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/*
Minetest-c55
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2012 sapier sapier at gmx dot net
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.
*/
#ifndef CLIENTLINKABLEOBJECT_H_
#define CLIENTLINKABLEOBJECT_H_
#include <list>
#include <sstream>
#include <irrlichttypes.h>
#include "clientobject.h"
#include "environment.h"
#include "content_object.h"
#include "utility.h"
#include "log.h"
class ClientLinkableObject {
public:
ClientLinkableObject();
~ClientLinkableObject();
//internal communication between entitys NOT to be used by user
void link(ClientLinkableObject* entity);
void unlink(ClientLinkableObject* entity);
virtual void setPosition(v3f toset, float dtime) = 0;
virtual void updateLinkState(bool value) = 0;
protected:
void stepLinkedObjects(v3f pos,float dtime);
bool handleLinkUnlinkMessages(u8 cmd,std::istringstream* is,ClientEnvironment *m_env);
//user driven functions (exported by lua)
bool linkEntity(v3f offset, ClientLinkableObject* parent);
bool unlinkEntity();
bool isLinked();
v3f m_linkOffset;
private:
ClientLinkableObject* m_Parent;
std::list<ClientLinkableObject*> m_LinkedObjects;
};
#endif /* CLIENTLINKABLEOBJECT_H_ */
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