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144 lines
3.7 KiB
144 lines
3.7 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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require( "../../../config.php");
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require_once("class.Sudoku.php");
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require( '../header.php');
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$action = optional_param('action', PARAM_ALPHA); // The action.
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require_login();
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if ($action == 'create') {
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AppendSudokuB();
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} else {
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showform();
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}
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function showform() {
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$id = required_param('id', PARAM_NUMBER); // The action.
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?>
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<form name="form" method="post" action="create.php">
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<center>
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<table cellpadding="5">
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<tr valign="top">
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<td align="right"><b><?php echo get_string( 'sudoku_create_count', 'game'); ?>:</b></td>
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<td>
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<input type="text" name="count" size="6" value="2" /><br>
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</td>
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</tr>
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<tr><td colspan=2><center><br><input type="submit" value="<?php print_string('sudoku_create_start', 'game') ?>" /></td></tr>
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</table>
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<input type="hidden" name=action value="create" >
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<input type="hidden" name=level1 value="1" >
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<input type="hidden" name=level2 value="10" >
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<input type="hidden" name=id value="<?php echo $id; ?>" />
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</form>
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<?php
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}
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function appendsudokub() {
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global $DB;
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$level1 = required_param('level1', PARAM_NUMBER);
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$level2 = required_param('level2', PARAM_NUMBER);
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$count = required_param('count', PARAM_NUMBER);
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$level = $level1;
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for ($i = 1; $i <= $count; $i++) {
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create( $si, $sp, $level);
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$newrec->data = packsudoku( $si, $sp);
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if (strlen( $newrec->data) != 81) {
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return 0;
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}
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$newrec->level = $level;
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$newrec->opened = GetOpened( $si);
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$DB->insert_record( 'game_sudoku_database', $newrec, true);
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$level++;
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if ($level > $level2) {
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$level = $level1;
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}
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echo get_string( 'sudoku_creating', 'game', $i)."<br>\r\n";
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}
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}
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function packsudoku( $si, $sp) {
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$data = '';
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for ($i = 1; $i <= 9; $i++) {
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for ($j = 1; $j <= 9; $j++) {
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$c = &$sp->thesquares[$i];
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$c = &$c->getcell($j);
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$solution = $c->asstring( false);
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$c = &$si->thesquares[$i];
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$c = &$c->getCell($j);
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$thesolvedstate = $c->solvedstate();
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if ($thesolvedstate == 1) {
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// Hint.
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$solution = substr( 'ABCDEFGHI', $c->asString( false) - 1, 1);
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}
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$data .= $solution;
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}
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}
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return $data;
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}
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function create( &$si, &$sp, $level=1) {
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for ($i = 1; $i <= 40; $i++) {
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$sp = new sudoku();
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$theinitialposition = $sp->generatepuzzle( 10, 50, $level);
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if (count( $theinitialposition)) {
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break;
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}
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}
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if ($i > 40) {
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return false;
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}
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$si = new sudoku();
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$si->initializepuzzlefromarray( $theinitialposition);
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return true;
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}
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function getopened( $si) {
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$count = 0;
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for ($i = 1; $i <= 9; $i++) {
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for ($j = 1; $j <= 9; $j++) {
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$c = &$si->thesquares[$i];
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$c = &$c->getcell($j);
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$thesolvedstate = $c->solvedstate();
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if ($thesolvedstate == 1) {
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// Hint.
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$count++;
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}
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}
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}
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return $count;
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}
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