Changes light fading contrast of specified textures to make them look darker. To use this entity, simply place it anywhere in your map, open its properties, disable smart edit mode when using Valve Hammer Editor and add custom keyvalues, whereas the key's name be the name of the texture to change light fading and the value be the scale. 1.0 is normal, higher values makes light fades faster from light sources, which generally darken lightning on that texture.