AnimSubsystem_PropertyAccess.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Animation/AnimSubsystem.h"
#include "PropertyAccess.h"
#include "AnimSubsystem_PropertyAccess.generated.h"
 
// The various call sites we can call into the property access library
UENUM()
enum class EAnimPropertyAccessCallSite
{
    // Access is made on a worker thread in the anim graph or in a BP function
    WorkerThread_Unbatched UMETA(DisplayName="Thread Safe"),
 
    // Access is made on a worker thread before BlueprintThreadSafeUpdateAnimation is run
    WorkerThread_Batched_PreEventGraph UMETA(DisplayName="Pre-Thread Safe Update Animation"),
 
    // Access is made on a worker thread after BlueprintThreadSafeUpdateAnimation is run
    WorkerThread_Batched_PostEventGraph UMETA(DisplayName="Post-Thread Safe Update Animation"),
    
    // Access is made on the game thread before the event graph (and NativeUpdateAnimation) is run
    GameThread_Batched_PreEventGraph UMETA(DisplayName="Pre-Event Graph"),
 
    // Access is made on the game thread after the event graph (and NativeUpdateAnimation) is run
    GameThread_Batched_PostEventGraph UMETA(DisplayName="Post-Event Graph"),
};
 
USTRUCT()
struct FAnimSubsystem_PropertyAccess : public FAnimSubsystem
{
    GENERATED_BODY()
 
    friend class UAnimBlueprintExtension_PropertyAccess;
 
    ENGINE_API virtual void OnPreUpdate_GameThread(FAnimSubsystemUpdateContext& InContext) const override;
    ENGINE_API virtual void OnPostUpdate_GameThread(FAnimSubsystemUpdateContext& InContext) const override;
    ENGINE_API virtual void OnPreUpdate_WorkerThread(FAnimSubsystemParallelUpdateContext& InContext) const override;
    ENGINE_API virtual void OnPostUpdate_WorkerThread(FAnimSubsystemParallelUpdateContext& InContext) const override;
    ENGINE_API virtual void OnPostLoad(FAnimSubsystemPostLoadContext& InContext) override;
#if WITH_EDITORONLY_DATA
    ENGINE_API virtual void OnLink(FAnimSubsystemLinkContext& InContext) override;
#endif
 
    const FPropertyAccessLibrary& GetLibrary() const { return Library; }
 
private:
    UPROPERTY()
    FPropertyAccessLibrary Library;
};