clean up tile rendering

src/marble_engine.rs

@@ -1,5 +1,3 @@
-use std::collections::HashMap;
-
 use raylib::prelude::*;
 
 pub mod board;

src/marble_engine/board.rs

@@ -101,7 +101,14 @@ impl Board {
 				if let Some(tile) = self.get((x, y).into()) {
 					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;
-					tile.draw(d, textures, px, py, tile_size, zoom);
+					let texture = textures.get(&tile.texture()).unwrap_or_else(||textures.get("missing").unwrap());
+					d.draw_texture_ex(
+						texture,
+						Vector2::new((px - tile_size / 2) as f32, (py - tile_size / 2) as f32),
+						0.0,
+						(1 << zoom) as f32,
+						Color::WHITE,
+					);
 				}
 			}
 		}

src/marble_engine/tile.rs

@@ -1,7 +1,3 @@
-use std::collections::HashMap;
-
-use raylib::prelude::*;
-
 use super::board::Pos;
 
 pub type MarbleValue = u32;
@@ -84,17 +80,9 @@ impl Tile {
 		}
 	}
 
-	pub fn draw(
+	pub fn texture(&self) -> String {
-		&self,
+		match self {
-		d: &mut RaylibDrawHandle,
+			Tile::Blank => "transparent",
-		textures: &HashMap<String, Texture2D>,
-		x: i32,
-		y: i32,
-		size: i32,
-		zoom: i32,
-	) {
-		let tex_name = match self {
-			Tile::Blank => "",
 			Tile::Block => "block",
 			Tile::Marble { value: _, dir: _ } => "marble",
 			Tile::Digit(n) => match n {
@@ -121,7 +109,7 @@ impl Tile {
 				Direction::Right => "right",
 			},
 			Tile::Powerable(tile, state) => {
-				let t = match tile {
+				let root = match tile {
 					PTile::Trigger => "trigger",
 					PTile::Wire(wire) => match wire {
 						WireType::Vertical => "wire_vertical",
@@ -146,24 +134,10 @@ impl Tile {
 					PTile::Input => "input",
 					PTile::Output => "output",
 				};
-				&format!("{t}_{}", if *state { "on" } else { "off" })
+				return format!("{root}_{}", if *state { "on" } else { "off" });
 			}
-		};
-		if let Some(texture) = textures.get(tex_name) {
-			d.draw_texture_ex(
-				texture,
-				Vector2::new((x - size / 2) as f32, (y - size / 2) as f32),
-				0.0,
-				(1 << zoom) as f32,
-				Color::WHITE,
-			);
-			return;
-		}
-
-		match self {
-			Tile::Blank => (),
-			_ => d.draw_rectangle(x - size / 2, y - size / 2, size, size, Color::RED),
 		}
+		.to_owned()
 	}
 }