public void CharacterInfoEvent(Client c, string[] command)
{
Guid g;
if(!Guid.TryParse(command[0],out g))
c.Send(new ErrorException(ClientError.INTERNAL_ERROR, "Invalid GUID"));
else if(this.challengesRequests.ContainsKey(g))
{
Client cl = this.challengesRequests[g];
cl.Character = new Character(int.Parse(command[1]), command[2], this.Map.ID);
cl.Character.Position.X = this.Map.StartPoint.X;
cl.Character.Position.Y = this.Map.StartPoint.Y;
cl.Send("player-character", new string[] { cl.Character.ID.ToString(), command[2] });
this.challengesRequests.Remove(g);
//Aknowledge the other clients of this one
foreach(Client oc in this.NetConnector.clients)
{
if(oc.ID != cl.ID)
{
oc.Send("character", new string[] { cl.Character.ID.ToString(), cl.Character.Name, cl.Character.Position.X.ToString(), cl.Character.Position.Y.ToString() });
cl.Send("character", new string[] { oc.Character.ID.ToString(), oc.Character.Name, oc.Character.Position.X.ToString(), oc.Character.Position.Y.ToString() });
}
}
}
}
//Raises an event from its name
public static void Raise(string eventName, Client c, string[] command)
{
//Boooh, switch, ugly as hell, but Reflection is a bit too hard to try raising static events dynamically.
try
{
switch(eventName)
{
case "ping": Events.Ping(c, command); break;
case "mapserver": Events.MapServer(c, command); break;
case "exit": case "quit": Events.Quit(c, command); break;
case "auth": Events.Auth(c, command); break;
case "character-list": Events.CharacterList(c, command); break;
case "set-character": Events.SetCharacter(c, command); break;
case "getmap": Events.GetMap(c, command); break;
case "get-position": Events.GetPosition(c, command); break;
case "character-info": Events.CharacterInfo(c, command); break;
case "ok": break;
case "pong": break;
case "server": break;
case "moveleft": Events.MoveLeft(c, command); break;
case "moveup": Events.MoveUp(c, command); break;
case "movedown": Events.MoveDown(c, command); break;
case "moveright": Events.MoveRight(c, command); break;
case "error": Log.Write("[" + command[0] + "] " + command[1], Log.ErrorLevel.WARNING); break;
default: Events.EventNotFound(c, new string[] { eventName }); break;
}
}
catch(Exception e)
{
Log.Write("Exception catched: " + e.Message, Log.ErrorLevel.WARNING);
c.Send(new ErrorException(ClientError.INTERNAL_ERROR, "Internal error"));
}
}
//Auth event callback : Authenticates the client from the data of the Head server, by a challenge check (GUID).
//Usage: auth:<challenge>
public void AuthEvent(Client c, string[] command)
{
Guid g;
if(Guid.TryParse(command[0], out g))
{
this.challengesRequests.Add(g, c);
this.Client.Send("character-info", command);
}
else
c.Send(new ErrorException(ClientError.INTERNAL_ERROR, "Malformed Guid"));
}
public void CharacterListEvent(Client c, string[] command)
{
if(c.ClientID == null)
{
c.Send(new ErrorException(ClientError.NOT_AUTHED, "Auth first"));
return;
}
c.Send("character-list-begin");
var chars = c.ListCharacters();
foreach(Character row in chars)
c.Send("character", new string[]{row.ID.ToString(), row.Name});
c.Send("character-list-end");
}
//Waits and accepts a connection from an incoming client. Threaded.
public void AcceptConnection()
{
Log.Write("Now listening for incoming connections.", Log.ErrorLevel.NOTICE);
while(true)
{
Socket s = this.sock.Accept();
IPEndPoint remoteEndPoint = s.RemoteEndPoint as IPEndPoint;
Client c = new Client(remoteEndPoint.Address, remoteEndPoint.Port, s);
if(this.ClientConnect != null)
this.ClientConnect(c);
this.clients.Add (c);
c.Send ("server", new string[]{ MainClass.ServerName });
}
}
public void CharacterInfoEvent(Client c, string[] command)
{
if(c.MapServer)
{
Guid g;
if(Guid.TryParse(command[0], out g))
{
if(this.Challenges.ContainsKey(g))
{
Character ch = this.Challenges[g];
c.Send("character-info", new string[] { command[0], ch.ID.ToString(), ch.Name });
}
}
else
c.Send(new ErrorException(ClientError.INTERNAL_ERROR, "Malformed Guid"));
}
else
c.Send(new ErrorException(ClientError.ACCESS_DENIED, "Access denied"));
}
public void MoveUpEvent(Client c, string[] command)
{
if(c.Character.Position.Y > 0)
{
this.NetConnector.Broadcast("moveup", new string[] { c.ID.ToString() }, new int[] { c.ID });
c.Character.Position.Y--;
}
else
this.GetPositionEvent(c, command);
}
//Ping, reply pong with correct challenge
public void PingEvent(Client c, string[] command)
{
c.Send("pong:" + command[0]);
}
public void GetPositionEvent(Client c, string[] command)
{
c.Send("position", new string[] { c.Character.ID.ToString(), c.Character.Position.X.ToString(), c.Character.Position.Y.ToString() });
}
public void MoveRightEvent(Client c, string[] command)
{
c.Character.Position.X++;
this.NetConnector.Broadcast("moveright", new string[] { c.ID.ToString() }, new int[] { c.ID });
}
//Callback called when a client disconnects
public void ClientDisconnect(Client c)
{
Log.Write ("Client #" + c.ID + " disconnected.", Log.ErrorLevel.NOTICE);
if(c.Character != null)
{
foreach(Client cl in this.NetConnector.clients)
{
if(cl.ID != c.ID)
cl.Send("character-out", new string[] { c.Character.ID.ToString()});
}
}
}
//GetMap event callback : returns a fragment of the map to the client
//Usage: getmap
public void GetMapEvent(Client c, string[] command)
{
c.Send("change-tileset", new string[] { this.Map.Tileset });
short startX = c.Character.Position.X;
short startY = c.Character.Position.Y;
short t;
for(t = 4; t*4 < startX; t += 4);
startX = t;
for(t = 4; t*4 < startY; t += 4);
startY = t;
startX -= 16;
startY -= 16;
Chunk ch;
for(short i = 0; i < 32; i+=4)
{
for(short j = 0; j < 32; j += 4)
{
if((ch = this.Map.GetChunk(new Coordinate((short)(startX + i), (short)(startY + j)))) != null)
{
c.Send("chunk", ch.ToStringArray());
Thread.Sleep(5);
}
}
}
}
public void ClientDisconnect(Client c)
{
if(this.MapClients.ContainsKey(c.ID))
{
Log.Write("Unregistered MapServer using map "+ this.MapClients[c.ID].MapName + "(" + this.MapClients[c.ID].MapID + ")", Log.ErrorLevel.DEBUG);
this.MapClients.Remove(c.ID);
}
Log.Write ("Client #" + c.ID + " disconnected.", Log.ErrorLevel.NOTICE);
}
//Callback called when a client connects
public void ClientConnect(Client c)
{
Log.Write("Client connected: #" + c.ID.ToString(), Log.ErrorLevel.DEBUG);
//c.Character = new Character();
}
public void Disconnect(Client c, bool notify = true)
{
if(notify)
c.Send("bye");
Console.WriteLine(c.ToString());
if(this.ClientDisconnect != null)
this.ClientDisconnect(c);
c.Disconnect();
this.clients.Remove(c);
}
//Default event called when a command has not triggered another event
public void EventNotFound(Client c, string[] command)
{
c.Send(new ErrorException(ClientError.UNKNOWN_COMMAND, "Unknown command: " + command[0]));
}
public void AuthEvent(Client c, string[] command)
{
if(!c.Authentify(command[0], command[1]))
c.Send(new ErrorException(ClientError.INVALID_LOGIN, "Invalid login/password"));
}
public void SetCharacterEvent(Client c, string[] command)
{
var chars = c.ListCharacters();
int id = int.Parse(command[0]);
foreach(Character ch in chars)
{
if(ch.ID == id)
{
MapServerClient msc = this.GetMapServer(ch.LastMap);
if(msc == null)
{
c.Send(new ErrorException(ClientError.INTERNAL_ERROR, "Internal error"));
return;
}
Guid g = Guid.NewGuid();
this.Challenges.Add(g, ch);
c.Send("connect", new string[] { g.ToString(), msc.c.Address.ToString(), msc.c.Port.ToString() });
return;
}
}
c.Send(new ErrorException(ClientError.UNKNOWN_CHARACTER, "Unknown character"));
}
//MapServer event callback: sets the map provided by the map server sending the command.
//Note: the client sending this command has to be authed as a map server.
//Usage: mapserver:<mapid>.<mapname>
//mapid: Map identifier, alphanumeric.
//mapname: the name of the map, in human-fancy form.
public void MapServerEvent(Client c, string[] command)
{
if(c.MapServer)
{
Log.Write("Client #" + c.ID + " is now defined as a map server, with map '" + command[0] + "'.", Log.ErrorLevel.DEBUG);
MapServerClient msp = new MapServerClient(c);
this.MapClients.Add (c.ID, msp);
msp.MapID = command[0];
msp.MapName = command[1];
c.Port = int.Parse(command[2]);
}
else
c.Send(new ErrorException(ClientError.ACCESS_DENIED, "Access denied"));
}
public MapServerClient(Client c)
{
this.c = c;
}
//Client disconnection, we disconnect it
public void QuitEvent(Client c, string[] command)
{
this.NetConnector.Disconnect(c);
}
