ClassifyActor

int ClassifyActor(int tid)

Checks the kind of thing tagged tid. It returns a set of flags, possibly combined:

ACTOR_PLAYER (2): it's player-controlled

ACTOR_VOODOODOLL (8): it's a duplicate player start, not controlled by the player but still linked to it. Used in Boom maps for advanced mapping tricks

ACTOR_MONSTER (16): it's a monster (has COUNTKILL or KILLABLE thing type flag set)

ACTOR_MISSILE (128): it's a projectile in flight (has MISSILE thing type flag set)

ACTOR_GENERIC (256): neither a monster, nor a projectile

ACTOR_ALIVE (32): has positive health

ACTOR_DEAD (64): has health <= 0

ACTOR_NONE (0): no thing found with this TID

ACTOR_WORLD (1): TID is 0 but activator isn't a thing