$lightwarp difference between css and csgo

[kingkurtis-kk]

Describe the bug

"$lightwarptexture does not seem to exist at all for LightmappedGeneric in CS:GO engine branch"
Worth reading through the wiki but in short it's per texture colour correction via a texture so you can make a few different stylized looks with it
0.8.7

playtest

How To Reproduce

I'll include a bsp that's just the segment of the map from the screenshots as that shows the intentional colour banding the best

Issue Map

https://drive.google.com/file/d/1N0EItlMWpaPGUdQHqiG7YwoVlz7r_Ru5/view?usp=sharing

Expected Behavior

textures should have colour and a cell shaded aesthetic

Operating System

windows