/**
* Handle pawn enpassant
**/
protected function enpassant(Pawn $pawn, Square $to)
{
$passedSquare = $to->getSquareByRelativePos(0, $pawn->getPlayer()->isWhite() ? -1 : 1);
$killed = $passedSquare->getPiece();
if (!$killed || $killed->getPlayer() === $pawn->getPlayer()) {
throw new \LogicException(sprintf('Manipulator:move game:%s, Can not enpassant to ' . $to, $this->game->getId()));
}
$killed->setIsDead(true);
$this->board->remove($killed);
$this->stack->addEvent(array('type' => 'enpassant', 'killed' => $passedSquare->getKey()));
}
/**
* Handle castling
**/
protected function castling(King $king, Square $to)
{
if (7 === $to->getX()) {
$rookSquare = $to->getSquareByRelativePos(1, 0);
$newRookSquare = $to->getSquareByRelativePos(-1, 0);
} else {
$rookSquare = $to->getSquareByRelativePos(-2, 0);
$newRookSquare = $to->getSquareByRelativePos(1, 0);
}
$rook = $rookSquare->getPiece();
$this->board->move($rook, $newRookSquare->getX(), $newRookSquare->getY());
$rook->setFirstMove($this->game->getTurns());
if ($this->stack) {
$this->stack->add(array('type' => 'castling', 'from' => $rookSquare->getKey(), 'to' => $newRookSquare->getKey()));
}
}