Basic input and menu

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+bracket-lib = "0.8.1" # Meta-crate holding the entirety of bracket-lib (and exposing it). Use this for the full r...

src/main.rs

@@ -1,3 +1,71 @@
-fn main() {
-    println!("Hello, world!");
+#![warn(clippy::all, clippy::pedantic)]
+
+use bracket_lib::prelude::*;
+
+struct State {
+    mode: GameMode
+}
+
+enum GameMode {
+    Menu,
+    Playing,
+    Dead,
+}
+
+impl State {
+    fn new() -> Self {
+        State {
+            mode: GameMode::Menu,
+        }
+    }
+
+    fn menu(&mut self, ctx: &mut BTerm) {
+        ctx.cls();
+        ctx.print_centered(5, "Welcome to Flappy Dragon");
+        ctx.print_centered(8, "(P) Play");
+        ctx.print_centered(9, "(Q) Quit");
+
+        if let Some(key) = ctx.key {
+            match key {
+                VirtualKeyCode::P => self.restart(),
+                VirtualKeyCode::Q => ctx.quitting = true,
+                _ => {},
+            }
+        }
+    }
+
+    fn restart(&mut self) {
+        self.mode = GameMode::Playing;
+    }
+
+    fn play(&mut self, ctx: &mut BTerm) {
+        ctx.cls();
+        ctx.print(1, 1, "Playing...");
+        self.mode = GameMode::Dead;
+    }
+
+    fn dead(&mut self, ctx: &mut BTerm) {
+        ctx.cls();
+        ctx.print(1, 1, "You died!");
+        self.mode = GameMode::Menu;
+    }
+}
+
+impl GameState for State {
+    fn tick(&mut self, ctx: &mut BTerm) {
+        match self.mode {
+            GameMode::Menu => self.menu(ctx),
+            GameMode::Playing => self.play(ctx),
+            GameMode::Dead => self.dead(ctx),
+        }
+    }
+}
+
+fn main() {
+    let ctx = BTermBuilder::simple80x50()
+        .with_title("Flappy Dragon")
+        .build()
+        .unwrap();
+
+    main_loop(ctx, State::new()).unwrap();
 }