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// C RunTime 標頭檔

#include <stdlib.h>

#include <iostream>

#include <time.h>

#include <string.h>

//撲克牌結構

typedef struct {

    char suit[10];

    int face;

    }pockcard;

//玩家結構

typedef struct {

    char name[20];

    int value;

    int win;

    pockcard card[2];

    }player;

//副程式

//交換牌

void swap(pockcard pock[52],int a, int b);

//拿一付新牌

void TakeNew(int iDeck[][13],pockcard pock[52]);

//洗牌

void wash(pockcard pock[52]);

//亮出所有牌

void show(int iDeck[][13], const char *ccFace[],pockcard pock[52]);

//亮每個人的牌

void showEachone(player *Pman,int iPeoplenum, const char *ccFace[]);

//發牌

int shffle(player *Pman, int iPeoplenum,pockcard *pock,int now);

//算分

int  countgrade(player *Pman, int iPeoplenum);

//主程式

int main() {

    using namespace std;

    const char *face[13]={"A", "2", "3", "4", "5", "6",

       "7", "8", "9", "10", "J", "Q", "K"};

    int iPeoplenum,t,now = 0;

    int pockpie[4][13] = {0};

    char ch = '\0';

    pockcard pock[52] = {0};

    cout << "How many people want to play?:> ";

    cin >> iPeoplenum; //得到人數

    player *PM = new player[iPeoplenum];

    //初始化每個人的資料

    for (int i = 0;i < iPeoplenum;i++) {

       cout << "Player" << i + 1 << "'s name:>";

       cin >> PM[i].name;

       PM[i].value = 0;

       PM[i].win = 0;

       }

    srand(time(0));

    //拿一付新牌

    TakeNew(pockpie, pock);

    //洗牌

    wash(pock);

    //亮出所有牌

    show(pockpie, face, pock);

    printf("\n\n");

    for (;ch != 'n';) {

       //發牌

       now = shffle(PM, iPeoplenum, pock ,now);

       cout << "=============================\n";

       //亮每個人的牌

       showEachone(PM, iPeoplenum, face);

       t = countgrade(PM, iPeoplenum);

       //輸出這回合的成績

       cout << PM[t].name << " win!\n";

       for (int i = 0;i < iPeoplenum;i++)

           cout << PM[i].name << " has " << PM[i].value << " value. ";

       cout << "\n";

       for (int i = 0;i < iPeoplenum;i++)

           printf("%5s : %3d\n",PM[i].name,PM[i].win);

       //看牌用完了沒?來繼續

       if (!(now + iPeoplenum*2 < 53)) {

           now = 0;

           //洗牌

           wash(pock);

           //亮牌

           show(pockpie, face, pock);

           printf("\n\n");

           }

       for (int i = 0;i < iPeoplenum;i++)

           PM[i].value = 0;

       cout << "Play again?(y/n):";

       cin >> ch;

       }

    system("PAUSE");

    return 0;

    }

//拿一付新牌

void TakeNew(int iDeck[][13],pockcard pock[52]) {

    int row, column, card = 0;

    //照順序做出張牌

    for (row = 0;row < 4;row++) {

       for (column = 0;column < 13;column++) {

           ++card;

           switch (row) {

           case 0:

              strcpy(pock[row*13+column].suit,"Spades");

              pock[row*13+column].face = column;

              break;

           case 1:

              strcpy(pock[row*13+column].suit,"Hearts");

              pock[row*13+column].face = column;

              break;

           case 2:

              strcpy(pock[row*13+column].suit,"Diamonds");

              pock[row*13+column].face = column;

              break;

           case 3:

              strcpy(pock[row*13+column].suit,"Clubs");

              pock[row*13+column].face = column;

              break;

              }

           iDeck[row][column] = card;

           }

       }

    }

//洗牌

void wash(pockcard *pock) {

    int r1, r2;

    //取兩個數字交換做次

    for (int times= 0; times < 100; times++) {

       r1 = rand() % 52;

       r2 = rand() % 52;

       swap(pock,r1,r2);

       }

    }

//亮出所有牌

void show(int iDeck[][13], const char *ccFace[],pockcard pock[52]) {

    int card, g = 0;

    //從結構中取牌，把張牌依序亮出

    for (card = 0; card < 52; card++) {

       ++g;

       printf("%2d : %2s  of  %s\n",g, ccFace[pock[card].face],pock[card].suit);

       }

    }

//發牌

int shffle(player Pman[], int iPeoplenum,pockcard *pock,int now) {

    int j = 0;

    for (int i = now;i < now + iPeoplenum * 2;i++) {

       Pman[j].card[0] = pock[i];

       ++i;

       Pman[j].card[1] = pock[i];

       ++j;

       }

    return now + iPeoplenum * 2;

    }

//亮每個人的牌

void showEachone(player *Pman,int iPeoplenum, const char *ccFace[]) {

    int g = 0; ;

    for (int i = 0;i < iPeoplenum;i++) {

       std::cout << Pman[i].name << "'s card :" << "\n";

       printf("1: %2s  of  %s  ",ccFace[Pman[i].card[0].face],Pman[i].card[0].suit);

       printf("2: %2s  of  %s\n",ccFace[Pman[i].card[1].face],Pman[i].card[1].suit);

       }

    }

//算分

int countgrade(player *Pman, int iPeoplenum) {

    int max,index = 0,i;

    for (i = 0;i < iPeoplenum;i++) {

       if (0 == Pman[i].card[0].face)

           Pman[i].value += 14;

       else

           Pman[i].value += (Pman[i].card[0].face+1);

       if (0 == Pman[i].card[1].face)

           Pman[i].value += 14;

       else

           Pman[i].value += (Pman[i].card[1].face+1);

       }

    max = Pman[0].value;

    for (i = 0;i < iPeoplenum;i++)

       if (max < Pman[i].value) {

           max = Pman[i].value;

           index = i;

           }

       Pman[index].win++;

       return index;

    }

//交換牌

void swap(pockcard pock[52],int a, int b) {

    pockcard t = pock[a];

    pock[a] = pock[b];

    pock[b] = t;

    }