BaseInventory: clean up max stack size handling

we can safely assume that:
- the inventory's max stack size won't change during the operation
- two items which stack together have the same max stack size
- the item's max stack size won't change during the operation
This commit is contained in:
Dylan K. Taylor 2023-04-27 20:27:05 +01:00
parent 07dc10d6e6
commit 709d874204
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@ -171,13 +171,15 @@ abstract class BaseInventory implements Inventory{
public function getAddableItemQuantity(Item $item) : int{
$count = $item->getCount();
$maxStackSize = min($this->getMaxStackSize(), $item->getMaxStackSize());
for($i = 0, $size = $this->getSize(); $i < $size; ++$i){
if($this->isSlotEmpty($i)){
$count -= min($this->getMaxStackSize(), $item->getMaxStackSize());
$count -= $maxStackSize;
}else{
$slot = $this->getItem($i);
if($item->canStackWith($slot)){
if(($diff = min($slot->getMaxStackSize(), $item->getMaxStackSize()) - $slot->getCount()) > 0){
if(($diff = $maxStackSize - $slot->getCount()) > 0){
$count -= $diff;
}
}
@ -217,6 +219,8 @@ abstract class BaseInventory implements Inventory{
private function internalAddItem(Item $slot) : Item{
$emptySlots = [];
$maxStackSize = min($this->getMaxStackSize(), $slot->getMaxStackSize());
for($i = 0, $size = $this->getSize(); $i < $size; ++$i){
if($this->isSlotEmpty($i)){
$emptySlots[] = $i;
@ -224,8 +228,8 @@ abstract class BaseInventory implements Inventory{
}
$item = $this->getItem($i);
if($slot->canStackWith($item) && $item->getCount() < $item->getMaxStackSize()){
$amount = min($item->getMaxStackSize() - $item->getCount(), $slot->getCount(), $this->getMaxStackSize());
if($slot->canStackWith($item) && $item->getCount() < $maxStackSize){
$amount = min($maxStackSize - $item->getCount(), $slot->getCount());
if($amount > 0){
$slot->setCount($slot->getCount() - $amount);
$item->setCount($item->getCount() + $amount);
@ -239,7 +243,7 @@ abstract class BaseInventory implements Inventory{
if(count($emptySlots) > 0){
foreach($emptySlots as $slotIndex){
$amount = min($slot->getMaxStackSize(), $slot->getCount(), $this->getMaxStackSize());
$amount = min($maxStackSize, $slot->getCount());
$slot->setCount($slot->getCount() - $amount);
$item = clone $slot;
$item->setCount($amount);