DtMetaObjectFactory.h

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

 
#pragma once

#include <rapidjson/document.h>
#include <vrvOsg/vrvOsg.h>
#include <vrvUtil/DtVirtualBaseClass.h> 
#include <vrvCore/DtUniqueID.h>
#include <boost/unordered_map.hpp>
#include <osg/Node>

namespace makVrv 
{ 
    class DtMetaObjectCreator;

   class DT_DLL_VRVOSG DtMetaObjectFactory : public DtVirtualBaseClass
   {
   public:
      typedef boost::unordered_map<std::string, DtMetaObjectCreator*>
         DtMetaObjectCreators;

       static DtMetaObjectFactory& instance(DtDe& de);

       virtual ~DtMetaObjectFactory();

       virtual void addCreator( const std::string& creatorName, DtMetaObjectCreator* creator );

       virtual DtVirtualBaseClass* createMetaObject( 
           const std::string& metaFeatureName, osg::Node* node, 
           const rapidjson::Value& jsonObject, const std::string& modelDefName, 
           const DtElementID elementId, const DtUniqueID sceneObjectId,
           const DtUniqueID uniqueId, const bool useInstancing, 
           const unsigned int nodeTypeIndex) const;

       const DtMetaObjectCreators& creators() const;

   protected:
       DtMetaObjectFactory(DtDe& de);

   protected:

       DtMetaObjectCreators myDtMetaObjectCreators;

       DtDe& myDe;
   };
}