49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "ConnectionDrawingPolicy.h"
|
|
#include "Containers/Map.h"
|
|
#include "CoreMinimal.h"
|
|
#include "HAL/Platform.h"
|
|
#include "Layout/ArrangedWidget.h"
|
|
#include "Math/Vector2D.h"
|
|
#include "Templates/SharedPointer.h"
|
|
#include "Widgets/SWidget.h"
|
|
|
|
#define UE_API AIGRAPH_API
|
|
|
|
class FArrangedChildren;
|
|
class FArrangedWidget;
|
|
class FSlateRect;
|
|
class FSlateWindowElementList;
|
|
class SWidget;
|
|
class UEdGraph;
|
|
class UEdGraphNode;
|
|
class UEdGraphPin;
|
|
struct FGeometry;
|
|
|
|
class FAIGraphConnectionDrawingPolicy : public FConnectionDrawingPolicy
|
|
{
|
|
protected:
|
|
UEdGraph* GraphObj;
|
|
TMap<UEdGraphNode*, int32> NodeWidgetMap;
|
|
|
|
public:
|
|
UE_API FAIGraphConnectionDrawingPolicy(int32 InBackLayerID, int32 InFrontLayerID, float ZoomFactor, const FSlateRect& InClippingRect, FSlateWindowElementList& InDrawElements, UEdGraph* InGraphObj);
|
|
|
|
// FConnectionDrawingPolicy interface
|
|
UE_API virtual void DetermineWiringStyle(UEdGraphPin* OutputPin, UEdGraphPin* InputPin, /*inout*/ FConnectionParams& Params) override;
|
|
UE_API virtual void Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& PinGeometries, FArrangedChildren& ArrangedNodes) override;
|
|
UE_API virtual void DrawSplineWithArrow(const FGeometry& StartGeom, const FGeometry& EndGeom, const FConnectionParams& Params) override;
|
|
UE_API virtual void DrawSplineWithArrow(const FVector2f& StartPoint, const FVector2f& EndPoint, const FConnectionParams& Params) override;
|
|
UE_API virtual void DrawPreviewConnector(const FGeometry& PinGeometry, const FVector2f& StartPoint, const FVector2f& EndPoint, UEdGraphPin* Pin) override;
|
|
UE_API virtual FVector2f ComputeSplineTangent(const FVector2f& Start, const FVector2f& End) const override;
|
|
// End of FConnectionDrawingPolicy interface
|
|
|
|
protected:
|
|
UE_API void Internal_DrawLineWithArrow(const UE::Slate::FDeprecateVector2DParameter& StartAnchorPoint, const UE::Slate::FDeprecateVector2DParameter& EndAnchorPoint, const FConnectionParams& Params);
|
|
};
|
|
|
|
#undef UE_API
|