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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.
*
*/
#include "illusions/illusions.h"
#include "illusions/threads/timerthread.h"
#include "illusions/input.h"
#include "illusions/time.h"
namespace Illusions {
// TimerThread
TimerThread::TimerThread(IllusionsEngine *vm, uint32 threadId, uint32 callingThreadId, uint notifyFlags,
uint32 duration, bool isAbortable)
: Thread(vm, threadId, callingThreadId, notifyFlags), _duration(duration), _isAbortable(isAbortable) {
_type = kTTTimerThread;
_startTime = getCurrentTime();
_endTime = _startTime + _duration;
if (callingThreadId) {
Thread *callingThread = _vm->_threads->findThread(callingThreadId);
if (callingThread)
_sceneId = callingThread->_sceneId;
}
}
int TimerThread::onUpdate() {
if (isTimerExpired(_startTime, _endTime) ||
(_isAbortable && _vm->_input->pollEvent(kEventAbort)))
return kTSTerminate;
return kTSYield;
}
void TimerThread::onSuspend() {
onPause();
}
void TimerThread::onNotify() {
onUnpause();
}
void TimerThread::onPause() {
_durationElapsed = getDurationElapsed(_startTime, _endTime);
}
void TimerThread::onUnpause() {
uint32 currTime = getCurrentTime();
_startTime = currTime;
if (_duration <= _durationElapsed)
_endTime = currTime;
else
_endTime = currTime + _duration - _durationElapsed;
_durationElapsed = 0;
}
void TimerThread::onResume() {
onNotify();
}
} // End of namespace Illusions
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