- Only allow one engine instance running at the moment - When adding new map preview call to the queue, check if previous map preview request has started, and if no, remove it from queue. Could be harmful if you manage to request previews for two widgets in less time than needed to generate one.

Hedgewars - a turn based strategy game.
Distributed under the terms of the GNU GPL licence.
Images and sounds are distributed under the terms of the GNU FDL licence.

Source:
Copyright 2004-2011 Andrey Korotaev <unC0Rr@gmail.com>
Portions copyright 2006-2008 Igor Ulyanov aka Displacer <iulyanov@gmail.com>