SoundNodeLooping.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "EngineDefines.h"
#include "Sound/SoundNode.h"
#include "SoundNodeLooping.generated.h"
 
class FAudioDevice;
struct FActiveSound;
struct FSoundParseParameters;
struct FWaveInstance;
 
UCLASS(hidecategories=Object, editinlinenew, MinimalAPI, meta=( DisplayName="Looping" ))
class USoundNodeLooping : public USoundNode
{
    GENERATED_UCLASS_BODY()
 
    /* The amount of times to loop */
    UPROPERTY(EditAnywhere, Category = Looping, meta = (ClampMin = 1, EditCondition = "!bLoopIndefinitely"))
    int32 LoopCount;
 
    /* If enabled, the node will continue to loop indefinitely regardless of the Loop Count value. */
    UPROPERTY(EditAnywhere, Category = Looping)
    uint32 bLoopIndefinitely : 1;
 
public: 
    //~ Begin USoundNode interface. 
    virtual bool NotifyWaveInstanceFinished( struct FWaveInstance* WaveInstance ) override;
    virtual float GetDuration() override;
    virtual void ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances ) override;
    virtual int32 GetNumSounds(const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound) const;
    //~ End USoundNode interface. 
 
private:
    void ResetChildren(const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, int32& CurrentLoopCount);
};