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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
- {
- ActiveObjectMgr::~ActiveObjectMgr()
- {
- if (!m_active_objects.empty()) {
- warningstream << "server::ActiveObjectMgr::~ActiveObjectMgr(): not cleared."
- << std::endl;
- clear();
- }
- }
- void ActiveObjectMgr::clearIf(const std::function<bool(ServerActiveObject *, u16)> &cb)
- {
- for (auto &it : m_active_objects.iter()) {
- if (!it.second)
- continue;
- if (cb(it.second.get(), it.first)) {
- // Remove reference from m_active_objects
- m_active_objects.remove(it.first);
- }
- }
- }
- void ActiveObjectMgr::step(
- float dtime, const std::function<void(ServerActiveObject *)> &f)
- {
- size_t count = 0;
- for (auto &ao_it : m_active_objects.iter()) {
- if (!ao_it.second)
- continue;
- count++;
- f(ao_it.second.get());
- }
- g_profiler->avg("ActiveObjectMgr: SAO count [#]", count);
- }
- bool ActiveObjectMgr::registerObject(std::unique_ptr<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;
- 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;
- 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;
- return false;
- }
- auto obj_id = obj->getId();
- m_active_objects.put(obj_id, std::move(obj));
- auto new_size = m_active_objects.size();
- verbosestream << "Server::ActiveObjectMgr::addActiveObjectRaw(): "
- << "Added id=" << obj_id << "; there are now ";
- if (new_size == decltype(m_active_objects)::unknown)
- verbosestream << "???";
- else
- verbosestream << new_size;
- verbosestream << " active objects." << std::endl;
- return true;
- }
- void ActiveObjectMgr::removeObject(u16 id)
- {
- verbosestream << "Server::ActiveObjectMgr::removeObject(): "
- << "id=" << id << std::endl;
- // this will take the object out of the map and then destruct it
- bool ok = m_active_objects.remove(id);
- if (!ok) {
- infostream << "Server::ActiveObjectMgr::removeObject(): "
- << "id=" << id << " not found" << std::endl;
- }
- }
- 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.iter()) {
- ServerActiveObject *obj = activeObject.second.get();
- if (!obj)
- continue;
- 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.iter()) {
- ServerActiveObject *obj = activeObject.second.get();
- if (!obj)
- continue;
- 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.iter()) {
- u16 id = ao_it.first;
- // Get object
- ServerActiveObject *object = ao_it.second.get();
- 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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