示例#1
0
        //updates the leaderboard listview
        public void showLeaderBoard()
        {
            Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Background, new Action(() =>
            {
                leaderboard.Clear();
                using (var context = new NetworkedCheckersContainer())
                {
                    var query = from highscore in context.Highscores orderby highscore.MoveCount ascending select highscore;
                    foreach (var highscore in query)
                    {
                        string highscoreString = "";
                        highscoreString       += highscore.User.UserName;
                        highscoreString       += " ";
                        highscoreString       += highscore.MoveCount;
                        highscoreString       += " ";
                        highscoreString       += highscore.DateTime;

                        leaderboard.Add(highscoreString);
                    }
                }
            }
                                                                                                 ));
        }
示例#2
0
        public void HandleRequests()
        {
            var endPoint = new IPEndPoint(IPAddress.Any, networkPort);

            while (true)
            {
                var requestBytes = udpServer.Receive(ref endPoint);
                var request      = Encoding.UTF8.GetString(requestBytes);
                var response     = "ERROR";

                //process the request
                //if login request, check username and password
                if (Regex.Match(request, @"^LOGIN,[A-Za-z]+,[A-Za-z0-9]+$").Success)
                {
                    string[] requestArray = request.Split(',');
                    using (var context = new NetworkedCheckersContainer())
                    {
                        var query = from user in context.Users select user;
                        foreach (var user in query)
                        {
                            if (requestArray[1].Equals(user.UserName) && requestArray[2].Equals(user.Password) && user.LoginStatus == false)
                            {
                                user.LoginStatus = true;
                                //create string of online users
                                string allUser = "";
                                foreach (var userObj in query)
                                {
                                    if (userObj.LoginStatus == true)
                                    {
                                        allUser += userObj.UserName;
                                        allUser += ":";
                                    }
                                }
                                allUser = allUser.Remove(allUser.Length - 1);

                                BroadcastMessages("USERS," + allUser);
                                response = "OKAY";
                                break;
                            }
                        }
                        context.SaveChanges();
                    }
                }
                //if logoff request
                else if (Regex.Match(request, @"^LOGOUT,[A-Za-z]+$").Success)
                {
                    string[] requestArray = request.Split(',');
                    using (var context = new NetworkedCheckersContainer())
                    {
                        var query = from user in context.Users select user;
                        foreach (var user in query)
                        {
                            //change the login status of the designated user to false
                            if (user.UserName == requestArray[1] && user.LoginStatus == true)
                            {
                                user.LoginStatus = false;
                                break;
                            }
                        }
                        context.SaveChanges();

                        //create string of online users
                        string allUser = "";
                        foreach (var user in query)
                        {
                            if (user.LoginStatus == true)
                            {
                                allUser += user.UserName;
                                allUser += ":";
                            }
                        }
                        if (allUser != "")
                        {
                            allUser = allUser.Remove(allUser.Length - 1);
                        }

                        BroadcastMessages("USERS," + allUser);
                        response = "OKAY";
                    }
                }
                else
                {
                    switch (gamestate)
                    {
                    case GameState.WAIT_FOR_GAME_START:
                        if (Regex.Match(request, @"^PLAY,[A-Za-z]+,[A-Za-z]+$").Success)
                        {
                            string[] requestArray = request.Split(',');
                            p1Name = requestArray[1];
                            p2Name = requestArray[2];
                            if (p1Name != p2Name)
                            {
                                //set move count to 0
                                gameMoveCount = 0;
                                //set board to initial position
                                board.resetBoard();
                                gamestate = GameState.Player1_MOVING;

                                BroadcastMessages("GAMESTATE," + board.GetPieces());
                                BroadcastMessages("GAMESTART," + p1Name + "," + p2Name);
                                BroadcastMessages("STATUS," + p1Name + ",MOVING");
                                BroadcastMessages("STATUS," + p2Name + ",WAITING");
                                response = "OKAY";
                            }
                        }
                        break;

                    case GameState.Player1_MOVING:
                        if (Regex.Match(request, @"^TRY,[A-Za-z]+,[1-8][1-8],[1-8][1-8]$").Success)
                        {
                            string[] requestArray = request.Split(',');
                            //check whether this is the player's turn to move
                            if (requestArray[1].Equals(p1Name))
                            {
                                //check whether the move is valid
                                if (board.IsValidMovePlayer1(requestArray[2] + "," + requestArray[3]))
                                {
                                    //move the piece
                                    board.Move(requestArray[2], requestArray[3], Piece.PLAYER1);
                                    gameMoveCount++;

                                    BroadcastMessages("GAMESTATE," + board.GetPieces());
                                    BroadcastMessages("STATUS," + p2Name + ",MOVING");
                                    BroadcastMessages("STATUS," + p1Name + ",WAITING");
                                    response = "DONE";

                                    //check whether the player win after the move
                                    if (board.isP1Win())
                                    {
                                        gamestate = GameState.GAME_OVER;
                                        Record("Game Over. Player 1 Wins");

                                        BroadcastMessages("STATUS," + p1Name + ",WON");
                                        BroadcastMessages("STATUS," + p2Name + ",LOST");

                                        using (var context = new NetworkedCheckersContainer())
                                        {
                                            //identify the winning user from database
                                            var p1User = from user in context.Users where user.UserName.Equals(p1Name) select user;
                                            //add new highscore to Highscores table
                                            var highscore = new Highscore()
                                            {
                                                DateTime  = DateTime.Now.ToString(),
                                                MoveCount = (Int16)gameMoveCount,
                                                User      = p1User.First()
                                            };
                                            context.Highscores.Add(highscore);
                                            context.SaveChanges();
                                        }
                                        showLeaderBoard();
                                    }
                                    else
                                    {
                                        gamestate = GameState.Player2_MOVING;
                                    }
                                }
                            }
                        }
                        break;

                    case GameState.Player2_MOVING:
                        if (Regex.Match(request, @"^TRY,[A-Za-z]+,[1-8][1-8],[1-8][1-8]$").Success)
                        {
                            //check whether this is the player's turn to move
                            string[] requestArray = request.Split(',');
                            if (requestArray[1].Equals(p2Name))
                            {
                                //check whether the move is valid
                                if (board.IsValidMovePlayer2(requestArray[2] + "," + requestArray[3]))
                                {
                                    //move the piece
                                    board.Move(requestArray[2], requestArray[3], Piece.PLAYER2);
                                    gameMoveCount++;

                                    BroadcastMessages("GAMESTATE," + board.GetPieces());
                                    BroadcastMessages("STATUS," + p1Name + ",MOVING");
                                    BroadcastMessages("STATUS," + p2Name + ",WAITING");
                                    response = "DONE";

                                    //check whether the player win after the move
                                    if (board.isP2Win())
                                    {
                                        gamestate = GameState.GAME_OVER;
                                        Record("Game Over. Player 2 Wins");
                                        BroadcastMessages("STATUS," + p2Name + ",WON");
                                        BroadcastMessages("STATUS," + p1Name + ",LOST");

                                        //record the win into the database
                                        using (var context = new NetworkedCheckersContainer())
                                        {
                                            //identify the winning user from database
                                            var p2User = from user in context.Users where user.UserName.Equals(p2Name) select user;
                                            //add new highscore to Highscores table
                                            var highscore = new Highscore()
                                            {
                                                DateTime  = DateTime.Now.ToString(),
                                                MoveCount = (Int16)gameMoveCount,
                                                User      = p2User.First()
                                            };
                                            context.Highscores.Add(highscore);
                                            context.SaveChanges();
                                        }
                                        showLeaderBoard();
                                    }
                                    else
                                    {
                                        gamestate = GameState.Player1_MOVING;
                                    }
                                }
                            }
                        }
                        break;

                    case GameState.GAME_OVER:
                        if (Regex.Match(request, @"^PLAY,[A-Za-z]+,[A-Za-z]+$").Success)
                        {
                            gamestate = GameState.WAIT_FOR_GAME_START;
                            goto case GameState.WAIT_FOR_GAME_START;
                        }
                        break;
                    }
                }

                //send response
                var responseBytes = Encoding.UTF8.GetBytes(response);
                udpServer.Send(responseBytes, responseBytes.Length, endPoint);

                Record("Request: " + request);
                Record("Response: " + response);
                Record("New Game State: " + gamestate.ToString());
                Record("Current Game State: " + gamestate.ToString());
            }
        }