Function HandleCommandConvert

src/openrct2/command_line/ConvertCommand.cpp:55–163

    static u8string GetFileTypeFriendlyName(FileExtension fileType);

    static ExitCode HandleCommandConvert(CommandLineArgEnumerator* enumerator)
    {
        ExitCode result = CommandLine::HandleCommandDefault();
        if (result != ExitCode::launch)
        {
            return result;
        }

        // Get the source path
        const utf8* rawSourcePath;
        if (!enumerator->TryPopString(&rawSourcePath))
        {
            Console::Error::WriteLine("Expected a source path.");
            return ExitCode::fail;
        }

        const auto sourcePath = Path::GetAbsolute(rawSourcePath);
        auto sourceFileType = GetFileExtensionType(sourcePath.c_str());

        // Get the destination path
        const utf8* rawDestinationPath;
        if (!enumerator->TryPopString(&rawDestinationPath) || String::startsWith(rawDestinationPath, "-"))
        {
            // if no destination path is provided, convert the park file in-place
            rawDestinationPath = rawSourcePath;
        }

        const auto destinationPath = Path::GetAbsolute(rawDestinationPath);
        auto destinationFileType = GetFileExtensionType(destinationPath.c_str());

        // Validate target type
        if (destinationFileType != FileExtension::PARK)
        {
            Console::Error::WriteLine("Only conversion to .PARK is supported.");
            return ExitCode::fail;
        }

        // Validate the source type
        switch (sourceFileType)
        {
            case FileExtension::SC4:
            case FileExtension::SV4:
            case FileExtension::SC6:
            case FileExtension::SV6:
                break;
            case FileExtension::PARK:
                if (destinationFileType == FileExtension::PARK)
                {
                    Console::Error::WriteLine(
                        "File is already an OpenRCT2 saved game or scenario. Updating file version and recompressing.");
                }
                break;
            default:
                Console::Error::WriteLine("Only conversion from .SC4, .SV4, .SC6, .SV6, or .PARK is supported.");
                return ExitCode::fail;
        }

        // Perform conversion