vert_strip.H

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/**********************************************************************
 * vert_strip.H:
 **********************************************************************/
#ifndef VERT_STRIP_H_IS_INCLUDED
#define VERT_STRIP_H_IS_INCLUDED

#include "bvert.H"

class StripCB;
/**********************************************************************
 * VertStrip:
 *
 *      Builds and stores vert strips -- sequences of mesh vertices
 *      that can be drawn, e.g. as OpenGL point strips. 
 *
 *      Like TriStrips and EdgeStrips, uses a StripCB for the actual
 *      graphics calls.
 **********************************************************************/
#define CVertStrip const VertStrip
class VertStrip {
 public:
   //******** MANAGERS ********
   VertStrip() : _patch(0), _index(-1) {}
   virtual ~VertStrip();

   //******** ACCESSORS ********
   CARRAY<Bvert*> &verts() const { return _verts;}
   Patch*          patch() const { return _patch; }

   Bvert* vert(int i)      const { return _verts[i]; }

   bool   empty()          const { return _verts.empty(); }
   int    num()            const { return _verts.num(); }

   //******** THE MAIN JOB ********
   virtual void draw(StripCB* cb);

   //******** BUILDING ********
   virtual void reset() { _verts.clear(); }
   void add(Bvert* v)   { _verts += v; }

 protected:
   friend class Patch;

   //******** DATA ********
   ARRAY<Bvert*>  _verts;       // the sequence of verts
   Patch*         _patch;       // patch this is assigned to
   int            _index;       // index in patch's list

   //******** PROTECTED METHODS ********
   // setting the Patch -- nobody's bizness but the Patch's:
   // (to set it call Patch::add(VertStrip*))
   void   set_patch(Patch* p)           { _patch = p; }
   void   set_patch_index(int k)        { _index = k; }
   int    patch_index() const           { return _index; }
};

#endif // VERT_STRIP_H_IS_INCLUDED

/* end of file vert_strip.H */

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