From e954cacdb56b42e4cb2561b4e1dd7dd44de9c44e Mon Sep 17 00:00:00 2001
From: Emil <emil28092005@gmail.com>
Date: Sat, 20 Jun 2026 22:03:30 +0300
Subject: [PATCH] fix: add sleep to game loop, panic hook restores terminal

- 16ms sleep per frame prevents 100% CPU spin
- Panic hook restores terminal (disable raw mode, leave alternate screen)
  before printing panic message, so errors are visible
- Remove debug eprintlns
---
 src/game.rs |  6 +++++-
 src/main.rs | 11 +++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/game.rs b/src/game.rs
index e6e5017..e1825d3 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -196,6 +196,8 @@ impl Game {
             }
 
             self.handle_input(vw, vh);
+
+            std::thread::sleep(std::time::Duration::from_millis(16));
         }
 
         if let Err(e) = renderer.shutdown() {
@@ -206,7 +208,9 @@ impl Game {
     pub fn handle_input(&mut self, vw: usize, vh: usize) {
         let action = self.input.poll();
         match action {
-            Action::Quit => self.running = false,
+            Action::Quit => {
+                self.running = false;
+            }
             Action::MoveLeft => self.player.move_left(&mut self.entities),
             Action::MoveRight => self.player.move_right(&mut self.entities),
             Action::Jump => {
diff --git a/src/main.rs b/src/main.rs
index 489ee18..4718cbd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -28,6 +28,17 @@ fn main() {
 
     match cli.mode.as_str() {
         "terminal" => {
+            std::panic::set_hook(Box::new(|info| {
+                let _ = crossterm::terminal::disable_raw_mode();
+                let _ = crossterm::execute!(
+                    std::io::stdout(),
+                    crossterm::style::ResetColor,
+                    crossterm::cursor::Show,
+                    crossterm::terminal::LeaveAlternateScreen,
+                    crossterm::event::DisableMouseCapture,
+                );
+                eprintln!("PANIC: {}", info);
+            }));
             let mut renderer = TerminalRenderer::new();
             let mut game = Game::new();
             game.run(&mut renderer);