pvjc22/du7/snake.c

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

struct snake* add_snake(struct snake* snake,int x,int y){
	struct snake* novyZaciatok = calloc(1, sizeof(struct snake));	//alokujem pam<61><6D> smern<72>ka
	novyZaciatok->x = x;	//nastav<61>m s<>radnice hada
	novyZaciatok->y = y;
	
	if (snake != NULL) {	//ak m<> had telo,
		novyZaciatok->next = snake;		//tak mu iba prid<69>m hlavu
	} else {
		novyZaciatok->next = NULL;		//inak mus<75>m vytvori<72> nov<6F> telo
	}
	
    return novyZaciatok;
}

struct snake* remove_snake(struct snake* snake){
	if (snake == NULL) return NULL;
	
	struct snake* nasledujuci = calloc(1, sizeof(struct snake));
	nasledujuci = snake->next;
	free(snake);
	
    return nasledujuci;
}

void free_snake(struct snake* sn){
	struct snake* nasledujuci = calloc(1, sizeof(struct snake));
	
	while (sn != NULL) {
		nasledujuci = sn->next;
		free(sn);
		sn = nasledujuci;
	}
	
	free(nasledujuci);
}

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;
}