@inweb/viewer-three/plugins/loaders/IFCX/IFCXLoader.ts

JavaScript library for rendering CAD and BIM files in a browser using Three.js

///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002-2024, Open Design Alliance (the "Alliance").
// All rights reserved.
//
// This software and its documentation and related materials are owned by
// the Alliance. The software may only be incorporated into application
// programs owned by members of the Alliance, subject to a signed
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable
// trade secrets of the Alliance and its suppliers. The software is also
// protected by copyright law and international treaty provisions. Application
// programs incorporating this software must include the following statement
// with their copyright notices:
//
//   This application incorporates Open Design Alliance software pursuant to a
//   license agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2024 by Open Design Alliance.
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

import { FileLoader, Loader, Scene } from "three";
import { parse, clear } from "./render.js";

class IFCXLoader extends Loader<Scene> {
  override load(
    url: string,
    onLoad: (data: Scene) => void,
    onProgress?: (event: ProgressEvent) => void,
    onError?: (err: unknown) => void
  ) {
    const manager = this.manager;

    manager.itemStart(url);

    const _onLoad = (scene: Scene) => {
      onLoad(scene);
      manager.itemEnd(url);
    };

    const _onError = (e: unknown) => {
      if (onError) onError(e);
      else console.error(e);
      manager.itemError(url);
      manager.itemEnd(url);
    };

    const loader = new FileLoader(this.manager);

    loader.setPath(this.path);
    loader.setResponseType("json");
    loader.setRequestHeader(this.requestHeader);
    loader.setWithCredentials(this.withCredentials);

    loader.load(url, (json) => this.parse(json, _onLoad, _onError), onProgress, onError);
  }

  parse(json: any, onLoad: (scene: Scene) => void, onError: (err: unknown) => void) {
    parse(json)
      .then((scene: Scene) => onLoad(scene))
      .catch((err: unknown) => onError(err))
      .finally(() => clear());
  }
}

export { IFCXLoader };