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Item: added count parameter to pop()

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this allows popping an arbitrary number of items from the stack, instead of just 1.
This commit is contained in:
Dylan K. Taylor 2018-05-29 10:21:04 +01:00
parent ad15ab5b42
commit e3d2fa10a5
1 changed files with 9 additions and 7 deletions
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16
src/pocketmine/item/Item.php
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@ -597,19 +597,21 @@ class Item implements ItemIds, \JsonSerializable{
/**
* Pops an item from the stack and returns it, decreasing the stack count of this item stack by one.
* @return Item
*
* @throws \InvalidStateException if the count is less than or equal to zero, or if the stack is air.
* @param int $count
*
* @return Item
* @throws \InvalidArgumentException if trying to pop more items than are on the stack
*/
public function pop() : Item{
if($this->isNull()){
throw new \InvalidStateException("Cannot pop an item from a null stack");
public function pop(int $count = 1) : Item{
if($count > $this->count){
throw new \InvalidArgumentException("Cannot pop $count items from a stack of $this->count");
}
$item = clone $this;
$item->setCount(1);
$item->count = $count;
$this->count--;
$this->count -= $count;
return $item;
}