EgtInterface/GseContext.cpp

//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : GseContext.cpp           Data : 01.09.14        Versione : 1.5i1
// Contenuto : Gestione contesti GSE ( Geometria, Scena, Esecuzione).
//
//
//
// Modifiche : 01.09.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#include "stdafx.h"
#include "GseContext.h"

//----------------------------------------------------------------------------
static const int MAX_CTX = 10 ;
static bool       s_GseOn[MAX_CTX] = { false, false, false, false, false, false, false, false, false, false} ;
static GseContext s_GseCtx[MAX_CTX] ;

//----------------------------------------------------------------------------
int
CreateGseContext( void)
{
   for ( int i = 0 ; i < MAX_CTX ; ++ i) {
      if ( ! s_GseOn[i]) {
         s_GseCtx[i].Clear() ;
         s_GseOn[i] = true ;
         return ( i + 1) ;
      }
   }
   return 0 ;
}

//----------------------------------------------------------------------------
bool
DeleteGseContext( int nInd)
{
   if ( nInd < 1  ||  nInd > MAX_CTX)
      return false ;
   s_GseOn[nInd-1] = false ;
   s_GseCtx[nInd-1].Clear() ;
   return true ;
}

//----------------------------------------------------------------------------
bool
ClearAllGseContexts( void)
{
   for ( int i = 0 ; i < MAX_CTX ; ++ i) {
      s_GseOn[i] = false ;
      s_GseCtx[i].Clear() ;
   }
   return true ;
}

//----------------------------------------------------------------------------
GseContext*
GetGseContext( int nInd)
{
   if ( nInd < 1  ||  nInd > MAX_CTX  ||  ! s_GseOn[nInd-1])
      return nullptr ;
   return &(s_GseCtx[nInd-1]) ;
}