Delay the exit message box in multiplayer games until after the synchronization is finished, to avoid stacking message boxes.

This was SVN commit r18857.

binaries/data/mods/public/gui/session/messages.js

@@ -580,6 +580,8 @@ function handleNetStatusMessage(message)
 		return;
 	}
 
+	g_IsNetworkedActive = message.status == "active";
+
 	let label = Engine.GetGUIObjectByName("netStatus");
 	let statusMessage = g_StatusMessageTypes[message.status](message);
 	label.caption = statusMessage;

binaries/data/mods/public/gui/session/session.js

@@ -35,6 +35,12 @@ var g_IsController;
  */
 var g_IsNetworked = false;
 
+/**
+ * Whether we have finished the synchronization and
+ * can start showing simulation related message boxes.
+ */
+var g_IsNetworkedActive = false;
+
 /**
  * True if the connection to the server has been lost.
  */
@@ -685,6 +691,9 @@ function onSimulationUpdate()
  */
 function confirmExit()
 {
+	if (g_IsNetworked && !g_IsNetworkedActive)
+		return;
+
 	closeOpenDialogs();
 
 	let subject = g_PlayerStateMessages[g_ConfirmExit] + "\n" +