/**
* @param MoveInterface $move
*
* @return string
*/
public static function toNotation(MoveInterface $move)
{
if (null === $move->getPiece()) {
return '';
}
$notation = '';
$piece = $move->getPiece();
$toLabel = strtolower($move->getToLabel());
$isPawn = $piece->getType() === PieceInterface::TYPE_PAWN;
$pieceLetter = PieceDecorator::toLetter($piece);
if (null !== ($capture = $move->getCapture())) {
if ($isPawn) {
$column = BoardHelper::getColumnFromPosition($move->getFrom());
$pieceLetter = BoardHelper::columnNumberToLetter($column);
}
$notation .= sprintf('%sx%s', $pieceLetter, $toLabel);
if ($isPawn) {
if ($move->getType() === MoveInterface::TYPE_CAPTURE_EN_PASSANT) {
$notation .= 'e.p.';
}
}
return $notation;
}
if ($isPawn) {
return $toLabel;
}
return sprintf('%s%s', $pieceLetter, $toLabel);
}
/**
* @param MoveInterface $move
*
* @return GameState
*/
private function createStateFromMove(MoveInterface $move)
{
if (!$move->getFrom()) {
return null;
}
$gameState = new GameState();
$gameState->setFrom($move->getFrom());
$gameState->setTo($move->getTo());
$gameState->setPiece($move->getPiece());
$gameState->setCapture($move->getCapture());
$gameState->setMoveType($move->getType());
return $gameState;
}