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https://github.com/worldforge/cyphesis
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ac31365d93
* modules/EntityRef.cpp, modules/EntityRef.h: Add a new class to handle a weak reference to an Entity. * tests/EntityReftest.cpp: Test the weak reference class.
84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2006 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id: EntityRef.h,v 1.1 2006-12-04 00:50:38 alriddoch Exp $
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#ifndef MODULES_ENTITY_REF_H
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#define MODULES_ENTITY_REF_H
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#include <sigc++/trackable.h>
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#include <sigc++/signal.h>
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class Entity;
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class EntityRef : public sigc::trackable
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{
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private:
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Entity * m_inner;
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void onEntityDeleted();
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void setup();
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public:
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EntityRef() : m_inner(NULL)
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{
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}
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explicit EntityRef(Entity*);
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~EntityRef()
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{
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}
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EntityRef(const EntityRef& ref);
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EntityRef& operator=(const EntityRef& ref);
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Entity& operator*() const
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{
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return *m_inner;
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}
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Entity* operator->() const
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{
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return m_inner;
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}
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Entity* get() const
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{
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return m_inner;
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}
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bool operator==(const EntityRef& e) const
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{
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return (m_inner == e.m_inner);
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}
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bool operator==(const Entity* e) const
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{
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return (m_inner == e);
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}
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bool operator<(const EntityRef& e) const
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{
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return (m_inner < e.m_inner);
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}
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sigc::signal0<void> Changed;
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};
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#endif // MODULES_ENTITY_REF_H
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