wip

Ragon.Client.Property/Sources/RagonBool.cs

@@ -17,7 +17,7 @@
 
 using Ragon.Protocol;
 
-namespace Ragon.Client.Simulation
+namespace Ragon.Client.Property
 {
   [Serializable]
   public class RagonBool : RagonProperty

Ragon.Client.Property/Sources/RagonInt.cs

@@ -17,7 +17,7 @@
 
 using Ragon.Protocol;
 
-namespace Ragon.Client.Simulation
+namespace Ragon.Client.Property
 {
   [Serializable]
   public class RagonInt : RagonProperty

Ragon.Client.Property/Sources/RagonQuaternion.cs

@@ -0,0 +1,76 @@
+/*
+ * 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.Numerics;
+using Ragon.Client.Compressor;
+using Ragon.Protocol;
+
+namespace Ragon.Client.Property;
+
+public class RagonQuaternion : RagonProperty
+{
+  private Quaternion _value;
+
+  public Quaternion Value
+  {
+    get => _value;
+    set
+    {
+      _value = value;
+
+      MarkAsChanged();
+    }
+  }
+
+  private readonly FloatCompressor _compressor;
+
+  public RagonQuaternion(bool invokeLocal = false, int priority = 0) : base(priority, invokeLocal)
+  {
+    _compressor = new FloatCompressor(-1.0f, 1f, 0.01f);
+
+    SetFixedSize(_compressor.RequiredBits * 4);
+  }
+
+  public override void Serialize(RagonBuffer buffer)
+  {
+    var compressedX = _compressor.Compress(_value.X);
+    var compressedY = _compressor.Compress(_value.Y);
+    var compressedZ = _compressor.Compress(_value.Z);
+    var compressedW = _compressor.Compress(_value.W);
+
+    buffer.Write(compressedX, _compressor.RequiredBits);
+    buffer.Write(compressedY, _compressor.RequiredBits);
+    buffer.Write(compressedZ, _compressor.RequiredBits);
+    buffer.Write(compressedW, _compressor.RequiredBits);
+  }
+
+  public override void Deserialize(RagonBuffer buffer)
+  {
+    var compressedX = buffer.Read(_compressor.RequiredBits);
+    var compressedY = buffer.Read(_compressor.RequiredBits);
+    var compressedZ = buffer.Read(_compressor.RequiredBits);
+    var compressedW = buffer.Read(_compressor.RequiredBits);
+
+    var x = _compressor.Decompress(compressedX);
+    var y = _compressor.Decompress(compressedY);
+    var z = _compressor.Decompress(compressedZ);
+    var w = _compressor.Decompress(compressedW);
+
+    _value = new Quaternion(x, y, z, w);
+
+    InvokeChanged();
+  }
+}

Ragon.Client.Property/Sources/RagonString.cs

@@ -18,7 +18,7 @@
 using System.Text;
 using Ragon.Protocol;
 
-namespace Ragon.Client.Simulation
+namespace Ragon.Client.Property
 {
   [Serializable]
   public class RagonString : RagonProperty

Ragon.Client.Property/Sources/RagonVector3.cs

@@ -0,0 +1,330 @@
+/*
+ * 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;
+using System.Numerics;
+using Ragon.Client.Compressor;
+using Ragon.Protocol;
+
+namespace Ragon.Client.Property
+{
+  [Serializable]
+  public enum RagonAxis
+  {
+    XYZ,
+    XY,
+    YZ,
+    XZ,
+    X,
+    Y,
+    Z
+  }
+
+  [Serializable]
+  public class RagonVector3 : RagonProperty
+  {
+    private Vector3 _value;
+
+    public Vector3 Value
+    {
+      get => _value;
+      set
+      {
+        _value = value;
+        
+        MarkAsChanged();
+      }
+    }
+
+    private RagonAxis _axis;
+    private FloatCompressor _compressorX;
+    private FloatCompressor _compressorY;
+    private FloatCompressor _compressorZ;
+
+
+    public RagonVector3(
+      RagonAxis axis = RagonAxis.XYZ,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _axis = axis;
+
+      var defaultCompressor = new FloatCompressor(-1024.0f, 1024f, 0.01f);
+
+      _compressorX = defaultCompressor;
+      _compressorY = defaultCompressor;
+      _compressorZ = defaultCompressor;
+
+      switch (_axis)
+      {
+        case RagonAxis.XYZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.XY:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits);
+          break;
+        case RagonAxis.XZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.YZ:
+          SetFixedSize(_compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.X:
+          SetFixedSize(_compressorX.RequiredBits);
+          break;
+        case RagonAxis.Y:
+          SetFixedSize(_compressorY.RequiredBits);
+          break;
+        case RagonAxis.Z:
+          SetFixedSize(_compressorZ.RequiredBits);
+          break;
+      }
+    }
+
+    public RagonVector3(
+      Vector3 initialValue,
+      RagonAxis axis = RagonAxis.XYZ,
+      float min = -1024.0f,
+      float max = 1024.0f,
+      float precision = 0.1f,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _value = initialValue;
+      _axis = axis;
+      
+      var defaultCompressor = new FloatCompressor(min, max, precision);
+
+      _compressorX = defaultCompressor;
+      _compressorY = defaultCompressor;
+      _compressorZ = defaultCompressor;
+
+      switch (_axis)
+      {
+        case RagonAxis.XYZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.XY:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits);
+          break;
+        case RagonAxis.XZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.YZ:
+          SetFixedSize(_compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.X:
+          SetFixedSize(_compressorX.RequiredBits);
+          break;
+        case RagonAxis.Y:
+          SetFixedSize(_compressorY.RequiredBits);
+          break;
+        case RagonAxis.Z:
+          SetFixedSize(_compressorZ.RequiredBits);
+          break;
+      }
+    }
+
+    public RagonVector3(
+      RagonAxis axis = RagonAxis.XYZ,
+      FloatCompressor compressorX = null,
+      FloatCompressor compressorY = null,
+      FloatCompressor compressorZ = null,
+      bool invokeLocal = true,
+      int priority = 0
+    ) : base(priority, invokeLocal)
+    {
+      _axis = axis;
+
+      var defaultCompressor = new FloatCompressor(-1024.0f, 1024f, 0.01f);
+
+      _compressorX = defaultCompressor;
+      _compressorY = defaultCompressor;
+      _compressorZ = defaultCompressor;
+
+      if (compressorX != null)
+        _compressorX = compressorX;
+
+      if (compressorY != null)
+        _compressorY = compressorY;
+
+      if (compressorZ != null)
+        _compressorZ = compressorZ;
+
+      switch (_axis)
+      {
+        case RagonAxis.XYZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.XY:
+          SetFixedSize(_compressorX.RequiredBits + _compressorY.RequiredBits);
+          break;
+        case RagonAxis.XZ:
+          SetFixedSize(_compressorX.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.YZ:
+          SetFixedSize(_compressorY.RequiredBits + _compressorZ.RequiredBits);
+          break;
+        case RagonAxis.X:
+          SetFixedSize(_compressorX.RequiredBits);
+          break;
+        case RagonAxis.Y:
+          SetFixedSize(_compressorY.RequiredBits);
+          break;
+        case RagonAxis.Z:
+          SetFixedSize(_compressorZ.RequiredBits);
+          break;
+      }
+    }
+
+    public override void Serialize(RagonBuffer buffer)
+    {
+      switch (_axis)
+      {
+        case RagonAxis.XYZ:
+        {
+          var compressedX = _compressorX.Compress(_value.X);
+          var compressedY = _compressorY.Compress(_value.Y);
+          var compressedZ = _compressorZ.Compress(_value.Z);
+
+          buffer.Write(compressedX, _compressorX.RequiredBits);
+          buffer.Write(compressedY, _compressorY.RequiredBits);
+          buffer.Write(compressedZ, _compressorZ.RequiredBits);
+        }
+          break;
+        case RagonAxis.XY:
+        {
+          var compressedX = _compressorX.Compress(_value.X);
+          var compressedY = _compressorY.Compress(_value.Y);
+          
+          buffer.Write(compressedX, _compressorX.RequiredBits);
+          buffer.Write(compressedY, _compressorY.RequiredBits);
+        }
+          break;
+        case RagonAxis.XZ:
+        {
+          var compressedX = _compressorX.Compress(_value.X);
+          var compressedZ = _compressorZ.Compress(_value.Z);
+
+          buffer.Write(compressedX, _compressorX.RequiredBits);
+          buffer.Write(compressedZ, _compressorZ.RequiredBits);
+          break;
+        }
+
+        case RagonAxis.YZ:
+        {
+          var compressedY = _compressorY.Compress(_value.Y);
+          var compressedZ = _compressorZ.Compress(_value.Z);
+
+          buffer.Write(compressedY, _compressorY.RequiredBits);
+          buffer.Write(compressedZ, _compressorZ.RequiredBits);
+          break;
+        }
+        case RagonAxis.X:
+        {
+          var compressedX = _compressorX.Compress(_value.X);
+
+          buffer.Write(compressedX, _compressorX.RequiredBits);
+          break;
+        }
+        case RagonAxis.Y:
+        {
+          var compressedY = _compressorY.Compress(_value.Y);
+          
+          buffer.Write(compressedY, _compressorY.RequiredBits);
+          break;
+        }
+        case RagonAxis.Z:
+        {
+          var compressedZ = _compressorZ.Compress(_value.Z);
+          
+          buffer.Write(compressedZ, _compressorZ.RequiredBits);
+          break;
+        }
+      }
+    }
+
+    public override void Deserialize(RagonBuffer buffer)
+    {
+      switch (_axis)
+      {
+        case RagonAxis.XYZ:
+        {
+          var compressedX = buffer.Read(_compressorX.RequiredBits);
+          var compressedY = buffer.Read(_compressorY.RequiredBits);
+          var compressedZ = buffer.Read(_compressorZ.RequiredBits);
+
+          _value.X = _compressorX.Decompress(compressedX);
+          _value.Y = _compressorY.Decompress(compressedY);
+          _value.Z = _compressorZ.Decompress(compressedZ);
+          break;
+        }
+        case RagonAxis.XY:
+        {
+          var compressedX = buffer.Read(_compressorX.RequiredBits);
+          var compressedY = buffer.Read(_compressorY.RequiredBits);
+
+          _value.X = _compressorX.Decompress(compressedX);
+          _value.Z = _compressorY.Decompress(compressedY);
+          break;
+        }
+        case RagonAxis.XZ:
+        {
+          var compressedX = buffer.Read(_compressorX.RequiredBits);
+          var compressedZ = buffer.Read(_compressorZ.RequiredBits);
+
+          _value.X = _compressorX.Decompress(compressedX);
+          _value.Z = _compressorZ.Decompress(compressedZ);
+          break;
+        }
+        case RagonAxis.YZ:
+        {
+          var compressedY = buffer.Read(_compressorY.RequiredBits);
+          var compressedZ = buffer.Read(_compressorZ.RequiredBits);
+
+          _value.Y = _compressorY.Decompress(compressedY);
+          _value.Z = _compressorZ.Decompress(compressedZ);
+          break;
+        }
+        case RagonAxis.X:
+        {
+          var compressedX = buffer.Read(_compressorX.RequiredBits);
+
+          _value.X = _compressorX.Decompress(compressedX);
+          break;
+        }
+        case RagonAxis.Y:
+        {
+          var compressedY = buffer.Read(_compressorY.RequiredBits);
+
+          _value.Y = _compressorY.Decompress(compressedY);
+          break;
+        }
+        case RagonAxis.Z:
+        {
+          var compressedZ = buffer.Read(_compressorZ.RequiredBits);
+
+          _value.Z = _compressorZ.Decompress(compressedZ);
+          break;
+        }
+      }
+
+      InvokeChanged();
+    }
+  }
+}

Ragon.Client/Ragon.Client.csproj

@@ -12,7 +12,7 @@
     <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
       <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
       <DebugType>none</DebugType>
-      <OutputPath>/Users/edmand46/RagonProjects/ragon-oss-examples/Assets/Ragon/Plugins/</OutputPath>
+      <OutputPath>/Users/edmand46/RagonProjects/ragon-oss-examples/Assets/Ragon/Plugins/netstandard2.0/</OutputPath>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">

Ragon.Client/Sources/Handler/AuthorizeFailedHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class AuthorizeFailedHandler: Handler
+internal class AuthorizeFailedHandler: IHandler
 {
   private readonly RagonListenerList _listenerList;
   public AuthorizeFailedHandler(RagonListenerList list)

Ragon.Client/Sources/Handler/AuthorizeSuccessHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class AuthorizeSuccessHandler: Handler
+internal  class AuthorizeSuccessHandler: IHandler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonClient _client;

Ragon.Client/Sources/Handler/EntityCreateHandler.cs

@@ -18,7 +18,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class EntityCreateHandler : Handler
+internal  class EntityCreateHandler : IHandler
 {
   private readonly RagonClient _client;
   private readonly RagonPlayerCache _playerCache;

Ragon.Client/Sources/Handler/EntityEventHandler.cs

@@ -18,19 +18,16 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class EntityEventHandler : Handler
+internal class EntityEventHandler : IHandler
 {
-    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;
     }

Ragon.Client/Sources/Handler/EntityOwnershipHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class EntityOwnershipHandler: Handler
+internal class EntityOwnershipHandler: IHandler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonPlayerCache _playerCache;

Ragon.Client/Sources/Handler/EntityRemoveHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class EntityRemoveHandler: Handler
+internal  class EntityRemoveHandler: IHandler
 {
   private readonly RagonEntityCache _entityCache;
   

Ragon.Client/Sources/Handler/EntityStateHandler.cs

@@ -18,7 +18,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class StateEntityHandler: Handler
+internal class StateEntityHandler: IHandler
 {
   private readonly RagonEntityCache _entityCache;
   

Ragon.Client/Sources/Handler/EventRoomHandler.cs

@@ -0,0 +1,53 @@
+/*
+ * 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 EventRoomHandler: IHandler
+{
+  private readonly RagonClient _client;
+  private readonly RagonPlayerCache _playerCache;
+  
+  public EventRoomHandler(
+    RagonClient client,
+    RagonPlayerCache playerCache
+  )
+  {
+    _client = client;
+    _playerCache = playerCache;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var eventCode = buffer.ReadUShort();
+    var peerId = buffer.ReadUShort();
+    var executionMode = (RagonReplicationMode)buffer.ReadByte();
+    
+    var player = _playerCache.GetPlayerByPeer(peerId);
+    if (player == null)
+    {
+      RagonLog.Warn($"Player not found for event {eventCode}");
+      return;
+    }
+
+    if (player.IsLocal && executionMode == RagonReplicationMode.LocalAndServer)
+      return;
+
+    _client.Room.Event(eventCode, player, buffer); 
+  }
+}

Ragon.Client/Sources/Handler/IHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-public interface Handler
+public interface IHandler
 {
   public void Handle(RagonBuffer buffer);
 }

Ragon.Client/Sources/Handler/JoinFailedHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class JoinFailedHandler: Handler
+internal  class JoinFailedHandler: IHandler
 {
   private readonly RagonListenerList _listenerList;
   

Ragon.Client/Sources/Handler/JoinSuccessHandler.cs

@@ -37,7 +37,7 @@ public struct RagonRoomInformation
   public ushort Max { get; private set; }
 }
 
-internal class JoinSuccessHandler : Handler
+internal class JoinSuccessHandler : IHandler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonPlayerCache _playerCache;
@@ -46,7 +46,6 @@ internal class JoinSuccessHandler : Handler
 
   public JoinSuccessHandler(
     RagonClient client,
-    RagonBuffer buffer,
     RagonListenerList listenerList,
     RagonPlayerCache playerCache,
     RagonEntityCache entityCache

Ragon.Client/Sources/Handler/LeaveRoomHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class LeaveRoomHandler : Handler
+internal  class LeaveRoomHandler : IHandler
 {
   private readonly RagonClient _client;
   private readonly RagonListenerList _listenerList;

Ragon.Client/Sources/Handler/LoadSceneHandler.cs

@@ -18,7 +18,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class SceneLoadHandler: Handler
+internal class SceneLoadHandler: IHandler
 {
   private readonly RagonClient _client;
   private readonly RagonListenerList _listenerList;

Ragon.Client/Sources/Handler/OwnershipRoomHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class OwnershipRoomHandler: Handler
+internal  class OwnershipRoomHandler: IHandler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonPlayerCache _playerCache;

Ragon.Client/Sources/Handler/PlayerJoinHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class PlayerJoinHandler : Handler
+internal class PlayerJoinHandler : IHandler
 {
   private RagonPlayerCache _playerCache;
   private RagonListenerList _listenerList;

Ragon.Client/Sources/Handler/PlayerLeftHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class PlayerLeftHandler : Handler
+internal class PlayerLeftHandler : IHandler
 {
   private RagonPlayerCache _playerCache;
   private RagonEntityCache _entityCache;

Ragon.Client/Sources/Handler/SnapshotHandler.cs

@@ -20,7 +20,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class SnapshotHandler : Handler
+internal class SnapshotHandler : IHandler
 {
   private readonly IRagonEntityListener _entityListener;
   private readonly RagonClient _client;

Ragon.Client/Sources/Handler/TimestampHandler.cs

@@ -0,0 +1,21 @@
+using Ragon.Protocol;
+
+namespace Ragon.Client;
+
+public class TimestampHandler: IHandler
+{
+  private readonly RagonClient _client;
+  public TimestampHandler(RagonClient client)
+  {
+    _client = client;
+  }
+  
+  public void Handle(RagonBuffer buffer)
+  {
+    var timestamp0 = buffer.Read(32); 
+    var timestamp1 = buffer.Read(32);
+    var value = new DoubleToUInt { Int0 = timestamp0, Int1 = timestamp1 };
+    
+    _client.SetTimestamp(value.Double);
+  }
+}

Ragon.Client/Sources/IRagonConnection.cs

@@ -18,5 +18,5 @@ namespace Ragon.Client;
 
 public interface IRagonConnection
 {
- 
+  public void Close();
 }

Ragon.Client/Sources/RagonClient.cs

@@ -24,7 +24,7 @@ namespace Ragon.Client
     private readonly NetworkStatistics _stats;
     private IRagonEntityListener _entityListener;
     private IRagonSceneCollector _sceneCollector;
-    private Handler[] _handlers;
+    private IHandler[] _handlers;
     private RagonBuffer _readBuffer;
     private RagonBuffer _writeBuffer;
     private RagonRoom _room;
@@ -35,9 +35,11 @@ namespace Ragon.Client
     private RagonEventCache _eventCache;
     private RagonStatus _status;
 
+    private double _serverTimestamp;
     private float _replicationRate = 0;
     private float _replicationTime = 0;
 
+    public double ServerTimestamp => _serverTimestamp;
     public IRagonConnection Connection => _connection;
     public RagonStatus Status => _status;
     public RagonSession Session => _session;
@@ -46,6 +48,7 @@ namespace Ragon.Client
     public NetworkStatistics Statistics => _stats;
     public RagonRoom Room => _room;
 
+
     internal RagonBuffer Buffer => _writeBuffer;
     internal INetworkChannel Reliable => _connection.Reliable;
     internal INetworkChannel Unreliable => _connection.Unreliable;
@@ -96,15 +99,15 @@ namespace Ragon.Client
 
       _writeBuffer = new RagonBuffer();
       _readBuffer = new RagonBuffer();
-      _session = new RagonSession(this, _readBuffer);
+      _session = new RagonSession(this, _writeBuffer);
 
       _playerCache = new RagonPlayerCache();
       _entityCache = new RagonEntityCache(this, _playerCache, _sceneCollector);
 
-      _handlers = new Handler[byte.MaxValue];
+      _handlers = new IHandler[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_SUCCESS] = new JoinSuccessHandler(this, 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);
@@ -115,8 +118,10 @@ namespace Ragon.Client
       _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.REPLICATE_ENTITY_EVENT] = new EntityEventHandler(_playerCache, _entityCache);
       _handlers[(byte)RagonOperation.SNAPSHOT] = new SnapshotHandler(this, listeners, _entityCache, _playerCache, _entityListener);
+      _handlers[(byte)RagonOperation.REPLICATE_RAW_DATA] = new EventRoomHandler(this, _playerCache);
+      _handlers[(byte)RagonOperation.TIMESTAMP_SYNCHRONIZATION] = new TimestampHandler(this);
 
       var protocolRaw = RagonVersion.Parse(protocol);
       _connection.Connect(address, port, protocolRaw);
@@ -138,8 +143,10 @@ namespace Ragon.Client
         _replicationTime += dt;
         if (_replicationTime >= _replicationRate)
         {
-          _entityCache.WriteState(_readBuffer);
           _replicationTime = 0;
+          _entityCache.WriteState(_writeBuffer);
+
+          SendTimestamp();
         }
 
         _stats.Update(_connection.BytesSent, _connection.BytesReceived, _connection.Ping, dt);
@@ -194,10 +201,29 @@ namespace Ragon.Client
       _status = status;
     }
 
+    internal void SetTimestamp(double time)
+    {
+      _serverTimestamp = time;
+    }
+
     #endregion
 
     #region PRIVATE
 
+    private void SendTimestamp()
+    {
+      var timestamp = RagonTime.CurrentTimestamp();
+      var value = new DoubleToUInt()
+      {
+        Double = timestamp,
+      };
+
+      _writeBuffer.Clear();
+      _writeBuffer.WriteOperation(RagonOperation.TIMESTAMP_SYNCHRONIZATION);
+      _writeBuffer.Write(value.Int0, 32);
+      _writeBuffer.Write(value.Int1, 32);
+    }
+
     private void OnConnected()
     {
       RagonLog.Trace("Connected");
@@ -214,7 +240,7 @@ namespace Ragon.Client
       _status = RagonStatus.DISCONNECTED;
     }
 
-    public void OnData(byte[] data)
+    private void OnData(byte[] data)
     {
       _readBuffer.Clear();
       _readBuffer.FromArray(data);

Ragon.Client/Sources/RagonRoom.cs

@@ -14,16 +14,20 @@
  * limitations under the License.
  */
 
+using Ragon.Protocol;
+
 namespace Ragon.Client
 {
   public class RagonRoom
   {
+    private delegate void OnEventDelegate(RagonPlayer player, RagonBuffer serializer);
+    
     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;
@@ -33,6 +37,9 @@ namespace Ragon.Client
     public RagonPlayer Local => _playerCache.Local;
     public RagonPlayer Owner => _playerCache.Owner;
     
+    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 RagonRoom(RagonClient client,
       RagonEntityCache entityCache,
       RagonPlayerCache playerCache,
@@ -57,8 +64,40 @@ namespace Ragon.Client
       _scene.Update(sceneName);
     }
 
+    internal void Event(ushort eventCode, RagonPlayer caller, RagonBuffer buffer)
+    {
+      if (_events.TryGetValue(eventCode, out var evnt))
+        evnt?.Invoke(caller, buffer);
+      else
+        RagonLog.Warn($"Handler event on entity {Id} with eventCode {eventCode} not defined");
+    }
+    
+    public void OnEvent<TEvent>(Action<RagonPlayer, TEvent> callback) where TEvent : IRagonEvent, new()
+    {
+      var t = new TEvent();
+      var eventCode = _client.Event.GetEventCode(t);
+
+      if (_events.ContainsKey(eventCode))
+      {
+        _events.Remove(eventCode);
+        _localEvents.Remove(eventCode);
+
+        RagonLog.Warn($"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);
+      });
+    }
+
     public void LoadScene(string sceneName) => _scene.Load(sceneName);
     public void SceneLoaded() => _scene.SceneLoaded();
+    
+    public void ReplicateEvent<TEvent>(TEvent evnt, RagonTarget target, RagonReplicationMode mode) where TEvent : IRagonEvent, new() => _scene.ReplicateEvent(evnt, target, mode);
+    public void ReplicateEvent<TEvent>(TEvent evnt, RagonPlayer target, RagonReplicationMode mode) where TEvent : IRagonEvent, new() => _scene.ReplicateEvent(evnt, target, mode);
 
     public void CreateEntity(RagonEntity entity) => CreateEntity(entity, null);
     public void CreateEntity(RagonEntity entity, RagonPayload payload) => _entityCache.Create(entity, payload);

Ragon.Client/Sources/RagonScene.cs

@@ -67,4 +67,39 @@ public class RagonScene
     var sendData = buffer.ToArray();
     _client.Reliable.Send(sendData);
   }
+
+  internal void ReplicateEvent<TEvent>(TEvent evnt, RagonTarget target, RagonReplicationMode replicationMode)
+    where TEvent : IRagonEvent, new()
+  {
+    var evntId = _client.Event.GetEventCode(evnt);
+    var buffer = _client.Buffer;
+    
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.REPLICATE_RAW_DATA);
+    buffer.WriteUShort(evntId);
+    buffer.WriteByte((byte)replicationMode);
+    buffer.WriteByte((byte)target);
+    
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+  
+  internal void ReplicateEvent<TEvent>(TEvent evnt, RagonPlayer target, RagonReplicationMode replicationMode)
+    where TEvent : IRagonEvent, new()
+  {
+    var evntId = _client.Event.GetEventCode(evnt);
+    var buffer = _client.Buffer;
+
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.REPLICATE_RAW_DATA);
+    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);
+  }
 }

Ragon.Protocol/Sources/RagonOperation.cs

@@ -41,5 +41,7 @@ namespace Ragon.Protocol
     REPLICATE_ENTITY_EVENT,
     TRANSFER_ROOM_OWNERSHIP,
     TRANSFER_ENTITY_OWNERSHIP,
+    REPLICATE_RAW_DATA,
+    TIMESTAMP_SYNCHRONIZATION,
   }
 }

Ragon.Protocol/Sources/RagonUtils.cs

@@ -16,9 +16,34 @@
 
 
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 
 namespace Ragon.Protocol
 {
+  [StructLayout(LayoutKind.Explicit)]
+  public struct DoubleToUInt
+  {
+    [FieldOffset(0)]
+    public double Double;
+    
+    [FieldOffset(0)]
+    public uint Int0;
+    
+    [FieldOffset(4)]
+    public uint Int1;
+  }
+  
+  public static class RagonTime {
+    public static double CurrentTimestamp()
+    {
+      var currentTime = System.DateTime.UtcNow.ToUniversalTime().Subtract(
+        new System.DateTime(1970, 1, 1, 0, 0, 0, System.DateTimeKind.Utc)
+      ).TotalMilliseconds;
+      
+      return currentTime; 
+    }
+  }
+  
   public static class DeBruijn
   {
     private static readonly int[] _lookup = new int[32]

Ragon.Relay/Program.cs

@@ -16,12 +16,12 @@
 
 namespace Ragon.Relay
 {
-    class Program
+  class Program
+  {
+    static void Main(string[] args)
     {
-        static void Main(string[] args)
+      var relay = new Relay();
-        {
+      relay.Start();
-            var relay = new Relay();
-            relay.Start();
-        }
     }
+  }
 }

Ragon.Server.ENet/Sources/ENetServer.cs

@@ -21,19 +21,19 @@ using Ragon.Server.IO;
 
 namespace Ragon.Server.ENet
 {
-  public sealed class ENetServer: INetworkServer 
+  public sealed class ENetServer : INetworkServer
   {
     public Executor Executor => _executor;
-    
+
     private readonly Host _host;
     private readonly ILogger _logger = LogManager.GetCurrentClassLogger();
-    
+
     private ENetConnection[] _connections;
     private INetworkListener _listener;
     private uint _protocol;
-    private Event _event;
+    private global::ENet.Event _event;
     private Executor _executor;
-    
+
     public ENetServer()
     {
       _host = new Host();
@@ -44,15 +44,15 @@ namespace Ragon.Server.ENet
     public void Start(INetworkListener listener, NetworkConfiguration configuration)
     {
       Library.Initialize();
-      
+
       _connections = new ENetConnection[configuration.LimitConnections];
-      
+
       _listener = listener;
       _protocol = configuration.Protocol;
-      
+
       var address = new Address
       {
-        Port = (ushort) configuration.Port,
+        Port = (ushort)configuration.Port,
       };
 
       _host.Create(address, _connections.Length, 2, 0, 0, 1024 * 1024);
@@ -74,7 +74,7 @@ namespace Ragon.Server.ENet
 
           polled = true;
         }
-        
+
         switch (_event.Type)
         {
           case EventType.None:
@@ -90,8 +90,9 @@ namespace Ragon.Server.ENet
               _event.Peer.DisconnectNow(0);
               break;
             }
+
             var connection = new ENetConnection(_event.Peer);
-            
+
             _connections[_event.Peer.ID] = connection;
             _listener.OnConnected(connection);
             break;
@@ -110,13 +111,13 @@ namespace Ragon.Server.ENet
           }
           case EventType.Receive:
           {
-            var peerId = (ushort) _event.Peer.ID;
+            var peerId = (ushort)_event.Peer.ID;
             var connection = _connections[peerId];
             var dataRaw = new byte[_event.Packet.Length];
-            
+
             _event.Packet.CopyTo(dataRaw);
             _event.Packet.Dispose();
-            
+
             _listener.OnData(connection, dataRaw);
             break;
           }
@@ -124,10 +125,26 @@ namespace Ragon.Server.ENet
       }
     }
 
+    public void BroadcastReliable(byte[] data)
+    {
+      var packet = new Packet();
+      packet.Create(data, PacketFlags.Reliable);
+      
+      _host.Broadcast(0, ref packet);
+    }
+
+    public void BroadcastUnreliable(byte[] data)
+    {
+      var packet = new Packet();
+      packet.Create(data, PacketFlags.None);
+      
+      _host.Broadcast(1, ref packet);
+    }
+
     public void Stop()
     {
       _host?.Dispose();
-      
+
       Library.Deinitialize();
     }
 

Ragon.Server.WebSocketServer/Sources/WebSocketServer.cs

@@ -102,6 +102,18 @@ public class WebSocketServer : INetworkServer
     Flush();
   }
 
+  public void BroadcastUnreliable(byte[] data)
+  {
+    foreach (var activeConnection in _activeConnections)
+      activeConnection.Unreliable.Send(data);
+  }
+
+  public void BroadcastReliable(byte[] data)
+  {
+    foreach (var activeConnection in _activeConnections)
+      activeConnection.Reliable.Send(data);
+  }
+
   public async void Flush()
   {
     foreach (var conn in _activeConnections)

Ragon.Server/Ragon.Server.csproj

@@ -25,4 +25,5 @@
         <ProjectReference Include="..\Ragon.Protocol\Ragon.Protocol.csproj" />
     </ItemGroup>
 
+
 </Project>

Ragon.Server/Sources/Entity/RagonEntity.cs

@@ -16,6 +16,7 @@
 
 
 using Ragon.Protocol;
+using Ragon.Server.Event;
 using Ragon.Server.Room;
 
 namespace Ragon.Server.Entity;
@@ -117,32 +118,37 @@ public class RagonEntity : IRagonEntity
   {
     buffer.WriteUShort(Type);
     buffer.WriteUShort(Id);
-    
+
     if (StaticId != 0)
       buffer.WriteUShort(StaticId);
-    
+
     buffer.WriteUShort(Owner.Connection.Id);
     buffer.WriteUShort(Payload.Size);
-    
+
     Payload.Write(buffer);
-    
+
     _state.Snapshot(buffer);
   }
 
   public void ReplicateEvent(
-    RagonRoomPlayer caller,
+    RagonRoomPlayer invoker,
     RagonEvent evnt,
     RagonReplicationMode eventMode,
     RagonRoomPlayer targetPlayer
   )
   {
+    if (Authority == RagonAuthority.OwnerOnly && invoker.Connection.Id != Owner.Connection.Id)
+    {
+      return;
+    }
+
     var room = Owner.Room;
     var buffer = room.Writer;
-
+    
     buffer.Clear();
     buffer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
     buffer.WriteUShort(evnt.EventCode);
-    buffer.WriteUShort(caller.Connection.Id);
+    buffer.WriteUShort(invoker.Connection.Id);
     buffer.WriteByte((byte)eventMode);
     buffer.WriteUShort(Id);
 
@@ -153,21 +159,18 @@ public class RagonEntity : IRagonEntity
   }
 
   public void ReplicateEvent(
-    RagonRoomPlayer caller,
+    RagonRoomPlayer invoker,
     RagonEvent evnt,
     RagonReplicationMode eventMode,
     RagonTarget targetMode
   )
   {
-    if (Authority == RagonAuthority.OwnerOnly &&
+    if (Authority == RagonAuthority.OwnerOnly && invoker.Connection.Id != Owner.Connection.Id)
-        Owner.Connection.Id != caller.Connection.Id)
     {
       return;
     }
 
-    if (eventMode == RagonReplicationMode.Buffered &&
+    if (eventMode == RagonReplicationMode.Buffered && targetMode != RagonTarget.Owner && _bufferedEvents.Count < _limitBufferedEvents)
-        targetMode != RagonTarget.Owner &&
-        _bufferedEvents.Count < _limitBufferedEvents)
     {
       _bufferedEvents.Add(evnt);
     }
@@ -178,7 +181,7 @@ public class RagonEntity : IRagonEntity
     buffer.Clear();
     buffer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
     buffer.WriteUShort(evnt.EventCode);
-    buffer.WriteUShort(caller.Connection.Id);
+    buffer.WriteUShort(invoker.Connection.Id);
     buffer.WriteByte((byte)eventMode);
     buffer.WriteUShort(Id);
 
@@ -206,7 +209,7 @@ public class RagonEntity : IRagonEntity
       {
         foreach (var roomPlayer in room.ReadyPlayersList)
         {
-          if (roomPlayer.Connection.Id != caller.Connection.Id)
+          if (roomPlayer.Connection.Id != invoker.Connection.Id)
             roomPlayer.Connection.Reliable.Send(sendData);
         }
 

Ragon.Server/Sources/Event/RagonEvent.cs

@@ -17,7 +17,7 @@
 using Ragon.Protocol;
 using Ragon.Server.Room;
 
-namespace Ragon.Server.Entity;
+namespace Ragon.Server.Event;
 
 public class RagonEvent
 {

Ragon.Server/Sources/Handler/AuthorizationOperation.cs

@@ -17,7 +17,6 @@
 using NLog;
 using Ragon.Protocol;
 using Ragon.Server.Lobby;
-using Ragon.Server.Plugin;
 using Ragon.Server.Plugin.Web;
 
 

Ragon.Server/Sources/Handler/EntityEventOperation.cs

@@ -16,7 +16,7 @@
 
 using NLog;
 using Ragon.Protocol;
-using Ragon.Server.Entity;
+using Ragon.Server.Event;
 
 namespace Ragon.Server.Handler;
 

Ragon.Server/Sources/Handler/EntityOwnershipOperation.cs

@@ -29,7 +29,7 @@ public sealed class EntityOwnershipOperation : IRagonOperation
 
     if (!room.Players.TryGetValue(playerPeerId, out var nextOwner))
     {
-      _logger.Error($"Player not found with id {entityId}");
+      _logger.Error($"Player not found with id {playerPeerId}");
       return;
     }    
     

Ragon.Server/Sources/Handler/TimestampSyncOperation.cs

@@ -0,0 +1,15 @@
+using Ragon.Protocol;
+
+namespace Ragon.Server.Handler;
+
+public class TimestampSyncOperation: IRagonOperation
+{
+  public void Handle(RagonContext context, RagonBuffer reader, RagonBuffer writer)
+  {
+    var timestamp0 = reader.Read(32);
+    var timestamp1 = reader.Read(32);
+    var value = new DoubleToUInt() { Int0 = timestamp0, Int1 = timestamp1 };
+    
+    context.RoomPlayer?.SetTimestamp(value.Double);
+  }
+}

Ragon.Server/Sources/IO/INetworkChannel.cs

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+using Ragon.Protocol;
+
 namespace Ragon.Server.IO;
 
 public interface INetworkChannel

Ragon.Server/Sources/IO/INetworkServer.cs

@@ -21,5 +21,7 @@ public interface INetworkServer
   public Executor Executor { get; }
   public void Stop();
   public void Update();
+  public void BroadcastUnreliable(byte[] data);
+  public void BroadcastReliable(byte[] data);
   public void Start(INetworkListener listener, NetworkConfiguration configuration);
 }

Ragon.Server/Sources/RagonServer.cs

@@ -87,6 +87,8 @@ public class RagonServer : IRagonServer, INetworkListener
     _handlers[(byte) RagonOperation.REPLICATE_ENTITY_STATE] = new EntityStateOperation();
     _handlers[(byte) RagonOperation.TRANSFER_ROOM_OWNERSHIP] = new EntityOwnershipOperation();
     _handlers[(byte) RagonOperation.TRANSFER_ENTITY_OWNERSHIP] = new EntityOwnershipOperation();
+    _handlers[(byte)RagonOperation.REPLICATE_RAW_DATA] = new RoomDataOperation();
+    _handlers[(byte)RagonOperation.TIMESTAMP_SYNCHRONIZATION] = new TimestampSyncOperation();
     
     _logger.Trace($"Server Tick Rate: {_configuration.ServerTickRate}");
   }
@@ -98,8 +100,10 @@ public class RagonServer : IRagonServer, INetworkListener
     {
       if (_timer.ElapsedMilliseconds > _tickRate)
       {
-        _scheduler.Update(_timer.ElapsedMilliseconds / 1000.0f);
         _timer.Restart();
+        _scheduler.Update(_timer.ElapsedMilliseconds / 1000.0f);
+        
+        SendTimestamp();
       }
       
       _executor.Update();
@@ -158,7 +162,7 @@ public class RagonServer : IRagonServer, INetworkListener
     }
     else
     {
-      _logger.Trace($"Disconnected: {connection.Id}");
+      _logger.Trace($"Disconnected without context: {connection.Id}");
     }
   }
 
@@ -190,7 +194,7 @@ public class RagonServer : IRagonServer, INetworkListener
         _writer.Clear();
         _reader.Clear();
         _reader.FromArray(data);
-        
+
         var operation = _reader.ReadByte();
         _handlers[operation].Handle(context, _reader, _writer);
       }
@@ -201,6 +205,23 @@ public class RagonServer : IRagonServer, INetworkListener
     }
   }
 
+  public void SendTimestamp()
+  {
+    var timestamp = RagonTime.CurrentTimestamp();
+    var value = new DoubleToUInt
+    {
+      Double = timestamp,
+    };
+     
+    _writer.Clear();
+    _writer.WriteOperation(RagonOperation.TIMESTAMP_SYNCHRONIZATION);
+    _writer.Write(value.Int0, 32);
+    _writer.Write(value.Int1, 32);
+
+    var sendData = _writer.ToArray();
+    _server.BroadcastUnreliable(sendData);
+  }
+  
   public IRagonOperation ResolveOperation(RagonOperation operation)
   {
     return _handlers[(byte)operation];

Ragon.Server/Sources/Room/RagonRoomPlayer.cs

@@ -25,6 +25,7 @@ public class RagonRoomPlayer
   public string Id { get; }
   public string Name { get; }
   public bool IsLoaded { get; private set; }
+  public double Timestamp { get; private set; }
   public RagonRoom Room { get; private set; }
   public RagonEntityCache Entities { get; private set; }
   
@@ -65,4 +66,9 @@ public class RagonRoomPlayer
   {
     IsLoaded = false;
   }
+
+  internal void SetTimestamp(double time)
+  {
+    Timestamp = time;
+  }
 }

Ragon.Simulation/Ragon.Simulation.csproj

@@ -6,6 +6,7 @@
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+        <RootNamespace>Ragon.Client.Simulation</RootNamespace>
     </PropertyGroup>
 
     <ItemGroup>
@@ -15,6 +16,7 @@
 
     <ItemGroup>
       <PackageReference Include="ENet-CSharp" Version="2.4.8" />
+      <PackageReference Include="Raylib-cs" Version="4.5.0.4" />
     </ItemGroup>
 
     <ItemGroup>
@@ -23,4 +25,8 @@
       </None>
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="Sources\Server\" />
+    </ItemGroup>
+
 </Project>

Ragon.Simulation/Sources/Client/Client.cs

@@ -0,0 +1,143 @@
+using System.Numerics;
+using Raylib_cs;
+using static Raylib_cs.Raylib;
+
+namespace Ragon.Simulation;
+
+public class Client
+{
+  public void Start()
+  {
+     // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [models] example - first person maze");
+
+        // Define the camera to look into our 3d world
+        Camera3D camera = new();
+        camera.Position = new Vector3(0.2f, 0.4f, 0.2f);
+        camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
+        camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
+        camera.FovY = 45.0f;
+        camera.Projection = CameraProjection.CAMERA_PERSPECTIVE;
+
+        Image imMap = LoadImage("resources/cubicmap.png");
+        Texture2D cubicmap = LoadTextureFromImage(imMap);
+        Mesh mesh = GenMeshCubicmap(imMap, new Vector3(1.0f, 1.0f, 1.0f));
+        Model model = LoadModelFromMesh(mesh);
+
+        // NOTE: By default each cube is mapped to one part of texture atlas
+        Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");
+
+        // Set map diffuse texture
+        Raylib.SetMaterialTexture(ref model, 0, MaterialMapIndex.MATERIAL_MAP_ALBEDO, ref texture);
+
+        // Get map image data to be used for collision detection
+        Color* mapPixels = LoadImageColors(imMap);
+        UnloadImage(imMap);
+
+        Vector3 mapPosition = new(-16.0f, 0.0f, -8.0f);
+        Vector3 playerPosition = camera.Position;
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            Vector3 oldCamPos = camera.Position;
+
+            UpdateCamera(ref camera, CameraMode.CAMERA_FIRST_PERSON);
+
+            // Check player collision (we simplify to 2D collision detection)
+            Vector2 playerPos = new(camera.Position.X, camera.Position.Z);
+
+            // Collision radius (player is modelled as a cilinder for collision)
+            float playerRadius = 0.1f;
+
+            int playerCellX = (int)(playerPos.X - mapPosition.X + 0.5f);
+            int playerCellY = (int)(playerPos.Y - mapPosition.Z + 0.5f);
+
+            // Out-of-limits security check
+            if (playerCellX < 0)
+            {
+                playerCellX = 0;
+            }
+            else if (playerCellX >= cubicmap.Width)
+            {
+                playerCellX = cubicmap.Width - 1;
+            }
+
+            if (playerCellY < 0)
+            {
+                playerCellY = 0;
+            }
+            else if (playerCellY >= cubicmap.Height)
+            {
+                playerCellY = cubicmap.Height - 1;
+            }
+
+            // Check map collisions using image data and player position
+            // TODO: Improvement: Just check player surrounding cells for collision
+            for (int y = 0; y < cubicmap.Height; y++)
+            {
+                for (int x = 0; x < cubicmap.Width; x++)
+                {
+                    Color* mapPixelsData = mapPixels;
+
+                    // Collision: Color.white pixel, only check R channel
+                    Rectangle rec = new(
+                        mapPosition.X - 0.5f + x * 1.0f,
+                        mapPosition.Z - 0.5f + y * 1.0f,
+                        1.0f,
+                        1.0f
+                    );
+
+                    bool collision = CheckCollisionCircleRec(playerPos, playerRadius, rec);
+                    if ((mapPixelsData[y * cubicmap.Width + x].R == 255) && collision)
+                    {
+                        // Collision detected, reset camera position
+                        camera.Position = oldCamPos;
+                    }
+                }
+            }
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            // Draw maze map
+            BeginMode3D(camera);
+            DrawModel(model, mapPosition, 1.0f, Color.WHITE);
+            EndMode3D();
+
+            DrawTextureEx(cubicmap, new Vector2(GetScreenWidth() - cubicmap.Width * 4 - 20, 20), 0.0f, 4.0f, Color.WHITE);
+            DrawRectangleLines(GetScreenWidth() - cubicmap.Width * 4 - 20, 20, cubicmap.Width * 4, cubicmap.Height * 4, Color.GREEN);
+
+            // Draw player position radar
+            DrawRectangle(GetScreenWidth() - cubicmap.Width * 4 - 20 + playerCellX * 4, 20 + playerCellY * 4, 4, 4, Color.RED);
+
+            DrawFPS(10, 10);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadImageColors(mapPixels);
+
+        UnloadTexture(cubicmap);
+        UnloadTexture(texture);
+        UnloadModel(model);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+  }
+}

Ragon.Simulation/Sources/Simulation.cs

@@ -1,4 +1,7 @@
-namespace Ragon.Client.Simulation;
+using Ragon.Client;
+using Ragon.Client.Simulation;
+
+namespace Ragon.Simulation;
 
 public class EntityListener : IRagonEntityListener
 {
@@ -24,6 +27,9 @@ public class Simulation
 {
   public void Start()
   {
+    var client = new Ragon.Simulation.Client();
+    client.Start();
+
     // INetworkConnection protocol = debug ? new RagonNullConnection() : new RagonENetConnection();
     // var network = new RagonClient(protocol, new EntityListener(), 30);
     // var game = new Game(network);

Ragon.sln

@@ -12,7 +12,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ragon.Server.ENet", "Ragon.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ragon.Client", "Ragon.Client\Ragon.Client.csproj", "{C82D65BF-6D80-4263-ADFE-CB9ED990B6C3}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ragon.Client.Simulation", "Ragon.Client.Simulation\Ragon.Client.Simulation.csproj", "{0384848D-3B63-4B3A-B15F-A836EBB3E95D}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ragon.Simulation", "Ragon.Simulation\Ragon.Simulation.csproj", "{0384848D-3B63-4B3A-B15F-A836EBB3E95D}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ragon.Client.Property", "Ragon.Client.Property\Ragon.Client.Property.csproj", "{46A60DAB-F854-4BB6-A119-BD4C5B2B0D29}"
 EndProject