Shaders in Lights\
From Valve Developer Community
Revision as of 15:59, 13 February 2008 by Andreasen (Oops. Forgot to count them.)
Lights\ folder of
Source Materials.gcf contain shaders handling materials depicting lights and light fixtures:
$selfillum 1line plays an important role here, making every light material light up. The only exception is
flourescent001a.vmt, which is an unlit light fixture.