void AccidentalState::init(const KeySigEvent& ks)
{
int type = ks.accidentalType();
memset(state, 0, 74);
for (int octave = 0; octave < 11; ++octave) {
if (type > 0) {
for (int i = 0; i < type; ++i) {
int idx = tpc2step(20 + i) + octave * 7;
if (idx < 74)
state[idx] = 1;
}
}
else {
for (int i = 0; i > type; --i) {
int idx = tpc2step(12 + i) + octave * 7;
if (idx < 74)
state[idx] = -1;
}
}
}
}
