//----------------------------------------------------------------------------
//  EgalTech 2017-2017
//----------------------------------------------------------------------------
// File : EGkIntersPlaneSurfTm.h      Data : 16.10.17       Versione : 1.8j4
// Contenuto : Dichiarazione delle funzioni intersezione Piano/SurfTriMesh.
//
//
//
// Modifiche : 16.10.17 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkSurfTriMesh.h"
#include "/EgtDev/Include/EGkHashGrids1d.h"

//----------------------- Macro per import/export ----------------------------
#undef EGK_EXPORT
#if defined( I_AM_EGK)            // da definirsi solo nella DLL
   #define EGK_EXPORT __declspec( dllexport)
#else
   #define EGK_EXPORT __declspec( dllimport)
#endif
 
//-----------------------------------------------------------------------------
EGK_EXPORT bool IntersPlaneSurfTm( const Plane3d& plPlane, const ISurfTriMesh& Stm,
                                   PNTVECTOR& vPnt, BIPNTVECTOR& vBpt, TRIA3DVECTOR& vTria) ;


//-----------------------------------------------------------------------------
class IntersParPlanesSurfTm
{
   public :
      EGK_EXPORT IntersParPlanesSurfTm( const Frame3d& frPlanes, const ISurfTriMesh& Stm) ;
      EGK_EXPORT bool GetInters( double dDist, PNTVECTOR& vPnt, BIPNTVECTOR& vBpt, TRIA3DVECTOR& vTria) const ;

   private :
      bool                m_bOk ;
      const Frame3d       m_frPlanes ;
      const ISurfTriMesh* m_pSTm ;
      HashGrids1d         m_HGrids ;
} ;