//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : SurfTriMesh.h         Data : 26.03.14          Versione : 1.5c9
// Contenuto : Dichiarazione della classe Superfici TriMesh.
//
//
//
// Modifiche : 26.03.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "ObjGraphicsMgr.h"
#include "DllMain.h"
#include "/EgtDev/Include/EGkSurfTriMesh.h"
#include <vector>

//----------------------------------------------------------------------------
const int VT_NULL = - 1 ;           // vertice o triangolo nullo
const int VT_DEL = - 2 ;            // vertice o triangolo cancellato

//----------------------------------------------------------------------------
class StmVert
{
   public :
      StmVert( void) : ptP(), nIdTria( VT_NULL), nFlag( 0) {}
      StmVert( const Point3d& ptQ) : ptP( ptQ), nIdTria( VT_NULL), nFlag( 0) {}
      StmVert( const Point3d& ptQ, int nIdT, int nF) : ptP( ptQ), nIdTria( nIdT), nFlag( nF) {}
   public :
      Point3d ptP ;
      int     nIdTria ;
      int     nFlag ;
} ;

//----------------------------------------------------------------------------
class StmTria
{
   public :
      StmTria( void) : vtN(), nTFlag( 0), nEFlag( 0)
            { nIdVert[0] = VT_NULL ; nIdVert[1] = VT_NULL ; nIdVert[2] = VT_NULL ;
              nIdAdjac[0] = VT_NULL ; nIdAdjac[1] = VT_NULL ; nIdAdjac[2] = VT_NULL ; }
      StmTria( const int nIdV[3]) : vtN(), nTFlag( 0), nEFlag( 0)
            { nIdVert[0] = nIdV[0] ; nIdVert[1] = nIdV[1] ; nIdVert[2] = nIdV[2] ;
              nIdAdjac[0] = VT_NULL ; nIdAdjac[1] = VT_NULL ; nIdAdjac[2] = VT_NULL ; }
      StmTria( const int nIdV[3], const int nIdA[3], const Vector3d& vtV, int nTF, int nEF)
            : vtN( vtV), nTFlag( nTF), nEFlag( nEF)
            { nIdVert[0] = nIdV[0] ; nIdVert[1] = nIdV[1] ; nIdVert[2] = nIdV[2] ;
              nIdAdjac[0] = nIdA[0] ; nIdAdjac[1] = nIdA[1] ; nIdAdjac[2] = nIdA[2] ; }
   public :
      int nIdVert[3] ;
      int nIdAdjac[3] ;
      Vector3d vtN ;
      int nTFlag ;
      int nEFlag ;
} ;

//----------------------------------------------------------------------------
class SurfTriMesh : public ISurfTriMesh
{
   public :                      // IGeoObj
      virtual ~SurfTriMesh( void) ;
      virtual SurfTriMesh* Clone( void) const ;
      virtual GeoObjType GetType( void) const
                      { return SRF_TRIMESH ; }
      virtual bool IsValid( void) const
                      { return ( m_nStatus == OK) ; }
      virtual const std::string& GetTitle( void) const ;
      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
      virtual const std::string& GetKey( void) const ;
      virtual bool Save( std::ostream& osOut) const ;
      virtual bool Load( Scanner& TheScanner) ;
      virtual bool GetLocalBBox( BBox3d& b3Loc) const ;
      virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref) const ;
      virtual bool Translate( const Vector3d& vtMove) ;
      virtual bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng) ;
      virtual bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dAngRad)
                      { return Rotate( ptAx, vtAx, cos( dAngRad), sin( dAngRad)) ; }
      virtual bool Scale( const Frame3d& frRef, double dCoeffX, double dCoeffY, double dCoeffZ) ;
      virtual bool Mirror( const Point3d& ptOn, const Vector3d& vtNorm) ;
      virtual bool ToGlob( const Frame3d& frRef) ;
      virtual bool ToLoc( const Frame3d& frRef) ;
      virtual void SetObjGraphics( IObjGraphics* pOGr)
                      { m_OGrMgr.SetObjGraphics( pOGr) ; }
      virtual IObjGraphics* GetObjGraphics( void)
                      { return m_OGrMgr.GetObjGraphics() ; }
      virtual const IObjGraphics* GetObjGraphics( void) const
                      { return m_OGrMgr.GetObjGraphics() ; }

   public :                      // ISurf
      virtual bool IsSimple( void) const
                      { return true ; }
      virtual bool IsClosed( void) const
                      { return m_bClosed ; }

   public :                      // ISurfTriMesh
      virtual bool Copy( const IGeoObj* pGObjSrc) ;
      virtual bool Init( int nNumVert, int nNumTria) ;
      virtual int  AddVertex( const Point3d& ptVert) ;
      virtual int  AddTriangle( const int nIdVert[3]) ; 
      virtual int GetFirstTriangle( Point3d& ptP0, Point3d& ptP1, Point3d& ptP2) const ; 
      virtual int GetNextTriangle( int nId, Point3d& ptP0, Point3d& ptP1, Point3d& ptP2) const ; 

   public :
      SurfTriMesh( void) ;
      const SurfTriMesh& operator =( const SurfTriMesh& stSrc)
                  { if ( ! Copy( stSrc))
                       LOG_ERROR( GetEGkLogger(), "SurfTriMesh : copy error")
                    return *this ; }

   private :
      bool Copy( const SurfTriMesh& clSrc) ;
      bool Validate( void) ;
      bool SetVertex( int nInd, const StmVert& vV) ;
      bool SetTriangle( int nInd, const StmTria& tT) ; 
      int  GetVertexNum( void) const
              { return int( m_vVert.size()) ; }
      int  GetTriangleNum( void) const
              { return int( m_vTria.size()) ; }
      bool CalcTriangleNormal( int nT) ;
      bool InvertTriangle( int nT) ;

   private :
      enum Status { ERR = 0, OK = 1, TO_VERIFY = 2} ;

   private :
      typedef std::vector<StmVert> VERTVECTOR ;
      typedef std::vector<StmTria> TRIAVECTOR ;

   private :
      ObjGraphicsMgr m_OGrMgr ;        // gestore grafica dell'oggetto
      Status         m_nStatus ;       // stato
      bool           m_bClosed ;       // la superficie racchiude un volume
      VERTVECTOR     m_vVert ;         // vettore dei vertici
      TRIAVECTOR     m_vTria ;         // vettore dei triangoli
} ;