DtCellIndirectGeo.h

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/******************************************************************************
** Copyright (c) 2018 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

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

#include <osg/Matrixd>
#include <osg/Group>


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

   class DT_DLL_VRVOSG DtCellIndirectGeo
   {
   public:
      DtCellIndirectGeo(DtDe& de,
         DtIndirectGeometryRegistrar* registrar,
         DtIndirectGeometryCreator &indirectGeomCreator,
         DtIndirectGeoComputeBoundCallbackCreator<DtCellIndirectGeo> &indirectGeoComputeBoundCallbackCreator,
         DtIndirectGeoIntersectionGroupCreator &indirectGeoIntersectGroupCreator);

      virtual ~DtCellIndirectGeo();

      virtual void addInstance(const osg::Matrixd& instanceXForm, int modelId, osg::Node* modelNode);

      virtual void setParent(const osg::Group* parent);

      virtual const osg::BoundingBoxd& boundingBox(void) const;

   protected:
      virtual void expandBoundingBox(osg::Node* modelNode, const osg::Matrixd& instanceXForm);
   protected:
      DtIndirectGeometryRegistrar* myIndirectGeometryRegistrar;

      osg::ref_ptr<DtIndirectGeometry> myIndirectGeometry;
      osg::ref_ptr<osg::Group> myIndirectGeoIntersectionGroup;

      osg::BoundingBoxd myBoundingBox;
      mutable Threading::Mutex myMutableBoundingBoxMutex;

      DtDe& myDe;
   private:
      DtCellIndirectGeo();
   };
}