Made speedtype any generic.

Will use any connection (highway), and return the same speed for all highways.

API/Program.cs

@@ -37,7 +37,7 @@ app.MapGet("/getRouteTime", (float latStart, float lonStart, float latEnd, float
 app.MapGet("/getClosestNode", (float lat, float lon) =>
 {
     RegionManager regionManager = new RegionManager("D:/stuttgart-regbez-latest");
-    return regionManager.ClosestNodeToCoordinates(new Coordinates(lat, lon), Tag.SpeedType.road);
+    return regionManager.ClosestNodeToCoordinates(new Coordinates(lat, lon), Tag.SpeedType.any);
 });
 
 // Configure the HTTP request pipeline.

OSMDatastructure/Tag.cs

@@ -163,5 +163,5 @@ public class Tag
     public enum WayType : byte { NONE, motorway, trunk, primary, secondary, tertiary, unclassified, residential, motorway_link, trunk_link, primary_link, secondary_link, tertiary_link, living_street, service, pedestrian, track, bus_guideway, escape, raceway, road, busway, footway, bridleway, steps, corridor, path, cycleway, construction }
     // ReSharper restore InconsistentNaming
 
-    public enum SpeedType { pedestrian, car, road }
+    public enum SpeedType { pedestrian, car, any }
 }

Pathfinding/PathNode.cs

@@ -7,10 +7,11 @@ namespace Pathfinding;
 public class PathNode : OsmNode
 {
     [JsonInclude]public new double directDistanceToGoal = double.MaxValue;
+    [JsonInclude]public double directDistanceDelta = double.MaxValue;
     [JsonInclude]public new double currentPathLength = double.MaxValue;
-    [JsonInclude]public double distanceBetweenNodes = double.MaxValue;
+    [JsonInclude]public double pathDistanceDelta = double.MaxValue;
     [JsonInclude]public new double currentPathWeight = double.MaxValue;
-    [JsonInclude]public double weightBetweenNodes = double.MaxValue;
+    [JsonInclude]public double pathWeightDelta = double.MaxValue;
     [JsonInclude]public Dictionary<string, string> tags = new();
 
     public PathNode(ulong nodeId, float lat, float lon) : base(nodeId, lat, lon)
@@ -21,7 +22,7 @@ public class PathNode : OsmNode
     {
     }
 
-    public static PathNode? FromOsmNode(OsmNode? node, HashSet<Tag>? tags, double distance, double weight)
+    public static PathNode? FromOsmNode(OsmNode? node, HashSet<Tag>? tags, double pathDistanceDelta, double pathWeightDelta, double directDistanceDelta)
     {
         if (node is null)
             return null;
@@ -30,8 +31,9 @@ public class PathNode : OsmNode
             currentPathLength = node.currentPathLength,
             currentPathWeight = double.IsPositiveInfinity(node.currentPathWeight) ? double.MaxValue : node.currentPathWeight,
             directDistanceToGoal = node.directDistanceToGoal,
-            distanceBetweenNodes = distance,
-            weightBetweenNodes = weight
+            directDistanceDelta = directDistanceDelta,
+            pathDistanceDelta = pathDistanceDelta,
+            pathWeightDelta = pathWeightDelta
         };
         if (tags != null)
             foreach (Tag tag in tags)

Pathfinding/Pathfinder.cs

@@ -9,8 +9,8 @@ public static partial class Pathfinder
     private static ValueTuple<OsmNode?, OsmNode?> SetupNodes(Coordinates startCoordinates, Coordinates goalCoordinates, RegionManager regionManager )
     {
         ValueTuple<OsmNode?, OsmNode?> retTuple = new();
-        retTuple.Item1 = regionManager.ClosestNodeToCoordinates(startCoordinates, Tag.SpeedType.road);
-        retTuple.Item2 = regionManager.ClosestNodeToCoordinates(goalCoordinates, Tag.SpeedType.road);
+        retTuple.Item1 = regionManager.ClosestNodeToCoordinates(startCoordinates, Tag.SpeedType.any);
+        retTuple.Item2 = regionManager.ClosestNodeToCoordinates(goalCoordinates, Tag.SpeedType.any);
         if (retTuple.Item1 is null || retTuple.Item2 is null)
             return retTuple;
         retTuple.Item1.currentPathWeight = 0;
@@ -38,17 +38,20 @@ public static partial class Pathfinder
         while (currentNode is not null)
         {
             HashSet<Tag>? tags = null;
-            double distance = 0;
-            double weight = 0;
+            double pathDistanceDelta = 0;
+            double pathWeightDelta = 0;
+            double directDistanceDelta = 0;
             if (currentNode.previousPathNode is not null)
             {
                 OsmEdge edge = currentNode.previousPathNode!.edges.First(e => e.neighborId.Equals(currentNode.nodeId));
                 tags = regionManager.GetRegion(currentNode.coordinates)!.tagManager.GetTagsForWayId(edge.wayId);
-                distance = currentNode.currentPathLength - currentNode.previousPathNode.currentPathLength;
-                weight = currentNode.currentPathWeight - currentNode.previousPathNode.currentPathWeight;
+                pathDistanceDelta = currentNode.currentPathLength - currentNode.previousPathNode.currentPathLength;
+                pathWeightDelta = currentNode.currentPathWeight - currentNode.previousPathNode.currentPathWeight;
+                directDistanceDelta =
+                    currentNode.directDistanceToGoal - currentNode.previousPathNode.directDistanceToGoal;
             }
 
-            PathNode? pn = PathNode.FromOsmNode(currentNode, tags, distance, weight);
+            PathNode? pn = PathNode.FromOsmNode(currentNode, tags, pathDistanceDelta, pathWeightDelta, directDistanceDelta);
             if(pn is not null)
                 path.Add(pn!);
             currentNode = currentNode.previousPathNode;

Pathfinding/RegionManager.cs

@@ -74,6 +74,8 @@ namespace Pathfinding
 
         public bool TestValidConnectionForType(OsmNode node1, OsmEdge edge, Tag.SpeedType type)
         {
+            if (type == Tag.SpeedType.any)
+                return true;
             double speed = GetSpeedForEdge(node1, edge.wayId, type);
             if (speed != 0)
                 return true;
@@ -89,13 +91,18 @@ namespace Pathfinding
                 return null;
             foreach (OsmNode node in region.nodes)
             {
-                bool hasConnectionUsingVehicle = false;
-                foreach (OsmEdge edge in node.edges)
+                bool hasConnectionUsingVehicle = true;
+                if (vehicle is not Tag.SpeedType.any)
                 {
-                    double speed = GetSpeedForEdge(node, edge.wayId, vehicle);
-                    if (speed != 0)
-                        hasConnectionUsingVehicle = true;
+                    hasConnectionUsingVehicle = false;
+                    foreach (OsmEdge edge in node.edges)
+                    {
+                        double speed = GetSpeedForEdge(node, edge.wayId, vehicle);
+                        if (speed != 0)
+                            hasConnectionUsingVehicle = true;
+                    }
                 }
+                
                 double nodeDistance = Utils.DistanceBetween(node, coordinates);
                 if (nodeDistance < distance && hasConnectionUsingVehicle)
                 {
@@ -119,7 +126,6 @@ namespace Pathfinding
                         return speed;
                     return 0;
                 case Tag.SpeedType.car: 
-                case Tag.SpeedType.road:
                     byte? maxSpeed = (byte?)tags.GetTag(wayId, Tag.TagType.maxspeed);
                     if (maxSpeed is not null)
                         return (double)maxSpeed;
@@ -127,6 +133,8 @@ namespace Pathfinding
                     if(maxSpeed is not 0)
                         return (byte)maxSpeed;
                     return 0;
+                case Tag.SpeedType.any:
+                    return 1;
                 default:
                     return 0;
             }