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flightgear/src/Aircraft/replay.hxx
ThorstenB fdb64a02a8 Extended replay and flight recording system
Save/restore replay sessions.
Replay system message support, so recorded flights can be turned into
flight tutorials.
2012-11-10 21:26:08 +01:00

128 lines
3.7 KiB
C++

// replay.hxx - a system to record and replay FlightGear flights
//
// Written by Curtis Olson, started July 2003.
//
// Copyright (C) 2003 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _FG_REPLAY_HXX
#define _FG_REPLAY_HXX 1
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <simgear/compiler.h>
#include <simgear/math/sg_types.hxx>
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include <deque>
#include <vector>
class FGFlightRecorder;
typedef struct {
double sim_time;
char raw_data;
/* more data here, hidden to the outside world */
} FGReplayData;
typedef struct {
double sim_time;
std::string message;
std::string speaker;
} FGReplayMessages;
typedef std::deque < FGReplayData *> replay_list_type;
typedef std::vector < FGReplayMessages > replay_messages_type;
/**
* A recording/replay module for FlightGear flights
*
*/
class FGReplay : public SGSubsystem
{
public:
FGReplay ();
virtual ~FGReplay();
virtual void init();
virtual void reinit();
virtual void bind();
virtual void unbind();
virtual void update( double dt );
bool start(bool NewTape=false);
bool saveTape(const SGPropertyNode* ConfigData);
bool loadTape(const SGPropertyNode* ConfigData);
private:
void clear();
FGReplayData* record(double time);
void interpolate(double time, const replay_list_type &list);
void replay(double time, FGReplayData* pCurrentFrame, FGReplayData* pOldFrame=NULL);
void guiMessage(const char* message);
void loadMessages();
void fillRecycler();
bool replay( double time );
void replayMessage( double time );
double get_start_time();
double get_end_time();
bool listTapes(bool SameAircraftFilter, const SGPath& tapeDirectory);
bool saveTape(const char* Filename, SGPropertyNode* MetaData);
bool loadTape(const char* Filename, bool Preview, SGPropertyNode* UserData);
double sim_time;
double last_mt_time;
double last_lt_time;
double last_msg_time;
replay_messages_type::iterator current_msg;
int last_replay_state;
bool was_finished_already;
replay_list_type short_term;
replay_list_type medium_term;
replay_list_type long_term;
replay_list_type recycler;
replay_messages_type replay_messages;
SGPropertyNode_ptr disable_replay;
SGPropertyNode_ptr replay_master;
SGPropertyNode_ptr replay_time;
SGPropertyNode_ptr replay_time_str;
SGPropertyNode_ptr replay_looped;
SGPropertyNode_ptr speed_up;
double m_high_res_time; // default: 60 secs of high res data
double m_medium_res_time; // default: 10 mins of 1 fps data
double m_low_res_time; // default: 1 hr of 10 spf data
// short term sample rate is as every frame
double m_medium_sample_rate; // medium term sample rate (sec)
double m_long_sample_rate; // long term sample rate (sec)
FGFlightRecorder* m_pRecorder;
};
#endif // _FG_REPLAY_HXX