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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 is_array; |
| 16 | use function ord; |
| 17 | use function strlen; |
| 18 | use function strpos; |
| 19 | use function substr; |
| 20 | use function unpack; |
| 21 | use Clansuite\Capture\Protocol\ProtocolInterface; |
| 22 | use Exception; |
| 23 | use Override; |
| 24 | |
| 25 | /** |
| 26 | * Tribes 2 protocol implementation. |
| 27 | * |
| 28 | * Tribes 2 uses the Torque Game Engine protocol. |
| 29 | */ |
| 30 | class Tribes2 extends Torque implements ProtocolInterface |
| 31 | { |
| 32 | /** |
| 33 | * Protocol name. |
| 34 | */ |
| 35 | public string $name = 'Tribes 2'; |
| 36 | |
| 37 | /** |
| 38 | * List of supported games. |
| 39 | * |
| 40 | * @var array<string> |
| 41 | */ |
| 42 | public array $supportedGames = ['Tribes 2']; |
| 43 | |
| 44 | /** |
| 45 | * Protocol identifier. |
| 46 | */ |
| 47 | public string $protocol = 'Tribes2'; |
| 48 | |
| 49 | /** |
| 50 | * Game series. |
| 51 | * |
| 52 | * @var array<string> |
| 53 | */ |
| 54 | public array $game_series_list = ['Tribes']; |
| 55 | |
| 56 | /** |
| 57 | * Returns a native join URI for Tribes 2 or false if not available. |
| 58 | */ |
| 59 | #[Override] |
| 60 | public function getNativeJoinURI(): string |
| 61 | { |
| 62 | // Tribes 2 uses tribes2:// protocol for joining servers |
| 63 | return 'tribes2://' . ($this->address ?? '') . ':' . ($this->hostport ?? 0); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Query the Tribes 2 server. |
| 68 | * |
| 69 | * Tribes 2 uses a different packet format than the general Torque protocol. |
| 70 | * Based on LGSL protocol 25 implementation. |
| 71 | */ |
| 72 | #[Override] |
| 73 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 74 | { |
| 75 | if ($this->online) { |
| 76 | $this->reset(); |
| 77 | } |
| 78 | |
| 79 | $address = $this->address ?? ''; |
| 80 | $port = $this->queryport ?? 0; |
| 81 | |
| 82 | // Tribes 2 uses a simple packet format: \x12\x02\x21\x21\x21\x21 |
| 83 | $packet = "\x12\x02\x21\x21\x21\x21"; |
| 84 | |
| 85 | if (($response = $this->sendCommand($address, $port, $packet)) === '' || ($response = $this->sendCommand($address, $port, $packet)) === '0' || ($response = $this->sendCommand($address, $port, $packet)) === false) { |
| 86 | $this->errstr = 'No response from server'; |
| 87 | |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | // Remove the 6-byte header from response |
| 92 | $buffer = substr($response, 6); |
| 93 | |
| 94 | if ($buffer === '' || $buffer === '0') { |
| 95 | $this->errstr = 'Invalid response from server'; |
| 96 | |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | // Parse the response using LGSL-style parsing |
| 101 | return $this->parseTribes2Response($buffer); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Parse Tribes 2 server response. |
| 106 | * |
| 107 | * Based on LGSL protocol 25 parsing. |
| 108 | */ |
| 109 | private function parseTribes2Response(string $buffer): bool |
| 110 | { |
| 111 | try { |
| 112 | // Game name |
| 113 | $this->gamename = $this->cutPascalString($buffer); |
| 114 | |
| 115 | // Game mode |
| 116 | $gamemode = $this->cutPascalString($buffer); |
| 117 | $this->gametype = $gamemode; |
| 118 | |
| 119 | // Map name |
| 120 | $this->mapname = $this->cutPascalString($buffer); |
| 121 | |
| 122 | // Bit flags |
| 123 | $bitFlags = ord($this->cutByte($buffer, 1)); |
| 124 | |
| 125 | // Player counts |
| 126 | $this->numplayers = ord($this->cutByte($buffer, 1)); |
| 127 | $this->maxplayers = ord($this->cutByte($buffer, 1)); |
| 128 | |
| 129 | // Bots |
| 130 | $bots = ord($this->cutByte($buffer, 1)); |
| 131 | |
| 132 | // CPU speed |
| 133 | $cpuUnpacked = unpack('S', $this->cutByte($buffer, 2)); |
| 134 | $cpu = is_array($cpuUnpacked) && isset($cpuUnpacked[1]) ? $cpuUnpacked[1] : 0; |
| 135 | |
| 136 | // MOTD |
| 137 | $motd = $this->cutPascalString($buffer); |
| 138 | |
| 139 | // Unknown field |
| 140 | $unknownUnpacked = unpack('S', $this->cutByte($buffer, 2)); |
| 141 | $unknown = is_array($unknownUnpacked) && isset($unknownUnpacked[1]) ? $unknownUnpacked[1] : 0; |
| 142 | |
| 143 | // Parse bit flags |
| 144 | $this->rules['dedicated'] = (($bitFlags & 1) !== 0) ? '1' : '0'; |
| 145 | $this->password = (($bitFlags & 2) !== 0) ? 1 : 0; |
| 146 | $this->rules['os'] = (($bitFlags & 4) !== 0) ? 'L' : 'W'; |
| 147 | $this->rules['tournament'] = (($bitFlags & 8) !== 0) ? '1' : '0'; |
| 148 | $this->rules['no_alias'] = (($bitFlags & 16) !== 0) ? '1' : '0'; |
| 149 | |
| 150 | // Additional rules |
| 151 | $this->rules['bots'] = $bots; |
| 152 | $this->rules['cpu'] = $cpu; |
| 153 | $this->rules['motd'] = $motd; |
| 154 | |
| 155 | // Skip team data for now (marked by \x0A) |
| 156 | $teamData = $this->cutString($buffer, "\x0A"); |
| 157 | // TODO: Parse team data if needed |
| 158 | |
| 159 | // Player data |
| 160 | $playerCount = (int) $this->cutString($buffer, "\x0A"); |
| 161 | |
| 162 | for ($i = 0; $i < $playerCount; $i++) { |
| 163 | // Skip some unknown bytes |
| 164 | $this->cutByte($buffer, 1); // ? 16 |
| 165 | $this->cutByte($buffer, 1); // ? 8 or 14 = BOT / 12 = ALIAS / 11 = NORMAL |
| 166 | |
| 167 | if (ord($buffer[0]) < 32) { |
| 168 | $this->cutByte($buffer, 1); // ? 8 PREFIXES SOME NAMES |
| 169 | } |
| 170 | |
| 171 | $playerName = $this->cutString($buffer, "\x11"); |
| 172 | $this->cutString($buffer, "\x09"); // ALWAYS BLANK |
| 173 | $team = $this->cutString($buffer, "\x09"); |
| 174 | $score = $this->cutString($buffer, "\x0A"); |
| 175 | |
| 176 | $this->players[$i] = [ |
| 177 | 'name' => $playerName, |
| 178 | 'team' => $team, |
| 179 | 'score' => (int) $score, |
| 180 | ]; |
| 181 | } |
| 182 | |
| 183 | $this->online = true; |
| 184 | |
| 185 | return true; |
| 186 | } catch (Exception $e) { |
| 187 | $this->errstr = 'Failed to parse server response: ' . $e->getMessage(); |
| 188 | |
| 189 | return false; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Cut a pascal string (length prefixed). |
| 195 | */ |
| 196 | private function cutPascalString(string &$buffer): string |
| 197 | { |
| 198 | $length = ord($this->cutByte($buffer, 1)); |
| 199 | |
| 200 | return $this->cutByte($buffer, $length); |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Cut a byte string. |
| 205 | */ |
| 206 | private function cutByte(string &$buffer, int $length): string |
| 207 | { |
| 208 | $result = substr($buffer, 0, $length); |
| 209 | $buffer = substr($buffer, $length); |
| 210 | |
| 211 | return $result; |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Cut string until delimiter. |
| 216 | */ |
| 217 | private function cutString(string &$buffer, string $delimiter): string |
| 218 | { |
| 219 | $pos = strpos($buffer, $delimiter); |
| 220 | |
| 221 | if ($pos === false) { |
| 222 | $result = $buffer; |
| 223 | $buffer = ''; |
| 224 | |
| 225 | return $result; |
| 226 | } |
| 227 | |
| 228 | $result = substr($buffer, 0, $pos); |
| 229 | $buffer = substr($buffer, $pos + strlen($delimiter)); |
| 230 | |
| 231 | return $result; |
| 232 | } |
| 233 | } |