var Oe=Object.defineProperty,Ge=Object.defineProperties;var Fe=Object.getOwnPropertyDescriptors;var oe=Object.getOwnPropertySymbols;var Qe=Object.prototype.hasOwnProperty,Pe=Object.prototype.propertyIsEnumerable;var ae=(d,t,e)=>t in d?Oe(d,t,{enumerable:!0,configurable:!0,writable:!0,value:e}):d[t]=e,ce=(d,t)=>{for(var e in t||(t={}))Qe.call(t,e)&&ae(d,e,t[e]);if(oe)for(var e of oe(t))Pe.call(t,e)&&ae(d,e,t[e]);return d},le=(d,t)=>Ge(d,Fe(t));import{ao as He,ap as te,aq as Ie,z as Ae,w as O,ar as ie,as as H,p as V,C as M,at as y,au as ve,f as Ke,d as je,a as P,S as N,av as S,a6 as ye,a7 as Y,V as U,aw as Ve,ax as Ye,O as Se,ay as Be,az as Xe,aA as Je,v as be,aB as ke,R as se,m as We,aC as J,L as qe,h as Le,D as ze,aD as _e,aE as Ze,b as $e,aF as et,H as tt,E as st,a5 as nt,G as W,_ as rt,am as At,Z as it,aG as ot,aH as at,aI as ct,aJ as Me,aK as ue,a8 as De,N as lt,aL as ut,aM as dt,aN as ft,u as ht,aO as pt,aP as gt,aQ as mt,ad as Tt,aR as de,aS as fe,aT as he,aU as pe,aa as Et,af as Rt,aV as wt,aW as Ct}from"./screen2Standard-f38b9a2d-1785726778446.js";import{f as ge}from"./townshipBoundaries-8867fad4-1785726778446.js";import{g as xt,o as v,c as K,a as q,F as It,y as yt,n as z,K as St,t as me,j as Bt}from"./index-1785726778446.js";class bt{constructor(){this.events=new Map}on(t,e){let r=this.events.get(t);r||(r=new Set,this.events.set(t,r)),r.add(e)}off(t,e){const r=this.events.get(t);r&&(e?r.delete(e):this.events.delete(t))}emit(t,...e){const r=this.events.get(t);r&&r.forEach(s=>{s(...e)})}once(t,e){const r=(...s)=>{e(...s),this.off(t,r)};this.on(t,r)}}function Rs(d,t=!1){const e=d[0].index!==null,r=new Set(Object.keys(d[0].attributes)),s=new Set(Object.keys(d[0].morphAttributes)),A={},n={},o=d[0].morphTargetsRelative,i=new Ae;let a=0;for(let c=0;c<d.length;++c){const l=d[c];let u=0;if(e!==(l.index!==null))return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+". All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them."),null;for(const f in l.attributes){if(!r.has(f))return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+'. All geometries must have compatible attributes; make sure "'+f+'" attribute exists among all geometries, or in none of them.'),null;A[f]===void 0&&(A[f]=[]),A[f].push(l.attributes[f]),u++}if(u!==r.size)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+". Make sure all geometries have the same number of attributes."),null;if(o!==l.morphTargetsRelative)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+". .morphTargetsRelative must be consistent throughout all geometries."),null;for(const f in l.morphAttributes){if(!s.has(f))return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+".  .morphAttributes must be consistent throughout all geometries."),null;n[f]===void 0&&(n[f]=[]),n[f].push(l.morphAttributes[f])}if(t){let f;if(e)f=l.index.count;else if(l.attributes.position!==void 0)f=l.attributes.position.count;else return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index "+c+". The geometry must have either an index or a position attribute"),null;i.addGroup(a,f,c),a+=f}}if(e){let c=0;const l=[];for(let u=0;u<d.length;++u){const f=d[u].index;for(let h=0;h<f.count;++h)l.push(f.getX(h)+c);c+=d[u].attributes.position.count}i.setIndex(l)}for(const c in A){const l=Te(A[c]);if(!l)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the "+c+" attribute."),null;i.setAttribute(c,l)}for(const c in n){const l=n[c][0].length;if(l===0)break;i.morphAttributes=i.morphAttributes||{},i.morphAttributes[c]=[];for(let u=0;u<l;++u){const f=[];for(let g=0;g<n[c].length;++g)f.push(n[c][g][u]);const h=Te(f);if(!h)return console.error("THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the "+c+" morphAttribute."),null;i.morphAttributes[c].push(h)}}return i}function Te(d){let t,e,r,s=-1,A=0;for(let a=0;a<d.length;++a){const c=d[a];if(t===void 0&&(t=c.array.constructor),t!==c.array.constructor)return console.error("THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes."),null;if(e===void 0&&(e=c.itemSize),e!==c.itemSize)return console.error("THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes."),null;if(r===void 0&&(r=c.normalized),r!==c.normalized)return console.error("THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes."),null;if(s===-1&&(s=c.gpuType),s!==c.gpuType)return console.error("THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.gpuType must be consistent across matching attributes."),null;A+=c.count*e}const n=new t(A),o=new O(n,e,r);let i=0;for(let a=0;a<d.length;++a){const c=d[a];if(c.isInterleavedBufferAttribute){const l=i/e;for(let u=0,f=c.count;u<f;u++)for(let h=0;h<e;h++){const g=c.getComponent(u,h);o.setComponent(u+l,h,g)}}else n.set(c.array,i);i+=c.count*e}return s!==void 0&&(o.gpuType=s),o}function Ee(d,t){if(t===He)return console.warn("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles."),d;if(t===te||t===Ie){let e=d.getIndex();if(e===null){const n=[],o=d.getAttribute("position");if(o!==void 0){for(let i=0;i<o.count;i++)n.push(i);d.setIndex(n),e=d.getIndex()}else return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),d}const r=e.count-2,s=[];if(t===te)for(let n=1;n<=r;n++)s.push(e.getX(0)),s.push(e.getX(n)),s.push(e.getX(n+1));else for(let n=0;n<r;n++)n%2===0?(s.push(e.getX(n)),s.push(e.getX(n+1)),s.push(e.getX(n+2))):(s.push(e.getX(n+2)),s.push(e.getX(n+1)),s.push(e.getX(n)));s.length/3!==r&&console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const A=d.clone();return A.setIndex(s),A.clearGroups(),A}else return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:",t),d}class kt extends ie{constructor(t){super(t),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register(function(e){return new Ut(e)}),this.register(function(e){return new jt(e)}),this.register(function(e){return new Vt(e)}),this.register(function(e){return new Yt(e)}),this.register(function(e){return new Gt(e)}),this.register(function(e){return new Ft(e)}),this.register(function(e){return new Qt(e)}),this.register(function(e){return new Pt(e)}),this.register(function(e){return new Nt(e)}),this.register(function(e){return new Ht(e)}),this.register(function(e){return new Ot(e)}),this.register(function(e){return new Kt(e)}),this.register(function(e){return new vt(e)}),this.register(function(e){return new Mt(e)}),this.register(function(e){return new Xt(e)}),this.register(function(e){return new Jt(e)})}load(t,e,r,s){const A=this;let n;if(this.resourcePath!=="")n=this.resourcePath;else if(this.path!==""){const a=H.extractUrlBase(t);n=H.resolveURL(a,this.path)}else n=H.extractUrlBase(t);this.manager.itemStart(t);const o=function(a){s?s(a):console.error(a),A.manager.itemError(t),A.manager.itemEnd(t)},i=new V(this.manager);i.setPath(this.path),i.setResponseType("arraybuffer"),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(t,function(a){try{A.parse(a,n,function(c){e(c),A.manager.itemEnd(t)},o)}catch(c){o(c)}},r,o)}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 this.pluginCallbacks.indexOf(t)===-1&&this.pluginCallbacks.push(t),this}unregister(t){return this.pluginCallbacks.indexOf(t)!==-1&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,r,s){let A;const n={},o={},i=new TextDecoder;if(typeof t=="string")A=JSON.parse(t);else if(t instanceof ArrayBuffer)if(i.decode(new Uint8Array(t,0,4))===Ne){try{n[T.KHR_BINARY_GLTF]=new Wt(t)}catch(l){s&&s(l);return}A=JSON.parse(n[T.KHR_BINARY_GLTF].content)}else A=JSON.parse(i.decode(t));else A=t;if(A.asset===void 0||A.asset.version[0]<2){s&&s(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported."));return}const a=new os(A,{path:e||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});a.fileLoader.setRequestHeader(this.requestHeader);for(let c=0;c<this.pluginCallbacks.length;c++){const l=this.pluginCallbacks[c](a);l.name||console.error("THREE.GLTFLoader: Invalid plugin found: missing name"),o[l.name]=l,n[l.name]=!0}if(A.extensionsUsed)for(let c=0;c<A.extensionsUsed.length;++c){const l=A.extensionsUsed[c],u=A.extensionsRequired||[];switch(l){case T.KHR_MATERIALS_UNLIT:n[l]=new Dt;break;case T.KHR_DRACO_MESH_COMPRESSION:n[l]=new qt(A,this.dracoLoader);break;case T.KHR_TEXTURE_TRANSFORM:n[l]=new zt;break;case T.KHR_MESH_QUANTIZATION:n[l]=new _t;break;default:u.indexOf(l)>=0&&o[l]===void 0&&console.warn('THREE.GLTFLoader: Unknown extension "'+l+'".')}}a.setExtensions(n),a.setPlugins(o),a.parse(r,s)}parseAsync(t,e){const r=this;return new Promise(function(s,A){r.parse(t,e,s,A)})}}function Lt(){let d={};return{get:function(t){return d[t]},add:function(t,e){d[t]=e},remove:function(t){delete d[t]},removeAll:function(){d={}}}}const T={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_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 Mt{constructor(t){this.parser=t,this.name=T.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const t=this.parser,e=this.parser.json.nodes||[];for(let r=0,s=e.length;r<s;r++){const A=e[r];A.extensions&&A.extensions[this.name]&&A.extensions[this.name].light!==void 0&&t._addNodeRef(this.cache,A.extensions[this.name].light)}}_loadLight(t){const e=this.parser,r="light:"+t;let s=e.cache.get(r);if(s)return s;const A=e.json,i=((A.extensions&&A.extensions[this.name]||{}).lights||[])[t];let a;const c=new M(16777215);i.color!==void 0&&c.setRGB(i.color[0],i.color[1],i.color[2],y);const l=i.range!==void 0?i.range:0;switch(i.type){case"directional":a=new je(c),a.target.position.set(0,0,-1),a.add(a.target);break;case"point":a=new Ke(c),a.distance=l;break;case"spot":a=new ve(c),a.distance=l,i.spot=i.spot||{},i.spot.innerConeAngle=i.spot.innerConeAngle!==void 0?i.spot.innerConeAngle:0,i.spot.outerConeAngle=i.spot.outerConeAngle!==void 0?i.spot.outerConeAngle:Math.PI/4,a.angle=i.spot.outerConeAngle,a.penumbra=1-i.spot.innerConeAngle/i.spot.outerConeAngle,a.target.position.set(0,0,-1),a.add(a.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+i.type)}return a.position.set(0,0,0),a.decay=2,L(a,i),i.intensity!==void 0&&(a.intensity=i.intensity),a.name=e.createUniqueName(i.name||"light_"+t),s=Promise.resolve(a),e.cache.add(r,s),s}getDependency(t,e){if(t==="light")return this._loadLight(e)}createNodeAttachment(t){const e=this,r=this.parser,A=r.json.nodes[t],o=(A.extensions&&A.extensions[this.name]||{}).light;return o===void 0?null:this._loadLight(o).then(function(i){return r._getNodeRef(e.cache,o,i)})}}class Dt{constructor(){this.name=T.KHR_MATERIALS_UNLIT}getMaterialType(){return P}extendParams(t,e,r){const s=[];t.color=new M(1,1,1),t.opacity=1;const A=e.pbrMetallicRoughness;if(A){if(Array.isArray(A.baseColorFactor)){const n=A.baseColorFactor;t.color.setRGB(n[0],n[1],n[2],y),t.opacity=n[3]}A.baseColorTexture!==void 0&&s.push(r.assignTexture(t,"map",A.baseColorTexture,N))}return Promise.all(s)}}class Nt{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(t,e){const s=this.parser.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=s.extensions[this.name].emissiveStrength;return A!==void 0&&(e.emissiveIntensity=A),Promise.resolve()}}class Ut{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_CLEARCOAT}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];if(n.clearcoatFactor!==void 0&&(e.clearcoat=n.clearcoatFactor),n.clearcoatTexture!==void 0&&A.push(r.assignTexture(e,"clearcoatMap",n.clearcoatTexture)),n.clearcoatRoughnessFactor!==void 0&&(e.clearcoatRoughness=n.clearcoatRoughnessFactor),n.clearcoatRoughnessTexture!==void 0&&A.push(r.assignTexture(e,"clearcoatRoughnessMap",n.clearcoatRoughnessTexture)),n.clearcoatNormalTexture!==void 0&&(A.push(r.assignTexture(e,"clearcoatNormalMap",n.clearcoatNormalTexture)),n.clearcoatNormalTexture.scale!==void 0)){const o=n.clearcoatNormalTexture.scale;e.clearcoatNormalScale=new ye(o,o)}return Promise.all(A)}}class Ot{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_IRIDESCENCE}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];return n.iridescenceFactor!==void 0&&(e.iridescence=n.iridescenceFactor),n.iridescenceTexture!==void 0&&A.push(r.assignTexture(e,"iridescenceMap",n.iridescenceTexture)),n.iridescenceIor!==void 0&&(e.iridescenceIOR=n.iridescenceIor),e.iridescenceThicknessRange===void 0&&(e.iridescenceThicknessRange=[100,400]),n.iridescenceThicknessMinimum!==void 0&&(e.iridescenceThicknessRange[0]=n.iridescenceThicknessMinimum),n.iridescenceThicknessMaximum!==void 0&&(e.iridescenceThicknessRange[1]=n.iridescenceThicknessMaximum),n.iridescenceThicknessTexture!==void 0&&A.push(r.assignTexture(e,"iridescenceThicknessMap",n.iridescenceThicknessTexture)),Promise.all(A)}}class Gt{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_SHEEN}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[];e.sheenColor=new M(0,0,0),e.sheenRoughness=0,e.sheen=1;const n=s.extensions[this.name];if(n.sheenColorFactor!==void 0){const o=n.sheenColorFactor;e.sheenColor.setRGB(o[0],o[1],o[2],y)}return n.sheenRoughnessFactor!==void 0&&(e.sheenRoughness=n.sheenRoughnessFactor),n.sheenColorTexture!==void 0&&A.push(r.assignTexture(e,"sheenColorMap",n.sheenColorTexture,N)),n.sheenRoughnessTexture!==void 0&&A.push(r.assignTexture(e,"sheenRoughnessMap",n.sheenRoughnessTexture)),Promise.all(A)}}class Ft{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_TRANSMISSION}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];return n.transmissionFactor!==void 0&&(e.transmission=n.transmissionFactor),n.transmissionTexture!==void 0&&A.push(r.assignTexture(e,"transmissionMap",n.transmissionTexture)),Promise.all(A)}}class Qt{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_VOLUME}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];e.thickness=n.thicknessFactor!==void 0?n.thicknessFactor:0,n.thicknessTexture!==void 0&&A.push(r.assignTexture(e,"thicknessMap",n.thicknessTexture)),e.attenuationDistance=n.attenuationDistance||1/0;const o=n.attenuationColor||[1,1,1];return e.attenuationColor=new M().setRGB(o[0],o[1],o[2],y),Promise.all(A)}}class Pt{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_IOR}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const s=this.parser.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=s.extensions[this.name];return e.ior=A.ior!==void 0?A.ior:1.5,Promise.resolve()}}class Ht{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_SPECULAR}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];e.specularIntensity=n.specularFactor!==void 0?n.specularFactor:1,n.specularTexture!==void 0&&A.push(r.assignTexture(e,"specularIntensityMap",n.specularTexture));const o=n.specularColorFactor||[1,1,1];return e.specularColor=new M().setRGB(o[0],o[1],o[2],y),n.specularColorTexture!==void 0&&A.push(r.assignTexture(e,"specularColorMap",n.specularColorTexture,N)),Promise.all(A)}}class vt{constructor(t){this.parser=t,this.name=T.EXT_MATERIALS_BUMP}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];return e.bumpScale=n.bumpFactor!==void 0?n.bumpFactor:1,n.bumpTexture!==void 0&&A.push(r.assignTexture(e,"bumpMap",n.bumpTexture)),Promise.all(A)}}class Kt{constructor(t){this.parser=t,this.name=T.KHR_MATERIALS_ANISOTROPY}getMaterialType(t){const r=this.parser.json.materials[t];return!r.extensions||!r.extensions[this.name]?null:S}extendMaterialParams(t,e){const r=this.parser,s=r.json.materials[t];if(!s.extensions||!s.extensions[this.name])return Promise.resolve();const A=[],n=s.extensions[this.name];return n.anisotropyStrength!==void 0&&(e.anisotropy=n.anisotropyStrength),n.anisotropyRotation!==void 0&&(e.anisotropyRotation=n.anisotropyRotation),n.anisotropyTexture!==void 0&&A.push(r.assignTexture(e,"anisotropyMap",n.anisotropyTexture)),Promise.all(A)}}class jt{constructor(t){this.parser=t,this.name=T.KHR_TEXTURE_BASISU}loadTexture(t){const e=this.parser,r=e.json,s=r.textures[t];if(!s.extensions||!s.extensions[this.name])return null;const A=s.extensions[this.name],n=e.options.ktx2Loader;if(!n){if(r.extensionsRequired&&r.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return e.loadTextureImage(t,A.source,n)}}class Vt{constructor(t){this.parser=t,this.name=T.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(t){const e=this.name,r=this.parser,s=r.json,A=s.textures[t];if(!A.extensions||!A.extensions[e])return null;const n=A.extensions[e],o=s.images[n.source];let i=r.textureLoader;if(o.uri){const a=r.options.manager.getHandler(o.uri);a!==null&&(i=a)}return this.detectSupport().then(function(a){if(a)return r.loadTextureImage(t,n.source,i);if(s.extensionsRequired&&s.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return r.loadTexture(t)})}detectSupport(){return this.isSupported||(this.isSupported=new Promise(function(t){const e=new Image;e.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",e.onload=e.onerror=function(){t(e.height===1)}})),this.isSupported}}class Yt{constructor(t){this.parser=t,this.name=T.EXT_TEXTURE_AVIF,this.isSupported=null}loadTexture(t){const e=this.name,r=this.parser,s=r.json,A=s.textures[t];if(!A.extensions||!A.extensions[e])return null;const n=A.extensions[e],o=s.images[n.source];let i=r.textureLoader;if(o.uri){const a=r.options.manager.getHandler(o.uri);a!==null&&(i=a)}return this.detectSupport().then(function(a){if(a)return r.loadTextureImage(t,n.source,i);if(s.extensionsRequired&&s.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: AVIF required by asset but unsupported.");return r.loadTexture(t)})}detectSupport(){return this.isSupported||(this.isSupported=new Promise(function(t){const e=new Image;e.src="data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAEAAAABAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQAMAAAAABNjb2xybmNseAACAAIABoAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAAB9tZGF0EgAKCBgABogQEDQgMgkQAAAAB8dSLfI=",e.onload=e.onerror=function(){t(e.height===1)}})),this.isSupported}}class Xt{constructor(t){this.name=T.EXT_MESHOPT_COMPRESSION,this.parser=t}loadBufferView(t){const e=this.parser.json,r=e.bufferViews[t];if(r.extensions&&r.extensions[this.name]){const s=r.extensions[this.name],A=this.parser.getDependency("buffer",s.buffer),n=this.parser.options.meshoptDecoder;if(!n||!n.supported){if(e.extensionsRequired&&e.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return A.then(function(o){const i=s.byteOffset||0,a=s.byteLength||0,c=s.count,l=s.byteStride,u=new Uint8Array(o,i,a);return n.decodeGltfBufferAsync?n.decodeGltfBufferAsync(c,l,u,s.mode,s.filter).then(function(f){return f.buffer}):n.ready.then(function(){const f=new ArrayBuffer(c*l);return n.decodeGltfBuffer(new Uint8Array(f),c,l,u,s.mode,s.filter),f})})}else return null}}class Jt{constructor(t){this.name=T.EXT_MESH_GPU_INSTANCING,this.parser=t}createNodeMesh(t){const e=this.parser.json,r=e.nodes[t];if(!r.extensions||!r.extensions[this.name]||r.mesh===void 0)return null;const s=e.meshes[r.mesh];for(const a of s.primitives)if(a.mode!==C.TRIANGLES&&a.mode!==C.TRIANGLE_STRIP&&a.mode!==C.TRIANGLE_FAN&&a.mode!==void 0)return null;const n=r.extensions[this.name].attributes,o=[],i={};for(const a in n)o.push(this.parser.getDependency("accessor",n[a]).then(c=>(i[a]=c,i[a])));return o.length<1?null:(o.push(this.parser.createNodeMesh(t)),Promise.all(o).then(a=>{const c=a.pop(),l=c.isGroup?c.children:[c],u=a[0].count,f=[];for(const h of l){const g=new Y,p=new U,m=new De,E=new U(1,1,1),w=new Ve(h.geometry,h.material,u);for(let R=0;R<u;R++)i.TRANSLATION&&p.fromBufferAttribute(i.TRANSLATION,R),i.ROTATION&&m.fromBufferAttribute(i.ROTATION,R),i.SCALE&&E.fromBufferAttribute(i.SCALE,R),w.setMatrixAt(R,g.compose(p,m,E));for(const R in i)if(R==="_COLOR_0"){const I=i[R];w.instanceColor=new Ye(I.array,I.itemSize,I.normalized)}else R!=="TRANSLATION"&&R!=="ROTATION"&&R!=="SCALE"&&h.geometry.setAttribute(R,i[R]);Se.prototype.copy.call(w,h),this.parser.assignFinalMaterial(w),f.push(w)}return c.isGroup?(c.clear(),c.add(...f),c):f[0]}))}}const Ne="glTF",Q=12,Re={JSON:1313821514,BIN:5130562};class Wt{constructor(t){this.name=T.KHR_BINARY_GLTF,this.content=null,this.body=null;const e=new DataView(t,0,Q),r=new TextDecoder;if(this.header={magic:r.decode(new Uint8Array(t.slice(0,4))),version:e.getUint32(4,!0),length:e.getUint32(8,!0)},this.header.magic!==Ne)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const s=this.header.length-Q,A=new DataView(t,Q);let n=0;for(;n<s;){const o=A.getUint32(n,!0);n+=4;const i=A.getUint32(n,!0);if(n+=4,i===Re.JSON){const a=new Uint8Array(t,Q+n,o);this.content=r.decode(a)}else if(i===Re.BIN){const a=Q+n;this.body=t.slice(a,a+o)}n+=o}if(this.content===null)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class qt{constructor(t,e){if(!e)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=T.KHR_DRACO_MESH_COMPRESSION,this.json=t,this.dracoLoader=e,this.dracoLoader.preload()}decodePrimitive(t,e){const r=this.json,s=this.dracoLoader,A=t.extensions[this.name].bufferView,n=t.extensions[this.name].attributes,o={},i={},a={};for(const c in n){const l=ne[c]||c.toLowerCase();o[l]=n[c]}for(const c in t.attributes){const l=ne[c]||c.toLowerCase();if(n[c]!==void 0){const u=r.accessors[t.attributes[c]],f=G[u.componentType];a[l]=f.name,i[l]=u.normalized===!0}}return e.getDependency("bufferView",A).then(function(c){return new Promise(function(l,u){s.decodeDracoFile(c,function(f){for(const h in f.attributes){const g=f.attributes[h],p=i[h];p!==void 0&&(g.normalized=p)}l(f)},o,a,y,u)})})}}class zt{constructor(){this.name=T.KHR_TEXTURE_TRANSFORM}extendTexture(t,e){return(e.texCoord===void 0||e.texCoord===t.channel)&&e.offset===void 0&&e.rotation===void 0&&e.scale===void 0||(t=t.clone(),e.texCoord!==void 0&&(t.channel=e.texCoord),e.offset!==void 0&&t.offset.fromArray(e.offset),e.rotation!==void 0&&(t.rotation=e.rotation),e.scale!==void 0&&t.repeat.fromArray(e.scale),t.needsUpdate=!0),t}}class _t{constructor(){this.name=T.KHR_MESH_QUANTIZATION}}class Ue extends wt{constructor(t,e,r,s){super(t,e,r,s)}copySampleValue_(t){const e=this.resultBuffer,r=this.sampleValues,s=this.valueSize,A=t*s*3+s;for(let n=0;n!==s;n++)e[n]=r[A+n];return e}interpolate_(t,e,r,s){const A=this.resultBuffer,n=this.sampleValues,o=this.valueSize,i=o*2,a=o*3,c=s-e,l=(r-e)/c,u=l*l,f=u*l,h=t*a,g=h-a,p=-2*f+3*u,m=f-u,E=1-p,w=m-u+l;for(let R=0;R!==o;R++){const I=n[g+R+o],B=n[g+R+i]*c,x=n[h+R+o],F=n[h+R]*c;A[R]=E*I+w*B+p*x+m*F}return A}}const Zt=new De;class $t extends Ue{interpolate_(t,e,r,s){const A=super.interpolate_(t,e,r,s);return Zt.fromArray(A).normalize().toArray(A),A}}const C={FLOAT:5126,FLOAT_MAT3:35675,FLOAT_MAT4:35676,FLOAT_VEC2:35664,FLOAT_VEC3:35665,FLOAT_VEC4:35666,LINEAR:9729,REPEAT:10497,SAMPLER_2D:35678,POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6,UNSIGNED_BYTE:5121,UNSIGNED_SHORT:5123},G={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},we={9728:lt,9729:be,9984:ut,9985:dt,9986:ft,9987:ke},Ce={33071:ht,33648:pt,10497:se},_={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},ne={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv1",TEXCOORD_2:"uv2",TEXCOORD_3:"uv3",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},k={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},es={CUBICSPLINE:void 0,LINEAR:Me,STEP:gt},Z={OPAQUE:"OPAQUE",MASK:"MASK",BLEND:"BLEND"};function ts(d){return d.DefaultMaterial===void 0&&(d.DefaultMaterial=new Le({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:mt})),d.DefaultMaterial}function D(d,t,e){for(const r in e.extensions)d[r]===void 0&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[r]=e.extensions[r])}function L(d,t){t.extras!==void 0&&(typeof t.extras=="object"?Object.assign(d.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function ss(d,t,e){let r=!1,s=!1,A=!1;for(let a=0,c=t.length;a<c;a++){const l=t[a];if(l.POSITION!==void 0&&(r=!0),l.NORMAL!==void 0&&(s=!0),l.COLOR_0!==void 0&&(A=!0),r&&s&&A)break}if(!r&&!s&&!A)return Promise.resolve(d);const n=[],o=[],i=[];for(let a=0,c=t.length;a<c;a++){const l=t[a];if(r){const u=l.POSITION!==void 0?e.getDependency("accessor",l.POSITION):d.attributes.position;n.push(u)}if(s){const u=l.NORMAL!==void 0?e.getDependency("accessor",l.NORMAL):d.attributes.normal;o.push(u)}if(A){const u=l.COLOR_0!==void 0?e.getDependency("accessor",l.COLOR_0):d.attributes.color;i.push(u)}}return Promise.all([Promise.all(n),Promise.all(o),Promise.all(i)]).then(function(a){const c=a[0],l=a[1],u=a[2];return r&&(d.morphAttributes.position=c),s&&(d.morphAttributes.normal=l),A&&(d.morphAttributes.color=u),d.morphTargetsRelative=!0,d})}function ns(d,t){if(d.updateMorphTargets(),t.weights!==void 0)for(let e=0,r=t.weights.length;e<r;e++)d.morphTargetInfluences[e]=t.weights[e];if(t.extras&&Array.isArray(t.extras.targetNames)){const e=t.extras.targetNames;if(d.morphTargetInfluences.length===e.length){d.morphTargetDictionary={};for(let r=0,s=e.length;r<s;r++)d.morphTargetDictionary[e[r]]=r}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function rs(d){let t;const e=d.extensions&&d.extensions[T.KHR_DRACO_MESH_COMPRESSION];if(e?t="draco:"+e.bufferView+":"+e.indices+":"+$(e.attributes):t=d.indices+":"+$(d.attributes)+":"+d.mode,d.targets!==void 0)for(let r=0,s=d.targets.length;r<s;r++)t+=":"+$(d.targets[r]);return t}function $(d){let t="";const e=Object.keys(d).sort();for(let r=0,s=e.length;r<s;r++)t+=e[r]+":"+d[e[r]]+";";return t}function re(d){switch(d){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}function As(d){return d.search(/\.jpe?g($|\?)/i)>0||d.search(/^data\:image\/jpeg/)===0?"image/jpeg":d.search(/\.webp($|\?)/i)>0||d.search(/^data\:image\/webp/)===0?"image/webp":"image/png"}const is=new Y;class os{constructor(t={},e={}){this.json=t,this.extensions={},this.plugins={},this.options=e,this.cache=new Lt,this.associations=new Map,this.primitiveCache={},this.nodeCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};let r=!1,s=!1,A=-1;typeof navigator!="undefined"&&(r=/^((?!chrome|android).)*safari/i.test(navigator.userAgent)===!0,s=navigator.userAgent.indexOf("Firefox")>-1,A=s?navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1]:-1),typeof createImageBitmap=="undefined"||r||s&&A<98?this.textureLoader=new Be(this.options.manager):this.textureLoader=new Xe(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new V(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),this.options.crossOrigin==="use-credentials"&&this.fileLoader.setWithCredentials(!0)}setExtensions(t){this.extensions=t}setPlugins(t){this.plugins=t}parse(t,e){const r=this,s=this.json,A=this.extensions;this.cache.removeAll(),this.nodeCache={},this._invokeAll(function(n){return n._markDefs&&n._markDefs()}),Promise.all(this._invokeAll(function(n){return n.beforeRoot&&n.beforeRoot()})).then(function(){return Promise.all([r.getDependencies("scene"),r.getDependencies("animation"),r.getDependencies("camera")])}).then(function(n){const o={scene:n[0][s.scene||0],scenes:n[0],animations:n[1],cameras:n[2],asset:s.asset,parser:r,userData:{}};return D(A,o,s),L(o,s),Promise.all(r._invokeAll(function(i){return i.afterRoot&&i.afterRoot(o)})).then(function(){t(o)})}).catch(e)}_markDefs(){const t=this.json.nodes||[],e=this.json.skins||[],r=this.json.meshes||[];for(let s=0,A=e.length;s<A;s++){const n=e[s].joints;for(let o=0,i=n.length;o<i;o++)t[n[o]].isBone=!0}for(let s=0,A=t.length;s<A;s++){const n=t[s];n.mesh!==void 0&&(this._addNodeRef(this.meshCache,n.mesh),n.skin!==void 0&&(r[n.mesh].isSkinnedMesh=!0)),n.camera!==void 0&&this._addNodeRef(this.cameraCache,n.camera)}}_addNodeRef(t,e){e!==void 0&&(t.refs[e]===void 0&&(t.refs[e]=t.uses[e]=0),t.refs[e]++)}_getNodeRef(t,e,r){if(t.refs[e]<=1)return r;const s=r.clone(),A=(n,o)=>{const i=this.associations.get(n);i!=null&&this.associations.set(o,i);for(const[a,c]of n.children.entries())A(c,o.children[a])};return A(r,s),s.name+="_instance_"+t.uses[e]++,s}_invokeOne(t){const e=Object.values(this.plugins);e.push(this);for(let r=0;r<e.length;r++){const s=t(e[r]);if(s)return s}return null}_invokeAll(t){const e=Object.values(this.plugins);e.unshift(this);const r=[];for(let s=0;s<e.length;s++){const A=t(e[s]);A&&r.push(A)}return r}getDependency(t,e){const r=t+":"+e;let s=this.cache.get(r);if(!s){switch(t){case"scene":s=this.loadScene(e);break;case"node":s=this._invokeOne(function(A){return A.loadNode&&A.loadNode(e)});break;case"mesh":s=this._invokeOne(function(A){return A.loadMesh&&A.loadMesh(e)});break;case"accessor":s=this.loadAccessor(e);break;case"bufferView":s=this._invokeOne(function(A){return A.loadBufferView&&A.loadBufferView(e)});break;case"buffer":s=this.loadBuffer(e);break;case"material":s=this._invokeOne(function(A){return A.loadMaterial&&A.loadMaterial(e)});break;case"texture":s=this._invokeOne(function(A){return A.loadTexture&&A.loadTexture(e)});break;case"skin":s=this.loadSkin(e);break;case"animation":s=this._invokeOne(function(A){return A.loadAnimation&&A.loadAnimation(e)});break;case"camera":s=this.loadCamera(e);break;default:if(s=this._invokeOne(function(A){return A!=this&&A.getDependency&&A.getDependency(t,e)}),!s)throw new Error("Unknown type: "+t);break}this.cache.add(r,s)}return s}getDependencies(t){let e=this.cache.get(t);if(!e){const r=this,s=this.json[t+(t==="mesh"?"es":"s")]||[];e=Promise.all(s.map(function(A,n){return r.getDependency(t,n)})),this.cache.add(t,e)}return e}loadBuffer(t){const e=this.json.buffers[t],r=this.fileLoader;if(e.type&&e.type!=="arraybuffer")throw new Error("THREE.GLTFLoader: "+e.type+" buffer type is not supported.");if(e.uri===void 0&&t===0)return Promise.resolve(this.extensions[T.KHR_BINARY_GLTF].body);const s=this.options;return new Promise(function(A,n){r.load(H.resolveURL(e.uri,s.path),A,void 0,function(){n(new Error('THREE.GLTFLoader: Failed to load buffer "'+e.uri+'".'))})})}loadBufferView(t){const e=this.json.bufferViews[t];return this.getDependency("buffer",e.buffer).then(function(r){const s=e.byteLength||0,A=e.byteOffset||0;return r.slice(A,A+s)})}loadAccessor(t){const e=this,r=this.json,s=this.json.accessors[t];if(s.bufferView===void 0&&s.sparse===void 0){const n=_[s.type],o=G[s.componentType],i=s.normalized===!0,a=new o(s.count*n);return Promise.resolve(new O(a,n,i))}const A=[];return s.bufferView!==void 0?A.push(this.getDependency("bufferView",s.bufferView)):A.push(null),s.sparse!==void 0&&(A.push(this.getDependency("bufferView",s.sparse.indices.bufferView)),A.push(this.getDependency("bufferView",s.sparse.values.bufferView))),Promise.all(A).then(function(n){const o=n[0],i=_[s.type],a=G[s.componentType],c=a.BYTES_PER_ELEMENT,l=c*i,u=s.byteOffset||0,f=s.bufferView!==void 0?r.bufferViews[s.bufferView].byteStride:void 0,h=s.normalized===!0;let g,p;if(f&&f!==l){const m=Math.floor(u/f),E="InterleavedBuffer:"+s.bufferView+":"+s.componentType+":"+m+":"+s.count;let w=e.cache.get(E);w||(g=new a(o,m*f,s.count*f/c),w=new Je(g,f/c),e.cache.add(E,w)),p=new Tt(w,i,u%f/c,h)}else o===null?g=new a(s.count*i):g=new a(o,u,s.count*i),p=new O(g,i,h);if(s.sparse!==void 0){const m=_.SCALAR,E=G[s.sparse.indices.componentType],w=s.sparse.indices.byteOffset||0,R=s.sparse.values.byteOffset||0,I=new E(n[1],w,s.sparse.count*m),B=new a(n[2],R,s.sparse.count*i);o!==null&&(p=new O(p.array.slice(),p.itemSize,p.normalized));for(let x=0,F=I.length;x<F;x++){const b=I[x];if(p.setX(b,B[x*i]),i>=2&&p.setY(b,B[x*i+1]),i>=3&&p.setZ(b,B[x*i+2]),i>=4&&p.setW(b,B[x*i+3]),i>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return p})}loadTexture(t){const e=this.json,r=this.options,A=e.textures[t].source,n=e.images[A];let o=this.textureLoader;if(n.uri){const i=r.manager.getHandler(n.uri);i!==null&&(o=i)}return this.loadTextureImage(t,A,o)}loadTextureImage(t,e,r){const s=this,A=this.json,n=A.textures[t],o=A.images[e],i=(o.uri||o.bufferView)+":"+n.sampler;if(this.textureCache[i])return this.textureCache[i];const a=this.loadImageSource(e,r).then(function(c){c.flipY=!1,c.name=n.name||o.name||"",c.name===""&&typeof o.uri=="string"&&o.uri.startsWith("data:image/")===!1&&(c.name=o.uri);const u=(A.samplers||{})[n.sampler]||{};return c.magFilter=we[u.magFilter]||be,c.minFilter=we[u.minFilter]||ke,c.wrapS=Ce[u.wrapS]||se,c.wrapT=Ce[u.wrapT]||se,s.associations.set(c,{textures:t}),c}).catch(function(){return null});return this.textureCache[i]=a,a}loadImageSource(t,e){const r=this,s=this.json,A=this.options;if(this.sourceCache[t]!==void 0)return this.sourceCache[t].then(l=>l.clone());const n=s.images[t],o=self.URL||self.webkitURL;let i=n.uri||"",a=!1;if(n.bufferView!==void 0)i=r.getDependency("bufferView",n.bufferView).then(function(l){a=!0;const u=new Blob([l],{type:n.mimeType});return i=o.createObjectURL(u),i});else if(n.uri===void 0)throw new Error("THREE.GLTFLoader: Image "+t+" is missing URI and bufferView");const c=Promise.resolve(i).then(function(l){return new Promise(function(u,f){let h=u;e.isImageBitmapLoader===!0&&(h=function(g){const p=new de(g);p.needsUpdate=!0,u(p)}),e.load(H.resolveURL(l,A.path),h,void 0,f)})}).then(function(l){return a===!0&&o.revokeObjectURL(i),l.userData.mimeType=n.mimeType||As(n.uri),l}).catch(function(l){throw console.error("THREE.GLTFLoader: Couldn't load texture",i),l});return this.sourceCache[t]=c,c}assignTexture(t,e,r,s){const A=this;return this.getDependency("texture",r.index).then(function(n){if(!n)return null;if(r.texCoord!==void 0&&r.texCoord>0&&(n=n.clone(),n.channel=r.texCoord),A.extensions[T.KHR_TEXTURE_TRANSFORM]){const o=r.extensions!==void 0?r.extensions[T.KHR_TEXTURE_TRANSFORM]:void 0;if(o){const i=A.associations.get(n);n=A.extensions[T.KHR_TEXTURE_TRANSFORM].extendTexture(n,o),A.associations.set(n,i)}}return s!==void 0&&(n.colorSpace=s),t[e]=n,n})}assignFinalMaterial(t){const e=t.geometry;let r=t.material;const s=e.attributes.tangent===void 0,A=e.attributes.color!==void 0,n=e.attributes.normal===void 0;if(t.isPoints){const o="PointsMaterial:"+r.uuid;let i=this.cache.get(o);i||(i=new We,J.prototype.copy.call(i,r),i.color.copy(r.color),i.map=r.map,i.sizeAttenuation=!1,this.cache.add(o,i)),r=i}else if(t.isLine){const o="LineBasicMaterial:"+r.uuid;let i=this.cache.get(o);i||(i=new qe,J.prototype.copy.call(i,r),i.color.copy(r.color),i.map=r.map,this.cache.add(o,i)),r=i}if(s||A||n){let o="ClonedMaterial:"+r.uuid+":";s&&(o+="derivative-tangents:"),A&&(o+="vertex-colors:"),n&&(o+="flat-shading:");let i=this.cache.get(o);i||(i=r.clone(),A&&(i.vertexColors=!0),n&&(i.flatShading=!0),s&&(i.normalScale&&(i.normalScale.y*=-1),i.clearcoatNormalScale&&(i.clearcoatNormalScale.y*=-1)),this.cache.add(o,i),this.associations.set(i,this.associations.get(r))),r=i}t.material=r}getMaterialType(){return Le}loadMaterial(t){const e=this,r=this.json,s=this.extensions,A=r.materials[t];let n;const o={},i=A.extensions||{},a=[];if(i[T.KHR_MATERIALS_UNLIT]){const l=s[T.KHR_MATERIALS_UNLIT];n=l.getMaterialType(),a.push(l.extendParams(o,A,e))}else{const l=A.pbrMetallicRoughness||{};if(o.color=new M(1,1,1),o.opacity=1,Array.isArray(l.baseColorFactor)){const u=l.baseColorFactor;o.color.setRGB(u[0],u[1],u[2],y),o.opacity=u[3]}l.baseColorTexture!==void 0&&a.push(e.assignTexture(o,"map",l.baseColorTexture,N)),o.metalness=l.metallicFactor!==void 0?l.metallicFactor:1,o.roughness=l.roughnessFactor!==void 0?l.roughnessFactor:1,l.metallicRoughnessTexture!==void 0&&(a.push(e.assignTexture(o,"metalnessMap",l.metallicRoughnessTexture)),a.push(e.assignTexture(o,"roughnessMap",l.metallicRoughnessTexture))),n=this._invokeOne(function(u){return u.getMaterialType&&u.getMaterialType(t)}),a.push(Promise.all(this._invokeAll(function(u){return u.extendMaterialParams&&u.extendMaterialParams(t,o)})))}A.doubleSided===!0&&(o.side=ze);const c=A.alphaMode||Z.OPAQUE;if(c===Z.BLEND?(o.transparent=!0,o.depthWrite=!1):(o.transparent=!1,c===Z.MASK&&(o.alphaTest=A.alphaCutoff!==void 0?A.alphaCutoff:.5)),A.normalTexture!==void 0&&n!==P&&(a.push(e.assignTexture(o,"normalMap",A.normalTexture)),o.normalScale=new ye(1,1),A.normalTexture.scale!==void 0)){const l=A.normalTexture.scale;o.normalScale.set(l,l)}if(A.occlusionTexture!==void 0&&n!==P&&(a.push(e.assignTexture(o,"aoMap",A.occlusionTexture)),A.occlusionTexture.strength!==void 0&&(o.aoMapIntensity=A.occlusionTexture.strength)),A.emissiveFactor!==void 0&&n!==P){const l=A.emissiveFactor;o.emissive=new M().setRGB(l[0],l[1],l[2],y)}return A.emissiveTexture!==void 0&&n!==P&&a.push(e.assignTexture(o,"emissiveMap",A.emissiveTexture,N)),Promise.all(a).then(function(){const l=new n(o);return A.name&&(l.name=A.name),L(l,A),e.associations.set(l,{materials:t}),A.extensions&&D(s,l,A),l})}createUniqueName(t){const e=_e.sanitizeNodeName(t||"");return e in this.nodeNamesUsed?e+"_"+ ++this.nodeNamesUsed[e]:(this.nodeNamesUsed[e]=0,e)}loadGeometries(t){const e=this,r=this.extensions,s=this.primitiveCache;function A(o){return r[T.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(o,e).then(function(i){return xe(i,o,e)})}const n=[];for(let o=0,i=t.length;o<i;o++){const a=t[o],c=rs(a),l=s[c];if(l)n.push(l.promise);else{let u;a.extensions&&a.extensions[T.KHR_DRACO_MESH_COMPRESSION]?u=A(a):u=xe(new Ae,a,e),s[c]={primitive:a,promise:u},n.push(u)}}return Promise.all(n)}loadMesh(t){const e=this,r=this.json,s=this.extensions,A=r.meshes[t],n=A.primitives,o=[];for(let i=0,a=n.length;i<a;i++){const c=n[i].material===void 0?ts(this.cache):this.getDependency("material",n[i].material);o.push(c)}return o.push(e.loadGeometries(n)),Promise.all(o).then(function(i){const a=i.slice(0,i.length-1),c=i[i.length-1],l=[];for(let f=0,h=c.length;f<h;f++){const g=c[f],p=n[f];let m;const E=a[f];if(p.mode===C.TRIANGLES||p.mode===C.TRIANGLE_STRIP||p.mode===C.TRIANGLE_FAN||p.mode===void 0)m=A.isSkinnedMesh===!0?new Ze(g,E):new $e(g,E),m.isSkinnedMesh===!0&&m.normalizeSkinWeights(),p.mode===C.TRIANGLE_STRIP?m.geometry=Ee(m.geometry,Ie):p.mode===C.TRIANGLE_FAN&&(m.geometry=Ee(m.geometry,te));else if(p.mode===C.LINES)m=new et(g,E);else if(p.mode===C.LINE_STRIP)m=new tt(g,E);else if(p.mode===C.LINE_LOOP)m=new st(g,E);else if(p.mode===C.POINTS)m=new nt(g,E);else throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+p.mode);Object.keys(m.geometry.morphAttributes).length>0&&ns(m,A),m.name=e.createUniqueName(A.name||"mesh_"+t),L(m,A),p.extensions&&D(s,m,p),e.assignFinalMaterial(m),l.push(m)}for(let f=0,h=l.length;f<h;f++)e.associations.set(l[f],{meshes:t,primitives:f});if(l.length===1)return A.extensions&&D(s,l[0],A),l[0];const u=new W;A.extensions&&D(s,u,A),e.associations.set(u,{meshes:t});for(let f=0,h=l.length;f<h;f++)u.add(l[f]);return u})}loadCamera(t){let e;const r=this.json.cameras[t],s=r[r.type];if(!s){console.warn("THREE.GLTFLoader: Missing camera parameters.");return}return r.type==="perspective"?e=new rt(At.radToDeg(s.yfov),s.aspectRatio||1,s.znear||1,s.zfar||2e6):r.type==="orthographic"&&(e=new it(-s.xmag,s.xmag,s.ymag,-s.ymag,s.znear,s.zfar)),r.name&&(e.name=this.createUniqueName(r.name)),L(e,r),Promise.resolve(e)}loadSkin(t){const e=this.json.skins[t],r=[];for(let s=0,A=e.joints.length;s<A;s++)r.push(this._loadNodeShallow(e.joints[s]));return e.inverseBindMatrices!==void 0?r.push(this.getDependency("accessor",e.inverseBindMatrices)):r.push(null),Promise.all(r).then(function(s){const A=s.pop(),n=s,o=[],i=[];for(let a=0,c=n.length;a<c;a++){const l=n[a];if(l){o.push(l);const u=new Y;A!==null&&u.fromArray(A.array,a*16),i.push(u)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',e.joints[a])}return new ot(o,i)})}loadAnimation(t){const e=this.json,r=this,s=e.animations[t],A=s.name?s.name:"animation_"+t,n=[],o=[],i=[],a=[],c=[];for(let l=0,u=s.channels.length;l<u;l++){const f=s.channels[l],h=s.samplers[f.sampler],g=f.target,p=g.node,m=s.parameters!==void 0?s.parameters[h.input]:h.input,E=s.parameters!==void 0?s.parameters[h.output]:h.output;g.node!==void 0&&(n.push(this.getDependency("node",p)),o.push(this.getDependency("accessor",m)),i.push(this.getDependency("accessor",E)),a.push(h),c.push(g))}return Promise.all([Promise.all(n),Promise.all(o),Promise.all(i),Promise.all(a),Promise.all(c)]).then(function(l){const u=l[0],f=l[1],h=l[2],g=l[3],p=l[4],m=[];for(let E=0,w=u.length;E<w;E++){const R=u[E],I=f[E],B=h[E],x=g[E],F=p[E];if(R===void 0)continue;R.updateMatrix&&R.updateMatrix();const b=r._createAnimationTracks(R,I,B,x,F);if(b)for(let X=0;X<b.length;X++)m.push(b[X])}return new at(A,void 0,m)})}createNodeMesh(t){const e=this.json,r=this,s=e.nodes[t];return s.mesh===void 0?null:r.getDependency("mesh",s.mesh).then(function(A){const n=r._getNodeRef(r.meshCache,s.mesh,A);return s.weights!==void 0&&n.traverse(function(o){if(o.isMesh)for(let i=0,a=s.weights.length;i<a;i++)o.morphTargetInfluences[i]=s.weights[i]}),n})}loadNode(t){const e=this.json,r=this,s=e.nodes[t],A=r._loadNodeShallow(t),n=[],o=s.children||[];for(let a=0,c=o.length;a<c;a++)n.push(r.getDependency("node",o[a]));const i=s.skin===void 0?Promise.resolve(null):r.getDependency("skin",s.skin);return Promise.all([A,Promise.all(n),i]).then(function(a){const c=a[0],l=a[1],u=a[2];u!==null&&c.traverse(function(f){f.isSkinnedMesh&&f.bind(u,is)});for(let f=0,h=l.length;f<h;f++)c.add(l[f]);return c})}_loadNodeShallow(t){const e=this.json,r=this.extensions,s=this;if(this.nodeCache[t]!==void 0)return this.nodeCache[t];const A=e.nodes[t],n=A.name?s.createUniqueName(A.name):"",o=[],i=s._invokeOne(function(a){return a.createNodeMesh&&a.createNodeMesh(t)});return i&&o.push(i),A.camera!==void 0&&o.push(s.getDependency("camera",A.camera).then(function(a){return s._getNodeRef(s.cameraCache,A.camera,a)})),s._invokeAll(function(a){return a.createNodeAttachment&&a.createNodeAttachment(t)}).forEach(function(a){o.push(a)}),this.nodeCache[t]=Promise.all(o).then(function(a){let c;if(A.isBone===!0?c=new ct:a.length>1?c=new W:a.length===1?c=a[0]:c=new Se,c!==a[0])for(let l=0,u=a.length;l<u;l++)c.add(a[l]);if(A.name&&(c.userData.name=A.name,c.name=n),L(c,A),A.extensions&&D(r,c,A),A.matrix!==void 0){const l=new Y;l.fromArray(A.matrix),c.applyMatrix4(l)}else A.translation!==void 0&&c.position.fromArray(A.translation),A.rotation!==void 0&&c.quaternion.fromArray(A.rotation),A.scale!==void 0&&c.scale.fromArray(A.scale);return s.associations.has(c)||s.associations.set(c,{}),s.associations.get(c).nodes=t,c}),this.nodeCache[t]}loadScene(t){const e=this.extensions,r=this.json.scenes[t],s=this,A=new W;r.name&&(A.name=s.createUniqueName(r.name)),L(A,r),r.extensions&&D(e,A,r);const n=r.nodes||[],o=[];for(let i=0,a=n.length;i<a;i++)o.push(s.getDependency("node",n[i]));return Promise.all(o).then(function(i){for(let c=0,l=i.length;c<l;c++)A.add(i[c]);const a=c=>{const l=new Map;for(const[u,f]of s.associations)(u instanceof J||u instanceof de)&&l.set(u,f);return c.traverse(u=>{const f=s.associations.get(u);f!=null&&l.set(u,f)}),l};return s.associations=a(A),A})}_createAnimationTracks(t,e,r,s,A){const n=[],o=t.name?t.name:t.uuid,i=[];k[A.path]===k.weights?t.traverse(function(u){u.morphTargetInfluences&&i.push(u.name?u.name:u.uuid)}):i.push(o);let a;switch(k[A.path]){case k.weights:a=he;break;case k.rotation:a=pe;break;case k.position:case k.scale:a=fe;break;default:switch(r.itemSize){case 1:a=he;break;case 2:case 3:default:a=fe;break}break}const c=s.interpolation!==void 0?es[s.interpolation]:Me,l=this._getArrayFromAccessor(r);for(let u=0,f=i.length;u<f;u++){const h=new a(i[u]+"."+k[A.path],e.array,l,c);s.interpolation==="CUBICSPLINE"&&this._createCubicSplineTrackInterpolant(h),n.push(h)}return n}_getArrayFromAccessor(t){let e=t.array;if(t.normalized){const r=re(e.constructor),s=new Float32Array(e.length);for(let A=0,n=e.length;A<n;A++)s[A]=e[A]*r;e=s}return e}_createCubicSplineTrackInterpolant(t){t.createInterpolant=function(r){const s=this instanceof pe?$t:Ue;return new s(this.times,this.values,this.getValueSize()/3,r)},t.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0}}function as(d,t,e){const r=t.attributes,s=new Et;if(r.POSITION!==void 0){const o=e.json.accessors[r.POSITION],i=o.min,a=o.max;if(i!==void 0&&a!==void 0){if(s.set(new U(i[0],i[1],i[2]),new U(a[0],a[1],a[2])),o.normalized){const c=re(G[o.componentType]);s.min.multiplyScalar(c),s.max.multiplyScalar(c)}}else{console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");return}}else return;const A=t.targets;if(A!==void 0){const o=new U,i=new U;for(let a=0,c=A.length;a<c;a++){const l=A[a];if(l.POSITION!==void 0){const u=e.json.accessors[l.POSITION],f=u.min,h=u.max;if(f!==void 0&&h!==void 0){if(i.setX(Math.max(Math.abs(f[0]),Math.abs(h[0]))),i.setY(Math.max(Math.abs(f[1]),Math.abs(h[1]))),i.setZ(Math.max(Math.abs(f[2]),Math.abs(h[2]))),u.normalized){const g=re(G[u.componentType]);i.multiplyScalar(g)}o.max(i)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}s.expandByVector(o)}d.boundingBox=s;const n=new Rt;s.getCenter(n.center),n.radius=s.min.distanceTo(s.max)/2,d.boundingSphere=n}function xe(d,t,e){const r=t.attributes,s=[];function A(n,o){return e.getDependency("accessor",n).then(function(i){d.setAttribute(o,i)})}for(const n in r){const o=ne[n]||n.toLowerCase();o in d.attributes||s.push(A(r[n],o))}if(t.indices!==void 0&&!d.index){const n=e.getDependency("accessor",t.indices).then(function(o){d.setIndex(o)});s.push(n)}return ue.workingColorSpace!==y&&"COLOR_0"in r&&console.warn(`THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${ue.workingColorSpace}" not supported.`),L(d,t),as(d,t,e),Promise.all(s).then(function(){return t.targets!==void 0?ss(d,t.targets,e):d})}const ee=new WeakMap;class cs extends ie{constructor(t){super(t),this.decoderPath="",this.decoderConfig={},this.decoderBinary=null,this.decoderPending=null,this.workerLimit=4,this.workerPool=[],this.workerNextTaskID=1,this.workerSourceURL="",this.defaultAttributeIDs={position:"POSITION",normal:"NORMAL",color:"COLOR",uv:"TEX_COORD"},this.defaultAttributeTypes={position:"Float32Array",normal:"Float32Array",color:"Float32Array",uv:"Float32Array"}}setDecoderPath(t){return this.decoderPath=t,this}setDecoderConfig(t){return this.decoderConfig=t,this}setWorkerLimit(t){return this.workerLimit=t,this}load(t,e,r,s){const A=new V(this.manager);A.setPath(this.path),A.setResponseType("arraybuffer"),A.setRequestHeader(this.requestHeader),A.setWithCredentials(this.withCredentials),A.load(t,n=>{this.parse(n,e,s)},r,s)}parse(t,e,r=()=>{}){this.decodeDracoFile(t,e,null,null,N).catch(r)}decodeDracoFile(t,e,r,s,A=y,n=()=>{}){const o={attributeIDs:r||this.defaultAttributeIDs,attributeTypes:s||this.defaultAttributeTypes,useUniqueIDs:!!r,vertexColorSpace:A};return this.decodeGeometry(t,o).then(e).catch(n)}decodeGeometry(t,e){const r=JSON.stringify(e);if(ee.has(t)){const i=ee.get(t);if(i.key===r)return i.promise;if(t.byteLength===0)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let s;const A=this.workerNextTaskID++,n=t.byteLength,o=this._getWorker(A,n).then(i=>(s=i,new Promise((a,c)=>{s._callbacks[A]={resolve:a,reject:c},s.postMessage({type:"decode",id:A,taskConfig:e,buffer:t},[t])}))).then(i=>this._createGeometry(i.geometry));return o.catch(()=>!0).then(()=>{s&&A&&this._releaseTask(s,A)}),ee.set(t,{key:r,promise:o}),o}_createGeometry(t){const e=new Ae;t.index&&e.setIndex(new O(t.index.array,1));for(let r=0;r<t.attributes.length;r++){const s=t.attributes[r],A=s.name,n=s.array,o=s.itemSize,i=new O(n,o);A==="color"&&(this._assignVertexColorSpace(i,s.vertexColorSpace),i.normalized=!(n instanceof Float32Array)),e.setAttribute(A,i)}return e}_assignVertexColorSpace(t,e){if(e!==N)return;const r=new M;for(let s=0,A=t.count;s<A;s++)r.fromBufferAttribute(t,s).convertSRGBToLinear(),t.setXYZ(s,r.r,r.g,r.b)}_loadLibrary(t,e){const r=new V(this.manager);return r.setPath(this.decoderPath),r.setResponseType(e),r.setWithCredentials(this.withCredentials),new Promise((s,A)=>{r.load(t,s,void 0,A)})}preload(){return this._initDecoder(),this}_initDecoder(){if(this.decoderPending)return this.decoderPending;const t=typeof WebAssembly!="object"||this.decoderConfig.type==="js",e=[];return t?e.push(this._loadLibrary("draco_decoder.js","text")):(e.push(this._loadLibrary("draco_wasm_wrapper.js","text")),e.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(e).then(r=>{const s=r[0];t||(this.decoderConfig.wasmBinary=r[1]);const A=ls.toString(),n=["/* draco decoder */",s,"","/* worker */",A.substring(A.indexOf("{")+1,A.lastIndexOf("}"))].join(`
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t=0;t<this.workerPool.length;++t)this.workerPool[t].terminate();return this.workerPool.length=0,this.workerSourceURL!==""&&URL.revokeObjectURL(this.workerSourceURL),this}}function ls(){let d,t;onmessage=function(n){const o=n.data;switch(o.type){case"init":d=o.decoderConfig,t=new Promise(function(c){d.onModuleLoaded=function(l){c({draco:l})},DracoDecoderModule(d)});break;case"decode":const i=o.buffer,a=o.taskConfig;t.then(c=>{const l=c.draco,u=new l.Decoder;try{const f=e(l,u,new Int8Array(i),a),h=f.attributes.map(g=>g.array.buffer);f.index&&h.push(f.index.array.buffer),self.postMessage({type:"decode",id:o.id,geometry:f},h)}catch(f){console.error(f),self.postMessage({type:"error",id:o.id,error:f.message})}finally{l.destroy(u)}});break}};function e(n,o,i,a){const c=a.attributeIDs,l=a.attributeTypes;let u,f;const h=o.GetEncodedGeometryType(i);if(h===n.TRIANGULAR_MESH)u=new n.Mesh,f=o.DecodeArrayToMesh(i,i.byteLength,u);else if(h===n.POINT_CLOUD)u=new 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