Map : ac_alcatraz

[Mr.Floppy]

...
the ducts on the ceiling, they're are all supposed to start from the power room. perhaps I acknowledge it's alil bit exaggerated in some rooms such as the cell room next to the powerromm. Colorful ceiling was intentionally done since the AC mapping restriction with the light codding of AC which makes it impossible to implement shadows on the ceiling.
...

Well, faking lightmaps/shaders by arranging different somewhat similiar textures on one item is quite a clever idea indeed. Never thought about that myself and when used in a more subtle fashion (ac_complex) I've always considered it to be texture mismatches, to be honest. Dear god, after all those years... :)