MovieSceneHookSection.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/ArrayView.h"
#include "CoreTypes.h"
#include "EntitySystem/IMovieSceneEntityProvider.h"
#include "Evaluation/IMovieSceneEvaluationHook.h"
#include "MovieSceneSection.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "MovieSceneHookSection.generated.h"
 
class UMovieSceneEntitySystemLinker;
class UObject;
struct FFrameNumber;
struct FMovieSceneEntityComponentFieldBuilder;
struct FMovieSceneEvaluationFieldEntityMetaData;
template <typename ElementType> class TRange;
 
 
UCLASS(MinimalAPI)
class UMovieSceneHookSection
    : public UMovieSceneSection
    , public IMovieSceneEntityProvider
    , public IMovieSceneEvaluationHook
{
public:
 
    GENERATED_BODY()
 
    MOVIESCENE_API UMovieSceneHookSection(const FObjectInitializer&);
 
    virtual TArrayView<const FFrameNumber> GetTriggerTimes() const { return TArrayView<const FFrameNumber>(); }
 
protected:
 
    /*~ Implemented in derived classes
 
    virtual void Begin(TSharedRef<FSharedPlaybackState> SharedPlaybackState, const UE::MovieScene::FEvaluationHookParams& Params) const override;
    virtual void Update(TSharedRef<FSharedPlaybackState> SharedPlaybackState, const UE::MovieScene::FEvaluationHookParams& Params) const override;
    virtual void End(TSharedRef<FSharedPlaybackState> SharedPlaybackState, const UE::MovieScene::FEvaluationHookParams& Params) const override;
 
    virtual void Trigger(TSharedRef<FSharedPlaybackState> SharedPlaybackState, const UE::MovieScene::FEvaluationHookParams& Params) const override;
 
    */
 
    MOVIESCENE_API virtual void ImportEntityImpl(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity) override;
    MOVIESCENE_API virtual bool PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& EffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder) override;
 
    MOVIESCENE_API void ImportRangedEntity(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity);
    MOVIESCENE_API void ImportTriggerEntity(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity);
 
protected:
 
    UPROPERTY()
    uint8 bRequiresRangedHook : 1;
 
    UPROPERTY()
    uint8 bRequiresTriggerHooks : 1;
};