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

Open-source WebGL/WebGPU 3D engine for the web

import { path } from "../../core/path.js";
import { PlyParser } from "../parsers/ply.js";
import { ResourceHandler } from "./handler.js";
import { SogParser } from "../parsers/sog.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 SogParser(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
};