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

void DrawGrid(char szBoxes[]){
	cout << "-------" << endl;
	for(int i = 0; i < 3; i++) //Loop for rows
	{
		cout << "|";
		for(int ii = i*3; ii < ((i+1)*3); ii++)//Loop for columns
			cout << szBoxes[ii] << "|";
		cout << endl << "-------" << endl;
	}
}

bool AWinner(char szBoxes[])
{
	for(int i = 0; i < 3; i ++)
	{
		if(szBoxes[i] == szBoxes[i+1] && szBoxes[i+1] == szBoxes[i+2])//Return true for a full row
			return true;
		else if(szBoxes[i] == szBoxes[i+3] && szBoxes[i+3] == szBoxes[i+6])//Return true for full column
			return true;
		else if(i == 0)
		{
			if(szBoxes[0] == szBoxes[4] && szBoxes[4] == szBoxes[8])//Diagonal t left to b right
				return true;
		}
		else if(i == 2)
		{
			if(szBoxes[2] == szBoxes[4] && szBoxes[4] == szBoxes[6])//Diagonal t right to b left
				return true;
		}
	}
	return false;
}

int main()
{
	char chPlayer = 'X'; // Holds the appropriate character for the current player
	char chInput = NULL;
	int nInput = 0;
	cout << "NOUGHTS AND CROSSES" << endl;
	while(true){
		cout << "Enter any key to start a new game." << endl;
		cin >> chInput;
		bool bWinner = false;
		char szBoxes[] = "012345678";
		int nTurn = 1; //1 or 2
		DrawGrid(szBoxes);    //Draw the initial grid
		while(!bWinner)
		{
			cout << "Player " << nTurn << " pick a box." << endl;
			while(true)
			{
				cin >> nInput;
				if(szBoxes[nInput] != 'X' && szBoxes[nInput] != 'Y')
					break;
				cout << "Box has already been played, please choose another." << endl;
			}
			szBoxes[nInput] = (nTurn == 1) ? 'X' : 'O';//Player 1 is X. Player 2 is O.
			DrawGrid(szBoxes);
			if(AWinner(szBoxes))
				break;
			nTurn = (nTurn == 1) ? 2 : 1;
		}
		cout << "Player " << nTurn << " wins." << endl;
	}
	return 0;
}