AudioWidgetSubsystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
 
#include "AssetRegistry/AssetData.h"
#include "Audio/SoundEffectPresetWidgetInterface.h"
#include "Audio/SoundSubmixWidgetInterface.h"
#include "Blueprint/UserWidget.h"
#include "Sound/SoundEffectPreset.h"
#include "Sound/SoundSubmix.h"
#include "Subsystems/EngineSubsystem.h"
#include "Templates/Function.h"
#include "UObject/Class.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "AudioWidgetSubsystem.generated.h"
 
 
// Forward Declarations
class UWorld;
 
UCLASS(MinimalAPI)
class UAudioWidgetSubsystem : public UEngineSubsystem
{
    GENERATED_BODY()
 
private:
    static const TArray<FAssetData> GetBlueprintAssetData(UClass* InInterfaceClass);
    static bool ImplementsInterface(const FAssetData& InAssetData, UClass* InInterfaceClass);
 
public:
    // Returns user widgets that implement a widget interface of the given subclass and optionally, filters and returns only those which pass the provided filter function.
    ENGINE_API TArray<UUserWidget*> CreateUserWidgets(UWorld& InWorld, TSubclassOf<UInterface> InWidgetInterface, TFunction<bool(UUserWidget*)> FilterFunction = TFunction<bool(UUserWidget*)>()) const;
};