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u=l[o];i.push(u.frame/r.framePerSecond),e._AddKeyframeValue(u,r,s,n,t,a)}},e._CreateCubicSplineAnimation=function(t,r,n,s,a,o){r.getKeys().forEach(function(l){s.push(l.frame/r.framePerSecond),e._AddSplineTangent(i.INTANGENT,a,n,"CUBICSPLINE",l,o),e._AddKeyframeValue(l,r,a,n,t,o),e._AddSplineTangent(i.OUTTANGENT,a,n,"CUBICSPLINE",l,o)})},e._GetBasePositionRotationOrScale=function(e,t,r){var n;if("rotation"===t)if(r){var i=e.rotationQuaternion;n=(null!=i?i:s.Quaternion.Identity()).asArray()}else{var a=e.rotation;n=(null!=a?a:s.Vector3.Zero()).asArray()}else if("translation"===t){var o=e.position;n=(null!=o?o:s.Vector3.Zero()).asArray()}else{var l=e.scaling;n=(null!=l?l:s.Vector3.One()).asArray()}return n},e._AddKeyframeValue=function(e,t,r,n,i,a){var o,l=t.dataType;if(l===s.Animation.ANIMATIONTYPE_VECTOR3){var u=e.value.asArray();if("rotation"===n){var c=s.Vector3.FromArray(u);u=s.Quaternion.RotationYawPitchRoll(c.y,c.x,c.z).asArray()}r.push(u)}else if(l===s.Animation.ANIMATIONTYPE_FLOAT){if("weights"===n)r.push([e.value]);else if(o=this._ConvertFactorToVector3OrQuaternion(e.value,i,t,n,a)){if("rotation"===n){var f=a?o:s.Quaternion.RotationYawPitchRoll(o.y,o.x,o.z).normalize();r.push(f.asArray())}r.push(o.asArray())}}else l===s.Animation.ANIMATIONTYPE_QUATERNION?r.push(e.value.normalize().asArray()):s.Tools.Error("glTFAnimation: Unsupported key frame values for animation!")},e._DeduceInterpolation=function(e,t,r){var n,i,a=!1;if("rotation"===t&&!r)return{interpolationType:"LINEAR",shouldBakeAnimation:!0};for(var o=0,l=e.length;o<l;++o)if((i=e[o]).inTangent||i.outTangent)if(n){if("CUBICSPLINE"!==n){n="LINEAR",a=!0;break}}else n="CUBICSPLINE";else if(n){if("CUBICSPLINE"===n||i.interpolation&&i.interpolation===s.AnimationKeyInterpolation.STEP&&"STEP"!==n){n="LINEAR",a=!0;break}}else n=i.interpolation&&i.interpolation===s.AnimationKeyInterpolation.STEP?"STEP":"LINEAR";return n||(n="LINEAR"),{interpolationType:n,shouldBakeAnimation:a}},e._AddSplineTangent=function(e,t,r,n,a,o){var l,u=e===i.INTANGENT?a.inTangent:a.outTangent;"CUBICSPLINE"===n&&(l="rotation"===r?u?o?u.asArray():s.Quaternion.RotationYawPitchRoll(u.y,u.x,u.z).asArray():[0,0,0,0]:"weights"===r?u?[u]:[0]:u?u.asArray():[0,0,0],t.push(l))},e._CalculateMinMaxKeyFrames=function(e){var t=1/0,r=-1/0;return e.forEach(function(e){t=Math.min(t,e.frame),r=Math.max(r,e.frame)}),{min:t,max:r}},e}()},
1"../../../dev/serializers/src/glTF/2.0/glTFData.ts":(e,t,r)=>{r.r(t),r.d(t,{GLTFData:()=>n});var n=function(){function e(){this.glTFFiles={}}return e.prototype.downloadFiles=function(){function e(e,t){return -1!==e.indexOf(t,e.length-t.length)}for(var t in this.glTFFiles){var r=document.createElement("a");document.body.appendChild(r),r.setAttribute("type","hidden"),r.download=t;var n=this.glTFFiles[t],i=void 0;e(t,".glb")?i={type:"model/gltf-binary"}:e(t,".bin")?i={type:"application/octet-stream"}:e(t,".gltf")?i={type:"model/gltf+json"}:e(t,".jpeg")||e(t,".jpg")?i={type:"image/jpeg"}:e(t,".png")&&(i={type:"image/png"}),r.href=window.URL.createObjectURL(new Blob([n],i)),r.click()}},e}()},
1"../../../dev/serializers/src/glTF/2.0/glTFExporter.ts":(e,t,r)=>{r.r(t),r.d(t,{_BinaryWriter:()=>p,_Exporter:()=>f});var n=r("../../../../node_modules/tslib/tslib.es6.mjs"),i=r("babylonjs/Maths/math.vector"),s=r("../../../dev/serializers/src/glTF/2.0/glTFMaterialExporter.ts"),a=r("../../../dev/serializers/src/glTF/2.0/glTFUtilities.ts"),o=r("../../../dev/serializers/src/glTF/2.0/glTFData.ts"),l=r("../../../dev/serializers/src/glTF/2.0/glTFAnimation.ts"),u=i.Matrix.Compose(new i.Vector3(-1,1,1),i.Quaternion.Identity(),i.Vector3.Zero()),c=new i.Quaternion(0,1,0,0),f=function(){function e(e,t){this._extensions={},this._glTF={asset:{generator:"Babylon.js v".concat(i.Engine.Version),version:"2.0"}},(e=e||i.EngineStore.LastCreatedScene)&&(this._babylonScene=e,this._bufferViews=[],this._accessors=[],this._meshes=[],this._scenes=[],this._cameras=[],this._nodes=[],this._images=[],this._materials=[],this._materialMap=[],this._textures=[],this._samplers=[],this._skins=[],this._animations=[],this._imageData={},this._orderedImageData=[],this._options=t||{},this._animationSampleRate=this._options.animationSampleRate||1/60,this._glTFMaterialExporter=new s._GLTFMaterialExporter(this),this._loadExtensions())}return e.prototype._applyExtension=function(e,t,r,n){var i=this;if(r>=t.length)return Promise.resolve(e);var s=n(t[r],e);return s?s.then(function(e){return i._applyExtension(e,t,r+1,n)}):this._applyExtension(e,t,r+1,n)},e.prototype._applyExtensions=function(t,r){for(var n=[],i=0,s=e._ExtensionNames;i<s.length;i++){var a=s[i];n.push(this._extensions[a])}return this._applyExtension(t,n,0,r)},e.prototype._extensionsPreExportTextureAsync=function(e,t,r){return this._applyExtensions(t,function(t,n){return t.preExportTextureAsync&&t.preExportTextureAsync(e,n,r)})},e.prototype._extensionsPostExportMeshPrimitiveAsync=function(e,t,r,n){return this._applyExtensions(t,function(t,i){return t.postExportMeshPrimitiveAsync&&t.postExportMeshPrimitiveAsync(e,i,r,n)})},e.prototype._extensionsPostExportNodeAsync=function(e,t,r,n,i){return this._applyExtensions(t,function(t,s){return t.postExportNodeAsync&&t.postExportNodeAsync(e,s,r,n,i)})},e.prototype._extensionsPostExportMaterialAsync=function(e,t,r){return this._applyExtensions(t,function(t,n){return t.postExportMaterialAsync&&t.postExportMaterialAsync(e,n,r)})},e.prototype._extensionsPostExportMaterialAdditionalTextures=function(t,r,n){for(var i=[],s=0,a=e._ExtensionNames;s<a.length;s++){var o=a[s],l=this._extensions[o];l.postExportMaterialAdditionalTextures&&i.push.apply(i,l.postExportMaterialAdditionalTextures(t,r,n))}return i},e.prototype._extensionsPostExportTextures=function(t,r,n){for(var i=0,s=e._ExtensionNames;i<s.length;i++){var a=s[i],o=this._extensions[a];o.postExportTexture&&o.postExportTexture(t,r,n)}},e.prototype._forEachExtensions=function(t){for(var r=0,n=e._ExtensionNames;r<n.length;r++){var i=n[r],s=this._extensions[i];s.enabled&&t(s)}},e.prototype._extensionsOnExporting=function(){var e=this;this._forEachExtensions(function(t){t.wasUsed&&(null==e._glTF.extensionsUsed&&(e._glTF.extensionsUsed=[]),-1===e._glTF.extensionsUsed.indexOf(t.name)&&e._glTF.extensionsUsed.push(t.name),t.required&&(null==e._glTF.extensionsRequired&&(e._glTF.extensionsRequired=[]),-1===e._glTF.extensionsRequired.indexOf(t.name)&&e._glTF.extensionsRequired.push(t.name)),null==e._glTF.extensions&&(e._glTF.extensions={}),t.onExporting&&t.onExporting())})},e.prototype._loadExtensions=function(){for(var t=0,r=e._ExtensionNames;t<r.length;t++){var n=r[t],i=e._ExtensionFactories[n](this);this._extensions[n]=i}},e.prototype.dispose=function(){for(var e in this._extensions)this._extensions[e].dispose()},Object.defineProperty(e.prototype,"options",{get:function(){return this._options},enumerable:!1,configurable:!0}),e.RegisterExtension=function(t,r){e.UnregisterExtension(t)&&i.Tools.Warn("Extension with the name ".concat(t," already exists")),e._ExtensionFactories[t]=r,e._ExtensionNames.push(t)},e.UnregisterExtension=function(t){if(!e._ExtensionFactories[t])return!1;delete e._ExtensionFactories[t];var r=e._ExtensionNames.indexOf(t);return -1!==r&&e._ExtensionNames.splice(r,1),!0},e.prototype._reorderIndicesBasedOnPrimitiveMode=function(e,t,r,n,s){switch(t){case i.Material.TriangleFillMode:n||(n=0);for(var a=e.indexStart,o=e.indexStart+e.indexCount;a<o;a+=3){var l=n+4*a,u=s.getUInt32(l+4),c=s.getUInt32(l+8);s.setUInt32(c,l+4),s.setUInt32(u,l+8)}break;case i.Material.TriangleFanDrawMode:for(var a=e.indexStart+e.indexCount-1,f=e.indexStart;a>=f;--a)s.setUInt32(r[a],n),n+=4;break;case i.Material.TriangleStripDrawMode:e.indexCount>=3&&(s.setUInt32(r[e.indexStart+2],n+4),s.setUInt32(r[e.indexStart+1],n+8))}},e.prototype._reorderVertexAttributeDataBasedOnPrimitiveMode=function(e,t,r,n,s,a){switch(t){case i.Material.TriangleFillMode:this._reorderTriangleFillMode(e,r,n,s,a);break;case i.Material.TriangleStripDrawMode:this._reorderTriangleStripDrawMode(e,r,n,s,a);break;case i.Material.TriangleFanDrawMode:this._reorderTriangleFanMode(e,r,n,s,a)}},e.prototype._reorderTriangleFillMode=function(e,t,r,n,s){var a=this._getVertexBufferFromMesh(t,e.getMesh());if(a){var o=a.byteStride/i.VertexBuffer.GetTypeByteLength(a.type);if(e.verticesCount%3!=0)i.Tools.Error("The submesh vertices for the triangle fill mode is not divisible by 3!");else{var l=[],u=0;switch(t){case i.VertexBuffer.PositionKind:case i.VertexBuffer.NormalKind:for(var c=e.verticesStart;c<e.verticesStart+e.verticesCount;c+=3)u=c*o,l.push(i.Vector3.FromArray(r,u)),l.push(i.Vector3.FromArray(r,u+2*o)),l.push(i.Vector3.FromArray(r,u+o));break;case i.VertexBuffer.TangentKind:for(var c=e.verticesStart;c<e.verticesStart+e.verticesCount;c+=3)u=c*o,l.push(i.Vector4.FromArray(r,u)),l.push(i.Vector4.FromArray(r,u+2*o)),l.push(i.Vector4.FromArray(r,u+o));break;case i.VertexBuffer.ColorKind:for(var f=a.getSize(),c=e.verticesStart;c<e.verticesStart+e.verticesCount;c+=f)u=c*o,4===f?(l.push(i.Vector4.FromArray(r,u)),l.push(i.Vector4.FromArray(r,u+2*o)),l.push(i.Vector4.FromArray(r,u+o))):(l.push(i.Vector3.FromArray(r,u)),l.push(i.Vector3.FromArray(r,u+2*o)),l.push(i.Vector3.FromArray(r,u+o)));break;case i.VertexBuffer.UVKind:case i.VertexBuffer.UV2Kind:for(var c=e.verticesStart;c<e.verticesStart+e.verticesCount;c+=3)u=c*o,l.push(i.Vector2.FromArray(r,u)),l.push(i.Vector2.FromArray(r,u+2*o)),l.push(i.Vector2.FromArray(r,u+o));break;default:i.Tools.Error("Unsupported Vertex Buffer type: ".concat(t))}this._writeVertexAttributeData(l,n,t,s)}}else i.Tools.Warn("reorderTriangleFillMode: Vertex Buffer Kind ".concat(t," not present!"))},e.prototype._reorderTriangleStripDrawMode=function(e,t,r,n,s){var a=this._getVertexBufferFromMesh(t,e.getMesh());if(a){var o=a.byteStride/i.VertexBuffer.GetTypeByteLength(a.type),l=[],u=0;switch(t){case i.VertexBuffer.PositionKind:case i.VertexBuffer.NormalKind:u=e.verticesStart,l.push(i.Vector3.FromArray(r,u+2*o)),l.push(i.Vector3.FromArray(r,u+o));break;case i.VertexBuffer.TangentKind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector4.FromArray(r,u));break;case i.VertexBuffer.ColorKind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,4===a.getSize()?l.push(i.Vector4.FromArray(r,u)):l.push(i.Vector3.FromArray(r,u));break;case i.VertexBuffer.UVKind:case i.VertexBuffer.UV2Kind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector2.FromArray(r,u));break;default:i.Tools.Error("Unsupported Vertex Buffer type: ".concat(t))}this._writeVertexAttributeData(l,n+12,t,s)}else i.Tools.Warn("reorderTriangleStripDrawMode: Vertex buffer kind ".concat(t," not present!"))},e.prototype._reorderTriangleFanMode=function(e,t,r,n,s){var a=this._getVertexBufferFromMesh(t,e.getMesh());if(a){var o=a.byteStride/i.VertexBuffer.GetTypeByteLength(a.type),l=[],u=0;switch(t){case i.VertexBuffer.PositionKind:case i.VertexBuffer.NormalKind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector3.FromArray(r,u));break;case i.VertexBuffer.TangentKind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector4.FromArray(r,u));break;case i.VertexBuffer.ColorKind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector4.FromArray(r,u)),4===a.getSize()?l.push(i.Vector4.FromArray(r,u)):l.push(i.Vector3.FromArray(r,u));break;case i.VertexBuffer.UVKind:case i.VertexBuffer.UV2Kind:for(var c=e.verticesStart+e.verticesCount-1;c>=e.verticesStart;--c)u=c*o,l.push(i.Vector2.FromArray(r,u));break;default:i.Tools.Error("Unsupported Vertex Buffer type: ".concat(t))}this._writeVertexAttributeData(l,n,t,s)}else i.Tools.Warn("reorderTriangleFanMode: Vertex buffer kind ".concat(t," not present!"))},e.prototype._writeVertexAttributeData=function(e,t,r,n){for(var s=0;s<e.length;s++){var o=e[s];r===i.VertexBuffer.NormalKind?o.normalize():r===i.VertexBuffer.TangentKind&&o instanceof i.Vector4&&a._GLTFUtilities._NormalizeTangentFromRef(o);for(var l=0,u=o.asArray();l<u.length;l++){var c=u[l];n.setFloat32(c,t),t+=4}}},e.prototype._writeAttributeData=function(e,t,r,n,s,o){var l,u,c=[];
1switch(e){case i.VertexBuffer.PositionKind:for(var f=0,p=r.length/n;f<p;++f){l=f*n;var h=i.Vector3.FromArray(r,l);c.push(h.asArray())}break;case i.VertexBuffer.NormalKind:for(var f=0,_=r.length/n;f<_;++f){l=f*n;var h=i.Vector3.FromArray(r,l);c.push(h.normalize().asArray())}break;case i.VertexBuffer.TangentKind:for(var f=0,d=r.length/n;f<d;++f){l=f*n;var h=i.Vector4.FromArray(r,l);a._GLTFUtilities._NormalizeTangentFromRef(h),c.push(h.asArray())}break;case i.VertexBuffer.ColorKind:for(var m=o.material,g=!m||"StandardMaterial"===m.getClassName(),h=3===n?new i.Color3:new i.Color4,x=this._babylonScene.getEngine().useExactSrgbConversions,f=0,y=r.length/n;f<y;++f)l=f*n,3===n?i.Color3.FromArrayToRef(r,l,h):i.Color4.FromArrayToRef(r,l,h),g&&h.toLinearSpaceToRef(h,x),c.push(h.asArray());break;case i.VertexBuffer.UVKind:case i.VertexBuffer.UV2Kind:for(var f=0,T=r.length/n;f<T;++f){l=f*n;var h=i.Vector2.FromArray(r,l);c.push(h.asArray())}break;case i.VertexBuffer.MatricesIndicesKind:case i.VertexBuffer.MatricesIndicesExtraKind:for(var f=0,v=r.length/n;f<v;++f){l=f*n;var h=i.Vector4.FromArray(r,l);c.push(h.asArray())}break;case i.VertexBuffer.MatricesWeightsKind:case i.VertexBuffer.MatricesWeightsExtraKind:for(var f=0,b=r.length/n;f<b;++f){l=f*n;var h=i.Vector4.FromArray(r,l);c.push(h.asArray())}break;default:i.Tools.Warn("Unsupported Vertex Buffer Type: "+e),c=[]}switch(t){case 5121:u=s.setUInt8.bind(s);break;case 5123:u=s.setUInt16.bind(s);break;case 5125:u=s.setUInt32.bind(s);break;case 5126:u=s.setFloat32.bind(s);break;default:return void i.Tools.Warn("Unsupported Attribute Component kind: "+t)}for(var E=0,F=c;E<F.length;E++)for(var A=F[E],R=0;R<A.length;R++)u(A[R])},e.prototype.writeMorphTargetAttributeData=function(e,t,r,n,s,o,l,u){var c,f,p=[],h=new i.Vector3,_=new i.Vector4(0,0,0,0);switch(e){case i.VertexBuffer.PositionKind:for(var d=r.verticesStart;d<r.verticesCount;++d){c=r.indexStart+d*o;var m=i.Vector3.FromArray(n,c),g=i.Vector3.FromArray(s,c);h=g.subtractToRef(m,h),u&&(u.min.copyFromFloats(Math.min(h.x,u.min.x),Math.min(h.y,u.min.y),Math.min(h.z,u.min.z)),u.max.copyFromFloats(Math.max(h.x,u.max.x),Math.max(h.y,u.max.y),Math.max(h.z,u.max.z))),p.push(h.asArray())}break;case i.VertexBuffer.NormalKind:for(var d=r.verticesStart;d<r.verticesCount;++d){c=r.indexStart+d*o;var m=i.Vector3.FromArray(n,c).normalize(),g=i.Vector3.FromArray(s,c).normalize();h=g.subtractToRef(m,h),p.push(h.asArray())}break;case i.VertexBuffer.TangentKind:for(var d=r.verticesStart;d<r.verticesCount;++d){c=r.indexStart+d*(o+1);var m=i.Vector4.FromArray(n,c);a._GLTFUtilities._NormalizeTangentFromRef(m);var g=i.Vector4.FromArray(s,c);a._GLTFUtilities._NormalizeTangentFromRef(g),_=g.subtractToRef(m,_),p.push([_.x,_.y,_.z])}break;default:i.Tools.Warn("Unsupported Vertex Buffer Type: "+e),p=[]}switch(t){case 5121:f=l.setUInt8.bind(l);break;case 5123:f=l.setUInt16.bind(l);break;case 5125:f=l.setUInt32.bind(l);break;case 5126:f=l.setFloat32.bind(l);break;default:return void i.Tools.Warn("Unsupported Attribute Component kind: "+t)}for(var x=0,y=p;x<y.length;x++)for(var T=y[x],v=0;v<T.length;v++)f(T[v])},e.prototype._generateJSON=function(e,t,r){var n,i,s,o=this,l={byteLength:this._totalByteLength},u=this._totalByteLength;return l.byteLength&&(this._glTF.buffers=[l]),this._nodes&&this._nodes.length&&(this._glTF.nodes=this._nodes),this._meshes&&this._meshes.length&&(this._glTF.meshes=this._meshes),this._scenes&&this._scenes.length&&(this._glTF.scenes=this._scenes,this._glTF.scene=0),this._cameras&&this._cameras.length&&(this._glTF.cameras=this._cameras),this._bufferViews&&this._bufferViews.length&&(this._glTF.bufferViews=this._bufferViews),this._accessors&&this._accessors.length&&(this._glTF.accessors=this._accessors),this._animations&&this._animations.length&&(this._glTF.animations=this._animations),this._materials&&this._materials.length&&(this._glTF.materials=this._materials),this._textures&&this._textures.length&&(this._glTF.textures=this._textures),this._samplers&&this._samplers.length&&(this._glTF.samplers=this._samplers),this._skins&&this._skins.length&&(this._glTF.skins=this._skins),this._images&&this._images.length&&(e?(this._glTF.images=[],this._images.forEac
1h(function(e){e.uri&&(i=o._imageData[e.uri],o._orderedImageData.push(i),n=e.uri.split(".")[0]+" image",s=a._GLTFUtilities._CreateBufferView(0,u,i.data.byteLength,void 0,n),u+=i.data.byteLength,o._bufferViews.push(s),e.bufferView=o._bufferViews.length-1,e.name=n,e.mimeType=i.mimeType,e.uri=void 0,o._glTF.images||(o._glTF.images=[]),o._glTF.images.push(e))}),l.byteLength=u):this._glTF.images=this._images),e||(l.uri=t+".bin"),r?JSON.stringify(this._glTF,null,2):JSON.stringify(this._glTF)},e.prototype._generateGLTFAsync=function(e,t){var r=this;return void 0===t&&(t=!0),this._generateBinaryAsync().then(function(n){r._extensionsOnExporting();var i=r._generateJSON(!1,e,!0),s=new Blob([n],{type:"application/octet-stream"}),a=e+".gltf",l=e+".bin",u=new o.GLTFData;if(u.glTFFiles[a]=i,u.glTFFiles[l]=s,r._imageData)for(var c in r._imageData)u.glTFFiles[c]=new Blob([r._imageData[c].data],{type:r._imageData[c].mimeType});return t&&r.dispose(),u})},e.prototype._generateBinaryAsync=function(){var e=this,t=new p(4);return this._createSceneAsync(t).then(function(){return e._localEngine&&e._localEngine.dispose(),t.getArrayBuffer()})},e.prototype._getPadding=function(e){var t=e%4;return 0===t?t:4-t},e.prototype._generateGLBAsync=function(e,t){var r=this;return void 0===t&&(t=!0),this._generateBinaryAsync().then(function(n){r._extensionsOnExporting();var i,s=r._generateJSON(!0),a=s.length,l=0;"undefined"!=typeof TextEncoder&&(a=(i=new TextEncoder().encode(s)).length);for(var u=0;u<r._orderedImageData.length;++u)l+=r._orderedImageData[u].data.byteLength;var c=r._getPadding(a),f=r._getPadding(n.byteLength),p=r._getPadding(l),h=28+a+c+n.byteLength+f+l+p,_=new ArrayBuffer(12),d=new DataView(_);d.setUint32(0,0x46546c67,!0),d.setUint32(4,2,!0),d.setUint32(8,h,!0);var m=new ArrayBuffer(8+a+c),g=new DataView(m);g.setUint32(0,a+c,!0),g.setUint32(4,0x4e4f534a,!0);var x=new Uint8Array(m,8);if(i)x.set(i);else for(var u=0;u<a;++u){var y=s.charCodeAt(u);y!=s.codePointAt(u)?x[u]=95:x[u]=y}for(var T=new Uint8Array(m,8+a),u=0;u<c;++u)T[u]=32;var v=new ArrayBuffer(8),b=new DataView(v);b.setUint32(0,n.byteLength+l+p,!0),b.setUint32(4,5130562,!0);for(var E=new ArrayBuffer(f),F=new Uint8Array(E),u=0;u<f;++u)F[u]=0;for(var A=new ArrayBuffer(p),R=new Uint8Array(A),u=0;u<p;++u)R[u]=0;for(var M=[_,m,v,n],u=0;u<r._orderedImageData.length;++u)M.push(r._orderedImageData[u].data);M.push(E),M.push(A);var w=new Blob(M,{type:"application/octet-stream"}),S=new o.GLTFData;return S.glTFFiles[e+".glb"]=w,null!=r._localEngine&&r._localEngine.dispose(),t&&r.dispose(),S})},e.prototype._setNodeTransformation=function(e,t){t.getPivotPoint().equalsToFloats(0,0,0)||i.Tools.Warn("Pivot points are not supported in the glTF serializer"),t.position.equalsToFloats(0,0,0)||(e.translation=t.position.asArray()),t.scaling.equalsToFloats(1,1,1)||(e.scale=t.scaling.asArray());var r=i.Quaternion.FromEulerAngles(t.rotation.x,t.rotation.y,t.rotation.z);t.rotationQuaternion&&r.multiplyInPlace(t.rotationQuaternion),i.Quaternion.IsIdentity(r)||(e.rotation=r.normalize().asArray())},e.prototype._setCameraTransformation=function(e,t){var r=i.TmpVectors.Vector3[0],n=i.TmpVectors.Quaternion[0];t.getWorldMatrix().decompose(void 0,n,r),r.equalsToFloats(0,0,0)||(e.translation=r.asArray()),n.multiplyInPlace(c),i.Quaternion.IsIdentity(n)||(e.rotation=n.asArray())},e.prototype._getVertexBufferFromMesh=function(e,t){if(t.isVerticesDataPresent(e,!0)){var r=t.getVertexBuffer(e,!0);if(r)return r}return null},e.prototype._createBufferViewKind=function(e,t,r,n,s){var o=r instanceof i.Mesh?r:r instanceof i.InstancedMesh?r.sourceMesh:null;if(o){var l=o.getVertexBuffer(e,!0),u=o.getVerticesData(e,void 0,void 0,!0);if(l&&u){var c=i.VertexBuffer.GetTypeByteLength(t),f=u.length*c,p=a._GLTFUtilities._CreateBufferView(0,n.getByteOffset(),f,s,e+" - "+o.name);this._bufferViews.push(p),this._writeAttributeData(e,t,u,s/c,n,r)}}},e.prototype._setMorphTargetAttributes=function(e,t,r,n){if(r){t.targets||(t.targets=[]);var s={},o=e.getMesh();if(r.hasNormals){var l=o.getVerticesData(i.VertexBuffer.NormalKind,void 0,void 0,!0),u=r.getNormals(),c=e.verticesCount,f=12,p=12*c,h=a._GLTFUtilities._CreateBufferView(0,n.getByteOffset(),p,f,r.n
1ame+"_NORMAL");this._bufferViews.push(h);var _=this._bufferViews.length-1,d=a._GLTFUtilities._CreateAccessor(_,r.name+" - NORMAL","VEC3",5126,c,0,null,null);this._accessors.push(d),s.NORMAL=this._accessors.length-1,this.writeMorphTargetAttributeData(i.VertexBuffer.NormalKind,5126,e,l,u,f/4,n)}if(r.hasPositions){var m=o.getVerticesData(i.VertexBuffer.PositionKind,void 0,void 0,!0),g=r.getPositions(),c=e.verticesCount,f=12,p=12*c,h=a._GLTFUtilities._CreateBufferView(0,n.getByteOffset(),p,f,r.name+"_POSITION");this._bufferViews.push(h);var _=this._bufferViews.length-1,x={min:new i.Vector3(1/0,1/0,1/0),max:new i.Vector3(-1/0,-1/0,-1/0)},d=a._GLTFUtilities._CreateAccessor(_,r.name+" - POSITION","VEC3",5126,c,0,null,null);this._accessors.push(d),s.POSITION=this._accessors.length-1,this.writeMorphTargetAttributeData(i.VertexBuffer.PositionKind,5126,e,m,g,f/4,n,x),d.min=x.min.asArray(),d.max=x.max.asArray()}if(r.hasTangents){var y=o.getVerticesData(i.VertexBuffer.TangentKind,void 0,void 0,!0),T=r.getTangents(),c=e.verticesCount,f=12,p=12*c,h=a._GLTFUtilities._CreateBufferView(0,n.getByteOffset(),p,f,r.name+"_NORMAL");this._bufferViews.push(h);var _=this._bufferViews.length-1,d=a._GLTFUtilities._CreateAccessor(_,r.name+" - TANGENT","VEC3",5126,c,0,null,null);this._accessors.push(d),s.TANGENT=this._accessors.length-1,this.writeMorphTargetAttributeData(i.VertexBuffer.TangentKind,5126,e,y,T,f/4,n)}t.targets.push(s)}},e.prototype._getMeshPrimitiveMode=function(e){if(e instanceof i.LinesMesh)return i.Material.LineListDrawMode;if(e instanceof i.InstancedMesh||e instanceof i.Mesh){var t=e instanceof i.Mesh?e:e.sourceMesh;if("number"==typeof t.overrideRenderingFillMode)return t.overrideRenderingFillMode}return e.material?e.material.fillMode:i.Material.TriangleFillMode},e.prototype._setPrimitiveMode=function(e,t){switch(t){case i.Material.TriangleFillMode:break;case i.Material.TriangleStripDrawMode:e.mode=5;break;case i.Material.TriangleFanDrawMode:e.mode=6;break;case i.Material.PointListDrawMode:case i.Material.PointFillMode:e.mode=0;break;case i.Material.LineLoopDrawMode:e.mode=2;break;case i.Material.LineListDrawMode:e.mode=1;break;case i.Material.LineStripDrawMode:e.mode=3}},e.prototype._setAttributeKind=function(e,t){switch(t){case i.VertexBuffer.PositionKind:e.attributes.POSITION=this._accessors.length-1;break;case i.VertexBuffer.NormalKind:e.attributes.NORMAL=this._accessors.length-1;break;case i.VertexBuffer.ColorKind:e.attributes.COLOR_0=this._accessors.length-1;break;case i.VertexBuffer.TangentKind:e.attributes.TANGENT=this._accessors.length-1;break;case i.VertexBuffer.UVKind:e.attributes.TEXCOORD_0=this._accessors.length-1;break;case i.VertexBuffer.UV2Kind:e.attributes.TEXCOORD_1=this._accessors.length-1;break;case i.VertexBuffer.MatricesIndicesKind:e.attributes.JOINTS_0=this._accessors.length-1;break;case i.VertexBuffer.MatricesIndicesExtraKind:e.attributes.JOINTS_1=this._accessors.length-1;break;case i.VertexBuffer.MatricesWeightsKind:e.attributes.WEIGHTS_0=this._accessors.length-1;break;case i.VertexBuffer.MatricesWeightsExtraKind:e.attributes.WEIGHTS_1=this._accessors.length-1;break;default:i.Tools.Warn("Unsupported Vertex Buffer Type: "+t)}},e.prototype._setPrimitiveAttributesAsync=function(e,t,r){var n,s,o=[],l=null;t instanceof i.Mesh?l=t:t instanceof i.InstancedMesh&&(l=t.sourceMesh);var u=[{kind:i.VertexBuffer.PositionKind,accessorType:"VEC3",accessorComponentType:5126,byteStride:12},{kind:i.VertexBuffer.NormalKind,accessorType:"VEC3",accessorComponentType:5126,byteStride:12},{kind:i.VertexBuffer.ColorKind,accessorType:"VEC4",accessorComponentType:5126,byteStride:16},{kind:i.VertexBuffer.TangentKind,accessorType:"VEC4",accessorComponentType:5126,byteStride:16},{kind:i.VertexBuffer.UVKind,accessorType:"VEC2",accessorComponentType:5126,byteStride:8},{kind:i.VertexBuffer.UV2Kind,accessorType:"VEC2",accessorComponentType:5126,byteStride:8},{kind:i.VertexBuffer.MatricesIndicesKind,accessorType:"VEC4",accessorComponentType:5123,byteStride:8},{kind:i.VertexBuffer.MatricesIndicesExtraKind,accessorType:"VEC4",accessorComponentType:5123,byteStride:8},{kind:i.VertexBuffer.MatricesWeightsKind,accessorType:"VEC4",accessorComponentType:5126,byteStride:16},{kind:i.VertexBuffer.MatricesWeightsExtraKind,accessorType:"VEC4",accessorComponentType:5126,byteStride:16}];if(l){for(var c=null,f=this._getMeshPrimitiveMode(l),p={},h=l.morphTargetManager,_=0;_<u.length;_++){var d=u[_],m=d.kind,g=d.accessorComponentType;if(l.isVerticesDataPresent(m,!0)){var x=this._getVertexBufferFromMesh(m,l);
1d.byteStride=x?x.getSize()*i.VertexBuffer.GetTypeByteLength(d.accessorComponentType):4*i.VertexBuffer.DeduceStride(m),12===d.byteStride&&(d.accessorType="VEC3"),this._createBufferViewKind(m,g,t,r,d.byteStride),d.bufferViewIndex=this._bufferViews.length-1,p[m]=d.bufferViewIndex}}if(l.getTotalIndices()){var y=l.getIndices();if(y){var T=4*y.length;n=a._GLTFUtilities._CreateBufferView(0,r.getByteOffset(),T,void 0,"Indices - "+l.name),this._bufferViews.push(n),c=this._bufferViews.length-1;for(var v=0,b=y.length;v<b;++v)r.setUInt32(y[v])}}if(l.subMeshes)for(var E=0,F=l.subMeshes;E<F.length;E++){var A=F[E],R=A.getMaterial()||l.getScene().defaultMaterial,M=null;if(R)if(l instanceof i.LinesMesh){var w={name:l.name+" material"};(!l.color.equals(i.Color3.White())||l.alpha<1)&&(w.pbrMetallicRoughness={baseColorFactor:l.color.asArray().concat([l.alpha])}),this._materials.push(w),M=this._materials.length-1}else if(R instanceof i.MultiMaterial){var S=R.subMaterials[A.materialIndex];S&&(R=S,M=this._materialMap[R.uniqueId])}else M=this._materialMap[R.uniqueId];var C=null!=M?this._materials[M]:null,V={attributes:{}};this._setPrimitiveMode(V,f);for(var I=0;I<u.length;I++){var d=u[I],m=d.kind;if(m!==i.VertexBuffer.UVKind&&m!==i.VertexBuffer.UV2Kind||this._options.exportUnusedUVs||C&&this._glTFMaterialExporter._hasTexturesPresent(C)){var K=l.getVerticesData(m,void 0,void 0,!0);if(K){var x=this._getVertexBufferFromMesh(m,l);if(x){var B=x.getSize(),L=d.bufferViewIndex;if(void 0!=L){s={min:null,max:null},m==i.VertexBuffer.PositionKind&&(s=a._GLTFUtilities._CalculateMinMaxPositions(K,0,K.length/B));var P=a._GLTFUtilities._CreateAccessor(L,m+" - "+t.name,d.accessorType,d.accessorComponentType,K.length/B,0,s.min,s.max);this._accessors.push(P),this._setAttributeKind(V,m)}}}}}if(c){var P=a._GLTFUtilities._CreateAccessor(c,"indices - "+t.name,"SCALAR",5125,A.indexCount,4*A.indexStart,null,null);this._accessors.push(P),V.indices=this._accessors.length-1}if(Object.keys(V.attributes).length>0){if((null!==l.overrideMaterialSideOrientation?l.overrideMaterialSideOrientation:R.sideOrientation)===(this._babylonScene.useRightHandedSystem?i.Material.ClockWiseSideOrientation:i.Material.CounterClockWiseSideOrientation)){var O=null!=c?this._bufferViews[c].byteOffset:null;null==O&&(O=0);var H=null;if(null!=c&&(H=l.getIndices()),H)this._reorderIndicesBasedOnPrimitiveMode(A,f,H,O,r);else for(var N=0;N<u.length;N++){var d=u[N],K=l.getVerticesData(d.kind,void 0,void 0,!0);if(K){var U=this._bufferViews[p[d.kind]].byteOffset||0;this._reorderVertexAttributeDataBasedOnPrimitiveMode(A,f,d.kind,K,U,r)}}}null!=M&&(V.material=M)}if(h){e.extras||(e.extras={}),e.extras.targetNames=[];for(var z=0;z<h.numTargets;++z){var G=h.getTarget(z);this._setMorphTargetAttributes(A,V,G,r),e.extras.targetNames.push(G.name)}}e.primitives.push(V),this._extensionsPostExportMeshPrimitiveAsync("postExport",V,A,r),o.push()}}return Promise.all(o).then(function(){})},e.prototype._createSceneAsync=function(e){var t,r,s,a,o,l=this,c={nodes:[]},f=(0,n.__spreadArray)((0,n.__spreadArray)((0,n.__spreadArray)((0,n.__spreadArray)([],this._babylonScene.transformNodes,!0),this._babylonScene.meshes,!0),this._babylonScene.lights,!0),this._babylonScene.cameras,!0),p=new Set;if(this._babylonScene.metadata&&(this._options.metadataSelector?c.extras=this._options.metadataSelector(this._babylonScene.metadata):this._babylonScene.metadata.gltf&&(c.extras=this._babylonScene.metadata.gltf.extras)),(null==(r=this._options.removeNoopRootNodes)||r)&&!this._options.includeCoordinateSystemConversionNodes)for(var h=0,_=this._babylonScene.rootNodes;h<_.length;h++){var d=_[h];(function(e,t){if(!(e instanceof i.TransformNode))return!1;if(t){var r=e.getWorldMatrix();if(!r.isIdentity())return!1}else{var r=e.getWorldMatrix().multiplyToRef(u,i.TmpVectors.Matrix[0]);if(!r.isIdentity())return!1}return(!(e instanceof i.Mesh)||!e.geometry)&&(!(e instanceof i.InstancedMesh)||!e.sourceMesh.geometry)})(d,this._babylonScene.useRightHandedSystem)&&(p.add(d),f.splice(f.indexOf(d),1))}var m=new Map;this._babylonScene.cameras.forEach(function(e){if(!l._options.shouldExportNode||l._options.shouldExportNode(e)){var t={type:e.mode===i.Camera.PERSPECTIVE_CAMERA?"perspective":"orthographic"};e.name&&(t.name=e.name),"perspective"===t.type?t.perspective={aspectRatio:e.getEngine().getAspectRatio(e),yfov:e.fovMode===i.Camera.FOVMODE_VERTICAL_FIXED?e.fov:e.fov*e.getEngine().getAspectRatio(e),znear:e.minZ,zfar:e.maxZ}:"orthographic"===t.type&&(t.orthographic={xmag:e.orthoLeft&&e.orthoRight?.5*(e.orthoRight-e.orthoLeft):.5*e.getEngine().getRenderWidth(),ymag:e.orthoBottom&&e.orthoTop?.5*(e.orthoTop-e.orthoBottom):.5*e.getEngine().getRenderHeight(),znear:e.minZ,zfar:e.maxZ}),m.set(e,l._cameras.length),l._cameras.push(t)}});var g=(t=this._getExportNodes(f))[0],x=t[1];return this._glTFMaterialExporter._convertMaterialsToGLTFAsync(x,"image/png",!0).then(function(){return l._createNodeMapAndAnimationsAsync(g,e).then(function(t){return l._createSkinsAsync(t,e).then(function(r){if(l._nodeMap=t,l._totalByteLength=e.getByteOffset(),void 0==l._totalByteLength)throw Error("undefined byte length!");for(var n=0;n<f.length;n++){var h=f[n];if(void 0!==(s=l._nodeMap[h.uniqueId])&&(a=l._nodes[s],h.metadata&&(l._options.metadataSelector?a.extras=l._options.metadataSelector(h.metadata):h.metadata.gltf&&(a.extras=h.metadata.gltf.extras)),h instanceof i.Camera&&(a.c
1amera=m.get(h)),l._options.shouldExportNode&&!l._options.shouldExportNode(h)?i.Tools.Log("Omitting "+h.name+" from scene."):(h.parent||l._babylonScene.useRightHandedSystem||function(e){var t=i.Vector3.FromArrayToRef(e.translation||[0,0,0],0,i.TmpVectors.Vector3[0]),r=i.Quaternion.FromArrayToRef(e.rotation||[0,0,0,1],0,i.TmpVectors.Quaternion[0]),n=i.Vector3.FromArrayToRef(e.scale||[1,1,1],0,i.TmpVectors.Vector3[1]);i.Matrix.ComposeToRef(n,r,t,i.TmpVectors.Matrix[0]).multiplyToRef(u,i.TmpVectors.Matrix[0]).decompose(n,r,t),t.equalsToFloats(0,0,0)?delete e.translation:e.translation=t.asArray(),i.Quaternion.IsIdentity(r)?delete e.rotation:e.rotation=r.asArray(),n.equalsToFloats(1,1,1)?delete e.scale:e.scale=n.asArray()}(a),(!h.parent||p.has(h.parent))&&c.nodes.push(s)),h instanceof i.Mesh&&h.skeleton&&(a.skin=r[h.skeleton.uniqueId]),o=h.getDescendants(!0),!a.children&&o&&o.length)){for(var _=[],d=0;d<o.length;d++){var g=o[d];null!=l._nodeMap[g.uniqueId]&&_.push(l._nodeMap[g.uniqueId])}_.length&&(a.children=_)}}c.nodes.length&&l._scenes.push(c)})})})},e.prototype._getExportNodes=function(e){for(var t=[],r=new Set,n=0;n<e.length;n++){var s=e[n];if(!this._options.shouldExportNode||this._options.shouldExportNode(s)){if(t.push(s),s.subMeshes&&s.subMeshes.length>0){var a=s.material||s.getScene().defaultMaterial;if(a instanceof i.MultiMaterial)for(var o=0,l=a.subMaterials;o<l.length;o++){var u=l[o];u&&r.add(u)}else r.add(a)}}else s.name}return[t,r]},e.prototype._createNodeMapAndAnimationsAsync=function(e,t){for(var r,n=this,s=Promise.resolve(),a={},o={name:"runtime animations",channels:[],samplers:[]},u=[],c=function(e){s=s.then(function(){return n._createNodeAsync(e,t).then(function(s){var c=n._extensionsPostExportNodeAsync("createNodeAsync",s,e,a,t);return null==c?(i.Tools.Warn("Not exporting node ".concat(e.name)),Promise.resolve()):c.then(function(i){i&&(n._nodes.push(i),r=n._nodes.length-1,a[e.uniqueId]=r,!n._babylonScene.animationGroups.length&&(l._GLTFAnimation._CreateMorphTargetAnimationFromMorphTargetAnimations(e,o,u,a,n._nodes,t,n._bufferViews,n._accessors,n._animationSampleRate,n._options.shouldExportAnimation),e.animations.length&&l._GLTFAnimation._CreateNodeAnimationFromNodeAnimations(e,o,u,a,n._nodes,t,n._bufferViews,n._accessors,n._animationSampleRate,n._options.shouldExportAnimation)))})})})},f=0;f<e.length;f++)c(e[f]);return s.then(function(){return o.channels.length&&o.samplers.length&&n._animations.push(o),u.forEach(function(e){e.channels.length&&e.samplers.length&&n._animations.push(e)}),n._babylonScene.animationGroups.length&&l._GLTFAnimation._CreateNodeAndMorphAnimationFromAnimationGroups(n._babylonScene,n._animations,a,t,n._bufferViews,n._accessors,n._animationSampleRate,n._options.shouldExportAnimation),a})},e.prototype._createNodeAsync=function(e,t){var r=this;return Promise.resolve().then(function(){var n={},s={primitives:[]};if(e.name&&(n.name=e.name),e instanceof i.TransformNode){if(r._setNodeTransformation(n,e),e instanceof i.Mesh){var a=e.morphTargetManager;if(a&&a.numTargets>0){s.weights=[];for(var o=0;o<a.numTargets;++o)s.weights.push(a.getTarget(o).influence)}}return r._setPrimitiveAttributesAsync(s,e,t).then(function(){return s.primitives.length&&(r._meshes.push(s),n.mesh=r._meshes.length-1),n})}return e instanceof i.Camera&&r._setCameraTransformation(n,e),n})},e.prototype._createSkinsAsync=function(e,t){for(var r,n=Promise.resolve(),s={},o=0,l=this._babylonScene.skeletons;o<l.length;o++){var u=l[o];if(!(u.bones.length<=0)){for(var c={joints:[]},f=[],p={},h=-1,_=0;_<u.bones.length;++_){var d=u.bones[_],m=null!=(r=d.getIndex())?r:_;-1!==m&&(p[m]=d,m>h&&(h=m))}for(var m=0;m<=h;++m){var d=p[m];f.push(d.getInvertedAbsoluteTransform());var g=d.getTransformNode();g&&null!==e[g.uniqueId]&&void 0!==e[g.uniqueId]?c.joints.push(e[g.uniqueId]):i.Tools.Warn("Exporting a bone without a linked transform node is currently unsupported")}if(c.joints.length>0){var x=64*f.length,y=t.getByteOffset(),T=a._GLTFUtilities._CreateBufferView(0,y,x,void 0,"InverseBindMatrices - "+u.name);this._bufferViews.push(T);var v=this._bufferViews.length-1,b=a._GLTFUtilities._CreateAccessor(v,"InverseBindMatrices - "+u.name,"MAT4",5126,f.length,null,
1null,null);c.inverseBindMatrices=this._accessors.push(b)-1,this._skins.push(c),s[u.uniqueId]=this._skins.length-1,f.forEach(function(e){e.m.forEach(function(e){t.setFloat32(e)})})}}}return n.then(function(){return s})},e._ExtensionNames=[],e._ExtensionFactories={},e}(),p=function(){function e(e){this._arrayBuffer=new ArrayBuffer(e),this._dataView=new DataView(this._arrayBuffer),this._byteOffset=0}return e.prototype._resizeBuffer=function(e){var t=new ArrayBuffer(e),r=Math.min(this._arrayBuffer.byteLength,e),n=new Uint8Array(this._arrayBuffer,0,r);return new Uint8Array(t).set(n,0),this._arrayBuffer=t,this._dataView=new DataView(this._arrayBuffer),t},e.prototype.getArrayBuffer=function(){return this._resizeBuffer(this.getByteOffset())},e.prototype.getByteOffset=function(){if(void 0==this._byteOffset)throw Error("Byte offset is undefined!");return this._byteOffset},e.prototype.setUInt8=function(e,t){null!=t?t<this._byteOffset?this._dataView.setUint8(t,e):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._byteOffset+1>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setUint8(this._byteOffset,e),this._byteOffset+=1)},e.prototype.setUInt16=function(e,t){null!=t?t<this._byteOffset?this._dataView.setUint16(t,e,!0):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._byteOffset+2>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setUint16(this._byteOffset,e,!0),this._byteOffset+=2)},e.prototype.getUInt32=function(e){if(e<this._byteOffset)return this._dataView.getUint32(e,!0);throw i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"),Error("BinaryWriter: byteoffset is greater than the current binary buffer length!")},e.prototype.getVector3Float32FromRef=function(e,t){t+8>this._byteOffset?i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(e.x=this._dataView.getFloat32(t,!0),e.y=this._dataView.getFloat32(t+4,!0),e.z=this._dataView.getFloat32(t+8,!0))},e.prototype.setVector3Float32FromRef=function(e,t){t+8>this._byteOffset?i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._dataView.setFloat32(t,e.x,!0),this._dataView.setFloat32(t+4,e.y,!0),this._dataView.setFloat32(t+8,e.z,!0))},e.prototype.getVector4Float32FromRef=function(e,t){t+12>this._byteOffset?i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(e.x=this._dataView.getFloat32(t,!0),e.y=this._dataView.getFloat32(t+4,!0),e.z=this._dataView.getFloat32(t+8,!0),e.w=this._dataView.getFloat32(t+12,!0))},e.prototype.setVector4Float32FromRef=function(e,t){t+12>this._byteOffset?i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._dataView.setFloat32(t,e.x,!0),this._dataView.setFloat32(t+4,e.y,!0),this._dataView.setFloat32(t+8,e.z,!0),this._dataView.setFloat32(t+12,e.w,!0))},e.prototype.setFloat32=function(e,t){isNaN(e)&&i.Tools.Error("Invalid data being written!"),null!=t&&(t<this._byteOffset?this._dataView.setFloat32(t,e,!0):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary length!")),this._byteOffset+4>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setFloat32(this._byteOffset,e,!0),this._byteOffset+=4},e.prototype.setUInt32=function(e,t){null!=t?t<this._byteOffset?this._dataView.setUint32(t,e,!0):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._byteOffset+4>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setUint32(this._byteOffset,e,!0),this._byteOffset+=4)},e.prototype.setInt16=function(e,t){null!=t?t<this._byteOffset?this._dataView.setInt16(t,e,!0):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._byteOffset+2>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setInt16(this._byteOffset,e,!0),this._byteOffset+=2)},e.prototype.setByte=function(e,t){null!=t?t<this._byteOffset?this._dataView.setInt8(t,e):i.Tools.Error("BinaryWriter: byteoffset is greater than the current binary buffer length!"):(this._byteOffset+1>this._arrayBuffer.byteLength&&this._resizeBuffer(2*this._arrayBuffer.byteLength),this._dataView.setInt8(this._byteOffset,e),this._byteOffset++)},e}()},
1"../../../dev/serializers/src/glTF/2.0/glTFExporterExtension.ts":(e,t,r)=>{r.r(t),r.d(t,{__IGLTFExporterExtensionV2:()=>n});var n=0},
1"../../../dev/serializers/src/glTF/2.0/glTFMaterialExporter.ts":(e,t,r)=>{r.r(t),r.d(t,{_GLTFMaterialExporter:()=>s});var n=r("../../../../node_modules/tslib/tslib.es6.mjs"),i=r("babylonjs/Maths/math.vector"),s=function(){function e(e){this._textureMap={},this._internalTextureToImage={},this._textureMap={},this._exporter=e}return e._FuzzyEquals=function(e,t,r){return i.Scalar.WithinEpsilon(e.r,t.r,r)&&i.Scalar.WithinEpsilon(e.g,t.g,r)&&i.Scalar.WithinEpsilon(e.b,t.b,r)},e.prototype._convertMaterialsToGLTFAsync=function(e,t,r){var n=this,s=[];return e.forEach(function(e){"StandardMaterial"===e.getClassName()?s.push(n._convertStandardMaterialAsync(e,t,r)):-1!==e.getClassName().indexOf("PBR")?s.push(n._convertPBRMaterialAsync(e,t,r)):i.Tools.Warn("Unsupported material type: ".concat(e.name))}),Promise.all(s).then(function(){})},e.prototype._stripTexturesFromMaterial=function(e){var t={};if(e){t.name=e.name,t.doubleSided=e.doubleSided,t.alphaMode=e.alphaMode,t.alphaCutoff=e.alphaCutoff,t.emissiveFactor=e.emissiveFactor;var r=e.pbrMetallicRoughness;r&&(t.pbrMetallicRoughness={},t.pbrMetallicRoughness.baseColorFactor=r.baseColorFactor,t.pbrMetallicRoughness.metallicFactor=r.metallicFactor,t.pbrMetallicRoughness.roughnessFactor=r.roughnessFactor)}return t},e.prototype._hasTexturesPresent=function(e){if(e.emissiveTexture||e.normalTexture||e.occlusionTexture)return!0;var t,r=e.pbrMetallicRoughness;if(r&&(r.baseColorTexture||r.metallicRoughnessTexture))return!0;if(e.extensions)for(var n in e.extensions){var i=e.extensions[n];if(i)return null==(t=i.hasTextures)?void 0:t.call(i)}return!1},e.prototype._getTextureInfo=function(e){if(e){var t=e.uid;if(t in this._textureMap)return this._textureMap[t]}return null},e.prototype._convertToGLTFPBRMetallicRoughness=function(t){var r,n=new i.Vector2(0,1),s=new i.Vector2(0,.1),a=new i.Vector2(0,.1),o=new i.Vector2(1300,.1),l=t.diffuseColor.toLinearSpace(t.getScene().getEngine().useExactSrgbConversions).scale(.5),u=t.alpha,c=(r=Math.pow(i.Scalar.Clamp(t.specularPower,0,e._MaxSpecularPower)/o.x,.333333),(1-r)*(1-r)*(1-r)*n.y+3*(1-r)*(1-r)*r*s.y+3*(1-r)*r*r*a.y+r*r*r*o.y);return{baseColorFactor:[l.r,l.g,l.b,u],metallicFactor:0,roughnessFactor:c}},e._SolveMetallic=function(e,t,r){if(t<this._DielectricSpecular.r)return this._DielectricSpecular,0;var n=this._DielectricSpecular.r,s=e*r/(1-this._DielectricSpecular.r)+t-2*this._DielectricSpecular.r,a=this._DielectricSpecular.r-t;return i.Scalar.Clamp((-s+Math.sqrt(s*s-4*n*a))/(2*n),0,1)},e._SetAlphaMode=function(e,t){t.needAlphaBlending()?e.alphaMode="BLEND":t.needAlphaTesting()&&(e.alphaMode="MASK",e.alphaCutoff=t.alphaCutOff)},e.prototype._convertStandardMaterialAsync=function(t,r,n){var s=this._exporter._materialMap,a=this._exporter._materials,o=[],l=this._convertToGLTFPBRMetallicRoughness(t),u={name:t.name};if(null==t.backFaceCulling||t.backFaceCulling||(t.twoSidedLighting||i.Tools.Warn(t.name+": Back-face culling disabled and two-sided lighting disabled is not supported in glTF."),u.doubleSided=!0),n){t.diffuseTexture&&o.push(this._exportTextureAsync(t.diffuseTexture,r).then(function(e){e&&(l.baseColorTexture=e)}));var c=t.bumpTexture;c&&o.push(this._exportTextureAsync(c,r).then(function(e){e&&(u.normalTexture=e,1!==c.level&&(u.normalTexture.scale=c.level))})),t.emissiveTexture&&(u.emissiveFactor=[1,1,1],o.push(this._exportTextureAsync(t.emissiveTexture,r).then(function(e){e&&(u.emissiveTexture=e)}))),t.ambientTexture&&o.push(this._exportTextureAsync(t.ambientTexture,r).then(function(e){e&&(u.occlusionTexture={index:e.index})}))}return(t.alpha<1||t.opacityTexture)&&(t.alphaMode===i.Constants.ALPHA_COMBINE?u.alphaMode="BLEND":i.Tools.Warn(t.name+": glTF 2.0 does not support alpha mode: "+t.alphaMode.toString())),t.emissiveColor&&!e._FuzzyEquals(t.emissiveColor,i.Color3.Black(),e._Epsilon)&&(u.emissiveFactor=t.emissiveColor.asArray()),u.pbrMetallicRoughness=l,e._SetAlphaMode(u,t),a.push(u),s[t.uniqueId]=a.length-1,this._finishMaterial(o,u,t,r)},e.prototype._finishMaterial=function(e,t,r,n){var i=this;return Promise.all(e).then(function(){for(var e=i._exporter._extensionsPostExportMaterialAdditionalTextures("exportMaterial",t,r),s=null,a=0;a<e.length;a++){var o=e[a];s||(s=[]),s.push(i._exportTextureAsync(o,n))}return s||(s=[Promise.resolve(null)]),Promise.all(s).then(function(){var e=i._exporter._extensionsPostExportMaterialAsync("exportMaterial",t,r);return e?e.then(function(){return t}):t})})},e.prototype._getImageDataAsync=function(e,t,r,s){return(0,n.__awaiter)(this,void 0,void 0,function(){var a,o,l,u,c;return(0,n.__generator)(this,function(n){switch(n.label){case 0:return a=i.Constants.TEXTURETYPE_UNSIGNED_INT,u=(l=(o=this._exporter._babylonScene).getEngine()).createRawTexture(e,t,r,i.Constants.TEXTUREFORMAT_RGBA,!1,!0,i.Texture.NEAREST_SAMPL
1INGMODE,null,a),[4,i.TextureTools.ApplyPostProcess("pass",u,o,a,i.Constants.TEXTURE_NEAREST_SAMPLINGMODE,i.Constants.TEXTUREFORMAT_RGBA)];case 1:return n.sent(),[4,l._readTexturePixels(u,t,r)];case 2:return c=n.sent(),[4,i.DumpTools.DumpDataAsync(t,r,c,s,void 0,!0,!0)];case 3:return[2,n.sent()]}})})},e.prototype._createWhiteTexture=function(e,t,r){for(var n=new Uint8Array(e*t*4),s=0;s<n.length;s+=4)n[s]=n[s+1]=n[s+2]=n[s+3]=255;return i.RawTexture.CreateRGBATexture(n,e,t,r)},e.prototype._resizeTexturesToSameDimensions=function(e,t,r){var n,s,a=e?e.getSize():{width:0,height:0},o=t?t.getSize():{width:0,height:0};return a.width<o.width?(n=e&&e instanceof i.Texture?i.TextureTools.CreateResizedCopy(e,o.width,o.height,!0):this._createWhiteTexture(o.width,o.height,r),s=t):a.width>o.width?(s=t&&t instanceof i.Texture?i.TextureTools.CreateResizedCopy(t,a.width,a.height,!0):this._createWhiteTexture(a.width,a.height,r),n=e):(n=e,s=t),{texture1:n,texture2:s}},e.prototype._convertPixelArrayToFloat32=function(e){if(e instanceof Uint8Array){for(var t=e.length,r=new Float32Array(e.length),n=0;n<t;++n)r[n]=e[n]/255;return r}if(e instanceof Float32Array)return e;throw Error("Unsupported pixel format!")},e.prototype._convertSpecularGlossinessTexturesToMetallicRoughnessAsync=function(t,r,s,a){var o;return(0,n.__awaiter)(this,void 0,void 0,function(){var l,u,c,f,p,h,_,d,m,g,x,y,T,v,b,E,F,A,R,M,w,S,C,V,I,K,B;return(0,n.__generator)(this,function(n){switch(n.label){case 0:if(l=[],!(t||r))return[2,Promise.reject("_ConvertSpecularGlosinessTexturesToMetallicRoughness: diffuse and specular glossiness textures are not defined!")];if(!(u=t?t.getScene():r?r.getScene():null))return[3,3];return f=null==(o=(c=this._resizeTexturesToSameDimensions(t,r,u)).texture1)?void 0:o.getSize(),p=void 0,h=void 0,_=f.width,d=f.height,[4,c.texture1.readPixels()];case 1:return m=n.sent(),[4,c.texture2.readPixels()];case 2:if(g=n.sent(),!m)return[2,Promise.reject("Failed to retrieve pixels from diffuse texture!")];if(p=this._convertPixelArrayToFloat32(m),!g)return[2,Promise.reject("Failed to retrieve pixels from specular glossiness texture!")];for(y=new Uint8Array(x=(h=this._convertPixelArrayToFloat32(g)).byteLength),T=new Uint8Array(x),F=0,v=i.Color3.Black(),b=0,E=0;F<d;++F)for(A=0;A<_;++A)R=(_*F+A)*4,M={diffuseColor:new i.Color3(p[R],p[R+1],p[R+2]).toLinearSpace(u.getEngine().useExactSrgbConversions).multiply(s.diffuseColor),specularColor:new i.Color3(h[R],h[R+1],h[R+2]).toLinearSpace(u.getEngine().useExactSrgbConversions).multiply(s.specularColor),glossiness:h[R+3]*s.glossiness},w=this._convertSpecularGlossinessToMetallicRoughness(M),v.r=Math.max(v.r,w.baseColor.r),v.g=Math.max(v.g,w.baseColor.g),v.b=Math.max(v.b,w.baseColor.b),b=Math.max(b,w.metallic),E=Math.max(E,w.roughness),T[R]=255*w.baseColor.r,T[R+1]=255*w.baseColor.g,T[R+2]=255*w.baseColor.b,T[R+3]=c.texture1.hasAlpha?255*p[R+3]:255,y[R]=0,y[R+1]=255*w.roughness,y[R+2]=255*w.metallic,y[R+3]=255;for(F=0,S={baseColor:v,metallic:b,roughness:E},C=!1,V=!1;F<d;++F)for(A=0;A<_;++A)I=(_*F+A)*4,T[I]/=S.baseColor.r>e._Epsilon?S.baseColor.r:1,T[I+1]/=S.baseColor.g>e._Epsilon?S.baseColor.g:1,T[I+2]/=S.baseColor.b>e._Epsilon?S.baseColor.b:1,K=i.Color3.FromInts(T[I],T[I+1],T[I+2]).toGammaSpace(u.getEngine().useExactSrgbConversions),T[I]=255*K.r,T[I+1]=255*K.g,T[I+2]=255*K.b,e._FuzzyEquals(K,i.Color3.White(),e._Epsilon)||(V=!0),y[I+1]/=S.roughness>e._Epsilon?S.roughness:1,y[I+2]/=S.metallic>e._Epsilon?S.metallic:1,B=i.Color3.FromInts(255,y[I+1],y[I+2]),e._FuzzyEquals(B,i.Color3.White(),e._Epsilon)||(C=!0);return C&&l.push(this._getImageDataAsync(y,_,d,a).then(function(e){S.metallicRoughnessTextureData=e})),V&&l.push(this._getImageDataAsync(T,_,d,a).then(function(e){S.baseColorTextureData=e})),[2,Promise.all(l).then(function(){return S})];case 3:return[2,Promise.reject("_ConvertSpecularGlossinessTexturesToMetallicRoughness: Scene from textures is missing!")]}})})},e.prototype._convertSpecularGlossinessToMetallicRoughness=function(t){var r=this._getPerceivedBrightness(t.diffuseColor),n=this._getPerceivedBrightness(t.specularColor),s=1-this._getMaxComponent(t.specularColor),a=e._SolveMetallic(r,n,s),o=t.diffuseColor.scale(s/(1-e._DielectricSpecular.r)/Math.max(1-a,e._Epsilon)),l=t.specularColor.subtract(e._DielectricSpecular.scale(1-a)).scale(1/Math.max(a,e._Epsilon)),u=i.Color3.Lerp(o,l,a*a);return{baseColor:u=u.clampToRef(0,1,u),metallic:a,roughness:1-t.glossiness}},e.prototype._getPerceivedBrightness=function(e){return e?Math.sqrt(.299*e.r*e.r+.587*e.g*e.g+.114*e.b*e.b):0},e.prototype._getMaxComponent=function(e){return e?Math.max(e.r,Math.max(e.g,e.b)):0},e.prototype._convertMetalRoughFactorsToMetallicRoughnessAsync=function(e,t,r,n){var i=[],s={baseColor:e._albedoColor,metallic:e._metallic,roughness:e._roughness};if(n){e._albedoTexture&&i.push(this._exportTextureAsync(e._albedoTexture,t).then(function(e){e&&(r.baseColorTexture=e)}));var a=e._metallicTexture;a&&i.push(this._exportTextureAsync(a,t).then(function(e){e&&(r.metallicRoughnessTexture=e)}))}return Promise.all(i).then(function(){return s})},e.prototype._getTextureSampler=function(e){var t={};if(!e||!(e instanceof i.Texture))return t;var r=this._getGLTFTextureWrapMode(e.wrapU);10497!==r&&(t.wrapS=r);var n=this._getGLTFTextureWrapMode(e.wrapV);switch(10497!==n&&(t.wrapT=n),e.samplingMode){case i.Texture.LINEAR_LINEAR:t.magFilter=9729,t.minFilter=9729;break;case i.Texture.LINEAR_NEAREST:t.magFilter=9729,t.minFilter=9728;break;case i.Texture.NEAREST_LINEAR:t.magFilter=9728,t.minFilter=9729;break;case i.Texture.NEAREST_LINEAR_MIPLINEAR:t.magFilter=9728,t.minFilter=9987;break;case i.Texture.NEAREST_NEAREST:t.magFilter=9728,t.minFilter=9728;break;case i.Texture.NEAREST_LINEAR_MIPNEAREST:t.magFilter=9728,t.minFilter=9985;break;case i.Texture.LINEAR_NEAREST_MIPNEAREST:t.magFilter=9729,t.minFilter=9984;break;case i.Texture.LINEAR_NEAREST_MIPLINEAR:t.magFilter=9729,t.minFilter=9986;break;case i.Texture.NEAREST_NEAREST_MIPLINEAR:t.magFilter=9728,t.minFilter=9986;break;case i.Texture.LINEAR_LINEAR_MIPLINEAR:t.magFilter=9729,t.minFilter=9987;break;case i.Texture.LINEAR_LINEAR_MIPNEAREST:t.magFilter=9729,t.minFilter=9985;break;case i.Texture.NEAREST_NEAREST_MIPNEAREST:t.magFilter=9728,t.minFilter=9984}return t},e.prototype._getGLTFTextureWrapMode=function(e){switch(e){case i.Texture.WRAP_ADDRESSMODE:return 10497;case i.Texture.CLAMP_ADDRESSMODE:return 33071;case i.Texture.MIRROR_ADDRESSMODE:return 33648;default:return i.Tools.Error("Unsupported Texture Wrap Mode ".concat(e,"!")),10497}},e.prototype._convertSpecGlossFactorsToMetallicRoughnessAsync=function(e,t,r,n){var i=this;return Promise.resolve().then(function(){var s={diffuseColor:e._albedoColor,specularColor:e._reflectivityColor,glossiness:e._microSurface},a=e._albedoTexture,o=e._reflectivityTexture,l=e._useMicroSurfaceFromReflectivityMapAlpha;if(o&&!l)return Promise.reject("_ConvertPBRMaterial: Glossiness values n
1ot included in the reflectivity texture are currently not supported");if(!a&&!o||!n)return i._convertSpecularGlossinessToMetallicRoughness(s);var u=i._exportTextureSampler(a||o);return i._convertSpecularGlossinessTexturesToMetallicRoughnessAsync(a,o,s,t).then(function(e){var n=i._exporter._textures;if(e.baseColorTextureData){var s=i._exportImage("baseColor".concat(n.length),t,e.baseColorTextureData);r.baseColorTexture=i._exportTextureInfo(s,u,null==a?void 0:a.coordinatesIndex)}if(e.metallicRoughnessTextureData){var s=i._exportImage("metallicRoughness".concat(n.length),t,e.metallicRoughnessTextureData);r.metallicRoughnessTexture=i._exportTextureInfo(s,u,null==o?void 0:o.coordinatesIndex)}return e})})},e.prototype._convertPBRMaterialAsync=function(e,t,r){var n=this,i={},s={name:e.name};if(!e.isMetallicWorkflow())return this._convertSpecGlossFactorsToMetallicRoughnessAsync(e,t,i,r).then(function(a){return n._setMetallicRoughnessPbrMaterial(a,e,s,i,t,r)});var a=e._albedoColor,o=e.alpha;return a&&(i.baseColorFactor=[a.r,a.g,a.b,o]),this._convertMetalRoughFactorsToMetallicRoughnessAsync(e,t,i,r).then(function(a){return n._setMetallicRoughnessPbrMaterial(a,e,s,i,t,r)})},e.prototype._setMetallicRoughnessPbrMaterial=function(t,r,n,s,a,o){var l=this._exporter._materialMap,u=this._exporter._materials,c=[];if(t){if(e._SetAlphaMode(n,r),e._FuzzyEquals(t.baseColor,i.Color3.White(),e._Epsilon)&&r.alpha>=e._Epsilon||(s.baseColorFactor=[t.baseColor.r,t.baseColor.g,t.baseColor.b,r.alpha]),null!=t.metallic&&1!==t.metallic&&(s.metallicFactor=t.metallic),null!=t.roughness&&1!==t.roughness&&(s.roughnessFactor=t.roughness),null==r.backFaceCulling||r.backFaceCulling||(r._twoSidedLighting||i.Tools.Warn(r.name+": Back-face culling disabled and two-sided lighting disabled is not supported in glTF."),n.doubleSided=!0),o){var f=r._bumpTexture;if(f){var p=this._exportTextureAsync(f,a).then(function(e){e&&(n.normalTexture=e,1!==f.level&&(n.normalTexture.scale=f.level))});c.push(p)}var h=r._ambientTexture;if(h){var p=this._exportTextureAsync(h,a).then(function(e){if(e){var t={index:e.index,texCoord:e.texCoord,extensions:e.extensions};n.occlusionTexture=t;var i=r._ambientTextureStrength;i&&(t.strength=i)}});c.push(p)}var _=r._emissiveTexture;if(_){var p=this._exportTextureAsync(_,a).then(function(e){e&&(n.emissiveTexture=e)});c.push(p)}}var d=r._emissiveColor;e._FuzzyEquals(d,i.Color3.Black(),e._Epsilon)||(n.emissiveFactor=d.asArray()),n.pbrMetallicRoughness=s,u.push(n),l[r.uniqueId]=u.length-1}return this._finishMaterial(c,n,r,a)},e.prototype._getPixelsFromTexture=function(e){return e.textureType===i.Constants.TEXTURETYPE_UNSIGNED_INT,e.readPixels()},e.prototype._exportTextureAsync=function(e,t){var r=this,n=this._exporter._extensionsPreExportTextureAsync("exporter",e,t);return n?n.then(function(n){return n?r._exportTextureInfoAsync(n,t):r._exportTextureInfoAsync(e,t)}):this._exportTextureInfoAsync(e,t)},e.prototype._exportTextureInfoAsync=function(e,t){return(0,n.__awaiter)(this,void 0,void 0,function(){var r,s,a,o,l,u,c,f,p,h,_=this;return(0,n.__generator)(this,function(d){switch(d.label){case 0:if((r=e.uid)in this._textureMap)return[3,3];return[4,this._getPixelsFromTexture(e)];case 1:if(!(s=d.sent()))return[2,null];if(a=this._exportTextureSampler(e),o=e.mimeType)switch(o){case"image/jpeg":case"image/png":case"image/webp":t=o;break;default:i.Tools.Warn("Unsupported media type: ".concat(o))}return(l=this._internalTextureToImage)[u=e.getInternalTexture().uniqueId]||(l[u]={}),void 0===(c=l[u][t])&&(f=e.getSize(),c=(0,n.__awaiter)(_,void 0,void 0,function(){var r;return(0,n.__generator)(this,function(n){switch(n.label){case 0:return[4,this._getImageDataAsync(s,f.width,f.height,t)];case 1:return r=n.sent(),[2,this._exportImage(e.name,t,r)]}})}),l[u][t]=c),h=this._exportTextureInfo,[4,c];case 2:p=h.apply(this,[d.sent(),a,e.coordinatesIndex]),this._textureMap[r]=p,this._exporter._extensionsPostExportTextures("exporter",this._textureMap[r],e),d.label=3;case 3:return[2,this._textureMap[r]]}})})},e.prototype._exportImage=function(e,t,r){var n=this._exporter._imageData,s=e.replace(/\.\/|\/|\.\\|\\/g,"_"),a=function(e){switch(e){case"image/jpeg":return".jpg";case"image/png":return".png";case"image/webp":return".webp"}}(t),o=s+a;o in n&&(o="".concat(s,"_").concat(i.Tools.RandomId()).concat(a)),n[o]={data:r,mimeType:t};var l=this._exporter._images;return l.push({name:e,uri:o}),l.length-1},e.prototype._exportTextureInfo=function(e,t,r){var n=this._exporter._textures,i=n.findIndex(function(r){return r.s
1ampler==t&&r.source===e});-1===i&&(i=n.length,n.push({source:e,sampler:t}));var s={index:i};return r&&(s.texCoord=r),s},e.prototype._exportTextureSampler=function(e){var t=this._getTextureSampler(e),r=this._exporter._samplers,n=r.findIndex(function(e){return e.minFilter===t.minFilter&&e.magFilter===t.magFilter&&e.wrapS===t.wrapS&&e.wrapT===t.wrapT});return -1!==n?n:(r.push(t),r.length-1)},e._DielectricSpecular=new i.Color3(.04,.04,.04),e._MaxSpecularPower=1024,e._Epsilon=1e-6,e}()},
1"../../../dev/serializers/src/glTF/2.0/glTFSerializer.ts":(e,t,r)=>{r.r(t),r.d(t,{GLTF2Export:()=>i});var n=r("../../../dev/serializers/src/glTF/2.0/glTFExporter.ts"),i=function(){function e(){}return e.GLTFAsync=function(e,t,r){return e.whenReadyAsync().then(function(){var i=t.replace(/\.[^/.]+$/,"");return new n._Exporter(e,r)._generateGLTFAsync(i)})},e._PreExportAsync=function(e,t){return Promise.resolve().then(function(){return t&&t.exportWithoutWaitingForScene?Promise.resolve():e.whenReadyAsync()})},e._PostExportAsync=function(e,t,r){return Promise.resolve().then(function(){return r&&r.exportWithoutWaitingForScene,t})},e.GLBAsync=function(e,t,r){var i=this;return this._PreExportAsync(e,r).then(function(){var s=t.replace(/\.[^/.]+$/,"");return new n._Exporter(e,r)._generateGLBAsync(s).then(function(t){return i._PostExportAsync(e,t,r)})})},e}()},
1"../../../dev/serializers/src/glTF/2.0/glTFUtilities.ts":(e,t,r)=>{r.r(t),r.d(t,{_GLTFUtilities:()=>i});var n=r("babylonjs/Maths/math.vector"),i=function(){function e(){}return e._CreateBufferView=function(e,t,r,n,i){var s={buffer:e,byteLength:r};return t&&(s.byteOffset=t),i&&(s.name=i),n&&(s.byteStride=n),s},e._CreateAccessor=function(e,t,r,n,i,s,a,o){var l={name:t,bufferView:e,componentType:n,count:i,type:r};return null!=a&&(l.min=a),null!=o&&(l.max=o),null!=s&&(l.byteOffset=s),l},e._CalculateMinMaxPositions=function(e,t,r){var i,s,a=[1/0,1/0,1/0],o=[-1/0,-1/0,-1/0];if(r)for(var l=t,u=t+r;l<u;++l){i=3*l,s=n.Vector3.FromArray(e,i).asArray();for(var c=0;c<3;++c){var f=s[c];f<a[c]&&(a[c]=f),f>o[c]&&(o[c]=f),++i}}return{min:a,max:o}},e._NormalizeTangentFromRef=function(e){var t=Math.sqrt(e.x*e.x+e.y*e.y+e.z*e.z);t>0&&(e.x/=t,e.y/=t,e.z/=t)},e._GetDataAccessorElementCount=function(e){switch(e){case"MAT2":case"VEC4":return 4;case"MAT3":return 9;case"MAT4":return 16;case"SCALAR":return 1;case"VEC2":return 2;case"VEC3":return 3}},e}()},
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Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.