src/client/activeobjectmgr.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2018 nerzhul, Loic BLOT <loic.blot@unix-experience.fr>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <log.h>
  21 #include "profiler.h"
  22 #include "activeobjectmgr.h"
  23
  24 namespace client
  25 {
  26
  27 void ActiveObjectMgr::clear()
  28 {
  29         // delete active objects
  30         for (auto &active_object : m_active_objects) {
  31                 delete active_object.second;
  32         }
  33 }
  34
  35 void ActiveObjectMgr::step(
  36                 float dtime, const std::function<void(ClientActiveObject *)> &f)
  37 {
  38         g_profiler->avg("ActiveObjectMgr: CAO count [#]", m_active_objects.size());
  39         for (auto &ao_it : m_active_objects) {
  40                 f(ao_it.second);
  41         }
  42 }
  43
  44 // clang-format off
  45 bool ActiveObjectMgr::registerObject(ClientActiveObject *obj)
  46 {
  47         assert(obj); // Pre-condition
  48         if (obj->getId() == 0) {
  49                 u16 new_id = getFreeId();
  50                 if (new_id == 0) {
  51                         infostream << "Client::ActiveObjectMgr::registerObject(): "
  52                                         << "no free id available" << std::endl;
  53
  54                         delete obj;
  55                         return false;
  56                 }
  57                 obj->setId(new_id);
  58         }
  59
  60         if (!isFreeId(obj->getId())) {
  61                 infostream << "Client::ActiveObjectMgr::registerObject(): "
  62                                 << "id is not free (" << obj->getId() << ")" << std::endl;
  63                 delete obj;
  64                 return false;
  65         }
  66         infostream << "Client::ActiveObjectMgr::registerObject(): "
  67                         << "added (id=" << obj->getId() << ")" << std::endl;
  68         m_active_objects[obj->getId()] = obj;
  69         return true;
  70 }
  71
  72 void ActiveObjectMgr::removeObject(u16 id)
  73 {
  74         verbosestream << "Client::ActiveObjectMgr::removeObject(): "
  75                         << "id=" << id << std::endl;
  76         ClientActiveObject *obj = getActiveObject(id);
  77         if (!obj) {
  78                 infostream << "Client::ActiveObjectMgr::removeObject(): "
  79                                 << "id=" << id << " not found" << std::endl;
  80                 return;
  81         }
  82
  83         m_active_objects.erase(id);
  84
  85         obj->removeFromScene(true);
  86         delete obj;
  87 }
  88
  89 // clang-format on
  90 void ActiveObjectMgr::getActiveObjects(const v3f &origin, f32 max_d,
  91                 std::vector<DistanceSortedActiveObject> &dest)
  92 {
  93         f32 max_d2 = max_d * max_d;
  94         for (auto &ao_it : m_active_objects) {
  95                 ClientActiveObject *obj = ao_it.second;
  96
  97                 f32 d2 = (obj->getPosition() - origin).getLengthSQ();
  98
  99                 if (d2 > max_d2)
 100                         continue;
 101
 102                 dest.emplace_back(obj, d2);
 103         }
 104 }
 105
 106 } // namespace client