RecipeVerifier.java 文件源码

Transaction collect(ShapelessRecipe recipe) {
    List<ItemStack> ingredients = recipe.getIngredientList();
    List<ItemStack> collected = new ArrayList<ItemStack>(ingredients.size());
    INGREDIENTS: for (ItemStack ingredient : ingredients) {
        for (ItemStack item : collected) {
            if (ItemUtils.itemEqualsTypeAndData(item, ingredient)) {
                item.setAmount(item.getAmount() + ingredient.getAmount());
                continue INGREDIENTS;
            }
        }
        collected.add(ingredient);
    }
    return new Transaction(collected, recipe.getResult());
}