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#rnx #rb none #ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904 #ROBOMERGE-BOT: (v613-10869866) [CL 10870586 by ryan durand in Main branch]
47 lines
2.0 KiB
C++
47 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Layout/ArrangedWidget.h"
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#include "Widgets/SWidget.h"
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#include "ConnectionDrawingPolicy.h"
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class FSlateWindowElementList;
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class UEdGraph;
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/////////////////////////////////////////////////////
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// FStateMachineConnectionDrawingPolicy
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// This class draws the connections for an UEdGraph with a state machine schema
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class FStateMachineConnectionDrawingPolicy : public FConnectionDrawingPolicy
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{
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protected:
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UEdGraph* GraphObj;
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TMap<UEdGraphNode*, int32> NodeWidgetMap;
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public:
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//
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FStateMachineConnectionDrawingPolicy(int32 InBackLayerID, int32 InFrontLayerID, float ZoomFactor, const FSlateRect& InClippingRect, FSlateWindowElementList& InDrawElements, UEdGraph* InGraphObj);
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// FConnectionDrawingPolicy interface
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virtual void DetermineWiringStyle(UEdGraphPin* OutputPin, UEdGraphPin* InputPin, /*inout*/ FConnectionParams& Params) override;
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virtual void Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& PinGeometries, FArrangedChildren& ArrangedNodes) override;
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virtual void DetermineLinkGeometry(
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FArrangedChildren& ArrangedNodes,
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TSharedRef<SWidget>& OutputPinWidget,
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UEdGraphPin* OutputPin,
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UEdGraphPin* InputPin,
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/*out*/ FArrangedWidget*& StartWidgetGeometry,
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/*out*/ FArrangedWidget*& EndWidgetGeometry
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) override;
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virtual void DrawSplineWithArrow(const FGeometry& StartGeom, const FGeometry& EndGeom, const FConnectionParams& Params) override;
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virtual void DrawSplineWithArrow(const FVector2D& StartPoint, const FVector2D& EndPoint, const FConnectionParams& Params) override;
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virtual void DrawPreviewConnector(const FGeometry& PinGeometry, const FVector2D& StartPoint, const FVector2D& EndPoint, UEdGraphPin* Pin) override;
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virtual FVector2D ComputeSplineTangent(const FVector2D& Start, const FVector2D& End) const override;
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// End of FConnectionDrawingPolicy interface
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protected:
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void Internal_DrawLineWithArrow(const FVector2D& StartAnchorPoint, const FVector2D& EndAnchorPoint, const FConnectionParams& Params);
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};
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