/*  craps.cpp
 *
 *  From:
 *  C++ How to Program, Deitel & Deitel, 1998
 */

#include <iostream.h>
#include <stdlib.h>
#include <time.h>

    //  prototypes
int RollDice();


int main()
{
    enum Status { CONTINUE, WON, LOST };
    int sum, myPoint;

    Status  gameStatus;

        //  Initialize random number generator
    srand( time(NULL) );       

    sum = RollDice();          //  first throw of dice

    switch( sum )
    {
    case  7:                   //  win on first roll
    case 11:
        gameStatus = WON;
        break;

    case  2:                   //  lose on first roll
    case  3:
    case 12:
        gameStatus = LOST;
        break;

    default:                   //  remember point
        gameStatus = CONTINUE;
        myPoint = sum;
        cout << " Point is " << myPoint << endl;
        break;
    }

        //  keep rolling
    while( gameStatus == CONTINUE )
    {
        sum = RollDice(); 

        if( sum == myPoint )   //  win by making point
            gameStatus = WON;
        else if( sum == 7 )
            gameStatus = LOST;
    }

        //  show results
    if( gameStatus == WON )
    {
        cout << " Player wins" << endl;
    }
    else
    {
        cout << " Player loses" << endl;
    }

    return 0;
}



int RollDice()
{
    int die1, die2, sum;

    die1 = 1 + rand() % 6;
    die2 = 1 + rand() % 6;
    sum  = die1 + die2;

    cout << "Player rolled " << die1 << " + " << die2;
    cout << " = " << sum << endl;

    return sum;
}