GENERIC = 0
PADDED_CELL = 1
ROOM = 2
BATH_ROOM = 3
LIVING_ROOM = 4
STONE_ROOM = 5
AUDITORIUM = 6
CONCERT_HALL = 7
CAVE = 8
ARENA = 9
HANGAR = 10
STONE_CORRIDOR = 11
ALLEY = 12
FOREST = 13
CITY = 14
MOUNTAINS = 15
QUARRY = 16
PLAIN = 17
PARKING_LOT = 18
SEWER_PIPE = 19
UNDER_WATER = 20