Asterisk Man

/*
 *      asteriskman.c
 *
 *      Copyright 2013 Marc Sylvestre <marc.sylvestre@manhydra.com>
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 3 of the License, or
 *      (at your option) any later version.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, see <http://www.gnu.org/licenses/>,
 *      or if prefer good old fashion postal mail, write to the Free Software
 *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *      MA 02110-1301, USA.
 */


#include <stdio.h>
#include <stdlib.h>
#include <curses.h>

#define KEYUP    0x03
#define KEYDOWN  0x02
#define KEYLEFT  0x04
#define KEYRIGHT 0x05

int main(void) {
    char key_pressed;
    int x = 10, y = 10;

    initscr();
    intrflush(stdscr, FALSE);
    keypad(stdscr, TRUE);
    curs_set(0);
    nonl();
    noecho();
    cbreak();
    nodelay(stdscr, TRUE);

    mvprintw(1, 1, "!! Adventures of Asterisk Man !!");
    mvprintw(2, 1, "Your mission is to move Asterisk Man as much as you can. Danger could be lurking in the dark! :O");
    mvprintw(3, 1, "=======================================================================================================================");

    while (1) {
        mvprintw(x, y, "*");
        key_pressed = getch();
        if (key_pressed != ERR && tolower(key_pressed) == 'q') break;
        if (key_pressed != ERR) {
            if (tolower(key_pressed) == 'q') break;
            switch (tolower(key_pressed)) {
                case KEYLEFT:
                case 'h':
                    mvprintw(x, y, " ");
                    if (y) y--;
                    mvprintw(x, y, "*");
                break;
                case KEYRIGHT:
                case 'l':
                    mvprintw(x, y, " ");
                    mvprintw(x, ++y, "*");
                break;
                case KEYUP:
                case 'k':
                    mvprintw(x, y, " ");
                    if (x > 4) x--;
                    mvprintw(x, y, "*");
                break;
                case KEYDOWN:
                case 'j':
                    mvprintw(x, y, " ");
                    mvprintw(++x, y, "*");
                break;
            }
        }
        refresh();
        usleep(1000L);
    }

    endwin();
    curs_set(1);
    exit(EXIT_SUCCESS);
}