@jdultra/threedtiles/dist/threedtiles.min.js

An OGC 3DTiles viewer for Three.js

/*! For license information please see threedtiles.min.js.LICENSE.txt */
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All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them."),null;for(const a in u.attributes){if(!o.has(a))return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+t+'. All geometries must have compatible attributes; make sure "'+a+'" attribute exists among all geometries, or in none of them.'),null;void 0===c[a]&&(c[a]=[]),c[a].push(u.attributes[a]),g++}if(g!==o.size)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+t+". Make sure all geometries have the same number of attributes."),null;if(d!==u.morphTargetsRelative)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+t+". .morphTargetsRelative must be consistent throughout all geometries."),null;for(const a in u.morphAttributes){if(!A.has(a))return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+t+".  .morphAttributes must be consistent throughout all geometries."),null;void 0===l[a]&&(l[a]=[]),l[a].push(u.morphAttributes[a])}if(r){let a;if(i)a=u.index.count;else{if(void 0===u.attributes.position)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+t+". The geometry must have either an index or a position attribute"),null;a=u.attributes.position.count}h.addGroup(b,a,t),b+=a}}if(i){let t=0;const r=[];for(let i=0;i<a.length;++i){const o=a[i].index;for(let a=0;a<o.count;++a)r.push(o.getX(a)+t);t+=a[i].attributes.position.count}h.setIndex(r)}for(const t in c){const a=mergeAttributes(c[t]);if(!a)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the "+t+" attribute."),null;h.setAttribute(t,a)}for(const t in l){const a=l[t][0].length;if(0===a)break;h.morphAttributes=h.morphAttributes||{},h.morphAttributes[t]=[];for(let r=0;r<a;++r){const a=[];for(let i=0;i<l[t].length;++i)a.push(l[t][i][r]);const i=mergeAttributes(a);if(!i)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the "+t+" morphAttribute."),null;h.morphAttributes[t].push(i)}}return h}(a,!0);return i}(o);return(r=new t.InstancedMesh(c,A,i)).baseMatrix=(new t.Matrix4).identity(),r}))}}])}();class GLTFLoader extends t.Loader{constructor(t){super(t),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(t){return new GLTFMaterialsClearcoatExtension(t)})),this.register((function(t){return new GLTFMaterialsDispersionExtension(t)})),this.register((function(t){return new GLTFTextureBasisUExtension(t)})),this.register((function(t){return new GLTFTextureWebPExtension(t)})),this.register((function(t){return new GLTFTextureAVIFExtension(t)})),this.register((function(t){return new GLTFMaterialsSheenExtension(t)})),this.register((function(t){return new GLTFMaterialsTransmissionExtension(t)})),this.register((function(t){return new GLTFMaterialsVolumeExtension(t)})),this.register((function(t){return new GLTFMaterialsIorExtension(t)})),this.register((function(t){return new GLTFMaterialsEmissiveStrengthExtension(t)})),this.register((function(t){return new GLTFMaterialsSpecularExtension(t)})),this.register((function(t){return new GLTFMaterialsIridescenceExtension(t)})),this.register((function(t){return new GLTFMaterialsAnisotropyExtension(t)})),this.register((function(t){return new GLTFMaterialsBumpExtension(t)})),this.register((function(t){return new GLTFLightsExtension(t)})),this.register((function(t){return new GLTFMeshoptCompression(t)})),this.register((function(t){return new GLTFMeshGpuInstancing(t)}))}load(a,r,i,o){const A=this;let c;if(""!==this.resourcePath)c=this.resourcePath;else if(""!==this.path){const r=t.LoaderUtils.extractUrlBase(a);c=t.LoaderUtils.resolveURL(r,this.path)}else c=t.LoaderUtils.extractUrlBase(a);this.manager.itemStart(a);const _onError=function(t){o?o(t):console.error(t),A.manager.itemError(a),A.manager.itemEnd(a)},l=new t.FileLoader(this.manager);l.setPath(this.path),l.setResponseType("arraybuffer"),l.setRequestHeader(this.requestHeader),l.setWithCredentials(this.withCredentials),l.load(a,(function(t){try{A.parse(t,c,(function(t){r(t),A.manager.itemEnd(a)}),_onError)}catch(t){_onError(t)}}),i,_onError)}setDRACOLoader(t){return this.dracoLoader=t,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".')}setKTX2Loader(t){return this.ktx2Loader=t,this}setMeshoptDecoder(t){return this.meshoptDecoder=t,this}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,a,r,i){let o;const A={},c={},l=new TextDecoder;if("string"==typeof t)o=JSON.parse(t);else if(t instanceof ArrayBuffer){if(l.decode(new Uint8Array(t,0,4))===b){try{A[h.KHR_BINARY_GLTF]=new GLTFBinaryExtension(t)}catch(t){return void(i&&i(t))}o=JSON.parse(A[h.KHR_BINARY_GLTF].content)}else o=JSON.parse(l.decode(t))}else o=t;if(void 0===o.asset||o.asset.version[0]<2)return void(i&&i(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const d=new GLTFParser(o,{path:a||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});d.fileLoader.setRequestHeader(this.requestHeader);for(let t=0;t<this.pluginCallbacks.length;t++){const a=this.pluginCallbacks[t](d);a.name||console.error("THREE.GLTFLoader: Invalid plugin found: missing name"),c[a.name]=a,A[a.name]=!0}if(o.extensionsUsed)for(let t=0;t<o.extensionsUsed.length;++t){const a=o.extensionsUsed[t],r=o.extensionsRequired||[];switch(a){case h.KHR_MATERIALS_UNLIT:A[a]=new GLTFMaterialsUnlitExtension;break;case h.KHR_DRACO_MESH_COMPRESSION:A[a]=new GLTFDracoMeshCompressionExtension(o,this.dracoLoader);break;case h.KHR_TEXTURE_TRANSFORM:A[a]=new GLTFTextureTransformExtension;break;case h.KHR_MESH_QUANTIZATION:A[a]=new GLTFMeshQuantizationExtension;break;default:r.indexOf(a)>=0&&void 0===c[a]&&console.warn('THREE.GLTFLoader: Unknown extension "'+a+'".')}}d.setExtensions(A),d.setPlugins(c),d.parse(r,i)}parseAsync(t,a){const r=this;return new Promise((function(i,o){r.parse(t,a,i,o)}))}}function GLTFRegistry(){let t={};return{get:function(a){return t[a]},add:function(a,r){t[a]=r},remove:function(a){delete t[a]},removeAll:function(){t={}}}}const h={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_DISPERSION:"KHR_materials_dispersion",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_IRIDESCENCE:"KHR_materials_iridescence",KHR_MATERIALS_ANISOTROPY:"KHR_materials_anisotropy",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",KHR_MATERIALS_EMISSIVE_STRENGTH:"KHR_materials_emissive_strength",EXT_MATERIALS_BUMP:"EXT_materials_bump",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_TEXTURE_AVIF:"EXT_texture_avif",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression",EXT_MESH_GPU_INSTANCING:"EXT_mesh_gpu_instancing"};class GLTFLightsExtension{constructor(t){this.parser=t,this.name=h.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const t=this.parser,a=this.parser.json.nodes||[];for(let r=0,i=a.length;r<i;r++){const i=a[r];i.extensions&&i.extensions[this.name]&&void 0!==i.extensions[this.name].light&&t._addNodeRef(this.cache,i.extensions[this.name].light)}}_loadLight(a){const r=this.parser,i="light:"+a;let o=r.cache.get(i);if(o)return o;const A=r.json,c=((A.extensions&&A.extensions[this.name]||{}).lights||[])[a];let l;const d=new t.Color(16777215);void 0!==c.color&&d.setRGB(c.color[0],c.color[1],c.color[2],t.LinearSRGBColorSpace);const h=void 0!==c.range?c.range:0;switch(c.type){case"directional":l=new t.DirectionalLight(d),l.target.position.set(0,0,-1),l.add(l.target);break;case"point":l=new t.PointLight(d),l.distance=h;break;case"spot":l=new t.SpotLight(d),l.distance=h,c.spot=c.spot||{},c.spot.innerConeAngle=void 0!==c.spot.innerConeAngle?c.spot.innerConeAngle:0,c.spot.outerConeAngle=void 0!==c.spot.outerConeAngle?c.spot.outerConeAngle:Math.PI/4,l.angle=c.spot.outerConeAngle,l.penumbra=1-c.spot.innerConeAngle/c.spot.outerConeAngle,l.target.position.set(0,0,-1),l.add(l.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+c.type)}return l.position.set(0,0,0),l.decay=2,assignExtrasToUserData(l,c),void 0!==c.intensity&&(l.intensity=c.intensity),l.name=r.createUniqueName(c.name||"light_"+a),o=Promise.resolve(l),r.cache.add(i,o),o}getDependency(t,a){if("light"===t)return this._loadLight(a)}createNodeAttachment(t){const a=this,r=this.parser,i=r.json.nodes[t],o=(i.extensions&&i.extensions[this.name]||{}).light;return void 0===o?null:this._loadLight(o).then((function(t){return r._getNodeRef(a.cache,o,t)}))}}class GLTFMaterialsUnlitExtension{constructor(){this.name=h.KHR_MATERIALS_UNLIT}getMaterialType(){return t.MeshBasicMaterial}extendParams(a,r,i){const o=[];a.color=new t.Color(1,1,1),a.opacity=1;const A=r.pbrMetallicRoughness;if(A){if(Array.isArray(A.baseColorFactor)){const r=A.baseColorFactor;a.color.setRGB(r[0],r[1],r[2],t.LinearSRGBColorSpace),a.opacity=r[3]}void 0!==A.baseColorTexture&&o.push(i.assignTexture(a,"map",A.baseColorTexture,t.SRGBColorSpace))}return Promise.all(o)}}class GLTFMaterialsEmissiveStrengthExtension{constructor(t){this.parser=t,this.name=h.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(t,a){const r=this.parser.json.materials[t];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=r.extensions[this.name].emissiveStrength;return void 0!==i&&(a.emissiveIntensity=i),Promise.resolve()}}class GLTFMaterialsClearcoatExtension{constructor(t){this.parser=t,this.name=h.KHR_MATERIALS_CLEARCOAT}getMaterialType(a){const r=this.parser.json.materials[a];return r.extensions&&r.extensions[this.name]?t.MeshPhysicalMaterial:null}extendMaterialParams(a,r){const i=this.parser,o=i.json.materials[a];if(!o.extensions||!o.extensions[this.name])return Promise.resolve();const A=[],c=o.extensions[this.name];if(void 0!==c.clearcoatFactor&&(r.clearcoat=c.clearcoatFactor),void 0!==c.clearcoatTexture&&A.push(i.assignTexture(r,"clearcoatMap",c.clearcoatTexture)),void 0!==c.clearcoatRoughnessFactor&&(r.clearcoatRoughness=c.clearcoatRoughnessFactor),void 0!==c.clearcoatRoughnessTexture&&A.push(i.assignTexture(r,"clearcoatRoughnessMap",c.clearcoatRoughnessTexture)),void 0!==c.clearcoatNormalTexture&&(A.push(i.assignTexture(r,"clearcoatNormalMap",c.clearcoatNormalTexture)),void 0!==c.clearcoatNormalTexture.scale)){const a=c.clearcoatNormalTexture.scale;r.clearcoatNormalScale=new t.Vector2(a,a)}return Promise.all(A)}}class GLTFMaterialsDispersionExtension{constructor(t){this.parser=t,this.name=h.KHR_MATERIALS_DISPERSION}getMaterialType(a){const r=this.parser.json.materials[a];return r.extensions&&r.extensions[this.name]?t.MeshPhysicalMaterial:null}extendMaterialParams(t,a){const r=this.parser.json.materials[t];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=r.extensions[this.name];return a.dispersion=void 0!==i.dispersion?i.dispersion:0,Promise.resolve()}}class GLTFMaterialsIridescenceExtension{constructor(t){this.parser=t,this.name=h.KHR_MATERIALS_IRIDESCENCE}getMaterialType(a){const r=this.parser.json.materials[a];return r.extensions&&r.extensions[this.name]?t.MeshPhysicalMaterial:null}extendMaterialParams(t,a){const r=this.parser,i=r.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const o=[],A=i.extensions[this.name];return void 0!==A.iridescenceFactor&&(a.iridescence=A.iridescenceFactor),void 0!==A.iridescenceTexture&&o.push(r.assignTexture(a,"iridescenceMap",A.iridescenceTexture)),void 0!==A.iridescenceIor&&(a.iridescenceIOR=A.iridescenceIor),void 0===a.iridescenceThicknessRange&&(a.iridescenceThicknessRange=[100,400]),void 0!==A.iridescenceThicknessMinimum&&(a.iridescenceThicknessRange[0]=A.iridescenceThicknessMinimum),void 0!==A.iridescenceThicknessMaximum&&(a.iridescenceThicknessRange[1]=A.iridescenceThicknessMaximum),void 0!==A.iridescenceThicknessTexture&&o.push(r.assignTexture(a,"iridescenceThicknessMap",A.iridescenceThicknessTexture)),Promise.all(o)}}class GLTFMaterialsSheenExtension{constructor(t){this.parser=t,this.name=h.KHR_MATERIALS_SHEEN}getMaterialType(a){const r=this.parser.json.materials[a];return r.extensions&&r.extensions[this.name]?t.MeshPhysicalMaterial:null}extendMaterialParams(a,r){const i=this.parser,o=i.json.materials[a];if(!o.extensions||!o.extensions[this.name])return Promise.resolve();const A=[];r.sheenColor=new t.Color(0,0,0),r.sheenRoughness=0,r.sheen=1;const c=o.extensions[this.name];if(void 0!==c.sheenColorFactor){const a=c.sheenColorFactor;r.sheenColor.setRGB(a[0],a[1],a[2],t.LinearSRGBColorSpace)}return void 0!==c.sheenRoughnessFactor&&(r.sheenRoughness=c.sheenRoughnessFactor),void 0!==c.sheenColorTexture&&A.push(i.assignTexture(r,"sheenColorMap",c.shee