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  3. FExpressionInput

FExpressionInput

[FExpressionInput](API\Runtime\Engine\FExpressionInput)

Unreal Engine C++ API Reference > Runtime > Engine

Inheritance Hierarchy

References

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

Syntax

struct FExpressionInput

Remarks

FExpressionInput

Variables

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

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Const const UE::HLSLTree::FExpression *  
Public function Const const UE::HLSLTree::FExpression *

AcquireHLSLExpression ( FMaterialHLSLGenerator& Generator,
UE::HLSLTree::FScope& Scope,
int32 InputIndex
)

  
Public function Const const UE::HLSLTree::FExpression *  
Public function Const const UE::HLSLTree::FExpression *

AcquireHLSLExpressionOrConstant ( FMaterialHLSLGenerator& Generator,
UE::HLSLTree::FScope& Scope,
const UE::Shader::FValue& ConstantValue,
int32 InputIndex
)

  
Public function Const const UE::HLSLTree::FExpression *  
Public function Const const UE::HLSLTree::FExpression *  
Public function int32

Compile ( FMaterialCompiler* Compiler
)

  
Public function void

Connect ( int32 InOutputIndex,
UMaterialExpression* InExpression
)

 Connects output of InExpression to this input
Public function Const FExpressionInput If this input goes through reroute nodes or other paths that should not affect code, trace back on the input chain.
Public function Const bool Tests if the input has a material expression connected to it
Public function Const bool Is the input connected to a constant value
Public function bool ICPPStructOps interface
Public function void

SetMask ( int32 UseMask,
int32 R,
int32 G,
int32 B,
int32 A
)

 Helper for setting component mask.
Public function Const const UE::HLSLTree::FExpression *  
Public function Const const UE::HLSLTree::FExpression *

TryAcquireHLSLExpression ( FMaterialHLSLGenerator& Generator,
UE::HLSLTree::FScope& Scope,
int32 InputIndex
)

  

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