Salvage dungeons (#14520)

Content.Server/NPC/Pathfinding/PathfindingSystem.Distance.cs

@@ -16,12 +16,25 @@ public sealed partial class PathfindingSystem
         return dx + dy;
     }
 
+    public float ManhattanDistance(Vector2i start, Vector2i end)
+    {
+        var distance = end - start;
+        return Math.Abs(distance.X) + Math.Abs(distance.Y);
+    }
+
     public float OctileDistance(PathPoly start, PathPoly end)
     {
         var (dx, dy) = GetDiff(start, end);
         return dx + dy + (1.41f - 2) * Math.Min(dx, dy);
     }
 
+    public float OctileDistance(Vector2i start, Vector2i end)
+    {
+        var diff = start - end;
+        var ab = Vector2.Abs(diff);
+        return ab.X + ab.Y + (1.41f - 2) * Math.Min(ab.X, ab.Y);
+    }
+
     private Vector2 GetDiff(PathPoly start, PathPoly end)
     {
         var startPos = start.Box.Center;