Salvage expeditions (#12745)

Content.Shared/Parallax/Biomes/Markers/IBiomeMarkerLayer.cs

@@ -0,0 +1,22 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Parallax.Biomes.Points;
+
+/// <summary>
+/// Specifies one-off marker points to be used. This could be for dungeon markers, mob markers, etc.
+/// These are run outside of the tile / decal / entity layers.
+/// </summary>
+public interface IBiomeMarkerLayer : IPrototype
+{
+    /// <summary>
+    /// Minimum radius between 2 points
+    /// </summary>
+    [DataField("radius")]
+    public float Radius { get; }
+
+    /// <summary>
+    /// How large the pre-generated points area is.
+    /// </summary>
+    [DataField("size")]
+    public int Size { get; }
+}