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> Unreal Engine API Reference > Editor > UnrealEd > MaterialGraph > UMaterialGraph

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UMaterialGraph

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UEdGraph

UMaterialGraph

References

Module	UnrealEd
Header	/Engine/Source/Editor/UnrealEd/Classes/MaterialGraph/MaterialGraph.h
Include	#include "MaterialGraph/MaterialGraph.h"

Syntax

class UMaterialGraph : public UEdGraph

Variables

		Name	Description
	TObjectPtr< cla...	Material	Material this Graph represents
	FSetMaterialDir...	MaterialDirtyDelegate	Marks the Material Editor as dirty so that user prompted to apply change
	TObjectPtr< cla...	MaterialFunction	Material Function this Graph represents (NULL for Materials)
	TArray< FMateri...	MaterialInputs	List of Material Inputs (not set up for Material Functions)
	FString	OriginalMaterialFullName	The name of the material that we are editing
	FRealtimeStateG...	RealtimeDelegate	Checks if Material Editor is in realtime mode, so we update SGraphNodes every frame
	TObjectPtr< cla...	RootNode	Root node representing Material inputs (NULL for Material Functions)
	TObjectPtr< UMa...	SubgraphExpression	Expression this subgraph represents (NULL if not subgraph, Material [Function] still populated)
	FToggleExpressi...	ToggleCollapsedDelegate	Toggles the bCollapsed flag of a material expression and updates material editor

Constructors

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

Functions

		Name	Description
	UMaterialGra...	AddComment ( UMaterialExpressionComment* Co..., bool bIsUserInvoked )	Add a Comment to the Graph
	UMaterialGra...	AddExpression ( UMaterialExpression* Expressio..., bool bUserInvoked )	Add an Expression to the Graph
	UMaterialGra...	AddSubGraph ( UMaterialExpression* InSubgrap... )	Add a Subgraph to the Graph
	void	GetUnusedExpressions ( TArray< class UEdGraphNode* > ... )	Get a list of nodes representing expressions that are not used in the Material
	bool	IsInputActive ( UEdGraphPin* GraphPin )	Check whether a material input should be marked as active
	void	LinkGraphNodesFromMaterial()	Link all of the Graph nodes using the Material's connections
	void	LinkMaterialExpressionsFromGraph()	Link the Material using the Graph node's connections
	void	RebuildGraph()	Completely rebuild the graph from the material, removing all old nodes