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<?php |
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declare(strict_types=1); |
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namespace Arp\DominoGame\Value; |
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use Arp\DominoGame\Exception\DominoGameException; |
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/** |
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* @author Alex Patterson <[email protected]> |
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* @package Arp\DominoGame\Value |
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*/ |
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class PlayerCollection extends AbstractCollection |
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{ |
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/** |
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* Sort and return a NEW collection sorted by players with the lowest number of dominoes in their hand. |
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* |
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* @return PlayerCollection |
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*/ |
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public function getOrderedByLowestCount(): PlayerCollection |
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{ |
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$elements = $this->elements; |
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usort( |
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$elements, |
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static function (Player $playerA, Player $playerB): int { |
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return $playerA->getHandCount() <=> $playerB->getHandCount(); |
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} |
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); |
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return new static($elements); |
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} |
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/** |
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* Sort and return a NEW collection sorted by players with the highest double in their hand. |
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* |
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* @return PlayerCollection |
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*/ |
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public function getOrderedByHighestDouble(): PlayerCollection |
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{ |
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$elements = $this->elements; |
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usort( |
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$elements, |
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static function (Player $playerA, Player $playerB): int { |
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$doubleA = $playerA->getHighestDouble(); |
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$doubleB = $playerB->getHighestDouble(); |
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if (null === $doubleA && null === $doubleB) { |
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return 0; |
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} |
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if ((null !== $doubleA) && $doubleA->isDouble() && (null === $doubleB || !$doubleB->isDouble())) { |
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return 0; |
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} |
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if ((null !== $doubleB) && $doubleB->isDouble() && (null === $doubleA || !$doubleA->isDouble())) { |
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return 1; |
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} |
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return $doubleB->getValue() <=> $doubleA->getValue(); |
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} |
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); |
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return new static($elements); |
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} |
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/** |
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* Return the player with the lowest valued sum of all tiles in their hand. |
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* |
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* @return Player |
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* |
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* @throws DominoGameException If the collection is empty |
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*/ |
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public function getWithLowestHandValue(): Player |
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{ |
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$elements = $this->elements; |
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usort( |
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$elements, |
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static function (Player $playerA, Player $playerB): int { |
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return $playerA->getHandValue() <=> $playerB->getHandValue(); |
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} |
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); |
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/** @var Player $player */ |
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$player = (new static($elements))->first(); |
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if (null === $player) { |
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throw new DominoGameException( |
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'Unable to find player with lowest value with an empty player collection' |
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); |
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} |
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return $player; |
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} |
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} |
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alex-patterson-webdev /
domino-game
