mirror of https://github.com/OpenTTD/OpenTTD.git
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file timer_game_tick.cpp
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* This file implements the timer logic for the tick-based game-timer.
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*/
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#include "../stdafx.h"
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#include "timer.h"
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#include "timer_game_tick.h"
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#include "../safeguards.h"
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TimerGameTick::TickCounter TimerGameTick::counter = 0;
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template<>
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void IntervalTimer<TimerGameTick>::Elapsed(TimerGameTick::TElapsed delta)
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{
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if (this->period.value == 0) return;
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this->storage.elapsed += delta;
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uint count = 0;
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while (this->storage.elapsed >= this->period.value) {
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this->storage.elapsed -= this->period.value;
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count++;
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}
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if (count > 0) {
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this->callback(count);
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}
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}
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template<>
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void TimeoutTimer<TimerGameTick>::Elapsed(TimerGameTick::TElapsed delta)
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{
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if (this->fired) return;
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if (this->period.value == 0) return;
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this->storage.elapsed += delta;
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if (this->storage.elapsed >= this->period.value) {
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this->callback();
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this->fired = true;
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}
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}
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template<>
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bool TimerManager<TimerGameTick>::Elapsed(TimerGameTick::TElapsed delta)
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{
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TimerGameTick::counter++;
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for (auto timer : TimerManager<TimerGameTick>::GetTimers()) {
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timer->Elapsed(delta);
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}
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return true;
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}
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#ifdef WITH_ASSERT
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template<>
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void TimerManager<TimerGameTick>::Validate(TimerGameTick::TPeriod period)
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{
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if (period.priority == TimerGameTick::Priority::NONE) return;
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/* Validate we didn't make a developer error and scheduled more than one
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* entry on the same priority. There can only be one timer on
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* a specific priority, to ensure we are deterministic, and to avoid
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* container sort order invariant issues with timer period saveload. */
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for (const auto &timer : TimerManager<TimerGameTick>::GetTimers()) {
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assert(timer->period.priority != period.priority);
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}
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}
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#endif /* WITH_ASSERT */
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