71 lines
1.8 KiB
C++
71 lines
1.8 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/system.h"
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#include "tot/chrono.h"
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#include "tot/tot.h"
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namespace Tot {
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ChronoManager::ChronoManager(/* args */) : _lastTick(0) {
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}
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ChronoManager::~ChronoManager() {
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}
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void ChronoManager::updateChrono() {
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uint32 currentTime = g_system->getMillis();
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if ((currentTime - _lastTick) >= static_cast<uint32>(kTickMs / _speedMultiplier)) {
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_gameTick = true;
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_tickCount++;
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if (_tickCount == kHalfTickMultiplier) {
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_tickCount = 0;
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_gameTickHalfSpeed = true;
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} else {
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_gameTickHalfSpeed = false;
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}
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_lastTick = currentTime;
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} else {
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_gameTick = false;
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}
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}
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void ChronoManager::changeSpeed() {
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if (_speedMultiplier == 1)
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_speedMultiplier = 4;
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else
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_speedMultiplier = 1;
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}
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void ChronoManager::delay(uint32 ms) {
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uint32 delayStart = g_system->getMillis();
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ms = ms / _speedMultiplier;
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while ((g_system->getMillis() - delayStart) < ms && !g_engine->shouldQuit()) {
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g_engine->_events->pollEvent();
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g_engine->_screen->update();
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}
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}
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} // End of namespace Tot
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