DtWeatherAreaBlowingSand.h

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


#pragma once


#include <vrvCore/DtDe.h>
#include <vrvCore/DtTerrainPatchObject.h>

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtWeatherArea.h>

#include <matrix/vlVector.h>

#include <osg/Matrixd>
#include <osg/Vec3d>
#include <osg/Vec4d>


namespace makVrv
{
   // Forward declarations
   class DtWeatherSurfaceGrid;


   class DT_DLL_VRVOSG DtWeatherAreaBlowingSand : public DtWeatherArea
   {
      friend class DtWeatherAreaFactory;

   public:

      virtual ~DtWeatherAreaBlowingSand();

      DtWeatherAreaBlowingSand() = delete;

      DtWeatherAreaBlowingSand(const DtWeatherAreaBlowingSand &other) = delete;

      DtWeatherAreaBlowingSand &operator=(const DtWeatherAreaBlowingSand &other) = delete;

   protected:

      DtWeatherAreaBlowingSand(makVrv::DtDe& de);

   public:

      virtual void setEnabled(bool enabled);

      virtual void setBounds(const DtVector& bounds, float cornerRadius);

      virtual void setTransform(const DtVector& position, float orientation, bool relativeToCamera = false);

      virtual const float* heights(int& sizeX, int& sizeY) const;

      virtual const unsigned int* packedData(int& sizeX, int& sizeY) const;

      virtual void cullUpdate(const osg::Vec3d& camPos, const osg::Matrixd& viewMatrixI,
         const std::vector<osg::Vec4d>& cullingPlanes, DtJobSplitter* jobSplitter);

      bool usesWeatherLayerType(DtWeatherLayer::LayerType layerType) const;

   protected:

      virtual void slot_terrainDataChanged(DtTerrainPatchObject& tpo);

      virtual void slot_simulationUpdate();

      virtual void onAreaChanged();

   protected:
      
      DtDe& myDe;

      bool mySimulationUpdate;
      bool myTransformDirty; // handles relative to camera update
      float myTerrainDirtyTimer;  // handles valid terrain check update
      double myLastTime;

      DtWeatherSurfaceGrid* myWeatherSurfaceGrid;
      bool myHeightMapRegistered;
   };

}