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<?php declare(strict_types=1); |
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namespace Smr\Routes; |
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use ArrayIterator; |
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use InfiniteIterator; |
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/** |
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* Cyclically iterate over actions on a trade route |
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*/ |
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class RouteIterator { |
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private InfiniteIterator $routeIterator; |
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private string $transaction = TRADER_BUYS; |
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public function __construct( |
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private MultiplePortRoute $route |
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) { |
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$oneWayRoutes = $route->getOneWayRoutes(); |
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$this->routeIterator = new InfiniteIterator(new ArrayIterator($oneWayRoutes)); |
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// PHP bug prevents IteratorIterator cache from initializing properly. |
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// Just rewind to force it to populate its cache. |
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$this->routeIterator->rewind(); |
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} |
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public function getEntireRoute(): MultiplePortRoute { |
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return $this->route; |
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} |
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public function getCurrentRoute(): OneWayRoute { |
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return $this->routeIterator->current(); |
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} |
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public function getCurrentTransaction(): string { |
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return $this->transaction; |
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} |
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public function getCurrentSectorID(): int { |
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return match ($this->transaction) { |
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TRADER_BUYS => $this->getCurrentRoute()->getBuySectorId(), |
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TRADER_SELLS => $this->getCurrentRoute()->getSellSectorId(), |
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}; |
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} |
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/** |
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* Advance to the next action on the route |
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*/ |
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public function next(): void { |
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if ($this->transaction == TRADER_SELLS) { |
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$this->routeIterator->next(); |
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} |
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$this->transaction = match ($this->transaction) { |
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TRADER_SELLS => TRADER_BUYS, |
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TRADER_BUYS => TRADER_SELLS, |
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}; |
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} |
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} |
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smrealms /
smr
