minetest/src/client/activeobjectmgr.cpp

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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;
}
infostream << "Client::ActiveObjectMgr::registerObject(): "
<< "added (id=" << obj->getId() << ")" << std::endl;
m_active_objects[obj->getId()] = obj;
return true;
}
void ActiveObjectMgr::removeObject(u16 id)
{
verbosestream << "Client::ActiveObjectMgr::removeObject(): "
<< "id=" << id << std::endl;
ClientActiveObject *obj = getActiveObject(id);
if (!obj) {
infostream << "Client::ActiveObjectMgr::removeObject(): "
<< "id=" << id << " not found" << std::endl;
return;
}
m_active_objects.erase(id);
obj->removeFromScene(true);
delete obj;
}
// clang-format on
void ActiveObjectMgr::getActiveObjects(const v3f &origin, f32 max_d,
std::vector<DistanceSortedActiveObject> &dest)
{
f32 max_d2 = max_d * max_d;
for (auto &ao_it : m_active_objects) {
ClientActiveObject *obj = ao_it.second;
f32 d2 = (obj->getPosition() - origin).getLengthSQ();
if (d2 > max_d2)
continue;
dest.emplace_back(obj, d2);
}
}
} // namespace client