public static bool FindNextLeg(Route[] returnArray, int count, City destination, City currentCity)
{
for (int i = 0; i < currentCity.Connections.Length; i++)
{
if (CanContinueSearch(returnArray, currentCity.Connections[i].GetCity()))
{
if (count == returnArray.Length)
{
throw new Exception("No Valid Route Found");
}
returnArray[count] = currentCity.Connections[i];
if(currentCity.Connections[i].GetCity().Equals(destination))
{
return true;
}
else
{
if(FindNextLeg(returnArray, count + 1, destination, currentCity.Connections[i].GetCity()))
{
return true;
}
}
}
}
return true;
}
public static int FindNextLegDistance(Route[] returnArray, int count, City destination, City currentCity)
{
for (int i = 0; i < currentCity.Connections.Length; i++)
{
if (CanContinueSearch(returnArray, currentCity.Connections[i].GetCity()))
{
if (currentCity.Connections[i].GetCity().Equals(destination))
{
return returnArray[count].GetDays();
}
else
{
if (FindNextLeg(returnArray, count + 1, destination, returnArray[i].GetCity()))
{
return returnArray[count].GetDays() + FindNextLegDistance(returnArray, count + 1, destination, currentCity.Connections[i].GetCity());
}
}
}
}
return 0;
}
private static bool CanContinueSearch(Route[] returnArray, City city)
{
for (int i = 0; i < returnArray.Length; i++)
{
if (returnArray[i].GetCity().Equals(city.GetCityName()))
{
return false;
}
}
return true;
}