108 lines
4.8 KiB
C++
108 lines
4.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/ArrayView.h"
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#include "CoreTypes.h"
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#include "CurveEditorTypes.h"
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#include "CurveModel.h"
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#include "IBufferedCurveModel.h"
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#include "Math/Range.h"
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#include "Misc/Attribute.h"
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#include "Misc/OptionalFwd.h"
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#include "Templates/Tuple.h"
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#include "Templates/UniquePtr.h"
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#include "UObject/UnrealType.h"
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#include "UObject/WeakObjectPtr.h"
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#include "UObject/WeakObjectPtrTemplates.h"
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#define UE_API CURVEEDITOR_API
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class FCurveEditor;
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class IBufferedCurveModel;
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class UObject;
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struct FCurveAttributes;
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struct FCurveEditorScreenSpace;
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struct FKeyAttributes;
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struct FKeyDrawInfo;
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struct FKeyHandle;
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struct FKeyPosition;
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struct FRichCurve;
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class FRichCurveEditorModel : public FCurveModel
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{
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public:
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UE_API FRichCurveEditorModel(UObject* InOwner);
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UE_API virtual const void* GetCurve() const override;
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UE_API virtual void Modify() override;
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UE_API virtual void DrawCurve(const FCurveEditor& CurveEditor, const FCurveEditorScreenSpace& ScreenSpace, TArray<TTuple<double, double>>& InterpolatingPoints) const override;
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UE_API virtual void GetKeys(double MinTime, double MaxTime, double MinValue, double MaxValue, TArray<FKeyHandle>& OutKeyHandles) const override;
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UE_API virtual void GetKeyDrawInfo(ECurvePointType PointType, const FKeyHandle InKeyHandle, FKeyDrawInfo& OutDrawInfo) const override;
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UE_API virtual void GetKeyPositions(TArrayView<const FKeyHandle> InKeys, TArrayView<FKeyPosition> OutKeyPositions) const override;
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UE_API virtual void SetKeyPositions(TArrayView<const FKeyHandle> InKeys, TArrayView<const FKeyPosition> InKeyPositions, EPropertyChangeType::Type ChangeType) override;
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UE_API virtual void GetKeyAttributes(TArrayView<const FKeyHandle> InKeys, TArrayView<FKeyAttributes> OutAttributes) const override;
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UE_API virtual void GetKeyAttributesExcludingAutoComputed(TArrayView<const FKeyHandle> InKeys, TArrayView<FKeyAttributes> OutAttributes) const override;
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UE_API virtual void SetKeyAttributes(TArrayView<const FKeyHandle> InKeys, TArrayView<const FKeyAttributes> InAttributes, EPropertyChangeType::Type ChangeType = EPropertyChangeType::Unspecified) override;
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UE_API virtual void GetCurveAttributes(FCurveAttributes& OutCurveAttributes) const override;
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UE_API virtual void SetCurveAttributes(const FCurveAttributes& InCurveAttributes) override;
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UE_API virtual void GetTimeRange(double& MinTime, double& MaxTime) const override;
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UE_API virtual void GetValueRange(double& MinValue, double& MaxValue) const override;
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UE_API virtual int32 GetNumKeys() const override;
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UE_API virtual void GetNeighboringKeys(const FKeyHandle InKeyHandle, TOptional<FKeyHandle>& OutPreviousKeyHandle, TOptional<FKeyHandle>& OutNextKeyHandle) const override;
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UE_API virtual TPair<ERichCurveInterpMode, ERichCurveTangentMode> GetInterpolationMode(const double& InTime, ERichCurveInterpMode DefaultInterpolationMode, ERichCurveTangentMode DefaultTangentMode) const override;
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UE_API virtual bool Evaluate(double ProspectiveTime, double& OutValue) const override;
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UE_API virtual void AddKeys(TArrayView<const FKeyPosition> InKeyPositions, TArrayView<const FKeyAttributes> InAttributes, TArrayView<TOptional<FKeyHandle>>* OutKeyHandles) override;
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UE_API virtual void RemoveKeys(TArrayView<const FKeyHandle> InKeys, double InCurrentTime) override;
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UE_API virtual void CreateKeyProxies(TWeakPtr<FCurveEditor> InWeakCurveEditor, FCurveModelID InCurveModelID, TArrayView<const FKeyHandle> InKeyHandles, TArrayView<UObject*> OutObjects) override;
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UE_API virtual TUniquePtr<IBufferedCurveModel> CreateBufferedCurveCopy() const override;
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// Set a range to clamp key input values
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void SetClampInputRange(TAttribute<TRange<double>> InClampInputRange) { ClampInputRange = InClampInputRange; }
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// Check for whether this rich curve is valid. This is required mostly in the case of undo/redo, where
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// curves can potentially become invalid underneath this model before owners get their undo/redo callbacks
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virtual bool IsValid() const = 0;
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// Get the rich curve we are operating on
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virtual FRichCurve& GetRichCurve() = 0;
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virtual const FRichCurve& GetReadOnlyRichCurve() const = 0;
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private:
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TWeakObjectPtr<> WeakOwner;
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TAttribute<TRange<double>> ClampInputRange;
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};
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// Rich curve model operating on a raw curve ptr
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class FRichCurveEditorModelRaw : public FRichCurveEditorModel
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{
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public:
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UE_API FRichCurveEditorModelRaw(FRichCurve* InRichCurve, UObject* InOwner);
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UE_API virtual bool IsReadOnly() const override;
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UE_API void SetIsReadOnly(TAttribute<bool> InReadOnlyAttribute);
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// FRichCurveEditorModel interface
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virtual bool IsValid() const override { return RichCurve != nullptr; }
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UE_API virtual FRichCurve& GetRichCurve() override;
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UE_API virtual const FRichCurve& GetReadOnlyRichCurve() const override;
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private:
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FRichCurve* RichCurve;
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TAttribute<bool> ReadOnlyAttribute;
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};
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#undef UE_API
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