// Filename: recorderFrame.h
// Created by:  drose (28Jan04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////

#ifndef RECORDERFRAME_H
#define RECORDERFRAME_H

#include "pandabase.h"
#include "recorderBase.h"
#include "typedWritable.h"
#include "recorderTable.h"
#include "datagram.h"

class BamWriter;
class BamReader;
class FactoryParams;

////////////////////////////////////////////////////////////////////
//       Class : RecorderFrame
// Description : This object represents one frame of data in the
//               recorded session file.  One of these is repeatedly
//               created and destructed in recording and playback,
//               respectively.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA RecorderFrame : public TypedWritable {
public:
  INLINE RecorderFrame();
  INLINE RecorderFrame(double timestamp, int frame,
                       bool table_changed, RecorderTable *table);
  INLINE ~RecorderFrame();

  void play_frame(BamReader *manager);

  double _timestamp;
  int _frame;
  bool _table_changed;
  RecorderTable *_table;

  Datagram _data;
  size_t _data_pos;

private:
  RecorderTable _local_table;

public:
  static void register_with_read_factory();
  virtual void write_datagram(BamWriter *manager, Datagram &dg);
  virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
  
protected:
  static TypedWritable *make_from_bam(const FactoryParams &params);
  void fillin(DatagramIterator &scan, BamReader *manager);
  
public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    TypedWritable::init_type();
    register_type(_type_handle, "RecorderFrame",
                  TypedWritable::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;
};

#include "recorderFrame.I"

#endif

