UMaterialExpressionCustom | Unreal Engine 4.27 Documentation

Inheritance Hierarchy


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

class UMaterialExpressionCustom : public UMaterialExpression

	Type	Name	Description
	TArray< struct FCustomDefine >	AdditionalDefines
	TArray< struct FCustomOutput >	AdditionalOutputs
	FString	Code
	FString	Description
	TArray< FString >	IncludeFilePaths
	TArray< struct FCustomInput >	Inputs
	TEnumAsByte< enum ECustomMaterialOutputType >	OutputType

	Type	Name	Description
		UMaterialExpressionCustom ( const FObjectInitializer& ObjectInitializer )

	Type	Name	Description
	void	RebuildOutputs ()

Type	Name	Description
int32	Compile ( FMaterialCompiler* Compiler, int32 OutputIndex )	Create the new shader code chunk needed for the Abs expression
bool	GenerateHLSLExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, int32 OutputIndex, UE::HLSLTree::FExpression const*& OutExpression )
void	GetCaption ( TArray< FString >& OutCaptions )	Returns the text to display on the material expression (in the material editor).
FText	GetCreationName ()
FExpressionInput *	GetInput ( int32 InputIndex )
FName	GetInputName ( int32 InputIndex )
TArrayView< FExpressionInput * >	GetInputsView ()	Get the expression inputs supported by this expression (Note: property inputs NOT included).
uint32	GetInputType ( int32 InputIndex )
uint32	GetOutputType ( int32 OutputIndex )
bool	IsResultMaterialAttributes ( int32 OutputIndex )	Marks certain expression types as outputting material attributes.

	Type	Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent )	Called when a property on this object has been modified externally
	void	Serialize ( FStructuredArchive::FRecord Record )	Handles reading, writing, and reference collecting using FArchive.