bool oculusAvailable() {
static std::once_flag once;
static bool result { false };
std::call_once(once, [&] {
static const QString DEBUG_FLAG("HIFI_DEBUG_OPENVR");
static bool enableDebugOpenVR = QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG);
if (enableDebugOpenVR) {
return;
}
ovrDetectResult detect = ovr_Detect(0);
if (!detect.IsOculusServiceRunning || !detect.IsOculusHMDConnected) {
return;
}
DWORD searchResult = SearchPathW(NULL, REQUIRED_OCULUS_DLL, NULL, MAX_PATH, FOUND_PATH, NULL);
if (searchResult <= 0) {
return;
}
result = true;
});
return result;
}
FOculusInput::FOculusInput( const TSharedRef< FGenericApplicationMessageHandler >& InMessageHandler )
: MessageHandler( InMessageHandler )
, ControllerPairs()
{
PreInit(); // @TODO: call it sooner to avoid 'Warning InputKey Event specifies invalid' when loading a map using the custom keys
// take care of backward compatibility of Remote with Gamepad
if (bRemoteKeysMappedToGamepad)
{
Remote.ReinitButtonsForGamepadCompat();
}
// Only initialize plug-in when not running a dedicated server, and Oculus service is running
if(!IsRunningDedicatedServer() && ovr_Detect(0).IsOculusServiceRunning)
{
// Initializes LibOVR.
ovrInitParams initParams;
FMemory::Memset(initParams, 0);
initParams.Flags = ovrInit_RequestVersion;
initParams.RequestedMinorVersion = OVR_MINOR_VERSION;
#if !UE_BUILD_SHIPPING
// initParams.LogCallback = OvrLogCallback;
#endif
ovrResult initStatus = ovr_Initialize(&initParams);
if (!OVR_SUCCESS(initStatus) && initStatus == ovrError_LibLoad)
{
// fatal errors: can't load library
UE_LOG(LogOcInput, Log, TEXT("Can't find Oculus library %s: is proper Runtime installed? Version: %s"),
TEXT(OVR_FILE_DESCRIPTION_STRING), TEXT(OVR_VERSION_STRING));
return;
}
FOculusTouchControllerPair& ControllerPair = *new(ControllerPairs) FOculusTouchControllerPair();
// @todo: Unreal controller index should be assigned to us by the engine to ensure we don't contest with other devices
ControllerPair.UnrealControllerIndex = 0; //???? NextUnrealControllerIndex++;
IModularFeatures::Get().RegisterModularFeature( GetModularFeatureName(), this );
GEngine->MotionControllerDevices.AddUnique(this);
UE_LOG(LogOcInput, Log, TEXT("OculusInput is initialized. Init status %d. Runtime version: %s"), int(initStatus), *FString(ANSI_TO_TCHAR(ovr_GetVersionString())));
}
}
