/// <summary>
/// Classify the city based on its population.
///
/// TODO: Put people counts into a table
/// </summary>
/// <param name="cityPopulation">Number of people in the city.</param>
/// <returns></returns>
private CityClassification GetCityClass(long cityPopulation)
{
CityClassification cityClassification = CityClassification.Village;
if (cityPopulation > 2000)
{
cityClassification = CityClassification.Town;
}
if (cityPopulation > 10000)
{
cityClassification = CityClassification.City;
}
if (cityPopulation > 50000)
{
cityClassification = CityClassification.Capital;
}
if (cityPopulation > 100000)
{
cityClassification = CityClassification.Metropolis;
}
if (cityPopulation > 500000)
{
cityClassification = CityClassification.Megalopolis;
}
return(cityClassification);
}
public object GetCities()
{
var list = new List <CityClassification>();
var hotcitise = new CityClassification()
{
Title = "热门城市",
Type = CityClassificationType.Likely,
Cities = context.HotCities.Select(city => city.City).ToList()
};
list.Add(hotcitise);
var groupCities = context.Citise.GroupBy(city => city.Spell.First())
.Select(cities => new CityClassification()
{
Title = char.ToUpper(cities.Key).ToString(),
Type = CityClassificationType.Normal,
Cities = cities.ToList()
}).ToList();
list.AddRange(groupCities);
return(new
{
items = list
});
}
/// <summary>
/// Detect a change in city class, and produce a message if the player has
/// reached the next class.
///
/// TODO: This code is very closely related to DoPopNum - merge both in some way?
/// (This function gets called much more often however then doPopNum().
/// Also, at the first call, the difference between thisCityPop and
/// cityPop is huge.)
/// </summary>
public void CheckGrowth()
{
if ((CityTime & 3) == 0)
{
short category = 0;
long thisCityPop = GetPopulation();
if (CityPopulationLast > 0)
{
CityClassification lastClass = GetCityClass(CityPopulationLast);
CityClassification newClass = GetCityClass(thisCityPop);
if (lastClass != newClass)
{
// Switched class, find appropiate message.
switch (newClass)
{
case CityClassification.Village:
// Don't mention it.
break;
case CityClassification.Town:
category = (short)GeneralMessages.MESSAGE_REACHED_TOWN;
break;
case CityClassification.City:
category = (short)GeneralMessages.MESSAGE_REACHED_CITY;
break;
case CityClassification.Capital:
category = (short)GeneralMessages.MESSAGE_REACHED_CAPITAL;
break;
case CityClassification.Metropolis:
category = (short)GeneralMessages.MESSAGE_REACHED_METROPOLIS;
break;
case CityClassification.Megalopolis:
category = (short)GeneralMessages.MESSAGE_REACHED_MEGALOPOLIS;
break;
default:
//NOT_REACHED();
break;
}
}
}
if (category > 0 && category != CategoryLast)
{
SendMessage((GeneralMessages)category, Constants.NoWhere, Constants.NoWhere, true);
CategoryLast = category;
}
CityPopulationLast = thisCityPop;
}
}
