NMSHandler.java 文件源码

@Override
public ItemStack[] getUsedTradingRecipe(MerchantInventory merchantInventory) {
    MerchantRecipe merchantRecipe = merchantInventory.getSelectedRecipe();
    List<ItemStack> ingredients = merchantRecipe.getIngredients();
    ItemStack[] recipe = new ItemStack[3];
    recipe[0] = ingredients.get(0);
    recipe[1] = null;
    if (ingredients.size() > 1) {
        ItemStack buyItem2 = ingredients.get(1);
        if (!Utils.isEmpty(buyItem2)) {
            recipe[1] = buyItem2;
        }
    }
    recipe[2] = merchantRecipe.getResult();
    return recipe;
}