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<?php declare(strict_types=1); |
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namespace Smr\Blackjack; |
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/** |
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* A game of blackjack between the dealer and a player. |
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*/ |
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class Table { |
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private Deck $deck; |
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public Hand $playerHand; |
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public Hand $dealerHand; |
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public function __construct(bool $deal = true) { |
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$this->deck = new Deck(); |
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$this->playerHand = new Hand(); |
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$this->dealerHand = new Hand(); |
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if ($deal) { |
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$this->deal(); |
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} |
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} |
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/** |
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* Deal the initial 4 cards (2 for player, 2 for dealer) |
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*/ |
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public function deal(): void { |
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$this->playerHand->addCard($this->deck->drawCard()); |
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$this->dealerHand->addCard($this->deck->drawCard()); |
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$this->playerHand->addCard($this->deck->drawCard()); |
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$this->dealerHand->addCard($this->deck->drawCard()); |
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} |
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/** |
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* Player draws a card |
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*/ |
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public function playerHits(): void { |
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$this->playerHand->addCard($this->deck->drawCard()); |
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} |
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/** |
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* Dealer draws cards until their hand has a value >= $limit |
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*/ |
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public function dealerHitsUntil(int $limit): void { |
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if ($this->playerHand->getValue() < 21) { |
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while ($this->dealerHand->getValue() < $limit) { |
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$this->dealerHand->addCard($this->deck->drawCard()); |
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} |
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} |
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} |
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/** |
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* Check if the game is forcibly over (a hand has blackjack or busted) |
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*/ |
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public function gameOver(): bool { |
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return $this->playerHand->getValue() >= 21 || $this->dealerHand->getValue() >= 21; |
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} |
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/** |
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* Get the result of the completed game from the player's perspective |
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*/ |
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public function getPlayerResult(): Result { |
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return match (true) { |
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$this->playerHand->hasBusted() => Result::Lose, |
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$this->playerHand->hasBlackjack() => Result::Blackjack, |
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$this->playerHand->getValue() == $this->dealerHand->getValue() => Result::Tie, |
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$this->playerHand->getValue() > $this->dealerHand->getValue() => Result::Win, |
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$this->dealerHand->hasBusted() => Result::Win, |
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default => Result::Lose, |
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}; |
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} |
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} |
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smrealms /
smr
