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<?php |
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declare(strict_types=1); |
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namespace PanicLabCore\Services; |
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use function array_reverse; |
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use function count; |
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use PanicLabCore\Services\Exceptions\EntryTileMissingException; |
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use PanicLabCore\Services\Handlers\TileHandlerCollectorInterface; |
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use PanicLabCore\Structs\Dice; |
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use PanicLabCore\Structs\EntryTile; |
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use PanicLabCore\Structs\GermTile; |
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use PanicLabCore\Structs\Step; |
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use PanicLabCore\Structs\Target; |
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use PanicLabCore\Structs\Tile; |
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use function sprintf; |
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class CalcService implements CalcServiceInterface |
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{ |
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/** @var Tile[] */ |
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public $tiles; |
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/** @var Dice */ |
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public $diceResult; |
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/** @var Target */ |
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public $target; |
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/** @var int */ |
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public $maxSteps; |
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/** @var TileHandlerCollectorInterface */ |
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public $tileHandlerCollector; |
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/** @var Step */ |
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public $stepStruct; |
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public function __construct(TileHandlerCollectorInterface $tileHandler, int $maxSteps) |
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{ |
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$this->tileHandlerCollector = $tileHandler; |
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$this->maxSteps = $maxSteps; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function calculate(array $tiles, Dice $diceResult): GermTile |
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{ |
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$this->tiles = $tiles; |
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$this->prepare($diceResult); |
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return $this->step(); |
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} |
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public function prepare(Dice $diceResult): void |
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{ |
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if ($diceResult->getEntryDirection() === 'left') { |
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$this->reverseTiles(); |
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} |
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$this->target = new Target( |
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$diceResult->getGermColor(), |
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$diceResult->getGermSize(), |
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$diceResult->getGermStyle() |
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); |
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$this->stepStruct = new Step($this->findStartIndex($diceResult->getEntryColor()), 0, $this->maxSteps); |
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} |
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public function reverseTiles(): void |
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{ |
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$this->tiles = array_reverse($this->tiles); |
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} |
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public function findStartIndex(string $entryColor): int |
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{ |
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foreach ($this->tiles as $tileIndex => $tile) { |
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if (!$tile instanceof EntryTile) { |
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continue; |
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} |
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if ($tile->getColor() !== $entryColor) { |
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continue; |
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} |
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return (int) $tileIndex; |
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} |
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throw new EntryTileMissingException(sprintf('No entry tile with color \'%s\' in the set-up.', $entryColor)); |
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} |
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public function step(): GermTile |
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{ |
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$this->stepStruct->increase(); |
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$this->stepStruct->checkForOverstep(count($this->tiles)); |
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/** @var GermTile $currentTile */ |
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$currentTile = $this->tiles[$this->stepStruct->getCurrentIndex()]; |
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if ($this->isTargetTile($currentTile)) { |
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return $currentTile; |
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} |
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$this->tileHandlerCollector->handle($this->tiles, $this->target, $this->stepStruct); |
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return $this->step(); |
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} |
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public function isTargetTile(Tile $tile): bool |
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{ |
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if (!$tile instanceof GermTile) { |
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return false; |
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} |
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return $this->target->checkIfSame($tile); |
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} |
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} |
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PaddyS /
panic-lab-helper-core
