public void SaveToFile(int zone, int level)
{
string levelFilePath = LevelUtils.GetPathForLevelSave(zone, level);
if (!Directory.Exists(Path.GetDirectoryName(levelFilePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(levelFilePath));
}
XmlSerializer serializer = new XmlSerializer(typeof(LevelData));
FileStream stream = new FileStream(levelFilePath, FileMode.Create);
serializer.Serialize(stream, this);
stream.Close();
}