tictactoe

#include <iostream>;
using namespace std;

    void drawBoard();

    char box1 = '7';
    char box2 = '8';
    char box3 = '9';
    char box4 = '4';
    char box5 = '5';
    char box6 = '6';
    char box7 = '1';
    char box8 = '2';
    char box9 = '3';
    char player1Move = '0';
    int playerNum = 0;
    bool turnOver = false;

    void interpretInput(int player);
    void playerTurn1();
    bool gameOver = false;
    void gameOverCheck();
    void drawFinalBoard();
    void playerTurn2();
    void ticTacToe();
    void main(){

    ticTacToe();

    system("PAUSE");

    }

void ticTacToe(){

    cout << "LET'S PLAY TICTACTOE MOTHERFUCKER!!    " << endl << endl;
    cout << endl << box1 << " | " << box2 << " | " << box3 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box4 << " | " << box5 << " | " << box6 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box7 << " | " << box8 << " | " << box9 << endl << endl;
    cout << "Press 'enter' to begin the game.";

    //will just pause the program for waiting for the player to begin
    cin.get();

    //starts the game loop until a winner is found
    playerTurn1();

}

//draws the current board on screen
void drawBoard(){

    system("CLS");
    cout << "It is player " << playerNum << "'s turn now: "<< endl << endl;

    cout << endl << box1 << " | " << box2 << " | " << box3 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box4 << " | " << box5 << " | " << box6 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box7 << " | " << box8 << " | " << box9 << endl << endl;
}

void drawFinalBoard(){

    cout << endl << box1 << " | " << box2 << " | " << box3 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box4 << " | " << box5 << " | " << box6 << endl;
            cout << "---"<<         "---"<<          "---" << endl;
            cout << box7 << " | " << box8 << " | " << box9 << endl << endl;

}

//reads the input and changes the box if it hasn't been selected before
void interpretInput(int player){

    if(player == 1){cout << endl << "Player is " << player << endl;

//player 1 input check and select
        switch(player1Move){

            case '0':
                cout << "Please make a move!";
                interpretInput(player);
                break;

            case '1':
                box7 = (box7 == '1') ? 'X': box7;
                break;

            case '2':
                box8 = (box8 == '2') ? 'X': box8;
                drawBoard();
                break;

            case '3':
                box9 = (box9 == '3') ? 'X': box9;
                drawBoard();
                break;

            case '4':
                box4 = (box4 == '4') ? 'X': box4;
                drawBoard();
                break;

            case '5':
                box5 = (box5 == '5') ? 'X': box5;
                drawBoard();
                break;

            case '6':
                box6 = (box6 == '6') ? 'X': box6;
                drawBoard();
                break;

            case '7':
                box1 = (box1 == '7') ? 'X': box1;
                drawBoard();
                break;

            case '8':
                box2 = (box2 == '8') ? 'X': box2;
                drawBoard();
                break;

            case '9':
                box3 = (box3 == '9') ? 'X': box3;
                drawBoard();
                break;

            default:
                cout << endl << "Try again!!" << endl;
                system("PAUSE");
                playerTurn1();      }}      else{cout << endl << "Player is " << player << endl;

//player 2 input check and select
        switch(player1Move){

            case '0':
                cout << "Please make a move!";
                interpretInput(player);
                break;

            case '1':
                box7 = (box7 == '1') ? 'O': box7;
                drawBoard();
                break;

            case '2':
                box8 = (box8 == '2') ? 'O': box8;
                drawBoard();
                break;

            case '3':
                box9 = (box9 == '3') ? 'O': box9;
                drawBoard();
                break;

            case '4':
                box4 = (box4 == '4') ? 'O': box4;
                drawBoard();
                break;

            case '5':
                box5 = (box5 == '5') ? 'O': box5;
                drawBoard();
                break;

            case '6':
                box6 = (box6 == '6') ? 'O': box6;
                drawBoard();
                break;

            case '7':
                box1 = (box1 == '7') ? 'O': box1;
                drawBoard();
                break;

            case '8':
                box2 = (box2 == '8') ? 'O': box2;
                drawBoard();
                break;

            case '9':
                box3 = (box3 == '9') ? 'O': box3;
                drawBoard();
                break;

            default:
                cout << endl << "Try again!!" << endl;
                system("PAUSE");
                playerTurn2();      }}


}

//cycles between player turns
void playerTurn1(){

        do{

            playerNum = 1;
            drawBoard();
            cin >> player1Move;
            interpretInput(playerNum);
            gameOverCheck();
            turnOver = true;

        }while(gameOver != true && turnOver != true);
    turnOver = false;
    playerTurn2();
    }

void playerTurn2(){

    do{

            playerNum = 2;
            drawBoard();
            cin >> player1Move;
            interpretInput(playerNum);
            gameOverCheck();
            turnOver = true;

        }while(gameOver != true && turnOver != true);
    turnOver = false;
    playerTurn1();
    }

//checks if the game is over and quits the game if it is...and if not...will not do anything
void gameOverCheck(){

    if((box1==box2) && (box1==box3) || (box3==box6) && (box3==box9) || (box7==box8) && (box7==box9) || (box1==box4) && (box1==box7) || (box2==box5) && (box2==box8) || (box4==box5) && (box4==box6) || (box1==box5) && (box1==box9) || (box3==box5) && (box3==box7)){

        system("CLS");
        cout << endl << "!!!!!!!!!!!!!!!!!  GAMEOVER  !!!!!!!!!!!!!!!!!!!";
        gameOver = true;
        cout << endl << "---------------Player " << playerNum << " won!!!!---------------"<< endl << endl;
        drawFinalBoard();

        system("PAUSE");
        exit(EXIT_FAILURE);

    }
    else if(box1 != '7' && box2 != '8' && box3 != '9' && box4 != '4' && box5 != '5' && box6 != '6' && box7 != '1' && box8 != '2' && box9 != '3'){

        cout << "!!!!!!!!!!!!!!!! THE GAME WAS A DRAW !!!!!!!!!!!!!!!!" << endl;
        system("PAUSE");
        exit(EXIT_FAILURE);


    }

    else {gameOver = false;}

}