code/datums/components/rotation.dm

ROTATION_REQUIRE_WRENCH	If an object needs to be rotated with a wrench
ROTATION_GHOSTS_ALLOWED	If ghosts can rotate an object (if the ghost config is enabled)
ROTATION_IGNORE_ANCHORED	If an object will ignore anchored for rotation (used for chairs)
ROTATION_NO_FLIPPING	If an object will omit flipping from rotation (used for pipes since they use custom handling)
ROTATION_NEEDS_ROOM	If an object needs to have an empty spot available in target direction (used for windoors and railings)
ROTATION_CLOCKWISE	Rotate an object clockwise
ROTATION_COUNTERCLOCKWISE	Rotate an object counterclockwise
ROTATION_FLIP	Rotate an object upside down

Define Details

Rotate an object clockwise

Rotate an object counterclockwise

Rotate an object upside down

If ghosts can rotate an object (if the ghost config is enabled)

If an object will ignore anchored for rotation (used for chairs)

If an object needs to have an empty spot available in target direction (used for windoors and railings)

If an object will omit flipping from rotation (used for pipes since they use custom handling)

If an object needs to be rotated with a wrench