private void Spark()
{
if (RobustRandom.NextFloat() <= SparkChance)
{
if (!_foundTile ||
_targetGrid == default ||
(!EntityManager.EntityExists(_targetGrid) ? EntityLifeStage.Deleted : EntityManager.GetComponent <MetaDataComponent>(_targetGrid).EntityLifeStage) >= EntityLifeStage.Deleted ||
!_atmosphere.IsSimulatedGrid(_targetGrid))
{
return;
}
// Don't want it to be so obnoxious as to instantly murder anyone in the area but enough that
// it COULD start potentially start a bigger fire.
_atmosphere.HotspotExpose(_targetGrid, _targetTile, 700f, 50f, true);
SoundSystem.Play("/Audio/Effects/sparks4.ogg", Filter.Pvs(_targetCoords), _targetCoords);
}
}
public ReactionResult React(GasMixture mixture, IGasMixtureHolder?holder, AtmosphereSystem atmosphereSystem)
{
var energyReleased = 0f;
var oldHeatCapacity = atmosphereSystem.GetHeatCapacity(mixture);
var temperature = mixture.Temperature;
var location = holder as TileAtmosphere;
mixture.ReactionResults[GasReaction.Fire] = 0;
// More plasma released at higher temperatures.
var temperatureScale = 0f;
if (temperature > Atmospherics.PlasmaUpperTemperature)
{
temperatureScale = 1f;
}
else
{
temperatureScale = (temperature - Atmospherics.PlasmaMinimumBurnTemperature) /
(Atmospherics.PlasmaUpperTemperature - Atmospherics.PlasmaMinimumBurnTemperature);
}
if (temperatureScale > 0)
{
var oxygenBurnRate = Atmospherics.OxygenBurnRateBase - temperatureScale;
var plasmaBurnRate = 0f;
var initialOxygenMoles = mixture.GetMoles(Gas.Oxygen);
var initialPlasmaMoles = mixture.GetMoles(Gas.Plasma);
// Supersaturation makes tritium.
var supersaturation = initialOxygenMoles / initialPlasmaMoles > Atmospherics.SuperSaturationThreshold;
if (initialOxygenMoles > initialPlasmaMoles * Atmospherics.PlasmaOxygenFullburn)
{
plasmaBurnRate = initialPlasmaMoles * temperatureScale / Atmospherics.PlasmaBurnRateDelta;
}
else
{
plasmaBurnRate = temperatureScale * (initialOxygenMoles / Atmospherics.PlasmaOxygenFullburn) / Atmospherics.PlasmaBurnRateDelta;
}
if (plasmaBurnRate > Atmospherics.MinimumHeatCapacity)
{
plasmaBurnRate = MathF.Min(plasmaBurnRate, MathF.Min(initialPlasmaMoles, initialOxygenMoles / oxygenBurnRate));
mixture.SetMoles(Gas.Plasma, initialPlasmaMoles - plasmaBurnRate);
mixture.SetMoles(Gas.Oxygen, initialOxygenMoles - plasmaBurnRate * oxygenBurnRate);
mixture.AdjustMoles(supersaturation ? Gas.Tritium : Gas.CarbonDioxide, plasmaBurnRate);
energyReleased += Atmospherics.FirePlasmaEnergyReleased * plasmaBurnRate;
mixture.ReactionResults[GasReaction.Fire] += plasmaBurnRate * (1 + oxygenBurnRate);
}
}
if (energyReleased > 0)
{
var newHeatCapacity = atmosphereSystem.GetHeatCapacity(mixture);
if (newHeatCapacity > Atmospherics.MinimumHeatCapacity)
{
mixture.Temperature = (temperature * oldHeatCapacity + energyReleased) / newHeatCapacity;
}
}
if (location != null)
{
var mixTemperature = mixture.Temperature;
if (mixTemperature > Atmospherics.FireMinimumTemperatureToExist)
{
atmosphereSystem.HotspotExpose(location.GridIndex, location.GridIndices, mixTemperature, mixture.Volume);
}
}
return(mixture.ReactionResults[GasReaction.Fire] != 0 ? ReactionResult.Reacting : ReactionResult.NoReaction);
}
public ReactionResult React(GasMixture mixture, IGasMixtureHolder?holder, AtmosphereSystem atmosphereSystem)
{
var energyReleased = 0f;
var oldHeatCapacity = atmosphereSystem.GetHeatCapacity(mixture);
var temperature = mixture.Temperature;
var location = holder as TileAtmosphere;
mixture.ReactionResults[GasReaction.Fire] = 0f;
var burnedFuel = 0f;
var initialTrit = mixture.GetMoles(Gas.Tritium);
if (mixture.GetMoles(Gas.Oxygen) < initialTrit ||
Atmospherics.MinimumTritiumOxyburnEnergy > (temperature * oldHeatCapacity))
{
burnedFuel = mixture.GetMoles(Gas.Oxygen) / Atmospherics.TritiumBurnOxyFactor;
if (burnedFuel > initialTrit)
{
burnedFuel = initialTrit;
}
mixture.AdjustMoles(Gas.Tritium, -burnedFuel);
}
else
{
burnedFuel = initialTrit;
mixture.SetMoles(Gas.Tritium, mixture.GetMoles(Gas.Tritium) * (1 - 1 / Atmospherics.TritiumBurnTritFactor));
mixture.AdjustMoles(Gas.Oxygen, -mixture.GetMoles(Gas.Tritium));
energyReleased += (Atmospherics.FireHydrogenEnergyReleased * burnedFuel * (Atmospherics.TritiumBurnTritFactor - 1));
}
if (burnedFuel > 0)
{
energyReleased += (Atmospherics.FireHydrogenEnergyReleased * burnedFuel);
// TODO ATMOS Radiation pulse here!
// Conservation of mass is important.
mixture.AdjustMoles(Gas.WaterVapor, burnedFuel);
mixture.ReactionResults[GasReaction.Fire] += burnedFuel;
}
if (energyReleased > 0)
{
var newHeatCapacity = atmosphereSystem.GetHeatCapacity(mixture);
if (newHeatCapacity > Atmospherics.MinimumHeatCapacity)
{
mixture.Temperature = ((temperature * oldHeatCapacity + energyReleased) / newHeatCapacity);
}
}
if (location != null)
{
temperature = mixture.Temperature;
if (temperature > Atmospherics.FireMinimumTemperatureToExist)
{
atmosphereSystem.HotspotExpose(location.GridIndex, location.GridIndices, temperature, mixture.Volume);
}
}
return(mixture.ReactionResults[GasReaction.Fire] != 0 ? ReactionResult.Reacting : ReactionResult.NoReaction);
}
