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/*
Minetest
Copyright (C) 2010-2018 nerzhul, Loic BLOT <loic.blot@unix-experience.fr>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <log.h>
#include "profiler.h"
#include "activeobjectmgr.h"

namespace client
{

void ActiveObjectMgr::clear()
{
	// delete active objects
	for (auto &active_object : m_active_objects) {
		delete active_object.second;
		// Object must be marked as gone when children try to detach
		active_object.second = nullptr;
	}
	m_active_objects.clear();
}

void ActiveObjectMgr::step(
		float dtime, const std::function<void(ClientActiveObject *)> &f)
{
	g_profiler->avg("ActiveObjectMgr: CAO count [#]", m_active_objects.size());
	for (auto &ao_it : m_active_objects) {
		f(ao_it.second);
	}
}

// clang-format off
bool ActiveObjectMgr::registerObject(ClientActiveObject *obj)
{
	assert(obj); // Pre-condition
	if (obj->getId() == 0) {
		u16 new_id = getFreeId();
		if (new_id == 0) {
			infostream << "Client::ActiveObjectMgr::registerObject(): "
					<< "no free id available" << std::endl;

			delete obj;
			return false;
		}
		obj->setId(new_id);
	}

	if (!isFreeId(obj->getId())) {
		infostream << "Client::ActiveObjectMgr::registerObject(): "
				<< "id is not free (" << obj->getId() << ")" << std::endl;
		delete obj;
		return false;
	}