Datastructure rewrite

Pathfinding/RegionManager.cs

@@ -1,4 +1,5 @@
 using OSMDatastructure;
+using Pathfinding;
 
 namespace OSMImporter
 {
@@ -59,23 +60,9 @@ namespace OSMImporter
             return ByteConverter.ToRegion(regionBytes);
         }
 
-        public Node? GetNode(ulong id)
+        public OsmNode? GetNode(Coordinates coordinates)
         {
-            foreach (Region region in this._regions.Values)
-            {
-                Node? node = region.GetNode(id);
-                if (node != null)
-                    return node;
-            }
-
-            return null;
-        }
-
-        public Node? GetNode(Coordinates coordinates)
-        {
-            Region? regionWithNode = GetRegion(coordinates);
-            if (regionWithNode == null)
-                return null;//TODO null handling
+            Region regionWithNode = GetRegion(coordinates);
             return regionWithNode.GetNode(coordinates);
         }
     }