考虑这种情况,游戏中背包可以存放道具(Item)和装备(Equipment),道具可使用可堆叠不可装备,装备可装备不可使用不可堆叠。他们都继承自物品(Stuff)。定义如下:
public enum StuffType
{
Item,
Equipment,
Material,
}
public abstract class Stuff
{
public int id;
public readonly StuffType type;
public Stuff(StuffType stuffType, int stuffId)
{
type = stuffType;
id = stuffId;
}
}
public class Item : Stuff
{
public Item(int stuffId):base(StuffType.Item, stuffId)
{
}
}
public class Equipment : Stuff
{
public Equipment(int stuffId):base(StuffType.Equipment, stuffId)
{
}
}
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