Move over Sid Meyer...

#include <cstdlib>#include <iostream>#include <vector>using namespace std;vector<char> board;const char X = 'X';const char O = 'O';const char TIE = 'T';const char NO_WIN = 'N';const char INVALID = 'I';const char EMPTY = ' ';char winner;char playerPiece;char computerPiece;char turn = 'X';const int WINNING_ROWS[8][3] = {{0,1,2},                                {3,4,5},                                {6,7,8},                                {0,3,6},                                {1,4,7},                                {2,5,8},                                {0,4,8},                                {2,4,6}};void display();char checkWin();void getPlayerMove();void AIMove();char swapPiece(char piece);void initBoard();void initBoard(){    for(int i = 0; i < 9; ++i)    {        board.push_back(EMPTY);    }}void display(){       cout << board[0] << "|" << board[1] << "|" << board[2] << endl;    cout << "-----" << endl;    cout << board[3] << "|" << board[4] << "|" << board[5] << endl;    cout << "-----" << endl;    cout << board[6] << "|" << board[7] << "|" << board[8] << endl;}char swapPiece(char piece){    if(piece == X)        return O;    else if(piece == O)        return X;        return INVALID;}void getPlayerMove(){    cout << "Where do you want to put your " << playerPiece << "?" << endl;    cout << "0|1|2\n";    cout << "-----\n";    cout << "3|4|5\n";    cout << "-----\n";    cout << "6|7|8\n";    int choice = -1;    while(choice < 0 || choice > 8)    {        cout << "Enter a number (0-8): ";        cin >> choice;        if(choice < 0 || choice > 8)        {            continue;            cout << "INVALID NUMBER\n";        }        if(board[choice] != EMPTY)        {            cout << "That space is already taken.\n";            choice = -1;        }    }    board[choice] = playerPiece;}void AIMove(){    for(int i = 0; i < 8; ++i)    {        if(board == EMPTY)        {            board = computerPiece;            if(checkWin() == computerPiece) return;            board = EMPTY;        }    }        for(int i = 0; i < 8; ++i)    {        if(board == EMPTY)        {            board = playerPiece;            if(checkWin() == playerPiece)            {                board = computerPiece;                return;            }            board = EMPTY;        }    }        for(int i = 0; i < 8; ++i)    {        if(board == EMPTY)        {            board = computerPiece;            return;        }    }}char checkWin(){    for(int i = 0; i < 8; ++i)    {        if(board[WINNING_ROWS[0]] != EMPTY && board[WINNING_ROWS[0]] == board[WINNING_ROWS[1]] && board[WINNING_ROWS[1]] == board[WINNING_ROWS[2]])        {            return board[WINNING_ROWS[0]];        }    }    if(count(board.begin(), board.end(), EMPTY) == 0) return TIE;    return NO_WIN;}int main(int argc, char *argv[]){    initBoard();    // ask the player which piece he/she wants    while(playerPiece != X && playerPiece != O)    {        cout << "Which piece do you want? (X/O)";        cin >> playerPiece;        playerPiece = toupper(playerPiece);    }    // assign the other piece to the computer    computerPiece = swapPiece(playerPiece);    // while there is no winner    while(1)    {        // display the         display();        // if turn equals playerPiece        if(turn == playerPiece)        {            cout << "It's your turn.\n";            // ask the player where he/she wants to put the piece            getPlayerMove();        }        else // if turn doesn't equal playerPiece        {            // have the computer place a piece            cout << "It's the computer's turn.\n";            system("PAUSE");            AIMove();        }        // switch the turn        turn = swapPiece(turn);        // check for a winner        winner = checkWin();        if(winner != NO_WIN) break;    }    // display the win/lose/tie message    display();    if(winner == playerPiece)        cout << "You win!\n";    else if(winner == computerPiece)        cout << "You lost.\n";    else        cout << "The game was a tie.\n";    system("PAUSE");    return EXIT_SUCCESS;}

while ( true ){	if ( _kbhit() && _getch() == 'q' )		break;}

char checkWin(char c, int i)

class Application{public:	// this might load the menu objects and textures and create the renderer	bool Init ();	// this is typically function that does a logic loop	void Run ();	// tells Run() to stop... running	void Exit ();	// destroys the application objects	void Close ();	// gets the objects	Renderer* GetRenderer ();	GameObject* GetObject (const char* name);private:	Renderer renderer;	List <GameObject> objects;	List <LogicController> logic;	List <Texture> textures;	bool running;};// In our main function we create an Application object and run itint main (){	Application app;	if (!app.Init ()) {		MessageBox (0, "Error initialising application!", "App", MB_ICONERROR);		return 1;	}	app.Run ();	app.Close ();	return 0;}