First ZUN bug in sprite preshifting! One wrongly shifted pixel means
that we can't use the auto-preshift feature of our sprite converter -.-
Also, why did these even have to be hardcoded sprites to begin with.
These dot patterns could have been easily generated procedurally… but
even *that* wouldn't have been necessary, given that there's this nice
function called, uh, graph_r_line_patterned()? Which could have
rendered all of the lasers in the upcoming class and more?
Part of P0122, funded by Yanga.