OpenTTD
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Functions related to dates. More...
#include "date_type.h"
Go to the source code of this file.
Functions | |
void | SetDate (Date date, DateFract fract) |
Set the date. | |
void | ConvertDateToYMD (Date date, YearMonthDay *ymd) |
Converts a Date to a Year, Month & Day. | |
Date | ConvertYMDToDate (Year year, Month month, Day day) |
Converts a tuple of Year, Month and Day to a Date. | |
static bool | IsLeapYear (Year yr) |
Checks whether the given year is a leap year or not. |
Variables | |
Year | _cur_year |
Current year, starting at 0. | |
Month | _cur_month |
Current month (0..11) | |
Date | _date |
Current date in days (day counter) | |
DateFract | _date_fract |
Fractional part of the day. | |
uint16 | _tick_counter |
Ever incrementing (and sometimes wrapping) tick counter for setting off various events. |
Functions related to dates.
Definition in file date_func.h.
void ConvertDateToYMD | ( | Date | date, |
YearMonthDay * | ymd | ||
) |
Converts a Date to a Year, Month & Day.
date | the date to convert from |
ymd | the year, month and day to write to |
Definition at line 94 of file date.cpp.
References YearMonthDay::day, DAYS_IN_LEAP_YEAR, DAYS_IN_YEAR, IsLeapYear(), YearMonthDay::month, and YearMonthDay::year.
Referenced by ClickChangeDateCheat(), NetworkGameWindow::DrawServerLine(), DrawVehiclePurchaseInfo(), SubsidyListWindow::DrawWidget(), CrashLog::FillCrashLog(), GetGlobalVariable(), GetSnowLine(), IncreaseDate(), SetDate(), SetDateWindow::SetDateWindow(), and SetYearEngineAgingStops().
Converts a tuple of Year, Month and Day to a Date.
year | is a number between 0..MAX_YEAR |
month | is a number between 0..11 |
day | is a number between 1..31 |
Definition at line 149 of file date.cpp.
References _accum_days_for_month, DAYS_TILL, and IsLeapYear().
Referenced by ClickChangeDateCheat(), SaveLoadWindow::DrawWidget(), ScenarioEditorToolbarWindow::DrawWidget(), FixTTOEngines(), GetGlobalVariable(), LoadNewGRF(), SetDateWindow::OnClick(), ServerNetworkUDPSocketHandler::Receive_CLIENT_FIND_SERVER(), NetworkUDPSocketHandler::ReceiveNetworkGameInfo(), ServerNetworkAdminSocketHandler::SendWelcome(), SetStartingYear(), GenerateLandscapeWindow::SetStringParameters(), CreateScenarioWindow::SetStringParameters(), StartupEngines(), StartupOneEngine(), CheatWindow::UpdateWidgetSize(), GenerateLandscapeWindow::UpdateWidgetSize(), CreateScenarioWindow::UpdateWidgetSize(), MessageHistoryWindow::UpdateWidgetSize(), and ScenarioEditorToolbarWindow::UpdateWidgetSize().
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inlinestatic |
Checks whether the given year is a leap year or not.
yr | The year to check. |
yr
is a leap year, otherwise false. Definition at line 32 of file date_func.h.
Referenced by ConvertDateToYMD(), ConvertYMDToDate(), GetGlobalVariable(), and OnNewYear().
Set the date.
date | New date |
fract | The number of ticks that have passed on this date. |
Definition at line 37 of file date.cpp.
References _cur_month, _cur_year, _date, _date_fract, ConvertDateToYMD(), DAY_TICKS, YearMonthDay::month, and YearMonthDay::year.
Referenced by AfterLoadGame(), ClickChangeDateCheat(), and SetStartingYear().