#include "stdafx.h"
#include <iostream>
using namespace std;

void main() {
	char cSquare1('1');
	char cSquare2('2');
	char cSquare3('3');
	char cSquare4('4');
	char cSquare5('5');
	char cSquare6('6');
	char cSquare7('7');
	char cSquare8('8');
	char cSquare9('9');
	int iPlayerTurn(1);
	bool bGameOver(true);      // Variables are initialised to begin with

	// Here is the main do-while loop that the game consists of
	do {
		// Functions to display an acsii tic tac toe board
		cout << cSquare1 << "|" << cSquare2 << "|" << cSquare3 << endl;
		cout << "-+-+-"<< endl;
		cout << cSquare4 << "|" << cSquare5 << "|" << cSquare6 << endl;
		cout << "-+-+-"<< endl;
		cout << cSquare7 << "|" << cSquare8 << "|" << cSquare9 << endl;

		// Sets the player marker: Player 1 uses X and Player 2 uses O
		char cPlayerMark;
		if (iPlayerTurn == 1) {
			cPlayerMark = 'X';
		} else {
			cPlayerMark = 'O';
		}

		// Prompt the player for a move
		cout << "Player" << iPlayerTurn << "'s move:" << endl;
		bool bValidMove;
		// Loop until we get a valid move
		do {
			char cNextMove;
			cin >> cNextMove;
			bValidMove = true;

			// Check for a valid move
			if (cNextMove == '1' && cSquare1 == '1') {
				cSquare1 = cPlayerMark;
			} else if (cNextMove == '2' && cSquare2 == '2') {
				cSquare2 = cPlayerMark;
			} else if (cNextMove == '3' && cSquare3 == '3') {
				cSquare3 = cPlayerMark;
			} else if (cNextMove == '4' && cSquare4 == '4') {
				cSquare4 = cPlayerMark;
			} else if (cNextMove == '5' && cSquare5 == '5') {
				cSquare5 = cPlayerMark;
			} else if (cNextMove == '6' && cSquare6 == '6') {
				cSquare6 = cPlayerMark;
			} else if (cNextMove == '7' && cSquare7 == '7') {
				cSquare7 = cPlayerMark;
			} else if (cNextMove == '8' && cSquare8 == '8') {
				cSquare8 = cPlayerMark;
			} else if (cNextMove == '9' && cSquare9 == '9') {
				cSquare9 = cPlayerMark;
			} else {
				cout << "Cannot go there, try again." << endl;
				bValidMove = false;
			}
		} while (!bValidMove);

		bGameOver		= false;
		bool bWinGame	= true;
		// Check for winning conditions
		if (cSquare1 != '1') {
			if (cSquare2 == cSquare1 && cSquare3 == cSquare1) {
				bGameOver = true;
			}
			if (cSquare4 == cSquare1 && cSquare7 == cSquare1) {
				bGameOver = true;
			}
		}
		if (cSquare5 != '5') {
			if (cSquare1 == cSquare5 && cSquare9 == cSquare5) {
				bGameOver = true;
			}
			if (cSquare2 == cSquare5 && cSquare8 == cSquare5) {
				bGameOver = true;
			}
			if (cSquare4 == cSquare5 && cSquare6 == cSquare5) {
				bGameOver = true;
			}
			if (cSquare3 == cSquare5 && cSquare7 == cSquare5) {
				bGameOver = true;
			}
		}
		if (cSquare9 != '9') {
			if (cSquare3 == cSquare9 && cSquare6 == cSquare9) {
				bGameOver = true;
			}
			if (cSquare7 == cSquare9 && cSquare8 == cSquare9) {
				bGameOver = true;
			}
		}
		// Need to check the board full (no-win condition)
		if (cSquare1 != '1' && cSquare2 != '2' && cSquare3 != '3' &&
			cSquare4 != '4' && cSquare5 != '5' && cSquare6 != '6' &&
			cSquare7 != '7' && cSquare8 != '8' && cSquare9 != '9' && !bGameOver)
		{
			bGameOver = true;
			bWinGame = false;
		}

		if (bGameOver) {
			if (bWinGame) {
				cout << "Player" << iPlayerTurn << " is victorious!" << endl;
			}
			// Print ending board
			cout << cSquare1 << "|" << cSquare2 << "|" << cSquare3 << endl;
			cout << "-+-+-"<< endl;
			cout << cSquare4 << "|" << cSquare5 << "|" << cSquare6 << endl;
			cout << "-+-+-"<< endl;
			cout << cSquare7 << "|" << cSquare8 << "|" << cSquare9 << endl;

			cout << "Game Over" << endl;
			cout << "Rematch (y/n)?" << endl;
			char cPlayAgain;
			cin >> cPlayAgain;

			if (cPlayAgain == 'y') {
				bGameOver = false;
				// Clear the board
				cSquare1 = '1';
				cSquare2 = '2';
				cSquare3 = '3';
				cSquare4 = '4';
				cSquare5 = '5';
				cSquare6 = '6';
				cSquare7 = '7';
				cSquare8 = '8';
				cSquare9 = '9';
			}
			iPlayerTurn = 1;
		} else {
			// Alternate player turns
			if (iPlayerTurn == 1) {
				iPlayerTurn = 2;
			} else {
				iPlayerTurn = 1;
			}
		}
	} while (!bGameOver);
}