/**
* Reads Track informations
* @param Song $song
* @param integer $number
* @param array $channels an array of Channel objects
* @param Lyric $lyrics
*
* @return Track
*/
public function readTrack(Song $song, $number, $channels, Lyric $lyrics)
{
$track = new Track();
$track->setSong($song);
$track->setNumber($number);
$track->setLyrics($lyrics);
$this->reader->readUnsignedByte();
$track->setName($this->reader->readStringByte(40));
$stringCount = $this->reader->readInt();
for ($i = 0; $i < 7; $i++) {
$tuning = $this->reader->readInt();
if ($stringCount > $i) {
$string = new TabString();
$string->setNumber($i + 1);
$string->setValue($tuning);
$track->addString($string);
}
}
$this->reader->readInt();
$this->reader->factory('GuitarProChannel')->readChannel($song, $track, $channels);
$this->reader->readInt();
$track->setOffset($this->reader->readInt());
$this->reader->factory('GuitarProColor')->readColor($track->getColor());
return $track;
}
/**
* Reads a note
*
* @param TabString $string
* @param track $track
* @param NoteEffect $effect
* @return Note
*/
public function readNote(TabString $string, Track $track, NoteEffect $effect)
{
$flags = $this->reader->readUnsignedByte();
$note = new Note();
$note->setString($string->getNumber());
$note->setEffect($effect);
$note->getEffect()->setAccentuatedNote(($flags & 0x40) != 0);
$note->getEffect()->setGhostNote(($flags & 0x4) != 0);
if (($flags & 0x20) != 0) {
$noteType = $this->reader->readUnsignedByte();
$note->setTiedNote($noteType == 0x2);
$note->getEffect()->setDeadNote($noteType == 0x3);
}
if (($flags & 0x1) != 0) {
$this->reader->skip(2);
}
if (($flags & 0x10) != 0) {
$note->setVelocity(Velocities::MIN_VELOCITY + Velocities::VELOCITY_INCREMENT * $this->reader->readByte() - Velocities::VELOCITY_INCREMENT);
}
if (($flags & 0x20) != 0) {
$fret = $this->reader->readByte();
$value = $note->isTiedNote() ? $this->reader->factory('GuitarPro3TiedNote')->getTiedNoteValue($string->getNumber(), $track) : $fret;
$note->setValue($value >= 0 && $value < 100 ? $value : 0);
}
if (($flags & 0x80) != 0) {
$this->reader->skip(2);
}
if (($flags & 0x8) != 0) {
$this->reader->factory('GuitarPro4NoteEffects')->readNoteEffects($note->getEffect());
}
return $note;
}
