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// ************************************************************************* //
//                            avtLBMFileFormat.h                           //
// ************************************************************************* //

#ifndef AVT_LBM_FILE_FORMAT_H
#define AVT_LBM_FILE_FORMAT_H

#include <vtkObjectBase.h>

#include <avtMTMDFileFormat.h>

#include <vector>
#include <map>
#include "IO/MeshDatabase.h"



// ****************************************************************************
//  Class: avtLBMFileFormat
//
//  Purpose:
//      Reads in LBM files as a plugin to VisIt.
//
//  Programmer: mbt -- generated by xml2avt
//  Creation:   Wed Jul 9 10:59:08 PDT 2014
//
// ****************************************************************************

class avtLBMFileFormat : public avtMTMDFileFormat
{
  public:
                       avtLBMFileFormat(const char *);
    virtual           ~avtLBMFileFormat() {;};

    //
    // This is used to return unconvention data -- ranging from material
    // information to information about block connectivity.
    //
    // virtual void      *GetAuxiliaryData(const char *var, int timestep, 
    //                                     int domain, const char *type, void *args, 
    //                                     DestructorFunction &);
    //

    //
    // If you know the times and cycle numbers, overload this function.
    // Otherwise, VisIt will make up some reasonable ones for you.
    //
    // virtual void        GetCycles(std::vector<int> &);
    // virtual void        GetTimes(std::vector<double> &);
    //

    virtual int            GetNTimesteps(void);

    virtual const char    *GetType(void)   { return "LBM"; };
    virtual void           FreeUpResources(void); 

    virtual vtkDataSet    *GetMesh(int, int, const char *);
    virtual vtkDataArray  *GetVar(int, int, const char *);
    virtual vtkDataArray  *GetVectorVar(int, int, const char *);

  protected:

    // Populate the databes
    virtual void PopulateDatabaseMetaData(avtDatabaseMetaData*, int);

    // Helper typedefs
    typedef std::pair<std::string,int> mesh_key;
    
    // DATA MEMBERS
    std::string                                 d_path;
    std::vector<std::string>                    d_timesteps;
    std::vector<std::vector<IO::MeshDatabase> > d_database;
    std::map<std::string,vtkObjectBase*>        d_meshcache;
};


#endif