DtEffectControllerFactory.h

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/******************************************************************************* 
** Copyright (c) 2015 MAK Technologies, Inc. 
** All rights reserved. 
*******************************************************************************/ 


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <boost/unordered_map.hpp>
#include <string>
#include <vector>

namespace makVrv 
{ 

   class DtDe;
   class DtEffectControllerCreator;
   class DtOsgEffectTextureController;
   class DtOsgFileCache;
   class DtOsgShaderManager;

   class DT_DLL_VRVOSG DtEffectControllerCreator
   {
   public:
      DtEffectControllerCreator();
      virtual ~DtEffectControllerCreator();
      virtual DtOsgEffectTextureController* create(
         DtOsgFileCache& fileCache,
         DtOsgShaderManager& shaderMgr,
         DtDe& de) = 0;
   };

   class DT_DLL_VRVOSG DtEffectControllerFactory : public DtVirtualBaseClass
   {
   public:

      static DtEffectControllerFactory& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtEffectControllerFactory* anInstance);     

      virtual ~DtEffectControllerFactory();

      virtual void registerCreator(const std::string& name, DtEffectControllerCreator* creator);

      virtual DtOsgEffectTextureController* create(
         const std::string& name,
         DtOsgFileCache& fileCache,
         DtOsgShaderManager& shaderMgr) const;

      typedef std::vector<DtOsgEffectTextureController*> ControllerVec;

      virtual ControllerVec createAll(
         DtOsgFileCache& fileCache,
         DtOsgShaderManager& shaderMgr) const;

   protected:
      DtEffectControllerFactory(DtDe& de);

   protected:
      typedef boost::unordered_map<std::string, DtEffectControllerCreator*> RegistrationMap;

      DtDe& myDe;
      RegistrationMap myCreators;
   };
}