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  3. UMaterialExpressionCustom

UMaterialExpressionCustom

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionCustom.h
Include #include "Materials/MaterialExpressionCustom.h"

Syntax

UCLASS (CollapseCategories, HideCategories=Object, MinimalAPI)  
class UMaterialExpressionCustom : public UMaterialExpression

Variables

  Type Name Description
Public variable UProperty Category, EditAnywhere TArray< struct FCustomDefine > AdditionalDefines  
Public variable UProperty Category, EditAnywhere TArray< struct FCustomOutput > AdditionalOutputs  
Public variable UProperty Category, EditAnywhere, Meta FString Code  
Public variable UProperty Category, EditAnywhere FString Description  
Public variable UProperty Category, EditAnywhere TArray< FString > IncludeFilePaths  
Public variable UProperty Category, EditAnywhere TArray< struct FCustomInput > Inputs  
Public variable UProperty Category, EditAnywhere TEnumAsByte< enum ECustomMaterialOutputType > OutputType  
Public variable UProperty Category visibleanywhere bool ShowCode  

Constructors

  Type Name Description
Public function  

UMaterialExpressionCustom ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function void  

Overridden from UMaterialExpression

  Type Name Description
Public function Virtual int32

Compile ( FMaterialCompiler* Compiler,
int32 OutputIndex
)

 Create the new shader code chunk needed for the Abs expression
Public function Virtual Const bool

GenerateHLSLExpression ( FMaterialHLSLGenerator& Generator,
UE::HLSLTree::FScope& Scope,
int32 OutputIndex,
UE::HLSLTree::FExpression const*& OutExpression
)

  
Public function Virtual Const void

GetCaption ( TArray< FString >& OutCaptions
)

 Returns the text to display on the material expression (in the material editor).
Public function Virtual Const FText  
Public function Virtual Const void

GetIncludeFilePaths ( TSet< FString >& OutIncludeFilePaths
)

  
Public function Virtual FExpressionInput *

GetInput ( int32 InputIndex
)

 Returns the input at index InputIndex if valid, nullptr otherwise.
Public function Virtual Const FName

GetInputName ( int32 InputIndex
)

  
Public function Virtual TArrayView< FExpressionInput * >  
Public function Virtual uint32

GetInputType ( int32 InputIndex
)

  
Public function Virtual uint32

GetOutputType ( int32 OutputIndex
)

  
Public function Virtual bool Marks certain expression types as outputting material attributes.

Overridden from UObject

  Type Name Description
Public function Virtual void

PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent
)

 Called when a property on this object has been modified externally
Public function Virtual void  

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