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<?php |
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declare(strict_types=1); |
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namespace Stu\Module\Ship\Lib\Movement\Component; |
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use RuntimeException; |
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use Stu\Component\Ship\ShipEnum; |
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use Stu\Orm\Entity\MapInterface; |
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use Stu\Orm\Entity\ShipInterface; |
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use Stu\Orm\Entity\StarSystemMapInterface; |
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final class UpdateFlightDirection implements UpdateFlightDirectionInterface |
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{ |
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public function updateWhenTraversing( |
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MapInterface|StarSystemMapInterface $oldWaypoint, |
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MapInterface|StarSystemMapInterface $waypoint, |
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ShipInterface $ship |
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): int { |
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$startX = $oldWaypoint->getX(); |
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$startY = $oldWaypoint->getY(); |
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$destinationX = $waypoint->getX(); |
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$destinationY = $waypoint->getY(); |
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$flightDirection = null; |
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if ($destinationX === $startX) { |
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$oldy = $startY; |
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if ($destinationY > $oldy) { |
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$flightDirection = ShipEnum::DIRECTION_BOTTOM; |
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} elseif ($destinationY < $oldy) { |
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$flightDirection = ShipEnum::DIRECTION_TOP; |
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} |
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} |
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if ($destinationY === $startY) { |
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$oldx = $startX; |
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if ($destinationX > $oldx) { |
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$flightDirection = ShipEnum::DIRECTION_RIGHT; |
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} elseif ($destinationX < $oldx) { |
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$flightDirection = ShipEnum::DIRECTION_LEFT; |
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} |
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} |
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if ($flightDirection === null) { |
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throw new RuntimeException('this should not happen'); |
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} |
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$ship->setFlightDirection($flightDirection); |
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return $flightDirection; |
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} |
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public function updateWhenSystemExit(ShipInterface $ship, StarSystemMapInterface $starsystemMap): void |
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{ |
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$system = $starsystemMap->getSystem(); |
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$shipX = $starsystemMap->getSx(); |
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$shipY = $starsystemMap->getSy(); |
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$rad12or34 = atan($shipY / $shipX); |
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$rad14or23 = atan(($system->getMaxX() - $shipX) / $shipY); |
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if ($rad12or34 < M_PI_4) { |
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$flightDirection = $rad14or23 < M_PI_4 ? ShipEnum::DIRECTION_LEFT : ShipEnum::DIRECTION_BOTTOM; |
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} elseif ($rad14or23 < M_PI_4) { |
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$flightDirection = ShipEnum::DIRECTION_TOP; |
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} else { |
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$flightDirection = ShipEnum::DIRECTION_RIGHT; |
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} |
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$ship->setFlightDirection($flightDirection); |
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} |
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} |
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st-universe /
core
