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// Fig. 3.10: fig03_10.cpp
// Craps.
#include <iostream>
using std::cout;
using std::endl;
// contains function prototypes for functions srand and rand
#include <cstdlib>
#include <ctime> // contains prototype for function time
int rollDice( void ); // function prototype
int main()
{
// enumeration constants represent game status
enum Status { CONTINUE, WON, LOST };
int sum;
int myPoint;
Status gameStatus; // can contain CONTINUE, WON or LOST
// randomize random number generator using current time
srand( time( 0 ) );
sum = rollDice(); // first roll of the dice
// determine game status and point based on sum of dice
switch ( sum ) {
// win on first roll
case 7:
case 11:
gameStatus = WON;
break;
// lose on first roll
case 2:
case 3:
case 12:
gameStatus = LOST;
break;
// remember point
default:
gameStatus = CONTINUE;
myPoint = sum;
cout << "Point is " << myPoint << endl;
break; // optional
} // end switch
// while game not complete ...
while ( gameStatus == CONTINUE ) {
sum = rollDice(); // roll dice again
// determine game status
if ( sum == myPoint ) // win by making point
gameStatus = WON;
else
if ( sum == 7 ) // lose by rolling 7
gameStatus = LOST;
} // end while
// display won or lost message
if ( gameStatus == WON )
cout << "Player wins" << endl;
else
cout << "Player loses" << endl;
return 0; // indicates successful termination
} // end main
// roll dice, calculate sum and display results
int rollDice( void )
{
int die1;
int die2;
int workSum;
die1 = 1 + rand() % 6; // pick random die1 value
die2 = 1 + rand() % 6; // pick random die2 value
workSum = die1 + die2; // sum die1 and die2
// display results of this roll
cout << "Player rolled " << die1 << " + " << die2
<< " = " << workSum << endl;
return workSum; // return sum of dice
} // end function rollDice
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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