Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

UNiagaraNodeOp

Windows

MacOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UEdGraphNode

UNiagaraNode

UNiagaraNodeWithDynamicPins

UNiagaraNodeOp

References

Module	NiagaraEditor
Header	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraNodeOp.h
Include	#include "NiagaraNodeOp.h"

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI)
class UNiagaraNodeOp : public UNiagaraNodeWithDynamicPins

Variables

		Name	Description
	TArray< FAddedP...	AddedPins
	FName	OpName	Name of operation

Constructors

	Name	Description
	UNiagaraNodeOp ( const FObjectInitializer& ObjectIn... )

Overridden from UNiagaraNodeWithDynamicPins

	Name	Description
bool	AllowDynamicPins()	Void AddParameterAndSetMetaData(FNiagaraVariable& Parameter, const FNiagaraVariableMetaData& ParameterMetaData, UEdGraphPin* AddPin);
bool	AllowNiagaraTypeForAddPin ( const FNiagaraTypeDefinition& InTy... )	Determine whether or not a Niagara type is supported for an Add Pin possibility.
bool	CanMovePin ( const UEdGraphPin* Pin )	Called to determine if a pin can be moved by the user.
bool	CanRemovePin ( const UEdGraphPin* Pin )	Called to determine if a pin can be removed by the user.
void	OnNewTypedPinAdded ( UEdGraphPin* NewPin )	Called when a new typed pin is added by the user.
void	OnPinRenamed ( UEdGraphPin* RenamedPin, const FString& OldPinName )	Called when a pin is renamed.

Overridden from UNiagaraNode

	Name	Description
void	Compile ( FHlslNiagaraTranslator* Transl..., TArray< int32 >& Outputs )
ENiagaraNume...	GetNumericOutputTypeSelectionMode()	Gets which mode to use when deducing the type of numeric output pins from the types of the input pins.
bool	RefreshFromExternalChanges()	Refreshes the node due to external changes, e.g. the underlying function changed for a function call node.

Overridden from UEdGraphNode

	Name	Description
void	AllocateDefaultPins()	Allocate default pins for a given node, based only the NodeType, which should already be filled in.
FText	GetNodeTitle ( ENodeTitleType::Type TitleType )	Gets the name of this node, shown in title bar
FLinearColor	GetNodeTitleColor()	Gets the draw color of a node's title bar
FText	GetTooltipText()	Gets the tooltip to display when over the node
void	OnPinRemoved ( UEdGraphPin* InRemovedPin )	Called when a pin is removed

Overridden from UObject

		Name	Description
	void	PostLoad()	Do any object-specific cleanup required immediately after loading an object.

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss