fix: replication entity event

Ragon.Common/Sources/RagonAuthority.cs

@@ -2,7 +2,8 @@ namespace Ragon.Common
 {
   public enum RagonAuthority: byte
   {
-    OWNER_ONLY,
-    ALL,
+    None,
+    OwnerOnly,
+    All,
   }
 }

Ragon.Common/Sources/RagonOperation.cs

@@ -15,13 +15,12 @@ namespace Ragon.Common
     JOIN_FAILED,
     
     LOAD_SCENE,
-    SCENE_IS_LOADED,
+    SCENE_LOADED,
 
     PLAYER_JOINED,
     PLAYER_LEAVED,
     
     CREATE_ENTITY,
-    CREATE_SCENE_ENTITY,
     DESTROY_ENTITY,
     SNAPSHOT,
     

Ragon.Common/Sources/RagonReplicationMode.cs

@@ -0,0 +1,10 @@
+namespace Ragon.Common
+{
+  public enum RagonReplicationMode: byte
+  {
+    Local,
+    Server,
+    LocalAndServer,
+    Buffered,
+  }
+}

Ragon.Common/Sources/RagonTarget.cs

@@ -2,8 +2,8 @@ namespace Ragon.Common
 {
   public enum RagonTarget: byte
   {
-    OWNER,
-    EXCEPT_OWNER,
-    ALL,
+    Owner,
+    ExceptOwner,
+    All,
   }
 }

Ragon.SimpleServer/Source/Plugins/EmptyPlugin.cs

@@ -1,4 +1,5 @@
-using Ragon.Core;
+using NLog.Fluent;
+using Ragon.Core;
 
 namespace Game.Source
 {
@@ -17,12 +18,22 @@ namespace Game.Source
    
     public override void OnPlayerJoined(Player player)
     {
-      // _logger.Info($"Player({player.PlayerName}) joined to Room({GameRoom.Id})");
+      // Logger.Info($"Player({player.PlayerName}) joined to Room({Room.Id})");
     }
 
     public override void OnPlayerLeaved(Player player)
     {
-      // _logger.Info($"Player({player.PlayerName}) left from Room({GameRoom.Id})");
+      // Logger.Info($"Player({player.PlayerName}) left from Room({Room.Id})");
+    }
+
+    public override void OnEntityCreated(Player player, Entity entity)
+    {
+      // Logger.Info($"Player({player.PlayerName}) create entity {entity.EntityId}:{entity.EntityType}"); 
+    }
+
+    public override void OnEntityDestroyed(Player player, Entity entity)
+    {
+      // Logger.Info($"Player({player.PlayerName}) destroy entity {entity.EntityId}:{entity.EntityType}");
     }
   }
 }

Ragon.Stress/Program.cs

@@ -101,7 +101,7 @@ namespace Stress
                     simulationClient.InRoom = true;
                     
                     ragonSerializer.Clear();
-                    ragonSerializer.WriteOperation(RagonOperation.SCENE_IS_LOADED);
+                    ragonSerializer.WriteOperation(RagonOperation.SCENE_LOADED);
                     
                     var sendData = ragonSerializer.ToArray();
                     var packet = new Packet();

Ragon/Sources/Authorization/AuthorizationManager.cs

@@ -1,13 +1,13 @@
 using System;
 using System.Collections.Generic;
-using System.Threading.Tasks;
-using NLog.Targets;
+using NLog;
 using Ragon.Common;
 
 namespace Ragon.Core;
 
 public class AuthorizationManager : IAuthorizationManager
 {
+  private Logger _logger = LogManager.GetCurrentClassLogger();
   private IAuthorizationProvider _provider;
   private IGameThread _gameThread;
   private Lobby _lobby;
@@ -27,6 +27,12 @@ public class AuthorizationManager : IAuthorizationManager
 
   public void OnAuthorization(uint peerId, string key, string name)
   {
+    if (_playersByPeers.ContainsKey(peerId))
+    {
+     _logger.Warn($"Connection already authorized {peerId}"); 
+      return;
+    }
+    
     var dispatcher = _gameThread.ThreadDispatcher;
     
     _provider.OnAuthorizationRequest(key, name, Array.Empty<byte>(),

Ragon/Sources/Configuration/ConfigurationLoader.cs

@@ -9,7 +9,7 @@ namespace Ragon.Core
   public static class ConfigurationLoader
   {
     private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
-    private static readonly string _serverVersion = "1.0.13-rc";
+    private static readonly string _serverVersion = "1.0.18-rc";
 
     private static void CopyrightInfo()
     {

Ragon/Sources/Entity/Entity.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Ragon.Common;
 
 namespace Ragon.Core;
@@ -12,9 +13,11 @@ public class Entity
   public ushort OwnerId { get; private set; }
   public RagonAuthority Authority { get; private set; }
   public EntityProperty[] Properties { get; private set; }
+  public List<EntityEvent> BufferedEvents = new List<EntityEvent>();
+
   public byte[] Payload { get; set; }
   
-  public Entity(ushort ownerId, ushort entityType, ushort staticId, RagonAuthority stateAuthority, RagonAuthority eventAuthority, int props)
+  public Entity(ushort ownerId, ushort entityType, ushort staticId, RagonAuthority eventAuthority, int props)
   {
     OwnerId = ownerId;
     StaticId = staticId;
@@ -24,4 +27,47 @@ public class Entity
     Payload = Array.Empty<byte>();
     Authority = eventAuthority;
   }
+
+  public void ReplicateProperties(RagonSerializer serializer)
+  {
+    serializer.WriteUShort(EntityId);
+
+    for (int propertyIndex = 0; propertyIndex < Properties.Length; propertyIndex++)
+    {
+      var property = Properties[propertyIndex];
+      if (property.IsDirty)
+      {
+        serializer.WriteBool(true);
+        var span = serializer.GetWritableData(property.Size);
+        var data = property.Read();
+        data.CopyTo(span);
+        property.Clear();
+      }
+      else
+      {
+        serializer.WriteBool(false);
+      }
+    }
+  }
+  
+  public void Snapshot(RagonSerializer serializer)
+  {
+    for (int propertyIndex = 0; propertyIndex < Properties.Length; propertyIndex++)
+    {
+      var property = Properties[propertyIndex];
+      var hasPayload = property.IsFixed || property.Size > 0 && !property.IsFixed;
+      if (hasPayload)
+      {
+        serializer.WriteBool(true);
+        var span = serializer.GetWritableData(property.Size);
+        var data = property.Read();
+        data.CopyTo(span);
+      }
+      else
+      {
+        serializer.WriteBool(false);
+      }
+    }
+  }
+  
 }

Ragon/Sources/Entity/EntityEvent.cs

@@ -0,0 +1,10 @@
+using Ragon.Common;
+
+namespace Ragon.Core;
+
+public class EntityEvent
+{
+  public ushort EventId { get; set; }
+  public byte[] EventData { get; set; }
+  public RagonTarget Target { set; get; }
+}

Ragon/Sources/Game/GameRoom.cs

@@ -1,11 +1,14 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using NLog;
 using Ragon.Common;
 
 namespace Ragon.Core
 {
+  // TODO: Replace all serialization and packing into dedicated structures
+  // TODO: Split class on different managers
   public class GameRoom : IGameRoom
   {
     public int PlayersMin { get; private set; }
@@ -32,6 +35,7 @@ namespace Ragon.Core
     private HashSet<Entity> _entitiesDirtySet = new HashSet<Entity>();
     private List<Entity> _entitiesDirty = new List<Entity>();
     private List<uint> _peersCache = new List<uint>();
+    private List<uint> _awaitingPeers = new List<uint>();
 
     public GameRoom(IGameThread gameThread, PluginBase pluginBase, string roomId, string map, int min, int max)
     {
@@ -47,24 +51,13 @@ namespace Ragon.Core
       _plugin.Attach(this);
     }
 
-    public void Joined(Player player, ReadOnlySpan<byte> payload)
+    public void AddPlayer(Player player, ReadOnlySpan<byte> payload)
     {
       if (_players.Count == 0)
       {
         _owner = player.PeerId;
       }
 
-      {
-        _serializer.Clear();
-        _serializer.WriteOperation(RagonOperation.PLAYER_JOINED);
-        _serializer.WriteUShort((ushort) player.PeerId);
-        _serializer.WriteString(player.Id);
-        _serializer.WriteString(player.PlayerName);
-
-        var sendData = _serializer.ToArray();
-        Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
-      }
-
       _players.Add(player.PeerId, player);
       _allPlayers = _players.Select(p => p.Key).ToArray();
 
@@ -91,7 +84,7 @@ namespace Ragon.Core
       }
     }
 
-    public void Leave(uint peerId)
+    public void RemovePlayer(uint peerId)
     {
       if (_players.Remove(peerId, out var player))
       {
@@ -105,11 +98,12 @@ namespace Ragon.Core
           _serializer.WriteOperation(RagonOperation.PLAYER_LEAVED);
           _serializer.WriteString(player.Id);
 
-          _serializer.WriteUShort((ushort) player.EntitiesIds.Count);
-          foreach (var entityId in player.EntitiesIds)
+          var entitiesToDelete = player.Entities.Where(e => e.StaticId == 0).ToArray();
+          _serializer.WriteUShort((ushort) entitiesToDelete.Length);
+          foreach (var entity in entitiesToDelete)
           {
-            _serializer.WriteUShort(entityId);
-            _entities.Remove(entityId);
+            _serializer.WriteUShort(entity.EntityId);
+            _entities.Remove(entity.EntityId);
           }
 
           var sendData = _serializer.ToArray();
@@ -134,13 +128,136 @@ namespace Ragon.Core
       }
     }
     
+    // TODO: Move this processing to specialized classes with structures
     public void ProcessEvent(ushort peerId, RagonOperation operation, ReadOnlySpan<byte> payloadRawData)
     {
       _serializer.Clear();
       _serializer.FromSpan(ref payloadRawData);
-
       switch (operation)
       {
+        case RagonOperation.LOAD_SCENE:
+        {
+          var sceneName = _serializer.ReadString();
+          _readyPlayers = Array.Empty<uint>();
+          _entitiesAll = Array.Empty<Entity>();
+          _entities.Clear();
+
+          _serializer.Clear();
+          _serializer.WriteOperation(RagonOperation.LOAD_SCENE);
+          _serializer.WriteString(sceneName);
+
+          var sendData = _serializer.ToArray();
+          Broadcast(_allPlayers, sendData, DeliveryType.Reliable);
+          break;
+        }
+        case RagonOperation.SCENE_LOADED:
+        {
+          var player = _players[peerId];
+          if (peerId == _owner)
+          {
+            var statics = _serializer.ReadUShort();
+            for (var staticIndex = 0; staticIndex < statics; staticIndex++)
+            {
+              var entityType = _serializer.ReadUShort();
+              var entityAuthority = (RagonAuthority) _serializer.ReadByte();
+              var staticId = _serializer.ReadUShort();
+
+              var propertiesCount = _serializer.ReadUShort();
+              var entity = new Entity(peerId, entityType, staticId, entityAuthority, propertiesCount);
+              for (var propertyIndex = 0; propertyIndex < propertiesCount; propertyIndex++)
+              {
+                var propertyType = _serializer.ReadBool();
+                var propertySize = _serializer.ReadUShort();
+                entity.Properties[propertyIndex] = new EntityProperty(propertySize, propertyType);
+              }
+
+              player.Entities.Add(entity);
+              player.EntitiesIds.Add(entity.EntityId);
+
+              _entities.Add(entity.EntityId, entity);
+            }
+
+            _entitiesAll = _entities.Values.ToArray();
+            _logger.Trace($"Scene entities: {statics}");
+
+            _awaitingPeers.Add(peerId);
+
+            foreach (var peer in _awaitingPeers)
+            {
+              var joinedPlayer = _players[peer];
+              joinedPlayer.IsLoaded = true;
+              _plugin.OnPlayerJoined(joinedPlayer);
+              _logger.Trace($"[{_owner}][{peer}] Player {joinedPlayer.Id} restored");
+              {
+                _serializer.Clear();
+                _serializer.WriteOperation(RagonOperation.PLAYER_JOINED);
+                _serializer.WriteUShort((ushort) player.PeerId);
+                _serializer.WriteString(player.Id);
+                _serializer.WriteString(player.PlayerName);
+
+                var sendData = _serializer.ToArray();
+                var readyPlayersWithExcludedPeer = _readyPlayers.Where(p => p != peerId).ToArray();
+                Broadcast(readyPlayersWithExcludedPeer, sendData, DeliveryType.Reliable);
+              }
+            }
+            
+            _readyPlayers = _players.Where(p => p.Value.IsLoaded).Select(p => p.Key).ToArray();
+            foreach (var peer in _awaitingPeers)
+            {
+              ReplicateSnapshot(peer);  
+            }
+            
+            _awaitingPeers.Clear();
+          }
+          else if (GetOwner().IsLoaded)
+          {
+            _logger.Trace($"[{_owner}][{peerId}] Player {player.Id} restored instantly");
+            player.IsLoaded = true;
+            
+            {
+              _serializer.Clear();
+              _serializer.WriteOperation(RagonOperation.PLAYER_JOINED);
+              _serializer.WriteUShort((ushort) player.PeerId);
+              _serializer.WriteString(player.Id);
+              _serializer.WriteString(player.PlayerName);
+
+              var sendData = _serializer.ToArray();
+              var readyPlayersWithExcludedPeer = _readyPlayers.Where(p => p != peerId).ToArray();
+              Broadcast(readyPlayersWithExcludedPeer, sendData, DeliveryType.Reliable);
+            }
+            
+            _readyPlayers = _players.Where(p => p.Value.IsLoaded).Select(p => p.Key).ToArray();
+            _plugin.OnPlayerJoined(player);
+
+            ReplicateSnapshot(peerId);
+            
+            foreach (var (key, value) in _entities)
+            {
+              foreach (var bufferedEvent in value.BufferedEvents)
+              {
+                _serializer.Clear();
+                _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
+                _serializer.WriteUShort(bufferedEvent.EventId);
+                _serializer.WriteUShort(peerId);
+                _serializer.WriteByte((byte) RagonReplicationMode.Server);
+                _serializer.WriteUShort(value.EntityId);
+                
+                ReadOnlySpan<byte> data = bufferedEvent.EventData.AsSpan();
+                _serializer.WriteData(ref data);
+
+                var sendData = _serializer.ToArray();
+                SendEvent(value, bufferedEvent.Target, sendData);
+              }
+            }
+          }
+          else
+          {
+            _logger.Trace($"[{_owner}][{peerId}] Player {player.Id} waiting");
+            _awaitingPeers.Add(peerId);
+          }
+
+          break;
+        }
         case RagonOperation.REPLICATE_ENTITY_STATE:
         {
           var entitiesCount = _serializer.ReadUShort();
@@ -190,176 +307,63 @@ namespace Ragon.Core
         }
         case RagonOperation.REPLICATE_ENTITY_EVENT:
         {
-          var evntId = _serializer.ReadUShort();
-          var evntMode = _serializer.ReadByte();
+          var eventId = _serializer.ReadUShort();
+          var eventMode = (RagonReplicationMode) _serializer.ReadByte();
           var targetMode = (RagonTarget) _serializer.ReadByte();
           var entityId = _serializer.ReadUShort();
           
           if (!_entities.TryGetValue(entityId, out var ent))
+          {
+            _logger.Warn($"Entity not found for event with Id {eventId}");
             return;
+          }
 
-          if (ent.Authority == RagonAuthority.OWNER_ONLY && ent.OwnerId != peerId)
+          if (ent.Authority == RagonAuthority.OwnerOnly && ent.OwnerId != peerId)
+          {
+            _logger.Warn($"Player have not enought authority for event with Id {eventId}");
             return;
+          }
 
           Span<byte> payloadRaw = stackalloc byte[_serializer.Size];
           var payloadData = _serializer.ReadData(_serializer.Size);
           payloadData.CopyTo(payloadRaw);
 
           ReadOnlySpan<byte> payload = payloadRaw;
-          if (_plugin.InternalHandle(peerId, entityId, evntId, ref payload))
+          if (_plugin.InternalHandle(peerId, entityId, eventId, ref payload))
             return;
 
+          if (eventMode == RagonReplicationMode.Buffered && targetMode != RagonTarget.Owner)
+          {
+            var bufferedEvent = new EntityEvent()
+            {
+              EventData = payload.ToArray(),
+              Target = targetMode,
+              EventId = eventId,
+            };
+            ent.BufferedEvents.Add(bufferedEvent);
+          }
+
           _serializer.Clear();
           _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
-          _serializer.WriteUShort(evntId);
-          _serializer.WriteUShort((ushort) peerId);
-          _serializer.WriteByte(evntMode);
+          _serializer.WriteUShort(eventId);
+          _serializer.WriteUShort(peerId);
+          _serializer.WriteByte((byte) eventMode);
           _serializer.WriteUShort(entityId);
           _serializer.WriteData(ref payload);
 
           var sendData = _serializer.ToArray();
-
-          switch (targetMode)
-          {
-            case RagonTarget.OWNER:
-            {
-              Send(ent.OwnerId, sendData, DeliveryType.Reliable);
-              break;
-            }
-            case RagonTarget.EXCEPT_OWNER:
-            {
-              _peersCache.Clear();
-              foreach (var playerPeerId in _readyPlayers)
-                if (playerPeerId != ent.OwnerId)
-                  _peersCache.Add(playerPeerId);
-
-              Broadcast(_peersCache.ToArray(), sendData, DeliveryType.Reliable);
-              break;
-            }
-            case RagonTarget.ALL:
-            {
-              Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
-              break;
-            }
-          }
-
-          break;
-        }
-        case RagonOperation.LOAD_SCENE:
-        {
-          var sceneName = _serializer.ReadString();
-          _readyPlayers = Array.Empty<uint>();
-          _entitiesAll = Array.Empty<Entity>();
-          _entities.Clear();
-
-          _serializer.Clear();
-          _serializer.WriteOperation(RagonOperation.LOAD_SCENE);
-          _serializer.WriteString(sceneName);
-
-          var sendData = _serializer.ToArray();
-          Broadcast(_allPlayers, sendData, DeliveryType.Reliable);
-          break;
-        }
-        case RagonOperation.REPLICATE_EVENT:
-        {
-          var evntId = _serializer.ReadUShort();
-          var evntMode = _serializer.ReadByte();
-          var targetMode = (RagonTarget) _serializer.ReadByte();
-
-          Span<byte> payloadRaw = stackalloc byte[_serializer.Size];
-          var payloadData = _serializer.ReadData(_serializer.Size);
-          payloadData.CopyTo(payloadRaw);
-
-          ReadOnlySpan<byte> payload = payloadRaw;
-          if (_plugin.InternalHandle(peerId, evntId, ref payload))
-            return;
-
-          _serializer.Clear();
-          _serializer.WriteOperation(RagonOperation.REPLICATE_EVENT);
-          _serializer.WriteUShort((ushort) peerId);
-          _serializer.WriteByte(evntMode);
-          _serializer.WriteUShort(evntId);
-          _serializer.WriteData(ref payload);
-
-          var sendData = _serializer.ToArray();
-          switch (targetMode)
-          {
-            case RagonTarget.OWNER:
-            {
-              Send(_owner, sendData, DeliveryType.Reliable);
-              break;
-            }
-            case RagonTarget.EXCEPT_OWNER:
-            {
-              _peersCache.Clear();
-              foreach (var playerPeerId in _readyPlayers)
-                if (playerPeerId != _owner)
-                  _peersCache.Add(playerPeerId);
-
-              Broadcast(_peersCache.ToArray(), sendData, DeliveryType.Reliable);
-              break;
-            }
-            case RagonTarget.ALL:
-            {
-              Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
-              break;
-            }
-          }
-
-          break;
-        }
-        case RagonOperation.CREATE_SCENE_ENTITY:
-        {
-          var entityType = _serializer.ReadUShort();
-          var staticId = _serializer.ReadUShort();
-          var propertiesCount = _serializer.ReadUShort();
-
-          var entity = new Entity(peerId, entityType, staticId, RagonAuthority.ALL, RagonAuthority.OWNER_ONLY, propertiesCount);
-          for (var i = 0; i < propertiesCount; i++)
-          {
-            var propertyType = _serializer.ReadBool();
-            var propertySize = _serializer.ReadUShort();
-            entity.Properties[i] = new EntityProperty(propertySize, propertyType);
-          }
-
-          {
-            var entityPayload = _serializer.ReadData(_serializer.Size);
-            entity.Payload = entityPayload.ToArray();
-          }
-
-          var player = _players[peerId];
-          player.Entities.Add(entity);
-          player.EntitiesIds.Add(entity.EntityId);
-
-          var ownerId = (ushort) peerId;
-
-          _entities.Add(entity.EntityId, entity);
-          _entitiesAll = _entities.Values.ToArray();
-
-          _plugin.OnEntityCreated(player, entity);
-
-          _serializer.Clear();
-          _serializer.WriteOperation(RagonOperation.CREATE_SCENE_ENTITY);
-          _serializer.WriteUShort(entityType);
-          _serializer.WriteUShort(entity.EntityId);
-          _serializer.WriteUShort(staticId);
-          _serializer.WriteUShort(ownerId);
-
-          {
-            ReadOnlySpan<byte> entityPayload = entity.Payload.AsSpan();
-            _serializer.WriteUShort((ushort) entityPayload.Length);
-            _serializer.WriteData(ref entityPayload);
-          }
-
-          var sendData = _serializer.ToArray();
-          Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
+          SendEvent(ent, targetMode, sendData);
           break;
         }
         case RagonOperation.CREATE_ENTITY:
         {
           var entityType = _serializer.ReadUShort();
+          var eventAuthority = (RagonAuthority) _serializer.ReadByte();
           var propertiesCount = _serializer.ReadUShort();
-          var entity = new Entity(peerId, entityType, 0, RagonAuthority.ALL, RagonAuthority.ALL, propertiesCount);
+          
+          _logger.Trace($"[{peerId}] Create Entity {entityType}");
+          
+          var entity = new Entity(peerId, entityType, 0, eventAuthority, propertiesCount);
           for (var i = 0; i < propertiesCount; i++)
           {
             var propertyType = _serializer.ReadBool();
@@ -404,7 +408,7 @@ namespace Ragon.Core
           var entityId = _serializer.ReadInt();
           if (_entities.TryGetValue(entityId, out var entity))
           {
-            if (entity.Authority == RagonAuthority.OWNER_ONLY && entity.OwnerId != peerId)
+            if (entity.Authority == RagonAuthority.OwnerOnly && entity.OwnerId != peerId)
               return;
 
             var player = _players[peerId];
@@ -427,58 +431,6 @@ namespace Ragon.Core
             var sendData = _serializer.ToArray();
             Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
           }
-
-          break;
-        }
-        case RagonOperation.SCENE_IS_LOADED:
-        {
-          _serializer.Clear();
-          _serializer.WriteOperation(RagonOperation.SNAPSHOT);
-
-          _serializer.WriteUShort((ushort) _allPlayers.Length);
-          foreach (var playerPeerId in _allPlayers)
-          {
-            _serializer.WriteString(_players[playerPeerId].Id);
-            _serializer.WriteUShort((ushort) playerPeerId);
-            _serializer.WriteString(_players[playerPeerId].PlayerName);
-          }
-
-          var dynamicEntities = _entitiesAll.Where(e => e.StaticId == 0).ToArray();
-          _serializer.WriteUShort((ushort) dynamicEntities.Length);
-          foreach (var entity in dynamicEntities)
-          {
-            ReadOnlySpan<byte> payload = entity.Payload.AsSpan();
-
-            _serializer.WriteUShort(entity.EntityType);
-            _serializer.WriteUShort(entity.EntityId);
-            _serializer.WriteUShort((ushort) entity.OwnerId);
-            _serializer.WriteUShort((ushort) payload.Length);
-            _serializer.WriteData(ref payload);
-          }
-
-          var staticCount = _entitiesAll.Where(e => e.StaticId != 0).ToArray();
-          _serializer.WriteUShort((ushort) staticCount.Length);
-          foreach (var entity in staticCount)
-          {
-            ReadOnlySpan<byte> payload = entity.Payload.AsSpan();
-
-            _serializer.WriteUShort(entity.EntityType);
-            _serializer.WriteUShort(entity.EntityId);
-            _serializer.WriteUShort(entity.StaticId);
-            _serializer.WriteUShort(entity.OwnerId);
-            _serializer.WriteUShort((ushort) payload.Length);
-            _serializer.WriteData(ref payload);
-          }
-
-          var sendData = _serializer.ToArray();
-          Send(peerId, sendData, DeliveryType.Reliable);
-
-          RestoreProperties(peerId);
-
-          _players[peerId].IsLoaded = true;
-          _readyPlayers = _players.Where(p => p.Value.IsLoaded).Select(p => p.Key).ToArray();
-          _plugin.OnPlayerJoined(_players[peerId]);
-
           break;
         }
       }
@@ -491,36 +443,67 @@ namespace Ragon.Core
       ReplicateProperties();
     }
     
+    // TODO: Move this to specialized class
+    void ReplicateSnapshot(uint peerId)
+    {
+      _serializer.Clear();
+      _serializer.WriteOperation(RagonOperation.SNAPSHOT);
+      _serializer.WriteUShort((ushort) _readyPlayers.Length);
+      foreach (var playerPeerId in _readyPlayers)
+      {
+        _serializer.WriteUShort((ushort) playerPeerId);
+        _serializer.WriteString(_players[playerPeerId].Id);
+        _serializer.WriteString(_players[playerPeerId].PlayerName);
+      }
+
+      var dynamicEntities = _entitiesAll.Where(e => e.StaticId == 0).ToArray();
+      var dynamicEntitiesCount = (ushort) dynamicEntities.Length;
+      _serializer.WriteUShort(dynamicEntitiesCount);
+      foreach (var entity in dynamicEntities)
+      {
+        ReadOnlySpan<byte> payload = entity.Payload.AsSpan();
+
+        _serializer.WriteUShort(entity.EntityType);
+        _serializer.WriteUShort(entity.EntityId);
+        _serializer.WriteUShort((ushort) entity.OwnerId);
+        _serializer.WriteUShort((ushort) payload.Length);
+        _serializer.WriteData(ref payload);
+
+        entity.Snapshot(_serializer);
+      }
+
+      var staticEntities = _entitiesAll.Where(e => e.StaticId != 0).ToArray();
+      var staticEntitiesCount = (ushort) staticEntities.Length;
+      _serializer.WriteUShort(staticEntitiesCount);
+      foreach (var entity in staticEntities)
+      {
+        ReadOnlySpan<byte> payload = entity.Payload.AsSpan();
+
+        _serializer.WriteUShort(entity.EntityType);
+        _serializer.WriteUShort(entity.EntityId);
+        _serializer.WriteUShort(entity.StaticId);
+        _serializer.WriteUShort(entity.OwnerId);
+        _serializer.WriteUShort((ushort) payload.Length);
+        _serializer.WriteData(ref payload);
+
+        entity.Snapshot(_serializer);
+      }
+
+      var sendData = _serializer.ToArray();
+      Send(peerId, sendData, DeliveryType.Reliable);
+    }
+
     private void ReplicateProperties()
     {
-      if (_entitiesDirty.Count > 0)
+      var entities = (ushort) _entitiesDirty.Count;
+      if (entities > 0)
       {
         _serializer.Clear();
         _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_STATE);
-        _serializer.WriteUShort((ushort) _entitiesDirty.Count);
+        _serializer.WriteUShort(entities);
 
-        for (var entityIndex = 0; entityIndex < _entitiesDirty.Count; entityIndex++)
-        {
-          var entity = _entitiesDirty[entityIndex];
-          _serializer.WriteUShort(entity.EntityId);
-
-          for (int propertyIndex = 0; propertyIndex < entity.Properties.Length; propertyIndex++)
-          {
-            var property = entity.Properties[propertyIndex];
-            if (property.IsDirty)
-            {
-              _serializer.WriteBool(true);
-              var span = _serializer.GetWritableData(property.Size);
-              var data = property.Read();
-              data.CopyTo(span);
-              property.Clear();
-            }
-            else
-            {
-              _serializer.WriteBool(false);
-            }
-          }
-        }
+        foreach (var entity in _entitiesDirty)
+          entity.ReplicateProperties(_serializer);
 
         _entitiesDirty.Clear();
         _entitiesDirtySet.Clear();
@@ -530,39 +513,6 @@ namespace Ragon.Core
       }
     }
 
-    public void RestoreProperties(uint peerId)
-    {
-      _serializer.Clear();
-      _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_STATE);
-      _serializer.WriteUShort((ushort) _entitiesAll.Length);
-
-      for (var entityIndex = 0; entityIndex < _entitiesAll.Length; entityIndex++)
-      {
-        var entity = _entitiesAll[entityIndex];
-        _serializer.WriteUShort(entity.EntityId);
-
-        for (int propertyIndex = 0; propertyIndex < entity.Properties.Length; propertyIndex++)
-        {
-          var property = entity.Properties[propertyIndex];
-          var hasPayload = property.IsFixed || property.Size > 0 && !property.IsFixed;
-          if (hasPayload)
-          {
-            _serializer.WriteBool(true);
-            var span = _serializer.GetWritableData(property.Size);
-            var data = property.Read();
-            data.CopyTo(span);
-          }
-          else
-          {
-            _serializer.WriteBool(false);
-          }
-        }
-      }
-
-      var sendData = _serializer.ToArray();
-      Send(peerId, sendData, DeliveryType.Reliable);
-    }
-
     public void Start()
     {
       _plugin.OnStart();
@@ -587,6 +537,35 @@ namespace Ragon.Core
 
     public IScheduler GetScheduler() => _scheduler;
 
+    
+    // TODO: Move this to Entity Event Manager
+    public void SendEvent(Entity ent, RagonTarget targetMode, byte[] sendData)
+    {
+      switch (targetMode)
+      {
+        case RagonTarget.Owner:
+        {
+          Send(ent.OwnerId, sendData, DeliveryType.Reliable);
+          break;
+        }
+        case RagonTarget.ExceptOwner:
+        {
+          _peersCache.Clear();
+          foreach (var playerPeerId in _readyPlayers)
+            if (playerPeerId != ent.OwnerId)
+              _peersCache.Add(playerPeerId);
+
+          Broadcast(_peersCache.ToArray(), sendData, DeliveryType.Reliable);
+          break;
+        }
+        case RagonTarget.All:
+        {
+          Broadcast(_readyPlayers, sendData, DeliveryType.Reliable);
+          break;
+        }
+      }
+    }
+
     public void Send(uint peerId, byte[] rawData, DeliveryType deliveryType = DeliveryType.Unreliable) =>
       _gameThread.Server.Send(peerId, rawData, deliveryType);
 

Ragon/Sources/Lobby/ILobby.cs

@@ -1,6 +0,0 @@
-namespace Ragon.Core;
-
-public interface ILobby
-{
-  
-}

Ragon/Sources/Lobby/Lobby.cs

@@ -5,7 +5,7 @@ using Ragon.Common;
 
 namespace Ragon.Core;
 
-public class Lobby : ILobby
+public class Lobby
 {
   private readonly ILogger _logger = LogManager.GetCurrentClassLogger();
   private readonly RagonSerializer _serializer;

Ragon/Sources/Plugin/PluginBase.cs

@@ -8,21 +8,20 @@ namespace Ragon.Core
   public class PluginBase 
   {
     private delegate void SubscribeDelegate(Player player, ref ReadOnlySpan<byte> data);
-
     private delegate void SubscribeEntityDelegate(Player player, Entity entity, ref ReadOnlySpan<byte> data);
 
     private Dictionary<ushort, SubscribeDelegate> _globalEvents = new();
     private Dictionary<int, Dictionary<ushort, SubscribeEntityDelegate>> _entityEvents = new();
     private readonly RagonSerializer _serializer = new();
 
-    protected IGameRoom GameRoom { get; private set; } = null!;
+    protected IGameRoom Room { get; private set; } = null!;
     protected ILogger Logger = null!;
 
     public void Attach(GameRoom gameRoom)
     {
       Logger = LogManager.GetLogger($"Plugin<{GetType().Name}>");
 
-      GameRoom = gameRoom;
+      Room = gameRoom;
 
       _globalEvents.Clear();
       _entityEvents.Clear();
@@ -34,7 +33,7 @@ namespace Ragon.Core
       _entityEvents.Clear();
     }
 
-    public void Subscribe<T>(ushort evntCode, Action<Player, T> action) where T : IRagonSerializable, new()
+    public void OnEvent<T>(ushort evntCode, Action<Player, T> action) where T : IRagonSerializable, new()
     {
       if (_globalEvents.ContainsKey(evntCode))
       {
@@ -58,7 +57,7 @@ namespace Ragon.Core
       });
     }
 
-    public void Subscribe(ushort evntCode, Action<Player> action)
+    public void OnEvent(ushort evntCode, Action<Player> action)
     {
       if (_globalEvents.ContainsKey(evntCode))
       {
@@ -69,7 +68,7 @@ namespace Ragon.Core
       _globalEvents.Add(evntCode, (Player player, ref ReadOnlySpan<byte> raw) => { action.Invoke(player); });
     }
 
-    public void Subscribe<T>(Entity entity, ushort evntCode, Action<Player, Entity, T> action) where T : IRagonSerializable, new()
+    public void OnEvent<T>(Entity entity, ushort evntCode, Action<Player, Entity, T> action) where T : IRagonSerializable, new()
     {
       if (_entityEvents.ContainsKey(entity.EntityId))
       {
@@ -116,7 +115,7 @@ namespace Ragon.Core
       }
     }
 
-    public void Subscribe(Entity entity, ushort evntCode, Action<Player, Entity> action)
+    public void OnEvent(Entity entity, ushort evntCode, Action<Player, Entity> action)
     {
       if (_entityEvents.ContainsKey(entity.EntityId))
       {
@@ -150,8 +149,9 @@ namespace Ragon.Core
       if (!_entityEvents[entityId].ContainsKey(evntCode))
         return false;
 
-      var player = GameRoom.GetPlayerById(peerId);
-      var entity = GameRoom.GetEntityById(entityId);
+      var player = Room.GetPlayerById(peerId);
+      var entity = Room.GetEntityById(entityId);
+      
       _entityEvents[entityId][evntCode].Invoke(player, entity, ref payload);
 
       return true;
@@ -161,7 +161,7 @@ namespace Ragon.Core
     {
       if (_globalEvents.ContainsKey(evntCode))
       {
-        var player = GameRoom.GetPlayerById(peerId);
+        var player = Room.GetPlayerById(peerId);
         _globalEvents[evntCode].Invoke(player, ref payload);
         return true;
       }
@@ -169,7 +169,7 @@ namespace Ragon.Core
       return false;
     }
 
-    public void SendEvent(Player player, uint eventCode, IRagonSerializable payload)
+    public void ReplicateEvent(Player player, uint eventCode, IRagonSerializable payload)
     {
       _serializer.Clear();
       _serializer.WriteOperation(RagonOperation.REPLICATE_EVENT);
@@ -177,10 +177,10 @@ namespace Ragon.Core
       payload.Serialize(_serializer);
       
       var sendData = _serializer.ToArray();
-      GameRoom.Send(player.PeerId, sendData);
+      Room.Send(player.PeerId, sendData);
     }
 
-    public void BroadcastEvent(ushort eventCode, IRagonSerializable payload)
+    public void ReplicateEvent(ushort eventCode, IRagonSerializable payload)
     {
       _serializer.Clear();
       _serializer.WriteOperation(RagonOperation.REPLICATE_EVENT);
@@ -188,10 +188,10 @@ namespace Ragon.Core
       payload.Serialize(_serializer);
 
       var sendData = _serializer.ToArray();
-      GameRoom.Broadcast(sendData, DeliveryType.Reliable);
+      Room.Broadcast(sendData, DeliveryType.Reliable);
     }
 
-    public void SendEntityEvent(Player player, Entity entity, IRagonSerializable payload)
+    public void ReplicateEntityEvent(Player player, Entity entity, IRagonSerializable payload)
     {
       _serializer.Clear();
       _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
@@ -200,10 +200,10 @@ namespace Ragon.Core
       payload.Serialize(_serializer);
 
       var sendData = _serializer.ToArray();
-      GameRoom.Send(player.PeerId, sendData, DeliveryType.Reliable);
+      Room.Send(player.PeerId, sendData, DeliveryType.Reliable);
     }
 
-    public void BroadcastEntityEvent(Entity entity, IRagonSerializable payload)
+    public void ReplicateEntityEvent(Entity entity, IRagonSerializable payload)
     {
       _serializer.Clear();
       _serializer.WriteOperation(RagonOperation.REPLICATE_ENTITY_EVENT);
@@ -212,7 +212,7 @@ namespace Ragon.Core
       payload.Serialize(_serializer);
 
       var sendData = _serializer.ToArray();
-      GameRoom.Broadcast(sendData);
+      Room.Broadcast(sendData);
     }
 
 

Ragon/Sources/Room/RoomManager.cs

@@ -34,7 +34,7 @@ public class RoomManager
       {
         if (existRoom.Id == roomId && existRoom.PlayersCount < existRoom.PlayersMax)
         {
-          existRoom.Joined(player, payload);
+          existRoom.AddPlayer(player, payload);
           _roomsBySocket.Add(player.PeerId, existRoom);
           return;
         }
@@ -55,7 +55,7 @@ public class RoomManager
       throw new NullReferenceException($"Plugin for map {map} is null");
 
     var room = new GameRoom(_gameThread, plugin, roomId, map, min, max);
-    room.Joined(creator, payload);
+    room.AddPlayer(creator, payload);
     room.Start();
 
     _roomsBySocket.Add(creator.PeerId, room);
@@ -76,7 +76,7 @@ public class RoomManager
         {
           _logger.Trace($"Player ({player.PlayerName}|{player.Id}) joined to room with Id {roomId}");
           
-          existRoom.Joined(player, payload);
+          existRoom.AddPlayer(player, payload);
           _roomsBySocket.Add(player.PeerId, existRoom);
           return;
         }
@@ -90,7 +90,7 @@ public class RoomManager
       throw new NullReferenceException($"Plugin for map {map} is null");
 
     var room = new GameRoom(_gameThread, plugin, roomId, map, min, max);
-    room.Joined(player, payload);
+    room.AddPlayer(player, payload);
     room.Start();
 
     _roomsBySocket.Add(player.PeerId, room);
@@ -102,7 +102,7 @@ public class RoomManager
     if (_roomsBySocket.Remove(player.PeerId, out var room))
     {
       _logger.Trace($"Player ({player.PlayerName}|{player.Id}) left room with Id {room.Id}");
-      room.Leave(player.PeerId);
+      room.RemovePlayer(player.PeerId);
       if (room.PlayersCount < room.PlayersMin)
       {
         _logger.Trace($"Room with Id {room.Id} destroyed");