This something i always thought would be fun… had some spare time and v1.13’s source code so sat down and started a multiplayer mod… mostly learning by example from the code as i had never compiled an exe in visual studio before ! :p
Here is a link to a copy of the readme i have been keeping about it, and the current forum thread about it:
http://www.ja-galaxy-forum.com/board/ubbthreads.php?ubb=showflat&Number=189794&page=0&fpart=1
[Update]
Here’s an interview given to the 1.13 development team, it includes my responses as well as most of the other members…
http://www.jagalaxy.com/phpfaq/index.php?action=artikel&cat=26&id=224&artlang=en