mdx-m3-viewer/src/parsers/w3x/wct/customtexttrigger.js

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

/**
 * A custom text trigger.
 */
export default class CustomTextTrigger {
  /**
   *
   */
  constructor() {
    /** @member {string} */
    this.text = '';
  }

  /**
   * @param {BinaryStream} stream
   */
  load(stream) {
    let textLength = stream.readInt32();

    if (textLength) {
      this.text = stream.read(textLength - 1);
      stream.skip(1);
    }
  }

  /**
   * @param {BinaryStream} stream
   */
  save(stream) {
    let text = this.text;

    if (text.length) {
      stream.writeInt32(this.text.length + 1);
      stream.write(`${this.text}\0`);
    } else {
      stream.writeInt32(0);
    }
  }

  /**
   * @return {number}
   */
  getByteLength() {
    let size = 4;

    if (this.text.length) {
      size += this.text.length + 1;
    }

    return size;
  }
}