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

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

/**
 * A reference.
 */
export default class M3ParserReference {
  /**
   * @param {BinaryReader} reader
   * @param {Array<M3ParserIndexEntry>} index
   */
  constructor(reader, index) {
    /** @member {Array<M3ParserIndexEntry>} */
    this.index = index;
    /** @member {number} */
    this.entries = reader.readUint32();
    /** @member {number} */
    this.id = reader.readUint32();
    /** @member {number} */
    this.flags = reader.readUint32();
  }

  /**
   * Get the entries this index entry references.
   *
   * @return {Array<?>}
   */
  getAll() {
    let id = this.id;

    // For empty references (e.g. Layer.imagePath)
    if (id === 0 || this.entries === 0) {
      return [];
    }

    return this.index[id].entries;
  }

  /**
   * Get the first entry this index entry references.
   *
   * @return {?}
   */
  get() {
    return this.getAll()[0];
  }
}