shuttle_frame

Vars
adjacent_shuttles	A list of shuttles on tracking turfs, each associated with a list of which tracking turfs the shuttle overlaps
deferred_update_turfs	List of turfs to start the split check with (to avoid redundant flood fill checks)
possibly_valid_changing_turfs	Turfs that are changing, but shouldn't be removed from the frame immediately in case they are still valid frame turfs after the change
shuttle_covered_turfs	Turfs that are in our list of turfs, but also have had a shuttle land on them
shuttle_tracking_turfs	Turfs to check for the existence of shuttles - used for expanding custom shuttles
turfs	The turfs that are part of this frame

Var Details

A list of shuttles on tracking turfs, each associated with a list of which tracking turfs the shuttle overlaps

List of turfs to start the split check with (to avoid redundant flood fill checks)

Turfs that are changing, but shouldn't be removed from the frame immediately in case they are still valid frame turfs after the change

Turfs that are in our list of turfs, but also have had a shuttle land on them

Turfs to check for the existence of shuttles - used for expanding custom shuttles

The turfs that are part of this frame