class GameMap {
  has Int $.x_dim;
  has Int $.y_dim;
  has Array[Array[Int]] @.map;


  method generate_new_empty_map() {
    my Array[Array[Int]] @t_map = [[]];
    for 0..$.x_dim -> $x_i {
      for 0..$.y_dim -> $y_i {
        @t_map[$x_i][$y_i] = 0;
      }
    }
    @!map = @t_map;
  }
}