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633 lines
22 KiB
633 lines
22 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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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, $context) {
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// User must select quiz or question as a source module.
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if (($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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}
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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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global $DB;
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$buttons = optional_param('buttons', 0, PARAM_INT);
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$help5050x = optional_param('Help5050_x', 0, PARAM_INT);
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$helptelephonex = optional_param('HelpTelephone_x', 0, PARAM_INT);
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$helppeoplex = optional_param('HelpPeople_x', 0, PARAM_INT);
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$quitx = 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' => $millionaire->queryid));
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} else {
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$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 ($found == 1) {
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$found = $found; // Nothing.
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} else if (!empty($help5050x)) {
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game_millionaire_OnHelp5050( $game, $id, $millionaire, $game, $query, $context);
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} else if (!empty($helptelephonex)) {
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game_millionaire_OnHelpTelephone( $game, $id, $millionaire, $query, $context);
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} else if (!empty($helppeoplex)) {
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game_millionaire_OnHelpPeople( $game, $id, $millionaire, $query, $context);
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} else if (!empty($quitx)) {
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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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}
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function game_millionaire_showgrid( $game, $millionaire, $id, $query, $aanswer, $info, $context) {
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global $CFG, $OUTPUT;
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$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($game->param8, 10, 16), -6);
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}
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$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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$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 ($state & 1) {
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$gif = "5050x";
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$disabled = "disabled=1";
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} else {
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$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="'.
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$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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if ($state & 2) {
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$gif = "telephonex";
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$disabled = "disabled=1";
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} else {
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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" '.$disabled.
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' id="HelpTelephone" Title="'.get_string( 'millionaire_telephone', 'game').
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'" src="'.$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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if ($state & 4) {
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$gif = "peoplex";
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$disabled = "disabled=1";
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} else {
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$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="'.
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get_string( 'millionaire_helppeople', 'game').'" src="'.
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$OUTPUT->pix_url($dirgif.$gif, 'mod_game').'" alt="" border="0"> ';
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echo '<input type="image" name="Quit" id="Quit" Title="'.
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get_string( 'millionaire_quit', 'game').'" src="'.
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$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; $i--) {
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$btr = false;
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switch ($i) {
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case 15:
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echo "<td rowspan=".(16 + count( $aanswer)).
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" $background> </td>\r\n";
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$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_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 = $stylequestion;
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}
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echo "<td style='$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='$style'></td>";
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}
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echo "<td style='$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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}
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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); $i++) {
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$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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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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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',
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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 ($game->quizid == 0) {
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print_error( get_string( 'must_select_quiz', 'game'));
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}
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if (game_get_moodle_version() < '02.07') {
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$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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$order = '';
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} else {
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$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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$order = 'qs.page,qs.slot';
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}
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} else {
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if ($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, $order);
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}
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if ($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', $query)) {
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print_error( 'error inserting to game_queries');
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}
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$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, $idfields = "id", $level, $order) {
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global $DB, $USER;
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$sql = "SELECT $idfields,$idfields FROM ".$table." WHERE $select ";
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if ($order != '') {
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$sql .= " ORDER BY $order";
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}
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if (($recs = $DB->get_records_sql( $sql)) == false) {
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return false;
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}
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$questions = array();
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foreach ($recs as $rec) {
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$questions[] = $rec->id;
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}
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$count = count( $questions);
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if ($count == 0) {
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return false;
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}
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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 = $from;
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}
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$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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global $DB;
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$query = $DB->get_record( 'game_queries', array( 'id' => $millionaire->queryid),
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'id,questiontext,answertext,correct,questionid');
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$aids = explode( ',', $query->answertext);
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$aanswer = array();
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foreach ($aids as $id) {
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$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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global $DB;
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$millionaire->state |= $mask;
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$updrec = new stdClass();
|
|
$updrec->id = $millionaire->id;
|
|
$updrec->state = $millionaire->state;
|
|
if (!$DB->update_record( 'game_millionaire', $updrec)) {
|
|
print_error( 'error updating in game_millionaire');
|
|
}
|
|
}
|
|
|
|
function game_millionaire_onhelp5050( $game, $id, &$millionaire, $query, $context) {
|
|
game_millionaire_loadquestions( $game, $millionaire, $query, $aanswer, $context);
|
|
|
|
if (($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.
|
|
$maxpos = 0;
|
|
for ($i = 1; $i + 1 < $n; $i++) {
|
|
if ($apercent[ $i] >= $apercent[ $maxpos]) {
|
|
$maxpos = $i;
|
|
}
|
|
$temp = $apercent[ $maxpos];
|
|
$apercent[ $maxpos] = $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> ';
|
|
}
|
|
|