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<?php // $Id: play.php,v 1.20 2012/08/03 05:52:50 bdaloukas Exp $
/**
* This page plays the cryptex game
*
* @author bdaloukas
* @version $Id: play.php,v 1.20 2012/08/03 05:52:50 bdaloukas Exp $
* @package game
**/
require_once( "cryptexdb_class.php");
function game_cryptex_continue( $id, $game, $attempt, $cryptexrec, $endofgame, $context)
{
global $DB, $USER;
if( $endofgame){
game_updateattempts( $game, $attempt, -1, true);
$endofgame = false;
}
if( $attempt != false and $cryptexrec != false){
$crossm = $DB->get_record( 'game_cross', array( 'id' => $attempt->id));
return game_cryptex_play( $id, $game, $attempt, $cryptexrec, $crossm, false, false, false, $context);
}
if( $attempt === false){
$attempt = game_addattempt( $game);
}
$cryptex = new CryptexDB();
$questions = array();
$infos = array();
$answers = array();
$recs = game_questions_shortanswer( $game);
if( $recs == false){
print_error( get_string( 'no_words', 'game'));
}
$infos = array();
$reps = array();
foreach( $recs as $rec){
if( $game->param7 == false){
if( game_strpos( $rec->answertext, ' ')){
continue; //spaces not allowed
}
}
$rec->answertext = game_upper( $rec->answertext);
$answers[ $rec->answertext] = game_repairquestion( $rec->questiontext);
$infos[ $rec->answertext] = array( $game->sourcemodule, $rec->questionid, $rec->glossaryentryid);
$a = array( 'gameid' => $game->id, 'userid' => $USER->id, 'questionid' => $rec->questionid, 'glossaryentryid' => $rec->glossaryentryid);
if(($rec2 = $DB->get_record('game_repetitions', $a, 'id,repetitions AS r')) != false){
$reps[ $rec->answertext] = $rec2->r;
}
}
$cryptex->setwords( $answers, $game->param1, $reps);
//game->param4 is minimum words
//game->param2 is maximum words
if( $cryptex->computedata( $crossm, $crossd, $letters, $game->param4, $game->param2)){
$new_crossd = array();
foreach( $crossd as $rec)
{
if( array_key_exists( $rec->answertext, $infos)){
$info = $infos[ $rec->answertext];
$rec->id = 0;
$rec->sourcemodule = $info[ 0];
$rec->questionid = $info[ 1];
$rec->glossaryentryid = $info[ 2];
}
game_update_queries( $game, $attempt, $rec, 0, '');
$new_crossd[] = $rec;
}
$cryptexrec = $cryptex->savecryptex( $game, $crossm, $new_crossd, $attempt->id, $letters);
}
game_updateattempts( $game, $attempt, 0, 0);
return game_cryptex_play( $id, $game, $attempt, $cryptexrec, $crossm, false, false, false, $context);
}
//q means game_queries.id
function game_cryptex_check( $id, $game, $attempt, $cryptexrec, $q, $answer, $finishattempt, $context)
{
global $DB;
if( $finishattempt)
{
game_updateattempts( $game, $attempt, -1, true);
game_cryptex_continue( $id, $game, false, false, true, $context);
return;
}
if( $attempt === false)
{
game_cryptex_continue( $id, $game, $attempt, $cryptexrec, false, $context);
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 = game_strlen( $answer1);
$len2 = game_strlen( $answer2);
$equal = ( $len1 == $len2);
if( $equal){
for( $i=0; $i < $len1; $i++)
{
if( game_substr( $answer1, $i, 1) != game_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_cryptex_play( $id, $game, $attempt, $cryptexrec, $crossm, $updateattempt=false, $onlyshow=false, $showsolution=false, $context, $print=false, $showhtmlprintbutton=true)
{
global $DB;
global $CFG;
if( $game->toptext != ''){
echo $game->toptext.'<br>';
}
echo '<br>';
$cryptex = new CryptexDB();
$language = $attempt->language;
$questions = $cryptex->loadcryptex( $crossm, $mask, $corrects, $attempt->language);
if( $language != $attempt->language){
if( !$DB->set_field( 'game_attempts', 'language', $attempt->language, array( 'id' => $attempt->id))){
print_error( "game_cross_play: Can't set language");
}
}
if( $attempt->language != '')
$wordrtl = game_right_to_left( $attempt->language);
else
$wordrtl = right_to_left();
$reverseprint = ($wordrtl != right_to_left());
if( $reverseprint)
$textdir = 'dir="'.($wordrtl ? 'rtl' : 'ltr').'"';
else
$textdir = '';
$len = game_strlen( $mask);
//count1 means there is a guested letter
//count2 means there is a letter that not guessed
$count1 = $count2 = 0;
for($i=0; $i < $len; $i++)
{
$c = game_substr( $mask, $i, 1);
if( $c == '1'){
$count1++;
}else if( $c == '2')
{
$count2++;
}
}
if( $count1 + $count2 == 0){
$gradeattempt = 0;
}else
{
$gradeattempt = $count1 / ($count1 + $count2);
}
$finished = ($count2 == 0);
if( ($finished === false) && ($game->param8 > 0))
{
$found = false;
foreach ( $questions as $q)
{
if ( $q->tries < $game->param8)
$found = true;
}
if( $found == false)
$finished = true; //rich max tries
}
if( $updateattempt){
game_updateattempts( $game, $attempt, $gradeattempt, $finished);
}
if( ($onlyshow == false) and ($showsolution == false)){
if( $finished){
game_cryptex_onfinished( $id, $game, $attempt, $cryptexrec);
}
}
?>
<style type="text/css"><!--
.answerboxstyle {
background-color: #FFFAF0;
border-color: #808080;
border-style: solid;
border-width: 1px;
display: block;
padding: .75em;
width: 240pt;
}
--></style>
<?php
$grade = round( 100 * $gradeattempt);
echo get_string( 'grade', 'game').' '.$grade.' %';
echo '<br>';
echo '<table border=0>';
echo '<tr><td>';
$cryptex->displaycryptex( $crossm->cols, $crossm->rows, $cryptexrec->letters, $mask, $showsolution, $textdir);
?>
</td>
<td width=10%>&nbsp;</td>
<td>
<form method="get" action="<?php echo $CFG->wwwroot?>/mod/game/attempt.php">
<div id="answerbox" class="answerboxstyle" style="display:none;">
<div id="wordclue" name="wordclue" class="cluebox"> </div>
<input id="action" name="action" type="hidden" value="cryptexcheck">
<input id="q" name="q" type="hidden" >
<input id="id" name="id" value="<?php echo $id; ?>" type="hidden">
<div style="margin-top:1em;"><input id="answer" name="answer" type="text" size="24"
style="font-weight: bold; text-transform:uppercase;" autocomplete="off"></div>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="margin-top:1em;"><tr>
<td align="right">print
<button id="okbutton" type="submit" class="button" style="font-weight: bold;">OK</button> &nbsp;
<button id="cancelbutton" type="button" class="button" onclick="DeselectCurrentWord();">Cancel</button>
</td></tr></table>
</form>
</td>
</tr>
</table>
<?php
if( $showhtmlprintbutton){
echo '<br><button id="finishattemptbutton" type="button" onclick="OnEndGame();" >'.get_string( 'finish', 'game');
echo '</button>';
echo '<button id="printbutton" type="button" onclick="OnPrint();" >'.get_string( 'print', 'game');
echo '</button><br>';
}
if( $showhtmlprintbutton){
?>
<script>
function PrintHtmlClick()
{
document.getElementById("printbutton").style.display = "none";
window.print();
document.getElementById("printbutton").style.display = "block";
}
function OnPrint()
{
<?php
global $CFG;
$params = "id=$id&gameid=$game->id";
echo "window.open( \"{$CFG->wwwroot}/mod/game/print.php?$params\");";
?>
}
function OnEndGame()
{
<?php
global $CFG;
$params = 'id='.$id.'&action=cryptexcheck&g=&finishattempt=1';
echo "window.location = \"{$CFG->wwwroot}/mod/game/attempt.php?$params\";\r\n";
?>
}
</script>
<?php
}
$i = 0;
$else = '';
$contextglossary = false;
foreach( $questions as $key => $q){
$i++;
if( $showsolution == false){
//When I want to show the solution a want to show the questions to.
if( array_key_exists( $q->id, $corrects)){
continue;
}
}
$question = game_show_query( $game, $q, "$i. ".$q->questiontext, $context);
$question2 = strip_tags($question); //ADDED BY DP (AUG 2009) - fixes " breaking the Answer button for this question
if( ($onlyshow == false) and ($showsolution == false)){
if( ($game->param8 == 0) || ($game->param8 > $q->tries))
$question .= ' &nbsp;<input type="submit" value="'.get_string( 'answer').'" onclick="OnCheck( '.$q->id.',\''.$question2.'\');" />';
}
echo $question;
if( $showsolution){
echo " &nbsp;&nbsp;&nbsp;$q->answertext<B></b>";
}
echo '<br>';
}
if( $game->bottomtext != ''){
echo '<br><br>'.$game->bottomtext;
}
?>
<script>
function OnCheck( id, question)
{
document.getElementById("q").value = id;
document.getElementById("wordclue").innerHTML = question;
// Finally, show the answer box.
document.getElementById("answerbox").style.display = "block";
try
{
document.getElementById("answer").focus();
document.getElementById("answer").select();
}
catch (e)
{
}
}
</script>
<?php
if( $print)
echo '<body onload="window.print()">';
else
echo '<body>';
}
function game_cryptex_onfinished( $id, $game, $attempt, $cryptexrec)
{
global $CFG, $DB;
if (! $cm = $DB->get_record( 'course_modules', array( 'id' => $id))) {
print_error( "Course Module ID was incorrect id=$id");
}
echo '<B>'.get_string( 'win', 'game').'</B><BR>';
echo '<br>';
echo "<a href=\"{$CFG->wwwroot}/mod/game/attempt.php?id=$id&forcenew=1\">".get_string( 'nextgame', 'game').'</a> &nbsp; &nbsp; &nbsp; &nbsp; ';
echo "<a href=\"{$CFG->wwwroot}/course/view.php?id=$cm->course\">".get_string( 'finish', 'game').'</a> ';
echo "<br><br>\r\n";
}