21点游戏（套模板的魔改板）

#include<cstring>
#include<iostream>
#include<ctime>
#include<cstdlib>
#include<stdio.h>
using namespace std;
int gCard[52];
int num_card;
struct sCard
{
    int naPip[5];           //一共5张牌
    int nNumber;            //发了多少张牌
    int nDollar;            //有多少钱
    int nGamble;            //赌注
    int nWin;               //赢局数
    int nLose;              //输局数
    int nDraw;              //平局数
};
void initcards(int a[]); //初始化牌：a[] = {1,2,3,4,5,6,7,8,9,10,11,12,13,...}
void shuffle(int a[]);   //洗牌
void DisplayRule();      //printf游戏规则
void init(sCard &);      //初始化结构体sCard
int GetMoney(sCard sc);  //返回nDollar
int SetGamble(sCard &,int);    //设置赌本，赌本不够返回-1
void DisplayInfo(sCard);       //打印必要的信息
void FirstPlayTwo(sCard &cpu, sCard &player);  //最初两张牌
void DisplayPip(sCard);       //依次全部显示牌面点数
void DisplayPip_C(sCard);     //除了第一张牌，依次全部显示牌面点数（针对计算机牌的显示）
void PlayTurn(sCard &,sCard &);   //开始一局游戏
int GetNumber(sCard);        //返回牌数
void TurnPlay(sCard &cpu, sCard &player, bool flag);  //要一张牌，flag为true时player要牌，flag为false时cpu要牌
int GetCurrentCard(sCard);   //返回当前牌点
void Draw(sCard &);         //平局
void Win(sCard &);          //嬴
void Lose(sCard &);         //输
int GetPip(sCard &);        //返回点数
void Judge(sCard &,sCard &);
int main()
{
    srand((unsigned)time(NULL));
    sCard cpu, player;
    init(cpu);///玩家初始化
    init(player);///电脑初始化
    int blLogic;
    int nMoney;
    DisplayRule();///游戏规则
    char chChoice;
    cout<<"是否现在开始游戏(Y/N)？\n";
    cin>>chChoice;
    while(chChoice=='Y'||chChoice=='y')
    {
        num_card=0;
        do
        {
            cout<<"您现在有赌本：$"<<GetMoney(player);
            cout<<"\n请下注（赌注不能超过赌本）：";
            cin>>nMoney;
            blLogic = SetGamble(player, nMoney);
            if(blLogic)
                cout<<"您的赌本不够，请重新下注！\n";
        }
        while(blLogic);///直到输入正确的赌本为止
        PlayTurn(cpu,player);
        cout<<"是否继续21点游戏（Y/N）？\n";
        cin>>chChoice;
    }
    DisplayInfo(player);
    cout<<"\n\n您是明智的，赌博是不好的！回去好好学习去~！\n"<<endl<<endl;
    cout<<"欢迎再次使用本程序，该程序由蒲大人抄录！\n\n";
    return 0;
}

void initcards(int a[52])///初始化牌
{
    int i,j,k;
    for(i=0; i<4; i++)
    {
        for(j=0; j<13; j++)
        {
            gCard[k++]=j+1;
        }
    }
}

void shuffle(int a[])///洗牌函数
{
    int x[4][13],i,j,num,k;
    int b[52]= {0};
    srand(time(NULL));
    for(i=0; i<4; i++)//用来储存扑克牌
    {
        for(j=0; j<13; j++)
        {
            x[i][j]=j+1;
        }
    }
    num=0;
    while(1)//产生52张扑克牌
    {
        if(num>=52)
        {
            break;
        }
        k=rand()%52;
        for(j=0; j<num; j++)//之前产生的扑克牌将不会再次出现，在这里只会出现0~52
        {
            if(k==b[j])
            {
                break;
            }
        }
        if(j==num)
        {
            b[num]=k;
            gCard[num]=x[k/13][k%13];
            num++;
        }
    }
    return ;
}

void init(sCard &sc)
{
    sc.nNumber = 0;
    sc.nDollar = 100;//设赌注为100块钱
    for(int i = 0; i<5; i++)
        sc.naPip[i] = 0;
    sc.nGamble = 0;
    sc.nWin = 0;
    sc.nLose = 0;
    sc.nDraw = 0;
}

void DisplayRule()
{
    printf("澳门皇家赌场正式上线了\n");
    printf("先推出21点小游戏\n");
    printf("游戏规则如下：\n");
    printf("玩家最多可以有5张牌\n");
    printf("如果牌点总数大于21则爆点，失败\n");
    printf("新手，祝你好运!\n");
}

int GetMoney(sCard sc)///返回赌资
{
    return sc.nDollar;
}

int SetGamble(sCard &sc,int gamble)//设置赌本
{
    if((sc.nDollar - gamble<0)||gamble<0)///不够赌本
    {
        return -1;
    }
    sc.nGamble=gamble;
    sc.nDollar -= sc.nGamble;///玩一局都会将赌注当做押金
    return 0;
}

void PlayTurn(sCard &cpu,sCard &player)
{

    char chChoice;
    int blCpu = 1,blPlayer = 1;
    initcards(&gCard[52]);
    shuffle(&gCard[52]);
    FirstPlayTwo(cpu,player);
    do
    {
        cout<<"您的牌点：\t";
        DisplayPip(player);
        cout<<"计算机牌点：\t";
        DisplayPip_C(cpu);
        cout<<"您的牌点数是："<<GetPip(player)<<endl;
        if(blPlayer)
        {
            cout<<"\n\n您是否继续要牌（Y/N)\n";
            cin >>chChoice;
            if((chChoice == 'Y'||chChoice == 'y'))
            {
                if(GetNumber(player)<5)
                {
                    TurnPlay(cpu,player,true);
                    cout<<"这是您想要的牌:"<<GetCurrentCard(player)<<endl;
                    if(GetPip(player)>21)
                    {
                        blPlayer = 0;///爆牌
                    }
                }
                else
                {
                    cout<<"对不起，您已经要了5张牌了，不能在要牌了！";
                    blPlayer = 0;
                }
            }
        }
        if((chChoice =='N') ||(chChoice == 'n'))//按n退出
        {
            blPlayer = 0;
        }
        if(GetPip(cpu)<16 && GetNumber(cpu)<5)///对计算机要牌的限定
        {
            TurnPlay(cpu,player,false);
            cout<<"计算机要牌，牌点是："<<GetCurrentCard(cpu)<<endl;
        }
        else
        {
            blCpu = 0;
        }
        if(blCpu&&GetNumber(player)<5&&GetPip(player)<21)
            blPlayer = 1;

    }
    while(blCpu||blPlayer);
    Judge(cpu,player);//判定胜负
}

void DisplayInfo(sCard sc)
{
    cout<<"您一共玩了"<<sc.nWin+sc.nLose+sc.nDraw<<"局,"<<"赢了"<<sc.nWin<<"局,"<<"输了"<<sc.nLose<<"局，"<<"平局"<<sc.nDraw<<"局"<<endl;
    cout<<"您的赌资共计有：$"<<sc.nDollar<<".\n";
}
void FirstPlayTwo(sCard &cpu, sCard &player)
{
    player.naPip[0] = gCard[num_card++];
    player.naPip[1] = gCard[num_card++];
    player.nNumber = 2;
    cpu.naPip[0] = gCard[num_card++];
    cpu.naPip[1] = gCard[num_card++];
    cpu.nNumber = 2;
}

void DisplayPip(sCard sc)
{
    int i;
    for(i = 0; i<sc.nNumber; i++)
        cout<<sc.naPip[i]<<'\t';
    cout<<endl;
}
void DisplayPip_C(sCard sc)
{
    int i;
    cout<<"[*]"<<'\t';
    for(i = 1; i<sc.nNumber; i++)
        cout<<sc.naPip[i]<<'\t';
    cout<<endl;
}

int GetPip(sCard &sc)
{
    int a = 0;
    int i;
    for(i = 0; i<sc.nNumber; i++)
    {
        if(sc.naPip[i]>=10)///10以上的控制在10
        {
            a +=10;
        }
        else
        {
            a+=sc.naPip[i];
        }
    }
    return a;
}

int GetNumber(sCard sc)//返回已经发的牌
{
    return sc.nNumber;
}

void TurnPlay(sCard &cpu, sCard &player, bool flag)
{
    if(flag==true)
    {
        player.nNumber++;
        player.naPip[player.nNumber-1] = gCard[num_card++];
    }
    else if(flag==false)
    {
        cpu.nNumber++;
        cpu.naPip[player.nNumber-1] = gCard[num_card++];
    }
}

int GetCurrentCard(sCard sc)//返回当前的牌点
{
    return sc.naPip[sc.nNumber-1];
}

void Judge(sCard &cpu,sCard &player)
{
    printf("\n");
    if((GetPip(cpu)>21&&GetPip(player)>21) || GetPip(cpu) == GetPip(player))///平局局面
    {
        printf("\n\n双方平局！\n");
        printf("计算机数据：\t");
        DisplayPip(cpu);
        cout<<"牌面点数："<<GetPip(cpu)<<endl;
        cout<<"\n您的数据\t";
        Draw(player);
        cout<<endl;
    }
    else if((GetPip(cpu)>21)||(GetPip(player)>GetPip(cpu) && GetPip(player)<=21))///胜利
    {
        printf("\n\n恭喜您，您赢了！\n");
        cout<<"计算机数据：\t";
        DisplayPip(cpu);
        cout<<"牌面点数："<<GetPip(cpu)<<endl;
        cout<<"\n您的数据\t";
        Win(player);
        cout<<endl;

    }
    else//失败
    {
        cout<<"\n\n很遗憾，您输了！\n";
        cout<<"计算机数据：\t";
        DisplayPip(cpu);
        cout<<"牌面点数："<<GetPip(cpu)<<endl;
        cout<<"\n您的数据\t";
        Lose(player);
        cout<<endl;

    }

}

void Draw(sCard &sc)///平局局面
{
    sc.nDraw++;
    sc.nDollar+=sc.nGamble;
    DisplayPip(sc);
    if(GetPip(sc)>21)
    {
        cout<<"爆了! \n";
        cout<<"牌面点数："<<GetPip(sc)<<endl;
    }
    else
    {
        cout<<"牌面点数："<<GetPip(sc)<<endl;
    }
    cout<<"赌本：$"<<sc.nDollar<<" 赢了"<<sc.nWin<<"次"<<"输了"<<sc.nLose<<"次 "<<"平局 "<<sc.nDraw<<"次 "<<endl;
    cout<<endl<<endl;
}

void Win(sCard &sc)
{
    sc.nWin++;
    DisplayPip(sc);
    cout<<"牌面点数: "<<GetPip(sc)<<endl;
    sc.nDollar = sc.nDollar +2*sc.nGamble;
    cout<<"赌本：$"<<sc.nDollar<<" 赢了"<<sc.nWin<<"次"<<"输了"<<sc.nLose<<"次 "<<"平局"<<sc.nDraw<<"次"<<endl;
    cout <<endl<<endl;

}

void Lose(sCard &sc)
{
    sc.nLose ++;
    DisplayPip(sc);
    if(GetPip(sc)>21)
    {
        cout<<"爆了！\n";
        cout<<"牌面点数： "<<GetPip(sc)<<endl;
    }
    else
    {
        cout<<"牌面点数： "<<GetPip(sc)<<endl;
    }
    cout<<"赌本：$"<<sc.nDollar<<" 赢了"<<sc.nWin<<"次"<<"输了"<<sc.nLose<<"次 "<<"平局 "<<sc.nDraw<<"次 "<<endl;
    cout<<endl<<endl;
}