TimestampToDate.inc

/*
-               Timestamp To Date converter             -
-                    Made by Jochemd                    -
-          http://forum.sa-mp.com/member.php?u=580      -

native TimestampToDate(Timestamp, &year, &month, &day, &hour, &minute, &second, HourGMT, MinuteGMT = 0);
native DateToTimestamp(str[11]);
*/


#include <a_samp>
#include <sscanf2>

#define SPLITTER .

new MonthTimes[12][4] =
{
    { 31, 31, 2678400, 2678400 },
    { 28, 29, 2419200, 2505600 },
    { 31, 31, 2678400, 2678400 },
    { 30, 30, 2592000, 2592000 },
    { 31, 31, 2678400, 2678400 },
    { 30, 30, 2592000, 2592000 },
    { 31, 31, 2678400, 2678400 },
    { 31, 31, 2678400, 2678400 },
    { 30, 30, 2592000, 2592000 },
    { 31, 31, 2678400, 2678400 },
    { 30, 30, 2592000, 2592000 },
    { 31, 31, 2678400, 2678400 }
};

stock IsLeapYear(year)
{
    if(year % 4 == 0) return 1;
    else return 0;
}

stock TimestampToDate(Timestamp, &year, &month, &day, &hour, &minute, &second, HourGMT, MinuteGMT = 0)
{
    new tmp = 2;
    year = 1970;
    month = 1;
    Timestamp -= 172800; // Delete two days from the current timestamp. This is necessary, because the timestamp retrieved using gettime() includes two too many days.
    for(;;)
    {
        if(Timestamp >= 31536000)
        {
            year ++;
            Timestamp -= 31536000;
            tmp ++;
            if(tmp == 4)
            {
                if(Timestamp >= 31622400)
                {
                    tmp = 0;
                    year ++;
                    Timestamp -= 31622400;
                }
                else break;
            }
        }
        else break;
    }
    for(new i = 0; i < 12; i ++)
    {
        if(Timestamp >= MonthTimes[i][2 + IsLeapYear(year)])
        {
            month ++;
            Timestamp -= MonthTimes[i][2 + IsLeapYear(year)];
        }
        else break;
    }
    day = 1 + (Timestamp / 86400);
    Timestamp %= 86400;
    hour = HourGMT + (Timestamp / 3600);
    Timestamp %= 3600;
    minute = MinuteGMT + (Timestamp / 60);
    second = (Timestamp % 60);
    if(minute > 59)
    {
        minute = 0;
        hour ++;
    }
    if(hour > 23)
    {
        hour -= 24;
        day ++;
    }
    if(day > MonthTimes[month][IsLeapYear(year)])
    {
        day = 1;
        month ++;
    }
    if(month > 12)
    {
        month = 1;
        year ++;
    }
    return 1;
}

stock DateToTimestamp(str[11])
{
    new date[3]; // date[0] = day       date[1] = month         date[2] = year
    if(!sscanf(str,"p<"#SPLITTER">ddd",date[0],date[1],date[2]))
    {
        new total = 0, tmp = 0;
        total += date[0] * 86400;
        if(date[1] == 2 && date[0] < 29) tmp = ((date[2] - 1968) / 4 - 2);
        else tmp = ((date[2] - 1968) / 4 - 1);
        total += tmp * 31622400;
        total += (date[2] - 1970 - tmp) * 31536000;
        for(new i = 1; i < date[1]; i ++) total += MonthTimes[i][0 + IsLeapYear(date[2])] * 86400;
        return total;
    }
    else return -1;
}