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| 1 | <?php declare(strict_types=1); |
| 2 | |
| 3 | /** |
| 4 | * Clansuite Server Query |
| 5 | * |
| 6 | * SPDX-FileCopyrightText: 2003-2025 Jens A. Koch |
| 7 | * SPDX-License-Identifier: MIT |
| 8 | * |
| 9 | * For the full copyright and license information, please view |
| 10 | * the LICENSE file that was distributed with this source code. |
| 11 | */ |
| 12 | |
| 13 | namespace Clansuite\ServerQuery\ServerProtocols; |
| 14 | |
| 15 | use function array_shift; |
| 16 | use function array_slice; |
| 17 | use function count; |
| 18 | use function explode; |
| 19 | use function is_string; |
| 20 | use function preg_match; |
| 21 | use function trim; |
| 22 | use Override; |
| 23 | |
| 24 | /** |
| 25 | * Implements the query protocol for Quake 2 servers. |
| 26 | * Extends the base Quake protocol with Quake 2 specific query handling and data parsing. |
| 27 | */ |
| 28 | class Quake2 extends Quake |
| 29 | { |
| 30 | /** |
| 31 | * Protocol name. |
| 32 | */ |
| 33 | public string $name = 'Quake 2'; |
| 34 | |
| 35 | /** |
| 36 | * List of supported games. |
| 37 | */ |
| 38 | public array $supportedGames = ['Quake 2']; |
| 39 | |
| 40 | /** |
| 41 | * Protocol identifier. |
| 42 | */ |
| 43 | public string $protocol = 'Quake'; |
| 44 | |
| 45 | /** |
| 46 | * Game series. |
| 47 | */ |
| 48 | public string $game_series = 'Quake'; |
| 49 | |
| 50 | /** |
| 51 | * query_server method. |
| 52 | */ |
| 53 | #[Override] |
| 54 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 55 | { |
| 56 | if ($this->online) { |
| 57 | $this->reset(); |
| 58 | } |
| 59 | |
| 60 | // Quake2 uses simple text commands - try different ones |
| 61 | $commands = ["status\n", "info\n", "ping\n"]; |
| 62 | |
| 63 | $result = false; |
| 64 | |
| 65 | foreach ($commands as $command) { |
| 66 | if (($result = $this->sendCommand((string) $this->address, (int) $this->queryport, $command)) !== false) { |
| 67 | break; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | if ($result === '' || $result === '0' || $result === false) { |
| 72 | $this->errstr = 'No reply received'; |
| 73 | |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | // Parse the Quake2 response |
| 78 | // Format: first line is server info, subsequent lines are players |
| 79 | $lines = explode("\n", trim($result)); |
| 80 | |
| 81 | // First line contains server info in key\value format |
| 82 | $serverInfo = $lines[0]; |
| 83 | $this->parseServerInfo($serverInfo); |
| 84 | |
| 85 | // Remaining lines are players (if any) |
| 86 | if ($getPlayers && count($lines) > 1) { |
| 87 | $this->parsePlayers(array_slice($lines, 1)); |
| 88 | } |
| 89 | |
| 90 | $this->online = true; |
| 91 | |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Parse server info line. |
| 97 | */ |
| 98 | private function parseServerInfo(string $info): void |
| 99 | { |
| 100 | // Format: \key\value\key\value... |
| 101 | $parts = explode('\\', $info); |
| 102 | |
| 103 | // Skip empty first part if it starts with \ |
| 104 | if (isset($parts[0]) && $parts[0] === '') { |
| 105 | array_shift($parts); |
| 106 | } |
| 107 | |
| 108 | $rules = []; |
| 109 | |
| 110 | for ($i = 0; $i < count($parts) - 1; $i += 2) { |
| 111 | $key = $parts[$i] ?? ''; |
| 112 | $value = $parts[$i + 1] ?? ''; |
| 113 | |
| 114 | // Map common keys to properties |
| 115 | switch ($key) { |
| 116 | case 'hostname': |
| 117 | $this->servertitle = $value; |
| 118 | |
| 119 | break; |
| 120 | |
| 121 | case 'mapname': |
| 122 | $this->mapname = $value; |
| 123 | |
| 124 | break; |
| 125 | |
| 126 | case 'maxclients': |
| 127 | $this->maxplayers = (int) $value; |
| 128 | |
| 129 | break; |
| 130 | |
| 131 | case 'version': |
| 132 | $this->gameversion = $value; |
| 133 | |
| 134 | break; |
| 135 | |
| 136 | case 'gamename': |
| 137 | $this->gamename = $value; |
| 138 | |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | $rules[$key] = $value; |
| 143 | } |
| 144 | |
| 145 | $this->rules = $rules; |
| 146 | $this->gametype = $rules['gametype'] ?? ''; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Parse player lines. |
| 151 | * |
| 152 | * @param array<mixed> $playerLines |
| 153 | */ |
| 154 | private function parsePlayers(array $playerLines): void |
| 155 | { |
| 156 | $players = []; |
| 157 | |
| 158 | foreach ($playerLines as $line) { |
| 159 | if (!is_string($line)) { |
| 160 | continue; |
| 161 | } |
| 162 | $line = trim($line); |
| 163 | |
| 164 | if ($line === '') { |
| 165 | continue; |
| 166 | } |
| 167 | |
| 168 | if ($line === '0') { |
| 169 | continue; |
| 170 | } |
| 171 | |
| 172 | // Quake2 player format: score ping "name" |
| 173 | // Example: 5 50 "PlayerName" |
| 174 | if (preg_match('/^\s*(\d+)\s+(\d+)\s+"([^"]*)"/', $line, $matches) === 1) { |
| 175 | $players[] = [ |
| 176 | 'score' => (int) $matches[1], |
| 177 | 'ping' => (int) $matches[2], |
| 178 | 'name' => $matches[3], |
| 179 | ]; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | $this->numplayers = count($players); |
| 184 | $this->playerkeys = ['name' => true, 'score' => true, 'ping' => true]; |
| 185 | $this->players = $players; |
| 186 | } |
| 187 | } |