pico_ecs_cpp.h

#pragma once

#include <pico_ecs.h>

// -- System API --
template<ecs_system_fn F>
inline ecs_id_t ecs_system;

template<ecs_system_fn F, typename... Cs>
ecs_id_t ecs_register_system(ecs_t *ecs, void *udata)
{
	ecs_id_t id = ecs_system<F> = ecs_register_system(ecs, F, NULL, NULL, udata);
	(ecs_require_component<Cs>(ecs, id), ...);
	return id;
}

template<typename T>
inline void ecs_require_component(ecs_t *ecs, ecs_id_t sys_id)
{
	ecs_require_component(ecs, sys_id, ecs_component<T>);
}

template<auto F>
inline ecs_ret_t ecs_update_system(ecs_t *ecs, ecs_dt_t dt)
{
	const ecs_id_t system_id = ecs_system<F>;
	return ecs_update_system(ecs, system_id, dt);
}

// -- Component API --
template<typename T>
inline ecs_id_t ecs_component;

template<typename T>
inline ecs_id_t ecs_register_component(ecs_t *ecs, ecs_constructor_fn constructor = NULL, ecs_destructor_fn destructor = NULL)
{
	return ecs_component<T> = ecs_register_component(ecs, sizeof(T), constructor, destructor);
}

// -- Entity API --
template<typename T>
inline T *ecs_add(ecs_t *ecs, ecs_id_t entity_id, void *args = NULL)
{
	return (T *)ecs_add(ecs, entity_id, ecs_component<T>, args);
}

template<typename T>
inline T *ecs_get(ecs_t *ecs, ecs_id_t entity_id)
{
	return (T *)ecs_get(ecs, entity_id, ecs_component<T>);
}