tic-tact-toc-machine-started.java

    private void
            machine_started_play
                ( ){

        int coordinates [ ] = null;
        int machine_row_open_for_win = -1 ;
        int machine_col_open_for_win = -1 ;

        if (turn_count == 1 )//machine is starting
            coordinates  = get_random_free_corner ( );

        else if (turn_count != 1 ){ // machine is starting , and has started
            coordinates = where_a_player_might_win(id_machine);
            if (coordinates != null ){
                id_winner = id_machine;}
            else{
                coordinates = where_a_player_might_win(id_player);
                if (coordinates == null ){
                    machine_row_open_for_win = get_row_where_possibility_of_win(id_machine);
                    machine_col_open_for_win = get_col_where_possibility_of_win(id_machine);
                    if (machine_row_open_for_win != -1 )
                        coordinates = get_random_corner_on_a_row(machine_row_open_for_win );
                    else if (machine_col_open_for_win != -1 ){
                        coordinates = get_random_corner_on_a_col(machine_col_open_for_win ); }
                    else
                        coordinates = get_any_open_coordinate ( );}}}

        player_moves [coordinates [0 ]] [coordinates [1 ]] = id_machine;
        turn_machine = !turn_machine;
        turn_count++;
        invalidate ( ); }