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96 lines
3.8 KiB
C++
96 lines
3.8 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 "UObject/ObjectMacros.h"
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#include "K2Node_EditablePinBase.h"
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#include "EdGraph/EdGraphPin.h"
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#include "K2Node_Tunnel.generated.h"
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UCLASS()
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class BLUEPRINTGRAPH_API UK2Node_Tunnel : public UK2Node_EditablePinBase
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{
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GENERATED_UCLASS_BODY()
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// A tunnel node either has output pins that came from another tunnel's input pins, or vice versa
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// Note: OutputSourceNode might be equal to InputSinkNode
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// The output pins of this tunnel node came from the input pins of OutputSourceNode
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UPROPERTY()
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TObjectPtr<UK2Node_Tunnel> OutputSourceNode;
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// The input pins of this tunnel go to the output pins of InputSinkNode
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UPROPERTY()
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TObjectPtr<UK2Node_Tunnel> InputSinkNode;
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// Whether this node is allowed to have inputs
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UPROPERTY()
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uint32 bCanHaveInputs:1;
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// Whether this node is allowed to have outputs
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UPROPERTY()
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uint32 bCanHaveOutputs:1;
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// The metadata for the function/subgraph associated with this tunnel node; it's only editable and used
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// on the tunnel entry node inside the subgraph or macro. This structure is ignored on any other tunnel nodes.
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UPROPERTY()
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struct FKismetUserDeclaredFunctionMetadata MetaData;
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//~ Begin UEdGraphNode Interface.
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virtual void DestroyNode() override;
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virtual void PostPasteNode() override;
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virtual FText GetTooltipText() const override;
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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virtual bool CanUserDeleteNode() const override;
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virtual bool CanDuplicateNode() const override;
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virtual UObject* GetJumpTargetForDoubleClick() const override;
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virtual FName CreateUniquePinName(FName SourcePinName) const override;
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virtual void ReallocatePinsDuringReconstruction(TArray<UEdGraphPin*>& OldPins) override;
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virtual bool IsCompatibleWithGraph(const UEdGraph* InGraph) const override;
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//~ End UEdGraphNode Interface
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//~ Begin UK2Node Interface.
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virtual bool IsNodeSafeToIgnore() const override;
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virtual bool DrawNodeAsEntry() const override;
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virtual bool DrawNodeAsExit() const override;
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virtual bool NodeCausesStructuralBlueprintChange() const override { return true; }
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virtual void ClearCachedBlueprintData(UBlueprint* Blueprint) override;
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virtual void ValidateNodeDuringCompilation(FCompilerResultsLog& MessageLog) const override;
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virtual void FixupPinStringDataReferences(FArchive* SavingArchive) override;
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//~ End UK2Node Interface
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//~ Begin UK2Node_EditablePinBase Interface.
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virtual UEdGraphPin* CreatePinFromUserDefinition(const TSharedPtr<FUserPinInfo> NewPinInfo) override;
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virtual bool CanModifyExecutionWires() override;
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virtual ERenamePinResult RenameUserDefinedPinImpl(const FName OldName, const FName NewName, bool bTest = false) override;
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virtual bool CanUseRefParams() const override { return true; }
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virtual bool CanCreateUserDefinedPin(const FEdGraphPinType& InPinType, EEdGraphPinDirection InDesiredDirection, FText& OutErrorMessage) override;
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virtual bool ModifyUserDefinedPinDefaultValue(TSharedPtr<FUserPinInfo> PinInfo, const FString& NewDefaultValue) override;
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//~ End UK2Node_EditablePinBase Interface
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protected:
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/**
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* Handles any work needed to be done after fixing up all wildcard pins during reconstruction
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*
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* @param bInAllWildcardPinsUnlinked TRUE if all wildcard pins were unlinked
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*/
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virtual void PostFixupAllWildcardPins(bool bInAllWildcardPinsUnlinked) {}
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// Utility function that subclasses must call after allocating their default pins
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void CacheWildcardPins();
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// Cache of the pins that were created as wildcards
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TArray<UEdGraphPin*> WildcardPins;
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public:
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// The input pins of this tunnel go to the output pins of InputSinkNode (can be NULL).
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virtual UK2Node_Tunnel* GetInputSink() const;
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// The output pins of this tunnel node came from the input pins of OutputSourceNode (can be NULL).
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virtual UK2Node_Tunnel* GetOutputSource() const;
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};
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