Engine.Integration/Engine.Integration.LiteNetLib/Engine.Integration.LiteNetLib.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <RootNamespace>Syntriax.Engine.Systems.Network</RootNamespace>
+    <AssemblyName>Syntriax.Engine.Integration.LiteNetLib</AssemblyName>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="LiteNetLib" Version="1.3.1" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <ProjectReference Include="../../Engine/Engine.csproj" />
+  </ItemGroup>
+
+</Project>

Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibClient.cs

@@ -0,0 +1,85 @@
+using System.Net.Sockets;
+
+using LiteNetLib;
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+using Syntriax.Engine.Core.Debug;
+
+namespace Syntriax.Engine.Systems.Network;
+
+public class LiteNetLibClient : LiteNetLibCommunicatorBase, INetworkCommunicatorClient
+{
+    private readonly NetDataWriter netDataWriter = new();
+
+    private CancellationTokenSource? cancellationTokenSource = null;
+
+    protected override IConnection GetConnection(NetPeer peer) => new LiteNetLibServerConnection(peer);
+
+    public INetworkCommunicatorClient Connect(string address, int port, string? password = null)
+    {
+        if (!UniverseObject.IsInUniverse)
+            throw new($"{nameof(LiteNetLibClient)} must be in an universe to connect");
+
+        password ??= string.Empty;
+
+        // Okay, for some reason sometimes LiteNetLib goes dumb when the server hostname has IPv6 address as well as IPv4
+        // but the client doesn't support IPv6, it still tries to use the v6 unless we explicitly tell the ip to connect to,
+        // which fails to connect... So for the time being I am preferring IPv4 below over IPv6 for clients.
+        // TODO: I think this is something that happens on Linux only? I need to check on Windows as well just to be sure.
+        System.Net.IPAddress[] addresses = System.Net.Dns.GetHostAddresses(address);
+        string connectionAddress = addresses.FirstOrDefault(a => a.AddressFamily == AddressFamily.InterNetwork, addresses[0]).ToString();
+
+        logger?.Log(this, $"Connecting to server at '{address}:{port}' with password '{password}'");
+        logger?.Log(this, $"Resolved address for {address}: {connectionAddress}");
+
+        Manager.Start();
+        Manager.Connect(connectionAddress, port, password);
+
+        return this;
+    }
+
+    public INetworkCommunicatorClient SendToServer<T>(T packet, PacketDelivery packetDelivery) where T : class, new()
+    {
+        netDataWriter.Reset();
+        netPacketProcessor.Write(netDataWriter, packet);
+
+        switch (packetDelivery)
+        {
+            case PacketDelivery.ReliableInOrder: Manager.FirstPeer.Send(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+            case PacketDelivery.UnreliableInOrder: Manager.FirstPeer.Send(netDataWriter, DeliveryMethod.Sequenced); break;
+            case PacketDelivery.ReliableOutOfOrder: Manager.FirstPeer.Send(netDataWriter, DeliveryMethod.ReliableUnordered); break;
+            case PacketDelivery.UnreliableOutOfOrder: Manager.FirstPeer.Send(netDataWriter, DeliveryMethod.Unreliable); break;
+            default: Manager.FirstPeer.Send(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+        }
+
+        return this;
+    }
+
+    protected override void OnEnteredUniverse(IUniverse universe)
+    {
+        base.OnEnteredUniverse(universe);
+
+        cancellationTokenSource = new CancellationTokenSource();
+        PollEvents(cancellationTokenSource.Token);
+    }
+
+    protected override void OnExitedUniverse(IUniverse universe)
+    {
+        base.OnExitedUniverse(universe);
+        cancellationTokenSource?.Cancel();
+    }
+
+    /// <summary>
+    /// Client needs to send everything as soon as possible so 
+    /// the events are polled a separate thread running constantly 
+    /// </summary>
+    private async void PollEvents(CancellationToken cancellationToken) => await Task.Run(() =>
+    {
+        while (true)
+        {
+            Manager.PollEvents();
+            Thread.Sleep(1);
+        }
+    }, cancellationToken);
+}

Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibClientConnection.cs

@@ -0,0 +1,16 @@
+using LiteNetLib;
+
+namespace Syntriax.Engine.Systems.Network;
+
+public record class LiteNetLibClientConnection(NetPeer NetPeer) : IConnection
+{
+    public string Id { get; } = NetPeer.Id.ToString();
+
+    public float Ping => NetPeer.Ping * .001f;
+    public float RoundTrip => NetPeer.RoundTripTime * .001f;
+
+    public int PingMs => NetPeer.Ping;
+    public int RoundTripMs => NetPeer.RoundTripTime;
+
+    public override string ToString() => $"Connection({Id})";
+}

Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibCommunicatorBase.cs

@@ -0,0 +1,185 @@
+using System.Reflection;
+
+using LiteNetLib;
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+using Syntriax.Engine.Core.Debug;
+
+namespace Syntriax.Engine.Systems.Network;
+
+public abstract class LiteNetLibCommunicatorBase : Behaviour, INetworkCommunicator
+{
+    protected readonly NetPacketProcessor netPacketProcessor = new();
+
+    private readonly Dictionary<Type, Event<IConnection, object>> listeners = [];
+    private readonly Dictionary<string, IConnection> _connections = [];
+
+    private readonly Dictionary<int, IConnection> localPeerIdToConnectionDictionary = [];
+
+    protected ILogger? logger = null;
+
+    public IReadOnlyDictionary<string, IConnection> Connections => _connections;
+    public EventBasedNetListener Listener { get; private set; } = null!;
+    public NetManager Manager { get; private set; } = null!;
+
+    public Event<INetworkCommunicator, IConnection> OnConnectionEstablished { get; } = new();
+    public Event<INetworkCommunicator, IConnection> OnConnectionAbolished { get; } = new();
+
+    public INetworkCommunicator Stop()
+    {
+        Manager.Stop();
+        return this;
+    }
+
+    protected override void OnEnteredUniverse(IUniverse universe)
+    {
+        base.OnEnteredUniverse(universe);
+        logger = universe.FindBehaviour<ILogger>();
+    }
+
+    protected override void OnExitedUniverse(IUniverse universe)
+    {
+        base.OnExitedUniverse(universe);
+        logger = null;
+        Stop();
+    }
+
+    protected virtual void OnPacketArrived<T>(T packet, NetPeer peer) where T : INetworkPacket
+    {
+        if (!listeners.TryGetValue(typeof(T), out Event<IConnection, object>? @event))
+            return;
+
+        @event.Invoke(localPeerIdToConnectionDictionary[peer.Id], packet);
+    }
+
+    private void NetworkReceiveEvent(NetPeer peer, NetPacketReader reader, byte channel, DeliveryMethod deliveryMethod)
+    {
+        try { netPacketProcessor.ReadAllPackets(reader, peer); }
+        catch (Exception exception) { logger?.LogException(this, exception, force: true); }
+    }
+
+    protected abstract IConnection GetConnection(NetPeer peer);
+    private void ConnectionEstablished(NetPeer peer)
+    {
+        IConnection connection = GetConnection(peer);
+
+        localPeerIdToConnectionDictionary.Add(peer.Id, connection);
+        _connections.Add(connection.Id, connection);
+
+        logger?.Log(this, $"Connection established with ip '{peer.Address}' and id '{connection.Id}'");
+        OnConnectionEstablished.Invoke(this, connection);
+    }
+
+    private void ConnectionAbolished(NetPeer peer, DisconnectInfo disconnectInfo)
+    {
+        if (!localPeerIdToConnectionDictionary.TryGetValue(peer.Id, out IConnection? connection))
+            return;
+
+        localPeerIdToConnectionDictionary.Remove(peer.Id);
+        _connections.Remove(connection.Id);
+
+        logger?.Log(this, $"Connection abolished with ip '{peer.Address}' and id '{connection.Id}'");
+        OnConnectionAbolished.Invoke(this, connection);
+    }
+
+    private void SetupPackets()
+    {
+        // Find network packets implementing INetworkPacket
+        IEnumerable<Type> packetTypes = AppDomain.CurrentDomain.GetAssemblies().SelectMany(a => a.GetTypes())
+            .Where(t => typeof(INetworkPacket).IsAssignableFrom(t) && !t.IsInterface && !t.IsAbstract && !t.IsGenericType);
+
+        MethodInfo subscribeReusableMethod = typeof(NetPacketProcessor)
+            .GetMethods()
+            .FirstOrDefault(m => m.Name == nameof(NetPacketProcessor.SubscribeReusable) &&
+                m.GetParameters().Length == 1 &&
+                m.GetParameters()[0].ParameterType.GetGenericTypeDefinition() == typeof(Action<,>)
+            )!;
+
+        MethodInfo registerNestedTypeMethod = typeof(NetPacketProcessor)
+            .GetMethods()
+            .FirstOrDefault(m => m.Name == nameof(NetPacketProcessor.RegisterNestedType) &&
+                m.GetParameters().Length == 0
+            )!;
+
+        MethodInfo onPacketArrivedMethod = typeof(LiteNetLibCommunicatorBase)
+            .GetMethod(nameof(OnPacketArrived), BindingFlags.NonPublic | BindingFlags.Instance)!;
+
+        // Register all network packets by calling the methods bellow where T is our found network packet type
+        // NetPacketProcessor.SubscribeReusable<T, NetPeer>(Action<T, NetPeer> onReceive)
+        // NetPacketProcessor.RegisterNestedType<T>()
+        foreach (Type packetType in packetTypes)
+        {
+            if (!packetType.IsClass)
+            {
+                MethodInfo genericRegisterNestedTypeMethod = registerNestedTypeMethod.MakeGenericMethod(packetType);
+                genericRegisterNestedTypeMethod.Invoke(netPacketProcessor, []);
+                continue;
+            }
+
+            MethodInfo genericOnPacketArrivedMethod = onPacketArrivedMethod.MakeGenericMethod(packetType);
+
+            Type delegateType = typeof(Action<,>).MakeGenericType(packetType, typeof(NetPeer));
+            Delegate delegateHandler = Delegate.CreateDelegate(delegateType, this, genericOnPacketArrivedMethod);
+
+            MethodInfo genericSubscribeReusableMethod = subscribeReusableMethod.MakeGenericMethod(packetType, typeof(NetPeer));
+            genericSubscribeReusableMethod.Invoke(netPacketProcessor, [delegateHandler]);
+        }
+    }
+
+    public LiteNetLibCommunicatorBase()
+    {
+        Listener = new EventBasedNetListener();
+        Manager = new NetManager(Listener);
+
+        Listener.NetworkReceiveEvent += NetworkReceiveEvent;
+        Listener.PeerConnectedEvent += ConnectionEstablished;
+        Listener.PeerDisconnectedEvent += ConnectionAbolished;
+
+        SetupEnginePackets();
+        SetupPackets();
+    }
+
+    private void SetupEnginePackets()
+    {
+        // I know, ugly af. I need to find a better way
+        netPacketProcessor.RegisterNestedType(AABBNetPacker.Write, AABBNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(CircleNetPacker.Write, CircleNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(ColorHSVNetPacker.Write, ColorHSVNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(ColorRGBANetPacker.Write, ColorRGBANetPacker.Read);
+        netPacketProcessor.RegisterNestedType(ColorRGBNetPacker.Write, ColorRGBNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Line2DEquationNetPacker.Write, Line2DEquationNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Line2DNetPacker.Write, Line2DNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Projection1DNetPacker.Write, Projection1DNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(QuaternionNetPacker.Write, QuaternionNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Shape2DNetPacker.Write, Shape2DNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(TriangleNetPacker.Write, TriangleNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Vector2DNetPacker.Write, Vector2DNetPacker.Read);
+        netPacketProcessor.RegisterNestedType(Vector3DNetPacker.Write, Vector3DNetPacker.Read);
+    }
+
+    public INetworkCommunicator SubscribeToPackets<T>(Event<IConnection, T>.EventHandler callback)
+    {
+        Type type = typeof(T);
+        if (!listeners.TryGetValue(type, out Event<IConnection, object>? @event))
+        {
+            @event = new();
+            listeners.Add(type, @event);
+        }
+
+        @event.AddListener(EventDelegateWrapper(callback));
+        return this;
+    }
+
+    public INetworkCommunicator UnsubscribeFromPackets<T>(Event<IConnection, T>.EventHandler callback)
+    {
+        Type type = typeof(T);
+        if (!listeners.TryGetValue(type, out Event<IConnection, object>? @event))
+            return this;
+
+        @event.RemoveListener(EventDelegateWrapper(callback));
+        return this;
+    }
+
+    private static Event<IConnection, object>.EventHandler EventDelegateWrapper<T>(Event<IConnection, T>.EventHandler callback) => (sender, @object) => callback.Invoke(sender, (T)@object);
+}

Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibServer.cs

@@ -0,0 +1,102 @@
+using LiteNetLib;
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+using Syntriax.Engine.Core.Debug;
+
+namespace Syntriax.Engine.Systems.Network;
+
+public class LiteNetLibServer : LiteNetLibCommunicatorBase, INetworkCommunicatorServer
+{
+    public string Password { get; private set; } = string.Empty;
+    public int MaxConnectionCount { get; private set; } = 2;
+    public int Port { get; private set; } = 8888;
+
+    private readonly NetDataWriter netDataWriter = new();
+
+    public LiteNetLibServer() : this(8888, 2) { }
+    public LiteNetLibServer(int port, int maxConnectionCount) : base()
+    {
+        MaxConnectionCount = maxConnectionCount;
+        Port = port;
+
+        Listener.ConnectionRequestEvent += OnConnectionRequest;
+    }
+
+    protected override IConnection GetConnection(NetPeer peer) => new LiteNetLibClientConnection(peer);
+
+    private void OnConnectionRequest(ConnectionRequest request)
+    {
+        logger?.Log(this, $"Connection request from ip {request.RemoteEndPoint}");
+        logger?.Log(this, $"Current connection count: {Connections.Count}");
+        if (Manager.ConnectedPeersCount < MaxConnectionCount)
+            request.AcceptIfKey(Password);
+        else
+            request.Reject();
+    }
+
+    public INetworkCommunicatorServer Start(int port, int maxConnectionCount, string? password = null)
+    {
+        if (!UniverseObject.IsInUniverse)
+            throw new($"{nameof(LiteNetLibServer)} must be in an universe to start");
+
+        Password = password ?? string.Empty;
+        MaxConnectionCount = maxConnectionCount;
+        Port = port;
+
+        logger?.Log(this, $"Starting server on port '{port}' with password '{Password}' and max connection count '{maxConnectionCount}'");
+        logger?.Log(this, $"Server status: {(Manager.Start(port) ? "Active" : "Failed")}");
+
+        return this;
+    }
+
+    public INetworkCommunicatorServer SendToClient<T>(IConnection connection, T packet, PacketDelivery packetDelivery) where T : class, new()
+    {
+        netDataWriter.Reset();
+        netPacketProcessor.Write(netDataWriter, packet);
+
+        if (Manager.ConnectedPeerList.FirstOrDefault(p => p.Id.CompareTo(connection.Id) == 0) is not NetPeer netPeer)
+            throw new($"Peer {connection} couldn't be found.");
+
+        switch (packetDelivery)
+        {
+            case PacketDelivery.ReliableInOrder: netPeer.Send(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+            case PacketDelivery.UnreliableInOrder: netPeer.Send(netDataWriter, DeliveryMethod.Sequenced); break;
+            case PacketDelivery.ReliableOutOfOrder: netPeer.Send(netDataWriter, DeliveryMethod.ReliableUnordered); break;
+            case PacketDelivery.UnreliableOutOfOrder: netPeer.Send(netDataWriter, DeliveryMethod.Unreliable); break;
+            default: netPeer.Send(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+        }
+
+        return this;
+    }
+
+    public INetworkCommunicatorServer SendToAll<T>(T packet, PacketDelivery packetDelivery) where T : class, new()
+    {
+        netDataWriter.Reset();
+        netPacketProcessor.Write(netDataWriter, packet);
+
+        switch (packetDelivery)
+        {
+            case PacketDelivery.ReliableInOrder: Manager.SendToAll(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+            case PacketDelivery.UnreliableInOrder: Manager.SendToAll(netDataWriter, DeliveryMethod.Sequenced); break;
+            case PacketDelivery.ReliableOutOfOrder: Manager.SendToAll(netDataWriter, DeliveryMethod.ReliableUnordered); break;
+            case PacketDelivery.UnreliableOutOfOrder: Manager.SendToAll(netDataWriter, DeliveryMethod.Unreliable); break;
+            default: Manager.SendToAll(netDataWriter, DeliveryMethod.ReliableOrdered); break;
+        }
+        return this;
+    }
+
+    private void PollEvents(IUniverse sender, IUniverse.UpdateArguments args) => Manager.PollEvents();
+
+    protected override void OnEnteredUniverse(IUniverse universe)
+    {
+        base.OnEnteredUniverse(universe);
+        universe.OnPostUpdate.AddListener(PollEvents);
+    }
+
+    protected override void OnExitedUniverse(IUniverse universe)
+    {
+        base.OnExitedUniverse(universe);
+        universe.OnPostUpdate.RemoveListener(PollEvents);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibServerConnection.cs

@@ -0,0 +1,16 @@
+using LiteNetLib;
+
+namespace Syntriax.Engine.Systems.Network;
+
+public record class LiteNetLibServerConnection(NetPeer NetPeer) : IConnection
+{
+    public string Id => NetPeer.RemoteId.ToString();
+
+    public float Ping => NetPeer.Ping * .001f;
+    public float RoundTrip => NetPeer.RoundTripTime * .001f;
+
+    public int PingMs => NetPeer.Ping;
+    public int RoundTripMs => NetPeer.RoundTripTime;
+
+    public override string ToString() => $"Connection({Id})";
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/AABBNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class AABBNetPacker
+{
+    internal static void Write(NetDataWriter writer, AABB data)
+    {
+        Vector2DNetPacker.Write(writer, data.LowerBoundary);
+        Vector2DNetPacker.Write(writer, data.UpperBoundary);
+    }
+
+    internal static AABB Read(NetDataReader reader)
+    {
+        Vector2D lowerBoundary = Vector2DNetPacker.Read(reader);
+        Vector2D upperBoundary = Vector2DNetPacker.Read(reader);
+
+        return new AABB(lowerBoundary, upperBoundary);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/CircleNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class CircleNetPacker
+{
+    internal static void Write(NetDataWriter writer, Circle data)
+    {
+        Vector2DNetPacker.Write(writer, data.Center);
+        writer.Put(data.Radius);
+    }
+
+    internal static Circle Read(NetDataReader reader)
+    {
+        Vector2D center = Vector2DNetPacker.Read(reader);
+        float radius = reader.GetFloat();
+
+        return new Circle(center, radius);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/ColorHSVNetPacker.cs

@@ -0,0 +1,24 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class ColorHSVNetPacker
+{
+    internal static void Write(NetDataWriter writer, ColorHSV data)
+    {
+        writer.Put(data.Hue);
+        writer.Put(data.Saturation);
+        writer.Put(data.Value);
+    }
+
+    internal static ColorHSV Read(NetDataReader reader)
+    {
+        float hue = reader.GetFloat();
+        float saturation = reader.GetFloat();
+        float value = reader.GetFloat();
+
+        return new ColorHSV(hue, saturation, value);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/ColorRGBANetPacker.cs

@@ -0,0 +1,26 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class ColorRGBANetPacker
+{
+    internal static void Write(NetDataWriter writer, ColorRGBA data)
+    {
+        writer.Put(data.R);
+        writer.Put(data.G);
+        writer.Put(data.B);
+        writer.Put(data.A);
+    }
+
+    internal static ColorRGBA Read(NetDataReader reader)
+    {
+        byte red = reader.GetByte();
+        byte green = reader.GetByte();
+        byte blue = reader.GetByte();
+        byte alpha = reader.GetByte();
+
+        return new ColorRGBA(red, green, blue, alpha);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/ColorRGBNetPacker.cs

@@ -0,0 +1,24 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class ColorRGBNetPacker
+{
+    internal static void Write(NetDataWriter writer, ColorRGB data)
+    {
+        writer.Put(data.R);
+        writer.Put(data.G);
+        writer.Put(data.B);
+    }
+
+    internal static ColorRGB Read(NetDataReader reader)
+    {
+        byte red = reader.GetByte();
+        byte green = reader.GetByte();
+        byte blue = reader.GetByte();
+
+        return new ColorRGB(red, green, blue);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Line2DEquationNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Line2DEquationNetPacker
+{
+    internal static void Write(NetDataWriter writer, Line2DEquation data)
+    {
+        writer.Put(data.Slope);
+        writer.Put(data.OffsetY);
+    }
+
+    internal static Line2DEquation Read(NetDataReader reader)
+    {
+        float slope = reader.GetFloat();
+        float offsetY = reader.GetFloat();
+
+        return new Line2DEquation(slope, offsetY);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Line2DNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Line2DNetPacker
+{
+    internal static void Write(NetDataWriter writer, Line2D data)
+    {
+        Vector2DNetPacker.Write(writer, data.From);
+        Vector2DNetPacker.Write(writer, data.To);
+    }
+
+    internal static Line2D Read(NetDataReader reader)
+    {
+        Vector2D from = Vector2DNetPacker.Read(reader);
+        Vector2D to = Vector2DNetPacker.Read(reader);
+
+        return new Line2D(from, to);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Projection1DNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Projection1DNetPacker
+{
+    internal static void Write(NetDataWriter writer, Projection1D data)
+    {
+        writer.Put(data.Min);
+        writer.Put(data.Max);
+    }
+
+    internal static Projection1D Read(NetDataReader reader)
+    {
+        float min = reader.GetFloat();
+        float max = reader.GetFloat();
+
+        return new Projection1D(min, max);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/QuaternionNetPacker.cs

@@ -0,0 +1,26 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class QuaternionNetPacker
+{
+    internal static void Write(NetDataWriter writer, Quaternion data)
+    {
+        writer.Put(data.X);
+        writer.Put(data.Y);
+        writer.Put(data.Z);
+        writer.Put(data.W);
+    }
+
+    internal static Quaternion Read(NetDataReader reader)
+    {
+        float x = reader.GetFloat();
+        float y = reader.GetFloat();
+        float z = reader.GetFloat();
+        float w = reader.GetFloat();
+
+        return new Quaternion(x, y, z, w);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Shape2DNetPacker.cs

@@ -0,0 +1,26 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Shape2DNetPacker
+{
+    internal static void Write(NetDataWriter writer, Shape2D data)
+    {
+        writer.Put(data.Vertices.Count);
+        foreach (Vector2D vertex in data.Vertices)
+            Vector2DNetPacker.Write(writer, vertex);
+    }
+
+    internal static Shape2D Read(NetDataReader reader)
+    {
+        int verticesCount = reader.GetInt();
+        List<Vector2D> vertices = new(verticesCount);
+
+        for (int i = 0; i < verticesCount; i++)
+            vertices.Add(Vector2DNetPacker.Read(reader));
+
+        return new Shape2D(vertices);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/TriangleNetPacker.cs

@@ -0,0 +1,24 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class TriangleNetPacker
+{
+    internal static void Write(NetDataWriter writer, Triangle data)
+    {
+        Vector2DNetPacker.Write(writer, data.A);
+        Vector2DNetPacker.Write(writer, data.B);
+        Vector2DNetPacker.Write(writer, data.C);
+    }
+
+    internal static Triangle Read(NetDataReader reader)
+    {
+        Vector2D a = Vector2DNetPacker.Read(reader);
+        Vector2D b = Vector2DNetPacker.Read(reader);
+        Vector2D c = Vector2DNetPacker.Read(reader);
+
+        return new Triangle(a, b, c);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Vector2DNetPacker.cs

@@ -0,0 +1,22 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Vector2DNetPacker
+{
+    internal static void Write(NetDataWriter writer, Vector2D data)
+    {
+        writer.Put(data.X);
+        writer.Put(data.Y);
+    }
+
+    internal static Vector2D Read(NetDataReader reader)
+    {
+        float x = reader.GetFloat();
+        float y = reader.GetFloat();
+
+        return new Vector2D(x, y);
+    }
+}

Engine.Integration/Engine.Integration.LiteNetLib/Packers/Vector3DNetPacker.cs

@@ -0,0 +1,24 @@
+using LiteNetLib.Utils;
+
+using Syntriax.Engine.Core;
+
+namespace Syntriax.Engine.Systems.Network;
+
+internal static class Vector3DNetPacker
+{
+    internal static void Write(NetDataWriter writer, Vector3D data)
+    {
+        writer.Put(data.X);
+        writer.Put(data.Y);
+        writer.Put(data.Z);
+    }
+
+    internal static Vector3D Read(NetDataReader reader)
+    {
+        float x = reader.GetFloat();
+        float y = reader.GetFloat();
+        float z = reader.GetFloat();
+
+        return new Vector3D(x, y, z);
+    }
+}

Engine.sln

@@ -19,7 +19,11 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "YamlDotNet", "Engine.Serial
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Integration", "Integration", "{823D4020-332D-2C13-F261-6F510F11A57E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MonoGame", "Engine.Integration\Engine.Integration.MonoGame\Engine.Integration.MonoGame.csproj", "{C3438D33-0879-44E4-9DF0-D29F5621C44C}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Engine.Integration.MonoGame", "Engine.Integration\Engine.Integration.MonoGame\Engine.Integration.MonoGame.csproj", "{C3438D33-0879-44E4-9DF0-D29F5621C44C}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Engine.Integration", "Engine.Integration", "{3122C4BF-14AF-E0C0-27A2-43B3E062692D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Engine.Integration.LiteNetLib", "Engine.Integration\Engine.Integration.LiteNetLib\Engine.Integration.LiteNetLib.csproj", "{121A7C66-1691-4DA5-B070-A681A83779AC}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -115,6 +119,18 @@ Global
 		{C3438D33-0879-44E4-9DF0-D29F5621C44C}.Release|x64.Build.0 = Release|Any CPU
 		{C3438D33-0879-44E4-9DF0-D29F5621C44C}.Release|x86.ActiveCfg = Release|Any CPU
 		{C3438D33-0879-44E4-9DF0-D29F5621C44C}.Release|x86.Build.0 = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|x64.Build.0 = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Debug|x86.Build.0 = Debug|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|x64.ActiveCfg = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|x64.Build.0 = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|x86.ActiveCfg = Release|Any CPU
+		{121A7C66-1691-4DA5-B070-A681A83779AC}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -123,5 +139,6 @@ Global
 		{E9D1CDC3-5BFF-4C87-AFEB-6CE372709176} = {F88E129A-9A47-4D27-96EE-6EC02F79594B}
 		{3D852C92-BC14-4893-AEF2-50612DAFCD8F} = {F88E129A-9A47-4D27-96EE-6EC02F79594B}
 		{C3438D33-0879-44E4-9DF0-D29F5621C44C} = {823D4020-332D-2C13-F261-6F510F11A57E}
+		{121A7C66-1691-4DA5-B070-A681A83779AC} = {3122C4BF-14AF-E0C0-27A2-43B3E062692D}
 	EndGlobalSection
 EndGlobal