Trans-Siberian Railway

Moscow to Vladivostok - 9,289 km across Russia

'Moscow - Yaroslavsky Station', 'lat' => 55.7558, 'lon' => 37.6173, 'description' => 'Begin the world\'s longest railway journey at Moscow\'s historic station.', 'image' => 'images/siberian1.jpg'], ['name' => 'Nizhny Novgorod - Volga Pearl', 'lat' => 56.2965, 'lon' => 43.9361, 'description' => 'Historic city at the confluence of the Volga and Oka rivers.', 'image' => 'images/siberian2.jpg'], ['name' => 'Yekaterinburg - Gateway to Siberia', 'lat' => 56.8389, 'lon' => 60.6057, 'description' => 'Russia\'s fourth-largest city on the border of Europe and Asia.', 'image' => 'images/siberian3.jpg'], ['name' => 'Omsk - Siberian Fortress', 'lat' => 54.9885, 'lon' => 73.3242, 'description' => 'Historic fortress city on the Irtysh River with grand architecture.', 'image' => 'images/siberian4.jpg'], ['name' => 'Novosibirsk - Heart of Siberia', 'lat' => 55.0084, 'lon' => 82.9357, 'description' => 'Russia\'s third-largest city and scientific center of Siberia.', 'image' => 'images/siberian5.jpg'], ['name' => 'Krasnoyarsk - Yenisei City', 'lat' => 56.0153, 'lon' => 92.8932, 'description' => 'Beautiful city on the mighty Yenisei River surrounded by nature reserves.', 'image' => 'images/siberian6.jpg'], ['name' => 'Irkutsk - Paris of Siberia', 'lat' => 52.2978, 'lon' => 104.2964, 'description' => 'Cultural capital near Lake Baikal with stunning wooden architecture.', 'image' => 'images/siberian7.jpg'], ['name' => 'Lake Baikal - The Sacred Sea', 'lat' => 53.5587, 'lon' => 108.1650, 'description' => 'The world\'s deepest and oldest freshwater lake, a UNESCO World Heritage site.', 'image' => 'images/siberian8.jpg'], ['name' => 'Chita - Gateway to Mongolia', 'lat' => 52.0340, 'lon' => 113.5006, 'description' => 'Historic outpost and junction of the Trans-Manchurian Railway.', 'image' => 'images/siberian9.jpg'], ['name' => 'Vladivostok - Pacific Terminus', 'lat' => 43.1332, 'lon' => 131.9113, 'description' => 'Complete your epic journey at Russia\'s Pacific port city.', 'image' => 'images/siberian10.jpg'] ]; $dataFile = 'transsiberian_data.json'; $gameData = file_exists($dataFile) ? json_decode(file_get_contents($dataFile), true) : ['players' => []]; $playerId = $_COOKIE['convaya_id'] ?? null; $playerName = $_COOKIE['convaya_name'] ?? ''; $currentPlayer = null; if ($playerId && isset($gameData['players'][$playerId])) { $currentPlayer = $gameData['players'][$playerId]; } if ($_SERVER['REQUEST_METHOD'] === 'POST') { $action = $_POST['action'] ?? ''; if ($action === 'join') { $name = trim($_POST['name'] ?? ''); if ($name) { $playerId = uniqid('player_'); $gameData['players'][$playerId] = [ 'name' => $name, 'discovered' => [], 'joined' => date('Y-m-d H:i:s'), 'lat' => null, 'lon' => null ]; file_put_contents($dataFile, json_encode($gameData, JSON_PRETTY_PRINT)); setcookie('convaya_id', $playerId, time() + 86400 * 365, '/'); setcookie('convaya_name', $name, time() + 86400 * 365, '/'); header('Location: ' . $_SERVER['PHP_SELF']); exit; } } if ($action === 'update_position' && $playerId) { $lat = floatval($_POST['lat'] ?? 0); $lon = floatval($_POST['lon'] ?? 0); if ($lat && $lon && isset($gameData['players'][$playerId])) { $gameData['players'][$playerId]['lat'] = $lat; $gameData['players'][$playerId]['lon'] = $lon; $gameData['players'][$playerId]['last_update'] = date('Y-m-d H:i:s'); foreach ($treasures as $index => $treasure) { $distance = haversine($lat, $lon, $treasure['lat'], $treasure['lon']); if ($distance < 50 && !in_array($index, $gameData['players'][$playerId]['discovered'])) { $gameData['players'][$playerId]['discovered'][] = $index; } } file_put_contents($dataFile, json_encode($gameData, JSON_PRETTY_PRINT)); } header('Content-Type: application/json'); echo json_encode(['success' => true, 'discovered' => $gameData['players'][$playerId]['discovered']]); exit; } } function haversine($lat1, $lon1, $lat2, $lon2) { $R = 6371; $dLat = deg2rad($lat2 - $lat1); $dLon = deg2rad($lon2 - $lon1); $a = sin($dLat/2) * sin($dLat/2) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * sin($dLon/2) * sin($dLon/2); $c = 2 * atan2(sqrt($a), sqrt(1-$a)); return $R * $c; } if ($currentPlayer) { $discovered = $currentPlayer['discovered'] ?? []; $progress = (count($discovered) / count($treasures)) * 100; ?>

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