JinChanChan/Assets/Scripts/BeiBao/InventorySlot.cs

namespace BeiBao
{
    /// <summary>
    /// 背包格子类
    /// 每个背包格子存储一种物品，并管理物品数量和堆叠。
    /// </summary>
    public class InventorySlot
    {
        private Item _item;

        /// <summary>
        /// 物品
        /// </summary>
        public Item Item => _item;

        public bool IsEmpty => Item == null;

        // 将物品添加到格子中
        public bool AddItem(Item item, int quantity)
        {
            if (IsEmpty)
            {
                _item = item;
                return Item.AddQuantity(quantity) == 0;
            }

            if (Item.ItemID == item.ItemID && Item.Quantity < Item.MaxStack)
            {
                int remaining = Item.AddQuantity(quantity);
                return remaining == 0;
            }
            return false;
        }

        // 从格子中取出物品
        public bool RemoveItem(int quantity)
        {
            if (Item != null && Item.RemoveQuantity(quantity))
            {
                if (Item.Quantity == 0)
                {
                    _item = null; // 如果物品数量为零，则清空格子
                }
                return true;
            }
            return false;
        }
    }

}