PHP game_update_queries函数代码示例

 function updatecrossquestions(&$rec, &$g, &$pos, &$correctletters, &$wrongletters, &$restletters, $game, $attempt, $crossrec)
 {
     global $DB, $USER;
     $textlib = textlib_get_instance();
     $word = $rec->answertext;
     $len = $textlib->strlen($word);
     $guess = $textlib->substr($g, $pos, $len);
     $len_guess = $textlib->strlen($guess);
     $pos += $len;
     $is_empty = true;
     for ($i = 0; $i < $len; $i++) {
         if ($i < $len_guess) {
             $letterguess = $textlib->substr($guess, $i, 1);
         } else {
             $letterguess = " ";
         }
         if ($letterguess != ' ') {
             $is_empty = false;
         }
         $letterword = $textlib->substr($word, $i, 1);
         if ($letterword != $letterguess) {
             if ($letterguess != ' ' and $letterguess != '_' or $letterword == ' ') {
                 $wrongletters++;
             }
             game_setchar($guess, $i, '_');
             $restletters++;
         } else {
             if ($letterguess == ' ') {
                 if ($guess == $word) {
                     $correctletters++;
                 } else {
                     $wrongletters++;
                     game_setchar($guess, $i, '_');
                 }
             } else {
                 $correctletters++;
             }
         }
     }
     if ($is_empty) {
         return;
     }
     if ($rec->studentanswer == $guess) {
         return;
     }
     $rec->studentanswer = $guess;
     $updrec->studentanswer = $guess;
     $updrec->id = $rec->id;
     if (!$DB->update_record('game_queries', $updrec, $rec->id)) {
         print_error('Update game_queries: not updated');
     }
     $score = $correctletters / $len;
     game_update_queries($game, $attempt, $rec, $score, $guess);
 }

function game_bookquiz_check_questions($id, $game, $attempt, $bookquiz, $context)
{
    global $USER, $DB;
    $scoreattempt = optional_param('scoreattempt', 0, PARAM_INT);
    $responses = data_submitted();
    $questionlist = $responses->questionids;
    $questions = game_sudoku_getquestions($questionlist);
    $grades = game_grade_questions($questions);
    $scorequestion = 0;
    $scoreattempt = 0;
    $chapterid = required_param('chapterid', PARAM_INT);
    $nextchapterid = required_param('nextchapterid', PARAM_INT);
    foreach ($questions as $question) {
        if (!array_key_exists($question->id, $grades)) {
            //no answered
            continue;
        }
        $grade = $grades[$question->id];
        if ($grade->grade < 0.5) {
            continue;
        }
        //found one correct answer
        if (!$DB->get_field('game_bookquiz_chapters', 'id', array('attemptid' => $attempt->id, 'chapterid' => $chapterid))) {
            $newrec = new stdClass();
            $newrec->attemptid = $attempt->id;
            $newrec->chapterid = $chapterid;
            if (!$DB->insert_record('game_bookquiz_chapters', $newrec, false)) {
                print_object($newrec);
                print_error("Can't insert to table game_bookquiz_chapters");
            }
        }
        //Have to go to next page.
        $bookquiz->lastchapterid = $nextchapterid;
        $scorequestion = 1;
        break;
    }
    $query = new stdClass();
    $query->id = 0;
    $query->attemptid = $attempt->id;
    $query->gameid = $game->id;
    $query->userid = $USER->id;
    $query->sourcemodule = 'question';
    $query->questionid = $question->id;
    $query->glossaryentryid = 0;
    $query->questiontext = $question->questiontext;
    $query->timelastattempt = time();
    game_update_queries($game, $attempt, $query, $scorequestion, '');
    game_updateattempts($game, $attempt, $scoreattempt, 0);
    game_bookquiz_continue($id, $game, $attempt, $bookquiz, $bookquiz->lastchapterid, $context);
}

function game_sudoku_check_glossaryentries($id, $game, $attempt, $sudoku, $finishattempt, $course)
{
    global $QTYPES, $DB;
    $responses = data_submitted();
    //this function returns offsetentries, numbers, correctquestions
    $offsetentries = game_sudoku_compute_offsetquestions($game->sourcemodule, $attempt, $numbers, $correctquestions);
    $entrieslist = game_sudoku_getquestionlist($offsetentries);
    // Load the glossary entries
    if (!($entries = $DB->get_records_select('glossary_entries', "id IN ({$entrieslist})"))) {
        print_error(get_string('noglossaryentriesfound', 'game'));
    }
    foreach ($entries as $entry) {
        $answerundefined = optional_param('resp' . $entry->id, 'undefined', PARAM_TEXT);
        if ($answerundefined == 'undefined') {
            continue;
        }
        $answer = optional_param('resp' . $entry->id, '', PARAM_TEXT);
        if ($answer == '') {
            continue;
        }
        if (game_upper($entry->concept) != game_upper($answer)) {
            continue;
        }
        //correct answer
        $select = "attemptid={$attempt->id}";
        $select .= " AND glossaryentryid={$entry->id} AND col>0";
        $select .= " AND questiontext is null";
        // check the student guesses not source glossary entry.
        $query = new stdClass();
        if (($query->id = $DB->get_field_select('game_queries', 'id', $select)) == 0) {
            echo "not found {$select}<br>";
            continue;
        }
        game_update_queries($game, $attempt, $query, 1, $answer);
    }
    game_sudoku_check_last($id, $game, $attempt, $sudoku, $finishattempt, $course);
    return true;
}

function game_millionaire_OnAnswer($id, $game, $attempt, &$millionaire, $query, $answer)
{
    global $CFG;
    game_millionaire_loadquestions($millionaire, $query, $aAnswer);
    if ($answer == $query->correct) {
        if ($millionaire->level < 15) {
            $millionaire->level++;
        }
        $finish = $millionaire->level == 15 ? 1 : 0;
        $scorequestion = 1;
    } else {
        $finish = 1;
        $scorequestion = 0;
    }
    $score = $millionaire->level / 15;
    game_update_queries($game, $attempt, $query, $scorequestion, $answer);
    game_updateattempts($game, $attempt, $score, $finish);
    $updrec->id = $millionaire->id;
    $updrec->level = $millionaire->level;
    $updrec->queryid = 0;
    if (!update_record('game_millionaire', $updrec)) {
        error('error updating in game_millionaire');
    }
    if ($answer == $query->correct) {
        //correct
        if ($finish) {
            echo get_string('millionaire_win', 'game');
            game_millionaire_OnQuit($id, $game, $attempt, $query);
        } else {
            $millionaire->queryid = 0;
            //so the next function select a new question
            game_millionaire_ShowNextQuestion($id, $game, $attempt, $millionaire, $query);
        }
    } else {
        //wrong answer
        $info = get_string('millionaire_info_wrong_answer', 'game') . '<br><br><b><center>' . $aAnswer[$query->correct - 1] . '</b>';
        $millionaire->state = 15;
        game_millionaire_ShowGrid($game, $millionaire, $id, $query, $aAnswer, $info);
    }
}

function game_hiddenpicture_check_mainquestion($id, $game, &$attempt, &$hiddenpicture, $finishattempt, $context)
{
    global $QTYPES, $CFG, $DB;
    $responses = data_submitted();
    $glossaryentryid = $responses->glossaryentryid;
    $queryid = $responses->queryid;
    // Load the glossary entry
    if (!($entry = $DB->get_record('glossary_entries', array('id' => $glossaryentryid)))) {
        print_error(get_string('noglossaryentriesfound', 'game'));
    }
    $answer = $responses->answer;
    $correct = false;
    if ($answer != '') {
        if (game_upper($entry->concept) == game_upper($answer)) {
            $correct = true;
        }
    }
    // Load the query
    if (!($query = $DB->get_record('game_queries', array('id' => $queryid)))) {
        print_error("The query {$queryid} not found");
    }
    game_update_queries($game, $attempt, $query, $correct, $answer);
    if ($correct) {
        $hiddenpicture->found = 1;
    } else {
        $hiddenpicture->wrong++;
    }
    if (!$DB->update_record('game_hiddenpicture', $hiddenpicture)) {
        print_error('game_hiddenpicture_check_mainquestion: error updating in game_hiddenpicture');
    }
    $score = game_hidden_picture_computescore($game, $hiddenpicture);
    game_updateattempts($game, $attempt, $score, $correct);
    if ($correct == false) {
        game_hiddenpicture_play($id, $game, $attempt, $hiddenpicture, false, $context);
        return true;
    }
    //Finish the game
    $query = $DB->get_record_select('game_queries', "attemptid={$hiddenpicture->id} AND col=0", null, 'id,glossaryentryid,attachment,questiontext');
    game_showpicture($id, $game, $attempt, $query, '', '', false);
    echo '<p><BR/><font size="5" color="green">' . get_string('win', 'game') . '</font><BR/><BR/></p>';
    global $CFG;
    echo '<br/>';
    echo "<a href=\"{$CFG->wwwroot}/mod/game/attempt.php?id={$id}\">";
    echo get_string('nextgame', 'game') . '</a> &nbsp; &nbsp; &nbsp; &nbsp;';
    if (!($cm = $DB->get_record('course_modules', array('id' => $id)))) {
        print_error("Course Module ID was incorrect id={$id}");
    }
    echo "<a href=\"{$CFG->wwwroot}/course/view.php?id={$cm->course}\">" . get_string('finish', 'game') . '</a> ';
    return false;
}

function game_snakes_check_glossary($id, $game, $attempt, $snakes, $context)
{
    global $QTYPES, $CFG, $DB;
    $responses = data_submitted();
    if ($responses->queryid != $snakes->queryid) {
        game_snakes_play($id, $game, $attempt, $snakes, $context);
        return;
    }
    $query = $DB->get_record('game_queries', array('id' => $responses->queryid));
    $glossaryentry = $DB->get_record('glossary_entries', array('id' => $query->glossaryentryid));
    $name = 'resp' . $query->glossaryentryid;
    $useranswer = $responses->answer;
    if (game_upper($useranswer) != game_upper($glossaryentry->concept)) {
        //wrong answer
        $correct = false;
        game_update_queries($game, $attempt, $query, 0, $useranswer);
        //last param is grade
    } else {
        //correct answer
        $correct = true;
        game_update_queries($game, $attempt, $query, 1, $useranswer);
        //last param is grade
    }
    //set the grade of the whole game
    game_snakes_position($id, $game, $attempt, $snakes, $correct, $query, $context);
}

function game_cryptex_check($id, $game, $attempt, $cryptexrec, $q, $answer, $context)
{
    global $DB;
    if ($attempt === false) {
        game_cryptex_continue($id, $game, $attempt, $cryptexrec, false);
        return;
    }
    $crossm = $DB->get_record_select('game_cross', "id={$attempt->id}");
    $query = $DB->get_record_select('game_queries', "id={$q}");
    $answer1 = trim(game_upper($query->answertext));
    $answer2 = trim(game_upper($answer));
    $len1 = textlib::strlen($answer1);
    $len2 = textlib::strlen($answer2);
    $equal = $len1 == $len2;
    if ($equal) {
        for ($i = 0; $i < $len1; $i++) {
            if (textlib::substr($answer1, $i, 1) != textlib::substr($answer2, $i, 1)) {
                $equal = true;
                break;
            }
        }
    }
    if ($equal == false) {
        game_update_queries($game, $attempt, $query, 0, $answer2, true);
        game_cryptex_play($id, $game, $attempt, $cryptexrec, $crossm, true, false, false, $context);
        return;
    }
    game_update_queries($game, $attempt, $query, 1, $answer2);
    $onlyshow = false;
    $showsolution = false;
    game_cryptex_play($id, $game, $attempt, $cryptexrec, $crossm, true, $onlyshow, $showsolution, $context);
}

function game_bookquiz_check_questions($id, $game, $attempt, $bookquiz)
{
    global $QTYPES, $CFG, $USER;
    $responses = data_submitted();
    $questionlist = $responses->questionids;
    $questions = game_sudoku_getquestions($questionlist);
    $actions = question_extract_responses($questions, $responses, QUESTION_EVENTSUBMIT);
    $scorequestion = 0;
    $scoreattempt = 0;
    foreach ($questions as $question) {
        if (!array_key_exists($question->id, $actions)) {
            //no answered
            continue;
        }
        unset($state);
        unset($cmoptions);
        $question->maxgrade = 100;
        $state->responses = $actions[$question->id]->responses;
        $state->event = QUESTION_EVENTGRADE;
        $cmoptions = array();
        $QTYPES[$question->qtype]->grade_responses($question, $state, $cmoptions);
        if ($state->raw_grade < 50) {
            continue;
        }
        //found one correct answer
        $chapterid = $responses->chapterid;
        if (!get_field('game_bookquiz_chapters', 'id', 'attemptid', $attempt->id, 'chapterid', $chapterid)) {
            unset($newrec);
            $newrec->attemptid = $attempt->id;
            $newrec->chapterid = $chapterid;
            if (!insert_record('game_bookquiz_chapters', $newrec, false)) {
                print_object($newrec);
                error("Can't insert to table game_bookquiz_chapters");
            }
        }
        //Have to go to next page.
        $bookquiz->lastchapterid = $responses->nextchapterid;
        if (!set_field('game_bookquiz', 'lastchapterid', $bookquiz->lastchapterid, 'id', $bookquiz->id)) {
            error("Can't compute next chapter");
        }
        $scorequestion = 1;
        $scoreattempt = $_POST['scoreattempt'];
        break;
    }
    $query->id = 0;
    $query->attemptid = $attempt->id;
    $query->gameid = $game->id;
    $query->userid = $USER->id;
    $query->sourcemodule = 'question';
    $query->questionid = $question->id;
    $query->glossaryentryid = 0;
    $query->questiontext = $question->questiontext;
    $query->timelastattempt = time();
    game_update_queries($game, $attempt, $query, $scorequestion, '');
    game_updateattempts($game, $attempt, $scoreattempt, 0);
    game_bookquiz_continue($id, $game, $attempt, $bookquiz);
}

function game_sudoku_check_glossaryentries($id, $game, $attempt, $sudoku, $finishattempt)
{
    global $QTYPES, $CFG;
    $responses = data_submitted();
    //this function returns offsetentries, numbers, correctquestions
    $offsetentries = game_sudoku_compute_offsetquestions($game->sourcemodule, $attempt, $numbers, $correctquestions);
    $entrieslist = game_sudoku_getquestionlist($offsetentries);
    // Load the glossary entries
    if (!($entries = get_records_select('glossary_entries', "id IN ({$entrieslist})"))) {
        error(get_string('noglossaryentriesfound', 'game'));
    }
    foreach ($entries as $entry) {
        if (!array_key_exists('resp' . $entry->id, $_POST)) {
            continue;
        }
        $answer = $_POST['resp' . $entry->id];
        if ($answer == '') {
            continue;
        }
        if (game_upper($entry->concept) != game_upper($answer)) {
            continue;
        }
        //correct answer
        $select = "attemptid={$attempt->id} and score < 0.5";
        $select .= " AND glossaryentryid={$entry->id}";
        unset($query);
        if (($query->id = get_field_select('game_queries', 'id', $select)) == 0) {
            echo "not found {$select}<br>";
            continue;
        }
        game_update_queries($game, $attempt, $query, 1, $answer);
    }
    game_sudoku_check_last($id, $game, $attempt, $sudoku, $finishattempt);
}

//.........这里部分代码省略.........
        echo "<br/><br/>";
    }
    $wordline = $wordline2 = "";
    $len = game_strlen($word);
    $done = 1;
    $answer = '';
    $correct = 0;
    for ($x = 0; $x < $len; $x++) {
        $char = game_substr($word, $x, 1);
        if ($showsolution) {
            $wordline2 .= $char == " " ? '&nbsp; ' : $char;
            $done = 0;
        }
        if (game_strpos($letters, $char) === false) {
            $wordline .= "_<font size=\"1\">&nbsp;</font>\r\n";
            $done = 0;
            $answer .= '_';
        } else {
            $wordline .= $char == " " ? '&nbsp; ' : $char;
            $answer .= $char;
            $correct++;
        }
    }
    $lenalpha = game_strlen($alpha);
    $fontsize = 5;
    for ($c = 0; $c < $lenalpha; $c++) {
        $char = game_substr($alpha, $c, 1);
        if (game_strpos($letters, $char) === false) {
            // User doesn't select this character.
            $params = 'id=' . $id . '&amp;newletter=' . urlencode($char);
            if ($onlyshow or $showsolution) {
                $links .= $char;
            } else {
                $links .= "<font size=\"{$fontsize}\"><a href=\"attempt.php?{$params}\">{$char}</a></font>\r\n";
            }
            continue;
        }
        if ($char == 'A') {
            if (game_strpos($word, $char) === false and game_strpos($word, 'Ã') === false) {
                $links .= "\r\n<font size=\"{$fontsize}\" color=\"red\">{$char} </font>";
                $wrong++;
            } else {
                $links .= "\r\n<B><font size=\"{$fontsize}\">{$char} </font></B> ";
            }
        } elseif ($char == 'C') {
            if (game_strpos($word, $char) === false and game_strpos($word, 'Ç') === false) {
                $links .= "\r\n<font size=\"{$fontsize}\" color=\"red\">{$char} </font>";
                $wrong++;
            } else {
                $links .= "\r\n<B><font size=\"{$fontsize}\">{$char} </font></B> ";
            }
        } elseif (game_strpos($word, $char) === false) {
            $links .= "\r\n<font size=\"{$fontsize}\" color=\"red\">{$char} </font>";
            $wrong++;
        } else {
            $links .= "\r\n<B><font size=\"{$fontsize}\">{$char} </font></B> ";
        }
    }
    $finishedword = ($done or $wrong >= $max);
    $finished = false;
    $updrec = new stdClass();
    $updrec->id = $hangman->id;
    $updrec->letters = $letters;
    if ($finishedword) {
        if ($hangman->finishedword == 0) {
            // Only one time per word increace the variable try.
            $hangman->try = $hangman->try + 1;
            if ($hangman->try > $hangman->maxtries) {
                $finished = true;
            }
            if ($done) {
                $hangman->corrects = $hangman->corrects + 1;
                $updrec->corrects = $hangman->corrects;
            }
        }
        $updrec->try = $hangman->try;
        $updrec->finishedword = 1;
    }
    $query->percent = ($correct - $wrong / $max) / game_strlen($word);
    if ($query->percent < 0) {
        $query->percent = 0;
    }
    if ($onlyshow or $showsolution) {
        return;
    }
    if (!$DB->update_record('game_hangman', $updrec)) {
        print_error("hangman_showpage: Can't update game_hangman id={$updrec->id}");
    }
    if ($done) {
        $score = 1;
    } else {
        if ($wrong >= $max) {
            $score = 0;
        } else {
            $score = -1;
        }
    }
    game_updateattempts($game, $attempt, $score, $finished);
    game_update_queries($game, $attempt, $query, $score, $answer);
}

function game_bookquiz_check_questions($id, $game, $attempt, $bookquiz)
{
    global $QTYPES, $CFG, $USER, $DB;
    $responses = data_submitted();
    $questionlist = $responses->questionids;
    $questions = game_sudoku_getquestions($questionlist);
    $scorequestion = 0;
    $scoreattempt = 0;
    foreach ($questions as $question) {
        $grade = game_grade_responses($question, $responses, 100, $answertext);
        if ($grade < 50) {
            continue;
        }
        //found one correct answer
        $chapterid = $responses->chapterid;
        if (!$DB->get_field('game_bookquiz_chapters', 'id', array('attemptid' => $attempt->id, 'chapterid' => $chapterid))) {
            unset($newrec);
            $newrec->attemptid = $attempt->id;
            $newrec->chapterid = $chapterid;
            if (!$DB->insert_record('game_bookquiz_chapters', $newrec, false)) {
                print_object($newrec);
                print_error("Can't insert to table game_bookquiz_chapters");
            }
        }
        //Have to go to next page.
        $bookquiz->lastchapterid = $responses->nextchapterid;
        if (!$DB->set_field('game_bookquiz', 'lastchapterid', $bookquiz->lastchapterid, array('id' => $bookquiz->id))) {
            print_error("Can't compute next chapter");
        }
        $scorequestion = 1;
        $scoreattempt = $_POST['scoreattempt'];
        break;
    }
    $query->id = 0;
    $query->attemptid = $attempt->id;
    $query->gameid = $game->id;
    $query->userid = $USER->id;
    $query->sourcemodule = 'question';
    $query->questionid = $question->id;
    $query->glossaryentryid = 0;
    $query->questiontext = $question->questiontext;
    $query->timelastattempt = time();
    game_update_queries($game, $attempt, $query, $scorequestion, '');
    game_updateattempts($game, $attempt, $scoreattempt, 0);
    game_bookquiz_continue($id, $game, $attempt, $bookquiz);
}

//.........这里部分代码省略.........
            $letters .= $newletter;
        }
    }
    $links = "";
    $alpha = $hangman->allletters;
    $wrong = 0;
    if ($game->param5) {
        $s = trim(game_filtertext($query->questiontext, $game->course));
        if ($s != '.' and $s != '') {
            echo "<br/><b>" . $s . '</b>';
        }
        if ($query->attachment != '') {
            $file = "{$CFG->wwwroot}/file.php/{$game->course}/moddata/{$query->attachment}";
            echo "<img src=\"{$file}\" />";
        }
        echo "<br/><br/>";
    }
    $word_line = $word_line2 = "";
    $len = $textlib->strlen($word);
    $done = 1;
    $answer = '';
    for ($x = 0; $x < $len; $x++) {
        $char = $textlib->substr($word, $x, 1);
        if ($showsolution) {
            $word_line2 .= $char == " " ? '&nbsp; ' : $char;
            $done = 0;
        }
        if ($textlib->strpos($letters, $char) === false) {
            $word_line .= "_<font size=\"1\">&nbsp;</font>\r\n";
            $done = 0;
            $answer .= '_';
        } else {
            $word_line .= $char == " " ? '&nbsp; ' : $char;
            $answer .= $char;
        }
    }
    $correct = 0;
    $len_alpha = $textlib->strlen($alpha);
    $fontsize = 5;
    for ($c = 0; $c < $len_alpha; $c++) {
        $char = $textlib->substr($alpha, $c, 1);
        if ($textlib->strpos($letters, $char) === false) {
            //User doesn't select this character
            $params = 'id=' . $id . '&amp;newletter=' . urlencode($char);
            if ($onlyshow or $showsolution) {
                $links .= $char;
            } else {
                $links .= "<font size=\"{$fontsize}\"><a href=\"attempt.php?{$params}\">{$char}</a></font>\r\n";
            }
            continue;
        }
        if ($textlib->strpos($word, $char) === false) {
            $links .= "\r\n<font size=\"{$fontsize}\" color=\"red\">{$char} </font>";
            $wrong++;
        } else {
            $links .= "\r\n<B><font size=\"{$fontsize}\">{$char} </font></B> ";
            $correct++;
        }
    }
    $finishedword = ($done or $wrong >= 6);
    $finished = false;
    $updrec->id = $hangman->id;
    $updrec->letters = $letters;
    if ($finishedword) {
        if ($hangman->finishedword == 0) {
            //only one time per word increace the variable try
            $hangman->try = $hangman->try + 1;
            if ($hangman->try > $hangman->maxtries) {
                $finished = true;
            }
            if ($done) {
                $hangman->corrects = $hangman->corrects + 1;
                $updrec->corrects = $hangman->corrects;
            }
        }
        $updrec->try = $hangman->try;
        $updrec->finishedword = 1;
    }
    $query->percent = ($correct - $wrong / 6) / $textlib->strlen($word);
    if ($query->percent < 0) {
        $query->percent = 0;
    }
    if ($onlyshow or $showsolution) {
        return;
    }
    if (!$DB->update_record('game_hangman', $updrec)) {
        show_error("hangman_showpage: Can't update game_hangman id={$updrec->id}");
    }
    if ($done) {
        $score = 1;
    } else {
        if ($wrong >= 6) {
            $score = 0;
        } else {
            $score = -1;
        }
    }
    game_updateattempts($game, $attempt, $score, $finished);
    game_update_queries($game, $attempt, $query, $score, $answer);
}

function game_snakes_check_glossary($id, $game, $attempt, $snakes)
{
    global $QTYPES, $CFG;
    $responses = data_submitted();
    if ($responses->queryid != $snakes->queryid) {
        game_snakes_play($id, $game, $attempt, $snakes);
        return;
    }
    $query = get_record('game_queries', 'id', $responses->queryid);
    $glossaryentry = get_record('glossary_entries', 'id', $query->glossaryentryid);
    $name = 'resp' . $query->glossaryentryid;
    $useranswer = $responses->answer;
    //if( game_upper( $useranswer) != game_upper( $glossaryentry->definition)){ // concept >> definition (nadavkav)
    if (strcmp(trim($useranswer), trim($glossaryentry->concept)) == 0) {
        // concept >> definition (nadavkav)
        //correct answer
        $correct = true;
        game_update_queries($game, $attempt, $query, 1, $useranswer);
        //last param is grade
    } else {
        //wrong answer
        $correct = false;
        //  hanna  add  from---
        ?>
        	<DIV ID="wronganswer" STYLE="position:fixed;
right:50px;
top:680px;
 width:auto;
 height:0px;"><br><?php 
        echo get_string('reattemptgame', 'game');
        ?>
<br/>
</DIV>
         <?php 
        //   echo get_string('reattemptgame','game');   //   till here --- hanna 4/1/11
        game_update_queries($game, $attempt, $query, 0, $useranswer);
        //last param is grade
    }
    //set the grade of the whole game
    game_snakes_position($id, $game, $attempt, $snakes, $correct, $query);
}

function game_cryptex_check($id, $game, $attempt, $cryptexrec, $q, $answer)
{
    if ($attempt === false) {
        game_cryptex_continue($id, $game, $attempt, $cryptexrec);
        return;
    }
    $crossm = get_record_select('game_cross', "id={$attempt->id}");
    $query = get_record_select('game_queries', "id={$q}");
    $answer1 = trim(game_upper($query->answertext));
    $answer2 = trim(game_upper($answer));
    $textlib = textlib_get_instance();
    $len1 = $textlib->strlen($answer1);
    $len2 = $textlib->strlen($answer2);
    $equal = $len1 == $len2;
    if ($equal) {
        for ($i = 0; $i < $len1; $i++) {
            if ($textlib->substr($answer1, $i, 1) != $textlib->substr($answer2, $i, 1)) {
                $equal = true;
                break;
            }
        }
    }
    if ($equal == false) {
        game_update_queries($game, $attempt, $query, 0, $answer2);
        game_cryptex_play($id, $game, $attempt, $cryptexrec, $crossm, true);
        return;
    }
    game_update_queries($game, $attempt, $query, 1, $answer2);
    game_cryptex_play($id, $game, $attempt, $cryptexrec, $crossm, true);
}