Terraria.Chest.AddShop C# (CSharp) Method

        public void AddShop(Item newItem)
        {
            for (int index = 0; index < 39; ++index)
            {
                if (item[index] == null || item[index].itemId == 0)
                {
                    item[index] = newItem.Clone();
                    item[index].favorited = false;
                    item[index].buyOnce = true;
                    if (item[index].value <= 0)
                        break;
                    item[index].value = item[index].value / 5;
                    if (item[index].value >= 1)
                        break;
                    item[index].value = 1;
                    break;
                }
            }
        }