Server sends ServerEntityEvents to clients, NetEntityEvents can contain an object array which will be passed to the serializable entity (now only used for ItemComponent indices)

Subsurface/Source/Networking/Client.cs

@@ -35,6 +35,8 @@ namespace Barotrauma.Networking
         public bool hasLobbyData = false;
         public UInt32 lastSentChatMsgID = 0; //last msg this client said
         public UInt32 lastRecvChatMsgID = 0; //last msg this client knows about
+
+        public UInt32 lastSentEntityEventID = 0;
         public UInt32 lastRecvEntityEventID = 0;
 
         public UInt32 lastRecvEntitySpawnID = 0;