🎨 added null checks

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/Runtime/Plugins</OutputPath>
+      <OutputPath>/Users/edmand46/UnityProjects/itd-client/Assets/Ragon/Runtime/Plugins/</OutputPath>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">

Ragon.Client/Sources/Entity/RagonEntity.cs

@@ -39,8 +39,8 @@ namespace Ragon.Client
 
       public void Dispose()
       {
-        _callbacks.Remove(_callback);
-        _localCallbacks.Remove(_callback);
+        _callbacks?.Remove(_callback);
+        _localCallbacks?.Remove(_callback);
 
         _callbacks = null!;
         _localCallbacks = null!;

Ragon.Client/Sources/Handler/EntityCreateHandler.cs

@@ -51,6 +51,8 @@ internal class EntityCreateHandler : IHandler
     if (player == null)
     {
       RagonLog.Warn($"Owner {ownerId}|{player.Name} not found in players");
+      
+      _playerCache.Dump();
       return;
     }
     

Ragon.Client/Sources/Handler/EntityEventHandler.cs

@@ -42,7 +42,9 @@ internal class EntityEventHandler : IHandler
     var player = _playerCache.GetPlayerByPeer(peerId);
     if (player == null)
     {
-            RagonLog.Warn($"Player not found for event {eventCode}");
+      RagonLog.Error($"Player with peerId:{peerId} not found as owner of event with code:{eventCode}");
+      
+      _playerCache.Dump();
       return;
     }
 

Ragon.Client/Sources/Handler/EntityOwnershipHandler.cs

@@ -41,6 +41,14 @@ internal class EntityOwnershipHandler: IHandler
     var entities = reader.ReadUShort();
     
     var player = _playerCache.GetPlayerByPeer(newOwnerId);
+    if (player == null)
+    {
+      RagonLog.Error($"Player with Id:{newOwnerId} not found in cache");
+      
+      _playerCache.Dump();
+      return;
+    }
+    
     for (var i = 0; i < entities; i++)
     {
       var entityId = reader.ReadUShort();

Ragon.Client/Sources/Handler/OwnershipRoomHandler.cs

@@ -19,7 +19,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal class OwnershipRoomHandler: IHandler
+internal class OwnershipRoomHandler : IHandler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonPlayerCache _playerCache;
@@ -39,6 +39,13 @@ internal class OwnershipRoomHandler: IHandler
   {
     var newOwnerId = reader.ReadUShort();
     var player = _playerCache.GetPlayerByPeer(newOwnerId);
+    if (player == null)
+    {
+      RagonLog.Warn($"Player with peerId:{newOwnerId} not found in cache");
+      
+      _playerCache.Dump();
+      return;
+    }
 
     _playerCache.OnOwnershipChanged(newOwnerId);
     _listenerList.OnOwnershipChanged(player);

Ragon.Client/Sources/Handler/PlayerJoinHandler.cs

@@ -45,6 +45,6 @@ internal class PlayerJoinHandler : IHandler
     if (player != null)
       _listenerList.OnPlayerJoined(player);
     else
-      RagonLog.Trace($"[Joined] {playerId}");
+      RagonLog.Warn($"Player with Id:{playerId} not found in cache");
   }
 }

Ragon.Client/Sources/Handler/PlayerLeftHandler.cs

@@ -57,5 +57,9 @@ internal class PlayerLeftHandler : IHandler
       foreach (var id in toDeleteIds)
         _entityCache.OnDestroy(id, emptyPayload);
     }
+    else
+    {
+      RagonLog.Warn($"Player with Id:{playerId} not found in cache");
+    }
   }
 }

Ragon.Client/Sources/Handler/RoomDataHandler.cs

@@ -37,6 +37,15 @@ internal class RoomDataHandler: IHandler
     var rawData = reader.RawData;
     var peerId = (ushort)(rawData[1] + (rawData[2] << 8));
     var player = _playerCache.GetPlayerByPeer(peerId);
+    
+    if (player == null)
+    {
+      RagonLog.Error($"Player with peerId:{peerId} not found");
+      
+      _playerCache.Dump();
+      return;
+    }
+    
     var headerSize = 3;
     var payload = new byte[rawData.Length - headerSize];
     

Ragon.Client/Sources/Handler/RoomEventHandler.cs

@@ -18,7 +18,7 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-public class RoomEventHandler: IHandler
+public class RoomEventHandler : IHandler
 {
   private readonly RagonClient _client;
   private readonly RagonPlayerCache _playerCache;
@@ -41,7 +41,9 @@ public class RoomEventHandler: IHandler
     var player = _playerCache.GetPlayerByPeer(peerId);
     if (player == null)
     {
-      RagonLog.Warn($"Player not found for event {eventCode}");
+      RagonLog.Error($"Player with peerId:{peerId} not found as owner of event with code:{eventCode}");
+      
+      _playerCache.Dump();
       return;
     }
 

Ragon.Client/Sources/Handler/SnapshotHandler.cs

@@ -45,6 +45,7 @@ internal class SnapshotHandler : IHandler
 
   public void Handle(RagonBuffer buffer)
   {
+    var entities = new List<RagonEntity>();
     var playersCount = buffer.ReadUShort();
     RagonLog.Trace("Players: " + playersCount);
     for (var i = 0; i < playersCount; i++)
@@ -70,7 +71,9 @@ internal class SnapshotHandler : IHandler
       var player = _playerCache.GetPlayerByPeer(ownerPeerId);
       if (player == null)
       {
-        RagonLog.Error($"Player not found with peerId: ${ownerPeerId}");
+        RagonLog.Error($"Player not found with peerId: {ownerPeerId}");
+
+        _playerCache.Dump();
         return;
       }
 
@@ -88,7 +91,8 @@ internal class SnapshotHandler : IHandler
       _entityListener.OnEntityCreated(entity);
       
       entity.Read(buffer);
-      entity.Attach();
+      
+      entities.Add(entity);
     }
 
     var staticEntities = buffer.ReadUShort();
@@ -104,7 +108,9 @@ internal class SnapshotHandler : IHandler
       var player = _playerCache.GetPlayerByPeer(ownerPeerId);
       if (player == null)
       {
-        RagonLog.Error($"Player not found with peerId: ${ownerPeerId}");
+        RagonLog.Error($"Player not found with peerId: {ownerPeerId}");
+        
+        _playerCache.Dump();
         return;
       }
 
@@ -112,9 +118,9 @@ internal class SnapshotHandler : IHandler
       var entity = _entityCache.TryGetEntity(0, entityType, staticId, entityId, hasAuthority, out _);
       
       entity.Prepare(_client, entityId, entityType, hasAuthority, player, RagonPayload.Empty);
-      
       entity.Read(buffer);
-      entity.Attach();
+      
+      entities.Add(entity);
     }
 
     if (_client.Status == RagonStatus.LOBBY)
@@ -123,6 +129,9 @@ internal class SnapshotHandler : IHandler
       _listenerList.OnJoined();
     }
 
+    foreach (var entity in entities)
+      entity.Attach();
+
     _listenerList.OnSceneLoaded();
   }
 }

Ragon.Client/Sources/RagonEntityCache.cs

@@ -186,12 +186,10 @@ public sealed class RagonEntityCache
       }
     }
 
-    if (_pendingEntities.TryGetValue(attachId, out var pendingEntity))
+    if (_pendingEntities.TryGetValue(attachId, out var pendingEntity) && hasAuthority)
     {
       _pendingEntities.Remove(attachId);
       _entityMap.Add(entityId, pendingEntity);
-
-      if (hasAuthority)
       _entityList.Add(pendingEntity);
 
       hasCreated = false;
@@ -199,7 +197,6 @@ public sealed class RagonEntityCache
       return pendingEntity;
     }
 
-
     var entity = new RagonEntity(entityType, sceneId);
 
     _entityMap.Add(entityId, entity);
@@ -217,7 +214,6 @@ public sealed class RagonEntityCache
   {
     if (_entityMap.TryGetValue(entityId, out var entity))
     {
-      
       _entityMap.Remove(entityId);
       _entityList.Remove(entity);
 

Ragon.Client/Sources/RagonPlayerCache.cs

@@ -27,8 +27,21 @@ public sealed class RagonPlayerCache
   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];
+  public RagonPlayer? GetPlayerById(string playerId)
+  {
+    if (_playersById.TryGetValue(playerId, out var player))
+      return player;
+
+    return null;
+  }
+
+  public RagonPlayer? GetPlayerByPeer(ushort peerId)
+  {
+    if (_playersByConnection.TryGetValue(peerId, out var player))
+      return player;
+
+    return null;
+  }
 
   private string _ownerId;
   private string _localId;
@@ -91,4 +104,14 @@ public sealed class RagonPlayerCache
     _playersByConnection.Clear();
     _playersById.Clear();
   }
+
+  public void Dump()
+  {
+    RagonLog.Trace("Players: ");
+    RagonLog.Trace("[Connection] [ID] [Name]");
+    foreach (var player in _players)
+    {
+      RagonLog.Trace($"[{player.PeerId}] {player.Id} {player.Name}");
+    }
+  }
 }

Ragon.Client/Sources/RagonSession.cs

@@ -51,9 +51,9 @@ namespace Ragon.Client
       Create(null, new RagonRoomParameters() {Scene = sceneName, Min = minPlayers, Max = maxPlayers});
     }
 
-    public void Create(string roomId, string sceneNa, int minPlayers, int maxPlayers)
+    public void Create(string roomId, string sceneName, int minPlayers, int maxPlayers)
     {
-      Create(roomId, new RagonRoomParameters() {Scene = sceneNa, Min = minPlayers, Max = maxPlayers});
+      Create(roomId, new RagonRoomParameters() {Scene = sceneName, Min = minPlayers, Max = maxPlayers});
     }
     
     public  void Create(string roomId, RagonRoomParameters parameters)

Ragon.Protocol/Sources/RagonBuffer.cs

@@ -75,7 +75,7 @@ namespace Ragon.Protocol
     public int ReadOffset => _read;
     public int WriteOffset => _write;
     public int Length => ((_write - 1) >> 3) + 1;
-    public int Capacity => _write - _read;
+    public int Capacity => _write - _read - 1;
 
     public RagonBuffer(int capacity = 128)
     {

Ragon.Relay/Sources/RelayServerPlugin.cs

@@ -1,5 +1,6 @@
 using System;
 using Newtonsoft.Json;
+using Ragon.Server;
 using Ragon.Server.Plugin;
 
 namespace Ragon.Relay;
@@ -21,4 +22,9 @@ public class RelayServerPlugin: BaseServerPlugin
     
     return true;
   }
+
+  public override IRoomPlugin CreateRoomPlugin(RoomInformation information)
+  {
+    return new RelayRoomPlugin();
+  }
 }

Ragon.Server/Sources/Entity/RagonPayload.cs

@@ -28,7 +28,7 @@ public class RagonPayload
 
   public void Read(RagonBuffer buffer)
   {
-    _size = buffer.Capacity - 1;
+    _size = buffer.Capacity;
     buffer.ReadArray(_data, _size);
   }
 

Ragon.Server/Sources/Event/RagonEvent.cs

@@ -39,7 +39,7 @@ public class RagonEvent
   
   public void Read(RagonBuffer buffer)
   {
-    _size = buffer.Capacity - 1;
+    _size = buffer.Capacity;
     buffer.ReadArray(_data, _size);
   }
 

Ragon.Server/Sources/Logging/IRagonLogger.cs

@@ -0,0 +1,9 @@
+namespace Ragon.Server.Logging;
+
+public interface IRagonLogger
+{
+  public void Warning(string tag, string message);
+  public void Info(string tag, string message);
+  public void Error(string tag, string message);
+  public void Trace(string tag, string message);
+}

Ragon.Server/Sources/Plugin/BaseServerPlugin.cs

@@ -49,7 +49,7 @@ public class BaseServerPlugin: IServerPlugin
     return true;
   }
 
-  public IRoomPlugin CreateRoomPlugin(RoomInformation information)
+  public virtual IRoomPlugin CreateRoomPlugin(RoomInformation information)
   {
     return new BaseRoomPlugin();
   }