.Net Core——用SignalR撸个游戏
2024-10-19 15:38:44
之前开内部培训，说到实时web应用这一块讲到了SignalR，我说找时间用它做个游戏玩玩，后面时间紧张就一直没安排。这两天闲了又想起这个事，考虑后决定用2天时间写个斗D主，安排了前端同学写客户端，我写游戏逻辑和服务。
这个项目难度并不高，但是游戏逻辑还是挺绕的，联调过程中也发现解决了很多小问题。来园子里整理一篇文章，记录一下。
基础的介绍就免了，毕竟官网跟着走两圈啥都懂了。没基础的可以戳这里，是我之前写的一篇SignalR基础介绍，带有一个极简聊天室。
tips：文章结尾有开源地址，游戏数据都是本地的，改下IP运行起来就可以玩了。
直接上干货，首先是数据模型：
/// <summary>
/// 用户信息
/// </summary>
public class Customer
{
/// <summary>
/// 唯一ID
/// </summary>
public string? ID { get; set; } /// <summary>
/// 昵称
/// </summary>
public string? NickName { get; set; } /// <summary>
/// 卡片
/// </summary>
public List<string> Card { get; set; }
} /// <summary>
/// 房间
/// </summary>
public class Room
{
/// <summary>
/// 房间名
/// </summary>
public string Name { get; set; } /// <summary>
/// 房主id
/// </summary>
public string Masterid { get; set; } /// <summary>
/// 当前出牌人
/// </summary>
public int Curr { get; set; } /// <summary>
/// 当前卡片
/// </summary>
public List<string> CurrCard { get; set; } = new List<string>(); /// <summary>
/// 当前卡片打出人
/// </summary>
public string ExistingCardClient { get; set; } /// <summary>
/// 房间成员列表
/// </summary>
public List<Customer> Customers { get; set; } = new List<Customer>();
}
tips：只是单纯为了斗D主设计的，商用版肯定不能这么搞，参考请慎用。
有了数据模型，自然少不了CRUD：
/// <summary>
/// 用户操作
/// </summary>
public static class CustomerAction
{
/// <summary>
/// 用户列表
/// </summary>
private static List<Customer> cusList = new List<Customer>(); /// <summary>
/// 不存在则新增，存在则修改昵称
/// </summary>
/// <param name="customer"></param>
public static void Create(Customer customer)
{
Customer curr = null; if (cusList.Count > 0)
curr = cusList.Where(x => x.ID == customer.ID).FirstOrDefault(); if (curr is null)
cusList.Add(customer);
else
{
curr.NickName = customer.NickName; Up4ID(curr);
}
} /// <summary>
/// 用户列表
/// </summary>
/// <returns></returns>
public static List<Customer> GetList()
{
return cusList;
} /// <summary>
/// 获取单个
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static Customer GetOne(string id)
{
return cusList.Where(x => x.ID == id).FirstOrDefault();
} /// <summary>
/// 删除用户
/// </summary>
/// <param name="id"></param>
public static void Delete(string id)
{
cusList.RemoveAll(x => x.ID == id);
} /// <summary>
/// 增加卡片
/// </summary>
/// <param name="id"></param>
/// <param name="cards"></param>
public static void InCard(string id, List<string> cards)
{
Customer customer = cusList.Where(x => x.ID == id).FirstOrDefault(); if (customer.Card is null)
customer.Card = cards;
else
customer.Card.AddRange(cards); Up4ID(customer);
} /// <summary>
/// 扣除卡片
/// </summary>
/// <param name="id"></param>
/// <param name="cards"></param>
/// <param name="group"></param>
/// <returns></returns>
public static bool OutCard(string id, List<string> cards, Room group)
{
Customer client = cusList.Where(x => x.ID == id).FirstOrDefault(); if (client is null)
return false; //卡片不匹配直接失败
if (client.Card.Where(x => cards.Contains(x)).ToList().Count != cards.Count)
return false; //不符合出牌规则直接失败
if (!new Game.WithCard().Rule(group.CurrCard, cards, group.ExistingCardClient is null || group.ExistingCardClient == id))
return false; foreach (var item in cards)
{
client.Card.Remove(item);
} group.CurrCard = cards; group.ExistingCardClient = id; Up4ID(client); RoomAction.Up4Name(group); return true;
} /// <summary>
/// 更新（根据ID）
/// </summary>
/// <param name="customer"></param>
/// <returns></returns>
public static bool Up4ID(Customer customer)
{
if (cusList.Count == 0)
return false; cusList.RemoveAll(x => x.ID == customer.ID); cusList.Add(customer); return true;
}
} /// <summary>
/// 房间操作
/// </summary>
public static class RoomAction
{
/// <summary>
/// 房间列表
/// </summary>
private static List<Room> roomList = new List<Room>(); /// <summary>
/// 新增房间
/// 如果房间已存在则不新增
/// </summary>
/// <param name="group"></param>
public static void Create(Room group)
{
if (!roomList.Where(x => x.Name == group.Name).Any())
roomList.Add(group);
} /// <summary>
/// 获取列表
/// </summary>
/// <returns></returns>
public static List<Room> GetList()
{
return roomList;
} /// <summary>
/// 获取单个
/// </summary>
/// <param name="masterid">房主id</param>
/// <param name="roomName">房间名称</param>
/// <returns></returns>
public static Room GetOne(string masterid = null, string roomName = null)
{
if (roomList.Count == 0)
return null; if (masterid != null)
return roomList.Where(x => x.Masterid == masterid).FirstOrDefault(); if (roomName != null)
return roomList.Where(x => x.Name == roomName).FirstOrDefault(); return null;
} /// <summary>
/// 加入房间
/// </summary>
/// <param name="client"></param>
/// <param name="roomName"></param>
public static bool Join(Customer client, string roomName)
{
if (roomList.Count == 0)
return false; var room = roomList.Where(x => x.Name == roomName).FirstOrDefault(); if (room is null)
return false; if (room.Customers.Count == 3)
return false; room.Customers.Add(client); Up4Name(room); return true;
} /// <summary>
/// 删除房间
/// </summary>
/// <param name="masterid">房主id</param>
public static bool Delete(string masterid)
{
if (roomList.Count == 0)
return false; var room = roomList.Where(x => x.Masterid == masterid).FirstOrDefault(); if (room == null)
return false; roomList.Remove(room); return true;
} /// <summary>
/// 更新（根据房名）
/// </summary>
/// <param name="room"></param>
/// <returns></returns>
public static bool Up4Name(Room room)
{
if (roomList.Count == 0)
return false; roomList.RemoveAll(x => x.Name == room.Name); roomList.Add(room); return true;
} /// <summary>
/// 更新当前出牌人
/// </summary>
/// <param name="roomName"></param>
/// <param name="index">传入则强制修改，不传按规则走</param>
public static Customer ChangeCurr(string roomName, int index = -1)
{
var room = roomList.Where(x => x.Name == roomName).FirstOrDefault(); if (index != -1)
room.Curr = index;
else
room.Curr = (room.Curr + 1) % 3; Up4Name(room); return room.Customers[room.Curr];
}
}
因为所有数据都是通过静态属性保存的，所以大部分都是linq操作（原谅我linq水平有限）。
接下来是游戏逻辑：
/// <summary>
/// 卡片相关
/// </summary>
public class WithCard
{
/// <summary>
/// 黑桃-S、红桃-H、梅花-C、方块-D
/// BG大王，SG小王，14-A，15-2
/// </summary>
readonly List<string> Cards = new List<string>()
{
"S-14","S-15","S-3","S-4","S-5","S-6","S-7","S-8","S-9","S-10","S-11","S-12","S-13",
"H-14","H-15","H-3","H-4","H-5","H-6","H-7","H-8","H-9","H-10","H-11","H-12","H-13",
"C-14","C-15","C-3","C-4","C-5","C-6","C-7","C-8","C-9","C-10","C-11","C-12","C-13",
"D-14","D-15","D-3","D-4","D-5","D-6","D-7","D-8","D-9","D-10","D-11","D-12","D-13",
"BG-99","SG-88"
}; /// <summary>
/// 发牌
/// </summary>
public List<List<string>> DrawCard()
{
List<string> a = new List<string>();
List<string> b = new List<string>();
List<string> c = new List<string>(); Random ran = new Random(); //剩3张底牌
for (int i = 0; i < 51; i++)
{
//随机抽取一张牌
string item = Cards[ran.Next(Cards.Count)]; switch (i % 3)
{
case 0:
a.Add(item);
break;
case 1:
b.Add(item);
break;
case 2:
c.Add(item);
break;
} Cards.Remove(item);
} return new List<List<string>>()
{
a,b,c,Cards
};
} /// <summary>
/// 规则
/// </summary>
/// <param name="existingCard"></param>
/// <param name="newCard"></param>
/// <param name="isSelf"></param>
/// <returns></returns>
public bool Rule(List<string> existingCard, List<string> newCard, bool isSelf)
{
//现有牌号
List<int> existingCardNo = existingCard.Select(x => Convert.ToInt32(x.Split('-')[1])).ToList().OrderBy(x => x).ToList(); //新出牌号
List<int> newCardNo = newCard.Select(x => Convert.ToInt32(x.Split('-')[1])).ToList().OrderBy(x => x).ToList(); //上一手是王炸，禁止其他人出牌
if (existingCardNo.All(x => x > 50) && existingCardNo.Count == 2)
{
if (isSelf)
return true;
else
return false;
} //王炸最大
if (newCardNo.All(x => x > 50) && newCard.Count == 2)
return true; //单张
if (newCardNo.Count == 1)
{
if (existingCardNo.Count == 0)
return true; if ((existingCardNo.Count == 1 && newCardNo[0] > existingCardNo[0]) || isSelf)
return true;
} //对子/三只
if (newCardNo.Count == 2 || newCardNo.Count == 3)
{
if (existingCardNo.Count == 0 && newCardNo.All(x => x == newCardNo[0]))
return true; if (newCardNo.All(x => x == newCardNo[0]) && (isSelf || newCardNo.Count == existingCardNo.Count && newCardNo[0] > existingCardNo[0]))
return true;
} if (newCard.Count == 4)
{
//炸
if (newCardNo.All(x => x == newCardNo[0]))
{
if (existingCardNo.Count == 0 || isSelf)
return true; if (existingCardNo.All(x => x == existingCardNo[0]) && existingCardNo.Count == 4)
{
if (newCardNo[0] > existingCardNo[0])
return true;
} return true;
} //三带一
{
List<int> flagA = newCardNo.Distinct().ToList(); //超过2种牌直接失败
if (flagA.Count > 2)
return false; //没有上一手牌，或者上一手是自己出的牌
if (existingCardNo.Count == 0 || isSelf)
return true; int newCardFlag = 0; if (newCardNo.Where(x => x == flagA[0]).ToList().Count() > 1)
{
newCardFlag = flagA[0];
}
else
newCardFlag = flagA[1]; List<int> flagB = existingCardNo.Distinct().ToList(); //上一手牌不是三带一
if (flagB.Count > 2)
return false; int existingCardFlag = 0; if (existingCardNo.Where(x => x == flagB[0]).ToList().Count() > 1)
{
existingCardFlag = flagB[0];
}
else
existingCardFlag = flagB[1]; if (newCardFlag > existingCardFlag)
return true;
}
} if (newCard.Count >= 5)
{
bool flag = true; for (int i = 0; i < newCardNo.Count - 1; i++)
{
if (newCardNo[i] + 1 != newCardNo[i + 1])
{
flag = false;
break;
}
} //顺子
if (flag)
{
if (existingCardNo.Count == 0 || (newCardNo[0] > existingCardNo[0] && newCardNo.Count == existingCardNo.Count) || isSelf)
return true;
}
} return false;
}
}
单张规则和普通斗D主一样（除了王以外2最大，其次是A），多张规则目前支持：王炸、对子、三只、顺子、三带一。目前只做到这里，各位同学可以拿回去自行扩展。
上一些运行图。房主建房并加入：
新玩家加入：
房间人满以后房主开始游戏，随机分配地主：
出牌特效：
游戏结算：
最后附上开源地址（客户端在web分支）：https://gitee.com/muchengqingxin/card-game
tips：前端同学在没有UI配合的情况下做到现在这样，必须给个赞。最后提醒大家，不要拿去商用。
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