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(
// helper funcs
var hsArrayToCents, pDist, hdSum, hsChordalDistance, hsArrayToFreq;
// score funcs
var isInRange, spacingScore, rangeScore, intervalScore, inclusionScore;
// subroutines
var genTuples, initVoices, genOrder, genSubMotif, updateVoices;
// primary routines
var genMotif, genSecondarySeq;
// audition funcs
var genPatterns, genMidiPatterns;
// resource management funcs
var writeResources, prettifyArray, setSeeds, sanityCheck, msgInterpret;
// global vars (many set by OSC funcs at bottom)
var refSeed, seed, lastXChanges, popSize, exPath, dir, primes, dims, tuples, ranges, durFunc, seq, group, player;
//------helper funcs
hsArrayToCents = {
arg hsArray;
hsArray.collect({arg dist, p; dist * 1200 * log2(primes[p][0]/primes[p][1])}).sum
};
pDist = {
arg array1, array2, signed = false;
var pDistance;
pDistance = hsArrayToCents.value(array1) - hsArrayToCents.value(array2);
if(signed, {pDistance}, {abs(pDistance)})
};
hdSum = {
arg hsArrays;
var size, distances, mean;
size = hsArrays.size;
distances = (size - 1).collect({arg i;
((i + 1)..(size - 1)).collect({arg j;
abs(hsArrays[i] - hsArrays[j]).collect({arg dist, p; dist * log2(primes[p].product)}).sum
});
}).flat;
mean = distances.sum / distances.size;
distances.sum
//mean + ((1 / sqrt((pow(distances - mean, 2)).sum / distances.size)) * mean)
};
hsChordalDistance = {
arg hsArrays1, hsArrays2;
var size, distances, mean;
size = hsArrays1.size;
distances = hsArrays1.size.collect({arg i;
hsArrays2.size.collect({arg j;
abs(hsArrays1[i] - hsArrays2[j]).collect({arg dist, p; dist * log2(primes[p].product)}).sum
});
}).flat;
mean = distances.sum / distances.size;
distances.sum
//mean + ((1 / sqrt((pow(distances - mean, 2)).sum / distances.size)) * mean)
};
hsArrayToFreq = {
arg array;
array.collect({arg dim, d; pow(primes[d][0]/primes[d][1], dim)}).product
};
//------score funcs
/*
isInRange = {
arg hsArray, min, max;
var cents;
cents = hsArrayToCents.value(hsArray);
(cents >= min) && (cents <= max)
};
*/
spacingScore = {
arg hsArrays, min;
var centsArray;
centsArray = hsArrays.collect({arg hsArray; hsArrayToCents.value(hsArray)}).sort({arg a, b; a < b});
centsArray.differentiate.drop(1).collect({arg pDistance; if(pDistance >= min, {1}, {0.01})}).sum;
};
rangeScore = {
arg hsArray1, hsArray2, min, max, low, signed = false;
var pDistance;
pDistance = pDist.value(hsArray1, hsArray2, signed);
if((pDistance >= min) && (pDistance <= max), {1}, {low});
};
intervalScore = {
arg hsArray1, hsArray2, mean, sd, signed = false;
var pDistance;
pDistance = pDist.value(hsArray1, hsArray2, signed);
pDistance.gaussCurve(1, mean, sd)
};
inclusionScore = {
arg array, test, min = 0.01;
if(array.collect({arg v; v.hash}).includes(test.hash), {min}, {1});
};
//------subroutines
genTuples = {
var tuples;
tuples = dims.collect({[-1, 0, 1]}).allTuples.select({arg tuple; (abs(tuple.drop(1)).sum <= 1) && (tuple[0] == 0)});
tuples = tuples ++ tuples.collect({arg tuple; [-3, -2, -1, 1, 2, 3].collect({arg octTrans; tuple.deepCopy.put(0, octTrans)})}).flatten;
};
initVoices = {
var init, voicesInit;
voicesInit = popSize.collect({dims.collect({0})});
/*
voicesInit = [dims.collect({0})];
(popSize - 1).do({
arg rep, new;
rep = dims.rand;
new = voicesInit.last.deepCopy;
new[rep] = new[rep] + [-1, 1].choose();
voicesInit = voicesInit.add(new);
});
*/
voicesInit.deepCopy;
};
genOrder = {arg minLength = 0, maxLength = 5;
var noProgIns, noSusIns, noSilentIns, prog, sus, silent, order;
noProgIns = (popSize - 1).rand + 1;
noSusIns = (popSize - noProgIns).rand + 1;
noSilentIns = popSize - noSusIns - noProgIns;
# prog, sus, silent = (0..(popSize-1)).scramble.clumps([noProgIns, noSusIns, noSilentIns]);
prog = (prog.scramble ++ ((maxLength - minLength).rand + minLength).collect({prog.choose}).scramble);
if(silent == nil, {silent = []});
[sus.scramble, prog, silent.scramble]
};
updateVoices = {arg ins, sus;
var voices, candidates, nWeights, nProbs, sel;
voices = lastXChanges.deepCopy.last;
candidates = sus.collect({arg v; tuples.collect({arg t; voices[v] + t})}).flatten;
candidates = difference(candidates.asSet, voices.asSet).asList;
nProbs = candidates.collect({arg candidate;
var stepScore, recentlySoundedScore, isInRangeScore, regScore, hdScore;
//stepScore = intervalScore.value(voices[ins], candidate, 30, 400, 0.1);
stepScore = intervalScore.value(voices[ins], candidate, 100, 100);
recentlySoundedScore = inclusionScore.value(lastXChanges.flop[ins], candidate, 0);
isInRangeScore = rangeScore.value(candidate, candidate.collect({0}), ranges[ins][0], ranges[ins][1], 0, true);
regScore = spacingScore.value(voices.deepCopy.put(ins, candidate), 300);
hdScore = 1/pow(hdSum.value(voices.deepCopy.put(ins, candidate)), 2);
//maybe what you want here is a vector to another root and then favoring movement towards it.
//distScore = pow(hsChordalDistance.value(voices, voices.put(ins, candidate)), 2);
[stepScore, recentlySoundedScore, isInRangeScore, regScore, hdScore]
});
nWeights = [1, 1, 1, 1, 1];
//this handles nWeights of 0; mainly for testing
nProbs = nProbs.flop.select({arg scores, s; nWeights[s] != 0}).flop;
nWeights = nWeights.select({arg weight; weight != 0});
nProbs = nProbs.flop.collect({arg scores, s;
if(scores.sum == 0, {scores}, {scores.normalizeSum * nWeights[s]})
});
nProbs = nProbs.flop.collect({arg scores, s; scores.product}).normalizeSum;
sel = candidates.wchoose(nProbs);
voices[ins] = sel;
lastXChanges = lastXChanges.add(voices).keep(-5);
};
genSubMotif = {arg order, lastState, repeatLast = false, startFromLast = false, isLastOrder = false;
var sus, prog, silent, res, lastIns, lastXChangesHold, voices, adder;
# sus, prog, silent = order;
lastXChangesHold = lastXChanges.deepCopy;
voices = lastState.deepCopy;
lastIns = nil;
res = [];
"------generating motif".postln;
//need to figure out here if voices move between motifs
(silent ++ sus ++ prog).do({arg ins, i;
if(prog.includes(ins) && repeatLast.not, {updateVoices.value(ins, sus)});
adder = if(silent.includes(ins), {["Rest"]}, {lastXChanges.last.deepCopy[ins]});
if(voices[ins] != adder, {
var dur;
//dur = [durFunc.value(), 0].wchoose([1, 0].normalizeSum);
dur = durFunc.value(lastIns, ins);
voices[ins] = adder;
res = res.add([voices.deepCopy.postln, dur.round(0.125)]);
});
lastIns = ins;
});
// pad ending
if(isLastOrder, {
(0..(popSize-1)).scramble.do({arg ins;
if(res.last.first[ins] != ["Rest"], {
var dur;
voices[ins] = ["Rest"];
//dur = [durFunc.value(), 0].wchoose([1, 0].normalizeSum);
dur = durFunc.value(lastIns, ins);
res = res.add([voices.deepCopy.postln, dur.round(0.125)]);
});
lastIns = ins;
});
});
//format and return
if(startFromLast, {lastXChanges = lastXChangesHold});
res;
};
//------primary routines
genMotif = {arg inOrders;
var orders, repeats, fSeq;
repeats = 1;
fSeq = [];
repeats.do({arg index;
var motif;
motif = [];
orders = inOrders;
orders.do({arg order, o;
var lastState, subMotif;
lastState = if(o == 0, {popSize.collect({["Rest"]})}, {motif.last.last.first});
subMotif = genSubMotif.value(order, lastState, isLastOrder: o == (orders.size - 1));
motif = motif.add(subMotif);
});
sanityCheck.value(motif, index);
fSeq = fSeq.add(motif);
});
fSeq
};
genSecondarySeq = {arg seq;
var curdles, fSeq;
curdles = [];
while({curdles.sum < seq.size}, {curdles = curdles ++ [3.rand + 1]});
fSeq = seq.clumps(curdles).collect({arg clump, m;
var repeats, paddedSeq;
//add rest
paddedSeq = clump.add([[[popSize.collect({["Rest"]}), 0.5.rand]]]);
//implement repeats
repeats = [0.rand + 1, 1].wchoose([1, 0].normalizeSum);
repeats.collect({paddedSeq});
});
fSeq
};
//------audition funcs
genPatterns = {arg seq;
var voices, durs, patterns, res;
# voices, durs = seq.flatten2(seq.maxDepth - 5).flop;
res = Ppar(
voices.flop.collect({arg voice;
var clumps, hdScores, freqs, fDurs;
clumps = voice.separate({arg a, b; a != b });
freqs = clumps.collect({arg clump; if(clump[0] != ["Rest"], {(60.midicps * hsArrayToFreq.value(clump[0]))}, {Rest(0)})});
fDurs = durs.clumps(clumps.collect({arg clump; clump.size})).collect({arg clump; clump.sum});
Pbind(
\instrument, \test,
\group, group,
\freq, Pseq(freqs, 1),
\dur, Pseq(fDurs, 1),
\sustain, Pseq(fDurs, 1)
);
});
);
res
};
genMidiPatterns = {arg seq;
var voices, durs, patterns, res, mOut, pbRange;
pbRange = 1; //semitones - change this as needed for your situation
mOut = MIDIOut.newByName("TiMidity", "TiMidity port 0").latency_(Server.default.latency);
# voices, durs = seq.flatten2(seq.maxDepth - 5).flop;
res = Ppar(
voices.flop.collect({arg voice, v;
var clumps, hdScores, freqs, fDurs;
mOut.program(v, 70);
clumps = voice.separate({arg a, b; a != b });
freqs = clumps.collect({arg clump; if(clump[0] != ["Rest"], {(60.midicps * hsArrayToFreq.value(clump[0]))}, {Rest(0)})});
fDurs = durs.clumps(clumps.collect({arg clump; clump.size})).collect({arg clump; clump.sum});
Pbind(
\type, \midi,
\chan, v,
\noteval, Pseq(freqs.cpsmidi - 24, 1),
\note, Pfunc({ | event | event[\noteval].floor }),
\dur, Pseq(fDurs, 1),
\midiout, mOut,
\amp, 1,
\bend, Pfunc({
| event |
if (event[\note].isRest.not) {
var pitchbendvalue = event[\noteval].frac.linlin(0, pbRange, 8192, 8192*2).asInteger;
m.bend(v, pitchbendvalue);
};
0; // return something other than nil to avoid stopping the pattern
}),
);
});
);
res
};
//------resource management funcs
setSeeds = {arg inRefSeed, inSeed;
refSeed = if(inRefSeed.isNumber, {inRefSeed.asInteger}, {nil});
seed = if(inSeed > 1, {inSeed.asInteger}, {rrand(100000, 999999)});
thisThread.randSeed = seed;
};
prettifyArray = {arg data, finDepth = 1;
var prettyString = "", rCount = 0, writeArray;
writeArray = {arg array;
var depth, indent;
depth = array.maxDepth;
indent = rCount.collect({" "}).join("");
prettyString = prettyString ++ indent ++ "[\n";
rCount = rCount + 1;
if(depth > 5, {
array.do({arg subArray;
writeArray.value(subArray);
});
}, {
array.do({arg data, d;
prettyString = prettyString ++ indent ++ " " ++ data.asCompileString ++ if(d != (array.size - 1), {",\n"}, {""});
});
});
rCount = rCount - 1;
if(rCount < (finDepth - 1), {prettyString = prettyString.drop((finDepth - 1).neg)});
//if(rCount == 0, {prettyString = prettyString.drop((finDepth - 1).neg)});
prettyString = prettyString ++ "\n" ++ indent ++ "]" ++ if(rCount > 0, {",\n"}, {""});
};
writeArray.value(data);
prettyString
};
writeResources = {arg seq, path;
var dir, file, resString;
file = File(path,"w");
resString = "{\nmusic_data:\n";
resString = resString ++ prettifyArray.value(seq, 3);
resString = resString ++ ",\nlast_changes:\n";
resString = resString ++ prettifyArray.value(lastXChanges, 1);
resString = resString ++ ",\nseed: " ++ seed ++ ",\nref_seed: " ++ refSeed ++ "\n}";
file.write(resString);
file.close;
};
sanityCheck = {arg motif, index;
//print functions - very helpful
("----------" + index + "------------").postln;
motif.flatten.do({arg val, v;
if(v > 0, {
if(motif.flatten[v-1][0].hammingDistance(val[0]) > 1, {"problem 1".postln});
if(motif.flatten[v-1][0].hammingDistance(val[0]) == 0, {"problem 2".postln});
});
val.postln
});
"***********".postln;
};
msgInterpret = {arg in;
var res;
res = in.asCompileString;
res = res.replace(" ", "").replace("\n", "").replace("\t", "");
res = res.replace("\'", "").replace("\"", "").replace("Rest", "\"Rest\"");
res.interpret
};
//------global vars
primes = [[2, 1], [3, 2], [5, 4], [7, 4], [11, 8], [13, 8]];
ranges = [[-2400, 0], [-1200, 1200], [0, 2400], [0, 2400]];
exPath = thisProcess.nowExecutingPath;
dir = exPath.dirname;
popSize = 4;
dims = primes.size;
tuples = genTuples.value();
refSeed = nil;
group = Group.new;
//------OSC funcs
OSCdef(\gen, {arg msg, time, addr, port;
var orders, condition;
msg.postln;
durFunc = nil;
addr.sendMsg("/STATE/SEND");
{
while({durFunc == nil}, {0.1.wait});
setSeeds.value(msg[1].postln, msg[2]);
lastXChanges = if(refSeed == nil, {
[initVoices.value().deepCopy];
}, {
var file;
file = File((dir +/+ "resources" +/+ refSeed ++ "_music" ++ ".json").standardizePath, "r");
msgInterpret.value(file.readAllString.parseJSON["last_changes"]);
});
if(msg.size == 4, {
orders = msgInterpret.value(msg[3]);
}, {
var minLength, maxLength;
minLength = msg[3];
maxLength = msg[4];
orders = ((maxLength - minLength).rand + minLength).collect({genOrder.value(msg[5], msg[6])});
});
orders.postln;
seed.postln;
refSeed.postln;
seq = genMotif.value(orders);
//patterns = genPatterns.value(seq);
addr.sendMsg("/current_seed", seed);
addr.sendMsg("/order", prettifyArray.value(orders, 1));
addr.sendMsg("/mus_seq", prettifyArray.value(seq, 3));
}.fork;
}, \gen);
OSCdef(\commit, {arg msg, time, addr, port;
var ledgerPath, oldLedger, newLedger, musSeq;
//msg.postln;
seed.postln;
//File.copy(exPath, (dir +/+ "resources" +/+ seed ++ "_code" ++ ".scd").standardizePath);
//addr.sendMsg("/SESSION/SAVE", (dir +/+ "resources" +/+ seed ++ "_gui_session" ++ ".json").standardizePath);
//addr.sendMsg("/STATE/SAVE", (dir +/+ "resources" +/+ seed ++ "_gui_state" ++ ".state").standardizePath);
writeResources.value(seq, (dir +/+ "resources" +/+ seed ++ "_music" ++ ".json").standardizePath);
ledgerPath = (dir +/+ "resources" +/+ "piece_ledger" ++ ".json").standardizePath;
oldLedger = File(ledgerPath, "r");
musSeq = msgInterpret.value(oldLedger.readAllString.parseJSON["ledger"]);
oldLedger.close;
File.delete(ledgerPath ++ "_bak");
File.copy(ledgerPath, ledgerPath ++ "_bak");
File.delete(ledgerPath);
newLedger = File(ledgerPath, "w");
musSeq = musSeq.add(seed);
newLedger.write("{\nledger:\n" ++ prettifyArray.value(musSeq, 1) ++ "\n}");
newLedger.close;
//refSeed = seed;
}, \commit);
OSCdef(\transport, {arg msg, time, addr, port;
msg.postln;
if(msg[1] == 0, {
player.stop;
group.set(\gate, 0);
}, {
var cSize, ledgerPath, ledger, patterns, pSeq;
ledgerPath = (dir +/+ "resources" +/+ "piece_ledger" ++ ".json").standardizePath;
ledger = msgInterpret.value(File(ledgerPath, "r").readAllString.parseJSON["ledger"]);
pSeq = [];
if(msg[2].asString != "all", {ledger = ledger.keep(msg[2].asInteger - 1)});
ledger.do({arg rSeed;
var file;
file = File((dir +/+ "resources" +/+ rSeed.postln ++ "_music" ++ ".json").standardizePath, "r");
pSeq = pSeq.add(msgInterpret.value(file.readAllString.parseJSON["music_data"]));
file.close;
});
pSeq = pSeq.add(seq);
patterns = genPatterns.value(pSeq);
player = Pfset(pattern: patterns, cleanupFunc: {
addr.sendMsg("/transport", 0);
});
player = player.play
});
}, \transport);
OSCdef(\range, {arg msg;
msg.postln;
ranges[msg[1]][msg[2]] = msg[3]
}, \range);
OSCdef(\dur_probs_env, {arg msg;
var env, pTable, min, max, cProb;
msg.postln;
env = Env.pairs([[0, 0]] ++ msg[4..].clump(2) ++ [[1, 0]]).asSignal(256).asList.asArray;
pTable = env.asRandomTable;
min = msg[1];
max = msg[2];
cProb = msg[3];
durFunc = {arg lIns, cIns;
if(lIns.postln == cIns.postln, {
pTable.tableRand * (max - min) + min
}, {
if(1.0.rand < cProb.postln, {0}, {pTable.tableRand * (max - min) + min}).postln;
});
};
}, \dur_probs_env);
)
(
SynthDef(\test, {arg freq, gate = 1, sustain, amp, dur;
var trig, exc, sig1, sig2, noHarms;
noHarms = 30;
exc = Saw.ar(freq, TRand.ar(0.5, 1, Impulse.ar(freq))) * 0.001 + Dust.ar(10000, 0.01);
sig1 = (Klank.ar(`[ Array.series(noHarms, freq, freq),
Array.geom(noHarms, 1, 0.2) + Array.fill(noHarms, {rrand(0.01, 0.03)}),
Array.fill(noHarms, {rrand(1, 2)}) ], exc) * 0.5).softclip;
sig1 = HPF.ar(sig1, 300);
Out.ar([0, 1], sig1 * EnvGen.kr(Env.adsr(0.3, 0.3, 0.9, 0.5, 0.9), gate, doneAction: 2));
}).add;
)
(
SynthDef(\test, {arg freq, gate = 1, sustain, amp, dur;
var trig, exc, sig1, sig2, noHarms, freqFinal, start, end;
noHarms = 30;
freq = WhiteNoise.ar * 3 + freq;
freqFinal = Duty.ar((1/freq), 0, freq);
trig = Changed.ar(freqFinal);
start = Demand.ar(trig, 0, Dwhite(-1, -0.75));
end = Demand.ar(trig, 0, Dwhite(0.75, 1));
exc = Phasor.ar(trig, (end - start) * freqFinal / SampleRate.ir, start, end, 0) * 0.001 + Dust.ar(10000, 0.01);
sig1 = (Klank.ar(`[ Array.series(noHarms, freq, freq),
Array.geom(noHarms, 1, 0.2) + Array.fill(noHarms, {rrand(0.01, 0.03)}),
Array.fill(noHarms, {rrand(2, 3)}) ], exc) * 0.5).softclip;
sig1 = HPF.ar(sig1, 300);
Out.ar([0, 1], sig1 * EnvGen.kr(Env.adsr(0.3, 0.3, 0.9, 0.5, 0.9), gate, doneAction: 2));
}).add;
)
File((~dir +/+ "resources" +/+ 517313 ++ "_music" ++ ".json").standardizePath, "r").readAllString.parseJSON["last_changes"].asString.interpret[0][0][0].isNumber
"{\"a\": 1}".parseYAML["a"].asInteger;
"{\"a\": 1}".parseJSON["a"].isNumber;