public RaceGap(Lap first, Lap second)
{
this.Laps = first.LapNumber - second.LapNumber;
if (this.Laps == 0)
{
this.Time = second.CrossedAtTime - first.CrossedAtTime;
}
}
public Lap GetThrough(Func <Lap, Lap> way)
{
Lap ret = null;
Lap next = this;
do
{
ret = next;
next = way(next);
} while (next != null);
return(ret);
}
/// <summary>
/// Refresh links of PreviousLap and NextLap and LapNumber.
/// Same-driver data are expected.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="laps"></param>
internal static void ReLinkByTime <T>(List <T> laps) where T : Lap
{
if (laps.Count == 0)
{
return;
}
#if DEBUG
Driver d = laps[0].Driver;
laps.ForEach(i =>
{
if (i.Driver != d)
{
throw new ApplicationException("Cannot re-link by time for different drivers.");
}
});;
#endif
laps.Sort(new Lap.ByLapTimeComparer());
if (laps.Count == 1)
{
laps[0].BetterLap = null;
laps[0].NextLap = null;
laps[0].LapOrderNumber = 1;
return;
}
for (int i = 0; i < laps.Count; i++)
{
Lap cl = laps[i];
cl.LapOrderNumber = i + 1;
if (i == 0)
{
cl.BetterLap = null;
cl.WorserLap = laps[i + 1];
}
else if (i == laps.GetLastIndex())
{
cl.BetterLap = laps[i - 1];
cl.WorserLap = null;
}
else
{
cl.BetterLap = laps[i - 1];
cl.WorserLap = laps[i + 1];
}
}
}
/// <summary>
/// Refresh links of PreviousLap and NextLap and LapNumber.
/// Same-driver data are expected.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="laps"></param>
internal static void ReLinkByCrossedAt <T>(List <T> laps) where T : Lap
{
if (laps.Count == 0)
{
return;
}
#if DEBUG
Driver d = laps[0].Driver;
laps.ForEach(i =>
{
if (i.Driver != d)
{
throw new ApplicationException("Cannot re-link by crossed-at for different drivers.");
}
});;
#endif
laps.Sort(new Lap.ByCrossedAtTimeComparer());
if (laps.Count == 1)
{
laps[0].PreviousLap = null;
laps[0].NextLap = null;
return;
}
for (int i = 0; i < laps.Count; i++)
{
Lap cl = laps[i];
if (i == 0)
{
cl.PreviousLap = null;
cl.NextLap = laps[i + 1];
}
else if (i == laps.GetLastIndex())
{
cl.PreviousLap = laps[i - 1];
cl.NextLap = null;
}
else
{
cl.PreviousLap = laps[i - 1];
cl.NextLap = laps[i + 1];
}
}
}