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e=[this.matrix[0],this.matrix[1],this.matrix[2],this.matrix[3],this.matrix[4],this.matrix[5],this.matrix[6],this.matrix[7],this.matrix[8],this.matrix[9],this.matrix[10],this.matrix[11],this.matrix[12],this.matrix[13],this.matrix[14],this.matrix[15]];return new O(e)}CreateIdentity(){return this.matrix=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],this}IsIdentity(){let e=new O().CreateIdentity().Get();for(let t=0;t<16;t++)if(!V(this.matrix[t],e[t]))return!1;return!0}CreateTranslation(e,t,r){return this.matrix=[1,0,0,0,0,1,0,0,0,0,1,0,e,t,r,1],this}CreateRotation(e,t,r,i){let n=e+e,o=t+t,l=r+r,a=e*n,u=e*o,h=e*l,f=t*o,d=t*l,c=r*l,p=i*n,m=i*o,x=i*l;return this.matrix=[1-(f+c),u+x,h-m,0,u-x,1-(a+c),d+p,0,h+m,d-p,1-(a+f),0,0,0,0,1],this}CreateRotationAxisAngle(e,t){let r=Hr(e,t);return this.CreateRotation(r.x,r.y,r.z,r.w)}CreateScale(e,t,r){return this.matrix=[e,0,0,0,0,t,0,0,0,0,r,0,0,0,0,1],this}ComposeTRS(e,t,r){let i=e.x,n=e.y,o=e.z,l=t.x,a=t.y,u=t.z,h=t.w,f=r.x,d=r.y,c=r.z,p=l+l,m=a+a,x=u+u,g=l*p,C=l*m,M=l*x,T=a*m,E=a*x,w=u*x,I=h*p,v=h*m,b=h*x;return this.matrix=[(1-(T+w))*f,(C+b)*f,(M-v)*f,0,(C-b)*d,(1-(g+w))*d,(E+I)*d,0,(M+v)*c,(E-I)*c,(1-(g+T))*c,0,i,n,o,1],this}DecomposeTRS(){let e=new y(this.matrix[12],this.matrix[13],this.matrix[14]),t=It(this.matrix[0],this.matrix[1],this.matrix[2]),r=It(this.matrix[4],this.matrix[5],this.matrix[6]),i=It(this.matrix[8],this.matrix[9],this.matrix[10]),n=this.Determinant();He(n)&&(t*=-1);let o=new y(t,r,i),l=this.matrix[0]/t,a=this.matrix[4]/r,u=this.matrix[8]/i,h=this.matrix[1]/t,f=this.matrix[5]/r,d=this.matrix[9]/i,c=this.matrix[2]/t,p=this.matrix[6]/r,m=this.matrix[10]/i,x=null,g=l+f+m;if(g>0){let C=Math.sqrt(g+1)*2;x=new oe((p-d)/C,(u-c)/C,(h-a)/C,.25*C)}else if(l>f&&l>m){let C=Math.sqrt(1+l-f-m)*2;x=new oe(.25*C,(a+h)/C,(u+c)/C,(p-d)/C)}else if(f>m){let C=Math.sqrt(1+f-l-m)*2;x=new oe((a+h)/C,.25*C,(d+p)/C,(u-c)/C)}else{let C=Math.sqrt(1+m-l-f)*2;x=new oe((u+c)/C,(d+p)/C,.25*C,(h-a)/C)}return{translation:e,rotation:x,scale:o}}Determinant(){let e=this.matrix[0],t=this.matrix[1],r=this.matrix[2],i=this.matrix[3],n=this.matrix[4],o=this.matrix[5],l=this.matrix[6],a=this.matrix[7],u=this.matrix[8],h=this.matrix[9],f=this.matrix[10],d=this.matrix[11],c=this.matrix[12],p=this.matrix[13],m=this.matrix[14],x=this.matrix[15],g=e*o-t*n,C=e*l-r*n,M=e*a-i*n,T=t*l-r*o,E=t*a-i*o,w=r*a-i*l,I=u*p-h*c,v=u*m-f*c,b=u*x-d*c,G=h*m-f*p,B=h*x-d*p,F=f*x-d*m;return g*F-C*B+M*G+T*b-E*v+w*I}Invert(){let e=this.matrix[0],t=this.matrix[1],r=this.matrix[2],i=this.matrix[3],n=this.matrix[4],o=this.matrix[5],l=this.matrix[6],a=this.matrix[7],u=this.matrix[8],h=this.matrix[9],f=this.matrix[10],d=this.matrix[11],c=this.matrix[12],p=this.matrix[13],m=this.matrix[14],x=this.matrix[15],g=e*o-t*n,C=e*l-r*n,M=e*a-i*n,T=t*l-r*o,E=t*a-i*o,w=r*a-i*l,I=u*p-h*c,v=u*m-f*c,b=u*x-d*c,G=h*m-f*p,B=h*x-d*p,F=f*x-d*m,D=g*F-C*B+M*G+T*b-E*v+w*I;if(V(D,0))return null;let P=[(o*F-l*B+a*G)/D,(r*B-t*F-i*G)/D,(p*w-m*E+x*T)/D,(f*E-h*w-d*T)/D,(l*b-n*F-a*v)/D,(e*F-r*b+i*v)/D,(m*M-c*w-x*C)/D,(u*w-f*M+d*C)/D,(n*B-o*b+a*I)/D,(t*b-e*B-i*I)/D,(c*E-p*M+x*g)/D,(h*M-u*E-d*g)/D,(o*v-n*G-l*I)/D,(e*G-t*v+r*I)/D,(p*C-c*T-m*g)/D,(u*T-h*C+f*g)/D];return new O(P)}Transpose(){let e=[this.matrix[0],this.matrix[4],this.matrix[8],this.matrix[12],this.matrix[1],this.matrix[5],this.matrix[9],this.matrix[13],this.matrix[2],this.matrix[6],this.matrix[10],this.matrix[14],this.matrix[3],this.matrix[7],this.matrix[11],this.matrix[15]];return 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this.triangles[e]}EnumerateVertices(e){for(let t of this.vertices)e(t)}EnumerateTriangleVertexIndices(e){for(let t of this.triangles)e(t.v0,t.v1,t.v2)}EnumerateTriangleVertices(e){for(let t of this.triangles){let r=this.vertices[t.v0],i=this.vertices[t.v1],n=this.vertices[t.v2];e(r,i,n)}}Clone(){let e=new k;e.SetName(this.GetName());for(let t=0;t<this.VertexCount();t++){let r=this.GetVertex(t);e.AddVertex(r.Clone())}for(let t=0;t<this.VertexColorCount();t++){let r=this.GetVertexColor(t);e.AddVertexColor(r.Clone())}for(let t=0;t<this.NormalCount();t++){let r=this.GetNormal(t);e.AddNormal(r.Clone())}for(let t=0;t<this.TextureUVCount();t++){let r=this.GetTextureUV(t);e.AddTextureUV(r.Clone())}for(let t=0;t<this.TriangleCount();t++){let r=this.GetTriangle(t);e.AddTriangle(r.Clone())}return e}};var U=class{constructor(e,t,r){this.v0=e,this.v1=t,this.v2=r,this.c0=null,this.c1=null,this.c2=null,this.n0=null,this.n1=null,this.n2=null,this.u0=null,this.u1=null,this.u2=null,this.mat=null,this.curve=null}HasVertices(){return this.v0!==null&&this.v1!==null&&this.v2!==null}HasVertexColors(){return this.c0!==null&&this.c1!==null&&this.c2!==null}HasNormals(){return this.n0!==null&&this.n1!==null&&this.n2!==null}HasTextureUVs(){return this.u0!==null&&this.u1!==null&&this.u2!==null}SetVertices(e,t,r){return this.v0=e,this.v1=t,this.v2=r,this}SetVertexColors(e,t,r){return this.c0=e,this.c1=t,this.c2=r,this}SetNormals(e,t,r){return this.n0=e,this.n1=t,this.n2=r,this}SetTextureUVs(e,t,r){return this.u0=e,this.u1=t,this.u2=r,this}SetMaterial(e){return this.mat=e,this}SetCurve(e){return this.curve=e,this}Clone(){let e=new U(this.v0,this.v1,this.v2);return 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r=0;r<s.MaterialCount();r++){let i=s.GetMaterial(r);i.type===ee.Phong?e+=1:i.type===ee.Physical&&(t+=1)}return e>=t?ae.Phong:ae.Physical}function Rt(s){return ge(s.r,s.g,s.b)}function ce(s){return new THREE.Color(s.r/255,s.g/255,s.b/255)}function qe(s,e){let t=new k,r=s.attributes.position.array,i=s.attributes.position.itemSize||3;for(let u=0;u<r.length;u+=i){let h=r[u],f=r[u+1],d=r[u+2];t.AddVertex(new y(h,f,d))}let n=s.attributes.color!==void 0;if(n){let u=s.attributes.color.array,h=s.attributes.color.itemSize||3;for(let f=0;f<u.length;f+=h){let d=new THREE.Color(u[f],u[f+1],u[f+2]);t.AddVertexColor(Rt(d))}}let o=s.attributes.normal!==void 0;if(o){let u=s.attributes.normal.array,h=s.attributes.normal.itemSize||3;for(let f=0;f<u.length;f+=h){let d=u[f],c=u[f+1],p=u[f+2];t.AddNormal(new y(d,c,p))}}let l=s.attributes.uv!==void 0;if(l){let u=s.attributes.uv.array,h=s.attributes.uv.itemSize||2;for(let f=0;f<u.length;f+=h){let d=u[f],c=u[f+1];t.AddTextureUV(new N(d,c))}}let a=null;if(s.index!==null)a=s.index.array;else{a=[];for(let u=0;u<r.length/3;u++)a.push(u)}for(let u=0;u<a.length;u+=3){let h=a[u],f=a[u+1],d=a[u+2],c=new U(h,f,d);n&&c.SetVertexColors(h,f,d),o&&c.SetNormals(h,f,d),l&&c.SetTextureUVs(h,f,d),e!==null&&c.SetMaterial(e),t.AddTriangle(c)}return t}var tt=class{constructor(e,t){this.nodeId=e,this.meshIndex=t}IsEqual(e){return this.nodeId===e.nodeId&&this.meshIndex===e.meshIndex}GetKey(){return this.nodeId.toString()+":"+this.meshIndex.toString()}},Ft=class extends je{constructor(e,t,r){super();this.id=e,this.node=t,this.mesh=r}GetId(){return this.id}GetTransformation(){return this.node.GetWorldTransformation()}GetMesh(){return this.mesh}VertexCount(){return this.mesh.VertexCount()}VertexColorCount(){return this.mesh.VertexColorCount()}NormalCount(){return this.mesh.NormalCount()}TextureUVCount(){return this.mesh.TextureUVCount()}TriangleCount(){return this.mesh.TriangleCount()}EnumerateVertices(e){let t=this.node.GetWorldTransformation();t.IsIdentity()?this.mesh.EnumerateVertices(e):this.mesh.EnumerateVertices(r=>{let i=t.TransformCoord3D(r);e(i)})}EnumerateTriangleVertexIndices(e){this.mesh.EnumerateTriangleVertexIndices(e)}EnumerateTriangleVertices(e){let t=this.node.GetWorldTransformation();t.IsIdentity()?this.mesh.EnumerateTriangleVertices(e):this.mesh.EnumerateTriangleVertices((r,i,n)=>{let o=t.TransformCoord3D(r),l=t.TransformCoord3D(i),a=t.TransformCoord3D(n);e(o,l,a)})}PropertyGroupCount(){return this.mesh.PropertyGroupCount()}AddPropertyGroup(e){return this.mesh.AddPropertyGroup(e)}GetPropertyGroup(e){return this.mesh.GetPropertyGroup(e)}GetTransformedMesh(){let e=this.node.GetWorldTransformation(),t=this.mesh.Clone();return Ue(t,e),t}};var an=class{constructor(){this.nextId=0}GenerateId(){let e=this.nextId;return this.nextId+=1,e}},Me={GroupNode:0,MeshNode:1},ue=class{constructor(){this.type=Me.GroupNode,this.name="",this.parent=null,this.transformation=new 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c=null,p=a.physicallyBased();p.supported?(c=new We,c.metalness=p.metallic?1:0,c.roughness=p.roughness):(c=new j,h(c.ambient,a.ambientColor),h(c.specular,a.specularColor)),c.name=a.name,h(c.color,a.diffuseColor),c.opacity=1-a.transparency,ie(c),f(c.color)&&!d(a.reflectionColor)&&h(c.color,a.reflectionColor),f(c.color)&&!d(a.transparentColor)&&h(c.color,a.transparentColor);let m=a.getBitmapTexture();if(m){let x=new Ce,g=X(m.fileName),C=u.getTextureBuffer(g);x.name=g,C!==null&&(x.url=C.url,x.buffer=C.buffer),c.diffuseMap=x}return c}function o(a,u,h){let f=n(u,h);for(let d=0;d<a.MaterialCount();d++)if(a.GetMaterial(d).IsEqual(f))return d;return a.AddMaterial(f)}let l=i(this.rhino,t,r);return l===null?null:o(this.model,l,this.callbacks)}};var pe=class{constructor(e,t){this.arrayBuffer=e,this.dataView=new DataView(e),this.isLittleEndian=t,this.position=0}GetPosition(){return this.position}SetPosition(e){this.position=e}GetByteLength(){return this.arrayBuffer.byteLength}Skip(e){this.position=this.position+e}End(){return this.position>=this.arrayBuffer.byteLength}ReadArrayBuffer(e){let t=new Uint8Array(this.arrayBuffer),r=new ArrayBuffer(e),i=new Uint8Array(r),n=t.subarray(this.position,this.position+e);return i.set(n,0),this.position+=e,r}ReadBoolean8(){let e=this.dataView.getInt8(this.position);return this.position=this.position+1,!!e}ReadCharacter8(){let e=this.dataView.getInt8(this.position);return this.position=this.position+1,e}ReadUnsignedCharacter8(){let e=this.dataView.getUint8(this.position);return this.position=this.position+1,e}ReadInteger16(){let e=this.dataView.getInt16(this.position,this.isLittleEndian);return this.position=this.position+2,e}ReadUnsignedInteger16(){let e=this.dataView.getUint16(this.position,this.isLittleEndian);return this.position=this.position+2,e}ReadInteger32(){let e=this.dataView.getInt32(this.position,this.isLittleEndian);return this.position=this.position+4,e}ReadUnsignedInteger32(){let e=this.dataView.getUint32(this.position,this.isLittleEndian);return this.position=this.position+4,e}ReadFloat32(){let e=this.dataView.getFloat32(this.position,this.isLittleEndian);return this.position=this.position+4,e}ReadDouble64(){let e=this.dataView.getFloat64(this.position,this.isLittleEndian);return this.position=this.position+8,e}};var A={MAIN3DS:19789,EDIT3DS:15677,EDIT_MATERIAL:45055,MAT_NAME:40960,MAT_AMBIENT:40976,MAT_DIFFUSE:40992,MAT_SPECULAR:41008,MAT_SHININESS:41024,MAT_SHININESS_STRENGTH:41025,MAT_TRANSPARENCY:41040,MAT_COLOR_F:16,MAT_COLOR:17,MAT_LIN_COLOR:18,MAT_LIN_COLOR_F:19,MAT_TEXMAP:41472,MAT_TEXMAP_NAME:41728,MAT_TEXMAP_UOFFSET:41816,MAT_TEXMAP_VOFFSET:41818,MAT_TEXMAP_USCALE:41812,MAT_TEXMAP_VSCALE:41814,MAT_TEXMAP_ROTATION:41820,PERCENTAGE:48,PERCENTAGE_F:49,EDIT_OBJECT:16384,OBJ_TRIMESH:16640,OBJ_LIGHT:17920,OBJ_CAMERA:18176,TRI_VERTEX:16656,TRI_TEXVERTEX:16704,TRI_FACE:16672,TRI_TRANSFORMATION:16736,TRI_MATERIAL:16688,TRI_SMOOTH:16720,KF3DS:45056,OBJECT_NODE:45058,OBJECT_HIERARCHY:45072,OBJECT_INSTANCE_NAME:45073,OBJECT_PIVOT:45075,OBJECT_POSITION:45088,OBJECT_ROTATION:45089,OBJECT_SCALE:45090,OBJECT_ID:45104},dn=class{constructor(){this.id=-1,this.name="",this.flags=-1,this.parentId=-1,this.instanceName="",this.pivot=[0,0,0],this.positions=[],this.rotations=[],this.scales=[]}},mn=class{constructor(){this.nodes=[],this.nodeIdToNode=new Map}IsEmpty(){return this.nodes.length===0}AddNode(e){this.nodes.push(e),this.nodeIdToNode.set(e.nodeId,e)}GetNodes(){return this.nodes}},er=class extends z{constructor(){super()}CanImportExtension(e){return e==="3ds"}GetUpDirection(){return S.Z}ClearContent(){this.materialNameToIndex=null,this.meshNameToIndex=null,this.nodeList=null}ResetContent(){this.materialNameToIndex=new Map,this.meshNameToIndex=new Map,this.nodeList=new mn}ImportContent(e,t){this.ProcessBinary(e),t()}ProcessBinary(e){let t=new pe(e,!0),r=t.GetByteLength();this.ReadChunks(t,r,(i,n)=>{i===A.MAIN3DS?this.ReadMainChunk(t,n):this.SkipChunk(t,n)})}ReadMainChunk(e,t){let r=this.GetChunkEnd(e,t);this.ReadChunks(e,r,(i,n)=>{i===A.EDIT3DS?this.ReadEditorChunk(e,n):i===A.KF3DS?this.ReadKeyFrameChunk(e,n):this.SkipChunk(e,n)}),this.BuildNodeHierarchy()}ReadEditorChunk(e,t){let r=this.GetChunkEnd(e,t);this.ReadChunks(e,r,(i,n)=>{i===A.EDIT_MATERIAL?this.ReadMaterialChunk(e,n):i===A.EDIT_OBJECT?this.ReadObjectChunk(e,n):this.SkipChunk(e,n)})}ReadMaterialChunk(e,t){let r=new j,i=this.GetChunkEnd(e,t),n=null,o=null;this.ReadChunks(e,i,(a,u)=>{a===A.MAT_NAME?r.name=this.ReadName(e):a===A.MAT_AMBIENT?r.ambient=this.ReadColorChunk(e,u):a===A.MAT_DIFFUSE?r.color=this.ReadColorChunk(e,u):a===A.MAT_SPECULAR?r.specular=this.ReadColorChunk(e,u):a===A.MAT_SHININESS?n=this.ReadPercentageChunk(e,u):a===A.MAT_SHININESS_STRENGTH?o=this.ReadPercentageChunk(e,u):a===A.MAT_TRANSPARENCY?(r.opacity=1-this.ReadPercentageChunk(e,u),ie(r)):a===A.MAT_TEXMAP?(r.diffuseMap=this.ReadTextureMapChunk(e,u),ie(r)):this.SkipChunk(e,u)}),n!==null&&o!==null&&(r.shininess=n*o/10);let l=this.model.AddMaterial(r);this.materialNameToIndex.set(r.name,l)}ReadTextureMapChunk(e,t){let r=new Ce,i=this.GetChunkEnd(e,t);return this.ReadChunks(e,i,(n,o)=>{if(n===A.MAT_TEXMAP_NAME){let l=this.ReadName(e),a=this.callbacks.getTextureBuffer(l);r.name=l,a!==null&&(r.url=a.url,r.buffer=a.buffer)}else n===A.MAT_TEXMAP_UOFFSET?r.offset.x=e.ReadFloat32():n===A.MAT_TEXMAP_VOFFSET?r.offset.y=e.ReadFloat32():n===A.MAT_TEXMAP_USCALE?r.scale.x=e.ReadFloat32():n===A.MAT_TEXMAP_VSCALE?r.scale.y=e.ReadFloat32():n===A.MAT_TEXMAP_ROTATION?r.rotation=e.ReadFloat32()*Je:this.SkipChunk(e,o)}),r}ReadColorChunk(e,t){let r=new R(0,0,0),i=this.GetChunkEnd(e,t),n=!1;return this.ReadChunks(e,i,(o,l)=>{o===A.MAT_COLOR?n||(r.r=e.ReadUnsignedCharacter8(),r.g=e.ReadUnsignedCharacter8(),r.b=e.ReadUnsignedCharacter8()):o===A.MAT_LIN_COLOR?(r.r=e.ReadUnsignedCharacter8(),r.g=e.ReadUnsignedCharacter8(),r.b=e.ReadUnsignedCharacter8(),n=!0):o===A.MAT_COLOR_F?n||(r.r=de(e.ReadFloat32()),r.g=de(e.ReadFloat32()),r.b=de(e.ReadFloat32())):o===A.MAT_LIN_COLOR_F?(r.r=de(e.ReadFloat32()),r.g=de(e.ReadFloat32()),r.b=de(e.ReadFloat32()),n=!0):this.SkipChunk(e,l)}),r}ReadPercentageChunk(e,t){let r=0,i=this.GetChunkEnd(e,t);return this.ReadChunks(e,i,(n,o)=>{n===A.PERCENTAGE?r=e.ReadUnsignedInteger16()/100:n===A.PERCENTAGE_F?r=e.ReadFloat32():this.SkipChunk(e,o)}),r}ReadObjectChunk(e,t){let r=this.GetChunkEnd(e,t),i=this.ReadName(e);this.ReadChunks(e,r,(n,o)=>{n===A.OBJ_TRIMESH?this.ReadMeshChunk(e,o,i):this.SkipChunk(e,o)})}ReadMeshChunk(e,t,r){function i(h,f){if(!f.IsValid())return;let d=f.Determinant(),c=He(d);c&&(f=new O().CreateScale(-1,1,1).MultiplyMatrix(f));let p=f.Invert();if(p===null)return;let m=new H(p);Ue(h,m),c&&Wr(h)}let n=new k;n.SetName(r);let o=this.GetChunkEnd(e,t),l=null;if(this.ReadChunks(e,o,(h,f)=>{h===A.TRI_VERTEX?this.ReadVerticesChunk(n,e):h===A.TRI_TEXVERTEX?this.ReadTextureVerticesChunk(n,e):h===A.TRI_FACE?this.ReadFacesChunk(n,e,f):h===A.TRI_TRANSFORMATION?l=this.ReadTransformationChunk(e):this.SkipChunk(e,f)}),n.VertexCount()===n.TextureUVCount())for(let h=0;h<n.TriangleCount();h++){let f=n.GetTriangle(h);f.SetTextureUVs(f.v0,f.v1,f.v2)}let a=new O(l);i(n,a);let u=this.model.AddMesh(n);this.meshNameToIndex.set(n.GetName(),u)}ReadVerticesChunk(e,t){let r=t.ReadUnsignedInteger16();for(let i=0;i<r;i++){let n=t.ReadFloat32(),o=t.ReadFloat32(),l=t.ReadFloat32();e.AddVertex(new y(n,o,l))}}ReadTextureVerticesChunk(e,t){let r=t.ReadUnsignedInteger16();for(let i=0;i<r;i++){let n=t.ReadFloat32(),o=t.ReadFloat32();e.AddTextureUV(new N(n,o))}}ReadFacesChunk(e,t,r){let i=this.GetChunkEnd(t,r),n=t.ReadUnsignedInteger16();for(let o=0;o<n;o++){let l=t.ReadUnsignedInteger16(),a=t.ReadUnsignedInteger16(),u=t.ReadUnsignedInteger16();t.ReadUnsignedInteger16(),e.AddTriangle(new U(l,a,u))}this.ReadChunks(t,i,(o,l)=>{o===A.TRI_MATERIAL?this.ReadFaceMaterialsChunk(e,t):o===A.TRI_SMOOTH?this.ReadFaceSmoothingGroupsChunk(e,n,t):this.SkipChunk(t,l)})}ReadFaceMaterialsChunk(e,t){let r=this.ReadName(t),i=this.materialNameToIndex.get(r),n=t.ReadUnsignedInteger16();for(let o=0;o<n;o++){let l=t.ReadUnsignedInteger16(),a=e.GetTriangle(l);i!==void 0&&(a.mat=i)}}ReadFaceSmoothingGroupsChunk(e,t,r){for(let i=0;i<t;i++){let n=r.ReadUnsignedInteger32(),o=e.GetTriangle(i);o.curve=n}}ReadTransformationChunk(e){let t=[];for(let r=0;r<4;r++){for(let i=0;i<3;i++)t.push(e.ReadFloat32());r<3?t.push(0):t.push(1)}return t}ReadKeyFrameChunk(e,t){let r=this.GetChunkEnd(e,t);this.ReadChunks(e,r,(i,n)=>{i===A.OBJECT_NODE?this.ReadObjectNodeChunk(e,n):this.SkipChunk(e,n)})}BuildNodeHierarchy(){function e(r,i){function n(u){return u.positions.length===0?[0,0,0]:u.positions[0]}function o(u){function h(d){let c=[0,0,0,1],p=Math.sqrt(d[0]*d[0]+d[1]*d[1]+d[2]*d[2]);if(p>0){let m=d[3]*-.5,x=Math.sin(m)/p;c=[x*d[0],x*d[1],x*d[2],Math.cos(m)]}return c}if(u.rotations.length===0)return[0,0,0,1];let f=u.rotations[0];return h(f)}function l(u){return u.scales.length===0?[1,1,1]:u.scales[0]}let a=new O;if(a.ComposeTRS(Re(n(r)),$e(o(r)),Re(l(r))),i){let u=r.pivot;a=new O().CreateTranslation(-u[0],-u[1],-u[2]).MultiplyMatrix(a)}return new H(a)}let t=this.model.GetRootNode();if(this.nodeList.IsEmpty())for(let r=0;r<this.model.MeshCount();r++)t.AddMeshIndex(r);else{let r=new Map;for(let i of this.nodeList.GetNodes()){let n=new ue;i.name.length>0&&i.name!=="$$$DUMMY"&&(n.SetName(i.name),i.instanceName.length>0&&n.SetName(n.GetName()+" "+i.instanceName)),i.parentId===65535||!r.has(i.parentId)?t.AddChildNode(n):r.get(i.parentId).AddChildNode(n),r.set(i.id,n);let o=this.meshNameToIndex.has(i.name);n.SetTransformation(e(i,o)),o&&(n.SetType(Me.MeshNode),n.AddMeshIndex(this.meshNameToIndex.get(i.name)))}}}ReadObjectNodeChunk(e,t){function r(o,l,a){let u=[];l.Skip(10);let h=l.ReadInteger32();for(let f=0;f<h;f++){l.ReadInteger32(),l.ReadUnsignedInteger16()!==0&&l.ReadFloat32();let c=null;if(a===A.OBJECT_ROTATION){let p=l.ReadFloat32();c=o.ReadVector(l),c[3]=p}else c=o.ReadVector(l);u.push(c)}return u}let i=new dn,n=this.GetChunkEnd(e,t);this.ReadChunks(e,n,(o,l)=>{o===A.OBJECT_HIERARCHY?(i.name=this.ReadName(e),i.flags=e.ReadUnsignedInteger32(),i.parentId=e.ReadUnsignedInteger16()):o===A.OBJECT_INSTANCE_NAME?i.instanceName=this.ReadName(e):o===A.OBJECT_PIVOT?i.pivot=this.ReadVector(e):o===A.OBJECT_POSITION?i.positions=r(this,e,A.OBJECT_POSITION):o===A.OBJECT_ROTATION?i.rotations=r(this,e,A.OBJECT_ROTATION):o===A.OBJECT_SCALE?i.scales=r(this,e,A.OBJECT_SCALE):o===A.OBJECT_ID?i.id=e.ReadUnsignedInteger16():this.SkipChunk(e,l)}),this.nodeList.AddNode(i)}ReadName(e){let t="",r=0,i=0;for(;i<64&&(r=e.ReadCharacter8(),r!==0);)t=t+String.fromCharCode(r),i=i+1;return t}ReadVector(e){return[e.ReadFloat32(),e.ReadFloat32(),e.ReadFloat32()]}ReadChunks(e,t,r){for(;e.GetPosition()<=t-6;){let i=e.ReadUnsignedInteger16(),n=e.ReadUnsignedInteger32();r(i,n)}}GetChunkEnd(e,t){return e.GetPosition()+t-6}SkipChunk(e,t){e.Skip(t-6)}};var Ee={BYTE:5120,UNSIGNED_BYTE:5121,SHORT:5122,UNSIGNED_SHORT:5123,UNSIGNED_INT:5125,FLOAT:5126},Ne={SCALAR:0,VEC2:1,VEC3:2,VEC4:3,MAT2:4,MAT3:5,MAT4:6},ut={POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6},Ni={GLTF_STRING:1179937895,JSON_CHUNK_TYPE:1313821514,BINARY_CHUNK_TYPE:5130562};function tr(s){return ge(ot(s[0]),ot(s[1]),ot(s[2]))}function Hn(s,e){function t(r,i){let n=r;return i!==Ee.FLOAT&&(n/=255),de(ot(n))}return new R(t(s[0],e),t(s[1],e),t(s[2],e))}var cn=class{constructor(e){this.reader=new pe(e,!0),this.componentType=null,this.dataType=null,this.byteStride=null,this.dataCount=null,this.sparseReader=null}SetComponentType(e){this.componentType=e}SetDataType(e){e==="SCALAR"?this.dataType=Ne.SCALAR:e==="VEC2"?this.dataType=Ne.VEC2:e==="VEC3"?this.dataType=Ne.VEC3:e==="VEC4"?this.dataType=Ne.VEC4:e==="MAT2"?this.dataType=Ne.MAT2:e==="MAT3"?this.dataType=Ne.MAT3:e==="MAT4"&&(this.dataType=Ne.MAT4)}SetByteStride(e){this.byteStride=e}SetDataCount(e){this.dataCount=e}SetSparseReader(e,t){this.sparseReader={indexReader:e,valueReader:t}}ReadArrayBuffer(e){return this.reader.ReadArrayBuffer(e)}GetDataCount(){return this.dataCount}ReadData(){if(this.dataType===null)return null;if(this.dataType===Ne.SCALAR){let e=this.ReadComponent();return this.SkipBytesByStride(1),e}else if(this.dataType===Ne.VEC2){let e=this.ReadComponent(),t=this.ReadComponent();return this.SkipBytesByStride(2),new N(e,t)}else if(this.dataType===Ne.VEC3){let e=this.ReadComponent(),t=this.ReadComponent(),r=this.ReadComponent();return this.SkipBytesByStride(3),new y(e,t,r)}else if(this.dataType===Ne.VEC4){let e=this.ReadComponent(),t=this.ReadComponent(),r=this.ReadComponent(),i=this.ReadComponent();return this.SkipBytesByStride(4),new Se(e,t,r,i)}return null}EnumerateData(e){if(this.sparseReader===null)for(let t=0;t<this.dataCount;t++)e(this.ReadData());else{let t=[];for(let i=0;i<this.sparseReader.indexReader.GetDataCount();i++){let n=this.sparseReader.indexReader.ReadData(),o=this.sparseReader.valueReader.ReadData();t.push({index:n,value:o})}let r=0;for(let i=0;i<this.dataCount;i++){let n=this.ReadData();r<t.length&&t[r].index===i?(e(t[r].value),r+=1):e(n)}}}SkipBytes(e){this.reader.Skip(e)}ReadComponent(){return this.componentType===null?null:this.componentType===Ee.BYTE?this.reader.ReadCharacter8():this.componentType===Ee.UNSIGNED_BYTE?this.reader.ReadUnsignedCharacter8():this.componentType===Ee.SHORT?this.reader.ReadInteger16():this.componentType===Ee.UNSIGNED_SHORT?this.reader.ReadUnsignedInteger16():this.componentType===Ee.UNSIGNED_INT?this.reader.ReadInteger32():this.componentType===Ee.FLOAT?this.reader.ReadFloat32():null}SkipBytesByStride(e){if(this.byteStride===null)return;let t=e*this.GetComponentSize();this.reader.Skip(this.byteStride-t)}GetComponentSize(){return this.componentType===Ee.BYTE||this.componentType===Ee.UNSIGNED_BYTE?1:this.componentType===Ee.SHORT||this.componentType===Ee.UNSIGNED_SHORT?2:this.componentType===Ee.UNSIGNED_INT||this.componentType===Ee.FLOAT?4:0}},pn=class{constructor(){this.supportedExtensions=["KHR_draco_mesh_compression","KHR_materials_pbrSpecularGlossiness","KHR_texture_transform"],this.draco=null}LoadLibraries(e,t){if(e===void 0){t.onSuccess();return}this.draco===null&&e.indexOf("KHR_draco_mesh_compression")!==-1?fe("loaders/draco_decoder.js").then(()=>{DracoDecoderModule().then(r=>{this.draco=r,t.onSuccess()})}).catch(()=>{t.onError("Failed to load draco decoder.")}):t.onSuccess()}GetUnsupportedExtensions(e){let t=[];if(e===void 0)return t;for(let r=0;r<e.length;r++){let i=e[r];this.supportedExtensions.indexOf(i)===-1&&t.push(i)}return t}ProcessMaterial(e,t,r){if(e.extensions===void 0)return null;let i=e.extensions.KHR_materials_pbrSpecularGlossiness;if(i===void 0)return null;let n=new j,o=i.diffuseFactor;o!==void 0&&(n.color=tr(o),n.opacity=o[3]);let l=i.diffuseTexture;l!==void 0&&(n.diffuseMap=r(l));let a=i.specularFactor;a!==void 0&&(n.specular=tr(a));let u=i.specularGlossinessTexture;u!==void 0&&(n.specularMap=r(u));let h=i.glossinessFactor;return h!==void 0&&(n.shininess=h),n}ProcessTexture(e,t){if(e.extensions===void 0)return;let r=e.extensions.KHR_texture_transform;r!==void 0&&(r.offset!==void 0&&(t.offset.x=r.offset[0],t.offset.y=-r.offset[1]),r.scale!==void 0&&(t.scale.x=r.scale[0],t.scale.y=r.scale[1]),r.rotation!==void 0&&(t.rotation=-r.rotation))}ProcessPrimitive(e,t,r,i){function n(F,D,P,ne,_){let xe=D.GetAttributeByUniqueId(P,ne),Pe=xe.num_components(),dt=P.num_points()*Pe,mt=dt*4,it=F._malloc(mt);D.GetAttributeDataArrayForAllPoints(P,xe,F.DT_FLOAT32,mt,it);let $=new Float32Array(F.HEAPF32.buffer,it,dt).slice();if(Pe===2)for(let W=0;W<$.length;W+=2)_(new N($[W+0],$[W+1]));else if(Pe===3)for(let W=0;W<$.length;W+=3)_(new y($[W+0],$[W+1],$[W+2]));else if(Pe===4)for(let W=0;W<$.length;W+=4)_(new Se($[W+0],$[W+1],$[W+2],$[W+3]));F._free(it)}if(this.draco===null||r.extensions===void 0||r.extensions.KHR_draco_mesh_compression===void 0)return!1;let o=new this.draco.Decoder,l=new this.draco.DecoderBuffer,a=r.extensions.KHR_draco_mesh_compression,u=t.bufferViews[a.bufferView],f=e.GetReaderFromBufferView(u).ReadArrayBuffer(u.byteLength);if(l.Init(new Int8Array(f),f.byteLength),o.GetEncodedGeometryType(l)!==this.draco.TRIANGULAR_MESH)return!0;let c=new this.draco.Mesh;if(!o.DecodeBufferToMesh(l,c).ok())return!0;let m=a.attributes.POSITION!==void 0,x=!1,g=a.attributes.NORMAL!==void 0,C=a.attributes.TEXCOORD_0!==void 0;if(!m)return!0;let M=i.VertexCount(),T=i.VertexColorCount(),E=i.NormalCount(),w=i.TextureUVCount();n(this.draco,o,c,a.attributes.POSITION,F=>{i.AddVertex(F)}),g&&n(this.draco,o,c,a.attributes.NORMAL,F=>{i.AddNormal(F)}),C&&n(this.draco,o,c,a.attributes.TEXCOORD_0,F=>{F.y=-F.y,i.AddTextureUV(F)});let v=c.num_faces()*3,b=v*4,G=this.draco._malloc(b);o.GetTrianglesUInt32Array(c,b,G);let B=new Uint32Array(this.draco.HEAPU32.buffer,G,v).slice();for(let F=0;F<B.length;F+=3){let D=B[F],P=B[F+1],ne=B[F+2];e.AddTriangle(r,i,D,P,ne,x,g,C,M,T,E,w)}return this.draco._free(G),!0}},rr=class extends z{constructor(){super();this.gltfExtensions=new pn}CanImportExtension(e){return e==="gltf"||e==="glb"}GetUpDirection(){return S.Y}ClearContent(){this.bufferContents=null,this.imageIndexToTextureParams=null}ResetContent(){this.bufferContents=[],this.imageIndexToTextureParams=new Map}ImportContent(e,t){this.extension==="gltf"?this.ProcessGltf(e,t):this.extension==="glb"&&this.ProcessBinaryGltf(e,t)}ProcessGltf(e,t){let r=J(e),i=JSON.parse(r);if(i.asset.version!=="2.0"){this.SetError("Invalid glTF version."),t();return}for(let n=0;n<i.buffers.length;n++){let o=null,l=i.buffers[n],a=st(l.uri);if(a!==null)o=a.buffer;else{let u=this.callbacks.getFileBuffer(l.uri);u!==null&&(o=u)}if(o===null){this.SetError("One of the requested buffers is missing."),t();return}this.bufferContents.push(o)}this.ProcessMainFile(i,t)}ProcessBinaryGltf(e,t){function r(u){let h=u.ReadUnsignedInteger32(),f=u.ReadUnsignedInteger32(),d=u.ReadArrayBuffer(h);return{type:f,buffer:d}}let i=new pe(e,!0);if(i.ReadUnsignedInteger32()!==Ni.GLTF_STRING){this.SetError("Invalid glTF file."),t();return}if(i.ReadUnsignedInteger32()!==2){this.SetError("Invalid glTF version."),t();return}if(i.ReadUnsignedInteger32()!==i.GetByteLength()){this.SetError("Invalid glTF file."),t();return}let a=null;for(;!i.End();){let u=r(i);u.type===Ni.JSON_CHUNK_TYPE?a=J(u.buffer):u.type===Ni.BINARY_CHUNK_TYPE&&this.bufferContents.push(u.buffer)}if(a!==null){let u=JSON.parse(a);this.ProcessMainFile(u,t)}}ProcessMainFile(e,t){let r=this.gltfExtensions.GetUnsupportedExtensions(e.extensionsRequired);if(r.length>0){this.SetError("Unsupported extension: "+r.join(", ")+"."),t();return}this.gltfExtensions.LoadLibraries(e.extensionsRequired,{onSuccess:()=>{this.ImportModel(e),t()},onError:i=>{this.SetError(i),t()}})}ImportModel(e){let t=e.materials;if(t!==void 0)for(let i of t)this.ImportMaterial(e,i);let r=e.meshes;if(r!==void 0)for(let i of r)this.ImportMesh(e,i);this.ImportNodes(e),this.ImportModelProperties(e)}ImportModelProperties(e){function t(r,i,n){let o=new me(i);for(let l in n)if(Object.prototype.hasOwnProperty.call(n,l)&&typeof n[l]=="string"){let a=new re(se.Text,l,n[l]);o.AddProperty(a)}return o.PropertyCount()>0&&r.AddPropertyGroup(o),o}t(this.model,"Asset properties",e.asset),e.asset.extras&&t(this.model,"Extras",e.asset.extras)}GetDefaultScene(e){let t=e.scene||0;return t>=e.scenes.length?null:e.scenes[t]}ImportMaterial(e,t){let r=new We;if(t.name!==void 0&&(r.name=t.name),r.color=tr([1,1,1]),t.pbrMetallicRoughness!==void 0){let n=t.pbrMetallicRoughness.baseColorFactor;n!==void 0&&(r.color=tr(n),r.opacity=n[3]);let o=t.pbrMetallicRoughness.metallicFactor;o!==void 0&&(r.metalness=o);let l=t.pbrMetallicRoughness.roughnessFactor;l!==void 0&&(r.roughness=l);let a=t.emissiveFactor;a!==void 0&&(r.emissive=tr(a)),r.diffuseMap=this.ImportTexture(e,t.pbrMetallicRoughness.baseColorTexture),r.metalnessMap=this.ImportTexture(e,t.pbrMetallicRoughness.metallicRoughnessTexture),r.normalMap=this.ImportTexture(e,t.normalTexture),r.emissiveMap=this.ImportTexture(e,t.emissiveTexture),r.diffuseMap!==null&&(r.multiplyDiffuseMap=!0);let u=t.alphaMode;u!==void 0&&(u==="BLEND"?r.transparent=!0:u==="MASK"&&(r.transparent=!0,r.alphaTest=t.alphaCutoff||.5))}let i=this.gltfExtensions.ProcessMaterial(t,r,n=>this.ImportTexture(e,n));i!==null&&(r=i),this.model.AddMaterial(r)}ImportTexture(e,t){if(t==null)return null;let r=new Ce,n=e.textures[t.index].source,o=e.images[n],l=null;if(this.imageIndexToTextureParams.has(n))l=this.imageIndexToTextureParams.get(n);else{l={name:null,url:null,buffer:null};let a=n.toString();if(o.uri!==void 0){let u=st(o.uri);if(u!==null)l.name="Embedded_"+a+"."+Qe(u.mimeType),l.url=zt(u.buffer,u.mimeType),l.buffer=u.buffer;else{let h=this.callbacks.getTextureBuffer(o.uri);l.name=o.uri,h!==null&&(l.url=h.url,l.buffer=h.buffer)}}else if(o.bufferView!==void 0){let u=e.bufferViews[o.bufferView],h=this.GetReaderFromBufferView(u);if(h!==null){let f=h.ReadArrayBuffer(u.byteLength);l.name="Binary_"+a+"."+Qe(o.mimeType),l.url=zt(f,o.mimeType),l.buffer=f}}this.imageIndexToTextureParams.set(n,l)}return r.name=l.name,r.url=l.url,r.buffer=l.buffer,this.gltfExtensions.ProcessTexture(t,r),r}ImportMesh(e,t){let r=new k;this.model.AddMesh(r),t.name!==void 0&&r.SetName(t.name);for(let i=0;i<t.primitives.length;i++){let n=t.primitives[i];this.ImportPrimitive(e,n,r)}}ImportPrimitive(e,t,r){if(this.gltfExtensions.ProcessPrimitive(this,e,t,r)||t.attributes===void 0)return;let i=t.attributes.POSITION!==void 0,n=t.attributes.COLOR_0!==void 0,o=t.attributes.NORMAL!==void 0,l=t.attributes.TEXCOORD_0!==void 0,a=t.indices!==void 0,u=ut.TRIANGLES;if(t.mode!==void 0&&(u=t.mode),u!==ut.TRIANGLES&&u!==ut.TRIANGLE_STRIP&&u!==ut.TRIANGLE_FAN)return;let h=r.VertexCount(),f=r.VertexColorCount(),d=r.NormalCount(),c=r.TextureUVCount();if(i){let m=e.accessors[t.attributes.POSITION],x=this.GetReaderFromAccessor(e,m);if(x===null)return;x.EnumerateData(g=>{r.AddVertex(g)})}else return;if(n){let m=e.accessors[t.attributes.COLOR_0],x=this.GetReaderFromAccessor(e,m);if(x===null)return;x.EnumerateData(g=>{let C=Hn([g.x,g.y,g.z],x.componentType);r.AddVertexColor(C)})}if(o){let m=e.accessors[t.attributes.NORMAL],x=this.GetReaderFromAccessor(e,m);if(x===null)return;x.EnumerateData(g=>{r.AddNormal(g)})}if(l){let m=e.accessors[t.attributes.TEXCOORD_0],x=this.GetReaderFromAccessor(e,m);if(x===null)return;x.EnumerateData(g=>{g.y=-g.y,r.AddTextureUV(g)})}let p=[];if(a){let m=e.accessors[t.indices],x=this.GetReaderFromAccessor(e,m);if(x===null)return;x.EnumerateData(g=>{p.push(g)})}else{let m=r.VertexCount()-h;for(let x=0;x<m;x++)p.push(x)}if(u===ut.TRIANGLES)for(let m=0;m<p.length;m+=3){let x=p[m],g=p[m+1],C=p[m+2];this.AddTriangle(t,r,x,g,C,n,o,l,h,f,d,c)}else if(u===ut.TRIANGLE_STRIP)for(let m=0;m<p.length-2;m++){let x=p[m],g=p[m+1],C=p[m+2];if(m%2===1){let M=g;g=C,C=M}this.AddTriangle(t,r,x,g,C,n,o,l,h,f,d,c)}else if(u===ut.TRIANGLE_FAN)for(let m=1;m<p.length-1;m++){let x=p[0],g=p[m],C=p[m+1];this.AddTriangle(t,r,x,g,C,n,o,l,h,f,d,c)}}AddTriangle(e,t,r,i,n,o,l,a,u,h,f,d){let c=new U(u+r,u+i,u+n);o&&c.SetVertexColors(h+r,h+i,h+n),l&&c.SetNormals(f+r,f+i,f+n),a&&c.SetTextureUVs(d+r,d+i,d+n),e.material!==void 0&&(c.mat=e.material),t.AddTriangle(c)}ImportNodes(e){let t=this.GetDefaultScene(e);if(t===null)return;let r=this.model.GetRootNode();for(let i of t.nodes){let n=e.nodes[i];this.ImportNode(e,n,r)}}ImportNode(e,t,r){function i(o){let l=new O().CreateIdentity();if(o.matrix!==void 0)l.Set(o.matrix);else{let a=[0,0,0],u=[0,0,0,1],h=[1,1,1];o.translation!==void 0&&(a=o.translation),o.rotation!==void 0&&(u=o.rotation),o.scale!==void 0&&(h=o.scale),l.ComposeTRS(Re(a),$e(u),Re(h))}return new H(l)}if(t.children===void 0&&t.mesh===void 0)return;let n=new ue;if(t.name!==void 0&&n.SetName(t.name),n.SetTransformation(i(t)),r.AddChildNode(n),t.children!==void 0)for(let o of t.children){let l=e.nodes[o];this.ImportNode(e,l,n)}t.mesh!==void 0&&((t.children===void 0||t.children.length===0)&&n.SetType(Me.MeshNode),n.AddMeshIndex(t.mesh))}GetReaderFromBufferView(e){let t=e.buffer||0,r=this.bufferContents[t];if(r==null)return null;let i=new cn(r);i.SkipBytes(e.byteOffset||0);let n=e.byteStride;return n!==void 0&&n!==0&&i.SetByteStride(n),i}GetReaderFromAccessor(e,t){let r=t.bufferView||0,i=e.bufferViews[r],n=this.GetReaderFromBufferView(i);if(n===null)return null;if(n.SetComponentType(t.componentType),n.SetDataType(t.type),n.SetDataCount(t.count),n.SkipBytes(t.byteOffset||0),t.sparse!==void 0){let o=this.GetReaderFromSparseAccessor(e,t.sparse.indices,t.sparse.indices.componentType,"SCALAR",t.sparse.count),l=this.GetReaderFromSparseAccessor(e,t.sparse.values,t.componentType,t.type,t.sparse.count);o!==null&&l!==null&&n.SetSparseReader(o,l)}return n}GetReaderFromSparseAccessor(e,t,r,i,n){if(t.bufferView===void 0)return null;let o=e.bufferViews[t.bufferView],l=this.GetReaderFromBufferView(o);return l===null?null:(l.SetComponentType(r),l.SetDataType(i),l.SetDataCount(n),l.SkipBytes(t.byteOffset||0),l)}};var ir=class extends z{constructor(){super();this.ifc=null}CanImportExtension(e){return e==="ifc"}GetUpDirection(){return S.Y}ClearContent(){this.materialNameToIndex=null,this.expressIDToMesh=null}ResetContent(){this.materialNameToIndex=new Map,this.expressIDToMesh=new Map}ImportContent(e,t){this.ifc===null?fe("loaders/web-ifc-api-browser.js").then(()=>{this.ifc=new WebIFC.IfcAPI,this.ifc.Init().then(()=>{this.ImportIfcContent(e),t()})}).catch(()=>{this.SetError("Failed to load web-ifc."),t()}):(this.ImportIfcContent(e),t())}ImportIfcContent(e){let t=new Uint8Array(e),r=this.ifc.OpenModel(t,{COORDINATE_TO_ORIGIN:!0}),i=this.ifc.LoadAllGeometry(r);for(let n=0;n<i.size();n++){let o=i.get(n);o.geometries.size()>0&&this.ImportIfcMesh(r,o)}this.ImportProperties(r),this.ifc.CloseModel(r)}ImportIfcMesh(e,t){let r=new k;r.SetName("Mesh "+t.expressID.toString());let i=0,n=t.geometries;for(let o=0;o<n.size();o++){let l=n.get(o),a=this.ifc.GetGeometry(e,l.geometryExpressID),u=this.ifc.GetVertexArray(a.GetVertexData(),a.GetVertexDataSize()),h=this.ifc.GetIndexArray(a.GetIndexData(),a.GetIndexDataSize()),f=this.GetMaterialIndexByColor(l.color),d=new O(l.flatTransformation),c=new H(d);for(let p=0;p<u.length;p+=6){let m=u[p],x=u[p+1],g=u[p+2],C=new y(m,x,g),M=c.TransformCoord3D(C);r.AddVertex(M)}for(let p=0;p<h.length;p+=3){let m=h[p],x=h[p+1],g=h[p+2],C=new U(i+m,i+x,i+g);C.SetMaterial(f),r.AddTriangle(C)}i+=u.length/6}this.expressIDToMesh.set(t.expressID,r),this.model.AddMeshToRootNode(r)}ImportProperties(e){let t=this.ifc.GetLineIDsWithType(e,WebIFC.IFCRELDEFINESBYPROPERTIES);for(let r=0;r<t.size();r++){let i=t.get(r),n=this.ifc.GetLine(e,i);Array.isArray(n.RelatingPropertyDefinition)||n.RelatedObjects.forEach(o=>{let l=null;if(this.expressIDToMesh.has(o.value)?l=this.expressIDToMesh.get(o.value):this.ifc.GetLine(e,o.value,!0).type===WebIFC.IFCBUILDING&&(l=this.model),l===null)return;let a=n.RelatingPropertyDefinition,u=this.ifc.GetLine(e,a.value,!0);if(!u||!u.HasProperties)return;let h=new me(u.Name.value);u.HasProperties.forEach(f=>{if(!f||!f.Name||!f.NominalValue)return;let d=null,c=this.GetIFCString(f.Name.value),p=null;switch(f.NominalValue.label){case"IFCTEXT":case"IFCLABEL":case"IFCIDENTIFIER":d=new re(se.Text,c,this.GetIFCString(f.NominalValue.value));break;case"IFCBOOLEAN":case"IFCLOGICAL":p="Unknown",f.NominalValue.value==="T"?p="True":f.NominalValue.value==="F"&&(p="False"),d=new re(se.Text,c,p);break;case"IFCINTEGER":case"IFCCOUNTMEASURE":d=new re(se.Integer,c,f.NominalValue.value);break;case"IFCREAL":case"IFCLENGTHMEASURE":case"IFCPOSITIVELENGTHMEASURE":case"IFCAREAMEASURE":case"IFCVOLUMEMEASURE":case"IFCRATIOMEASURE":case"IFCPOSITIVERATIOMEASURE":case"IFCMASSMEASURE":case"IFCMASSPERLENGTHMEASURE":case"IFCPLANEANGLEMEASURE":case"IFCTHERMALTRANSMITTANCEMEASURE":d=new re(se.Number,c,f.NominalValue.value);break;default:console.log(f.NominalValue.label),console.log(f.NominalValue.value);break}d!==null&&h.AddProperty(d)}),h.PropertyCount()>0&&l.AddPropertyGroup(h)})}}GetMaterialIndexByColor(e){let t=ge(e.x,e.y,e.z),r="Color "+Y(t.r)+Y(t.g)+Y(t.b)+Y(parseInt(e.w*255,10));if(this.materialNameToIndex.has(r))return this.materialNameToIndex.get(r);{let i=new j;i.name=r,i.color=t,i.opacity=e.w,ie(i);let n=this.model.AddMaterial(i);return this.materialNameToIndex.set(r,n),n}}GetIFCString(e){let t=this.DecodeIFCString(e);return t.length===0&&(t="-"),t}DecodeIFCString(e){let t=/\\X2\\(.*?)\\X0\\/uig,r=e,i=t.exec(e);for(;i;){let n=String.fromCharCode(parseInt(i[1],16));r=r.replace(i[0],n),i=t.exec(e)}return r}};var Nt=class{constructor(){this.name=null,this.material=null}SetName(e){return this.name=e,this}SetMaterial(e){return this.material=e,this}},ht=class{constructor(e){this.params=e||new Nt,this.mesh=new k,this.params.name!==null&&this.mesh.SetName(this.params.name),this.curve=null}GetMesh(){return this.mesh}AddVertex(e,t,r){let i=new y(e,t,r);return this.mesh.AddVertex(i)}AddVertices(e){let t=[];for(let r=0;r<e.length;r++){let i=e[r];t.push(this.AddVertex(i.x,i.y,i.z))}return t}SetCurve(e){this.curve=e}ResetCurve(){this.curve=null}AddTriangle(e,t,r){let i=new U(e,t,r);return this.params.material!==null&&(i.mat=this.params.material),this.curve!==null&&i.SetCurve(this.curve),this.mesh.AddTriangle(i)}AddTriangleInverted(e,t,r){this.AddTriangle(e,r,t)}AddConvexPolygon(e){for(let t=0;t<e.length-2;t++)this.AddTriangle(e[0],e[t+1],e[t+2])}AddConvexPolygonInverted(e){for(let t=0;t<e.length-2;t++)this.AddTriangleInverted(e[0],e[t+1],e[t+2])}},nr=class{constructor(e){this.generator=e}GenerateSurfaceBetweenPolygons(e,t){if(e.length!==t.length)return;let r=e.length;for(let i=0;i<r;i++){let n=i,o=i<r-1?n+1:0;this.generator.AddConvexPolygon([e[n],e[o],t[o],t[n]])}}GenerateTriangleFan(e,t){let r=e.length;for(let i=0;i<r;i++){let n=i,o=i<r-1?n+1:0;this.generator.AddTriangle(t,e[n],e[o])}}};function xn(s,e){return new N(s*Math.cos(e),s*Math.sin(e))}function ti(s,e,t,r){if(!we(e)||!we(t)||!we(r))return null;let i=new ht(s);return i.AddVertex(0,0,0),i.AddVertex(e,0,0),i.AddVertex(e,t,0),i.AddVertex(0,t,0),i.AddVertex(0,0,r),i.AddVertex(e,0,r),i.AddVertex(e,t,r),i.AddVertex(0,t,r),i.AddConvexPolygon([0,3,2,1]),i.AddConvexPolygon([0,1,5,4]),i.AddConvexPolygon([1,2,6,5]),i.AddConvexPolygon([2,3,7,6]),i.AddConvexPolygon([3,0,4,7]),i.AddConvexPolygon([4,5,6,7]),i.GetMesh()}function or(s,e,t,r,i,n){if(He(e)||He(t)||!we(r)||i<3)return null;let o=nt(e),l=nt(t);if(o&&l)return null;let a=new ht(s),u=new nr(a),h=2*Math.PI/i,f=n?1:null,d=[];if(o)d.push(a.AddVertex(0,0,r));else for(let p=0;p<i;p++){let m=xn(e,p*h);d.push(a.AddVertex(m.x,m.y,r))}let c=[];if(l)c.push(a.AddVertex(0,0,0));else for(let p=0;p<i;p++){let m=xn(t,p*h);c.push(a.AddVertex(m.x,m.y,0))}return o?(a.SetCurve(f),u.GenerateTriangleFan(c,d[0]),a.ResetCurve(),a.AddConvexPolygonInverted(c)):l?(a.SetCurve(f),u.GenerateTriangleFan(d.slice().reverse(),c[0]),a.ResetCurve(),a.AddConvexPolygon(d)):(a.SetCurve(f),u.GenerateSurfaceBetweenPolygons(c,d),a.ResetCurve(),a.AddConvexPolygonInverted(c),a.AddConvexPolygon(d)),a.GetMesh()}function ri(s,e,t,r,i){return or(s,e,e,t,r,i)}function ii(s,e,t,r){function i(c,p,m){return new y(c*Math.sin(p)*Math.cos(m),c*Math.sin(p)*Math.sin(m),c*Math.cos(p))}if(!we(e)||t<3)return null;let n=new ht(s),o=new nr(n);n.SetCurve(r?1:null);let l=[],a=t+1,u=Math.PI/t,h=2*Math.PI/t;for(let c=1;c<a-1;c++){let p=[],m=c*u;for(let x=0;x<t;x++){let g=x*h,C=i(e,m,-g);p.push(n.AddVertex(C.x,C.y,C.z))}c>1&&o.GenerateSurfaceBetweenPolygons(l[l.length-1],p),l.push(p)}let f=n.AddVertex(0,0,e),d=n.AddVertex(0,0,-e);return o.GenerateTriangleFan(l[0].slice().reverse(),f),o.GenerateTriangleFan(l[l.length-1],d),n.ResetCurve(),n.GetMesh()}function ni(s,e,t){function r(n,o,l,a,u){let h=new y(l,a,u);h.MultiplyScalar(o/h.Length()),n.AddVertex(h.x,h.y,h.z)}if(!we(t))return null;let i=new ht(s);if(e==="tetrahedron"){let n=1;r(i,t,+n,+n,+n),r(i,t,-n,-n,+n),r(i,t,-n,+n,-n),r(i,t,+n,-n,-n),i.AddTriangle(0,1,3),i.AddTriangle(0,2,1),i.AddTriangle(0,3,2),i.AddTriangle(1,2,3)}else if(e==="hexahedron"){let n=1;r(i,t,+n,+n,+n),r(i,t,+n,+n,-n),r(i,t,+n,-n,+n),r(i,t,+n,-n,-n),r(i,t,-n,+n,+n),r(i,t,-n,+n,-n),r(i,t,-n,-n,+n),r(i,t,-n,-n,-n),i.AddConvexPolygon([0,1,5,4]),i.AddConvexPolygon([0,2,3,1]),i.AddConvexPolygon([0,4,6,2]),i.AddConvexPolygon([1,3,7,5]),i.AddConvexPolygon([2,6,7,3]),i.AddConvexPolygon([4,5,7,6])}else if(e==="octahedron"){let n=1,o=0;r(i,t,+n,+o,+o),r(i,t,-n,+o,+o),r(i,t,+o,+n,+o),r(i,t,+o,-n,+o),r(i,t,+o,+o,+n),r(i,t,+o,+o,-n),i.AddTriangle(0,2,4),i.AddTriangle(0,3,5),i.AddTriangle(0,4,3),i.AddTriangle(0,5,2),i.AddTriangle(1,2,5),i.AddTriangle(1,3,4),i.AddTriangle(1,4,2),i.AddTriangle(1,5,3)}else if(e==="dodecahedron"){let n=1,o=0,l=(1+Math.sqrt(5))/2,a=1/l;r(i,t,+n,+n,+n),r(i,t,+n,+n,-n),r(i,t,+n,-n,+n),r(i,t,-n,+n,+n),r(i,t,+n,-n,-n),r(i,t,-n,+n,-n),r(i,t,-n,-n,+n),r(i,t,-n,-n,-n),r(i,t,+o,+a,+l),r(i,t,+o,+a,-l),r(i,t,+o,-a,+l),r(i,t,+o,-a,-l),r(i,t,+a,+l,+o),r(i,t,+a,-l,+o),r(i,t,-a,+l,+o),r(i,t,-a,-l,+o),r(i,t,+l,+o,+a),r(i,t,-l,+o,+a),r(i,t,+l,+o,-a),r(i,t,-l,+o,-a),i.AddConvexPolygon([0,8,10,2,16]),i.AddConvexPolygon([0,16,18,1,12]),i.AddConvexPolygon([0,12,14,3,8]),i.AddConvexPolygon([1,9,5,14,12]),i.AddConvexPolygon([1,18,4,11,9]),i.AddConvexPolygon([2,10,6,15,13]),i.AddConvexPolygon([2,13,4,18,16]),i.AddConvexPolygon([3,14,5,19,17]),i.AddConvexPolygon([3,17,6,10,8]),i.AddConvexPolygon([4,13,15,7,11]),i.AddConvexPolygon([5,9,11,7,19]),i.AddConvexPolygon([6,17,19,7,15])}else if(e==="icosahedron"){let n=1,o=0,l=(1+Math.sqrt(5))/2;r(i,t,+o,+n,+l),r(i,t,+o,+n,-l),r(i,t,+o,-n,+l),r(i,t,+o,-n,-l),r(i,t,+n,+l,+o),r(i,t,+n,-l,+o),r(i,t,-n,+l,+o),r(i,t,-n,-l,+o),r(i,t,+l,+o,+n),r(i,t,+l,+o,-n),r(i,t,-l,+o,+n),r(i,t,-l,+o,-n),i.AddTriangle(0,2,8),i.AddTriangle(0,4,6),i.AddTriangle(0,6,10),i.AddTriangle(0,8,4),i.AddTriangle(0,10,2),i.AddTriangle(1,3,11),i.AddTriangle(1,4,9),i.AddTriangle(1,6,4),i.AddTriangle(1,9,3),i.AddTriangle(1,11,6),i.AddTriangle(2,5,8),i.AddTriangle(2,7,5),i.AddTriangle(2,10,7),i.AddTriangle(3,5,7),i.AddTriangle(3,7,11),i.AddTriangle(3,9,5),i.AddTriangle(4,8,9),i.AddTriangle(5,9,8),i.AddTriangle(6,11,10),i.AddTriangle(7,10,11)}return i.GetMesh()}var sr=class extends z{constructor(){super()}CanImportExtension(e){return e==="o3dv"}GetUpDirection(){return S.Z}ClearContent(){}ResetContent(){}ImportContent(e,t){let r=J(e),i=JSON.parse(r);if(i.root===void 0){t();return}if(i.materials!==void 0)for(let o=0;o<i.materials.length;o++){let l=i.materials[o];this.ImportMaterial(l)}if(i.meshes!==void 0)for(let o=0;o<i.meshes.length;o++){let l=i.meshes[o];this.ImportMesh(l)}let n=i.nodes[i.root];this.ImportNode(i,n,this.model.GetRootNode()),this.ImportProperties(this.model,i),t()}ImportMaterial(e){let t=new We;t.color.Set(255,255,255),e.name!==void 0&&(t.name=e.name),e.color!==void 0&&(t.color=Vr(e.color)),t.metalness=be(e.metalness,0),t.roughness=be(e.roughness,1),this.model.AddMaterial(t)}ImportMesh(e){let t=new Nt;e.name!==void 0&&t.SetName(e.name),e.material!==void 0&&t.SetMaterial(e.material);let r=e.parameters;if(r===void 0)return;let i=null;if(e.type==="cuboid"){if(r.size_x===void 0||r.size_y===void 0||r.size_z===void 0)return;i=ti(t,r.size_x,r.size_y,r.size_z)}else if(e.type==="cylinder"){if(r.radius===void 0||r.height===void 0)return;let n=be(r.segments,25),o=be(r.smooth,!0);i=ri(t,r.radius,r.height,n,o)}else if(e.type==="cone"){if(r.top_radius===void 0||r.bottom_radius===void 0||r.height===void 0)return;let n=be(r.segments,25),o=be(r.smooth,!0);i=or(t,r.top_radius,r.bottom_radius,r.height,n,o)}else if(e.type==="sphere"){if(r.radius===void 0)return;let n=be(r.segments,20),o=be(r.smooth,!0);i=ii(t,r.radius,n,o)}else if(e.type==="platonic"){if(r.solid_type===void 0)return;let n=be(r.radius,1);i=ni(t,r.solid_type,n)}i!==null&&(this.ImportProperties(i,e),this.model.AddMesh(i))}ImportNode(e,t,r){if(t.name!==void 0&&r.SetName(t.name),t.transformation!==void 0){let i=this.GetTransformation(t.transformation);r.SetTransformation(i)}if(t.children!==void 0)for(let i of t.children){let n=e.nodes[i],o=new ue;r.AddChildNode(o),this.ImportNode(e,n,o)}t.mesh!==void 0&&((t.children===void 0||t.children.length===0)&&r.SetType(Me.MeshNode),r.AddMeshIndex(t.mesh))}ImportProperties(e,t){if(t.properties!==void 0){let r=new me("Properties");e.AddPropertyGroup(r);for(let i of t.properties){let n=new re(se.Text,i.name,i.value);r.AddProperty(n)}}}GetTransformation(e){let t=new y(0,0,0),r=new oe(0,0,0,1),i=new y(1,1,1);e.translation!==void 0&&(t=Re(e.translation)),e.rotation!==void 0&&(r=$e(e.rotation)),e.scale!==void 0&&(i=Re(e.scale));let n=new O().ComposeTRS(t,r,i);return new H(n)}};var gn=class{constructor(e){this.mesh=e,this.globalToMeshVertices=new Map,this.globalToMeshVertexColors=new Map,this.globalToMeshNormals=new Map,this.globalToMeshUvs=new Map}AddVertex(e,t){return this.GetLocalIndex(e,t,this.globalToMeshVertices,r=>this.mesh.AddVertex(new y(r.x,r.y,r.z)))}AddVertexColor(e,t){return this.GetLocalIndex(e,t,this.globalToMeshVertexColors,r=>this.mesh.AddVertexColor(new R(r.r,r.g,r.b)))}AddNormal(e,t){return this.GetLocalIndex(e,t,this.globalToMeshNormals,r=>this.mesh.AddNormal(new y(r.x,r.y,r.z)))}AddUV(e,t){return this.GetLocalIndex(e,t,this.globalToMeshUvs,r=>this.mesh.AddTextureUV(new N(r.x,r.y)))}AddTriangle(e){this.mesh.AddTriangle(e)}GetLocalIndex(e,t,r,i){if(isNaN(e)||e<0||e>=t.length)return null;if(r.has(e))return r.get(e);{let n=t[e],o=i(n);return r.set(e,o),o}}};function oi(s,e,t){return ge(parseFloat(s),parseFloat(e),parseFloat(t))}var lr=class extends z{constructor(){super()}CanImportExtension(e){return e==="obj"}GetUpDirection(){return S.Y}ClearContent(){this.globalVertices=null,this.globalVertexColors=null,this.globalNormals=null,this.globalUvs=null,this.currentMeshConverter=null,this.currentMaterial=null,this.currentMaterialIndex=null,this.meshNameToConverter=null,this.materialNameToIndex=null}ResetContent(){this.globalVertices=[],this.globalVertexColors=[],this.globalNormals=[],this.globalUvs=[],this.currentMeshConverter=null,this.currentMaterial=null,this.currentMaterialIndex=null,this.meshNameToConverter=new Map,this.materialNameToIndex=new Map}ImportContent(e,t){let r=J(e);ve(r,i=>{this.WasError()||this.ProcessLine(i)}),t()}ProcessLine(e){if(e[0]==="#")return;let t=Fe(e,"#");if(t.length===0)return;let r=t[0].toLowerCase();t.shift(),!this.ProcessMeshParameter(r,t,e)&&this.ProcessMaterialParameter(r,t,e)}AddNewMesh(e){if(this.meshNameToConverter.has(e))this.currentMeshConverter=this.meshNameToConverter.get(e);else{let t=new k;t.SetName(e),this.model.AddMeshToRootNode(t),this.currentMeshConverter=new gn(t),this.meshNameToConverter.set(e,this.currentMeshConverter)}}ProcessMeshParameter(e,t,r){if(e==="g"||e==="o"){if(t.length===0)return!0;let i=ze(r,e.length,"#");return this.AddNewMesh(i),!0}else{if(e==="v")return t.length<3||(this.globalVertices.push(new y(parseFloat(t[0]),parseFloat(t[1]),parseFloat(t[2]))),t.length>=6&&this.globalVertexColors.push(oi(t[3],t[4],t[5]))),!0;if(e==="vn")return t.length<3||this.globalNormals.push(new y(parseFloat(t[0]),parseFloat(t[1]),parseFloat(t[2]))),!0;if(e==="vt")return t.length<2||this.globalUvs.push(new N(parseFloat(t[0]),parseFloat(t[1]))),!0;if(e==="f")return t.length<3||this.ProcessFace(t),!0}return!1}ProcessMaterialParameter(e,t,r){function i(n,o,l){let a=new Ce,u=ze(o,n.length,"#"),h=l.getTextureBuffer(u);return a.name=u,h!==null&&(a.url=h.url,a.buffer=h.buffer),a}if(e==="newmtl"){if(t.length===0)return!0;let n=new j,o=ze(r,e.length,"#"),l=this.model.AddMaterial(n);return n.name=o,this.currentMaterial=n,this.materialNameToIndex.set(o,l),!0}else if(e==="usemtl"){if(t.length===0)return!0;let n=ze(r,e.length,"#");return this.materialNameToIndex.has(n)&&(this.currentMaterialIndex=this.materialNameToIndex.get(n)),!0}else if(e==="mtllib"){if(t.length===0)return!0;let n=ze(r,e.length,"#"),o=this.callbacks.getFileBuffer(n);if(o!==null){let l=J(o);ve(l,a=>{this.WasError()||this.ProcessLine(a)})}return!0}else{if(e==="map_kd")return this.currentMaterial===null||t.length===0||(this.currentMaterial.diffuseMap=i(e,r,this.callbacks),ie(this.currentMaterial)),!0;if(e==="map_ks")return this.currentMaterial===null||t.length===0||(this.currentMaterial.specularMap=i(e,r,this.callbacks)),!0;if(e==="map_bump"||e==="bump")return this.currentMaterial===null||t.length===0||(this.currentMaterial.bumpMap=i(e,r,this.callbacks)),!0;if(e==="ka")return this.currentMaterial===null||t.length<3||(this.currentMaterial.ambient=oi(t[0],t[1],t[2])),!0;if(e==="kd")return this.currentMaterial===null||t.length<3||(this.currentMaterial.color=oi(t[0],t[1],t[2])),!0;if(e==="ks")return this.currentMaterial===null||t.length<3||(this.currentMaterial.specular=oi(t[0],t[1],t[2])),!0;if(e==="ns")return this.currentMaterial===null||t.length<1||(this.currentMaterial.shininess=parseFloat(t[0])/1e3),!0;if(e==="tr")return this.currentMaterial===null||t.length<1||(this.currentMaterial.opacity=1-parseFloat(t[0]),ie(this.currentMaterial)),!0;if(e==="d")return this.currentMaterial===null||t.length<1||(this.currentMaterial.opacity=parseFloat(t[0]),ie(this.currentMaterial)),!0}return!1}ProcessFace(e){function t(l,a){return l>0?l-1:a+l}let r=[],i=[],n=[],o=[];for(let l=0;l<e.length;l++){let a=e[l].split("/");r.push(t(parseInt(a[0],10),this.globalVertices.length)),this.globalVertices.length===this.globalVertexColors.length&&i.push(t(parseInt(a[0],10),this.globalVertices.length)),a.length>1&&a[1].length>0&&o.push(t(parseInt(a[1],10),this.globalUvs.length)),a.length>2&&a[2].length>0&&n.push(t(parseInt(a[2],10),this.globalNormals.length))}this.currentMeshConverter===null&&this.AddNewMesh("");for(let l=0;l<r.length-2;l++){let a=this.currentMeshConverter.AddVertex(r[0],this.globalVertices),u=this.currentMeshConverter.AddVertex(r[l+1],this.globalVertices),h=this.currentMeshConverter.AddVertex(r[l+2],this.globalVertices);if(a===null||u===null||h===null){this.SetError("Invalid vertex index.");break}let f=new U(a,u,h);if(i.length===r.length){let d=this.currentMeshConverter.AddVertexColor(i[0],this.globalVertexColors),c=this.currentMeshConverter.AddVertexColor(i[l+1],this.globalVertexColors),p=this.currentMeshConverter.AddVertexColor(i[l+2],this.globalVertexColors);if(d===null||c===null||p===null){this.SetError("Invalid vertex color index.");break}f.SetVertexColors(d,c,p)}if(n.length===r.length){let d=this.currentMeshConverter.AddNormal(n[0],this.globalNormals),c=this.currentMeshConverter.AddNormal(n[l+1],this.globalNormals),p=this.currentMeshConverter.AddNormal(n[l+2],this.globalNormals);if(d===null||c===null||p===null){this.SetError("Invalid normal index.");break}f.SetNormals(d,c,p)}if(o.length===r.length){let d=this.currentMeshConverter.AddUV(o[0],this.globalUvs),c=this.currentMeshConverter.AddUV(o[l+1],this.globalUvs),p=this.currentMeshConverter.AddUV(o[l+2],this.globalUvs);if(d===null||c===null||p===null){this.SetError("Invalid uv index.");break}f.SetTextureUVs(d,c,p)}this.currentMaterialIndex!==null&&(f.mat=this.currentMaterialIndex),this.currentMeshConverter.AddTriangle(f)}}};var ar=class extends z{constructor(){super()}CanImportExtension(e){return e==="off"}GetUpDirection(){return S.Y}ClearContent(){this.mesh=null,this.status=null}ResetContent(){this.mesh=new k,this.model.AddMeshToRootNode(this.mesh),this.status={vertexCount:0,faceCount:0,foundVertex:0,foundFace:0}}ImportContent(e,t){let r=J(e);ve(r,i=>{this.WasError()||this.ProcessLine(i)}),t()}ProcessLine(e){if(e[0]==="#")return;let t=Fe(e,"#");if(t.length!==0&&t[0]!=="OFF"){if(this.status.vertexCount===0&&this.status.faceCount===0){t.length>1&&(this.status.vertexCount=parseInt(t[0],10),this.status.faceCount=parseInt(t[1],10));return}if(this.status.foundVertex<this.status.vertexCount){t.length>=3&&(this.mesh.AddVertex(new y(parseFloat(t[0]),parseFloat(t[1]),parseFloat(t[2]))),this.status.foundVertex+=1);return}if(this.status.foundFace<this.status.faceCount){if(t.length>=4){let r=parseInt(t[0],10);if(t.length<r+1)return;for(let i=0;i<r-2;i++){let n=parseInt(t[1]),o=parseInt(t[i+2]),l=parseInt(t[i+3]),a=new U(n,o,l);this.mesh.AddTriangle(a)}this.status.foundFace+=1}return}}}};var rt={Ok:1,NoVertices:2,NoFaces:3,UnknownError:4},Cn=class{constructor(){this.format=null,this.elements=[]}SetFormat(e){this.format=e}AddElement(e,t){this.elements.push({name:e,count:t,format:[]})}GetElements(){return this.elements}AddSingleFormat(e,t){this.elements[this.elements.length-1].format.push({name:t,isSingle:!0,elemType:e})}AddListFormat(e,t,r){this.elements[this.elements.length-1].format.push({name:r,isSingle:!1,countType:e,elemType:t})}GetElement(e){for(let t=0;t<this.elements.length;t++){let r=this.elements[t];if(r.name===e)return r}return null}Check(){let 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r=-t.deltaY/40,i=.1;r<0&&(i=i*-1),this.Zoom(i),this.Update()}OnContextMenu(e){e.preventDefault(),this.clickDetector.IsClick()&&(this.Context(e.clientX,e.clientY),this.clickDetector.Cancel())}Orbit(e,t){let r=e*Je,i=t*Je,n=te(this.camera.center,this.camera.eye).Normalize(),o=Ge(n,this.camera.up).Normalize();if(this.fixUpVector){let a=Lr(n,this.camera.up)+i;Pr(a,0)&&Ct(a,Math.PI)&&this.camera.eye.Rotate(o,-i,this.camera.center),this.camera.eye.Rotate(this.camera.up,-r,this.camera.center)}else{let l=Ge(o,n).Normalize();this.camera.eye.Rotate(o,-i,this.camera.center),this.camera.eye.Rotate(l,-r,this.camera.center),this.camera.up=l}}Pan(e,t){let r=te(this.camera.center,this.camera.eye).Normalize(),i=Ge(r,this.camera.up).Normalize(),n=Ge(i,r).Normalize();this.camera.eye.Offset(i,-e),this.camera.center.Offset(i,-e),this.camera.eye.Offset(n,t),this.camera.center.Offset(n,t)}Zoom(e){let t=te(this.camera.center,this.camera.eye),i=t.Length()*e;this.camera.eye.Offset(t,i)}Update(){this.callbacks.onUpdate()}Click(e,t){this.onMouseClick&&this.onMouseClick(e,t)}Context(e,t){if(this.onContext){let r={x:e,y:t},i=Ye(this.canvas,e,t);this.onContext(r,i)}}};function Ii(s,e){function t(r,i){for(let n of r)n.polygonOffset=i,n.polygonOffsetUnit=1,n.polygonOffsetFactor=1}t(s.material,e),s.userData.threeMaterials&&t(s.userData.threeMaterials,e)}var Er=class{constructor(e){this.scene=e,this.mainObject=null,this.mainEdgeObject=null,this.edgeSettings={showEdges:!1,edgeColor:new R(0,0,0),edgeThreshold:1}}SetMainObject(e){this.mainObject=e,this.scene.add(this.mainObject),this.edgeSettings.showEdges&&this.GenerateMainEdgeObject()}UpdateWorldMatrix(){this.mainObject!==null&&this.mainObject.updateWorldMatrix(!0,!0)}SetEdgeSettings(e,t,r){let i=!1;if(e&&(!this.edgeSettings.showEdges||this.edgeSettings.edgeThreshold!==r)&&(i=!0),this.edgeSettings.showEdges=e,this.edgeSettings.edgeThreshold=r,this.edgeSettings.edgeColor=t,this.mainObject!==null)if(this.edgeSettings.showEdges)if(i)this.ClearMainEdgeObject(),this.GenerateMainEdgeObject();else{let n=ce(this.edgeSettings.edgeColor);this.EnumerateEdges(o=>{o.material.color=n})}else this.ClearMainEdgeObject()}GenerateMainEdgeObject(){let e=ce(this.edgeSettings.edgeColor);this.mainEdgeObject=new THREE.Object3D,this.UpdateWorldMatrix(),this.EnumerateMeshes(t=>{Ii(t,!0);let r=new THREE.EdgesGeometry(t.geometry,this.edgeSettings.edgeThreshold),i=new THREE.LineSegments(r,new THREE.LineBasicMaterial({color:e}));i.applyMatrix4(t.matrixWorld),i.userData=t.userData,i.visible=t.visible,this.mainEdgeObject.add(i)}),this.scene.add(this.mainEdgeObject)}GetBoundingBox(e){let t=!1,r=new THREE.Box3;return this.EnumerateMeshes(i=>{e(i.userData)&&(r.union(new THREE.Box3().setFromObject(i)),t=!0)}),t?r:null}GetBoundingSphere(e){let t=this.GetBoundingBox(e);if(t===null)return null;let r=new THREE.Sphere;return t.getBoundingSphere(r),r}Clear(){this.ClearMainObject(),this.ClearMainEdgeObject()}ClearMainObject(){this.mainObject!==null&&(this.EnumerateMeshes(e=>{e.geometry.dispose()}),this.scene.remove(this.mainObject),this.mainObject=null)}ClearMainEdgeObject(){this.mainEdgeObject!==null&&(this.EnumerateMeshes(e=>{Ii(e,!1)}),this.EnumerateEdges(e=>{e.geometry.dispose()}),this.scene.remove(this.mainEdgeObject),this.mainEdgeObject=null)}EnumerateMeshes(e){this.mainObject!==null&&this.mainObject.traverse(t=>{t.isMesh&&e(t)})}EnumerateEdges(e){this.mainEdgeObject!==null&&this.mainEdgeObject.traverse(t=>{t.isLineSegments&&e(t)})}GetMeshIntersectionUnderMouse(e,t,r,i){if(this.mainObject===null||e.x<0||e.x>r||e.y<0||e.y>i)return null;let n=new THREE.Raycaster,o=new THREE.Vector2;o.x=e.x/r*2-1,o.y=-(e.y/i)*2+1,n.setFromCamera(o,t);let l=n.intersectObject(this.mainObject,!0);for(let a=0;a<l.length;a++){let u=l[a];if(u.object.type==="Mesh"&&u.object.visible)return u}return null}},br=class{constructor(e){this.scene=e,this.mainObject=null}AddObject(e){this.mainObject===null&&(this.mainObject=new THREE.Object3D,this.scene.add(this.mainObject)),this.mainObject.add(e)}Clear(){this.mainObject!==null&&(this.mainObject.traverse(e=>{(e.isMesh||e.isLineSegments)&&e.geometry.dispose()}),this.scene.remove(this.mainObject),this.mainObject=null)}};function Mi(s){return s===S.X?new De(new y(2,-3,1.5),new y(0,0,0),new y(1,0,0)):s===S.Y?new De(new y(-1.5,2,3),new y(0,0,0),new y(0,1,0)):s===S.Z?new De(new y(-1.5,-3,2),new y(0,0,0),new y(0,0,1)):null}function Ei(s,e){if(!e(s))return!1;for(let t of s.children)if(!Ei(t,e))return!1;return!0}function zi(s){let e=null;return Ei(s,t=>{if(t.isMesh)for(let r of t.material)return r.type==="MeshPhongMaterial"?e=ae.Phong:r.type==="MeshStandardMaterial"&&(e=ae.Physical),!1;return!0}),e}var bi=class{constructor(){this.direction=S.Z,this.isFixed=!0,this.isFlipped=!1}SetDirection(e,t){this.direction=e,this.isFlipped=!1;let r=Mi(this.direction),i=te(r.eye,r.center),n=ye(t.center,t.eye),o=t.center.Clone().Offset(i,n),l=t.Clone();return this.direction===S.X?(l.up=new y(1,0,0),l.eye=o):this.direction===S.Y?(l.up=new y(0,1,0),l.eye=o):this.direction===S.Z&&(l.up=new y(0,0,1),l.eye=o),l}SetFixed(e,t){return this.isFixed=e,this.isFixed?this.SetDirection(this.direction,t):null}Flip(e){this.isFlipped=!this.isFlipped;let t=e.Clone();return t.up.MultiplyScalar(-1),t}},wi=class{constructor(e){this.scene=e,this.type=ae.Phong,this.ambientLight=new THREE.AmbientLight(8947848),this.directionalLight=new THREE.DirectionalLight(8947848),this.environment=null,this.backgroundIsEnvMap=!1,this.scene.add(this.ambientLight),this.scene.add(this.directionalLight)}SetType(e){this.type=e,this.UpdateShading()}UpdateShading(){this.type===ae.Phong?(this.ambientLight.color.set(8947848),this.directionalLight.color.set(8947848),this.scene.environment=null,this.scene.background=null):this.type===ae.Physical&&(this.ambientLight.color.set(0),this.directionalLight.color.set(5592405),this.scene.environment=this.environment,this.backgroundIsEnvMap?this.scene.background=this.environment:this.scene.background=null)}SetEnvironment(e,t,r){let i=new THREE.CubeTextureLoader;this.environment=i.load(e,()=>{r()}),this.backgroundIsEnvMap=t}UpdateByCamera(e){let t=te(e.eye,e.center);this.directionalLight.position.set(t.x,t.y,t.z)}CreateHighlightMaterial(e,t){let r=null;return this.type===ae.Phong?r=new THREE.MeshPhongMaterial({color:e,side:THREE.DoubleSide}):this.type===ae.Physical&&(r=new THREE.MeshStandardMaterial({color:e,side:THREE.DoubleSide})),r!==null&&t&&(r.polygonOffset=!0,r.polygonOffsetUnit=1,r.polygonOffsetFactor=1),r}},wr=class{constructor(){this.canvas=null,this.renderer=null,this.scene=null,this.geometry=null,this.extraGeometry=null,this.camera=null,this.shading=null,this.navigation=null,this.upVector=null,this.settings={animationSteps:40}}Init(e){this.canvas=e,this.canvas.id="viewer";let t={canvas:this.canvas,antialias:!0};this.renderer=new THREE.WebGLRenderer(t),window.devicePixelRatio&&this.renderer.setPixelRatio(window.devicePixelRatio),this.renderer.setClearColor("#ffffff",1),this.renderer.setSize(this.canvas.width,this.canvas.height),this.scene=new THREE.Scene,this.geometry=new Er(this.scene),this.extraGeometry=new br(this.scene),this.InitNavigation(),this.InitShading(),this.Render()}SetMouseClickHandler(e){this.navigation.SetMouseClickHandler(e)}SetMouseMoveHandler(e){this.navigation.SetMouseMoveHandler(e)}SetContextMenuHandler(e){this.navigation.SetContextMenuHandler(e)}SetEnvironmentMapSettings(e,t){this.shading.SetEnvironment(e,t,()=>{this.Render()}),this.shading.UpdateShading(),this.Render()}SetBackgroundColor(e){let t="#"+Ke(e);this.renderer.setClearColor(t,1),this.Render()}SetEdgeSettings(e,t,r){this.geometry.SetEdgeSettings(e,t,r),this.Render()}GetCanvas(){return this.canvas}GetCamera(){return this.navigation.GetCamera()}SetCamera(e){this.navigation.SetCamera(e),this.Render()}Resize(e,t){let r=xi(this.canvas,e,t);this.ResizeRenderer(r.width,r.height)}ResizeRenderer(e,t){window.devicePixelRatio&&this.renderer.setPixelRatio(window.devicePixelRatio),this.camera.aspect=e/t,this.camera.updateProjectionMatrix(),this.renderer.setSize(e,t),this.Render()}FitSphereToWindow(e,t){if(e===null)return;let r=new y(e.center.x,e.center.y,e.center.z),i=e.radius,n=this.camera.fov,o=this.navigation.GetFitToSphereCamera(r,i,n);this.navigation.MoveCamera(o,t?this.settings.animationSteps:0)}AdjustClippingPlanesToSphere(e){e!==null&&(e.radius<10?(this.camera.near=.01,this.camera.far=100):e.radius<100?(this.camera.near=.1,this.camera.far=1e3):e.radius<1e3?(this.camera.near=10,this.camera.far=1e4):(this.camera.near=100,this.camera.far=1e6),this.camera.updateProjectionMatrix(),this.Render())}IsFixUpVector(){return this.navigation.IsFixUpVector()}SetFixUpVector(e){let t=this.navigation.GetCamera(),r=this.upVector.SetFixed(e,t);this.navigation.SetFixUpVector(e),r!==null&&this.navigation.MoveCamera(r,this.settings.animationSteps),this.Render()}SetUpVector(e,t){let r=this.navigation.GetCamera(),i=this.upVector.SetDirection(e,r),n=t?this.settings.animationSteps:0;this.navigation.MoveCamera(i,n),this.Render()}FlipUpVector(){let e=this.navigation.GetCamera(),t=this.upVector.Flip(e);this.navigation.MoveCamera(t,0),this.Render()}Render(){let e=this.navigation.GetCamera();this.camera.position.set(e.eye.x,e.eye.y,e.eye.z),this.camera.up.set(e.up.x,e.up.y,e.up.z),this.camera.lookAt(new THREE.Vector3(e.center.x,e.center.y,e.center.z)),this.shading.UpdateByCamera(e),this.renderer.render(this.scene,this.camera)}SetMainObject(e){let t=zi(e);this.geometry.SetMainObject(e),this.shading.SetType(t),this.Render()}AddExtraObject(e){this.extraGeometry.AddObject(e),this.Render()}Clear(){this.geometry.Clear(),this.extraGeometry.Clear(),this.Render()}ClearExtra(){this.extraGeometry.Clear(),this.Render()}SetMeshesVisibility(e){this.geometry.EnumerateMeshes(t=>{let r=e(t.userData);t.visible!==r&&(t.visible=r)}),this.geometry.EnumerateEdges(t=>{let r=e(t.userData);t.visible!==r&&(t.visible=r)}),this.Render()}SetMeshesHighlight(e,t){function r(n,o){let l=[];for(let a=0;a<n.length;a++)l.push(o);return l}let i=this.CreateHighlightMaterial(e);this.geometry.EnumerateMeshes(n=>{t(n.userData)?n.userData.threeMaterials===null&&(n.userData.threeMaterials=n.material,n.material=r(n.material,i)):n.userData.threeMaterials!==null&&(n.material=n.userData.threeMaterials,n.userData.threeMaterials=null)}),this.Render()}CreateHighlightMaterial(e){let t=this.geometry.edgeSettings.showEdges;return this.shading.CreateHighlightMaterial(e,t)}GetMeshUserDataUnderMouse(e){let t=this.GetMeshIntersectionUnderMouse(e);return t===null?null:t.object.userData}GetMeshIntersectionUnderMouse(e){let t=this.GetCanvasSize(),r=this.geometry.GetMeshIntersectionUnderMouse(e,this.camera,t.width,t.height);return r===null?null:r}GetBoundingBox(e){return this.geometry.GetBoundingBox(e)}GetBoundingSphere(e){return this.geometry.GetBoundingSphere(e)}EnumerateMeshesUserData(e){this.geometry.EnumerateMeshes(t=>{e(t.userData)})}InitNavigation(){this.camera=new THREE.PerspectiveCamera(45,this.canvas.width/this.canvas.height,.1,1e3),this.scene.add(this.camera);let e=this.renderer.domElement,t=Mi(S.Z);this.navigation=new Mr(e,t,{onUpdate:()=>{this.Render()}}),this.upVector=new bi}InitShading(){this.shading=new wi(this.scene)}GetShadingType(){return this.shading.type}GetImageSize(){let e=new THREE.Vector2;return this.renderer.getSize(e),{width:parseInt(e.x,10),height:parseInt(e.y,10)}}GetCanvasSize(){let e=this.canvas.width,t=this.canvas.height;return window.devicePixelRatio&&(e/=window.devicePixelRatio,t/=window.devicePixelRatio),{width:e,height:t}}GetImageAsDataUrl(e,t){let r=this.GetImageSize(),i=e,n=t;window.devicePixelRatio&&(i/=window.devicePixelRatio,n/=window.devicePixelRatio),this.ResizeRenderer(i,n),this.Render();let o=this.renderer.domElement.toDataURL();return this.ResizeRenderer(r.width,r.height),o}};var Si=class{constructor(e,t){this.parentElement=e,this.parameters={},xt(t)&&(this.parameters=t),this.canvas=document.createElement("canvas"),this.parentElement.appendChild(this.canvas),this.viewer=new wr,this.viewer.Init(this.canvas);let r=this.parentElement.clientWidth,i=this.parentElement.clientHeight;if(this.viewer.Resize(r,i),this.parameters.backgroundColor&&this.viewer.SetBackgroundColor(this.parameters.backgroundColor),this.parameters.edgeSettings&&this.viewer.SetEdgeSettings(this.parameters.edgeSettings.showEdges,this.parameters.edgeSettings.edgeColor,this.parameters.edgeSettings.edgeThreshold),this.parameters.environmentSettings){let n=this.parameters.environmentSettings.environmentMap,o=this.parameters.environmentSettings.backgroundIsEnvMap;this.viewer.SetEnvironmentMapSettings(n,o)}window.addEventListener("resize",()=>{this.Resize()})}LoadModelFromUrls(e){if(this.viewer.Clear(),e===null||e.length===0)return null;Dr(e);let t=new gr;this.parameters.defaultColor&&(t.defaultColor=this.parameters.defaultColor);let r=null;new Ir().LoadModel(e,Z.Url,t,{onLoadStart:()=>{this.canvas.style.display="none",r=document.createElement("div"),r.innerHTML="Loading model...",this.parentElement.appendChild(r)},onImportStart:()=>{r.innerHTML="Importing model..."},onVisualizationStart:()=>{r.innerHTML="Visualizing model..."},onModelFinished:(n,o)=>{this.parentElement.removeChild(r),this.canvas.style.display="inherit",this.viewer.SetMainObject(o);let l=this.viewer.GetBoundingSphere(a=>!0);this.viewer.AdjustClippingPlanesToSphere(l),this.parameters.camera?this.viewer.SetCamera(this.parameters.camera):this.viewer.SetUpVector(S.Y,!1),this.viewer.FitSphereToWindow(l,!1)},onTextureLoaded:()=>{this.viewer.Render()},onLoadError:n=>{let o="Unknown error";n.code===_e.NoImportableFile?o="No importable file found":n.code===_e.FailedToLoadFile?o="Failed to load file for import.":n.code===_e.ImportFailed&&(o="Failed to import model."),n.message!==null&&(o+=" ("+n.message+")"),r.innerHTML=o}})}GetViewer(){return this.viewer}Resize(){let e=this.parentElement.clientWidth,t=this.parentElement.clientHeight;this.viewer.Resize(e,t)}};function _i(s,e,t){let r=new Si(s,t);return r.LoadModelFromUrls(e),r}function Vn(s){function e(r){let i=null,n=r.getAttribute("camera");n&&(i=K.StringToCamera(n));let o=null,l=r.getAttribute("backgroundcolor");l&&(o=K.StringToColor(l));let a=null,u=r.getAttribute("defaultcolor");u&&(a=K.StringToColor(u));let h=null,f=r.getAttribute("edgesettings");f&&(h=K.StringToEdgeSettings(f));let d=null,c=r.getAttribute("environmentmap");if(c){let x=c.split(",");if(x.length===6){let g=!1,C=r.getAttribute("environmentmapbg");C&&C==="true"&&(g=!0),d={environmentMap:x,backgroundIsEnvMap:g}}}let p=null,m=r.getAttribute("model");return m&&(p=K.StringToModelUrls(m)),_i(r,p,{camera:i,backgroundColor:o,defaultColor:a,edgeSettings:h,environmentSettings:d})}let t=[];window.addEventListener("load",()=>{let r=document.getElementsByClassName("online_3d_viewer");for(let i=0;i<r.length;i++){let n=r[i],o=e(n);t.push(o)}s?.(t)})}return _n(kn);})();