Hi Martin, dtEntity is a great system, a similar system is http://flohofwoe.blogspot.com/2007/11/nebula3s-application-layer-provides.html ( though the engine is abandoned ) and lists many benefits for such type of code organization (a link just for those who are still skeptical - to show another take on the approach).
there are efforts ( though quite different ) to simplify game development adding flexible interprocess events system, serializaion http://nocturnal.insomniacgames.com/index.php/Main_Page ( code here https://github.com/HeliumProject/Helium ) ,maybe similar features might be of interest for you library in future. unfortunately cannot spent much time on the system ( have other responsibilities ), but it actually looks great. Thanks. BTW there are few OSG devs in G+ , so you might share some dtEntity related news there ( G+ seems tech oriented social network, so more people could just chat with you on the issues ). Regards Sergey
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