@animech-public/playcanvas/build/playcanvas.dbg/src/framework/handlers/hierarchy.js

PlayCanvas WebGL game engine

import { SceneParser } from '../parsers/scene.js';
import { SceneUtils } from './scene-utils.js';
import { ResourceHandler } from './handler.js';

class HierarchyHandler extends ResourceHandler {
  /**
   * @param {import('../app-base').AppBase} app - The running {@link AppBase}.
   */
  constructor(app) {
    super(app, 'hierarchy');
  }
  load(url, callback) {
    SceneUtils.load(url, this.maxRetries, callback);
  }
  open(url, data) {
    // prevent script initialization until entire scene is open
    this._app.systems.script.preloading = true;
    const parser = new SceneParser(this._app, false);
    const parent = parser.parse(data);

    // re-enable script initialization
    this._app.systems.script.preloading = false;
    return parent;
  }
}

export { HierarchyHandler };