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Copy pathGp3To5Importer.ts
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Gp3To5Importer.ts
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import { GeneralMidi } from '@src/midi/GeneralMidi';
import { ScoreImporter } from '@src/importer/ScoreImporter';
import { UnsupportedFormatError } from '@src/importer/UnsupportedFormatError';
import { IOHelper } from '@src/io/IOHelper';
import { IReadable } from '@src/io/IReadable';
import { AccentuationType } from '@src/model/AccentuationType';
import { Automation, AutomationType } from '@src/model/Automation';
import { Bar } from '@src/model/Bar';
import { Beat, BeatBeamingMode } from '@src/model/Beat';
import { BendPoint } from '@src/model/BendPoint';
import { BrushType } from '@src/model/BrushType';
import { Chord } from '@src/model/Chord';
import { Clef } from '@src/model/Clef';
import { Color } from '@src/model/Color';
import { Duration } from '@src/model/Duration';
import { DynamicValue } from '@src/model/DynamicValue';
import { Fingers } from '@src/model/Fingers';
import { GraceType } from '@src/model/GraceType';
import { HarmonicType } from '@src/model/HarmonicType';
import { KeySignature } from '@src/model/KeySignature';
import { KeySignatureType } from '@src/model/KeySignatureType';
import { Lyrics } from '@src/model/Lyrics';
import { MasterBar } from '@src/model/MasterBar';
import { Note } from '@src/model/Note';
import { NoteAccidentalMode } from '@src/model/NoteAccidentalMode';
import { PickStroke } from '@src/model/PickStroke';
import { PlaybackInformation } from '@src/model/PlaybackInformation';
import { Score } from '@src/model/Score';
import { Section } from '@src/model/Section';
import { SlideInType } from '@src/model/SlideInType';
import { SlideOutType } from '@src/model/SlideOutType';
import { Staff } from '@src/model/Staff';
import { Track } from '@src/model/Track';
import { TripletFeel } from '@src/model/TripletFeel';
import { VibratoType } from '@src/model/VibratoType';
import { Voice } from '@src/model/Voice';
import { Logger } from '@src/Logger';
import { ModelUtils } from '@src/model/ModelUtils';
import { IWriteable } from '@src/io/IWriteable';
import { Tuning } from '@src/model/Tuning';
import { FadeType } from '@src/model/FadeType';
import { Rasgueado } from '@src/model/Rasgueado';
import { Direction } from '@src/model/Direction';
import { BeamDirection } from '@src/rendering/utils/BeamDirection';
import { Ottavia } from '@src/model';
import { WahPedal } from '@src/model/WahPedal';
export class Gp3To5Importer extends ScoreImporter {
private static readonly VersionString: string = 'FICHIER GUITAR PRO ';
private _versionNumber: number = 0;
private _score!: Score;
private _globalTripletFeel: TripletFeel = TripletFeel.NoTripletFeel;
private _lyricsTrack: number = 0;
private _lyrics: Lyrics[] = [];
private _barCount: number = 0;
private _trackCount: number = 0;
private _playbackInfos: PlaybackInformation[] = [];
private _beatTextChunksByTrack: Map<number, string[]> = new Map<number, string[]>();
private _directionLookup: Map<number, Direction[]> = new Map<number, Direction[]>();
public get name(): string {
return 'Guitar Pro 3-5';
}
public constructor() {
super();
}
public readScore(): Score {
this._directionLookup.clear();
this.readVersion();
this._score = new Score();
// basic song info
this.readScoreInformation();
// triplet feel before Gp5
if (this._versionNumber < 500) {
this._globalTripletFeel = GpBinaryHelpers.gpReadBool(this.data)
? TripletFeel.Triplet8th
: TripletFeel.NoTripletFeel;
}
// beat lyrics
if (this._versionNumber >= 400) {
this.readLyrics();
}
// rse master settings since GP5.1
if (this._versionNumber >= 510) {
// master volume (4)
// master effect (4)
// master equalizer (10)
// master equalizer preset (1)
this.data.skip(19);
}
// page setup since GP5
if (this._versionNumber >= 500) {
this.readPageSetup();
this._score.tempoLabel = GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
}
// tempo stuff
this._score.tempo = IOHelper.readInt32LE(this.data);
if (this._versionNumber >= 510) {
GpBinaryHelpers.gpReadBool(this.data); // hide tempo?
}
// keysignature and octave
IOHelper.readInt32LE(this.data);
if (this._versionNumber >= 400) {
this.data.readByte();
}
this.readPlaybackInfos();
// repetition stuff
if (this._versionNumber >= 500) {
this.readDirection(Direction.TargetCoda);
this.readDirection(Direction.TargetDoubleCoda);
this.readDirection(Direction.TargetSegno);
this.readDirection(Direction.TargetSegnoSegno);
this.readDirection(Direction.TargetFine);
this.readDirection(Direction.JumpDaCapo);
this.readDirection(Direction.JumpDaCapoAlCoda);
this.readDirection(Direction.JumpDaCapoAlDoubleCoda);
this.readDirection(Direction.JumpDaCapoAlFine);
this.readDirection(Direction.JumpDalSegno);
this.readDirection(Direction.JumpDalSegnoAlCoda);
this.readDirection(Direction.JumpDalSegnoAlDoubleCoda);
this.readDirection(Direction.JumpDalSegnoAlFine);
this.readDirection(Direction.JumpDalSegnoSegno);
this.readDirection(Direction.JumpDalSegnoSegnoAlCoda);
this.readDirection(Direction.JumpDalSegnoSegnoAlDoubleCoda);
this.readDirection(Direction.JumpDalSegnoSegnoAlFine);
this.readDirection(Direction.JumpDaCoda);
this.readDirection(Direction.JumpDaDoubleCoda);
// unknown (4)
this.data.skip(4);
}
// contents
this._barCount = IOHelper.readInt32LE(this.data);
this._trackCount = IOHelper.readInt32LE(this.data);
this.readMasterBars();
this.readTracks();
this.readBars();
// To be more in line with the GP7 structure we create an
// initial tempo automation on the first masterbar
if (this._score.masterBars.length > 0) {
const automation = Automation.buildTempoAutomation(false, 0, this._score.tempo, 2);
automation.text = this._score.tempoLabel;
this._score.masterBars[0].tempoAutomations.push(automation);
}
this._score.finish(this.settings);
if (this._lyrics && this._lyricsTrack >= 0) {
this._score.tracks[this._lyricsTrack].applyLyrics(this._lyrics);
}
return this._score;
}
private readDirection(direction: Direction) {
let directionIndex = IOHelper.readInt16LE(this.data);
// direction not set
if (directionIndex === -1) {
return;
}
// indexes are 1-based in file
directionIndex--;
let directionsList: Direction[];
if (this._directionLookup.has(directionIndex)) {
directionsList = this._directionLookup.get(directionIndex)!;
} else {
directionsList = [];
this._directionLookup.set(directionIndex, directionsList);
}
directionsList.push(direction);
}
public readVersion(): void {
let version: string = GpBinaryHelpers.gpReadStringByteLength(this.data, 30, this.settings.importer.encoding);
if (!version.startsWith(Gp3To5Importer.VersionString)) {
throw new UnsupportedFormatError('Unsupported format');
}
version = version.substr(Gp3To5Importer.VersionString.length + 1);
let dot: number = version.indexOf(String.fromCharCode(46));
this._versionNumber = 100 * parseInt(version.substr(0, dot)) + parseInt(version.substr(dot + 1));
Logger.debug(this.name, 'Guitar Pro version ' + version + ' detected');
}
public readScoreInformation(): void {
this._score.title = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.subTitle = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.artist = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.album = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.words = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.music =
this._versionNumber >= 500
? GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding)
: this._score.words;
this._score.copyright = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.tab = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
this._score.instructions = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
let noticeLines: number = IOHelper.readInt32LE(this.data);
let notice: string = '';
for (let i: number = 0; i < noticeLines; i++) {
if (i > 0) {
notice += '\r\n';
}
notice += GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding)?.toString();
}
this._score.notices = notice;
}
public readLyrics(): void {
this._lyrics = [];
this._lyricsTrack = IOHelper.readInt32LE(this.data) - 1;
for (let i: number = 0; i < 5; i++) {
let lyrics: Lyrics = new Lyrics();
lyrics.startBar = IOHelper.readInt32LE(this.data) - 1;
lyrics.text = GpBinaryHelpers.gpReadStringInt(this.data, this.settings.importer.encoding);
this._lyrics.push(lyrics);
}
}
public readPageSetup(): void {
// Page Width (4)
// Page Heigth (4)
// Padding Left (4)
// Padding Right (4)
// Padding Top (4)
// Padding Bottom (4)
// Size Proportion(4)
// Header and Footer display flags (2)
this.data.skip(30);
// title format
// subtitle format
// artist format
// album format
// words format
// music format
// words and music format
// copyright format
// pagpublic enumber format
for (let i: number = 0; i < 10; i++) {
GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
}
}
public readPlaybackInfos(): void {
this._playbackInfos = [];
for (let i: number = 0; i < 64; i++) {
let info: PlaybackInformation = new PlaybackInformation();
info.primaryChannel = i;
info.secondaryChannel = i;
info.program = IOHelper.readInt32LE(this.data);
info.volume = this.data.readByte();
info.balance = this.data.readByte();
this.data.skip(6);
this._playbackInfos.push(info);
}
}
public readMasterBars(): void {
for (let i: number = 0; i < this._barCount; i++) {
this.readMasterBar();
}
}
public readMasterBar(): void {
let previousMasterBar: MasterBar | null = null;
if (this._score.masterBars.length > 0) {
previousMasterBar = this._score.masterBars[this._score.masterBars.length - 1];
}
let newMasterBar: MasterBar = new MasterBar();
let flags: number = this.data.readByte();
// time signature
if ((flags & 0x01) !== 0) {
newMasterBar.timeSignatureNumerator = this.data.readByte();
} else if (previousMasterBar) {
newMasterBar.timeSignatureNumerator = previousMasterBar.timeSignatureNumerator;
}
if ((flags & 0x02) !== 0) {
newMasterBar.timeSignatureDenominator = this.data.readByte();
} else if (previousMasterBar) {
newMasterBar.timeSignatureDenominator = previousMasterBar.timeSignatureDenominator;
}
// repeatings
newMasterBar.isRepeatStart = (flags & 0x04) !== 0;
if ((flags & 0x08) !== 0) {
newMasterBar.repeatCount = this.data.readByte() + (this._versionNumber >= 500 ? 0 : 1);
}
// alternate endings (pre GP5)
if ((flags & 0x10) !== 0 && this._versionNumber < 500) {
let currentMasterBar: MasterBar | null = previousMasterBar;
// get the already existing alternatives to ignore them
let existentAlternatives: number = 0;
while (currentMasterBar) {
// found another repeat ending?
if (currentMasterBar.isRepeatEnd && currentMasterBar !== previousMasterBar) {
break;
}
// found the opening?
if (currentMasterBar.isRepeatStart) {
break;
}
existentAlternatives = existentAlternatives | currentMasterBar.alternateEndings;
currentMasterBar = currentMasterBar.previousMasterBar;
}
// now calculate the alternative for this bar
let repeatAlternative: number = 0;
let repeatMask: number = this.data.readByte();
for (let i: number = 0; i < 8; i++) {
// only add the repeating if it is not existing
let repeating: number = 1 << i;
if (repeatMask > i && (existentAlternatives & repeating) === 0) {
repeatAlternative = repeatAlternative | repeating;
}
}
newMasterBar.alternateEndings = repeatAlternative;
}
// marker
if ((flags & 0x20) !== 0) {
let section: Section = new Section();
section.text = GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
section.marker = '';
GpBinaryHelpers.gpReadColor(this.data, false);
newMasterBar.section = section;
}
// keysignature
if ((flags & 0x40) !== 0) {
newMasterBar.keySignature = IOHelper.readSInt8(this.data) as KeySignature;
newMasterBar.keySignatureType = this.data.readByte() as KeySignatureType;
} else if (previousMasterBar) {
newMasterBar.keySignature = previousMasterBar.keySignature;
newMasterBar.keySignatureType = previousMasterBar.keySignatureType;
}
if (this._versionNumber >= 500 && (flags & 0x03) !== 0) {
this.data.skip(4);
}
// better alternate ending mask in GP5
if (this._versionNumber >= 500) {
newMasterBar.alternateEndings = this.data.readByte();
}
// tripletfeel
if (this._versionNumber >= 500) {
let tripletFeel: number = this.data.readByte();
switch (tripletFeel) {
case 1:
newMasterBar.tripletFeel = TripletFeel.Triplet8th;
break;
case 2:
newMasterBar.tripletFeel = TripletFeel.Triplet16th;
break;
}
this.data.readByte();
} else {
newMasterBar.tripletFeel = this._globalTripletFeel;
}
newMasterBar.isDoubleBar = (flags & 0x80) !== 0;
const barIndexForDirection = this._score.masterBars.length;
if (this._directionLookup.has(barIndexForDirection)) {
for (const direction of this._directionLookup.get(barIndexForDirection)!) {
newMasterBar.addDirection(direction);
}
}
this._score.addMasterBar(newMasterBar);
}
public readTracks(): void {
for (let i: number = 0; i < this._trackCount; i++) {
this.readTrack();
}
}
public readTrack(): void {
let newTrack: Track = new Track();
newTrack.ensureStaveCount(1);
this._score.addTrack(newTrack);
let mainStaff: Staff = newTrack.staves[0];
// Track Flags:
// 1 - Percussion Track
// 2 - 12 Stringed Track
// 4 - Unknown
// 8 - Is Visible on Multi Track
// 16 - Unknown
// 32 - Unknown
// 64 - Unknown
// 128 - Show Tuning
let flags: number = this.data.readByte();
newTrack.name = GpBinaryHelpers.gpReadStringByteLength(this.data, 40, this.settings.importer.encoding);
if ((flags & 0x01) !== 0) {
mainStaff.isPercussion = true;
}
if (this._versionNumber >= 500) {
newTrack.isVisibleOnMultiTrack = (flags & 0x08) !== 0;
}
if (this._score.stylesheet.perTrackDisplayTuning === null) {
this._score.stylesheet.perTrackDisplayTuning = new Map<number, boolean>();
}
this._score.stylesheet.perTrackDisplayTuning!.set(newTrack.index, (flags & 0x80) !== 0);
//
let stringCount: number = IOHelper.readInt32LE(this.data);
let tuning: number[] = [];
for (let i: number = 0; i < 7; i++) {
let stringTuning: number = IOHelper.readInt32LE(this.data);
if (stringCount > i) {
tuning.push(stringTuning);
}
}
mainStaff.stringTuning.tunings = tuning;
let port: number = IOHelper.readInt32LE(this.data);
let index: number = IOHelper.readInt32LE(this.data) - 1;
let effectChannel: number = IOHelper.readInt32LE(this.data) - 1;
this.data.skip(4); // Fretcount
if (index >= 0 && index < this._playbackInfos.length) {
let info: PlaybackInformation = this._playbackInfos[index];
info.port = port;
info.isSolo = (flags & 0x10) !== 0;
info.isMute = (flags & 0x20) !== 0;
info.secondaryChannel = effectChannel;
if (GeneralMidi.isGuitar(info.program)) {
mainStaff.displayTranspositionPitch = -12;
}
newTrack.playbackInfo = info;
}
mainStaff.capo = IOHelper.readInt32LE(this.data);
newTrack.color = GpBinaryHelpers.gpReadColor(this.data, false);
if (this._versionNumber >= 500) {
const staveFlags = this.data.readByte();
mainStaff.showTablature = (staveFlags & 0x01) !== 0;
mainStaff.showStandardNotation = (staveFlags & 0x02) !== 0;
const showChordDiagramListOnTopOfScore = (staveFlags & 0x64) !== 0;
if (this._score.stylesheet.perTrackChordDiagramsOnTop === null) {
this._score.stylesheet.perTrackChordDiagramsOnTop = new Map<number, boolean>();
}
this._score.stylesheet.perTrackChordDiagramsOnTop!.set(newTrack.index, showChordDiagramListOnTopOfScore);
// flags for
// 0x02 -> auto let ring
// 0x04 -> auto brush
this.data.readByte();
// unknown
this.data.skip(43);
}
// unknown
if (this._versionNumber >= 510) {
this.data.skip(4);
GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
}
}
public readBars(): void {
for (let i: number = 0; i < this._barCount; i++) {
for (let t: number = 0; t < this._trackCount; t++) {
this.readBar(this._score.tracks[t]);
}
}
}
public readBar(track: Track): void {
let newBar: Bar = new Bar();
let mainStaff: Staff = track.staves[0];
if (mainStaff.isPercussion) {
newBar.clef = Clef.Neutral;
}
mainStaff.addBar(newBar);
let voiceCount: number = 1;
if (this._versionNumber >= 500) {
this.data.readByte();
voiceCount = 2;
}
for (let v: number = 0; v < voiceCount; v++) {
this.readVoice(track, newBar);
}
}
public readVoice(track: Track, bar: Bar): void {
let beatCount: number = IOHelper.readInt32LE(this.data);
if (beatCount === 0) {
return;
}
let newVoice: Voice = new Voice();
bar.addVoice(newVoice);
for (let i: number = 0; i < beatCount; i++) {
this.readBeat(track, bar, newVoice);
}
}
public readBeat(track: Track, bar: Bar, voice: Voice): void {
let newBeat: Beat = new Beat();
let flags: number = this.data.readByte();
if ((flags & 0x01) !== 0) {
newBeat.dots = 1;
}
if ((flags & 0x40) !== 0) {
let type: number = this.data.readByte();
newBeat.isEmpty = (type & 0x02) === 0;
}
voice.addBeat(newBeat);
let duration: number = IOHelper.readSInt8(this.data);
switch (duration) {
case -2:
newBeat.duration = Duration.Whole;
break;
case -1:
newBeat.duration = Duration.Half;
break;
case 0:
newBeat.duration = Duration.Quarter;
break;
case 1:
newBeat.duration = Duration.Eighth;
break;
case 2:
newBeat.duration = Duration.Sixteenth;
break;
case 3:
newBeat.duration = Duration.ThirtySecond;
break;
case 4:
newBeat.duration = Duration.SixtyFourth;
break;
default:
newBeat.duration = Duration.Quarter;
break;
}
if ((flags & 0x20) !== 0) {
newBeat.tupletNumerator = IOHelper.readInt32LE(this.data);
switch (newBeat.tupletNumerator) {
case 1:
newBeat.tupletDenominator = 1;
break;
case 3:
newBeat.tupletDenominator = 2;
break;
case 5:
case 6:
case 7:
newBeat.tupletDenominator = 4;
break;
case 9:
case 10:
case 11:
case 12:
case 13:
newBeat.tupletDenominator = 8;
break;
case 2:
case 4:
case 8:
break;
default:
newBeat.tupletNumerator = 1;
newBeat.tupletDenominator = 1;
break;
}
}
if ((flags & 0x02) !== 0) {
this.readChord(newBeat);
}
let beatTextAsLyrics = this.settings.importer.beatTextAsLyrics && track.index !== this._lyricsTrack; // detect if not lyrics track
if ((flags & 0x04) !== 0) {
const text = GpBinaryHelpers.gpReadStringIntUnused(this.data, this.settings.importer.encoding);
if (beatTextAsLyrics) {
const lyrics = new Lyrics();
lyrics.text = text.trim();
lyrics.finish(true);
// push them in reverse order to the store for applying them
// to the next beats being read
const beatLyrics: string[] = [];
for (let i = lyrics.chunks.length - 1; i >= 0; i--) {
beatLyrics.push(lyrics.chunks[i]);
}
this._beatTextChunksByTrack.set(track.index, beatLyrics);
} else {
newBeat.text = text;
}
}
let allNoteHarmonicType = HarmonicType.None;
if ((flags & 0x08) !== 0) {
allNoteHarmonicType = this.readBeatEffects(newBeat);
}
if ((flags & 0x10) !== 0) {
this.readMixTableChange(newBeat);
}
let stringFlags: number = this.data.readByte();
for (let i: number = 6; i >= 0; i--) {
if ((stringFlags & (1 << i)) !== 0 && 6 - i < bar.staff.tuning.length) {
const note = this.readNote(track, bar, voice, newBeat, 6 - i);
if (allNoteHarmonicType !== HarmonicType.None) {
note.harmonicType = allNoteHarmonicType;
if (note.harmonicType === HarmonicType.Natural) {
note.harmonicValue = ModelUtils.deltaFretToHarmonicValue(note.fret);
}
}
}
}
if (this._versionNumber >= 500) {
// not 100% sure about the bits here but they look good in all test files.
const flags2 = IOHelper.readInt16LE(this.data);
// beam flags indicate how to handle beams connected to the previous beat,
// so we have to set the beaming mode on the previous beat!
// 1 - Break Beams
if ((flags2 & 0x01) !== 0) {
if (newBeat.index > 0) {
voice.beats[newBeat.index - 1].beamingMode = BeatBeamingMode.ForceSplitToNext;
}
}
// 2 - Force beams down
// this bit also set if we 'invert' a down-stem, but bit 8 will force the direction to up as both bits are set
if ((flags2 & 0x02) !== 0) {
newBeat.preferredBeamDirection = BeamDirection.Down;
}
// 4 - Force Beams
if ((flags2 & 0x04) !== 0) {
if (newBeat.index > 0) {
voice.beats[newBeat.index - 1].beamingMode = BeatBeamingMode.ForceMergeWithNext;
}
}
// 8 - Force beams up
if ((flags2 & 0x08) !== 0) {
newBeat.preferredBeamDirection = BeamDirection.Up;
}
// 16 - Ottava 8va
if ((flags2 & 0x10) !== 0) {
newBeat.ottava = Ottavia._8va;
}
// 32 - Ottava 8vb
if ((flags2 & 0x20) !== 0) {
newBeat.ottava = Ottavia._8vb;
}
// 64 - Ottava 15ma
if ((flags2 & 0x40) !== 0) {
newBeat.ottava = Ottavia._15ma;
}
// 128 - Unknown, upper bit of first byte, maybe a placeholder.
// 256 - Ottava 15mb
if ((flags2 & 0x100) !== 0) {
newBeat.ottava = Ottavia._15mb;
}
// 512 - Unknown
// 1024 - Unknown
// 2048 - Break Secondary Beams info set? -> read another byte for flag
if ((flags2 & 0x800) !== 0) {
const breakSecondaryBeams = this.data.readByte() != 0;
if (newBeat.index > 0 && breakSecondaryBeams) {
voice.beats[newBeat.index - 1].beamingMode = BeatBeamingMode.ForceSplitOnSecondaryToNext;
}
}
// 4096 - Unknown
// 8096 - Force Tuplet Bracket
}
if (
beatTextAsLyrics &&
!newBeat.isRest &&
this._beatTextChunksByTrack.has(track.index) &&
this._beatTextChunksByTrack.get(track.index)!.length > 0
) {
newBeat.lyrics = [this._beatTextChunksByTrack.get(track.index)!.pop()!];
}
}
public readChord(beat: Beat): void {
let chord: Chord = new Chord();
let chordId: string = ModelUtils.newGuid();
if (this._versionNumber >= 500) {
this.data.skip(17);
chord.name = GpBinaryHelpers.gpReadStringByteLength(this.data, 21, this.settings.importer.encoding);
this.data.skip(4);
chord.firstFret = IOHelper.readInt32LE(this.data);
for (let i: number = 0; i < 7; i++) {
let fret: number = IOHelper.readInt32LE(this.data);
if (i < beat.voice.bar.staff.tuning.length) {
chord.strings.push(fret);
}
}
let numberOfBarres: number = this.data.readByte();
let barreFrets: Uint8Array = new Uint8Array(5);
this.data.read(barreFrets, 0, barreFrets.length);
for (let i: number = 0; i < numberOfBarres; i++) {
chord.barreFrets.push(barreFrets[i]);
}
this.data.skip(26);
} else {
if (this.data.readByte() !== 0) {
// gp4
if (this._versionNumber >= 400) {
// Sharp (1)
// Unused (3)
// Root (1)
// Major/Minor (1)
// Nin,Eleven or Thirteen (1)
// Bass (4)
// Diminished/Augmented (4)
// Add (1)
this.data.skip(16);
chord.name = GpBinaryHelpers.gpReadStringByteLength(this.data, 21, this.settings.importer.encoding);
// Unused (2)
// Fifth (1)
// Ninth (1)
// Eleventh (1)
this.data.skip(4);
chord.firstFret = IOHelper.readInt32LE(this.data);
for (let i: number = 0; i < 7; i++) {
let fret: number = IOHelper.readInt32LE(this.data);
if (i < beat.voice.bar.staff.tuning.length) {
chord.strings.push(fret);
}
}
let numberOfBarres: number = this.data.readByte();
let barreFrets: Uint8Array = new Uint8Array(5);
this.data.read(barreFrets, 0, barreFrets.length);
for (let i: number = 0; i < numberOfBarres; i++) {
chord.barreFrets.push(barreFrets[i]);
}
// Barree end (5)
// Omission1,3,5,7,9,11,13 (7)
// Unused (1)
// Fingering (7)
// Show Diagram Fingering (1)
// ??
this.data.skip(26);
} else {
// unknown
this.data.skip(25);
chord.name = GpBinaryHelpers.gpReadStringByteLength(this.data, 34, this.settings.importer.encoding);
chord.firstFret = IOHelper.readInt32LE(this.data);
for (let i: number = 0; i < 6; i++) {
let fret: number = IOHelper.readInt32LE(this.data);
if (i < beat.voice.bar.staff.tuning.length) {
chord.strings.push(fret);
}
}
// unknown
this.data.skip(36);
}
} else {
let strings: number = this._versionNumber >= 406 ? 7 : 6;
chord.name = GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
chord.firstFret = IOHelper.readInt32LE(this.data);
if (chord.firstFret > 0) {
for (let i: number = 0; i < strings; i++) {
let fret: number = IOHelper.readInt32LE(this.data);
if (i < beat.voice.bar.staff.tuning.length) {
chord.strings.push(fret);
}
}
}
}
}
if (chord.name) {
beat.chordId = chordId;
beat.voice.bar.staff.addChord(beat.chordId, chord);
}
}
public readBeatEffects(beat: Beat): HarmonicType {
let flags: number = this.data.readByte();
let flags2: number = 0;
if (this._versionNumber >= 400) {
flags2 = this.data.readByte();
}
if ((flags & 0x10) !== 0) {
beat.fade = FadeType.FadeIn;
}
if ((this._versionNumber < 400 && (flags & 0x01) !== 0) || (flags & 0x02) !== 0) {
beat.vibrato = VibratoType.Slight;
}
if ((flags2 & 0x01) !== 0) {
beat.rasgueado = Rasgueado.Ii;
}
if ((flags & 0x20) !== 0 && this._versionNumber >= 400) {
let slapPop: number = IOHelper.readSInt8(this.data);
switch (slapPop) {
case 1:
beat.tap = true;
break;
case 2:
beat.slap = true;
break;
case 3:
beat.pop = true;
break;
}
} else if ((flags & 0x20) !== 0) {
let slapPop: number = IOHelper.readSInt8(this.data);
switch (slapPop) {
case 1:
beat.tap = true;
break;
case 2:
beat.slap = true;
break;
case 3:
beat.pop = true;
break;
}
this.data.skip(4);
}
if ((flags2 & 0x04) !== 0) {
this.readTremoloBarEffect(beat);
}
if ((flags & 0x40) !== 0) {
let strokeUp: number = 0;
let strokeDown: number = 0;
if (this._versionNumber < 500) {
strokeDown = this.data.readByte();
strokeUp = this.data.readByte();
} else {
strokeUp = this.data.readByte();
strokeDown = this.data.readByte();
}
if (strokeUp > 0) {
beat.brushType = BrushType.BrushUp;
beat.brushDuration = Gp3To5Importer.toStrokeValue(strokeUp);
} else if (strokeDown > 0) {
beat.brushType = BrushType.BrushDown;
beat.brushDuration = Gp3To5Importer.toStrokeValue(strokeDown);
}
}
if ((flags2 & 0x02) !== 0) {
switch (IOHelper.readSInt8(this.data)) {
case 0:
beat.pickStroke = PickStroke.None;
break;
case 1:
beat.pickStroke = PickStroke.Up;
break;
case 2:
beat.pickStroke = PickStroke.Down;
break;
}
}
if (this._versionNumber < 400) {
if ((flags & 0x04) !== 0) {
return HarmonicType.Natural;
} else if ((flags & 0x08) !== 0) {
return HarmonicType.Artificial;
}
}
return HarmonicType.None;
}
public readTremoloBarEffect(beat: Beat): void {
this.data.readByte(); // type
IOHelper.readInt32LE(this.data); // value
let pointCount: number = IOHelper.readInt32LE(this.data);
if (pointCount > 0) {
for (let i: number = 0; i < pointCount; i++) {
let point: BendPoint = new BendPoint(0, 0);
point.offset = IOHelper.readInt32LE(this.data); // 0...60
point.value = (IOHelper.readInt32LE(this.data) / Gp3To5Importer.BendStep) | 0; // 0..12 (amount of quarters)
GpBinaryHelpers.gpReadBool(this.data); // vibrato
beat.addWhammyBarPoint(point);
}
}
}
private static toStrokeValue(value: number): number {
switch (value) {
case 1:
return 30;
case 2:
return 30;
case 3:
return 60;
case 4:
return 120;
case 5:
return 240;
case 6:
return 480;
default:
return 0;
}
}
public readMixTableChange(beat: Beat): void {
let tableChange: MixTableChange = new MixTableChange();
tableChange.instrument = IOHelper.readSInt8(this.data);
if (this._versionNumber >= 500) {
this.data.skip(16); // Rse Info
}
tableChange.volume = IOHelper.readSInt8(this.data);
tableChange.balance = IOHelper.readSInt8(this.data);
let chorus: number = IOHelper.readSInt8(this.data);
let reverb: number = IOHelper.readSInt8(this.data);
let phaser: number = IOHelper.readSInt8(this.data);
let tremolo: number = IOHelper.readSInt8(this.data);
if (this._versionNumber >= 500) {
tableChange.tempoName = GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
}
tableChange.tempo = IOHelper.readInt32LE(this.data);
// durations
if (tableChange.volume >= 0) {
this.data.readByte();
}
if (tableChange.balance >= 0) {
this.data.readByte();
}
if (chorus >= 0) {
this.data.readByte();
}
if (reverb >= 0) {
this.data.readByte();
}
if (phaser >= 0) {
this.data.readByte();
}
if (tremolo >= 0) {
this.data.readByte();
}
if (tableChange.tempo >= 0) {
tableChange.duration = IOHelper.readSInt8(this.data);
if (this._versionNumber >= 510) {
this.data.readByte(); // hideTempo (bool)
}
}
if (this._versionNumber >= 400) {
this.data.readByte(); // mixTableFlags
}
if (this._versionNumber >= 500) {
const wahType = IOHelper.readSInt8(this.data);
// const showWahWah = (mixTableFlags & 0x80) !== 0;
// -1 Off (when there is a mixtable but no wah-wah)
if (wahType >= 100) {
beat.wahPedal = WahPedal.Closed;
} else if (wahType >= 0) {
beat.wahPedal = WahPedal.Open;
}
}
// unknown
if (this._versionNumber >= 510) {
GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
GpBinaryHelpers.gpReadStringIntByte(this.data, this.settings.importer.encoding);
}
if (tableChange.volume >= 0) {
let volumeAutomation: Automation = new Automation();
volumeAutomation.isLinear = true;
volumeAutomation.type = AutomationType.Volume;
volumeAutomation.value = tableChange.volume;
beat.automations.push(volumeAutomation);
}
if (tableChange.balance >= 0) {
let balanceAutomation: Automation = new Automation();
balanceAutomation.isLinear = true;
balanceAutomation.type = AutomationType.Balance;
balanceAutomation.value = tableChange.balance;
beat.automations.push(balanceAutomation);
}
if (tableChange.instrument >= 0) {
let instrumentAutomation: Automation = new Automation();
instrumentAutomation.isLinear = true;
instrumentAutomation.type = AutomationType.Instrument;