@arcgis/core/views/2d/layers/features/RenderState.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import e from"../../../../core/CircularArray.js";import t from"../../../../core/Error.js";import has from"../../../../core/has.js";import i from"../../../../core/Logger.js";import{create as s}from"../../../../geometry/support/aaBoundingRect.js";import"../../tiling/TileInfoView.js";import r from"../../tiling/TileKey.js";import"../../tiling/TileQueue.js";import"../../tiling/TileStrategy.js";import{FeatureTile as n}from"../../engine/webgl/FeatureTile.js";const o=1e3;class d{constructor(t,i,s,r,n,d){this.getStage=t,this.getSubscriptionVersion=i,this.version=s,this._fader=r,this._container=n,this._tileInfoView=d,this._pendingUpdates=new e(o),this._locked=!1,this._tiles=new Map}destroy(){for(const e of this.tiles())this._fader.unregisterFeatureTile(e),e.destroy();this._pendingUpdates.clear(),this._tiles.clear(),this._container=null,this._fader=null}tiles(){return this._tiles.values()}size(){return this._tiles.size}get usedMemory(){let e=0;for(const t of this._tiles.values())e+=t.usedMemory;for(const t of this._pendingUpdates.entries)t&&(e+=l(t.inner));return e}get requiresRefresh(){for(const e of this._tiles.values())if(e.requiresRefresh)return!0;return!1}getTile(e){return this._tiles.get(e)}setTiles(e){this._tiles.clear();for(const t of e)this._tiles.set(t.key.id,t)}lockUploads(){this._locked=!0}unlockUploads(){this._locked=!1,this.flush()}enqueueUpdate(e){this._pendingUpdates.enqueue(e)}update(e){if(!this._locked)for(;this._pendingUpdates.size;){const t=this._pendingUpdates.peek();if(null==t||t.inner.attributeEpoch>e)break;this._updateTile(t),this._pendingUpdates.dequeue()}}removeTile(e){const t=this._tiles.get(e);has("esri-2d-update-debug")&&console.debug(`Tile[${e}] RenderState.removeTile`),t&&(this._fader.unregisterFeatureTile(t),t.destroy()),this._tiles.delete(e)}isTileDone(e){const t=this._tiles.get(e.id);return!!t&&(t.isReady&&t.decluttered)}flush(){for(;this._pendingUpdates.size;){const e=this._pendingUpdates.dequeue();null!=e&&this._updateTile(e)}for(const e of this._tiles.values())e.upload()}_updateTile(e){const{inner:t,objectIdMap:i}=e,s=this.getSubscriptionVersion(t.id);if(s!==t.subscriptionVesrion){if(has("esri-2d-update-debug")){const e=`${t.subscriptionVesrion} != ${s}`;console.debug(`Version[${e}] Tile[${t.id}] FeatureContainer - Dropping message, outdated version]`,t)}return}if(has("esri-2d-update-debug")){const e=t.debugInfo?.chunkId??"<EnsureEnd>";console.debug(`Version[${t.version}] Tile[${t.id}] Chunk[${e}] RenderState.updateTile [${t.type}]`,t)}const r=this._ensureTile(t.id);if("update"===t.type){const[e,...s]=t.modify;r.onMessage({type:"update",modify:e,remove:t.remove,end:t.end,attributeEpoch:t.attributeEpoch,objectIdMap:i});for(const r of s){const e=this._tiles.get(r.tileId);e&&e.onMessage({type:"update",modify:r,remove:t.remove,end:!1,isPixelBuffer:!0,attributeEpoch:null,objectIdMap:i})}return}if(null==t.append)return void r.onMessage({type:"append",clear:t.clear,debugInfo:t.debugInfo,end:t.end,attributeEpoch:t.attributeEpoch,objectIdMap:i});const[n,...o]=t.append;r.onMessage({type:"append",clear:t.clear,append:n,debugInfo:t.debugInfo,end:t.end,attributeEpoch:t.attributeEpoch,objectIdMap:i});for(const d of o){const e=this._tiles.get(d.tileId);e&&e.onMessage({type:"update",modify:d,remove:[],sort:!1,end:!1,isPixelBuffer:!0,attributeEpoch:null,objectIdMap:i})}}_ensureTile(e){if(!this._tiles.has(e)){const t=this._createTile(e);this._copyPixelBufferedEntitiesInto(t),this._tiles.set(e,t)}return this._tiles.get(e)}_createTile(e){has("esri-2d-update-debug")&&console.debug(`Version[${this.version}] Tile[${e}] RenderState.createTile`);const o=new r(e),d=this._tileInfoView.getTileBounds(s(),o),l=d[0],u=d[3],a=this._tileInfoView.getTileResolution(o.level),p=this._container.instanceStore.find(19)?.instanceId,c=new n(o,a,l,u,this._fader,p,!0);if(this._fader.registerFeatureTile(c),c.stage=this.getStage(),!c.stage){const e=new t("featurelayerview:webgl","Cannot create tile with empty stage");i.getLogger("esri.views.2d.layers.features.RenderState").error(e)}return c}_copyPixelBufferedEntitiesInto(e){let t=7;const i=this._tileInfoView.getLODInfoAt(e.key);for(let s=-1;s<=1;s++)for(let r=-1;r<=1;r++){if(0===s&&0===r)continue;const n=e.key.getNormalizedNeighbor(r,s,i).id,o=this._tiles.get(n);if(null!=o){const i=1<<t;e.copyPixelBufferedEntitesFrom(o,i,r,s)}t--}}}function l(e){switch(e.type){case"update":return e.modify.reduce((e,t)=>e+u(t),0);case"append":return e.append?e.append.reduce((e,t)=>e+u(t),0):0}}function u(e){return e.entities.byteLength+e.data.reduce((e,t)=>e+a(t),0)}function a(e){return e.indices.byteLength+e.vertices.byteLength+(e.metrics?.byteLength??0)}export{d as RenderState};