Board layers

kiln-tui/src/ui.rs

@@ -107,13 +107,21 @@ impl Ui {
             return; // no mode tick during any animation (even when just ended)
         }
 
+        // The game only advances during normal play (InputMode::Board). While a
+        // scroll or menu overlay is open the input mode is Scroll/Menu, so the game
+        // is paused — otherwise `game.tick` would call `handle_scroll`, clearing the
+        // scroll the instant its open animation finished.
+        let input_mode = crate::input::current_input_mode(mode, self);
         match mode {
-            // Play: tick the game, then check whether a scroll overlay appeared.
+            // Play: tick the game (only in Board mode), then check whether a scroll
+            // overlay appeared as a result of this tick.
             Mode::Play(game) => {
-                game.tick(dt);
-                if let Some(scroll) = &game.active_scroll {
-                    let lines = scroll.lines.clone();
-                    self.active_animation = Some(Box::new(ScrollOpenAnimation::new(lines)));
+                if matches!(input_mode, crate::input::InputMode::Board) {
+                    game.tick(dt);
+                    if let Some(scroll) = &game.active_scroll {
+                        let lines = scroll.lines.clone();
+                        self.active_animation = Some(Box::new(ScrollOpenAnimation::new(lines)));
+                    }
                 }
             }
             // Edit: only the cursor blink advances; the game does not exist here.