DtMultiViewData.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vector>

#include <osg/Matrix>
#include <osg/Vec3>

namespace makVrv
{
   class DT_DLL_VRVOSG DtMultiViewData
   {
   public:
      // ctor
      DtMultiViewData(unsigned int numViews);

      virtual ~DtMultiViewData();
   private:
      DtMultiViewData() = delete;

      DtMultiViewData(const DtMultiViewData& rhs) = delete;

      DtMultiViewData&  operator= (const DtMultiViewData& rhs) = delete;
   public:

      virtual const osg::Vec3& cullViewOffset() const;

      virtual void setCullViewOffset(const osg::Vec3& offset);

      virtual const osg::Matrix& projection(unsigned int index) const;

      virtual void setProjection(const osg::Matrix& projection, unsigned int index);

      virtual const osg::Vec3& viewOffset(unsigned int index) const;

      virtual void setViewOffset(const osg::Vec3& offset, unsigned int index);

      virtual osg::Camera* parentView();

      virtual void setParentView(osg::Camera* parent);

   protected:
      osg::Vec3 myCullViewOffset;

      std::vector<osg::Matrix> myProjections;

      std::vector<osg::Vec3> myViewOffsets;

      osg::Camera* myParentCamera;
   };
}