public static Integer pickWinner(ArrayList<PitchCandidate> pitch_candidates) {
// pick highest ranking pitch candidate -> return_me[i]
ArrayList<PitchCandidate> pitch_winners = new ArrayList();
for (PitchCandidate myPC : pitch_candidates) {
System.out.println(
"pitch candidate pitch: " + myPC.getPitch() + " and rank: " + myPC.getRank());
if (pitch_winners.isEmpty()) {
pitch_winners.add(myPC);
System.out.println(
"pitch_winners is empty. adding " + myPC.getPitch() + " with rank" + myPC.getRank());
} else if (myPC.getRank() > pitch_winners.get(0).getRank()) {
pitch_winners.clear();
pitch_winners.add(myPC);
System.out.println(
"after emptying pitch_winners adding "
+ myPC.getPitch()
+ " with rank "
+ myPC.getRank());
} else if (Objects.equals(myPC.getRank(), pitch_winners.get(0).getRank())) {
pitch_winners.add(myPC);
System.out.println(
"adding " + myPC.getPitch() + " to pitch_winners with rank " + myPC.getRank());
}
}
int cp_winner = pitch_winners.get(0).getPitch();
if (pitch_winners.size() > 1)
cp_winner = pitch_winners.get(roll.nextInt(pitch_winners.size())).getPitch();
pitch_winners.clear();
return cp_winner;
}
public static ArrayList<PitchCandidate> harmonicChecksSuperBasic(
ArrayList<PitchCandidate> pitch_candidates,
MelodicNote CF_note,
Boolean CFnoteRoot,
MelodicNote CP_note) {
// begin Harmonic checks
// Will need to evaluate each CP pitch candidate against the counterpoint notes
// in each previously built voice
// Evaluate Pitch Candidates Against these checke
for (PitchCandidate myPC : pitch_candidates) {
int this_interval = abs(myPC.getPitch() - CF_note.getPitch()) % 12;
System.out.println("this interval = " + this_interval);
// compute interval whether consonant
boolean this_interval_consonant = false;
boolean root_interval_consonant = false;
for (Integer consonance : consonances) {
if (this_interval == consonance) this_interval_consonant = true;
}
if (this_interval_consonant) {
System.out.println("this interval consonant");
} else {
if (CP_note.getAccent()) {
// if (CP_note.getAccent() && CP_note.getStartTime() <= CF_note.getStartTime()) {
myPC.decrementRank(Decrements.accented_dissonance);
System.out.println("dissonant accent2");
}
}
}
return pitch_candidates;
}
public static ArrayList<PitchCandidate> harmonicChecks(
ArrayList<PitchCandidate> pitch_candidates,
MelodicNote CF_note,
Boolean CFnoteRoot,
Integer previous_cf_pitch,
Integer previous_cp_pitch,
MelodicNote CP_note,
int voice_pitch_count,
int cf_voice_index) {
// begin Harmonic checks
boolean cand_prev_cf_diss = true;
// Will need to evaluate each CP pitch candidate against the counterpoint notes
// in each previously built voice
// Evaluate Pitch Candidates Against these checke
for (PitchCandidate myPC : pitch_candidates) {
Integer cand_pitch = myPC.getPitch();
Integer cf_pitch = CF_note.getPitch();
if (previous_cp_pitch == 9999)
previous_cp_pitch = cand_pitch; // 9999 means the CP is held over to multiple cfs
Integer melody_motion_to_cand = cand_pitch - previous_cp_pitch;
int this_interval = abs(myPC.getPitch() - CF_note.getPitch()) % 12;
// if (myPC.getLatestInterval(cf_voice_index) != null) previous_cf_pitch =
// myPC.getLatestInterval(cf_voice_index); //NEW
System.out.println("this interval = " + this_interval);
Integer melodic_motion_to_ = cf_pitch - previous_cf_pitch;
Integer previous_interval = abs(previous_cp_pitch - previous_cf_pitch) % 12;
System.out.println("previous interval = " + previous_interval);
Double cp_start_time = CP_note.getStartTime();
Double cf_start_time = CF_note.getStartTime();
// compute interval whether consonant
boolean this_interval_consonant = false;
for (Integer consonance : consonances) {
if (this_interval == consonance) {
this_interval_consonant = true;
System.out.println(
"this_interval == "
+ consonance
+ " means this_interval_consonant == "
+ this_interval_consonant);
break;
}
}
if (this_interval_consonant) {
System.out.println("this interval consonant");
if (this_interval == 0) {
myPC.decrementRank(Decrements.octave);
System.out.println("octave");
}
} else {
if (this_interval == 1
&& (abs(myPC.getPitch() - CF_note.getPitch()) < 14 || large_dissonance_bad)) {
myPC.decrementRank(Decrements.minor_9th);
System.out.println("minor 9th");
}
if (CP_note.getAccent()
&& (abs(myPC.getPitch() - CF_note.getPitch()) < 36 || large_dissonance_bad)) {
// if (CP_note.getAccent() && CP_note.getStartTime()<= CF_note.getStartTime() ) {
myPC.decrementRank(Decrements.accented_dissonance);
System.out.println("dissonant accent");
}
}
// compute previous_interval consonant
boolean previous_interval_consonant = false;
for (Integer consonance : consonances) {
if (previous_interval == consonance) previous_interval_consonant = true;
}
if (previous_interval_consonant) System.out.println("previous interval consonant");
if (cp_start_time > cf_start_time) {
System.out.println("CP starts after CF");
if (melody_motion_to_cand == 0) {
myPC.decrementRank(Decrements.seq_of_same_cons);
}
if (previous_interval_consonant) {
if (!this_interval_consonant && abs(melody_motion_to_cand) > 2) {
myPC.decrementRank(Decrements.bad_diss_approach_from_cons);
}
} else if (this_interval_consonant) {
if (abs(melody_motion_to_cand) > 2) {
myPC.decrementRank(Decrements.bad_cons_approach_from_diss);
}
} else {
if (abs(melody_motion_to_cand) > 4) { // New_Interval is dissonant
myPC.decrementRank(Decrements.bad_diss_approach_from_diss);
}
}
} else if (cp_start_time < cf_start_time) {
System.out.println("CP starts before CF");
if (previous_interval_consonant) {
if (previous_interval == this_interval) {
myPC.decrementRank(Decrements.seq_same_type_cons);
}
} else { // ie Previous_Interval is dissonant
if (this_interval_consonant) {
if (abs(melodic_motion_to_) > 2)
myPC.decrementRank(Decrements.bad_cons_approach_from_diss);
} else // New_Interval is dissonant
if (abs(melodic_motion_to_) > 4)
myPC.decrementRank(Decrements.bad_diss_approach_from_diss);
}
} else {
System.out.println("CP and CF start at the same time");
if (previous_interval_consonant) {
if (this_interval_consonant) {
for (Integer consonance : consonances) {
if ((cand_pitch - previous_cf_pitch) % 12 == consonance) {
cand_prev_cf_diss = false;
}
}
if (cand_prev_cf_diss == true) myPC.decrementRank(Decrements.diss_cp_previous_cf);
if (previous_interval == this_interval) {
same_consonant_count++;
if (same_consonant_count > same_consonant_threshold)
myPC.decrementRank(Decrements.seq_of_same_cons);
}
// Too many of same type of interval
for (Integer perfect_consonance : perfect_consonances) {
if (this_interval == perfect_consonance) {
if (this_interval == previous_interval) {
myPC.decrementRank(Decrements.seq_same_type_cons);
if (melody_motion_to_cand > 0)
if (melodic_motion_to_ > 0)
myPC.decrementRank(Decrements.parallel_perf_consonance);
if (melody_motion_to_cand < 0)
if (melodic_motion_to_ < 0)
myPC.decrementRank(Decrements.parallel_perf_consonance);
}
} else {
if (melody_motion_to_cand > 0)
if (melodic_motion_to_ > 0)
myPC.decrementRank(Decrements.direct_motion_perf_cons);
if (melody_motion_to_cand < 0)
if (melodic_motion_to_ < 0)
myPC.decrementRank(Decrements.direct_motion_perf_cons);
}
}
// If dissonance between CP1 and CF2 is this resolved?
} else // New_Interval is dissonant
myPC.decrementRank(Decrements.motion_into_diss_both_voices_change);
} else // ie Previous_Interval is dissonant
if (this_interval_consonant) {
for (Integer consonance : consonances) {
if ((cand_pitch - previous_cp_pitch) % 12 == consonance) {
cand_prev_cf_diss = false;
}
}
if (cand_prev_cf_diss == true) myPC.decrementRank(Decrements.diss_cp_previous_cf);
if (melody_motion_to_cand > 0)
if (melodic_motion_to_ > 0) myPC.decrementRank(Decrements.direct_motion_perf_cons);
if (melody_motion_to_cand < 0)
if (melodic_motion_to_ < 0) myPC.decrementRank(Decrements.direct_motion_perf_cons);
} else { // this interval is dissonant
myPC.decrementRank(Decrements.motion_into_diss_both_voices_change);
myPC.decrementRank(Decrements.seq_of_diss);
if (this_interval == previous_interval) {
myPC.decrementRank(Decrements.seq_same_type_diss);
if (melody_motion_to_cand > 0)
if (melodic_motion_to_ > 0) myPC.decrementRank(Decrements.direct_motion_into_diss);
if (melody_motion_to_cand < 0)
if (melodic_motion_to_ < 0) myPC.decrementRank(Decrements.direct_motion_into_diss);
}
}
}
myPC.setLatestInterval(cf_pitch, cf_voice_index);
}
return pitch_candidates;
}
public static ArrayList<PitchCandidate> melodicCheck(
ArrayList<PitchCandidate> pitch_candidates,
ModeModule my_mode_module,
MelodicVoice alter_me,
Integer pitch_center,
int voice_pitch_count,
Integer previous_cp_pitch,
Integer previous_melodic_interval,
Boolean is_accent) {
// Melodic Checks
// Evaluate each pitch candidate
for (PitchCandidate myPC : pitch_candidates) {
int cand_pitch = myPC.getPitch();
int melody_motion_to_cand = 0;
System.out.println("melodicCheck evaluating pitch candidate " + cand_pitch);
// Check if Dissonant with Root
boolean root_interval_consonant = false;
int root_interval = abs(cand_pitch - root_key) % 12;
for (Integer consonance : root_consonances) {
if (root_interval == consonance) root_interval_consonant = true;
}
if (root_interval_consonant) {
System.out.println(cand_pitch + " root interval consonant");
} else {
if (is_accent) {
myPC.decrementRank(Decrements.dissonant_with_root);
System.out.println(cand_pitch + " dissonant accent with root");
} else System.out.println("dissonant with root but note accent = " + is_accent);
}
// randomly decrement non-tonics
if (cand_pitch % 12 != my_mode_module.getTonic() && roll.nextInt(2) == 1) {
myPC.decrementRank(Decrements.is_not_tonic);
System.out.println(cand_pitch + " is not tonic");
}
// decrement illegal notes
if (cand_pitch < 0 || cand_pitch > 127) {
myPC.decrementRank(Decrements.illegal_note);
System.out.println(cand_pitch + " is illegal note");
}
// decrement motion outside of voice range
if (cand_pitch < alter_me.getRangeMin() || cand_pitch > alter_me.getRangeMax()) {
myPC.decrementRank(Decrements.outside_range);
System.out.println(
cand_pitch + " outside range " + alter_me.getRangeMin() + "-" + alter_me.getRangeMax());
}
// decrement too far from pitch center
if (abs(cand_pitch - pitch_center) > 16) {
myPC.decrementRank(Decrements.remote_from_pitchcenter);
System.out.println(cand_pitch + " too far from pitch center" + pitch_center);
}
if (voice_pitch_count > 0) {
melody_motion_to_cand = cand_pitch - previous_cp_pitch;
// The candidate has already followed the preceding note too often. (method created)
// look for previous_cp_pitch in PitchCount
// if it's there get_count
// if the count is greater than samplesize
// check if previous_cp_pitch and pitch_candidate in MOtion Counts
// if so get count - then divide motion count by pitch count
// get the percentage from mode module
// if actual count is greater than mode module percentage decrement
for (PitchCount my_pitch_count : pitch_counts) {
if (my_pitch_count.getPitch() == previous_cp_pitch % 12)
if (my_pitch_count.getCount() > sample_size)
for (MotionCount my_motion_count : motion_counts) {
// logger.log(Level.INFO, "Entering Motion Counts");
// System.out.println("pitch_count for " + previous_cp_pitch %12 + " = " +
// my_pitch_count.getCount());
// System.out.println("motion count " + my_motion_count.getCount());
if (my_motion_count.getPreviousPitch() == previous_cp_pitch % 12
&& my_motion_count.getSucceedingPitch() == cand_pitch % 12) {
double actual =
(double) my_motion_count.getCount() / (double) my_pitch_count.getCount();
System.out.println("actual = " + actual);
double thresh = 0.20;
if (my_mode_module.getMelodicMotionProbability(
cand_pitch, previous_cp_pitch, key_transpose)
!= null) {
thresh =
my_mode_module.getMelodicMotionProbability(
cand_pitch, previous_cp_pitch, key_transpose);
System.out.println(
"motion probability of "
+ previous_cp_pitch
+ " to "
+ cand_pitch
+ " = "
+ thresh);
} else
System.out.println(
"motion probability of "
+ previous_cp_pitch
+ " to "
+ cand_pitch
+ " is NULL");
if (actual >= thresh) {
myPC.decrementRank(Decrements.melodic_motion_quota_exceed);
System.out.println(
cand_pitch + " is approached too often from " + previous_cp_pitch);
}
}
}
}
}
if (voice_pitch_count > 1) {
// Peak/Trough check
// a melodic phrase should have no more than two peaks and two troughs
// a peak is defined as a change in melodic direction
// so when a candidate pitch wants to go in the opposite direction of
// the previous melodic interval we want to increment the peak or trough count accordingly
// and determine whether we have more than two peaks or more than two troughs
// note that the melody can always go higher or lower than the previous peak or trough
if (previous_melodic_interval < 0
&& melody_motion_to_cand
> 0) { // will there be a change in direction from - to + ie trough?
if (previous_cp_pitch == trough)
trough_count++; // will this trough = previous trough? then increment
}
if (previous_melodic_interval > 0 && melody_motion_to_cand < 0) { // will there be a trough?
if (previous_cp_pitch == peak)
peak_count++; // will this trough = previous trough? then increment
}
if (peak_count > 1 || trough_count > 1) {
peak_count--; // remember to decrement these counts since we won't actually use this pitch
trough_count--;
myPC.decrementRank(Decrements.peak_trough_quota_exceed);
System.out.println(cand_pitch + " duplicates previous peak or trough");
}
// Motion after Leaps checks
// First check if the melody does not go in opposite direction of leap
// then check if there are two successive leaps in the same direction
if (previous_melodic_interval > 4 && melody_motion_to_cand > 0) {
myPC.decrementRank(Decrements.bad_motion_after_leap);
System.out.println(
melody_motion_to_cand + " to " + cand_pitch + " is bad motion after leap");
if (melody_motion_to_cand > 4) {
myPC.decrementRank(Decrements.successive_leaps);
System.out.println(cand_pitch + " is successive leap");
}
}
if (previous_melodic_interval < -4 && melody_motion_to_cand < 0) {
myPC.decrementRank(Decrements.bad_motion_after_leap);
System.out.println(
melody_motion_to_cand + " to " + cand_pitch + " is bad motion after leap");
if (melody_motion_to_cand < -4) {
myPC.decrementRank(Decrements.successive_leaps);
System.out.println(cand_pitch + " is successive leap");
}
}
}
// end melody checks
} // next pitch candidate
return pitch_candidates;
}