/*
Danger from the Deep - Open source submarine simulation
Copyright (C) 2003-2006  Thorsten Jordan, Luis Barrancos and others.

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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

// depth charges
// subsim (C)+(W) Thorsten Jordan. SEE LICENSE

#ifndef DEPTH_CHARGE_H
#define DEPTH_CHARGE_H

#include "sea_object.h"

// fixme: these values depend on depth charge type.
#define DEPTH_CHARGE_SINK_SPEED 4	// m/sec
#define DEADLY_DC_RADIUS_SURFACE 120	// meters
#define DEADLY_DC_RADIUS_200M 80
#define DAMAGE_DC_RADIUS_SURFACE 480	// meters, fixme realistic values?
#define DAMAGE_DC_RADIUS_200M 320

///\brief Represents a depth charge with simulation of it.
/** At the moment there are no specialisations for various types of depth charges */
class depth_charge : public sea_object
{
 private:
	depth_charge();
	depth_charge& operator=(const depth_charge& other);
	depth_charge(const depth_charge& other);

protected:
	double explosion_depth;

public:
	depth_charge(game& gm_);	// for loading
	depth_charge(game& gm_, double expl_depth, const vector3& pos);	// for creation

	virtual void load(const xml_elem& parent);
	virtual void save(xml_elem& parent) const;

	virtual void simulate(double delta_time);
	virtual vector3 get_acceleration() const;
};

#endif