initialMap = TGAImage.read(getClass().getClassLoader().getResourceAsStream(initialMapFilename));
initialMapData = TextureIO.newTextureData(getClass().getClassLoader().getResourceAsStream(initialMapFilename), false, TextureIO.getFileSuffix(initialMapFilename));
  private void loadInitialTexture(String initialMapFilename) {    try {      initialMap = TGAImage.read(getClass().getClassLoader().getResourceAsStream(initialMapFilename));    } catch (IOException e) {      throw new GLException(e);    }    initialMapDimensions[0] = initialMap.getWidth();    initialMapDimensions[1] = initialMap.getHeight();  }