DtProjected2DLineEffect.h

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/******************************************************************************
** Copyright (c) 2010 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile:  $ $Revision:  $ $State:  $
******************************************************************************/


#pragma once

#include <vrvGraphics/Dt2DEffect.h>

namespace makVrv
{
   class DT_DLL_VRVGRAPHICS DtProjected2DLineEffect : public Dt2DEffect
   {
   public:

      DtProjected2DLineEffect();

      virtual ~DtProjected2DLineEffect();

      virtual void setCamera(bool geocentric, float geocentricAlpha,
         const double position[3]
       , const double positionMatrix[16]
       , const double projectionMatrix[16]);

      //Set the number of groups.
      virtual void setGroupCount(unsigned int count);

      virtual void setVertexAttribPointers(size_t stride
         , const VertexAttribPtrInfo& positionAddress
         , const VertexAttribPtrInfo& colorAddress
         , const VertexAttribPtrInfo& offsetAddress
         , const VertexAttribPtrInfo& directionAndLengthAddress);

      virtual void unsetVertexAttribPointers();
   protected:

      virtual void updateUniformLocations();
      virtual void updateUniforms();
      virtual void initializeShaderSource( void );

   protected:   
      int myUniform_CameraPos;   
      int myUniform_CameraMat;
      int myUniform_ProjectionMat;
      int myUniform_GroupCount;
      int myUniform_Sphere;
      int myUniform_OccludedAlpha;


      unsigned int myUnit;
      unsigned int myGroupCount;
      double myCameraPos[3];
      double myMatrix[16];
      double myProjectionMatrix[16];
      bool myGeocentricFlag;
      float myGeocentricAlpha;

      void updateOtherUniforms(void);
   };


   class DT_DLL_VRVGRAPHICS DtProjected2DLineEffectCreator : public DtEffectCreator
   {
   public:

      virtual DtEffect* create(CreateParameters* params = 0)
      {
         return new DtProjected2DLineEffect();
      }
   };
}