C# 之 扑克游戏 -- 21点规则介绍和代码实现
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C# 之 扑克游戏 -- 21点规则介绍和代码实现
一,游戏介绍
1.1 游戏规则
21点又名黑杰克,该游戏由2到6个人玩,使用除大小王之外的52张牌,游戏者的目标是使手中的牌的点数之和不超过21点且尽量大。
1.2 牌点计算
A至10牌,按其原点数计算;J、Q、K都算作10点。
1.3 判断胜负
二十一点玩法规则和概率在二十一点游戏中,拥有最高点数的玩家获胜,其点数必须等于或低于21点;超过21点的玩家称为爆牌。拥有最高点数的玩家获胜,其点数必须等于或低于21点;超过21点之间判负。
二,游戏设计
2.1 游戏流程
-
发牌:
玩家和AI每人发两张牌,由手牌点数和大的玩家优先选择是否在牌堆中取牌 -
取牌:
手牌点数和小于21,等待1中优先选择后再顺时针轮到其他玩家选择是否取牌 -
取牌后:
若牌点大于21则直接判负出局,场上只剩1人,直接游戏结束;否则重复2-3
若牌点小于等于21则轮到下家取牌,重复2-3 -
游戏结束
其他玩家取牌后都超过21点,只剩1人,直接获胜
所有玩家都选择不取牌后,按规则比较所有玩家手牌点数和,牌点大的获胜。
2.2 玩家类
由玩家自己选择是否继续拿牌。(输入Y继续拿牌,N为不拿牌)
2.3 AI类
简化AI逻辑,发牌后AI手牌和为4-8时继续拿牌,一直到17点或17点以上不再拿牌;因为此时再拿牌就有一半以上的概率超过21点。
三,参考代码
using System;
namespace _21dian
using System;
using System.Collections.Generic;
namespace Game21Points
class Project
static void Main(string[] args)
Console.WriteLine("----- 游戏开始 -----");
// 扑克牌
List<int> cards = new List<int>()
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52
;
// 创建对象
Poker poker = new Poker(cards);
Player player = new Player();
AIPlayer ai = new AIPlayer();
// --> 玩家入场
player.playerName = "Czhenya";
ai.playerName = "AI";
poker.AddPlayer(player);
poker.AddPlayer(ai);
// 事件关系绑定
poker.GameSratrHandler += player.GameStart;
poker.GameSratrHandler += ai.GameStart;
// 游戏开始
poker.GameStart();
// 每人发两张牌
poker.SendCard();
poker.SendCard();
// 询问取牌
poker.TaskCard();
Console.ReadKey();
abstract class AbsPlayer
public string playerName;
public bool IsContinueTakeCard = true;
public List<int> handCards = new List<int>();
public abstract void GameStart();
public virtual void SendCard(int card)
handCards.Add(card);
public abstract bool TakeCard();
public bool GameOver()
bool isGameOver;
if (HandCardsPoint > 21)
isGameOver = true;
else
isGameOver = !IsContinueTakeCard;
return isGameOver;
public int HandCardsPoint get return PokeTools.HandCardsSum(handCards);
class Player : AbsPlayer
public override void GameStart()
handCards.Clear();
Console.WriteLine("玩家整理了一下衣服,准备开局;");
public override void SendCard(int card)
handCards.Add(card);
Console.WriteLine("玩家发牌:" + PokeTools.PokerBrandByPoint(card));
public override bool TakeCard()
Console.WriteLine("当前您的手牌点数和为:" + HandCardsPoint);
Console.WriteLine("是否继续取牌(Y/N)?");
string readStr = Console.ReadLine();
// 输入Y取牌,其他为不取牌
IsContinueTakeCard = readStr.Equals("Y");
return IsContinueTakeCard;
class AIPlayer : AbsPlayer
public override void GameStart()
handCards.Clear();
Console.WriteLine("AI:清理一下内存,与之一战;");
public override void SendCard(int card)
base.SendCard(card);
Console.WriteLine("AI发牌:" + PokeTools.PokerBrandByPoint(card));
public override bool TakeCard()
// 手牌数点数小于17,就继续取牌
return HandCardsPoint < 17;
class Poker
List<AbsPlayer> players = new List<AbsPlayer>();
public Action GameSratrHandler;
public Action<int> SendCardHandler;
public Func<int, bool> TaskCardHandler;
// 发牌用
List<int> sendCards;
public Poker(List<int> cards)
// 复制一份发牌用
sendCards = new List<int>(cards);
public void AddPlayer(AbsPlayer player)
players.Add(player);
public void GameStart()
for (int i = 0; i < players.Count; i++)
if (!players[i].GameOver())
players[i].GameStart();
/// <summary>
/// 发牌 -- 会剔除已经发过的牌
/// </summary>
public void SendCard()
for (int i = 0; i < players.Count; i++)
players[i].SendCard(SendOneCard());
int SendOneCard()
// 随机发一张牌
Random random = new Random();
int index = random.Next(0, sendCards.Count);
// 取到牌值
int cardPoint = sendCards[index];
// 从手牌中移除 --> 为避免发到相同的牌
sendCards.RemoveAt(index);
return cardPoint;
public void TaskCard()
for (int i = 0; i < players.Count; i++)
// 选择取牌后再发一张牌
if (players[i].TakeCard())
players[i].SendCard(SendOneCard());
Console.WriteLine($"玩家:players[i].playerName 手牌:PokeTools.ShowHandCard(players[i].handCards)");
if (!GameOver())
TaskCard();
public bool GameOver()
int playerCount = 0;
for (int i = 0; i < players.Count; i++)
if (!players[i].GameOver())
playerCount++;
bool isGameOver = playerCount <= 1;
if (isGameOver)
Console.WriteLine("游戏结束:");
List<AbsPlayer> playerList = new List<AbsPlayer>();
int maxPoint = 0;
for (int i = 0; i < players.Count; i++)
if (players[i].HandCardsPoint > 21)
Console.WriteLine($"玩家:players[i].playerName 爆牌了" );
else
playerList.Add(players[i]);
if (maxPoint < players[i].HandCardsPoint)
maxPoint = players[i].HandCardsPoint;
if (playerList.Count == 0)
Console.WriteLine("平局");
else if (playerList.Count == 1)
Console.WriteLine($"玩家:playerList[0].playerName 赢了");
else
for (int i = 0; i < playerList.Count; i++)
if (maxPoint == playerList[i].HandCardsPoint)
Console.WriteLine($"玩家:playerList[i].playerName 赢了");
return isGameOver;
class PokeTools
/// <summary>
/// 根据牌点返回牌名 如:14 ->红桃3
/// </summary>
/// <param name="card"></param>
/// <returns></returns>
public static string PokerBrandByPoint(int card)
if (card > 52 || card <= 0)
Console.WriteLine("不是扑克牌点");
return "不是扑克牌点";
string[] flowerColor = new string[4] "黑桃", "红桃", "梅花", "方片" ;
string[] points = new string[13] "K", "A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q" ;
int huaSe = (card - 1) / 13;
int point = card % 13;
// 返回花色 + 牌点 如:红桃3
return flowerColor[huaSe] + points[point];
/// <summary>
/// 手牌求和
/// </summary>
/// <param name="handCards"></param>
/// <returns></returns>
public static int HandCardsSum(List<int> handCards)
// "K", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q"
int[] points = new int[13] 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10 ;
int sumRes = 0;
for (int i = 0; i < handCards.Count; i++)
sumRes += points[handCards[i] % 13];
return sumRes;
// 显示手牌
public static (string, string) ShowHandCard(List<int> handCards)
string resStr = "";
for (int i = 0; i < handCards.Count; i++)
resStr += PokeTools.PokerBrandByPoint(handCards[i]);
if (handCards.Count - 1 != i)
resStr += ",";
return (resStr, "牌点和:" + PokeTools.HandCardsSum(handCards));
测试结果:
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