Hi!
Not long time ago I started a DarkOrbit PrivateServer Emulator (me and some friends), it's written in C++ and as we don't know much about C++ we don't have many things done.
It's hosted in Cloud9 IDE so you don't need to download anything, just enter in
http://www.c9.io/manulaiko/epvpmulator and take a look, if you want to edit something sendme a edit request and I'll accept it
See you!