Files
UnrealEngine/Engine/Source/Editor/MovieSceneTools/Public/Channels/PiecewiseCurveModel.h
2025-05-18 13:04:45 +08:00

69 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CurveModel.h"
#include "Misc/Attribute.h"
namespace UE::MovieScene
{
struct FPiecewiseCurve;
class FPiecewiseCurveModel : public FCurveModel
{
public:
TAttribute<const UE::MovieScene::FPiecewiseCurve*> CurveAttribute;
TAttribute<FFrameRate> FrameRateAttribute;
TAttribute<FTransform2d> CurveTransformAttribute;
FPiecewiseCurveModel()
{
Color = FLinearColor(0.1f,0.1f,0.1f);
}
// FCurveModel
const void* GetCurve() const override
{
return nullptr;
}
void Modify() override
{
}
void GetKeys(double MinTime, double MaxTime, double MinValue, double MaxValue, TArray<FKeyHandle>& OutKeyHandles) const override
{
}
void AddKeys(TArrayView<const FKeyPosition> InPositions, TArrayView<const FKeyAttributes> InAttributes, TArrayView<TOptional<FKeyHandle>>* OutKeyHandles) override
{
}
void RemoveKeys(TArrayView<const FKeyHandle> InKeys, double InCurrentTime) override
{
}
void GetKeyPositions(TArrayView<const FKeyHandle> InKeys, TArrayView<FKeyPosition> OutKeyPositions) const override
{
}
void SetKeyPositions(TArrayView<const FKeyHandle> InKeys, TArrayView<const FKeyPosition> InKeyPositions, EPropertyChangeType::Type ChangeType = EPropertyChangeType::Unspecified) override
{
}
void GetKeyDrawInfo(ECurvePointType PointType, const FKeyHandle InKeyHandle, FKeyDrawInfo& OutDrawInfo) const override
{
}
int32 GetNumKeys() const override
{
return 0;
}
void GetNeighboringKeys(const FKeyHandle InKeyHandle, TOptional<FKeyHandle>& OutPreviousKeyHandle, TOptional<FKeyHandle>& OutNextKeyHandle) const override
{
}
bool IsReadOnly() const override { return true; }
FTransform2d GetCurveTransform() const override { return CurveTransformAttribute.Get(); }
bool Evaluate(double InTime, double& OutValue) const override;
void DrawCurve(const FCurveEditor& CurveEditor, const FCurveEditorScreenSpace& ScreenSpace, TArray<TTuple<double, double>>& InterpolatingPoints) const override;
void GetTimeRange(double& MinTime, double& MaxTime) const override;
void GetValueRange(double& MinValue, double& MaxValue) const override;
};
} // namespace UE::MovieScene