#include "snake.h"
#include <stdlib.h>

struct snake* add_snake(struct snake* snake, int x, int y) {
    struct snake* hlava = malloc(sizeof(struct snake));
    if (hlava == NULL) return NULL;
    hlava->x = x;
    hlava->y = y;
    hlava->next = snake;
    return hlava;
}

struct snake* remove_snake(struct snake* snake) {
    if (snake == NULL) return NULL;
    struct snake* hlava = snake->next;
    free(snake);
    return hlava;
}

void free_snake(struct snake* sn){
}

int is_snake(struct snake* snake,int x,int y){
    return 0;
}

int step_state(struct state* st){
	int nx = (st->snake->x + st->sx);
    int ny = (st->snake->y + st->sy);
    return END_CONTINUE;
}