DtSwitchTerrainFeature.h

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

#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtDynamicTerrainSwitchNode.h>
#include <vrvUtil/DtDynamicTerrainFeature.h>

#include <tbb/spin_mutex.h>

namespace makVrv
{
   class DtDynamicTerrainGeometry;
   class DtDynamicTerrainChange;
   class DtDynamicTerrainSwitch;

   class DT_DLL_VRVOSG DtSwitchTerrainFeature : public DtDynamicTerrainFeature
   {
   public:
      explicit DtSwitchTerrainFeature(
         DtDynamicTerrainSwitch* switcher,
         const DtString& stateName,
         const DtDynamicTerrainSwitchNode::ValueChildMap& valueChildMap,
         const osg::BoundingSphere& sphere,
         const boost::shared_ptr<DtDynamicTerrainFeature>& parent);

      virtual DtString description() const;

      virtual const DtDynamicTerrainFeature* parentFeature() const;

      virtual void iterateCommands( const boost::function<void (const DtDynamicTerrainChange&)>& callback,
         const DtString& key) const;

      virtual const DtDynamicTerrainGeometry* geometry() const;
      virtual const DtDynamicTerrainGeometry* originalGeometry() const;

      // Note that the second argument, useOriginalGeometry is ignored; myGeometry is
      // always used to match, which is the switch location and 0 radius
      virtual bool matches(const DtDynamicTerrainChange& command, bool) const;
      virtual bool matches(const DtDynamicTerrainGeometry&, bool ) const;

      virtual void changeState(const DtDynamicTerrainChanges& changes);

      virtual bool stringValueToState( const DtString& valueName, int &state ) const;

      virtual void setState(const DtDynamicTerrainChange* command);

      virtual bool isInDefaultState() const;
      virtual bool lastStateWasDefaultState() const;

   protected:
      const boost::scoped_ptr<DtDynamicTerrainGeometry> myGeometry;
      const boost::scoped_ptr<DtDynamicTerrainGeometry> myOriginalGeometry;
      const boost::shared_ptr<DtDynamicTerrainFeature> myParentFeature;
      const DtString myStateName;
      const DtDynamicTerrainSwitchNode::ValueChildMap myValueToChildMap;

      typedef tbb::spin_mutex Mutex;
      mutable Mutex myMutex;

      boost::scoped_ptr<DtDynamicTerrainSwitch> mySwitcher;
   };
}