Interface.h

#include <iostream>
#include <string.h>
#include <windows.h>
#include <conio.h>
#include <stdlib.h>

using namespace std;

HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);

class Main_Menu
{
    public:

    int counter = 0;
    bool confirmation_state = false;
    const char *confirmation_name;
    const char *choices[4] = {"FEEDING", "WARDROBE", "SHOP", "EXIT"};

    void moving_and_selection()
    {
        #define key_up 72
        #define key_down 80
        #define enter 13

        char key = getch();
        int key_code = key;

        switch(getch())
        {
            case key_up: 
                if (counter == 0) counter = sizeof(choices) / sizeof(choices[0]) - 1;
                else if (counter > 0) counter -= 1;
                break;
            
            case key_down:
                if (counter == sizeof(choices) / sizeof(choices[0]) - 1) counter = 0;
                else if (counter < sizeof(choices) / sizeof(choices[0]) - 1) counter += 1;
                break;
            
            case enter:
                confirmation_name = choices[counter];
                confirmation_state = true;
                break;
        }
    }

    void go_to_coord(int x, int y)
    {
        COORD coord;
        coord.X = x;
        coord.Y = y;
        
        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
    }

    void run()
    {
        do {

            system("CLS");

            for (int i = 0; i <= sizeof(choices) / sizeof(choices[0]) - 1; i++)
                {

                    if (i == counter)
                        SetConsoleTextAttribute(hConsole, 1);
                
                    go_to_coord(55, 20 + 1 * i);
                    cout << choices[i] << endl;
                    SetConsoleTextAttribute(hConsole, 15);
                }

            moving_and_selection();
                
        } while(confirmation_state != true);

        if (confirmation_name == "FEEDING") 
        {   
            system("CLS");
            cout << "YOU SELECTED FEEDING..." << endl;
            Sleep(1000);
        }

        if (confirmation_name == "WARDROBE") 
        {   
            system("CLS");
            cout << "YOU SELECTED THE WARDROBE..." << endl;
            Sleep(1000);
        }

        if (confirmation_name == "EXIT") 
        {   
            system("CLS");
            cout << "YOU SELECTED THE SHOP..." << endl;
            Sleep(1000);
        }

        if (confirmation_name == "EXIT") 
        {   
            system("CLS");
            cout << "CLOSING THE GAME..." << endl;
            Sleep(1000);
        }
    }
} main_menu;