internal static void SendUpdatedPosition(this MasterServer server, int toClient, float[] newPos)
{
if (newPos == null || newPos.Length < 3)
{
MasterServer.DebugServer(server.serverTypeName, "The new position is either null or doesn't have an x, y, and z.");
return;
}
using (Packet packet = new Packet((int)ServerPackets.updatePosition))
{
packet.Write(newPos[0]);
packet.Write(newPos[1]);
packet.Write(newPos[2]);
server.SendUdpData(toClient, packet);
}
}
/// <summary>
/// Gives the client an ID and checks if the current username belongs to them.
/// </summary>
/// <param name="server">The Master Server to run this on.</param>
/// <param name="toClient">The client's new ID.</param>
/// <param name="username">The client's username to validate.</param>
internal static void ValidateLogin(this MasterServer server, int fromClient, Packet packet)
{
string username = packet.ReadString();
// If the username's length is less than 3, disconnect the client and warn them.
if (username.Length < 3)
{
server.Message(fromClient, "Please enter a username longer than 2 characters. Disconnecting.");
server.DisconnectClient(fromClient);
MasterServer.DebugServer(server.serverTypeName, $"Disconnecting Client#{fromClient} for having the username '{username}' which is too short.");
return;
}
server.InitializeLogin(fromClient, username);
}
/// <summary>
/// Sends a Client their validated login information.
/// </summary>
/// <param name="server">The Master Server to run this on.</param>
/// <param name="toClient">The client to give a username and ID.</param>
/// <param name="username">The client's username.</param>
internal static void InitializeLogin(this MasterServer server, int toClient, string username)
{
MasterServer.DebugServer(server.serverTypeName, $"Setting Client#{toClient}'s username to {username}.");
/**
* TODO:
* 1. There's no API decided currently. But, when the time comes, the user should authenticate through that.
* 2. For now, just receive a username and let them use that name. No real validation needs to take place yet.
* 3. Think about making it flexible enough to allow users to import their own auth systems.
*/
using (Packet packet = new Packet((int)ServerPackets.initializeLogin))
{
packet.Write(username);
packet.Write(toClient);
server.SendTcpData(toClient, packet);
}
}
/// <summary>
/// Handles the client's answer. If it matches the client's name
/// then initialize them as a Cluster Client.
/// </summary>
/// <param name="server">The Master Server to run this on.</param>
/// <param name="fromClient">The client sending this packet.</param>
/// <param name="packet">The packet containing the answer and extra data.</param>
internal static void AnswerPassphrase(this MasterServer server, int fromClient, Packet packet)
{
string answer = packet.ReadString();
string clusterName = packet.ReadString(); // The requested name for this cluster.
if (answer == server.clients[fromClient].name)
{
server.InitializeCluster(fromClient, clusterName);
}
else
{
server.Message(fromClient, "Incorrect passphrase. Disconnecting.");
server.DisconnectClient(fromClient);
MasterServer.DebugServer(server.serverTypeName, $"Disconnecting Client#{fromClient} for answering their passphrase incorrectly.");
return;
}
}