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640 lines
20 KiB
640 lines
20 KiB
<?php // $Id: play.php,v 1.31 2012/07/25 11:16:05 bdaloukas Exp $
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/**
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* This file plays the game millionaire
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*
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* @author bdaloukas
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* @version $Id: play.php,v 1.31 2012/07/25 11:16:05 bdaloukas Exp $
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* @package game
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**/
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function game_millionaire_continue( $id, $game, $attempt, $millionaire, $context)
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{
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//User must select quiz or question as a source module
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if( ($game->quizid == 0) and ($game->questioncategoryid == 0)){
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if( $game->sourcemodule == 'quiz')
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print_error( get_string( 'millionaire_must_select_quiz', 'game'));
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else
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print_error( get_string( 'millionaire_must_select_questioncategory', 'game'));
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}
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if( $attempt != false and $millionaire != false){
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//continue an existing game
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return game_millionaire_play( $id, $game, $attempt, $millionaire, $context);
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}
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if( $attempt == false){
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$attempt = game_addattempt( $game);
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}
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$newrec = new stdClass();
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$newrec->id = $attempt->id;
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$newrec->queryid = 0;
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$newrec->level = 0;
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$newrec->state = 0;
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if( !game_insert_record( 'game_millionaire', $newrec)){
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print_error( 'error inserting in game_millionaire');
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}
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game_millionaire_play( $id, $game, $attempt, $newrec, $context);
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}
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function game_millionaire_play( $id, $game, $attempt, $millionaire, $context)
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{
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global $DB;
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$buttons = optional_param('buttons', 0, PARAM_INT);
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$Help5050_x = optional_param('Help5050_x', 0, PARAM_INT);
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$HelpTelephone_x = optional_param('HelpTelephone_x', 0, PARAM_INT);
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$HelpPeople_x = optional_param('HelpPeople_x', 0, PARAM_INT);
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$Quit_x = optional_param('Quit_x', 0, PARAM_INT);
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if( $millionaire->queryid){
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$query = $DB->get_record( 'game_queries', array( 'id' => $millionaire->queryid));
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}else
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{
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$query = new StdClass;
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}
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$found = 0;
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for($i=1; $i <= $buttons; $i++){
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$name = 'btAnswer'.$i;
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$answer = optional_param($name, '', PARAM_RAW);
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if (!empty($answer)) {
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game_millionaire_OnAnswer( $id, $game, $attempt, $millionaire, $query, $i, $context);
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$found = 1;
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}
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}
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if( $found == 1)
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;//nothing
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else if( !empty($Help5050_x))
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game_millionaire_OnHelp5050( $game, $id, $millionaire, $game, $query, $context);
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else if( !empty($HelpTelephone_x))
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game_millionaire_OnHelpTelephone( $game, $id, $millionaire, $query, $context);
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else if( !empty($HelpPeople_x))
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game_millionaire_OnHelpPeople( $game, $id, $millionaire, $query, $context);
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else if( !empty($Quit_x))
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game_millionaire_OnQuit( $id, $game, $attempt, $query, $context);
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else
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game_millionaire_ShowNextQuestion( $id, $game, $attempt, $millionaire, $context);
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}
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function game_millionaire_showgrid( $game, $millionaire, $id, $query, $aAnswer, $info, $context)
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{
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global $OUTPUT;
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$question = str_replace( array("\'", '\"'), array("'", '"'), $query->questiontext);
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if( $game->param8 == '')
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$color = 408080;
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else
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$color = substr( '000000'.base_convert($game->param8, 10, 16), -6);
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$color1 = 'black';
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$color2 = 'DarkOrange';
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$colorback="white";
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$stylequestion = "background:$colorback;color:$color1";
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$stylequestionselected = "background:$colorback;color:$color2";
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global $CFG;
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$state = $millionaire->state;
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$level = $millionaire->level;
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$background = "style='background:#$color'";
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echo '<form name="Form1" method="post" action="attempt.php" id="Form1">';
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echo "<table cellpadding=0 cellspacing=0 border=0>\r\n";
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echo "<tr $background>";
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echo '<td rowspan='.(17+count( $aAnswer)).'> </td>';
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echo "<td colspan=6> </td>";
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echo '<td rowspan='.(17+count( $aAnswer)).'> </td>';
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echo "</tr>\r\n";
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echo "<tr height=10%>";
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echo "<td $background rowspan=3 colspan=2>";
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$dirgif = 'millionaire/1/';
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if( $state & 1)
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{
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$gif = "5050x";
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$disabled = "disabled=1";
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}else
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{
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$gif = "5050";
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$disabled = "";
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}
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echo '<input type="image" '.$disabled.' name="Help5050" id="Help5050" Title="50 50" src="'.$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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if( $state & 2)
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{
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$gif = "telephonex";
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$disabled = "disabled=1";
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}else
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{
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$gif = "telephone";
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$disabled = "";
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}
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echo '<input type="image" name="HelpTelephone" '.$disabled.' id="HelpTelephone" Title="'.get_string( 'millionaire_telephone', 'game').'" src="'.$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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if( $state & 4)
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{
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$gif = "peoplex";
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$disabled = "disabled=1";
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}else
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{
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$gif = "people";
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$disabled = "";
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}
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echo '<input type="image" name="HelpPeople" '.$disabled.' id="HelpPeople" Title="'.get_string( 'millionaire_helppeople', 'game').'" src="'.$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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echo '<input type="image" name="Quit" id="Quit" Title="'.get_string( 'millionaire_quit', 'game').'" src="'.$OUTPUT->pix_url($dirgif.'x', 'mod_game').'" alt="" border="0"> ';
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echo "\r\n";
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echo "</td>\r\n";
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$styletext = "";
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if( strpos( $question, 'color:') == false and strpos( $question, 'background:') == false){
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$styletext = "style='$stylequestion'";
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}
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$aVal = array( 100, 200, 300, 400, 500, 1000, 1500, 2000, 4000, 5000, 10000, 20000, 40000, 80000, 150000);
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for( $i=15; $i >= 1; $i--)
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{
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$bTR = false;
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switch( $i)
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{
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case 15:
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echo "<td rowspan=".(16+count( $aAnswer))." $background> </td>\r\n";
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$bTR = true;
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break;
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case 14:
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case 13:
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echo "<tr>\n";
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$bTR = true;
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break;
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case 12:
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//$question = game_filterquestion($question, $query->questionid, $context->id, $game->course);
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$question = game_show_query( $game, $query, $question);
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echo "<tr>";
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echo "<td rowspan=12 colspan=2 valign=top style=\"$styletext\">$question</td>\r\n";
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$bTR = true;
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break;
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case 11:
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case 10:
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case 9:
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case 8:
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case 7:
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case 6:
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case 5:
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case 4:
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case 3:
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case 2:
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case 1:
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echo "<tr>";
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$bTR = true;
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break;
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default:
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echo "<tr>";
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$bTR = true;
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}
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if( $i == $level+1)
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$style = "background:$color1;color:$color2";
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else
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$style = $stylequestion;
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echo "<td style='$style' align=right>$i</td>";
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if( $i < $level+1)
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echo "<td style='$style'> * </td>";
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else if( $i == 15 and $level <= 1)
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echo "<td style='$style'> </td>";
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else
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echo "<td style='$style'></td>";
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echo "<td style='$style' align=right>".sprintf( "%10d", $aVal[ $i-1])."</td>\r\n";
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if( $bTR)
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echo "</tr>\r\n";
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}
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echo "<tr $background><td colspan=10> </td></tr>\r\n";
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$bFirst = true;
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$letters = get_string( 'lettersall', 'game');
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for( $i=1; $i <= count( $aAnswer); $i++)
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{
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$name = "btAnswer".$i;
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$s = game_substr( $letters, $i-1, 1);
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$disabled = ( $state == 15 ? "disabled=1" : "");
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$style = $stylequestion;
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if( (strpos( $aAnswer[ $i-1], 'color:') != false) or (strpos( $aAnswer[ $i-1], 'background:') != false)){
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$style = '';
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}
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if( $state == 15 and $i+1 == $query->correct){
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$style = $stylequestionselected;
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}
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$button = '<input style="'.$style.'" '.$disabled.'type="submit" name="'.$name.'" value="'.$s.'" id="'.$name."1\"".
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" onmouseover=\"this.style.backgroundColor = '$color2';$name.style.backgroundColor = '$color2';\" ".
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" onmouseout=\"this.style.backgroundColor = '$colorback';$name.style.backgroundColor = '$colorback';\" >";
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$text = game_filtertext($aAnswer[ $i-1],$game->course);
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$answer = "<span id=$name style=\"$style\" ".
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" onmouseover=\"this.style.backgroundColor = '$color2';{$name}1.style.backgroundColor = '$color2';\" ".
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" onmouseout=\"this.style.backgroundColor = '$colorback';{$name}1.style.backgroundColor = '$colorback';\" >".
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$text.'</span>';
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if( $aAnswer[ $i-1] != ""){
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echo "<tr>\n";
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echo "<td style='$stylequestion'> $button</td>\n";
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echo "<td $style width=100%> $answer</td>";
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if( $bFirst){
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$bFirst = false;
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$info = game_filtertext($info, $game->course);
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echo "<td style=\"$style\" rowspan=".count( $aAnswer)." colspan=3>$info</td>";
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}
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echo "\r\n</tr>\r\n";
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}
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}
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echo "<tr><td colspan=10 $background> </td></tr>\r\n";
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echo "<input type=hidden name=state value=\"$state\">\r\n";
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echo '<input type=hidden name=id value="'.$id.'">';
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echo "<input type=hidden name=buttons value=\"".count( $aAnswer)."\">\r\n";
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echo "</table>\r\n";
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echo "</form>\r\n";
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}
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function game_millionaire_ShowNextQuestion( $id, $game, $attempt, $millionaire, $context)
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{
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game_millionaire_SelectQuestion( $aAnswer, $game, $attempt, $millionaire, $query, $context);
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if( $game->toptext != ''){
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echo $game->toptext.'<br><br>';
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}
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game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, "", $context);
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if( $game->bottomtext != ''){
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echo '<br>'.$game->bottomtext;
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}
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}
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//updates tables: games_millionaire, game_attempts, game_questions
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function game_millionaire_SelectQuestion( &$aAnswer, $game, $attempt, &$millionaire, &$query, $context)
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{
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global $DB, $USER;
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if( ($game->sourcemodule != 'quiz') and ($game->sourcemodule != 'question')){
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print_error( get_string('millionaire_sourcemodule_must_quiz_question', 'game', get_string( 'modulename', 'quiz')).' '.get_string( 'modulename', $attempt->sourcemodule));
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}
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if( $millionaire->queryid != 0){
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game_millionaire_loadquestions( $game, $millionaire, $query, $aAnswer, $context);
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return;
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}
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if( $game->sourcemodule == 'quiz'){
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if( $game->quizid == 0){
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print_error( get_string( 'must_select_quiz', 'game'));
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}
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if( game_get_moodle_version() < '02.07')
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{
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$select = "qtype='multichoice' AND quiz='$game->quizid' AND qmo.questionid=q.id".
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" AND qqi.question=q.id";
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$table = "{quiz_question_instances} qqi,{question} q, {qtype_multichoice_options} qmo";
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$order = '';
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}else
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{
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$select = "qtype='multichoice' AND qs.quizid='$game->quizid' AND qmo.questionid=q.id".
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" AND qs.questionid=q.id";
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$table = "{quiz_slots} qs,{question} q, {qtype_multichoice_options} qmo";
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$order = 'qs.page,qs.slot';
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}
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}else
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{
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if( $game->questioncategoryid == 0){
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print_error( get_string( 'must_select_questioncategory', 'game'));
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}
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//include subcategories
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$select = 'category='.$game->questioncategoryid;
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if( $game->subcategories){
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$cats = question_categorylist( $game->questioncategoryid);
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if( count( $cats)){
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$select = 'q.category in ('.implode(',', $cats).')';
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}
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}
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$select .= " AND qtype='multichoice' AND qmo.single=1 AND qmo.questionid=q.id";
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$table = '{question} q, {qtype_multichoice_options} qmo';
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}
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$select .= ' AND hidden=0';
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if( $game->shuffle or $game->quizid == 0)
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$questionid = game_question_selectrandom( $game, $table, $select, 'q.id as id', true);
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else
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$questionid = game_millionaire_select_serial_question( $game, $table, $select, 'q.id as id', $millionaire->level, $order);
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if( $questionid == 0){
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print_error( get_string( 'no_questions', 'game'));
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}
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$q = $DB->get_record( 'question', array( 'id' => $questionid), 'id,questiontext');
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$recs = $DB->get_records( 'question_answers', array( 'question' => $questionid));
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if( $recs === false){
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print_error( get_string( 'no_questions', 'game'));
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}
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$correct = 0;
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$ids = array();
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foreach( $recs as $rec){
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$aAnswer[] = game_filterquestion_answer(str_replace( '\"', '"', $rec->answer), $rec->id, $context->id, $game->course);
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$ids[] = $rec->id;
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if( $rec->fraction == 1){
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$correct = $rec->id;
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}
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}
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$count = count( $aAnswer);
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for($i=1; $i <= $count; $i++){
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$sel = mt_rand(0, $count-1);
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$temp = array_splice( $aAnswer, $sel, 1);
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$aAnswer[ ] = $temp[ 0];
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$temp = array_splice( $ids, $sel, 1);
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$ids[ ] = $temp[ 0];
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}
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$query = new StdClass;
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$query->attemptid =$attempt->id;
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$query->gamekind = $game->gamekind;
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$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->glossaryentryid = 0;
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$query->questionid = $questionid;
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$query->questiontext = addslashes( $q->questiontext);
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$query->answertext = implode( ',', $ids);
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$query->correct = array_search( $correct, $ids) + 1;
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if( !$query->id = $DB->insert_record( 'game_queries', $query)){
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print_object( $query);
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print_error( 'error inserting to game_queries');
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}
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$updrec = new StdClass;
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$updrec->id = $millionaire->id;
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$updrec->queryid = $query->id;
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if( !$newid = $DB->update_record( 'game_millionaire', $updrec)){
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print_error( 'error updating in game_millionaire');
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}
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$score = $millionaire->level / 15;
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game_updateattempts( $game, $attempt, $score, 0);
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game_update_queries( $game, $attempt, $query, $score, '');
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}
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function game_millionaire_select_serial_question( $game, $table, $select, $id_fields="id", $level, $order)
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{
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global $DB, $USER;
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$sql = "SELECT $id_fields,$id_fields FROM ".$table." WHERE $select ";
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if( $order != '')
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$sql .= " ORDER BY $order";
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if( ($recs = $DB->get_records_sql( $sql)) == false)
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return false;
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$questions = array();
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foreach( $recs as $rec)
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$questions[] = $rec->id;
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$count = count( $questions);
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if( $count == 0)
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return false;
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$from = round($level * ($count-1) / 15);
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$to = round(max( $from, ($level+1) * ($count-1) / 15))-1;
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if( $to < $from)
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$to = $from;
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$pos = mt_rand( round( $from), round( $to));
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return $questions[ $pos];
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}
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function game_millionaire_loadquestions( $game, $millionaire, &$query, &$aAnswer, $context)
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{
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global $DB;
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$query = $DB->get_record( 'game_queries', array( 'id' => $millionaire->queryid), 'id,questiontext,answertext,correct,questionid');
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$aids = explode( ',', $query->answertext);
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$aAnswer = array();
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foreach( $aids as $id)
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{
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$rec = $DB->get_record( 'question_answers', array( 'id' => $id), 'id,answer');
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$aAnswer[] = game_filterquestion_answer(str_replace( '\"', '"', $rec->answer), $id, $context->id, $game->course);
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}
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}
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//flag 1:5050, 2:telephone 4:people
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function game_millionaire_setstate( &$millionaire, $mask)
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{
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global $DB;
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$millionaire->state |= $mask;
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$updrec = new stdClass();
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$updrec->id = $millionaire->id;
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$updrec->state = $millionaire->state;
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if( !$DB->update_record( 'game_millionaire', $updrec)){
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print_error( 'error updating in game_millionaire');
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}
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}
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function game_millionaire_onhelp5050( $game, $id, &$millionaire, $query, $context)
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{
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game_millionaire_loadquestions( $game, $millionaire, $query, $aAnswer, $context);
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|
if( ($millionaire->state & 1) != 0)
|
|
{
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, '', $context);
|
|
return;
|
|
}
|
|
|
|
game_millionaire_setstate( $millionaire, 1);
|
|
|
|
$n = count( $aAnswer);
|
|
if( $n > 2)
|
|
{
|
|
for(;;)
|
|
{
|
|
$wrong = mt_rand( 1, $n);
|
|
if( $wrong != $query->correct){
|
|
break;
|
|
}
|
|
}
|
|
for( $i=1; $i <= $n; $i++)
|
|
{
|
|
if( $i <> $wrong and $i <> $query->correct){
|
|
$aAnswer[ $i-1] = "";
|
|
}
|
|
}
|
|
}
|
|
|
|
game_millionaire_showgrid( $game, $millionaire, $id, $query, $aAnswer, '', $context);
|
|
}
|
|
|
|
function game_millionaire_OnHelpTelephone( $game, $id, &$millionaire, $query, $context)
|
|
{
|
|
game_millionaire_loadquestions( $game, $millionaire, $query, $aAnswer, $context);
|
|
|
|
if( ($millionaire->state & 2) != 0)
|
|
{
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, '', $context);
|
|
return;
|
|
}
|
|
|
|
game_millionaire_setstate( $millionaire, 2);
|
|
|
|
$n = count( $aAnswer);
|
|
if( $n < 2){
|
|
$wrong = $query->correct;
|
|
}else
|
|
{
|
|
for(;;)
|
|
{
|
|
$wrong = mt_rand( 1, $n);
|
|
if( $wrong != $query->correct)
|
|
break;
|
|
}
|
|
}
|
|
//with 80% gives the correct answer
|
|
if( mt_rand( 1, 10) <= 8)
|
|
$response = $query->correct;
|
|
else
|
|
$response = $wrong;
|
|
|
|
$info = get_string( 'millionaire_info_telephone','game').'<br><b>'.$aAnswer[ $response-1].'</b>';
|
|
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, $info, $context);
|
|
}
|
|
|
|
function game_millionaire_OnHelpPeople( $game, $id, &$millionaire, $query, $context)
|
|
{
|
|
game_millionaire_loadquestions( $game, $millionaire, $query, $aAnswer, $context);
|
|
|
|
if( ($millionaire->state & 4) != 0){
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, '', $context);
|
|
return;
|
|
}
|
|
|
|
game_millionaire_setstate( $millionaire, 4);
|
|
|
|
$n = count( $aAnswer);
|
|
$sum = 0;
|
|
$aPercent = array();
|
|
for( $i = 0; $i+1 < $n; $i++)
|
|
{
|
|
$percent = mt_rand( 0, 100-$sum);
|
|
$aPercent[ $i] = $percent;
|
|
$sum += $percent;
|
|
}
|
|
$aPercent[ $n-1] = 100 - $sum;
|
|
if( mt_rand( 1, 100) <= 80)
|
|
{
|
|
//with percent 80% sets in the correct answer the biggest percent
|
|
$max_pos = 0;
|
|
for( $i=1; $i+1 < $n; $i++)
|
|
{
|
|
if( $aPercent[ $i] >= $aPercent[ $max_pos])
|
|
$max_pos = $i;
|
|
}
|
|
$temp = $aPercent[ $max_pos];
|
|
$aPercent[ $max_pos] = $aPercent[ $query->correct-1];
|
|
$aPercent[ $query->correct-1] = $temp;
|
|
}
|
|
|
|
$info = '<br>'.get_string( 'millionaire_info_people', 'game').':<br>';
|
|
for( $i=0; $i < $n; $i++){
|
|
$info .= "<br>". game_substr( get_string( 'lettersall', 'game'), $i, 1) ." : ".$aPercent[ $i]. ' %';
|
|
}
|
|
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, game_substr( $info, 4), $context);
|
|
}
|
|
|
|
|
|
function game_millionaire_OnAnswer( $id, $game, $attempt, &$millionaire, $query, $answer, $context)
|
|
{
|
|
global $DB;
|
|
|
|
game_millionaire_loadquestions( $game, $millionaire, $query, $aAnswer, $context);
|
|
if( $answer == $query->correct)
|
|
{
|
|
if( $millionaire->level < 15){
|
|
$millionaire->level++;
|
|
}
|
|
$finish = ($millionaire->level == 15 ? 1 : 0);
|
|
$scorequestion = 1;
|
|
}else
|
|
{
|
|
$finish = 1;
|
|
$scorequestion = 0;
|
|
}
|
|
|
|
$score = $millionaire->level / 15;
|
|
|
|
game_update_queries( $game, $attempt, $query, $scorequestion, $answer);
|
|
game_updateattempts( $game, $attempt, $score, $finish);
|
|
|
|
$updrec = new stdClass();
|
|
$updrec->id = $millionaire->id;
|
|
$updrec->level = $millionaire->level;
|
|
$updrec->queryid = 0;
|
|
if( !$DB->update_record( 'game_millionaire', $updrec)){
|
|
print_error( 'error updating in game_millionaire');
|
|
}
|
|
|
|
if( $answer == $query->correct)
|
|
{
|
|
//correct
|
|
if( $finish){
|
|
echo get_string( 'win', 'game');
|
|
game_millionaire_OnQuit( $id, $game, $attempt, $query);
|
|
}else
|
|
{
|
|
$millionaire->queryid = 0; //so the next function select a new question
|
|
|
|
game_millionaire_ShowNextQuestion( $id, $game, $attempt, $millionaire, $context);
|
|
}
|
|
}else
|
|
{
|
|
//wrong answer
|
|
$info = get_string( 'millionaire_info_wrong_answer', 'game').
|
|
'<br><br><b><center>'.$aAnswer[ $query->correct-1].'</b>';
|
|
|
|
$millionaire->state = 15;
|
|
game_millionaire_ShowGrid( $game, $millionaire, $id, $query, $aAnswer, $info, $context);
|
|
}
|
|
}
|
|
|
|
function game_millionaire_onquit( $id, $game, $attempt, $query)
|
|
{
|
|
global $CFG, $DB;
|
|
|
|
game_updateattempts( $game, $attempt, -1, true);
|
|
|
|
if (! $cm = $DB->get_record( 'course_modules', array( 'id' => $id))) {
|
|
print_error( "Course Module ID was incorrect id=$id");
|
|
}
|
|
|
|
echo '<br>';
|
|
echo "<a href=\"{$CFG->wwwroot}/mod/game/attempt.php?id=$id\">".get_string( 'nextgame', 'game').'</a> ';
|
|
echo "<a href=\"{$CFG->wwwroot}/course/view.php?id=$cm->course\">".get_string( 'finish', 'game').'</a> ';
|
|
}
|
|
|
|
|