Performance metrics on screen and some keybindings

src/cli.rs

@@ -1,4 +1,5 @@
 use clap::Parser;
+use macroquad::texture::FilterMode;
 
 #[derive(Parser, Debug)]
 #[command(author, version, about, long_about = None)]
@@ -30,4 +31,6 @@ pub struct Cli {
         help = "Output performance metrics"
     )]
     pub verbose: bool,
+    #[arg(long, short, default_value_t = false, help = "Filter")]
+    pub linear_filtering: bool,
 }

src/main.rs

@@ -18,6 +18,7 @@ const FRAMETIME: Duration = Duration::from_nanos((1000000000. / 30.) as u64);
 
 fn window_conf() -> Conf {
     let cli = Cli::parse();
+    if cli.fullscreen {}
 
     Conf {
         window_title: "SVC16".to_owned(),
@@ -30,17 +31,22 @@ fn window_conf() -> Conf {
 }
 #[macroquad::main(window_conf)]
 async fn main() -> Result<()> {
-    let cli = Cli::parse();
+    let mut cli = Cli::parse();
 
     let mut buffer = [Color::from_rgba(255, 255, 255, 255); 256 * 256];
     let texture = Texture2D::from_image(&Image::gen_image_color(256, 256, BLACK));
-    texture.set_filter(FilterMode::Nearest);
+    if cli.linear_filtering {
+        texture.set_filter(FilterMode::Linear);
+    } else {
+        texture.set_filter(FilterMode::Nearest);
+    }
 
     let mut image = Image::gen_image_color(256, 256, Color::from_rgba(0, 0, 0, 255));
     let mut raw_buffer = [0 as u16; 256 * 256];
     let initial_state = read_u16s_from_file(&cli.program)?;
     let mut engine = Engine::new(initial_state.clone());
     let mut paused = false;
+    let mut ipf = 0;
     #[cfg(feature = "gamepad")]
     let mut gilrs = match Gilrs::new() {
         Ok(g) => g,
@@ -59,29 +65,38 @@ async fn main() -> Result<()> {
             engine = Engine::new(initial_state.clone());
             paused = false;
         }
-
-        let mut ipf = 0;
-        let engine_start = Instant::now();
-        while !engine.wants_to_sync() && ipf <= MAX_IPF && !paused {
-            engine.step()?;
-            ipf += 1;
+        if is_key_pressed(KeyCode::V) {
+            cli.verbose = !cli.verbose;
         }
-        #[cfg(feature = "gamepad")]
-        while let Some(event) = gilrs.next_event() {
-            gilrs.update(&event);
+        if is_key_pressed(KeyCode::C) {
+            cli.cursor = !cli.cursor;
         }
 
-        let _engine_elapsed = engine_start.elapsed();
-        #[cfg(not(feature = "gamepad"))]
-        let (mpos, keycode) = get_input_code_no_gamepad();
-        #[cfg(feature = "gamepad")]
-        let (mpos, keycode) = get_input_code_gamepad(&gilrs);
-        engine.perform_sync(mpos, keycode, &mut raw_buffer);
-        update_image_buffer(&mut buffer, &raw_buffer);
-        image.update(&buffer);
-        texture.update(&image);
+        if !paused {
+            ipf = 0;
+            let engine_start = Instant::now();
+            while !engine.wants_to_sync() && ipf <= MAX_IPF {
+                engine.step()?;
+                ipf += 1;
+            }
+            #[cfg(feature = "gamepad")]
+            while let Some(event) = gilrs.next_event() {
+                gilrs.update(&event);
+            }
+
+            let _engine_elapsed = engine_start.elapsed();
+            #[cfg(not(feature = "gamepad"))]
+            let (mpos, keycode) = get_input_code_no_gamepad();
+            #[cfg(feature = "gamepad")]
+            let (mpos, keycode) = get_input_code_gamepad(&gilrs);
+            engine.perform_sync(mpos, keycode, &mut raw_buffer);
+            update_image_buffer(&mut buffer, &raw_buffer);
+            image.update(&buffer);
+            texture.update(&image);
+        }
         clear_background(BLACK);
         let layout = Layout::generate();
+
         if layout.cursor_in_window() {
             show_mouse(cli.cursor);
         } else {
@@ -99,11 +114,32 @@ async fn main() -> Result<()> {
                 ..Default::default()
             },
         );
+        if cli.verbose {
+            draw_rectangle(
+                layout.x + 0.005 * layout.size,
+                layout.y + 0.01 * layout.size,
+                0.25 * layout.size,
+                layout.font_size,
+                Color::from_rgba(0, 0, 0, 200),
+            );
+
+            draw_text(
+                &format!("{}", ipf),
+                layout.x + 0.01 * layout.size,
+                layout.font_y,
+                layout.font_size,
+                LIME,
+            );
+        }
 
         // Wait for the next frame
         let elapsed = start_time.elapsed();
         if elapsed < FRAMETIME {
             std::thread::sleep(FRAMETIME - elapsed);
+        } else {
+            if cli.verbose {
+                println!("Frame was not processed in time");
+            }
         }
         next_frame().await;
     }

src/ui.rs

@@ -3,11 +3,24 @@ pub struct Layout {
     pub x: f32,
     pub y: f32,
     pub size: f32,
+    pub font_y: f32,
+    pub font_size: f32,
 }
 impl Layout {
     pub fn generate() -> Self {
-        let (x, y, size) = place(screen_width(), screen_height());
-        Self { x, y, size }
+        let (width, height) = (screen_width(), screen_height());
+        let minsize = width.min(height);
+        let image_size = ((minsize / 256.).floor() * 256.).max(256.);
+        let x = (0. as f32).max((width - image_size) / 2.);
+        let y = (0. as f32).max((height - image_size) / 2.);
+        let font_y = y + image_size / 15.;
+        Self {
+            x,
+            y,
+            size: image_size,
+            font_y,
+            font_size: image_size / 15.,
+        }
     }
     pub fn clamp_mouse(&self) -> (f32, f32) {
         let (raw_x, raw_y) = mouse_position();
@@ -23,19 +36,3 @@ impl Layout {
             && mp.1 < (self.y + self.size)
     }
 }
-
-fn place(width: f32, height: f32) -> (f32, f32, f32) {
-    let minsize = width.min(height);
-    if minsize >= 256. {
-        let image_size = (minsize / 256.).floor() * 256.;
-        let startx = (width - image_size) / 2.;
-        let starty = (height - image_size) / 2.;
-        return (startx, starty, image_size);
-    } else {
-        let power_two = minsize.log2().floor() as u32;
-        let image_size = (2 as usize).pow(power_two) as f32;
-        let startx = (width - image_size) / 2.;
-        let starty = (height - image_size) / 2.;
-        (startx, starty, image_size)
-    }
-}