Baystation12/Baystation12 — pull request #4309 by LBraindead (2014-01-18 00:12:01+00:00)
Title: adding support for multi-z level stations (attempt 2)

included features:

z-1 rendering
ZAS functional
atmospiping with construction
disposalspiping with construction
cables with construction
stairs and ladders (indestructible and not buildable for now)
z-level movement by jetpack
explosions propagating accross z-levels