init tui

src/tui/input.rs

@@ -0,0 +1,19 @@
+// use bevy::ecs::message::MessageReader;
+use bevy::app::AppExit;
+use bevy::prelude::*;
+use bevy_ratatui::crossterm::event::KeyCode;
+use bevy_ratatui::event::KeyMessage;
+
+pub(crate) fn input_system(
+    mut messages: MessageReader<KeyMessage>,
+    mut exit: MessageWriter<AppExit>,
+) {
+    for message in messages.read() {
+        match message.code {
+            KeyCode::Char('q') => {
+                exit.write_default();
+            }
+            _ => {}
+        }
+    }
+}

src/tui/mod.rs

@@ -0,0 +1,17 @@
+use bevy::prelude::*;
+use bevy_ratatui::RatatuiContext;
+
+use crate::tiles::Tile;
+
+pub(crate) mod input;
+
+pub(crate) use input::input_system;
+
+pub(crate) fn draw_system(mut context: ResMut<RatatuiContext>, query: Query<&Tile>) -> Result {
+    context.draw(|frame| {
+        let text = ratatui::text::Text::raw("tiny riichi");
+        frame.render_widget(text, frame.area());
+    })?;
+
+    Ok(())
+}