131 lines
3.9 KiB
PHP
131 lines
3.9 KiB
PHP
<?php namespace MapGuesser\Controller;
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use MapGuesser\Interfaces\Request\IRequest;
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use MapGuesser\Util\Geo\Position;
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use MapGuesser\Response\JsonContent;
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use MapGuesser\Interfaces\Response\IContent;
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use MapGuesser\Repository\PlaceRepository;
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class GameFlowController
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{
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const NUMBER_OF_ROUNDS = 5;
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const MAX_SCORE = 1000;
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private IRequest $request;
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private PlaceRepository $placeRepository;
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public function __construct(IRequest $request)
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{
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$this->request = $request;
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$this->placeRepository = new PlaceRepository();
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}
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public function getNewPlace(): IContent
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{
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$mapId = (int) $this->request->query('mapId');
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$session = $this->request->session();
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if (!($state = $session->get('state')) || $state['mapId'] !== $mapId) {
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$data = ['error' => 'no_session_found'];
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return new JsonContent($data);
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}
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if (count($state['rounds']) === 0) {
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$place = $this->placeRepository->getForMapWithValidPano($mapId);
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$state['rounds'][] = $place;
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$session->set('state', $state);
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$data = ['panoId' => $place['panoId']];
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} else {
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$rounds = count($state['rounds']);
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$last = $state['rounds'][$rounds - 1];
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$history = [];
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for ($i = 0; $i < $rounds - 1; ++$i) {
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$round = $state['rounds'][$i];
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$history[] = [
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'position' => $round['position']->toArray(),
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'guessPosition' => $round['guessPosition']->toArray(),
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'distance' => $round['distance'],
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'score' => $round['score']
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];
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}
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$data = [
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'history' => $history,
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'panoId' => $last['panoId']
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];
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}
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return new JsonContent($data);
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}
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public function evaluateGuess(): IContent
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{
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$mapId = (int) $this->request->query('mapId');
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$session = $this->request->session();
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if (!($state = $session->get('state')) || $state['mapId'] !== $mapId) {
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$data = ['error' => 'no_session_found'];
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return new JsonContent($data);
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}
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$last = $state['rounds'][count($state['rounds']) - 1];
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$position = $last['position'];
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$guessPosition = new Position((float) $this->request->post('lat'), (float) $this->request->post('lng'));
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$distance = $this->calculateDistance($position, $guessPosition);
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$score = $this->calculateScore($distance, $state['area']);
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$last['guessPosition'] = $guessPosition;
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$last['distance'] = $distance;
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$last['score'] = $score;
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$state['rounds'][count($state['rounds']) - 1] = $last;
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if (count($state['rounds']) < static::NUMBER_OF_ROUNDS) {
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$exclude = [];
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foreach ($state['rounds'] as $round) {
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$exclude = array_merge($exclude, $round['placesWithoutPano'], [$round['placeId']]);
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}
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$place = $this->placeRepository->getForMapWithValidPano($mapId, $exclude);
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$state['rounds'][] = $place;
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$session->set('state', $state);
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$panoId = $place['panoId'];
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} else {
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$state['rounds'] = [];
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$session->set('state', $state);
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$panoId = null;
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}
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$data = [
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'result' => [
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'position' => $position->toArray(),
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'distance' => $distance,
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'score' => $score
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],
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'panoId' => $panoId
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];
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return new JsonContent($data);
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}
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private function calculateDistance(Position $realPosition, Position $guessPosition): float
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{
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return $realPosition->calculateDistanceTo($guessPosition);
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}
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private function calculateScore(float $distance, float $area): int
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{
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$goodness = 1.0 - ($distance / sqrt($area));
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return (int) round(pow(static::MAX_SCORE, $goodness));
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}
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}
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