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<?php declare(strict_types=1); |
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namespace Stratadox\CardGame\Match; |
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use function array_merge; |
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use function assert; |
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use DateTimeInterface; |
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use Stratadox\CardGame\Match\Event\MatchStarted; |
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use Stratadox\CardGame\Match\Event\NextTurnStarted; |
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final class Turn |
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{ |
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/** @var int */ |
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private $currentPlayer; |
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/** @var TurnPhase */ |
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private $phase; |
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/** @var MatchEvent[] */ |
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private $events; |
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private function __construct( |
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int $currentPlayer, |
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TurnPhase $phase, |
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MatchEvent ...$events |
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) { |
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$this->currentPlayer = $currentPlayer; |
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$this->phase = $phase; |
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$this->events = $events; |
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} |
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public static function first( |
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int $player, |
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DateTimeInterface $since, |
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MatchId $match |
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): Turn { |
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return new Turn( |
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$player, |
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TurnPhase::play($since, $match), |
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new MatchStarted($match, $player) |
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); |
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} |
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/** @throws NotYourTurn */ |
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public function mustAllowCardPlaying( |
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int $player, |
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DateTimeInterface $now |
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): void { |
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if ($this->isNotOf($player) || $this->phase->prohibitsPlaying($now)) { |
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throw NotYourTurn::cannotPlayCards(); |
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} |
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} |
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/** @throws NotYourTurn */ |
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public function mustAllowAttacking( |
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int $player, |
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DateTimeInterface $now |
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): void { |
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if ($this->isNotOf($player) || $this->phase->prohibitsAttacking($now)) { |
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throw NotYourTurn::cannotAttack(); |
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} |
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} |
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/** @throws NotYourTurn */ |
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public function mustAllowDefending( |
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int $player, |
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DateTimeInterface $now |
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): void { |
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if ($this->isNotOf($player) || $this->phase->prohibitsDefending($now)) { |
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throw NotYourTurn::cannotDefend(); |
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} |
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} |
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/** @throws NotYourTurn */ |
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public function mustAllowStartingCombat(int $player): void |
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{ |
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if ($this->isNotOf($player) || $this->phase->prohibitsCombat()) { |
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throw NotYourTurn::cannotStartCombat(); |
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} |
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} |
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public function events(): array |
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{ |
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return array_merge($this->events, $this->phase->events()); |
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} |
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public function hasNotHadCombatYet(): bool |
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{ |
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return !$this->phase->isAfterCombat(); |
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} |
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public function hasExpired(DateTimeInterface $now): bool |
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{ |
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return $this->phase->hasExpired($now); |
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} |
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public function currentPlayer(): int |
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{ |
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return $this->currentPlayer; |
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} |
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/** @throws NotYourTurn */ |
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public function endCardPlayingPhaseFor( |
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int $player, |
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DateTimeInterface $now, |
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MatchId $match |
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): Turn { |
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if ($this->isNotOf($player)) { |
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throw NotYourTurn::cannotEndCardPlayingPhase(); |
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} |
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return new Turn($this->currentPlayer, $this->phase->startAttack($now, $match)); |
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} |
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public function startPlayPhase(DateTimeInterface $now, MatchId $match): Turn |
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{ |
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return new Turn($this->currentPlayer, $this->phase->startPlay($now, $match)); |
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} |
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/** @throws NotYourTurn */ |
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public function beginTheTurnOf( |
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int $player, |
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DateTimeInterface $now, |
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int $previousPlayer, |
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bool $shouldDefendFirst, |
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MatchId $match |
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): Turn { |
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if ($this->isNotOf($previousPlayer)) { |
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throw NotYourTurn::cannotEndTurn(); |
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} |
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return new Turn( |
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$player, |
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TurnPhase::defendOrPlay($shouldDefendFirst, $now, $match), |
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new NextTurnStarted($match, $player) |
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); |
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} |
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/** @throws NoNextPhase|NeedCombatFirst */ |
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public function endExpiredPhase(DateTimeInterface $now, MatchId $match): Turn |
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{ |
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assert($this->hasExpired($now)); |
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return new self($this->currentPlayer, $this->phase->next($now, $match)); |
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} |
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private function isNotOf(int $player): bool |
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{ |
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return $this->currentPlayer !== $player; |
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} |
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} |
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Stratadox /
CardGame
