internal static clsScore GetTopChordSeg(int[] inpercent, int[] basspercent, clsKeyTicks mkey,
clsMTime.clsSegment segment, out string chordname, out List <int> chnotes)
{
int length = 0;
foreach (int percent in inpercent)
{
if (percent > 0)
{
length++;
}
}
//if (length <= 2) {
if (length < (int)P.frmStart.nudMinChordSize.Value) //should be 0 unless advanced...
{
chordname = "";
chnotes = null;
return(null);
}
List <clsScore> chlist = GetChordsSeg(inpercent, basspercent, mkey, segment);
if (chlist.Count == 0)
{
chnotes = new List <int>();
chordname = "";
return(null);
}
chnotes = chlist[0].ChNotes; //highest score
chordname = chlist[0].Desc;
//chordname = ChordAnalysis.UTemplates[chlist[0].TIndex].Name;
return(chlist[0]);
}
internal bool?Compare(clsCFPC cf, int seg)
{
//* compare key from this to key from txtkey - return true if the same
clsKeyTicks algkey = Keys[seg];
if (algkey == null)
{
return(null);
}
//algkey = algkey.Transpose(-cf.Transpose_File);
int seglo = seg - ErrorMargin;
int seghi = seg + ErrorMargin;
for (int s = seglo; s <= seghi; s++)
{
if (s < 0 || s >= Keys.Count)
{
continue;
}
int ticks = new clsMTime.clsBBT(s, 0, 0).Ticks;
//int ticks = cf.MTime.GetTicks(s);
clsKeyTicks txtkey = P.F.Keys[ticks];
if (algkey.IsEquiv(txtkey))
{
return(true);
}
}
return(false);
}
private clsChord EvToTxt(clsCFPC.clsEv ev)
{
//* get chord txt from ev ("null", "***", chord)
clsChord chord;
if (ev.Notes.Length == 0)
{
chord = new clsChord("null", 0); //null chord
}
else if (!ev.Root)
{
chord = new clsChord("***", 0); //non-recognisable chord
}
else
{
clsKeyTicks keyticks = P.F.Keys[ev.OnTime];
//int midikey = P.F.Keys[ev.OnTime].MidiKey; //current key
if (Frm.TransposeChordNamesVal != 0)
{
keyticks = keyticks.GetTransposeNames(Frm.TransposeChordNamesVal);
//midikey = keyticks.MidiKey;
}
int rootpitch = Frm.ChordTranspose(ev.Notes[0].PC[eKBTrans.None]);
string root = NoteName.ToSharpFlat(NoteName.GetNoteName(keyticks, rootpitch));
root = root.Trim();
chord = new clsChord(root + ev.ChordQualifier, root.Length);
}
return(chord);
}
internal int Agg; //aggregate score
internal clsScore(int score, int tindex, int root, clsKeyTicks key, bool[] pc, int[] basspercent)
{
PC = pc;
Score = score;
TIndex = tindex;
Root = root;
Desc = USToTemplate.Values[tindex].Name;
COFRootKeyDistance = NoteName.IntervalToCOF[Math.Abs(Root - key.KeyNote)];
for (int n = 0; n < 12; n++)
{
if (USToTemplate.Values[tindex].PC[n])
{
ChNotes.Add((n + root).Mod12());
}
}
bool[] scalenotes = (key.Scale == "major") ? NoteName.MajScaleNotes : NoteName.MinScaleNotesAll;
int noterel;
for (int i = 0; i < 12; i++)
{
if (pc[i]) //note present in template chord
//noterel = (i - key.KBTrans_KeyNote + 12).Mod12();
{
noterel = (i - key.KeyNote).Mod12();
if (!scalenotes[i])
{
ChromaticNotes++;
}
}
}
CalcAgg(score, basspercent, root);
}
internal void Add(int midikey, string scale, int ticks)
{
//* called by loadmidifile
if (Keys.Count > 0)
{
clsKeyTicks prevkey = Keys[Keys.Count - 1];
//if (ticks < prevkey.Ticks) throw new FatalException();
if (ticks < prevkey.Ticks)
{
LogicError.Throw(eLogicError.X081);
return;
}
clsMTime.clsBBT bbt = new clsMTime.clsBBT(ticks); //should have (partial) mtime created by now
if (bbt.TicksRemBeat != 0)
{
LogicError.Throw(eLogicError.X104, "key ticks not aligned to bar");
clsMTime.clsBBT bbtbar = new ChordCadenza.clsMTime.clsBBT(bbt.Bar, 0, 0);
ticks = bbtbar.Ticks;
}
if (ticks == prevkey.Ticks)
{
//* replace key, but retain ticks
Keys.RemoveAt(Keys.Count - 1);
Keys.Add(new clsKeyTicks(midikey, scale, prevkey.Ticks));
return;
}
}
Keys.Add(new clsKeyTicks(midikey, scale, ticks));
Finish();
}
internal clsManChords(clsKeyTicks key, bool playactual)
{
Key = key;
PlayActual = playactual;
CreatePlayChord(CMajorChord);
SW.Start();
OffTimer.AutoReset = false;
OffTimer.Elapsed += OffTimerEvent;
}
internal clsKeyTicks this[int ticks, bool kbtrans] {
get {
clsKeyTicks key = Keys[GetIndex(ticks)];
if (key == null)
{
return(null);
}
return(new clsKeyTicks(key, kbtrans));
}
}
internal int MidiKey; //-7 - +7 (eg Cmajor = Aminor = 0)
internal bool IsEquiv(clsKeyTicks key) //should be called in preference to Equals(obj)
{
if (key == null)
{
return(false);
}
if (MidiKey == key.MidiKey && Scale == key.Scale)
{
return(true);
}
return(false);
}
internal static string GetNoteNameOrRoman(int pitch, clsKeyTicks key)
{
if (P.frmSC.chkShowChordsRel.Checked)
{
//return GetDegree(pitch, key.KBTrans_KeyNote);
return(GetDegree(pitch, key.KeyNote));
}
else
{
return(NoteName.ToSharpFlat(NoteName._Names[key.MajMin, key.MidiKey + 7, pitch].TrimEnd()));
}
}
internal override void ShowPicBottom(Graphics xgr)
{
clsKeyTicks key = P.F.Keys[P.F.CurrentBBT.Ticks, kbtrans : true];
for (int pitch = frmSC.ShowLowPitch; pitch <= frmSC.ShowHighPitch; pitch++)
{
//if (NoteName.Diatonic[key.MidiKey + 7, key.MajMin].Substring(pitch.Mod12(), 1) == "1") {
// frmSC.ShowBottomNote(xgr, pitch);
if (NoteName.Diatonic[key.MidiKey + 7, key.MajMin].Substring(pitch.Mod12(), 1) == "1")
{
frmSC.ShowBottomNote(xgr, pitch);
}
}
}
internal void Insert(clsKeyTicks key) //replace if ticks are equal
{
int index = GetIndex(key.Ticks);
if (Keys[index].Ticks == key.Ticks)
{
Keys.RemoveAt(index);
}
else
{
index++;
}
Keys.Insert(index, key);
Finish();
}
internal string ChordNameRoman(clsKeyTicks key, eKBTrans kbtrans) //eg I, vi, #IVo
{
if (Notes == null || Notes.Length == 0)
{
return("null");
}
if (Notes.Length < 3 || !Root)
{
return("xxxx");
}
//int rootpitch = (kbtrans) ? Notes[0].PC_KBTrans : Notes[0].PC_NoKBTrans;
//string roman = NoteName.GetDegree(rootpitch, key.KBTrans_KeyNote);
int rootpitch = Notes[0].PC[kbtrans];
string roman = NoteName.GetDegree(rootpitch, key.KeyNote);
return(roman + ChordQualifier);
}
private clsKeyTicks GetKey(int s, int keynote)
{
string scale = "major";
if (keynote > 11)
{
scale = "minor";
keynote -= 12;
}
int midikey = NoteName.PitchToMidiKey(keynote, scale, null);
int ticks = new clsMTime.clsBBT(s, 0, 0).Ticks;
//int ticks = mtime.TicksPerBeat * mtime.TSigNN * s;
clsKeyTicks key = new clsKeyTicks(midikey, scale, ticks);
//if (frmCalcKeys.optKeysText.Checked) return key.Transpose(-frmCalcKeys.CF.Transpose_File);
return(key);
}
internal static string GetNoteNameOrSolfa(int pitch, clsKeyTicks key)
{
if (P.frmSC.optShowSolfa.Checked)
{
//int keynote = key.KBTrans_KeyNote;
int keynote = key.KeyNote;
int offset = Math.Abs(((pitch - keynote).Mod12())) * 2;
return(Solfa.Substring(offset, 2).TrimEnd());
}
else if (P.frmSC.optShowNoteName.Checked)
{
return(ToSharpFlat(GetNoteName(key, pitch.Mod12())));
}
else
{
return("*");
}
}
private void WriteTraceFile(string name, List <int[]> table, string fmt, bool indkey)
{
string filename = name + "_" + Alg.ToString() + "(" + ChangePenalty + ").txt";
Stream xstream = new FileStream(@"D:\0\Sonar\Trace\" + filename, FileMode.Create, FileAccess.Write); //overwrite
using (StreamWriter xsw = new StreamWriter(xstream)) {
string line = " ";
for (int s = 0; s < table.Count; s++)
{
line += string.Format(fmt, s + 1);
}
xsw.WriteLine(line);
for (int kk = 0; kk < 24; kk++)
{
clsKeyTicks key = GetKey(0, kk);
line = key.KeyStrShort;
line = string.Format("{0, -4}", line);
string ent;
for (int s = 0; s < table.Count; s++)
{
if (table[s] == null)
{
ent = "***";
}
else
{
if (indkey)
{
clsKeyTicks entkey = GetKey(s, table[s][kk]);
ent = entkey.KeyStrShort;
}
else
{
ent = table[s][kk].ToString();
}
}
line += string.Format(fmt, ent);
}
xsw.WriteLine(line);
}
}
//xsw.Close();
}
//internal static List<string> GetMatchingChordNames(bool[] inpc, int root) {
// //* return matching chord names
// int length = 0;
// List<string> names = new List<string>();
// foreach (bool tf in inpc) if (tf) length++;
// if (length < 3 || length > 4) return names; //empty list - only 3, 4 note chords checked
// bool[] pc0 = new bool[12]; //pcs root C
// for (int i = 0; i < 12; i++) {
// if (inpc[i]) {
// int p = (i - root).Mod12(); //root C
// pc0[p] = true;
// }
// }
// foreach (clsTemplate t in Templates) {
// if (t.PC.SequenceEqual(pc0)) names.Add(t.Name);
// }
// return names;
//}
internal static clsScore GetTopChord(bool[] inpc, clsKeyTicks mkey, int maxtypenomatch,
clsMTime.clsBBT bbt, out string chordname, out List <int> chnotes)
{
int length = 0;
foreach (bool tf in inpc)
{
if (tf)
{
length++;
}
}
if (length < 2)
{
chordname = "";
chnotes = null;
return(null);
}
List <clsScore> chlist = GetChords(inpc, mkey, bbt);
for (int i = 0; i < chlist.Count; i++)
{
//clsTemplate t = ChordAnalysis.Templates[chlist[i].TIndex];
clsTemplate t = ChordAnalysis.USToTemplate.Values[chlist[i].TIndex];
if (chlist[i].Score == t.Length) //exact match (but may not be unique)
{
chordname = t.Name;
chnotes = chlist[i].ChNotes;
return(chlist[i]);
}
if (t.Rank > maxtypenomatch)
{
continue; //no match and uncommon chord
}
chordname = t.Name;
chnotes = chlist[i].ChNotes;
return(chlist[i]);
}
chordname = "";
chnotes = null;
return(null);
}
private void TransKB(clsKeyTicks key, bool kbtrans)
{
TransposeNamesSharp = key.TransposeNamesSharp;
Scale = key.Scale;
Ticks = key.Ticks;
if (kbtrans)
{
int trans = GetTransposeKB();
KeyNote = (trans == 0) ? key.KeyNote : (key.KeyNote + trans).Mod12();
MidiKey = (trans == 0) ? key.MidiKey : NoteName.PitchToMidiKey(KeyNote, Scale, null);
//KeyNoteStr = (trans == 0) ? key.KeyNoteStr : NoteName._Names[MidiKey + 7][KeyNote];
KeyNoteStr = (trans == 0) ? key.KeyNoteStr : NoteName.GetName(this, KeyNote);
}
else
{
KeyNoteStr = key.KeyNoteStr;
KeyNote = key.KeyNote;
MidiKey = key.MidiKey;
}
}
internal static void ShowChord(clsPlay.clsChordEv playchord, clsKeyTicks key)
{
if (key == null)
{
key = new ChordCadenza.clsKeyTicks(0, "major", 0);
}
int[] tchord;
if (playchord == null || playchord.Chord == null)
{
tchord = null;
}
else
{
tchord = playchord.Chord.ToArray();
for (int i = 0; i < tchord.Length; i++)
{
tchord[i] = (tchord[i] + P.frmSC.Play.TransposeKB).Mod12();
}
}
P.frmSC.BeginInvoke(new delegShowChord(ShowChordForm), tchord, key);
}
internal static int[] GetScaleChord(clsKeyTicks key)
{
//return 7 notes of scale for key, starting at doh
int[] ret = new int[7];
string diatonic = Diatonic[key.MidiKey + 7, key.MajMin];
int idia = key.KeyNote - 1;
for (int i = 0; i < 7; i++)
{
string val;
do //get next "1" in Diatonic[key, majmin]
{
if (++idia == 12)
{
idia = 0;
}
val = diatonic.Substring(idia, 1);
} while (val == "0");
ret[i] = idia;
}
return(ret);
}
internal static string ShowChordText(int[] chord, clsKeyTicks key)
{
//* form thread
//* show current playchord (root and qualifier)
if (chord == null || chord.Length < 3)
{
//P.frmSC.txtChordBottom.Text = "";
return("");
}
bool[] pcs = new bool[12];
foreach (int c in chord)
{
pcs[c] = true;
}
int rootpc = chord[0];
//List<string> names = ChordAnalysis.GetMatchingChordNames(pcs, rootpc);
//string qualifier = (names.Count == 0) ? "xxx" : names[0];
string qualifier = ChordAnalysis.GetName(pcs);
//string txt = NoteName.ToSharpFlat(NoteName._Names[key.MidiKey + 7][rootpc].TrimEnd()) + qualifier;
string txt = NoteName.ToSharpFlat(NoteName.GetName(key, rootpc).TrimEnd()) + qualifier;
return(txt);
}
// public IEnumerator<clsKey> GetEnumerator() {
// for (int i = 0; i < Keys.Count; i++) {
// yield return Keys[i];
// }
//}
//System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() {
// return GetEnumerator();
//}
//internal clsKeysTicks(clsKeysTicks keys) { //clone
// foreach (clsKeyTicks key in keys.Keys) Keys.Add(key);
//}
internal clsKeysTicks(clsKeyTicks key)
{
Keys.Add(key);
}
private static void ShowChordForm(int[] chord, clsKeyTicks key)
{
P.frmSC.txtChordBottom.Text = ShowChordText(chord, key);
}
internal static List <clsScore> GetChordsSeg(int[] inpercent, int[] basspercent, clsKeyTicks mkey, clsMTime.clsSegment segment)
{
//* inpc = segment weights for each pitchclass (0 = not present, 100 = occupies whole segment
//* calculate scores
//* segment param only used by dumpscores
List <clsScore> scores = new List <clsScore>();
bool[] prevpc = new bool[12];
int adder = (int)P.frmCfgChords.nudAdder.Value; //high value favours 3-note chords...
int factor = (int)P.frmCfgChords.nudChordFactor.Value; //high value favours notes present
for (int t = 0; t < USToTemplate.Count; t++) //each possible chord (template)
{
if (USToTemplate.Values[t].Rank > MaxType)
{
continue;
}
if (USToTemplate.Values[t].Length > MaxNotes)
{
continue;
}
if (USToTemplate.Values[t].PC.SequenceEqual(prevpc))
{
continue;
}
for (int r = 0; r < 12; r++) //for each root
{
int score = 0;
for (int p = 0; p < 12; p++) //each pitchclass
{
int pp = p - r;
if (pp < 0)
{
pp += 12;
}
//* calc score for this t/r/p
//* range: -50 to 50
//if (Templates[t].PC[pp]) score += factor * inpc[p] - adder; else score += adder - inpc[p];
if (USToTemplate.Values[t].PC[pp])
{
score += (factor * inpercent[p]) / 10 - adder;
}
else
{
score += adder - inpercent[p];
}
}
//* calc template pc relative to current key
bool[] temppc = new bool[12];
for (int i = 0; i < 12; i++)
{
if (USToTemplate.Values[t].PC[i])
{
int tempi = (i + r - mkey.KeyNote).Mod12();
temppc[tempi] = true;
}
}
clsScore newscore = new clsScore(score, t, r, mkey, temppc, basspercent);
scores.Add(newscore);
}
prevpc = USToTemplate.Values[t].PC;
}
if (scores.Count == 0)
{
return(new List <clsScore>());
}
scores.Sort(new SimpleScoreComparer()); //simple sort (score only)
scores.Reverse(); //highest score first
#if (DEBUG && DumpTopScores)
clsMTime.clsBBT bbt = new clsMTime.clsBBT(segment.SegQILo * P.F.TicksPerQI);
DumpScores(XSWDump, -1, mkey, bbt, scores, "");
#endif
//* create list of top scores, sorted by other criteria
List <clsScore> topscores = new List <clsScore>(9);
topscores.Add(scores[0]); //top score
for (int i = 1; i < scores.Count; i++) //start at second element
{
if (scores[i].Score <= scores[0].Score - (int)P.frmCfgChords.nudScoreRange.Value)
{
break;
}
topscores.Add(scores[i]);
}
//topscores.Sort(new SecondaryScoreComparer()); //secondary fields, then score
topscores.Sort(new AggScoreComparer()); //aggregate score
topscores.Reverse();
if (P.frmCfgChords.chkRemoveDups.Checked)
{
topscores = RemoveDups(topscores);
}
#if (DEBUG && DumpTopScores)
DumpScores(XSWDumpTop, -1, mkey, bbt, topscores, "");
#endif
return(topscores);
}
//#if CheckDups
// internal static clsScore CheckDups(List<clsScore> scores, clsScore newscore) {
// bool[] newpc = newscore.PC;
// for (int i = 0; i < scores.Count; i++) {
// bool[] pc = scores[i].PC;
// if (pc.SequenceEqual(newpc)) return scores[i];
// }
// return null;
// }
//#endif
internal static List <clsScore> GetChords(bool[] inpc, clsKeyTicks mkey, clsMTime.clsBBT bbt)
{
//* return scores etc. of nearest matching chords
//int[,] score = new int[Templates.Length, 12]; //[template,root]
//int maxscore = int.MinValue;
string dia = NoteName.Diatonic[mkey.MidiKey + 7, mkey.MajMin];
//******************** should above line be KBTrans???
List <clsScore> ret = new List <clsScore>();
bool[] dummy = new bool[12];
//* calculate scores
for (int t = 0; t < USToTemplate.Count; t++) //each possible chord (template)
{
if (USToTemplate.Values[t].Rank > MaxType)
{
continue;
}
if (USToTemplate.Values[t].Length > MaxNotes)
{
continue;
}
for (int r = 0; r < 12; r++) //for each root
{
int score = 0;
for (int p = 0; p < 12; p++) //each pitchclass in inchord
{
int pp = p - r;
if (pp < 0)
{
pp += 12;
}
if (inpc[p] == USToTemplate.Values[t].PC[pp])
{
if (inpc[p])
{
score++; //hit
}
}
else
{
if (inpc[p])
{
score--; //note present in inchord, but not in template
}
else //note present in template, but not inchord
{
score--;
if (dia.Substring(p, 1) == "0")
{
score--; //missing template note not diatonic
}
}
}
}
ret.Add(new clsScore(score, t, r, mkey, dummy, new int[0])); //dups not monitored
}
}
ret.Sort();
ret.Reverse(); //highest score first
#if (DEBUG && DumpTopScores)
if (bbt != null)
{
//* print InChord/Key info
string inchordstr = "";
for (int i = 0; i < 12; i++)
{
if (inpc[i])
{
inchordstr += GetNoteName(i, mkey) + " ";
}
}
DumpScores(XSWDump, 10, mkey, bbt, ret, inchordstr);
}
#endif
return(ret);
}
internal void Change(int index, clsKeyTicks key)
{
Keys[index] = key;
Finish();
}
internal clsKeyTicks(clsKeyTicks key, bool kbtrans) //clone and transpose
{
TransKB(key, kbtrans);
}
internal clsKeyTicks(clsKeyTicks key) //clone
{
TransKB(key, false);
}
