In GZDoom:

How it looks in UDB:


This project is heavily WIP and I didn't want to upload it yet but I can't figure this out so here are links to the project, the map in question, and an extra utility wad that should loaded along side it in UDB but should be excluded from testing.
https://www.dropbox.com/scl/fi/wcbvp8ke ... 5gqok&dl=0 - Main Project PK3 (~113 MB)
https://www.dropbox.com/scl/fi/k6yj1fzw ... uqshi&dl=0 - Map
https://www.dropbox.com/scl/fi/bldiecxs ... uqbx6&dl=0 - Utility file to load with UDB (exclude this from testing)