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

struct snake* add_snake(struct snake* snake,int x,int y)
{
    if (snake == NULL)
    {
        return NULL;
    }
    //pomocna smernikova premenna
    struct snake* currentPtr = snake;
    while (currentPtr != NULL)
    {
        //uloz dalsiu cast
        struct snake* nextPtr = currentPtr->next;
        free(currentPtr);
        currentPtr = nextPtr;
    }
}

struct snake* remove_snake(struct snake* snake){
    return NULL;
}

void free_snake(struct snake* sn)
{

}

int is_snake(struct snake* snake,int x,int y){
    if (snake == NULL)
    {
        return 1;
    }
    //pomocna pointer premanna
    struct snake* currentPtr = snake;
    while (currentPtr != NULL)
    {
        //uloz dalsiu cast
        struct snake* nextPtr = currentPtr->next;
        free(currentPtr);
        currentPtr = nextPtr;
    }

    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;
}