MovieSceneTimeWarpDecoration.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "UObject/Interface.h"
#include "EntitySystem/IMovieSceneEntityProvider.h"
#include "MovieSceneTimeWarpDecoration.generated.h"
 
 
struct FMovieSceneSequenceTransform;
struct FMovieSceneNestedSequenceTransform;
 
 
UINTERFACE(MinimalAPI)
class UMovieSceneTimeWarpSource : public UInterface
{
public:
    GENERATED_BODY()
};
 
class IMovieSceneTimeWarpSource
{
public:
    GENERATED_BODY()
 
    virtual FMovieSceneNestedSequenceTransform GenerateTimeWarpTransform() = 0;
 
    virtual bool IsTimeWarpActive() const = 0;
 
    virtual void SetIsTimeWarpActive(bool bInActive) = 0;
 
    virtual int32 GetTimeWarpSortOrder() const = 0;
};
 
 
UCLASS(MinimalAPI)
class UMovieSceneTimeWarpDecoration
    : public UObject
    , public IMovieSceneEntityProvider
{
public:
 
    GENERATED_BODY()
 
    MOVIESCENE_API FMovieSceneSequenceTransform GenerateTransform() const;
 
    MOVIESCENE_API void OnCompiled();
 
    MOVIESCENE_API void AddTimeWarpSource(TScriptInterface<IMovieSceneTimeWarpSource> InSource);
 
    MOVIESCENE_API void RemoveTimeWarpSource(TScriptInterface<IMovieSceneTimeWarpSource> InSource);
 
    bool HasAnySources() const { return !Sources.IsEmpty(); }
 
private:
 
    virtual void ImportEntityImpl(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity) override;
    virtual bool PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& EffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder) override;
 
    virtual void Serialize(FArchive& AR) override;
private:
 
 
    UPROPERTY()
    TArray<TScriptInterface<IMovieSceneTimeWarpSource>> Sources;
};