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  3. UMaterialGraphSchema

UMaterialGraphSchema

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

Inheritance Hierarchy

References

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

Syntax

class UMaterialGraphSchema : public UEdGraphSchema

Constructors

  Type Name Description
Public function  

UMaterialGraphSchema ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function Const bool

ArePinsCompatible_Internal ( const UEdGraphPin* InputPin,
const UEdGraphPin* OutputPin,
FText& ResponseMessage
)

 Check whether the types of pins are compatible
Public function Const bool

ConnectionCausesLoop ( const UEdGraphPin* InputPin,
const UEdGraphPin* OutputPin
)

 Check whether connecting these pins would cause a loop
Public function Static uint32

GetMaterialValueType ( const UEdGraphPin* MaterialPin
)

 Gets the type of this pin (must be part of a UMaterialGraphNode_Base)
Public function Const void

GetPaletteActions ( FGraphActionMenuBuilder& ActionMenuBuilder,
const FString& CategoryName,
bool bMaterialFunction
)

  
Public function void

OnConnectToFunctionOutput ( UEdGraphPin* InGraphPin,
UEdGraphPin* InFuncPin
)

 Connect a pin to one of the Material Function's outputs
Public function void

OnConnectToMaterial ( UEdGraphPin* InGraphPin,
int32 ConnIndex
)

 Connect a pin to one of the Material's inputs
Public function Const void

UpdateDetailView ( const UEdGraph* Graph
)

 Update the detail view
Public function Const void Update material when the default value of a material node's pin has changed

Overridden from UEdGraphSchema

  Type Name Description
Public function Virtual Const void

BreakNodeLinks ( UEdGraphNode& TargetNode
)

 Breaks all links from/to a single node
Public function Virtual Const void

BreakPinLinks ( UEdGraphPin& TargetPin,
bool bSendsNodeNotifcation
)

 Breaks all links from/to a single pin
Public function Virtual Const void

BreakSinglePinLink ( UEdGraphPin* SourcePin,
UEdGraphPin* TargetPin
)

 Breaks the link between two nodes.
Public function Virtual Const const FPinConnectionResponse Determine if a connection can be created between two pins.
Public function Virtual Const bool

CanEncapuslateNode ( UEdGraphNode const& TestNode
)

 Can TestNode be encapsulated into a child graph?
Public function Virtual Const void

DroppedAssetsOnGraph ( const TArray< struct FAssetData >& Assets,
const FVector2D& GraphPosition,
UEdGraph* Graph
)

 Called when asset(s) are dropped onto a graph background.
Public function Virtual Const void Forces cached visualization data to refresh
Public function Virtual Const float

GetActionFilteredWeight ( const FGraphActionListBuilderBase::ActionGroup& InCurrentAction,
const TArray< FString >& InFilterTerms,
const TArray< FString >& InSanitizedFilterTerms,
const TArray< UEdGraphPin* >& DraggedFromPins
)

 Calculate the weight priority of a given action for the context menu.
Public function Virtual Const void

GetAssetsGraphHoverMessage ( const TArray< FAssetData >& Assets,
const UEdGraph* HoverGraph,
FString& OutTooltipText,
bool& OutOkIcon
)

 Allows schema to generate a tooltip (icon & message) when the specified asset(s) are dragged over the specified graph
Public function Virtual Const void Gets actions that should be added to the right-click context menu for a node or pin
Public function Virtual Const TSharedPtr< FEdGraphSchemaAction > Returns schema action to create comment from implemention
Public function Virtual Const int32 Returns the current cache title refresh ID that is appropriate for the passed node
Public function Virtual Const void Get all actions that can be performed when right clicking on a graph or drag-releasing on a graph from a pin
Public function Virtual Const int32

GetNodeSelectionCount ( const UEdGraph* Graph
)

 Returns the currently selected graph node count
Public function Virtual Const FLinearColor

GetPinTypeColor ( const FEdGraphPinType& PinType
)

 Gets the draw color of a pin based on it's type.
Public function Virtual Const FGraphSchemaSearchWeightModifiers Get the weight modifiers from the console variable settings
Public function Virtual Const bool

IsCacheVisualizationOutOfDate ( int32 InVisualizationCacheID
)

 Checks if a CacheRefreshID is out of date
Public function Virtual Const void

OnPinConnectionDoubleCicked ( UEdGraphPin* PinA,
UEdGraphPin* PinB,
const FVector2D& GraphPosition
)

 Handles double-clicking on a pin<->pin connection
Public function Virtual Const bool Perform any logic necessary to safely remove this node from the graph.
Public function Virtual Const bool Try to make a connection between two pins.

Constants

Name Description
ActivePinColor Color of certain pins/connections.
AlphaPinColor  
CurrentCacheRefreshID ID for checking dirty status of node titles against, increases whenever.
InactivePinColor  
PC_Exec  
PC_Mask Allowable PinType.PinCategory values.
PC_MaterialInput  
PC_Optional  
PC_Required  
PC_ValueType  
PC_Void  
PN_Execute  
PSC_Alpha  
PSC_Blue  
PSC_Bool  
PSC_Byte  
PSC_Float  
PSC_Green  
PSC_Int  
PSC_Red Common PinType.PinSubCategory values.
PSC_RG  
PSC_RGB  
PSC_RGBA  
PSC_Vector4  

Deprecated Functions

  Type Name Description
Public function Const void Populating the break link to menu is handled through common pin actions on graph schemas. This function is no longer necessary.
Public function void

SelectAllInputNodes ( UEdGraph* Graph,
UEdGraphPin* InGraphPin
)

 Selecting all connected nodes is now handled through common pin actions on graph schemas. See SGraphEditorImpl::SelectAllNodesInDirection.

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