Code Game C++

#include "stdafx.h"
#include <iostream>
using namespace std;
enum objectType { ROCK, PAPER, SCISSORS };
//Function prototypes
void displayRules();
objectType retrievePlay(char selection);
bool validSelection(char selection);
void convertEnum(objectType object);
objectType winningObject(objectType play1, objectType play2);
void gameResult(objectType play1, objectType play2, int& winner);
void displayResults(int gCount, int wCount1, int wCount2);
int main(int argc, _TCHAR* argv[])
{
 //Step 1
 int gameCount; //variable to store the number of

 //games played

 int winCount1; //variable to store the number of games

 //won by player 1

 int winCount2; //variable to store the number of games

 //won by player 2
 int gamewinner;

 char response; //variable to get the user's response to
 //play the game
 char selection1;
 char selection2;
 objectType play1; //player1's selection
 objectType play2; //player2's selection
 //Initialize variables; Step 2
 gameCount = 0;

 winCount1 = 0;

 winCount2 = 0;

 displayRules(); //Step 3

 cout << "Enter Y/y to play the game: "; //Step 4

 cin >> response; //Step 5

 cout << endl;

 while (response == 'Y' || response == 'y') //Step 6

 {

  cout << "Player 1 enter your choice: "; //Step 6a

  cin >> selection1; //Step 6b

  cout << endl;

  cout << "Player 2 enter your choice: "; //Step 6c

  cin >> selection2; //Step 6d

  cout << endl;

  //Step 6e

  if (validSelection(selection1)

   && validSelection(selection2))

  {

   play1 = retrievePlay(selection1);

   play2 = retrievePlay(selection2);

   gameCount++; //Step 6e.i

   gameResult(play1, play2, gamewinner); //Step 6e.ii

   if (gamewinner == 1) //Step 6e.iii

    winCount1++;

   else if (gamewinner == 2)

    winCount2++;

  }//end if

  cout << "Enter Y/y to play the game: "; //Step 6f

  cin >> response; //Step 6g

  cout << endl;

 }//end while

 displayResults(gameCount, winCount1,

  winCount2); //Step 7

 return 0;

}//end main

void displayRules()

{

 cout << " Welcome to the game of Rock, Paper, "

  << "and Scissors." << endl;

 cout << " This is a game for two players. For each "

  << "game, each" << endl;

 cout << " player selects one of the objects Rock, "

  << "Paper, or Scissors." << endl;

 cout << " The rules for winning the game are: " << endl;

 cout << "1. If both players select the same object, it "

  << "is a tie." << endl;

 cout << "2. Rock breaks Scissors: So player who selects "

  << "Rock wins." << endl;

 cout << "3. Paper covers Rock: So player who selects "

  << "Paper wins." << endl;

 cout << "4. Scissors cuts Paper: So player who selects "

  << "Scissors wins." << endl << endl;

 cout << "Enter R or r to select Rock, P or p to select "

  << "Paper, and S or s to select Scissors." << endl;

}

bool validSelection(char selection)

{

 switch (selection)

 {

 case 'R':

 case 'r':

 case 'P':

 case 'p':

 case 'S':

 case 's':

  return true;

 default:

  return false;

 }

}

objectType retrievePlay(char selection)

{

 objectType object;

 switch (selection)

 {

 case 'R':

 case 'r':

  object = ROCK;

  break;

 case 'P':

 case 'p':

  object = PAPER;

  break;

 case 'S':

 case 's':

  object = SCISSORS;

 }

 return object;

}
void gameResult(objectType play1, objectType play2,

 int& winner)

{

 objectType winnerObject;

 if (play1 == play2)

 {

  winner = 0;

  cout << "Both players selected ";

  convertEnum(play1);

  cout << ". This game is a tie." << endl;

 }

 else

 {

  winnerObject = winningObject(play1, play2);

  //Output each player's choice

  cout << "Player 1 selected ";

  convertEnum(play1);

  cout << " and player 2 selected ";

  convertEnum(play2);

  cout << ". ";

  //Decide the winner

  if (play1 == winnerObject)

   winner = 1;

  else if (play2 == winnerObject)

   winner = 2;

  //Output the winner

  cout << "Player " << winner << " wins this game."

   << endl;

 }

}

void convertEnum(objectType object)

{

 switch (object)

 {

 case ROCK:

  cout << "Rock";

  break;

 case PAPER:

  cout << "Paper";

  break;

 case SCISSORS:

  cout << "Scissors";

 }

}

objectType winningObject(objectType play1, objectType play2)

{

 if ((play1 == ROCK && play2 == SCISSORS) || (play2 == ROCK && play1 == SCISSORS))

  return ROCK;

 else if ((play1 == ROCK && play2 == PAPER) || (play2 == ROCK && play1 == PAPER))

  return PAPER;

 else

  return SCISSORS;

}

void displayResults(int gCount, int wCount1, int wCount2)

{

 cout << "The total number of plays: " << gCount

  << endl;

 cout << "The number of plays won by player 1: "

  << wCount1 << endl;

 cout << "The number of plays won by player 2: "

  << wCount2 << endl;

}