Foundation.steps legs removed, updated all models/colliders/gibs
Redesigned metal tier walls, incl. models/gibs/colliders
Removing unused roof models
Re-textured the corrugated_b set / updated building atlases
Standardised all building walls and floors thickness through a shared set of colliders on the 'usable' layer. Tier specific colliders are set to shootable, etc.
This should solve objects destroying on walls on upgrade and others
Working spiral stairs greybox for square and triangle blocks. Spiral stairs need two blocks to make one revolution, allowing half height.
Re-enabled stairs socket for spiral stairs to avoid plugging to walls and other sockets
Conditional models for spiral stairs landings