refactor: network entity packets

Shared/Behaviours/PaddleBehaviour.cs

@@ -3,11 +3,12 @@ using System;
 using Microsoft.Xna.Framework.Input;
 
 using Syntriax.Engine.Core;
+using Syntriax.Engine.Network;
 using Syntriax.Engine.Systems.Input;
 
 namespace Pong.Behaviours;
 
-public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Speed) : Behaviour2D
+public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Speed) : Behaviour2D, INetworkEntity
 {
     private Keys Up { get; } = Up;
     private Keys Down { get; } = Down;
@@ -19,6 +20,8 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
     private bool isDownPressed = false;
 
     private IButtonInputs<Keys> inputs = null!;
+    private INetworkCommunicatorClient networkClient = null!;
+    private INetworkCommunicatorServer? networkServer = null;
 
     protected override void OnUpdate()
     {
@@ -26,9 +29,15 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
             return;
 
         if (isUpPressed)
+        {
             Transform.Position = Transform.Position + Vector2D.Up * Universe.Time.DeltaTime * Speed;
+            networkClient.SendToServer(new EntityPaddlePositionPacket(this));
+        }
         else if (isDownPressed)
+        {
             Transform.Position = Transform.Position + -Vector2D.Up * Universe.Time.DeltaTime * Speed;
+            networkClient.SendToServer(new EntityPaddlePositionPacket(this));
+        }
 
         Transform.Position = new Vector2D(Transform.Position.X, MathF.Max(MathF.Min(Transform.Position.Y, High), Low));
     }
@@ -36,7 +45,10 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
     protected override void OnFirstActiveFrame()
     {
         inputs = Universe.FindRequiredBehaviour<IButtonInputs<Keys>>();
-
+        networkClient = Universe.GetRequiredUniverseObject<INetworkCommunicatorClient>();
+        networkServer = Universe.GetRequiredUniverseObject<INetworkCommunicatorServer>();
+        networkClient.SubscribeToPackets<EntityPaddlePositionPacket>(ReceiveDataClient);
+        networkServer.SubscribeToPackets<EntityPaddlePositionPacket>(ReceiveDataServer);
         inputs.RegisterOnPress(Up, OnUpPressed);
         inputs.RegisterOnRelease(Up, OnUpReleased);
 
@@ -57,4 +69,44 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
     private void OnUpReleased(IButtonInputs<Keys> inputs, Keys keys) => isUpPressed = false;
     private void OnDownPressed(IButtonInputs<Keys> inputs, Keys keys) => isDownPressed = true;
     private void OnDownReleased(IButtonInputs<Keys> inputs, Keys keys) => isDownPressed = false;
+
+    public void ReceiveDataClient<T>(T data, string _)
+    {
+        if (data is not EntityPaddlePositionPacket position)
+            return;
+
+        Transform.Position = position.Position;
+    }
+
+    public void ReceiveDataServer<T>(T data, string fromClientId)
+    {
+        if (data is not EntityPaddlePositionPacket position)
+            return;
+
+        Transform.Position = position.Position;
+        networkServer?.SendToClient("*", position);
+    }
+
+    public void ReceiveDataClient<T>(T data)
+    {
+        if (data is not EntityPaddlePositionPacket position)
+            return;
+
+        Transform.Position = position.Position;
+    }
+
+    public class EntityPaddlePositionPacket : IEntityNetworkPacket
+    {
+        public string EntityId = default!;
+        public Vector2D Position = default!;
+
+        string IEntityNetworkPacket.EntityId => EntityId;
+
+        public EntityPaddlePositionPacket() { }
+        public EntityPaddlePositionPacket(PaddleBehaviour paddleBehaviour)
+        {
+            EntityId = paddleBehaviour.Id;
+            Position = paddleBehaviour.Transform.Position;
+        }
+    }
 }