#include "object.h"

/* Increment logic for every object in the list */
void logic(Object* obj)
{
	while (obj = obj->next)
		obj->logic(obj);
}

/* Render every object in the list */
void render(Object* obj)
{
	while (obj = obj->next)
		obj->render(obj);
}

/* Create the head object */
Object* make_object_list(void)
{
	Object* obj;
	obj = malloc(sizeof(Object));
	obj->next = NULL;
}

/* Deallocate the whole object list */
void dealloc_object_list(Object* obj)
{
	Object* next;
	for (; obj != NULL; obj = next) {
		obj->free(obj);
		free(obj->data);
		next = obj->next;
		free(obj);
	}
}

/* Place obj after pos */
void append_obj(Object* pos, Object* obj)
{
	obj->next = pos->next;
	pos->next = obj;
}

/* Remove obj from list */
void remove_obj(Object* list, Object* obj)
{
	/* Locate the node before obj */
	while (list != NULL && list->next != obj)
		list = list->next;
	if (list == NULL) return;
	list->next = obj->next;
}