lastReadbackEntryCount=-1;const o=this._allocatedEntryCapacity;if(o>0&&i<o/2?this._shrinkFrameCount++:this._shrinkFrameCount=0,this._shrinkFrameCount>=DV&&e>0){const c=Math.max(am,i/e*S0);this._tileEntryMultiplier=Math.max(c,this._tileEntryMultiplier*.9),this._shrinkFrameCount=0}}if(!s)return;e>this._allocatedSplatCapacity&&(this._projCacheBuffer?.destroy(),this._depthBuffer?.destroy(),this._splatPairStartBuffer?.destroy(),this._splatPairCountBuffer?.destroy(),this._allocatedSplatCapacity=e,this._projCacheBuffer=new Se(t,e*Fd*4),this._depthBuffer=new Se(t,e*4),this._splatPairStartBuffer=new Se(t,e*4),this._splatPairCountBuffer=new Se(t,e*4)),this._countersBuffer||(this._countersBuffer=new Se(t,8,ct|Si)),this._largeSplatIdsCapacity>this._allocatedLargeSplatCapacity&&(this._largeSplatIdsBuffer?.destroy(),this._allocatedLargeSplatCapacity=this._largeSplatIdsCapacity,this._largeSplatIdsBuffer=new Se(t,this._largeSplatIdsCapacity*4));const r=Math.ceil(e*this._tileEntryMultiplier),a=r>this._allocatedEntryCapacity,n=this._allocatedEntryCapacity>0&&r*2<this._allocatedEntryCapacity;(a||n)&&(this._tileEntriesBuffer?.destroy(),this._pairBuffer?.destroy(),this._allocatedEntryCapacity=r,this._tileEntriesBuffer=new Se(t,r*4,ct),this._pairBuffer=new Se(t,r*4)),this._lastBufferSubmitVersion=t.submitVersion}dispatch(){const e=this._mainSet,t=e.outputTexture;if(!t)return;const s=t.width,i=t.height;this._dispatchPipeline(e,s,i,!1),this.tileComposite.update(this._lastDrawSlot,t,e._rasterizeTileListBuffer,this._lastNumTilesX,s,i)}dispatchPick(e,t,s){this._pickSet||(this._pickSet=this._createDispatchSet(!0));const i=this._pickSet;return i.resizeOutputTextures(t,s),this._dispatchPipeline(i,t,s,!0),this.tileComposite.prepareForPicking(this._lastDrawSlot,i.pickIdTexture,i.pickDepthTexture,i._rasterizeTileListBuffer,this._lastNumTilesX,t,s)}_lastDrawSlot=0;_lastNumTilesX=0;_dispatchPipeline(e,t,s,i){const r=this._numSplats;

14853if(!this._compactedSplatIds||!this._sortElementCountBuffer||r===0)return;const a=this.device;let n=Math.ceil(t/y0),o=Math.ceil(s/y0);if(n*o>x0){const N=Math.sqrt(x0/(n*o));n=Math.max(1,Math.floor(n*N)),o=Math.max(1,Math.floor(o*N))}const c=n*o;this._ensureSharedBuffers(r),e.ensureTileBuffers(c);const h=this._allocatedEntryCapacity,d=this._dataSource,u=this.cameraNode.camera,f=u.camera,p=f.viewMatrix,m=!!u.renderTarget?.flipY,_=a.isWebGPU;T0.mul2(cs.applyShaderProjectionTransform(f.projectionMatrix,E0,m,_),p),w0.set(T0.data),C0.set(p.data);const g=t*E0.data[0],v=i?this._alphaClip:Math.max(wu,this._alphaClipForward);this.fisheyeProj.update(this._fisheye,u.fov,f.projectionMatrix);const x=this.fisheyeProj.enabled,y=(N,k)=>this._createCountShaderAndFormat(N,k),S=e.getCountCompute(x,y);this._placeEntryPrepCompute.setParameter("sortElementCount",this._sortElementCountBuffer),this._placeEntryPrepCompute.setParameter("dispatchArgs",this._placeEntryPrepDispatchBuffer),this._placeEntryPrepCompute.setupDispatch(1,1,1),a.computeDispatch([this._placeEntryPrepCompute],"GSplatLocalDispatchPrep"),e._tileSplatCountsBuffer.clear(),this._countersBuffer.clear(),S.setParameter("compactedSplatIds",this._compactedS

14853platIds),S.setParameter("sortElementCount",this._sortElementCountBuffer),S.setParameter("projCache",this._projCacheBuffer),S.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),S.setParameter("pairBuffer",this._pairBuffer),S.setParameter("countersBuffer",this._countersBuffer),S.setParameter("splatPairStart",this._splatPairStartBuffer),S.setParameter("splatPairCount",this._splatPairCountBuffer),S.setParameter("largeSplatIds",this._largeSplatIdsBuffer),S.setParameter("depthBuffer",this._depthBuffer);for(const N of d.format.streams)S.setParameter(N.name,d.getTexture(N.name));for(const N of d.format.extraStreams)S.setParameter(N.name,d.getTexture(N.name));if(S.setParameter("splatTextureSize",this._textureSize),S.setParameter("numTilesX",n),S.setParameter("numTilesY",o),S.setParameter("viewProj",w0),S.setParameter("viewMatrix",C0),S.setParameter("focal",g),S.setParameter("viewportWidth",t),S.setParameter("viewportHeight",s),S.setParameter("nearClip",f.nearClip),S.setParameter("farClip",f.farClip),S.setParameter("minPixelSize",this._minPixelSize*.5),S.setParameter("isOrtho",f.projection===Sn?1:0),S.setParameter("exposure",this._exposure),S.setParameter("alphaClip",v),S.setParameter("minContribution",this._minContribution),x){const N=this.fisheyeProj;S.setParameter("fisheye_k",N.k),S.setParameter("fisheye_inv_k",N.invK),S.setParameter("fisheye_projMat00",N.projMat00),S.setParameter("fisheye_projMat11",N.projMat11)}S.setupIndirectDispatch(0,this._placeEntryPrepDispatchBuffer),a.computeDispatch([S],i?"GSplatPickTileCount":"GSplatLocalTileCount"),this._largeSplatPrepCompute.setParameter("countersBuffer",this._countersBuffer),this._largeSplatPrepCompute.setParameter("dispatchArgs",this._largeSplatDispatchBuffer),this._largeSplatPrepCompute.setParameter("largeSplatIds",this._largeSplatIdsBuffer),this._largeSplatPrepCompute.setupDispatch(1,1,1),a.computeDispatch([this._largeSplatPrepCompute],i?"GSplatPickLargeSplatPrep":"GSplatLocalLargeSplatPrep"),e.largeSplatCompute.setParameter("projCache",this._projCacheBuffer),e.largeSplatCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.largeSplatCompute.setParameter("pairBuffer",this._pairBuffer),e.largeSplatCompute.setParameter("countersBuffer",this._countersBuffer),e.largeSplatCompute.setParameter("splatPairStart",this._splatPairStartBuffer),e.largeSplatCompute.setParameter("splatPairCount",this._splatPairCountBuffer),e.largeSplatCompute.setParameter("largeSplatIds",this._largeSplatIdsBuffer),e.largeSplatCompute.setParameter("numTilesX",n),e.largeSplatCompute.setParameter("numTilesY",o),e.largeSplatCompute.setParameter("viewportWidth",t),e.largeSplatCompute.setParameter("viewportHeight",s),e.largeSplatCompute.setParameter("alphaClip",v),e.largeSplatCompute.setupIndirectDispatch(0,this._largeSplatDispatchBuffer),a.computeDispatch([e.largeSplatCompute],i?"GSplatPickLargeTileCount":"GSplatLocalLargeTileCount"),e.prefixSumKernel.resize(e._tileSplatCountsBuffer,c+1),e.prefixSumKernel.dispatch(a),e.placeEntriesCompute.setParameter("pairBuffer",this._pairBuffer),e.placeEntriesCompute.setParameter("splatPairStart",this._splatPairStartBuffer),e.placeEntriesCompute.setParameter("splatPairCount",this._splatPairCountBuffer),e.placeEntriesCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.placeEntriesCompute.setParameter("tileEntries",this._tileEntriesBuffer),e.placeEntriesCompute.setParameter("sortElementCount",this._sortElementCountBuffer),e.placeEntriesCompute.setupIndirectDispatch(1,this._placeEntryPrepDispatchBuffer),a.computeDispatch([e.placeEntriesCompute],i?"GSplatPickPlaceEntries":"GSplatLocalPlaceEntries"),e.largePlaceEntriesCompute.setParameter("pairBuffer",this._pairBuffer),e.largePlaceEntriesCompute.setParameter("splatPairStart",this._splatPairStartBuffer),e.largePlaceEntriesCompute.setParameter("splatPairCount",this._splatPairCountBuffer),e.largePlaceEntriesCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.largePlaceEntriesCompute.setParameter("tileEntries",this._tileEntriesBuffer),e.largePlaceEntriesCompute.setParameter("largeSplatIds",this._largeSplatIdsBuffer),e.largePlaceEntriesCompute.setParameter("countersBuffer",this._countersBuffer),e.largePlaceEntriesCompute.setupIndirectDispatch(0,this._largeSplatDispatchBuffer),a.computeDispatch([e.largePlaceEntriesCompute],i?"GSplatPickLargePlaceEntries":"GSplatLocalLargePlaceEntries"),e._tileListCountsBuffer.clear(),e._totalChunksBuffer.clear(),e._chunkSortIndirectBuffer.clear();const T=a.getIndirectDispatchSlot(3),w=a.getIndirectDrawSlot(1);e.classifyCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.classifyCompute.setParameter("smallTileList",e._smallTileListBuffer),e.classifyCompute.setParameter("largeTileList",e._largeTileListBuffer),e.classifyCompute.setParameter("rasterizeTileList",e._rasterizeTileListBuffer),e.classifyCompute.setParameter("tileListCounts",e._tileListCountsBuffer),e.classifyCompute.setParameter("indirectDispatchArgs",a.indirectDispatchBuffer),e.classifyCompute.setParameter("largeTileOverflowBases",e._largeTileOverflowBasesBuffer),e.classifyCompute.setParameter("indirectDrawArgs",a.indirectDrawBuffer),e.classifyCompute.setParameter("numTiles",c),e.classifyCompute.setParameter("dispatchSlotOffset",T*3),e.classifyCompute.setParameter("bufferCapacity",h),e.classifyCompute.setParameter("maxWorkgroupsPerDim",a.limits.maxComputeWorkgroupsPerDimension||65535),e.classifyCompute.setParameter("drawSlot",w

14853),e.classifyCompute.setupDispatch(1,1,1),a.computeDispatch([e.classifyCompute],i?"GSplatPickClassify":"GSplatLocalClassify"),e.bucketSortCompute.setParameter("tileEntries",this._tileEntriesBuffer),e.bucketSortCompute.setParameter("largeTileOverflowBases",e._largeTileOverflowBasesBuffer),e.bucketSortCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.bucketSortCompute.setParameter("depthBuffer",this._depthBuffer),e.bucketSortCompute.setParameter("largeTileList",e._largeTileListBuffer),e.bucketSortCompute.setParameter("chunkRanges",e._chunkRangesBuffer),e.bucketSortCompute.setParameter("totalChunks",e._totalChunksBuffer),e.bucketSortCompute.setParameter("tileListCounts",e._tileListCountsBuffer),e.bucketSortCompute.setParameter("bufferCapacity",h),e.bucketSortCompute.setParameter("maxChunks",c*nm),e.bucketSortCompute.setupIndirectDispatch(T+1),a.computeDispatch([e.bucketSortCompute],i?"GSplatPickBucketSort":"GSplatLocalBucketSort"),e.copyCompute.setParameter("totalChunks",e._totalChunksBuffer),e.copyCompute.setParameter("chunkSortIndirect",e._chunkSortIndirectBuffer),e.copyCompute.setParameter("maxChunks",c*nm),e.copyCompute.setParameter("maxWorkgroupsPerDim",a.limits.maxComputeWorkgroupsPerDimension||65535),e.copyCompute.setupDispatch(1,1,1),a.computeDispatch([e.copyCompute],i?"GSplatPickCopy":"GSplatLocalCopy"),e.sortCompute.setParameter("tileEntries",this._tileEntriesBuffer),e.sortCompute.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),e.sortCompute.setParameter("depthBuffer",this._depthBuffer),e.sortCompute.setParameter("smallTileList",e._smallTileListBuffer),e.sortCompute.setParameter("tileListCounts",e._tileListCountsBuffer),e.sortCompute.setupIndirectDispatch(T),a.computeDispatch([e.sortCompute],i?"GSplatPickTileSort":"GSplatLocalTileSort"),e.chunkSortCompute.setParameter("tileEntries",this._tileEntriesBuffer),e.chunkSortCompute.setParameter("depthBuffer",this._depthBuffer),e.chunkSortCompute.setParameter("chunkRanges",e._chunkRangesBuffer),e.chunkSortCompute.setParameter("totalChunks",e._totalChunksBuffer),e.chunkSortCompute.setParameter("maxChunks",c*nm),e.chunkSortCompute.setupIndirectDispatch(0,e._chunkSortIndirectBuffer),a.computeDispatch([e.chunkSortCompute],i?"GSplatPickChunkSort":"GSplatLocalChunkSort");const b=f.shaderParams.sceneDepthMapLinear?a.scope.resolve("uSceneDepthMap").value:null,I=!i&&b,P=this._fogParams,L=P&&P.type!==vn?P.type:"none",O=!i&&this._debugMode===e_,D=e.getRasterizeCompute(i,I,L,O);D.setParameter("screenWidth",t),D.setParameter("screenHeight",s),D.setParameter("numTilesX",n),D.setParameter("nearClip",f.nearClip),D.setParameter("farClip",f.farClip),D.setParameter("alphaClip",v),L!=="none"&&(nd.linear(P.color),od[0]=nd.r,od[1]=nd.g,od[2]=nd.b,D.setParameter("fog_color",od),D.setParameter("fog_start",P.start),D.setParameter("fog_end",P.end),D.setParameter("fog_density",P.density)),D.setParameter("tileEntries",this._tileEntriesBuffer),D.setParameter("tileSplatCounts",e._tileSplatCountsBuffer),D.setParameter("projCache",this._projCacheBuffer),D.setParameter("rasterizeTileList",e._rasterizeTileListBuffer),D.setParameter("tileListCounts",e._tileListCountsBuffer),D.setParameter("depthBuffer",this._depthBuffer),i?(D.setParameter("pickIdTexture",e.pickIdTexture),D.setParameter("pickDepthTexture",e.pickDepthTexture)):(D.setParameter("outputTexture",e.outputTexture),I&&D.setParameter("sceneDepthMap",b)),D.setupIndirectDispatch(T+2),a.computeDispatch([D],i?"GSplatPickRasterize":"GSplatLocalRasterize"),this._lastDrawSlot=w,this._lastNumTilesX=n,this._scheduleReadback(r,c,e)}_scheduleReadback(e,t,s){if(e===0)return;const i=e,r=s._tileSplatCountsBuffer.read(t*4,4),a=s._tileListCountsBuffer.read(12,4),n=this._countersBuffer.read(4,4);Promise.all([r,a,n]).then(([o,c,h])=>{const d=new Uint32Array(o.buffer,o.byteOffset,1)[0],u=new Uint32Array(c.buffer,c.byteOffset,1)[0],f=d+u;i>0&&(this._tileEntryMultiplier=Math.max(this._tileEntryMultiplier,f/i*S0),this._tileEntryMultiplier=Math.max(this._tileEntryMultiplier,am)),this._lastReadbackEntryCount=f;const p=new Uint32Array(h.buffer,h.byteOffset,1)[0];p>this._largeSplatIdsCapacity&&(this._largeSplatIdsCapacity=Math.ceil(p*1.2))}).catch(()=>{})}_invalidateCountCompute(){this._mainSet.destroyCountResources(),this._pickSet?.destroyCountResources()}_createCommonIncludes(){const e=new Map;return e.set("gsplatCommonCS",vC),e.set("gsplatTileIntersectCS",SC),e}_createBitonicIncludes(){const e=new Map;return e.set("gsplatLocalBitonicCS",EV),e}_createSharedShaders(){const e=this.device;this._placeEntriesBindGroupFormat=new Ze(e,[new q("pairBuffer",G,!0),new q("splatPairStart",G,!0),new q("splatPairCount",G,!0),new q("tileSplatCounts",G,!0),new q("tileEntries",G),new q("sortElementCount",G,!0)]),this._placeEntriesShader=new tt(e,{name:"GSplatLocalPlaceEntries",shaderLanguage:de,cshader:gV,computeBindGroupFormat:this._placeEntriesBindGroupFormat});{const t=e.limits.maxComputeWorkgroupsPerDimension||65535,s=new Map;s.set("{MAX_DIM}",t.toString()),s.set("{SPLATS_PER_WG}","256"),s.set("{SPLATS_PER_WG_MINUS_1}

14853","255"),this._placeEntryPrepBindGroupFormat=new Ze(e,[new q("sortElementCount",G,!0),new q("dispatchArgs",G)]),this._placeEntryPrepShader=new tt(e,{name:"GSplatLocalPlaceEntryPrep",shaderLanguage:de,cshader:fV,cdefines:s,computeBindGroupFormat:this._placeEntryPrepBindGroupFormat}),this._placeEntryPrepDispatchBuffer=new Se(e,24,Po),this._placeEntryPrepCompute=new Qe(e,this._placeEntryPrepShader)}{const t=this._createCommonIncludes(),s=new vt(e,[new X("numTilesX",le),new X("numTilesY",le),new X("viewportWidth",me),new X("viewportHeight",me),new X("alphaClip",me)]);this._largeSplatBindGroupFormat=new Ze(e,[new q("projCache",G,!0),new q("tileSplatCounts",G),new q("pairBuffer",G),new q("countersBuffer",G),new q("splatPairStart",G),new q("splatPairCount",G),new q("largeSplatIds",G,!0),new At("uniforms",G)]);const i=new Map;i.set("{CACHE_STRIDE}",Fd.toString()),this._largeSplatShader=new tt(e,{name:"GSplatLocalTileCountLarge",shaderLanguage:de,cshader:_V,cincludes:t,cdefines:i,computeBindGroupFormat:this._largeSplatBindGroupFormat,computeUniformBufferFormats:{uniforms:s}})}{const t=e.limits.maxComputeWorkgroupsPerDimension||65535,s=new Map;s.set("{MAX_DIM}",t.toString()),this._largeSplatPrepBindGroupFormat=new Ze(e,[new q("countersBuffer",G,!0),new q("dispatchArgs",G),new q("largeSplatIds",G,!0)]),this._largeSplatPrepShader=new tt(e,{name:"GSplatLocalLargeSplatPrep",shaderLanguage:de,cshader:pV,cdefines:s,computeBindGroupFormat:this._largeSplatPrepBindGroupFormat}),this._largeSplatDispatchBuffer=new Se(e,12,Po),this._largeSplatPrepCompute=new Qe(e,this._largeSplatPrepShader)}this._largePlaceEntriesBindGroupFormat=new Ze(e,[new q("pairBuffer",G,!0),new q("splatPairStart",G,!0),new q("splatPairCount",G,!0),new q("tileSplatCounts",G,!0),new q("tileEntries",G),new q("largeSplatIds",G,!0),new q("countersBuffer",G,!0)]),this._largePlaceEntriesShader=new tt(e,{name:"GSplatLocalPlaceEntriesLarge",shaderLanguage:de,cshader:vV,computeBindGroupFormat:this._largePlaceEntriesBindGroupFormat});{const t=new vt(e,[new X("numTiles",le),new X("dispatchSlotOffset",le),new X("bufferCapacity",le),new X("maxWorkgroupsPerDim",le),new X("drawSlot",le)]);this._classifyBindGroupFormat=new Ze(e,[new q("tileSplatCounts",G,!0),new q("smallTileList",G),new q("largeTileList",G),new q("rasterizeTileList",G),new q("tileListCounts",G),new q("indirectDispatchArgs",G),new q("largeTileOverflowBases",G),new At("uniforms",G),new q("indirectDrawArgs",G)]),this._classifyShader=new tt(e,{name:"GSplatLocalClassify",shaderLanguage:de,cshader:yV,computeBindGroupFormat:this._classifyBindGroupFormat,computeUniformBufferFormats:{uniforms:t}})}this._sortBindGroupFormat=new Ze(e,[new q("tileEntries",G),new q("tileSplatCounts",G,!0),new q("depthBuffer",G,!0),new q("smallTileList",G,!0),new q("tileListCounts",G,!0)]),this._sortShader=new tt(e,{name:"GSplatLocalTileSort",shaderLanguage:de,cshader:SV,cincludes:this._createBitonicIncludes(),computeBindGroupFormat:this._sortBindGroupFormat});{const t=new vt(e,[new X("bufferCapacity",le),new X("maxChunks",le)]);this._bucketSortBindGroupFormat=new Ze(e,[new q("tileEntries",G),new q("largeTileOverflowBases",G,!0),new q("tileSplatCounts",G,!0),new q("depthBuffer",G,!0),new q("largeTileList",G,!0),new q("chunkRanges",G),new q("totalChunks",G),new q("tileListCounts",G,!0),new At("uniforms",G)]),this._bucketSortShader=new tt(e,{name:"GSplatLocalBucketSort",shaderLanguage:de,cshader:TV,computeBindGroupFormat:this._bucketSortBindGroupFormat,computeUniformBufferFormats:{uniforms:t}})}{const t=new vt(e,[new X("maxChunks",le),new X("maxWorkgroupsPerDim",le)]);this._copyBindGroupFormat=new Ze(e,[new q("totalChunks",G,!0),new q("chunkSortIndirect",G),new At("uniforms",G)]),this._copyShader=new tt(e,{name:"GSplatLocalCopy",shaderLanguage:de,cshader:CV,computeBindGroupFormat:this._copyBindGroupFormat,computeUniformBufferFormats:{uniforms:t}})}{const t=new vt(e,[new X("maxChunks",le)]);this._chunkSortBindGroupFormat=new Ze(e,[new q("tileEntries",G),new q("depthBuffer",G,!0),new q("chunkRanges",G,!0),new q("totalChunks",G,!0),new At("uniforms",G)]),this._chunkSortShader=new tt(e,{name:"GSplatLocalChunkSort",shaderLanguage:de,cshader:wV,cincludes:this._createBitonicIncludes(),computeBindGroupFormat:this._chunkSortBindGroupFormat,computeUniformBufferFormats:{uniforms:t}})}}_createCountShaderAndFormat(e,t){const s=this.device,i=[new X("splatTextureSize",le),new X("numTilesX",le),new X("numTilesY",le),new X("viewProj",Ss),new X("viewMatrix",Ss),new X("focal",me),new X("viewportWidth",me),new X("viewportHe

14853ight",me),new X("nearClip",me),new X("farClip",me),new X("minPixelSize",me),new X("isOrtho",le),new X("exposure",me),new X("alphaClip",me),new X("minContribution",me)];t&&i.push(new X("fisheye_k",me),new X("fisheye_inv_k",me),new X("fisheye_projMat00",me),new X("fisheye_projMat11",me));const r=new vt(s,i),a=this._dataSource.format,n=[new q("compactedSplatIds",G,!0),new q("sortElementCount",G,!0),new q("projCache",G),new q("tileSplatCounts",G),new At("uniforms",G),new q("pairBuffer",G),new q("countersBuffer",G),new q("splatPairStart",G),new q("splatPairCount",G),new q("largeSplatIds",G),new q("depthBuffer",G)],o=new Ze(s,[...n,...a.getComputeBindFormats()]),c=this._createCommonIncludes();c.set("gsplatComputeSplatCS",yC),c.set("gsplatFormatDeclCS",a.getComputeInputDeclarations(n.length)),c.set("gsplatFormatReadCS",a.getReadCode()),c.set("gsplatProjectCommonCS",gC);const h=new Map;h.set("{CACHE_STRIDE}",Fd.toString()),t&&h.set("GSPLAT_FISHEYE",""),e&&h.set("PICK_MODE","");const d=a.getStream("dataColor");d&&d.format!==Vi&&h.set("GSPLAT_COLOR_FLOAT","");const u=t?"Fisheye":"";return{shader:new tt(s,{name:e?`GSplatLocalTileCountPick${u}`:`GSplatLocalTileCount${u}`,shaderLanguage:de,cshader:mV,cincludes:c,cdefines:h,computeBindGroupFormat:o,computeUniformBufferFormats:{uniforms:r}}),bindGroupFormat:o}}_createDispatchSet(e){const t=this.device,s=new IV(t,e);return s.placeEntriesCompute=new Qe(t,this._placeEntriesShader,e?"GSplatPickPlaceEntries":"GSplatLocalPlaceEntries"),s.largeSplatCompute=new Qe(t,this._largeSplatShader,e?"GSplatPickLargeTileCount":"GSplatLocalLargeTileCount"),s.largePlaceEntriesCompute=new Qe(t,this._largePlaceEntriesShader,e?"GSplatPickLargePlaceEntries":"GSplatLocalLargePlaceEntries"),s.classifyCompute=new Qe(t,this._classifyShader,e?"GSplatPickClassify":"GSplatLocalClassify"),s.sortCompute=new Qe(t,this._sortShader,e?"GSplatPickTileSort":"GSplatLocalTileSort"),s.bucketSortCompute=new Qe(t,this._bucketSortShader,e?"GSplatPickBucketSort":"GSplatLocalBucketSort"),s.copyCompute=new Qe(t,this._copyShader,e?"GSplatPickCopy":"GSplatLocalCopy"),s.chunkSortCompute=new Qe(t,this._chunkSortShader,e?"GSplatPickChunkSort":"GSplatLocalChunkSort"),s}}const LV=`
14854#include "gsplatCommonCS"
14855#include "gsplatTileIntersectCS"
14856@group(0) @binding(0) var<storage, read> compactedSplatIds: array<u32>;
14857@group(0) @binding(1) var<storage, read> sortElementCount: array<u32>;
14858@group(0) @binding(2) var<storage, read_write> projCache: array<u32>;
14859@group(0) @binding(3) var<storage, read_write> sortKeys: array<u32>;
14860@group(0) @binding(4) var<storage, read_write> renderCounter: array<atomic<u32>>;
14861struct BinWeight {
14862	base: f32,

14863	divider: f32
14864}
14865@group(0) @binding(5) var<storage, read> binWeights: array<BinWeight>;
14866struct ProjectorUniforms {
14867	splatTextureSize: u32,
14868	numBins: u32,
14869	isOrtho: u32,
14870	pad0: u32,
14871	viewProj: mat4x4f,
14872	viewMatrix: mat4x4f,
14873	cameraPosition: vec3f,
14874	minPixelSize: f32,
14875	cameraDirection: vec3f,
14876	focal: f32,
14877	viewportWidth: f32,
14878	viewportHeight: f32,
14879	nearClip: f32,
14880	farClip: f32,
14881	alphaClip: f32,
14882	minContribution: f32,
14883	minDist: f32,
14884	invRange: f32,
14885	#ifdef GSPLAT_FISHEYE
14886		fisheye_k: f32,
14887		fisheye_inv_k: f32,
14888		fisheye_projMat00: f32,
14889		fisheye_projMat11: f32,
14890	#endif
14891}
14892@group(0) @binding(6) var<uniform> uniforms: ProjectorUniforms;
14893#include "gsplatComputeSplatCS"
14894#include "gsplatFormatDeclCS"
14895#include "gsplatFormatReadCS"
14896#include "gsplatProjectCommonCS"
14897var<workgroup> wgCount: atomic<u32>;
14898var<workgroup> wgBase: u32;
14899@compute @workgroup_size(256)
14900fn main(
14901	@builtin(global_invocation_id) gid: vec3u,
14902	@builtin(num_workgroups) numWorkgroups: vec3u,
14903	@builtin(local_invocation_index) localIdx: u32
14904) {
14905	if (localIdx == 0u) {
14906		atomicStore(&wgCount, 0u);
14907	}
14908	workgroupBarrier();
14909	let threadIdx = gid.y * (numWorkgroups.x * 256u) + gid.x;
14910	let numVisible = sortElementCount[0];
14911	var valid = false;
14912	var clipPos: vec4f = vec4f(0.0);
14913	var v1: vec2f = vec2f(0.0);
14914	var v2: vec2f = vec2f(0.0);
14915	var rgb: vec3f = vec3f(0.0);
14916	var alpha: f32 = 0.0;
14917	var pcId: u32 = 0u;
14918	var sortKey: u32 = 0u;
14919	let projected = projectSplatCommon(
14920		threadIdx,
14921		numVisible,
14922		uniforms.alphaClip,
14923		uniforms.minPixelSize,
14924		uniforms.minContribution,
14925		uniforms.viewMatrix,
14926		uniforms.viewProj,
14927		uniforms.focal,
14928		uniforms.viewportWidth,
14929		uniforms.viewportHeight,
14930		uniforms.nearClip,
14931		uniforms.farClip,
14932		uniforms.isOrtho,
14933		#ifdef GSPLAT_FISHEYE
14934			uniforms.fisheye_k,
14935			uniforms.fisheye_inv_k,
14936			uniforms.fisheye_projMat00,
14937			uniforms.fisheye_projMat11,
14938		#endif
14939	);
14940	if (projected.valid) {
14941		let center = projected.center;
14942		let opacity = projected.opacity;
14943		let proj = projected.proj;
14944		let mid = 0.5 * (proj.a + proj.c);
14945		let radius = length(vec2f(0.5 * (proj.a - proj.c), proj.b));
14946		let lambda1 = mid + radius;
14947		let lambda2 = max(mid - radius, 0.1);
14948		let vmin = min(1024.0, min(uniforms.viewportWidth, uniforms.viewportHeight));
14949		let l1 = 2.0 * min(sqrt(2.0 * lambda1), vmin);
14950		let l2 = 2.0 * min(sqrt(2.0 * lambda2), vmin);
14951		let dir = normalize(vec2f(proj.b, lambda1 - proj.a));
14952		v1 = l1 * dir;
14953		v2 = l2 * vec2f(dir.y, -dir.x);
14954		#ifdef GSPLAT_FISHEYE
14955			let viewCenter = uniforms.viewMatrix * vec4f(center, 1.0);
14956			let neg_z = -viewCenter.z;
14957			let ndcX = proj.screen.x / uniforms.viewportWidth * 2.0 - 1.0;
14958			let ndcY = proj.screen.y / uniforms.viewportHeight * 2.0 - 1.0;
14959			let depthNdc = clamp(
14960				(neg_z - uniforms.nearClip) / (uniforms.farClip - uniforms.nearClip),
14961				0.0, 1.0
14962			);
14963			clipPos = vec4f(ndcX, ndcY, depthNdc, 1.0);
14964		#else
14965			clipPos = uniforms.viewProj * vec4f(center, 1.0);
14966			clipPos.z = clamp(clipPos.z, 0.0, abs(clipPos.w));
14967		#endif
14968		#ifdef RADIAL_SORT
14969			let delta = center - uniforms.cameraPosition;
14970			let radialDist = length(delta);
14971			let dist = (1.0 / uniforms.invRange) - radialDist - uniforms.minDist;
14972		#else
14973			let toSplat = center - uniforms.cameraPosition;
14974			let dist = dot(toSplat, uniforms.cameraDirection) - uniforms.minDist;
14975		#endif
14976		let d = dist * uniforms.invRange * f32(uniforms.numBins);
14977		let binFloat = clamp(d, 0.0, f32(uniforms.numBins) - 0.001);
14978		let bin = u32(binFloat);
14979		let binFrac = binFloat - f32(bin);
14980		sortKey = u32(binWeights[bin].base + binWeights[bin].divider * binFrac);
14981		#ifdef PICK_MODE
14982			pcId = loadPcId().r;
14983			alpha = opacity;
14984		#else
14985			let color = getColor();
14986			rgb = max(color, vec3f(0.0));
14987			#if GSPLAT_AA
14988				alpha = opacity * proj.aaFactor;
14989			#else
14990				alpha = opacity;
14991			#endif
14992		#endif
14993		valid = true;
14994	}
14995	var localDst: u32 = 0u;
14996	if (valid) {
14997		localDst = atomicAdd(&wgCount, 1u);
14998	}
14999	workgroupBarrier();
15000	if (localIdx == 0u) {
15001		let total = atomicLoad(&wgCount);
15002		wgBase = atomicAdd(&renderCounter[0], total);
15003	}
15004	workgroupBarrier();
15005	if (valid) {
15006		let dst = wgBase + localDst;
15007		let base = dst * {CACHE_STRIDE}u;
15008		projCache[base + 0u] = bitcast<u32>(clipPos.x);
15009		projCache[base + 1u] = bitcast<u32>(clipPos.y);
15010		projCache[base + 2u] = bitcast<u32>(clipPos.z);
15011		projCache[base + 3u] = bitcast<u32>(clipPos.w);
15012		projCache[base + 4u] = pack2x16float(v1);
15013		projCache[base + 5u] = pack2x16float(v2);
15014		#ifdef PICK_MODE
15015			projCache[base + 6u] = pcId;

15016			projCache[base + 7u] = pack2x16float(vec2f(0.0, alpha));
15017		#else
15018			projCache[base + 6u] = pack2x16float(vec2f(rgb.x, rgb.y));
15019			projCache[base + 7u] = pack2x16float(vec2f(rgb.z, alpha));
15020		#endif
15021		sortKeys[dst] = sortKey;
15022	}
15023}
15024`,FV=`
15025${Of}
15026${Bf}
15027${jg}
15028@group(0) @binding(0) var<storage, read> renderCounter: array<u32>;
15029@group(0) @binding(1) var<storage, read_write> indirectDrawArgs: array<DrawIndexedIndirectArgs>;
15030@group(0) @binding(2) var<storage, read_write> numSplatsBuf: array<u32>;
15031@group(0) @binding(3) var<storage, read_write> indirectDispatchArgs: array<u32>;
15032@group(0) @binding(4) var<storage, read_write> sortElementCountBuf: array<u32>;
15033struct WriteArgsUniforms {
15034	drawSlot: u32,
15035	indexCount: u32,
15036	sortSlotBase: u32,
15037	pad0: u32,
15038	sortIndirectInfo: vec4<u32>
15039};
15040@group(0) @binding(5) var<uniform> uniforms: WriteArgsUniforms;
15041@compute @workgroup_size(1)
15042fn main() {
15043	let count = renderCounter[0];
15044	let instanceCount = (count + {INSTANCE_SIZE}u - 1u) / {INSTANCE_SIZE}u;
15045	indirectDrawArgs[uniforms.drawSlot] = DrawIndexedIndirectArgs(
15046		uniforms.indexCount,
15047		instanceCount,
15048		0u,
15049		0,
15050		0u
15051	);
15052	numSplatsBuf[0] = count;
15053	sortElementCountBuf[0] = count;
15054	writeSortIndirectArgs(uniforms.sortSlotBase, count, uniforms.sortIndirectInfo);
15055}
15056`,OV=6*Rt.instanceSize,BV=256,NV=new E,om=new j,b0=new Z,A0=new Float32Array(16),P0=new Float32Array(16),I0=new Z;class kV{device;projCache=null;sortKeys=null;renderCounter=null;binWeightsBuffer=null;binWeightsUtil;_projectorComputes=new Map;_projectorBindGroupFormat=null;_projectorUniformBufferFormat=null;_projectorUniformBufferFormatFisheye=null;_writeIndirectArgsCompute=null;_writeArgsBindGroupFormat=null;_writeArgsUniformBufferFormat=null;_formatVersion=-1;_allocatedCacheCount=0;cameraPositionData=new Float32Array(3);cameraDirectionData=new Float32Array(3);constructor(e){this.device=e,this.binWeightsUtil=new Vl,this.binWeightsBuffer=new Se(e,Vl.NUM_BINS*2*4,Si|ct),this.renderCounter=new Se(e,4,Si|ct),this._createUniformBufferFormats(),this._createWriteIndirectArgsCompute()}destroy(){this.projCache?.destroy(),this.sortKeys?.destroy(),this.renderCounter?.destroy(),this.binWeightsBuffer?.destroy();for(const e of this._projectorComputes.values())e.shader?.destroy();this._projectorComputes.clear(),this._projectorBindGroupFormat?.destroy(),this._writeIndirectArgsCompute?.shader?.destroy(),this._writeArgsBindGroupFormat?.destroy(),this.projCache=null,this.sortKeys=null,this.renderCounter=null,this.binWeightsBuffer=null,this._projectorBindGroupFormat=null,this._projectorUniformBufferFormat=null,this._projectorUniformBufferFormatFisheye=null,this._writeIndirectArgsCompute=null,this._writeArgsBindGroupFormat=null,this._writeArgsUniformBufferFormat=null}_createUniformBufferFormats(){const e=this.device,t=[new X("splatTextureSize",le),new X("numBins",le),new X("isOrtho",le),new X("pad0",le),new X("viewProj",Ss),new X("viewMatrix",Ss),new X("cameraPosition",hs),new X("minPixelSize",me),new X("cameraDirection",hs),new X("focal",me),new X("viewportWidth",me),new X("viewportHeight",me),new X("nearClip",me),new X("farClip",me),new X("alphaClip",me),new X("minContribution",me),new X("minDist",me),new X("invRange",me)];this._projectorUniformBufferFormat=new vt(e,t),this._projectorUniformBufferFormatFisheye=new vt(e,[...t.map(s=>new X(s.name,s.type)),new X("fisheye_k",me),new X("fisheye_inv_k",me),new X("fisheye_projMat00",me),new X("fisheye_projMat11",me)]),this._writeArgsUniformBufferFormat=new vt(e,[new X("drawSlot",le),new X("indexCount",le),new X("sortSlotBase",le),new X("pad0",le),new X("sortIndirectInfo",oa)])}_createWriteIndirectArgsCompute(){const e=this.device;this._writeArgsBindGroupFormat=new Ze(e,[new q("renderCounter",G,!0),new q("indirectDrawArgs",G,!1),new q("numSplatsBuf",G,!1),new q("indirectDispatchArgs",G,!1),new q("sortElementCountBuf",G,!1),new At("uniforms",G)]);const t=new Map([["{INSTANCE_SIZE}",Rt.instanceSize.toString()]]),s=new tt(e,{name:"GSplatProjectorWriteIndirectArgs",shaderLanguage:de,cshader:FV,cdefines:t,computeBindGroupFormat:this._writeArgsBindGroupFormat,computeUniformBufferFormats:{uniforms:this._writeArgsUniformBufferFormat}});this._writeIndirectArgsCompute=new Qe(e,s,"GSplatProjectorWriteIndirectArgs")}_destroyProjectorComputes(){for(const e of this._projectorComputes.values())e.shader?.destroy();this._projectorComputes.clear(),this._projectorBindGroupFormat?.destroy(),this._projectorBindGroupFormat=null}_projectorKey(e,t,s,i){return`${e?"r":"l"}${t?"p":""}${s?"f":""}${i?"a":""}`}_createProjectorCompute(e,t,s,i,r){const a=this.device,n=e.format,o=[new q("compactedS

15056platIds",G,!0),new q("sortElementCount",G,!0),new q("projCache",G),new q("sortKeys",G),new q("renderCounter",G),new q("binWeights",G,!0),new At("uniforms",G)];this._projectorBindGroupFormat||(this._projectorBindGroupFormat=new Ze(a,[...o,...n.getComputeBindFormats()]));const c=new Map;c.set("gsplatCommonCS",vC),c.set("gsplatTileIntersectCS",SC),c.set("gsplatComputeSplatCS",yC),c.set("gsplatFormatDeclCS",n.getComputeInputDeclarations(o.length)),c.set("gsplatFormatReadCS",n.getReadCode()),c.set("gsplatProjectCommonCS",gC);const h=new Map;h.set("{CACHE_STRIDE}",Tu.toString()),t&&h.set("RADIAL_SORT",""),s&&h.set("PICK_MODE",""),i&&h.set("GSPLAT_FISHEYE",""),r&&h.set("GSPLAT_AA","");const d=n.getStream("dataColor");d&&d.format!==Vi&&h.set("GSPLAT_COLOR_FLOAT","");const u=`GSplatProjector${t?"Radial":"Linear"}${s?"Pick":""}${i?"Fisheye":""}${r?"Aa":""}`,f=i?this._projectorUniformBufferFormatFisheye:this._projectorUniformBufferFormat,p=new tt(a,{name:u,shaderLanguage:de,cshader:LV,cincludes:c,cdefines:h,computeBindGroupFormat:this._projectorBindGroupFormat,computeUniformBufferFormats:{uniforms:f}});return new Qe(a,p,u)}_getProjectorCompute(e,t,s=!1,i=!1,r=!1){const a=e.format;this._formatVersion!==a.extraStreamsVersion&&(this._destroyProjectorComputes(),this._formatVersion=a.extraStreamsVersion);const n=this._projectorKey(t,s,i,r);let o=this._projectorComputes.get(n);return o||(o=this._createProjectorCompute(e,t,s,i,r),this._projectorComputes.set(n,o)),o}_ensureCapacity(e){e>this._allocatedCacheCount&&(this.projCache?.destroy(),this.sortKeys?.destroy(),this._allocatedCacheCount=e,this.projCache=new Se(this.device,e*Tu*4),this.sortKeys=new Se(this.device,e*4,Si))}dispatch(e){const{workBuffer:t,cameraNode:s,compactedSplatIds:i,sortElementCountBuffer:r,totalCapacity:a,radialSort:n,numBits:o,minDist:c,maxDist:h,alphaClip:d,minPixelSize:u,minContribution:f,viewportWidth:p,viewportHeight:m,flipY:_,pickMode:g=!1,fisheyeProj:v,antiAlias:x=!1}=e,y=!!v?.enabled,S=x&&!g;this._ensureCapacity(a),this.renderCounter.clear();const T=this._getProjectorCompute(t,n,g,y,S),w=s.getPosition(),b=s.getWorldTransform().getZ(NV).normalize(),I=h-c,P=I>0?1/I:1,L=1<<o,O=Vl.computeCameraBin(n,c,I),D=this.binWeightsUtil.compute(O,L);this.binWeightsBuffer.write(0,D),T.setParameter("compactedSplatIds",i),T.setParameter("sortElementCount",r),T.setParameter("projCache",this.projCache),T.setParameter("sortKeys",this.sortKeys),T.setParameter("renderCounter",this.renderCounter),T.setParameter("binWeights",this.binWeightsBuffer);for(const U of t.format.resourceStreams){const B=t.getTexture(U.name);B&&T.setParameter(U.name,B)}const k=s.camera.camera,A=k.viewMatrix,M=this.device.isWebGPU;b0.mul2(cs.applyShaderProjectionTransform(k.projectionMatrix,I0,_,M),A),A0.set(b0.data),P0.set(A.data);const R=p*I0.data[0];this.cameraPositionData[0]=w.x,this.cameraPositionData[1]=w.y,this.cameraPositionData[2]=w.z,T.setParameter("cameraPosition",this.cameraPositionData),this.cameraDirectionData[0]=b.x,this.cameraDirectionData[1]=b.y,this.cameraDirectionData[2]=b.z,T.setParameter("cameraDirection",this.cameraDirectionData),T.setParameter("viewMatrix",P0),T.setParameter("viewProj",A0),T.setParameter("focal",R),T.setParameter("viewportWidth",p),T.setParameter("viewportHeight",m),T.setParameter("nearClip",k.nearClip),T.setParameter("farClip",k.farClip),T.setParameter("alphaClip",d),T.setParameter("minPixelSize",u),T.setParameter("minContribution",f),T.setParameter("isOrtho",k.projection===Sn?1:0),T.setParameter("splatTextureSize",t.textureSize),T.setParameter("numBins",Vl.NUM_BINS),T.setParameter("minDist",c),T.setParameter("invRange",P),T.setParameter("pad0",0),y&&(T.setParameter("fisheye_k",v.k),T.setParameter("fisheye_inv_k",v.invK),T.setParameter("fisheye_projMat00",v.projMat00),T.setParameter("fisheye_projMat11",v.projMat11));const F=Math.ceil(a/BV);Qe.calcDispatchSize(F,om,this.device.limits.maxComputeWorkgroupsPerDimension||65535),T.setupDispatch(om.x,om.y,1),this.device.computeDispatch([T],"GSplatProjector")}writeIndirectArgs(e,t,s,i,r){const a=this._writeIndirectArgsCompute;a.setParameter("renderCounter",this.renderCounter),a.setParameter("indirectDrawArgs",this.device.indirectDrawBuffer),a.setParameter("numSplatsBuf",s),a.setParameter("indirectDispatchArgs",this.device.indirectDispatchBuffer),a.setParameter("sortElementCountBuf",i),a.setParameter("drawSlot",e),a.setParameter("indexCount",OV),a.setParameter("sortSlotBase",t),a.setParameter("pad0",0),a.setParameter("sortIndirectInfo",r),a.setupDispatch(1),this.device.computeDispatch([a],"GSplatProjectorWriteIndirectArgs")}}const xC=new GT;class D_{resource;node;intervals=new Map;id=0;allocId=xC.get();lodIndex=0;_lodBaseDistance=5;_lodMultiplier=3;set lodBaseDistance(e){this._lodBaseDistance!==e&&(this._lodBaseDistance=e,this.lod

15056Dirty=!0)}get lodBaseDistance(){return this._lodBaseDistance}set lodMultiplier(e){this._lodMultiplier!==e&&(this._lodMultiplier=e,this.lodDirty=!0)}get lodMultiplier(){return this._lodMultiplier}_aabb=null;parameters=null;_streams=null;lodDirty=!1;renderDirty=!1;workBufferUpdate=Qm;_lastFormatVersion=-1;_workBufferModifier=null;parentPlacement=null;constructor(e,t,s=0,i=null,r=null,a=null){this.id=a??r?.id??0,this.resource=e,this.node=t,this.lodIndex=s,this.parameters=i??r?.parameters??null,this.parentPlacement=r}destroy(){this._streams?.destroy(),this._streams=null,this.intervals.clear(),this.resource=null}set workBufferModifier(e){this._workBufferModifier=e,this.renderDirty=!0}get workBufferModifier(){return this.parentPlacement?.workBufferModifier??this._workBufferModifier}consumeRenderDirty(){const e=this.resource?.format;e&&this._lastFormatVersion!==e.extraStreamsVersion&&(this._lastFormatVersion=e.extraStreamsVersion,this.renderDirty=!0),this.workBufferUpdate===XI?this.renderDirty=!0:this.workBufferUpdate===WI&&(this.renderDirty=!0,this.workBufferUpdate=Qm);const t=this.renderDirty;return this.renderDirty=!1,t}set aabb(e){this._aabb=e?.clone()??null}get aabb(){return this._aabb??this.resource?.aabb}getLodDistance(e){return this.lodBaseDistance*Math.pow(this.lodMultiplier,e)}getInstanceTexture(e,t){const s=this.resource;if(s?.format)return!this._streams&&s.format.instanceStreams.length>0&&(this._streams=new pu(t,!0),this._streams.textureDimensions.copy(s.streams.textureDimensions),this._streams.syncWithFormat(s.format)),this._streams?.getTexture(e)}get streams(){return this.parentPlacement?.streams??this._streams}ensureInstanceStreams(e){const t=this.resource;t?.format&&!this._streams&&t.format.instanceStreams.length>0&&(this._streams=new pu(e,!0),this._streams.textureDimensions.copy(t.streams.textureDimensions),this._streams.syncWithFormat(t.format))}}const lm=new Z,UV=new E,zV=new E,Wr=[];new Le;const VV=Math.tan(22.5*H.DEG_TO_RAD);new Q(1,0,0),new Q(0,1,0),new Q(0,0,1),new Q(1,1,0),new Q(1,0,1);class GV{currentLod=-1;optimalLod=-1;worldDistance=0;colorAccumulatedTranslation=0;inst=null;lods=null;budgetBucket=0;allocId=xC.get();resetLod(){this.currentLod=-1,this.optimalLod=-1}}class HV{octree;placement;activePlacements=new Set;dirtyModifiedPlacements=!1;dirtyPlacementSetChanged=!1;device;nodeInfos;filePlacements;pending=new Set;pendingDecrements=new Map;removedCandidates=new Set;rangeMin=0;rangeMax=0;previousPosition=new E;needsLodUpdate=!1;prefetchPending=new Set;pendingVisibleAdds=new Map;get pendingLoadCount(){let e=this.pending.size+this.prefetchPending.size;return this.octree.environmentUrl&&!this.environmentPlacement&&e++,e}environmentPlacement=null;_deviceLostEvent=null;_lodMinDistThresholds=null;constructor(e,t,s){this.device=e,this.octree=t,this.placement=s,this.nodeInfos=new Array(t.nodes.length);for(let r=0;r<t.nodes.length;r++){const a=new GV;a.inst=this,this.nodeInfos[r]=a}const i=t.files.length;this.filePlacements=new Array(i).fill(null),t.environmentUrl&&(t.incEnvironmentRefCount(),t.ensureEnvironmentResource()),this._deviceLostEvent=e.on("devicelost",this._onDeviceLost,this)}destroy(e=!1){if(!e&&this.octree&&!this.octree.destroyed){const t=this.getFileDecrements();for(const s of t)this.octree.decRefCount(s,0);for(const s of this.pending)this.filePlacements[s]||this.octree.unloadResource(s);for(const s of this.prefetchPending)this.filePlacements[s]||this.octree.unloadResource(s);this.environmentPlacement&&this.octree.decEnvironmentRefCount()}this.pending.clear(),this.pendingDecrements.clear(),this.filePlacements.length=0,this.environmentPlacement&&(this.activePlacements.delete(this.environmentPlacement),this.environmentPlacement=null),this._deviceLostEvent?.off(),this._deviceLostEvent=null}_onDeviceLost(){for(let e=0;e<this.filePlacements.length;e++)this.filePlacements[e]&&this.octree.decRefCount(e,0);this.filePlacements.fill(null),this.activePlacements.clear(),this.pending.clear(),this.pendingDecrements.clear(),this.removedCandidates.clear(),this.prefetchPending.clear(),this.pendingVisibleAdds.clear();for(const e of this.nodeInfos)e.resetLod();this.environmentPlacement&&(this.activePlacements.delete(this.environmentPlacement),this.environmentPlacement=null,this.octree.unloadEnvironmentResource()),this.dirtyModifiedPlacements=!0,this.dirtyPlacementSetChanged=!0,this.needsLodUpdate=!0}getFileDecrements(){const e=[];for(let t=0;t<this.filePlacements.length;t++)this.filePlacements[t]&&e.push(t);return e}selectDesiredLodIndex(e,t,s,i){if(i>0){const r=Math.min(s,t+i);for(let a=t;a<=r;a++){const n=e.lods[a].fileIndex;if(n!==-1&&this.octree.getFileResource(n))return a}for(let a=r;a>=t;a--)if(e.lods[a].fileIndex!==-1)return a}return t}prefetchNextLod(e,t,s){if(t===-1||s===-1)return;if(t===s){const r=e.lods[s].fileIndex;r!==-1&&(this.octree.ensureFileResource(r),this.octree.getFileResource(r)||this.prefetchPending.add(r));return}const i=Math.max(s,t-1);for(let r=i;r>=s;r--){const a=e.lods[r].fileIndex;if(a!==-1){this.octree.ensureFileResource(a),this.octree.getFileResource(a)||this.prefetchPending.add(a);break}}}updateLod(e,t){const s=this.octree.lodLevels-1,{lodBaseDistance:i,lodMultiplier:r}=this.placement,{lodRangeMin:a,lodRangeMax:n}=t,o=Math.max(0,Math.min(a??0,s)),c=Math.max(o,Math.min(n??s,s)),h=this.placement.node.getWorldTransform().getScale().x;this.evaluateNodeLods(e,s,i,r,o,c,t,h,!1),this.applyLodChanges(s,t)}_ensureLodMinDistThresholds(e,t,s){const i=e+1;let r=this._lodMinDistThresholds;(!r||r.length<i)&&(r=new Float32Array(i),this._lodMinDistThresholds=r);let a=t;r[1]=a;for(let n=2;n<=e;n++)a*=s,r[n]=a;return r}evaluateNodeLods(e,t,s,i,r,a,n,o,c=!0,h=0){const{lodBehindPenalty:d}=n,u=e.camera;let f=Math.tan(u.fov*.5*H.DEG_TO_RAD);u.horizontalFov&&(f/=u.aspectRatio);const p=f*u.aspectRatio,m=Math.min(f,p)/VV,_=e.getPosition(),g=this.placement.node.getWorldTransform();lm.copy(g).invert();const v=lm.transformPoint(_,UV),x=e.forward,y=lm.transformVector(x,zV).normalize(),S=this.octree.nodes,T=this.nodeInfos,w=this.octree.nodeBoundsMinMax,C=v.x,b=v.y,I=v.z,P=y.x,L=y.y,O=y.z;let D=0,N=null;t>=1&&(N=this._ensureLodMinDistThresholds(t,s,i));const k=h>0?Kr/Math.sqrt(h):0;for(let A=0;A<S.length;A++){const M=T[A],R=A*6;let F=C;const U=w[R],B=w[R+3];F<U?F=U:F>B&&(F=B);let z=b;const $=w[R+1],K=w[R+4];z<$?z=$:z>K&&(z=K);let Y=I;const te=w[R+2],J=w[R+5];Y<te?Y=te:Y>J&&(Y=J);const _e=F-C,Ae=z-b,we=Y-I,$e=Math.sqrt(_e*_e+Ae*Ae+we*we);let Ye=$e;if(d>1&&$e>.01){const ke=(P*_e+L*Ae+O*we)/$e;if(ke<0){const se=1+-ke*(d-1);Ye=$e*se}}const Ee=Ye*m;let Pe;if(t===0||Ee<s)Pe=0;else for(Pe=t;Pe>1&&Ee<N[Pe];)Pe--;if(Pe<r&&(Pe=r),Pe>a&&(Pe=a),M.optimalLod=Pe,M.worldDistance=Ee*o,k>0&&Pe>=0){const ke=Math.sqrt(M.worldDistance)*k>>>0;M.budgetBucket=ke<Kr?ke:Kr-1}if(c){const ke=S[A].lods[Pe];ke&&ke.count&&(D+=ke.count)}}return D}

15056evaluateOptimalLods(e,t,s=1,i=0){const r=this.octree.lodLevels-1,{lodBaseDistance:a,lodMultiplier:n}=this.placement,{lodRangeMin:o,lodRangeMax:c}=t,h=Math.max(0,Math.min(o??0,r)),d=Math.max(h,Math.min(c??r,r));this.rangeMin=h,this.rangeMax=d;const u=this.placement.node.getWorldTransform().getScale().x,f=a*s,p=Math.max(1.2,n*Math.pow(s,-.2));return this.evaluateNodeLods(e,r,f,p,h,d,t,u,!0,i)}applyLodChanges(e,t){const s=this.octree.nodes,{lodUnderfillLimit:i=0}=t;for(let r=0;r<s.length;r++){const a=s[r],n=this.nodeInfos[r],o=n.optimalLod,c=n.currentLod,h=this.selectDesiredLodIndex(a,o,e,i);if(h!==c){const d=c>=0?a.lods[c].fileIndex:-1,u=h>=0?a.lods[h].fileIndex:-1,f=d!==-1,p=u!==-1,m=this.pendingDecrements.get(r);if(m&&m.newFileIndex!==u&&(this.filePlacements[m.newFileIndex]&&this.decrementFileRef(m.newFileIndex,r),f&&p?this.pendingDecrements.set(r,{oldFileIndex:m.oldFileIndex,newFileIndex:u}):this.pendingDecrements.delete(r)),!f&&p){const _=this.pendingVisibleAdds.get(r);_!==void 0&&_!==u&&(this.decrementFileRef(_,r),this.pendingVisibleAdds.delete(r)),this.incrementFileRef(u,r,h),this.filePlacements[u]?.resource?(n.currentLod=h,this.pendingVisibleAdds.delete(r)):this.pendingVisibleAdds.set(r,u)}else if(f&&!p){const _=this.pendingDecrements.get(r);_&&(this.decrementFileRef(_.newFileIndex,r),this.pendingDecrements.delete(r)),this.decrementFileRef(d,r),n.currentLod=-1,this.pendingVisibleAdds.delete(r)}else f&&p&&(this.incrementFileRef(u,r,h),this.filePlacements[u]?.resource?(this.decrementFileRef(d,r),this.pendingDecrements.delete(r),n.currentLod=h,this.pendingVisibleAdds.delete(r)):(this.pendingDecrements.set(r,{oldFileIndex:d,newFileIndex:u}),this.pendingVisibleAdds.delete(r)))}this.prefetchNextLod(a,h,o)}}incrementFileRef(e,t,s){if(e===-1)return;let i=this.filePlacements[e];i||(i=new D_(null,this.placement.node,s,null,this.placement),this.filePlacements[e]=i,this.removedCandidates.delete(e)||this.octree.incRefCount(e),this.addFilePlacement(e)||(this.octree.ensureFileResource(e),this.pending.add(e)));const n=this.octree.nodes[t].lods[s],o=new j(n.offset,n.offset+n.count-1);i.intervals.set(t,o),this.dirtyModifiedPlacements=!0}decrementFileRef(e,t){if(e===-1)return;const s=this.filePlacements[e];s&&s&&(s.intervals.delete(t),this.dirtyModifiedPlacements=!0,s.intervals.size===0&&(s.resource&&(this.activePlacements.delete(s),this.activePlacements.size===0&&(this.dirtyPlacementSetChanged=!0)),this.removedCandidates.add(e),this.filePlacements[e]=null,this.pending.delete(e)))}addFilePlacement(e){const t=this.octree.getFileResource(e);if(t){const s=this.filePlacements[e];if(s)return s.resource=t,this.activePlacements.size===0&&(this.dirtyPlacementSetChanged=!0),this.activePlacements.add(s),this.dirtyModifiedPlacements=!0,this.removedCandidates.delete(e),!0}return!1}testMoved(e){return this.placement.node.getPosition().distance(this.previousPosition)>e}updateMoved(){this.previousPosition.copy(this.placement.node.getPosition())}update(){if(this.placement.lodDirty&&(this.placement.lodDirty=!1,this.needsLodUpdate=!0),this.pending.size){for(const t of this.pending)if(this.octree.ensureFileResource(t),this.addFilePlacement(t)){Wr.push(t);for(const[s,{oldFileIndex:i,newFileIndex:r}]of this.pendingDecrements)if(r===t){this.decrementFileRef(i,s),this.pendingDecrements.delete(s);let a=0;const n=this.octree.nodes[s].lods;for(let o=0;o<n.length;o++)if(n[o].fileIndex===r){a=o;break}this.nodeInfos[s].currentLod=a}}Wr.length>0&&(this.needsLodUpdate=!0);for(const t of Wr)this.pending.delete(t);Wr.length=0}if(this.pollPrefetchCompletions(),this.octree.environmentUrl&&!this.environmentPlacement){this.octree.ensureEnvironmentResource();const t=this.octree.environmentResource;t&&(this.environmentPlacement=new D_(t,this.placement.node,0,null,this.placement),this.environmentPlacement.aabb.copy(t.aabb),this.activePlacements.add(this.environmentPlacement),this.dirtyModifiedPlacements=!0,this.dirtyPlacementSetChanged=!0,t.releaseTextureSources?.())}const e=this.dirtyModifiedPlacements;return this.dirtyModifiedPlacements=!1,e}consumePlacementSetChanged(){const e=this.dirtyPlacementSetChanged;return this.dirtyPlacementSetChanged=!1,e}debugRender(e){}consumeNeedsLodUpdate(){const e=this.needsLodUpdate;return this.needsLodUpdate=!1,e}pollPrefetchCompletions(){if(this.prefetchPending.size){for(const e of this.prefetchPending)this.octree.ensureFileResource(e),this.octree.getFileResource(e)&&Wr.push(e);Wr.length>0&&(this.needsLodUpdate=!0);for(const e of Wr)this.prefetchPending.delete(e);Wr.length=0}}}const D0=new E,M0=new E;class WV{lods;bounds=new Le;boundingSphere=new ie;constructor(e,t){this.lods=e,D0.set(t.min[0],t.min[1],t.min[2]),M0.set(t.max[0],t.max[1],t.max[2]),this.bounds.setMinMax(D0,M0);

15056const s=this.bounds.center,i=this.bounds.halfExtents,r=Math.sqrt(i.x*i.x+i.y*i.y+i.z*i.z);this.boundingSphere.set(s.x,s.y,s.z,r)}}const cm=[];class XV{nodes;nodeBoundsMinMax;files;lodLevels;assetFileUrl;fileResources=new Map;fileRefCounts;cooldowns=new Map;environmentUrl=null;environmentResource=null;environmentRefCount=0;assetLoader=null;destroyed=!1;cooldownTicks=100;constructor(e,t){this.lodLevels=t.lodLevels,this.assetFileUrl=e;const s=ve.getDirectory(e);this.files=t.filenames.map(n=>({url:ve.isRelativePath(n)?ve.join(s,n):n,lodLevel:-1})),this.fileRefCounts=new Int32Array(this.files.length),t.environment&&(this.environmentUrl=ve.isRelativePath(t.environment)?ve.join(s,t.environment):t.environment);const i=[];this._extractLeafNodes(t.tree,i),this.nodes=i.map(n=>{const o=[];for(let c=0;c<this.lodLevels;c++){const h=n.lods[c.toString()];h?(o.push({file:this.files[h.file].url||"",fileIndex:h.file,offset:h.offset||0,count:h.count||0}),this.files[h.file].lodLevel=c):o.push({file:"",fileIndex:-1,offset:0,count:0})}return new WV(o,n.bound)});const r=this.nodes.length,a=new Float32Array(r*6);for(let n=0;n<r;n++){const o=this.nodes[n].bounds,c=o.getMin(),h=o.getMax(),d=n*6;a[d+0]=c.x,a[d+1]=c.y,a[d+2]=c.z,a[d+3]=h.x,a[d+4]=h.y,a[d+5]=h.z}this.nodeBoundsMinMax=a}destroy(){this.destroyed=!0,this.fileResources.clear(),this.cooldowns.clear(),this.assetLoader?.destroy(),this.assetLoader=null,this.environmentResource=null}_traceLodCounts(){}_extractLeafNodes(e,t){if(e.lods)t.push({lods:e.lods,bound:e.bound});else if(e.children)for(const s of e.children)this._extractLeafNodes(s,t)}getFileResource(e){return this.fileResources.get(e)}incRefCount(e){const t=this.fileRefCounts[e]+1;this.fileRefCounts[e]=t,this.cooldowns.delete(e)}decRefCount(e,t){const s=this.fileRefCounts[e]-1;this.fileRefCounts[e]=s,s===0&&(t===0?this.unloadResource(e):this.cooldowns.set(e,t))}unloadResource(e){if(!this.assetLoader)return;const t=this.files[e].url;this.assetLoader.unload(t),this.fileResources.has(e)&&(this.fileResources.delete(e),this._traceLodCounts())}updateCooldownTick(e){this.cooldownTicks=e,this.cooldowns.size>0&&(this.cooldowns.forEach((t,s)=>{t<=1?(this.fileRefCounts[s]===0&&this.unloadResource(s),cm.push(s)):this.cooldowns.set(s,t-1)}),cm.forEach(t=>this.cooldowns.delete(t)),cm.length=0)}ensureFileResource(e){if(this.fileResources.has(e))return;const t=this.files[e].url,s=this.assetLoader?.getResource(t);if(s){this.fileResources.set(e,s),s.releaseTextureSources?.(),this.fileRefCounts[e]===0&&this.cooldowns.set(e,this.cooldownTicks),this._traceLodCounts();return}this.assetLoader?.load(t)}incEnvironmentRefCount(){this.environmentRefCount++}decEnvironmentRefCount(){this.environmentRefCount--,this.environmentRefCount===0&&this.unloadEnvironmentResource()}ensureEnvironmentResource(){if(!this.assetLoader||!this.environmentUrl||this.environmentResource)return;const e=this.assetLoader.getResource(this.environmentUrl);if(e){this.environmentResource=e,this.environmentRefCount===0&&this.unloadEnvironmentResource();return}this.assetLoader.load(this.environmentUrl)}unloadEnvironmentResource(){this.assetLoader&&this.environmentResource&&this.environmentUrl&&(this.assetLoader.unload(this.environmentUrl),this.environmentResource=null)}}class TC{aabb=new Le;centersVersion=0;octree;data;constructor(e,t,s){this.octree=new XV(e,t),this.octree.assetLoader=s,this.aabb.setMinMax(new E(t.tree.bound.min),new E(t.tree.bound.max)),this.data=t,this.data.tree=null}destroy(){this.octree?.destroy(),this.octree=null}}const hm=new Set,ir=[],eo=[],to=[];class YV{version=0;sortParametersSet=!1;sortedBefore=!1;splats=[];textureSize=0;totalActiveSplats=0;totalIntervals=0;boundsGroups=[];pendingReleases=[];needsUpload=[];needsUploadIds=new Set;allocIdToSplat=new Map;fullRebuild=!1;constructor(e,t,s,i,r){if(this.version=t,this.splats=s,s.length===0){for(const[,o]of r)i.free(o);r.clear(),this.totalActiveSplats=0,this.totalIntervals=0,this.textureSize=1;return}this.computeAllocationDiff(s,r);const{fullRebuild:a,changedAllocIds:n}=this.applyAllocations(e,i,r);this.assignSplatOffsets(s,r,a,n),this.buildBoundsGroups(s)}

15056destroy(){this.splats.forEach(e=>e.destroy()),this.splats.length=0,this.needsUpload.length=0,this.needsUploadIds.clear(),this.allocIdToSplat.clear(),this.boundsGroups.length=0}computeAllocationDiff(e,t){for(let s=0;s<e.length;s++){const i=e[s],r=i.intervalAllocIds,a=i.intervals,n=a.length/2;if(n>0&&r.length===n)for(let o=0;o<n;o++)this._diffAlloc(r[o],a[o*2+1]-a[o*2],t);else this._diffAlloc(i.allocId,i.activeSplats,t)}for(const[s,i]of t)hm.has(s)||(to.push(i),t.delete(s))}_diffAlloc(e,t,s){hm.add(e);const i=s.get(e);i?i.size!==t&&(to.push(i),s.delete(e),t>0&&(ir.push(e),eo.push(t))):t>0&&(ir.push(e),eo.push(t))}applyAllocations(e,t,s){let i=!1;if(to.length>0||eo.length>0){i=t.updateAllocation(to,eo);for(let c=0;c<ir.length;c++)s.set(ir[c],eo[c])}this.fullRebuild=i;const r=to.length+ir.length,a=Math.max(50,r);if(!i&&t.fragmentation>.3){const c=t.defrag(a);if(c.size>0)for(const[h,d]of s)c.has(d)&&ir.push(h)}const n=t.capacity;this.textureSize=n>0?Math.ceil(Math.sqrt(n)):1;const o=ir.length>0?new Set(ir):null;return hm.clear(),ir.length=0,eo.length=0,to.length=0,{fullRebuild:i,changedAllocIds:o}}assignSplatOffsets(e,t,s,i){let r=0,a=0;for(let n=0;n<e.length;n++){const o=e[n],c=o.intervalAllocIds,h=o.intervals,d=h.length/2;a+=d>0?d:1;let u=s;const f=[];if(d>0&&c.length===d)for(let p=0;p<d;p++){this.allocIdToSplat.set(c[p],o);const m=t.get(c[p]);m&&(f.push(m.offset),r+=h[p*2+1]-h[p*2],i&&i.has(c[p])&&(u=!0,this.needsUploadIds.add(c[p])))}else{this.allocIdToSplat.set(o.allocId,o);const p=t.get(o.allocId);p&&(f.push(p.offset),r+=o.activeSplats,i&&i.has(o.allocId)&&(u=!0,this.needsUploadIds.add(o.allocId)))}if(f.length>0&&(o.setLayout(f),u&&(this.needsUpload.push(o),s)))for(let p=0;p<c.length;p++)this.needsUploadIds.add(c[p])}this.totalActiveSplats=r,this.totalIntervals=a}buildBoundsGroups(e){const t=new Map;for(let i=0;i<e.length;i++){const r=e[i],a=r.parentPlacementId;t.has(a)||t.set(a,{splat:r,boundsBaseIndex:0,numBoundsEntries:r.numBoundsEntries})}let s=0;for(const i of t.values())i.boundsBaseIndex=s,s+=i.numBoundsEntries,this.boundsGroups.push(i);for(let i=0;i<e.length;i++){const r=t.get(e[i].parentPlacementId);e[i].boundsBaseIndex=r.boundsBaseIndex}}}class jV{_states=new WeakMap;hasChanges(e){let t=!1;for(const s of e){if(!s.resource)continue;const i=s.resource.format?.extraStreamsVersion??0,r=s.workBufferModifier?.hash??0,a=s.resource.numSplats??0,n=s.resource.centersVersion,o=this._states.get(s);o?(o.formatVersion!==i||o.modifierHash!==r||o.numSplats!==a||o.centersVersion!==n)&&(o.formatVersion=i,o.modifierHash=r,o.numSplats=a,o.centersVersion=n,t=!0):(this._states.set(s,{formatVersion:i,modifierHash:r,numSplats:a,centersVersion:n}),t=!0)}return t}}const qV=`
15057struct Interval {
15058	workBufferBase: u32,
15059	splatCount: u32,
15060	boundsIndex: u32,
15061	pad: u32
15062};
15063struct BoundsEntry {
15064	centerX: f32,
15065	centerY: f32,
15066	centerZ: f32,
15067	radius: f32,
15068	transformIndex: u32,
15069	pad0: u32,
15070	pad1: u32,
15071	pad2: u32
15072};
15073struct CullUniforms {
15074#ifdef GSPLAT_FISHEYE
15075	cameraWorldPos: vec3f,
15076	maxTheta: f32,
15077	cameraForward: vec3f,
15078	numIntervals: u32,
15079#else
15080	frustumPlanes: array<vec4f, 6>,
15081	numIntervals: u32
15082#endif
15083};
15084@group(0) @binding(0) var<uniform> uniforms: CullUniforms;
15085@group(0) @binding(1) var<storage, read> intervals: array<Interval>;
15086@group(0) @binding(2) var<storage, read_write> countBuffer: array<u32>;
15087@group(0) @binding(3) var<storage, read> boundsBuffer: array<BoundsEntry>;
15088@group(0) @binding(4) var<storage, read> transformsBuffer: array<vec4f>;
15089@compute @workgroup_size({WORKGROUP_SIZE})
15090fn main(@builtin(global_invocation_id) gid: vec3u) {
15091	let idx = gid.x;
15092	if (idx < uniforms.numIntervals) {
15093		let interval = intervals[idx];
15094		let entry = boundsBuffer[interval.boundsIndex];
15095		let localCenter = vec3f(entry.centerX, entry.centerY, entry.centerZ);
15096		let radius = entry.radius;
15097		let base = entry.transformIndex * 3u;
15098		let row0 = transformsBuffer[base];
15099		let row1 = transformsBuffer[base + 1u];
15100		let row2 = transformsBuffer[base + 2u];
15101		let worldCenter = vec3f(
15102			dot(vec4f(localCenter, 1.0), row0),
15103			dot(vec4f(localCenter, 1.0), row1),
15104			dot(vec4f(localCenter, 1.0), row2)
15105		);

15106		let worldRadius = radius * length(vec3f(row0.x, row1.x, row2.x));
15107	#ifdef GSPLAT_FISHEYE
15108		let v = worldCenter - uniforms.cameraWorldPos;
15109		let d = length(v);
15110		var visible = true;
15111		if (d > worldRadius) {
15112			let cosAngle = dot(v / d, uniforms.cameraForward);
15113			let theta = acos(clamp(cosAngle, -1.0, 1.0));
15114			let angularRadius = asin(min(worldRadius / d, 1.0));
15115			visible = (theta - angularRadius) < uniforms.maxTheta;
15116		}
15117	#else
15118		var visible = true;
15119		for (var p = 0; p < 6; p++) {
15120			let plane = uniforms.frustumPlanes[p];
15121			let dist = dot(plane.xyz, worldCenter) + plane.w;
15122			if (dist <= -worldRadius) {
15123				visible = false;
15124				break;
15125			}
15126		}
15127	#endif
15128		countBuffer[idx] = select(0u, interval.splatCount, visible);
15129	}
15130	if (idx == 0u) {
15131		countBuffer[uniforms.numIntervals] = 0u;
15132	}
15133}
15134`,$V=`
15135struct Interval {
15136	workBufferBase: u32,
15137	splatCount: u32,
15138	boundsIndex: u32,
15139	pad: u32
15140};
15141struct ScatterUniforms {
15142	numIntervals: u32,
15143	pad0: u32,
15144	pad1: u32,
15145	pad2: u32
15146};
15147@group(0) @binding(0) var<uniform> uniforms: ScatterUniforms;
15148@group(0) @binding(1) var<storage, read> intervals: array<Interval>;
15149@group(0) @binding(2) var<storage, read> prefixSumBuffer: array<u32>;
15150@group(0) @binding(3) var<storage, read_write> compactedOutput: array<u32>;
15151@compute @workgroup_size({WORKGROUP_SIZE})
15152fn main(@builtin(workgroup_id) wgId: vec3u, @builtin(local_invocation_id) lid: vec3u) {
15153	let intervalIdx = wgId.x;
15154	if (intervalIdx >= uniforms.numIntervals) { return; }
15155	let outputOffset = prefixSumBuffer[intervalIdx];
15156	let nextOffset = prefixSumBuffer[intervalIdx + 1u];
15157	let count = nextOffset - outputOffset;
15158	if (count == 0u) { return; }
15159	let workBufferBase = intervals[intervalIdx].workBufferBase;
15160	let tid = lid.x;
15161	for (var j = tid; j < count; j += {WORKGROUP_SIZE}u) {
15162		compactedOutput[outputOffset + j] = workBufferBase + j;
15163	}
15164}
15165`,KV=`
15166${Of}
15167${Bf}
15168${jg}
15169@group(0) @binding(0) var<storage, read> prefixSumBuffer: array<u32>;
15170@group(0) @binding(1) var<storage, read_write> indirectDrawArgs: array<DrawIndexedIndirectArgs>;
15171@group(0) @binding(2) var<storage, read_write> numSplatsBuf: array<u32>;
15172@group(0) @binding(3) var<storage, read_write> indirectDispatchArgs: array<u32>;
15173@group(0) @binding(4) var<storage, read_write> sortElementCountBuf: array<u32>;
15174struct WriteArgsUniforms {
15175	drawSlot: u32,
15176	indexCount: u32,
15177	dispatchSlotBase: u32,
15178	totalSplats: u32,
15179	sortIndirectInfo: vec4<u32>
15180};
15181@group(0) @binding(5) var<uniform> uniforms: WriteArgsUniforms;
15182@compute @workgroup_size(1)
15183fn main(@builtin(global_invocation_id) gid: vec3u) {
15184	let count = prefixSumBuffer[uniforms.totalSplats];
15185	let instanceCount = (count + {INSTANCE_SIZE}u - 1u) / {INSTANCE_SIZE}u;
15186	indirectDrawArgs[uniforms.drawSlot] = DrawIndexedIndirectArgs(
15187		uniforms.indexCount,
15188		instanceCount,
15189		0u,
15190		0,
15191		0u
15192	);
15193	numSplatsBuf[0] = count;
15194	let keygenSlot = uniforms.dispatchSlotBase;
15195	let keygenOffset = keygenSlot * 3u;
15196	let keygenWorkgroupCount = (count + {KEYGEN_THREADS_PER_WORKGROUP}u - 1u) / {KEYGEN_THREADS_PER_WORKGROUP}u;
15197	let keygenDim = calcDispatch2D(keygenWorkgroupCount, {MAX_WORKGROUPS_PER_DIM}u);
15198	indirectDispatchArgs[keygenOffset + 0u] = keygenDim.x;
15199	indirectDispatchArgs[keygenOffset + 1u] = keygenDim.y;
15200	indirectDispatchArgs[keygenOffset + 2u] = 1u;
15201	writeSortIndirectArgs(keygenSlot + 1u, count, uniforms.sortIndirectInfo);
15202	sortElementCountBuf[0] = count;
15203}
15204`,dm=256,ZV=6*Rt.instanceSize,um=4;class R0{device;compactedSplatIds=null;intervalsBuffer=null;countBuffer=null;prefixSumKernel=null;numSplatsBuffer=null;sortElementCountBuffer=null;allocatedCompactedCount=0;allocatedIntervalCount=0;allocatedCountBufferSize=0;_uploadedVersion=-1;_cullComputePerspective=null;_cullComputeFisheye=null;_scatterCompute=null;_writeIndirectArgsCompute=null;_cullBindGroupFormatPerspective=null;_cullBindGroupFormatFisheye=null;_scatterBindGroupFormat=null;_writeArgsBindGroupFormat=null;_scatterUniformBufferFormat=null;_writeArgsUniformBufferFormat=null;constructor(e){this.device=e,this.numSplatsBuffer=new Se(e,4,Si|ct),this.sortElementCountBuffer=new Se(e,4,Si|ct),this.prefixSumKernel=new Gg(e),this._createUniformBufferFormats(),this._createScatterCompute(),this._createWriteIndirectArgsCompute()}

15204destroy(){this.compactedSplatIds?.destroy(),this.intervalsBuffer?.destroy(),this.countBuffer?.destroy(),this.prefixSumKernel?.destroy(),this.numSplatsBuffer?.destroy(),this.sortElementCountBuffer?.destroy(),this._destroyCullPass(),this._scatterCompute?.shader?.destroy(),this._scatterBindGroupFormat?.destroy(),this._writeIndirectArgsCompute?.shader?.destroy(),this._writeArgsBindGroupFormat?.destroy(),this.compactedSplatIds=null,this.intervalsBuffer=null,this.countBuffer=null,this.prefixSumKernel=null,this.numSplatsBuffer=null,this.sortElementCountBuffer=null,this._scatterCompute=null,this._scatterBindGroupFormat=null,this._writeIndirectArgsCompute=null,this._writeArgsBindGroupFormat=null,this._scatterUniformBufferFormat=null,this._writeArgsUniformBufferFormat=null}_destroyCullPass(){this._cullComputePerspective?.shader?.destroy(),this._cullBindGroupFormatPerspective?.destroy(),this._cullComputePerspective=null,this._cullBindGroupFormatPerspective=null,this._cullComputeFisheye?.shader?.destroy(),this._cullBindGroupFormatFisheye?.destroy(),this._cullComputeFisheye=null,this._cullBindGroupFormatFisheye=null}_createUniformBufferFormats(){const e=this.device;this._scatterUniformBufferFormat=new vt(e,[new X("numIntervals",le),new X("pad0",le),new X("pad1",le),new X("pad2",le)]),this._writeArgsUniformBufferFormat=new vt(e,[new X("drawSlot",le),new X("indexCount",le),new X("dispatchSlotBase",le),new X("totalSplats",le),new X("sortIndirectInfo",oa)])}_createCullPass(e){const t=this.device,s=e?"Fisheye":"",i=new Ze(t,[new At("uniforms",G),new q("intervals",G,!0),new q("countBuffer",G,!1),new q("boundsBuffer",G,!0),new q("transformsBuffer",G,!0)]),r=new Map([["{WORKGROUP_SIZE}",dm.toString()]]);e&&r.set("GSPLAT_FISHEYE","");const a=e?new vt(t,[new X("cameraWorldPos",hs),new X("maxTheta",me),new X("cameraForward",hs),new X("numIntervals",le)]):new vt(t,[new X("frustumPlanes",Cr,6),new X("numIntervals",le)]),n=new tt(t,{name:`GSplatIntervalCull${s}`,shaderLanguage:de,cshader:qV,cdefines:r,computeBindGroupFormat:i,computeUniformBufferFormats:{uniforms:a}});return{compute:new Qe(t,n,`GSplatIntervalCull${s}`),bindGroupFormat:i}}_getCullCompute(e){if(e){if(!this._cullComputeFisheye){const{compute:t,bindGroupFormat:s}=this._createCullPass(!0);this._cullComputeFisheye=t,this._cullBindGroupFormatFisheye=s}return this._cullComputeFisheye}if(!this._cullComputePerspective){const{compute:t,bindGroupFormat:s}=this._createCullPass(!1);this._cullComputePerspective=t,this._cullBindGroupFormatPerspective=s}return this._cullComputePerspective}_createScatterCompute(){const e=this.device;this._scatterBindGroupFormat=new Ze(e,[new At("uniforms",G),new q("intervals",G,!0),new q("prefixSumBuffer",G,!0),new q("compactedOutput",G,!1)]);const t=new Map([["{WORKGROUP_SIZE}",dm.toString()]]),s=new tt(e,{name:"GSplatIntervalScatter",shaderLanguage:de,cshader:$V,cdefines:t,computeBindGroupFormat:this._scatterBindGroupFormat,computeUniformBufferFormats:{uniforms:this._scatterUniformBufferFormat}});this._scatterCompute=new Qe(e,s,"GSplatIntervalScatter")}_createWriteIndirectArgsCompute(){const e=this.device;this._writeArgsBindGroupFormat=new Ze(e,[new q("prefixSumBuffer",G,!0),new q("indirectDrawArgs",G,!1),new q("numSplatsBuf",G,!1),new q("indirectDispatchArgs",G,!1),new q("sortElementCountBuf",G,!1),new At("uniforms",G)]);const t=new Map([["{INSTANCE_SIZE}",Rt.instanceSize],["{KEYGEN_THREADS_PER_WORKGROUP}",256],["{MAX_WORKGROUPS_PER_DIM}",e.limits.maxComputeWorkgroupsPerDimension||65535]]),s=new tt(e,{name:"GSplatIntervalWriteIndirectArgs",shaderLanguage:de,cshader:KV,cdefines:t,computeBindGroupFormat:this._writeArgsBindGroupFormat,computeUniformBufferFormats:{uniforms:this._writeArgsUniformBufferFormat}});this._writeIndirectArgsCompute=new Qe(e,s,"GSplatIntervalWriteIndirectArgs")}_ensureCapacity(e,t){t>this.allocatedCompactedCount&&(this.compactedSplatIds?.destroy(),this.allocatedCompactedCount=t,this.compactedSplatIds=new Se(this.device,t*4,Si));const s=e+1;s>this.allocatedCountBufferSize&&(this.countBuffer?.destroy(),this.allocatedCountBufferSize=s,this.countBuffer=new Se(this.device,s*4),this.prefixSumKernel&&this.prefixSumKernel.destroyPasses())}uploadIntervals(e){if(e.version===this._uploadedVersion)return;this._uploadedVersion=e.version;const t=e.splats,s=e.totalIntervals;if(s===0)return;s>this.allocatedIntervalCount&&(this.intervalsBuffer?.destroy(),this.allocatedIntervalCount=s,this.intervalsBuffer=new Se(this.device,s*um*4,ct));const i=new Uint32Array(s*um);let r=0;for(let a=0;a<t.length;a++){const n=t[a];if(n.intervals.length>0){const o=n.intervalNodeIndices;for(let c=0;c<n.intervals.length;c+=2){const h=n.intervals[c+1]-n.intervals[c];i[r++]=n.intervalOffsets[c/2],i[r++]=h,i[r++]=n.boundsBaseIndex+(o.length>0?o[c/2]:0),i[r++]=0}}else i[r++]=n.intervalOffsets[0],i[r++]=n.activeSplats,i[r++]=n.boundsBaseIndex,i[r++]=0}this.intervalsBuffer.write(0,i,0,s*um)}

15204dispatchCompact(e,t,s,i){if(t===0)return;this._ensureCapacity(t,s);const r=this._getCullCompute(i);r.setParameter("intervals",this.intervalsBuffer),r.setParameter("countBuffer",this.countBuffer),r.setParameter("boundsBuffer",e.boundsBuffer),r.setParameter("transformsBuffer",e.transformsBuffer),i?(r.setParameter("cameraWorldPos",e.fisheyeCameraPos),r.setParameter("maxTheta",e.fisheyeMaxTheta),r.setParameter("cameraForward",e.fisheyeCameraForward)):r.setParameter("frustumPlanes[0]",e.frustumPlanes),r.setParameter("numIntervals",t);const a=Math.ceil(t/dm);r.setupDispatch(a),this.device.computeDispatch([r],"GSplatIntervalCull");const n=t+1;this.prefixSumKernel.resize(this.countBuffer,n),this.prefixSumKernel.dispatch(this.device);const o=this._scatterCompute;o.setParameter("intervals",this.intervalsBuffer),o.setParameter("prefixSumBuffer",this.countBuffer),o.setParameter("compactedOutput",this.compactedSplatIds),o.setParameter("numIntervals",t),o.setParameter("pad0",0),o.setParameter("pad1",0),o.setParameter("pad2",0),o.setupDispatch(t),this.device.computeDispatch([o],"GSplatIntervalScatter")}writeIndirectArgs(e,t,s,i){const r=this._writeIndirectArgsCompute;r.setParameter("prefixSumBuffer",this.countBuffer),r.setParameter("indirectDrawArgs",this.device.indirectDrawBuffer),r.setParameter("numSplatsBuf",this.numSplatsBuffer),r.setParameter("indirectDispatchArgs",this.device.indirectDispatchBuffer),r.setParameter("sortElementCountBuf",this.sortElementCountBuffer),r.setParameter("drawSlot",e),r.setParameter("indexCount",ZV),r.setParameter("dispatchSlotBase",t),r.setParameter("totalSplats",s),r.setParameter("sortIndirectInfo",i),r.setupDispatch(1),this.device.computeDispatch([r],"GSplatIntervalWriteIndirectArgs")}}class QV{_buckets=null;_initBuckets(){if(!this._buckets){this._buckets=new Array(Kr);for(let e=0;e<Kr;e++)this._buckets[e]=[]}}balance(e,t){this._initBuckets();for(let n=0;n<Kr;n++)this._buckets[n].length=0;let s=0;for(const[,n]of e){const o=n.octree.nodes,c=n.nodeInfos;for(let h=0,d=o.length;h<d;h++){const u=c[h],f=u.optimalLod;if(f<0)continue;const p=o[h].lods;u.lods=p,this._buckets[u.budgetBucket].push(u),s+=p[f].count}}let i=s;if(i===t)return;const r=i>t;let a=!1;for(;!a&&(r?i>t:i<t);){let n=!1;if(r)for(let o=Kr-1;o>=0&&!a;o--){const c=this._buckets[o];for(let h=0,d=c.length;h<d;h++){const u=c[h];if(u.optimalLod<u.inst.rangeMax){const f=u.lods,p=u.optimalLod;if(i-=f[p].count-f[p+1].count,u.optimalLod=p+1,n=!0,i<=t){a=!0;break}}}}else for(let o=0;o<Kr&&!a;o++){const c=this._buckets[o];for(let h=0,d=c.length;h<d;h++){const u=c[h];if(u.optimalLod>u.inst.rangeMin){const f=u.lods,p=u.optimalLod,m=f[p-1].count-f[p].count;if(i+m<=t){if(u.optimalLod=p-1,i+=m,n=!0,i>=t){a=!0;break}}else{a=!0;break}}}}if(!n)break}}}class JV{_offset=0;_size=0;_free=!0;_prev=null;_next=null;_prevFree=null;_nextFree=null;_bucket=-1;get offset(){return this._offset}get size(){return this._size}}class eG{_headAll=null;_tailAll=null;_freeBucketHeads=[];_pool=[];_capacity=0;_usedSize=0;_freeSize=0;_freeRegionCount=0;_growMultiplier;constructor(e=0,t=1.1){if(this._growMultiplier=t,e>0){this._capacity=e,this._freeSize=e;const s=this._obtain(0,e,!0);this._headAll=s,this._tailAll=s,this._addToBucket(s)}}get capacity(){return this._capacity}get usedSize(){return this._usedSize}get freeSize(){return this._freeSize}get fragmentation(){return this._freeSize>0?1-1/this._freeRegionCount:0}_bucketFor(e){return 31-Math.clz32(e)}_addToBucket(e){const t=this._bucketFor(e._size);for(e._bucket=t;t>=this._freeBucketHeads.length;)this._freeBucketHeads.push(null);e._prevFree=null,e._nextFree=this._freeBucketHeads[t],this._freeBucketHeads[t]&&(this._freeBucketHeads[t]._prevFree=e),this._freeBucketHeads[t]=e,this._freeRegionCount++}_removeFromBucket(e){const t=e._bucket;e._prevFree?e._prevFree._nextFree=e._nextFree:this._freeBucketHeads[t]=e._nextFree,e._nextFree&&(e._nextFree._prevFree=e._prevFree),e._prevFree=null,e._nextFree=null,e._bucket=-1,this._freeRegionCount--}_rebucket(e){this._bucketFor(e._size)!==e._bucket&&(this._removeFromBucket(e),this._addToBucket(e))}_obtain(e,t,s){let i;return this._pool.length>

vendor: 4,446 bytes, line 15204

152040?i=this._pool.pop():i=new JV,i._offset=e,i._size=t,i._free=s,i._prev=null,i._next=null,i._prevFree=null,i._nextFree=null,i._bucket=-1,i}_release(e){e._prev=null,e._next=null,e._prevFree=null,e._nextFree=null,e._bucket=-1,this._pool.push(e)}_insertAfterInMainList(e,t){t===null?(e._prev=null,e._next=this._headAll,this._headAll&&(this._headAll._prev=e),this._headAll=e,this._tailAll||(this._tailAll=e)):(e._prev=t,e._next=t._next,t._next&&(t._next._prev=e),t._next=e,this._tailAll===t&&(this._tailAll=e))}_removeFromMainList(e){e._prev?e._prev._next=e._next:this._headAll=e._next,e._next?e._next._prev=e._prev:this._tailAll=e._prev,e._prev=null,e._next=null}_findFreeBlock(e){const t=this._bucketFor(e),s=this._freeBucketHeads.length;if(t<s){let i=null,r=this._freeBucketHeads[t];for(;r&&!(r._size>=e&&(!i||r._size<i._size)&&(i=r,r._size===e));)r=r._nextFree;if(i)return i}for(let i=t+1;i<s;i++)if(this._freeBucketHeads[i])return this._freeBucketHeads[i];return null}allocate(e){const t=this._findFreeBlock(e);if(!t)return null;if(this._usedSize+=e,this._freeSize-=e,t._size===e)return t._free=!1,this._removeFromBucket(t),t;const s=this._obtain(t._offset,e,!1);return t._offset+=e,t._size-=e,this._rebucket(t),this._insertAfterInMainList(s,t._prev),s}free(e){e._free=!0,this._usedSize-=e._size,this._freeSize+=e._size;const t=e._prev,s=e._next,i=t&&t._free,r=s&&s._free;i&&r?(t._size+=e._size+s._size,this._removeFromMainList(e),this._removeFromMainList(s),this._removeFromBucket(s),this._release(e),this._release(s),this._rebucket(t)):i?(t._size+=e._size,this._removeFromMainList(e),this._release(e),this._rebucket(t)):r?(e._size+=s._size,this._removeFromMainList(s),this._removeFromBucket(s),this._release(s),this._addToBucket(e)):this._addToBucket(e)}grow(e){if(e<=this._capacity)return;const t=e-this._capacity;if(this._capacity=e,this._freeSize+=t,this._tailAll&&this._tailAll._free)this._tailAll._size+=t,this._rebucket(this._tailAll);else{const s=this._obtain(this._capacity-t,t,!0);this._insertAfterInMainList(s,this._tailAll),this._addToBucket(s)}}defrag(e=0,t=new Set){return t.clear(),this._freeRegionCount===0||(e===0?this._defragFull(t):this._defragIncremental(e,t)),t}_defragFull(e){for(let r=0;r<this._freeBucketHeads.length;r++){let a=this._freeBucketHeads[r];for(;a;){const n=a._nextFree;this._removeFromMainList(a),a._prevFree=null,a._nextFree=null,a._bucket=-1,this._pool.push(a),a=n}this._freeBucketHeads[r]=null}this._freeRegionCount=0;let t=0,s=this._headAll;for(;s;)s._offset!==t&&(s._offset=t,e.add(s)),t+=s._size,s=s._next;const i=this._capacity-t;if(i>0){const r=this._obtain(t,i,!0);this._insertAfterInMainList(r,this._tailAll),this._addToBucket(r)}}_defragIncremental(e,t){const s=Math.ceil(e/2),i=e-s;for(let a=0;a<s;a++){let n=this._tailAll;for(;n&&n._free;)n=n._prev;if(!n)break;const o=this._findFreeBlock(n._size);if(!o||o._offset>=n._offset)break;this._moveBlock(n,o),t.add(n)}let r=this._headAll;for(let a=0;a<i&&r;){const n=r._next;if(r._free&&n&&!n._free){const o=n,c=r;o._offset=c._offset,c._offset=o._offset+o._size;const h=c._prev,d=o._next;if(o._prev=h,o._next=c,c._prev=o,c._next=d,h?h._next=o:this._headAll=o,d?d._prev=c:this._tailAll=c,c._next&&c._next._free){const u=c._next;c._size+=u._size,this._removeFromMainList(u),this._removeFromBucket(u),this._release(u),this._rebucket(c)}t.add(o),a++,r=c._next}else r=n}}_moveBlock(e,t){const s=e._size,i=t._offset,r=e._prev;this._removeFromMainList(e);const a=this._obtain(e._offset,s,!0);if(this._insertAfterInMainList(a,r),this._addToBucket(a),a._next&&a._next._free){const n=a._next;a._size+=n._size,this._removeFromMainList(n),this._removeFromBucket(n),this._release(n),this._rebucket(a)}if(a._prev&&a._prev._free){const n=a._prev;n._size+=a._size,this._removeFromMainList(a),this._removeFromBucket(a),this._release(a),this._rebucket(n)}if(e._offset=i,t._size===s){const n=t._prev;this._removeFromMainList(t),this._removeFromBucket(t),this._release(t),this._insertAfterInMainList(e,n)}else t._offset+=s,t._size-=s,this._rebucket(t),this._insertAfterInMainList(e,t._prev)}updateAllocation(e,t){for(let s=0;s<e.length;s++)this.free(e[s]);for(let s=0;s<t.length;s++){const i=t[s],r=this.allocate(i);if(r)t[s]=r;else{let a=i;for(let c=s+1;c<t.length;c++)a+=t[c];const n=this._usedSize+a,o=Math.ceil(n*this._growMultiplier);o>this._capacity&&this.grow(o),this.defrag(0);for(let c=s;c<t.length;c++){const h=t[c],d=this.allocate(h);t[c]=d}return!0}}return!1}}

15204const Xr=new E,Pl=new E,L0=new E,rr=new E,Il=new Z,tG=new Uint32Array([0,0,0,0]),so=new Set,fm=new Set,ld=[],pm=[],Dl=new Set,mm={translationDelta:0},_m=new E,F0=new E,gm=new Set,vm=new Set,O0=[[1,0,0],[0,1,0],[0,0,1],[1,1,0],[1,0,1],[0,1,1],[1,.5,0],[.5,0,1]];new Q(1,0,0),new Q(0,1,0),new Q(0,0,1),new Q(1,1,0),new Q(1,0,1),new Q(0,1,1),new Q(1,.5,0),new Q(.5,0,1);let Yr=null;class sG{device;node=new He("GSplatManager");workBuffer;renderer;worldStates=new Map;lastWorldStateVersion=0;activeRenderer;_worldStateDirty=!1;cpuSorter=null;gpuSorter=null;intervalCompaction=null;projector=null;indirectDrawSlot=-1;indirectDispatchSlot=-1;lastCompactedNumIntervals=0;sortedVersion=0;_awaitingLodUpdate=!1;_workBufferFormatVersion=-1;_workBufferRebuildRequired=!1;bufferCopyUploaded=0;bufferCopyTotal=0;_stateTracker=new jV;_centersVersions=new Map;framesTillFullUpdate=0;lastLodCameraPos=new E(1/0,1/0,1/0);lastLodCameraFwd=new E(1/0,1/0,1/0);lastLodCameraFov=-1;lastSortCameraPos=new E(1/0,1/0,1/0);lastSortCameraFwd=new E(1/0,1/0,1/0);lastCullingCameraFwd=new E(1/0,1/0,1/0);lastCullingProjMat=new Z;sortNeeded=!0;_budgetBalancer=new QV;_budgetScale=1;_allocator;_allocationMap=new Map;lastColorUpdateCameraPos=new E(1/0,1/0,1/0);cameraNode;scene;layerPlacements=[];layerPlacementsDirty=!1;_placementSetChanged=!1;octreeInstances=new Map;octreeInstancesToDestroy=[];hasNewOctreeInstances=!1;renderMode;constructor(e,t,s,i){this.device=e,this.scene=t.scene,this.director=t,this.cameraNode=i;const r=1.15,a=this.scene.gsplat.splatBudget;this._allocator=new eG(a>0?Math.ceil(a*r):0,r),this.workBuffer=new xy(e,this.scene.gsplat.format),this.layer=s,this._createRenderer(this.scene.gsplat.currentRenderer),this._workBufferFormatVersion=this.workBuffer.format.extraStreamsVersion}destroy(){this._destroyed=!0;for(const[,e]of this.worldStates){for(const t of e.splats)t.resource.decRefCount();e.destroy()}this.worldStates.clear();for(const[,e]of this.octreeInstances)e.destroy();this.octreeInstances.clear();for(const e of this.octreeInstancesToDestroy)e.destroy();this.octreeInstancesToDestroy.length=0,this.destroyGpuSorting(),this.destroyCpuSorting(),this.workBuffer.destroy(),this.renderer.destroy()}destroyGpuSorting(){this.gpuSorter?.destroy(),this.gpuSorter=null,this.projector?.destroy(),this.projector=null;const e=!1;this.renderer.setCpuSortedRendering(),this.destroyIntervalCompaction(e)}destroyIntervalCompaction(e=!0){this.intervalCompaction&&(e&&this.renderer.setCpuSortedRendering(),this.intervalCompaction.destroy(),this.intervalCompaction=null)}destroyCpuSorting(){this.cpuSorter?.destroy(),this.cpuSorter=null}initHybridSorting(){this.gpuSorter||(this.gpuSorter=new OM(this.device,{indirect:!0})),this.projector||(this.projector=new kV(this.device))}initCpuSorting(){this.cpuSorter||(this.cpuSorter=this.createSorter());const e=this.worldStates.get(this.sortedVersion);e&&(e.sortParametersSet=!1,e.sortedBefore=!1,this.cpuSorter.updateCentersForSplats(e.splats)),this.renderer.setCpuSortedRendering()}get material(){return this.renderer.material}prepareForPicking(e,t,s){if(this.activeRenderer===uo){const r=this.worldStates.get(this.sortedVersion);if(!r?.sortedBefore||!e.node)return null;const a=this.sortGpuHybridForCamera(r,e.node,t,s,Math.max(wu,this.scene.gsplat.alphaClip),!!this.workBuffer.format.getStream("pcId"));if(!a)return null;const n=this.projector,o=this.intervalCompaction;return this.renderer.prepareForPicking(this.indirectDrawSlot,a,n.projCache,o.numSplatsBuffer,this.scene.gsplat.alphaClip,this.scene.gsplat.alphaClipForward,e.node)}return this.activeRenderer!==Pd?null:this.renderer.dispatchPick(e,t,s)}createSorter(){const e=new lV(this.scene);return e.on("sorted",(t,s,i)=>{this.onSorted(t,s,i)}),e}setRenderMode(e){this.renderMode=e,this.renderer.setRenderMode(e)}get canCull(){return this.activeRenderer!==To&&this.workBuffer.frustumCuller.totalBoundsEntries>0}_createRenderer(e){e===Pd?this.renderer=new RV(this.device,this.node,this.cameraNode,this.layer,this.workBuffer):e===uo?(this.renderer=new dV(this.device,this.node,this.cameraNode,this.layer,this.workBuffer),this.initHybridSorting()):(this.renderer=new cV(this.device,this.node,this.cameraNode,this.layer,this.workBuffer),this.initCpuSorting()),this.activeRenderer=e}prepareRendererMode(){const e=this.scene.gsplat.currentRenderer;e!==this.activeRenderer&&(this._worldStateDirty=!0,this.destroyGpuSorting(),this.destroyCpuSorting(),this.renderer.destroy(),this._createRenderer(e),this.renderer.setRenderMode(this.renderMode),this._workBufferRebuildRequired=!0,this.sortNeeded=!0)}reconcile(e){so.clear();for(const t of e)t.resource instanceof TC?(this.octreeInstances.has(t)||(this.octreeInstances.set(t,new HV(this.device,t.resource.octree,t)),this.hasNewOctreeInstances=!0),fm.add(t)):so.add(t);for(const[t,s]of this.octreeInstances)fm.has(t)||(this.octreeInstances.delete(t),this.layerPlacementsDirty=!0,this._placementSetChanged=!0,this.octreeInstancesToDestroy.push(s));if(this.layerPlacementsDirty||(this.layerPlacementsDirty=this.layerPlacements.length!==so.size),!this.layerPlacementsDirty)for(let t=0;t<this.layerPlacements.length;t++){const s=this.layerPlacements[t];if(!so.has(s)){this.layerPlacementsDirty=!0;break}}this._placementSetChanged||(this._placementSetChanged=this.layerPlacementsDirty),this.layerPlacements.length=0;for(const t of so)this.layerPlacements.push(t);so.clear(),fm.clear()}updateWorldState(){let e=this._stateTracker.hasChanges(this.layerPlacements);for(const[,i]of this.octreeInstances)this._stateTracker.hasChanges(i.activePlacements)&&(e=!0);if(this.layerPlacementsDirty||e||this.worldStates.size===0||this._worldStateDirty){this.lastWorldStateVersion++;const i=[];for(const a of this.layerPlacements){if(this.cpuSorter&&!a.resource.hasCenters)continue;a.ensureInstanceStreams(this.device);const n=new g0(this.device,a.resource,a,a.consumeRenderDirty.bind(a));i.push(n)}

15204for(const[,a]of this.octreeInstances)a.activePlacements.forEach(n=>{if(n.resource){const o=n.resource;if(this.cpuSorter&&!o.hasCenters)return;n.ensureInstanceStreams(this.device);const c=n.intervals.size>0?a.octree.nodes:null,h=c?a.nodeInfos:null,d=new g0(this.device,n.resource,n,n.consumeRenderDirty.bind(n),c,h);i.push(d)}});if(this.cpuSorter)for(const a of i){const n=a.resource;this._centersVersions.get(n.id)!==n.centersVersion&&(this._centersVersions.set(n.id,n.centersVersion),this.cpuSorter.setCenters(n.id,null),this.cpuSorter.setCenters(n.id,n.centers))}this.cpuSorter?.updateCentersForSplats(i);const r=new YV(this.device,this.lastWorldStateVersion,i,this._allocator,this._allocationMap);for(const a of r.splats)a.resource.incRefCount();for(const[,a]of this.octreeInstances)if(a.removedCandidates&&a.removedCandidates.size){for(const n of a.removedCandidates)r.pendingReleases.push([a.octree,n]);a.removedCandidates.clear()}if(this.octreeInstancesToDestroy.length){for(const a of this.octreeInstancesToDestroy){if(a.removedCandidates&&a.removedCandidates.size){for(const o of a.removedCandidates)r.pendingReleases.push([a.octree,o]);a.removedCandidates.clear()}const n=a.getFileDecrements();for(const o of n)r.pendingReleases.push([a.octree,o]);a.destroy(!0)}this.octreeInstancesToDestroy.length=0}this._placementSetChanged&&(r.fullRebuild=!0),this.worldStates.set(this.lastWorldStateVersion,r),this.layerPlacementsDirty=!1,this._placementSetChanged=!1,this._worldStateDirty=!1,this.sortNeeded=!0}}onSorted(e,t,s){this.cleanupOldWorldStates(t),this.sortedVersion=t;const i=this.worldStates.get(t);i&&(i.sortedBefore||(i.sortedBefore=!0,this.rebuildWorkBuffer(i,e)),this.workBuffer.setOrderData(s),this.renderer.setOrderData())}rebuildWorkBuffer(e,t,s=!1){const i=e.textureSize;i!==this.workBuffer.textureSize&&this.workBuffer.resize(i),this.activeRenderer!==To&&(this.workBuffer.frustumCuller.updateBoundsData(e.boundsGroups),this.workBuffer.frustumCuller.updateTransformsData(e.boundsGroups));const r=s||e.fullRebuild,a=r?e.splats:e.needsUpload,n=r?null:e.needsUploadIds;if(a.length>0){const o=this._allocationMap.size,c=r?o:e.needsUploadIds.size;this.bufferCopyUploaded+=c,this.bufferCopyTotal=o,this.workBuffer.render(a,this.cameraNode,this.getDebugColors(),n)}for(let o=0;o<e.splats.length;o++)e.splats[o].update();if(this.updateColorCameraTracking(),e.pendingReleases&&e.pendingReleases.length){const o=this.scene.gsplat.cooldownTicks;for(const[c,h]of e.pendingReleases)c.decRefCount(h,o);e.pendingReleases.length=0}this.renderer.update(t,i)}cleanupOldWorldStates(e){const t=this.worldStates.get(e);if(!t.fullRebuild){for(let s=this.sortedVersion+1;s<e;s++)if(this.worldStates.get(s)?.fullRebuild){t.fullRebuild=!0;break}}if(!t.fullRebuild){const s=t.needsUploadIds,i=t.allocIdToSplat;for(let r=this.sortedVersion+1;r<e;r++){const a=this.worldStates.get(r);if(a){for(const n of a.needsUploadIds)if(!s.has(n)){s.add(n);const o=i.get(n);o&&!vm.has(o)&&(t.needsUpload.push(o),vm.add(o))}}}vm.clear()}for(let s=this.sortedVersion;s<e;s++){const i=this.worldStates.get(s);if(i){for(const r of i.splats)r.resource.decRefCount();this.worldStates.delete(s),i.destroy()}}}applyWorkBufferUpdates(e){const{colorUpdateAngle:t}=this.scene.gsplat,s=Math.tan(t*H.DEG_TO_RAD),i=this.cameraNode.getPosition(),{translationDelta:r}=this.calculateColorCameraDeltas(),a=r>0;let n=0;e.splats.forEach(o=>{if(o.update()){if(ld.push(o),n+=o.intervalAllocIds.length,o.nodeInfos)for(const c of o.intervalNodeIndices)o.nodeInfos[c].colorAccumulatedTranslation=0;else o.colorAccumulatedTranslation=0;this.sortNeeded=!0}else if(a&&o.hasSphericalHarmonics)if(pm.push(o),o.nodeInfos){const c=o.intervalNodeIndices;for(let h=0;h<c.length;h++){const d=o.nodeInfos[c[h]];d.colorAccumulatedTranslation+=r;const u=s*Math.max(1,d.worldDistance);d.colorAccumulatedTranslation>=u&&(Dl.add(o.intervalAllocIds[h]),d.colorAccumulatedTranslation=0,n++)}}else{o.colorAccumulatedTranslation+=r,Il.copy(o.node.getWorldTransform()).invert(),Il.transformPoint(i,_m),o.aabb.closestPoint(_m,F0);const c=_m.distance(F0)*o.node.getWorldTransform().getScale().x,h=s*Math.max(1,c);o.colorAccumulatedTranslation>=h&&(Dl.add(o.allocId),n+=o.intervalAllocIds.length,o.colorAccumulatedTranslation=0)}}),this.bufferCopyUploaded+=n,this.bufferCopyTotal=this._allocationMap.size,ld.length>0&&(this.workBuffer.render(ld,this.cameraNode,this.getDebugColors()),ld.length=0),Dl.size>0&&(this.workBuffer.renderColor(pm,this.cameraNode,this.getDebugColors(),Dl),Dl.clear()),pm.length=0}testCameraMovedForLod(){const e=this.scene.gsplat.lodUpdateDistance,t=this.cameraNode.getPosition(),s=this.lastLodCameraPos.distance(t)>e;if(s)return!0;let i=!1;const r=this.scene.gsplat.lodUpdateAngle;if(r>0)if(Number.isFinite(this.lastLodCameraFwd.x)){const o=this.cameraNode.forward,c=Math.min(1,Math.max(-1,this.lastLodCameraFwd.dot(o))),h=Math.acos(c),d=r*H.DEG_TO_RAD;i=h>d}else i=!0;const a=this.cameraNode.camera.fov,n=this.lastLodCameraFov<0||Math.abs(a-this.lastLodCameraFov)>this.lastLodCameraFov*.02;return s||i||n}testCameraMovedForSort(){if(this.scene.gsplat.radialSorting){const t=this.cameraNode.getPosition();return this.lastSortCameraPos.distance(t)>.001}if(Number.isFinite(this.lastSortCameraFwd.x)){const t=this.cameraNode.forward,s=Math.min(1,Math.max(-1,this.lastSortCameraFwd.dot(t)));return Math.acos(s)>.001}return!0}testFrustumChanged(){if(!this.lastCullingProjMat.equals(this.cameraNode.camera.projectionMatrix))return!0;const t=this.cameraNode.forward,s=Math.min(1,Math.max(-1,this.lastCullingCameraFwd.dot(t)));return Math.acos(s)>.001}

15204updateColorCameraTracking(){this.lastColorUpdateCameraPos.copy(this.cameraNode.getPosition())}getDebugColors(){const e=this.scene.gsplat.debug;if(e===Jm){Yr??(Yr=[]);const t=Math.random(),s=Math.random(),i=Math.random();for(let r=0;r<O0.length;r++)Yr[r]??(Yr[r]=[0,0,0]),Yr[r][0]=t,Yr[r][1]=s,Yr[r][2]=i;return Yr}else if(e===Bl)return O0}calculateColorCameraDeltas(){if(mm.translationDelta=0,isFinite(this.lastColorUpdateCameraPos.x)){const e=this.cameraNode.getPosition();mm.translationDelta=this.lastColorUpdateCameraPos.distance(e)}return mm}fireFrameReadyEvent(){const e=this.sortedVersion===this.lastWorldStateVersion&&!this._awaitingLodUpdate;let t=0;for(const[,s]of this.octreeInstances)t+=s.pendingLoadCount;this.director.eventHandler.fire("frame:ready",this.cameraNode.camera,this.renderer.layer,e,t)}computeGlobalMaxDistance(){let e=0;Xr.copy(this.cameraNode.getPosition());for(const[,t]of this.octreeInstances){const s=t.placement.node.getWorldTransform(),i=t.placement.aabb;s.transformPoint(i.center,rr);const r=s.getScale().x,a=rr.distance(Xr)+i.halfExtents.length()*r;a>e&&(e=a)}return Math.max(e,1)}_enforceBudget(e){const t=this.workBuffer.textureSize;let s=0,i=0;for(const c of this.layerPlacements){const h=c.resource;if(h){const d=h.numSplats??0;s+=d,i+=(t-d%t)%t}}const r=Math.max(1,e-s),a=this.computeGlobalMaxDistance();let n=0;for(const[,c]of this.octreeInstances){n+=c.evaluateOptimalLods(this.cameraNode,this.scene.gsplat,this._budgetScale,a);for(const h of c.activePlacements){const u=h.resource?.numSplats??0;i+=(t-u%t)%t}}const o=Math.max(1,r-i);if(n>0){const c=n/o,h=.4,d=.3;if(c>1+h||c<1-h){const u=1/Math.sqrt(c);this._budgetScale*=1+(u-1)*d,this._budgetScale=Math.max(.01,Math.min(this._budgetScale,100))}}this._budgetBalancer.balance(this.octreeInstances,o);for(const[,c]of this.octreeInstances){const h=c.octree.lodLevels-1;c.applyLodChanges(h,this.scene.gsplat)}}handleFormatChange(){const e=this.scene.gsplat.format;this.workBuffer.format!==e&&(this.workBuffer.destroy(),this.workBuffer=new xy(this.device,e),this.renderer.setDataSource(this.workBuffer),this._workBufferFormatVersion=this.workBuffer.format.extraStreamsVersion,this._workBufferRebuildRequired=!0,this.sortNeeded=!0)}update(){this.bufferCopyUploaded=0,this.bufferCopyTotal=0,this.handleFormatChange();const e=this.workBuffer.format.extraStreamsVersion;this._workBufferFormatVersion!==e&&(this._workBufferFormatVersion=e,this.workBuffer.syncWithFormat(),this._workBufferRebuildRequired=!0,this.sortNeeded=!0),this.prepareRendererMode(),this.cpuSorter&&this.cpuSorter.applyPendingSorted();const t=this.activeRenderer!==To||this.cpuSorter&&this.cpuSorter.jobsInFlight<3;let s=!1;this.framesTillFullUpdate--,this.framesTillFullUpdate<=0&&(this.framesTillFullUpdate=10,t&&(s=!0));const i=this.hasNewOctreeInstances&&t;i&&(this.hasNewOctreeInstances=!1);let r=!1,a=!1,n=!1;if(s){for(const[,f]of this.octreeInstances){const p=f.update();this.layerPlacementsDirty||(this.layerPlacementsDirty=p),this._placementSetChanged||(this._placementSetChanged=f.consumePlacementSetChanged());const m=f.consumeNeedsLodUpdate();r||(r=m)}const u=this.scene.gsplat.lodUpdateDistance;for(const[,f]of this.octreeInstances){const p=f.testMoved(u);a||(a=p)}n=this.testCameraMovedForLod(),this._awaitingLodUpdate=!1}if(this.testCameraMovedForSort()&&(this.sortNeeded=!0),this.intervalCompaction&&!this.sortNeeded&&this.testFrustumChanged()&&(this.lastCullingCameraFwd.copy(this.cameraNode.forward),this.lastCullingProjMat.copy(this.cameraNode.camera.projectionMatrix),this.sortNeeded=!0),this.scene.gsplat.dirty&&(this.layerPlacementsDirty=!0,this.renderer.updateOverdrawMode(this.scene.gsplat),this._workBufferRebuildRequired=!0,this.sortNeeded=!0,this.octreeInstances.size>0&&(this._awaitingLodUpdate=!0)),n||a||this.scene.gsplat.dirty||r||i){for(const[,p]of this.octreeInstances)p.updateMoved();const u=this.cameraNode;this.lastLodCameraPos.copy(u.getPosition()),this.lastLodCameraFwd.copy(u.forward),this.lastLodCameraFov=u.camera.fov;const f=this.scene.gsplat.splatBudget;if(f>0)this._enforceBudget(f);else{this._budgetScale=1;for(const[,p]of this.octreeInstances)p.updateLod(this.cameraNode,this.scene.gsplat)}}this.updateWorldState();const o=this.worldStates.get(this.lastWorldStateVersion);if(o&&this.cpuSorter&&!o.sortParametersSet){o.sortParametersSet=!0;const u=this.prepareSortParameters(o);this.cpuSorter.setSortParameters(u)}const c=this.worldStates.get(this.sortedVersion);if(c?.sortedBefore)if(this._workBufferRebuildRequired){const u=c.totalActiveSplats;this.rebuildWorkBuffer(c,u,!0),this._workBufferRebuildRequired=!1,this.renderer.setOrderData(),this.intervalCompaction&&(this.intervalCompaction._uploadedVersion=-1)}else this.applyWorkBufferUpdates(c);let h=!1;if(this.sortNeeded&&o&&(this.activeRenderer===Pd?(this.compactGpu(o),h=!0):this.activeRenderer===uo?(this.sortGpuHybrid(o),h=!0):this.sortCpu(o),this.sortNeeded=!1,this.lastSortCameraPos.copy(this.cameraNode.getPosition()),this.lastSortCameraFwd.copy(this.cameraNode.forward),this.lastCullingCameraFwd.copy(this.cameraNode.forward),this.lastCullingProjMat.copy(this.cameraNode.camera.projectionMatrix)),this.activeRenderer===uo&&o&&!h&&(this.sortGpuHybrid(o),h=!0),c?.sortedBefore&&this.updateColorCameraTracking(),this.octreeInstances.size){const u=this.scene.gsplat.cooldownTicks;for(const[,f]of this.octreeInstances){const p=f.octree;gm.has(p)||(gm.add(p),p.updateCooldownTick(u))}gm.clear()}if(this.fireFrameReadyEvent(),this.scene.gsplat.dirty)for(const[,u]of this.octreeInstances)u.needsLodUpdate=!0;const d=this.scene.gsplat.useFog?this.cameraNode.camera.fogParams??this.scene.fog:null;return this.renderer.frameUpdate(this.scene.gsplat,this.scene.exposure,d),c?c.totalActiveSplats:0}sortGpuHybrid(e){const t=this.cameraNode.camera,s=t.camera,i=t.renderTarget,r=t.rect,a=s.xr?.session?s.xr.views.list[0]:null,n=Math.floor((a?a.viewport.z:i?i.width:this.device.width)*r.z),o=Math.floor((a?a.viewport.w:i?i.height:this.device.height)*r.w),c=this.sortGpuHybridForCamera(e,this.cameraNode,n,o,Math.max(wu,this.scene.gsplat.alphaClipForward),!1);c&&this.applyGpuSortResults(c)}sortGpuHybridForCamera(e,t,s,i,r,a){const n=this.gpuSorter,o=this.projector;if(!n||!o)return null;const c=e.totalActiveSplats;if(c===0)return null;if(this.intervalCompaction||(this.intervalCompaction=new R0(this.device)),e.sortedBefore||(e.sortedBefore=!0,this.cleanupOldWorldStates(e.version),this.sortedVersion=e.version,this.rebuildWorkBuffer(e,c)),this.intervalCompaction.uploadIntervals(e),this.canCull){const T=this.worldStates.get(this.sortedVersion);T&&this._runFrustumCulling(T,t)}

15204const h=this.renderer.fisheyeProj,d=e.totalIntervals,u=e.totalActiveSplats;this.intervalCompaction.dispatchCompact(this.workBuffer.frustumCuller,d,u,h.enabled),this.allocateAndWriteIntervalIndirectArgs(d);const f=this.intervalCompaction,p=f.compactedSplatIds,m=this.scene.gsplat,_=Math.max(10,Math.min(20,Math.round(Math.log2(c/4)))),g=n.radixBits,v=Math.ceil(_/g)*g,{minDist:x,maxDist:y}=this.computeDistanceRange(e,t),S=n.prepareIndirect();return o.dispatch({workBuffer:this.workBuffer,cameraNode:t,compactedSplatIds:p,sortElementCountBuffer:f.sortElementCountBuffer,totalCapacity:c,radialSort:m.radialSorting,numBits:v,minDist:x,maxDist:y,alphaClip:r,minPixelSize:m.minPixelSize*.5,minContribution:m.minContribution,viewportWidth:s,viewportHeight:i,flipY:!!t.camera.renderTarget?.flipY,pickMode:a,fisheyeProj:h,antiAlias:m.antiAlias}),o.writeIndirectArgs(this.indirectDrawSlot,this.indirectDispatchSlot+1,f.numSplatsBuffer,f.sortElementCountBuffer,S),n.sortIndirect(o.sortKeys,c,v,this.indirectDispatchSlot+1,f.sortElementCountBuffer,void 0,!1,!0)}compactGpu(e){this.intervalCompaction||(this.intervalCompaction=new R0(this.device));const t=e.totalActiveSplats;if(t===0)return;if(e.sortedBefore||(e.sortedBefore=!0,this.cleanupOldWorldStates(e.version),this.sortedVersion=e.version,this.rebuildWorkBuffer(e,t)),this.intervalCompaction.uploadIntervals(e),this.canCull){const n=this.worldStates.get(this.sortedVersion);n&&this._runFrustumCulling(n)}const s=e.totalIntervals,i=e.totalActiveSplats;this.intervalCompaction.dispatchCompact(this.workBuffer.frustumCuller,s,i,this.renderer.fisheyeProj.enabled),this.allocateAndWriteIntervalIndirectArgs(s);const r=this.intervalCompaction;this.renderer.setCompactedData(r.compactedSplatIds,r.sortElementCountBuffer,e.textureSize,i)}allocateAndWriteIntervalIndirectArgs(e){const t=this.gpuSorter,s=t?t.prepareIndirect():tG,i=s[0];this.indirectDrawSlot=this.device.getIndirectDrawSlot(1),this.indirectDispatchSlot=this.device.getIndirectDispatchSlot(1+i),this.intervalCompaction.writeIndirectArgs(this.indirectDrawSlot,this.indirectDispatchSlot,e,s),this.lastCompactedNumIntervals=e}applyGpuSortResults(e){const t=this.projector,s=this.intervalCompaction;this.renderer.setHybridSortedRendering(this.indirectDrawSlot,e,t.projCache,s.numSplatsBuffer)}_runFrustumCulling(e,t=this.cameraNode){this.workBuffer.frustumCuller.updateTransformsData(e.boundsGroups);const s=t.camera;this.workBuffer.frustumCuller.computeFrustumPlanes(s.projectionMatrix,s.viewMatrix);const i=this.scene.gsplat,r=this.renderer.fisheyeProj;r.update(i.fisheye,s.fov,s.projectionMatrix),r.enabled&&this.workBuffer.frustumCuller.setFisheyeData(t.getPosition(),t.forward,r.maxTheta)}computeDistanceRange(e,t=this.cameraNode){const s=t.getWorldTransform();s.getTranslation(Xr),s.getZ(Pl).normalize();const i=this.scene.gsplat.radialSorting;let r=i?0:1/0,a=i?0:-1/0;for(const n of e.splats){const o=n.node.getWorldTransform(),c=n.aabb.getMin(),h=n.aabb.getMax();for(let d=0;d<8;d++)if(rr.x=d&1?h.x:c.x,rr.y=d&2?h.y:c.y,rr.z=d&4?h.z:c.z,o.transformPoint(rr,rr),i){const u=rr.distance(Xr);u>a&&(a=u)}else{const u=rr.sub(Xr).dot(Pl);u<r&&(r=u),u>a&&(a=u)}}return a===0||a===-1/0?{minDist:0,maxDist:1}:{minDist:r,maxDist:a}}sortCpu(e){if(!this.cpuSorter)return;const s=this.cameraNode.getWorldTransform();s.getTranslation(Xr),s.getZ(Pl).normalize();const i=[];e.splats.forEach(r=>{const a=r.node.getWorldTransform();Il.copy(a).invert();const n=a.getScale().x,o=Il.transformVector(Pl).normalize(),c=Il.transformPoint(Xr);a.getTranslation(L0);const h=L0.sub(Xr).dot(Pl),d=r.aabb.getMin(),u=r.aabb.getMax();i.push({transformedDirection:o,transformedPosition:c,offset:h,scale:n,modelMat:a.data.slice(),aabbMin:[d.x,d.y,d.z],aabbMax:[u.x,u.y,u.z]})}),this.cpuSorter.setSortParams(i,this.scene.gsplat.radialSorting)}prepareSortParameters(e){return{command:"intervals",textureSize:e.textureSize,totalActiveSplats:e.totalActiveSplats,version:e.version,ids:e.splats.map(t=>t.resource.id),pixelOffsets:e.splats.map(t=>t.intervalOffsets),intervals:e.splats.map(t=>t.intervals)}}}class iG{static equals(e,t){if(e.size!==t.size)return!1;for(const s of e)if(!t.has(s))return!1;return!0}}const cd=[];class rG{gsplatManager=null;gsplatManagerShadow=null;constructor(e,t,s,i){this.updateConfiguration(e,t,s,i)}createManager(e,t,s,i,r,a){const n=new sG(e,t,s,i);return n.setRenderMode(a),t.eventHandler&&t.eventHandler.fire("material:created",

15204n.material,r,s),n}updateConfiguration(e,t,s,i){const r=i.node,a=s.gsplatPlacements.length>0,n=s.gsplatShadowCasters.length>0,c=iG.equals(s.gsplatPlacementsSet,s.gsplatShadowCastersSet)&&a,h=c?xs|ho:a?xs:0,d=c?0:n?ho:0;h?this.gsplatManager?this.gsplatManager.setRenderMode(h):this.gsplatManager=this.createManager(e,t,s,r,i,h):this.gsplatManager&&(this.gsplatManager.destroy(),this.gsplatManager=null),d?this.gsplatManagerShadow?this.gsplatManagerShadow.setRenderMode(d):this.gsplatManagerShadow=this.createManager(e,t,s,r,i,d):this.gsplatManagerShadow&&(this.gsplatManagerShadow.destroy(),this.gsplatManagerShadow=null)}destroy(){this.gsplatManager?.destroy(),this.gsplatManager=null,this.gsplatManagerShadow?.destroy(),this.gsplatManagerShadow=null}}class aG{layersMap=new Map;destroy(){this.layersMap.forEach(e=>e.destroy()),this.layersMap.clear()}removeLayerData(e){const t=this.layersMap.get(e);t&&(t.destroy(),this.layersMap.delete(e))}getLayerData(e,t,s,i){let r=this.layersMap.get(s);return r||(r=new rG(e,t,s,i),this.layersMap.set(s,r)),r}}class nG{device;camerasMap=new Map;scene;eventHandler;constructor(e,t,s,i){this.device=e,this.renderer=t,this.scene=s,this.eventHandler=i}destroy(){this.camerasMap.forEach(e=>e.destroy()),this.camerasMap.clear()}getCameraData(e){let t=this.camerasMap.get(e);return t||(t=new aG,this.camerasMap.set(e,t)),t}prepareForPicking(e,t,s,i){const r=this.camerasMap.get(e);if(!r)return null;const a=r.layersMap.get(i);return a?.gsplatManager?a.gsplatManager.prepareForPicking(e,t,s):null}update(e){xc.process(this.device),this.camerasMap.forEach((a,n)=>{if(!e.camerasSet.has(n))a.destroy(),this.camerasMap.delete(n);else{a.layersMap.forEach((o,c)=>{(!n.layersSet.has(c.id)||!c.enabled)&&cd.push(c)});for(let o=0;o<cd.length;o++){const c=cd[o],h=a.layersMap.get(c);h&&(h.destroy(),a.layersMap.delete(c))}cd.length=0}});let t=0,s=0,i=0;const r=e.cameras;for(let a=0;a<r.length;a++){const n=r[a].camera;let o=this.camerasMap.get(n);const c=n.layers;for(let h=0;h<c.length;h++){const d=e.getLayerById(c[h]);if(d?.enabled&&(d.gsplatPlacementsDirty||!o)){const u=d.gsplatPlacements.length>0,f=d.gsplatShadowCasters.length>0;if(!u&&!f)o&&o.removeLayerData(d);else{o??(o=this.getCameraData(n));const p=o.getLayerData(this.device,this,d,n);p.updateConfiguration(this.device,this,d,n),p.gsplatManager&&p.gsplatManager.reconcile(d.gsplatPlacements),p.gsplatManagerShadow&&p.gsplatManagerShadow.reconcile(d.gsplatShadowCasters)}}}if(o)for(const h of o.layersMap.values())h.gsplatManager&&(t+=h.gsplatManager.update(),s+=h.gsplatManager.bufferCopyUploaded,i+=h.gsplatManager.bufferCopyTotal),h.gsplatManagerShadow&&(t+=h.gsplatManagerShadow.update(),s+=h.gsplatManagerShadow.bufferCopyUploaded,i+=h.gsplatManagerShadow.bufferCopyTotal)}this.renderer._gsplatCount=t,this.renderer._gsplatBufferCopy=i>0?s/i*100:0,this.scene.gsplat.frameEnd();for(let a=0;a<e.layerList.length;a++)e.layerList[a].gsplatPlacementsDirty=!1}}class wC extends ye{_layers=[Ir];_instance=null;_placement=null;_id=HT.get();_materialTmp=null;_highQualitySH=!0;_lodBaseDistance=5;_lodMultiplier=3;_customAabb=null;_assetReference;_resource=null;_evtLayersChanged=null;_evtLayerAdded=null;_evtLayerRemoved=null;_castShadows=!1;_unified=!0;_parameters=new Map;_workBufferUpdate=Qm;_workBufferModifier=null;constructor(e,t){super(e,t),this._assetReference=new Ec("asset",this,e.app.assets,{add:this._onGSplatAssetAdded,load:this._onGSplatAssetLoad,remove:this._onGSplatAssetRemove,unload:this._onGSplatAssetUnload},this),t.on("remove",this.onRemoveChild,this),t.on("removehierarchy",this.onRemoveChild,this),t.on("insert",this.onInsertChild,this),t.on("inserthierarchy",this.onInsertChild,this)}set customAabb(e){this._customAabb=e,this._instance?.meshInstance?.setCustomAabb(this._customAabb),this._placement&&(this._placement.aabb=this._customAabb)}get customAabb(){return this._customAabb??this._placement?.aabb??this.resource?.aabb??null}set instance(e){if(!this.unified&&(this.destroyInstance(),this._instance=e,this._instance)){const t=this._instance.meshInstance;t.node||(t.node=this.entity),t.castShadow=this._castShadows,t.setCustomAabb(this._customAabb),this.enabled&&this.entity.enabled&&this.addToLayers()}}get instance(){return this.unified,this._instance}set material(e){this.unified||(this._instance?this._instance.material=e:this._materialTmp=e)}get material(){return this.unified?null:this._instance?.material??this._materialTmp??null}set highQualitySH(e){e!==this._highQualitySH&&(this._highQualitySH=e,this._instance?.

15204setHighQualitySH(e))}get highQualitySH(){return this._highQualitySH}set castShadows(e){if(this._castShadows!==e){const t=this.layers,s=this.system.app.scene;if(this._placement)if(e)for(let r=0;r<t.length;r++)s.layers.getLayerById(t[r])?.addGSplatShadowCaster(this._placement);else for(let r=0;r<t.length;r++)s.layers.getLayerById(t[r])?.removeGSplatShadowCaster(this._placement);const i=this._instance?.meshInstance;if(i){if(this._castShadows&&!e)for(let r=0;r<t.length;r++)s.layers.getLayerById(this.layers[r])?.removeShadowCasters([i]);if(i.castShadow=e,!this._castShadows&&e)for(let r=0;r<t.length;r++)s.layers.getLayerById(t[r])?.addShadowCasters([i])}this._castShadows=e}}get castShadows(){return this._castShadows}set lodBaseDistance(e){this._lodBaseDistance=Math.max(.1,e),this._placement&&(this._placement.lodBaseDistance=this._lodBaseDistance)}get lodBaseDistance(){return this._lodBaseDistance}set lodMultiplier(e){this._lodMultiplier=Math.max(1.2,e),this._placement&&(this._placement.lodMultiplier=this._lodMultiplier)}get lodMultiplier(){return this._lodMultiplier}set lodDistances(e){Array.isArray(e)&&e.length>0&&(this.lodBaseDistance=e[0],this.lodMultiplier=3)}get lodDistances(){return[]}set splatBudget(e){}get splatBudget(){return 0}set unified(e){this._unified!==e&&(this._unified=e,this._onGSplatAssetAdded())}get unified(){return this._unified}get id(){return this._id}set workBufferUpdate(e){this._workBufferUpdate=e,this._placement&&(this._placement.workBufferUpdate=e)}get workBufferUpdate(){return this._workBufferUpdate}setWorkBufferModifier(e){if(e){const s=(this.system.app.graphicsDevice.isWebGPU?e.wgsl:e.glsl)??null;this._workBufferModifier=s?{code:s,hash:Xs(s)}:null}else this._workBufferModifier=null;this._placement&&(this._placement.workBufferModifier=this._workBufferModifier)}set layers(e){this.removeFromLayers(),this._layers.length=0;for(let t=0;t<e.length;t++)this._layers[t]=e[t];!this.enabled||!this.entity.enabled||this.addToLayers()}get layers(){return this._layers}set asset(e){const t=e instanceof pe?e.id:e;this._assetReference.id!==t&&(this._assetReference.asset&&this._assetReference.asset.resource&&this._onGSplatAssetRemove(),this._assetReference.id=t,this._assetReference.asset&&this._onGSplatAssetAdded())}get asset(){return this._assetReference.id}set resource(e){this._resource!==e&&((this._resource||this._assetReference.asset?.resource)&&this._onGSplatAssetRemove(),e&&this._assetReference.id&&(this._assetReference.id=null),this._resource=e,this._resource&&this.enabled&&this.entity.enabled&&this._onGSplatAssetLoad())}get resource(){return this._resource??this._assetReference.asset?.resource??null}destroyInstance(){this._placement&&(this.removeFromLayers(),this._placement.destroy(),this._placement=null),this._instance&&(this.removeFromLayers(),this._instance?.destroy(),this._instance=null)}addToLayers(){if(this._placement){const t=this.system.app.scene.layers;for(let s=0;s<this._layers.length;s++){const i=t.getLayerById(this._layers[s]);i&&(i.addGSplatPlacement(this._placement),this._castShadows&&i.addGSplatShadowCaster(this._placement))}return}const e=this._instance?.meshInstance;if(e){const t=this.system.app.scene.layers;for(let s=0;s<this._layers.length;s++)t.getLayerById(this._layers[s])?.addMeshInstances([e])}}removeFromLayers(){if(this._placement){const t=this.system.app.scene.layers;for(let s=0;s<this._layers.length;s++){const i=t.getLayerById(this._layers[s]);i&&(i.removeGSplatPlacement(this._placement),i.removeGSplatShadowCaster(this._placement))}return}const e=this._instance?.meshInstance;if(e){const t=this.system.app.scene.layers;for(let s=0;s<this._layers.length;s++)t.getLayerById(this._layers[s])?.removeMeshInstances([e])}}onRemoveChild(){this.removeFromLayers()}onInsertChild(){this.enabled&&this.entity.enabled&&(this._instance||this._placement)&&this.addToLayers()}onRemove(){this.destroyInstance(),this.asset=null,this._assetReference.id=null,this.entity.off("remove",this.onRemoveChild,this),this.entity.off("insert",this.onInsertChild,this)}onLayersChanged(e,t){this.addToLayers(),e.off("add",this.onLayerAdded,this),e.off("remove",this.onLayerRemoved,this),t.on("add",this.onLayerAdded,this),t.on("remove",this.onLayerRemoved,this)}onLayerAdded(e){this.layers.indexOf(e.id)<0||this.unified||this._instance&&e.addMeshInstances(this._instance.meshInstance)}onLayerRemoved(e){this.layers.indexOf(e.id)<0||this.unified||this._instance&&e.removeMeshInstances(this._instance.meshInstance)}

15204onEnable(){const e=this.system.app.scene,t=e.layers;this._evtLayersChanged=e.on("set:layers",this.onLayersChanged,this),t&&(this._evtLayerAdded=t.on("add",this.onLayerAdded,this),this._evtLayerRemoved=t.on("remove",this.onLayerRemoved,this)),this._instance||this._placement?this.addToLayers():this.asset?this._onGSplatAssetAdded():this._resource&&this._onGSplatAssetLoad()}onDisable(){const t=this.system.app.scene.layers;this._evtLayersChanged?.off(),this._evtLayersChanged=null,t&&(this._evtLayerAdded?.off(),this._evtLayerAdded=null,this._evtLayerRemoved?.off(),this._evtLayerRemoved=null),this.removeFromLayers()}hide(){this._instance&&(this._instance.meshInstance.visible=!1)}show(){this._instance&&(this._instance.meshInstance.visible=!0)}setParameter(e,t){const s=this.system.app.graphicsDevice.scope.resolve(e);this._parameters.set(e,{scopeId:s,data:t}),this._placement&&(this._placement.renderDirty=!0)}getParameter(e){return this._parameters.get(e)?.data}deleteParameter(e){this._parameters.delete(e),this._placement&&(this._placement.renderDirty=!0)}getInstanceTexture(e){return this._placement?this._placement.getInstanceTexture(e,this.system.app.graphicsDevice)??null:null}_onGSplatAssetAdded(){this._assetReference.asset&&(this._assetReference.asset.resource?this._onGSplatAssetLoad():this.enabled&&this.entity.enabled&&this.system.app.assets.load(this._assetReference.asset))}_onGSplatAssetLoad(){this.destroyInstance();const e=this._resource??this._assetReference.asset?.resource;e&&(this.unified?(this._placement=null,this._placement=new D_(e,this.entity,0,this._parameters,null,this._id),this._placement.lodBaseDistance=this._lodBaseDistance,this._placement.lodMultiplier=this._lodMultiplier,this._placement.workBufferUpdate=this._workBufferUpdate,this._placement.workBufferModifier=this._workBufferModifier,this.enabled&&this.entity.enabled&&this.addToLayers()):(this.instance=new ER(e,{material:this._materialTmp,highQualitySH:this._highQualitySH,scene:this.system.app.scene}),this._materialTmp=null))}_onGSplatAssetUnload(){this.destroyInstance()}_onGSplatAssetRemove(){this._onGSplatAssetUnload()}}class oG{enabled=!0}var lG=`
15205uniform mat4 matrix_model;
15206uniform mat4 matrix_view;
15207#ifndef GSPLAT_CENTER_NOPROJ
15208	uniform vec4 camera_params;
15209	uniform mat4 matrix_projection;
15210	#ifdef GSPLAT_FISHEYE
15211		uniform float fisheye_k;
15212		uniform float fisheye_inv_k;
15213		uniform float fisheye_projMat00;
15214		uniform float fisheye_projMat11;
15215	#endif
15216#endif
15217bool initCenter(vec3 modelCenter, inout SplatCenter center) {
15218	mat4 modelView = matrix_view * matrix_model;
15219	vec4 centerView = modelView * vec4(modelCenter, 1.0);
15220	#ifndef GSPLAT_CENTER_NOPROJ
15221		#ifdef GSPLAT_FISHEYE
15222			vec3 v = centerView.xyz;
15223			float r_xy = length(v.xy);
15224			float neg_z = -v.z;
15225			float theta = atan(r_xy, neg_z);
15226			float maxTheta = min(fisheye_k * 1.5707963, 3.13);
15227			if (theta > maxTheta - 0.01 || dot(v, v) < 0.0001) {
15228				return false;
15229			}
15230			float tk = theta * fisheye_inv_k;
15231			float sin_tk = sin(tk);
15232			float cos_tk = cos(tk);
15233			float g_theta = fisheye_k * sin_tk / cos_tk;
15234			float fisheye_s = (r_xy > 1e-4) ? g_theta / r_xy : (neg_z > 0.0 ? 1.0 / neg_z : 0.0);
15235			vec2 ndc = vec2(fisheye_projMat00 * fisheye_s * v.x, fisheye_projMat11 * fisheye_s * v.y);
15236			float near = camera_params.z;
15237			float far = camera_params.y;
15238			float linearDepth = neg_z;
15239			#if WEBGPU
15240				float depthNdc = clamp((linearDepth - near) / (far - near), 0.0, 1.0);
15241			#else
15242				float depthNdc = clamp(2.0 * (linearDepth - near) / (far - near) - 1.0, -1.0, 1.0);
15243			#endif
15244			center.proj = vec4(ndc, depthNdc, 1.0);
15245			center.projMat00 = fisheye_projMat00;
15246			center.fisheyeSinTK = sin_tk;
15247			center.fisheyeCosTK = cos_tk;
15248			center.fisheyeRxy = r_xy;
15249		#else
15250			if (camera_params.w != 1.0 && centerView.z > 0.0) {
15251				return false;
15252			}
15253			vec4 centerProj = matrix_projection * centerView;
15254			#if WEBGPU
15255				centerProj.z = clamp(centerProj.z, 0, abs(centerProj.w));
15256			#else
15257				centerProj.z = clamp(centerProj.z, -abs(centerProj.w), abs(centerProj.w));
15258			#endif
15259			center.proj = centerProj;
15260			center.projMat00 = matrix_projection[0][0];
15261		#endif
15262	#endif
15263	center.view = centerView.xyz / centerView.w;
15264	center.modelView = modelView;
15265	return true;
15266}
15267`,cG=`
15268#include "gsplatHelpersVS"
15269#include "gsplatFormatVS"
15270#include "gsplatStructsVS"
15271#include "gsplatDeclarationsVS"
15272#include "gsplatModifyVS"
15273#include "gsplatEvalSHVS"
15274#include "gsplatQuatToMat3VS"
15275#include "gsplatReadVS"
15276#include "gsplatSourceVS"
15277#include "gsplatCenterVS"
15278#include "gsplatCornerVS"
15279#include "gsplatOutputVS"
15280#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
15281uniform float alphaClip;
15282#else
15283uniform float alphaClipForward;
15284#endif
15285void clipCorner(inout SplatCorner corner, float alpha) {
15286	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
15287		float alphaClipValue = alphaClip;
15288	#else
15289		float alphaClipValue = alphaClipForward;
15290	#endif
15291	float clip = min(1.0, sqrt(max(0.0, log(alpha / alphaClipValue))) * 0.5);
15292	corner.offset *= clip;
15293	corner.uv *= clip;
15294}
15295`,hG=`
15296struct Splat {
15297	uint index;
15298	ivec2 uv;
15299};
15300Splat splat;
15301void setSplat(uint idx) {
15302	splat.index = idx;
15303	splat.uv = ivec2(idx % splatTextureSize, idx / splatTextureSize);
15304}
15305`,dG=`
15306	#if SH_BANDS == 1
15307		#define SH_COEFFS 3
15308	#elif SH_BANDS == 2
15309		#define SH_COEFFS 8
15310	#elif SH_BANDS == 3
15311		#define SH_COEFFS 15
15312	#else
15313		#define SH_COEFFS 0
15314	#endif
15315	#if SH_BANDS > 0
15316	const float SH_C1 = 0.4886025119029199f;
15317	#if SH_BANDS > 1
15318		const float SH_C2_0 = 1.0925484305920792f;
15319		const float SH_C2_1 = -1.0925484305920792f;
15320		const float SH_C2_2 = 0.31539156525252005f;
15321		const float SH_C2_3 = -1.0925484305920792f;
15322		const float SH_C2_4 = 0.5462742152960396f;
15323	#endif
15324	#if SH_BANDS > 2
15325		const float SH_C3_0 = -0.5900435899266435f;
15326		const float SH_C3_1 = 2.890611442640554f;
15327		const float SH_C3_2 = -0.4570457994644658f;
15328		const float SH_C3_3 = 0.3731763325901154f;
15329		const float SH_C3_4 = -0.4570457994644658f;
15330		const float SH_C3_5 = 1.445305721320277f;
15331		const float SH_C3_6 = -0.5900435899266435f;
15332	#endif
15333	vec3 evalSH(in vec3 sh[SH_COEFFS], in vec3 dir) {
15334		float x = dir.x;
15335		float y = dir.y;
15336		float z = dir.z;

15337		vec3 result = SH_C1 * (-sh[0] * y + sh[1] * z - sh[2] * x);
15338		#if SH_BANDS > 1
15339			float xx = x * x;
15340			float yy = y * y;
15341			float zz = z * z;
15342			float xy = x * y;
15343			float yz = y * z;
15344			float xz = x * z;
15345			result +=
15346				sh[3] * (SH_C2_0 * xy) +
15347				sh[4] * (SH_C2_1 * yz) +
15348				sh[5] * (SH_C2_2 * (2.0 * zz - xx - yy)) +
15349				sh[6] * (SH_C2_3 * xz) +
15350				sh[7] * (SH_C2_4 * (xx - yy));
15351		#endif
15352		#if SH_BANDS > 2
15353			result +=
15354				sh[8]  * (SH_C3_0 * y * (3.0 * xx - yy)) +
15355				sh[9]  * (SH_C3_1 * xy * z) +
15356				sh[10] * (SH_C3_2 * y * (4.0 * zz - xx - yy)) +
15357				sh[11] * (SH_C3_3 * z * (2.0 * zz - 3.0 * xx - 3.0 * yy)) +
15358				sh[12] * (SH_C3_4 * x * (4.0 * zz - xx - yy)) +
15359				sh[13] * (SH_C3_5 * z * (xx - yy)) +
15360				sh[14] * (SH_C3_6 * x * (xx - 3.0 * yy));
15361		#endif
15362		return result;
15363	}
15364	#endif
15365`,uG=`
15366void gsplatMakeSpherical(inout vec3 scale, float size) {
15367	scale = vec3(size);
15368}
15369float gsplatGetSizeFromScale(vec3 scale) {
15370	return sqrt((scale.x * scale.x + scale.y * scale.y + scale.z * scale.z) / 3.0);
15371}
15372`,fG=`
15373void modifySplatCenter(inout vec3 center) {
15374}
15375void modifySplatRotationScale(vec3 originalCenter, vec3 modifiedCenter, inout vec4 rotation, inout vec3 scale) {
15376}
15377void modifySplatColor(vec3 center, inout vec4 color) {
15378}
15379`,pG=`
15380mat3 quatToMat3(vec4 R) {
15381	vec4 R2 = R + R;
15382	float X = R2.x * R.w;
15383	vec4 Y  = R2.y * R;
15384	vec4 Z  = R2.z * R;
15385	float W = R2.w * R.w;
15386	return mat3(
15387		1.0 - Z.z - W,
15388			  Y.z + X,
15389			  Y.w - Z.x,
15390			  Y.z - X,
15391		1.0 - Y.y - W,
15392			  Z.w + Y.x,
15393			  Y.w + Z.x,
15394			  Z.w - Y.x,
15395		1.0 - Y.y - Z.z
15396	);
15397}
15398vec4 quatMul(vec4 a, vec4 b) {
15399	return vec4(
15400		a.w * b.x + a.x * b.w + a.y * b.z - a.z * b.y,
15401		a.w * b.y - a.x * b.z + a.y * b.w + a.z * b.x,
15402		a.w * b.z + a.x * b.y - a.y * b.x + a.z * b.w,
15403		a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z
15404	);
15405}
15406`,mG=`
15407#include "gsplatSplatVS"
15408struct SplatSource {
15409	uint order;
15410	vec2 cornerUV;
15411};
15412struct SplatCenter {
15413	vec3 view;
15414	vec4 proj;
15415	mat4 modelView;
15416	float projMat00;
15417	vec3 modelCenterOriginal;
15418	vec3 modelCenterModified;
15419	#ifdef GSPLAT_FISHEYE
15420		float fisheyeSinTK;
15421		float fisheyeCosTK;
15422		float fisheyeRxy;
15423	#endif
15424};
15425struct SplatCorner {
15426	vec3 offset;
15427	vec2 uv;
15428	#if GSPLAT_AA
15429		float aaFactor;
15430	#endif
15431	vec2 v;
15432	float dlen;
15433};
15434`,_G=`
15435uniform vec4 viewport_size;
15436uniform float minPixelSize;
15437void computeCovariance(vec4 rotation, vec3 scale, out vec3 covA, out vec3 covB) {
15438	mat3 rot = quatToMat3(rotation);
15439	mat3 M = transpose(mat3(
15440		scale.x * rot[0],
15441		scale.y * rot[1],
15442		scale.z * rot[2]
15443	));
15444	covA = vec3(dot(M[0], M[0]), dot(M[0], M[1]), dot(M[0], M[2]));
15445	covB = vec3(dot(M[1], M[1]), dot(M[1], M[2]), dot(M[2], M[2]));
15446}
15447bool initCornerCov(SplatSource source, SplatCenter center, out SplatCorner corner, vec3 covA, vec3 covB) {
15448	mat3 Vrk = mat3(
15449		covA.x, covA.y, covA.z, 
15450		covA.y, covB.x, covB.y,
15451		covA.z, covB.y, covB.z
15452	);
15453	float focal = viewport_size.x * center.projMat00;
15454	vec3 v = center.view.xyz;
15455	#ifdef GSPLAT_FISHEYE
15456		float r_sq = max(center.fisheyeRxy * center.fisheyeRxy, 1e-8);
15457		float d2 = dot(v, v);
15458		float neg_z = -v.z;
15459		float g_prime = 1.0 / (center.fisheyeCosTK * center.fisheyeCosTK);
15460		float g_theta = fisheye_k * center.fisheyeSinTK / center.fisheyeCosTK;
15461		float sv = (center.fisheyeRxy > 1e-4) ? g_theta / center.fisheyeRxy : (neg_z > 0.0 ? 1.0 / neg_z : 0.0);
15462		float K = (center.fisheyeRxy > 1e-4) ? (g_prime * neg_z / d2 - sv) / r_sq : 0.0;
15463		mat3 J = mat3(
15464			focal * (sv + K * v.x * v.x),  focal * K * v.x * v.y,		 focal * g_prime * v.x / d2,
15465			focal * K * v.x * v.y,		focal * (sv + K * v.y * v.y),	focal * g_prime * v.y / d2,
15466			0.0,						   0.0,							0.0
15467		);
15468	#else
15469		vec3 vp = camera_params.w == 1.0 ? vec3(0.0, 0.0, 1.0) : v;
15470		float J1 = focal / vp.z;
15471		vec2 J2 = -J1 / vp.z * vp.xy;
15472		mat3 J = mat3(
15473			J1, 0.0, J2.x,
15474			0.0, J1, J2.y,
15475			0.0, 0.0, 0.0
15476		);
15477	#endif
15478	mat3 W = transpose(mat3(center.modelView));
15479	mat3 T = W * J;
15480	mat3 cov = transpose(T) * Vrk * T;
15481	#if GSPLAT_AA
15482		float detOrig = cov[0][0] * cov[1][1] - cov[0][1] * cov[0][1];
15483		float detBlur = (cov[0][0] + 0.3) * (cov[1][1] + 0.3) - cov[0][1] * cov[0][1];
15484		corner.aaFactor = sqrt(max(detOrig / detBlur, 0.0));
15485	#endif
15486	float diagonal1 = cov[0][0] + 0.3;
15487	float offDiagonal = cov[0][1];
15488	float diagonal2 = cov[1][1] + 0.3;
15489	float mid = 0.5 * (diagonal1 + diagonal2);
15490	float radius = length(vec2((diagonal1 - diagonal2) / 2.0, offDiagonal));
15491	float lambda1 = mid + radius;

15492	float lambda2 = max(mid - radius, 0.1);
15493	float vmin = min(1024.0, min(viewport_size.x, viewport_size.y));
15494	float l1 = 2.0 * min(sqrt(2.0 * lambda1), vmin);
15495	float l2 = 2.0 * min(sqrt(2.0 * lambda2), vmin);
15496	if (max(l1, l2) < minPixelSize) {
15497		return false;
15498	}
15499	vec2 c = center.proj.ww * viewport_size.zw;
15500	if (any(greaterThan(abs(center.proj.xy) - vec2(max(l1, l2)) * c, center.proj.ww))) {
15501		return false;
15502	}
15503	vec2 diagonalVector = normalize(vec2(offDiagonal, lambda1 - diagonal1));
15504	vec2 v1 = l1 * diagonalVector;
15505	vec2 v2 = l2 * vec2(diagonalVector.y, -diagonalVector.x);
15506	corner.offset = vec3((source.cornerUV.x * v1 + source.cornerUV.y * v2) * c, 0.0);
15507	corner.uv = source.cornerUV;
15508	return true;
15509}
15510#if GSPLAT_2DGS
15511void initCorner2DGS(SplatSource source, vec4 rotation, vec3 scale, out SplatCorner corner) {
15512	vec2 localPos = source.cornerUV * vec2(scale.x, scale.y) * 3.0;
15513	vec3 v = vec3(localPos, 0.0);
15514	vec3 t = 2.0 * cross(rotation.xyz, v);
15515	corner.offset = v + rotation.w * t + cross(rotation.xyz, t);
15516	corner.uv = source.cornerUV;
15517}
15518#endif
15519bool initCorner(SplatSource source, SplatCenter center, out SplatCorner corner) {
15520	vec4 rotation = getRotation().yzwx;
15521	vec3 scale = getScale();
15522	modifySplatRotationScale(center.modelCenterOriginal, center.modelCenterModified, rotation, scale);
15523	#if GSPLAT_2DGS
15524		initCorner2DGS(source, rotation, scale, corner);
15525		return true;
15526	#else
15527		vec3 covA, covB;
15528		computeCovariance(rotation.wxyz, scale, covA, covB);
15529		return initCornerCov(source, center, corner, covA, covB);
15530	#endif
15531}
15532`,gG=`
15533#include "tonemappingPS"
15534#include "decodePS"
15535#include "gammaPS"
15536#include "fogPS"
15537#if FOG != NONE && !defined(GSPLAT_NO_FOG)
15538	#define GSPLAT_FOG
15539#endif
15540vec3 prepareOutputFromGamma(vec3 gammaColor, float depth) {
15541	vec3 color = gammaColor;
15542	#if TONEMAP != NONE || GAMMA == NONE || defined(GSPLAT_FOG)
15543		color = decodeGamma(color);
15544	#endif
15545	#ifdef GSPLAT_FOG
15546		color = addFog(color, depth);
15547	#endif
15548	#if TONEMAP != NONE
15549		color = toneMap(color);
15550	#endif
15551	#if TONEMAP != NONE || (GAMMA != NONE && defined(GSPLAT_FOG))
15552		color = gammaCorrectOutput(color);
15553	#endif
15554	return color;
15555}
15556`,vG=`
15557#ifndef DITHER_NONE
15558	#include "bayerPS"
15559	#include "opacityDitherPS"
15560	varying float id;
15561#endif
15562#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
15563	uniform float alphaClip;
15564#endif
15565#ifdef PREPASS_PASS
15566	varying float vLinearDepth;
15567	#include "floatAsUintPS"
15568#endif
15569#if !defined(SHADOW_PASS) && !defined(PICK_PASS) && !defined(PREPASS_PASS)
15570	uniform float alphaClipForward;
15571#endif
15572varying mediump vec2 gaussianUV;
15573varying mediump vec4 gaussianColor;
15574#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
15575	flat varying uint vPickId;
15576#endif
15577#ifdef PICK_PASS
15578	#include "pickPS"
15579#endif
15580const float EXP4 = exp(-4.0);
15581const float INV_EXP4 = 1.0 / (1.0 - EXP4);
15582float normExp(float x) {
15583	return (exp(x * -4.0) - EXP4) * INV_EXP4;
15584}
15585void main(void) {
15586	mediump float A = dot(gaussianUV, gaussianUV);
15587	if (A > 1.0) {
15588		discard;
15589	}
15590	mediump float alpha = normExp(A) * gaussianColor.a;
15591	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
15592		if (alpha < alphaClip) {
15593			discard;
15594		}
15595	#endif
15596	#ifdef PICK_PASS
15597		#ifdef GSPLAT_UNIFIED_ID
15598			pcFragColor0 = encodePickOutput(vPickId);
15599		#else
15600			pcFragColor0 = getPickOutput();
15601		#endif
15602		#ifdef DEPTH_PICK_PASS
15603			pcFragColor1 = getPickDepth();
15604		#endif
15605	#elif SHADOW_PASS
15606		gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
15607	#elif PREPASS_PASS
15608		gl_FragColor = float2vec4(vLinearDepth);
15609	#else
15610		if (alpha < alphaClipForward) {
15611			discard;
15612		}
15613		#ifndef DITHER_NONE
15614			opacityDither(alpha, id * 0.013);
15615		#endif
15616		gl_FragColor = vec4(gaussianColor.xyz * alpha, alpha);
15617	#endif
15618}
15619`,SG=`
15620attribute vec3 vertex_position;
15621uniform uint numSplats;
15622uniform highp usampler2D splatOrder;
15623bool initSource(out SplatSource source) {
15624	source.order = uint(gl_InstanceID) * {GSPLAT_INSTANCE_SIZE}u + uint(vertex_position.z);
15625	if (source.order >= numSplats) {
15626		return false;
15627	}
15628	ivec2 orderUV = ivec2(source.order % splatTextureSize, source.order / splatTextureSize);
15629	uint splatId = texelFetch(splatOrder, orderUV, 0).r;
15630	setSplat(splatId);
15631	source.cornerUV = vertex_position.xy;
15632	return true;
15633}
15634`,yG=`
15635#include "gsplatCommonVS"
15636varying mediump vec2 gaussianUV;
15637varying mediump vec4 gaussianColor;
15638#ifndef DITHER_NONE
15639	varying float id;
15640#endif
15641mediump vec4 discardVec = vec4(0.0, 0.0, 2.0, 1.0);
15642#ifdef PREPASS_PASS
15643	varying float vLinearDepth;
15644#endif
15645#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
15646	flat varying uint vPickId;
15647#endif
15648#ifdef GSPLAT_OVERDRAW
15649	uniform sampler2D colorRamp;
15650	uniform float colorRampIntensity;
15651#endif
15652void main(void) {
15653	SplatSource source;
15654	if (!initSource(source)) {
15655		gl_Position = discardVec;
15656		return;
15657	}
15658	vec3 modelCenter = getCenter();
15659	SplatCenter center;
15660	center.modelCenterOriginal = modelCenter;
15661	
15662	modifySplatCenter(modelCenter);
15663	center.modelCenterModified = modelCenter;
15664	if (!initCenter(modelCenter, center)) {
15665		gl_Position = discardVec;
15666		return;
15667	}

15668	SplatCorner corner;
15669	if (!initCorner(source, center, corner)) {
15670		gl_Position = discardVec;
15671		return;
15672	}
15673	#ifdef GSPLAT_SEPARATE_OPACITY
15674		float opacity = getOpacity();
15675		vec4 clr = vec4(getColor(), opacity);
15676	#else
15677		vec4 clr = getColor();
15678	#endif
15679	#if GSPLAT_AA
15680		clr.a *= corner.aaFactor;
15681	#endif
15682	#if SH_BANDS > 0
15683		vec3 dir = normalize(center.view * mat3(center.modelView));
15684		vec3 sh[SH_COEFFS];
15685		float scale;
15686		readSHData(sh, scale);
15687		clr.xyz += evalSH(sh, dir) * scale;
15688	#endif
15689	modifySplatColor(modelCenter, clr);
15690	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
15691		float alphaClipValue = alphaClip;
15692	#else
15693		float alphaClipValue = alphaClipForward;
15694	#endif
15695	if (clr.w <= alphaClipValue) {
15696		gl_Position = discardVec;
15697		return;
15698	}
15699	clipCorner(corner, clr.w);
15700	#if GSPLAT_2DGS
15701		vec3 modelCorner = center.modelCenterModified + corner.offset;
15702		gl_Position = matrix_projection * center.modelView * vec4(modelCorner, 1.0);
15703	#else
15704		gl_Position = center.proj + vec4(corner.offset.xyz, 0);
15705	#endif
15706	gaussianUV = corner.uv;
15707	#ifdef GSPLAT_OVERDRAW
15708		float t = clamp(modelCenter.y / 20.0, 0.0, 1.0);
15709		vec3 rampColor = textureLod(colorRamp, vec2(t, 0.5), 0.0).rgb;
15710		clr.a *= (1.0 / 32.0) * colorRampIntensity;
15711		gaussianColor = vec4(rampColor, clr.a);
15712	#else
15713		gaussianColor = vec4(prepareOutputFromGamma(max(clr.xyz, 0.0), -center.view.z), clr.w);
15714	#endif
15715	#ifndef DITHER_NONE
15716		id = float(splat.index);
15717	#endif
15718	#ifdef PREPASS_PASS
15719		vLinearDepth = -center.view.z;
15720	#endif
15721	#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
15722		vPickId = loadPcId().r;
15723	#endif
15724}
15725`,xG=`
15726uint pack8888(vec4 v) {
15727	uvec4 t = uvec4(v * 255.0) << uvec4(24u, 16u, 8u, 0u);
15728	return t.x | t.y | t.z | t.w;
15729}
15730uint pack101010(vec3 v) {
15731	uvec3 t = uvec3(v * 1023.0) << uvec3(20u, 10u, 0u);
15732	return t.x | t.y | t.z;
15733}
15734uint pack111110(vec3 v) {
15735	uvec3 t = uvec3(v * vec3(2047.0, 2047.0, 1023.0)) << uvec3(21u, 10u, 0u);
15736	return t.x | t.y | t.z;
15737}
15738vec4 unpack8888(uint v) {
15739	return vec4((uvec4(v) >> uvec4(24u, 16u, 8u, 0u)) & 0xffu) / 255.0;
15740}
15741vec3 unpack101010(uint v) {
15742	return vec3((uvec3(v) >> uvec3(20u, 10u, 0u)) & 0x3ffu) / 1023.0;
15743}
15744vec3 unpack111110(uint v) {
15745	return vec3((uvec3(v) >> uvec3(21u, 10u, 0u)) & uvec3(0x7ffu, 0x7ffu, 0x3ffu)) / vec3(2047.0, 2047.0, 1023.0);
15746}
15747vec3 resolveCodebook(vec3 s, vec4 codebook[64]) {
15748	uvec3 idx = uvec3(s * 255.0);
15749	vec3 v = vec3(
15750		codebook[idx.x >> 2u][idx.x & 3u],
15751		codebook[idx.y >> 2u][idx.y & 3u],
15752		codebook[idx.z >> 2u][idx.z & 3u]
15753	);
15754	return (v - codebook[0].x) / (codebook[63].w - codebook[0].x);
15755}
15756`,TG=`
15757uniform uint splatTextureSize;
15758`,wG=`
15759uint tAw;
15760vec4 tBcached;
15761vec4 unpackRotation(vec3 data) {
15762	return vec4(data.xyz, sqrt(max(0.0, 1.0 - dot(data, data))));
15763}
15764vec3 getCenter() {
15765	uvec4 tA = loadTransformA();
15766	tAw = tA.w;
15767	tBcached = loadTransformB();
15768	return uintBitsToFloat(tA.xyz);
15769}
15770vec4 getColor() {
15771	return loadSplatColor();
15772}
15773vec4 getRotation() {
15774	return unpackRotation(vec3(unpackHalf2x16(tAw), tBcached.w)).wxyz;
15775}
15776vec3 getScale() {
15777	return tBcached.xyz;
15778}
15779#include "gsplatUncompressedSHVS"
15780`,CG=`
15781#if SH_BANDS > 0
15782vec3 unpack111011s(uint bits) {
15783	return vec3((uvec3(bits) >> uvec3(21u, 11u, 0u)) & uvec3(0x7ffu, 0x3ffu, 0x7ffu)) / vec3(2047.0, 1023.0, 2047.0) * 2.0 - 1.0;
15784}
15785void fetchScale(in uvec4 t, out float scale, out vec3 a, out vec3 b, out vec3 c) {
15786	scale = uintBitsToFloat(t.x);
15787	a = unpack111011s(t.y);
15788	b = unpack111011s(t.z);
15789	c = unpack111011s(t.w);
15790}
15791void fetch(in uvec4 t, out vec3 a, out vec3 b, out vec3 c, out vec3 d) {
15792	a = unpack111011s(t.x);
15793	b = unpack111011s(t.y);
15794	c = unpack111011s(t.z);
15795	d = unpack111011s(t.w);
15796}
15797void fetch(in uint t, out vec3 a) {
15798	a = unpack111011s(t);
15799}
15800#if SH_BANDS == 1
15801	void readSHData(out vec3 sh[3], out float scale) {
15802		fetchScale(loadSplatSH_1to3(), scale, sh[0], sh[1], sh[2]);
15803	}
15804#elif SH_BANDS == 2
15805	void readSHData(out vec3 sh[8], out float scale) {
15806		fetchScale(loadSplatSH_1to3(), scale, sh[0], sh[1], sh[2]);
15807		fetch(loadSplatSH_4to7(), sh[3], sh[4], sh[5], sh[6]);
15808		fetch(loadSplatSH_8to11().x, sh[7]);
15809	}
15810#else
15811	void readSHData(out vec3 sh[15], out float scale) {
15812		fetchScale(loadSplatSH_1to3(), scale, sh[0], sh[1], sh[2]);
15813		fetch(loadSplatSH_4to7(), sh[3], sh[4], sh[5], sh[6]);
15814		fetch(loadSplatSH_8to11(), sh[7], sh[8], sh[9], sh[10]);
15815		fetch(loadSplatSH_12to15(), sh[11], sh[12], sh[13], sh[14]);
15816	}
15817#endif
15818#endif
15819`,EG=`
15820#include "gsplatPackingPS"
15821uniform highp sampler2D chunkTexture;
15822vec4 chunkDataA;
15823vec4 chunkDataB;
15824vec4 chunkDataC;
15825vec4 chunkDataD;
15826vec4 chunkDataE;
15827uvec4 packedData;
15828vec3 unpack111011(uint bits) {
15829	return vec3(
15830		float(bits >> 21u) / 2047.0,
15831		float((bits >> 11u) & 0x3ffu) / 1023.0,
15832		float(bits & 0x7ffu) / 2047.0
15833	);
15834}
15835const float norm = sqrt(2.0);
15836vec4 unpackRotation(uint bits) {
15837	float a = (float((bits >> 20u) & 0x3ffu) / 1023.0 - 0.5) * norm;
15838	float b = (float((bits >> 10u) & 0x3ffu) / 1023.0 - 0.5) * norm;
15839	float c = (float(bits & 0x3ffu) / 1023.0 - 0.5) * norm;
15840	float m = sqrt(1.0 - (a * a + b * b + c * c));
15841	uint mode = bits >> 30u;
15842	if (mode == 0u) return vec4(m, a, b, c);
15843	if (mode == 1u) return vec4(a, m, b, c);
15844	if (mode == 2u) return vec4(a, b, m, c);
15845	return vec4(a, b, c, m);
15846}
15847vec3 getCenter() {
15848	uint w = uint(textureSize(chunkTexture, 0).x) / 5u;
15849	uint chunkId = splat.index / 256u;
15850	ivec2 chunkUV = ivec2((chunkId % w) * 5u, chunkId / w);
15851	chunkDataA = texelFetch(chunkTexture, chunkUV, 0);
15852	chunkDataB = texelFetch(chunkTexture, chunkUV + ivec2(1, 0), 0);

15853	chunkDataC = texelFetch(chunkTexture, chunkUV + ivec2(2, 0), 0);
15854	chunkDataD = texelFetch(chunkTexture, chunkUV + ivec2(3, 0), 0);
15855	chunkDataE = texelFetch(chunkTexture, chunkUV + ivec2(4, 0), 0);
15856	packedData = loadPackedTexture();
15857	return mix(chunkDataA.xyz, vec3(chunkDataA.w, chunkDataB.xy), unpack111011(packedData.x));
15858}
15859vec4 getColor() {
15860	vec4 r = unpack8888(packedData.w);
15861	return vec4(mix(chunkDataD.xyz, vec3(chunkDataD.w, chunkDataE.xy), r.rgb), r.w);
15862}
15863vec4 getRotation() {
15864	return unpackRotation(packedData.y);
15865}
15866vec3 getScale() {
15867	return exp(mix(vec3(chunkDataB.zw, chunkDataC.x), chunkDataC.yzw, unpack111011(packedData.z)));
15868}
15869#include "gsplatCompressedSHVS"
15870`,bG=`
15871#if SH_BANDS > 0
15872vec4 unpack8888s(in uint bits) {
15873	return vec4((uvec4(bits) >> uvec4(0u, 8u, 16u, 24u)) & 0xffu) * (8.0 / 255.0) - 4.0;
15874}
15875void readSHData(out vec3 sh[15], out float scale) {
15876	uvec4 shData0 = loadShTexture0();
15877	uvec4 shData1 = loadShTexture1();
15878	uvec4 shData2 = loadShTexture2();
15879	vec4 r0 = unpack8888s(shData0.x);
15880	vec4 r1 = unpack8888s(shData0.y);
15881	vec4 r2 = unpack8888s(shData0.z);
15882	vec4 r3 = unpack8888s(shData0.w);
15883	vec4 g0 = unpack8888s(shData1.x);
15884	vec4 g1 = unpack8888s(shData1.y);
15885	vec4 g2 = unpack8888s(shData1.z);
15886	vec4 g3 = unpack8888s(shData1.w);
15887	vec4 b0 = unpack8888s(shData2.x);
15888	vec4 b1 = unpack8888s(shData2.y);
15889	vec4 b2 = unpack8888s(shData2.z);
15890	vec4 b3 = unpack8888s(shData2.w);
15891	sh[0] =  vec3(r0.x, g0.x, b0.x);
15892	sh[1] =  vec3(r0.y, g0.y, b0.y);
15893	sh[2] =  vec3(r0.z, g0.z, b0.z);
15894	sh[3] =  vec3(r0.w, g0.w, b0.w);
15895	sh[4] =  vec3(r1.x, g1.x, b1.x);
15896	sh[5] =  vec3(r1.y, g1.y, b1.y);
15897	sh[6] =  vec3(r1.z, g1.z, b1.z);
15898	sh[7] =  vec3(r1.w, g1.w, b1.w);
15899	sh[8] =  vec3(r2.x, g2.x, b2.x);

15900	sh[9] =  vec3(r2.y, g2.y, b2.y);
15901	sh[10] = vec3(r2.z, g2.z, b2.z);
15902	sh[11] = vec3(r2.w, g2.w, b2.w);
15903	sh[12] = vec3(r3.x, g3.x, b3.x);
15904	sh[13] = vec3(r3.y, g3.y, b3.y);
15905	sh[14] = vec3(r3.z, g3.z, b3.z);
15906	scale = 1.0;
15907}
15908#endif
15909`,AG=`
15910uniform vec3 means_mins;
15911uniform vec3 means_maxs;
15912#ifndef SOG_V2
15913	uniform vec3 scales_mins;
15914	uniform vec3 scales_maxs;
15915	uniform vec4 sh0_mins;
15916	uniform vec4 sh0_maxs;
15917#endif
15918const float SH_C0 = 0.28209479177387814;
15919const float norm = sqrt(2.0);
15920#ifdef SOG_V2
15921	float lutScales(int b) { return texelFetch(sogCodebook, ivec2(b, 0), 0).r; }
15922	float lutSh0(int b)	{ return texelFetch(sogCodebook, ivec2(b, 0), 0).g; }
15923	float lutShN(int b)	{ return texelFetch(sogCodebook, ivec2(b, 0), 0).b; }
15924#endif
15925vec3 getCenter() {
15926	vec3 l = texelFetch(means_l, splat.uv, 0).xyz;
15927	vec3 u = texelFetch(means_u, splat.uv, 0).xyz;
15928	vec3 n = (l + u * 256.0) / 257.0;
15929	vec3 v = mix(means_mins, means_maxs, n);
15930	return sign(v) * (exp(abs(v)) - 1.0);
15931}
15932vec4 getRotation() {
15933	vec4 q = texelFetch(quats, splat.uv, 0);
15934	uint qmode = uint(q.w * 255.0 + 0.5) - 252u;
15935	vec3 abc = (q.xyz - 0.5) * norm;
15936	float d = sqrt(max(0.0, 1.0 - dot(abc, abc)));
15937	return (qmode == 0u) ? vec4(d, abc) :
15938		   ((qmode == 1u) ? vec4(abc.x, d, abc.yz) :
15939		   ((qmode == 2u) ? vec4(abc.xy, d, abc.z) : vec4(abc, d)));
15940}
15941vec3 getScale() {
15942	vec3 s = texelFetch(scales, splat.uv, 0).xyz;
15943	#ifdef SOG_V2
15944		ivec3 i = ivec3(s * 255.0 + 0.5);
15945		vec3 logS = vec3(lutScales(i.x), lutScales(i.y), lutScales(i.z));
15946	#else
15947		vec3 logS = mix(scales_mins, scales_maxs, s);
15948	#endif
15949	return exp(logS);
15950}
15951vec4 getColor() {
15952	vec4 c = texelFetch(sh0, splat.uv, 0);
15953	#ifdef SOG_V2
15954		ivec3 i = ivec3(c.xyz * 255.0 + 0.5);
15955		vec3 rgb = vec3(lutSh0(i.x), lutSh0(i.y), lutSh0(i.z));
15956		float alpha = c.w;
15957	#else
15958		vec3 rgb = mix(sh0_mins.xyz, sh0_maxs.xyz, c.xyz);
15959		float logitAlpha = mix(sh0_mins.w, sh0_maxs.w, c.w);
15960		float alpha = 1.0 / (1.0 + exp(-logitAlpha));
15961	#endif
15962	return vec4(vec3(0.5) + rgb * SH_C0, alpha);
15963}
15964#include "gsplatSogSHVS"
15965`,PG=`
15966#if SH_BANDS > 0
15967	#ifndef SOG_V2
15968		uniform float shN_mins;
15969		uniform float shN_maxs;
15970	#endif
15971	void readSHData(out vec3 sh[SH_COEFFS], out float scale) {
15972		vec4 labels = texelFetch(sh_labels, splat.uv, 0);
15973		int n = int(labels.x * 255.0 + 0.5) + int(labels.y * 255.0 + 0.5) * 256;
15974		int u = (n % 64) * SH_COEFFS;
15975		int v = n / 64;
15976		for (int i = 0; i < SH_COEFFS; i++) {
15977			vec4 t = texelFetch(sh_centroids, ivec2(u + i, v), 0);
15978			#ifdef SOG_V2
15979				ivec3 idx = ivec3(t.xyz * 255.0 + 0.5);
15980				sh[i] = vec3(lutShN(idx.x), lutShN(idx.y), lutShN(idx.z));
15981			#else
15982				sh[i] = mix(vec3(shN_mins), vec3(shN_maxs), t.xyz);
15983			#endif
15984		}
15985		scale = 1.0;
15986	}
15987#endif
15988`,IG=`
15989#include "gsplatContainerDeclarationsVS"
15990vec3 splatCenter;
15991vec4 splatColor;
15992vec3 splatScale;
15993vec4 splatRotation;
15994`,DG=`
15995vec3 getCenter() {
15996	#include "gsplatContainerUserReadVS"
15997	return splatCenter;
15998}
15999vec4 getRotation() {
16000	return splatRotation;
16001}
16002vec3 getScale() {
16003	return splatScale;
16004}
16005vec4 getColor() {
16006	return splatColor;
16007}
16008`;const MG={gsplatCenterVS:lG,gsplatCornerVS:_G,gsplatCommonVS:cG,gsplatSplatVS:hG,gsplatEvalSHVS:dG,gsplatHelpersVS:uG,gsplatModifyVS:fG,gsplatQuatToMat3VS:pG,gsplatStructsVS:mG,gsplatOutputVS:gG,gsplatPS:vG,gsplatSourceVS:SG,gsplatVS:yG,gsplatPackingPS:xG,gsplatFormatVS:TG,gsplatUncompressedVS:wG,gsplatUncompressedSHVS:CG,gsplatCompressedVS:EG,gsplatCompressedSHVS:bG,gsplatSogVS:AG,gsplatSogSHVS:PG,gsplatContainerDeclVS:IG,gsplatContainerReadVS:DG,gsplatContainerFloatReadVS:ew};var RG=`
16009uniform matrix_model: mat4x4f;
16010uniform matrix_view: mat4x4f;
16011#ifndef GSPLAT_CENTER_NOPROJ
16012	uniform camera_params: vec4f;
16013	uniform matrix_projection: mat4x4f;
16014	#ifdef GSPLAT_FISHEYE
16015		uniform fisheye_k: f32;
16016		uniform fisheye_inv_k: f32;
16017		uniform fisheye_projMat00: f32;
16018		uniform fisheye_projMat11: f32;
16019	#endif
16020#endif
16021fn initCenter(modelCenter: vec3f, center: ptr<function, SplatCenter>) -> bool {
16022	let modelView: mat4x4f = uniform.matrix_view * uniform.matrix_model;
16023	let centerView: vec4f = modelView * vec4f(modelCenter, 1.0);
16024	#ifndef GSPLAT_CENTER_NOPROJ
16025		#ifdef GSPLAT_FISHEYE
16026			let v: vec3f = centerView.xyz;
16027			let r_xy: f32 = length(v.xy);
16028			let neg_z: f32 = -v.z;
16029			let theta: f32 = atan2(r_xy, neg_z);
16030			let maxTheta: f32 = min(uniform.fisheye_k * 1.5707963, 3.13);
16031			if (theta > maxTheta - 0.01 || dot(v, v) < 0.0001) {
16032				return false;

16033			}
16034			let tk: f32 = theta * uniform.fisheye_inv_k;
16035			let sin_tk: f32 = sin(tk);
16036			let cos_tk: f32 = cos(tk);
16037			let g_theta: f32 = uniform.fisheye_k * sin_tk / cos_tk;
16038			let fisheye_s: f32 = select(select(0.0, 1.0 / neg_z, neg_z > 0.0), g_theta / r_xy, r_xy > 1e-4);
16039			let ndc: vec2f = vec2f(uniform.fisheye_projMat00 * fisheye_s * v.x, uniform.fisheye_projMat11 * fisheye_s * v.y);
16040			let near: f32 = uniform.camera_params.z;
16041			let far: f32 = uniform.camera_params.y;
16042			let linearDepth: f32 = neg_z;
16043			let depthNdc: f32 = clamp((linearDepth - near) / (far - near), 0.0, 1.0);
16044			center.proj = vec4f(ndc, depthNdc, 1.0);
16045			center.projMat00 = uniform.fisheye_projMat00;
16046			center.fisheyeSinTK = sin_tk;
16047			center.fisheyeCosTK = cos_tk;
16048			center.fisheyeRxy = r_xy;
16049		#else
16050			if (uniform.camera_params.w != 1.0 && centerView.z > 0.0) {
16051				return false;
16052			}
16053			var centerProj: vec4f = uniform.matrix_projection * centerView;
16054			centerProj.z = clamp(centerProj.z, 0.0, abs(centerProj.w));
16055			center.proj = centerProj;
16056			center.projMat00 = uniform.matrix_projection[0][0];
16057		#endif
16058	#endif
16059	center.view = centerView.xyz / centerView.w;
16060	center.modelView = modelView;
16061	return true;
16062}
16063`,LG=`
16064#include "gsplatHelpersVS"
16065#include "gsplatFormatVS"
16066#include "gsplatStructsVS"
16067#include "gsplatDeclarationsVS"
16068#include "gsplatModifyVS"
16069#include "gsplatEvalSHVS"
16070#include "gsplatQuatToMat3VS"
16071#include "gsplatReadVS"
16072#include "gsplatSourceVS"
16073#include "gsplatCenterVS"
16074#include "gsplatCornerVS"
16075#include "gsplatOutputVS"
16076#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16077uniform alphaClip: f32;
16078#else
16079uniform alphaClipForward: f32;
16080#endif
16081fn clipCorner(corner: ptr<function, SplatCorner>, alpha: half) {
16082	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16083		let alphaClipValue = half(uniform.alphaClip);
16084	#else
16085		let alphaClipValue = half(uniform.alphaClipForward);
16086	#endif
16087	let clip = min(half(1.0), sqrt(max(half(0.0), log(alpha / alphaClipValue))) * half(0.5));
16088	corner.offset = corner.offset * f32(clip);
16089	corner.uv = corner.uv * clip;
16090}
16091`,FG=`
16092struct Splat {
16093	index: u32,
16094	uv: vec2i
16095}
16096var<private> splat: Splat;
16097fn setSplat(idx: u32) {
16098	splat.index = idx;
16099	splat.uv = vec2i(i32(idx % uniform.splatTextureSize), i32(idx / uniform.splatTextureSize));
16100}
16101`,OG=`
16102	#if SH_BANDS == 1
16103		const SH_COEFFS: i32 = 3;
16104	#elif SH_BANDS == 2
16105		const SH_COEFFS: i32 = 8;
16106	#elif SH_BANDS == 3
16107		const SH_COEFFS: i32 = 15;
16108	#else
16109		const SH_COEFFS: i32 = 0;
16110	#endif
16111	#if SH_BANDS > 0
16112	const SH_C1: half = half(0.4886025119029199);
16113	#if SH_BANDS > 1
16114		const SH_C2_0: half = half(1.0925484305920792);
16115		const SH_C2_1: half = half(-1.0925484305920792);
16116		const SH_C2_2: half = half(0.31539156525252005);
16117		const SH_C2_3: half = half(-1.0925484305920792);
16118		const SH_C2_4: half = half(0.5462742152960396);
16119	#endif
16120	#if SH_BANDS > 2
16121		const SH_C3_0: half = half(-0.5900435899266435);
16122		const SH_C3_1: half = half(2.890611442640554);
16123		const SH_C3_2: half = half(-0.4570457994644658);
16124		const SH_C3_3: half = half(0.3731763325901154);
16125		const SH_C3_4: half = half(-0.4570457994644658);
16126		const SH_C3_5: half = half(1.445305721320277);
16127		const SH_C3_6: half = half(-0.5900435899266435);
16128	#endif
16129	fn evalSH(sh: ptr<function, array<half3, SH_COEFFS>>, dir: vec3f) -> half3 {
16130		let d: half3 = half3(dir);
16131		var result: half3 = SH_C1 * (-sh[0] * d.y + sh[1] * d.z - sh[2] * d.x);
16132		#if SH_BANDS > 1
16133			let xx: half = d.x * d.x;
16134			let yy: half = d.y * d.y;
16135			let zz: half = d.z * d.z;
16136			let xy: half = d.x * d.y;
16137			let yz: half = d.y * d.z;
16138			let xz: half = d.x * d.z;
16139			result = result + (
16140				sh[3] * (SH_C2_0 * xy) +
16141				sh[4] * (SH_C2_1 * yz) +
16142				sh[5] * (SH_C2_2 * (half(2.0) * zz - xx - yy)) +
16143				sh[6] * (SH_C2_3 * xz) +
16144				sh[7] * (SH_C2_4 * (xx - yy))
16145			);
16146		#endif
16147		#if SH_BANDS > 2
16148			result = result + (
16149				sh[8]  * (SH_C3_0 * d.y * (half(3.0) * xx - yy)) +
16150				sh[9]  * (SH_C3_1 * xy * d.z) +
16151				sh[10] * (SH_C3_2 * d.y * (half(4.0) * zz - xx - yy)) +
16152				sh[11] * (SH_C3_3 * d.z * (half(2.0) * zz - half(3.0) * xx - half(3.0) * yy)) +
16153				sh[12] * (SH_C3_4 * d.x * (half(4.0) * zz - xx - yy)) +
16154				sh[13] * (SH_C3_5 * d.z * (xx - yy)) +
16155				sh[14] * (SH_C3_6 * d.x * (xx - half(3.0) * yy))
16156			);
16157		#endif
16158		return result;
16159	}
16160	#endif
16161`,BG=`
16162fn gsplatMakeSpherical(scale: ptr<function, vec3f>, size: f32) {
16163	*scale = vec3f(size);
16164}

16165fn gsplatGetSizeFromScale(scale: vec3f) -> f32 {
16166	return sqrt((scale.x * scale.x + scale.y * scale.y + scale.z * scale.z) / 3.0);
16167}
16168`,NG=`
16169fn modifySplatCenter(center: ptr<function, vec3f>) {
16170}
16171fn modifySplatRotationScale(originalCenter: vec3f, modifiedCenter: vec3f, rotation: ptr<function, vec4f>, scale: ptr<function, vec3f>) {
16172}
16173fn modifySplatColor(center: vec3f, color: ptr<function, vec4f>) {
16174}
16175`,kG=`
16176fn quatToMat3(r: half4) -> half3x3 {
16177	let r2: half4 = r + r;
16178	let x: half   = r2.x * r.w;
16179	let y: half4  = r2.y * r;
16180	let z: half4  = r2.z * r;
16181	let w: half   = r2.w * r.w;
16182	return half3x3(
16183		half(1.0) - z.z - w,  y.z + x,			  y.w - z.x,
16184		y.z - x,			  half(1.0) - y.y - w,   z.w + y.x,
16185		y.w + z.x,			z.w - y.x,			 half(1.0) - y.y - z.z
16186	);
16187}
16188fn quatMul(a: half4, b: half4) -> half4 {
16189	return half4(
16190		a.w * b.x + a.x * b.w + a.y * b.z - a.z * b.y,
16191		a.w * b.y - a.x * b.z + a.y * b.w + a.z * b.x,
16192		a.w * b.z + a.x * b.y - a.y * b.x + a.z * b.w,
16193		a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z
16194	);
16195}
16196`,UG=`
16197#include "gsplatSplatVS"
16198struct SplatSource {
16199	order: u32,
16200	cornerUV: half2
16201}
16202struct SplatCenter {
16203	view: vec3f,
16204	proj: vec4f,
16205	modelView: mat4x4f,
16206	projMat00: f32,
16207	modelCenterOriginal: vec3f,
16208	modelCenterModified: vec3f,
16209	#ifdef GSPLAT_FISHEYE
16210		fisheyeSinTK: f32,
16211		fisheyeCosTK: f32,
16212		fisheyeRxy: f32,
16213	#endif
16214}
16215struct SplatCorner {
16216	offset: vec3f,
16217	uv: half2,
16218	#if GSPLAT_AA
16219		aaFactor: half,
16220	#endif
16221}
16222`,zG=`
16223uniform viewport_size: vec4f;
16224uniform minPixelSize: f32;
16225fn computeCovariance(rotation: half4, scale: half3, covA_ptr: ptr<function, vec3f>, covB_ptr: ptr<function, vec3f>) {
16226	let rot: half3x3 = quatToMat3(rotation);
16227	let s: vec3f = vec3f(scale);
16228	let M: mat3x3f = transpose(mat3x3f(
16229		s.x * vec3f(rot[0]),
16230		s.y * vec3f(rot[1]),
16231		s.z * vec3f(rot[2])
16232	));
16233	*covA_ptr = vec3f(dot(M[0], M[0]), dot(M[0], M[1]), dot(M[0], M[2]));
16234	*covB_ptr = vec3f(dot(M[1], M[1]), dot(M[1], M[2]), dot(M[2], M[2]));
16235}
16236fn initCornerCov(source: ptr<function, SplatSource>, center: ptr<function, SplatCenter>, corner: ptr<function, SplatCorner>, covA: vec3f, covB: vec3f) -> bool {
16237	let Vrk = mat3x3f(
16238		vec3f(covA.x, covA.y, covA.z),
16239		vec3f(covA.y, covB.x, covB.y),
16240		vec3f(covA.z, covB.y, covB.z)
16241	);
16242	let focal = uniform.viewport_size.x * center.projMat00;
16243	let v = center.view.xyz;
16244	#ifdef GSPLAT_FISHEYE
16245		let r_sq = max(center.fisheyeRxy * center.fisheyeRxy, 1e-8);
16246		let d2 = dot(v, v);
16247		let neg_z = -v.z;
16248		let g_prime = 1.0 / (center.fisheyeCosTK * center.fisheyeCosTK);
16249		let g_theta = uniform.fisheye_k * center.fisheyeSinTK / center.fisheyeCosTK;
16250		let sv = select(select(0.0, 1.0 / neg_z, neg_z > 0.0), g_theta / center.fisheyeRxy, center.fisheyeRxy > 1e-4);
16251		let K = select(0.0, (g_prime * neg_z / d2 - sv) / r_sq, center.fisheyeRxy > 1e-4);
16252		let J = mat3x3f(
16253			vec3f(focal * (sv + K * v.x * v.x),  focal * K * v.x * v.y,	   focal * g_prime * v.x / d2),
16254			vec3f(focal * K * v.x * v.y,		 focal * (sv + K * v.y * v.y), focal * g_prime * v.y / d2),
16255			vec3f(0.0, 0.0, 0.0)
16256		);
16257	#else
16258		let vp = select(center.view.xyz, vec3f(0.0, 0.0, 1.0), uniform.camera_params.w == 1.0);
16259		let J1 = focal / vp.z;
16260		let J2 = -J1 / vp.z * vp.xy;
16261		let J = mat3x3f(
16262			vec3f(J1, 0.0, J2.x),
16263			vec3f(0.0, J1, J2.y),
16264			vec3f(0.0, 0.0, 0.0)
16265		);
16266	#endif
16267	let W = transpose(mat3x3f(center.modelView[0].xyz, center.modelView[1].xyz, center.modelView[2].xyz));
16268	let T = W * J;
16269	let cov = transpose(T) * Vrk * T;
16270	#if GSPLAT_AA
16271		let detOrig = cov[0][0] * cov[1][1] - cov[0][1] * cov[1][0];
16272		let detBlur = (cov[0][0] + 0.3) * (cov[1][1] + 0.3) - cov[0][1] * cov[1][0];
16273		corner.aaFactor = half(sqrt(max(detOrig / detBlur, 0.0)));
16274	#endif
16275	let diagonal1 = cov[0][0] + 0.3;
16276	let offDiagonal = cov[0][1];
16277	let diagonal2 = cov[1][1] + 0.3;
16278	let mid = 0.5 * (diagonal1 + diagonal2);
16279	let radius = length(vec2f((diagonal1 - diagonal2) / 2.0, offDiagonal));
16280	let lambda1 = mid + radius;
16281	let lambda2 = max(mid - radius, 0.1);
16282	let vmin = min(1024.0, min(uniform.viewport_size.x, uniform.viewport_size.y));
16283	let l1 = 2.0 * min(sqrt(2.0 * lambda1), vmin);
16284	let l2 = 2.0 * min(sqrt(2.0 * lambda2), vmin);
16285	if (max(l1, l2) < uniform.minPixelSize) {
16286		return false;

16287	}
16288	let c = center.proj.ww * uniform.viewport_size.zw;
16289	if (any((abs(center.proj.xy) - vec2f(max(l1, l2)) * c) > center.proj.ww)) {
16290		return false;
16291	}
16292	let diagonalVector = normalize(vec2f(offDiagonal, lambda1 - diagonal1));
16293	let v1 = l1 * diagonalVector;
16294	let v2 = l2 * vec2f(diagonalVector.y, -diagonalVector.x);
16295	corner.offset = vec3f((f32(source.cornerUV.x) * v1 + f32(source.cornerUV.y) * v2) * c, 0.0);
16296	corner.uv = source.cornerUV;
16297	return true;
16298}
16299#if GSPLAT_2DGS
16300fn initCorner2DGS(source: ptr<function, SplatSource>, rotation: vec4f, scale: vec3f, corner: ptr<function, SplatCorner>) {
16301	let localPos: vec2f = vec2f(source.cornerUV) * vec2f(scale.x, scale.y) * 3.0;
16302	let v: vec3f = vec3f(localPos, 0.0);
16303	let t: vec3f = 2.0 * cross(rotation.xyz, v);
16304	corner.offset = v + rotation.w * t + cross(rotation.xyz, t);
16305	corner.uv = source.cornerUV;
16306}
16307#endif
16308fn initCorner(source: ptr<function, SplatSource>, center: ptr<function, SplatCenter>, corner: ptr<function, SplatCorner>) -> bool {
16309	var rotation: vec4f = getRotation().yzwx;
16310	var scale: vec3f = getScale();
16311	modifySplatRotationScale(center.modelCenterOriginal, center.modelCenterModified, &rotation, &scale);
16312	#if GSPLAT_2DGS
16313		initCorner2DGS(source, rotation, scale, corner);
16314		return true;
16315	#else
16316		var covA: vec3f;
16317		var covB: vec3f;
16318		computeCovariance(half4(rotation.wxyz), half3(scale), &covA, &covB);
16319		return initCornerCov(source, center, corner, covA, covB);
16320	#endif
16321}
16322`,VG=`
16323varying vUv0: vec2f;
16324var<storage, read> rasterizeTileList: array<u32>;
16325uniform numTilesX: u32;
16326uniform screenWidth: f32;
16327uniform screenHeight: f32;
16328@vertex
16329fn vertexMain(input: VertexInput) -> VertexOutput {
16330	var output: VertexOutput;
16331	let quadIdx = pcVertexIndex / 6u;
16332	let cornerIdx = pcVertexIndex % 6u;
16333	let tileIdx = rasterizeTileList[quadIdx];
16334	let tileX = tileIdx % uniform.numTilesX;
16335	let tileY = tileIdx / uniform.numTilesX;
16336	let corners = array<vec2f, 6>(
16337		vec2f(0.0, 0.0), vec2f(1.0, 0.0), vec2f(1.0, 1.0),
16338		vec2f(0.0, 0.0), vec2f(1.0, 1.0), vec2f(0.0, 1.0)
16339	);
16340	let corner = corners[cornerIdx];
16341	let x0 = f32(tileX * 16u);
16342	let y0 = f32(tileY * 16u);
16343	let pixelX = x0 + corner.x * 16.0;
16344	let pixelY = y0 + corner.y * 16.0;
16345	output.position = vec4f(
16346		pixelX / uniform.screenWidth * 2.0 - 1.0,
16347		pixelY / uniform.screenHeight * 2.0 - 1.0,
16348		0.5, 1.0
16349	);
16350	output.vUv0 = vec2f(pixelX / uniform.screenWidth,
16351						pixelY / uniform.screenHeight);
16352	return output;
16353}
16354`,GG=`
16355#ifndef DITHER_NONE
16356	#include "bayerPS"
16357	#include "opacityDitherPS"
16358	varying id: f32;
16359#endif
16360#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16361	uniform alphaClip: f32;
16362#endif
16363#ifdef PREPASS_PASS
16364	varying vLinearDepth: f32;
16365	#include "floatAsUintPS"
16366#endif
16367#if !defined(SHADOW_PASS) && !defined(PICK_PASS) && !defined(PREPASS_PASS)
16368	uniform alphaClipForward: f32;
16369#endif
16370const EXP4: half = exp(half(-4.0));
16371const INV_EXP4: half = half(1.0) / (half(1.0) - EXP4);
16372fn normExp(x: half) -> half {
16373	return (exp(x * half(-4.0)) - EXP4) * INV_EXP4;
16374}
16375varying gaussianUV: half2;
16376varying gaussianColor: half4;
16377#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16378	varying @interpolate(flat) vPickId: u32;
16379#endif
16380#ifdef PICK_PASS
16381	#include "pickPS"
16382#endif
16383@fragment
16384fn fragmentMain(input: FragmentInput) -> FragmentOutput {
16385	var output: FragmentOutput;
16386	let A: half = dot(gaussianUV, gaussianUV);
16387	if (A > half(1.0)) {
16388		discard;
16389		return output;
16390	}
16391	var alpha: half = normExp(A) * gaussianColor.a;
16392	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16393		if (alpha < half(uniform.alphaClip)) {
16394			discard;
16395			return output;
16396		}
16397	#endif
16398	#ifdef PICK_PASS
16399		#ifdef GSPLAT_UNIFIED_ID
16400			output.color = encodePickOutput(vPickId);
16401		#else
16402			output.color = getPickOutput();
16403		#endif
16404		#ifdef DEPTH_PICK_PASS
16405			output.color1 = getPickDepth();
16406		#endif
16407	#elif SHADOW_PASS
16408		output.color = vec4f(0.0, 0.0, 0.0, 1.0);
16409	#elif PREPASS_PASS
16410		output.color = float2vec4(vLinearDepth);
16411	#else
16412		if (alpha < half(uniform.alphaClipForward)) {
16413			discard;
16414			return output;
16415		}
16416		#ifndef DITHER_NONE
16417			opacityDither(f32(alpha), id * 0.013);
16418		#endif
16419		output.color = vec4f(vec3f(gaussianColor.xyz * alpha), f32(alpha));
16420	#endif
16421	return output;
16422}`,HG=`
16423#ifdef PICK_MODE
16424	#include "pickPS"
16425	#include "floatAsUintPS"
16426	var pickIdTexture: texture_2d<u32>;
16427	var pickDepthTexture: texture_2d<f32>;
16428#else
16429	#include "tonemappingPS"
16430	#include "gammaPS"
16431	var source: texture_2d<f32>;
16432#endif
16433varying vUv0: vec2f;
16434@fragment fn fragmentMain(input: FragmentInput) -> FragmentOutput {
16435	var output: FragmentOutput;
16436	#ifdef PICK_MODE
16437		let texSize = vec2f(textureDimensions(pickIdTexture));
16438		let coord = vec2u(input.vUv0 * texSize);
16439		let pickId = textureLoad(pickIdTexture, coord, 0).r;
16440		if (pickId == 0xFFFFFFFFu) {
16441			discard;
16442			return output;
16443		}
16444		output.color = encodePickOutput(pickId);
16445		let depthData = textureLoad(pickDepthTexture, coord, 0);
16446		let normalizedDepth = select(depthData.r / depthData.g, 1.0, depthData.g < 1e-6);
16447		output.color1 = float2uint(normalizedDepth);
16448	#else
16449		let texSize = vec2f(textureDimensions(source));
16450		let coord = vec2u(input.vUv0 * texSize);
16451		let linear = textureLoad(source, coord, 0);
16452		output.color = vec4f(gammaCorrectOutput(toneMap(linear.rgb)), linear.a);
16453	#endif
16454	return output;
16455}
16456`,WG=`
16457attribute vertex_position: vec3f;
16458#ifdef GSPLAT_INDIRECT_DRAW
16459	var<storage, read> numSplatsStorage: array<u32>;
16460	var<storage, read>

16460 compactedSplatIds: array<u32>;
16461#else
16462	uniform numSplats: u32;
16463	var<storage, read> splatOrder: array<u32>;
16464#endif
16465fn initSource(source: ptr<function, SplatSource>) -> bool {
16466	source.order = pcInstanceIndex * {GSPLAT_INSTANCE_SIZE}u + u32(vertex_position.z);
16467	#ifdef GSPLAT_INDIRECT_DRAW
16468		let numSplats = numSplatsStorage[0];
16469	#else
16470		let numSplats = uniform.numSplats;
16471	#endif
16472	if (source.order >= numSplats) {
16473		return false;
16474	}
16475	var splatId: u32;
16476	#ifdef GSPLAT_INDIRECT_DRAW
16477		splatId = compactedSplatIds[source.order];
16478	#else
16479		splatId = splatOrder[source.order];
16480	#endif
16481	setSplat(splatId);
16482	source.cornerUV = half2(vertex_position.xy);
16483	return true;
16484}
16485`,XG=`
16486#include "gsplatCommonVS"
16487varying gaussianUV: half2;
16488varying gaussianColor: half4;
16489#ifndef DITHER_NONE
16490	varying id: f32;
16491#endif
16492const discardVec: vec4f = vec4f(0.0, 0.0, 2.0, 1.0);
16493#ifdef PREPASS_PASS
16494	varying vLinearDepth: f32;
16495#endif
16496#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16497	varying @interpolate(flat) vPickId: u32;
16498#endif
16499#ifdef GSPLAT_OVERDRAW
16500	uniform colorRampIntensity: f32;
16501	var colorRamp: texture_2d<f32>;
16502	var colorRampSampler: sampler;
16503#endif
16504@vertex
16505fn vertexMain(input: VertexInput) -> VertexOutput {
16506	var output: VertexOutput;
16507	var source: SplatSource;
16508	if (!initSource(&source)) {
16509		output.position = discardVec;
16510		return output;
16511	}
16512	var modelCenter: vec3f = getCenter();
16513	var center: SplatCenter;
16514	center.modelCenterOriginal = modelCenter;
16515	
16516	modifySplatCenter(&modelCenter);
16517	center.modelCenterModified = modelCenter;
16518	if (!initCenter(modelCenter, &center)) {
16519		output.position = discardVec;
16520		return output;
16521	}
16522	var corner: SplatCorner;
16523	if (!initCorner(&source, &center, &corner)) {
16524		output.position = discardVec;
16525		return output;
16526	}
16527	#ifdef GSPLAT_SEPARATE_OPACITY
16528		let opacity = getOpacity();
16529		var clr: half4 = half4(vec4f(getColor(), opacity));
16530	#else
16531		var clr: half4 = half4(getColor());
16532	#endif
16533	#if GSPLAT_AA
16534		clr.a = clr.a * corner.aaFactor;
16535	#endif
16536	#if SH_BANDS > 0
16537		let modelView3x3 = mat3x3f(center.modelView[0].xyz, center.modelView[1].xyz, center.modelView[2].xyz);
16538		let dir = normalize(center.view * modelView3x3);
16539		var sh: array<half3, SH_COEFFS>;
16540		var scale: f32;
16541		readSHData(&sh, &scale);
16542		clr = half4(clr.xyz + evalSH(&sh, dir) * half(scale), clr.a);
16543	#endif
16544	var clrF32 = vec4f(clr);
16545	modifySplatColor(modelCenter, &clrF32);
16546	clr = half4(clrF32);
16547	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16548		let alphaClipValue = half(uniform.alphaClip);
16549	#else
16550		let alphaClipValue = half(uniform.alphaClipForward);
16551	#endif
16552	if (clr.w <= alphaClipValue) {
16553		output.position = discardVec;
16554		return output;
16555	}
16556	clipCorner(&corner, clr.w);
16557	#if GSPLAT_2DGS
16558		let modelCorner: vec3f = center.modelCenterModified + corner.offset;
16559		output.position = uniform.matrix_projection * center.modelView * vec4f(modelCorner, 1.0);
16560	#else
16561		output.position = center.proj + vec4f(corner.offset.xyz, 0.0);
16562	#endif
16563	output.gaussianUV = corner.uv;
16564	#ifdef GSPLAT_OVERDRAW
16565		let t: f32 = clamp(center.modelCenterOriginal.y / 20.0, 0.0, 1.0);
16566		let rampColor: vec3f = textureSampleLevel(colorRamp, colorRampSampler, vec2f(t, 0.5), 0.0).rgb;
16567		clr.a = clr.a * half(1.0 / 32.0) * half(uniform.colorRampIntensity);
16568		output.gaussianColor = half4(half3(rampColor), clr.a);
16569	#else
16570		output.gaussianColor = half4(half3(prepareOutputFromGamma(max(vec3f(clr.xyz), vec3f(0.0)), -center.view.z)), clr.w);
16571	#endif
16572	#ifndef DITHER_NONE
16573		output.id = f32(splat.index);
16574	#endif
16575	#ifdef PREPASS_PASS
16576		output.vLinearDepth = -center.view.z;
16577	#endif
16578	#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16579		output.vPickId = loadPcId().r;
16580	#endif
16581	return output;
16582}
16583`,YG=`
16584#include "gsplatHelpersVS"
16585#include "gsplatOutputVS"
16586attribute vertex_position: vec3f;
16587uniform viewport_size: vec4f;
16588uniform clipToViewZ: vec4f;
16589#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16590	uniform alphaClip: f32;
16591#else
16592	uniform alphaClipForward: f32;
16593#endif
16594var<storage, read> sortedIndices: array<u32>;
16595var<storage, read> projCache: array<u32>;
16596var<storage, read> numSplatsStorage: array<u32>;
16597varying gaussianUV: half2;
16598varying gaussianColor: half4;
16599#ifndef DITHER_NONE
16600	varying id: f32;
16601#endif
16602#ifdef PREPASS_PASS
16603	varying vLinearDepth: f32;
16604#endif
16605#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16606	varying @interpolate(flat) vPickId: u32;
16607#endif
16608#ifdef GSPLAT_OVERDRAW
16609	uniform colorRampIntensity: f32;
16610	var colorRamp: texture_2d<f32>;
16611	var colorRampSampler: sampler;
16612#endif
16613const discardVec: vec4f = vec4f(0.0, 0.0, 2.0, 1.0);
16614@vertex
16615fn vertexMain(input: VertexInput) -> VertexOutput {
16616	var output: VertexOutput;
16617	let order = pcInstanceIndex * {GSPLAT_INSTANCE_SIZE}u + u32(vertex_position.z);
16618	let numSplats = numSplatsStorage[0];
16619	if (order >= numSplats) {
16620		output.position = discardVec;
16621		return output;
16622	}
16623	let cacheIdx = sortedIndices[order];
16624	let base = cacheIdx * {CACHE_STRIDE}u;
16625	let proj = vec4f(
16626		bitcast<f32>(projCache[base + 0u]),
16627		bitcast<f32>(projCache[base + 1u]),
16628		bitcast<f32>(projCache[base + 2u]),
16629		bitcast<f32>(projCache[base + 3u])
16630	);
16631	let v1 = unpack2x16float(projCache[base + 4u]);
16632	let v2 = unpack2x16float(projCache[base + 5u]);
16633	let ba = unpack2x16float(projCache[base + 7u]);
16634	let alpha = half(ba.y);
16635	#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16636		let pickId = projCache[base + 6u];
16637	#endif
16638	#ifdef PICK_PASS

16639		var clr: half4 = half4(half(0.0), half(0.0), half(0.0), alpha);
16640	#else
16641		let rg = unpack2x16float(projCache[base + 6u]);
16642		var clr: half4 = half4(half(rg.x), half(rg.y), half(ba.x), alpha);
16643	#endif
16644	let cornerUV = vec2f(vertex_position.xy);
16645	#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
16646		let alphaClipValue = half(uniform.alphaClip);
16647	#else
16648		let alphaClipValue = half(uniform.alphaClipForward);
16649	#endif
16650	let clip = min(half(1.0), sqrt(max(half(0.0), log(alpha / alphaClipValue))) * half(0.5));
16651	let cornerClipped = cornerUV * f32(clip);
16652	let c = vec2f(proj.w) * uniform.viewport_size.zw;
16653	let pixelOffset = cornerClipped.x * v1 + cornerClipped.y * v2;
16654	let clipOffset = pixelOffset * c;
16655	output.position = proj + vec4f(clipOffset, 0.0, 0.0);
16656	output.gaussianUV = half2(cornerClipped);
16657	let viewDepth = dot(uniform.clipToViewZ, proj);
16658	#ifdef GSPLAT_OVERDRAW
16659		let t: f32 = clamp(viewDepth / 20.0, 0.0, 1.0);
16660		let rampColor: vec3f = textureSampleLevel(colorRamp, colorRampSampler, vec2f(t, 0.5), 0.0).rgb;
16661		let outAlpha = alpha * half(1.0 / 32.0) * half(uniform.colorRampIntensity);
16662		output.gaussianColor = half4(half3(rampColor), outAlpha);
16663	#else
16664		output.gaussianColor = half4(
16665			half3(prepareOutputFromGamma(max(vec3f(clr.xyz), vec3f(0.0)), viewDepth)),
16666			alpha
16667		);
16668	#endif
16669	#ifndef DITHER_NONE
16670		output.id = f32(cacheIdx);
16671	#endif
16672	#ifdef PREPASS_PASS
16673		output.vLinearDepth = viewDepth;
16674	#endif
16675	#if defined(GSPLAT_UNIFIED_ID) && defined(PICK_PASS)
16676		output.vPickId = pickId;
16677	#endif
16678	return output;
16679}
16680`,jG=`
16681fn pack8888(v: vec4f) -> u32 {
16682	let t = vec4u(v * 255.0) << vec4u(24u, 16u, 8u, 0u);
16683	return t.x | t.y | t.z | t.w;
16684}
16685fn pack101010(v: vec3f) -> u32 {
16686	let t = vec3u(v * vec3f(1023.0, 1023.0, 1023.0)) << vec3u(20u, 10u, 0u);
16687	return t.x | t.y | t.z;
16688}
16689fn pack111110(v: vec3f) -> u32 {
16690	let t = vec3u(v * vec3f(2047.0, 2047.0, 1023.0)) << vec3u(21u, 10u, 0u);
16691	return t.x | t.y | t.z;
16692}
16693fn unpack8888(v: u32) -> vec4f {
16694	return vec4f((vec4u(v) >> vec4u(24u, 16u, 8u, 0u)) & vec4u(0xffu)) / 255.0;
16695}
16696fn unpack101010(v: u32) -> vec3f {
16697	return vec3f((vec3u(v) >> vec3u(20u, 10u, 0u)) & vec3u(0x3ffu)) / 1023.0;
16698}
16699fn unpack111110(v: u32) -> vec3f {
16700	return vec3f((vec3u(v) >> vec3u(21u, 10u, 0u)) & vec3u(0x7ffu, 0x7ffu, 0x3ffu)) / vec3f(2047.0, 2047.0, 1023.0);
16701}`,qG=`
16702uniform splatTextureSize: u32;
16703`,$G=`
16704var<private> tAw: u32;
16705var<private> tBcached: vec4f;
16706fn unpackRotation(data: vec3f) -> vec4f {
16707	return vec4f(data.xyz, sqrt(max(0.0, 1.0 - dot(data, data))));
16708}
16709fn getCenter() -> vec3f {
16710	let tA: vec4<u32> = loadTransformA();
16711	tAw = tA.w;
16712	tBcached = loadTransformB();
16713	return bitcast<vec3f>(tA.xyz);
16714}
16715fn getColor() -> vec4f {
16716	return loadSplatColor();
16717}
16718fn getRotation() -> vec4f {
16719	return unpackRotation(vec3f(unpack2x16float(tAw), tBcached.w)).wxyz;
16720}
16721fn getScale() -> vec3f {
16722	return tBcached.xyz;
16723}
16724#include "gsplatUncompressedSHVS"
16725`,KG=`
16726#if SH_BANDS > 0
16727fn unpack111011s(bits: u32) -> vec3f {
16728	return (vec3f((vec3<u32>(bits) >> vec3<u32>(21u, 11u, 0u)) & vec3<u32>(0x7ffu, 0x3ffu, 0x7ffu)) / vec3f(2047.0, 1023.0, 2047.0)) * 2.0 - 1.0;
16729}
16730struct ScaleAndSH {
16731	scale: f32,
16732	a: vec3f,
16733	b: vec3f,
16734	c: vec3f
16735};
16736fn fetchScale(t_in: vec4<u32>) -> ScaleAndSH {
16737	var result: ScaleAndSH;
16738	result.scale = bitcast<f32>(t_in.x);
16739	result.a = unpack111011s(t_in.y);
16740	result.b = unpack111011s(t_in.z);
16741	result.c = unpack111011s(t_in.w);
16742	return result;
16743}
16744struct SH {
16745	a: vec3f,
16746	b: vec3f,
16747	c: vec3f,
16748	d: vec3f
16749};
16750fn fetch4(t_in: vec4<u32>) -> SH {
16751	var result: SH;
16752	result.a = unpack111011s(t_in.x);
16753	result.b = unpack111011s(t_in.y);
16754	result.c = unpack111011s(t_in.z);
16755	result.d = unpack111011s(t_in.w);
16756	return result;
16757}
16758fn fetch1(t_in: u32) -> vec3f {
16759	return unpack111011s(t_in);
16760}
16761#if SH_BANDS == 1
16762	fn readSHData(sh: ptr<function, array<half3, 3>>, scale: ptr<function, f32>) {
16763		let result = fetchScale(loadSplatSH_1to3());
16764		*scale = result.scale;
16765		sh[0] = half3(result.a);
16766		sh[1] = half3(result.b);
16767		sh[2] = half3(result.c);
16768	}
16769#elif SH_BANDS == 2
16770	fn readSHData(sh: ptr<function, array<half3, 8>>, scale: ptr<function, f32>) {
16771		let first: ScaleAndSH = fetchScale(loadSplatSH_1to3());
16772		*scale = first.scale;
16773		sh[0] = half3(first.a);
16774		sh[1] = half3(first.b);
16775		sh[2] = half3(first.c);
16776		let second: SH = fetch4(loadSplatSH_4to7());
16777		sh[3] = half3(second.a);
16778		sh[4] = half3(second.b);
16779		sh[5] = half3(second.c);
16780		sh[6] = half3(second.d);
16781		sh[7] = half3(fetch1(loadSplatSH_8to11().x));
16782	}
16783#else
16784	fn readSHData(sh: ptr<function, array<half3, 15>>, scale: ptr<function, f32>) {
16785		let first: ScaleAndSH = fetchScale(loadSplatSH_1to3());
16786		*scale = first.scale;
16787		sh[0] = half3(first.a);
16788		sh[1] = half3(first.b);
16789		sh[2] = half3(first.c);
16790		let second: SH = fetch4(loadSplatSH_4to7());
16791		sh[3] = half3(second.a);
16792		sh[4] = half3(second.b);
16793		sh[5] = half3(second.c);
16794		sh[6] = half3(second.d);
16795		let third: SH = fetch4(loadSplatSH_8to11());
16796		sh[7] = half3(third.a);
16797		sh[8] = half3(third.b);
16798		sh[9] = half3(third.c);
16799		sh[10] = half3(third.d);
16800		let fourth: SH = fetch4(loadSplatSH_12to15());
16801		sh[11] = half3(fourth.a);
16802		sh[12] = half3(fourth.b);
16803		sh[13] = half3(fourth.c);

16804		sh[14] = half3(fourth.d);
16805	}
16806#endif
16807#endif
16808`,ZG=`
16809#include "gsplatPackingPS"
16810var chunkTexture: texture_2d<uff>;
16811var<private> chunkDataA: vec4f;
16812var<private> chunkDataB: vec4f;
16813var<private> chunkDataC: vec4f;
16814var<private> chunkDataD: vec4f;
16815var<private> chunkDataE: vec4f;
16816var<private> packedData: vec4u;
16817fn unpack111011(bits: u32) -> vec3f {
16818	return (vec3f((vec3<u32>(bits) >> vec3<u32>(21u, 11u, 0u)) & vec3<u32>(0x7ffu, 0x3ffu, 0x7ffu))) / vec3f(2047.0, 1023.0, 2047.0);
16819}
16820const norm_const: f32 = sqrt(2.0);
16821fn unpackRotation(bits: u32) -> vec4f {
16822	let a = (f32((bits >> 20u) & 0x3ffu) / 1023.0 - 0.5) * norm_const;
16823	let b = (f32((bits >> 10u) & 0x3ffu) / 1023.0 - 0.5) * norm_const;
16824	let c = (f32(bits & 0x3ffu) / 1023.0 - 0.5) * norm_const;
16825	let m = sqrt(1.0 - (a * a + b * b + c * c));
16826	let mode = bits >> 30u;
16827	if (mode == 0u) { return vec4f(m, a, b, c); }
16828	if (mode == 1u) { return vec4f(a, m, b, c); }
16829	if (mode == 2u) { return vec4f(a, b, m, c); }
16830	return vec4f(a, b, c, m);
16831}
16832fn getCenter() -> vec3f {
16833	let tex_size_u = textureDimensions(chunkTexture, 0);
16834	let w: u32 = tex_size_u.x / 5u;
16835	let chunkId: u32 = splat.index / 256u;
16836	let chunkUV: vec2<i32> = vec2<i32>(i32((chunkId % w) * 5u), i32(chunkId / w));
16837	chunkDataA = textureLoad(chunkTexture, chunkUV + vec2<i32>(0, 0), 0);
16838	chunkDataB = textureLoad(chunkTexture, chunkUV + vec2<i32>(1, 0), 0);
16839	chunkDataC = textureLoad(chunkTexture, chunkUV + vec2<i32>(2, 0), 0);
16840	chunkDataD = textureLoad(chunkTexture, chunkUV + vec2<i32>(3, 0), 0);
16841	chunkDataE = textureLoad(chunkTexture, chunkUV + vec2<i32>(4, 0), 0);
16842	packedData = loadPackedTexture();
16843	return mix(chunkDataA.xyz, vec3f(chunkDataA.w, chunkDataB.xy), unpack111011(packedData.x));
16844}
16845fn getColor() -> vec4f {
16846	let r = unpack8888(packedData.w);
16847	return vec4f(mix(chunkDataD.xyz, vec3f(chunkDataD.w, chunkDataE.xy), r.rgb), r.w);
16848}
16849fn getRotation() -> vec4f {
16850	return unpackRotation(packedData.y);
16851}
16852fn getScale() -> vec3f {
16853	return exp(mix(vec3f(chunkDataB.zw, chunkDataC.x), chunkDataC.yzw, unpack111011(packedData.z)));
16854}
16855#include "gsplatCompressedSHVS"
16856`,QG=`
16857#if SH_BANDS > 0
16858fn unpack8888s(bits: u32) -> half4 {
16859	let unpacked_u = (vec4<u32>(bits) >> vec4<u32>(0u, 8u, 16u, 24u)) & vec4<u32>(0xffu);
16860	return half4(vec4f(unpacked_u) * (8.0 / 255.0) - 4.0);
16861}
16862fn readSHData(sh: ptr<function, array<half3, 15>>, scale: ptr<function, f32>) {
16863	let shData0: vec4<u32> = loadShTexture0();
16864	let shData1: vec4<u32> = loadShTexture1();
16865	let shData2: vec4<u32> = loadShTexture2();
16866	let r0: half4 = unpack8888s(shData0.x);
16867	let r1: half4 = unpack8888s(shData0.y);
16868	let r2: half4 = unpack8888s(shData0.z);
16869	let r3: half4 = unpack8888s(shData0.w);
16870	let g0: half4 = unpack8888s(shData1.x);
16871	let g1: half4 = unpack8888s(shData1.y);
16872	let g2: half4 = unpack8888s(shData1.z);
16873	let g3: half4 = unpack8888s(shData1.w);
16874	let b0: half4 = unpack8888s(shData2.x);
16875	let b1: half4 = unpack8888s(shData2.y);
16876	let b2: half4 = unpack8888s(shData2.z);
16877	let b3: half4 = unpack8888s(shData2.w);
16878	sh[0] =  half3(r0.x, g0.x, b0.x);
16879	sh[1] =  half3(r0.y, g0.y, b0.y);
16880	sh[2] =  half3(r0.z, g0.z, b0.z);
16881	sh[3] =  half3(r0.w, g0.w, b0.w);
16882	sh[4] =  half3(r1.x, g1.x, b1.x);
16883	sh[5] =  half3(r1.y, g1.y, b1.y);
16884	sh[6] =  half3(r1.z, g1.z, b1.z);
16885	sh[7] =  half3(r1.w, g1.w, b1.w);
16886	sh[8] =  half3(r2.x, g2.x, b2.x);

16887	sh[9] =  half3(r2.y, g2.y, b2.y);
16888	sh[10] = half3(r2.z, g2.z, b2.z);
16889	sh[11] = half3(r2.w, g2.w, b2.w);
16890	sh[12] = half3(r3.x, g3.x, b3.x);
16891	sh[13] = half3(r3.y, g3.y, b3.y);
16892	sh[14] = half3(r3.z, g3.z, b3.z);
16893	*scale = 1.0;
16894}
16895#endif
16896`,JG=`
16897uniform means_mins: vec3f;
16898uniform means_maxs: vec3f;
16899#ifndef SOG_V2
16900	uniform scales_mins: vec3f;
16901	uniform scales_maxs: vec3f;
16902	uniform sh0_mins: vec4f;
16903	uniform sh0_maxs: vec4f;
16904#endif
16905const SH_C0: f32 = 0.28209479177387814;
16906const norm: f32 = sqrt(2.0);
16907#ifdef SOG_V2
16908	fn lutScales(b: i32) -> f32 { return textureLoad(sogCodebook, vec2i(b, 0), 0).r; }
16909	fn lutSh0(b: i32) -> f32	{ return textureLoad(sogCodebook, vec2i(b, 0), 0).g; }
16910	fn lutShN(b: i32) -> f32	{ return textureLoad(sogCodebook, vec2i(b, 0), 0).b; }
16911#endif
16912fn getCenter() -> vec3f {
16913	let l = textureLoad(means_l, splat.uv, 0).xyz;
16914	let u = textureLoad(means_u, splat.uv, 0).xyz;
16915	let n = (l + u * 256.0) / 257.0;
16916	let v = mix(uniform.means_mins, uniform.means_maxs, n);
16917	return sign(v) * (exp(abs(v)) - 1.0);
16918}
16919fn getRotation() -> vec4f {
16920	let q = textureLoad(quats, splat.uv, 0);
16921	let qmode = u32(q.w * 255.0 + 0.5) - 252u;
16922	let abc = (q.xyz - 0.5) * norm;
16923	let d = sqrt(max(0.0, 1.0 - dot(abc, abc)));
16924	var quat: vec4f;
16925	if (qmode == 0u) {
16926		quat = vec4f(d, abc);
16927	} else if (qmode == 1u) {
16928		quat = vec4f(abc.x, d, abc.y, abc.z);
16929	} else if (qmode == 2u) {
16930		quat = vec4f(abc.x, abc.y, d, abc.z);
16931	} else {
16932		quat = vec4f(abc.x, abc.y, abc.z, d);
16933	}
16934	return quat;
16935}
16936fn getScale() -> vec3f {
16937	let s = textureLoad(scales, splat.uv, 0).xyz;
16938	var logS: vec3f;
16939	#ifdef SOG_V2
16940		let i = vec3i(s * 255.0 + 0.5);
16941		logS = vec3f(lutScales(i.x), lutScales(i.y), lutScales(i.z));
16942	#else
16943		logS = mix(uniform.scales_mins, uniform.scales_maxs, s);
16944	#endif
16945	return exp(logS);
16946}
16947fn getColor() -> vec4f {
16948	let c = textureLoad(sh0, splat.uv, 0);
16949	var rgb: vec3f;
16950	var alpha: f32;
16951	#ifdef SOG_V2
16952		let i = vec3i(c.xyz * 255.0 + 0.5);
16953		rgb = vec3f(lutSh0(i.x), lutSh0(i.y), lutSh0(i.z));
16954		alpha = c.w;
16955	#else
16956		rgb = mix(uniform.sh0_mins.xyz, uniform.sh0_maxs.xyz, c.xyz);
16957		let logitAlpha = mix(uniform.sh0_mins.w, uniform.sh0_maxs.w, c.w);
16958		alpha = 1.0 / (1.0 + exp(-logitAlpha));
16959	#endif
16960	return vec4f(vec3f(0.5) + rgb * SH_C0, alpha);
16961}
16962#include "gsplatSogSHVS"
16963`,e4=`
16964#if SH_BANDS > 0
16965	#ifndef SOG_V2
16966		uniform shN_mins: f32;
16967		uniform shN_maxs: f32;
16968	#endif
16969	fn readSHTexel(u: i32, v: i32) -> half3 {
16970		let t = textureLoad(sh_centroids, vec2i(u, v), 0);
16971		#ifdef SOG_V2
16972			let idx = vec3i(t.xyz * 255.0 + 0.5);
16973			return half3(vec3f(lutShN(idx.x), lutShN(idx.y), lutShN(idx.z)));
16974		#else
16975			return mix(half3(half(uniform.shN_mins)), half3(half(uniform.shN_maxs)), half3(t.xyz));
16976		#endif
16977	}
16978	fn readSHData(sh: ptr<function, array<half3, SH_COEFFS>>, scale: ptr<function, f32>) {
16979		let labels = textureLoad(sh_labels, splat.uv, 0);
16980		let n = i32(labels.x * 255.0 + 0.5) + i32(labels.y * 255.0 + 0.5) * 256;
16981		let u = (n % 64) * SH_COEFFS;
16982		let v = n / 64;
16983		sh[0] = readSHTexel(u, v);
16984		sh[1] = readSHTexel(u + 1, v);
16985		sh[2] = readSHTexel(u + 2, v);
16986		#if SH_BANDS > 1
16987			sh[3] = readSHTexel(u + 3, v);
16988			sh[4] = readSHTexel(u + 4, v);
16989			sh[5] = readSHTexel(u + 5, v);
16990			sh[6] = readSHTexel(u + 6, v);
16991			sh[7] = readSHTexel(u + 7, v);
16992		#endif
16993		#if SH_BANDS > 2
16994			sh[8]  = readSHTexel(u + 8, v);
16995			sh[9]  = readSHTexel(u + 9, v);
16996			sh[10] = readSHTexel(u + 10, v);
16997			sh[11] = readSHTexel(u + 11, v);
16998			sh[12] = readSHTexel(u + 12, v);
16999			sh[13] = readSHTexel(u + 13, v);
17000			sh[14] = readSHTexel(u + 14, v);
17001		#endif
17002		*scale = 1.0;
17003	}
17004#endif
17005`,t4=`
17006#include "gsplatContainerDeclarationsVS"
17007var<private> splatCenter: vec3f;
17008var<private> splatColor: vec4f;
17009var<private> splatScale: vec3f;
17010var<private> splatRotation: vec4f;
17011`,s4=`
17012fn getCenter() -> vec3f {
17013	#include "gsplatContainerUserReadVS"
17014	return splatCenter;
17015}
17016fn getRotation() -> vec4f {
17017	return splatRotation;
17018}
17019fn getScale() -> vec3f {
17020	return splatScale;
17021}
17022fn getColor() -> vec4f {
17023	return splatColor;
17024}
17025`;const i4={gsplatCenterVS:RG,gsplatCornerVS:zG,gsplatTileCompositeVS:VG,gsplatCommonVS:LG,gsplatSplatVS:FG,gsplatEvalSHVS:OG,gsplatHelpersVS:BG,gsplatModifyVS:NG,gsplatStructsVS:UG,gsplatQuatToMat3VS:kG,gsplatOutputVS:_C,gsplatPS:GG,gsplatTileCompositePS:HG,gsplatSourceVS:WG,gsplatVS:XG,gsplatHybridVS:YG,gsplatPackingPS:jG,g

17025splatFormatVS:qG,gsplatUncompressedVS:$G,gsplatUncompressedSHVS:KG,gsplatCompressedVS:ZG,gsplatCompressedSHVS:QG,gsplatSogVS:JG,gsplatSogSHVS:e4,gsplatContainerDeclVS:t4,gsplatContainerReadVS:s4,gsplatContainerFloatReadVS:tw},M_=["enabled"],Ml=["unified","lodBaseDistance","lodMultiplier","castShadows","material","highQualitySH","asset","resource","layers"];class r4 extends Tt{static EVENT_MATERIALCREATED="material:created";static EVENT_FRAMEREADY="frame:ready";constructor(e){super(e),this.id="gsplat",this.ComponentType=wC,this.DataType=oG,this.schema=M_,e.renderer.gsplatDirector=new nG(e.graphicsDevice,e.renderer,e.scene,this),be.get(e.graphicsDevice,ze).add(MG),be.get(e.graphicsDevice,de).add(i4),this.on("beforeremove",this.onRemove,this)}initializeComponentData(e,t,s){t.layers&&t.layers.length&&(t.layers=t.layers.slice(0));for(let i=0;i<Ml.length;i++)t.hasOwnProperty(Ml[i])&&(e[Ml[i]]=t[Ml[i]]);t.aabbCenter&&t.aabbHalfExtents&&(e.customAabb=new Le(new E(t.aabbCenter),new E(t.aabbHalfExtents))),super.initializeComponentData(e,t,M_)}cloneComponent(e,t){const s=e.gsplat,i={};Ml.forEach(a=>{if(a==="material"){if(!s.unified){const n=s[a];n&&(i[a]=n.clone())}}else i[a]=s[a]}),i.enabled=s.enabled;const r=this.addComponent(t,i);return r.customAabb=s.customAabb?.clone()??null,r}onRemove(e,t){t.onRemove()}getMaterial(e,t){const s=this.app.renderer.gsplatDirector;if(!s)return null;const i=s.camerasMap.get(e);return i?i.layersMap.get(t)?.gsplatManager?.material??null:null}getGSplatMaterial(e,t){return this.getMaterial(e,t)}}ye._buildAccessors(wC.prototype,M_);class CC extends ge{static EVENT_SETMESHES="set:meshes";_meshes=null;set meshes(e){this.decRefMeshes(),this._meshes=e,this.incRefMeshes(),this.fire("set:meshes",e)}get meshes(){return this._meshes}destroy(){this.meshes=null}decRefMeshes(){this._meshes?.forEach((e,t)=>{e&&(e.decRefCount(),e.refCount<1&&(e.destroy(),this._meshes[t]=null))})}incRefMeshes(){this._meshes?.forEach(e=>{e?.incRefCount()})}}function Od(l){const e=this;if(!e.resource)return;const t=l.resource,s=t.renders&&t.renders[e.data.renderIndex];s&&(e.resource.meshes=s.resource.meshes)}function B0(l){const e=this;e.registry.off(`load:${l.id}`,Od,e),e.registry.on(`load:${l.id}`,Od,e),e.registry.off(`remove:${l.id}`,N0,e),e.registry.once(`remove:${l.id}`,N0,e),l.resource?Od.call(e,l):e.registry.load(l)}function N0(l){const e=this;e.registry.off(`load:${l.id}`,Od,e),e.resource&&e.resource.destroy()}class a4 extends dt{constructor(e){super(e,"render"),this._registry=e.assets}open(e,t){return new CC}patch(e,t){if(!e.data.containerAsset)return;const s=t.get(e.data.containerAsset);if(!s){t.once(`add:${e.data.containerAsset}`,B0,e);return}B0.call(e,s)}}class EC{constructor(e,t,s,i){this._paths=e,this._input=t,this._output=s,this._interpolation=i}get paths(){return this._paths}get input(){return this._input}get output(){return this._output}get interpolation(){return this._interpolation}}class Cu{constructor(e,t){this._components=e,this._data=t}get components(){return this._components}get data(){return this._data}}function n4(l,e){let t;

17025const r=(p,m)=>{switch(m){case t.DT_INT8:return new Int8Array(p.buffer,p.byteOffset,p.byteLength);case t.DT_INT16:return new Int16Array(p.buffer,p.byteOffset,p.byteLength/2);case t.DT_INT32:return new Int32Array(p.buffer,p.byteOffset,p.byteLength/4);case t.DT_UINT8:return new Uint8Array(p.buffer,p.byteOffset,p.byteLength);case t.DT_UINT16:return new Uint16Array(p.buffer,p.byteOffset,p.byteLength/2);case t.DT_UINT32:return new Uint32Array(p.buffer,p.byteOffset,p.byteLength/4);case t.DT_FLOAT32:return new Float32Array(p.buffer,p.byteOffset,p.byteLength/4)}return null},a=p=>{switch(p){case t.DT_INT8:return 1;case t.DT_INT16:return 2;case t.DT_INT32:return 4;case t.DT_UINT8:return 1;case t.DT_UINT16:return 2;case t.DT_UINT32:return 4;case t.DT_FLOAT32:return 4}return 1},n=p=>{switch(p){case t.DT_INT8:return 0;case t.DT_UINT8:return 1;case t.DT_INT16:return 2;case t.DT_UINT16:return 3;case t.DT_INT32:return 4;case t.DT_UINT32:return 5;case t.DT_FLOAT32:return 6;default:return 6}},o=p=>p.num_components()*a(p.data_type()),c={0:0,1:1,5:2,2:3,7:4,8:5,4:6,3:7},h=(p,m)=>{const _=(O,D,N)=>{O[0]=D[0]-N[0],O[1]=D[1]-N[1],O[2]=D[2]-N[2]},g=(O,D,N)=>{O[0]=D[1]*N[2]-N[1]*D[2],O[1]=D[2]*N[0]-N[2]*D[0],O[2]=D[0]*N[1]-N[0]*D[1]},v=(O,D)=>{const N=O[D+0],k=O[D+1],A=O[D+2],M=1/Math.sqrt(N*N+k*k+A*A);O[D+0]*=M,O[D+1]*=M,O[D+2]*=M},x=(O,D,N)=>{for(let k=0;k<3;++k)O[k]=D[N+k]},y=m.length/3,S=p.length/3,T=new Float32Array(p.length),w=[0,0,0],C=[0,0,0],b=[0,0,0],I=[0,0,0],P=[0,0,0],L=[0,0,0];for(let O=0;O<y;++O){const D=m[O*3+0]*3,N=m[O*3+1]*3,k=m[O*3+2]*3;x(w,p,D),x(C,p,N),x(b,p,k),_(I,C,w),_(P,b,w),g(L,I,P),v(L,0);for(let A=0;A<3;++A)T[D+A]+=L[A],T[N+A]+=L[A],T[k+A]+=L[A]}for(let O=0;O<S;++O)v(T,O*3);return new Uint8Array(T.buffer)},d=p=>{const m={},_=new t.DecoderBuffer;_.Init(p,p.length);const g=new t.Decoder;if(g.GetEncodedGeometryType(_)!==t.TRIANGULAR_MESH)return m.error="Failed to decode draco mesh: not a mesh",m;const v=new t.Mesh,x=g.DecodeBufferToMesh(_,v);if(!x||!x.ok()||t.getPointer(v)===0)return m.error="Failed to decode draco asset",m;const y=v.num_faces()*3,S=v.num_points()<=65535,T=y*(S?2:4),w=t._malloc(T);S?(g.GetTrianglesUInt16Array(v,T,w),m.indices=new Uint16Array(t.HEAPU16.buffer,w,y).slice().buffer):(g.GetTrianglesUInt32Array(v,T,w),m.indices=new Uint32Array(t.HEAPU32.buffer,w,y).slice().buffer),t._free(w);const C=[];for(let D=0;D<v.num_attributes();++D)C.push(g.GetAttribute(v,D));C.sort((D,N)=>(c[D.attribute_type()]??c.length)-(c[N.attribute_type()]??c.length));let b=0;const I=C.map(D=>{const N=b;return b+=Math.ceil(o(D)/4)*4,N}),P=C.some(D=>D.attribute_type()===1);let L=I[1]??0;if(!P){L=I[0]+Math.ceil(o(C[0])/4)*4;for(let D=1;D<I.length;++D)I[D]+=12;b+=12}m.attributes=C.map((D,N)=>({id:D.unique_id(),dataType:n(D.data_type()),numComponents:D.num_components(),offset:I[N]})),P||m.attributes.splice(1,0,{id:-1,dataType:6,numComponents:3,offset:L}),m.stride=b,m.vertices=new ArrayBuffer(v.num_points()*b);const O=new Uint8Array(m.vertices);for(let D=0;D<v.num_attributes();++D){const N=C[D],k=o(N),A=v.num_points()*k,M=t._malloc(A);g.GetAttributeDataArrayForAllPoints(v,N,N.data_type(),A,M);const R=new Uint8Array(t.HEAPU8.buffer,M,A);for(let F=0;F<v.num_points();++F)for(let U=0;U<k;++U)O[F*b+I[D]+U]=R[F*k+U];if(!P&&N.attribute_type()===0){const F=h(r(R,N.data_type()),S?new Uint16Array(m.indices):new Uint32Array(m.indices));for(let U=0;U<v.num_points();++U)for(let B=0;B<12;++B)O[U*b+L+B]=F[U*12+B]}t._free(M)}return t.destroy(v),t.destroy(g),t.destroy(_),m},u=p=>{const m=d(new Uint8Array(p.buffer));self.postMessage({jobId:p.jobId,error:m.error,indices:m.indices,vertices:m.vertices,attributes:m.attributes,stride:m.stride},[m.indices,m.vertices].filter(_=>_!=null))},f=[];self.onmessage=p=>{const m=p.data;switch(m.type){case"init":self.DracoDecoderModule({instantiateWasm:(_,g)=>(WebAssembly.instantiate(m.module,_).then(v=>g(v)).catch(v=>console.error(`instantiate failed + ${v}`)),{})}).then(_=>{t=_,f.forEach(g=>u(g))});break;case"decodeMesh":t?u(m):f.push(m);break}}}const k0=3;class o4{constructor(){this.workers=[[],[],[]],this.jobId=0,this.jobQueue=[],this.jobCallbacks=new Map,this.run=(e,t)=>{e.postMessage({type:"decodeMesh",jobId:t.jobId,buffer:t.buffer},[t.buffer])}}init(e){for(e.forEach(t=>{t.addEventListener("message",s=>{const i=s.data,r=this.jobCallbacks.get(i.jobId);if(r&&r(i.error,{indices:i.indices,vertices:i.vertices,attributes:i.attributes,str

17025ide:i.stride}),this.jobCallbacks.delete(i.jobId),this.jobQueue.length>0){const a=this.jobQueue.shift();this.run(t,a)}else{const a=this.workers[2].indexOf(t);if(a!==-1)this.workers[2].splice(a,1),this.workers[1].push(t);else{const n=this.workers[1].indexOf(t);n!==-1&&(this.workers[1].splice(n,1),this.workers[0].push(t))}}})}),this.workers[0]=e;this.jobQueue.length&&(this.workers[0].length||this.workers[1].length);){const t=this.jobQueue.shift();if(this.workers[0].length>0){const s=this.workers[0].shift();this.workers[1].push(s),this.run(s,t)}else{const s=this.workers[1].shift();this.workers[2].push(s),this.run(s,t)}}}enqueueJob(e,t){const s={jobId:this.jobId++,buffer:e};if(this.jobCallbacks.set(s.jobId,t),this.workers[0].length>0){const i=this.workers[0].shift();this.workers[1].push(i),this.run(i,s)}else if(this.workers[1].length>0){const i=this.workers[1].shift();this.workers[2].push(i),this.run(i,s)}else this.jobQueue.push(s)}}const l4=l=>new Promise((e,t)=>{const s={cache:!0,responseType:"text",retry:k0>0,maxRetries:k0};ht.get(l,s,(i,r)=>{i?t(i):e(r)})}),c4=l=>{const e=()=>fetch(l).then(s=>s.arrayBuffer()).then(s=>WebAssembly.compile(s)),t=()=>WebAssembly.compileStreaming(fetch(l)).catch(s=>e());return WebAssembly.compileStreaming?t():e()},U0=1;let Bd;const h4=l=>{if(Bd)return!0;if(!l){const e=Ix.getConfig("DracoDecoderModule");e?l={jsUrl:e.glueUrl,wasmUrl:e.wasmUrl,numWorkers:e.numWorkers}:l={jsUrl:"draco.wasm.js",wasmUrl:"draco.wasm.wasm",numWorkers:U0}}return!l.jsUrl||!l.wasmUrl?!1:(Bd=new o4,Promise.all([l4(l.jsUrl),c4(l.wasmUrl)]).then(([e,t])=>{const s=["/* draco */",e,"/* worker */",`(
17026${n4.toString()}
17027)()
17028
17029`].join(`
17030`),i=new Blob([s],{type:"application/javascript"}),r=URL.createObjectURL(i),a=Math.max(1,Math.min(16,l.numWorkers||U0)),n=[];for(let o=0;o<a;++o){const c=new Worker(r);c.postMessage({type:"init",module:t}),n.push(c)}Bd.init(n)}),!0)},d4=(l,e)=>h4()?(Bd.enqueueJob(l,e),!0):!1;class u4{gltf;nodes;scenes;animations;textures;materials;variants;meshVariants;meshDefaultMaterials;renders;skins;lights;cameras;nodeInstancingMap;destroy(){this.renders&&this.renders.forEach(e=>{e.meshes=null})}}const bC=l=>/^data:[^\n\r,\u2028\u2029]*,.*$/i.test(l),f4=l=>l.substring(l.indexOf(":")+1,l.indexOf(";")),Eu=l=>{switch(l){case"SCALAR":return 1;case"VEC2":return 2;case"VEC3":return 3;case"VEC4":return 4;case"MAT2":return 4;case"MAT3":return 9;case"MAT4":return 16;default:return 3}},Jg=l=>{switch(l){case 5120:return ua;case 5121:return mr;case 5122:return fa;case 5123:return mn;case 5124:return Yo;case 5125:return Xc;case 5126:return je;default:return 0}},p4=l=>{switch(l){case 5120:return 1;case 5121:return 1;case 5122:return 2;case 5123:return 2;case 5124:return 4;case 5125:return 4;case 5126:return 4;default:return 0}},m4=l=>{switch(l){case 5120:return Int8Array;case 5121:return Uint8Array;case 5122:return Int16Array;case 5123:return Uint16Array;case 5124:return Int32Array;case 5125:return Uint32Array;case 5126:return Float32Array;default:return null}},R_={POSITION:Ie,NORMAL:Cs,TANGENT:Gi,COLOR_0:ns,JOINTS_0:Bs,WEIGHTS_0:ki,TEXCOORD_0:Zs,TEXCOORD_1:pn,TEXCOORD_2:Uc,TEXCOORD_3:zc,TEXCOORD_4:Vc,TEXCOORD_5:Gc,TEXCOORD_6:Hc,TEXCOORD_7:Wc},z0={[Ie]:0,[Cs]:1,[Gi]:2,[ns]:3,[Bs]:4,[ki]:5,[Zs]:6,[pn]:7,[Uc]:8,[zc]:9,[Vc]:10,[Gc]:11,[Hc]:12,[Wc]:13},_4=l=>{switch(l){case ua:return e=>Math.max(e/127,-1);case mr:return e=>e/255;case fa:return e=>Math.max(e/32767,-1);case mn:return e=>e/65535;default:return e=>e}},L_=(l,e,t)=>{const s=_4(t),i=e.length;for(let r=0;r<i;++r)l[r]=s(e[r]);return l},Qa=(l,e,t=!1)=>{const s=Eu(l.type),i=m4(l.componentType);if(!i)return null;let r;if(l.sparse){const a=l.sparse,n={count:a.count,type:"SCALAR"},o=Qa(Object.assign(n,a.indices),e,!0),c={count:a.count,type:l.type,componentType:l.componentType},h=Qa(Object.assign(c,a.values),e,!0);if(l.hasOwnProperty("bufferView")){const d={bufferView:l.bufferView,byteOffset:l.byteOffset,componentType:l.componentType,count:l.count,type:l.type};r=Qa(d,e,!0).slice()}else r=new i(l.count*s);for(let d=0;d<a.count;++d){const u=o[d];for(let f=0;f<s;++f)r[u*s+f]=h[d*s+f]}}else if(l.hasOwnProperty("bufferView")){const a=e[l.bufferView];if(t&&a.hasOwnProperty("byteStride")){const n=s*i.BYTES_PER_ELEMENT,o=new ArrayBuffer(l.count*n),c=new Uint8Array(o);let h=0;for(let d=0;d<l.count;++d){let u=(l.byteOffset||0)+d*a.byteStride;for(let f=0;f<n;++f)c[h++]=a[u++]}r=new i(o)}else r=new i(a.buffer,a.byteOffset+(l.byteOffset||0),l.count*s)}else r=new i(l.count*s);return r},bo=(l,e)=>{const t=Qa(l,e,!0);if(t instanceof Float32Array||!l.normalized)return t;const s=new Float32Array(t.length);return L_(s,t,Jg(l.componentType)),s},F_=l=>{let e=l.min,t=l.max;if(!e||!t)return null;if(l.normalized){const s=Jg(l.componentType);e=L_([],e,s),t=L_([],t,s)}

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17030o.mappings.forEach(h=>{h.variants.forEach(d=>{c[d]=h.material})}),i[n.id]=c}return r[n.id]=e.material,n},E4=(l,e,t,s,i,r,a,n,o)=>{const c=[];return e.primitives.forEach(h=>{if(h.extensions?.KHR_draco_mesh_compression)c.push(C4(l,h,t,s,r,a,o));else{let d=h.hasOwnProperty("indices")?Qa(t[h.indices],s,!0):null;const u=T4(l,h.attributes,d,t,s,i),f=AC(h),p=new at(l);if(p.vertexBuffer=u,p.primitive[0].type=f,p.primitive[0].base=0,p.primitive[0].indexed=d!==null,d!==null){let _;d instanceof Uint8Array?_=zm:d instanceof Uint16Array?_=Ni:_=ra,_===zm&&l.isWebGPU&&(_=Ni,d=new Uint16Array(d));const g=new la(l,_,d.length,Ys,d);p.indexBuffer[0]=g,p.primitive[0].count=d.length}else p.primitive[0].count=u.numVertices;if(h.hasOwnProperty("extensions")&&h.extensions.hasOwnProperty("KHR_materials_variants")){const _=h.extensions.KHR_materials_variants,g={};_.mappings.forEach(v=>{v.variants.forEach(x=>{g[x]=v.material})}),r[p.id]=g}a[p.id]=h.material;let 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s;if(l.hasOwnProperty("diffuseFactor")){const[i,r,a,n]=l.diffuseFactor;e.diffuse.set(i,r,a).gamma(),e.opacity=n}else e.diffuse.set(1,1,1),e.opacity=1;if(l.hasOwnProperty("diffuseTexture")){const i=l.diffuseTexture;s=t[i.index],e.diffuseMap=s,e.diffuseMapChannel="rgb",e.opacityMap=s,e.opacityMapChannel="a",zt(i,e,["diffuse","opacity"])}if(e.useMetalness=!1,l.hasOwnProperty("specularFactor")){const[i,r,a]=l.specularFactor;e.specular.set(i,r,a).gamma()}else e.specular.set(1,1,1);if(l.hasOwnProperty("glossinessFactor")?e.gloss=l.glossinessFactor:e.gloss=1,l.hasOwnProperty("specularGlossinessTexture")){const i=l.specularGlossinessTexture;e.specularMap=e.glossMap=t[i.index],e.specularMapChannel="rgb",e.glossMapChannel="a",zt(i,e,["gloss","metalness"])}},A4=(l,e,t)=>{if(l.hasOwnProperty("clearcoatFactor")?e.clearCoat=l.clearcoatFactor*.25:e.clearCoat=0,l.hasOwnProperty("clearcoatTexture")){const 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s=l.clearcoatNormalTexture;e.clearCoatNormalMap=t[s.index],zt(s,e,["clearCoatNormal"]),s.hasOwnProperty("scale")?e.clearCoatBumpiness=s.scale:e.clearCoatBumpiness=1}e.clearCoatGlossInvert=!0},P4=(l,e,t)=>{e.useLighting=!1,e.emissive.copy(e.diffuse),e.emissiveMap=e.diffuseMap,e.emissiveMapUv=e.diffuseMapUv,e.emissiveMapTiling.copy(e.diffuseMapTiling),e.emissiveMapOffset.copy(e.diffuseMapOffset),e.emissiveMapRotation=e.diffuseMapRotation,e.emissiveMapChannel=e.diffuseMapChannel,e.emissiveVertexColor=e.diffuseVertexColor,e.emissiveVertexColorChannel=e.diffuseVertexColorChannel,e.useLighting=!1,e.useSkybox=!1,e.diffuse.set(1,1,1),e.diffuseMap=null,e.diffuseVertexColor=!1},I4=(l,e,t)=>{if(e.useMetalnessSpecularColor=!0,l.hasOwnProperty("specularColorTexture")&&(e.specularMap=t[l.specularColorTexture.index],e.specularMapChannel="rgb",zt(l.specularColorTexture,e,["specular"])),l.hasOwnProperty("specularColorFactor")){const[s,i,r]=l.specularColorFactor;e.specular.set(s,i,r).gamma()}else e.specular.set(1,1,1);l.hasOwnProperty("specularFactor")?e.specularityFactor=l.specularFactor:e.specularityFactor=1,l.hasOwnProperty("specularTexture")&&(e.specularityFactorMapChannel="a",e.specularityFactorMap=t[l.specularTexture.index],zt(l.specularTexture,e,["specularityFactor"]))},D4=(l,e,t)=>{l.hasOwnProperty("ior")&&(e.refractionIndex=1/l.ior)},M4=(l,e,t)=>{l.hasOwnProperty("dispersion")&&(e.dispersion=l.dispersion)},R4=(l,e,t)=>{e.blendType=Wi,e.useDynamicRefraction=!0,l.hasOwnProperty("transmissionFactor")&&(e.refraction=l.transmissionFactor),l.hasOwnProperty("transmissionTexture")&&(e.refractionMapChannel="r",e.refractionMap=t[l.transmissionTexture.index],zt(l.transmissionTexture,e,["refraction"]))},L4=(l,e,t)=>{if(e.useSheen=!0,l.hasOwnProperty("sheenColorFactor")){const[s,i,r]=l.sheenColorFactor;e.sheen.set(s,i,r).gamma()}else e.sheen.set(1,1,1);l.hasOwnProperty("sheenColorTexture")&&(e.sheenMap=t[l.sheenColorTexture.index],zt(l.sheenColorTexture,e,["sheen"])),e.sheenGloss=l.hasOwnProperty("sheenRoughnessFactor")?l.sheenRoughnessFactor:0,l.hasOwnProperty("sheenRoughnessTexture")&&(e.sheenGlossMap=t[l.sheenRoughnessTexture.index],e.sheenGlossMapChannel="a",zt(l.sheenRoughnessTexture,e,["sheenGloss"])),e.sheenGlossInvert=!0},F4=(l,e,t)=>{if(e.blendType=Wi,e.useDynamicRefraction=!0,l.hasOwnProperty("thicknessFactor")&&(e.thickness=l.thicknessFactor),l.hasOwnProperty("thicknessTexture")&&(e.thicknessMap=t[l.thicknessTexture.index],e.thicknessMapChannel="g",zt(l.thicknessTexture,e,["thickness"])),l.hasOwnProperty("attenuationDistance")&&(e.attenuationDistance=l.attenuationDistance),l.hasOwnProperty("attenuationColor")){const[s,i,r]=l.attenuationColor;e.attenuation.set(s,i,r).gamma()}},O4=(l,e,t)=>{l.hasOwnProperty("emissiveStrength")&&(e.emissiveIntensity=l.emissiveStrength)},B4=(l,e,t)=>{e.useIridescence=!0,l.hasOwnProperty("iridescenceFactor")&&(e.iridescence=l.iridescenceFactor),l.hasOwnProperty("iridescenceTexture")&&(e.iridescenceMapChannel="r",e.iridescenceMap=t[l.iridescenceTexture.index],zt(l.iridescenceTexture,e,["iridescence"])),l.hasOwnProperty("iridescenceIor")&&(e.iridescenceRefractionIndex=l.iridescenceIor),l.hasOwnProperty("iridescenceThicknessMinimum")&&(e.iridescenceThicknessMin=l.iridescenceThicknessMinimum),l.hasOwnProperty("iridescenceThicknessMaximum")&&(e.iridescenceThicknessMax=l.iridescenceThicknessMaximum),l.hasOwnProperty("iridescenceThicknessTexture")&&(e.iridescenceThicknessMapChannel="g",e.iridescenceThicknessMap=t[l.iridescenceThicknessTexture.index],zt(l.iridescenceThicknessTexture,e,["iridescenceThickness"]))},N4=(l,e,t)=>{if(e.enableGGXSpecular=!0,l.hasOwnProperty("anisotropyStrength")?e.anisotropyIntensity=l.anisotropyStrength:e.anisotropyIntensity=0,l.hasOwnProperty("anisotropyTexture")){const s=l.anisotropyTexture;e.anisotropyMap=t[s.index],zt(s,e,["anisotropy"])}l.hasOwnProperty("anisotropyRotation")?e.anisotropyRotation=l.anisotropyRotation*H.RAD_TO_DEG:e.anisotropyRotation=0},PC=(l,e)=>{const t=new Es;l.hasOwnProperty("name")&&(t.name=l.name),t.occludeSpecular=Af,t.diffuseVertexColor=!0,t.specularTint=!0,t.specularVertexColor=!0,t.specular.set(1,1,1),t.gloss=1,t.glossInvert=!0,t.useMetalness=!0;let s;if(l.hasOwnProperty("pbrMetallicRoughness")){const r=l.pbrMetallicRoughness;if(r.hasOwnProperty("baseColorFactor")){const[a,n,o,c]=r.baseColorFactor;t.diffuse.set(a,n,o).gamma(),t.opacity=c}if(r.hasOwnProperty("baseColorTexture")){const a=r.baseColorTexture;s=e[a.index],t.diffuseMap=s,t.diffuseMapChannel="rgb",t.opacityMap=s,t.opacityMapChannel="a",zt(a,t,["diffuse","opacity"])}if(r.hasOwnProperty("metallicFactor")&&(t.metalness=r.metallicFactor),r.hasOwnProperty("roughnessFactor")&&(t.gloss=r.roughnessFactor),r.hasOwnProperty("metallicRoughnessTexture")){const a=r.metallicRoughnessTexture;t.metalnessMap=t.glossMap=e[a.index],t.metalnessMapChannel="b",t.glossMapChannel="g",zt(a,t,["gloss","metalness"])}}if(l.hasOwnProperty("normalTexture")){const r=l.normalTexture;t.normalMap=e[r.index],zt(r,t,["normal"]),r.hasOwnProperty("scale")&&(t.bumpiness=r.scale)}if(l.hasOwnProperty("occlusionTexture")){const r=l.occlusionTexture;t.aoMap=e[r.index],t.aoMapChannel="r",zt(r,t,["ao"])}if(l.hasOwnProperty("emissiveFactor")){const[r,a,n]=l.emissiveFactor;t.emissive.set(r,a,n).gamma()}if(l.hasOwnProperty("emissiveTexture")){const r=l.emissiveTexture;t.emissiveMap=e[r.index],zt(r,t,["emissive"])}if(l.hasOwnProperty("alphaMode"))switch(l.alphaMode){case"MASK":t.blendType=Ns,l.hasOwnProperty("alphaCutoff")?t.alphaTest=l.alphaCutoff:t.alphaTest=.5;break;case"BLEND":t.blendType=Wi,t.depthWrite=!1;break;default:case"OPAQUE":t.blendType=Ns;break}else t.blendType=Ns;l.hasOwnProperty("doubleSided")?(t.twoSidedLighting=l.doubleSided,t.cull=l.doubleSided?Yt:tc):(t.twoSidedLighting=!1,t.cull=tc);const i={KHR_materials_clearcoat:A4,KHR_materials_emissive_strength:O4,KHR_materials_ior:D4,KHR_materials_dispersion:M4,KHR_materials_iridescence:B4,KHR_materials_pbrSpecularGlossiness:b4,KHR_materials_sheen:L4,KHR_materials_specular:I4,KHR_materials_transmission:R4,KHR_materials_unlit:P4,KHR_materials_volume:F4,KHR_materials_anisotropy:N4};if(l.hasOwnProperty("extensions"))for(const r in l.extensions){const a=i[r];a!==void 0&&a(l.extensions[r],t,e)}

17030return t.update(),t},k4=(l,e,t,s,i,r,a)=>{const n=C=>new Cu(Eu(C.type),bo(C,s)),o={STEP:Iw,LINEAR:o_,CUBICSPLINE:l_},c={},h={},d={};let u=1,f;for(f=0;f<l.samplers.length;++f){const C=l.samplers[f];c.hasOwnProperty(C.input)||(c[C.input]=n(t[C.input])),h.hasOwnProperty(C.output)||(h[C.output]=n(t[C.output]));const b=C.hasOwnProperty("interpolation")&&o.hasOwnProperty(C.interpolation)?o[C.interpolation]:o_,I={paths:[],input:C.input,output:C.output,interpolation:b};d[f]=I}const p=[],m={translation:"localPosition",rotation:"localRotation",scale:"localScale"},_=C=>{const b=[];for(;C;)b.unshift(C.name),C=C.parent;return b},g=(C,b,I)=>{const P=h[C.output];if(!P)return;let L;if(r&&r[b.mesh]){const M=r[b.mesh];M.hasOwnProperty("extras")&&M.extras.hasOwnProperty("targetNames")&&(L=M.extras.targetNames)}const O=P.data,D=O.length/c[C.input].data.length,N=O.length/D,k=N*4,A=new ArrayBuffer(k*D);for(let M=0;M<D;M++){const R=new Float32Array(A,k*M,N);for(let z=0;z<N;z++)R[z]=O[z*D+M];const F=new Cu(1,R),U=L?.[M]?`name.${L[M]}`:M;h[-u]=F;const B={paths:[{entityPath:I,component:"graph",propertyPath:[`weight.${U}`]}],input:C.input,output:-u,interpolation:C.interpolation};u++,d[`morphCurve-${f}-${M}`]=B}};for(f=0;f<l.channels.length;++f){const C=l.channels[f],b=C.target,I=d[C.sampler],P=i[b.node],L=a[b.node],O=_(P);b.path.startsWith("weights")?(g(I,L,O),d[C.sampler].morphCurve=!0):I.paths.push({entityPath:O,component:"graph",propertyPath:[m[b.path]]})}const v=[],x=[],y=[];for(const C in c)v.push(c[C]),c[C]=v.length-1;for(const C in h)x.push(h[C]),h[C]=x.length-1;for(const C in d){const b=d[C];b.morphCurve||(y.push(new EC(b.paths,c[b.input],h[b.output],b.interpolation)),b.paths.length>0&&b.paths[0].propertyPath[0]==="localRotation"&&b.interpolation!==l_&&p.push(y[y.length-1].output))}p.sort();let S=null,T;for(f=0;f<p.length;++f){const C=p[f];if(f===0||C!==S){if(T=x[C],T.components===4){const b=T.data,I=b.length-4;for(let P=0;P<I;P+=4)b[P+0]*b[P+4]+b[P+1]*b[P+5]+b[P+2]*b[P+6]+b[P+3]*b[P+7]<0&&(b[P+4]*=-1,b[P+5]*=-1,b[P+6]*=-1,b[P+7]*=-1)}S=C}}let w=0;for(f=0;f<v.length;f++)T=v[f]._data,w=Math.max(w,T.length===0?0:T[T.length-1]);return new Dr(l.hasOwnProperty("name")?l.name:`animation_${e}`,w,v,x,y)},Rl=new Z,Ll=new E,V0=new ae,U4=(l,e,t)=>{const s=new He;if(l.hasOwnProperty("name")&&l.name.length>0?s.name=l.name:s.name=`node_${e}`,l.hasOwnProperty("matrix")&&(Rl.data.set(l.matrix),Rl.getTranslation(Ll),s.setLocalPosition(Ll),V0.setFromMat4(Rl),s.setLocalRotation(V0),Rl.getScale(Ll),Ll.x*=Rl.scaleSign,s.setLocalScale(Ll)),l.hasOwnProperty("rotation")){const i=l.rotation;s.setLocalRotation(i[0],i[1],i[2],i[3])}if(l.hasOwnProperty("translation")){const i=l.translation;s.setLocalPosition(i[0],i[1],i[2])}if(l.hasOwnProperty("scale")){const i=l.scale;s.setLocalScale(i[0],i[1],i[2])}return l.hasOwnProperty("extensions")&&l.extensions.EXT_mesh_gpu_instancing&&t.set(l,{ext:l.extensions.EXT_mesh_gpu_instancing}),s},z4=(l,e)=>{const t=l.type==="orthographic",s=t?l.orthographic:l.perspective,i={enabled:!1,projection:t?Sn:mi,nearClip:s.znear,aspectRatioMode:hu};s.zfar&&(i.farClip=s.zfar),t?(i.orthoHeight=s.ymag,s.xmag&&s.ymag&&(i.aspectRatioMode=Zm,i.aspectRatio=s.xmag/s.ymag)):(i.fov=s.yfov*H.RAD_TO_DEG,s.aspectRatio&&(i.aspectRatioMode=Zm,i.aspectRatio=s.aspectRatio));const r=new lt(l.name);return r.addComponent("camera",i),r},V4=(l,e)=>{const t={enabled:!1,type:l.type==="point"?"omni":l.type,color:l.hasOwnProperty("color")?new Q(l.color):Q.WHITE,range:l.hasOwnProperty("range")?l.range:9999,falloffMode:vT,intensity:l.hasOwnProperty("intensity")?H.clamp(l.intensity,0,2):1};if(l.hasOwnProperty("spot")&&(t.innerConeAngle=l.spot.hasOwnProperty("innerConeAngle")?l.spot.innerConeAngle*H.RAD_TO_DEG:0,t.outerConeAngle=l.spot.hasOwnProperty("outerConeAngle")?l.spot.outerConeAngle*H.RAD_TO_DEG:45),l.hasOwnProperty("intensity")){const i=l.spot?.outerConeAngle??Math.PI/4,r=l.spot?.innerConeAngle??0;t.luminance=l.intensity*Sc.getLightUnitConversion(ZT[t.type],i,r)}const s=new lt(e.name);return s.rotateLocal(90,0,0),s.addComponent("light",t),s},G4=(l,e,t,s)=>{if(!e.hasOwnProperty("skins")||e.skins.length===0)return[];const i=new Map;return e.skins.map(r=>w4(l,r,e.accessors,s,t,i))},H4=(l,e,t,s)=>{const i={},r={},a={},n=[];return{meshes:!s.skipMeshes&&e?.meshes?.length&&e?.accessors?.length&&e?.bufferViews?.length?e.meshes.map(h=>E4(l,h,e.accessors,t,i,r,a,s,n)):[],meshVariants:r,meshDefaultMaterials:a,promises:n}},W4=(l,e,t)=>{if(!l.hasOwnProperty("materials")||l.materials.length===0)return[];const s=t?.material?.preprocess,i=t?.material?.process??PC,r=t?.material?.postprocess;return l.materials.map(a=>{s&&s(a);const n=i(a,e);return r&&r(a,n),n})},X4=l=>{if(!l.hasOwnProperty("extensions")||!l.extensions.hasOwnProperty("KHR_materials_variants"))return null;const e=l.extensions.KHR_materials_variants.variants,t={};for(let s=0;s<e.length;s++)t[e[s].name]=s;return t},Y4=(l,e,t,s)=>{if(!l.hasOwnProperty("animations")||l.animations.length===0)return[];const i=s?.animation?.preprocess,r=s?.animation?.postprocess;return l.animations.map((a,n)=>{i&&i(a);const o=k4(a,n,l.accessors,t,e,l.meshes,l.nodes);return r&&r(a,o),o})},j4=(l,e,t,s)=>{const i=e.accessors;t.forEach((r,a)=>{const n=r.ext.attributes;let o;if(n.hasOwnProperty("TRANSLATION")){const u=i[n.TRANSLATION];o=bo(u,s)}let c;if(n.hasOwnProperty("ROTATION")){const u=i[n.ROTATION];c=bo(u,s)}let h;

17030if(n.hasOwnProperty("SCALE")){const u=i[n.SCALE];h=bo(u,s)}const d=(o?o.length/3:0)||(c?c.length/4:0)||(h?h.length/3:0);if(d){const u=new Float32Array(d*16),f=new E,p=new ae,m=new E(1,1,1),_=new Z;let g=0;for(let v=0;v<d;v++){const x=v*3;if(o&&f.set(o[x],o[x+1],o[x+2]),c){const y=v*4;p.set(c[y],c[y+1],c[y+2],c[y+3])}h&&m.set(h[x],h[x+1],h[x+2]),_.setTRS(f,p,m);for(let y=0;y<16;y++)u[g++]=_.data[y]}r.matrices=u}})},q4=(l,e,t)=>{if(!l.hasOwnProperty("nodes")||l.nodes.length===0)return[];const s=e?.node?.preprocess,i=e?.node?.process??U4,r=e?.node?.postprocess,a=l.nodes.map((n,o)=>{s&&s(n);const c=i(n,o,t);return r&&r(n,c),c});for(let n=0;n<l.nodes.length;++n){const o=l.nodes[n];if(o.hasOwnProperty("children")){const c=a[n],h={};for(let d=0;d<o.children.length;++d){const u=a[o.children[d]];u.parent||(h.hasOwnProperty(u.name)?u.name+=h[u.name]++:h[u.name]=1,c.addChild(u))}}}return a},$4=(l,e)=>{const t=[],s=l.scenes.length;if(s===1&&l.scenes[0].nodes?.length===1){const i=l.scenes[0].nodes[0];t.push(e[i])}else for(let i=0;i<s;i++){const r=l.scenes[i];if(r.nodes){const a=new He(r.name);for(let n=0;n<r.nodes.length;n++){const o=e[r.nodes[n]];a.addChild(o)}t.push(a)}}return t},K4=(l,e,t)=>{let s=null;if(l.hasOwnProperty("nodes")&&l.hasOwnProperty("cameras")&&l.cameras.length>0){const i=t?.camera?.preprocess,r=t?.camera?.process??z4,a=t?.camera?.postprocess;l.nodes.forEach((n,o)=>{if(n.hasOwnProperty("camera")){const c=l.cameras[n.camera];if(c){i&&i(c);const h=r(c,e[o]);a&&a(c,h),h&&(s||(s=new Map),s.set(n,h))}}})}return s},Z4=(l,e,t)=>{let s=null;if(l.hasOwnProperty("nodes")&&l.hasOwnProperty("extensions")&&l.extensions.hasOwnProperty("KHR_lights_punctual")&&l.extensions.KHR_lights_punctual.hasOwnProperty("lights")){const i=l.extensions.KHR_lights_punctual.lights;if(i.length){const r=t?.light?.preprocess,a=t?.light?.process??V4,n=t?.light?.postprocess;l.nodes.forEach((o,c)=>{if(o.hasOwnProperty("extensions")&&o.extensions.hasOwnProperty("KHR_lights_punctual")&&o.extensions.KHR_lights_punctual.hasOwnProperty("light")){const h=o.extensions.KHR_lights_punctual.light,d=i[h];if(d){r&&r(d);const u=a(d,e[c]);n&&n(d,u),u&&(s||(s=new Map),s.set(o,u))}}})}}return s},Q4=(l,e,t)=>{l.nodes.forEach(s=>{s.hasOwnProperty("mesh")&&s.hasOwnProperty("skin")&&e[s.mesh].meshes.forEach(r=>{r.skin=t[s.skin]})})},J4=async(l,e,t,s,i)=>{const r=i?.global?.preprocess,a=i?.global?.postprocess;r&&r(e),e.asset&&e.asset.generator;const n=new Map,o=q4(e,i,n),c=$4(e,o),h=Z4(e,o,i),d=K4(e,o,i),u=X4(e),f=await Promise.all(t),{meshes:p,meshVariants:m,meshDefaultMaterials:_,promises:g}=H4(l,e,f,i),v=Y4(e,o,f,i);j4(l,e,n,f);const x=await Promise.all(s),y=x.map(b=>b.resource),S=W4(e,y,i),T=G4(l,e,o,f),w=[];for(let b=0;b<p.length;b++)w[b]=new CC,w[b].meshes=p[b];Q4(e,w,T);const C=new u4;return C.gltf=e,C.nodes=o,C.scenes=c,C.animations=v,C.textures=x,C.materials=S,C.variants=u,C.meshVariants=m,C.meshDefaultMaterials=_,C.renders=w,C.skins=T,C.lights=h,C.cameras=d,C.nodeInstancingMap=n,a&&a(e,C),await Promise.all(g),C},eH=(l,e)=>{const t=(i,r)=>{switch(i){case 9728:return Fe;case 9729:return It;case 9984:return Ac;case 9985:return Ic;case 9986:return Pc;case 9987:return ia;default:return r}},s=(i,r)=>{switch(i){case 33071:return ue;case 33648:return Iu;case 10497:return Ft;default:return r}};l&&(e=e??{},l.minFilter=t(e.minFilter,ia),l.magFilter=t(e.magFilter,It),l.addressU=s(e.wrapS,Ft),l.addressV=s(e.wrapT,Ft))};let tH=0;const lo=l=>l.extensions?.KHR_texture_basisu?.source??l.extensions?.EXT_texture_webp?.source??l.source,sH=(l,e,t,s,i)=>{if(!l.images||l.images.length===0)return[];const r=i?.image?.preprocess,a=i?.image?.processAsync,n=i?.image?.postprocess,o={"image/png":"png","image/jpeg":"jpg","image/basis":"basis","image/ktx":"ktx","image/ktx2":"ktx2","image/vnd-ms.dds":"dds"},c=u=>{const f=new Set;return u.hasOwnProperty("materials")&&u.materials.forEach(p=>{if(p.hasOwnProperty("pbrMetallicRoughness")){const m=p.pbrMetallicRoughness;if(m.hasOwnProperty("baseColorTexture")){const _=u.textures[m.baseColorTexture.index];f.add(lo(_))}}if(p.hasOwnProperty("emissiveTexture")){const m=u.textures[p.emissiveTexture.index];f.add(lo(m))}if(p.hasOwnProperty("extensions")){const m=p.extensions.KHR_materials_sheen;if(m&&m.hasOwnProperty("sheenColorTexture")){const v=u.textures[m.sheenColorTexture.index];f.add(lo(v))}const _=p.extensions.KHR_materials_pbrSpecularGlossiness;if(_&&_.hasOwnProperty("specularGlossinessTexture")){const v=u.textures[_.specularGlossinessTexture.index];f.add(lo(v))}const g=p.extensions.KHR_materials_specular;if(g&&g.hasOwnProperty("specularColorTexture")){const v=u.textures[g.specularColorTexture.index];f.add(lo(v))}}}),f},h=(u,f,p,m,_,g)=>

17030new Promise((v,x)=>{const y=S=>{const T=`${u.name||"gltf-texture"}-${tH++}`,w={url:f||T};if(S&&(w.contents=S.slice(0).buffer),m){const I=o[m];I&&(w.filename=`${w.url}.${I}`)}const C={srgb:g},b=new pe(T,"texture",w,C,_);b.on("load",I=>v(I)),b.on("error",I=>x(I)),s.add(b),s.load(b)};p?p.then(S=>y(S)):y(null)}),d=c(l);return l.images.map((u,f)=>{r&&r(u);let p;return a?p=new Promise((m,_)=>{a(u,(g,v)=>{g?_(g):m(v)})}):p=new Promise(m=>{m(null)}),p=p.then(m=>{const _=d.has(f);return m||(u.hasOwnProperty("uri")?bC(u.uri)?h(u,u.uri,null,f4(u.uri),null,_):h(u,Vo.test(u.uri)?u.uri:ve.join(t,u.uri),null,null,{crossOrigin:"anonymous"},_):u.hasOwnProperty("bufferView")&&u.hasOwnProperty("mimeType")?h(u,null,e[u.bufferView],u.mimeType,null,_):Promise.reject(new Error(`Invalid image found in gltf (neither uri or bufferView found). index=${f}`)))}),n&&(p=p.then(m=>(n(u,m),m))),p})},iH=(l,e,t)=>{if(!l?.images?.length||!l?.textures?.length)return[];const s=t?.texture?.preprocess,i=t?.texture?.processAsync,r=t?.texture?.postprocess,a=new Set;return l.textures.map(n=>{s&&s(n);let o;return i?o=new Promise((c,h)=>{i(n,l.images,(d,u)=>{d?h(d):c(u)})}):o=new Promise(c=>{c(null)}),o=o.then(c=>{c=c??lo(n);const h=a.has(c);return a.add(c),e[c].then(d=>{const u=h?y4(d):d;return eH(u.resource,(l.samplers??[])[n.sampler]),u})}),r&&(o=o.then(c=>(r(n,c),c))),o})},rH=(l,e,t,s)=>{if(!l.buffers||l.buffers.length===0)return[];const i=s?.buffer?.preprocess,r=s?.buffer?.processAsync,a=s?.buffer?.postprocess;return l.buffers.map((n,o)=>{i&&i(n);let c;return r?c=new Promise((h,d)=>{r(n,(u,f)=>{u?d(u):h(f)})}):c=new Promise(h=>{h(null)}),c=c.then(h=>{if(h)return h;if(n.hasOwnProperty("uri")){if(bC(n.uri)){const d=atob(n.uri.split(",")[1]),u=new Uint8Array(d.length);for(let f=0;f<d.length;f++)u[f]=d.charCodeAt(f);return u}return new Promise((d,u)=>{ht.get(Vo.test(n.uri)?n.uri:ve.join(t,n.uri),{cache:!0,responseType:"arraybuffer",retry:!1},(f,p)=>{f?u(f):d(new Uint8Array(p))})})}return e}),a&&(c=c.then(h=>(a(l.buffers[o],h),h))),c})},aH=(l,e)=>{const s=JSON.parse((i=>{if(typeof TextDecoder<"u")return new TextDecoder().decode(i);let r="";for(let a=0;a<i.length;a++)r+=String.fromCharCode(i[a]);return decodeURIComponent(escape(r))})(l));if(s.asset&&s.asset.version&&parseFloat(s.asset.version)<2){e(`Invalid gltf version. Expected version 2.0 or above but found version '${s.asset.version}'.`);return}e(null,s)},nH=(l,e)=>{const t=l instanceof ArrayBuffer?new DataView(l):new DataView(l.buffer,l.byteOffset,l.byteLength),s=t.getUint32(0,!0),i=t.getUint32(4,!0),r=t.getUint32(8,!0);if(s!==1179937895){e(`Invalid magic number found in glb header. Expected 0x46546C67, found 0x${s.toString(16)}`);return}if(i!==2){e(`Invalid version number found in glb header. Expected 2, found ${i}`);return}if(r<=0||r>t.byteLength){e(`Invalid length found in glb header. Found ${r}`);return}const a=[];let n=12;for(;n<r;){const o=t.getUint32(n,!0);n+o+8>t.byteLength&&e(`Invalid chunk length found in glb. Found ${o}`);const c=t.getUint32(n+4,!0),h=new Uint8Array(t.buffer,t.byteOffset+n+8,o);a.push({length:o,type:c,data:h}),n+=o+8}if(a.length!==1&&a.length!==2){e("Invalid number of chunks found in glb file.");return}if(a[0].type!==1313821514){e(`Invalid chunk type found in glb file. Expected 0x4E4F534A, found 0x${a[0].type.toString(16)}`);return}if(a.length>1&&a[1].type!==5130562){e(`Invalid chunk type found in glb file. Expected 0x004E4942, found 0x${a[1].type.toString(16)}`);return}e(null,{gltfChunk:a[0].data,binaryChunk:a.length===2?a[1].data:null})},oH=(l,e,t)=>{const s=()=>{const i=new Uint8Array(e);return i[0]===103&&i[1]===108&&i[2]===84&&i[3]===70};l&&l.toLowerCase().endsWith(".glb")||s()?nH(e,t):t(null,{gltfChunk:e,binaryChunk:null})},lH=(l,e,t)=>{const s=[],i=t?.bufferView?.preprocess,r=t?.bufferView?.processAsync,a=t?.bufferView?.postprocess;if(!l.bufferViews?.length)return s;for(let n=0;n<l.bufferViews.length;++n){const o=l.bufferViews[n];i&&i(o);let c;r?c=new Promise((h,d)=>{r(o,e,(u,f)=>{u?d(u):h(f)})}):c=new Promise(h=>{h(null)}),c=c.then(h=>h||e[o.buffer].then(d=>new Uint8Array(d.buffer,d.byteOffset+(o.byteOffset||0),o.byteLength))),o.hasOwnProperty("byteStride")&&(c=c.then(h=>(h.byteStride=o.byteStride,h))),a&&(c=c.then(h=>(a(o,h),h))),s.push(c)}return s};class bu{static parse(e,t,s,i,r,a,n){oH(e,s,(o,c)=>{if(o){n(o);return}aH(c.gltfChunk,(h,d)=>

17030{if(h){n(h);return}const u=rH(d,c.binaryChunk,t,a),f=lH(d,u,a),p=sH(d,f,t,r,a),m=iH(d,p,a);J4(i,d,f,m,a).then(_=>n(null,_)).catch(_=>n(_))})})}static createDefaultMaterial(){return PC({name:"defaultGlbMaterial"},[])}}class cH extends dt{constructor(e){super(e,"animation"),this.device=e.graphicsDevice,this.assets=e.assets}load(e,t,s){typeof e=="string"&&(e={load:e,original:e});const i={retry:this.maxRetries>0,maxRetries:this.maxRetries};(e.load.startsWith("blob:")||e.load.startsWith("data:"))&&(ve.getExtension(e.original).toLowerCase()===".glb"?i.responseType=De.ResponseType.ARRAY_BUFFER:i.responseType=De.ResponseType.JSON),ht.get(e.load,i,(r,a)=>{r?t(`Error loading animation resource: ${e.original} [${r}]`):ve.getExtension(e.original).toLowerCase()===".glb"?bu.parse("filename.glb","",a,this.device,this.assets,s?.options??{},(n,o)=>{if(n)t(n);else{const c=o.animations;if(s?.data?.events)for(let h=0;h<c.length;h++)c[h].events=new Lw(Object.values(s.data.events));o.destroy(),t(null,c)}}):t(null,this[`_parseAnimationV${a.animation.version}`](a))})}open(e,t,s){return t}_parseAnimationV3(e){const t=e.animation,s=new my;s.name=t.name,s.duration=t.duration;for(let i=0;i<t.nodes.length;i++){const r=new py,a=t.nodes[i];r._name=a.name;for(let n=0;n<a.keys.length;n++){const o=a.keys[n],c=o.time,h=o.pos,d=o.rot,u=o.scale,f=new E(h[0],h[1],h[2]),p=new ae().setFromEulerAngles(d[0],d[1],d[2]),m=new E(u[0],u[1],u[2]),_=new fy(c,f,p,m);r._keys.push(_)}s.addNode(r)}return s}_parseAnimationV4(e){const t=e.animation,s=new my;s.name=t.name,s.duration=t.duration;for(let i=0;i<t.nodes.length;i++){const r=new py,a=t.nodes[i];r._name=a.name;const n=a.defaults.p,o=a.defaults.r,c=a.defaults.s;for(let h=0;h<a.keys.length;h++){const d=a.keys[h],u=d.t,f=n||d.p,p=o||d.r,m=c||d.s,_=new E(f[0],f[1],f[2]),g=new ae().setFromEulerAngles(p[0],p[1],p[2]),v=new E(m[0],m[1],m[2]),x=new fy(u,_,g,v);r._keys.push(x)}s.addNode(r)}return s}}class hH extends dt{constructor(e){super(e,"animclip")}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s={retry:this.maxRetries>0,maxRetries:this.maxRetries};e.load.startsWith("blob:")&&(s.responseType=De.ResponseType.JSON),ht.get(e.load,s,(i,r)=>{i?t(`Error loading animation clip resource: ${e.original} [${i}]`):t(null,r)})}open(e,t){const s=t.name,i=t.duration,r=t.inputs.map(o=>new Cu(1,o)),a=t.outputs.map(o=>new Cu(o.components,o.data)),n=t.curves.map(o=>new EC([o.path],o.inputIndex,o.outputIndex,o.interpolation));return new Dr(s,i,r,a,n)}}class dH extends dt{constructor(e){super(e,"animstategraph")}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s={retry:this.maxRetries>0,maxRetries:this.maxRetries};e.load.startsWith("blob:")&&(s.responseType=De.ResponseType.JSON),ht.get(e.load,s,(i,r)=>{i?t(`Error loading animation state graph resource: ${e.original} [${i}]`):t(null,r)})}open(e,t){return new Md(t)}}const uH=[".ogg",".mp3",".wav",".mp4a",".m4a",".mp4",".aac",".opus"];class fH extends dt{constructor(e){super(e,"audio"),this.manager=e.soundManager}_isSupported(e){const t=ve.getExtension(e);return uH.indexOf(t)>-1}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s=function(r){t(null,new oI(r))},i=function(r){let a=`Error loading audio url: ${e.original}`;r&&(a+=`: ${r.message||r}`),console.warn(a),t(a)};if(this._createSound){if(!this._isSupported(e.original)){i(`Audio format for ${e.original} not supported`);return}this._createSound(e.load,s,i)}else i(null)}_createSound(e,t,s){const i=this.manager;if(!i.context){s("Audio manager has no audio context");return}const r={retry:this.maxRetries>0,maxRetries:this.maxRetries};(e.startsWith("blob:")||e.startsWith("data:"))&&(r.responseType=De.ResponseType.ARRAY_BUFFER),ht.get(e,r,(a,n)=>{if(a){s(a);return}i.context.decodeAudioData(n,t,s)})}}class pH extends dt{constructor(e){super(e,"binary")}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{responseType:De.ResponseType.ARRAY_BUFFER,retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(`Error loading binary resource: ${e.original} [${s}]`):t(null,i)})}openBinary(e){return e.buffer}}class Zr{constructor(e,t,s,i){const r=function(c,h,d){const u=Zr.createAsset(t.name,c,h,d);return s.add(u),u},a=[];for(let c=0;c<e.renders.length;

17030++c)a.push(r("render",e.renders[c],c));const n=[];for(let c=0;c<e.materials.length;++c)n.push(r("material",e.materials[c],c));const o=[];for(let c=0;c<e.animations.length;++c)o.push(r("animation",e.animations[c],c));this.data=e,this._model=null,this._assetName=t.name,this._assets=s,this._defaultMaterial=i,this.renders=a,this.materials=n,this.textures=e.textures,this.animations=o}get model(){if(!this._model){const e=Zr.createModel(this.data,this._defaultMaterial),t=Zr.createAsset(this._assetName,"model",e,0);this._assets.add(t),this._model=t}return this._model}static createAsset(e,t,s,i){const r=new pe(`${e}/${t}/${i}`,t,{url:""});return r.resource=s,r.loaded=!0,r}instantiateModelEntity(e){const t=new lt(void 0,this._assets._loader._app);return t.addComponent("model",Object.assign({type:"asset",asset:this.model},e)),t}instantiateRenderEntity(e){const t=this._defaultMaterial,s=[],i=function(n,o,c,h,d,u,f,p){const m=d[c.id],_=m===void 0?t:h[m],g=new Ne(c,_);c.morph&&(g.morphInstance=new dn(c.morph)),f.hasOwnProperty("skin")&&s.push({meshInstance:g,rootBone:n,entity:o});const v=p.get(f);if(v){const x=v.matrices,y=Us.getDefaultInstancingFormat(c.device),S=new Hi(c.device,y,x.length/16,{data:x});g.setInstancing(S),g.instancingData._destroyVertexBuffer=!0}return g},r=(n,o,c)=>{const h=new lt(void 0,this._assets._loader._app);o._cloneInternal(h),n||(n=h);let d=null,u=null;for(let p=0;p<c.nodes.length;p++)if(c.nodes[p]===o){const _=c.gltf.nodes[p];if(_.hasOwnProperty("mesh")){const g=c.renders[_.mesh].meshes;u=this.renders[_.mesh];for(let v=0;v<g.length;v++){const x=g[v];if(x){const y=i(n,h,x,c.materials,c.meshDefaultMaterials,c.skins,_,c.nodeInstancingMap);d||(d=[]),d.push(y)}}}if(c.lights){const g=c.lights.get(_);g&&h.addChild(g.clone())}if(c.cameras){const g=c.cameras.get(_);g&&g.camera.system.cloneComponent(g,h)}}d&&(h.addComponent("render",Object.assign({type:"asset",meshInstances:d},e)),h.render.assignAsset(u));const f=o.children;for(let p=0;p<f.length;p++){const m=r(n,f[p],c);h.addChild(m)}return h},a=[];for(const n of this.data.scenes)a.push(r(null,n,this.data));return s.forEach(n=>{n.meshInstance.skinInstance=fi.createCachedSkinInstance(n.meshInstance.mesh.skin,n.rootBone,n.entity),n.meshInstance.node.render.rootBone=n.rootBone}),Zr.createSceneHierarchy(a,lt)}getMaterialVariants(){return this.data.variants?Object.keys(this.data.variants):[]}applyMaterialVariant(e,t){const s=t?this.data.variants[t]:null;if(s===void 0)return;const i=e.findComponents("render");for(let r=0;r<i.length;r++){const a=i[r];this._applyMaterialVariant(s,a.meshInstances)}}applyMaterialVariantInstances(e,t){const s=t?this.data.variants[t]:null;s!==void 0&&this._applyMaterialVariant(s,e)}_applyMaterialVariant(e,t){t.forEach(s=>{if(e===null)s.material=this._defaultMaterial;else{const i=this.data.meshVariants[s.mesh.id];i&&(s.material=this.data.materials[i[e]])}})}static createSceneHierarchy(e,t){let s=null;if(e.length===1)s=e[0];else{s=new t("SceneGroup");for(const i of e)s.addChild(i)}return s}static createModel(e,t){const s=function(a,n,o,c,h,d,u){const f=e.meshDefaultMaterials[n.id],p=f===void 0?t:h[f],m=new Ne(n,p,d);if(n.morph){const _=new dn(n.morph);m.morphInstance=_,a.morphInstances.push(_)}if(u.hasOwnProperty("skin")){const _=u.skin,g=o[_];n.skin=g;const v=c[_];m.skinInstance=v,a.skinInstances.push(v)}a.meshInstances.push(m)},i=new pa,r=[];for(const a of e.skins){const n=new $c(a);n.bones=a.bones,r.push(n)}i.graph=Zr.createSceneHierarchy(e.scenes,He);for(let a=0;a<e.nodes.length;a++){const n=e.nodes[a];if(n.root===i.graph){const o=e.gltf.nodes[a];if(o.hasOwnProperty("mesh")){const c=e.renders[o.mesh].meshes;for(let h=0;h<c.length;h++){const d=c[h];d&&s(i,d,e.skins,r,e.materials,n,o)}}}}return i}destroy(){const e=this._assets,t=function(i){e.remove(i),i.unload()},s=function(i){i.forEach(r=>{t(r)})};this.animations&&(s(this.animations),this.animations=null),this.textures&&(s(this.textures),this.textures=null),this.materials&&(s(this.materials),this.materials=null),this.renders&&(s(this.renders),this.renders=null),this._model&&(t(this._model),this._model=null),this.data=null,this.assets=null}}class mH{constructor(e,t,s){this._device=e,this._assets=t,this._defaultMaterial=bu.createDefaultMaterial(),this.maxRetries=s}_getUrlWithoutParams(e){return e.indexOf("?")>=0?e.split("?")[0]:e}load(e,t,s){pe.fetchArrayBuffer(e.load,(i,r)=>{i?t(i):bu.parse(this._getUrlWithoutParams(e.original),ve.extractPath(e.load),r,this._device,s.registry,s.options,

17030(a,n)=>{a?t(a):t(null,new Zr(n,s,this._assets,this._defaultMaterial))})},s,this.maxRetries)}open(e,t,s){return t}patch(e,t){}}class _H extends dt{constructor(e){super(e,"container"),this.glbContainerParser=new mH(e.graphicsDevice,e.assets,0),this.parsers={}}set maxRetries(e){this.glbContainerParser.maxRetries=e;for(const t in this.parsers)this.parsers.hasOwnProperty(t)&&(this.parsers[t].maxRetries=e)}get maxRetries(){return this.glbContainerParser.maxRetries}_getUrlWithoutParams(e){return e.indexOf("?")>=0?e.split("?")[0]:e}_getParser(e){const t=e?ve.getExtension(this._getUrlWithoutParams(e)).toLowerCase().replace(".",""):null;return this.parsers[t]||this.glbContainerParser}load(e,t,s){typeof e=="string"&&(e={load:e,original:e}),this._getParser(e.original).load(e,t,s)}open(e,t,s){return this._getParser(e).open(e,t,s)}}class gH extends dt{decoder=null;constructor(e){super(e,"css")}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(`Error loading css resource: ${e.original} [${s}]`):t(null,i)})}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),this.decoder.decode(e)}}class vH extends dt{constructor(e){super(e,"cubemap"),this._device=e.graphicsDevice,this._registry=e.assets,this._loader=e.loader}load(e,t,s){this.loadAssets(s,t)}open(e,t,s){return s?s.resource:null}patch(e,t){this.loadAssets(e,(s,i)=>{s&&(t.fire("error",e),t.fire(`error:${e.id}`,s,e),e.fire("error",e))})}getAssetIds(e){const t=[];if(t[0]=e.file,(e.loadFaces||!e.file)&&e.data&&e.data.textures)for(let s=0;s<6;++s)t[s+1]=e.data.textures[s];else t[1]=t[2]=t[3]=t[4]=t[5]=t[6]=null;return t}compareAssetIds(e,t){return e&&t?parseInt(e,10)===e||typeof e=="string"?e===t:e.url===t.url:e!==null==(t!==null)}update(e,t,s){const i=e.data||{},r=e._handlerState.assets,a=e._resources;let n,o,c;const h=[null,null,null,null,null,null,null],d=function(){return i.hasOwnProperty("type")?i.type:i.hasOwnProperty("rgbm")?i.rgbm?wr:Qs:null};if(!e.loaded||s[0]!==r[0]){if(s[0])if(n=s[0].resource,n.cubemap)for(c=0;c<6;++c)h[c+1]=new ce(this._device,{name:`${e.name}_prelitCubemap${n.width>>c}`,cubemap:!0,type:d()||n.type,width:n.width>>c,height:n.height>>c,format:n.format,levels:[n._levels[c]],addressU:ue,addressV:ue,mipmaps:c===0});else h[1]=n}else h[1]=a[1]||null,h[2]=a[2]||null,h[3]=a[3]||null,h[4]=a[4]||null,h[5]=a[5]||null,h[6]=a[6]||null;const u=s.slice(1);if(!e.loaded||!this.cmpArrays(u,r.slice(1))){if(u.indexOf(null)===-1){const f=u.map(g=>g.resource),p=[];for(o=0;o<f[0]._levels.length;++o)p.push(f.map(g=>g._levels[o]));const m=f[0].format,_=new ce(this._device,{name:`${e.name}_faces`,cubemap:!0,type:d()||f[0].type,width:f[0].width,height:f[0].height,format:m===Er?Re:m,mipmaps:i.mipmaps??!0,levels:p,minFilter:i.hasOwnProperty("minFilter")?i.minFilter:f[0].minFilter,magFilter:i.hasOwnProperty("magFilter")?i.magFilter:f[0].magFilter,anisotropy:i.hasOwnProperty("anisotropy")?i.anisotropy:1,addressU:ue,addressV:ue});h[0]=_}}else h[0]=a[0]||null;if(!this.cmpArrays(h,a))for(e.resources=h,e._handlerState.assetIds=t,e._handlerState.assets=s,c=0;c<a.length;++c)a[c]!==null&&h.indexOf(a[c])===-1&&a[c].destroy();for(c=0;c<r.length;++c)r[c]!==null&&s.indexOf(r[c])===-1&&r[c].unload()}cmpArrays(e,t){if(e.length!==t.length)return!1;for(let s=0;s<e.length;++s)if(e[s]!==t[s])return!1;return!0}resolveId(e){const t=parseInt(e,10);return t===e||t.toString()===e?t:e}loadAssets(e,t){e.hasOwnProperty("_handlerState")||(e._handlerState={assetIds:[null,null,null,null,null,null,null],assets:[null,null,null,null,null,null,null]});const s=this,i=s.getAssetIds(e),r=[null,null,null,null,null,null,null],a=e._handlerState.assetIds,n=e._handlerState.assets,o=s._registry;let c=7;const h=function(p,m){r[p]=m,c--,c===0&&(s.update(e,i,r),t(null,e.resources))},d=function(p,m,_){t(m)},u=function(p,m){m.loaded?h(p,m):(o.once(`load:${m.id}`,h.bind(s,p)),o.once(`error:${m.id}`,d.bind(s,p)),m.loading||o.load(m))};let f;for(let p=0;p<7;++p){const m=this.resolveId(i[p]);if(!m)h(p,null);else if(s.compareAssetIds(m,a[p]))u(p,n[p]);else if(parseInt(m,10)===m)f=o.get(m),f?u(p,f):setTimeout(((_,g)=>{const v=o.get(g);v?u(_,v):d(_,`failed to find dependent cubemap asset=${g}`)}).bind(null,p,m));else{const _=typeof m=="string"?{url:m,filename:m}:m,g=_.url.search(".dds")===-1?{type:"rgbp",addressu:"clamp",addressv:"clamp",mipmaps:!1}:null;f=new pe(`${e.name}_part_${p}`,"texture",_,g),o.add(f),u(p,f)}}}}class SH extends dt{constructor(e){super(e,"folder")}load(e,t){t(null,null)}}class G0{constructor(e,t){this.type=t&&t.type||Su,this.em=1,this.textures=e,this.intensity=0,this._data=null,this.data=t}set data(e){if(this._data=e,!!e&&(this._data.intensity!==void 0&&(this.intensity=this._data.intensity),this._data.info||(this._data.info={}),(!this._data.version||this._data.version<2)&&(this._data.info.maps=[{width:this._data.info.width,height:this._data.info.height}],this._data.chars)))for(const t in this._data.chars)this._data.chars[t].map=0}get data(){return this._data}}function Sm(l){return l.version<3&&(l.version<2&&(l.info.maps=l.info.maps||[{width:l.info.width,height:l.info.height}]),l.chars=Object.keys(l.chars||{}).reduce((e,t)=>

17030{const s=l.chars[t],i=s.letter!==void 0?s.letter:vd.fromCodePoint(t);return l.version<2&&(s.map=s.map||0),e[i]=s,e},{}),l.version=3),l}class yH extends dt{constructor(e){super(e,"font"),this._loader=e.loader,this.maxRetries=0}load(e,t,s){typeof e=="string"&&(e={load:e,original:e});const i=this;ve.getExtension(e.original)===".json"?ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(r,a)=>{if(r)t(`Error loading font resource: ${e.original} [${r}]`);else{const n=Sm(a);i._loadTextures(e.load.replace(".json",".png"),n,(o,c)=>{o?t(o):t(null,{data:n,textures:c})})}}):(s&&s.data&&(s.data=Sm(s.data)),this._loadTextures(e.load,s&&s.data,t))}_loadTextures(e,t,s){const i=t.info.maps.length;let r=0,a=null;const n=new Array(i),o=this._loader,c=function(h){const d=function(u,f){if(!a){if(u){a=u,s(u);return}f.upload(),n[h]=f,r++,r===i&&s(null,n)}};h===0?o.load(e,"texture",d):o.load(e.replace(".png",`${h}.png`),"texture",d)};for(let h=0;h<i;h++)c(h)}open(e,t,s){let i;return t.textures?i=new G0(t.textures,t.data):i=new G0(t,

17030null),i}patch(e,t){const s=e.resource;!s.data&&e.data?s.data=e.data:!e.data&&s.data&&(e.data=s.data),e.data&&(e.data=Sm(e.data))}}const ym=.28209479177387814;class xH{constructor(e,t,s,i,r,a){const n=(y,S)=>{const T=(1<<S)-1;return(y&T)/T},o=(y,S)=>{y.x=n(S>>>21,11),y.y=n(S>>>11,10),y.z=n(S,11)},c=(y,S)=>{y.x=n(S>>>24,8),y.y=n(S>>>16,8),y.z=n(S>>>8,8),y.w=n(S,8)},h=(y,S)=>{const T=Math.SQRT2,w=(n(S>>>20,10)-.5)*T,C=(n(S>>>10,10)-.5)*T,b=(n(S,10)-.5)*T,I=Math.sqrt(1-(w*w+C*C+b*b));switch(S>>>30){case 0:y.set(w,C,b,I);break;case 1:y.set(I,C,b,w);break;case 2:y.set(C,I,b,w);break;case 3:y.set(C,b,I,w);break}},d=(y,S,T)=>y*(1-T)+S*T,{chunkData:u,chunkSize:f,vertexData:p,shData0:m,shData1:_,shData2:g,shBands:v}=e,x=[3,8,15][v-1];this.read=y=>{const S=Math.floor(y/256)*f;if(t&&(o(t,p[y*4+0]),t.x=d(u[S+0],u[S+3],t.x),t.y=d(u[S+1],u[S+4],t.y),t.z=d(u[S+2],u[S+5],t.z)),s&&h(s,p[y*4+1]),i&&(o(i,p[y*4+2]),i.x=d(u[S+6],u[S+9],i.x),i.y=d(u[S+7],u[S+10],i.y),i.z=d(u[S+8],u[S+11],i.z)),r&&(c(r,p[y*4+3]),f>12&&(r.x=d(u[S+12],u[S+15],r.x),r.y=d(u[S+13],u[S+16],r.y),r.z=d(u[S+14],u[S+17],r.z))),a&&v>0){const T=[m,_,g];for(let w=0;w<3;++w)for(let C=0;C<15;++C)a[w*15+C]=C<x?T[w][y*16+C]*(8/255)-4:0}}}}class TH{numSplats;comments;chunkData;vertexData;shData0;shData1;shData2;shBands;createIter(e,t,s,i,r){return new xH(this,e,t,s,i,r)}calcAabb(e){const{chunkData:t,numChunks:s,chunkSize:i}=this;let r=Math.exp(Math.max(t[9],t[10],t[11])),a=t[0]-r,n=t[1]-r,o=t[2]-r,c=t[3]+r,h=t[4]+r,d=t[5]+r;for(let u=1;u<s;++u){const f=u*i;r=Math.exp(Math.max(t[f+9],t[f+10],t[f+11])),a=Math.min(a,t[f+0]-r),n=Math.min(n,t[f+1]-r),o=Math.min(o,t[f+2]-r),c=Math.max(c,t[f+3]+r),h=Math.max(h,t[f+4]+r),d=Math.max(d,t[f+5]+r)}return e.center.set((a+c)*.5,(n+h)*.5,(o+d)*.5),e.halfExtents.set((c-a)*.5,(h-n)*.5,(d-o)*.5),!0}getCenters(){const{vertexData:e,chunkData:t,numChunks:s,chunkSize:i}=this,r=new Float32Array(this.numSplats*3);let a,n,o,c,h,d;for(let u=0;u<s;++u){const f=u*i;a=t[f+0],n=t[f+1],o=t[f+2],c=t[f+3],h=t[f+4],d=t[f+5];const p=Math.min(this.numSplats,(u+1)*256);for(let m=u*256;m<p;++m){const _=e[m*4],g=(_>>>21)/2047,v=(_>>>11&1023)/1023,x=(_&2047)/2047;r[m*3+0]=(1-g)*a+g*c,r[m*3+1]=(1-v)*n+v*h,r[m*3+2]=(1-x)*o+x*d}}return r}getChunks(e){const{chunkData:t,numChunks:s,chunkSize:i}=this;let r,a,n,o,c,h;for(let d=0;d<s;++d){const u=d*i;r=t[u+0],a=t[u+1],n=t[u+2],o=t[u+3],c=t[u+4],h=t[u+5],e[d*6+0]=r,e[d*6+1]=a,e[d*6+2]=n,e[d*6+3]=o,e[d*6+4]=c,e[d*6+5]=h}}calcFocalPoint(e){const{chunkData:t,numChunks:s,chunkSize:i}=this;e.x=0,e.y=0,e.z=0;for(let r=0;r<s;++r){const a=r*i;e.x+=t[a+0]+t[a+3],e.y+=t[a+1]+t[a+4],e.z+=t[a+2]+t[a+5]}e.mulScalar(.5/s)}get isCompressed(){return!0}get numChunks(){return Math.ceil(this.numSplats/256)}get chunkSize(){return this.chunkData.length/this.numChunks}decompress(){const e=["x","y","z","f_dc_0","f_dc_1","f_dc_2","opacity","scale_0","scale_1","scale_2","rot_0","rot_1","rot_2","rot_3"],{shBands:t}=this;if(t>0){const h=[];for(let u=0;u<45;++u)h.push(`f_rest_${u}`);const d=Math.max(...["f_dc_0","f_dc_1","f_dc_2"].map(u=>e.indexOf(u)));e.splice(d+1,0,...h)}const s={};e.forEach(h=>{s[h]=new Float32Array(this.numSplats)});const i=new E,r=new ae,a=new E,n=new ie,o=t>0?new Float32Array(45):null,c=this.createIter(i,r,a,n,o);for(let h=0;h<this.numSplats;++h)if(c.read(h),s.x[h]=i.x,s.y[h]=i.y,s.z[h]=i.z,s.rot_1[h]=r.x,s.rot_2[h]=r.y,s.rot_3[h]=r.z,s.rot_0[h]=r.w,s.scale_0[h]=a.x,s.scale_1[h]=a.y,s.scale_2[h]=a.z,s.f_dc_0[h]=(n.x-.5)/ym,s.f_dc_1[h]=(n.y-.5)/ym,s.f_dc_2[h]=(n.z-.5)/ym,s.opacity[h]=n.w<=0?-40:n.w>=1?40:-Math.log(1/n.w-1),o)for(let d=0;d<45;++d)s[`f_rest_${d}`][h]=o[d];return new ha([{name:"vertex",count:this.numSplats,properties:e.map(h=>({name:h,type:"float",byteSize:4,storage:s[h]}))}],this.comments)}}const wH=(l,e,t,s,i)=>{for(let r=0;r<i;++r)for(let a=0;a<s;++a)l[r*e+a]=t[r*s+a]};class CH extends Rt{constructor(e,t,s={}){super(e,t,s);const{chunkData:i,chunkSize:r,numChunks:a,numSplats:n,vertexData:o,shBands:c}=t;this.chunks=new Float32Array(a*6),t.getChunks(this.chunks);const h=[{name:"packedTexture",format:Wt}];c>0&&(h.push({name:"shTexture0",format:Wt}),h.push({name:"shTexture1",format:Wt}),h.push({name:"shTexture2",format:Wt})),this._format=new ca(e,h,{readGLSL:'#include "gsplatCompressedVS"',readWGSL:'#include "gsplatCompressedVS"'}),this.streams.init(this.format,n);const d=this.streams.getTexture("packedTexture");

17030if(d.lock().set(o),d.unlock(),c>0){const _=this.streams.getTexture("shTexture0"),g=this.streams.getTexture("shTexture1"),v=this.streams.getTexture("shTexture2");_.lock().set(new Uint32Array(t.shData0.buffer)),_.unlock(),g.lock().set(new Uint32Array(t.shData1.buffer)),g.unlock(),v.lock().set(new Uint32Array(t.shData2.buffer)),v.unlock()}const f=this.evalChunkTextureSize(a),p=this.streams.createTexture("chunkTexture",mt,f);this.streams.textures.set("chunkTexture",p);const m=p.lock();if(wH(m,20,i,r,a),r===12)for(let _=0;_<a;++_)m[_*20+15]=1,m[_*20+16]=1,m[_*20+17]=1;p.unlock()}destroy(){super.destroy()}configureMaterialDefines(e){e.set("SH_BANDS",this.streams.textures.has("shTexture0")?3:0)}evalChunkTextureSize(e){const t=Math.ceil(Math.sqrt(e)),s=Math.ceil(e/t);return new j(t*5,s)}}const H0=new Uint8Array([112,108,121,10]),W0=new Uint8Array([10,101,110,100,95,104,101,97,100,101,114,10]),O_=new Map([["char",Int8Array],["uchar",Uint8Array],["short",Int16Array],["ushort",Uint16Array],["int",Int32Array],["uint",Uint32Array],["float",Float32Array],["double",Float64Array]]);class EH{reader;progressFunc;data;view;head=0;tail=0;constructor(e,t){this.reader=e,this.progressFunc=t}async read(){const{value:e,done:t}=await this.reader.read();if(t)throw new Error("Stream finished before end of header");this.push(e),this.progressFunc?.(e.byteLength)}push(e){if(!this.data)this.data=e,this.view=new DataView(this.data.buffer),this.tail=e.length;else{const t=this.tail-this.head,s=t+e.length;if(this.data.length>=s)this.head>0?(this.data.copyWithin(0,this.head,this.tail),this.data.set(e,t),this.head=0,this.tail=s):(this.data.set(e,this.tail),this.tail+=e.length);else{const i=new Uint8Array(s);this.head>0||this.tail<this.data.length?i.set(this.data.subarray(this.head,this.tail),0):i.set(this.data,0),i.set(e,t),this.data=i,this.view=new DataView(this.data.buffer),this.head=0,this.tail=s}}}compact(){this.head>0&&(this.data.copyWithin(0,this.head,this.tail),this.tail-=this.head,this.head=0)}get remaining(){return this.tail-this.head}getInt8(){const e=this.view.getInt8(this.head);return this.head++,e}getUint8(){const e=this.view.getUint8(this.head);return this.head++,e}getInt16(){const e=this.view.getInt16(this.head,!0);return this.head+=2,e}getUint16(){const e=this.view.getUint16(this.head,!0);return this.head+=2,e}getInt32(){const e=this.view.getInt32(this.head,!0);return this.head+=4,e}getUint32(){const e=this.view.getUint32(this.head,!0);return this.head+=4,e}getFloat32(){const e=this.view.getFloat32(this.head,!0);return this.head+=4,e}getFloat64(){const e=this.view.getFloat64(this.head,!0);return this.head+=8,e}}const bH=l=>{const e=[],t=[];let s;for(let i=1;i<l.length;++i){const r=l[i].split(" ");switch(r[0]){case"comment":t.push(r.slice(1).join(" "));break;case"format":s=r[1];break;case"element":e.push({name:r[1],count:parseInt(r[2],10),properties:[]});break;case"property":{if(!O_.has(r[1]))throw new Error(`Unrecognized property data type '${r[1]}' in ply header`);e[e.length-1].properties.push({type:r[1],name:r[2],storage:null,byteSize:O_.get(r[1]).BYTES_PER_ELEMENT});break}default:throw new Error(`Unrecognized header value '${r[0]}' in ply header`)}}return{elements:e,format:s,comments:t}},AH=l=>{const e=["min_x","min_y","min_z","max_x","max_y","max_z","min_scale_x","min_scale_y","min_scale_z","max_scale_x","max_scale_y","max_scale_z","min_r","min_g","min_b","max_r","max_g","max_b"],t=["packed_position","packed_rotation","packed_scale","packed_color"],s=new Array(45).fill("").map((a,n)=>`f_rest_${n}`),i=()=>l[0].name==="chunk"&&l[0].properties.every((a,n)=>a.name===e[n]&&a.type==="float")&&l[1].name==="vertex"&&l[1].properties.every((a,n)=>a.name===t[n]&&a.type==="uint"),r=()=>l[2].name==="sh"&&[9,24,45].indexOf(l[2].properties.length)!==-1&&l[2].properties.every((a,n)=>a.name===s[n]&&a.type==="uchar");return l.length===2&&i()||l.length===3&&i()&&r()},PH=l=>l.length===1&&l[0].name==="vertex"&&l[0].properties.every(e=>e.type==="float"),IH=async(l,e,t)=>{const s=new TH;s.comments=t;const i=e[0].count,r=e[0].properties.length,a=e[1].count,o=(h=>{const d=Math.ceil(Math.sqrt(h)),u=Math.ceil(h/d);return d*u})(a);s.numSplats=a,s.chunkData=new Float32Array(i*r),s.vertexData=new Uint32Array(o*4);const c=async(h,d)=>{const u=new Uint8Array(h);let f=0;for(;f<d;){for(;l.remaining===0;)await l.read();const p=Math.min(d-f,l.remaining),m=l.data;for(let _=0;_<p;++_)u[f++]=m[l.head++]}};if(await c(s.chunkData.buffer,i*r*4),await c(s.vertexData.buffer,a*4*4),e.length===3){const h=o*16,d=new Uint8Array(h),u=new Uint8Array(h),f=new Uint8Array(h),p=1024,m=e[2].properties.length/3,_=new Uint8Array(p*m*3);for(let g=0;g<s.numSplats;g+=p){const v=Math.min(p,s.numSplats-g);await c(_.buffer,v*m*3);for(let x=0;x<v;++x)for(let y=0;y<15;++y){const S=(g+x)*16+y;y<m?(d[S]=_[(x*3+0)*m+y],u[S]=_[(x*3+1)*m+y],f[S]=_[(x*3+2)*m+y]):(d[S]=127,u[S]=127,f[S]=127)}}s.shData0=d,s.shData1=u,s.shData2=f,s.shBands={3:1,8:2,15:3}[m]}else s.shBands=0;return s},DH=async(l,e,t)=>{const s=e[0],i=s.properties,r=i.length,a=i.map(d=>d.storage),n=i.reduce((d,u)=>d+u.byteSize,0);let o=0,c;const h=()=>{const d=l.data.buffer;c?.buffer!==d&&(c=new Float32Array(d,0,d.byteLength/4))};for(h();o<s.count;){for(;l.remaining<n;)await l.read(),h();const d=Math.min(s.count-o,Math.floor(l.remaining/n));for(let u=0;u<r;++u){const f=a[u];for(let p=0;p<d;++p)f[p+o]=c[p*r+u]}o+=d,l.head+=d*n}return new ha(e,t)},MH=async(l,e,t)=>{for(let s=0;s<e.length;++s){const i=e[s],r=i.properties.reduce((o,c)=>o+c.byteSize,0),a=i.properties.map(o=>{if(o.storage)switch(o.type){case"char":return(c,h)=>{o.storage[h]=c.getInt8()};case"uchar":return(c,h)=>{o.storage[h]=c.getUint8()};case"short":return(c,h)=>{o.storage[h]=c.getInt16()};case"ushort":return(c,h)=>{o.storage[h]=c.getUint16()};case"int":return(c,h)=>{o.storage[h]=c.getInt32()};case"uint":return(c,h)=>{o.storage[h]=c.getUint32()};case"float":return(c,h)=>{o.storage[h]=c.getFloat32()};case"double":return(c,h)=>{o.storage[h]=c.getFloat64()};default:throw new Error(`Unsupported property data type '${o.type}' in ply header`)}else return c=>{c.head+=o.byteSize}});let n=0;for(;n<i.count;){for(;l.remaining<r;)await l.read();const o=Math.min(i.count-n,Math.floor(l.remaining/r));for(let c=0;c<o;++c){for(let h=0;h<i.properties.length;++h)a[h](l,n);n++}}}return new ha(e,t)},RH=async(l,e=null,t=null)=>{const s=(u,f)=>{const p=u.length-f.length;let m,_;for(m=0;m<=p;++m){for(_=0;_<f.length&&u[m+_]===f[_];++_);if(_===f.length)return m}return-1},i=(u,f)=>{if(u.length<f.length)return!1;for(let p=0;p<f.length;++p)if(u[p]!==f[p])return!1;return!0},r=new EH(l,t);let a;for(;;){if(await r.read(),r.tail>=H0.length&&!i(r.data,H0))throw new Error("Invalid ply header");if(a=s(r.data,W0),a!==-1)break}const n=new TextDecoder("ascii").decode(r.data.subarray(0,a)).split(`
17031`),{elements:o,format:c,comments:h}=bH(n);if(c!=="binary_little_endian")throw new Error("Unsupported ply format");return r.head=a+W0.length,r.compact(),await(async()=>

17031AH(o)?await IH(r,o,h):(o.forEach(u=>{u.properties.forEach(f=>{const p=O_.get(f.type);if(p){const m=!e||e(f.name)?new p(u.count):null;f.storage=m}})}),PH(o)?await DH(r,o,h):await MH(r,o,h)))()},LH=l=>!0;class FH{app;maxRetries;constructor(e,t){this.app=e,this.maxRetries=t}async load(e,t,s){const i=this.app.scene?.gsplatCentersEnabled!==!1;try{const r=await(s.file?.contents??fetch(e.load));if(!r||!r.body)t("Error loading resource",null);else{const a=parseInt(r.headers.get("content-length")??"0",10);let n=0;const o=await RH(r.body.getReader(),s.data.elementFilter??LH,d=>{n+=d,s&&s.fire("progress",n,a)});s.fire("load:data",o),o.isCompressed||(s.data.reorder??!0)&&o.reorderData();const c=i,h=o.isCompressed&&!s.data.decompress?new CH(this.app.graphicsDevice,o,{prepareCenters:c}):new Ff(this.app.graphicsDevice,o.isCompressed?o.decompress():o,{prepareCenters:c});t(null,h)}}catch(r){t(r,null)}}open(e,t){return t}}const OH=(l,e)=>{const t=new Map,s=e.length,i=()=>{let r=0,a=0;t.forEach(o=>{r+=o.loaded,a+=o.total});const n=t.size;n>0&&n<s&&(a=Math.ceil(a*s/n)),l.fire("progress",r,a)};e.forEach(r=>{const a=(o,c)=>{t.set(r,{loaded:o,total:c}),i()},n=()=>{r.off("progress",a),r.off("load",n),r.off("error",n)};r.on("progress",a),r.on("load",n),r.on("error",n)})},BH=l=>{const e={version:1,count:l.means.shape[0],means:{mins:l.means.mins,maxs:l.means.maxs,files:l.means.files},scales:{mins:l.scales.mins,maxs:l.scales.maxs,files:l.scales.files},quats:{files:l.quats.files},sh0:{mins:l.sh0.mins,maxs:l.sh0.maxs,files:l.sh0.files}};return l.shN&&(e.shN={mins:l.shN.mins,maxs:l.shN.maxs,files:l.shN.files}),e};class NH{app;maxRetries;constructor(e,t){this.app=e,this.maxRetries=t}_shouldAbort(e,t){return!!(t||!this.app.assets.get(e.id)||!this.app?.graphicsDevice||this.app.graphicsDevice._destroyed)}async loadTextures(e,t,s,i){const r=this.app.scene?.gsplatCentersEnabled!==!1;i.version!==2&&(i=BH(i));const{assets:a}=this.app,n=["means","quats","scales","sh0","shN"],o={},c=[],h=window.document?.baseURI??window.location.href;n.forEach(g=>{const v=i[g]?.files??[];o[g]=v.map(x=>{const y=new pe(x,"texture",{url:s.options?.mapUrl?.(x)??new URL(x,new URL(e.load,h).toString()).toString(),filename:x},{mipmaps:!1},{crossOrigin:"anonymous"}),S=new Promise((T,w)=>{y.on("load",()=>T(null)),y.on("error",C=>w(C))});return a.add(y),c.push(S),y})});const d=n.map(g=>o[g]).flat();let u=!1;if(s.once("unload",()=>{u=!0,d.forEach(g=>{a.remove(g),g.unload()})}),OH(s,d),d.forEach(g=>a.load(g)),await Promise.allSettled(c),this._shouldAbort(s,u)){d.forEach(g=>{a.remove(g),g.unload()}),t(null,null);return}const f=new Tc;f.url=e.original,f.meta=i,f.numSplats=i.count,f.means_l=o.means[0].resource,f.means_u=o.means[1].resource,f.quats=o.quats[0].resource,f.scales=o.scales[0].resource,f.sh0=o.sh0[0].resource,f.sh_centroids=o.shN?.[0]?.resource,f.sh_labels=o.shN?.[1]?.resource,f.shBands=Tc.calcBands(f.sh_centroids?.width);const p=s.data?.decompress;if(!p){if(this._shouldAbort(s,u)){f.destroy(),t(null,null);return}f.prepareCodebook(),r&&await f.prepareGpuData()}if(this._shouldAbort(s,u)){f.destroy(),t(null,null);return}const m=r,_=p?new Ff(this.app.graphicsDevice,await f.decompress(),{prepareCenters:m}):new Tw(this.app.graphicsDevice,f,{prepareCenters:m});if(this._shouldAbort(s,u)){_.destroy(),t(null,null);return}t(null,_)}load(e,t,s){if(s.data?.means)this.loadTextures(e,t,s,s.data);else{typeof e=="string"&&(e={load:e,original:e});const i={retry:this.maxRetries>0,maxRetries:this.maxRetries,responseType:De.ResponseType.JSON};ht.get(e.load,i,(r,a)=>{if(this._shouldAbort(s,!1)){t(null,null);return}r?t(`Error loading gsplat meta: ${e.original} [${r}]`):this.loadTextures(e,t,s,a)})}}}const kH=l=>{const e=new DataView(l),t=h=>e.getUint16(h,!0),s=h=>e.getUint32(h,!0),i=h=>({magic:s(h),numFiles:t(h+8),cdSizeBytes:s(h+12),cdOffsetBytes:s(h+16)}),r=h=>{const d=t(h+28),u=t(h+30),f=t(h+32);return{magic:s(h),compressionMethod:t(h+10),compressedSizeBytes:s(h+20),uncompressedSizeBytes:s(h+24),lfhOffsetBytes:s(h+42),filename:new TextDecoder().decode(new Uint8Array(l,h+46,d)),recordSizeBytes:46+d+u+f}},a=h=>{const d=t(h+26),u=t(h+28);return{magic:s(h),offsetBytes:h+30+d+u}},n=i(e.byteLength-22);

17031if(n.magic!==101010256)throw new Error("Invalid zip file: EOCDR not found");if(n.cdOffsetBytes===4294967295||n.cdSizeBytes===4294967295)throw new Error("Invalid zip file: Zip64 not supported");const o=[];let c=n.cdOffsetBytes;for(let h=0;h<n.numFiles;h++){const d=r(c);if(d.magic!==33639248)throw new Error("Invalid zip file: CDR not found");const u=a(d.lfhOffsetBytes);if(u.magic!==67324752)throw new Error("Invalid zip file: LFH not found");o.push({filename:d.filename,compression:{0:"none",8:"deflate"}[d.compressionMethod]??"unknown",data:new Uint8Array(l,u.offsetBytes,d.compressedSizeBytes)}),c+=d.recordSizeBytes}return o},UH=async l=>{const e=new DecompressionStream("deflate-raw"),t=new Blob([l]).stream().pipeThrough(e),s=await new Response(t).arrayBuffer();return new Uint8Array(s)},zH=async(l,e)=>{const t=await(e.file?.contents??fetch(l.load));if(!t)throw new Error("Error loading resource");if(t instanceof Response){if(!t.ok)throw new Error(`Error loading resource: ${t.status} ${t.statusText}`);const s=parseInt(t.headers.get("content-length")??"0",10);if(!t.body||!t.body.getReader){const n=await t.arrayBuffer();return e.fire("progress",n.byteLength,s),n}const i=t.body.getReader(),r=[];let a=0;try{for(;;){const{done:n,value:o}=await i.read();if(n)break;r.push(o),a+=o.byteLength,e.fire("progress",a,s)}}finally{i.releaseLock()}return new Blob(r).arrayBuffer()}return t};class VH{app;maxRetries;constructor(e,t=3){this.app=e,this.maxRetries=t}async load(e,t,s){const i=this.app.scene?.gsplatCentersEnabled!==!1;try{const r=await zH(e,s),a=kH(r);for(const g of a)g.compression==="deflate"&&(g.data=await UH(g.data));const n=a.find(g=>g.filename==="meta.json");if(!n){t("Error: meta.json not found");return}let o;try{o=JSON.parse(new TextDecoder().decode(n.data))}catch(g){t(`Error parsing meta.json: ${g}`);return}const c=["means","scales","quats","sh0","shN"].map(g=>o[g]?.files??[]).flat(),h={},d=[];for(const g of c){const v=a.find(S=>S.filename===g);let x;if(v)x=new pe(g,"texture",{url:`${e.load}/${g}`,filename:g,contents:v.data},{mipmaps:!1},{crossOrigin:"anonymous"});else{const S=new URL(g,new URL(g,window.location.href).toString()).toString();x=new pe(g,"texture",{url:S,filename:g},{mipmaps:!1},{crossOrigin:"anonymous"})}const y=new Promise((S,T)=>{x.on("load",()=>S(null)),x.on("error",w=>T(w))});this.app.assets.add(x),h[g]=x,d.push(y)}Object.values(h).forEach(g=>this.app.assets.load(g)),await Promise.allSettled(d);const{assets:u}=this.app;s.once("unload",()=>{Object.values(h).forEach(g=>{u.remove(g),g.unload()})});const f=s.data?.decompress,p=new Tc;p.url=e.original,p.meta=o,p.numSplats=o.count,p.means_l=h[o.means.files[0]].resource,p.means_u=h[o.means.files[1]].resource,p.quats=h[o.quats.files[0]].resource,p.scales=h[o.scales.files[0]].resource,p.sh0=h[o.sh0.files[0]].resource,p.sh_centroids=h[o.shN?.files[0]]?.resource,p.sh_labels=h[o.shN?.files[1]]?.resource,p.shBands=Tc.calcBands(p.sh_centroids?.width),f||(p.prepareCodebook(),i&&await p.prepareGpuData());const m=i,_=f?new Ff(this.app.graphicsDevice,await p.decompress(),{prepareCenters:m}):new Tw(this.app.graphicsDevice,p,{prepareCenters:m});t(null,_)}catch(r){t(r)}}}class GH{load(e){}unload(e){}getResource(e){}destroy(){}}class HH extends GH{_urlToAsset=new Map;_registry;maxConcurrentLoads=2;maxRetries=2;_currentlyLoading=new Set;_loadQueue=[];_retryCount=new Map;_destroyed=!1;constructor(e){super(),this._registry=e}destroy(){this._destroyed=!0;for(const e of this._urlToAsset.values())e.fire("unload",e),e.off("load"),e.off("error"),this._registry.remove(e),e.unload();this._urlToAsset.clear(),this._loadQueue.length=0,this._currentlyLoading.clear(),this._retryCount.clear()}_canLoad(){return!!this._registry.loader?.getHandler("gsplat")}load(e){this._urlToAsset.get(e)?.loaded||this._currentlyLoading.has(e)||this._loadQueue.includes(e)||(this._currentlyLoading.size<this.maxConcurrentLoads?this._startLoading(e):this._loadQueue.push(e))}_startLoading(e){this._currentlyLoading.add(e);let t=this._urlToAsset.get(e);t||(t=new pe(e,"gsplat",{url:e}),this._registry.add(t),this._urlToAsset.set(e,t)),t.once("load",()=>this._onAssetLoadSuccess(e,t)),t.once("error",s=>this._onAssetLoadError(e,t,s)),!t.loaded&&!t.loading&&this._registry.load(t)}_onAssetLoadSuccess(e,t){this._destroyed||!this._urlToAsset.has(e)||(this._currentlyLoading.delete(e),this._retryCount.delete(e),this._processQueue())}_onAssetLoadError(e,t,s){if(this._destroyed||!this._canLoad()||!this._urlToAsset.has(e))return;const i=this._retryCount.get(e)||0;i<this.maxRetries?(this._retryCount.set(e,i+1),t.loaded=!1,t.loading=!1,this._registry.load(t)):(this._currentlyLoading.delete(e),this._retryCount.delete(e),this._processQueue())}_processQueue(){if(!(this._destroyed||!this._canLoad()))for(;this._currentlyLoading.size<this.maxConcurrentLoads&&this._loadQueue.length>0;){const e=this._loadQueue.shift();e&&this._startLoading(e)}}unload(e){this._currentlyLoading.delete(e);const t=this._loadQueue.indexOf(e);t!==-1&&this._loadQueue.splice(t,1),this._retryCount.delete(e);const s=this._urlToAsset.get(e);s&&(s.fire("unload",s),s.off("load"),s.off("error"),this._registry.remove(s),s.unload(),this._urlToAsset.delete(e)),this._processQueue()}getResource(e){return this._urlToAsset.get(e)?.resource}}class WH{app;maxRetries;constructor(e,t){this.app=e,this.maxRetries=t}load(e,t,s){typeof e=="string"&&(e={load:e,original:e});const i={retry:this.maxRetries>0,maxRetries:this.maxRetries,responseType:De.ResponseType.JSON};ht.get(e.load,i,(r,a)=>{if(r)t(`Error loading gsplat octree: ${e.original} [${r}]`);else{const n=new HH(this.app.assets),o=new TC(s.file.url,a,n);t(null,o)}})}}class XH extends dt{constructor(e){super(e,"gsplat"),this.parsers={ply:new FH(e,3),sog:ne

17031w VH(e),json:new NH(e,3),octree:new WH(e,3)}}_getUrlWithoutParams(e){return e.indexOf("?")>=0?e.split("?")[0]:e}_getParser(e){const t=ve.getBasename(this._getUrlWithoutParams(e)).toLowerCase();if(t==="lod-meta.json")return this.parsers.octree;const s=ve.getExtension(t).replace(".","");return this.parsers[s]||this.parsers.ply}load(e,t,s){typeof e=="string"&&(e={load:e,original:e}),this._getParser(e.original).load(e,t,s)}open(e,t,s){return t}}class B_{static setCompressedPRS(e,t,s){const i=s.singleVecs;let r,a;const n=t.___1;n||(r=s.tripleVecs,a=t.___2);let o=n?n[0]:r[a];e.setLocalPosition(i[o],i[o+1],i[o+2]),o=n?n[1]:r[a+1],e.setLocalEulerAngles(i[o],i[o+1],i[o+2]),o=n?n[2]:r[a+2],e.setLocalScale(i[o],i[o+1],i[o+2])}static oneCharToKey(e,t){const s=e.charCodeAt(0)-t.fieldFirstCode;return t.fieldArray[s]}static multCharToKey(e,t){let s=0;for(let i=0;i<e.length;i++)s=s*t.fieldCodeBase+e.charCodeAt(i)-t.fieldFirstCode;return t.fieldArray[s]}}class Au{constructor(e,t){this._node=e,this._data=t}run(){const e=Object.prototype.toString.call(this._node);return e==="[object Object]"?this._handleMap():e==="[object Array]"?this._handleArray():this._result=this._node,this._result}_handleMap(){this._result={},Object.keys(this._node).forEach(this._handleKey,this)}_handleKey(e){let t=e;const s=e.length;s===1?t=B_.oneCharToKey(e,this._data):s===2&&(t=B_.multCharToKey(e,this._data)),this._result[t]=new Au(this._node[e],this._data).run()}_handleArray(){this._result=[],this._node.forEach(this._handleArElt,this)}_handleArElt(e){const t=new Au(e,this._data).run();this._result.push(t)}}class ev{constructor(e,t){this._app=e,this._isTemplate=t}parse(e){const t={};let s=null;const i=e.compressedFormat;i&&!e.entDecompressed&&(e.entDecompressed=!0,e.entities=new Au(e.entities,i).run());for(const r in e.entities){const a=e.entities[r],n=this._createEntity(a,i);t[r]=n,a.parent===null&&(s=n)}for(const r in e.entities){const a=t[r],n=e.entities[r].children,o=n.length;for(let c=0;c<o;c++){const h=t[n[c]];h&&a.addChild(h)}}return this._openComponentData(s,e.entities),s}_createEntity(e,t){const s=new lt(e.name,this._app);if(s.guid=e.resource_id,this._setPosRotScale(s,e,t),s._enabled=e.enabled??!0,this._isTemplate?s._template=!0:s._enabledInHierarchy=s._enabled,s.template=e.template,e.tags)for(let i=0;i<e.tags.length;i++)s.tags.add(e.tags[i]);return s}_setPosRotScale(e,t,s){if(s)B_.setCompressedPRS(e,t,s);else{const i=t.position,r=t.rotation,a=t.scale;e.setLocalPosition(i[0],i[1],i[2]),e.setLocalEulerAngles(r[0],r[1],r[2]),e.setLocalScale(a[0],a[1],a[2])}}_openComponentData(e,t){const s=this._app.systems.list;let i=s.length;const r=t[e.guid];for(let n=0;n<i;n++){const o=s[n],c=r.components[o.id];c&&o.addComponent(e,c)}i=r.children.length;const a=e._children;for(let n=0;n<i;n++)a[n]&&(a[n]=this._openComponentData(a[n],t));return e}}class IC{static load(e,t,s){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:t>0,maxRetries:t},(i,r)=>{if(!i)s(i,r);else{let a=`Error while loading scene JSON ${e.original}`;i.message?(a+=`: ${i.message}`,i.stack&&(a+=`
17032${i.stack}`)):a+=`: ${i}`,s(a)}})}}class YH extends dt{constructor(e){super(e,"hierarchy")}load(e,t){IC.load(e,this.maxRetries,t)}open(e,t){this._app.systems.script.preloading=!0;const i=new ev(this._app,!1).parse(t);return this._app.systems.script.preloading=!1,i}}class jH extends dt{decoder=null;constructor(e){super(e,"html")}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(`Error loading html resource: ${e.original} [${s}]`):t(null,i)})}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),this.decoder.decode(e)}}class qH extends dt{decoder=null;constructor(e){super(e,"json")}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s={retry:this.maxRetries>0,maxRetries:this.maxRetries};e.load.startsWith("blob:")&&(s.responseType=De.ResponseType.JSON),ht.get(e.load,s,(i,r)=>{i?t(`Error loading JSON resource: ${e.original} [${i}]`):t(null,r)})}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),JSON.parse(this.decoder.decode(e))}}class $H{constructor(){this.removeInvalid=!0,this.valid=!0,this.enumValidators={occludeSpecular:this._createEnumValidator([bT,Af,AT]),cull:this._createEnumValidator([Yt,tc,Bx,RE]),blendType:this._createEnumValidator([yg,nn,Wi,Ns,Ui,xg,Tg,wg,Cg,Eg,bg]),depthFunc:this._createEnumValidator([FE,Hd,Wd,Um,OE,BE,NE,cr])}}setInvalid(e,t){this.valid=!1,this.removeInvalid&&delete t[e]}validate(e){const t=zo,s=VM,i=e.mappingFormat==="path";

17032for(const r in e){const a=t[r];if(!a){s[r]?delete e[r]:this.valid=!1;continue}if(a.startsWith("enum")){const n=a.split(":")[1];this.enumValidators[n]&&(this.enumValidators[n](e[r])||this.setInvalid(r,e))}else if(a==="number")typeof e[r]!="number"&&this.setInvalid(r,e);else if(a==="boolean")typeof e[r]!="boolean"&&this.setInvalid(r,e);else if(a==="string")typeof e[r]!="string"&&this.setInvalid(r,e);else if(a==="vec2")e[r]instanceof Array&&e[r].length===2||this.setInvalid(r,e);else if(a==="rgb")e[r]instanceof Array&&e[r].length===3||this.setInvalid(r,e);else if(a==="texture")i?typeof e[r]=="string"||e[r]===null||e[r]instanceof ce||this.setInvalid(r,e):typeof e[r]=="number"||e[r]===null||e[r]instanceof ce||this.setInvalid(r,e);else if(a==="boundingbox")e[r].center&&e[r].center instanceof Array&&e[r].center.length===3||this.setInvalid(r,e),e[r].halfExtents&&e[r].halfExtents instanceof Array&&e[r].halfExtents.length===3||this.setInvalid(r,e);else if(a==="cubemap")typeof e[r]=="number"||e[r]===null||e[r]===void 0||e[r]instanceof ce&&e[r].cubemap||this.setInvalid(r,e);else if(a==="chunks"){const n=Object.keys(e[r]);for(let o=0;o<n.length;o++)typeof e[r][n[o]]!="string"&&this.setInvalid(n[o],e[r])}else console.error(`Unknown material type: ${a}`)}return e.validated=!0,this.valid}_createEnumValidator(e){return function(t){return e.indexOf(t)>=0}}}class KH{constructor(){this._validator=null}parse(e){const t=this.migrate(e),s=this._validate(t),i=new Es;return this.initialize(i,s),i}initialize(e,t){if(t.validated||(t=this._validate(t)),t.chunks&&t.chunks&&Object.keys(t.chunks).length>0){const s=e.shaderChunks.glsl;Object.entries(t.chunks).forEach(([i,r])=>s.set(i,r))}for(const s in t){const i=zo[s],r=t[s];if(i==="vec2")e[s]=new j(r[0],r[1]);else if(i==="rgb")e[s]=new Q(r[0],r[1],r[2]);else if(i==="texture")r instanceof ce?e[s]=r:e[s]instanceof ce&&typeof r=="number"&&r>0||(e[s]=null);else if(i==="cubemap")r instanceof ce?e[s]=r:e[s]instanceof ce&&typeof r=="number"&&r>0||(e[s]=null),s==="cubeMap"&&!r&&(e.prefilteredCubemaps=null);else if(i==="boundingbox"){const a=new E(r.center[0],r.center[1],r.center[2]),n=new E(r.halfExtents[0],r.halfExtents[1],r.halfExtents[2]);e[s]=new Le(a,n)}else e[s]=t[s]}e.update()}migrate(e){e.shader&&delete e.shader,e.mapping_format&&(e.mappingFormat=e.mapping_format,delete e.mapping_format);let t;const s=[["bumpMapFactor","bumpiness"],["aoUvSet","aoMapUv"],["aoMapVertexColor","aoVertexColor"],["diffuseMapVertexColor","diffuseVertexColor"],["emissiveMapVertexColor","emissiveVertexColor"],["specularMapVertexColor","specularVertexColor"],["metalnessMapVertexColor","metalnessVertexColor"],["opacityMapVertexColor","opacityVertexColor"],["glossMapVertexColor","glossVertexColor"],["lightMapVertexColor","lightVertexColor"],["specularMapTint","specularTint"],["metalnessMapTint","metalnessTint"],["clearCoatGlossiness","clearCoatGloss"]];for(t=0;t<s.length;t++){const r=s[t][0],a=s[t][1];e[r]!==void 0&&(e[a]===void 0&&(e[a]=e[r]),delete e[r])}const i=["fresnelFactor","shadowSampleType"];for(t=0;t<i.length;t++){const r=i[t];e.hasOwnProperty(r)&&delete e[r]}return e}_validate(e){return e.validated||(this._validator||(this._validator=new $H),this._validator.validate(e)),e}}const ZH={aoMap:"white",aoDetailMap:"white",diffuseMap:"gray",diffuseDetailMap:"gray",specularMap:"gray",specularityFactorMap:"white",metalnessMap:"black",glossMap:"gray",sheenMap:"black",sheenGlossMap:"gray",clearCoatMap:"black",clearCoatGlossMap:"gray",clearCoatNormalMap:"normal",refractionMap:"white",emissiveMap:"gray",normalMap:"normal",normalDetailMap:"normal",heightMap:"gray",opacityMap:"gray",sphereMap:"gray",lightMap:"white",thicknessMap:"black",iridescenceMap:"black",iridescenceThicknessMap:"black",envAtlas:"black",anisotropyMap:"black"};class QH extends dt{constructor(e){super(e,"material"),this._assets=e.assets,this._device=e.graphicsDevice,this._parser=new KH}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t&&t(`Error loading material: ${e.original} [${s}]`):t&&(i._engine=!0,t(null,i))})}open(e,t){const s=this._parser.parse(t);return t._engine&&(s._data=t,delete t._engine),s}patch(e,t){e.resource._data&&(e._data=e.resource._data,delete e.resource._data),e.data.name=e.name,e.resource.name=e.name,this._bindAndAssignAssets(e,t),e.off("unload",this._onAssetUnload,this),e.on("unload",this._onAssetUnload,this)}_onAssetUnload(e){delete e.data.parameters,delete e.data.chunks,delete e.data.name}_assignTexture(e,t,s){t.resource[e]=s}_getPlaceholderTexture(e){const t=ZH[e];return Za(this._device,t)}_assignPlaceholderTexture(e,t){t.resource[e]=this._getPlaceholderTexture(e)}_onTextureLoad(e,t,s){this._assignTexture(e,t,s.resource),t.resource.update(

17032)}_onTextureAdd(e,t,s){this._assets.load(s)}_onTextureRemoveOrUnload(e,t,s){const i=t.resource;i&&t.resource[e]===s.resource&&(this._assignPlaceholderTexture(e,t),i.update())}_assignCubemap(e,t,s){if(t.resource[e]=s[0],e==="cubeMap"){const i=s.slice(1);i.every(r=>r)?t.resource.prefilteredCubemaps=i:i[0]&&(t.resource.envAtlas=i[0])}}_onCubemapLoad(e,t,s){this._assignCubemap(e,t,s.resources),this._parser.initialize(t.resource,t.data)}_onCubemapAdd(e,t,s){this._assets.load(s)}_onCubemapRemoveOrUnload(e,t,s){const i=t.resource;t.data.prefilteredCubeMap128===s.resources[1]&&(this._assignCubemap(e,t,[null,null,null,null,null,null,null]),i.update())}_bindAndAssignAssets(e,t){const s=this._parser.migrate(e.data),i=e.resource,r=s.mappingFormat==="path",a=Rf;let n,o,c;for(n=0;n<a.length;n++){o=a[n],c=i._assetReferences[o];const d=s[o],u=i[o],f=u===this._getPlaceholderTexture(o),p=s.validated;d&&(!u||!p||f)?(c||(c=new Ec(o,e,t,{load:this._onTextureLoad,add:this._onTextureAdd,remove:this._onTextureRemoveOrUnload,unload:this._onTextureRemoveOrUnload},this),i._assetReferences[o]=c),r?c.url=e.getAbsoluteUrl(d):c.id=d,c.asset&&(c.asset.resource?this._assignTexture(o,e,c.asset.resource):this._assignPlaceholderTexture(o,e),t.load(c.asset))):c&&(r?c.url=null:c.id=null)}const h=Hg;for(n=0;n<h.length;n++)o=h[n],c=i._assetReferences[o],s[o]&&!e.data.prefilteredCubeMap128&&(c||(c=new Ec(o,e,t,{load:this._onCubemapLoad,add:this._onCubemapAdd,remove:this._onCubemapRemoveOrUnload,unload:this._onCubemapRemoveOrUnload},this),i._assetReferences[o]=c),r?c.url=s[o]:c.id=s[o],c.asset&&(c.asset.loaded&&this._assignCubemap(o,e,c.asset.resources),t.load(c.asset)));this._parser.initialize(i,s)}}class JH{constructor(e){this._device=e.device,this._defaultMaterial=e.defaultMaterial,this._assets=e.assets}parse(e,t,s){bu.parse("filename.glb","",e,this._device,this._assets,s?.options??{},(i,r)=>{if(i)t(i);else{const a=Zr.createModel(r,this._defaultMaterial);r.destroy(),t(null,a)}})}}const eW={points:lf,lines:cf,lineloop:Nx,linestrip:og,triangles:qs,trianglestrip:Tr,trianglefan:qa},tW={int8:ua,uint8:mr,int16:fa,uint16:mn,int32:Yo,uint32:Xc,float32:je};class sW{constructor(e){this._device=e.device,this._defaultMaterial=e.defaultMaterial}parse(e,t){const s=e.model;if(!s){t(null,null);return}if(s.version<=1){t("JsonModelParser#parse: Trying to parse unsupported model format.");return}const i=this._parseNodes(e),r=this._parseSkins(e,i),a=this._parseVertexBuffers(e),n=this._parseIndexBuffers(e,a),o=this._parseMorphs(e,i,a),c=this._parseMeshes(e,r.skins,o.morphs,a,n.buffer,n.data),h=this._parseMeshInstances(e,i,c,r.skins,r.instances,o.morphs,o.instances),d=new pa;d.graph=i[0],d.meshInstances=h,d.skinInstances=r.instances,d.morphInstances=o.instances,d.getGraph().syncHierarchy(),t(null,d)}_parseNodes(e){const t=e.model,s=[];let i;for(i=0;i<t.nodes.length;i++){const r=t.nodes[i],a=new He(r.name);a.setLocalPosition(r.position[0],r.position[1],r.position[2]),a.setLocalEulerAngles(r.rotation[0],r.rotation[1],r.rotation[2]),a.setLocalScale(r.scale[0],r.scale[1],r.scale[2]),a.scaleCompensation=!!r.scaleCompensation,s.push(a)}for(i=1;i<t.parents.length;i++)s[t.parents[i]].addChild(s[i]);return s}_parseSkins(e,t){const s=e.model,i=[],r=[];let a,n;for(a=0;a<s.skins.length;a++){const o=s.skins[a],c=[];for(n=0;n<o.inverseBindMatrices.length;n++){const f=o.inverseBindMatrices[n];c[n]=new Z().set(f)}const h=new ow(this._device,c,o.boneNames);i.push(h);const d=new $c(h),u=[];for(n=0;n<h.boneNames.length;n++){const f=h.boneNames[n],p=t[0].findByName(f);u.push(p)}d.bones=u,r.push(d)}return{skins:i,instances:r}}_getMorphVertexCount(e,t,s){for(let i=0;i<e.meshes.length;i++){const r=e.meshes[i];if(r.morph===t)return s[r.vertices].numVertices}}_parseMorphs(e,t,s){const i=e.model,r=[],a=[];let n,o,c,h,d,u;if(i.morphs){const f=function(p,m,_){const g=new Float32Array(_*3);for(let v=0;v<m.length;v++){const x=m[v]*3;g[x]=p[v*3],g[x+1]=p[v*3+1],g[x+2]=p[v*3+2]}return g};for(n=0;n<i.morphs.length;n++){for(h=i.morphs[n].targets,u=[],c=this._getMorphVertexCount(i,n,s),o=0;o<h.length;o++){const _=h[o].aabb,g=_.min,v=_.max,x=new Le(new E((v[0]+g[0])*.5,

17032(v[1]+g[1])*.5,(v[2]+g[2])*.5),new E((v[0]-g[0])*.5,(v[1]-g[1])*.5,(v[2]-g[2])*.5)),y=h[o].indices;let S=h[o].deltaPositions,T=h[o].deltaNormals;y&&(S=f(S,y,c),T=f(T,y,c)),d=new Mf({deltaPositions:S,deltaNormals:T,name:h[o].name,aabb:x}),u.push(d)}const p=new zg(u,this._device);r.push(p);const m=new dn(p);a.push(m)}}return{morphs:r,instances:a}}_parseVertexBuffers(e){const t=e.model,s=[],i={position:Ie,normal:Cs,tangent:Gi,blendWeight:ki,blendIndices:Bs,color:ns,texCoord0:Zs,texCoord1:pn,texCoord2:Uc,texCoord3:zc,texCoord4:Vc,texCoord5:Gc,texCoord6:Hc,texCoord7:Wc};for(let r=0;r<t.vertices.length;r++){const a=t.vertices[r],n=[];for(const u in a){const f=a[u];n.push({semantic:i[u],components:f.components,type:tW[f.type],normalize:i[u]===ns})}const o=new Us(this._device,n),c=a.position.data.length/a.position.components,h=new Hi(this._device,o,c),d=new jl(h);for(let u=0;u<c;u++){for(const f in a){const p=a[f];switch(p.components){case 1:d.element[i[f]].set(p.data[u]);break;case 2:d.element[i[f]].set(p.data[u*2],1-p.data[u*2+1]);break;case 3:d.element[i[f]].set(p.data[u*3],p.data[u*3+1],p.data[u*3+2]);break;case 4:d.element[i[f]].set(p.data[u*4],p.data[u*4+1],p.data[u*4+2],p.data[u*4+3]);break}}d.next()}d.end(),s.push(h)}return s}_parseIndexBuffers(e,t){const s=e.model;let i=null,r=null,a,n=0;for(a=0;a<s.meshes.length;a++){const c=s.meshes[a];c.indices!==void 0&&(n+=c.indices.length)}let o=0;for(a=0;a<t.length;a++)o=Math.max(o,t[a].numVertices);return n>0&&(o>65535?(i=new la(this._device,ra,n),r=new Uint32Array(i.lock())):(i=new la(this._device,Ni,n),r=new Uint16Array(i.lock()))),{buffer:i,data:r}}_parseMeshes(e,t,s,i,r,a){const n=e.model,o=[];let c=0;for(let h=0;h<n.meshes.length;h++){const d=n.meshes[h],u=d.aabb,f=u.min,p=u.max,m=new Le(new E((p[0]+f[0])*.5,(p[1]+f[1])*.5,(p[2]+f[2])*.5),new E((p[0]-f[0])*.5,(p[1]-f[1])*.5,(p[2]-f[2])*.5)),_=d.indices!==void 0,g=new at(this._device);g.vertexBuffer=i[d.vertices],g.indexBuffer[0]=_?r:null,g.primitive[0].type=eW[d.type],g.primitive[0].base=_?d.base+c:d.base,g.primitive[0].count=d.count,g.primitive[0].indexed=_,g.skin=d.skin!==void 0?t[d.skin]:null,g.morph=d.morph!==void 0?s[d.morph]:null,g.aabb=m,_&&(a.set(d.indices,c),c+=d.indices.length),o.push(g)}return r!==null&&r.unlock(),o}_parseMeshInstances(e,t,s,i,r,a,n){const o=e.model,c=[];let h;for(h=0;h<o.meshInstances.length;h++){const d=o.meshInstances[h],u=t[d.node],f=s[d.mesh],p=new Ne(f,this._defaultMaterial,u);if(f.skin){const m=i.indexOf(f.skin);p.skinInstance=r[m]}if(f.morph){const m=a.indexOf(f.morph);p.morphInstance=n[m]}c.push(p)}return c}}class iW extends dt{constructor(e){super(e,"model"),this._parsers=[],this.device=e.graphicsDevice,this.assets=e.assets,this.defaultMaterial=Zo(this.device),this.addParser(new sW(this),(t,s)=>ve.getExtension(t)===".json"),this.addParser(new JH(this),(t,s)=>ve.getExtension(t)===".glb")}load(e,t,s){typeof e=="string"&&(e={load:e,original:e});const i={retry:this.maxRetries>0,maxRetries:this.maxRetries};(e.load.startsWith("blob:")||e.load.startsWith("data:"))&&(ve.getExtension(e.original).toLowerCase()===".glb"?i.responseType=De.ResponseType.ARRAY_BUFFER:i.responseType=De.ResponseType.JSON),ht.get(e.load,i,(r,a)=>{if(t)if(r)t(`Error loading model: ${e.original} [${r}]`);else{for(let n=0;n<this._parsers.length;n++){const o=this._parsers[n];if(o.decider(e.original,a)){o.parser.parse(a,(c,h)=>{c?t(c):t(null,h)},s);return}}t("No parsers found")}})}open(e,t){return t}patch(e,t){if(!e.resource)return;const s=e.data,i=this;e.resource.meshInstances.forEach((r,a)=>{if(s.mapping){const n=function(d){d.resource?r.material=d.resource:(d.once("load",n),t.load(d)),d.once("remove",u=>{r.material===u.resource&&(r.material=i.defaultMaterial)})};if(!s.mapping[a]){r.material=i.defaultMaterial;return}const o=s.mapping[a].material,c=s.mapping[a].path;let h;if(o!==void 0)o?(h=t.get(o),h?n(h):t.once(`add:${o}`,n)):r.material=i.defaultMaterial;else if(c){const d=e.getAbsoluteUrl(s.mapping[a].path);h=t.getByUrl(d),h?n(h):t.once(`add:url:${d}`,n)}}})}addParser(e,t){this._parsers.push({parser:e,decider:t})}}class rW extends dt{constructor(e){super(e,"scene")}load(e,t){IC.load(e,this.maxRetries,t)}open(e,t){this._app.systems.script.preloading=!0;const i=new ev(this._app,!1).parse(t),r=this._app.scene;return r.root=i,this._app.applySceneSettings(t.settings),this._app.systems.script.preloading=!1,r}}class Wa{static _types=[];static push(e){Wa._types.push(e)}}const aW=new Set(["system","entity","create","destroy","swap","move","data","scripts","_scripts","_scriptsIndex","_scriptsData","enabled","_oldState","onEnable","onDisable","onPostStateChange","_onSetEnabled","_checkState","_onBeforeRemove","_onInitializeAttributes","_onInitialize","_onPostInitialize","_onUpdate","_onPostUpdate","_callbacks","_callbackActive","has","get","on","off","fire","once","hasEvent","worker"]),nW={};

17032eh.reservedNames.forEach((l,e,t)=>{nW[l]=1});function oW(l,e,t){if(typeof l!="function")throw new Error(`script class: '${l}' must be a constructor function (i.e. class).`);if(!(l.prototype instanceof xu))throw new Error(`script class: '${Zl.__getScriptName(l)}' does not extend pc.Script.`);if(e=e||l.__name||Zl.__getScriptName(l),aW.has(e))throw new Error(`script name: '${e}' is reserved, please change script name`);l.__name=e,Ts.getApplication().scripts.add(l),Wa.push(l)}const lW=l=>l[0].toLowerCase()+l.substring(1);class cW extends dt{constructor(e){super(e,"script"),this._scripts={},this._cache={}}clearCache(){for(const e in this._cache){const t=this._cache[e],s=t.parentNode;s&&s.removeChild(t)}this._cache={}}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s=this;this._app;const i=(e.load,(n,o,c)=>{if(n)t(n);else{const h={};for(let u=0;u<Wa._types.length;u++)h[Wa._types[u].name]=Wa._types[u];Wa._types.length=0,t(null,h,c);const d=o.split("&hash=")[0];delete s._loader._cache[Co.makeKey(d,"script")]}}),[r]=e.load.split("?");r.endsWith(".mjs")?this._loadModule(r,i):this._loadScript(e.load,i)}open(e,t){return t}patch(e,t){}_loadScript(e,t){const s=document.head,i=document.createElement("script");this._cache[e]=i,i.async=!1,i.addEventListener("error",a=>{t(`Script: ${a.target.src} failed to load`)},!1);let r=!1;i.onload=i.onreadystatechange=function(){!r&&(!this.readyState||this.readyState==="loaded"||this.readyState==="complete")&&(r=!0,t(null,e,i))},i.src=e,s.appendChild(i)}_loadModule(e,t){const i=Ce.browser&&window.location.origin!=="null"?window.location.origin+window.location.pathname:import.meta.url,r=new URL(e,i);import(r.toString()).then(a=>{const n=r.pathname.split("/").pop(),o=this._app.assets.find(n,"script")?.data?.scripts;for(const c in a){const h=a[c];if(h.prototype instanceof xu){const u=lW(h.name);h.scriptName;const f=h.scriptName??u;oW(h,f),o&&this._app.scripts.addSchema(f,o[f])}}t(null,e,null)}).catch(a=>{t(a)})}}class hW extends dt{decoder=null;constructor(e){super(e,"shader")}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(`Error loading shader resource: ${e.original} [${s}]`):t(null,i)})}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),this.decoder.decode(e)}}function xm(l){const e=this;e.resource&&(e.resource.atlas=l.resource)}function Tm(l){this.registry.load(l)}class dW extends dt{constructor(e){super(e,"sprite"),this._assets=e.assets,this._device=e.graphicsDevice}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ve.getExtension(e.original)===".json"&&ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(s):t(null,i)})}open(e,t){const s=new wM(this._device);return e&&(s.__data=t),s}patch(e,t){const s=e.resource;if(s.__data&&(e.data.pixelsPerUnit=s.__data.pixelsPerUnit,e.data.renderMode=s.__data.renderMode,e.data.frameKeys=s.__data.frameKeys,s.__data.textureAtlasAsset)){const i=t.getByUrl(s.__data.textureAtlasAsset);i?e.data.textureAtlasAsset=i.id:console.warn(`Could not find textureatlas with url: ${s.__data.textureAtlasAsset}`)}s.startUpdate(),s.renderMode=e.data.renderMode,s.pixelsPerUnit=e.data.pixelsPerUnit,s.frameKeys=e.data.frameKeys,this._updateAtlas(e),s.endUpdate(),e.off("change",this._onAssetChange,this),e.on("change",this._onAssetChange,this)}_updateAtlas(e){const t=e.resource;if(!e.data.textureAtlasAsset){t.atlas=null;return}this._assets.off(`load:${e.data.textureAtlasAsset}`,xm,e),this._assets.on(`load:${e.data.textureAtlasAsset}`,xm,e);const s=this._assets.get(e.data.textureAtlasAsset);s&&s.resource?t.atlas=s.resource:s?this._assets.load(s):(this._assets.off(`add:${e.data.textureAtlasAsset}`,Tm,e),this._assets.on(`add:${e.data.textureAtlasAsset}`,Tm,e))}_onAssetChange(e,t,s,i){t==="data"&&s&&s.textureAtlasAsset&&i&&s.textureAtlasAsset!==i.textureAtlasAsset&&(this._assets.off(`load:${i.textureAtlasAsset}`,xm,e),this._assets.off(`add:${i.textureAtlasAsset}`,Tm,e))}}class X0{_app;_data;_templateRoot=null;constructor(e,t){this._app=e,this._data=t}instantiate(){return this._templateRoot||this._parseTemplate(),this._templateRoot.clone()}_parseTemplate(){const e=new ev(this._app,!0);this._templateRoot=e.parse(this._data)}set data(e){this._data=e,this._templateRoot=null}get data(){return this._data}}class uW extends dt{decoder=null;constructor(e){super(e,"template")}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s={retry:this.maxRetries>0,maxRetries:this.maxRetries};ht.get(e.load,s,(i,r)=>{i?t(`Error requesting template: ${e.original}`):t(i,r)})}open(e,t){return new X0(this._app,t)}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),new X0(this._app,JSON.parse(this.decoder.decode(e)))}patch(e,t){if(!e||!e.resource||!e.data||!e.data.entities)return;const s=e.resource;s.data=e.data}}class fW extends dt{decoder=null;constructor(e){super(e,"text")}load(e,t){typeof e=="string"&&(e={load:e,original:e}),ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(s,i)=>{s?t(`Error loading text resource: ${e.original} [${s}]`):t(null,i)})}openBinary(e){return this.decoder??(this.decoder=new TextDecoder("utf-8")),this.decoder.decode(e)}}const hd={repeat:Ft,clamp:ue,mirror:Iu},dd={nearest:Fe,linear:It,nearest_mip_nearest:Ac,linear_mip_nearest:Ic,nearest_mip_linear:Pc,linear_mip_linear:ia},pW=/^data\.frames\.(\d+)$/;class mW extends dt{constructor(e){super(e,"textureatlas"),this._loader=e.loader}load(e,t){typeof e=="string"&&(e={load:e,original:e});const s=this,i=this._loader.getHandler("texture");ve.getExtension(e.original)===".json"?ht.get(e.load,{retry:this.maxRetries>0,maxRetries:this.maxRetries},(r,a)=>{if(r)t(r);else{const n=e.original.replace(".json",".png");s._loader.load(n,"texture",(o,c)=>{o?t(o):t(null,{data:a,texture:c})})}}):i.load(e,t)}open(e,t,s){const i=new CM;if(t.texture&&t.data)i.texture=t.texture,i.__data=t.data;else{const a=this._loader.getHandler("texture").open(e,t,s);if(!a)return null;i.texture=a}return i}patch(e,t){if(!e.resource)return;e.resource.__data&&(e.resource.__data.minfilter!==void 0&&(e.data.minfilter=e.resource.__data.minfilter),e.resource.__data.magfilter!==void 0&&(e.data.magfilter=e.resource.__data.magfilter),e.resource.__data.addressu!==void 0&&(e.data.addressu=e.resource.__data.addressu),e.resource.__data.addressv!==void 0&&(e.data.addressv=e.resource.__data.addressv),e.resource.__data.mipmaps!==void 0&&(e.data.mipmaps=e.resource.__data.mipmaps),e.resource.__data.anisotropy!==void 0&&(e.data.anisotropy=e.resource.__data.anisotropy),e.resource.__data.rgbm!==void 0&&(e.data.rgbm=!!e.resource.__data.rgbm),e.data.frames=e.resource.__data.frames,delete e.resource.__data);const s=e.resource.texture;if(s&&(s.name=e.name,e.data.hasOwnProperty("minfilter")&&s.minFilter!==dd[e.data.minfilter]&&(s.minFilter=dd[e.data.minfilter]),e.data.hasOwnProperty("magfilter")&&s.magFilter!==dd[e.data.magfilter]&&(s.magFilter=dd[e.data.magfilter]),e.data.hasOwnProperty("addressu")&&s.addressU!==hd[e.data.addressu]&&(s.addressU=hd[e.data.addressu]),e.data.hasOwnProperty("addressv")&&s.addressV!==hd[e.data.addressv]&&(s.addressV=hd[e.data.addressv]),e.data.hasOwnProperty("mipmaps")&&s.mipmaps!==e.data.mipmaps&&(s.mipmaps=e.data.mipmaps),e.data.hasOwnProperty("anisotropy")&&s.anisotropy!==e.data.anisotropy&&(s.anisotropy=e.data.anisotropy),e.data.hasOwnProperty("rgbm"))){const r=e.data.rgbm?wr:Qs;s.type!==r&&(s.type=r)}e.resource.texture=s;const i={};for(const r in e.data.frames){const a=e.data.frames[r];i[r]={rect:new ie(a.rect),pivot:new j(a.pivot),border:new ie(a.border)}}e.resource.frames=i,e.off("change",this._onAssetChange,this),e.on("change",this._onAssetChange,this)}

17032_onAssetChange(e,t,s){let i;if(t==="data"||t==="data.frames"){const r={};for(const a in s.frames)i=s.frames[a],r[a]={rect:new ie(i.rect),pivot:new j(i.pivot),border:new ie(i.border)};e.resource.frames=r}else{const r=t.match(pW);if(r){const a=r[1];s?(e.resource.frames[a]?(i=e.resource.frames[a],i.rect.set(s.rect[0],s.rect[1],s.rect[2],s.rect[3]),i.pivot.set(s.pivot[0],s.pivot[1]),i.border.set(s.border[0],s.border[1],s.border[2],s.border[3])):e.resource.frames[a]={rect:new ie(s.rect),pivot:new j(s.pivot),border:new ie(s.border)},e.resource.fire("set:frame",a,e.resource.frames[a])):e.resource.frames[a]&&(delete e.resource.frames[a],e.resource.fire("remove:frame",a))}}}}function _W(){const l={cTFETC1:0,cTFETC2:1,cTFBC1:2,cTFBC3:3,cTFPVRTC1_4_RGB:8,cTFPVRTC1_4_RGBA:9,cTFASTC_4x4:10,cTFATC_RGB:11,cTFATC_RGBA_INTERPOLATED_ALPHA:12,cTFRGBA32:13,cTFRGB565:14,cTFRGBA4444:16},e={astc:l.cTFASTC_4x4,dxt:l.cTFBC1,etc1:l.cTFETC1,etc2:l.cTFETC1,pvr:l.cTFPVRTC1_4_RGB,atc:l.cTFATC_RGB,none:l.cTFRGB565},t={astc:l.cTFASTC_4x4,dxt:l.cTFBC3,etc1:l.cTFRGBA4444,etc2:l.cTFETC2,pvr:l.cTFPVRTC1_4_RGBA,atc:l.cTFATC_RGBA_INTERPOLATED_ALPHA,none:l.cTFRGBA4444},s={ETC1:21,ETC2_RGB:22,ETC2_RGBA:23,DXT1:8,DXT5:10,PVRTC_4BPP_RGB_1:26,PVRTC_4BPP_RGBA_1:27,ASTC_4x4:28,ATC_RGB:29,ATC_RGBA:30,R8_G8_B8_A8:7,R5_G6_B5:3,R4_G4_B4_A4:5},i=(y,S)=>{switch(y){case l.cTFETC1:return S.formats.etc2?s.ETC2_RGB:s.ETC1;case l.cTFETC2:return s.ETC2_RGBA;case l.cTFBC1:return s.DXT1;case l.cTFBC3:return s.DXT5;case l.cTFPVRTC1_4_RGB:return s.PVRTC_4BPP_RGB_1;case l.cTFPVRTC1_4_RGBA:return s.PVRTC_4BPP_RGBA_1;case l.cTFASTC_4x4:return s.ASTC_4x4;case l.cTFATC_RGB:return s.ATC_RGB;case l.cTFATC_RGBA_INTERPOLATED_ALPHA:return s.ATC_RGBA;case l.cTFRGBA32:return s.R8_G8_B8_A8;case l.cTFRGB565:return s.R5_G6_B5;case l.cTFRGBA4444:return s.R4_G4_B4_A4}},r=y=>{const S=function(T,w){const C=T*.00784313725490196-1,b=w*(2/255)-1,I=Math.sqrt(1-Math.min(1,C*C+b*b));return Math.max(0,Math.min(255,Math.floor((I+1)*.5*255)))};for(let T=0;T<y.length;T+=4){const w=y[T+3],C=y[T+1];y[T+0]=w,y[T+2]=S(w,C),y[T+3]=255}return y},a=y=>{const S=new Uint16Array(y.length/4);for(let T=0;T<y.length;T+=4){const w=y[T+0],C=y[T+1],b=y[T+2];S[T/4]=(w&248)<<8|(C&252)<<3|b>>3}return S},n=(y,S)=>(y&y-1)===0&&(S&S-1)===0,o=()=>typeof performance<"u"?performance.now():0;let c,h,d;const u=(y,S,T)=>{if(T){if(y.formats.astc)return"astc"}else if(S){if(y.formats.etc2)return"etc2"}else{if(y.formats.etc2)return"etc2";if(y.formats.etc1)return"etc1"}return(C=>{for(let b=0;b<C.length;++b){const I=C[b];if(y.formats[I])return I}return"none"})(S?d:h)},f=(y,S,T)=>{switch(T){case l.cTFETC1:case l.cTFETC2:return!0;case l.cTFBC1:case l.cTFBC3:return(y&3)===0&&(S&3)===0;case l.cTFPVRTC1_4_RGB:case l.cTFPVRTC1_4_RGBA:return n(y,S);case l.cTFASTC_4x4:return!0;case l.cTFATC_RGB:case l.cTFATC_RGBA_INTERPOLATED_ALPHA:return!0}return!1},p=(y,S,T)=>{if(!c.KTX2File)throw new Error("Basis transcoder module does not include support for KTX2.");const w=o(),C=new c.KTX2File(new Uint8Array(S)),b=C.getWidth(),I=C.getHeight(),P=C.getLevels(),L=!!C.getHasAlpha(),O=C.isUASTC&&C.isUASTC();if(!b||!I||!P)throw C.close(),C.delete(),new Error(`Invalid image dimensions url=${y} width=${b} height=${I} levels=${P}`);const D=u(T.deviceDetails,L,O),N=!!T.isGGGR&&D==="pvr";let k;if(N?k=l.cTFRGBA32:(k=L?t[D]:e[D],f(b,I,k)||(k=L?l.cTFRGBA32:l.cTFRGB565)),!C.startTranscoding())throw C.close(),C.delete(),new Error(`Failed to start transcoding url=${y}`);let A;const M=[];for(let R=0;R<P;++R){const F=C.getImageTranscodedSizeInBytes(R,0,0,k),U=new Uint8Array(F);if(!C.transcodeImage(U,R,0,0,k,0,-1,-1))throw C.close(),C.delete(),new Error(`Failed to transcode image url=${y}`);const B=k===l.cTFRGB565||k===l.cTFRGBA4444;M.push(B?new Uint16Array(U.buffer):U)}if(C.close(),C.delete(),N)for(k=l.cTFRGB565,A=0;A<M.length;++A)M[A]=a(r(M[A]));return{format:i(k,T.deviceDetails),width:b,height:I,levels:M,cubemap:!1,transcodeTime:o()-w,url:y,unswizzledGGGR:N}},m=(y,S,T)=>{const w=o(),C=new c.BasisFile(new Uint8Array(S)),b=C.getImageWidth(0,0),I=C.getImageHeight(0,0),P=C.getNumImages(),L=C.getNumLevels(0),O=!!C.getHasAlpha(),D=C.isUASTC&&C.isUASTC();if(!b||!I||!P||!L)throw C.close(),C.delete(),new Error(`Invalid image dimensions url=${y} width=${b} height=${I} images=${P} levels=${L}`);const N=u(T.deviceDetails,O,D),k=!!T.isGGGR&&N==="pvr";let A;if(k?A=l.cTFRGBA32:(A=O?t[N]:e[N],f(b,I,A)||(A=O?l.cTFRGBA32:l.cTFRGB565)),!C.startTranscoding())throw C.close(),C.delete(),new Error(`Failed to start transcoding url=${y}`);let M;const R=[];for(let F=0;F<L;++F){const U=C.getImageTranscodedSizeInBytes(0,F,A),B=new Uint8Array(U);if(!C.transcodeImage(B,0,F,A,0,0))if(F===L-1&&U===R[F-1].buffer.byteLength)B.set(new Uint8Array(R[F-1].buffer)),console.warn(`Failed to transcode last mipmap level, using previous level instead url=${y}`);else throw C.close(),C.delete(),new Error(`Failed to transcode image url=${y}`);const z=A===l.cTFRGB565||A===l.cTFRGBA4444;R.push(z?new Uint16Array(B.buffer):B)}if(C.close(),C.delete(),k)for(A=l.cTFRGB565,M=0;M<R.length;++M)R[M]=a(r(R[M]));return{format:i(A,T.deviceDetails),width:b,height:I,levels:R,cubemap:!1,transcodeTime:o()-w,url:y,unswizzledGGGR:k}},_=(y,S,T)=>T.isKTX2?p(y,S,T):m(y,S,T),g=(y,S,T)=>{try{const w=_(y,S,T);w.levels=w.levels.map(C=>C.buffer),self.postMessage({url:y,data:w},w.levels)}catch(w){self.postMessage({url:y,err:w}

17032,null)}},v=(y,S)=>{const T=(w,C)=>(WebAssembly.instantiate(y.module,w).then(b=>{C(b)}).catch(b=>{console.error(`instantiate failed + ${b}`)}),{});self.BASIS(y.module?{instantiateWasm:T}:null).then(w=>{w.initializeBasis(),c=w,h=y.rgbPriority,d=y.rgbaPriority,S(null)})},x=[];self.onmessage=y=>{const S=y.data;switch(S.type){case"init":v(S.config,()=>{for(let T=0;T<x.length;++T)g(x[T].url,x[T].data,x[T].options);x.length=0});break;case"transcode":c?g(S.url,S.data,S.options):x.push(S);break}}}const gW=l=>({astc:!!l.extCompressedTextureASTC,atc:!!l.extCompressedTextureATC,dxt:!!l.extCompressedTextureS3TC,etc1:!!l.extCompressedTextureETC1,etc2:!!l.extCompressedTextureETC,pvr:!!l.extCompressedTexturePVRTC}),vW=(l,e)=>{const t=a=>{const n=["/* basis */",a,"",`(${_W.toString()})()
17033
17034`].join(`
17035`);return new Blob([n],{type:"application/javascript"})},s=()=>{try{if(typeof WebAssembly=="object"&&typeof WebAssembly.instantiate=="function"){const a=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(a instanceof WebAssembly.Module)return new WebAssembly.Instance(a)instanceof WebAssembly.Instance}}catch{}return!1},i=(a,n)=>{e(null,{workerUrl:URL.createObjectURL(t(a)),module:n,rgbPriority:l.rgbPriority,rgbaPriority:l.rgbaPriority})},r={cache:!0,responseType:"text",retry:l.maxRetries>0,maxRetries:l.maxRetries};if(l.glueUrl&&l.wasmUrl&&s()){let a=null,n=null;ht.get(l.glueUrl,r,(h,d)=>{h?e(h):n?i(d,n):a=d});const o=fetch(l.wasmUrl),c=()=>{o.then(h=>h.arrayBuffer()).then(h=>WebAssembly.compile(h)).then(h=>{a?i(a,h):n=h}).catch(h=>{e(h,null)})};WebAssembly.compileStreaming?WebAssembly.compileStreaming(o).then(h=>{a?i(a,h):n=h}).catch(h=>{c()}):c()}else ht.get(l.fallbackUrl,r,(a,n)=>{a?e(a,null):i(n,null)})};class SW{constructor(){this.callbacks={},this.queue=[],this.clients=[]}enqueueJob(e,t,s,i){if(this.callbacks.hasOwnProperty(e))this.callbacks[e].push(s);else{this.callbacks[e]=[s];const r={url:e,data:t,options:i};this.clients.length>0?this.clients.shift().run(r):this.queue.push(r)}}enqueueClient(e){this.queue.length>0?e.run(this.queue.shift()):this.clients.push(e)}handleResponse(e,t,s){const i=this.callbacks[e];if(t)for(let r=0;r<i.length;++r)i[r](t);else{s.format===Dc||s.format===Mc?s.levels=s.levels.map(r=>new Uint16Array(r)):s.levels=s.levels.map(r=>new Uint8Array(r));for(let r=0;r<i.length;++r)i[r](null,s)}delete this.callbacks[e]}}class yW{constructor(e,t,s){this.queue=e,this.worker=new Worker(t.workerUrl),this.worker.addEventListener("message",i=>{const r=i.data;this.queue.handleResponse(r.url,r.err,r.data),this.eager||this.queue.enqueueClient(this)}),this.worker.postMessage({type:"init",config:t}),this.eager=s}run(e){const t=[];e.data instanceof ArrayBuffer&&t.push(e.data),this.worker.postMessage({type:"transcode",url:e.url,format:e.format,data:e.data,options:e.options},t),this.eager&&this.queue.enqueueClient(this)}}const xW=1,TW=["etc2","etc1","astc","dxt","pvr","atc"],wW=["astc","dxt","etc2","pvr","atc"],CW=5,N_=new SW;let Y0=null,k_=!1;function EW(l){if(!k_){if(!l)l=Y0||{};else if(l.lazyInit){Y0=l;return}if(!l.glueUrl||!l.wasmUrl||!l.fallbackUrl){const e=Ix.getConfig("BASIS");e&&(l={glueUrl:e.glueUrl,wasmUrl:e.wasmUrl,fallbackUrl:e.fallbackUrl,numWorkers:e.numWorkers})}if(l.glueUrl||l.wasmUrl||l.fallbackUrl){k_=!0;const e=Math.max(1,Math.min(16,l.numWorkers||xW)),t=l.numWorkers===1||(l.hasOwnProperty("eagerWorkers")?l.eagerWorkers:!0);l.rgbPriority=l.rgbPriority||TW,l.rgbaPriority=l.rgbaPriority||wW,l.maxRetries=l.hasOwnProperty("maxRetries")?l.maxRetries:CW,vW(l,(s,i)=>{if(s)console.error(`failed to initialize basis worker: ${s}`);else for(let r=0;r<e;++r)N_.enqueueClient(new yW(N_,i,t))})}}}let wm=null;function DC(l,e,t,s,i){return EW(),wm||(wm={formats:gW(l)}),N_.enqueueJob(e,t,s,{deviceDetails:wm,isGGGR:!!i?.isGGGR,isKTX2:!!i?.isKTX2}),k_}class Jo{load(e,t,s){throw new Error("not implemented")}open(e,t,s){throw new Error("not implemented")}}class bW extends Jo{constructor(e,t){super(),this.device=t,this.maxRetries=0}load(e,t,s){const i=this.device,r=a=>{DC(i,e.load,a,t,{isGGGR:(s?.file?.variants?.basis?.opt&8)!==0})||t(`Basis module not found. Asset [${s.name}](${s.getFileUrl()}) basis texture variant will not be loaded.`)};pe.fetchArrayBuffer(e.load,(a,n)=>{a?t(a):r(n)},s,this.maxRetries)}open(e,t,s,i={}){const r=i.srgb?of(t.format):t.format,a=new ce(s,{name:e,addressU:t.cubemap?ue:Ft,addressV:t.cubemap?ue:Ft,width:t.width,height:t.height,format:r,cubemap:t.cubemap,levels:t.levels,...i});return a.upload(),a}}class AW extends Jo{constructor(e,t){super(),this.crossOrigin=e.prefix?"anonymous":null,this.maxRetries=0,this.device=t}load(e,t,s){const i=!!s?.file?.contents;if(i){if(this.device.supportsImageBitmap){this._loadImageBitmapFromBlob(new Blob([s.file.contents]),t);return}e={load:URL.createObjectURL(new Blob([s.file.contents])),original:e.original}}const r=(n,o)=>{i&&URL.revokeObjectURL(e.load),t(n,o)};let a;s&&s.options&&s.options.hasOwnProperty("crossOrigin")?a=s.options.crossOrigin:Vo.test(e.load)&&(a=this.crossOrigin),this.device.supportsImageBitmap?this._loadImageBitmap(e.load,e.original,a,r,s):this._loadImage(e.load,e.original,a,r,s)}open(e,t,s,i={}){const r=new ce(s,{name:e,width:t.width,height:t.height,format:i.srgb?us:Re,...i});return r.setSource(t),r}_loadImage(e,t,s,i,r){const a=new Image;s&&(a.crossOrigin=s);let n=0;const o=this.maxRetries;let c;const h=1024*1024;r?.fire("progress",0,h),a.onload=function(){r?.fire("progress",h,h),i(null,a)},a.onerror=function(){if(!c)if(o>0&&++n<=o){const d=Math.pow(2,n)*100;console.log(`Error loading Texture from: '${t}' - Retrying in ${d}ms...`);const f=e.indexOf("?")>=0?"&":"?";c=setTimeout(()=>{a.src=`${e+f}retry=${Date.now()}`,c=null},d)}else i(`Error loading Texture from: '${t}'`)},a.src=e}_loadImageBitmap(e,t,s,i,r){const a={cache:!0,responseType:"blob",retry:this.maxRetries>0,maxRetries:this.maxRetries,progress:r};ht.get(e,a,(n,o)=>{n?i(n):this._loadImageBitmapFromBlob(o,i)})}_loadImageBitmapFromBlob(e,t){createImageBitmap(e,{premultiplyAlpha:"none",colorSpaceConversion:"none"}).then(s=>

17035t(null,s)).catch(s=>t(s))}}const Cm=[1481919403,3140563232,169478669],PW={33776:Rc,33778:Ru,33779:Ho,36196:Fc,37492:Ou,37496:Bu,35840:Oc,35841:Wo,35842:Bc,35843:Xo,32849:Er,32856:Re,35905:Fu,35907:us,35898:tn,34843:Lc,34842:Ge};function IW(l,e,t,s){return l===tn?new Uint32Array(e,t,s/4):new Uint8Array(e,t,s)}class DW extends Jo{constructor(e){super(),this.maxRetries=0}load(e,t,s){pe.fetchArrayBuffer(e.load,t,s,this.maxRetries)}open(e,t,s,i={}){const r=this.parse(t);if(!r)return null;const a=i.srgb?of(r.format):r.format,n=new ce(s,{name:e,addressU:r.cubemap?ue:Ft,addressV:r.cubemap?ue:Ft,width:r.width,height:r.height,format:a,cubemap:r.cubemap,levels:r.levels,...i});return n.upload(),n}parse(e){const t=new Uint32Array(e);if(Cm[0]!==t[0]||Cm[1]!==t[1]||Cm[2]!==t[2])return null;const s={endianness:t[3],glType:t[4],glTypeSize:t[5],glFormat:t[6],glInternalFormat:t[7],glBaseInternalFormat:t[8],pixelWidth:t[9],pixelHeight:t[10],pixelDepth:t[11],numberOfArrayElements:t[12],numberOfFaces:t[13],numberOfMipmapLevels:t[14],bytesOfKeyValueData:t[15]};if(s.pixelDepth>1||s.numberOfArrayElements!==0)return null;const i=PW[s.glInternalFormat];if(i===void 0)return null;let r=16+s.bytesOfKeyValueData/4;const a=s.numberOfFaces>1,n=[];for(let o=0;o<(s.numberOfMipmapLevels||1);o++){const c=t[r++];a&&n.push([]);const h=a?n[o]:n;for(let d=0;d<(a?6:1);++d)h.push(IW(i,e,r*4,c)),r+=c+3>>2}return{format:i,width:s.pixelWidth,height:s.pixelHeight,levels:n,cubemap:a}}}const MW={KHR_DF_MODEL_UASTC:166};class RW extends Jo{constructor(e,t){super(),this.maxRetries=0,this.device=t}load(e,t,s){pe.fetchArrayBuffer(e.load,(i,r)=>{i?t(i,r):this.parse(r,e,t,s)},s,this.maxRetries)}open(e,t,s,i={}){const r=i.srgb?of(t.format):t.format,a=new ce(s,{name:e,addressU:t.cubemap?ue:Ft,addressV:t.cubemap?ue:Ft,width:t.width,height:t.height,format:r,cubemap:t.cubemap,levels:t.levels,...i});return a.upload(),a}parse(e,t,s,i){const r=new Dx(e),a=[r.readU32be(),r.readU32be(),r.readU32be()];if(a[0]!==2873840728||a[1]!==540160187||a[2]!==218765834)return null;const n={vkFormat:r.readU32(),typeSize:r.readU32(),pixelWidth:r.readU32(),pixelHeight:r.readU32(),pixelDepth:r.readU32(),layerCount:r.readU32(),faceCount:r.readU32(),levelCount:r.readU32(),supercompressionScheme:r.readU32()},o={dfdByteOffset:r.readU32(),dfdByteLength:r.readU32(),kvdByteOffset:r.readU32(),kvdByteLength:r.readU32(),sgdByteOffset:r.readU64(),sgdByteLength:r.readU64()},c=[];for(let u=0;u<Math.max(1,n.levelCount);++u)c.push({byteOffset:r.readU64(),byteLength:r.readU64(),uncompressedByteLength:r.readU64()});if(r.readU32()!==o.kvdByteOffset-o.dfdByteOffset)return null;r.skip(8);const d=r.readU8();r.skip(o.dfdByteLength-9),r.skip(o.kvdByteLength),n.supercompressionScheme===1||d===MW.KHR_DF_MODEL_UASTC?DC(this.device,t.load,e,s,{isGGGR:(i?.file?.variants?.basis?.opt&8)!==0,isKTX2:!0})||s(`Basis module not found. Asset [${i.name}](${i.getFileUrl()}) basis texture variant will not be loaded.`):s("unsupported KTX2 pixel format")}}class LW extends Jo{constructor(e){super(),this.maxRetries=0}load(e,t,s){pe.fetchArrayBuffer(e.load,t,s,this.maxRetries)}open(e,t,s,i={}){const r=new Uint32Array(t,0,32),a=r[4],n=r[3],o=Math.max(r[7],1),c=r[20]===4,h=r[21],d=r[22],u=r[28]===65024,f=827611204,p=894720068,m=113,_=116,g=826496069,v=825438800,x=825504336,y=825439312,S=825504848;let T=!1,w=!1,C=!1,b=!1,I=null,P=1,L;if(c?h===f?(I=Rc,T=!0):h===p?(I=Ho,T=!0):h===m?(I=Ge,P=2):h===_?(I=mt,P=4):h===g?(I=Fc,T=!0,w=!0):h===v||h===x?(I=h===v?Wo:Xo,T=!0,C=!0):(h===y||h===S)&&(I=h===y?Oc:Bc,T=!0,b=!0):d===32&&(I=Re),!I)return L=new ce(s,{width:4,height:4,format:Er,name:"dds-legacy-empty"}),L;L=new ce(s,{name:e,addressU:u?ue:Ft,addressV:u?ue:Ft,width:a,height:n,format:I,cubemap:u,mipmaps:o>1,...i});let O=128;const D=u?6:1;let N;const k=4,A=4,M=h===f?8:16;let R,F,U;for(let B=0;B<D;B++){let z=a,$=n;for(let K=0;K<o;K++){T?w?N=Math.floor((z+3)/4)*Math.floor(($+3)/4)*8:C?N=Math.max(z,16)*Math.max($,8)/4:b?N=Math.max(z,8)*Math.max($,8)/2:(R=Math.floor((z+k-1)/k),F=Math.floor(($+A-1)/A),U=R*F,N=U*M):N=z*$*4;const Y=I===mt?new Float32Array(t,O,N):I===Ge?new Uint16Array(t,O,N):new Uint8Array(t,O,N);u?(L._levels[K]||(L._levels[K]=[]),L._levels[K][B]=Y):L._levels[K]=Y,O+=N*P,z=Math.max(z*.5,1),$=Math.max($*.5,1)}}return L.upload(),L}}class FW extends Jo{constructor(e){super(),this.maxRetries=0}load(e,t,s){pe.fetchArrayBuffer(e.load,t,s,this.maxRetries),s.data&&!s.data.type&&(s.data.type=eu)}open(e,t,s,i={}){const r=this.parse(t);if(!r)return null;const a=new ce(s,{name:e,addressU:Ft,addressV:ue,minFilter:Fe,magFilter:Fe,width:r.width,height:r.height,levels:r.levels,format:Re,type:eu,mipmaps:!1,...i});return a.upload(),a}parse(e){const t=new Dx(e);if(!t.readLine().startsWith("#?RADIANCE"))return null;const i={};for(;;){const c=t.readLine();if(c.length===0)break;{const h=c.split("=");h.length===2&&(i[h[0]]=h[1])}}if(!i.hasOwnProperty("FORMAT"))return null;const r=t.readLine().split(" ");if(r.length!==4)return null;const a=parseInt(r[1],10),n=parseInt(r[3],10),o=this._readPixels(t,n,a,r[0]==="-Y");return o?{width:n,height:a,levels:[o]}:null}_readPixels(e,t,s,i){if(t<8||t>

1703532767)return this._readPixelsFlat(e,t,s);const r=[0,0,0,0];if(e.readArray(r),r[0]!==2||r[1]!==2||(r[2]&128)!==0)return e.skip(-4),this._readPixelsFlat(e,t,s);const a=new ArrayBuffer(t*s*4),n=new Uint8Array(a);let o=i?0:t*4*(s-1),c,h,d,u,f,p;for(h=0;h<s;++h){if(h&&e.readArray(r),(r[2]<<8)+r[3]!==t)return null;for(u=0;u<4;++u)for(c=0;c<t;)if(f=e.readU8(),f>128){if(f-=128,c+f>t)return null;for(p=e.readU8(),d=0;d<f;++d)n[o+u+4*c++]=p}else{if(f===0||c+f>t)return null;for(d=0;d<f;++d)n[o+u+4*c++]=e.readU8()}o+=t*4*(i?1:-1)}return n}_readPixelsFlat(e,t,s){return e.remainingBytes===t*s*4?new Uint8Array(e.arraybuffer,e.offset):null}}const j0={repeat:Ft,clamp:ue,mirror:Iu},q0={nearest:Fe,linear:It,nearest_mip_nearest:Ac,linear_mip_nearest:Ic,nearest_mip_linear:Pc,linear_mip_linear:ia},OW={default:Qs,rgbm:wr,rgbe:eu,rgbp:ac,swizzleGGGR:nc},BW=function(l){const e=Xt.calcMipLevelsCount(l._width,l._height),t=function(i){return i instanceof HTMLCanvasElement||i instanceof HTMLImageElement||i instanceof HTMLVideoElement};if(!(l._format===Re||l._format===mt)||l._volume||l._compressed||l._levels.length===1||l._levels.length===e||t(l._cubemap?l._levels[0][0]:l._levels[0]))return;const s=function(i,r,a){const n=Math.max(1,i>>1),o=Math.max(1,r>>1),c=new a.constructor(n*o*4),h=Math.floor(i/n),d=Math.floor(r/o),u=h*d;for(let f=0;f<o;++f)for(let p=0;p<n;++p)for(let m=0;m<4;++m){let _=0;for(let g=0;g<d;++g)for(let v=0;v<h;

17035++v)_+=a[(p*h+v+(f*d+g)*i)*4+m];c[(p+f*n)*4+m]=_/u}return c};for(let i=l._levels.length;i<e;++i){const r=Math.max(1,l._width>>i-1),a=Math.max(1,l._height>>i-1);if(l._cubemap){const n=[];for(let o=0;o<6;++o)n.push(s(r,a,l._levels[i-1][o]));l._levels.push(n)}else l._levels.push(s(r,a,l._levels[i-1]))}l._levelsUpdated=l._cubemap?[[!0,!0,!0,!0,!0,!0]]:[!0]};class NW extends dt{constructor(e){super(e,"texture");const t=e.assets,s=e.graphicsDevice;this._device=s,this._assets=t,this.imgParser=new AW(t,s),this.parsers={dds:new LW(t),ktx:new DW(t),ktx2:new RW(t,s),basis:new bW(t,s),hdr:new FW(t)}}set crossOrigin(e){this.imgParser.crossOrigin=e}get crossOrigin(){return this.imgParser.crossOrigin}set maxRetries(e){this.imgParser.maxRetries=e;for(const t in this.parsers)this.parsers.hasOwnProperty(t)&&(this.parsers[t].maxRetries=e)}get maxRetries(){return this.imgParser.maxRetries}_getUrlWithoutParams(e){return e.indexOf("?")>=0?e.split("?")[0]:e}_getParser(e){const t=ve.getExtension(this._getUrlWithoutParams(e)).toLowerCase().replace(".","");return this.parsers[t]||this.imgParser}_getTextureOptions(e){const t={};if(e){e.name?.length>0&&(t.name=e.name);const s=e.data;s.hasOwnProperty("minfilter")&&(t.minFilter=q0[s.minfilter]),s.hasOwnProperty("magfilter")&&(t.magFilter=q0[s.magfilter]),s.hasOwnProperty("addressu")&&(t.addressU=j0[s.addressu]),s.hasOwnProperty("addressv")&&(t.addressV=j0[s.addressv]),s.hasOwnProperty("mipmaps")&&(t.mipmaps=s.mipmaps),s.hasOwnProperty("anisotropy")&&(t.anisotropy=s.anisotropy),s.hasOwnProperty("flipY")&&(t.flipY=!!s.flipY),s.hasOwnProperty("srgb")&&(t.srgb=!!s.srgb),t.type=Qs,s.hasOwnProperty("type")?t.type=OW[s.type]:s.hasOwnProperty("rgbm")&&s.rgbm?t.type=wr:e.file&&(e.file.opt&8)!==0&&(t.type=nc)}return t}load(e,t,s){typeof e=="string"&&(e={load:e,original:e}),this._getParser(e.original).load(e,t,s)}open(e,t,s){if(!e)return;const i=this._getTextureOptions(s);let r=this._getParser(e).open(e,t,this._device,i);return r===null?r=new ce(this._device,{width:4,height:4,format:Er}):(BW(r),t.unswizzledGGGR&&(s.file.variants.basis.opt&=-9)),r}patch(e,t){const s=e.resource;if(!s)return;const i=this._getTextureOptions(e);for(const r of Object.keys(i))s[r]=i[r]}}const kW="inline",UW="immersive-vr",Ql="immersive-ar",$0="viewer",zW="left",VW="cpu-optimized",MC="gpu-optimized",RC="luminance-alpha",LC="unsigned-short",FC="float32";class GW{_manager;_supported=Ce.browser&&!!window.XRDOMOverlayState;_root=null;constructor(e){this._manager=e}get supported(){return this._supported}get available(){return this._supported&&this._manager.active&&this._manager._session.domOverlayState!==null}get state(){return!this._supported||!this._manager.active||!this._manager._session.domOverlayState?null:this._manager._session.domOverlayState.type}set root(e){!this._supported||this._manager.active||(this._root=e)}get root(){return this._root}}const ud=[],K0=[];class HW extends ge{static EVENT_REMOVE="remove";static EVENT_RESULT="result";manager;_xrHitTestSource;_transient;_inputSource;constructor(e,t,s,i=null){super(),this.manager=e,this._xrHitTestSource=t,this._transient=s,this._inputSource=i}remove(){if(!this._xrHitTestSource)return;const e=this.manager.hitTest.sources,t=e.indexOf(this);t!==-1&&e.splice(t,1),this.onStop()}onStop(){this._xrHitTestSource.cancel(),this._xrHitTestSource=null,this.fire("remove"),this.manager.hitTest.fire("remove",this)}update(e){if(this._transient){const t=e.getHitTestResultsForTransientInput(this._xrHitTestSource);for(let s=0;s<t.length;s++){const i=t[s];if(!i.results.length)continue;let r;i.inputSource&&(r=this.manager.input._getByInputSource(i.inputSource)),this.updateHitResults(i.results,r)}}else{const t=e.getHitTestResults(this._xrHitTestSource);if(!t.length)return;this.updateHitResults(t)}}updateHitResults(e,t){if(this._inputSource&&this._inputSource!==t)return;const s=ud.pop()??new E;t?s.copy(t.getOrigin()):s.copy(this.manager.camera.getPosition());let i=1/0,r=null;const a=ud.pop()??new E,n=K0.pop()??new ae;for(let o=0;o<e.length;o++){const c=e[o].getPose(this.manager._referenceSpace),h=s.distance(c.transform.position);h>=i||(i=h,r=e[o],a.copy(c.transform.position),n.copy(c.transform.orientation))}this.fire("result",a,n,t||this._inputSource,r),this.manager.hitTest.fire("result",this,a,n,t||this._inputSource,r),ud.push(s),ud.push(a),K0.push(n)}}class WW extends ge{static EVENT_AVAILABLE="available";static EVENT_UNAVAILABLE="unavailable";static EVENT_ADD="add";static EVENT_REMOVE="remove";static EVENT_RESULT="result";static EVENT_ERROR="error";manager;_supported=Ce.browser&&!!(window.XRSession&&window.XRSession.prototype.requestHitTestSource);_available=!1;_checkingAvailability=!1;sources=[];constructor(e){super(),this.manager=e,this._supported&&(this.manager.on("start",this._onSessionStart,this),this.manager.on("end",this._onSessionEnd,this))}

17035_onSessionStart(){if(this.manager.session.enabledFeatures){const e=this.manager.session.enabledFeatures.indexOf("hit-test")!==-1;if(!e)return;this._available=e,this.fire("available")}else this._checkingAvailability||(this._checkingAvailability=!0,this.manager.session.requestReferenceSpace($0).then(e=>{this.manager.session.requestHitTestSource({space:e}).then(t=>{t.cancel(),this.manager.active&&(this._available=!0,this.fire("available"))}).catch(()=>{})}).catch(()=>{}))}_onSessionEnd(){if(this._available){this._available=!1;for(let e=0;e<this.sources.length;e++)this.sources[e].onStop();this.sources=[],this.fire("unavailable")}}start(e={}){if(!this._supported){e.callback?.(new Error("XR HitTest is not supported"),null);return}if(!this._available){e.callback?.(new Error("XR HitTest is not available"),null);return}!e.profile&&!e.spaceType&&(e.spaceType=$0);let t;const s=e.offsetRay;if(s){const r=new DOMPoint(s.origin.x,s.origin.y,s.origin.z,1),a=new DOMPoint(s.direction.x,s.direction.y,s.direction.z,0);t=new XRRay(r,a)}const i=e.callback;e.spaceType?this.manager.session.requestReferenceSpace(e.spaceType).then(r=>{if(!this.manager.session){const a=new Error("XR Session is not started (2)");i&&i(a),this.fire("error",a);return}this.manager.session.requestHitTestSource({space:r,entityTypes:e.entityTypes||void 0,offsetRay:t}).then(a=>{this._onHitTestSource(a,!1,e.inputSource,i)}).catch(a=>{i&&i(a),this.fire("error",a)})}).catch(r=>{i&&i(r),this.fire("error",r)}):this.manager.session.requestHitTestSourceForTransientInput({profile:e.profile,entityTypes:e.entityTypes||void 0,offsetRay:t}).then(r=>{this._onHitTestSource(r,!0,e.inputSource,i)}).catch(r=>{i&&i(r),this.fire("error",r)})}_onHitTestSource(e,t,s,i){if(!this.manager.session){e.cancel();const a=new Error("XR Session is not started (3)");i&&i(a),this.fire("error",a);return}const r=new HW(this.manager,e,t,s??null);this.sources.push(r),i&&i(null,r),this.fire("add",r)}update(e){if(this._available)for(let t=0;t<this.sources.length;t++)this.sources[t].update(e)}get supported(){return this._supported}get available(){return this._available}}class XW extends ge{static EVENT_TRACKED="tracked";static EVENT_UNTRACKED="untracked";_image;_width;_bitmap=null;_measuredWidth=0;_trackable=!1;_tracking=!1;_emulated=!1;_pose=null;_position=new E;_rotation=new ae;constructor(e,t){super(),this._image=e,this._width=t}get image(){return this._image}set width(e){this._width=e}get width(){return this._width}get trackable(){return this._trackable}get tracking(){return this._tracking}get emulated(){return this._emulated}prepare(){return this._bitmap?{image:this._bitmap,widthInMeters:this._width}:createImageBitmap(this._image).then(e=>(this._bitmap=e,{image:this._bitmap,widthInMeters:this._width}))}destroy(){this._image=null,this._pose=null,this._bitmap&&(this._bitmap.close(),this._bitmap=null)}getPosition(){return this._pose&&this._position.copy(this._pose.transform.position),this._position}getRotation(){return this._pose&&this._rotation.copy(this._pose.transform.orientation),this._rotation}}class YW extends ge{static EVENT_ERROR="error";_manager;_supported=Ce.browser&&!!window.XRImageTrackingResult;_available=!1;_images=[];constructor(e){super(),this._manager=e,this._supported&&(this._manager.on("start",this._onSessionStart,this),this._manager.on("end",this._onSessionEnd,this))}add(e,t){if(!this._supported||this._manager.active)return null;const s=new XW(e,t);return this._images.push(s),s}remove(e){if(this._manager.active)return;const t=this._images.indexOf(e);t!==-1&&(e.destroy(),this._images.splice(t,1))}_onSessionStart(){this._manager.session.getTrackedImageScores().then(e=>{this._available=!0;for(let t=0;t<e.length;t++)this._images[t]._trackable=e[t]==="trackable"}).catch(e=>{this._available=!1,this.fire("error",e)})}_onSessionEnd(){this._available=!1;for(let e=0;e<this._images.length;e++){const t=this._images[e];t._pose=null,t._measuredWidth=0,t._tracking&&(t._tracking=!1,t.fire("untracked"))}}prepareImages(e){this._images.length?Promise.all(this._images.map(t=>t.prepare())).then(t=>{e(null,t)}).catch(t=>{e(t,null)}):e(null,null)}update(e){if(!this._available)return;const t=e.getImageTrackingResults(),s={};for(let i=0;i<t.length;i++){s[t[i].index]=t[i];const r=this._images[t[i].index];r._emulated=t[i].trackingState==="emulated",r._measuredWidth=t[i].measuredWidthInMeters,r._pose=e.getPose(t[i].imageSpace,this._manager._referenceSpace)}for(let i=0;i<this._images.length;i++)this._images[i]._tracking&&!s[i]?(this._images[i]._tracking=!1,this._images[i].fire("untracked")):!this._images[i]._tracking&&s[i]&&(this._images[i]._tracking=!0,this._images[i].fire("tracked"))}get supported(){return this._supported}get available(){return this._available}get images(){return this._images}}class jW{_index;_hand;_joints=[];_tip=null;constructor(e,t){this._index=e,this._hand=t,this._hand._fingers.push(this)}get index(){return this._index}get hand(){return this._hand}get joints(){return this._joints}get tip(){return this._tip}}const Z0=Ce.browser&&window.XRHand?["thumb-tip","index-finger-tip","middle-finger-tip","ring-finger-tip","pinky-finger-tip"]:[],OC={};for(let l=0;l<Z0.length;l++)OC[Z0[l]]=!0;class Q0{_index;_id;_hand;_finger;_wrist;_tip;_radius=null;_localTransform=new Z;_worldTransform=new Z;_localPosition=new E;_localRotation=new ae;_position=new E;_rotation=new ae;_dirtyLocal=!0;constructor(e,t,s,i=null){this._index=e,this._id=t,this._hand=s,this._finger=i,this._wrist=t==="wrist",this._tip=this._finger&&!!OC[t]}update(e){this._dirtyLocal=!0,this._radius=e.radius,this._localPosition.copy(e.transform.position),this._localRotation.copy(e.transform.orientation)}_updateTransforms(){this._dirtyLocal&&(this._dirtyLocal=!1,this._localTransform.setTRS(this._localPosition,this._localRotation,E.ONE));const t=this._hand._manager.camera.parent;t?this._worldTransform.mul2(t.getWorldTransform(),this._localTransform):this._worldTransform.copy(this._localTransform)}getPosition(){return this._updateTransforms(),this._worldTransform.getTranslation(this._position),this._position}getRotation(){return this._updateTransforms(),this._rotation.setFromMat4(this._worldTransform),this._rotation}get id(){return this._id}get index(){return this._index}get hand(){return this._hand}get finger(){return this._finger}get wrist(){return this._wrist}get tip(){return this._tip}get radius(){return this._radius||.005}}let Nd=[];const Ba=new E,fd=new E,J0=new E;Ce.browser&&window.XRHand&&(Nd=[["thumb-metacarpal","thumb-phalanx-proximal","thumb-phalanx-distal","thumb-tip"],["index-finger-metacarpal","index-finger-phalanx-proximal","index-finger-phalanx-intermediate","index-finger-phalanx-distal","index-finger-tip"],["middle-finger-metacarpal","middle-finger-phalanx-proximal","middle-finger-phalanx-intermediate","middle-finger-phalanx-distal","middle-finger-tip"],["ring-finger-metacarpal","ring-finger-phalanx-proximal","ring-finger-phalanx-intermediate","ring-finger-phalanx-distal","ring-finger-tip"],["pinky-finger-metacarpal","pinky-finger-phalanx-proximal","pinky-finger-phalanx-intermediate","pinky-finger-phalanx-distal","pinky-finger-tip"]]);class qW extends ge{static EVENT_TRACKING="tracking";static EVENT_TRACKINGLOST="trackinglost";_manager;_inputSource;_tracking=!1;_fingers=[];_joints=[];_jointsById={};_tips=[];_wrist=null;constructor(e){super();const t=e._xrInputSource.hand;if(this._manager=e._manager,this._inputSource=e,t.get("wrist")){const s=new Q0(0,"wrist",this,null);this._wrist=s,this._joints.push(s),this._jointsById.wrist=s}for(let s=0;s<Nd.length;s++){const i=new jW(s,this);for(let r=0;r<Nd[s].length;r++){const a=Nd[s][r];if(!t.get(a))continue;const n=new Q0(r,a,this,i);this._joints.push(n),this._jointsById[a]=n,n.tip&&(this._tips.push(n),i._tip=n),i._joints.push(n)}}}update(e){const t=this._inputSource._xrInputSource;for(let h=0;h<this._joints.length;h++){const d=this._joints[h],u=t.hand.get(d._id);if(u){let f;if(e.session.visibilityState!=="hidden"&&(f=e.getJointPose(u,this._manager._referenceSpace)),f)d.update(f),d.wrist&&!this._tracking&&(this._tracking=!0,this.fire("tracking"));else if(d.wrist){this._tracking&&(this._tracking=!1,this.fire("trackinglost"));break}}}const s=this._jointsById["thumb-metacarpal"],i=this._jointsById["thumb-tip"],r=this._jointsById["index-finger-phalanx-proximal"],a=this._jointsById["index-finger-tip"],n=this._jointsById["ring-finger-phalanx-proximal"],o=this._jointsById["pinky-finger-phalanx-proximal"];if(s&&i&&r&&a&&n&&o){this._inputSource._dirtyRay=!0,this._inputSource._rayLocal.origin.lerp(i._localPosition,a._localPosition,.5);let h=s,d=o;if(this._inputSource.handedness===zW){const u=h;h=d,d=u}Ba.sub2(h._localPosition,this._wrist._localPosition),fd.sub2(d._localPosition,this._wrist._localPosition),J0.cross(Ba,fd).normalize(),Ba.lerp(r._localPosition,n._localPosition,.5),Ba.sub(this._wrist._localPosition).normalize(),this._inputSource._rayLocal.direction.lerp(J0,Ba,.5).normalize()}this._fingerIsClosed(1)&&this._fingerIsClosed(2)&&this._fingerIsClosed(3)&&this._fingerIsClosed(4)?this._inputSource._squeezing||(this._inputSource._squeezing=!0,this._inputSource.fire("squeezestart"),this._manager.input.fire("squeezestart",this._inputSource)):this._inputSource._squeezing&&(this._inputSource._squeezing=!1,this._inputSource.fire("squeeze"),this._manager.input.fire("squeeze",this._inputSource),this._inputSource.fire("squeezeend"),this._manager.input.fire("squeezeend",this._inputSource))}_fingerIsClosed(e){const t=this._fingers[e];return Ba.sub2(t.joints[0]._localPosition,t.joints[1]._localPosition).normalize(),fd.sub2(t.joints[2]._localPosition,t.joints[3]._localPosition).normalize(),Ba.dot(fd)<-.8}getJointById(e){return this._jointsById[e]||null}get fingers(){return this._fingers}get joints(){return this._joints}get tips(){return this._tips}get wrist(){return this._wrist}get tracking(){return this._tracking}}const ex=new E,tx=new ae;let $W=0;class Nf extends ge{static EVENT_REMOVE="remove";static EVENT_SELECT="select";static EVENT_SELECTSTART="selectstart";static EVENT_SELECTEND="selectend";

17035static EVENT_SQUEEZE="squeeze";static EVENT_SQUEEZESTART="squeezestart";static EVENT_SQUEEZEEND="squeezeend";static EVENT_HITTESTADD="hittest:add";static EVENT_HITTESTREMOVE="hittest:remove";static EVENT_HITTESTRESULT="hittest:result";_id;_manager;_xrInputSource;_ray=new km;_rayLocal=new km;_grip=!1;_hand=null;_velocitiesAvailable=!1;_velocitiesTimestamp=Gt();_localTransform=null;_worldTransform=null;_position=new E;_rotation=new ae;_localPosition=null;_localPositionLast=null;_localRotation=null;_linearVelocity=null;_dirtyLocal=!0;_dirtyRay=!1;_selecting=!1;_squeezing=!1;_elementInput=!0;_elementEntity=null;_hitTestSources=[];constructor(e,t){super(),this._id=++$W,this._manager=e,this._xrInputSource=t,t.hand&&(this._hand=new qW(this))}get id(){return this._id}get inputSource(){return this._xrInputSource}get targetRayMode(){return this._xrInputSource.targetRayMode}get handedness(){return this._xrInputSource.handedness}get profiles(){return this._xrInputSource.profiles}get grip(){return this._grip}get hand(){return this._hand}get gamepad(){return this._xrInputSource.gamepad||null}get selecting(){return this._selecting}get squeezing(){return this._squeezing}set elementInput(e){this._elementInput!==e&&(this._elementInput=e,this._elementInput||(this._elementEntity=null))}get elementInput(){return this._elementInput}get elementEntity(){return this._elementEntity}get hitTestSources(){return this._hitTestSources}update(e){if(this._hand)this._hand.update(e);else{const t=this._xrInputSource.gripSpace;if(t){const i=e.getPose(t,this._manager._referenceSpace);if(i){this._grip||(this._grip=!0,this._localTransform=new Z,this._worldTransform=new Z,this._localPositionLast=new E,this._localPosition=new E,this._localRotation=new ae,this._linearVelocity=new E);const r=Gt(),a=(r-this._velocitiesTimestamp)/1e3;this._velocitiesTimestamp=r,this._dirtyLocal=!0,this._localPositionLast.copy(this._localPosition),this._localPosition.copy(i.transform.position),this._localRotation.copy(i.transform.orientation),this._velocitiesAvailable=!0,this._manager.input.velocitiesSupported&&i.linearVelocity?this._linearVelocity.copy(i.linearVelocity):a>0&&(ex.sub2(this._localPosition,this._localPositionLast).divScalar(a),this._linearVelocity.lerp(this._linearVelocity,ex,.15))}else this._velocitiesAvailable=!1}const s=e.getPose(this._xrInputSource.targetRaySpace,this._manager._referenceSpace);s&&(this._dirtyRay=!0,this._rayLocal.origin.copy(s.transform.position),this._rayLocal.direction.set(0,0,-1),tx.copy(s.transform.orientation),tx.transformVector(this._rayLocal.direction,this._rayLocal.direction))}}_updateTransforms(){this._dirtyLocal&&(this._dirtyLocal=!1,this._localTransform.setTRS(this._localPosition,this._localRotation,E.ONE));const e=this._manager.camera.parent;e?this._worldTransform.mul2(e.getWorldTransform(),this._localTransform):this._worldTransform.copy(this._localTransform)}_updateRayTransforms(){const e=this._dirtyRay;this._dirtyRay=!1;const t=this._manager.camera.parent;if(t){const s=t.getWorldTransform();s.getTranslation(this._position),this._rotation.setFromMat4(s),this._rotation.transformVector(this._rayLocal.origin,this._ray.origin),this._ray.origin.add(this._position),this._rotation.transformVector(this._rayLocal.direction,this._ray.direction)}else e&&(this._ray.origin.copy(this._rayLocal.origin),this._ray.direction.copy(this._rayLocal.direction))}getPosition(){return this._grip?(this._updateTransforms(),this._worldTransform.getTranslation(this._position),this._position):null}getLocalPosition(){return this._localPosition}getRotation(){return this._grip?(this._updateTransforms(),this._rotation.setFromMat4(this._worldTransform),this._rotation):null}getLocalRotation(){return this._localRotation}getLinearVelocity(){return this._velocitiesAvailable?this._linearVelocity:null}getOrigin(){return this._updateRayTransforms(),this._ray.origin}getDirection(){return this._updateRayTransforms(),this._ray.direction}hitTestStart(e={}){e.inputSource=this,e.profile=this._xrInputSource.profiles[0];const t=e.callback;e.callback=(s,i)=>{i&&this.onHitTestSourceAdd(i),t&&t(s,i)},this._manager.hitTest.start(e)}onHitTestSourceAdd(e){this._hitTestSources.push(e),this.fire("hittest:add",e),e.on("result",(t,s,i,r)=>{i===this&&this.fire("hittest:result",e,t,s,r)}),e.once("remove",()=>{this.onHitTestSourceRemove(e),this.fire("hittest:remove",e)})}onHitTestSourceRemove(e){const t=this._hitTestSources.indexOf(e);t!==-1&&this._hitTestSources.splice(t,1)}}class KW extends ge{static EVENT_ADD="add";static EVENT_REMOVE="remove";static EVENT_SELECT="select";static EVENT_SELECTSTART="selectstart";static EVENT_SELECTEND="selectend";

17035static EVENT_SQUEEZE="squeeze";static EVENT_SQUEEZESTART="squeezestart";static EVENT_SQUEEZEEND="squeezeend";manager;_inputSources=[];_onInputSourcesChangeEvt;velocitiesSupported=!1;constructor(e){super(),this.manager=e,this.velocitiesSupported=!!(Ce.browser&&window.XRPose?.prototype?.hasOwnProperty("linearVelocity")),this._onInputSourcesChangeEvt=t=>{this._onInputSourcesChange(t)},this.manager.on("start",this._onSessionStart,this),this.manager.on("end",this._onSessionEnd,this)}_onSessionStart(){const e=this.manager.session;e.addEventListener("inputsourceschange",this._onInputSourcesChangeEvt),e.addEventListener("select",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i.fire("select",s),this.fire("select",i,s)}),e.addEventListener("selectstart",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i._selecting=!0,i.fire("selectstart",s),this.fire("selectstart",i,s)}),e.addEventListener("selectend",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i._selecting=!1,i.fire("selectend",s),this.fire("selectend",i,s)}),e.addEventListener("squeeze",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i.fire("squeeze",s),this.fire("squeeze",i,s)}),e.addEventListener("squeezestart",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i._squeezing=!0,i.fire("squeezestart",s),this.fire("squeezestart",i,s)}),e.addEventListener("squeezeend",s=>{const i=this._getByInputSource(s.inputSource);i.update(s.frame),i._squeezing=!1,i.fire("squeezeend",s),this.fire("squeezeend",i,s)});const t=e.inputSources;for(let s=0;s<t.length;s++)this._addInputSource(t[s])}_onSessionEnd(){let e=this._inputSources.length;for(;e--;){const s=this._inputSources[e];this._inputSources.splice(e,1),s.fire("remove"),this.fire("remove",s)}this.manager.session.removeEventListener("inputsourceschange",this._onInputSourcesChangeEvt)}_onInputSourcesChange(e){for(let t=0;t<e.removed.length;t++)this._removeInputSource(e.removed[t]);for(let t=0;t<e.added.length;t++)this._addInputSource(e.added[t])}_getByInputSource(e){for(let t=0;t<this._inputSources.length;t++)if(this._inputSources[t].inputSource===e)return this._inputSources[t];return null}_addInputSource(e){if(this._getByInputSource(e))return;const t=new Nf(this.manager,e);this._inputSources.push(t),this.fire("add",t)}_removeInputSource(e){for(let t=0;t<this._inputSources.length;t++){if(this._inputSources[t].inputSource!==e)continue;const s=this._inputSources[t];this._inputSources.splice(t,1);let i=s.hitTestSources.length;for(;i--;)s.hitTestSources[i].remove();s.fire("remove"),this.fire("remove",s);return}}update(e){for(let t=0;t<this._inputSources.length;t++)this._inputSources[t].update(e)}get inputSources(){return this._inputSources}}const io=new E,sx=new E,Em=new Z,ix=new Z;class ZW extends ge{static EVENT_AVAILABLE="available";static EVENT_ERROR="error";_manager;_supported=!1;_available=!1;_lightProbeRequested=!1;_lightProbe=null;_intensity=0;_rotation=new ae;_color=new Q;_sphericalHarmonics=new Float32Array(27);constructor(e){super(),this._manager=e,this._manager.on("start",this._onSessionStart,this),this._manager.on("end",this._onSessionEnd,this)}_onSessionStart(){this._manager.session.requestLightProbe&&(this._supported=!0)}_onSessionEnd(){this._supported=!1,this._available=!1,this._lightProbeRequested=!1,this._lightProbe=null}start(){let e;if(this._manager.session||(e=new Error("XR session is not running")),!e&&this._manager.type!==Ql&&(e=new Error("XR session type is not AR")),!e&&!this._supported&&(e=new Error("light-estimation is not supported")),(!e&&this._lightProbe||this._lightProbeRequested)&&(e=new Error("light estimation is already requested")),e){this.fire("error",e);return}this._lightProbeRequested=!0,this._manager.session.requestLightProbe().then(t=>{const s=this._lightProbeRequested;this._lightProbeRequested=!1,this._manager.active?s&&(this._lightProbe=t):this.fire("error",new Error("XR session is not active"))}).catch(t=>{this._lightProbeRequested=!1,this.fire("error",t)})}end(){this._lightProbeRequested=!1,this._lightProbe=null,this._available=!1}update(e){if(!this._lightProbe)return;const t=e.getLightEstimate(this._lightProbe);if(!t)return;this._available||(this._available=!0,this.fire("available"));const s=t.primaryLightIntensity;this._intensity=Math.max(1,Math.max(s.x,Math.max(s.y,s.z))),io.copy(s).mulScalar(1/this._intensity),this._color.set(io.x,io.y,io.z),io.set(0,0,0),sx.copy(t.primaryLightDirection),Em.setLookAt(sx,io,E.UP),ix.setFromAxisAngle(E.RIGHT,90),Em.mul(ix),this._rotation.setFromMat4(Em),this._sphericalHarmonics.set(t.sphericalHarmonicsCoefficients)}get supported(){return this._supported}get available(){return this._available}get intensity(){return this._available?this._intensity:null}get color(){return this._available?this._color:null}get rotation(){return this._available?this._rotation:null}get sphericalHarmonics(){return this._available?this._sphericalHarmonics:null}}let QW=0;class JW extends ge{static EVENT_REMOVE="remove";static EVENT_CHANGE="change";_id;_planeDetection;_xrPlane;_lastChangedTime;_orientation;_position=new E;_rotation=new ae;constructor(e,t){super(),this._id=++QW,this._planeDetection=e,this._xrPlane=t,this._lastChangedTime=t.lastChangedTime,this._orientation=t.orientation}destroy(){this._xrPlane&&(this._xrPlane=null,this.fire("remove"))}update(e){const t=this._planeDetection._manager,s=e.getPose(this._xrPlane.planeSpace,t._referenceSpace);s&&(this._position.copy(s.transform.position),this._rotation.copy(s.transform.orientation)),this._lastChangedTime!==this._xrPlane.last

17035ChangedTime&&(this._lastChangedTime=this._xrPlane.lastChangedTime,this.fire("change"))}getPosition(){return this._position}getRotation(){return this._rotation}get id(){return this._id}get orientation(){return this._orientation}get points(){return this._xrPlane.polygon}get label(){return this._xrPlane.semanticLabel||""}}class e5 extends ge{static EVENT_AVAILABLE="available";static EVENT_UNAVAILABLE="unavailable";static EVENT_ADD="add";static EVENT_REMOVE="remove";_manager;_supported=Ce.browser&&!!window.XRPlane;_available=!1;_planesIndex=new Map;_planes=[];constructor(e){super(),this._manager=e,this._supported&&(this._manager.on("start",this._onSessionStart,this),this._manager.on("end",this._onSessionEnd,this))}_onSessionStart(){this._manager.session.enabledFeatures&&this._manager.session.enabledFeatures.indexOf("plane-detection")!==-1&&(this._available=!0,this.fire("available"))}_onSessionEnd(){for(let e=0;e<this._planes.length;e++)this._planes[e].destroy(),this.fire("remove",this._planes[e]);this._planesIndex.clear(),this._planes.length=0,this._available&&(this._available=!1,this.fire("unavailable"))}update(e){if(!this._available)if(!this._manager.session.enabledFeatures&&e.detectedPlanes.size)this._available=!0,this.fire("available");else return;const t=e.detectedPlanes;for(const[s,i]of this._planesIndex)t.has(s)||(this._planesIndex.delete(s),this._planes.splice(this._planes.indexOf(i),1),i.destroy(),this.fire("remove",i));for(const s of t){let i=this._planesIndex.get(s);i?i.update(e):(i=new JW(this,s),this._planesIndex.set(s,i),this._planes.push(i),i.update(e),this.fire("add",i))}}get supported(){return this._supported}get available(){return this._available}get planes(){return this._planes}}class t5 extends ge{static EVENT_DESTROY="destroy";static EVENT_CHANGE="change";static EVENT_PERSIST="persist";static EVENT_FORGET="forget";_position=new E;_rotation=new ae;_uuid=null;_uuidRequests=null;constructor(e,t,s=null){super(),this._anchors=e,this._xrAnchor=t,this._uuid=s}destroy(){if(!this._xrAnchor)return;const e=this._xrAnchor;this._xrAnchor.delete(),this._xrAnchor=null,this.fire("destroy",e,this)}update(e){if(!this._xrAnchor)return;const t=e.getPose(this._xrAnchor.anchorSpace,this._anchors.manager._referenceSpace);if(t){if(this._position.equals(t.transform.position)&&this._rotation.equals(t.transform.orientation))return;this._position.copy(t.transform.position),this._rotation.copy(t.transform.orientation),this.fire("change")}}getPosition(){return this._position}getRotation(){return this._rotation}persist(e){if(!this._anchors.persistence){e?.(new Error("Persistent Anchors are not supported"),null);return}if(this._uuid){e?.(null,this._uuid);return}if(this._uuidRequests){e&&this._uuidRequests.push(e);return}this._uuidRequests=[],this._xrAnchor.requestPersistentHandle().then(t=>{this._uuid=t,this._anchors._indexByUuid.set(this._uuid,this),e?.(null,t);for(const s of this._uuidRequests)s(null,t);this._uuidRequests=null,this.fire("persist",t)}).catch(t=>{e?.(t,null);for(const s of this._uuidRequests)s(t,null);this._uuidRequests=null})}forget(e){if(!this._uuid){e?.(new Error("Anchor is not persistent"));return}this._anchors.forget(this._uuid,t=>{this._uuid=null,e?.(t),this.fire("forget")})}get uuid(){return this._uuid}get persistent(){return!!this._uuid}}class s5 extends ge{static EVENT_AVAILABLE="available";static EVENT_UNAVAILABLE="unavailable";static EVENT_ERROR="error";static EVENT_ADD="add";static EVENT_DESTROY="destroy";manager;

17035_supported=Ce.browser&&!!window.XRAnchor;_available=!1;_checkingAvailability=!1;_persistence=Ce.browser&&!!window?.XRSession?.prototype.restorePersistentAnchor;_creationQueue=[];_index=new Map;_indexByUuid=new Map;_list=[];_callbacksAnchors=new Map;constructor(e){super(),this.manager=e,this._supported&&(this.manager.on("start",this._onSessionStart,this),this.manager.on("end",this._onSessionEnd,this))}_onSessionStart(){const e=this.manager.session.enabledFeatures?.indexOf("anchors")>=0;e&&(this._available=e,this.fire("available"))}_onSessionEnd(){if(!this._available)return;this._available=!1;for(let t=0;t<this._creationQueue.length;t++)this._creationQueue[t].callback&&this._creationQueue[t].callback(new Error("session ended"),null);this._creationQueue.length=0,this._index.clear(),this._indexByUuid.clear();let e=this._list.length;for(;e--;)this._list[e].destroy();this._list.length=0,this.fire("unavailable")}_createAnchor(e,t=null){const s=new t5(this,e,t);return this._index.set(e,s),t&&this._indexByUuid.set(t,s),this._list.push(s),s.once("destroy",this._onAnchorDestroy,this),s}_onAnchorDestroy(e,t){this._index.delete(e),t.uuid&&this._indexByUuid.delete(t.uuid);const s=this._list.indexOf(t);s!==-1&&this._list.splice(s,1),this.fire("destroy",t)}

17035create(e,t,s){if(!this._available){s?.(new Error("Anchors API is not available"),null);return}if(window.XRHitTestResult&&e instanceof XRHitTestResult){const i=e;if(s=t,!this._supported){s?.(new Error("Anchors API is not supported"),null);return}if(!i.createAnchor){s?.(new Error("Creating Anchor from Hit Test is not supported"),null);return}i.createAnchor().then(r=>{const a=this._createAnchor(r);s?.(null,a),this.fire("add",a)}).catch(r=>{s?.(r,null),this.fire("error",r)})}else this._creationQueue.push({transform:new XRRigidTransform(e,t),callback:s})}restore(e,t){if(!this._available){t?.(new Error("Anchors API is not available"),null);return}if(!this._persistence){t?.(new Error("Anchor Persistence is not supported"),null);return}if(!this.manager.active){t?.(new Error("WebXR session is not active"),null);return}this.manager.session.restorePersistentAnchor(e).then(s=>{const i=this._createAnchor(s,e);t?.(null,i),this.fire("add",i)}).catch(s=>{t?.(s,null),this.fire("error",s)})}forget(e,t){if(!this._available){t?.(new Error("Anchors API is not available"));return}if(!this._persistence){t?.(new Error("Anchor Persistence is not supported"));return}if(!this.manager.active){t?.(new Error("WebXR session is not active"));return}this.manager.session.deletePersistentAnchor(e).then(()=>{t?.(null)}).catch(s=>{t?.(s),this.fire("error",s)})}update(e){if(!this._available){!this.manager.session.enabledFeatures&&!this._checkingAvailability&&(this._checkingAvailability=!0,e.createAnchor(new XRRigidTransform,this.manager._referenceSpace).then(t=>{t.delete(),this.manager.active&&(this._available=!0,this.fire("available"))}).catch(()=>{}));return}if(this._creationQueue.length){for(let t=0;t<this._creationQueue.length;t++){const s=this._creationQueue[t];e.createAnchor(s.transform,this.manager._referenceSpace).then(i=>{s.callback&&this._callbacksAnchors.set(i,s.callback)}).catch(i=>{s.callback&&s.callback(i,null),this.fire("error",i)})}this._creationQueue.length=0}for(const[t,s]of this._index)e.trackedAnchors.has(t)||(this._index.delete(t),s.destroy());for(let t=0;t<this._list.length;t++)this._list[t].update(e);for(const t of e.trackedAnchors){if(this._index.has(t))continue;try{const r=t.anchorSpace}catch{continue}const s=this._createAnchor(t);s.update(e);const i=this._callbacksAnchors.get(t);i&&(this._callbacksAnchors.delete(t),i(null,s)),this.fire("add",s)}}get supported(){return this._supported}get available(){return this._available}get persistence(){return this._persistence}get uuids(){return!this._available||!this._persistence||!this.manager.active?null:this.manager.session.persistentAnchors}get list(){return this._list}}class i5 extends ge{static EVENT_REMOVE="remove";static EVENT_CHANGE="change";_meshDetection;_xrMesh;_lastChanged=0;_position=new E;_rotation=new ae;constructor(e,t){super(),this._meshDetection=e,this._xrMesh=t,this._lastChanged=this._xrMesh.lastChangedTime}get xrMesh(){return this._xrMesh}get label(){return this._xrMesh.semanticLabel||""}get vertices(){return this._xrMesh.vertices}get indices(){return this._xrMesh.indices}destroy(){this._xrMesh&&(this._xrMesh=null,this.fire("remove"))}update(e){const t=this._meshDetection._manager,s=e.getPose(this._xrMesh.meshSpace,t._referenceSpace);s&&(this._position.copy(s.transform.position),this._rotation.copy(s.transform.orientation)),this._lastChanged!==this._xrMesh.lastChangedTime&&(this._lastChanged=this._xrMesh.lastChangedTime,this.fire("change"))}getPosition(){return this._position}getRotation(){return this._rotation}}class r5 extends ge{static EVENT_AVAILABLE="available";static EVENT_UNAVAILABLE="unavailable";static EVENT_ADD="add";static EVENT_REMOVE="remove";_manager;_supported=Ce.browser&&!!window.XRMesh;_available=!1;_index=new Map;_list=[];constructor(e){super(),this._manager=e,this._supported&&(this._manager.on("start",this._onSessionStart,this),this._manager.on("end",this._onSessionEnd,this))}update(e){if(!this._available)if(!this._manager.session.enabledFeatures&&e.detectedMeshes.size)this._available=!0,this.fire("available");else return;for(const t of e.detectedMeshes){let s=this._index.get(t);s?s.update(e):(s=new i5(this,t),this._index.set(t,s),this._list.push(s),s.update(e),this.fire("add",s))}for(const t of this._index.values())e.detectedMeshes.has(t.xrMesh)||this._removeMesh(t)}_removeMesh(e){this._index.delete(e.xrMesh),this._list.splice(this._list.indexOf(e),1),e.destroy(),this.fire("remove",e)}

17035_onSessionStart(){if(this._manager.session.enabledFeatures){const e=this._manager.session.enabledFeatures.indexOf("mesh-detection")!==-1;if(!e)return;this._available=e,this.fire("available")}}_onSessionEnd(){if(this._available){this._available=!1;for(const e of this._index.values())this._removeMesh(e);this.fire("unavailable")}}get supported(){return this._supported}get available(){return this._available}get meshes(){return this._list}}class a5 extends ge{static EVENT_DEPTHRESIZE="depth:resize";_manager;_xrView;_positionData=new Float32Array(3);_viewport=new ie;_projMat=new Z;_projViewOffMat=new Z;_viewMat=new Z;_viewOffMat=new Z;_viewMat3=new xi;_viewInvMat=new Z;_viewInvOffMat=new Z;_xrCamera=null;_textureColor=null;_textureDepth=null;_depthInfo=null;_emptyDepthBuffer=new Uint8Array(32);_depthMatrix=new Z;constructor(e,t,s){super(),this._manager=e,this._xrView=t;const i=this._manager.app.graphicsDevice;if(this._manager.views.supportedColor&&(this._xrCamera=this._xrView.camera,this._manager.views.availableColor&&this._xrCamera&&(this._textureColor=new ce(i,{format:Er,mipmaps:!1,addressU:ue,addressV:ue,minFilter:It,magFilter:It,width:this._xrCamera.width,height:this._xrCamera.height,name:`XrView-${this._xrView.eye}-Color`}))),this._manager.views.supportedDepth&&this._manager.views.availableDepth){const r=this._manager.views.depthGpuOptimized?Fe:It;this._textureDepth=new ce(i,{format:this._manager.views.depthPixelFormat,arrayLength:s===1?0:s,mipmaps:!1,addressU:ue,addressV:ue,minFilter:r,magFilter:r,width:4,height:4,name:`XrView-${this._xrView.eye}-Depth`});for(let a=0;a<this._textureDepth._levels.length;a++)this._textureDepth._levels[a]=this._emptyDepthBuffer;this._textureDepth.upload()}(this._textureColor||this._textureDepth)&&i.on("devicelost",this._onDeviceLost,this)}get textureColor(){return this._textureColor}get textureDepth(){return this._textureDepth}get depthUvMatrix(){return this._depthMatrix}get depthValueToMeters(){return this._depthInfo?.rawValueToMeters||0}get eye(){return this._xrView.eye}get viewport(){return this._viewport}get projMat(){return this._projMat}get projViewOffMat(){return this._projViewOffMat}get viewOffMat(){return this._viewOffMat}get viewInvOffMat(){return this._viewInvOffMat}get viewMat3(){return this._viewMat3}get positionData(){return this._positionData}update(e,t){this._xrView=t,this._manager.views.availableColor&&(this._xrCamera=this._xrView.camera);const s=this._manager.xrBridge.getViewport(e,this._xrView);this._viewport.x=s.x,this._viewport.y=s.y,this._viewport.z=s.width,this._viewport.w=s.height,this._projMat.set(this._xrView.projectionMatrix),this._viewMat.set(this._xrView.transform.inverse.matrix),this._viewInvMat.set(this._xrView.transform.matrix),this._updateTextureColor(),this._updateDepth(e)}_updateTextureColor(){!this._manager.views.availableColor||!this._xrCamera||!this._textureColor||this._manager.xrBridge?.syncCameraColorTexture(this._xrCamera,this._textureColor)}_updateDepth(e){if(!this._manager.views.availableDepth||!this._textureDepth)return;const t=this._manager.views.depthGpuOptimized,s=t?this._manager.graphicsBinding:e;if(!s){this._depthInfo=null;return}const i=s.getDepthInformation(this._xrView);if(!i){this._depthInfo=null;return}let r=!this._depthInfo!=!i;this._depthInfo=i;const a=this._depthInfo?.width||4,n=this._depthInfo?.height||4;let o=!1;(this._textureDepth.width!==a||this._textureDepth.height!==n)&&(this._textureDepth._width=a,this._textureDepth._height=n,r=!0,o=!0),r&&(this._depthInfo?this._depthMatrix.data.set(this._depthInfo.normDepthBufferFromNormView.matrix):this._depthMatrix.setIdentity()),this._depthInfo?t?this._manager.xrBridge?.syncCameraDepthTexture(this._depthInfo,this._textureDepth,this._manager.views.depthPixelFormat??Ti):(this._textureDepth._levels[0]=new Uint8Array(this._depthInfo.data),this._textureDepth.upload()):(this._textureDepth._levels[0]=this._emptyDepthBuffer,this._textureDepth.upload()),o&&this.fire("depth:resize",a,n)}updateTransforms(e){e?(this._viewInvOffMat.mul2(e,this._viewInvMat),this.viewOffMat.copy(this._viewInvOffMat).invert()):(this._viewInvOffMat.copy(this._viewInvMat),this.viewOffMat.copy(this._viewMat)),this._viewMat3.setFromMat4(this._viewOffMat),this._projViewOffMat.mul2(this._projMat,this._viewOffMat),this._positionData[0]=this._viewInvOffMat.data[12],this._positionData[1]=this._viewInvOffMat.data[13],this._positionData[2]=this._viewInvOffMat.data[14]}_onDeviceLost(){this._depthInfo=null}getDepth(e,t){return this._manager.views.depthGpuOptimized?null:this._depthInfo?.getDepthInMeters(e,t)??null}destroy(){this._depthInfo=null,this._textureColor&&(this._textureColor.destroy(),this._textureColor=null),this._textureDepth&&(this._textureDepth.destroy(),this._textureDepth=null)}}class n5 extends ge{static EVENT_ADD="add";static EVENT_REMOVE="remove";_manager;_index=new Map;_indexTmp=new Map;_list=[];_supportedColor=!1;_supportedDepth=Ce.browser&&!!window.XRDepthInformation;_availableColor=!1;_availableDepth=!1;_depthUsage="";_depthFormat="";_depthFormats={[RC]:Du,[LC]:Oi,[FC]:Ti};constructor(e){super(),this._manager=e;const t=e.app?.graphicsDevice;Ce.browser&&window.XRCamera&&(t?.isWebGL2&&window.XRWebGLBinding?this._supportedColor=!0:t?.isWebGPU&&window.XRGPUBinding&&(this._supportedColor=!0)),this._manager.on("start",this._onSessionStart,this),this._manager.on("end",this._onSessionEnd,this)}get list(){return this._list}get supportedColor(){return this._supportedColor}get supportedDepth(){return this._supportedDepth}get availableColor(){return this._availableColor}get availableDepth(){return this._availableDepth}get depthUsage(){return this._depthUsage}get depthGpuOptimized(){return this._depthUsage===MC}get depthFormat(){return this._depthFormat}get depthPixelFormat(){return this._depthFormats[this._depthFormat]??null}update(e,t){for(let s=0;s<t.length;s++)this._indexTmp.set(t[s].eye,t[s]);for(const[s,i]of this._indexTmp){let r=this._index.get(s);r?r.update(e,i):(r=new a5(this._manager,i,t.length),this._index.set(s,r),this._list.push(r),r.update(e,i),this.fire("add",r))}for(const[s,i]of this._index){if(this._indexTmp.has(s))continue;i.destroy(),this._index.delete(s);const r=this._list.indexOf(i);r!==-1&&this._list.splice(r,1),this.fire("remove",i)}this._indexTmp.clear()}get(e){return this._index.get(e)||null}

17035_onSessionStart(){if(this._manager.type===Ql&&this._manager.session.enabledFeatures&&(this._availableColor=this._manager.session.enabledFeatures.indexOf("camera-access")!==-1,this._availableDepth=this._manager.session.enabledFeatures.indexOf("depth-sensing")!==-1,this._availableDepth)){const e=this._manager.session;this._depthUsage=e.depthUsage,this._depthFormat=e.depthDataFormat}}_onSessionEnd(){for(const e of this._index.values())e.destroy();this._index.clear(),this._availableColor=!1,this._availableDepth=!1,this._depthUsage="",this._depthFormat="",this._list.length=0}}class o5{device;eventHandler;impl;_evtDeviceLost=null;_evtDeviceRestored=null;_session=null;_framebufferScaleFactor=1;_onBindingError;constructor(e,t){this.device=e,this.eventHandler=t,this.impl=e.createXrBridgeImpl(this),this._evtDeviceLost=e.on("devicelost",this._onDeviceLost,this),this._evtDeviceRestored=e.on("devicerestored",this._onDeviceRestored,this)}destroy(){const e=this.device;e&&(this._evtDeviceLost?.off(),this._evtDeviceLost=null,this._evtDeviceRestored?.off(),this._evtDeviceRestored=null,this.impl.endFrame(),this.impl.destroy(e),this.impl=null,this._session=null,this._framebufferScaleFactor=1,this._onBindingError=void 0,this.device=null,this.eventHandler=null)}_onDeviceLost(){this.impl.onGraphicsDeviceLost()}_onDeviceRestored(){this.impl.onGraphicsDeviceRestored()}attachPresentation(e,t){this._session=e,this._framebufferScaleFactor=t.framebufferScaleFactor,this._onBindingError=t.onBindingError,this.impl.attachPresentation(e,t)}releasePresentation(){this.impl.releasePresentation()}beginFrame(e,t){this.impl.beginFrame(e,t)}endFrame(){this.impl.endFrame()}getFramebufferSize(e,t){this.impl.getFramebufferSize(e,t)}getViewport(e,t){return this.impl.getViewport(e,t)}syncCameraColorTexture(e,t){this.impl?.syncCameraColorTexture?.(e,t)}syncCameraDepthTexture(e,t,s){this.impl?.syncCameraDepthTexture?.(e,t,s)}get presentationLayer(){return this.impl.presentationLayer??null}get graphicsBinding(){return this.impl.graphicsBinding??null}}class l5 extends ge{static EVENT_AVAILABLE="available";static EVENT_START="start";static EVENT_END="end";static EVENT_UPDATE="update";static EVENT_ERROR="error";app;_supported=Ce.browser&&!!navigator.xr;_available={};_type=null;_spaceType=null;_session=null;xrBridge=null;get graphicsBinding(){return this.xrBridge?.graphicsBinding??null}_referenceSpace=null;domOverlay;hitTest;imageTracking;planeDetection;meshDetection;input;lightEstimation;views;anchors;_camera=null;_localPosition=new E;_localRotation=new ae;_depthNear=.1;_depthFar=1e3;_supportedFrameRates=null;_width=0;_height=0;_framebufferSize=new j;_framebufferScaleFactor=1;constructor(e){super(),this.app=e,this._available[kW]=!1,this._available[UW]=!1,this._available[Ql]=!1,this.domOverlay=new GW(this),this.hitTest=new WW(this),this.imageTracking=new YW(this),this.planeDetection=new e5(this),this.meshDetection=new r5(this),this.input=new KW(this),this.lightEstimation=new ZW(this),this.anchors=new s5(this),this.views=new n5(this),this._supported&&(navigator.xr.addEventListener("devicechange",()=>{this._deviceAvailabilityCheck()}),this._deviceAvailabilityCheck())}destroy(){this.xrBridge&&(this.xrBridge.destroy(),this.xrBridge=null)}start(e,t,s,i){let r=i;if(typeof i=="object"&&(r=i.callback),!this._available[t]){r&&r(new Error("XR is not available"));return}if(this._session){r&&r(new Error("XR session is already started"));return}this._camera=e,this._camera.camera.xr=this,this._type=t,this._spaceType=s,this._framebufferScaleFactor=i?.framebufferScaleFactor??1,this._setClipPlanes(e.nearClip,e.farClip);const a={requiredFeatures:[s],optionalFeatures:[]};if(this.app.graphicsDevice?.isWebGPU&&a.requiredFeatures.push("webgpu"),t===Ql){if(a.optionalFeatures.push("light-estimation"),a.optionalFeatures.push("hit-test"),i&&(i.imageTracking&&this.imageTracking.supported&&a.optionalFeatures.push("image-tracking"),i.planeDetection&&a.optionalFeatures.push("plane-detection"),i.meshDetection&&a.optionalFeatures.push("mesh-detection")),this.domOverlay.supported&&this.domOverlay.root&&(a.optionalFeatures.push("dom-overlay"),a.domOverlay={root:this.domOverlay.root}),i&&i.anchors&&this.anchors.supported&&a.optionalFeatures.push("anchors"),i&&i.depthSensing&&this.views.supportedDepth){a.optionalFeatures.push("depth-sensing");const o=[],c=[];if(o.push(MC,VW),c.push(FC,RC,LC),i.depthSensing.usagePreference){const h=o.indexOf(i.depthSensing.usagePreference);h!==-1&&o.splice(h,1),o.unshift(i.depthSensing.usagePreference)}if(i.depthSensing.dataFormatPreference){const h=c.indexOf(i.depthSensing.dataFormatPreference);h!==-1&&c.splice(h,1),c.unshift(i.depthSensing.dataFormatPreference)}a.depthSensing={usagePreference:o,dataFormatPreference:c}}i&&i.cameraColor&&this.views.supportedColor&&a.optionalFeatures.push("camera-access")}a.optionalFeatures.push("hand-tracking"),i&&i.optionalFeatures&&(a.optionalFeatures=a.optionalFeatures.concat(i.optionalFeatures)),this.imageTracking.supported&&this.imageTracking.images.length?this.imageTracking.prepareImages((o,c)=>{if(o){r&&r(o),this.fire("error",o);return}c!==null&&(a.trackedImages=c),this._onStartOptionsReady(t,s,a,r)}):this._onStartOptionsReady(t,s,a,r)}_onStartOptionsReady(e,t,s,i){navigator.xr.requestSession(e,s).then(r=>{this._onSessionStart(r,t,i)}).catch(r=>{this._camera.camera.xr=null,this._camera=null,this._type=null,this._spaceType=null,i&&i(r),this.fire("error",r)})}end(e){if(!this._session){e&&e(new Error("XR Session is not initialized"));return}this.xrBridge?.releasePresentation(),e&&this.once("end",e),this._session.end()}isAvailable(e){return this._available[e]}_deviceAvailabilityCheck(){for(const e in this._available)this._sessionSupportCheck(e)}initiateRoomCapture(e){if(!this._session){e(new Error("Session is not active"));return}if(!this._session.initiateRoomCapture){e(new Error("Session does not support manual room capture"));return}this._session.initiateRoomCapture().then(()=>{e&&e(null)}

17035).catch(t=>{e&&e(t)})}updateTargetFrameRate(e,t){if(!this._session?.updateTargetFrameRate){t?.(new Error("unable to update frameRate"));return}this._session.updateTargetFrameRate(e).then(()=>{t?.()}).catch(s=>{t?.(s)})}_sessionSupportCheck(e){navigator.xr.isSessionSupported(e).then(t=>{this._available[e]!==t&&(this._available[e]=t,this.fire("available",e,t),this.fire(`available:${e}`,t))}).catch(t=>{this.fire("error",t)})}_onSessionStart(e,t,s){let i=!1;this._session=e,this.xrBridge=new o5(this.app.graphicsDevice,this);const r=()=>{this.fire("visibility:change",e.visibilityState)},a=()=>{this._setClipPlanes(this._camera.nearClip,this._camera.farClip)},n=()=>{this.fire("frameratechange",this._session?.frameRate)},o=()=>{this._camera&&(this._camera.off("set_nearClip",a),this._camera.off("set_farClip",a),this._camera.camera.xr=null,this._camera=null),e.removeEventListener("end",o),e.removeEventListener("visibilitychange",r),e.removeEventListener("frameratechange",n),i||this.fire("end"),this.xrBridge&&(this.xrBridge.destroy(),this.xrBridge=null),this._session=null,this._referenceSpace=null,this._width=0,this._height=0,this._type=null,this._spaceType=null,this.app.systems&&this.app.requestAnimationFrame()};e.addEventListener("end",o),e.addEventListener("visibilitychange",r),this._camera.on("set_nearClip",a),this._camera.on("set_farClip",a);const h=this.app.graphicsDevice.maxPixelRatio/window.devicePixelRatio*this._framebufferScaleFactor;this.xrBridge.attachPresentation(this._session,{framebufferScaleFactor:h,depthNear:this._depthNear,depthFar:this._depthFar,onBindingError:d=>{this.fire("error",d)}}),this.session.supportedFrameRates?this._supportedFrameRates=Array.from(this.session.supportedFrameRates):this._supportedFrameRates=null,this._session.addEventListener("frameratechange",n),e.requestReferenceSpace(t).then(d=>{this._referenceSpace=d,this.app.requestAnimationFrame(),s&&s(null),this.fire("start")}).catch(d=>{i=!0,e.end(),s&&s(d),this.fire("error",d)})}_setClipPlanes(e,t){this._depthNear===e&&this._depthFar===t||(this._depthNear=e,this._depthFar=t,this._session&&this._session.updateRenderState({depthNear:this._depthNear,depthFar:this._depthFar}))}update(e){if(!this._session)return!1;this.xrBridge.getFramebufferSize(e,this._framebufferSize);const t=this._framebufferSize.x,s=this._framebufferSize.y;(this._width!==t||this._height!==s)&&(this._width=t,this._height=s,this.app.graphicsDevice.setResolution(t,s));const i=e.getViewerPose(this._referenceSpace);if(!i)return!1;const r=this.views.list.length;this.views.update(e,i.views);const a=i.transform.position,n=i.transform.orientation;if(this._localPosition.set(a.x,a.y,a.z),this._localRotation.set(n.x,n.y,n.z,n.w),r===0&&this.views.list.length>0){const o=new Z,c=this.views.list[0];o.copy(c.projMat);const h=o.data,d=2*Math.atan(1/h[5])*180/Math.PI,u=h[5]/h[0],f=h[14]/(h[10]+1),p=h[14]/(h[10]-1);this._camera.camera.setXrProperties({aspectRatio:u,farClip:f,fov:d,horizontalFov:!1,nearClip:p})}return this._camera.camera._node.setLocalPosition(this._localPosition),this._camera.camera._node.setLocalRotation(this._localRotation),this.input.update(e),this._type===Ql&&(this.hitTest.supported&&this.hitTest.update(e),this.lightEstimation.supported&&this.lightEstimation.update(e),this.imageTracking.supported&&this.imageTracking.update(e),this.anchors.supported&&this.anchors.update(e),this.planeDetection.supported&&this.planeDetection.update(e),this.meshDetection.supported&&this.meshDetection.update(e)),this.fire("update",e),this.xrBridge.beginFrame(e,this._referenceSpace),!0}get supported(){return this._supported}get active(){return!!this._session}get type(){return this._type}get spaceType(){return this._spaceType}get session(){return this._session}get frameRate(){return this._session?.frameRate??null}get supportedFrameRates(){return this._supportedFrameRates}get framebufferScaleFactor(){return this._framebufferScaleFactor}set fixedFoveation(e){const t=this.xrBridge?.presentationLayer;(t?.fixedFoveation??null)!==null&&(this.app.graphicsDevice.samples>1,t.fixedFoveation=e)}get fixedFoveation(){return this.xrBridge?.presentationLayer?.fixedFoveation??null}get camera(){return this._camera?this._camera.entity:null}get visibilityState(){return this._session?this._session.visibilityState:null}}class c5 extends Ts{constructor(e,t={}){super(e);const s=new TB;s.graphicsDevice=t.graphicsDevice??this.createDevice(e,t),this.addComponentSystems(s),this.addResourceHandles(s),s.elementInput=t.elementInput,s.keyboard=t.keyboard,s.mouse=t.mouse,s.touch=t.touch,s.gamepads=t.gamepads,s.scriptPrefix=t.scriptPrefix,s.assetPrefix=t.assetPrefix,s.scriptsOrder=t.scriptsOrder,s.soundManager=new nI,s.lightmapper=OB,s.batchManager=u1,s.xr=l5,this.init(s)}createDevice(e,t){return t.graphicsDeviceOptions||(t.graphicsDeviceOptions={}),Ce.browser&&navigator.xr&&(t.graphicsDeviceOptions.xrCompatible=!0),t.graphicsDeviceOptions.alpha=t.graphicsDeviceOptions.alpha||!1,new hT(e,t.graphicsDeviceOptions)}addComponentSystems(e){e.componentSystems=[Jw,IN,ak,eN,nN,Sk,cz,Gz,Wz,aV,Mz,lN,nz,vz,tk,fN,bz,Pz,Bz,mk,ok,kz,r4]}addResourceHandles(e){e.resourceHandlers=[a4,cH,hH,dH,iW,QH,NW,fW,qH,fH,cW,rW,vH,jH,gH,hW,YH,SH,yH,pH,mW,dW,uW,_H,XH]}}j.prototype.scale=j.prototype.mulScalar;E.prototype.scale=E.prototype.mulScalar;ie.prototype.scale=ie.prototype.mulScalar;new ie;Object.defineProperties(St.prototype,{_glFrameBuffer:{get:function(){return this.impl._glFrameBuffer},set:function(l){}}});Object.defineProperty(Us,"defaultInstancingFormat",{get:function(){return null}});Object.defineProperties(ce.prototype,{rgbm:{get:function(){return this.type===wr},set:function(l){this.type=l?wr:Qs}},swizzleGGGR:{get:function(){return this.type===nc},set:function(l){this.type=l?nc:Qs}},_glTexture:{get:function(){return this.impl._glTexture}}});Object.defineProperty(Je.prototype,"boneLimit",{get:function(){return 1024}});Object.defineProperty(Je.prototype,"webgl2",{get:function(){return this.isWebG

17035L2}});Object.defineProperty(Je.prototype,"textureFloatHighPrecision",{get:function(){return!0}});Object.defineProperty(Je.prototype,"extBlendMinmax",{get:function(){return!0}});Object.defineProperty(Je.prototype,"extTextureHalfFloat",{get:function(){return!0}});Object.defineProperty(Je.prototype,"extTextureLod",{get:function(){return!0}});Object.defineProperty(Je.prototype,"textureHalfFloatFilterable",{get:function(){return!0}});Object.defineProperty(Je.prototype,"supportsMrt",{get:function(){return!0}});Object.defineProperty(Je.prototype,"supportsVolumeTextures",{get:function(){return!0}});Object.defineProperty(Je.prototype,"supportsInstancing",{get:function(){return!0}});Object.defineProperty(Je.prototype,"textureHalfFloatUpdatable",{get:function(){return!0}});Object.defineProperty(Je.prototype,"extTextureFloat",{get:function(){return!0}});Object.defineProperty(Je.prototype,"extStandardDerivatives",{get:function(){return!0}});xt.DEFAULT=Object.freeze(new xt);const Pt=new xt,xr=new ds;Je.prototype.setBlendFunction=function(l,e){const t=this.blendState;Pt.copy(t),Pt.setColorBlend(t.colorOp,l,e),Pt.setAlphaBlend(t.alphaOp,l,e),this.setBlendState(Pt)};Je.prototype.setBlendFunctionSeparate=function(l,e,t,s){const i=this.blendState;Pt.copy(i),Pt.setColorBlend(i.colorOp,l,e),Pt.setAlphaBlend(i.alphaOp,t,s),this.setBlendState(Pt)};Je.prototype.setBlendEquation=function(l){const e=this.blendState;Pt.copy(e),Pt.setColorBlend(l,e.colorSrcFactor,e.colorDstFactor),Pt.setAlphaBlend(l,e.alphaSrcFactor,e.alphaDstFactor),this.setBlendState(Pt)};Je.prototype.setBlendEquationSeparate=function(l,e){const t=this.blendState;Pt.copy(t),Pt.setColorBlend(l,t.colorSrcFactor,t.colorDstFactor),Pt.setAlphaBlend(e,t.alphaSrcFactor,t.alphaDstFactor),this.setBlendState(Pt)};Je.prototype.setColorWrite=function(l,e,t,s){const i=this.blendState;Pt.copy(i),Pt.setColorWrite(l,e,t,s),this.setBlendState(Pt)};Je.prototype.getBlending=function(){return this.blendState.blend};Je.prototype.setBlending=function(l){Pt.copy(this.blendState),Pt.blend=l,this.setBlendState(Pt)};Je.prototype.setDepthWrite=function(l){xr.copy(this.depthState),xr.write=l,this.setDepthState(xr)};Je.prototype.setDepthFunc=function(l){xr.copy(this.depthState),xr.func=l,this.setDepthState(xr)};Je.prototype.setDepthTest=function(l){xr.copy(this.depthState),xr.test=l,this.setDepthState(xr)};Je.prototype.getCullMode=function(){return this.cullMode};new Proxy({},{get(l,e){return be.get(yi().graphicsDevice,ze).get(e)},set(l,e,t){return be.get(yi().graphicsDevice,ze).set(e,t),!0}});Object.defineProperty(ti.prototype,"defaultMaterial",{get:function(){return Zo(yi().graphicsDevice)}});Object.defineProperty(ti.prototype,"fogColor",{set:function(l){this.fog.color=l},get:function(){return this.fog.color}});Object.defineProperty(ti.prototype,"fogEnd",{set:function(l){this.fog.end=l},get:function(){return this.fog.end}});Object.defineProperty(ti.prototype,"fogStart",{set:function(l){this.fog.start=l},get:function(){return this.fog.start}});Object.defineProperty(ti.prototype,"fogDensity",{set:function(l){this.fog.density=l},get:function(){return this.fog.density}});Object.defineProperty(ti.prototype,"toneMapping",{set:function(l){},get:function(){}});Object.defineProperty(ti.prototype,"gammaCorrection",{set:function(l){},get:function(){}});Object.defineProperty(ti.prototype,"rendering",{set:function(l){},get:function(){}});Object.defineProperty(i_.prototype,"_meshInstances",{get:function(){return null}});Object.defineProperty(ti.prototype,"drawCalls",{get:function(){return null}});["128","64","32","16","8","4"].forEach((l,e)=>{Object.defineProperty(ti.prototype,`skyboxPrefiltered${l}`,{get:function(){return this._prefilteredCubemaps[e]},set:function(t){this._prefilteredCubemaps[e]=t,this.updateShaders=!0}})});Object.defineProperty(ti.prototype,"models",{get:function(){return this._models||(this._models=[]),this._models}});function es(l,e,t=""){Object.defineProperty(l.prototype,e,{set:function(s){},get:function(){}})}es(Kt,"renderTarget");es(Kt,"onPreCull");es(Kt,"onPreRender");es(Kt,"onPreRenderOpaque");es(Kt,"onPreRenderTransparent");es(Kt,"onPostCull");es(Kt,"onPostRender");es(Kt,"onPostRenderOpaque");es(Kt,"onPostRenderTransparent");es(Kt,"onDrawCall");es(Kt,"layerReference");es(ga,"onPreCull","Use Scene#EVENT_PRECULL event instead.");es(ga,"onPostCull","Use Scene#EVENT_POSTCULL event instead.");es(ga,"onPreRender","Use Scene#EVENT_PRERENDER event instead.");es(ga,"onPostRender","Use Scene#EVENT_POSTRENDER event instead.");es(ga,"onPreRenderLayer","Use Scene#EVENT_PRERENDER_LAYER event instead.");es(ga,"onPostRenderLayer","Use Scene#EVENT_POSTRENDER_LAYER event instead.");KT.prototype.renderComposition=function(l){yi().renderComposition(l)};Ne.prototype.syncAabb=function(){};zg.prototype.getTarget=function(l){return this.targets[l]};He.prototype.getChildren=function(){return this.children};He.prototype.getName=function(){return this.name};He.prototype.getPath=function(){return this.path};He.prototype.getRoot=function(){return this.root};He.prototype.getParent=function(){return this.parent};He.prototype.setName=function(l){this.name=l};Object.defineProperty(yn.prototype,"shader",{set:function(l){},get:function(){return null}});Object.defineProperty(yn.prototype,"blend",{set:function(l){this.blendState.blend=l},get:function(){return this.blendState.blend}});Object.defineProperty(Es.prototype,"shininess",{get:function(){return this.gloss*100},set:function(l){this.gloss=l*.01}});Object.defineProperty(Es.prototype,"useGammaTonemap",{get:function(){return this.useTonemap},set:function(l){this.useTonemap=l}});Object.defineProperty(Es.prototype,"anisotropy",{get:function(){const l=Math.sign(Math.cos(this.anisotropyRotation*H.DEG_TO_RAD*2));return this.anisotropyIntensity*l},set:function(l){this.anisotropyIntensity=Math.abs(l),l>=0?this.anisotropyRotation=0:this.anisotropyRotation=90}});function wi(l,e){Object.defineProperty(Es.prototype,e,{get:function(){return this[l]},set:function(t){this[l]=t}})}function kf(l){Object.defineProperty(Es.prototype,l,{get:function(){return!0},set:function(e){}})}kf("sheenTint");kf("diffuseTint");kf("emissiveTint");kf("ambientTint");wi("specularTint","specularMapTint");wi("aoVertexColor","aoMapVertexColor");wi("diffuseVertexColor","diffuseMapVertexColor");wi("specularVertexColor","specularMapVertexColor");wi("emissiveVertexColor","emissiveMapVertexColor");wi("metalnessVertexColor","metalnessMapVertexColor");wi("glossVertexColor","glossMapVertexColor");wi("opacityVertexColor","opacityMapVertexColor");wi("lightVertexColor","lightMapVertexColor");wi("sheenGloss","sheenGlossiess");wi("clearCoatGloss","clearCostGlossiness");function BC(l,e){l!=="pass"&&Object.defineProperty(yc.prototype,l,{get:function(){return this.litOptions[e||l]},set:function(t){this.litOptions[e||l]=t}})}BC("refraction","useRefraction");const h5=new vw,rx=Object.getOwnPropertyNames(h5);for(const l in rx)BC(rx[l]);Ew.prototype.getAssetById=function(l){return this.get(l)};Object.defineProperty(Nf.prototype,"ray",{get:function(){return this._rayLocal}});Object.defineProperty(Nf.prototype,"position",{get:function(){return this._localPosition}});Object.defineProperty(Nf.prototype,"rotation",{get:function(){return this._localRotation}});Object.defineProperty(Ga.prototype,"wheel",{get:function(){return this.wheelDelta*-2}});Ts.prototype.isFullscreen=function(){return!!document.fullscreenElement};Ts.prototype.enableFullscreen=function(l,e,t){l=l||this.graphicsDevice.canvas;const s=function(){e(),document.removeEventListener("fullscreenchange",s)},i=function(){t(),document.removeEventListener("fullscreenerror",i)};e&&document.addEventListener("fullscreenchange",s,!1),t&&document.addEventListener("fullscreenerror",i,!1),l.requestFullscreen?l.requestFullscreen(Element.ALLOW_KEYBOARD_INPUT):t()};Ts.prototype.disableFullscreen=function(l){const e=function(){l(),document.removeEventListener("fullscreenchange",e)};l&&document.addEventListener("fullscreenchange",e,!1),document.exitFullscreen()};Ts.prototype.getSceneUrl=function(l){const e=this.scenes.find(l);return e?e.url:null};Ts.prototype.loadScene=function(l,e){this.scenes.loadScene(l,e)};Ts.prototype.loadSceneHierarchy=function(l,e){this.scenes.loadSceneHierarchy(l,e)};Ts.prototype.loadSceneSettings=function(l,e){this.scenes.loadSceneSettings(l,e)};Zg.prototype.setVisible=function(l){this.enabled=l};Object.defineProperty(Eo.prototype,"bodyType",{get:function(){return this.type},set:function(l){this.type=l}});Eo.prototype.syncBodyToEntity=function(){this._updateDynamic()};Jw.prototype.setGravity=function(){arguments.length===1?this.gravity.copy(arguments[0]):this.gravity.set(arguments[0],arguments[1],arguments[2])};var d5=1347635022,u5=3,bc=[0,3,8,15,24],bm=.15,f5=2,p5=[-1,-1,1,-1,1,1,-1,1,-1,1,-1,-1,1,-1,1,-1,1,-1,1,1,-1,1,-1,-1];function m5(l){if(l.length<16)return null;const e=new DataView(l.buffer,l.byteOffset,16);return e.getUint32(0,!0)!==d5?null:{version:e.getUint32(4,!0),numPoints:e.getUint32(8,!0),shDegree:e.getUint8(12),fractionalBits:e.getUint8(13),flags:e.getUint8(14)}}function _5(l,e){const t=l===1?6:9,s=l>=3?4:3;return t+1+3+3+s+e*3}async function g5(l,e){const t=new Uint8Array(l,0,2);if(t[0]!==31||t[1]!==139)throw new Error("Unsupported SPZ container (expected a gzip-compressed .spz file)");const i=new Response(l).body.pipeThrough(new DecompressionStream("gzip")).getReader();let r=null,a=0,n=null,o=0,c=[];const h=d=>{if(!n||d<=n.length)return;const u=new Uint8Array(Math.max(d,Math.ceil(n.length*1.5)));u.set(n.subarray(0,o)),n=u};for(;;){const{value:d,done:u}=await i.read();if(u)break;if(!n){c.push(d);let f=0;for(const g of c)f+=g.length;if(f<16)continue;const p=new Uint8Array(16);let m=0;for(const g of c){const v=Math.min(g.length,16-m);if(p.set(g.subarray(0,v),m),m+=v,m===16)break}if(r=m5(p),!r)throw new Error("Not an SPZ file (bad NGSP magic)");if(r.version===1)throw new Error("SPZ version 1 (float16) is not supported");if(r.version>u5)throw new Error(`SPZ version ${r.version} is not supported`);if(r.shDegree>=bc.length)throw new Error(`Unsupported SH degree ${r.shDegree}`);const _=bc[r.shDegree];a=16+r.numPoints*_5(r.version,_),n=new Uint8Array(a);for(const g of c)h(o+g.length),n.set(g,o),o+=g.length;c=null;continue}h(o+d.length),n.set(d,o),o+=d.length,a>0&&e(Math.min(1,o/a))}if(!r)throw new Error("SPZ stream ended before the header");

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17035if(l!=="highest"||Xi(i).name!=="desktop")return r;const{splatCount:n}=Bi(s),o=n!==void 0?n/1e6:nx;return Math.max(r,Math.min(nx,o))}function C5(l){const e=typeof l[0]=="string"?l[0]:"";return e.startsWith("WebgpuGraphicsDevice initialization")||e.startsWith("WEBGPU (")||e.startsWith("Powered by PlayCanvas")}function E5(l){return!(l instanceof DOMException)||l.name!=="AbortError"?!1:l.message.includes("mapAsync")&&l.message.includes("unmapped before mapping was resolved")}function b5(){ax||(ax=!0,window.addEventListener("unhandledrejection",l=>{E5(l.reason)&&l.preventDefault()}))}async function ox(l){const e=console.log,t=console.info,s=i=>(...r)=>{C5(r)||i.apply(console,r)};console.log=s(e),console.info=s(t);try{return await l()}finally{console.log=e,console.info=t}}async function A5(l,e={}){const t=e.background??[0,0,0],{app:s,device:i,renderer:r}=await ox(async()=>{const x=await OP(l,{deviceTypes:e.forceWebgl?[]:["webgpu"],antialias:!1,depth:!0,stencil:!1,powerPreference:"high-performance"});x.maxPixelRatio=T5(e.format);const y=x.deviceType==="webgpu"?"webgpu":"webgl";return{app:new c5(l,{graphicsDevice:x,mouse:new sI(l),touch:new rI(l),keyboard:new tI(window)}),device:x,renderer:y}}),a=s.loader.getHandler("texture");a?.imgParser&&(a.imgParser.crossOrigin="anonymous"),s.setCanvasFillMode(AR),s.setCanvasResolution(n_),H5(s.graphicsDevice),V5(s);const n=s.scene.gsplat;n&&(n.renderer=uo),s.autoRender=!1;let o=0;const c={fps:0,frameMs:0,renderedFrames:0},h=()=>{o=0,s.renderNextFrame=!0},d=x=>{if(x>0){const y=1/x,S=x*1e3;c.fps=c.fps?c.fps*.9+y*.1:y,c.frameMs=c.frameMs?c.frameMs*.9+S*.1:S}o+=x,o<x5&&(s.renderNextFrame=!0)};s.on("update",d);const u=()=>{c.renderedFrames+=1};s.on("postrender",u);const f=s.systems.gsplat,p=(...x)=>{const y=x[2],S=x[3];(!y||typeof S=="number"&&S>0)&&h()};f?.on?.("frame:ready",p),s.scene.ambientLight.set(.51,.55,.65);const m=new lt("camera");m.addComponent("camera",{clearColor:new Q(t[0],t[1],t[2]),fov:e.fov??75,nearClip:.1,farClip:1e3}),s.root.addChild(m);const _=new ResizeObserver(()=>{s.resizeCanvas(),h()});_.observe(l),await ox(()=>s.start()),h();let g=!1;return{app:s,camera:m,renderer:r,frameStats:c,requestRender:h,dispose:()=>{if(g)return;g=!0,_.disconnect(),s.off("update",d),s.off("postrender",u),f?.off?.("frame:ready",p);const x=i.gpuContext,y=i.wgpu,S=i.gl;s.destroy();try{x?.unconfigure?.()}catch{}b5(),y?.destroy?.(),S?.getExtension?.("WEBGL_lose_context")?.loseContext?.()}}}async function P5(l,e,t={}){const{transform:s="none",onProgress:i}=t,a=new URL(e,window.location.href).pathname.split("/").pop()||"scene",n=a.toLowerCase()==="meta.json"?await(await fetch(e)).json():void 0,o=new pe(a,"gsplat",{url:e,filename:a},n);return new Promise((c,h)=>{if(o.once("load",()=>{const d=new lt("gsplat");d.setLocalEulerAngles(s==="flip-yz"?180:0,0,0),d.addComponent("gsplat",{unified:!0,asset:o}),l.root.addChild(d),c(d)}),i){let d=0;o.on("progress",(u,f)=>{if(!f)return;const p=Math.min(1,u/f)*100;p>d&&(d=p,i(Math.trunc(d)))})}o.once("error",d=>h(new Error(d))),l.assets.add(o),l.assets.load(o)})}function I5(l,e,t){const s=t.map(([n,o])=>({name:n,type:"float",byteSize:Float32Array.BYTES_PER_ELEMENT,storage:o})),i=new ha([{name:"vertex",count:e,properties:s}]),r=new Ff(l,i),a=new lt("gsplat");return a.addComponent("gsplat",{unified:!0,resource:r}),a}async function D5(l,e){let t=35;const s=u=>{const f=Math.max(t,Math.min(90,u));f!==t&&(t=f,e?.(f))},i=await fetch(l);if(!i.ok)throw new Error(`SPZ download failed (${i.status})`);const r=i.headers.get("content-length"),a=r?Number(r):0,n=i.body?.getReader();if(!n)return i.arrayBuffer();const o=[];let c=0;for(;;){const{done:u,value:f}=await n.read();if(u)break;f&&(o.push(f),c+=f.byteLength,a>0?s(35+Math.min(1,c/a)*35):s(Math.min(70,35+Math.log10(c+1)*6)))}const h=new Uint8Array(c);let d=0;for(const u of o)h.set(u,d),d+=u.byteLength;return s(70),h.buffer}function lx(){return new Promise(l=>setTimeout(l,0))}async function M5(l,e,t={}){const{onProgress:s}=t;s?.(35);const i=await D5(e,s);await lx();let r;try{r=await S5(i,{onProgress:n=>{s?.(70+Math.trunc(n*15))}})}catch(n){const o=n instanceof Error?n.message:String(n),c=new Error(`SPZ decode failed: ${o}`);throw c.spzTooLarge=/memory|allocat/i.test(o),c}r.shDegreeKept<r.shDegree&&console.warn(`[pc-splat-viewer] Large SPZ: kept SH degree ${r.shDegreeKept}/${r.shDegree} to fit browser memory`),s?.(85),await lx();const a=I5(l.graphicsDevice,r.count,r.columns);return l.root.addChild(a),s?.(90),a}async function R5(l,e,t={}){const{format:s,transform:i="none",onProgress:r}=t;return s==="spz"?M5(l,e,{onProgress:r}):P5(l,e,{transform:i,onProgress:r})}function L5(l,e){return l==="spz"?"none":e==="flip-yz"?"x180":"none"}function F5(l,e,t={}){const s=l.scene.gsplat;if(!s)return;const i=Xi(),r=zf(t.format,e),a=kC(t.lodQualityPreset,t.budgetMillions??4,t.format,e);s.splatBudget=a*1e6;const[n,o]=t.lodQualityPreset&&r==="lod"?zC(t.lodQualityPreset,e):O5(i.lodRangeMin,i.lodRangeMax,e);s.lodRangeMin=n,s.lodRangeMax=o,s.lodUpdateAngle=i.lodUpdateAngle,s.lodUpdateDistance=i.lodUpdateDistance,s.lodUnderfillLimit=i.lodUnderfillLimit,s.lodBehindPenalty=5;

17035const c=t.renderSettings;s.radialSorting=c?!!c.radialSorting:!0,s.antiAlias=c?!!c.antialiased:!1,s.colorUpdateAngle=i.colorUpdateAngle,s.minPixelSize=i.minPixelSize[r],s.minContribution=i.minContribution[r],s.alphaClip=1/255,s.alphaClipForward=i.alphaClipForward[r],VC(e,i),GC(e,n,o)}function va(l){return l.scene.gsplat}function Bi(l){const e=l?.gsplat?.resource;return{splatCount:e?.numSplats??e?.splatCount??e?.numSplatsTotal,lodLevels:e?.octree?.lodLevels??0}}function O5(l,e,t,s=Xi()){const i=Bi(t).lodLevels,r=i>0?i-1:s.lodRangeMax,a=Math.min(s.lodRangeMin,r),n=Math.min(s.lodRangeMax,r),o=Math.max(a,Math.min(l,r)),c=Math.max(o,Math.min(e,n));return[o,c]}function UC(l,e,t){const s=Bi(t).lodLevels,i=s>0?s-1:Xi().lodRangeMax,r=Math.max(0,Math.min(l,i)),a=Math.max(r,Math.min(e,i));return[r,a]}function U_(l,e,t=Xi()){const s=e>0?e-1:2;return l==="highest"?0:l==="fast"?s:t.name==="desktop"?Math.min(1,s):Math.min(2,s)}function zC(l,e){const t=Bi(e).lodLevels,s=U_(l,t),i=t>0?t-1:1e3;return UC(s,Math.max(s,i),e)}function VC(l,e=Xi()){const t=l?.gsplat;t&&(t.lodBaseDistance=e.lodBaseDistance,t.lodMultiplier=e.lodMultiplier)}function GC(l,e,t){const s=l?.gsplat;s&&(s.lodRangeMin=e,s.lodRangeMax=t)}function Pm(l){const e=va(l);return e?{budgetMillions:(e.splatBudget??4e6)/1e6,lodRangeMin:e.lodRangeMin??0,lodRangeMax:e.lodRangeMax??1e3}:null}function B5(l,e,t,s){const i=va(l);i&&(i.splatBudget=tv(e,t,s)*1e6)}function z_(l,e,t,s){const i=va(l);if(!i)return;const[r,a]=UC(e,t,s);i.lodRangeMin=r,i.lodRangeMax=a,GC(s,r,a)}function N5(l,e,t,s){const[i,r]=zC(e,t);z_(l,i,r,t);const a=va(l);a&&(a.splatBudget=kC(e,0,s,t)*1e6)}var sv=2,sa=1e9,k5=`
17036uniform float minimapClipMaxY;
17037
17038void modifySplatCenter(inout vec3 center) {
17039}
17040
17041void modifySplatRotationScale(vec3 originalCenter, vec3 modifiedCenter, inout vec4 rotation, inout vec3 scale) {
17042    if (modifiedCenter.y > minimapClipMaxY) {
17043        scale = vec3(0.0);
17044    }
17045}
17046
17047void modifySplatColor(vec3 center, inout vec4 color) {
17048}
17049`,U5=`
17050uniform minimapClipMaxY: f32;
17051
17052fn modifySplatCenter(center: ptr<function, vec3f>) {
17053}
17054
17055fn modifySplatRotationScale(originalCenter: vec3f, modifiedCenter: vec3f, rotation: ptr<function, vec4f>, scale: ptr<function, vec3f>) {
17056    if (modifiedCenter.y > uniform.minimapClipMaxY) {
17057        *scale = vec3f(0.0);
17058    }
17059}
17060
17061fn modifySplatColor(center: vec3f, color: ptr<function, vec4f>) {
17062}
17063`;function HC(l){l.shaderChunksVersion="2.19",l.getShaderChunks?.(ze)?.set("gsplatModifyVS",k5),l.getShaderChunks?.(de)?.set("gsplatModifyVS",U5),l.setParameter?.("minimapClipMaxY",sa),l.update?.()}function z5(l,e){const t=Number.isFinite(e)?e:sa;l.graphicsDevice.scope.resolve("minimapClipMaxY").setValue(t);const s=va(l)?.material;s&&(s.setParameter?.("minimapClipMaxY",t),s.update?.())}function V5(l){const e=va(l)?.material;e&&HC(e),l.graphicsDevice.scope.resolve("minimapClipMaxY").setValue(sa)}function G5(l){const e=va(l);e&&(e.dirty=!0)}function H5(l){const e=(t,s,i)=>{const r=be.get(l,t);let a=r.get(s);if(!a){console.warn(`[pc-splat-viewer] missing shader chunk ${s}`);return}for(const[n,o]of i){if(!a.includes(n)){console.warn(`[pc-splat-viewer] point-mode anchor not found in ${s}: ${n}`);return}a=a.replace(n,o)}r.set(s,a)};e(de,"gsplatHybridVS",[["uniform clipToViewZ: vec4f;",`uniform clipToViewZ: vec4f;
17064uniform splatPointMode: f32;
17065uniform splatPointPixels: f32;`],["let pixelOffset = cornerClipped.x * v1 + cornerClipped.y * v2;",`var v1p = v1;
17066    var v2p = v2;
17067    if (uniform.splatPointMode > 0.5) {
17068        v1p = v1 * (uniform.splatPointPixels / max(length(v1), 1e-6));
17069        v2p = v2 * (uniform.splatPointPixels / max(length(v2), 1e-6));
17070    }
17071    let pixelOffset = cornerClipped.x * v1p + cornerClipped.y * v2p;`]]),e(de,"gsplatCornerVS",[["uniform minPixelSize: f32;",`uniform minPixelSize: f32;
17072uniform splatPointMode: f32;
17073uniform splatPointPixels: f32;`],["let v1 = l1 * diagonalVector;",`var l1p = l1;
17074    var l2p = l2;
17075    if (uniform.splatPointMode > 0.5) {
17076        l1p = uniform.splatPointPixels;
17077        l2p = uniform.splatPointPixels;
17078    }
17079    let v1 = l1p * diagonalVector;`],["let v2 = l2 * vec2f(diagonalVector.y, -diagonalVector.x);","let v2 = l2p * vec2f(diagonalVector.y, -diagonalVector.x);"]]),e(ze,"gsplatCornerVS",[["uniform float minPixelSize;",`uniform float minPixelSize;
17080uniform float splatPointMode;
17081uniform float splatPointPixels;`],["vec2 v1 = l1 * diagonalVector;",`if (splatPointMode > 0.5) {
17082        l1 = splatPointPixels;
17083        l2 = splatPointPixels;
17084    }
17085    vec2 v1 = l1 * diagonalVector;`]]),l.scope.resolve("splatPointMode").setValue(0),l.scope.resolve("splatPointPixels").setValue(sv)}var cx=new WeakMap;function W5(l){const e=cx.get(l)??1;cx.set(l,-e);const t=l.getLocalPosition();l.setLocalPosition(t.x,t.y+e*1e-5,t.z)}var X5=`
17086    vec4 q = rotation;
17087    vec3 col0 = vec3(1.0 - 2.0*(q.y*q.y + q.z*q.z), 2.0*(q.x*q.y + q.w*q.z), 2.0*(q.x*q.z - q.w*q.y));
17088    vec3 col1 = vec3(2.0*(q.x*q.y - q.w*q.z), 1.0 - 2.0*(q.x*q.x + q.z*q.z), 2.0*(q.y*q.z + q.w*q.x));
17089    vec3 col2 = vec3(2.0*(q.x*q.z + q.w*q.y), 2.0*(q.y*q.z - q.w*q.x), 1.0 - 2.0*(q.x*q.x + q.y*q.y));
17090    if (scale.x <= scale.y && scale.x <= scale.z) { gsplatNormalWS = col0; }
17091    else if (scale.y <= scale.x && scale.y <= scale.z) { gsplatNormalWS = col1; }
17092    else { gsplatNormalWS = col2; }

17093    gsplatNormalWS = normalize(gsplatNormalWS);`,Y5=`
17094    let q = *rotation;
17095    let s = *scale;
17096    let col0 = vec3f(1.0 - 2.0*(q.y*q.y + q.z*q.z), 2.0*(q.x*q.y + q.w*q.z), 2.0*(q.x*q.z - q.w*q.y));
17097    let col1 = vec3f(2.0*(q.x*q.y - q.w*q.z), 1.0 - 2.0*(q.x*q.x + q.z*q.z), 2.0*(q.y*q.z + q.w*q.x));
17098    let col2 = vec3f(2.0*(q.x*q.z + q.w*q.y), 2.0*(q.y*q.z - q.w*q.x), 1.0 - 2.0*(q.x*q.x + q.y*q.y));
17099    if (s.x <= s.y && s.x <= s.z) { gsplatNormalWS = normalize(col0); }
17100    else if (s.y <= s.x && s.y <= s.z) { gsplatNormalWS = normalize(col1); }
17101    else { gsplatNormalWS = normalize(col2); }`;function j5(l,e,t){const s=t!==null?`
17102    if (modifiedCenter.y > ${t.toFixed(6)}) { scale = vec3(0.0); return; }`:"",i=t!==null?`
17103    if (modifiedCenter.y > ${t.toFixed(6)}) { *scale = vec3f(0.0); return; }`:"";return{glsl:`
17104vec3 gsplatNormalWS = vec3(0.0, 0.0, 1.0);
17105void modifySplatCenter(inout vec3 center) {}
17106void modifySplatRotationScale(vec3 originalCenter, vec3 modifiedCenter, inout vec4 rotation, inout vec3 scale) {${s}${e?X5:""}}
17107void modifySplatColor(vec3 center, inout vec4 color) {
17108${e?"    color.rgb = gsplatNormalWS * 0.5 + vec3(0.5);":""}
17109${l?"    color.a = 1.0;":""}
17110}
17111`,wgsl:`
17112var<private> gsplatNormalWS: vec3f = vec3f(0.0, 0.0, 1.0);
17113fn modifySplatCenter(center: ptr<function, vec3f>) {}
17114fn modifySplatRotationScale(originalCenter: vec3f, modifiedCenter: vec3f, rotation: ptr<function, vec4f>, scale: ptr<function, vec3f>) {${i}${e?Y5:""}}
17115fn modifySplatColor(center: vec3f, color: ptr<function, vec4f>) {
17116${e?"    (*color) = vec4f(gsplatNormalWS * 0.5 + vec3f(0.5), (*color).a);":""}
17117${l?"    (*color).a = 1.0;":""}
17118}
17119`}}function Im(l,e,t){const{pointMode:s,normalMode:i}=t,r=t.minimapClipMaxY??null,a=r!==null&&Number.isFinite(r)&&r<sa/2;z5(l,a&&r!==null?r:sa);const n=e?.gsplat,o=va(l),c=l.graphicsDevice;c.scope.resolve("splatPointMode").setValue(s?1:0),c.scope.resolve("splatPointPixels").setValue(t.pointSizePx??sv);const h=()=>{if(!o)return;const d=Xi(),u=zf(t.format,e);o.minPixelSize=d.minPixelSize[u]};if(!n?.setWorkBufferModifier){h();return}n.setWorkBufferModifier(j5(s,i,a?r:null)),a||G5(l),e&&W5(e),o&&s?o.minPixelSize=1:h()}function q5(l,e){const t=l.camera;t&&(t.toneMapping=NC[e])}function hx(l){const t=l.camera?.toneMapping;return(t!==void 0?y5.get(t):void 0)??"none"}function $5(l,e){return new Promise((t,s)=>{const i=new pe("skybox","texture",{url:e},{type:"rgbp",mipmaps:!1,addressu:"repeat",addressv:"clamp"});i.once("load",()=>{l.scene.envAtlas=i.resource,t()}),i.once("error",r=>s(new Error(r))),l.assets.add(i),l.assets.load(i)})}function K5(l,e,t=4,s){const i=l.scene.gsplat;i&&(i.splatBudget=tv(t,s,e)*1e6),VC(e);const r=Bi(e).lodLevels;return i&&r?(i.lodRangeMin=r-1,i.lodRangeMax=r-1,!0):!1}function Z5(l,e,t=12e3,s={}){return new Promise((i,r)=>{const a=l.systems.gsplat;if(!a?.on){i();return}let n=!1,o=1,c=!1;const h=performance.now(),d=s.observeGraceMs??600;let u;const f=(..._)=>{const g=_[2],v=_[3];typeof v=="number"&&v>0&&(c=!0,o=Math.max(o,v),e?.(Math.trunc((o-v)/o*100)));const x=s.requireLoadingZero?v===0:v===0||v===void 0,y=!s.requireObservedLoading||c||performance.now()-h>=d;g&&x&&y&&m()},p=()=>{n||(n=!0,a.off?.("frame:ready",f),u&&clearTimeout(u))},m=()=>{p(),i()};a.on("frame:ready",f),l.renderNextFrame=!0,u=setTimeout(()=>{if(p(),s.rejectOnTimeout){r(new Error("Timed out waiting for complete gsplat frame"));return}i()},t)})}var pt=Math.PI/180,dx=.005,Q5=.01,Fl=800,J5=55,eX=89,tX=6,Xa=1e9;function sX(l,e,t,s){const i=l<s-.001,r=e<s-.001;return i!==r?t<.5?l:e:l+(e-l)*t}function Pu(l,e,t,s,i,r){const a=l<Xa/2,n=e<Xa/2;if(a&&n)return l+(e-l)*t;if(!a&&!n)return i;const o=a?l:e;return s>o-r?o:i}var iX=1.5,rX=.2,aX=1.3,nX=.2,oX=.15,lX=.1,cX=64,ux=1/30,fx=.25,pd=1/60,hX=10,dX=9.8,uX=57,fX=1,pX=.1,mX=4,_X=.001,gX=5,px=3,vX=.01;function md(l,e=null){const t=nX*l,s=rX*l,i=e!==null&&Number.isFinite(e)&&e>0?e*l:null,r=iX*l,a=Math.max(i!==null?i-t:aX*l,s);return{capsuleHeight:r,capsuleRadius:s,eyeHeight:a,hoverHeight:t,maxStep:lX*l,maxClimb:oX*l,gravity:dX*l,groundProbeRange:fX*l,freefallThreshold:pX*l,jumpSpeed:mX*l,settleVelocity:_X*l,spawnSearchRadius:gX*l}}var SX=class{app;entity;canvas;pivot=new E;yaw=0;pitch=0;distance=4;fov=50;up=new E(0,1,0);rollSign=1;initial={pivot:new E,yaw:0,pitch:0,distance:4,fov:50};navigationEyeY=null;moveSpeed=px;moveSpeedMeters=null;worldScale=1;walkModeHeightMeters=null;autoWalkRestHeightMeters=null;walkDims=md(1);cameraMode="fly";hasCollision=!1;collider=null;colliderSignX=1;colliderSignY=1;colliderSignZ=1;walkEyeY=0;walkVelocityY=0;walkGrounded=!1;walkAccumulator=0;walkJumping=!1;walkJumpHeld=!1;walkForceStep=!1;

17119walkBounds=null;pointers=new Map;pinchDistance=0;keys=new Set;externalForward=!1;externalBackward=!1;externalLeft=!1;externalRight=!1;externalSpeedMultiplier=1;autoMode="off";autoSpeed=.8;autoVerticalSpeed=.3;autoDollySpeed=0;autoRadius=4;autoAngle=0;autoBaseHeight=0;autoPivot=new E;autoForward=new E;externallyDriven=!1;dollhouse=!1;dollhouseRoofCutY=null;pendingRoofCloseY=null;roofCutListener=null;dollhouseJumpListener=null;resetTween=null;tweenQuat=new ae;tweenMat=new Z;trajectory=null;trajPos=new E;trajAhead=new E;trajForward=new E;orbitSpeed=.115;panSpeed=.002;tmpA=new E;tmpB=new E;tmpC=new E;dir=new E;pos=new E;pushOut={x:0,y:0,z:0};requestRender;constructor(l,e,t,s){this.app=l,this.entity=e,this.canvas=t,this.requestRender=s??(()=>{this.app.renderNextFrame=!0}),this.attach()}setPose(l,e,t){this.pivot.copy(e),this.dir.sub2(l,e),this.distance=Math.max(this.dir.length(),.001),this.pitch=Math.asin(Bt(this.dir.y/this.distance,-1,1))/pt,this.yaw=Math.atan2(this.dir.x,this.dir.z)/pt,this.fov=t,this.initial={pivot:this.pivot.clone(),yaw:this.yaw,pitch:this.pitch,distance:this.distance,fov:this.fov},this.walkEyeY=l.y,this.navigationEyeY===null&&(this.navigationEyeY=l.y),this.walkVelocityY=0,this.walkGrounded=!1,this.walkAccumulator=0,this.walkJumping=!1,this.walkJumpHeld=!1,this.apply(),this.cameraMode==="walk"&&this.hasCollision&&(this.spawnWalk(),this.walkForceStep=!0,this.syncWalkPivotY(),this.apply())}setWorldScale(l){const e=Number.isFinite(l)&&l>0?l:1;e!==this.worldScale&&(this.worldScale=e,this.walkDims=md(e,this.effectiveWalkHeightMeters()),this.syncMoveSpeed(),this.cameraMode==="walk"&&(this.walkForceStep=!0,this.requestRender()))}getWorldScale(){return this.worldScale}setMoveSpeed(l){const e=l!==null&&Number.isFinite(l)&&l>0?l:null;e!==this.moveSpeedMeters&&(this.moveSpeedMeters=e,this.syncMoveSpeed())}getMoveSpeed(){return this.moveSpeedMeters}syncMoveSpeed(){this.moveSpeed=(this.moveSpeedMeters??px)*this.worldScale}setWalkModeHeight(l){const e=l!==null&&Number.isFinite(l)&&l>0?l:null;if(e===this.walkModeHeightMeters)return;const t=this.walkDims.hoverHeight+this.walkDims.eyeHeight;if(this.walkModeHeightMeters=e,this.walkDims=md(this.worldScale,this.effectiveWalkHeightMeters()),this.cameraMode==="walk"){const s=this.walkDims.hoverHeight+this.walkDims.eyeHeight;this.walkEyeY+=s-t,this.walkVelocityY=0,this.walkGrounded=!1,this.walkForceStep=!0,this.syncWalkPivotY(),this.apply(),this.requestRender()}}getWalkModeHeight(){return this.walkModeHeightMeters}effectiveWalkHeightMeters(){return this.walkModeHeightMeters??this.autoWalkRestHeightMeters}ensureAutoWalkHeight(l){if(this.walkModeHeightMeters!==null||this.autoWalkRestHeightMeters!==null||this.navigationEyeY===null)return;const e=this.navigationEyeY-l,t=this.walkDims.hoverHeight+this.walkDims.capsuleRadius,s=this.collider?.gridBounds,i=s?s.max[1]-s.min[1]:Number.POSITIVE_INFINITY;!(e>t)||e>i||(this.autoWalkRestHeightMeters=e/this.worldScale,this.walkDims=md(this.worldScale,this.effectiveWalkHeightMeters()))}getFov(){return this.fov}getCameraMode(){return this.cameraMode}getCameraPose(){const l=this.entity.getPosition(),e=this.pivot;return{position:[l.x,l.y,l.z],target:[e.x,e.y,e.z],yawDegrees:this.yaw,pitchDegrees:this.pitch,fov:this.fov}}navigateToXZ(l,e,t=Fl){if(!Number.isFinite(l)||!Number.isFinite(e))return!1;this.stopAutoCamera();const s=this.getCameraPose(),i=this.resolveNavigationPosition(l,e);if(!i)return!1;const r=this.tmpA.copy(this.entity.forward);r.length()<=1e-6&&r.set(0,0,-1),r.normalize();const a=this.tmpB.copy(i).add(r.mulScalar(this.distance)),n=this.orbitStateFromPose(i,a,s.fov);return this.startResetTween(n,t),!0}playPath(l,e={}){if(!Array.isArray(l)||l.length<2)return!1;this.stopAutoCamera(),this.resetTween=null;const t=this.buildPathEyePositions(l);if(t.length<2)return!1;const s=TX(t),i=[0];let r=0;for(let o=1;o<s.length;o++)r+=s[o].distance(s[o-1]),i.push(r);if(!(r>0))return!1;const a=e.speed&&e.speed>0?e.speed:this.moveSpeed,n=e.durationMs&&e.durationMs>0?e.durationMs:Math.max(250,r/a*1e3);return this.trajectory={points:s,cumulative:i,total:r,pitchDegrees:Number.isFinite(e.pitchDegrees)?e.pitchDegrees:0,elapsedMs:0,durationMs:n,loop:!!e.loop,smoothForward:null,onProgress:e.onProgress,onDone:e.onDone},this.requestRender(),!0}playPoseKeyframes(l,e={}){if(!Array.isArray(l)||l.length<2)return!1;this.stopAutoCamera(),this.resetTween=null;const t=[],s=[],i=[],r=[];let a=[],n=!1;for(const P of l){if(!P||!Array.isArray(P.position))continue;const L=new E(P.position[0],P.position[1],P.position[2]),O=t.length-1;if(O>=0){const N=t[O].distance(L)<1e-4,k=Math.abs(V_(s[O],P.yaw))<.5,A=Math.abs(i[O]-P.pitch)<.5;if(N&&k&&A)continue}t.push(L),s.push(P.yaw),i.push(P.pitch),r.push(Number.isFinite(P.fov)?P.fov:this.fov);const D=typeof P.roofCut=="number"&&Number.isFinite(P.roofCut)?P.roofCut:Xa;a.push(D),D<Xa/2&&(n=!0)}if(t.length<2)return!1;const o=this.roofFullyVisibleY(a.find(P=>P<Xa/2)??0),c=fx*this.worldScale;let h=t,d=s,u=i,f=r,p=a;if(e.route!==!1){h=[],d=[],u=[],f=[],p=[];for(let P=0;P<t.length-1;P++){const L=this.planKeyframeRoute(t[P],t[P+1]),O=[0];let D=0;for(let N=1;N<L.length;N++)D+=L[N].distance(L[N-1]),O.push(D);for(let N=0;N<L.length-1;N++){const k=D>1e-6?O[N]/D:0;h.push(L[N]),d.push(kd(s[P],s[P+1],k)),u.push(i[P]+(i[P+1]-i[P])*k),f.push(r[P]+(r[P+1]-r[P])*k),p.push(Pu(a[P],a[P+1],k,L[N].y,o,c))}}h.push(t[t.length-1]),d.push(s[s.length-1]),u.push(i[i.length-1]),f.pu

17119sh(r[r.length-1]),p.push(a[a.length-1])}const m=EX(h,d,u,f,n?p:void 0,n?o:void 0,c),{points:_,yaws:g,pitches:v,fovs:x,roofCuts:y}=m,S=e.turnSpeed&&e.turnSpeed>0?e.turnSpeed:1,T=12*this.worldScale/S,w=[0];let C=0;for(let P=1;P<_.length;P++){const L=_[P].distance(_[P-1]),O=Math.abs(V_(g[P-1],g[P])),D=Math.abs(v[P]-v[P-1]),N=(O+D)*pt*T;C+=L+N,w.push(C)}if(!(C>0))return!1;const b=e.speed&&e.speed>0?e.speed:this.moveSpeed,I=e.durationMs&&e.durationMs>0?e.durationMs:Math.max(250,C/b*1e3);if(this.dollhouse=!1,n){const P=Pu(a[0],a[1],0,t[0].y,o,c);this.roofCutListener?.(P>=o-.001?null:P)}return this.trajectory={points:_,cumulative:w,total:C,pitchDegrees:0,elapsedMs:0,durationMs:I,loop:!!e.loop,smoothForward:null,yaws:g,pitches:v,fovs:x,roofCuts:y,roofCutOpenY:n?o:void 0,onProgress:e.onProgress,onDone:e.onDone},this.requestRender(),!0}routeWalkWaypoints(l,e=0){if(!Array.isArray(l)||l.length<2)return[];const t=[],s=(r,a)=>{const n=t[t.length-1];n&&Math.hypot(n.x-r,n.z-a)<.001||t.push({x:r,z:a})};for(let r=0;r<l.length-1;r++){const a=l[r],n=l[r+1];if(!a?.position||!n?.position)continue;const o=new E(a.position[0],a.position[1],a.position[2]),c=new E(n.position[0],n.position[1],n.position[2]),h=this.planKeyframeRoute(o,c,e);for(let d=0;d<h.length-1;d++)s(h[d].x,h[d].z)}const i=l[l.length-1];return i?.position&&s(i.position[0],i.position[2]),t}stopPath(){this.trajectory&&(this.trajectory=null,this.cameraMode="fly",this.syncFromCameraPose(),this.requestRender())}isPlayingPath(){return this.trajectory!==null}getActivePathDurationMs(){return this.trajectory?this.trajectory.durationMs:null}stepTrajectory(l){const e=this.trajectory;if(!e)return;e.elapsedMs+=l*1e3;let t=!1,s=e.durationMs>0?e.elapsedMs/e.durationMs:1;s>=1&&(e.loop?(e.elapsedMs%=e.durationMs,s=e.durationMs>0?e.elapsedMs/e.durationMs:0):(s=1,t=!0));const i=s*e.total,r=this.sampleTrajectoryAt(e,i,this.trajPos);if(e.yaws&&e.pitches){const c=kd(e.yaws[r.i],e.yaws[r.i+1],r.t),h=e.pitches[r.i]+(e.pitches[r.i+1]-e.pitches[r.i])*r.t,d=e.fovs?e.fovs[r.i]+(e.fovs[r.i+1]-e.fovs[r.i])*r.t:this.fov;if(e.roofCuts){const u=e.roofCutOpenY??Xa,f=sX(e.roofCuts[r.i],e.roofCuts[r.i+1],r.t,u);this.roofCutListener?.(f>=u-.001?null:f)}

17119if(e.smoothYaw==null||e.smoothPitch==null)e.smoothYaw=c,e.smoothPitch=h;else{const u=1-Math.exp(-8*l);e.smoothYaw=kd(e.smoothYaw,c,u),e.smoothPitch+=(h-e.smoothPitch)*u}if(this.applyKeyframePose(this.trajPos,e.smoothYaw,e.smoothPitch,d),e.onProgress?.(s),t){const u=e.onDone;this.trajectory=null,this.syncFromCameraPose(),u?.()}return}const a=Math.max(e.total*.06,1e-4);this.sampleTrajectoryAt(e,Math.min(i+a,e.total),this.trajAhead);let n=this.trajAhead.x-this.trajPos.x,o=this.trajAhead.z-this.trajPos.z;if(n*n+o*o<1e-8&&(this.sampleTrajectoryAt(e,Math.max(i-a,0),this.trajAhead),n=this.trajPos.x-this.trajAhead.x,o=this.trajPos.z-this.trajAhead.z),this.trajForward.set(n,0,o),this.trajForward.length()>1e-6?this.trajForward.normalize():this.trajForward.set(0,0,-1),e.smoothForward){const c=1-Math.exp(-8*l);e.smoothForward.lerp(e.smoothForward,this.trajForward,c),e.smoothForward.length()>1e-6?e.smoothForward.normalize():e.smoothForward.copy(this.trajForward)}else e.smoothForward=this.trajForward.clone();if(this.applyTrajectoryPose(this.trajPos,e.smoothForward,e.pitchDegrees),e.onProgress?.(s),t){const c=e.onDone;this.trajectory=null,this.cameraMode="fly",this.syncFromCameraPose(),c?.()}}sampleTrajectoryAt(l,e,t){const s=l.points,i=l.cumulative,r=s.length;if(r===1)return t.copy(s[0]),{i:0,t:0};const a=Bt(e,0,l.total);let n=0;for(;n<r-2&&i[n+1]<a;)n++;const o=i[n],c=i[n+1]-o,h=c>1e-9?Bt((a-o)/c,0,1):0;return t.lerp(s[n],s[n+1],h),{i:n,t:h}}applyKeyframePose(l,e,t,s){this.yaw=e,this.pitch=Bt(t,-89,89),Number.isFinite(s)&&(this.fov=s);const i=this.pitch*pt,r=this.yaw*pt;this.dir.set(Math.cos(i)*Math.sin(r),Math.sin(i),Math.cos(i)*Math.cos(r)),this.pivot.copy(l).sub(this.tmpA.copy(this.dir).mulScalar(this.distance)),this.walkEyeY=l.y,this.apply()}applyTrajectoryPose(l,e,t){const s=Bt(t,-89,89)*pt,i=Math.cos(s),r=Math.sin(s),a=this.tmpA.set(e.x*i,-r,e.z*i);a.length()>1e-6?a.normalize():a.set(0,0,-1),this.pivot.copy(l).add(this.tmpB.copy(a).mulScalar(this.distance)),this.dir.sub2(l,this.pivot);const n=Math.max(this.dir.length(),.001);this.pitch=Bt(Math.asin(Bt(this.dir.y/n,-1,1))/pt,-89,89),this.yaw=Math.atan2(this.dir.x,this.dir.z)/pt,this.walkEyeY=l.y,this.apply()}setCollisionAvailable(l){this.hasCollision=l,!l&&this.cameraMode==="walk"&&(this.cameraMode="fly")}setVoxelCollider(l,e=[1,1,1]){this.collider=l,this.setColliderSigns(e),this.setCollisionAvailable(!!l)}setColliderSigns(l){this.colliderSignX=l[0],this.colliderSignY=l[1],this.colliderSignZ=l[2]}setWalkBounds(l){this.walkBounds=l}setCameraMode(l){if(l==="walk"&&!this.hasCollision){this.cameraMode="fly";return}l!==this.cameraMode&&(this.cameraMode=l,l==="walk"&&(this.dollhouse=!1,this.stopAutoCamera(),this.walkEyeY=this.entity.getPosition().y,this.walkVelocityY=0,this.walkGrounded=!1,this.walkAccumulator=0,this.walkJumping=!1,this.walkJumpHeld=!1,this.spawnWalk(),this.walkForceStep=!0,this.syncWalkPivotY(),this.apply()))}setFov(l){this.fov=l,this.apply()}setDollhouseMode(l,e){if(this.dollhouse=l,l){this.dollhouseRoofCutY=e!==void 0&&Number.isFinite(e)?e:null,this.pendingRoofCloseY=null,this.stopAutoCamera(),this.cameraMode="fly";return}this.dollhouseRoofCutY=null,this.cancelResetTween(!0)}isDollhouseMode(){return this.dollhouse}setRoofCutListener(l){this.roofCutListener=l}setDollhouseJumpListener(l){this.dollhouseJumpListener=l}roofFullyVisibleY(l){const e=this.walkBounds??this.collider?.gridBounds;if(e){const t=this.colliderSignY*e.min[1],s=this.colliderSignY*e.max[1],i=Math.max(t,s);return Math.max(i+2,l+4)}return l+12}exitDollhouseToOrigin(l="fly",e){this.restoreOriginFromDollhouse(()=>{this.finishRoofRestore(),l==="walk"&&this.setCameraMode("walk"),e?.()})}jumpFromDollhouseClick(l,e){const t=this.pickDollhouseHit(l,e);t&&this.jumpFromDollhouseToXZ(t.x,t.z)}jumpFromDollhouseToXZ(l,e){this.restoreOriginFromDollhouse(()=>{this.setCameraMode("walk"),this.navigateToXZ(l,e,Fl),this.dollhouseJumpListener?.()})}restoreOriginFromDollhouse(l){const e=this.dollhouseRoofCutY;this.setDollhouseMode(!1),this.pendingRoofCloseY=e===null?null:e-fx*this.worldScale,this.pendingRoofCloseY===null&&this.roofCutListener?.(null),this.stopAutoCamera(),this.cameraMode="fly",this.startResetTween(this.initial,Fl,l,!0)}finishRoofRestore(){this.pendingRoofCloseY=null,this.roofCutListener?.(null)}pickDollhouseHit(l,e){const t=this.entity.camera;if(!t?.screenToWorld)return null;const s=this.canvas.getBoundingClientRect(),i=l-s.left,r=e-s.top,a=t.nearClip??.1,n=t.farClip??1e3;t.screenToWorld(i,r,a,this.tmpA),t.screenToWorld(i,r,n,this.tmpB);const o=this.tmpA.x,c=this.tmpA.y,h=this.tmpA.z,d=this.tmpB.x-o,u=this.tmpB.y-c,f=this.tmpB.z-h,p=Math.hypot(d,u,f);if(p<1e-8)return null;const m=1/p,_=d*m,g=u*m,v=f*m,x=this.worldRayHit(o,c,h,_,g,v,n);if(x)return x;if(Math.abs(g)<1e-6)return null;const y=(this.pivot.y-c)/g;return!(y>0)||y>n?null:{x:o+_*y,y:this.pivot.y,z:h+v*y}}worldRayHit(l,e,t,s,i,r,a){const n=this.collider;if(!n)return null;const o=this.colliderSignX,c=this.colliderSignY,h=this.colliderSignZ,d=n.queryRay(o*l,c*e,h*t,o*s,c*i,h*r,a);return d?{x:o*d.x,y:c*d.y,z:h*d.z}:null}flyTo(l,e=Fl,t,s={}){this.stopAutoCamera(),this.stopPath(),this.cameraMode="fly",this.startResetTween({pivot:new E(l.pivot[0],l.pivot[1],l.pivot[2]),yaw:l.yaw,pitch:l.pitch,distance:Math.max(l.distance,.001),fov:l.fov},e,t,s.lockInput===!0)}setExternalMovement(l){this.externalForward=l.forward,this.externalBackward=l.backward,this.externalLeft=l.left,this.externalRight=l.right,this.externalSpeedMultiplier=l.speedMultiplier??1,(l.forward||l.backward||l.left||l.right)&&(this.cancelResetTween(),this.requestRender())}getAutoCameraMode(){return this.autoMode}startAutoCamera(l,e={}){if(l==="off"){this.stopAutoCamera();return}this.resetTween=null;const t=this.entity.getPosition();this.autoPivot.copy(this.pivot),this.autoForward.copy(this.entity.forward);const s=t.x-this.autoPivot.x,i=t.z-this.autoPivot.z,r=Math.sqrt(s*s+i*i);this.autoRadius=e.radius!==void 0?Math.max(.1,e.radius):Math.max(.5,r),this.autoAngle=Math.atan2(t.z-this.autoPivot.z,t.x-this.autoPivot.x),this.autoBaseHeight=t.y,this.autoSpeed=e.speed??.8,this.autoVerticalSpeed=e.verticalSpeed??.3,this.autoDollySpeed=e.dollySpeed??0,this.autoMode=l,this.requestRender()}stopAutoCamera(){if(this.autoMode==="off")return;const l=this.autoMode;if(this.autoMode="off",l==="turntable"||l==="crane")this.syncOrbitFromCamera(this.autoPivot);else{const e=this.tmpA.copy(this.entity.forward),t=this.tmpB.copy(this.entity.getPosition()).add(e.mulScalar(this.distance));this.syncOrbitFromCamera(t)}}syncOrbitFromCamera(l){this.pivot.copy(l);const e=this.entity.getPosition();this.dir.sub2(e,this.pivot),this.distance=Math.max(this.dir.length(),.001),this.pitch=Math.asin(Bt(this.dir.y/this.distance,-1,1))/pt,this.yaw=Math.atan2(this.dir.x,this.dir.z)/pt}orbitStateFromPose(l,e,t){const s=this.tmpC.sub2(l,e),i=Math.max(s.length(),.001);return{pivot:e.clone(),yaw:Math.atan2(s.x,s.z)/pt,pitch:Math.asin(Bt(s.y/i,-1,1))/pt,distance:i,fov:t}}syncFromCameraPose(){const l=this.tmpA.copy(this.entity.forward),e=this.tmpB.copy(this.entity.getPosition()).add(l.mulScalar(this.distance));this.syncOrbitFromCamera(e)}beginExternalDrive(){this.externallyDriven=!0}endExternalDrive(){this.externallyDriven=!1}stepAutoCamera(l){this.autoMode!=="off"&&this.updateAutoCamera(l)}updateAutoCamera(l){switch(this.autoMode){case"turntable":{this.autoAngle+=this.autoSpeed*l,this.autoDollySpeed!==0&&(this.autoRadius=Math.max(.3,this.autoRadius-this.autoDollySpeed*l)),this.pos.set(this.autoPivot.x+Math.cos(this.autoAngle)*this.autoRadius,this.autoBaseHeight,this.autoPivot.z+Math.sin(this.autoAngle)*this.autoRadius),this.entity.setPosition(this.pos),this.entity.lookAt(this.autoPivot,this.up);break}case"dolly":{const e=this.autoSpeed*l;this.pos.copy(this.entity.getPosition()).add(this.tmpA.copy(this.autoForward).mulScalar(e)),this.entity.setPosition(this.pos);break}case"crane":{this.autoBaseHeight+=this.autoVerticalSpeed*l,this.autoDollySpeed!==0&&(this.autoRadius=Math.max(.3,this.autoRadius-this.autoDollySpeed*l)),this.pos.set(this.autoPivot.x+Math.cos(this.autoAngle)*this.autoRadius,this.autoBaseHeight,this.autoPivot.z+Math.sin(this.autoAngle)*this.autoRadius),this.entity.setPosition(this.pos),this.entity.lookAt(this.autoPivot,this.up);break}}}applyDragToAutoCamera(l,e,t){if(this.autoMode==="dolly"){if(t){const s=Q5;this.tmpA.copy(this.entity.right).mulScalar(-l*s),this.tmpB.copy(this.entity.up).mulScalar(e*s),this.pos.copy(this.entity.getPosition()).add(this.tmpA).add(this.tmpB),this.entity.setPosition(this.pos)}else this.entity.rotate(0,-l*this.orbitSpeed,0),this.entity.rotateLocal(-e*this.orbitSpeed,0,0),this.autoForward.copy(this.entity.forward);return}if(t){const s=this.autoRadius*this.panSpeed;this.tmpA.copy(this.entity.right).mulScalar(-l*s),this.tmpB.copy(this.entity.up).mulScalar(e*s),this.autoPivot.add(this.tmpA).add(this.tmpB)}else this.autoAngle-=l*this.rollSign*dx,this.autoBaseHeight+=e*this.rollSign*dx*this.autoRadius}applyKeysToAutoCamera(l){const e=this.keys.has("KeyW")||this.keys.has("ArrowUp")||this.externalForward,t=this.keys.has("KeyS")||this.keys.has("ArrowDown")||this.externalBackward,s=this.keys.has("KeyD")||this.keys.has("ArrowRight")||this.externalRight,i=this.keys.has("KeyA")||this.keys.has("ArrowLeft")||this.externalLeft,r=this.keys.has("KeyE"),a=this.keys.has("KeyQ");if(!e&&!t&&!s&&!i&&!r&&!a)return;const n=this.keys.has("ShiftLeft")||this.keys.has("ShiftRight")?3:1,o=this.moveSpeed*n*l;if(this.autoMode==="dolly")e&&this.translateEntity(this.entity.forward,o),t&&this.translateEntity(this.entity.forward,-o),s&&this.translateEntity(this.entity.right,o),i&&this.translateEntity(this.entity.right,-o),r&&this.translateEntity(this.up,o),a&&this.translateEntity(this.up,-o);else{const c=(n===3?1.5:.6)*l;i&&(this.autoAngle-=c),s&&(this.autoAngle+=c),e&&(this.autoRadius=Math.max(.3,this.autoRadius-o)),t&&(this.autoRadius+=o),r&&(this.autoBaseHeight+=o),a&&(this.autoBaseHeight-=o)}}translateEntity(l,e){this.pos.copy(this.entity.getPosition()).add(this.tmpA.copy(l).mulScalar(e)),this.entity.setPosition(this.pos)}applyWheelToAutoCamera(l){const e=l/100*this.moveSpeed*.5;this.autoMode==="dolly"?this.translateEntity(this.autoForward,-e):this.autoRadius=Math.max(.3,this.autoRadius+e)}reset(l=!0){if(this.stopAutoCamera(),!l){this.resetTween=null,this.applyOrbitState(this.initial);return}this.startResetTween(this.initial,Fl)}applyOrbitState(l){this.pivot.copy(l.pivot),this.yaw=l.yaw,this.pitch=l.pitch,this.distance=l.distance,this.fov=l.fov,this.apply()}computePosition(l,e){const t=l.pitch*pt,s=l.yaw*pt;return this.dir.set(Math.cos(t)*Math.sin(s),Math.sin(t),Math.cos(t)*Math.cos(s)),e.copy(l.pivot).add(this.dir.mulScalar(l.distance))}startResetTween(l,e,t,s=!1){const i=this.computePosition(l,new E);this.tweenMat.setLookAt(i,l.pivot,this.up);const r=new ae().setFromMat4(this.tweenMat);this.resetTween={startPos:this.entity.getPosition().clone(),endPos:i,startQuat:this.entity.getRotation().clone(),endQuat:r,startFov:this.fov,endFov:l.fov,startTime:performance.now(),duration:Math.max(e,1),target:{pivot:l.pivot.clone(),yaw:l.yaw,pitch:l.pitch,distance:l.distance,fov:l.fov},onDone:t,locked:s},this.requestRender()}isTransitionLocked(){return this.resetTween?.locked===!0}isWalkableXZ(l,e,t=0){if(!this.collider||!Number.isFinite(l)||!Number.isFinite(e)||!this.isColumnWalkable(l,e))return!1;const i=Math.max(0,t)*this.worldScale;if(i<=0)return!0;const r=8;for(let a=0;a<r;a++){const n=2*Math.PI*a/r,o=l+Math.cos(n)*i,c=e+Math.sin(n)*i;if(!this.isColumnWalkable(o,c))return!1}return!0}isColumnWalkable(l,e){const t=this.collider;if(!t)return!1;const s=t.gridBounds,i=s.max[1]-s.min[1],r=s.max[1]+i*.5,a=i*2+1,n=this.walkRayDownHitY(l,r,e,a);return n===null?!1:this.isWalkFree(l,n+this.walkDims.hoverHeight+this.walkDims.capsuleRadius,e)}routeFloorYAt(l,e,t,s=0){const i=this.collider;if(!i)return null;const r=i.gridBounds,a=r.max[1]-r.min[1],n=a*2+1,o=Math.max(.2,a*.05),c=(u,f)=>{const p=this.walkRayDownHitY(u,t+o,f,n);if(p===null)return null;const m=p+this.walkDims.hoverHeight+this.walkDims.capsuleRadius;return this.isWalkFree(u,m,f)?p:null},h=c(l,e);if(h===null)return null;const d=Math.max(0,s)*this.worldScale;if(d>0)for(let u=0;u<8;u++){const f=2*Math.PI*u/8;if(c(l+Math.cos(f)*d,e+Math.sin(f)*d)===null)return null}return h}isRouteSegmentClear(l,e,t,s,i,r=0){const a=this.collider;if(!a)return!0;const n=a.voxelResolution;if(!(n>0))return!0;const o=Math.hypot(t-l,s-e),c=Math.max(1,Math.ceil(o/n));for(let h=0;h<=c;h++){const d=h/c;if(this.routeFloorYAt(l+(t-l)*d,e+(s-e)*d,i,r)===null)return!1}return!0}planKeyframeRoute(l,e,t=0){const s=this.collider;if(!s)return[l,e];const i=s.voxelResolution*1.5;if(!(i>0))return[l,e];const r=(l.y+e.y)/2;if(this.isRouteSegmentClear(l.x,l.z,e.x,e.z,r,t))return[l,e];

17119const a=this.routeFloorYAt(l.x,l.z,l.y),n=this.routeFloorYAt(e.x,e.z,e.y);if(a===null||n===null)return[l,e];const o=(l.y-a+(e.y-n))/2,c=this.aStarXZ(l,e,i,r,t);if(!c||c.length<2)return[l,e];const h=[l.clone()];for(let d=1;d<c.length-1;d++){const u=c[d],f=this.routeFloorYAt(u.x,u.z,r,t);h.push(new E(u.x,(f??r-o)+o,u.z))}return h.push(e.clone()),h}aStarXZ(l,e,t,s,i){const r=(S,T)=>`${S},${T}`,a=Math.round(l.x/t),n=Math.round(l.z/t),o=Math.round(e.x/t),c=Math.round(e.z/t),h=(S,T)=>Math.hypot(S-o,T-c),d=new Map,u=(S,T)=>{const w=r(S,T),C=d.get(w);if(C!==void 0)return C;const b=this.routeFloorYAt(S*t,T*t,s,i)!==null;return d.set(w,b),b},f=new Map,p=new Map,m=new Map,_=[],g=new Set,v=r(a,n);f.set(v,0),p.set(v,null),m.set(v,[a,n]),_.push({ix:a,iz:n,f:h(a,n)});const x=8e3;let y=0;for(;_.length>0;){let S=0;for(let b=1;b<_.length;b++)_[b].f<_[S].f&&(S=b);const T=_.splice(S,1)[0],w=r(T.ix,T.iz);if(g.has(w))continue;if(g.add(w),T.ix===o&&T.iz===c){const b=[];let I=w;for(;I;){const L=m.get(I);if(!L)break;b.push(L),I=p.get(I)??null}b.reverse();let P=b.map(([L,O])=>({x:L*t,z:O*t}));return P[0]={x:l.x,z:l.z},P[P.length-1]={x:e.x,z:e.z},this.stringPullRoute(P,s,i)}if(++y>x)return null;const C=f.get(w)??0;for(let b=-1;b<=1;b++)for(let I=-1;I<=1;I++){if(b===0&&I===0)continue;const P=T.ix+b,L=T.iz+I,O=r(P,L);if(g.has(O)||!u(P,L)||b!==0&&I!==0&&(!u(T.ix+b,T.iz)||!u(T.ix,T.iz+I)))continue;const D=C+Math.hypot(b,I);D<(f.get(O)??1/0)&&(f.set(O,D),p.set(O,w),m.set(O,[P,L]),_.push({ix:P,iz:L,f:D+h(P,L)}))}}return null}stringPullRoute(l,e,t){if(l.length<=2)return l;const s=[l[0]];let i=0;for(;i<l.length-1;){let r=l.length-1;for(;r>i+1&&!this.isRouteSegmentClear(l[i].x,l[i].z,l[r].x,l[r].z,e,t);r--);s.push(l[r]),i=r}return s}buildPathEyePositions(l){const e=l.filter(a=>a&&Number.isFinite(a.x)&&Number.isFinite(a.z)),t=[],s=a=>{const n=t[t.length-1];n&&n.distance(a)<.001||t.push(a)},i=this.collider;if(this.cameraMode==="walk"&&i&&e.length>0){const a=i.gridBounds,n=this.entity.getPosition(),o=Bt(n.y,a.min[1],a.max[1]),c=this.findWalkSpawnNear(e[0].x,o,e[0].z);c&&this.ensureAutoWalkHeight(c.floorY);const h=this.walkDims.hoverHeight+this.walkDims.eyeHeight,d=c?c.floorY+h:this.walkEyeY||n.y;for(const u of e)s(new E(u.x,d,u.z));return t}const r=this.navigationEyeY??this.entity.getPosition().y;for(const a of e)s(new E(a.x,r,a.z));return t}resolveNavigationPosition(l,e){const t=this.entity.getPosition();if(this.cameraMode!=="walk"){const o=this.navigationEyeY??t.y;return this.walkBounds?new E(Bt(l,this.walkBounds.min[0],this.walkBounds.max[0]),o,Bt(e,this.walkBounds.min[2],this.walkBounds.max[2])):new E(l,o,e)}const s=this.collider;if(!s)return this.walkBounds?new E(Bt(l,this.walkBounds.min[0],this.walkBounds.max[0]),t.y,Bt(e,this.walkBounds.min[2],this.walkBounds.max[2])):null;const i=s.gridBounds,r=Bt(this.entity.getPosition().y,i.min[1],i.max[1]),a=this.findWalkSpawnNear(l,r,e);if(!a)return null;this.ensureAutoWalkHeight(a.floorY);const n=a.floorY+this.walkDims.hoverHeight+this.walkDims.eyeHeight;return new E(a.x,n,a.z)}updateResetTween(){const l=this.resetTween;if(!l)return;const e=(performance.now()-l.startTime)/l.duration;if(e>=1){this.resetTween=null,this.applyOrbitState(l.target),this.closeRoofAfterCrossing(this.entity.getPosition().y),l.onDone?.();return}const t=xX(e<0?0:e);this.pos.lerp(l.startPos,l.endPos,t),this.entity.setPosition(this.pos),this.closeRoofAfterCrossing(this.pos.y),this.tweenQuat.slerp(l.startQuat,l.endQuat,t),this.entity.setRotation(this.tweenQuat),this.entity.camera&&(this.entity.camera.fov=l.startFov+(l.endFov-l.startFov)*t),this.requestRender()}closeRoofAfterCrossing(l){this.pendingRoofCloseY===null||l>this.pendingRoofCloseY||(this.pendingRoofCloseY=null,this.roofCutListener?.(null))}cancelResetTween(l=!1){this.resetTween&&(this.resetTween.locked&&!l||(this.resetTween=null,this.pendingRoofCloseY!==null&&(this.pendingRoofCloseY=null,this.roofCutListener?.(null)),this.syncFromCameraPose()))}dispose(){this.app.off("update",this.onUpdate,this);const l=this.canvas;l.removeEventListener("pointerdown",this.onPointerDown),window.removeEventListener("pointermove",this.onPointerMove),window.removeEventListener("pointerup",this.onPointerUp),l.removeEventListener("wheel",this.onWheel),l.removeEventListener("contextmenu",this.onContextMenu),window.removeEventListener("keydown",this.onKeyDown),window.removeEventListener("keyup",this.onKeyUp)}attach(){this.app.on("update",this.onUpdate,this);const l=this.canvas;l.addEventListener("pointerdown",this.onPointerDown),window.addEventListener("pointermove",this.onPointerMove),window.addEventListener("pointerup",this.onPointerUp),l.addEventListener("wheel",this.onWheel,{passive:!1}),l.addEventListener("contextmenu",this.onContextMenu),window.addEventListener("keydown",this.onKeyDown),window.addEventListener("keyup",this.onKeyUp)}apply(){const l=this.pitch*pt,e=this.yaw*pt;this.dir.set(Math.cos(l)*Math.sin(e),Math.sin(l),Math.cos(l)*Math.cos(e)),this.pos.copy(this.pivot).add(this.dir.mulScalar(this.distance)),this.entity.setPosition(this.pos),this.entity.lookAt(this.pivot,this.up),this.entity.camera&&(this.entity.camera.fov=this.fov),this.requestRender()}orbit(l,e){if(this.dollhouse){this.yaw-=l*this.rollSign*this.orbitSpeed,this.pitch=Bt(this.pitch+e*this.orbitSpeed,J5,eX),this.apply();return}const t=this.tmpC.copy(this.entity.getPosition());this.yaw-=l*this.rollSign*this.orbitSpeed,this.pitch=Bt(this.pitch+e*this.orbitSpeed,-89,89);const s=this.pitch*pt,i=this.yaw*pt,r=this.tmpA.set(Math.cos(s)*Math.sin(i),Math.sin(s),Math.cos(s)*Math.cos(i));this.cameraMode==="walk"&&(this.walkEyeY=t.y),this.pivot.copy(t).sub(r.mulScalar(this.distance)),this.apply()}pan(l,e){if(this.cameraMode==="walk"){this.walkPanOrDolly(-l,-e);return}if(this.dollhouse){const s=this.distance*this.panSpeed,i=this.yaw*pt;this.tmpA.set(Math.cos(i),0,-Math.sin(i)),this.tmpB.set(Math.sin(i),0,Math.cos(i)),this.pivot.add(this.tmpA.mulScalar(-l*s)).add(this.tmpB.mulScalar(e*s)),this.apply();return}const t=this.distance*this.panSpeed;this.tmpA.copy(this.entity.right).mulScalar(-l*t),this.tmpB.copy(this.entity.up).mulScalar(e*t),this.pivot.add(this.tmpA).add(this.tmpB),this.apply()}dolly(l){if(this.cameraMode==="walk"){const e=this.tmpA.copy(this.entity.forward);if(e.y=0,e.lengthSq()<1e-12)return;e.normalize().mulScalar(l),this.walkMove(e),this.finishWalkPointerMove();return}if(this.dollhouse){this.distance=Math.max(.5,this.distance-l),this.apply();return}this.tmpA.copy(this.entity.forward).mulScalar(l),this.pivot.add(this.tmpA),this.apply()}walkPanOrDolly(l,e){const t=this.moveSpeed*.005,s=this.tmpA.copy(this.entity.right);s.y=0;const i=this.tmpB.copy(this.entity.forward);i.y=0,s.lengthSq()>1e-12?s.normalize():s.set(0,0,0),i.lengthSq()>1e-12?i.normalize():i.set(0,0,0);const r=s.mulScalar(l*t).add(i.mulScalar(e*t));r.lengthSq()<1e-12||(this.walkMove(r),this.finishWalkPointerMove())}finishWalkPointerMove(){this.syncWalkPivotY(),this.walkForceStep=!0,this.apply()}onUpdate=l=>{if(this.externallyDriven)return;if(this.trajectory){this.stepTrajectory(l);return}if(this.resetTween){this.updateResetTween();return}if(this.autoMode!=="off"){this.applyKeysToAutoCamera(l),this.updateAutoCamera(l),this.requestRender();return}if(this.cameraMode==="walk"){this.updateWalk(l);return}const e=this.externalForward||this.externalBackward||this.externalLeft||this.externalRight;if(this.keys.size===0&&!e)return;const t=this.keys.has("KeyW")||this.keys.has("ArrowUp")||this.externalForward,s=this.keys.has("KeyS")||this.keys.has("ArrowDown")||this.externalBackward,i=this.keys.has("KeyD")||this.keys.has("ArrowRight")||this.externalRight,r=this.keys.has("KeyA")||this.keys.has("ArrowLeft")||this.externalLeft,a=(t?1:0)-(s?1:0),n=(i?1:0)-(r?1:0),o=(this.keys.has("KeyE")?1:0)-(this.keys.has("KeyQ")?1:0);if(a===0&&n===0&&o===0)return;const c=this.keys.has("ShiftLeft")||this.keys.has("ShiftRight")?3:1,h=this.externalSpeedMultiplier<1?this.externalSpeedMultiplier:1,d=Math.min(l,ux),u=this.moveSpeed*c*h*d;if(this.dollhouse){const _=this.yaw*pt;this.tmpA.set(Math.sin(_),0,Math.cos(_)),this.tmpB.set(Math.cos(_),0,-Math.sin(_)),this.pivot.add(this.tmpA.mulScalar(a*u)).add(this.tmpB.mulScalar(n*u)),o!==0&&(this.distance=Math.max(.5,this.distance-o*u)),this.apply();return}const f=this.tmpA.copy(this.entity.forward),p=this.tmpB.copy(this.entity.right),m=f.mulScalar(a*u).add(p.mulScalar(n*u));this.pivot.add(m),this.pivot.add(this.tmpB.copy(this.up).mulScalar(o*u)),this.apply()};updateWalk(l){const e=this.keys.has("KeyW")||this.keys.has("ArrowUp")||this.externalForward,t=this.keys.has("KeyS")||this.keys.has("ArrowDown")||this.externalBackward,s=this.keys.has("KeyD")||this.keys.has("ArrowRight")||this.externalRight,i=this.keys.has("KeyA")||this.keys.has("ArrowLeft")||this.externalLeft,r=(e?1:0)-(t?1:0),a=(s?1:0)-(i?1:0),n=r!==0||a!==0,o=this.keys.has("Space");if(n||o||this.walkJumping||this.walkForceStep||!this.walkGrounded||Math.abs(this.walkVelocityY)>

17119this.walkDims.settleVelocity){if(this.walkForceStep=!1,n){const h=this.keys.has("ShiftLeft")||this.keys.has("ShiftRight")?3:1,d=this.externalSpeedMultiplier<1?this.externalSpeedMultiplier:1,u=Math.min(l,ux),f=this.moveSpeed*h*d*u,p=this.tmpA.copy(this.entity.forward),m=this.tmpB.copy(this.entity.right);p.y=0,m.y=0,p.length()>1e-6&&p.normalize(),m.length()>1e-6&&m.normalize();const _=p.mulScalar(r*f).add(m.mulScalar(a*f));this.walkMove(_)}this.collider&&this.stepWalkVertical(l,o),this.syncWalkPivotY(),this.apply()}}walkMove(l){const e=Math.sqrt(l.x*l.x+l.z*l.z),t=this.walkDims.maxStep,s=t*cX;let i=l.x,r=l.z,a=e;if(e>s){const h=s/e;i*=h,r*=h,a=s}const n=a>t?Math.ceil(a/t):1,o=i/n,c=r/n;for(let h=0;h<n;h++)this.pivot.x+=o,this.pivot.z+=c,this.tryWalkStepUp()||this.resolveWalkCollision();this.walkBounds&&!this.collider&&(this.pivot.x=Bt(this.pivot.x,this.walkBounds.min[0],this.walkBounds.max[0]),this.pivot.z=Bt(this.pivot.z,this.walkBounds.min[2],this.walkBounds.max[2]))}walkCapsuleColliding(){const l=this.collider;if(!l)return!1;const e=this.walkEyePosition(this.tmpC),t=this.walkDims,s=e.y-t.eyeHeight+t.capsuleHeight*.5,i=t.capsuleHeight*.5-t.capsuleRadius,r=this.colliderSignX,a=this.colliderSignY,n=this.colliderSignZ;return l.queryCapsule(r*e.x,a*s,n*e.z,i,t.capsuleRadius,this.pushOut)}tryWalkStepUp(){const l=this.collider;if(!l||!this.walkGrounded)return!1;const e=this.walkDims.maxClimb;if(!(e>0)||!this.walkCapsuleColliding())return!1;const t=this.walkEyeY,s=Math.max(l.voxelResolution>0?l.voxelResolution:.05,e/8);for(let i=s;i<=e+1e-6;i+=s)if(this.walkEyeY=t+i,this.syncWalkPivotY(),!this.walkCapsuleColliding())return this.walkVelocityY<0&&(this.walkVelocityY=0),this.walkGrounded=!0,!0;return this.walkEyeY=t,this.syncWalkPivotY(),!1}resolveWalkCollision(){if(!this.walkCapsuleColliding())return;const l=this.colliderSignX,e=this.colliderSignY,t=this.colliderSignZ,s=l*this.pushOut.x,i=e*this.pushOut.y,r=t*this.pushOut.z;this.pivot.x+=s,this.pivot.z+=r,this.walkEyeY+=i,i<0&&this.walkVelocityY>0&&(this.walkVelocityY=0),!this.walkGrounded&&i>0&&this.walkVelocityY<0&&(this.walkVelocityY=0,this.walkGrounded=!0),this.syncWalkPivotY()}walkEyePosition(l){const e=this.pitch*pt,t=this.yaw*pt,s=Math.cos(e);return l.set(this.pivot.x+s*Math.sin(t)*this.distance,this.walkEyeY,this.pivot.z+s*Math.cos(t)*this.distance)}syncWalkPivotY(){this.pivot.y=this.walkEyeY-Math.sin(this.pitch*pt)*this.distance}stepWalkVertical(l,e){for(this.walkAccumulator=Math.min(this.walkAccumulator+l,hX*pd);this.walkAccumulator>=pd;)this.walkVerticalSubstep(pd,e),this.walkAccumulator-=pd}walkVerticalSubstep(l,e){const t=this.probeWalkGround();this.walkVelocityY<0&&(this.walkJumping=!1),e&&!this.walkJumping&&this.walkGrounded&&!this.walkJumpHeld&&(this.walkJumping=!0,this.walkVelocityY=this.walkDims.jumpSpeed,this.walkGrounded=!1),this.walkJumpHeld=e;const s=this.walkDims;if(t!==null&&!this.walkJumping){const i=t+s.hoverHeight+s.eyeHeight,r=this.walkEyeY-i;if(r>s.freefallThreshold)this.walkVelocityY-=s.gravity*l,this.walkEyeY+this.walkVelocityY*l<=i?(this.walkEyeY=i,this.walkVelocityY=0,this.walkGrounded=!0):this.walkGrounded=!1;else{const a=-800*r-uX*this.walkVelocityY;this.walkVelocityY+=a*l,this.walkGrounded=!0}}else this.walkVelocityY-=s.gravity*l,this.walkGrounded=!1;this.walkEyeY+=this.walkVelocityY*l,this.syncWalkPivotY(),this.resolveWalkVerticalCollision()}probeWalkGround(){if(!this.collider)return null;const e=this.walkEyePosition(this.tmpC),t=e.y-this.walkDims.eyeHeight,s=this.walkDims.capsuleRadius;let i=0,r=0;for(let a=0;a<5;a++){let n=e.x,o=e.z;a===1?n-=s:a===2?n+=s:a===3?o+=s:a===4&&(o-=s);const c=this.walkRayDownHitY(n,t,o,this.walkDims.groundProbeRange);c!==null&&(i+=c,r++)}return r>0?i/r:null}walkRayHitY(l,e,t,s,i){const r=this.collider;if(!r)return null;const a=this.colliderSignX,n=this.colliderSignY,o=this.colliderSignZ,c=r.queryRay(a*l,n*e,o*t,0,n*s,0,i);return c?n*c.y:null}walkRayDownHitY(l,e,t,s){return this.walkRayHitY(l,e,t,-1,s)}resolveWalkVerticalCollision(){const l=this.collider;if(!l)return;const e=this.walkEyePosition(this.tmpC),t=this.walkDims,s=e.y-t.eyeHeight+t.capsuleHeight*.5,i=t.capsuleHeight*.5-t.capsuleRadius,r=this.colliderSignX,a=this.colliderSignY,n=this.colliderSignZ;if(!l.queryCapsule(r*e.x,a*s,n*e.z,i,t.capsuleRadius,this.pushOut))return;const o=r*this.pushOut.x,c=a*this.pushOut.y,h=n*this.pushOut.z;this.pivot.x+=o,this.pivot.z+=h,this.walkEyeY+=c,c<0&&this.walkVelocityY>0&&(this.walkVelocityY=0),!this.walkGrounded&&c>0&&this.walkVelocityY<0&&(this.walkVelocityY=0,this.walkGrounded=!0),this.syncWalkPivotY()}spawnWalk(){const l=this.entity.getPosition(),e=this.findWalkSpawnNear(l.x,l.y,l.z);e&&this.applyWalkSpawn(e)}findWalkSpawnNear(l,e,t){const s=this.collider;if(!s)return null;const i=s.voxelResolution;if(!(i>0))return null;const r=this.walkDims,a=Math.max(i,r.spawnSearchRadius/24),n=r.spawnSearchRadius*r.spawnSearchRadius,o=Math.ceil(r.spawnSearchRadius/a),c=(r.capsuleHeight+r.hoverHeight)*.5,h=r.capsuleRadius,d=Math.min(Math.ceil(h/i),3),u=h*h,f=s.gridBounds.max[1]-s.gridBounds.min[1],p=Math.min(f*2+i,40);let m=1/0,_=null,g=15e4;e:for(let v=0;v<=o&&!(v*a*(v*a)>=m);v++)for(let y=-v;y<=v;y++){const S=y<0?-y:y;for(let T=-v;T<=v;T++){const w=T<0?-T:T;for(let C=-v;C<=v;C++){if((C<0?-C:C)<v&&S<v&&w<v)continue;const I=(C*C+y*y+T*T)*a*a;if(I>=m||I>n)continue;const P=l+C*a,L=e+y*a,O=t+T*a;if(!this.isWalkFree(P,L,O))continue;let D=-1/0,N=1/0,k=!0;for(let A=-d;A<=d&&k;A++){const M=A*i,R=M*M;for(let F=-d;F<=d;F++){const U=F*i;if(R+U*U>u)continue;const B=P+M,z=O+U;if(g-=2,g<=0)break e;const $=this.walkRayHitY(B,L,z,-1,p);if($===null){k=!1;break}$>D&&(D=$);const K=this.walkRayHitY(B,L,z,1,p);K!==null&&K<N&&(N=K)}}k&&(D+2*c>N||(m=I,_={x:P,floorY:D,z:O}))}}}return _}applyWalkSpawn(l){this.ensureAutoWalkHeight(l.floorY);const e=this.walkDims,t=l.floorY+e.hoverHeight+e.eyeHeight;this.walkEyeY=t,this.walkVelocityY=0,this.walkGrounded=!0,this.walkJumping=!1;const s=this.pitch*pt,i=this.yaw*pt,r=Math.cos(s);this.pivot.x=l.x-r*Math.sin(i)*this.distance,this.pivot.z=l.z-r*Math.cos(i)*this.distance}isWalkFree(l,e,t){const s=this.collider;return 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a=i.mulScalar(t).add(r.mulScalar(s));a.lengthSq()>1e-12&&(this.walkMove(a),this.finishWalkPointerMove());return}this.dolly(-l.deltaY/100*this.moveSpeed*.5)}};onContextMenu=l=>{l.preventDefault()};onKeyDown=l=>{if(!yX(l.target)&&((l.code==="ArrowUp"||l.code==="ArrowDown"||l.code==="ArrowLeft"||l.code==="ArrowRight")&&l.preventDefault(),l.code==="Space"&&this.cameraMode==="walk"&&l.preventDefault(),!this.isTransitionLocked())){if(this.stopPath(),l.code==="Digit0"||l.code==="Numpad0"){this.reset();return}this.cancelResetTween(),this.keys.add(l.code)}};onKeyUp=l=>{this.keys.delete(l.code)};currentPinchDistance(){const l=[...this.pointers.values()];if(l.length<2)return 0;const e=l[0],t=l[1];return Math.hypot(e.x-t.x,e.y-t.y)}};function Bt(l,e,t){return l<e?e:l>t?t:l}function yX(l){if(!(l instanceof HTMLElement))return!1;if(l.isContentEditable)return!0;const e=l.tagName;return e==="INPUT"||e==="TEXTAREA"||e==="SELECT"}function xX(l){return l<.5?4*l*l*l:1-(-2*l+2)**3/2}function TX(l){const 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17123          animation: pcv-core-pulse 1.5s ease-in-out infinite alternate;
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17125        .pcv-orbit-x {
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17144          100% { transform: scale(1.3); filter: drop-shadow(0 0 10px #2DD4BF); }
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17146        @keyframes pcv-spin-x { 100% { transform: rotateX(360deg); } }
17147        @keyframes pcv-spin-y { 100% { transform: rotateY(360deg); } }
17148        @keyframes pcv-spin-z { 100% { transform: rotateZ(360deg); } }
17149        @keyframes pcv-compile {
17150          0% { stroke-dashoffset: 100; opacity: 0; }
17151          50% { stroke-dashoffset: 0; opacity: 1; filter: drop-shadow(0 0 4px #2DD4BF); }
17152          100% { stroke-dashoffset: -100; opacity: 0; }
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17154queryPoint(e,t,s){const i=Math.floor((e-this.gridBounds.min[0])/this.voxelResolution),r=Math.floor((t-this.gridBounds.min[1])/this.voxelResolution),a=Math.floor((s-this.gridBounds.min[2])/this.voxelResolution);return this.isVoxelSolid(i,r,a)}estimateWorldScale(){return this.cachedWorldScale??=XX(this),this.cachedWorldScale}cachedWorldScale=null;isPointBlocked(e,t,s){const i=Math.floor((e-this.gridBounds.min[0])/this.voxelResolution),r=Math.floor((t-this.gridBounds.min[1])/this.voxelResolution),a=Math.floor((s-this.gridBounds.min[2])/this.voxelResolution);return this.isSolidForResolve(i,r,a)}queryCapsule(e,t,s,i,r,a){return this.queryIterative((n,o,c)=>this.resolveDeepestCapsulePenetration(n,o,c,i,r))(e,t,s,a)}querySphere(e,t,s,i,r){return this.queryIterative((a,n,o)=>this.resolveDeepestSpherePenetration(a,n,o,i))(e,t,s,r)}queryRay(e,t,s,i,r,a,n){if(this.nodes.length===0)return null;const o=this.voxelResolution,c=this.gridBounds.min[0],h=this.gridBounds.min[1],d=this.gridBounds.min[2],u=c+this.numVoxelsX*o,f=h+this.numVoxelsY*o,p=d+this.numVoxelsZ*o,m=1e-12;let _=0,g=n;if(Math.abs(i)>m){let B=(c-e)/i,z=(u-e)/i;if(B>z){const $=B;B=z,z=$}if(B>_&&(_=B),g=Math.min(g,z),_>g)return null}else if(e<c||e>=u)return null;if(Math.abs(r)>m){let B=(h-t)/r,z=(f-t)/r;if(B>z){const $=B;B=z,z=$}if(B>_&&(_=B),g=Math.min(g,z),_>g)return null}else if(t<h||t>=f)return null;if(Math.abs(a)>m){let B=(d-s)/a,z=(p-s)/a;if(B>z){const $=B;B=z,z=$}if(B>_&&(_=B),g=Math.min(g,z),_>g)return null}else if(s<d||s>=p)return null;const v=e+i*_,x=t+r*_,y=s+a*_;let S=Rm(Math.floor((v-c)/o),this.numVoxelsX-1),T=Rm(Math.floor((x-h)/o),this.numVoxelsY-1),w=Rm(Math.floor((y-d)/o),this.numVoxelsZ-1);const C=i>0?1:i<0?-1:0,b=r>0?1:r<0?-1:0,I=a>0?1:a<0?-1:0,P=Math.abs(i)>m?1/i:0,L=Math.abs(r)>m?1/r:0,O=Math.abs(a)>m?1/a:0;let D=Math.abs(i)>m?(c+(S+(i>0?1:0))*o-e)*P:1/0,N=Math.abs(r)>m?(h+(T+(r>0?1:0))*o-t)*L:1/0,k=Math.abs(a)>m?(d+(w+(a>0?1:0))*o-s)*O:1/0;const A=Math.abs(i)>m?o*Math.abs(P):1/0,M=Math.abs(r)>m?o*Math.abs(L):1/0,R=Math.abs(a)>m?o*Math.abs(O):1/0;let F=_;const U=this.numVoxelsX+this.numVoxelsY+this.numVoxelsZ;for(let B=0;B<U;B++){if(this.isVoxelSolid(S,T,w))return this.rayHit.x=e+i*F,this.rayHit.y=t+r*F,this.rayHit.z=s+a*F,this.rayHit;if(D<N?D<k?(F=D,S+=C,D+=A):(F=k,w+=I,k+=R):N<k?(F=N,T+=b,N+=M):(F=k,w+=I,k+=R),S<0||T<0||w<0||S>=this.numVoxelsX||T>=this.numVoxelsY||w>=this.numVoxelsZ||F>n)return null}return null}sampleSolidVoxels(e){const t=[];if(this.nodes.length===0||e<=0)return t;const s=this.numVoxelsX*this.numVoxelsY*this.numVoxelsZ,i=Math.max(1,Math.ceil(Math.cbrt(s/e))),r=this.voxelResolution*i;for(let a=0;a<this.numVoxelsZ;a+=i)for(let n=0;n<this.numVoxelsY;n+=i)for(let o=0;o<this.numVoxelsX;o+=i){if(!this.isVoxelSolid(o,n,a)||!this.isSampleSurface(o,n,a,i))continue;const c=[this.gridBounds.min[0]+o*this.voxelResolution,this.gridBounds.min[1]+n*this.voxelResolution,this.gridBounds.min[2]+a*this.voxelResolution];if(t.push({min:c,max:[c[0]+r,c[1]+r,c[2]+r]}),t.length>=e)return t}return t}sampleSolidVoxelCenters(e){const t=[];if(this.nodes.length===0||e<=0)return t;const s=this.leafSize,i=this.voxelResolution,r=this.gridBounds.min[0],a=this.gridBounds.min[1],n=this.gridBounds.min[2],o=(h,d,u,f)=>{const p=f*s/2;t.push({x:r+(h*s+p)*i,y:a+(d*s+p)*i,z:n+(u*s+p)*i})},c=[{nodeIndex:0,blockX:0,blockY:0,blockZ:0,sizeBlocks:1<<this.treeDepth}];for(;c.length>0&&t.length<e;){const h=c.pop();if(!h||h.nodeIndex>=this.nodes.length)continue;const d=this.nodes[h.nodeIndex]>>>0;if(d===Dm){o(h.blockX,h.blockY,h.blockZ,h.sizeBlocks);continue}const u=d>>>24&255;if(u===0){o(h.blockX,h.blockY,h.blockZ,1);continue}const f=d&16777215,p=h.sizeBlocks>>1;let m=0;for(let _=0;_<8;_++){if((u&1<<_)===0)continue;const g=_&1?p:0,v=_&2?p:0,x=_&4?p:0;c.push({nodeIndex:f+m,blockX:h.blockX+g,blockY:h.blockY+v,blockZ:h.blockZ+x,sizeBlocks:p}),m+=1}}return t}isSampleSurface(e,t,s,i){const r=(a,n,o)=>a>=0&&n>=0&&o>=0&&a<this.numVoxelsX&&n<this.numVoxelsY&&o<this.numVoxelsZ&&!this.isVoxelSolid(a,n,o);return r(e-i,t,s)||r(e+i,t,s)||r(e,t-i,s)||r(e,t+i,s)||r(e,t,s-i)||r(e,t,s+i)}queryIterative(e){return(t,s,i,r)=>{if(this.nodes.length===0)return!1;let a=t,n=s,o=i,c=0,h=0,d=0,u=!1,f=0;for(let _=0;_<4&&e(a,n,o);_++){u=!0;let g=this.push.x,v=this.push.y,x=this.push.z;for(let S=0;S<f;S++){const T=this.constraintNormals[S],w=g*T.x+v*T.y+x*T.z;w>=0||(g-=w*T.x,v-=w*T.y,x-=w*T.z)}const y=Math.sqrt(this.push.x*this.push.x+this.push.y*this.push.y+this.push.z*this.push.z);if(y>_d&&f<3){const S=this.constraintNormals[f],T=1/y;S.x=this.push.x*T,S.y=this.push.y*T,S.z=this.push.z*T,f++}a+=g,n+=v,o+=x,c+=g,h+=v,d+=x}const p=c*c+h*h+d*d,m=u&&p>_d*_d;return m&&(r.x=c,r.y=h,r.z=d),m}}resolveDeepestSpherePenetration(e,t,s,i){const r=Math.floor((e-i-this.gridBounds.min[0])/this.voxelResolution),a=Math.floor((t-i-this.gridBounds.min[1])/this.voxelResolution),n=Math.floor((s-i-this.gridBounds.min[2])/this.voxelResolution),o=Math.floor((e+i-this.gridBounds.min[0])/this.voxelResolution),c=Math.floor((t+i-this.gridBounds.min[1])/this.voxelResolution),h=Math.floor((s+i-this.gridBounds.min[2])/this.voxelResolution);return this.resolveDeepestVoxelPenetration(r,a,n,o,c,h,i,(d,u)=>Math.max(d,Math.min(t,u)),e,s)}resolveDeepestCapsulePenetration(e,t,s,i,r){const a=t-i,n=t+i,o=Math.floor((e-r-this.gridBounds.min[0])/this.voxelResolution),c=Math.floor((a-r-this.gridBounds.min[1])/this.voxelResolution),h=Math.floor((s-r-this.gridBounds.min[2])/this.voxelResolution),d=Math.floor((e+r-this.gridBounds.min[0])/this.voxelResolution),u=Math.floor((n+r-this.gridBounds.min[1])/this.voxelResolution),f=Math.floor((s+r-this.gridBounds.min[2])/this.voxelResolution);return this.resolveDeepestVoxelPenetration(o,c,h,d,u,f,r,(p,m)=>n<p?n:a>m?a:Math.max(a,Math.min((p+m)*.5,n)),e,s)}resolveDeepestVoxelPenetration(e,t,s,i,r,a,n,o,c,h){const d=n*n;let u=0,f=0,p=0,m=_d,_=!1;for(let g=s;g<=a;g++)for(let v=t;v<=r;v++)for(let x=e;x<=i;x++){if(!this.isSolidForResolve(x,v,g))continue;const y=this.gridBounds.min[0]+x*this.voxelResolution,S=this.gridBounds.min[1]+v*this.voxelResolution,T=this.gridBounds.min[2]+g*this.voxelResolution,w=y+this.voxelResolution,C=S+this.voxelResolution,b=T+this.voxelResolution,I=o(S,C),P=Math.max(y,Math.min(c,w)),L=Math.max(S,Math.min(I,C)),O=Math.max(T,Math.min(h,b)),D=c-P,N=I-L,k=h-O,A=D*D+N*N+k*k;if(A>=d)continue;const M=this.getVoxelPush(A,D,N,k,c,I,h,y,S,T,w,C,b,n);M.penetration<=m||(m=M.penetration,u=M.x,f=M.y,p=M.z,_=!0)}return _&&(this.push.x=u,this.push.y=f,this.push.z=p),_}getVoxelPush(e,t,s,i,r,a,n,o,c,h,d,u,f,p){if(e>1e-12){const S=Math.sqrt(e),T=p-S,w=1/S;return{x:t*w*T,y:s*w*T,z:i*w*T,penetration:T}}const m=r-o<d-r?-(r-o+p):d-r+p,_=a-c<u-a?-(a-c+p):u-a+p,g=n-h<f-n?-(n-h+p):f-n+p,v=Math.abs(m),x=Math.abs(_),y=Math.abs(g);return v<=x&&v<=y?{x:m,y:0,z:0,penetration:v}:x<=y?{x:0,y:_,z:0,penetration:x}:{x:0,y:0,z:g,penetration:y}}

17154isSolidForResolve(e,t,s){return e<0||t<0||s<0||e>=this.numVoxelsX||t>=this.numVoxelsY||s>=this.numVoxelsZ?this.nodes.length>0:this.isVoxelSolid(e,t,s)}isVoxelSolid(e,t,s){if(this.nodes.length===0||e<0||t<0||s<0||e>=this.numVoxelsX||t>=this.numVoxelsY||s>=this.numVoxelsZ)return!1;const i=Math.floor(e/this.leafSize),r=Math.floor(t/this.leafSize),a=Math.floor(s/this.leafSize);let n=0;for(let c=this.treeDepth-1;c>=0;c--){const h=this.nodes[n]>>>0;if(h===Dm)return!0;const d=h>>>24&255;if(d===0)return this.checkLeafByIndex(h,e,t,s);const u=i>>>c&1,f=r>>>c&1,m=(a>>>c&1)<<2|f<<1|u;if((d&1<<m)===0||(n=(h&16777215)+YX(d&(1<<m)-1),n>=this.nodes.length))return!1}const o=this.nodes[n]>>>0;return o===Dm?!0:this.checkLeafByIndex(o,e,t,s)}checkLeafByIndex(e,t,s,i){const a=(e&16777215)*2;if(a+1>=this.leafData.length)return!1;const n=(i&3)*16+(s&3)*4+(t&3);return n<32?(this.leafData[a]>>>0>>>n&1)===1:(this.leafData[a+1]>>>0>>>n-32&1)===1}};function Rm(l,e){return l<0?0:l>e?e:l}var KX=1400,ZX=class{app;boxes;color=new Q(.2,.85,1,.8);corners=Array.from({length:8},()=>new E);isEnabled=!1;signX;signY;signZ;constructor(l,e,t=[1,1,1]){this.app=l,this.boxes=e.sampleSolidVoxels(KX),this.signX=t[0],this.signY=t[1],this.signZ=t[2],this.app.on("update",this.onUpdate,this)}setSigns(l){this.signX=l[0],this.signY=l[1],this.signZ=l[2],this.isEnabled&&(this.app.renderNextFrame=!0)}voxelToPlayCanvas(l,e){return e.set(this.signX*l[0],this.signY*l[1],this.signZ*l[2])}get enabled(){return this.isEnabled}set enabled(l){this.isEnabled=l,l&&(this.app.renderNextFrame=!0)}destroy(){this.app.off("update",this.onUpdate,this)}onUpdate=()=>{if(this.isEnabled)for(const l of this.boxes)this.drawBox(l)};drawBox(l){const[e,t,s]=l.min,[i,r,a]=l.max;this.voxelToPlayCanvas([e,t,s],this.corners[0]),this.voxelToPlayCanvas([i,t,s],this.corners[1]),this.voxelToPlayCanvas([i,r,s],this.corners[2]),this.voxelToPlayCanvas([e,r,s],this.corners[3]),this.voxelToPlayCanvas([e,t,a],this.corners[4]),this.voxelToPlayCanvas([i,t,a],this.corners[5]),this.voxelToPlayCanvas([i,r,a],this.corners[6]),this.voxelToPlayCanvas([e,r,a],this.corners[7]),this.line(0,1),this.line(1,2),this.line(2,3),this.line(3,0),this.line(4,5),this.line(5,6),this.line(6,7),this.line(7,4),this.line(0,4),this.line(1,5),this.line(2,6),this.line(3,7)}line(l,e){this.app.drawLine(this.corners[l],this.corners[e],this.color,!1)}},QX=75,JX=1,eY=.42,tY=.78,YC=1.08,sY=68,iY=350;function Sx(l){if(!(l instanceof HTMLElement))return!1;const e=l.tagName.toLowerCase();return l.isContentEditable||e==="input"||e==="textarea"||e==="select"}function yx(l){return l.loadingCount>0?`Loading ${l.label} detail...`:`Loading ${l.label} detail...`}function rY(l){return l==="fast"?"Fast":l==="highest"?"Highest Quality":"Balance"}async function aY(l){if(!l)return{collider:null,failed:!1};try{return{collider:await $X.load(l),failed:!1}}catch{return{collider:null,failed:!0}}}function xx(l,e,t){if(t!=="auto")switch(t){case"x180":return"x180";case"y180":return"y180";case"z180":return"z180";default:return"none"}const s=L5(l,e);return s==="x180"?"x180":s==="z180"?"z180":"none"}

17154var Tx={none:[0,0,0],x180:[180,0,0],y180:[0,180,0],z180:[0,0,180]};async function nY(l){try{if(typeof createImageBitmap!="function")return!1;const e=await createImageBitmap(l),t=Math.max(1,Math.min(e.width,64)),s=Math.max(1,Math.min(e.height,64)),i=document.createElement("canvas");i.width=t,i.height=s;const r=i.getContext("2d");if(!r)return e.close?.(),!1;r.drawImage(e,0,0,t,s),e.close?.();const{data:a}=r.getImageData(0,0,t,s);let n=0;for(let o=0;o<a.length;o+=4)(a[o]>8||a[o+1]>8||a[o+2]>8)&&(n+=1);return n/(t*s)<.005}catch{return!1}}function wx(l){return Array.isArray(l)&&l.length===3&&l.every(e=>typeof e=="number"&&Number.isFinite(e))}function _o(l){if(!l||typeof l!="object")return!1;const e=l;return wx(e.min)&&wx(e.max)}function Hl(l,e){const t=e[0]*l.min[0],s=e[0]*l.max[0],i=e[1]*l.min[1],r=e[1]*l.max[1],a=e[2]*l.min[2],n=e[2]*l.max[2];return{min:[Math.min(t,s),Math.min(i,r),Math.min(a,n)],max:[Math.max(t,s),Math.max(i,r),Math.max(a,n)]}}function ao(l,e){const t=l.slice().sort((i,r)=>i-r),s=Math.min(t.length-1,Math.max(0,Math.round(e*(t.length-1))));return t[s]}function jC(l,e){if(!l)return null;const t=l.sampleSolidVoxelCenters(4e4);if(t.length<32)return null;const s=[],i=[],r=[];for(const n of t){const o=e[0]*n.x,c=e[1]*n.y,h=e[2]*n.z;!Number.isFinite(o)||!Number.isFinite(c)||!Number.isFinite(h)||(s.push(o),i.push(c),r.push(h))}if(s.length<32)return null;const a=l.voxelResolution||0;return{min:[ao(s,.02)-a,ao(i,.02)-a,ao(r,.02)-a],max:[ao(s,.98)+a,ao(i,.98)+a,ao(r,.98)+a]}}function qC(l,e){const t={xAxis:[1,0],yAxis:[0,1]};if(!l)return t;let s=0,i=0;const r=[],a=l.sampleSolidVoxelCenters(4096);if(a.length>=8)for(const _ of a){const g=e[0]*_.x,v=e[2]*_.z;r.push([g,v]),s+=g,i+=v}else{const _=l.sampleSolidVoxels(4096);if(_.length<8)return t;for(const g of _){const v=e[0]*((g.min[0]+g.max[0])*.5),x=e[2]*((g.min[2]+g.max[2])*.5);r.push([v,x]),s+=v,i+=x}}if(r.length<8)return t;s/=r.length,i/=r.length;for(const[_,g]of r)if(!Number.isFinite(_)||!Number.isFinite(g))return t;let n=0,o=0,c=0;for(const[_,g]of r){const v=_-s,x=g-i;n+=v*v,o+=v*x,c+=x*x}if(n+c<=1e-6)return t;const h=.5*Math.atan2(2*o,n-c),d=[0,Math.PI/2,h,h+Math.PI/2];let u=0,f=1/0;for(const _ of d){const g=Math.cos(_),v=Math.sin(_),x=-v,y=g;let S=1/0,T=-1/0,w=1/0,C=-1/0;for(const[I,P]of r){const L=I-s,O=P-i,D=L*g+O*v,N=L*x+O*y;S=Math.min(S,D),T=Math.max(T,D),w=Math.min(w,N),C=Math.max(C,N)}const b=(T-S)*(C-w);b<f&&(f=b,u=_)}let p=Math.cos(u),m=Math.sin(u);if(Math.abs(p)<Math.abs(m)){const _=-m;m=p,p=_}return(p<0||Math.abs(p)<1e-6&&m<0)&&(p*=-1,m*=-1),{xAxis:[p,m],yAxis:[-m,p]}}function Cx(l,e,t,s=16/9,i=tY){if(!l||!_o(l.gridBounds))return null;const r=_o(l.gaussianBounds)?l.gaussianBounds:l.gridBounds,a=jC(l,e)??Hl(r,e),[n,o,c]=a.min,[h,d,u]=a.max,f=h-n,p=u-c,m=d-o;if(!(f>0)||!(p>0)||!(m>0))return null;const _=(n+h)/2,g=(c+u)/2,{xAxis:v,yAxis:x}=qC(l,e),y=[[n,c],[n,u],[h,c],[h,u]];let S=0,T=0;for(const[B,z]of y){const $=B-_,K=z-g;S=Math.max(S,Math.abs($*v[0]+K*v[1])),T=Math.max(T,Math.abs($*x[0]+K*x[1]))}const w=o+m*i,C=sY,b=C*Math.PI/180,I=Math.sin(b);if(I<.001)return null;const P=o+m*.12,L=s>.2?s:16/9,O=(t>5?t:75)*Math.PI/180/2,D=Math.tan(O);if(D<.001)return null;const N=YC,k=T*N/D,A=S*N/(D*L),M=Math.max(k,A)/I,R=(d+m*.45-P)/I,F=Math.max(M,R,2);let U=(d+m*.18-P)/I;return U>.5||(U=F*.45),U>=F*.9&&(U=F*.5),U=Math.max(U,1),{pivot:[_,P,g],yaw:Math.atan2(x[0],x[1])*180/Math.PI,pitch:C,cutHeight:w,fov:t,outsideDistance:U,overviewDistance:F}}async function oY(l){if(typeof document>"u"||typeof createImageBitmap!="function")return null;try{const e=await createImageBitmap(l),t=Math.min(e.width,e.height);if(!(t>0))return e.close?.(),null;const s=document.createElement("canvas");s.width=t,s.height=t;const i=s.getContext("2d");if(!i)return e.close?.(),null;i.drawImage(e,Math.round((e.width-t)/2),Math.round((e.height-t)/2),t,t,0,0,t,t),e.close?.();const r=await new Promise(a=>s.toBlob(a,"image/png"));return r?{blob:r,size:t}:null}catch{return null}}var dY=he.forwardRef(function({contentUrl:e,format:t,skyboxUrl:s,collisionUrl:i,background:r=[0,0,0],fov:a=QX,initialCamera:n,transform:o="none",transformOverride:c="auto",render

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17154requestAnimationFrame(()=>ZC()));const vs=await new Promise(dh=>fe.toBlob(dh,"image/png"));if(!vs||await nY(vs))return null;const Br=await oY(vs),En=Br?[ch,ch]:[$C,Xf],rl=Br?.size??Math.min(fe.width,fe.height);return{blob:Br?.blob??vs,bounds:{min:[wt,Ct,si],max:[ts,_s,Ci]},coordinateFrame:{origin:[gs,Or],xAxis:Et,yAxis:os,halfSize:En},width:rl,height:rl,cutHeight:hh}}finally{jt(te.current),qt.projection=Vf??mi,qt.orthoHeight=Gf,qt.nearClip=sl,qt.farClip=ii,qt.fov=Hf,ee.endExternalDrive(),ee.setPose(new E(Yi.position[0],Yi.position[1],Yi.position[2]),new E(Yi.target[0],Yi.target[1],Yi.target[2]),Yi.fov),W.requestRender()}},[lh,jt,P]),ov=he.useCallback(V=>{const W=av.current.then(()=>nv(V));return av.current=W.then(()=>{},()=>{}),W},[nv]),lv=he.useCallback(async V=>{const W=F.current,ee=M.current;if(!W||!ee||ee.width===0||ee.height===0)return null;W.requestRender(),await new Promise(Oe=>requestAnimationFrame(()=>Oe()));const fe=await new Promise(Oe=>ee.toBlob(Oe,"image/png"));if(!fe)return null;try{if(typeof createImageBitmap!="function")return await new Promise(Ci=>{const Ei=new FileReader;Ei.onload=()=>Ci(typeof Ei.result=="string"?Ei.result:null),Ei.onerror=()=>Ci(null),Ei.readAsDataURL(fe)});const Oe=await createImageBitmap(fe),We=Math.max(32,V?.maxWidthPx??160),wt=Math.min(1,We/Math.max(1,Oe.width)),Ct=Math.max(1,Math.round(Oe.width*wt)),si=Math.max(1,Math.round(Oe.height*wt)),ts=document.createElement("canvas");ts.width=Ct,ts.height=si;const _s=ts.getContext("2d");return _s?(_s.imageSmoothingEnabled=!0,_s.imageSmoothingQuality="high",_s.drawImage(Oe,0,0,Ct,si),Oe.close?.(),ts.toDataURL("image/jpeg",V?.quality??.72)):(Oe.close?.(),null)}catch{return null}},[]);return he.useImperativeHandle(A,()=>({resetView:()=>R.current?.reset(),setExternalMovement:V=>R.current?.setExternalMovement(V),getAutoCameraMode:()=>R.current?.getAutoCameraMode()??"off",getCameraMode:()=>R.current?.getCameraMode()??"fly",setCameraMode:V=>{const W=R.current;if((J.current||W?.isDollhouseMode()===!0)&&V==="walk"&&W){_e.current=!0,J.current=!1,W.exitDollhouseToOrigin("walk",()=>{_e.current=!1,jt(null)}),F.current?.requestRender();return}V==="walk"&&(J.current=!1,W?.setDollhouseMode(!1),jt(null)),W?.setCameraMode(V),F.current?.requestRender()},getCameraPose:()=>R.current?.getCameraPose()??null,getNavigationBounds:()=>{const V=$.current;if(!V||!_o(V.gridBounds))return null;const W=K.current,ee=_o(V.gaussianBounds)?V.gaussianBounds:V.gridBounds;return{gridBounds:Hl(V.gridBounds,W),gaussianBounds:Hl(ee,W),voxelResolution:V.voxelResolution}},navigateToXZ:(V,W,ee)=>R.current?.navigateToXZ(V,W,ee?.durationMs)??!1,enterDollhouse:V=>{const W=R.current,ee=$.current,fe=M.current;if(!W||!ee)return!1;const Oe=fe&&fe.clientWidth>0&&fe.clientHeight>0?fe.clientWidth/fe.clientHeight:16/9,We=Cx(ee,K.current,W.getFov(),Oe,V?.roofCutRatio);if(!We)return!1;W.setCameraMode("fly"),W.setDollhouseMode(!0,We.cutHeight),J.current=!0,_e.current=!1,jt(We.cutHeight);const wt=ts=>({pivot:We.pivot,yaw:We.yaw,pitch:We.pitch,distance:ts,fov:We.fov}),Ct=V?.durationMs??800,si=Math.round(Ct*1.25);return W.flyTo(wt(We.outsideDistance),Ct,()=>{W.isDollhouseMode()&&W.flyTo(wt(We.overviewDistance),si,void 0,{lockInput:!0})},{lockInput:!0}),F.current?.requestRender(),!0},exitDollhouse:()=>{R.current?.setDollhouseMode(!1),J.current=!1,_e.current=!1,jt(null)},exitDollhouseToOrigin:V=>{const W=R.current;if(!W)return;const ee=V?.mode??"fly";if(_e.current=!0,J.current=!1,!W.isDollhouseMode()){_e.current=!1,ee==="walk"?W.setCameraMode("walk"):W.reset(),F.current?.requestRender();return}W.exitDollhouseToOrigin(ee,()=>{_e.current=!1,jt(null)}),F.current?.requestRender()},isDollhouse:()=>J.current||R.current?.isDollhouseMode()===!0,getRoofCut:()=>te.current,setRoofCut:V=>jt(V),setDollhouseRoofCutRatio:V=>{const W=R.current,ee=$.current,fe=M.current;if(!W||!ee||!Number.isFinite(V))return!1;const Oe=fe&&fe.clientWidth>0&&fe.clientHeight>0?fe.clientWidth/fe.clientHeight:16/9,We=Cx(ee,K.current,W.getFov(),Oe,V);return We?(W.isDollhouseMode()&&(W.setDollhouseMode(!0,We.cutHeight),jt(We.cutHeight),F.current?.requestRender()),!0):!1},captureTopDownMinimap:ov,captureViewportThumbnail:lv,startAutoCamera:(V,W)=>R.current?.startAutoCamera(V,W),stopAutoCamera:()=>R.current?.stopAutoCamera(),getRecordingTarget:()=>B.current,playCameraPath:(V,W)=>R.current?.playPath(V,W)??!1,isWalkableXZ:(V,W,ee)=>R.current?.isWalkableXZ(V,W,ee)??!1,stopCameraPath:()=>{R.current?.stopPath(),J.current||jt(null)},isPlayingCameraPath:()=>R.current?.isPlayingPath()??!1,recordCameraPath:(V,W)=>{const ee=R.current,fe=B.current;if(!ee||!fe||(ee.setCameraMode("walk"),!ee.playPath(V,{speed:W?.speed,durationMs:W?.durationMs,pitchDegrees:W?.pitchDegrees})))return null;const We=ee.getActivePathDurationMs()??W?.durationMs??5e3,wt=fe.captureClip({durationMs:We,frameRate:W?.frameRate??30,videoBitsPerSecond:W?.videoBitsPerSecond??12e6,onProgress:W?.onProgress});return{done:wt.done.finally(()=>ee.stopPath()),cancel:()=>{wt.cancel(),ee.stopPath()}}},routeWalkPath:(V,W)=>R.current?.routeWalkWaypoints(V.map(ee=>({position:ee.position,yaw:ee.yawDegrees,pitch:ee.pitchDegrees,fov:ee.fov})),W)??[],playCameraPoses:(V,W)=>(J.current=!1,R.current?.setDollhouseMode(!1),R.current?.playPoseKeyframes(V.map(ee=>({position:ee.position,yaw:ee.yawDegrees,pitch:ee.pitchDegrees,fov:ee.fov,roofCut:ee.roofCut})),W)??!1),recordCameraPoses:(V,W)=>{const ee=R.current,fe=B.current;if(!ee||!fe||(ee.setCameraMode("fly"),ee.setDollhouseMode(!1),J.current=!1,!ee.playPoseKeyframes(V.map(Ct=>({position:Ct.position,yaw:Ct.yawDegrees,pitch:Ct.pitchDegrees,fov:Ct.fov,roofCut:Ct.roofCut})),{speed:W?.speed,durationMs:W?.durationMs,route:W?.route,turnSpeed:W?.turnSpeed})))return null;const We=ee.getActivePathDurationMs()??W?.durationMs??5e3,wt=fe.captureClip({durationMs:We,frameRate:W?.frameRate??30,videoBitsPerSecond:W?.videoBitsPerSecond??12e6,onProgress:W?.onProgress});return{done:wt.done.finally(()=>ee.stopPath()),cancel:()=>{wt.cancel(),ee.stopPath()}}},setPointMode:(V,W)=>{nh(V),tl(V,ke.current,W?.pointSizePx??P)},getPointMode:()=>Ae.current,setNormalMode:V=>

17154{oh(V),tl(Ae.current,V)},getNormalMode:()=>ke.current,getRenderParams:()=>{const V=F.current,W=V?Pm(V.app):null;return{splatBudgetMillions:W?.budgetMillions??xe.current.splatBudgetMillions,lodRangeMin:W?.lodRangeMin??0,lodRangeMax:W?.lodRangeMax??1e3,toneMapping:V?hx(V.camera):"none",fov:R.current?.getFov()??xe.current.fov,walkModeHeight:R.current?.getWalkModeHeight()??xe.current.walkModeHeight,walkModeSpeed:R.current?.getMoveSpeed()??xe.current.walkModeSpeed}},setRenderParams:V=>{const W=F.current;if(W&&V.splatBudgetMillions!==void 0&&B5(W.app,V.splatBudgetMillions,xe.current.format,U.current),W&&(V.lodRangeMin!==void 0||V.lodRangeMax!==void 0)){const ee=Pm(W.app);wn("custom"),z_(W.app,V.lodRangeMin??ee?.lodRangeMin??0,V.lodRangeMax??ee?.lodRangeMax??1e3,U.current)}W&&V.toneMapping!==void 0&&q5(W.camera,V.toneMapping),V.fov!==void 0&&R.current?.setFov(V.fov),V.walkModeHeight!==void 0&&R.current?.setWalkModeHeight(V.walkModeHeight),V.walkModeSpeed!==void 0&&R.current?.setMoveSpeed(V.walkModeSpeed),W?.requestRender()},setLodQualityPreset:V=>rv(V),getLodQualityPreset:()=>Ta,getStats:()=>{const V=F.current,W=M.current;if(!V||!W)return null;const ee=Pm(V.app),fe=V.app.graphicsDevice,Oe=V.camera.getPosition(),We=Bi(U.current);return{fps:V.frameStats.fps,frameMs:V.frameStats.frameMs,renderedFrames:V.frameStats.renderedFrames,renderer:V.renderer,devicePixelRatio:fe.maxPixelRatio??window.devicePixelRatio??1,canvasWidth:W.clientWidth,canvasHeight:W.clientHeight,backbufferWidth:fe.width??W.width,backbufferHeight:fe.height??W.height,deviceProfile:Xi().name,contentFormat:xe.current.format,splatCount:We.splatCount,lodLevels:We.lodLevels,collisionLoaded:Rr.current,collisionDebugVisible:z.current?.enabled??!1,cameraMode:R.current?.getCameraMode()??"fly",renderParams:{splatBudgetMillions:ee?.budgetMillions??xe.current.splatBudgetMillions,lodRangeMin:ee?.lodRangeMin??0,lodRangeMax:ee?.lodRangeMax??1e3,toneMapping:hx(V.camera),fov:R.current?.getFov()??xe.current.fov,walkModeHeight:R.current?.getWalkModeHeight()??xe.current.walkModeHeight,walkModeSpeed:R.current?.getMoveSpeed()??xe.current.walkModeSpeed},cameraPosition:[Oe.x,Oe.y,Oe.z]}}}),[tl,ov,lv,P,jt,nh,oh,rv,Ta]),he.useEffect(()=>{ms||tl(Pe,Mr,P)},[ms,Pe,Mr,P,e,tl]),he.useEffect(()=>{const V={loading:ms,progress:xa,error:!!Lr,lodLoadingText:iv,qualityPreset:Ta};xe.current.onLoadingStatusChange?.(V)},[ms,xa,Lr,iv,Ta]),he.useEffect(()=>{if(O===!1)return;const V=W=>{W.defaultPrevented||W.repeat||W.metaKey||W.ctrlKey||W.altKey||W.key.toLowerCase()!=="p"||W.shiftKey||Sx(W.target)||nh(!Pe)};return window.addEventListener("keydown",V),()=>window.removeEventListener("keydown",V)},[O,Pe,nh]),he.useEffect(()=>{if(k===!1)return;const V=W=>{W.defaultPrevented||W.repeat||W.metaKey||W.ctrlKey||W.altKey||W.key.toLowerCase()!=="n"||W.shiftKey||Sx(W.target)||oh(!Mr)};return window.addEventListener("keydown",V),()=>window.removeEventListener("keydown",V)},[k,Mr,oh]),he.useEffect(()=>{let V=!1,W=null,ee=null,fe=null,Oe=null,We=null;const wt=M.current;if(!wt)return;Ue(!0),ya(null),Ae.current=!1,$e||Ee(!1),ke.current=!1,se||bs(!1),el.current=xe.current.initialLodQualityPreset,wn(xe.current.initialLodQualityPreset),ih.current=0,Cn(),Sa.current=0,th(0),Rr.current=!1,As.current=!1,K.current=[1,1,1];const Ct=ts=>{if(V)return;const _s=Math.max(0,Math.min(100,ts));_s<=Sa.current||(Sa.current=_s,th(_s))};return(async()=>{const{background:ts,fov:_s,initialCamera:Ci,splatBudgetMillions:Ei}=xe.current;try{if(await new Promise(Et=>setTimeout(Et,0)),V)return;const yt=await A5(wt,{background:ts,fov:_s,format:t,forceWebgl:u});if(W=yt,F.current=yt,Y.current.clear(),fe=yt.app.systems.gsplat??null,Oe=Et=>{const os=Et;HC(os),Y.current.add(os)},fe?.on?.("material:created",Oe),We=(...Et)=>{const os=!!Et[2],bi=Number(Et[3])||0;bi!==ih.current&&(ih.current=bi,sh.current||rh(bi>0?"Loading more detail...":null));const ss=sh.current;if(!ss)return;ss.ready=os,ss.loadingCount=bi,bi>0&&(ss.observedLoading=!0);const il=performance.now()-ss.startedAt,Wf=ss.observedLoading||il>=iY;if(ss.ready&&bi===0&&Wf){Cn();return}rh(yx(ss))},fe?.on?.("frame:ready",We),V){fe?.off?.("material:created",Oe),fe?.off?.("frame:ready",We),yt.dispose();return}if(s&&(await $5(yt.app,s).catch(()=>{}),V))return;const Ps=await R5(yt.app,e,{format:xe.current.format,transform:xe.current.transform,onProgress:Et=>Ct(Et*.9)});if(V)return;Ct(90),U.current=Ps;const Fr=xx(xe.current.format,xe.current.transform,xe.current.transformOverride),[qt,Yi,Vf]=Tx[Fr];Ps.setLocalEulerAngles(qt,Yi,Vf);const Gf=K5(yt.app,Ps,Ei,xe.current.format);let sl=!1;if(Gf){const Et=Bi(Ps).lodLevels,os=Et-1,bi=U_(el.current,Et),ss=Math.min(os,Math.max(JX,bi));ss<os&&(z_(yt.app,ss,ss,Ps),sl=!0)}ee=new SX(yt.app,yt.camera,wt,yt.requestRender),ee.setWalkModeHeight(xe.current.walkModeHeight),ee.setMoveSpeed(xe.current.walkModeSpeed),ee.setRoofCutListener(Et=>jt(Et)),ee.setDollhouseJumpListener(()=>{J.current=!1,xe.current.onDollhouseChange?.(!1)}),R.current=ee;const{collider:ii,failed:Hf}=await aY(xe.current.collisionUrl);if(V)return;As.current=!0,Rr.current=!!ii,$.current=ii,Hf&&xe.current.onCollisionUnavailable?.();const wa=ii?gx(ii.version,Fr):[1,1,1];if(K.current=wa,ee.setVoxelCollider(ii,wa),ee.setWalkBounds(ii?.gridBounds??null),ii){const Et=new ZX(yt.app,ii,wa);Et.enabled=xe.current.showCollisionDebug,z.current=Et}

17154B.current=new IX(yt.app,yt.camera,ee,wt);const gs=Ci??{position:[0,0,0],target:[0,0,-1],fov:_s};ee.setPose(new E(gs.position[0],gs.position[1],gs.position[2]),new E(gs.target[0],gs.target[1],gs.target[2]),gs.fov);const Or=ii||xe.current.cameraMode!=="walk"?xe.current.cameraMode:"fly";if(ee.setCameraMode(Or),await Z5(yt.app,Et=>Ct(90+Et*.1),xe.current.format==="spz"?6e4:sl?2e4:12e3,xe.current.format==="spz"?{rejectOnTimeout:!0,requireLoadingZero:!0}:sl?{requireObservedLoading:!0,requireLoadingZero:!0}:void 0),V)return;F5(yt.app,Ps,{budgetMillions:Ei,format:xe.current.format,lodQualityPreset:el.current,renderSettings:xe.current.renderSettings}),ah(el.current),Ct(100),Ue(!1),xe.current.onLoaded?.()}catch(yt){if(V)return;const Ps=yt instanceof Error?yt.message:String(yt);ya(Ps),Ue(!1),xe.current.onError?.(yt)}})(),()=>{V=!0,B.current=null,U.current=null,z.current?.destroy(),z.current=null,$.current=null,Oe&&fe?.off?.("material:created",Oe),We&&fe?.off?.("frame:ready",We),Cn(),Y.current.clear(),Rr.current=!1,As.current=!1,ee?.dispose(),R.current=null,W?.dispose(),F.current=null}},[e,s,i,u,o,t,$e,se,ah,Cn]),he.useEffect(()=>{const V=U.current;if(!V)return;const W=xx(t,o,c),ee=Tx[W];V.setLocalEulerAngles(ee[0],ee[1],ee[2]);const fe=$.current;if(fe){const Oe=gx(fe.version,W);K.current=Oe,R.current?.setColliderSigns(Oe),z.current?.setSigns(Oe)}F.current?.requestRender()},[o,c,t]),he.useEffect(()=>{const V=R.current;if(!V)return;const W=As.current&&m==="walk"&&!Rr.current,ee=W?"fly":m;if(W&&xe.current.onCollisionUnavailable?.(),!_e.current){if((J.current||V.isDollhouseMode())&&ee==="walk"){_e.current=!0,J.current=!1,V.exitDollhouseToOrigin("walk",()=>{_e.current=!1,jt(null)}),F.current?.requestRender();return}V.setCameraMode(ee),ee==="walk"&&(J.current=!1,V.isDollhouseMode()&&V.setDollhouseMode(!1),jt(null)),F.current?.requestRender()}},[m,jt]),he.useEffect(()=>{const V=R.current;V&&(V.setRoofCutListener(W=>jt(W)),V.setDollhouseJumpListener(()=>{J.current=!1,xe.current.onDollhouseChange?.(!1)}))},[jt]),he.useEffect(()=>{R.current?.setWalkModeHeight(_),F.current?.requestRender()},[_]),he.useEffect(()=>{R.current?.setMoveSpeed(g),F.current?.requestRender()},[g]),he.useEffect(()=>{const V=z.current;V&&(V.enabled=v,F.current?.requestRender())},[v]),Lt.jsxs("div",{className:x,style:{position:"relative",width:"100%",height:"100%",...y},children:[Lt.jsx("canvas",{ref:M,style:{width:"100%",height:"100%",display:"block",touchAction:"none"}}),!p&&Lt.jsx(DX,{loading:ms,progress:xa,error:!!Lr})]})});export{tY as DEFAULT_DOLLHOUSE_ROOF_CUT_RATIO,sv as POINT_MODE_DEFAULT_SIZE_PX,dY as PlayCanvasSplatViewer};