Syntriax/Engine-Pong
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feat: paddle networking

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Syntriax
2025-05-28 22:09:49 +03:00
parent cbda44c2d5
commit 59059fa09d
2 changed files with 34 additions and 31 deletions
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61
Shared/Behaviours/PaddleBehaviour.cs
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@@ -4,12 +4,13 @@ using Microsoft.Xna.Framework.Input;
using Syntriax.Engine.Core;
using Syntriax.Engine.Network;
using Syntriax.Engine.Physics2D;
using Syntriax.Engine.Systems.Input;
using Syntriax.Engine.Systems.Tween;
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, IPostPhysicsUpdate,
IPacketListenerServer<PaddleBehaviour.PaddleKeyStatePacket>, IPacketListenerClient<PaddleBehaviour.PaddleKeyStatePacket>
{
private Keys Up { get; } = Up;
@@ -24,27 +25,21 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
private IButtonInputs<Keys> inputs = null!;
private INetworkCommunicatorClient? networkClient = null!;
private INetworkCommunicatorServer? networkServer = null;
private TweenManager tweenManager = null!;
private IRigidBody2D rigidBody = null!;
private IPhysicsEngine2D physicsEngine2D = null!;
protected override void OnUpdate()
public void PostPhysicsUpdate(float delta)
{
if (isUpPressed && isDownPressed)
return;
if (isUpPressed)
Transform.Position += Vector2D.Up * Universe.Time.DeltaTime * Speed;
else if (isDownPressed)
Transform.Position += -Vector2D.Up * Universe.Time.DeltaTime * Speed;
Transform.Position = new Vector2D(Transform.Position.X, MathF.Max(MathF.Min(Transform.Position.Y, High), Low));
}
protected override void OnFirstActiveFrame()
{
physicsEngine2D = Universe.GetRequiredUniverseObject<IPhysicsEngine2D>();
inputs = Universe.FindRequired<IButtonInputs<Keys>>();
networkClient = Universe.Find<INetworkCommunicatorClient>();
networkServer = Universe.Find<INetworkCommunicatorServer>();
tweenManager = Universe.GetRequiredUniverseObject<TweenManager>();
rigidBody = BehaviourController.GetRequiredBehaviour<IRigidBody2D>();
inputs.RegisterOnPress(Up, OnUpPressed);
inputs.RegisterOnRelease(Up, OnUpReleased);
@@ -62,49 +57,57 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
inputs.UnregisterOnRelease(Down, OnDownReleased);
}
private void OnUpPressed(IButtonInputs<Keys> inputs, Keys keys) { isUpPressed = true; networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnUpReleased(IButtonInputs<Keys> inputs, Keys keys) { isUpPressed = false; networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnDownPressed(IButtonInputs<Keys> inputs, Keys keys) { isDownPressed = true; networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnDownReleased(IButtonInputs<Keys> inputs, Keys keys) { isDownPressed = false; networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnUpPressed(IButtonInputs<Keys> inputs, Keys keys) { isUpPressed = true; UpdateVelocity(); networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnUpReleased(IButtonInputs<Keys> inputs, Keys keys) { isUpPressed = false; UpdateVelocity(); networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnDownPressed(IButtonInputs<Keys> inputs, Keys keys) { isDownPressed = true; UpdateVelocity(); networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void OnDownReleased(IButtonInputs<Keys> inputs, Keys keys) { isDownPressed = false; UpdateVelocity(); networkClient?.SendToServer(new PaddleKeyStatePacket(this)); }
private void UpdateVelocity()
{
if (isUpPressed)
rigidBody.Velocity = Vector2D.Up * Speed;
else if (isDownPressed)
rigidBody.Velocity = -Vector2D.Up * Speed;
else
rigidBody.Velocity = Vector2D.Zero;
}
public void OnServerPacketArrived(PaddleKeyStatePacket packet, string from)
{
if (packet.EntityId.CompareTo(Id) != 0)
return;
packet.Position = Transform.Position;
isUpPressed = packet.IsUpPressed;
isDownPressed = packet.IsDownPressed;
networkServer?.SendToClient("*", packet);
UpdateVelocity();
networkServer?.SendToClient("*", new PaddleKeyStatePacket(this));
}
public void OnClientPacketArrived(PaddleKeyStatePacket packet)
{
isUpPressed = packet.IsUpPressed;
isDownPressed = packet.IsDownPressed;
Transform.Position = packet.Position;
if (!isUpPressed && !isDownPressed)
Transform.Position.TweenVector2D(tweenManager, .05f, packet.Position, x => Transform.Position = x);
else
Transform.Position = packet.Position;
UpdateVelocity();
physicsEngine2D.StepIndividual(rigidBody, new DateTime(DateTime.UtcNow.Ticks - packet.Timestamp).Second);
}
public class PaddleKeyStatePacket : IEntityNetworkPacket
{
public string EntityId { get; set; } = default!;
public Vector2D Position { get; set; } = default!;
public bool IsUpPressed { get; set; } = default!;
public bool IsDownPressed { get; set; } = default!;
public Vector2D Position { get; set; } = default!;
public long TimeTicker { get; set; } = default!;
public long Timestamp { get; set; } = 0;
public PaddleKeyStatePacket() { }
public PaddleKeyStatePacket(PaddleBehaviour paddleBehaviour)
{
EntityId = paddleBehaviour.Id;
Position = paddleBehaviour.Transform.Position;
IsUpPressed = paddleBehaviour.isUpPressed;
IsDownPressed = paddleBehaviour.isDownPressed;
Position = paddleBehaviour.Transform.Position;
TimeTicker = DateTime.UtcNow.Ticks;
Timestamp = DateTime.UtcNow.Ticks;
}
}
}

4
Shared/GamePong.cs
View File

@@ -111,7 +111,7 @@ public class GamePong : Game
IUniverseObject leftPaddle = UniverseObjectFactory.Instantiate().SetUniverseObject("Left Paddle");
leftPaddle.BehaviourController.AddBehaviour<Transform2D>().SetTransform(position: new Vector2D(-468f, 0f), scale: new Vector2D(15f, 60f))
.BehaviourController.AddBehaviour<ShapeBehaviour>(Shape2D.Square)
.BehaviourController.AddBehaviour<RigidBody2D>().IsStatic = true;
.BehaviourController.AddBehaviour<RigidBody2D>();
PaddleBehaviour leftPaddleBehaviour = BehaviourFactory.Instantiate<PaddleBehaviour>(Keys.W, Keys.S, 228f, -228f, 400f);
leftPaddleBehaviour.Id = "lp";
leftPaddle.BehaviourController.AddBehaviour(leftPaddleBehaviour);
@@ -120,7 +120,7 @@ public class GamePong : Game
IUniverseObject rightPaddle = UniverseObjectFactory.Instantiate().SetUniverseObject("Right Paddle");
rightPaddle.BehaviourController.AddBehaviour<Transform2D>().SetTransform(position: new Vector2D(468f, 0f), scale: new Vector2D(15f, 60f))
.BehaviourController.AddBehaviour<ShapeBehaviour>(Shape2D.Square)
.BehaviourController.AddBehaviour<RigidBody2D>().IsStatic = true;
.BehaviourController.AddBehaviour<RigidBody2D>();
PaddleBehaviour rightPaddleBehaviour = BehaviourFactory.Instantiate<PaddleBehaviour>(Keys.Up, Keys.Down, 228f, -228f, 400f);
rightPaddleBehaviour.Id = "rp";
rightPaddle.BehaviourController.AddBehaviour(rightPaddleBehaviour);