public void addSegment(SongSegment x)
{
songData.Add(x);
}
public double generate_Jazz(SongParameters paramets)
{
Random randomizer = new Random(paramets.seed);
int mode; // 0 = Major 1 = Minor
String key;
String gen;
String timeSigPattern = ""; //Simple or Compound Meter
int timeSigQuant = 0; // 2 = Duple, 3 = Triple, etc
int numpatterns = 0;
String[] notes = { "A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#" }; //array of all note values
//Select Mode
mode = randomizer.Next(2);
//Select Key
key = notes[randomizer.Next(12)];
//Set genre
gen = paramets.genre;
//Now also sets the genre
Song output = new Song(paramets.tempo, key, paramets.genre);
Console.Out.WriteLine(key);
Console.Out.WriteLine(paramets.genre);
int randOutput = randomizer.Next(2);
switch (randOutput)
{
case 0:
timeSigPattern = "Simple";
break;
case 1:
timeSigPattern = "Compound";
break;
}
timeSigQuant = randomizer.Next(3) + 2;
Console.Out.WriteLine(timeSigPattern + " " + timeSigQuant);
//numpatterns is a value between 2 and 6
numpatterns = randomizer.Next(4) + 2;
List<Song.SongSegment> patterns = new List<Song.SongSegment>();
for (int i = 0; i < numpatterns; i++)
{
Song.SongSegment thisSection = new Song.SongSegment();
randOutput = randomizer.Next(8) + 1;
int measures = randOutput * 4;
int rep = 0;
while (rep == 0 || (measures % rep != 0))
{
rep = (randomizer.Next(8) + 1) * 4;
}
SongPattern inGeneration = new SongPattern(measures, rep);
bool prevWasHalf = false;
for (int j = 0; j < inGeneration.repeatEvery / 4; j++)
{
int numChords = randomizer.Next(6) + 1;
String chord = "";
if (numChords == 1)
{
chord = "1";
}
if (numChords == 2)
{
if (j == 0 || prevWasHalf)
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(2);
switch (randOutput)
{
case 0:
chord = "15";
break;
case 1:
chord = "1";
break;
}
}
else
{
chord = "1";
}
}
else
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(9);
switch (randOutput)
{
case 0:
chord = "16";
break;
case 1:
chord = "56";
break;
case 2:
chord = "76";
break;
case 3:
chord = "15";
break;
case 4:
chord = "45";
break;
case 5:
chord = "25";
break;
case 6:
chord = "51";
break;
case 7:
chord = "41";
break;
case 8:
chord = "71";
break;
}
}
else
{
randOutput = randomizer.Next(3);
switch (randOutput)
{
case 0:
chord = "51";
break;
case 1:
chord = "71";
break;
}
}
}
}
if (numChords == 3)
{
if (j == 0 || prevWasHalf)
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(6);
switch (randOutput)
{
case 0:
chord = "145";
break;
case 1:
chord = "125";
break;
case 2:
chord = "156";
break;
case 3:
chord = "151";
break;
case 4:
chord = "171";
break;
case 5:
chord = "141";
break;
}
}
else
{
randOutput = randomizer.Next(3);
switch (randOutput)
{
case 0:
chord = "151";
break;
case 1:
chord = "171";
break;
case 2:
chord = "141";
break;
}
}
}
else
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(17);
switch (randOutput)
{
case 0:
chord = "125";
break;
case 1:
chord = "145";
break;
case 2:
chord = "625";
break;
case 3:
chord = "645";
break;
case 4:
chord = "345";
break;
case 5:
chord = "156";
break;
case 6:
chord = "256";
break;
case 7:
chord = "456";
break;
case 8:
chord = "151";
break;
case 9:
chord = "251";
break;
case 10:
chord = "451";
break;
case 11:
chord = "171";
break;
case 12:
chord = "271";
break;
case 13:
chord = "471";
break;
case 14:
chord = "141";
break;
case 15:
chord = "641";
break;
case 16:
chord = "341";
break;
}
}
else
{
randOutput = randomizer.Next(9);
switch (randOutput)
{
case 0:
chord = "151";
break;
case 1:
chord = "251";
break;
case 2:
chord = "451";
break;
case 3:
chord = "171";
break;
case 4:
chord = "271";
break;
case 5:
chord = "471";
break;
case 6:
chord = "141";
break;
case 7:
chord = "641";
break;
case 8:
chord = "341";
break;
}
}
}
}
if (numChords == 4)
{
if (j == 0 || prevWasHalf)
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(12);
switch (randOutput)
{
case 0:
chord = "1625";
break;
case 1:
chord = "1645";
break;
case 2:
chord = "1425";
break;
case 3:
chord = "1345";
break;
case 4:
chord = "1256";
break;
case 5:
chord = "1456";
break;
case 6:
chord = "1641";
break;
case 7:
chord = "1341";
break;
case 8:
chord = "1271";
break;
case 9:
chord = "1471";
break;
case 10:
chord = "1251";
break;
case 11:
chord = "1451";
break;
}
}
else
{
randOutput = randomizer.Next(6);
switch (randOutput)
{
case 0:
chord = "1641";
break;
case 1:
chord = "1341";
break;
case 2:
chord = "1271";
break;
case 3:
chord = "1471";
break;
case 4:
chord = "1251";
break;
case 5:
chord = "1451";
break;
}
}
}
else
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(29);
switch (randOutput)
{
case 0:
chord = "1625";
break;
case 1:
chord = "1645";
break;
case 2:
chord = "3625";
break;
case 3:
chord = "3645";
break;
case 4:
chord = "1425";
break;
case 5:
chord = "1345";
break;
case 6:
chord = "3425";
break;
case 7:
chord = "6425";
break;
case 8:
chord = "1256";
break;
case 9:
chord = "1456";
break;
case 10:
chord = "6256";
break;
case 11:
chord = "6456";
break;
case 12:
chord = "3456";
break;
case 13:
chord = "4256";
break;
case 14:
chord = "1641";
break;
case 15:
chord = "3641";
break;
case 16:
chord = "1341";
break;
case 17:
chord = "1271";
break;
case 18:
chord = "6271";
break;
case 19:
chord = "1471";
break;
case 20:
chord = "6471";
break;
case 21:
chord = "3471";
break;
case 22:
chord = "1251";
break;
case 23:
chord = "6251";
break;
case 24:
chord = "1451";
break;
case 25:
chord = "6451";
break;
case 26:
chord = "3451";
break;
case 27:
chord = "4251";
break;
case 28:
chord = "4271";
break;
}
}
else
{
randOutput = randomizer.Next(15);
switch (randOutput)
{
case 0:
chord = "1641";
break;
case 1:
chord = "3641";
break;
case 2:
chord = "1341";
break;
case 3:
chord = "1271";
break;
case 4:
chord = "6271";
break;
case 5:
chord = "1471";
break;
case 6:
chord = "6471";
break;
case 7:
chord = "3471";
break;
case 8:
chord = "1251";
break;
case 9:
chord = "6251";
break;
case 10:
chord = "1451";
break;
case 11:
chord = "6451";
break;
case 12:
chord = "3451";
break;
case 13:
chord = "4251";
break;
case 14:
chord = "4271";
break;
}
}
}
}
if (numChords == 5)
{
if (j == 0 || prevWasHalf)
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(17);
switch (randOutput)
{
case 0:
chord = "13625";
break;
case 1:
chord = "13645";
break;
case 2:
chord = "13425";
break;
case 3:
chord = "16425";
break;
case 4:
chord = "16256";
break;
case 5:
chord = "16456";
break;
case 6:
chord = "13456";
break;
case 7:
chord = "14256";
break;
case 8:
chord = "13641";
break;
case 9:
chord = "16271";
break;
case 10:
chord = "16471";
break;
case 11:
chord = "13471";
break;
case 12:
chord = "16251";
break;
case 13:
chord = "16451";
break;
case 14:
chord = "13451";
break;
case 15:
chord = "14521";
break;
case 16:
chord = "14271";
break;
}
}
else
{
randOutput = randomizer.Next(9);
switch (randOutput)
{
case 0:
chord = "13641";
break;
case 1:
chord = "16271";
break;
case 2:
chord = "16471";
break;
case 3:
chord = "13471";
break;
case 4:
chord = "16251";
break;
case 5:
chord = "16451";
break;
case 6:
chord = "13451";
break;
case 7:
chord = "14521";
break;
case 8:
chord = "14271";
break;
}
}
}
else
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(30);
switch (randOutput)
{
case 0:
chord = "13625";
break;
case 1:
chord = "13645";
break;
case 2:
chord = "13425";
break;
case 3:
chord = "16425";
break;
case 4:
chord = "36425";
break;
case 5:
chord = "16256";
break;
case 6:
chord = "36256";
break;
case 7:
chord = "16456";
break;
case 8:
chord = "36456";
break;
case 9:
chord = "13456";
break;
case 10:
chord = "14256";
break;
case 11:
chord = "64256";
break;
case 12:
chord = "34256";
break;
case 13:
chord = "13641";
break;
case 14:
chord = "16271";
break;
case 15:
chord = "36271";
break;
case 16:
chord = "16471";
break;
case 17:
chord = "36471";
break;
case 18:
chord = "13471";
break;
case 19:
chord = "16251";
break;
case 20:
chord = "36251";
break;
case 21:
chord = "16451";
break;
case 22:
chord = "36451";
break;
case 23:
chord = "13451";
break;
case 24:
chord = "14251";
break;
case 25:
chord = "34251";
break;
case 26:
chord = "64251";
break;
case 27:
chord = "14271";
break;
case 28:
chord = "34271";
break;
case 29:
chord = "64271";
break;
}
}
else
{
randOutput = randomizer.Next(17);
switch (randOutput)
{
case 0:
chord = "13641";
break;
case 1:
chord = "16271";
break;
case 2:
chord = "36271";
break;
case 3:
chord = "16471";
break;
case 4:
chord = "36471";
break;
case 5:
chord = "13471";
break;
case 6:
chord = "16251";
break;
case 7:
chord = "36251";
break;
case 8:
chord = "16451";
break;
case 9:
chord = "36451";
break;
case 10:
chord = "13451";
break;
case 11:
chord = "14251";
break;
case 12:
chord = "34251";
break;
case 13:
chord = "64251";
break;
case 14:
chord = "14271";
break;
case 15:
chord = "34271";
break;
case 16:
chord = "64271";
break;
}
}
}
}
if (numChords == 6)
{
if (j == 0 || prevWasHalf)
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(13);
switch (randOutput)
{
case 0:
chord = "136425";
break;
case 1:
chord = "136256";
break;
case 2:
chord = "136456";
break;
case 3:
chord = "164256";
break;
case 4:
chord = "134256";
break;
case 5:
chord = "136271";
break;
case 6:
chord = "136471";
break;
case 7:
chord = "136251";
break;
case 8:
chord = "136451";
break;
case 9:
chord = "134251";
break;
case 10:
chord = "164251";
break;
case 11:
chord = "134271";
break;
case 12:
chord = "164271";
break;
}
}
else
{
randOutput = randomizer.Next(8);
switch (randOutput)
{
case 0:
chord = "136271";
break;
case 1:
chord = "136471";
break;
case 2:
chord = "136251";
break;
case 3:
chord = "136451";
break;
case 4:
chord = "134251";
break;
case 5:
chord = "164251";
break;
case 6:
chord = "134271";
break;
case 7:
chord = "164271";
break;
}
}
}
else
{
if (j != (inGeneration.repeatEvery / 4) - 1)
{
randOutput = randomizer.Next(16);
switch (randOutput)
{
case 0:
chord = "136425";
break;
case 1:
chord = "136256";
break;
case 2:
chord = "136456";
break;
case 3:
chord = "164256";
break;
case 4:
chord = "364256";
break;
case 5:
chord = "134256";
break;
case 6:
chord = "136271";
break;
case 7:
chord = "136471";
break;
case 8:
chord = "136251";
break;
case 9:
chord = "136451";
break;
case 10:
chord = "134251";
break;
case 11:
chord = "164251";
break;
case 12:
chord = "364251";
break;
case 13:
chord = "134271";
break;
case 14:
chord = "164271";
break;
case 15:
chord = "364271";
break;
}
}
else
{
randOutput = randomizer.Next(10);
switch (randOutput)
{
case 0:
chord = "136271";
break;
case 1:
chord = "136471";
break;
case 2:
chord = "136251";
break;
case 3:
chord = "136451";
break;
case 4:
chord = "134251";
break;
case 5:
chord = "164251";
break;
case 6:
chord = "364251";
break;
case 7:
chord = "134271";
break;
case 8:
chord = "164271";
break;
case 9:
chord = "364271";
break;
}
}
}
}
int sumRhythm = 0;
numChords = chord.Length;
int rhythm = 0;
int measureLen = 0;
//TODO Add rules for generating rhythm
for (int count = 0; count < numChords; count++)
{
if (timeSigPattern.Equals("Simple"))
{
if (timeSigQuant == 2)
{
measureLen = 4;
}
if (timeSigQuant == 3)
{
measureLen = 6;
}
if (timeSigQuant == 4)
{
measureLen = 8;
}
if (count == numChords - 6)
{
rhythm = randomizer.Next(measureLen) + 1;
}
if (count == numChords - 5)
{
if (sumRhythm % 2 != 0)
{
do
{
rhythm = randomizer.Next(2 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= measureLen && (rhythm + sumRhythm) % 2 != 0));
}
else
{
do
{
rhythm = randomizer.Next(2 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && rhythm + sumRhythm % measureLen != 0));
}
}
if (count == numChords - 4)
{
if (sumRhythm % 2 != 0)
{
do
{
rhythm = randomizer.Next(3 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 2 != 0));
}
else
{
do
{
rhythm = randomizer.Next(3 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 3)
{
if (sumRhythm % 2 != 0)
{
do
{
rhythm = randomizer.Next(3 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 2 != 0));
}
else
{
do
{
rhythm = randomizer.Next(3 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 2)
{
if (sumRhythm % 2 != 0)
{
do
{
rhythm = randomizer.Next(4 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 2 != 0));
}
else
{
do
{
rhythm = randomizer.Next(4 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 1)
{
rhythm = 4 * measureLen - sumRhythm;
}
}
else
{
if (timeSigQuant == 2)
{
measureLen = 6;
}
if (timeSigQuant == 3)
{
measureLen = 9;
}
if (timeSigQuant == 4)
{
measureLen = 12;
}
if (count == numChords - 6)
{
rhythm = randomizer.Next(measureLen) + 1;
}
if (count == numChords - 5)
{
if (sumRhythm % 3 != 0)
{
do
{
rhythm = randomizer.Next(2 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= measureLen && (rhythm + sumRhythm) % 3 != 0));
}
else
{
do
{
rhythm = randomizer.Next(2 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && rhythm + sumRhythm % measureLen != 0));
}
}
if (count == numChords - 4)
{
if (sumRhythm % 3 != 0)
{
do
{
rhythm = randomizer.Next(3 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 3 != 0));
}
else
{
do
{
rhythm = randomizer.Next(3 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 3)
{
if (sumRhythm % 3 != 0)
{
do
{
rhythm = randomizer.Next(3 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 3 != 0));
}
else
{
do
{
rhythm = randomizer.Next(3 * measureLen - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 2)
{
if (sumRhythm % 3 != 0)
{
do
{
rhythm = randomizer.Next(4 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0) || (rhythm + sumRhythm <= (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % 3 != 0));
}
else
{
do
{
rhythm = randomizer.Next(4 * measureLen - 1 - sumRhythm) + 1;
} while ((rhythm + sumRhythm > (sumRhythm + (measureLen - sumRhythm % measureLen)) && (rhythm + sumRhythm) % measureLen != 0));
}
}
if (count == numChords - 1)
{
rhythm = 4 * measureLen - sumRhythm;
}
}
thisSection.chordPattern.Add(generateJazzChord(mode, key, chord[count], 2 * rhythm));
sumRhythm += rhythm;
}
/*if (chord[chord.Length - 1] == '5')
{
prevWasHalf = true;
}*/
}
composeJazzMelody(thisSection, randomizer, key, mode, timeSigPattern, timeSigQuant, paramets.tempo);
patterns.Add(thisSection);
}
const int MAXNUMSECTIONS = 8;
//totalSections is a random number between 1 and 8
int totalSections = randomizer.Next(MAXNUMSECTIONS) + 1;
//numReps denotes how many time any section can be repeated in a song denoted by (the total number of sections - the number of available patterns)
int numReps = totalSections - numpatterns;
//if the random value says to utilize fewer sections than have been generated, simply make the song the list of all generated sections
if (numReps < 1)
{
for (int i = 0; i < numpatterns; i++)
{
output.addSegment(patterns[i]);
}
}
//otherwise make numReps number of repetitions in the production of the song
else
{
//denotes the number value of the furthest section placed into the song
int patNum = -1;
//denotes the number value of the preceding section placed into the song
int prevSec = -1;
for (int i = 0; i < totalSections; i++)
{
//if you can't repeat anymore fill out the list
if (numReps < 1)
{
patNum++;
output.addSegment(patterns[patNum]);
prevSec = patNum;
}
// if you can repeat
else
{
//and you've already gone through the list, your only option is to repeat
if (patNum + 1 == numpatterns)
{
do
{
randOutput = randomizer.Next(numpatterns);
} while (randOutput == prevSec);
numReps--;
output.addSegment(patterns[randOutput]);
prevSec = randOutput;
}
//if you haven't gotten all the way through the list, you can keep traversing or repeat
else
{
randOutput = randomizer.Next(2);
if (prevSec == 0 || randOutput == 0)
{
patNum++;
output.addSegment(patterns[patNum]);
prevSec = patNum;
}
else
{
do
{
randOutput = randomizer.Next(patNum + 1);
} while (randOutput == prevSec);
numReps--;
output.addSegment(patterns[randOutput]);
prevSec = randOutput;
}
}
}
}
}
BlottoBeats.MidiOut.MidiOut outgoing = new BlottoBeats.MidiOut.MidiOut();
double songLen = outgoing.outputToMidi(output);
return songLen;
}
