DtOsgShadowLocalSpaceTransform.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <osg/MatrixTransform>

namespace makVrv
{
   class DT_DLL_VRVOSG DtOsgShadowLocalSpaceTransform : public osg::MatrixTransform
   {
   public:
      DtOsgShadowLocalSpaceTransform();

      ~DtOsgShadowLocalSpaceTransform();

      DtOsgShadowLocalSpaceTransform(const DtOsgShadowLocalSpaceTransform& ob, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);

      virtual osg::Object* clone(const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY) const;

      virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix, osg::NodeVisitor* nv) const;

      virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix, osg::NodeVisitor* nv) const;

      // one pathway for particles, one for diguy instances
      virtual void setParticleMode(bool value);

   protected:

      // stored by the main camera for the shadow camera to use
      mutable osg::Vec3d myMutableCameraPosition;
      bool myParticleMode;
   };

};