GameTime.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#include "GameTime.h"
#include "Timer.h"
#include "Timezone.h"
#include "Util.h"
#include "WowTime.h"
 
namespace GameTime
{
 time_t const StartTime = time(nullptr);
 
 time_t GameTime = time(nullptr);
 uint32 GameMSTime = 0;
 
 SystemTimePoint GameTimeSystemPoint = SystemTimePoint::min();
 TimePoint GameTimeSteadyPoint = TimePoint::min();
 
 tm DateTime;
 
 WowTime UtcWow;
 WowTime Wow;
 
 time_t GetStartTime()
 {
 return StartTime;
 }
 
 time_t GetGameTime()
 {
 return GameTime;
 }
 
 uint32 GetGameTimeMS()
 {
 return GameMSTime;
 }
 
 SystemTimePoint GetSystemTime()
 {
 return GameTimeSystemPoint;
 }
 
 TimePoint Now()
 {
 return GameTimeSteadyPoint;
 }
 
 template<typename Clock>
 typename Clock::time_point GetTime()
 {
 static_assert(!std::is_same<Clock, Clock>::value, "Missing specialization for GetGameTimePoint");
 }
 
 template<>
 TC_GAME_API SystemTimePoint GetTime<std::chrono::system_clock>()
 {
 return GetSystemTime();
 }
 
 template<>
 TC_GAME_API TimePoint GetTime<std::chrono::steady_clock>()
 {
 return Now();
 }
 
 uint32 GetUptime()
 {
 return uint32(GameTime - StartTime);
 }
 
 tm const* GetDateAndTime()
 {
 return &DateTime;
 }
 
 WowTime const* GetUtcWowTime()
 {
 return &UtcWow;
 }
 
 WowTime const* GetWowTime()
 {
 return &Wow;
 }
 
 void UpdateGameTimers()
 {
 GameTime = time(nullptr);
 GameMSTime = getMSTime();
 GameTimeSystemPoint = std::chrono::system_clock::now();
 GameTimeSteadyPoint = std::chrono::steady_clock::now();
 localtime_r(&GameTime, &DateTime);
 UtcWow.SetUtcTimeFromUnixTime(GameTime);
 Wow = UtcWow + Trinity::Timezone::GetSystemZoneOffsetAt(GameTimeSystemPoint);
 }
}