DtLightData.h

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/****************************************************************************** 
** Copyright (c) 2014 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 

#pragma once

#include "DtGraphicsUtilsPreReqs.h"

#pragma warning( push )
#pragma warning( disable : 4251 )

#include "DtDataFormat.h"
#include "DtForwardDeclare.h"
FORWARD_DECLARE_DIFFERENT_SUFFIX(DtLight, Light)
#include "DtIntSize.h"

   namespace makVrv {

      struct DtLightDataStruct
      {
         float ambient[3];
         float diffuse[3];
         float specular[3];

         float position[3];
         float direction[3];

         float attenuation[3];
         float spotparams[3];

         float range;
         float type;

         float pack;

         static size_t GetSizeInFloats(void);
      };

      class DT_DLL_VRVGRAPHICSUTILS DtLightData
      {
      public:
         DtLightData(size_t maxLights);

         virtual ~DtLightData();

         size_t maxLights(void) const;
         size_t sizeInBytes(void) const;

         void packLights(const VectorLights& lights);
         void packLights(const VectorLights& lights, size_t total);

         float32* data(void);
      private:
         float32* mypData;
         size_t myMaxLights;

         void packLight(size_t offset, const DtLight* pLight);
      };

} //namespace makVrv

#pragma warning( pop )