@arcgis/core/views/2d/engine/webgl/mesh/MultiTileMeshData.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import"../../../tiling/TileInfoView.js";import e from"../../../tiling/TileKey.js";import"../../../tiling/TileQueue.js";import"../../../tiling/TileStrategy.js";import{tileSize as s}from"../definitions.js";import{MeshData as t}from"./MeshData.js";const r=1,i=2,n=4,h=8,o=16,c=32,a=64,f=128;function l(e){switch(e){case r:case h:case c:return-1;case i:case a:return 0;case n:case o:case f:return 1}}function u(e){switch(e){case r:case i:case n:return-1;case h:case o:return 0;case c:case a:case f:return 1}}const m=r|h|c,_=n|o|f,d=r|i|n,p=c|a|f;class g{constructor(e,s,r,i,n=0){this.tileKey=e,this._bufferingEnabled=s,this._sizeHint=n,this._meshes={self:new t(this.id,this._sizeHint),neighbors:new Array},this._currentRecordOverlaps=0,this._currentEntityOverlaps=0;const h=i?1:0;this._copyBufferedDataIntoSelf=r&&this._bufferingEnabled&&e.level===h}get id(){return this.tileKey.id}get requiresRefresh(){return this._meshes.self.requiresRefresh||this._meshes.neighbors.some(e=>e.requiresRefresh)}set requiresRefresh(e){this._meshes.self.requiresRefresh=e}vertexStart(){return this._meshes.self.vertexStart()??0}vertexCount(){return this._meshes.self.vertexCount()}indexCount(){return this._meshes.self.indexCount()}indexEnsureSize(e){this._meshes.self.indexEnsureSize(e)}entityStart(e,s=e){this._currentEntityOverlaps=0,this._meshes.self.entityStart(e,s)}entityRecordCount(){return this._meshes.self.entityRecordCount()}entityEnd(){if(this._meshes.self.entityEnd(),this._bufferingEnabled){if(this._copyBufferedDataIntoSelf)return;for(let e=0;e<8;e++){const s=1<<e;!!(this._currentEntityOverlaps&s)&&this._meshes.neighbors[e].entityEnd()}}}recordStart(e,s,t){this._currentRecordOverlaps=0,this._meshes.self.recordStart(e,s,t)}recordEnd(e=0){const s=this._meshes.self.recordEnd(this._currentRecordOverlaps);return s&&0!==this._currentRecordOverlaps?(this._copyIntoNeighbors(),this._currentEntityOverlaps|=this._currentRecordOverlaps,!0):s}recordBounds(e,s,t,r){this._bufferingEnabled&&this._addOverlap(e,s,t,r)}recordCount(){return this._meshes.self.recordCount()}metricStart(e){this._meshes.self.metricStart(e)}metricBoxWrite(e){this._meshes.self.metricBoxWrite(e)}metricEnd(){this._meshes.self.metricEnd()}vertexWrite(e){this._meshes.self.vertexWrite(e)}vertexWriteF32(e){this._meshes.self.vertexWriteF32(e)}vertexWriteRegion(e){this._meshes.self.vertexWriteRegion(e)}indexWrite(e){this._meshes.self.indexWrite(e)}serialize(s){const t={message:[],transferList:[]},r=this._meshes.self.serialize();return t.message.push({tileId:this.tileKey.id,requiresRefresh:this.requiresRefresh,...r.message}),t.transferList.push(...r.transferList),this._meshes.neighbors.forEach((r,i)=>{const n=r.serialize(),h=1<<i,o=l(h),c=u(h),a=new e(this.tileKey).getNormalizedNeighbor(o,c,s);t.message.push({tileId:a.id,requiresRefresh:this.requiresRefresh,...n.message}),t.transferList.push(...n.transferList)}),t}_addOverlap(e,t,r,i){const n=Math.min(s/2,r),h=Math.min(s/2,i),o=255^((e<0+n?_:e>=s-n?m:_|m)|(t<0+h?p:t>=s-h?d:p|d));this._currentRecordOverlaps|=o}_copyIntoNeighbors(){for(let e=0;e<8;e++){const r=1<<e;if(!!(this._currentRecordOverlaps&r)){if(this._copyBufferedDataIntoSelf){const e=-l(r)*s,t=-u(r)*s;if(0!==t)continue;this._meshes.self.copyLast(e,t);continue}if(!this._meshes.neighbors[e]){const s=Math.floor(this._sizeHint/16);this._meshes.neighbors[e]=new t(r,s)}const i=this._meshes.neighbors[e],n=-l(r)*s,h=-u(r)*s;i.copyLastFrom(this._meshes.self,n,h)}}}}export{g as MultiTileMeshData};