If you want to claim you know how to program, here's what you need to know. The source does not implement the password cipher the Conquer Online client needs to verify passwords on that patch. If you want to use it, you'll either have to reverse the client or implement Roy's password hook that reimplements RC5 (which you can find in other sources). You'll also have to reimplement character loading and saving, because I'm sure that's removed (or commented out if you're lucky). After doing all of that, you'll be faced with many more issues (since you're probably using a modified Trinity source). Still interested in using that source from another community?