public static WeatherSystem CreateRandomWeatherSystem(
GameConstants.WeatherSystemTypes weatherType,
GameConstants.WeatherSystemSeasonTypes season,
double latitude)
{
WeatherSystem system = new WeatherSystem();
system.WindDirectionFromDeg = GameManager.Instance.GetRandomNumber(360);
if (GameManager.Instance.ThrowDice(34))
{
system.WindDirectionFromDeg = GameManager.Instance.GetRandomNumber(30) + 240; //wind tends to be from the west
}
double MinTemp = 0;
double MaxTemp = 0;
GetMinMaxTempFromLatitude(season, latitude, out MinTemp, out MaxTemp);
int TempRange = (int)GetRange(MinTemp, MaxTemp);
system.TemperatureC = GameManager.Instance.GetRandomNumber(TempRange) + MinTemp;
switch (weatherType)
{
case GameConstants.WeatherSystemTypes.Random:
system.CloudCover8ths = GameManager.Instance.GetRandomNumber(8);
if (season == GameConstants.WeatherSystemSeasonTypes.Summer &&
GameManager.Instance.ThrowDice(50))
{
system.CloudCover8ths = GameManager.Instance.GetRandomNumber(3);
}
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(30);
if (system.WindSpeedMSec > 10 && GameManager.Instance.ThrowDice(25))
{
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(5);
}
system.Precipitation = (GameConstants.PrecipitationLevel)
GameManager.Instance.GetRandomNumber((int)GameConstants.PrecipitationLevel.Heavy);
if (GameManager.Instance.ThrowDice(25))
{
system.Precipitation = GameConstants.PrecipitationLevel.None;
}
if (system.Precipitation > GameConstants.PrecipitationLevel.None)
{
if (system.TemperatureC > 0)
{
system.PrecipitationType = GameConstants.PrecipitationType.Rain;
}
else
{
system.PrecipitationType = GameConstants.PrecipitationType.Snow;
}
}
break;
case GameConstants.WeatherSystemTypes.Fine:
system.CloudCover8ths = GameManager.Instance.GetRandomNumber(2);
system.Precipitation = GameConstants.PrecipitationLevel.None;
system.TemperatureC = system.TemperatureC.Clamp(-5, 25);
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(5);
break;
case GameConstants.WeatherSystemTypes.Fair:
system.CloudCover8ths = GameManager.Instance.GetRandomNumber(2);
system.Precipitation = GameConstants.PrecipitationLevel.None;
if (GameManager.Instance.ThrowDice(20))
{
system.Precipitation = GameConstants.PrecipitationLevel.Light;
}
system.TemperatureC = system.TemperatureC.Clamp(-5, 25);
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(12);
break;
case GameConstants.WeatherSystemTypes.Rough:
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(15) + 10;
system.Precipitation = (GameConstants.PrecipitationLevel)
GameManager.Instance.GetRandomNumber((int)GameConstants.PrecipitationLevel.Heavy);
if (system.Precipitation > GameConstants.PrecipitationLevel.None)
{
if (system.TemperatureC > 0)
{
system.PrecipitationType = GameConstants.PrecipitationType.Rain;
}
else
{
system.PrecipitationType = GameConstants.PrecipitationType.Snow;
}
}
break;
case GameConstants.WeatherSystemTypes.Severe:
system.WindSpeedMSec = GameManager.Instance.GetRandomNumber(20) + 20;
system.Precipitation = (GameConstants.PrecipitationLevel)
GameManager.Instance.GetRandomNumber((int)GameConstants.PrecipitationLevel.Heavy);
if (system.Precipitation > GameConstants.PrecipitationLevel.None)
{
if (system.TemperatureC > 0)
{
system.PrecipitationType = GameConstants.PrecipitationType.Rain;
}
else
{
system.PrecipitationType = GameConstants.PrecipitationType.Snow;
}
}
break;
}
if (system.Precipitation >= GameConstants.PrecipitationLevel.Light && system.CloudCover8ths < 7)
{
system.CloudCover8ths = 7;
}
if (system.Precipitation > GameConstants.PrecipitationLevel.Intermediate && system.CloudCover8ths < 8)
{
system.CloudCover8ths = 8;
}
return(system);
}
private static void GetMinMaxTempFromLatitude(GameConstants.WeatherSystemSeasonTypes season, double latitude, out double minTemp, out double maxTemp)
{
double lat = Math.Abs(latitude);
lat = lat.Clamp(0, 90);
minTemp = 5;
maxTemp = 15;
switch (season)
{
case GameConstants.WeatherSystemSeasonTypes.Summer:
if (lat > 70)
{
minTemp = -1;
maxTemp = 10;
}
else if (lat > 60)
{
minTemp = 5;
maxTemp = 20;
}
else if (lat > 50)
{
minTemp = 10;
maxTemp = 25;
}
else if (lat > 40)
{
minTemp = 10;
maxTemp = 30;
}
else
{
minTemp = 15;
maxTemp = 40;
}
break;
case GameConstants.WeatherSystemSeasonTypes.Spring:
if (lat > 70)
{
minTemp = -30;
maxTemp = -5;
}
else if (lat > 60)
{
minTemp = -10;
maxTemp = 10;
}
else if (lat > 50)
{
minTemp = 0;
maxTemp = 20;
}
else if (lat > 40)
{
minTemp = 15;
maxTemp = 30;
}
else
{
minTemp = 20;
maxTemp = 40;
}
break;
case GameConstants.WeatherSystemSeasonTypes.Autumn:
if (lat > 70)
{
minTemp = -20;
maxTemp = -2;
}
else if (lat > 60)
{
minTemp = -5;
maxTemp = 12;
}
else if (lat > 50)
{
minTemp = 2;
maxTemp = 10;
}
else if (lat > 40)
{
minTemp = 5;
maxTemp = 20;
}
else
{
minTemp = 10;
maxTemp = 35;
}
break;
case GameConstants.WeatherSystemSeasonTypes.Winter:
case GameConstants.WeatherSystemSeasonTypes.ArcticWinter:
if (lat > 70)
{
minTemp = -50;
maxTemp = -20;
}
else if (lat > 60)
{
minTemp = -30;
maxTemp = -5;
}
else if (lat > 50)
{
minTemp = -10;
maxTemp = 10;
}
else if (lat > 40)
{
minTemp = -1;
maxTemp = 15;
}
else
{
minTemp = 10;
maxTemp = 30;
}
break;
}
}
