86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "CoreMinimal.h"
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#include "EdGraph/EdGraphNode.h"
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#include "EdGraph/EdGraphNodeUtils.h"
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#include "Engine/Blueprint.h"
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#include "Internationalization/Text.h"
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#include "K2Node_Variable.h"
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#include "KismetCompilerMisc.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/UObjectGlobals.h"
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#include "UObject/UnrealType.h"
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#include "K2Node_VariableGet.generated.h"
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class FArchive;
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class FProperty;
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class UEdGraph;
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class UEdGraphPin;
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class UObject;
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struct FBPVariableDescription;
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struct FEdGraphPinType;
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UENUM()
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enum class EGetNodeVariation
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{
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Pure,
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ValidatedObject,
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Branch,
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};
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UCLASS()
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class BLUEPRINTGRAPH_API UK2Node_VariableGet : public UK2Node_Variable
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{
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GENERATED_UCLASS_BODY()
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public:
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//~ Begin UObject Interface
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virtual void Serialize(FArchive& Ar) override;
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//~ End UObject Interface
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//~ Begin UEdGraphNode Interface
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virtual void AllocateDefaultPins() 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 void GetNodeContextMenuActions(class UToolMenu* Menu, class UGraphNodeContextMenuContext* Context) const override;
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virtual bool IncludeParentNodeContextMenu() const override { return true; }
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virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
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//~ End UEdGraphNode Interface
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//~ Begin K2Node Interface
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virtual bool IsNodePure() const override { return CurrentVariation == EGetNodeVariation::Pure; }
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virtual void ReallocatePinsDuringReconstruction(TArray<UEdGraphPin*>& OldPins) override;
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virtual bool ShouldShowNodeProperties() const override { return true; }
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virtual class FNodeHandlingFunctor* CreateNodeHandler(class FKismetCompilerContext& CompilerContext) const override;
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virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
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//~ End K2Node Interface
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static FText GetPropertyTooltip(const FProperty* VariableProperty);
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static FText GetBlueprintVarTooltip(const FBPVariableDescription& VarDesc);
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private:
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/** Adds pins required for the node to function in a impure manner */
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void CreateImpurePins(TArray<UEdGraphPin*>* InOldPinsPtr);
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/** Flips the node's purity (adding/removing exec pins as needed). */
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void TogglePurity(EGetNodeVariation BoundVariation);
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/** Constructing FText strings can be costly, so we cache the node's title/tooltip */
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FNodeTextCache CachedTooltip;
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FNodeTextCache CachedNodeTitle;
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UPROPERTY()
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bool bIsPureGet_DEPRECATED = true;
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UPROPERTY()
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EGetNodeVariation CurrentVariation;
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};
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