1   // Fig. 3.10: fig03_10.cpp
2   // Craps
3   #include <iostream.h>
4   #include <stdlib.h>
5   #include <time.h>
6   
7   int rollDice( void );   // function prototype
8   
9   int main()
10  {
11     enum Status { CONTINUE, WON, LOST };
12     int sum, myPoint;
13     Status gameStatus;
14  
15     srand( time( NULL ) );
16     sum = rollDice();            // first roll of the dice
17  
18     switch ( sum ) {
19        case 7: 
20        case 11:                  // win on first roll
21           gameStatus = WON;
22           break;
23        case 2: 
24        case 3: 
25        case 12:                  // lose on first roll
26           gameStatus = LOST;
27           break;
28        default:                  // remember point
29           gameStatus = CONTINUE;
30           myPoint = sum;
31           cout << "Point is " << myPoint << endl;
32           break;                 // optional
33     }
34  
35     while ( gameStatus == CONTINUE ) {    // keep rolling
36        sum = rollDice();
37  
38        if ( sum == myPoint )       // win by making point
39           gameStatus = WON;
40        else
41           if ( sum == 7 )          // lose by rolling 7
42              gameStatus = LOST;
43     }
44  
45     if ( gameStatus == WON )
46        cout << "Player wins" << endl;
47     else
48        cout << "Player loses" << endl;
49  
50     return 0;
51  }
52  
53  int rollDice( void )
54  {
55     int die1, die2, workSum;
56  
57     die1 = 1 + rand() % 6;
58     die2 = 1 + rand() % 6;
59     workSum = die1 + die2;
60     cout << "Player rolled " << die1 << " + " << die2
61          << " = " << workSum << endl;
62  
63     return workSum;
64  }