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2025-05-18 13:04:45 +08:00

104 lines
3.4 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "ISequencerSection.h"
#include "MovieSceneTrackEditor.h"
struct FBuildEditWidgetParams;
struct FAssetData;
class FMenuBuilder;
class FSequencerSectionPainter;
class UMovieSceneGeometryCacheSection;
class UMovieSceneSequence;
class UGeometryCacheComponent;
/**
* Tools for Geometry Cache tracks
*/
class GEOMETRYCACHESEQUENCER_API FGeometryCacheTrackEditor : public FMovieSceneTrackEditor
{
public:
/**
* Constructor
*
* @param InSequencer The sequencer instance to be used by this tool
*/
FGeometryCacheTrackEditor( TSharedRef<ISequencer> InSequencer );
/** Virtual destructor. */
virtual ~FGeometryCacheTrackEditor() { }
/**
* Creates an instance of this class. Called by a sequencer
*
* @param OwningSequencer The sequencer instance to be used by this tool
* @return The new instance of this class
*/
static TSharedRef<ISequencerTrackEditor> CreateTrackEditor( TSharedRef<ISequencer> OwningSequencer );
public:
// ISequencerTrackEditor interface
virtual FText GetDisplayName() const override;
virtual void BuildObjectBindingTrackMenu(FMenuBuilder& MenuBuilder, const TArray<FGuid>& ObjectBindings, const UClass* ObjectClass) override;
virtual TSharedRef<ISequencerSection> MakeSectionInterface( UMovieSceneSection& SectionObject, UMovieSceneTrack& Track, FGuid ObjectBinding ) override;
virtual bool SupportsSequence(UMovieSceneSequence* InSequence) const override;
virtual bool SupportsType( TSubclassOf<UMovieSceneTrack> Type ) const override;
virtual TSharedPtr<SWidget> BuildOutlinerEditWidget(const FGuid& ObjectBinding, UMovieSceneTrack* Track, const FBuildEditWidgetParams& Params) override;
virtual const FSlateBrush* GetIconBrush() const override;
private:
void BuildGeometryCacheTrack(TArray<FGuid> ObjectBindings, UMovieSceneTrack* Track);
/** Delegate for AnimatablePropertyChanged in AddKey */
FKeyPropertyResult AddKeyInternal(FFrameNumber KeyTime, UObject* Object, UGeometryCacheComponent* GeomCacheComp, UMovieSceneTrack* Track);
};
/** Class for animation sections */
class FGeometryCacheSection
: public ISequencerSection
, public TSharedFromThis<FGeometryCacheSection>
{
public:
/** Constructor. */
FGeometryCacheSection( UMovieSceneSection& InSection, TWeakPtr<ISequencer> InSequencer);
/** Virtual destructor. */
virtual ~FGeometryCacheSection() { }
public:
// ISequencerSection interface
virtual UMovieSceneSection* GetSectionObject() override;
virtual FText GetSectionTitle() const override;
virtual float GetSectionHeight() const override;
virtual int32 OnPaintSection( FSequencerSectionPainter& Painter ) const override;
virtual void BeginResizeSection() override;
virtual void ResizeSection(ESequencerSectionResizeMode ResizeMode, FFrameNumber ResizeTime) override;
virtual void BeginSlipSection() override;
virtual void SlipSection(FFrameNumber SlipTime) override;
virtual void BeginDilateSection() override;
virtual void DilateSection(const TRange<FFrameNumber>& NewRange, float DilationFactor) override;
private:
/** The section we are visualizing */
UMovieSceneGeometryCacheSection& Section;
/** Used to draw animation frame, need selection state and local time*/
TWeakPtr<ISequencer> Sequencer;
/** Cached first loop start offset value valid only during resize */
FFrameNumber InitialFirstLoopStartOffsetDuringResize;
/** Cached start time valid only during resize */
FFrameNumber InitialStartTimeDuringResize;
};