DtNightTextureController.h

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/*****************************************************************************
 * Copyright (c) 2012 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvOsg/DtOsgEffectTextureController.h>
#include <vrvOsg/DtEffectControllerFactory.h>

#include <osg/Vec4>
#include <osg/StateSet>
#include <osg/Texture>

#include <string>

//There are two different night texture options.
// NTE which runs before the lighting and just replaces the diffuse texture
// NGT which runs after everything else and replaces the final color at night
// NGT is the original that ST asked for NTE was added afterwards to fix a few issues
namespace makVrv
{
   class DT_DLL_VRVOSG DtPreLitNightTextureControllerCreator : public DtEffectControllerCreator
   {
   public:
      virtual DtOsgEffectTextureController* create(const DtOsgFileCache& fileCache);
   };

   class DT_DLL_VRVOSG DtPostLitNightTextureControllerCreator : public DtEffectControllerCreator
   {
   public:
      virtual DtOsgEffectTextureController* create(const DtOsgFileCache& fileCache);
   };

   class DT_DLL_VRVOSG DtNightTextureController : public DtOsgEffectTextureController
   {
   public:
      DtNightTextureController(const DtOsgFileCache& fileCache, bool preLit);

      virtual ~DtNightTextureController();

   public: // DtOsgEffectTextureController interface

      std::string getEffectTypeCode() const;

      bool generateShaders(int baseUnit, int effectUnit, osg::Texture* tex, osg::StateSet* stateSet, const std::string& baseTextureName);

   private:

      //controls when the virutal program function runs.
      bool myIsPreLit;
   };

}