DtReadFileCallback.h

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/******************************************************************************
** Copyright (c) 2018 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <osgDB/Registry>

#include <string>

namespace makVrv
{
   class DtOsgFileCache;

   class DtReadFileCallback : public osgDB::Registry::ReadFileCallback
   {
   public:
      DtReadFileCallback(DtOsgFileCache* cache);

      virtual ~DtReadFileCallback();

      virtual osgDB::ReaderWriter::ReadResult openArchive(
         const std::string& filename, osgDB::ReaderWriter::ArchiveStatus status,
         unsigned int indexBlockSizeHint,
         const osgDB::ReaderWriter::Options* useObjectCache);

      virtual osgDB::ReaderWriter::ReadResult readObject(
         const std::string& filename, const osgDB::ReaderWriter::Options* options);

      virtual osgDB::ReaderWriter::ReadResult readImage(
         const std::string& filename, const osgDB::ReaderWriter::Options* options);

      virtual osgDB::ReaderWriter::ReadResult readHeightField(
         const std::string& filename, const osgDB::ReaderWriter::Options* options);

      virtual osgDB::ReaderWriter::ReadResult readNode(
         const std::string& filename, const osgDB::ReaderWriter::Options* options);

      virtual osgDB::ReaderWriter::ReadResult readShader(
         const std::string& filename, const osgDB::ReaderWriter::Options* options);

   protected:

      DtOsgFileCache* myCache;
   };
}