feat: sprite enums for avoiding hardcoded string paths

src/game.rs

@@ -5,7 +5,7 @@ include!(concat!(env!("OUT_DIR"), "/atlas_data.rs"));
 use std::collections::HashMap;
 
 use crate::constants::{self, animation, MapTile, CANVAS_SIZE};
-use crate::error::{GameError, GameResult, TextureError};
+use crate::error::{GameError, GameResult};
 use crate::events::GameEvent;
 use crate::map::builder::Map;
 use crate::map::direction::Direction;
@@ -28,13 +28,13 @@ use crate::systems::{
 };
 use crate::texture::animated::{DirectionalTiles, TileSequence};
 use crate::texture::sprite::AtlasTile;
+use crate::texture::sprites::{FrightenedColor, GameSprite, GhostSprite, MazeSprite, PacmanSprite};
 use bevy_ecs::event::EventRegistry;
 use bevy_ecs::observer::Trigger;
 use bevy_ecs::schedule::common_conditions::resource_changed;
 use bevy_ecs::schedule::{Condition, IntoScheduleConfigs, Schedule, SystemSet};
 use bevy_ecs::system::{Local, ResMut};
 use bevy_ecs::world::World;
-use glam::UVec2;
 use sdl2::event::EventType;
 use sdl2::image::LoadTexture;
 use sdl2::render::{BlendMode, Canvas, ScaleMode, TextureCreator};
@@ -200,8 +200,8 @@ impl Game {
         // Create map tiles
         let mut map_tiles = Vec::with_capacity(35);
         for i in 0..35 {
-            let tile_name = format!("maze/tiles/{}.png", i);
-            let tile = atlas.get_tile(&tile_name).unwrap();
+            let tile_name = GameSprite::Maze(MazeSprite::Tile(i)).to_path();
+            let tile = atlas.get_tile(&tile_name)?;
             map_tiles.push(tile);
         }
 
@@ -216,36 +216,42 @@ impl Game {
 
         // Create directional animated textures for Pac-Man
         let up_moving_tiles = [
-            SpriteAtlas::get_tile(&atlas, "pacman/up_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/up_a.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/up_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/up_b.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/full.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Moving(Direction::Up, 0)).to_path())?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Moving(Direction::Up, 1)).to_path())?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Full).to_path())?,
         ];
         let down_moving_tiles = [
-            SpriteAtlas::get_tile(&atlas, "pacman/down_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/down_a.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/down_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/down_b.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/full.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Down, 0)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Down, 1)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Full).to_path())?,
         ];
         let left_moving_tiles = [
-            SpriteAtlas::get_tile(&atlas, "pacman/left_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/left_a.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/left_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/left_b.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/full.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Left, 0)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Left, 1)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Full).to_path())?,
         ];
         let right_moving_tiles = [
-            SpriteAtlas::get_tile(&atlas, "pacman/right_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/right_a.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/right_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/right_b.png".to_string())))?,
-            SpriteAtlas::get_tile(&atlas, "pacman/full.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Right, 0)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(
+                &atlas,
+                &GameSprite::Pacman(PacmanSprite::Moving(Direction::Right, 1)).to_path(),
+            )?,
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Full).to_path())?,
         ];
 
         let moving_tiles = DirectionalTiles::new(
@@ -255,14 +261,20 @@ impl Game {
             TileSequence::new(&right_moving_tiles),
         );
 
-        let up_stopped_tile = SpriteAtlas::get_tile(&atlas, "pacman/up_b.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/up_b.png".to_string())))?;
-        let down_stopped_tile = SpriteAtlas::get_tile(&atlas, "pacman/down_b.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/down_b.png".to_string())))?;
-        let left_stopped_tile = SpriteAtlas::get_tile(&atlas, "pacman/left_b.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/left_b.png".to_string())))?;
-        let right_stopped_tile = SpriteAtlas::get_tile(&atlas, "pacman/right_b.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/right_b.png".to_string())))?;
+        let up_stopped_tile =
+            SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Moving(Direction::Up, 1)).to_path())?;
+        let down_stopped_tile = SpriteAtlas::get_tile(
+            &atlas,
+            &GameSprite::Pacman(PacmanSprite::Moving(Direction::Down, 1)).to_path(),
+        )?;
+        let left_stopped_tile = SpriteAtlas::get_tile(
+            &atlas,
+            &GameSprite::Pacman(PacmanSprite::Moving(Direction::Left, 1)).to_path(),
+        )?;
+        let right_stopped_tile = SpriteAtlas::get_tile(
+            &atlas,
+            &GameSprite::Pacman(PacmanSprite::Moving(Direction::Right, 1)).to_path(),
+        )?;
 
         let stopped_tiles = DirectionalTiles::new(
             TileSequence::new(&[up_stopped_tile]),
@@ -283,8 +295,7 @@ impl Game {
             movement_modifiers: MovementModifiers::default(),
             buffered_direction: BufferedDirection::None,
             sprite: Renderable {
-                sprite: SpriteAtlas::get_tile(&atlas, "pacman/full.png")
-                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+                sprite: SpriteAtlas::get_tile(&atlas, &GameSprite::Pacman(PacmanSprite::Full).to_path())?,
                 layer: 0,
             },
             directional_animation: DirectionalAnimation::new(moving_tiles, stopped_tiles, 5),
@@ -302,10 +313,7 @@ impl Game {
         EventRegistry::register_event::<GameEvent>(&mut world);
         EventRegistry::register_event::<AudioEvent>(&mut world);
 
-        let scale =
-            (UVec2::from(canvas.output_size().unwrap()).as_vec2() / UVec2::from(canvas.logical_size()).as_vec2()).min_element();
-
-        world.insert_resource(BatchedLinesResource::new(&map, scale));
+        world.insert_resource(BatchedLinesResource::new(&map, constants::LARGE_SCALE));
         world.insert_resource(Self::create_ghost_animations(&atlas)?);
         world.insert_resource(map);
         world.insert_resource(GlobalState { exit: false });
@@ -401,10 +409,14 @@ impl Game {
         // Spawn ghosts
         Self::spawn_ghosts(&mut world)?;
 
-        let pellet_sprite = SpriteAtlas::get_tile(world.non_send_resource::<SpriteAtlas>(), "maze/pellet.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("maze/pellet.png".to_string())))?;
-        let energizer_sprite = SpriteAtlas::get_tile(world.non_send_resource::<SpriteAtlas>(), "maze/energizer.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("maze/energizer.png".to_string())))?;
+        let pellet_sprite = SpriteAtlas::get_tile(
+            world.non_send_resource::<SpriteAtlas>(),
+            &GameSprite::Maze(MazeSprite::Pellet).to_path(),
+        )?;
+        let energizer_sprite = SpriteAtlas::get_tile(
+            world.non_send_resource::<SpriteAtlas>(),
+            &GameSprite::Maze(MazeSprite::Energizer).to_path(),
+        )?;
 
         // Build a list of item entities to spawn from the map
         let nodes: Vec<(NodeId, EntityType, AtlasTile, f32)> = world
@@ -464,6 +476,7 @@ impl Game {
             let ghost = {
                 let animations = *world.resource::<GhostAnimations>().get_normal(&ghost_type).unwrap();
                 let atlas = world.non_send_resource::<SpriteAtlas>();
+                let sprite_path = GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Left, 0)).to_path();
 
                 GhostBundle {
                     ghost: ghost_type,
@@ -473,14 +486,7 @@ impl Game {
                         direction: Direction::Left,
                     },
                     sprite: Renderable {
-                        sprite: SpriteAtlas::get_tile(atlas, &format!("ghost/{}/left_a.png", ghost_type.as_str())).ok_or_else(
-                            || {
-                                GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                                    "ghost/{}/left_a.png",
-                                    ghost_type.as_str()
-                                )))
-                            },
-                        )?,
+                        sprite: SpriteAtlas::get_tile(atlas, &sprite_path)?,
                         layer: 0,
                     },
                     directional_animation: animations,
@@ -502,18 +508,10 @@ impl Game {
 
     fn create_ghost_animations(atlas: &SpriteAtlas) -> GameResult<GhostAnimations> {
         // Eaten (eyes) animations - single tile per direction
-        let up_eye = atlas
-            .get_tile("ghost/eyes/up.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/eyes/up.png".to_string())))?;
-        let down_eye = atlas
-            .get_tile("ghost/eyes/down.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/eyes/down.png".to_string())))?;
-        let left_eye = atlas
-            .get_tile("ghost/eyes/left.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/eyes/left.png".to_string())))?;
-        let right_eye = atlas
-            .get_tile("ghost/eyes/right.png")
-            .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/eyes/right.png".to_string())))?;
+        let up_eye = atlas.get_tile(&GameSprite::Ghost(GhostSprite::Eyes(Direction::Up)).to_path())?;
+        let down_eye = atlas.get_tile(&GameSprite::Ghost(GhostSprite::Eyes(Direction::Down)).to_path())?;
+        let left_eye = atlas.get_tile(&GameSprite::Ghost(GhostSprite::Eyes(Direction::Left)).to_path())?;
+        let right_eye = atlas.get_tile(&GameSprite::Ghost(GhostSprite::Eyes(Direction::Right)).to_path())?;
 
         let eyes_tiles = DirectionalTiles::new(
             TileSequence::new(&[up_eye]),
@@ -528,76 +526,20 @@ impl Game {
         for ghost_type in [Ghost::Blinky, Ghost::Pinky, Ghost::Inky, Ghost::Clyde] {
             // Normal animations - create directional tiles for each direction
             let up_tiles = [
-                atlas
-                    .get_tile(&format!("ghost/{}/up_a.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/up_a.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
-                atlas
-                    .get_tile(&format!("ghost/{}/up_b.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/up_b.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Up, 0)).to_path())?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Up, 1)).to_path())?,
             ];
             let down_tiles = [
-                atlas
-                    .get_tile(&format!("ghost/{}/down_a.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/down_a.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
-                atlas
-                    .get_tile(&format!("ghost/{}/down_b.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/down_b.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Down, 0)).to_path())?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Down, 1)).to_path())?,
             ];
             let left_tiles = [
-                atlas
-                    .get_tile(&format!("ghost/{}/left_a.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/left_a.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
-                atlas
-                    .get_tile(&format!("ghost/{}/left_b.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/left_b.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Left, 0)).to_path())?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Left, 1)).to_path())?,
             ];
             let right_tiles = [
-                atlas
-                    .get_tile(&format!("ghost/{}/right_a.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/right_a.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
-                atlas
-                    .get_tile(&format!("ghost/{}/right_b.png", ghost_type.as_str()))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/right_b.png",
-                            ghost_type.as_str()
-                        )))
-                    })?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Right, 0)).to_path())?,
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Normal(ghost_type, Direction::Right, 1)).to_path())?,
             ];
 
             let normal_moving = DirectionalTiles::new(
@@ -613,18 +555,14 @@ impl Game {
 
         let (frightened, frightened_flashing) = {
             // Load frightened animation tiles (same for all ghosts)
-            let frightened_blue_a = atlas
-                .get_tile("ghost/frightened/blue_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/frightened/blue_a.png".to_string())))?;
-            let frightened_blue_b = atlas
-                .get_tile("ghost/frightened/blue_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/frightened/blue_b.png".to_string())))?;
-            let frightened_white_a = atlas
-                .get_tile("ghost/frightened/white_a.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/frightened/white_a.png".to_string())))?;
-            let frightened_white_b = atlas
-                .get_tile("ghost/frightened/white_b.png")
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("ghost/frightened/white_b.png".to_string())))?;
+            let frightened_blue_a =
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Frightened(FrightenedColor::Blue, 0)).to_path())?;
+            let frightened_blue_b =
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Frightened(FrightenedColor::Blue, 1)).to_path())?;
+            let frightened_white_a =
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Frightened(FrightenedColor::White, 0)).to_path())?;
+            let frightened_white_b =
+                atlas.get_tile(&GameSprite::Ghost(GhostSprite::Frightened(FrightenedColor::White, 1)).to_path())?;
 
             (
                 LinearAnimation::new(
@@ -659,8 +597,15 @@ impl Game {
     pub fn tick(&mut self, dt: f32) -> bool {
         self.world.insert_resource(DeltaTime(dt));
 
-        // Run all systems
+        // Measure total frame time including all systems
+        let start = std::time::Instant::now();
         self.schedule.run(&mut self.world);
+        let total_duration = start.elapsed();
+
+        // Record the total timing
+        if let Some(timings) = self.world.get_resource::<systems::profiling::SystemTimings>() {
+            timings.add_total_timing(total_duration);
+        }
 
         let state = self
             .world

src/platform/buffered_writer.rs

@@ -1,57 +0,0 @@
-#![allow(dead_code)]
-
-//! Buffered writer for tracing logs that can store logs before console attachment.
-
-use parking_lot::Mutex;
-use std::io::{self, Write};
-use std::sync::Arc;
-
-/// A thread-safe buffered writer that stores logs in memory until flushed.
-#[derive(Clone)]
-pub struct BufferedWriter {
-    buffer: Arc<Mutex<Vec<u8>>>,
-}
-
-impl BufferedWriter {
-    /// Creates a new buffered writer.
-    pub fn new() -> Self {
-        Self {
-            buffer: Arc::new(Mutex::new(Vec::new())),
-        }
-    }
-
-    /// Flushes all buffered content to the provided writer and clears the buffer.
-    pub fn flush_to<W: Write>(&self, mut writer: W) -> io::Result<()> {
-        let mut buffer = self.buffer.lock();
-        if !buffer.is_empty() {
-            writer.write_all(&buffer)?;
-            writer.flush()?;
-            buffer.clear();
-        }
-        Ok(())
-    }
-
-    /// Returns the current buffer size in bytes.
-    pub fn buffer_size(&self) -> usize {
-        self.buffer.lock().len()
-    }
-}
-
-impl Write for BufferedWriter {
-    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        let mut buffer = self.buffer.lock();
-        buffer.extend_from_slice(buf);
-        Ok(buf.len())
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        // For buffered writer, flush is a no-op since we're storing in memory
-        Ok(())
-    }
-}
-
-impl Default for BufferedWriter {
-    fn default() -> Self {
-        Self::new()
-    }
-}

src/platform/mod.rs

@@ -1,7 +1,5 @@
 //! Platform abstraction layer for cross-platform functionality.
 
-#[cfg(not(target_os = "emscripten"))]
-pub mod buffered_writer;
 #[cfg(not(target_os = "emscripten"))]
 mod desktop;
 #[cfg(not(target_os = "emscripten"))]

src/platform/tracing_buffer.rs

@@ -1,15 +1,66 @@
 #![allow(dead_code)]
-
 //! Buffered tracing setup for handling logs before console attachment.
 
 use crate::formatter::CustomFormatter;
-use crate::platform::buffered_writer::BufferedWriter;
+use parking_lot::Mutex;
 use std::io;
+use std::io::Write;
+use std::sync::Arc;
 use tracing::{debug, Level};
 use tracing_error::ErrorLayer;
 use tracing_subscriber::fmt::MakeWriter;
 use tracing_subscriber::layer::SubscriberExt;
 
+/// A thread-safe buffered writer that stores logs in memory until flushed.
+#[derive(Clone)]
+pub struct BufferedWriter {
+    buffer: Arc<Mutex<Vec<u8>>>,
+}
+
+impl BufferedWriter {
+    /// Creates a new buffered writer.
+    pub fn new() -> Self {
+        Self {
+            buffer: Arc::new(Mutex::new(Vec::new())),
+        }
+    }
+
+    /// Flushes all buffered content to the provided writer and clears the buffer.
+    pub fn flush_to<W: Write>(&self, mut writer: W) -> io::Result<()> {
+        let mut buffer = self.buffer.lock();
+        if !buffer.is_empty() {
+            writer.write_all(&buffer)?;
+            writer.flush()?;
+            buffer.clear();
+        }
+        Ok(())
+    }
+
+    /// Returns the current buffer size in bytes.
+    pub fn buffer_size(&self) -> usize {
+        self.buffer.lock().len()
+    }
+}
+
+impl Write for BufferedWriter {
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        let mut buffer = self.buffer.lock();
+        buffer.extend_from_slice(buf);
+        Ok(buf.len())
+    }
+
+    fn flush(&mut self) -> io::Result<()> {
+        // For buffered writer, flush is a no-op since we're storing in memory
+        Ok(())
+    }
+}
+
+impl Default for BufferedWriter {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 /// A writer that can switch between buffering and direct output.
 #[derive(Clone, Default)]
 pub struct SwitchableWriter {

src/systems/profiling.rs

@@ -18,6 +18,7 @@ const TIMING_WINDOW_SIZE: usize = 30;
 
 #[derive(EnumCount, EnumIter, IntoStaticStr, Debug, PartialEq, Eq, Hash, Copy, Clone)]
 pub enum SystemId {
+    Total,
     Input,
     PlayerControls,
     Ghost,
@@ -85,6 +86,11 @@ impl SystemTimings {
         queue.lock().push_back(duration);
     }
 
+    /// Add timing for the Total system (total frame time including scheduler.run)
+    pub fn add_total_timing(&self, duration: Duration) {
+        self.add_timing(SystemId::Total, duration);
+    }
+
     pub fn get_stats(&self) -> Map<SystemId, (Duration, Duration), MAX_SYSTEMS> {
         let mut stats = Map::new();
 
@@ -123,47 +129,30 @@ impl SystemTimings {
         stats
     }
 
-    pub fn get_total_stats(&self) -> (Duration, Duration) {
-        let duration_sums = {
-            self.timings
-                .iter()
-                .map(|(_, queue)| queue.lock().iter().sum::<Duration>())
-                .collect::<Vec<_>>()
-        };
-
-        let mean = duration_sums.iter().sum::<Duration>() / duration_sums.len() as u32;
-        let variance = duration_sums
-            .iter()
-            .map(|x| {
-                let diff_secs = x.as_secs_f64() - mean.as_secs_f64();
-                diff_secs * diff_secs
-            })
-            .sum::<f64>()
-            / (duration_sums.len() - 1).max(1) as f64;
-        let std_dev_secs = variance.sqrt();
-
-        (mean, Duration::from_secs_f64(std_dev_secs))
-    }
-
     pub fn format_timing_display(&self) -> SmallVec<[String; SystemId::COUNT]> {
         let stats = self.get_stats();
-        let (total_avg, total_std) = self.get_total_stats();
+
+        // Get the Total system metrics instead of averaging all systems
+        let (total_avg, total_std) = stats
+            .get(&SystemId::Total)
+            .copied()
+            .unwrap_or((Duration::ZERO, Duration::ZERO));
 
         let effective_fps = match 1.0 / total_avg.as_secs_f64() {
-            f if f > 100.0 => (f as u32).separate_with_commas(),
+            f if f > 100.0 => format!("{:>5} FPS", (f as u32).separate_with_commas()),
             f if f < 10.0 => format!("{:.1} FPS", f),
-            f => format!("{:.0} FPS", f),
+            f => format!("{:5.0} FPS", f),
         };
 
         // Collect timing data for formatting
         let mut timing_data = vec![(effective_fps, total_avg, total_std)];
 
-        // Sort the stats by average duration
-        let mut sorted_stats: Vec<_> = stats.iter().collect();
+        // Sort the stats by average duration, excluding the Total system
+        let mut sorted_stats: Vec<_> = stats.iter().filter(|(id, _)| **id != SystemId::Total).collect();
         sorted_stats.sort_by(|a, b| b.1 .0.cmp(&a.1 .0));
 
-        // Add the top 5 most expensive systems
-        for (name, (avg, std_dev)) in sorted_stats.iter().take(7) {
+        // Add the top 7 most expensive systems (excluding Total)
+        for (name, (avg, std_dev)) in sorted_stats.iter().take(9) {
             timing_data.push((name.to_string(), *avg, *std_dev));
         }
 

src/texture/mod.rs

@@ -1,5 +1,6 @@
 pub mod animated;
 pub mod blinking;
 pub mod sprite;
+pub mod sprites;
 pub mod text;
 pub mod ttf;

src/texture/sprite.rs

@@ -20,7 +20,8 @@ pub struct MapperFrame {
     pub size: U16Vec2,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+/// A single tile within a sprite atlas, defined by its position and size.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
 pub struct AtlasTile {
     pub pos: U16Vec2,
     pub size: U16Vec2,
@@ -89,9 +90,11 @@ pub struct SpriteAtlas {
 
 impl SpriteAtlas {
     pub fn new(texture: Texture, mapper: AtlasMapper) -> Self {
+        let tiles = mapper.frames.into_iter().collect();
+
         Self {
             texture,
-            tiles: mapper.frames,
+            tiles,
             default_color: None,
             last_modulation: None,
         }
@@ -103,11 +106,15 @@ impl SpriteAtlas {
     /// for the named sprite, or `None` if the sprite name is not found in the
     /// atlas. The returned tile can be used for immediate rendering or stored
     /// for repeated use in animations and entity sprites.
-    pub fn get_tile(&self, name: &str) -> Option<AtlasTile> {
-        self.tiles.get(name).map(|frame| AtlasTile {
+    pub fn get_tile(&self, name: &str) -> Result<AtlasTile, TextureError> {
+        let frame = self
+            .tiles
+            .get(name)
+            .ok_or_else(|| TextureError::AtlasTileNotFound(name.to_string()))?;
+        Ok(AtlasTile {
             pos: frame.pos,
             size: frame.size,
-            color: None,
+            color: self.default_color,
         })
     }
 

src/texture/sprites.rs

@@ -0,0 +1,104 @@
+//! A structured representation of all sprite assets in the game.
+//!
+//! This module provides a set of enums to represent every sprite, allowing for
+//! type-safe access to asset paths and avoiding the use of raw strings.
+//! The `GameSprite` enum is the main entry point, and its `to_path` method
+//! generates the correct path for a given sprite in the texture atlas.
+
+use crate::map::direction::Direction;
+use crate::systems::components::Ghost;
+
+/// Represents the different sprites for Pac-Man.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum PacmanSprite {
+    /// A moving Pac-Man sprite for a given direction and animation frame.
+    Moving(Direction, u8),
+    /// The full, closed-mouth Pac-Man sprite.
+    Full,
+}
+
+/// Represents the color of a frightened ghost.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum FrightenedColor {
+    Blue,
+    White,
+}
+
+/// Represents the different sprites for ghosts.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum GhostSprite {
+    /// The normal appearance of a ghost for a given type, direction, and animation frame.
+    Normal(Ghost, Direction, u8),
+    /// The frightened appearance of a ghost, with a specific color and animation frame.
+    Frightened(FrightenedColor, u8),
+    /// The "eyes only" appearance of a ghost after being eaten.
+    Eyes(Direction),
+}
+
+/// Represents the different sprites for the maze and collectibles.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum MazeSprite {
+    /// A specific tile of the maze.
+    Tile(u8),
+    /// A standard pellet.
+    Pellet,
+    /// An energizer/power pellet.
+    Energizer,
+}
+
+/// A top-level enum that encompasses all game sprites.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum GameSprite {
+    Pacman(PacmanSprite),
+    Ghost(GhostSprite),
+    Maze(MazeSprite),
+}
+
+impl GameSprite {
+    /// Generates the asset path for the sprite.
+    ///
+    /// This path corresponds to the filename in the texture atlas JSON file.
+    pub fn to_path(self) -> String {
+        match self {
+            GameSprite::Pacman(sprite) => match sprite {
+                PacmanSprite::Moving(dir, frame) => {
+                    let frame_char = match frame {
+                        0 => 'a',
+                        1 => 'b',
+                        _ => panic!("Invalid animation frame"),
+                    };
+                    format!("pacman/{}_{}.png", dir.as_ref().to_lowercase(), frame_char)
+                }
+                PacmanSprite::Full => "pacman/full.png".to_string(),
+            },
+            GameSprite::Ghost(sprite) => match sprite {
+                GhostSprite::Normal(ghost, dir, frame) => {
+                    let frame_char = match frame {
+                        0 => 'a',
+                        1 => 'b',
+                        _ => panic!("Invalid animation frame"),
+                    };
+                    format!("ghost/{}/{}_{}.png", ghost.as_str(), dir.as_ref().to_lowercase(), frame_char)
+                }
+                GhostSprite::Frightened(color, frame) => {
+                    let frame_char = match frame {
+                        0 => 'a',
+                        1 => 'b',
+                        _ => panic!("Invalid animation frame"),
+                    };
+                    let color_str = match color {
+                        FrightenedColor::Blue => "blue",
+                        FrightenedColor::White => "white",
+                    };
+                    format!("ghost/frightened/{}_{}.png", color_str, frame_char)
+                }
+                GhostSprite::Eyes(dir) => format!("ghost/eyes/{}.png", dir.as_ref().to_lowercase()),
+            },
+            GameSprite::Maze(sprite) => match sprite {
+                MazeSprite::Tile(index) => format!("maze/tiles/{}.png", index),
+                MazeSprite::Pellet => "maze/pellet.png".to_string(),
+                MazeSprite::Energizer => "maze/energizer.png".to_string(),
+            },
+        }
+    }
+}

src/texture/text.rs

@@ -60,10 +60,7 @@ use sdl2::pixels::Color;
 use sdl2::render::{Canvas, RenderTarget};
 use std::collections::HashMap;
 
-use crate::{
-    error::{GameError, TextureError},
-    texture::sprite::{AtlasTile, SpriteAtlas},
-};
+use crate::texture::sprite::{AtlasTile, SpriteAtlas};
 
 /// Converts a character to its tile name in the atlas.
 fn char_to_tile_name(c: char) -> Option<String> {
@@ -122,9 +119,7 @@ impl TextTexture {
         }
 
         if let Some(tile_name) = char_to_tile_name(c) {
-            let tile = atlas
-                .get_tile(&tile_name)
-                .ok_or(GameError::Texture(TextureError::AtlasTileNotFound(tile_name)))?;
+            let tile = atlas.get_tile(&tile_name)?;
             self.char_map.insert(c, tile);
             Ok(self.char_map.get(&c))
         } else {

tests/profiling.rs

@@ -40,15 +40,8 @@ fn test_timing_statistics() {
         assert_close!(*std_dev, Duration::from_millis(2), "PlayerControls standard deviation timing");
     }
 
-    {
-        let (total_avg, total_std) = timings.get_total_stats();
-        assert_close!(total_avg, Duration::from_millis(2), "Total average timing across all systems");
-        assert_close!(
-            total_std,
-            Duration::from_millis(7),
-            "Total standard deviation timing across all systems"
-        );
-    }
+    // Note: get_total_stats() was removed as we now use the Total system directly
+    // This test now focuses on individual system statistics
 }
 
 #[test]
@@ -69,9 +62,9 @@ fn test_default_zero_timing_for_unused_systems() {
     assert_close!(*avg, Duration::from_millis(5), "System with data should have correct timing");
     assert_close!(*std_dev, Duration::ZERO, "Single measurement should have zero std dev");
 
-    // Verify that all other systems have zero timing
+    // Verify that all other systems have zero timing (excluding Total which is special)
     for id in SystemId::iter() {
-        if id != SystemId::PlayerControls {
+        if id != SystemId::PlayerControls && id != SystemId::Total {
             let (avg, std_dev) = stats.get(&id).unwrap();
             assert_close!(
                 *avg,
@@ -108,3 +101,24 @@ fn test_pre_populated_timing_entries() {
         );
     }
 }
+
+#[test]
+fn test_total_system_timing() {
+    let timings = SystemTimings::default();
+
+    // Add some timing data to the Total system
+    timings.add_total_timing(Duration::from_millis(16));
+    timings.add_total_timing(Duration::from_millis(18));
+    timings.add_total_timing(Duration::from_millis(14));
+
+    let stats = timings.get_stats();
+    let (avg, std_dev) = stats.get(&SystemId::Total).unwrap();
+
+    // Should have 16ms average (16+18+14)/3 = 16ms
+    assert_close!(*avg, Duration::from_millis(16), "Total system average timing");
+    // Should have some standard deviation
+    assert!(
+        *std_dev > Duration::ZERO,
+        "Total system should have non-zero std dev with multiple measurements"
+    );
+}