🐛 scene entities not execute buffered events

Fix/payload

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           tag_name: ${{ github.ref }}
-          release_name: Ragon.SimpleServer-${{ github.ref }}
+          release_name: Ragon.Relay-${{ github.ref }}
           prerelease: true
 
   build:
@@ -49,14 +49,14 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 7.0.x
       - name: Build
         shell: bash
         run: |
-          release_name="Ragon.SimpleServer-${{ env.TAG }}-${{ matrix.target }}"
+          release_name="Ragon.Relay-${{ env.TAG }}-${{ matrix.target }}"
           
           # Build everything
-          dotnet publish Ragon.SimpleServer/Ragon.SimpleServer.csproj -c Release --runtime "${{ matrix.target }}" -p:PublishSingleFile=true -o "$release_name"
+          dotnet publish Ragon.Relay/Ragon.Relay.csproj -c Release --runtime "${{ matrix.target }}" -p:PublishSingleFile=true -o "$release_name"
           
           # Pack files        
           7z a -tzip "${release_name}.zip" "./${release_name}/*"
@@ -69,6 +69,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ needs.release.outputs.upload_url }}
-          asset_path: Ragon.SimpleServer-${{ env.TAG }}-${{ matrix.target }}.zip
+          asset_path: Ragon.Relay-${{ env.TAG }}-${{ matrix.target }}.zip
-          asset_name: Ragon.SimpleServer-${{ env.TAG }}-${{ matrix.target }}.zip
+          asset_name: Ragon.Relay-${{ env.TAG }}-${{ matrix.target }}.zip
           asset_content_type: application/zip

.gitignore

@@ -3,4 +3,6 @@
 .vs
 obj
 bin
-*.user
+*.user
+*.dylib
+*.dll

LICENSE.md

@@ -0,0 +1,202 @@
+                                 Apache License
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+      defend, and hold each Contributor harmless for any liability
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+	 

README.md

@@ -6,20 +6,18 @@
 
 Ragon is fully free, small and high perfomance room based game server with plugin based architecture.
 
-<a href="https://ragon-server.com/docs/category/basics">Documentation</a>
+  <a href="https://www.ragon-server.com/docs/overview">Documentation</a>
-<br>
-<a href="https://ragon-server.com/docs/get-started">Get started</a>
 
 ### Features:
 - Effective
 - Free
-- Simple matchmaking
+- Lobby
 - Room based architecture
 - Сustomizable authorization
-- Сustomizable server-side logic via plugins with flexible API
+- Сustomizable server-side logic via plugins with flexible API*(2)
-- No CCU limitations*
+- No CCU limitations*(1)
 - No Room count limitations
-- Reliable UDP 
+- Reliable UDP
 
 ### Requirements
 - OSX, Windows, Linux(Ubuntu, Debian)
@@ -27,10 +25,7 @@ Ragon is fully free, small and high perfomance room based game server with plugi
 
 ### Dependencies
 * ENet-Sharp [v2.4.8]
-* NetStack [latest]
-
-### License
-MIT
 
 ### Tips
-\* Limited to 4095 CCU by library ENet-Sharp
+\* Limited to 4095 CCU by library ENet-Sharp (1)
+\* Non finally (2)

Ragon.Client.Property/Ragon.Client.Property.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Ragon.Client\Ragon.Client.csproj" />
+    </ItemGroup>
+
+</Project>

Ragon.Client.Property/Sources/RagonBool.cs

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Simulation
+{
+  [Serializable]
+  public class RagonBool : RagonProperty
+  {
+    public bool Value
+    {
+      get => _value;
+      set
+      {
+        _value = value;
+        
+        MarkAsChanged();
+      }
+    }
+
+    private bool _value;
+
+    public RagonBool(
+      bool initialValue,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      SetFixedSize(1);
+    }
+
+    public override void Serialize(RagonBuffer buffer)
+    {
+      buffer.WriteBool(_value);
+    }
+
+    public override void Deserialize(RagonBuffer buffer)
+    {
+      _value = buffer.ReadBool();
+
+      InvokeChanged();
+    }
+  }
+}

Ragon.Client.Property/Sources/RagonFloat.cs

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  [Serializable]
+  public class RagonFloat : RagonProperty
+  {
+    public float Value
+    {
+      get => _value;
+      set
+      {
+        _value = value;
+
+        if (_value < _min)
+          _value = _min;
+        else if (_value > _max)
+          _value = _max;
+
+        MarkAsChanged();
+      }
+    }
+
+    private float _value;
+    private float _min;
+    private float _max;
+    private int _requiredBits;
+    private float _precision;
+    private uint _mask;
+
+    public RagonFloat(
+      float initialValue,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      _min = -1024.0f;
+      _max = 1024.0f;
+      _precision = 0.01f;
+
+      _requiredBits = DeBruijn.Log2((uint)((_max - _min) * (1.0f / _precision) + 0.5f)) + 1;
+      _mask = (uint)((1L << _requiredBits) - 1);
+
+      SetFixedSize(_requiredBits);
+    }
+
+    public RagonFloat(
+      float initialValue,
+      float min = -1024.0f,
+      float max = 1024.0f,
+      float precision = 0.01f,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      _min = min;
+      _max = max;
+      _precision = precision;
+
+      _requiredBits = DeBruijn.Log2((uint)((_max - _min) * (1.0f / _precision) + 0.5f)) + 1;
+      _mask = (uint)((1L << _requiredBits) - 1);
+
+      SetFixedSize(_requiredBits);
+    }
+
+    public override void Serialize(RagonBuffer buffer)
+    {
+      var compressedValue = (uint)((_value - _min) * (1f / _precision) + 0.5f) & _mask;
+      buffer.Write(compressedValue, _requiredBits);
+    }
+
+    public override void Deserialize(RagonBuffer buffer)
+    {
+      var compressedValue = buffer.Read(_requiredBits);
+      _value = compressedValue * _precision + _min;
+
+      if (_value < _min)
+        _value = _min;
+      else if (_value > _max)
+        _value = _max;
+      
+      InvokeChanged();
+    }
+  }
+}

Ragon.Client.Property/Sources/RagonInt.cs

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Simulation
+{
+  [Serializable]
+  public class RagonInt : RagonProperty
+  {
+    public int Value
+    {
+      get => _value;
+      set
+      {
+        _value = value;
+        MarkAsChanged();
+      }
+    }
+
+    private int _min;
+    private int _max;
+    private int _requiredBits;
+    private int _value;
+
+    public RagonInt(
+      int initialValue,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      _min = -1000;
+      _max = 1000;
+
+      _max = Math.Max(Math.Abs(_min), Math.Abs(_max));
+      _requiredBits = Bits.Compute(_max);
+
+      SetFixedSize(_requiredBits);
+    }
+
+    public RagonInt(
+      int initialValue,
+      int min = -1000,
+      int max = 1000,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      _min = min;
+      _max = max;
+
+      _requiredBits = Bits.Compute(_max);
+
+      SetFixedSize(_requiredBits);
+    }
+
+    public override void Serialize(RagonBuffer buffer)
+    {
+      uint compressedValue = (uint)((_value << 1) ^ (_value >> 31));
+      buffer.Write(compressedValue, _requiredBits);
+    }
+
+    public override void Deserialize(RagonBuffer buffer)
+    {
+      var compressedValue = buffer.Read(_requiredBits);
+      _value = (int)((compressedValue >> 1) ^ -(int)(compressedValue & 1));
+
+      InvokeChanged();
+    }
+  }
+}

Ragon.Client.Property/Sources/RagonString.cs

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using System.Text;
+using Ragon.Protocol;
+
+namespace Ragon.Client.Simulation
+{
+  [Serializable]
+  public class RagonString : RagonProperty
+  {
+    public string Value
+    {
+      get => _value;
+      set
+      {
+        _value = value;
+        
+        MarkAsChanged();
+      }
+    }
+
+    private string _value;
+    private readonly UTF8Encoding _utf8Encoding = new UTF8Encoding(false, true);
+    
+    public RagonString(
+      string initialValue,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+    }
+
+    public override void Serialize(RagonBuffer buffer)
+    {
+      var data = _utf8Encoding.GetBytes(_value);
+      var len = (uint) data.Length;
+      
+      buffer.Write(len, 16);
+      buffer.WriteBytes(data);
+    }
+
+    public override void Deserialize(RagonBuffer buffer)
+    {
+      var len = (int) buffer.Read(16);
+      var data = buffer.ReadBytes(len);
+      
+      _value = _utf8Encoding.GetString(data);
+      
+      InvokeChanged();
+    }
+  }
+}

Ragon.Client.Simulation/Program.cs

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Client.Simulation;
+
+var simulation = new Simulation();
+simulation.Start();

Ragon.Client.Simulation/Ragon.Client.Simulation.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Ragon.Client.Property\Ragon.Client.Property.csproj" />
+      <ProjectReference Include="..\Ragon.Client\Ragon.Client.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="ENet-CSharp" Version="2.4.8" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <None Update="libenet.dylib">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
+
+</Project>

Ragon.Client.Simulation/Sources/Game.cs

@@ -0,0 +1,116 @@
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Simulation;
+
+public class Game : IRagonListener, IRagonSceneRequestListener
+{
+    private RagonFloat _health;
+    private RagonInt _points;
+    private RagonString _name;
+    private RagonEntity _entity;
+    private RagonClient _client;
+
+    public Game(RagonClient client)
+    {
+        _client = client;
+    }
+
+    public void OnConnected(RagonClient client)
+    {
+        RagonLog.Trace("Connected");
+        _client.Session.AuthorizeWithKey("defaultkey", "Player Eduard");
+    }
+
+    public void OnAuthorizationSuccess(RagonClient client, string playerId, string playerName)
+    {
+        RagonLog.Trace("Authorized");
+        client.Session.CreateOrJoin("Example", 1, 20);
+    }
+
+    public void OnAuthorizationFailed(RagonClient client, string message)
+    {
+        Console.WriteLine($"Authorization failed: {message}");
+    }
+
+    public void OnJoined(RagonClient client)
+    {
+        
+    }
+
+    public void OnFailed(RagonClient client, string message)
+    {
+        RagonLog.Trace("Failed to join");
+    }
+
+    public void OnLeft(RagonClient client)
+    {
+        RagonLog.Trace("Left");
+    }
+
+    public void OnDisconnected(RagonClient client, RagonDisconnect ragonDisconnect)
+    {
+        RagonLog.Trace("Disconnected");
+    }
+
+    public void OnPlayerJoined(RagonClient client, RagonPlayer player)
+    {
+        RagonLog.Trace("Player joined");
+    }
+
+    public void OnPlayerLeft(RagonClient client, RagonPlayer player)
+    {
+        RagonLog.Trace("Player left");
+    }
+
+    public void OnOwnershipChanged(RagonClient client, RagonPlayer player)
+    {
+        RagonLog.Trace("Owner ship changed");
+    }
+
+    public void OnSceneLoaded(RagonClient client)
+    {
+        RagonLog.Trace("Joined");
+
+        _health = new RagonFloat(100.0f, false, 0);
+        _health.Changed += () => Console.WriteLine($"[Ragon Property] Health: {_health.Value}");
+
+        _points = new RagonInt(0, -1000, 1000, false, 0);
+        _points.Changed += () => Console.WriteLine($"[Ragon Property] Points: {_points.Value}");
+
+        _name = new RagonString("Edmand 000", false);
+        _name.Changed += () => Console.WriteLine($"[Ragon Property] Name: {_name.Value}");
+
+        _entity = new RagonEntity(12, 0);
+        _entity.State.AddProperty(_health);
+        _entity.State.AddProperty(_points);
+        _entity.State.AddProperty(_name);
+
+        client.Room.CreateEntity(_entity);
+    }
+
+    private float _timer = 0;
+
+    public void Update()
+    {
+        if (_client.Status != RagonStatus.ROOM)
+            return;
+
+        _timer += 1 / 60.0f;
+        if (_timer > 1)
+        {
+            _health.Value += 20.0f;
+            _points.Value += 10;
+            _name.Value = $"Edmand 00{_client.Room.Local.PeerId}";
+            Console.WriteLine($"{_health.Value} {_points.Value} {_name.Value}");
+            _timer = 0;
+        }
+    }
+
+    public void OnRequestScene(RagonClient client, string sceneName)
+    {
+        client.Room.SceneLoaded();
+        
+    }
+}

Ragon.Client.Simulation/Sources/IO/RagonENetConnection.cs

@@ -0,0 +1,131 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using ENet;
+using Ragon.Protocol;
+using Event = ENet.Event;
+using EventType = ENet.EventType;
+
+namespace Ragon.Client
+{
+  public class RagonENetConnection : INetworkConnection
+  {
+    public ushort Id { get; }
+    
+    public NetworkStatistics Statistics { get; private set; }
+    public INetworkChannel Reliable { get; private set; }
+    public INetworkChannel Unreliable { get; private set; }
+    
+    public Action<byte[]> OnData { get; set; }
+    public Action OnConnected { get; set; }
+    public Action<RagonDisconnect> OnDisconnected { get; set; }
+    public ulong BytesSent { get; }
+    public ulong BytesReceived { get; }
+    public int Ping { get; }
+
+    private static bool _libraryLoaded = false;
+    private Host _host;
+    private Peer _peer;
+    private Event _netEvent;
+    
+    public RagonENetConnection()
+    {
+      _host = new Host();
+      _host.Create();
+    }
+
+
+    public void Prepare()
+    {
+      if (!_libraryLoaded)
+      {
+        Library.Initialize();
+        _libraryLoaded = true;
+      }
+    }
+
+    public void Disconnect()
+    {
+      if (_peer.IsSet)
+        _peer.DisconnectNow(0);
+    }
+
+    public void Connect(string server, ushort port, uint protocol)
+    {
+      Address address = new Address();
+      address.SetHost(server);
+      address.Port = port;
+
+      _peer = _host.Connect(address, 2, protocol);
+      _peer.Timeout(32, 5000, 5000);
+    }
+
+    public void Update()
+    {
+      bool polled = false;
+      while (!polled)
+      {
+        if (_host.CheckEvents(out _netEvent) <= 0)
+        {
+          if (_host.Service(0, out _netEvent) <= 0)
+            break;
+
+          polled = true;
+        }
+
+        switch (_netEvent.Type)
+        {
+          case EventType.None:
+            break;
+          case EventType.Connect:
+            Statistics = new NetworkStatistics();
+            Reliable = new ENetReliableChannel(_netEvent.Peer, 0);
+            Unreliable = new ENetUnreliableChannel(_netEvent.Peer, 1);
+            
+            OnConnected?.Invoke();
+            break;
+          case EventType.Disconnect:
+            OnDisconnected?.Invoke(RagonDisconnect.SERVER);
+            break;
+          case EventType.Timeout:
+            OnDisconnected?.Invoke(RagonDisconnect.TIMEOUT);
+            break;
+          case EventType.Receive:
+            var data = new byte[_netEvent.Packet.Length];
+
+            _netEvent.Packet.CopyTo(data);
+            _netEvent.Packet.Dispose();
+
+            OnData?.Invoke(data);
+            break;
+        }
+      }
+    }
+
+    public void Dispose()
+    {
+      if (_host.IsSet)
+      {
+        _host?.Flush();
+        _host?.Dispose();
+      }
+
+      if (_libraryLoaded)
+        Library.Deinitialize();
+    }
+  }
+}

Ragon.Client.Simulation/Sources/IO/RagonENetReliableChannel.cs

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using ENet;
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public sealed class ENetReliableChannel : INetworkChannel
+{
+  private Peer _peer;
+  private byte _channelId;
+
+  public ENetReliableChannel(Peer peer, int channelId)
+  {
+    _peer = peer;
+    _channelId = (byte) channelId;
+  }
+
+  public void Send(byte[] data)
+  {
+    var newPacket = new Packet();
+    newPacket.Create(data, data.Length, PacketFlags.Reliable);
+    
+    _peer.Send(_channelId, ref newPacket);
+  }
+}

Ragon.Client.Simulation/Sources/IO/RagonENetUnreliableChannel.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using ENet;
+
+namespace Ragon.Client;
+
+public sealed class ENetUnreliableChannel : INetworkChannel
+{
+  private Peer _peer;
+  private byte _channelId;
+
+  public ENetUnreliableChannel(Peer peer, int channelId)
+  {
+    _peer = peer;
+    _channelId = (byte) channelId;
+  }
+
+  public void Send(byte[] data)
+  {
+    var newPacket = new Packet();
+    newPacket.Create(data, data.Length, PacketFlags.None);
+    
+    _peer.Send(_channelId, ref newPacket);
+  }
+}

Ragon.Client.Simulation/Sources/IO/RagonNullConnection.cs

@@ -0,0 +1,132 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using ENet;
+using Ragon.Protocol;
+using Event = ENet.Event;
+using EventType = ENet.EventType;
+
+namespace Ragon.Client
+{
+  public class RagonNullConnection : INetworkConnection
+  {
+    public ushort Id { get; }
+    
+    public NetworkStatistics Statistics { get; private set; }
+    public INetworkChannel Reliable { get; private set; }
+    public INetworkChannel Unreliable { get; private set; }
+    
+    public Action<byte[]> OnData { get; set; }
+    public Action OnConnected { get; set; }
+    public Action<RagonDisconnect> OnDisconnected { get; set; }
+    public ulong BytesSent { get; }
+    public ulong BytesReceived { get; }
+    public int Ping { get; }
+
+    private static bool _libraryLoaded = false;
+    private Host _host;
+    private Peer _peer;
+    private Event _netEvent;
+    
+    public RagonNullConnection()
+    {
+      _host = new Host();
+      _host.Create();
+    }
+
+
+    public void Prepare()
+    {
+      if (!_libraryLoaded)
+      {
+        Library.Initialize();
+        _libraryLoaded = true;
+      }
+    }
+
+    public void Disconnect()
+    {
+      if (_peer.IsSet)
+        _peer.DisconnectNow(0);
+    }
+
+    public void Connect(string server, ushort port, uint protocol)
+    {
+      Address address = new Address();
+      address.SetHost(server);
+      address.Port = port;
+
+      _peer = _host.Connect(address, 2, protocol);
+      _peer.Timeout(32, 5000, 5000);
+      
+      Statistics = new NetworkStatistics();
+      Reliable = new NullReliableChannel(_netEvent.Peer, 0);
+      Unreliable = new NullUnreliableChannel(_netEvent.Peer, 1);
+    }
+
+    public void Update()
+    {
+      bool polled = false;
+      while (!polled)
+      {
+        if (_host.CheckEvents(out _netEvent) <= 0)
+        {
+          if (_host.Service(0, out _netEvent) <= 0)
+            break;
+
+          polled = true;
+        }
+
+        switch (_netEvent.Type)
+        {
+          case EventType.None:
+            break;
+          case EventType.Connect:
+
+            OnConnected?.Invoke();
+            break;
+          case EventType.Disconnect:
+            OnDisconnected?.Invoke(RagonDisconnect.SERVER);
+            break;
+          case EventType.Timeout:
+            OnDisconnected?.Invoke(RagonDisconnect.TIMEOUT);
+            break;
+          case EventType.Receive:
+            var data = new byte[_netEvent.Packet.Length];
+
+            _netEvent.Packet.CopyTo(data);
+            _netEvent.Packet.Dispose();
+
+            OnData?.Invoke(data);
+            break;
+        }
+      }
+    }
+
+    public void Dispose()
+    {
+      if (_host.IsSet)
+      {
+        _host?.Flush();
+        _host?.Dispose();
+      }
+
+      if (_libraryLoaded)
+        Library.Deinitialize();
+    }
+  }
+}

Ragon.Client.Simulation/Sources/IO/RagonNullReliableChannel.cs

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using ENet;
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public sealed class NullReliableChannel : INetworkChannel
+{
+  private Peer _peer;
+  private byte _channelId;
+
+  public NullReliableChannel(Peer peer, int channelId)
+  {
+    _peer = peer;
+    _channelId = (byte) channelId;
+  }
+
+  public void Send(byte[] data)
+  {
+  
+  }
+}

Ragon.Client.Simulation/Sources/IO/RagonNullUnreliableChannel.cs

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using ENet;
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public sealed class NullUnreliableChannel : INetworkChannel
+{
+  private Peer _peer;
+  private byte _channelId;
+
+  public NullUnreliableChannel(Peer peer, int channelId)
+  {
+    _peer = peer;
+    _channelId = (byte) channelId;
+  }
+
+  public void Send(byte[] data)
+  {
+   
+  }
+}

Ragon.Client.Simulation/Sources/Player/PlayerPayload.cs

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Simulation.Sources;
+
+public class PlayerPayload : IRagonPayload
+{
+  public uint Name { get; set; }
+
+  public void Serialize(RagonBuffer buffer)
+  {
+    buffer.Write(Name, 16);
+  }
+
+  public void Deserialize(RagonBuffer buffer)
+  {
+    Name = buffer.Read(16);
+  }
+}

Ragon.Client.Simulation/Sources/Simulation.cs

@@ -0,0 +1,42 @@
+namespace Ragon.Client.Simulation;
+
+public class EntityListener : IRagonEntityListener
+{
+  public void OnEntityCreated(RagonEntity entity)
+  {
+    var health = new RagonFloat(100.0f, false, 0);
+    health.Value = 50;
+    health.Changed += () => Console.WriteLine($"[Ragon Property] Another Health: {health.Value}");
+
+    var points = new RagonInt(0, -1000, 1000, false, 0);
+    points.Changed += () => Console.WriteLine($"[Ragon Property] Anther Points: {points.Value}");
+
+    var name = new RagonString("Eduard", false);
+    name.Changed += () => Console.WriteLine($"[Ragon Property] Another Name: {name.Value}");
+
+    entity.State.AddProperty(health);
+    entity.State.AddProperty(points);
+    entity.State.AddProperty(name);
+  }
+}
+
+public class Simulation
+{
+  public void Start()
+  {
+    // INetworkConnection protocol = debug ? new RagonNullConnection() : new RagonENetConnection();
+    // var network = new RagonClient(protocol, new EntityListener(), 30);
+    // var game = new Game(network);
+    // network.AddListener(game);
+    // network.Connect("127.0.0.1", 5001, "1.0.0");
+    //   var dt = 1000 / 60.0f;
+    //   while (true)
+    //   {
+    //     game.Update();
+    //     network.Update(dt);
+    //     Thread.Sleep((int) dt);
+    //   }
+    //   
+    //   network.Disconnect();
+  }
+}

Ragon.Client/Ragon.Client.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <LangVersion>10</LangVersion>
+        <RootNamespace>Ragon.Client.Simulation</RootNamespace>
+        <Authors>Eduard Kargin (Edmand46)</Authors>
+        <TargetFramework>netstandard2.0</TargetFramework>
+    </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+      <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+      <DebugType>none</DebugType>
+      <OutputPath>/Users/edmand46/RagonProjects/ragon-oss-examples/Assets/Ragon/Plugins/</OutputPath>
+    </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+      <OutputPath>/Users/edmand46/RagonProjects/ragon-oss-examples/Assets/Ragon/Plugins/</OutputPath>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Ragon.Protocol\Ragon.Protocol.csproj" />
+    </ItemGroup>
+
+</Project>

Ragon.Client/Sources/Compressor/FloatCompressor.cs

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Compressor;
+
+public class FloatCompressor
+{
+  public float Min { get; private set; }
+  public float Max { get; private set; }
+  public float Precision { get; private set; }
+  public int RequiredBits { get; private set; }
+  
+  private uint _mask;
+
+  public FloatCompressor(float min = -1024.0f, float max = 1024.0f, float precision = 0.01f)
+  {
+    Min = min;
+    Max = max;
+    Precision = precision;
+    RequiredBits = DeBruijn.Log2((uint)((Max - Min) * (1f / Precision) + 0.5f)) + 1;
+    
+    _mask = (uint)((1L << RequiredBits) - 1);
+  }
+
+  public uint Compress(float value)
+  {
+    return (uint)((value - Min) * 1f / Precision + 0.5f) & _mask;
+  }
+
+  public float Decompress(uint value)
+  {
+    var result = value * Precision + Min;
+
+    if (result < Min)
+      result = Min;
+    else if (result > Max)
+      result = Max;
+
+    return result;
+  }
+}

Ragon.Client/Sources/Compressor/IntCompressor.cs

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client.Compressor;
+
+public class IntCompressor
+{
+  public int Min { get; private set; }
+  public int Max { get; private set; }
+  public int RequiredBits { get; private set; }
+
+  public IntCompressor(int min = -1000, int max = 1000)
+  {
+    Min = min;
+    Max = max;
+    RequiredBits = Bits.Compute(Max);
+  }
+
+  public uint Compress(int value)
+  {
+    return (uint)((value << 1) ^ (value >> 31));;
+  }
+
+  public int Decompress(uint value)
+  {
+    return (int)((value >> 1) ^ -(int)(value & 1));
+  }
+}

Ragon.Client/Sources/Entity/RagonEntity.cs

@@ -0,0 +1,241 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  public sealed class RagonEntity
+  {
+    private delegate void OnEventDelegate(RagonPlayer player, RagonBuffer serializer);
+
+    private RagonClient _client;
+
+    public ushort Id { get; private set; }
+    public ushort Type { get; private set; }
+    public bool Replication { get; private set; }
+
+    public RagonAuthority Authority { get; private set; }
+    public RagonPlayer Owner { get; private set; }
+    public RagonEntityState State { get; private set; }
+
+    public bool IsAttached { get; private set; }
+    public bool HasAuthority { get; private set; }
+
+    public event Action<RagonEntity> Attached;
+    public event Action Detached;
+    public event Action<RagonPlayer, RagonPlayer> OwnershipChanged;
+
+    internal bool PropertiesChanged => _propertiesChanged;
+    internal ushort SceneId => _sceneId;
+
+    private ushort _sceneId;
+    private bool _propertiesChanged;
+
+    private RagonPayload _spawnPayload;
+    private RagonPayload _destroyPayload;
+
+    private readonly Dictionary<int, OnEventDelegate> _events = new Dictionary<int, OnEventDelegate>();
+    private readonly Dictionary<int, Action<RagonPlayer, IRagonEvent>> _localEvents = new Dictionary<int, Action<RagonPlayer, IRagonEvent>>();
+
+    public RagonEntity(ushort type = 0, ushort sceneId = 0)
+    {
+      State = new RagonEntityState(this);
+      Type = type;
+      
+      _spawnPayload = new RagonPayload(0);
+      _destroyPayload = new RagonPayload(0);
+      _sceneId = sceneId;
+    }
+
+    internal void Attach(RagonClient client, ushort entityId, ushort entityType, bool hasAuthority, RagonPlayer owner)
+    {
+      Type = entityType;
+      Id = entityId;
+      Owner = owner;
+      IsAttached = true;
+      Replication = true;
+      HasAuthority = hasAuthority;
+
+      _client = client;
+
+      Attached?.Invoke(this);
+    }
+
+    internal void Detach(RagonPayload payload)
+    {
+      _destroyPayload = payload;
+
+      Detached?.Invoke();
+    }
+
+    internal T GetPayload<T>(RagonPayload data) where T : IRagonPayload, new()
+    {
+      var payload = new T();
+      if (data.Size <= 0) return payload;
+      
+      var buffer = new RagonBuffer();
+      
+      data.Write(buffer);
+      
+      payload.Deserialize(buffer);
+      
+      return payload;
+    }
+    
+    public void AttachPayload(RagonPayload payload)
+    {
+      _spawnPayload = payload;
+    } 
+
+    public T GetAttachPayload<T>() where T : IRagonPayload, new()
+    {
+      return GetPayload<T>(_spawnPayload);
+    }
+
+    public T GetDetachPayload<T>() where T : IRagonPayload, new()
+    {
+      return GetPayload<T>(_destroyPayload);
+    }
+
+    public void ReplicateEvent<TEvent>(TEvent evnt, RagonPlayer target, RagonReplicationMode replicationMode)
+      where TEvent : IRagonEvent, new()
+    {
+      if (!IsAttached)
+      {
+        RagonLog.Error("Entity not attached");
+        return;
+      }
+
+      var evntId = _client.Event.GetEventCode(evnt);
+      var buffer = _client.Buffer;
+
+      buffer.Clear();
+      buffer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
+      buffer.WriteUShort(Id);
+      buffer.WriteUShort(evntId);
+      buffer.WriteByte((byte)replicationMode);
+      buffer.WriteByte((byte)RagonTarget.Player);
+      buffer.WriteUShort(target.PeerId);
+
+      evnt.Serialize(buffer);
+
+      var sendData = buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+
+    public void ReplicateEvent<TEvent>(
+      TEvent evnt,
+      RagonTarget target = RagonTarget.All,
+      RagonReplicationMode replicationMode = RagonReplicationMode.Server)
+      where TEvent : IRagonEvent, new()
+    {
+      if (!IsAttached)
+      {
+        RagonLog.Error("Entity not attached");
+        return;
+      }
+
+      var eventCode = _client.Event.GetEventCode(evnt);
+      if (target != RagonTarget.ExceptOwner)
+      {
+        if (replicationMode == RagonReplicationMode.Local)
+        {
+          _localEvents[eventCode].Invoke(_client.Room.Local, evnt);
+          return;
+        }
+        if (replicationMode == RagonReplicationMode.LocalAndServer)
+        {
+          _localEvents[eventCode].Invoke(_client.Room.Local, evnt);
+        }
+      }
+
+      var buffer = _client.Buffer;
+      
+      buffer.Clear();
+      buffer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
+      buffer.WriteUShort(Id);
+      buffer.WriteUShort(eventCode);
+      buffer.WriteByte((byte)replicationMode);
+      buffer.WriteByte((byte)target);
+
+      evnt.Serialize(buffer);
+
+      var sendData = buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+
+    public void OnEvent<TEvent>(Action<RagonPlayer, TEvent> callback) where TEvent : IRagonEvent, new()
+    {
+      var t = new TEvent();
+      var eventCode = _client.Event.GetEventCode(t);
+
+      if (_events.ContainsKey(eventCode))
+      {
+        _events.Remove(eventCode);
+        _localEvents.Remove(eventCode);
+
+        RagonLog.Warn($"Event already {eventCode} subscribed, removed old one!");
+      }
+
+      _localEvents.Add(eventCode, (player, eventData) => { callback.Invoke(player, (TEvent)eventData); });
+      _events.Add(eventCode, (player, serializer) =>
+      {
+        t.Deserialize(serializer);
+        callback.Invoke(player, t);
+      });
+    }
+
+    internal void Write(RagonBuffer buffer)
+    {
+      buffer.WriteUShort(Id);
+
+      State.WriteState(buffer);
+
+      _propertiesChanged = false;
+    }
+
+
+    internal void Read(RagonBuffer buffer)
+    {
+      State.ReadState(buffer);
+    }
+
+    internal void Event(ushort eventCode, RagonPlayer caller, RagonBuffer buffer)
+    {
+      if (_events.TryGetValue(eventCode, out var evnt))
+        evnt?.Invoke(caller, buffer);
+      else
+        RagonLog.Warn($"Handler event on entity {Id} with eventCode {eventCode} not defined");
+    }
+
+    internal void TrackChangedProperty(RagonProperty property)
+    {
+      _propertiesChanged = true;
+    }
+
+    public void OnOwnershipChanged(RagonPlayer player)
+    {
+      var prevOwner = Owner;
+
+      Owner = player;
+      HasAuthority = player.IsLocal;
+
+      OwnershipChanged?.Invoke(prevOwner, player);
+    }
+  }
+}

Ragon.Client/Sources/Entity/RagonEntityState.cs

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public sealed class RagonEntityState
+{
+  private List<RagonProperty> _properties;
+  private RagonEntity _entity;
+  
+  public RagonEntityState(RagonEntity entity)
+  {
+    _entity = entity;
+    _properties = new List<RagonProperty>(6);
+  }
+  
+  public void AddProperty(RagonProperty property)
+  {
+    _properties.Add(property);
+    
+    property.AssignEntity(_entity);
+  }
+  
+  internal void WriteInfo(RagonBuffer buffer)
+  {
+    buffer.WriteUShort((ushort)_properties.Count);
+    foreach (var property in _properties)
+    {
+      buffer.WriteBool(property.IsFixed);
+      buffer.WriteUShort((ushort)property.Size);
+    }
+  }
+  
+  internal void ReadState(RagonBuffer buffer)
+  {
+    foreach (var property in _properties)
+    {
+      var changed = buffer.ReadBool();
+      if (changed)
+        property.Read(buffer);
+    }
+  }
+
+  internal void WriteState(RagonBuffer buffer)
+  {
+    foreach (var prop in _properties)
+    {
+      if (prop.IsDirty)
+      {
+        buffer.WriteBool(true);
+        prop.Write(buffer);
+        prop.Flush();
+      }
+      else
+      {
+        prop.AddTick();
+        buffer.WriteBool(false);
+      }
+    }
+  }
+}

Ragon.Client/Sources/Entity/RagonPayload.cs

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public class RagonPayload
+{
+  private readonly uint[] _data = new uint[128];
+  private readonly int _size = 0;
+
+  public RagonPayload(int capacity)
+  {
+    _size = capacity;
+  }
+  public int Size => _size;
+
+  public void Read(RagonBuffer buffer)
+  {
+    buffer.ReadArray(_data, _size);
+  }
+
+  public void Write(RagonBuffer buffer)
+  {
+    buffer.WriteArray(_data, _size);
+  }
+
+  public override string ToString()
+  {
+    return $"Payload Size: {_size}";
+  }
+}

Ragon.Client/Sources/Entity/RagonProperty.cs

@@ -0,0 +1,145 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  [Serializable]
+  public class RagonProperty
+  {
+    public string Name => _name;
+    public RagonEntity Entity => _entity;
+
+    public event Action Changed;
+    public bool IsDirty => _dirty && _ticks >= _priority;
+    public bool IsFixed => _fixed;
+    public int Size => _size;
+
+    private RagonBuffer _propertyBuffer;
+    private RagonEntity _entity;    
+    private bool _dirty;
+    private int _size;
+    private int _ticks;
+    private int _priority;
+    private bool _fixed;
+    private string _name;
+
+    protected bool InvokeLocal;
+
+    protected RagonProperty(int priority, bool invokeLocal)
+    {
+      _size = 0;
+      _priority = priority;
+      _fixed = false;
+      _propertyBuffer = new RagonBuffer();
+      
+      InvokeLocal = invokeLocal;
+    }
+
+    public void SetName(string name)
+    {
+      _name = name;
+    }
+
+    protected void SetFixedSize(int size)
+    {
+      _size = size;
+      _fixed = true;
+    }
+
+    protected void InvokeChanged()
+    {
+      if (!InvokeLocal)
+        return;
+
+      Changed?.Invoke();
+    }
+
+    protected void MarkAsChanged()
+    {
+      InvokeChanged();
+
+      if (_dirty || _entity == null)
+        return;
+
+      _dirty = true;
+      _entity.TrackChangedProperty(this);
+    }
+
+    internal void Flush()
+    {
+      _dirty = false;
+      _ticks = 0;
+    }
+
+    internal void AddTick()
+    {
+      _ticks++;
+    }
+
+    internal void AssignEntity(RagonEntity ent)
+    {
+      _entity = ent;
+
+      Changed?.Invoke();
+    }
+
+    internal void Write(RagonBuffer buffer)
+    {
+      _propertyBuffer.Clear();
+      
+      if (_fixed)
+      {
+        Serialize(_propertyBuffer);
+        
+        buffer.FromBuffer(_propertyBuffer, _size);
+        return;
+      }
+
+      Serialize(_propertyBuffer);
+
+      var propertySize = (ushort) _propertyBuffer.WriteOffset;
+      buffer.WriteUShort(propertySize);;
+      buffer.FromBuffer(_propertyBuffer, propertySize);
+    }
+
+    internal void Read(RagonBuffer buffer)
+    {
+      _propertyBuffer.Clear();
+      
+      if (_fixed)
+      {
+        buffer.ToBuffer(_propertyBuffer, _size);
+        
+        Deserialize(_propertyBuffer);
+        return;
+      }
+      
+      var propSize = buffer.ReadUShort();
+      buffer.ToBuffer(_propertyBuffer, propSize);
+      Deserialize(_propertyBuffer);
+    }
+
+    public virtual void Serialize(RagonBuffer buffer)
+    {
+    }
+
+    public virtual void Deserialize(RagonBuffer buffer)
+    {
+    }
+  }
+}

Ragon.Client/Sources/Handler/AuthorizeFailedHandler.cs

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class AuthorizeFailedHandler: Handler
+{
+  private readonly RagonListenerList _listenerList;
+  public AuthorizeFailedHandler(RagonListenerList list)
+  {
+    _listenerList = list;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var message = buffer.ReadString();
+    _listenerList.OnAuthorizationFailed(message);
+  }
+}

Ragon.Client/Sources/Handler/AuthorizeSuccessHandler.cs

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class AuthorizeSuccessHandler: Handler
+{
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonClient _client;
+  
+  public AuthorizeSuccessHandler(
+    RagonClient client,
+    RagonListenerList listenerList)
+  {
+    _client = client;
+    _listenerList = listenerList;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var playerId = buffer.ReadString();
+    var playerName = buffer.ReadString();
+    var playerPayload = buffer.ReadString();
+
+    _client.SetStatus(RagonStatus.LOBBY);
+    _listenerList.OnAuthorizationSuccess(playerId, playerName, playerPayload);
+  }
+}

Ragon.Client/Sources/Handler/EntityCreateHandler.cs

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class EntityCreateHandler : Handler
+{
+  private readonly RagonClient _client;
+  private readonly RagonPlayerCache _playerCache;
+  private readonly RagonEntityCache _entityCache;
+  private readonly IRagonEntityListener _entityListener;
+  public EntityCreateHandler(
+    RagonClient client,
+    RagonPlayerCache playerCache,
+    RagonEntityCache entityCache,
+    IRagonEntityListener entityListener
+  )
+  {
+    _client = client;
+    _entityCache = entityCache;
+    _playerCache = playerCache;
+    _entityListener = entityListener;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {
+    var attachId = buffer.ReadUShort();
+    var entityType = buffer.ReadUShort();
+    var entityId = buffer.ReadUShort();
+    var ownerId = buffer.ReadUShort();
+    var player = _playerCache.GetPlayerByPeer(ownerId);
+    var payload = new RagonPayload(buffer.Capacity);
+    payload.Read(buffer);
+
+    if (player == null)
+    {
+      RagonLog.Warn($"Owner {ownerId}|{player.Name} not found in players");
+      return;
+    }
+    
+    var hasAuthority = _playerCache.Local.Id == player.Id;
+    var entity = _entityCache.TryGetEntity(attachId, entityType, 0, entityId, hasAuthority, out var hasCreated);
+    
+    entity.AttachPayload(payload);
+
+    if (hasCreated)
+      _entityListener.OnEntityCreated(entity);
+    
+    entity.Attach(_client, entityId, entityType, hasAuthority, player);
+  }
+}

Ragon.Client/Sources/Handler/EntityEventHandler.cs

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class EntityEventHandler : Handler
+{
+    private readonly RagonClient _client;
+    private readonly RagonPlayerCache _playerCache;
+    private readonly RagonEntityCache _entityCache;
+
+    public EntityEventHandler(
+        RagonClient client,
+        RagonPlayerCache playerCache,
+        RagonEntityCache entityCache
+    )
+    {
+        _client = client;
+        _playerCache = playerCache;
+        _entityCache = entityCache;
+    }
+
+    public void Handle(RagonBuffer buffer)
+    {
+        var eventCode = buffer.ReadUShort();
+        var peerId = buffer.ReadUShort();
+        var executionMode = (RagonReplicationMode)buffer.ReadByte();
+        var entityId = buffer.ReadUShort();
+
+        var player = _playerCache.GetPlayerByPeer(peerId);
+        if (player == null)
+        {
+            RagonLog.Warn($"Player not found for event {eventCode}");
+            return;
+        }
+
+        if (player.IsLocal && executionMode == RagonReplicationMode.LocalAndServer)
+            return;
+
+        _entityCache.OnEvent(player, entityId, eventCode, buffer);
+    }
+}

Ragon.Client/Sources/Handler/EntityOwnershipHandler.cs

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class EntityOwnershipHandler: Handler
+{
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonPlayerCache _playerCache;
+  private readonly RagonEntityCache _entityCache;
+  
+  public EntityOwnershipHandler(
+    RagonListenerList listenerList,
+    RagonPlayerCache playerCache,
+    RagonEntityCache entityCache)
+  {
+    _listenerList = listenerList;
+    _playerCache = playerCache;
+    _entityCache = entityCache;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var newOwnerId = buffer.ReadUShort();
+    var entities = buffer.ReadUShort();
+    
+    var player = _playerCache.GetPlayerByPeer(newOwnerId);
+    for (var i = 0; i < entities; i++)
+    {
+      var entityId = buffer.ReadUShort();
+      _entityCache.OnOwnershipChanged(player, entityId);
+      
+      RagonLog.Trace("Entity changed owner: " + entityId);
+    }
+  }
+}

Ragon.Client/Sources/Handler/EntityRemoveHandler.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class EntityRemoveHandler: Handler
+{
+  private readonly RagonEntityCache _entityCache;
+  
+  public EntityRemoveHandler(RagonEntityCache entityCache)
+  {
+    _entityCache = entityCache;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var entityId = buffer.ReadUShort();
+    var payload = new RagonPayload(buffer.Capacity);
+    payload.Read(buffer);
+    
+    _entityCache.OnDestroy(entityId, payload);
+  }
+}

Ragon.Client/Sources/Handler/EntityStateHandler.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class StateEntityHandler: Handler
+{
+  private readonly RagonEntityCache _entityCache;
+  
+  public StateEntityHandler(RagonEntityCache entityCache)
+  {
+    _entityCache = entityCache;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var entitiesCount = buffer.ReadUShort();
+    for (var i = 0; i < entitiesCount; i++)
+    {
+      var entityId = buffer.ReadUShort();
+      _entityCache.OnState(entityId, buffer);
+    }
+  }
+}

Ragon.Client/Sources/Handler/Handler.cs

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public interface Handler
+{
+  public void Handle(RagonBuffer buffer);
+}

Ragon.Client/Sources/Handler/JoinFailedHandler.cs

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class JoinFailedHandler: Handler
+{
+  private readonly RagonListenerList _listenerList;
+  
+  public JoinFailedHandler(RagonListenerList listenerList)
+  {
+    _listenerList = listenerList;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var message = buffer.ReadString();
+    _listenerList.OnFailed(message);
+  }
+}

Ragon.Client/Sources/Handler/JoinSuccessHandler.cs

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public struct RagonRoomInformation
+{
+  public RagonRoomInformation(string roomId, string playerId, string ownerId, ushort min, ushort max)
+  {
+    RoomId = roomId;
+    PlayerId = playerId;
+    OwnerId = ownerId;
+    Min = min;
+    Max = max;
+  }
+
+  public string RoomId { get; private set; }
+  public string PlayerId { get; private set; }
+  public string OwnerId { get; private set; }
+  public ushort Min { get; private set; }
+  public ushort Max { get; private set; }
+}
+
+internal class JoinSuccessHandler : Handler
+{
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonPlayerCache _playerCache;
+  private readonly RagonEntityCache _entityCache;
+  private readonly RagonClient _client;
+
+  public JoinSuccessHandler(
+    RagonClient client,
+    RagonBuffer buffer,
+    RagonListenerList listenerList,
+    RagonPlayerCache playerCache,
+    RagonEntityCache entityCache
+  )
+  {
+    _client = client;
+    _listenerList = listenerList;
+    _entityCache = entityCache;
+    _playerCache = playerCache;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {
+    var roomId = buffer.ReadString();
+    var localId = buffer.ReadString();
+    var ownerId = buffer.ReadString();
+    var min = buffer.ReadUShort();
+    var max = buffer.ReadUShort();
+    var sceneName = buffer.ReadString();
+
+    var scene = new RagonScene(_client, _playerCache, _entityCache, sceneName);
+    var roomInfo = new RagonRoomInformation(roomId, localId, ownerId, min, max);
+    var room = new RagonRoom(_client, _entityCache, _playerCache, roomInfo, scene);
+
+    _playerCache.SetOwnerAndLocal(ownerId, localId);
+    _client.AssignRoom(room);
+    
+    _listenerList.OnSceneRequest(sceneName);
+  }
+}

Ragon.Client/Sources/Handler/LeaveRoomHandler.cs

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class LeaveRoomHandler : Handler
+{
+  private readonly RagonClient _client;
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonEntityCache _entityCache;
+  
+  public LeaveRoomHandler(
+    RagonClient client,
+    RagonListenerList listenerList,
+    RagonEntityCache entityCache)
+  {
+    _client = client;
+    _listenerList = listenerList;
+    _entityCache = entityCache;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {    
+    _listenerList.OnLeft();
+    _entityCache.Cleanup();
+    _client.Room.Cleanup();
+  }
+}

Ragon.Client/Sources/Handler/LoadSceneHandler.cs

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class SceneLoadHandler: Handler
+{
+  private readonly RagonClient _client;
+  private readonly RagonListenerList _listenerList;
+  
+  public SceneLoadHandler(
+    RagonClient ragonClient,
+    RagonListenerList listenerList
+    )
+  {
+    _client = ragonClient;
+    _listenerList = listenerList;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var sceneName = buffer.ReadString();
+    var room = _client.Room;
+    
+    room.Cleanup();
+    room.Update(sceneName);
+    
+    _listenerList.OnSceneRequest(sceneName);
+  }
+}

Ragon.Client/Sources/Handler/OwnershipRoomHandler.cs

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal  class OwnershipRoomHandler: Handler
+{
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonPlayerCache _playerCache;
+  private readonly RagonEntityCache _entityCache;
+  
+  public OwnershipRoomHandler(
+    RagonListenerList listenerList,
+    RagonPlayerCache playerCache,
+    RagonEntityCache entityCache)
+  {
+    _listenerList = listenerList;
+    _playerCache = playerCache;
+    _entityCache = entityCache;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var newOwnerId = buffer.ReadUShort();
+    var player = _playerCache.GetPlayerByPeer(newOwnerId);
+
+    _playerCache.OnOwnershipChanged(newOwnerId);
+    _listenerList.OnOwnershipChanged(player);
+  }
+}

Ragon.Client/Sources/Handler/PlayerJoinHandler.cs

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class PlayerJoinHandler : Handler
+{
+  private RagonPlayerCache _playerCache;
+  private RagonListenerList _listenerList;
+
+  public PlayerJoinHandler(
+    RagonPlayerCache playerCache,
+    RagonListenerList listenerList
+  )
+  {
+    _playerCache = playerCache;
+    _listenerList = listenerList;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {
+    var playerPeerId = buffer.ReadUShort();
+    var playerId = buffer.ReadString();
+    var playerName = buffer.ReadString();
+
+    _playerCache.AddPlayer(playerPeerId, playerId, playerName);
+
+    var player = _playerCache.GetPlayerById(playerId);
+    if (player != null)
+      _listenerList.OnPlayerJoined(player);
+    else
+      RagonLog.Trace($"[Joined] {playerId}");
+  }
+}

Ragon.Client/Sources/Handler/PlayerLeftHandler.cs

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class PlayerLeftHandler : Handler
+{
+  private RagonPlayerCache _playerCache;
+  private RagonEntityCache _entityCache;
+  private RagonListenerList _listenerList;
+
+  public PlayerLeftHandler(
+    RagonEntityCache entityCache,
+    RagonPlayerCache playerCache,
+    RagonListenerList listenerList
+  )
+  {
+    _entityCache = entityCache;
+    _playerCache = playerCache;
+    _listenerList = listenerList;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {
+    var playerId = buffer.ReadString();
+    var player = _playerCache.GetPlayerById(playerId);
+    if (player != null)
+    {
+      _playerCache.RemovePlayer(playerId);
+      _listenerList.OnPlayerLeft(player);
+
+      var entities = buffer.ReadUShort();
+      var toDeleteIds = new ushort[entities];
+      for (var i = 0; i < entities; i++)
+      {
+        var entityId = buffer.ReadUShort();
+        toDeleteIds[i] = entityId;
+      }
+
+      var emptyPayload = new RagonPayload(0);
+      foreach (var id in toDeleteIds)
+        _entityCache.OnDestroy(id, emptyPayload);
+    }
+  }
+}

Ragon.Client/Sources/Handler/SnapshotHandler.cs

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using System.Diagnostics;
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+internal class SnapshotHandler : Handler
+{
+  private readonly IRagonEntityListener _entityListener;
+  private readonly RagonClient _client;
+  private readonly RagonListenerList _listenerList;
+  private readonly RagonEntityCache _entityCache;
+  private readonly RagonPlayerCache _playerCache;
+
+  public SnapshotHandler(
+    RagonClient ragonClient,
+    RagonListenerList listenerList,
+    RagonEntityCache entityCache,
+    RagonPlayerCache playerCache,
+    IRagonEntityListener entityListener
+  )
+  {
+    _client = ragonClient;
+    _entityListener = entityListener;
+    _listenerList = listenerList;
+    _entityCache = entityCache;
+    _playerCache = playerCache;
+  }
+
+  public void Handle(RagonBuffer buffer)
+  {
+    var playersCount = buffer.ReadUShort();
+    RagonLog.Trace("Players: " + playersCount);
+    for (var i = 0; i < playersCount; i++)
+    {
+      var playerPeerId = buffer.ReadUShort();
+      var playerId = buffer.ReadString();
+      var playerName = buffer.ReadString();
+
+      _playerCache.AddPlayer(playerPeerId, playerId, playerName);
+
+      RagonLog.Trace($"Player {playerPeerId} - {playerId} - {playerName}");
+    }
+
+    var dynamicEntities = buffer.ReadUShort();
+    RagonLog.Trace("Dynamic Entities: " + dynamicEntities);
+    for (var i = 0; i < dynamicEntities; i++)
+    {
+      var entityType = buffer.ReadUShort();
+      var entityId = buffer.ReadUShort();
+      var ownerPeerId = buffer.ReadUShort();
+      var payloadSize = buffer.ReadUShort();
+      
+      var player = _playerCache.GetPlayerByPeer(ownerPeerId);
+      if (player == null)
+      {
+        RagonLog.Error($"Player not found with peerId: ${ownerPeerId}");
+        return;
+      }
+
+      var hasAuthority = _playerCache.Local.Id == player.Id;
+      var entity = _entityCache.TryGetEntity(0, entityType, 0, entityId, hasAuthority, out _);
+      
+      if (payloadSize > 0)
+      {
+        var payload = new RagonPayload(payloadSize);
+        payload.Read(buffer);
+       
+        entity.AttachPayload(payload);
+      }
+      
+      _entityListener.OnEntityCreated(entity);
+      
+      entity.Read(buffer);
+      entity.Attach(_client, entityId, entityType, hasAuthority, player);
+    }
+
+    var staticEntities = buffer.ReadUShort();
+    RagonLog.Trace("Scene Entities: " + staticEntities);
+    for (var i = 0; i < staticEntities; i++)
+    {
+      var entityType = buffer.ReadUShort();
+      var entityId = buffer.ReadUShort();
+      var staticId = buffer.ReadUShort();
+      var ownerPeerId = buffer.ReadUShort();
+      var payloadSize = buffer.ReadUShort();
+
+      var player = _playerCache.GetPlayerByPeer(ownerPeerId);
+      if (player == null)
+      {
+        RagonLog.Error($"Player not found with peerId: ${ownerPeerId}");
+        return;
+      }
+
+      var hasAuthority = _playerCache.Local.Id == player.Id;
+      var entity = _entityCache.TryGetEntity(0, entityType, staticId, entityId, hasAuthority, out _);
+      
+      entity.Read(buffer);
+      entity.Attach(_client, entityId, entityType, hasAuthority, player);
+    }
+
+    if (_client.Status == RagonStatus.LOBBY)
+    { 
+      _client.SetStatus(RagonStatus.ROOM);
+      _listenerList.OnJoined();
+    }
+
+    _listenerList.OnSceneLoaded();
+  }
+}

Ragon.Client/Sources/IO/INetworkChannel.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface INetworkChannel
+{
+  void Send(byte[] data);
+}

Ragon.Client/Sources/IO/INetworkConnection.cs

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public interface INetworkConnection: IRagonConnection
+{
+    public INetworkChannel Reliable { get; }
+    public INetworkChannel Unreliable { get; }
+    public Action<byte[]> OnData { get; set; }
+    public Action OnConnected { get; set; }
+    public Action<RagonDisconnect> OnDisconnected { get; set; }
+    public ulong BytesSent { get; }
+    public  ulong BytesReceived { get; }
+    public int Ping { get;  }
+    public void Prepare();
+    public void Connect(string address, ushort port, uint protocol);
+    public void Disconnect();
+    public void Update();
+    public void Dispose();
+}

Ragon.Client/Sources/IO/NetworkStatistics.cs

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Client;
+
+public class NetworkStatistics
+{
+  private const double Interval = 1.0d;
+  private double _upstreamBandwidth = 0d;
+  private double _downstreamBandwidth = 0d;
+  private double _time = 0d;
+  private ulong _upstreamData = 0;
+  private ulong _downstreamData = 0;
+  private ulong _sent = 0;
+  private ulong _received = 0;
+  private int _ping;
+
+  public int Ping => _ping;
+  public double UpstreamBandwidth => _upstreamBandwidth;
+  public double DownstreamBandwidth => _downstreamBandwidth;
+  
+  public void Update(ulong sent, ulong received, int ping, float dt)
+  {
+    _sent = sent;
+    _received = received;
+    _ping = ping;
+    
+    _time += dt;
+    if (_time >= Interval)
+    {
+      if (_upstreamData > 0)
+      {
+        _upstreamData = _sent - _upstreamData;
+        _upstreamBandwidth = (_upstreamData / _time) / 1000 ;
+      }
+
+      if (_downstreamData > 0)
+      {
+        _downstreamData = _received - _downstreamData;
+        _downstreamBandwidth = (_downstreamData / _time) / 1000;
+      }
+
+      _upstreamData = _sent;
+      _downstreamData = _received;
+      _time -= Interval;
+    }
+  }
+}

Ragon.Client/Sources/IRagonConnection.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonConnection
+{
+ 
+}

Ragon.Client/Sources/IRagonEntityListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonEntityListener
+{
+  public void OnEntityCreated(RagonEntity entity);
+}

Ragon.Client/Sources/IRagonEvent.cs

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  public interface IRagonEvent: IRagonSerializable
+  {
+    
+  }
+}

Ragon.Client/Sources/IRagonPayload.cs

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  public interface IRagonPayload: IRagonSerializable
+  {
+    
+  }
+}

Ragon.Client/Sources/IRagonSceneCollector.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonSceneCollector
+{
+  public RagonEntity[] Collect();
+}

Ragon.Client/Sources/Listener/IRagonAuthorizationListener.cs

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Client;
+
+public interface IRagonAuthorizationListener
+{
+  void OnAuthorizationSuccess(RagonClient client, string playerId, string playerName);
+  void OnAuthorizationFailed(RagonClient client, string message);
+}

Ragon.Client/Sources/Listener/IRagonConnectionListener.cs

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public interface IRagonConnectionListener
+{
+  void OnConnected(RagonClient client);
+  void OnDisconnected(RagonClient client, RagonDisconnect reason);
+}

Ragon.Client/Sources/Listener/IRagonFailedListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonFailedListener
+{
+  void OnFailed(RagonClient client, string message);
+}

Ragon.Client/Sources/Listener/IRagonJoinListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonJoinListener
+{
+  void OnJoined(RagonClient client);
+}

Ragon.Client/Sources/Listener/IRagonLeftListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonLeftListener
+{
+  void OnLeft(RagonClient client);
+}

Ragon.Client/Sources/Listener/IRagonListener.cs

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public interface IRagonListener : 
+    IRagonAuthorizationListener, 
+    IRagonConnectionListener, 
+    IRagonFailedListener,
+    IRagonJoinListener, 
+    IRagonLeftListener, 
+    IRagonSceneListener, 
+    IRagonOwnershipChangedListener,
+    IRagonPlayerJoinListener, 
+    IRagonPlayerLeftListener
+  {
+    
+  }
+}

Ragon.Client/Sources/Listener/IRagonOwnershipChangedListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonOwnershipChangedListener
+{
+  void OnOwnershipChanged(RagonClient client, RagonPlayer player);
+}

Ragon.Client/Sources/Listener/IRagonPlayerJoinListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonPlayerJoinListener
+{
+  void OnPlayerJoined(RagonClient client, RagonPlayer player);
+}

Ragon.Client/Sources/Listener/IRagonPlayerLeftListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonPlayerLeftListener
+{
+  void OnPlayerLeft(RagonClient client, RagonPlayer player);
+}

Ragon.Client/Sources/Listener/IRagonSceneListener.cs

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public interface IRagonSceneListener
+{
+  void OnSceneLoaded(RagonClient client);
+}

Ragon.Client/Sources/Listener/IRagonSceneRequestListener.cs

@@ -0,0 +1,6 @@
+namespace Ragon.Client;
+
+public interface IRagonSceneRequestListener
+{
+  void OnRequestScene(RagonClient client, string sceneName);
+}

Ragon.Client/Sources/Log/IRagonLogger.cs

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public interface IRagonLogger
+  {
+    public void Warn(string message);
+    public void Trace(string message);
+    public void Info(string message);
+    public void Error(string message);
+  }
+}

Ragon.Client/Sources/Log/Loggers/RagonConsoleLogger.cs

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public class RagonConsoleLogger: IRagonLogger
+  {
+    public void Warn(string message)
+    {
+     Console.WriteLine($"[WARN] {message}"); 
+    }
+    
+    public void Trace(string message)
+    {
+      Console.WriteLine($"[TRACE] {message}");
+    }
+    
+    public void Info(string message)
+    {
+      Console.WriteLine($"[INFO] {message}");
+    }
+    
+    public void Error(string message)
+    {
+      Console.WriteLine($"[ERROR] {message}");
+    }
+  }
+}

Ragon.Client/Sources/Log/RagonLog.cs

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public class RagonLog
+  {
+    private static IRagonLogger _ragonLogger;
+    static RagonLog() => _ragonLogger = new RagonConsoleLogger();
+    public static void Set(IRagonLogger logger) => _ragonLogger = logger;
+    public static void Warn(string message) => _ragonLogger.Warn(message);
+    public static void Trace(string message) => _ragonLogger.Trace(message);
+    public static void Info(string message) => _ragonLogger.Info(message);
+    public static void Error(string message) => _ragonLogger.Error(message);
+  }
+}

Ragon.Client/Sources/Log/RagonLogLevel.cs

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public enum RagonLogLevel
+{
+  ALL,
+  CONNECTION,
+  STATE,
+  EVENT,
+  ROOM,
+}

Ragon.Client/Sources/RagonClient.cs

@@ -0,0 +1,228 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  public sealed class RagonClient
+  {
+    private readonly INetworkConnection _connection;
+    private readonly NetworkStatistics _stats;
+    private IRagonEntityListener _entityListener;
+    private IRagonSceneCollector _sceneCollector;
+    private Handler[] _handlers;
+    private RagonBuffer _readBuffer;
+    private RagonBuffer _writeBuffer;
+    private RagonRoom _room;
+    private RagonSession _session;
+    private RagonListenerList listeners;
+    private RagonPlayerCache _playerCache;
+    private RagonEntityCache _entityCache;
+    private RagonEventCache _eventCache;
+    private RagonStatus _status;
+
+    private float _replicationRate = 0;
+    private float _replicationTime = 0;
+
+    public IRagonConnection Connection => _connection;
+    public RagonStatus Status => _status;
+    public RagonSession Session => _session;
+    public RagonEventCache Event => _eventCache;
+    public RagonEntityCache Entity => _entityCache;
+    public NetworkStatistics Statistics => _stats;
+    public RagonRoom Room => _room;
+
+    internal RagonBuffer Buffer => _writeBuffer;
+    internal INetworkChannel Reliable => _connection.Reliable;
+    internal INetworkChannel Unreliable => _connection.Unreliable;
+
+    #region PUBLIC
+
+    public RagonClient(INetworkConnection connection, int rate)
+    {
+      _connection = connection;
+      _connection.OnData += OnData;
+      _connection.OnConnected += OnConnected;
+      _connection.OnDisconnected += OnDisconnected;
+
+      listeners = new RagonListenerList(this);
+
+      _replicationRate = (1000.0f / rate) / 1000.0f;
+      _replicationTime = 0;
+
+      _eventCache = new RagonEventCache();
+      _stats = new NetworkStatistics();
+      _status = RagonStatus.DISCONNECTED;
+    }
+
+
+    public void Configure(IRagonSceneCollector sceneCollector)
+    {
+      _sceneCollector = sceneCollector;
+    }
+
+    public void Configure(IRagonEntityListener listener)
+    {
+      _entityListener = listener;
+    }
+
+    public void Connect(string address, ushort port, string protocol)
+    {
+      if (_sceneCollector == null)
+      {
+        RagonLog.Error("Scene collector is not defined!");
+        return;
+      }
+
+      if (_entityListener == null)
+      {
+        RagonLog.Error("Entity Listener is not defined!");
+        return;
+      }
+
+      _writeBuffer = new RagonBuffer();
+      _readBuffer = new RagonBuffer();
+      _session = new RagonSession(this, _readBuffer);
+
+      _playerCache = new RagonPlayerCache();
+      _entityCache = new RagonEntityCache(this, _playerCache, _sceneCollector);
+
+      _handlers = new Handler[byte.MaxValue];
+      _handlers[(byte)RagonOperation.AUTHORIZED_SUCCESS] = new AuthorizeSuccessHandler(this, listeners);
+      _handlers[(byte)RagonOperation.AUTHORIZED_FAILED] = new AuthorizeFailedHandler(listeners);
+      _handlers[(byte)RagonOperation.JOIN_SUCCESS] = new JoinSuccessHandler(this, _readBuffer, listeners, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.JOIN_FAILED] = new JoinFailedHandler(listeners);
+      _handlers[(byte)RagonOperation.LEAVE_ROOM] = new LeaveRoomHandler(this, listeners, _entityCache);
+      _handlers[(byte)RagonOperation.OWNERSHIP_ROOM_CHANGED] = new OwnershipRoomHandler(listeners, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.OWNERSHIP_ENTITY_CHANGED] = new EntityOwnershipHandler(listeners, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.PLAYER_JOINED] = new PlayerJoinHandler(_playerCache, listeners);
+      _handlers[(byte)RagonOperation.PLAYER_LEAVED] = new PlayerLeftHandler(_entityCache, _playerCache, listeners);
+      _handlers[(byte)RagonOperation.LOAD_SCENE] = new SceneLoadHandler(this, listeners);
+      _handlers[(byte)RagonOperation.CREATE_ENTITY] = new EntityCreateHandler(this, _playerCache, _entityCache, _entityListener);
+      _handlers[(byte)RagonOperation.REMOVE_ENTITY] = new EntityRemoveHandler(_entityCache);
+      _handlers[(byte)RagonOperation.REPLICATE_ENTITY_STATE] = new StateEntityHandler(_entityCache);
+      _handlers[(byte)RagonOperation.REPLICATE_ENTITY_EVENT] = new EntityEventHandler(this, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.SNAPSHOT] = new SnapshotHandler(this, listeners, _entityCache, _playerCache, _entityListener);
+
+      var protocolRaw = RagonVersion.Parse(protocol);
+      _connection.Connect(address, port, protocolRaw);
+    }
+
+    public void Disconnect()
+    {
+      _status = RagonStatus.DISCONNECTED;
+      _room.Cleanup();
+      _connection.Disconnect();
+
+      OnDisconnected(RagonDisconnect.MANUAL);
+    }
+
+    public void Update(float dt)
+    {
+      if (_status != RagonStatus.DISCONNECTED)
+      {
+        _replicationTime += dt;
+        if (_replicationTime >= _replicationRate)
+        {
+          _entityCache.WriteState(_readBuffer);
+          _replicationTime = 0;
+        }
+
+        _stats.Update(_connection.BytesSent, _connection.BytesReceived, _connection.Ping, dt);
+      }
+
+      listeners.Update();
+      _connection.Update();
+    }
+
+    public void Dispose()
+    {
+      _status = RagonStatus.DISCONNECTED;
+      _connection.Disconnect();
+      _connection.Dispose();
+    }
+
+    public void AddListener(IRagonListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonAuthorizationListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonConnectionListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonFailedListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonJoinListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonLeftListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonOwnershipChangedListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonPlayerJoinListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonPlayerLeftListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonSceneListener listener) => listeners.Add(listener);
+    public void AddListener(IRagonSceneRequestListener listener) => listeners.Add(listener);
+
+    public void RemoveListener(IRagonListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonAuthorizationListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonConnectionListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonFailedListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonJoinListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonLeftListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonOwnershipChangedListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonPlayerJoinListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonPlayerLeftListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonSceneListener listener) => listeners.Remove(listener);
+    public void RemoveListener(IRagonSceneRequestListener listener) => listeners.Remove(listener);
+
+    #endregion
+
+    #region INTERNAL
+
+    internal void AssignRoom(RagonRoom room)
+    {
+      _room = room;
+    }
+
+    internal void SetStatus(RagonStatus status)
+    {
+      _status = status;
+    }
+
+    #endregion
+
+    #region PRIVATE
+
+    private void OnConnected()
+    {
+      RagonLog.Trace("Connected");
+
+      listeners.OnConnected();
+      _status = RagonStatus.CONNECTED;
+    }
+
+    private void OnDisconnected(RagonDisconnect reason)
+    {
+      RagonLog.Trace($"Disconnected: {reason}");
+
+      listeners.OnDisconnected(reason);
+      _status = RagonStatus.DISCONNECTED;
+    }
+
+    public void OnData(byte[] data)
+    {
+      _readBuffer.Clear();
+      _readBuffer.FromArray(data);
+
+      var operation = _readBuffer.ReadByte();
+      _handlers[operation].Handle(_readBuffer);
+    }
+
+    #endregion
+  }
+}

Ragon.Client/Sources/RagonEntityCache.cs

@@ -0,0 +1,257 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public sealed class RagonEntityCache
+{
+  private readonly List<RagonEntity> _entityList = new();
+  private readonly Dictionary<uint, RagonEntity> _entityMap = new();
+  private readonly Dictionary<uint, RagonEntity> _pendingEntities = new();
+  private readonly Dictionary<uint, RagonEntity> _sceneEntities = new();
+
+  private readonly RagonClient _client;
+  private readonly IRagonSceneCollector _sceneCollector;
+  private readonly RagonPlayerCache _playerCache;
+
+  private int _localEntitiesCounter = 0;
+
+  public RagonEntityCache(
+    RagonClient client,
+    RagonPlayerCache playerCache,
+    IRagonSceneCollector sceneCollector
+  )
+  {
+    _client = client;
+    _sceneCollector = sceneCollector;
+    _playerCache = playerCache;
+  }
+
+  public bool TryGetEntity(ushort id, out RagonEntity entity)
+  {
+    return _entityMap.TryGetValue(id, out entity);
+  }
+
+  public void Create(RagonEntity entity, RagonPayload spawnPayload)
+  {
+    var attachId = (ushort)(_playerCache.Local.PeerId + _localEntitiesCounter++);
+    var buffer = _client.Buffer;
+
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.CREATE_ENTITY);
+    buffer.WriteUShort(attachId);
+    buffer.WriteUShort(entity.Type);
+    buffer.WriteByte((byte)entity.Authority);
+
+    entity.State.WriteInfo(buffer);
+
+    spawnPayload?.Write(buffer);
+
+    _pendingEntities.Add(attachId, entity);
+
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+
+  public void Transfer(RagonEntity entity, RagonPlayer player)
+  {
+    var buffer = _client.Buffer;
+
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.TRANSFER_ENTITY_OWNERSHIP);
+    buffer.WriteUShort(entity.Id);
+    buffer.WriteUShort(player.PeerId);
+
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+
+  public void Destroy(RagonEntity entity, RagonPayload destroyPayload)
+  {
+    if (!entity.IsAttached)
+    {
+      RagonLog.Warn("Can't destroy object, he is not created");
+      return;
+    }
+
+    var buffer = _client.Buffer;
+
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.REMOVE_ENTITY);
+    buffer.WriteUShort(entity.Id);
+
+    destroyPayload?.Write(buffer);
+
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+
+  internal void WriteState(RagonBuffer buffer)
+  {
+    var changedEntities = 0u;
+
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.REPLICATE_ENTITY_STATE);
+
+    var offset = buffer.WriteOffset;
+    buffer.Write(0, 16);
+
+    foreach (var ent in _entityList)
+    {
+      if (!ent.IsAttached ||
+          !ent.Replication ||
+          !ent.PropertiesChanged) continue;
+
+      ent.Write(buffer);
+
+      changedEntities++;
+    }
+
+    if (changedEntities <= 0) return;
+
+    buffer.Write(changedEntities, 16, offset);
+
+    var data = buffer.ToArray();
+    _client.Unreliable.Send(data);
+  }
+
+  internal void WriteScene(RagonBuffer buffer)
+  {
+    _sceneEntities.Clear();
+
+    var entities = _sceneCollector.Collect();
+    buffer.WriteUShort((ushort)entities.Length);
+    foreach (var entity in entities)
+    {
+      buffer.WriteUShort(entity.Type);
+      buffer.WriteByte((byte)entity.Authority);
+      buffer.WriteUShort(entity.SceneId);
+
+      entity.State.WriteInfo(buffer);
+
+      _sceneEntities.Add(entity.SceneId, entity);
+    }
+  }
+
+  internal void CacheScene()
+  {
+    _sceneEntities.Clear();
+
+    var entities = _sceneCollector.Collect();
+    foreach (var entity in entities)
+      _sceneEntities.Add(entity.SceneId, entity);
+  }
+
+  internal void Cleanup()
+  {
+    var payload = new RagonPayload(0);
+    foreach (var ent in _entityList)
+      ent.Detach(payload);
+
+    _entityMap.Clear();
+    _entityList.Clear();
+  }
+  
+  internal RagonEntity TryGetEntity(ushort attachId, ushort entityType, ushort sceneId, ushort entityId, bool hasAuthority, out bool hasCreated)
+  {
+    if (sceneId > 0)
+    {
+      if (_sceneEntities.TryGetValue(sceneId, out var sceneEntity))
+      {
+        _entityMap.Add(entityId, sceneEntity);
+
+        if (hasAuthority)
+          _entityList.Add(sceneEntity);
+        
+        hasCreated = false;
+        
+        return sceneEntity;
+      }
+    }
+
+    if (_pendingEntities.TryGetValue(attachId, out var pendingEntity))
+    {
+      _pendingEntities.Remove(attachId);
+      _entityMap.Add(entityId, pendingEntity);
+
+      if (hasAuthority)
+        _entityList.Add(pendingEntity);
+
+      hasCreated = false;
+
+      return pendingEntity;
+    }
+
+
+    var entity = new RagonEntity(entityType, sceneId);
+    
+    _entityMap.Add(entityId, entity);
+    
+    if (hasAuthority)
+      _entityList.Add(entity);
+
+    hasCreated = true;
+    
+    return entity;
+  }
+
+
+  internal void OnDestroy(ushort entityId, RagonPayload payload)
+  {
+    if (_entityMap.TryGetValue(entityId, out var entity))
+    {
+      _entityMap.Remove(entityId);
+      _entityList.Remove(entity);
+
+      entity.Detach(payload);
+    }
+  }
+
+  internal void OnState(ushort entityId, RagonBuffer buffer)
+  {
+    if (_entityMap.TryGetValue(entityId, out var entity))
+      entity.Read(buffer);
+    else
+      RagonLog.Warn($"Entity {entityId} not found!");
+  }
+
+  internal void OnEvent(RagonPlayer player, ushort entityId, ushort eventCode, RagonBuffer buffer)
+  {
+    if (_entityMap.TryGetValue(entityId, out var entity))
+      entity.Event(eventCode, player, buffer);
+    else
+      RagonLog.Warn($"Entity {entityId} not found!");
+  }
+
+  internal void OnOwnershipChanged(RagonPlayer player, ushort entityId)
+  {
+    if (_entityMap.TryGetValue(entityId, out var entity))
+    {
+      if (player.IsLocal)
+        _entityList.Add(entity);
+      else
+        _entityList.Remove(entity);
+
+      entity.OnOwnershipChanged(player);
+    }
+    else
+    {
+      RagonLog.Warn($"Entity {entityId} not found!");
+    }
+  }
+}

Ragon.Client/Sources/RagonEventCache.cs

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public class RagonEventCache
+{
+  private readonly Dictionary<Type, ushort> _eventsRegistryByType = new();
+  private readonly HashSet<ushort> _codes = new();
+  private readonly HashSet<Type> _types = new();
+  private ushort _eventIdGenerator = 0;
+
+  public ushort GetEventCode<TEvent>(TEvent _) where TEvent : IRagonEvent
+  {
+    var type = typeof(TEvent);
+    if (!_eventsRegistryByType.TryGetValue(type, out var eventCode))
+    {
+      RagonLog.Error($"Event with type {type} not registered");
+      return 0;
+    }
+    return eventCode;
+  }
+
+  public void Register<T>() where T : IRagonEvent, new()
+  {
+    var type = typeof(T);
+    if (_types.Contains(type))
+    {
+      RagonLog.Trace($"[Ragon] Event already registered: {type.Name}");
+      return;
+    }
+
+    RagonLog.Trace($"[Ragon] Registered Event: {type.Name} - {_eventIdGenerator}");
+
+    _eventsRegistryByType.Add(type, _eventIdGenerator);
+    _codes.Add(_eventIdGenerator);
+    _types.Add(type);
+    
+    _eventIdGenerator++;
+  }
+
+  public void Register<T>(ushort evntCode) where T : IRagonEvent, new()
+  {
+    var type = typeof(T);
+    if (_codes.Contains(evntCode) || _types.Contains(type))
+    {
+      RagonLog.Warn($"[Ragon] Event already registered: {type.Name} - {evntCode}");
+      return;
+    }
+
+    RagonLog.Trace($"[Ragon] Registered Event: {type.Name} - {evntCode}");
+
+    _codes.Add(evntCode);
+    _types.Add(type);
+    _eventsRegistryByType.Add(type, evntCode);
+  }
+
+  public T Create<T>() where T : IRagonEvent, new()
+  {
+    return new T();
+  }
+}

Ragon.Client/Sources/RagonListenerList.cs

@@ -0,0 +1,252 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  internal class RagonListenerList
+  {
+    private readonly RagonClient _client;
+    private readonly List<IRagonAuthorizationListener> _authorizationListeners = new();
+    private readonly List<IRagonConnectionListener> _connectionListeners = new();
+    private readonly List<IRagonFailedListener> _failedListeners = new();
+    private readonly List<IRagonJoinListener> _joinListeners = new();
+    private readonly List<IRagonLeftListener> _leftListeners = new();
+    private readonly List<IRagonSceneListener> _sceneListeners = new();
+    private readonly List<IRagonSceneRequestListener> _sceneRequestListeners = new();
+    private readonly List<IRagonOwnershipChangedListener> _ownershipChangedListeners = new();
+    private readonly List<IRagonPlayerJoinListener> _playerJoinListeners = new();
+    private readonly List<IRagonPlayerLeftListener> _playerLeftListeners = new();
+    private readonly List<Action> _delayedActions = new();
+    
+    public RagonListenerList(RagonClient client)
+    {
+      _client = client;
+    }
+    
+    public void Add(IRagonListener listener)
+    {
+      _authorizationListeners.Add(listener);
+      _connectionListeners.Add(listener);
+      _failedListeners.Add(listener);
+      _joinListeners.Add(listener);
+      _leftListeners.Add(listener);
+      _sceneListeners.Add(listener);
+      _ownershipChangedListeners.Add(listener);
+      _playerJoinListeners.Add(listener);
+      _playerLeftListeners.Add(listener);
+    }
+
+    public void Remove(IRagonListener listener)
+    {
+      _delayedActions.Add(() =>
+      {
+        _authorizationListeners.Remove(listener);
+        _connectionListeners.Remove(listener);
+        _failedListeners.Remove(listener);
+        _joinListeners.Remove(listener);
+        _leftListeners.Remove(listener);
+        _sceneListeners.Remove(listener);
+        _ownershipChangedListeners.Remove(listener);
+        _playerJoinListeners.Remove(listener);
+        _playerLeftListeners.Remove(listener);
+      });
+    }
+
+    public void Update()
+    {
+      foreach (var action in _delayedActions)
+        action.Invoke();
+      
+      _delayedActions.Clear();
+    }
+    
+    
+    public void Add(IRagonAuthorizationListener listener)
+    {
+      _authorizationListeners.Add(listener);
+    }
+    
+    public void Add(IRagonSceneRequestListener listener)
+    {
+      _sceneRequestListeners.Add(listener);
+    }
+    
+    public void Add(IRagonConnectionListener listener)
+    {
+      _connectionListeners.Add(listener);
+    }
+    
+    public void Add(IRagonFailedListener listener)
+    {
+      _failedListeners.Add(listener);
+    }
+    
+    public void Add(IRagonJoinListener listener)
+    {
+      _joinListeners.Add(listener);
+    }
+    
+    public void Add(IRagonLeftListener  listener)
+    {
+      _leftListeners.Add(listener);
+    }
+    
+    public void Add(IRagonSceneListener  listener)
+    {
+      _sceneListeners.Add(listener);
+    }
+    
+    public void Add(IRagonOwnershipChangedListener  listener)
+    {
+      _ownershipChangedListeners.Add(listener);
+    }
+
+    public void Add(IRagonPlayerJoinListener  listener)
+    {
+      _playerJoinListeners.Add(listener);
+    }
+    
+    public void Add(IRagonPlayerLeftListener  listener)
+    {
+      _playerLeftListeners.Add(listener);
+    }
+
+    public void Remove(IRagonSceneRequestListener listener)
+    {
+      _delayedActions.Add(() => _sceneRequestListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonAuthorizationListener listener)
+    {
+      _delayedActions.Add(() => _authorizationListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonConnectionListener listener)
+    {
+      
+      _delayedActions.Add(() => _connectionListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonFailedListener listener)
+    {
+      _delayedActions.Add(() => _failedListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonJoinListener listener)
+    {
+      _delayedActions.Add(() => _joinListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonLeftListener  listener)
+    {
+      _delayedActions.Add(() => _leftListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonSceneListener  listener)
+    {
+      _delayedActions.Add(() => _sceneListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonOwnershipChangedListener  listener)
+    {
+      _delayedActions.Add(() => _ownershipChangedListeners.Remove(listener));
+    }
+
+    public void Remove(IRagonPlayerJoinListener  listener)
+    {
+      _delayedActions.Add(() => _playerJoinListeners.Remove(listener));
+    }
+    
+    public void Remove(IRagonPlayerLeftListener  listener)
+    {
+      _delayedActions.Add(() => _playerLeftListeners.Remove(listener));
+    }
+
+    public void OnAuthorizationSuccess(string playerId, string playerName, string payload)
+    {
+      foreach (var listener in _authorizationListeners)
+        listener.OnAuthorizationSuccess(_client, playerId, playerName);
+    }
+    
+    public void OnAuthorizationFailed(string message)
+    {
+      foreach (var listener in _authorizationListeners)
+        listener.OnAuthorizationFailed(_client, message);
+    }
+    
+    public void OnLeft()
+    {
+      foreach (var listener in _leftListeners)
+        listener.OnLeft(_client);
+    }
+
+    public void OnFailed(string message)
+    {
+      foreach (var listener in _failedListeners)
+        listener.OnFailed(_client, message);
+    }
+
+    public void OnOwnershipChanged(RagonPlayer player)
+    {
+      foreach (var listener in _ownershipChangedListeners)
+        listener.OnOwnershipChanged(_client, player);
+    }
+
+    public void OnPlayerLeft(RagonPlayer player)
+    {
+      foreach (var listener in _playerLeftListeners)
+        listener.OnPlayerLeft(_client, player);
+    }
+
+    public void OnPlayerJoined(RagonPlayer player)
+    {
+      foreach (var listener in _playerJoinListeners)
+        listener.OnPlayerJoined(_client, player);
+    }
+
+    public void OnSceneLoaded()
+    {
+      foreach (var listener in _sceneListeners)
+        listener.OnSceneLoaded(_client);
+    }
+    
+    public void OnSceneRequest(string sceneName)
+    {
+      foreach (var listener in _sceneRequestListeners)
+        listener.OnRequestScene(_client, sceneName);
+    }
+
+    public void OnJoined()
+    {
+      foreach (var listener in _joinListeners)
+        listener.OnJoined(_client);
+    }
+
+    public void OnConnected()
+    {
+      foreach (var listener in _connectionListeners)
+        listener.OnConnected(_client);
+    }
+
+    public void OnDisconnected(RagonDisconnect disconnect)
+    {
+      foreach (var listener in _connectionListeners)
+        listener.OnDisconnected(_client, disconnect);
+    }
+  }
+}

Ragon.Client/Sources/RagonPlayer.cs

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  [Serializable]
+  public class RagonPlayer
+  {
+    public string Id { get; private set; }
+    public string Name { get; set; }
+    public ushort PeerId { get; set; }
+    public bool IsRoomOwner { get; set; }
+    public bool IsLocal { get; set; }
+    
+    public RagonPlayer(ushort peerId, string playerId, string name, bool isRoomOwner, bool isLocal)
+    {
+      PeerId = peerId;
+      IsRoomOwner = isRoomOwner;
+      IsLocal = isLocal;
+      Name = name;
+      Id = playerId;
+    } 
+  }
+}

Ragon.Client/Sources/RagonPlayerCache.cs

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client;
+
+public sealed class RagonPlayerCache
+{
+  private readonly List<RagonPlayer> _players = new();
+  private readonly Dictionary<string, RagonPlayer> _playersById = new();
+  private readonly Dictionary<ushort, RagonPlayer> _playersByConnection = new();
+
+  public IReadOnlyList<RagonPlayer> Players => _players;
+  public RagonPlayer Owner { get; private set; }
+  public RagonPlayer Local { get; private set; }
+  public bool IsRoomOwner => _ownerId == _localId;
+  
+  public RagonPlayer? GetPlayerById(string playerId) => _playersById[playerId];
+  public RagonPlayer? GetPlayerByPeer(ushort peerId) => _playersByConnection[peerId];
+
+  private string _ownerId;
+  private string _localId;
+
+  public void SetOwnerAndLocal(string ownerId, string localId)
+  {
+    _ownerId = ownerId;
+    _localId = localId;
+  }
+
+  public void AddPlayer(ushort peerId, string playerId, string playerName)
+  {
+    if (_playersById.ContainsKey(playerId))
+      return;
+
+    var isOwner = playerId == _ownerId;
+    var isLocal = playerId == _localId;
+
+    RagonLog.Trace($"Added player {peerId}|{playerId}|{playerName} IsOwner: {isOwner} isLocal: {isLocal}");
+
+    var player = new RagonPlayer(peerId, playerId, playerName, isOwner, isLocal);
+
+    if (player.IsLocal)
+      Local = player;
+
+    if (player.IsRoomOwner)
+      Owner = player;
+
+    _players.Add(player);
+    _playersById.Add(player.Id, player);
+    _playersByConnection.Add(player.PeerId, player);
+  }
+
+  public void RemovePlayer(string playerId)
+  {
+    if (_playersById.TryGetValue(playerId, out var player))
+    {
+      _players.Remove(player);
+      _playersById.Remove(playerId);
+      _playersByConnection.Remove(player.PeerId);
+    }
+  }
+
+  public void OnOwnershipChanged(ushort playerPeerId)
+  {
+    foreach (var player in _players)
+    {
+      if (player.PeerId == playerPeerId)
+      {
+        Owner = player;
+        Owner.IsRoomOwner = true;
+      }
+    }
+  }
+
+
+  public void Cleanup()
+  {
+    _players.Clear();
+    _playersByConnection.Clear();
+    _playersById.Clear();
+  }
+}

Ragon.Client/Sources/RagonRoom.cs

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public class RagonRoom
+  {
+    private RagonClient _client;
+    private RagonScene _scene;
+    private RagonEntityCache _entityCache;
+    private RagonPlayerCache _playerCache;
+    private RagonRoomInformation _information;
+
+    public string Id => _information.RoomId;
+    public int MinPlayers => _information.Min;
+    public int MaxPlayers => _information.Max;
+    public string Scene => _scene.Name;
+
+    public IReadOnlyList<RagonPlayer> Players => _playerCache.Players;
+    public RagonPlayer Local => _playerCache.Local;
+    public RagonPlayer Owner => _playerCache.Owner;
+    
+    public RagonRoom(RagonClient client,
+      RagonEntityCache entityCache,
+      RagonPlayerCache playerCache,
+      RagonRoomInformation information,
+      RagonScene scene)
+    {
+      _client = client;
+      _information = information;
+      _entityCache = entityCache;
+      _playerCache = playerCache;
+      _scene = scene;
+    }
+
+    internal void Cleanup()
+    {
+      _entityCache.Cleanup();
+      _playerCache.Cleanup();
+    }
+
+    internal void Update(string sceneName)
+    {
+      _scene.Update(sceneName);
+    }
+
+    public void LoadScene(string sceneName) => _scene.Load(sceneName);
+    public void SceneLoaded() => _scene.SceneLoaded();
+
+    public void CreateEntity(RagonEntity entity) => CreateEntity(entity, null);
+    public void CreateEntity(RagonEntity entity, RagonPayload payload) => _entityCache.Create(entity, payload);
+    public void TransferEntity(RagonEntity entity, RagonPlayer player) => _entityCache.Transfer(entity, player);
+
+    public void DestroyEntity(RagonEntity entityId) => DestroyEntity(entityId, null);
+    public void DestroyEntity(RagonEntity entityId, RagonPayload payload) => _entityCache.Destroy(entityId, payload);
+  }
+}

Ragon.Client/Sources/RagonScene.cs

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public class RagonScene
+{
+  public string Name { get; private set; }
+  
+  private readonly RagonClient _client;
+  private readonly RagonEntityCache _entityCache;
+  private readonly RagonPlayerCache _playerCache;
+  
+  public RagonScene(RagonClient client, RagonPlayerCache playerCache, RagonEntityCache entityCache, string sceneName)
+  {
+    Name = sceneName;
+    
+    _client = client;
+    _playerCache = playerCache;
+    _entityCache = entityCache;
+  }
+
+  internal void Update(string scene)
+  {
+    Name = scene;
+  }
+  
+  internal void Load(string sceneName)
+  {
+    var buffer = _client.Buffer;
+    
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.LOAD_SCENE);
+    buffer.WriteString(sceneName);
+
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+
+  internal void SceneLoaded()
+  {
+    var buffer = _client.Buffer;
+    
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.SCENE_LOADED);
+
+    if (_playerCache.IsRoomOwner)
+      _entityCache.WriteScene(buffer);
+    else
+      _entityCache.CacheScene();
+    
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+}

Ragon.Client/Sources/RagonSession.cs

@@ -0,0 +1,109 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Ragon.Protocol;
+
+namespace Ragon.Client
+{
+  public class RagonSession
+  {
+    private readonly RagonClient _client;
+    private readonly RagonBuffer _buffer;
+    
+    public RagonSession(RagonClient client, RagonBuffer buffer)
+    {
+      _client = client;
+      _buffer = buffer;
+    }
+
+    public void CreateOrJoin(string sceneName, int minPlayers, int maxPlayers)
+    {
+      var parameters = new RagonRoomParameters() {Scene = sceneName, Min = minPlayers, Max = maxPlayers};
+      CreateOrJoin(parameters);
+    }
+    
+    public void CreateOrJoin(RagonRoomParameters parameters)
+    {
+      _buffer.Clear();
+      _buffer.WriteOperation(RagonOperation.JOIN_OR_CREATE_ROOM);
+
+      parameters.Serialize(_buffer);
+
+      var sendData = _buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+
+    public void Create(string sceneName, int minPlayers, int maxPlayers)
+    {
+      Create(null, new RagonRoomParameters() {Scene = sceneName, Min = minPlayers, Max = maxPlayers});
+    }
+
+    public void Create(string roomId, string sceneNa, int minPlayers, int maxPlayers)
+    {
+      Create(roomId, new RagonRoomParameters() {Scene = sceneNa, Min = minPlayers, Max = maxPlayers});
+    }
+    
+    public  void Create(string roomId, RagonRoomParameters parameters)
+    {
+      _buffer.Clear();
+      _buffer.WriteOperation(RagonOperation.CREATE_ROOM);
+
+      if (roomId != null)
+      {
+        _buffer.WriteBool(true);
+        _buffer.WriteString(roomId);
+      }
+      else
+      {
+        _buffer.WriteBool(false);
+      }
+
+      parameters.Serialize(_buffer);
+
+      var sendData = _buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+    
+    public  void Leave()
+    {
+      var sendData = new[] {(byte) RagonOperation.LEAVE_ROOM};
+      _client.Reliable.Send(sendData);
+    }
+
+    public  void Join(string roomId)
+    {
+      _buffer.Clear();
+      _buffer.WriteOperation(RagonOperation.JOIN_ROOM);
+      _buffer.WriteString(roomId);
+
+      var sendData = _buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+
+    public  void AuthorizeWithKey(string key, string playerName, string payload = "")
+    {
+      _buffer.Clear();
+      _buffer.WriteOperation(RagonOperation.AUTHORIZE);
+      _buffer.WriteString(key);
+      _buffer.WriteString(playerName);
+      _buffer.WriteString(payload);
+
+      var sendData = _buffer.ToArray();
+      _client.Reliable.Send(sendData);
+    }
+    
+  }
+}

Ragon.Client/Sources/RagonStatus.cs

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Client
+{
+  public enum RagonStatus
+  {
+    DISCONNECTED,
+    CONNECTED,
+    ROOM,
+    LOBBY,
+  }
+}

Ragon.Client/Sources/Utils/CompressorExtension.cs

@@ -0,0 +1,27 @@
+using Ragon.Client.Compressor;
+using Ragon.Protocol;
+
+namespace Ragon.Client.Utils;
+
+public static class CompressorExtension
+{
+  public static float Read(this FloatCompressor compressor, RagonBuffer buffer)
+  {
+    return compressor.Decompress(buffer.Read(compressor.RequiredBits));
+  }
+
+  public static void Write(this FloatCompressor compressor, RagonBuffer buffer, float value)
+  {
+    buffer.Write(compressor.Compress(value), compressor.RequiredBits);
+  }
+  
+  public static float Read(this IntCompressor compressor, RagonBuffer buffer)
+  {
+    return compressor.Decompress(buffer.Read(compressor.RequiredBits));
+  }
+
+  public static void Write(this IntCompressor compressor, RagonBuffer buffer, int value)
+  {
+    buffer.Write(compressor.Compress(value), compressor.RequiredBits);
+  }
+}

Ragon.Common/Ragon.Common.csproj

@@ -1,21 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <ImplicitUsings>disable</ImplicitUsings>
-        <Nullable>disable</Nullable>
-        <LangVersion>8</LangVersion>
-        <TargetFramework>netstandard2.1</TargetFramework>
-    </PropertyGroup>
-
-    <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-      <OutputPath></OutputPath>
-      <DebugSymbols>false</DebugSymbols>
-      <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-      <DefineConstants>TRACE;NETSTACK_SPAN</DefineConstants>
-    </PropertyGroup>
-
-    <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
-      <OutputPath></OutputPath>
-      <DefineConstants>TRACE;NETSTACK_SPAN</DefineConstants>
-    </PropertyGroup>
-</Project>

Ragon.Common/Sources/RagonAuthority.cs

@@ -1,9 +0,0 @@
-namespace Ragon.Common
-{
-  public enum RagonAuthority: byte
-  {
-    NONE,
-    OWNER_ONLY,
-    ALL,
-  }
-}

Ragon.Common/Sources/RagonOperation.cs

@@ -1,31 +0,0 @@
-namespace Ragon.Common
-{
-  public enum RagonOperation: byte
-  {
-    AUTHORIZE,
-    AUTHORIZED_SUCCESS,
-    AUTHORIZED_FAILED,
-    
-    JOIN_OR_CREATE_ROOM,
-    CREATE_ROOM,
-    JOIN_ROOM,
-    LEAVE_ROOM,
-    OWNERSHIP_CHANGED,
-    JOIN_SUCCESS,
-    JOIN_FAILED,
-    
-    LOAD_SCENE,
-    SCENE_LOADED,
-
-    PLAYER_JOINED,
-    PLAYER_LEAVED,
-    
-    CREATE_ENTITY,
-    DESTROY_ENTITY,
-    SNAPSHOT,
-    
-    REPLICATE_ENTITY_STATE,
-    REPLICATE_ENTITY_EVENT,
-    REPLICATE_EVENT,
-  }
-}

Ragon.Common/Sources/RagonReplicationMode.cs

@@ -1,10 +0,0 @@
-namespace Ragon.Common
-{
-  public enum RagonReplicationMode: byte
-  {
-    LOCAL,
-    SERVER,
-    LOCAL_AND_SERVER,
-    BUFFERED,
-  }
-}

Ragon.Common/Sources/RagonRoomParameters.cs

@@ -1,24 +0,0 @@
-
-namespace Ragon.Common
-{
-  public class RagonRoomParameters: IRagonSerializable
-  {
-    public string Map { get; set; }
-    public int Min { get; set; } 
-    public int Max { get; set; } 
-    
-    public void Serialize(RagonSerializer buffer)
-    {
-      buffer.WriteString(Map);
-      buffer.WriteInt(Min);
-      buffer.WriteInt(Max);
-    }
-
-    public void Deserialize(RagonSerializer buffer)
-    {
-      Map = buffer.ReadString();
-      Min = buffer.ReadInt();
-      Max = buffer.ReadInt();
-    }
-  }
-}

Ragon.Common/Sources/RagonSerializable.cs

@@ -1,8 +0,0 @@
-namespace Ragon.Common
-{
-  public interface IRagonSerializable
-  {
-    public void Serialize(RagonSerializer serializer);
-    public void Deserialize(RagonSerializer serializer);
-  }
-}

Ragon.Common/Sources/RagonSerializer.cs

@@ -1,335 +0,0 @@
-using System;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Text;
-
-
-namespace Ragon.Common
-{
-  [StructLayout(LayoutKind.Explicit)]
-  internal struct ValueConverter
-  {
-    [FieldOffset(0)] public int Int;
-    [FieldOffset(0)] public float Float;
-    [FieldOffset(0)] public long Long;
-    [FieldOffset(0)] public byte Byte0;
-    [FieldOffset(1)] public byte Byte1;
-    [FieldOffset(2)] public byte Byte2;
-    [FieldOffset(3)] public byte Byte3;
-    [FieldOffset(4)] public byte Byte4;
-    [FieldOffset(5)] public byte Byte5;
-    [FieldOffset(6)] public byte Byte6;
-    [FieldOffset(7)] public byte Byte7;
-  }
-
-  public class RagonSerializer
-  {
-    private byte[] _data;
-    private int _offset;
-    private int _size;
-    
-    public int Lenght => _offset;
-    public int Size => _size - _offset;
-
-    public RagonSerializer(int capacity = 256)
-    {
-      _data = new byte[capacity];
-      _offset = 0;
-      _size = 0;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void Reset()
-    {
-      _size = _offset;
-      _offset = 0;
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void AddOffset(int offset)
-    {
-      _offset += offset;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteByte(byte value)
-    {
-      ResizeIfNeed(1);
-      _data[_offset] = value;
-      _offset += 1;
-      return 1;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public byte ReadByte()
-    {
-      var value = _data[_offset];
-      _offset += 1;
-      return value;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteBool(bool value)
-    {
-      ResizeIfNeed(1);
-      _data[_offset] = value ? (byte) 1 : (byte) 0;
-      _offset += 1;
-      return 1;
-    }
-
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public bool ReadBool()
-    {
-      var value = _data[_offset];
-      _offset += 1;
-      return value == 1;
-    }
-
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteInt(int value)
-    {
-      ResizeIfNeed(4);
-      var converter = new ValueConverter() {Int = value};
-      _data[_offset] = converter.Byte0;
-      _data[_offset + 1] = converter.Byte1;
-      _data[_offset + 2] = converter.Byte2;
-      _data[_offset + 3] = converter.Byte3;
-      _offset += 4;
-      return 4;
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteInt(int value, int offset)
-    {
-      ResizeIfNeed(4);
-      var converter = new ValueConverter() {Int = value};
-      _data[offset] = converter.Byte0;
-      _data[offset + 1] = converter.Byte1;
-      _data[offset + 2] = converter.Byte2;
-      _data[offset + 3] = converter.Byte3;
-      return 4;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int ReadInt()
-    {
-      var converter = new ValueConverter {Byte0 = _data[_offset], Byte1 = _data[_offset + 1], Byte2 = _data[_offset + 2], Byte3 = _data[_offset + 3]};
-      _offset += 4;
-      return converter.Int;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void WriteLong(long value)
-    {
-      ResizeIfNeed(8);
-      WriteLong(value, _offset);
-      _offset += 8;
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteLong(long value, int offset)
-    {
-      var converter = new ValueConverter() {Long = value};
-      _data[offset] = converter.Byte0;
-      _data[offset + 1] = converter.Byte1;
-      _data[offset + 2] = converter.Byte2;
-      _data[offset + 3] = converter.Byte3;
-      _data[offset + 4] = converter.Byte4;
-      _data[offset + 5] = converter.Byte5;
-      _data[offset + 6] = converter.Byte6;
-      _data[offset + 7] = converter.Byte7;
-      return 8;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public long ReadLong()
-    {
-      var converter = new ValueConverter
-      {
-        Byte0 = _data[_offset],
-        Byte1 = _data[_offset + 1],
-        Byte2 = _data[_offset + 2],
-        Byte3 = _data[_offset + 3],
-        Byte4 = _data[_offset + 4],
-        Byte5 = _data[_offset + 5],
-        Byte6 = _data[_offset + 6],
-        Byte7 = _data[_offset + 7],
-      };
-      _offset += 8;
-      return converter.Long;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteFloat(float value)
-    {
-      var converter = new ValueConverter() {Float = value};
-      WriteInt(converter.Int);
-      return 4;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public float ReadFloat()
-    {
-      var rawValue = ReadInt();
-      var converter = new ValueConverter() {Int = rawValue};
-      var value = converter.Float;
-      return value;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteString(string value)
-    {
-      var rawData = Encoding.UTF8.GetBytes(value).AsSpan();
-      ResizeIfNeed(2 + rawData.Length);
-      WriteUShort((ushort) rawData.Length);
-      var data = _data.AsSpan().Slice(_offset, rawData.Length);
-      rawData.CopyTo(data);
-      _offset += rawData.Length;
-
-      return rawData.Length + 2;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public string ReadString()
-    {
-      var lenght = ReadUShort();
-      var stringRaw = _data.AsSpan().Slice(_offset, lenght);
-      var str = Encoding.UTF8.GetString(stringRaw);
-      _offset += lenght;
-      return str;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public ReadOnlySpan<byte> ReadData(int lenght)
-    {
-      var data = _data.AsSpan();
-      var payloadData = data.Slice(_offset, lenght);
-
-      _offset += payloadData.Length;
-      return payloadData;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteData(ref ReadOnlySpan<byte> payload)
-    {
-      ResizeIfNeed(payload.Length);
-
-      var data = _data.AsSpan();
-      var payloadData = data.Slice(_offset, payload.Length);
-
-      payload.CopyTo(payloadData);
-      _offset += payload.Length;
-      return payload.Length;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public Span<byte> GetWritableData(int lenght)
-    {
-      ResizeIfNeed(lenght);
-
-      var data = _data.AsSpan();
-      var payloadData = data.Slice(_offset, lenght);
-
-      _offset += lenght;
-      return payloadData;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteOperation(RagonOperation ragonOperation)
-    {
-      ResizeIfNeed(1);
-
-      _data[_offset] = (byte) ragonOperation;
-      _offset += 1;
-
-      return 1;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public RagonOperation ReadOperation()
-    {
-      var op = (RagonOperation) _data[_offset];
-      _offset += 1;
-      return op;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteUShort(ushort value)
-    {
-      ResizeIfNeed(2);
-
-      _data[_offset] = (byte) (value & 0x00FF);
-      _data[_offset + 1] = (byte) ((value & 0xFF00) >> 8);
-      _offset += 2;
-
-      return 2;
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int WriteUShort(ushort value, int offset)
-    {
-      ResizeIfNeed(2);
-      _data[offset] = (byte) (value & 0x00FF);
-      _data[offset + 1] = (byte) ((value & 0xFF00) >> 8);
-      return 2;
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public ushort ReadUShort()
-    {
-      var value = (ushort) (_data[_offset] + (_data[_offset + 1] << 8));
-      _offset += 2;
-      return value;
-    }
-
-    public void Clear()
-    {
-      _offset = 0;
-      _size = 0;
-    }
-
-    public void ToSpan(ref Span<byte> data)
-    {
-      var span = _data.AsSpan();
-      var dataSpan = span.Slice(0, _offset);
-      dataSpan.CopyTo(data);
-    }
-
-    public void FromSpan(ref ReadOnlySpan<byte> data)
-    {
-      Clear();
-      ResizeIfNeed(data.Length);
-      var dataSpan = _data.AsSpan();
-      data.CopyTo(dataSpan);
-      _size = data.Length;
-    }
-
-    public void FromArray(byte[] data)
-    {
-      Clear();
-      ResizeIfNeed(data.Length);
-      Buffer.BlockCopy(data, 0, _data, 0, data.Length);
-      _size = data.Length;
-    }
-
-
-    public byte[] ToArray()
-    {
-      var bytes = new byte[_offset];
-      Buffer.BlockCopy(_data, 0, bytes, 0, _offset);
-      return bytes;
-    }
-
-    private void ResizeIfNeed(int lenght)
-    {
-      if (_offset + lenght < _data.Length)
-        return;
-
-      var newData = new byte[_data.Length * 4 + lenght];
-      Buffer.BlockCopy(_data, 0, newData, 0, _data.Length);
-      _data = newData;
-    }
-  }
-}

Ragon.Common/Sources/RagonTarget.cs

@@ -1,9 +0,0 @@
-namespace Ragon.Common
-{
-  public enum RagonTarget: byte
-  {
-    OWNER,
-    EXCEPT_OWNER,
-    ALL,
-  }
-}

Ragon.Protocol/Ragon.Protocol.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>disable</Nullable>
+        <LangVersion>8</LangVersion>
+        <RootNamespace>Ragon.Common</RootNamespace>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <Version>1.2.4-rc</Version>
+        <Title>Ragon.Protocol</Title>
+        <Copyright>Eduard Kargin</Copyright>
+        <PackageProjectUrl>https://ragon-server.com</PackageProjectUrl>
+        <RepositoryUrl>https://github.com/edmand46/Ragon</RepositoryUrl>
+        <RepositoryType>Source</RepositoryType>
+        <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
+        <TargetFramework>netstandard2.0</TargetFramework>
+    </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+      <OutputPath></OutputPath>
+      <DebugSymbols>false</DebugSymbols>
+      <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+      <DefineConstants>TRACE;NETSTACK_SPAN</DefineConstants>
+    </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+      <OutputPath></OutputPath>
+      <DefineConstants>TRACE;</DefineConstants>
+      <DebugType>none</DebugType>
+    </PropertyGroup>
+</Project>

Ragon.Protocol/Sources/RagonAuthority.cs

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public enum RagonAuthority: byte
+  {
+    None,
+    OwnerOnly,
+    All,
+  }
+}

Ragon.Protocol/Sources/RagonBuffer.cs

@@ -0,0 +1,436 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ *  Copyright (c) 2018 Stanislav Denisov, Maxim Munnig
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+/*
+ *  Copyright (c) 2018 Alexander Shoulson
+ *
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, subject to the following restrictions:
+ *
+ *  1. The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *  2. Altered source versions must be plainly marked as such, and must not be
+ *     misrepresented as being the original software.
+ *  3. This notice may not be removed or altered from any source distribution.
+ */
+
+
+using System;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace Ragon.Protocol
+{
+  public class RagonBuffer
+  {
+    private int _read;
+    private int _write;
+    private uint[] _buckets;
+    private readonly UTF8Encoding _utf8Encoding = new UTF8Encoding(false, true);
+
+    public int ReadOffset => _read;
+    public int WriteOffset => _write;
+    public int Length => ((_write - 1) >> 3) + 1;
+    public int Capacity => _write - _read;
+
+    public RagonBuffer(int capacity = 128)
+    {
+      _buckets = new uint[capacity];
+      _read = 0;
+      _write = 0;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteBool(bool value)
+    {
+      Write(value ? 1u : 0u, 1);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public bool ReadBool()
+    {
+      return Read(1) == 1u;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteByte(byte value)
+    {
+      Write(value, 8);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public byte ReadByte()
+    {
+      return (byte)Read(8);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteOperation(RagonOperation operation)
+    {
+      Write((byte)operation, 8);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public RagonOperation ReadOperation()
+    {
+      return (RagonOperation)Read(8);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteFloat(float value, float min, float max, float precision)
+    {
+      var requiredBits = DeBruijn.Log2((uint)((max - min) * (1.0f / precision) + 0.5f)) + 1;
+      var mask = (uint)((1L << requiredBits) - 1);
+      var compressedValue = (uint)((value - min) * (1f / precision) + 0.5f) & mask;
+
+      Write(compressedValue, requiredBits);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public float ReadFloat(float min, float max, float precision)
+    {
+      var requiredBits = DeBruijn.Log2((uint)((max - min) * (1.0f / precision) + 0.5f)) + 1;
+      var compressedValue = Read(requiredBits);
+
+      float adjusted = compressedValue * precision + min;
+
+      if (adjusted < min)
+        adjusted = min;
+      else if (adjusted > max)
+        adjusted = max;
+
+      return adjusted;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteInt(int value, int min, int max)
+    {
+      var maxValue = Math.Max(Math.Abs(min), Math.Abs(max));
+      var requiredBits = Bits.Compute(maxValue);
+      uint compressedValue = (uint)((value << 1) ^ (value >> 31));
+
+      Write(compressedValue, requiredBits);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public int ReadInt(int min, int max)
+    {
+      var maxValue = Math.Max(Math.Abs(min), Math.Abs(max));
+      var requiredBits = Bits.Compute(maxValue);
+      var compressedValue = Read(requiredBits);
+      var value = (int)((compressedValue >> 1) ^ (-(int)(compressedValue & 1)));
+
+      return value;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteUShort(ushort value)
+    {
+      Write(value, 16);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public ushort ReadUShort()
+    {
+      return (ushort)Read(16);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteString(string str)
+    {
+      var data = _utf8Encoding.GetBytes(str);
+      var len = (uint)data.Length;
+      Write(len, 16);
+      WriteBytes(data);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public string ReadString()
+    {
+      var len = (int)Read(16);
+      var data = ReadBytes(len);
+      var str = _utf8Encoding.GetString(data);
+      return str;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public uint Read(int numBits, int offset)
+    {
+      var currentBucketIndex = offset >> 5;
+      var used = offset & 0x0000001F;
+
+      var chunkMask = ((1UL << numBits) - 1) << used;
+      var scratch = (ulong)_buckets[currentBucketIndex];
+
+      if (currentBucketIndex + 1 < _buckets.Length)
+        scratch |= (ulong)_buckets[currentBucketIndex + 1] << 32;
+
+      var result = (scratch & chunkMask) >> used;
+
+      return (uint)result;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void Write(uint value, int numBits, int offset)
+    {
+      Debug.Assert(!(numBits < 0));
+      Debug.Assert(!(numBits > 32));
+
+      var index = offset >> 5;
+      var used = offset & 0x0000001F;
+
+      var valueMask = (1UL << numBits) - 1;
+      var prepared = (value & valueMask) << used;
+      var scratch = _buckets[index] | (ulong)_buckets[index + 1] << 32;
+      var result = scratch | prepared;
+
+      _buckets[index] = (uint)result;
+      _buckets[index + 1] = (uint)(result >> 32);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void Write(uint value, int numBits = 16)
+    {
+      Debug.Assert(!(numBits < 0));
+      Debug.Assert(!(numBits > 32));
+
+      var currentBucketIndex = _write >> 5;
+      var used = _write & 0x0000001F;
+      var mask = (1UL << used) - 1;
+      var scratch = _buckets[currentBucketIndex] & mask;
+      var result = scratch | ((ulong)value << used);
+
+      if (currentBucketIndex + 1 >= _buckets.Length)
+        Resize(1);
+
+      _buckets[currentBucketIndex] = (uint)result;
+      _buckets[currentBucketIndex + 1] = (uint)(result >> 32);
+
+      _write += numBits;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public uint Read(int numBits = 16)
+    {
+      var currentBucketIndex = _read >> 5;
+      var used = _read & 0x0000001F;
+
+      var chunkMask = ((1UL << numBits) - 1) << used;
+      var scratch = (ulong)_buckets[currentBucketIndex];
+
+      if (currentBucketIndex + 1 < _buckets.Length)
+        scratch |= (ulong)_buckets[currentBucketIndex + 1] << 32;
+
+      var result = (scratch & chunkMask) >> used;
+
+      _read += numBits;
+
+      return (uint)result;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    [Obsolete("Do not use this method, will be removed")]
+    public void WriteBytes(byte[] data)
+    {
+      var len = data.Length;
+      for (int i = 0; i < len; i++)
+        Write(data[i], 8);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    [Obsolete("Do not use this method, will be removed")]
+    public byte[] ReadBytes(int lenght)
+    {
+      var data = new byte[lenght];
+      for (int i = 0; i < lenght; i++)
+        data[i] = (byte)Read(8);
+
+      return data;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void ReadArray(uint[] data, int size)
+    {
+      var used = _read & 0x0000001F;
+      var index = _read >> 5;
+      var limit = (size + 32 - 1) / 32;
+      var capacity = size;
+
+      for (int i = 0; i < limit; i++)
+      {
+        var dataSize = capacity > 32 ? 32 : capacity;
+        var mask = (1UL << dataSize) - 1;
+        var bucketRaw = (ulong)_buckets[index];
+        if (index + 1 < _buckets.Length)
+          bucketRaw |= (ulong)_buckets[index + 1] << 32;
+
+        var bucket = bucketRaw >> used;
+        var result = bucket & mask;
+
+        data[i] = (uint)result;
+        if (i + 1 < data.Length)
+          data[i + 1] = (uint)(result >> 32);
+
+        index += 1;
+        capacity -= dataSize;
+      }
+
+      _read += size;
+    }
+
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void WriteArray(uint[] data, int size)
+    {
+      var used = _write & 0x0000001F;
+      var index = _write >> 5;
+      var limit = (size + 32 - 1) / 32;
+
+      if (index + limit >= _buckets.Length)
+        Resize(size);
+
+      for (var i = 0; i < limit; i += 1)
+      {
+        var prepared = (ulong)data[i] << used;
+        var mask = (1UL << used) - 1;
+        var scratch = _buckets[index] & mask;
+        var result = scratch | prepared;
+
+        _buckets[index] = (uint)result;
+        _buckets[index + 1] = (uint)(result >> 32);
+
+        index += 1;
+      }
+
+      _write += size;
+    }
+
+    public void Clear()
+    {
+      _read = 0;
+      _write = 0;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void FromBuffer(RagonBuffer buffer, int size)
+    {
+      WriteArray(buffer._buckets, size);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public void ToBuffer(RagonBuffer buffer, int size)
+    {
+      ReadArray(buffer._buckets, size);
+    }
+
+    public void FromArray(byte[] data)
+    {
+      var length = data.Length;
+      var bucketsCount = length / 4 + 1;
+
+      if (_buckets.Length < bucketsCount)
+        _buckets = new uint[bucketsCount];
+
+      for (var i = 0; i < bucketsCount; i++)
+      {
+        var dataIdx = i * 4;
+        var bucket = 0u;
+
+        if (dataIdx < length)
+          bucket = data[dataIdx];
+
+        if (dataIdx + 1 < length)
+          bucket |= (uint)data[dataIdx + 1] << 8;
+
+        if (dataIdx + 2 < length)
+          bucket |= (uint)data[dataIdx + 2] << 16;
+
+        if (dataIdx + 3 < length)
+          bucket |= (uint)data[dataIdx + 3] << 24;
+
+        _buckets[i] = bucket;
+      }
+
+      int positionInByte = Bits.FindBitPosition(data[length - 1]);
+
+      _write = ((length - 1) * 8) + positionInByte;
+      _read = 0;
+    }
+
+    public byte[] ToArray()
+    {
+      var data = new byte[Length];
+      int bucketsCount = (_write >> 5) + 1;
+      int length = data.Length;
+
+      for (int i = 0; i < bucketsCount; i++)
+      {
+        int dataIdx = i * 4;
+        uint bucket = _buckets[i];
+
+        if (dataIdx < length)
+          data[dataIdx] = (byte)(bucket);
+
+        if (dataIdx + 1 < length)
+          data[dataIdx + 1] = (byte)(bucket >> 8);
+
+        if (dataIdx + 2 < length)
+          data[dataIdx + 2] = (byte)(bucket >> 16);
+
+        if (dataIdx + 3 < length)
+          data[dataIdx + 3] = (byte)(bucket >> 24);
+      }
+
+      return data;
+    }
+
+    private void Resize(int capacity)
+    {
+      var buckets = new uint[_buckets.Length * 2 + capacity];
+      Array.Copy(_buckets, buckets, _buckets.Length);
+      _buckets = buckets;
+    }
+  }
+}

Ragon.Protocol/Sources/RagonDisconnect.cs

@@ -0,0 +1,9 @@
+namespace Ragon.Protocol
+{
+  public enum RagonDisconnect
+  {
+    MANUAL,
+    TIMEOUT,
+    SERVER,
+  }
+}

Ragon.Protocol/Sources/RagonOperation.cs

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public enum RagonOperation: byte
+  {
+    AUTHORIZE,
+    AUTHORIZED_SUCCESS,
+    AUTHORIZED_FAILED,
+    JOIN_OR_CREATE_ROOM,
+    CREATE_ROOM,
+    JOIN_ROOM,
+    LEAVE_ROOM,
+    OWNERSHIP_ENTITY_CHANGED,
+    OWNERSHIP_ROOM_CHANGED,
+    JOIN_SUCCESS,
+    JOIN_FAILED,
+    LOAD_SCENE,
+    SCENE_LOADED,
+    PLAYER_JOINED,
+    PLAYER_LEAVED,
+    CREATE_ENTITY,
+    REMOVE_ENTITY,
+    SNAPSHOT,
+    REPLICATE_ENTITY_STATE,
+    REPLICATE_ENTITY_EVENT,
+    TRANSFER_ROOM_OWNERSHIP,
+    TRANSFER_ENTITY_OWNERSHIP,
+  }
+}

Ragon.Protocol/Sources/RagonReplicationMode.cs

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public enum RagonReplicationMode: byte
+  {
+    Local,
+    Server,
+    LocalAndServer,
+    Buffered,
+  }
+}

Ragon.Protocol/Sources/RagonRoomParameters.cs

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public class RagonRoomParameters: IRagonSerializable
+  {
+    public string Scene { get; set; }
+    public int Min { get; set; } 
+    public int Max { get; set; } 
+    
+    public void Serialize(RagonBuffer buffer)
+    {
+      buffer.WriteString(Scene);
+      buffer.WriteInt(Min, 1, 32);
+      buffer.WriteInt(Max, 1, 32);
+    }
+
+    public void Deserialize(RagonBuffer buffer)
+    {
+      Scene = buffer.ReadString();
+      Min = buffer.ReadInt(1, 32);
+      Max = buffer.ReadInt(1, 32);
+    }
+  }
+}

Ragon.Protocol/Sources/RagonSerializable.cs

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public interface IRagonSerializable
+  {
+    public void Serialize(RagonBuffer buffer);
+    public void Deserialize(RagonBuffer buffer);
+  }
+}

Ragon.Protocol/Sources/RagonTarget.cs

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public enum RagonTarget: byte
+  {
+    Owner,
+    ExceptOwner,
+    ExceptInvoker,
+    All,
+    Player,
+  }
+}

Ragon.Protocol/Sources/RagonUtils.cs

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+using System.Runtime.CompilerServices;
+
+namespace Ragon.Protocol
+{
+  public static class DeBruijn
+  {
+    private static readonly int[] _lookup = new int[32]
+    {
+      0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30,
+      8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31
+    };
+
+    public static int Log2(uint value)
+    {
+      value |= value >> 1;
+      value |= value >> 2;
+      value |= value >> 4;
+      value |= value >> 8;
+      value |= value >> 16;
+
+      return _lookup[(value * 0x07C4ACDDU) >> 27];
+    }
+  }
+  
+  public static class Bits
+  {
+    static int[] _lookup = new int[256];
+
+    static Bits()
+    {
+      _lookup[0] = 0;
+      for (int i = 0; i < 256; i++)
+        _lookup[i] = (i & 1) + _lookup[i / 2];
+    }
+
+    [MethodImpl(256)]
+    public static int Compute(int value)
+    {
+      var count = 0;
+      do
+      {
+        value >>= 8;
+        count += 8;
+      } while (value > 0);
+
+      return count;
+    }
+
+    [MethodImpl(256)]
+    public static int FindBitPosition(byte data)
+    {
+      int shiftCount = 0;
+
+      while (data > 0)
+      {
+        data >>= 1;
+        shiftCount++;
+      }
+
+      return shiftCount;
+    }
+  }
+}

Ragon.Protocol/Sources/RagonVersion.cs

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Ragon.Protocol
+{
+  public static class RagonVersion
+  {
+    public static uint Parse(string version)
+    {
+      var strings = version.Split('.');
+      if (strings.Length < 3)
+        return 0;
+      
+      var parts = new uint[] {0, 0, 0};
+      for (int i = 0; i < parts.Length; i++)
+      {
+        if (!uint.TryParse(strings[i], out var v))
+          return 0;
+
+        parts[i] = v;
+      }
+      
+      return (parts[0] << 16) | (parts[1] << 8) | parts[2];
+    }
+
+    public static string Parse(uint version)
+    {
+      return (version >> 16 & 0xFF) + "." + (version >> 8 & 0xFF) + "." + (version & 0xFF);
+    }
+  }
+}

Ragon.Relay/Dockerfile

@@ -0,0 +1,16 @@
+FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build-env
+
+WORKDIR /App
+
+COPY . ./
+
+RUN dotnet restore
+RUN dotnet publish -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/runtime:7.0
+
+WORKDIR /App
+
+COPY --from=build-env /App/out .
+
+ENTRYPOINT ["Ragon.Relay"]

Ragon.Relay/Program.cs

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2023 Eduard Kargin <kargin.eduard@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Ragon.Relay
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var relay = new Relay();
+            relay.Start();
+        }
+    }
+}

Ragon.Relay/Ragon.Relay.csproj

@@ -2,8 +2,8 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net6.0</TargetFramework>
+        <RootNamespace>Ragon.Relay</RootNamespace>
-        <RootNamespace>Game</RootNamespace>
+        <TargetFramework>net7.0</TargetFramework>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
@@ -14,13 +14,18 @@
       <None Update="NLog.config">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </None>
-      <None Update="config.json">
+      <None Update="relay.config.json">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+      <None Update="libenet.dylib">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </None>
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\Ragon\Ragon.csproj" />
+      <ProjectReference Include="..\Ragon.Server.ENet\Ragon.Server.ENet.csproj" />
+      <ProjectReference Include="..\Ragon.Server.WebSocketServer\Ragon.Server.WebSocketServer.csproj" />
+      <ProjectReference Include="..\Ragon.Server\Ragon.Server.csproj" />
     </ItemGroup>
 
 </Project>