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/*  Project Starshatter 4.5
    Destroyer Studios LLC
    Copyright © 1997-2005. All Rights Reserved.

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


    OVERVIEW
    ========
    A Single Edge Section of a Terrain Object
*/

#ifndef TerrainApron_h
#define TerrainApron_h

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

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

class Terrain;

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

class TerrainApron : public Solid
{
public:
   TerrainApron(Terrain* terrain,
                const Bitmap* patch, const Rect& rect,
                const Point&  p1,    const Point& p2);
   virtual ~TerrainApron();

   virtual void      Render(Video* video, DWORD flags);
   virtual void      Update();

   virtual int       CollidesWith(Graphic& o);
   virtual bool      Luminous()    const { return false; }
   virtual bool      Translucent() const { return false; }

   // accessors:
   double            Scale()           const { return scale;    }
   double            MountainScale()   const { return mtnscale; }
   double            SeaLevel()        const { return base;     }
   void              SetScales(double scale, double mtnscale, double base);

   void              Illuminate(Color ambient, List<Light>& lights);
   virtual int       CheckRayIntersection(Point pt, Point vpn, double len, Point& ipt,
                                          bool treat_translucent_polys_as_solid=true);

protected:
   virtual bool      BuildApron();

   Terrain*          terrain;
   int               nverts;
   int               npolys;
   int               terrain_width;

   Rect              rect;
   float*            heights;

   double            scale;
   double            mtnscale;
   double            base;
   double            size;
};


#endif TerrainApron_h