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

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


	OVERVIEW
	========
	Power generation and usage classes
*/

#ifndef Power_h
#define Power_h

#include "Types.h"
#include "System.h"
#include "List.h"

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

class PowerSource : public System
{
public:
	enum SUBTYPE { BATTERY, AUX, FUSION };

	PowerSource(SUBTYPE s, double max_output, double fuel_ratio=0);
	PowerSource(const PowerSource& rhs);

	virtual void ExecFrame(double seconds);

	void AddClient(System* client);
	void RemoveClient(System* client);

	List<System>& Clients() { return clients; }

	virtual int    Charge() const;

	virtual void   SetFuelRange(double hours);

	bool           RouteChanged() const { return route_changed;  }
	void           RouteScanned()       { route_changed = false; }

	// override from System:
	virtual void   SetPowerLevel(double level);
	virtual void   SetOverride(bool over);

	// for power drain damage:
	virtual void   DrainPower(double to_level);

protected:
	float          max_output;
	float          fuel_ratio;
	List<System>   clients;
	bool           route_changed;
	float          requested_power_level;
};

#endif Power_h