61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
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// 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 "UObject/ObjectMacros.h"
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#include "EdGraph/EdGraphNode.h"
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#include "MaterialGraphNode_Base.generated.h"
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class UEdGraphPin;
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class UEdGraphSchema;
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UCLASS(MinimalAPI)
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class UMaterialGraphNode_Base: public UEdGraphNode
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{
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GENERATED_UCLASS_BODY()
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/** Create all of the input pins required */
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virtual void CreateInputPins() {};
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/** Create all of the output pins required */
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virtual void CreateOutputPins() {};
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/** Is this the undeletable root node */
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virtual bool IsRootNode() const { return false; }
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/** Get a single Input Pin via its index */
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class UEdGraphPin* GetInputPin(int32 InputIndex) const;
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/** Get all of the Input Pins */
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UNREALED_API void GetInputPins(TArray<class UEdGraphPin*>& OutInputPins) const;
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/** Get a single Output Pin via its index */
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class UEdGraphPin* GetOutputPin(int32 OutputIndex) const;
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/** Get all of the Output Pins */
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UNREALED_API void GetOutputPins(TArray<class UEdGraphPin*>& OutOutputPins) const;
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/** Replace a given node with this one, changing all pin links */
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UNREALED_API void ReplaceNode(UMaterialGraphNode_Base* OldNode);
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/** Get the Material Expression input index from an input pin */
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virtual int32 GetInputIndex(const UEdGraphPin* InputPin) const { return -1; }
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/** Get the Material value type of an input pin */
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virtual uint32 GetInputType(const UEdGraphPin* InputPin) const;
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/**
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* Handles inserting the node between the FromPin and what the FromPin was original connected to
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*
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* @param FromPin The pin this node is being spawned from
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* @param NewLinkPin The new pin the FromPin will connect to
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* @param OutNodeList Any nodes that are modified will get added to this list for notification purposes
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*/
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void InsertNewNode(UEdGraphPin* FromPin, UEdGraphPin* NewLinkPin, TSet<UEdGraphNode*>& OutNodeList);
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//~ Begin UEdGraphNode Interface.
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virtual void AllocateDefaultPins() override;
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virtual void ReconstructNode() override;
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virtual void RemovePinAt(const int32 PinIndex, const EEdGraphPinDirection PinDirection) override;
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virtual void AutowireNewNode(UEdGraphPin* FromPin) override;
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virtual bool CanCreateUnderSpecifiedSchema(const UEdGraphSchema* Schema) const override;
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virtual FString GetDocumentationLink() const override;
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//~ End UEdGraphNode Interface.
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protected:
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void ModifyAndCopyPersistentPinData(UEdGraphPin& TargetPin, const UEdGraphPin& SourcePin) const;
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};
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