//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : EgkSurfTriMesh.h      Data : 26.03.14          Versione : 1.5c9
// Contenuto : Dichiarazione della interfaccia ISurfTriMesh.
//
//
//
// Modifiche : 26.03.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkSurf.h"
#include "/EgtDev/Include/EGkTriangle3d.h"
#include "/EgtDev/Include/EGkPolyLine.h"

//----------------------------------------------------------------------------
const int SVT_NULL = - 1 ;           // vertice o triangolo nullo
const int SVT_DEL = - 2 ;            // vertice o triangolo cancellato

//----------------------------------------------------------------------------
class __declspec( novtable) ISurfTriMesh : public ISurf
{
   public :
      virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
      virtual bool Init( int nNumVert, int nNumTria, int nNumFacet = 0) = 0 ;
      virtual void SetLinearTolerance( double dLinTol) = 0 ;
      virtual void SetBoundaryAngle( double dBoundaryAngDeg) = 0 ;
      virtual void SetSmoothAngle( double dSmoothAngDeg) = 0 ;
      virtual int  AddVertex( const Point3d& ptVert) = 0 ;
      virtual int  AddTriangle( const int nIdVert[3]) = 0 ;
      virtual bool RemoveTriangle( int nId) = 0 ;
      virtual bool AdjustTopology( void) = 0 ;
      virtual bool CreateByFlatContour( const PolyLine& PL) = 0 ;
      virtual bool CreateByRegion( const POLYLINEVECTOR& vPL) = 0 ;
      virtual bool CreateByExtrusion( const PolyLine& PL, const Vector3d& vtExtr) = 0 ;
      virtual bool CreateByPointCurve( const Point3d& ptP, const PolyLine& PL) = 0 ;
      virtual bool CreateByTwoCurves( const PolyLine& PL1, const PolyLine& PL2) = 0 ;
      virtual bool CreateByRevolution( const PolyLine& PL, const Point3d& ptAx, const Vector3d& vtAx,
                                       double dAngRot, double dStepRot) = 0 ;
      virtual bool CreateByScrewing( const PolyLine& PL, const Point3d& ptAx, const Vector3d& vtAx,
                                     double dAngRot, double dStepRot, double dMove) = 0 ;
      virtual bool DoCompacting( void) = 0 ;
      virtual bool DoSewing( const ISurfTriMesh& stmOther, const Frame3d& frOther = GLOB_FRM) = 0 ;
      virtual int  GetVertexCount( void) const = 0 ;
      virtual int  GetTriangleCount( void) const = 0 ;
      virtual int  GetVertexSize( void) const = 0 ;
      virtual int  GetTriangleSize( void) const = 0 ;
      virtual double GetLinearTolerance( void) = 0 ;
      virtual double GetSmoothAngle( void) = 0 ;
      virtual bool GetVertex( int nId, Point3d& ptP) const = 0 ;
      virtual int  GetFirstVertex( Point3d& ptP) const = 0 ;
      virtual int  GetNextVertex( int nId, Point3d& ptP) const = 0 ;
      virtual bool GetTriangle( int nId, int nIdVert[3]) const = 0 ;
      virtual int  GetFirstTriangle( int nIdVert[3]) const = 0 ; 
      virtual int  GetNextTriangle( int nId, int nIdVert[3]) const = 0 ; 
      virtual bool GetTriangle( int nId, Triangle3d& Tria) const = 0 ;
      virtual int  GetFirstTriangle( Triangle3d& Tria) const = 0 ; 
      virtual int  GetNextTriangle( int nId, Triangle3d& Tria) const = 0 ; 
      virtual int  GetAllTriaAroundVertex( int nV, INTVECTOR& vT, bool& bCirc) const = 0 ;
      virtual bool GetVertexSmoothNormal( int nV, int nT, Vector3d& vtN) const = 0 ;
      virtual bool GetTriangleBoundaryEdges( int nId, TriFlags3d& TFlags) const = 0 ;
      virtual bool GetTriangleSmoothNormals( int nId, TriNormals3d& TNrms) const = 0 ;
      virtual bool GetLoops( POLYLINEVECTOR& vPL) const = 0 ;
      virtual bool GetSilhouette( const Vector3d& vtDir, POLYLINEVECTOR& vPL) const = 0 ;
      virtual int  GetFacetCount( void) const = 0 ;
      virtual int  GetFacetSize( void) const = 0 ;
      virtual int  GetFacetFromTria( int nT) const = 0 ;
      virtual bool GetAllTriaInFacet( int nF, INTVECTOR& vT) const = 0 ;
      virtual bool GetFacetLoops( int nF, POLYLINEVECTOR& vPL) const = 0 ;
      virtual bool GetFacetNearestEndPoint( int nF, const Point3d& ptNear, Point3d& ptEnd, Vector3d& vtN) const = 0 ;
      virtual bool GetFacetNearestMidPoint( int nF, const Point3d& ptNear, Point3d& ptMid, Vector3d& vtN) const = 0 ;
      virtual bool GetFacetCenter( int nF, Point3d& ptCen, Vector3d& vtN) const = 0 ;
      virtual bool GetFacetNormal( int nF, Vector3d& vtN) const = 0 ;
      virtual ISurfTriMesh* CloneFacet( int nF) const = 0 ;
} ;

//-----------------------------------------------------------------------------
inline ISurfTriMesh* CreateSurfTriMesh( void)
               { return (static_cast<ISurfTriMesh*>( CreateGeoObj( SRF_TRIMESH))) ; }
inline ISurfTriMesh* CloneSurfTriMesh( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_TRIMESH)
                    return nullptr ;
                 return (static_cast<ISurfTriMesh*>(pGObj->Clone())) ; }
inline const ISurfTriMesh* GetSurfTriMesh( const IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_TRIMESH)
                    return nullptr ;
                 return (static_cast<const ISurfTriMesh*>(pGObj)) ; }
inline ISurfTriMesh* GetSurfTriMesh( IGeoObj* pGObj)
               { if ( pGObj == nullptr  ||  pGObj->GetType() != SRF_TRIMESH)
                    return nullptr ;
                 return (static_cast<ISurfTriMesh*>(pGObj)) ; }