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/*  Project Starshatter 4.5
	Destroyer Studios LLC
	Copyright © 1997-2004. All Rights Reserved.

	SUBSYSTEM:    Stars.exe
	FILE:         NavLight.h
	AUTHOR:       John DiCamillo


	OVERVIEW
	========
	Navigation Lights System class
*/

#ifndef NavLight_h
#define NavLight_h

#include "Types.h"
#include "System.h"
#include "DriveSprite.h"
#include "Geometry.h"

// +--------------------------------------------------------------------+

class NavLight : public System
{
public:
	enum Constants { MAX_LIGHTS = 8 };

	NavLight(double period, double scale);
	NavLight(const NavLight& rhs);
	virtual ~NavLight();

	static void    Initialize();
	static void    Close();

	virtual void   ExecFrame(double seconds);

	int            NumBeacons()      const { return nlights;       }
	Sprite*        Beacon(int index) const { return beacon[index]; }
	bool           IsEnabled()       const { return enable;        }

	virtual void   Enable();
	virtual void   Disable();
	virtual void   AddBeacon(Point loc, DWORD pattern, int type=1);
	virtual void   SetPeriod(double p);
	virtual void   SetPattern(int index, DWORD p);
	virtual void   SetOffset(DWORD o);

	virtual void   Orient(const Physical* rep);

protected:
	double      period;
	double      scale;
	bool        enable;

	int         nlights;

	Point          loc[MAX_LIGHTS];
	DriveSprite*   beacon[MAX_LIGHTS];
	DWORD          pattern[MAX_LIGHTS];
	int            beacon_type[MAX_LIGHTS];
	DWORD          offset;
};

#endif NavLight_h