public static boolean removeInventoryItems(PlayerInventory inv, ItemStack item) {
        for (ItemStack is : inv.getContents()) {
            if (is != null && is.getItemMeta().equals(item.getItemMeta())) {
                int amount = item.getAmount();
                int newamount = is.getAmount() - amount;
                if (newamount > 0) {
                    is.setAmount(newamount);
                    return true;
                }
                if (newamount == 0) {
                    inv.removeItem(is);
                    return true;
                }
            }
        }
        return false;
    }