Activision, Raven Release 2 Star Wars Games Under GPL
hypnosec writes "Activision and Raven Software game studios have open sourced a couple of their games so that people can play as well learn from the code. The gaming companies have released the source code of Star Wars Jedi Knight: Jedi Academy and Jedi Outcast through SourceForge."
\code\game\q_math.cpp(545): i = 0x5f3759df - ( i >> 1 ); // what the fuck?
That''s part of the Quake III fast inverse square root.