actually spawning walking trips...

editor/src/plugins/debug/spawn_agent.rs

@@ -48,10 +48,10 @@ impl Plugin for SpawnAgent {
             SpawnAgent::Walking(ref raw_from, ref maybe_to) => {
                 let from = raw_from.clone();
                 if let Some(ID::Building(id)) = ctx.primary.current_selection {
+                    let map = &ctx.primary.map;
                     if maybe_to.as_ref().map(|(b, _)| *b != id).unwrap_or(true) {
                         *self = SpawnAgent::Walking(from, Some((id, None)));
 
-                        let map = &ctx.primary.map;
                         let start = map.get_b(from).front_path.sidewalk;
                         if let Some(path) = Pathfinder::shortest_distance(
                             map,
@@ -70,7 +70,10 @@ impl Plugin for SpawnAgent {
                     }
 
                     if ctx.input.contextual_action(Key::F3, "end the agent here") {
-                        // TODO spawn em
+                        info!(
+                            "Spawning {}",
+                            ctx.primary.sim.seed_trip_just_walking(from, id, map)
+                        );
                         return false;
                     }
                 } else {

sim/src/helpers.rs

@@ -213,6 +213,21 @@ impl Sim {
         )
     }
 
+    // TODO This is for tests and interactive UI; rename or move it?
+    pub fn seed_trip_just_walking(
+        &mut self,
+        from_bldg: BuildingID,
+        to_bldg: BuildingID,
+        map: &Map,
+    ) -> PedestrianID {
+        self.spawner.start_trip_just_walking(
+            self.time.next(),
+            SidewalkSpot::building(from_bldg, map),
+            SidewalkSpot::building(to_bldg, map),
+            &mut self.trips_state,
+        )
+    }
+
     pub fn seed_bus_route(&mut self, route: &BusRoute, map: &Map) -> Vec<CarID> {
         // TODO throw away the events? :(
         let mut events: Vec<Event> = Vec::new();

sim/src/spawn.rs

@@ -611,7 +611,7 @@ impl Spawner {
         start: SidewalkSpot,
         goal: SidewalkSpot,
         trips: &mut TripManager,
-    ) {
+    ) -> PedestrianID {
         let ped_id = PedestrianID(self.ped_id_counter);
         self.ped_id_counter += 1;
 
@@ -622,6 +622,7 @@ impl Spawner {
             start,
             goal,
         ));
+        ped_id
     }
 
     // Trip transitions