Dynamic space world generation and debris. (#15120)

* World generation (squash)

* Test fixes.

* command

* o

* Access cleanup.

* Documentation touchups.

* Use a prototype serializer for BiomeSelectionComponent

* Struct enumerator in SimpleFloorPlanPopulatorSystem

* Safety margins around PoissonDiskSampler, cookie acquisition methodologies

* Struct enumerating PoissonDiskSampler; internal side

* Struct enumerating PoissonDiskSampler: Finish it

* Update WorldgenConfigSystem.cs

awa

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Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>
Co-authored-by: 20kdc <asdd2808@gmail.com>

Content.Server/Worldgen/Components/NoiseIndexComponent.cs

@@ -0,0 +1,20 @@
+using Content.Server.Worldgen.Prototypes;
+using Content.Server.Worldgen.Systems;
+
+namespace Content.Server.Worldgen.Components;
+
+/// <summary>
+///     This is used for containing configured noise generators.
+/// </summary>
+[RegisterComponent]
+[Access(typeof(NoiseIndexSystem))]
+public sealed class NoiseIndexComponent : Component
+{
+    /// <summary>
+    ///     An index of generators, to avoid having to recreate them every time a noise channel is used.
+    ///     Keyed by noise generator prototype ID.
+    /// </summary>
+    [Access(typeof(NoiseIndexSystem), Friend = AccessPermissions.ReadWriteExecute, Other = AccessPermissions.None)]
+    public Dictionary<string, NoiseGenerator> Generators { get; } = new();
+}
+