-- direction defines
FORWARD = 0
BACKWARD = 1

-- size defines
SMALL = 0
MEDIUM = 1
LARGE = 2


-- types of guns
MACHINE_GUN = 0
LASER_GUN = 1
FLAME_GUN = 2

-- armor
LIGHT = 0
-- MEDIUM already defined as 1
HEAVY = 2

-- mine types
PROXIMITY = 0
TIMED = 1


-- nothing
NONE = -1

-- true/false
TRUE = 1
FALSE = 0