Half-Life 2 VR head and gun tracking mod for the Oculus Rift

I’ve added full head tracking and weapon tracking to Half-Life 2 in preparation for the Oculus Rift dev kit launch. Once the official rift apis are available I’ll integrate them, giving people ~70 hours of content (this also works for episode 1 2, the lost coast and tons of user generated maps, etc) that they can use to test out their Rift. This video shows a handful of scenes of me using the head and weapon tracking using two hillcrest trackers (the same ones that John Carmack used for the Doom 3