AlchemyPotionBrewer.java 文件源码

private static boolean removeIngredient(BrewerInventory inventory, Player player) {
    ItemStack ingredient = inventory.getIngredient() == null ? null : inventory.getIngredient().clone();

    if (isEmpty(ingredient) || !isValidIngredient(player, ingredient)) {
        return false;
    }
    else if (ingredient.getAmount() <= 1) {
        inventory.setIngredient(null);
        return true;
    }
    else {
        ingredient.setAmount(ingredient.getAmount() - 1);
        inventory.setIngredient(ingredient);
        return true;
    }
}