private void DoWork(object o)
{
TicksToPing--;
lock (listener)
{
if (listener.Pending())
{
RemoteClient c = new RemoteClient()
{
TcpClient = listener.AcceptTcpClient(),
};
Log("New connection from " + c.TcpClient.Client.RemoteEndPoint.ToString());
c.EndPoint = c.TcpClient.Client.RemoteEndPoint;
clients.Add(c);
}
List<RemoteClient> newClientList = new List<RemoteClient>();
foreach (RemoteClient c in clients)
{
if (!c.TcpClient.Connected)
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
newClientList.Remove(c);
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
newClientList.Add(c);
try
{
while (c.TcpClient.Connected && c.TcpClient.Available > 0) // Read available data
{
PacketID packet = (PacketID)c.TcpClient.GetStream().ReadByte();
switch (packet)
{
case PacketID.Identification:
byte protocol = (byte)c.TcpClient.GetStream().ReadByte();
string username = ReadString(c.TcpClient.GetStream());
string key = ReadString(c.TcpClient.GetStream());
c.TcpClient.GetStream().ReadByte(); // Unused byte
c.Username = username;
c.PacketQueue.Enqueue(CreateInformationPacket(this, c));
c.PacketQueue.Enqueue(CreateLevelInitializePacket());
MemoryStream ms = new MemoryStream();
GZipStream s = new GZipStream(ms, CompressionMode.Compress, true);
s.Write(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(Level.Data.Length)), 0, sizeof(int));
s.Write(Level.Data, 0, Level.Data.Length);
s.Close();
byte[] data = ms.GetBuffer();
ms.Close();
Console.WriteLine("Map length: " + Level.Data.Length);
double numChunks = data.Length / 1042;
double chunksSent = 0;
for (int i = 0; i < data.Length; i += 1024)
{
byte[] chunkData = new byte[1024];
short chunkLength = 1024;
if (data.Length - i < chunkLength)
chunkLength = (short)(data.Length - i);
Array.Copy(data, i, chunkData, 0, chunkLength);
byte[] b = new byte[] { (byte)PacketID.LevelDataChunk };
b = b.Concat(MakeShort(chunkLength)).ToArray();
Console.WriteLine("Chunk length: " + chunkLength);
b = b.Concat(chunkData).ToArray();
b = b.Concat(new byte[] { (byte)((chunksSent / numChunks) * 100) }).ToArray();
c.PacketQueue.Enqueue(b);
chunksSent++;
}
byte[] finalize = new byte[] { (byte)PacketID.LevelFinalize };
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
c.PacketQueue.Enqueue(finalize);
c.ID = NextID;
NextID++;
if (NextID < 0)
NextID = 0;
c.Position = Level.Spawn.Clone();
c.PacketQueue.Enqueue(CreatePositionAndOrientation(-1, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreateSpawnPlayer(c.ID, c.Username, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
client.PacketQueue.Enqueue(CreatePositionAndOrientation(c.ID, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
c.PacketQueue.Enqueue(CreateSpawnPlayer(client.ID, client.Username, client.Position.X,
client.Position.Y, client.Position.Z, client.Yaw, client.Heading));
}
//SendChat(c.Username + " joined the game", -1);
break;
case PacketID.PositionAndOrientation:
c.TcpClient.GetStream().ReadByte(); // Discard
c.Position.X = ReadFloat(c.TcpClient.GetStream());
c.Position.Y = ReadFloat(c.TcpClient.GetStream());
c.Position.Z = ReadFloat(c.TcpClient.GetStream());
c.Yaw = (byte)c.TcpClient.GetStream().ReadByte();
c.Heading = (byte)c.TcpClient.GetStream().ReadByte();
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreatePositionAndOrientation(c.ID, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
}
break;
case PacketID.ClientSetBlock:
short x = ReadShort(c.TcpClient.GetStream());
short y = ReadShort(c.TcpClient.GetStream());
short z = ReadShort(c.TcpClient.GetStream());
byte mode = (byte)c.TcpClient.GetStream().ReadByte();
byte type = (byte)c.TcpClient.GetStream().ReadByte();
if (mode == 0)
type = 0;
Level.SetBlock(new Vector3(x, y, z), type);
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreateServerPlaceBlock(x, y, z, type));
}
break;
case PacketID.ChatMessage:
c.TcpClient.GetStream().ReadByte();
string msg = ReadString(c.TcpClient.GetStream());
msg = "<" + c.Username + "> " + msg;
if (msg.Length > 64)
msg = msg.Remove(63);
SendChat(msg, c.ID);
break;
default:
// bad packet
break;
}
}
}
catch
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
newClientList.Remove(c);
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
if (!c.TcpClient.Connected)
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
newClientList.Remove(c);
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
}
clients = new List<RemoteClient>(newClientList);
newClientList.Clear();
foreach (RemoteClient c in clients) // Write pending data
{
try
{
while (c.TcpClient.Connected && c.PacketQueue.Count != 0)
{
byte[] packet = c.PacketQueue.Dequeue();
c.TcpClient.GetStream().Write(packet, 0, packet.Length);
Log("Server to client [" + c.EndPoint.ToString() + "]: " + packet[0] + " Length: " + packet.Length);
}
if (c.TcpClient.Connected)
newClientList.Add(c);
else
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
newClientList.Remove(c);
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
break;
}
}
catch
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
newClientList.Remove(c);
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
}
clients = new List<RemoteClient>(newClientList);
}
}
private void DoWork(object o)
{
TicksToPing--;
lock (listener)
{
if (listener.Pending())
{
RemoteClient c = new RemoteClient()
{
TcpClient = listener.AcceptTcpClient(),
};
Log("New connection from " + c.TcpClient.Client.RemoteEndPoint.ToString());
c.EndPoint = c.TcpClient.Client.RemoteEndPoint;
clients.Add(c);
}
List <RemoteClient> newClientList = new List <RemoteClient>();
foreach (RemoteClient c in clients)
{
if (!c.TcpClient.Connected)
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
{
newClientList.Remove(c);
}
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
newClientList.Add(c);
try
{
while (c.TcpClient.Connected && c.TcpClient.Available > 0) // Read available data
{
PacketID packet = (PacketID)c.TcpClient.GetStream().ReadByte();
switch (packet)
{
case PacketID.Identification:
byte protocol = (byte)c.TcpClient.GetStream().ReadByte();
string username = ReadString(c.TcpClient.GetStream());
string key = ReadString(c.TcpClient.GetStream());
c.TcpClient.GetStream().ReadByte(); // Unused byte
c.Username = username;
c.PacketQueue.Enqueue(CreateInformationPacket(this, c));
c.PacketQueue.Enqueue(CreateLevelInitializePacket());
MemoryStream ms = new MemoryStream();
GZipStream s = new GZipStream(ms, CompressionMode.Compress, true);
s.Write(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(Level.Data.Length)), 0, sizeof(int));
s.Write(Level.Data, 0, Level.Data.Length);
s.Close();
byte[] data = ms.GetBuffer();
ms.Close();
Console.WriteLine("Map length: " + Level.Data.Length);
double numChunks = data.Length / 1042;
double chunksSent = 0;
for (int i = 0; i < data.Length; i += 1024)
{
byte[] chunkData = new byte[1024];
short chunkLength = 1024;
if (data.Length - i < chunkLength)
{
chunkLength = (short)(data.Length - i);
}
Array.Copy(data, i, chunkData, 0, chunkLength);
byte[] b = new byte[] { (byte)PacketID.LevelDataChunk };
b = b.Concat(MakeShort(chunkLength)).ToArray();
Console.WriteLine("Chunk length: " + chunkLength);
b = b.Concat(chunkData).ToArray();
b = b.Concat(new byte[] { (byte)((chunksSent / numChunks) * 100) }).ToArray();
c.PacketQueue.Enqueue(b);
chunksSent++;
}
byte[] finalize = new byte[] { (byte)PacketID.LevelFinalize };
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
finalize = finalize.Concat(MakeShort(Level.Width)).ToArray();
c.PacketQueue.Enqueue(finalize);
c.ID = NextID;
NextID++;
if (NextID < 0)
{
NextID = 0;
}
c.Position = Level.Spawn.Clone();
c.PacketQueue.Enqueue(CreatePositionAndOrientation(-1, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreateSpawnPlayer(c.ID, c.Username, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
client.PacketQueue.Enqueue(CreatePositionAndOrientation(c.ID, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
c.PacketQueue.Enqueue(CreateSpawnPlayer(client.ID, client.Username, client.Position.X,
client.Position.Y, client.Position.Z, client.Yaw, client.Heading));
}
//SendChat(c.Username + " joined the game", -1);
break;
case PacketID.PositionAndOrientation:
c.TcpClient.GetStream().ReadByte(); // Discard
c.Position.X = ReadFloat(c.TcpClient.GetStream());
c.Position.Y = ReadFloat(c.TcpClient.GetStream());
c.Position.Z = ReadFloat(c.TcpClient.GetStream());
c.Yaw = (byte)c.TcpClient.GetStream().ReadByte();
c.Heading = (byte)c.TcpClient.GetStream().ReadByte();
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreatePositionAndOrientation(c.ID, c.Position.X,
c.Position.Y, c.Position.Z, c.Yaw, c.Heading));
}
break;
case PacketID.ClientSetBlock:
short x = ReadShort(c.TcpClient.GetStream());
short y = ReadShort(c.TcpClient.GetStream());
short z = ReadShort(c.TcpClient.GetStream());
byte mode = (byte)c.TcpClient.GetStream().ReadByte();
byte type = (byte)c.TcpClient.GetStream().ReadByte();
if (mode == 0)
{
type = 0;
}
Level.SetBlock(new Vector3(x, y, z), type);
foreach (RemoteClient client in from cl in clients
where cl.ID != c.ID
select cl)
{
client.PacketQueue.Enqueue(CreateServerPlaceBlock(x, y, z, type));
}
break;
case PacketID.ChatMessage:
c.TcpClient.GetStream().ReadByte();
string msg = ReadString(c.TcpClient.GetStream());
msg = "<" + c.Username + "> " + msg;
if (msg.Length > 64)
{
msg = msg.Remove(63);
}
SendChat(msg, c.ID);
break;
default:
// bad packet
break;
}
}
}
catch
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
{
newClientList.Remove(c);
}
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
if (!c.TcpClient.Connected)
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
{
newClientList.Remove(c);
}
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
}
clients = new List <RemoteClient>(newClientList);
newClientList.Clear();
foreach (RemoteClient c in clients) // Write pending data
{
try
{
while (c.TcpClient.Connected && c.PacketQueue.Count != 0)
{
byte[] packet = c.PacketQueue.Dequeue();
c.TcpClient.GetStream().Write(packet, 0, packet.Length);
Log("Server to client [" + c.EndPoint.ToString() + "]: " + packet[0] + " Length: " + packet.Length);
}
if (c.TcpClient.Connected)
{
newClientList.Add(c);
}
else
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
{
newClientList.Remove(c);
}
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
break;
}
}
catch
{
Log("Lost connection from " + c.EndPoint);
if (newClientList.Contains(c))
{
newClientList.Remove(c);
}
EnqueueToAllClients(CreateDespawnPlayer(c.ID));
c.LoggedIn = false;
continue;
}
}
clients = new List <RemoteClient>(newClientList);
}
}
internal static byte[] CreateInformationPacket(ClassicServer server, RemoteClient c)
{
byte[] b = new byte[] { (byte)PacketID.Identification, MinecraftVersion, };
b = b.Concat(MakeString(server.ServerName)).ToArray();
b = b.Concat(MakeString(server.MessageOfTheDay)).ToArray();
b = b.Concat(new byte[] { (byte)(c.IsOp ? 0x64 : 0) }).ToArray();
return b;
}
