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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <keytrace@home.se> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. diox
* ----------------------------------------------------------------------------
*/

#include <stdio.h>
#include <curses.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>

#define INCREASE_SPEED 45
#define REDUCE_SPEED   43
#define ESCAPE         27
#define SPACE          32

struct coord {
    int y;
    int x;
} snake[100];


void usage(const char PROGNAME[]);
void game_over(WINDOW *play_area, unsigned int score);
void error(const char error_message[]);

int main(int argc, char *argv[])
{
    unsigned int           n=0,m=0;
    const char             PROGNAME[] = "Snigelfan v 0.1b diox 2004";
    unsigned int           cmd_opts=0;
    char                  *headskin = "O";
    unsigned int           wrapping=0;
    unsigned int           current_y=0, current_x=0;
    const unsigned int     MAX_ROWS=22, MAX_COLS=80; /* Size of play area */
    WINDOW                *play_area, *help_screen;
    register unsigned int  y=2, x=2, rand_y=20, rand_x=20; /* Dunno if register make this more optimized */
    unsigned int           illegal_coordinate=0;
    unsigned int           current_direction=2;
    unsigned int           pause=0, score=0, speed=80000, tail_length=1;

    srand(time(NULL));

    /* Clear the snake struct to avoid corrupt data */
    for(n=0; n<100; n++) {
        snake[n].x = 0;
        snake[n].y = 0;
    }

    /* Command line options and arguments */