Tic Tac Toe

TicTacToe.cpp

/*
 * Name: Syed Owais Ali Chishti
 * Tic Tac Toe
 * Major: BS(CS)
 */

#include<iostream>
#include<cstdlib>
#include<conio.h>
#include<iomanip>
using namespace std;
char box[9];
bool won;

/*
 * Print game to STDOUT
 */
void printBox() {
	system("cls");
	cout<<"TIC TAC TOE"<<endl<<endl;
    for(int row = 0; row < 3;row++){
        for(int col = 0; col < 3;col++){
            cout<<" "<<box[row*3+col];
            if(col < 2)
                cout<<" | ";
        }
        if(row < 2)
            cout<<endl<<"---+----+---"<<endl;
    } 
}

/*
 * Checker winner of game.
 */
int winnerCheck(){
    int possibility[8][3] = {
              {0,3,6},
              {1,4,7},
              {2,5,8},
              {0,1,2},
              {3,4,5},
              {6,7,8},
              {6,4,2},
              {0,4,8}
        };
    for(int i=0;i<8;++i)
    {
        if(box[possibility[i][0]] == box[possibility[i][1]] && box[possibility[i][1]] == box[possibility[i][2]])
        {
            printBox();
            cout<<endl<<endl<<box[possibility[i][0]]<<" WON!!!";
			won = true;
        }
    }
    return false;

}

/*
 * Gets input from user
 */
int getChoice(){
    int choice;
    while(true){
        cin>>choice;
        if((choice < 10 && choice > 0) && (box[choice-1] != 'X' && box[choice-1] != 'O')){
	        return choice-1;
        }
		else{
			cout<<"Sorry!!!, Try again: ";
		}
    }
}

/*
 * Add numbers to array
 */
void newArray(){
	for (int i = 0; i < 9 ; i++) {
		box[i] = (i+1)+48; // adding 48 for converting to asci character
	}
}

/*
 * Game Finish
 */
bool finishCheck() {
	for (int i = 0; i < 9 ; i++) {
		if(box[i] != 'O' && box[i] != 'X')
			return false;
	}
	return true;
}

int main() {
    char choice;
    
	cout<<endl<<endl<<endl<<endl<<endl<<endl;
	cout<<setw(45)<<"*******************"<<endl<<endl;
	cout<<setw(45)<<"*   TIC TAC TOE   *"<<endl<<endl;
	cout<<setw(45)<<"*******************"<<endl<<endl;
	cout<<setw(46)<<"--- SOAC PROJECT ---"<<endl;
	cout<<setw(49)<<"--- Roll no: P14-6011 ---"<<endl;
	cout<<endl<<endl<<endl<<endl<<endl<<endl;
	cout<<setw(80)<<"Press any key to continue.";
	_getch();
	system("cls");

	do
    {
		newArray();
		won = false;
		while(true) {
			//Player One
			if(won == false &&  finishCheck() == false){
				printBox();
				cout<<endl<<endl<<"Player 1: ";
				choice = getChoice();
				box[choice] = 'X';

				// Winner Check
				winnerCheck();
			}
			else {
				break;
			}


			//Player Two
			if(won == false &&  finishCheck() == false){
				printBox();
				cout<<endl<<endl<<"Player 2: ";
				choice = getChoice();
				box[choice] = 'O';  

				// Winner Check
				winnerCheck();
			}
			else {
				break;
			}
		}

		if(won == false) {
			printBox();
			cout<<endl<<endl<<"DRAW!!!";
		}

		cout<<endl<<endl<<"Do you want to play again (Y/N): ";
		cin>>choice;
    }
	while(choice == 'Y' || choice == 'y');
    
    cout<<endl;
    system("PAUSE");
    return 0;
}