#ifndef SNAKE_H
#define SNAKE_H

#include <stddef.h>

#include "segment.h"
#include "field.h"

enum dirn {
    UP = 0,
    DOWN,
    RIGHT,
    LEFT
};

typedef struct snake_T {
    Segment **n;
    size_t len;
} Snake;

Snake *new_snake(size_t, int, int);
void delete_snake(Snake *);

void snake_forward(Snake *, int);
void snake_print(Snake *);
int snake_eat(Snake *, Field *);
int snake_collide(Snake *, int, int);

#endif