public static byte getID(int rgb)
			{
				if (rgb == GRASS_MAP.getRGB())
					{
						int rand = Tools.randInt(1, 4);
						switch (rand)
							{
							case (1):
								return GRASS_1;
							case (2):
								return GRASS_2;
							case (3):
								return GRASS_3;
							case (4):
								return GRASS_4;
							}
					}
				return VOID_TILE;
			}