public static void SendToMany <T>(IEnumerable <INetworkPlayer> players, T msg, int channelId = Channel.Reliable)
{
using (PooledNetworkWriter writer = NetworkWriterPool.GetWriter())
{
// pack message into byte[] once
MessagePacker.Pack(msg, writer);
var segment = writer.ToArraySegment();
int count = 0;
foreach (INetworkPlayer player in players)
{
// send to all connections, but don't wait for them
player.Send(segment, channelId);
count++;
}
NetworkDiagnostics.OnSend(msg, channelId, segment.Count, count);
}
}
internal void InvokeHandler(int msgType, NetworkReader reader, int channelId)
{
if (messageHandlers.TryGetValue(msgType, out NetworkMessageDelegate msgDelegate))
{
msgDelegate(this, reader, channelId);
}
else
{
try
{
Type type = MessagePacker.GetMessageType(msgType);
throw new InvalidDataException($"Unexpected message {type} received in {this}. Did you register a handler for it?");
}
catch (KeyNotFoundException)
{
throw new InvalidDataException($"Unexpected message ID {msgType} received in {this}. May be due to no existing RegisterHandler for this message.");
}
}
}
internal void ReceiveNotify(NotifyPacket notifyPacket, NetworkReader networkReader, int channelId)
{
int sequenceDistance = (int)sequencer.Distance(notifyPacket.Sequence, receiveSequence);
// sequence is so far out of bounds we can't save, just kick him (or her!)
if (Math.Abs(sequenceDistance) > WINDOW_SIZE)
{
connection?.Disconnect();
return;
}
// this message is old, we already received
// a newer or duplicate packet. Discard it
if (sequenceDistance <= 0)
{
return;
}
receiveSequence = notifyPacket.Sequence;
if (sequenceDistance >= ACK_MASK_BITS)
{
receiveMask = 1;
}
else
{
receiveMask = (receiveMask << sequenceDistance) | 1;
}
AckPackets(notifyPacket.ReceiveSequence, notifyPacket.AckMask);
int msgType = MessagePacker.UnpackId(networkReader);
InvokeHandler(msgType, networkReader, channelId);
if (Time.unscaledTime - lastNotifySentTime > NOTIFY_ACK_TIMEOUT)
{
SendNotify(new NotifyAck(), null, channelId);
}
}
/// <summary>
/// Unregisters a handler for a particular message type.
/// </summary>
/// <typeparam name="T">Message type</typeparam>
public void UnregisterHandler <T>()
{
int msgType = MessagePacker.GetId <T>();
messageHandlers.Remove(msgType);
}