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, $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 = 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)
{
global $DB;
global $CFG;
if( $game->toptext != ''){
echo $game->toptext.'
';
}
echo '
';
$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);
}
}
?>
';
echo '