Space Station 13 - Nebula13 - Modules - Types

code/_helpers/game.dm

/proc/get_dist_3dDespite what the ref says, get_dist does not factor in the Z axis. This is just get_dist() but Z-aware.
/proc/get_surrounding_pressure_differentialGets the highest and lowest pressures from the tiles in cardinal directions around us, then checks the difference.