Basic multiplayer pong.

2 files changed, 347 insertions, 109 deletions

diff --git a/ShiftOS.WinForms/Applications/Pong.Designer.cs b/ShiftOS.WinForms/Applications/Pong.Designer.cs
index aef8911..b1186c6 100644
--- a/ShiftOS.WinForms/Applications/Pong.Designer.cs
+++ b/ShiftOS.WinForms/Applications/Pong.Designer.cs
@@ -124,6 +124,7 @@ namespace ShiftOS.WinForms.Applications
             this.lblstatscodepoints = new System.Windows.Forms.Label();
             this.lblstatsY = new System.Windows.Forms.Label();
             this.lblstatsX = new System.Windows.Forms.Label();
+            this.btnmatchmake = new System.Windows.Forms.Button();
             this.pgcontents.SuspendLayout();
             this.pnlhighscore.SuspendLayout();
             this.flowLayoutPanel1.SuspendLayout();
@@ -157,11 +158,11 @@ namespace ShiftOS.WinForms.Applications
             // pgcontents
             // 
             this.pgcontents.BackColor = System.Drawing.Color.White;
+            this.pgcontents.Controls.Add(this.pnlintro);
             this.pgcontents.Controls.Add(this.pnlhighscore);
             this.pgcontents.Controls.Add(this.pnlgamestats);
             this.pgcontents.Controls.Add(this.pnlfinalstats);
             this.pgcontents.Controls.Add(this.pnllose);
-            this.pgcontents.Controls.Add(this.pnlintro);
             this.pgcontents.Controls.Add(this.lblbeatai);
             this.pgcontents.Controls.Add(this.lblcountdown);
             this.pgcontents.Controls.Add(this.ball);
@@ -197,6 +198,7 @@ namespace ShiftOS.WinForms.Applications
             this.lbhighscore.Name = "lbhighscore";
             this.lbhighscore.Size = new System.Drawing.Size(539, 246);
             this.lbhighscore.TabIndex = 1;
+            this.lbhighscore.UseCompatibleStateImageBehavior = false;
             // 
             // flowLayoutPanel1
             // 
@@ -525,10 +527,11 @@ namespace ShiftOS.WinForms.Applications
             // 
             // pnlintro
             // 
+            this.pnlintro.Controls.Add(this.btnmatchmake);
             this.pnlintro.Controls.Add(this.Label6);
             this.pnlintro.Controls.Add(this.btnstartgame);
             this.pnlintro.Controls.Add(this.Label8);
-            this.pnlintro.Location = new System.Drawing.Point(1139, 41);
+            this.pnlintro.Location = new System.Drawing.Point(0, 0);
             this.pnlintro.Name = "pnlintro";
             this.pnlintro.Size = new System.Drawing.Size(595, 303);
             this.pnlintro.TabIndex = 13;
@@ -539,7 +542,7 @@ namespace ShiftOS.WinForms.Applications
             this.Label6.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Label6.Location = new System.Drawing.Point(3, 39);
             this.Label6.Name = "Label6";
-            this.Label6.Size = new System.Drawing.Size(589, 227);
+            this.Label6.Size = new System.Drawing.Size(589, 159);
             this.Label6.TabIndex = 15;
             this.Label6.Text = "{PONG_DESC}";
             this.Label6.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
@@ -548,7 +551,7 @@ namespace ShiftOS.WinForms.Applications
             // btnstartgame
             // 
             this.btnstartgame.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
-            this.btnstartgame.Location = new System.Drawing.Point(186, 273);
+            this.btnstartgame.Location = new System.Drawing.Point(188, 215);
             this.btnstartgame.Name = "btnstartgame";
             this.btnstartgame.Size = new System.Drawing.Size(242, 28);
             this.btnstartgame.TabIndex = 15;
@@ -672,6 +675,17 @@ namespace ShiftOS.WinForms.Applications
             this.lblstatsX.Text = "Xspeed: ";
             this.lblstatsX.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
             // 
+            // btnmatchmake
+            // 
+            this.btnmatchmake.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.btnmatchmake.Location = new System.Drawing.Point(188, 253);
+            this.btnmatchmake.Name = "btnmatchmake";
+            this.btnmatchmake.Size = new System.Drawing.Size(242, 28);
+            this.btnmatchmake.TabIndex = 16;
+            this.btnmatchmake.Text = "Or, play against another Shifter!";
+            this.btnmatchmake.UseVisualStyleBackColor = true;
+            this.btnmatchmake.Click += new System.EventHandler(this.btnmatchmake_Click);
+            // 
             // Pong
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -750,5 +764,6 @@ namespace ShiftOS.WinForms.Applications
         internal System.Windows.Forms.Label label12;
         private System.Windows.Forms.FlowLayoutPanel flowLayoutPanel1;
         private System.Windows.Forms.Button button2;
+        internal System.Windows.Forms.Button btnmatchmake;
     }
 }
diff --git a/ShiftOS.WinForms/Applications/Pong.cs b/ShiftOS.WinForms/Applications/Pong.cs
index e0fe793..585639a 100644
--- a/ShiftOS.WinForms/Applications/Pong.cs
+++ b/ShiftOS.WinForms/Applications/Pong.cs
@@ -82,7 +82,23 @@ namespace ShiftOS.WinForms.Applications
         private void pongMain_MouseMove(object sender, MouseEventArgs e)
         {
             var loc = this.PointToClient(MousePosition);
-            paddleHuman.Location = new Point(paddleHuman.Location.X, (loc.Y) - (paddleHuman.Height / 2));
+            if (IsMultiplayerSession)
+            {
+                if (IsLeader)
+                {
+                    paddleHuman.Location = new Point(paddleHuman.Location.X, (loc.Y) - (paddleHuman.Height / 2));
+                    ServerManager.Forward(OpponentGUID, "pong_mp_setopponenty", paddleHuman.Top.ToString());
+                }
+                else
+                {
+                    paddleComputer.Location = new Point(paddleComputer.Location.X, (loc.Y) - (paddleComputer.Height / 2));
+                    ServerManager.Forward(OpponentGUID, "pong_mp_setopponenty", paddleComputer.Top.ToString());
+                }
+            }
+            else
+            {
+                paddleHuman.Location = new Point(paddleHuman.Location.X, (loc.Y) - (paddleHuman.Height / 2));
+            }
         }
 
         private void CenterPanels()
@@ -104,7 +120,13 @@ namespace ShiftOS.WinForms.Applications
             lblstatscodepoints.Top = this.Height - lblstatscodepoints.Height - 5;
             lblstatscodepoints.Left = (this.Width - lblstatscodepoints.Width) / 2;
         }
-        
+
+        int OpponentY = 0;
+
+        bool IsLeader = false;
+
+        int LeaderX = 0;
+        int LeaderY = 0;
 
         // ERROR: Handles clauses are not supported in C#
         private void gameTimer_Tick(object sender, EventArgs e)
@@ -118,39 +140,50 @@ namespace ShiftOS.WinForms.Applications
                 //Check if paddle upgrade has been bought and change paddles accordingly
                 //if (ShiftoriumFrontend.UpgradeInstalled("pong_increased_paddle_size"))
                 //{
-                 //   paddleHuman.Height = 150;
-                  //  paddleComputer.Height = 150;
+                //   paddleHuman.Height = 150;
+                //  paddleComputer.Height = 150;
                 //}
                 //I don't know the point of this but I'm fucking 86ing it. - Michael
 
                 //Set the computer player to move according to the ball's position.
-                if (aiShouldIsbeEnabled)
-                    if (ball.Location.X > (this.Width - (this.Width / 3)) - xVel * 10 && xVel > 0)
-                    {
-                        if (ball.Location.Y > paddleComputer.Location.Y + 50)
-                        {
-                            paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y + computerspeed);
-                        }
-                        if (ball.Location.Y < paddleComputer.Location.Y + 50)
-                        {
-                            paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y - computerspeed);
-                        }
-                        casualposition = rand.Next(-150, 201);
-                    }
+                if (IsMultiplayerSession == true)
+                {
+                    //If we're multiplayer, then we want to set the computer Y to the opponent's Y.
+                    //If we're the leader, we set the AI paddle, else we set the player paddle.
+                    if (IsLeader)
+                        paddleComputer.Top = OpponentY;
                     else
-                    {
-                        //used to be me.location.y - except it's fucking C# and this comment is misleading as fuck. OH WAIT! I didn't write it! And none of the current devs did either! - Michael
-                        if (paddleComputer.Location.Y > this.Size.Height / 2 - paddleComputer.Height + casualposition)
+                        paddleHuman.Top = OpponentY;
+                }
+                else
+                {
+                    if (aiShouldIsbeEnabled)
+                        if (ball.Location.X > (this.Width - (this.Width / 3)) - xVel * 10 && xVel > 0)
                         {
-                            paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y - computerspeed);
+                            if (ball.Location.Y > paddleComputer.Location.Y + 50)
+                            {
+                                paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y + computerspeed);
+                            }
+                            if (ball.Location.Y < paddleComputer.Location.Y + 50)
+                            {
+                                paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y - computerspeed);
+                            }
+                            casualposition = rand.Next(-150, 201);
                         }
-                        //Rylan is hot. Used to be //used to be me.location.y
-                        if (paddleComputer.Location.Y < this.Size.Height / 2 - paddleComputer.Height + casualposition)
+                        else
                         {
-                            paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y + computerspeed);
+                            //used to be me.location.y - except it's fucking C# and this comment is misleading as fuck. OH WAIT! I didn't write it! And none of the current devs did either! - Michael
+                            if (paddleComputer.Location.Y > this.Size.Height / 2 - paddleComputer.Height + casualposition)
+                            {
+                                paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y - computerspeed);
+                            }
+                            //Rylan is hot. Used to be //used to be me.location.y
+                            if (paddleComputer.Location.Y < this.Size.Height / 2 - paddleComputer.Height + casualposition)
+                            {
+                                paddleComputer.Location = new Point(paddleComputer.Location.X, paddleComputer.Location.Y + computerspeed);
+                            }
                         }
-                    }
-
+                }
                 //Set Xvel and Yvel speeds from decimal
                 if (xVel > 0)
                     xVel = (int)Math.Round(xveldec);
@@ -161,119 +194,290 @@ namespace ShiftOS.WinForms.Applications
                 if (yVel < 0)
                     yVel = (int)-Math.Round(yveldec);
 
-                // Move the game ball.
-                ball.Location = new Point(ball.Location.X + xVel, ball.Location.Y + yVel);
+                bool BallPhysics = true;
 
-                // Check for top wall.
-                if (ball.Location.Y < 0)
+                if (IsMultiplayerSession)
                 {
-                    ball.Location = new Point(ball.Location.X, 0);
-                    yVel = -yVel;
-                    ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.typesound);
+                    //Logic for moving the ball in Multiplayer.
+                    if (IsLeader)
+                    {
+                        ball.Location = new Point(ball.Location.X + xVel, ball.Location.Y + yVel);
+                    }
+                    else
+                    {
+                        //Move it to the leader's ball position.
+                        ball.Location = new Point(LeaderX, LeaderY);
+                        BallPhysics = false;
+                    }
                 }
-
-                // Check for bottom wall.
-                if (ball.Location.Y > pgcontents.Height - ball.Height)
-                {
-                    ball.Location = new Point(ball.Location.X, pgcontents.Height - ball.Size.Height);
-                    yVel = -yVel;
-                    ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.typesound);
+                else
+                {// Move the game ball.
+                    ball.Location = new Point(ball.Location.X + xVel, ball.Location.Y + yVel);
                 }
-
-                // Check for player paddle.
-                if (ball.Bounds.IntersectsWith(paddleHuman.Bounds))
+                if (BallPhysics)
                 {
-                    ball.Location = new Point(paddleHuman.Location.X + ball.Size.Width + 1, ball.Location.Y);
-                    //randomly increase x or y speed of ball
-                    switch (rand.Next(1, 3))
+                    // Check for top wall.
+                    if (ball.Location.Y < 0)
                     {
-                        case 1:
-                            xveldec = xveldec + incrementx;
-                            break;
-                        case 2:
-                            if (yveldec > 0)
-                                yveldec = yveldec + incrementy;
-                            if (yveldec < 0)
-                                yveldec = yveldec - incrementy;
-                            break;
+                        ball.Location = new Point(ball.Location.X, 0);
+                        yVel = -yVel;
+                        ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.typesound);
                     }
-                    xVel = -xVel;
-                    ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.writesound);
 
-                }
+                    // Check for bottom wall.
+                    if (ball.Location.Y > pgcontents.Height - ball.Height)
+                    {
+                        ball.Location = new Point(ball.Location.X, pgcontents.Height - ball.Size.Height);
+                        yVel = -yVel;
+                        ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.typesound);
+                    }
 
-                // Check for computer paddle.
-                if (ball.Bounds.IntersectsWith(paddleComputer.Bounds))
-                {
-                    ball.Location = new Point(paddleComputer.Location.X - paddleComputer.Size.Width - 1, ball.Location.Y);
-                    xveldec = xveldec + incrementx;
-                    xVel = -xVel;
-                    ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.writesound);
+
+                    // Check for player paddle.
+                    if (ball.Bounds.IntersectsWith(paddleHuman.Bounds))
+                    {
+                        ball.Location = new Point(paddleHuman.Location.X + ball.Size.Width + 1, ball.Location.Y);
+                        //randomly increase x or y speed of ball
+                        switch (rand.Next(1, 3))
+                        {
+                            case 1:
+                                xveldec = xveldec + incrementx;
+                                break;
+                            case 2:
+                                if (yveldec > 0)
+                                    yveldec = yveldec + incrementy;
+                                if (yveldec < 0)
+                                    yveldec = yveldec - incrementy;
+                                break;
+                        }
+                        xVel = -xVel;
+                        ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.writesound);
+
+                    }
+
+                    // Check for computer paddle.
+                    if (ball.Bounds.IntersectsWith(paddleComputer.Bounds))
+                    {
+                        ball.Location = new Point(paddleComputer.Location.X - paddleComputer.Size.Width - 1, ball.Location.Y);
+                        xveldec = xveldec + incrementx;
+                        xVel = -xVel;
+                        ShiftOS.Engine.AudioManager.PlayStream(Properties.Resources.writesound);
+                    }
                 }
 
+
+
                 // Check for left wall.
                 if (ball.Location.X < -100)
                 {
-                    ball.Location = new Point(this.Size.Width / 2 + 200, this.Size.Height / 2);
-                    paddleComputer.Location = new Point(paddleComputer.Location.X, ball.Location.Y);
-                    if (xVel > 0)
-                        xVel = -xVel;
-                    pnllose.Show();
-                    gameTimer.Stop();
-                    counter.Stop();
-                    lblmissedout.Text = Localization.Parse("{YOU_MISSED_OUT_ON}:") + Environment.NewLine + lblstatscodepoints.Text.Replace(Localization.Parse("{CODEPOINTS}: "), "") + Localization.Parse(" {CODEPOINTS}");
-                    if (ShiftoriumFrontend.UpgradeInstalled("pong_upgrade_2"))
+                    //If we are in multiplayer, and not the leader, we won.
+                    if (IsMultiplayerSession)
                     {
-                        totalreward = levelrewards[level - 1] + beatairewardtotal;
-                        double onePercent = (totalreward / 100);
-                        lblbutyougained.Show();
-                        lblbutyougained.Text = Localization.Parse("{BUT_YOU_GAINED}:") + Environment.NewLine + onePercent.ToString("") + (Localization.Parse(" {CODEPOINTS}"));
-                        SaveSystem.TransferCodepointsFrom("pong", (totalreward / 100));
+                        if (IsLeader)
+                        {
+                            //We lost.
+                            NotifyLoseToTarget();
+                        }
+                        else
+                        {
+                            //We won.
+                            NotifyWinToTarget();
+                            Win();
+                        }
                     }
                     else
                     {
-                        lblbutyougained.Hide();
+                        ball.Location = new Point(this.Size.Width / 2 + 200, this.Size.Height / 2);
+                        paddleComputer.Location = new Point(paddleComputer.Location.X, ball.Location.Y);
+                        if (xVel > 0)
+                            xVel = -xVel;
+                        pnllose.Show();
+                        gameTimer.Stop();
+                        counter.Stop();
+                        lblmissedout.Text = Localization.Parse("{YOU_MISSED_OUT_ON}:") + Environment.NewLine + lblstatscodepoints.Text.Replace(Localization.Parse("{CODEPOINTS}: "), "") + Localization.Parse(" {CODEPOINTS}");
+                        if (ShiftoriumFrontend.UpgradeInstalled("pong_upgrade_2"))
+                        {
+                            totalreward = levelrewards[level - 1] + beatairewardtotal;
+                            double onePercent = (totalreward / 100);
+                            lblbutyougained.Show();
+                            lblbutyougained.Text = Localization.Parse("{BUT_YOU_GAINED}:") + Environment.NewLine + onePercent.ToString("") + (Localization.Parse(" {CODEPOINTS}"));
+                            SaveSystem.TransferCodepointsFrom("pong", (totalreward / 100));
+                        }
+                        else
+                        {
+                            lblbutyougained.Hide();
+                        }
                     }
                 }
 
                 // Check for right wall.
                 if (ball.Location.X > this.Width - ball.Size.Width - paddleComputer.Width + 100)
                 {
-                    ball.Location = new Point(this.Size.Width / 2 + 200, this.Size.Height / 2);
-                    paddleComputer.Location = new Point(paddleComputer.Location.X, ball.Location.Y);
-                    if (xVel > 0)
-                        xVel = -xVel;
-                    beatairewardtotal = beatairewardtotal + beataireward;
-                    lblbeatai.Show();
-                    lblbeatai.Text = Localization.Parse($"{{PONG_BEAT_AI_REWARD_SECONDARY}}: {beataireward}");
-                    tmrcountdown.Start();
-                    gameTimer.Stop();
-                    counter.Stop();
+                    if (IsMultiplayerSession)
+                    {
+                        //If we are the leader we won.
+                        if (IsLeader)
+                        {
+                            NotifyWinToTarget();
+                            Win();
+                        }
+                        else
+                        {
+                            NotifyLoseToTarget();
+                        }
+                    }
+                    else
+                    {
+                        Win();
+                    }
                 }
 
-                //lblstats.Text = "Xspeed: " & Math.Abs(xVel) & " Yspeed: " & Math.Abs(yVel) & " Human Location: " & paddleHuman.Location.ToString & " Computer Location: " & paddleComputer.Location.ToString & Environment.NewLine & " Ball Location: " & ball.Location.ToString & " Xdec: " & xveldec & " Ydec: " & yveldec & " Xinc: " & incrementx & " Yinc: " & incrementy
-                lblstatsX.Text = Localization.Parse("{H_VEL}: ") + xveldec;
-                lblstatsY.Text = Localization.Parse("{V_VEL}: ") + yveldec;
-                lblstatscodepoints.Text = Localization.Parse("{CODEPOINTS}: ") + (levelrewards[level - 1] + beatairewardtotal).ToString();
-                lbllevelandtime.Text = Localization.Parse("{LEVEL}: " + level + " - " + secondsleft + " {SECONDS_LEFT}");
+                if (IsMultiplayerSession)
+                {
+                    if (IsLeader)
+                    {
+                        ServerManager.Forward(OpponentGUID, "pong_mp_setballpos", JsonConvert.SerializeObject(ball.Location));
+                    }
+                }
 
-                if (xVel > 20 || xVel < -20)
+                if (IsLeader)
                 {
-                    paddleHuman.Width = Math.Abs(xVel);
-                    paddleComputer.Width = Math.Abs(xVel);
+                    //lblstats.Text = "Xspeed: " & Math.Abs(xVel) & " Yspeed: " & Math.Abs(yVel) & " Human Location: " & paddleHuman.Location.ToString & " Computer Location: " & paddleComputer.Location.ToString & Environment.NewLine & " Ball Location: " & ball.Location.ToString & " Xdec: " & xveldec & " Ydec: " & yveldec & " Xinc: " & incrementx & " Yinc: " & incrementy
+                    lblstatsX.Text = Localization.Parse("{H_VEL}: ") + xveldec;
+                    lblstatsY.Text = Localization.Parse("{V_VEL}: ") + yveldec;
+                    lblstatscodepoints.Text = Localization.Parse("{CODEPOINTS}: ") + (levelrewards[level - 1] + beatairewardtotal).ToString();
+                    lbllevelandtime.Text = Localization.Parse("{LEVEL}: " + level + " - " + secondsleft + " {SECONDS_LEFT}");
+
+                    if (xVel > 20 || xVel < -20)
+                    {
+                        paddleHuman.Width = Math.Abs(xVel);
+                        paddleComputer.Width = Math.Abs(xVel);
+                    }
+                    else
+                    {
+                        paddleHuman.Width = 20;
+                        paddleComputer.Width = 20;
+                    }
                 }
-                else
+                if (!IsMultiplayerSession)
                 {
-                    paddleHuman.Width = 20;
-                    paddleComputer.Width = 20;
+                    computerspeed = Math.Abs(yVel);
                 }
+            }
+        }
 
-                computerspeed = Math.Abs(yVel);
+        public void ServerMessageReceivedHandler(ServerMessage msg)
+        {
+            if(msg.Name == "pong_mp_setballpos")
+            {
+                var pt = JsonConvert.DeserializeObject<Point>(msg.Contents);
+                LeaderX = pt.X;
+                LeaderY = pt.Y;
+            }
+            else if(msg.Name == "pong_mp_youlose")
+            {
+                LoseMP();
+            }
+            else if(msg.Name == "pong_mp_setopponenty")
+            {
+                int y = Convert.ToInt32(msg.Contents);
+                OpponentY = y;
+            }
+            else if(msg.Name == "pong_handshake_matchmake")
+            {
+                PossibleMatchmakes.Add(msg.Contents);
+            }
+            else if(msg.Name == "pong_handshake_complete")
+            {
+                LeaveMatchmake();
+                StartLevel();
+            }
+            else if(msg.Name == "pong_handshake_giveleaderid")
+            {
+                IsLeader = false;
+                OpponentGUID = msg.Contents;
+                YouGUID = ServerManager.thisGuid.ToString();
+                SendFollowerGUID();
+            }
+            else if(msg.Name == "pong_handshake_left")
+            {
+                if (this.PossibleMatchmakes.Contains(msg.Contents))
+                    this.PossibleMatchmakes.Remove(msg.Contents);
+            }
+            else if(msg.Name == "pong_handshake_setfollowerguid")
+            {
+                IsLeader = false;
+                OpponentGUID = msg.Contents;
+            }
+            else if(msg.Name == "pong_mp_youwin")
+            {
+                Win();
+            }
+        }
 
-                //  pgcontents.Refresh()
-                // pgcontents.CreateGraphics.FillRectangle(Brushes.Black, ball.Location.X, ball.Location.Y, ball.Width, ball.Height)
+        public void NotifyLoseToTarget()
+        {
+            ServerManager.Forward(OpponentGUID, "pong_mp_youwin", null);
+        }
+
+        public void NotifyWinToTarget()
+        {
+            ServerManager.Forward(OpponentGUID, "pong_mp_youlose", null);
+        }
+
+        public void LeaveMatchmake()
+        {
+            ServerManager.Forward("all", "pong_handshake_left", YouGUID);
+        }
+
+        List<string> PossibleMatchmakes = new List<string>();
+
+        public void SendLeaderGUID()
+        {
+            ServerManager.Forward(OpponentGUID, "pong_handshake_giveleaderid", YouGUID);
+        }
+
+
+        public void StartMultiplayer()
+        {
+            IsMultiplayerSession = true;
+            YouGUID = ServerManager.thisGuid.ToString();
+            ServerManager.SendMessage("pong_handshake_matchmake", YouGUID);
+        }
+
+
+        public void SendFollowerGUID()
+        {
+            ServerManager.Forward(OpponentGUID, "pong_handshake_setfollowerguid", YouGUID);
+        }
+
+        public void LoseMP()
+        {
+            ball.Location = new Point(this.Size.Width / 2 + 200, this.Size.Height / 2);
+            if(IsLeader)
+                if (xVel > 0)
+                    xVel = -xVel;
+            lblbeatai.Show();
+            lblbeatai.Text = "The opponent has beaten you!";
+            tmrcountdown.Start();
+            gameTimer.Stop();
+            counter.Stop();
+
+        }
+
+        public void Win()
+        {
+            ball.Location = new Point(this.Size.Width / 2 + 200, this.Size.Height / 2);
+            paddleComputer.Location = new Point(paddleComputer.Location.X, ball.Location.Y);
+            if (xVel > 0)
+                xVel = -xVel;
+            beatairewardtotal = beatairewardtotal + beataireward;
+            lblbeatai.Show();
+            lblbeatai.Text = Localization.Parse($"{{PONG_BEAT_AI_REWARD_SECONDARY}}: {beataireward}");
+            tmrcountdown.Start();
+            gameTimer.Stop();
+            counter.Stop();
 
-            }
         }
 
         // ERROR: Handles clauses are not supported in C#
@@ -606,6 +810,11 @@ namespace ShiftOS.WinForms.Applications
             SetupHighScores();
         }
 
+        bool IsMultiplayerSession = false;
+
+        string YouGUID = "";
+        string OpponentGUID = "";
+
         public void SetupHighScores()
         {
             lbhighscore.Items.Clear();
@@ -668,6 +877,11 @@ namespace ShiftOS.WinForms.Applications
             newgame();
         }
 
+        public void StartLevel()
+        {
+            newgame();
+        }
+        
         // ERROR: Handles clauses are not supported in C#
         private void btnstartgame_Click(object sender, EventArgs e)
         {
@@ -750,5 +964,14 @@ namespace ShiftOS.WinForms.Applications
         {
             pnlhighscore.Hide();
         }
+
+        private void btnmatchmake_Click(object sender, EventArgs e)
+        {
+            this.StartMultiplayer();
+            pnlintro.Hide();
+            lblbeatai.Text = "Beat the other player to earn Codepoints.";
+            lblcountdown.Text = "Waiting for another player...";
+            lblcountdown.Left = (this.Width - lblcountdown.Width) / 2;
+        }
     }
 }