public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
if (stream.Length - stream.Position >= 2)
{
short length = stream.ReadShort();
if (stream.Length - stream.Position >= length)
{
client.Username = stream.ReadString(length);
//response
// - = no password
// + = password
// hash = check with minecraft.net
if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Online)
{
Random random = new Random();
client.Hash = random.Next().ToString("X");
client.Send(MinecraftPacketCreator.GetHandshake(client.Hash));
}
else if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Offline)
{
client.Send(MinecraftPacketCreator.GetHandshake("-"));
}
else if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Password)
{
client.Send(MinecraftPacketCreator.GetHandshake("+"));
}
return true;
}
}
return false;
}
public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
// NOTE: Maybe bad practice... Probably a better idea to store data after packet 100% received...
// Although I don't see anything that might go wrong... Since the server and client is essentially "syncronized"
if (stream.Length - stream.Position >= 8)
{
client.Player.Position.X = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
client.Player.Stance = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
client.Player.Position.Y = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
client.Player.Position.Z = stream.ReadDouble();
if (stream.Length - stream.Position >= 4)
{
client.Player.Rotation.Yaw = stream.ReadFloat();
if (stream.Length - stream.Position >= 4)
{
client.Player.Rotation.Pitch = stream.ReadFloat();
if (stream.Length - stream.Position >= 1)
{
client.Player.OnGround = stream.ReadBool();
return true;
}
}
}
}
}
}
}
return false;
}
public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
if (stream.Length - stream.Position >= 8)
{
double x = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
double y = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
double stance = stream.ReadDouble();
if (stream.Length - stream.Position >= 8)
{
double z = stream.ReadDouble();
if (stream.Length - stream.Position >= 1)
{
bool onGround = stream.ReadBool();
client.Player.Position.X = x;
client.Player.Position.Y = y;
client.Player.Stance = stance;
client.Player.Position.Z = z;
client.Player.OnGround = onGround;
return true;
}
}
}
}
}
return false;
}
public void Run(MinecraftServer server, MinecraftClient client, string[] args)
{
StringBuilder builder = new StringBuilder();
builder.Append("Connected users: ");
foreach (MinecraftClient c in server.Clients)
{
builder.Append(c.Username);
builder.Append(", ");
}
builder.Remove(builder.Length - 2, 2);
builder.Append(".");
client.Send(MinecraftPacketCreator.GetChatMessage(builder.ToString()));
}
public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
if (stream.Length - stream.Position >= 2)
{
short length = stream.ReadShort();
if (stream.Length - stream.Position >= length)
{
string message = stream.ReadString(length);
if (message.Substring(0, 1) == "/")
{
string[] splitted = message.Substring(1).Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
if (MinecraftServer.Instance.CommandManager.CommandExists(splitted[0].ToLower()))
{
MinecraftServer.Instance.CommandManager.RunCommand(client, splitted[0].ToLower(), splitted);
}
else if (splitted[0].ToLower() == "help")
{
client.Send(MinecraftPacketCreator.GetChatMessage("Availiable commands are:"));
foreach (string key in MinecraftServer.Instance.CommandManager.GetCommands())
{
client.Send(MinecraftPacketCreator.GetChatMessage(key));
}
}
else
{
client.Send(MinecraftPacketCreator.GetChatMessage("Command " + splitted[0] + " does not exist."));
}
}
else
{
foreach (MinecraftClient c in MinecraftServer.Instance.Clients)
{
c.Send(MinecraftPacketCreator.GetChatMessage(client.Username, message));
}
}
return true;
}
}
return false;
}
public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
if (stream.Length - stream.Position >= 4)
{
int version = stream.ReadInt();
if (version == MinecraftServer.Instance.Version)
{
if (stream.Length - stream.Position >= 2)
{
short ulength = stream.ReadShort();
if (stream.Length - stream.Position >= ulength)
{
string username = stream.ReadString(ulength);
if (stream.Length - stream.Position >= 2)
{
short plength = stream.ReadShort();
if (stream.Length - stream.Position >= plength)
{
string password = stream.ReadString(plength);
if (stream.Length - stream.Position >= 8)
{
stream.ReadLong();
if (stream.Length - stream.Position >= 1)
{
stream.ReadByte();
if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Online)
{
//REFRACTOR?
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.minecraft.net/game/checkserver.jsp?user="******"&serverId=" + client.Hash);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
byte[] buffer = new byte[3];
response.GetResponseStream().Read(buffer, 0, buffer.Length);
if (UTF8Encoding.UTF8.GetString(buffer) == "YES")
{
client.Send(MinecraftPacketCreator.GetLoginRequest());
client.Load();
return true;
}
else
{
client.Disconnect("Failed to verify username.");
}
}
else if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Offline)
{
client.Send(MinecraftPacketCreator.GetLoginRequest());
client.Load();
return true;
}
else if (MinecraftServer.Instance.Authentication == MinecraftAuthentication.Password)
{
// Insert validation function here...
// Password doesn't even work.
client.Disconnect("Password authentication not implemented.");
}
}
}
}
}
}
}
}
else
{
client.Disconnect("Invalid version.");
}
}
return false;
}
public bool HandlePacket(MinecraftClient client, MinecraftPacketStream stream)
{
client.ResetConnectionTimer();
return true;
}
public bool RunCommand(MinecraftClient client, string name, string[] args)
{
try
{
Run(client, name, args);
return true;
}
catch
{
if (Compile(name))
{
try
{
Run(client, name, args);
return true;
}
catch (Exception e)
{
Log.Error(e, "Error running script {0}.", name);
return false;
}
}
return false;
}
}
private void Run(MinecraftClient client, string name, string[] args)
{
AppDomain domain = AppDomain.CreateDomain("domain", null, Setup);
try
{
((ICommand)domain.CreateInstanceFromAndUnwrap(Path.Combine(CommandDirectory, name + ".dll"), "Minecraft.Commands." + Commands[name])).Run(MinecraftServer.Instance, client, args);
}
finally
{
AppDomain.Unload(domain);
}
}
