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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\Buffer; |
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use GameQ\Exception\Protocol as Exception; |
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use GameQ\Protocol; |
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use GameQ\Result; |
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/** |
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* Enemy Territory Quake Wars Protocol Class |
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* |
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* @author Austin Bischoff <[email protected]> |
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*/ |
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class Etqw 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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* @var array |
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*/ |
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protected $packets = [ |
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self::PACKET_STATUS => "\xFF\xFFgetInfoEx\x00\x00\x00\x00", |
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//self::PACKET_STATUS => "\xFF\xFFgetInfo\x00\x00\x00\x00\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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* @var array |
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*/ |
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protected $responses = [ |
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"\xFF\xFFinfoExResponse" => "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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* @var string |
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*/ |
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protected $protocol = 'etqw'; |
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/** |
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* String name of this protocol class |
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* |
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* @var string |
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*/ |
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protected $name = 'etqw'; |
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/** |
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* Longer string name of this protocol class |
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* |
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* @var string |
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*/ |
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protected $name_long = "Enemy Territory Quake Wars"; |
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/** |
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* Normalize settings for this protocol |
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* |
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* @var 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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'gametype' => 'campaign', |
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'hostname' => 'name', |
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'mapname' => 'map', |
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'maxplayers' => 'maxPlayers', |
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'mod' => 'gamename', |
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'numplayers' => 'numplayers', |
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'password' => 'privateClients', |
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], |
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// Individual |
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'player' => [ |
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'name' => 'name', |
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'score' => 'score', |
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'time' => 'time', |
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], |
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]; |
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/** |
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* Process the response |
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* |
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* @return array |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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public function processResponse() |
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{ |
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// In case it comes back as multiple packets (it shouldn't) |
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$buffer = new Buffer(implode('', $this->packets_response)); |
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// Figure out what packet response this is for |
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$response_type = $buffer->readString(); |
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// Figure out which packet response this is |
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if (!array_key_exists($response_type, $this->responses)) { |
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throw new Exception(__METHOD__ . " response type '{$response_type}' is not valid"); |
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} |
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// Offload the call |
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$results = call_user_func_array([$this, $this->responses[$response_type]], [$buffer]); |
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return $results; |
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} |
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// Internal methods |
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/** |
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* Handle processing 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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* @throws \GameQ\Exception\Protocol |
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*/ |
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protected function processStatus(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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// Defaults |
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$result->add('dedicated', 1); |
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// Now burn the challenge, version and size |
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$buffer->skip(16); |
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// Key / value pairs |
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while ($buffer->getLength()) { |
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$var = str_replace('si_', '', $buffer->readString()); |
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$val = $buffer->readString(); |
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if (empty($var) && empty($val)) { |
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break; |
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} |
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// Add the server prop |
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$result->add($var, $val); |
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} |
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// Now let's do the basic player info |
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$this->parsePlayers($buffer, $result); |
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// Now grab the rest of the server info |
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$result->add('osmask', $buffer->readInt32()); |
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$result->add('ranked', $buffer->readInt8()); |
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$result->add('timeleft', $buffer->readInt32()); |
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$result->add('gamestate', $buffer->readInt8()); |
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$result->add('servertype', $buffer->readInt8()); |
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// 0: regular server |
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if ($result->get('servertype') == 0) { |
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$result->add('interested_clients', $buffer->readInt8()); |
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} else { |
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// 1: tv server |
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$result->add('connected_clients', $buffer->readInt32()); |
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$result->add('max_clients', $buffer->readInt32()); |
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} |
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// Now let's parse the extended player info |
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$this->parsePlayersExtra($buffer, $result); |
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unset($buffer); |
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return $result->fetch(); |
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} |
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/** |
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* Parse players out of the status ex response |
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* |
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* @param Buffer $buffer |
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* @param Result $result |
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* @return void |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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protected function parsePlayers(Buffer &$buffer, Result &$result) |
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{ |
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// By default there are 0 players |
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$players = 0; |
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// Iterate over the players until we run out |
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while (($id = $buffer->readInt8()) != 32) { |
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$result->addPlayer('id', $id); |
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$result->addPlayer('ping', $buffer->readInt16()); |
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$result->addPlayer('name', $buffer->readString()); |
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$result->addPlayer('clantag_pos', $buffer->readInt8()); |
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$result->addPlayer('clantag', $buffer->readString()); |
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$result->addPlayer('bot', $buffer->readInt8()); |
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$players++; |
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} |
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// Let's add in the current players as a result |
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$result->add('numplayers', $players); |
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// Free some memory |
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unset($id); |
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} |
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/** |
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* Handle parsing extra player data |
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* |
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* @param Buffer $buffer |
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* @param Result $result |
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* @return void |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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protected function parsePlayersExtra(Buffer &$buffer, Result &$result) |
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{ |
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// Iterate over the extra player info |
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while (($id = $buffer->readInt8()) != 32) { |
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$result->addPlayer('total_xp', $buffer->readFloat32()); |
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$result->addPlayer('teamname', $buffer->readString()); |
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$result->addPlayer('total_kills', $buffer->readInt32()); |
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$result->addPlayer('total_deaths', $buffer->readInt32()); |
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} |
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// @todo: Add team stuff |
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// Free some memory |
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unset($id); |
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} |
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} |
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