/** * 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; }
private function writeNote(Note $note) { $flags = 0x20 | 0x10; if ($note->getEffect()->isGhostNote()) { $flags |= 0x4; } if ($note->getEffect()->isBend() || $note->getEffect()->isGrace() || $note->getEffect()->isSlide() || $note->getEffect()->isHammer() || $note->getEffect()->isLetRing()) { $flags |= 0x8; } $this->writeUnsignedByte($flags); if (($flags & 0x20) != 0) { $typeHeader = 0x1; if ($note->isTiedNote()) { $typeHeader = 0x2; } else { if ($note->getEffect()->isDeadNote()) { $typeHeader = 0x3; } } $this->writeUnsignedByte($typeHeader); } if (($flags & 0x10) != 0) { $this->writeByte(intval(($note->getVelocity() - Velocities::MIN_VELOCITY) / Velocities::VELOCITY_INCREMENT + 1)); } if (($flags & 0x20) != 0) { $this->writeByte($note->getValue()); } if (($flags & 0x8) != 0) { $this->writeNoteEffects($note->getEffect()); } }
private function writeNote(Note $note) { $flags = 0x20 | 0x10; if ($note->getEffect()->isVibrato() || $note->getEffect()->isBend() || $note->getEffect()->isGrace() || $note->getEffect()->isSlide() || $note->getEffect()->isHammer() || $note->getEffect()->isLetRing() || $note->getEffect()->isPalmMute() || $note->getEffect()->isStaccato() || $note->getEffect()->isHarmonic() || $note->getEffect()->isTrill() || $note->getEffect()->isTremoloPicking()) { $flags |= 0x8; } if ($note->getEffect()->isGhostNote()) { $flags |= 0x4; } if ($note->getEffect()->isHeavyAccentuatedNote()) { $flags |= 0x2; } if ($note->getEffect()->isAccentuatedNote()) { $flags |= 0x40; } $this->writeUnsignedByte($flags); if (($flags & 0x20) != 0) { $typeHeader = 0x1; if ($note->isTiedNote()) { $typeHeader = 0x2; } else { if ($note->getEffect()->isDeadNote()) { $typeHeader = 0x3; } } $this->writeUnsignedByte($typeHeader); } if (($flags & 0x10) != 0) { $this->writeByte(intval(($note->getVelocity() - Velocities::MIN_VELOCITY) / Velocities::VELOCITY_INCREMENT + 1)); } if (($flags & 0x20) != 0) { $this->writeByte($note->getValue()); } $this->skipBytes(1); if (($flags & 0x8) != 0) { $this->writeNoteEffects($note->getEffect()); } }