//----------------------------------------------------------------------------
//  EgalTech 2013-2014
//----------------------------------------------------------------------------
// File : GraExecutor.cpp        Data : 15.04.14          Versione : 1.5d4
// Contenuto : Implementazione della classe GraExecutor.
//
//
//
// Modifiche : 18.02.14 DS Creazione modulo.
//             15.04.14 DS Agg. ExecuteShowMode.
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "SceExecutor.h"
#include "DllMain.h"
#include "/EgtDev/Include/EGnStringUtils.h"
#include "/EgtDev/Include/EGrScene.h"

using namespace std ;

//----------------------------------------------------------------------------
ISceExecutor*
CreateSceExecutor( void)
{
   return static_cast<ISceExecutor*> ( new( nothrow) SceExecutor) ;
}

//----------------------------------------------------------------------------
SceExecutor::SceExecutor( void)
{
   m_pScene = nullptr ;
   m_pParser = nullptr ;
  // assegno chiavi a funzioni di esecuzione
   m_ExecMgr.Init( 16) ;
   m_ExecMgr.Insert( "RD", &SceExecutor::ExecuteRedraw) ;
   m_ExecMgr.Insert( "REDRAW", &SceExecutor::ExecuteRedraw) ;
   m_ExecMgr.Insert( "ZM", &SceExecutor::ExecuteZoom) ;
   m_ExecMgr.Insert( "ZOOM", &SceExecutor::ExecuteZoom) ;
   m_ExecMgr.Insert( "CENTER", &SceExecutor::ExecuteCenter) ;
   m_ExecMgr.Insert( "CAMERA", &SceExecutor::ExecuteCamera) ;
   m_ExecMgr.Insert( "SM", &SceExecutor::ExecuteShowMode) ;
   m_ExecMgr.Insert( "SHOWMODE", &SceExecutor::ExecuteShowMode) ;
}

//----------------------------------------------------------------------------
SceExecutor::~SceExecutor( void)
{
}

//----------------------------------------------------------------------------
bool
SceExecutor::SetScene( IEGrScene* pScene) 
{
   m_pScene = pScene ;

   return ( m_pScene != nullptr) ; 
}

//----------------------------------------------------------------------------
bool
SceExecutor::SetCmdParser( ICmdParser* pParser)
{
   m_pParser = pParser ;
   return ( m_pParser != nullptr) ;
}

//----------------------------------------------------------------------------
int
SceExecutor::Execute( const string& sCmd1, const string& sCmd2, const STRVECTOR& vsParams) 
{
  // verifico validità Scene
   if ( m_pScene == nullptr) {
      LOG_ERROR( GetEGrLogger(), "Error : null Scene in SceExecutor.")
      return ER_ERR ;
   }
  // verifico validità CmdParser
   if ( m_pParser == nullptr) {
      LOG_ERROR( GetEGrLogger(), "Error : null CmdParser in SceExecutor.")
      return ER_ERR ;
   }

  // esecuzione comando
   return m_ExecMgr.Execute( *this, sCmd1, sCmd2, vsParams) ;
}

//----------------------------------------------------------------------------
bool
SceExecutor::ExecuteRedraw( const string& sCmd2, const STRVECTOR& vsParams) 
{
   m_pScene->RedrawWindow() ;
   return true ;
}

//----------------------------------------------------------------------------
bool
SceExecutor::ExecuteZoom( const string& sCmd2, const STRVECTOR& vsParams) 
{
   const double COEFF_IN = 0.9 ;
   const double COEFF_OUT = 1 / COEFF_IN ;

   if ( sCmd2 == "ALL")
      m_pScene->ZoomAll() ;
   else if ( sCmd2 == "IN")
      m_pScene->ZoomChange( COEFF_IN) ;
   else if ( sCmd2 == "OUT")
      m_pScene->ZoomChange( COEFF_OUT) ;
   else if ( sCmd2 == "CHANGE") {
     // 1 parametro : fattore di zoom
      if ( vsParams.size() != 1)
         return false ;
     // fattore di zoom
      double nFactor ;
      if ( ! FromString( vsParams[0], nFactor))
         return false ;
     // eseguo
      m_pScene->ZoomChange( nFactor) ;
   }

   return true ;
}

//----------------------------------------------------------------------------
bool
SceExecutor::ExecuteCenter( const string& sCmd2, const STRVECTOR& vsParams) 
{
  // 3 parametri : le 3 coordinate
   if ( vsParams.size() != 3)
      return false ;
  // recupero le tre coordinate
   Point3d ptCen ;
   if ( ! FromString( vsParams[0], ptCen.x)  ||
        ! FromString( vsParams[1], ptCen.y)  ||
        ! FromString( vsParams[2], ptCen.z))
      return false ;
  // eseguo
   m_pScene->SetCenter( ptCen) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
SceExecutor::ExecuteCamera( const string& sCmd2, const STRVECTOR& vsParams) 
{
   if ( sCmd2 == "TOP")
      m_pScene->SetCamera( CT_TOP) ;
   else if ( sCmd2 == "FRONT")
      m_pScene->SetCamera( CT_FRONT) ;
   else if ( sCmd2 == "RIGHT")
      m_pScene->SetCamera( CT_RIGHT) ;
   else if ( sCmd2 == "BACK")
      m_pScene->SetCamera( CT_BACK) ;
   else if ( sCmd2 == "LEFT")
      m_pScene->SetCamera( CT_LEFT) ;
   else if ( sCmd2 == "BOTTOM")
      m_pScene->SetCamera( CT_BOTTOM) ;
   else if ( sCmd2 == "ISO_SW")
      m_pScene->SetCamera( CT_ISO_SW) ;
   else if ( sCmd2 == "ISO_SE")
      m_pScene->SetCamera( CT_ISO_SE) ;
   else if ( sCmd2 == "ISO_NE")
      m_pScene->SetCamera( CT_ISO_NE) ;
   else if ( sCmd2 == "ISO_NW")
      m_pScene->SetCamera( CT_ISO_NW) ;
   else if ( sCmd2.empty()  ||  sCmd2 == "GEN") {
     // 2 parametri : i 2 angoli
      if ( vsParams.size() != 2)
         return false ;
     // recupero i due angoli
      double dAngVertDeg ;
      double dAngOrizzDeg ;
      if ( ! FromString( vsParams[0], dAngVertDeg)  ||
           ! FromString( vsParams[1], dAngOrizzDeg))
         return false ;
     // eseguo
      m_pScene->SetCamera( dAngVertDeg, dAngOrizzDeg, 0) ;
   }
   else
      return false ;
   
   return true ;
}

//----------------------------------------------------------------------------
bool
SceExecutor::ExecuteShowMode( const string& sCmd2, const STRVECTOR& vsParams)
{
   if ( sCmd2 == "WF"  ||  sCmd2 == "WIREFRTAME")
      m_pScene->SetShowMode( SM_WIREFRAME) ;
   else if ( sCmd2 == "HL"  ||  sCmd2 == "HIDDENLINE")
      m_pScene->SetShowMode( SM_HIDDENLINE) ;
   else if ( sCmd2 == "SH"  ||  sCmd2 == "SHADING")
      m_pScene->SetShowMode( SM_SHADING) ;
   else
      return false ;

   return true ;
}