major update

Ragon.Server/Sources/Handler/RoomJoinOperation.cs

@@ -0,0 +1,71 @@
+/*
+ * 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 NLog;
+using Ragon.Protocol;
+
+namespace Ragon.Server;
+
+public sealed class RoomJoinOperation : IRagonOperation
+{
+  private Logger _logger = LogManager.GetCurrentClassLogger();
+
+  public void Handle(RagonContext context, RagonBuffer reader, RagonBuffer writer)
+  {
+    var roomId = reader.ReadString();
+    var lobbyPlayer = context.LobbyPlayer;
+
+    if (!context.Lobby.FindRoomById(roomId, out var existsRoom))
+    {
+      JoinFailed(lobbyPlayer, writer);
+      
+      _logger.Trace($"Player {context.Connection.Id}|{context.LobbyPlayer.Name} failed to join room {roomId}");
+      return;
+    }
+
+    var player = new RagonRoomPlayer(lobbyPlayer.Connection, lobbyPlayer.Id, lobbyPlayer.Name);
+    context.SetRoom(existsRoom, player);
+    
+    JoinSuccess(player, existsRoom, writer);
+    
+    _logger.Trace($"Player {context.Connection.Id}|{context.LobbyPlayer.Name} joined to {existsRoom.Id}");
+  }
+
+  private void JoinSuccess(RagonRoomPlayer player, RagonRoom room, RagonBuffer writer)
+  {
+    writer.Clear();
+    writer.WriteOperation(RagonOperation.JOIN_SUCCESS);
+    writer.WriteString(room.Id);
+    writer.WriteString(player.Id);
+    writer.WriteString(room.Owner.Id);
+    writer.WriteUShort((ushort) room.Info.Min);
+    writer.WriteUShort((ushort) room.Info.Max);
+    writer.WriteString(room.Info.Map);
+
+    var sendData = writer.ToArray();
+    player.Connection.Reliable.Send(sendData);
+  }
+
+  private void JoinFailed(RagonLobbyPlayer player, RagonBuffer writer)
+  {
+    writer.Clear();
+    writer.WriteOperation(RagonOperation.JOIN_FAILED);
+    writer.WriteString($"Room not exists");
+
+    var sendData = writer.ToArray();
+    player.Connection.Reliable.Send(sendData);
+  }
+}