//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : ObjOldGraphics.cpp       Data : 10.02.14          Versione : 1.5b1
// Contenuto : Implementazione della classe grafica di un oggetto geometrico.
//
//
//
// Modifiche : 10.02.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "ObjOldGraphics.h"
#include "OpenGL.h"

//----------------------------------------------------------------------------
ObjOldGraphics::~ObjOldGraphics( void)
{
   m_v3fList.clear() ;
}

//----------------------------------------------------------------------------
void
ObjOldGraphics::Reset( void)
{
   m_bValid = false ;
}

//----------------------------------------------------------------------------
bool
ObjOldGraphics::AddPolyLine( const PolyLine& PL)
{
  // cancello eventuali vecchi vertici
   m_v3fList.clear() ;
  // imposto il nuovo stato
   m_bValid = true ;
   m_nMode = GL_LINE_STRIP ;
  // inserisco i nuovi vertici
   Point3d  ptP ;
   for ( bool bFound = PL.GetFirstPoint( ptP) ; bFound ; bFound = PL.GetNextPoint( ptP))
      m_v3fList.push_back( Vert3f( (float)ptP.x, (float)ptP.y, (float)ptP.z)) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
ObjOldGraphics::Draw( void)
{
  // se vuoto non faccio alcunché
   if ( m_v3fList.size() == 0)
      return true ;

  // ciclo di disegno
   glBegin( m_nMode) ;
   V3FLIST::iterator iIter ;
   for ( iIter = m_v3fList.begin() ; iIter != m_v3fList.end() ; ++ iIter) {
      glVertex3f( iIter->x, iIter->y, iIter->z) ;
   }
   glEnd() ;

   return true ;
}