final refactors

kiln-tui/src/input.rs

@@ -1,7 +1,6 @@
 use ratatui::crossterm::event::{Event, KeyCode, MouseEventKind};
 use kiln_core::Direction;
 use kiln_core::game::{GameState, ScrollLine};
-use crate::resolve_choice;
 use crate::scroll_overlay::ScrollAnimState;
 use crate::ui::Ui;
 
@@ -50,6 +49,18 @@ pub(crate) fn handle_board_input(event: Event, log_open: bool, terminal_h: u16,
     false
 }
 
+/// Returns the choice string for the given key character, scanning the scroll lines.
+fn resolve_choice(lines: &[ScrollLine], c: char) -> Option<String> {
+    let mut letter = b'a';
+    for line in lines {
+        if let ScrollLine::Choice { choice, .. } = line {
+            if c == letter as char { return Some(choice.clone()); }
+            letter += 1;
+        }
+    }
+    None
+}
+
 /// Handles an input event in [`InputMode::Scroll`].
 pub(crate) fn handle_scroll_input(event: Event, game: &mut GameState, ui: &mut Ui) {
     match event {

kiln-tui/src/log.rs

@@ -13,7 +13,6 @@ use ratatui::widgets::{Block, Paragraph, StatefulWidget, Widget, Wrap};
 use crate::utils::rgba8_to_color;
 
 /// View state for the log panel.
-#[derive(Default)]
 pub struct LogState {
     /// Whether the log panel is currently open.
     pub open: bool,
@@ -23,10 +22,16 @@ pub struct LogState {
     pub scroll: u16,
 }
 
+impl Default for LogState {
+    fn default() -> Self {
+        Self { open: false, height: 10, scroll: 0 }
+    }
+}
+
 impl LogState {
     /// Creates a `LogState` with sensible defaults (closed, 10 rows tall).
     pub fn new() -> Self {
-        Self { open: false, height: 10, scroll: 0 }
+        Self::default()
     }
 
     /// Toggles the panel open or closed, resetting scroll to the top on open.

kiln-tui/src/main.rs

@@ -17,7 +17,7 @@ mod speech;
 mod ui;
 mod input;
 
-use kiln_core::game::{GameState, ScrollLine};
+use kiln_core::game::GameState;
 use kiln_core::log::LogLine;
 use kiln_core::map_file;
 use ratatui::Frame;
@@ -39,21 +39,6 @@ use crate::scroll_overlay::ScrollOverlayWidget;
 use crate::speech::SpeechBubblesWidget;
 use crate::ui::Ui;
 
-/// Returns the choice string for the given key character, or `None` if it doesn't
-/// match any choice in the scroll. Choices are assigned letters a, b, c… in order.
-fn resolve_choice(lines: &[ScrollLine], c: char) -> Option<String> {
-    let mut letter = b'a';
-    for line in lines {
-        if let ScrollLine::Choice { choice, .. } = line {
-            if c == letter as char {
-                return Some(choice.clone());
-            }
-            letter += 1;
-        }
-    }
-    None
-}
-
 /// Entry point: parse the map path, load the board, then run the play loop with
 /// the terminal in raw/alternate-screen mode (restored on every exit path).
 fn main() -> ExitCode {
@@ -173,8 +158,7 @@ fn run(
 /// A scroll overlay is drawn on top of everything when active.
 fn draw(frame: &mut Frame, game: &GameState, ui: &mut Ui) {
     // Borrow the board for the duration of the frame (no script runs during draw).
-    let board = game.board();
+    let board = &game.board();
-    let board = &*board;
 
     if ui.log.open {
         // Split the screen: board on top, log panel of `height` at the bottom.

kiln-tui/src/scroll_overlay.rs

@@ -15,6 +15,9 @@ use ratatui::widgets::{
     Widget, Wrap,
 };
 
+/// Duration of the open and close animations, in seconds.
+const ANIM_SECS: f32 = 0.25;
+
 /// Animation state for the scroll overlay window.
 #[derive(Default)]
 pub enum ScrollAnimState {
@@ -54,11 +57,11 @@ impl ScrollOverlayState {
     pub fn advance_anim(&mut self, dt: f32) {
         match &mut self.anim {
             Some(ScrollAnimState::Opening(p)) => {
-                *p += dt / 0.5;
+                *p += dt / ANIM_SECS;
                 if *p >= 1.0 { self.anim = Some(ScrollAnimState::Open); }
             }
             Some(ScrollAnimState::Closing(p)) => {
-                *p -= dt / 0.5;
+                *p -= dt / ANIM_SECS;
                 if *p <= 0.0 { self.anim = Some(ScrollAnimState::Done); }
             }
             _ => {}