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87868d7c1a
BlueprintSubscribedTo was a serialized UPROPERTY, so on load CreateOutputPins thought the current BP still matched what had already been bound and would skip rebinding the events. This resulted in nothing being bound during load, as the event bindings are transient, so also marking BlueprintSubscribedTo as transient fixes the issue. #jira #rb Phillip.Kavan #rnx #ROBOMERGE-AUTHOR: jamie.dale #ROBOMERGE-SOURCE: CL 20062693 via CL 20062704 via CL 20062807 via CL 20062833 #ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v943-19904690) [CL 20066331 by jamie dale in ue5-main branch]
114 lines
3.6 KiB
C++
114 lines
3.6 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.h"
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#include "K2Node_GetClassDefaults.generated.h"
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class FBlueprintActionDatabaseRegistrar;
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class UBlueprint;
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class UEdGraph;
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class UEdGraphPin;
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UCLASS(MinimalAPI)
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class UK2Node_GetClassDefaults : public UK2Node
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{
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GENERATED_UCLASS_BODY()
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//~ Begin UObject Interface
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virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
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virtual void PreEditChange(FProperty* PropertyAboutToChange) override;
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virtual void PostLoad() override;
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//~ End UObject Interface
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//~ Begin UEdGraphNode Interface
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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virtual void AllocateDefaultPins() override;
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virtual void PostPlacedNewNode() override;
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virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
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virtual void PinConnectionListChanged(UEdGraphPin* Pin) override;
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virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
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virtual bool HasExternalDependencies(TArray<class UStruct*>* OptionalOutput) const override;
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//~ End UEdGraphNode Interface
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//~ Begin UK2Node Interface
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virtual bool IsNodePure() const override { return true; }
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virtual bool ShouldShowNodeProperties() const override { return true; }
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virtual void ReallocatePinsDuringReconstruction(TArray<UEdGraphPin*>& OldPins) override;
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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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virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
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virtual FText GetMenuCategory() const override;
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//~ End UK2Node Interface
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public:
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/** Finds and returns the class input pin from the current set of pins. */
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BLUEPRINTGRAPH_API UEdGraphPin* FindClassPin() const
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{
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return FindClassPin(Pins);
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}
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/** Retrieves the current input class type. */
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BLUEPRINTGRAPH_API UClass* GetInputClass() const
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{
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return GetInputClass(FindClassPin());
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}
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void OnBlueprintClassModified(UBlueprint* TargetBlueprint);
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protected:
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/**
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* Finds and returns the class input pin.
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*
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* @param FromPins A list of pins to search.
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*/
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BLUEPRINTGRAPH_API UEdGraphPin* FindClassPin(const TArray<UEdGraphPin*>& FromPins) const;
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/**
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* Determines the input class type from the given pin.
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*
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* @param FromPin Input class pin.
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*/
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BLUEPRINTGRAPH_API UClass* GetInputClass(const UEdGraphPin* FromPin) const;
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/**
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* Creates the full set of output pins (properties) from the given input class.
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*
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* @param InClass Input class type.
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*/
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void CreateOutputPins(UClass* InClass);
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/** Will be called whenever the class pin selector changes its value. */
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void OnClassPinChanged();
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private:
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/** Class pin name */
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static FName ClassPinName;
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/** Blueprint that we subscribed OnBlueprintChangedDelegate and OnBlueprintCompiledDelegate to */
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UPROPERTY(Transient)
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TObjectPtr<UBlueprint> BlueprintSubscribedTo;
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/** Blueprint.OnChanged delegate handle */
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FDelegateHandle OnBlueprintChangedDelegate;
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/** Blueprint.OnCompiled delegate handle */
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FDelegateHandle OnBlueprintCompiledDelegate;
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/** Output pin visibility control */
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UPROPERTY(EditAnywhere, Category=PinOptions, EditFixedSize)
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TArray<FOptionalPinFromProperty> ShowPinForProperties;
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TArray<FName> OldShownPins;
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/** Whether or not to exclude object container properties */
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UPROPERTY()
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bool bExcludeObjectContainers;
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/** Whether or not to exclude object array properties (deprecated) */
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UPROPERTY()
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bool bExcludeObjectArrays_DEPRECATED;
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};
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