private string RetrieveBeatmapDirectory()
{
string beatmapDirectoryPath = FileBrowser.GetBeatmapPathFromFileDialog();
if (beatmapDirectoryPath != null)
{
string unzippedBeatmapPath = BeatmapCompressor.UnzipBeatmap(beatmapDirectoryPath);
return(unzippedBeatmapPath);
}
else
{
FlashMessage("no beatmap loaded");
return(null);
}
}
