Fix a bug that made NetworkedManager be set to null when destroying another multiple instance of the networked manager. Also change from removing only the component of the multiple instance to removing the whole gameobject.

Author: jaglitegrann

MLAPI/MonoBehaviours/Core/NetworkingManager.cs

@@ -148,6 +148,10 @@ public bool IsClientConnected
         /// The callback to invoke once the server is ready
         /// </summary>
         public Action OnServerStarted = null;
+        /// <summary>
+        /// Wheter or not this NetworkedManager is an multiple instance of the singleton about to be removed.
+        /// </summary>
+        private bool isMultipleInstance = false;
         public delegate void ConnectionApprovedDelegate(uint clientId, int prefabId, bool approved, Vector3 position, Quaternion rotation);
         /// <summary>
         /// The callback to invoke during connection approval
@@ -646,7 +650,8 @@ private void OnEnable()
             if (singleton != null)
             {
                 if (LogHelper.CurrentLogLevel <= LogLevel.Normal) LogHelper.LogWarning("Multiple NetworkingManagers");
-                Destroy(this);
+                this.isMultipleInstance = true;
+                Destroy(this.gameObject);
                 return;
             }
             _singleton = this;
@@ -658,8 +663,10 @@ private void OnEnable()
 
         private void OnDestroy()
         {
-            _singleton = null;
-            Shutdown();
+            if (!isMultipleInstance) {
+                _singleton = null;
+                Shutdown();
+            }
         }
 
         private void Shutdown()