/************************************************************************
* Minetest-c55
* Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
*
* activeobject.h
* voxelands - 3d voxel world sandbox game
* Copyright (C) Lisa 'darkrose' Milne 2013-2014 <lisa@ltmnet.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>
*
* License updated from GPLv2 or later to GPLv3 or later by Lisa Milne
* for Voxelands.
************************************************************************/


#ifndef ACTIVEOBJECT_HEADER
#define ACTIVEOBJECT_HEADER

#include "common_irrlicht.h"
#include <string>

#define ACTIVEOBJECT_TYPE_INVALID 0
// Other types are defined in content_object.h

struct ActiveObjectMessage
{
	ActiveObjectMessage(u16 id_, bool reliable_=true, std::string data_=""):
		id(id_),
		reliable(reliable_),
		datastring(data_)
	{}

	u16 id;
	bool reliable;
	std::string datastring;
};

/*
	Parent class for ServerActiveObject and ClientActiveObject
*/
class ActiveObject
{
public:
	ActiveObject(u16 id):
		m_id(id)
	{
	}

	u16 getId()
	{
		return m_id;
	}

	void setId(u16 id)
	{
		m_id = id;
	}

	virtual u8 getType() const = 0;

protected:
	u16 m_id; // 0 is invalid, "no id"
};

struct DistanceSortedActiveObject
{
	ActiveObject *obj;
	f32 d;

	DistanceSortedActiveObject(ActiveObject *a_obj, f32 a_d)
	{
		obj = a_obj;
		d = a_d;
	}

	bool operator < (DistanceSortedActiveObject &other)
	{
		return d < other.d;
	}
};

#endif