77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "CoreTypes.h"
|
|
#include "Decorations/MovieSceneTimeWarpDecoration.h"
|
|
#include "MovieSceneNameableTrack.h"
|
|
#include "MovieSceneTimeWarpTrack.generated.h"
|
|
|
|
struct FMovieSceneNestedSequenceTransform;
|
|
|
|
/**
|
|
* A track that can be added to any sequence to affect the playback position and speed of that sequence and all its subsequences
|
|
*/
|
|
UCLASS(MinimalAPI)
|
|
class UMovieSceneTimeWarpTrack
|
|
: public UMovieSceneTrack
|
|
, public IMovieSceneTimeWarpSource
|
|
{
|
|
GENERATED_BODY()
|
|
|
|
public:
|
|
|
|
/**
|
|
* Create and initialize a new instance.
|
|
*
|
|
* @param ObjectInitializer The object initializer.
|
|
*/
|
|
UMovieSceneTimeWarpTrack(const FObjectInitializer& ObjectInitializer);
|
|
|
|
/**
|
|
* Generate the a sequence transform that perform's this track's time-warp.
|
|
* @note: The resulting transform may be the identity transform
|
|
*/
|
|
MOVIESCENE_API virtual FMovieSceneNestedSequenceTransform GenerateTransform() const;
|
|
|
|
/** UMovieSceneTrack interface */
|
|
virtual bool SupportsType(TSubclassOf<UMovieSceneSection> SectionClass) const override;
|
|
virtual UMovieSceneSection* CreateNewSection() override;
|
|
|
|
|
|
public:
|
|
|
|
// UMovieSceneTrack interface
|
|
|
|
virtual void RemoveAllAnimationData() override;
|
|
virtual bool HasSection(const UMovieSceneSection& Section) const override;
|
|
virtual void AddSection(UMovieSceneSection& Section) override;
|
|
virtual void RemoveSection(UMovieSceneSection& Section) override;
|
|
virtual void RemoveSectionAt(int32 SectionIndex) override;
|
|
virtual bool IsEmpty() const override;
|
|
virtual const TArray<UMovieSceneSection*>& GetAllSections() const override;
|
|
virtual void OnAddedToMovieSceneImpl(UMovieScene* InMovieScene) override;
|
|
virtual void OnRemovedFromMovieSceneImpl() override;
|
|
|
|
virtual FMovieSceneNestedSequenceTransform GenerateTimeWarpTransform() override;
|
|
virtual bool IsTimeWarpActive() const override;
|
|
virtual void SetIsTimeWarpActive(bool bInUse) override;
|
|
virtual int32 GetTimeWarpSortOrder() const override;
|
|
|
|
#if WITH_EDITORONLY_DATA
|
|
virtual FText GetDisplayName() const override;
|
|
virtual FText GetDisplayNameToolTipText(const FMovieSceneLabelParams& LabelParams) const override;
|
|
virtual FName GetTrackName() const override;
|
|
#endif
|
|
|
|
private:
|
|
|
|
/** Array of sections contained within this track - should only ever be one. */
|
|
UPROPERTY()
|
|
TArray<TObjectPtr<UMovieSceneSection>> Sections;
|
|
|
|
/** True if this track is the active timewarp in its sequence. Assigned as part of compilation */
|
|
UPROPERTY()
|
|
bool bIsActiveTimeWarp = true;
|
|
};
|