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/* $Id$ */
/*
* 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 <http://www.gnu.org/licenses/>.
*/
/** @file script_date.cpp Implementation of ScriptDate. */
#include <time.h>
#include "../../stdafx.h"
#include "script_date.hpp"
#include "../../date_func.h"
#include "../../safeguards.h"
/* static */ bool ScriptDate::IsValidDate(Date date)
{
return date >= 0;
}
/* static */ ScriptDate::Date ScriptDate::GetCurrentDate()
{
return (ScriptDate::Date)_date;
}
/* static */ int32 ScriptDate::GetYear(ScriptDate::Date date)
{
if (date < 0) return DATE_INVALID;
::YearMonthDay ymd;
::ConvertDateToYMD(date, &ymd);
return ymd.year;
}
/* static */ int32 ScriptDate::GetMonth(ScriptDate::Date date)
{
if (date < 0) return DATE_INVALID;
::YearMonthDay ymd;
::ConvertDateToYMD(date, &ymd);
return ymd.month + 1;
}
/* static */ int32 ScriptDate::GetDayOfMonth(ScriptDate::Date date)
{
if (date < 0) return DATE_INVALID;
::YearMonthDay ymd;
::ConvertDateToYMD(date, &ymd);
return ymd.day;
}
/* static */ ScriptDate::Date ScriptDate::GetDate(int32 year, int32 month, int32 day_of_month)
{
if (month < 1 || month > 12) return DATE_INVALID;
if (day_of_month < 1 || day_of_month > 31) return DATE_INVALID;
if (year < 0 || year > MAX_YEAR) return DATE_INVALID;
return (ScriptDate::Date)::ConvertYMDToDate(year, month - 1, day_of_month);
}
/* static */ int32 ScriptDate::GetSystemTime()
{
time_t t;
time(&t);
return t;
}
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