FMaterialUtilities::RemapUniqueMaterialIndices

Remaps material indices where possible to reduce the number of materials required for creating a proxy material

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MacOS
Linux

References

Module

MaterialUtilities

Header

/Engine/Source/Developer/MaterialUtilities/Public/MaterialUtilities.h

Include

#include "MaterialUtilities.h"

Source

/Engine/Source/Developer/MaterialUtilities/Private/MaterialUtilities.cpp

Syntax

static void RemapUniqueMaterialIndices
(
    const TArray< struct FSectionInfo > & InSections,
    const TArray< struct FRawMeshExt > & InMeshData,
    const TMap< FIntPoint, TArray< int32 > > & InMaterialMap,
    const FMaterialProxySettings & InMaterialProxySettings,
    const bool bBakeVertexData,
    const bool bMergeMaterials,
    TArray< bool > & OutMeshShouldBakeVertexData,
    TMap< FIntPoint, TArray< int32 > > & OutMaterialMap,
    TArray< struct FSectionInfo > & OutSections
)

Remarks

Remaps material indices where possible to reduce the number of materials required for creating a proxy material

Parameters

Parameter

Description

InMaterials

List of Material interfaces (non-unique)

InMeshData

Array of meshes who use the materials in InMaterials

InMaterialMap

Map of MeshIDAndLOD keys with a material index array as value mapping InMeshData to the InMaterials array

InMaterialProxySettings

Settings for creating the proxy material

bBakeVertexData

Flag whether or not Vertex Data should be baked down

bMergeMaterials

Flag whether or not materials with be merged for this mesh

OutMeshShouldBakeVertexData

Array with Flag for each mesh whether or not Vertex Data should be baked down or is required to

OutMaterialMap

Map of MeshIDAndLOD keys with a material index array as value mapping InMeshData to the OutMaterials array

OutMaterials

List of Material interfaces (unique)
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