Files
UnrealEngine/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_BreakStruct.h
2025-05-18 13:04:45 +08:00

83 lines
3.0 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "EdGraph/EdGraphNode.h"
#include "EdGraph/EdGraphNodeUtils.h"
#include "HAL/Platform.h"
#include "Internationalization/Text.h"
#include "K2Node.h"
#include "K2Node_StructMemberGet.h"
#include "Math/Color.h"
#include "Textures/SlateIcon.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "K2Node_BreakStruct.generated.h"
class FArchive;
class FBlueprintActionDatabaseRegistrar;
class FObjectPreSaveContext;
class UEdGraph;
class UEdGraphPin;
class UObject;
class UScriptStruct;
UCLASS(MinimalAPI)
class UK2Node_BreakStruct : public UK2Node_StructMemberGet
{
GENERATED_UCLASS_BODY()
/** Helper property to handle upgrades from an old system of displaying pins for
* the override values that properties referenced as a conditional of being set in a struct */
UPROPERTY()
bool bMadeAfterOverridePinRemoval;
/**
* Returns false if:
* 1. The Struct has a 'native break' method
* Returns true if:
* 1. The Struct is tagged as BlueprintType
* and
* 2. The Struct has any property that is tagged as CPF_BlueprintVisible
*/
static bool CanBeBroken(const UScriptStruct* Struct, bool bForInternalUse = false);
/** Can this struct be used as a split pin */
static bool CanBeSplit(const UScriptStruct* Struct) { return CanBeBroken(Struct); }
// UObject interface
virtual void PreSave(FObjectPreSaveContext SaveContext) override;
virtual void Serialize(FArchive& Ar) override;
// End of UObject interface
//~ Begin UEdGraphNode Interface
virtual void AllocateDefaultPins() override;
virtual void PreloadRequiredAssets() override;
virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
virtual FLinearColor GetNodeTitleColor() const override;
virtual FText GetTooltipText() const override;
virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
virtual FSlateIcon GetIconAndTint(FLinearColor& OutColor) const override;
virtual void PostPlacedNewNode() override;
//~ End UEdGraphNode Interface
//~ Begin K2Node Interface
virtual bool NodeCausesStructuralBlueprintChange() const override { return false; }
virtual bool IsNodePure() const override { return true; }
virtual bool DrawNodeAsVariable() const override { return false; }
virtual ERedirectType DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const override;
virtual class FNodeHandlingFunctor* CreateNodeHandler(class FKismetCompilerContext& CompilerContext) const override;
virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
virtual FText GetMenuCategory() const override;
virtual void ConvertDeprecatedNode(UEdGraph* Graph, bool bOnlySafeChanges) override;
//~ End K2Node Interface
private:
/** Constructing FText strings can be costly, so we cache the node's title/tooltip */
FNodeTextCache CachedTooltip;
FNodeTextCache CachedNodeTitle;
};