fix the contingency table filtering, make it easy to see scatter plot

diagonal, and get headless buildign again

ezgui/src/widgets/scatter_plot.rs

@@ -61,6 +61,11 @@ impl ScatterPlot {
                 geom::Line::new(Pt2D::new(x, 0.0), Pt2D::new(x, height)).make_polygons(thickness),
             );
         }
+        // Draw the diagonal, since we're comparing things on the same scale
+        batch.push(
+            Color::grey(0.5),
+            geom::Line::new(Pt2D::new(0.0, height), Pt2D::new(width, 0.0)).make_polygons(thickness),
+        );
 
         let circle = Circle::new(Pt2D::new(0.0, 0.0), Distance::meters(4.0)).to_polygon();
         for (b, a) in points {

game/src/sandbox/dashboards/summaries.rs

@@ -224,12 +224,7 @@ fn contingency_table(ctx: &mut EventCtx, app: &App, filter_changes_pct: Option<f
     let mut losses_per_bucket: Vec<(Duration, usize)> = std::iter::repeat((Duration::ZERO, 0))
         .take(num_buckets)
         .collect();
-    for (b, a) in app
-        .primary
-        .sim
-        .get_analytics()
-        .both_finished_trips(app.primary.sim.time(), app.prebaked())
-    {
+    for (b, a) in points {
         let before_mins = b.num_minutes_rounded_up();
         let raw_idx = endpts.iter().rev().position(|x| before_mins >= *x).unwrap();
         let mut idx = endpts.len() - 1 - raw_idx;

headless/src/main.rs

@@ -1,6 +1,6 @@
 use abstutil::{CmdArgs, Timer};
 use geom::Time;
-use sim::{GetDrawAgents, Scenario, SimFlags};
+use sim::{GetDrawAgents, ScenarioGenerator, SimFlags};
 
 fn main() {
     let mut args = CmdArgs::new();
@@ -20,10 +20,11 @@ fn main() {
         || sim_flags.load.starts_with(&abstutil::path_all_maps())
     {
         let s = if let Some(n) = num_agents {
-            Scenario::scaled_run(&map, n)
+            ScenarioGenerator::scaled_run(n)
         } else {
-            Scenario::small_run(&map)
-        };
+            ScenarioGenerator::small_run(&map)
+        }
+        .generate(&map, &mut rng, &mut timer);
         s.instantiate(&mut sim, &map, &mut rng, &mut timer);
     }
     timer.done();