a050a3b80f
The new callback has a default implementation of the callback methods that do call back into the registrys callback before calling the registrys implementation directly. This is meant to be used together with ReaderWriterOptions that still want to call back into the normal callback chain of the registry.
SimGear - Simulator Construction Tools ====================================== http://www.flightgear.org SimGear is a set of open-source libraries designed to be used as building blocks for quickly assembling 3d simulations, games, and visualization applications. SimGear is developed by the FlightGear project and also provides the base for the FlightGear Flight Simulator. Source code for SimGear is released under the GNU Library General Public License (LGPL) - see COPYING for license details. See INSTALL file for help on building SimGear.