First my Dirt3 Virieo entry that gives me alright stereo
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<profile game_name="DiRT 3" game_exe="dirt3_game.exe" game_type="601" separation="0.00344" convergence="5.5236" swap_eyes="false" yaw_multiplier="25" pitch_multiplier="25" roll_multiplier="1" /> <profile game_name="DiRT 3" game_exe="dirt3.exe" game_type="601" separation="0.00344" convergence="5.5236" swap_eyes="false" yaw_multiplier="25" pitch_multiplier="25" roll_multiplier="1" />
The Dirt2/3 etc FOV changer utility can be easily found via google, use it to set the FOV to 90.
When you start Virieo set it to Oculus Rift as normal, but with No Tracking.
Now for the OpenTrack part...
You can download the OpenTrack with Hydra at:
https://dl.dropboxusercontent.com/u/152 ... _hydra.zip
and without (just rotational tracking) at:
https://dl.dropboxusercontent.com/u/152 ... ntrack.zip
The only difference is the opentrack-tracker-rift.dll file (and the translational curves are fixed in the hydra one).
Now start OpenTrack, have the rift facing forwards and press start.
Take a hydra controller, and see if the position values change, if not put it back on the base and try the other controller. If neither does anything try pressing a button on a controller and repeat.
Now take the active hydra controller and strap it into the top strap of the Rift.
You'll notice if you go into the Hotkeys menu that I have centring bound to the 'end' key, you can change this to whatever you prefer.
Now put on your Rift, press the centre hotkey (end) and you're good to go.
Launch your game and if you notice the tracking is a bit funny just press the centre hotkey again, it'll pick it up even in game.
WARNING: Dirt3 has a very limited range of movement, small head movements are fine, but they don't let you move the head very far, rotational tracking is quite far left and right and up, but not very far down for some reason. Trying to look where the game won't let you is a good way to make yourself sick. Also I don't account for the fact that the Hydra isn't in the centre of your skull yet, so it's positional tracking is exaggerated a bit when you roll your head.