Files
tbd-station-14/Content.Shared/EntityTable/ValueSelector/BinomialNumberSelector.cs
IProduceWidgets 98511d1b21 Binomial Number Selector for EntityTables (#36783)
* binomial dist

* lol initialize the int tho idiot

* xml docs my forgotten

* ditto
2025-04-21 02:57:20 +02:00

39 lines
1023 B
C#

using Robust.Shared.Random;
namespace Content.Shared.EntityTable.ValueSelector;
/// <summary>
/// Picks a value based on a Binomial Distribution of N Trials given P Chance
/// </summary>
public sealed partial class BinomialNumberSelector : NumberSelector
{
/// <summary>
/// How many times to try including an entry. i.e. the Max.
/// </summary>
[DataField]
public int Trials = 1;
/// <summary>
/// The odds a single trial succeeds
/// </summary>
/// <remarks>
/// my preferred "Prob" was already used in other places for entity table stuff and I didnt want more confusing terminology
/// </remarks>
[DataField]
public float Chance = .5f;
public override int Get(System.Random rand)
{
var random = IoCManager.Resolve<IRobustRandom>();
int count = 0;
for (int i = 0; i < Trials; i++)
{
if (random.Prob(Chance))
count++;
}
return count;
// get binomialed motherfucker
}
}