IEnumerator Initialize()
{
var error = EVRInitError.None;
// No need to initialize OpenVR until we have a valid session
while (!VarjoPlugin.SessionValid)
{
yield return(new WaitForSeconds(1.0f));
}
OpenVR.Init(ref error, EVRApplicationType.VRApplication_Background);
if (error != EVRInitError.None)
{
if (error == EVRInitError.Init_NoServerForBackgroundApp)
{
Debug.LogError("Failed to initialize OpenVR. OpenVR controllers will not work. Restart Unity Editor and try again.");
yield break;
}
else
{
Debug.LogWarning("Failed to initialize OpenVR. Entering into poll mode...");
do
{
OpenVR.Init(ref error, EVRApplicationType.VRApplication_Background);
yield return(new WaitForSeconds(3.0f));
} while (error != EVRInitError.None);
}
}
Debug.Log("Varjo_SteamVR_Manager initialized succesfully");
Varjo_SteamVR_Events.System(EVREventType.VREvent_Quit).Listen(OnQuit);
#if UNITY_2017_1_OR_NEWER
Application.onBeforeRender += OnBeforeRender;
#else
Camera.onPreCull += OnCameraPreCull;
#endif
// We should always use standing tracking with Varjo
TrackingSpace = ETrackingUniverseOrigin.TrackingUniverseStanding;
var vr = Varjo_SteamVR.instance;
if (vr == null)
{
enabled = false;
yield break;
}
}
void OnDisable()
{
StopAllCoroutines();
if (OpenVR.System == null)
{
return;
}
Varjo_SteamVR_Events.System(EVREventType.VREvent_Quit).Remove(OnQuit);
#if UNITY_2017_1_OR_NEWER
Application.onBeforeRender -= OnBeforeRender;
#else
Camera.onPreCull -= OnCameraPreCull;
#endif
}
void Update()
{
if (!VarjoPlugin.SessionValid || OpenVR.System == null)
{
return;
}
// Force controller update in case no one else called this frame to ensure prevState gets updated.
Varjo_SteamVR_Controller.Update();
// Dispatch any OpenVR events.
var system = OpenVR.System;
if (system != null)
{
var vrEvent = new VREvent_t();
var size = (uint)System.Runtime.InteropServices.Marshal.SizeOf(typeof(VREvent_t));
for (int i = 0; i < 64; i++)
{
if (!system.PollNextEvent(ref vrEvent, size))
{
break;
}
switch ((EVREventType)vrEvent.eventType)
{
case EVREventType.VREvent_ShowRenderModels:
Varjo_SteamVR_Events.HideRenderModels.Send(false);
break;
case EVREventType.VREvent_HideRenderModels:
Varjo_SteamVR_Events.HideRenderModels.Send(true);
break;
default:
Varjo_SteamVR_Events.System((EVREventType)vrEvent.eventType).Send(vrEvent);
break;
}
}
}
}