link to fixed windows build, and make a few small adjustments

README.md

@@ -5,7 +5,7 @@ road instead of a bus lane? A/B Street is a game exploring how small changes to
 a city affect the movement of drivers, cyclists, transit users, and pedestrians.
 
 - Play on
-  [Windows](https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_windows_v0_2_0c.zip),
+  [Windows](https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_windows_v0_2_0d.zip),
   [Mac](https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_mac_v0_2_0a.zip),
   [Linux](https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_linux_v0_2_0a.zip),
   or [read all instructions](docs/INSTRUCTIONS.md) (new releases every Sunday)

docs/INSTRUCTIONS.md

@@ -10,16 +10,11 @@ Grab a pre-built binary release -- updated every Sunday, announced at
 [r/abstreet](http://old.reddit.com/r/abstreet):
 
 - Windows:
-  https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_windows_v0_2_0c.zip
-  - If clicking buttons seems to be a bit off, might be
-    [this issue](https://github.com/dabreegster/abstreet/issues/65). Workaround
-    is to manually resize the window, then maximize again.
+  https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_windows_v0_2_0d.zip
   - If the game immediately crashes, it might be a
     [graphics card problem](https://github.com/dabreegster/abstreet/issues/79).
 - Mac:
   https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_mac_v0_2_0a.zip
-  - There are some issues with HiDPI Retina displays; please report any
-    problems.
 - Linux:
   https://github.com/dabreegster/abstreet/releases/download/v0.2.0a/abstreet_linux_v0_2_0a.zip
 

docs/dev.md

@@ -15,7 +15,7 @@ One-time setup:
 
 2.  Grab the minimal amount of data to get started: `cargo run --bin updater`.
 
-3.  Run the game: `cd game; cargo run --release`
+3.  Run the game: `cd game; RUST_BACKTRACE=1 cargo run --release`
 
 ## Development tips
 

ezgui/src/backend_glium.rs

@@ -68,18 +68,12 @@ pub fn setup(
     )
     .unwrap();
 
-    // TODO Should this be display.gl_window().window().inner_size()? I think some resize events
-    // always happen soon after startup, so it probably doesn't matter much. Changing this on Linux
-    // messes up the loading screen size (which happens before resize events get processed).
-    //
-    // But actually on Windows, maybe there isn't that initial spurt of resize events.
     let window_size = display.gl_window().window().inner_size();
-    let scale_factor = display.gl_window().window().scale_factor();
     println!(
         "Initial inner window size is {:?}, monitor is {:?}, scale factor is {}",
         window_size,
         event_loop.primary_monitor().size(),
-        scale_factor
+        display.gl_window().window().scale_factor()
     );
     (
         PrerenderInnards {

ezgui/src/backend_glow.rs

@@ -72,8 +72,14 @@ pub fn setup(
         );
     }
 
-    // TODO Once this is fixed in glium, do the same thing here
-    let window_size = event_loop.primary_monitor().size();
+    let window_size = windowed_context.window().inner_size();
+    println!(
+        "Initial inner window size is {:?}, monitor is {:?}, scale factor is {}",
+        window_size,
+        event_loop.primary_monitor().size(),
+        windowed_context.window().scale_factor()
+    );
+
     (
         PrerenderInnards {
             gl,

geom/src/polyline.rs

@@ -629,7 +629,7 @@ impl PolyLine {
 
         if let Some(idx) = self.lines().iter().position(|l| l.contains_pt(pt)) {
             let mut pts = self.pts.clone();
-            pts.split_off(idx + 1);
+            pts.truncate(idx + 1);
             // Make sure the last line isn't too tiny
             if *pts.last().unwrap() == pt {
                 pts.pop();

sim/src/mechanics/car.rs

@@ -93,6 +93,12 @@ impl Car {
                 i += 1;
             }
 
+            if result.len() < 2 {
+                panic!(
+                    "{} at {} has front at {}. Didn't even wind up with two points",
+                    self.vehicle.id, now, front
+                );
+            }
             PolyLine::new(result)
         };