#16: Output route information before departure.

src/railnetwork/apis/railnetwork

@@ -179,9 +179,9 @@ function RailNetwork:findRoute(trip)
         local distance = edge.distance or 1
         if edge.tags and trip.tags then
             for tag, weight in pairs(edge.tags) do
-                if trip.tags[tag] then
+                if trip.tags[tag] == true then
                     distance = distance * weight
-                else
+                elseif trip.tags[tag] == false then
                     return math.huge
                 end
             end
@@ -194,11 +194,11 @@ function RailNetwork:findRoute(trip)
     end
     if not locationsMatch(trip.origin, originNode) then
         -- Add an edge for the segment between the origin and the first location in the network.
-        table.insert(path, 1, {destination = formatLocation(originNode)})
+        table.insert(path, 1, {edge = {destination = formatLocation(originNode)}, weight = 1})
     end
     if not locationsMatch(trip.destination, destinationNode) then
         -- Add an edge for the segment between the last location in the network and the final destination.
-        table.insert(path, {destination = formatLocation(trip.destination)})
+        table.insert(path, {edge = {destination = formatLocation(trip.destination)}, weight = 1})
     end
     return path
 end

src/railrouter/startup

@@ -148,7 +148,7 @@ function minecartDetected(detection)
 		return
 	end
 
-	local switchState = edge.switchState or false
+	local switchState = edge.edge.switchState or false
 	log.info(string.format("Setting switch %i to %s", detection.switchId, tostring(switchState)))
 	net.sendMessage(switch.computerId, "setSwitch", {state = switchState})
 end

src/railstation/.manifest

@@ -7,6 +7,7 @@
 		{name = "wire"},
 		{name = "minecartevents"},
 		{name = "input"},
+		{name = "graph"},
 		{name = "railnetwork"},
 		{name = "autostartup"},
 		{name = "amber-autoupdater"}

src/railstation/startup

@@ -4,6 +4,7 @@ os.loadAPI("apis/serializer")
 os.loadAPI("apis/wire")
 os.loadAPI("apis/minecartevents")
 os.loadAPI("apis/input")
+os.loadAPI("apis/graph")
 os.loadAPI("apis/railnetwork")
 os.loadAPI("apis/autostartup")
 os.loadAPI("apis/autoupdater")
@@ -58,8 +59,10 @@ function selectDepartureRoute(trip)
 		table.insert(routeOptions, tags)
 	end
 	if #routeOptions == 1 then
-		print(string.format("Only one route to %s; preparing departure: %s", 
-			railnetwork.formatLocation(trip.destination), formatRouteTags(routeOptions[1])))
+		local key, route = next(trip.routes)
+		print(string.format("Only one route to %s (%s); preparing departure: %s", 
+			railnetwork.formatLocation(trip.destination), formatRouteTags(routeOptions[1]),
+			graph.formatPath(railnetwork.formatLocation(trip.origin), route)))
 		trip.routes = nil
 		handleDeparture(trip)
 		return
@@ -74,6 +77,7 @@ function selectDepartureRoute(trip)
 	end
 	trip.routes = nil
 	trip.tags = selected[1]
+	print(string.format("Preparing departure: %s", graph.formatPath(railnetwork.formatLocation(trip.origin), trip.routes[selected])))
 	handleDeparture(trip)
 end