@inweb/viewer-three/dist/plugins/loaders/IFCXLoader.min.js

JavaScript library for rendering CAD and BIM files in a browser using Three.js

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a.material.sizeAttenuation=!1,a.material.size=2,a}(e):_(s,"points::array::positions")?a=function(e){const t=new i.BufferGeometry,r=new Float32Array(e[0].attributes["points::array::positions"].flat());t.setAttribute("position",new i.Float32BufferAttribute(r,3));const n=e[0].attributes["points::array::colors"];if(n){const e=new Float32Array(n.flat());t.setAttribute("color",new i.Float32BufferAttribute(e,3))}return j(t,n)}(e):_(s,"points::base64::positions")&&(a=function(e){const t=new i.BufferGeometry,r=D(e[0].attributes["points::base64::positions"]);if(!r)return null;const n=new Float32Array(r);t.setAttribute("position",new i.Float32BufferAttribute(n,3));const s=e[0].attributes["points::base64::colors"];if(s){const e=D(s);if(e){const r=new Float32Array(e);t.setAttribute("color",new i.Float32BufferAttribute(r,3))}}return j(t,s)}(e));M[s.name]=a,S[s.name]=s,a.userData.path=s.name;for(let e of Object.entries(s.attributes||{}).filter((([e,t])=>e.startsWith("__internal_"))).map((([e,t])=>t)))(n[String(e)]=n[String(e)]||[]).push(s.name);if(t.add(a),e.length>1){a.matrixAutoUpdate=!1;let e=s.attributes&&s.attributes["usd::xformop::transform"]?s.attributes["usd::xformop::transform"].flat():null;if(e){let t=new i.Matrix4;t.set(...e),t.transpose(),a.matrix=t}}(s.children||[]).forEach((r=>T([r,...e],a||t,n)))}async function U(){if(x&&(x.children=[]),M={},S={},0===B.length)return;let e=null,t=B.map((e=>e[1]));if(e=await z(t),!e)return void console.error("No result from composition");x||(x=new i.Scene,(A=new i.PerspectiveCamera(75,window.innerWidth/window.innerHeight,.1,100)).up.set(0,0,1),A.position.set(50,50,50),A.lookAt(0,0,0),x.add(A));if(T([e],x,{}),L){const e=new i.Box3;if(e.setFromObject(x),!e.isEmpty()){let t=e.min.clone().add(e.max).multiplyScalar(.5),r=e.max.clone().sub(e.min).length();A.position.copy(t.clone().add(new i.Vector3(1,1,1).normalize().multiplyScalar(r))),A.far=3*r,A.updateProjectionMatrix(),L=!1}}}async function G(e,t){return B.push([t,e]),await U(),x}function R(){x=void 0,B.length=0,L=!0}class k extends t.Loader{load(e,r,i,n){const s=this.manager;s.itemStart(e);const a=t=>{r(t),s.itemEnd(e)},o=t=>{n?n(t):console.error(t),s.itemError(e),s.itemEnd(e)},l=new t.FileLoader(this.manager);l.setPath(this.path),l.setResponseType("json"),l.setRequestHeader(this.requestHeader),l.setWithCredentials(this.withCredentials),l.load(e,(e=>this.parse(e,a,o)),i,n)}parse(e,t,r){G(e).then((e=>t(e))).catch((e=>r(e))).finally((()=>R()))}}class V extends e.Loader{constructor(e){super(),this.viewer=e}isSupport(e,t){return("string"==typeof e||e instanceof globalThis.File||e instanceof ArrayBuffer)&&/(ifcx)$/i.test(t)}async load(t,r,i){const n=new e.GLTFLoadingManager(t,i),s=new k(n);s.setPath(n.path),s.setCrossOrigin(i.crossOrigin||s.crossOrigin),s.setWithCredentials(i.withCredentials||s.withCredentials);const a=await s.loadAsync(n.fileURL,(e=>{const{lengthComputable:r,loaded:i,total:n}=e,s=r?i/n:1;this.viewer.emitEvent({type:"geometryprogress",data:s,file:t})}));if(!this.viewer.scene)return this;let o=0;a.traverse((e=>{e.userData={handle:o,...e.userData},o++}));const l=new e.ModelImpl(a);return l.loader=this,l.viewer=this.viewer,this.viewer.scene.add(a),this.viewer.models.push(l),this.viewer.syncOptions(),this.viewer.syncOverlay(),this.viewer.update(),this.viewer.emitEvent({type:"databasechunk",data:a,file:t}),this}}class P extends e.Loader{constructor(e){super(),this.viewer=e}isSupport(e){return"object"==typeof e&&"string"==typeof e.type&&"function"==typeof e.download&&/.ifcx$/i.test(e.type)}async load(t){const r=await t.download((e=>{this.viewer.emitEvent({type:"geometryprogress",data:e,file:t})}),this.abortController.signal);if(!this.viewer.scene)return this;const i=new TextDecoder,n=JSON.parse(i.decode(r)),s=await G(n);R();let a=0;s.traverse((e=>{e.userData={handle:a,...e.userData},a++}));const o=new e.ModelImpl(s);return o.loader=this,o.viewer=this.viewer,this.viewer.scene.add(s),this.viewer.models.push(o),this.viewer.syncOptions(),this.viewer.syncOverlay(),this.viewer.update(),this.viewer.emitEvent({type:"databasechunk",data:s,file:t}),this}}e.loaders.registerLoader("ifcx-file",(e=>new V(e))),e.loaders.registerLoader("ifcx-cloud",(e=>new P(e)))}));