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wip: generate song

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This commit is contained in:
Peter Salomonsen
2023-03-17 23:21:23 +01:00
committed by Peter Salomonsen
parent 1ca16043bc
commit e282843f1f
7 changed files with 787 additions and 12460 deletions
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30
convert.js
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@ -6,12 +6,18 @@ const doc = {
bpm: groove.BPM,
rowsperbeat: 4,
score: {
length: groove.patterns[0].length,
length: groove.instrumentPatternLists[0].length,
rowsperpattern: groove.patternsize,
tracks: groove.instrumentPatternLists.map(track => {
const patterns = track.map(patternIndex => groove.patterns[patternIndex]);
const order = track.map((patternIndex, ndx) => ndx);
const patternMap = {};
track.forEach(patternIndex => {
patternMap[`${patternIndex}`] = groove.patterns[patternIndex];
});
const patternIndices = Object.keys(patternMap);
const patterns = patternIndices.map(patternIndex => patternMap[`${patternIndex}`]);
const order = track.map((patternIndex) => {
return patternIndices.indexOf(`${patternIndex}`);
});
return {
numvoices: 1,
order,
@ -25,13 +31,11 @@ const doc = {
const addInstrument = (name, strdef) => {
const units = strdef.split('\n')
.map(opline => {
console.log(opline);
const opcode_params = opline.replace(/\s\s+/,'\t').split(/[\t]/);
const opcode = opcode_params[0];
const params = opcode_params[1].split(',');
const parameters = {};
params.forEach(param => {
console.log(param)
const paramParts = param.split('(');
const paramName = paramParts[0];
const paramValue = paramParts[1].substr(0, paramParts[1].length - 1);
@ -51,15 +55,25 @@ const addInstrument = (name, strdef) => {
case 'GAIN':
parameters['gain'] = parseInt(paramValue);
break;
case 'GAIN':
parameters['gain'] = parseInt(paramValue);
break;
case 'FLAGS':
if (opcode == 'GO4K_VCO') {
parameters['type'] = 0;
}
break;
}
});
return {
"type": {
"GO4K_ENV": "envelope"
"GO4K_ENV": "envelope",
"GO4K_OUT": "out",
//"GO4K_VCO": "oscillator"
}[opcode],
parameters
}
});
}).filter(unit => unit.type ?? false);
doc.patch.push({numvoices: 1, units});
};