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Posted

How can I detect a certain item and delete it? [1.16.5] 

It’s supposed to be done in onItemUseFirst 

I’ve tried:

playerinventory.contains(new Itemstack(ITEM))

(ITEM is whatever a item)

but it failed

 

On 11/13/2021 at 1:48 PM, MattZM said:

How can I detect a certain item and delete it? [1.16.5] 

If you want to check for a certain item and delete all stacks of it from the player inventory, you could do something like this:

IItemHandler inventory = new PlayerMainInvWrapper(player.inventory);
for (int i = 0; i < inventory.getSlots(); i++)
	if (inventory.getStackInSlot(i).getItem() == <THE ITEM YOU WANT TO DELETE>)
		inventory.extractItem(i, inventory.getSlotLimit(i), false);

The IItemHandler is a class provided by Forge that makes manipulation of inventories easier, which is why it is advantageous to use that instead of manipulating the player inventory directly.

 

EDIT: Or do you want to consume the item you are using? The you could do stack.shrink(1) or similar on the item stack in question.

Edited by vemerion

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