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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 "mapblock.h"
#include "profiler.h"
#include "activeobjectmgr.h"
namespace server
{
void ActiveObjectMgr::clear(const std::function<bool(ServerActiveObject *, u16)> &cb)
{
std::vector<u16> objects_to_remove;
for (auto &it : m_active_objects) {
if (cb(it.second, it.first)) {
// Id to be removed from m_active_objects
objects_to_remove.push_back(it.first);
}
}
// Remove references from m_active_objects
for (u16 i : objects_to_remove) {
m_active_objects.erase(i);
}
}
void ActiveObjectMgr::step(
float dtime, const std::function<void(ServerActiveObject *)> &f)
{
g_profiler->avg("ActiveObjectMgr: SAO count [#]", m_active_objects.size());
for (auto &ao_it : m_active_objects) {
f(ao_it.second);
}
}
// clang-format off
bool ActiveObjectMgr::registerObject(ServerActiveObject *obj)
{
assert(obj); // Pre-condition
if (obj->getId() == 0) {
u16 new_id = getFreeId();
if (new_id == 0) {
errorstream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
<< "no free id available" << std::endl;
if (obj->environmentDeletes())
delete obj;
return false;
}
obj->setId(new_id);
} else {
verbosestream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
<< "supplied with id " << obj->getId() << std::endl;
}
if (!isFreeId(obj->getId())) {
errorstream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
<< "id is not free (" << obj->getId() << ")" << std::endl;
if (obj->environmentDeletes())
delete obj;
return false;
}
if (objectpos_over_limit(obj->getBasePosition())) {
v3f p = obj->getBasePosition();
warningstream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
<< "object position (" << p.X << "," << p.Y << "," << p.Z
<< ") outside maximum range" << std::endl;
if (obj->environmentDeletes())
delete obj;
return false;
}
m_active_objects[obj->getId()] = obj;
verbosestream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
<< "Added id=" << obj->getId() << "; there are now "
<< m_active_objects.size() << " active objects." << std::endl;
return true;
}
void ActiveObjectMgr::removeObject(u16 id)
{
verbosestream << "Server::ActiveObjectMgr::removeObject(): "
<< "id=" << id << std::endl;
ServerActiveObject *obj = getActiveObject(id);
if (!obj) {
infostream << "Server::ActiveObjectMgr::removeObject(): "
<< "id=" << id << " not found" << std::endl;
return;
}
m_active_objects.erase(id);
delete obj;
}
// clang-format on
void ActiveObjectMgr::getObjectsInsideRadius(const v3f &pos, float radius,
std::vector<ServerActiveObject *> &result,
std::function<bool(ServerActiveObject *obj)> include_obj_cb)
{
float r2 = radius * radius;
for (auto &activeObject : m_active_objects) {
ServerActiveObject *obj = activeObject.second;
const v3f &objectpos = obj->getBasePosition();
if (objectpos.getDistanceFromSQ(pos) > r2)
continue;
if (!include_obj_cb || include_obj_cb(obj))
result.push_back(obj);
}
}
void ActiveObjectMgr::getObjectsInArea(const aabb3f &box,
std::vector<ServerActiveObject *> &result,
std::function<bool(ServerActiveObject *obj)> include_obj_cb)
{
for (auto &activeObject : m_active_objects) {
ServerActiveObject *obj = activeObject.second;
const v3f &objectpos = obj->getBasePosition();
if (!box.isPointInside(objectpos))
continue;
if (!include_obj_cb || include_obj_cb(obj))
result.push_back(obj);
}
}
void ActiveObjectMgr::getAddedActiveObjectsAroundPos(const v3f &player_pos, f32 radius,
f32 player_radius, std::set<u16> ¤t_objects,
std::queue<u16> &added_objects)
{
/*
Go through the object list,
- discard removed/deactivated objects,
- discard objects that are too far away,
- discard objects that are found in current_objects.
- add remaining objects to added_objects
*/
for (auto &ao_it : m_active_objects) {
u16 id = ao_it.first;
// Get object
ServerActiveObject *object = ao_it.second;
if (!object)
continue;
if (object->isGone())
continue;
f32 distance_f = object->getBasePosition().getDistanceFrom(player_pos);
if (object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
// Discard if too far
if (distance_f > player_radius && player_radius != 0)
continue;
} else if (distance_f > radius)
continue;
// Discard if already on current_objects
auto n = current_objects.find(id);
if (n != current_objects.end())
continue;
// Add to added_objects
added_objects.push(id);
}
}
} // namespace server
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