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/* 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.
*
*/
#ifndef GUI_EVENTRECORDER_H
#define GUI_EVENTRECORDER_H
#include "common/system.h"
#include "common/events.h"
#include "common/savefile.h"
#include "common/singleton.h"
#include "engines/advancedDetector.h"
#ifdef ENABLE_EVENTRECORDER
#include "common/mutex.h"
#include "common/array.h"
#include "common/memstream.h"
#include "backends/keymapper/keymapper.h"
#include "backends/mixer/sdl/sdl-mixer.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "backends/timer/sdl/sdl-timer.h"
#include "common/config-manager.h"
#include "common/recorderfile.h"
#include "backends/saves/recorder/recorder-saves.h"
#include "backends/mixer/nullmixer/nullsdl-mixer.h"
#include "backends/saves/default/default-saves.h"
#define g_eventRec (GUI::EventRecorder::instance())
namespace GUI {
class OnScreenDialog;
}
namespace GUI {
class RandomSource;
class SeekableReadStream;
class WriteStream;
/**
* Our generic event recorder.
*
* TODO: Add more documentation.
*/
class EventRecorder : private Common::EventSource, public Common::Singleton<EventRecorder>, private Common::DefaultEventMapper {
friend class Common::Singleton<SingletonBaseType>;
EventRecorder();
~EventRecorder();
public:
/** Specify operation mode of Event Recorder */
enum RecordMode {
kPassthrough = 0, /**< kPassthrough, do nothing */
kRecorderRecord = 1, /**< kRecorderRecord, do the recording */
kRecorderPlayback = 2, /**< kRecorderPlayback, playback existing recording */
kRecorderPlaybackPause = 3 /**< kRecordetPlaybackPause, interal state when user pauses the playback */
};
void init(Common::String recordFileName, RecordMode mode);
void deinit();
bool processDelayMillis();
uint32 getRandomSeed(const Common::String &name);
void processMillis(uint32 &millis, bool skipRecord);
bool processAudio(uint32 &samples, bool paused);
void processGameDescription(const ADGameDescription *desc);
Common::SeekableReadStream *processSaveStream(const Common::String & fileName);
/** Hooks for intercepting into GUI processing, so required events could be shoot
* or filtered out */
void preDrawOverlayGui();
void postDrawOverlayGui();
/** Set recording author
*
* @see getAuthor
*/
void setAuthor(const Common::String &author) {
_author = author;
}
/** Set recording notes
*
* @see getNotes
*/
void setNotes(const Common::String &desc){
_desc = desc;
}
/** Set descriptive name of the recording
*
* @see getName
*/
void setName(const Common::String &name) {
_name = name;
}
/** Get recording author
*
* @see getAuthor
*/
const Common::String getAuthor() {
return _author;
}
/** Get recording notes
*
* @see setNotes
*/
const Common::String getNotes() {
return _desc;
}
/** Get recording name
*
* @see setName
*/
const Common::String getName() {
return _name;
}
void setRedraw(bool redraw) {
_needRedraw = redraw;
}
void registerMixerManager(SdlMixerManager *mixerManager);
void registerTimerManager(DefaultTimerManager *timerManager);
SdlMixerManager *getMixerManager();
DefaultTimerManager *getTimerManager();
void deleteRecord(const Common::String& fileName);
bool checkForContinueGame();
void suspendRecording() {
_savedState = _initialized;
_initialized = false;
}
void resumeRecording() {
_initialized = _savedState;
}
Common::StringArray listSaveFiles(const Common::String &pattern);
Common::String generateRecordFileName(const Common::String &target);
Common::SaveFileManager *getSaveManager(Common::SaveFileManager *realSaveManager);
SDL_Surface *getSurface(int width, int height);
void RegisterEventSource();
/** Retrieve game screenshot and compute its checksum for comparison */
bool grabScreenAndComputeMD5(Graphics::Surface &screen, uint8 md5[16]);
void updateSubsystems();
bool switchMode();
void switchFastMode();
private:
virtual Common::List<Common::Event> mapEvent(const Common::Event &ev, Common::EventSource *source);
bool notifyPoll();
bool pollEvent(Common::Event &ev);
bool _initialized;
volatile uint32 _fakeTimer;
bool _savedState;
bool _needcontinueGame;
int _temporarySlot;
Common::String _author;
Common::String _desc;
Common::String _name;
Common::SaveFileManager *_realSaveManager;
SdlMixerManager *_realMixerManager;
DefaultTimerManager *_timerManager;
RecorderSaveFileManager _fakeSaveManager;
NullSdlMixerManager *_fakeMixerManager;
GUI::OnScreenDialog *_controlPanel;
Common::RecorderEvent _nextEvent;
void setFileHeader();
void setGameMd5(const ADGameDescription *gameDesc);
void getConfig();
void getConfigFromDomain(const Common::ConfigManager::Domain *domain);
void removeDifferentEntriesInDomain(Common::ConfigManager::Domain *domain);
void applyPlaybackSettings();
void switchMixer();
void switchTimerManagers();
void togglePause();
void takeScreenshot();
bool openRecordFile(const Common::String &fileName);
bool checkGameHash(const ADGameDescription *desc);
void checkForKeyCode(const Common::Event &event);
bool allowMapping() const { return false; }
volatile uint32 _lastMillis;
uint32 _lastScreenshotTime;
uint32 _screenshotPeriod;
Common::PlaybackFile *_playbackFile;
void saveScreenShot();
void checkRecordedMD5();
void deleteTemporarySave();
volatile RecordMode _recordMode;
Common::String _recordFileName;
bool _fastPlayback;
bool _needRedraw;
};
} // End of namespace GUI
#endif // ENABLE_EVENTRECORDER
#endif
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