// ugh
int stem_length_i = 7 - 2;
// ugh, Stem::stem_start vs Stem::stem_end
int pos = (int)(stem_l->stem_end_f() - midpos) - dir_i * stem_length_i;
// ugh
int stem_length_i = 7 - 2;
// ugh, Stem::stem_start vs Stem::stem_end
int pos = (int)(stem_l->stem_end_f() - midpos) - dir_i * stem_length_i;