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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.
*
* $URL$
* $Id$
*
*/
#ifndef KYRA_TIMER_H
#define KYRA_TIMER_H
#include "kyra/kyra_v1.h"
#include "common/list.h"
#include "common/stream.h"
#include "common/func.h"
namespace Kyra {
typedef Common::Functor1<int, void> TimerFunc;
struct TimerEntry {
uint8 id;
int32 countdown;
int8 enabled;
int32 lastUpdate;
uint32 nextRun;
TimerFunc *func;
uint32 pauseStartTime;
};
class TimerManager {
public:
TimerManager(KyraEngine_v1 *vm, OSystem *sys) : _vm(vm), _system(sys), _timers(), _nextRun(0), _isPaused(0), _pauseStart(0) {}
~TimerManager() { reset(); }
void pause(bool p);
void reset();
void addTimer(uint8 id, TimerFunc *func, int countdown, bool enabled);
int count() const { return _timers.size(); }
void update();
void resetNextRun();
void setCountdown(uint8 id, int32 countdown);
void setDelay(uint8 id, int32 countdown);
int32 getDelay(uint8 id) const;
void setNextRun(uint8 id, uint32 nextRun);
uint32 getNextRun(uint8 id) const;
void pauseSingleTimer(uint8 id, bool p);
bool isEnabled(uint8 id) const;
void enable(uint8 id);
void disable(uint8 id);
void loadDataFromFile(Common::SeekableReadStream &file, int version);
void saveDataToFile(Common::WriteStream &file) const;
private:
void resync();
KyraEngine_v1 *_vm;
OSystem *_system;
Common::List<TimerEntry> _timers;
uint32 _nextRun;
uint _isPaused;
uint32 _pauseStart;
typedef Common::List<TimerEntry>::iterator Iterator;
typedef Common::List<TimerEntry>::const_iterator CIterator;
};
class PauseTimer {
public:
PauseTimer(TimerManager &timer) : _timer(timer) { _timer.pause(true); }
~PauseTimer() { _timer.pause(false); }
private:
TimerManager &_timer;
};
} // end of namespace Kyra
#endif
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