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/*  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