762 lines
28 KiB
PHP
762 lines
28 KiB
PHP
<?php
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require_once("ressources/relations.inc");
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require_once("ressources/db.inc");
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/* Les prototypes des fonctions :
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* ===============================>
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* checkLogin($user, $passwd);
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* randomCenterNode();
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* randomCloudNode();
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* cgBuildResultSets($cloudSize, $centerEid, $r1, $r2);
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* cgChooseRelations();
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* cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights);
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* cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty);
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* randomGameCore();
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* randomGame();
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* formatWord($word);
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* game2json($user, $gameId);
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* game2array($user, $gameId);
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* createGame($nbParties, $mode);
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* createGameCore($cloudSize);
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* getGame($user, $nbGames, $mode);
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* computeScore($probas, $difficulty, $answer, $userReputation);
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* computeUserReputation($score);
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* normalizeProbas($row);
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* setGame($user, $pgid, $gid, $answers);
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* get_game_relations();
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* getGameRelationsJSON();
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* setGameGetScore($user, $pgid, $gid, $answers);
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* insertNode($node);
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* getNodeEid($node);
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*/
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/** Vérifie la validité du couple nom d'utilisateur / mot de passe.
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* @param user : Le nom d'utilisateur.
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* @param passwd : Le mot de passe.
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* @return boolean : true si OK sinon false.
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*/
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function checkLogin($user, $passwd) {
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$db = getDB();
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$hashPasswd = md5($passwd);
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$loginIsOk = ($hashPasswd == $db->querySingle("SELECT hash_passwd FROM user WHERE login='".$user."';"));
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return $loginIsOk;
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}
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/** Selectionne aléatoirement l'eid d'un mot central.
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* @return eid : Identifiant d'un mot central, NULL en cas d'erreur.
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*/
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function randomCenterNode()
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{
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$db = getDB();
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return $db->querySingle("select eid from random_center_node where rowid = (abs(random()) % (select max(rowid) from random_center_node))+1;");
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}
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/** Selectionne aléatoirement un noeud d'un nuage.
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* @return eid : L'identifiant du noeud.
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*/
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function randomCloudNode()
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{
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$db = getDB();
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return $db->querySingle("select eid from random_cloud_node where rowid = (abs(random()) % (select max(rowid) from random_cloud_node))+1;");
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}
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/**
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* @param cloudSize : Taille du nuage.
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* @param centerEid : Identifiant du mot central.
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* @param r1 Type de la relation 1.
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* @param r2 Type de la relation 2.
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*/
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function cgBuildResultSets($cloudSize, $centerEid, $r1, $r2)
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{
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$db = getDB();
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// 'w' => weight (poids), 'd' => difficulté, 's' => select
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// Le select doit ranvoyer trois colonnes :
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// eid => l'eid du mot à mettre dans le nuage,
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// r1 => la probabilité pour que le mot soit dans r1, entre -1 et 1 (négatif = ne devrait pas y être, positif = devrait y être à coup sûr, 0 = on sait pas).
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$typer1r2 = "type in ($r1, $r2)";
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$banned_types = "4, 12, 36, 18, 29, 45, 46, 47, 48, 1000, 1001";
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$sources = array(
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// Voisins 1 saut du bon type (= relations déjà existantes)
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array('w'=>40, 'd'=>1, 's'=>"select end as eid, type = $r1 as r1, type = $r2 as r2, 0 as r0, 0 as trash from relation where start = $centerEid and $typer1r2 order by random();"),
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// Voisins 1 saut via r_associated (0), donc qu'on voudrait spécifier si possible.
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array('w'=>40, 'd'=>2, 's'=>"select end as eid, 0.25 as r1, 0.25 as r2, 0.5 as r0, 0 as trash from relation where start = $centerEid and type = 0 order by random();"),
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// Voisins 1 saut via les autres relations
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array('w'=>20, 'd'=>3.1, 's'=>"select end as eid, 0.1 as r1, 0.1 as r2, 0.8 as r0, 0 as trash from relation where start = $centerEid and type not in (0, $r1, $r2, $banned_types) order by random();"),
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// Voisins 2 sauts, avec un mix de R1 et R2 pour les liens. Par ex [ A -R1-> B -R2-> C ] ou bien [ A -R2-> B -R2-> C ]
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// Version optimisée de : "select end as eid from relation where $typer1r2 and start in oneHopWithType order by random();"
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array('w'=>30, 'd'=>3.2, 's'=>"select B.end as eid, ((A.type = $r1) + (B.type = $r1)) / 3. as r1, ((A.type = $r2) + (B.type = $r2)) / 3. as r2, 1/6. as r0, 1/6. as trash from relation as A, relation as B where A.start = $centerEid and A.$typer1r2 and B.start = A.end and B.$typer1r2 order by random();"),
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// Voisins 1 saut r1/r2 + 1 saut synonyme
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// Version optimisée de : "select end as eid from relation where start in oneHopWithType and type = 5 order by random()";
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array('w'=>20, 'd'=>5, 's'=>"select B.end as eid, (A.type = $r1) * 0.75 as r1, (A.type = $r2) * 0.75 as r2, 0.25 as r0, 0 as trash from relation as A, relation as B where A.start = $centerEid and A.$typer1r2 and B.start = A.end and B.type = 5 order by random();"),
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// Version optimisée de : "select end as eid from relation where start in (select end from relation where start = $centerEid and type = 5) and $typer1r2 order by random();"
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array('w'=>20, 'd'=>6, 's'=>"select B.end as eid, (B.type = $r1) * 0.75 as r1, (B.type = $r2) * 0.75 as r2, 0.25 as r0, 0 as trash from relation as A, relation as B where A.start = $centerEid and A.type = 5 and B.start = A.end and B.$typer1r2 order by random();"),
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// Voisins 2 sauts (tous)
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// Version optimisée de : "select end as eid, 0.1 as r1, 0.1 as r2, 0.3 as r0, 0.5 as trash from relation where start in (select end from relation where start = $centerEid and type not in ($banned_types)) and type not in ($banned_types) order by random();"
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array('w'=>10, 'd'=>8, 's'=>"select x as eid, 0.1 as r1, 0.1 as r2, 0.3 as r0, 0.5 as trash from (select x from (select X.eid + Y.dumb as x from (select B.end as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.start = A.end limit ".($cloudSize*4).") as X, (select 0 as dumb) as Y)) order by random();"),
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// Centre pointe vers X, M pointe vers X aussi, on prend M.
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// Version optimisée de : "select start as eid from relation where end in (select end from relation where start = $centerEid) and type not in ($banned_types) order by random();"
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// Ce n'est toujours pas ça… : "select eid from (select B.start as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.end = A.end limit 1) order by random();"
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// Tordu, mais ça marche \o/ . En fait il faut empêcher l'optimiseur de ramener le random avant le limit (et l'optimiseur est malin… :)
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array('w'=>10, 'd'=>8, 's'=>"select x as eid, 0.1 as r1, 0.1 as r2, 0.2 as r0, 0.6 as trash from (select x from (select X.eid + Y.dumb as x from (select B.start as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.end = A.end limit ".($cloudSize*4).") as X, (select 0 as dumb) as Y)) order by random();"),
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'rand' => array('w'=>5, 'd'=>10, 's'=>false) // random. Le r1 et r2 de random sont juste en-dessous
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);
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$sumWeights = 0;
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foreach ($sources as $k => $x)
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{
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$sumWeights += $x['w'];
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$sources[$k]['rsPos'] = 0;
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$sources[$k]['rsSize'] = 0;
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if ($x['s'] !== false)
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{
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$sources[$k]['resultSet'] = array();
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$res = $db->query($x['s']);
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$i = 0;
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while ($i < 10 && $sources[$k]['resultSet'][] = $res->fetchArray())
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{
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$i++;
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$sources[$k]['rsSize']++;
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}
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}
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else
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{
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$sources[$k]['resultSet'] = array();
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for ($i = 0; $i < 10; $i++)
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{
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$sources[$k]['resultSet'][] = array('eid'=>randomCloudNode(), 'r1'=>0, 'r2'=>0, 'r0'=>0, 'trash'=>1);
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$sources[$k]['rsSize']++;
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}
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}
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}
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return array($sources, $sumWeights);
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}
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/** Sélectionne aléatoirement deux relations.
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* @return array : Tableau avec la relation 1 et la relation 2.
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*/
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function cgChooseRelations()
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{
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$relations = array(5, 7, 9, 10);// /* Pas d'icônes pour celles-ci. */ 13, 14, 22);
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$r1 = rand(0,count($relations)-1);
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$r2 = rand(0,count($relations)-2);
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if ($r2 >= $r1)
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$r2++;
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$r1 = $relations[$r1];
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$r2 = $relations[$r2];
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return array($r1, $r2);
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}
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/** Génération d'un nuage pour un mot central.
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* @param cloudSize : Taille du nuage.
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* @param sources Les sources.
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* @param sumWeights La somme des poids.
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* @return array : Tableau avec comme premier élément le nuage et comme second élément le total de difficulté.
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*/
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function cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights)
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{
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$db = getDB();
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// On boucle tant qu'il n'y a pas eu au moins 2 sources épuisées
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$cloud = array();
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$nbFailed = 0;
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$i = 0;
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$totalDifficulty = 0;
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while ($i < $cloudSize && $nbFailed < 10*$cloudSize)
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{
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// On choisit une source aléatoire en tennant compte des poids.
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$rands = rand(1,$sumWeights);
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$sumw = 0;
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if (!isset($sources['rand'])) {
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break;
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}
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$src = $sources['rand'];
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$srck = 'rand';
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// Sélection d'une source aléatoire
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foreach ($sources as $k => $x)
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{
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$sumw += $x['w'];
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if ($rands < $sumw)
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{
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$src = $x;
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$srck = $k;
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break;
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}
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}
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// Vérification si on est à la fin du ResultSet de cette source.
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if ($src['rsPos'] >= $src['rsSize'])
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{
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$nbFailed++;
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$sumWeights -= $src['w'];
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unset($sources[$srck]);
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continue;
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}
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// On récupère un résultat de cette source.
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$res = $src['resultSet'][$src['rsPos']];
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$sources[$srck]['rsPos']++;
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// On vérifie si le mot n'a pas déjà été sélectionné.
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$rejected = false;
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// Ne pas mettre le mot central dans le nuage.
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if ($res['eid'] == $centerEid) { continue; }
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$nodeName = $db->querySingle("select name from node where eid=".$res['eid'].";");
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if (substr($nodeName, 0, 2) == "::") { continue; }
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foreach ($cloud as $c) {
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if ($c['eid'] == $res['eid']) {
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$nbFailed++;
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$rejected = true;
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break;
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}
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}
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if ($rejected) { continue; }
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// position dans le nuage, difficulté, eid, probaR1, probaR2
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$totalDifficulty += $src['d'];
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$cloud[$i] = array('pos'=>$i++, 'd'=>$src['d'], 'eid'=>$res['eid'], 'probaR1'=>$res['r1'], 'probaR2'=>$res['r2'], 'probaR0'=>$res['r0'], 'probaTrash'=>$res['trash']);
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}
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$res = $sources['rand']['resultSet'][0];
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while ($i < $cloudSize)
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{
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$totalDifficulty += $sources['rand']['d'];
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$cloud[$i] = array('pos'=>$i++, 'd'=>$sources['rand']['d'], 'eid'=>randomCloudNode(), 'probaR1'=>$res['r1'], 'probaR2'=>$res['r2'], 'probaR0'=>$res['r0'], 'probaTrash'=>$res['trash']);
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}
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return array($cloud, $totalDifficulty);
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}
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/** Insère la partie dans la base de données.
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* @param centerEid : Identifiant du mot central.
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* @param cloud : Le nuage.
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* @param r1 : Le type de la relation 1.
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* @param r2 : Le type de la relation 2.
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* @param totalDifficulty : La difficulté totale.
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*/
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function cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty)
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{
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$db = getDB();
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// Insère dans la base une partie avec le mot central $centerEid, le nuage $cloud et les relations $r1 et $r2
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$db->exec("begin transaction;");
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$db->exec("INSERT INTO game(gid, eid_central_word, relation_1, relation_2, difficulty)
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VALUES (null, $centerEid, $r1, $r2, $totalDifficulty);");
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$gid = $db->lastInsertRowID();
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$t = time();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid1 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid2 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid0 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgidT = $db->lastInsertRowID();
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// TODO : R0 et Trash + corrections
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foreach ($cloud as $c)
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{
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$totalWeight = $c['probaR1'] + $c['probaR2'] + $c['probaR0'] + $c['probaTrash'];
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$db->exec("INSERT INTO game_cloud(gid, num, difficulty, eid_word, totalWeight, probaR1, probaR2, probaR0, probaTrash)
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VALUES ($gid, ".$c['pos'].", ".$c['d'].", ".$c['eid'].", $totalWeight, ".$c['probaR1'].", ".$c['probaR2'].", ".$c['probaR0'].", ".$c['probaTrash'].");");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid1, $gid, 0, ".$c['pos'].", $r1, ".$c['probaR1'].", 0);");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid2, $gid, 0, ".$c['pos'].", $r2, ".$c['probaR2'].", 0);");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid0, $gid, 0, ".$c['pos'].", 0, ".$c['probaR0'].", 0);");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgidT, $gid, 0, ".$c['pos'].", -1, ".$c['probaTrash'].", 0);");
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}
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$db->exec("commit;");
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}
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function decodeAndInsertGame($game) {
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$badWords = Array();
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$centerEid = getNodeEid($game['center']);
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$r1 = $game['relations'][0];
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$r2 = $game['relations'][1];
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if($centerEid === null)
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$badWords[] = $game['center'];
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foreach($game['cloud'] as $key => $w) {
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if ($w['name'] == "") continue;
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$cloudEid = getNodeEid($w['name']);
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$cloud[] = Array("eid" => $cloudEid,
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"pos" => $key,
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"d" => 5,
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"probaR1" => $w['relations'][0] ? "1" : "0",
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"probaR2" => $w['relations'][1] ? "1" : "0",
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"probaR0" => $w['relations'][2] ? "1" : "0",
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"probaTrash" => $w['relations'][3] ? "1" : "0");
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if($cloudEid === null)
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$badWords[] = $w['name'];
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}
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if(count($badWords) > 0) {
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echo JSON_encode($badWords);
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} else if (count($cloud) < 5) {
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echo "false";
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} else {
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insertCreatedGame($centerEid,$cloud,$r1,$r2,10);
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echo "true";
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}
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}
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function insertCreatedGame($centerEid, $cloud, $r1, $r2, $totalDifficulty)
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{
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$db = getDB();
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// Insère dans la base une partie avec le mot central $centerEid, le nuage $cloud et les relations $r1 et $r2
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$db->exec("begin transaction;");
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$db->exec("INSERT INTO game(gid, eid_central_word, relation_1, relation_2, difficulty)
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VALUES (null, $centerEid, $r1, $r2, $totalDifficulty);");
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$gid = $db->lastInsertRowID();
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$t = time();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid1 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid2 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgid0 = $db->lastInsertRowID();
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$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
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VALUES (null, $gid, null, $t);");
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$pgidT = $db->lastInsertRowID();
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// TODO : R0 et Trash + corrections
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foreach ($cloud as $c)
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{
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$totalWeight = $c['probaR1'] + $c['probaR2'] + $c['probaR0'] + $c['probaTrash'];
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$db->exec("INSERT INTO game_cloud(gid, num, difficulty, eid_word, totalWeight, probaR1, probaR2, probaR0, probaTrash)
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VALUES ($gid, ".$c['pos'].", ".$c['d'].", ".$c['eid'].", $totalWeight, ".$c['probaR1'].", ".$c['probaR2'].", ".$c['probaR0'].", ".$c['probaTrash'].");");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid1, $gid, 0, ".$c['pos'].", $r1, ".$c['probaR1'].", 0);");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid2, $gid, 0, ".$c['pos'].", $r2, ".$c['probaR2'].", 0);");
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$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
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VALUES ($pgid0, $gid, 0, ".$c['pos'].", 0, ".$c['probaR0'].", 0);");
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|
||
$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
|
||
VALUES ($pgidT, $gid, 0, ".$c['pos'].", -1, ".$c['probaTrash'].", 0);");
|
||
}
|
||
|
||
$db->exec("commit;");
|
||
}
|
||
|
||
/** Retourne un identifiant de partie aléatoire de la liste de parties jouables
|
||
* @return gid : Identifiant de partie.
|
||
*/
|
||
function randomGameCore() {
|
||
$db = getDB();
|
||
return $db->querySingle("select gid from game where gid = (abs(random()) % (select max(gid) from game))+1 or gid = (select max(gid) from game where gid > 0) order by gid limit 1;");
|
||
}
|
||
|
||
/** Sélection aléatoire d'une partie de la base de données parmis les parties à jouer.
|
||
* @return gid : Identifiant de la partie selectionnée.
|
||
*/
|
||
function randomGame()
|
||
{
|
||
$gid = randomGameCore();
|
||
|
||
if ($gid === null) {
|
||
// TODO : séparer ces créations de parties dans une fonction qui détecte le mode toussa.
|
||
for ($i = 0; $i < 100; $i++)
|
||
createGameCore(10);
|
||
|
||
$gid = randomGameCore();
|
||
|
||
if ($gid === null)
|
||
throw new Exception("Erreur lors de la récupération de la partie. Vérifiez qu'il y a au moins une partie.", 6);
|
||
}
|
||
return $gid;
|
||
}
|
||
|
||
/** Formatage des mots lorsqu'il y a des généralisations/spécifications par le symbole ">".
|
||
* @param word : Le mot que l'on veut reformater.
|
||
* @return word : le mot formaté.
|
||
*/
|
||
function formatWord($word) {
|
||
$db = getDB();
|
||
$res = "";
|
||
$stack = array();
|
||
|
||
while (($pos = strpos($word, ">")) !== false) {
|
||
$res .= substr($word,0,$pos) . " (";
|
||
$eid = intval(substr($word,$pos+1));
|
||
if ($eid == 0) { throw new Exception("Erreur lors du suivi des pointeurs de spécialisation du mot $word.", 7); }
|
||
if (in_array($eid, $stack)) { throw new Exception("Boucle rencontrée lors du suivi des pointeurs de spécialisation du mot $word.", 8); }
|
||
if (count($stack) > 10) { throw new Exception("Trop de niveaux de récursions lors du suivi des pointeurs de spécialisation du mot $word.", 9); }
|
||
$stack[] = $eid;
|
||
$word = $db->querySingle("select name from node where eid = $eid");
|
||
}
|
||
|
||
$res .= $word;
|
||
|
||
for ($depth = count($stack); $depth > 0; $depth--)
|
||
$res .= ')';
|
||
|
||
return $res;
|
||
}
|
||
|
||
/** Formate une partie en JSON en l'imprimant.
|
||
* @param user : l'utilisateur.
|
||
* @param gameId : L'identifiant d'une partie.
|
||
*/
|
||
function game2json($user, $gameId)
|
||
{
|
||
global $stringRelations;
|
||
$db = getDB();
|
||
// TODO : factoriser avec game2array() .
|
||
// TODO : planter si la requête suivante échoue pour quelque raison que ce soit.
|
||
$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp) VALUES (null, ".$gameId.", '$user', -1);");
|
||
$pgid = $db->lastInsertRowID();
|
||
|
||
// TODO Yoann : faire des tests d'erreur pour ces select ?
|
||
$game = $db->query("select gid, (select name from node where eid = eid_central_word) as name_central_word, eid_central_word, relation_1, relation_2 from game where gid = ".$gameId.";");
|
||
$game = $game->fetchArray();
|
||
|
||
$retstr = "";
|
||
$retstr .= '{"gid":'.$gameId.',"pgid":'.$pgid.',"relations":[';
|
||
$retstr .= '{"id":'.$game['relation_1'].', "name":'.json_encode(''.formatWord($stringRelations[$game['relation_1']])).'}';
|
||
$retstr .= ', {"id":'.$game['relation_2'].', "name":'.json_encode(''.formatWord($stringRelations[$game['relation_2']])).'}';
|
||
$retstr .= ', {"id":0, "name":'.json_encode(''.formatWord($stringRelations[0])).'}';
|
||
$retstr .= ', {"id":-1, "name":'.json_encode(''.formatWord($stringRelations[-1])).'}],';
|
||
// $retstr .= '{"gid":'.$gameId.',"pgid":'.$pgid.',"cat1":'.$game['relation_1'].',"cat2":'.$game['relation_2'].',"cat3":0,"cat4":-1,';
|
||
$retstr .= '"center":{"id":'.$game['eid_central_word'].',"name":'.json_encode(''.formatWord($game['name_central_word'])).'},';
|
||
$retstr .= '"cloudsize":10,"cloud":['; // TODO ! compter dynamiquement.
|
||
|
||
$res = $db->query("select eid_word,(select name from node where eid=eid_word) as name_word from game_cloud where gid = ".$gameId.";");
|
||
$notfirst = false;
|
||
|
||
while ($x = $res->fetchArray())
|
||
{
|
||
if ($notfirst)
|
||
$retstr .= ",";
|
||
else
|
||
$notfirst=true;
|
||
|
||
$retstr .= '{"id":'.$x['eid_word'].',"name":'.json_encode("".formatWord($x['name_word'])).'}';
|
||
}
|
||
|
||
$retstr .= "]}";
|
||
return $retstr;
|
||
}
|
||
|
||
/** Récupère une partie sous forme de tableau.
|
||
* @param db : descripteur de la bdd (obtenu avec getDB()).
|
||
* @param user : Login de l'utilisateur demandant la partie.
|
||
* @param gameId : L'identifiant d'une partie.
|
||
*/
|
||
function game2array($user, $gameId)
|
||
{
|
||
$db = getDB();
|
||
// TODO : planter si la requête suivante échoue pour quelque raison que ce soit.
|
||
$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp) VALUES (null, ".$gameId.", '$user', -1);");
|
||
$pgid = $db->lastInsertRowID();
|
||
|
||
// TODO Yoann : faire des tests d'erreur pour ces select ?
|
||
$game = $db->query("select gid, (select name from node where eid = eid_central_word) as name_central_word, eid_central_word, relation_1, relation_2 from game where gid = ".$gameId.";");
|
||
$game = $game->fetchArray();
|
||
|
||
$ret = array();
|
||
$ret['gid'] = $gameId;
|
||
$ret['pgid'] = $pgid;
|
||
$ret['cat1'] = $game['relation_1'];
|
||
$ret['cat2'] = $game['relation_2'];
|
||
$ret['cat3'] = 0;
|
||
$ret['cat4'] = -1;
|
||
$ret['center'] = array('id' => $game['eid_central_word'], 'name' => formatWord($game['name_central_word']));
|
||
$ret['cloud'] = array(); // TODO ! compter dynamiquement.
|
||
|
||
$res = $db->query("select eid_word,(select name from node where eid=eid_word) as name_word, num, difficulty, totalWeight, probaR1, probaR2, probaR0, probaTrash from game_cloud where gid = ".$gameId.";");
|
||
|
||
while ($x = $res->fetchArray())
|
||
{
|
||
$ret['cloud'][$x['num']] = array(
|
||
'id' => $x['eid_word'],
|
||
'name' => formatWord($x['name_word']),
|
||
'difficulty' => $x['difficulty'],
|
||
'totalWeight' => $x['totalWeight'],
|
||
'probaR1' => $x['probaR1'],
|
||
'probaR2' => $x['probaR2'],
|
||
'probaR0' => $x['probaR0'],
|
||
'probaTrash' => $x['probaTrash'],
|
||
'probas' => normalizeProbas($x)
|
||
);
|
||
}
|
||
|
||
$ret['cloudsize'] = count($ret['cloud']);
|
||
return $ret;
|
||
}
|
||
|
||
|
||
/** Création d'un lot de parties suivant un mode donnée.
|
||
* @param nbParties : le nombre de parties à créer.
|
||
* @param mode : Le mode de jeu pour les parties à créer.
|
||
*/
|
||
function createGame($nbParties, $mode)
|
||
{
|
||
for ($i = 0; $i < $nbParties; $i++)
|
||
createGameCore(10);
|
||
}
|
||
|
||
/** Génère une partie (mode normal pour l'instant) pour une certaine taille de nuage.
|
||
* @param cloudSize : Taille du nuage.
|
||
*
|
||
* Est appelée par randomGame(), donc il faudra adapter quand on aura plusieurs modes, par exemple en ayant une fonction intermédiaire qui puisse être appelée par createGame et randomGame.
|
||
*/
|
||
function createGameCore($cloudSize)
|
||
{
|
||
// select random node
|
||
$centerEid = randomCenterNode();
|
||
|
||
$r1 = cgChooseRelations(); $r2 = $r1[1]; $r1 = $r1[0];
|
||
$sources = cgBuildResultSets($cloudSize, $centerEid, $r1, $r2); $sumWeights = $sources[1]; $sources = $sources[0];
|
||
$cloud = cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights); $totalDifficulty = $cloud[1]; $cloud = $cloud[0];
|
||
cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty);
|
||
}
|
||
|
||
/** Récupération d'une partie.
|
||
* @param user : L'identifiant de l'utilisateur.
|
||
* @param nbGames : Le nombre de parties à récupérer.
|
||
* @param mode : Le mode de jeu des parties à récupérer.
|
||
*/
|
||
function getGame($user)
|
||
{
|
||
echo game2json($user, randomGame());
|
||
}
|
||
|
||
|
||
function computeScore($probas, $difficulty, $answer, $userReputation) {
|
||
// Calcul du score. Score = proba[réponse de l'utilisateur]*coeff1 - proba[autres reponses]*coeff2 + bonus
|
||
// score = - proba[autres reponses]*coeff2
|
||
// On aura donc -5 <= score <= 0
|
||
$score = -5 * (($probas[0] + $probas[1] + $probas[2] + $probas[3]) - $probas[$answer]);
|
||
|
||
// score = proba[réponse de l'utilisateur]*coeff1 - proba[autres reponses]*coeff2
|
||
// On aura donc -5 <= score <= 10
|
||
$score += 10 * $probas[$answer];
|
||
|
||
// On est indulgent si la réponse est 3 (poubelle) :
|
||
if ($answer == 3 && $score < 0) {
|
||
$score = $score / 2;
|
||
}
|
||
|
||
// Adapter le score en fonction de la réputation de l'utilisateur (quand il est jeune, augmenter le score pour le motiver).
|
||
// On aura donc -5 <= score <= 15
|
||
if ($score > 3) {
|
||
$score += max(0, min(5, 5 - $userReputation));
|
||
}
|
||
|
||
return round($score);
|
||
}
|
||
|
||
/** Calcul de la réputation de l'utilisateur selon son score.
|
||
* @param score : Le score du joueur.
|
||
*/
|
||
function computeUserReputation($score) {
|
||
return max(round(log(max($score/10,1))*100)/100, 0);
|
||
}
|
||
|
||
/** Formatage des probalitées dans un tableau.
|
||
* @param row : le vecteur de probabilités.
|
||
* @return array : Le vecteur de probabilités normalisé.
|
||
*/
|
||
function normalizeProbas($row) {
|
||
return array($row['probaR1']/$row['totalWeight'], $row['probaR2']/$row['totalWeight'], $row['probaR0']/$row['totalWeight'], $row['probaTrash']/$row['totalWeight']);
|
||
}
|
||
|
||
/** Insertion des données d'une partie joué par un utilisateur.
|
||
* @param user : L'identifiant de l'utilisateur ayant joué à la partie.
|
||
* @param pgid : L'identifiant de la partie jouée.
|
||
* @param gid : L'identifiant du jeu auquel la partie appartient.
|
||
* @return score : Le score réalisé par le joueur.
|
||
*/
|
||
function setGame($user, $pgid, $gid, $answers)
|
||
{
|
||
$db = getDB();
|
||
if ('ok' !== $db->querySingle("SELECT 'ok' FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user' and timestamp = -1;")) {
|
||
return getGameScores($user, $pgid, $gid);
|
||
}
|
||
|
||
$userReputation = computeUserReputation($db->querySingle("SELECT score FROM user WHERE login='".SQLite3::escapeString($user)."';"));
|
||
|
||
$db->exec("begin transaction;");
|
||
$db->exec("update played_game set timestamp = ".time()." where pgid = $pgid;");
|
||
|
||
$r0 = 0;
|
||
$trash = -1;
|
||
$r1 = $db->querySingle("SELECT relation_1, relation_2 FROM game WHERE gid = $gid;", true);
|
||
$r2 = $r1['relation_2'];
|
||
$r1 = $r1['relation_1'];
|
||
$res = $db->query("SELECT num, difficulty, totalWeight, probaR1, probaR2, probaR0, probaTrash FROM game_cloud WHERE gid = $gid;");
|
||
$gameScore = 0;
|
||
$scores = array();
|
||
|
||
while ($row = $res->fetchArray())
|
||
{
|
||
$num = intval($row['num']);
|
||
if (!isset($answers[$num])) {
|
||
throw new Exception("Cette requête \"Set partie\" ne donne pas de réponse (une relation) pour le mot numéro $num de la partie.", 5);
|
||
}
|
||
$relanswer = intval($answers[$num]);
|
||
|
||
switch ($relanswer)
|
||
{
|
||
case $r1: $answer = 0; $probaRx = "probaR1"; break;
|
||
case $r2: $answer = 1; $probaRx = "probaR2"; break;
|
||
case $r0: $answer = 2; $probaRx = "probaR0"; break;
|
||
case $trash: $answer = 3; $probaRx = "probaTrash"; break;
|
||
default: throw new Exception("Réponse ($relanswer) invalide pour le mot $num. Les réponses possibles sont : $r1, $r2, $r0, $trash", 5);
|
||
}
|
||
|
||
$wordScore = computeScore(normalizeProbas($row), $row['difficulty'], $answer, $userReputation);
|
||
$gameScore += $wordScore;
|
||
$scores[$num] = $wordScore;
|
||
|
||
$db->exec("insert into played_game_cloud(pgid, gid, type, num, relation, weight, score) values($pgid, $gid, 1, $num, $r1, ".$userReputation.", ".$wordScore.");");
|
||
$db->exec("update game_cloud set $probaRx = $probaRx + ".max(min($userReputation/2,5),0)." where gid = $gid and num = $num;");
|
||
$db->exec("update game_cloud set totalWeight = totalWeight + ".max(min($userReputation/2,5),0)." where gid = $gid and num = $num;");
|
||
}
|
||
$db->exec("update user set score = score + ".$gameScore." where login = '$user';");
|
||
|
||
$db->exec("commit;");
|
||
|
||
return array(
|
||
'scoreTotal' => $gameScore,
|
||
'alreadyPlayed' => false,
|
||
'scores' => $scores
|
||
);
|
||
}
|
||
|
||
function getGameScores($user, $pgid, $gid) {
|
||
$db = getDB();
|
||
$timestamp = $db->querySingle("SELECT timestamp FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user';");
|
||
if ($timestamp == -1) {
|
||
throw new Exception("Cette partie n'a jamais été jouée.", 4); // TODO : code d'erreur en doublon avec celui ci-dessous.
|
||
} else if ($timestamp == null) {
|
||
throw new Exception("Cette partie n'est associée à votre nom d'utilisateur.", 4);
|
||
}
|
||
|
||
$gameScore = 0;
|
||
$scores = array();
|
||
$res = $db->query("SELECT num,score from played_game_cloud where pgid = $pgid and gid = $gid;");
|
||
while ($row = $res->fetchArray())
|
||
{
|
||
$gameScore += $row['score'];
|
||
$scores[$row['num']] = $row['score'];
|
||
}
|
||
return array(
|
||
'scoreTotal' => $gameScore,
|
||
'alreadyPlayed' => true,
|
||
'scores' => $scores
|
||
);
|
||
}
|
||
|
||
/** Fourni l'ensembles des relations pouvant apparaître dans le jeu.
|
||
* @return array : un tableau de realtions.
|
||
*/
|
||
function get_game_relations()
|
||
{
|
||
$reqlations = array();
|
||
|
||
$relations[] = 5;
|
||
$relations[] = 7;
|
||
$relations[] = 9;
|
||
$relations[] = 10;
|
||
$relations[] = 14;
|
||
$relations[] = 22;
|
||
|
||
return $relations;
|
||
}
|
||
|
||
function getGameRelationsJSON() {
|
||
$json = "{";
|
||
global $stringRelations;
|
||
|
||
foreach($stringRelations as $id=>$description)
|
||
if($id == -1)
|
||
$json .= '"'.$id.'":"'.$description.'"';
|
||
else
|
||
$json .= ',"'.$id.'":"'.$description.'"';
|
||
|
||
$json .= '}';
|
||
|
||
return $json;
|
||
}
|
||
|
||
function setGameGetScore($user, $pgid, $gid, $answers) {
|
||
$scores = setGame($user, intval($pgid), intval($gid), $answers);
|
||
// On renvoie une nouvelle partie pour garder le client toujours bien alimenté.
|
||
$scores['newGame'] = game2json($user, randomGame());
|
||
$scores['minScore'] = -5;
|
||
$scores['maxScore'] = 10;
|
||
echo json_encode($scores);
|
||
}
|
||
|
||
/** Insère dans la base de données le noeud si il n'existe pas encore.
|
||
* @param node : le noeud à ajouter.
|
||
*/
|
||
function insertNode($node) {
|
||
$db = getDB();
|
||
|
||
if($db->querySingle("SELECT eid FROM node WHERE name='".SQLite3::escapeString($node)."'") == null) {
|
||
$db->exec("INSERT INTO node(name,type,weight) VALUES('".SQLite3::escapeString($node)."',1,50);");
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
|
||
/** retourne l'eid d'un mot.
|
||
* @param node : le mot dont on veut obtenir l'eid.
|
||
*/
|
||
|
||
function getNodeEid($node) {
|
||
$db = getDB();
|
||
|
||
return $db->querySingle("SELECT eid FROM node WHERE name='".SQLite3::escapeString($node)."';");
|
||
}
|
||
|
||
function wordExist($node) {
|
||
$db = getDB();
|
||
|
||
return getNodeEid($node) === null ? true : false;
|
||
}
|
||
?>
|