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#rnx #rb none #ROBOMERGE-OWNER: ryan.durand #ROBOMERGE-AUTHOR: ryan.durand #ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900 #ROBOMERGE-BOT: (v613-10869866) [CL 10870549 by ryan durand in Main branch]
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Sound/SoundNodeMixer.h"
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#include "ActiveSound.h"
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/*-----------------------------------------------------------------------------
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USoundNodeMixer implementation.
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-----------------------------------------------------------------------------*/
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USoundNodeMixer::USoundNodeMixer(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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void USoundNodeMixer::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
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{
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FSoundParseParameters UpdatedParams = ParseParams;
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for( int32 ChildNodeIndex = 0; ChildNodeIndex < ChildNodes.Num(); ++ChildNodeIndex )
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{
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if( ChildNodes[ ChildNodeIndex ] )
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{
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UpdatedParams.Volume = ParseParams.Volume * InputVolume[ ChildNodeIndex ];
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ChildNodes[ ChildNodeIndex ]->ParseNodes( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, ChildNodes[ChildNodeIndex], ChildNodeIndex), ActiveSound, UpdatedParams, WaveInstances );
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}
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}
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}
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void USoundNodeMixer::CreateStartingConnectors()
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{
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// Mixers default with two connectors.
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InsertChildNode( ChildNodes.Num() );
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InsertChildNode( ChildNodes.Num() );
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}
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void USoundNodeMixer::InsertChildNode( int32 Index )
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{
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Super::InsertChildNode( Index );
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InputVolume.InsertUninitialized( Index );
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InputVolume[ Index ] = 1.0f;
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}
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void USoundNodeMixer::RemoveChildNode( int32 Index )
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{
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Super::RemoveChildNode( Index );
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InputVolume.RemoveAt( Index );
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}
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#if WITH_EDITOR
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void USoundNodeMixer::SetChildNodes(TArray<USoundNode*>& InChildNodes)
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{
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Super::SetChildNodes(InChildNodes);
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if (InputVolume.Num() < ChildNodes.Num())
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{
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while (InputVolume.Num() < ChildNodes.Num())
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{
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int32 NewIndex = InputVolume.Num();
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InputVolume.InsertUninitialized( NewIndex );
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InputVolume[ NewIndex ] = 1.0f;
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}
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}
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else if (InputVolume.Num() > ChildNodes.Num())
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{
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const int32 NumToRemove = InputVolume.Num() - ChildNodes.Num();
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InputVolume.RemoveAt(InputVolume.Num() - NumToRemove, NumToRemove);
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}
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}
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#endif //WITH_EDITOR
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