DtWeatherSurfaceGrid.h

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/****************************************************************************** 
** Copyright (c) 2022 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 


#pragma once

#include <vrvUtil/DtVirtualBaseClass.h>

#include <vrvOsg/vrvOsg.h>

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


namespace makVrv
{
   class DtIntersector;

   class DT_DLL_VRVOSG DtWeatherSurfaceGrid : public DtVirtualBaseClass
   {
   public:

      DtWeatherSurfaceGrid(makVrv::DtDe& de);

      virtual ~DtWeatherSurfaceGrid();

   private:

      DtWeatherSurfaceGrid() = delete;

      DtWeatherSurfaceGrid(const DtWeatherSurfaceGrid &other) = delete;

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

   public:

      virtual void setBounds(float boundsX, float boundsY);

      virtual void setGridSize(int sizeX, int sizeY);

      virtual void setTransform(const osg::Vec3d& position, osg::Matrixd& rotation);

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

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

      virtual void getPosition(int gridX, int gridY, osg::Vec3d& position);

      virtual double clampDistance() const;

      virtual bool clampPositionToTerrain(osg::Vec3d& position, float clampDistance);

      virtual bool simulationUpdate(float timeStep);

      virtual void onAreaChanged();

      virtual float minClampOffset() const;

      virtual float maxClampOffset() const;

      virtual void computeBlendingData(float maxDiffPerMeter);

   protected:

      virtual unsigned int packData(float height, float blend);

   protected:
      
      DtDe& myDe;

      int myClampIndex;
      float myMinClampOffset;
      float myMaxClampOffset;

      osg::Vec3d myPosition;
      osg::Matrixd myRotation;

      float myBoundsX;
      float myBoundsY;

      int myPointCountX;
      int myPointCountY;
      float* myHeights;
      unsigned int* myPackedData;

      DtIntersector* myIntersector = nullptr;
   };

}