FExpressionInput | Unreal Engine 5.4 Documentation

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

Inheritance Hierarchy

References


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

Syntax

USTRUCT (NoExport )  
struct FExpressionInput

Remarks

FExpressionInput

Variables

Type	Name	Description
TObjectPtr< class UMaterialExpression >	Expression	UMaterial expression that this input is connected to, or NULL if not connected.
UMaterialExpression *	Expression	Material expression that this input is connected to, or NULL if not connected.
FName	InputName	Optional FName of the input.
int32	Mask
int32	MaskA
int32	MaskB
int32	MaskG
int32	MaskR
int32	OutputIndex	Index into Expression's outputs array that this input is connected to.

Constructors

	Type	Name	Description
		FExpressionInput ()

Functions

Type	Name	Description
const UE::HLSLTree::FExpression *	AcquireHLSLExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope )
const UE::HLSLTree::FExpression *	AcquireHLSLExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, int32 InputIndex )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrConstant ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, const UE::Shader::FValue& ConstantValue, int32 InputIndex )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrConstant ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, const UE::Shader::FValue& ConstantValue )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrDefaultExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, const UE::HLSLTree::FExpression* DefaultExpression, int32 InputIndex )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrDefaultExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, const UE::HLSLTree::FExpression* DefaultExpression )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrExternalInput ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, UE::HLSLTree::Material::EExternalInput Input, int32 InputIndex )
const UE::HLSLTree::FExpression *	AcquireHLSLExpressionOrExternalInput ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, UE::HLSLTree::Material::EExternalInput Input )
int32	Compile ( FMaterialCompiler* Compiler )
void	Connect ( int32 InOutputIndex, UMaterialExpression* InExpression )	Connects output of InExpression to this input
FExpressionInput	GetTracedInput ()	If this input goes through reroute nodes or other paths that should not affect code, trace back on the input chain.
bool	IsConnected ()	Tests if the input has a material expression connected to it
bool	IsConstant ()	Is the input connected to a constant value
bool	Serialize ( FArchive& Ar )	ICPPStructOps interface
void	SetMask ( int32 UseMask, int32 R, int32 G, int32 B, int32 A )	Helper for setting component mask.
const UE::HLSLTree::FExpression *	TryAcquireHLSLExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope )
const UE::HLSLTree::FExpression *	TryAcquireHLSLExpression ( FMaterialHLSLGenerator& Generator, UE::HLSLTree::FScope& Scope, int32 InputIndex )

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References

Syntax

Remarks

Variables

Constructors

Functions