Thanks to our previous Source tutorials you may have created an excellent map, but without lighting your players are going to feel left in the dark.
There are a range of different entities responsible for providing illumination in the Source engine, and the number and complexity of options open to you depends on which game you are mapping for. This guide will begin with basic lighting for Half-Life 2 and other Source 2007 games, before shedding some light on more complicated techniques.
