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FMaterialExpressionKey

Uniquely identifies a material expression output.

Windows

MacOS

Linux

References

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

Syntax

class FMaterialExpressionKey

Remarks

Uniquely identifies a material expression output. Used by the material compiler to keep track of which output it is compiling.

Variables

	Name	Description
bool	bCompilingPreviousFrameKey	Expressions are different (e.g. View.PrevWorldViewOrigin) when using previous frame's values, value if from FHLSLMaterialTranslator::bCompilingPreviousFrame.
UMaterialExpres...	Expression
FGuid	MaterialAttributeID	Attribute currently being compiled through a MatterialAttributes connection.
int32	OutputIndex

Constructors

	Name	Description
	FMaterialExpressionKey ( UMaterialExpression* InExpress..., int32 InOutputIndex )
	FMaterialExpressionKey ( UMaterialExpression* InExpress..., int32 InOutputIndex, const FGuid& InMaterialAttributeID, bool bInCompilingPreviousFrameKey )

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