int main() {
Board board;
Computer computer;
Game game(&board);
IO io;
char turn, again;
bool playing;
io.displayInstructions();
while (true) {
board.reset();
game.setLetters(io.inputPlayerLetter());
computer.setSmart(io.inputComputerSmartness());
turn = whoGoesFirst();
cout << "The " << turn << " will go first." << endl << endl;
playing = true;
again = '?';
while (playing) { // The main game loop
io.drawBoard(board);
// Who's turn is it?
int move;
if (turn == 'p') {
// player's turn
move = getPlayerMove(board);
if (move == 9)
break;
board.setPlace(move, game.getPlayerLetter());
cout << "You played " << move << endl;
// Check if player won
if (game.isWinner(game.getPlayerLetter(), board)) {
io.drawBoard(board);
cout << "Hooray! You have won the game!" << endl
<< endl;
playing = false;
} else {
if (board.isFull()) {
io.drawBoard(board);
cout << "The game is a tie!" << endl
<< endl;
break;
} else {
turn = 'c';
}
}
} else {
// computer's turn
move = getComputerMove(game, board, computer);
board.setPlace(move, game.getComputerLetter());
cout << "The computer played " << move << endl;
if (game.isWinner(game.getComputerLetter(), board)) {
io.drawBoard(board);
cout << "The computer has beaten you! You lose." << endl
<< endl;
playing = false;
} else {
if (board.isFull()) {
io.drawBoard(board);
cout << "The game is a tie!";
break;
} else {
turn = 'p';
}
}
}
}
while (again != 'y' && again != 'n') {
cout << "Do you want to play again? (y/n): ";
cin >> again;
}
if (again == 'y') {
continue;
} else {
break;
}
}
cout << endl << "Sorry to see you go. Perhaps a nice game of Global Thermonuclear War next time?" << endl;
return 0;
}
