Not much. I have an implementation in the CustomPlayerPatch for reference. The biggest issue is you'll want to recode vanilla blocks probably. Other than that it's pretty straightforward. (You might be able to keep vanilla blocks with a little effort. I didn't really try)
*(Sorry I never gave the 32x32 collision a go btw. I realized you'd probably need a third collision pt and that would necessitate the thing you're talking about now. Which seemed like a major hassle custom collision, GPS, etc wise for you to deal with)
*(Sorry I never gave the 32x32 collision a go btw. I realized you'd probably need a third collision pt and that would necessitate the thing you're talking about now. Which seemed like a major hassle custom collision, GPS, etc wise for you to deal with)
