int32 USoundNodeDistanceCrossFade::GetNumSounds(const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound) const
{
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, NumSoundsUsedInCrossFade);
return NumSoundsUsedInCrossFade;
}
void USoundNodeConcatenator::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD( sizeof( int32 ) );
DECLARE_SOUNDNODE_ELEMENT( int32, NodeIndex );
// Start from the beginning.
if( *RequiresInitialization )
{
NodeIndex = 0;
*RequiresInitialization = false;
}
// Play the current node.
if( NodeIndex < ChildNodes.Num() )
{
FSoundParseParameters UpdatedParams = ParseParams;
UpdatedParams.NotifyBufferFinishedHooks.AddNotify(this, NodeWaveInstanceHash);
// Play currently active node.
USoundNode* ChildNode = ChildNodes[ NodeIndex ];
if( ChildNode )
{
UpdatedParams.VolumeMultiplier *= InputVolume[NodeIndex];
ChildNode->ParseNodes( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNode, NodeIndex), ActiveSound, UpdatedParams, WaveInstances);
}
}
}
void USoundNodeEnveloper::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD( sizeof( float ) + sizeof(float) + sizeof(float) + sizeof(int32) );
DECLARE_SOUNDNODE_ELEMENT( float, StartTime );
DECLARE_SOUNDNODE_ELEMENT( float, UsedVolumeModulation );
DECLARE_SOUNDNODE_ELEMENT( float, UsedPitchModulation );
DECLARE_SOUNDNODE_ELEMENT( int32, LastLoopCount );
if( *RequiresInitialization )
{
StartTime = ActiveSound.PlaybackTime - ParseParams.StartTime;
UsedVolumeModulation = VolumeMax + ( ( VolumeMin - VolumeMax ) * FMath::SRand() );
UsedPitchModulation = PitchMax + ( ( PitchMin - PitchMax ) * FMath::SRand() );
LastLoopCount = -1;
*RequiresInitialization = false;
}
float PlayTime = ActiveSound.PlaybackTime - StartTime;
if(bLoop && PlayTime > LoopEnd)
{
if( PlayTime > GetDuration() )
{
return;
}
float LoopDuration = LoopEnd - LoopStart;
int32 CurrentLoopCount = (int32)(PlayTime - LoopStart)/LoopDuration;
PlayTime -= CurrentLoopCount*LoopDuration;
if( CurrentLoopCount == LoopCount && !bLoopIndefinitely && LoopCount != 0 )
{
PlayTime += LoopDuration;
}
else if ( CurrentLoopCount != LastLoopCount )
{
// randomize multipliers for the new repeat
UsedVolumeModulation = VolumeMax + ( ( VolumeMin - VolumeMax ) * FMath::SRand() );
UsedPitchModulation = PitchMax + ( ( PitchMin - PitchMax ) * FMath::SRand() );
LastLoopCount = CurrentLoopCount;
}
}
FSoundParseParameters UpdatedParams = ParseParams;
UpdatedParams.Volume *= VolumeCurve.Eval(PlayTime) * UsedVolumeModulation;
UpdatedParams.Pitch *= PitchCurve.Eval(PlayTime) * UsedPitchModulation;
Super::ParseNodes(AudioDevice, NodeWaveInstanceHash, ActiveSound, UpdatedParams, WaveInstances);
}
void USoundNodeLooping::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, CurrentLoopCount);
if (*RequiresInitialization)
{
CurrentLoopCount = 0;
*RequiresInitialization = false;
}
FSoundParseParameters UpdatedParams = ParseParams;
UpdatedParams.NotifyBufferFinishedHooks.AddNotify(this, NodeWaveInstanceHash);
Super::ParseNodes( AudioDevice, NodeWaveInstanceHash, ActiveSound, UpdatedParams, WaveInstances );
}
bool USoundNodeConcatenator::NotifyWaveInstanceFinished( FWaveInstance* WaveInstance )
{
FActiveSound& ActiveSound = *WaveInstance->ActiveSound;
const UPTRINT NodeWaveInstanceHash = WaveInstance->NotifyBufferFinishedHooks.GetHashForNode(this);
RETRIEVE_SOUNDNODE_PAYLOAD( sizeof( int32 ) );
DECLARE_SOUNDNODE_ELEMENT( int32, NodeIndex );
check( *RequiresInitialization == 0 );
// Allow wave instance to be played again the next iteration.
WaveInstance->bIsStarted = false;
WaveInstance->bIsFinished = false;
// Advance index.
NodeIndex++;
return (NodeIndex < ChildNodes.Num());
}
void USoundNodeRandom::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, NodeIndex);
// Pick a random child node and save the index.
if (*RequiresInitialization)
{
NodeIndex = ChooseNodeIndex(ActiveSound);
*RequiresInitialization = 0;
}
#if WITH_EDITOR
bool bIsPIESound = (GEditor != nullptr) && ((GEditor->bIsSimulatingInEditor || GEditor->PlayWorld != nullptr) && ActiveSound.GetWorldID() > 0);
#endif //WITH_EDITOR
// check to see if we have used up our random sounds
if (bRandomizeWithoutReplacement && (HasBeenUsed.Num() > 0) && (NumRandomUsed >= HasBeenUsed.Num()
#if WITH_EDITOR
|| (bIsPIESound && NumRandomUsed >= (HasBeenUsed.Num() - PIEHiddenNodes.Num()))
#endif //WITH_EDITOR
))
{
// reset all of the children nodes
for (int32 i = 0; i < HasBeenUsed.Num(); ++i)
{
if (HasBeenUsed.Num() > NodeIndex)
{
HasBeenUsed[i] = false;
}
}
// set the node that has JUST played to be true so we don't repeat it
HasBeenUsed[NodeIndex] = true;
NumRandomUsed = 1;
}
if (NodeIndex < ChildNodes.Num() && ChildNodes[NodeIndex])
{
ChildNodes[NodeIndex]->ParseNodes(AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNodes[NodeIndex], NodeIndex), ActiveSound, ParseParams, WaveInstances);
}
}
int32 USoundNodeRandom::GetNumSounds(const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound) const
{
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, NodeIndex);
// Pick a random child node and save the index.
if (*RequiresInitialization)
{
// Unfortunately, ChooseNodeIndex modifies USoundNodeRandom data
NodeIndex = const_cast<USoundNodeRandom*>(this)->ChooseNodeIndex(ActiveSound);
*RequiresInitialization = 0;
}
check(!*RequiresInitialization);
if (NodeIndex < ChildNodes.Num() && ChildNodes[NodeIndex])
{
return ChildNodes[NodeIndex]->GetNumSounds(NodeWaveInstanceHash, ActiveSound);
}
return 0;
}
bool USoundNodeLooping::NotifyWaveInstanceFinished( FWaveInstance* InWaveInstance )
{
FActiveSound& ActiveSound = *InWaveInstance->ActiveSound;
const UPTRINT NodeWaveInstanceHash = InWaveInstance->NotifyBufferFinishedHooks.GetHashForNode(this);
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, CurrentLoopCount);
check(*RequiresInitialization == 0);
if (bLoopIndefinitely == 1 || CurrentLoopCount < LoopCount)
{
struct FNodeHashPairs
{
USoundNode* Node;
UPTRINT NodeWaveInstanceHash;
FNodeHashPairs(USoundNode* InNode, const UPTRINT InHash)
: Node(InNode)
, NodeWaveInstanceHash(InHash)
{
}
};
TArray<FNodeHashPairs> NodesToReset;
for (int32 ChildNodeIndex = 0; ChildNodeIndex < ChildNodes.Num(); ++ChildNodeIndex)
{
USoundNode* ChildNode = ChildNodes[ChildNodeIndex];
if (ChildNode)
{
NodesToReset.Add(FNodeHashPairs(ChildNode, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNode, ChildNodeIndex)));
}
}
// GetAllNodes includes current node so we have to start at Index 1.
for (int32 ResetNodeIndex = 0; ResetNodeIndex < NodesToReset.Num(); ++ResetNodeIndex)
{
const FNodeHashPairs& NodeHashPair = NodesToReset[ResetNodeIndex];
// Reset all child nodes so they are initialized again.
uint32* Offset = ActiveSound.SoundNodeOffsetMap.Find(NodeHashPair.NodeWaveInstanceHash);
if (Offset)
{
bool* bRequiresInitialization = (bool*)&ActiveSound.SoundNodeData[*Offset];
*bRequiresInitialization = true;
}
USoundNode* ResetNode = NodeHashPair.Node;
if (ResetNode->ChildNodes.Num())
{
for (int32 ResetChildIndex = 0; ResetChildIndex < ResetNode->ChildNodes.Num(); ++ResetChildIndex)
{
USoundNode* ResetChildNode = ResetNode->ChildNodes[ResetChildIndex];
if (ResetChildNode)
{
NodesToReset.Add(FNodeHashPairs(ResetChildNode, GetNodeWaveInstanceHash(NodeHashPair.NodeWaveInstanceHash, ResetChildNode, ResetChildIndex)));
}
}
}
else if (ResetNode->IsA<USoundNodeWavePlayer>())
{
FWaveInstance* WaveInstance = ActiveSound.FindWaveInstance(NodeHashPair.NodeWaveInstanceHash);
if (WaveInstance)
{
WaveInstance->bAlreadyNotifiedHook = true;
}
}
}
// Reset wave instances that notified us of completion.
InWaveInstance->bIsStarted = false;
InWaveInstance->bIsFinished = false;
CurrentLoopCount++;
}
return true;
}
void USoundNodeDistanceCrossFade::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
int32 NumSoundsActive = 0;
FSoundParseParameters UpdatedParams = ParseParams;
for( int32 ChildNodeIndex = 0; ChildNodeIndex < ChildNodes.Num(); ChildNodeIndex++ )
{
if( ChildNodes[ ChildNodeIndex ] != NULL )
{
// get the various distances for this input so we can fade in/out the volume correctly
const float FadeInDistanceMin = CrossFadeInput[ ChildNodeIndex ].FadeInDistanceStart;
const float FadeInDistanceMax = CrossFadeInput[ ChildNodeIndex ].FadeInDistanceEnd;
const float FadeOutDistanceMin = CrossFadeInput[ ChildNodeIndex ].FadeOutDistanceStart;
const float FadeOutDistanceMax = CrossFadeInput[ ChildNodeIndex ].FadeOutDistanceEnd;
// watch out here. If one is playing the sound on the PlayerController then this will not update correctly as PlayerControllers don't move in normal play
const float Distance = GetCurrentDistance(AudioDevice, ActiveSound, ParseParams);
// determine the volume amount we should set the component to before "playing"
float VolumeToSet = 1.0f;
//UE_LOG(LogAudio, Log, TEXT(" USoundNodeDistanceCrossFade. Distance: %f ChildNodeIndex: %d CurrLoc: %s ListenerLoc: %s"), Distance, ChildNodeIndex, *AudioComponent->CurrentLocation.ToString(), *AudioComponent->Listener->Location.ToString() );
// Check whether crossfading is allowed
if( !AllowCrossfading(ActiveSound) )
{
VolumeToSet = CrossFadeInput[ ChildNodeIndex ].Volume;
}
else if( ( Distance >= FadeInDistanceMin ) && ( Distance <= FadeInDistanceMax ) )
{
VolumeToSet = (FadeInDistanceMax > 0.f ? CrossFadeInput[ ChildNodeIndex ].Volume * ( 0.0f + ( Distance - FadeInDistanceMin ) / ( FadeInDistanceMax - FadeInDistanceMin ) ) : 1.f);
//UE_LOG(LogAudio, Log, TEXT(" FadeIn. Distance: %f, VolumeToSet: %f"), Distance, VolumeToSet );
}
// else if we are inside the FadeOut edge
else if( ( Distance >= FadeOutDistanceMin ) && ( Distance <= FadeOutDistanceMax ) )
{
VolumeToSet = (FadeOutDistanceMax > 0.f ? CrossFadeInput[ ChildNodeIndex ].Volume * ( 1.0f - ( Distance - FadeOutDistanceMin ) / ( FadeOutDistanceMax - FadeOutDistanceMin ) ) : 0.f);
//UE_LOG(LogAudio, Log, TEXT(" FadeOut. Distance: %f, VolumeToSet: %f"), Distance, VolumeToSet );
}
// else we are in between the fading edges of the CrossFaded sound and we should play the
// sound at the CrossFadeInput's specified volume
else if( ( Distance >= FadeInDistanceMax ) && ( Distance <= FadeOutDistanceMin ) )
{
VolumeToSet = CrossFadeInput[ ChildNodeIndex ].Volume;
//UE_LOG(LogAudio, Log, TEXT(" In Between. Distance: %f, VolumeToSet: %f"), Distance, VolumeToSet );
}
// else we are outside of the range of this CrossFadeInput and should not play anything
else
{
//UE_LOG(LogAudio, Log, TEXT(" OUTSIDE!!!" ));
VolumeToSet = 0.f; //CrossFadeInput( ChildNodeIndex ).Volume;
}
if (VolumeToSet > 0.0f)
{
++NumSoundsActive;
}
UpdatedParams.Volume = ParseParams.Volume * VolumeToSet;
const bool bWasFinished = ActiveSound.bFinished;
// "play" the rest of the tree
ChildNodes[ ChildNodeIndex ]->ParseNodes( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNodes[ChildNodeIndex], ChildNodeIndex), ActiveSound, UpdatedParams, WaveInstances );
// Don't let an out of range cross-fade branch keep an active sound alive
if (bWasFinished && VolumeToSet <= 0.f)
{
ActiveSound.bFinished = true;
}
}
}
// Write out the results of the NumSounds count. We can't do this in the loop since the table storing this data will potentially reallocate
RETRIEVE_SOUNDNODE_PAYLOAD(sizeof(int32));
DECLARE_SOUNDNODE_ELEMENT(int32, NumSoundsUsedInCrossFade);
NumSoundsUsedInCrossFade = NumSoundsActive;
}
void USoundNodeRandom::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD( sizeof( int32 ) );
DECLARE_SOUNDNODE_ELEMENT( int32, NodeIndex );
if( bRandomizeWithoutReplacement == true )
{
FixHasBeenUsedArray(); // for now prob need this until resave packages has occurred
}
// Pick a random child node and save the index.
if( *RequiresInitialization )
{
NodeIndex = 0;
float WeightSum = 0.0f;
// only calculate the weights that have not been used and use that set for the random choice
for( int32 i = 0; i < Weights.Num(); ++i )
{
if( ( bRandomizeWithoutReplacement == false ) || ( HasBeenUsed[ i ] != true ) )
{
WeightSum += Weights[ i ];
}
}
float Weight = FMath::FRand() * WeightSum;
for( int32 i = 0; i < ChildNodes.Num() && i < Weights.Num(); ++i )
{
if( bRandomizeWithoutReplacement && ( Weights[ i ] >= Weight ) && ( HasBeenUsed[ i ] != true ) )
{
HasBeenUsed[ i ] = true;
// we played a sound so increment how many sounds we have played
++NumRandomUsed;
NodeIndex = i;
break;
}
else if( ( bRandomizeWithoutReplacement == false ) && ( Weights[ i ] >= Weight ) )
{
NodeIndex = i;
break;
}
else
{
Weight -= Weights[ i ];
}
}
*RequiresInitialization = 0;
}
// check to see if we have used up our random sounds
if( bRandomizeWithoutReplacement && ( HasBeenUsed.Num() > 0 ) && ( NumRandomUsed >= HasBeenUsed.Num() ) )
{
// reset all of the children nodes
for( int32 i = 0; i < HasBeenUsed.Num(); ++i )
{
HasBeenUsed[ i ] = false;
}
// set the node that has JUST played to be true so we don't repeat it
if (HasBeenUsed.Num() > NodeIndex)
{
HasBeenUsed[ NodeIndex ] = true;
}
NumRandomUsed = 1;
}
// "play" the sound node that was selected
if( NodeIndex < ChildNodes.Num() && ChildNodes[ NodeIndex ] )
{
ChildNodes[ NodeIndex ]->ParseNodes( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNodes[NodeIndex], NodeIndex), ActiveSound, ParseParams, WaveInstances );
}
}
void USoundNodeMature::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
RETRIEVE_SOUNDNODE_PAYLOAD( sizeof( int32 ) );
DECLARE_SOUNDNODE_ELEMENT( int32, NodeIndex );
// Pick a random child node and save the index.
if( *RequiresInitialization )
{
*RequiresInitialization = 0;
// Make a list of mature and non-mature child nodes.
TArray<int32> MatureChildNodes;
MatureChildNodes.Empty( ChildNodes.Num() );
TArray<int32> NonMatureChildNodes;
NonMatureChildNodes.Empty( ChildNodes.Num() );
for( int32 i = 0; i < ChildNodes.Num() ; ++i )
{
if( ChildNodes[ i ] )
{
EMaturityChildType Type = GetMaturityTypeForChild( ChildNodes[ i ] );
if( ChildType_Mature == Type )
{
MatureChildNodes.Add( i );
}
else if( ChildType_NonMature == Type )
{
NonMatureChildNodes.Add( i );
}
else
{
UE_LOG(LogAudio, Warning, TEXT( "SoundNodeMature(%s) has a child which is not eventually linked to a sound node wave" ), *GetPathName() );
}
}
}
// Select a child node.
NodeIndex = -1;
if( GEngine->bAllowMatureLanguage )
{
// If mature language is allowed, prefer a mature node.
if( MatureChildNodes.Num() > 0 )
{
NodeIndex = MatureChildNodes[ 0 ];
}
else if( NonMatureChildNodes.Num() > 0 )
{
NodeIndex = NonMatureChildNodes[ 0 ];
}
}
else
{
// If mature language is not allowed, prefer a non-mature node.
if( NonMatureChildNodes.Num() > 0 )
{
NodeIndex = NonMatureChildNodes[ 0 ];
}
else
{
UE_LOG(LogAudio, Warning, TEXT( "SoundNodeMature(%s): GEngine->bAllowMatureLanguage is false, no non-mature child sound exists" ), *GetPathName() );
}
}
}
// "play" the sound node that was selected
if( NodeIndex >= 0 && NodeIndex < ChildNodes.Num() && ChildNodes[ NodeIndex ] )
{
ChildNodes[ NodeIndex ]->ParseNodes( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNodes[NodeIndex], NodeIndex), ActiveSound, ParseParams, WaveInstances );
}
}
