more robust check for parsed ways

profiles/bicycle.lua

@@ -168,18 +168,18 @@ function way_function (way)
   (not man_made or man_made=='') and
   (not public_transport or public_transport=='')
   then
-    return 0
+    return
   end
 
   -- don't route on ways or railways that are still under construction
   if highway=='construction' or railway=='construction' then
-    return 0
+    return
   end
 
   -- access
   local access = Access.find_access_tag(way, access_tags_hierachy)
   if access_tag_blacklist[access] then
-    return 0
+    return
   end
 
   -- other tags
@@ -267,15 +267,18 @@ function way_function (way)
       if pedestrian_speeds[highway] then
         -- pedestrian-only ways and areas
         way.forward_speed = pedestrian_speeds[highway]
+        way.backward_speed = pedestrian_speeds[highway]
         way.forward_mode = mode_pushing
         way.backward_mode = mode_pushing
       elseif man_made and man_made_speeds[man_made] then
         -- man made structures
         way.forward_speed = man_made_speeds[man_made]
+        way.backward_speed = man_made_speeds[man_made]
         way.forward_mode = mode_pushing
         way.backward_mode = mode_pushing
       elseif foot == 'yes' then
         way.forward_speed = walking_speed
+        way.backward_speed = walking_speed
         way.forward_mode = mode_pushing
         way.backward_mode = mode_pushing
       elseif foot_forward == 'yes' then
@@ -308,6 +311,7 @@ function way_function (way)
     if impliedOneway then
       way.forward_mode = 0
       way.backward_mode = mode_normal
+      way.backward_speed = bicycle_speeds["cycleway"]
     end
   elseif cycleway_left and cycleway_tags[cycleway_left] and cycleway_right and cycleway_tags[cycleway_right] then
     -- prevent implied
@@ -315,10 +319,12 @@ function way_function (way)
     if impliedOneway then
       way.forward_mode = 0
       way.backward_mode = mode_normal
+      way.backward_speed = bicycle_speeds["cycleway"]
     end
   elseif cycleway_right and cycleway_tags[cycleway_right] then
     if impliedOneway then
       way.forward_mode = mode_normal
+      way.backward_speed = bicycle_speeds["cycleway"]
       way.backward_mode = 0
     end
   elseif oneway == "-1" then
@@ -372,8 +378,6 @@ function way_function (way)
 
   -- maxspeed
   MaxSpeed.limit( way, maxspeed, maxspeed_forward, maxspeed_backward )
-
-  return true
 end
 
 function turn_function (angle)

profiles/car.lua

@@ -192,23 +192,27 @@ function way_function (way)
     if highway_speed then
       if max_speed > highway_speed then
         way.forward_speed = max_speed
+        way.backward_speed = max_speed
         -- max_speed = math.huge
       else
         way.forward_speed = highway_speed
+        way.backward_speed = highway_speed
       end
     else
       -- Set the avg speed on ways that are marked accessible
       if access_tag_whitelist[access] then
         way.forward_speed = speed_profile["default"]
+        way.backward_speed = speed_profile["default"]
       end
     end
     if 0 == max_speed then
       max_speed = math.huge
     end
     way.forward_speed = min(way.forward_speed, max_speed)
+    way.backward_speed = min(way.backward_speed, max_speed)
   end
 
-  if -1 == way.forward_speed then
+  if -1 == way.forward_speed and -1 == way.backward_speed then
     return
   end
 
@@ -280,7 +284,6 @@ function way_function (way)
   if maxspeed_backward > 0 then
     way.backward_speed = way.backward_speed*speed_reduction
   end
-  return true
 end
 
 -- These are wrappers to parse vectors of nodes and ways and thus to speed up any tracing JIT

profiles/foot.lua

@@ -102,32 +102,32 @@ function node_function (node)
 end
 
 function way_function (way)
- 	-- initial routability check, filters out buildings, boundaries, etc
+	-- initial routability check, filters out buildings, boundaries, etc
 	local highway = way.tags:Find("highway")
 	local route = way.tags:Find("route")
 	local man_made = way.tags:Find("man_made")
 	local railway = way.tags:Find("railway")
 	local amenity = way.tags:Find("amenity")
 	local public_transport = way.tags:Find("public_transport")
-    if (not highway or highway == '') and
+	if (not highway or highway == '') and
 		(not route or route == '') and
 		(not railway or railway=='') and
 		(not amenity or amenity=='') and
 		(not man_made or man_made=='') and
-    	(not public_transport or public_transport=='')
-    	then
-    	return 0
+		(not public_transport or public_transport=='')
+		then
+		return
     end
 
     -- don't route on ways that are still under construction
     if highway=='construction' then
-        return 0
+        return
     end
 
 	-- access
     local access = Access.find_access_tag(way, access_tags_hierachy)
     if access_tag_blacklist[access] then
-		return 0
+		return
     end
 
 	local name = way.tags:Find("name")
@@ -164,25 +164,31 @@ function way_function (way)
 		if durationIsValid(duration) then
 			way.duration = math.max( 1, parseDuration(duration) )
 		else
-		 	way.forward_speed = route_speeds[route]
+			way.forward_speed = route_speeds[route]
+			way.backward_speed = route_speeds[route]
 		end
 		way.forward_mode = mode_ferry
 		way.backward_mode = mode_ferry
 	elseif railway and platform_speeds[railway] then
 		-- railway platforms (old tagging scheme)
 		way.forward_speed = platform_speeds[railway]
+		way.backward_speed = platform_speeds[railway]
 	elseif platform_speeds[public_transport] then
 		-- public_transport platforms (new tagging platform)
 		way.forward_speed = platform_speeds[public_transport]
+		way.backward_speed = platform_speeds[public_transport]
 	elseif amenity and amenity_speeds[amenity] then
 		-- parking areas
 		way.forward_speed = amenity_speeds[amenity]
+		way.backward_speed = amenity_speeds[amenity]
 	elseif speeds[highway] then
 		-- regular ways
-      	way.forward_speed = speeds[highway]
+		way.forward_speed = speeds[highway]
+		way.backward_speed = speeds[highway]
 	elseif access and access_tag_whitelist[access] then
 	    -- unknown way, but valid access tag
 		way.forward_speed = walking_speed
+		way.backward_speed = walking_speed
     end
 
 	-- oneway
@@ -202,6 +208,4 @@ function way_function (way)
             way.backward_speed  = math.min(way.backward_speed, surface_speed)
         end
     end
-
-    return true
 end

profiles/testbot.lua

@@ -118,6 +118,4 @@ function way_function (way)
   if junction == 'roundabout' then
     way.roundabout = true
   end
-
-  return true
 end