You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

144 lines
3.7 KiB

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
require( "../../../config.php");
require_once("class.Sudoku.php");
require( '../header.php');
$action = optional_param('action', PARAM_ALPHA); // The action.
if ($action == 'create') {
AppendSudokuB();
} else {
showform();
}
function showform() {
$id = required_param('id', PARAM_NUMBER); // The action.
?>
<form name="form" method="post" action="create.php">
<center>
<table cellpadding="5">
<tr valign="top">
<td align="right"><b><?php echo get_string( 'sudoku_create_count', 'game'); ?>:</b></td>
<td>
<input type="text" name="count" size="6" value="2" /><br>
</td>
</tr>
<tr><td colspan=2><center><br><input type="submit" value="<?php print_string('sudoku_create_start', 'game') ?>" /></td></tr>
</table>
<input type="hidden" name=action value="create" >
<input type="hidden" name=level1 value="1" >
<input type="hidden" name=level2 value="10" >
<input type="hidden" name=id value="<?php echo $id; ?>" />
</form>
<?php
}
function appendsudokub() {
global $DB;
$level1 = required_param('level1', PARAM_NUMBER);
$level2 = required_param('level2', PARAM_NUMBER);
$count = required_param('count', PARAM_NUMBER);
$level = $level1;
for ($i = 1; $i <= $count; $i++) {
create( $si, $sp, $level);
$newrec->data = packsudoku( $si, $sp);
if (strlen( $newrec->data) != 81) {
return 0;
}
$newrec->level = $level;
$newrec->opened = GetOpened( $si);
$DB->insert_record( 'game_sudoku_database', $newrec, true);
$level++;
if ($level > $level2) {
$level = $level1;
}
echo get_string( 'sudoku_creating', 'game', $i)."<br>\r\n";
}
}
function packsudoku( $si, $sp) {
$data = '';
for ($i = 1; $i <= 9; $i++) {
for ($j = 1; $j <= 9; $j++) {
$c = &$sp->thesquares[$i];
$c = &$c->getcell($j);
$solution = $c->asstring( false);
$c = &$si->thesquares[$i];
$c = &$c->getCell($j);
$thesolvedstate = $c->solvedstate();
if ($thesolvedstate == 1) {
// Hint.
$solution = substr( 'ABCDEFGHI', $c->asString( false) - 1, 1);
}
$data .= $solution;
}
}
return $data;
}
function create( &$si, &$sp, $level=1) {
for ($i = 1; $i <= 40; $i++) {
$sp = new sudoku();
$theinitialposition = $sp->generatepuzzle( 10, 50, $level);
if (count( $theinitialposition)) {
break;
}
}
if ($i > 40) {
return false;
}
$si = new sudoku();
$si->initializepuzzlefromarray( $theinitialposition);
return true;
}
function getopened( $si) {
$count = 0;
for ($i = 1; $i <= 9; $i++) {
for ($j = 1; $j <= 9; $j++) {
$c = &$si->thesquares[$i];
$c = &$c->getcell($j);
$thesolvedstate = $c->solvedstate();
if ($thesolvedstate == 1) {
// Hint.
$count++;
}
}
}
return $count;
}