2015-11-25 22:24:41 +01:00
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<?php
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2015-11-26 19:38:09 +01:00
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function get_arenas_list(){
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2015-11-25 22:24:41 +01:00
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include (__DIR__."/arenas_lists.php");
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return $arenas;
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2015-11-26 19:38:09 +01:00
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}
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2015-11-30 22:30:51 +01:00
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function get_Bots_Array($arena,$activeOnly=true){
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2015-11-30 22:28:20 +01:00
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global $lnMysql;
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//$bots[]=array("name" => $name, "url" =>$url);
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if($activeOnly){
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$addClause=" AND active='1'";
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}else{
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$addClause="";
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}
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$rs=mysqli_query($lnMysql,
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"SELECT id,name,url,description FROM bots WHERE game='".mysqli_real_escape_string($lnMysql,$arena)."'".$addClause);
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$bots=array();
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while($r=mysqli_fetch_row($rs)){
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$bots[]=array(
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'id' => $r[0],
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'name'=> $r[1],
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'url' => $r[2],
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'description' => $r[3]
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2015-11-30 22:31:21 +01:00
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);
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2015-11-30 22:28:20 +01:00
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}
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return $bots;
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}
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2015-11-27 17:18:12 +01:00
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function rand_str($length = 32, $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890'){
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$chars_length = (strlen($chars) - 1);
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$string = $chars{rand(0, $chars_length)};
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for ($i = 1; $i < $length; $i = strlen($string)){
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$r = $chars{rand(0, $chars_length)};
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if ($r != $string{$i - 1}) $string .= $r;
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}
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return $string;
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}
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2015-11-30 22:28:20 +01:00
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2015-11-27 17:18:12 +01:00
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function xd_check_input($id=1){
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/*
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*On génére un hash aléatoire qui sera
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*ajouté aux formulaires, afin d'ajouter
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*une vérification supplémentaire
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*lors du traitement de ce dernier
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*/
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/*
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* le parametre $id permet de selectionner le type de retour
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* 0=> un input type hidden sans id
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* 1=> un input type hidden avec id
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* 2=> juste la valeur
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*/
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if(!isset($_SESSION['xd_check'])){
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//le générer
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$_SESSION['xd_check']=rand_str(25);
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}
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switch($id){
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case 0:
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return "<input type=\"hidden\" name=\"xd_check\" value=\"".$_SESSION['xd_check']."\"/>";
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break;
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case 1:
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return "<input type=\"hidden\" name=\"xd_check\" id=\"xd_check\" value=\"".$_SESSION['xd_check']."\"/>";
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break;
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case 2:
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return $_SESSION['xd_check'];
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break;
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default:
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return "<input type=\"hidden\" name=\"xd_check\" id=\"xd_check\" value=\"".$_SESSION['xd_check']."\"/>";
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break;
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}
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}
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2015-11-26 19:38:09 +01:00
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function get_language_array(){
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/*
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* Choisir la langue de l'utilisateur
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* en priorisant parametre GET, cookie, info du navigateur
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* Retourner l'array contenant les bonnes traductions
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*/
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$langsAvailable=array('fr','en');
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$language="";
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2015-11-28 18:27:41 +01:00
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if( isset($_GET['lang']) ){
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$language = $_GET['lang'];
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2015-11-26 19:38:09 +01:00
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setcookie( 'lang', $language, time() + 60*60*24*30 );
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}elseif( isset($_COOKIE['lang']) ){
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$language=$_COOKIE['lang'];
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}else{
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if(in_array(substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2),$langsAvailable)){
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$language=substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
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}
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}
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if(!in_array($language,$langsAvailable)){
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$language="en";
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}
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include (__DIR__."/../lang/".$language.".php");
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return $lang;
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2015-11-27 22:25:57 +01:00
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}
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function error($code,$message){
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2015-11-27 22:27:02 +01:00
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switch($code){
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2015-11-27 22:25:57 +01:00
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case 404:
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header("HTTP/1.0 404 Not Found");
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2016-06-04 23:45:32 +02:00
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echo '<!DOCTYPE html><html lang="fr"><head><meta charset="UTF-8" /><title>Page Not found</title></head><body><p>'.$message.'</p>
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<pre>
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_ _ ___ _ _
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| || | / _ \| || |
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| || |_| | | | || |_
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|__ _| | | |__ _|
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| | | |_| | | |
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|_| \___/ |_|
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</pre><p><a href="/">Go to home page</a></p></body></html>';
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2015-11-27 22:25:57 +01:00
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die;
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2015-11-28 14:54:07 +01:00
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case 400:
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header ("HTTP/1.0 400 Bad Request");
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echo '<!DOCTYPE html><html lang="fr"><head><meta charset="UTF-8" /><title>Bad request</title></head><body><p>'.$message.'</p></body></html>';
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die;
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2015-11-28 15:10:35 +01:00
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case 500:
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header ("HTTP/1.0 500 Internal Server Error");
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2015-11-29 00:11:21 +01:00
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echo '<!DOCTYPE html><html lang="fr"><head><meta charset="UTF-8" /><title>Internal Server Error</title></head><body><p>'.$message.'</p></body></html>';
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2015-11-28 15:10:35 +01:00
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die;
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2015-11-27 22:25:57 +01:00
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default:
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2015-11-28 14:54:07 +01:00
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2015-11-27 22:25:57 +01:00
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die;
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break;
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}
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2015-11-29 00:03:07 +01:00
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}
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function conn_bdd(){
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require (__DIR__."/config.php");
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if (!$linkMysql=mysqli_connect($mysqlParams['host'], $mysqlParams['user'], $mysqlParams['pass'])) {
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error(500,'database connexion failed');
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die;
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}
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2015-11-29 08:19:06 +01:00
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mysqli_select_db($linkMysql,$mysqlParams['database']);
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2015-11-29 00:03:07 +01:00
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mysqli_set_charset($linkMysql, 'utf8');
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return $linkMysql; //does PHP can do that?
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}
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2015-11-29 09:42:34 +01:00
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function get_battles_history($game){
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2015-11-30 00:16:01 +01:00
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global $lnMysql;
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2015-11-29 11:25:47 +01:00
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$game=substr($game,0,8); //limit 8 char for limitting mysql index size
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2015-11-30 00:16:01 +01:00
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2015-11-29 09:42:34 +01:00
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$rs=mysqli_query($lnMysql,
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" SELECT
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player1.name,
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player2.name,
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arena_history.player1_winsCount,
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arena_history.player2_winsCount,
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arena_history.nulCount
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FROM
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bots as player1,
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bots as player2,
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arena_history
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WHERE
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player1.id=arena_history.player1_id
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AND player2.id=arena_history.player2_id
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AND arena_history.game='".mysqli_real_escape_string($lnMysql,$game)."';"
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);
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$results=array();
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while($r=mysqli_fetch_row($rs)){
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$results[]= array(
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'bot1' => $r[0],
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'bot2' => $r[1],
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'player1Wins' => $r[2],
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'player2Wins' => $r[3],
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'draws' => $r[4]
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);
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}
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return $results;
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}
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2016-06-09 22:44:58 +02:00
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function ELO_get_k($elo){
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if ($elo < 1000){
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return 80;
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}
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if ($elo < 2000){
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return 50;
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}
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if ($elo <= 2400){
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return 30;
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}
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return 20;
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}
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function ELO_get_new_ranks($elo1,$elo2,$score){
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/*
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* return an array containing new ELO scores after a battle
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* $score : 0 player 2 won
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* 0.5 draws
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* 1 player 1 won
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*/
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//good luck for understanding it
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//(see https://blog.antoine-augusti.fr/2012/06/maths-et-code-le-classement-elo/)
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return array(
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2016-06-09 22:50:40 +02:00
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$elo1 + ELO_get_k($elo1) * ($score - (1/ (1 + pow(10,(($elo2 - $elo1) / 400))))),
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2016-06-09 22:53:04 +02:00
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$elo2 + ELO_get_k($elo2) * (1 - $score - (1/ (1 + pow(10,(($elo1 - $elo2) / 400)))))
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2016-06-09 22:44:58 +02:00
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);
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}
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2015-11-29 00:03:07 +01:00
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function save_battle($game,$bot1,$bot2,$resultat){
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//resultat: 0 match nul, 1 bot1 gagne 2 bot 2 gagne
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2015-11-30 00:16:01 +01:00
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global $lnMysql;
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2015-11-29 11:25:47 +01:00
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$game=substr($game,0,8); //limit 8 char for limitting mysql index size
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2015-11-29 00:03:07 +01:00
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2015-11-30 00:16:01 +01:00
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2015-11-29 00:03:07 +01:00
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//chercher les id de bot 1 et bot2
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2016-06-09 22:44:58 +02:00
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$rs=mysqli_query($lnMysql,"SELECT name,id,ELO FROM bots
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2015-11-29 00:03:07 +01:00
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WHERE name='".mysqli_real_escape_string($lnMysql,$bot1)."'
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2015-11-29 08:19:06 +01:00
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OR name='".mysqli_real_escape_string($lnMysql,$bot2)."'");
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2015-11-29 00:03:07 +01:00
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while($r=mysqli_fetch_row($rs)){
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$bots[$r[0]]=$r[1];
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2016-06-09 22:44:58 +02:00
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$actualELO[$r[0]]=$r[2];
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2015-11-29 00:03:07 +01:00
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}
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if((!isset($bots[$bot1])) OR (!isset($bots[$bot2]))){
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error (500,"database corrupt");
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die;
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}
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switch($resultat){
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case 0:
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$field="nulCount";
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2016-06-09 22:44:58 +02:00
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$eloScore = 0.5;
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2015-11-29 00:03:07 +01:00
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break;
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case 1:
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$field="player1_winsCount";
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2016-06-09 22:44:58 +02:00
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$eloScore = 1;
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2015-11-29 00:03:07 +01:00
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break;
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case 2:
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$field="player2_winsCount";
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2016-06-09 22:44:58 +02:00
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$eloScore = 0;
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2015-11-29 00:03:07 +01:00
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break;
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default:
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error (500,"something impossible has happened");
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break;
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}
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2016-06-09 22:44:58 +02:00
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$newRanks = ELO_get_new_ranks($actualELO[$bot1],$actualELO[$bot2],$eloScore);
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2016-06-09 22:50:40 +02:00
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2016-06-09 22:44:58 +02:00
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mysqli_multi_query($lnMysql,
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"
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UPDATE bots
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SET ELO='".$newRanks[0]."'
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WHERE id='".$bots[$bot1]."';
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UPDATE bots
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SET ELO='".$newRanks[1]."'
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WHERE id='".$bots[$bot2]."';
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INSERT INTO arena_history(game,player1_id,player2_id,".$field.") VALUES
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2015-11-29 00:04:13 +01:00
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('".mysqli_real_escape_string($lnMysql,$game)."',
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2015-11-29 00:03:07 +01:00
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'".$bots[$bot1]."',
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'".$bots[$bot2]."',
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'1')
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ON DUPLICATE KEY UPDATE ".$field." = ".$field." + 1;");
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2016-06-09 22:44:58 +02:00
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2015-11-29 08:19:06 +01:00
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}
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2015-12-11 17:22:43 +01:00
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function get_unique_id(){
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2015-12-12 11:16:07 +01:00
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2015-12-12 11:20:33 +01:00
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$fp = fopen(__DIR__.'/../countBattles.txt', 'c+');
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2015-12-11 17:22:43 +01:00
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flock($fp, LOCK_EX);
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2015-12-12 11:20:33 +01:00
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$count = (int)fread($fp, filesize(__DIR__.'/../countBattles.txt'));
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2015-12-11 17:22:43 +01:00
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ftruncate($fp, 0);
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fseek($fp, 0);
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fwrite($fp, $count + 1);
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flock($fp, LOCK_UN);
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fclose($fp);
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return $count;
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}
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2016-05-11 12:23:19 +02:00
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2015-12-27 19:50:21 +01:00
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function does_arena_exist($string,$arenasArr){
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foreach($arenasArr as $arena){
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if($string == $arena['id']){
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return true;
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}
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}
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return false;
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}
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