public static SDVTime operator -(SDVTime s1, SDVTime s2)
{
SDVTime ret = new SDVTime(s1);
s1.hour = s1.hour + s2.hour;
s1.minute = s1.minute + s2.minute;
while (s1.minute > 59)
{
s1.hour++;
s1.minute -= MINPERHR;
}
while (s1.minute < 0)
{
s1.hour--;
s1.minute += 60;
}
if (s1.hour >= MAXHOUR)
{
s1.hour = s1.hour - MAXHOUR;
}
return(ret);
}
public static SDVTime operator +(SDVTime s1, int time)
{
SDVTime ret = new SDVTime(s1);
ret.AddTime(time);
return(ret);
}
public static SDVTime operator -(SDVTime s1, SDVTime s2)
{
SDVTime ret = new SDVTime(s1);
ret.hour -= s2.hour;
ret.minute -= s2.minute;
while (ret.minute > (MINPERHR - 1))
{
ret.hour++;
ret.minute -= MINPERHR;
}
while (ret.minute < 0)
{
ret.hour--;
ret.minute += MINPERHR;
}
if (ret.hour >= MAXHOUR)
{
ret.hour -= MAXHOUR;
}
return(ret);
}
//operator functions
public static SDVTime operator +(SDVTime s1, SDVTime s2)
{
SDVTime ret = new SDVTime(s1);
ret.AddTime(s2);
return(ret);
}
public static int AddTimeToIntTime(int s1, int s2)
{
SDVTime sTime = new SDVTime(s1);
sTime.AddTime(s2);
return(sTime.ReturnIntTime());
}
public override bool Equals(object obj)
{
SDVTime time = (SDVTime)obj;
return(time != null &&
hour == time.hour &&
minute == time.minute);
}
public void AddTime(SDVTime sTime)
{
hour = hour + sTime.hour;
minute = minute + sTime.minute;
while (minute > 59)
{
hour++;
minute -= MINPERHR;
}
while (minute < 0)
{
hour--;
minute += 60;
}
if (hour >= MAXHOUR)
{
hour = hour - MAXHOUR;
}
}
public void AddTime(SDVTime sTime)
{
hour += sTime.hour;
minute += sTime.minute;
while (minute > (MINPERHR - 1))
{
hour++;
minute -= MINPERHR;
}
while (minute < 0)
{
hour--;
minute += MAXHOUR;
}
if (hour >= MAXHOUR)
{
hour -= MAXHOUR;
}
}
public bool Equals(SDVTime other)
{
return(other != null &&
hour == other.hour &&
minute == other.minute);
}
public SDVTime(SDVTime c)
{
hour = c.hour;
minute = c.minute;
}
/// <summary>
/// This function takes two integer times and returns minutes between. Note: this returns an absolute value.
/// </summary>
/// <param name="t1">The first int time.</param>
/// <param name="t2">The second int time</param>
/// <returns>Amount of minutes between the two times</returns>
public static int MinutesBetweenTwoIntTimes(int t1, int t2)
{
return(Math.Abs(SDVTime.ConvertIntTimeToMinutes(t1) - SDVTime.ConvertIntTimeToMinutes(t2)));
}