DtOsgEffectTextureUnitStateAttribute.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <osg/StateAttribute>

#include <string>

namespace makVrv
{
   class DT_DLL_VRVOSG DtOsgEffectTextureUnitStateAttribute : public osg::StateAttribute
   {
   public:

      static const osg::StateAttribute::Type EffectTextureUnitStateAttributeType = (osg::StateAttribute::Type)2000;

      DtOsgEffectTextureUnitStateAttribute(unsigned int texCoordUnit = 0, const std::string& baseTextureName = "");

      ~DtOsgEffectTextureUnitStateAttribute();

      DtOsgEffectTextureUnitStateAttribute(const DtOsgEffectTextureUnitStateAttribute& stateAttrib, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);

      META_StateAttribute(osg, DtOsgEffectTextureUnitStateAttribute, EffectTextureUnitStateAttributeType);

   public:
      virtual bool isTextureAttribute() const;

      virtual int compare(const osg::StateAttribute& sa) const;

      virtual unsigned int texCoordUnit() const;

      virtual const std::string& baseTextureName() const;
   protected:
      unsigned int myTexCoordUnit;

      std::string myBaseTextureName;
   };
}