#define MV_BIT_TURNING_RANDOM 16
/* values for custom move patterns */
-#define MV_HORIZONTAL (MV_LEFT | MV_RIGHT)
-#define MV_VERTICAL (MV_UP | MV_DOWN)
-#define MV_ALL_DIRECTIONS (MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)
-#define MV_ANY_DIRECTION (MV_ALL_DIRECTIONS)
#define MV_TOWARDS_PLAYER (1 << MV_BIT_TOWARDS_PLAYER)
#define MV_AWAY_FROM_PLAYER (1 << MV_BIT_AWAY_FROM_PLAYER)
#define MV_ALONG_LEFT_SIDE (1 << MV_BIT_ALONG_LEFT_SIDE)