prettify marble direction and value rendering

src/editor.rs

@@ -413,7 +413,7 @@ impl Editor {
 				.board()
 				.draw(d, textures, self.view_offset, self.zoom);
 			self.machine
-				.draw_marble_values(d, self.view_offset, self.zoom);
+				.draw_marble_values(d, textures, self.view_offset, self.zoom);
 		}
 	}
 
@@ -622,7 +622,7 @@ impl Editor {
 		draw_scaled_texture(d, textures.get("step"), 332, 4, 2.);
 
 		d.draw_text("spd", 368, 6, 10, Color::WHITE);
-		draw_usize(d, textures, (1 << self.sim_speed) as usize, 388, 4, 3, 1);
+		draw_usize(d, textures, 1 << self.sim_speed, 388, 4, 3, 1);
 		slider(d, &mut self.sim_speed, 0, 9, 368, 24, 48, 12);
 
 		draw_usize(d, textures, self.machine.step_count(), 420, 4, 5, 2);
@@ -876,7 +876,7 @@ impl Editor {
 						Tool::Math => format!("{}_off", self.tool_math.texture_name()),
 						Tool::Gate => format!("{}_off", self.tool_gate.texture_name()),
 						Tool::Wire => format!("{}_off", self.tool_wire.texture_name()),
-						Tool::Arrow => self.tool_arrow.arrow_texture_name().into(),
+						Tool::Arrow => self.tool_arrow.arrow_tile_texture_name().into(),
 						Tool::Mirror => self.tool_mirror.texture_name().into(),
 						Tool::Digits(_) => "selection".into(),
 						Tool::SelectArea(_, false) => "area_full".into(),

src/marble_engine.rs

@@ -7,6 +7,8 @@ use board::Board;
 use pos::*;
 use tile::*;
 
+use crate::{draw_usize_small, Textures};
+
 #[derive(Debug)]
 pub struct Machine {
 	board: Board,
@@ -66,35 +68,27 @@ impl Machine {
 		self.input = bytes;
 	}
 
-	pub fn draw_marble_values(&self, d: &mut RaylibDrawHandle, offset: Vector2, zoom: i32) {
+	pub fn draw_marble_values(
+		&self,
+		d: &mut RaylibDrawHandle,
+		textures: &Textures,
+		offset: Vector2,
+		zoom: i32,
+	) {
 		let tile_size = 16 << zoom;
 		for marble in &self.marbles {
 			let x = marble.x;
 			let y = marble.y;
 			if let Some(tile) = self.board.get(*marble) {
-				let px = x as i32 * tile_size + offset.x as i32 + tile_size / 2;
-				let py = y as i32 * tile_size + offset.y as i32 + tile_size / 2;
+				let px = x as i32 * tile_size + offset.x as i32;
+				let py = y as i32 * tile_size + offset.y as i32;
 				if let Tile::Marble { value, dir } = tile {
-					let fontsize = (zoom + 1) * 10;
-					d.draw_text(
-						&format!("{value}"),
-						px - tile_size / 2 + 2,
-						py - tile_size / 2 + 2,
-						fontsize,
-						Color::MAGENTA,
-					);
-					d.draw_text(
-						match dir {
-							Direction::Up => "^",
-							Direction::Down => "v",
-							Direction::Left => "<",
-							Direction::Right => ">",
-						},
-						px - tile_size / 2 + 2,
-						py - tile_size / 2 + fontsize,
-						fontsize,
-						Color::MAGENTA,
-					);
+					let scale = 1 << zoom;
+					let texture = textures.get(dir.arrow_texture_name());
+					let pos = Vector2::new(px as f32, py as f32);
+					let faded = Color::new(255, 255, 255, 100);
+					d.draw_texture_ex(texture, pos, 0., scale as f32, faded);
+					draw_usize_small(d, textures, value as usize, px, py, scale);
 				}
 			}
 		}
@@ -111,6 +105,10 @@ impl Machine {
 			}
 		}
 
+		if self.marbles.is_empty() {
+			return;
+		}
+
 		#[derive(Debug, Clone, Copy)]
 		enum Event {
 			Stay,

src/marble_engine/tile.rs

@@ -164,7 +164,7 @@ impl Tile {
 			Tile::Marble { value: _, dir: _ } => "marble",
 			Tile::Digit(n) => return format!("tile_digit_{n}"),
 			Tile::Mirror(mirror) => mirror.texture_name(),
-			Tile::Arrow(dir) => dir.arrow_texture_name(),
+			Tile::Arrow(dir) => dir.arrow_tile_texture_name(),
 			Tile::Powerable(tile, state) => {
 				let root = match tile {
 					PTile::Trigger => "trigger",
@@ -222,7 +222,7 @@ impl Direction {
 		pos
 	}
 
-	pub const fn arrow_texture_name(&self) -> &'static str {
+	pub const fn arrow_tile_texture_name(&self) -> &'static str {
 		match self {
 			Direction::Up => "arrow_up",
 			Direction::Down => "arrow_down",
@@ -230,6 +230,15 @@ impl Direction {
 			Direction::Right => "arrow_right",
 		}
 	}
+
+	pub const fn arrow_texture_name(&self) -> &'static str {
+		match self {
+			Direction::Up => "direction_up",
+			Direction::Down => "direction_down",
+			Direction::Left => "direction_left",
+			Direction::Right => "direction_right",
+		}
+	}
 }
 
 impl WireType {

src/util.rs

@@ -218,6 +218,36 @@ pub fn draw_usize(
 	}
 }
 
+pub fn draw_usize_small(
+	d: &mut RaylibDrawHandle,
+	textures: &Textures,
+	mut num: usize,
+	mut x: i32,
+	y: i32,
+	scale: u8,
+) {
+	const MAX_DIGITS: usize = 8;
+	let mut digits = [0u8; MAX_DIGITS];
+	let mut i = 0;
+	while (num != 0 || i == 0) && i < MAX_DIGITS {
+		digits[MAX_DIGITS - i - 1] = (num % 10) as u8;
+		num /= 10;
+		i += 1;
+	}
+	let texture = textures.get("digits_small");
+	for digit in (MAX_DIGITS - i)..MAX_DIGITS {
+		d.draw_texture_pro(
+			texture,
+			Rectangle::new(4. * digits[digit] as f32, 0., 4., 6.),
+			Rectangle::new(x as f32, y as f32, 4. * scale as f32, 6. * scale as f32),
+			Vector2::zero(),
+			0.,
+			Color::RED,
+		);
+		x += 4 * scale as i32;
+	}
+}
+
 pub fn slider(
 	d: &mut RaylibDrawHandle,
 	value: &mut u8,