wip

Ragon.Client/Sources/Entity/RagonProperty.cs

@@ -29,15 +29,14 @@ namespace Ragon.Client
     public bool IsFixed => _fixed;
     public int Size => _size;
 
-    private RagonEntity _entity;
-    private RagonBuffer _propertyBuffer;
+    private RagonEntity _entity;    
     private bool _dirty;
     private int _size;
     private int _ticks;
     private int _priority;
     private bool _fixed;
     private string _name;
-    
+
     protected bool InvokeLocal;
 
     protected RagonProperty(int priority, bool invokeLocal)
@@ -45,7 +44,6 @@ namespace Ragon.Client
       _size = 0;
       _priority = priority;
       _fixed = false;
-      _propertyBuffer = new RagonBuffer();
       
       InvokeLocal = invokeLocal;
     }
@@ -94,44 +92,31 @@ namespace Ragon.Client
     internal void AssignEntity(RagonEntity ent)
     {
       _entity = ent;
-      
+
       Changed?.Invoke();
     }
 
     internal void Write(RagonBuffer buffer)
     {
-      _propertyBuffer.Clear();
-      
       if (_fixed)
       {
-        Serialize(_propertyBuffer);
-        
-        buffer.FromBuffer(_propertyBuffer, _size);
+        Serialize(buffer);
+        return;
       }
-      else
-      {
-        Serialize(_propertyBuffer);
 
-        var propSize = _propertyBuffer.WriteOffset;
-        buffer.WriteUShort((ushort) propSize);
-        buffer.FromBuffer(_propertyBuffer, propSize);
-      }
+      var sizeOffset = buffer.WriteOffset;
+      buffer.Write(0, 16);
+      var propOffset = buffer.WriteOffset;
+
+      Serialize(buffer);
+
+      var propSize = (uint)(buffer.WriteOffset - propOffset);
+      buffer.Write(propSize, 16, sizeOffset);
     }
 
     internal void Read(RagonBuffer buffer)
     {
-      _propertyBuffer.Clear();
-      
-      if (_fixed)
-      {
-        buffer.ToBuffer(_propertyBuffer, _size);
-        Deserialize(_propertyBuffer);
-        return;
-      }
-
-      var propSize = buffer.ReadUShort();
-      buffer.ToBuffer(_propertyBuffer, propSize);
-      Deserialize(_propertyBuffer);
+      Deserialize(buffer);
     }
 
     public virtual void Serialize(RagonBuffer buffer)

Ragon.Client/Sources/Handler/EntityCreateHandler.cs

@@ -51,7 +51,7 @@ internal  class EntityCreateHandler : Handler
       return;
     }
     
-    var hasAuthority = _playerCache.LocalPlayer.Id == player.Id;
+    var hasAuthority = _playerCache.Local.Id == player.Id;
     var entity = _entityCache.OnCreate(attachId, entityType, 0, entityId, hasAuthority);
     entity.Attach(_client, entityId, entityType, hasAuthority, player, payload);
   }

Ragon.Client/Sources/Handler/OwnershipEntityHandler.cs

@@ -19,13 +19,13 @@ using Ragon.Protocol;
 
 namespace Ragon.Client;
 
-internal  class OwnershipHandler: Handler
+internal class OwnershipEntityHandler: Handler
 {
   private readonly RagonListenerList _listenerList;
   private readonly RagonPlayerCache _playerCache;
   private readonly RagonEntityCache _entityCache;
   
-  public OwnershipHandler(
+  public OwnershipEntityHandler(
     RagonListenerList listenerList,
     RagonPlayerCache playerCache,
     RagonEntityCache entityCache)
@@ -39,10 +39,6 @@ internal  class OwnershipHandler: Handler
   {
     var newOwnerId = buffer.ReadString();
     var player = _playerCache.GetPlayerById(newOwnerId);
-
-    _playerCache.OnOwnershipChanged(newOwnerId);
-    _listenerList.OnOwnershipChanged(player);
-
     var entities = buffer.ReadUShort();
     for (var i = 0; i < entities; i++)
     {

Ragon.Client/Sources/Handler/OwnershipRoomHandler.cs

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

Ragon.Client/Sources/Handler/SnapshotHandler.cs

@@ -15,6 +15,7 @@
  */
 
 
+using System.Diagnostics;
 using Ragon.Protocol;
 
 namespace Ragon.Client;
@@ -64,7 +65,7 @@ internal class SnapshotHandler : Handler
       var payload = new RagonPayload(payloadSize);
       payload.Read(buffer);
 
-      var hasAuthority = _playerCache.LocalPlayer.Id == player.Id;
+      var hasAuthority = _playerCache.Local.Id == player.Id;
       var entity = _entityCache.OnCreate(0, entityType, 0, entityId, hasAuthority);
       
       entity.Read(buffer);
@@ -85,7 +86,7 @@ internal class SnapshotHandler : Handler
       var payload = new RagonPayload(payloadSize);
       payload.Read(buffer);
 
-      var hasAuthority = _playerCache.LocalPlayer.Id == player.Id;
+      var hasAuthority = _playerCache.Local.Id == player.Id;
       var entity = _entityCache.OnCreate(0, entityType, staticId, entityId, hasAuthority);
       
       entity.Read(buffer);

Ragon.Client/Sources/RagonClient.cs

@@ -90,7 +90,8 @@ namespace Ragon.Client
       _handlers[(byte)RagonOperation.JOIN_SUCCESS] = new JoinSuccessHandler(this, _readBuffer, _listenerList, _playerCache, _entityCache);
       _handlers[(byte)RagonOperation.JOIN_FAILED] = new JoinFailedHandler(_listenerList);
       _handlers[(byte)RagonOperation.LEAVE_ROOM] = new LeaveRoomHandler(this, _listenerList, _entityCache);
-      _handlers[(byte)RagonOperation.OWNERSHIP_CHANGED] = new OwnershipHandler(_listenerList, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.OWNERSHIP_ROOM_CHANGED] = new OwnershipRoomHandler(_listenerList, _playerCache, _entityCache);
+      _handlers[(byte)RagonOperation.OWNERSHIP_ENTITY_CHANGED] = new OwnershipEntityHandler(_listenerList, _playerCache, _entityCache);
       _handlers[(byte)RagonOperation.PLAYER_JOINED] = new PlayerJoinHandler(_playerCache, _listenerList);
       _handlers[(byte)RagonOperation.PLAYER_LEAVED] = new PlayerLeftHandler(_entityCache, _playerCache, _listenerList);
       _handlers[(byte)RagonOperation.LOAD_SCENE] = new SceneLoadHandler(this, _listenerList);

Ragon.Client/Sources/RagonEntityCache.cs

@@ -52,7 +52,7 @@ public sealed class RagonEntityCache
   
   public void Create(RagonEntity entity, IRagonPayload? spawnPayload)
   {
-    var attachId = (ushort) (_playerCache.LocalPlayer.PeerId + _localEntitiesCounter++) ;
+    var attachId = (ushort) (_playerCache.Local.PeerId + _localEntitiesCounter++) ;
     var buffer = _client.Buffer;
     
     buffer.Clear();
@@ -71,6 +71,19 @@ public sealed class RagonEntityCache
     _client.Reliable.Send(sendData);
   }
 
+  public void Transfer(RagonEntity entity, RagonPlayer player)
+  {
+    var buffer = _client.Buffer;
+    
+    buffer.Clear();
+    buffer.WriteOperation(RagonOperation.TRANSFER_ENTITY_OWNERSHIP);
+    buffer.WriteUShort(entity.Id);
+    buffer.WriteUShort(player.PeerId);
+    
+    var sendData = buffer.ToArray();
+    _client.Reliable.Send(sendData);
+  }
+  
   public void Destroy(RagonEntity entity, IRagonPayload? destroyPayload)
   {
     if (!entity.IsAttached)
@@ -78,6 +91,7 @@ public sealed class RagonEntityCache
       RagonLog.Warn("Can't destroy object, he is not created");
       return;
     }
+    
     var buffer = _client.Buffer;
     
     buffer.Clear();

Ragon.Client/Sources/RagonPlayerCache.cs

@@ -18,12 +18,13 @@ namespace Ragon.Client;
 
 public sealed class RagonPlayerCache
 {
-  private List<RagonPlayer> _players = new List<RagonPlayer>();
-  private Dictionary<string, RagonPlayer> _playersById = new();
-  private Dictionary<ushort, RagonPlayer> _playersByConnection = new();
+  private readonly List<RagonPlayer> _players = new();
+  private readonly Dictionary<string, RagonPlayer> _playersById = new();
+  private readonly Dictionary<ushort, RagonPlayer> _playersByConnection = new();
 
+  public IReadOnlyList<RagonPlayer> Players => _players;
   public RagonPlayer Owner { get; private set; }
-  public RagonPlayer LocalPlayer { get; private set; }
+  public RagonPlayer Local { get; private set; }
   public bool IsRoomOwner => _ownerId == _localId;
   
   public RagonPlayer? GetPlayerById(string playerId) => _playersById[playerId];
@@ -51,7 +52,7 @@ public sealed class RagonPlayerCache
     var player = new RagonPlayer(peerId, playerId, playerName, isOwner, isLocal);
 
     if (player.IsLocal)
-      LocalPlayer = player;
+      Local = player;
 
     if (player.IsRoomOwner)
       Owner = player;

Ragon.Client/Sources/RagonRoom.cs

@@ -28,9 +28,10 @@ namespace Ragon.Client
     public int MinPlayers => _information.Min;
     public int MaxPlayers => _information.Max;
 
-    public RagonPlayer Local => _playerCache.LocalPlayer;
+    public IReadOnlyList<RagonPlayer> Players => _playerCache.Players;
+    public RagonPlayer Local => _playerCache.Local;
     public RagonPlayer Owner => _playerCache.Owner;
-
+    
     public RagonRoom(RagonClient client,
       RagonEntityCache entityCache,
       RagonPlayerCache playerCache,
@@ -55,6 +56,7 @@ namespace Ragon.Client
 
     public void CreateEntity(RagonEntity entity) => CreateEntity(entity, null);
     public void CreateEntity(RagonEntity entity, IRagonPayload? payload) => _entityCache.Create(entity, payload);
+    public void TransferEntity(RagonEntity entity, RagonPlayer player) => _entityCache.Transfer(entity, player);
 
     public void DestroyEntity(RagonEntity entityId) => DestroyEntity(entityId, null);
     public void DestroyEntity(RagonEntity entityId, IRagonPayload? payload) => _entityCache.Destroy(entityId, payload);

Ragon.Protocol/Sources/RagonOperation.cs

@@ -26,7 +26,8 @@ namespace Ragon.Protocol
     CREATE_ROOM,
     JOIN_ROOM,
     LEAVE_ROOM,
-    OWNERSHIP_CHANGED,
+    OWNERSHIP_ENTITY_CHANGED,
+    OWNERSHIP_ROOM_CHANGED,
     JOIN_SUCCESS,
     JOIN_FAILED,
     LOAD_SCENE,
@@ -38,5 +39,7 @@ namespace Ragon.Protocol
     SNAPSHOT,
     REPLICATE_ENTITY_STATE,
     REPLICATE_ENTITY_EVENT,
+    TRANSFER_ROOM_OWNERSHIP,
+    TRANSFER_ENTITY_OWNERSHIP,
   }
 }

Ragon.Server/Sources/Handler/EntityOwnershipOperation.cs

@@ -0,0 +1,49 @@
+using NLog;
+using Ragon.Protocol;
+
+namespace Ragon.Server.Handler;
+
+public sealed class EntityOwnershipOperation : IRagonOperation
+{
+  private readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
+  public void Handle(RagonContext context, RagonBuffer reader, RagonBuffer writer)
+  {
+    var player = context.RoomPlayer;
+    var room = context.Room;
+    
+    var entityId = reader.ReadUShort();
+    var playerId = reader.ReadUShort();
+
+    if (!room.Entities.TryGetValue(entityId, out var entity))
+    {
+      _logger.Error($"Entity not found with id {entityId}");
+      return;
+    }
+    
+    if (entity.Owner.Connection.Id != player.Connection.Id)
+    {
+      _logger.Error($"Player not owner of entity with id {entityId}");
+      return;
+    } 
+
+    if (!room.Players.TryGetValue(playerId, out var nextOwner))
+    {
+      _logger.Error($"Player not found with id {entityId}");
+      return;
+    }    
+    
+    writer.Clear();
+    writer.WriteOperation(RagonOperation.OWNERSHIP_ENTITY_CHANGED);
+    writer.WriteUShort(nextOwner.Connection.Id);
+    writer.WriteUShort(1);
+    writer.WriteUShort(entity.Id);
+
+    player.Entities.Remove(entity);
+    nextOwner.Entities.Add(entity);
+    
+    entity.Attach(nextOwner);
+    
+    _logger.Trace($"Entity {entity.Id} next owner {nextOwner.Connection.Id}");
+  }
+}

Ragon.Server/Sources/Handler/RoomOwnershipOperation.cs

@@ -0,0 +1,14 @@
+using NLog;
+using Ragon.Protocol;
+using Ragon.Server.Entity;
+
+namespace Ragon.Server.Handler;
+
+public sealed class RoomOwnershipOperation : IRagonOperation
+{
+  private readonly Logger _logger = LogManager.GetCurrentClassLogger();
+  public void Handle(RagonContext context, RagonBuffer reader, RagonBuffer writer)
+  {
+   
+  }
+}

Ragon.Server/Sources/RagonServer.cs

@@ -85,6 +85,8 @@ public class RagonServer : IRagonServer, INetworkListener
     _handlers[(byte) RagonOperation.REMOVE_ENTITY] = new EntityDestroyOperation();
     _handlers[(byte) RagonOperation.REPLICATE_ENTITY_EVENT] = new EntityEventOperation();
     _handlers[(byte) RagonOperation.REPLICATE_ENTITY_STATE] = new EntityStateOperation();
+    _handlers[(byte) RagonOperation.TRANSFER_ROOM_OWNERSHIP] = new EntityOwnershipOperation();
+    _handlers[(byte) RagonOperation.TRANSFER_ENTITY_OWNERSHIP] = new EntityOwnershipOperation();
     
     _logger.Trace($"Server Tick Rate: {_configuration.ServerTickRate}");
   }

Ragon.Server/Sources/Room/RagonRoom.cs

@@ -153,7 +153,7 @@ public class RagonRoom : IRagonRoom, IRagonAction
         var entitiesToUpdate = roomPlayer.Entities.StaticList;
 
         Writer.Clear();
-        Writer.WriteOperation(RagonOperation.OWNERSHIP_CHANGED);
+        Writer.WriteOperation(RagonOperation.OWNERSHIP_ENTITY_CHANGED);
         Writer.WriteString(Owner.Id);
         Writer.WriteUShort((ushort)entitiesToUpdate.Count);