playtest mode

kiln-tui/src/ui.rs

@@ -4,6 +4,7 @@ use std::time::Duration;
 use kiln_core::Board;
 use kiln_core::game::GameState;
 use crate::animation::Animation;
+use crate::editor::EditorState;
 use crate::log::LogState;
 use crate::menu::{MenuItem, MenuCloseAnimation, MenuOpenAnimation, MenuState};
 use crate::mode::{Mode, PendingMode};
@@ -35,6 +36,14 @@ pub(crate) struct Ui {
     /// Set by a menu action to request a Play↔Edit switch; applied by the run loop
     /// (which owns [`world_path`](Ui::world_path) and can run the world reload).
     pub(crate) pending_mode: Option<PendingMode>,
+    /// The editor parked while a **playtest** runs. `Some` exactly while the current
+    /// [`Mode::Play`](crate::mode::Mode::Play) is a playtest launched from the editor
+    /// (see [`EditorState::playtest`]); the run loop restores it on exit. Doubles as
+    /// the "am I playtesting?" flag for `Esc` handling and the title cue.
+    pub(crate) suspended_editor: Option<EditorState>,
+    /// Set when `Esc` is pressed during a playtest, signalling the run loop to drop the
+    /// playtest game and restore [`suspended_editor`](Ui::suspended_editor).
+    pub(crate) exit_playtest: bool,
 }
 
 impl Default for Ui {
@@ -48,6 +57,8 @@ impl Default for Ui {
             should_quit: false,
             world_path: String::new(),
             pending_mode: None,
+            suspended_editor: None,
+            exit_playtest: false,
         }
     }
 }