public void Load(PersistableObject o)
{
byte[] data = File.ReadAllBytes(savePath);
var reader = new BinaryReader(new MemoryStream(data));
o.Load(new GameDataReader(reader, -reader.ReadInt32()));
}
public void Save(PersistableObject o, int version)
{
using (var writer = new BinaryWriter(File.Open(savePath, FileMode.Create)))
{
writer.Write(-version);
o.Save(new GameDataWriter(writer));
}
}