@loaders.gl/draco - npm Package Compare versions

Comparing version 4.3.0-alpha.3 to 4.3.0-alpha.4

dist/dist.min.js

@@ -7,6 +7,6 @@ (function webpackUniversalModuleDefinition(root, factory) {
   else root['loaders'] = factory();})(globalThis, function () {
-"use strict";var __exports__=(()=>{var H=Object.create;var E=Object.defineProperty;var K=Object.getOwnPropertyDescriptor;var Z=Object.getOwnPropertyNames;var J=Object.getPrototypeOf,tt=Object.prototype.hasOwnProperty;var et=(o,t)=>()=>(t||o((t={exports:{}}).exports,t),t.exports),rt=(o,t)=>{for(var e in t)E(o,e,{get:t[e],enumerable:!0})},D=(o,t,e,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of Z(t))!tt.call(o,n)&&n!==e&&E(o,n,{get:()=>t[n],enumerable:!(r=K(t,n))||r.enumerable});return o},w=(o,t,e)=>(D(o,t,"default"),e&&D(e,t,"default")),ot=(o,t,e)=>(e=o!=null?H(J(o)):{},D(t||!o||!o.__esModule?E(e,"default",{value:o,enumerable:!0}):e,o)),nt=o=>D(E({},"__esModule",{value:!0}),o);var F=et((xt,N)=>{N.exports=globalThis.loaders});var T={};rt(T,{DRACO_EXTERNAL_LIBRARIES:()=>u,DRACO_EXTERNAL_LIBRARY_URLS:()=>_,DracoLoader:()=>It,DracoWorkerLoader:()=>I,DracoWriter:()=>Y,DracoWriterWorker:()=>Ot});w(T,ot(F(),1));var A="4.3.0-alpha.2";var I={dataType:null,batchType:null,name:"Draco",id:"draco",module:"draco",version:A,worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:typeof WebAssembly=="object"?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};function B(o){switch(o.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function M(o){let t=1/0,e=1/0,r=1/0,n=-1/0,a=-1/0,i=-1/0,s=o.POSITION?o.POSITION.value:[],c=s&&s.length;for(let d=0;d<c;d+=3){let l=s[d],h=s[d+1],m=s[d+2];t=l<t?l:t,e=h<e?h:e,r=m<r?m:r,n=l>n?l:n,a=h>a?h:a,i=m>i?m:i}return[[t,e,r],[n,a,i]]}function R(o,t,e){let r=B(t.value),n=e||P(t);return{name:o,type:{type:"fixed-size-list",listSize:t.size,children:[{name:"value",type:r}]},nullable:!1,metadata:n}}function P(o){let t={};return"byteOffset"in o&&(t.byteOffset=o.byteOffset.toString(10)),"byteStride"in o&&(t.byteStride=o.byteStride.toString(10)),"normalized"in o&&(t.normalized=o.normalized.toString()),t}function U(o,t,e){let r=z(t.metadata),n=[],a=at(t.attributes);for(let i in o){let s=o[i],c=k(i,s,a[i]);n.push(c)}if(e){let i=k("indices",e);n.push(i)}return{fields:n,metadata:r}}function at(o){let t={};for(let e in o){let r=o[e];t[r.name||"undefined"]=r}return t}function k(o,t,e){let r=e?z(e.metadata):void 0;return R(o,t,r)}function z(o){Object.entries(o);let t={};for(let e in o)t[`${e}.string`]=JSON.stringify(o[e]);return t}var W={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},it={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},st=4,b=class{draco;decoder;metadataQuerier;constructor(t){this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,e={}){let r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(e);let n=this.decoder.GetEncodedGeometryType(r),a=n===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let i;switch(n){case this.draco.TRIANGULAR_MESH:i=this.decoder.DecodeBufferToMesh(r,a);break;case this.draco.POINT_CLOUD:i=this.decoder.DecodeBufferToPointCloud(r,a);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!i.ok()||!a.ptr){let m=`DRACO decompression failed: ${i.error_msg()}`;throw new Error(m)}let s=this._getDracoLoaderData(a,n,e),c=this._getMeshData(a,s,e),d=M(c.attributes),l=U(c.attributes,s,c.indices);return{loader:"draco",loaderData:s,header:{vertexCount:a.num_points(),boundingBox:d},...c,schema:l}}finally{this.draco.destroy(r),a&&this.draco.destroy(a)}}_getDracoLoaderData(t,e,r){let n=this._getTopLevelMetadata(t),a=this._getDracoAttributes(t,r);return{geometry_type:e,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:n,attributes:a}}_getDracoAttributes(t,e){let r={};for(let n=0;n<t.num_attributes();n++){let a=this.decoder.GetAttribute(t,n),i=this._getAttributeMetadata(t,n);r[a.unique_id()]={unique_id:a.unique_id(),attribute_type:a.attribute_type(),data_type:a.data_type(),num_components:a.num_components(),byte_offset:a.byte_offset(),byte_stride:a.byte_stride(),normalized:a.normalized(),attribute_index:n,metadata:i};let s=this._getQuantizationTransform(a,e);s&&(r[a.unique_id()].quantization_transform=s);let c=this._getOctahedronTransform(a,e);c&&(r[a.unique_id()].octahedron_transform=c)}return r}_getMeshData(t,e,r){let n=this._getMeshAttributes(e,t,r);if(!n.POSITION)throw new Error("DRACO: No position attribute found.");if(t instanceof this.draco.Mesh)switch(r.topology){case"triangle-strip":return{topology:"triangle-strip",mode:4,attributes:n,indices:{value:this._getTriangleStripIndices(t),size:1}};case"triangle-list":default:return{topology:"triangle-list",mode:5,attributes:n,indices:{value:this._getTriangleListIndices(t),size:1}}}return{topology:"point-list",mode:0,attributes:n}}_getMeshAttributes(t,e,r){let n={};for(let a of Object.values(t.attributes)){let i=this._deduceAttributeName(a,r);a.name=i;let s=this._getAttributeValues(e,a);if(s){let{value:c,size:d}=s;n[i]={value:c,size:d,byteOffset:a.byte_offset,byteStride:a.byte_stride,normalized:a.normalized}}}return n}_getTriangleListIndices(t){let r=t.num_faces()*3,n=r*st,a=this.draco._malloc(n);try{return this.decoder.GetTrianglesUInt32Array(t,n,a),new Uint32Array(this.draco.HEAPF32.buffer,a,r).slice()}finally{this.draco._free(a)}}_getTriangleStripIndices(t){let e=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,e),ut(e)}finally{this.draco.destroy(e)}}_getAttributeValues(t,e){let r=it[e.data_type];if(!r)return console.warn(`DRACO: Unsupported attribute type ${e.data_type}`),null;let n=e.num_components,i=t.num_points()*n,s=i*r.BYTES_PER_ELEMENT,c=ct(this.draco,r),d,l=this.draco._malloc(s);try{let h=this.decoder.GetAttribute(t,e.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,h,c,s,l),d=new r(this.draco.HEAPF32.buffer,l,i).slice()}finally{this.draco._free(l)}return{value:d,size:n}}_deduceAttributeName(t,e){let r=t.unique_id;for(let[i,s]of Object.entries(e.extraAttributes||{}))if(s===r)return i;let n=t.attribute_type;for(let i in W)if(this.draco[i]===n)return W[i];let a=e.attributeNameEntry||"name";return t.metadata[a]?t.metadata[a].string:`CUSTOM_ATTRIBUTE_${r}`}_getTopLevelMetadata(t){let e=this.decoder.GetMetadata(t);return this._getDracoMetadata(e)}_getAttributeMetadata(t,e){let r=this.decoder.GetAttributeMetadata(t,e);return this._getDracoMetadata(r)}_getDracoMetadata(t){if(!t||!t.ptr)return{};let e={},r=this.metadataQuerier.NumEntries(t);for(let n=0;n<r;n++){let a=this.metadataQuerier.GetEntryName(t,n);e[a]=this._getDracoMetadataField(t,a)}return e}_getDracoMetadataField(t,e){let r=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(t,e,r);let n=dt(r);return{int:this.metadataQuerier.GetIntEntry(t,e),string:this.metadataQuerier.GetStringEntry(t,e),double:this.metadataQuerier.GetDoubleEntry(t,e),intArray:n}}finally{this.draco.destroy(r)}}_disableAttributeTransforms(t){let{quantizedAttributes:e=[],octahedronAttributes:r=[]}=t,n=[...e,...r];for(let a of n)this.decoder.SkipAttributeTransform(this.draco[a])}_getQuantizationTransform(t,e){let{quantizedAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits(),range:i.range(),min_values:new Float32Array([1,2,3]).map(s=>i.min_value(s))}}finally{this.draco.destroy(i)}}return null}_getOctahedronTransform(t,e){let{octahedronAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits()}}finally{this.draco.destroy(i)}}return null}};function ct(o,t){switch(t){case Float32Array:return o.DT_FLOAT32;case Int8Array:return o.DT_INT8;case Int16Array:return o.DT_INT16;case Int32Array:return o.DT_INT32;case Uint8Array:return o.DT_UINT8;case Uint16Array:return o.DT_UINT16;case Uint32Array:return o.DT_UINT32;default:return o.DT_INVALID}}function dt(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function ut(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function lt(){return globalThis._loadersgl_?.version||(globalThis._loadersgl_=globalThis._loadersgl_||{},globalThis._loadersgl_.version="4.3.0-alpha.2"),globalThis._loadersgl_.version}var $=lt();function v(o,t){if(!o)throw new Error(t||"loaders.gl assertion failed.")}var f={self:typeof self<"u"&&self,window:typeof window<"u"&&window,global:typeof global<"u"&&global,document:typeof document<"u"&&document},Yt=f.self||f.window||f.global||{},Ht=f.window||f.self||f.global||{},Kt=f.global||f.self||f.window||{},Zt=f.document||{};var y=typeof process!="object"||String(process)!=="[object process]"||process.browser,O=typeof importScripts=="function",Jt=typeof window<"u"&&typeof window.orientation<"u",j=typeof 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function mt(o){let{readFileAsArrayBuffer:t}=globalThis.loaders||{};return y||!t||o.startsWith("http")?await(await fetch(o)).arrayBuffer():await t(o)}async function At(o){let{readFileAsText:t}=globalThis.loaders||{};return y||!t||o.startsWith("http")?await(await fetch(o)).text():await t(o)}var yt="1.5.6",pt="1.4.1",L=`https://www.gstatic.com/draco/versioned/decoders/${yt}`,u={DECODER:"draco_wasm_wrapper.js",DECODER_WASM:"draco_decoder.wasm",FALLBACK_DECODER:"draco_decoder.js",ENCODER:"draco_encoder.js"},_={[u.DECODER]:`${L}/${u.DECODER}`,[u.DECODER_WASM]:`${L}/${u.DECODER_WASM}`,[u.FALLBACK_DECODER]:`${L}/${u.FALLBACK_DECODER}`,[u.ENCODER]:`https://raw.githubusercontent.com/google/draco/${pt}/javascript/${u.ENCODER}`},C,S;async function q(o){let t=o.modules||{};return t.draco3d?C||=t.draco3d.createDecoderModule({}).then(e=>({draco:e})):C||=_t(o),await C}async function G(o){let t=o.modules||{};return t.draco3d?S||=t.draco3d.createEncoderModule({}).then(e=>({draco:e})):S||=gt(o),await S}async function _t(o){let t,e;switch(o.draco&&o.draco.decoderType){case"js":t=await p(_[u.FALLBACK_DECODER],"draco",o,u.FALLBACK_DECODER);break;case"wasm":default:[t,e]=await Promise.all([await p(_[u.DECODER],"draco",o,u.DECODER),await p(_[u.DECODER_WASM],"draco",o,u.DECODER_WASM)])}return t=t||globalThis.DracoDecoderModule,await bt(t,e)}function bt(o,t){let e={};return t&&(e.wasmBinary=t),new Promise(r=>{o({...e,onModuleLoaded:n=>r({draco:n})})})}async function gt(o){let t=await p(_[u.ENCODER],"draco",o,u.ENCODER);return t=t||globalThis.DracoEncoderModule,new Promise(e=>{t({onModuleLoaded:r=>e({draco:r})})})}var Q={POSITION:"POSITION",NORMAL:"NORMAL",COLOR_0:"COLOR",TEXCOORD_0:"TEX_COORD"},Tt=()=>{},g=class{draco;dracoEncoder;dracoMeshBuilder;dracoMetadataBuilder;log;constructor(t){this.draco=t,this.dracoEncoder=new this.draco.Encoder,this.dracoMeshBuilder=new this.draco.MeshBuilder,this.dracoMetadataBuilder=new this.draco.MetadataBuilder}destroy(){this.destroyEncodedObject(this.dracoMeshBuilder),this.destroyEncodedObject(this.dracoEncoder),this.destroyEncodedObject(this.dracoMetadataBuilder),this.dracoMeshBuilder=null,this.dracoEncoder=null,this.draco=null}destroyEncodedObject(t){t&&this.draco.destroy(t)}encodeSync(t,e={}){return this.log=Tt,this._setOptions(e),e.pointcloud?this._encodePointCloud(t,e):this._encodeMesh(t,e)}_getAttributesFromMesh(t){let e={...t,...t.attributes};return t.indices&&(e.indices=t.indices),e}_encodePointCloud(t,e){let r=new this.draco.PointCloud;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoPointCloud(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodePointCloudToDracoBuffer(r,!1,a);if(!(i>0))throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
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I={dataType:null,batchType:null,name:"Draco",id:"draco",module:"draco",version:y,worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:typeof WebAssembly=="object"?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};function B(o){switch(o.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function M(o){let t=1/0,e=1/0,r=1/0,n=-1/0,a=-1/0,i=-1/0,s=o.POSITION?o.POSITION.value:[],c=s&&s.length;for(let d=0;d<c;d+=3){let l=s[d],h=s[d+1],m=s[d+2];t=l<t?l:t,e=h<e?h:e,r=m<r?m:r,n=l>n?l:n,a=h>a?h:a,i=m>i?m:i}return[[t,e,r],[n,a,i]]}function R(o,t,e){let r=B(t.value),n=e||P(t);return{name:o,type:{type:"fixed-size-list",listSize:t.size,children:[{name:"value",type:r}]},nullable:!1,metadata:n}}function P(o){let t={};return"byteOffset"in o&&(t.byteOffset=o.byteOffset.toString(10)),"byteStride"in o&&(t.byteStride=o.byteStride.toString(10)),"normalized"in o&&(t.normalized=o.normalized.toString()),t}function U(o,t,e){let r=z(t.metadata),n=[],a=at(t.attributes);for(let i in o){let s=o[i],c=k(i,s,a[i]);n.push(c)}if(e){let i=k("indices",e);n.push(i)}return{fields:n,metadata:r}}function at(o){let t={};for(let e in o){let r=o[e];t[r.name||"undefined"]=r}return t}function k(o,t,e){let r=e?z(e.metadata):void 0;return R(o,t,r)}function z(o){Object.entries(o);let t={};for(let e in o)t[`${e}.string`]=JSON.stringify(o[e]);return t}var W={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},it={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},st=4,b=class{draco;decoder;metadataQuerier;constructor(t){this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,e={}){let r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(e);let n=this.decoder.GetEncodedGeometryType(r),a=n===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let i;switch(n){case this.draco.TRIANGULAR_MESH:i=this.decoder.DecodeBufferToMesh(r,a);break;case this.draco.POINT_CLOUD:i=this.decoder.DecodeBufferToPointCloud(r,a);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!i.ok()||!a.ptr){let m=`DRACO decompression failed: ${i.error_msg()}`;throw new Error(m)}let s=this._getDracoLoaderData(a,n,e),c=this._getMeshData(a,s,e),d=M(c.attributes),l=U(c.attributes,s,c.indices);return{loader:"draco",loaderData:s,header:{vertexCount:a.num_points(),boundingBox:d},...c,schema:l}}finally{this.draco.destroy(r),a&&this.draco.destroy(a)}}_getDracoLoaderData(t,e,r){let n=this._getTopLevelMetadata(t),a=this._getDracoAttributes(t,r);return{geometry_type:e,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:n,attributes:a}}_getDracoAttributes(t,e){let r={};for(let n=0;n<t.num_attributes();n++){let a=this.decoder.GetAttribute(t,n),i=this._getAttributeMetadata(t,n);r[a.unique_id()]={unique_id:a.unique_id(),attribute_type:a.attribute_type(),data_type:a.data_type(),num_components:a.num_components(),byte_offset:a.byte_offset(),byte_stride:a.byte_stride(),normalized:a.normalized(),attribute_index:n,metadata:i};let s=this._getQuantizationTransform(a,e);s&&(r[a.unique_id()].quantization_transform=s);let c=this._getOctahedronTransform(a,e);c&&(r[a.unique_id()].octahedron_transform=c)}return r}_getMeshData(t,e,r){let n=this._getMeshAttributes(e,t,r);if(!n.POSITION)throw new Error("DRACO: No position attribute found.");if(t instanceof this.draco.Mesh)switch(r.topology){case"triangle-strip":return{topology:"triangle-strip",mode:4,attributes:n,indices:{value:this._getTriangleStripIndices(t),size:1}};case"triangle-list":default:return{topology:"triangle-list",mode:5,attributes:n,indices:{value:this._getTriangleListIndices(t),size:1}}}return{topology:"point-list",mode:0,attributes:n}}_getMeshAttributes(t,e,r){let n={};for(let a of Object.values(t.attributes)){let i=this._deduceAttributeName(a,r);a.name=i;let s=this._getAttributeValues(e,a);if(s){let{value:c,size:d}=s;n[i]={value:c,size:d,byteOffset:a.byte_offset,byteStride:a.byte_stride,normalized:a.normalized}}}return n}_getTriangleListIndices(t){let r=t.num_faces()*3,n=r*st,a=this.draco._malloc(n);try{return this.decoder.GetTrianglesUInt32Array(t,n,a),new Uint32Array(this.draco.HEAPF32.buffer,a,r).slice()}finally{this.draco._free(a)}}_getTriangleStripIndices(t){let e=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,e),ut(e)}finally{this.draco.destroy(e)}}_getAttributeValues(t,e){let r=it[e.data_type];if(!r)return console.warn(`DRACO: Unsupported attribute type ${e.data_type}`),null;let n=e.num_components,i=t.num_points()*n,s=i*r.BYTES_PER_ELEMENT,c=ct(this.draco,r),d,l=this.draco._malloc(s);try{let h=this.decoder.GetAttribute(t,e.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,h,c,s,l),d=new r(this.draco.HEAPF32.buffer,l,i).slice()}finally{this.draco._free(l)}return{value:d,size:n}}_deduceAttributeName(t,e){let r=t.unique_id;for(let[i,s]of Object.entries(e.extraAttributes||{}))if(s===r)return i;let n=t.attribute_type;for(let i in W)if(this.draco[i]===n)return W[i];let a=e.attributeNameEntry||"name";return t.metadata[a]?t.metadata[a].string:`CUSTOM_ATTRIBUTE_${r}`}_getTopLevelMetadata(t){let e=this.decoder.GetMetadata(t);return this._getDracoMetadata(e)}_getAttributeMetadata(t,e){let r=this.decoder.GetAttributeMetadata(t,e);return this._getDracoMetadata(r)}_getDracoMetadata(t){if(!t||!t.ptr)return{};let e={},r=this.metadataQuerier.NumEntries(t);for(let n=0;n<r;n++){let a=this.metadataQuerier.GetEntryName(t,n);e[a]=this._getDracoMetadataField(t,a)}return e}_getDracoMetadataField(t,e){let r=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(t,e,r);let n=dt(r);return{int:this.metadataQuerier.GetIntEntry(t,e),string:this.metadataQuerier.GetStringEntry(t,e),double:this.metadataQuerier.GetDoubleEntry(t,e),intArray:n}}finally{this.draco.destroy(r)}}_disableAttributeTransforms(t){let{quantizedAttributes:e=[],octahedronAttributes:r=[]}=t,n=[...e,...r];for(let a of n)this.decoder.SkipAttributeTransform(this.draco[a])}_getQuantizationTransform(t,e){let{quantizedAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits(),range:i.range(),min_values:new Float32Array([1,2,3]).map(s=>i.min_value(s))}}finally{this.draco.destroy(i)}}return null}_getOctahedronTransform(t,e){let{octahedronAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits()}}finally{this.draco.destroy(i)}}return null}};function ct(o,t){switch(t){case Float32Array:return o.DT_FLOAT32;case Int8Array:return o.DT_INT8;case Int16Array:return o.DT_INT16;case Int32Array:return o.DT_INT32;case Uint8Array:return o.DT_UINT8;case Uint16Array:return o.DT_UINT16;case Uint32Array:return o.DT_UINT32;default:return o.DT_INVALID}}function dt(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function ut(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function lt(){return globalThis._loadersgl_?.version||(globalThis._loadersgl_=globalThis._loadersgl_||{},globalThis._loadersgl_.version="4.3.0-alpha.3"),globalThis._loadersgl_.version}var $=lt();function v(o,t){if(!o)throw new Error(t||"loaders.gl assertion failed.")}var f={self:typeof self<"u"&&self,window:typeof window<"u"&&window,global:typeof global<"u"&&global,document:typeof document<"u"&&document},Yt=f.self||f.window||f.global||{},Ht=f.window||f.self||f.global||{},Kt=f.global||f.self||f.window||{},Zt=f.document||{};var A=typeof process!="object"||String(process)!=="[object process]"||process.browser,O=typeof importScripts=="function",Jt=typeof window<"u"&&typeof window.orientation<"u",j=typeof process<"u"&&process.version&&/v([0-9]*)/.exec(process.version),te=j&&parseFloat(j[1])||0;var x={};async function p(o,t=null,e={},r=null){return t&&(o=V(o,t,e,r)),x[o]=x[o]||ft(o),await x[o]}function V(o,t,e={},r=null){if(!e.useLocalLibraries&&o.startsWith("http"))return o;r=r||o;let n=e.modules||{};return n[r]?n[r]:A?e.CDN?(v(e.CDN.startsWith("http")),`${e.CDN}/${t}@${$}/dist/libs/${r}`):O?`../src/libs/${r}`:`modules/${t}/src/libs/${r}`:`modules/${t}/dist/libs/${r}`}async function ft(o){if(o.endsWith("wasm"))return await mt(o);if(!A)try{let{requireFromFile:e}=globalThis.loaders||{};return await e?.(o)}catch(e){return console.error(e),null}if(O)return importScripts(o);let t=await yt(o);return ht(t,o)}function ht(o,t){if(!A){let{requireFromString:r}=globalThis.loaders||{};return r?.(o,t)}if(O)return eval.call(globalThis,o),null;let e=document.createElement("script");e.id=t;try{e.appendChild(document.createTextNode(o))}catch{e.text=o}return document.body.appendChild(e),null}async function mt(o){let{readFileAsArrayBuffer:t}=globalThis.loaders||{};return A||!t||o.startsWith("http")?await(await fetch(o)).arrayBuffer():await t(o)}async function yt(o){let{readFileAsText:t}=globalThis.loaders||{};return A||!t||o.startsWith("http")?await(await fetch(o)).text():await t(o)}var At="1.5.6",pt="1.4.1",L=`https://www.gstatic.com/draco/versioned/decoders/${At}`,u={DECODER:"draco_wasm_wrapper.js",DECODER_WASM:"draco_decoder.wasm",FALLBACK_DECODER:"draco_decoder.js",ENCODER:"draco_encoder.js"},_={[u.DECODER]:`${L}/${u.DECODER}`,[u.DECODER_WASM]:`${L}/${u.DECODER_WASM}`,[u.FALLBACK_DECODER]:`${L}/${u.FALLBACK_DECODER}`,[u.ENCODER]:`https://raw.githubusercontent.com/google/draco/${pt}/javascript/${u.ENCODER}`},C,S;async function q(o){let t=o.modules||{};return t.draco3d?C||=t.draco3d.createDecoderModule({}).then(e=>({draco:e})):C||=_t(o),await C}async function G(o){let t=o.modules||{};return t.draco3d?S||=t.draco3d.createEncoderModule({}).then(e=>({draco:e})):S||=Tt(o),await S}async function _t(o){let t,e;switch(o.draco&&o.draco.decoderType){case"js":t=await p(_[u.FALLBACK_DECODER],"draco",o,u.FALLBACK_DECODER);break;case"wasm":default:[t,e]=await Promise.all([await p(_[u.DECODER],"draco",o,u.DECODER),await p(_[u.DECODER_WASM],"draco",o,u.DECODER_WASM)])}return t=t||globalThis.DracoDecoderModule,await bt(t,e)}function bt(o,t){let e={};return t&&(e.wasmBinary=t),new Promise(r=>{o({...e,onModuleLoaded:n=>r({draco:n})})})}async function Tt(o){let t=await p(_[u.ENCODER],"draco",o,u.ENCODER);return t=t||globalThis.DracoEncoderModule,new Promise(e=>{t({onModuleLoaded:r=>e({draco:r})})})}var Q={POSITION:"POSITION",NORMAL:"NORMAL",COLOR_0:"COLOR",TEXCOORD_0:"TEX_COORD"},gt=()=>{},T=class{draco;dracoEncoder;dracoMeshBuilder;dracoMetadataBuilder;log;constructor(t){this.draco=t,this.dracoEncoder=new this.draco.Encoder,this.dracoMeshBuilder=new this.draco.MeshBuilder,this.dracoMetadataBuilder=new this.draco.MetadataBuilder}destroy(){this.destroyEncodedObject(this.dracoMeshBuilder),this.destroyEncodedObject(this.dracoEncoder),this.destroyEncodedObject(this.dracoMetadataBuilder),this.dracoMeshBuilder=null,this.dracoEncoder=null,this.draco=null}destroyEncodedObject(t){t&&this.draco.destroy(t)}encodeSync(t,e={}){return this.log=gt,this._setOptions(e),e.pointcloud?this._encodePointCloud(t,e):this._encodeMesh(t,e)}_getAttributesFromMesh(t){let e={...t,...t.attributes};return t.indices&&(e.indices=t.indices),e}_encodePointCloud(t,e){let r=new this.draco.PointCloud;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoPointCloud(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodePointCloudToDracoBuffer(r,!1,a);if(!(i>0))throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
         with ${r.num_attributes()} attributes into ${i} bytes`),X(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_encodeMesh(t,e){let r=new this.draco.Mesh;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoMesh(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodeMeshToDracoBuffer(r,a);if(i<=0)throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
-        with ${r.num_attributes()} attributes into ${i} bytes`),X(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_setOptions(t){if("speed"in t&&this.dracoEncoder.SetSpeedOptions(...t.speed),"method"in t){let e=this.draco[t.method||"MESH_SEQUENTIAL_ENCODING"];this.dracoEncoder.SetEncodingMethod(e)}if("quantization"in t)for(let e in t.quantization){let r=t.quantization[e],n=this.draco[e];this.dracoEncoder.SetAttributeQuantization(n,r)}}_createDracoMesh(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_createDracoPointCloud(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_addAttributeToMesh(t,e,r,n){if(!ArrayBuffer.isView(r))return-1;let a=this._getDracoAttributeType(e),i=r.length/n;if(a==="indices"){let d=r.length/3;return this.log(`Adding attribute ${e}, size ${d}`),this.dracoMeshBuilder.AddFacesToMesh(t,d,r),-1}this.log(`Adding attribute ${e}, size ${i}`);let s=this.dracoMeshBuilder,{buffer:c}=r;switch(r.constructor){case Int8Array:return s.AddInt8Attribute(t,a,n,i,new Int8Array(c));case Int16Array:return s.AddInt16Attribute(t,a,n,i,new Int16Array(c));case Int32Array:return s.AddInt32Attribute(t,a,n,i,new Int32Array(c));case Uint8Array:case Uint8ClampedArray:return s.AddUInt8Attribute(t,a,n,i,new Uint8Array(c));case Uint16Array:return s.AddUInt16Attribute(t,a,n,i,new Uint16Array(c));case Uint32Array:return s.AddUInt32Attribute(t,a,n,i,new Uint32Array(c));case Float32Array:return s.AddFloatAttribute(t,a,n,i,new Float32Array(c));default:return console.warn("Unsupported attribute type",r),-1}}_getDracoAttributeType(t){switch(t.toLowerCase()){case"indices":return"indices";case"position":case"positions":case"vertices":return this.draco.POSITION;case"normal":case"normals":return this.draco.NORMAL;case"color":case"colors":return this.draco.COLOR;case"texcoord":case"texcoords":return this.draco.TEX_COORD;default:return this.draco.GENERIC}}_getPositionAttribute(t){for(let e in t){let r=t[e];if(this._getDracoAttributeType(e)===this.draco.POSITION)return r}return null}_addGeometryMetadata(t,e){let r=new this.draco.Metadata;this._populateDracoMetadata(r,e),this.dracoMeshBuilder.AddMetadata(t,r)}_addAttributeMetadata(t,e,r){let n=new this.draco.Metadata;this._populateDracoMetadata(n,r),this.dracoMeshBuilder.SetMetadataForAttribute(t,e,n)}_populateDracoMetadata(t,e){for(let[r,n]of Dt(e))switch(typeof n){case"number":Math.trunc(n)===n?this.dracoMetadataBuilder.AddIntEntry(t,r,n):this.dracoMetadataBuilder.AddDoubleEntry(t,r,n);break;case"object":n instanceof Int32Array&&this.dracoMetadataBuilder.AddIntEntryArray(t,r,n,n.length);break;case"string":default:this.dracoMetadataBuilder.AddStringEntry(t,r,n)}}};function X(o){let t=o.size(),e=new ArrayBuffer(t),r=new Int8Array(e);for(let n=0;n<t;++n)r[n]=o.GetValue(n);return e}function Dt(o){return o.entries&&!o.hasOwnProperty("entries")?o.entries():Object.entries(o)}var Et={pointcloud:!1,attributeNameEntry:"name"},Y={name:"DRACO",id:"draco",module:"draco",version:A,extensions:["drc"],options:{draco:Et},encode:wt};async function wt(o,t={}){let{draco:e}=await G(t),r=new g(e);try{return r.encodeSync(o,t.draco)}finally{r.destroy()}}var Ot={id:"draco-writer",name:"Draco compressed geometry writer",module:"draco",version:A,worker:!0,options:{draco:{},source:null}};var It={...I,parse:Mt};async function Mt(o,t){let{draco:e}=await q(t),r=new b(e);try{return r.parseSync(o,t?.draco)}finally{r.destroy()}}return nt(T);})();
+        with ${r.num_attributes()} attributes into ${i} bytes`),X(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_setOptions(t){if("speed"in t&&this.dracoEncoder.SetSpeedOptions(...t.speed),"method"in t){let e=this.draco[t.method||"MESH_SEQUENTIAL_ENCODING"];this.dracoEncoder.SetEncodingMethod(e)}if("quantization"in t)for(let e in t.quantization){let r=t.quantization[e],n=this.draco[e];this.dracoEncoder.SetAttributeQuantization(n,r)}}_createDracoMesh(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_createDracoPointCloud(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_addAttributeToMesh(t,e,r,n){if(!ArrayBuffer.isView(r))return-1;let a=this._getDracoAttributeType(e),i=r.length/n;if(a==="indices"){let d=r.length/3;return this.log(`Adding attribute ${e}, size ${d}`),this.dracoMeshBuilder.AddFacesToMesh(t,d,r),-1}this.log(`Adding attribute ${e}, size ${i}`);let s=this.dracoMeshBuilder,{buffer:c}=r;switch(r.constructor){case Int8Array:return s.AddInt8Attribute(t,a,n,i,new Int8Array(c));case Int16Array:return s.AddInt16Attribute(t,a,n,i,new Int16Array(c));case Int32Array:return s.AddInt32Attribute(t,a,n,i,new Int32Array(c));case Uint8Array:case Uint8ClampedArray:return s.AddUInt8Attribute(t,a,n,i,new Uint8Array(c));case Uint16Array:return s.AddUInt16Attribute(t,a,n,i,new Uint16Array(c));case Uint32Array:return s.AddUInt32Attribute(t,a,n,i,new Uint32Array(c));case Float32Array:return s.AddFloatAttribute(t,a,n,i,new Float32Array(c));default:return console.warn("Unsupported attribute type",r),-1}}_getDracoAttributeType(t){switch(t.toLowerCase()){case"indices":return"indices";case"position":case"positions":case"vertices":return this.draco.POSITION;case"normal":case"normals":return this.draco.NORMAL;case"color":case"colors":return this.draco.COLOR;case"texcoord":case"texcoords":return this.draco.TEX_COORD;default:return this.draco.GENERIC}}_getPositionAttribute(t){for(let e in t){let r=t[e];if(this._getDracoAttributeType(e)===this.draco.POSITION)return r}return null}_addGeometryMetadata(t,e){let r=new this.draco.Metadata;this._populateDracoMetadata(r,e),this.dracoMeshBuilder.AddMetadata(t,r)}_addAttributeMetadata(t,e,r){let n=new this.draco.Metadata;this._populateDracoMetadata(n,r),this.dracoMeshBuilder.SetMetadataForAttribute(t,e,n)}_populateDracoMetadata(t,e){for(let[r,n]of Dt(e))switch(typeof n){case"number":Math.trunc(n)===n?this.dracoMetadataBuilder.AddIntEntry(t,r,n):this.dracoMetadataBuilder.AddDoubleEntry(t,r,n);break;case"object":n instanceof Int32Array&&this.dracoMetadataBuilder.AddIntEntryArray(t,r,n,n.length);break;case"string":default:this.dracoMetadataBuilder.AddStringEntry(t,r,n)}}};function X(o){let t=o.size(),e=new ArrayBuffer(t),r=new Int8Array(e);for(let n=0;n<t;++n)r[n]=o.GetValue(n);return e}function Dt(o){return o.entries&&!o.hasOwnProperty("entries")?o.entries():Object.entries(o)}var Et={pointcloud:!1,attributeNameEntry:"name"},Y={name:"DRACO",id:"draco",module:"draco",version:y,extensions:["drc"],options:{draco:Et},encode:wt};async function wt(o,t={}){let{draco:e}=await G(t),r=new T(e);try{return r.encodeSync(o,t.draco)}finally{r.destroy()}}var Ot={id:"draco-writer",name:"Draco compressed geometry writer",module:"draco",version:y,worker:!0,options:{draco:{},source:null}};var It={...I,parse:Mt};async function Mt(o,t){let{draco:e}=await q(t),r=new b(e);try{return r.parseSync(o,t?.draco)}finally{r.destroy()}}return nt(g);})();
       return __exports__;
       });

dist/draco-worker.js

@@ -13,3 +13,3 @@ "use strict";
       } else {
-        globalThis._loadersgl_.version = "4.3.0-alpha.2";
+        globalThis._loadersgl_.version = "4.3.0-alpha.3";
       }
@@ -334,3 +334,3 @@ }
   // src/lib/utils/version.ts
-  var VERSION2 = true ? "4.3.0-alpha.2" : "latest";
+  var VERSION2 = true ? "4.3.0-alpha.3" : "latest";
 
@@ -337,0 +337,0 @@ // src/draco-loader.ts

dist/draco-writer-worker.js

@@ -13,3 +13,3 @@ "use strict";
       } else {
-        globalThis._loadersgl_.version = "4.3.0-alpha.2";
+        globalThis._loadersgl_.version = "4.3.0-alpha.3";
       }
@@ -629,3 +629,3 @@ }
   // src/lib/utils/version.ts
-  var VERSION2 = true ? "4.3.0-alpha.2" : "latest";
+  var VERSION2 = true ? "4.3.0-alpha.3" : "latest";
 
@@ -632,0 +632,0 @@ // src/draco-writer.ts

dist/lib/draco-builder.js

@@ -230,5 +230,2 @@ // Native Draco attribute names to GLTF attribute names.
                 return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
-            // case Float64Array:
-            // Add attribute does not seem to be exposed
-            //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
             default:
@@ -239,2 +236,5 @@ // eslint-disable-next-line no-console
         }
+        // case Float64Array:
+        // Add attribute does not seem to be exposed
+        //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
     }
@@ -241,0 +241,0 @@ /**

dist/lib/utils/version.js

 // Version constant cannot be imported, it needs to correspond to the build version of **this** module.
 // __VERSION__ is injected by babel-plugin-version-inline
 // @ts-ignore TS2304: Cannot find name '__VERSION__'.
-export const VERSION = typeof "4.3.0-alpha.2" !== 'undefined' ? "4.3.0-alpha.2" : 'latest';
+export const VERSION = typeof "4.3.0-alpha.3" !== 'undefined' ? "4.3.0-alpha.3" : 'latest';

package.json

 {
   "name": "@loaders.gl/draco",
-  "version": "4.3.0-alpha.3",
+  "version": "4.3.0-alpha.4",
   "description": "Framework-independent loader and writer for Draco compressed meshes and point clouds",
@@ -60,5 +60,5 @@ "license": "MIT",
   "dependencies": {
-    "@loaders.gl/loader-utils": "4.3.0-alpha.3",
-    "@loaders.gl/schema": "4.3.0-alpha.3",
-    "@loaders.gl/worker-utils": "4.3.0-alpha.3",
+    "@loaders.gl/loader-utils": "4.3.0-alpha.4",
+    "@loaders.gl/schema": "4.3.0-alpha.4",
+    "@loaders.gl/worker-utils": "4.3.0-alpha.4",
     "draco3d": "1.5.7"
@@ -72,3 +72,3 @@ },
   },
-  "gitHead": "3213679d79e6ff2814d48fd3337acfa446c74099"
+  "gitHead": "4900ac4c4de20366c050b80cef04dc5b52d167af"
 }

src/lib/draco-builder.ts

@@ -322,6 +322,2 @@ /* eslint-disable camelcase */
 
-      // case Float64Array:
-      // Add attribute does not seem to be exposed
-      //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
-
       default:
@@ -332,2 +328,6 @@ // eslint-disable-next-line no-console
     }
+
+    // case Float64Array:
+    // Add attribute does not seem to be exposed
+    //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
   }
@@ -334,0 +334,0 @@

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Dependency changes

• + [e-mail]/loader-utils@4.3.0-alpha.4(transitive)

• + [e-mail]/schema@4.3.0-alpha.4(transitive)

• + [e-mail]/worker-utils@4.3.0-alpha.4(transitive)

• - [e-mail]/loader-utils@4.3.0-alpha.3(transitive)

• - [e-mail]/schema@4.3.0-alpha.3(transitive)

• - [e-mail]/worker-utils@4.3.0-alpha.3(transitive)

• [e-mail]/loader-utils@4.3.0-alpha.4

• [e-mail]/schema@4.3.0-alpha.4

• [e-mail]/worker-utils@4.3.0-alpha.4