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<?php |
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/** |
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* This file is part of GameQ. |
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* |
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* GameQ is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* GameQ is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace GameQ\Protocols; |
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use GameQ\Protocol; |
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use GameQ\Buffer; |
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use GameQ\Result; |
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use GameQ\Exception\Protocol as Exception; |
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/** |
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* Doom3 Protocol Class |
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* |
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* Handles processing DOOM 3 servers |
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* |
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* @package GameQ\Protocols |
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* @author Wilson Jesus <> |
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*/ |
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class Doom3 extends Protocol |
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{ |
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/** |
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* Array of packets we want to look up. |
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* Each key should correspond to a defined method in this or a parent class |
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* |
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* @type array |
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*/ |
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protected $packets = [ |
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self::PACKET_ALL => "\xFF\xFFgetInfo\x00PiNGPoNG\x00", |
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]; |
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/** |
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* Use the response flag to figure out what method to run |
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* |
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* @type array |
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*/ |
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protected $responses = [ |
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"\xFF\xFFinfoResponse" => 'processStatus', |
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]; |
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/** |
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* The query protocol used to make the call |
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* |
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* @type string |
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*/ |
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protected $protocol = 'doom3'; |
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/** |
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* String name of this protocol class |
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* |
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* @type string |
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*/ |
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protected $name = 'doom3'; |
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/** |
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* Longer string name of this protocol class |
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* |
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* @type string |
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*/ |
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protected $name_long = "Doom 3"; |
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/** |
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* The client join link |
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* |
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* @type string |
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*/ |
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protected $join_link = null; |
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/** |
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* Normalize settings for this protocol |
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* |
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* @type array |
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*/ |
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protected $normalize = [ |
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// General |
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'general' => [ |
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// target => source |
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'hostname' => 'si_name', |
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'gametype' => 'gamename', |
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'mapname' => 'si_map', |
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'maxplayers' => 'si_maxPlayers', |
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'numplayers' => 'clients', |
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'password' => 'si_usepass', |
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], |
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// Individual |
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'player' => [ |
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'name' => 'name', |
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'ping' => 'ping', |
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], |
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]; |
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/** |
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* Handle response from the server |
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* |
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* @return mixed |
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* @throws Exception |
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*/ |
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public function processResponse() |
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{ |
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// Make a buffer |
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$buffer = new Buffer(implode('', $this->packets_response)); |
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// Grab the header |
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$header = $buffer->readString(); |
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// Header |
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// Figure out which packet response this is |
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if (empty($header) || !array_key_exists($header, $this->responses)) { |
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throw new Exception(__METHOD__ . " response type '" . bin2hex($header) . "' is not valid"); |
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} |
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return call_user_func_array([$this, $this->responses[$header]], [$buffer]); |
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} |
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/** |
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* Process the status response |
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* |
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* @param Buffer $buffer |
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* |
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* @return array |
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*/ |
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protected function processStatus(Buffer $buffer) |
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{ |
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// We need to split the data and offload |
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$results = $this->processServerInfo($buffer); |
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$results = array_merge_recursive( |
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$results, |
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$this->processPlayers($buffer) |
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); |
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unset($buffer); |
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// Return results |
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return $results; |
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} |
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/** |
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* Handle processing the server information |
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* |
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* @param Buffer $buffer |
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* |
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* @return array |
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*/ |
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protected function processServerInfo(Buffer $buffer) |
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{ |
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// Set the result to a new result instance |
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$result = new Result(); |
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$result->add('version', $buffer->readInt8() . '.' . $buffer->readInt8()); |
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// Key / value pairs, delimited by an empty pair |
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while ($buffer->getLength()) { |
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$key = trim($buffer->readString()); |
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$val = utf8_encode(trim($buffer->readString())); |
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// Something is empty so we are done |
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if (empty($key) && empty($val)) { |
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break; |
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} |
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$result->add($key, $val); |
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} |
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unset($buffer); |
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return $result->fetch(); |
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} |
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/** |
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* Handle processing of player data |
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* |
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* @param Buffer $buffer |
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* |
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* @return array |
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*/ |
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protected function processPlayers(Buffer $buffer) |
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{ |
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// Some games do not have a number of current players |
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$playerCount = 0; |
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// Set the result to a new result instance |
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$result = new Result(); |
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// Parse players |
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// Loop thru the buffer until we run out of data |
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while (($id = $buffer->readInt8()) != 32) { |
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// Add player info results |
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$result->addPlayer('id', $id); |
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$result->addPlayer('ping', $buffer->readInt16()); |
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$result->addPlayer('rate', $buffer->readInt32()); |
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// Add player name, encoded |
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$result->addPlayer('name', utf8_encode(trim($buffer->readString()))); |
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// Increment |
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$playerCount++; |
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} |
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// Add the number of players to the result |
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$result->add('clients', $playerCount); |
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// Clear |
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unset($buffer, $playerCount); |
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return $result->fetch(); |
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} |
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} |
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