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EventRecorder.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-2-0/common/EventRecorder.h $
 * $Id: EventRecorder.h 48279 2010-03-18 15:07:11Z fingolfin $
 *
 */

#ifndef COMMON_EVENTRECORDER_H
#define COMMON_EVENTRECORDER_H

#include "common/scummsys.h"
#include "common/events.h"
#include "common/singleton.h"
#include "common/savefile.h"
#include "common/mutex.h"
#include "common/array.h"

#define g_eventRec (Common::EventRecorder::instance())

namespace Common {

class RandomSource;

/**
 * Our generic event recorder.
 *
 * TODO: Add more documentation.
 */
00047 class EventRecorder : private EventSource, private EventObserver, public Singleton<EventRecorder> {
      friend class Common::Singleton<SingletonBaseType>;
      EventRecorder();
      ~EventRecorder();
public:
      void init();
      void deinit();

      /** Register random source so it can be serialized in game test purposes */
      void registerRandomSource(Common::RandomSource &rnd, const char *name);

      /** TODO: Add documentation, this is only used by the backend */
      void processMillis(uint32 &millis);

private:
      bool notifyEvent(const Common::Event &ev);
      bool pollEvent(Common::Event &ev);
00064       bool allowMapping() const { return false; }

      class RandomSourceRecord {
      public:
            Common::String name;
            uint32 seed;
      };
      Common::Array<RandomSourceRecord> _randomSourceRecords;

      bool _recordSubtitles;
      volatile uint32 _recordCount;
      volatile uint32 _lastRecordEvent;
      volatile uint32 _recordTimeCount;
      Common::OutSaveFile *_recordFile;
      Common::OutSaveFile *_recordTimeFile;
      Common::MutexRef _timeMutex;
      Common::MutexRef _recorderMutex;
      volatile uint32 _lastMillis;

      volatile uint32 _playbackCount;
      volatile uint32 _playbackDiff;
      volatile bool _hasPlaybackEvent;
      volatile uint32 _playbackTimeCount;
      Common::Event _playbackEvent;
      Common::InSaveFile *_playbackFile;
      Common::InSaveFile *_playbackTimeFile;

      volatile uint32 _eventCount;
      volatile uint32 _lastEventCount;

      enum RecordMode {
            kPassthrough = 0,
            kRecorderRecord = 1,
            kRecorderPlayback = 2
      };
      volatile RecordMode _recordMode;
      Common::String _recordFileName;
      Common::String _recordTempFileName;
      Common::String _recordTimeFileName;
};

} // End of namespace Common

#endif


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