key inv display

kiln-core/src/game.rs

@@ -4,12 +4,56 @@ use crate::log::LogLine;
 use crate::script::ScriptHost;
 use crate::utils::{Direction, ObjectId, Player, ScriptArg};
 use crate::world::World;
+use color::Rgba8;
 use std::cell::{Ref, RefMut};
 use std::time::Duration;
 
 /// How long a `say()` speech bubble stays on screen, in seconds.
 pub const SAY_DURATION: f64 = 3.0;
 
+/// The player's key inventory: one boolean per key color.
+///
+/// Each field is `true` when the player holds a key of that color. Use
+/// [`colors`](Keyring::colors) to iterate all eight in display order, each
+/// paired with its [`Rgba8`] color for rendering.
+#[derive(Copy, Clone, Default)]
+pub struct Keyring {
+    /// Blue key.
+    pub blue: bool,
+    /// Green key.
+    pub green: bool,
+    /// Cyan key.
+    pub cyan: bool,
+    /// Red key.
+    pub red: bool,
+    /// Purple key.
+    pub purple: bool,
+    /// Orange key (custom color, not in the standard EGA palette).
+    pub orange: bool,
+    /// Yellow key.
+    pub yellow: bool,
+    /// White key.
+    pub white: bool,
+}
+
+impl Keyring {
+    /// Returns all eight keys in display order, each paired with its color.
+    ///
+    /// Order: blue, green, cyan, red, purple, orange, yellow, white.
+    pub fn colors(&self) -> [(bool, Rgba8); 8] {
+        [
+            (self.blue,   Rgba8 { r: 0x00, g: 0x00, b: 0xAA, a: 255 }),
+            (self.green,  Rgba8 { r: 0x00, g: 0xAA, b: 0x00, a: 255 }),
+            (self.cyan,   Rgba8 { r: 0x00, g: 0xAA, b: 0xAA, a: 255 }),
+            (self.red,    Rgba8 { r: 0xAA, g: 0x00, b: 0x00, a: 255 }),
+            (self.purple, Rgba8 { r: 0xAA, g: 0x00, b: 0xAA, a: 255 }),
+            (self.orange, Rgba8 { r: 0xFF, g: 0x88, b: 0x00, a: 255 }),
+            (self.yellow, Rgba8 { r: 0xFF, g: 0xFF, b: 0x55, a: 255 }),
+            (self.white,  Rgba8 { r: 0xFF, g: 0xFF, b: 0xFF, a: 255 }),
+        ]
+    }
+}
+
 // Re-export ScrollLine so kiln-tui can pattern-match scroll content without
 // accessing the private `action` module directly.
 pub use crate::action::ScrollLine;
@@ -74,6 +118,8 @@ pub struct GameState {
     /// [`player_health`](GameState::player_health); starts at `0` and is
     /// display-only for now.
     pub player_gems: u32,
+    /// The player's key inventory. Game-global; persists across board transitions.
+    pub player_keys: Keyring,
 }
 
 impl GameState {
@@ -102,6 +148,8 @@ impl GameState {
             board_transition: None,
             player_health: 5,
             player_gems: 0,
+            // Test starting keys: red, green, orange, white.
+            player_keys: Keyring { red: true, green: true, orange: true, white: true, ..Default::default() },
         };
         state.drain_errors();
         state

kiln-tui/src/editor.rs

@@ -100,6 +100,10 @@ impl EditorState {
     /// Builds an editor session for `world`, starting on its designated start board.
     pub(crate) fn new(world: World) -> Self {
         let board_name = world.start.clone();
+        let cursor = {
+            let b = world.boards[&board_name].borrow();
+            (b.width as i32 / 2, b.height as i32 / 2)
+        };
         Self {
             world,
             board_name,
@@ -107,7 +111,7 @@ impl EditorState {
             dialog: None,
             code_editor: None,
             glyph_dialog: None,
-            cursor: (0, 0),
+            cursor,
             current_archetype: Archetype::Wall,
             current_glyph: Archetype::Wall.default_glyph(),
             draw_mode: false,

kiln-tui/src/main.rs

@@ -342,7 +342,7 @@ fn draw_play(frame: &mut Frame, game: &GameState, ui: &mut Ui) {
                 .spacing(Spacing::Overlap(1))
                 .areas(frame.area());
         frame.render_widget(
-            StatusSidebarWidget::new(game.player_health - 2, game.player_gems),
+            StatusSidebarWidget::new(game.player_health - 2, game.player_gems, game.player_keys),
             sidebar_area,
         );
         rest

kiln-tui/src/status.rs

@@ -5,7 +5,9 @@
 //! presentational: it reads `health`/`gems` values handed in at construction and
 //! never mutates game state.
 
+use std::collections::VecDeque;
 use crate::utils::rgba8_to_color;
+use kiln_core::game::Keyring;
 use kiln_core::{Archetype, Builtin};
 use kiln_core::cp437::tile_to_char;
 use ratatui::buffer::Buffer;
@@ -24,19 +26,22 @@ const HEART_EMPTY: Color = Color::Rgb(90, 0, 0);
 
 /// A ratatui widget that renders the play-mode status sidebar.
 ///
-/// Shows a `Health:` label above a row of [`MAX_HEARTS`] heart glyphs (the first
-/// `health` filled bright red, the rest dark red) and a `Gems: ♦ N` line.
+/// Shows a `Health:` label above a row of [`MAX_HEARTS`] heart glyphs, a
+/// `Gems: ♦ N` line, and a `Keys:` row of 8 `♀` glyphs colored when held
+/// and dark gray when absent.
 pub struct StatusSidebarWidget {
     /// The player's current health, clamped to [`MAX_HEARTS`] when drawn.
     health: u32,
     /// The number of gems collected, shown as a count.
     gems: u32,
+    /// The player's key inventory.
+    keys: Keyring,
 }
 
 impl StatusSidebarWidget {
     /// Builds a sidebar widget for the given player stats.
-    pub fn new(health: u32, gems: u32) -> Self {
-        Self { health, gems }
+    pub fn new(health: u32, gems: u32, keys: Keyring) -> Self {
+        Self { health, gems, keys }
     }
 }
 
@@ -58,6 +63,22 @@ impl Widget for StatusSidebarWidget {
         let gem_char = tile_to_char(gem_glyph.tile).to_string();
         let gem_style = Style::default().fg(rgba8_to_color(gem_glyph.fg));
 
+        // Build the key row: 8 ♀ glyphs, colored when held, near-black when absent.
+        let mut key_spans: VecDeque<_> = self
+            .keys
+            .colors()
+            .iter()
+            .filter_map(|(held, color)| {
+                if *held {
+                    let fg = rgba8_to_color(*color);
+                    Some(Span::styled("♀", Style::default().fg(fg)))
+                } else {
+                    None
+                }
+            })
+            .collect();
+        key_spans.push_front(Span::raw("Keys: "));
+
         let lines = vec![
             Line::from("Health:"),
             Line::from(hearts),
@@ -67,6 +88,8 @@ impl Widget for StatusSidebarWidget {
                 Span::styled(gem_char, gem_style),
                 Span::raw(format!("{}", self.gems)),
             ]),
+            Line::from(""),
+            Line::from_iter(key_spans.into_iter()),
         ];
 
         // A bordered block; `merge_borders` joins its right edge with the board