DtCellToIndirectGeoMap.h

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/******************************************************************************
** Copyright (c) 2017 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgThreadingUtils.h>
#include <vrvOsg/DtIndirectGeoComputeBoundCallback.h>

#include <boost/unordered_map.hpp>


namespace osg
{
   class Group;
   class Node;
}

namespace makVrv
{
   class DtDe;
   class DtCellIndirectGeo;
   class DtIndirectGeometryRegistrar;
   class DtIndirectGeometryCreator;
   class DtIndirectGeoIntersectionGroupCreator;

   class DT_DLL_VRVOSG DtCellToIndirectGeoMap
   {
   public:
      DtCellToIndirectGeoMap(DtDe& de);
      virtual ~DtCellToIndirectGeoMap();

      virtual DtCellIndirectGeo* getOrCreateEntry(const osg::Node* node, DtIndirectGeometryRegistrar* registrar, bool& created);

      virtual void keyNodeGettingDeleted(const osg::Node* node);
   protected:
      virtual DtCellIndirectGeo* getEntry(const osg::Node* node);
      virtual DtCellIndirectGeo* createEntry(const osg::Node* node, DtIndirectGeometryRegistrar* registrar);
      virtual void deleteEntries();
   protected:
      Threading::Mutex myMutex;
      typedef boost::unordered_map<const osg::Node*, DtCellIndirectGeo*> KeyToEntryTypeMap;
      KeyToEntryTypeMap myKeyToEntryTypeMap;

      DtDe& myDe;

      DtIndirectGeometryCreator &myIndirectGeomCreator;
      DtIndirectGeoComputeBoundCallbackCreator<DtCellIndirectGeo> &myIndirectGeoComputeBoundCallbackCreator;
      DtIndirectGeoIntersectionGroupCreator &myIndirectGeoIntersectGroupCreator;

   private:
      DtCellToIndirectGeoMap();
   };
}