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125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "SCurveEditor.h"
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/**
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* Customizes a RuntimeFloatCurve struct to display a Curve Editor
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*/
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class FCurveStructCustomization : public IPropertyTypeCustomization, public FCurveOwnerInterface
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{
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public:
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static TSharedRef<IPropertyTypeCustomization> MakeInstance();
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/**
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* Destructor
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*/
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virtual ~FCurveStructCustomization();
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/** IPropertyTypeCustomization interface */
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virtual void CustomizeHeader( TSharedRef<class IPropertyHandle> InStructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) OVERRIDE;
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virtual void CustomizeChildren( TSharedRef<class IPropertyHandle> InStructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) OVERRIDE;
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/** FCurveOwnerInterface interface */
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virtual TArray<FRichCurveEditInfoConst> GetCurves() const OVERRIDE;
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virtual TArray<FRichCurveEditInfo> GetCurves() OVERRIDE;
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virtual UObject* GetOwner() OVERRIDE;
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virtual void ModifyOwner() OVERRIDE;
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virtual void MakeTransactional() OVERRIDE;
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private:
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/**
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* Constructor
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*/
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FCurveStructCustomization();
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/**
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* Get View Min Input for the Curve Editor
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*/
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float GetViewMinInput() const { return ViewMinInput; }
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/**
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* Get View Min Input for the Curve Editor
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*/
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float GetViewMaxInput() const { return ViewMaxInput; }
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/**
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* Get Timeline Length for the Curve Editor
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*/
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float GetTimelineLength() const;
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/**
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* Set View Min and Max Inputs for the Curve Editor
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*/
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void SetInputViewRange(float InViewMinInput, float InViewMaxInput);
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/**
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* Called when RuntimeFloatCurve's External Curve is changed
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*/
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void OnExternalCurveChanged();
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/**
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* Called when button clicked to create an External Curve
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*/
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FReply OnCreateButtonClicked();
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/**
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* Whether Create button is enabled
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*/
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bool IsCreateButtonEnabled() const;
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/**
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* Called when button clicked to convert External Curve to internal curve
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*/
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FReply OnConvertButtonClicked();
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/**
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* Whether Convert button is enabled
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*/
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bool IsConvertButtonEnabled() const;
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/**
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* Called when user double clicks on the curve preview to open a full size editor
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*/
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FReply OnCurvePreviewDoubleClick( const FGeometry& InMyGeometry, const FPointerEvent& InMouseEvent );
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/**
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* Copies data from one Rich Curve to another
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*/
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static void CopyCurveData( const FRichCurve* SrcCurve, FRichCurve* DestCurve );
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/**
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* Destroys the pop out window used for editing internal curves.
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*/
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void DestroyPopOutWindow();
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private:
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/** Cached RuntimeFloatCurve struct handle */
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TSharedPtr<IPropertyHandle> StructPropertyHandle;
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/** Cached External Curve handle */
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TSharedPtr<IPropertyHandle> ExternalCurveHandle;
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/** Small preview Curve Editor */
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TSharedPtr<class SCurveEditor> CurveWidget;
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/** Window for pop out Curve Editor */
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TWeakPtr<SWindow> CurveEditorWindow;
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/** Cached pointer to the actual RuntimeFloatCurve struct */
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struct FRuntimeFloatCurve* RuntimeCurve;
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/** Object that owns the RuntimeFloatCurve */
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class UObject* Owner;
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/** View Min Input for the Curve Editor */
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float ViewMinInput;
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/** View Max Input for the Curve Editor */
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float ViewMaxInput;
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/** Size of the pop out Curve Editor window */
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static const FVector2D DEFAULT_WINDOW_SIZE;
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};
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