void FOculusInput::SetHapticFeedbackValues(int32 ControllerId, int32 Hand, const FHapticFeedbackValues& Values)
{
for (FOculusTouchControllerPair& ControllerPair : ControllerPairs)
{
if (ControllerPair.UnrealControllerIndex == ControllerId)
{
FOculusTouchControllerState& ControllerState = ControllerPair.ControllerStates[Hand];
if (ControllerState.bIsCurrentlyTracked)
{
if(IOculusRiftPlugin::IsAvailable())
{
FOvrSessionShared::AutoSession OvrSession(IOculusRiftPlugin::Get().GetSession());
if (OvrSession && FApp::HasVRFocus())
{
float FreqMin, FreqMax = 0.f;
GetHapticFrequencyRange(FreqMin, FreqMax);
const float Frequency = FMath::Lerp(FreqMin, FreqMax, FMath::Clamp(Values.Frequency, 0.f, 1.f));
const float Amplitude = Values.Amplitude * GetHapticAmplitudeScale();
if ((ControllerState.HapticAmplitude != Amplitude) || (ControllerState.HapticFrequency != Frequency))
{
ControllerState.HapticAmplitude = Amplitude;
ControllerState.HapticFrequency = Frequency;
const ovrControllerType OvrController = (EControllerHand(Hand) == EControllerHand::Left) ? ovrControllerType_LTouch : ovrControllerType_RTouch;
ovr_SetControllerVibration(OvrSession, OvrController, Frequency, Amplitude);
UE_CLOG(0, LogOcInput, Log, TEXT("SetHapticFeedbackValues: Hand %d, freq %f, amp %f"), int(Hand), Frequency, Amplitude);
ControllerState.bPlayingHapticEffect = (Amplitude != 0.f) && (Frequency != 0.f);
}
}
}
}
break;
}
}
}
void FOculusInput::UpdateForceFeedback( const FOculusTouchControllerPair& ControllerPair, const EControllerHand Hand )
{
const FOculusTouchControllerState& ControllerState = ControllerPair.ControllerStates[ (int32)Hand ];
check(IOculusRiftPlugin::IsAvailable());
ovrSession OvrSession = IOculusRiftPlugin::Get().GetSession();
if( ControllerState.bIsCurrentlyTracked && !ControllerState.bPlayingHapticEffect && OvrSession)
{
float FreqMin, FreqMax = 0.f;
GetHapticFrequencyRange(FreqMin, FreqMax);
// Map the [0.0 - 1.0] range to a useful range of frequencies for the Oculus controllers
const float ActualFrequency = FMath::Lerp(FreqMin, FreqMax, FMath::Clamp(ControllerState.HapticFrequency, 0.0f, 1.0f));
// Oculus SDK wants amplitude values between 0.0 and 1.0
const float ActualAmplitude = ControllerState.HapticAmplitude * GetHapticAmplitudeScale();
const ovrControllerType OvrController = ( Hand == EControllerHand::Left ) ? ovrControllerType_LTouch : ovrControllerType_RTouch;
ovr_SetControllerVibration( OvrSession, OvrController, ActualFrequency, ActualAmplitude );
}
}
