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//! \brief A Conio code recreation of the rock paper scissors game, basic stat tracking of wins while the executable is running and an introduction to enumerations.
//include the c standard library where EXIT_SUCCESS is declared
#include <cstdlib>
#include <ctime>
// include the standard input/output library
#include <iostream>
// declare the functions used from iostream
using std::cout;
using std::endl;
#include <constream>
using namespace conio;
// make an enumeration for the three items - 0, 1, 2
enum RPS
{
ROCK,
PAPER,
SCISSORS
};
enum Player
{
HUMAN,
COMPUTER,
DRAW
};
int main()
{
// set the bg colour to green and clear the screen
cout << setbk( BLUE ) << clrscr;
// output text at x, y location
cout << setxy( 20, 10 ) << setclr( LIGHTGREEN ) << "Do you want to play Rock Paper Scissors?";
cout << setxy( 20, 12 ) << setclr( WHITE ) << "Press P to Play.";
// this will convert a key to the upper case version of it.
char ch = toupper( getch() );
if( ch != 'P' )
{
//clean up screen and goodbye
cout << setbk( BLACK ) << setclr( WHITE ) << clrscr;
return EXIT_SUCCESS;
}
cout << setbk( RED ) << clrscr;
//the game controller boolean
bool running = true;
while( running )
{
// RNG to determine if the computer got R, P or S
int computer = time( NULL ) % 3;
// switch - can only test integer numbers
cout << setxy( 12, 8 ) << setclr( YELLOW ) << "Press R, P or S for Rock, Paper or Scissors respectively: ";
char ch = toupper( getch() );
// Print out their choice so they can confirm what they entered
cout << setclr( WHITE );
switch ( ch )
{
case 'R':
cout << "ROCK ";
break;
case 'P':
cout << "PAPER ";
break;
case 'S':
cout << "SCISSORS ";
break;
}
// calculate the winner
Player winner = DRAW;
int playerWins = 0;
int computerWins = 0;
int draws = 0;
// display the computer's draw
cout << setxy( 20, 12 ) << setclr( LIGHTGREEN ) << "Computer chose: ";
switch ( computer )
{
case ROCK:
cout << "ROCK ";
if( ch == 'P' )
{
winner = HUMAN;
cout << "You win! ";
++ playerWins;
}
else if( ch == 'S' )
{
winner = COMPUTER;
cout << "Computer wins! ";
++ computerWins;
}
else if( ch == 'R' )
{
winner = DRAW;
cout << "It's a draw! ";
++ draws;
}
break;
case PAPER:
cout << "PAPER ";
if( ch == 'S' )
{
winner = HUMAN;
cout << "You win! ";
++ playerWins;
}
else if( ch == 'R' )
{
winner = COMPUTER;
cout << "Computer wins! ";
++ computerWins;
}
else if( ch == 'P' )
{
winner = DRAW;
cout << "It's a draw! ";
++ draws;
}
break;
case SCISSORS:
cout << "SCISSORS ";
if( ch == 'R' )
{
winner = HUMAN;
cout << "You win! ";
++ playerWins;
}
else if( ch == 'P' )
{
winner = COMPUTER;
cout << "Computer wins! ";
++ computerWins;
}
else if( ch == 'S' )
{
winner = DRAW;
cout << "It's a draw! ";
++ draws;
}
break;
}
cout << setxy( 20, 14 ) << "PLAYER WINS: " << playerWins << endl;
cout << setxy( 20, 15 ) << "COMPUTER WINS: " << computerWins << endl;
cout << setxy( 20, 16 ) << "DRAWS: " << draws << endl;
}
// wait for key press, prevents end of app. message
getch();
// return a success value of 0 to the OS
return EXIT_SUCCESS;
}
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