public static void RefreshLocal()
{
_resources.RemoveAll(r => r.Location == Location.Local);
foreach (var filename in DirectorySearch("Graphics", Constants.IMAGEFILTERS.Split('|')))
_resources.Add(new GameResource(filename, Location.Local, ResourceType.Graphics));
foreach (var filename in DirectorySearch("Audio", Constants.AUDIOFILTERS.Split('|')))
_resources.Add(new GameResource(filename, Location.Local, ResourceType.Audio));
}