@juun-roh/cesium-utils
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Utilities to handle Cesium classes easier.
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JavaScript
"use strict";var c=Object.defineProperty;var A=Object.getOwnPropertyDescriptor;var p=Object.getOwnPropertyNames;var y=Object.prototype.hasOwnProperty;var R=(a,r)=>{for(var e in r)c(a,e,{get:r[e],enumerable:!0})},C=(a,r,e,i)=>{if(r&&typeof r=="object"||typeof r=="function")for(let t of p(r))!y.call(a,t)&&t!==e&&c(a,t,{get:()=>r[t],enumerable:!(i=A(r,t))||i.enumerable});return a};var x=a=>C(c({},"__esModule",{value:!0}),a);var I={};R(I,{HybridTerrainProvider:()=>d,TerrainArea:()=>o,TerrainAreaCollection:()=>s,computeRectangle:()=>u});module.exports=x(I);var P=require("cesium");var _=require("cesium");var h=require("cesium");function u(a,r){if(r.size===0)return new h.Rectangle;let e=Number.POSITIVE_INFINITY,i=Number.POSITIVE_INFINITY,t=Number.NEGATIVE_INFINITY,n=Number.NEGATIVE_INFINITY,m=Array.from(r.keys()),l=Math.min(...m),v=r.get(l);if(v){let{start:T,end:g}=v,b=a.tileXYToRectangle(T.x,T.y,l),f=a.tileXYToRectangle(g.x,g.y,l);e=Math.min(b.west,e),i=Math.min(f.south,i),t=Math.max(f.east,t),n=Math.max(b.north,n)}return new h.Rectangle(e,i,t,n)}var o=class{_terrainProvider;_rectangle;_tileRanges;_ready=!1;_credit;_isCustom;constructor(r){this._terrainProvider=r.terrainProvider,this._tileRanges=r.tileRanges,this._credit=r.credit||"custom",this._isCustom=r.isCustom!==void 0?r.isCustom:!0,this._rectangle=u(r.terrainProvider.tilingScheme,r.tileRanges),r.tileRanges.forEach((e,i)=>{this._terrainProvider.availability?.addAvailableTileRange(i,e.start.x,e.start.y,e.end.x,e.end.y)}),this._ready=!0}contains(r,e,i){if(this._tileRanges.size===0||!this._tileRanges.has(i))return!1;let t=this._tileRanges.get(i);return r>=t.start.x&&r<=t.end.x&&e>=t.start.y&&e<=t.end.y}requestTileGeometry(r,e,i,t){if(!(!this._ready||!this.contains(r,e,i)))return this._terrainProvider.requestTileGeometry(r,e,i,t)}getTileDataAvailable(r,e,i){if(this._tileRanges.size===0||!this._tileRanges.has(i))return!1;let t=this._tileRanges.get(i);return r>=t.start.x&&r<=t.end.x&&e>=t.start.y&&e<=t.end.y}get isCustom(){return this._isCustom}get credit(){return this._credit}get terrainProvider(){return this._terrainProvider}get tileRanges(){return this._tileRanges}get rectangle(){return this._rectangle}get ready(){return this._ready}};(r=>{async function a(e,i,t){let n=t?.credit||"custom",m=await _.CesiumTerrainProvider.fromUrl(e,{...t,credit:n});return new r({terrainProvider:m,tileRanges:i,credit:n})}r.fromUrl=a})(o||={});var s=class extends Array{add(r){if(Array.isArray(r)){for(let i of r)this.add(i);return this.length}let e;return r instanceof o?e=r:e=new o(r),this.push(e)}remove(r){if(Array.isArray(r))return r.forEach(i=>this.remove(i)),this;let e=this.indexOf(r);return e>=0&&this.splice(e,1),this}removeAll(){this.length=0}};var d=class{_terrainAreas=new s;_terrainProvider;_fallbackProvider;_tilingScheme;_ready=!1;_availability;constructor(r){this._terrainProvider=r.terrainProvider,this._fallbackProvider=r.fallbackProvider||new P.EllipsoidTerrainProvider,this._tilingScheme=r.terrainProvider.tilingScheme,this._terrainAreas=new s(...r.terrainAreas),this._availability=r.terrainProvider.availability,this._ready=!0}get ready(){return this._ready}get tilingScheme(){return this._tilingScheme}get availability(){return this._availability}get terrainAreas(){return[...this._terrainAreas]}get defaultProvider(){return this._terrainProvider}get fallbackProvider(){return this._fallbackProvider}get credit(){return this._terrainProvider?.credit}get errorEvent(){return this._terrainProvider.errorEvent}get hasWaterMask(){return this._terrainProvider.hasWaterMask}get hasVertexNormals(){return this._terrainProvider.hasVertexNormals}loadTileDataAvailability(r,e,i){return this._terrainProvider.loadTileDataAvailability(r,e,i)}getLevelMaximumGeometricError(r){return this._terrainProvider.getLevelMaximumGeometricError(r)}requestTileGeometry(r,e,i,t){if(this._ready){for(let n of this._terrainAreas)if(n.contains(r,e,i))return n.requestTileGeometry(r,e,i,t);return this._terrainProvider.getTileDataAvailable(r,e,i)?this._terrainProvider.requestTileGeometry(r,e,i,t):this._fallbackProvider.requestTileGeometry(r,e,i,t)}}getTileDataAvailable(r,e,i){for(let t of this._terrainAreas)if(t.contains(r,e,i))return t.getTileDataAvailable(r,e,i);return this._terrainProvider.getTileDataAvailable(r,e,i)}};