Syntriax/Engine-Pong
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feat: ball networking

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Syntriax 2025-05-28 17:18:15 +03:00
parent f20aabcacf
commit cbda44c2d5
3 changed files with 60 additions and 14 deletions
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2
Engine

@ -1 +1 @@
Subproject commit 8f8558a262a20d584afd38369b02c4c50d86b20f
Subproject commit feb2a05aa3e0683b62f7a306ab73df0def060dda

57
Shared/Behaviours/BallBehaviour.cs
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@ -1,49 +1,84 @@
using Syntriax.Engine.Core;
using Syntriax.Engine.Network;
using Syntriax.Engine.Physics2D;
using Syntriax.Engine.Systems.Tween;
namespace Pong.Behaviours;
public class BallBehaviour : Behaviour2D
public class BallBehaviour : Behaviour2D, IPhysicsUpdate, INetworkEntity,
IPacketListenerClient<BallBehaviour.BallUpdatePacket>
{
public float Speed { get; set; } = 500f;
public float SpeedUpMultiplier { get; set; } = .0125f;
public IRigidBody2D rigidBody = null!;
public IRigidBody2D RigidBody { get; private set; } = null!;
private IPhysicsEngine2D physicsEngine2D = null!;
private ITweenManager tweenManager = null!;
private INetworkCommunicatorServer? networkServer = null;
protected override void OnFirstActiveFrame()
{
BehaviourController.GetRequiredBehaviour<ICollider2D>().OnCollisionDetected += OnCollisionDetected;
rigidBody = BehaviourController.GetRequiredBehaviour<IRigidBody2D>();
physicsEngine2D = Universe.GetRequiredUniverseObject<IPhysicsEngine2D>();
tweenManager = Universe.GetRequiredUniverseObject<ITweenManager>();
RigidBody = BehaviourController.GetRequiredBehaviour<IRigidBody2D>();
networkServer = Universe.Find<INetworkCommunicatorServer>();
}
public void LaunchBall(Vector2D launchDirection)
{
rigidBody.Velocity = launchDirection * Speed;
ResetBall();
RigidBody.Velocity = launchDirection * Speed;
networkServer?.SendToClient("*", new BallUpdatePacket(this));
}
public void ResetBall()
{
Transform.Position = Vector2D.Zero;
rigidBody.Velocity = Vector2D.Zero;
RigidBody.Velocity = Vector2D.Zero;
}
protected override void OnUpdate()
public void PhysicsUpdate(float delta)
{
if (rigidBody.Velocity.MagnitudeSquared <= 0.01f)
if (RigidBody.Velocity.MagnitudeSquared <= 0.01f)
return;
Vector2D speedUp = rigidBody.Velocity.Normalized * Universe.Time.DeltaTime;
rigidBody.Velocity += speedUp * SpeedUpMultiplier;
Vector2D direction = RigidBody.Velocity.Normalized;
RigidBody.Velocity += direction * delta * SpeedUpMultiplier;
}
private void OnCollisionDetected(ICollider2D collider2D, CollisionDetectionInformation information)
{
if (Math.Abs(information.Normal.Dot(Vector2D.Right)) > .25)
rigidBody.Velocity = information.Detected.Transform.Position.FromTo(information.Detector.Transform.Position).Normalized * rigidBody.Velocity.Magnitude;
RigidBody.Velocity = information.Detected.Transform.Position.FromTo(information.Detector.Transform.Position).Normalized * RigidBody.Velocity.Magnitude;
else
rigidBody.Velocity = rigidBody.Velocity.Reflect(information.Normal);
RigidBody.Velocity = RigidBody.Velocity.Reflect(information.Normal);
networkServer?.SendToClient("*", new BallUpdatePacket(this));
}
public BallBehaviour() { }
public BallBehaviour(float speed) => Speed = speed;
void IPacketListenerClient<BallUpdatePacket>.OnClientPacketArrived(BallUpdatePacket packet)
{
Transform.TweenPositionAdditive(tweenManager, .25f, Transform.Position.FromTo(packet.Position));
RigidBody.Velocity = packet.Velocity;
physicsEngine2D.StepIndividual(RigidBody, new System.DateTime(System.DateTime.UtcNow.Ticks - packet.Timestamp).Second);
}
private class BallUpdatePacket : INetworkPacket
{
public Vector2D Position { get; set; } = Vector2D.Zero;
public Vector2D Velocity { get; set; } = Vector2D.Zero;
public long Timestamp { get; set; } = 0;
public BallUpdatePacket() { }
public BallUpdatePacket(BallBehaviour ballBehaviour)
{
Position = ballBehaviour.Transform.Position;
Velocity = ballBehaviour.RigidBody.Velocity;
Timestamp = System.DateTime.UtcNow.Ticks;
}
}
}

15
Shared/Behaviours/PongManagerBehaviour.cs
View File

@ -8,7 +8,8 @@ using Syntriax.Engine.Systems.Input;
namespace Pong.Behaviours;
public class PongManagerBehaviour : Behaviour
public class PongManagerBehaviour : Behaviour, INetworkEntity,
IPacketListenerServer<PongManagerBehaviour.RequestStartPacket>
{
public Action<PongManagerBehaviour>? OnReset { get; set; } = null;
public Action<PongManagerBehaviour>? OnFinished { get; set; } = null;
@ -32,7 +33,7 @@ public class PongManagerBehaviour : Behaviour
protected override void OnFirstActiveFrame()
{
IButtonInputs<Keys> buttonInputs = Universe.FindRequired<IButtonInputs<Keys>>();
buttonInputs.RegisterOnRelease(Keys.Space, (_, _1) => Reset());
buttonInputs.RegisterOnRelease(Keys.Space, (_, _1) => networkClient?.SendToServer(new RequestStartPacket()));
ball = Universe.FindRequiredBehaviour<BallBehaviour>();
networkClient = Universe.Find<INetworkCommunicatorClient>();
@ -87,4 +88,14 @@ public class PongManagerBehaviour : Behaviour
bool isBackwards = (random.Next() % 2) == 1;
return Vector2D.Right.Rotate(isBackwards ? rotation + Syntriax.Engine.Core.Math.PI : rotation);
}
void IPacketListenerServer<RequestStartPacket>.OnServerPacketArrived(RequestStartPacket packet, string from)
{
if (ball.RigidBody.Velocity.MagnitudeSquared > 0.01f)
return;
ball.LaunchBall(GetBallLaunchDirection());
}
private class RequestStartPacket : INetworkPacket;
}