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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]
37 lines
1.4 KiB
C++
37 lines
1.4 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 "ConnectionDrawingPolicy.h"
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class FSlateWindowElementList;
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class UEdGraph;
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class UMaterialGraph;
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class UMaterialGraphSchema;
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/////////////////////////////////////////////////////
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// FMaterialGraphConnectionDrawingPolicy
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// This class draws the connections for an UEdGraph using a MaterialGraph schema
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class FMaterialGraphConnectionDrawingPolicy : public FConnectionDrawingPolicy
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{
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protected:
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UMaterialGraph* MaterialGraph;
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const UMaterialGraphSchema* MaterialGraphSchema;
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// Each time a knot is encountered, input geometry is compared to output geometry to see if the pins on the knot need to be reversed
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TMap<class UMaterialGraphNode_Knot*, bool> KnotToReversedDirectionMap;
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bool ShouldChangeTangentForKnot(class UMaterialGraphNode_Knot* Knot);
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bool GetAverageConnectedPosition(class UMaterialGraphNode_Knot* Knot, EEdGraphPinDirection Direction, FVector2D& OutPos) const;
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bool FindPinCenter(UEdGraphPin* Pin, FVector2D& OutCenter) const;
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public:
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FMaterialGraphConnectionDrawingPolicy(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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// End of FConnectionDrawingPolicy interface
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};
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