code/modules/events/immovable_rod/immovable_rod_event.dm

/datum/round_event_control/immovable_rod	Immovable rod random event. The rod will spawn at some location outside the station, and travel in a straight line to the opposite side of the station
/datum/event_admin_setup/set_location/immovable_rod	Admins can pick a spot the rod will aim for
/datum/event_admin_setup/question/immovable_rod	Admins can also force it to loop around forever, or at least until the RD gets their hands on it.