@arcgis/core/views/3d/layers/SceneLayerWorker.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.32/esri/copyright.txt for details.
*/
import{hasScaling as e}from"../../../core/mathUtils.js";import r from"../../../geometry/SpatialReference.js";import t from"../../../geometry/support/MeshGeoreferencedVertexSpace.js";import o from"../../../geometry/support/MeshLocalVertexSpace.js";import{b as n,n as s}from"../../../chunks/vec3.js";import{IndexType as i}from"../../../libs/i3s/enums.js";import{get as a}from"../../../libs/i3s/I3SModule.js";import{TransformedGeometry as f,TransformedData as c}from"./I3SMeshWorkerHandle.js";import{NodeIMModificationImpact as l}from"./i3s/I3SNode.js";async function u(e){E=await M();const r=[e.geometryBuffer];return{result:A(E,e,r),transferList:r}}async function m(e){E=await M();const r=[e.geometryBuffer],{geometryBuffer:t}=e,o=t.byteLength,n=E._malloc(o),s=new Uint8Array(E.HEAPU8.buffer,n,o);s.set(new Uint8Array(t));const i=E.dracoDecompressPointCloudData(n,s.byteLength);if(E._free(n),i.error.length>0)throw new Error(`i3s.wasm: ${i.error}`);const a=i.featureIds?.length>0?i.featureIds.slice():null,f=i.positions.slice();return a&&r.push(a.buffer),r.push(f.buffer),{result:{positions:f,featureIds:a},transferList:r}}async function y(e){await M(),S(e);const r={buffer:e.buffer};return{result:r,transferList:[r.buffer]}}async function p(e){await M(),j(e)}async function d(e){E=await M(),E.setLegacySchema(e.context,e.jsonSchema)}async function h(e){const{localMatrix:n,origin:s,positions:i,vertexSpace:a}=e,f=r.fromJSON(e.inSpatialReference),c=r.fromJSON(e.outSpatialReference);let l;const[{projectBuffer:u},{initializeProjection:m}]=await Promise.all([import("../../../geometry/projection/projectBuffer.js"),import("../../../geometry/projection.js")]);await m(f,c);const y=[0,0,0];if(!u(s,f,0,y,c,0))throw new Error("Failed to project");if("georeferenced"===a.type&&null==a.origin){if(l=new Float64Array(i.length),!u(i,f,0,l,c,0,l.length/3))throw new Error("Failed to project")}else{const e="georeferenced"===a.type?t.fromJSON(a):o.fromJSON(a),{projectMeshVertexPositions:r}=await import("../../../geometry/support/meshUtils/projectMeshVertexPositions.js"),s=r({vertexAttributes:{position:i},transform:n?{localMatrix:n}:void 0,vertexSpace:e,spatialReference:f},c);if(!s)throw new Error("Failed to project");l=s}const p=l.length,[d,h,b]=y;for(let r=0;r<p;r+=3)l[r]-=d,l[r+1]-=h,l[r+2]-=b;return{result:{projected:l,original:i,projectedOrigin:y},transferList:[l.buffer,i.buffer]}}async function b({normalMatrix:r,normals:t}){const o=new Float32Array(t.length);return n(o,t,r),e(r)&&s(o,o),{result:{transformed:o,original:t},transferList:[o.buffer,t.buffer]}}function g(e){x(e)}let w,E;function j(e){if(!E)return;const r=e.modifications,t=E._malloc(8*r.length),o=new Float64Array(E.HEAPU8.buffer,t,r.length);for(let n=0;n<r.length;++n)o[n]=r[n];E.setModifications(e.context,t,r.length,e.isGeodetic),E._free(t)}function A(e,r,t){const{context:o,globalTrafo:n,mbs:s,obbData:a,elevationOffset:l,geometryBuffer:u,geometryDescriptor:m,indexToVertexProjector:y,vertexToRenderProjector:p}=r,d=e._malloc(u.byteLength),h=33,b=e._malloc(h*Float64Array.BYTES_PER_ELEMENT),g=new Uint8Array(e.HEAPU8.buffer,d,u.byteLength);g.set(new Uint8Array(u));const w=new Float64Array(e.HEAPU8.buffer,b,h);_(w,[NaN,NaN,NaN]);let E=w.byteOffset+3*w.BYTES_PER_ELEMENT,j=new Float64Array(w.buffer,E);_(j,n),E+=16*w.BYTES_PER_ELEMENT,j=new Float64Array(w.buffer,E),_(j,s),E+=4*w.BYTES_PER_ELEMENT,a&&(j=new Float64Array(w.buffer,E),_(j,a));const A=m,L={isDraco:!1,isLegacy:!1,color:r.layouts.some((e=>e.some((e=>"color"===e.name)))),normal:r.needNormals&&r.layouts.some((e=>e.some((e=>"normalCompressed"===e.name)))),uv0:r.layouts.some((e=>e.some((e=>"uv0"===e.name)))),uvRegion:r.layouts.some((e=>e.some((e=>"uvRegion"===e.name)))),featureIndex:A.featureIndex},S=e.process(o,!!r.obbData,d,g.byteLength,A,L,b,l,y,p,r.normalReferenceFrame);if(e._free(b),e._free(d),S.error.length>0)throw new Error(`i3s.wasm: ${S.error}`);if(S.discarded)return null;const x=S.componentOffsets.length>0?S.componentOffsets.slice():null,P=S.featureIds.length>0?S.featureIds.slice():null,M=S.anchorIds.length>0?Array.from(S.anchorIds):null,N=S.anchors.length>0?Array.from(S.anchors):null,U=S.interleavedVertedData.slice().buffer,I=S.indicesType===i.Int16?new Uint16Array(S.indices.buffer,S.indices.byteOffset,S.indices.byteLength/2).slice():new Uint32Array(S.indices.buffer,S.indices.byteOffset,S.indices.byteLength/4).slice(),F=S.positions.slice(),{buffer:T,byteOffset:B,byteLength:O}=S.positionIndices,R=S.positionIndicesType===i.Int16?new Uint16Array(T,B,O/2).slice():new Uint32Array(T,B,O/4).slice(),v=new f(r.layouts[0],U,I,S.hasColors,S.hasModifications,{data:F,indices:R});return P&&t.push(P.buffer),x&&t.push(x.buffer),t.push(U),t.push(I.buffer),t.push(F.buffer),t.push(R.buffer),new c(x,P,M,N,v,n,S.obb)}function L(e){return 0===e?l.Unmodified:1===e?l.PotentiallyModified:2===e?l.Culled:l.Unknown}function S(e){if(!E)return;const{context:r,buffer:t}=e,o=E._malloc(t.byteLength),n=t.byteLength/Float64Array.BYTES_PER_ELEMENT,s=new Float64Array(E.HEAPU8.buffer,o,n),i=new Float64Array(t);s.set(i),E.filterOBBs(r,o,n),i.set(s),E._free(o)}function x(e){E&&0===E.destroy(e)&&(E=null)}function _(e,r){for(let t=0;t<r.length;++t)e[t]=r[t]}async function P(){E||await M()}async function M(){return E||(E=await(w??=a())),E}const N={transform:(e,r)=>E&&A(E,e,r),destroy:x};export{g as destroyContext,m as dracoDecompressPointCloudData,y as filterObbsForModifications,S as filterObbsForModificationsSync,P as initialize,L as interpretObbModificationResults,u as process,h as project,d as setLegacySchema,p as setModifications,j as setModificationsSync,N as test,b as transformNormals};