| OpenTTD
    | 
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().
| 
 | 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().
 1.8.1.2
 1.8.1.2