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

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


    OVERVIEW
    ========
    Conventional Drive (system) class
*/

#ifndef Drive_h
#define Drive_h

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

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

class Bolt;
class DriveSprite;
class Light;
class Sound;
class Ship;

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

struct DrivePort {
   static const char* TYPENAME() { return "DrivePort"; }

   DrivePort(const Point& l, float s);
   ~DrivePort();

   Point          loc;
   float          scale;

   DriveSprite*   flare;
   Bolt*          trail;
};

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

class Drive : public System
{
public:
   enum SUBTYPE   { PLASMA, FUSION, GREEN, RED, BLUE, YELLOW, STEALTH };
   enum Constants { MAX_ENGINES=16 };

   Drive(SUBTYPE s, float max_thrust, float max_aug, bool show_trail=true);
   Drive(const Drive& rhs);
   virtual ~Drive();

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

   float             Thrust(double seconds);
   float             MaxThrust()          const { return thrust;        }
   float             MaxAugmenter()       const { return augmenter;     }
   int               NumEngines()         const;
   DriveSprite*      GetFlare(int port)   const;
   Bolt*             GetTrail(int port)   const;
   bool              IsAugmenterOn()      const;

   virtual void      AddPort(const Point& loc, float flare_scale=0);
   virtual void      CreatePort(const Point& loc, float flare_scale);

   virtual void      Orient(const Physical* rep);

   void              SetThrottle(double t, bool aug=false);
   virtual double    GetRequest(double seconds) const;

protected:
   float             thrust;
   float             augmenter;
   float             scale;
   float             throttle;
   float             augmenter_throttle;
   float             intensity;

   List<DrivePort>   ports;

   Sound*            sound;
   Sound*            burner_sound;
   bool              show_trail;
};

#endif Drive_h