Need to save the scene director's pendingdata across a server-switch logoff/logon cycle when the user is moving via a zone move.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@967 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/whirled/client/SceneDirector.as

@@ -198,6 +198,20 @@ public class SceneDirector extends BasicDirector
         return true;
     }
 
+    /**
+     * Returns a function that may be used to restore the scene director's pendingData to its
+     *  current state.  This is primarily useful if you know something (such as a logoff) is about
+     *  to happen and you want to ensure you can restore the pending data after re-login.
+     */
+    public function getPendingDataRestoreFunc () :Function
+    {
+        var pendingData :PendingData = _pendingData;
+
+        return function () :void {
+            _pendingData = pendingData;
+        }
+    }
+
     /**
      * Returns the model loaded in preparation for a scene transition. This is made available only
      * for cooperating directors which may need to coopt the scene transition process. The pending

src/as/com/threerings/whirled/zone/client/ZoneDirector.as

@@ -11,6 +11,7 @@ import com.threerings.presents.client.ConfirmAdapter;
 
 import com.threerings.crowd.data.PlaceConfig;
 
+import com.threerings.whirled.client.PendingData;
 import com.threerings.whirled.client.SceneDirector;
 import com.threerings.whirled.client.SceneDirector_MoveHandler;
 import com.threerings.whirled.data.SceneModel;
@@ -201,8 +202,14 @@ public class ZoneDirector extends BasicDirector
     {
         log.info("Zone switch requires server switch", "host", hostname, "ports", ports);
         // ship on over to the other server
+
+        // keep track of our current pending data because it will be cleared when we log off of
+        // this server and onto the next one
+        var restorePending :Function = _scdir.getPendingDataRestoreFunc();
+
         _wCtx.getClient().moveToServer(hostname, ports, new ConfirmAdapter(
             function () :void { // succeeded
+                restorePending();
                 sendMoveRequest();
             }, requestFailed));
     }