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  3. UMaterialExpressionSubstrateSlabBSDF

UMaterialExpressionSubstrateSlabBSDF

API > API/Runtime > API/Runtime/Engine

   
Name UMaterialExpressionSubstrateSlabBSDF
Type class
Header File /Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionSubstrate.h
Include Path #include "Materials/MaterialExpressionSubstrate.h"

Syntax

UCLASS (MinimalAPI, CollapseCategories, HideCategories=Object, DisplayName="Substrate Slab")  
class UMaterialExpressionSubstrateSlabBSDF : public UMaterialExpressionSubstrateBSDF

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UMaterialExpressionSubstrateSlabBSDF ( const FObjectInitializer& ObjectInitializer
)

   Materials/MaterialExpressionSubstrate.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
Anisotropy FExpressionInput Controls the anisotropy factor of the roughness. Materials/MaterialExpressionSubstrate.h  
bUseSSSDiffusion uint32   Materials/MaterialExpressionSubstrate.h  
DiffuseAlbedo FExpressionInput Defines the diffused albedo, the percentage of light reflected as diffuse from the surface. Materials/MaterialExpressionSubstrate.h  
EmissiveColor FExpressionInput Emissive color on top of the surface (type = float3, unit = luminance, default = 0) Materials/MaterialExpressionSubstrate.h  
F0 FExpressionInput Defines the color and brightness of the specular highlight where the surface is facing the camera. Materials/MaterialExpressionSubstrate.h  
F90 FExpressionInput Defines the color of the specular highlight where the surface normal is 90 degrees from the view direction. Materials/MaterialExpressionSubstrate.h  
FuzzAmount FExpressionInput The amount of fuzz on top of the surface used to simulate cloth-like appearance. Materials/MaterialExpressionSubstrate.h  
FuzzColor FExpressionInput The base color of the fuzz. Materials/MaterialExpressionSubstrate.h  
FuzzRoughness FExpressionInput Controls how rough the Fuzz layer is. Materials/MaterialExpressionSubstrate.h  
GlintUV FExpressionInput The parameterization of the surface required to position glints on a surface. Materials/MaterialExpressionSubstrate.h  
GlintValue FExpressionInput This represent the micro facet density. Materials/MaterialExpressionSubstrate.h  
Normal FExpressionInput Take the surface normal as input. Materials/MaterialExpressionSubstrate.h  
Roughness FExpressionInput Controls how rough the Material is. Materials/MaterialExpressionSubstrate.h  
SecondRoughness FExpressionInput Controls the roughness of a secondary specular lobe. Materials/MaterialExpressionSubstrate.h  
SecondRoughnessWeight FExpressionInput The weight of the second specular lobe using SecondRoughness. Materials/MaterialExpressionSubstrate.h  
SpecularProfile TObjectPtr< class USpecularProfile > SpecularProfile, for modulating specular appearance and simulating more complex visuals such as iridescence. Materials/MaterialExpressionSubstrate.h
  • EditAnywhere
  • BlueprintReadOnly
  • Category=Material
  • Meta=(DisplayName="Specular Profile")
SSSMFP FExpressionInput Chromatic mean free path. Materials/MaterialExpressionSubstrate.h  
SSSMFPScale FExpressionInput Scale the mean free path length. Materials/MaterialExpressionSubstrate.h  
SSSPhaseAnisotropy FExpressionInput Phase function anisotropy. Materials/MaterialExpressionSubstrate.h  
SubsurfaceProfile TObjectPtr< class USubsurfaceProfile > SubsurfaceProfile, for Screen Space Subsurface Scattering. Materials/MaterialExpressionSubstrate.h
  • EditAnywhere
  • BlueprintReadOnly
  • Category=Material
  • Meta=(DisplayName="Subsurface Profile")
SubSurfaceType TEnumAsByte< enum EMaterialSubSurfaceType > Define sub-subsurface used behavior of the slab. Materials/MaterialExpressionSubstrate.h
  • EditAnywhere
  • Category=Material
  • Meta=(DisplayName="Sub-Surface Type")
Tangent FExpressionInput Take a surface tangent as input. Materials/MaterialExpressionSubstrate.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

FSubstrateMaterialComplexity GetHighestComplexity()

   Materials/MaterialExpressionSubstrate.h  

bool HasAnisotropy()

   Materials/MaterialExpressionSubstrate.h  

bool HasEdgeColor()

   Materials/MaterialExpressionSubstrate.h  

bool HasFuzz()

   Materials/MaterialExpressionSubstrate.h  

bool HasFuzzRoughness()

   Materials/MaterialExpressionSubstrate.h  

bool HasGlint()

   Materials/MaterialExpressionSubstrate.h  

bool HasMFPPluggedIn()

   Materials/MaterialExpressionSubstrate.h  

bool HasSecondRoughness()

   Materials/MaterialExpressionSubstrate.h  

bool HasSpecularProfile()

   Materials/MaterialExpressionSubstrate.h  

bool HasSSS()

   Materials/MaterialExpressionSubstrate.h  

bool HasSSSProfile()

   Materials/MaterialExpressionSubstrate.h  

Overridden from UMaterialExpression

Name Remarks Include Path Unreal Specifiers

virtual int32 Compile ( FMaterialCompiler* Compiler,
int32 OutputIndex
)

 Create the new shader code chunk needed for the Abs expression Materials/MaterialExpressionSubstrate.h  

virtual void GatherSubstrateMaterialInfo ( FSubstrateMaterialInfo& SubstrateMaterialInfo,
int32 OutputIndex
)

 Recursively parse nodes outputing Substrate material in order to gather all the possible shading models used in a material graph output a Substrate material. Materials/MaterialExpressionSubstrate.h  

virtual void GetCaption ( TArray< FString >& OutCaptions
) const

 Returns the text to display on the material expression (in the material editor). Materials/MaterialExpressionSubstrate.h  

virtual void GetConnectorToolTip ( int32 InputIndex,
int32 OutputIndex,
TArray< FString >& OutToolTip
)

 Get a tooltip for the specified connector. Materials/MaterialExpressionSubstrate.h  

virtual void GetExpressionToolTip ( TArray< FString >& OutToolTip
)

 Get a tooltip for the expression itself. Materials/MaterialExpressionSubstrate.h  

virtual FName GetInputName ( int32 InputIndex
) const

   Materials/MaterialExpressionSubstrate.h  

virtual EMaterialValueType GetInputValueType ( int32 InputIndex
)

   Materials/MaterialExpressionSubstrate.h  

virtual EMaterialValueType GetOutputValueType ( int32 OutputIndex
)

   Materials/MaterialExpressionSubstrate.h  

virtual bool IsResultSubstrateMaterial ( int32 OutputIndex
)

 Marks certain expression types as outputting Substrate material. Materials/MaterialExpressionSubstrate.h  
A starta material is a tree with FrontMateiral being its root and BSDF being leaves, with operators in the middle. Materials/MaterialExpressionSubstrate.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent
)

   Materials/MaterialExpressionSubstrate.h  

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