UMaterialExpressionCollectionParameter | Unreal Engine 4.27 Documentation

Inheritance Hierarchy


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

class UMaterialExpressionCollectionParameter : public UMaterialExpression

Type	Name	Description
TObjectPtr< class UMaterialParameterCollection >	Collection	The Parameter Collection to use.
FGuid	ParameterId	Id that is set from the name, and used to handle renaming of collection parameters.
FName	ParameterName	Name of the parameter being referenced.

	Type	Name	Description
		UMaterialExpressionCollectionParameter ( const FObjectInitializer& ObjectInitializer )

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).
FName	GetParameterName ()
bool	HasAParameterName ()	Parameter Name functions, this is requires as multiple class have ParameterName but are not UMaterialExpressionParameter due to class hierarchy.
bool	MatchesSearchQuery ( const TCHAR* SearchQuery )	MatchesSearchQuery: Check this expression to see if it matches the search query
void	SetParameterName ( const FName& Name )
void	ValidateParameterName ( const bool bAllowDuplicateName )

	Type	Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent )	Called when a property on this object has been modified externally
	void	PostLoad ()	Do any object-specific cleanup required immediately after loading an object.