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

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


    OVERVIEW
    ========
    Fighter undercarriage (landing gear) system class
*/

#ifndef LandingGear_h
#define LandingGear_h

#include "Types.h"
#include "System.h"
#include "Solid.h"

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

class Ship;

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

class LandingGear : public System
{
public:
   enum CONSTANTS  { MAX_GEAR = 4 };
   enum GEAR_STATE { GEAR_UP, GEAR_LOWER, GEAR_DOWN, GEAR_RAISE };

   LandingGear();
   LandingGear(const LandingGear& rhs);
   virtual ~LandingGear();

   virtual int       AddGear(Model* m, const Point& s, const Point& e);
   virtual void      ExecFrame(double seconds);
   virtual void      Orient(const Physical* rep);

   GEAR_STATE        GetState()        const { return state; }
   void              SetState(GEAR_STATE s);
   int               NumGear()         const { return ngear; }
   Solid*            GetGear(int i);
   Point             GetGearStop(int i);
   double            GetTouchDown();
   double            GetClearance()    const { return clearance; }

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

protected:
   GEAR_STATE        state;
   double            transit;
   double            clearance;

   int               ngear;
   Model*            models[MAX_GEAR];
   Solid*            gear[MAX_GEAR];
   Point             start[MAX_GEAR];
   Point             end[MAX_GEAR];
};

#endif LandingGear_h