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/* Starshatter OpenSource Distribution
Copyright (c) 1997-2004, Destroyer Studios LLC.
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name "Destroyer Studios" nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
SUBSYSTEM: Stars.exe
FILE: Contact.h
AUTHOR: John DiCamillo
OVERVIEW
========
Sensor Contact class
*/
#ifndef Contact_h
#define Contact_h
#include "Types.h"
#include "SimObject.h"
#include "System.h"
#include "Geometry.h"
// +--------------------------------------------------------------------+
class Ship;
class Shot;
class Contact : public SimObserver
{
friend class Sensor;
public:
static const char* TYPENAME() { return "Contact"; }
Contact();
Contact(Ship* s, float p, float a);
Contact(Shot* s, float p, float a);
virtual ~Contact();
int operator == (const Contact& c) const;
Ship* GetShip() const { return ship; }
Shot* GetShot() const { return shot; }
Point Location() const { return loc; }
double PasReturn() const { return d_pas; }
double ActReturn() const { return d_act; }
bool PasLock() const;
bool ActLock() const;
double Age() const;
bool IsProbed() const { return probe; }
DWORD AcquisitionTime() const { return acquire_time; }
int GetIFF(const Ship* observer) const;
void GetBearing(const Ship* observer, double& az, double& el, double& r) const;
double Range(const Ship* observer,
double limit=75e3) const;
bool InFront(const Ship* observer) const;
bool Threat(const Ship* observer) const;
bool Visible(const Ship* observer) const;
void Reset();
void Merge(Contact* c);
void ClearTrack();
void UpdateTrack();
int TrackLength() const { return ntrack; }
Point TrackPoint(int i) const;
virtual bool Update(SimObject* obj);
virtual const char* GetObserverName() const;
private:
Ship* ship;
Shot* shot;
Point loc;
DWORD acquire_time;
DWORD time;
Point* track;
int ntrack;
DWORD track_time;
float d_pas; // power output
float d_act; // mass, size
bool probe; // scanned by probe
};
#endif // Contact_h
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