SlateFXSubsystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Subsystems/EngineSubsystem.h"
 
#include "Engine/World.h"
 
#include "SlateFXSubsystem.generated.h"
 
#define UE_API SLATERHIRENDERER_API
 
class FSlateRHIPostBufferProcessorProxy;
class USlateRHIPostBufferProcessor;
 
UCLASS(MinimalAPI, DisplayName = "Slate FX Subsystem")
class USlateFXSubsystem : public UEngineSubsystem
{
    GENERATED_BODY()
 
public:
 
    static UE_API USlateRHIPostBufferProcessor* GetPostProcessor(ESlatePostRT InSlatePostBufferBit);
    static UE_API TSharedPtr<FSlateRHIPostBufferProcessorProxy> GetPostProcessorProxy(ESlatePostRT InSlatePostBufferBit);
 
    //~ Begin UObject Interface.
    UE_API virtual void BeginDestroy() override;
    //~ End UObject Interface.
 
    //~Begin UGameInstanceSubsystem Interface
    UE_API virtual bool ShouldCreateSubsystem(UObject* Outer) const override;
    UE_API virtual void Initialize(FSubsystemCollectionBase& Collection) override;
    UE_API virtual void Deinitialize() override;
    //~End UGameInstanceSubsystem Interface
 
    UE_API TSharedPtr<FSlateRHIPostBufferProcessorProxy> GetSlatePostProcessorProxy(ESlatePostRT InPostBufferBit);
 
public:
 
    UFUNCTION(BlueprintCallable, Category = "SlateFX")
    UE_API USlateRHIPostBufferProcessor* GetSlatePostProcessor(ESlatePostRT InPostBufferBit);
 
private:
 
    UPROPERTY(Transient)
    TMap<ESlatePostRT, TObjectPtr<USlateRHIPostBufferProcessor>> SlatePostBufferProcessors;
 
private:
 
    void OnPreWorldInitialization(UWorld* World, const UWorld::InitializationValues IVS);
 
    void OnPostWorldCleanup(UWorld* World, bool SessionEnded, bool bCleanupResources);
 
private:
 
    TMap<ESlatePostRT, TSharedPtr<FSlateRHIPostBufferProcessorProxy>> SlatePostBufferProcessorProxies;
};
 
#undef UE_API