traintastic/server/src/world/getworld.cpp
Reinder Feenstra 5ca6c73892 replaced world weak_ptr by reference
a world must always outlive its objects
2022-01-17 23:31:04 +01:00

39 Zeilen
1.3 KiB
C++

/**
* server/src/utils/getworld.cpp
*
* This file is part of the traintastic source code.
*
* Copyright (C) 2019-2020,2022 Reinder Feenstra
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 "getworld.hpp"
#include "../core/idobject.hpp"
#include "../core/subobject.hpp"
World& getWorld(Object* object)
{
assert(object);
if(IdObject* idObject = dynamic_cast<IdObject*>(object))
return idObject->world();
if(SubObject* subObject = dynamic_cast<SubObject*>(object))
return getWorld(&subObject->parent());
if(World* world = dynamic_cast<World*>(object))
return *world;
assert(false);
abort();
}