/** @return bool */
public function isEqual(Play $other)
{
return $this->getStone()->isEqual($other->getStone()) && $this->getSide() === $other->getSide();
}
/**
* @param Play $play
*/
public function play(Play $play)
{
if (!$this->hasStone($play->getStone())) {
throw new InvalidMoveException('player does not have stone');
}
try {
$this->removeStone($play->getStone());
$this->game->addMove($this, $play);
} catch (InvalidMoveException $e) {
$this->addStones([$play->getStone()]);
throw $e;
}
}