Files
UnrealEngine/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_CommutativeAssociativeBinaryOperator.h
2025-05-18 13:04:45 +08:00

65 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "EdGraph/EdGraphPin.h"
#include "HAL/Platform.h"
#include "K2Node_AddPinInterface.h"
#include "K2Node_CallFunction.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "K2Node_CommutativeAssociativeBinaryOperator.generated.h"
class UEdGraph;
class UObject;
UCLASS(MinimalAPI)
class UK2Node_CommutativeAssociativeBinaryOperator : public UK2Node_CallFunction, public IK2Node_AddPinInterface
{
GENERATED_UCLASS_BODY()
/** The number of additional input pins to generate for this node (2 base pins are not included) */
UPROPERTY()
int32 NumAdditionalInputs;
private:
const static int32 BinaryOperatorInputsNum = 2;
FEdGraphPinType GetType() const;
void AddInputPinInner(int32 AdditionalPinIndex);
protected:
bool CanRemovePin(const UEdGraphPin* Pin) const override;
public:
BLUEPRINTGRAPH_API UEdGraphPin* FindOutPin() const;
BLUEPRINTGRAPH_API UEdGraphPin* FindSelfPin() const;
/** Get TRUE input type (self, etc.. are skipped) */
BLUEPRINTGRAPH_API UEdGraphPin* GetInputPin(int32 InputPinIndex);
/** Returns the number of additional input pins that this node has */
BLUEPRINTGRAPH_API int32 GetNumberOfAdditionalInputs() const { return NumAdditionalInputs; }
virtual void RemoveInputPin(UEdGraphPin* Pin) override;
// UEdGraphNode interface
virtual void AllocateDefaultPins() override;
virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
virtual void GetNodeContextMenuActions(class UToolMenu* Menu, class UGraphNodeContextMenuContext* Context) const override;
virtual bool IncludeParentNodeContextMenu() const override { return true; }
// End of UEdGraphNode interface
// UK2Node interface
virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
// End of UK2Node interface
// IK2Node_AddPinInterface interface
BLUEPRINTGRAPH_API virtual void AddInputPin() override;
virtual bool CanAddPin() const override;
// End of IK2Node_AddPinInterface interface
};