mirror of
https://github.com/slawkens/myaac.git
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298 lines
7.3 KiB
PHP
298 lines
7.3 KiB
PHP
<?php
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/**#@+
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* @version 0.1.0
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* @since 0.1.0
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*/
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/**
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* @package POT
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* @version 0.1.3
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* @author Wrzasq <wrzasq@gmail.com>
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* @copyright 2007 - 2008 (C) by Wrzasq
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* @license http://www.gnu.org/licenses/lgpl-3.0.txt GNU Lesser General Public License, Version 3
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*/
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/**
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* Wrapper for monsters list.
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*
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* @package POT
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* @version 0.1.3
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* @tutorial POT/data_directory.pkg#monsters
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*/
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class OTS_MonstersList implements Iterator, Countable, ArrayAccess
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{
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/**
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* Monsters directory.
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*
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* @var string
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*/
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private $monstersPath;
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/**
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* List of loaded monsters.
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*
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* @var array
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*/
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private $monsters = array();
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private $lastMonsterFile = '';
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private $hasErrors = false;
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/**
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* Loads monsters mapping file.
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*
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* <p>
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* Note: You pass directory path, not monsters.xml file name itself.
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* </p>
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*
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* @param string $path Monsters directory.
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* @throws DOMException On DOM operation error.
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*/
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public function __construct($path)
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{
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$this->monstersPath = $path;
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// makes sure it has directory separator at the end
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$last = substr($this->monstersPath, -1);
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if($last != '/' && $last != '\\')
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{
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$this->monstersPath .= '/';
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}
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// check if monsters.xml exist
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if(!@file_exists($this->monstersPath . 'monsters.xml')) {
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log_append('error.log', '[OTS_MonstersList.php] Fatal error: Cannot load monsters.xml. File does not exist. (' . $this->monstersPath . 'monsters.xml' . '). Error: ' . print_r(error_get_last(), true));
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throw new Exception('Error: Cannot load monsters.xml. File not found. More info in system/logs/error.log file.');
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}
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// loads monsters mapping file
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$monsters = new DOMDocument();
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if(!@$monsters->load($this->monstersPath . 'monsters.xml')) {
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log_append('error.log', '[OTS_MonstersList.php] Fatal error: Cannot load monsters.xml (' . $this->monstersPath . 'monsters.xml' . '). Error: ' . print_r(error_get_last(), true));
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throw new Exception('Error: Cannot load monsters.xml. File is invalid. More info in system/logs/error.log file.');
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}
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foreach( $monsters->getElementsByTagName('monster') as $monster)
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{
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$this->monsters[ $monster->getAttribute('name') ] = $monster->getAttribute('file');
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//echo $this->monsters[ $monster->getAttribute('name')];
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}
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}
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/**
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* Magic PHP5 method.
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*
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* Allows object importing from {@link http://www.php.net/manual/en/function.var-export.php var_export()}.
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*
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* @param array $properties List of object properties.
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*/
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public function __set_state($properties)
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{
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$object = new self();
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// loads properties
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foreach($properties as $name => $value)
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{
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$object->$name = $value;
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}
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return $object;
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}
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/**
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* Checks if given monster ID exists on list.
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*
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* @version 0.1.3
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* @since 0.1.3
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* @param string $name Monster name.
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* @return bool If monster is set then true.
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*/
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public function hasMonster($name)
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{
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return isset($this->monsters[$name]);
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}
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function xmlErrorHandler($errno, $errstr, $errfile, $errline)
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{
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if($errno==E_WARNING && (substr_count($errstr,"DOMDocument::loadXML()")>0)) {
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//throw new DOMException($errstr);
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log_append('error.log', '[OTS_MonstersList.php] Fatal error: Cannot load ' . $this->lastMonsterFile . ' - ' . $errstr);
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$this->hasErrors = true;
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}
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else
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return false;
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}
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/**
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* Returns loaded data of given monster.
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*
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* @version 0.1.3
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* @param string $name Monster name.
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* @return OTS_Monster Monster data.
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* @throws OutOfBoundsException If not exists.
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* @throws DOMException On DOM operation error.
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*/
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public function getMonster($name)
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{
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global $lastMonsterFile;
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// checks if monster exists
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if( isset($this->monsters[$name]) )
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{
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// loads file
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$monster = new OTS_Monster();
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//echo $this->monstersPath . $this->monsters[$name];
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// check if monster file exist
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if(file_exists($this->monstersPath . $this->monsters[$name])) {
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set_error_handler(array($this, 'xmlErrorHandler'));
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$this->lastMonsterFile = $this->monstersPath . $this->monsters[$name];
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@$monster->loadXML(trim(file_get_contents($this->monstersPath . $this->monsters[$name])));
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restore_error_handler();
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}
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return $monster;
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}
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throw new OutOfBoundsException();
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}
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public function hasErrors() {
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return $this->hasErrors;
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}
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/**
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* Returns amount of monsters loaded.
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*
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* @return int Count of monsters.
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*/
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public function count()
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{
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return count($this->monsters);
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}
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/**
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* Returns monster at current position in iterator.
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*
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* @return OTS_Monster Monster.
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* @throws DOMException On DOM operation error.
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*/
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public function current()
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{
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return $this->getMonster( key($this->monsters) );
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}
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public function currentFile()
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{
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return $this->monsters[key($this->monsters)];
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}
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/**
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* Moves to next iterator monster.
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*/
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public function next()
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{
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next($this->monsters);
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}
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/**
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* Returns name of current position.
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*
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* @return string Current position key.
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*/
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public function key()
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{
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return key($this->monsters);
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}
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/**
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* Checks if there is anything more in interator.
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*
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* @return bool If iterator has anything more.
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*/
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public function valid()
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{
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return key($this->monsters) !== null;
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}
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/**
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* Resets iterator index.
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*/
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public function rewind()
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{
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reset($this->monsters);
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}
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/**
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* Checks if given element exists.
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*
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* @param string $offset Array key.
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* @return bool True if it's set.
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*/
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public function offsetExists($offset)
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{
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return isset($this->monsters[$offset]);
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}
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/**
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* Returns item from given position.
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*
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* @version 0.1.3
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* @param string $offset Array key.
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* @return OTS_Monster Monster instance.
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* @throws DOMException On DOM operation error.
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*/
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public function offsetGet($offset)
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{
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return $this->getMonster($offset);
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}
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/**
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* This method is implemented for ArrayAccess interface. In fact you can't write/append to monsters list. Any call to this method will cause {@link E_OTS_ReadOnly E_OTS_ReadOnly} raise.
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*
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* @param string|int $offset Array key.
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* @param mixed $value Field value.
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* @throws E_OTS_ReadOnly Always - this class is read-only.
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*/
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public function offsetSet($offset, $value)
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{
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throw new E_OTS_ReadOnly();
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}
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/**
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* This method is implemented for ArrayAccess interface. In fact you can't write/append to monsters list. Any call to this method will cause {@link E_OTS_ReadOnly E_OTS_ReadOnly} raise.
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*
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* @param string|int $offset Array key.
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* @throws E_OTS_ReadOnly Always - this class is read-only.
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*/
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public function offsetUnset($offset)
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{
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throw new E_OTS_ReadOnly();
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}
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/**
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* Returns string representation of object.
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*
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* <p>
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* If any display driver is currently loaded then it uses it's method.
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* </p>
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*
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* @version 0.1.3
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* @since 0.1.3
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* @return string String representation of object.
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*/
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public function __toString()
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{
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$ots = POT::getInstance();
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// checks if display driver is loaded
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if( $ots->isDataDisplayDriverLoaded() )
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{
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return $ots->getDataDisplayDriver()->displayMonstersList($this);
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}
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return (string) $this->count();
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}
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}
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/**#@-*/
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?>
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