96 lines
3.5 KiB
JavaScript
96 lines
3.5 KiB
JavaScript
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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import {pathFromCoords} from "../util/Utils";
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import {BufferGeometryLoader, FileLoader, Mesh, Material} from "three";
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import {PRBMLoader} from "./hires/PRBMLoader";
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export class TileLoader {
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/**
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* @param tilePath {string}
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* @param material {Material | Material[]}
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* @param tileSettings {{
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* tileSize: {x: number, z: number},
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* scale: {x: number, z: number},
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* translate: {x: number, z: number}
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* }}
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* @param loadBlocker {function: Promise}
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* @param tileCacheHash {number}
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*/
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constructor(tilePath, material, tileSettings, loadBlocker = () => Promise.resolve(), tileCacheHash = 0) {
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Object.defineProperty( this, 'isTileLoader', { value: true } );
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this.tilePath = tilePath;
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this.material = material;
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this.tileSettings = tileSettings;
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this.tileCacheHash = tileCacheHash;
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this.loadBlocker = loadBlocker;
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this.fileLoader = new FileLoader();
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this.fileLoader.setResponseType('arraybuffer');
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this.bufferGeometryLoader = new PRBMLoader();
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}
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load = (tileX, tileZ, cancelCheck = () => false) => {
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let tileUrl = this.tilePath + pathFromCoords(tileX, tileZ) + '.prbm';
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return new Promise((resolve, reject) => {
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this.fileLoader.load(tileUrl + '?' + this.tileCacheHash,
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async data => {
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await this.loadBlocker();
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if (cancelCheck()){
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reject({status: "cancelled"});
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return;
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}
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let geometry = this.bufferGeometryLoader.parse(data);
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let object = new Mesh(geometry, this.material);
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let tileSize = this.tileSettings.tileSize;
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let translate = this.tileSettings.translate;
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let scale = this.tileSettings.scale;
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object.position.set(tileX * tileSize.x + translate.x, 0, tileZ * tileSize.z + translate.z);
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object.scale.set(scale.x, 1, scale.z);
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object.userData.tileUrl = tileUrl;
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object.userData.tileType = "hires";
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object.updateMatrixWorld(true);
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resolve(object);
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},
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() => {},
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reject
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);
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});
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}
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}
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