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<?php |
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namespace EM\GameBundle\Service\GameSystem; |
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use EM\GameBundle\Entity\Battlefield; |
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use EM\GameBundle\Entity\Cell; |
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use EM\GameBundle\Entity\Game; |
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use EM\GameBundle\Entity\GameResult; |
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use EM\GameBundle\Entity\Player; |
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use EM\GameBundle\Exception\GameProcessorException; |
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use EM\GameBundle\Model\BattlefieldModel; |
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use EM\GameBundle\Model\CellModel; |
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use EM\GameBundle\Model\PlayerModel; |
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use EM\GameBundle\Service\AI\AIService; |
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/** |
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* @see GameProcessorTest |
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* |
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* @since 10.0 |
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*/ |
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class GameProcessor |
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{ |
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/** |
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* @var AIService |
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*/ |
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private $ai; |
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public function __construct(AIService $ai) |
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{ |
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$this->ai = $ai; |
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} |
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/** |
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* @param Cell $cell |
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* |
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* @return Game |
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* @throws GameProcessorException |
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*/ |
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public function processTurn(Cell $cell) : Game |
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{ |
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$game = $cell->getBattlefield()->getGame(); |
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if (null !== $game->getResult()) { |
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throw new GameProcessorException("game: {$game->getId()} already has result"); |
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} |
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foreach ($game->getBattlefields() as $battlefield) { |
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$attacker = $battlefield->getPlayer(); |
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if ($this->processPlayerTurnOnBattlefields($game, $attacker, $cell)) { |
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$result = (new GameResult()) |
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->setPlayer($attacker); |
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$game->setResult($result); |
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break; |
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} |
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} |
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return $game; |
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} |
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/** |
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* @since 21.1 |
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* |
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* @param Game $game |
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* @param Player $attacker |
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* @param Cell $cell |
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* |
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* @return bool - true if game been won, otherwise false |
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*/ |
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protected function processPlayerTurnOnBattlefields(Game $game, Player $attacker, Cell $cell) : bool |
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{ |
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foreach ($game->getBattlefields() as $battlefield) { |
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try { |
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if ($this->processPlayerTurnOnBattlefield($battlefield, $attacker, $cell)) { |
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return true; |
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} |
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} catch (GameProcessorException $e) { |
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continue; |
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} |
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} |
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return false; |
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} |
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/** |
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* @since 21.0 |
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* |
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* @param Battlefield $battlefield |
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* @param Player $attacker |
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* @param Cell $cell |
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* |
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* @return bool - true if target battlefield do not have any life ships, otherwise false |
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* @throws GameProcessorException |
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*/ |
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protected function processPlayerTurnOnBattlefield(Battlefield $battlefield, Player $attacker, Cell $cell) : bool |
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{ |
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/** do not process turn on itself */ |
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if ($battlefield->getPlayer() === $attacker) { |
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throw new GameProcessorException('player attacked itself'); |
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} |
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$cell = $this->processPlayerTurn($battlefield, $cell); |
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if (CellModel::isShipDead($cell)) { |
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BattlefieldModel::flagWaterAroundShip($cell); |
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return !BattlefieldModel::hasUnfinishedShips($battlefield); |
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} |
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return false; |
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} |
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/** |
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* @param Battlefield $battlefield |
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* @param Cell $cell - this cell will be attacked if attacker is human |
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* |
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* @return Cell |
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*/ |
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protected function processPlayerTurn(Battlefield $battlefield, Cell $cell) : Cell |
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{ |
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return PlayerModel::isAIControlled($battlefield->getPlayer()) |
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? CellModel::switchPhase($cell) |
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: $this->ai->processCPUTurn($battlefield); |
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} |
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} |
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eugene-matvejev /
battleship-game-api
