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

struct state* create_world(int width, int height) {
    struct state* st = malloc(sizeof(struct state));
      if (st == NULL) {
         return NULL;
    }
      st->width = width;
        st->height = height;
         st->sx = 1; 
          st->sy = 0;
        st->snake = add_snake(NULL, width / 2, height / 2);

    for (int i = 0; i < FOOD_COUNT; i++) {
        st->foodx[i] = rand() % width;
        st->foody[i] = rand() % height;
      }
     return st;
}

void free_world(struct state* st) {
     if (st != NULL) {
           free_snake(st->snake);
          free(st);
     }
}

void change_direction(struct state* st, int dx, int dy) {
      if (st->sx != -dx || st->sy != -dy) {
          st->sx = dx;
         st->sy = dy;
     }
}