mdx-m3-viewer/src/parsers/m3/model.js

A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.

import BinaryStream from '../../common/binarystream';
import M3ParserMd34 from './md34';
import M3ParserIndexEntry from './indexentry';

/**
 * A model.
 */
export default class Model {
  /**
   * @param {ArrayBuffer} src
   */
  constructor(src) {
    let reader = new BinaryStream(src);
    let header = new M3ParserMd34(reader);

    /** @member {Array<M3ParserIndexEntry>} */
    this.entries = [];
    /** @member {?ModelHeader} */
    this.model = null;

    if (header.tag === 'MD34') {
      reader.seek(header.offset);

      // Read the index entries
      for (let i = 0, l = header.entries; i < l; i++) {
        this.entries[i] = new M3ParserIndexEntry(reader, this.entries);
      }

      this.model = this.entries[header.model.id].entries[0];
    } else {
      throw new Error('WrongMagicNumber');
    }
  }
}