@Override
	public int radiatesFromDir(Room room, List<Room> rooms)
	{
		for(final Room R : rooms)
		{
			if(R==room)
				return -1;
			for(int d=Directions.NUM_DIRECTIONS()-1;d>=0;d--)
			{
				if(R.getRoomInDir(d)==room)
					return Directions.getOpDirectionCode(d);
			}
		}
		return -1;
	}