Files
UnrealEngine/Engine/Plugins/Experimental/CommonConversation/Source/CommonConversationGraph/Public/ConversationGraphNode_Knot.h
2025-05-18 13:04:45 +08:00

52 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "EdGraph/EdGraphNode.h"
#include "ConversationGraphNode_Knot.generated.h"
class SGraphNode;
class UConversationGraphNode;
UCLASS(MinimalAPI)
class UConversationGraphNode_Knot : public UEdGraphNode
{
GENERATED_UCLASS_BODY()
public:
// UEdGraphNode interface
virtual void AllocateDefaultPins() override;
virtual FText GetTooltipText() const override;
virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
virtual bool ShouldOverridePinNames() const override;
virtual FText GetPinNameOverride(const UEdGraphPin& Pin) const override;
virtual void OnRenameNode(const FString& NewName) override;
virtual TSharedPtr<class INameValidatorInterface> MakeNameValidator() const override;
virtual bool CanSplitPin(const UEdGraphPin* Pin) const override;
virtual bool IsCompilerRelevant() const override { return false; }
virtual UEdGraphPin* GetPassThroughPin(const UEdGraphPin* FromPin) const override;
virtual TSharedPtr<SGraphNode> CreateVisualWidget() override;
virtual bool ShouldDrawNodeAsControlPointOnly(int32& OutInputPinIndex, int32& OutOutputPinIndex) const override { OutInputPinIndex = 0; OutOutputPinIndex = 1; return true; }
// End of UEdGraphNode interface
UEdGraphPin* GetInputPin() const
{
return Pins[0];
}
UEdGraphPin* GetOutputPin() const
{
return Pins[1];
}
void GatherAllInBoundGraphNodes(TArray<UConversationGraphNode*>& OutGraphNodes) const;
void GatherAllOutBoundGraphNodes(TArray<UConversationGraphNode*>& OutGraphNodes) const;
bool IsOutBoundConnectionAllowed(const UConversationGraphNode* OtherNode, FText& OutErrorMessage) const;
bool IsOutBoundConnectionAllowed(const UConversationGraphNode_Knot* OtherKnotNode, FText& OutErrorMessage) const;
private:
void GatherAllInBoundGraphNodes_Internal(TArray<UConversationGraphNode*>& OutGraphNodes, TArray<const UConversationGraphNode_Knot*>& VisitedKnots) const;
void GatherAllOutBoundGraphNodes_Internal(TArray<UConversationGraphNode*>& OutGraphNodes, TArray<const UConversationGraphNode_Knot*>& VisitedKnots) const;
};