351 lines
13 KiB
C#
351 lines
13 KiB
C#
using Robust.Shared.Serialization;
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// ReSharper disable InconsistentNaming
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namespace Content.Shared.Atmos
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{
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/// <summary>
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/// Class to store atmos constants.
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/// </summary>
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public static class Atmospherics
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{
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static Atmospherics()
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{
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AdjustedNumberOfGases = MathHelper.NextMultipleOf(TotalNumberOfGases, 4);
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}
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#region ATMOS
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/// <summary>
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/// The universal gas constant, in kPa*L/(K*mol)
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/// </summary>
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public const float R = 8.314462618f;
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/// <summary>
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/// 1 ATM in kPA.
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/// </summary>
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public const float OneAtmosphere = 101.325f;
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/// <summary>
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/// Maximum external pressure (in kPA) a gas miner will, by default, output to.
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/// This is used to initialize roundstart atmos rooms.
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/// </summary>
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public const float GasMinerDefaultMaxExternalPressure = 6500f;
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/// <summary>
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/// -270.3ºC in K. CMB stands for Cosmic Microwave Background.
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/// </summary>
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public const float TCMB = 2.7f;
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/// <summary>
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/// 0ºC in K
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/// </summary>
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public const float T0C = 273.15f;
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/// <summary>
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/// 20ºC in K
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/// </summary>
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public const float T20C = 293.15f;
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/// <summary>
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/// Liters in a cell.
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/// </summary>
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public const float CellVolume = 2500f;
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// Liters in a normal breath
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public const float BreathVolume = 0.5f;
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// Amount of air to take from a tile
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public const float BreathPercentage = BreathVolume / CellVolume;
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/// <summary>
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/// Moles in a 2.5 m^3 cell at 101.325 kPa and 20ºC
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/// </summary>
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public const float MolesCellStandard = (OneAtmosphere * CellVolume / (T20C * R));
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/// <summary>
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/// Moles in a 2.5 m^3 cell at GasMinerDefaultMaxExternalPressure kPa and 20ºC
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/// </summary>
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public const float MolesCellGasMiner = (GasMinerDefaultMaxExternalPressure * CellVolume / (T20C * R));
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/// <summary>
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/// Compared against for superconduction.
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/// </summary>
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public const float MCellWithRatio = (MolesCellStandard * 0.005f);
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public const float OxygenStandard = 0.21f;
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public const float NitrogenStandard = 0.79f;
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public const float OxygenMolesStandard = MolesCellStandard * OxygenStandard;
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public const float NitrogenMolesStandard = MolesCellStandard * NitrogenStandard;
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#endregion
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/// <summary>
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/// Visible moles multiplied by this factor to get moles at which gas is at max visibility.
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/// </summary>
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public const float FactorGasVisibleMax = 20f;
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/// <summary>
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/// Minimum number of moles a gas can have.
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/// </summary>
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public const float GasMinMoles = 0.00000005f;
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public const float OpenHeatTransferCoefficient = 0.4f;
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/// <summary>
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/// Hack to make vacuums cold, sacrificing realism for gameplay.
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/// </summary>
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public const float HeatCapacityVacuum = 7000f;
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/// <summary>
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/// Ratio of air that must move to/from a tile to reset group processing
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/// </summary>
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public const float MinimumAirRatioToSuspend = 0.1f;
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/// <summary>
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/// Minimum ratio of air that must move to/from a tile
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/// </summary>
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public const float MinimumAirRatioToMove = 0.001f;
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/// <summary>
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/// Minimum amount of air that has to move before a group processing can be suspended
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/// </summary>
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public const float MinimumAirToSuspend = (MolesCellStandard * MinimumAirRatioToSuspend);
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public const float MinimumTemperatureToMove = (T20C + 100f);
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public const float MinimumMolesDeltaToMove = (MolesCellStandard * MinimumAirRatioToMove);
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/// <summary>
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/// Minimum temperature difference before group processing is suspended
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/// </summary>
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public const float MinimumTemperatureDeltaToSuspend = 4.0f;
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/// <summary>
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/// Minimum temperature difference before the gas temperatures are just set to be equal.
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/// </summary>
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public const float MinimumTemperatureDeltaToConsider = 0.5f;
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/// <summary>
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/// Minimum temperature for starting superconduction.
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/// </summary>
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public const float MinimumTemperatureStartSuperConduction = (T20C + 400f);
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public const float MinimumTemperatureForSuperconduction = (T20C + 80f);
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/// <summary>
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/// Minimum heat capacity.
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/// </summary>
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public const float MinimumHeatCapacity = 0.0003f;
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/// <summary>
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/// For the purposes of making space "colder"
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/// </summary>
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public const float SpaceHeatCapacity = 7000f;
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#region Excited Groups
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/// <summary>
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/// Number of full atmos updates ticks before an excited group breaks down (averages gas contents across turfs)
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/// </summary>
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public const int ExcitedGroupBreakdownCycles = 4;
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/// <summary>
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/// Number of full atmos updates before an excited group dismantles and removes its turfs from active
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/// </summary>
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public const int ExcitedGroupsDismantleCycles = 16;
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#endregion
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/// <summary>
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/// Hard limit for zone-based tile equalization.
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/// </summary>
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public const int MonstermosHardTileLimit = 2000;
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/// <summary>
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/// Limit for zone-based tile equalization.
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/// </summary>
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public const int MonstermosTileLimit = 200;
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/// <summary>
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/// Total number of gases. Increase this if you want to add more!
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/// </summary>
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public const int TotalNumberOfGases = 9;
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/// <summary>
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/// This is the actual length of the gases arrays in mixtures.
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/// Set to the closest multiple of 4 relative to <see cref="TotalNumberOfGases"/> for SIMD reasons.
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/// </summary>
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public static readonly int AdjustedNumberOfGases;
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/// <summary>
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/// Amount of heat released per mole of burnt hydrogen or tritium (hydrogen isotope)
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/// </summary>
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public const float FireHydrogenEnergyReleased = 560000f;
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public const float FireMinimumTemperatureToExist = T0C + 100f;
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public const float FireMinimumTemperatureToSpread = T0C + 150f;
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public const float FireSpreadRadiosityScale = 0.85f;
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public const float FirePlasmaEnergyReleased = 3000000f;
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public const float FireGrowthRate = 40000f;
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public const float SuperSaturationThreshold = 96f;
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public const float SuperSaturationEnds = SuperSaturationThreshold / 3;
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public const float OxygenBurnRateBase = 1.4f;
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public const float PlasmaMinimumBurnTemperature = (100f+T0C);
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public const float PlasmaUpperTemperature = (1370f+T0C);
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public const float PlasmaOxygenFullburn = 10f;
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public const float PlasmaBurnRateDelta = 9f;
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/// <summary>
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/// This is calculated to help prevent singlecap bombs (Overpowered tritium/oxygen single tank bombs)
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/// </summary>
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public const float MinimumTritiumOxyburnEnergy = 430000f;
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public const float TritiumBurnOxyFactor = 100f;
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public const float TritiumBurnTritFactor = 10f;
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public const float FrezonCoolLowerTemperature = 23.15f;
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/// <summary>
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/// Frezon cools better at higher temperatures.
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/// </summary>
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public const float FrezonCoolMidTemperature = 373.15f;
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public const float FrezonCoolMaximumEnergyModifier = 10f;
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/// <summary>
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/// Remove X mol of nitrogen for each mol of frezon.
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/// </summary>
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public const float FrezonNitrogenCoolRatio = 5;
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public const float FrezonCoolEnergyReleased = -3000000f;
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public const float FrezonCoolRateModifier = 20f;
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public const float FrezonProductionMaxEfficiencyTemperature = 73.15f;
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/// <summary>
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/// 1 mol of N2 is required per X mol of tritium and oxygen.
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/// </summary>
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public const float FrezonProductionNitrogenRatio = 10f;
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/// <summary>
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/// 1 mol of Tritium is required per X mol of oxygen.
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/// </summary>
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public const float FrezonProductionTritRatio = 50.0f;
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/// <summary>
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/// 1 / X of the tritium is converted into Frezon each tick
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/// </summary>
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public const float FrezonProductionConversionRate = 50f;
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/// <summary>
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/// How many mol of frezon can be converted into miasma in one cycle.
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/// </summary>
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public const float MiasmicSubsumationMaxConversionRate = 5f;
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/// <summary>
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/// Determines at what pressure the ultra-high pressure red icon is displayed.
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/// </summary>
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public const float HazardHighPressure = 550f;
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/// <summary>
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/// Determines when the orange pressure icon is displayed.
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/// </summary>
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public const float WarningHighPressure = 0.7f * HazardHighPressure;
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/// <summary>
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/// Determines when the gray low pressure icon is displayed.
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/// </summary>
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public const float WarningLowPressure = 2.5f * HazardLowPressure;
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/// <summary>
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/// Determines when the black ultra-low pressure icon is displayed.
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/// </summary>
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public const float HazardLowPressure = 20f;
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/// <summary>
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/// The amount of pressure damage someone takes is equal to (pressure / HAZARD_HIGH_PRESSURE)*PRESSURE_DAMAGE_COEFFICIENT,
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/// with the maximum of MaxHighPressureDamage.
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/// </summary>
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public const float PressureDamageCoefficient = 4;
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/// <summary>
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/// Maximum amount of damage that can be endured with high pressure.
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/// </summary>
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public const int MaxHighPressureDamage = 4;
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/// <summary>
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/// The amount of damage someone takes when in a low pressure area
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/// (The pressure threshold is so low that it doesn't make sense to do any calculations,
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/// so it just applies this flat value).
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/// </summary>
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public const int LowPressureDamage = 4;
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public const float WindowHeatTransferCoefficient = 0.1f;
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/// <summary>
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/// Directions that atmos currently supports. Modify in case of multi-z.
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/// See <see cref="AtmosDirection"/> on the server.
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/// </summary>
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public const int Directions = 4;
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/// <summary>
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/// The normal body temperature in degrees Celsius.
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/// </summary>
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public const float NormalBodyTemperature = 37f;
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/// <summary>
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/// I hereby decree. This is Arbitrary Suck my Dick
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/// </summary>
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public const float BreathMolesToReagentMultiplier = 1144;
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#region Pipes
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/// <summary>
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/// The default pressure at which pumps and powered equipment max out at, in kPa.
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/// </summary>
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public const float MaxOutputPressure = 4500;
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/// <summary>
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/// The default maximum speed powered equipment can work at, in L/s.
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/// </summary>
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public const float MaxTransferRate = 200;
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/// <summary>
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/// What fraction of air from a spaced tile escapes every tick.
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/// 1.0 for instant spacing, 0.2 means 20% of remaining air lost each time
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/// </summary>
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public const float SpacingEscapeRatio = 0.05f;
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/// <summary>
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/// Minimum amount of air allowed on a spaced tile before it is reset to 0 immediately in kPa
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/// Since the decay due to SpacingEscapeRatio follows a curve, it would never reach 0.0 exactly
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/// unless we truncate it somewhere.
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/// </summary>
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public const float SpacingMinGas = 2.0f;
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/// <summary>
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/// How much wind can go through a single tile before that tile doesn't depressurize itself
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/// (I.e spacing is limited in large rooms heading into smaller spaces)
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/// </summary>
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public const float SpacingMaxWind = 500.0f;
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#endregion
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}
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/// <summary>
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/// Gases to Ids. Keep these updated with the prototypes!
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/// </summary>
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[Serializable, NetSerializable]
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public enum Gas : sbyte
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{
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Oxygen = 0,
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Nitrogen = 1,
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CarbonDioxide = 2,
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Plasma = 3,
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Tritium = 4,
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WaterVapor = 5,
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Miasma = 6,
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NitrousOxide = 7,
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Frezon = 8
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}
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}
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