MovieScenePreAnimatedStateSystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "EntitySystem/MovieSceneEntityInstantiatorSystem.h"
#include "EntitySystem/MovieSceneEntitySystem.h"
#include "Evaluation/PreAnimatedState/MovieScenePreAnimatedStateStorage.h"
#include "Templates/SharedPointer.h"
#include "UObject/Interface.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "MovieScenePreAnimatedStateSystem.generated.h"
 
class UMovieSceneEntitySystemLinker;
class UObject;
namespace UE { namespace MovieScene { struct FPreAnimatedStateExtension; } }
namespace UE { namespace MovieScene { struct FSystemSubsequentTasks; } }
namespace UE { namespace MovieScene { struct FSystemTaskPrerequisites; } }
 
 
UINTERFACE()
class UMovieScenePreAnimatedStateSystemInterface : public UInterface
{
    GENERATED_BODY()
};
 
 
class IMovieScenePreAnimatedStateSystemInterface
{
public:
    GENERATED_BODY()
 
    struct FPreAnimationParameters
    {
        UE::MovieScene::FSystemTaskPrerequisites* Prerequisites;
        UE::MovieScene::FSystemSubsequentTasks* Subsequents;
        UE::MovieScene::FPreAnimatedStateExtension* CacheExtension;
    };
 
    virtual void SavePreAnimatedState(const FPreAnimationParameters& InParameters) {}
    virtual void RestorePreAnimatedState(const FPreAnimationParameters& InParameters) {}
};
 
 
UCLASS(MinimalAPI)
class UMovieSceneCachePreAnimatedStateSystem
    : public UMovieSceneEntityInstantiatorSystem
{
public:
 
    GENERATED_BODY()
 
    UMovieSceneCachePreAnimatedStateSystem(const FObjectInitializer& ObjInit);
 
private:
 
    virtual bool IsRelevantImpl(UMovieSceneEntitySystemLinker* InLinker) const override;
    virtual void OnLink() override;
    virtual void OnUnlink() override;
    virtual void OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents) override final;
};
 
 
 
UCLASS(MinimalAPI)
class UMovieSceneRestorePreAnimatedStateSystem
    : public UMovieSceneEntityInstantiatorSystem
{
public:
 
    GENERATED_BODY()
 
    UMovieSceneRestorePreAnimatedStateSystem(const FObjectInitializer& ObjInit);
 
private:
 
    virtual bool IsRelevantImpl(UMovieSceneEntitySystemLinker* InLinker) const override;
    virtual void OnLink() override;
    virtual void OnUnlink() override;
    virtual void OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents) override final;
 
    TSharedPtr<UE::MovieScene::FPreAnimatedStateExtension> PreAnimatedStateRef;
};