private void OnReceiveDeltaGameStateFromServer(BinaryReader reader, byte[] bytesReceived, int numBytesReceived)
{
uint latestReceivedGameStateSequenceNumber = (cachedReceivedGameStates.Any())
? cachedReceivedGameStates[cachedReceivedGameStates.Count - 1].SequenceNumber
: 0;
latestReceivedGameStateSequenceNumber = Math.Max(
latestReceivedGameStateSequenceNumber,
latestSequenceNumberDeltaGameStateBytesPair?.Item1 ?? 0
);
var sequenceNumber = reader.ReadUInt32();
if (sequenceNumber > latestReceivedGameStateSequenceNumber)
{
var bytesLeft = new byte[numBytesReceived - reader.BaseStream.Position];
Array.Copy(bytesReceived, reader.BaseStream.Position, bytesLeft, 0, bytesLeft.Length);
latestSequenceNumberDeltaGameStateBytesPair = new Tuple <uint, byte[]>(
sequenceNumber,
bytesLeft
);
}
if (NetLib.EnableStateDeltaLogging)
{
var sequenceNumberRelativeTo = reader.ReadUInt32();
var networkedGameStateRelativeTo = GetNetworkedGameStateRelativeTo(sequenceNumberRelativeTo);
Profiler.BeginSample("State Deserialization");
var receivedGameState = NetworkSerializationUtils.DeserializeNetworkedGameState(
reader, sequenceNumber, networkedGameStateRelativeTo
);
Profiler.EndSample();
LogReceivedStateDelta(receivedGameState);
}
}
private void FinishHandlingDeltaGameState(uint sequenceNumber, byte[] deltaBytes)
{
using (var memoryStream = new MemoryStream(deltaBytes))
{
using (var reader = new BinaryReader(memoryStream))
{
var sequenceNumberRelativeTo = reader.ReadUInt32();
var networkedGameStateRelativeTo = GetNetworkedGameStateRelativeTo(sequenceNumberRelativeTo);
Profiler.BeginSample("State Deserialization");
var receivedGameState = NetworkSerializationUtils.DeserializeNetworkedGameState(
reader, sequenceNumber, networkedGameStateRelativeTo
);
Profiler.EndSample();
CallRpcOnServer("ServerOnReceiveClientGameStateAck", unreliableChannelId, new
{
gameStateSequenceNumber = receivedGameState.SequenceNumber
});
cachedReceivedGameStates.Add(receivedGameState);
var indexOfLatestGameStateToDiscard = cachedReceivedGameStates
.FindLastIndex(ngs => ngs.SequenceNumber < sequenceNumberRelativeTo);
if (indexOfLatestGameStateToDiscard >= 0)
{
var numberOfLatestGameStatesToDiscard = indexOfLatestGameStateToDiscard + 1;
cachedReceivedGameStates.RemoveRange(0, numberOfLatestGameStatesToDiscard);
}
Profiler.BeginSample("ClientOnReceiveGameState");
OnReceiveGameState(receivedGameState);
Profiler.EndSample();
}
}
}