code/__HELPERS/atoms.dm 
| /proc/is_location_within_transition_boundaries | Proc that returns if selected loc, or atom is within boundaries of playable area. (non-transitional space) |
|---|---|
| /proc/checkpass | Checks if mover is movable atom and has passed pass_flags. |
| /proc/get_nested_locs | Returns a list of all locations (except the area) the movable is within. |