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491 lines
14 KiB
491 lines
14 KiB
<?php // $Id: play.php,v 1.27 2012/07/25 11:16:05 bdaloukas Exp $
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// This file plays the game hangman
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function game_hangman_continue( $id, $game, $attempt, $hangman, $newletter, $action, $context)
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{
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global $DB, $USER;
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if( $attempt != false and $hangman != false){
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if( ($action == 'nextword') and ($hangman->finishedword != 0)){
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//finish with one word and continue to another
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if( !$DB->set_field( 'game_hangman', 'finishedword', 0, array( 'id' => $hangman->id))){
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error( "game_hangman_continue: Can't update game_hangman");
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}
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}else
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{
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return game_hangman_play( $id, $game, $attempt, $hangman, false, false, $context);
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}
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}
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$updatehangman = (($attempt != false) and ($hangman != false));
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//new game
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srand ((double)microtime()*1000003);
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//I try 10 times to find a new question
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$found = false;
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$min_num = 0;
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$unchanged = 0;
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for($i=1; $i <= 10; $i++)
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{
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$rec = game_question_shortanswer( $game, $game->param7, false);
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if( $rec === false){
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continue;
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}
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$answer = game_upper( $rec->answertext, $game->language);
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if( $game->language == '')
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{
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$game->language = game_detectlanguage( $answer);
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$answer = game_upper( $rec->answertext, $game->language);
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}
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$answer2 = $answer;
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if( $game->param7){
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//Have to delete space
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$answer2 = str_replace( ' ', '', $answer2);
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}
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if( $game->param8){
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//Have to delete -
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$answer2 = str_replace( '-', '', $answer2);
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}
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$allletters = game_getallletters( $answer2, $game->language);
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if( $allletters == ''){
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continue;
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}
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if( $game->param7){
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$allletters .= '_';
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}
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if( $game->param8){
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$allletters .= '-';
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}
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if( $game->param7 == false){
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//I don't allow spaces
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if( strpos( $answer, " ")){
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continue;
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}
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}
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$copy = false;
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$select2 = 'gameid=? AND userid=? AND questionid=? AND glossaryentryid=?';
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if( ($rec2 = $DB->get_record_select( 'game_repetitions', $select2, array( $game->id, $USER->id, $rec->questionid, $rec->glossaryentryid), 'id,repetitions r')) != false){
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if( ($rec2->r < $min_num) or ($min_num == 0)){
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$min_num = $rec2->r;
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$copy = true;
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}
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}else
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{
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$min_num = 0;
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$copy = true;
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}
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if( $copy){
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$found = true;
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$min = new stdClass();
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$min->questionid = $rec->questionid;
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$min->glossaryentryid = $rec->glossaryentryid;
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$min->attachment = $rec->attachment;
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$min->questiontext = $rec->questiontext;
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$min->answerid = $rec->answerid;
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$min->answer = $answer;
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$min->language = $game->language;
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$min->allletters = $allletters;
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if( $min_num == 0)
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break; //We found an unused word
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}else
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$unchanged++;
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if( $unchanged > 2)
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{
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if( $found)
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break;
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}
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}
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if( $found == false){
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print_error( get_string( 'no_words', 'game'));
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}
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//Found one word for hangman
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if( $attempt == false){
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$attempt = game_addattempt( $game);
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}
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if( !$DB->set_field( 'game_attempts', 'language', $min->language, array( 'id' => $attempt->id))){
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print_error( "game_hangman_continue: Can't set language");
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}
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$query = new stdClass();
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$query->attemptid = $attempt->id;
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$query->gameid = $game->id;
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$query->userid = $USER->id;
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$query->sourcemodule = $game->sourcemodule;
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$query->questionid = $min->questionid;
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$query->glossaryentryid = $min->glossaryentryid;
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$query->attachment = $min->attachment;
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$query->questiontext = addslashes( $min->questiontext);
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$query->score = 0;
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$query->timelastattempt = time();
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$query->answertext = $min->answer;
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$query->answerid = $min->answerid;
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if( !($query->id = $DB->insert_record( 'game_queries', $query))){
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print_object( $query);
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print_error( "game_hangman_continue: Can't insert to table game_queries");
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}
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$newrec = new stdClass();
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$newrec->id = $attempt->id;
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$newrec->queryid = $query->id;
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if( $updatehangman == false){
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$newrec->maxtries = $game->param4;
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if( $newrec->maxtries == 0){
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$newrec->maxtries = 1;
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}
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$newrec->finishedword = 0;
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$newrec->corrects = 0;
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}
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$newrec->allletters = $min->allletters;
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$letters = '';
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if( $game->param1){
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$letters .= game_substr3( $min->answer, 0, 1);
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}
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if( $game->param2){
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$letters .= game_substr3( $min->answer, -1, 1);
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}
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$newrec->letters = $letters;
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if( $updatehangman == false){
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if( !game_insert_record( 'game_hangman', $newrec)){
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print_error( 'game_hangman_continue: error inserting in game_hangman');
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}
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}else
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{
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if( !$DB->update_record( 'game_hangman', $newrec)){
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print_error( 'game_hangman_continue: error updating in game_hangman');
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}
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$newrec = $DB->get_record( 'game_hangman', array( 'id' => $newrec->id));
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}
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game_update_repetitions( $game->id, $USER->id, $query->questionid, $query->glossaryentryid);
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game_hangman_play( $id, $game, $attempt, $newrec, false, false, $context);
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}
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function game_hangman_onfinishgame( $game, $attempt, $hangman)
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{
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global $DB;
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$score = $hangman->corrects / $hangman->maxtries;
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game_updateattempts( $game, $attempt, $score, true);
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if( !$DB->set_field( 'game_hangman', 'finishedword', 0, array( 'id' => $hangman->id))){
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print_error( "game_hangman_onfinishgame: Can't update game_hangman");
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}
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}
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function game_hangman_play( $id, $game, $attempt, $hangman, $onlyshow, $showsolution, $context)
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{
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global $CFG, $DB, $OUTPUT;
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$query = $DB->get_record( 'game_queries', array( 'id' => $hangman->queryid));
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if( $attempt->language != '')
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$wordrtl = game_right_to_left( $attempt->language);
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else
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$wordrtl = right_to_left();
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$reverseprint = ($wordrtl != right_to_left());
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if( $game->toptext != ''){
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echo $game->toptext.'<br>';
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}
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$max=$game->param10; // maximum number of wrong
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if( $max <= 0)
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$max = 6;
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hangman_showpage( $done, $correct, $wrong, $max, $word_line, $word_line2, $links, $game, $attempt, $hangman, $query, $onlyshow, $showsolution, $context);
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if (!$done)
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{
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if ($wrong > $max){
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$wrong = $max;
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}
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if( $game->param3 == 0){
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$game->param3 = 1;
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}
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echo "\r\n<br/><img src=\"".$OUTPUT->pix_url('hangman/'.$game->param3.'/hangman_'.$wrong, 'mod_game')."\"";
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$message = sprintf( get_string( 'hangman_wrongnum', 'game'), $wrong, $max);
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echo ' ALIGN="MIDDLE" BORDER="0" HEIGHT="100" alt="'.$message.'"/>';
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if ($wrong >= $max){
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//This word is incorrect. If reach the max number of word I have to finish else continue with next word
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hangman_onincorrect( $id, $word_line, $query->answertext, $game, $attempt, $hangman, $onlyshow, $showsolution);
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}else
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{
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$i = $max-$wrong;
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if( $i > 1)
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echo ' '.get_string( 'hangman_restletters_many', 'game', $i);
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else
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echo ' '.get_string( 'hangman_restletters_one', 'game');
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if( $reverseprint){
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echo '<SPAN dir="'.($wordrtl ? 'rtl' : 'ltr').'">';
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}
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echo "<br/><font size=\"5\">\n$word_line</font>\r\n";
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if( $word_line2 != ''){
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echo "<br/><font size=\"5\">\n$word_line2</font>\r\n";
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}
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if( $reverseprint){
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echo "</SPAN>";
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}
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if( $hangman->finishedword == false){
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echo "<br/><br/><BR/>".get_string( 'hangman_letters', 'game').$links."\r\n";
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}
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}
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}else
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{
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//This word is correct. If reach the max number of word I have to finish else continue with next word
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hangman_oncorrect( $id, $word_line, $game, $attempt, $hangman, $query);
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}
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echo "<br/><br/>".get_string( 'grade', 'game').' : '.round( $query->percent * 100).' %';
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if( $hangman->maxtries > 1){
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echo '<br/><br/>'.get_string( 'hangman_gradeinstance', 'game').' : '.round( $hangman->corrects / $hangman->maxtries * 100).' %';
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}
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if( $game->bottomtext != ''){
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echo '<br><br>'.$game->bottomtext;
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}
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}
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function hangman_showpage(&$done, &$correct, &$wrong, $max, &$word_line, &$word_line2, &$links, $game, &$attempt, &$hangman, &$query, $onlyshow, $showsolution, $context)
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{
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global $USER, $CFG, $DB;
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$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
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$word = $query->answertext;
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$newletter = optional_param('newletter', "", PARAM_TEXT);
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if( $newletter == '_'){
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$newletter = ' ';
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}
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$letters = $hangman->letters;
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if( $newletter != NULL)
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{
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if( game_strpos( $letters,$newletter) === false){
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$letters .= $newletter;
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}
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}
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$links="";
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$alpha = $hangman->allletters;
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$wrong = 0;
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if( $query->questionid)
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{
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$questiontext = str_replace( array("\'", '\"'), array("'", '"'), $query->questiontext);
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$query->questiontext = game_filterquestion($questiontext, $query->questionid, $context->id, $game->course);
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}else
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{
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$cmglossary = get_coursemodule_from_instance('glossary', $game->glossaryid, $game->course);
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$contextglossary = get_context_instance(CONTEXT_MODULE, $cmglossary->id);
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$query->questiontext = game_filterglossary(str_replace( '\"', '"', $query->questiontext), $query->glossaryentryid, $contextglossary->id, $game->course);
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}
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if( $game->param5){
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$s = trim( game_filtertext( $query->questiontext, $game->course));
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if( $s != '.' and $s <> ''){
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echo "<br/><b>".$s.'</b>';
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}
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if( $query->attachment != ''){
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$file = "{$CFG->wwwroot}/file.php/$game->course/moddata/$query->attachment";
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echo "<img src=\"$file\" />";
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}
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echo "<br/><br/>";
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}
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$word_line = $word_line2 = "";
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$len = game_strlen( $word);
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$done = 1;
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$answer = '';
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$correct = 0;
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for ($x=0; $x < $len; $x++)
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{
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$char = game_substr3( $word, $x, 1);
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if( $showsolution){
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$word_line2 .= ( $char == " " ? ' ' : $char);
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$done = 0;
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}
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if ( game_strpos($letters, $char) === false){
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$word_line.="_<font size=\"1\"> </font>\r\n";
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$done = 0;
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$answer .= '_';
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}else
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{
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$word_line .= ( $char == " " ? ' ' : $char);
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$answer .= $char;
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$correct++;
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}
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}
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$len_alpha = game_strlen($alpha);
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$fontsize = 5;
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for ($c=0; $c < $len_alpha; $c++)
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{
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$char = game_substr3( $alpha, $c, 1);
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if ( game_strpos($letters, $char) === false)
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{
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//User doesn't select this character
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$params = 'id='.$id.'&newletter='.urlencode( $char);
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if( $onlyshow or $showsolution){
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$links .= $char;
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}else
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{
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$links .= "<font size=\"$fontsize\"><a href=\"attempt.php?$params\">$char</a></font>\r\n";
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}
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continue;
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}
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if ( game_strpos($word, $char) === false)
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{
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$links .= "\r\n<font size=\"$fontsize\" color=\"red\">$char </font>";
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$wrong++;
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}else
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{
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$links .= "\r\n<B><font size=\"$fontsize\">$char </font></B> ";
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}
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}
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$finishedword = ($done or $wrong >= $max);
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$finished = false;
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$updrec = new stdClass();
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$updrec->id = $hangman->id;
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$updrec->letters = $letters;
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if( $finishedword){
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if( $hangman->finishedword == 0){
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//only one time per word increace the variable try
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$hangman->try = $hangman->try + 1;
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if( $hangman->try > $hangman->maxtries){
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$finished = true;
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}
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if( $done){
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$hangman->corrects = $hangman->corrects + 1;
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$updrec->corrects = $hangman->corrects;
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}
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}
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$updrec->try = $hangman->try;
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$updrec->finishedword = 1;
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}
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$query->percent = ($correct -$wrong/$max) / game_strlen( $word);
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if( $query->percent < 0){
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$query->percent = 0;
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}
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if( $onlyshow or $showsolution){
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return;
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}
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if( !$DB->update_record( 'game_hangman', $updrec)){
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print_error( "hangman_showpage: Can't update game_hangman id=$updrec->id");
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}
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if( $done){
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$score = 1;
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}else if( $wrong >= $max){
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$score = 0;
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}else
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{
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$score = -1;
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}
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game_updateattempts( $game, $attempt, $score, $finished);
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game_update_queries( $game, $attempt, $query, $score, $answer);
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}
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//This word is correct. If reach the max number of words I have to finish else continue with next word
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function hangman_oncorrect( $id, $word_line, $game, $attempt, $hangman, $query)
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{
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global $DB;
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echo "<BR/><BR/><font size=\"5\">\n$word_line</font>\r\n";
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echo '<p><BR/><font size="5" color="green">'.get_string( 'win', 'game').'</font><BR/><BR/></p>';
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if( $query->answerid){
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$feedback = $DB->get_field( 'question_answers', 'feedback', array( 'id' => $query->answerid));
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if( $feedback != ''){
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echo "$feedback<br>";
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}
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}
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game_hangman_show_nextword( $id, $game, $attempt, $hangman);
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}
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function hangman_onincorrect( $id, $word_line, $word, $game, $attempt, $hangman, $onlyshow, $showsolution)
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{
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echo "\r\n<BR/><BR/><font size=\"5\">\n$word_line</font>\r\n";
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if( $onlyshow or $showsolution)
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return;
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echo '<p><BR/><font size="5" color="red">'.get_string( 'hangman_loose', 'game').'</font><BR/><BR/></p>';
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if( $game->param6){
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//show the correct answer
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if( game_strpos($word, ' ') != false)
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echo '<br/>'.get_string( 'hangman_correct_phrase', 'game');
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else
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echo '<br/>'.get_string( 'hangman_correct_word', 'game');
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echo '<B>'.$word."</B><BR/><BR/>\r\n";
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}
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game_hangman_show_nextword( $id, $game, $attempt, $hangman, true);
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}
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function game_hangman_show_nextword( $id, $game, $attempt, $hangman)
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{
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global $CFG, $DB;
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echo '<br/>';
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if( ($hangman->try < $hangman->maxtries) or ($hangman->maxtries == 0)){
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//continue to next word
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$params = "id=$id&action2=nextword\">".get_string( 'nextword', 'game').'</a> ';
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echo "<a href=\"{$CFG->wwwroot}/mod/game/attempt.php?$params";
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}else
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{
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game_hangman_onfinishgame( $game, $attempt, $hangman);
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if( game_can_start_new_attempt( $game))
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echo "<a href=\"{$CFG->wwwroot}/mod/game/attempt.php?id=$id\">".get_string( 'nextgame', 'game').'</a> ';
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}
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if (! $cm = $DB->get_record('course_modules', array( 'id' => $id))) {
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print_error( "Course Module ID was incorrect id=$id");
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}
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echo "<a href=\"{$CFG->wwwroot}/course/view.php?id=$cm->course\">".get_string( 'finish', 'game').'</a> ';
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}
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