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@loaders.gl/gltf

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@loaders.gl/gltf - npm Package Compare versions

Comparing version 1.2.0 to 1.2.1

2

dist/dist.min.js

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

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W(e);for(const e of s.json.meshes||[])H.decompressMesh(e,t);s.removeExtension(n)}static encode(e,t){const s=new W(e);for(const e of s.json.meshes||[])H.compressMesh(e,t),s.addRequiredExtension(n)}static compressMesh(e,t,s=4,r={}){if(!r.DracoWriter||!r.DracoLoader)throw new Error("DracoWriter/DracoLoader not available");const i=r.DracoWriter.encodeSync({attributes:e}),o=r.DracoLoader.parseSync({attributes:e}),u=r._addFauxAttributes(o.attributes),a=r.addBufferView(i);return{primitives:[{attributes:u,mode:s,extensions:{[n]:{bufferView:a,attributes:u}}}]}}static decompressMesh(e,t={}){for(const s of e.primitives)if(H._decompressMeshPrimitive(s,t),!s.attributes||0===Object.keys(s.attributes).length)throw new Error("Empty glTF primitive: decompression failure?")}static _decompressMeshPrimitive(e,t){const s=e.extensions&&e.extensions[n];if(!s)return;if(!t.DracoLoader||!t.decompress)return;delete e.extensions[n];const 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o=function(e,t){const s=function(e){if("string"==typeof e){if(0===e.indexOf("##/"))return e.slice(1);let t=e.match(/#\/([a-z]+)\/([0-9]+)/);if(t){const e=parseInt(t[2],10);return[t[1],e]}if(t=e.match(/\$\$\$([0-9]+)/)){const e=parseInt(t[1],10);return["accessors",e]}}return null}(e);if(s){const[r,n]=s,i=t[r]&&t[r][n];if(i)return i;console.error(`Invalid JSON pointer ${e}: #/${r}/${n}`)}return null}(i,r);if(o)return o;if(Array.isArray(i))return i.map(t=>e(t,s,r,n));if(null!==i&&"object"==typeof i){const t={};for(const o in i)t[o]=e(i[o],s,r,n);return t}return i}(e,e,t,s)}function re(e,t,s){s&&(e=function(e,t){const s=e.byteLength-t,r=new ArrayBuffer(s),n=new Uint8Array(e),i=new Uint8Array(r);for(let e=0;e<s;e++)i[e]=n[t+e];return r}(e,s));const r=t.bufferViews||[];for(let e=0;e<r.length;++e){m(r[e].byteLength>=0)}return{accessors:ne(e,r,t),images:ie(e,r,t)}}function ne(e,t,s){const r=s.accessors||[],n=[];for(let s=0;s<r.length;++s){const i=r[s];m(i);const 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t=(e.byteOffset||0)+this.binaryByteOffset;return new Uint8Array(this.glbArrayBuffer,t,e.byteLength)}getBuffer(e){const t=x[e.componentType],s=b[e.type],r=w[e.componentType],n=e.count*s,i=e.count*s*r,o=this.json.bufferViews[e.bufferView];m(i>=0&&e.byteOffset+i<=o.byteLength);const u=o.byteOffset+this.binaryByteOffset+e.byteOffset;return new t(this.glbArrayBuffer,u,n)}getImageData(e){return{typedArray:this.getBufferView(e.bufferView),mimeType:e.mimeType||"image/jpeg"}}getImage(e){const t=this.getBufferView(e.bufferView),s=e.mimeType||"image/jpeg",r=new Blob([t],{type:s}),n=(self.URL||self.webkitURL).createObjectURL(r),i=new Image;return i.src=n,i}getImageAsync(e){return new Promise(t=>{const s=this.getBufferView(e.bufferView),r=e.mimeType||"image/jpeg",n=new Blob([s],{type:r}),i=(self.URL||self.webkitURL).createObjectURL(n),o=new Image;o.onload=()=>t(o),o.src=i})}}const ue={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},ae={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},fe={TEXTURE_MAG_FILTER:10240,TEXTURE_MIN_FILTER:10241,TEXTURE_WRAP_S:10242,TEXTURE_WRAP_T:10243,REPEAT:10497,LINEAR:9729,NEAREST_MIPMAP_LINEAR:9986},ce={magFilter:fe.TEXTURE_MAG_FILTER,minFilter:fe.TEXTURE_MIN_FILTER,wrapS:fe.TEXTURE_WRAP_S,wrapT:fe.TEXTURE_WRAP_T},he={[fe.TEXTURE_MAG_FILTER]:fe.LINEAR,[fe.TEXTURE_MIN_FILTER]:fe.NEAREST_MIPMAP_LINEAR,[fe.TEXTURE_WRAP_S]:fe.REPEAT,[fe.TEXTURE_WRAP_]:fe.REPEAT};class le{postProcess(e,t,s={}){return this.gltf=e,this.glbParser=t,this._resolveToTree(s),this.gltf}_resolveToTree(e={}){const{gltf:t}=this;return(t.bufferViews||[]).forEach((e,t)=>this._resolveBufferView(e,t)),(t.images||[]).forEach((t,s)=>this._resolveImage(t,s,e)),(t.samplers||[]).forEach((e,t)=>this._resolveSampler(e,t)),(t.textures||[]).forEach((e,t)=>this._resolveTexture(e,t)),(t.accessors||[]).forEach((e,t)=>this._resolveAccessor(e,t)),(t.materials||[]).forEach((e,t)=>this._resolveMaterial(e,t)),(t.meshes||[]).forEach((e,t)=>this._resolveMesh(e,t)),(t.nodes||[]).forEach((e,t)=>this._resolveNode(e,t)),(t.skins||[]).forEach((e,t)=>this._resolveSkin(e,t)),(t.scenes||[]).forEach((e,t)=>this._resolveScene(e,t)),void 0!==t.scene&&(t.scene=t.scenes[this.gltf.scene]),this._process_extension_KHR_lights_punctual(),t}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.gltf[e]&&this.gltf[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}_resolveScene(e,t){e.id=`scene-${t}`,e.nodes=(e.nodes||[]).map(e=>this.getNode(e))}_resolveNode(e,t){e.id=`node-${t}`,e.children=(e.children||[]).map(e=>this.getNode(e)),void 0!==e.mesh&&(e.mesh=this.getMesh(e.mesh)),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin))}_resolveSkin(e,t){e.id=`skin-${t}`,e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices)}_resolveMesh(e,t){e.id=`mesh-${t}`;for(const t of e.primitives){for(const e in t.attributes)t.attributes[e]=this.getAccessor(t.attributes[e]);void 0!==t.indices&&(t.indices=this.getAccessor(t.indices)),void 0!==t.material&&(t.material=this.getMaterial(t.material))}}_resolveMaterial(e,t){if(e.id=`material-${t}`,e.normalTexture&&(e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.pbrMetallicRoughness){const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}}_resolveAccessor(e,t){e.id=`accessor-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=ae[e],e.components=ue[e],e.bytesPerElement=e.bytesPerComponent*e.components}_resolveTexture(e,t){e.id=`texture-${t}`,e.sampler="sampler"in e?this.getSampler(e.sampler):he,e.source=this.getImage(e.source)}_resolveSampler(e,t){e.id=`sampler-${t}`,e.parameters={};for(const t in e){const s=this._enumSamplerParameter(t);void 0!==s&&(e.parameters[s]=e[t])}}_enumSamplerParameter(e){return ce[e]}_resolveImage(e,t,s){e.id=`image-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const{createImages:r=!0}=s;r?e.image=this.glbParser.getImage(e):e.getImageAsync=()=>this.glbParser?this.glbParser.getImageAsync(e):e.uri?new Promise(t=>{const r=new Image;r.crossOrigin="anonymous",r.onload=()=>t(r),r.src=E(e.uri,s.uri)}):null}_resolveBufferView(e,t){if(e.id=`bufferView-${t}`,e.buffer=this.getBuffer(e.buffer),this.glbParser)e.data=this.glbParser.getBufferView(e);else{const t=e.byteOffset||0;e.data=new Uint8Array(e.buffer.data,t,e.byteLength)}}_resolveCamera(e){e.perspective,e.orthographic}_process_extension_KHR_lights_punctual(){const{gltf:e}=this,t=e.extensions&&e.extensions.KHR_lights_punctual;t&&(e.lights=t.lights),this._removeExtension("KHR_lights_punctual");for(const t of e.nodes||[]){const e=t.extensions&&t.extensions.KHR_lights_punctual;e&&(t.light=this._get("lights",e.light),delete t.extensions.KHR_lights_punctual)}delete e.lights}_removeExtension(e){this.gltf.extensionsRequired&&this._removeStringFromArray(this.gltf.extensionsRequired,e),this.gltf.extensionsUsed&&this._removeStringFromArray(this.gltf.extensionsUsed,e),this.gltf.extensions&&delete this.gltf.extensions[e]}_removeStringFromArray(e,t){let s=!0;for(;s;){const r=e.indexOf(t);r>-1?e.splice(r,1):s=!1}}}const ge={fetchLinkedResources:!0,fetch:d,decompress:!1,DracoLoader:null,postProcess:!0,createImages:!1,log:console};class de{async parse(e,t={}){if(t=Object.assign({},ge,t),this.parseSync(e,{...t,postProcess:!1,decompress:!1}),t.fetchLinkedResources&&await this._loadLinkedAssets(t),t.decompress&&this._decompressMeshes(t),t.postProcess){(new le).postProcess(this.gltf,this.glbParser,t)}return this.gltf}parseSync(e,t={}){if(t=Object.assign({},ge,t),e instanceof ArrayBuffer&&!oe.isGLB(e,t)){e=(new te).decode(e)}if("string"==typeof e&&(e=JSON.parse(e)),e instanceof ArrayBuffer?(this.glbParser=new oe,this.gltf=this.glbParser.parseSync(e).json,this.json=this.gltf):(this.glbParser=null,this.gltf=e,this.json=e),t.decompress&&this._decompressMeshes(t),t.postProcess){(new le).postProcess(this.gltf,this.glbParser,t)}return this.gltf}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find(t=>t===e),s=this.json.extensions||{};return t?s[e]||!0:null}getRequiredExtension(e){return this.getRequiredExtensions().find(t=>t===e)?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.gltf[e]&&this.gltf[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}async _loadLinkedAssets(e){return await Promise.all(this.gltf.buffers.map(t=>this._loadBuffer(t,e)))}async _loadBuffer(e,t){if(e.uri){const s=t.fetch||window.fetch,r=E(e.uri,t.uri),n=await s(r),i=await n.arrayBuffer();e.data=i,e.uri=null}}_decompressMeshes(e){if(e.DracoLoader&&e.decompress){for(const t of this.gltf.meshes||[])for(const s of t.primitives)if(this._decompressKhronosDracoPrimitive(s,e),this._decompressUberDracoPrimitive(s,e),!s.attributes||0===Object.keys(s.attributes).length)throw new Error("Empty glTF primitive: decompression failure?");this._removeExtension(n),this._removeExtension(i)}}_decompressKhronosDracoPrimitive(e,t){const s=e.extensions&&e.extensions[n];if(!s)return;delete e.extensions[n];const r=this._getBufferViewArray(s.bufferView),i=t.DracoLoader.parseSync(r);e.attributes=X(i.attributes),i.indices&&(e.indices=z(i.indices))}_decompressUberDracoPrimitive(e,t){const s=e.extensions&&e.extensions[i];if(!s)return;if(0!==e.mode)throw new Error(i);delete e.extensions[i];const r=this._getBufferViewArray(s.bufferView),n=t.DracoLoader.parseSync(r);e.attributes=n.attributes}_getBufferViewArray(e){const t=this.gltf.bufferViews[e];if(this.glbParser)return this.glbParser.getBufferView(t);const s=this.gltf.buffers[t.buffer].data,r=t.byteOffset||0;return new Uint8Array(s,r,t.byteLength)}_removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}_removeStringFromArray(e,t){let s=!0;for(;s;){const r=e.indexOf(t);r>-1?e.splice(r,1):s=!1}}}const me={useGLTFParser:!0};var pe={name:"glTF",extensions:["gltf","glb"],text:!0,binary:!0,test:"glTF",parse:async function(e,t={}){if((t={...me,...t}).useGLTFParser)return(new de).parse(e,t);const{byteOffset:s=0}=t,r={};return await Z(r,e,s,t),r},parseSync:function(e,t={}){if((t={...me,...t}).useGLTFParser)return(new de).parseSync(e,t);const{byteOffset:s=0}=t,r={};return Y(r,e,s,t),r},defaultOptions:me};function ye(e,t,s,r){const n=v(s.byteLength),i=n-s.byteLength;if(e){const r=new Uint8Array(e.buffer,e.byteOffset+t,s.byteLength),n=new Uint8Array(s);r.set(n);for(let r=0;r<i;++r)e.setUint8(t+s.byteLength+r,32)}return t+=n}const be=1179937895,we=1313821514,xe=5130562,_e=!0;function Te(e,t,s=0,r={}){const{magic:n=be,version:i=2,json:o={},binary:u}=e,a=s;t&&(t.setUint32(s+0,n,_e),t.setUint32(s+4,i,_e),t.setUint32(s+8,0,_e));const f=s+8,c=s+=12;if(t&&(t.setUint32(s+0,0,_e),t.setUint32(s+4,we,_e)),s=function(e,t,s,r){return t=ye(e,t,(new TextEncoder).encode(s))}(t,s+=8,JSON.stringify(o)),t){const e=s-c-8;t.setUint32(c+0,e,_e)}if(u){const e=s;if(t&&(t.setUint32(s+0,0,_e),t.setUint32(s+4,xe,_e)),s=ye(t,s+=8,u),t){const r=s-e-8;t.setUint32(e+0,r,_e)}}if(t){const e=s-a;t.setUint32(f,e,_e)}return s}function Ae(e,t,s,r){return function(e,{firstBuffer:t=0}={}){if(e.buffers&&e.buffers.length>t)throw new Error("encodeGLTF: multiple buffers not yet implemented")}(e),Te(e,t,s,r)}var Ee={name:"glTF",extensions:["glb"],encodeSync:function(e,t={}){const{byteOffset:s=0}=t,r=Ae(e,null,s,t),n=new ArrayBuffer(r);return Ae(e,new DataView(n),s,t),n},binary:!0,defaultOptions:{useGLTFBuilder:!0}},je={name:"GLB",extension:["glb"],text:!0,binary:!0,parseSync:function(e,t){const{byteOffset:s=0}=t,r={};return I(r,e,s,t),r}};var ve={name:"GLB",extensions:["glb"],encodeSync:function(e,t){const{byteOffset:s=0}=t,r=Te(e,null,s,t),n=new ArrayBuffer(r),i=new DataView(n);return Te(e,i,s,t),n},binary:!0};const Be={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Re={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Le={TEXTURE_MAG_FILTER:10240,TEXTURE_MIN_FILTER:10241,TEXTURE_WRAP_S:10242,TEXTURE_WRAP_T:10243,REPEAT:10497,LINEAR:9729,NEAREST_MIPMAP_LINEAR:9986},Ue={magFilter:Le.TEXTURE_MAG_FILTER,minFilter:Le.TEXTURE_MIN_FILTER,wrapS:Le.TEXTURE_WRAP_S,wrapT:Le.TEXTURE_WRAP_T},Ve={[Le.TEXTURE_MAG_FILTER]:Le.LINEAR,[Le.TEXTURE_MIN_FILTER]:Le.NEAREST_MIPMAP_LINEAR,[Le.TEXTURE_WRAP_S]:Le.REPEAT,[Le.TEXTURE_WRAP_]:Le.REPEAT};class Se{postProcess(e,t={}){return this.gltf=e,this.json=e.json,this.buffers=e.buffers,this._resolveTree(e.json,t)}_resolveTree(e,t={}){return e.bufferViews&&(e.bufferViews=e.bufferViews.map((e,t)=>this._resolveBufferView(e,t))),e.images&&(e.images=e.images.map((e,s)=>this._resolveImage(e,s,t))),e.samplers&&(e.samplers=e.samplers.map((e,t)=>this._resolveSampler(e,t))),e.textures&&(e.textures=e.textures.map((e,t)=>this._resolveTexture(e,t))),e.accessors&&(e.accessors=e.accessors.map((e,t)=>this._resolveAccessor(e,t))),e.materials&&(e.materials=e.materials.map((e,t)=>this._resolveMaterial(e,t))),e.meshes&&(e.meshes=e.meshes.map((e,t)=>this._resolveMesh(e,t))),e.nodes&&(e.nodes=e.nodes.map((e,t)=>this._resolveNode(e,t))),e.skins&&(e.skins=e.skins.map((e,t)=>this._resolveSkin(e,t))),e.scenes&&(e.scenes=e.scenes.map((e,t)=>this._resolveScene(e,t))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene]),e}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.json[e]&&this.json[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}_resolveScene(e,t){return(e={...e}).id=e.id||`scene-${t}`,e.nodes=(e.nodes||[]).map(e=>this.getNode(e)),e}_resolveNode(e,t){return(e={...e}).id=e.id||`node-${t}`,e.children&&(e.children=e.children.map(e=>this.getNode(e))),void 0!==e.mesh&&(e.mesh=this.getMesh(e.mesh)),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return(e={...e}).id=e.id||`skin-${t}`,e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return(e={...e}).id=e.id||`mesh-${t}`,e.primitives&&(e.primitives=e.primitives.map(e=>{const t=(e={...e}).attributes;e.attributes={};for(const s in t)e.attributes[s]=this.getAccessor(t[s]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e})),e}_resolveMaterial(e,t){if((e={...e}).id=e.id||`material-${t}`,e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var 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this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){t=t||$(e);const s={bufferView:this.addBufferView(e),mimeType:t};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}addBufferView(e){const t=e.byteLength;m(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const s={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=v(t),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(s),this.json.bufferViews.length-1}addAccessor(e,t){const s={bufferView:e,type:_(t.size),componentType:t.componentType,count:t.count};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(s),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const s=this.addBufferView(e),r={size:t.size,componentType:T(e),count:Math.round(e.length/t.size)};return this.addAccessor(s,Object.assign(r,t))}createBinaryChunk(){if(this.arrayBuffer)return;const e=this.byteLength,t=new ArrayBuffer(e),s=new Uint8Array(t);let r=0;for(let e=0;e<this.sourceBuffers.length;e++){r=B(this.sourceBuffers[e],s,r)}this.json.buffers[0].byteLength=e,this.arrayBuffer=t,this.sourceBuffers=[]}_removeStringFromArray(e,t){let s=!0;for(;s;){const r=e.indexOf(t);r>-1?e.splice(r,1):s=!1}}}function X(e){const t={};for(const s in e){const r=e[s];if("indices"!==s){const e=z(r);t[s]=e}}return t}function z(e,t){const{buffer:s,size:r,count:n}=function(e,t){let s=e,r=1,n=0;e&&e.value&&(s=e.value,r=e.size||1);s&&(ArrayBuffer.isView(s)||(s=function(e,t,s=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(s&&!(e instanceof t))return new t(e);return e}(s,Float32Array)),n=s.length/r);return{buffer:s,size:r,count:n}}(e);return{value:s,size:r,bufferView:null,byteOffset:0,count:n,type:_(r),componentType:T(s)}}class H{static get name(){return n}static decode(e,t){const s=new W(e);for(const e of s.json.meshes||[])H.decompressMesh(e,t);s.removeExtension(n)}static encode(e,t){const s=new W(e);for(const e of s.json.meshes||[])H.compressMesh(e,t),s.addRequiredExtension(n)}static compressMesh(e,t,s=4,r={}){if(!r.DracoWriter||!r.DracoLoader)throw new Error("DracoWriter/DracoLoader not available");const i=r.DracoWriter.encodeSync({attributes:e}),o=r.DracoLoader.parseSync({attributes:e}),u=r._addFauxAttributes(o.attributes),a=r.addBufferView(i);return{primitives:[{attributes:u,mode:s,extensions:{[n]:{bufferView:a,attributes:u}}}]}}static decompressMesh(e,t={}){for(const s of e.primitives)if(H._decompressMeshPrimitive(s,t),!s.attributes||0===Object.keys(s.attributes).length)throw new Error("Empty glTF primitive: decompression failure?")}static _decompressMeshPrimitive(e,t){const s=e.extensions&&e.extensions[n];if(!s)return;if(!t.DracoLoader||!t.decompress)return;delete e.extensions[n];const r=this._getBufferViewArray(s.bufferView),i=t.DracoLoader.parseSync(r);e.attributes=X(i.attributes),i.indices&&(e.indices=z(i.indices))}}class K{static get name(){return o}static decode(e,t){const s=new W(e),r=s.getExtension(o);r&&(s.json.lights=r.lights,s.removeExtension(o));for(const e of s.nodes||[]){const t=e.extensions&&e.extensions.KHR_lights_punctual;t&&(e.light=s._get("lights",t.light),delete e.extensions.KHR_lights_punctual)}}static encode(e,t){const s=new W(e),{json:r}=s;if(r.lights){const e=s.addExtensions(o);m(!e.lights),e.lights=r.lights,delete r.lights}if(s.json.lights){for(const e of s.json.lights){const t=e.node;s.addObjectExtension(t,o,e)}delete s.json.lights}}}const J={fetchLinkedResources:!1,decompress:!1,DracoLoader:null,postProcess:!0,createImages:!1,log:console},Q={fetchLinkedResources:!0,fetch:d,decompress:!1,DracoLoader:null,postProcess:!0,createImages:!1,log:console};function Y(e,t,s=0,n={}){n=Object.assign({},J,n);let i=t;if(i instanceof ArrayBuffer&&!P(i,s,n)){i=(new TextDecoder).decode(i)}if(e.buffers=[],"string"==typeof i?e.json=JSON.parse(i):i instanceof ArrayBuffer?(s=I(e,i,s,n),e.hasBinChunk&&e.buffers.push({arrayBuffer:i,byteOffset:e.binChunkByteOffset,byteLength:e.binChunkLength})):e.json=i,n.uri&&(e.baseUri=n.uri),n.fetchLinkedResources)for(const t of e.json.buffers||[])if(t.uri)throw new Error("parseGLTFSync: Cannot decode uri buffers");return function(e,t){for(const s in r){const n=s in t&&!t[s];if(!n){const n=r[s];n.decode(e,t)}}}(e,n),s}async function Z(e,t,s=0,r={}){return r=Object.assign({},Q,r),Y(e,t,s,{...r,fetchLinkedResources:!1,postProcess:!1,decompress:!1}),r.fetchLinkedResources&&await async function(e,t){for(const s of e.json.buffers)if(s.uri){const e=t.fetch||window.fetch;m(e);const r=E(s.uri,t.uri),n=await e(r),i=await n.arrayBuffer();s.data=i,delete s.uri}}(e,r),e}s(4);new Map;var ee=s(0);ee.a.TextEncoder;const te=ee.a.TextDecoder;function se(e,t,s={}){return function e(t,s,r,n={}){const i=t;const o=function(e,t){const s=function(e){if("string"==typeof e){if(0===e.indexOf("##/"))return e.slice(1);let t=e.match(/#\/([a-z]+)\/([0-9]+)/);if(t){const e=parseInt(t[2],10);return[t[1],e]}if(t=e.match(/\$\$\$([0-9]+)/)){const e=parseInt(t[1],10);return["accessors",e]}}return null}(e);if(s){const[r,n]=s,i=t[r]&&t[r][n];if(i)return i;console.error(`Invalid JSON pointer ${e}: #/${r}/${n}`)}return null}(i,r);if(o)return o;if(Array.isArray(i))return i.map(t=>e(t,s,r,n));if(null!==i&&"object"==typeof i){const t={};for(const o in i)t[o]=e(i[o],s,r,n);return t}return i}(e,e,t,s)}function re(e,t,s){s&&(e=function(e,t){const s=e.byteLength-t,r=new ArrayBuffer(s),n=new Uint8Array(e),i=new Uint8Array(r);for(let e=0;e<s;e++)i[e]=n[t+e];return r}(e,s));const r=t.bufferViews||[];for(let e=0;e<r.length;++e){m(r[e].byteLength>=0)}return{accessors:ne(e,r,t),images:ie(e,r,t)}}function ne(e,t,s){const r=s.accessors||[],n=[];for(let s=0;s<r.length;++s){const i=r[s];m(i);const o=t[i.bufferView];if(o){const{ArrayType:t,length:s}=A(i,o),r=new t(e,o.byteOffset,s);r.accessor=i,n.push(r)}}return n}function ie(e,t,s){const r=s.images||[],n=[];for(let s=0;s<r.length;++s){const i=r[s];m(i);const o=t[i.bufferView];m(o);const u=new Uint8Array(e,o.byteOffset,o.byteLength);u.imate=i,n.push(u)}return n}class oe{static isGLB(e,t={}){return P(e,0)}parse(e,t={}){return this.parseSync(e,t)}parseSync(e,t={}){if(this.glbArrayBuffer=e,this.binaryByteOffset=null,this.packedJson=null,this.json=null,null===this.json&&null===this.binaryByteOffset){const e=0;I(this,this.glbArrayBuffer,e,t),this.binaryByteOffset=this.binChunkByteOffset,this.packedJson=this.json;const s=re(this.glbArrayBuffer,this.json,this.binaryByteOffset);this.json=se(this.json,s),this.unpackedBuffers=s}return this}getApplicationData(e){return this.json[e]}getJSON(){return this.json}getArrayBuffer(){return this.glbArrayBuffer}getBinaryByteOffset(){return this.binaryByteOffset}getBufferView(e){const t=(e.byteOffset||0)+this.binaryByteOffset;return new Uint8Array(this.glbArrayBuffer,t,e.byteLength)}getBuffer(e){const t=x[e.componentType],s=b[e.type],r=w[e.componentType],n=e.count*s,i=e.count*s*r,o=this.json.bufferViews[e.bufferView];m(i>=0&&e.byteOffset+i<=o.byteLength);const u=o.byteOffset+this.binaryByteOffset+e.byteOffset;return new t(this.glbArrayBuffer,u,n)}getImageData(e){return{typedArray:this.getBufferView(e.bufferView),mimeType:e.mimeType||"image/jpeg"}}getImage(e){const t=this.getBufferView(e.bufferView),s=e.mimeType||"image/jpeg",r=new Blob([t],{type:s}),n=(self.URL||self.webkitURL).createObjectURL(r),i=new Image;return i.src=n,i}getImageAsync(e){return new Promise(t=>{const s=this.getBufferView(e.bufferView),r=e.mimeType||"image/jpeg",n=new Blob([s],{type:r}),i=(self.URL||self.webkitURL).createObjectURL(n),o=new Image;o.onload=()=>t(o),o.src=i})}}const ue={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},ae={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},fe={TEXTURE_MAG_FILTER:10240,TEXTURE_MIN_FILTER:10241,TEXTURE_WRAP_S:10242,TEXTURE_WRAP_T:10243,REPEAT:10497,LINEAR:9729,NEAREST_MIPMAP_LINEAR:9986},ce={magFilter:fe.TEXTURE_MAG_FILTER,minFilter:fe.TEXTURE_MIN_FILTER,wrapS:fe.TEXTURE_WRAP_S,wrapT:fe.TEXTURE_WRAP_T},he={[fe.TEXTURE_MAG_FILTER]:fe.LINEAR,[fe.TEXTURE_MIN_FILTER]:fe.NEAREST_MIPMAP_LINEAR,[fe.TEXTURE_WRAP_S]:fe.REPEAT,[fe.TEXTURE_WRAP_]:fe.REPEAT};class le{postProcess(e,t,s={}){return this.gltf=e,this.glbParser=t,this._resolveToTree(s),this.gltf}_resolveToTree(e={}){const{gltf:t}=this;return(t.bufferViews||[]).forEach((e,t)=>this._resolveBufferView(e,t)),(t.images||[]).forEach((t,s)=>this._resolveImage(t,s,e)),(t.samplers||[]).forEach((e,t)=>this._resolveSampler(e,t)),(t.textures||[]).forEach((e,t)=>this._resolveTexture(e,t)),(t.accessors||[]).forEach((e,t)=>this._resolveAccessor(e,t)),(t.materials||[]).forEach((e,t)=>this._resolveMaterial(e,t)),(t.meshes||[]).forEach((e,t)=>this._resolveMesh(e,t)),(t.nodes||[]).forEach((e,t)=>this._resolveNode(e,t)),(t.skins||[]).forEach((e,t)=>this._resolveSkin(e,t)),(t.scenes||[]).forEach((e,t)=>this._resolveScene(e,t)),void 0!==t.scene&&(t.scene=t.scenes[this.gltf.scene]),this._process_extension_KHR_lights_punctual(),t}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.gltf[e]&&this.gltf[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}_resolveScene(e,t){e.id=`scene-${t}`,e.nodes=(e.nodes||[]).map(e=>this.getNode(e))}_resolveNode(e,t){e.id=`node-${t}`,e.children=(e.children||[]).map(e=>this.getNode(e)),void 0!==e.mesh&&(e.mesh=this.getMesh(e.mesh)),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin))}_resolveSkin(e,t){e.id=`skin-${t}`,e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices)}_resolveMesh(e,t){e.id=`mesh-${t}`;for(const t of e.primitives){for(const e in t.attributes)t.attributes[e]=this.getAccessor(t.attributes[e]);void 0!==t.indices&&(t.indices=this.getAccessor(t.indices)),void 0!==t.material&&(t.material=this.getMaterial(t.material))}}_resolveMaterial(e,t){if(e.id=`material-${t}`,e.normalTexture&&(e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.pbrMetallicRoughness){const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}}_resolveAccessor(e,t){e.id=`accessor-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=ae[e],e.components=ue[e],e.bytesPerElement=e.bytesPerComponent*e.components}_resolveTexture(e,t){e.id=`texture-${t}`,e.sampler="sampler"in e?this.getSampler(e.sampler):he,e.source=this.getImage(e.source)}_resolveSampler(e,t){e.id=`sampler-${t}`,e.parameters={};for(const t in e){const s=this._enumSamplerParameter(t);void 0!==s&&(e.parameters[s]=e[t])}}_enumSamplerParameter(e){return ce[e]}_resolveImage(e,t,s){e.id=`image-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const{createImages:r=!0}=s;r?e.image=this.glbParser.getImage(e):e.getImageAsync=()=>this.glbParser?this.glbParser.getImageAsync(e):e.uri?new Promise(t=>{const r=new Image;r.crossOrigin="anonymous",r.onload=()=>t(r),r.src=E(e.uri,s.uri)}):null}_resolveBufferView(e,t){if(e.id=`bufferView-${t}`,e.buffer=this.getBuffer(e.buffer),this.glbParser)e.data=this.glbParser.getBufferView(e);else{const 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parse(e,t={}){if(t=Object.assign({},ge,t),this.parseSync(e,{...t,postProcess:!1,decompress:!1}),t.fetchLinkedResources&&await this._loadLinkedAssets(t),t.decompress&&this._decompressMeshes(t),t.postProcess){(new le).postProcess(this.gltf,this.glbParser,t)}return this.gltf}parseSync(e,t={}){if(t=Object.assign({},ge,t),e instanceof ArrayBuffer&&!oe.isGLB(e,t)){e=(new te).decode(e)}if("string"==typeof e&&(e=JSON.parse(e)),e instanceof ArrayBuffer?(this.glbParser=new oe,this.gltf=this.glbParser.parseSync(e).json,this.json=this.gltf):(this.glbParser=null,this.gltf=e,this.json=e),t.decompress&&this._decompressMeshes(t),t.postProcess){(new le).postProcess(this.gltf,this.glbParser,t)}return this.gltf}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find(t=>t===e),s=this.json.extensions||{};return t?s[e]||!0:null}getRequiredExtension(e){return this.getRequiredExtensions().find(t=>t===e)?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.gltf[e]&&this.gltf[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}async _loadLinkedAssets(e){return await Promise.all(this.gltf.buffers.map(t=>this._loadBuffer(t,e)))}async _loadBuffer(e,t){if(e.uri){const 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t=this.gltf.bufferViews[e];if(this.glbParser)return this.glbParser.getBufferView(t);const s=this.gltf.buffers[t.buffer].data,r=t.byteOffset||0;return new Uint8Array(s,r,t.byteLength)}_removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}_removeStringFromArray(e,t){let s=!0;for(;s;){const r=e.indexOf(t);r>-1?e.splice(r,1):s=!1}}}const me={useGLTFParser:!0};var pe={name:"glTF",extensions:["gltf","glb"],text:!0,binary:!0,test:"glTF",parse:async function(e,t={}){if((t={...me,...t}).useGLTFParser)return(new de).parse(e,t);const{byteOffset:s=0}=t,r={};return await Z(r,e,s,t),r},parseSync:function(e,t={}){if((t={...me,...t}).useGLTFParser)return(new de).parseSync(e,t);const{byteOffset:s=0}=t,r={};return Y(r,e,s,t),r},defaultOptions:me};function ye(e,t,s,r){const n=v(s.byteLength),i=n-s.byteLength;if(e){const r=new Uint8Array(e.buffer,e.byteOffset+t,s.byteLength),n=new Uint8Array(s);r.set(n);for(let r=0;r<i;++r)e.setUint8(t+s.byteLength+r,32)}return t+=n}const be=1179937895,we=1313821514,xe=5130562,_e=!0;function Te(e,t,s=0,r={}){const{magic:n=be,version:i=2,json:o={},binary:u}=e,a=s;t&&(t.setUint32(s+0,n,_e),t.setUint32(s+4,i,_e),t.setUint32(s+8,0,_e));const f=s+8,c=s+=12;if(t&&(t.setUint32(s+0,0,_e),t.setUint32(s+4,we,_e)),s=function(e,t,s,r){return t=ye(e,t,(new TextEncoder).encode(s))}(t,s+=8,JSON.stringify(o)),t){const e=s-c-8;t.setUint32(c+0,e,_e)}if(u){const e=s;if(t&&(t.setUint32(s+0,0,_e),t.setUint32(s+4,xe,_e)),s=ye(t,s+=8,u),t){const r=s-e-8;t.setUint32(e+0,r,_e)}}if(t){const e=s-a;t.setUint32(f,e,_e)}return s}function Ae(e,t,s,r){return function(e,{firstBuffer:t=0}={}){if(e.buffers&&e.buffers.length>t)throw new Error("encodeGLTF: multiple buffers not yet implemented")}(e),Te(e,t,s,r)}var Ee={name:"glTF",extensions:["glb"],encodeSync:function(e,t={}){const{byteOffset:s=0}=t,r=Ae(e,null,s,t),n=new ArrayBuffer(r);return Ae(e,new DataView(n),s,t),n},binary:!0,defaultOptions:{useGLTFBuilder:!0}},je={name:"GLB",extension:["glb"],text:!0,binary:!0,parseSync:function(e,t){const{byteOffset:s=0}=t,r={};return I(r,e,s,t),r}};var ve={name:"GLB",extensions:["glb"],encodeSync:function(e,t){const{byteOffset:s=0}=t,r=Te(e,null,s,t),n=new ArrayBuffer(r),i=new DataView(n);return Te(e,i,s,t),n},binary:!0};const Be={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Re={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Le={TEXTURE_MAG_FILTER:10240,TEXTURE_MIN_FILTER:10241,TEXTURE_WRAP_S:10242,TEXTURE_WRAP_T:10243,REPEAT:10497,LINEAR:9729,NEAREST_MIPMAP_LINEAR:9986},Ue={magFilter:Le.TEXTURE_MAG_FILTER,minFilter:Le.TEXTURE_MIN_FILTER,wrapS:Le.TEXTURE_WRAP_S,wrapT:Le.TEXTURE_WRAP_T},Ve={[Le.TEXTURE_MAG_FILTER]:Le.LINEAR,[Le.TEXTURE_MIN_FILTER]:Le.NEAREST_MIPMAP_LINEAR,[Le.TEXTURE_WRAP_S]:Le.REPEAT,[Le.TEXTURE_WRAP_]:Le.REPEAT};class Se{postProcess(e,t={}){return this.gltf=e,this.json=e.json,this.buffers=e.buffers,this._resolveTree(e.json,t)}_resolveTree(e,t={}){return e.bufferViews&&(e.bufferViews=e.bufferViews.map((e,t)=>this._resolveBufferView(e,t))),e.images&&(e.images=e.images.map((e,s)=>this._resolveImage(e,s,t))),e.samplers&&(e.samplers=e.samplers.map((e,t)=>this._resolveSampler(e,t))),e.textures&&(e.textures=e.textures.map((e,t)=>this._resolveTexture(e,t))),e.accessors&&(e.accessors=e.accessors.map((e,t)=>this._resolveAccessor(e,t))),e.materials&&(e.materials=e.materials.map((e,t)=>this._resolveMaterial(e,t))),e.meshes&&(e.meshes=e.meshes.map((e,t)=>this._resolveMesh(e,t))),e.nodes&&(e.nodes=e.nodes.map((e,t)=>this._resolveNode(e,t))),e.skins&&(e.skins=e.skins.map((e,t)=>this._resolveSkin(e,t))),e.scenes&&(e.scenes=e.scenes.map((e,t)=>this._resolveScene(e,t))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene]),e}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const s=this.json[e]&&this.json[e][t];return s||console.warn(`glTF file error: Could not find ${e}[${t}]`),s}_resolveScene(e,t){return(e={...e}).id=e.id||`scene-${t}`,e.nodes=(e.nodes||[]).map(e=>this.getNode(e)),e}_resolveNode(e,t){return(e={...e}).id=e.id||`node-${t}`,e.children&&(e.children=e.children.map(e=>this.getNode(e))),void 0!==e.mesh&&(e.mesh=this.getMesh(e.mesh)),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return(e={...e}).id=e.id||`skin-${t}`,e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return(e={...e}).id=e.id||`mesh-${t}`,e.primitives&&(e.primitives=e.primitives.map(e=>{const t=(e={...e}).attributes;e.attributes={};for(const s in t)e.attributes[s]=this.getAccessor(t[s]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e})),e}_resolveMaterial(e,t){if((e={...e}).id=e.id||`material-${t}`,e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var s,r;return(e={...e}).id=e.id||`accessor-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(s=e.componentType,Re[s]),e.components=(r=e.type,Be[r]),e.bytesPerElement=e.bytesPerComponent*e.components,e}_resolveTexture(e,t){return(e={...e}).id=e.id||`texture-${t}`,e.sampler="sampler"in e?this.getSampler(e.sampler):Ve,e.source=this.getImage(e.source),e}_resolveSampler(e,t){(e={...e}).id=e.id||`sampler-${t}`,e.parameters={};for(const t in e){const s=this._enumSamplerParameter(t);void 0!==s&&(e.parameters[s]=e[t])}return e}_enumSamplerParameter(e){return Ue[e]}_resolveImage(e,t,s){if((e={...e}).id=e.id||`image-${t}`,void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),"uri"in e){const t=s.uri||this.gltf.baseUri;t&&(e.baseUri=t,e.fullUri=E(e.uri,t))}return e.getImageAsync=function(){return e.uri?new Promise(t=>{const s=new Image;s.crossOrigin="anonymous",s.onload=()=>t(s),s.src=e.fullUri||e.uri}):null},e}_resolveBufferView(e,t){(e={...e}).id=e.id||`bufferView-${t}`;const s=e.buffer;e.buffer=this.getBuffer(s);const r=this.buffers[s].arrayBuffer;let n=this.buffers[s].byteOffset||0;return"byteOffset"in e&&(n+=e.byteOffset),e.data=new Uint8Array(r,n,e.byteLength),e}_resolveCamera(e,t){return e.id=e.id||`camera-${t}`,e.perspective,e.orthographic,e}}function Oe(e,t){return(new Se).postProcess(e,t)}function Me(e,t=Float32Array){if(0===e.length)return new Float32Array(0);if(!function e(t,s=Number.isFinite){let r=-1;for(;++r<t.length;){const n=t[r];if(Array.isArray(n)||ArrayBuffer.isView(n)){if(!e(n,s))return!1}else if(!s(n))return!1}return!0}(e))return null;const s=new t(function e(t,s=3){let r=0;let n=0;let i=-1;for(;++i<t.length;){const s=t[i];Array.isArray(s)||ArrayBuffer.isView(s)?r+=e(s):n++}return r+(0===r&&n<s?s:n)}(e));return function(e,t,s=3){(function e(t,s,r,n){let i=-1,o=0;for(;++i<t.length;){const u=t[i];Array.isArray(u)||ArrayBuffer.isView(u)?n=e(u,s,r,n):o<r&&(s[n++]=u,o++)}return o>0&&o<r&&(s[n++]=0),n})(e,t,s,0)}(e,s),s}function Pe(e,t,s={}){const{flattenArrays:r=!1}=s;let n=e;if("string"==typeof n&&0===n.indexOf("#/"))return`#${n}`;if(Array.isArray(n)){const e=r&&Me(n);if(!e)return n.map(e=>Pe(e,t,s));n=e}if(ArrayBuffer.isView(n)&&t){if(t.isImage(n)){return`#/images/${t.addImage(n)}`}return`#/accessors/${t.addBuffer(n)}`}if(null!==n&&"object"==typeof n){const e={};for(const r in n)e[r]=Pe(n[r],t,s);return e}return n}class Ie{constructor(e={}){this.byteLength=0,this.json={buffers:[{byteLength:0}],bufferViews:[],accessors:[],images:[],meshes:[]},this.sourceBuffers=[],this.log=e.log||console}getByteLength(){return this.byteLength}isImage(e){return function(e,t){if(t){const{test:s}=G(t);return s(q(e))}return Boolean($(e))}(e)}encodeSync(e={}){return this.encodeAsGLB(e)}encodeAsGLB(e={}){this._packBinaryChunk(),e.magic&&console.warn("Custom glTF magic number no longer supported");const t={version:2,json:this.json,binary:this.arrayBuffer},s=Te(t,null,0,e),r=new ArrayBuffer(s);return Te(t,new DataView(r),0,e),r}addApplicationData(e,t,s={}){const r=s.packTypedArrays?Pe(t,this,s):t;return this.json[e]=r,this}addBuffer(e,t={size:3}){const s=this.addBufferView(e),r={size:t.size,componentType:T(e),count:Math.round(e.length/t.size)};return this.addAccessor(s,Object.assign(r,t))}addBufferView(e){const t=e.byteLength||e.length;return this.json.bufferViews.push({buffer:0,byteOffset:this.byteLength,byteLength:t}),this.byteLength+=v(t),this.sourceBuffers.push(e),this.json.bufferViews.length-1}addAccessor(e,t){return this.json.accessors.push({bufferView:e,type:_(t.size),componentType:t.componentType,count:t.count}),this.json.accessors.length-1}_pack(){return this._packBinaryChunk(),{arrayBuffer:this.arrayBuffer,json:this.json}}_packBinaryChunk(){if(this.arrayBuffer)return;const e=this.byteLength,t=new ArrayBuffer(e),s=new Uint8Array(t);let r=0;for(let e=0;e<this.sourceBuffers.length;e++){r=B(this.sourceBuffers[e],s,r)}this.json.buffers[0].byteLength=e,this.arrayBuffer=t,this.sourceBuffers=[]}_getInternalCounts(){return{buffers:this.json.buffers.length,bufferViews:this.json.bufferViews.length,accessors:this.json.accessors.length,images:this.json.images.length}}}class ke extends Ie{constructor(e={}){super(e),this.DracoWriter=e.DracoWriter,this.DracoLoader=e.DracoLoader}addApplicationData(e,t,s={}){const r=s.packTypedArrays?Pe(t,this,s):t;return this.json[e]=r,this}addExtraData(e,t,s={}){const r=s.packedTypedArrays?Pe(t,this,s):t;return this.json.extras=this.json.extras||{},this.json.extras[e]=r,this}addExtension(e,t,s={}){m(t);const r=s.packTypedArrays?Pe(t,this,s):t;return this.json.extensions=this.json.extensions||{},this.json.extensions[e]=r,this.registerUsedExtension(e),this}addRequiredExtension(e,t,s={}){m(t);const r=s.packTypedArrays?Pe(t,this,s):t;return this.addExtension(e,r),this.registerRequiredExtension(e),this}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find(t=>t===e)||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find(t=>t===e)||this.json.extensionsRequired.push(e)}addMesh(e,t,s=4){const r={primitives:[{attributes:this._addAttributes(e),indices:t,mode:s}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(r),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addCompressedMesh(e,t,s=4){if(!this.DracoWriter||!this.DracoLoader)throw new Error("DracoWriter/DracoLoader not available");this.registerRequiredExtension(n);const r=this.DracoWriter.encodeSync({attributes:e}),i=this.DracoLoader.parseSync({attributes:e}),o=this._addFauxAttributes(i.attributes),u=this.addBufferView(r),a={primitives:[{attributes:o,mode:s,extensions:{[n]:{bufferView:u,attributes:o}}}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(a),this.json.meshes.length-1}addCompressedPointCloud(e){if(!this.DracoWriter||!this.DracoLoader)throw new Error("DracoWriter/DracoLoader not available");e.mode=0;const t=this.DracoWriter.encodeSync(e,{pointcloud:!0}),s=this.addBufferView(t),r={primitives:[{attributes:{},mode:0,extensions:{[i]:{bufferView:s}}}]};return this.registerRequiredExtension(i),this.json.meshes=this.json.meshes||[],this.json.meshes.push(r),this.json.meshes.length-1}addImage(e){const t=this.addBufferView(e),s=N(e)||{};if(s){const{mimeType:e,width:r,height:n}=s;this.json.images.push({bufferView:t,mimeType:e,width:r,height:n})}else this.json.images.push({bufferView:t});return this.json.images.length-1}}s.d(t,"KHR_DRACO_MESH_COMPRESSION",function(){return n}),s.d(t,"UBER_POINT_CLOUD_EXTENSION",function(){return i}),s.d(t,"GLTFLoader",function(){return pe}),s.d(t,"GLTFWriter",function(){return Ee}),s.d(t,"GLBLoader",function(){return je}),s.d(t,"GLBWriter",function(){return ve}),s.d(t,"GLTFScenegraph",function(){return W}),s.d(t,"postProcessGLTF",function(){return Oe}),s.d(t,"parseGLTFSync",function(){return Y}),s.d(t,"encodeGLTFSync",function(){return Ae}),s.d(t,"packBinaryJson",function(){return Pe}),s.d(t,"unpackBinaryJson",function(){return se}),s.d(t,"GLBParser",function(){return oe}),s.d(t,"GLBBuilder",function(){return Ie}),s.d(t,"GLTFParser",function(){return de}),s.d(t,"GLTFBuilder",function(){return ke})}])});

10

package.json
{
"name": "@loaders.gl/gltf",
"version": "1.2.0",
"version": "1.2.1",
"description": "Framework-independent loader for the glTF format",

@@ -41,7 +41,7 @@ "license": "MIT",

"dependencies": {
"@loaders.gl/core": "1.2.0",
"@loaders.gl/images": "1.2.0",
"@loaders.gl/loader-utils": "1.2.0"
"@loaders.gl/core": "1.2.1",
"@loaders.gl/images": "1.2.1",
"@loaders.gl/loader-utils": "1.2.1"
},
"gitHead": "2799d6b66b91d4bd58765e8ce8932f91f29a3bd3"
"gitHead": "fc4f9cef05d6f379a1f22657ed84d1e6acb0bd21"
}
dist/dist.js

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