This is not by me, its made by SecureHD who working for shaders in many games, but i had to post his shader here...
Download:
https://www.dropbox.com/s/3iyi5bjnzj...shade.zip?dl=0
Instructions:
Install all the files inside the zip file to the game's installation folder.
(Works with mods and its expansion Team Sabre)
Screenshots (by SecureHD):
https://sfx.thelazy.net/games/preset/4201/ (scroll down to see it)