Codecademy_tic_tac_toe_cpp/functions.cpp at main · miguelc3/Codecademy_tic_tac_toe_cpp · GitHub

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#include <iostream>
#include <vector>
#include <string>
using namespace std;

void greet() {
    cout << "      ======================== \n";
    cout << "       Let's play tic tac toe \n";
    cout << "      ======================== \n";
}

// Function to print white spaces
string n_spaces(int nr_spaces) {

    string n_spaces(nr_spaces, ' ');
    return n_spaces;

}

// Inicializate vectore to store values of each space -> initial value for each position is just a space
vector<string> grid(9);

void show_grid(vector<string> grid_field) {
    cout << "\n \n";
    cout << "Game: " << n_spaces(13) << "Field references:";
    cout << "\n";
    cout << " " << grid_field[0] << " | " << grid_field[1] << " | " << grid_field[2] << n_spaces(8) << " 0 | 1 | 2 \n";
    cout << "-----------" << n_spaces(8) << "-----------\n";
    cout << " " << grid_field[3] << " | " << grid_field[4] << " | " << grid_field[5] << n_spaces(8) << " 3 | 4 | 5 \n";
    cout << "-----------" << n_spaces(8) << "-----------\n";
    cout << " " << grid_field[6] << " | " << grid_field[7] << " | " << grid_field[8] << n_spaces(8) << " 6 | 7 | 8 \n";

}


bool is_winner() {

    if (grid[0] == grid[1] && grid[1] == grid[2] && grid[0] != " ") {
        return true;
    } else if (grid[3] == grid[4] && grid[4] == grid[5] && grid[3] != " ") {
        return true;
    } else if (grid[6] == grid[7] && grid[7] == grid[8] && grid[6] != " ") {
        return true;
    } else if (grid[0] == grid[3] && grid[3] == grid[6] && grid[0] != " ") {
        return true;
    } else if (grid[1] == grid[4] && grid[4] == grid[7] && grid[1] != " ") {
        return true;
    } else if (grid[2] == grid[5] && grid[5] == grid[8] && grid[2] != " ") {
        return true;
    } else if (grid[0] == grid[4] && grid[4] == grid[8] && grid[0] != " ") {
        return true;
    } else if (grid[2] == grid[4] && grid[4] == grid[6] && grid[2] != " ") {
        return true;
    } else {
        return false;
    }


}


int nr_games;
void choose_game_mode () {


    cout << "What game mode do you want to play?\n";
    cout << " 1 - Sudden death; \n";
    cout << " 3 - Beste of 3; \n";
    cout << " 5 - Beste of 5; \n";

    cin >> nr_games;

}


string game() {

    grid[0] = " ";
    grid[1] = " ";
    grid[2] = " ";
    grid[3] = " ";
    grid[4] = " ";
    grid[5] = " ";
    grid[6] = " ";
    grid[7] = " ";
    grid[8] = " ";

    string symbol;
    string player_now;
    bool is_win;

    int c = 1;
    while (1) {
        show_grid(grid);

        if (c % 2 == 1) {
            cout << "Player 1, it's your turn, where do you want to play?\n";
            symbol = "x";
            player_now = "Player 1";
        } else if (c % 2 == 0) {
            cout << "Player 2, it's your turn, where do you want to play?\n";
            symbol = "o";
            player_now = "Player 2";
        }

        int field;
        cout << "Field: ";
        cin >> field;
        cout << "\n";

        grid[field] = symbol;

        // show_grid(grid);

        is_win = is_winner();
        if (is_win) {
            cout << player_now << " won. Congratulations!";
            show_grid(grid);
            return player_now;
        }

        c += 1;

        if (c == 10) {
            cout << "It's a draw!";
            show_grid(grid);
            return "draw";
        }

    }


}

void play () {

    int wins_player_1 = 0;
    int wins_player_2 = 0;
    int draws = 0;
    string res;

    for (int i = 1; i <= nr_games; i++) {
        res = game();
        if (res == "Player 1") {
            wins_player_1 += 1;
        } else if (res == "Player 2") {
            wins_player_2 += 1;
        } else {
            draws += 1;
        }

        // Displaying current results
        cout << " ======  CURRENT RESULT ======\n";
        cout << "Game " << i << " of " << nr_games << ".\n";
        cout << "Player 1: " << wins_player_1 << "\n";
        cout << "Player 2: " << wins_player_2 << "\n";
        cout << "Draws: " << draws << "\n";
    }

    // Displaying final results
    cout << " ======  FINAL RESULT ======\n";
    cout << "Player 1: " << wins_player_1 << "\n";
    cout << "Player 2: " << wins_player_2 << "\n";
    cout << "Draws: " << draws << "\n";

    if (wins_player_1 > wins_player_2) {
        cout << "Player 1 is the champion! Congratulations!";
    } else if (wins_player_1 < wins_player_2) {
        cout << "Player 2 is the champion! Congratulations!";
    } else {
        cout << "We have a draw ... you're both very good!";
    }

}