//----------------------------------------------------------------------------
//  EgalTech 2018-2018
//----------------------------------------------------------------------------
// File : API_GeoInters.cpp       Data : 15.12.18        Versione : 1.9l2
// Contenuto : Funzioni intersezione tra oggetti del DB geometrico per API.
//
//
//
// Modifiche : 15.12.18 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "API.h"
#include "/EgtDev/Include/EInAPI.h"
#include "/EgtDev/Include/EXeExecutor.h"

using namespace std ;

//----------------------------------------------------------------------------
BOOL
__stdcall EgtLineSurfTmInters( const double ptP[3], const double vtDir[3], int nId, int nRefType, int*& vFlagInters, double*& vParInters, int* pnCount)
{
  // verifica parametri
   if ( ptP == nullptr  ||  vtDir == nullptr  ||  &vFlagInters == nullptr  ||  &vParInters == nullptr  ||  pnCount == nullptr)
      return FALSE ;
  // eseguo intersezione
   INTDBLVECTOR vInters ;
   if ( ! ExeLineSurfTmInters( ptP, vtDir, nId, nRefType, vInters))
      return FALSE ;
  // assegno risultati
   int nDim = int( vInters.size()) ;
   if ( nDim == 0) {
      vFlagInters = nullptr ;
      vParInters = nullptr ;
   }
   else {
      vFlagInters = (int*) malloc( nDim * sizeof( int)) ;
      if ( vFlagInters == nullptr)
         return FALSE ;
      vParInters = (double*) malloc( nDim * sizeof( double)) ;
      if ( vParInters == nullptr) {
         free( vFlagInters) ;
         return FALSE ;
      }
      for ( int i = 0 ; i < nDim ; ++ i) {
         vFlagInters[i] = vInters[i].first ;
         vParInters[i] = vInters[i].second ;
      }
   }
   *pnCount = nDim ;
   return TRUE ;
}