Trying to make a server

Pong.sln

@@ -0,0 +1,36 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32929.385
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "server", "server\server.csproj", "{AB011134-CF45-4362-B3AC-5F11D9C39B80}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "client", "client\client.csproj", "{5AE7A447-37B1-45D1-91D3-664049C1645F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "shared", "shared\shared.csproj", "{EB920FE1-25C7-4AB2-8DC2-A712904E9ABA}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AB011134-CF45-4362-B3AC-5F11D9C39B80}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AB011134-CF45-4362-B3AC-5F11D9C39B80}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AB011134-CF45-4362-B3AC-5F11D9C39B80}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AB011134-CF45-4362-B3AC-5F11D9C39B80}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5AE7A447-37B1-45D1-91D3-664049C1645F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5AE7A447-37B1-45D1-91D3-664049C1645F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5AE7A447-37B1-45D1-91D3-664049C1645F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5AE7A447-37B1-45D1-91D3-664049C1645F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EB920FE1-25C7-4AB2-8DC2-A712904E9ABA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB920FE1-25C7-4AB2-8DC2-A712904E9ABA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EB920FE1-25C7-4AB2-8DC2-A712904E9ABA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EB920FE1-25C7-4AB2-8DC2-A712904E9ABA}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {431509A6-DE8B-46C1-AC0D-5FF9344BD6FB}
+	EndGlobalSection
+EndGlobal

client/Ball.cs

@@ -61,8 +61,10 @@ namespace client
         // Start | Stop ball moving
         public Ball StartMoving()
         {
-            MoveX = random.Next((int)-Speed, (int)Speed);
+            /*MoveX = random.Next((int)-Speed, (int)Speed);
-            MoveY = random.Next((int)-Speed, (int)Speed);
+            MoveY = 1000f;*/
+            MoveX = Speed;
+            MoveY = Speed;
             CanMove = true;
             return this;
         }
@@ -71,7 +73,7 @@ namespace client
         {
             if (CanMove)
             {
-                // X
+                /*// X
                 if (Position.X < 0)
                 {
                     MoveX -= Speed;
@@ -88,10 +90,10 @@ namespace client
                 else
                 {
                     MoveY += Speed;
-                }
+                }*/
 
-                Position.X += MoveX;
+                Position.X += MoveX + Speed;
-                Position.Y += MoveY;
+                Position.Y += MoveY + Speed;
 
                 // Collisions
                 if (Position.Y < Radius * 2 && MoveY < 0)

client/Game1.cs

@@ -1,9 +1,10 @@
-using LiteNetLib;
+using System;
+using System.Collections.Generic;
+using LiteNetLib;
 using LiteNetLib.Utils;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
-using System;
+using shared;
-using System.Collections.Generic;
 
 namespace client
 {
@@ -13,6 +14,7 @@ namespace client
         EventBasedNetListener listener = new();
         NetManager client;
         NetPeer server;
+        NetPacketProcessor processor = new();
 
         // Game instances
         private Player pl1;
@@ -57,6 +59,7 @@ namespace client
                 // TODO: Replace by a error message :)
                 Exit();
             }
+            processor.SubscribeReusable<Assignation>(AssignationHandler);
 
             // Window
             Window.Title = "Pong";
@@ -70,7 +73,7 @@ namespace client
                 15,
                 100,
                 100f
-            ).SetControllable(true);
+            );
 
             pl2 = new Player(
                 new Vector2(_graphics.PreferredBackBufferWidth - 30, _graphics.PreferredBackBufferHeight / 2 - 50),
@@ -83,7 +86,7 @@ namespace client
             ball = new Ball(
                 new Vector2(_graphics.PreferredBackBufferWidth / 2 - 5, _graphics.PreferredBackBufferHeight / 2 - 5),
                 10,
-                0.2f
+                1f
             );
 
             // KILLZONE
@@ -143,5 +146,25 @@ namespace client
             _spriteBatch.End();
             base.Draw(gameTime);
         }
+
+        private void AssignationHandler(Assignation assignation)
+        {
+            if (assignation != null)
+            {
+                if (assignation.controller == 0) {
+                    pl1.SetControllable(true);
+                    pl2.SetControllable(false);
+                }
+                else
+                {
+                    pl1.SetControllable(false);
+                    pl2.SetControllable(true);
+                }
+            }
+            else
+            {
+                Console.Error.WriteLine("Packet malformed!");
+            }
+        }
     }
 }

client/KillZone.cs

@@ -50,14 +50,14 @@ namespace client
             {
                 if (ball.Position.X < Position.X + Width && ball.CanMove)
                 {
-                    ball.StopMoving();
+                    //ball.StopMoving();
                 }
             }
             else
             {
                 if (ball.Position.X > Position.X && ball.CanMove)
                 {
-                    ball.StopMoving();
+                    //ball.StopMoving();
                 }
             }
         }

client/client.csproj

@@ -25,6 +25,10 @@
     <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.1.303" />
     <PackageReference Include="MonoGame.UI.Forms" Version="1.0.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.1" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\shared\shared.csproj" />
   </ItemGroup>
   <Target Name="RestoreDotnetTools" BeforeTargets="Restore">
     <Message Text="Restoring dotnet tools" Importance="High" />

server/Program.cs

@@ -1,5 +1,6 @@
 using LiteNetLib;
 using LiteNetLib.Utils;
+using shared;
 
 namespace Server
 {
@@ -7,10 +8,15 @@ namespace Server
     {
         static EventBasedNetListener listener = new();
         static NetManager? server;
+        static NetPacketProcessor processor = new();
+        static NetSerializer serializer = new();
 
         static string? port;
         static string? pswd;
 
+        static string gameState = "Idle"; // Idle || Playing || Paused || Ended
+        static List<NetPeer> players;
+
         public static void Main(string[] args)
         {
             server = new NetManager(listener);
@@ -28,6 +34,8 @@ namespace Server
                 return;
             }
 
+            serializer.Register<Assignation>();
+
 
             listener.ConnectionRequestEvent += request =>
             {
@@ -38,19 +46,33 @@ namespace Server
             listener.PeerConnectedEvent += peer =>
             {
                 Console.WriteLine("Connection accepted for: {0}", peer.EndPoint);
-                /* NetDataWriter writer = new();
+                if (peer != null)
-                writer.Put("Hello client!");
+                {
-                peer.Send(writer, DeliveryMethod.ReliableOrdered); */
+                    players.Add(peer);
+                }
             };
 
             listener.PeerDisconnectedEvent += (peer, infos) =>
             {
                 Console.WriteLine($"{peer.EndPoint} has left.\nError code: {infos.SocketErrorCode}\nReason: {infos.Reason}");
+                players.Remove(peer);
             };
 
             while (!Console.KeyAvailable)
             {
                 server.PollEvents();
+                if (server.GetPeersCount(ConnectionState.Connected) >= 2)
+                {
+                    // Differents game states
+                    if (gameState == "Idle")
+                    {
+                        Assignation packet = new() { controller = 2, ballX = 0, ballY = 0 };
+                        processor.Send(players[0], packet, DeliveryMethod.ReliableOrdered);
+                        processor.Send(players[1], packet, DeliveryMethod.ReliableOrdered);
+                        Console.WriteLine("Assignation sended");
+                        gameState = "Playing";
+                    }
+                }
                 Thread.Sleep(15);
             }
 

server/server.csproj

@@ -12,4 +12,8 @@
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.1" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\shared\shared.csproj" />
+  </ItemGroup>
+
 </Project>

shared/Messages.cs

@@ -0,0 +1,9 @@
+namespace shared
+{
+    public class Assignation
+    {
+        public int controller { get; set; } // 0 || 1
+        public float ballX { get; set; }
+        public float ballY { get; set; }
+    }
+}

shared/shared.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>