/// <summary>
/// Makes our current state match the state passed in by GGPO.
/// </summary>
/// <param name="frame"></param>
/// <returns></returns>
public bool SaveGameState(ref Sync.SavedFrame frame)
{
frame.buffer = gs;
frame.frame = gs.FrameNumber;
frame.checksum = Utility.CreateChecksum(Utility.GetByteArray(gs));
return(true);
}
protected unsafe void Serialize(ref Sync.SavedFrame frame)
{
WorldPoolID id = SavedStates.Get(out World saveState);
EntityManager.BeginExclusiveEntityTransaction();
saveState.EntityManager.CopyAndReplaceEntitiesFrom(EntityManager);
EntityManager.EndExclusiveEntityTransaction();
// Get the hash and reduce
ulong hash = _hasher.GetWorldHash();
unchecked {
frame = new Sync.SavedFrame {
// NOTE: THIS IS A HUGE HACK. If this ever gets dereferenced, the
// game will hard crash via segmentation fault.
Buffer = (byte *)id,
// Reduce the 64 bit hash by XORing the top 32 bits with the bottom 32
Checksum = (int)((hash & 0xffffffff) ^ ((hash >> 32) & 0xffffffff)),
Size = 0,
};
}
}
