public static function updateXP(GameUsers $user, GameUsers $opponent, $roomGroupId, $action, $gameId = null, $double = 0, $normal = true, $type = null, $time = null)
 {
     $result = new FunctionResult();
     $result->success = false;
     if (!empty($user) && !empty($action)) {
         $gain = 0;
         $xp = $user->getUserXP();
         if ($action == GameUtils::$GAME_RESULT_ACTION_WIN) {
             $gain = (int) GameConstantUtil::getConstant(GameUtils::$CONSTANT_WIN_XP_GAIN);
             if (!$normal) {
                 $gain = $gain * 2;
             }
         } else {
             if ($action == GameUtils::$GAME_RESULT_ACTION_LOST) {
                 if ($type == GameUtils::$GAME_RESULT_ACTION_TYPE_QUIT) {
                     $gain = (int) GameConstantUtil::getConstant(GameUtils::$CONSTANT_QUIT_XP_GAIN);
                 } else {
                     if ($type == GameUtils::$GAME_RESULT_ACTION_TYPE_LEFT || $type == GameUtils::$GAME_RESULT_ACTION_TYPE_TIMESUP) {
                         $gain = (int) GameConstantUtil::getConstant(GameUtils::$CONSTANT_CONN_LOST_XP_GAIN);
                     } else {
                         $gain = (int) GameConstantUtil::getConstant(GameUtils::$CONSTANT_LOSE_XP_GAIN);
                     }
                 }
             } else {
                 $xp = -1;
             }
         }
         if ($xp >= 0) {
             $gameResult = $action . "_" . $normal . "_" . $double . "_" . $type;
             $oppId = null;
             if (!empty($opponent)) {
                 $oppId = $opponent->getUserId();
             }
             if (empty($time)) {
                 $time = time();
             }
             Queue::addUserXPLog($user->userId, $gain, $time, GameUserXpLog::$CONSTANT_LOG_TYPE_GAME, $gameId, $gameResult, $oppId);
             $xp = $xp + $gain;
             $user->setUserXP($xp);
             $userLevel = GameUserLevel::getUserLevel($xp);
             $user->userLevel = $userLevel;
             if (!empty($userLevel) && !empty($userLevel->levelNumber)) {
                 $user->setUserLevelNumber($userLevel->levelNumber);
             }
             $result->success = true;
         } else {
             $result->success = false;
             $result->result = "Action unknown";
         }
     }
     return $result;
 }