ds615, like people have pointed out the original sdk only included portions of the mp code, what i and some others would like to edit is the sp portions as well.
I'm currently working on a max payne mod for JO/JA single player. Might be fun for the first few levels of JO and even parts of JA when you have no lightsaber
I think this is the first time i've ever started a thread in yoda's swamp
http://arstechnica.com/gaming/2013/03/an-old-hope-lucas-says-hamill-fisher-and-ford-set-for-star-wars-vii/