USoundNodeRandom

Selects sounds from a random set

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

USoundNode

USoundNodeRandom

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Sound/SoundNodeRandom.h
Include	#include "Sound/SoundNodeRandom.h"

Syntax

class USoundNodeRandom : public USoundNode

Remarks

Selects sounds from a random set

Variables

	Name	Description
uint8: 1	bRandomizeWithoutReplacement	Determines whether or not this SoundNodeRandom should randomize with or without replacement.
uint8: 1	bShouldExcludeFromBranchCulling	If set to true, this random node will not be culled on load for platforms with a maximum amount of preloaded random branches set in project settings
uint8: 1	bSoundCueExcludedFromBranchCulling	Exclusion for branch culling set by the sound cue.
TArray< bool >	HasBeenUsed	Internal state of which sounds have been played.
int32	NumRandomUsed	Counter var so we don't have to count all of the used sounds each time we choose a sound
TArray< int32 >	PIEHiddenNodes	Editor only list of nodes hidden to duplicate behavior of PreselectAtLevelLoad
int32	PreselectAtLevelLoad	If greater than 0, then upon each level load such a number of inputs will be randomly selected and the rest will be removed.
TArray< float >	Weights

Constructors

	Name	Description
	USoundNodeRandom ( const FObjectInitializer& ObjectIn... )

Functions

		Name	Description
	int32	ChooseNodeIndex ( FActiveSound& ActiveSound )
	void	FixHasBeenUsedArray()
	void	FixWeightsArray()
	void	ParseNodes ( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& Parse..., TArray< FWaveInstance* >& Wav... )
	void	UpdatePIEHiddenNodes()

Overridden from USoundNode

	Name	Description
void	CreateStartingConnectors()	Editor interface.
int32	GetMaxChildNodes()	Returns the maximum number of child nodes this node can possibly have
int32	GetNumSounds ( const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound )	Returns the number of simultaneous sounds this node instance plays back.
void	InsertChildNode ( int32 Index )
void	OnBeginPIE ( const bool bIsSimulating )	Called as PIE begins
void	RemoveChildNode ( int32 Index )
void	SetChildNodes ( TArray< USoundNode* >& InChil... )	Ensure Random weights and usage array matches new amount of children

Overridden from UObject

		Name	Description
	void	PostLoad()	Do any object-specific cleanup required immediately after loading an object.