arrow keys (duh)
every song has a maximum of 200000 objects (to be implemented) note that held notes/slider/whatever count as 2 objects, one for the start and one for the end some map metadata stolen from osu beatmap 1387277 hitnormal taken from osuskinner element #71283 sliderend from #70398 slider slide from #69611 TODO: revamp how game state/cache is stored so sliders can be accounted for faster/easier
