Salvage dungeons (#14520)

Content.Shared/Procedural/DungeonGenerators/PrefabDunGen.cs

@@ -0,0 +1,30 @@
+using Content.Shared.Maps;
+using Content.Shared.Tag;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Shared.Procedural.DungeonGenerators;
+
+/// <summary>
+/// Places rooms in pre-selected pack layouts. Chooses rooms from the specified whitelist.
+/// </summary>
+public sealed class PrefabDunGen : IDunGen
+{
+    /// <summary>
+    /// Rooms need to match any of these tags
+    /// </summary>
+    [DataField("roomWhitelist", customTypeSerializer:typeof(PrototypeIdListSerializer<TagPrototype>))]
+    public List<string> RoomWhitelist = new();
+
+    /// <summary>
+    /// Room pack presets we can use for this prefab.
+    /// </summary>
+    [DataField("presets", required: true, customTypeSerializer:typeof(PrototypeIdListSerializer<DungeonPresetPrototype>))]
+    public List<string> Presets = new();
+
+    /// <summary>
+    /// Fallback tile.
+    /// </summary>
+    [DataField("tile", customTypeSerializer:typeof(PrototypeIdSerializer<ContentTileDefinition>))]
+    public string Tile = "FloorSteel";
+}