Inventory syncing, objHeader is passed to the ClientRead/ServerRead methods so they can determine how to read the msg (is it an inventory update, position, input, etc)

Subsurface/Source/Networking/NetEntityEvent/ClientEntityEventManager.cs

@@ -65,7 +65,7 @@ namespace Barotrauma.Networking
                     break;
                 }
 
-                eventsToSync.Add(events[i]);
+                eventsToSync.Insert(0, events[i]);
             }
             if (eventsToSync.Count == 0) return;
 
@@ -96,7 +96,7 @@ namespace Barotrauma.Networking
             var serverEntity = entity as IServerSerializable;
             if (serverEntity == null) return;
 
-            serverEntity.ClientRead(buffer, sendingTime);
+            serverEntity.ClientRead(ServerNetObject.ENTITY_STATE, buffer, sendingTime);
         }
 
         public void Clear()

Subsurface/Source/Networking/NetEntityEvent/NetEntityEvent.cs

@@ -9,6 +9,11 @@ namespace Barotrauma.Networking
 {
     abstract class NetEntityEvent
     {
+        public enum Type
+        {
+            Default, ComponentState, InventoryState
+        }
+
         public readonly Entity Entity;
         public readonly UInt32 ID;
 

Subsurface/Source/Networking/NetEntityEvent/ServerEntityEventManager.cs

@@ -24,7 +24,7 @@ namespace Barotrauma.Networking
 
         public void CreateEvent(IServerSerializable entity, object[] extraData = null)
         {
-            if (!(entity is Entity))
+            if (entity == null || !(entity is Entity))
             {
                 DebugConsole.ThrowError("Can't create an entity event for " + entity + "!");
                 return;
@@ -91,7 +91,7 @@ namespace Barotrauma.Networking
             var clientEntity = entity as IClientSerializable;
             if (clientEntity == null) return;
 
-            clientEntity.ServerRead(buffer, sender);
+            clientEntity.ServerRead(ClientNetObject.ENTITY_STATE, buffer, sender);
         }
 
         public void Read(NetIncomingMessage msg, Client client)