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

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


    OVERVIEW
    ========
    Quantum (JUMP) Drive (system) class
*/

#ifndef QuantumDrive_h
#define QuantumDrive_h

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

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

class Ship;
class SimRegion;

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

class QuantumDrive : public System
{
public:
   enum SUBTYPE { QUANTUM, HYPER };

   QuantumDrive(SUBTYPE s, double capacity, double sink_rate);
   QuantumDrive(const QuantumDrive& rhs);
   virtual ~QuantumDrive();

   enum ACTIVE_STATES {
      ACTIVE_READY, ACTIVE_COUNTDOWN, ACTIVE_PREWARP, ACTIVE_POSTWARP
   };

   void              SetDestination(SimRegion* rgn, const Point& loc);
   bool              Engage(bool immediate=false);
   int               ActiveState() const { return active_state; }
   double            WarpFactor()  const { return warp_fov;     }
   double            JumpTime()    const { return jump_time;    }
   virtual void      PowerOff();

   virtual void      ExecFrame(double seconds);

   void              SetShip(Ship* s)  { ship = s;    }
   Ship*             GetShip() const   { return ship; }

   double            GetCountdown() const    { return countdown; }
   void              SetCountdown(double d)  { countdown = d;    }

protected:
   void              Jump();
   void              AbortJump();

   int               active_state;

   Ship*             ship;
   double            warp_fov;
   double            jump_time;
   double            countdown;

   SimRegion*        dst_rgn;
   Point             dst_loc;
};

#endif // QuantumDrive_h