timer_game_calendar.h

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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 <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef TIMER_GAME_CALENDAR_H
#define TIMER_GAME_CALENDAR_H
 
#include "timer_game_common.h"

class TimerGameCalendar : public TimerGame<struct Calendar> {
public:
  static Year year; 
  static Month month; 
  static Date date; 
  static DateFract date_fract; 
  static uint16_t sub_date_fract; 
 
  static YearMonthDay ConvertDateToYMD(Date date);
  static Date ConvertYMDToDate(Year year, Month month, Day day);
  static void SetDate(Date date, DateFract fract);
};

class CalendarTime : public TimerGameConst<struct Calendar> {
public:
  static constexpr int DEF_MINUTES_PER_YEAR = 12;
  static constexpr int FROZEN_MINUTES_PER_YEAR = 0;
  static constexpr int MAX_MINUTES_PER_YEAR = 10080; // One week of real time. The actual max that doesn't overflow TimerGameCalendar::sub_date_fract is 10627, but this is neater.
};
 
#endif /* TIMER_GAME_CALENDAR_H */