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@gltf-transform/core

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@gltf-transform/core - npm Package Compare versions

Comparing version 0.4.2 to 0.5.0

4

dist/core.d.ts
export { Document, Transform } from './document';
export { Extension } from './extension';
export { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, ExtensionProperty, Property, Material, Mesh, Node, Primitive, PrimitiveTarget, Root, Scene, Skin, Texture, TextureInfo, TextureLink, TextureSampler } from './properties';
export { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, ExtensionProperty, Property, Material, Mesh, Node, Primitive, PrimitiveTarget, Root, Scene, Skin, Texture, TextureInfo, TextureLink, TextureSampler, COPY_IDENTITY } from './properties';
export { Graph, GraphChild } from './graph/';
export { NodeIO, WebIO, ReaderContext, WriterContext } from './io/';
export { BufferUtils, FileUtils, ImageUtils, Logger, uuid } from './utils/';
export { PropertyType } from './constants';
export { PropertyType, vec2, vec3, vec4, mat3, mat4 } from './constants';

2

dist/core.js

@@ -1,2 +0,2 @@

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this.registerLink(i),i},n}(h),B=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.MATERIAL,n.D="OPAQUE",n.G=.5,n.F=!1,n.J=[1,1,1,1],n.$=[0,0,0],n.Y=1,n.q=1,n.H=1,n.K=1,n.baseColorTexture=null,n.emissiveTexture=null,n.normalTexture=null,n.occlusionTexture=null,n.metallicRoughnessTexture=null,n}i(n,t);var r=n.prototype;return r.getDoubleSided=function(){return this.F},r.setDoubleSided=function(t){return this.F=t,this},r.getAlphaMode=function(){return this.D},r.setAlphaMode=function(t){return this.D=t,this},r.getAlphaCutoff=function(){return this.G},r.setAlphaCutoff=function(t){return this.G=t,this},r.getBaseColorFactor=function(){return this.J},r.setBaseColorFactor=function(t){return this.J=t,this},r.getBaseColorTexture=function(){return this.baseColorTexture?this.baseColorTexture.getChild():null},r.getBaseColorTextureInfo=function(){return this.baseColorTexture?this.baseColorTexture.textureInfo:null},r.getBaseColorTextureSampler=function(){return this.baseColorTexture?this.baseColorTexture.sampler:null},r.setBaseColorTexture=function(t){return this.baseColorTexture=this.graph.linkTexture("baseColorTexture",this,t),this},r.getEmissiveFactor=function(){return this.$},r.setEmissiveFactor=function(t){return this.$=t,this},r.getEmissiveTexture=function(){return this.emissiveTexture?this.emissiveTexture.getChild():null},r.getEmissiveTextureInfo=function(){return this.emissiveTexture?this.emissiveTexture.textureInfo:null},r.getEmissiveTextureSampler=function(){return this.emissiveTexture?this.emissiveTexture.sampler:null},r.setEmissiveTexture=function(t){return this.emissiveTexture=this.graph.linkTexture("emissiveTexture",this,t),this},r.getNormalScale=function(){return this.Y},r.setNormalScale=function(t){return this.Y=t,this},r.getNormalTexture=function(){return this.normalTexture?this.normalTexture.getChild():null},r.getNormalTextureInfo=function(){return this.normalTexture?this.normalTexture.textureInfo:null},r.getNormalTextureSampler=function(){return this.normalTexture?this.normalTexture.sampler:null},r.setNormalTexture=function(t){return this.normalTexture=this.graph.linkTexture("normalTexture",this,t),this},r.getOcclusionStrength=function(){return this.q},r.setOcclusionStrength=function(t){return this.q=t,this},r.getOcclusionTexture=function(){return this.occlusionTexture?this.occlusionTexture.getChild():null},r.getOcclusionTextureInfo=function(){return this.occlusionTexture?this.occlusionTexture.textureInfo:null},r.getOcclusionTextureSampler=function(){return this.occlusionTexture?this.occlusionTexture.sampler:null},r.setOcclusionTexture=function(t){return this.occlusionTexture=this.graph.linkTexture("occlusionTexture",this,t),this},r.getRoughnessFactor=function(){return this.H},r.setRoughnessFactor=function(t){return this.H=t,this},r.getMetallicFactor=function(){return this.K},r.setMetallicFactor=function(t){return this.K=t,this},r.getMetallicRoughnessTexture=function(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.getChild():null},r.getMetallicRoughnessTextureInfo=function(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.textureInfo:null},r.getMetallicRoughnessTextureSampler=function(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.sampler:null},r.setMetallicRoughnessTexture=function(t){return this.metallicRoughnessTexture=this.graph.linkTexture("metallicRoughnessTexture",this,t),this},n}(v);s([f],B.prototype,"baseColorTexture",void 0),s([f],B.prototype,"emissiveTexture",void 0),s([f],B.prototype,"normalTexture",void 0),s([f],B.prototype,"occlusionTexture",void 0),s([f],B.prototype,"metallicRoughnessTexture",void 0);var P=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.MESH,n.W=[],n.primitives=[],n}i(n,t);var r=n.prototype;return r.addPrimitive=function(t){return this.addGraphChild(this.primitives,this.graph.link("primitive",this,t))},r.removePrimitive=function(t){return this.removeGraphChild(this.primitives,t)},r.listPrimitives=function(){return this.primitives.map(function(t){return t.getChild()})},r.getWeights=function(){return this.W},r.setWeights=function(t){return this.W=t,this},n}(v);s([c],P.prototype,"primitives",void 0);var V=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.PRIMITIVE,n.X=4,n.indices=null,n.attributes=[],n.targets=[],n.material=null,n}i(n,t);var r=n.prototype;return r.getIndices=function(){return this.indices?this.indices.getChild():null},r.setIndices=function(t){return this.indices=this.graph.linkIndex("index",this,t),this},r.getAttribute=function(t){var n=this.attributes.find(function(n){return n.semantic===t});return n?n.getChild():null},r.setAttribute=function(t,n){var r=this.getAttribute(t);if(r&&this.removeGraphChild(this.attributes,r),!n)return this;var i=this.graph.linkAttribute(t.toLowerCase(),this,n);return i.semantic=t,this.addGraphChild(this.attributes,i)},r.listAttributes=function(){return this.attributes.map(function(t){return t.getChild()})},r.listSemantics=function(){return this.attributes.map(function(t){return t.semantic})},r.getMaterial=function(){return this.material?this.material.getChild():null},r.setMaterial=function(t){return this.material=this.graph.link("material",this,t),this},r.getMode=function(){return this.X},r.setMode=function(t){return this.X=t,this},r.listTargets=function(){return this.targets.map(function(t){return t.getChild()})},r.addTarget=function(t){return this.addGraphChild(this.targets,this.graph.link("target",this,t)),this},r.removeTarget=function(t){return this.removeGraphChild(this.targets,t)},n}(a);s([f],V.prototype,"indices",void 0),s([c],V.prototype,"attributes",void 0),s([c],V.prototype,"targets",void 0),s([f],V.prototype,"material",void 0);var D=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.PRIMITIVE_TARGET,n.attributes=[],n}i(n,t);var r=n.prototype;return r.getAttribute=function(t){var n=this.attributes.find(function(n){return n.semantic===t});return n?n.getChild():null},r.setAttribute=function(t,n){var r=this.getAttribute(t);if(r&&this.removeGraphChild(this.attributes,r),!n)return this;var i=this.graph.linkAttribute(t.toLowerCase(),this,n);return i.semantic=t,this.addGraphChild(this.attributes,i)},r.listAttributes=function(){return this.attributes.map(function(t){return t.getChild()})},r.listSemantics=function(){return this.attributes.map(function(t){return t.semantic})},n}(a);s([c],D.prototype,"attributes",void 0);var G=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.NODE,n.Z=[0,0,0],n.tt=[0,0,0,1],n.nt=[1,1,1],n.W=[],n.camera=null,n.mesh=null,n.skin=null,n.children=[],n}i(n,t);var r=n.prototype;return r.getTranslation=function(){return this.Z},r.getRotation=function(){return this.tt},r.getScale=function(){return this.nt},r.setTranslation=function(t){return this.Z=t,this},r.setRotation=function(t){return this.tt=t,this},r.setScale=function(t){return this.nt=t,this},r.addChild=function(t){var n=this.graph.link("child",this,t);return this.addGraphChild(this.children,n)},r.removeChild=function(t){return this.removeGraphChild(this.children,t)},r.listChildren=function(){return this.children.map(function(t){return t.getChild()})},r.getMesh=function(){return this.mesh?this.mesh.getChild():null},r.setMesh=function(t){return this.mesh=this.graph.link("mesh",this,t),this},r.getCamera=function(){return this.camera?this.camera.getChild():null},r.setCamera=function(t){return this.camera=this.graph.link("camera",this,t),this},r.getSkin=function(){return this.skin?this.skin.getChild():null},r.setSkin=function(t){return this.skin=this.graph.link("skin",this,t),this},r.getWeights=function(){return this.W},r.setWeights=function(t){return this.W=t,this},n}(v);s([f],G.prototype,"camera",void 0),s([f],G.prototype,"mesh",void 0),s([f],G.prototype,"skin",void 0),s([c],G.prototype,"children",void 0);var F=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.ROOT,n.rt={generator:"glTF-Transform v0.4.2",version:"2.0"},n.it=new Set,n.scenes=[],n.nodes=[],n.cameras=[],n.skins=[],n.meshes=[],n.materials=[],n.textures=[],n.animations=[],n.accessors=[],n.buffers=[],n}i(n,t);var r=n.prototype;return r.getAsset=function(){return this.rt},r.listExtensionsUsed=function(){return Array.from(this.it)},r.listExtensionsRequired=function(){return this.listExtensionsUsed().filter(function(t){return t.isRequired()})},r.ut=function(t){if(this.it.has(t))throw new Error('Extension "'+t.extensionName+'" is already enabled.');return this.it.add(t),this},r.et=function(t){return this.it.delete(t),this},r.st=function(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))},r.listScenes=function(){return this.scenes.map(function(t){return t.getChild()})},r.ot=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},r.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},r.ht=function(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))},r.listCameras=function(){return this.cameras.map(function(t){return t.getChild()})},r.ft=function(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))},r.listSkins=function(){return this.skins.map(function(t){return t.getChild()})},r.ct=function(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))},r.listMeshes=function(){return this.meshes.map(function(t){return t.getChild()})},r.at=function(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))},r.listMaterials=function(){return this.materials.map(function(t){return t.getChild()})},r.vt=function(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))},r.listTextures=function(){return this.textures.map(function(t){return t.getChild()})},r.lt=function(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))},r.listAnimations=function(){return this.animations.map(function(t){return t.getChild()})},r.dt=function(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))},r.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},r.pt=function(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))},r.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},n}(a);s([c],F.prototype,"scenes",void 0),s([c],F.prototype,"nodes",void 0),s([c],F.prototype,"cameras",void 0),s([c],F.prototype,"skins",void 0),s([c],F.prototype,"meshes",void 0),s([c],F.prototype,"materials",void 0),s([c],F.prototype,"textures",void 0),s([c],F.prototype,"animations",void 0),s([c],F.prototype,"accessors",void 0),s([c],F.prototype,"buffers",void 0);var J=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.SCENE,n.nodes=[],n}i(n,t);var r=n.prototype;return r.addNode=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},r.removeNode=function(t){return this.removeGraphChild(this.nodes,t)},r.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},n}(v);s([c],J.prototype,"nodes",void 0);var z=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.SKIN,n.skeleton=null,n.inverseBindMatrices=null,n.joints=[],n}i(n,t);var r=n.prototype;return r.getSkeleton=function(){return this.skeleton?this.skeleton.getChild():null},r.setSkeleton=function(t){return this.skeleton=this.graph.link("skeleton",this,t),this},r.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},r.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this},r.addJoint=function(t){var n=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,n)},r.removeJoint=function(t){return this.removeGraphChild(this.joints,t)},r.listJoints=function(){return this.joints.map(function(t){return t.getChild()})},n}(v);s([f],z.prototype,"skeleton",void 0),s([f],z.prototype,"inverseBindMatrices",void 0),s([c],z.prototype,"joints",void 0);var $=function(){function t(){this.graph=new C,this.root=new F(this.graph),this.logger=new M(M.Verbosity.INFO)}var n=t.prototype;return n.getRoot=function(){return this.root},n.getGraph=function(){return this.graph},n.getLogger=function(){return this.logger},n.setLogger=function(t){return this.logger=t,this},n.clone=function(){throw new Error("Not implemented.")},n.transform=function(){for(var t,n=e([].slice.call(arguments));!(t=n()).done;){var r=t.value;r(this)}return this},n.createExtension=function(t){return this.getRoot().listExtensionsUsed().find(function(n){return n.extensionName===t.EXTENSION_NAME})||new t(this)},n.createScene=function(t){var n=new J(this.graph,t);return this.root.st(n),n},n.createNode=function(t){var n=new G(this.graph,t);return this.root.ot(n),n},n.createCamera=function(t){var n=new y(this.graph,t);return this.root.ht(n),n},n.createSkin=function(t){var n=new z(this.graph,t);return this.root.ft(n),n},n.createMesh=function(t){var n=new P(this.graph,t);return this.root.ct(n),n},n.createPrimitive=function(){return new V(this.graph)},n.createPrimitiveTarget=function(t){return new D(this.graph,t)},n.createMaterial=function(t){var n=new B(this.graph,t);return this.root.at(n),n},n.createTexture=function(t){var n=new I(this.graph,t);return this.root.vt(n),n},n.createAnimation=function(t){var n=new p(this.graph,t);return this.root.lt(n),n},n.createAnimationChannel=function(){return new w(this.graph)},n.createAnimationSampler=function(){return new A(this.graph)},n.createAccessor=function(t,n){void 0===n&&(n=null),n||(n=this.getRoot().listBuffers()[0]);var r=new l(this.graph,t).setBuffer(n);return this.root.dt(r),r},n.createBuffer=function(t){var n=new x(this.graph,t);return this.root.pt(n),n},t}(),Y=function(){function t(t){this.doc=t,this.wt=!1,this.At=new Set,t.getRoot().ut(this)}var n=t.prototype;return n.dispose=function(){this.doc.getRoot().et(this);for(var t,n=e(this.At);!(t=n()).done;)t.value.dispose()},n.isRequired=function(){return this.wt},n.setRequired=function(t){return this.wt=t,this},n.addExtensionProperty=function(t){return this.At.add(t),this},n.removeExtensionProperty=function(t){return this.At.delete(t),this},t}(),q=function(){function t(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}var n=t.prototype;return n.setTextureInfo=function(t,n){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)},n.setTextureSampler=function(t,n){var r=this.nativeDocument.json.textures[n.index];if(void 0!==r.sampler){var i=this.nativeDocument.json.samplers[r.sampler];void 0!==i.magFilter&&t.setMagFilter(i.magFilter),void 0!==i.minFilter&&t.setMinFilter(i.minFilter),void 0!==i.wrapS&&t.setWrapS(i.wrapS),void 0!==i.wrapT&&t.setWrapT(i.wrapT)}},t}(),H={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},K=function(){function t(){}return t.read=function(t,i){var u=t.json,s=new $;if("2.0"!==u.asset.version)throw new Error('Unsupported glTF version: 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r=s.createTexture(n.name);if(void 0!==n.bufferView){var i=u.bufferViews[n.bufferView],e=t.json.buffers[i.buffer],o=i.byteOffset||0,h=(e.uri?t.resources[e.uri]:t.resources["xt"]).slice(o,o+i.byteLength);r.setImage(h)}else void 0!==n.uri&&(r.setImage(t.resources[n.uri]),0!==n.uri.indexOf("__")&&r.setURI(n.uri));if(void 0!==n.mimeType)r.setMimeType(n.mimeType);else if(n.uri){var f=E.extension(n.uri);r.setMimeType(T.extensionToMimeType(f))}return r}),o.materials=(u.materials||[]).map(function(t){var n=s.createMaterial(t.name);void 0!==t.alphaMode&&n.setAlphaMode(t.alphaMode),void 0!==t.alphaCutoff&&n.setAlphaCutoff(t.alphaCutoff),void 0!==t.doubleSided&&n.setDoubleSided(t.doubleSided);var r=t.pbrMetallicRoughness||{};if(void 0!==r.baseColorFactor&&n.setBaseColorFactor(r.baseColorFactor),void 0!==t.emissiveFactor&&n.setEmissiveFactor(t.emissiveFactor),void 0!==r.metallicFactor&&n.setMetallicFactor(r.metallicFactor),void 0!==r.roughnessFactor&&n.setRoughnessFactor(r.roughnessFactor),void 0!==r.baseColorTexture){var i=r.baseColorTexture;n.setBaseColorTexture(o.textures[h[i.index].source]),o.setTextureInfo(n.getBaseColorTextureInfo(),i),o.setTextureSampler(n.getBaseColorTextureSampler(),i)}if(void 0!==t.emissiveTexture){var u=t.emissiveTexture;n.setEmissiveTexture(o.textures[h[u.index].source]),o.setTextureInfo(n.getEmissiveTextureInfo(),u),o.setTextureSampler(n.getEmissiveTextureSampler(),u)}if(void 0!==t.normalTexture){var e=t.normalTexture;n.setNormalTexture(o.textures[h[e.index].source]),o.setTextureInfo(n.getNormalTextureInfo(),e),o.setTextureSampler(n.getNormalTextureSampler(),e),void 0!==t.normalTexture.scale&&n.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){var f=t.occlusionTexture;n.setOcclusionTexture(o.textures[h[f.index].source]),o.setTextureInfo(n.getOcclusionTextureInfo(),f),o.setTextureSampler(n.getOcclusionTextureSampler(),f),void 0!==t.occlusionTexture.strength&&n.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==r.metallicRoughnessTexture){var c=r.metallicRoughnessTexture;n.setMetallicRoughnessTexture(o.textures[h[c.index].source]),o.setTextureInfo(n.getMetallicRoughnessTextureInfo(),c),o.setTextureSampler(n.getMetallicRoughnessTextureSampler(),c)}return n}),o.meshes=(u.meshes||[]).map(function(t){var n=s.createMesh(t.name);return void 0!==t.weights&&n.setWeights(t.weights),t.primitives.forEach(function(r){var i=s.createPrimitive();void 0!==r.material&&i.setMaterial(o.materials[r.material]),void 0!==r.mode&&i.setMode(r.mode);for(var u=0,e=Object.entries(r.attributes||{});u<e.length;u++){var h=e[u];i.setAttribute(h[0],o.accessors[h[1]])}void 0!==r.indices&&i.setIndices(o.accessors[r.indices]);var f=t.extras&&t.extras.targetNames||[];(r.targets||[]).forEach(function(t,n){for(var r=f[n]||n.toString(),u=s.createPrimitiveTarget(r),e=0,h=Object.entries(t);e<h.length;e++){var c=h[e];u.setAttribute(c[0],o.accessors[c[1]])}i.addTarget(u)}),n.addPrimitive(i)}),n}),o.cameras=(u.cameras||[]).map(function(t){var n=s.createCamera(t.name).setType(t.type);return"perspective"===t.type?n.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):n.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),n});var f=u.nodes||[];o.nodes=f.map(function(t){var r=s.createNode(t.name);return void 0!==t.translation&&r.setTranslation(t.translation),void 0!==t.rotation&&r.setRotation(t.rotation),void 0!==t.scale&&r.setScale(t.scale),void 0!==t.matrix&&(r.setTranslation(n.getTranslation([],t.matrix)),r.setRotation(n.getRotation([],t.matrix)),r.setScale(n.getScaling([],t.matrix))),void 0!==t.weights&&r.setWeights(t.weights),r}),o.skins=(u.skins||[]).map(function(t){var n=s.createSkin(t.name);void 0!==t.inverseBindMatrices&&n.setInverseBindMatrices(o.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&n.setSkeleton(o.nodes[t.skeleton]);for(var r,i=e(t.joints);!(r=i()).done;)n.addJoint(o.nodes[r.value]);return n}),f.map(function(t,n){var r=o.nodes[n];(t.children||[]).forEach(function(t){return r.addChild(o.nodes[t])}),void 0!==t.mesh&&r.setMesh(o.meshes[t.mesh]),void 0!==t.camera&&r.setCamera(o.cameras[t.camera]),void 0!==t.skin&&r.setSkin(o.skins[t.skin])}),o.animations=(u.animations||[]).map(function(t){var n=s.createAnimation(t.name),r=(t.samplers||[]).map(function(t){var r=s.createAnimationSampler().setInput(o.accessors[t.input]).setOutput(o.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return n.addSampler(r),r});return(t.channels||[]).forEach(function(t){var i=s.createAnimationChannel().setSampler(r[t.sampler]).setTargetNode(o.nodes[t.target.node]).setTargetPath(t.target.path);n.addChannel(i)}),n}),o.scenes=(u.scenes||[]).map(function(t){var n=s.createScene(t.name);return(t.nodes||[]).map(function(t){return o.nodes[t]}).forEach(function(t){return n.addNode(t)}),n});for(var c,a=u.extensionsUsed||[],v=u.extensionsRequired||[],d=e(i.extensions);!(c=d()).done;){var p=c.value;a.includes(p.EXTENSION_NAME)&&s.createExtension(p).setRequired(v.includes(p.EXTENSION_NAME)).read(o)}return s},t}();function Q(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["xt"],e=H[t.componentType],s=l.getElementSize(t.type);if(void 0!==r.byteStride&&r.byteStride!==s*e.BYTES_PER_ELEMENT)return function(t,n){for(var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["xt"],e=H[t.componentType],s=l.getElementSize(t.type),o=e.BYTES_PER_ELEMENT,h=t.byteOffset||0,f=new e(t.count*s),c=new DataView(u,r.byteOffset,r.byteLength),a=r.byteStride,v=0;v<t.count;v++)for(var d=0;d<s;d++){var p=h+v*a+d*o,w=void 0;switch(t.componentType){case 5126:w=c.getFloat32(p,!0);break;case 5125:w=c.getUint32(p,!0);break;case 5123:w=c.getUint16(p,!0);break;case 5121:w=c.getUint8(p);break;case 5122:w=c.getInt16(p,!0);break;case 5120:w=c.getInt8(p);break;default:throw new Error('Unexpected componentType "'+t.componentType+'".')}f[v*s+d]=w}return f}(t,n);var o=(r.byteOffset||0)+(t.byteOffset||0);switch(t.componentType){case 5126:return new Float32Array(u,o,t.count*s);case 5125:return new Uint32Array(u,o,t.count*s);case 5123:return new Uint16Array(u,o,t.count*s);case 5121:return new Uint8Array(u,o,t.count*s);case 5122:return new Int16Array(u,o,t.count*s);case 5120:return new Int8Array(u,o,t.count*s);default:throw new Error('Unexpected componentType "'+t.componentType+'".')}}var W=function(){function t(t,n){this.nativeDocument=t,this.options=n,this.accessorIndexMap=new Map,this.cameraIndexMap=new Map,this.skinIndexMap=new Map,this.materialIndexMap=new Map,this.meshIndexMap=new Map,this.nodeIndexMap=new Map,this.imageIndexMap=new Map,this.textureDefIndexMap=new Map,this.samplerDefIndexMap=new Map,this.imageData=[]}var n=t.prototype;return n.createTextureInfoDef=function(t,n,r){var i={magFilter:r.getMagFilter()||void 0,minFilter:r.getMinFilter()||void 0,wrapS:r.getWrapS(),wrapT:r.getWrapT()},u=JSON.stringify(i);this.samplerDefIndexMap.has(u)||(this.samplerDefIndexMap.set(u,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(i));var e={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(u)},s=JSON.stringify(e);return this.textureDefIndexMap.has(s)||(this.textureDefIndexMap.set(s,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(e)),{index:this.textureDefIndexMap.get(s),texCoord:n.getTexCoord()}},n.createPropertyDef=function(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),n},n.createAccessorDef=function(t){var n=this.createPropertyDef(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n},n.createImageData=function(t,n,r){if(this.options.isGLB)this.imageData.push(n),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:n.byteLength});else{var i=T.mimeTypeToExtension(r.getMimeType());t.uri=this.imageURIGenerator.createURI(r,i),this.nativeDocument.resources[t.uri]=n}},t}(),X=function(){function t(t,n){this.multiple=t,this.basename=n,this.counter=1}return t.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n},t}(),Z=function(){function t(){}return t.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},u=i.json;u.asset.generator="glTF-Transform v0.4.2";var s=new W(i,n),o=r.listBuffers().length,h=r.listTextures().length;function f(t,n,r,i){for(var o,h=[],f=0,c=e(t);!(o=c()).done;){var a=o.value,v=s.createAccessorDef(a);v.bufferView=u.bufferViews.length;var l=m.pad(a.getArray().buffer);v.byteOffset=f,f+=l.byteLength,h.push(l),s.accessorIndexMap.set(a,u.accessors.length),u.accessors.push(v)}var d={buffer:n,byteOffset:r,byteLength:m.concat(h).byteLength};return i&&(d.target=i),u.bufferViews.push(d),{buffers:h,byteLength:f}}function c(t,n,r){for(var i,o=t[0].getCount(),h=0,f=e(t);!(i=f()).done;){var c=i.value,a=s.createAccessorDef(c);a.bufferView=u.bufferViews.length,a.byteOffset=h;var v=c.getElementSize(),l=c.getComponentSize();h+=m.padNumber(v*l),s.accessorIndexMap.set(c,u.accessors.length),u.accessors.push(a)}for(var d=o*h,p=new ArrayBuffer(d),w=new DataView(p),A=0;A<o;A++)for(var x,y=0,b=e(t);!(x=b()).done;){for(var E=x.value,T=E.getElementSize(),g=E.getComponentSize(),M=E.getComponentType(),S=E.getArray(),R=0;R<T;R++){var N=A*h+y+R*g,U=S[A*T+R];switch(M){case 5126:w.setFloat32(N,U,!0);break;case 5120:w.setInt8(N,U);break;case 5122:w.setInt16(N,U,!0);break;case 5121:w.setUint8(N,U);break;case 5123:w.setUint16(N,U,!0);break;case 5125:w.setUint32(N,U,!0);break;default:throw new Error("Unexpected component type: "+M)}}y+=m.padNumber(T*g)}return u.bufferViews.push({buffer:n,byteOffset:r,byteLength:d,byteStride:h,target:34962}),{byteLength:d,buffers:[p]}}s.bufferURIGenerator=new X(o>1,n.basename),s.imageURIGenerator=new X(h>1,n.basename),s.logger=t.getLogger();for(var a,v=new Map,d=e(t.getGraph().getLinks());!(a=d()).done;){var p=a.value;if(p.getParent()!==r){var w=p.getChild();if(w instanceof l){var A=v.get(w)||[];A.push(p),v.set(w,A)}}}return u.accessors=[],u.bufferViews=[],u.samplers=[],u.textures=[],u.images=r.listTextures().map(function(t,n){var r=s.createPropertyDef(t);return t.getMimeType()&&(r.mimeType=t.getMimeType()),t.getImage()&&s.createImageData(r,t.getImage(),t),s.imageIndexMap.set(t,n),r}),u.buffers=[],r.listBuffers().forEach(function(t){for(var r,o=s.createPropertyDef(t),h=new Map,a=new Set,d=new Set,p=e(t.listParents().filter(function(t){return!(t instanceof F)}));!(r=p()).done;){var w=r.value;if(!(w instanceof l))throw new Error("Unimplemented buffer reference: "+w);for(var A,x=!1,y=!1,b=!1,E=v.get(w)||[],T=e(E);!(A=T()).done;){var g=A.value;g instanceof L?x=!0:g instanceof k?y=!0:b=!0}if(x||y||b||(b=!0),!x||y||b)if(!y||x||b){if(!b||x||y)throw new Error("Attribute or index accessors must be used only for that purpose.");d.add(w)}else a.add(w);else{var M=E[0].getParent(),S=h.get(M)||new Set;S.add(w),h.set(M,S)}}var R,N=[],U=u.buffers.length,I=0;if(a.size){var _=f(Array.from(a),U,I,34963);I+=_.byteLength,N.push.apply(N,_.buffers)}for(var O=0,j=Array.from(h.values());O<j.length;O++){var C=j[O];if(C.size){var B=c(Array.from(C),U,I);I+=B.byteLength,N.push.apply(N,B.buffers)}}if(d.size){var P=f(Array.from(d),U,I);I+=P.byteLength,N.push.apply(N,P.buffers)}if(s.imageData.length)for(var V=0;V<s.imageData.length;V++)u.bufferViews[u.images[V].bufferView].byteOffset=I,I+=s.imageData[V].byteLength,N.push(s.imageData[V]);I?(n.isGLB?R="__glb.bin":(R=s.bufferURIGenerator.createURI(t,"bin"),o.uri=R),o.byteLength=I,i.resources[R]=m.concat(N),u.buffers.push(o)):s.logger.warn('@gltf-transform/core: Skipping empty buffer, "'+t.getName()+'".')}),u.materials=r.listMaterials().map(function(t,n){var r=s.createPropertyDef(t);if(r.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(r.alphaCutoff=t.getAlphaCutoff()),r.doubleSided=t.getDoubleSided(),r.pbrMetallicRoughness={},r.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),r.emissiveFactor=t.getEmissiveFactor(),r.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),r.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){var i=t.getBaseColorTexture(),u=t.getBaseColorTextureInfo(),e=t.getBaseColorTextureSampler();r.pbrMetallicRoughness.baseColorTexture=s.createTextureInfoDef(i,u,e)}if(t.getEmissiveTexture()){var o=t.getEmissiveTexture(),h=t.getEmissiveTextureInfo(),f=t.getEmissiveTextureSampler();r.emissiveTexture=s.createTextureInfoDef(o,h,f)}if(t.getNormalTexture()){var c=t.getNormalTexture(),a=t.getNormalTextureInfo(),v=t.getNormalTextureSampler(),l=s.createTextureInfoDef(c,a,v);1!==t.getNormalScale()&&(l.scale=t.getNormalScale()),r.normalTexture=l}if(t.getOcclusionTexture()){var d=t.getOcclusionTexture(),p=t.getOcclusionTextureInfo(),w=t.getOcclusionTextureSampler(),A=s.createTextureInfoDef(d,p,w);1!==t.getOcclusionStrength()&&(A.strength=t.getOcclusionStrength()),r.occlusionTexture=A}if(t.getMetallicRoughnessTexture()){var x=t.getMetallicRoughnessTexture(),y=t.getMetallicRoughnessTextureInfo(),b=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=s.createTextureInfoDef(x,y,b)}return s.materialIndexMap.set(t,n),r}),u.meshes=r.listMeshes().map(function(t,n){var r,i=s.createPropertyDef(t);return i.primitives=t.listPrimitives().map(function(t){var n={attributes:{}};n.material=s.materialIndexMap.get(t.getMaterial()),n.mode=t.getMode(),t.getIndices()&&(n.indices=s.accessorIndexMap.get(t.getIndices()));for(var i,u=e(t.listSemantics());!(i=u()).done;){var o=i.value;n.attributes[o]=s.accessorIndexMap.get(t.getAttribute(o))}for(var h,f=e(t.listTargets());!(h=f()).done;){for(var c,a=h.value,v={},l=e(a.listSemantics());!(c=l()).done;){var d=c.value;v[d]=s.accessorIndexMap.get(a.getAttribute(d))}n.targets=n.targets||[],n.targets.push(v)}return t.listTargets().length&&!r&&(r=t.listTargets().map(function(t){return t.getName()})),n}),t.getWeights().length&&(i.weights=t.getWeights()),r&&(i.extras=i.extras||{},i.extras.targetNames=r),s.meshIndexMap.set(t,n),i}),u.cameras=r.listCameras().map(function(t,n){var r=s.createPropertyDef(t);return r.type=t.getType(),"perspective"===r.type?r.perspective={znear:t.getZNear(),zfar:t.getZFar(),yfov:t.getYFov(),aspectRatio:t.getAspectRatio()}:r.orthographic={znear:t.getZNear(),zfar:t.getZFar(),xmag:t.getXMag(),ymag:t.getYMag()},s.cameraIndexMap.set(t,n),r}),u.nodes=r.listNodes().map(function(t,n){var r=s.createPropertyDef(t);return r.translation=t.getTranslation(),r.rotation=t.getRotation(),r.scale=t.getScale(),t.getWeights().length&&(r.weights=t.getWeights()),s.nodeIndexMap.set(t,n),r}),u.skins=r.listSkins().map(function(t,n){var r=s.createPropertyDef(t);return t.getInverseBindMatrices()&&(r.inverseBindMatrices=s.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(r.skeleton=s.nodeIndexMap.get(t.getSkeleton())),r.joints=t.listJoints().map(function(t){return s.nodeIndexMap.get(t)}),s.skinIndexMap.set(t,n),r}),r.listNodes().forEach(function(t,n){var r=u.nodes[n];t.getMesh()&&(r.mesh=s.meshIndexMap.get(t.getMesh())),t.getCamera()&&(r.camera=s.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(r.skin=s.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(r.children=t.listChildren().map(function(t){return s.nodeIndexMap.get(t)}))}),u.animations=r.listAnimations().map(function(t){var n=s.createPropertyDef(t),r=new Map;return n.samplers=t.listSamplers().map(function(t,n){var i=s.createPropertyDef(t);return i.input=s.accessorIndexMap.get(t.getInput()),i.output=s.accessorIndexMap.get(t.getOutput()),i.interpolation=t.getInterpolation(),r.set(t,n),i}),n.channels=t.listChannels().map(function(t){var n=s.createPropertyDef(t);return n.sampler=r.get(t.getSampler()),n.target={node:s.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},n}),n}),u.scenes=r.listScenes().map(function(t){var n=s.createPropertyDef(t);return n.nodes=t.listNodes().map(function(t){return s.nodeIndexMap.get(t)}),n}),u.extensionsUsed=r.listExtensionsUsed().map(function(t){return t.extensionName}),u.extensionsRequired=r.listExtensionsRequired().map(function(t){return t.extensionName}),r.listExtensionsUsed().forEach(function(t){return t.write(s)}),function(t){var n=[];for(var r in t){var i=t[r];Array.isArray(i)&&0===i.length?n.push(r):null!==i&&""!==i||n.push(i)}for(var u=0,e=n;u<e.length;u++)delete t[e[u]]}(u),i},t}(),tt=function(){function t(){this.it=[]}var n=t.prototype;return n.registerExtensions=function(t){var n;return(n=this.it).push.apply(n,t),this},n.createDocument=function(t){return K.read(t,{extensions:this.it})},n.createNativeDocument=function(t,n){if(n.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return Z.write(t,n)},n.unpackGLB=function(t){var n,r=new Uint32Array(t,0,3);if(1179937895!==r[0])throw new Error("Invalid glTF asset.");if(2!==r[1])throw new Error('Unsupported glTF binary version, "'+r[1]+'".');var i=new Uint32Array(t,12,2),u=i[0],e=new Uint32Array(t,20+u,2);if(1313821514!==i[1]||5130562!==e[1])throw new Error("Unexpected GLB layout.");var s=m.decodeText(t.slice(20,20+u)),o=JSON.parse(s),h=20+u+8,f=t.slice(h,h+e[0]);return this.createDocument({json:o,resources:(n={},n["xt"]=f,n)})},n.packGLB=function(t){var n=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=n.resources,i=JSON.stringify(n.json),u=m.pad(m.encodeText(i),32),e=new Uint32Array([u.byteLength,1313821514]).buffer,s=m.concat([e,u]),o=m.pad(Object.values(r)[0]||new ArrayBuffer(0),0),h=new Uint32Array([o.byteLength,5130562]).buffer,f=m.concat([h,o]),c=new Uint32Array([1179937895,2,12+s.byteLength+f.byteLength]).buffer;return m.concat([c,s,f])},t}(),nt=function(t){function n(n,r){var i;return(i=t.call(this)||this).fs=n,i.path=r,i}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.write=function(t,n){t.match(/\.glb$/)?this.writeGLB(t,n):this.writeGLTF(t,n)},r.readGLB=function(t){var n=this.fs.readFileSync(t),r=m.trim(n);return this.unpackGLB(r)},r.readGLTF=function(t){var n=this,r=this.path.dirname(t),i={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[].concat(i.json.images||[],i.json.buffers||[]).forEach(function(t){if(t.uri&&!t.uri.match(/data:/)){var u=n.path.resolve(r,t.uri);i.resources[t.uri]=m.trim(n.fs.readFileSync(u))}else{var e="__"+U()+"."+E.extension(t.uri);i.resources[e]=m.createBufferFromDataURI(t.uri),t.uri=e}}),K.read(i,{extensions:this.it})},r.writeGLTF=function(t,n){var r={basename:E.basename(t),isGLB:!1},i=Z.write(n,r),u=i.json,e=i.resources,s=this.fs,o=this.path,h=o.dirname(t);s.writeFileSync(t,JSON.stringify(u,null,2)),Object.keys(e).forEach(function(t){var n=Buffer.from(e[t]);s.writeFileSync(o.join(h,t),n)})},r.writeGLB=function(t,n){var r=Buffer.from(this.packGLB(n));this.fs.writeFileSync(t,r)},n}(tt),rt=function(t){function n(n){var r;return(r=t.call(this)||this).fetchConfig=n,r}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.readGLTF=function(t){var n=this,r={json:{},resources:{}};return fetch(t,this.fetchConfig).then(function(t){return t.json()}).then(function(t){r.json=t;var i=[].concat(t.images,t.buffers).map(function(t){if(t.uri)return fetch(t.uri,n.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(n){r.resources[t.uri]=n})});return Promise.all(i).then(function(){return n.createDocument(r)})})},r.readGLB=function(t){var n=this;return fetch(t,this.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(t){return n.unpackGLB(t)})},n}(tt);exports.Accessor=l,exports.Animation=p,exports.AnimationChannel=w,exports.AnimationSampler=A,exports.Buffer=x,exports.BufferUtils=m,exports.Camera=y,exports.Document=$,exports.Extension=Y,exports.ExtensionProperty=b,exports.FileUtils=E,exports.Graph=h,exports.GraphChild=f,exports.ImageUtils=T,exports.Logger=M,exports.Material=B,exports.Mesh=P,exports.Node=G,exports.NodeIO=nt,exports.Primitive=V,exports.PrimitiveTarget=D,exports.Property=a,exports.ReaderContext=q,exports.Root=F,exports.Scene=J,exports.Skin=z,exports.Texture=I,exports.TextureInfo=_,exports.TextureLink=j,exports.TextureSampler=O,exports.WebIO=rt,exports.WriterContext=W,exports.uuid=U;
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this.emissiveTexture?this.emissiveTexture.sampler:null},r.setEmissiveTexture=function(t){return this.emissiveTexture=this.graph.linkTexture("emissiveTexture",this,t),this},r.getNormalScale=function(){return this.q},r.setNormalScale=function(t){return this.q=t,this},r.getNormalTexture=function(){return this.normalTexture?this.normalTexture.getChild():null},r.getNormalTextureInfo=function(){return this.normalTexture?this.normalTexture.textureInfo:null},r.getNormalTextureSampler=function(){return this.normalTexture?this.normalTexture.sampler:null},r.setNormalTexture=function(t){return this.normalTexture=this.graph.linkTexture("normalTexture",this,t),this},r.getOcclusionStrength=function(){return this.Y},r.setOcclusionStrength=function(t){return this.Y=t,this},r.getOcclusionTexture=function(){return this.occlusionTexture?this.occlusionTexture.getChild():null},r.getOcclusionTextureInfo=function(){return 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this.metallicRoughnessTexture=this.graph.linkTexture("metallicRoughnessTexture",this,t),this},n}(l);s([f],P.prototype,"baseColorTexture",void 0),s([f],P.prototype,"emissiveTexture",void 0),s([f],P.prototype,"normalTexture",void 0),s([f],P.prototype,"occlusionTexture",void 0),s([f],P.prototype,"metallicRoughnessTexture",void 0);var V=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.MESH,n.W=[],n.primitives=[],n}i(n,t);var r=n.prototype;return r.copy=function(n,r){var i=this;return void 0===r&&(r=a),t.prototype.copy.call(this,n,r),this.W=[].concat(n.W),this.clearGraphChildList(this.primitives),n.primitives.forEach(function(t){return i.addPrimitive(r(t.getChild()))}),this},r.addPrimitive=function(t){return this.addGraphChild(this.primitives,this.graph.link("primitive",this,t))},r.removePrimitive=function(t){return this.removeGraphChild(this.primitives,t)},r.listPrimitives=function(){return this.primitives.map(function(t){return t.getChild()})},r.getWeights=function(){return this.W},r.setWeights=function(t){return this.W=t,this},n}(l);s([c],V.prototype,"primitives",void 0);var D=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.PRIMITIVE,n.X=4,n.material=null,n.indices=null,n.attributes=[],n.targets=[],n}i(n,t);var r=n.prototype;return r.copy=function(n,r){var i=this;return void 0===r&&(r=a),t.prototype.copy.call(this,n,r),this.X=n.X,n.indices&&this.setIndices(r(n.indices.getChild())),n.material&&this.setMaterial(r(n.material.getChild())),this.clearGraphChildList(this.attributes),n.listSemantics().forEach(function(t){i.setAttribute(t,r(n.getAttribute(t)))}),this.clearGraphChildList(this.targets),n.targets.forEach(function(t){return i.addTarget(r(t.getChild()))}),this},r.getIndices=function(){return this.indices?this.indices.getChild():null},r.setIndices=function(t){return this.indices=this.graph.linkIndex("index",this,t),this},r.getAttribute=function(t){var n=this.attributes.find(function(n){return n.semantic===t});return n?n.getChild():null},r.setAttribute=function(t,n){var r=this.getAttribute(t);if(r&&this.removeGraphChild(this.attributes,r),!n)return this;var i=this.graph.linkAttribute(t.toLowerCase(),this,n);return i.semantic=t,this.addGraphChild(this.attributes,i)},r.listAttributes=function(){return this.attributes.map(function(t){return t.getChild()})},r.listSemantics=function(){return this.attributes.map(function(t){return t.semantic})},r.getMaterial=function(){return this.material?this.material.getChild():null},r.setMaterial=function(t){return this.material=this.graph.link("material",this,t),this},r.getMode=function(){return this.X},r.setMode=function(t){return this.X=t,this},r.listTargets=function(){return this.targets.map(function(t){return t.getChild()})},r.addTarget=function(t){return 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i.semantic=t,this.addGraphChild(this.attributes,i)},r.listAttributes=function(){return this.attributes.map(function(t){return t.getChild()})},r.listSemantics=function(){return this.attributes.map(function(t){return t.semantic})},n}(v);s([c],G.prototype,"attributes",void 0);var F=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.NODE,n.Z=[0,0,0],n.tt=[0,0,0,1],n.nt=[1,1,1],n.W=[],n.camera=null,n.mesh=null,n.skin=null,n.children=[],n}i(n,t);var r=n.prototype;return r.copy=function(n,r){var i=this;return void 0===r&&(r=a),t.prototype.copy.call(this,n,r),this.Z=[].concat(n.Z),this.tt=[].concat(n.tt),this.nt=[].concat(n.nt),this.W=[].concat(n.W),n.camera&&this.setCamera(r(n.camera.getChild())),n.mesh&&this.setMesh(r(n.mesh.getChild())),n.skin&&this.setSkin(r(n.skin.getChild())),this.clearGraphChildList(this.children),n.children.forEach(function(t){return i.addChild(r(t.getChild()))}),this},r.getTranslation=function(){return this.Z},r.getRotation=function(){return this.tt},r.getScale=function(){return this.nt},r.setTranslation=function(t){return this.Z=t,this},r.setRotation=function(t){return this.tt=t,this},r.setScale=function(t){return this.nt=t,this},r.addChild=function(t){var n=this.graph.link("child",this,t);return this.addGraphChild(this.children,n)},r.removeChild=function(t){return this.removeGraphChild(this.children,t)},r.listChildren=function(){return this.children.map(function(t){return t.getChild()})},r.getMesh=function(){return this.mesh?this.mesh.getChild():null},r.setMesh=function(t){return this.mesh=this.graph.link("mesh",this,t),this},r.getCamera=function(){return this.camera?this.camera.getChild():null},r.setCamera=function(t){return this.camera=this.graph.link("camera",this,t),this},r.getSkin=function(){return this.skin?this.skin.getChild():null},r.setSkin=function(t){return this.skin=this.graph.link("skin",this,t),this},r.getWeights=function(){return this.W},r.setWeights=function(t){return this.W=t,this},n}(l);s([f],F.prototype,"camera",void 0),s([f],F.prototype,"mesh",void 0),s([f],F.prototype,"skin",void 0),s([c],F.prototype,"children",void 0);var J=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.ROOT,n.rt={generator:"glTF-Transform v0.5.0",version:"2.0"},n.it=new Set,n.accessors=[],n.animations=[],n.buffers=[],n.cameras=[],n.materials=[],n.meshes=[],n.nodes=[],n.scenes=[],n.skins=[],n.textures=[],n}i(n,t);var r=n.prototype;return r.clone=function(){throw new Error("Root cannot be cloned.")},r.copy=function(n,r){var i=this;if(void 0===r&&(r=a),t.prototype.copy.call(this,n,r),!r)throw new Error("Root cannot be copied.");return Object.assign(this.rt,n.rt),n.accessors.forEach(function(t){return i.ut(r(t.getChild()))}),n.animations.forEach(function(t){return i.et(r(t.getChild()))}),n.buffers.forEach(function(t){return i.st(r(t.getChild()))}),n.cameras.forEach(function(t){return i.ot(r(t.getChild()))}),n.materials.forEach(function(t){return i.ht(r(t.getChild()))}),n.meshes.forEach(function(t){return i.ft(r(t.getChild()))}),n.nodes.forEach(function(t){return i.ct(r(t.getChild()))}),n.scenes.forEach(function(t){return i.at(r(t.getChild()))}),n.skins.forEach(function(t){return i.vt(r(t.getChild()))}),n.textures.forEach(function(t){return i.lt(r(t.getChild()))}),this},r.getAsset=function(){return this.rt},r.listExtensionsUsed=function(){return Array.from(this.it)},r.listExtensionsRequired=function(){return this.listExtensionsUsed().filter(function(t){return t.isRequired()})},r.dt=function(t){if(this.it.has(t))throw new Error('Extension "'+t.extensionName+'" is already enabled.');return this.it.add(t),this},r.pt=function(t){return this.it.delete(t),this},r.at=function(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))},r.listScenes=function(){return this.scenes.map(function(t){return t.getChild()})},r.ct=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},r.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},r.ot=function(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))},r.listCameras=function(){return this.cameras.map(function(t){return t.getChild()})},r.vt=function(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))},r.listSkins=function(){return this.skins.map(function(t){return t.getChild()})},r.ft=function(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))},r.listMeshes=function(){return this.meshes.map(function(t){return t.getChild()})},r.ht=function(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))},r.listMaterials=function(){return this.materials.map(function(t){return t.getChild()})},r.lt=function(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))},r.listTextures=function(){return this.textures.map(function(t){return t.getChild()})},r.et=function(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))},r.listAnimations=function(){return this.animations.map(function(t){return t.getChild()})},r.ut=function(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))},r.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},r.st=function(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))},r.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},n}(v);s([c],J.prototype,"accessors",void 0),s([c],J.prototype,"animations",void 0),s([c],J.prototype,"buffers",void 0),s([c],J.prototype,"cameras",void 0),s([c],J.prototype,"materials",void 0),s([c],J.prototype,"meshes",void 0),s([c],J.prototype,"nodes",void 0),s([c],J.prototype,"scenes",void 0),s([c],J.prototype,"skins",void 0),s([c],J.prototype,"textures",void 0);var z=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.SCENE,n.nodes=[],n}i(n,t);var r=n.prototype;return r.copy=function(n,r){var i=this;return void 0===r&&(r=a),t.prototype.copy.call(this,n,r),this.clearGraphChildList(this.nodes),n.nodes.forEach(function(t){return i.addNode(r(t.getChild()))}),this},r.addNode=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},r.removeNode=function(t){return this.removeGraphChild(this.nodes,t)},r.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},n}(l);s([c],z.prototype,"nodes",void 0);var $=function(t){function n(){var n;return(n=t.apply(this,arguments)||this).propertyType=exports.PropertyType.SKIN,n.skeleton=null,n.inverseBindMatrices=null,n.joints=[],n}i(n,t);var r=n.prototype;return r.copy=function(n,r){var i=this;return void 0===r&&(r=a),t.prototype.copy.call(this,n,r),n.skeleton&&this.setSkeleton(r(n.skeleton.getChild())),n.inverseBindMatrices&&this.setInverseBindMatrices(r(n.inverseBindMatrices.getChild())),this.clearGraphChildList(this.joints),n.joints.forEach(function(t){return i.addJoint(r(t.getChild()))}),this},r.getSkeleton=function(){return this.skeleton?this.skeleton.getChild():null},r.setSkeleton=function(t){return this.skeleton=this.graph.link("skeleton",this,t),this},r.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},r.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this},r.addJoint=function(t){var n=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,n)},r.removeJoint=function(t){return this.removeGraphChild(this.joints,t)},r.listJoints=function(){return this.joints.map(function(t){return t.getChild()})},n}(l);s([f],$.prototype,"skeleton",void 0),s([f],$.prototype,"inverseBindMatrices",void 0),s([c],$.prototype,"joints",void 0);var q=function(){function t(){this.graph=new B,this.root=new J(this.graph),this.logger=new S(S.Verbosity.INFO)}var n=t.prototype;return n.getRoot=function(){return this.root},n.getGraph=function(){return this.graph},n.getLogger=function(){return this.logger},n.setLogger=function(t){return this.logger=t,this},n.clone=function(){return(new t).merge(this)},n.merge=function(t){for(var n,r={},i=e(t.getRoot().listExtensionsUsed());!(n=i()).done;){var u=n.value,s=this.createExtension(u.constructor);u.isRequired()&&s.setRequired(!0),r[s.extensionName]=s}var o=new Set,h=new Map;o.add(t.root),h.set(t.root,this.root);for(var f,c=e(t.graph.getLinks());!(f=c()).done;)for(var a=f.value,v=0,l=[a.getParent(),a.getChild()];v<l.length;v++){var d=l[v];if(!o.has(d)){var p=d.constructor,w=d instanceof m?new p(this.graph,r[d.extensionName]):new p(this.graph);h.set(d,w),o.add(d)}}for(var x,A=function(t){return h.get(t)},b=e(o);!(x=b()).done;){var y=x.value;h.get(y).copy(y,A)}return this},n.transform=function(){for(var t,n=e([].slice.call(arguments));!(t=n()).done;){var r=t.value;r(this)}return this},n.createExtension=function(t){return this.getRoot().listExtensionsUsed().find(function(n){return n.extensionName===t.EXTENSION_NAME})||new t(this)},n.createScene=function(t){var n=new z(this.graph,t);return this.root.at(n),n},n.createNode=function(t){var n=new F(this.graph,t);return this.root.ct(n),n},n.createCamera=function(t){var n=new y(this.graph,t);return this.root.ot(n),n},n.createSkin=function(t){var n=new $(this.graph,t);return this.root.vt(n),n},n.createMesh=function(t){var n=new V(this.graph,t);return this.root.ft(n),n},n.createPrimitive=function(){return new D(this.graph)},n.createPrimitiveTarget=function(t){return new G(this.graph,t)},n.createMaterial=function(t){var n=new P(this.graph,t);return this.root.ht(n),n},n.createTexture=function(t){var n=new O(this.graph,t);return this.root.lt(n),n},n.createAnimation=function(t){var n=new w(this.graph,t);return this.root.et(n),n},n.createAnimationChannel=function(){return new x(this.graph)},n.createAnimationSampler=function(){return new A(this.graph)},n.createAccessor=function(t,n){void 0===n&&(n=null),n||(n=this.getRoot().listBuffers()[0]);var r=new d(this.graph,t).setBuffer(n);return this.root.ut(r),r},n.createBuffer=function(t){var n=new b(this.graph,t);return this.root.st(n),n},t}(),Y=function(){function t(t){this.doc=t,this.provideTypes=[],this.wt=!1,this.xt=new Set,t.getRoot().dt(this)}var n=t.prototype;return n.dispose=function(){this.doc.getRoot().pt(this);for(var t,n=e(this.xt);!(t=n()).done;)t.value.dispose()},n.isRequired=function(){return this.wt},n.setRequired=function(t){return this.wt=t,this},n.addExtensionProperty=function(t){return this.xt.add(t),this},n.removeExtensionProperty=function(t){return this.xt.delete(t),this},n.provide=function(t,n){return this},t}(),H=function(){function t(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}var n=t.prototype;return n.setTextureInfo=function(t,n){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)},n.setTextureSampler=function(t,n){var r=this.nativeDocument.json.textures[n.index];if(void 0!==r.sampler){var i=this.nativeDocument.json.samplers[r.sampler];void 0!==i.magFilter&&t.setMagFilter(i.magFilter),void 0!==i.minFilter&&t.setMinFilter(i.minFilter),void 0!==i.wrapS&&t.setWrapS(i.wrapS),void 0!==i.wrapT&&t.setWrapT(i.wrapT)}},t}(),K={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Q=function(){function t(){}return t.read=function(t,i){var u=t.json,s=new q;if("2.0"!==u.asset.version)throw new Error('Unsupported glTF version, "'+u.asset.version+'".');if(u.extensionsRequired)for(var o,h=function(){var t=o.value;if(!i.extensions.find(function(n){return n.EXTENSION_NAME===t}))throw new Error('Missing required extension, "'+t+'".')},f=e(u.extensionsRequired);!(o=f()).done;)h();s.getRoot().getAsset().generator=t.json.asset.generator;for(var c,a=new H(t),v=u.extensionsUsed||[],l=u.extensionsRequired||[],p=e(i.extensions);!(c=p()).done;){var w=c.value;v.includes(w.EXTENSION_NAME)&&s.createExtension(w).setRequired(l.includes(w.EXTENSION_NAME))}a.buffers=(u.buffers||[]).map(function(t){var n=s.createBuffer(t.name);return t.uri&&0!==t.uri.indexOf("__")&&n.setURI(t.uri),n}),a.bufferViewBuffers=(u.bufferViews||[]).map(function(t){return a.buffers[t.buffer]}),a.accessors=(u.accessors||[]).map(function(n){var i,u=s.createAccessor(n.name,a.bufferViewBuffers[n.bufferView]);return u.setType(n.type),i=void 0!==n.sparse?function(t,n){var i,u=K[t.componentType],e=d.getElementSize(t.type);i=void 0!==t.bufferView?W(t,n).slice():new u(t.count*e);for(var s=t.sparse.count,o=r(r(r({},t),t.sparse.indices),{},{count:s,type:"SCALAR"}),h=r(r(r({},t),t.sparse.values),{},{count:s}),f=W(o,n),c=W(h,n),a=0;a<o.count;a++)for(var v=0;v<e;v++)i[f[a]*e+v]=c[a*e+v];return i}(n,t):W(n,t).slice(),void 0!==n.normalized&&u.setNormalized(n.normalized),u.setArray(i),u});var x=u.images||[],A=u.textures||[];s.getRoot().listExtensionsUsed().filter(function(t){return t.provideTypes.includes(exports.PropertyType.TEXTURE)}).forEach(function(t){return t.provide(a,exports.PropertyType.TEXTURE)}),a.textures=x.map(function(n){var r=s.createTexture(n.name);if(void 0!==n.bufferView){var i=u.bufferViews[n.bufferView],e=t.json.buffers[i.buffer],o=i.byteOffset||0,h=(e.uri?t.resources[e.uri]:t.resources["At"]).slice(o,o+i.byteLength);r.setImage(h)}else void 0!==n.uri&&(r.setImage(t.resources[n.uri]),0!==n.uri.indexOf("__")&&r.setURI(n.uri));if(void 0!==n.mimeType)r.setMimeType(n.mimeType);else if(n.uri){var f=T.extension(n.uri);r.setMimeType(g.extensionToMimeType(f))}return r}),a.materials=(u.materials||[]).map(function(t){var n=s.createMaterial(t.name);void 0!==t.alphaMode&&n.setAlphaMode(t.alphaMode),void 0!==t.alphaCutoff&&n.setAlphaCutoff(t.alphaCutoff),void 0!==t.doubleSided&&n.setDoubleSided(t.doubleSided);var r=t.pbrMetallicRoughness||{};if(void 0!==r.baseColorFactor&&n.setBaseColorFactor(r.baseColorFactor),void 0!==t.emissiveFactor&&n.setEmissiveFactor(t.emissiveFactor),void 0!==r.metallicFactor&&n.setMetallicFactor(r.metallicFactor),void 0!==r.roughnessFactor&&n.setRoughnessFactor(r.roughnessFactor),void 0!==r.baseColorTexture){var i=r.baseColorTexture;n.setBaseColorTexture(a.textures[A[i.index].source]),a.setTextureInfo(n.getBaseColorTextureInfo(),i),a.setTextureSampler(n.getBaseColorTextureSampler(),i)}if(void 0!==t.emissiveTexture){var u=t.emissiveTexture;n.setEmissiveTexture(a.textures[A[u.index].source]),a.setTextureInfo(n.getEmissiveTextureInfo(),u),a.setTextureSampler(n.getEmissiveTextureSampler(),u)}if(void 0!==t.normalTexture){var e=t.normalTexture;n.setNormalTexture(a.textures[A[e.index].source]),a.setTextureInfo(n.getNormalTextureInfo(),e),a.setTextureSampler(n.getNormalTextureSampler(),e),void 0!==t.normalTexture.scale&&n.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){var o=t.occlusionTexture;n.setOcclusionTexture(a.textures[A[o.index].source]),a.setTextureInfo(n.getOcclusionTextureInfo(),o),a.setTextureSampler(n.getOcclusionTextureSampler(),o),void 0!==t.occlusionTexture.strength&&n.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==r.metallicRoughnessTexture){var h=r.metallicRoughnessTexture;n.setMetallicRoughnessTexture(a.textures[A[h.index].source]),a.setTextureInfo(n.getMetallicRoughnessTextureInfo(),h),a.setTextureSampler(n.getMetallicRoughnessTextureSampler(),h)}return n}),a.meshes=(u.meshes||[]).map(function(t){var n=s.createMesh(t.name);return void 0!==t.weights&&n.setWeights(t.weights),t.primitives.forEach(function(r){var i=s.createPrimitive();void 0!==r.material&&i.setMaterial(a.materials[r.material]),void 0!==r.mode&&i.setMode(r.mode);for(var u=0,e=Object.entries(r.attributes||{});u<e.length;u++){var o=e[u];i.setAttribute(o[0],a.accessors[o[1]])}void 0!==r.indices&&i.setIndices(a.accessors[r.indices]);var h=t.extras&&t.extras.targetNames||[];(r.targets||[]).forEach(function(t,n){for(var r=h[n]||n.toString(),u=s.createPrimitiveTarget(r),e=0,o=Object.entries(t);e<o.length;e++){var f=o[e];u.setAttribute(f[0],a.accessors[f[1]])}i.addTarget(u)}),n.addPrimitive(i)}),n}),a.cameras=(u.cameras||[]).map(function(t){var n=s.createCamera(t.name).setType(t.type);return"perspective"===t.type?n.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):n.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),n});var b=u.nodes||[];return a.nodes=b.map(function(t){var r=s.createNode(t.name);return void 0!==t.translation&&r.setTranslation(t.translation),void 0!==t.rotation&&r.setRotation(t.rotation),void 0!==t.scale&&r.setScale(t.scale),void 0!==t.matrix&&(r.setTranslation(n.getTranslation([],t.matrix)),r.setRotation(n.getRotation([],t.matrix)),r.setScale(n.getScaling([],t.matrix))),void 0!==t.weights&&r.setWeights(t.weights),r}),a.skins=(u.skins||[]).map(function(t){var n=s.createSkin(t.name);void 0!==t.inverseBindMatrices&&n.setInverseBindMatrices(a.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&n.setSkeleton(a.nodes[t.skeleton]);for(var r,i=e(t.joints);!(r=i()).done;)n.addJoint(a.nodes[r.value]);return n}),b.map(function(t,n){var r=a.nodes[n];(t.children||[]).forEach(function(t){return r.addChild(a.nodes[t])}),void 0!==t.mesh&&r.setMesh(a.meshes[t.mesh]),void 0!==t.camera&&r.setCamera(a.cameras[t.camera]),void 0!==t.skin&&r.setSkin(a.skins[t.skin])}),a.animations=(u.animations||[]).map(function(t){var n=s.createAnimation(t.name),r=(t.samplers||[]).map(function(t){var r=s.createAnimationSampler().setInput(a.accessors[t.input]).setOutput(a.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return n.addSampler(r),r});return(t.channels||[]).forEach(function(t){var i=s.createAnimationChannel().setSampler(r[t.sampler]).setTargetNode(a.nodes[t.target.node]).setTargetPath(t.target.path);n.addChannel(i)}),n}),a.scenes=(u.scenes||[]).map(function(t){var n=s.createScene(t.name);return(t.nodes||[]).map(function(t){return a.nodes[t]}).forEach(function(t){return n.addNode(t)}),n}),s.getRoot().listExtensionsUsed().forEach(function(t){return t.read(a)}),s},t}();function W(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["At"],e=K[t.componentType],s=d.getElementSize(t.type);if(void 0!==r.byteStride&&r.byteStride!==s*e.BYTES_PER_ELEMENT)return function(t,n){for(var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["At"],e=K[t.componentType],s=d.getElementSize(t.type),o=e.BYTES_PER_ELEMENT,h=t.byteOffset||0,f=new e(t.count*s),c=new DataView(u,r.byteOffset,r.byteLength),a=r.byteStride,v=0;v<t.count;v++)for(var l=0;l<s;l++){var p=h+v*a+l*o,w=void 0;switch(t.componentType){case 5126:w=c.getFloat32(p,!0);break;case 5125:w=c.getUint32(p,!0);break;case 5123:w=c.getUint16(p,!0);break;case 5121:w=c.getUint8(p);break;case 5122:w=c.getInt16(p,!0);break;case 5120:w=c.getInt8(p);break;default:throw new Error('Unexpected componentType 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0,wrapS:r.getWrapS(),wrapT:r.getWrapT()},u=JSON.stringify(i);this.samplerDefIndexMap.has(u)||(this.samplerDefIndexMap.set(u,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(i));var e={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(u)},s=JSON.stringify(e);return this.textureDefIndexMap.has(s)||(this.textureDefIndexMap.set(s,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(e)),{index:this.textureDefIndexMap.get(s),texCoord:n.getTexCoord()}},n.createPropertyDef=function(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),n},n.createAccessorDef=function(t){var n=this.createPropertyDef(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n},n.createImageData=function(t,n,r){if(this.options.isGLB)this.imageData.push(n),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:n.byteLength});else{var i=g.mimeTypeToExtension(r.getMimeType());t.uri=this.imageURIGenerator.createURI(r,i),this.nativeDocument.resources[t.uri]=n}},t}(),Z=function(){function t(t,n){this.multiple=t,this.basename=n,this.counter=1}return t.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n},t}(),tt=function(){function t(){}return t.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},u=i.json;u.asset.generator="glTF-Transform v0.5.0";var s=new X(i,n),o=r.listBuffers().length,h=r.listTextures().length;function f(t,n,r,i){for(var o,h=[],f=0,c=e(t);!(o=c()).done;){var a=o.value,v=s.createAccessorDef(a);v.bufferView=u.bufferViews.length;var l=E.pad(a.getArray().buffer);v.byteOffset=f,f+=l.byteLength,h.push(l),s.accessorIndexMap.set(a,u.accessors.length),u.accessors.push(v)}var d={buffer:n,byteOffset:r,byteLength:E.concat(h).byteLength};return i&&(d.target=i),u.bufferViews.push(d),{buffers:h,byteLength:f}}function c(t,n,r){for(var i,o=t[0].getCount(),h=0,f=e(t);!(i=f()).done;){var c=i.value,a=s.createAccessorDef(c);a.bufferView=u.bufferViews.length,a.byteOffset=h;var v=c.getElementSize(),l=c.getComponentSize();h+=E.padNumber(v*l),s.accessorIndexMap.set(c,u.accessors.length),u.accessors.push(a)}for(var d=o*h,p=new ArrayBuffer(d),w=new DataView(p),x=0;x<o;x++)for(var A,b=0,y=e(t);!(A=y()).done;){for(var m=A.value,T=m.getElementSize(),g=m.getComponentSize(),M=m.getComponentType(),S=m.getArray(),R=0;R<T;R++){var N=x*h+b+R*g,U=S[x*T+R];switch(M){case 5126:w.setFloat32(N,U,!0);break;case 5120:w.setInt8(N,U);break;case 5122:w.setInt16(N,U,!0);break;case 5121:w.setUint8(N,U);break;case 5123:w.setUint16(N,U,!0);break;case 5125:w.setUint32(N,U,!0);break;default:throw new Error("Unexpected component type: "+M)}}b+=E.padNumber(T*g)}return u.bufferViews.push({buffer:n,byteOffset:r,byteLength:d,byteStride:h,target:34962}),{byteLength:d,buffers:[p]}}s.bufferURIGenerator=new Z(o>1,n.basename),s.imageURIGenerator=new Z(h>1,n.basename),s.logger=t.getLogger();for(var a,v=new Map,l=e(t.getGraph().getLinks());!(a=l()).done;){var p=a.value;if(p.getParent()!==r){var w=p.getChild();if(w instanceof d){var x=v.get(w)||[];x.push(p),v.set(w,x)}}}return u.accessors=[],u.bufferViews=[],u.samplers=[],u.textures=[],u.images=r.listTextures().map(function(t,n){var r=s.createPropertyDef(t);return t.getMimeType()&&(r.mimeType=t.getMimeType()),t.getImage()&&s.createImageData(r,t.getImage(),t),s.imageIndexMap.set(t,n),r}),u.buffers=[],r.listBuffers().forEach(function(t){for(var r,o=s.createPropertyDef(t),h=new Map,a=new Set,l=new Set,p=e(t.listParents().filter(function(t){return!(t instanceof J)}));!(r=p()).done;){var w=r.value;if(!(w instanceof d))throw new Error("Unimplemented buffer reference: "+w);for(var x,A=!1,b=!1,y=!1,m=v.get(w)||[],T=e(m);!(x=T()).done;){var g=x.value;g instanceof k?A=!0:g instanceof C?b=!0:y=!0}if(A||b||y||(y=!0),!A||b||y)if(!b||A||y){if(!y||A||b)throw new Error("Attribute or index accessors must be used only for that purpose.");l.add(w)}else a.add(w);else{var M=m[0].getParent(),S=h.get(M)||new Set;S.add(w),h.set(M,S)}}var R,N=[],U=u.buffers.length,I=0;if(a.size){var O=f(Array.from(a),U,I,34963);I+=O.byteLength,N.push.apply(N,O.buffers)}for(var _=0,j=Array.from(h.values());_<j.length;_++){var L=j[_];if(L.size){var B=c(Array.from(L),U,I);I+=B.byteLength,N.push.apply(N,B.buffers)}}if(l.size){var P=f(Array.from(l),U,I);I+=P.byteLength,N.push.apply(N,P.buffers)}if(s.imageData.length)for(var V=0;V<s.imageData.length;V++)u.bufferViews[u.images[V].bufferView].byteOffset=I,I+=s.imageData[V].byteLength,N.push(s.imageData[V]);I?(n.isGLB?R="__glb.bin":(R=s.bufferURIGenerator.createURI(t,"bin"),o.uri=R),o.byteLength=I,i.resources[R]=E.concat(N),u.buffers.push(o)):s.logger.warn('@gltf-transform/core: Skipping empty buffer, "'+t.getName()+'".')}),u.materials=r.listMaterials().map(function(t,n){var r=s.createPropertyDef(t);if(r.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(r.alphaCutoff=t.getAlphaCutoff()),r.doubleSided=t.getDoubleSided(),r.pbrMetallicRoughness={},r.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),r.emissiveFactor=t.getEmissiveFactor(),r.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),r.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){var i=t.getBaseColorTexture(),u=t.getBaseColorTextureInfo(),e=t.getBaseColorTextureSampler();r.pbrMetallicRoughness.baseColorTexture=s.createTextureInfoDef(i,u,e)}if(t.getEmissiveTexture()){var o=t.getEmissiveTexture(),h=t.getEmissiveTextureInfo(),f=t.getEmissiveTextureSampler();r.emissiveTexture=s.createTextureInfoDef(o,h,f)}if(t.getNormalTexture()){var c=t.getNormalTexture(),a=t.getNormalTextureInfo(),v=t.getNormalTextureSampler(),l=s.createTextureInfoDef(c,a,v);1!==t.getNormalScale()&&(l.scale=t.getNormalScale()),r.normalTexture=l}if(t.getOcclusionTexture()){var d=t.getOcclusionTexture(),p=t.getOcclusionTextureInfo(),w=t.getOcclusionTextureSampler(),x=s.createTextureInfoDef(d,p,w);1!==t.getOcclusionStrength()&&(x.strength=t.getOcclusionStrength()),r.occlusionTexture=x}if(t.getMetallicRoughnessTexture()){var A=t.getMetallicRoughnessTexture(),b=t.getMetallicRoughnessTextureInfo(),y=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=s.createTextureInfoDef(A,b,y)}return s.materialIndexMap.set(t,n),r}),u.meshes=r.listMeshes().map(function(t,n){var r,i=s.createPropertyDef(t);return i.primitives=t.listPrimitives().map(function(t){var n={attributes:{}};n.material=s.materialIndexMap.get(t.getMaterial()),n.mode=t.getMode(),t.getIndices()&&(n.indices=s.accessorIndexMap.get(t.getIndices()));for(var i,u=e(t.listSemantics());!(i=u()).done;){var o=i.value;n.attributes[o]=s.accessorIndexMap.get(t.getAttribute(o))}for(var h,f=e(t.listTargets());!(h=f()).done;){for(var c,a=h.value,v={},l=e(a.listSemantics());!(c=l()).done;){var d=c.value;v[d]=s.accessorIndexMap.get(a.getAttribute(d))}n.targets=n.targets||[],n.targets.push(v)}return t.listTargets().length&&!r&&(r=t.listTargets().map(function(t){return t.getName()})),n}),t.getWeights().length&&(i.weights=t.getWeights()),r&&(i.extras=i.extras||{},i.extras.targetNames=r),s.meshIndexMap.set(t,n),i}),u.cameras=r.listCameras().map(function(t,n){var r=s.createPropertyDef(t);return r.type=t.getType(),"perspective"===r.type?r.perspective={znear:t.getZNear(),zfar:t.getZFar(),yfov:t.getYFov(),aspectRatio:t.getAspectRatio()}:r.orthographic={znear:t.getZNear(),zfar:t.getZFar(),xmag:t.getXMag(),ymag:t.getYMag()},s.cameraIndexMap.set(t,n),r}),u.nodes=r.listNodes().map(function(t,n){var r=s.createPropertyDef(t);return r.translation=t.getTranslation(),r.rotation=t.getRotation(),r.scale=t.getScale(),t.getWeights().length&&(r.weights=t.getWeights()),s.nodeIndexMap.set(t,n),r}),u.skins=r.listSkins().map(function(t,n){var r=s.createPropertyDef(t);return t.getInverseBindMatrices()&&(r.inverseBindMatrices=s.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(r.skeleton=s.nodeIndexMap.get(t.getSkeleton())),r.joints=t.listJoints().map(function(t){return s.nodeIndexMap.get(t)}),s.skinIndexMap.set(t,n),r}),r.listNodes().forEach(function(t,n){var r=u.nodes[n];t.getMesh()&&(r.mesh=s.meshIndexMap.get(t.getMesh())),t.getCamera()&&(r.camera=s.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(r.skin=s.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(r.children=t.listChildren().map(function(t){return s.nodeIndexMap.get(t)}))}),u.animations=r.listAnimations().map(function(t){var n=s.createPropertyDef(t),r=new Map;return n.samplers=t.listSamplers().map(function(t,n){var i=s.createPropertyDef(t);return i.input=s.accessorIndexMap.get(t.getInput()),i.output=s.accessorIndexMap.get(t.getOutput()),i.interpolation=t.getInterpolation(),r.set(t,n),i}),n.channels=t.listChannels().map(function(t){var n=s.createPropertyDef(t);return n.sampler=r.get(t.getSampler()),n.target={node:s.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},n}),n}),u.scenes=r.listScenes().map(function(t){var n=s.createPropertyDef(t);return n.nodes=t.listNodes().map(function(t){return s.nodeIndexMap.get(t)}),n}),u.extensionsUsed=r.listExtensionsUsed().map(function(t){return t.extensionName}),u.extensionsRequired=r.listExtensionsRequired().map(function(t){return t.extensionName}),r.listExtensionsUsed().forEach(function(t){return t.write(s)}),function(t){var n=[];for(var r in t){var i=t[r];Array.isArray(i)&&0===i.length?n.push(r):null!==i&&""!==i||n.push(i)}for(var u=0,e=n;u<e.length;u++)delete t[e[u]]}(u),i},t}(),nt=function(){function t(){this.it=[]}var n=t.prototype;return n.registerExtensions=function(t){var n;return(n=this.it).push.apply(n,t),this},n.createDocument=function(t){return Q.read(t,{extensions:this.it})},n.createNativeDocument=function(t,n){if(n.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have 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i;return(i=t.call(this)||this).fs=n,i.path=r,i}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.write=function(t,n){t.match(/\.glb$/)?this.writeGLB(t,n):this.writeGLTF(t,n)},r.readGLB=function(t){var n=this.fs.readFileSync(t),r=E.trim(n);return this.unpackGLB(r)},r.readGLTF=function(t){var n=this,r=this.path.dirname(t),i={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[].concat(i.json.images||[],i.json.buffers||[]).forEach(function(t){if(t.uri&&!t.uri.match(/data:/)){var u=n.path.resolve(r,t.uri);i.resources[t.uri]=E.trim(n.fs.readFileSync(u))}else{var e="__"+I()+"."+T.extension(t.uri);i.resources[e]=E.createBufferFromDataURI(t.uri),t.uri=e}}),Q.read(i,{extensions:this.it})},r.writeGLTF=function(t,n){var r={basename:T.basename(t),isGLB:!1},i=tt.write(n,r),u=i.json,e=i.resources,s=this.fs,o=this.path,h=o.dirname(t);s.writeFileSync(t,JSON.stringify(u,null,2)),Object.keys(e).forEach(function(t){var n=Buffer.from(e[t]);s.writeFileSync(o.join(h,t),n)})},r.writeGLB=function(t,n){var r=Buffer.from(this.packGLB(n));this.fs.writeFileSync(t,r)},n}(nt),it=function(t){function n(n){var r;return(r=t.call(this)||this).fetchConfig=n,r}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.readGLTF=function(t){var n=this,r={json:{},resources:{}};return fetch(t,this.fetchConfig).then(function(t){return t.json()}).then(function(t){r.json=t;var i=[].concat(t.images,t.buffers).map(function(t){if(t.uri)return fetch(t.uri,n.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(n){r.resources[t.uri]=n})});return Promise.all(i).then(function(){return n.createDocument(r)})})},r.readGLB=function(t){var n=this;return fetch(t,this.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(t){return n.unpackGLB(t)})},n}(nt);exports.Accessor=d,exports.Animation=w,exports.AnimationChannel=x,exports.AnimationSampler=A,exports.Buffer=b,exports.BufferUtils=E,exports.COPY_IDENTITY=a,exports.Camera=y,exports.Document=q,exports.Extension=Y,exports.ExtensionProperty=m,exports.FileUtils=T,exports.Graph=h,exports.GraphChild=f,exports.ImageUtils=g,exports.Logger=S,exports.Material=P,exports.Mesh=V,exports.Node=F,exports.NodeIO=rt,exports.Primitive=D,exports.PrimitiveTarget=G,exports.Property=v,exports.ReaderContext=H,exports.Root=J,exports.Scene=z,exports.Skin=$,exports.Texture=O,exports.TextureInfo=_,exports.TextureLink=L,exports.TextureSampler=j,exports.WebIO=it,exports.WriterContext=X,exports.uuid=I;
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2

dist/core.modern.js

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graphs/documents.")}getName(){return this.t}getParent(){return this.s}getChild(){return this.i}setChild(t){return this.i=t,this}dispose(){this.h||(this.h=!0,this.o.forEach(t=>t()),this.o.length=0)}onDispose(t){return this.o.push(t),this}isDisposed(){return this.h}}class h{constructor(){this.u=[]}getLinks(){return this.u}listParents(t){return this.u.filter(e=>e.getChild()===t).map(t=>t.getParent())}listChildren(t){return this.u.filter(e=>e.getParent()===t).map(t=>t.getChild())}disconnectChildren(t){return this.u.filter(e=>e.getParent()===t).forEach(t=>t.dispose()),this}disconnectParents(t,e){let s=this.u.filter(e=>e.getChild()===t);return e&&(s=s.filter(t=>e(t.getParent()))),s.forEach(t=>t.dispose()),this}link(t,e,s){if(!s)return null;const r=new n(t,e,s);return this.registerLink(r),r}registerLink(t){return this.u.push(t),t.onDispose(()=>this.unlink(t)),t}unlink(t){return this.u=this.u.filter(e=>e!==t),this}}function o(t,e){Object.defineProperty(t,e,{get:function(){return this["__"+e]},set:function(t){const s=this["__"+e];s&&!Array.isArray(s)&&s.dispose(),t&&!Array.isArray(t)&&t.onDispose(()=>{this["__"+e]=null}),this["__"+e]=t},enumerable:!0})}function u(t,e){}class c extends class{constructor(t){this.h=!1,this.graph=t}canLink(t){return this.graph===t.graph}isDisposed(){return this.h}dispose(){this.graph.disconnectChildren(this),this.graph.disconnectParents(this),this.h=!0}detach(){return this.graph.disconnectParents(this),this}swap(t,e){return this.graph.getLinks().filter(e=>e.getParent()===this&&e.getChild()===t).forEach(t=>t.setChild(e)),this}addGraphChild(t,e){return t.push(e),e.onDispose(()=>{const s=t.filter(t=>t!==e);t.length=0,t.push(...s)}),this}removeGraphChild(t,e){return t.filter(t=>t.getChild()===e).forEach(t=>t.dispose()),this}listGraphParents(){return this.graph.listParents(this)}}{constructor(t,e=""){super(t),this.l={},this.t="",this.t=e}getName(){return this.t}setName(t){return this.t=t,this}getExtras(){return this.l}setExtras(t){return this.l=t,this}clone(){throw new Error("Not implemented.")}detach(){return this.graph.disconnectParents(this,t=>"Root"!==t.propertyType),this}listParents(){return this.listGraphParents()}}class a extends c{constructor(){super(...arguments),this.extensions=[]}getExtension(t){const e=t.EXTENSION_NAME,s=this.extensions.find(t=>t.getChild().extensionName===e);return s?s.getChild():null}setExtension(t,e){const s=this.getExtension(t);return s&&this.removeGraphChild(this.extensions,s),e?(e.g(this),this.addGraphChild(this.extensions,this.graph.link(e.extensionName,this,e))):this}listExtensions(){return this.extensions.map(t=>t.getChild())}}r([u],a.prototype,"extensions",void 0);class l extends a{constructor(){super(...arguments),this.propertyType=i.ACCESSOR,this.p=null,this.m="SCALAR",this.v=null,this.A=!1,this.T=d,this.M=d,this.buffer=null}static getElementSize(t){switch(t){case"SCALAR":return 1;case"VEC2":return 2;case"VEC3":return 3;case"VEC4":case"MAT2":return 4;case"MAT3":return 9;case"MAT4":return 16;default:throw new Error("Unexpected type: "+t)}}static getComponentSize(t){switch(t){case 5120:case 5121:return 1;case 5122:case 5123:return 2;case 5125:case 5126:return 4;default:throw new Error("Unexpected component type: "+t)}}getMinNormalized(t){const e=this.getElementSize();this.getMin(t);for(let s=0;s<e;s++)t[s]=this.M(t[s]);return t}getMin(t){const e=this.getCount(),s=this.getElementSize();for(let e=0;e<s;e++)t[e]=Infinity;for(let r=0;r<e*s;r+=s)for(let e=0;e<s;e++){const s=this.p[r+e];Number.isFinite(s)&&(t[e]=Math.min(t[e],s))}return t}getMaxNormalized(t){const e=this.getElementSize();this.getMax(t);for(let s=0;s<e;s++)t[s]=this.M(t[s]);return t}getMax(t){const e=this.getCount(),s=this.getElementSize();for(let e=0;e<s;e++)t[e]=-Infinity;for(let r=0;r<e*s;r+=s)for(let e=0;e<s;e++){const s=this.p[r+e];Number.isFinite(s)&&(t[e]=Math.max(t[e],s))}return t}getCount(){return this.p.length/this.getElementSize()}getType(){return 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t=this.mimeType?"image/png"===this.mimeType:this.uri.match(/\.png$/),t?T.getSizePNG(Buffer.from(this.image)):T.getSizeJPEG(Buffer.from(this.image))}}class I{constructor(){this.propertyType=i.TEXTURE_INFO,this.texCoord=0}getTexCoord(){return this.texCoord}setTexCoord(t){return this.texCoord=t,this}}class C{constructor(){this.propertyType=i.TEXTURE_SAMPLER,this.P=null,this.O=null,this.F=10497,this.G=10497}getMagFilter(){return this.P}setMagFilter(t){return this.P=t,this}getMinFilter(){return this.O}setMinFilter(t){return this.O=t,this}getWrapS(){return this.F}setWrapS(t){return this.F=t,this}getWrapT(){return this.G}setWrapT(t){return this.G=t,this}}C.TextureWrapMode={CLAMP_TO_EDGE:33071,MIRRORED_REPEAT:33648,REPEAT:10497},C.TextureMagFilter={NEAREST:9728,LINEAR:9729},C.TextureMinFilter={NEAREST:9728,LINEAR:9729,NEAREST_MIPMAP_NEAREST:9984,LINEAR_MIPMAP_NEAREST:9985,NEAREST_MIPMAP_LINEAR:9986,LINEAR_MIPMAP_LINEAR:9987};class _ extends n{constructor(){super(...arguments),this.textureInfo=new I,this.sampler=new C}}class B extends n{constructor(){super(...arguments),this.semantic=""}}class U extends n{}class k extends h{linkTexture(t,e,s){if(!s)return null;const r=new _(t,e,s);return this.registerLink(r),r}linkAttribute(t,e,s){if(!s)return null;const r=new B(t,e,s);return this.registerLink(r),r}linkIndex(t,e,s){if(!s)return null;const r=new U(t,e,s);return this.registerLink(r),r}}class L extends a{constructor(){super(...arguments),this.propertyType=i.MATERIAL,this.j="OPAQUE",this.D=.5,this.$=!1,this.J=[1,1,1,1],this.V=[0,0,0],this.W=1,this.Y=1,this.q=1,this.Z=1,this.baseColorTexture=null,this.emissiveTexture=null,this.normalTexture=null,this.occlusionTexture=null,this.metallicRoughnessTexture=null}getDoubleSided(){return this.$}setDoubleSided(t){return this.$=t,this}getAlphaMode(){return this.j}setAlphaMode(t){return this.j=t,this}getAlphaCutoff(){return this.D}setAlphaCutoff(t){return this.D=t,this}getBaseColorFactor(){return this.J}setBaseColorFactor(t){return this.J=t,this}getBaseColorTexture(){return this.baseColorTexture?this.baseColorTexture.getChild():null}getBaseColorTextureInfo(){return this.baseColorTexture?this.baseColorTexture.textureInfo:null}getBaseColorTextureSampler(){return this.baseColorTexture?this.baseColorTexture.sampler:null}setBaseColorTexture(t){return this.baseColorTexture=this.graph.linkTexture("baseColorTexture",this,t),this}getEmissiveFactor(){return this.V}setEmissiveFactor(t){return this.V=t,this}getEmissiveTexture(){return this.emissiveTexture?this.emissiveTexture.getChild():null}getEmissiveTextureInfo(){return this.emissiveTexture?this.emissiveTexture.textureInfo:null}getEmissiveTextureSampler(){return this.emissiveTexture?this.emissiveTexture.sampler:null}setEmissiveTexture(t){return this.emissiveTexture=this.graph.linkTexture("emissiveTexture",this,t),this}getNormalScale(){return this.W}setNormalScale(t){return this.W=t,this}getNormalTexture(){return this.normalTexture?this.normalTexture.getChild():null}getNormalTextureInfo(){return this.normalTexture?this.normalTexture.textureInfo:null}getNormalTextureSampler(){return this.normalTexture?this.normalTexture.sampler:null}setNormalTexture(t){return this.normalTexture=this.graph.linkTexture("normalTexture",this,t),this}getOcclusionStrength(){return this.Y}setOcclusionStrength(t){return this.Y=t,this}getOcclusionTexture(){return this.occlusionTexture?this.occlusionTexture.getChild():null}getOcclusionTextureInfo(){return this.occlusionTexture?this.occlusionTexture.textureInfo:null}getOcclusionTextureSampler(){return this.occlusionTexture?this.occlusionTexture.sampler:null}setOcclusionTexture(t){return this.occlusionTexture=this.graph.linkTexture("occlusionTexture",this,t),this}getRoughnessFactor(){return this.q}setRoughnessFactor(t){return this.q=t,this}getMetallicFactor(){return this.Z}setMetallicFactor(t){return this.Z=t,this}getMetallicRoughnessTexture(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.getChild():null}getMetallicRoughnessTextureInfo(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.textureInfo:null}getMetallicRoughnessTextureSampler(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.sampler:null}setMetallicRoughnessTexture(t){return this.metallicRoughnessTexture=this.graph.linkTexture("metallicRoughnessTexture",this,t),this}}r([o],L.prototype,"baseColorTexture",void 0),r([o],L.prototype,"emissiveTexture",void 0),r([o],L.prototype,"normalTexture",void 0),r([o],L.prototype,"occlusionTexture",void 0),r([o],L.prototype,"metallicRoughnessTexture",void 0);class P extends a{constructor(){super(...arguments),this.propertyType=i.MESH,this.X=[],this.primitives=[]}addPrimitive(t){return this.addGraphChild(this.primitives,this.graph.link("primitive",this,t))}removePrimitive(t){return this.removeGraphChild(this.primitives,t)}listPrimitives(){return this.primitives.map(t=>t.getChild())}getWeights(){return this.X}setWeights(t){return this.X=t,this}}r([u],P.prototype,"primitives",void 0);class O extends c{constructor(){super(...arguments),this.propertyType=i.PRIMITIVE,this.H=4,this.indices=null,this.attributes=[],this.targets=[],this.material=null}getIndices(){return this.indices?this.indices.getChild():null}setIndices(t){return this.indices=this.graph.linkIndex("index",this,t),this}getAttribute(t){const e=this.attributes.find(e=>e.semantic===t);return e?e.getChild():null}setAttribute(t,e){const s=this.getAttribute(t);if(s&&this.removeGraphChild(this.attributes,s),!e)return this;const r=this.graph.linkAttribute(t.toLowerCase(),this,e);return r.semantic=t,this.addGraphChild(this.attributes,r)}listAttributes(){return this.attributes.map(t=>t.getChild())}listSemantics(){return this.attributes.map(t=>t.semantic)}getMaterial(){return this.material?this.material.getChild():null}setMaterial(t){return this.material=this.graph.link("material",this,t),this}getMode(){return this.H}setMode(t){return this.H=t,this}listTargets(){return this.targets.map(t=>t.getChild())}addTarget(t){return this.addGraphChild(this.targets,this.graph.link("target",this,t)),this}removeTarget(t){return this.removeGraphChild(this.targets,t)}}r([o],O.prototype,"indices",void 0),r([u],O.prototype,"attributes",void 0),r([u],O.prototype,"targets",void 0),r([o],O.prototype,"material",void 0);class F extends c{constructor(){super(...arguments),this.propertyType=i.PRIMITIVE_TARGET,this.attributes=[]}getAttribute(t){const e=this.attributes.find(e=>e.semantic===t);return e?e.getChild():null}setAttribute(t,e){const s=this.getAttribute(t);if(s&&this.removeGraphChild(this.attributes,s),!e)return this;const r=this.graph.linkAttribute(t.toLowerCase(),this,e);return r.semantic=t,this.addGraphChild(this.attributes,r)}listAttributes(){return this.attributes.map(t=>t.getChild())}listSemantics(){return this.attributes.map(t=>t.semantic)}}r([u],F.prototype,"attributes",void 0);class G extends a{constructor(){super(...arguments),this.propertyType=i.NODE,this.K=[0,0,0],this.tt=[0,0,0,1],this.et=[1,1,1],this.X=[],this.camera=null,this.mesh=null,this.skin=null,this.children=[]}getTranslation(){return this.K}getRotation(){return this.tt}getScale(){return this.et}setTranslation(t){return this.K=t,this}setRotation(t){return this.tt=t,this}setScale(t){return this.et=t,this}addChild(t){const e=this.graph.link("child",this,t);return this.addGraphChild(this.children,e)}removeChild(t){return this.removeGraphChild(this.children,t)}listChildren(){return this.children.map(t=>t.getChild())}getMesh(){return this.mesh?this.mesh.getChild():null}setMesh(t){return this.mesh=this.graph.link("mesh",this,t),this}getCamera(){return this.camera?this.camera.getChild():null}setCamera(t){return this.camera=this.graph.link("camera",this,t),this}getSkin(){return this.skin?this.skin.getChild():null}setSkin(t){return this.skin=this.graph.link("skin",this,t),this}getWeights(){return this.X}setWeights(t){return this.X=t,this}}r([o],G.prototype,"camera",void 0),r([o],G.prototype,"mesh",void 0),r([o],G.prototype,"skin",void 0),r([u],G.prototype,"children",void 0);class j extends c{constructor(){super(...arguments),this.propertyType=i.ROOT,this.st={generator:"glTF-Transform v0.4.2",version:"2.0"},this.rt=new Set,this.scenes=[],this.nodes=[],this.cameras=[],this.skins=[],this.meshes=[],this.materials=[],this.textures=[],this.animations=[],this.accessors=[],this.buffers=[]}getAsset(){return this.st}listExtensionsUsed(){return Array.from(this.rt)}listExtensionsRequired(){return this.listExtensionsUsed().filter(t=>t.isRequired())}it(t){if(this.rt.has(t))throw new Error(`Extension "${t.extensionName}" is already enabled.`);return this.rt.add(t),this}nt(t){return this.rt.delete(t),this}ht(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))}listScenes(){return this.scenes.map(t=>t.getChild())}ot(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))}listNodes(){return this.nodes.map(t=>t.getChild())}ut(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))}listCameras(){return this.cameras.map(t=>t.getChild())}ct(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))}listSkins(){return this.skins.map(t=>t.getChild())}at(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))}listMeshes(){return this.meshes.map(t=>t.getChild())}lt(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))}listMaterials(){return this.materials.map(t=>t.getChild())}dt(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))}listTextures(){return this.textures.map(t=>t.getChild())}ft(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))}listAnimations(){return this.animations.map(t=>t.getChild())}gt(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))}listAccessors(){return this.accessors.map(t=>t.getChild())}pt(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))}listBuffers(){return this.buffers.map(t=>t.getChild())}}r([u],j.prototype,"scenes",void 0),r([u],j.prototype,"nodes",void 0),r([u],j.prototype,"cameras",void 0),r([u],j.prototype,"skins",void 0),r([u],j.prototype,"meshes",void 0),r([u],j.prototype,"materials",void 0),r([u],j.prototype,"textures",void 0),r([u],j.prototype,"animations",void 0),r([u],j.prototype,"accessors",void 0),r([u],j.prototype,"buffers",void 0);class D extends a{constructor(){super(...arguments),this.propertyType=i.SCENE,this.nodes=[]}addNode(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))}removeNode(t){return this.removeGraphChild(this.nodes,t)}listNodes(){return this.nodes.map(t=>t.getChild())}}r([u],D.prototype,"nodes",void 0);class $ extends a{constructor(){super(...arguments),this.propertyType=i.SKIN,this.skeleton=null,this.inverseBindMatrices=null,this.joints=[]}getSkeleton(){return this.skeleton?this.skeleton.getChild():null}setSkeleton(t){return this.skeleton=this.graph.link("skeleton",this,t),this}getInverseBindMatrices(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null}setInverseBindMatrices(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this}addJoint(t){const e=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,e)}removeJoint(t){return this.removeGraphChild(this.joints,t)}listJoints(){return this.joints.map(t=>t.getChild())}}r([o],$.prototype,"skeleton",void 0),r([o],$.prototype,"inverseBindMatrices",void 0),r([u],$.prototype,"joints",void 0);class z{constructor(){this.graph=new k,this.root=new j(this.graph),this.logger=new y(y.Verbosity.INFO)}getRoot(){return this.root}getGraph(){return this.graph}getLogger(){return this.logger}setLogger(t){return this.logger=t,this}clone(){throw new Error("Not implemented.")}transform(...t){for(const e of t)e(this);return this}createExtension(t){return this.getRoot().listExtensionsUsed().find(e=>e.extensionName===t.EXTENSION_NAME)||new t(this)}createScene(t){const e=new D(this.graph,t);return this.root.ht(e),e}createNode(t){const e=new G(this.graph,t);return this.root.ot(e),e}createCamera(t){const e=new w(this.graph,t);return this.root.ut(e),e}createSkin(t){const e=new $(this.graph,t);return this.root.ct(e),e}createMesh(t){const e=new P(this.graph,t);return this.root.at(e),e}createPrimitive(){return new O(this.graph)}createPrimitiveTarget(t){return new F(this.graph,t)}createMaterial(t){const e=new L(this.graph,t);return this.root.lt(e),e}createTexture(t){const e=new R(this.graph,t);return this.root.dt(e),e}createAnimation(t){const e=new f(this.graph,t);return this.root.ft(e),e}createAnimationChannel(){return new g(this.graph)}createAnimationSampler(){return new p(this.graph)}createAccessor(t,e=null){e||(e=this.getRoot().listBuffers()[0]);const s=new l(this.graph,t).setBuffer(e);return this.root.gt(s),s}createBuffer(t){const e=new m(this.graph,t);return this.root.pt(e),e}}class J{constructor(t){this.doc=t,this.wt=!1,this.vt=new Set,t.getRoot().it(this)}dispose(){this.doc.getRoot().nt(this);for(const t of this.vt)t.dispose()}isRequired(){return this.wt}setRequired(t){return this.wt=t,this}addExtensionProperty(t){return this.vt.add(t),this}removeExtensionProperty(t){return this.vt.delete(t),this}}class V{constructor(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}setTextureInfo(t,e){void 0!==e.texCoord&&t.setTexCoord(e.texCoord)}setTextureSampler(t,e){const s=this.nativeDocument.json.textures[e.index];if(void 0===s.sampler)return;const r=this.nativeDocument.json.samplers[s.sampler];void 0!==r.magFilter&&t.setMagFilter(r.magFilter),void 0!==r.minFilter&&t.setMinFilter(r.minFilter),void 0!==r.wrapS&&t.setWrapS(r.wrapS),void 0!==r.wrapT&&t.setWrapT(r.wrapT)}}const W={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};class Y{static read(r,i){const{json:n}=r,h=new z;if("2.0"!==n.asset.version)throw new Error(`Unsupported glTF version: "${n.asset.version}".`);h.getRoot().getAsset().generator=r.json.asset.generator;const o=new V(r);o.buffers=(n.buffers||[]).map(t=>{const e=h.createBuffer(t.name);return t.uri&&0!==t.uri.indexOf("__")&&e.setURI(t.uri),e}),o.bufferViewBuffers=(n.bufferViews||[]).map(t=>o.buffers[t.buffer]),o.accessors=(n.accessors||[]).map(t=>{const e=h.createAccessor(t.name,o.bufferViewBuffers[t.bufferView]);let s;return e.setType(t.type),s=void 0!==t.sparse?function(t,e){const s=W[t.componentType],r=l.getElementSize(t.type);let i;i=void 0!==t.bufferView?q(t,e).slice():new s(t.count*r);const n=t.sparse.count,h={...t,...t.sparse.indices,count:n,type:"SCALAR"},o={...t,...t.sparse.values,count:n},u=q(h,e),c=q(o,e);for(let t=0;t<h.count;t++)for(let e=0;e<r;e++)i[u[t]*r+e]=c[t*r+e];return i}(t,r):q(t,r).slice(),void 0!==t.normalized&&e.setNormalized(t.normalized),e.setArray(s),e});const u=n.textures||[];o.textures=(n.images||[]).map(t=>{const e=h.createTexture(t.name);if(void 0!==t.bufferView){const s=n.bufferViews[t.bufferView],i=r.json.buffers[s.buffer],h=s.byteOffset||0,o=(i.uri?r.resources[i.uri]:r.resources["xt"]).slice(h,h+s.byteLength);e.setImage(o)}else void 0!==t.uri&&(e.setImage(r.resources[t.uri]),0!==t.uri.indexOf("__")&&e.setURI(t.uri));if(void 0!==t.mimeType)e.setMimeType(t.mimeType);else if(t.uri){const s=A.extension(t.uri);e.setMimeType(T.extensionToMimeType(s))}return e}),o.materials=(n.materials||[]).map(t=>{const e=h.createMaterial(t.name);void 0!==t.alphaMode&&e.setAlphaMode(t.alphaMode),void 0!==t.alphaCutoff&&e.setAlphaCutoff(t.alphaCutoff),void 0!==t.doubleSided&&e.setDoubleSided(t.doubleSided);const s=t.pbrMetallicRoughness||{};if(void 0!==s.baseColorFactor&&e.setBaseColorFactor(s.baseColorFactor),void 0!==t.emissiveFactor&&e.setEmissiveFactor(t.emissiveFactor),void 0!==s.metallicFactor&&e.setMetallicFactor(s.metallicFactor),void 0!==s.roughnessFactor&&e.setRoughnessFactor(s.roughnessFactor),void 0!==s.baseColorTexture){const t=s.baseColorTexture;e.setBaseColorTexture(o.textures[u[t.index].source]),o.setTextureInfo(e.getBaseColorTextureInfo(),t),o.setTextureSampler(e.getBaseColorTextureSampler(),t)}if(void 0!==t.emissiveTexture){const s=t.emissiveTexture;e.setEmissiveTexture(o.textures[u[s.index].source]),o.setTextureInfo(e.getEmissiveTextureInfo(),s),o.setTextureSampler(e.getEmissiveTextureSampler(),s)}if(void 0!==t.normalTexture){const s=t.normalTexture;e.setNormalTexture(o.textures[u[s.index].source]),o.setTextureInfo(e.getNormalTextureInfo(),s),o.setTextureSampler(e.getNormalTextureSampler(),s),void 0!==t.normalTexture.scale&&e.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){const s=t.occlusionTexture;e.setOcclusionTexture(o.textures[u[s.index].source]),o.setTextureInfo(e.getOcclusionTextureInfo(),s),o.setTextureSampler(e.getOcclusionTextureSampler(),s),void 0!==t.occlusionTexture.strength&&e.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==s.metallicRoughnessTexture){const t=s.metallicRoughnessTexture;e.setMetallicRoughnessTexture(o.textures[u[t.index].source]),o.setTextureInfo(e.getMetallicRoughnessTextureInfo(),t),o.setTextureSampler(e.getMetallicRoughnessTextureSampler(),t)}return e}),o.meshes=(n.meshes||[]).map(t=>{const e=h.createMesh(t.name);return void 0!==t.weights&&e.setWeights(t.weights),t.primitives.forEach(s=>{const r=h.createPrimitive();void 0!==s.material&&r.setMaterial(o.materials[s.material]),void 0!==s.mode&&r.setMode(s.mode);for(const[t,e]of Object.entries(s.attributes||{}))r.setAttribute(t,o.accessors[e]);void 0!==s.indices&&r.setIndices(o.accessors[s.indices]);const i=t.extras&&t.extras.targetNames||[];(s.targets||[]).forEach((t,e)=>{const s=i[e]||e.toString(),n=h.createPrimitiveTarget(s);for(const[e,s]of Object.entries(t))n.setAttribute(e,o.accessors[s]);r.addTarget(n)}),e.addPrimitive(r)}),e}),o.cameras=(n.cameras||[]).map(t=>{const e=h.createCamera(t.name).setType(t.type);return"perspective"===t.type?e.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):e.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),e});const c=n.nodes||[];o.nodes=c.map(r=>{const i=h.createNode(r.name);return void 0!==r.translation&&i.setTranslation(r.translation),void 0!==r.rotation&&i.setRotation(r.rotation),void 0!==r.scale&&i.setScale(r.scale),void 0!==r.matrix&&(i.setTranslation(t([],r.matrix)),i.setRotation(e([],r.matrix)),i.setScale(s([],r.matrix))),void 0!==r.weights&&i.setWeights(r.weights),i}),o.skins=(n.skins||[]).map(t=>{const e=h.createSkin(t.name);void 0!==t.inverseBindMatrices&&e.setInverseBindMatrices(o.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&e.setSkeleton(o.nodes[t.skeleton]);for(const s of t.joints)e.addJoint(o.nodes[s]);return e}),c.map((t,e)=>{const s=o.nodes[e];(t.children||[]).forEach(t=>s.addChild(o.nodes[t])),void 0!==t.mesh&&s.setMesh(o.meshes[t.mesh]),void 0!==t.camera&&s.setCamera(o.cameras[t.camera]),void 0!==t.skin&&s.setSkin(o.skins[t.skin])}),o.animations=(n.animations||[]).map(t=>{const e=h.createAnimation(t.name),s=(t.samplers||[]).map(t=>{const s=h.createAnimationSampler().setInput(o.accessors[t.input]).setOutput(o.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return e.addSampler(s),s});return(t.channels||[]).forEach(t=>{const r=h.createAnimationChannel().setSampler(s[t.sampler]).setTargetNode(o.nodes[t.target.node]).setTargetPath(t.target.path);e.addChannel(r)}),e}),o.scenes=(n.scenes||[]).map(t=>{const e=h.createScene(t.name);return(t.nodes||[]).map(t=>o.nodes[t]).forEach(t=>e.addNode(t)),e});const a=n.extensionsUsed||[],d=n.extensionsRequired||[];for(const t of i.extensions)a.includes(t.EXTENSION_NAME)&&h.createExtension(t).setRequired(d.includes(t.EXTENSION_NAME)).read(o);return h}}function q(t,e){const s=e.json.bufferViews[t.bufferView],r=e.json.buffers[s.buffer],i=r.uri?e.resources[r.uri]:e.resources["xt"],n=W[t.componentType],h=l.getElementSize(t.type);if(void 0!==s.byteStride&&s.byteStride!==h*n.BYTES_PER_ELEMENT)return function(t,e){const s=e.json.bufferViews[t.bufferView],r=e.json.buffers[s.buffer],i=r.uri?e.resources[r.uri]:e.resources["xt"],n=W[t.componentType],h=l.getElementSize(t.type),o=n.BYTES_PER_ELEMENT,u=t.byteOffset||0,c=new n(t.count*h),a=new DataView(i,s.byteOffset,s.byteLength),d=s.byteStride;for(let e=0;e<t.count;e++)for(let s=0;s<h;s++){const r=u+e*d+s*o;let i;switch(t.componentType){case 5126:i=a.getFloat32(r,!0);break;case 5125:i=a.getUint32(r,!0);break;case 5123:i=a.getUint16(r,!0);break;case 5121:i=a.getUint8(r);break;case 5122:i=a.getInt16(r,!0);break;case 5120:i=a.getInt8(r);break;default:throw new Error(`Unexpected componentType "${t.componentType}".`)}c[e*h+s]=i}return c}(t,e);const o=(s.byteOffset||0)+(t.byteOffset||0);switch(t.componentType){case 5126:return new Float32Array(i,o,t.count*h);case 5125:return new Uint32Array(i,o,t.count*h);case 5123:return new Uint16Array(i,o,t.count*h);case 5121:return new Uint8Array(i,o,t.count*h);case 5122:return new Int16Array(i,o,t.count*h);case 5120:return new Int8Array(i,o,t.count*h);default:throw new Error(`Unexpected componentType "${t.componentType}".`)}}class Z{constructor(t,e){this.nativeDocument=t,this.options=e,this.accessorIndexMap=new Map,this.cameraIndexMap=new Map,this.skinIndexMap=new Map,this.materialIndexMap=new Map,this.meshIndexMap=new Map,this.nodeIndexMap=new Map,this.imageIndexMap=new Map,this.textureDefIndexMap=new Map,this.samplerDefIndexMap=new Map,this.imageData=[]}createTextureInfoDef(t,e,s){const r={magFilter:s.getMagFilter()||void 0,minFilter:s.getMinFilter()||void 0,wrapS:s.getWrapS(),wrapT:s.getWrapT()},i=JSON.stringify(r);this.samplerDefIndexMap.has(i)||(this.samplerDefIndexMap.set(i,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(r));const n={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(i)},h=JSON.stringify(n);return this.textureDefIndexMap.has(h)||(this.textureDefIndexMap.set(h,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(n)),{index:this.textureDefIndexMap.get(h),texCoord:e.getTexCoord()}}createPropertyDef(t){const e={};return t.getName()&&(e.name=t.getName()),Object.keys(t.getExtras()).length>0&&(e.extras=t.getExtras()),e}createAccessorDef(t){const e=this.createPropertyDef(t);return e.type=t.getType(),e.componentType=t.getComponentType(),e.count=t.getCount(),t.getMax(e.max=[]),t.getMin(e.min=[]),e.normalized=t.getNormalized(),e}createImageData(t,e,s){if(this.options.isGLB)this.imageData.push(e),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:e.byteLength});else{const r=T.mimeTypeToExtension(s.getMimeType());t.uri=this.imageURIGenerator.createURI(s,r),this.nativeDocument.resources[t.uri]=e}}}class X{constructor(t,e){this.multiple=t,this.basename=e,this.counter=1}createURI(t,e){return t.getURI()?t.getURI():this.multiple?`${this.basename}_${this.counter++}.${e}`:`${this.basename}.${e}`}}class H{static write(t,e){const s=t.getRoot(),r={json:{asset:s.getAsset()},resources:{}},i=r.json;i.asset.generator="glTF-Transform v0.4.2";const n=new Z(r,e),h=s.listBuffers().length,o=s.listTextures().length;function u(t,e,s,r){const h=[];let o=0;for(const e of t){const t=n.createAccessorDef(e);t.bufferView=i.bufferViews.length;const s=x.pad(e.getArray().buffer);t.byteOffset=o,o+=s.byteLength,h.push(s),n.accessorIndexMap.set(e,i.accessors.length),i.accessors.push(t)}const u={buffer:e,byteOffset:s,byteLength:x.concat(h).byteLength};return r&&(u.target=r),i.bufferViews.push(u),{buffers:h,byteLength:o}}function c(t,e,s){const r=t[0].getCount();let h=0;for(const e of t){const t=n.createAccessorDef(e);t.bufferView=i.bufferViews.length,t.byteOffset=h;const s=e.getElementSize(),r=e.getComponentSize();h+=x.padNumber(s*r),n.accessorIndexMap.set(e,i.accessors.length),i.accessors.push(t)}const o=r*h,u=new ArrayBuffer(o),c=new DataView(u);for(let e=0;e<r;e++){let s=0;for(const r of t){const t=r.getElementSize(),i=r.getComponentSize(),n=r.getComponentType(),o=r.getArray();for(let r=0;r<t;r++){const u=e*h+s+r*i,a=o[e*t+r];switch(n){case 5126:c.setFloat32(u,a,!0);break;case 5120:c.setInt8(u,a);break;case 5122:c.setInt16(u,a,!0);break;case 5121:c.setUint8(u,a);break;case 5123:c.setUint16(u,a,!0);break;case 5125:c.setUint32(u,a,!0);break;default:throw new Error("Unexpected component type: "+n)}}s+=x.padNumber(t*i)}}return i.bufferViews.push({buffer:e,byteOffset:s,byteLength:o,byteStride:h,target:34962}),{byteLength:o,buffers:[u]}}n.bufferURIGenerator=new X(h>1,e.basename),n.imageURIGenerator=new X(o>1,e.basename),n.logger=t.getLogger();const a=new Map;for(const e of t.getGraph().getLinks()){if(e.getParent()===s)continue;const t=e.getChild();if(t instanceof l){const s=a.get(t)||[];s.push(e),a.set(t,s)}}return i.accessors=[],i.bufferViews=[],i.samplers=[],i.textures=[],i.images=s.listTextures().map((t,e)=>{const s=n.createPropertyDef(t);return t.getMimeType()&&(s.mimeType=t.getMimeType()),t.getImage()&&n.createImageData(s,t.getImage(),t),n.imageIndexMap.set(t,e),s}),i.buffers=[],s.listBuffers().forEach(t=>{const s=n.createPropertyDef(t),h=new Map,o=new Set,d=new Set,f=t.listParents().filter(t=>!(t instanceof j));for(const t of f){if(!(t instanceof l))throw new Error("Unimplemented buffer reference: "+t);let e=!1,s=!1,r=!1;const i=a.get(t)||[];for(const t of i)t instanceof B?e=!0:t instanceof U?s=!0:r=!0;if(e||s||r||(r=!0),!e||s||r)if(!s||e||r){if(!r||e||s)throw new Error("Attribute or index accessors must be used only for that purpose.");d.add(t)}else o.add(t);else{const e=i[0].getParent(),s=h.get(e)||new Set;s.add(t),h.set(e,s)}}const g=[],p=i.buffers.length;let m,w=0;if(o.size){const t=u(Array.from(o),p,w,34963);w+=t.byteLength,g.push(...t.buffers)}for(const t of Array.from(h.values()))if(t.size){const e=c(Array.from(t),p,w);w+=e.byteLength,g.push(...e.buffers)}if(d.size){const t=u(Array.from(d),p,w);w+=t.byteLength,g.push(...t.buffers)}if(n.imageData.length)for(let t=0;t<n.imageData.length;t++)i.bufferViews[i.images[t].bufferView].byteOffset=w,w+=n.imageData[t].byteLength,g.push(n.imageData[t]);w?(e.isGLB?m="__glb.bin":(m=n.bufferURIGenerator.createURI(t,"bin"),s.uri=m),s.byteLength=w,r.resources[m]=x.concat(g),i.buffers.push(s)):n.logger.warn(`@gltf-transform/core: Skipping empty buffer, "${t.getName()}".`)}),i.materials=s.listMaterials().map((t,e)=>{const s=n.createPropertyDef(t);if(s.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(s.alphaCutoff=t.getAlphaCutoff()),s.doubleSided=t.getDoubleSided(),s.pbrMetallicRoughness={},s.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),s.emissiveFactor=t.getEmissiveFactor(),s.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),s.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){const e=t.getBaseColorTexture(),r=t.getBaseColorTextureInfo(),i=t.getBaseColorTextureSampler();s.pbrMetallicRoughness.baseColorTexture=n.createTextureInfoDef(e,r,i)}if(t.getEmissiveTexture()){const e=t.getEmissiveTexture(),r=t.getEmissiveTextureInfo(),i=t.getEmissiveTextureSampler();s.emissiveTexture=n.createTextureInfoDef(e,r,i)}if(t.getNormalTexture()){const e=t.getNormalTexture(),r=t.getNormalTextureInfo(),i=t.getNormalTextureSampler(),h=n.createTextureInfoDef(e,r,i);1!==t.getNormalScale()&&(h.scale=t.getNormalScale()),s.normalTexture=h}if(t.getOcclusionTexture()){const e=t.getOcclusionTexture(),r=t.getOcclusionTextureInfo(),i=t.getOcclusionTextureSampler(),h=n.createTextureInfoDef(e,r,i);1!==t.getOcclusionStrength()&&(h.strength=t.getOcclusionStrength()),s.occlusionTexture=h}if(t.getMetallicRoughnessTexture()){const e=t.getMetallicRoughnessTexture(),r=t.getMetallicRoughnessTextureInfo(),i=t.getMetallicRoughnessTextureSampler();s.pbrMetallicRoughness.metallicRoughnessTexture=n.createTextureInfoDef(e,r,i)}return n.materialIndexMap.set(t,e),s}),i.meshes=s.listMeshes().map((t,e)=>{const s=n.createPropertyDef(t);let r;return s.primitives=t.listPrimitives().map(t=>{const e={attributes:{}};e.material=n.materialIndexMap.get(t.getMaterial()),e.mode=t.getMode(),t.getIndices()&&(e.indices=n.accessorIndexMap.get(t.getIndices()));for(const s of t.listSemantics())e.attributes[s]=n.accessorIndexMap.get(t.getAttribute(s));for(const s of t.listTargets()){const t={};for(const e of s.listSemantics())t[e]=n.accessorIndexMap.get(s.getAttribute(e));e.targets=e.targets||[],e.targets.push(t)}return t.listTargets().length&&!r&&(r=t.listTargets().map(t=>t.getName())),e}),t.getWeights().length&&(s.weights=t.getWeights()),r&&(s.extras=s.extras||{},s.extras.targetNames=r),n.meshIndexMap.set(t,e),s}),i.cameras=s.listCameras().map((t,e)=>{const s=n.createPropertyDef(t);return s.type=t.getType(),"perspective"===s.type?s.perspective={znear:t.getZNear(),zfar:t.getZFar(),yfov:t.getYFov(),aspectRatio:t.getAspectRatio()}:s.orthographic={znear:t.getZNear(),zfar:t.getZFar(),xmag:t.getXMag(),ymag:t.getYMag()},n.cameraIndexMap.set(t,e),s}),i.nodes=s.listNodes().map((t,e)=>{const s=n.createPropertyDef(t);return s.translation=t.getTranslation(),s.rotation=t.getRotation(),s.scale=t.getScale(),t.getWeights().length&&(s.weights=t.getWeights()),n.nodeIndexMap.set(t,e),s}),i.skins=s.listSkins().map((t,e)=>{const s=n.createPropertyDef(t);return t.getInverseBindMatrices()&&(s.inverseBindMatrices=n.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(s.skeleton=n.nodeIndexMap.get(t.getSkeleton())),s.joints=t.listJoints().map(t=>n.nodeIndexMap.get(t)),n.skinIndexMap.set(t,e),s}),s.listNodes().forEach((t,e)=>{const s=i.nodes[e];t.getMesh()&&(s.mesh=n.meshIndexMap.get(t.getMesh())),t.getCamera()&&(s.camera=n.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(s.skin=n.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(s.children=t.listChildren().map(t=>n.nodeIndexMap.get(t)))}),i.animations=s.listAnimations().map(t=>{const e=n.createPropertyDef(t),s=new Map;return e.samplers=t.listSamplers().map((t,e)=>{const r=n.createPropertyDef(t);return r.input=n.accessorIndexMap.get(t.getInput()),r.output=n.accessorIndexMap.get(t.getOutput()),r.interpolation=t.getInterpolation(),s.set(t,e),r}),e.channels=t.listChannels().map(t=>{const e=n.createPropertyDef(t);return e.sampler=s.get(t.getSampler()),e.target={node:n.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},e}),e}),i.scenes=s.listScenes().map(t=>{const e=n.createPropertyDef(t);return e.nodes=t.listNodes().map(t=>n.nodeIndexMap.get(t)),e}),i.extensionsUsed=s.listExtensionsUsed().map(t=>t.extensionName),i.extensionsRequired=s.listExtensionsRequired().map(t=>t.extensionName),s.listExtensionsUsed().forEach(t=>t.write(n)),function(t){const e=[];for(const s in t){const r=t[s];Array.isArray(r)&&0===r.length?e.push(s):null!==r&&""!==r||e.push(r)}for(const s of e)delete t[s]}(i),r}}class K{constructor(){this.rt=[]}registerExtensions(t){return this.rt.push(...t),this}createDocument(t){return Y.read(t,{extensions:this.rt})}createNativeDocument(t,e){if(e.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return H.write(t,e)}unpackGLB(t){const e=new Uint32Array(t,0,3);if(1179937895!==e[0])throw new Error("Invalid glTF asset.");if(2!==e[1])throw new Error(`Unsupported glTF binary version, "${e[1]}".`);const s=new Uint32Array(t,12,2),r=s[0],i=new Uint32Array(t,20+r,2);if(1313821514!==s[1]||5130562!==i[1])throw new Error("Unexpected GLB layout.");const n=x.decodeText(t.slice(20,20+r)),h=JSON.parse(n),o=20+r+8,u=t.slice(o,o+i[0]);return this.createDocument({json:h,resources:{xt:u}})}packGLB(t){const{json:e,resources:s}=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=JSON.stringify(e),i=x.pad(x.encodeText(r),32),n=new Uint32Array([i.byteLength,1313821514]).buffer,h=x.concat([n,i]),o=x.pad(Object.values(s)[0]||new ArrayBuffer(0),0),u=new Uint32Array([o.byteLength,5130562]).buffer,c=x.concat([u,o]),a=new Uint32Array([1179937895,2,12+h.byteLength+c.byteLength]).buffer;return x.concat([a,h,c])}}class Q extends K{constructor(t,e){super(),this.fs=t,this.path=e}read(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)}write(t,e){t.match(/\.glb$/)?this.writeGLB(t,e):this.writeGLTF(t,e)}readGLB(t){const e=this.fs.readFileSync(t),s=x.trim(e);return this.unpackGLB(s)}readGLTF(t){const e=this.path.dirname(t),s={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[...s.json.images||[],...s.json.buffers||[]].forEach(t=>{if(t.uri&&!t.uri.match(/data:/)){const r=this.path.resolve(e,t.uri);s.resources[t.uri]=x.trim(this.fs.readFileSync(r))}else{const e=`__${N()}.${A.extension(t.uri)}`;s.resources[e]=x.createBufferFromDataURI(t.uri),t.uri=e}}),Y.read(s,{extensions:this.rt})}writeGLTF(t,e){const s={basename:A.basename(t),isGLB:!1},{json:r,resources:i}=H.write(e,s),{fs:n,path:h}=this,o=h.dirname(t);n.writeFileSync(t,JSON.stringify(r,null,2)),Object.keys(i).forEach(t=>{const e=Buffer.from(i[t]);n.writeFileSync(h.join(o,t),e)})}writeGLB(t,e){const s=Buffer.from(this.packGLB(e));this.fs.writeFileSync(t,s)}}class tt extends K{constructor(t){super(),this.fetchConfig=t}read(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)}readGLTF(t){const e={json:{},resources:{}};return fetch(t,this.fetchConfig).then(t=>t.json()).then(t=>{e.json=t;const s=[...t.images,...t.buffers].map(t=>{if(t.uri)return fetch(t.uri,this.fetchConfig).then(t=>t.arrayBuffer()).then(s=>{e.resources[t.uri]=s})});return Promise.all(s).then(()=>this.createDocument(e))})}readGLB(t){return fetch(t,this.fetchConfig).then(t=>t.arrayBuffer()).then(t=>this.unpackGLB(t))}}export{l as Accessor,f as Animation,g as AnimationChannel,p as AnimationSampler,m as Buffer,x as BufferUtils,w as Camera,z as Document,J as Extension,v as ExtensionProperty,A as FileUtils,h as Graph,o as GraphChild,T as ImageUtils,y as Logger,L as Material,P as Mesh,G as Node,Q as NodeIO,O as Primitive,F as PrimitiveTarget,c as Property,i as PropertyType,V as ReaderContext,j as Root,D as Scene,$ as Skin,R as Texture,I as TextureInfo,_ as TextureLink,C as TextureSampler,tt as WebIO,Z as WriterContext,N as uuid};
import{getTranslation as t,getRotation as s,getScaling as e}from"gl-matrix/mat4";function r(t,s,e,r){var i,n=arguments.length,h=n<3?s:null===r?r=Object.getOwnPropertyDescriptor(s,e):r;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)h=Reflect.decorate(t,s,e,r);else for(var o=t.length-1;o>=0;o--)(i=t[o])&&(h=(n<3?i(h):n>3?i(s,e,h):i(s,e))||h);return n>3&&h&&Object.defineProperty(s,e,h),h}var i;!function(t){t.ACCESSOR="Accessor",t.ANIMATION="Animation",t.ANIMATION_CHANNEL="AnimationChannel",t.ANIMATION_SAMPLER="AnimationSampler",t.BUFFER="Buffer",t.CAMERA="Camera",t.MATERIAL="Material",t.MESH="Mesh",t.PRIMITIVE="Primitive",t.PRIMITIVE_TARGET="PrimitiveTarget",t.NODE="Node",t.ROOT="Root",t.SCENE="Scene",t.SKIN="Skin",t.TEXTURE="Texture",t.TEXTURE_INFO="TextureInfo",t.TEXTURE_SAMPLER="TextureSampler"}(i||(i={}));class n{constructor(t,s,e){if(this.t=t,this.s=s,this.i=e,this.h=!1,this.o=[],!s.canLink(e))throw new Error("Cannot link disconnected graphs/documents.")}getName(){return this.t}getParent(){return this.s}getChild(){return this.i}setChild(t){return this.i=t,this}dispose(){this.h||(this.h=!0,this.o.forEach(t=>t()),this.o.length=0)}onDispose(t){return this.o.push(t),this}isDisposed(){return this.h}}class h{constructor(){this.u=[]}getLinks(){return this.u}listParents(t){return this.u.filter(s=>s.getChild()===t).map(t=>t.getParent())}listChildren(t){return this.u.filter(s=>s.getParent()===t).map(t=>t.getChild())}disconnectChildren(t){return this.u.filter(s=>s.getParent()===t).forEach(t=>t.dispose()),this}disconnectParents(t,s){let e=this.u.filter(s=>s.getChild()===t);return s&&(e=e.filter(t=>s(t.getParent()))),e.forEach(t=>t.dispose()),this}link(t,s,e){if(!e)return null;const r=new n(t,s,e);return this.registerLink(r),r}registerLink(t){return this.u.push(t),t.onDispose(()=>this.unlink(t)),t}unlink(t){return this.u=this.u.filter(s=>s!==t),this}}function o(t,s){Object.defineProperty(t,s,{get:function(){return this["__"+s]},set:function(t){const e=this["__"+s];e&&!Array.isArray(e)&&e.dispose(),t&&!Array.isArray(t)&&t.onDispose(()=>{this["__"+s]=null}),this["__"+s]=t},enumerable:!0})}function u(t,s){}const c=t=>t;class a extends class{constructor(t){this.h=!1,this.graph=t}canLink(t){return this.graph===t.graph}isDisposed(){return this.h}dispose(){this.graph.disconnectChildren(this),this.graph.disconnectParents(this),this.h=!0}detach(){return this.graph.disconnectParents(this),this}swap(t,s){return this.graph.getLinks().filter(s=>s.getParent()===this&&s.getChild()===t).forEach(t=>t.setChild(s)),this}addGraphChild(t,s){return t.push(s),s.onDispose(()=>{const e=t.filter(t=>t!==s);t.length=0,t.push(...e)}),this}removeGraphChild(t,s){return t.filter(t=>t.getChild()===s).forEach(t=>t.dispose()),this}clearGraphChildList(t){for(;t.length>0;)t[0].dispose();return this}listGraphParents(){return this.graph.listParents(this)}}{constructor(t,s=""){super(t),this.l={},this.t="",this.t=s}getName(){return this.t}setName(t){return this.t=t,this}getExtras(){return this.l}setExtras(t){return this.l=t,this}clone(){return new(0,this.constructor)(this.graph).copy(this,c)}copy(t,s){return this.t=t.t,this.l=JSON.parse(JSON.stringify(t.l)),this}detach(){return this.graph.disconnectParents(this,t=>"Root"!==t.propertyType),this}listParents(){return this.listGraphParents()}}class l extends a{constructor(){super(...arguments),this.extensions=[]}copy(t,s=c){return super.copy(t,s),this.clearGraphChildList(this.extensions),t.extensions.forEach(t=>{const e=t.getChild();this.setExtension(e.constructor,s(e))}),this}getExtension(t){const s=t.EXTENSION_NAME,e=this.extensions.find(t=>t.getChild().extensionName===s);return e?e.getChild():null}setExtension(t,s){const e=this.getExtension(t);return e&&this.removeGraphChild(this.extensions,e),s?(s.p(this),this.addGraphChild(this.extensions,this.graph.link(s.extensionName,this,s))):this}listExtensions(){return this.extensions.map(t=>t.getChild())}}r([u],l.prototype,"extensions",void 0);class f extends l{constructor(){super(...arguments),this.propertyType=i.ACCESSOR,this.g=null,this.m="SCALAR",this.v=null,this.A=!1,this.T=d,this.M=d,this.buffer=null}copy(t,s=c){return super.copy(t,s),this.g=t.g.slice(),this.m=t.m,this.v=t.v,this.A=t.A,this.T=t.T,this.M=t.M,t.buffer&&this.setBuffer(s(t.buffer.getChild())),this}static getElementSize(t){switch(t){case"SCALAR":return 1;case"VEC2":return 2;case"VEC3":return 3;case"VEC4":case"MAT2":return 4;case"MAT3":return 9;case"MAT4":return 16;default:throw new Error("Unexpected type: "+t)}}static getComponentSize(t){switch(t){case 5120:case 5121:return 1;case 5122:case 5123:return 2;case 5125:case 5126:return 4;default:throw new Error("Unexpected component type: "+t)}}getMinNormalized(t){const s=this.getElementSize();this.getMin(t);for(let e=0;e<s;e++)t[e]=this.M(t[e]);return t}getMin(t){const s=this.getCount(),e=this.getElementSize();for(let s=0;s<e;s++)t[s]=Infinity;for(let r=0;r<s*e;r+=e)for(let s=0;s<e;s++){const e=this.g[r+s];Number.isFinite(e)&&(t[s]=Math.min(t[s],e))}return t}getMaxNormalized(t){const s=this.getElementSize();this.getMax(t);for(let e=0;e<s;e++)t[e]=this.M(t[e]);return t}getMax(t){const s=this.getCount(),e=this.getElementSize();for(let s=0;s<e;s++)t[s]=-Infinity;for(let r=0;r<s*e;r+=e)for(let s=0;s<e;s++){const e=this.g[r+s];Number.isFinite(e)&&(t[s]=Math.max(t[s],e))}return t}getCount(){return this.g.length/this.getElementSize()}getType(){return this.m}setType(t){return this.m=t,this}getElementSize(){return f.getElementSize(this.m)}getComponentSize(){return this.g.BYTES_PER_ELEMENT}getComponentType(){return this.v}getNormalized(){return this.A}setNormalized(t){return this.A=t,t?(this.M=t=>function(t,s){switch(s){case 5126:return t;case 5123:return t/65535;case 5121:return t/255;case 5122:return Math.max(t/32767,-1);case 5120:return Math.max(t/127,-1)}}(t,this.v),this.T=t=>function(t,s){switch(s){case 5126:return t;case 5123:return Math.round(65535*t);case 5121:return Math.round(255*t);case 5122:return Math.round(32767*t);case 5120:return Math.round(127*t)}}(t,this.v)):(this.M=d,this.T=d),this}getScalar(t){const s=this.getElementSize();return this.M(this.g[t*s])}setScalar(t,s){return this.g[t*this.getElementSize()]=this.T(s),this}getElement(t,s){const e=this.getElementSize();for(let r=0;r<e;r++)s[r]=this.M(this.g[t*e+r]);return s}setElement(t,s){const e=this.getElementSize();for(let r=0;r<e;r++)this.g[t*e+r]=this.T(s[r]);return this}getBuffer(){return this.buffer.getChild()}setBuffer(t){return this.buffer=this.graph.link("buffer",this,t),this}getArray(){return this.g}setArray(t){return this.v=function(t){switch(t.constructor){case Float32Array:return 5126;case Uint32Array:return 5125;case Uint16Array:return 5123;case Uint8Array:return 5121;case Int16Array:return 5122;case Int8Array:return 5120;default:throw new Error("Unknown accessor componentType.")}}(t),this.g=t,this}getByteLength(){return this.g.byteLength}}function d(t){return t}f.Type={SCALAR:"SCALAR",VEC2:"VEC2",VEC3:"VEC3",VEC4:"VEC4",MAT3:"MAT3",MAT4:"MAT4"},f.ComponentType={BYTE:5120,UNSIGNED_BYTE:5121,SHORT:5122,UNSIGNED_SHORT:5123,UNSIGNED_INT:5125,FLOAT:5126},r([o],f.prototype,"buffer",void 0);class p extends l{constructor(){super(...arguments),this.propertyType=i.ANIMATION,this.channels=[],this.samplers=[]}copy(t,s=c){return super.copy(t,s),this.clearGraphChildList(this.channels),this.clearGraphChildList(this.samplers),t.channels.forEach(t=>this.addChannel(s(t.getChild()))),t.samplers.forEach(t=>this.addSampler(s(t.getChild()))),this}addChannel(t){const s=this.graph.link("channel",this,t);return this.addGraphChild(this.channels,s)}removeChannel(t){return this.removeGraphChild(this.channels,t)}listChannels(){return this.channels.map(t=>t.getChild())}addSampler(t){const s=this.graph.link("sampler",this,t);return this.addGraphChild(this.samplers,s)}removeSampler(t){return this.removeGraphChild(this.samplers,t)}listSamplers(){return this.samplers.map(t=>t.getChild())}}r([u],p.prototype,"channels",void 0),r([u],p.prototype,"samplers",void 0);class g extends a{constructor(){super(...arguments),this.propertyType=i.ANIMATION_CHANNEL,this.S=null,this.targetNode=null,this.sampler=null}copy(t,s=c){return super.copy(t,s),this.S=t.S,t.targetNode&&this.setTargetNode(s(t.targetNode.getChild())),t.sampler&&this.setSampler(s(t.sampler.getChild())),this}getTargetPath(){return this.S}setTargetPath(t){return this.S=t,this}getTargetNode(){return this.targetNode?this.targetNode.getChild():null}setTargetNode(t){return this.targetNode=this.graph.link("target.node",this,t),this}getSampler(){return this.sampler?this.sampler.getChild():null}setSampler(t){return this.sampler=this.graph.link("sampler",this,t),this}}r([o],g.prototype,"targetNode",void 0),r([o],g.prototype,"sampler",void 0);class m extends a{constructor(){super(...arguments),this.propertyType=i.ANIMATION_SAMPLER,this.N="LINEAR",this.input=null,this.output=null}copy(t,s=c){return super.copy(t,s),this.N=t.N,t.input&&this.setInput(s(t.input.getChild())),t.output&&this.setOutput(s(t.output.getChild())),this}getInterpolation(){return this.N}setInterpolation(t){return this.N=t,this}getInput(){return this.input?this.input.getChild():null}setInput(t){return this.input=this.graph.link("input",this,t),this}getOutput(){return this.output?this.output.getChild():null}setOutput(t){return this.output=this.graph.link("output",this,t),this}}r([o],m.prototype,"input",void 0),r([o],m.prototype,"output",void 0);class w extends l{constructor(){super(...arguments),this.propertyType=i.BUFFER}copy(t,s=c){return super.copy(t,s),this.R=t.R,this}getURI(){return this.R}setURI(t){return this.R=t,this}}class v extends l{constructor(){super(...arguments),this.propertyType=i.CAMERA,this.m="perspective"}copy(t,s=c){return super.copy(t,s),this.m=t.m,this.I=t.I,this.C=t.C,this._=t._,this.B=t.B,this.U=t.U,this.k=t.k,this}getType(){return this.m}setType(t){return this.m=t,this}getZNear(){return this.I}setZNear(t){return this.I=t,this}getZFar(){return this.C}setZFar(t){return this.C=t,this}getAspectRatio(){return this._}setAspectRatio(t){return this._=t,this}getYFov(){return this.B}setYFov(t){return this.B=t,this}getXMag(){return this.U}setXMag(t){return this.U=t,this}getYMag(){return this.k}setYMag(t){return this.k=t,this}}class x extends a{constructor(t,s){super(t),this.L=s,this.L.addExtensionProperty(this)}dispose(){this.L.removeExtensionProperty(this),super.dispose()}p(t){if(!this.parentTypes.includes(t.propertyType))throw new Error(`Parent "${t.propertyType}" invalid for child "${this.propertyType}".`)}}class y{static createBufferFromDataURI(t){if("undefined"==typeof Buffer){const s=atob(t.split(",")[1]),e=new Uint8Array(s.length);for(let t=0;t<s.length;t++)e[t]=s.charCodeAt(t);return e.buffer}{const s=t.split(",")[1],e=t.indexOf("base64")>=0;return this.trim(Buffer.from(s,e?"base64":"utf8"))}}static encodeText(t){return"undefined"!=typeof TextEncoder?(new TextEncoder).encode(t).buffer:this.trim(Buffer.from(t))}static decodeText(t){return"undefined"!=typeof TextDecoder?(new TextDecoder).decode(t):Buffer.from(t).toString("utf8")}static trim(t){const{byteOffset:s,byteLength:e}=t;return t.buffer.slice(s,s+e)}static concat(t){let s=0;for(const e of t)s+=e.byteLength;const e=new Uint8Array(s);let r=0;for(const s of t)e.set(new Uint8Array(s),r),r+=s.byteLength;return e.buffer}static pad(t,s=0){const e=this.padNumber(t.byteLength);if(e!==t.byteLength){const r=new Uint8Array(e);if(r.set(new Uint8Array(t)),0!==s)for(let i=t.byteLength;i<e;i++)r[i]=s;return r.buffer}return t}static padNumber(t){return 4*Math.ceil(t/4)}static equals(t,s){if(t===s)return!0;if(t.byteLength!==s.byteLength)return!1;const e=new DataView(t),r=new DataView(s);let i=t.byteLength;for(;i--;)if(e.getUint8(i)!==r.getUint8(i))return!1;return!0}}class A{static basename(t){return t.split(/[\\/]/).pop().split(/[.]/).shift()}static extension(t){return 0!==t.indexOf("data:")?t.split(/[\\/]/).pop().split(/[.]/).pop():0===t.indexOf("data:image/png")?"png":0===t.indexOf("data:image/jpeg")?"jpeg":"bin"}}class T{static getSizeJPEG(t){let s,e;for(t=t.slice(4);t.length;){if(s=t.readUInt16BE(0),E(t,s),e=t[s+1],192===e||193===e||194===e)return[t.readUInt16BE(s+7),t.readUInt16BE(s+5)];t=t.slice(s+2)}throw new TypeError("Invalid JPG, no size found")}static getSizePNG(t){return"CgBI"===t.toString("ascii",12,16)?[t.readUInt32BE(32),t.readUInt32BE(36)]:[t.readUInt32BE(16),t.readUInt32BE(20)]}static mimeTypeToExtension(t){return"image/jpeg"===t?"jpg":t.split("/").pop()}static extensionToMimeType(t){return"jpg"===t?"image/jpeg":"image/"+t}}function E(t,s){if(s>t.length)throw new TypeError("Corrupt JPG, exceeded buffer limits");if(255!==t[s])throw new TypeError("Invalid JPG, marker table corrupted")}class b{constructor(t){this.verbosity=t}debug(t){this.verbosity<=b.Verbosity.DEBUG&&console.debug(t)}info(t){this.verbosity<=b.Verbosity.INFO&&console.info(t)}warn(t){this.verbosity<=b.Verbosity.WARN&&console.warn(t)}error(t){this.verbosity<=b.Verbosity.ERROR&&console.error(t)}}b.Verbosity={SILENT:4,ERROR:3,WARN:2,INFO:1,DEBUG:0};const M="23456789abdegjkmnpqrvwxyzABDEGJKMNPQRVWXYZ",S=new Set,N=function(){let t="";for(let s=0;s<6;s++)t+=M.charAt(Math.floor(Math.random()*M.length));return t},R=function(){for(let t=0;t<999;t++){const t=N();if(!S.has(t))return S.add(t),t}};class I extends l{constructor(){super(...arguments),this.propertyType=i.TEXTURE,this.image=null,this.mimeType="",this.uri=""}copy(t,s=c){return super.copy(t,s),this.mimeType=t.mimeType,this.uri=t.uri,t.image&&(this.image=t.image.slice(0)),this}getMimeType(){return this.mimeType}setMimeType(t){return this.mimeType=t,this}getURI(){return this.uri}setURI(t){return this.uri=t,this}getImage(){return this.image}setImage(t){return this.image=t,this}getSize(){let t;return t=this.mimeType?"image/png"===this.mimeType:this.uri.match(/\.png$/),t?T.getSizePNG(Buffer.from(this.image)):T.getSizeJPEG(Buffer.from(this.image))}}class C{constructor(){this.propertyType=i.TEXTURE_INFO,this.texCoord=0}copy(t){return this.texCoord=t.texCoord,this}getTexCoord(){return this.texCoord}setTexCoord(t){return this.texCoord=t,this}}class _{constructor(){this.propertyType=i.TEXTURE_SAMPLER,this.P=null,this.O=null,this.F=10497,this.G=10497}copy(t){return this.P=t.P,this.O=t.O,this.F=t.F,this.G=t.G,this}getMagFilter(){return this.P}setMagFilter(t){return this.P=t,this}getMinFilter(){return this.O}setMinFilter(t){return this.O=t,this}getWrapS(){return this.F}setWrapS(t){return this.F=t,this}getWrapT(){return this.G}setWrapT(t){return this.G=t,this}}_.TextureWrapMode={CLAMP_TO_EDGE:33071,MIRRORED_REPEAT:33648,REPEAT:10497},_.TextureMagFilter={NEAREST:9728,LINEAR:9729},_.TextureMinFilter={NEAREST:9728,LINEAR:9729,NEAREST_MIPMAP_NEAREST:9984,LINEAR_MIPMAP_NEAREST:9985,NEAREST_MIPMAP_LINEAR:9986,LINEAR_MIPMAP_LINEAR:9987};class B extends n{constructor(){super(...arguments),this.textureInfo=new C,this.sampler=new _}copy(t){return this.textureInfo.copy(t.textureInfo),this.sampler.copy(t.sampler),this}}class U extends n{constructor(){super(...arguments),this.semantic=""}copy(t){return this.semantic=t.semantic,this}}class k extends n{copy(t){return this}}class L extends h{linkTexture(t,s,e){if(!e)return null;const r=new B(t,s,e);return this.registerLink(r),r}linkAttribute(t,s,e){if(!e)return null;const r=new U(t,s,e);return this.registerLink(r),r}linkIndex(t,s,e){if(!e)return null;const r=new k(t,s,e);return this.registerLink(r),r}}class P extends l{constructor(){super(...arguments),this.propertyType=i.MATERIAL,this.j="OPAQUE",this.D=.5,this.$=!1,this.J=[1,1,1,1],this.V=[0,0,0],this.W=1,this.Y=1,this.q=1,this.Z=1,this.baseColorTexture=null,this.emissiveTexture=null,this.normalTexture=null,this.occlusionTexture=null,this.metallicRoughnessTexture=null}copy(t,s=c){return super.copy(t,s),this.j=t.j,this.D=t.D,this.$=t.$,this.J=[...t.J],this.V=[...t.V],this.W=t.W,this.Y=t.Y,this.q=t.q,this.Z=t.Z,t.baseColorTexture&&(this.setBaseColorTexture(s(t.baseColorTexture.getChild())),this.baseColorTexture.copy(t.baseColorTexture)),t.emissiveTexture&&(this.setEmissiveTexture(s(t.emissiveTexture.getChild())),this.emissiveTexture.copy(t.emissiveTexture)),t.normalTexture&&(this.setNormalTexture(s(t.normalTexture.getChild())),this.normalTexture.copy(t.normalTexture)),t.occlusionTexture&&(this.setOcclusionTexture(s(t.occlusionTexture.getChild())),this.occlusionTexture.copy(t.occlusionTexture)),t.metallicRoughnessTexture&&(this.setMetallicRoughnessTexture(s(t.metallicRoughnessTexture.getChild())),this.metallicRoughnessTexture.copy(t.metallicRoughnessTexture)),this}getDoubleSided(){return this.$}setDoubleSided(t){return this.$=t,this}getAlphaMode(){return this.j}setAlphaMode(t){return this.j=t,this}getAlphaCutoff(){return this.D}setAlphaCutoff(t){return this.D=t,this}getBaseColorFactor(){return this.J}setBaseColorFactor(t){return this.J=t,this}getBaseColorTexture(){return this.baseColorTexture?this.baseColorTexture.getChild():null}getBaseColorTextureInfo(){return this.baseColorTexture?this.baseColorTexture.textureInfo:null}getBaseColorTextureSampler(){return this.baseColorTexture?this.baseColorTexture.sampler:null}setBaseColorTexture(t){return this.baseColorTexture=this.graph.linkTexture("baseColorTexture",this,t),this}getEmissiveFactor(){return this.V}setEmissiveFactor(t){return this.V=t,this}getEmissiveTexture(){return this.emissiveTexture?this.emissiveTexture.getChild():null}getEmissiveTextureInfo(){return this.emissiveTexture?this.emissiveTexture.textureInfo:null}getEmissiveTextureSampler(){return this.emissiveTexture?this.emissiveTexture.sampler:null}setEmissiveTexture(t){return this.emissiveTexture=this.graph.linkTexture("emissiveTexture",this,t),this}getNormalScale(){return this.W}setNormalScale(t){return this.W=t,this}getNormalTexture(){return this.normalTexture?this.normalTexture.getChild():null}getNormalTextureInfo(){return this.normalTexture?this.normalTexture.textureInfo:null}getNormalTextureSampler(){return this.normalTexture?this.normalTexture.sampler:null}setNormalTexture(t){return this.normalTexture=this.graph.linkTexture("normalTexture",this,t),this}getOcclusionStrength(){return this.Y}setOcclusionStrength(t){return this.Y=t,this}getOcclusionTexture(){return this.occlusionTexture?this.occlusionTexture.getChild():null}getOcclusionTextureInfo(){return this.occlusionTexture?this.occlusionTexture.textureInfo:null}getOcclusionTextureSampler(){return this.occlusionTexture?this.occlusionTexture.sampler:null}setOcclusionTexture(t){return this.occlusionTexture=this.graph.linkTexture("occlusionTexture",this,t),this}getRoughnessFactor(){return this.q}setRoughnessFactor(t){return this.q=t,this}getMetallicFactor(){return this.Z}setMetallicFactor(t){return this.Z=t,this}getMetallicRoughnessTexture(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.getChild():null}getMetallicRoughnessTextureInfo(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.textureInfo:null}getMetallicRoughnessTextureSampler(){return this.metallicRoughnessTexture?this.metallicRoughnessTexture.sampler:null}setMetallicRoughnessTexture(t){return this.metallicRoughnessTexture=this.graph.linkTexture("metallicRoughnessTexture",this,t),this}}r([o],P.prototype,"baseColorTexture",void 0),r([o],P.prototype,"emissiveTexture",void 0),r([o],P.prototype,"normalTexture",void 0),r([o],P.prototype,"occlusionTexture",void 0),r([o],P.prototype,"metallicRoughnessTexture",void 0);class O extends l{constructor(){super(...arguments),this.propertyType=i.MESH,this.X=[],this.primitives=[]}copy(t,s=c){return super.copy(t,s),this.X=[...t.X],this.clearGraphChildList(this.primitives),t.primitives.forEach(t=>this.addPrimitive(s(t.getChild()))),this}addPrimitive(t){return this.addGraphChild(this.primitives,this.graph.link("primitive",this,t))}removePrimitive(t){return this.removeGraphChild(this.primitives,t)}listPrimitives(){return this.primitives.map(t=>t.getChild())}getWeights(){return this.X}setWeights(t){return this.X=t,this}}r([u],O.prototype,"primitives",void 0);class F extends a{constructor(){super(...arguments),this.propertyType=i.PRIMITIVE,this.H=4,this.material=null,this.indices=null,this.attributes=[],this.targets=[]}copy(t,s=c){return super.copy(t,s),this.H=t.H,t.indices&&this.setIndices(s(t.indices.getChild())),t.material&&this.setMaterial(s(t.material.getChild())),this.clearGraphChildList(this.attributes),t.listSemantics().forEach(e=>{this.setAttribute(e,s(t.getAttribute(e)))}),this.clearGraphChildList(this.targets),t.targets.forEach(t=>this.addTarget(s(t.getChild()))),this}getIndices(){return this.indices?this.indices.getChild():null}setIndices(t){return this.indices=this.graph.linkIndex("index",this,t),this}getAttribute(t){const s=this.attributes.find(s=>s.semantic===t);return s?s.getChild():null}setAttribute(t,s){const e=this.getAttribute(t);if(e&&this.removeGraphChild(this.attributes,e),!s)return this;const r=this.graph.linkAttribute(t.toLowerCase(),this,s);return r.semantic=t,this.addGraphChild(this.attributes,r)}listAttributes(){return this.attributes.map(t=>t.getChild())}listSemantics(){return this.attributes.map(t=>t.semantic)}getMaterial(){return this.material?this.material.getChild():null}setMaterial(t){return this.material=this.graph.link("material",this,t),this}getMode(){return this.H}setMode(t){return this.H=t,this}listTargets(){return this.targets.map(t=>t.getChild())}addTarget(t){return this.addGraphChild(this.targets,this.graph.link("target",this,t)),this}removeTarget(t){return this.removeGraphChild(this.targets,t)}}r([o],F.prototype,"material",void 0),r([o],F.prototype,"indices",void 0),r([u],F.prototype,"attributes",void 0),r([u],F.prototype,"targets",void 0);class G extends a{constructor(){super(...arguments),this.propertyType=i.PRIMITIVE_TARGET,this.attributes=[]}copy(t,s=c){return super.copy(t,s),this.clearGraphChildList(this.attributes),t.listSemantics().forEach(e=>{this.setAttribute(e,s(t.getAttribute(e)))}),this}getAttribute(t){const s=this.attributes.find(s=>s.semantic===t);return s?s.getChild():null}setAttribute(t,s){const e=this.getAttribute(t);if(e&&this.removeGraphChild(this.attributes,e),!s)return this;const r=this.graph.linkAttribute(t.toLowerCase(),this,s);return r.semantic=t,this.addGraphChild(this.attributes,r)}listAttributes(){return this.attributes.map(t=>t.getChild())}listSemantics(){return this.attributes.map(t=>t.semantic)}}r([u],G.prototype,"attributes",void 0);class j extends l{constructor(){super(...arguments),this.propertyType=i.NODE,this.K=[0,0,0],this.tt=[0,0,0,1],this.st=[1,1,1],this.X=[],this.camera=null,this.mesh=null,this.skin=null,this.children=[]}copy(t,s=c){return super.copy(t,s),this.K=[...t.K],this.tt=[...t.tt],this.st=[...t.st],this.X=[...t.X],t.camera&&this.setCamera(s(t.camera.getChild())),t.mesh&&this.setMesh(s(t.mesh.getChild())),t.skin&&this.setSkin(s(t.skin.getChild())),this.clearGraphChildList(this.children),t.children.forEach(t=>this.addChild(s(t.getChild()))),this}getTranslation(){return this.K}getRotation(){return this.tt}getScale(){return this.st}setTranslation(t){return this.K=t,this}setRotation(t){return this.tt=t,this}setScale(t){return this.st=t,this}addChild(t){const s=this.graph.link("child",this,t);return this.addGraphChild(this.children,s)}removeChild(t){return this.removeGraphChild(this.children,t)}listChildren(){return this.children.map(t=>t.getChild())}getMesh(){return this.mesh?this.mesh.getChild():null}setMesh(t){return this.mesh=this.graph.link("mesh",this,t),this}getCamera(){return this.camera?this.camera.getChild():null}setCamera(t){return this.camera=this.graph.link("camera",this,t),this}getSkin(){return this.skin?this.skin.getChild():null}setSkin(t){return this.skin=this.graph.link("skin",this,t),this}getWeights(){return this.X}setWeights(t){return this.X=t,this}}r([o],j.prototype,"camera",void 0),r([o],j.prototype,"mesh",void 0),r([o],j.prototype,"skin",void 0),r([u],j.prototype,"children",void 0);class D extends a{constructor(){super(...arguments),this.propertyType=i.ROOT,this.et={generator:"glTF-Transform v0.5.0",version:"2.0"},this.rt=new Set,this.accessors=[],this.animations=[],this.buffers=[],this.cameras=[],this.materials=[],this.meshes=[],this.nodes=[],this.scenes=[],this.skins=[],this.textures=[]}clone(){throw new Error("Root cannot be cloned.")}copy(t,s=c){if(super.copy(t,s),!s)throw new Error("Root cannot be copied.");return Object.assign(this.et,t.et),t.accessors.forEach(t=>this.it(s(t.getChild()))),t.animations.forEach(t=>this.nt(s(t.getChild()))),t.buffers.forEach(t=>this.ht(s(t.getChild()))),t.cameras.forEach(t=>this.ot(s(t.getChild()))),t.materials.forEach(t=>this.ut(s(t.getChild()))),t.meshes.forEach(t=>this.ct(s(t.getChild()))),t.nodes.forEach(t=>this.at(s(t.getChild()))),t.scenes.forEach(t=>this.lt(s(t.getChild()))),t.skins.forEach(t=>this.ft(s(t.getChild()))),t.textures.forEach(t=>this.dt(s(t.getChild()))),this}getAsset(){return this.et}listExtensionsUsed(){return Array.from(this.rt)}listExtensionsRequired(){return this.listExtensionsUsed().filter(t=>t.isRequired())}pt(t){if(this.rt.has(t))throw new Error(`Extension "${t.extensionName}" is already enabled.`);return this.rt.add(t),this}gt(t){return this.rt.delete(t),this}lt(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))}listScenes(){return this.scenes.map(t=>t.getChild())}at(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))}listNodes(){return this.nodes.map(t=>t.getChild())}ot(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))}listCameras(){return this.cameras.map(t=>t.getChild())}ft(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))}listSkins(){return this.skins.map(t=>t.getChild())}ct(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))}listMeshes(){return this.meshes.map(t=>t.getChild())}ut(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))}listMaterials(){return this.materials.map(t=>t.getChild())}dt(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))}listTextures(){return this.textures.map(t=>t.getChild())}nt(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))}listAnimations(){return this.animations.map(t=>t.getChild())}it(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))}listAccessors(){return this.accessors.map(t=>t.getChild())}ht(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))}listBuffers(){return this.buffers.map(t=>t.getChild())}}r([u],D.prototype,"accessors",void 0),r([u],D.prototype,"animations",void 0),r([u],D.prototype,"buffers",void 0),r([u],D.prototype,"cameras",void 0),r([u],D.prototype,"materials",void 0),r([u],D.prototype,"meshes",void 0),r([u],D.prototype,"nodes",void 0),r([u],D.prototype,"scenes",void 0),r([u],D.prototype,"skins",void 0),r([u],D.prototype,"textures",void 0);class $ extends l{constructor(){super(...arguments),this.propertyType=i.SCENE,this.nodes=[]}copy(t,s=c){return super.copy(t,s),this.clearGraphChildList(this.nodes),t.nodes.forEach(t=>this.addNode(s(t.getChild()))),this}addNode(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))}removeNode(t){return this.removeGraphChild(this.nodes,t)}listNodes(){return this.nodes.map(t=>t.getChild())}}r([u],$.prototype,"nodes",void 0);class z extends l{constructor(){super(...arguments),this.propertyType=i.SKIN,this.skeleton=null,this.inverseBindMatrices=null,this.joints=[]}copy(t,s=c){return super.copy(t,s),t.skeleton&&this.setSkeleton(s(t.skeleton.getChild())),t.inverseBindMatrices&&this.setInverseBindMatrices(s(t.inverseBindMatrices.getChild())),this.clearGraphChildList(this.joints),t.joints.forEach(t=>this.addJoint(s(t.getChild()))),this}getSkeleton(){return this.skeleton?this.skeleton.getChild():null}setSkeleton(t){return this.skeleton=this.graph.link("skeleton",this,t),this}getInverseBindMatrices(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null}setInverseBindMatrices(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this}addJoint(t){const s=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,s)}removeJoint(t){return this.removeGraphChild(this.joints,t)}listJoints(){return this.joints.map(t=>t.getChild())}}r([o],z.prototype,"skeleton",void 0),r([o],z.prototype,"inverseBindMatrices",void 0),r([u],z.prototype,"joints",void 0);class J{constructor(){this.graph=new L,this.root=new D(this.graph),this.logger=new b(b.Verbosity.INFO)}getRoot(){return this.root}getGraph(){return this.graph}getLogger(){return this.logger}setLogger(t){return this.logger=t,this}clone(){return(new J).merge(this)}merge(t){const s={};for(const e of t.getRoot().listExtensionsUsed()){const t=this.createExtension(e.constructor);e.isRequired()&&t.setRequired(!0),s[t.extensionName]=t}const e=new Set,r=new Map;e.add(t.root),r.set(t.root,this.root);for(const i of t.graph.getLinks())for(const t of[i.getParent(),i.getChild()])if(!e.has(t)){const i=t.constructor,n=t instanceof x?new i(this.graph,s[t.extensionName]):new i(this.graph);r.set(t,n),e.add(t)}const i=t=>r.get(t);for(const t of e)r.get(t).copy(t,i);return this}transform(...t){for(const s of t)s(this);return this}createExtension(t){return this.getRoot().listExtensionsUsed().find(s=>s.extensionName===t.EXTENSION_NAME)||new t(this)}createScene(t){const s=new $(this.graph,t);return this.root.lt(s),s}createNode(t){const s=new j(this.graph,t);return this.root.at(s),s}createCamera(t){const s=new v(this.graph,t);return this.root.ot(s),s}createSkin(t){const s=new z(this.graph,t);return this.root.ft(s),s}createMesh(t){const s=new O(this.graph,t);return this.root.ct(s),s}createPrimitive(){return new F(this.graph)}createPrimitiveTarget(t){return new G(this.graph,t)}createMaterial(t){const s=new P(this.graph,t);return this.root.ut(s),s}createTexture(t){const s=new I(this.graph,t);return this.root.dt(s),s}createAnimation(t){const s=new p(this.graph,t);return this.root.nt(s),s}createAnimationChannel(){return new g(this.graph)}createAnimationSampler(){return new m(this.graph)}createAccessor(t,s=null){s||(s=this.getRoot().listBuffers()[0]);const e=new f(this.graph,t).setBuffer(s);return this.root.it(e),e}createBuffer(t){const s=new w(this.graph,t);return this.root.ht(s),s}}class V{constructor(t){this.doc=t,this.provideTypes=[],this.wt=!1,this.vt=new Set,t.getRoot().pt(this)}dispose(){this.doc.getRoot().gt(this);for(const t of this.vt)t.dispose()}isRequired(){return this.wt}setRequired(t){return this.wt=t,this}addExtensionProperty(t){return this.vt.add(t),this}removeExtensionProperty(t){return this.vt.delete(t),this}provide(t,s){return this}}class W{constructor(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}setTextureInfo(t,s){void 0!==s.texCoord&&t.setTexCoord(s.texCoord)}setTextureSampler(t,s){const e=this.nativeDocument.json.textures[s.index];if(void 0===e.sampler)return;const r=this.nativeDocument.json.samplers[e.sampler];void 0!==r.magFilter&&t.setMagFilter(r.magFilter),void 0!==r.minFilter&&t.setMinFilter(r.minFilter),void 0!==r.wrapS&&t.setWrapS(r.wrapS),void 0!==r.wrapT&&t.setWrapT(r.wrapT)}}const Y={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};class q{static read(r,n){const{json:h}=r,o=new J;if("2.0"!==h.asset.version)throw new Error(`Unsupported glTF version, "${h.asset.version}".`);if(h.extensionsRequired)for(const t of h.extensionsRequired)if(!n.extensions.find(s=>s.EXTENSION_NAME===t))throw new Error(`Missing required extension, "${t}".`);o.getRoot().getAsset().generator=r.json.asset.generator;const u=new W(r),c=h.extensionsUsed||[],a=h.extensionsRequired||[];for(const t of n.extensions)c.includes(t.EXTENSION_NAME)&&o.createExtension(t).setRequired(a.includes(t.EXTENSION_NAME));u.buffers=(h.buffers||[]).map(t=>{const s=o.createBuffer(t.name);return t.uri&&0!==t.uri.indexOf("__")&&s.setURI(t.uri),s}),u.bufferViewBuffers=(h.bufferViews||[]).map(t=>u.buffers[t.buffer]),u.accessors=(h.accessors||[]).map(t=>{const s=o.createAccessor(t.name,u.bufferViewBuffers[t.bufferView]);let e;return s.setType(t.type),e=void 0!==t.sparse?function(t,s){const e=Y[t.componentType],r=f.getElementSize(t.type);let i;i=void 0!==t.bufferView?Z(t,s).slice():new e(t.count*r);const n=t.sparse.count,h={...t,...t.sparse.indices,count:n,type:"SCALAR"},o={...t,...t.sparse.values,count:n},u=Z(h,s),c=Z(o,s);for(let t=0;t<h.count;t++)for(let s=0;s<r;s++)i[u[t]*r+s]=c[t*r+s];return i}(t,r):Z(t,r).slice(),void 0!==t.normalized&&s.setNormalized(t.normalized),s.setArray(e),s});const l=h.images||[],d=h.textures||[];o.getRoot().listExtensionsUsed().filter(t=>t.provideTypes.includes(i.TEXTURE)).forEach(t=>t.provide(u,i.TEXTURE)),u.textures=l.map(t=>{const s=o.createTexture(t.name);if(void 0!==t.bufferView){const e=h.bufferViews[t.bufferView],i=r.json.buffers[e.buffer],n=e.byteOffset||0,o=(i.uri?r.resources[i.uri]:r.resources["xt"]).slice(n,n+e.byteLength);s.setImage(o)}else void 0!==t.uri&&(s.setImage(r.resources[t.uri]),0!==t.uri.indexOf("__")&&s.setURI(t.uri));if(void 0!==t.mimeType)s.setMimeType(t.mimeType);else if(t.uri){const e=A.extension(t.uri);s.setMimeType(T.extensionToMimeType(e))}return s}),u.materials=(h.materials||[]).map(t=>{const s=o.createMaterial(t.name);void 0!==t.alphaMode&&s.setAlphaMode(t.alphaMode),void 0!==t.alphaCutoff&&s.setAlphaCutoff(t.alphaCutoff),void 0!==t.doubleSided&&s.setDoubleSided(t.doubleSided);const e=t.pbrMetallicRoughness||{};if(void 0!==e.baseColorFactor&&s.setBaseColorFactor(e.baseColorFactor),void 0!==t.emissiveFactor&&s.setEmissiveFactor(t.emissiveFactor),void 0!==e.metallicFactor&&s.setMetallicFactor(e.metallicFactor),void 0!==e.roughnessFactor&&s.setRoughnessFactor(e.roughnessFactor),void 0!==e.baseColorTexture){const t=e.baseColorTexture;s.setBaseColorTexture(u.textures[d[t.index].source]),u.setTextureInfo(s.getBaseColorTextureInfo(),t),u.setTextureSampler(s.getBaseColorTextureSampler(),t)}if(void 0!==t.emissiveTexture){const e=t.emissiveTexture;s.setEmissiveTexture(u.textures[d[e.index].source]),u.setTextureInfo(s.getEmissiveTextureInfo(),e),u.setTextureSampler(s.getEmissiveTextureSampler(),e)}if(void 0!==t.normalTexture){const e=t.normalTexture;s.setNormalTexture(u.textures[d[e.index].source]),u.setTextureInfo(s.getNormalTextureInfo(),e),u.setTextureSampler(s.getNormalTextureSampler(),e),void 0!==t.normalTexture.scale&&s.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){const e=t.occlusionTexture;s.setOcclusionTexture(u.textures[d[e.index].source]),u.setTextureInfo(s.getOcclusionTextureInfo(),e),u.setTextureSampler(s.getOcclusionTextureSampler(),e),void 0!==t.occlusionTexture.strength&&s.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==e.metallicRoughnessTexture){const t=e.metallicRoughnessTexture;s.setMetallicRoughnessTexture(u.textures[d[t.index].source]),u.setTextureInfo(s.getMetallicRoughnessTextureInfo(),t),u.setTextureSampler(s.getMetallicRoughnessTextureSampler(),t)}return s}),u.meshes=(h.meshes||[]).map(t=>{const s=o.createMesh(t.name);return void 0!==t.weights&&s.setWeights(t.weights),t.primitives.forEach(e=>{const r=o.createPrimitive();void 0!==e.material&&r.setMaterial(u.materials[e.material]),void 0!==e.mode&&r.setMode(e.mode);for(const[t,s]of Object.entries(e.attributes||{}))r.setAttribute(t,u.accessors[s]);void 0!==e.indices&&r.setIndices(u.accessors[e.indices]);const i=t.extras&&t.extras.targetNames||[];(e.targets||[]).forEach((t,s)=>{const e=i[s]||s.toString(),n=o.createPrimitiveTarget(e);for(const[s,e]of Object.entries(t))n.setAttribute(s,u.accessors[e]);r.addTarget(n)}),s.addPrimitive(r)}),s}),u.cameras=(h.cameras||[]).map(t=>{const s=o.createCamera(t.name).setType(t.type);return"perspective"===t.type?s.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):s.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),s});const p=h.nodes||[];return u.nodes=p.map(r=>{const i=o.createNode(r.name);return void 0!==r.translation&&i.setTranslation(r.translation),void 0!==r.rotation&&i.setRotation(r.rotation),void 0!==r.scale&&i.setScale(r.scale),void 0!==r.matrix&&(i.setTranslation(t([],r.matrix)),i.setRotation(s([],r.matrix)),i.setScale(e([],r.matrix))),void 0!==r.weights&&i.setWeights(r.weights),i}),u.skins=(h.skins||[]).map(t=>{const s=o.createSkin(t.name);void 0!==t.inverseBindMatrices&&s.setInverseBindMatrices(u.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&s.setSkeleton(u.nodes[t.skeleton]);for(const e of t.joints)s.addJoint(u.nodes[e]);return s}),p.map((t,s)=>{const e=u.nodes[s];(t.children||[]).forEach(t=>e.addChild(u.nodes[t])),void 0!==t.mesh&&e.setMesh(u.meshes[t.mesh]),void 0!==t.camera&&e.setCamera(u.cameras[t.camera]),void 0!==t.skin&&e.setSkin(u.skins[t.skin])}),u.animations=(h.animations||[]).map(t=>{const s=o.createAnimation(t.name),e=(t.samplers||[]).map(t=>{const e=o.createAnimationSampler().setInput(u.accessors[t.input]).setOutput(u.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return s.addSampler(e),e});return(t.channels||[]).forEach(t=>{const r=o.createAnimationChannel().setSampler(e[t.sampler]).setTargetNode(u.nodes[t.target.node]).setTargetPath(t.target.path);s.addChannel(r)}),s}),u.scenes=(h.scenes||[]).map(t=>{const s=o.createScene(t.name);return(t.nodes||[]).map(t=>u.nodes[t]).forEach(t=>s.addNode(t)),s}),o.getRoot().listExtensionsUsed().forEach(t=>t.read(u)),o}}function Z(t,s){const e=s.json.bufferViews[t.bufferView],r=s.json.buffers[e.buffer],i=r.uri?s.resources[r.uri]:s.resources["xt"],n=Y[t.componentType],h=f.getElementSize(t.type);if(void 0!==e.byteStride&&e.byteStride!==h*n.BYTES_PER_ELEMENT)return function(t,s){const e=s.json.bufferViews[t.bufferView],r=s.json.buffers[e.buffer],i=r.uri?s.resources[r.uri]:s.resources["xt"],n=Y[t.componentType],h=f.getElementSize(t.type),o=n.BYTES_PER_ELEMENT,u=t.byteOffset||0,c=new n(t.count*h),a=new DataView(i,e.byteOffset,e.byteLength),l=e.byteStride;for(let s=0;s<t.count;s++)for(let e=0;e<h;e++){const r=u+s*l+e*o;let i;switch(t.componentType){case 5126:i=a.getFloat32(r,!0);break;case 5125:i=a.getUint32(r,!0);break;case 5123:i=a.getUint16(r,!0);break;case 5121:i=a.getUint8(r);break;case 5122:i=a.getInt16(r,!0);break;case 5120:i=a.getInt8(r);break;default:throw new Error(`Unexpected componentType "${t.componentType}".`)}c[s*h+e]=i}return c}(t,s);const o=(e.byteOffset||0)+(t.byteOffset||0);switch(t.componentType){case 5126:return new Float32Array(i,o,t.count*h);case 5125:return new Uint32Array(i,o,t.count*h);case 5123:return new Uint16Array(i,o,t.count*h);case 5121:return new Uint8Array(i,o,t.count*h);case 5122:return new Int16Array(i,o,t.count*h);case 5120:return new Int8Array(i,o,t.count*h);default:throw new Error(`Unexpected componentType "${t.componentType}".`)}}class X{constructor(t,s){this.nativeDocument=t,this.options=s,this.accessorIndexMap=new Map,this.cameraIndexMap=new Map,this.skinIndexMap=new Map,this.materialIndexMap=new Map,this.meshIndexMap=new Map,this.nodeIndexMap=new Map,this.imageIndexMap=new Map,this.textureDefIndexMap=new Map,this.samplerDefIndexMap=new Map,this.imageData=[]}createTextureInfoDef(t,s,e){const r={magFilter:e.getMagFilter()||void 0,minFilter:e.getMinFilter()||void 0,wrapS:e.getWrapS(),wrapT:e.getWrapT()},i=JSON.stringify(r);this.samplerDefIndexMap.has(i)||(this.samplerDefIndexMap.set(i,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(r));const n={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(i)},h=JSON.stringify(n);return this.textureDefIndexMap.has(h)||(this.textureDefIndexMap.set(h,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(n)),{index:this.textureDefIndexMap.get(h),texCoord:s.getTexCoord()}}createPropertyDef(t){const s={};return t.getName()&&(s.name=t.getName()),Object.keys(t.getExtras()).length>0&&(s.extras=t.getExtras()),s}createAccessorDef(t){const s=this.createPropertyDef(t);return s.type=t.getType(),s.componentType=t.getComponentType(),s.count=t.getCount(),t.getMax(s.max=[]),t.getMin(s.min=[]),s.normalized=t.getNormalized(),s}createImageData(t,s,e){if(this.options.isGLB)this.imageData.push(s),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:s.byteLength});else{const r=T.mimeTypeToExtension(e.getMimeType());t.uri=this.imageURIGenerator.createURI(e,r),this.nativeDocument.resources[t.uri]=s}}}class H{constructor(t,s){this.multiple=t,this.basename=s,this.counter=1}createURI(t,s){return t.getURI()?t.getURI():this.multiple?`${this.basename}_${this.counter++}.${s}`:`${this.basename}.${s}`}}class K{static write(t,s){const e=t.getRoot(),r={json:{asset:e.getAsset()},resources:{}},i=r.json;i.asset.generator="glTF-Transform v0.5.0";const n=new X(r,s),h=e.listBuffers().length,o=e.listTextures().length;function u(t,s,e,r){const h=[];let o=0;for(const s of t){const t=n.createAccessorDef(s);t.bufferView=i.bufferViews.length;const e=y.pad(s.getArray().buffer);t.byteOffset=o,o+=e.byteLength,h.push(e),n.accessorIndexMap.set(s,i.accessors.length),i.accessors.push(t)}const u={buffer:s,byteOffset:e,byteLength:y.concat(h).byteLength};return r&&(u.target=r),i.bufferViews.push(u),{buffers:h,byteLength:o}}function c(t,s,e){const r=t[0].getCount();let h=0;for(const s of t){const t=n.createAccessorDef(s);t.bufferView=i.bufferViews.length,t.byteOffset=h;const e=s.getElementSize(),r=s.getComponentSize();h+=y.padNumber(e*r),n.accessorIndexMap.set(s,i.accessors.length),i.accessors.push(t)}const o=r*h,u=new ArrayBuffer(o),c=new DataView(u);for(let s=0;s<r;s++){let e=0;for(const r of t){const t=r.getElementSize(),i=r.getComponentSize(),n=r.getComponentType(),o=r.getArray();for(let r=0;r<t;r++){const u=s*h+e+r*i,a=o[s*t+r];switch(n){case 5126:c.setFloat32(u,a,!0);break;case 5120:c.setInt8(u,a);break;case 5122:c.setInt16(u,a,!0);break;case 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of d){if(!(t instanceof f))throw new Error("Unimplemented buffer reference: "+t);let s=!1,e=!1,r=!1;const i=a.get(t)||[];for(const t of i)t instanceof U?s=!0:t instanceof k?e=!0:r=!0;if(s||e||r||(r=!0),!s||e||r)if(!e||s||r){if(!r||s||e)throw new Error("Attribute or index accessors must be used only for that purpose.");l.add(t)}else o.add(t);else{const s=i[0].getParent(),e=h.get(s)||new Set;e.add(t),h.set(s,e)}}const p=[],g=i.buffers.length;let m,w=0;if(o.size){const t=u(Array.from(o),g,w,34963);w+=t.byteLength,p.push(...t.buffers)}for(const t of Array.from(h.values()))if(t.size){const s=c(Array.from(t),g,w);w+=s.byteLength,p.push(...s.buffers)}if(l.size){const t=u(Array.from(l),g,w);w+=t.byteLength,p.push(...t.buffers)}if(n.imageData.length)for(let 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s=t.getBaseColorTexture(),r=t.getBaseColorTextureInfo(),i=t.getBaseColorTextureSampler();e.pbrMetallicRoughness.baseColorTexture=n.createTextureInfoDef(s,r,i)}if(t.getEmissiveTexture()){const s=t.getEmissiveTexture(),r=t.getEmissiveTextureInfo(),i=t.getEmissiveTextureSampler();e.emissiveTexture=n.createTextureInfoDef(s,r,i)}if(t.getNormalTexture()){const s=t.getNormalTexture(),r=t.getNormalTextureInfo(),i=t.getNormalTextureSampler(),h=n.createTextureInfoDef(s,r,i);1!==t.getNormalScale()&&(h.scale=t.getNormalScale()),e.normalTexture=h}if(t.getOcclusionTexture()){const s=t.getOcclusionTexture(),r=t.getOcclusionTextureInfo(),i=t.getOcclusionTextureSampler(),h=n.createTextureInfoDef(s,r,i);1!==t.getOcclusionStrength()&&(h.strength=t.getOcclusionStrength()),e.occlusionTexture=h}if(t.getMetallicRoughnessTexture()){const s=t.getMetallicRoughnessTexture(),r=t.getMetallicRoughnessTextureInfo(),i=t.getMetallicRoughnessTextureSampler();e.pbrMetallicRoughness.metallicRoughnessTexture=n.createTextureInfoDef(s,r,i)}return n.materialIndexMap.set(t,s),e}),i.meshes=e.listMeshes().map((t,s)=>{const e=n.createPropertyDef(t);let r;return e.primitives=t.listPrimitives().map(t=>{const s={attributes:{}};s.material=n.materialIndexMap.get(t.getMaterial()),s.mode=t.getMode(),t.getIndices()&&(s.indices=n.accessorIndexMap.get(t.getIndices()));for(const e of t.listSemantics())s.attributes[e]=n.accessorIndexMap.get(t.getAttribute(e));for(const e of t.listTargets()){const t={};for(const s of e.listSemantics())t[s]=n.accessorIndexMap.get(e.getAttribute(s));s.targets=s.targets||[],s.targets.push(t)}return t.listTargets().length&&!r&&(r=t.listTargets().map(t=>t.getName())),s}),t.getWeights().length&&(e.weights=t.getWeights()),r&&(e.extras=e.extras||{},e.extras.targetNames=r),n.meshIndexMap.set(t,s),e}),i.cameras=e.listCameras().map((t,s)=>{const e=n.createPropertyDef(t);return e.type=t.getType(),"perspective"===e.type?e.perspective={znear:t.getZNear(),zfar:t.getZFar(),yfov:t.getYFov(),aspectRatio:t.getAspectRatio()}:e.orthographic={znear:t.getZNear(),zfar:t.getZFar(),xmag:t.getXMag(),ymag:t.getYMag()},n.cameraIndexMap.set(t,s),e}),i.nodes=e.listNodes().map((t,s)=>{const e=n.createPropertyDef(t);return e.translation=t.getTranslation(),e.rotation=t.getRotation(),e.scale=t.getScale(),t.getWeights().length&&(e.weights=t.getWeights()),n.nodeIndexMap.set(t,s),e}),i.skins=e.listSkins().map((t,s)=>{const e=n.createPropertyDef(t);return t.getInverseBindMatrices()&&(e.inverseBindMatrices=n.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(e.skeleton=n.nodeIndexMap.get(t.getSkeleton())),e.joints=t.listJoints().map(t=>n.nodeIndexMap.get(t)),n.skinIndexMap.set(t,s),e}),e.listNodes().forEach((t,s)=>{const e=i.nodes[s];t.getMesh()&&(e.mesh=n.meshIndexMap.get(t.getMesh())),t.getCamera()&&(e.camera=n.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(e.skin=n.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(e.children=t.listChildren().map(t=>n.nodeIndexMap.get(t)))}),i.animations=e.listAnimations().map(t=>{const s=n.createPropertyDef(t),e=new Map;return s.samplers=t.listSamplers().map((t,s)=>{const r=n.createPropertyDef(t);return r.input=n.accessorIndexMap.get(t.getInput()),r.output=n.accessorIndexMap.get(t.getOutput()),r.interpolation=t.getInterpolation(),e.set(t,s),r}),s.channels=t.listChannels().map(t=>{const s=n.createPropertyDef(t);return s.sampler=e.get(t.getSampler()),s.target={node:n.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},s}),s}),i.scenes=e.listScenes().map(t=>{const s=n.createPropertyDef(t);return s.nodes=t.listNodes().map(t=>n.nodeIndexMap.get(t)),s}),i.extensionsUsed=e.listExtensionsUsed().map(t=>t.extensionName),i.extensionsRequired=e.listExtensionsRequired().map(t=>t.extensionName),e.listExtensionsUsed().forEach(t=>t.write(n)),function(t){const s=[];for(const e in t){const r=t[e];Array.isArray(r)&&0===r.length?s.push(e):null!==r&&""!==r||s.push(r)}for(const e of s)delete t[e]}(i),r}}class Q{constructor(){this.rt=[]}registerExtensions(t){return this.rt.push(...t),this}createDocument(t){return q.read(t,{extensions:this.rt})}createNativeDocument(t,s){if(s.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return K.write(t,s)}unpackGLB(t){const s=new Uint32Array(t,0,3);if(1179937895!==s[0])throw new Error("Invalid glTF asset.");if(2!==s[1])throw new Error(`Unsupported glTF binary version, "${s[1]}".`);const e=new Uint32Array(t,12,2),r=e[0],i=new Uint32Array(t,20+r,2);if(1313821514!==e[1]||5130562!==i[1])throw new Error("Unexpected GLB layout.");const n=y.decodeText(t.slice(20,20+r)),h=JSON.parse(n),o=20+r+8,u=t.slice(o,o+i[0]);return this.createDocument({json:h,resources:{xt:u}})}packGLB(t){const{json:s,resources:e}=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=JSON.stringify(s),i=y.pad(y.encodeText(r),32),n=new Uint32Array([i.byteLength,1313821514]).buffer,h=y.concat([n,i]),o=y.pad(Object.values(e)[0]||new ArrayBuffer(0),0),u=new Uint32Array([o.byteLength,5130562]).buffer,c=y.concat([u,o]),a=new Uint32Array([1179937895,2,12+h.byteLength+c.byteLength]).buffer;return y.concat([a,h,c])}}class tt extends Q{constructor(t,s){super(),this.fs=t,this.path=s}read(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)}write(t,s){t.match(/\.glb$/)?this.writeGLB(t,s):this.writeGLTF(t,s)}readGLB(t){const s=this.fs.readFileSync(t),e=y.trim(s);return this.unpackGLB(e)}readGLTF(t){const s=this.path.dirname(t),e={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[...e.json.images||[],...e.json.buffers||[]].forEach(t=>{if(t.uri&&!t.uri.match(/data:/)){const r=this.path.resolve(s,t.uri);e.resources[t.uri]=y.trim(this.fs.readFileSync(r))}else{const s=`__${R()}.${A.extension(t.uri)}`;e.resources[s]=y.createBufferFromDataURI(t.uri),t.uri=s}}),q.read(e,{extensions:this.rt})}writeGLTF(t,s){const e={basename:A.basename(t),isGLB:!1},{json:r,resources:i}=K.write(s,e),{fs:n,path:h}=this,o=h.dirname(t);n.writeFileSync(t,JSON.stringify(r,null,2)),Object.keys(i).forEach(t=>{const s=Buffer.from(i[t]);n.writeFileSync(h.join(o,t),s)})}writeGLB(t,s){const e=Buffer.from(this.packGLB(s));this.fs.writeFileSync(t,e)}}class st extends Q{constructor(t){super(),this.fetchConfig=t}read(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)}readGLTF(t){const s={json:{},resources:{}};return fetch(t,this.fetchConfig).then(t=>t.json()).then(t=>{s.json=t;const e=[...t.images,...t.buffers].map(t=>{if(t.uri)return fetch(t.uri,this.fetchConfig).then(t=>t.arrayBuffer()).then(e=>{s.resources[t.uri]=e})});return Promise.all(e).then(()=>this.createDocument(s))})}readGLB(t){return fetch(t,this.fetchConfig).then(t=>t.arrayBuffer()).then(t=>this.unpackGLB(t))}}export{f as Accessor,p as Animation,g as AnimationChannel,m as AnimationSampler,w as Buffer,y as BufferUtils,c as COPY_IDENTITY,v as Camera,J as Document,V as Extension,x as ExtensionProperty,A as FileUtils,h as Graph,o as GraphChild,T as ImageUtils,b as Logger,P as Material,O as Mesh,j as Node,tt as NodeIO,F as Primitive,G as PrimitiveTarget,a as Property,i as PropertyType,W as ReaderContext,D as Root,$ as Scene,z as Skin,I as Texture,C as TextureInfo,B as TextureLink,_ as TextureSampler,st as WebIO,X as WriterContext,R as uuid};
//# sourceMappingURL=core.modern.js.map

2

dist/core.umd.js

@@ -1,2 +0,2 @@

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o;(o=t.PropertyType||(t.PropertyType={})).ACCESSOR="Accessor",o.ANIMATION="Animation",o.ANIMATION_CHANNEL="AnimationChannel",o.ANIMATION_SAMPLER="AnimationSampler",o.BUFFER="Buffer",o.CAMERA="Camera",o.MATERIAL="Material",o.MESH="Mesh",o.PRIMITIVE="Primitive",o.PRIMITIVE_TARGET="PrimitiveTarget",o.NODE="Node",o.ROOT="Root",o.SCENE="Scene",o.SKIN="Skin",o.TEXTURE="Texture",o.TEXTURE_INFO="TextureInfo",o.TEXTURE_SAMPLER="TextureSampler";var h=function(){function t(t,n,r){if(this.t=t,this.i=n,this.u=r,this.s=!1,this.o=[],!n.canLink(r))throw new Error("Cannot link disconnected graphs/documents.")}var n=t.prototype;return n.getName=function(){return this.t},n.getParent=function(){return this.i},n.getChild=function(){return this.u},n.setChild=function(t){return this.u=t,this},n.dispose=function(){this.s||(this.s=!0,this.o.forEach(function(t){return t()}),this.o.length=0)},n.onDispose=function(t){return this.o.push(t),this},n.isDisposed=function(){return this.s},t}(),f=function(){function t(){this.h=[]}var n=t.prototype;return n.getLinks=function(){return this.h},n.listParents=function(t){return this.h.filter(function(n){return n.getChild()===t}).map(function(t){return t.getParent()})},n.listChildren=function(t){return this.h.filter(function(n){return n.getParent()===t}).map(function(t){return t.getChild()})},n.disconnectChildren=function(t){return this.h.filter(function(n){return n.getParent()===t}).forEach(function(t){return t.dispose()}),this},n.disconnectParents=function(t,n){var r=this.h.filter(function(n){return n.getChild()===t});return n&&(r=r.filter(function(t){return n(t.getParent())})),r.forEach(function(t){return t.dispose()}),this},n.link=function(t,n,r){if(!r)return null;var i=new h(t,n,r);return this.registerLink(i),i},n.registerLink=function(t){var n=this;return this.h.push(t),t.onDispose(function(){return n.unlink(t)}),t},n.unlink=function(t){return this.h=this.h.filter(function(n){return n!==t}),this},t}();function c(t,n){Object.defineProperty(t,n,{get:function(){return this["__"+n]},set:function(t){var r=this,i=this["__"+n];i&&!Array.isArray(i)&&i.dispose(),t&&!Array.isArray(t)&&t.onDispose(function(){r["__"+n]=null}),this["__"+n]=t},enumerable:!0})}function a(t,n){}var v=function(t){function n(n,r){var i;return void 0===r&&(r=""),(i=t.call(this,n)||this).v={},i.t="",i.t=r,i}i(n,t);var r=n.prototype;return r.getName=function(){return this.t},r.setName=function(t){return this.t=t,this},r.getExtras=function(){return this.v},r.setExtras=function(t){return this.v=t,this},r.clone=function(){throw new Error("Not implemented.")},r.detach=function(){return this.graph.disconnectParents(this,function(t){return"Root"!==t.propertyType}),this},r.listParents=function(){return this.listGraphParents()},n}(function(){function t(t){this.s=!1,this.graph=t}var n=t.prototype;return n.canLink=function(t){return this.graph===t.graph},n.isDisposed=function(){return 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t.isRequired()})},u.ut=function(t){if(this.it.has(t))throw new Error('Extension "'+t.extensionName+'" is already enabled.');return this.it.add(t),this},u.et=function(t){return this.it.delete(t),this},u.st=function(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))},u.listScenes=function(){return this.scenes.map(function(t){return t.getChild()})},u.ot=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},u.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},u.ht=function(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))},u.listCameras=function(){return this.cameras.map(function(t){return t.getChild()})},u.ft=function(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))},u.listSkins=function(){return this.skins.map(function(t){return t.getChild()})},u.ct=function(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))},u.listMeshes=function(){return this.meshes.map(function(t){return t.getChild()})},u.at=function(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))},u.listMaterials=function(){return this.materials.map(function(t){return t.getChild()})},u.vt=function(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))},u.listTextures=function(){return this.textures.map(function(t){return t.getChild()})},u.lt=function(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))},u.listAnimations=function(){return this.animations.map(function(t){return t.getChild()})},u.dt=function(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))},u.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},u.wt=function(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))},u.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},r}(v);s([a],J.prototype,"scenes",void 0),s([a],J.prototype,"nodes",void 0),s([a],J.prototype,"cameras",void 0),s([a],J.prototype,"skins",void 0),s([a],J.prototype,"meshes",void 0),s([a],J.prototype,"materials",void 0),s([a],J.prototype,"textures",void 0),s([a],J.prototype,"animations",void 0),s([a],J.prototype,"accessors",void 0),s([a],J.prototype,"buffers",void 0);var z=function(n){function r(){var r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.SCENE,r.nodes=[],r}i(r,n);var u=r.prototype;return u.addNode=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},u.removeNode=function(t){return this.removeGraphChild(this.nodes,t)},u.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},r}(l);s([a],z.prototype,"nodes",void 0);var $=function(n){function r(){var r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.SKIN,r.skeleton=null,r.inverseBindMatrices=null,r.joints=[],r}i(r,n);var u=r.prototype;return u.getSkeleton=function(){return this.skeleton?this.skeleton.getChild():null},u.setSkeleton=function(t){return this.skeleton=this.graph.link("skeleton",this,t),this},u.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},u.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this},u.addJoint=function(t){var n=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,n)},u.removeJoint=function(t){return this.removeGraphChild(this.joints,t)},u.listJoints=function(){return this.joints.map(function(t){return t.getChild()})},r}(l);s([c],$.prototype,"skeleton",void 0),s([c],$.prototype,"inverseBindMatrices",void 0),s([a],$.prototype,"joints",void 0);var Y=function(){function t(){this.graph=new B,this.root=new J(this.graph),this.logger=new S(S.Verbosity.INFO)}var n=t.prototype;return n.getRoot=function(){return this.root},n.getGraph=function(){return this.graph},n.getLogger=function(){return this.logger},n.setLogger=function(t){return this.logger=t,this},n.clone=function(){throw new Error("Not implemented.")},n.transform=function(){for(var t,n=e([].slice.call(arguments));!(t=n()).done;){var r=t.value;r(this)}return this},n.createExtension=function(t){return this.getRoot().listExtensionsUsed().find(function(n){return n.extensionName===t.EXTENSION_NAME})||new t(this)},n.createScene=function(t){var n=new z(this.graph,t);return this.root.st(n),n},n.createNode=function(t){var n=new F(this.graph,t);return this.root.ot(n),n},n.createCamera=function(t){var n=new m(this.graph,t);return this.root.ht(n),n},n.createSkin=function(t){var n=new $(this.graph,t);return this.root.ft(n),n},n.createMesh=function(t){var n=new V(this.graph,t);return this.root.ct(n),n},n.createPrimitive=function(){return new D(this.graph)},n.createPrimitiveTarget=function(t){return new G(this.graph,t)},n.createMaterial=function(t){var n=new P(this.graph,t);return this.root.at(n),n},n.createTexture=function(t){var n=new _(this.graph,t);return this.root.vt(n),n},n.createAnimation=function(t){var n=new p(this.graph,t);return this.root.lt(n),n},n.createAnimationChannel=function(){return new A(this.graph)},n.createAnimationSampler=function(){return new y(this.graph)},n.createAccessor=function(t,n){void 0===n&&(n=null),n||(n=this.getRoot().listBuffers()[0]);var r=new d(this.graph,t).setBuffer(n);return this.root.dt(r),r},n.createBuffer=function(t){var n=new b(this.graph,t);return this.root.wt(n),n},t}(),q=function(){function t(t){this.doc=t,this.pt=!1,this.At=new Set,t.getRoot().ut(this)}var n=t.prototype;return n.dispose=function(){this.doc.getRoot().et(this);for(var t,n=e(this.At);!(t=n()).done;)t.value.dispose()},n.isRequired=function(){return this.pt},n.setRequired=function(t){return this.pt=t,this},n.addExtensionProperty=function(t){return this.At.add(t),this},n.removeExtensionProperty=function(t){return this.At.delete(t),this},t}(),H=function(){function t(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}var n=t.prototype;return n.setTextureInfo=function(t,n){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)},n.setTextureSampler=function(t,n){var r=this.nativeDocument.json.textures[n.index];if(void 0!==r.sampler){var i=this.nativeDocument.json.samplers[r.sampler];void 0!==i.magFilter&&t.setMagFilter(i.magFilter),void 0!==i.minFilter&&t.setMinFilter(i.minFilter),void 0!==i.wrapS&&t.setWrapS(i.wrapS),void 0!==i.wrapT&&t.setWrapT(i.wrapT)}},t}(),K={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Q=function(){function t(){}return t.read=function(t,i){var u=t.json,s=new Y;if("2.0"!==u.asset.version)throw new Error('Unsupported glTF version: "'+u.asset.version+'".');var o=new H(t);o.buffers=(u.buffers||[]).map(function(t){var n=s.createBuffer(t.name);return t.uri&&0!==t.uri.indexOf("__")&&n.setURI(t.uri),n}),o.bufferViewBuffers=(u.bufferViews||[]).map(function(t){return o.buffers[t.buffer]}),o.accessors=(u.accessors||[]).map(function(n){var i,u=s.createAccessor(n.name,o.bufferViewBuffers[n.bufferView]);return u.setType(n.type),i=void 0!==n.sparse?function(t,n){var i,u=K[t.componentType],e=d.getElementSize(t.type);i=void 0!==t.bufferView?W(t,n).slice():new u(t.count*e);for(var s=t.sparse.count,o=r(r(r({},t),t.sparse.indices),{},{count:s,type:"SCALAR"}),h=r(r(r({},t),t.sparse.values),{},{count:s}),f=W(o,n),c=W(h,n),a=0;a<o.count;a++)for(var v=0;v<e;v++)i[f[a]*e+v]=c[a*e+v];return i}(n,t):W(n,t).slice(),void 0!==n.normalized&&u.setNormalized(n.normalized),u.setArray(i),u});var h=u.textures||[];o.textures=(u.images||[]).map(function(n){var r=s.createTexture(n.name);if(void 0!==n.bufferView){var i=u.bufferViews[n.bufferView],e=t.json.buffers[i.buffer],o=i.byteOffset||0,h=(e.uri?t.resources[e.uri]:t.resources["yt"]).slice(o,o+i.byteLength);r.setImage(h)}else void 0!==n.uri&&(r.setImage(t.resources[n.uri]),0!==n.uri.indexOf("__")&&r.setURI(n.uri));if(void 0!==n.mimeType)r.setMimeType(n.mimeType);else if(n.uri){var f=g.extension(n.uri);r.setMimeType(M.extensionToMimeType(f))}return r}),o.materials=(u.materials||[]).map(function(t){var n=s.createMaterial(t.name);void 0!==t.alphaMode&&n.setAlphaMode(t.alphaMode),void 0!==t.alphaCutoff&&n.setAlphaCutoff(t.alphaCutoff),void 0!==t.doubleSided&&n.setDoubleSided(t.doubleSided);var r=t.pbrMetallicRoughness||{};if(void 0!==r.baseColorFactor&&n.setBaseColorFactor(r.baseColorFactor),void 0!==t.emissiveFactor&&n.setEmissiveFactor(t.emissiveFactor),void 0!==r.metallicFactor&&n.setMetallicFactor(r.metallicFactor),void 0!==r.roughnessFactor&&n.setRoughnessFactor(r.roughnessFactor),void 0!==r.baseColorTexture){var i=r.baseColorTexture;n.setBaseColorTexture(o.textures[h[i.index].source]),o.setTextureInfo(n.getBaseColorTextureInfo(),i),o.setTextureSampler(n.getBaseColorTextureSampler(),i)}if(void 0!==t.emissiveTexture){var u=t.emissiveTexture;n.setEmissiveTexture(o.textures[h[u.index].source]),o.setTextureInfo(n.getEmissiveTextureInfo(),u),o.setTextureSampler(n.getEmissiveTextureSampler(),u)}if(void 0!==t.normalTexture){var e=t.normalTexture;n.setNormalTexture(o.textures[h[e.index].source]),o.setTextureInfo(n.getNormalTextureInfo(),e),o.setTextureSampler(n.getNormalTextureSampler(),e),void 0!==t.normalTexture.scale&&n.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){var f=t.occlusionTexture;n.setOcclusionTexture(o.textures[h[f.index].source]),o.setTextureInfo(n.getOcclusionTextureInfo(),f),o.setTextureSampler(n.getOcclusionTextureSampler(),f),void 0!==t.occlusionTexture.strength&&n.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==r.metallicRoughnessTexture){var c=r.metallicRoughnessTexture;n.setMetallicRoughnessTexture(o.textures[h[c.index].source]),o.setTextureInfo(n.getMetallicRoughnessTextureInfo(),c),o.setTextureSampler(n.getMetallicRoughnessTextureSampler(),c)}return n}),o.meshes=(u.meshes||[]).map(function(t){var n=s.createMesh(t.name);return void 0!==t.weights&&n.setWeights(t.weights),t.primitives.forEach(function(r){var i=s.createPrimitive();void 0!==r.material&&i.setMaterial(o.materials[r.material]),void 0!==r.mode&&i.setMode(r.mode);for(var u=0,e=Object.entries(r.attributes||{});u<e.length;u++){var h=e[u];i.setAttribute(h[0],o.accessors[h[1]])}void 0!==r.indices&&i.setIndices(o.accessors[r.indices]);var f=t.extras&&t.extras.targetNames||[];(r.targets||[]).forEach(function(t,n){for(var r=f[n]||n.toString(),u=s.createPrimitiveTarget(r),e=0,h=Object.entries(t);e<h.length;e++){var c=h[e];u.setAttribute(c[0],o.accessors[c[1]])}i.addTarget(u)}),n.addPrimitive(i)}),n}),o.cameras=(u.cameras||[]).map(function(t){var n=s.createCamera(t.name).setType(t.type);return"perspective"===t.type?n.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):n.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),n});var f=u.nodes||[];o.nodes=f.map(function(t){var r=s.createNode(t.name);return void 0!==t.translation&&r.setTranslation(t.translation),void 0!==t.rotation&&r.setRotation(t.rotation),void 0!==t.scale&&r.setScale(t.scale),void 0!==t.matrix&&(r.setTranslation(n.getTranslation([],t.matrix)),r.setRotation(n.getRotation([],t.matrix)),r.setScale(n.getScaling([],t.matrix))),void 0!==t.weights&&r.setWeights(t.weights),r}),o.skins=(u.skins||[]).map(function(t){var n=s.createSkin(t.name);void 0!==t.inverseBindMatrices&&n.setInverseBindMatrices(o.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&n.setSkeleton(o.nodes[t.skeleton]);for(var r,i=e(t.joints);!(r=i()).done;)n.addJoint(o.nodes[r.value]);return n}),f.map(function(t,n){var r=o.nodes[n];(t.children||[]).forEach(function(t){return r.addChild(o.nodes[t])}),void 0!==t.mesh&&r.setMesh(o.meshes[t.mesh]),void 0!==t.camera&&r.setCamera(o.cameras[t.camera]),void 0!==t.skin&&r.setSkin(o.skins[t.skin])}),o.animations=(u.animations||[]).map(function(t){var n=s.createAnimation(t.name),r=(t.samplers||[]).map(function(t){var r=s.createAnimationSampler().setInput(o.accessors[t.input]).setOutput(o.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return n.addSampler(r),r});return(t.channels||[]).forEach(function(t){var i=s.createAnimationChannel().setSampler(r[t.sampler]).setTargetNode(o.nodes[t.target.node]).setTargetPath(t.target.path);n.addChannel(i)}),n}),o.scenes=(u.scenes||[]).map(function(t){var n=s.createScene(t.name);return(t.nodes||[]).map(function(t){return o.nodes[t]}).forEach(function(t){return n.addNode(t)}),n});for(var c,a=u.extensionsUsed||[],v=u.extensionsRequired||[],l=e(i.extensions);!(c=l()).done;){var w=c.value;a.includes(w.EXTENSION_NAME)&&s.createExtension(w).setRequired(v.includes(w.EXTENSION_NAME)).read(o)}return s},t}();function W(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["yt"],e=K[t.componentType],s=d.getElementSize(t.type);if(void 0!==r.byteStride&&r.byteStride!==s*e.BYTES_PER_ELEMENT)return function(t,n){for(var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["yt"],e=K[t.componentType],s=d.getElementSize(t.type),o=e.BYTES_PER_ELEMENT,h=t.byteOffset||0,f=new e(t.count*s),c=new DataView(u,r.byteOffset,r.byteLength),a=r.byteStride,v=0;v<t.count;v++)for(var l=0;l<s;l++){var w=h+v*a+l*o,p=void 0;switch(t.componentType){case 5126:p=c.getFloat32(w,!0);break;case 5125:p=c.getUint32(w,!0);break;case 5123:p=c.getUint16(w,!0);break;case 5121:p=c.getUint8(w);break;case 5122:p=c.getInt16(w,!0);break;case 5120:p=c.getInt8(w);break;default:throw new Error('Unexpected componentType "'+t.componentType+'".')}f[v*s+l]=p}return f}(t,n);var o=(r.byteOffset||0)+(t.byteOffset||0);switch(t.componentType){case 5126:return new Float32Array(u,o,t.count*s);case 5125:return new Uint32Array(u,o,t.count*s);case 5123:return new Uint16Array(u,o,t.count*s);case 5121:return new Uint8Array(u,o,t.count*s);case 5122:return new Int16Array(u,o,t.count*s);case 5120:return new Int8Array(u,o,t.count*s);default:throw new Error('Unexpected componentType "'+t.componentType+'".')}}var X=function(){function t(t,n){this.nativeDocument=t,this.options=n,this.accessorIndexMap=new Map,this.cameraIndexMap=new Map,this.skinIndexMap=new Map,this.materialIndexMap=new Map,this.meshIndexMap=new Map,this.nodeIndexMap=new Map,this.imageIndexMap=new Map,this.textureDefIndexMap=new Map,this.samplerDefIndexMap=new Map,this.imageData=[]}var n=t.prototype;return n.createTextureInfoDef=function(t,n,r){var i={magFilter:r.getMagFilter()||void 0,minFilter:r.getMinFilter()||void 0,wrapS:r.getWrapS(),wrapT:r.getWrapT()},u=JSON.stringify(i);this.samplerDefIndexMap.has(u)||(this.samplerDefIndexMap.set(u,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(i));var e={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(u)},s=JSON.stringify(e);return this.textureDefIndexMap.has(s)||(this.textureDefIndexMap.set(s,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(e)),{index:this.textureDefIndexMap.get(s),texCoord:n.getTexCoord()}},n.createPropertyDef=function(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),n},n.createAccessorDef=function(t){var n=this.createPropertyDef(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n},n.createImageData=function(t,n,r){if(this.options.isGLB)this.imageData.push(n),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:n.byteLength});else{var i=M.mimeTypeToExtension(r.getMimeType());t.uri=this.imageURIGenerator.createURI(r,i),this.nativeDocument.resources[t.uri]=n}},t}(),Z=function(){function t(t,n){this.multiple=t,this.basename=n,this.counter=1}return t.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n},t}(),tt=function(){function t(){}return t.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},u=i.json,s=new X(i,n),o=r.listBuffers().length,h=r.listTextures().length;function f(t,n,r,i){for(var o,h=[],f=0,c=e(t);!(o=c()).done;){var 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t.isRequired()})},u.ut=function(t){if(this.it.has(t))throw new Error('Extension "'+t.extensionName+'" is already enabled.');return this.it.add(t),this},u.et=function(t){return this.it.delete(t),this},u.st=function(t){return this.addGraphChild(this.scenes,this.graph.link("scene",this,t))},u.listScenes=function(){return this.scenes.map(function(t){return t.getChild()})},u.ot=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},u.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},u.ht=function(t){return this.addGraphChild(this.cameras,this.graph.link("camera",this,t))},u.listCameras=function(){return this.cameras.map(function(t){return t.getChild()})},u.ft=function(t){return this.addGraphChild(this.skins,this.graph.link("skin",this,t))},u.listSkins=function(){return this.skins.map(function(t){return t.getChild()})},u.ct=function(t){return this.addGraphChild(this.meshes,this.graph.link("mesh",this,t))},u.listMeshes=function(){return this.meshes.map(function(t){return t.getChild()})},u.at=function(t){return this.addGraphChild(this.materials,this.graph.link("material",this,t))},u.listMaterials=function(){return this.materials.map(function(t){return t.getChild()})},u.vt=function(t){return this.addGraphChild(this.textures,this.graph.link("texture",this,t))},u.listTextures=function(){return this.textures.map(function(t){return t.getChild()})},u.lt=function(t){return this.addGraphChild(this.animations,this.graph.link("animation",this,t))},u.listAnimations=function(){return this.animations.map(function(t){return t.getChild()})},u.dt=function(t){return this.addGraphChild(this.accessors,this.graph.link("accessor",this,t))},u.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},u.wt=function(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))},u.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},r}(l);s([v],z.prototype,"scenes",void 0),s([v],z.prototype,"nodes",void 0),s([v],z.prototype,"cameras",void 0),s([v],z.prototype,"skins",void 0),s([v],z.prototype,"meshes",void 0),s([v],z.prototype,"materials",void 0),s([v],z.prototype,"textures",void 0),s([v],z.prototype,"animations",void 0),s([v],z.prototype,"accessors",void 0),s([v],z.prototype,"buffers",void 0);var $=function(n){function r(){var r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.SCENE,r.nodes=[],r}i(r,n);var u=r.prototype;return u.addNode=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},u.removeNode=function(t){return this.removeGraphChild(this.nodes,t)},u.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},r}(d);s([v],$.prototype,"nodes",void 0);var q=function(n){function r(){var r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.SKIN,r.skeleton=null,r.inverseBindMatrices=null,r.joints=[],r}i(r,n);var u=r.prototype;return u.getSkeleton=function(){return this.skeleton?this.skeleton.getChild():null},u.setSkeleton=function(t){return this.skeleton=this.graph.link("skeleton",this,t),this},u.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},u.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.graph.link("inverseBindMatrices",this,t),this},u.addJoint=function(t){var n=this.graph.link("joint",this,t);return this.addGraphChild(this.joints,n)},u.removeJoint=function(t){return this.removeGraphChild(this.joints,t)},u.listJoints=function(){return this.joints.map(function(t){return t.getChild()})},r}(d);s([a],q.prototype,"skeleton",void 0),s([a],q.prototype,"inverseBindMatrices",void 0),s([v],q.prototype,"joints",void 0);var Y=function(){function t(){this.graph=new P,this.root=new z(this.graph),this.logger=new R(R.Verbosity.INFO)}var n=t.prototype;return n.getRoot=function(){return this.root},n.getGraph=function(){return this.graph},n.getLogger=function(){return this.logger},n.setLogger=function(t){return this.logger=t,this},n.clone=function(){throw new Error("Not implemented.")},n.transform=function(){for(var t,n=e([].slice.call(arguments));!(t=n()).done;){var r=t.value;r(this)}return this},n.createExtension=function(t){return this.getRoot().listExtensionsUsed().find(function(n){return n.extensionName===t.EXTENSION_NAME})||new t(this)},n.createScene=function(t){var n=new $(this.graph,t);return this.root.st(n),n},n.createNode=function(t){var n=new J(this.graph,t);return this.root.ot(n),n},n.createCamera=function(t){var n=new E(this.graph,t);return this.root.ht(n),n},n.createSkin=function(t){var n=new q(this.graph,t);return this.root.ft(n),n},n.createMesh=function(t){var n=new D(this.graph,t);return this.root.ct(n),n},n.createPrimitive=function(){return new G(this.graph)},n.createPrimitiveTarget=function(t){return new F(this.graph,t)},n.createMaterial=function(t){var n=new V(this.graph,t);return this.root.at(n),n},n.createTexture=function(t){var n=new O(this.graph,t);return this.root.vt(n),n},n.createAnimation=function(t){var n=new A(this.graph,t);return this.root.lt(n),n},n.createAnimationChannel=function(){return new y(this.graph)},n.createAnimationSampler=function(){return new m(this.graph)},n.createAccessor=function(t,n){void 0===n&&(n=null),n||(n=this.getRoot().listBuffers()[0]);var r=new w(this.graph,t).setBuffer(n);return this.root.dt(r),r},n.createBuffer=function(t){var n=new b(this.graph,t);return this.root.wt(n),n},t}(),H=function(){function t(t){this.doc=t,this.pt=!1,this.At=new Set,t.getRoot().ut(this)}var n=t.prototype;return n.dispose=function(){this.doc.getRoot().et(this);for(var t,n=e(this.At);!(t=n()).done;)t.value.dispose()},n.isRequired=function(){return this.pt},n.setRequired=function(t){return this.pt=t,this},n.addExtensionProperty=function(t){return this.At.add(t),this},n.removeExtensionProperty=function(t){return 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0!==t.emissiveFactor&&n.setEmissiveFactor(t.emissiveFactor),void 0!==r.metallicFactor&&n.setMetallicFactor(r.metallicFactor),void 0!==r.roughnessFactor&&n.setRoughnessFactor(r.roughnessFactor),void 0!==r.baseColorTexture){var i=r.baseColorTexture;n.setBaseColorTexture(c.textures[a[i.index].source]),c.setTextureInfo(n.getBaseColorTextureInfo(),i),c.setTextureSampler(n.getBaseColorTextureSampler(),i)}if(void 0!==t.emissiveTexture){var u=t.emissiveTexture;n.setEmissiveTexture(c.textures[a[u.index].source]),c.setTextureInfo(n.getEmissiveTextureInfo(),u),c.setTextureSampler(n.getEmissiveTextureSampler(),u)}if(void 0!==t.normalTexture){var e=t.normalTexture;n.setNormalTexture(c.textures[a[e.index].source]),c.setTextureInfo(n.getNormalTextureInfo(),e),c.setTextureSampler(n.getNormalTextureSampler(),e),void 0!==t.normalTexture.scale&&n.setNormalScale(t.normalTexture.scale)}if(void 0!==t.occlusionTexture){var o=t.occlusionTexture;n.setOcclusionTexture(c.textures[a[o.index].source]),c.setTextureInfo(n.getOcclusionTextureInfo(),o),c.setTextureSampler(n.getOcclusionTextureSampler(),o),void 0!==t.occlusionTexture.strength&&n.setOcclusionStrength(t.occlusionTexture.strength)}if(void 0!==r.metallicRoughnessTexture){var h=r.metallicRoughnessTexture;n.setMetallicRoughnessTexture(c.textures[a[h.index].source]),c.setTextureInfo(n.getMetallicRoughnessTextureInfo(),h),c.setTextureSampler(n.getMetallicRoughnessTextureSampler(),h)}return n}),c.meshes=(u.meshes||[]).map(function(t){var n=s.createMesh(t.name);return void 0!==t.weights&&n.setWeights(t.weights),t.primitives.forEach(function(r){var i=s.createPrimitive();void 0!==r.material&&i.setMaterial(c.materials[r.material]),void 0!==r.mode&&i.setMode(r.mode);for(var u=0,e=Object.entries(r.attributes||{});u<e.length;u++){var o=e[u];i.setAttribute(o[0],c.accessors[o[1]])}void 0!==r.indices&&i.setIndices(c.accessors[r.indices]);var h=t.extras&&t.extras.targetNames||[];(r.targets||[]).forEach(function(t,n){for(var r=h[n]||n.toString(),u=s.createPrimitiveTarget(r),e=0,o=Object.entries(t);e<o.length;e++){var f=o[e];u.setAttribute(f[0],c.accessors[f[1]])}i.addTarget(u)}),n.addPrimitive(i)}),n}),c.cameras=(u.cameras||[]).map(function(t){var n=s.createCamera(t.name).setType(t.type);return"perspective"===t.type?n.setZNear(t.perspective.znear).setZFar(t.perspective.zfar).setYFov(t.perspective.yfov).setAspectRatio(t.perspective.aspectRatio):n.setZNear(t.orthographic.znear).setZFar(t.orthographic.zfar).setXMag(t.orthographic.xmag).setYMag(t.orthographic.ymag),n});var v=u.nodes||[];c.nodes=v.map(function(t){var r=s.createNode(t.name);return void 0!==t.translation&&r.setTranslation(t.translation),void 0!==t.rotation&&r.setRotation(t.rotation),void 0!==t.scale&&r.setScale(t.scale),void 0!==t.matrix&&(r.setTranslation(n.getTranslation([],t.matrix)),r.setRotation(n.getRotation([],t.matrix)),r.setScale(n.getScaling([],t.matrix))),void 0!==t.weights&&r.setWeights(t.weights),r}),c.skins=(u.skins||[]).map(function(t){var n=s.createSkin(t.name);void 0!==t.inverseBindMatrices&&n.setInverseBindMatrices(c.accessors[t.inverseBindMatrices]),void 0!==t.skeleton&&n.setSkeleton(c.nodes[t.skeleton]);for(var r,i=e(t.joints);!(r=i()).done;)n.addJoint(c.nodes[r.value]);return n}),v.map(function(t,n){var r=c.nodes[n];(t.children||[]).forEach(function(t){return r.addChild(c.nodes[t])}),void 0!==t.mesh&&r.setMesh(c.meshes[t.mesh]),void 0!==t.camera&&r.setCamera(c.cameras[t.camera]),void 0!==t.skin&&r.setSkin(c.skins[t.skin])}),c.animations=(u.animations||[]).map(function(t){var n=s.createAnimation(t.name),r=(t.samplers||[]).map(function(t){var r=s.createAnimationSampler().setInput(c.accessors[t.input]).setOutput(c.accessors[t.output]).setInterpolation(t.interpolation||"LINEAR");return n.addSampler(r),r});return(t.channels||[]).forEach(function(t){var i=s.createAnimationChannel().setSampler(r[t.sampler]).setTargetNode(c.nodes[t.target.node]).setTargetPath(t.target.path);n.addChannel(i)}),n}),c.scenes=(u.scenes||[]).map(function(t){var n=s.createScene(t.name);return(t.nodes||[]).map(function(t){return c.nodes[t]}).forEach(function(t){return n.addNode(t)}),n});for(var l,d=u.extensionsUsed||[],p=u.extensionsRequired||[],A=e(i.extensions);!(l=A()).done;){var y=l.value;d.includes(y.EXTENSION_NAME)&&s.createExtension(y).setRequired(p.includes(y.EXTENSION_NAME)).read(c)}return s},t}();function X(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["yt"],e=Q[t.componentType],s=w.getElementSize(t.type);if(void 0!==r.byteStride&&r.byteStride!==s*e.BYTES_PER_ELEMENT)return function(t,n){for(var 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Int8Array(u,o,t.count*s);default:throw new Error('Unexpected componentType "'+t.componentType+'".')}}var Z=function(){function t(t,n){this.nativeDocument=t,this.options=n,this.accessorIndexMap=new Map,this.cameraIndexMap=new Map,this.skinIndexMap=new Map,this.materialIndexMap=new Map,this.meshIndexMap=new Map,this.nodeIndexMap=new Map,this.imageIndexMap=new Map,this.textureDefIndexMap=new Map,this.samplerDefIndexMap=new Map,this.imageData=[]}var n=t.prototype;return n.createTextureInfoDef=function(t,n,r){var i={magFilter:r.getMagFilter()||void 0,minFilter:r.getMinFilter()||void 0,wrapS:r.getWrapS(),wrapT:r.getWrapT()},u=JSON.stringify(i);this.samplerDefIndexMap.has(u)||(this.samplerDefIndexMap.set(u,this.nativeDocument.json.samplers.length),this.nativeDocument.json.samplers.push(i));var e={source:this.imageIndexMap.get(t),sampler:this.samplerDefIndexMap.get(u)},s=JSON.stringify(e);return this.textureDefIndexMap.has(s)||(this.textureDefIndexMap.set(s,this.nativeDocument.json.textures.length),this.nativeDocument.json.textures.push(e)),{index:this.textureDefIndexMap.get(s),texCoord:n.getTexCoord()}},n.createPropertyDef=function(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),n},n.createAccessorDef=function(t){var n=this.createPropertyDef(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n},n.createImageData=function(t,n,r){if(this.options.isGLB)this.imageData.push(n),t.bufferView=this.nativeDocument.json.bufferViews.length,this.nativeDocument.json.bufferViews.push({buffer:0,byteOffset:-1,byteLength:n.byteLength});else{var i=x.mimeTypeToExtension(r.getMimeType());t.uri=this.imageURIGenerator.createURI(r,i),this.nativeDocument.resources[t.uri]=n}},t}(),tt=function(){function t(t,n){this.multiple=t,this.basename=n,this.counter=1}return t.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n},t}(),nt=function(){function t(){}return t.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},u=i.json;u.asset.generator="glTF-Transform "+h;var s=new Z(i,n),o=r.listBuffers().length,f=r.listTextures().length;function c(t,n,r,i){for(var o,h=[],f=0,c=e(t);!(o=c()).done;){var a=o.value,v=s.createAccessorDef(a);v.bufferView=u.bufferViews.length;var l=g.pad(a.getArray().buffer);v.byteOffset=f,f+=l.byteLength,h.push(l),s.accessorIndexMap.set(a,u.accessors.length),u.accessors.push(v)}var d={buffer:n,byteOffset:r,byteLength:g.concat(h).byteLength};return i&&(d.target=i),u.bufferViews.push(d),{buffers:h,byteLength:f}}function a(t,n,r){for(var i,o=t[0].getCount(),h=0,f=e(t);!(i=f()).done;){var c=i.value,a=s.createAccessorDef(c);a.bufferView=u.bufferViews.length,a.byteOffset=h;var v=c.getElementSize(),l=c.getComponentSize();h+=g.padNumber(v*l),s.accessorIndexMap.set(c,u.accessors.length),u.accessors.push(a)}for(var d=o*h,w=new ArrayBuffer(d),p=new DataView(w),A=0;A<o;A++)for(var y,m=0,b=e(t);!(y=b()).done;){for(var E=y.value,T=E.getElementSize(),M=E.getComponentSize(),x=E.getComponentType(),S=E.getArray(),R=0;R<T;R++){var N=A*h+m+R*M,U=S[A*T+R];switch(x){case 5126:p.setFloat32(N,U,!0);break;case 5120:p.setInt8(N,U);break;case 5122:p.setInt16(N,U,!0);break;case 5121:p.setUint8(N,U);break;case 5123:p.setUint16(N,U,!0);break;case 5125:p.setUint32(N,U,!0);break;default:throw new Error("Unexpected component type: "+x)}}m+=g.padNumber(T*M)}return u.bufferViews.push({buffer:n,byteOffset:r,byteLength:d,byteStride:h,target:34962}),{byteLength:d,buffers:[w]}}s.bufferURIGenerator=new tt(o>1,n.basename),s.imageURIGenerator=new tt(f>1,n.basename),s.logger=t.getLogger();for(var v,l=new Map,d=e(t.getGraph().getLinks());!(v=d()).done;){var p=v.value;if(p.getParent()!==r){var A=p.getChild();if(A instanceof w){var y=l.get(A)||[];y.push(p),l.set(A,y)}}}return u.accessors=[],u.bufferViews=[],u.samplers=[],u.textures=[],u.images=r.listTextures().map(function(t,n){var r=s.createPropertyDef(t);return t.getMimeType()&&(r.mimeType=t.getMimeType()),t.getImage()&&s.createImageData(r,t.getImage(),t),s.imageIndexMap.set(t,n),r}),u.buffers=[],r.listBuffers().forEach(function(t){for(var r,o=s.createPropertyDef(t),h=new Map,f=new Set,v=new Set,d=e(t.listParents().filter(function(t){return!(t instanceof z)}));!(r=d()).done;){var p=r.value;if(!(p instanceof w))throw new Error("Unimplemented buffer reference: "+p);for(var A,y=!1,m=!1,b=!1,E=l.get(p)||[],T=e(E);!(A=T()).done;){var M=A.value;M instanceof C?y=!0:M instanceof B?m=!0:b=!0}if(y||m||b||(b=!0),!y||m||b)if(!m||y||b){if(!b||y||m)throw new Error("Attribute or index accessors must be used only for that purpose.");v.add(p)}else f.add(p);else{var x=E[0].getParent(),S=h.get(x)||new Set;S.add(p),h.set(x,S)}}var R,N=[],U=u.buffers.length,I=0;if(f.size){var _=c(Array.from(f),U,I,34963);I+=_.byteLength,N.push.apply(N,_.buffers)}for(var O=0,j=Array.from(h.values());O<j.length;O++){var L=j[O];if(L.size){var k=a(Array.from(L),U,I);I+=k.byteLength,N.push.apply(N,k.buffers)}}if(v.size){var P=c(Array.from(v),U,I);I+=P.byteLength,N.push.apply(N,P.buffers)}if(s.imageData.length)for(var V=0;V<s.imageData.length;V++)u.bufferViews[u.images[V].bufferView].byteOffset=I,I+=s.imageData[V].byteLength,N.push(s.imageData[V]);I?(n.isGLB?R="__glb.bin":(R=s.bufferURIGenerator.createURI(t,"bin"),o.uri=R),o.byteLength=I,i.resources[R]=g.concat(N),u.buffers.push(o)):s.logger.warn('@gltf-transform/core: Skipping empty buffer, "'+t.getName()+'".')}),u.materials=r.listMaterials().map(function(t,n){var r=s.createPropertyDef(t);if(r.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(r.alphaCutoff=t.getAlphaCutoff()),r.doubleSided=t.getDoubleSided(),r.pbrMetallicRoughness={},r.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),r.emissiveFactor=t.getEmissiveFactor(),r.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),r.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){var i=t.getBaseColorTexture(),u=t.getBaseColorTextureInfo(),e=t.getBaseColorTextureSampler();r.pbrMetallicRoughness.baseColorTexture=s.createTextureInfoDef(i,u,e)}if(t.getEmissiveTexture()){var o=t.getEmissiveTexture(),h=t.getEmissiveTextureInfo(),f=t.getEmissiveTextureSampler();r.emissiveTexture=s.createTextureInfoDef(o,h,f)}if(t.getNormalTexture()){var c=t.getNormalTexture(),a=t.getNormalTextureInfo(),v=t.getNormalTextureSampler(),l=s.createTextureInfoDef(c,a,v);1!==t.getNormalScale()&&(l.scale=t.getNormalScale()),r.normalTexture=l}if(t.getOcclusionTexture()){var d=t.getOcclusionTexture(),w=t.getOcclusionTextureInfo(),p=t.getOcclusionTextureSampler(),A=s.createTextureInfoDef(d,w,p);1!==t.getOcclusionStrength()&&(A.strength=t.getOcclusionStrength()),r.occlusionTexture=A}if(t.getMetallicRoughnessTexture()){var y=t.getMetallicRoughnessTexture(),m=t.getMetallicRoughnessTextureInfo(),b=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=s.createTextureInfoDef(y,m,b)}return s.materialIndexMap.set(t,n),r}),u.meshes=r.listMeshes().map(function(t,n){var r,i=s.createPropertyDef(t);return i.primitives=t.listPrimitives().map(function(t){var n={attributes:{}};n.material=s.materialIndexMap.get(t.getMaterial()),n.mode=t.getMode(),t.getIndices()&&(n.indices=s.accessorIndexMap.get(t.getIndices()));for(var i,u=e(t.listSemantics());!(i=u()).done;){var o=i.value;n.attributes[o]=s.accessorIndexMap.get(t.getAttribute(o))}for(var h,f=e(t.listTargets());!(h=f()).done;){for(var c,a=h.value,v={},l=e(a.listSemantics());!(c=l()).done;){var d=c.value;v[d]=s.accessorIndexMap.get(a.getAttribute(d))}n.targets=n.targets||[],n.targets.push(v)}return t.listTargets().length&&!r&&(r=t.listTargets().map(function(t){return t.getName()})),n}),t.getWeights().length&&(i.weights=t.getWeights()),r&&(i.extras=i.extras||{},i.extras.targetNames=r),s.meshIndexMap.set(t,n),i}),u.cameras=r.listCameras().map(function(t,n){var r=s.createPropertyDef(t);return r.type=t.getType(),"perspective"===r.type?r.perspective={znear:t.getZNear(),zfar:t.getZFar(),yfov:t.getYFov(),aspectRatio:t.getAspectRatio()}:r.orthographic={znear:t.getZNear(),zfar:t.getZFar(),xmag:t.getXMag(),ymag:t.getYMag()},s.cameraIndexMap.set(t,n),r}),u.nodes=r.listNodes().map(function(t,n){var r=s.createPropertyDef(t);return r.translation=t.getTranslation(),r.rotation=t.getRotation(),r.scale=t.getScale(),t.getWeights().length&&(r.weights=t.getWeights()),s.nodeIndexMap.set(t,n),r}),u.skins=r.listSkins().map(function(t,n){var r=s.createPropertyDef(t);return t.getInverseBindMatrices()&&(r.inverseBindMatrices=s.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(r.skeleton=s.nodeIndexMap.get(t.getSkeleton())),r.joints=t.listJoints().map(function(t){return s.nodeIndexMap.get(t)}),s.skinIndexMap.set(t,n),r}),r.listNodes().forEach(function(t,n){var r=u.nodes[n];t.getMesh()&&(r.mesh=s.meshIndexMap.get(t.getMesh())),t.getCamera()&&(r.camera=s.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(r.skin=s.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(r.children=t.listChildren().map(function(t){return s.nodeIndexMap.get(t)}))}),u.animations=r.listAnimations().map(function(t){var n=s.createPropertyDef(t),r=new Map;return n.samplers=t.listSamplers().map(function(t,n){var i=s.createPropertyDef(t);return i.input=s.accessorIndexMap.get(t.getInput()),i.output=s.accessorIndexMap.get(t.getOutput()),i.interpolation=t.getInterpolation(),r.set(t,n),i}),n.channels=t.listChannels().map(function(t){var n=s.createPropertyDef(t);return n.sampler=r.get(t.getSampler()),n.target={node:s.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},n}),n}),u.scenes=r.listScenes().map(function(t){var n=s.createPropertyDef(t);return n.nodes=t.listNodes().map(function(t){return s.nodeIndexMap.get(t)}),n}),u.extensionsUsed=r.listExtensionsUsed().map(function(t){return t.extensionName}),u.extensionsRequired=r.listExtensionsRequired().map(function(t){return t.extensionName}),r.listExtensionsUsed().forEach(function(t){return t.write(s)}),function(t){var n=[];for(var r in t){var i=t[r];Array.isArray(i)&&0===i.length?n.push(r):null!==i&&""!==i||n.push(i)}for(var u=0,e=n;u<e.length;u++)delete t[e[u]]}(u),i},t}(),rt=function(){function t(){this.it=[]}var n=t.prototype;return n.registerExtensions=function(t){var n;return(n=this.it).push.apply(n,t),this},n.createDocument=function(t){return W.read(t,{extensions:this.it})},n.createNativeDocument=function(t,n){if(n.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return nt.write(t,n)},n.unpackGLB=function(t){var n,r=new Uint32Array(t,0,3);if(1179937895!==r[0])throw new Error("Invalid glTF asset.");if(2!==r[1])throw new Error('Unsupported glTF binary version, "'+r[1]+'".');var i=new Uint32Array(t,12,2),u=i[0],e=new Uint32Array(t,20+u,2);if(1313821514!==i[1]||5130562!==e[1])throw new Error("Unexpected GLB layout.");var s=g.decodeText(t.slice(20,20+u)),o=JSON.parse(s),h=20+u+8,f=t.slice(h,h+e[0]);return this.createDocument({json:o,resources:(n={},n["yt"]=f,n)})},n.packGLB=function(t){var n=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=n.resources,i=JSON.stringify(n.json),u=g.pad(g.encodeText(i),32),e=new Uint32Array([u.byteLength,1313821514]).buffer,s=g.concat([e,u]),o=g.pad(Object.values(r)[0]||new ArrayBuffer(0),0),h=new Uint32Array([o.byteLength,5130562]).buffer,f=g.concat([h,o]),c=new Uint32Array([1179937895,2,12+s.byteLength+f.byteLength]).buffer;return g.concat([c,s,f])},t}(),it=function(t){function n(n,r){var i;return(i=t.call(this)||this).fs=n,i.path=r,i}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.write=function(t,n){t.match(/\.glb$/)?this.writeGLB(t,n):this.writeGLTF(t,n)},r.readGLB=function(t){var n=this.fs.readFileSync(t),r=g.trim(n);return this.unpackGLB(r)},r.readGLTF=function(t){var n=this,r=this.path.dirname(t),i={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[].concat(i.json.images||[],i.json.buffers||[]).forEach(function(t){if(t.uri&&!t.uri.match(/data:/)){var u=n.path.resolve(r,t.uri);i.resources[t.uri]=g.trim(n.fs.readFileSync(u))}else{var e="__"+_()+"."+M.extension(t.uri);i.resources[e]=g.createBufferFromDataURI(t.uri),t.uri=e}}),W.read(i,{extensions:this.it})},r.writeGLTF=function(t,n){var r={basename:M.basename(t),isGLB:!1},i=nt.write(n,r),u=i.json,e=i.resources,s=this.fs,o=this.path,h=o.dirname(t);s.writeFileSync(t,JSON.stringify(u,null,2)),Object.keys(e).forEach(function(t){var n=Buffer.from(e[t]);s.writeFileSync(o.join(h,t),n)})},r.writeGLB=function(t,n){var r=Buffer.from(this.packGLB(n));this.fs.writeFileSync(t,r)},n}(rt),ut=function(t){function n(n){var r;return(r=t.call(this)||this).fetchConfig=n,r}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.readGLTF=function(t){var n=this,r={json:{},resources:{}};return fetch(t,this.fetchConfig).then(function(t){return t.json()}).then(function(t){r.json=t;var i=[].concat(t.images,t.buffers).map(function(t){if(t.uri)return fetch(t.uri,n.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(n){r.resources[t.uri]=n})});return Promise.all(i).then(function(){return n.createDocument(r)})})},r.readGLB=function(t){var n=this;return fetch(t,this.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(t){return n.unpackGLB(t)})},n}(rt);t.Accessor=w,t.Animation=A,t.AnimationChannel=y,t.AnimationSampler=m,t.Buffer=b,t.BufferUtils=g,t.Camera=E,t.Document=Y,t.Extension=H,t.ExtensionProperty=T,t.FileUtils=M,t.Graph=c,t.GraphChild=a,t.ImageUtils=x,t.Logger=R,t.Material=V,t.Mesh=D,t.Node=J,t.NodeIO=it,t.Primitive=G,t.PrimitiveTarget=F,t.Property=l,t.ReaderContext=K,t.Root=z,t.Scene=$,t.Skin=q,t.Texture=O,t.TextureInfo=j,t.TextureLink=k,t.TextureSampler=L,t.WebIO=ut,t.WriterContext=Z,t.uuid=_});
//# sourceMappingURL=core.umd.js.map

11

dist/document.d.ts
import { Extension, ExtensionConstructor } from './extension';
import { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, Material, Mesh, Node, Primitive, PrimitiveTarget, PropertyGraph, Root, Scene, Skin, Texture } from './properties/index';
import { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, Material, Mesh, Node, Primitive, PrimitiveTarget, PropertyGraph, Root, Scene, Skin, Texture } from './properties';
import { Logger } from './utils';

@@ -77,10 +77,9 @@ export declare type Transform = (doc: Document) => void;

setLogger(logger: Logger): Document;
/**
* Clones this document and its graph, copying all resources within it.
* @hidden
*/
/** Clones this Document, copying all resources within it. */
clone(): Document;
/** Merges the content of another Document into this one, without affecting the original. */
merge(other: Document): this;
/**
* Applies a series of modifications to this document. Each transformation is synchronous,
* takes the {@link Documen} as input, and returns nothing. Transforms are applied in the
* takes the {@link Document} as input, and returns nothing. Transforms are applied in the
* order given, which may affect the final result.

@@ -87,0 +86,0 @@ *

19

dist/extension.d.ts

@@ -0,1 +1,2 @@

import { PropertyType } from './constants';
import { Document } from './document';

@@ -36,4 +37,11 @@ import { ReaderContext, WriterContext } from './io';

protected readonly doc: Document;
/** Official name of the extension. */
static EXTENSION_NAME: string;
/** Official name of the extension. */
readonly extensionName: string;
/**
* {@link Property} types this extension will provide. *Most extensions don't need to implement
* this.*
*/
readonly provideTypes: PropertyType[];
private _required;

@@ -68,5 +76,14 @@ private _properties;

/**
* Used by the {@link PlatformIO} utilities when reading a glTF asset. This method may
* optionally be implemented by an extension, and should then support any property type
* declared by the Extension's {@link Extension.provideTypes} list. The Extension will
* be given a ReaderContext instance, and is expected to update either the context or its
* NativeDocument with resources known to the Extension. *Most extensions don't need to
* implement this.*
*/
provide(readerContext: ReaderContext, propertyType: PropertyType): this;
/**
* Used by the {@link PlatformIO} utilities when reading a glTF asset. This method must be
* implemented by each extension in order to support reading files. The extension will be
* gieven a ReaderContext instance, and should update the current {@link Document} accordingly.
* given a ReaderContext instance, and should update the current {@link Document} accordingly.
*/

@@ -73,0 +90,0 @@ abstract read(readerContext: ReaderContext): this;

8

dist/graph/graph-node.d.ts

@@ -53,3 +53,3 @@ import { Graph } from './graph';

/**
* Removes a {@link GraphNode} from a {@link @GraphChildList}.
* Removes a {@link GraphNode} from a {@link GraphChildList}.
*

@@ -60,2 +60,8 @@ * @hidden

/**
* Removes all {@link GraphNode}s from a {@link GraphChildList}.
*
* @hidden
*/
protected clearGraphChildList(links: Link<GraphNode, GraphNode>[]): this;
/**
* Returns a list of all nodes that hold a reference to this node.

@@ -62,0 +68,0 @@ *

15

dist/properties/accessor.d.ts

@@ -81,16 +81,17 @@ import { PropertyType, TypedArray } from '../constants';

readonly propertyType = PropertyType.ACCESSOR;
/** Raw data of the accessor. */
/** @hidden Raw data of the accessor. */
private _array;
/** Type of element represented. */
/** @hidden Type of element represented. */
private _type;
/** Numeric type of each component in an element. */
/** @hidden Numeric type of each component in an element. */
private _componentType;
/** Whether data in the raw array should be considered normalized. */
/** @hidden Whether data in the raw array should be considered normalized. */
private _normalized;
/** Inbound transform to normalized representation, if applicable. */
/** @hidden Inbound transform to normalized representation, if applicable. */
private _in;
/** Outbound transform from normalized representation, if applicable. */
/** @hidden Outbound transform from normalized representation, if applicable. */
private _out;
/** The {@link Buffer} to which this accessor's data will be written. */
/** @hidden The {@link Buffer} to which this accessor's data will be written. */
private buffer;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**********************************************************************************************

@@ -97,0 +98,0 @@ * Static.

3

dist/properties/animation.d.ts

@@ -46,2 +46,3 @@ import { PropertyType } from '../constants';

private samplers;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/** Adds an {@link AnimationChannel} to this Animation. */

@@ -93,2 +94,3 @@ addChannel(channel: AnimationChannel): this;

private sampler;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/**

@@ -164,2 +166,3 @@ * Path (property) animated on the target {@link Node}. Supported values include:

private output;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/** Interpolation mode: `STEP`, `LINEAR`, or `CUBICSPLINE`. */

@@ -166,0 +169,0 @@ getInterpolation(): GLTF.AnimationSamplerInterpolation;

3

dist/properties/buffer.d.ts

@@ -60,4 +60,5 @@ import { PropertyType } from '../constants';

readonly propertyType = PropertyType.BUFFER;
/** URI (or filename) of the buffer. */
/** @hidden URI (or filename) of the buffer. */
private _uri;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**

@@ -64,0 +65,0 @@ * Returns the URI (or filename) of this buffer (e.g. 'myBuffer.bin'). URIs are strongly

1

dist/properties/camera.d.ts

@@ -40,2 +40,3 @@ import { PropertyType } from '../constants';

private _ymag;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**********************************************************************************************

@@ -42,0 +43,0 @@ * Common.

1

dist/properties/extensible-property.d.ts

@@ -16,2 +16,3 @@ import { Link } from '../graph';

protected extensions: Link<Property, ExtensionProperty>[];
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/**

@@ -18,0 +19,0 @@ * Returns the {@link ExtensionProperty} of the given type attached to this Property, if any.

24

dist/properties/material.d.ts

@@ -38,15 +38,15 @@ import { PropertyType, vec3, vec4 } from '../constants';

readonly propertyType = PropertyType.MATERIAL;
/** Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */
/** @hidden Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */
private _alphaMode;
/** Visibility threshold. Applied only when `.alphaMode='MASK'`. */
/** @hidden Visibility threshold. Applied only when `.alphaMode='MASK'`. */
private _alphaCutoff;
/** When true, both sides of each triangle are rendered. May decrease performance. */
/** @hidden When true, both sides of each triangle are rendered. May decrease performance. */
private _doubleSided;
/** Base color / albedo; linear multiplier. */
/** @hidden Base color / albedo; linear multiplier. */
private _baseColorFactor;
/** Emissive color; linear multiplier. */
/** @hidden Emissive color; linear multiplier. */
private _emissiveFactor;
/** Normal (surface detail) factor; linear multiplier. Affects `.normalTexture`. */
/** @hidden Normal (surface detail) factor; linear multiplier. Affects `.normalTexture`. */
private _normalScale;
/** (Ambient) Occlusion factor; linear multiplier. Affects `.occlusionMap`. */
/** @hidden (Ambient) Occlusion factor; linear multiplier. Affects `.occlusionMap`. */
private _occlusionStrength;

@@ -56,2 +56,3 @@ /**

* `metallicRoughnessTexture`.
* @hidden
*/

@@ -62,7 +63,8 @@ private _roughnessFactor;

* `metallicRoughnessTexture`.
* @hidden
*/
private _metallicFactor;
/** Base color / albedo texture. */
/** @hidden Base color / albedo texture. */
private baseColorTexture;
/** Emissive texture. */
/** @hidden Emissive texture. */
private emissiveTexture;

@@ -72,2 +74,3 @@ /**

* so PNG files are preferred.
* @hidden
*/

@@ -78,2 +81,3 @@ private normalTexture;

* texture to be packed with `metallicRoughnessTexture`, optionally.
* @hidden
*/

@@ -85,4 +89,6 @@ private occlusionTexture;

* `occlusionTexture`, optionally.
* @hidden
*/
private metallicRoughnessTexture;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**********************************************************************************************

@@ -89,0 +95,0 @@ * Double-sided / culling.

15

dist/properties/mesh.d.ts

@@ -42,4 +42,5 @@ import { PropertyType } from '../constants';

private _weights;
/** Primitive GPU draw call list. */
/** @hidden Primitive GPU draw call list. */
private primitives;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/** Adds a {@link Primitive} to the mesh's draw call list. */

@@ -100,12 +101,9 @@ addPrimitive(primitive: Primitive): this;

readonly propertyType = PropertyType.PRIMITIVE;
/** GPU draw mode. */
/** @hidden GPU draw mode. */
private _mode;
/** Indices of vertices in the vertex list to be drawn. */
private material;
private indices;
/** Vertex attributes. */
private attributes;
/** Morph targets. */
private targets;
/** Material used to render the primitive. */
private material;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/** Returns an {@link Accessor} with indices of vertices to be drawn. */

@@ -186,4 +184,5 @@ getIndices(): Accessor;

readonly propertyType = PropertyType.PRIMITIVE_TARGET;
/** Vertex attributes. */
/** @hidden Vertex attributes. */
private attributes;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/** Returns a morph target vertex attribute as an {@link Accessor}. */

@@ -190,0 +189,0 @@ getAttribute(semantic: string): Accessor;

1

dist/properties/node.d.ts

@@ -44,2 +44,3 @@ import { PropertyType, vec3, vec4 } from '../constants';

private children;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/** Returns the translation (position) of this node in local space. */

@@ -46,0 +47,0 @@ getTranslation(): vec3;

3

dist/properties/property-links.d.ts

@@ -11,2 +11,3 @@ import { Link } from '../graph';

sampler: TextureSampler;
copy(other: this): this;
}

@@ -16,5 +17,7 @@ /** @hidden */

semantic: string;
copy(other: this): this;
}
/** @hidden */
export declare class IndexLink extends Link<Primitive, Accessor> {
copy(other: this): this;
}

14

dist/properties/property.d.ts
import { GraphNode } from '../graph';
import { PropertyGraph } from './property-graph';
export declare type PropertyResolver<T extends Property> = (p: T) => T;
export declare const COPY_IDENTITY: <T extends Property>(t: T) => T;
/**

@@ -72,6 +74,12 @@ * # Property

/**
* Makes a copy of this property, referencing the same resources (not copies) as the original.
* @hidden
* Makes a copy of this property, with the same resources (by reference) as the original.
*/
clone(): Property;
clone(): this;
/**
* Copies all data from another property to this one. Child properties are copied by reference,
* unless a 'resolve' function is given to override that.
* @param other Property to copy references from.
* @param resolve Function to resolve each Property being transferred. Default is identity.
*/
copy(other: this, resolve: PropertyResolver<Property>): this;
detach(): this;

@@ -78,0 +86,0 @@ /**

16

dist/properties/root.d.ts

@@ -50,12 +50,14 @@ import { PropertyType } from '../constants';

private readonly _extensions;
private accessors;
private animations;
private buffers;
private cameras;
private materials;
private meshes;
private nodes;
private scenes;
private nodes;
private cameras;
private skins;
private meshes;
private materials;
private textures;
private animations;
private accessors;
private buffers;
clone(): this;
copy(other: this, resolve?: <T extends Property>(t: T) => T): this;
/**

@@ -62,0 +64,0 @@ * Returns the `asset` object, which specifies the target glTF version of the asset. Additional

1

dist/properties/scene.d.ts

@@ -23,2 +23,3 @@ import { PropertyType } from '../constants';

private nodes;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/** Adds a {@link Node} to the scene. */

@@ -25,0 +26,0 @@ addNode(node: Node): this;

1

dist/properties/skin.d.ts

@@ -21,2 +21,3 @@ import { PropertyType } from '../constants';

private joints;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**

@@ -23,0 +24,0 @@ * {@link Node} used as a skeleton root. The node must be the closest common root of the joints

9

dist/properties/texture.d.ts

@@ -26,8 +26,9 @@ import { PropertyType, vec2 } from '../constants';

readonly propertyType = PropertyType.TEXTURE;
/** Raw image data for this texture. */
/** @hidden Raw image data for this texture. */
private image;
/** Image MIME type. Required if URI is not set. */
/** @hidden Image MIME type. Required if URI is not set. */
private mimeType;
/** Image URI. Required if MIME type is not set. */
/** @hidden Image URI. Required if MIME type is not set. */
private uri;
copy(other: this, resolve?: <T extends import("./property").Property>(t: T) => T): this;
/**********************************************************************************************

@@ -79,2 +80,3 @@ * MIME type / format.

private texCoord;
copy(other: this): this;
/** Returns the texture coordinate (UV set) index for the texture. */

@@ -104,2 +106,3 @@ getTexCoord(): number;

private _wrapT;
copy(other: this): this;
/** UV wrapping mode. Values correspond to WebGL enums. */

@@ -106,0 +109,0 @@ static TextureWrapMode: {

4

package.json
{
"name": "@gltf-transform/core",
"version": "0.4.2",
"version": "0.5.0",
"repository": "github:donmccurdy/glTF-Transform",

@@ -38,3 +38,3 @@ "description": "glTF 2.0 SDK for JavaScript, TypeScript, and Node.js",

},
"gitHead": "a54ae2ca9210a27593c21bd2224cb9c6cb48760d"
"gitHead": "347954a19aa9d6aa876b851ea88c39ba9dd54d9e"
}

29

src/core.ts
export { Document, Transform } from './document';
export { Extension } from './extension';
export { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, ExtensionProperty, Property, Material, Mesh, Node, Primitive, PrimitiveTarget, Root, Scene, Skin, Texture, TextureInfo, TextureLink, TextureSampler } from './properties';
export { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, ExtensionProperty, Property, Material, Mesh, Node, Primitive, PrimitiveTarget, Root, Scene, Skin, Texture, TextureInfo, TextureLink, TextureSampler, COPY_IDENTITY } from './properties';
export { Graph, GraphChild } from './graph/';
export { NodeIO, WebIO, ReaderContext, WriterContext } from './io/';
export { BufferUtils, FileUtils, ImageUtils, Logger, uuid } from './utils/';
export { PropertyType } from './constants';
export { PropertyType, vec2, vec3, vec4, mat3, mat4 } from './constants';

@@ -12,4 +12,4 @@ /** [[include:CONCEPTS.md]] */

/** [[include:SCRIPTING.md]] */
namespace Scripting {};
/** [[include:LIBRARY.md]] */
namespace Library {};

@@ -21,1 +21,22 @@ /** [[include:EXTENSIONS.md]] */

namespace Contributing {};
/**
* # Commandline (CLI)
*
* For easier access to its library, glTF-Transform offers a command-line interface (CLI). The
* CLI supports many of the features of the `@gltf-transform/lib` package, and some general tools
* for inspecting and packing/unpacking glTF or GLB files.
*
* Installation:
*
* ```shell
* npm install --global @gltf-transform/cli
* ```
*
* Help output:
*
* ```shell
* [[include:CLI_HELP.md]]
* ```
*/
namespace CLI {};

51

src/document.ts
import { Extension, ExtensionConstructor } from './extension';
import { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, Material, Mesh, Node, Primitive, PrimitiveTarget, PropertyGraph, Root, Scene, Skin, Texture } from './properties/index';
import { Accessor, Animation, AnimationChannel, AnimationSampler, Buffer, Camera, ExtensionProperty, Material, Mesh, Node, Primitive, PrimitiveTarget, Property, PropertyGraph, Root, Scene, Skin, Texture } from './properties';
import { Logger } from './utils';

@@ -93,13 +93,50 @@

/**
* Clones this document and its graph, copying all resources within it.
* @hidden
*/
/** Clones this Document, copying all resources within it. */
public clone(): Document {
throw new Error('Not implemented.');
return new Document().merge(this);
}
/** Merges the content of another Document into this one, without affecting the original. */
public merge(other: Document): this {
// 1. Attach extensions.
const thisExtensions: {[key: string]: Extension} = {};
for (const otherExtension of other.getRoot().listExtensionsUsed()) {
const thisExtension = this.createExtension(otherExtension.constructor as ExtensionConstructor);
if (otherExtension.isRequired()) thisExtension.setRequired(true);
thisExtensions[thisExtension.extensionName] = thisExtension;
}
// 2. Preconfigure the Root and merge history.
const visited = new Set<Property>();
const propertyMap = new Map<Property, Property>();
visited.add(other.root);
propertyMap.set(other.root, this.root);
// 3. Create stub classes for every Property in other Document.
for (const link of other.graph.getLinks()) {
for (const thisProp of [link.getParent() as Property, link.getChild() as Property]) {
if (!visited.has(thisProp)) {
const PropertyClass = thisProp.constructor as new(g: PropertyGraph, e?: Extension) => Property;
const otherProp = thisProp instanceof ExtensionProperty
? new PropertyClass(this.graph, thisExtensions[thisProp.extensionName])
: new PropertyClass(this.graph);
propertyMap.set(thisProp as Property, otherProp);
visited.add(thisProp);
}
}
}
// 4. Assemble the links between Properties.
const resolve = (p: Property): Property => propertyMap.get(p);
for (const otherProp of visited) {
const thisProp = propertyMap.get(otherProp);
thisProp.copy(otherProp, resolve);
}
return this;
}
/**
* Applies a series of modifications to this document. Each transformation is synchronous,
* takes the {@link Documen} as input, and returns nothing. Transforms are applied in the
* takes the {@link Document} as input, and returns nothing. Transforms are applied in the
* order given, which may affect the final result.

@@ -106,0 +143,0 @@ *

23

src/extension.ts

@@ -0,1 +1,2 @@

import { PropertyType } from './constants';
import { Document } from './document';

@@ -34,4 +35,11 @@ import { ReaderContext, WriterContext } from './io';

export abstract class Extension implements ExtensionPropertyParent {
/** Official name of the extension. */
public static EXTENSION_NAME: string;
/** Official name of the extension. */
public readonly extensionName: string;
/**
* {@link Property} types this extension will provide. *Most extensions don't need to implement
* this.*
*/
public readonly provideTypes: PropertyType[] = [];

@@ -94,5 +102,18 @@ private _required = false;

/**
* Used by the {@link PlatformIO} utilities when reading a glTF asset. This method may
* optionally be implemented by an extension, and should then support any property type
* declared by the Extension's {@link Extension.provideTypes} list. The Extension will
* be given a ReaderContext instance, and is expected to update either the context or its
* NativeDocument with resources known to the Extension. *Most extensions don't need to
* implement this.*
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
public provide(readerContext: ReaderContext, propertyType: PropertyType): this {
return this;
}
/**
* Used by the {@link PlatformIO} utilities when reading a glTF asset. This method must be
* implemented by each extension in order to support reading files. The extension will be
* gieven a ReaderContext instance, and should update the current {@link Document} accordingly.
* given a ReaderContext instance, and should update the current {@link Document} accordingly.
*/

@@ -99,0 +120,0 @@ public abstract read(readerContext: ReaderContext): this;

12

src/graph/graph-node.ts

@@ -85,3 +85,3 @@ import { Graph } from './graph';

/**
* Removes a {@link GraphNode} from a {@link @GraphChildList}.
* Removes a {@link GraphNode} from a {@link GraphChildList}.
*

@@ -97,2 +97,12 @@ * @hidden

/**
* Removes all {@link GraphNode}s from a {@link GraphChildList}.
*
* @hidden
*/
protected clearGraphChildList(links: Link<GraphNode, GraphNode>[]): this {
while (links.length > 0) links[0].dispose();
return this;
}
/**
* Returns a list of all nodes that hold a reference to this node.

@@ -99,0 +109,0 @@ *

43

src/io/reader.ts
import { getRotation, getScaling, getTranslation } from 'gl-matrix/mat4'
import { GLB_BUFFER, TypedArray, vec3, vec4 } from '../constants';
import { GLB_BUFFER, PropertyType, TypedArray, vec3, vec4 } from '../constants';
import { Document } from '../document';
import { Extension, ExtensionConstructor } from '../extension';
import { NativeDocument } from '../native-document';
import { Accessor, TextureInfo, TextureSampler } from '../properties';
import { Accessor } from '../properties';
import { FileUtils, ImageUtils } from '../utils';

@@ -30,5 +30,14 @@ import { ReaderContext } from './reader-context';

if (json.asset.version !== '2.0') {
throw new Error(`Unsupported glTF version: "${json.asset.version}".`);
throw new Error(`Unsupported glTF version, "${json.asset.version}".`);
}
if (json.extensionsRequired) {
for (const extensionName of json.extensionsRequired) {
if (!options.extensions.find(
(extension) => extension.EXTENSION_NAME === extensionName)) {
throw new Error(`Missing required extension, "${extensionName}".`);
}
}
}
doc.getRoot().getAsset().generator = nativeDoc.json.asset.generator;

@@ -40,2 +49,13 @@

/** Extensions (1/2). */
const extensionsUsed = json.extensionsUsed || [];
const extensionsRequired = json.extensionsRequired || [];
for (const Extension of options.extensions) {
if (extensionsUsed.includes(Extension.EXTENSION_NAME)) {
doc.createExtension(Extension as ExtensionConstructor)
.setRequired(extensionsRequired.includes(Extension.EXTENSION_NAME));
}
}
/** Buffers. */

@@ -92,2 +112,5 @@

const textureDefs = json.textures || [];
doc.getRoot().listExtensionsUsed()
.filter((extension) => extension.provideTypes.includes(PropertyType.TEXTURE))
.forEach((extension) => extension.provide(context, PropertyType.TEXTURE));
context.textures = imageDefs.map((imageDef) => {

@@ -395,13 +418,7 @@ const texture = doc.createTexture(imageDef.name);

/** Extensions. */
/** Extensions (2/2). */
const extensionsUsed = json.extensionsUsed || [];
const extensionsRequired = json.extensionsRequired || [];
for (const Extension of options.extensions) {
if (extensionsUsed.includes(Extension.EXTENSION_NAME)) {
doc.createExtension(Extension as ExtensionConstructor)
.setRequired(extensionsRequired.includes(Extension.EXTENSION_NAME))
.read(context);
}
}
doc.getRoot()
.listExtensionsUsed()
.forEach((extension) => extension.read(context));

@@ -408,0 +425,0 @@ return doc;

30

src/properties/accessor.ts

@@ -5,2 +5,3 @@ import { PropertyType, TypedArray } from '../constants';

import { ExtensibleProperty } from './extensible-property';
import { COPY_IDENTITY } from './property';

@@ -85,23 +86,38 @@ /**

/** Raw data of the accessor. */
/** @hidden Raw data of the accessor. */
private _array: TypedArray = null;
/** Type of element represented. */
/** @hidden Type of element represented. */
private _type: GLTF.AccessorType = GLTF.AccessorType.SCALAR;
/** Numeric type of each component in an element. */
/** @hidden Numeric type of each component in an element. */
private _componentType: GLTF.AccessorComponentType = null;
/** Whether data in the raw array should be considered normalized. */
/** @hidden Whether data in the raw array should be considered normalized. */
private _normalized = false;
/** Inbound transform to normalized representation, if applicable. */
/** @hidden Inbound transform to normalized representation, if applicable. */
private _in = identity;
/** Outbound transform from normalized representation, if applicable. */
/** @hidden Outbound transform from normalized representation, if applicable. */
private _out = identity;
/** The {@link Buffer} to which this accessor's data will be written. */
/** @hidden The {@link Buffer} to which this accessor's data will be written. */
@GraphChild private buffer: Link<Accessor, Buffer> = null;
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._array = other._array.slice();
this._type = other._type;
this._componentType = other._componentType;
this._normalized = other._normalized;
this._in = other._in;
this._out = other._out;
if (other.buffer) this.setBuffer(resolve(other.buffer.getChild()));
return this;
}
/**********************************************************************************************

@@ -108,0 +124,0 @@ * Static.

36

src/properties/animation.ts

@@ -6,3 +6,3 @@ import { PropertyType } from '../constants';

import { Node } from './node';
import { Property } from './property';
import { COPY_IDENTITY, Property } from './property';

@@ -50,2 +50,14 @@ /**

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this.clearGraphChildList(this.channels);
this.clearGraphChildList(this.samplers);
other.channels.forEach((link) => this.addChannel(resolve(link.getChild())));
other.samplers.forEach((link) => this.addSampler(resolve(link.getChild())));
return this;
}
/** Adds an {@link AnimationChannel} to this Animation. */

@@ -118,2 +130,13 @@ public addChannel(channel: AnimationChannel): this {

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._targetPath = other._targetPath;
if (other.targetNode) this.setTargetNode(resolve(other.targetNode.getChild()));
if (other.sampler) this.setSampler(resolve(other.sampler.getChild()));
return this;
}
/**

@@ -213,2 +236,13 @@ * Path (property) animated on the target {@link Node}. Supported values include:

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._interpolation = other._interpolation;
if (other.input) this.setInput(resolve(other.input.getChild()));
if (other.output) this.setOutput(resolve(other.output.getChild()));
return this;
}
/** Interpolation mode: `STEP`, `LINEAR`, or `CUBICSPLINE`. */

@@ -215,0 +249,0 @@ public getInterpolation(): GLTF.AnimationSamplerInterpolation {

11

src/properties/buffer.ts
import { PropertyType } from '../constants';
import { ExtensibleProperty } from './extensible-property';
import { COPY_IDENTITY } from './property';

@@ -62,5 +63,13 @@ /**

/** URI (or filename) of the buffer. */
/** @hidden URI (or filename) of the buffer. */
private _uri: string;
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._uri = other._uri;
return this;
}
/**

@@ -67,0 +76,0 @@ * Returns the URI (or filename) of this buffer (e.g. 'myBuffer.bin'). URIs are strongly

15

src/properties/camera.ts
import { PropertyType } from '../constants';
import { ExtensibleProperty } from './extensible-property';
import { COPY_IDENTITY } from './property';

@@ -51,2 +52,16 @@ /**

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._type = other._type;
this._znear = other._znear;
this._zfar = other._zfar;
this._aspectRatio = other._aspectRatio;
this._yfov = other._yfov;
this._xmag = other._xmag;
this._ymag = other._ymag;
return this;
}
/**********************************************************************************************

@@ -53,0 +68,0 @@ * Common.

15

src/properties/extensible-property.ts

@@ -0,4 +1,5 @@

import { ExtensionConstructor } from '../extension';
import { GraphChildList, Link } from '../graph';
import { ExtensionProperty, ExtensionPropertyConstructor } from './extension-property';
import { Property } from './property';
import { COPY_IDENTITY, Property } from './property';

@@ -18,2 +19,14 @@ /**

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this.clearGraphChildList(this.extensions);
other.extensions.forEach((link) => {
const extension = link.getChild();
this.setExtension(extension.constructor as ExtensionPropertyConstructor<typeof extension>, resolve(extension));
})
return this;
}
/**

@@ -20,0 +33,0 @@ * Returns the {@link ExtensionProperty} of the given type attached to this Property, if any.

61

src/properties/material.ts
import { PropertyType, vec3, vec4 } from '../constants';
import { GraphChild } from '../graph/index';
import { ExtensibleProperty } from './extensible-property';
import { COPY_IDENTITY } from './property';
import { TextureLink } from './property-links';

@@ -42,21 +43,21 @@ import { Texture, TextureInfo, TextureSampler } from './texture';

/** Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */
/** @hidden Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */
private _alphaMode: GLTF.MaterialAlphaMode = GLTF.MaterialAlphaMode.OPAQUE;
/** Visibility threshold. Applied only when `.alphaMode='MASK'`. */
/** @hidden Visibility threshold. Applied only when `.alphaMode='MASK'`. */
private _alphaCutoff = 0.5;
/** When true, both sides of each triangle are rendered. May decrease performance. */
/** @hidden When true, both sides of each triangle are rendered. May decrease performance. */
private _doubleSided = false;
/** Base color / albedo; linear multiplier. */
/** @hidden Base color / albedo; linear multiplier. */
private _baseColorFactor: vec4 = [1, 1, 1, 1];
/** Emissive color; linear multiplier. */
/** @hidden Emissive color; linear multiplier. */
private _emissiveFactor: vec3 = [0, 0, 0];
/** Normal (surface detail) factor; linear multiplier. Affects `.normalTexture`. */
/** @hidden Normal (surface detail) factor; linear multiplier. Affects `.normalTexture`. */
private _normalScale = 1;
/** (Ambient) Occlusion factor; linear multiplier. Affects `.occlusionMap`. */
/** @hidden (Ambient) Occlusion factor; linear multiplier. Affects `.occlusionMap`. */
private _occlusionStrength = 1;

@@ -67,2 +68,3 @@

* `metallicRoughnessTexture`.
* @hidden
*/

@@ -74,9 +76,10 @@ private _roughnessFactor = 1;

* `metallicRoughnessTexture`.
* @hidden
*/
private _metallicFactor = 1;
/** Base color / albedo texture. */
/** @hidden Base color / albedo texture. */
@GraphChild private baseColorTexture: TextureLink = null;
/** Emissive texture. */
/** @hidden Emissive texture. */
@GraphChild private emissiveTexture: TextureLink = null;

@@ -87,2 +90,3 @@

* so PNG files are preferred.
* @hidden
*/

@@ -94,2 +98,3 @@ @GraphChild private normalTexture: TextureLink = null;

* texture to be packed with `metallicRoughnessTexture`, optionally.
* @hidden
*/

@@ -102,5 +107,43 @@ @GraphChild private occlusionTexture: TextureLink = null;

* `occlusionTexture`, optionally.
* @hidden
*/
@GraphChild private metallicRoughnessTexture: TextureLink = null;
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._alphaMode = other._alphaMode;
this._alphaCutoff = other._alphaCutoff;
this._doubleSided = other._doubleSided;
this._baseColorFactor = [...other._baseColorFactor] as vec4;
this._emissiveFactor = [...other._emissiveFactor] as vec3;
this._normalScale = other._normalScale;
this._occlusionStrength = other._occlusionStrength;
this._roughnessFactor = other._roughnessFactor;
this._metallicFactor = other._metallicFactor;
if (other.baseColorTexture) {
this.setBaseColorTexture(resolve(other.baseColorTexture.getChild()));
this.baseColorTexture.copy(other.baseColorTexture);
}
if (other.emissiveTexture) {
this.setEmissiveTexture(resolve(other.emissiveTexture.getChild()));
this.emissiveTexture.copy(other.emissiveTexture);
}
if (other.normalTexture) {
this.setNormalTexture(resolve(other.normalTexture.getChild()));
this.normalTexture.copy(other.normalTexture);
}
if (other.occlusionTexture) {
this.setOcclusionTexture(resolve(other.occlusionTexture.getChild()));
this.occlusionTexture.copy(other.occlusionTexture);
}
if (other.metallicRoughnessTexture) {
this.setMetallicRoughnessTexture(resolve(other.metallicRoughnessTexture.getChild()));
this.metallicRoughnessTexture.copy(other.metallicRoughnessTexture);
}
return this;
}
/**********************************************************************************************

@@ -107,0 +150,0 @@ * Double-sided / culling.

56

src/properties/mesh.ts

@@ -7,3 +7,3 @@ import { PropertyType } from '../constants';

import { Material } from './material';
import { Property } from './property';
import { COPY_IDENTITY, Property } from './property';
import { AttributeLink } from './property-links';

@@ -49,5 +49,16 @@

/** Primitive GPU draw call list. */
/** @hidden Primitive GPU draw call list. */
@GraphChildList private primitives: Link<Mesh, Primitive>[] = [];
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._weights = [...other._weights];
this.clearGraphChildList(this.primitives);
other.primitives.forEach((link) => this.addPrimitive(resolve(link.getChild())));
return this;
}
/** Adds a {@link Primitive} to the mesh's draw call list. */

@@ -125,17 +136,29 @@ public addPrimitive(primitive: Primitive): this {

/** GPU draw mode. */
/** @hidden GPU draw mode. */
private _mode: GLTF.MeshPrimitiveMode = GLTF.MeshPrimitiveMode.TRIANGLES;
/** Indices of vertices in the vertex list to be drawn. */
@GraphChild private material: Link<Primitive, Material> = null;
@GraphChild private indices: Link<Primitive, Accessor> = null;
/** Vertex attributes. */
@GraphChildList private attributes: AttributeLink[] = [];
/** Morph targets. */
@GraphChildList private targets: Link<Primitive, PrimitiveTarget>[] = [];
/** Material used to render the primitive. */
@GraphChild private material: Link<Primitive, Material> = null;
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._mode = other._mode;
if (other.indices) this.setIndices(resolve(other.indices.getChild()));
if (other.material) this.setMaterial(resolve(other.material.getChild()));
this.clearGraphChildList(this.attributes);
other.listSemantics().forEach((semantic) => {
this.setAttribute(semantic, resolve(other.getAttribute(semantic)));
});
this.clearGraphChildList(this.targets);
other.targets.forEach((link) => this.addTarget(resolve(link.getChild())));
return this;
}
/** Returns an {@link Accessor} with indices of vertices to be drawn. */

@@ -267,5 +290,16 @@ public getIndices(): Accessor {

/** Vertex attributes. */
/** @hidden Vertex attributes. */
@GraphChildList private attributes: AttributeLink[] = [];
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this.clearGraphChildList(this.attributes);
other.listSemantics().forEach((semantic) => {
this.setAttribute(semantic, resolve(other.getAttribute(semantic)));
});
return this;
}
/** Returns a morph target vertex attribute as an {@link Accessor}. */

@@ -272,0 +306,0 @@ public getAttribute(semantic: string): Accessor {

19

src/properties/node.ts

@@ -7,2 +7,3 @@ import { PropertyType, vec3, vec4 } from '../constants';

import { Mesh } from './mesh';
import { COPY_IDENTITY } from './property';
import { Skin } from './skin';

@@ -50,2 +51,20 @@

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this._translation = [...other._translation] as vec3;
this._rotation = [...other._rotation] as vec4;
this._scale = [...other._scale] as vec3;
this._weights = [...other._weights];
if (other.camera) this.setCamera(resolve(other.camera.getChild()));
if (other.mesh) this.setMesh(resolve(other.mesh.getChild()));
if (other.skin) this.setSkin(resolve(other.skin.getChild()));
this.clearGraphChildList(this.children);
other.children.forEach((link) => this.addChild(resolve(link.getChild())));
return this;
}
/** Returns the translation (position) of this node in local space. */

@@ -52,0 +71,0 @@ public getTranslation(): vec3 { return this._translation; }

13

src/properties/property-links.ts

@@ -12,2 +12,7 @@ import { Link } from '../graph';

public sampler = new TextureSampler();
public copy (other: this): this {
this.textureInfo.copy(other.textureInfo);
this.sampler.copy(other.sampler);
return this;
}
}

@@ -18,5 +23,11 @@

public semantic = '';
public copy (other: this): this {
this.semantic = other.semantic;
return this;
}
}
/** @hidden */
export class IndexLink extends Link<Primitive, Accessor> {}
export class IndexLink extends Link<Primitive, Accessor> {
public copy (other: this): this { return this; }
}

23

src/properties/property.ts
import { GraphNode } from '../graph';
import { PropertyGraph } from './property-graph';
export type PropertyResolver<T extends Property> = (p: T) => T;
export const COPY_IDENTITY = <T extends Property>(t: T): T => t;
/**

@@ -94,9 +97,21 @@ * # Property

/**
* Makes a copy of this property, referencing the same resources (not copies) as the original.
* @hidden
* Makes a copy of this property, with the same resources (by reference) as the original.
*/
public clone(): Property {
throw new Error('Not implemented.');
public clone(): this {
const PropertyClass = this.constructor as new(g: PropertyGraph) => this;
return new PropertyClass(this.graph).copy(this, COPY_IDENTITY);
}
/**
* Copies all data from another property to this one. Child properties are copied by reference,
* unless a 'resolve' function is given to override that.
* @param other Property to copy references from.
* @param resolve Function to resolve each Property being transferred. Default is identity.
*/
public copy(other: this, resolve: PropertyResolver<Property>): this {
this._name = other._name;
this._extras = JSON.parse(JSON.stringify(other._extras));
return this;
}
public detach(): this {

@@ -103,0 +118,0 @@ // Detaching should keep properties in the same Document, and attached to its root.

44

src/properties/root.ts

@@ -11,3 +11,3 @@ import { PropertyType, VERSION } from '../constants';

import { Node } from './node';
import { Property } from './property';
import { COPY_IDENTITY, Property } from './property';
import { Scene } from './scene';

@@ -59,13 +59,41 @@ import { Skin } from './skin';

@GraphChildList private accessors: Link<Root, Accessor>[] = [];
@GraphChildList private animations: Link<Root, Animation>[] = [];
@GraphChildList private buffers: Link<Root, Buffer>[] = [];
@GraphChildList private cameras: Link<Root, Camera>[] = [];
@GraphChildList private materials: Link<Root, Material>[] = [];
@GraphChildList private meshes: Link<Root, Mesh>[] = [];
@GraphChildList private nodes: Link<Root, Node>[] = [];
@GraphChildList private scenes: Link<Root, Scene>[] = [];
@GraphChildList private nodes: Link<Root, Node>[] = [];
@GraphChildList private cameras: Link<Root, Camera>[] = [];
@GraphChildList private skins: Link<Root, Skin>[] = [];
@GraphChildList private meshes: Link<Root, Mesh>[] = [];
@GraphChildList private materials: Link<Root, Material>[] = [];
@GraphChildList private textures: Link<Root, Texture>[] = [];
@GraphChildList private animations: Link<Root, Animation>[] = [];
@GraphChildList private accessors: Link<Root, Accessor>[] = [];
@GraphChildList private buffers: Link<Root, Buffer>[] = [];
public clone(): this {
throw new Error('Root cannot be cloned.');
}
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
// Root cannot be cloned in isolation: only with its Document. Extensions are managed by
// the Document during cloning. The Root, and only the Root, should avoid calling
// .clearGraphChildList() while copying to avoid overwriting existing links during a merge.
if (!resolve) throw new Error('Root cannot be copied.');
Object.assign(this._asset, other._asset);
other.accessors.forEach((link) => this._addAccessor(resolve(link.getChild())));
other.animations.forEach((link) => this._addAnimation(resolve(link.getChild())));
other.buffers.forEach((link) => this._addBuffer(resolve(link.getChild())));
other.cameras.forEach((link) => this._addCamera(resolve(link.getChild())));
other.materials.forEach((link) => this._addMaterial(resolve(link.getChild())));
other.meshes.forEach((link) => this._addMesh(resolve(link.getChild())));
other.nodes.forEach((link) => this._addNode(resolve(link.getChild())));
other.scenes.forEach((link) => this._addScene(resolve(link.getChild())));
other.skins.forEach((link) => this._addSkin(resolve(link.getChild())));
other.textures.forEach((link) => this._addTexture(resolve(link.getChild())));
return this;
}
/**

@@ -72,0 +100,0 @@ * Returns the `asset` object, which specifies the target glTF version of the asset. Additional

10

src/properties/scene.ts

@@ -5,2 +5,3 @@ import { PropertyType } from '../constants';

import { Node } from './node';
import { COPY_IDENTITY } from './property';

@@ -28,2 +29,11 @@ /**

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this.clearGraphChildList(this.nodes);
other.nodes.forEach((link) => this.addNode(resolve(link.getChild())));
return this;
}
/** Adds a {@link Node} to the scene. */

@@ -30,0 +40,0 @@ public addNode(node: Node): this {

13

src/properties/skin.ts

@@ -6,2 +6,3 @@ import { PropertyType } from '../constants';

import { Node } from './node';
import { COPY_IDENTITY } from './property';

@@ -26,2 +27,14 @@ /**

public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
if (other.skeleton) this.setSkeleton(resolve(other.skeleton.getChild()));
if (other.inverseBindMatrices) this.setInverseBindMatrices(resolve(other.inverseBindMatrices.getChild()));
this.clearGraphChildList(this.joints);
other.joints.forEach((link) => this.addJoint(resolve(link.getChild())));
return this;
}
/**

@@ -28,0 +41,0 @@ * {@link Node} used as a skeleton root. The node must be the closest common root of the joints

31

src/properties/texture.ts
import { PropertyType, vec2 } from '../constants';
import { ImageUtils } from '../utils';
import { ExtensibleProperty } from './extensible-property';
import { COPY_IDENTITY } from './property';

@@ -29,11 +30,22 @@ /**

/** Raw image data for this texture. */
/** @hidden Raw image data for this texture. */
private image: ArrayBuffer = null;
/** Image MIME type. Required if URI is not set. */
/** @hidden Image MIME type. Required if URI is not set. */
private mimeType = '';
/** Image URI. Required if MIME type is not set. */
/** @hidden Image URI. Required if MIME type is not set. */
private uri = '';
public copy(other: this, resolve = COPY_IDENTITY): this {
super.copy(other, resolve);
this.mimeType = other.mimeType;
this.uri = other.uri;
if (other.image) this.image = other.image.slice(0);
return this;
}
/**********************************************************************************************

@@ -118,2 +130,7 @@ * MIME type / format.

public copy(other: this): this {
this.texCoord = other.texCoord;
return this;
}
/** Returns the texture coordinate (UV set) index for the texture. */

@@ -150,2 +167,10 @@ public getTexCoord(): number { return this.texCoord; }

public copy(other: this): this {
this._magFilter = other._magFilter;
this._minFilter = other._minFilter;
this._wrapS = other._wrapS;
this._wrapT = other._wrapT;
return this;
}
/** UV wrapping mode. Values correspond to WebGL enums. */

@@ -152,0 +177,0 @@ public static TextureWrapMode = {

dist/core.js.map

Sorry, the diff of this file is not supported yet

dist/core.modern.js.map

Sorry, the diff of this file is not supported yet

dist/core.umd.js.map

Sorry, the diff of this file is not supported yet

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