mdx-m3-viewer/src/parsers/w3x/wtg/trigger.js

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

import ECA from './eca';

/**
 * A GUI Trigger.
 */
export default class Trigger {
  /**
   *
   */
  constructor() {
    this.name = '';
    this.description = '';
    this.isComment = 0;
    this.isEnabled = 0;
    this.isCustom = 0;
    this.isInitiallyOff = 0;
    this.runOnInitialization = 0;
    this.category = 0;
    this.ecas = [];
  }

  /**
   * @param {BinaryStream} stream
   * @param {number} version
   * @param {TriggerData} triggerData
   */
  load(stream, version, triggerData) {
    this.name = stream.readUntilNull();
    this.description = stream.readUntilNull();

    if (version === 7) {
      this.isComment = stream.readInt32();
    }

    this.isEnabled = stream.readInt32();
    this.isCustomText = stream.readInt32();
    this.isInitiallyOff = stream.readInt32();
    this.runOnInitialization = stream.readInt32();
    this.category = stream.readInt32();

    for (let i = 0, l = stream.readUint32(); i < l; i++) {
      let eca = new ECA();

      eca.load(stream, version, false, triggerData);

      this.ecas[i] = eca;
    }
  }

  /**
   * @param {BinaryStream} stream
   * @param {number} version
   */
  save(stream, version) {
    stream.write(`${this.name}\0`);
    stream.write(`${this.description}\0`);

    if (version === 7) {
      stream.writeInt32(this.isComment);
    }

    stream.writeInt32(this.isEnabled);
    stream.writeInt32(this.isCustomText);
    stream.writeInt32(this.isInitiallyOff);
    stream.writeInt32(this.runOnInitialization);
    stream.writeInt32(this.category);
    stream.writeUint32(this.ecas.length);

    for (let eca of this.ecas) {
      eca.save(stream, version);
    }
  }

  /**
   * @param {number} version
   * @return {number}
   */
  getByteLength(version) {
    let size = 26 + this.name.length + this.description.length;

    if (version === 7) {
      size += 4;
    }

    for (let eca of this.ecas) {
      size += eca.getByteLength(version);
    }

    return size;
  }
}