FMaterialUtilities::RemapUniqueMaterialIndices

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

Unreal Engine C++ API Reference > Developer > MaterialUtilities > FMaterialUtilities

References

   
Module MaterialUtilities
Header /Engine/Source/Developer/MaterialUtilities/Public/MaterialUtilities.h
Include #include "MaterialUtilities.h"
Source /Engine/Source/Developer/MaterialUtilities/Private/MaterialUtilities.cpp
static void RemapUniqueMaterialIndices
(
    const [TArray](API\Runtime\Core\Containers\TArray)< struct [FSectionInfo](API\Runtime\Engine\Engine\FSectionInfo) > & InSections,
    const [TArray](API\Runtime\Core\Containers\TArray)< struct [FRawMeshExt](API\Developer\MeshMergeUtilities\FRawMeshExt) > & InMeshData,
    const [TMap](API\Runtime\Core\Containers\TMap)< FIntPoint, [TArray](API\Runtime\Core\Containers\TArray)< int32 > > & InMaterialMap,
    const [FMaterialProxySettings](API\Runtime\Engine\Engine\FMaterialProxySettings) & InMaterialProxySettings,
    const bool bBakeVertexData,
    const bool bMergeMaterials,
    [TArray](API\Runtime\Core\Containers\TArray)< bool > & OutMeshShouldBakeVertexData,
    [TMap](API\Runtime\Core\Containers\TMap)< FIntPoint, [TArray](API\Runtime\Core\Containers\TArray)< int32 > > & OutMaterialMap,
    [TArray](API\Runtime\Core\Containers\TArray)< struct [FSectionInfo](API\Runtime\Engine\Engine\FSectionInfo) > & OutSections
)

Remarks

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

Parameters

Name 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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