<?php
header("Content-Type: text/plain; charset=utf-8");
mb_internal_encoding("UTF-8");
class Game 
{
	public $hero;
	public $monsters;
	public $gold=0;
	public function __construct($monsters, $items)
	{
		$this->hero = new Hero($items);
		$this->monsters = $monsters;
	}
	public function getKillMonster()
	{
		$monsters = $this->monsters; //копия переменной монстров
		for ($i = 1; $i <= $this->monsters; $i++)
		{
			$items = $this->hero->items;			
			$typeOfNewItem = mt_rand(1, count($items)); //генерация номера слота выпавшего предмета
			$oldItem = $this->hero->getOldItem($typeOfNewItem); //уровень старого предмета
			$newItem = mt_rand (1, ($oldItem +1)); //генерация илвл нового предмета
			if ($newItem >= $oldItem)
			{
			$this->hero->getChangeItem($typeOfNewItem, $newItem); //замена старого предмета новым
			$this->gold += $oldItem; //продажа старого предмета	
			}
			$monsters--;
 
		}
		$this->monsters = $monsters; // количество монстров оставшихся в живых
	}	
}
class Hero
{
	public $items=array();	
	public function __construct($k)
	{
		$items = array();
		for ($i = 1; $i <= $k; $i++)
		{
			$item = new Item($i);
			$items[] = $item;
		} 
		$this->items = $items;
	}
	public function getOldItem($numberItem)//взять илвл старого предмета данного слота
	{
		foreach ($this->items as $item) // перебор, чтобы добраться до нужного предмета
		{
			if ($item->slot == $numberItem) //проверка на подходящий слот
			{
				return $item->itemLvl; //возвращение уровня предмета
			} 
		}		
	}
	public function getChangeItem($numberItem, $itemLvl) //замена старого предмета новым
	{
		foreach ($this->items as $item) // перебор, чтобы добраться до нужного предмета
		{
			if ($item->slot == $numberItem) //проверка на подходящий слот
			{
				$item->itemLvl = $itemLvl; //присвоение нового уровня предмета
			} 
		}		
	}
}
class Item
{
	public $slot;
	public $itemLvl=1;
	public function __construct($slot)
	{
		return $this->slot = $slot;
	}
 
}
function getGame($n, $k)
{
	$game = new Game ($n, $k);
	return $game;
}
$game = getGame(5, 2);
print_r($game);
$game->getKillMonster();
print_r($game);

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