Panda3D
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recorderFrame.h
00001 // Filename: recorderFrame.h
00002 // Created by:  drose (28Jan04)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef RECORDERFRAME_H
00016 #define RECORDERFRAME_H
00017 
00018 #include "pandabase.h"
00019 #include "recorderBase.h"
00020 #include "typedWritable.h"
00021 #include "recorderTable.h"
00022 #include "datagram.h"
00023 
00024 class BamWriter;
00025 class BamReader;
00026 class FactoryParams;
00027 
00028 ////////////////////////////////////////////////////////////////////
00029 //       Class : RecorderFrame
00030 // Description : This object represents one frame of data in the
00031 //               recorded session file.  One of these is repeatedly
00032 //               created and destructed in recording and playback,
00033 //               respectively.
00034 ////////////////////////////////////////////////////////////////////
00035 class EXPCL_PANDA_RECORDER RecorderFrame : public TypedWritable {
00036 public:
00037   INLINE RecorderFrame();
00038   INLINE RecorderFrame(double timestamp, int frame,
00039                        bool table_changed, RecorderTable *table);
00040   INLINE ~RecorderFrame();
00041 
00042   void play_frame(BamReader *manager);
00043 
00044   double _timestamp;
00045   int _frame;
00046   bool _table_changed;
00047   RecorderTable *_table;
00048 
00049   Datagram _data;
00050   size_t _data_pos;
00051 
00052 private:
00053   RecorderTable _local_table;
00054 
00055 public:
00056   static void register_with_read_factory();
00057   virtual void write_datagram(BamWriter *manager, Datagram &dg);
00058   virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
00059   
00060 protected:
00061   static TypedWritable *make_from_bam(const FactoryParams &params);
00062   void fillin(DatagramIterator &scan, BamReader *manager);
00063   
00064 public:
00065   static TypeHandle get_class_type() {
00066     return _type_handle;
00067   }
00068   static void init_type() {
00069     TypedWritable::init_type();
00070     register_type(_type_handle, "RecorderFrame",
00071                   TypedWritable::get_class_type());
00072   }
00073   virtual TypeHandle get_type() const {
00074     return get_class_type();
00075   }
00076   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00077 
00078 private:
00079   static TypeHandle _type_handle;
00080 };
00081 
00082 #include "recorderFrame.I"
00083 
00084 #endif
00085 
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