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  3. UMaterialGraph

UMaterialGraph

API > API/Editor > API/Editor/UnrealEd > API/Editor/UnrealEd/MaterialGraph

Inheritance Hierarchy

References

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

Syntax

class UMaterialGraph : public UEdGraph

Variables

  Type Name Description
Public variable TObjectPtr< class UMaterial > Material Material this Graph represents
Public variable FSetMaterialDirty MaterialDirtyDelegate Marks the Material Editor as dirty so that user prompted to apply change
Public variable TObjectPtr< class UMaterialFunction > MaterialFunction Material Function this Graph represents (NULL for Materials)
Public variable TArray< FMaterialInputInfo > MaterialInputs List of Material Inputs (not set up for Material Functions)
Public variable FString OriginalMaterialFullName The name of the material that we are editing
Public variable FRealtimeStateGetter RealtimeDelegate Checks if Material Editor is in realtime mode, so we update SGraphNodes every frame
Public variable TObjectPtr< class UMaterialGraphNode_Root > RootNode Root node representing Material inputs (NULL for Material Functions)
Public variable TObjectPtr< UMaterialExpression > SubgraphExpression Expression this subgraph represents (NULL if not subgraph, Material [Function] still populated)
Public variable FToggleExpressionCollapsed ToggleCollapsedDelegate Toggles the bCollapsed flag of a material expression and updates material editor

Constructors

  Type Name Description
Public function    
Public function  

UMaterialGraph ( const FObjectInitializer& ObjectInitializer
)

  
Public function    

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function UMaterialGraphNode_Comment *

AddComment ( UMaterialExpressionComment* Comment,
bool bIsUserInvoked
)

 Add a Comment to the Graph
Public function UMaterialGraphNode *

AddExpression ( UMaterialExpression* Expression,
bool bUserInvoked
)

 Add an Expression to the Graph
Public function UMaterialGraph *

AddSubGraph ( UMaterialExpression* InSubgraphExpression
)

 Add a Subgraph to the Graph
Public function Const int32

GetInputIndexForProperty ( EMaterialProperty Property
)

 Returns the input index associated with the given property
Public function Const void

GetUnusedExpressions ( TArray< class UEdGraphNode* >& UnusedNodes
)

 Get a list of nodes representing expressions that are not used in the Material
Public function Const bool

IsInputActive ( UEdGraphPin* GraphPin
)

 Check whether a material input should be marked as active
Public function void Link all of the Graph nodes using the Material's connections
Public function void Link the Material using the Graph node's connections
Public function void Completely rebuild the graph from the material, removing all old nodes
Public function void  

Overridden from UEdGraph

  Type Name Description
Public function Virtual void Signal to listeners that the graph has changed - prefer to use NotifyNodeChanged when updating a single node
Protected function Virtual void  

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