Initial commit

Basic skeleton

src/app.rs

@@ -0,0 +1,45 @@
+use sfml::{
+    graphics::{Color, RenderTarget, RenderWindow},
+    window::Event,
+};
+
+use crate::graphics;
+
+/// Application level state (includes game and ui state, etc.)
+pub struct App {
+    rw: RenderWindow,
+    should_quit: bool,
+}
+
+impl App {
+    pub fn new() -> Self {
+        Self {
+            rw: graphics::make_window(),
+            should_quit: false,
+        }
+    }
+
+    pub fn do_game_loop(&mut self) {
+        while !self.should_quit {
+            self.do_event_handling();
+            self.do_update();
+            self.do_rendering();
+        }
+    }
+
+    fn do_event_handling(&mut self) {
+        while let Some(ev) = self.rw.poll_event() {
+            match ev {
+                Event::Closed => self.should_quit = true,
+                _ => {}
+            }
+        }
+    }
+
+    fn do_update(&mut self) {}
+
+    fn do_rendering(&mut self) {
+        self.rw.clear(Color::BLACK);
+        self.rw.display();
+    }
+}