DtLightPointVisitor.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtIndirectSwitchManager.h>
#include <vrvOsg/DtOsgLightPointManager.h>
#include <vrvOsg/DtIndirectLodManager.h>
#include <vrvOsg/DtIndirectDofManager.h>

#include <osgSim/LightPoint>
#include <osgSim/LightPointNode>

#include <osg/NodeVisitor>
#include <osg/observer_ptr>

#include <stack>

namespace osgSim
{
   class MultiSwitch;
   class DOFTransform;
}

namespace makVrv
{
   class DT_DLL_VRVOSG DtLightPointVisitor : public osg::NodeVisitor
   {

   public:

      DtLightPointVisitor();

      virtual ~DtLightPointVisitor();

      virtual void apply(osg::Node& node);

      virtual void apply(osgSim::LightPointNode& node);

      virtual void apply(DtLightPointNode& node);

      virtual void apply(DtDynamicTerrainSwitchNode& node);

      virtual void apply(osg::Switch& node);

      virtual void apply(osgSim::MultiSwitch& node);

      virtual void apply(osg::LOD& node);

      virtual void apply(osg::Sequence& node);

      virtual void apply(osg::MatrixTransform& matTrans);

      virtual void apply(osgSim::DOFTransform& node);

      virtual const DtLightPointNodeAndXformVector& foundLightPoints() const;

   protected:

      virtual void addLightPoints(const LightPointNodeObs& node);

      template <typename T>
      void addToNodeStack(DtNodePointerStack& nodeStack, const T& nodeInfoStack);
   
   protected:
      std::stack<osg::Matrix> myMatrixStack;

      DtIndirectLodManager::DequeIndirectLodInfoPairs myLodStack;

      DtIndirectSwitchManager::DequeNodeSwitchInfoPairs mySwitchStack;

      DtIndirectDofManager::DequeNodeDofInfoPairs myDofStack;

      int myCurrentParentId;
      int myMaxDofId;

      DtLightPointNodeAndXformVector myLightPoints;
   };

} // namespace makVrv