c#入门第十七课背包

背包物品的获取，添加，消耗

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7._24.Item
{
//背包类
class Bag
{
//物品数组
public List<Item> items = new List<Item>();

//得到物品
public Item GetItem(int id)
{
foreach(Item item in items)
{
if (item.id == id)
{
return item;
}
}
return null;
}

//添加物品
public bool AddItem(int id)
{
if (ItemManager.Instance.GetItemData(id) == null)
{
return false;
}
Item item = GetItem(id);
//如果已经存在
if (item != null)
{
item.count++;
}
else
{
//如果不存在
item = new Item();
item.id = id;
item.name = ItemManager.Instance.GetItemData(id).name;
item.count = 1;
//添加到背包中
items.Add(item);
}
return true;
}

//消耗物品
public bool RemoveItem(int id)
{
//判断游戏是否存在这一物品
if (ItemManager.Instance.GetItemData(id) == null)
{
return false;
}
//判断要消耗的物品
Item item = GetItem(id);
if (item != null)
{
//消耗
item.count--;
if (item.count <= 0)
{
items.Remove(item);
Game.player.maxHp += 20;
Game.player.currentHp = Game.player.maxHp;
}
return true;
}
else
{
Debug.Log("你没有这种东西");
return false;
}
}

//输出物品集合
public void Out()
{
Debug.Log("你的背包里有：",ConsoleColor.Yellow);
foreach (Item a in items)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.Write(a.name + "x" + a.count+" ");
Console.ForegroundColor = ConsoleColor.White;
}
Console.WriteLine();
}

}
}

背包物品的属性

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7._24.Item
{
//物品类
class Item
{
//物品id
public int id;
public string name;
public int count;
}
}

游戏内物品的各种数据

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7._24.Item
{
abstract class ItemData
{
public int id;
public string name;
public string des;
public int price;

public abstract void Start();
}

abstract class EquipData : ItemData
{
public int atk;
public int def;
}
class A : ItemData
{
public A()
{
id = 1011;
name = "小血瓶";
des = "回一点点血量";
price = 50;
}
public override void Start()
{

}
}
class B : ItemData
{
public B()
{
id = 1012;
name = "血瓶";
des = "回血量";
price = 100;
}
public override void Start()
{

}
}
class C : ItemData
{
public C()
{
id = 1013;
name = "大血瓶";
des = "回大量血量";
price = 150;
}
public override void Start()
{

}
}

class Dao : EquipData
{
public Dao()
{
atk = 100;
def = 100;
id = 1001;
name = "刀";
price = 100;
des = "很普通";
}

public override void Start()
{

}
}

}

游戏内物品的字典库

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7._24.Item
{
class ItemManager
{
private static ItemManager instance;
public static ItemManager Instance
{
get
{
if (instance == null)
{
instance = new ItemManager();
}
return instance;
}
}
//物品id 物品数据
public Dictionary<int, ItemData> itemdic = new Dictionary<int, ItemData>();

private ItemManager()
{
ItemData itemData1 = new Dao();
ItemData itemData2 = new A();
ItemData itemData3 = new B();
ItemData itemData4 = new C();
itemdic.Add(itemData1.id, itemData1);
itemdic.Add(itemData2.id, itemData2);
itemdic.Add(itemData3.id, itemData3);
itemdic.Add(itemData4.id, itemData4);
}
public ItemData GetItemData(int id)
{
if (itemdic.ContainsKey(id))
{
return itemdic[id];
}
else
{
return null;
}
}

}
}