playcanvas/build/playcanvas.prf/src/framework/handlers/gsplat.js

PlayCanvas WebGL game engine

import { path } from '../../core/path.js';
import { PlyParser } from '../parsers/ply.js';
import { ResourceHandler } from './handler.js';
import { SogsParser } from '../parsers/sogs.js';
import { SogBundleParser } from '../parsers/sog-bundle.js';
import { GSplatOctreeParser } from '../parsers/gsplat-octree.js';

class GSplatHandler extends ResourceHandler {
		constructor(app){
				super(app, 'gsplat');
				this.parsers = {
						ply: new PlyParser(app, 3),
						sog: new SogBundleParser(app),
						json: new SogsParser(app, 3),
						octree: new GSplatOctreeParser(app, 3)
				};
		}
		_getUrlWithoutParams(url) {
				return url.indexOf('?') >= 0 ? url.split('?')[0] : url;
		}
		_getParser(url) {
				const basename = path.getBasename(this._getUrlWithoutParams(url)).toLowerCase();
				if (basename === 'lod-meta.json') {
						return this.parsers.octree;
				}
				const ext = path.getExtension(basename).replace('.', '');
				return this.parsers[ext] || this.parsers.ply;
		}
		load(url, callback, asset) {
				if (typeof url === 'string') {
						url = {
								load: url,
								original: url
						};
				}
				this._getParser(url.original).load(url, callback, asset);
		}
		open(url, data, asset) {
				return data;
		}
}

export { GSplatHandler };