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Et.startDate(t),Et.addUnit(t,e),Et.endDate(t)}};var pt=class{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRootAsDecimal(t,e){return(e||new pt).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRootAsDecimal(t,e){return t.setPosition(t.position()+4),(e||new pt).__init(t.readInt32(t.position())+t.position(),t)}precision(){let t=this.bb.__offset(this.bb_pos,4);return t?this.bb.readInt32(this.bb_pos+t):0}scale(){let t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readInt32(this.bb_pos+t):0}bitWidth(){let t=this.bb.__offset(this.bb_pos,8);return t?this.bb.readInt32(this.bb_pos+t):128}static startDecimal(t){t.startObject(3)}static addPrecision(t,e){t.addFieldInt32(0,e,0)}static addScale(t,e){t.addFieldInt32(1,e,0)}static addBitWidth(t,e){t.addFieldInt32(2,e,128)}static endDecimal(t){return t.endObject()}static createDecimal(t,e,i,n){return pt.startDecimal(t),pt.addPrecision(t,e),pt.addScale(t,i),pt.addBitWidth(t,n),pt.endDecimal(t)}};var Rt=class{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRootAsDuration(t,e){return(e||new Rt).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRootAsDuration(t,e){return t.setPosition(t.position()+4),(e||new Rt).__init(t.readInt32(t.position())+t.position(),t)}unit(){let t=this.bb.__offset(this.bb_pos,4);return t?this.bb.readInt16(this.bb_pos+t):m.MILLISECOND}static startDuration(t){t.startObject(1)}static addUnit(t,e){t.addFieldInt16(0,e,m.MILLISECOND)}static endDuration(t){return t.endObject()}static createDuration(t,e){return Rt.startDuration(t),Rt.addUnit(t,e),Rt.endDuration(t)}};var Vt=class{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRootAsFixedSizeBinary(t,e){return(e||new Vt).__init(t.readInt32(t.position())+t.position(),t)}static 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n=this.colors,s=this.object.geometry.colors;s.push(n[t+0],n[t+1],n[t+2]),s.push(n[e+0],n[e+1],n[e+2]),s.push(n[i+0],n[i+1],n[i+2])}addUV(t,e,i){let n=this.uvs,s=this.object.geometry.uvs;s.push(n[t+0],n[t+1]),s.push(n[e+0],n[e+1]),s.push(n[i+0],n[i+1])}addUVLine(t){let e=this.uvs;this.object.geometry.uvs.push(e[t+0],e[t+1])}addFace(t,e,i,n,s,o,a,c,l){let d=this.vertices.length,h=this.parseVertexIndex(t,d),f=this.parseVertexIndex(e,d),y=this.parseVertexIndex(i,d);if(this.addVertex(h,f,y),n!==void 0&&n!==""){let L=this.uvs.length;h=this.parseUVIndex(n,L),f=this.parseUVIndex(s,L),y=this.parseUVIndex(o,L),this.addUV(h,f,y)}if(a!==void 0&&a!==""){let L=this.normals.length;h=this.parseNormalIndex(a,L),f=a===c?h:this.parseNormalIndex(c,L),y=a===l?h:this.parseNormalIndex(l,L),this.addNormal(h,f,y)}this.colors.length>0&&this.addColor(h,f,y)}addPointGeometry(t){this.object.geometry.type="Points";let e=this.vertices.length;for(let i of t)this.addVertexPoint(this.parseVertexIndex(i,e))}addLineGeometry(t,e){this.object.geometry.type="Line";let i=this.vertices.length,n=this.uvs.length;for(let s of t)this.addVertexLine(this.parseVertexIndex(s,i));for(let s of e)this.addUVLine(this.parseUVIndex(s,n))}};function ml(r){let t=new ca;r.indexOf(`\r
`)!==-1&&(r=r.replace(/\r\n/g,`
`)),r.indexOf(`\\
`)!==-1&&(r=r.replace(/\\\n/g,""));let e=r.split(`
`),i="",n="",s=0,o=[],a=typeof"".trimLeft=="function";for(let d=0,h=e.length;d<h;d++)if(i=e[d],i=a?i.trimLeft():i.trim(),s=i.length,s!==0&&(n=i.charAt(0),n!=="#"))if(n==="v"){let f=i.split(/\s+/);switch(f[0]){case"v":t.vertices.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3])),f.length>=7&&t.colors.push(parseFloat(f[4]),parseFloat(f[5]),parseFloat(f[6]));break;case"vn":t.normals.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3]));break;case"vt":t.uvs.push(parseFloat(f[1]),parseFloat(f[2]));break;default:}}else if(n==="f"){let y=i.substr(1).trim().split(/\s+/),L=[];for(let Ut=0,bt=y.length;Ut<bt;Ut++){let er=y[Ut];if(er.length>0){let Oi=er.split("/");L.push(Oi)}}let ht=L[0];for(let Ut=1,bt=L.length-1;Ut<bt;Ut++){let er=L[Ut],Oi=L[Ut+1];t.addFace(ht[0],er[0],Oi[0],ht[1],er[1],Oi[1],ht[2],er[2],Oi[2])}}else if(n==="l"){let f=i.substring(1).trim().split(" "),y,L=[];if(i.indexOf("/")===-1)y=f;else{y=[];for(let ht=0,Ut=f.length;ht<Ut;ht++){let bt=f[ht].split("/");bt[0]!==""&&y.push(bt[0]),bt[1]!==""&&L.push(bt[1])}}t.addLineGeometry(y,L)}else if(n==="p"){let y=i.substr(1).trim().split(" ");t.addPointGeometry(y)}else if((o=oh.exec(i))!==null){let f=(" "+o[0].substr(1).trim()).substr(1);t.startObject(f)}else if(ch.test(i))t.object.startMaterial(i.substring(7).trim(),t.materialLibraries);else if(ah.test(i))t.materialLibraries.push(i.substring(7).trim());else if(n==="s"){if(o=i.split(" "),o.length>1){let y=o[1].trim().toLowerCase();t.object.smooth=y!=="0"&&y!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;throw new Error(`Unexpected line: "${i}"`)}t.finalize();let c=[],l=[];for(let d of t.objects){let{geometry:h}=d;if(h.vertices.length===0)continue;let f={header:{vertexCount:h.vertices.length/3},attributes:{}};switch(h.type){case"Points":f.mode=0;break;case"Line":f.mode=1;break;default:f.mode=4;break}f.attributes.POSITION={value:new Float32Array(h.vertices),size:3},h.normals.length>0&&(f.attributes.NORMAL={value:new Float32Array(h.normals),size:3}),h.colors.length>0&&(f.attributes.COLOR_0={value:new Float32Array(h.colors),size:3}),h.uvs.length>0&&(f.attributes.TEXCOORD_0={value:new Float32Array(h.uvs),size:2}),f.materials=[];for(let y of d.materials){let L={name:y.name,flatShading:!y.smooth};f.materials.push(L),l.push(L)}f.name=d.name,c.push(f)}return{meshes:c,materials:l}}function yl(r,t={}){let e={};for(let n in t)n!=="value"&&(e[n]=JSON.stringify(t[n]));let i=[];for(let n in r){let s=r[n],o=lh(n,s);i.push(o)}return{fields:i,metadata:e}}function lh(r,t){let e={};for(let s in t)s!=="value"&&(e[s]=JSON.stringify(t[s]));let{type:i}=Fi(t.value);return t.size===1||t.size===void 0||(i={type:"fixed-size-list",listSize:t.size,children:[{name:"values",type:i}]}),{name:r,type:i,nullable:!1,metadata:e}}function wn(r,t){let{meshes:e}=ml(r),i=e.reduce((a,c)=>a+c.header.vertexCount,0),n=uh(e,i),s={vertexCount:i,boundingBox:sa(n)},o=yl(n,{mode:4,boundingBox:s.boundingBox});return{loaderData:{header:{}},schema:o,header:s,mode:4,topology:"point-list",attributes:n}}function uh(r,t){let e=new Float32Array(t*3),i,n,s,o=0;for(let c of r){let{POSITION:l,NORMAL:d,COLOR_0:h,TEXCOORD_0:f}=c.attributes;e.set(l.value,o*3),d&&(i=i||new Float32Array(t*3),i.set(d.value,o*3)),h&&(n=n||new Float32Array(t*3),n.set(h.value,o*3)),f&&(s=s||new Float32Array(t*2),s.set(f.value,o*2)),o+=l.value.length/3}let a={};return a.POSITION={value:e,size:3},i&&(a.NORMAL={value:i,size:3}),n&&(a.COLOR_0={value:n,size:3}),s&&(a.TEXCOORD_0={value:s,size:2}),a}var dh="4.4.5",vn={...An,dataType:null,batchType:null,version:dh,worker:!0,testText:hh,options:{obj:{}}};function hh(r){return r[0]==="v"}var gl={...vn,parse:async(r,t)=>wn(new TextDecoder().decode(r),t),parseTextSync:(r,t)=>wn(r,t)};var bl={...vn,dataType:null,batchType:null,worker:!1,parse:async r=>{let t=new TextDecoder().decode(r),e=wn(t);return oa(e,"arrow-table")}};var Zs={name:"MTL",id:"mtl",module:"mtl",extensions:["mtl"],mimeTypes:["text/plain"]};var fh=/\s+/;function la(r,t){let e=[],i={name:"placeholder"},n=r.split(`
`);for(let s of n){if(s=s.trim(),s.length===0||s.charAt(0)==="#")continue;let o=s.indexOf(" "),a=o>=0?s.substring(0,o):s;a=a.toLowerCase();let c=o>=0?s.substring(o+1):"";switch(c=c.trim(),a){case"newmtl":i={name:c},e.push(i);break;case"ka":i.ambientColor=Xs(c);break;case"kd":i.diffuseColor=Xs(c);break;case"map_kd":i.diffuseTextureUrl=c;break;case"ks":i.specularColor=Xs(c);break;case"map_ks":i.specularTextureUrl=c;break;case"ke":i.emissiveColor=Xs(c);break;case"map_ke":i.emissiveTextureUrl=c;break;case"ns":i.shininess=parseFloat(c);break;case"map_ns":break;case"ni":i.refraction=parseFloat(c);break;case"illum":i.illumination=parseFloat(c);break;default:break}}return e}function Xs(r,t){let e=r.split(fh,3);return[parseFloat(e[0]),parseFloat(e[1]),parseFloat(e[2])]}var ph="4.4.5",ua={...Zs,dataType:null,batchType:null,version:ph,worker:!0,testText:r=>r.includes("newmtl"),options:{mtl:{}}},_l={...ua,parse:async(r,t)=>la(new TextDecoder().decode(r),t?.mtl),parseTextSync:(r,t)=>la(r,t?.mtl)};return Dl(In);})();
      return __exports__;
      });