add mirror and marble sprites

src/main.rs

@@ -15,7 +15,7 @@ fn main() {
 		.build();
 	rl.set_target_fps(60);
 
-	let board = parse(&read_to_string("boards/counter.mbl").unwrap());
+	let board = parse(&read_to_string("boards/adder.mbl").unwrap());
 	let mut pos_offset = Vector2::zero();
 	let mut machine = marble_engine::Machine::new(board, "Vec::new()".bytes().collect());
 

src/marble_engine/tile.rs

@@ -101,11 +101,14 @@ impl Tile {
 	) {
 		let tex_name = match self {
 			Tile::Blank => "",
-			Tile::Block => "",
+			Tile::Block => "block",
 			Tile::Comment(_) => "",
-			Tile::Marble { value, dir } => "todo!()",
+			Tile::Marble { value: _, dir: _ } => "marble",
 			Tile::Digit(_) => "",
-			Tile::Mirror(_) => "",
+			Tile::Mirror(mirror) => match mirror {
+				MirrorType::Forward => "mirror_forward",
+				MirrorType::Back => "mirror_back",
+			},
 			Tile::Arrow(dir) => match dir {
 				Direction::Up => "up",
 				Direction::Down => "down",