Moodle 3.3 compatibility

8 years ago · 7fdf1ba09b
9 changed files with 7 additions and 2042 deletions
--- a/cross/cross_class.php
+++ b/cross/cross_class.php
@ -63,7 +63,6 @@ class Cross
        foreach ($reps as $word => $r) {
            $this->mreps[ game_upper( $word)] = $r;
        }
        $this->maveragereps = 0;
        foreach ($reps as $r) {
            $this->maveragereps += $r;
--- a/cross/play.php
+++ b/cross/play.php
@ -480,7 +480,7 @@ function ContainsBadChars(theirWord) {
 // Pads a number out to three characters.
 function PadNumber(number) {
-    if (number < 10) }
+    if (number < 10) {
        return "00" + number;
    } else if (number < 100) {
        return "0" + number;
@ -1135,8 +1135,9 @@ function game_cross_show_welcome1() {
 }
 function game_cross_show_legends( $cross) {
-    echo '<td>';
+    //echo '<td>';
    ShowLegend( $cross->mlegendh,  get_string( 'cross_across', 'game'));
    ShowLegend( $cross->mlegendv, get_string( 'cross_down', 'game'));
-    echo '</td>';
+    //echo '</td>';
 }
--- a/export/export_form.php~
+++ b/export/export_form.php~
@ -1,190 +0,0 @@
 <?php
 class mod_game_exporthtml_form extends moodleform {
    public function definition() {
        global $CFG, $game;
        $mform = $this->_form;
        $html = $this->_customdata['html'];
        $mform->addElement('header', 'general', get_string('general', 'form'));
        if ( $game->gamekind == 'hangman') {
            $options = array();
            $options[ '0'] = 'Hangman with phrases';
            $options[ 'hangmanp'] = 'Hangman with pictures';
            $mform->addElement('select', 'type', get_string('javame_type', 'game'), $options);
            if ( $html->type == 0) {
                $mform->setDefault('type', '0');
            } else {
                $mform->setDefault('type', 'hangmanp');
            }
        }
        // Input the filename.
        $mform->addElement('text', 'filename', get_string('javame_filename', 'game'), array('size' => '30'));
        $mform->setDefault('filename', $html->filename);
        $mform->setType('filename', PARAM_TEXT);
        // Input the html title.
        $mform->addElement('text', 'title', get_string('html_title', 'game'), array('size' => '80'));
        $mform->setDefault('title', $html->title);
        $mform->setType('title', PARAM_TEXT);
        // Inputs special fields for hangman.
        if ($game->gamekind == 'hangman') {
            $mform->addElement('text', 'maxpicturewidth', get_string('javame_maxpicturewidth', 'game'), array('size' => '5'));
            $mform->setDefault('maxpicturewidth', $html->maxpicturewidth);
            $mform->setType('maxpicturewidth', PARAM_INT);
            $mform->addElement('text', 'maxpictureheight', get_string('javame_maxpictureheight', 'game'), array('size' => '5'));
            $mform->setDefault('maxpictureheight', $html->maxpictureheight);
            $mform->setType('maxpictureheight', PARAM_INT);
        }
        // Input special fields for crossword.
        if ( $game->gamekind == 'cross') {
            $mform->addElement('selectyesno', 'checkbutton', get_string('html_hascheckbutton', 'game'));
            $mform->setDefault('checkbutton', $html->checkbutton);
            $mform->addElement('selectyesno', 'printbutton', get_string('html_hasprintbutton', 'game'));
            $mform->setDefault('printbutton', $html->printbutton);
        }
        $mform->addElement('hidden', 'q', $game->id);
        $mform->setType('q', PARAM_INT);
        $mform->addElement('hidden', 'target', 'html');
        $mform->setType('target', PARAM_TEXT);
        $mform->addElement('submit', 'submitbutton', get_string( 'export', 'game'));
        $mform->closeHeaderBefore('submitbutton');
    }
    public function validation($data, $files) {
        global $CFG, $USER, $DB;
        $errors = parent::validation($data, $files);
        return $errors;
    }
    public function export() {
        global $game, $DB;
        $mform = $this->_form;
        $html = new stdClass();
        $html->id = $this->_customdata['html']->id;
        $html->type = optional_param('type', 0, PARAM_ALPHANUM);
        $html->filename = $mform->getElementValue('filename');
        $html->title = $mform->getElementValue('title');
        $html->maxpicturewidth = optional_param('maxpicturewidth', 0, PARAM_INT);
        $html->maxpictureheight = optional_param('maxpictureheight', 0, PARAM_INT);
        if ( $mform->elementExists( 'checkbutton')) {
            $checkbuttonvalue = $mform->getElementValue('checkbutton');
            $html->checkbutton = $checkbuttonvalue[ 0];
        }
        if ( $mform->elementExists( 'printbutton')) {
            $printbuttonvalue = $mform->getElementValue('printbutton');
            $html->printbutton = $printbuttonvalue[ 0];
        }
        if (!($DB->update_record( 'game_export_html', $html))) {
            print_error("game_export_html: not updated id=$html->id");
        }
        $cm = get_coursemodule_from_instance('game', $game->id, $game->course);
        $context = game_get_context_module_instance( $cm->id);
        require_once("exporthtml.php");
        game_OnExportHTML( $game, $context, $html);
    }
 }
 class mod_game_exportjavame_form extends moodleform {
    public function definition() {
        global $CFG, $DB, $game;
        $mform = $this->_form;
        $javame = $this->_customdata['javame'];
        $mform->addElement('header', 'general', get_string('general', 'form'));
        if ( $game->gamekind == 'hangman') {
            $options = array();
            $options[ '0'] = 'Hangman with phrases';
            $options[ 'hangmanp'] = 'Hangman with pictures';
            $mform->addElement('select', 'type', get_string('javame_type', 'game'), $options);
        }
        $mform->addElement('text', 'filename', get_string('javame_filename', 'game'), array('size' => '30'));
        $mform->setDefault('filename', $javame->filename);
        $mform->setType('filename', PARAM_TEXT);
        $mform->addElement('text', 'icon', get_string('javame_icon', 'game'));
        $mform->setDefault('icon', $javame->icon);
        $mform->setType('icon', PARAM_TEXT);
        $mform->addElement('text', 'createdby', get_string('javame_createdby', 'game'));
        $mform->setDefault('createdby', $javame->createdby);
        $mform->setType('createdby', PARAM_TEXT);
        $mform->addElement('text', 'vendor', get_string('javame_vendor', 'game'));
        $mform->setDefault('vendor', $javame->vendor);
        $mform->setType('vendor', PARAM_TEXT);
        $mform->addElement('text', 'name', get_string('javame_name', 'game'), array('size' => '80'));
        $mform->setDefault('name', $javame->name);
        $mform->setType('name', PARAM_TEXT);
        $mform->addElement('text', 'description', get_string('javame_description', 'game'), array('size' => '80'));
        $mform->setDefault('description', $javame->description);
        $mform->setType('description', PARAM_TEXT);
        $mform->addElement('text', 'version', get_string('javame_version', 'game'), array('size' => '10'));
        $mform->setDefault('version', $javame->version);
        $mform->setType('version', PARAM_TEXT);
        $mform->addElement('text', 'maxpicturewidth', get_string('javame_maxpicturewidth', 'game'), array('size' => '5'));
        $mform->setDefault('maxpicturewidth', $javame->maxpicturewidth);
        $mform->setType('maxpicturewidth', PARAM_INT);
        $mform->addElement('text', 'maxpictureheight', get_string('javame_maxpictureheight', 'game'), array('size' => '5'));
        $mform->setDefault('maxpictureheight', $javame->maxpictureheight);
        $mform->setType('maxpictureheight', PARAM_INT);
        $mform->addElement('hidden', 'q', $game->id);
        $mform->setType('q', PARAM_INT);
        $mform->addElement('hidden', 'target', 'javame');
        $mform->setType('target', PARAM_TEXT);
        $mform->addElement('submit', 'submitbutton', get_string( 'export', 'game'));
        $mform->closeHeaderBefore('submitbutton');
    }
    public function validation($data, $files) {
        global $CFG, $USER, $DB;
        $errors = parent::validation($data, $files);
        return $errors;
    }
    public function export() {
        global $game, $DB;
        $mform = $this->_form;
        $javame = $this->_customdata['javame'];
        $javame->type = optional_param('type', 0, PARAM_ALPHANUM);
        $javame->filename = $mform->getElementValue('filename');
        $javame->icon = $mform->getElementValue('icon');
        $javame->createdby = $mform->getElementValue('createdby');
        $javame->vendor = $mform->getElementValue('vendor');
        $javame->name = $mform->getElementValue('name');
        $javame->description = $mform->getElementValue('description');
        $javame->version = $mform->getElementValue('version');
        $javame->maxpicturewidth = $mform->getElementValue('maxpicturewidth');
        $javame->maxpictureheight = $mform->getElementValue('maxpictureheight');
        if (!($DB->update_record( 'game_export_javame', $javame))) {
            print_error("game_export_javame: not updated id=$javame->id");
        }
        require_once("exportjavame.php");
        game_OnExportJavaME( $game, $javame);
    }
 }
--- a/export/exporthtml.php~
+++ b/export/exporthtml.php~
@ -1,437 +0,0 @@
 <?php
 // This file is part of Moodle - http://moodle.org/
 //
 // Moodle is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // Moodle is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 /*
 * This page export the game to html for games: cross, hangman
 *
 * @author  bdaloukas
 * @package game
 **/
 defined('MOODLE_INTERNAL') || die();
 require_once( "locallib.php");
 require_once( "exportjavame.php");
 function game_onexporthtml( $game, $context, $html) {
    global $CFG;
    $destdir = game_export_createtempdir();
    switch( $game->gamekind) {
        case 'cross';
            game_onexporthtml_cross( $game, $context, $html, $destdir);
            break;
        case 'hangman':
            game_onexporthtml_hangman( $game, $context, $html, $destdir);
            break;
        case 'snakes':
            game_onexporthtml_snakes( $game, $html, $destdir, $context);
            break;
        case 'millionaire':
            game_onexporthtml_millionaire( $game, $context, $html, $destdir);
            break;
    }
    remove_dir( $destdir);
 }
 function game_onexporthtml_cross( $game, $context, $html, $destdir) {
    global $CFG, $DB;
    if ( $html->filename == '') {
        $html->filename = 'cross';
    }
    $filename = $html->filename . '.htm';
    require( "cross/play.php");
    $attempt = game_getattempt( $game, $crossrec, true);
    if ( $crossrec == false) {
        game_cross_new( $game, $attempt->id, $crossm);
        $attempt = game_getattempt( $game, $crossrec);
    }
    $ret = game_export_printheader( $html->title);
    echo "$ret<br>";
    ob_start();
    game_cross_play( 0, $game, $attempt, $crossrec, '', true, false, false, false,
        $html->checkbutton, true, $html->printbutton, false, $context);
    $outputstring = ob_get_contents();
    ob_end_clean();
    $course = $DB->get_record( 'course', array( 'id' => $game->course));
    $filename = $html->filename . '.htm';
    file_put_contents( $destdir.'/'.$filename, $ret . "\r\n" . $outputstring);
    $filename = game_onexporthtml_cross_repair_questions( $game, $context, $filename, $destdir);
    game_send_stored_file( $filename);
 }
 function game_onexporthtml_cross_repair_questions( $game, $context, $filename, $destdir) {
    global $CFG, $DB;
    $filehandle = fopen( $destdir.'/'.$filename, "rb");
    $found = false;
    $files = array();
    $contextcourse = false;
    $linesbefore = array();
    $linesafter = array();
    while (!feof($filehandle) ) {
        $line = fgets( $filehandle);
        if ($found) {
            if ( strpos( $line, 'new Array')) {
                $linesafter[] = $line;
                break;
            }
            $array .= $line;
            continue;
        }
        if (strpos( $line, 'Clue = new Array') === false) {
            $linesbefore[] = $line;
            continue;
        }
        $array = $line;
        $found = true;
    }
    while (!feof($filehandle) ) {
        $linesafter[] = fgets( $filehandle);
    }
    fclose($filehandle);
    $search = $CFG->wwwroot.'/pluginfile.php';
    $pos = 0;
    $search = '"'.$CFG->wwwroot.'/pluginfile.php/'.$context->id.'/mod_game/';
    $len = strlen( $search);
    $start = 0;
    $filescopied = false;
    for (;;) {
        $pos1 = strpos( $array, $search, $start);
        if ( $pos1 == false) {
            break;
        }
        $pos2 = strpos( $array, '\"', $pos1 + $len);
        if ( $pos2 == false) {
            break;
        }
        // Have to copy the files.
        if ($contextcourse === false) {
            mkdir( $destdir.'/images');
            if (!$contextcourse = get_context_instance(CONTEXT_COURSE, $game->course)) {
                print_error('nocontext');
            }
            $fs = get_file_storage();
        }
        $inputs = explode( '/', substr( $array, $pos1 + $len, $pos2 - $pos1 - $len));
        $filearea = $inputs[ 0];
        $id = $inputs[ 1];
        $fileimage = urldecode( $inputs[ 2]);
        $component = 'question';
        $params = array( 'component' => $component, 'filearea' => $filearea,
            'itemid' => $id, 'filename' => $fileimage, 'contextid' => $context, 'contextid' => $contextcourse->id);
        $rec = $DB->get_record( 'files', $params);
        if ( $rec == false) {
            break;
        }
        if (!$file = $fs->get_file_by_hash($rec->pathnamehash) or $file->is_directory()) {
            continue;
        }
        $posext = strrpos( $fileimage, '.');
        $filenoext = substr( $fileimage, $posext);
        $ext = substr( $fileimage, $posext + 1);
        for ($i = 0;; $i++) {
            $newfile = $filenoext.$i;
            $newfile = md5( $newfile).'.'.$ext;
            if (!array_search( $newfile, $files)) {
                break;
            }
        }
        $file->copy_content_to( $destdir.'/images/'.$newfile);
        $filescopied = true;
        $array = substr( $array, 0, $pos1 + 1).'images/'.$newfile.substr( $array, $pos2);
    }
    if ($filescopied == false) {
        return $destdir.'/'.$filename;
    }
    $linesbefore[] = $array;
    foreach ($linesafter as $line) {
        $linesbefore [] = $line;
    }
    file_put_contents( $destdir.'/'.$filename, $linesbefore);
    $pos = strrpos( $filename, '.');
    if ($pos === false) {
        $filezip = $filename.'.zip';
    } else {
        $filezip = substr( $filename, 0, $pos).'.zip';
    }
    $filezip = game_create_zip( $destdir, $game->course, $filezip);
    return $filezip;
 }
 function game_export_printheader( $title, $showbody=true) {
    $ret = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'."\n";
    $ret .= '<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="el" xml:lang="el">'."\n";
    $ret .= "<head>\n";
    $ret .= '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'."\n";
    $ret .= '<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">'."\n";
    $ret .= "<title>$title</title>\n";
    $ret .= "</head>\n";
    if ($showbody) {
        $ret .= "<body>";
    }
    return $ret;
 }
 function game_onexporthtml_hangman( $game, $context, $html, $destdir) {
    global $CFG, $DB;
    if ($html->filename == '') {
        $html->filename = 'hangman';
    }
    if ($game->param10 <= 0) {
        $game->param10 = 6;
    }
    $filename = $html->filename . '.htm';
    $ret = game_export_printheader( $html->title, false);
    $ret .= "\r<body onload=\"reset()\">\r";
    $exportattachment = ( $html->type == 'hangmanp');
 print_r( $game);
    $map = game_exmportjavame_getanswers( $game, $context, $exportattachment, $destdir, $files);
    if ($map == false) {
        print_error( get_string('no_words', 'game'));
    }
    ob_start();
    // Here is the code of hangman.
    require_once( "exporthtml_hangman.php");
    $outputstring = ob_get_contents();
    ob_end_clean();
    $courseid = $game->course;
    $course = $DB->get_record( 'course', array( 'id' => $courseid));
    $filename = $html->filename . '.htm';
    file_put_contents( $destdir.'/'.$filename, $ret . "\r\n" . $outputstring);
    if ($html->type != 'hangmanp') {
        // Not copy the standard pictures when we use the "Hangman with pictures".
        $src = $CFG->dirroot.'/mod/game/pix/hangman/1';
        $handle = opendir( $src);
        while (false !== ($item = readdir($handle))) {
            if ($item != '.' && $item != '..') {
                if (!is_dir($src.'/'.$item)) {
                    $itemdest = $item;
                    if ( strpos( $item, '.') === false) {
                        continue;
                    }
                    copy( $src.'/'.$item, $destdir.'/'.$itemdest);
                }
            }
        }
    }
    $filezip = game_create_zip( $destdir, $courseid, $html->filename.'.zip');
    game_send_stored_file( $filezip);
 }
 function game_onexporthtml_millionaire( $game, $context, $html, $destdir) {
    global $CFG, $DB;
    if ($html->filename == '') {
        $html->filename = 'millionaire';
    }
    $filename = $html->filename . '.htm';
    $ret = game_export_printheader( $html->title, false);
    $ret .= "\r<body onload=\"Reset();\">\r";
    // Here is the code of millionaire.
    require( "exporthtml_millionaire.php");
    $questions = game_millionaire_html_getquestions( $game, $context, $maxanswers, $maxquestions, $retfeedback, $destdir, $files);
    ob_start();
    game_millionaire_html_print( $game, $questions, $maxanswers);
    // End of millionaire code.
    $outputstring = ob_get_contents();
    ob_end_clean();
    $courseid = $game->course;
    $course = $DB->get_record( 'course', array( 'id' => $courseid));
    $filename = $html->filename . '.htm';
    file_put_contents( $destdir.'/'.$filename, $ret . "\r\n" . $outputstring);
    // Copy the standard pictures of Millionaire.
    $src = $CFG->dirroot.'/mod/game/pix/millionaire/1';
    $handle = opendir( $src);
    while (false !== ($item = readdir($handle))) {
        if ($item != '.' && $item != '..') {
            if (!is_dir($src.'/'.$item)) {
                $itemdest = $item;
                if (strpos( $item, '.') === false) {
                    continue;
                }
                copy( $src.'/'.$item, $destdir.'/'.$itemdest);
            }
        }
    }
    $filezip = game_create_zip( $destdir, $courseid, $html->filename.'.zip');
    game_send_stored_file($filezip);
 }
 function game_onexporthtml_snakes( $game, $html, $destdir, $context) {
    require_once( "exporthtml_millionaire.php");
    global $CFG, $DB;
    if ($html->filename == '') {
        $html->filename = 'snakes';
    }
    $filename = $html->filename . '.htm';
    $ret = '';
    $board = game_snakes_get_board( $game);
    if ( ($game->sourcemodule == 'quiz') or ($game->sourcemodule == 'question')) {
        $questionsm = game_millionaire_html_getquestions( $game, $context, $maxquestions,
            $countofquestionsm, $retfeedback, $destdir, $files);
    } else {
        $questionsm = array();
        $countofquestionsm = 0;
        $retfeedback = '';
    }
    $questionss = game_exmportjavame_getanswers( $game, $context, false, $destdir, $files);
    ob_start();
    // Here is the code of Snakes and Ladders.
    require( "exporthtml_snakes.php");
    $outputstring = ob_get_contents();
    ob_end_clean();
    $courseid = $game->course;
    $course = $DB->get_record( 'course', array( 'id' => $courseid));
    $filename = $html->filename . '.htm';
    file_put_contents( $destdir.'/'.$filename, $ret . "\r\n" . $outputstring);
    $src = $CFG->dirroot.'/mod/game/export/html/snakes';
    game_copyfiles( $src, $destdir);
    mkdir( $destdir .'/css');
    $src = $CFG->dirroot.'/mod/game/export/html/snakes/css';
    game_copyfiles( $src, $destdir.'/css');
    mkdir( $destdir .'/js');
    $src = $CFG->dirroot.'/mod/game/export/html/snakes/js';
    game_copyfiles( $src, $destdir.'/js');
    unzip_file($destdir.'/js/js.zip', $destdir.'/js', false);
    unlink( $destdir.'/js/js.zip');
    mkdir( $destdir .'/images');
    $destfile = $destdir.'/images/'.$board->fileboard;
    if ( $game->param3 != 0) {
        // Is a standard board.
        copy( $board->imagesrc, $destfile);
    } else {
        $cmg = get_coursemodule_from_instance('game', $game->id, $game->course);
        $modcontext = get_context_instance(CONTEXT_MODULE, $cmg->id);
        $fs = get_file_storage();
        $files = $fs->get_area_files($modcontext->id, 'mod_game', 'snakes_board', $game->id);
        foreach ($files as $f) {
            if ( $f->is_directory()) {
                continue;
            }
            break;
        }
        $f->copy_content_to( $destfile);
    }
    $a = array( 'player1.png', 'dice1.png', 'dice2.png', 'dice3.png', 'dice4.png', 'dice5.png', 'dice6.png', 'numbers.png');
    foreach ($a as $file) {
        copy( $CFG->dirroot.'/mod/game/snakes/1/'.$file, $destdir.'/images/'.$file);
    }
    $filezip = game_create_zip( $destdir, $courseid, $html->filename.'.zip');
    game_send_stored_file($filezip);
 }
 function game_copyfiles( $src, $destdir) {
    $handle = opendir( $src);
    while (($item = readdir($handle)) !== false) {
        if ( $item == '.' or $item == '..') {
            continue;
        }
        if ( strpos( $item, '.') === false) {
            continue;
        }
        if (is_dir($src.'/'.$item)) {
            continue;
        }
        copy( $src.'/'.$item, $destdir.'/'.$item);
    }
    closedir($handle);
 }
--- a/export/exporthtml_snakes.php
+++ b/export/exporthtml_snakes.php
@ -113,6 +113,7 @@ pawn_height [0]= 40;
 echo "var countofquestionsM=$countofquestionsm;\r\n";
 echo 'var countofquestionsS='.count($questionss).";\r\n";
 $questionsm = '';
 foreach ($questionss as $line) {
    $s = $line->question.'#'.str_replace( array( '"', '#'), array( "'", ' '), $line->answer);
    if ($questionsm != '') {
--- a/exporthtml_hangman.php
+++ b/exporthtml_hangman.php
@ -1,372 +0,0 @@
 <?php
 // This file is part of Moodle - http://moodle.org/
 //
 // Moodle is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // Moodle is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 /*
 * This page export the game hangman to html
 *
 * @author  bdaloukas
 * @package game
 **/
 defined('MOODLE_INTERNAL') || die();
 ?>
 <script type="text/javascript">
 // Hangman for Moodle by Vasilis Daloukas.
 // The script is based on HangMan II script- By Chris Fortey (http://www.c-g-f.net/)
 var can_play = true;
 <?php
 $destdir = game_export_createtempdir();
 $exportattachment = ( $html->type == 'hangmanp');
 $map = game_exmportjavame_getanswers( $game, $context, $exportattachment, $destdir, $files);
 if ($map == false) {
    print_error( 'No Questions');
 }
 $questions = '';
 $words = '';
 $lang = '';
 $allletters = '';
 $images = '';
 foreach ($map as $line) {
    $answer = game_upper( $line->answer);
    if ($game->param7) {
        // Have to delete space.
        $answer = str_replace(' ', '', $answer);
    }
    if ($game->param8) {
        // Have to deletε -.
        $answer = str_replace('-', '', $answer);
    }
    if ($lang == '') {
        $lang = $game->language;
        if ($lang == '') {
            $lang = game_detectlanguage( $answer);
        }
        if ($lang == '') {
            $lang = current_language();
        }
        $allletters = game_getallletters( $answer, $lang);
    }
    if (game_getallletters( $answer, $lang) != $allletters) {
        continue;
    }
    if ($html->type == 'hangmanp') {
        $file = $line->attachment;
        $pos = strrpos( $file, '.');
        if ($pos == false) {
            continue;
        }
    }
    if ($html->type == 'hangmanp') {
        $src = $line->attachment;
        $pos = strrpos( $file, '.');
        if ($pos == false) {
            continue;
        }
    }
    if ($questions != '') {
        $questions .= ', ';
    }
    if ($words != '') {
        $words .= ', ';
    }
    $questions .= '"'.base64_encode( $line->question).'"';
    $words .= '"'.base64_encode( $line->answer).'"';
    if ($html->type == 'hangmanp') {
        $file = $line->id.substr( $file, $pos);
        game_export_javame_smartcopyimage( $src, $destdir.'/'.$file, $html->maxpicturewidth, $html->maxpictureheight);
        if ($images != '') {
            $images .= ', ';
        }
        $images .= '"'.$file.'"';
    }
 }
 if ($game->param7) {
    $allletters .= '_';
 }
 if ($game->param8) {
    $allletters .= '-';
 }
 echo "var questions = new Array($questions);\r";
 echo "var words = new Array($words);\r";
 if ($html->type == 'hangmanp') {
    echo "var images = new Array($images);\r";
 }
 ?>
 var to_guess = "";
 var display_word = "";
 var used_letters = "";
 var wrong_guesses = 0;
 var used_letters_all = "";
 var all_letters = new Array(<?php
 $len = game_strlen( $allletters);
 for ($i = 0; $i < $len; $i++) {
    if ($i > 0) {
        echo ',';
    }
    echo '"'.game_substr( $allletters, $i, 1).'"';
 }
 ?>);
 function selectLetter(l)
 {
    if (can_play == false)
    {
    }
    if (used_letters.indexOf(l) != -1)
    {
        return;
    }
    used_letters_all += l;
    if( to_guess.indexOf(l) == -1) {
        used_letters += l;
        document.getElementById('usedLetters').innerHTML = used_letters;
    }
    if (to_guess.indexOf(l) != -1) {
        // correct letter guess
        pos = 0;
        temp_mask = display_word;
        while (to_guess.indexOf(l, pos) != -1) {
            pos = to_guess.indexOf(l, pos);
            end = pos + 1;
            start_text = temp_mask.substring(0, pos);
            end_text = temp_mask.substring(end, temp_mask.length);
            temp_mask = start_text + l + end_text;
            pos = end;
        }
        display_word = temp_mask;
        document.getElementById('displayWord').innerHTML=display_word;
        if (display_word.indexOf("#") == -1) {
            // won
            alert( "<?php echo game_get_string_lang( 'win', 'game', $lang); ?>");
            can_play = false;
            reset();
        }
    } else {
        wrong_guesses++;
 <?php
 if ($html->type != 'hangmanp') {
 ?>eval("document.hm.src=\"hangman_" + wrong_guesses + ".jpg\"");
        // Ιncortect letter guess.
        eval("document.hm.src=\"hangman_" + wrong_guesses + ".jpg\"");
 <?php
 }
 ?>
        if (wrong_guesses == <?php echo $game->param10 + 1;?>) {
            // lost
            alert( "<?php echo strip_tags( game_get_string_lang( 'hangman_loose', 'game', $lang)); ?>");
            can_play = false;
            reset();
        }
    }
    showallletters();
 }
 function stripHTML(oldString) {
  return oldString.replace(/<&#91;^>&#93;*>/g, "");
 }
 function reset() {
    selectWord();
    document.getElementById('usedLetters').innerHTML = "&nbsp;";
    used_letters = "";
    used_letters_all = "";
    wrong_guesses = 0;
    showallletters();
 <?php
 if ($html->type != 'hangmanp') {
    echo '    document.hm.src="hangman_0.jpg"'."\r";
 }
 ?>
 }
 function showallletters() {
    var letters = "";
    var next =  all_letters.length / 4;
    var letter = "";
    for( i=0; i < all_letters.length; i++) {
        if( i > next) {
            next += all_letters.length / 4;
            letters += " ";
        }
        letter = all_letters[ i];
        if( used_letters_all.length > 0) {
            if( used_letters_all.indexOf( letter) > -1) {
                continue;
            }
        }
        letters = letters + "<a href=\"javascript:selectLetter('" + letter + "');\">" + letter + "</a>"
    }
    document.getElementById( "letters").innerHTML = letters;
 }
 function selectWord() {
    can_play = true;
    random_number = Math.round(Math.random() * (words.length - 1));
    to_guess =  Base64.decode( words[random_number]);
    to_question = Base64.decode( questions[random_number]);
    // Display masked word.
    masked_word = createMask(to_guess);
    document.getElementById('displayWord').innerHTML=masked_word;
    display_word = masked_word;
 <?php
 if ($html->type == 'hangmanp') {
    echo "    document.hm.src = images[ random_number];\r";
 } else {
    echo "    document.getElementById('question').innerHTML=to_question;\r";
 }
 ?>
 }
 function createMask(m)
 {
    mask = "";
    word_lenght = m.length;
    for (i = 0; i < word_lenght; i++) {
        mask += "#";
    }
    return mask;
 }
 /**
 *
 *  Base64 encode / decode
 *  http://www.webtoolkit.info/
 *
 **/
 var Base64 = {
    // Private property.
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    // Public method for decoding.
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        while (i < input.length) { 
            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));
            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;
            output = output + String.fromCharCode(chr1);
            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }
        }
        output = Base64._utf8_decode(output);
        return output; 
    }, 
    // Private method for UTF-8 decoding.
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while ( i < utftext.length ) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            } else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            } else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            } 
        }
        return string;
    } 
 }
 </script>
 </head>
 <div id="question"></div>
 <img src="<?php echo ($html->type == 'hangmanp' ? '' : 'hangman_0.jpg');?>" name="hm"> 
 <a href="javascript:reset();"><?php echo game_get_string_lang( 'html_hangman_new', 'game', $lang); ?></a>
 <form name="game">
 <div id="displayWord"> </div>
 <div id="usedLetters"> </div>
 </form>
 <div id="letters"></div>
 </body>
--- a/exporthtml_millionaire.php
+++ b/exporthtml_millionaire.php
@ -1,518 +0,0 @@
 <?php
 // This file is part of Moodle - http://moodle.org/
 //
 // Moodle is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // Moodle is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 /**
 * This page export the game millionaire to html
 *
 * @author  bdaloukas
 * @package game
 **/
 defined('MOODLE_INTERNAL') || die();
 function game_millionaire_html_getquestions( $game, $context, &$maxanswers, &$countofquestions, &$retfeedback, $destdir, &$files) {
    global $CFG, $DB, $USER;
    $maxanswers = 0;
    $countofquestions = 0;
    $files = array();
    if ( ($game->sourcemodule != 'quiz') and ($game->sourcemodule != 'question')) {
        print_error( get_string('millionaire_sourcemodule_must_quiz_question', 'game', get_string( 'modulename', 'quiz')).
            ' '.get_string( 'modulename', $game->sourcemodule));
    }
    if ( $game->sourcemodule == 'quiz') {
        if ( $game->quizid == 0) {
            print_error( get_string( 'must_select_quiz', 'game'));
        }
        $select = "qtype='multichoice' AND quiz='$game->quizid' ".
            " AND qqi.question=q.id";
        $table = "{question} q,{quiz_question_instances} qqi";
    } else {
        if ( $game->questioncategoryid == 0) {
            print_error( get_string( 'must_select_questioncategory', 'game'));
        }
        // Include subcategories.
        $select = 'category='.$game->questioncategoryid;
        if ( $game->subcategories) {
            $cats = question_categorylist( $game->questioncategoryid);
            if (strpos( $cats, ',') > 0) {
                $select = 'category in ('.$cats.')';
            }
        }
        $select .= " AND qtype='multichoice'";
        $table = "{question} q";
    }
    $select .= " AND q.hidden=0";
    $sql = "SELECT q.id as id, q.questiontext FROM $table WHERE $select";
    $recs = $DB->get_records_sql( $sql);
    $ret = '';
    $retfeedback = '';
    foreach ($recs as $rec) {
        $recs2 = $DB->get_records( 'question_answers', array( 'question' => $rec->id), 'fraction DESC', 'id,answer,feedback');
        // Must parse the questiontext and get the name of files.
        $line = $rec->questiontext;
        $line = game_export_split_files( $game->course, $context, 'questiontext', $rec->id, $rec->questiontext, $destdir, $files);
        $linefeedback = '';
        foreach ($recs2 as $rec2) {
            $line .= '#'.str_replace( array( '"', '#'), array( "'", ' '),
                game_export_split_files( $game->course, $context, 'answer', $rec2->id, $rec2->answer, $destdir, $files));
            $linefeedback .= '#'.str_replace( array( '"', '#'), array( "'", ' '), $rec2->feedback);
        }
        if ( $ret != '') {
            $ret .= ",\r";
        }
        $ret .= '"'.base64_encode( $line).'"';
        if ( $retfeedback != '') {
            $retfeedback .= ",\r";
        }
        $retfeedback .= '"'.base64_encode( $linefeedback).'"';
        if ( count( $recs2) > $maxanswers) {
            $maxanswers = count( $recs2);
        }
        $countofquestions++;
    }
    return $ret;
 }
 function game_millionaire_html_print( $game,  $questions, $maxquestions) {
    $color1 = 'black';
    $color2 = 'DarkOrange';
    $colorback = "white";
    $stylequestion = "background:$colorback;color:$color1";
    $stylequestionselected = "background:$colorback;color:$color2";
 ?>
 <body onload="Reset();">
 <script type="text/javascript">
    // Millionaire for Moodle by Vasilis Daloukas.    
    <?php echo 'var questions = new Array('.$questions.");\r"; ?>
    var current_question = 0;
    var level = 0;
    var posCorrect = 0;
    var infoCorrect = "";
    var flag5050 = 0;
    var flagTelephone = 0;
    var flagPeople = 0;
    var countQuestions = 0;
    var maxQuestions = <?php echo $maxquestions;?>;
    function Highlite( ans) {
        document.getElementById( "btAnswer" + ans).style.backgroundColor = '<?php echo $color2;?>';
    }
    function Restore( ans) {
        document.getElementById( "btAnswer" + ans).style.backgroundColor = '<?php echo $colorback;?>';
    }
    function OnSelectAnswer( ans) {
        if ( posCorrect == ans) {
            if( level+1 > 15) {
                alert( "<?php echo get_string( 'win', 'game');?>");
                Reset();
            } else {
                UpdateLevel( level+1);
                SelectNextQuestion();
            }
        } else {
            OnGameOver( ans);
        }
    }
    function OnGameOver( ans) {
        document.getElementById( "info").innerHTML = "<?php echo get_string( 'millionaire_info_wrong_answer', 'game');?> " +
            document.getElementById( "lblAnswer" + posCorrect).innerHTML;
        Highlite( posCorrect);
        Restore( ans);
        document.getElementById( "lblAnswer" + posCorrect).style.backgroundColor = '<?php echo $color2;?>';
        alert( "<?php echo strip_tags( get_string( 'hangman_loose', 'game')); ?>");
        Restore( posCorrect); 
        document.getElementById( "lblAnswer" + posCorrect).style.backgroundColor = '<?php echo $colorback;?>';
        Reset();
    }
    function UpdateLevel( newlevel) {
        if ( level > 0) {
            document.getElementById( "levela" + level).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levelb" + level).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levelc" + level).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levela" + level).style.color = "<?php echo $color1;?>";
            document.getElementById( "levelb" + level).style.color = "<?php echo $color1;?>";
            document.getElementById( "levelc" + level).style.color = "<?php echo $color1;?>";
        }
        level = newlevel;
        document.getElementById( "levela" + level).bgColor = "<?php echo $color2;?>";
        document.getElementById( "levelb" + level).bgColor = "<?php echo $color2;?>";
        document.getElementById( "levelc" + level).bgColor = "<?php echo $color2;?>";
        document.getElementById( "levela" + level).style.color = "<?php echo $colorback;?>";
        document.getElementById( "levelb" + level).style.color = "<?php echo $colorback;?>";
        document.getElementById( "levelc" + level).style.color = "<?php echo $colorback;?>";
   }
    function OnHelp5050( ans) {
        if (flag5050) {
            return;
        }
        document.getElementById( "Help5050").src = "5050x.png";
        flag5050 = 1;
        for (pos = posCorrect;pos == posCorrect;pos = 1+Math.floor(Math.random()*countQuestions));
        for (i=1; i <= countQuestions; i++) {   
            if( (i != pos) && (i != posCorrect)) {         
                document.getElementById( "lblAnswer" + i).style.visibility = 'hidden';
                document.getElementById( "btAnswer" + i).style.visibility = 'hidden';
            }
        }
    }
    function OnHelpTelephone( ans) {
        if( flagTelephone) {
            return;
        }
        flagTelephone = 1;
        document.getElementById( "HelpTelephone").src = "telephonex.png";
        if (countQuestions < 2) {
            wrong = posCorrect;
        } else {
            for(;;) {
                wrong = 1 + Math.floor(Math.random() * countQuestions);
                if ( wrong != posCorrect) {
                    break;
               }
            }
        }
        // With 80% gives the correct answer.
        if (Math.random() <= 0.8) {
            pos = posCorrect;
        } else {
            pos = wrong;
        }
        info = "<?php echo get_string( 'millionaire_info_telephone', 'game').'<br><b>';?> ";
        info += document.getElementById( "lblAnswer" + pos).innerHTML;
        document.getElementById( "info").innerHTML = info;
    }
    function OnHelpPeople( ans) {
        if( flagPeople) {
            return;
        }
        flagPeople = 1;
        document.getElementById( "HelpPeople").src = "peoplex.png";
        sum = 0;
        var aPercent = new Array();
        for( i = 0; i < countQuestions-1; i++) {
            percent = Math.floor(Math.random()*(100-sum));
            aPercent[ i] = percent;
            sum += percent;
        }
        aPercent[ countQuestions - 1] = 100 - sum;
        if( Math.random() <= 0.8) {
            //with percent 80% sets in the correct answer the biggest percent
            max_pos = 0;
            for( i=1; i < countQuestions; i++) {
                if( aPercent[ i] >= aPercent[ max_pos])
                    max_pos = i;
            }
            temp = aPercent[ max_pos];
            aPercent[ max_pos] = aPercent[ posCorrect-1];
            aPercent[ posCorrect-1] = temp;
        }
        var letters = "<?php echo get_string( 'lettersall', 'game');?>";
        info = "<?php echo '<br>'.get_string( 'millionaire_info_people', 'game').':<br>';?>";
        for( i=0; i < countQuestions; i++) {
            info += "<br>" + letters.charAt( i) + " : " + aPercent[ i] + " %";
        }
        document.getElementById( "info").innerHTML = info;
    }
    function OnQuit( ans) {
        Reset();
    }
    function Reset() {
        for(i=1; i <= 15; i++) {
            document.getElementById( "levela" + i).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levelb" + i).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levelc" + i).bgColor = "<?php echo $colorback;?>";
            document.getElementById( "levela" + i).style.color = "<?php echo $color1;?>";
            document.getElementById( "levelb" + i).style.color = "<?php echo $color1;?>";
            document.getElementById( "levelc" + i).style.color = "<?php echo $color1;?>";
        }
        flag5050 = 0;
        flagTelephone = 0;
        flagPeople = 0;
        document.getElementById( "Help5050").src = "5050.png";
        document.getElementById( "HelpPeople").src = "people.png";
        document.getElementById( "HelpTelephone").src = "telephone.png";
        document.getElementById( "info").innerHTML = "";
        UpdateLevel( 1);
        SelectNextQuestion();
    }
    function RandomizeAnswers( elements) {
        posCorrect = 1;
        countQuestions = elements.length-1;
        for( i=1; i <= countQuestions; i++) {
            pos = 1+Math.floor(Math.random()*countQuestions);
            if( posCorrect == i) {
                posCorrect = pos;
            } else if ( posCorrect == pos)
                posCorrect = i;
            var temp = elements[ i];
            elements[ i] = elements[ pos];
            elements[ pos] = temp;
        }
    }
    function SelectNextQuestion() {   
        current_question = Math.floor(Math.random()*questions.length);
        question = Base64.decode( questions[ current_question]);
        var elements = new Array();
        elements = question.split('#');
        RandomizeAnswers( elements);
        document.getElementById( "question").innerHTML = elements[ 0];
        for( i=1; i < elements.length; i++) {
            document.getElementById( "lblAnswer" + i).innerHTML = elements[ i];
            document.getElementById( "lblAnswer" + i).style.visibility = 'visible';
            document.getElementById( "btAnswer" + i).style.visibility = 'visible';
        }
        for( i=elements.length; i<= maxQuestions; i++) {
            document.getElementById( "lblAnswer" + i).style.visibility = 'hidden';
            document.getElementById( "btAnswer" + i).style.visibility = 'hidden';
        }
        document.getElementById( "info").innerHTML = "";
    }
 /**
 *
 *  Base64 encode / decode
 *  http://www.webtoolkit.info/
 *
 **/
 var Base64 = {
    // Private property.
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    // Public method for decoding.
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        while (i < input.length) {
            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));
            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;
            output = output + String.fromCharCode(chr1);
            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }
        }
        output = Base64._utf8_decode(output);
        return output;
    }, 
    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while ( i < utftext.length ) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            } else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            } else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }
        }
        return string;
    }
 }
 </script>
 <table cellpadding=0 cellspacing=0 border=0>
 <tr style='background:#408080'>
 <td rowspan=<?php echo 17 + $maxquestions;?>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 <td colspan=6>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 <td rowspan=<?php echo 17 + $maxquestions;?>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 </tr>
 <tr height=10%>
 <td style='background:#408080' rowspan=3 colspan=2>
 <input type="image"  name="Help5050" id="Help5050" Title="50 50" src="5050.png" alt="" border="0" onmousedown=OnHelp5050();>&nbsp;
 <input type="image" name="HelpTelephone"  id="HelpTelephone" Title="<?php echo get_string( 'millionaire_telephone', 'game');?>" 
    src="telephone.png" alt="" border="0" onmousedown="OnHelpTelephone();">&nbsp;
 <input type="image" name="HelpPeople"  id="HelpPeople" Title="<?php echo get_string( 'millionaire_helppeople', 'game');?>" 
    src="people.png" alt="" border="0" onmousedown="OnHelpPeople();">&nbsp;
 <input type="image" name="Quit" id="Quit" Title="<?php echo get_string( 'millionaire_quit', 'game');?>" 
    src="x.png" alt="" border="0" onmousedown=OnQuit();>&nbsp;
 </td>
 <td rowspan=<?php echo 16 + $maxquestions;?> style='background:#408080'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 <td id="levela15" align=right>15</td>
 <td id="levelb15">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 <td id="levelc15" align=right>    150000</td>
 </tr>
 <tr><td id="levela14" align=right>14</td>
 <td id="levelb14"></td><td id="levelc14" align=right>       800000</td>
 </tr>
 <tr><td id="levela13" align=right>13</td>
 <td id="levelb13"></td><td id="levelc13" align=right>       400000</td>
 </tr>
 <tr><td rowspan=12 colspan=2 valign=top style='background:<?php echo $colorback;?>;color:<?php echo $color1;?>'>
    <div id="question">aa</div></td>
 <td id="levela12" align=r0ight>12</div></td>
 <td id="levelb12"></td><td id="levelc12" align=right>       200000</td>
 </tr>
 <tr><td id="levela11" align=right>11</td>
 <td id="levelb11"></td><td id="levelc11" align=right>       10000</td>
 </tr>
 <tr><td id="levela10" align=right>10</td>
 <td id="levelb10"></td><td id="levelc10" align=right>       5000</td>
 </tr>
 <tr><td id="levela9" align=right>9</td>
 <td id="levelb9"></td><td id="levelc9" align=right>       4000</td>
 </tr>
 <tr><td id="levela8" align=right>8</td>
 <td id="levelb8"></td><td id="levelc8" align=right>       2000</td>
 </tr>
 <tr><td id="levela7" align=right>7</td>
 <td id="levelb7"></td><td id="levelc7" align=right>       1500</td>
 </tr>
 <tr><td id="levela6" align=right>6</td>
 <td id="levelb6"></td><td id="levelc6" align=right>       1000</td>
 </tr>
 <tr><td id="levela5" align=right>5</td>
 <td id="levelb5"></td><td id="levelc5" align=right>       500</td>
 </tr>
 <tr><td id="levela4" align=right>4</td>
 <td id="levelb4"></td><td id="levelc4" align=right>       400</td>
 </tr>
 <tr><td id="levela3" align=right>3</td>
 <td id="levelb3"></td><td id="levelc3" align=right>       300</td>
 </tr>
 <tr><td id="levela2" align=right>2</td>
 <td id="levelb2"></td><td id="levelc2" align=right>       200</td>
 </tr>
 <tr><td id="levela1" align=right>1</td>
 <td id="levelb1"></td><td id="levelc1" align=right>       100</td>
 </tr>
 <tr style='background:#408080'><td colspan=10>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
 </tr>
 <?php
 $letters = get_string( 'lettersall', 'game');
 for ($i = 1; $i <= $maxquestions; $i++) {
    $s = game_substr( $letters, $i - 1, 1);
    echo "<tr>\n";
    echo "<td style='background:$colorback;color:$color1'>";
    echo "<input style=\"background:$colorback;color:$color1;\"
        type=\"submit\" name=\"btAnswer$i\" value=\"$s\" id=\"btAnswer$i\"";
    echo " onmouseover=\"Highlite( $i);\" onmouseout=\"Restore( $i);\"  onmousedown=\"OnSelectAnswer( $i);\">";
    echo "</td>\n";
    echo "<td style=\"background:$colorback;color:$color1;\" width=100%> &nbsp; <span id=lblAnswer$i
        style=\"background:$colorback;color:$color1\"
        onmouseover=\"Highlite($i);\r \n\" onmouseout=\"Restore( $i);\" onmousedown=\"OnSelectAnswer( $i);\"></span></td>\n";
    if ( $i == 1) {
        echo "<td style='background:#408080' rowspan=".$maxquestions." colspan=3><div id=\"info\"></div></td>\n";
    }
    echo "</tr>\n";
 }
 ?>
 <tr><td colspan=10 style='background:#408080'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td></tr>
 </table>
 </body>
 </html>
 <?php
 }
--- a/exporthtml_snakes.php
+++ b/exporthtml_snakes.php
@ -1,519 +0,0 @@
 <?php
 // This file is part of Moodle - http://moodle.org/
 //
 // Moodle is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // Moodle is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 /*
 * This page export the game snakes to html
 *
 * @author  bdaloukas
 * @package game
 **/
 defined('MOODLE_INTERNAL') || die();
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title><?php echo $html->title;?></title>
 <link href="css/game.css" rel="stylesheet" type="text/css" />
 <link rel="stylesheet" type="text/css" href="css/subModal.css" />
    <script type="text/javascript" src="js/common.js"></script>
    <script type="text/javascript" src="js/subModal.js"></script>
 <style type="text/css">
 #pawn
 {
    position:absolute;
 }
 img
 {
    border:hidden
 }
 body
 { 
    background: #999 url('images/backdropJungle.png') no-repeat fixed left top;
 }
 .score {
    color: #FC3; 
    font-size: 40px;
 }
 </style>
 </head>
 <body>
 <script language="JavaScript">
 // Snakes for Moodle by Maria Rigkou.
 var boards = 1;
 var board_images = new Array( boards);
 var board_names = new Array( boards);
 var pawn_width = new Array(boards);
 var pawn_height = new Array(boards);
 var board_cols = new Array(boards);
 var board_rows = new Array(boards);
 var board_contents = new Array (boards);
 var board_headerx = new Array(boards);
 var board_headery = new Array(boards);
 var board_footerx = new Array(boards);
 var board_footery = new Array(boards);
 var board_width = new Array(boards);
 var board_height = new Array(boards);
 var board_data = new Array(boards); 
 var pawn_width = new Array(boards); 
 var pawn_height = new  Array(boards); 
 var current_board = 0;
 var current_position=0;
 var current_quest = 0;
 var mchoice_count = 0;
 var mchoice_positions =new Array( 1);
 var quest_text = "";    //Question
 var quest_resp = "";    // Answer
 var quest_feedb = "";   // feedback
 var quest_total = 25; // Count of questions
 board_names[ 0] = "<?php echo $game->name; ?>";
 board_images[ 0] = '<?php echo $board->fileboard; ?>';
 board_cols [0] = <?php echo $board->cols; ?>;
 board_rows [0] = <?php echo $board->rows; ?>;
 board_contents [0] = '<?php echo $board->data; ?>';
 board_headerx [0] = <?php echo $board->headerx; ?>;
 board_headery [0] = <?php echo $board->headery; ?>;
 board_footerx [0] = <?php echo $board->footerx; ?>;
 board_footery [0] = <?php echo $board->footery; ?>;
 board_width [0] = <?php echo $board->width; ?>;
 board_height [0] = <?php echo $board->height; ?>;
 pawn_width [0] = 40;
 pawn_height [0]= 40;
 <?php
 echo "var countofquestionsM=$countofquestionsm;\r\n";
 echo 'var countofquestionsS='.count($questionss).";\r\n";
 foreach ($questionss as $line) {
    $s = $line->question.'#'.str_replace( array( '"', '#'), array( "'", ' '), $line->answer);
    if ($questionsm != '') {
        $questionsm .= ",\r";
    }
    $questionsm .= '"'.base64_encode( game_upper( $s)).'"';
    $s = '#'.str_replace( array( '"', '#'), array( "'", ' '), $line->feedback);
    if ($retfeedback != '') {
        $retfeedback .= ",\r";
    }
    $retfeedback .= '"'.base64_encode( $s).'"';
 }
 $rettimesasked = '';
 for ($i = 0; $i < $countofquestionsm + count($questionss); $i++) {
    $rettimesasked .= ',0';
 }
 $rettimesasked = substr( $rettimesasked, 1);
 echo "var questions=new Array( $questionsm);\r\n";
 echo "var feedbacks=new Array( $retfeedback);\r\n";
 echo "var quest_times_asked=new Array( $rettimesasked); //How many times is used a question\r\n";
 ?>
 var current_dice=0;
 var feedb_correct_S = "<?php print_string( 'html_snakes_correct', 'game'); ?>";
 var feedb_wrong_S = "<?php print_string( 'html_snakes_wrong', 'game'); ?>";
 var str_score = "<?php print_string( 'score', 'game'); ?>";
 var str_check = "<?php print_string( 'html_snakes_check', 'game'); ?>";
 var str_no_selection = "<?php print_string( 'html_snakes_no_selection', 'game'); ?>";
 var correct_ans = 0;    //counter of correct answers
 var all_ans = 0;        //counter of all answers
 var score = 0;
 ShowMainForm();
 display_quest();
 function ShowMainForm()
 {
    var pawn_x =0;
    var pawn_y=0;
    var direction=0;
    var cols = board_cols[current_board];
    var rows = board_rows[current_board];
    var col_width = (board_width[current_board]-board_headerx[current_board]-board_footerx[current_board])/cols;
    var col_height = (board_height[current_board]-board_headery[current_board]-board_footery[current_board])/rows;
    document.write('<img id="boardimage" src="images/meter.png">');
    document.getElementById("boardimage").src = "images/" + board_images[ current_board];
    document.write('<div id="dicecont">&nbsp;</div>');
    if( current_position  >= 0) {
        direction=Math.floor((current_position /cols))%2;
        if (direction == 1) {
            axis_x=(cols-(current_position %cols)-1);
        } else {
            axis_x=current_position %cols;
        }
        axis_y=Math.floor((current_position /rows));
        pawn_x=board_headerx[current_board]+(axis_x*col_width)+(col_width-pawn_width[current_board])/2;
        pawn_y=board_footery[current_board]+pawn_height[current_board]+(axis_y*col_height);
        pawn_y += (col_height-pawn_height[current_board])/2;
        document.write('<div id="pawn1"><img id="pawn" alt="" src="images/player1.png"></div>');
        move_pawn();
    }
 }
 function selectBoard() {
    current_board = document.getElementById("boardtype").value;
    document.getElementById("boardimage").src = "images/" + board_images[ current_board];
 }
 function select_quest() {
    var quest_total = countofquestionsM + countofquestionsS;
    var quest_candidates= new Array();
    var i, q;
    for (i=0;i<3;i++) {
        quest_candidates[i]=Math.floor((Math.random() * quest_total));
    }
    current_quest = quest_candidates[0];
    for (i=1;i<3;i++) {
        if (quest_times_asked[quest_candidates[i]]>quest_times_asked[current_quest])
            current_quest=quest_candidates[i];
    }
    q=Base64decode( questions[ current_quest]);
    quest_resp = decode_multiple_choice( q);
    quest_text = quest_resp[ 0];
    quest_feedb = Base64decode( feedbacks[ current_quest]);
 }
 function IsMultipleChoiceQuestion() {
    return (current_quest < countofquestionsM);
 }
 function check_answer() {
    all_ans=all_ans+1;
    if( IsMultipleChoiceQuestion()) {
        check_answer_M();
    } else {
        check_answer_S();
    }
    move_pawn();
 }
 function check_answer_M() {
    document.getElementById("check_btn").style.display = "none";
    var useranswer;
    var n=document.snakesform.radio_answer.length;
    for(useranswer=0;useranswer < n;useranswer++) {
        if( document.snakesform.radio_answer[ useranswer].checked)
            break;
    }
    if( useranswer >= n) {
        alert( str_no_selection);
        document.getElementById("feedb").innerHTML= "";
        document.getElementById("check_btn").style.display = "block";
        return;
    }
    var feedbacks = decode_multiple_choice(quest_feedb);
    var j;
    for (j=0;j<n;j++) {
        document.snakesform.radio_answer[ j].disabled = "true"; 
    }
    document.getElementById("feedb").innerHTML= feedbacks[ mchoice_positions[useranswer]];
    document.getElementById("feedb").style.display = "block";
    if ( mchoice_positions[ useranswer] == 1) {
        current_position += current_dice;
        correct_ans =correct_ans+1; //calculate new score----
        score = Math.round((correct_ans/all_ans)*100);
        var s = '<strong>'+str_score+': </strong><strong class="score">' +score+ '</strong>';
        document.getElementById("show_score").innerHTML = s;
        check_game_over();
        check_exists_ladder();
    } else {
        score = Math.round((correct_ans/all_ans)*100);
        var s = '<strong>'+str_score+': </strong><strong class="score">' +score+ '</strong>';
        document.getElementById("show_score").innerHTML = s;
        check_exists_snake();
    }
    document.getElementById("OK_btn").style.display = "block";
 }
 function check_answer_S() {
    document.getElementById("answer").disabled = "true";
    document.getElementById("check_btn").style.display = "none";
    if (document.getElementById("answer").value.toUpperCase() == quest_resp[ 1].toUpperCase())  {
        document.getElementById("feedb").style.display = "block";
        current_position += current_dice;
        correct_ans =correct_ans+1; //calculate new score
        score = Math.round((correct_ans/all_ans)*100); 
        var s = '<strong>'+str_score+': </strong><strong class="score">' +score+ '</strong>';
        document.getElementById("show_score").innerHTML = s;
        check_game_over();
        check_exists_ladder();
    } else {
        document.getElementById("feedb_wrong").style.display = "block";
        score = Math.round((correct_ans/all_ans)*100); 
        var s = '<strong>'+str_score+': </strong><strong class="score">' +score+ '</strong>';
        document.getElementById("show_score").innerHTML = s;
        check_exists_snake();
    }
    document.getElementById("OK_btn").style.display = "block";
 }
 function check_game_over() {
    var out=(board_cols[current_board]*board_rows[current_board]);
    if (current_position > out-1) {
        current_position=out-1;
        showPopWin('modalContent.html', 350, 220, returnRefresh); // modal
    }
 }
 function check_exists_ladder() {
    var find = "L" + (current_position+1) + "-";
    var pos = board_contents[ current_board].indexOf( find);
    if( pos < 0) {
        return;
    }
    var s = board_contents[ current_board].substr( pos+find.length)
    pos = s.indexOf( ',');
    if (pos >= 0) {
        s = s.substr( 0, pos);
    }
    current_position = s-1;
 }
 function check_exists_snake() {
    var find = "-" + (current_position+1) + ",";
    var s= ',' +board_contents[ current_board] + ',';
    for(;;) {
        var pos = s.indexOf( find);
        if (pos < 0) {
            return;
        }
        var pos_start = s.lastIndexOf( ',', pos-1);
        var kind = s.substr( pos_start+1, 1);
        if ( kind != "S") {
            s = s.substr( pos+1);
            continue;
        }
        s = s.substr( pos_start+2);
        pos = s.indexOf( '-');
        current_position = s.substr( 0, pos)-1;
        break;
    }
 }
 function decode_multiple_choice(s) {
    var ret = new Array();
    var i=0;
    for(;;) {
        var pos=s.indexOf( '#');
        if( pos < 0) {
            ret[ i++] = s;
            return ret;
        }
        ret[ i++] = s.substr( 0, pos);
        s = s.substr( pos+1);
    }
 }
 function display_quest()  {
    current_dice = Math.floor((Math.random() * 6)) + 1;
    select_quest();
    if( IsMultipleChoiceQuestion()) {
        display_quest_M();
    } else {
        display_quest_S();
    }
 }
 function display_quest_M() {
    s = '<table width="250px"><tr><td><div id="show_dice"> ';
    s = s + '<img src = "images/dice' + current_dice + '.png"> </div> </td>';
    s = s + '<td align=right><div id="show_score" style="color: #FFFFFF; font-weight:bold; font-size: 20px;">';
    s = s + '<strong>'+str_score+': </strong>';
    s = s + '<strong class="score">' +score+ '</strong></div></td></tr></table>';
    s = s + '<div id="question_area">' + quest_text+'</div>';
    s = s + '<form name="snakesform">';
    mchoice_count = quest_resp.length-1;
    mchoice_positions = new Array( mchoice_count);
    for(i=0; i < mchoice_count ; i++) {
        mchoice_positions[ i] = i+1;
    }
    for(i=0; i < mchoice_count ; i++) {
        var j = Math.floor((Math.random() * mchoice_count));
        var temp = mchoice_positions[ i];
        mchoice_positions[ i] = mchoice_positions[ j];
        mchoice_positions[ j] = temp;
    }
    for(i=0; i < mchoice_count;i++) {
        s = s + '<input type="radio" name="radio_answer" id="radio_answer" value="';
        s = s + i+'" />'+quest_resp[ mchoice_positions[ i]] + '<br />';
    }
    s = s + '<br /><input type="button" id="check_btn" value="'+str_check;
    s = s + '" onclick="check_answer();">  <br/><div id="feedb_area"> <div id="feedb_wrong" style="display:none; color:yellow;"> ';
    s = s + quest_feedb+' </div> <br /><div id="feedb" style="display:none; color:yellow;"> ';
    s = s + quest_feedb+'. Θα προχωρήσεις ';
    s = s + current_dice+' τετράγωνα μπροστά!</div><br /> <div id="OK_btn"';   
    s = s + 'style="display:none;"><input type="button" onclick="display_quest();" value="OK"/></div> </div></form>';
    document.getElementById("dicecont").innerHTML = s;
    document.getElementById("question_area").style.display = "block";
    document.getElementById("check_btn").style.display = "block";
 }
 function display_quest_S() {
    var s = "";
    s = '<table width="250px"><tr><td><div id="show_dice"> <img src = "images/dice';
    s = s + current_dice + '.png"> </div> </td><td align=right>';
    s = s + '<div id="show_score" style="color: #FFFFFF; font-weight:bold; font-size: 20px;"><strong>';
    s = s + str_score+': </strong><strong class="score">' +score+ '</strong></div></td></tr></table><div id="question_area">';
    s = s + quest_text+'</div> <br /><input type="text" id="answer"/><br /><br /> <input type="button" id="check_btn" value="';
    s = s + str_check+'" onclick="check_answer();"> <br /> <div id="feedb_area">';
    s = s + ' <div id="feedb_wrong" style="display:none; color:yellow;"> ';
    s = s + feedb_wrong_S+' </div> <div id="feedb" style="display:none; color:yellow;"> ';
    s = s + feedb_correct_S+'</div> <br /><div id="OK_btn" style="display:none;">';
    s = s + '<input type="button" onclick="display_quest();" value="OK"/></div> </div>';
    document.getElementById("dicecont").innerHTML = s;
    document.getElementById("question_area").style.display = "block";
    document.getElementById("check_btn").style.display = "block";
 }
 function move_pawn() {
    var pawn_x =0;
    var pawn_y=0;
    var direction=0;
    var cols = board_cols[current_board];
    var rows = board_rows[current_board];
    var col_width = (board_width[current_board]-board_headerx[current_board]-board_footerx[current_board])/cols;
    var col_height = (board_height[current_board]-board_headery[current_board]-board_footery[current_board])/rows;
    if( current_position  >= 0) {
        direction=Math.floor((current_position /cols))%2;
        if (direction == 1) {
            axis_x=(cols-(current_position %cols)-1);
        } else {
            axis_x=current_position %cols;
        }
        axis_y=Math.floor((current_position /rows));
        pawn_x=board_headerx[current_board]+(axis_x*col_width)+(col_width-pawn_width[current_board])/2;
        pawn_y = board_footery[current_board]+pawn_height[current_board]+(axis_y*col_height);
        pawn_y += (col_height-pawn_height[current_board])/2;
        document.getElementById("pawn1").style.position='relative';
        document.getElementById("pawn1").style.left=pawn_x+'px';
        document.getElementById("pawn1").style.bottom=pawn_y+'px';
    }
 }
    function Base64decode(input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        while (i < input.length) {
            enc1 = keyStr.indexOf(input.charAt(i++));
            enc2 = keyStr.indexOf(input.charAt(i++));
            enc3 = keyStr.indexOf(input.charAt(i++));
            enc4 = keyStr.indexOf(input.charAt(i++));
            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;
            output = output + String.fromCharCode(chr1);
            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }
        }
        output = Base64_utf8_decode(output);
        return output;
    };
    // Private method for UTF-8 decoding.
    function Base64_utf8_decode(utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while ( i < utftext.length ) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            } else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            } else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }
        }
        return string;
    }
 </script>
 </body>
 </html>
--- a/lib.php
+++ b/lib.php
@ -1360,12 +1360,12 @@ function game_get_context_course_instance( $courseid) {
    return get_context_instance( CONTEXT_COURSE, $courseid);
 }
-function game_pix_url( $filename) {
+function game_pix_url( $filename, $module='') {
    global $OUTPUT;
    if (game_get_moodle_version() >= '03.03') {
        return $OUTPUT->image_url($filename, 'mod_game');
    } else {
-        return $OUTPUT->pix_url($filename, 'mod_game');
+        return $OUTPUT->pix_url($filename, $module);
    }
 }