63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
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#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* hlavicka = calloc(1,sizeof(struct snake));
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hlavicka->x = x;
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hlavicka->y = y;
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hlavicka->next = snake;
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return hlavicka;
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}
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struct snake* remove_snake(struct snake* snake){
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if (snake == NULL || snake->next == NULL) {
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return NULL;
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}
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struct snake* predtym = NULL;
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struct snake* teraz = snake;
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while (teraz->next != NULL) {
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predtym = teraz;
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teraz = teraz->next;
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}
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free(teraz);
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predtym->next = NULL;
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return snake;
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}
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void free_snake(struct snake* sn){
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if (sn == NULL) {
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return;
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}
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free_snake(sn->next);
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free(sn);
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}
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int is_snake(struct snake* snake,int x,int y){
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if(snake == NULL){
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return NULL;
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}
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struct snake* pozicia = snake;
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while(pozicia != NULL){
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if(pozicia->x == x && pozicia->y == y){
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return 1;
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}
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pozicia = pozicia->next;
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}
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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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