MovieScenePropertySystem.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "EntitySystem/MovieSceneEntitySystem.h"
#include "EntitySystem/MovieSceneEntityIDs.h"
#include "EntitySystem/MovieScenePropertySystemTypes.h"
#include "EntitySystem/MovieScenePreAnimatedStateSystem.h"
#include "MovieScenePropertySystem.generated.h"
 
class UMovieScenePropertyInstantiatorSystem;
 
 
UCLASS(Abstract, MinimalAPI)
class UMovieScenePropertySystem
    : public UMovieSceneEntitySystem
    , public IMovieScenePreAnimatedStateSystemInterface
{
public:
    GENERATED_BODY()
 
    MOVIESCENETRACKS_API UMovieScenePropertySystem(const FObjectInitializer& ObjInit);
 
    template<typename PropertyTraits>
    void BindToProperty(const UE::MovieScene::TPropertyComponents<PropertyTraits>& InComponents)
    {
        check(!RelevantComponent && !CompositePropertyID);
 
        RelevantComponent = InComponents.PropertyTag;
        CompositePropertyID = InComponents.CompositeID;
    }
 
protected:
 
    MOVIESCENETRACKS_API virtual void OnLink() override;
    MOVIESCENETRACKS_API virtual void OnSchedulePersistentTasks(UE::MovieScene::IEntitySystemScheduler* TaskScheduler) override;
    MOVIESCENETRACKS_API virtual void OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents) override;
 
    MOVIESCENETRACKS_API virtual void SavePreAnimatedState(const FPreAnimationParameters& InParameters) override;
    MOVIESCENETRACKS_API virtual void RestorePreAnimatedState(const FPreAnimationParameters& InParameters) override;
 
    UPROPERTY()
    TObjectPtr<UMovieScenePropertyInstantiatorSystem> InstantiatorSystem;
 
    UE::MovieScene::FCompositePropertyTypeID CompositePropertyID;
 
    UE::MovieScene::FPreAnimatedStorageID PreAnimatedStorageID;
};