void FVolumeManager::Init(uint32 NumElements)
{
Baseline.Init(-1.0f, NumElements);
Attenuation.Init(1.0f, NumElements);
VolumeProduct.Init(1.0f, NumElements);
FadeScale.Init(NumElements);
DynamicScale.Init(NumElements);
PriorityWeight.Init(1.0f, NumElements);
VolumeWeightedPriority.Init(1.0f, NumElements);
EmitterHandle.Init(FEmitterHandle(), NumElements);
}
EVoiceError::Type FVoice::Play()
{
AUDIO_VOICE_CHECK_ERROR();
if (VoiceState != EVoiceState::PLAYING)
{
// Make sure play is not called 2x on the same voice.
bPlayCalled = true;
// Build the initialization data for the play call
FVoiceInitializationData* VoiceInitData = new FVoiceInitializationData();
VoiceInitData->SoundFile = Params.SoundFile;
VoiceInitData->EmitterHandle = Params.Emitter.IsValid() ? ((FEmitter*)Params.Emitter.Get())->GetHandle() : FEmitterHandle();
VoiceInitData->BaselineVolumeScale = Params.BaselineVolumeScale;
VoiceInitData->DynamicVolumeScale = PlayInfo.VolumeScale;
VoiceInitData->DynamicVolumeTime = PlayInfo.VolumeScaleTime;
VoiceInitData->BaselinePitchScale = Params.BaselinePitchScale;
VoiceInitData->DynamicPitchScale = PlayInfo.PitchScale;
VoiceInitData->DynamicPitchTime = PlayInfo.PitchScaletime;
VoiceInitData->PriorityWeight = Params.PriorityWeight;
VoiceInitData->DurationSeconds = DurationSeconds;
VoiceInitData->VoiceFlags = EVoiceFlag::NONE;
if (Params.bIsLooping)
{
VoiceInitData->VoiceFlags |= EVoiceFlag::LOOPING;
}
if (Params.Emitter.IsValid())
{
VoiceInitData->VoiceFlags |= EVoiceFlag::SPATIALIZED;
}
// Play the voice with the voice manager
check(AudioModule != nullptr);
FVoiceManager& VoiceManager = AudioModule->GetVoiceManager();
EVoiceError::Type Result = VoiceManager.PlayVoice(this, VoiceInitData, VoiceHandle);
// If nothing went wrong then our VoiceState is "playing"
if (Result == EVoiceError::NONE)
{
VoiceState = EVoiceState::PLAYING;
}
else
{
VoiceState = EVoiceState::HAS_ERROR;
LastError = Result;
}
return Result;
}
return EVoiceError::NONE;
}
