void InitOVROverlay()
{
if (!OVRManager.isHmdPresent)
{
enabled = false;
return;
}
constructedOverlayXRDevice = OVRManager.XRDevice.Unknown;
if (OVRManager.loadedXRDevice == OVRManager.XRDevice.OpenVR)
{
OVR.OpenVR.CVROverlay overlay = OVR.OpenVR.OpenVR.Overlay;
if (overlay != null)
{
OVR.OpenVR.EVROverlayError error = overlay.CreateOverlay(OpenVROverlayKey + transform.name, gameObject.name, ref OpenVROverlayHandle);
if (error != OVR.OpenVR.EVROverlayError.None)
{
enabled = false;
return;
}
}
else
{
enabled = false;
return;
}
}
constructedOverlayXRDevice = OVRManager.loadedXRDevice;
xrDeviceConstructed = true;
}
void OpenVROverlayUpdate(Vector3 scale, OVRPose pose)
{
OVR.OpenVR.CVROverlay overlayRef = OVR.OpenVR.OpenVR.Overlay;
if (overlayRef == null)
{
return;
}
Texture overlayTex = textures[0];
if (overlayTex != null)
{
OVR.OpenVR.EVROverlayError error = overlayRef.ShowOverlay(OpenVROverlayHandle);
if (error == OVR.OpenVR.EVROverlayError.InvalidHandle || error == OVR.OpenVR.EVROverlayError.UnknownOverlay)
{
if (overlayRef.FindOverlay(OpenVROverlayKey + transform.name, ref OpenVROverlayHandle) != OVR.OpenVR.EVROverlayError.None)
{
return;
}
}
OVR.OpenVR.Texture_t tex = new OVR.OpenVR.Texture_t();
tex.handle = overlayTex.GetNativeTexturePtr();
tex.eType = SystemInfo.graphicsDeviceVersion.StartsWith("OpenGL") ? OVR.OpenVR.ETextureType.OpenGL : OVR.OpenVR.ETextureType.DirectX;
tex.eColorSpace = OVR.OpenVR.EColorSpace.Auto;
overlayRef.SetOverlayTexture(OpenVROverlayHandle, ref tex);
OVR.OpenVR.VRTextureBounds_t textureBounds = new OVR.OpenVR.VRTextureBounds_t();
textureBounds.uMin = (0 + OpenVRUVOffsetAndScale.x) * OpenVRUVOffsetAndScale.z;
textureBounds.vMin = (1 + OpenVRUVOffsetAndScale.y) * OpenVRUVOffsetAndScale.w;
textureBounds.uMax = (1 + OpenVRUVOffsetAndScale.x) * OpenVRUVOffsetAndScale.z;
textureBounds.vMax = (0 + OpenVRUVOffsetAndScale.y) * OpenVRUVOffsetAndScale.w;
overlayRef.SetOverlayTextureBounds(OpenVROverlayHandle, ref textureBounds);
OVR.OpenVR.HmdVector2_t vecMouseScale = new OVR.OpenVR.HmdVector2_t();
vecMouseScale.v0 = OpenVRMouseScale.x;
vecMouseScale.v1 = OpenVRMouseScale.y;
overlayRef.SetOverlayMouseScale(OpenVROverlayHandle, ref vecMouseScale);
overlayRef.SetOverlayWidthInMeters(OpenVROverlayHandle, scale.x);
Matrix4x4 mat44 = Matrix4x4.TRS(pose.position, pose.orientation, Vector3.one);
OVR.OpenVR.HmdMatrix34_t pose34 = mat44.ConvertToHMDMatrix34();
overlayRef.SetOverlayTransformAbsolute(OpenVROverlayHandle, OVR.OpenVR.ETrackingUniverseOrigin.TrackingUniverseStanding, ref pose34);
}
}
