pvjc24/cv9/snake.c
2024-04-09 17:04:30 +02:00

49 lines
928 B
C

#include "snake.h"
#include <stdlib.h>
#include <assert.h>
struct snake* add_snake(struct snake* snake,int x,int y){
struct snake* hlavicka = calloc(1,sizeof(struct snake));
hlavicka->x = x;
hlavicka->y = y;
hlavicka->next = snake;
return hlavicka;
}
struct snake* remove_snake(struct snake* snake){
if (snake == NULL) {
return NULL;
}
struct snake* nova_hlavicka = snake->next;
free(snake);
if (nova_hlavicka == NULL) {
return NULL;
}
struct snake* chvost = nova_hlavicka;
while (chvost->next != NULL) {
chvost = chvost->next;
}
assert(chvost->next == NULL);
return nova_hlavicka;
}
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;
}