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<?php |
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namespace App\Game; |
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use App\Card\Deck; |
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use App\Card\Card; |
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/** |
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* Manages a Blackjack game. |
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*/ |
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class BlackjackGame |
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{ |
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/** @var Deck The deck of cards */ |
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private $deck; |
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/** @var Card[] The player hand */ |
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private $playerHand = []; |
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/** @var Card[] The dealer hand */ |
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private $dealerHand = []; |
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/** |
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* BlackjackGame constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->deck = new Deck(); |
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$this->deck->shuffle(); |
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} |
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/** |
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* Deal first cards to player and dealer. |
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*/ |
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public function dealCards(): void |
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{ |
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$this->playerHand[] = $this->deck->drawCard(); |
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$this->playerHand[] = $this->deck->drawCard(); |
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$this->dealerHand[] = $this->deck->drawCard(); |
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} |
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/** |
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* Draw a card for the player. |
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*/ |
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public function hitPlayer(): void |
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{ |
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$this->playerHand[] = $this->deck->drawCard(); |
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} |
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/** |
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* Draw a card for the dealer. |
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*/ |
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public function hitDealer(): void |
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{ |
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$this->dealerHand[] = $this->deck->drawCard(); |
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} |
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/** |
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* Get player hand. |
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* |
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* @return Card[] The player hand |
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*/ |
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public function getPlayerHand(): array |
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{ |
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return $this->playerHand; |
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} |
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/** |
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* Get dealer hand. |
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* |
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* @return Card[] The dealer hand |
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*/ |
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public function getDealerHand(): array |
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{ |
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return $this->dealerHand; |
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} |
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/** |
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* Calculate the total value of a hand. |
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* |
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* @param Card[] $hand The hand to calculate |
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* @return int The value of the hand |
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*/ |
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public function getHandValue(array $hand): int |
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{ |
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$value = 0; |
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$aceCount = 0; |
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foreach ($hand as $card) { |
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$cardValue = $card->getBlackjackValue(); |
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$value += $cardValue; |
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if ($card->getValue() == 'Ace') { |
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$aceCount++; |
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} |
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} |
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while ($value > 21 && $aceCount > 0) { |
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$value -= 10; |
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$aceCount--; |
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} |
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return $value; |
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} |
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/** |
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* Check if the dealer must draw more cards. |
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* |
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* @return bool True if dealer hand value is below 17 |
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*/ |
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public function dealerMustDraw(): bool |
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{ |
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return $this->getHandValue($this->dealerHand) < 17; |
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} |
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/** |
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* Check if the player has busted. |
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* |
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* @return bool True if player hand value exceeds 21 |
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*/ |
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public function isPlayerBusted(): bool |
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{ |
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return $this->getHandValue($this->playerHand) > 21; |
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} |
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} |
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Pbris /
mvc1
