Biome rework (#37735)

* DungeonData rework

Back to fields, serializes better, just make new layers dumby.

* wawawewa

* Fix this

* Fixes

* Port the work over

* wawawewa

* zoom

* Kinda workin

* Adjust wawa

* Unloading work

* Ore + entitytable fixes

Iterate every dungeon not just last.

* Big shot

* wawawewa

* Fixes

* true

* Fixes

# Conflicts:
#	Content.Server/Procedural/DungeonJob/DungeonJob.cs

* wawawewa

* Fixes

* Fix

* Lot of work

* wawawewa

* Fixing

* eh?

* a

* Fix a heap of stuff

* Better ignored check

* Reserve tile changes

* biome

* changes

* wawawewa

* Fixes & snow

* Shadow fixes

* wawawewa

* smol

* Add layer API

* More work

* wawawewa

* Preloads and running again

* wawawewa

* Modified

* Replacements and command

* Runtime support

* werk

* Fix expeds + dungeon alltiles

* reh

---------

Co-authored-by: Nemanja <98561806+EmoGarbage404@users.noreply.github.com>

Content.Shared/Procedural/DungeonLayers/SampleDecalDunGen.cs

@@ -0,0 +1,36 @@
+using Content.Shared.Decals;
+using Content.Shared.Maps;
+using Robust.Shared.Noise;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Shared.Procedural.DungeonLayers;
+
+public sealed partial class SampleDecalDunGen : IDunGenLayer
+{
+    /// <summary>
+    /// Reserve any tiles we update.
+    /// </summary>
+    [DataField]
+    public bool ReserveTiles = true;
+
+    [DataField(customTypeSerializer:typeof(PrototypeIdListSerializer<ContentTileDefinition>))]
+    public List<string> AllowedTiles { get; private set; } = new();
+
+    /// <summary>
+    /// Divide each tile up by this amount.
+    /// </summary>
+    [DataField]
+    public float Divisions = 1f;
+
+    [DataField]
+    public FastNoiseLite Noise { get; private set; } = new(0);
+
+    [DataField]
+    public float Threshold { get; private set; } = 0.8f;
+
+    [DataField] public bool Invert { get; private set; } = false;
+
+    [DataField(required: true)]
+    public List<ProtoId<DecalPrototype>> Decals = new();
+}