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fb1959d641
The generator created/destroyed events get called on the audio thread, so avoid manipulating containers used on the game thread in the event. #rnx #rb phil.popp, aaron.mcleran #preflight 642db4d71d19c0312a39ab12 [CL 24937556 by charlie huguenard in ue5-main branch]
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MetasoundGeneratorHandle.h"
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#include "Subsystems/WorldSubsystem.h"
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#include "MetasoundOutputSubsystem.generated.h"
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class UAudioComponent;
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/**
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* Provides access to a playing Metasound generator's outputs
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*/
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UCLASS()
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class METASOUNDENGINE_API UMetaSoundOutputSubsystem : public UTickableWorldSubsystem
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{
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GENERATED_BODY()
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public:
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virtual ~UMetaSoundOutputSubsystem() override = default;
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/**
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* Watch an output on a Metasound playing on a given audio component.
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*
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* @param AudioComponent - The audio component
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* @param OutputName - The user-specified name of the output in the Metasound
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* @param OnOutputValueChanged - The event to fire when the output's value changes
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* @param AnalyzerName - (optional) The name of the analyzer to use on the output, defaults to a passthrough
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* @param AnalyzerOutputName - (optional) The name of the output on the analyzer to watch, defaults to the passthrough output
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* @returns true if the watch setup succeeded, false otherwise
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*/
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UFUNCTION(BlueprintCallable, Category="MetaSoundOutput", meta=(AdvancedDisplay = "3"))
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bool WatchOutput(
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UAudioComponent* AudioComponent,
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FName OutputName,
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const FOnMetasoundOutputValueChanged& OnOutputValueChanged,
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FName AnalyzerName = NAME_None,
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FName AnalyzerOutputName = NAME_None);
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/** Begin UTickableWorldSubsystem */
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virtual bool IsTickable() const override;
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virtual void Tick(float DeltaTime) override;
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virtual TStatId GetStatId() const override;
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/** End UTickableWorldSubsystem */
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private:
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UPROPERTY(Transient)
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TArray<TObjectPtr<UMetasoundGeneratorHandle>> TrackedGenerators;
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};
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