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

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

import { http } from '../../platform/net/http.js';
import { Template } from '../template.js';
import { ResourceHandler } from './handler.js';

class TemplateHandler extends ResourceHandler {
		load(url, callback) {
				if (typeof url === 'string') {
						url = {
								load: url,
								original: url
						};
				}
				const options = {
						retry: this.maxRetries > 0,
						maxRetries: this.maxRetries
				};
				http.get(url.load, options, (err, response)=>{
						if (err) {
								callback(`Error requesting template: ${url.original}`);
						} else {
								callback(err, response);
						}
				});
		}
		open(url, data) {
				return new Template(this._app, data);
		}
		openBinary(data) {
				this.decoder ?? (this.decoder = new TextDecoder('utf-8'));
				return new Template(this._app, JSON.parse(this.decoder.decode(data)));
		}
		patch(asset, registry) {
				if (!asset || !asset.resource || !asset.data || !asset.data.entities) {
						return;
				}
				const template = asset.resource;
				template.data = asset.data;
		}
		constructor(app){
				super(app, 'template'), this.decoder = null;
		}
}

export { TemplateHandler };