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Destroy an item after X time


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Set an expiry date in the ItemStack NBT, e.g. world.getWorldTime() + duration_in_ticks, then compare the current world time to the expiration date.


You won't really be able to reliably 'destroy' the ItemStack if it's in some random container, though, since you'd need to have a reference to the container (i.e. the IInventory) in order to set the contents of the slot to null - just setting the ItemStack to null won't actually affect the container or any other place that has a reference to it. You could, however, decrement the stack size.


Once the stack size is 0, it should (I think...) get removed when a player interacts with it, but to make sure you can override the Item's update tick (which fires every tick the item is in a player's inventory) to remove the itemstack if the stack size is 0.

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