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lilypond.js
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// Copyright (c) 2014-2021 Walter Bender
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the The GNU Affero General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// You should have received a copy of the GNU Affero General Public
// License along with this library; if not, write to the Free Software
// Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
/*
global
_, toFraction, last, SHARP, FLAT, frequencyToPitch, NATURAL,
DOUBLESHARP, DOUBLEFLAT, getScaleAndHalfSteps, NOTATIONTUPLETVALUE,
NOTATIONNOTE, NOTATIONDURATION, NOTATIONROUNDDOWN, NOTATIONSTACCATO,
NOTATIONDOTCOUNT
*/
/*
Globals location
- lib/wheelnav
slicePath, wheelnav
- js/utils/musicutils.js
toFraction, frequencyToPitch, NATURAL, DOUBLESHARP, DOUBLEFLAT, getScaleAndHalfSteps
- js/utils/utils.js
_, last
- js/logo.js
NOTATIONNOTE, NOTATIONTUPLETVALUE, NOTATIONDURATION, NOTATIONROUNDDOWN, NOTATIONSTACCATO,
NOTATIONDOTCOUNT
*/
/* exported saveLilypondOutput */
// This header is prepended to the Lilypond output.
const LILYPONDHEADER =
'\\version "2.18.2"\n\n% ****************************************************************\n% \n% WHAT IS THIS? -- This is a LilyPond file generated from Music\n% Blocks software (Read about it at www.musicblocks.net).\n% \n% DOWNLOAD LILYPOND -- In order to create notation with this file,\n% you will need to download and install LilyPond software onto your\n% computer (http://lilypond.org/download.html). Frescobaldi\n% software is also handy for editing LilyPond files\n% (http://frescobaldi.org/download).\n% \n% LILYPOND INSTRUCTIONS -- For instructions on how to further\n% manipulate musical notation using LilyPond software, please\n% read the Introduction (http://lilypond.org/text-input.html) and\n% the Manual\n% (http://lilypond.org/doc/v2.18/Documentation/learning/index.html).\n% \n% GLOSSARY -- A glossary with helpful examples may be found here\n% (http://www.lilypond.org/doc/v2.19/Documentation/music-glossary/).\n% \n% MUTOPIA -- You may also benefit from studying scores from the\n% Mutopia Project website, which has freely sharable music notation\n% generated with LilyPond (http://www.mutopiaproject.org/).\n% \n% HACKLILY / LILYBIN -- You can explore your Lilypond output in a web browser\n% at (http://hacklily.org/) or (http://lilybin.com/).\n% \n% COMMENTS -- Some of the code below is commented out. You can\n% enable it by deleting the % that precedes the text or, in the\n% case of a commented section, deleting the %{ and %} that surrounds\n% the section.\n% \n% ****************************************************************\n\n% Please add your own name, the title of your musical creation,\n% and the intended copyright below.\n% The copyright is great for sharing (and re-sharing)!\n% Read more about it here (http://creativecommons.org/licenses/by-sa/4.0/).\n% Of course, you can use any copyright you like -- you made it!\n\\header {\n dedication = \\markup {\n \\abs-fontsize #8 \\sans "Made with LilyPond and Music Blocks" \\with-url #"http://musicblocks.sugarlabs.org/" {\n \\abs-fontsize #8 \\sans "(http://musicblocks.sugarlabs.org/)"\n }\n }\n title = "My Music Blocks Creation"\n% subtitle = "Subtitle"\n% instrument = "Instrument"\n composer = "Mr. Mouse"\n% arranger = "Arranger"\n copyright = "Mr. Mouse (c) 2020 -- CC-BY-SA"\n tagline = "Made from Music Blocks v.2.2"\n footer = \\markup {\n \\with-url #"http://musicblocks.sugarlabs.org/" "Made with Music Blocks Software v.2.2" Engraved on \\simple #(strftime "%Y-%m-%d" (localtime (current-time)))\n }\n currentYear = \\markup {\n \\simple #(strftime "%Y" (localtime (current-time)))\n }\n copyTag = " free to distribute, modify, and perform"\n copyType = \\markup {\n \\with-url #"http://creativecommons.org/licenses/by-sa/3.0/" "Creative Commons Attribution ShareAlike 3.0 (Unported) License "\n }\n copyright = \\markup {\n \\override #\'(baseline-skip . 0 ) \\right-column {\n \\sans \\bold \\with-url #"http://musicblocks.net" {\n \\abs-fontsize #9 "Music " \\concat {\n \\abs-fontsize #12 \\with-color #white \\char ##x01C0 \\abs-fontsize #9 "Blocks "\n }\n }\n }\n \\override #\'(baseline-skip . 0 ) \\center-column {\n \\abs-fontsize #11.9 \\with-color #grey \\bold {\n \\char ##x01C0 \\char ##x01C0\n }\n }\n \\override #\'(baseline-skip . 0 ) \\column {\n \\abs-fontsize #8 \\sans \\concat {\n " Typeset using " \\with-url #"http://www.lilypond.org" "LilyPond software " \\char ##x00A9 " " \\currentYear " by " \\composer " " \\char ##x2014 " " \\footer\n }\n \\concat {\n \\concat {\n \\abs-fontsize #8 \\sans {\n " " \\copyType \\char ##x2014 \\copyTag\n }\n }\n \\abs-fontsize #13 \\with-color #white \\char ##x01C0\n }\n }\n }\n tagline = ##f\n}\n\n% To change the meter make adjustments in the following section.\n% You must also delete the % before \\meter everywhere it appears below.\nmeter = {\n% \\time 3/4\n% \\key c \\minor\n \\numericTimeSignature\n% \\partial 4 \n% \\tempo "Andante" 4=90\n}\n\n';
/**
* @deprecated
*/
// eslint-disable-next-line no-unused-vars
const getLilypondHeader = function () {
return LILYPONDHEADER;
};
const processLilypondNotes = function (lilypond, logo, turtle) {
// obj = [instructions] or
// obj = [note, duration, dotCount, tupletValue, roundDown, insideChord, staccato]
logo.notationNotes[turtle] = "\\meter\n";
function __toLilynote(note) {
// Lilypond notes use is for sharp, es for flat,
// , and ' for shifts in octave.
// Also, notes must be lowercase.
// And the octave bounday is at C, not A.
// Convert frequencies here.
if (typeof note === "number") {
const pitchObj = frequencyToPitch(note);
note = pitchObj[0] + pitchObj[1];
}
return note
.replace(/♮/g, "!")
.replace(/♯/g, "is")
.replace(/♭/g, "es")
.replace(/10/g, "''''''''")
.replace(/1/g, ",, ")
.replace(/2/g, ", ")
.replace(/3/g, "")
.replace(/4/g, "'")
.replace(/5/g, "''")
.replace(/6/g, "'''")
.replace(/7/g, "''''")
.replace(/8/g, "''''''")
.replace(/9/g, "'''''''")
.toLowerCase();
}
let noteCounter = 0;
let queueSlur = false;
let articulation = false;
let targetDuration = 0;
let tupletDuration = 0;
let multivoice = false;
let keySignature;
let key;
let mode;
let obj;
let note;
let notes;
function __processTuplet(logo, turtle, i, count) {
let j = 0;
let k = 0;
let ii;
while (k < count) {
tupletDuration = 2 * logo.notation.notationStaging[turtle][i + j][NOTATIONDURATION];
notes = logo.notation.notationStaging[turtle][i + j][NOTATIONNOTE];
if (typeof notes === "object") {
if (notes.length > 1) {
logo.notationNotes[turtle] += "<";
}
for (ii = 0; ii < notes.length; ii++) {
logo.notationNotes[turtle] += __toLilynote(notes[ii]);
if (notes.length === 1 || ii < notes.length - 1) {
logo.notationNotes[turtle] += " ";
}
}
if (obj[NOTATIONSTACCATO]) {
logo.notationNotes[turtle] += " \\staccato ";
}
if (notes.length > 1) {
logo.notationNotes[turtle] += ">";
}
logo.notationNotes[turtle] +=
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN];
j++; // Jump to next note.
k++; // Increment notes in tuplet.
} else if (logo.notation.notationStaging[turtle][i + j] === "tie") {
// console.debug("adding a tie");
logo.notationNotes[turtle] += "~";
j++; // Jump to next note.
k++; // Increment notes in tuplet.
} else {
// console.debug("ignoring " + notes);
j++; // Jump to next note.
k++; // Increment notes in tuplet.
}
}
if (i + j - 1 < logo.notation.notationStaging[turtle].length - 1) {
const nextObj = logo.notation.notationStaging[turtle][i + j];
// Workaround to a Lilypond "feature": if a slur
// ends on a tuplet, the closing ) must be inside
// the closing } of the tuplet. Same for markup.
if (typeof nextObj === "string" && nextObj === ")") {
logo.notationNotes[turtle] += ")} ";
i += 1;
} else if (typeof nextObj === "string" && nextObj === "markup") {
logo.notationNotes[turtle] +=
"^\\markup { \\abs-fontsize #6 { " +
logo.notation.notationStaging[turtle][i + j + 1] +
" } } } ";
j += 2;
} else if (typeof nextObj === "string" && nextObj === "markdown") {
logo.notationNotes[turtle] +=
"_\\markup {" + logo.notation.notationStaging[turtle][i + j + 1] + "} } ";
j += 2;
} else {
logo.notationNotes[turtle] += "} ";
}
} else {
logo.notationNotes[turtle] += "} ";
}
return j;
}
for (let i = 0; i < logo.notation.notationStaging[turtle].length; i++) {
let obj = logo.notation.notationStaging[turtle][i];
if (typeof obj === "string") {
switch (obj) {
case "swing":
logo.notationNotes[turtle] += "\\tempo swing\n";
break;
case "tempo":
logo.notationNotes[turtle] +=
"\\tempo " +
logo.notation.notationStaging[turtle][i + 2] +
" = " +
logo.notation.notationStaging[turtle][i + 1] +
"\n";
i += 2;
break;
case "markup":
logo.notationNotes[turtle] +=
"^\\markup { \\abs-fontsize #6 { " +
logo.notation.notationStaging[turtle][i + 1] +
" } } ";
i += 1;
break;
case "markdown":
logo.notationNotes[turtle] +=
"_\\markup { " + logo.notation.notationStaging[turtle][i + 1] + " } ";
i += 1;
break;
case "break":
if (i > 0) {
logo.notationNotes[turtle] += "\n";
}
noteCounter = 0;
break;
case "begin articulation":
articulation = true;
break;
case "end articulation":
articulation = false;
break;
case "begin crescendo":
logo.notationNotes[turtle] += "\\< ";
break;
case "begin decrescendo":
logo.notationNotes[turtle] += "\\> ";
break;
case "end crescendo":
logo.notationNotes[turtle] += "\\! ";
break;
case "end decrescendo":
logo.notationNotes[turtle] += "\\! ";
break;
case "begin slur":
// The ( is added after the first note.
queueSlur = true;
break;
case "end slur":
logo.notationNotes[turtle] += ") ";
break;
case "begin harmonics":
logo.notationNotes[turtle] += "\\harmonicsOn ";
break;
case "end harmonics":
logo.notationNotes[turtle] += "\\harmonicsOff ";
break;
case "tie":
logo.notationNotes[turtle] += "~";
break;
case "key":
keySignature =
logo.notation.notationStaging[turtle][i + 1] +
" " +
logo.notation.notationStaging[turtle][i + 2];
key = logo.notation.notationStaging[turtle][i + 1]
.toLowerCase()
.replace(FLAT, "es")
.replace(SHARP, "is")
.replace(NATURAL, "")
.replace(DOUBLESHARP, "isis")
.replace(DOUBLEFLAT, "eses");
mode = logo.notation.notationStaging[turtle][i + 2];
// Lilypond knows about common modes.
if (
[
"major",
"minor",
"ionian",
"dorian",
"phrygian",
"lydian",
"mixolydian",
"aeolian",
"locrian"
].indexOf(mode) !== -1
) {
logo.notationNotes[turtle] += " \\key " + key + " \\" + mode + "\n";
} else {
obj = getScaleAndHalfSteps(keySignature);
// Check to see if it is possible to construct the mode.
// freygish = #`((0 . ,NATURAL) (1 . ,FLAT) (2 . ,NATURAL)
// (3 . ,NATURAL) (4 . ,NATURAL) (5 . ,FLAT) (6 . ,FLAT))
let modeDef = "\n" + mode.replace(/ /g, "_") + " = #`(";
let prevNote = "";
let n,
nn = -1;
for (let ii = 0; ii < obj[1].length; ii++) {
if (obj[1][ii] !== "") {
// Are we repeating notes, e.g., Db and D?
if (obj[0][ii].substr(0, 1) === prevNote) {
modeDef = "";
break;
} else {
prevNote = obj[0][ii].substr(0, 1);
}
n = ["C", "D", "E", "F", "G", "A", "B"].indexOf(
obj[0][ii].substr(0, 1)
);
// Did we skip any notes?
if (n > nn) {
if (n - nn > 1) {
for (let j = nn + 1; j < n; j++) {
modeDef += "(" + j + " . ,NATURAL) ";
}
}
nn = n;
if (obj[0][ii].length === 1) {
modeDef += "(" + n + " . ,NATURAL) ";
} else {
if (obj[0][ii].substr(1, 1) === FLAT) {
modeDef += "(" + n + " . ,FLAT) ";
} else {
modeDef += "(" + n + " . ,SHARP) ";
}
}
}
}
}
if (modeDef !== "") {
if (n < 6) {
for (let j = n + 1; j < 7; j++) {
modeDef += "(" + j + " . ,NATURAL) ";
}
}
modeDef += ")\n";
// console.debug(modeDef);
lilypond.freygish += modeDef;
logo.notationNotes[turtle] +=
" \\key " + key + " \\" + mode.replace(/ /g, "_") + "\n";
}
}
i += 2;
break;
case "meter":
logo.notationNotes[turtle] +=
" \\time " +
logo.notation.notationStaging[turtle][i + 1] +
"/" +
logo.notation.notationStaging[turtle][i + 2] +
"\n";
i += 2;
break;
case "pickup":
logo.notationNotes[turtle] +=
" \\partial " + logo.notation.notationStaging[turtle][i + 1] + "\n";
i += 1;
break;
case "voice one":
if (multivoice) {
logo.notationNotes[turtle] += "}\n\\new Voice { \\voiceOne ";
} else {
logo.notationNotes[turtle] += "<< { \\voiceOne ";
multivoice = true;
}
break;
case "voice two":
if (multivoice) {
logo.notationNotes[turtle] += "}\n\\new Voice { \\voiceTwo ";
} else {
logo.notationNotes[turtle] += "<< { \\voiceTwo ";
multivoice = true;
}
break;
case "voice three":
if (multivoice) {
logo.notationNotes[turtle] += "}\n\\new Voice { \\voiceThree ";
} else {
logo.notationNotes[turtle] += "<< { \\voiceThree ";
multivoice = true;
}
break;
case "voice four":
if (multivoice) {
logo.notationNotes[turtle] += "}\n\\new Voice { \\voiceFour ";
} else {
logo.notationNotes[turtle] += "<< { \\voiceFour ";
multivoice = true;
}
break;
case "one voice":
logo.notationNotes[turtle] += "}\n>> \\oneVoice\n";
multivoice = false;
break;
default:
logo.notationNotes[turtle] += obj;
break;
}
} else {
if (noteCounter % 8 === 0 && noteCounter > 0) {
logo.notationNotes[turtle] += "\n";
}
noteCounter += 1;
/* eslint-disable no-unused-vars */
if (typeof obj[NOTATIONNOTE] === "string") {
note = __toLilynote(obj[NOTATIONNOTE]);
} else {
notes = obj[NOTATIONNOTE];
note = __toLilynote(notes[0]);
}
/* eslint-enable no-unused-vars */
let incompleteTuplet = 0; // An incomplete tuplet
let tupletFactor = null;
let totalTupletDuration = 0;
let commonTupletNote = null;
let tupletNoteCounter = 0;
// If it is a tuplet, look ahead to see if it is complete.
// While you are at it, add up the durations.
if (obj[NOTATIONTUPLETVALUE] != null) {
let f;
targetDuration = 1 / logo.notation.notationStaging[turtle][i][NOTATIONDURATION];
tupletDuration = 1 / logo.notation.notationStaging[turtle][i][NOTATIONROUNDDOWN];
totalTupletDuration =
1 / (obj[NOTATIONTUPLETVALUE][0] * obj[NOTATIONTUPLETVALUE][1]);
if (commonTupletNote === null) {
commonTupletNote = obj[NOTATIONROUNDDOWN];
tupletNoteCounter = 1;
} else if (obj[NOTATIONROUNDDOWN] > commonTupletNote) {
f = obj[NOTATIONROUNDDOWN] / commonTupletNote;
commonTupletNote = obj[NOTATIONROUNDDOWN];
tupletNoteCounter *= f;
tupletNoteCounter += 1;
}
if (tupletFactor === null) {
tupletFactor = obj[NOTATIONTUPLETVALUE][1];
} else if (obj[NOTATIONTUPLETVALUE][1] < tupletFactor) {
tupletFactor = obj[NOTATIONTUPLETVALUE][1];
}
let j = 1;
let k = 1;
while (k < obj[NOTATIONTUPLETVALUE][0] * obj[NOTATIONTUPLETVALUE][1]) {
if (i + j >= logo.notation.notationStaging[turtle].length) {
incompleteTuplet = j;
break;
}
if (logo.notation.notationStaging[turtle][i + j] === "tie") {
// console.debug("saw a tie");
k++; // Increment notes in tuplet.
j++;
} else if ([1, 0.5, 0.25, 0.125, 0.0625].indexOf(totalTupletDuration) !== -1) {
// Break up tuplet on POW2 values
incompleteTuplet = j;
break;
} else if (
logo.notation.notationStaging[turtle][i + j][NOTATIONTUPLETVALUE] === null
) {
incompleteTuplet = j;
break;
} else if (
logo.notation.notationStaging[turtle][i + j][NOTATIONTUPLETVALUE][0] !==
obj[NOTATIONTUPLETVALUE][0]
) {
// Match if sharing same factor, e.g., 1/3, 1/6, 1/12
incompleteTuplet = j;
break;
} else {
if (
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN] >
commonTupletNote
) {
f =
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN] /
commonTupletNote;
commonTupletNote =
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN];
tupletNoteCounter *= f;
tupletNoteCounter += 1;
} else if (
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN] <
commonTupletNote
) {
f =
commonTupletNote /
logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN];
tupletNoteCounter += f;
} else {
tupletNoteCounter += 1;
}
targetDuration +=
1 / logo.notation.notationStaging[turtle][i + j][NOTATIONDURATION];
tupletDuration +=
1 / logo.notation.notationStaging[turtle][i + j][NOTATIONROUNDDOWN];
totalTupletDuration +=
1 /
(logo.notation.notationStaging[turtle][i + j][NOTATIONTUPLETVALUE][0] *
logo.notation.notationStaging[turtle][i + j][
NOTATIONTUPLETVALUE
][1]);
j++; // Jump to next note.
k++; // Increment notes in tuplet.
}
}
}
if (
obj[NOTATIONTUPLETVALUE] != null &&
obj[NOTATIONTUPLETVALUE][0] * obj[NOTATIONTUPLETVALUE][1] > 0
) {
// Lilypond tuplets look like this: \tuplet 3/2 { f8 g a }
// multiplier = tupletDuration / targetDuration
// e.g., (3/8) / (1/4) = (3/8) * 4 = 12/8 = 3/2
if (incompleteTuplet === 0) {
const tupletFraction = toFraction(tupletDuration / targetDuration);
let a = tupletFraction[0] * targetDuration;
let b = tupletFraction[0] * tupletFraction[1];
let c;
if (Math.floor(a) !== a) {
c = toFraction(a / 1);
a = c[0];
b = c[1];
}
logo.notationNotes[turtle] += "\\tuplet " + a + "/" + b + " { ";
i +=
__processTuplet(
logo,
turtle,
i,
obj[NOTATIONTUPLETVALUE][0] * obj[NOTATIONTUPLETVALUE][1]
) - 1;
} else {
// Incomplete tuplets look like this: \tuplet 3/2 { f4 a8 }
// for 1/6 1/12
// duration = 1/6 + 1/12 ==> 1/4
// 3 x 1/8 note in the time of a 1/4 note ==>
// 3/8 / 1/4 = 3/2
const f = tupletNoteCounter / commonTupletNote / totalTupletDuration;
const tupletFraction = toFraction(f);
let a = tupletFraction[0];
let b = tupletFraction[1];
let c;
if (Math.floor(a) !== a) {
c = toFraction(a / 1);
a = c[0];
b = c[1];
}
logo.notationNotes[turtle] += "\\tuplet " + a + "/" + b + " { ";
i += __processTuplet(logo, turtle, i, incompleteTuplet) - 1;
}
targetDuration = 0;
tupletDuration = 0;
} else {
if (typeof notes === "object") {
if (notes.length > 1) {
logo.notationNotes[turtle] += "<";
}
for (let ii = 0; ii < notes.length; ii++) {
logo.notationNotes[turtle] += __toLilynote(notes[ii]);
if (ii < notes.length - 1) {
logo.notationNotes[turtle] += " ";
}
}
if (notes.length > 1) {
logo.notationNotes[turtle] += ">";
}
logo.notationNotes[turtle] += obj[NOTATIONDURATION];
for (let d = 0; d < obj[NOTATIONDOTCOUNT]; d++) {
logo.notationNotes[turtle] += ".";
}
if (articulation) {
logo.notationNotes[turtle] += "->";
}
}
logo.notationNotes[turtle] += " ";
if (obj[NOTATIONSTACCATO]) {
logo.notationNotes[turtle] += "\\staccato ";
}
targetDuration = 0;
tupletDuration = 0;
}
if (queueSlur) {
queueSlur = false;
logo.notationNotes[turtle] += "( ";
}
}
}
};
const saveLilypondOutput = function (activity) {
//.TRANS Animal names used in Lilypond output
const RODENTS = [
_("mouse"),
_("brown rat"),
_("mole"),
_("chipmunk"),
_("red squirrel"),
_("guinea pig"),
_("capybara"),
_("coypu"),
_("black rat"),
_("grey squirrel"),
_("flying squirrel"),
_("bat")
];
const CLEFS = ["treble", "bass", "bass_8", "percussion"];
const NUMBERNAMES = [
"zero",
"one",
"two",
"three",
"four",
"five",
"six",
"seven",
"eight",
"nine"
];
let turtleCount = 0;
const clef = []; // eslint-disable-next-line no-unused-vars
const freygish = ""; // A place to store custom mode definitions
turtleCount += Object.keys(activity.logo.notation.notationStaging).length;
const startDrums = turtleCount;
for (const t in activity.logo.notation.notationDrumStaging) {
// Check to see if there are any notes in the drum staging.
let foundNotes = false;
for (let i = 0; i < activity.logo.notation.notationDrumStaging[t].length; i++) {
const obj = activity.logo.notation.notationDrumStaging[t][i];
if (typeof obj === "object" && typeof obj[0] === "object" && obj[0][0] !== "R") {
foundNotes = true;
}
}
if (foundNotes) {
activity.logo.notation.notationStaging[turtleCount.toString()] =
activity.logo.notation.notationDrumStaging[t];
} else {
activity.logo.notation.notationStaging[turtleCount.toString()] = [];
}
turtleCount += 1;
}
// eslint-disable-next-line no-console
console.debug("saving as lilypond: " + turtleCount);
activity.logo.notationOutput +=
"% You can change the MIDI instruments below to anything on this list:\n% (http://lilypond.org/doc/v2.18/documentation/notation/midi-instruments)\n\n";
let c = 0;
const occupiedShortNames = [];
for (const t in activity.logo.notation.notationStaging) {
// console.debug('value of t: ' + t);
let tNumber = t;
if (typeof t === "string") {
tNumber = Number(t);
}
if (activity.logo.notation.notationStaging[t].length > 0) {
let octaveTotal = 0;
let noteCount = 0;
for (let i = 0; i < activity.logo.notation.notationStaging[t].length; i++) {
const obj = activity.logo.notation.notationStaging[t][i];
// console.log("obj is ");
// console.log(obj);
if (typeof obj === "object") {
for (let ii = 0; ii < obj[0].length; ii++) {
if (obj[0][ii] === "R") {
continue;
} else if (typeof obj[0][ii] === "string") {
octaveTotal += Number(obj[0][ii].substr(-1));
} else {
const pitchObj = frequencyToPitch(obj[0][ii]);
octaveTotal += pitchObj[1];
}
noteCount += 1;
}
}
}
if (tNumber > startDrums - 1) {
clef.push("percussion");
} else if (noteCount > 0) {
// eslint-disable-next-line no-console
console.debug(
octaveTotal + " " + noteCount + " " + Math.floor(0.5 + octaveTotal / noteCount)
);
switch (Math.floor(0.5 + octaveTotal / noteCount)) {
case 0:
case 1:
case 2:
clef.push("bass_8");
break;
case 3:
clef.push("bass");
break;
default:
clef.push("treble");
break;
}
} else {
clef.push("treble");
}
this.freygish = "";
processLilypondNotes(this, activity.logo, t);
if (this.freygish !== "") {
activity.logo.notationOutput += this.freygish;
}
let instrumentName = "";
let shortInstrumentName = "";
if (tNumber > startDrums - 1) {
instrumentName = _("drum") + NUMBERNAMES[tNumber - startDrums];
instrumentName = instrumentName.replace(/ /g, "").replace(".", "");
activity.logo.notationOutput += instrumentName + " = {\n";
activity.logo.notationOutput += "\\drummode {\n";
activity.logo.notationOutput += activity.logo.notationNotes[t];
// Add bar to last turtle's output.
if (c === turtleCount - 1) {
activity.logo.notationOutput += ' \\bar "|."';
}
activity.logo.notationOutput += "\n}\n";
activity.logo.notationOutput += "\n}\n\n";
} else {
if (t in activity.turtles.turtleList) {
// const turtleNumber = tNumber;
instrumentName = activity.turtles.turtleList[t].name;
if (instrumentName === _("start") || instrumentName === _("start drum")) {
instrumentName = RODENTS[tNumber % 12];
} else if (instrumentName === tNumber.toString()) {
instrumentName = RODENTS[tNumber % 12];
}
}
if (instrumentName === "") {
instrumentName = RODENTS[tNumber % 12];
}
instrumentName = instrumentName.replace(/ /g, "").replace(".", "");
// console.log("L604: " + instrumentName);
activity.logo.notationOutput += instrumentName + " = {\n";
activity.logo.notationOutput += activity.logo.notationNotes[t];
// Add bar to last turtle's output.
if (c === turtleCount - 1) {
activity.logo.notationOutput += ' \\bar "|."';
}
activity.logo.notationOutput += "\n}\n\n";
let final = "";
let firstPart = "";
let secondPart = "";
let part1 = "";
let part2 = "";
let done = 0;
const n = instrumentName.indexOf("_");
// We calculate a unique short name based on the
// initial characters of the long name. If there is a
// space in the name, we use the first letter of each
// word. Otherwise we use the first two letters of the
// name. If the name is not unique, we keep adding
// letters.
if (instrumentName.length === 1) {
shortInstrumentName = instrumentName;
occupiedShortNames[t] = shortInstrumentName;
} else if (n === -1) {
// no space in instrument name
for (let p = 2; p < instrumentName.length; p++) {
if (p === 2) {
final = instrumentName.slice(0, 2);
} else {
final = final + instrumentName.charAt(p - 1);
}
if (occupiedShortNames.indexOf(final) === -1) {
// not found in array so unique shortname
shortInstrumentName = final;
occupiedShortNames[t] = shortInstrumentName;
break;
}
}
} else {
// at least 1 space in instrument name
firstPart = instrumentName.slice(0, n);
secondPart = instrumentName.slice(n + 1, instrumentName.length);
part1 = firstPart.charAt(0);
part2 = secondPart.charAt(0);
final = part1 + part2;
if (occupiedShortNames.indexOf(final) === -1) {
// found unique shortname
shortInstrumentName = final;
occupiedShortNames[t] = shortInstrumentName;
done = 1;
} else if (done !== 1) {
final = "";
for (let q = 1; q < instrumentName.length; q++) {
part2 = part2 + secondPart.charAt(q);
final = part1 + part2;
if (occupiedShortNames.indexOf(final) === -1) {
// found unique shortname
shortInstrumentName = final;
occupiedShortNames[t] = shortInstrumentName;
break;
} else {
part1 = part1 + firstPart.charAt(q);
final = part1 + part2;
if (occupiedShortNames.indexOf(final) === -1) {
// found unique shortname
shortInstrumentName = final;
occupiedShortNames[t] = shortInstrumentName;
break;
}
}
}
}
}
// console.debug("instrumentName: " + instrumentName);
// console.debug("shortInstrumentName: " + shortInstrumentName);
}
activity.logo.notationOutput += instrumentName.replace(/ /g, "").replace(".", "") + "Voice = ";
if (tNumber > startDrums - 1) {
activity.logo.notationOutput += "\\new DrumStaff \\with {\n";
} else {
activity.logo.notationOutput += "\\new Staff \\with {\n";
}
activity.logo.notationOutput += ' \\clef "' + last(clef) + '"\n';
activity.logo.notationOutput += ' instrumentName = "' + instrumentName + '"\n';
if (tNumber > startDrums - 1) {
const num = tNumber - startDrums;
// console.debug("shortInstrumentName = d" + num);
activity.logo.notationOutput += ' shortInstrumentName = "' + "d" + num + '"\n';
activity.logo.notationOutput += ' midiInstrument = "snare drum"\n';
} else {
activity.logo.notationOutput += ' shortInstrumentName = "' + shortInstrumentName + '"\n';
activity.logo.notationOutput += ' midiInstrument = "acoustic grand"\n';
}
// Automatic note splitting
// activity.logo.notationOutput += '\n \\remove "Note_heads_engraver"\n \\consists "Completion_heads_engraver"\n \\remove "Rest_engraver"\n \\consists "Completion_rest_engraver"\n'
activity.logo.notationOutput +=
'\n} { \\clef "' +
last(clef) +
'" \\' +
instrumentName.replace(/ /g, "").replace(".", "") +
" }\n\n";
} else {
clef.push("");
}
c += 1;
}
// Begin the SCORE section.
activity.logo.notationOutput += "\n\\score {\n";
activity.logo.notationOutput += " <<\n";
// Sort the staffs, treble on top, bass_8 on the bottom.
for (let c = 0; c < CLEFS.length; c++) {
// const i = 0;
let instrumentName;
for (const t in activity.logo.notationNotes) {
let tNumber = t;
if (typeof t === "string") {
tNumber = Number(t);
}
if (clef[tNumber] === CLEFS[c]) {
if (activity.logo.notation.notationStaging[t].length > 0) {
if (tNumber > startDrums - 1) {
instrumentName = _("drum") + NUMBERNAMES[tNumber - startDrums];
} else {
if (t in activity.turtles.turtleList) {
instrumentName = activity.turtles.turtleList[t].name;
} else if (tNumber in activity.turtles.turtleList) {
instrumentName = activity.turtles.turtleList[tNumber].name;
} else {
instrumentName = _("mouse");
}
// console.debug("Source: " + instrumentName);
if (instrumentName === "") {
instrumentName = _("mouse");
}
if (instrumentName === _("start") || instrumentName === _("start drum")) {
instrumentName = RODENTS[tNumber % 12];
} else if (instrumentName === tNumber.toString()) {
instrumentName = RODENTS[tNumber % 12];
}
}
instrumentName = instrumentName.replace(/ /g, "").replace(".", "");
activity.logo.notationOutput += " \\" + instrumentName + "Voice\n";
}
}
}
}
// Add GUITAR TAB in comments.
activity.logo.notationOutput += activity.logo.guitarOutputHead;
for (let c = 0; c < CLEFS.length; c++) {
const i = 0;
let instrumentName;
for (const t in activity.logo.notationNotes) {
let tNumber = t;
if (typeof t === "string") {
tNumber = Number(t);
}
if (clef[i] === CLEFS[c]) {
if (activity.logo.notation.notationStaging[t].length > 0) {
if (tNumber > startDrums - 1) {
instrumentName = _("drum") + NUMBERNAMES[tNumber - startDrums];
} else {
if (t in activity.turtles.turtleList) {
instrumentName = activity.turtles.turtleList[t].name;
} else if (tNumber in activity.turtles.turtleList) {
instrumentName = activity.turtles.turtleList[tNumber].name;
} else {
instrumentName = _("mouse");
}
if (instrumentName === _("start") || instrumentName === _("start drum")) {
instrumentName = RODENTS[tNumber % 12];
} else if (instrumentName === tNumber.toString()) {
instrumentName = RODENTS[tNumber % 12];
}
}
instrumentName = instrumentName.replace(/ /g, "").replace(".", "");
activity.logo.notationOutput +=
' \\context TabVoice = "' +
instrumentName +
'" \\' +
instrumentName.replace(/ /g, "").replace(".", "") +
"\n";
}
}
}
}
// Close the SCORE sections.
activity.logo.notationOutput += activity.logo.guitarOutputEnd;
activity.logo.notationOutput += "\n >>\n \\layout {}\n\n";
// Add MIDI OUTPUT in comments.
activity.logo.notationOutput += activity.logo.MIDIOutput;
// ADD TURTLE BLOCKS CODE HERE
activity.logo.notationOutput += "% MUSIC BLOCKS CODE\n";
activity.logo.notationOutput +=
"% Below is the code for the Music Blocks project that generated this Lilypond file.\n%{\n\n";
// prepareExport() returns json-encoded project data.
const projectData = activity.prepareExport();
activity.logo.notationOutput += projectData.replace(/]],/g, "]],\n");
activity.logo.notationOutput += "\n%}\n\n";
return activity.logo.notationOutput;
};