#ifndef ENTITY_H
#define ENTITY_H

#define MAX_ENTITIES 256U

typedef void (*update_cb_t)(unsigned new_entity_id, void *ref);
typedef void (*remove_cb_t)(void *ref);

void entities_clear();
void entities_purge();

unsigned entity_add();
void entity_mark(unsigned id);

unsigned entity_add_component(
    unsigned id, update_cb_t update, remove_cb_t remove, void *ref);
void entity_update_component(
    unsigned entity_id, unsigned component_id, void *new_ref);

#endif