void OnDisconnected(NetworkEvent netEvent)
{
if (NodeState == State.Client)
{
NodeState = State.Uninitialized;
Deinit();
}
else if (NodeState == State.Server)
{
OnLeave.TryInvoke(netEvent.ConnectionId);
var dId = netEvent.ConnectionId;
ConnectionIds.Remove(netEvent.ConnectionId);
var payload = new UniStreamWriter().WriteShort(dId.id).Bytes;
// Clients are not aware of each other as this is a star network
// Send a reliable reserved message to everyone to announce the disconnection
Send(Packet.From(CId).With(ReservedTags.ClientLeft, payload), true);
}
}
void OnMessageReceived(NetworkEvent netEvent, bool reliable)
{
var bytes = netEvent.GetDataAsByteArray();
var packet = Packet.Deserialize(bytes);
// If packet is null, it is a "raw" byte array message.
// Forward it to everyone
if (packet == null)
{
OnGetBytes.TryInvoke(netEvent.ConnectionId, bytes, reliable);
foreach (var r in ConnectionIds)
{
// Forward to everyone except the original sender and the server
if (r == CId || r == netEvent.ConnectionId)
{
continue;
}
Send(Packet.From(CId).To(r).With(ReservedTags.PacketForwarding, packet.Serialize()), true);
}
return;
}
string reservedTag = packet.Tag.StartsWith("reserved") ? packet.Tag : string.Empty;
// If is not a reserved message
if (reservedTag == string.Empty)
{
OnGetPacket.TryInvoke(netEvent.ConnectionId, packet, reliable);
if (NodeState != State.Server)
{
return;
}
// The server tries to broadcast the packet to everyone else listed as recipients
foreach (var r in packet.Recipients)
{
// Forward to everyone except the original sender and the server
if (r == CId.id || r == netEvent.ConnectionId.id)
{
continue;
}
Send(Packet.From(CId).To(r).With(ReservedTags.PacketForwarding, packet.Serialize()), true);
}
return;
}
// handle reserved messages
switch (reservedTag)
{
case ReservedTags.ServerStopped:
OnServerStopped.TryInvoke();
break;
case ReservedTags.ClientJoined:
ConnectionIds.Add(netEvent.ConnectionId);
OnJoin.TryInvoke(netEvent.ConnectionId);
break;
case ReservedTags.ClientLeft:
ConnectionIds.Remove(netEvent.ConnectionId);
OnLeave.TryInvoke(netEvent.ConnectionId);
break;
case ReservedTags.PacketForwarding:
OnGetPacket.TryInvoke(netEvent.ConnectionId, packet, reliable);
break;
}
}