Exposed a method to allow users to batch property set requests into a

dobj transaction. Thanks to mdb for the idea of accepting a function to run
for the batch, rather than exposing startTransaction() and commitTransaction()
directly.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@317 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/ezgame/client/GameControlBackend.as

@@ -218,6 +218,9 @@ public class GameControlBackend
         o["getPlayers_v1"] = getPlayers_v1;
         o["getPlayerPosition_v1"] = getPlayerPosition_v1;
         o["getMyPosition_v1"] = getMyPosition_v1;
+
+        o["startTransaction"] = startTransaction_v1;
+        o["commitTransaction"] = commitTransaction_v1;
     }
 
     /**
@@ -590,6 +593,23 @@ public class GameControlBackend
         _container.setFocus();
     }
 
+    /**
+     * Start a dobj transaction on the game object.
+     */
+    public function startTransaction_v1 () :void
+    {
+        validateConnected();
+        _ezObj.startTransaction();
+    }
+
+    /**
+     * Commit a dobj transaction on the game object.
+     */
+    public function commitTransaction_v1 () :void
+    {
+        _ezObj.commitTransaction();
+    }
+
     /**
      * Convenience function to get our name.
      */