@gltf-transform/core - npm Package Compare versions

Comparing version 0.4.0-alpha.1 to 0.4.0-alpha.2

dist/constants.d.ts

@@ -53,1 +53,21 @@ /**
 export declare type TypedArray = Float32Array | Uint32Array | Uint16Array | Uint8Array | Int16Array | Int8Array;
+/** String IDs for core {@link Property} types. */
+export declare enum PropertyType {
+    ACCESSOR = "Accessor",
+    ANIMATION = "Animation",
+    ANIMATION_CHANNEL = "AnimationChannel",
+    ANIMATION_SAMPLER = "AnimationSampler",
+    BUFFER = "Buffer",
+    CAMERA = "Camera",
+    MATERIAL = "Material",
+    MESH = "Mesh",
+    PRIMITIVE = "Primitive",
+    PRIMITIVE_TARGET = "PrimitiveTarget",
+    NODE = "Node",
+    ROOT = "Root",
+    SCENE = "Scene",
+    SKIN = "Skin",
+    TEXTURE = "Texture",
+    TEXTURE_INFO = "TextureInfo",
+    TEXTURE_SAMPLER = "TextureSampler"
+}

dist/core.d.ts

@@ -7,1 +7,2 @@ export { Document, Transform } from './document';
 export { BufferUtils, FileUtils, ImageUtils, Logger, uuid } from './utils/';
+export { PropertyType } from './constants';

dist/core.modern.js

@@ -1,2 +0,2 @@
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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 i(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 h(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 o(t,e){}class u extends class{constructor(t){this.h=!1,this.l=t}canLink(t){return this.l===t.l}isDisposed(){return this.h}dispose(){this.l.disconnectChildren(this),this.l.disconnectParents(this),this.h=!0}detach(){return 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this.attributes.map(t=>t.getChild())}listSemantics(){return this.attributes.map(t=>t.semantic)}}r([o],O.prototype,"attributes",void 0);class F extends c{constructor(){super(...arguments),this.propertyType="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.l.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.l.link("mesh",this,t),this}getCamera(){return this.camera?this.camera.getChild():null}setCamera(t){return this.camera=this.l.link("camera",this,t),this}getSkin(){return this.skin?this.skin.getChild():null}setSkin(t){return this.skin=this.l.link("skin",this,t),this}getWeights(){return this.X}setWeights(t){return this.X=t,this}}r([h],F.prototype,"camera",void 0),r([h],F.prototype,"mesh",void 0),r([h],F.prototype,"skin",void 0),r([o],F.prototype,"children",void 0);class G extends u{constructor(){super(...arguments),this.propertyType="Root",this.st={generator:"glTF-Transform v0.4.0-alpha.1",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.l.link("scene",this,t))}listScenes(){return this.scenes.map(t=>t.getChild())}ot(t){return this.addGraphChild(this.nodes,this.l.link("node",this,t))}listNodes(){return this.nodes.map(t=>t.getChild())}ut(t){return this.addGraphChild(this.cameras,this.l.link("camera",this,t))}listCameras(){return this.cameras.map(t=>t.getChild())}ct(t){return this.addGraphChild(this.skins,this.l.link("skin",this,t))}listSkins(){return this.skins.map(t=>t.getChild())}at(t){return this.addGraphChild(this.meshes,this.l.link("mesh",this,t))}listMeshes(){return this.meshes.map(t=>t.getChild())}lt(t){return this.addGraphChild(this.materials,this.l.link("material",this,t))}listMaterials(){return this.materials.map(t=>t.getChild())}dt(t){return this.addGraphChild(this.textures,this.l.link("texture",this,t))}listTextures(){return this.textures.map(t=>t.getChild())}ft(t){return this.addGraphChild(this.animations,this.l.link("animation",this,t))}listAnimations(){return this.animations.map(t=>t.getChild())}gt(t){return this.addGraphChild(this.accessors,this.l.link("accessor",this,t))}listAccessors(){return this.accessors.map(t=>t.getChild())}pt(t){return this.addGraphChild(this.buffers,this.l.link("buffer",this,t))}listBuffers(){return this.buffers.map(t=>t.getChild())}}r([o],G.prototype,"scenes",void 0),r([o],G.prototype,"nodes",void 0),r([o],G.prototype,"cameras",void 0),r([o],G.prototype,"skins",void 0),r([o],G.prototype,"meshes",void 0),r([o],G.prototype,"materials",void 0),r([o],G.prototype,"textures",void 0),r([o],G.prototype,"animations",void 0),r([o],G.prototype,"accessors",void 0),r([o],G.prototype,"buffers",void 0);class D extends c{constructor(){super(...arguments),this.propertyType="Scene",this.nodes=[]}addNode(t){return this.addGraphChild(this.nodes,this.l.link("node",this,t))}removeNode(t){return this.removeGraphChild(this.nodes,t)}listNodes(){return this.nodes.map(t=>t.getChild())}}r([o],D.prototype,"nodes",void 0);class j extends c{constructor(){super(...arguments),this.propertyType="Skin",this.skeleton=null,this.inverseBindMatrices=null,this.joints=[]}getSkeleton(){return this.skeleton?this.skeleton.getChild():null}setSkeleton(t){return this.skeleton=this.l.link("skeleton",this,t),this}getInverseBindMatrices(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null}setInverseBindMatrices(t){return this.inverseBindMatrices=this.l.link("inverseBindMatrices",this,t),this}addJoint(t){const e=this.l.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([h],j.prototype,"skeleton",void 0),r([h],j.prototype,"inverseBindMatrices",void 0),r([o],j.prototype,"joints",void 0);class z{constructor(){this.graph=new U,this.root=new G(this.graph),this.logger=new E(E.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 F(this.graph,t);return this.root.ot(e),e}createCamera(t){const e=new m(this.graph,t);return this.root.ut(e),e}createSkin(t){const e=new j(this.graph,t);return this.root.ct(e),e}createMesh(t){const e=new L(this.graph,t);return this.root.at(e),e}createPrimitive(){return new P(this.graph)}createPrimitiveTarget(t){return new O(this.graph,t)}createMaterial(t){const e=new k(this.graph,t);return this.root.lt(e),e}createTexture(t){const e=new N(this.graph,t);return this.root.dt(e),e}createAnimation(t){const e=new d(this.graph,t);return this.root.ft(e),e}createAnimationChannel(){return new f(this.graph)}createAnimationSampler(){return new g(this.graph)}createAccessor(t,e=null){e||(e=this.getRoot().listBuffers()[0]);const s=new a(this.graph,t).setBuffer(e);return this.root.gt(s),s}createBuffer(t){const e=new p(this.graph,t);return this.root.pt(e),e}}class ${constructor(t){this.doc=t,this.wt=!1,this.vt=new Set,t.getRoot().it(this)}dispose(){this.doc.getRoot().nt(this);for(const t of this.vt)t.dispose()}isRequired(){return this.wt}setRequired(t){return this.wt=t,this}addExtensionProperty(t){return this.vt.add(t),this}removeExtensionProperty(t){return this.vt.delete(t),this}}class J{constructor(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}}const V={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};class W{static read(r,i){const{json:n}=r,h=new z;if("2.0"!==n.asset.version)throw new Error(`Unsupported glTF version: "${n.asset.version}".`);const o=new J(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=V[t.componentType],r=a.getElementSize(t.type);let i;i=void 0!==t.bufferView?Z(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=Z(h,e),c=Z(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):Z(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["At"]).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("png"===s?"image/png":"image/jpeg")}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]),Y(e.getBaseColorTextureInfo(),t),q(e.getBaseColorTextureSampler(),t,r)}if(void 0!==t.emissiveTexture){const s=t.emissiveTexture;e.setEmissiveTexture(o.textures[u[s.index].source]),Y(e.getEmissiveTextureInfo(),s),q(e.getEmissiveTextureSampler(),s,r)}if(void 0!==t.normalTexture){const s=t.normalTexture;e.setNormalTexture(o.textures[u[s.index].source]),Y(e.getNormalTextureInfo(),s),q(e.getNormalTextureSampler(),s,r),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]),Y(e.getOcclusionTextureInfo(),s),q(e.getOcclusionTextureSampler(),s,r),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]),Y(e.getMetallicRoughnessTextureInfo(),t),q(e.getMetallicRoughnessTextureSampler(),t,r)}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 l=n.extensionsUsed||[],d=n.extensionsRequired||[];for(const t of i.extensions)l.includes(t.EXTENSION_NAME)&&h.createExtension(t).setRequired(d.includes(t.EXTENSION_NAME)).read(o);return h}}function Y(t,e){void 0!==e.texCoord&&t.setTexCoord(e.texCoord)}function q(t,e,s){const r=s.json.textures[e.index];if(void 0===r.sampler)return;const i=s.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)}function Z(t,e){const s=e.json.bufferViews[t.bufferView],r=e.json.buffers[s.buffer],i=r.uri?e.resources[r.uri]:e.resources["At"],n=V[t.componentType],h=a.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["At"],n=V[t.componentType],h=a.getElementSize(t.type),o=n.BYTES_PER_ELEMENT,u=t.byteOffset||0,c=new n(t.count*h),l=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=l.getFloat32(r,!0);break;case 5125:i=l.getUint32(r,!0);break;case 5123:i=l.getUint16(r,!0);break;case 5121:i=l.getUint8(r);break;case 5122:i=l.getInt16(r,!0);break;case 5120:i=l.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 X{constructor(t){this.nativeDocument=t,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}}class H{static write(t,e){const s=t.getRoot(),r={json:{asset:s.getAsset()},resources:{}},i=r.json,n=t.getLogger(),h=s.listBuffers().length,o=s.listTextures().length,u=new K(h>1,e.basename),c=new K(o>1,e.basename),l=new X(r);function d(t,e,s,r){const n=[];let h=0;for(const e of t){const t=l.createAccessorDef(e);t.bufferView=i.bufferViews.length;const s=v.pad(e.getArray().buffer);t.byteOffset=h,h+=s.byteLength,n.push(s),l.accessorIndexMap.set(e,i.accessors.length),i.accessors.push(t)}const o={buffer:e,byteOffset:s,byteLength:v.concat(n).byteLength};return r&&(o.target=r),i.bufferViews.push(o),{buffers:n,byteLength:h}}function f(t,e,s){const r=t[0].getCount();let n=0;for(const e of t){const t=l.createAccessorDef(e);t.bufferView=i.bufferViews.length,t.byteOffset=n;const s=e.getElementSize(),r=e.getComponentSize();n+=v.padNumber(s*r),l.accessorIndexMap.set(e,i.accessors.length),i.accessors.push(t)}const h=r*n,o=new ArrayBuffer(h),u=new DataView(o);for(let e=0;e<r;e++){let s=0;for(const r of t){const t=r.getElementSize(),i=r.getComponentSize(),h=r.getComponentType(),o=r.getArray();for(let r=0;r<t;r++){const c=e*n+s+r*i,a=o[e*t+r];switch(h){case 5126:u.setFloat32(c,a,!0);break;case 5120:u.setInt8(c,a);break;case 5122:u.setInt16(c,a,!0);break;case 5121:u.setUint8(c,a);break;case 5123:u.setUint16(c,a,!0);break;case 5125:u.setUint32(c,a,!0);break;default:throw new Error("Unexpected component type: "+h)}}s+=v.padNumber(t*i)}}return i.bufferViews.push({buffer:e,byteOffset:s,byteLength:h,byteStride:n,target:34962}),{byteLength:h,buffers:[o]}}const g=new Map;for(const e of t.getGraph().getLinks()){if(e.getParent()===s)continue;const t=e.getChild();if(t instanceof a){const s=g.get(t)||[];s.push(e),g.set(t,s)}}return i.accessors=[],i.bufferViews=[],i.samplers=[],i.textures=[],i.images=s.listTextures().map((t,s)=>{const n=l.createPropertyDef(t);if(t.getMimeType()&&(n.mimeType=t.getMimeType()),e.isGLB)l.imageData.push(t.getImage()),n.bufferView=i.bufferViews.length,i.bufferViews.push({buffer:0,byteOffset:-1,byteLength:t.getImage().byteLength});else{const e="image/png"===t.getMimeType()?"png":"jpeg";n.uri=c.createURI(t,e),r.resources[n.uri]=t.getImage()}return l.imageIndexMap.set(t,s),n}),i.buffers=[],s.listBuffers().forEach(t=>{const s=l.createPropertyDef(t),h=new Map,o=new Set,c=new Set,p=t.listParents().filter(t=>!(t instanceof G));for(const t of p){if(!(t instanceof a))throw new Error("Unimplemented buffer reference: "+t);let e=!1,s=!1,r=!1;const i=g.get(t)||[];for(const t of i)t instanceof _?e=!0:t instanceof B?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.");c.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 m=[],w=i.buffers.length;let A,x=0;if(o.size){const t=d(Array.from(o),w,x,34963);x+=t.byteLength,m.push(...t.buffers)}for(const t of Array.from(h.values()))if(t.size){const e=f(Array.from(t),w,x);x+=e.byteLength,m.push(...e.buffers)}if(c.size){const t=d(Array.from(c),w,x);x+=t.byteLength,m.push(...t.buffers)}if(l.imageData.length)for(let t=0;t<l.imageData.length;t++)i.bufferViews[i.images[t].bufferView].byteOffset=x,x+=l.imageData[t].byteLength,m.push(l.imageData[t]);x?(e.isGLB?A="__glb.bin":(A=u.createURI(t,"bin"),s.uri=A),s.byteLength=x,r.resources[A]=v.concat(m),i.buffers.push(s)):n.warn(`@gltf-transform/core: Skipping empty buffer, "${t.getName()}".`)}),i.materials=s.listMaterials().map((t,e)=>{const s=l.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=l.createTextureInfoDef(e,r,i)}if(t.getEmissiveTexture()){const e=t.getEmissiveTexture(),r=t.getEmissiveTextureInfo(),i=t.getEmissiveTextureSampler();s.emissiveTexture=l.createTextureInfoDef(e,r,i)}if(t.getNormalTexture()){const e=t.getNormalTexture(),r=t.getNormalTextureInfo(),i=t.getNormalTextureSampler(),n=l.createTextureInfoDef(e,r,i);1!==t.getNormalScale()&&(n.scale=t.getNormalScale()),s.normalTexture=n}if(t.getOcclusionTexture()){const e=t.getOcclusionTexture(),r=t.getOcclusionTextureInfo(),i=t.getOcclusionTextureSampler(),n=l.createTextureInfoDef(e,r,i);1!==t.getOcclusionStrength()&&(n.strength=t.getOcclusionStrength()),s.occlusionTexture=n}if(t.getMetallicRoughnessTexture()){const e=t.getMetallicRoughnessTexture(),r=t.getMetallicRoughnessTextureInfo(),i=t.getMetallicRoughnessTextureSampler();s.pbrMetallicRoughness.metallicRoughnessTexture=l.createTextureInfoDef(e,r,i)}return l.materialIndexMap.set(t,e),s}),i.meshes=s.listMeshes().map((t,e)=>{const s=l.createPropertyDef(t);let r;return s.primitives=t.listPrimitives().map(t=>{const e={attributes:{}};e.material=l.materialIndexMap.get(t.getMaterial()),e.mode=t.getMode(),t.getIndices()&&(e.indices=l.accessorIndexMap.get(t.getIndices()));for(const s of t.listSemantics())e.attributes[s]=l.accessorIndexMap.get(t.getAttribute(s));for(const s of t.listTargets()){const t={};for(const e of s.listSemantics())t[e]=l.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),l.meshIndexMap.set(t,e),s}),i.cameras=s.listCameras().map((t,e)=>{const s=l.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()},l.cameraIndexMap.set(t,e),s}),i.nodes=s.listNodes().map((t,e)=>{const s=l.createPropertyDef(t);return s.translation=t.getTranslation(),s.rotation=t.getRotation(),s.scale=t.getScale(),t.getWeights().length&&(s.weights=t.getWeights()),l.nodeIndexMap.set(t,e),s}),i.skins=s.listSkins().map((t,e)=>{const s=l.createPropertyDef(t);return t.getInverseBindMatrices()&&(s.inverseBindMatrices=l.accessorIndexMap.get(t.getInverseBindMatrices())),t.getSkeleton()&&(s.skeleton=l.nodeIndexMap.get(t.getSkeleton())),s.joints=t.listJoints().map(t=>l.nodeIndexMap.get(t)),l.skinIndexMap.set(t,e),s}),s.listNodes().forEach((t,e)=>{const s=i.nodes[e];t.getMesh()&&(s.mesh=l.meshIndexMap.get(t.getMesh())),t.getCamera()&&(s.camera=l.cameraIndexMap.get(t.getCamera())),t.getSkin()&&(s.skin=l.skinIndexMap.get(t.getSkin())),t.listChildren().length>0&&(s.children=t.listChildren().map(t=>l.nodeIndexMap.get(t)))}),i.animations=s.listAnimations().map(t=>{const e=l.createPropertyDef(t),s=new Map;return e.samplers=t.listSamplers().map((t,e)=>{const r=l.createPropertyDef(t);return r.input=l.accessorIndexMap.get(t.getInput()),r.output=l.accessorIndexMap.get(t.getOutput()),r.interpolation=t.getInterpolation(),s.set(t,e),r}),e.channels=t.listChannels().map(t=>{const e=l.createPropertyDef(t);return e.sampler=s.get(t.getSampler()),e.target={node:l.nodeIndexMap.get(t.getTargetNode()),path:t.getTargetPath()},e}),e}),i.scenes=s.listScenes().map(t=>{const e=l.createPropertyDef(t);return e.nodes=t.listNodes().map(t=>l.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(l)),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(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 Q{constructor(){this.rt=[]}registerExtensions(t){return this.rt.push(...t),this}createDocument(t){return W.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, "${e[1]}".`);const s=new Uint32Array(t,12,2),r=s[0],i=new Uint32Array(t,20+r,2);if(1313821514!==s[1]||5130562!==i[1])throw new Error("Unexpected GLB layout.");const n=v.decodeText(t.slice(20,20+r)),h=JSON.parse(n),o=20+r+8,u=t.slice(o,o+i[0]);return this.createDocument({json:h,resources:{At:u}})}packGLB(t){const{json:e,resources:s}=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=JSON.stringify(e),i=v.pad(v.encodeText(r),32),n=new Uint32Array([i.byteLength,1313821514]).buffer,h=v.concat([n,i]),o=v.pad(Object.values(s)[0],0),u=new Uint32Array([o.byteLength,5130562]).buffer,c=v.concat([u,o]),a=new Uint32Array([1179937895,2,12+h.byteLength+c.byteLength]).buffer;return v.concat([a,h,c])}}class tt extends Q{constructor(t,e){super(),this.fs=t,this.path=e}read(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)}write(t,e){t.match(/\.glb$/)?this.writeGLB(t,e):this.writeGLTF(t,e)}readGLB(t){const e=this.fs.readFileSync(t),s=v.trim(e);return this.unpackGLB(s)}readGLTF(t){const e=this.path.dirname(t),s={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[...s.json.images||[],...s.json.buffers||[]].forEach(t=>{if(t.uri&&!t.uri.match(/data:/)){const r=this.path.resolve(e,t.uri);s.resources[t.uri]=v.trim(this.fs.readFileSync(r))}else{const e=`__${S()}.${A.extension(t.uri)}`;s.resources[e]=v.createBufferFromDataURI(t.uri),t.uri=e}}),W.read(s,{extensions:this.rt})}writeGLTF(t,e){const s={basename:A.basename(t),isGLB:!1},{json:r,resources:i}=H.write(e,s),{fs:n,path:h}=this,o=h.dirname(t);n.writeFileSync(t,JSON.stringify(r,null,2)),Object.keys(i).forEach(t=>{const e=Buffer.from(i[t]);n.writeFileSync(h.join(o,t),e)})}writeGLB(t,e){const s=Buffer.from(this.packGLB(e));this.fs.writeFileSync(t,s)}}class et extends Q{constructor(t){super(),this.fetchConfig=t}read(t){return t.match(/\.glb$/)?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{a as Accessor,d as Animation,f as AnimationChannel,g as AnimationSampler,p as Buffer,v as BufferUtils,m as Camera,z as Document,$ as Extension,w as ExtensionProperty,A as FileUtils,n as Graph,x as ImageUtils,E as Logger,k as Material,L as Mesh,F as Node,tt as NodeIO,P as Primitive,O as PrimitiveTarget,u as Property,J as ReaderContext,G as Root,D as Scene,j as Skin,N as Texture,R as TextureInfo,C as TextureSampler,et as WebIO,X as WriterContext,S as uuid};
+import{getTranslation as t,getRotation as e,getScaling as s}from"gl-matrix/mat4";function r(t,e,s,r){var i,n=arguments.length,h=n<3?e:null===r?r=Object.getOwnPropertyDescriptor(e,s):r;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)h=Reflect.decorate(t,e,s,r);else for(var o=t.length-1;o>=0;o--)(i=t[o])&&(h=(n<3?i(h):n>3?i(e,s,h):i(e,s))||h);return n>3&&h&&Object.defineProperty(e,s,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,e,s){if(this.t=t,this.s=e,this.i=s,this.h=!1,this.o=[],!e.canLink(s))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(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.l=t}canLink(t){return this.l===t.l}isDisposed(){return this.h}dispose(){this.l.disconnectChildren(this),this.l.disconnectParents(this),this.h=!0}detach(){return this.l.disconnectParents(this),this}swap(t,e){return this.l.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.l.listParents(this)}}{constructor(t,e=""){super(t),this.t="",this.g={},this.t=e}getName(){return this.t}setName(t){return this.t=t,this}getExtras(){return this.g}setExtras(t){return this.g=t,this}clone(){throw new Error("Not implemented.")}detach(){return this.l.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.p(this),this.addGraphChild(this.extensions,this.l.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.m=null,this.v="SCALAR",this.A=null,this.T=!1,this.M=d,this.S=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.S(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.m[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.S(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.m[r+e];Number.isFinite(s)&&(t[e]=Math.max(t[e],s))}return t}getCount(){return this.m.length/this.getElementSize()}getType(){return this.v}setType(t){return this.v=t,this}getElementSize(){return l.getElementSize(this.v)}getComponentSize(){return this.m.BYTES_PER_ELEMENT}getComponentType(){return this.A}getNormalized(){return this.T}setNormalized(t){return this.T=t,t?(this.S=t=>function(t,e){switch(e){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.A),this.M=t=>function(t,e){switch(e){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.A)):(this.S=d,this.M=d),this}getScalar(t){const e=this.getElementSize();return this.S(this.m[t*e])}setScalar(t,e){return this.m[t*this.getElementSize()]=this.M(e),this}getElement(t,e){const s=this.getElementSize();for(let r=0;r<s;r++)e[r]=this.S(this.m[t*s+r]);return e}setElement(t,e){const s=this.getElementSize();for(let r=0;r<s;r++)this.m[t*s+r]=this.M(e[r]);return this}getBuffer(){return this.buffer.getChild()}setBuffer(t){return this.buffer=this.l.link("buffer",this,t),this}getArray(){return this.m}setArray(t){return this.A=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.m=t,this}getByteLength(){return this.m.byteLength}}function d(t){return t}l.Type={SCALAR:"SCALAR",VEC2:"VEC2",VEC3:"VEC3",VEC4:"VEC4",MAT3:"MAT3",MAT4:"MAT4"},l.ComponentType={BYTE:5120,UNSIGNED_BYTE:5121,SHORT:5122,UNSIGNED_SHORT:5123,UNSIGNED_INT:5125,FLOAT:5126},r([o],l.prototype,"buffer",void 0);class f extends a{constructor(){super(...arguments),this.propertyType=i.ANIMATION,this.channels=[],this.samplers=[]}addChannel(t){const e=this.l.link("channel",this,t);return this.addGraphChild(this.channels,e)}removeChannel(t){return this.removeGraphChild(this.channels,t)}listChannels(){return this.channels.map(t=>t.getChild())}addSampler(t){const e=this.l.link("sampler",this,t);return this.addGraphChild(this.samplers,e)}removeSampler(t){return this.removeGraphChild(this.samplers,t)}listSamplers(){return this.samplers.map(t=>t.getChild())}}r([u],f.prototype,"channels",void 0),r([u],f.prototype,"samplers",void 0);class g extends c{constructor(){super(...arguments),this.propertyType=i.ANIMATION_CHANNEL,this.N=null,this.targetNode=null,this.sampler=null}getTargetPath(){return this.N}setTargetPath(t){return this.N=t,this}getTargetNode(){return this.targetNode?this.targetNode.getChild():null}setTargetNode(t){return this.targetNode=this.l.link("target.node",this,t),this}getSampler(){return this.sampler?this.sampler.getChild():null}setSampler(t){return this.sampler=this.l.link("sampler",this,t),this}}r([o],g.prototype,"targetNode",void 0),r([o],g.prototype,"sampler",void 0);class p extends c{constructor(){super(...arguments),this.propertyType=i.ANIMATION_SAMPLER,this.R="LINEAR",this.input=null,this.output=null}getInterpolation(){return this.R}setInterpolation(t){return this.R=t,this}getInput(){return this.input?this.input.getChild():null}setInput(t){return this.input=this.l.link("input",this,t),this}getOutput(){return this.output?this.output.getChild():null}setOutput(t){return this.output=this.l.link("output",this,t),this}}r([o],p.prototype,"input",void 0),r([o],p.prototype,"output",void 0);class m extends a{constructor(){super(...arguments),this.propertyType=i.BUFFER}getURI(){return this.I}setURI(t){return this.I=t,this}}class w extends a{constructor(){super(...arguments),this.propertyType=i.CAMERA,this.v="perspective"}getType(){return this.v}setType(t){return this.v=t,this}getZNear(){return this.C}setZNear(t){return this.C=t,this}getZFar(){return this._}setZFar(t){return this._=t,this}getAspectRatio(){return this.B}setAspectRatio(t){return this.B=t,this}getYFov(){return this.U}setYFov(t){return this.U=t,this}getXMag(){return this.k}setXMag(t){return this.k=t,this}getYMag(){return this.L}setYMag(t){return this.L=t,this}}class v extends c{constructor(t,e){super(t),this.P=e,this.P.addExtensionProperty(this)}dispose(){this.P.removeExtensionProperty(this),super.dispose()}p(t){if(!this.parentTypes.includes(t.propertyType))throw new Error(`Parent "${t.propertyType}" invalid for child "${this.propertyType}".`)}}class x{static createBufferFromDataURI(t){if("undefined"==typeof Buffer){const e=atob(t.split(",")[1]),s=new Uint8Array(e.length);for(let t=0;t<e.length;t++)s[t]=e.charCodeAt(t);return s.buffer}{const e=t.split(",")[1],s=t.indexOf("base64")>=0;return this.trim(Buffer.from(e,s?"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:e,byteLength:s}=t;return t.buffer.slice(e,e+s)}static concat(t){let e=0;for(const s of t)e+=s.byteLength;const s=new Uint8Array(e);let r=0;for(const e of t)s.set(new Uint8Array(e),r),r+=e.byteLength;return s.buffer}static pad(t,e=0){const s=this.padNumber(t.byteLength);if(s!==t.byteLength){const r=new Uint8Array(s);if(r.set(new Uint8Array(t)),0!==e)for(let i=t.byteLength;i<s;i++)r[i]=e;return r.buffer}return t}static padNumber(t){return 4*Math.ceil(t/4)}static equals(t,e){if(t===e)return!0;if(t.byteLength!==e.byteLength)return!1;const s=new DataView(t),r=new DataView(e);let i=t.byteLength;for(;i--;)if(s.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 e,s;for(t=t.slice(4);t.length;){if(e=t.readUInt16BE(0),E(t,e),s=t[e+1],192===s||193===s||194===s)return[t.readUInt16BE(e+7),t.readUInt16BE(e+5)];t=t.slice(e+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,e){if(e>t.length)throw new TypeError("Corrupt JPG, exceeded buffer limits");if(255!==t[e])throw new TypeError("Invalid JPG, marker table corrupted")}class y{constructor(t){this.verbosity=t}debug(t){this.verbosity<=y.Verbosity.DEBUG&&console.debug(t)}info(t){this.verbosity<=y.Verbosity.INFO&&console.info(t)}warn(t){this.verbosity<=y.Verbosity.WARN&&console.warn(t)}error(t){this.verbosity<=y.Verbosity.ERROR&&console.error(t)}}y.Verbosity={SILENT:4,ERROR:3,WARN:2,INFO:1,DEBUG:0};const b="23456789abdegjkmnpqrvwxyzABDEGJKMNPQRVWXYZ",M=new Set,S=function(){let t="";for(let e=0;e<6;e++)t+=b.charAt(Math.floor(Math.random()*b.length));return t},N=function(){for(let t=0;t<999;t++){const t=S();if(!M.has(t))return M.add(t),t}};class R extends a{constructor(){super(...arguments),this.propertyType=i.TEXTURE,this.image=null,this.mimeType="",this.uri=""}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$/),t?T.getSizePNG(Buffer.from(this.image)):T.getSizeJPEG(Buffer.from(this.image))}}class I{constructor(){this.propertyType=i.TEXTURE_INFO,this.texCoord=0}getTexCoord(){return this.texCoord}setTexCoord(t){return this.texCoord=t,this}}class C{constructor(){this.propertyType=i.TEXTURE_SAMPLER,this.O=null,this.F=null,this.G=10497,this.j=10497}getMagFilter(){return this.O}setMagFilter(t){return this.O=t,this}getMinFilter(){return this.F}setMinFilter(t){return this.F=t,this}getWrapS(){return this.G}setWrapS(t){return this.G=t,this}getWrapT(){return this.j}setWrapT(t){return this.j=t,this}}C.TextureWrapMode={CLAMP_TO_EDGE:33071,MIRRORED_REPEAT:33648,REPEAT:10497},C.TextureMagFilter={NEAREST:9728,LINEAR:9729},C.TextureMinFilter={NEAREST:9728,LINEAR:9729,NEAREST_MIPMAP_NEAREST:9984,LINEAR_MIPMAP_NEAREST:9985,NEAREST_MIPMAP_LINEAR:9986,LINEAR_MIPMAP_LINEAR:9987};class _ extends n{constructor(){super(...arguments),this.textureInfo=new I,this.sampler=new C}}class B extends n{constructor(){super(...arguments),this.semantic=""}}class U extends n{}class k extends h{linkTexture(t,e,s){if(!s)return null;const r=new _(t,e,s);return this.registerLink(r),r}linkAttribute(t,e,s){if(!s)return null;const r=new B(t,e,s);return this.registerLink(r),r}linkIndex(t,e,s){if(!s)return null;const r=new U(t,e,s);return this.registerLink(r),r}}class L extends a{constructor(){super(...arguments),this.propertyType=i.MATERIAL,this.D="OPAQUE",this.$=.5,this.J=!1,this.V=[1,1,1,1],this.W=[0,0,0],this.Y=1,this.q=1,this.Z=1,this.X=1,this.baseColorTexture=null,this.emissiveTexture=null,this.normalTexture=null,this.occlusionTexture=null,this.metallicRoughnessTexture=null}getDoubleSided(){return this.J}setDoubleSided(t){return this.J=t,this}getAlphaMode(){return this.D}setAlphaMode(t){return this.D=t,this}getAlphaCutoff(){return this.$}setAlphaCutoff(t){return this.$=t,this}getBaseColorFactor(){return this.V}setBaseColorFactor(t){return this.V=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.l.linkTexture("baseColorTexture",this,t),this}getEmissiveFactor(){return this.W}setEmissiveFactor(t){return this.W=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.l.linkTexture("emissiveTexture",this,t),this}getNormalScale(){return this.Y}setNormalScale(t){return this.Y=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.l.linkTexture("normalTexture",this,t),this}getOcclusionStrength(){return this.q}setOcclusionStrength(t){return this.q=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.l.linkTexture("occlusionTexture",this,t),this}getRoughnessFactor(){return this.Z}setRoughnessFactor(t){return this.Z=t,this}getMetallicFactor(){return this.X}setMetallicFactor(t){return this.X=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.l.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.H=[],this.primitives=[]}addPrimitive(t){return this.addGraphChild(this.primitives,this.l.link("primitive",this,t))}removePrimitive(t){return this.removeGraphChild(this.primitives,t)}listPrimitives(){return this.primitives.map(t=>t.getChild())}getWeights(){return this.H}setWeights(t){return this.H=t,this}}r([u],P.prototype,"primitives",void 0);class O extends c{constructor(){super(...arguments),this.propertyType=i.PRIMITIVE,this.K=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.l.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.l.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.l.link("material",this,t),this}getMode(){return this.K}setMode(t){return this.K=t,this}listTargets(){return this.targets.map(t=>t.getChild())}addTarget(t){return this.addGraphChild(this.targets,this.l.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.l.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.tt=[0,0,0],this.et=[0,0,0,1],this.st=[1,1,1],this.H=[],this.camera=null,this.mesh=null,this.skin=null,this.children=[]}getTranslation(){return this.tt}getRotation(){return this.et}getScale(){return this.st}setTranslation(t){return this.tt=t,this}setRotation(t){return this.et=t,this}setScale(t){return this.st=t,this}addChild(t){const e=this.l.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.l.link("mesh",this,t),this}getCamera(){return this.camera?this.camera.getChild():null}setCamera(t){return this.camera=this.l.link("camera",this,t),this}getSkin(){return this.skin?this.skin.getChild():null}setSkin(t){return this.skin=this.l.link("skin",this,t),this}getWeights(){return this.H}setWeights(t){return this.H=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.rt={generator:"glTF-Transform v0.4.0-alpha.2",version:"2.0"},this.it=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.rt}listExtensionsUsed(){return Array.from(this.it)}listExtensionsRequired(){return this.listExtensionsUsed().filter(t=>t.isRequired())}nt(t){if(this.it.has(t))throw new Error(`Extension "${t.extensionName}" is already enabled.`);return this.it.add(t),this}ht(t){return this.it.delete(t),this}ot(t){return 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this.animations.map(t=>t.getChild())}pt(t){return this.addGraphChild(this.accessors,this.l.link("accessor",this,t))}listAccessors(){return this.accessors.map(t=>t.getChild())}wt(t){return this.addGraphChild(this.buffers,this.l.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.l.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.l.link("skeleton",this,t),this}getInverseBindMatrices(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null}setInverseBindMatrices(t){return this.inverseBindMatrices=this.l.link("inverseBindMatrices",this,t),this}addJoint(t){const e=this.l.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.ot(e),e}createNode(t){const e=new G(this.graph,t);return this.root.ut(e),e}createCamera(t){const e=new w(this.graph,t);return this.root.ct(e),e}createSkin(t){const e=new $(this.graph,t);return this.root.at(e),e}createMesh(t){const e=new P(this.graph,t);return this.root.lt(e),e}createPrimitive(){return new O(this.graph)}createPrimitiveTarget(t){return new F(this.graph,t)}createMaterial(t){const e=new L(this.graph,t);return this.root.dt(e),e}createTexture(t){const e=new R(this.graph,t);return this.root.ft(e),e}createAnimation(t){const e=new f(this.graph,t);return this.root.gt(e),e}createAnimationChannel(){return new g(this.graph)}createAnimationSampler(){return new p(this.graph)}createAccessor(t,e=null){e||(e=this.getRoot().listBuffers()[0]);const s=new l(this.graph,t).setBuffer(e);return this.root.pt(s),s}createBuffer(t){const e=new m(this.graph,t);return this.root.wt(e),e}}class J{constructor(t){this.doc=t,this.vt=!1,this.xt=new Set,t.getRoot().nt(this)}dispose(){this.doc.getRoot().ht(this);for(const t of this.xt)t.dispose()}isRequired(){return this.vt}setRequired(t){return this.vt=t,this}addExtensionProperty(t){return this.xt.add(t),this}removeExtensionProperty(t){return this.xt.delete(t),this}}class V{constructor(t){this.nativeDocument=t,this.buffers=[],this.bufferViewBuffers=[],this.accessors=[],this.textures=[],this.materials=[],this.meshes=[],this.cameras=[],this.nodes=[],this.skins=[],this.animations=[],this.scenes=[]}}const W={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};class Y{static read(r,i){const{json:n}=r,h=new z;if("2.0"!==n.asset.version)throw new Error(`Unsupported glTF version: "${n.asset.version}".`);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?X(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=X(h,e),c=X(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):X(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["At"]).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 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t=s.metallicRoughnessTexture;e.setMetallicRoughnessTexture(o.textures[u[t.index].source]),q(e.getMetallicRoughnessTextureInfo(),t),Z(e.getMetallicRoughnessTextureSampler(),t,r)}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){void 0!==e.texCoord&&t.setTexCoord(e.texCoord)}function Z(t,e,s){const r=s.json.textures[e.index];if(void 0===r.sampler)return;const i=s.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)}function X(t,e){const s=e.json.bufferViews[t.bufferView],r=e.json.buffers[s.buffer],i=r.uri?e.resources[r.uri]:e.resources["At"],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["At"],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 H{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 K{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 Q{static write(t,e){const s=t.getRoot(),r={json:{asset:s.getAsset()},resources:{}},i=r.json,n=new H(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 K(h>1,e.basename),n.imageURIGenerator=new K(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 tt{constructor(){this.it=[]}registerExtensions(t){return this.it.push(...t),this}createDocument(t){return Y.read(t,{extensions:this.it})}createNativeDocument(t,e){if(e.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return Q.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, "${e[1]}".`);const s=new Uint32Array(t,12,2),r=s[0],i=new Uint32Array(t,20+r,2);if(1313821514!==s[1]||5130562!==i[1])throw new Error("Unexpected GLB layout.");const n=x.decodeText(t.slice(20,20+r)),h=JSON.parse(n),o=20+r+8,u=t.slice(o,o+i[0]);return this.createDocument({json:h,resources:{At:u}})}packGLB(t){const{json:e,resources:s}=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=JSON.stringify(e),i=x.pad(x.encodeText(r),32),n=new Uint32Array([i.byteLength,1313821514]).buffer,h=x.concat([n,i]),o=x.pad(Object.values(s)[0],0),u=new Uint32Array([o.byteLength,5130562]).buffer,c=x.concat([u,o]),a=new Uint32Array([1179937895,2,12+h.byteLength+c.byteLength]).buffer;return x.concat([a,h,c])}}class et extends tt{constructor(t,e){super(),this.fs=t,this.path=e}read(t){return t.match(/\.glb$/)?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()}.${A.extension(t.uri)}`;s.resources[e]=x.createBufferFromDataURI(t.uri),t.uri=e}}),Y.read(s,{extensions:this.it})}writeGLTF(t,e){const s={basename:A.basename(t),isGLB:!1},{json:r,resources:i}=Q.write(e,s),{fs:n,path:h}=this,o=h.dirname(t);n.writeFileSync(t,JSON.stringify(r,null,2)),Object.keys(i).forEach(t=>{const e=Buffer.from(i[t]);n.writeFileSync(h.join(o,t),e)})}writeGLB(t,e){const s=Buffer.from(this.packGLB(e));this.fs.writeFileSync(t,s)}}class st extends tt{constructor(t){super(),this.fetchConfig=t}read(t){return t.match(/\.glb$/)?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,T as ImageUtils,y as Logger,L as Material,P as Mesh,G as Node,et 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,C as TextureSampler,st as WebIO,H as WriterContext,N as uuid};
 //# sourceMappingURL=core.modern.js.map

dist/core.umd.js

@@ -1,2 +0,2 @@
-!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports,require("gl-matrix/mat4")):"function"==typeof define&&define.amd?define(["exports","gl-matrix/mat4"],n):n((t=t||self).core={},t.mat4)}(this,function(t,n){function r(){return(r=Object.assign||function(t){for(var n=1;n<arguments.length;n++){var r=arguments[n];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t}).apply(this,arguments)}function i(t,n){t.prototype=Object.create(n.prototype),t.prototype.constructor=t,t.__proto__=n}function u(t,n){(null==n||n>t.length)&&(n=t.length);for(var r=0,i=new Array(n);r<n;r++)i[r]=t[r];return i}function e(t){var n=0;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(t=function(t,n){if(t){if("string"==typeof t)return u(t,void 0);var 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i=this.l.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.l.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.l.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="PrimitiveTarget",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.l.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="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.l.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.l.link("mesh",this,t),this},r.getCamera=function(){return this.camera?this.camera.getChild():null},r.setCamera=function(t){return this.camera=this.l.link("camera",this,t),this},r.getSkin=function(){return this.skin?this.skin.getChild():null},r.setSkin=function(t){return this.skin=this.l.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="Root",n.rt={generator:"glTF-Transform v0.4.0-alpha.1",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.l.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.l.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.l.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.l.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.l.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.l.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.l.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.l.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.l.link("accessor",this,t))},r.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},r.wt=function(t){return this.addGraphChild(this.buffers,this.l.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="Scene",n.nodes=[],n}i(n,t);var r=n.prototype;return r.addNode=function(t){return this.addGraphChild(this.nodes,this.l.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="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.l.link("skeleton",this,t),this},r.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},r.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.l.link("inverseBindMatrices",this,t),this},r.addJoint=function(t){var 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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["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=T.extension(n.uri);r.setMimeType("png"===f?"image/png":"image/jpeg")}return r}),o.materials=(u.materials||[]).map(function(n){var r=s.createMaterial(n.name);void 0!==n.alphaMode&&r.setAlphaMode(n.alphaMode),void 0!==n.alphaCutoff&&r.setAlphaCutoff(n.alphaCutoff),void 0!==n.doubleSided&&r.setDoubleSided(n.doubleSided);var i=n.pbrMetallicRoughness||{};if(void 0!==i.baseColorFactor&&r.setBaseColorFactor(i.baseColorFactor),void 0!==n.emissiveFactor&&r.setEmissiveFactor(n.emissiveFactor),void 0!==i.metallicFactor&&r.setMetallicFactor(i.metallicFactor),void 0!==i.roughnessFactor&&r.setRoughnessFactor(i.roughnessFactor),void 0!==i.baseColorTexture){var u=i.baseColorTexture;r.setBaseColorTexture(o.textures[h[u.index].source]),Q(r.getBaseColorTextureInfo(),u),W(r.getBaseColorTextureSampler(),u,t)}if(void 0!==n.emissiveTexture){var e=n.emissiveTexture;r.setEmissiveTexture(o.textures[h[e.index].source]),Q(r.getEmissiveTextureInfo(),e),W(r.getEmissiveTextureSampler(),e,t)}if(void 0!==n.normalTexture){var f=n.normalTexture;r.setNormalTexture(o.textures[h[f.index].source]),Q(r.getNormalTextureInfo(),f),W(r.getNormalTextureSampler(),f,t),void 0!==n.normalTexture.scale&&r.setNormalScale(n.normalTexture.scale)}if(void 0!==n.occlusionTexture){var c=n.occlusionTexture;r.setOcclusionTexture(o.textures[h[c.index].source]),Q(r.getOcclusionTextureInfo(),c),W(r.getOcclusionTextureSampler(),c,t),void 0!==n.occlusionTexture.strength&&r.setOcclusionStrength(n.occlusionTexture.strength)}if(void 0!==i.metallicRoughnessTexture){var a=i.metallicRoughnessTexture;r.setMetallicRoughnessTexture(o.textures[h[a.index].source]),Q(r.getMetallicRoughnessTextureInfo(),a),W(r.getMetallicRoughnessTextureSampler(),a,t)}return r}),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 w=c.value;a.includes(w.EXTENSION_NAME)&&s.createExtension(w).setRequired(v.includes(w.EXTENSION_NAME)).read(o)}return s},t}();function Q(t,n){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)}function W(t,n,r){var i=r.json.textures[n.index];if(void 0!==i.sampler){var u=r.json.samplers[i.sampler];void 0!==u.magFilter&&t.setMagFilter(u.magFilter),void 0!==u.minFilter&&t.setMinFilter(u.minFilter),void 0!==u.wrapS&&t.setWrapS(u.wrapS),void 0!==u.wrapT&&t.setWrapT(u.wrapT)}}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=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["yt"],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 w=h+v*a+d*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+d]=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 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r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.NODE,r.tt=[0,0,0],r.nt=[0,0,0,1],r.rt=[1,1,1],r.X=[],r.camera=null,r.mesh=null,r.skin=null,r.children=[],r}i(r,n);var u=r.prototype;return u.getTranslation=function(){return this.tt},u.getRotation=function(){return this.nt},u.getScale=function(){return this.rt},u.setTranslation=function(t){return this.tt=t,this},u.setRotation=function(t){return this.nt=t,this},u.setScale=function(t){return this.rt=t,this},u.addChild=function(t){var n=this.l.link("child",this,t);return this.addGraphChild(this.children,n)},u.removeChild=function(t){return this.removeGraphChild(this.children,t)},u.listChildren=function(){return this.children.map(function(t){return t.getChild()})},u.getMesh=function(){return this.mesh?this.mesh.getChild():null},u.setMesh=function(t){return this.mesh=this.l.link("mesh",this,t),this},u.getCamera=function(){return this.camera?this.camera.getChild():null},u.setCamera=function(t){return this.camera=this.l.link("camera",this,t),this},u.getSkin=function(){return this.skin?this.skin.getChild():null},u.setSkin=function(t){return this.skin=this.l.link("skin",this,t),this},u.getWeights=function(){return this.X},u.setWeights=function(t){return this.X=t,this},r}(l);s([c],F.prototype,"camera",void 0),s([c],F.prototype,"mesh",void 0),s([c],F.prototype,"skin",void 0),s([a],F.prototype,"children",void 0);var J=function(n){function r(){var r;return(r=n.apply(this,arguments)||this).propertyType=t.PropertyType.ROOT,r.it={generator:"glTF-Transform v0.4.0-alpha.2",version:"2.0"},r.ut=new Set,r.scenes=[],r.nodes=[],r.cameras=[],r.skins=[],r.meshes=[],r.materials=[],r.textures=[],r.animations=[],r.accessors=[],r.buffers=[],r}i(r,n);var u=r.prototype;return u.getAsset=function(){return this.it},u.listExtensionsUsed=function(){return Array.from(this.ut)},u.listExtensionsRequired=function(){return this.listExtensionsUsed().filter(function(t){return t.isRequired()})},u.et=function(t){if(this.ut.has(t))throw new Error('Extension "'+t.extensionName+'" is already enabled.');return this.ut.add(t),this},u.st=function(t){return this.ut.delete(t),this},u.ot=function(t){return this.addGraphChild(this.scenes,this.l.link("scene",this,t))},u.listScenes=function(){return this.scenes.map(function(t){return t.getChild()})},u.ht=function(t){return this.addGraphChild(this.nodes,this.l.link("node",this,t))},u.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},u.ft=function(t){return this.addGraphChild(this.cameras,this.l.link("camera",this,t))},u.listCameras=function(){return this.cameras.map(function(t){return t.getChild()})},u.ct=function(t){return this.addGraphChild(this.skins,this.l.link("skin",this,t))},u.listSkins=function(){return this.skins.map(function(t){return t.getChild()})},u.at=function(t){return this.addGraphChild(this.meshes,this.l.link("mesh",this,t))},u.listMeshes=function(){return this.meshes.map(function(t){return t.getChild()})},u.vt=function(t){return this.addGraphChild(this.materials,this.l.link("material",this,t))},u.listMaterials=function(){return this.materials.map(function(t){return t.getChild()})},u.lt=function(t){return this.addGraphChild(this.textures,this.l.link("texture",this,t))},u.listTextures=function(){return this.textures.map(function(t){return t.getChild()})},u.dt=function(t){return this.addGraphChild(this.animations,this.l.link("animation",this,t))},u.listAnimations=function(){return this.animations.map(function(t){return t.getChild()})},u.wt=function(t){return this.addGraphChild(this.accessors,this.l.link("accessor",this,t))},u.listAccessors=function(){return this.accessors.map(function(t){return t.getChild()})},u.pt=function(t){return this.addGraphChild(this.buffers,this.l.link("buffer",this,t))},u.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},r}(v);s([a],J.prototype,"scenes",void 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this.skeleton?this.skeleton.getChild():null},u.setSkeleton=function(t){return this.skeleton=this.l.link("skeleton",this,t),this},u.getInverseBindMatrices=function(){return this.inverseBindMatrices?this.inverseBindMatrices.getChild():null},u.setInverseBindMatrices=function(t){return this.inverseBindMatrices=this.l.link("inverseBindMatrices",this,t),this},u.addJoint=function(t){var n=this.l.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 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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){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)}function X(t,n,r){var i=r.json.textures[n.index];if(void 0!==i.sampler){var u=r.json.samplers[i.sampler];void 0!==u.magFilter&&t.setMagFilter(u.magFilter),void 0!==u.minFilter&&t.setMinFilter(u.minFilter),void 0!==u.wrapS&&t.setWrapS(u.wrapS),void 0!==u.wrapT&&t.setWrapT(u.wrapT)}}function Z(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],u=i.uri?n.resources[i.uri]:n.resources["bt"],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["bt"],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 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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}(),nt=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}(),rt=function(){function t(){}return t.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},u=i.json,s=new tt(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=T.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:T.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+=T.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,b=0,m=e(t);!(y=m()).done;){for(var E=y.value,g=E.getElementSize(),M=E.getComponentSize(),x=E.getComponentType(),S=E.getArray(),R=0;R<g;R++){var N=A*h+b+R*M,U=S[A*g+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)}}b+=T.padNumber(g*M)}return u.bufferViews.push({buffer:n,byteOffset:r,byteLength:d,byteStride:h,target:34962}),{byteLength:d,buffers:[w]}}s.bufferURIGenerator=new nt(o>1,n.basename),s.imageURIGenerator=new nt(h>1,n.basename),s.logger=t.getLogger();for(var a,v=new Map,l=e(t.getGraph().getLinks());!(a=l()).done;){var w=a.value;if(w.getParent()!==r){var p=w.getChild();if(p instanceof d){var A=v.get(p)||[];A.push(w),v.set(p,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,l=new Set,w=e(t.listParents().filter(function(t){return!(t instanceof J)}));!(r=w()).done;){var p=r.value;if(!(p instanceof d))throw new Error("Unimplemented buffer reference: "+p);for(var A,y=!1,b=!1,m=!1,E=v.get(p)||[],g=e(E);!(A=g()).done;){var M=A.value;M instanceof k?y=!0:M instanceof C?b=!0:m=!0}if(y||b||m||(m=!0),!y||b||m)if(!b||y||m){if(!m||y||b)throw new Error("Attribute or index accessors must be used only for that purpose.");l.add(p)}else a.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(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 L=j[O];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]=T.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(),b=t.getMetallicRoughnessTextureInfo(),m=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=s.createTextureInfoDef(y,b,m)}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}(),it=function(){function t(){this.ut=[]}var n=t.prototype;return n.registerExtensions=function(t){var n;return(n=this.ut).push.apply(n,t),this},n.createDocument=function(t){return Q.read(t,{extensions:this.ut})},n.createNativeDocument=function(t,n){if(n.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return rt.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=T.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["bt"]=f,n)})},n.packGLB=function(t){var n=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=n.resources,i=JSON.stringify(n.json),u=T.pad(T.encodeText(i),32),e=new Uint32Array([u.byteLength,1313821514]).buffer,s=T.concat([e,u]),o=T.pad(Object.values(r)[0],0),h=new Uint32Array([o.byteLength,5130562]).buffer,f=T.concat([h,o]),c=new Uint32Array([1179937895,2,12+s.byteLength+f.byteLength]).buffer;return T.concat([c,s,f])},t}(),ut=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$/)?this.writeGLB(t,n):this.writeGLTF(t,n)},r.readGLB=function(t){var n=this.fs.readFileSync(t),r=T.trim(n);return this.unpackGLB(r)},r.readGLTF=function(t){var n=this,r=this.path.dirname(t),i={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[].concat(i.json.images||[],i.json.buffers||[]).forEach(function(t){if(t.uri&&!t.uri.match(/data:/)){var u=n.path.resolve(r,t.uri);i.resources[t.uri]=T.trim(n.fs.readFileSync(u))}else{var e="__"+I()+"."+g.extension(t.uri);i.resources[e]=T.createBufferFromDataURI(t.uri),t.uri=e}}),Q.read(i,{extensions:this.ut})},r.writeGLTF=function(t,n){var r={basename:g.basename(t),isGLB:!1},i=rt.write(n,r),u=i.json,e=i.resources,s=this.fs,o=this.path,h=o.dirname(t);s.writeFileSync(t,JSON.stringify(u,null,2)),Object.keys(e).forEach(function(t){var n=Buffer.from(e[t]);s.writeFileSync(o.join(h,t),n)})},r.writeGLB=function(t,n){var r=Buffer.from(this.packGLB(n));this.fs.writeFileSync(t,r)},n}(it),et=function(t){function n(n){var r;return(r=t.call(this)||this).fetchConfig=n,r}i(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?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}(it);t.Accessor=d,t.Animation=p,t.AnimationChannel=A,t.AnimationSampler=y,t.Buffer=b,t.BufferUtils=T,t.Camera=m,t.Document=Y,t.Extension=q,t.ExtensionProperty=E,t.FileUtils=g,t.Graph=f,t.ImageUtils=M,t.Logger=S,t.Material=P,t.Mesh=V,t.Node=F,t.NodeIO=ut,t.Primitive=D,t.PrimitiveTarget=G,t.Property=v,t.ReaderContext=H,t.Root=J,t.Scene=z,t.Skin=$,t.Texture=_,t.TextureInfo=O,t.TextureSampler=j,t.WebIO=et,t.WriterContext=tt,t.uuid=I});
 //# sourceMappingURL=core.umd.js.map

dist/io/io.d.ts

@@ -37,3 +37,3 @@ import { Document } from '../document';
  * const path = require('path');
- * const { WebIO } = require('@gltf-transform/core');
+ * const { NodeIO } = require('@gltf-transform/core');
  *
@@ -40,0 +40,0 @@ * const io = new NodeIO(fs, path);

dist/io/writer-context.d.ts

 import { NativeDocument } from '../native-document';
-import { Accessor, Camera, Material, Mesh, Node, Property, Skin, Texture, TextureInfo, TextureSampler } from '../properties';
+import { Accessor, Buffer, Camera, Material, Mesh, Node, Property, Skin, Texture, TextureInfo, TextureSampler } from '../properties';
+import { Logger } from '../utils';
+import { WriterOptions } from './writer';
 declare type PropertyDef = GLTF.IScene | GLTF.INode | GLTF.IMaterial | GLTF.ISkin | GLTF.ITexture;
@@ -12,2 +14,3 @@ /**
     readonly nativeDocument: NativeDocument;
+    readonly options: WriterOptions;
     readonly accessorIndexMap: Map<Accessor, number>;
@@ -23,3 +26,6 @@ readonly cameraIndexMap: Map<Camera, number>;
     readonly imageData: ArrayBuffer[];
-    constructor(nativeDocument: NativeDocument);
+    bufferURIGenerator: UniqueURIGenerator;
+    imageURIGenerator: UniqueURIGenerator;
+    logger: Logger;
+    constructor(nativeDocument: NativeDocument, options: WriterOptions);
     /**
@@ -32,3 +38,11 @@ * Creates a TextureInfo definition, and any Texture or Sampler definitions it requires. If
     createAccessorDef(accessor: Accessor): GLTF.IAccessor;
+    createImageData(imageDef: GLTF.IImage, data: ArrayBuffer, texture: Texture): void;
 }
+export declare class UniqueURIGenerator {
+    private readonly multiple;
+    private readonly basename;
+    private counter;
+    constructor(multiple: boolean, basename: string);
+    createURI(object: Texture | Buffer, extension: string): string;
+}
 export {};

dist/properties/accessor.d.ts

@@ -1,2 +0,2 @@
-import { TypedArray } from '../constants';
+import { PropertyType, TypedArray } from '../constants';
 import { Buffer } from './buffer';
@@ -80,3 +80,3 @@ import { ExtensibleProperty } from './extensible-property';
 export declare class Accessor extends ExtensibleProperty {
-    readonly propertyType = "Accessor";
+    readonly propertyType = PropertyType.ACCESSOR;
     /** Raw data of the accessor. */
@@ -83,0 +83,0 @@ private _array;

dist/properties/animation.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { Accessor } from './accessor';
@@ -42,3 +43,3 @@ import { ExtensibleProperty } from './extensible-property';
 export declare class Animation extends ExtensibleProperty {
-    readonly propertyType = "Animation";
+    readonly propertyType = PropertyType.ANIMATION;
     private channels;
@@ -88,3 +89,3 @@ private samplers;
 export declare class AnimationChannel extends Property {
-    readonly propertyType = "AnimationChannel";
+    readonly propertyType = PropertyType.ANIMATION_CHANNEL;
     private _targetPath;
@@ -159,3 +160,3 @@ private targetNode;
 export declare class AnimationSampler extends Property {
-    readonly propertyType = "AnimationChannel";
+    readonly propertyType = PropertyType.ANIMATION_SAMPLER;
     private _interpolation;
@@ -162,0 +163,0 @@ private input;

dist/properties/buffer.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -58,3 +59,3 @@ /**
 export declare class Buffer extends ExtensibleProperty {
-    readonly propertyType = "Buffer";
+    readonly propertyType = PropertyType.BUFFER;
     /** URI (or filename) of the buffer. */
@@ -61,0 +62,0 @@ private _uri;

dist/properties/camera.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -31,3 +32,3 @@ /**
 export declare class Camera extends ExtensibleProperty {
-    readonly propertyType = "Camera";
+    readonly propertyType = PropertyType.CAMERA;
     private _type;
@@ -34,0 +35,0 @@ private _znear;

dist/properties/extension-property.d.ts

@@ -0,1 +1,2 @@
+import { ExtensibleProperty } from './extensible-property';
 import { Property } from './property';
@@ -48,6 +49,10 @@ import { PropertyGraph } from './property-graph';
     private readonly _extension;
+    static EXTENSION_NAME: string;
     abstract readonly extensionName: string;
-    static EXTENSION_NAME: string;
+    /** List of supported {@link Property} types. */
+    abstract readonly parentTypes: string[];
     constructor(graph: PropertyGraph, _extension: ExtensionPropertyParent);
     dispose(): void;
+    /** @hidden */
+    _validateParent(parent: ExtensibleProperty): void;
 }

dist/properties/material.d.ts

@@ -1,2 +0,2 @@
-import { vec3, vec4 } from '../constants';
+import { PropertyType, vec3, vec4 } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -37,3 +37,3 @@ import { Texture, TextureInfo, TextureSampler } from './texture';
 export declare class Material extends ExtensibleProperty {
-    readonly propertyType = "Material";
+    readonly propertyType = PropertyType.MATERIAL;
     /** Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */
@@ -40,0 +40,0 @@ private _alphaMode;

dist/properties/mesh.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { Accessor } from './accessor';
@@ -39,3 +40,3 @@ import { ExtensibleProperty } from './extensible-property';
 export declare class Mesh extends ExtensibleProperty {
-    readonly propertyType = "Mesh";
+    readonly propertyType = PropertyType.MESH;
     private _weights;
@@ -98,3 +99,3 @@ /** Primitive GPU draw call list. */
 export declare class Primitive extends Property {
-    readonly propertyType = "Primitive";
+    readonly propertyType = PropertyType.PRIMITIVE;
     /** GPU draw mode. */
@@ -184,3 +185,3 @@ private _mode;
 export declare class PrimitiveTarget extends Property {
-    readonly propertyType = "PrimitiveTarget";
+    readonly propertyType = PropertyType.PRIMITIVE_TARGET;
     /** Vertex attributes. */
@@ -187,0 +188,0 @@ private attributes;

dist/properties/node.d.ts

@@ -1,2 +0,2 @@
-import { vec3, vec4 } from '../constants';
+import { PropertyType, vec3, vec4 } from '../constants';
 import { Camera } from './camera';
@@ -35,3 +35,3 @@ import { ExtensibleProperty } from './extensible-property';
 export declare class Node extends ExtensibleProperty {
-    readonly propertyType = "Node";
+    readonly propertyType = PropertyType.NODE;
     private _translation;
@@ -38,0 +38,0 @@ private _rotation;

dist/properties/root.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { Extension } from '../extension';
@@ -46,3 +47,3 @@ import { Accessor } from './accessor';
 export declare class Root extends Property {
-    readonly propertyType = "Root";
+    readonly propertyType = PropertyType.ROOT;
     private readonly _asset;
@@ -49,0 +50,0 @@ private readonly _extensions;

dist/properties/scene.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -20,3 +21,3 @@ import { Node } from './node';
 export declare class Scene extends ExtensibleProperty {
-    readonly propertyType = "Scene";
+    readonly propertyType = PropertyType.SCENE;
     private nodes;
@@ -23,0 +24,0 @@ /** Adds a {@link Node} to the scene. */

dist/properties/skin.d.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { Accessor } from './accessor';
@@ -16,3 +17,3 @@ import { ExtensibleProperty } from './extensible-property';
 export declare class Skin extends ExtensibleProperty {
-    readonly propertyType = "Skin";
+    readonly propertyType = PropertyType.SKIN;
     private skeleton;
@@ -19,0 +20,0 @@ private inverseBindMatrices;

dist/properties/texture.d.ts

@@ -1,2 +0,2 @@
-import { vec2 } from '../constants';
+import { PropertyType, vec2 } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -25,3 +25,3 @@ /**
 export declare class Texture extends ExtensibleProperty {
-    readonly propertyType = "Texture";
+    readonly propertyType = PropertyType.TEXTURE;
     /** Raw image data for this texture. */
@@ -77,3 +77,3 @@ private image;
 export declare class TextureInfo {
-    readonly propertyType = "TextureInfo";
+    readonly propertyType = PropertyType.TEXTURE_INFO;
     private texCoord;
@@ -99,3 +99,3 @@ /** Returns the texture coordinate (UV set) index for the texture. */
 export declare class TextureSampler {
-    readonly propertyType = "TextureSampler";
+    readonly propertyType = PropertyType.TEXTURE_SAMPLER;
     private _magFilter;
@@ -102,0 +102,0 @@ private _minFilter;

dist/utils/image-utils.d.ts

@@ -15,3 +15,5 @@ /// <reference types="node" />
     static getSizePNG(buffer: Buffer): vec2;
+    static mimeTypeToExtension(mimeType: string): string;
+    static extensionToMimeType(extension: string): string;
 }
 export { ImageUtils };

package.json

 {
   "name": "@gltf-transform/core",
-  "version": "0.4.0-alpha.1",
+  "version": "0.4.0-alpha.2",
   "repository": "github:donmccurdy/glTF-Transform",
@@ -38,3 +38,3 @@ "description": "glTF 2.0 SDK for JavaScript, TypeScript, and Node.js",
   },
-  "gitHead": "f7b4d2294c1a7c6e56696a4a71a03f3865d3db44"
+  "gitHead": "f744d10a839f51261f72ddc81c8eb559b2fe70ae"
 }

src/constants.ts

@@ -74,1 +74,22 @@ // Injected at compile time, from $npm_package_version.
 export type TypedArray = Float32Array | Uint32Array | Uint16Array | Uint8Array | Int16Array | Int8Array;
+
+/** String IDs for core {@link Property} types. */
+export enum PropertyType {
+	ACCESSOR = 'Accessor',
+	ANIMATION = 'Animation',
+	ANIMATION_CHANNEL = 'AnimationChannel',
+	ANIMATION_SAMPLER = 'AnimationSampler',
+	BUFFER = 'Buffer',
+	CAMERA = 'Camera',
+	MATERIAL = 'Material',
+	MESH = 'Mesh',
+	PRIMITIVE = 'Primitive',
+	PRIMITIVE_TARGET = 'PrimitiveTarget',
+	NODE = 'Node',
+	ROOT = 'Root',
+	SCENE = 'Scene',
+	SKIN = 'Skin',
+	TEXTURE = 'Texture',
+	TEXTURE_INFO = 'TextureInfo',
+	TEXTURE_SAMPLER = 'TextureSampler',
+}

src/core.ts

@@ -7,2 +7,3 @@ export { Document, Transform } from './document';
 export { BufferUtils, FileUtils, ImageUtils, Logger, uuid } from './utils/';
+export { PropertyType } from './constants';
 
@@ -9,0 +10,0 @@ /** [[include:CONCEPTS.md]] */

src/io/io.ts

@@ -103,3 +103,3 @@ import { GLB_BUFFER } from '../constants';
  * const path = require('path');
- * const { WebIO } = require('@gltf-transform/core');
+ * const { NodeIO } = require('@gltf-transform/core');
  *
@@ -106,0 +106,0 @@ * const io = new NodeIO(fs, path);

src/io/reader.ts

@@ -7,3 +7,3 @@ import { getRotation, getScaling, getTranslation } from 'gl-matrix/mat4'
 import { Accessor, TextureInfo, TextureSampler } from '../properties';
-import { FileUtils } from '../utils';
+import { FileUtils, ImageUtils } from '../utils';
 import { ReaderContext } from './reader-context';
@@ -113,3 +113,3 @@
 				const extension = FileUtils.extension(imageDef.uri);
-				texture.setMimeType(extension === 'png' ? 'image/png' : 'image/jpeg');
+				texture.setMimeType(ImageUtils.extensionToMimeType(extension));
 			}
@@ -116,0 +116,0 @@

src/io/writer-context.ts

 import { NativeDocument } from '../native-document';
-import { Accessor, Camera, Material, Mesh, Node, Property, Skin, Texture, TextureInfo, TextureSampler } from '../properties';
+import { Accessor, Buffer, Camera, Material, Mesh, Node, Property, Skin, Texture, TextureInfo, TextureSampler } from '../properties';
+import { ImageUtils, Logger } from '../utils';
+import { WriterOptions } from './writer';
 
@@ -25,4 +27,8 @@ type PropertyDef = GLTF.IScene | GLTF.INode | GLTF.IMaterial | GLTF.ISkin | GLTF.ITexture;
 
-	constructor (public readonly nativeDocument: NativeDocument) {}
+	public bufferURIGenerator: UniqueURIGenerator;
+	public imageURIGenerator: UniqueURIGenerator;
+	public logger: Logger;
 
+	constructor (public readonly nativeDocument: NativeDocument, public readonly options: WriterOptions) {}
+
 	/**
@@ -84,2 +90,36 @@ * Creates a TextureInfo definition, and any Texture or Sampler definitions it requires. If
 	}
+
+	public createImageData(imageDef: GLTF.IImage, data: ArrayBuffer, texture: Texture): void {
+		if (this.options.isGLB) {
+			this.imageData.push(data);
+			imageDef.bufferView = this.nativeDocument.json.bufferViews.length;
+			this.nativeDocument.json.bufferViews.push({
+				buffer: 0,
+				byteOffset: -1, // determined while iterating buffers, in Writer.ts.
+				byteLength: data.byteLength
+			});
+		} else {
+			const extension = ImageUtils.mimeTypeToExtension(texture.getMimeType());
+			imageDef.uri = this.imageURIGenerator.createURI(texture, extension);
+			this.nativeDocument.resources[imageDef.uri] = data;
+		}
+	}
 }
+
+export class UniqueURIGenerator {
+	private counter = 1;
+
+	constructor (
+		private readonly multiple: boolean,
+		private readonly basename: string) {}
+
+	public createURI(object: Texture | Buffer, extension: string): string {
+		if (object.getURI()) {
+			return object.getURI();
+		} else if (!this.multiple) {
+			return `${this.basename}.${extension}`;
+		} else {
+			return `${this.basename}_${this.counter++}.${extension}`;
+		}
+	}
+}

src/io/writer.ts

@@ -5,5 +5,5 @@ import { GLB_BUFFER, NAME } from '../constants';
 import { NativeDocument } from '../native-document';
-import { Accessor, AnimationSampler, AttributeLink, Buffer, IndexLink, Primitive, Property, Root, Texture } from '../properties';
+import { Accessor, AnimationSampler, AttributeLink, IndexLink, Primitive, Property, Root } from '../properties';
 import { BufferUtils } from '../utils';
-import { WriterContext } from './writer-context';
+import { UniqueURIGenerator, WriterContext } from './writer-context';
 
@@ -27,13 +27,11 @@ const BufferViewTarget = {
 
-		const logger = doc.getLogger();
+		/* Writer context. */
 
+		const context = new WriterContext(nativeDoc, options);
 		const numBuffers = root.listBuffers().length;
 		const numImages = root.listTextures().length;
-		const bufferURIGenerator = new UniqueURIGenerator(numBuffers> 1, options.basename);
-		const imageURIGenerator = new UniqueURIGenerator(numImages > 1, options.basename);
+		context.bufferURIGenerator = new UniqueURIGenerator(numBuffers > 1, options.basename);
+		context.imageURIGenerator = new UniqueURIGenerator(numImages > 1, options.basename);
+		context.logger = doc.getLogger();
 
-		/* Writer context. */
-
-		const context = new WriterContext(nativeDoc);
-
 		/* Utilities. */
@@ -204,17 +202,7 @@
 			if (texture.getMimeType()) {
-				imageDef.mimeType = texture.getMimeType() as GLTF.ImageMimeType;
+				imageDef.mimeType = texture.getMimeType();
 			}
 
-			if (options.isGLB) {
-				context.imageData.push(texture.getImage());
-				imageDef.bufferView = json.bufferViews.length;
-				json.bufferViews.push({
-					buffer: 0,
-					byteOffset: -1, // determined while iterating buffers, below.
-					byteLength: texture.getImage().byteLength
-				});
-			} else {
-				const extension = texture.getMimeType() === 'image/png' ? 'png' : 'jpeg';
-				imageDef.uri = imageURIGenerator.createURI(texture, extension);
-				nativeDoc.resources[imageDef.uri] = texture.getImage();
+			if (texture.getImage()) {
+				context.createImageData(imageDef, texture.getImage(), texture);
 			}
@@ -317,3 +305,3 @@
 			if (!bufferByteLength) {
-				logger.warn(`${NAME}: Skipping empty buffer, "${buffer.getName()}".`);
+				context.logger.warn(`${NAME}: Skipping empty buffer, "${buffer.getName()}".`);
 				return;
@@ -328,3 +316,3 @@ }
 			} else {
-				uri = bufferURIGenerator.createURI(buffer, 'bin');
+				uri = context.bufferURIGenerator.createURI(buffer, 'bin');
 				bufferDef.uri = uri;
@@ -620,19 +608,1 @@ }
 }
-
-class UniqueURIGenerator {
-	private counter = 1;
-
-	constructor (
-		private readonly multiple: boolean,
-		private readonly basename: string) {}
-
-	public createURI(object: Texture | Buffer, extension: string): string {
-		if (object.getURI()) {
-			return object.getURI();
-		} else if (!this.multiple) {
-			return `${this.basename}.${extension}`;
-		} else {
-			return `${this.basename}_${this.counter++}.${extension}`;
-		}
-	}
-}

src/properties/accessor.ts

@@ -1,2 +0,2 @@
-import { TypedArray } from '../constants';
+import { PropertyType, TypedArray } from '../constants';
 import { GraphChild, Link } from '../graph';
@@ -82,3 +82,3 @@ import { Buffer } from './buffer';
 export class Accessor extends ExtensibleProperty {
-	public readonly propertyType = 'Accessor';
+	public readonly propertyType = PropertyType.ACCESSOR;
 
@@ -85,0 +85,0 @@ /** Raw data of the accessor. */

src/properties/animation.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { GraphChild, GraphChildList, Link } from '../graph';
@@ -44,3 +45,3 @@ import { Accessor } from './accessor';
 export class Animation extends ExtensibleProperty {
-	public readonly propertyType = 'Animation';
+	public readonly propertyType = PropertyType.ANIMATION;
 	@GraphChildList private channels: Link<Animation, AnimationChannel>[] = [];
@@ -111,3 +112,3 @@ @GraphChildList private samplers: Link<Animation, AnimationSampler>[] = [];
 export class AnimationChannel extends Property {
-	public readonly propertyType = 'AnimationChannel';
+	public readonly propertyType = PropertyType.ANIMATION_CHANNEL;
 	private _targetPath: GLTF.AnimationChannelTargetPath = null;
@@ -204,3 +205,3 @@ @GraphChild private targetNode: Link<AnimationChannel, Node> = null;
 export class AnimationSampler extends Property {
-	public readonly propertyType = 'AnimationChannel';
+	public readonly propertyType = PropertyType.ANIMATION_SAMPLER;
 
@@ -207,0 +208,0 @@ private _interpolation: GLTF.AnimationSamplerInterpolation = GLTF.AnimationSamplerInterpolation.LINEAR;

src/properties/buffer.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -59,3 +60,3 @@
 export class Buffer extends ExtensibleProperty {
-	public readonly propertyType = 'Buffer';
+	public readonly propertyType = PropertyType.BUFFER;
 
@@ -62,0 +63,0 @@ /** URI (or filename) of the buffer. */

src/properties/camera.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { ExtensibleProperty } from './extensible-property';
@@ -32,3 +33,3 @@
 export class Camera extends ExtensibleProperty {
-	public readonly propertyType = 'Camera';
+	public readonly propertyType = PropertyType.CAMERA;
 
@@ -35,0 +36,0 @@ // Common.

src/properties/extensible-property.ts

@@ -43,2 +43,3 @@ import { GraphChildList, Link } from '../graph';
 		// Add next extension.
+		extensionProperty._validateParent(this);
 		const name = extensionProperty.extensionName;
@@ -45,0 +46,0 @@ return this.addGraphChild(this.extensions, this._graph.link(name, this, extensionProperty));

src/properties/extension-property.ts

@@ -0,1 +1,2 @@
+import { ExtensibleProperty } from './extensible-property';
 import { Property } from './property';
@@ -47,5 +48,8 @@ import { PropertyGraph } from './property-graph';
 export abstract class ExtensionProperty extends Property {
+	public static EXTENSION_NAME: string;
 	public abstract readonly extensionName: string;
-	public static EXTENSION_NAME: string;
 
+	/** List of supported {@link Property} types. */
+	public abstract readonly parentTypes: string[];
+
 	constructor(graph: PropertyGraph, private readonly _extension: ExtensionPropertyParent) {
@@ -60,2 +64,9 @@ super(graph);
 	}
+
+	/** @hidden */
+	public _validateParent(parent: ExtensibleProperty): void {
+		if (!this.parentTypes.includes(parent.propertyType)) {
+			throw new Error(`Parent "${parent.propertyType}" invalid for child "${this.propertyType}".`);
+		}
+	}
 }

src/properties/material.ts

@@ -1,2 +0,2 @@
-import { vec3, vec4 } from '../constants';
+import { PropertyType, vec3, vec4 } from '../constants';
 import { GraphChild } from '../graph/index';
@@ -40,3 +40,3 @@ import { ExtensibleProperty } from './extensible-property';
 export class Material extends ExtensibleProperty {
-	public readonly propertyType = 'Material';
+	public readonly propertyType = PropertyType.MATERIAL;
 
@@ -43,0 +43,0 @@ /** Mode of the material's alpha channels. (`OPAQUE`, `BLEND`, or `MASK`) */

src/properties/mesh.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { GraphChild, GraphChildList } from '../graph/index';
@@ -43,3 +44,3 @@ import { Link } from '../graph/index';
 export class Mesh extends ExtensibleProperty {
-	public readonly propertyType = 'Mesh';
+	public readonly propertyType = PropertyType.MESH;
 
@@ -121,3 +122,3 @@ private _weights: number[] = [];
 export class Primitive extends Property {
-	public readonly propertyType = 'Primitive';
+	public readonly propertyType = PropertyType.PRIMITIVE;
 
@@ -263,3 +264,3 @@ /** GPU draw mode. */
 export class PrimitiveTarget extends Property {
-	public readonly propertyType = 'PrimitiveTarget';
+	public readonly propertyType = PropertyType.PRIMITIVE_TARGET;
 
@@ -266,0 +267,0 @@ /** Vertex attributes. */

src/properties/node.ts

@@ -1,2 +0,2 @@
-import { vec3, vec4 } from '../constants';
+import { PropertyType, vec3, vec4 } from '../constants';
 import { GraphChild, GraphChildList } from '../graph/graph-decorators';
@@ -38,3 +38,3 @@ import { Link } from '../graph/graph-links';
 export class Node extends ExtensibleProperty {
-	public readonly propertyType = 'Node';
+	public readonly propertyType = PropertyType.NODE;
 	private _translation: vec3 = [0, 0, 0];
@@ -41,0 +41,0 @@ private _rotation: vec4 = [0, 0, 0, 1];

src/properties/root.ts

@@ -1,2 +0,2 @@
-import { VERSION } from '../constants';
+import { PropertyType, VERSION } from '../constants';
 import { Extension } from '../extension';
@@ -49,3 +49,3 @@ import { GraphChildList, Link } from '../graph/index';
 export class Root extends Property {
-	public readonly propertyType = 'Root';
+	public readonly propertyType = PropertyType.ROOT;
 
@@ -52,0 +52,0 @@ private readonly _asset: GLTF.IAsset = {

src/properties/scene.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { GraphChildList, Link } from '../graph/index';
@@ -22,3 +23,3 @@ import { ExtensibleProperty } from './extensible-property';
 export class Scene extends ExtensibleProperty {
-	public readonly propertyType = 'Scene';
+	public readonly propertyType = PropertyType.SCENE;
 
@@ -25,0 +26,0 @@ @GraphChildList private nodes: Link<Scene, Node>[] = [];

src/properties/skin.ts

@@ -0,1 +1,2 @@
+import { PropertyType } from '../constants';
 import { GraphChild, GraphChildList, Link } from '../graph';
@@ -18,3 +19,3 @@ import { Accessor } from './accessor';
 export class Skin extends ExtensibleProperty {
-	public readonly propertyType = 'Skin';
+	public readonly propertyType = PropertyType.SKIN;
 
@@ -21,0 +22,0 @@ @GraphChild private skeleton: Link<Skin, Node> = null;

src/properties/texture.ts

@@ -1,2 +0,2 @@
-import { vec2 } from '../constants';
+import { PropertyType, vec2 } from '../constants';
 import { ImageUtils } from '../utils';
@@ -27,3 +27,3 @@ import { ExtensibleProperty } from './extensible-property';
 export class Texture extends ExtensibleProperty {
-	public readonly propertyType = 'Texture';
+	public readonly propertyType = PropertyType.TEXTURE;
 
@@ -114,3 +114,3 @@ /** Raw image data for this texture. */
 export class TextureInfo {
-	public readonly propertyType = 'TextureInfo';
+	public readonly propertyType = PropertyType.TEXTURE_INFO;
 
@@ -143,3 +143,3 @@ private texCoord = 0;
 export class TextureSampler {
-	public readonly propertyType = 'TextureSampler';
+	public readonly propertyType = PropertyType.TEXTURE_SAMPLER;
 
@@ -146,0 +146,0 @@ private _magFilter: GLTF.TextureMagFilter = null;

src/utils/image-utils.ts

@@ -54,2 +54,12 @@ import { vec2 } from '../constants';
 	}
+
+	public static mimeTypeToExtension(mimeType: string): string {
+		if (mimeType === 'image/jpeg') return 'jpg';
+		return mimeType.split('/').pop();
+	}
+
+	public static extensionToMimeType(extension: string): string {
+		if (extension === 'jpg') return 'image/jpeg';
+		return `image/${extension}`;
+	}
 }
@@ -56,0 +66,0 @@

New alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

917779

increased by1.52%

Lines of code

7764

increased by1.46%

Worsened metrics

Number of downloads

22352

decreased by-0.1%

No dependency changes