r_dynamiclight

The r_dynamiclight turns dynamic lightning on or off.

Usage:
/seta r_dynamiclight 1
then do:
/vid_restart

Values: “1” (singlepass) or “2” (multipass)
Default: “1”

Note:
Setting r_dynamiclight to “1” it helps (increases) your FPS (Frames per Second), so you will be able to see the movement smother.
Example: a rocket passing near you and lights the objects around it or explosions that give light.