forked from Mirrorlandia_minetest/minetest
99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
|
|
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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <vector>
|
|
#include "debug.h"
|
|
#include "irrlichttypes.h"
|
|
#include "util/basic_macros.h"
|
|
|
|
class TestClientActiveObjectMgr;
|
|
class TestServerActiveObjectMgr;
|
|
|
|
template <typename T>
|
|
class ActiveObjectMgr
|
|
{
|
|
friend class ::TestClientActiveObjectMgr;
|
|
friend class ::TestServerActiveObjectMgr;
|
|
|
|
public:
|
|
ActiveObjectMgr() = default;
|
|
DISABLE_CLASS_COPY(ActiveObjectMgr);
|
|
|
|
virtual ~ActiveObjectMgr()
|
|
{
|
|
SANITY_CHECK(m_active_objects.empty());
|
|
// Note: Do not call clear() here. The derived class is already half
|
|
// destructed.
|
|
}
|
|
|
|
virtual void step(float dtime, const std::function<void(T *)> &f) = 0;
|
|
virtual bool registerObject(std::unique_ptr<T> obj) = 0;
|
|
virtual void removeObject(u16 id) = 0;
|
|
|
|
void clear()
|
|
{
|
|
while (!m_active_objects.empty())
|
|
removeObject(m_active_objects.begin()->first);
|
|
}
|
|
|
|
T *getActiveObject(u16 id)
|
|
{
|
|
auto it = m_active_objects.find(id);
|
|
return it != m_active_objects.end() ? it->second.get() : nullptr;
|
|
}
|
|
|
|
std::vector<u16> getAllIds() const
|
|
{
|
|
std::vector<u16> ids;
|
|
ids.reserve(m_active_objects.size());
|
|
for (auto &it : m_active_objects) {
|
|
ids.push_back(it.first);
|
|
}
|
|
return ids;
|
|
}
|
|
|
|
protected:
|
|
u16 getFreeId() const
|
|
{
|
|
// try to reuse id's as late as possible
|
|
static thread_local u16 last_used_id = 0;
|
|
u16 startid = last_used_id;
|
|
while (!isFreeId(++last_used_id)) {
|
|
if (last_used_id == startid)
|
|
return 0;
|
|
}
|
|
|
|
return last_used_id;
|
|
}
|
|
|
|
bool isFreeId(u16 id) const
|
|
{
|
|
return id != 0 && m_active_objects.find(id) == m_active_objects.end();
|
|
}
|
|
|
|
// ordered to fix #10985
|
|
// Note: ActiveObjects can access the ActiveObjectMgr. Only erase objects using
|
|
// removeObject()!
|
|
std::map<u16, std::unique_ptr<T>> m_active_objects;
|
|
};
|