//----------------------------------------------------------------------------
//  EgalTech 2013-2013
//----------------------------------------------------------------------------
// File : GdbGroup.cpp         Data : 28.11.13          Versione : 1.4a2
// Contenuto : Implementazione della classe GdbGroup.
//
//
//
// Modifiche : 28.11.13 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "\EgtDev\Include\EGnStringUtils.h"
#include "GdbGroup.h"
#include "IdManager.h"


using namespace std ;

//----------------------------------------------------------------------------
GdbGroup::GdbGroup( void)
   : m_nNodeCount( 0), m_pFirstNode( nullptr), m_pLastNode( nullptr)
{
}

//----------------------------------------------------------------------------
GdbGroup::~GdbGroup( void)
{
   Clear() ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Clear( void)
{
   GdbNode* pNode ;


  // disalloco gli oggetti
   pNode = GetFirstNode() ;
   while ( pNode != nullptr) {
     // lo rimuovo dalla lista
      pNode->Remove() ;
     // lo disalloco
      delete pNode ;
     // passo al nuovo primo
      pNode = GetFirstNode() ;
   }

   return true ;
}

//----------------------------------------------------------------------------
GdbGroup*
GdbGroup::Clone( int nId, IdManager& IdMgr) const
{
   GdbGroup* pGdbGroup ;
   const GdbNode* pNode ;
   GdbNode* pNewNode ;


  // alloco gruppo Gdb
   pGdbGroup = new(nothrow) GdbGroup ;
   if ( pGdbGroup == nullptr)
      return nullptr ; 

  // copio dati oggetto Gdb
   pGdbGroup->m_nId = nId ;
   IdMgr.UpdateMaxId( nId) ;
   pGdbGroup->m_gfrFrame = m_gfrFrame ;

  // clono  i nodi figli
   pNode = GetFirstNode() ;
   while ( pNode != nullptr) {
     // eseguo copia
      pNewNode = pNode->Clone( IdMgr.GetNewId(), IdMgr) ;
      if ( pNewNode == nullptr) {
         delete pGdbGroup ;
         return nullptr ;
      }
     // lo inserisco nella lista dei figli
      if ( ! pNewNode->AddTail( pGdbGroup)) {
         delete pNewNode ;
         delete pGdbGroup ;
         return nullptr ;
      }
     // lo inserisco nella mappa dei nomi
      if ( ! IdMgr.AddNode( pNewNode->m_nId, pNewNode))
         return nullptr ;
     // passo al prossimo nodo
      pNode = pNode->GetNext() ;
   }

   return pGdbGroup ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Save( std::ostream& osOut) const
{
   bool bOk = true ;

  // tipo entità
   osOut << GetKey() << endl ;
  // identificativi
   osOut << m_nId << "@" << GetParentId() << endl ;
  // dati del riferimento
   m_gfrFrame.Save( osOut) ;

  // lancio il salvataggio dei figli
   const GdbNode* pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      if ( ! pGdbNode->Save( osOut))
         bOk = false ;
      pGdbNode = pGdbNode->GetNext() ;
   }

   return bOk ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Load( const string& sType, Scanner& TheScanner, int& nParentId)
{
   string    sLine ;
   STRVECTOR vsParams ;


  // leggo la prossima linea
   if ( ! TheScanner.GetLine( sLine))
      return false ;
  // la divido in parametri
   Tokenize( sLine, "@", vsParams) ;
  // 2 parametri : Id e ParentId
   if ( vsParams.size() != 2)
      return false ;
  // assegno l'identificativo
   if ( ! FromString( vsParams[0], m_nId))
      return false ;
  // assegno l'Id del padre
   if ( ! FromString( vsParams[1], nParentId))
      return false ;
  // leggo i dati del riferimento
   m_gfrFrame.Load( TheScanner) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::GetLocalBBox( BBox3d& b3Loc) const
{
   b3Loc.Reset() ;
   const GdbNode* pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      BBox3d b3B ;
     // voglio il box come appare nel frame del gruppo, quindi passo frame identità
      if ( pGdbNode->GetBBox( GLOB_FRM, b3B))
         b3Loc.Add( b3B) ;
      pGdbNode = pGdbNode->GetNext() ;
   }
   return true ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::GetBBox( const Frame3d& frRef, BBox3d& b3Ref) const
{
   Frame3d frCurr = m_gfrFrame.m_frF * frRef ;
   b3Ref.Reset() ;
   const GdbNode* pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      BBox3d b3B ;
      if ( pGdbNode->GetBBox( frCurr, b3B))
         b3Ref.Add( b3B) ;
      pGdbNode = pGdbNode->GetNext() ;
   }
   return true ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Translate( const Vector3d& vtMove)
{
   return m_gfrFrame.Translate( vtMove) ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng)
{
   return m_gfrFrame.Rotate( ptAx, vtAx, dCosAng, dSinAng) ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Scale( const Frame3d& frRef, double dCoeffX, double dCoeffY, double dCoeffZ)
{
   GdbNode* pGdbNode ;


  // parziale scalatura del riferimento (non può essere completa)
   Frame3d frFrameS = m_gfrFrame.m_frF ;
   frFrameS.PseudoScale( frRef, dCoeffX, dCoeffY, dCoeffZ) ;

  // porto i nodi nel nuovo riferimento, senza modificarne la geometria in globale
   Frame3d frTrasf = m_gfrFrame.m_frF ;
   frTrasf.ToLoc( frFrameS) ;
   pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      pGdbNode->ToGlob( frTrasf) ;
      pGdbNode = pGdbNode->GetNext() ;
   }

  // assegno il nuovo riferimento
   m_gfrFrame.m_frF = frFrameS ;

  // porto il riferimento di scalatura nel riferimento del gruppo
   Frame3d frRefLoc = frRef ;
   frRefLoc.ToLoc( m_gfrFrame.m_frF) ;

  // ciclo sui nodi
   bool bOk = true ;
   pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      if ( ! pGdbNode->Scale( frRefLoc, dCoeffX, dCoeffY, dCoeffZ))
         bOk = false ;
      pGdbNode = pGdbNode->GetNext() ;
   }

   return bOk ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::Mirror( const Point3d& ptOn, const Vector3d& vtNorm)
{
   GdbNode* pGdbNode ;


  // parziale mirror del riferimento (non può essere completa)
   Frame3d frFrameS = m_gfrFrame.m_frF ;
   frFrameS.PseudoMirror( ptOn, vtNorm) ;

  // porto i nodi nel nuovo riferimento, senza modificarne la geometria in globale
   Frame3d frTrasf = m_gfrFrame.m_frF ;
   frTrasf.ToLoc( frFrameS) ;
   pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      pGdbNode->ToGlob( frTrasf) ;
      pGdbNode = pGdbNode->GetNext() ;
   }

  // assegno il nuovo riferimento
   m_gfrFrame.m_frF = frFrameS ;

  // porto i dati del piano di mirror nel riferimento del gruppo 
   Point3d ptOnLoc = ptOn ;
   ptOnLoc.ToLoc( m_gfrFrame.m_frF) ;
   Vector3d vtNormLoc = vtNorm ;
   vtNormLoc.ToLoc( m_gfrFrame.m_frF) ;

  // ciclo sui nodi
   bool bOk = true ;
   pGdbNode = GetFirstNode() ;
   while ( pGdbNode != nullptr) {
      if ( ! pGdbNode->Mirror( ptOnLoc, vtNormLoc))
         bOk = false ;
      pGdbNode = pGdbNode->GetNext() ;
   }

   return bOk ;
}

//----------------------------------------------------------------------------
bool
GdbGroup::GetGlobFrame( Frame3d& frGlob)
{
   GdbGroup* pParent ;


  // assegno il proprio frame
   frGlob = m_gfrFrame.m_frF ;   

  // mentre ci sono padri
   pParent = GetParent() ;
   while ( pParent != nullptr) {
     // porto il riferimento corrente sopra il padre
      frGlob.ToGlob( pParent->m_gfrFrame.m_frF) ;
     // passo al successivo
      pParent = pParent->GetParent() ;
   }

   return true ;
}