src/script/api/script_date.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file script_date.cpp Implementation of ScriptDate. */
   9
  10 #include "../../stdafx.h"
  11 #include "script_date.hpp"
  12 #include "script_timemode.hpp"
  13 #include "../../timer/timer_game_calendar.h"
  14 #include "../../timer/timer_game_economy.h"
  15
  16 #include <time.h>
  17
  18 #include "../../safeguards.h"
  19
  20 /* static */ bool ScriptDate::IsValidDate(Date date)
  21 {
  22         return date >= 0;
  23 }
  24
  25 /* static */ ScriptDate::Date ScriptDate::GetCurrentDate()
  26 {
  27         if (ScriptTimeMode::IsCalendarMode()) return (ScriptDate::Date)TimerGameCalendar::date.base();
  28
  29         return (ScriptDate::Date)TimerGameEconomy::date.base();
  30 }
  31
  32 /* static */ SQInteger ScriptDate::GetYear(ScriptDate::Date date)
  33 {
  34         if (date < 0) return DATE_INVALID;
  35
  36         if (ScriptTimeMode::IsCalendarMode()) {
  37                 ::TimerGameCalendar::YearMonthDay ymd = ::TimerGameCalendar::ConvertDateToYMD(date);
  38                 return ymd.year.base();
  39         }
  40
  41         ::TimerGameEconomy::YearMonthDay ymd = ::TimerGameEconomy::ConvertDateToYMD(date);
  42         return ymd.year.base();
  43 }
  44
  45 /* static */ SQInteger ScriptDate::GetMonth(ScriptDate::Date date)
  46 {
  47         if (date < 0) return DATE_INVALID;
  48
  49         if (ScriptTimeMode::IsCalendarMode()) {
  50                 ::TimerGameCalendar::YearMonthDay ymd = ::TimerGameCalendar::ConvertDateToYMD(date);
  51                 return ymd.month + 1;
  52         }
  53
  54         ::TimerGameEconomy::YearMonthDay ymd = ::TimerGameEconomy::ConvertDateToYMD(date);
  55         return ymd.month + 1;
  56 }
  57
  58 /* static */ SQInteger ScriptDate::GetDayOfMonth(ScriptDate::Date date)
  59 {
  60         if (date < 0) return DATE_INVALID;
  61
  62         if (ScriptTimeMode::IsCalendarMode()) {
  63                 ::TimerGameCalendar::YearMonthDay ymd = ::TimerGameCalendar::ConvertDateToYMD(date);
  64                 return ymd.day;
  65         }
  66
  67         ::TimerGameEconomy::YearMonthDay ymd = ::TimerGameEconomy::ConvertDateToYMD(date);
  68         return ymd.day;
  69 }
  70
  71 /* static */ ScriptDate::Date ScriptDate::GetDate(SQInteger year, SQInteger month, SQInteger day_of_month)
  72 {
  73         if (month < 1 || month > 12) return DATE_INVALID;
  74         if (day_of_month < 1 || day_of_month > 31) return DATE_INVALID;
  75         if (year < 0 || year > CalendarTime::MAX_YEAR) return DATE_INVALID;
  76
  77         if (ScriptTimeMode::IsCalendarMode()) return (ScriptDate::Date)::TimerGameCalendar::ConvertYMDToDate(year, month - 1, day_of_month).base();
  78
  79         return (ScriptDate::Date)::TimerGameEconomy::ConvertYMDToDate(year, month - 1, day_of_month).base();
  80 }
  81
  82 /* static */ SQInteger ScriptDate::GetSystemTime()
  83 {
  84         time_t t;
  85         time(&t);
  86         return t;
  87 }