DatasmithMeshExporter.h

// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "DatasmithExportOptions.h"
#include "Templates/SharedPointer.h"
 
class FDatasmithMesh;
class FDatasmithMeshExporterImpl;
class IDatasmithMeshElement;
struct FMeshDescription;
 
class DATASMITHEXPORTER_API FDatasmithMeshExporter
{
public:
    /**
     * Exports the DatasmithMesh as a UObject.
     *
     * @param Filepath      The path where the resulting file will be written
     * @param Filename      The name of the file to export to, without any path or extension
     * @param Mesh          The mesh to export
     * @param CollisionMesh An optional collision mesh
     * @param LightmapUV    The UV generation export option
     *
     * @return              A IDatasmithMeshElement that refers to the exported file
     */
    TSharedPtr< IDatasmithMeshElement > ExportToUObject( const TCHAR* Filepath, const TCHAR* Filename, FDatasmithMesh& Mesh, FDatasmithMesh* CollisionMesh, EDSExportLightmapUV LightmapUV );
 
    /**
     * @return The error that happened during the last export, if any
     */
    FString GetLastError() const { return LastError; }
 
private:
    void PreExport( FDatasmithMesh& DatasmithMesh, const TCHAR* Filepath, const TCHAR* Filename, EDSExportLightmapUV LightmapUV );
    void PostExport( const FDatasmithMesh& DatasmithMesh, TSharedRef< IDatasmithMeshElement > MeshElement );
 
    void CreateDefaultUVs( FDatasmithMesh& DatasmithMesh );
    void RegisterStaticMeshAttributes( FMeshDescription& MeshDescription);
 
    FString LastError;
};