/**
* @return array flat array of keys
*/
public function getPlayerControlledKeys(Player $player, $includeKing = true)
{
$controlledKeys = array();
foreach (PieceFilter::filterAlive($player->getPieces()) as $piece) {
if ($includeKing || !$piece instanceof King) {
$controlledKeys = array_merge($controlledKeys, $piece->getAttackTargetKeys());
}
}
return $controlledKeys;
}
protected function getLastPiece(Player $player)
{
$pieces = PieceFilter::filterNotClass(PieceFilter::filterAlive($player->getPieces()), 'King');
return empty($pieces) ? null : $pieces[0];
}
