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https://github.com/libretro/scummvm.git
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68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/scummsys.h"
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#include "zvision/core/clock.h"
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#include "common/system.h"
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namespace ZVision {
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Clock::Clock(OSystem *system)
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: _system(system),
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_lastTime(system->getMillis()),
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_deltaTime(0),
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_pausedTime(0),
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_paused(false) {
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}
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void Clock::update() {
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uint32 currentTime = _system->getMillis();
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_deltaTime = (currentTime - _lastTime);
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if (_paused) {
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_deltaTime -= (currentTime - _pausedTime);
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}
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if (_deltaTime < 0) {
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_deltaTime = 0;
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}
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_lastTime = currentTime;
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}
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void Clock::start() {
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if (_paused) {
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_lastTime = _system->getMillis();
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_paused = false;
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}
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}
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void Clock::stop() {
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if (!_paused) {
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_pausedTime = _system->getMillis();
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_paused = true;
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}
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}
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} // End of namespace ZVision
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