/// <summary>
/// Vents (throws out) non-useful compounds from this cell
/// </summary>
private void HandleCompoundVenting(float delta)
{
// TODO: check that this works
// Skip if process system has not run yet
if (!Compounds.HasAnyBeenSetUseful())
{
return;
}
float amountToVent = Constants.COMPOUNDS_TO_VENT_PER_SECOND * delta;
// Cloud types are ones that can be vented
foreach (var type in SimulationParameters.Instance.GetCloudCompounds())
{
// Vent if not useful, or if over float the capacity
if (!Compounds.IsUseful(type))
{
amountToVent -= EjectCompound(type, amountToVent);
}
else if (Compounds.GetCompoundAmount(type) > 2 * Compounds.Capacity)
{
// Vent the part that went over
float toVent = Compounds.GetCompoundAmount(type) - (2 * Compounds.Capacity);
amountToVent -= EjectCompound(type, Math.Min(toVent, amountToVent));
}
if (amountToVent <= 0)
{
break;
}
}
}
/// <summary>
/// Absorbs compounds from this cloud
/// </summary>
public void AbsorbCompounds(int localX, int localY, CompoundBag storage,
Dictionary <Compound, float> totals, float delta, float rate)
{
var fractionToTake = 1.0f - (float)Math.Pow(0.5f, delta / Constants.CLOUD_ABSORPTION_HALF_LIFE);
for (int i = 0; i < Constants.CLOUDS_IN_ONE; i++)
{
if (Compounds[i] == null)
{
break;
}
// Skip if compound is non-useful
if (!storage.IsUseful(Compounds[i]))
{
continue;
}
// Overestimate of how much compounds we get
float generousAmount = HackyAddress(Density[localX, localY], i) *
Constants.SKIP_TRYING_TO_ABSORB_RATIO;
// Skip if there isn't enough to absorb
if (generousAmount < MathUtils.EPSILON)
{
continue;
}
float freeSpace = storage.Capacity - storage.GetCompoundAmount(Compounds[i]);
float multiplier = 1.0f * rate;
if (freeSpace < generousAmount)
{
// Allow partial absorption to allow cells to take from high density clouds
multiplier = freeSpace / generousAmount;
}
float taken = TakeCompound(Compounds[i], localX, localY, fractionToTake * multiplier) *
Constants.ABSORPTION_RATIO;
storage.AddCompound(Compounds[i], taken);
// Keep track of total compounds absorbed for the cell
if (!totals.ContainsKey(Compounds[i]))
{
totals.Add(Compounds[i], taken);
}
else
{
totals[Compounds[i]] += taken;
}
}
}
