64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
#include "snake.h"
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#include <stdlib.h>
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struct snake* add_snake(struct snake* snake,int x,int y){
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struct snake* novyZaciatok = calloc(1, sizeof(struct snake)); //alokujem pamäť smerníka
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novyZaciatok->x = x; //nastavím súradnice hada
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novyZaciatok->y = y;
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if (snake != NULL) { //ak má had telo,
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novyZaciatok->next = snake; //tak mu iba pridám hlavu
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} else {
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novyZaciatok->next = NULL; //inak musím vytvoriť nové telo
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}
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return novyZaciatok;
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}
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struct snake* remove_snake(struct snake* snake){
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if (snake == NULL) return NULL;
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else if (snake->next == NULL) {
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free(snake);
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return NULL;
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}
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else {
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struct snake* medzipamat = calloc(1, sizeof(struct snake));
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medzipamat = snake;
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while (snake->next->next != NULL) snake = snake->next;
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free(snake->next);
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snake->next = NULL;
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snake = medzipamat;
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free(medzipamat);
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return snake;
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}
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}
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void free_snake(struct snake* sn){
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struct snake* nasledujuci = calloc(1, sizeof(struct snake));
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while (sn != NULL) {
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nasledujuci = sn->next;
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free(sn);
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sn = nasledujuci;
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}
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free(nasledujuci);
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}
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int is_snake(struct snake* snake,int x,int y){
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return 0;
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}
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int step_state(struct state* st){
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int nx = (st->snake->x + st->sx);
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int ny = (st->snake->y + st->sy);
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return END_CONTINUE;
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}
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