displaying names for more roads

docs/TODO_game.md

@@ -5,6 +5,7 @@
 		- need intersection merging before this is understandable
 	- close interior neighborhoods to most cars (except for src/dst), see how traffic restricted to arterials would work
 		- puzzle: with only X miles of retained road, where would you leave them? what roads would go away?
+		- parking garages on the edges of neighborhoods?
 	- create a bike network with minimal hills, dedicated roads, minimal crossings
 
 - easter eggs

map_model/src/make/half_map.rs

@@ -126,6 +126,12 @@ pub fn make_half_map(
                 bus_stops: Vec::new(),
             });
         }
+        if road.get_name() == "???" {
+            timer.warn(format!(
+                "{} has no name. Tags: {:?}",
+                road.id, road.osm_tags
+            ));
+        }
         half_map.roads.push(road);
     }
 

map_model/src/road.rs

@@ -333,9 +333,29 @@ impl Road {
     }
 
     pub fn get_name(&self) -> String {
-        self.osm_tags
-            .get("name")
-            .unwrap_or(&"???".to_string())
-            .to_string()
+        if let Some(name) = self.osm_tags.get("name") {
+            return name.to_string();
+        }
+        if let Some(name) = self.osm_tags.get("ref") {
+            return name.to_string();
+        }
+        if self
+            .osm_tags
+            .get("highway")
+            .map(|hwy| hwy.ends_with("_link"))
+            .unwrap_or(false)
+        {
+            if let Some(name) = self.osm_tags.get("destination:street") {
+                return format!("Exit for {}", name);
+            }
+            if let Some(name) = self.osm_tags.get("destination:ref") {
+                return format!("Exit for {}", name);
+            }
+            if let Some(name) = self.osm_tags.get("destination") {
+                return format!("Exit for {}", name);
+            }
+            // Sometimes 'directions' is filled out, but incorrectly...
+        }
+        "???".to_string()
     }
 }