[INC] GibDate

#define TIME_ZONE (-3)

stock date(timestamp,&ryear=0,&rmonth=0,&rday=0,&rhour=0,&rmins=0,&rsec=0)
{
    new year = 1970, day = 0, month = 0, hour = 0, mins = 0, sec = 0;
    new days_of_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    //new returnstring[21];
    while(timestamp > 31622400)
    {
        timestamp -= 31536000;
        if(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) timestamp -= 86400;
        ++ year;
    }
    if(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) days_of_month[1] = 29;
    else days_of_month[1] = 28;
    while(timestamp > 86400)
    {
        timestamp -= 86400;
        ++ day;
        if(day == days_of_month[month]) day = 0, ++ month;
    }
    while(timestamp > 60)
    {
        timestamp -= 60;
        ++ mins;
        if(mins == 60) mins = 0, ++ hour;
    }
    sec = timestamp;
    ryear = year;
    rmonth = month+1;
    rday = day+1;

    rhour = hour + TIME_ZONE;
    rmins = mins;
    rsec =  sec;
    //format(returnstring, 21, "%02d/%02d/%02d %02d:%02d:%02d", year, month + 1, day + 1, hour, mins, sec);
    //return returnstring;
    return 1;
}

stock mktime(hour, minute, second, day, month, year) // By: Y_Less
{
    static const
        days_of_month[12] =
        {
            0   * 86400, 31  * 86400, 59  * 86400,
            90  * 86400, 120 * 86400, 151 * 86400,
            181 * 86400, 212 * 86400, 243 * 86400,
            273 * 86400, 304 * 86400, 334 * 86400
        };
    static
        lMonth, lYear, lMonthS, lYearS;
    if (year != lYear)
    {
        year -= 1970;
        lYearS = year * 31536000;
        lYearS += 86400 * (year / 4);
        year += 70;
        lYearS -= (year / 100) * 86400;
        year += 300;
        lYearS += (year / 400) * 86400;
        year += 1600; // 1970 - 370
        lYear = year;
    }
    if (month != lMonth)
    {
        --month;
        lMonthS = days_of_month[month];
        if (IsLeapYear(year) && month >= 2)
        {
            lMonthS += 86400;
        }
        lMonth = month + 1;
    }
    day = (day - 1) * 86400;
    hour = ( hour - TIME_ZONE ) * 3600;
    minute = minute * 60;
    return lYearS + lMonthS + day + hour + minute + second;
}



stock IsLeapYear(year)
{
    if ( ( year % 4 ) == 0 &&
        (( year % 100 ) != 0 || ( year % 400 ) == 0)
    ) return 1;
    return 0;
}