CMC Gameparser

games.php

<?php

$list_count = 3;

$debug = false;
if($debug) {
    header('Content-Type: text/plain; charset=utf-8');
} else {
    header('Content-Type: text/css; charset=utf-8');
}

if(!$debug) {
    if(filemtime('cache.css') > time() - 60) {
        echo file_get_contents('cache.css');
        exit();
    }

    if(file_exists('cache.css.lock')) {
        if(filemtime('cache.css.lock') < time() - 5) {
            unlink('cache.css.lock');
        } else {
            sleep(1);
        }
        if(!file_exists('cache.css.lock')) {
            echo file_get_contents('cache.css');
        }
        exit();
    }
}

file_put_contents('cache.css.lock', true);

require('ParseINI.php');
require('C4Network.php');

//get references
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'league.clonkspot.org');
curl_setopt($curl, CURLOPT_USERAGENT, 'CMCPublicGameparser/1.0');
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 5);
$raw = curl_exec($curl);
curl_close($curl);

//check for faults
if($raw === false) {
    $result = '/* No connection to league.clonkspot.org at ' . date('d-m-Y H:i:s') . ' */';
    file_put_contents('cache.css', $result);
    echo $result;
    unlink('cache.css.lock');
    exit();
}

//parse references
$lines = explode("\n", $raw);
$header = true;
$reference = 0;
$references = array();
foreach($lines as $line) {
    $line = trim($line);
    if(empty($line))
        continue;
    if($line == '[Reference]') {
        if($header) {
            $header = false;
        } else {
            $reference++;
        }
        $references[$reference] = "";
    }
    if($header)
        continue;
    $references[$reference] .= $line . PHP_EOL;
}

$scenarios = new SimpleXMLElement(file_get_contents('scenarios/scenarios.xml'));
$parsed_references = array();
$global_playercount = 0;
foreach($references as $reference) {
    //prefiltering
    $resource_list = ParseINI::parseValuesByCategory('Filename', 'Resource', $reference);
    $own = false;
    foreach($resource_list as $resource) {
        if($resource == 'ModernCombat.c4d') {
            $own = true;
            break;
        }
    }

    if(!$own)
        continue;

    $valid = false;

    //validate other data
    $parsed_reference = array();
    $filename = ParseINI::parseValue('Filename', $reference);
    $parsed_reference['filename'] = str_replace('\\', '/', $filename);
    $parsed_reference['filesize'] = ParseINI::parseValue('FileSize', $reference);
    $parsed_reference['filecrc'] = ParseINI::parseValue('FileCRC', $reference);
    $parsed_reference['contentscrc'] = ParseINI::parseValue('ContentsCRC', $reference);

    foreach($scenarios as $scenario) {
        if($parsed_reference['filename'] != $scenario->filename)
            continue;
        if($parsed_reference['filesize'] != $scenario->filesize)
            continue;
        if($parsed_reference['filecrc'] != $scenario->filecrc)
            continue;
        if($parsed_reference['contentscrc'] != $scenario->contentscrc)
            continue;
        $parsed_reference['image'] = $scenario->image;
        $parsed_reference['title'] = $scenario->title;
        $valid = true;
        break;
    }


    //known scenario?
    if(!$valid)
        continue;

    //get details
    $time = ParseINI::parseValue('Time', $reference);
    $starttime = ParseINI::parseValue('StartTime', $reference);
    $state = ParseINI::parseValue('State', $reference);
    $state_string = '';
    switch($state) {
        case 'Lobby':
            $state_string = 'In der Lobby';
            if($time) {
                $state_string .= ' (seit ' . gmdate('G:i:s', (time() + 88) - $starttime) . ')';
            }
            $parsed_reference['priority'] = 3;
            break;
        case 'Running':
            $state_string = 'Im Spiel';
            if($time)
                $state_string .= ' (seit ' . gmdate('G:i:s', $time) . ')';
            $parsed_reference['priority'] = 2;
            break;
        case 'Paused':
            $state_string = 'Pausiert';
            if($time) {
                $state_string .= ' (im Spiel seit ' . gmdate('G:i:s', $time) . ')';
            }
            $parsed_reference['priority'] = 2;
            break;
        default:
            $state_string = 'Unbekannt';
            $parsed_reference['priority'] = 1;
            break;
    }
    $parsed_reference['state'] = $state_string;
    $client_names = ParseINI::parseValuesByCategory('Name', 'Client', $reference);
    $parsed_reference['host'] = $client_names[0];

    //filter out download server
    if($parsed_reference['host'] == "Download Server (Vanes)")
        continue;

    $player_list = ParseINI::parseValuesByCategory('Name', 'Player', $reference);
    $players = '';
    $playercount = 0;
    foreach($player_list as $player) {
        $playercount++;
        if(!empty($players))
            $players .= ', ';
        $players .= trim(C4Network::cleanString($player));
    }

    //empty servers are boring
    if(!$playercount)
        continue;

    $global_playercount += $playercount;
    $parsed_reference['playercount'] = $playercount;
    $parsed_reference['players'] = $players;
    $parsed_reference['password'] = ParseINI::parseValue('PasswordNeeded', $reference) ? true : false;

    //Add the reference
    $parsed_references[] = $parsed_reference;
}

//sort
$order = array();
foreach($parsed_references as $key => $row) {
    $order[$key] = $row['priority'];
}
array_multisort($parsed_references, $order);

if($debug) {
    print_r($parsed_references);
    print_r($references);
} else {
    $result = '';

    //hide placeholders
    $result .= '#cmc-dynamic-game-no-connection {' . PHP_EOL;
    $result .= '  display: none;' . PHP_EOL;
    $result .= '}' . PHP_EOL . PHP_EOL;


    $result .= '.cmc-dynamic-game {' . PHP_EOL;
    $result .= '  height: 180px;' . PHP_EOL;
    $result .= '}' . PHP_EOL . PHP_EOL;


    $result .= '.cmc-dynamic-game-image {' . PHP_EOL;
    $result .= '  display: block;' . PHP_EOL;
    $result .= '  float: left;' . PHP_EOL;
    $result .= '  background-color: black;' . PHP_EOL;
    $result .= '  border: solid 1px white;' . PHP_EOL;
    $result .= '  width: 200px;' . PHP_EOL;
    $result .= '  height: 150px;' . PHP_EOL;
    $result .= '  margin-right: 10px;' . PHP_EOL;
    $result .= '  background-size: 200px 150px;' . PHP_EOL;
    $result .= '}' . PHP_EOL . PHP_EOL;

    //data
    $games = 0;
    for($i = 1; $i <= $list_count; $i++) {
        if($i > 1)
            $result .= PHP_EOL . PHP_EOL;
        if(isset($parsed_references[$i - 1])) {
            $reference = $parsed_references[$i - 1];
            $result .= '#cmc-dynamic-game' . $i . '-image {' . PHP_EOL;
            $result .= '  background-image: url(\'http://clonk.beheh.de/cmc/scenarios/' . $reference['image'] . '\');' . PHP_EOL;
            $result .= '}' . PHP_EOL . PHP_EOL;
            $result .= '#cmc-dynamic-game' . $i . '-title:after {' . PHP_EOL;
            $result .= '  content: \'' . C4Network::cleanString($reference['title']) . '\';' . PHP_EOL;
            $result .= '}' . PHP_EOL . PHP_EOL;
            $result .= '#cmc-dynamic-game' . $i . '-host:after {' . PHP_EOL;
            $result .= '  content: \'auf ' . C4Network::cleanString($reference['host']) . '\';' . PHP_EOL;
            $result .= '}' . PHP_EOL . PHP_EOL;
            $result .= '#cmc-dynamic-game' . $i . '-status:after {' . PHP_EOL;
            $result .= '  content: \'' . $reference['state'] . '\';' . PHP_EOL;
            $result .= '}' . PHP_EOL . PHP_EOL;
            $result .= '#cmc-dynamic-game' . $i . '-playercount:after {' . PHP_EOL;
            $result .= '  content: \'' . $reference['playercount'] . '\';' . PHP_EOL;
            $result .= '}' . PHP_EOL . PHP_EOL;
            $result .= '#cmc-dynamic-game' . $i . '-players:after {' . PHP_EOL;
            $result .= '  content: \'' . $reference['players'] . '\';' . PHP_EOL;
            $result .= '}';
            ;
            $games++;
        } else {
            $result .= '#cmc-dynamic-game' . $i . ' {' . PHP_EOL;
            $result .= '  display: none;' . PHP_EOL;
            $result .= '}';
        }
    }
    $result .= PHP_EOL . PHP_EOL;
    $result .= '#cmc-dynamic-game-status:after {' . PHP_EOL;
    $result .= '  content: \'';
    switch($games) {
        case 0:
            $result .= 'Keine Runden verfügbar. Hoste jetzt ein Spiel, um hier zu erscheinen.';
            break;
        case 1:
            $result .= 'Folgende Runde ist jetzt verfügbar:';
            break;
        default:
            $result .= 'Aktuell sind folgende Runden verfügbar (insgesamt ' . $global_playercount . ' Spieler):';
            break;
    }
    $result .= '\';' . PHP_EOL;
    $result .= '}';
    $result .= PHP_EOL . PHP_EOL;
    $result .= '/* Cached ' . date('Y-m-d H:i:s', filemtime('cache.css')) . ' */';
    file_put_contents('cache.css', $result);
    echo $result;
}
unlink('cache.css.lock');