I took this same port (SDL Sopwith) and ported it to Gamecube a number of years back [1]. It was surprisingly not that hard to do. As you said, most of the wo

I took this same port (SDL Sopwith) and ported it to Gamecube a number of years back [1]. It was surprisingly not that hard to do. As you said, most of the work was in the porting to SDL. The guy who did the SDL port was Simon Howard, by the way. [1] https://code.google.com/archive/p/gamecubesopwith/ https://code.google.com/archive/p/gamecubesopwith/