提交进入地图和创建房间相关逻辑和协议

Entity/Map/Entity/Map.cs

@@ -4,4 +4,13 @@ namespace NB.Map;
 
 public class Map : Entity
 {
+    /// <summary>
+    /// 地图配置id
+    /// </summary>
+    public int MapId;
+
+    /// <summary>
+    /// 地图玩家
+    /// </summary>
+    public Dictionary<long, MapUnit> Units = new Dictionary<long, MapUnit>();
 }

Entity/Map/Entity/MapUnit.cs

@@ -23,10 +23,5 @@ public class MapUnit : Entity
     /// </summary>
     public int MapId;
 
-    /// <summary>
-    /// 当前所在房间id
-    /// </summary>
-    public int RoomId;
-
     public long GateRouteId;
 }