/// <summary>
/// Broadcasts a message to all players in a room, EXCEPT for the one specified
/// </summary>
/// <param name="gameMessage">IMessage to send</param>
/// <param name="player">Player NOT to send to</param>
public void BroadcastExcept(IMessage gameMessage, Player player)
{
BroadcastExcept(gameMessage,
(NetConnection)NetServer.Connections.Where(x => x.RemoteUniqueIdentifier == player.RemoteUniqueIdentifier &&
Server.PlayerFromRUI(x.RemoteUniqueIdentifier, true).Map.ID == player.Map.ID)
.ElementAt(0));
}
/// <summary>
/// Finds a player from a remote unique identifier
/// </summary>
/// <param name="remoteUniqueIdentifier">The RMI to find</param>
/// <param name="ignoreError">If a player is not found, should an error be thrown?</param>
public static Player PlayerFromRUI(long remoteUniqueIdentifier, bool ignoreError = false)
{
Player found = null;
foreach (Map map in Maps)
{
foreach (Player player in map.Players)
{
if (player.RemoteUniqueIdentifier == remoteUniqueIdentifier)
{
found = player;
}
}
}
if (found != null)
{
return(found);
}
else if (ignoreError)
{
return(null);
}
else
{
throw new KeyNotFoundException("Could not find player from RemoteUniqueIdentifier: " + remoteUniqueIdentifier);
}
}
/// <summary>
/// Broadcasts a message to all players in a room, EXCEPT for the one specified
/// </summary>
/// <param name="gameMessage">IMessage to send</param>
/// <param name="player">Player NOT to send to</param>
public void BroadcastExcept(IMessage gameMessage, Player player)
{
BroadcastExcept(gameMessage,
(NetConnection)NetServer.Connections.Where(x => x.RemoteUniqueIdentifier == player.RemoteUniqueIdentifier
&& Server.PlayerFromRUI(x.RemoteUniqueIdentifier, true).Map.ID == player.Map.ID)
.ElementAt(0));
}
/// <summary>
/// The process network messages such as player's joining, moving, etc
/// </summary>
public void ProcessNetworkMessages()
{
//Used to store messages
NetIncomingMessage inc;
while (true) //Continously check for new messages and process them
{
//Block thread until next message
NetworkManager.NetServer.MessageReceivedEvent.WaitOne();
if ((inc = NetManager.ReadMessage()) != null)
{
//Try and find who sent the message
Player sender = inc.SenderConnection == null ?
null : Server.PlayerFromRUI(inc.SenderConnection.RemoteUniqueIdentifier, true);
switch (inc.MessageType)
{
//ConnectionApproval messages are sent when a client would like to connect to the server
case NetIncomingMessageType.ConnectionApproval:
{
MessageTypes type = (MessageTypes)Enum.Parse(typeof(MessageTypes), inc.ReadByte().ToString()); //Find message type
switch (type)
{
//If the player would like to login
case MessageTypes.Login:
{
Log.WriteLine(LogType.Server, "Login request (RUI: {0} IP: {1})",
inc.SenderConnection.RemoteUniqueIdentifier, inc.SenderEndPoint.Address); //Log message
//If the player isn't already connected, allow them to join
if (!Server.Logins.ContainsKey(inc.SenderConnection.RemoteUniqueIdentifier))
{
LoginMessage login = new LoginMessage(inc);
if (GlobalSettings.NameRegex.IsMatch(login.Username)) //Double check username is valid
{
Server.Logins.Add(inc.SenderConnection.RemoteUniqueIdentifier, login);
inc.SenderConnection.Approve();
}
else
{
inc.SenderConnection.Deny("Invalid Username:Kicked");
}
}
else
{
inc.SenderConnection.Deny();
}
break;
}
}
break;
}
//Data messages are all messages manually sent from client
//These are the bulk of the messages, used for player movement, block placing, etc
case NetIncomingMessageType.Data:
{
ProcessDataMessage(inc);
break;
}
//StatusChanged messages occur when a client connects, disconnects, is approved, etc
//NOTE: Disconnecting and Disconnected are not instant unless client is shutdown with Disconnect()
case NetIncomingMessageType.StatusChanged:
{
//Find player name
string name = Server.Logins.ContainsKey(inc.SenderConnection.RemoteUniqueIdentifier) ?
Server.Logins[inc.SenderConnection.RemoteUniqueIdentifier].Username + " (" + inc.SenderConnection.RemoteUniqueIdentifier + ")" :
"Unknown (" + inc.SenderConnection.RemoteUniqueIdentifier + ")";
//The lines below can get spammy, used to show when statuses change
//Log.WriteLine(LogType.Status, "Status: {0} changed: {1}", name, inc.SenderConnection.Status.ToString());
//When a players connection is finalized
if (inc.SenderConnection.Status == NetConnectionStatus.Connected)
{
//Log message
LoginMessage login = Server.Logins[inc.SenderConnection.RemoteUniqueIdentifier];
Log.WriteLine(LogType.Server, "User {0} authenticated (RUI: {1}, IP: {2})", login.Username, inc.SenderConnection.RemoteUniqueIdentifier, inc.SenderEndPoint.Address);
break;
}
//When a client disconnects
if (inc.SenderConnection.Status == NetConnectionStatus.Disconnected || inc.SenderConnection.Status == NetConnectionStatus.Disconnecting)
{
if (sender != null)
{
Log.WriteLine(LogType.Server, ConsoleColor.Red, "{0} disconnected. (Room: {1})", sender.Username, sender.Map.Name);
if (sender.Map.Players.Contains(sender))
{
//Remove player
sender.Map.Players.Remove(sender);
RebuildIndexes(sender.Map);
//Send to players
NetManager.Broadcast(sender.Map, new PlayerLeaveMessage(sender.ID));
sender = null;
}
}
else
{
Log.WriteLine(LogType.Server, ConsoleColor.Red, "{0} disconnected.", Server.Logins[inc.SenderConnection.RemoteUniqueIdentifier].Username);
}
Server.Logins.Remove(inc.SenderConnection.RemoteUniqueIdentifier);
}
break;
}
default:
break;
}
}
}
}
/// <summary>
/// Handles all actions for recieving data messages (Such as movement, block placing, etc)
/// </summary>
/// <param name="inc">The incoming message</param>
private void ProcessDataMessage(NetIncomingMessage inc)
{
Player sender = Server.PlayerFromRUI(inc.SenderConnection.RemoteUniqueIdentifier, true);
Map map = null;
if (sender != null)
{
map = (Map)sender.Map;
}
MessageTypes type = (MessageTypes)Enum.Parse(typeof(MessageTypes), inc.ReadByte().ToString());
switch (type)
{
//When a player request to recieve a message
case MessageTypes.Request:
{
MessageTypes request = new RequestMessage(inc).RequestType;
//Request to recieve lobby data
if (request == MessageTypes.Lobby)
{
List <LobbySaveData> rooms = new List <LobbySaveData>();
foreach (Map m in Maps)
{
rooms.Add(LobbySaveData.FromMap(m));
}
LobbyMessage msg = new LobbyMessage(Server.Config.Name, Server.Config.Decription, Server.Config.Intro, NetworkManager.NetServer.ConnectionsCount, rooms);
NetManager.Send(msg, inc.SenderConnection);
}
break;
}
//When a player exits to the lobby
case MessageTypes.PlayerLeave:
{
PlayerLeaveMessage user = new PlayerLeaveMessage(inc);
user.ID = sender.ID;
Log.WriteLine(LogType.Room, "{0} has left: {1}", sender.Username, sender.Map.Name);
//Remove player
map.Players.Remove(sender);
RebuildIndexes(map);
//Send to players
NetManager.Broadcast(sender.Map, new PlayerLeaveMessage(sender.ID));
IO.SaveMap((Bricklayer.Server.World.Map)sender.Map);
sender = null;
break;
}
//When a player moves
case MessageTypes.PlayerStatus:
{
PlayerStateMessage state = new PlayerStateMessage(inc);
state.ID = sender.ID;
//Clamp position in bounds
state.Position = new Point((int)MathHelper.Clamp(state.Position.X, Tile.Width, (map.Width * Tile.Width) - (Tile.Width * 2)), (int)MathHelper.Clamp(state.Position.Y, Tile.Height, (map.Height * Tile.Height) - (Tile.Height * 2)));
sender.SimulationState.Position = state.Position.ToVector2();
sender.SimulationState.Velocity = state.Velocity.ToVector2();
sender.SimulationState.Movement = state.Movement.ToVector2();
sender.IsJumping = state.IsJumping;
NetManager.BroadcastExcept(state, sender);
break;
}
//When a player places a block
case MessageTypes.Block:
{
BlockMessage state = new BlockMessage(inc);
BlockType block = BlockType.FromID(state.BlockID);
//Verify Block (Make sure it is in bounds and it has changed, no use sending otherwise)
//TODO: Punish players spamming invalid data (Because official client should never send it)
if (map.InBounds(state.X, state.Y, state.Z) && map.Tiles[state.X, state.Y, state.Z].Block.ID != block.ID)
{
map.Tiles[state.X, state.Y, state.Z].Block = block;
NetManager.Broadcast(sender.Map, state);
}
break;
}
//When a player sends a chat message
case MessageTypes.Chat:
{
ChatMessage chat = new ChatMessage(inc);
chat.ID = sender.ID;
//Verify length
if (chat.Message.Length > ChatMessage.MaxLength)
{
chat.Message = chat.Message.Truncate(ChatMessage.MaxLength);
}
NetManager.BroadcastExcept(chat, sender);
//Log message
Log.WriteLine(LogType.Chat, ConsoleColor.Gray, "<{0}> {1}", sender.Username, chat.Message);
break;
}
//When a player changes smiley
case MessageTypes.PlayerSmiley:
{
PlayerSmileyMessage smiley = new PlayerSmileyMessage(inc);
smiley.ID = sender.ID;
if (sender.Smiley != smiley.Smiley)
{
sender.Smiley = smiley.Smiley;
NetManager.BroadcastExcept(smiley, sender);
}
break;
}
//When a player changes mode (Ex: godmode to normal
case MessageTypes.PlayerMode:
{
PlayerModeMessage mode = new PlayerModeMessage(inc);
mode.ID = sender.ID;
if (sender.Mode != mode.Mode)
{
sender.Mode = mode.Mode;
NetManager.BroadcastExcept(mode, sender);
}
break;
}
//When a player requests to join a room
case MessageTypes.JoinRoom:
{
if (sender == null) //If the sender isn't null, then they are already in a room
{
JoinRoomMessage msg = new JoinRoomMessage(inc);
int newMap = Maps.IndexOf(Server.MapFromID(msg.ID));
LoginMessage login = Server.Logins[inc.SenderConnection.RemoteUniqueIdentifier]; //Fetch stored login from dictionary
Maps[newMap].Players.Add(new Player(Maps[newMap], Maps[newMap].Spawn, login.Username, inc.SenderConnection.RemoteUniqueIdentifier, Server.FindEmptyID(Maps[newMap]))
{
Tint = login.Color
});
sender = Server.PlayerFromRUI(inc.SenderConnection.RemoteUniqueIdentifier, true);
NetManager.Send(new InitMessage(sender.Map), sender);
//Send message to player notifing he is connected and ready
NetManager.Send(new PlayerJoinMessage(sender.Username, sender.ID, true, sender.Tint), sender);
//Log message
Log.WriteLine(LogType.Room, "{0} joined: {1}", login.Username, Maps[newMap].Name);
//Send message to everyone notifying of new user
NetManager.BroadcastExcept(new PlayerJoinMessage(sender.Username, sender.ID, false, sender.Tint), sender);
//Let new player know of all existing players and their states (Mode, Position, Smiley)
foreach (Player player in sender.Map.Players)
{
if (player.ID != sender.ID)
{
NetManager.Send(new PlayerJoinMessage(player.Username, player.ID, false, player.Tint), sender);
NetManager.Send(new PlayerStateMessage(player), sender);
if (player.Mode != PlayerMode.Normal)
{
NetManager.Send(new PlayerModeMessage(player), sender);
}
if (player.Smiley != SmileyType.Default)
{
NetManager.Send(new PlayerSmileyMessage(player, player.Smiley), sender);
}
}
}
}
break;
}
//When a player requests to make a room
case MessageTypes.CreateRoom: //If the sender isn't null, then they are already in a room
{
if (sender == null)
{
CreateRoomMessage msg = new CreateRoomMessage(inc);
Map newMap = Server.CreateMap(msg.Name, msg.Description);
LoginMessage login = Server.Logins[inc.SenderConnection.RemoteUniqueIdentifier]; //Fetch stored login from dictionary
newMap.Players.Add(new Player(newMap, newMap.Spawn, login.Username, inc.SenderConnection.RemoteUniqueIdentifier, Server.FindEmptyID(newMap))
{
Tint = login.Color
});
sender = Server.PlayerFromRUI(inc.SenderConnection.RemoteUniqueIdentifier, true);
//Send message to player notifing he is connected and ready
NetManager.Send(new InitMessage(sender.Map), sender);
NetManager.Send(new PlayerJoinMessage(sender.Username, sender.ID, true, sender.Tint), sender);
//Log message
Log.WriteLine(LogType.Room, "{0} created room: {1}", login.Username, newMap.Name);
}
break;
}
}
}
