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  3. UMaterialFunctionInstance

UMaterialFunctionInstance

A material function instance defines parameter overrides for a parent material function.

Unreal Engine C++ API Reference > Runtime > Engine > Materials

Inheritance Hierarchy

References

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

Syntax

class UMaterialFunctionInstance : public UMaterialFunctionInterface

Remarks

A material function instance defines parameter overrides for a parent material function.

Variables

  Type Name Description
Public variable TObjectPtr< UMaterialFunctionInterface > Base Base function.
Public variable TArray< struct FDoubleVectorParameterValue > DoubleVectorParameterValues DoubleVector parameters.
Public variable TArray< struct FFontParameterValue > FontParameterValues Font parameters.
Public variable TObjectPtr< UMaterialFunctionInterface > Parent Parent function.
Protected variable TObjectPtr< class UMaterialInstanceConstant > PreviewMaterial  
Public variable TArray< struct FRuntimeVirtualTextureParameterValue > RuntimeVirtualTextureParameterValues Runtime virtual texture parameters.
Public variable TArray< struct FScalarParameterValue > ScalarParameterValues Scalar parameters.
Public variable TArray< struct FSparseVolumeTextureParameterValue > SparseVolumeTextureParameterValues Sparse volume texture parameters.
Public variable TArray< struct FStaticComponentMaskParameter > StaticComponentMaskParameterValues Static component mask parameters.
Public variable TArray< struct FStaticSwitchParameter > StaticSwitchParameterValues Static switch parameters.
Public variable TArray< struct FTextureParameterValue > TextureParameterValues Texture parameters.
Public variable TArray< struct FVectorParameterValue > VectorParameterValues Vector parameters.

Constructors

  Type Name Description
Public function  

UMaterialFunctionInstance ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function void  
Public function void  
Public function void  

Overridden from UMaterialFunctionInterface

  Type Name Description
Public function Virtual int32

Compile ( FMaterialCompiler* Compiler,
const FFunctionExpressionOutput& Output
)

  
Public function Virtual UMaterialFunction *

GetBaseFunction ( FMFRecursionGuard RecursionGuard
)

  
Public function Virtual Const const UMaterialFunction *

GetBaseFunction ( FMFRecursionGuard RecursionGuard
)

  
Public function Virtual Const void Returns an array of the functions that this function is dependent on, directly or indirectly.
Public function Virtual Const void

GetInputsAndOutputs ( TArray< struct FFunctionExpressionInput >& OutInputs,
TArray< struct FFunctionExpressionOutput >& OutOutputs
)

  
Public function Virtual EMaterialFunctionUsage  
Public function Virtual Const bool

GetParameterOverrideValue ( EMaterialParameterType Type,
const FName& ParameterName,
FMaterialParameterMetadata& OutValue,
FMFRecursionGuard RecursionGuard
)

  
Public function Virtual UMaterialInterface *  
Public function Virtual Const bool Checks whether a Material Function is arranged in the old style, with inputs flowing from right to left
Public function Virtual bool  
Public function Virtual Const bool Iterates all functions that this function is dependent on, directly or indrectly.
Public function Virtual void

LinkIntoCaller ( const TArray< FFunctionExpressionInput >& CallerInputs
)

  
Public function Virtual void  
Public function Virtual void  
Public function Virtual void  
Public function Virtual bool  

Overridden from UObject

  Type Name Description
Public function Virtual void Do any object-specific cleanup required immediately after loading an object.
Public function Virtual void Handles reading, writing, and reference collecting using FArchive.

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