var BABYLON;!(function(e){var n;!(function(e){e[e.AUTO=0]="AUTO",e[e.PASS_THROUGH=1]="PASS_THROUGH",e[e.FORCE_RIGHT_HANDED=2]="FORCE_RIGHT_HANDED"})(n=e.GLTFLoaderCoordinateSystemMode||(e.GLTFLoaderCoordinateSystemMode={}));var r=(function(){function e(){this.coordinateSystemMode=n.AUTO,this.name="gltf",this.extensions={".gltf":{isBinary:!1},".glb":{isBinary:!0}}}return e.prototype.importMeshAsync=function(n,r,t,i,o,a,s){var u=e._parse(t,s);if(u){var l=this._getLoader(u,s);l&&l.importMeshAsync(n,r,u,i,o,a,s)}},e.prototype.loadAsync=function(n,r,t,i,o,a){var s=e._parse(r,a);if(s){var u=this._getLoader(s,a);if(u)return u.loadAsync(n,s,t,i,o,a)}},e.prototype.canDirectLoad=function(e){return-1!==e.indexOf("scene")&&-1!==e.indexOf("node")},e._parse=function(n,r){if(n instanceof ArrayBuffer)return e._parseBinary(n,r);try{return{json:JSON.parse(n),bin:null}}catch(e){return r(e.message),null}},e.prototype._getLoader=function(n,r){var 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e.major>n.major?1:e.major<n.major?-1:e.minor>n.minor?1:e.minor<n.minor?-1:0},e._decodeBufferToText=function(e){for(var n="",r=e.byteLength,t=0;t<r;++t)n+=String.fromCharCode(e[t]);return n},e.HomogeneousCoordinates=!1,e.IncrementalLoading=!0,e})();e.GLTFFileLoader=r;var t=(function(){function e(e){this._arrayBuffer=e,this._dataView=new DataView(e),this._byteOffset=0}return e.prototype.getPosition=function(){return this._byteOffset},e.prototype.getLength=function(){return this._arrayBuffer.byteLength},e.prototype.readUint32=function(){var e=this._dataView.getUint32(this._byteOffset,!0);return this._byteOffset+=4,e},e.prototype.readUint8Array=function(e){var n=new Uint8Array(this._arrayBuffer,this._byteOffset,e);return this._byteOffset+=e,n},e.prototype.skipBytes=function(e){this._byteOffset+=e},e})();e.SceneLoader&&e.SceneLoader.RegisterPlugin(new r)})(BABYLON||(BABYLON={}));var BABYLON;!(function(e){!(function(e){!(function(e){e[e.BYTE=5120]="BYTE",e[e.UNSIGNED_BYTE=5121]="UNSIGNED_BYTE",e[e.SHORT=5122]="SHORT",e[e.UNSIGNED_SHORT=5123]="UNSIGNED_SHORT",e[e.FLOAT=5126]="FLOAT"})(e.EComponentType||(e.EComponentType={}));!(function(e){e[e.FRAGMENT=35632]="FRAGMENT",e[e.VERTEX=35633]="VERTEX"})(e.EShaderType||(e.EShaderType={}));!(function(e){e[e.BYTE=5120]="BYTE",e[e.UNSIGNED_BYTE=5121]="UNSIGNED_BYTE",e[e.SHORT=5122]="SHORT",e[e.UNSIGNED_SHORT=5123]="UNSIGNED_SHORT",e[e.INT=5124]="INT",e[e.UNSIGNED_INT=5125]="UNSIGNED_INT",e[e.FLOAT=5126]="FLOAT",e[e.FLOAT_VEC2=35664]="FLOAT_VEC2",e[e.FLOAT_VEC3=35665]="FLOAT_VEC3",e[e.FLOAT_VEC4=35666]="FLOAT_VEC4",e[e.INT_VEC2=35667]="INT_VEC2",e[e.INT_VEC3=35668]="INT_VEC3",e[e.INT_VEC4=35669]="INT_VEC4",e[e.BOOL=35670]="BOOL",e[e.BOOL_VEC2=35671]="BOOL_VEC2",e[e.BOOL_VEC3=35672]="BOOL_VEC3",e[e.BOOL_VEC4=35673]="BOOL_VEC4",e[e.FLOAT_MAT2=35674]="FLOAT_MAT2",e[e.FLOAT_MAT3=35675]="FLOAT_MAT3",e[e.FLOAT_MAT4=35676]="FLOAT_MAT4",e[e.SAMPLER_2D=35678]="SAMPLER_2D"})(e.EParameterType||(e.EParameterType={}));!(function(e){e[e.CLAMP_TO_EDGE=33071]="CLAMP_TO_EDGE",e[e.MIRRORED_REPEAT=33648]="MIRRORED_REPEAT",e[e.REPEAT=10497]="REPEAT"})(e.ETextureWrapMode||(e.ETextureWrapMode={}));!(function(e){e[e.NEAREST=9728]="NEAREST",e[e.LINEAR=9728]="LINEAR",e[e.NEAREST_MIPMAP_NEAREST=9984]="NEAREST_MIPMAP_NEAREST",e[e.LINEAR_MIPMAP_NEAREST=9985]="LINEAR_MIPMAP_NEAREST",e[e.NEAREST_MIPMAP_LINEAR=9986]="NEAREST_MIPMAP_LINEAR",e[e.LINEAR_MIPMAP_LINEAR=9987]="LINEAR_MIPMAP_LINEAR"})(e.ETextureFilterType||(e.ETextureFilterType={}));!(function(e){e[e.ALPHA=6406]="ALPHA",e[e.RGB=6407]="RGB",e[e.RGBA=6408]="RGBA",e[e.LUMINANCE=6409]="LUMINANCE",e[e.LUMINANCE_ALPHA=6410]="LUMINANCE_ALPHA"})(e.ETextureFormat||(e.ETextureFormat={}));!(function(e){e[e.FRONT=1028]="FRONT",e[e.BACK=1029]="BACK",e[e.FRONT_AND_BACK=1032]="FRONT_AND_BACK"})(e.ECullingType||(e.ECullingType={}));!(function(e){e[e.ZERO=0]="ZERO",e[e.ONE=1]="ONE",e[e.SRC_COLOR=768]="SRC_COLOR",e[e.ONE_MINUS_SRC_COLOR=769]="ONE_MINUS_SRC_COLOR",e[e.DST_COLOR=774]="DST_COLOR",e[e.ONE_MINUS_DST_COLOR=775]="ONE_MINUS_DST_COLOR",e[e.SRC_ALPHA=770]="SRC_ALPHA",e[e.ONE_MINUS_SRC_ALPHA=771]="ONE_MINUS_SRC_ALPHA",e[e.DST_ALPHA=772]="DST_ALPHA",e[e.ONE_MINUS_DST_ALPHA=773]="ONE_MINUS_DST_ALPHA",e[e.CONSTANT_COLOR=32769]="CONSTANT_COLOR",e[e.ONE_MINUS_CONSTANT_COLOR=32770]="ONE_MINUS_CONSTANT_COLOR",e[e.CONSTANT_ALPHA=32771]="CONSTANT_ALPHA",e[e.ONE_MINUS_CONSTANT_ALPHA=32772]="ONE_MINUS_CONSTANT_ALPHA",e[e.SRC_ALPHA_SATURATE=776]="SRC_ALPHA_SATURATE"})(e.EBlendingFunction||(e.EBlendingFunction={}))})(e.GLTF1||(e.GLTF1={}))})(BABYLON||(BABYLON={}));var BABYLON;!(function(e){!(function(n){var r;!(function(e){e[e.IDENTIFIER=1]="IDENTIFIER",e[e.UNKNOWN=2]="UNKNOWN",e[e.END_OF_INPUT=3]="END_OF_INPUT"})(r||(r={}));var t=(function(){function e(e){this._pos=0,this.isLetterOrDigitPattern=/^[a-zA-Z0-9]+$/,this._toParse=e,this._maxPos=e.length}return e.prototype.getNextToken=function(){if(this.isEnd())return r.END_OF_INPUT;if(this.currentString=this.read(),this.currentToken=r.UNKNOWN,"_"===this.currentString||this.isLetterOrDigitPattern.test(this.currentString))for(this.currentToken=r.IDENTIFIER,this.currentIdentifier=this.currentString;!this.isEnd()&&(this.isLetterOrDigitPattern.test(this.currentString=this.peek())||"_"===this.currentString);)this.currentIdentifier+=this.currentString,this.forward();return this.currentToken},e.prototype.peek=function(){return this._toParse[this._pos]},e.prototype.read=function(){return this._toParse[this._pos++]},e.prototype.forward=function(){this._pos++},e.prototype.isEnd=function(){return this._pos>=this._maxPos},e})(),i=["MODEL","VIEW","PROJECTION","MODELVIEW","MODELVIEWPROJECTION","JOINTMATRIX"],o=["world","view","projection","worldView","worldViewProjection","mBones"],a=["translation","rotation","scale"],s=["position","rotationQuaternion","scaling"],u=function(e,n){for(var r in e){var t=e[r];n.buffers[r]=t,n.buffersCount++}},l=function(e,n){for(var r in e){var t=e[r];n.shaders[r]=t,n.shaderscount++}},f=function(e,n,r){for(var t in e){var i=e[t];r[n][t]=i}},c=function(e){if(e)for(var n=0;n<e.length/2;n++)e[2*n+1]=1-e[2*n+1]},d=function(e){if("NORMAL"===e.semantic)return"normal";if("POSITION"===e.semantic)return"position";if("JOINT"===e.semantic)return"matricesIndices";if("WEIGHT"===e.semantic)return"matricesWeights";if("COLOR"===e.semantic)return"color";if(-1!==e.semantic.indexOf("TEXCOORD_")){var n=Number(e.semantic.split("_")[1]);return"uv"+(0===n?"":n+1)}},m=function(r){for(var t in r.animations)for(var i=r.animations[t],o=null,u=0;u<i.channels.length;u++){var l=i.channels[u],f=i.samplers[l.sampler];if(f){var c=null,d=null;i.parameters?(c=i.parameters[f.input],d=i.parameters[f.output]):(c=f.input,d=f.output);var m=n.GLTFUtils.GetBufferFromAccessor(r,r.accessors[c]),E=n.GLTFUtils.GetBufferFromAccessor(r,r.accessors[d]),T=l.target.id,A=r.scene.getNodeByID(T);if(null===A&&(A=r.scene.getNodeByName(T)),null!==A){var p=A instanceof e.Bone,h=l.target.path,L=a.indexOf(h);-1!==L&&(h=s[L]);var y=e.Animation.ANIMATIONTYPE_MATRIX;p||("rotationQuaternion"===h?(y=e.Animation.ANIMATIONTYPE_QUATERNION,A.rotationQuaternion=new e.Quaternion):y=e.Animation.ANIMATIONTYPE_VECTOR3);var N=null,g=[],O=0,v=!1;p&&o&&o.getKeys().length===m.length&&(N=o,v=!0),v||(N=new e.Animation(t,p?"_matrix":h,1,y,e.Animation.ANIMATIONLOOPMODE_CYCLE));for(var _=0;_<m.length;_++){var S=null;if("rotationQuaternion"===h?(S=e.Quaternion.FromArray([E[O],E[O+1],E[O+2],E[O+3]]),O+=4):(S=e.Vector3.FromArray([E[O],E[O+1],E[O+2]]),O+=3),p){var F=A,M=e.Vector3.Zero(),x=new e.Quaternion,B=e.Vector3.Zero(),R=F.getBaseMatrix();v&&(R=o.getKeys()[_].value),R.decompose(B,x,M),"position"===h?M=S:"rotationQuaternion"===h?x=S:B=S,S=e.Matrix.Compose(B,x,M)}v?o.getKeys()[_].value=S:g.push({frame:m[_],value:S})}v||(N.setKeys(g),A.animations.push(N)),o=N,r.scene.stopAnimation(A),r.scene.beginAnimation(A,0,m[m.length-1],!0,1)}else e.Tools.Warn("Creating animation named "+t+". But cannot find node named "+T+" to attach to")}}},E=function(n){var r=null;if(n.translation||n.rotation||n.scale){var t=e.Vector3.FromArray(n.scale||[1,1,1]),i=e.Quaternion.FromArray(n.rotation||[0,0,0,1]),o=e.Vector3.FromArray(n.translation||[0,0,0]);r=e.Matrix.Compose(t,i,o)}else r=e.Matrix.FromArray(n.matrix);return r},T=function(n,r,t,i){for(var o=0;o<i.bones.length;o++)if(i.bones[o].name===t)return i.bones[o];var a=n.nodes;for(var s in a){var u=a[s];if(u.jointName)for(var l=u.children,o=0;o<l.length;o++){var f=n.nodes[l[o]];if(f.jointName&&f.jointName===t){var c=E(u),d=new e.Bone(u.name,i,T(n,r,u.jointName,i),c);return d.id=s,d}}}return null},A=function(e,n){for(var r=0;r<e.length;r++)for(var t=e[r],i=0;i<t.node.children.length;i++){var o=t.node.children[i];if(o===n)return t.bone}return null},p=function(e,n){var r=e.nodes,t=r[n];if(t)return{node:t,id:n};for(var i in r)if(t=r[i],t.jointName===n)return{node:t,id:i};return null},h=function(e,n){for(var r=0;r<e.jointNames.length;r++)if(e.jointNames[r]===n)return!0;return!1},L=function(n,r,t,i){for(var o in n.nodes){var a=n.nodes[o],s=o;if(a.jointName&&!h(t,a.jointName)){var u=E(a),l=new e.Bone(a.name,r,null,u);l.id=s,i.push({bone:l,node:a,id:s})}}for(var f=0;f<i.length;f++)for(var c=i[f],d=c.node.children,m=0;m<d.length;m++){for(var T=null,A=0;A<i.length;A++)if(i[A].id===d[m]){T=i[A];break}T&&(T.bone._parent=c.bone,c.bone.children.push(T.bone))}},y=function(r,t,i,o,a){if(o||(o=new e.Skeleton(t.name,"",r.scene)),!t.babylonSkeleton)return o;var s=r.accessors[t.inverseBindMatrices],u=(n.GLTFUtils.GetBufferFromAccessor(r,s),e.Matrix.FromArray(t.bindShapeMatrix),[]),l=[];L(r,o,t,u),o.bones=[];for(var f=0;f<t.jointNames.length;f++){var c=p(r,t.jointNames[f]),d=c.node;if(d){var a=c.id,m=r.scene.getBoneByID(a);if(m)o.bones.push(m);else{for(var h=!1,y=null,N=0;N<f;N++){var g=p(r,t.jointNames[N]).node;if(g){var O=g.children;if(O){h=!1;for(var v=0;v<O.length;v++)if(O[v]===a){y=T(r,t,t.jointNames[N],o),h=!0;break}if(h)break}}else e.Tools.Warn("Joint named "+t.jointNames[N]+" does not exist when looking for parent")}var _=E(d);!y&&u.length>0&&(y=A(u,a))&&-1===l.indexOf(y)&&l.push(y);new e.Bone(d.jointName,o,y,_).id=a}}else e.Tools.Warn("Joint named "+t.jointNames[f]+" does not exist")}var S=o.bones;o.bones=[];for(var f=0;f<t.jointNames.length;f++){var c=p(r,t.jointNames[f]);if(c)for(var N=0;N<S.length;N++)if(S[N].id===c.id){o.bones.push(S[N]);break}}o.prepare();for(var f=0;f<l.length;f++)o.bones.push(l[f]);return o},N=function(r,t,i,o,a){if(a||(a=new e.Mesh(t.name,r.scene),a.id=o),!t.babylonNode)return a;var s=new e.MultiMaterial("multimat"+o,r.scene);a.material||(a.material=s);for(var u=new e.VertexData,l=new e.Geometry(o,r.scene,u,!1,a),f=[],d=[],m=[],E=[],T=0;T<i.length;T++){var A=i[T],p=r.meshes[A];if(p)for(var h=0;h<p.primitives.length;h++){var L=new e.VertexData,y=p.primitives[h];y.mode;var N=y.attributes,g=null,O=null;for(var v in N)if(g=r.accessors[N[v]],O=n.GLTFUtils.GetBufferFromAccessor(r,g),"NORMAL"===v)L.normals=new Float32Array(O.length),L.normals.set(O);else if("POSITION"===v){if(e.GLTFFileLoader.HomogeneousCoordinates){L.positions=new Float32Array(O.length-O.length/4);for(var _=0;_<O.length;_+=4)L.positions[_]=O[_],L.positions[_+1]=O[_+1],L.positions[_+2]=O[_+2]}else L.positions=new Float32Array(O.length),L.positions.set(O);d.push(L.positions.length)}else if(-1!==v.indexOf("TEXCOORD_")){var S=Number(v.split("_")[1]),F=e.VertexBuffer.UVKind+(0===S?"":S+1),M=new Float32Array(O.length);M.set(O),c(M),L.set(M,F)}else"JOINT"===v?(L.matricesIndices=new Float32Array(O.length),L.matricesIndices.set(O)):"WEIGHT"===v?(L.matricesWeights=new Float32Array(O.length),L.matricesWeights.set(O)):"COLOR"===v&&(L.colors=new Float32Array(O.length),L.colors.set(O));if(g=r.accessors[y.indices])O=n.GLTFUtils.GetBufferFromAccessor(r,g),L.indices=new Int32Array(O.length),L.indices.set(O),E.push(L.indices.length);else{for(var x=[],_=0;_<L.positions.length/3;_++)x.push(_);L.indices=new Int32Array(x),E.push(L.indices.length)}u.merge(L),L=void 0;var B=r.scene.getMaterialByID(y.material);s.subMaterials.push(null===B?n.GLTFUtils.GetDefaultMaterial(r.scene):B),f.push(0===f.length?0:f[f.length-1]+d[d.length-2]),m.push(0===m.length?0:m[m.length-1]+E[E.length-2])}}l.setAllVerticesData(u,!1),a.computeWorldMatrix(!0),a.subMeshes=[];for(var R=0,T=0;T<i.length;T++){var A=i[T],p=r.meshes[A];if(p)for(var h=0;h<p.primitives.length;h++){p.primitives[h].mode;new e.SubMesh(R,f[R],d[R],m[R],E[R],a,a,!0);R++}}return a},g=function(e,n,r,t){e.position&&(e.position=n),(e.rotationQuaternion||e.rotation)&&(e.rotationQuaternion=r),e.scaling&&(e.scaling=t)},O=function(n,r,t){if(r.matrix){var i=new e.Vector3(0,0,0),o=new e.Quaternion,a=new e.Vector3(0,0,0);e.Matrix.FromArray(r.matrix).decompose(a,o,i),g(n,i,o,a)}else g(n,e.Vector3.FromArray(r.translation),e.Quaternion.FromArray(r.rotation),e.Vector3.FromArray(r.scale));n.computeWorldMatrix(!0)},v=function(n,r,t,i){var o=null;if(n.importOnlyMeshes&&(r.skin||r.meshes)&&n.importMeshesNames.length>0&&-1===n.importMeshesNames.indexOf(r.name))return null;if(r.skin){if(r.meshes){var a=n.skins[r.skin],s=N(n,r,r.meshes,t,r.babylonNode);s.skeleton=n.scene.getLastSkeletonByID(r.skin),null===s.skeleton&&(s.skeleton=y(n,a,0,a.babylonSkeleton,r.skin),a.babylonSkeleton||(a.babylonSkeleton=s.skeleton)),o=s}}else if(r.meshes){var s=N(n,r,r.mesh?[r.mesh]:r.meshes,t,r.babylonNode);o=s}else if(!r.light||r.babylonNode||n.importOnlyMeshes){if(r.camera&&!r.babylonNode&&!n.importOnlyMeshes){var u=n.cameras[r.camera];if(u)if("orthographic"===u.type){var l=(u[u.type],new e.FreeCamera(r.camera,e.Vector3.Zero(),n.scene));l.name=r.name,l.mode=e.Camera.ORTHOGRAPHIC_CAMERA,l.attachControl(n.scene.getEngine().getRenderingCanvas()),o=l}else if("perspective"===u.type){var f=u[u.type],c=new e.FreeCamera(r.camera,e.Vector3.Zero(),n.scene);c.name=r.name,c.attachControl(n.scene.getEngine().getRenderingCanvas()),f.aspectRatio||(f.aspectRatio=n.scene.getEngine().getRenderWidth()/n.scene.getEngine().getRenderHeight()),f.znear&&f.zfar&&(c.maxZ=f.zfar,c.minZ=f.znear),o=c}}}else{var d=n.lights[r.light];if(d)if("ambient"===d.type){var m=d[d.type],E=new e.HemisphericLight(r.light,e.Vector3.Zero(),n.scene);E.name=r.name,m.color&&(E.diffuse=e.Color3.FromArray(m.color)),o=E}else if("directional"===d.type){var T=d[d.type],A=new e.DirectionalLight(r.light,e.Vector3.Zero(),n.scene);A.name=r.name,T.color&&(A.diffuse=e.Color3.FromArray(T.color)),o=A}else if("point"===d.type){var p=d[d.type],h=new e.PointLight(r.light,e.Vector3.Zero(),n.scene);h.name=r.name,p.color&&(h.diffuse=e.Color3.FromArray(p.color)),o=h}else if("spot"===d.type){var L=d[d.type],v=new e.SpotLight(r.light,e.Vector3.Zero(),e.Vector3.Zero(),0,0,n.scene);v.name=r.name,L.color&&(v.diffuse=e.Color3.FromArray(L.color)),L.fallOfAngle&&(v.angle=L.fallOfAngle),L.fallOffExponent&&(v.exponent=L.fallOffExponent),o=v}}if(!r.jointName){if(r.babylonNode)return r.babylonNode;if(null===o){var _=new e.Mesh(r.name,n.scene);r.babylonNode=_,o=_}}if(null!==o){if(r.matrix&&o instanceof e.Mesh)O(o,r);else{var S=r.translation||[0,0,0],F=r.rotation||[0,0,0,1],M=r.scale||[1,1,1];g(o,e.Vector3.FromArray(S),e.Quaternion.FromArray(F),e.Vector3.FromArray(M))}o.updateCache(!0),r.babylonNode=o}return o},_=function(e,n,r,t){var i=e.nodes[n],o=null;if(t=!(e.importOnlyMeshes&&!t)||(-1!==e.importMeshesNames.indexOf(i.name)||0===e.importMeshesNames.length),!i.jointName&&t&&null!==(o=v(e,i,n))&&(o.id=n,o.parent=r),i.children)for(var a=0;a<i.children.length;a++)_(e,i.children[a],o,t)},S=function(e){var n=e.currentScene;if(n)for(var r=0;r<n.nodes.length;r++)_(e,n.nodes[r],null);else for(var t in e.scenes){n=e.scenes[t];for(var r=0;r<n.nodes.length;r++)_(e,n.nodes[r],null)}m(e);for(var r=0;r<e.scene.skeletons.length;r++){var i=e.scene.skeletons[r];e.scene.beginAnimation(i,0,Number.MAX_VALUE,!0,1)}},F=function(e,r,t,i,o,a,s){var u=a.values||o.parameters;for(var l in t){var f=t[l],c=f.type;if(c===n.EParameterType.FLOAT_MAT2||c===n.EParameterType.FLOAT_MAT3||c===n.EParameterType.FLOAT_MAT4)if(!f.semantic||f.source||f.node){if(f.semantic&&(f.source||f.node)){var d=r.scene.getNodeByName(f.source||f.node);if(null===d&&(d=r.scene.getNodeByID(f.source||f.node)),null===d)continue;n.GLTFUtils.SetMatrix(r.scene,d,f,l,i.getEffect())}}else n.GLTFUtils.SetMatrix(r.scene,e,f,l,i.getEffect());else{var m=u[o.uniforms[l]];if(!m)continue;if(c===n.EParameterType.SAMPLER_2D){var E=r.textures[a.values?m:f.value].babylonTexture;if(null===E||void 0===E)continue;i.getEffect().setTexture(l,E)}else n.GLTFUtils.SetUniform(i.getEffect(),l,m,c)}}s(i)},M=function(e,r,t,i,o){var a=i.values||t.parameters,s=t.uniforms;for(var u in o){var l=o[u],f=l.type,c=a[s[u]];if(void 0===c&&(c=l.value),c){var d=function(e){return function(n){l.value&&(r.setTexture(e,n),delete o[e])}};f===n.EParameterType.SAMPLER_2D?n.GLTFLoaderExtension.LoadTextureAsync(e,i.values?c:l.value,d(u),(function(){return d(null)})):l.value&&n.GLTFUtils.SetUniform(r,u,i.values?c:l.value,f)&&delete o[u]}}},x=function(e,n,r){return function(t,i){n.dispose(!0),r("Cannot compile program named "+e.name+". Error: "+i+". 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e.extensions&&f(e.extensions,"extensions",t),e.extensionsUsed&&f(e.extensionsUsed,"extensionsUsed",t),e.buffers&&u(e.buffers,t),e.bufferViews&&f(e.bufferViews,"bufferViews",t),e.accessors&&f(e.accessors,"accessors",t),e.meshes&&f(e.meshes,"meshes",t),e.lights&&f(e.lights,"lights",t),e.cameras&&f(e.cameras,"cameras",t),e.nodes&&f(e.nodes,"nodes",t),e.images&&f(e.images,"images",t),e.textures&&f(e.textures,"textures",t),e.shaders&&l(e.shaders,t),e.programs&&f(e.programs,"programs",t),e.samplers&&f(e.samplers,"samplers",t),e.techniques&&f(e.techniques,"techniques",t),e.materials&&f(e.materials,"materials",t),e.animations&&f(e.animations,"animations",t),e.skins&&f(e.skins,"skins",t),e.scenes&&(t.scenes=e.scenes),e.scene&&e.scenes&&(t.currentScene=e.scenes[e.scene]),t},a.LoadBufferAsync=function(r,t,i,o,a){var s=r.buffers[t];n.GLTFUtils.IsBase64(s.uri)?setTimeout((function(){return i(new Uint8Array(n.GLTFUtils.DecodeBase64(s.uri)))})):e.Tools.LoadFile(r.rootUrl+s.uri,(function(e){return 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e.Texture(d,r.scene,!l,!0,f,m,m);E.wrapU=n.GLTFUtils.GetWrapMode(u.wrapS),E.wrapV=n.GLTFUtils.GetWrapMode(u.wrapT),E.name=t,s.babylonTexture=E,o(E)},a.LoadShaderStringAsync=function(r,t,i,o){var a=r.shaders[t];if(n.GLTFUtils.IsBase64(a.uri)){i(atob(a.uri.split(",")[1]))}else e.Tools.LoadFile(r.rootUrl+a.uri,i,null,null,!1,(function(e){o(e.status+" "+e.statusText)}))},a.LoadMaterialAsync=function(a,s,u,l){var f=a.materials[s],c=a.techniques[f.technique];if(!c){var m=new e.StandardMaterial(s,a.scene);return m.diffuseColor=new e.Color3(.5,.5,.5),m.sideOrientation=e.Material.CounterClockWiseSideOrientation,void u(m)}var E=a.programs[c.program],T=c.states,A=e.Effect.ShadersStore[E.vertexShader+"VertexShader"],p=e.Effect.ShadersStore[E.fragmentShader+"PixelShader"],h="",L="",y=new t(A),N=new t(p),g={},O=[],v=[],_=[];for(var S in c.uniforms){var F=c.uniforms[S],M=c.parameters[F];if(g[S]=M,!M.semantic||M.node||M.source)M.type===n.EParameterType.SAMPLER_2D?_.push(S):O.push(S);else{var I=i.indexOf(M.semantic);-1!==I?(O.push(o[I]),delete g[S]):O.push(S)}}for(var b in c.attributes){var C=c.attributes[b],P=c.parameters[C];P.semantic&&v.push(d(P))}for(;!y.isEnd()&&y.getNextToken();){var w=y.currentToken;if(w===r.IDENTIFIER){var V=!1;for(var b in c.attributes){var C=c.attributes[b],P=c.parameters[C];if(y.currentIdentifier===b&&P.semantic){h+=d(P),V=!0;break}}V||(h+=R(y,c,g))}else h+=y.currentString}for(;!N.isEnd()&&N.getNextToken();){var w=N.currentToken;w===r.IDENTIFIER?L+=R(N,c,g):L+=N.currentString}var G={vertex:E.vertexShader+s,fragment:E.fragmentShader+s},U={attributes:v,uniforms:O,samplers:_,needAlphaBlending:T&&T.enable&&-1!==T.enable.indexOf(3042)};e.Effect.ShadersStore[E.vertexShader+s+"VertexShader"]=h,e.Effect.ShadersStore[E.fragmentShader+s+"PixelShader"]=L;var D=new e.ShaderMaterial(s,a.scene,G,U);if(D.onError=x(E,D,l),D.onCompiled=B(a,D,c,f,g,u),D.sideOrientation=e.Material.CounterClockWiseSideOrientation,T&&T.functions){var k=T.functions;k.cullFace&&k.cullFace[0]!==n.ECullingType.BACK&&(D.backFaceCulling=!1);var H=k.blendFuncSeparate;H&&(H[0]===n.EBlendingFunction.SRC_ALPHA&&H[1]===n.EBlendingFunction.ONE_MINUS_SRC_ALPHA&&H[2]===n.EBlendingFunction.ONE&&H[3]===n.EBlendingFunction.ONE?D.alphaMode=e.Engine.ALPHA_COMBINE:H[0]===n.EBlendingFunction.ONE&&H[1]===n.EBlendingFunction.ONE&&H[2]===n.EBlendingFunction.ZERO&&H[3]===n.EBlendingFunction.ONE?D.alphaMode=e.Engine.ALPHA_ONEONE:H[0]===n.EBlendingFunction.SRC_ALPHA&&H[1]===n.EBlendingFunction.ONE&&H[2]===n.EBlendingFunction.ZERO&&H[3]===n.EBlendingFunction.ONE?D.alphaMode=e.Engine.ALPHA_ADD:H[0]===n.EBlendingFunction.ZERO&&H[1]===n.EBlendingFunction.ONE_MINUS_SRC_COLOR&&H[2]===n.EBlendingFunction.ONE&&H[3]===n.EBlendingFunction.ONE?D.alphaMode=e.Engine.ALPHA_SUBTRACT:H[0]===n.EBlendingFunction.DST_COLOR&&H[1]===n.EBlendingFunction.ZERO&&H[2]===n.EBlendingFunction.ONE&&H[3]===n.EBlendingFunction.ONE?D.alphaMode=e.Engine.ALPHA_MULTIPLY:H[0]===n.EBlendingFunction.SRC_ALPHA&&H[1]===n.EBlendingFunction.ONE_MINUS_SRC_COLOR&&H[2]===n.EBlendingFunction.ONE&&H[3]===n.EBlendingFunction.ONE&&(D.alphaMode=e.Engine.ALPHA_MAXIMIZED))}},a})();n.GLTFLoaderBase=b;var C=(function(){function r(){}return r.RegisterExtension=function(n){if(r.Extensions[n.name])return void e.Tools.Error('Tool with the same name "'+n.name+'" already exists');r.Extensions[n.name]=n},r.prototype.importMeshAsync=function(r,t,i,o,a,s,u){var l=this;t.useRightHandedSystem=!0;n.GLTFLoaderExtension.LoadRuntimeAsync(t,i,o,(function(n){n.importOnlyMeshes=!0,""===r?n.importMeshesNames=[]:"string"==typeof r?n.importMeshesNames=[r]:!r||r instanceof Array?(n.importMeshesNames=[],e.Tools.Warn("Argument meshesNames must be of type string or string[]")):n.importMeshesNames=[r],l._createNodes(n);var t=[],i=[];for(var o in n.nodes){var u=n.nodes[o];u.babylonNode instanceof e.AbstractMesh&&t.push(u.babylonNode)}for(var f in n.skins){var c=n.skins[f];c.babylonSkeleton instanceof e.Skeleton&&i.push(c.babylonSkeleton)}l._loadBuffersAsync(n,(function(){l._loadShadersAsync(n,(function(){I(n),S(n),!e.GLTFFileLoader.IncrementalLoading&&a&&a(t,null,i)}))}),s),e.GLTFFileLoader.IncrementalLoading&&a&&a(t,null,i)}),u);return!0},r.prototype.loadAsync=function(r,t,i,o,a,s){var u=this;r.useRightHandedSystem=!0,n.GLTFLoaderExtension.LoadRuntimeAsync(r,t,i,(function(r){n.GLTFLoaderExtension.LoadRuntimeExtensionsAsync(r,(function(){u._createNodes(r),u._loadBuffersAsync(r,(function(){u._loadShadersAsync(r,(function(){I(r),S(r),e.GLTFFileLoader.IncrementalLoading||o()}))})),e.GLTFFileLoader.IncrementalLoading&&o()}),s)}),s)},r.prototype._loadShadersAsync=function(r,t){var i=!1,o=function(i,o){n.GLTFLoaderExtension.LoadShaderStringAsync(r,i,(function(a){r.loadedShaderCount++,a&&(e.Effect.ShadersStore[i+(o.type===n.EShaderType.VERTEX?"VertexShader":"PixelShader")]=a),r.loadedShaderCount===r.shaderscount&&t()}),(function(){e.Tools.Error("Error when loading shader program named "+i+" located at "+o.uri)}))};for(var a in r.shaders){i=!0;var s=r.shaders[a];s?o.bind(this,a,s)():e.Tools.Error("No shader named: "+a)}i||t()},r.prototype._loadBuffersAsync=function(r,t,i){var o=!1,a=function(i,o){n.GLTFLoaderExtension.LoadBufferAsync(r,i,(function(n){r.loadedBufferCount++,n&&(n.byteLength!=r.buffers[i].byteLength&&e.Tools.Error("Buffer named "+i+" is length "+n.byteLength+". Expected: "+o.byteLength),r.loadedBufferViews[i]=n),r.loadedBufferCount===r.buffersCount&&t()}),(function(){e.Tools.Error("Error when loading buffer named "+i+" located at "+o.uri)}))};for(var s in r.buffers){o=!0;var u=r.buffers[s];u?a.bind(this,s,u)():e.Tools.Error("No buffer named: "+s)}o||t()},r.prototype._createNodes=function(e){var n=e.currentScene;if(n)for(var r=0;r<n.nodes.length;r++)_(e,n.nodes[r],null);else for(var t in e.scenes){n=e.scenes[t];for(var r=0;r<n.nodes.length;r++)_(e,n.nodes[r],null)}},r.Extensions={},r})();n.GLTFLoader=C,e.GLTFFileLoader.CreateGLTFLoaderV1=function(){return new C}})(e.GLTF1||(e.GLTF1={}))})(BABYLON||(BABYLON={}));var BABYLON;!(function(e){!(function(n){var r=(function(){function r(){}return r.SetMatrix=function(r,t,i,o,a){var s=null;switch("MODEL"===i.semantic?s=t.getWorldMatrix():"PROJECTION"===i.semantic?s=r.getProjectionMatrix():"VIEW"===i.semantic?s=r.getViewMatrix():"MODELVIEWINVERSETRANSPOSE"===i.semantic?s=e.Matrix.Transpose(t.getWorldMatrix().multiply(r.getViewMatrix()).invert()):"MODELVIEW"===i.semantic?s=t.getWorldMatrix().multiply(r.getViewMatrix()):"MODELVIEWPROJECTION"===i.semantic?s=t.getWorldMatrix().multiply(r.getTransformMatrix()):"MODELINVERSE"===i.semantic?s=t.getWorldMatrix().invert():"VIEWINVERSE"===i.semantic?s=r.getViewMatrix().invert():"PROJECTIONINVERSE"===i.semantic?s=r.getProjectionMatrix().invert():"MODELVIEWINVERSE"===i.semantic?s=t.getWorldMatrix().multiply(r.getViewMatrix()).invert():"MODELVIEWPROJECTIONINVERSE"===i.semantic?s=t.getWorldMatrix().multiply(r.getTransformMatrix()).invert():"MODELINVERSETRANSPOSE"===i.semantic&&(s=e.Matrix.Transpose(t.getWorldMatrix().invert())),i.type){case n.EParameterType.FLOAT_MAT2:a.setMatrix2x2(o,e.Matrix.GetAsMatrix2x2(s));break;case n.EParameterType.FLOAT_MAT3:a.setMatrix3x3(o,e.Matrix.GetAsMatrix3x3(s));break;case n.EParameterType.FLOAT_MAT4:a.setMatrix(o,s)}},r.SetUniform=function(r,t,i,o){switch(o){case n.EParameterType.FLOAT:return r.setFloat(t,i),!0;case n.EParameterType.FLOAT_VEC2:return r.setVector2(t,e.Vector2.FromArray(i)),!0;case n.EParameterType.FLOAT_VEC3:return r.setVector3(t,e.Vector3.FromArray(i)),!0;case n.EParameterType.FLOAT_VEC4:return r.setVector4(t,e.Vector4.FromArray(i)),!0;default:return!1}},r.IsBase64=function(e){return!(e.length<5)&&"data:"===e.substr(0,5)},r.DecodeBase64=function(e){for(var n=atob(e.split(",")[1]),r=n.length,t=new Uint8Array(new ArrayBuffer(r)),i=0;i<r;i++)t[i]=n.charCodeAt(i);return t.buffer},r.GetWrapMode=function(r){switch(r){case n.ETextureWrapMode.CLAMP_TO_EDGE:return e.Texture.CLAMP_ADDRESSMODE;case n.ETextureWrapMode.MIRRORED_REPEAT:return e.Texture.MIRROR_ADDRESSMODE;case n.ETextureWrapMode.REPEAT:default:return e.Texture.WRAP_ADDRESSMODE}},r.GetByteStrideFromType=function(e){switch(e.type){case"VEC2":return 2;case"VEC3":return 3;case"VEC4":case"MAT2":return 4;case"MAT3":return 9;case"MAT4":return 16;default:return 1}},r.GetTextureFilterMode=function(r){switch(r){case n.ETextureFilterType.LINEAR:case n.ETextureFilterType.LINEAR_MIPMAP_NEAREST:case n.ETextureFilterType.LINEAR_MIPMAP_LINEAR:return e.Texture.TRILINEAR_SAMPLINGMODE;case n.ETextureFilterType.NEAREST:case n.ETextureFilterType.NEAREST_MIPMAP_NEAREST:return e.Texture.NEAREST_SAMPLINGMODE;default:return e.Texture.BILINEAR_SAMPLINGMODE}},r.GetBufferFromBufferView=function(e,r,t,i,o){var t=r.byteOffset+t,a=e.loadedBufferViews[r.buffer];if(t+i>a.byteLength)throw new Error("Buffer access is out of range");var s=a.buffer;switch(t+=a.byteOffset,o){case n.EComponentType.BYTE:return new Int8Array(s,t,i);case n.EComponentType.UNSIGNED_BYTE:return new Uint8Array(s,t,i);case n.EComponentType.SHORT:return new Int16Array(s,t,i);case n.EComponentType.UNSIGNED_SHORT:return new Uint16Array(s,t,i);default:return new Float32Array(s,t,i)}},r.GetBufferFromAccessor=function(e,n){var t=e.bufferViews[n.bufferView],i=n.count*r.GetByteStrideFromType(n);return r.GetBufferFromBufferView(e,t,n.byteOffset,i,n.componentType)},r.DecodeBufferToText=function(e){for(var n="",r=e.byteLength,t=0;t<r;++t)n+=String.fromCharCode(e[t]);return n},r.GetDefaultMaterial=function(n){if(!r._DefaultMaterial){e.Effect.ShadersStore.GLTFDefaultMaterialVertexShader=["precision highp float;","","uniform mat4 worldView;","uniform mat4 projection;","","attribute vec3 position;","","void main(void)","{","    gl_Position = projection * worldView * vec4(position, 1.0);","}"].join("\n"),e.Effect.ShadersStore.GLTFDefaultMaterialPixelShader=["precision highp float;","","uniform vec4 u_emission;","","void main(void)","{","    gl_FragColor = u_emission;","}"].join("\n");var t={vertex:"GLTFDefaultMaterial",fragment:"GLTFDefaultMaterial"},i={attributes:["position"],uniforms:["worldView","projection","u_emission"],samplers:[],needAlphaBlending:!1};r._DefaultMaterial=new e.ShaderMaterial("GLTFDefaultMaterial",n,t,i),
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