Introduce a separate class to control world date and time
Andrei Kortunov
5 years ago
parent
2eb9d4ad4e
commit
81805b7263
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#include "datetimemanager.hpp"
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#include "../mwbase/environment.hpp"
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#include "../mwbase/world.hpp"
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#include "esmstore.hpp"
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#include "globals.hpp"
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#include "timestamp.hpp"
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namespace
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{
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static int getDaysPerMonth(int month)
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{
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switch (month)
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{
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case 0: return 31;
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case 1: return 28;
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case 2: return 31;
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case 3: return 30;
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case 4: return 31;
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case 5: return 30;
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case 6: return 31;
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case 7: return 31;
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case 8: return 30;
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case 9: return 31;
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case 10: return 30;
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case 11: return 31;
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}
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throw std::runtime_error ("month out of range");
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}
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}
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namespace MWWorld
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{
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void DateTimeManager::setup(Globals& globalVariables)
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{
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mGameHour = globalVariables["gamehour"].getFloat();
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mDaysPassed = globalVariables["dayspassed"].getInteger();
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mDay = globalVariables["day"].getInteger();
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mMonth = globalVariables["month"].getInteger();
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mYear = globalVariables["year"].getInteger();
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mTimeScale = globalVariables["timescale"].getFloat();
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}
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void DateTimeManager::setHour(double hour)
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{
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if (hour < 0)
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hour = 0;
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int days = static_cast<int>(hour / 24);
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hour = std::fmod(hour, 24);
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mGameHour = static_cast<float>(hour);
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if (days > 0)
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setDay(days + mDay);
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}
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void DateTimeManager::setDay(int day)
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{
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if (day < 1)
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day = 1;
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int month = mMonth;
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while (true)
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{
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int days = getDaysPerMonth(month);
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if (day <= days)
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break;
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if (month < 11)
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{
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++month;
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}
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else
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{
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month = 0;
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mYear++;
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}
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day -= days;
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}
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mDay = day;
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mMonth = month;
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}
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TimeStamp DateTimeManager::getTimeStamp() const
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{
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return TimeStamp(mGameHour, mDaysPassed);
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}
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float DateTimeManager::getTimeScaleFactor() const
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{
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return mTimeScale;
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}
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ESM::EpochTimeStamp DateTimeManager::getEpochTimeStamp() const
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{
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ESM::EpochTimeStamp timeStamp;
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timeStamp.mGameHour = mGameHour;
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timeStamp.mDay = mDay;
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timeStamp.mMonth = mMonth;
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timeStamp.mYear = mYear;
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return timeStamp;
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}
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void DateTimeManager::setMonth(int month)
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{
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if (month < 0)
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month = 0;
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int years = month / 12;
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month = month % 12;
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int days = getDaysPerMonth(month);
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if (mDay > days)
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mDay = days;
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mMonth = month;
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if (years > 0)
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mYear += years;
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}
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void DateTimeManager::advanceTime(double hours, Globals& globalVariables)
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{
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hours += mGameHour;
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setHour(hours);
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int days = static_cast<int>(hours / 24);
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if (days > 0)
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mDaysPassed += days;
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globalVariables["gamehour"].setFloat(mGameHour);
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globalVariables["dayspassed"].setInteger(mDaysPassed);
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globalVariables["day"].setInteger(mDay);
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globalVariables["month"].setInteger(mMonth);
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globalVariables["year"].setInteger(mYear);
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}
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std::string DateTimeManager::getMonthName(int month) const
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{
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if (month == -1)
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month = mMonth;
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const int months = 12;
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if (month < 0 || month >= months)
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return std::string();
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static const char *monthNames[months] =
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{
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"sMonthMorningstar", "sMonthSunsdawn", "sMonthFirstseed", "sMonthRainshand",
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"sMonthSecondseed", "sMonthMidyear", "sMonthSunsheight", "sMonthLastseed",
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"sMonthHeartfire", "sMonthFrostfall", "sMonthSunsdusk", "sMonthEveningstar"
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};
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const ESM::GameSetting *setting = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find(monthNames[month]);
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return setting->mValue.getString();
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}
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bool DateTimeManager::updateGlobalFloat(const std::string& name, float value)
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{
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if (name=="gamehour")
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{
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setHour(value);
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return true;
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}
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else if (name=="day")
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{
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setDay(static_cast<int>(value));
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return true;
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}
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else if (name=="month")
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{
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setMonth(static_cast<int>(value));
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return true;
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}
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else if (name=="year")
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{
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mYear = static_cast<int>(value);
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}
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else if (name=="timescale")
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{
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mTimeScale = value;
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}
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else if (name=="dayspassed")
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{
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mDaysPassed = static_cast<int>(value);
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}
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return false;
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}
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bool DateTimeManager::updateGlobalInt(const std::string& name, int value)
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{
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if (name=="gamehour")
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{
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setHour(static_cast<float>(value));
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return true;
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}
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else if (name=="day")
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{
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setDay(value);
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return true;
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}
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else if (name=="month")
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{
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setMonth(value);
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return true;
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}
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else if (name=="year")
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{
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mYear = value;
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}
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else if (name=="timescale")
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{
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mTimeScale = static_cast<float>(value);
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}
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else if (name=="dayspassed")
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{
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mDaysPassed = value;
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}
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return false;
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}
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}
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@ -0,0 +1,43 @@
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#ifndef GAME_MWWORLD_DATETIMEMANAGER_H
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#define GAME_MWWORLD_DATETIMEMANAGER_H
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#include <string>
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namespace ESM
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{
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struct EpochTimeStamp;
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}
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namespace MWWorld
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{
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class Globals;
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class TimeStamp;
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class DateTimeManager
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{
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int mDaysPassed = 0;
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int mDay = 0;
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int mMonth = 0;
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int mYear = 0;
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float mGameHour = 0.f;
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float mTimeScale = 0.f;
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void setHour(double hour);
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void setDay(int day);
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void setMonth(int month);
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public:
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std::string getMonthName(int month) const;
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TimeStamp getTimeStamp() const;
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ESM::EpochTimeStamp getEpochTimeStamp() const;
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float getTimeScaleFactor() const;
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void advanceTime(double hours, Globals& globalVariables);
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void setup(Globals& globalVariables);
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bool updateGlobalInt(const std::string& name, int value);
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bool updateGlobalFloat(const std::string& name, float value);
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};
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}
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#endif
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