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<?php // $Id: attempt.php,v 1.22 2012/07/25 23:07:43 bdaloukas Exp $
/**
* This page prints a particular attempt of game
*
* @author bdaloukas
* @version $Id: attempt.php,v 1.22 2012/07/25 23:07:43 bdaloukas Exp $
* @package game
**/
require_once( "../../config.php");
require_once( "lib.php");
require_once( "locallib.php");
require_once( "hangman/play.php");
require_once( "cross/play.php");
require_once( "cryptex/play.php");
require_once( "millionaire/play.php");
require_once( "sudoku/play.php");
require_once( "bookquiz/play.php");
require_once( "snakes/play.php");
require_once( "hiddenpicture/play.php");
$action = optional_param('action', "", PARAM_ALPHANUM); // action
game_show_header( $id, $game, $course, $context);
game_do_attempt( $id, $game, $action, $course, $context);
function game_show_header( &$id, &$game, &$course, &$context)
{
global $DB, $USER, $PAGE, $OUTPUT;
$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
$q = optional_param('q', 0, PARAM_INT); // game ID
if ($id) {
if (! $cm = get_coursemodule_from_id('game', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record('course', array('id' => $cm->course))) {
print_error('coursemisconf');
}
if (! $game = $DB->get_record('game', array('id' => $cm->instance))) {
print_error('invalidcoursemodule');
}
} else {
if (! $game = $DB->get_record('game', array('id' => $q))) {
print_error('invalidgameid', 'game');
}
if (! $course = $DB->get_record('course', array('id' => $game->course))) {
print_error('invalidcourseid');
}
if (! $cm = get_coursemodule_from_instance('game', $game->id, $course->id)) {
print_error('invalidcoursemodule');
}
}
/// Check login and get context.
require_login($course->id, false, $cm);
$context = game_get_context_module_instance( $cm->id);
require_capability('mod/game:view', $context);
/// Cache some other capabilites we use several times.
$canattempt = has_capability('mod/game:attempt', $context);
$canreviewmine = has_capability('mod/game:reviewmyattempts', $context);
/// Create an object to manage all the other (non-roles) access rules.
$timenow = time();
//$accessmanager = new game_access_manager(game::create($game->id, $USER->id), $timenow);
/// If no questions have been set up yet redirect to edit.php
//if (!$game->questions && has_capability('mod/game:manage', $context)) {
// redirect($CFG->wwwroot . '/mod/game/edit.php?cmid=' . $cm->id);
//}
/// Log this request.
if( game_use_events())
{
require( 'classes/event/game_played.php');
\mod_game\event\game_played::played($game, $context)->trigger();
}else
add_to_log($course->id, 'game', 'view', "view.php?id=$cm->id", $game->id, $cm->id);
/// Initialize $PAGE, compute blocks
$PAGE->set_url('/mod/game/view.php', array('id' => $cm->id));
$edit = optional_param('edit', -1, PARAM_BOOL);
if ($edit != -1 && $PAGE->user_allowed_editing()) {
$USER->editing = $edit;
}
// Note: MDL-19010 there will be further changes to printing header and blocks.
// The code will be much nicer than this eventually.
$title = $course->shortname . ': ' . format_string($game->name);
if ($PAGE->user_allowed_editing() && !empty($CFG->showblocksonmodpages)) {
$buttons = '<table><tr><td><form method="get" action="view.php"><div>'.
'<input type="hidden" name="id" value="'.$cm->id.'" />'.
'<input type="hidden" name="edit" value="'.($PAGE->user_is_editing()?'off':'on').'" />'.
'<input type="submit" value="'.get_string($PAGE->user_is_editing()?'blockseditoff':'blocksediton').'" /></div></form></td></tr></table>';
$PAGE->set_button($buttons);
}
$PAGE->set_title($title);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
}
function game_do_attempt( $id, $game, $action, $course, $context)
{
global $OUTPUT;
$forcenew = optional_param('forcenew', false, PARAM_BOOL); // Teacher has requested new preview
$endofgame = optional_param('endofgame', false, PARAM_BOOL);
$pos = optional_param('pos', 0, PARAM_INT);
$num = optional_param('num', 0, PARAM_INT);
$q = optional_param('q', 0, PARAM_INT);
$attemptid = optional_param('attemptid', 0, PARAM_INT);
$g = optional_param('g', '', PARAM_RAW);
$finishattempt = optional_param('finishattempt', '', PARAM_TEXT);
$answer = optional_param('answer', '', PARAM_TEXT);
$continue = false;
/// Print the main part of the page
switch( $action)
{
case 'crosscheck':
$attempt = game_getattempt( $game, $detail);
$g = game_cross_unpackpuzzle( $g);
game_cross_continue( $id, $game, $attempt, $detail, $g, $finishattempt, $context);
break;
case 'crossprint':
$attempt = game_getattempt( $game, $detail);
game_cross_play( $id, $game, $attempt, $detail, '', true, false, false, true, $context);
break;
case 'sudokucheck': //the student tries to answer a question
$attempt = game_getattempt( $game, $detail);
game_sudoku_check_questions( $id, $game, $attempt, $detail, $finishattempt, $course, $context);
$continue = true;
break;
case 'sudokucheckg': //the student tries to guess a glossaryenry
$attempt = game_getattempt( $game, $detail);
$endofgame = array_key_exists( 'endofgame', $_GET);
$continue = game_sudoku_check_glossaryentries( $id, $game, $attempt, $detail, $endofgame, $course);
$continue = true;
break;
case 'sudokucheckn': //the user tries to guess a number
$attempt = game_getattempt( $game, $detail);
game_sudoku_check_number( $id, $game, $attempt, $detail, $pos, $num, $context);
$continue = false;
break;
case 'cryptexcheck': //the user tries to guess a question
$attempt = game_getattempt( $game, $detail);
game_cryptex_check( $id, $game, $attempt, $detail, $q, $answer, $context);
break;
case 'bookquizcheck': //the student tries to answer a question
$attempt = game_getattempt( $game, $detail);
game_bookquiz_check_questions( $id, $game, $attempt, $detail, $context);
break;
case 'snakescheck': //the student tries to answer a question
$attempt = game_getattempt( $game, $detail);
game_snakes_check_questions( $id, $game, $attempt, $detail, $context);
break;
case 'snakescheckg': //the student tries to answer a question from glossary
$attempt = game_getattempt( $game, $detail);
game_snakes_check_glossary( $id, $game, $attempt, $detail, $context);
break;
case 'hiddenpicturecheck': //the student tries to answer a question
$attempt = game_getattempt( $game, $detail);
$continue = game_hiddenpicture_check_questions( $id, $game, $attempt, $detail, $finishattempt, $context);
break;
case 'hiddenpicturecheckg': //the student tries to guess a glossaryenry
$attempt = game_getattempt( $game, $detail);
game_hiddenpicture_check_mainquestion( $id, $game, $attempt, $detail, $endofgame, $context);
break;
default:
$continue = true;
break;
}
if( $continue){
game_create( $game, $id, $forcenew, $course, $context);
}
/// Finish the page
echo $OUTPUT->footer();
}
function game_create( $game, $id, $forcenew, $course, $context)
{
global $USER, $CFG, $DB;
$attempt = game_getattempt( $game, $detail);
$chapterid = optional_param('chapterid', 0, PARAM_INT);
$newletter = optional_param('newletter', '', PARAM_ALPHA);
$action2 = optional_param('action2', '', PARAM_ALPHA);
switch( $game->gamekind)
{
case 'cross':
game_cross_continue( $id, $game, $attempt, $detail, '', $forcenew, $context);
break;
case 'hangman':
game_hangman_continue( $id, $game, $attempt, $detail, $newletter, $action2, $context);
break;
case 'millionaire':
game_millionaire_continue( $id, $game, $attempt, $detail, $context);
break;
case 'bookquiz':
game_bookquiz_continue( $id, $game, $attempt, $detail, $chapterid, $context);
break;
case 'sudoku':
game_sudoku_continue( $id, $game, $attempt, $detail, '', $context);
break;
case 'cryptex':
game_cryptex_continue( $id, $game, $attempt, $detail, $forcenew, $context);
break;
case 'snakes':
game_snakes_continue( $id, $game, $attempt, $detail, $context);
break;
case 'hiddenpicture':
game_hiddenpicture_continue( $id, $game, $attempt, $detail, $context);
break;
default:
print_error( "Game {$game->gamekind} not found");
break;
}
}
function game_cross_unpackpuzzle( $g)
{
$ret = "";
$len = game_strlen( $g);
while( $len)
{
for( $i=0; $i < $len; $i++)
{
$c = game_substr( $g, $i, 1);
if( $c >= '1' and $c <= '9'){
if( $i > 0){
//found escape character
if( game_substr( $g, $i-1, 1) == '/'){
$g = game_substr( $g, 0, $i-1).game_substr( $g, $i);
$i--;
$len--;
continue;
}
}
break;
}
}
if( $i < $len){
//found the start of a number
for( $j=$i+1; $j < $len; $j++)
{
$c = game_substr( $g, $j, 1);
if( $c < '0' or $c > '9'){
break;
}
}
$count = game_substr( $g, $i, $j-$i);
$ret .= game_substr( $g, 0, $i) . str_repeat( '_', $count);
$g = game_substr( $g, $j);
$len = game_strlen( $g);
}else
{
$ret .= $g;
break;
}
}
return $ret;
}