public GalaxyFactory(bool initToDefault = false, int rngSeed = -1)
{
if (initToDefault)
{
Settings = SystemGenSettingsSD.DefaultSettings;
}
if (rngSeed != -1)
{
SeedRNG = new Random(rngSeed);
}
else
{
SeedRNG = new Random();
}
StarSystemFactory = new StarSystemFactory(this);
}
internal void Store(SystemGenSettingsSD settings)
{
SystemGenSettings = settings;
}
private static SystemGenSettingsSD GetDefaultSettings()
{
SystemGenSettingsSD settings = new SystemGenSettingsSD();
settings.RealStarSystems = false;
settings.NPRGenerationChance = 0.3333;
#region Advanced Star Generation Parameters
// Note that the data is this section is largely based on scientific fact
// See: http://en.wikipedia.org/wiki/Stellar_classification
// These values SHOULD NOT be Modified if you want sane star generation.
settings.StarTypeDistributionForRealStars = new WeightedList <SpectralType>
{
{ 0.00003, SpectralType.O },
{ 0.13, SpectralType.B },
{ 0.6, SpectralType.A },
{ 3, SpectralType.F },
{ 7.6, SpectralType.G },
{ 12.1, SpectralType.K },
{ 76.45, SpectralType.M },
{ 0.11997, SpectralType.M } // reserved for more exotic star types
};
settings.StarTypeDistributionForFakeStars = new WeightedList <SpectralType>
{
{ 0, SpectralType.O },
{ 0, SpectralType.B },
{ 5, SpectralType.A },
{ 15, SpectralType.F },
{ 50, SpectralType.G },
{ 15, SpectralType.K },
{ 10, SpectralType.M },
{ 5, SpectralType.M } // reserved for more exotic star types
};
// note Do Not Modify these values as they are based on SCIENCE!!! See: http://en.wikipedia.org/wiki/Stellar_classification
settings.StarRadiusBySpectralType = new Dictionary <SpectralType, MinMaxStruct>
{
{ SpectralType.O, new MinMaxStruct
{
Min = 6.6 * GameConstants.Units.SolarRadiusInAu,
Max = 250 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.B, new MinMaxStruct
{
Min = 1.8 * GameConstants.Units.SolarRadiusInAu,
Max = 6.6 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.A, new MinMaxStruct
{
Min = 1.4 * GameConstants.Units.SolarRadiusInAu,
Max = 1.8 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.F, new MinMaxStruct
{
Min = 1.15 * GameConstants.Units.SolarRadiusInAu,
Max = 1.4 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.G, new MinMaxStruct
{
Min = 0.96 * GameConstants.Units.SolarRadiusInAu,
Max = 1.15 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.K, new MinMaxStruct
{
Min = 0.7 * GameConstants.Units.SolarRadiusInAu,
Max = 0.96 * GameConstants.Units.SolarRadiusInAu
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 0.12 * GameConstants.Units.SolarRadiusInAu,
Max = 0.7 * GameConstants.Units.SolarRadiusInAu
} },
};
// note Do Not Modify these values as they are based on SCIENCE!!! See: http://en.wikipedia.org/wiki/Stellar_classification
settings.StarTemperatureBySpectralType = new Dictionary <SpectralType, MinMaxStruct>
{
{ SpectralType.O, new MinMaxStruct
{
Min = 30000,
Max = 60000
} },
{ SpectralType.B, new MinMaxStruct
{
Min = 10000,
Max = 30000
} },
{ SpectralType.A, new MinMaxStruct
{
Min = 7500,
Max = 10000
} },
{ SpectralType.F, new MinMaxStruct
{
Min = 6000,
Max = 7500
} },
{ SpectralType.G, new MinMaxStruct
{
Min = 5200,
Max = 6000
} },
{ SpectralType.K, new MinMaxStruct
{
Min = 3700,
Max = 5200
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 2400,
Max = 3700
} },
};
// note Do Not Modify these values as they are based on SCIENCE!!! See: http://en.wikipedia.org/wiki/Stellar_classification
settings.StarLuminosityBySpectralType = new Dictionary <SpectralType, MinMaxStruct>
{
{ SpectralType.O, new MinMaxStruct
{
Min = 30000,
Max = 1000000
} },
{ SpectralType.B, new MinMaxStruct
{
Min = 25,
Max = 30000
} },
{ SpectralType.A, new MinMaxStruct
{
Min = 5,
Max = 25
} },
{ SpectralType.F, new MinMaxStruct
{
Min = 1.5,
Max = 5
} },
{ SpectralType.G, new MinMaxStruct
{
Min = 0.6,
Max = 1.5
} },
{ SpectralType.K, new MinMaxStruct
{
Min = 0.08,
Max = 0.6
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 0.0001,
Max = 0.08
} },
};
// note Do Not Modify these values as they are based on SCIENCE!!! See: http://en.wikipedia.org/wiki/Stellar_classification
settings.StarMassBySpectralType = new Dictionary <SpectralType, MinMaxStruct>()
{
{ SpectralType.O, new MinMaxStruct
{
Min = 16 * GameConstants.Units.SolarMassInKG,
Max = 265 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.B, new MinMaxStruct
{
Min = 2.1 * GameConstants.Units.SolarMassInKG,
Max = 16 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.A, new MinMaxStruct
{
Min = 1.4 * GameConstants.Units.SolarMassInKG,
Max = 2.1 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.F, new MinMaxStruct
{
Min = 1.04 * GameConstants.Units.SolarMassInKG,
Max = 1.4 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.G, new MinMaxStruct
{
Min = 0.8 * GameConstants.Units.SolarMassInKG,
Max = 1.04 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.K, new MinMaxStruct
{
Min = 0.45 * GameConstants.Units.SolarMassInKG,
Max = 0.8 * GameConstants.Units.SolarMassInKG
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 0.08 * GameConstants.Units.SolarMassInKG,
Max = 0.45 * GameConstants.Units.SolarMassInKG
} },
};
settings.StarAgeBySpectralType = new Dictionary <SpectralType, MinMaxStruct>()
{
{ SpectralType.O, new MinMaxStruct
{
Min = 0,
Max = 6000000
} }, // after 6 million years O types either go nova or become B type stars.
{ SpectralType.B, new MinMaxStruct
{
Min = 0,
Max = 100000000
} }, // could not find any info on B type ages, so i made it between O and A (100 million).
{ SpectralType.A, new MinMaxStruct
{
Min = 0,
Max = 350000000
} }, // A type stars are always young, typical a few hundred million years..
{ SpectralType.F, new MinMaxStruct
{
Min = 0,
Max = 3000000000
} }, // Could not find any info again, chose a number between B and G stars (3 billion)
{ SpectralType.G, new MinMaxStruct
{
Min = 0,
Max = 10000000000
} }, // The life of a G class star is about 10 billion years.
{ SpectralType.K, new MinMaxStruct
{
Min = 0,
Max = 13200000000
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 0,
Max = 13200000000
} },
};
#endregion
#region Advanced SystemBody and other Body Generation Parameters
settings.PlanetGenerationChance = 0.8;
// Note that the actual maximum number of planets will be one less then this number.
settings.MaxNoOfPlanets = 25;
settings.MaxNoOfAsteroidsPerBelt = 150;
settings.MaxNoOfAsteroidBelts = 3;
settings.NumberOfAsteroidsPerDwarfPlanet = 20;
settings.MiniumCometsPerSystem = 0;
settings.MaxNoOfComets = 25;
// The value is a percentage as a number between 0 and 1, tho typically it should be less than 10% (or 0.1).
settings.MaxAsteroidOrbitDeviation = 0.03;
settings.MaxBodyInclination = 0;//45; //degrees. used for orbits and axial tilt. ** 0, because I can't figure the math to draw a plan view of the system - se5a
settings.MaxMoonMassRelativeToParentBody = 0.4;
settings.OrbitGravityFactor = 20;
settings.TerrestrialBodyTectonicActivityChance = 0.5;
// Epoch used when generating orbits for sol. There should be no reason to change this.
settings.J2000 = new DateTime(2000, 1, 1, 12, 0, 0);
settings.MiniumPossibleDayLength = 6;
settings.MinMoonOrbitMultiplier = 2.5;
// note These numbers can be tweaked as desired for gameplay. They affect the number of planets generated for a given star type.
// note Other factors such as the stars luminosity and mass are also taken into account. So these numbers may not make a whole lot of sense on the surface.
settings.StarSpectralTypePlanetGenerationRatio = new Dictionary <SpectralType, double>()
{
{ SpectralType.O, 0.6 },
{ SpectralType.B, 0.7 },
{ SpectralType.A, 0.9 },
{ SpectralType.F, 0.9 },
{ SpectralType.G, 2.1 },
{ SpectralType.K, 2.4 },
{ SpectralType.M, 1.8 },
};
// note That these values are based on bodies in our solar system and discovered Exoplanets. Some adjustment can be made for game play.
settings.SystemBodyMassByType = new Dictionary <BodyType, MinMaxStruct>()
{
{ BodyType.GasGiant, new MinMaxStruct
{
Min = 15 * GameConstants.Units.EarthMassInKG,
Max = 500 * GameConstants.Units.EarthMassInKG
} },
{ BodyType.IceGiant, new MinMaxStruct
{
Min = 5 * GameConstants.Units.EarthMassInKG,
Max = 30 * GameConstants.Units.EarthMassInKG
} },
{ BodyType.GasDwarf, new MinMaxStruct
{
Min = 1 * GameConstants.Units.EarthMassInKG,
Max = 15 * GameConstants.Units.EarthMassInKG
} },
{ BodyType.Terrestrial, new MinMaxStruct
{
Min = 0.05 * GameConstants.Units.EarthMassInKG,
Max = 5 * GameConstants.Units.EarthMassInKG
} },
{ BodyType.Moon, new MinMaxStruct
{
Min = 1E16,
Max = 1 * GameConstants.Units.EarthMassInKG
} }, // note 1E16 is 1 nano earth mass.
{ BodyType.DwarfPlanet, new MinMaxStruct
{
Min = 2E20,
Max = 5E23
} },
{ BodyType.Asteroid, new MinMaxStruct
{
Min = 1E15,
Max = 9E19
} },
{ BodyType.Comet, new MinMaxStruct
{
Min = 1E13,
Max = 9E14
} },
};
// note That these values are based on bodies in our solar system and discovered Exoplanets. Some adjustment can be made for game play.
settings.SystemBodyDensityByType = new Dictionary <BodyType, MinMaxStruct>()
{
{ BodyType.GasGiant, new MinMaxStruct
{
Min = 0.5,
Max = 10
} },
{ BodyType.IceGiant, new MinMaxStruct
{
Min = 1,
Max = 5
} },
{ BodyType.GasDwarf, new MinMaxStruct
{
Min = 1,
Max = 8
} },
{ BodyType.Terrestrial, new MinMaxStruct
{
Min = 3,
Max = 8
} },
{ BodyType.Moon, new MinMaxStruct
{
Min = 1.4,
Max = 5
} },
{ BodyType.DwarfPlanet, new MinMaxStruct
{
Min = 1,
Max = 6
} },
{ BodyType.Asteroid, new MinMaxStruct
{
Min = 1,
Max = 6
} },
{ BodyType.Comet, new MinMaxStruct
{
Min = 0.25,
Max = 0.7
} },
};
// note These numbers, with the exception of G class stars, are based on habitable zone calculations. They could be tweaked for gameplay.
settings.OrbitalDistanceByStarSpectralType = new Dictionary <SpectralType, MinMaxStruct>()
{
{ SpectralType.O, new MinMaxStruct
{
Min = 1,
Max = 200
} },
{ SpectralType.B, new MinMaxStruct
{
Min = 0.5,
Max = 100
} },
{ SpectralType.A, new MinMaxStruct
{
Min = 0.3,
Max = 90
} },
{ SpectralType.F, new MinMaxStruct
{
Min = 0.2,
Max = 60
} },
{ SpectralType.G, new MinMaxStruct
{
Min = 0.1,
Max = 40
} },
{ SpectralType.K, new MinMaxStruct
{
Min = 0.01,
Max = 18
} },
{ SpectralType.M, new MinMaxStruct
{
Min = 0.005,
Max = 9
} },
};
settings.BodyEccentricityByType = new Dictionary <BodyType, MinMaxStruct>
{
{ BodyType.Asteroid, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.Comet, new MinMaxStruct
{
Min = 0.6,
Max = 0.8
} },
{ BodyType.DwarfPlanet, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.GasDwarf, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.GasGiant, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.IceGiant, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.Moon, new MinMaxStruct
{
Min = 0,
Max = 0.5
} },
{ BodyType.Terrestrial, new MinMaxStruct
{
Min = 0,
Max = 0.5
} }
};
// note These are WAGs roughly based on the albedo of bodies in our solar system. They could be tweak for gameplay.
settings.PlanetAlbedoByType = new Dictionary <BodyType, MinMaxStruct>
{
{ BodyType.GasGiant, new MinMaxStruct
{
Min = 0.5,
Max = 0.7
} },
{ BodyType.IceGiant, new MinMaxStruct
{
Min = 0.5,
Max = 0.7
} },
{ BodyType.GasDwarf, new MinMaxStruct
{
Min = 0.3,
Max = 0.7
} },
{ BodyType.Terrestrial, new MinMaxStruct
{
Min = 0.05,
Max = 0.5
} },
{ BodyType.Moon, new MinMaxStruct
{
Min = 0.05,
Max = 0.5
} },
{ BodyType.DwarfPlanet, new MinMaxStruct
{
Min = 0.05,
Max = 0.95
} },
{ BodyType.Asteroid, new MinMaxStruct
{
Min = 0.05,
Max = 0.15
} },
{ BodyType.Comet, new MinMaxStruct
{
Min = 0.95,
Max = 0.99
} },
};
// note These are WAGs roughly based on the Magnetosphere of bodies in our solar system. They could be tweak for gameplay.
settings.PlanetMagneticFieldByType = new Dictionary <BodyType, MinMaxStruct>
{
{ BodyType.GasGiant, new MinMaxStruct
{
Min = 10,
Max = 2000
} },
{ BodyType.IceGiant, new MinMaxStruct
{
Min = 5,
Max = 50
} },
{ BodyType.GasDwarf, new MinMaxStruct
{
Min = 0.1,
Max = 20
} },
{ BodyType.Terrestrial, new MinMaxStruct
{
Min = 0.0001,
Max = 45
} },
{ BodyType.Moon, new MinMaxStruct
{
Min = 0.0001,
Max = 1
} },
{ BodyType.DwarfPlanet, new MinMaxStruct
{
Min = 0.00001,
Max = 0.0001
} },
{ BodyType.Asteroid, new MinMaxStruct
{
Min = 0.000001,
Max = 0.00001
} },
{ BodyType.Comet, new MinMaxStruct
{
Min = 0.0000001,
Max = 0.000001
} },
};
// note These numbers can be tweaked as desired for gameplay. They effect the chances of atmosphere generation.
settings.AtmosphereGenerationModifier = new Dictionary <BodyType, double>
{
{ BodyType.GasGiant, 100000000 },
{ BodyType.IceGiant, 100000000 },
{ BodyType.GasDwarf, 100000000 },
{ BodyType.Terrestrial, 1 },
{ BodyType.Moon, 0.5 },
{ BodyType.DwarfPlanet, 0 },
{ BodyType.Asteroid, 0 },
{ BodyType.Comet, 0 },
};
// note that this number can be tweaked for gameplay. it affects the chance of venus like planets.
settings.RunawayGreenhouseEffectChance = 0.25;
settings.MinMaxAtmosphericPressure = new MinMaxStruct(0.000000001, 200);
// note that this number can be tweaked for gameplay. It affects the chance of venus like planets.
settings.RunawayGreenhouseEffectMultiplyer = 10;
// note These numbers can be tweaked as desired for gameplay. They effect the chances of a planet having moons.
settings.MoonGenerationChanceByPlanetType = new Dictionary <BodyType, double>
{
{ BodyType.GasGiant, 0.99999999 },
{ BodyType.IceGiant, 0.99999999 },
{ BodyType.GasDwarf, 0.99 },
{ BodyType.Terrestrial, 0.5 },
{ BodyType.DwarfPlanet, 0.0001 },
{ BodyType.Moon, -1 },
};
settings.MaxMoonOrbitDistanceByPlanetType = new Dictionary <BodyType, double>
{
{ BodyType.GasGiant, 60581692 / GameConstants.Units.KmPerAu }, // twice highest jupiter moon orbit
{ BodyType.IceGiant, 49285000 / GameConstants.Units.KmPerAu }, // twice Neptune's highest moon orbit
{ BodyType.GasDwarf, 6058169 / GameConstants.Units.KmPerAu }, // WAG
{ BodyType.Terrestrial, 1923740 / GameConstants.Units.KmPerAu }, // 5 * luna orbit.
{ BodyType.DwarfPlanet, 25000 / GameConstants.Units.KmPerAu }, // WAG
};
// note Given the way the calculation for max moons is done it is unlikely that any planet will ever have the maximum number of moon, so pad as desired.
settings.MaxNoOfMoonsByPlanetType = new Dictionary <BodyType, double>
{
{ BodyType.GasGiant, 20 },
{ BodyType.IceGiant, 15 },
{ BodyType.GasDwarf, 8 },
{ BodyType.Terrestrial, 4 },
{ BodyType.DwarfPlanet, 1 },
};
settings.BodyTectonicsThresholds = new Dictionary <TectonicActivity, double>
{
{ TectonicActivity.Dead, 0.01 },
{ TectonicActivity.Minor, 0.2 },
{ TectonicActivity.EarthLike, 0.4 },
{ TectonicActivity.Major, 1 } // Not used, just here for completeness.
};
settings.BandBodyWeight = new WeightedList <SystemBand>
{
{ 0.3, SystemBand.InnerBand },
{ 0.1, SystemBand.HabitableBand },
{ 0.6, SystemBand.OuterBand },
};
settings.InnerBandTypeWeights = new WeightedList <BodyType>()
{
{ 35, BodyType.Asteroid },
{ 10, BodyType.GasDwarf },
{ 5, BodyType.GasGiant },
{ 0, BodyType.IceGiant },
{ 50, BodyType.Terrestrial },
};
settings.HabitableBandTypeWeights = new WeightedList <BodyType>
{
{ 25, BodyType.Asteroid },
{ 10, BodyType.GasDwarf },
{ 5, BodyType.GasGiant },
{ 0, BodyType.IceGiant },
{ 60, BodyType.Terrestrial },
};
settings.OuterBandTypeWeights = new WeightedList <BodyType>
{
{ 15, BodyType.Asteroid },
{ 20, BodyType.GasDwarf },
{ 25, BodyType.GasGiant },
{ 20, BodyType.IceGiant },
{ 10, BodyType.Terrestrial },
};
#endregion
#region Ruins Generation
// note A suitable planet/moon includes an atmosphere between 2.5 and 0.01 atm.
settings.RuinsGenerationChance = 0.5;
// note These values can be tweaked as desired for game play.
settings.RuinsSizeDistribution = new WeightedList <RuinsDB.RSize>()
{
{ 40, RuinsDB.RSize.Outpost },
{ 30, RuinsDB.RSize.Settlement },
{ 20, RuinsDB.RSize.Colony },
{ 10, RuinsDB.RSize.City }
};
// note There is some special additional logic for RuinsDB.RQuality.MultipleIntact.
// note These values can be tweaked as desired for game play.
settings.RuinsQualityDistribution = new WeightedList <RuinsDB.RQuality>()
{
{ 40, RuinsDB.RQuality.Destroyed },
{ 30, RuinsDB.RQuality.Ruined },
{ 15, RuinsDB.RQuality.PartiallyIntact },
{ 15, RuinsDB.RQuality.Intact }
};
// note These values can be tweaked as desired for game play.
settings.RuinsCountRangeBySize = new Dictionary <RuinsDB.RSize, MinMaxStruct>()
{
{ RuinsDB.RSize.Outpost, new MinMaxStruct
{
Min = 15,
Max = 50
} },
{ RuinsDB.RSize.Settlement, new MinMaxStruct
{
Min = 50,
Max = 100
} },
{ RuinsDB.RSize.Colony, new MinMaxStruct
{
Min = 100,
Max = 200
} },
{ RuinsDB.RSize.City, new MinMaxStruct
{
Min = 500,
Max = 1000
} },
};
// note These values can be tweaked as desired for game play.
settings.RuinsQualityAdjustment = new Dictionary <RuinsDB.RQuality, double>()
{
{ RuinsDB.RQuality.Destroyed, 1.25 },
{ RuinsDB.RQuality.Ruined, 1.5 },
{ RuinsDB.RQuality.PartiallyIntact, 1.75 },
{ RuinsDB.RQuality.Intact, 2.0 },
{ RuinsDB.RQuality.MultipleIntact, 3.0 }
};
settings.MinMineralAccessibility = 0.1;
settings.MinHomeworldMineralAccessibility = 0.5;
settings.MinHomeworldMineralAmmount = 50000;
settings.HomeworldMineralAmmount = 100000;
settings.MineralGenerationChanceByBodyType = new Dictionary <BodyType, double>()
{
{ BodyType.GasGiant, 0.4 },
{ BodyType.IceGiant, 0.33 },
{ BodyType.GasDwarf, 0.3 },
{ BodyType.Terrestrial, 0.5 },
{ BodyType.Moon, 0.15 },
{ BodyType.DwarfPlanet, 0.15 },
{ BodyType.Comet, 1 },
{ BodyType.Asteroid, 0.1 },
};
settings.MaxMineralAmmountByBodyType = new Dictionary <BodyType, int>()
{
{ BodyType.GasGiant, 100000000 },
{ BodyType.IceGiant, 50000000 },
{ BodyType.GasDwarf, 10000000 },
{ BodyType.Terrestrial, 5000000 },
{ BodyType.Moon, 1000000 },
{ BodyType.DwarfPlanet, 500000 },
{ BodyType.Comet, 100000 },
{ BodyType.Asteroid, 50000 },
};
#endregion
return(settings);
}