/// <summary>
/// Returns the correct durations according to the type of the intersection.
/// </summary>
/// <param name="trafficlights"></param>
/// <param name="intersection"></param>
/// <param name="t1"></param>
/// <param name="t2"></param>
private static void GetDurationForIntersectionType(TrafficLights trafficlights, Intersection intersection, out int t1, out int t2)
{
if (trafficlights.HorOrVer)
{
t1 = intersection.GreenDurationHorizontal;
t2 = intersection.RedDurationHorizontal;
}
else
{
t1 = intersection.GreenDurationVertical;
t2 = intersection.RedDurationVertical;
}
}
/// <summary>
/// State machine logic incl. setting initial state
/// </summary>
/// <param name="trafficlights"></param>
/// <param name="intersection"></param>
public static void Start(TrafficLights trafficlights, Intersection intersection)
{
int t1 = 0;
int t2 = 0;
while (true)
{
switch (trafficlights.CurrentStatus)
{
case Enum.TrafficLightsStatus.Green:
GetDurationForIntersectionType(trafficlights, intersection, out t1, out t2);
Thread.Sleep(t1 * TrafficLightsDurations.SecondsMultiplier);
trafficlights.CurrentStatus = Enum.TrafficLightsStatus.BlinkGreen;
break;
case Enum.TrafficLightsStatus.Red:
GetDurationForIntersectionType(trafficlights, intersection, out t1, out t2);
Thread.Sleep(t2 * TrafficLightsDurations.SecondsMultiplier);
trafficlights.CurrentStatus = Enum.TrafficLightsStatus.RedYellow;
break;
case Enum.TrafficLightsStatus.BlinkGreen:
Thread.Sleep(TrafficLightsDurations.BlinkGreenDuration * TrafficLightsDurations.SecondsMultiplier);
trafficlights.CurrentStatus = Enum.TrafficLightsStatus.Yellow;
break;
case Enum.TrafficLightsStatus.Yellow:
Thread.Sleep(TrafficLightsDurations.YellowDuration * TrafficLightsDurations.SecondsMultiplier);
trafficlights.CurrentStatus = Enum.TrafficLightsStatus.Red;
break;
case Enum.TrafficLightsStatus.RedYellow:
Thread.Sleep(TrafficLightsDurations.YellowRedDuration * TrafficLightsDurations.SecondsMultiplier);
trafficlights.CurrentStatus = Enum.TrafficLightsStatus.Green;
break;
}
}
}
