feat: entity type for proper edge permission calculations

refactor: reorganize systems properly, move events to events.rs
refactor: rename 'ecs' submodule to 'systems'
2025-12-06 09:15:46 -06:00 · 2025-08-15 10:06:09 -05:00 · 2025-08-15 09:48:16 -05:00 · 2025-08-15 09:27:28 -05:00 · 2025-08-15 09:24:42 -05:00 · 2025-08-15 09:17:43 -05:00
45 changed files with 2670 additions and 2228 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,202 @@ version = "1.0.99"
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 checksum = "b0674a1ddeecb70197781e945de4b3b8ffb61fa939a5597bcf48503737663100"

+[[package]]
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+
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+ "quote",
+ "syn",
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+
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+checksum = "bb812ffb58524bdd10860d7d974e2f01cc0950c2438a74ee5ec2e2280c6c4ffa"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "pin-project-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
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+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+dependencies = [
+ "portable-atomic",
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+
+[[package]]
+name = "atomic-waker"
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+dependencies = [
+ "portable-atomic",
+]
+
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 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"

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+ "bevy_platform",
+ "bevy_ptr",
+ "bevy_reflect",
+ "bevy_tasks",
+ "bevy_utils",
+ "bitflags 2.9.1",
+ "bumpalo",
+ "concurrent-queue",
+ "derive_more",
+ "disqualified",
+ "fixedbitset",
+ "indexmap",
+ "log",
+ "nonmax",
+ "serde",
+ "smallvec",
+ "thiserror",
+ "variadics_please",
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+ "thread_local",
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@@ -34,6 +224,21 @@ name = "bitflags"
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 [[package]]
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@@ -47,6 +252,37 @@ version = "1.0.0"
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@@ -59,12 +295,98 @@ dependencies = [
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@@ -77,17 +399,50 @@ dependencies = [
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+[[package]]
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+ "portable-atomic",
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@@ -120,6 +475,16 @@ version = "1.0.15"
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+dependencies = [
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+ "wasm-bindgen",
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@@ -132,6 +497,16 @@ version = "0.2.175"
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 checksum = "6a82ae493e598baaea5209805c49bbf2ea7de956d50d7da0da1164f9c6d28543"

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+dependencies = [
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+ "scopeguard",
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+
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@@ -153,6 +528,12 @@ version = "2.7.5"
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@@ -189,7 +570,8 @@ name = "pacman"
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 dependencies = [
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- "glam",
+ "bevy_ecs",
+ "glam 0.30.5",
 "lazy_static",
 "libc",
 "once_cell",
@@ -210,6 +592,35 @@ dependencies = [
 "winapi",
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@@ -272,6 +683,21 @@ version = "0.2.13"
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+dependencies = [
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@@ -329,6 +755,15 @@ dependencies = [
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+[[package]]
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+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "portable-atomic",
+]
+
 [[package]]
 name = "spin_sleep"
 version = "1.3.2"
@@ -478,6 +949,12 @@ dependencies = [
 "windows-sys",
 ]

+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
 [[package]]
 name = "strum"
 version = "0.27.2"
@@ -537,6 +1014,23 @@ dependencies = [
 "once_cell",
 ]

+[[package]]
+name = "toml_datetime"
+version = "0.6.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
+
+[[package]]
+name = "toml_edit"
+version = "0.22.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tracing"
 version = "0.1.41"
@@ -608,18 +1102,53 @@ dependencies = [
 "tracing-log",
 ]

+[[package]]
+name = "typeid"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc7d623258602320d5c55d1bc22793b57daff0ec7efc270ea7d55ce1d5f5471c"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"

+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
+[[package]]
+name = "uuid"
+version = "1.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f33196643e165781c20a5ead5582283a7dacbb87855d867fbc2df3f81eddc1be"
+dependencies = [
+ "getrandom",
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"

+[[package]]
+name = "variadics_please"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41b6d82be61465f97d42bd1d15bf20f3b0a3a0905018f38f9d6f6962055b0b5c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -641,6 +1170,87 @@ dependencies = [
 "wit-bindgen-rt",
 ]

+[[package]]
+name = "wasm-bindgen"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
+dependencies = [
+ "bumpalo",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "web-sys"
+version = "0.3.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "wgpu-types"
+version = "24.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50ac044c0e76c03a0378e7786ac505d010a873665e2d51383dcff8dd227dc69c"
+dependencies = [
+ "bitflags 2.9.1",
+ "js-sys",
+ "log",
+ "serde",
+ "web-sys",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -669,7 +1279,23 @@ version = "0.60.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.53.2",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm 0.52.6",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
 ]

 [[package]]
@@ -678,64 +1304,121 @@ version = "0.53.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c66f69fcc9ce11da9966ddb31a40968cad001c5bedeb5c2b82ede4253ab48aef"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.53.0",
+ "windows_aarch64_msvc 0.53.0",
+ "windows_i686_gnu 0.53.0",
+ "windows_i686_gnullvm 0.53.0",
+ "windows_i686_msvc 0.53.0",
+ "windows_x86_64_gnu 0.53.0",
+ "windows_x86_64_gnullvm 0.53.0",
+ "windows_x86_64_msvc 0.53.0",
 ]

+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86b8d5f90ddd19cb4a147a5fa63ca848db3df085e25fee3cc10b39b6eebae764"

+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7651a1f62a11b8cbd5e0d42526e55f2c99886c77e007179efff86c2b137e66c"

+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1dc67659d35f387f5f6c479dc4e28f1d4bb90ddd1a5d3da2e5d97b42d6272c3"

+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
 [[package]]
 name = "windows_i686_gnullvm"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ce6ccbdedbf6d6354471319e781c0dfef054c81fbc7cf83f338a4296c0cae11"

+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "581fee95406bb13382d2f65cd4a908ca7b1e4c2f1917f143ba16efe98a589b5d"

+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e55b5ac9ea33f2fc1716d1742db15574fd6fc8dadc51caab1c16a3d3b4190ba"

+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a6e035dd0599267ce1ee132e51c27dd29437f63325753051e71dd9e42406c57"

+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"

+[[package]]
+name = "winnow"
+version = "0.7.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3edebf492c8125044983378ecb5766203ad3b4c2f7a922bd7dd207f6d443e95"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wit-bindgen-rt"
 version = "0.39.0"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,6 +24,7 @@ smallvec = "1.15.1"
 strum = "0.27.2"
 strum_macros = "0.27.2"
 phf = { version = "0.11", features = ["macros"] }
+bevy_ecs = "0.16.1"

 [profile.release]
 lto = true
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Pac-Man

-[![Tests Status][badge-test]][test] [![Build Status][badge-build]][build] [![Code Coverage][badge-coverage]][coverage] [![Online Demo][badge-online-demo]][demo] [![Last Commit][badge-last-commit]][commits]
+[![Tests Status][badge-test]][test] [![Build Status][badge-build]][build] [![If you're seeing this, Coveralls.io is broken again and it's not my fault.][badge-coverage]][coverage] [![Online Demo][badge-online-demo]][demo] [![Last Commit][badge-last-commit]][commits]

 [badge-test]: https://github.com/Xevion/Pac-Man/actions/workflows/tests.yaml/badge.svg
 [badge-build]: https://github.com/Xevion/Pac-Man/actions/workflows/build.yaml/badge.svg
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,13 +1,11 @@
 use std::time::{Duration, Instant};

 use glam::Vec2;
-use sdl2::event::{Event, WindowEvent};
-use sdl2::keyboard::Keycode;
-use sdl2::render::{Canvas, ScaleMode, Texture, TextureCreator};
+use sdl2::render::TextureCreator;
 use sdl2::ttf::Sdl2TtfContext;
-use sdl2::video::{Window, WindowContext};
+use sdl2::video::WindowContext;
 use sdl2::{AudioSubsystem, EventPump, Sdl, VideoSubsystem};
-use tracing::{error, event};
+use tracing::warn;

 use crate::error::{GameError, GameResult};

@@ -16,13 +14,10 @@ use crate::game::Game;
 use crate::platform::get_platform;

 pub struct App {
-    game: Game,
-    canvas: Canvas<Window>,
-    event_pump: &'static mut EventPump,
-    backbuffer: Texture<'static>,
-    paused: bool,
+    pub game: Game,
    last_tick: Instant,
-    cursor_pos: Vec2,
+    focused: bool,
+    _cursor_pos: Vec2,
 }

 impl App {
@@ -51,41 +46,35 @@ impl App {
            .build()
            .map_err(|e| GameError::Sdl(e.to_string()))?;

-        let mut canvas = window
+        let canvas = Box::leak(Box::new(
+            window
                .into_canvas()
                .accelerated()
                .present_vsync()
                .build()
-            .map_err(|e| GameError::Sdl(e.to_string()))?;
+                .map_err(|e| GameError::Sdl(e.to_string()))?,
+        ));

        canvas
            .set_logical_size(CANVAS_SIZE.x, CANVAS_SIZE.y)
            .map_err(|e| GameError::Sdl(e.to_string()))?;

-        let texture_creator: &'static TextureCreator<WindowContext> = Box::leak(Box::new(canvas.texture_creator()));
+        let texture_creator: &'static mut TextureCreator<WindowContext> = Box::leak(Box::new(canvas.texture_creator()));

-        let mut game = Game::new(texture_creator)?;
+        let game = Game::new(canvas, texture_creator, event_pump)?;
        // game.audio.set_mute(cfg!(debug_assertions));

-        let mut backbuffer = texture_creator
-            .create_texture_target(None, CANVAS_SIZE.x, CANVAS_SIZE.y)
-            .map_err(|e| GameError::Sdl(e.to_string()))?;
-        backbuffer.set_scale_mode(ScaleMode::Nearest);
-
        // Initial draw
-        game.draw(&mut canvas, &mut backbuffer)
-            .map_err(|e| GameError::Sdl(e.to_string()))?;
-        game.present_backbuffer(&mut canvas, &backbuffer, glam::Vec2::ZERO)
-            .map_err(|e| GameError::Sdl(e.to_string()))?;
+        // game.draw(&mut canvas, &mut backbuffer)
+        //     .map_err(|e| GameError::Sdl(e.to_string()))?;
+        // game.present_backbuffer(&mut canvas, &backbuffer, glam::Vec2::ZERO)
+        //     .map_err(|e| GameError::Sdl(e.to_string()))?;

-        Ok(Self {
+        Ok(App {
            game,
-            canvas,
-            event_pump,
-            backbuffer,
-            paused: false,
+            focused: true,
            last_tick: Instant::now(),
-            cursor_pos: Vec2::ZERO,
+            _cursor_pos: Vec2::ZERO,
        })
    }

@@ -93,78 +82,51 @@ impl App {
        {
            let start = Instant::now();

-            for event in self.event_pump.poll_iter() {
-                match event {
-                    Event::Window { win_event, .. } => match win_event {
-                        WindowEvent::Hidden => {
-                            event!(tracing::Level::DEBUG, "Window hidden");
-                        }
-                        WindowEvent::Shown => {
-                            event!(tracing::Level::DEBUG, "Window shown");
-                        }
-                        _ => {}
-                    },
-                    // It doesn't really make sense to have this available in the browser
-                    #[cfg(not(target_os = "emscripten"))]
-                    Event::Quit { .. }
-                    | Event::KeyDown {
-                        keycode: Some(Keycode::Escape) | Some(Keycode::Q),
-                        ..
-                    } => {
-                        event!(tracing::Level::INFO, "Exit requested. Exiting...");
-                        return false;
-                    }
-                    Event::KeyDown {
-                        keycode: Some(Keycode::P),
-                        ..
-                    } => {
-                        self.paused = !self.paused;
-                        event!(tracing::Level::INFO, "{}", if self.paused { "Paused" } else { "Unpaused" });
-                    }
-                    Event::KeyDown {
-                        keycode: Some(Keycode::Space),
-                        ..
-                    } => {
-                        self.game.toggle_debug_mode();
-                    }
-                    Event::KeyDown { keycode: Some(key), .. } => {
-                        self.game.keyboard_event(key);
-                    }
-                    Event::MouseMotion { x, y, .. } => {
-                        // Convert window coordinates to logical coordinates
-                        self.cursor_pos = Vec2::new(x as f32, y as f32);
-                    }
-                    _ => {}
-                }
-            }
+            // for event in self
+            //     .game
+            //     .world
+            //     .get_non_send_resource_mut::<&'static mut EventPump>()
+            //     .unwrap()
+            //     .poll_iter()
+            // {
+            //     match event {
+            //         Event::Window { win_event, .. } => match win_event {
+            //             WindowEvent::FocusGained => {
+            //                 self.focused = true;
+            //             }
+            //             WindowEvent::FocusLost => {
+            //                 self.focused = false;
+            //             }
+            //             _ => {}
+            //         },
+            //         Event::MouseMotion { x, y, .. } => {
+            //             // Convert window coordinates to logical coordinates
+            //             self.cursor_pos = Vec2::new(x as f32, y as f32);
+            //         }
+            //         _ => {}
+            //     }
+            // }

            let dt = self.last_tick.elapsed().as_secs_f32();
            self.last_tick = Instant::now();

-            if !self.paused {
-                self.game.tick(dt);
-                if let Err(e) = self.game.draw(&mut self.canvas, &mut self.backbuffer) {
-                    error!("Failed to draw game: {}", e);
-                }
-                if let Err(e) = self
-                    .game
-                    .present_backbuffer(&mut self.canvas, &self.backbuffer, self.cursor_pos)
-                {
-                    error!("Failed to present backbuffer: {}", e);
-                }
+            let exit = self.game.tick(dt);
+
+            if exit {
+                return false;
            }

+            // if let Err(e) = self.game.draw(&mut self.canvas, &mut self.backbuffer) {
+            //     error!("Failed to draw game: {}", e);
+            // }
+
            if start.elapsed() < LOOP_TIME {
                let time = LOOP_TIME.saturating_sub(start.elapsed());
                if time != Duration::ZERO {
-                    get_platform().sleep(time);
+                    get_platform().sleep(time, self.focused);
                }
            } else {
-                event!(
-                    tracing::Level::WARN,
-                    "Game loop behind schedule by: {:?}",
-                    start.elapsed() - LOOP_TIME
-                );
+                warn!("Game loop behind schedule by: {:?}", start.elapsed() - LOOP_TIME);
            }

            true
--- a/src/entity/collision.rs
+++ b/src/entity/collision.rs
@@ -1,128 +1,128 @@
-use smallvec::SmallVec;
-use std::collections::HashMap;
+// use smallvec::SmallVec;
+// use std::collections::HashMap;

-use crate::entity::{graph::NodeId, traversal::Position};
+// use crate::entity::{graph::NodeId, traversal::Position};

-/// Trait for entities that can participate in collision detection.
-pub trait Collidable {
-    /// Returns the current position of this entity.
-    fn position(&self) -> Position;
+// /// Trait for entities that can participate in collision detection.
+// pub trait Collidable {
+//     /// Returns the current position of this entity.
+//     fn position(&self) -> Position;

-    /// Checks if this entity is colliding with another entity.
-    #[allow(dead_code)]
-    fn is_colliding_with(&self, other: &dyn Collidable) -> bool {
-        positions_overlap(&self.position(), &other.position())
-    }
-}
+//     /// Checks if this entity is colliding with another entity.
+//     #[allow(dead_code)]
+//     fn is_colliding_with(&self, other: &dyn Collidable) -> bool {
+//         positions_overlap(&self.position(), &other.position())
+//     }
+// }

-/// System for tracking entities by their positions for efficient collision detection.
-#[derive(Default)]
-pub struct CollisionSystem {
-    /// Maps node IDs to lists of entity IDs that are at that node
-    node_entities: HashMap<NodeId, Vec<EntityId>>,
-    /// Maps entity IDs to their current positions
-    entity_positions: HashMap<EntityId, Position>,
-    /// Next available entity ID
-    next_id: EntityId,
-}
+// /// System for tracking entities by their positions for efficient collision detection.
+// #[derive(Default)]
+// pub struct CollisionSystem {
+//     /// Maps node IDs to lists of entity IDs that are at that node
+//     node_entities: HashMap<NodeId, Vec<EntityId>>,
+//     /// Maps entity IDs to their current positions
+//     entity_positions: HashMap<EntityId, Position>,
+//     /// Next available entity ID
+//     next_id: EntityId,
+// }

-/// Unique identifier for an entity in the collision system
-pub type EntityId = u32;
+// /// Unique identifier for an entity in the collision system
+// pub type EntityId = u32;

-impl CollisionSystem {
-    /// Registers an entity with the collision system and returns its ID
-    pub fn register_entity(&mut self, position: Position) -> EntityId {
-        let id = self.next_id;
-        self.next_id += 1;
+// impl CollisionSystem {
+//     /// Registers an entity with the collision system and returns its ID
+//     pub fn register_entity(&mut self, position: Position) -> EntityId {
+//         let id = self.next_id;
+//         self.next_id += 1;

-        self.entity_positions.insert(id, position);
-        self.update_node_entities(id, position);
+//         self.entity_positions.insert(id, position);
+//         self.update_node_entities(id, position);

-        id
-    }
+//         id
+//     }

-    /// Updates an entity's position
-    pub fn update_position(&mut self, entity_id: EntityId, new_position: Position) {
-        if let Some(old_position) = self.entity_positions.get(&entity_id) {
-            // Remove from old nodes
-            self.remove_from_nodes(entity_id, *old_position);
-        }
+//     /// Updates an entity's position
+//     pub fn update_position(&mut self, entity_id: EntityId, new_position: Position) {
+//         if let Some(old_position) = self.entity_positions.get(&entity_id) {
+//             // Remove from old nodes
+//             self.remove_from_nodes(entity_id, *old_position);
+//         }

-        // Update position and add to new nodes
-        self.entity_positions.insert(entity_id, new_position);
-        self.update_node_entities(entity_id, new_position);
-    }
+//         // Update position and add to new nodes
+//         self.entity_positions.insert(entity_id, new_position);
+//         self.update_node_entities(entity_id, new_position);
+//     }

-    /// Removes an entity from the collision system
-    #[allow(dead_code)]
-    pub fn remove_entity(&mut self, entity_id: EntityId) {
-        if let Some(position) = self.entity_positions.remove(&entity_id) {
-            self.remove_from_nodes(entity_id, position);
-        }
-    }
+//     /// Removes an entity from the collision system
+//     #[allow(dead_code)]
+//     pub fn remove_entity(&mut self, entity_id: EntityId) {
+//         if let Some(position) = self.entity_positions.remove(&entity_id) {
+//             self.remove_from_nodes(entity_id, position);
+//         }
+//     }

-    /// Gets all entity IDs at a specific node
-    pub fn entities_at_node(&self, node: NodeId) -> &[EntityId] {
-        self.node_entities.get(&node).map(|v| v.as_slice()).unwrap_or(&[])
-    }
+//     /// Gets all entity IDs at a specific node
+//     pub fn entities_at_node(&self, node: NodeId) -> &[EntityId] {
+//         self.node_entities.get(&node).map(|v| v.as_slice()).unwrap_or(&[])
+//     }

-    /// Gets all entity IDs that could collide with an entity at the given position
-    pub fn potential_collisions(&self, position: &Position) -> Vec<EntityId> {
-        let mut collisions = Vec::new();
-        let nodes = get_nodes(position);
+//     /// Gets all entity IDs that could collide with an entity at the given position
+//     pub fn potential_collisions(&self, position: &Position) -> Vec<EntityId> {
+//         let mut collisions = Vec::new();
+//         let nodes = get_nodes(position);

-        for node in nodes {
-            collisions.extend(self.entities_at_node(node));
-        }
+//         for node in nodes {
+//             collisions.extend(self.entities_at_node(node));
+//         }

-        // Remove duplicates
-        collisions.sort_unstable();
-        collisions.dedup();
-        collisions
-    }
+//         // Remove duplicates
+//         collisions.sort_unstable();
+//         collisions.dedup();
+//         collisions
+//     }

-    /// Updates the node_entities map when an entity's position changes
-    fn update_node_entities(&mut self, entity_id: EntityId, position: Position) {
-        let nodes = get_nodes(&position);
-        for node in nodes {
-            self.node_entities.entry(node).or_default().push(entity_id);
-        }
-    }
+//     /// Updates the node_entities map when an entity's position changes
+//     fn update_node_entities(&mut self, entity_id: EntityId, position: Position) {
+//         let nodes = get_nodes(&position);
+//         for node in nodes {
+//             self.node_entities.entry(node).or_default().push(entity_id);
+//         }
+//     }

-    /// Removes an entity from all nodes it was previously at
-    fn remove_from_nodes(&mut self, entity_id: EntityId, position: Position) {
-        let nodes = get_nodes(&position);
-        for node in nodes {
-            if let Some(entities) = self.node_entities.get_mut(&node) {
-                entities.retain(|&id| id != entity_id);
-                if entities.is_empty() {
-                    self.node_entities.remove(&node);
-                }
-            }
-        }
-    }
-}
+//     /// Removes an entity from all nodes it was previously at
+//     fn remove_from_nodes(&mut self, entity_id: EntityId, position: Position) {
+//         let nodes = get_nodes(&position);
+//         for node in nodes {
+//             if let Some(entities) = self.node_entities.get_mut(&node) {
+//                 entities.retain(|&id| id != entity_id);
+//                 if entities.is_empty() {
+//                     self.node_entities.remove(&node);
+//                 }
+//             }
+//         }
+//     }
+// }

-/// Checks if two positions overlap (entities are at the same location).
-fn positions_overlap(a: &Position, b: &Position) -> bool {
-    let a_nodes = get_nodes(a);
-    let b_nodes = get_nodes(b);
+// /// Checks if two positions overlap (entities are at the same location).
+// fn positions_overlap(a: &Position, b: &Position) -> bool {
+//     let a_nodes = get_nodes(a);
+//     let b_nodes = get_nodes(b);

-    // Check if any nodes overlap
-    a_nodes.iter().any(|a_node| b_nodes.contains(a_node))
+//     // Check if any nodes overlap
+//     a_nodes.iter().any(|a_node| b_nodes.contains(a_node))

-    // TODO: More complex overlap detection, the above is a simple check, but it could become an early filter for more precise calculations later
-}
+//     // TODO: More complex overlap detection, the above is a simple check, but it could become an early filter for more precise calculations later
+// }

-/// Gets all nodes that an entity is currently at or between.
-fn get_nodes(pos: &Position) -> SmallVec<[NodeId; 2]> {
-    let mut nodes = SmallVec::new();
-    match pos {
-        Position::AtNode(node) => nodes.push(*node),
-        Position::BetweenNodes { from, to, .. } => {
-            nodes.push(*from);
-            nodes.push(*to);
-        }
-    }
-    nodes
-}
+// /// Gets all nodes that an entity is currently at or between.
+// fn get_nodes(pos: &Position) -> SmallVec<[NodeId; 2]> {
+//     let mut nodes = SmallVec::new();
+//     match pos {
+//         Position::AtNode(node) => nodes.push(*node),
+//         Position::BetweenNodes { from, to, .. } => {
+//             nodes.push(*from);
+//             nodes.push(*to);
+//         }
+//     }
+//     nodes
+// }
--- a/src/entity/direction.rs
+++ b/src/entity/direction.rs
@@ -1,11 +1,13 @@
 use glam::IVec2;

 /// The four cardinal directions.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
+#[repr(usize)]
 pub enum Direction {
    Up,
    Down,
    Left,
+    #[default]
    Right,
 }

--- a/src/entity/ghost.rs
+++ b/src/entity/ghost.rs
@@ -1,254 +1,254 @@
-//! Ghost entity implementation.
-//!
-//! This module contains the ghost character logic, including movement,
-//! animation, and rendering. Ghosts move through the game graph using
-//! a traverser and display directional animated textures.
+// //! Ghost entity implementation.
+// //!
+// //! This module contains the ghost character logic, including movement,
+// //! animation, and rendering. Ghosts move through the game graph using
+// //! a traverser and display directional animated textures.

-use pathfinding::prelude::dijkstra;
-use rand::prelude::*;
-use smallvec::SmallVec;
-use tracing::error;
+// use pathfinding::prelude::dijkstra;
+// use rand::prelude::*;
+// use smallvec::SmallVec;
+// use tracing::error;

-use crate::entity::{
-    collision::Collidable,
-    direction::Direction,
-    graph::{Edge, EdgePermissions, Graph, NodeId},
-    r#trait::Entity,
-    traversal::Traverser,
-};
-use crate::texture::animated::AnimatedTexture;
-use crate::texture::directional::DirectionalAnimatedTexture;
-use crate::texture::sprite::SpriteAtlas;
+// use crate::entity::{
+//     collision::Collidable,
+//     direction::Direction,
+//     graph::{Edge, EdgePermissions, Graph, NodeId},
+//     r#trait::Entity,
+//     traversal::Traverser,
+// };
+// use crate::texture::animated::AnimatedTexture;
+// use crate::texture::directional::DirectionalAnimatedTexture;
+// use crate::texture::sprite::SpriteAtlas;

-use crate::error::{EntityError, GameError, GameResult, TextureError};
+// use crate::error::{EntityError, GameError, GameResult, TextureError};

-/// Determines if a ghost can traverse a given edge.
-///
-/// Ghosts can move through edges that allow all entities or ghost-only edges.
-fn can_ghost_traverse(edge: Edge) -> bool {
-    matches!(edge.permissions, EdgePermissions::All | EdgePermissions::GhostsOnly)
-}
+// /// Determines if a ghost can traverse a given edge.
+// ///
+// /// Ghosts can move through edges that allow all entities or ghost-only edges.
+// fn can_ghost_traverse(edge: Edge) -> bool {
+//     matches!(edge.permissions, EdgePermissions::All | EdgePermissions::GhostsOnly)
+// }

-/// The four classic ghost types.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum GhostType {
-    Blinky,
-    Pinky,
-    Inky,
-    Clyde,
-}
+// /// The four classic ghost types.
+// #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+// pub enum GhostType {
+//     Blinky,
+//     Pinky,
+//     Inky,
+//     Clyde,
+// }

-impl GhostType {
-    /// Returns the ghost type name for atlas lookups.
-    pub fn as_str(self) -> &'static str {
-        match self {
-            GhostType::Blinky => "blinky",
-            GhostType::Pinky => "pinky",
-            GhostType::Inky => "inky",
-            GhostType::Clyde => "clyde",
-        }
-    }
+// impl GhostType {
+//     /// Returns the ghost type name for atlas lookups.
+//     pub fn as_str(self) -> &'static str {
+//         match self {
+//             GhostType::Blinky => "blinky",
+//             GhostType::Pinky => "pinky",
+//             GhostType::Inky => "inky",
+//             GhostType::Clyde => "clyde",
+//         }
+//     }

-    /// Returns the base movement speed for this ghost type.
-    pub fn base_speed(self) -> f32 {
-        match self {
-            GhostType::Blinky => 1.0,
-            GhostType::Pinky => 0.95,
-            GhostType::Inky => 0.9,
-            GhostType::Clyde => 0.85,
-        }
-    }
-}
+//     /// Returns the base movement speed for this ghost type.
+//     pub fn base_speed(self) -> f32 {
+//         match self {
+//             GhostType::Blinky => 1.0,
+//             GhostType::Pinky => 0.95,
+//             GhostType::Inky => 0.9,
+//             GhostType::Clyde => 0.85,
+//         }
+//     }
+// }

-/// A ghost entity that roams the game world.
-///
-/// Ghosts move through the game world using a graph-based navigation system
-/// and display directional animated sprites. They randomly choose directions
-/// at each intersection.
-pub struct Ghost {
-    /// Handles movement through the game graph
-    pub traverser: Traverser,
-    /// The type of ghost (affects appearance and speed)
-    pub ghost_type: GhostType,
-    /// Manages directional animated textures for different movement states
-    texture: DirectionalAnimatedTexture,
-    /// Current movement speed
-    speed: f32,
-}
+// /// A ghost entity that roams the game world.
+// ///
+// /// Ghosts move through the game world using a graph-based navigation system
+// /// and display directional animated sprites. They randomly choose directions
+// /// at each intersection.
+// pub struct Ghost {
+//     /// Handles movement through the game graph
+//     pub traverser: Traverser,
+//     /// The type of ghost (affects appearance and speed)
+//     pub ghost_type: GhostType,
+//     /// Manages directional animated textures for different movement states
+//     texture: DirectionalAnimatedTexture,
+//     /// Current movement speed
+//     speed: f32,
+// }

-impl Entity for Ghost {
-    fn traverser(&self) -> &Traverser {
-        &self.traverser
-    }
+// impl Entity for Ghost {
+//     fn traverser(&self) -> &Traverser {
+//         &self.traverser
+//     }

-    fn traverser_mut(&mut self) -> &mut Traverser {
-        &mut self.traverser
-    }
+//     fn traverser_mut(&mut self) -> &mut Traverser {
+//         &mut self.traverser
+//     }

-    fn texture(&self) -> &DirectionalAnimatedTexture {
-        &self.texture
-    }
+//     fn texture(&self) -> &DirectionalAnimatedTexture {
+//         &self.texture
+//     }

-    fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture {
-        &mut self.texture
-    }
+//     fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture {
+//         &mut self.texture
+//     }

-    fn speed(&self) -> f32 {
-        self.speed
-    }
+//     fn speed(&self) -> f32 {
+//         self.speed
+//     }

-    fn can_traverse(&self, edge: Edge) -> bool {
-        can_ghost_traverse(edge)
-    }
+//     fn can_traverse(&self, edge: Edge) -> bool {
+//         can_ghost_traverse(edge)
+//     }

-    fn tick(&mut self, dt: f32, graph: &Graph) {
-        // Choose random direction when at a node
-        if self.traverser.position.is_at_node() {
-            self.choose_random_direction(graph);
-        }
+//     fn tick(&mut self, dt: f32, graph: &Graph) {
+//         // Choose random direction when at a node
+//         if self.traverser.position.is_at_node() {
+//             self.choose_random_direction(graph);
+//         }

-        if let Err(e) = self.traverser.advance(graph, dt * 60.0 * self.speed, &can_ghost_traverse) {
-            error!("Ghost movement error: {}", e);
-        }
-        self.texture.tick(dt);
-    }
-}
+//         if let Err(e) = self.traverser.advance(graph, dt * 60.0 * self.speed, &can_ghost_traverse) {
+//             error!("Ghost movement error: {}", e);
+//         }
+//         self.texture.tick(dt);
+//     }
+// }

-impl Ghost {
-    /// Creates a new ghost instance at the specified starting node.
-    ///
-    /// Sets up animated textures for all four directions with moving and stopped states.
-    /// The moving animation cycles through two sprite variants.
-    pub fn new(graph: &Graph, start_node: NodeId, ghost_type: GhostType, atlas: &SpriteAtlas) -> GameResult<Self> {
-        let mut textures = [None, None, None, None];
-        let mut stopped_textures = [None, None, None, None];
+// impl Ghost {
+//     /// Creates a new ghost instance at the specified starting node.
+//     ///
+//     /// Sets up animated textures for all four directions with moving and stopped states.
+//     /// The moving animation cycles through two sprite variants.
+//     pub fn new(graph: &Graph, start_node: NodeId, ghost_type: GhostType, atlas: &SpriteAtlas) -> GameResult<Self> {
+//         let mut textures = [None, None, None, None];
+//         let mut stopped_textures = [None, None, None, None];

-        for direction in Direction::DIRECTIONS {
-            let moving_prefix = match direction {
-                Direction::Up => "up",
-                Direction::Down => "down",
-                Direction::Left => "left",
-                Direction::Right => "right",
-            };
-            let moving_tiles = vec![
-                SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "a"))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/{}_{}.png",
-                            ghost_type.as_str(),
-                            moving_prefix,
-                            "a"
-                        )))
-                    })?,
-                SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "b"))
-                    .ok_or_else(|| {
-                        GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                            "ghost/{}/{}_{}.png",
-                            ghost_type.as_str(),
-                            moving_prefix,
-                            "b"
-                        )))
-                    })?,
-            ];
+//         for direction in Direction::DIRECTIONS {
+//             let moving_prefix = match direction {
+//                 Direction::Up => "up",
+//                 Direction::Down => "down",
+//                 Direction::Left => "left",
+//                 Direction::Right => "right",
+//             };
+//             let moving_tiles = vec![
+//                 SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "a"))
+//                     .ok_or_else(|| {
+//                         GameError::Texture(TextureError::AtlasTileNotFound(format!(
+//                             "ghost/{}/{}_{}.png",
+//                             ghost_type.as_str(),
+//                             moving_prefix,
+//                             "a"
+//                         )))
+//                     })?,
+//                 SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "b"))
+//                     .ok_or_else(|| {
+//                         GameError::Texture(TextureError::AtlasTileNotFound(format!(
+//                             "ghost/{}/{}_{}.png",
+//                             ghost_type.as_str(),
+//                             moving_prefix,
+//                             "b"
+//                         )))
+//                     })?,
+//             ];

-            let stopped_tiles =
-                vec![
-                    SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "a"))
-                        .ok_or_else(|| {
-                            GameError::Texture(TextureError::AtlasTileNotFound(format!(
-                                "ghost/{}/{}_{}.png",
-                                ghost_type.as_str(),
-                                moving_prefix,
-                                "a"
-                            )))
-                        })?,
-                ];
+//             let stopped_tiles =
+//                 vec![
+//                     SpriteAtlas::get_tile(atlas, &format!("ghost/{}/{}_{}.png", ghost_type.as_str(), moving_prefix, "a"))
+//                         .ok_or_else(|| {
+//                             GameError::Texture(TextureError::AtlasTileNotFound(format!(
+//                                 "ghost/{}/{}_{}.png",
+//                                 ghost_type.as_str(),
+//                                 moving_prefix,
+//                                 "a"
+//                             )))
+//                         })?,
+//                 ];

-            textures[direction.as_usize()] = Some(AnimatedTexture::new(moving_tiles, 0.2)?);
-            stopped_textures[direction.as_usize()] = Some(AnimatedTexture::new(stopped_tiles, 0.1)?);
-        }
+//             textures[direction.as_usize()] = Some(AnimatedTexture::new(moving_tiles, 0.2)?);
+//             stopped_textures[direction.as_usize()] = Some(AnimatedTexture::new(stopped_tiles, 0.1)?);
+//         }

-        Ok(Self {
-            traverser: Traverser::new(graph, start_node, Direction::Left, &can_ghost_traverse),
-            ghost_type,
-            texture: DirectionalAnimatedTexture::new(textures, stopped_textures),
-            speed: ghost_type.base_speed(),
-        })
-    }
+//         Ok(Self {
+//             traverser: Traverser::new(graph, start_node, Direction::Left, &can_ghost_traverse),
+//             ghost_type,
+//             texture: DirectionalAnimatedTexture::new(textures, stopped_textures),
+//             speed: ghost_type.base_speed(),
+//         })
+//     }

-    /// Chooses a random available direction at the current intersection.
-    fn choose_random_direction(&mut self, graph: &Graph) {
-        let current_node = self.traverser.position.from_node_id();
-        let intersection = &graph.adjacency_list[current_node];
+//     /// Chooses a random available direction at the current intersection.
+//     fn choose_random_direction(&mut self, graph: &Graph) {
+//         let current_node = self.traverser.position.from_node_id();
+//         let intersection = &graph.adjacency_list[current_node];

-        // Collect all available directions
-        let mut available_directions = SmallVec::<[_; 4]>::new();
-        for direction in Direction::DIRECTIONS {
-            if let Some(edge) = intersection.get(direction) {
-                if can_ghost_traverse(edge) {
-                    available_directions.push(direction);
-                }
-            }
-        }
-        // Choose a random direction (avoid reversing unless necessary)
-        if !available_directions.is_empty() {
-            let mut rng = SmallRng::from_os_rng();
+//         // Collect all available directions
+//         let mut available_directions = SmallVec::<[_; 4]>::new();
+//         for direction in Direction::DIRECTIONS {
+//             if let Some(edge) = intersection.get(direction) {
+//                 if can_ghost_traverse(edge) {
+//                     available_directions.push(direction);
+//                 }
+//             }
+//         }
+//         // Choose a random direction (avoid reversing unless necessary)
+//         if !available_directions.is_empty() {
+//             let mut rng = SmallRng::from_os_rng();

-            // Filter out the opposite direction if possible, but allow it if we have limited options
-            let opposite = self.traverser.direction.opposite();
-            let filtered_directions: Vec<_> = available_directions
-                .iter()
-                .filter(|&&dir| dir != opposite || available_directions.len() <= 2)
-                .collect();
+//             // Filter out the opposite direction if possible, but allow it if we have limited options
+//             let opposite = self.traverser.direction.opposite();
+//             let filtered_directions: Vec<_> = available_directions
+//                 .iter()
+//                 .filter(|&&dir| dir != opposite || available_directions.len() <= 2)
+//                 .collect();

-            if let Some(&random_direction) = filtered_directions.choose(&mut rng) {
-                self.traverser.set_next_direction(*random_direction);
-            }
-        }
-    }
+//             if let Some(&random_direction) = filtered_directions.choose(&mut rng) {
+//                 self.traverser.set_next_direction(*random_direction);
+//             }
+//         }
+//     }

-    /// Calculates the shortest path from the ghost's current position to a target node using Dijkstra's algorithm.
-    ///
-    /// Returns a vector of NodeIds representing the path, or an error if pathfinding fails.
-    /// The path includes the current node and the target node.
-    pub fn calculate_path_to_target(&self, graph: &Graph, target: NodeId) -> GameResult<Vec<NodeId>> {
-        let start_node = self.traverser.position.from_node_id();
+//     /// Calculates the shortest path from the ghost's current position to a target node using Dijkstra's algorithm.
+//     ///
+//     /// Returns a vector of NodeIds representing the path, or an error if pathfinding fails.
+//     /// The path includes the current node and the target node.
+//     pub fn calculate_path_to_target(&self, graph: &Graph, target: NodeId) -> GameResult<Vec<NodeId>> {
+//         let start_node = self.traverser.position.from_node_id();

-        // Use Dijkstra's algorithm to find the shortest path
-        let result = dijkstra(
-            &start_node,
-            |&node_id| {
-                // Get all edges from the current node
-                graph.adjacency_list[node_id]
-                    .edges()
-                    .filter(|edge| can_ghost_traverse(*edge))
-                    .map(|edge| (edge.target, (edge.distance * 100.0) as u32))
-                    .collect::<Vec<_>>()
-            },
-            |&node_id| node_id == target,
-        );
+//         // Use Dijkstra's algorithm to find the shortest path
+//         let result = dijkstra(
+//             &start_node,
+//             |&node_id| {
+//                 // Get all edges from the current node
+//                 graph.adjacency_list[node_id]
+//                     .edges()
+//                     .filter(|edge| can_ghost_traverse(*edge))
+//                     .map(|edge| (edge.target, (edge.distance * 100.0) as u32))
+//                     .collect::<Vec<_>>()
+//             },
+//             |&node_id| node_id == target,
+//         );

-        result.map(|(path, _cost)| path).ok_or_else(|| {
-            GameError::Entity(EntityError::PathfindingFailed(format!(
-                "No path found from node {} to target {}",
-                start_node, target
-            )))
-        })
-    }
+//         result.map(|(path, _cost)| path).ok_or_else(|| {
+//             GameError::Entity(EntityError::PathfindingFailed(format!(
+//                 "No path found from node {} to target {}",
+//                 start_node, target
+//             )))
+//         })
+//     }

-    /// Returns the ghost's color for debug rendering.
-    pub fn debug_color(&self) -> sdl2::pixels::Color {
-        match self.ghost_type {
-            GhostType::Blinky => sdl2::pixels::Color::RGB(255, 0, 0),    // Red
-            GhostType::Pinky => sdl2::pixels::Color::RGB(255, 182, 255), // Pink
-            GhostType::Inky => sdl2::pixels::Color::RGB(0, 255, 255),    // Cyan
-            GhostType::Clyde => sdl2::pixels::Color::RGB(255, 182, 85),  // Orange
-        }
-    }
-}
+//     /// Returns the ghost's color for debug rendering.
+//     pub fn debug_color(&self) -> sdl2::pixels::Color {
+//         match self.ghost_type {
+//             GhostType::Blinky => sdl2::pixels::Color::RGB(255, 0, 0),    // Red
+//             GhostType::Pinky => sdl2::pixels::Color::RGB(255, 182, 255), // Pink
+//             GhostType::Inky => sdl2::pixels::Color::RGB(0, 255, 255),    // Cyan
+//             GhostType::Clyde => sdl2::pixels::Color::RGB(255, 182, 85),  // Orange
+//         }
+//     }
+// }

-impl Collidable for Ghost {
-    fn position(&self) -> crate::entity::traversal::Position {
-        self.traverser.position
-    }
-}
+// impl Collidable for Ghost {
+//     fn position(&self) -> crate::entity::traversal::Position {
+//         self.traverser.position
+//     }
+// }
--- a/src/entity/graph.rs
+++ b/src/entity/graph.rs
@@ -1,9 +1,8 @@
 use glam::Vec2;

-use super::direction::Direction;
+use crate::systems::components::NodeId;

-/// A unique identifier for a node, represented by its index in the graph's storage.
-pub type NodeId = usize;
+use super::direction::Direction;

 /// Defines who can traverse a given edge.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
--- a/src/entity/item.rs
+++ b/src/entity/item.rs
@@ -1,117 +1,117 @@
-use crate::{
-    constants,
-    entity::{collision::Collidable, graph::Graph},
-    error::{EntityError, GameResult},
-    texture::sprite::{Sprite, SpriteAtlas},
-};
-use sdl2::render::{Canvas, RenderTarget};
-use strum_macros::{EnumCount, EnumIter};
+// use crate::{
+//     constants,
+//     entity::{collision::Collidable, graph::Graph},
+//     error::{EntityError, GameResult},
+//     texture::sprite::{Sprite, SpriteAtlas},
+// };
+// use sdl2::render::{Canvas, RenderTarget};
+// use strum_macros::{EnumCount, EnumIter};

-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ItemType {
-    Pellet,
-    Energizer,
-    #[allow(dead_code)]
-    Fruit {
-        kind: FruitKind,
-    },
-}
+// #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+// pub enum ItemType {
+//     Pellet,
+//     Energizer,
+//     #[allow(dead_code)]
+//     Fruit {
+//         kind: FruitKind,
+//     },
+// }

-impl ItemType {
-    pub fn get_score(self) -> u32 {
-        match self {
-            ItemType::Pellet => 10,
-            ItemType::Energizer => 50,
-            ItemType::Fruit { kind } => kind.get_score(),
-        }
-    }
-}
+// impl ItemType {
+//     pub fn get_score(self) -> u32 {
+//         match self {
+//             ItemType::Pellet => 10,
+//             ItemType::Energizer => 50,
+//             ItemType::Fruit { kind } => kind.get_score(),
+//         }
+//     }
+// }

-#[derive(Debug, Clone, Copy, PartialEq, Eq, EnumIter, EnumCount)]
-#[allow(dead_code)]
-pub enum FruitKind {
-    Apple,
-    Strawberry,
-    Orange,
-    Melon,
-    Bell,
-    Key,
-    Galaxian,
-}
+// #[derive(Debug, Clone, Copy, PartialEq, Eq, EnumIter, EnumCount)]
+// #[allow(dead_code)]
+// pub enum FruitKind {
+//     Apple,
+//     Strawberry,
+//     Orange,
+//     Melon,
+//     Bell,
+//     Key,
+//     Galaxian,
+// }

-impl FruitKind {
-    #[allow(dead_code)]
-    pub fn index(self) -> u8 {
-        match self {
-            FruitKind::Apple => 0,
-            FruitKind::Strawberry => 1,
-            FruitKind::Orange => 2,
-            FruitKind::Melon => 3,
-            FruitKind::Bell => 4,
-            FruitKind::Key => 5,
-            FruitKind::Galaxian => 6,
-        }
-    }
+// impl FruitKind {
+//     #[allow(dead_code)]
+//     pub fn index(self) -> u8 {
+//         match self {
+//             FruitKind::Apple => 0,
+//             FruitKind::Strawberry => 1,
+//             FruitKind::Orange => 2,
+//             FruitKind::Melon => 3,
+//             FruitKind::Bell => 4,
+//             FruitKind::Key => 5,
+//             FruitKind::Galaxian => 6,
+//         }
+//     }

-    pub fn get_score(self) -> u32 {
-        match self {
-            FruitKind::Apple => 100,
-            FruitKind::Strawberry => 300,
-            FruitKind::Orange => 500,
-            FruitKind::Melon => 700,
-            FruitKind::Bell => 1000,
-            FruitKind::Key => 2000,
-            FruitKind::Galaxian => 3000,
-        }
-    }
-}
+//     pub fn get_score(self) -> u32 {
+//         match self {
+//             FruitKind::Apple => 100,
+//             FruitKind::Strawberry => 300,
+//             FruitKind::Orange => 500,
+//             FruitKind::Melon => 700,
+//             FruitKind::Bell => 1000,
+//             FruitKind::Key => 2000,
+//             FruitKind::Galaxian => 3000,
+//         }
+//     }
+// }

-pub struct Item {
-    pub node_index: usize,
-    pub item_type: ItemType,
-    pub sprite: Sprite,
-    pub collected: bool,
-}
+// pub struct Item {
+//     pub node_index: usize,
+//     pub item_type: ItemType,
+//     pub sprite: Sprite,
+//     pub collected: bool,
+// }

-impl Item {
-    pub fn new(node_index: usize, item_type: ItemType, sprite: Sprite) -> Self {
-        Self {
-            node_index,
-            item_type,
-            sprite,
-            collected: false,
-        }
-    }
+// impl Item {
+//     pub fn new(node_index: usize, item_type: ItemType, sprite: Sprite) -> Self {
+//         Self {
+//             node_index,
+//             item_type,
+//             sprite,
+//             collected: false,
+//         }
+//     }

-    pub fn is_collected(&self) -> bool {
-        self.collected
-    }
+//     pub fn is_collected(&self) -> bool {
+//         self.collected
+//     }

-    pub fn collect(&mut self) {
-        self.collected = true;
-    }
+//     pub fn collect(&mut self) {
+//         self.collected = true;
+//     }

-    pub fn get_score(&self) -> u32 {
-        self.item_type.get_score()
-    }
+//     pub fn get_score(&self) -> u32 {
+//         self.item_type.get_score()
+//     }

-    pub fn render<T: RenderTarget>(&self, canvas: &mut Canvas<T>, atlas: &mut SpriteAtlas, graph: &Graph) -> GameResult<()> {
-        if self.collected {
-            return Ok(());
-        }
+//     pub fn render<T: RenderTarget>(&self, canvas: &mut Canvas<T>, atlas: &mut SpriteAtlas, graph: &Graph) -> GameResult<()> {
+//         if self.collected {
+//             return Ok(());
+//         }

-        let node = graph
-            .get_node(self.node_index)
-            .ok_or(EntityError::NodeNotFound(self.node_index))?;
-        let position = node.position + constants::BOARD_PIXEL_OFFSET.as_vec2();
+//         let node = graph
+//             .get_node(self.node_index)
+//             .ok_or(EntityError::NodeNotFound(self.node_index))?;
+//         let position = node.position + constants::BOARD_PIXEL_OFFSET.as_vec2();

-        self.sprite.render(canvas, atlas, position)?;
-        Ok(())
-    }
-}
+//         self.sprite.render(canvas, atlas, position)?;
+//         Ok(())
+//     }
+// }

-impl Collidable for Item {
-    fn position(&self) -> crate::entity::traversal::Position {
-        crate::entity::traversal::Position::AtNode(self.node_index)
-    }
-}
+// impl Collidable for Item {
+//     fn position(&self) -> crate::entity::traversal::Position {
+//         crate::entity::traversal::Position::AtNode(self.node_index)
+//     }
+// }
--- a/src/entity/mod.rs
+++ b/src/entity/mod.rs
@@ -5,4 +5,3 @@ pub mod graph;
 pub mod item;
 pub mod pacman;
 pub mod r#trait;
-pub mod traversal;
--- a/src/entity/pacman.rs
+++ b/src/entity/pacman.rs
@@ -1,134 +1,115 @@
-//! Pac-Man entity implementation.
-//!
-//! This module contains the main player character logic, including movement,
-//! animation, and rendering. Pac-Man moves through the game graph using
-//! a traverser and displays directional animated textures.
+// //! Pac-Man entity implementation.
+// //!
+// //! This module contains the main player character logic, including movement,
+// //! animation, and rendering. Pac-Man moves through the game graph using
+// //! a traverser and displays directional animated textures.

-use crate::entity::{
-    collision::Collidable,
-    direction::Direction,
-    graph::{Edge, EdgePermissions, Graph, NodeId},
-    r#trait::Entity,
-    traversal::Traverser,
-};
-use crate::texture::animated::AnimatedTexture;
-use crate::texture::directional::DirectionalAnimatedTexture;
-use crate::texture::sprite::SpriteAtlas;
-use sdl2::keyboard::Keycode;
-use tracing::error;
+// use crate::entity::{
+//     collision::Collidable,
+//     direction::Direction,
+//     graph::{Edge, EdgePermissions, Graph, NodeId},
+//     r#trait::Entity,
+//     traversal::Traverser,
+// };
+// use crate::texture::animated::AnimatedTexture;
+// use crate::texture::directional::DirectionalAnimatedTexture;
+// use crate::texture::sprite::SpriteAtlas;
+// use tracing::error;

-use crate::error::{GameError, GameResult, TextureError};
+// use crate::error::{GameError, GameResult, TextureError};

-/// Determines if Pac-Man can traverse a given edge.
-///
-/// Pac-Man can only move through edges that allow all entities.
-fn can_pacman_traverse(edge: Edge) -> bool {
-    matches!(edge.permissions, EdgePermissions::All)
-}
+// /// Determines if Pac-Man can traverse a given edge.
+// ///
+// /// Pac-Man can only move through edges that allow all entities.
+// fn can_pacman_traverse(edge: Edge) -> bool {
+//     matches!(edge.permissions, EdgePermissions::All)
+// }

-/// The main player character entity.
-///
-/// Pac-Man moves through the game world using a graph-based navigation system
-/// and displays directional animated sprites based on movement state.
-pub struct Pacman {
-    /// Handles movement through the game graph
-    pub traverser: Traverser,
-    /// Manages directional animated textures for different movement states
-    texture: DirectionalAnimatedTexture,
-}
+// /// The main player character entity.
+// ///
+// /// Pac-Man moves through the game world using a graph-based navigation system
+// /// and displays directional animated sprites based on movement state.
+// pub struct Pacman {
+//     /// Handles movement through the game graph
+//     pub traverser: Traverser,
+//     /// Manages directional animated textures for different movement states
+//     texture: DirectionalAnimatedTexture,
+// }

-impl Entity for Pacman {
-    fn traverser(&self) -> &Traverser {
-        &self.traverser
-    }
+// impl Entity for Pacman {
+//     fn traverser(&self) -> &Traverser {
+//         &self.traverser
+//     }

-    fn traverser_mut(&mut self) -> &mut Traverser {
-        &mut self.traverser
-    }
+//     fn traverser_mut(&mut self) -> &mut Traverser {
+//         &mut self.traverser
+//     }

-    fn texture(&self) -> &DirectionalAnimatedTexture {
-        &self.texture
-    }
+//     fn texture(&self) -> &DirectionalAnimatedTexture {
+//         &self.texture
+//     }

-    fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture {
-        &mut self.texture
-    }
+//     fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture {
+//         &mut self.texture
+//     }

-    fn speed(&self) -> f32 {
-        1.125
-    }
+//     fn speed(&self) -> f32 {
+//         1.125
+//     }

-    fn can_traverse(&self, edge: Edge) -> bool {
-        can_pacman_traverse(edge)
-    }
+//     fn can_traverse(&self, edge: Edge) -> bool {
+//         can_pacman_traverse(edge)
+//     }

-    fn tick(&mut self, dt: f32, graph: &Graph) {
-        if let Err(e) = self.traverser.advance(graph, dt * 60.0 * 1.125, &can_pacman_traverse) {
-            error!("Pac-Man movement error: {}", e);
-        }
-        self.texture.tick(dt);
-    }
-}
+//     fn tick(&mut self, dt: f32, graph: &Graph) {
+//         if let Err(e) = self.traverser.advance(graph, dt * 60.0 * 1.125, &can_pacman_traverse) {
+//             error!("Pac-Man movement error: {}", e);
+//         }
+//         self.texture.tick(dt);
+//     }
+// }

-impl Pacman {
-    /// Creates a new Pac-Man instance at the specified starting node.
-    ///
-    /// Sets up animated textures for all four directions with moving and stopped states.
-    /// The moving animation cycles through open mouth, closed mouth, and full sprites.
-    pub fn new(graph: &Graph, start_node: NodeId, atlas: &SpriteAtlas) -> GameResult<Self> {
-        let mut textures = [None, None, None, None];
-        let mut stopped_textures = [None, None, None, None];
+// impl Pacman {
+//     /// Creates a new Pac-Man instance at the specified starting node.
+//     ///
+//     /// Sets up animated textures for all four directions with moving and stopped states.
+//     /// The moving animation cycles through open mouth, closed mouth, and full sprites.
+//     pub fn new(graph: &Graph, start_node: NodeId, atlas: &SpriteAtlas) -> GameResult<Self> {
+//         let mut textures = [None, None, None, None];
+//         let mut stopped_textures = [None, None, None, None];

-        for direction in Direction::DIRECTIONS {
-            let moving_prefix = match direction {
-                Direction::Up => "pacman/up",
-                Direction::Down => "pacman/down",
-                Direction::Left => "pacman/left",
-                Direction::Right => "pacman/right",
-            };
-            let moving_tiles = vec![
-                SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_a.png"))
-                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_a.png"))))?,
-                SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_b.png"))
-                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?,
-                SpriteAtlas::get_tile(atlas, "pacman/full.png")
-                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
-            ];
+//         for direction in Direction::DIRECTIONS {
+//             let moving_prefix = match direction {
+//                 Direction::Up => "pacman/up",
+//                 Direction::Down => "pacman/down",
+//                 Direction::Left => "pacman/left",
+//                 Direction::Right => "pacman/right",
+//             };
+//             let moving_tiles = vec![
+//                 SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_a.png"))
+//                     .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_a.png"))))?,
+//                 SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_b.png"))
+//                     .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?,
+//                 SpriteAtlas::get_tile(atlas, "pacman/full.png")
+//                     .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+//             ];

-            let stopped_tiles = vec![SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_b.png"))
-                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?];
+//             let stopped_tiles = vec![SpriteAtlas::get_tile(atlas, &format!("{moving_prefix}_b.png"))
+//                 .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?];

-            textures[direction.as_usize()] = Some(AnimatedTexture::new(moving_tiles, 0.08)?);
-            stopped_textures[direction.as_usize()] = Some(AnimatedTexture::new(stopped_tiles, 0.1)?);
-        }
+//             textures[direction.as_usize()] = Some(AnimatedTexture::new(moving_tiles, 0.08)?);
+//             stopped_textures[direction.as_usize()] = Some(AnimatedTexture::new(stopped_tiles, 0.1)?);
+//         }

-        Ok(Self {
-            traverser: Traverser::new(graph, start_node, Direction::Left, &can_pacman_traverse),
-            texture: DirectionalAnimatedTexture::new(textures, stopped_textures),
-        })
-    }
+//         Ok(Self {
+//             traverser: Traverser::new(graph, start_node, Direction::Left, &can_pacman_traverse),
+//             texture: DirectionalAnimatedTexture::new(textures, stopped_textures),
+//         })
+//     }
+// }

-    /// Handles keyboard input to change Pac-Man's direction.
-    ///
-    /// Maps arrow keys to directions and queues the direction change
-    /// for the next valid intersection.
-    pub fn handle_key(&mut self, keycode: Keycode) {
-        let direction = match keycode {
-            Keycode::Up => Some(Direction::Up),
-            Keycode::Down => Some(Direction::Down),
-            Keycode::Left => Some(Direction::Left),
-            Keycode::Right => Some(Direction::Right),
-            _ => None,
-        };
-
-        if let Some(direction) = direction {
-            self.traverser.set_next_direction(direction);
-        }
-    }
-}
-
-impl Collidable for Pacman {
-    fn position(&self) -> crate::entity::traversal::Position {
-        self.traverser.position
-    }
-}
+// impl Collidable for Pacman {
+//     fn position(&self) -> crate::entity::traversal::Position {
+//         self.traverser.position
+//     }
+// }
--- a/src/entity/trait.rs
+++ b/src/entity/trait.rs
@@ -1,114 +1,114 @@
-//! Entity trait for common movement and rendering functionality.
-//!
-//! This module defines a trait that captures the shared behavior between
-//! different game entities like Ghosts and Pac-Man, including movement,
-//! rendering, and position calculations.
+// //! Entity trait for common movement and rendering functionality.
+// //!
+// //! This module defines a trait that captures the shared behavior between
+// //! different game entities like Ghosts and Pac-Man, including movement,
+// //! rendering, and position calculations.

-use glam::Vec2;
-use sdl2::render::{Canvas, RenderTarget};
+// use glam::Vec2;
+// use sdl2::render::{Canvas, RenderTarget};

-use crate::entity::direction::Direction;
-use crate::entity::graph::{Edge, Graph, NodeId};
-use crate::entity::traversal::{Position, Traverser};
-use crate::error::{EntityError, GameError, GameResult, TextureError};
-use crate::texture::directional::DirectionalAnimatedTexture;
-use crate::texture::sprite::SpriteAtlas;
+// use crate::entity::direction::Direction;
+// use crate::entity::graph::{Edge, Graph, NodeId};
+// use crate::entity::traversal::{Position, Traverser};
+// use crate::error::{EntityError, GameError, GameResult, TextureError};
+// use crate::texture::directional::DirectionalAnimatedTexture;
+// use crate::texture::sprite::SpriteAtlas;

-/// Trait defining common functionality for game entities that move through the graph.
-///
-/// This trait provides a unified interface for entities that:
-/// - Move through the game graph using a traverser
-/// - Render using directional animated textures
-/// - Have position calculations and movement speed
-#[allow(dead_code)]
-pub trait Entity {
-    /// Returns a reference to the entity's traverser for movement control.
-    fn traverser(&self) -> &Traverser;
+// /// Trait defining common functionality for game entities that move through the graph.
+// ///
+// /// This trait provides a unified interface for entities that:
+// /// - Move through the game graph using a traverser
+// /// - Render using directional animated textures
+// /// - Have position calculations and movement speed
+// #[allow(dead_code)]
+// pub trait Entity {
+//     /// Returns a reference to the entity's traverser for movement control.
+//     fn traverser(&self) -> &Traverser;

-    /// Returns a mutable reference to the entity's traverser for movement control.
-    fn traverser_mut(&mut self) -> &mut Traverser;
+//     /// Returns a mutable reference to the entity's traverser for movement control.
+//     fn traverser_mut(&mut self) -> &mut Traverser;

-    /// Returns a reference to the entity's directional animated texture.
-    fn texture(&self) -> &DirectionalAnimatedTexture;
+//     /// Returns a reference to the entity's directional animated texture.
+//     fn texture(&self) -> &DirectionalAnimatedTexture;

-    /// Returns a mutable reference to the entity's directional animated texture.
-    fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture;
+//     /// Returns a mutable reference to the entity's directional animated texture.
+//     fn texture_mut(&mut self) -> &mut DirectionalAnimatedTexture;

-    /// Returns the movement speed multiplier for this entity.
-    fn speed(&self) -> f32;
+//     /// Returns the movement speed multiplier for this entity.
+//     fn speed(&self) -> f32;

-    /// Determines if this entity can traverse a given edge.
-    fn can_traverse(&self, edge: Edge) -> bool;
+//     /// Determines if this entity can traverse a given edge.
+//     fn can_traverse(&self, edge: Edge) -> bool;

-    /// Updates the entity's position and animation state.
-    ///
-    /// This method advances movement through the graph and updates texture animation.
-    fn tick(&mut self, dt: f32, graph: &Graph);
+//     /// Updates the entity's position and animation state.
+//     ///
+//     /// This method advances movement through the graph and updates texture animation.
+//     fn tick(&mut self, dt: f32, graph: &Graph);

-    /// Calculates the current pixel position in the game world.
-    ///
-    /// Converts the graph position to screen coordinates, accounting for
-    /// the board offset and centering the sprite.
-    fn get_pixel_pos(&self, graph: &Graph) -> GameResult<Vec2> {
-        let pos = match self.traverser().position {
-            Position::AtNode(node_id) => {
-                let node = graph.get_node(node_id).ok_or(EntityError::NodeNotFound(node_id))?;
-                node.position
-            }
-            Position::BetweenNodes { from, to, traversed } => {
-                let from_node = graph.get_node(from).ok_or(EntityError::NodeNotFound(from))?;
-                let to_node = graph.get_node(to).ok_or(EntityError::NodeNotFound(to))?;
-                let edge = graph.find_edge(from, to).ok_or(EntityError::EdgeNotFound { from, to })?;
-                from_node.position + (to_node.position - from_node.position) * (traversed / edge.distance)
-            }
-        };
+//     /// Calculates the current pixel position in the game world.
+//     ///
+//     /// Converts the graph position to screen coordinates, accounting for
+//     /// the board offset and centering the sprite.
+//     fn get_pixel_pos(&self, graph: &Graph) -> GameResult<Vec2> {
+//         let pos = match self.traverser().position {
+//             Position::AtNode(node_id) => {
+//                 let node = graph.get_node(node_id).ok_or(EntityError::NodeNotFound(node_id))?;
+//                 node.position
+//             }
+//             Position::BetweenNodes { from, to, traversed } => {
+//                 let from_node = graph.get_node(from).ok_or(EntityError::NodeNotFound(from))?;
+//                 let to_node = graph.get_node(to).ok_or(EntityError::NodeNotFound(to))?;
+//                 let edge = graph.find_edge(from, to).ok_or(EntityError::EdgeNotFound { from, to })?;
+//                 from_node.position + (to_node.position - from_node.position) * (traversed / edge.distance)
+//             }
+//         };

-        Ok(Vec2::new(
-            pos.x + crate::constants::BOARD_PIXEL_OFFSET.x as f32,
-            pos.y + crate::constants::BOARD_PIXEL_OFFSET.y as f32,
-        ))
-    }
+//         Ok(Vec2::new(
+//             pos.x + crate::constants::BOARD_PIXEL_OFFSET.x as f32,
+//             pos.y + crate::constants::BOARD_PIXEL_OFFSET.y as f32,
+//         ))
+//     }

-    /// Returns the current node ID that the entity is at or moving towards.
-    ///
-    /// If the entity is at a node, returns that node ID.
-    /// If the entity is between nodes, returns the node it's moving towards.
-    fn current_node_id(&self) -> NodeId {
-        match self.traverser().position {
-            Position::AtNode(node_id) => node_id,
-            Position::BetweenNodes { to, .. } => to,
-        }
-    }
+//     /// Returns the current node ID that the entity is at or moving towards.
+//     ///
+//     /// If the entity is at a node, returns that node ID.
+//     /// If the entity is between nodes, returns the node it's moving towards.
+//     fn current_node_id(&self) -> NodeId {
+//         match self.traverser().position {
+//             Position::AtNode(node_id) => node_id,
+//             Position::BetweenNodes { to, .. } => to,
+//         }
+//     }

-    /// Sets the next direction for the entity to take.
-    ///
-    /// The direction is buffered and will be applied at the next opportunity,
-    /// typically when the entity reaches a new node.
-    fn set_next_direction(&mut self, direction: Direction) {
-        self.traverser_mut().set_next_direction(direction);
-    }
+//     /// Sets the next direction for the entity to take.
+//     ///
+//     /// The direction is buffered and will be applied at the next opportunity,
+//     /// typically when the entity reaches a new node.
+//     fn set_next_direction(&mut self, direction: Direction) {
+//         self.traverser_mut().set_next_direction(direction);
+//     }

-    /// Renders the entity at its current position.
-    ///
-    /// Draws the appropriate directional sprite based on the entity's
-    /// current movement state and direction.
-    fn render<T: RenderTarget>(&self, canvas: &mut Canvas<T>, atlas: &mut SpriteAtlas, graph: &Graph) -> GameResult<()> {
-        let pixel_pos = self.get_pixel_pos(graph)?;
-        let dest = crate::helpers::centered_with_size(
-            glam::IVec2::new(pixel_pos.x as i32, pixel_pos.y as i32),
-            glam::UVec2::new(16, 16),
-        );
+//     /// Renders the entity at its current position.
+//     ///
+//     /// Draws the appropriate directional sprite based on the entity's
+//     /// current movement state and direction.
+//     fn render<T: RenderTarget>(&self, canvas: &mut Canvas<T>, atlas: &mut SpriteAtlas, graph: &Graph) -> GameResult<()> {
+//         let pixel_pos = self.get_pixel_pos(graph)?;
+//         let dest = crate::helpers::centered_with_size(
+//             glam::IVec2::new(pixel_pos.x as i32, pixel_pos.y as i32),
+//             glam::UVec2::new(16, 16),
+//         );

-        if self.traverser().position.is_stopped() {
-            self.texture()
-                .render_stopped(canvas, atlas, dest, self.traverser().direction)
-                .map_err(|e| GameError::Texture(TextureError::RenderFailed(e.to_string())))?;
-        } else {
-            self.texture()
-                .render(canvas, atlas, dest, self.traverser().direction)
-                .map_err(|e| GameError::Texture(TextureError::RenderFailed(e.to_string())))?;
-        }
+//         if self.traverser().position.is_stopped() {
+//             self.texture()
+//                 .render_stopped(canvas, atlas, dest, self.traverser().direction)
+//                 .map_err(|e| GameError::Texture(TextureError::RenderFailed(e.to_string())))?;
+//         } else {
+//             self.texture()
+//                 .render(canvas, atlas, dest, self.traverser().direction)
+//                 .map_err(|e| GameError::Texture(TextureError::RenderFailed(e.to_string())))?;
+//         }

-        Ok(())
-    }
-}
+//         Ok(())
+//     }
+// }
--- a/src/entity/traversal.rs
+++ b/src/entity/traversal.rs
@@ -1,229 +0,0 @@
-use tracing::error;
-
-use crate::error::GameResult;
-
-use super::direction::Direction;
-use super::graph::{Edge, Graph, NodeId};
-
-/// Represents the current position of an entity traversing the graph.
-///
-/// This enum allows for precise tracking of whether an entity is exactly at a node
-/// or moving along an edge between two nodes.
-#[derive(Debug, PartialEq, Clone, Copy)]
-pub enum Position {
-    /// The traverser is located exactly at a node.
-    AtNode(NodeId),
-    /// The traverser is on an edge between two nodes.
-    BetweenNodes {
-        from: NodeId,
-        to: NodeId,
-        /// The floating-point distance traversed along the edge from the `from` node.
-        traversed: f32,
-    },
-}
-
-#[allow(dead_code)]
-impl Position {
-    /// Returns `true` if the position is exactly at a node.
-    pub fn is_at_node(&self) -> bool {
-        matches!(self, Position::AtNode(_))
-    }
-
-    /// Returns the `NodeId` of the current or most recently departed node.
-    #[allow(clippy::wrong_self_convention)]
-    pub fn from_node_id(&self) -> NodeId {
-        match self {
-            Position::AtNode(id) => *id,
-            Position::BetweenNodes { from, .. } => *from,
-        }
-    }
-
-    /// Returns the `NodeId` of the destination node, if currently on an edge.
-    #[allow(clippy::wrong_self_convention)]
-    pub fn to_node_id(&self) -> Option<NodeId> {
-        match self {
-            Position::AtNode(_) => None,
-            Position::BetweenNodes { to, .. } => Some(*to),
-        }
-    }
-
-    /// Returns `true` if the traverser is stopped at a node.
-    pub fn is_stopped(&self) -> bool {
-        matches!(self, Position::AtNode(_))
-    }
-}
-
-/// Manages an entity's movement through the graph.
-///
-/// A `Traverser` encapsulates the state of an entity's position and direction,
-/// providing a way to advance along the graph's paths based on a given distance.
-/// It also handles direction changes, buffering the next intended direction.
-pub struct Traverser {
-    /// The current position of the traverser in the graph.
-    pub position: Position,
-    /// The current direction of movement.
-    pub direction: Direction,
-    /// Buffered direction change with remaining frame count for timing.
-    ///
-    /// The `u8` value represents the number of frames remaining before
-    /// the buffered direction expires. This allows for responsive controls
-    /// by storing direction changes for a limited time.
-    pub next_direction: Option<(Direction, u8)>,
-}
-
-impl Traverser {
-    /// Creates a new traverser starting at the given node ID.
-    ///
-    /// The traverser will immediately attempt to start moving in the initial direction.
-    pub fn new<F>(graph: &Graph, start_node: NodeId, initial_direction: Direction, can_traverse: &F) -> Self
-    where
-        F: Fn(Edge) -> bool,
-    {
-        let mut traverser = Traverser {
-            position: Position::AtNode(start_node),
-            direction: initial_direction,
-            next_direction: Some((initial_direction, 1)),
-        };
-
-        // This will kickstart the traverser into motion
-        if let Err(e) = traverser.advance(graph, 0.0, can_traverse) {
-            error!("Traverser initialization error: {}", e);
-        }
-
-        traverser
-    }
-
-    /// Sets the next direction for the traverser to take.
-    ///
-    /// The direction is buffered and will be applied at the next opportunity,
-    /// typically when the traverser reaches a new node. This allows for responsive
-    /// controls, as the new direction is stored for a limited time.
-    pub fn set_next_direction(&mut self, new_direction: Direction) {
-        if self.direction != new_direction {
-            self.next_direction = Some((new_direction, 30));
-        }
-    }
-
-    /// Advances the traverser along the graph by a specified distance.
-    ///
-    /// This method updates the traverser's position based on its current state
-    /// and the distance to travel.
-    ///
-    /// - If at a node, it checks for a buffered direction to start moving.
-    /// - If between nodes, it moves along the current edge.
-    /// - If it reaches a node, it attempts to transition to a new edge based on
-    ///   the buffered direction or by continuing straight.
-    /// - If no valid move is possible, it stops at the node.
-    ///
-    /// Returns an error if the movement is invalid (e.g., trying to move in an impossible direction).
-    pub fn advance<F>(&mut self, graph: &Graph, distance: f32, can_traverse: &F) -> GameResult<()>
-    where
-        F: Fn(Edge) -> bool,
-    {
-        // Decrement the remaining frames for the next direction
-        if let Some((direction, remaining)) = self.next_direction {
-            if remaining > 0 {
-                self.next_direction = Some((direction, remaining - 1));
-            } else {
-                self.next_direction = None;
-            }
-        }
-
-        match self.position {
-            Position::AtNode(node_id) => {
-                // We're not moving, but a buffered direction is available.
-                if let Some((next_direction, _)) = self.next_direction {
-                    if let Some(edge) = graph.find_edge_in_direction(node_id, next_direction) {
-                        if can_traverse(edge) {
-                            // Start moving in that direction
-                            self.position = Position::BetweenNodes {
-                                from: node_id,
-                                to: edge.target,
-                                traversed: distance.max(0.0),
-                            };
-                            self.direction = next_direction;
-                        } else {
-                            return Err(crate::error::GameError::Entity(crate::error::EntityError::InvalidMovement(
-                                format!(
-                                    "Cannot traverse edge from {} to {} in direction {:?}",
-                                    node_id, edge.target, next_direction
-                                ),
-                            )));
-                        }
-                    } else {
-                        return Err(crate::error::GameError::Entity(crate::error::EntityError::InvalidMovement(
-                            format!("No edge found in direction {:?} from node {}", next_direction, node_id),
-                        )));
-                    }
-
-                    self.next_direction = None; // Consume the buffered direction regardless of whether we started moving with it
-                }
-            }
-            Position::BetweenNodes { from, to, traversed } => {
-                // There is no point in any of the next logic if we don't travel at all
-                if distance <= 0.0 {
-                    return Ok(());
-                }
-
-                let edge = graph.find_edge(from, to).ok_or_else(|| {
-                    crate::error::GameError::Entity(crate::error::EntityError::InvalidMovement(format!(
-                        "Inconsistent state: Traverser is on a non-existent edge from {} to {}.",
-                        from, to
-                    )))
-                })?;
-
-                let new_traversed = traversed + distance;
-
-                if new_traversed < edge.distance {
-                    // Still on the same edge, just update the distance.
-                    self.position = Position::BetweenNodes {
-                        from,
-                        to,
-                        traversed: new_traversed,
-                    };
-                } else {
-                    let overflow = new_traversed - edge.distance;
-                    let mut moved = false;
-
-                    // If we buffered a direction, try to find an edge in that direction
-                    if let Some((next_dir, _)) = self.next_direction {
-                        if let Some(edge) = graph.find_edge_in_direction(to, next_dir) {
-                            if can_traverse(edge) {
-                                self.position = Position::BetweenNodes {
-                                    from: to,
-                                    to: edge.target,
-                                    traversed: overflow,
-                                };
-
-                                self.direction = next_dir; // Remember our new direction
-                                self.next_direction = None; // Consume the buffered direction
-                                moved = true;
-                            }
-                        }
-                    }
-
-                    // If we didn't move, try to continue in the current direction
-                    if !moved {
-                        if let Some(edge) = graph.find_edge_in_direction(to, self.direction) {
-                            if can_traverse(edge) {
-                                self.position = Position::BetweenNodes {
-                                    from: to,
-                                    to: edge.target,
-                                    traversed: overflow,
-                                };
-                            } else {
-                                self.position = Position::AtNode(to);
-                                self.next_direction = None;
-                            }
-                        } else {
-                            self.position = Position::AtNode(to);
-                            self.next_direction = None;
-                        }
-                    }
-                }
-            }
-        }
-
-        Ok(())
-    }
-}
--- a/src/error.rs
+++ b/src/error.rs
@@ -5,11 +5,13 @@

 use std::io;

+use bevy_ecs::event::Event;
+
 /// Main error type for the Pac-Man game.
 ///
 /// This is the primary error type that should be used in public APIs.
 /// It can represent any error that can occur during game operation.
-#[derive(thiserror::Error, Debug)]
+#[derive(thiserror::Error, Debug, Event)]
 pub enum GameError {
    #[error("Asset error: {0}")]
    Asset(#[from] AssetError),
--- a/src/events.rs
+++ b/src/events.rs
@@ -0,0 +1,14 @@
+use bevy_ecs::event::Event;
+
+use crate::systems::input::GameCommand;
+
+#[derive(Debug, Clone, Copy, Event)]
+pub enum GameEvent {
+    Command(GameCommand),
+}
+
+impl From<GameCommand> for GameEvent {
+    fn from(command: GameCommand) -> Self {
+        GameEvent::Command(command)
+    }
+}
--- a/src/game/mod.rs
+++ b/src/game/mod.rs
@@ -1,353 +1,526 @@
 //! This module contains the main game logic and state.

-use glam::{UVec2, Vec2};
-use rand::{rngs::SmallRng, Rng, SeedableRng};
-use sdl2::{
-    keyboard::Keycode,
-    pixels::Color,
-    render::{Canvas, RenderTarget, Texture, TextureCreator},
-    video::WindowContext,
-};
-
-use crate::entity::r#trait::Entity;
-use crate::error::{EntityError, GameError, GameResult};
-
-use crate::entity::{
-    collision::{Collidable, CollisionSystem, EntityId},
-    ghost::{Ghost, GhostType},
-    pacman::Pacman,
+include!(concat!(env!("OUT_DIR"), "/atlas_data.rs"));
+
+use crate::constants::CANVAS_SIZE;
+use crate::entity::direction::Direction;
+use crate::error::{GameError, GameResult, TextureError};
+use crate::events::GameEvent;
+use crate::map::builder::Map;
+use crate::systems::components::{
+    DeltaTime, DirectionalAnimated, EntityType, GlobalState, PlayerBundle, PlayerControlled, Position, Renderable, Velocity,
 };
+use crate::systems::control::player_system;
+use crate::systems::movement::movement_system;
+use crate::systems::render::{directional_render_system, render_system, BackbufferResource, MapTextureResource};
+use crate::texture::animated::AnimatedTexture;
+use bevy_ecs::event::EventRegistry;
+use bevy_ecs::observer::Trigger;
+use bevy_ecs::schedule::IntoScheduleConfigs;
+use bevy_ecs::system::ResMut;
+use bevy_ecs::{schedule::Schedule, world::World};
+use sdl2::image::LoadTexture;
+use sdl2::render::{Canvas, ScaleMode, TextureCreator};
+use sdl2::video::{Window, WindowContext};
+use sdl2::EventPump;

+use crate::asset::{get_asset_bytes, Asset};
 use crate::map::render::MapRenderer;
-use crate::{constants, texture::sprite::SpriteAtlas};
+use crate::systems::input::{input_system, Bindings, GameCommand};
+use crate::{
+    constants,
+    texture::sprite::{AtlasMapper, SpriteAtlas},
+};

 pub mod state;
-use state::GameState;

 /// The `Game` struct is the main entry point for the game.
 ///
 /// It contains the game's state and logic, and is responsible for
 /// handling user input, updating the game state, and rendering the game.
 pub struct Game {
-    state: GameState,
+    pub world: World,
+    pub schedule: Schedule,
 }

 impl Game {
-    pub fn new(texture_creator: &'static TextureCreator<WindowContext>) -> GameResult<Game> {
-        let state = GameState::new(texture_creator)?;
+    pub fn new(
+        canvas: &'static mut Canvas<Window>,
+        texture_creator: &'static mut TextureCreator<WindowContext>,
+        event_pump: &'static mut EventPump,
+    ) -> GameResult<Game> {
+        let mut world = World::default();
+        let mut schedule = Schedule::default();

-        Ok(Game { state })
-    }
+        EventRegistry::register_event::<GameError>(&mut world);
+        EventRegistry::register_event::<GameEvent>(&mut world);

-    pub fn keyboard_event(&mut self, keycode: Keycode) {
-        self.state.pacman.handle_key(keycode);
-
-        if keycode == Keycode::M {
-            self.state.audio.set_mute(!self.state.audio.is_muted());
-        }
-
-        if keycode == Keycode::R {
-            if let Err(e) = self.reset_game_state() {
-                tracing::error!("Failed to reset game state: {}", e);
-            }
-        }
-    }
-
-    /// Resets the game state, randomizing ghost positions and resetting Pac-Man
-    fn reset_game_state(&mut self) -> GameResult<()> {
-        let pacman_start_node = self.state.map.start_positions.pacman;
-        self.state.pacman = Pacman::new(&self.state.map.graph, pacman_start_node, &self.state.atlas)?;
-
-        // Reset items
-        self.state.items = self.state.map.generate_items(&self.state.atlas)?;
-
-        // Randomize ghost positions
-        let ghost_types = [GhostType::Blinky, GhostType::Pinky, GhostType::Inky, GhostType::Clyde];
-        let mut rng = SmallRng::from_os_rng();
-
-        for (i, ghost) in self.state.ghosts.iter_mut().enumerate() {
-            let random_node = rng.random_range(0..self.state.map.graph.node_count());
-            *ghost = Ghost::new(&self.state.map.graph, random_node, ghost_types[i], &self.state.atlas)?;
-        }
-
-        // Reset collision system
-        self.state.collision_system = CollisionSystem::default();
-
-        // Re-register Pac-Man
-        self.state.pacman_id = self.state.collision_system.register_entity(self.state.pacman.position());
-
-        // Re-register items
-        self.state.item_ids.clear();
-        for item in &self.state.items {
-            let item_id = self.state.collision_system.register_entity(item.position());
-            self.state.item_ids.push(item_id);
-        }
-
-        // Re-register ghosts
-        self.state.ghost_ids.clear();
-        for ghost in &self.state.ghosts {
-            let ghost_id = self.state.collision_system.register_entity(ghost.position());
-            self.state.ghost_ids.push(ghost_id);
-        }
-
-        Ok(())
-    }
-
-    pub fn tick(&mut self, dt: f32) {
-        self.state.pacman.tick(dt, &self.state.map.graph);
-
-        // Update all ghosts
-        for ghost in &mut self.state.ghosts {
-            ghost.tick(dt, &self.state.map.graph);
-        }
-
-        // Update collision system positions
-        self.update_collision_positions();
-
-        // Check for collisions
-        self.check_collisions();
-    }
-
-    /// Toggles the debug mode on and off.
-    ///
-    /// When debug mode is enabled, the game will render additional information
-    /// that is useful for debugging, such as the collision grid and entity paths.
-    pub fn toggle_debug_mode(&mut self) {
-        self.state.debug_mode = !self.state.debug_mode;
-    }
-
-    fn update_collision_positions(&mut self) {
-        // Update Pac-Man's position
-        self.state
-            .collision_system
-            .update_position(self.state.pacman_id, self.state.pacman.position());
-
-        // Update ghost positions
-        for (ghost, &ghost_id) in self.state.ghosts.iter().zip(&self.state.ghost_ids) {
-            self.state.collision_system.update_position(ghost_id, ghost.position());
-        }
-    }
-
-    fn check_collisions(&mut self) {
-        // Check Pac-Man vs Items
-        let potential_collisions = self
-            .state
-            .collision_system
-            .potential_collisions(&self.state.pacman.position());
-
-        for entity_id in potential_collisions {
-            if entity_id != self.state.pacman_id {
-                // Check if this is an item collision
-                if let Some(item_index) = self.find_item_by_id(entity_id) {
-                    let item = &mut self.state.items[item_index];
-                    if !item.is_collected() {
-                        item.collect();
-                        self.state.score += item.get_score();
-                        self.state.audio.eat();
-
-                        // Handle energizer effects
-                        if matches!(item.item_type, crate::entity::item::ItemType::Energizer) {
-                            // TODO: Make ghosts frightened
-                            tracing::info!("Energizer collected! Ghosts should become frightened.");
-                        }
-                    }
-                }
-
-                // Check if this is a ghost collision
-                if let Some(_ghost_index) = self.find_ghost_by_id(entity_id) {
-                    // TODO: Handle Pac-Man being eaten by ghost
-                    tracing::info!("Pac-Man collided with ghost!");
-                }
-            }
-        }
-    }
-
-    fn find_item_by_id(&self, entity_id: EntityId) -> Option<usize> {
-        self.state.item_ids.iter().position(|&id| id == entity_id)
-    }
-
-    fn find_ghost_by_id(&self, entity_id: EntityId) -> Option<usize> {
-        self.state.ghost_ids.iter().position(|&id| id == entity_id)
-    }
-
-    pub fn draw<T: RenderTarget>(&mut self, canvas: &mut Canvas<T>, backbuffer: &mut Texture) -> GameResult<()> {
-        // Only render the map texture once and cache it
-        if !self.state.map_rendered {
-            let mut map_texture = self
-                .state
-                .texture_creator
-                .create_texture_target(None, constants::CANVAS_SIZE.x, constants::CANVAS_SIZE.y)
+        let mut backbuffer = texture_creator
+            .create_texture_target(None, CANVAS_SIZE.x, CANVAS_SIZE.y)
            .map_err(|e| GameError::Sdl(e.to_string()))?;
+        backbuffer.set_scale_mode(ScaleMode::Nearest);

-            canvas
-                .with_texture_canvas(&mut map_texture, |map_canvas| {
+        let mut map_texture = texture_creator
+            .create_texture_target(None, CANVAS_SIZE.x, CANVAS_SIZE.y)
+            .map_err(|e| GameError::Sdl(e.to_string()))?;
+        map_texture.set_scale_mode(ScaleMode::Nearest);
+
+        // Load atlas and create map texture
+        let atlas_bytes = get_asset_bytes(Asset::Atlas)?;
+        let atlas_texture = texture_creator.load_texture_bytes(&atlas_bytes).map_err(|e| {
+            if e.to_string().contains("format") || e.to_string().contains("unsupported") {
+                GameError::Texture(crate::error::TextureError::InvalidFormat(format!(
+                    "Unsupported texture format: {e}"
+                )))
+            } else {
+                GameError::Texture(crate::error::TextureError::LoadFailed(e.to_string()))
+            }
+        })?;
+
+        let atlas_mapper = AtlasMapper {
+            frames: ATLAS_FRAMES.into_iter().map(|(k, v)| (k.to_string(), *v)).collect(),
+        };
+        let mut atlas = SpriteAtlas::new(atlas_texture, atlas_mapper);
+
+        // 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 = SpriteAtlas::get_tile(&self.state.atlas, &tile_name).unwrap();
+            let tile = atlas.get_tile(&tile_name).unwrap();
            map_tiles.push(tile);
        }
-                    MapRenderer::render_map(map_canvas, &mut self.state.atlas, &mut map_tiles);
-                })
-                .map_err(|e| GameError::Sdl(e.to_string()))?;
-            self.state.map_texture = Some(map_texture);
-            self.state.map_rendered = true;
-        }

+        // Render map to texture
        canvas
-            .with_texture_canvas(backbuffer, |canvas| {
-                canvas.set_draw_color(Color::BLACK);
-                canvas.clear();
-                if let Some(ref map_texture) = self.state.map_texture {
-                    canvas.copy(map_texture, None, None).unwrap();
-                }
-
-                // Render all items
-                for item in &self.state.items {
-                    if let Err(e) = item.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
-                        tracing::error!("Failed to render item: {}", e);
-                    }
-                }
-
-                // Render all ghosts
-                for ghost in &self.state.ghosts {
-                    if let Err(e) = ghost.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
-                        tracing::error!("Failed to render ghost: {}", e);
-                    }
-                }
-
-                if let Err(e) = self.state.pacman.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
-                    tracing::error!("Failed to render pacman: {}", e);
-                }
+            .with_texture_canvas(&mut map_texture, |map_canvas| {
+                MapRenderer::render_map(map_canvas, &mut atlas, &mut map_tiles);
            })
            .map_err(|e| GameError::Sdl(e.to_string()))?;

-        Ok(())
+        let map = Map::new(constants::RAW_BOARD)?;
+        let pacman_start_node = map.start_positions.pacman;
+
+        let mut textures = [None, None, None, None];
+        let mut stopped_textures = [None, None, None, None];
+
+        for direction in Direction::DIRECTIONS {
+            let moving_prefix = match direction {
+                Direction::Up => "pacman/up",
+                Direction::Down => "pacman/down",
+                Direction::Left => "pacman/left",
+                Direction::Right => "pacman/right",
+            };
+            let moving_tiles = vec![
+                SpriteAtlas::get_tile(&atlas, &format!("{moving_prefix}_a.png"))
+                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_a.png"))))?,
+                SpriteAtlas::get_tile(&atlas, &format!("{moving_prefix}_b.png"))
+                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?,
+                SpriteAtlas::get_tile(&atlas, "pacman/full.png")
+                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+            ];
+
+            let stopped_tiles = vec![SpriteAtlas::get_tile(&atlas, &format!("{moving_prefix}_b.png"))
+                .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound(format!("{moving_prefix}_b.png"))))?];
+
+            textures[direction.as_usize()] = Some(AnimatedTexture::new(moving_tiles, 0.08)?);
+            stopped_textures[direction.as_usize()] = Some(AnimatedTexture::new(stopped_tiles, 0.1)?);
        }

-    pub fn present_backbuffer<T: RenderTarget>(
-        &mut self,
-        canvas: &mut Canvas<T>,
-        backbuffer: &Texture,
-        cursor_pos: glam::Vec2,
-    ) -> GameResult<()> {
-        canvas
-            .copy(backbuffer, None, None)
-            .map_err(|e| GameError::Sdl(e.to_string()))?;
-        if self.state.debug_mode {
-            if let Err(e) =
-                self.state
-                    .map
-                    .debug_render_with_cursor(canvas, &mut self.state.text_texture, &mut self.state.atlas, cursor_pos)
-            {
-                tracing::error!("Failed to render debug cursor: {}", e);
+        let player = PlayerBundle {
+            player: PlayerControlled,
+            position: Position::AtNode(pacman_start_node),
+            velocity: Velocity {
+                direction: Direction::Up,
+                next_direction: None,
+                speed: 1.125,
+            },
+            sprite: Renderable {
+                sprite: SpriteAtlas::get_tile(&atlas, "pacman/full.png")
+                    .ok_or_else(|| GameError::Texture(TextureError::AtlasTileNotFound("pacman/full.png".to_string())))?,
+                layer: 0,
+            },
+            directional_animated: DirectionalAnimated {
+                textures,
+                stopped_textures,
+            },
+            entity_type: EntityType::Player,
+        };
+
+        world.insert_non_send_resource(atlas);
+        world.insert_non_send_resource(event_pump);
+        world.insert_non_send_resource(canvas);
+        world.insert_non_send_resource(BackbufferResource(backbuffer));
+        world.insert_non_send_resource(MapTextureResource(map_texture));
+
+        world.insert_resource(map);
+        world.insert_resource(GlobalState { exit: false });
+        world.insert_resource(Bindings::default());
+        world.insert_resource(DeltaTime(0f32));
+
+        world.add_observer(|event: Trigger<GameEvent>, mut state: ResMut<GlobalState>| match *event {
+            GameEvent::Command(command) => match command {
+                GameCommand::Exit => {
+                    state.exit = true;
                }
-            self.render_pathfinding_debug(canvas)?;
-        }
-        self.draw_hud(canvas)?;
-        canvas.present();
-        Ok(())
+                _ => {}
+            },
+        });
+
+        schedule.add_systems(
+            (
+                input_system,
+                player_system,
+                movement_system,
+                directional_render_system,
+                render_system,
+            )
+                .chain(),
+        );
+
+        // Spawn player
+        world.spawn(player);
+
+        Ok(Game { world, schedule })
    }

-    /// Renders pathfinding debug lines from each ghost to Pac-Man.
+    // fn handle_command(&mut self, command: crate::input::commands::GameCommand) {
+    //     use crate::input::commands::GameCommand;
+    //     match command {
+    //         GameCommand::MovePlayer(direction) => {
+    //             self.state.pacman.set_next_direction(direction);
+    //         }
+    //         GameCommand::ToggleDebug => {
+    //             self.toggle_debug_mode();
+    //         }
+    //         GameCommand::MuteAudio => {
+    //             let is_muted = self.state.audio.is_muted();
+    //             self.state.audio.set_mute(!is_muted);
+    //         }
+    //         GameCommand::ResetLevel => {
+    //             if let Err(e) = self.reset_game_state() {
+    //                 tracing::error!("Failed to reset game state: {}", e);
+    //             }
+    //         }
+    //         GameCommand::TogglePause => {
+    //             self.state.paused = !self.state.paused;
+    //         }
+    //         GameCommand::Exit => {}
+    //     }
+    // }
+
+    // fn process_events(&mut self) {
+    //     while let Some(event) = self.state.event_queue.pop_front() {
+    //         match event {
+    //             GameEvent::Command(command) => self.handle_command(command),
+    //         }
+    //     }
+    // }
+
+    // /// Resets the game state, randomizing ghost positions and resetting Pac-Man
+    // fn reset_game_state(&mut self) -> GameResult<()> {
+    //     let pacman_start_node = self.state.map.start_positions.pacman;
+    //     self.state.pacman = Pacman::new(&self.state.map.graph, pacman_start_node, &self.state.atlas)?;
+
+    //     // Reset items
+    //     self.state.items = self.state.map.generate_items(&self.state.atlas)?;
+
+    //     // Randomize ghost positions
+    //     let ghost_types = [GhostType::Blinky, GhostType::Pinky, GhostType::Inky, GhostType::Clyde];
+    //     let mut rng = SmallRng::from_os_rng();
+
+    //     for (i, ghost) in self.state.ghosts.iter_mut().enumerate() {
+    //         let random_node = rng.random_range(0..self.state.map.graph.node_count());
+    //         *ghost = Ghost::new(&self.state.map.graph, random_node, ghost_types[i], &self.state.atlas)?;
+    //     }
+
+    //     // Reset collision system
+    //     self.state.collision_system = CollisionSystem::default();
+
+    //     // Re-register Pac-Man
+    //     self.state.pacman_id = self.state.collision_system.register_entity(self.state.pacman.position());
+
+    //     // Re-register items
+    //     self.state.item_ids.clear();
+    //     for item in &self.state.items {
+    //         let item_id = self.state.collision_system.register_entity(item.position());
+    //         self.state.item_ids.push(item_id);
+    //     }
+
+    //     // Re-register ghosts
+    //     self.state.ghost_ids.clear();
+    //     for ghost in &self.state.ghosts {
+    //         let ghost_id = self.state.collision_system.register_entity(ghost.position());
+    //         self.state.ghost_ids.push(ghost_id);
+    //     }
+
+    //     Ok(())
+    // }
+
+    /// Ticks the game state.
    ///
-    /// Each ghost's path is drawn in its respective color with a small offset
-    /// to prevent overlapping lines.
-    fn render_pathfinding_debug<T: RenderTarget>(&self, canvas: &mut Canvas<T>) -> GameResult<()> {
-        let pacman_node = self.state.pacman.current_node_id();
+    /// Returns true if the game should exit.
+    pub fn tick(&mut self, dt: f32) -> bool {
+        self.world.insert_resource(DeltaTime(dt));

-        for ghost in self.state.ghosts.iter() {
-            if let Ok(path) = ghost.calculate_path_to_target(&self.state.map.graph, pacman_node) {
-                if path.len() < 2 {
-                    continue; // Skip if path is too short
+        // Run all systems
+        self.schedule.run(&mut self.world);
+
+        let state = self
+            .world
+            .get_resource::<GlobalState>()
+            .expect("GlobalState could not be acquired");
+
+        return state.exit;
+
+        // // Process any events that have been posted (such as unpausing)
+        // self.process_events();
+
+        // // If the game is paused, we don't need to do anything beyond returning
+        // if self.state.paused {
+        //     return false;
+        // }
+
+        // self.schedule.run(&mut self.world);
+
+        // self.state.pacman.tick(dt, &self.state.map.graph);
+
+        // // Update all ghosts
+        // for ghost in &mut self.state.ghosts {
+        //     ghost.tick(dt, &self.state.map.graph);
+        // }
+
+        // // Update collision system positions
+        // self.update_collision_positions();
+
+        // // Check for collisions
+        // self.check_collisions();
    }

-                // Set the ghost's color
-                canvas.set_draw_color(ghost.debug_color());
+    // /// Toggles the debug mode on and off.
+    // ///
+    // /// When debug mode is enabled, the game will render additional information
+    // /// that is useful for debugging, such as the collision grid and entity paths.
+    // pub fn toggle_debug_mode(&mut self) {
+    //     self.state.debug_mode = !self.state.debug_mode;
+    // }

-                // Calculate offset based on ghost index to prevent overlapping lines
-                // let offset = (i as f32) * 2.0 - 3.0; // Offset range: -3.0 to 3.0
+    // fn update_collision_positions(&mut self) {
+    //     // Update Pac-Man's position
+    //     self.state
+    //         .collision_system
+    //         .update_position(self.state.pacman_id, self.state.pacman.position());

-                // Calculate a consistent offset direction for the entire path
-                // let first_node = self.map.graph.get_node(path[0]).unwrap();
-                // let last_node = self.map.graph.get_node(path[path.len() - 1]).unwrap();
+    //     // Update ghost positions
+    //     for (ghost, &ghost_id) in self.state.ghosts.iter().zip(&self.state.ghost_ids) {
+    //         self.state.collision_system.update_position(ghost_id, ghost.position());
+    //     }
+    // }

-                // Use the overall direction from start to end to determine the perpendicular offset
-                let offset = match ghost.ghost_type {
-                    GhostType::Blinky => Vec2::new(0.25, 0.5),
-                    GhostType::Pinky => Vec2::new(-0.25, -0.25),
-                    GhostType::Inky => Vec2::new(0.5, -0.5),
-                    GhostType::Clyde => Vec2::new(-0.5, 0.25),
-                } * 5.0;
+    // fn check_collisions(&mut self) {
+    //     // Check Pac-Man vs Items
+    //     let potential_collisions = self
+    //         .state
+    //         .collision_system
+    //         .potential_collisions(&self.state.pacman.position());

-                // Calculate offset positions for all nodes using the same perpendicular direction
-                let mut offset_positions = Vec::new();
-                for &node_id in &path {
-                    let node = self
-                        .state
-                        .map
-                        .graph
-                        .get_node(node_id)
-                        .ok_or(GameError::Entity(EntityError::NodeNotFound(node_id)))?;
-                    let pos = node.position + crate::constants::BOARD_PIXEL_OFFSET.as_vec2();
-                    offset_positions.push(pos + offset);
-                }
+    //     for entity_id in potential_collisions {
+    //         if entity_id != self.state.pacman_id {
+    //             // Check if this is an item collision
+    //             if let Some(item_index) = self.find_item_by_id(entity_id) {
+    //                 let item = &mut self.state.items[item_index];
+    //                 if !item.is_collected() {
+    //                     item.collect();
+    //                     self.state.score += item.get_score();
+    //                     self.state.audio.eat();

-                // Draw lines between the offset positions
-                for window in offset_positions.windows(2) {
-                    if let (Some(from), Some(to)) = (window.first(), window.get(1)) {
-                        // Skip if the distance is too far (used for preventing lines between tunnel portals)
-                        if from.distance_squared(*to) > (crate::constants::CELL_SIZE * 16).pow(2) as f32 {
-                            continue;
-                        }
+    //                     // Handle energizer effects
+    //                     if matches!(item.item_type, crate::entity::item::ItemType::Energizer) {
+    //                         // TODO: Make ghosts frightened
+    //                         tracing::info!("Energizer collected! Ghosts should become frightened.");
+    //                     }
+    //                 }
+    //             }

-                        // Draw the line
-                        canvas
-                            .draw_line((from.x as i32, from.y as i32), (to.x as i32, to.y as i32))
-                            .map_err(|e| GameError::Sdl(e.to_string()))?;
-                    }
-                }
-            }
-        }
+    //             // Check if this is a ghost collision
+    //             if let Some(_ghost_index) = self.find_ghost_by_id(entity_id) {
+    //                 // TODO: Handle Pac-Man being eaten by ghost
+    //                 tracing::info!("Pac-Man collided with ghost!");
+    //             }
+    //         }
+    //     }
+    // }

-        Ok(())
-    }
+    // fn find_item_by_id(&self, entity_id: EntityId) -> Option<usize> {
+    //     self.state.item_ids.iter().position(|&id| id == entity_id)
+    // }

-    fn draw_hud<T: RenderTarget>(&mut self, canvas: &mut Canvas<T>) -> GameResult<()> {
-        let lives = 3;
-        let score_text = format!("{:02}", self.state.score);
-        let x_offset = 4;
-        let y_offset = 2;
-        let lives_offset = 3;
-        let score_offset = 7 - (score_text.len() as i32);
-        self.state.text_texture.set_scale(1.0);
-        if let Err(e) = self.state.text_texture.render(
-            canvas,
-            &mut self.state.atlas,
-            &format!("{lives}UP   HIGH SCORE   "),
-            UVec2::new(8 * lives_offset as u32 + x_offset, y_offset),
-        ) {
-            tracing::error!("Failed to render HUD text: {}", e);
-        }
-        if let Err(e) = self.state.text_texture.render(
-            canvas,
-            &mut self.state.atlas,
-            &score_text,
-            UVec2::new(8 * score_offset as u32 + x_offset, 8 + y_offset),
-        ) {
-            tracing::error!("Failed to render score text: {}", e);
-        }
+    // fn find_ghost_by_id(&self, entity_id: EntityId) -> Option<usize> {
+    //     self.state.ghost_ids.iter().position(|&id| id == entity_id)
+    // }

-        // Display FPS information in top-left corner
-        // let fps_text = format!("FPS: {:.1} (1s) / {:.1} (10s)", self.fps_1s, self.fps_10s);
-        // self.render_text_on(
+    // pub fn draw<T: sdl2::render::RenderTarget>(&mut self, canvas: &mut Canvas<T>, backbuffer: &mut Texture) -> GameResult<()> {
+    //     // Only render the map texture once and cache it
+    //     if !self.state.map_rendered {
+    //         let mut map_texture = self
+    //             .state
+    //             .texture_creator
+    //             .create_texture_target(None, constants::CANVAS_SIZE.x, constants::CANVAS_SIZE.y)
+    //             .map_err(|e| crate::error::GameError::Sdl(e.to_string()))?;
+
+    //         canvas
+    //             .with_texture_canvas(&mut map_texture, |map_canvas| {
+    //                 let mut map_tiles = Vec::with_capacity(35);
+    //                 for i in 0..35 {
+    //                     let tile_name = format!("maze/tiles/{}.png", i);
+    //                     let tile = SpriteAtlas::get_tile(&self.state.atlas, &tile_name).unwrap();
+    //                     map_tiles.push(tile);
+    //                 }
+    //                 MapRenderer::render_map(map_canvas, &mut self.state.atlas, &mut map_tiles);
+    //             })
+    //             .map_err(|e| crate::error::GameError::Sdl(e.to_string()))?;
+    //         self.state.map_texture = Some(map_texture);
+    //         self.state.map_rendered = true;
+    //     }
+
+    //     canvas.set_draw_color(Color::BLACK);
+    //     canvas.clear();
+    //     if let Some(ref map_texture) = self.state.map_texture {
+    //         canvas.copy(map_texture, None, None).unwrap();
+    //     }
+
+    //     // Render all items
+    //     for item in &self.state.items {
+    //         if let Err(e) = item.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
+    //             tracing::error!("Failed to render item: {}", e);
+    //         }
+    //     }
+
+    //     // Render all ghosts
+    //     for ghost in &self.state.ghosts {
+    //         if let Err(e) = ghost.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
+    //             tracing::error!("Failed to render ghost: {}", e);
+    //         }
+    //     }
+
+    //     if let Err(e) = self.state.pacman.render(canvas, &mut self.state.atlas, &self.state.map.graph) {
+    //         tracing::error!("Failed to render pacman: {}", e);
+    //     }
+
+    //     if self.state.debug_mode {
+    //         if let Err(e) =
+    //             self.state
+    //                 .map
+    //                 .debug_render_with_cursor(canvas, &mut self.state.text_texture, &mut self.state.atlas, cursor_pos)
+    //         {
+    //             tracing::error!("Failed to render debug cursor: {}", e);
+    //         }
+    //         self.render_pathfinding_debug(canvas)?;
+    //     }
+    //     self.draw_hud(canvas)?;
+    //     canvas.present();
+
+    //     Ok(())
+    // }
+
+    // /// Renders pathfinding debug lines from each ghost to Pac-Man.
+    // ///
+    // /// Each ghost's path is drawn in its respective color with a small offset
+    // /// to prevent overlapping lines.
+    // fn render_pathfinding_debug<T: sdl2::render::RenderTarget>(&self, canvas: &mut Canvas<T>) -> GameResult<()> {
+    //     let pacman_node = self.state.pacman.current_node_id();
+
+    //     for ghost in self.state.ghosts.iter() {
+    //         if let Ok(path) = ghost.calculate_path_to_target(&self.state.map.graph, pacman_node) {
+    //             if path.len() < 2 {
+    //                 continue; // Skip if path is too short
+    //             }
+
+    //             // Set the ghost's color
+    //             canvas.set_draw_color(ghost.debug_color());
+
+    //             // Calculate offset based on ghost index to prevent overlapping lines
+    //             // let offset = (i as f32) * 2.0 - 3.0; // Offset range: -3.0 to 3.0
+
+    //             // Calculate a consistent offset direction for the entire path
+    //             // let first_node = self.map.graph.get_node(path[0]).unwrap();
+    //             // let last_node = self.map.graph.get_node(path[path.len() - 1]).unwrap();
+
+    //             // Use the overall direction from start to end to determine the perpendicular offset
+    //             let offset = match ghost.ghost_type {
+    //                 GhostType::Blinky => glam::Vec2::new(0.25, 0.5),
+    //                 GhostType::Pinky => glam::Vec2::new(-0.25, -0.25),
+    //                 GhostType::Inky => glam::Vec2::new(0.5, -0.5),
+    //                 GhostType::Clyde => glam::Vec2::new(-0.5, 0.25),
+    //             } * 5.0;
+
+    //             // Calculate offset positions for all nodes using the same perpendicular direction
+    //             let mut offset_positions = Vec::new();
+    //             for &node_id in &path {
+    //                 let node = self
+    //                     .state
+    //                     .map
+    //                     .graph
+    //                     .get_node(node_id)
+    //                     .ok_or(crate::error::EntityError::NodeNotFound(node_id))?;
+    //                 let pos = node.position + crate::constants::BOARD_PIXEL_OFFSET.as_vec2();
+    //                 offset_positions.push(pos + offset);
+    //             }
+
+    //             // Draw lines between the offset positions
+    //             for window in offset_positions.windows(2) {
+    //                 if let (Some(from), Some(to)) = (window.first(), window.get(1)) {
+    //                     // Skip if the distance is too far (used for preventing lines between tunnel portals)
+    //                     if from.distance_squared(*to) > (crate::constants::CELL_SIZE * 16).pow(2) as f32 {
+    //                         continue;
+    //                     }
+
+    //                     // Draw the line
+    //                     canvas
+    //                         .draw_line((from.x as i32, from.y as i32), (to.x as i32, to.y as i32))
+    //                         .map_err(|e| crate::error::GameError::Sdl(e.to_string()))?;
+    //                 }
+    //             }
+    //         }
+    //     }
+
+    //     Ok(())
+    // }
+
+    // fn draw_hud<T: sdl2::render::RenderTarget>(&mut self, canvas: &mut Canvas<T>) -> GameResult<()> {
+    //     let lives = 3;
+    //     let score_text = format!("{:02}", self.state.score);
+    //     let x_offset = 4;
+    //     let y_offset = 2;
+    //     let lives_offset = 3;
+    //     let score_offset = 7 - (score_text.len() as i32);
+    //     self.state.text_texture.set_scale(1.0);
+    //     if let Err(e) = self.state.text_texture.render(
    //         canvas,
-        //     &*texture_creator,
-        //     &fps_text,
-        //     IVec2::new(10, 10),
-        //     Color::RGB(255, 255, 0), // Yellow color for FPS display
-        // );
+    //         &mut self.state.atlas,
+    //         &format!("{lives}UP   HIGH SCORE   "),
+    //         glam::UVec2::new(8 * lives_offset as u32 + x_offset, y_offset),
+    //     ) {
+    //         tracing::error!("Failed to render HUD text: {}", e);
+    //     }
+    //     if let Err(e) = self.state.text_texture.render(
+    //         canvas,
+    //         &mut self.state.atlas,
+    //         &score_text,
+    //         glam::UVec2::new(8 * score_offset as u32 + x_offset, 8 + y_offset),
+    //     ) {
+    //         tracing::error!("Failed to render score text: {}", e);
+    //     }

-        Ok(())
-    }
+    //     // Display FPS information in top-left corner
+    //     // let fps_text = format!("FPS: {:.1} (1s) / {:.1} (10s)", self.fps_1s, self.fps_10s);
+    //     // self.render_text_on(
+    //     //     canvas,
+    //     //     &*texture_creator,
+    //     //     &fps_text,
+    //     //     IVec2::new(10, 10),
+    //     //     Color::RGB(255, 255, 0), // Yellow color for FPS display
+    //     // );
+
+    //     Ok(())
+    // }
 }
--- a/src/game/state.rs
+++ b/src/game/state.rs
@@ -1,146 +1,153 @@
-use sdl2::{
-    image::LoadTexture,
-    render::{Texture, TextureCreator},
-    video::WindowContext,
-};
-use smallvec::SmallVec;
+// use std::collections::VecDeque;

-use crate::{
-    asset::{get_asset_bytes, Asset},
-    audio::Audio,
-    constants::RAW_BOARD,
-    entity::{
-        collision::{Collidable, CollisionSystem},
-        ghost::{Ghost, GhostType},
-        item::Item,
-        pacman::Pacman,
-    },
-    error::{GameError, GameResult, TextureError},
-    game::EntityId,
-    map::Map,
-    texture::{
-        sprite::{AtlasMapper, SpriteAtlas},
-        text::TextTexture,
-    },
-};
+// use sdl2::{
+//     image::LoadTexture,
+//     render::{Texture, TextureCreator},
+//     video::WindowContext,
+// };
+// use smallvec::SmallVec;

-include!(concat!(env!("OUT_DIR"), "/atlas_data.rs"));
+// use crate::{
+//     asset::{get_asset_bytes, Asset},
+//     audio::Audio,
+//     constants::RAW_BOARD,
+//     entity::{
+//         collision::{Collidable, CollisionSystem, EntityId},
+//         ghost::{Ghost, GhostType},
+//         item::Item,
+//         pacman::Pacman,
+//     },
+//     error::{GameError, GameResult, TextureError},
+//     game::events::GameEvent,
+//     map::builder::Map,
+//     texture::{
+//         sprite::{AtlasMapper, SpriteAtlas},
+//         text::TextTexture,
+//     },
+// };

-/// The `GameState` struct holds all the essential data for the game.
-///
-/// This includes the score, map, entities (Pac-Man, ghosts, items),
-/// collision system, and rendering resources. By centralizing the game's state,
-/// we can cleanly separate it from the game's logic, making it easier to manage
-/// and reason about.
-pub struct GameState {
-    pub score: u32,
-    pub map: Map,
-    pub pacman: Pacman,
-    pub pacman_id: EntityId,
-    pub ghosts: SmallVec<[Ghost; 4]>,
-    pub ghost_ids: SmallVec<[EntityId; 4]>,
-    pub items: Vec<Item>,
-    pub item_ids: Vec<EntityId>,
-    pub debug_mode: bool,
+// include!(concat!(env!("OUT_DIR"), "/atlas_data.rs"));

-    // Collision system
-    pub(crate) collision_system: CollisionSystem,
+// /// The `GameState` struct holds all the essential data for the game.
+// ///
+// /// This includes the score, map, entities (Pac-Man, ghosts, items),
+// /// collision system, and rendering resources. By centralizing the game's state,
+// /// we can cleanly separate it from the game's logic, making it easier to manage
+// /// and reason about.
+// pub struct GameState {
+//     pub paused: bool,

-    // Rendering resources
-    pub(crate) atlas: SpriteAtlas,
-    pub(crate) text_texture: TextTexture,
+//     pub score: u32,
+//     pub map: Map,
+//     pub pacman: Pacman,
+//     pub pacman_id: EntityId,
+//     pub ghosts: SmallVec<[Ghost; 4]>,
+//     pub ghost_ids: SmallVec<[EntityId; 4]>,
+//     pub items: Vec<Item>,
+//     pub item_ids: Vec<EntityId>,
+//     pub debug_mode: bool,
+//     pub event_queue: VecDeque<GameEvent>,

-    // Audio
-    pub audio: Audio,
+//     // Collision system
+//     pub(crate) collision_system: CollisionSystem,

-    // Map texture pre-rendering
-    pub(crate) map_texture: Option<Texture<'static>>,
-    pub(crate) map_rendered: bool,
-    pub(crate) texture_creator: &'static TextureCreator<WindowContext>,
-}
+//     // Rendering resources
+//     pub(crate) atlas: SpriteAtlas,
+//     pub(crate) text_texture: TextTexture,

-impl GameState {
-    /// Creates a new `GameState` by initializing all the game's data.
-    ///
-    /// This function sets up the map, Pac-Man, ghosts, items, collision system,
-    /// and all rendering resources required to start the game. It returns a `GameResult`
-    /// to handle any potential errors during initialization.
-    pub fn new(texture_creator: &'static TextureCreator<WindowContext>) -> GameResult<Self> {
-        let map = Map::new(RAW_BOARD)?;
+//     // Audio
+//     pub audio: Audio,

-        let start_node = map.start_positions.pacman;
+//     // Map texture pre-rendering
+//     pub(crate) map_texture: Option<Texture<'static>>,
+//     pub(crate) map_rendered: bool,
+//     pub(crate) texture_creator: &'static TextureCreator<WindowContext>,
+// }

-        let atlas_bytes = get_asset_bytes(Asset::Atlas)?;
-        let atlas_texture = texture_creator.load_texture_bytes(&atlas_bytes).map_err(|e| {
-            if e.to_string().contains("format") || e.to_string().contains("unsupported") {
-                GameError::Texture(TextureError::InvalidFormat(format!("Unsupported texture format: {e}")))
-            } else {
-                GameError::Texture(TextureError::LoadFailed(e.to_string()))
-            }
-        })?;
+// impl GameState {
+//     /// Creates a new `GameState` by initializing all the game's data.
+//     ///
+//     /// This function sets up the map, Pac-Man, ghosts, items, collision system,
+//     /// and all rendering resources required to start the game. It returns a `GameResult`
+//     /// to handle any potential errors during initialization.
+//     pub fn new(texture_creator: &'static TextureCreator<WindowContext>) -> GameResult<Self> {
+//         let map = Map::new(RAW_BOARD)?;

-        let atlas_mapper = AtlasMapper {
-            frames: ATLAS_FRAMES.into_iter().map(|(k, v)| (k.to_string(), *v)).collect(),
-        };
-        let atlas = SpriteAtlas::new(atlas_texture, atlas_mapper);
+//         let start_node = map.start_positions.pacman;

-        let text_texture = TextTexture::new(1.0);
-        let audio = Audio::new();
-        let pacman = Pacman::new(&map.graph, start_node, &atlas)?;
+//         let atlas_bytes = get_asset_bytes(Asset::Atlas)?;
+//         let atlas_texture = texture_creator.load_texture_bytes(&atlas_bytes).map_err(|e| {
+//             if e.to_string().contains("format") || e.to_string().contains("unsupported") {
+//                 GameError::Texture(TextureError::InvalidFormat(format!("Unsupported texture format: {e}")))
+//             } else {
+//                 GameError::Texture(TextureError::LoadFailed(e.to_string()))
+//             }
+//         })?;

-        // Generate items (pellets and energizers)
-        let items = map.generate_items(&atlas)?;
+//         let atlas_mapper = AtlasMapper {
+//             frames: ATLAS_FRAMES.into_iter().map(|(k, v)| (k.to_string(), *v)).collect(),
+//         };
+//         let atlas = SpriteAtlas::new(atlas_texture, atlas_mapper);

-        // Initialize collision system
-        let mut collision_system = CollisionSystem::default();
+//         let text_texture = TextTexture::new(1.0);
+//         let audio = Audio::new();
+//         let pacman = Pacman::new(&map.graph, start_node, &atlas)?;

-        // Register Pac-Man
-        let pacman_id = collision_system.register_entity(pacman.position());
+//         // Generate items (pellets and energizers)
+//         let items = map.generate_items(&atlas)?;

-        // Register items
-        let item_ids = items
-            .iter()
-            .map(|item| collision_system.register_entity(item.position()))
-            .collect();
+//         // Initialize collision system
+//         let mut collision_system = CollisionSystem::default();

-        // Create and register ghosts
-        let ghosts = [GhostType::Blinky, GhostType::Pinky, GhostType::Inky, GhostType::Clyde]
-            .iter()
-            .zip(
-                [
-                    map.start_positions.blinky,
-                    map.start_positions.pinky,
-                    map.start_positions.inky,
-                    map.start_positions.clyde,
-                ]
-                .iter(),
-            )
-            .map(|(ghost_type, start_node)| Ghost::new(&map.graph, *start_node, *ghost_type, &atlas))
-            .collect::<GameResult<SmallVec<[_; 4]>>>()?;
+//         // Register Pac-Man
+//         let pacman_id = collision_system.register_entity(pacman.position());

-        // Register ghosts
-        let ghost_ids = ghosts
-            .iter()
-            .map(|ghost| collision_system.register_entity(ghost.position()))
-            .collect();
+//         // Register items
+//         let item_ids = items
+//             .iter()
+//             .map(|item| collision_system.register_entity(item.position()))
+//             .collect();

-        Ok(Self {
-            map,
-            atlas,
-            pacman,
-            pacman_id,
-            ghosts,
-            ghost_ids,
-            items,
-            item_ids,
-            text_texture,
-            audio,
-            score: 0,
-            debug_mode: false,
-            collision_system,
-            map_texture: None,
-            map_rendered: false,
-            texture_creator,
-        })
-    }
-}
+//         // Create and register ghosts
+//         let ghosts = [GhostType::Blinky, GhostType::Pinky, GhostType::Inky, GhostType::Clyde]
+//             .iter()
+//             .zip(
+//                 [
+//                     map.start_positions.blinky,
+//                     map.start_positions.pinky,
+//                     map.start_positions.inky,
+//                     map.start_positions.clyde,
+//                 ]
+//                 .iter(),
+//             )
+//             .map(|(ghost_type, start_node)| Ghost::new(&map.graph, *start_node, *ghost_type, &atlas))
+//             .collect::<GameResult<SmallVec<[_; 4]>>>()?;
+
+//         // Register ghosts
+//         let ghost_ids = ghosts
+//             .iter()
+//             .map(|ghost| collision_system.register_entity(ghost.position()))
+//             .collect();
+
+//         Ok(Self {
+//             paused: false,
+//             map,
+//             atlas,
+//             pacman,
+//             pacman_id,
+//             ghosts,
+//             ghost_ids,
+//             items,
+//             item_ids,
+//             text_texture,
+//             audio,
+//             score: 0,
+//             debug_mode: false,
+//             collision_system,
+//             map_texture: None,
+//             map_rendered: false,
+//             texture_creator,
+//             event_queue: VecDeque::new(),
+//         })
+//     }
+// }
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,8 +6,10 @@ pub mod audio;
 pub mod constants;
 pub mod entity;
 pub mod error;
+pub mod events;
 pub mod game;
 pub mod helpers;
 pub mod map;
 pub mod platform;
+pub mod systems;
 pub mod texture;
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,10 +12,12 @@ mod constants;

 mod entity;
 mod error;
+mod events;
 mod game;
 mod helpers;
 mod map;
 mod platform;
+mod systems;
 mod texture;

 /// The main entry point of the application.
--- a/src/map/builder.rs
+++ b/src/map/builder.rs
@@ -1,12 +1,13 @@
 //! Map construction and building functionality.

-use crate::constants::{MapTile, BOARD_CELL_SIZE, CELL_SIZE, RAW_BOARD};
+use crate::constants::{MapTile, BOARD_CELL_SIZE, CELL_SIZE};
 use crate::entity::direction::Direction;
-use crate::entity::graph::{EdgePermissions, Graph, Node, NodeId};
-use crate::entity::item::{Item, ItemType};
+use crate::entity::graph::{EdgePermissions, Graph, Node};
 use crate::map::parser::MapTileParser;
 use crate::map::render::MapRenderer;
-use crate::texture::sprite::{Sprite, SpriteAtlas};
+use crate::systems::components::NodeId;
+use crate::texture::sprite::SpriteAtlas;
+use bevy_ecs::resource::Resource;
 use glam::{IVec2, Vec2};
 use sdl2::render::{Canvas, RenderTarget};
 use std::collections::{HashMap, VecDeque};
@@ -24,6 +25,7 @@ pub struct NodePositions {
 }

 /// The main map structure containing the game board and navigation graph.
+#[derive(Resource)]
 pub struct Map {
    /// The node map for entity movement.
    pub graph: Graph,
@@ -155,42 +157,42 @@ impl Map {
    }

    /// Generates Item entities for pellets and energizers from the parsed map.
-    pub fn generate_items(&self, atlas: &SpriteAtlas) -> GameResult<Vec<Item>> {
-        // Pre-load sprites to avoid repeated texture lookups
-        let pellet_sprite = SpriteAtlas::get_tile(atlas, "maze/pellet.png")
-            .ok_or_else(|| MapError::InvalidConfig("Pellet texture not found".to_string()))?;
-        let energizer_sprite = SpriteAtlas::get_tile(atlas, "maze/energizer.png")
-            .ok_or_else(|| MapError::InvalidConfig("Energizer texture not found".to_string()))?;
+    // pub fn generate_items(&self, atlas: &SpriteAtlas) -> GameResult<Vec<Item>> {
+    //     // Pre-load sprites to avoid repeated texture lookups
+    //     let pellet_sprite = SpriteAtlas::get_tile(atlas, "maze/pellet.png")
+    //         .ok_or_else(|| MapError::InvalidConfig("Pellet texture not found".to_string()))?;
+    //     let energizer_sprite = SpriteAtlas::get_tile(atlas, "maze/energizer.png")
+    //         .ok_or_else(|| MapError::InvalidConfig("Energizer texture not found".to_string()))?;

-        // Pre-allocate with estimated capacity (typical Pac-Man maps have ~240 pellets + 4 energizers)
-        let mut items = Vec::with_capacity(250);
+    //     // Pre-allocate with estimated capacity (typical Pac-Man maps have ~240 pellets + 4 energizers)
+    //     let mut items = Vec::with_capacity(250);

-        // Parse the raw board once
-        let parsed_map = MapTileParser::parse_board(RAW_BOARD)?;
-        let map = parsed_map.tiles;
+    //     // Parse the raw board once
+    //     let parsed_map = MapTileParser::parse_board(RAW_BOARD)?;
+    //     let map = parsed_map.tiles;

-        // Iterate through the map and collect items more efficiently
-        for (x, row) in map.iter().enumerate() {
-            for (y, tile) in row.iter().enumerate() {
-                match tile {
-                    MapTile::Pellet | MapTile::PowerPellet => {
-                        let grid_pos = IVec2::new(x as i32, y as i32);
-                        if let Some(&node_id) = self.grid_to_node.get(&grid_pos) {
-                            let (item_type, sprite) = match tile {
-                                MapTile::Pellet => (ItemType::Pellet, Sprite::new(pellet_sprite)),
-                                MapTile::PowerPellet => (ItemType::Energizer, Sprite::new(energizer_sprite)),
-                                _ => unreachable!(), // We already filtered for these types
-                            };
-                            items.push(Item::new(node_id, item_type, sprite));
-                        }
-                    }
-                    _ => {}
-                }
-            }
-        }
+    //     // Iterate through the map and collect items more efficiently
+    //     for (x, row) in map.iter().enumerate() {
+    //         for (y, tile) in row.iter().enumerate() {
+    //             match tile {
+    //                 MapTile::Pellet | MapTile::PowerPellet => {
+    //                     let grid_pos = IVec2::new(x as i32, y as i32);
+    //                     if let Some(&node_id) = self.grid_to_node.get(&grid_pos) {
+    //                         let (item_type, sprite) = match tile {
+    //                             MapTile::Pellet => (ItemType::Pellet, Sprite::new(pellet_sprite)),
+    //                             MapTile::PowerPellet => (ItemType::Energizer, Sprite::new(energizer_sprite)),
+    //                             _ => unreachable!(), // We already filtered for these types
+    //                         };
+    //                         items.push(Item::new(node_id, item_type, sprite));
+    //                     }
+    //                 }
+    //                 _ => {}
+    //             }
+    //         }
+    //     }

-        Ok(items)
-    }
+    //     Ok(items)
+    // }

    /// Renders a debug visualization with cursor-based highlighting.
    ///
--- a/src/map/mod.rs
+++ b/src/map/mod.rs
@@ -4,6 +4,3 @@ pub mod builder;
 pub mod layout;
 pub mod parser;
 pub mod render;
-
-// Re-export main types for convenience
-pub use builder::Map;
--- a/src/platform/desktop.rs
+++ b/src/platform/desktop.rs
@@ -11,8 +11,12 @@ use crate::platform::Platform;
 pub struct DesktopPlatform;

 impl Platform for DesktopPlatform {
-    fn sleep(&self, duration: Duration) {
+    fn sleep(&self, duration: Duration, focused: bool) {
+        if focused {
            spin_sleep::sleep(duration);
+        } else {
+            std::thread::sleep(duration);
+        }
    }

    fn get_time(&self) -> f64 {
--- a/src/platform/emscripten.rs
+++ b/src/platform/emscripten.rs
@@ -11,7 +11,7 @@ use crate::platform::Platform;
 pub struct EmscriptenPlatform;

 impl Platform for EmscriptenPlatform {
-    fn sleep(&self, duration: Duration) {
+    fn sleep(&self, duration: Duration, _focused: bool) {
        unsafe {
            emscripten_sleep(duration.as_millis() as u32);
        }
--- a/src/platform/mod.rs
+++ b/src/platform/mod.rs
@@ -11,7 +11,7 @@ pub mod emscripten;
 /// Platform abstraction trait that defines cross-platform functionality.
 pub trait Platform {
    /// Sleep for the specified duration using platform-appropriate method.
-    fn sleep(&self, duration: Duration);
+    fn sleep(&self, duration: Duration, focused: bool);

    /// Get the current time in seconds since some reference point.
    /// This is available for future use in timing and performance monitoring.
--- a/src/systems/components.rs
+++ b/src/systems/components.rs
@@ -0,0 +1,149 @@
+use bevy_ecs::{bundle::Bundle, component::Component, resource::Resource};
+use glam::Vec2;
+
+use crate::{
+    entity::{direction::Direction, graph::Graph},
+    error::{EntityError, GameResult},
+    texture::{animated::AnimatedTexture, sprite::AtlasTile},
+};
+
+/// A tag component for entities that are controlled by the player.
+#[derive(Default, Component)]
+pub struct PlayerControlled;
+
+/// A tag component denoting the type of entity.
+#[derive(Component, Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum EntityType {
+    Player,
+    Ghost,
+    Pellet,
+    PowerPellet,
+    Wall,
+}
+
+/// A component for entities that have a sprite, with a layer for ordering.
+///
+/// This is intended to be modified by other entities allowing animation.
+#[derive(Component)]
+pub struct Renderable {
+    pub sprite: AtlasTile,
+    pub layer: u8,
+}
+
+/// A component for entities that have a directional animated texture.
+#[derive(Component)]
+pub struct DirectionalAnimated {
+    pub textures: [Option<AnimatedTexture>; 4],
+    pub stopped_textures: [Option<AnimatedTexture>; 4],
+}
+
+/// A unique identifier for a node, represented by its index in the graph's storage.
+pub type NodeId = usize;
+
+/// Represents the current position of an entity traversing the graph.
+///
+/// This enum allows for precise tracking of whether an entity is exactly at a node
+/// or moving along an edge between two nodes.
+#[derive(Component, Debug, Copy, Clone, PartialEq)]
+pub enum Position {
+    /// The traverser is located exactly at a node.
+    AtNode(NodeId),
+    /// The traverser is on an edge between two nodes.
+    BetweenNodes {
+        from: NodeId,
+        to: NodeId,
+        /// The floating-point distance traversed along the edge from the `from` node.
+        traversed: f32,
+    },
+}
+
+impl Position {
+    /// Calculates the current pixel position in the game world.
+    ///
+    /// Converts the graph position to screen coordinates, accounting for
+    /// the board offset and centering the sprite.
+    pub fn get_pixel_pos(&self, graph: &Graph) -> GameResult<Vec2> {
+        let pos = match self {
+            Position::AtNode(node_id) => {
+                let node = graph.get_node(*node_id).ok_or(EntityError::NodeNotFound(*node_id))?;
+                node.position
+            }
+            Position::BetweenNodes { from, to, traversed } => {
+                let from_node = graph.get_node(*from).ok_or(EntityError::NodeNotFound(*from))?;
+                let to_node = graph.get_node(*to).ok_or(EntityError::NodeNotFound(*to))?;
+                let edge = graph
+                    .find_edge(*from, *to)
+                    .ok_or(EntityError::EdgeNotFound { from: *from, to: *to })?;
+                from_node.position + (to_node.position - from_node.position) * (traversed / edge.distance)
+            }
+        };
+
+        Ok(Vec2::new(
+            pos.x + crate::constants::BOARD_PIXEL_OFFSET.x as f32,
+            pos.y + crate::constants::BOARD_PIXEL_OFFSET.y as f32,
+        ))
+    }
+}
+
+impl Default for Position {
+    fn default() -> Self {
+        Position::AtNode(0)
+    }
+}
+
+#[allow(dead_code)]
+impl Position {
+    /// Returns `true` if the position is exactly at a node.
+    pub fn is_at_node(&self) -> bool {
+        matches!(self, Position::AtNode(_))
+    }
+
+    /// Returns the `NodeId` of the current or most recently departed node.
+    #[allow(clippy::wrong_self_convention)]
+    pub fn from_node_id(&self) -> NodeId {
+        match self {
+            Position::AtNode(id) => *id,
+            Position::BetweenNodes { from, .. } => *from,
+        }
+    }
+
+    /// Returns the `NodeId` of the destination node, if currently on an edge.
+    #[allow(clippy::wrong_self_convention)]
+    pub fn to_node_id(&self) -> Option<NodeId> {
+        match self {
+            Position::AtNode(_) => None,
+            Position::BetweenNodes { to, .. } => Some(*to),
+        }
+    }
+
+    /// Returns `true` if the traverser is stopped at a node.
+    pub fn is_stopped(&self) -> bool {
+        matches!(self, Position::AtNode(_))
+    }
+}
+
+/// A component for entities that have a velocity, with a direction and speed.
+#[derive(Default, Component)]
+pub struct Velocity {
+    pub direction: Direction,
+    pub next_direction: Option<(Direction, u8)>,
+    pub speed: f32,
+}
+
+#[derive(Bundle)]
+pub struct PlayerBundle {
+    pub player: PlayerControlled,
+    pub position: Position,
+    pub velocity: Velocity,
+    pub sprite: Renderable,
+    pub directional_animated: DirectionalAnimated,
+    pub entity_type: EntityType,
+}
+
+#[derive(Resource)]
+pub struct GlobalState {
+    pub exit: bool,
+}
+
+#[derive(Resource)]
+pub struct DeltaTime(pub f32);
--- a/src/systems/control.rs
+++ b/src/systems/control.rs
@@ -0,0 +1,45 @@
+use bevy_ecs::{
+    event::{EventReader, EventWriter},
+    system::{Query, ResMut},
+};
+
+use crate::{
+    error::GameError,
+    events::GameEvent,
+    systems::{
+        components::{GlobalState, PlayerControlled, Velocity},
+        input::GameCommand,
+    },
+};
+
+// Handles
+pub fn player_system(
+    mut events: EventReader<GameEvent>,
+    mut state: ResMut<GlobalState>,
+    mut players: Query<(&PlayerControlled, &mut Velocity)>,
+    mut errors: EventWriter<GameError>,
+) {
+    // Get the player's velocity (handling to ensure there is only one player)
+    let mut velocity = match players.single_mut() {
+        Ok((_, velocity)) => velocity,
+        Err(e) => {
+            errors.write(GameError::InvalidState(format!("Player not found: {}", e)).into());
+            return;
+        }
+    };
+
+    // Handle events
+    for event in events.read() {
+        match event {
+            GameEvent::Command(command) => match command {
+                GameCommand::MovePlayer(direction) => {
+                    velocity.next_direction = Some((*direction, 90));
+                }
+                GameCommand::Exit => {
+                    state.exit = true;
+                }
+                _ => {}
+            },
+        }
+    }
+}
--- a/src/systems/input.rs
+++ b/src/systems/input.rs
@@ -0,0 +1,69 @@
+use std::collections::HashMap;
+
+use bevy_ecs::{
+    event::EventWriter,
+    resource::Resource,
+    system::{NonSendMut, Res},
+};
+use sdl2::{event::Event, keyboard::Keycode, EventPump};
+
+use crate::{entity::direction::Direction, events::GameEvent};
+
+#[derive(Debug, Clone, Copy)]
+pub enum GameCommand {
+    MovePlayer(Direction),
+    Exit,
+    TogglePause,
+    ToggleDebug,
+    MuteAudio,
+    ResetLevel,
+}
+
+#[derive(Debug, Clone, Resource)]
+pub struct Bindings {
+    key_bindings: HashMap<Keycode, GameCommand>,
+}
+
+impl Default for Bindings {
+    fn default() -> Self {
+        let mut key_bindings = HashMap::new();
+
+        // Player movement
+        key_bindings.insert(Keycode::Up, GameCommand::MovePlayer(Direction::Up));
+        key_bindings.insert(Keycode::W, GameCommand::MovePlayer(Direction::Up));
+        key_bindings.insert(Keycode::Down, GameCommand::MovePlayer(Direction::Down));
+        key_bindings.insert(Keycode::S, GameCommand::MovePlayer(Direction::Down));
+        key_bindings.insert(Keycode::Left, GameCommand::MovePlayer(Direction::Left));
+        key_bindings.insert(Keycode::A, GameCommand::MovePlayer(Direction::Left));
+        key_bindings.insert(Keycode::Right, GameCommand::MovePlayer(Direction::Right));
+        key_bindings.insert(Keycode::D, GameCommand::MovePlayer(Direction::Right));
+
+        // Game actions
+        key_bindings.insert(Keycode::P, GameCommand::TogglePause);
+        key_bindings.insert(Keycode::Space, GameCommand::ToggleDebug);
+        key_bindings.insert(Keycode::M, GameCommand::MuteAudio);
+        key_bindings.insert(Keycode::R, GameCommand::ResetLevel);
+        key_bindings.insert(Keycode::Escape, GameCommand::Exit);
+        key_bindings.insert(Keycode::Q, GameCommand::Exit);
+
+        Self { key_bindings }
+    }
+}
+
+pub fn input_system(bindings: Res<Bindings>, mut writer: EventWriter<GameEvent>, mut pump: NonSendMut<&'static mut EventPump>) {
+    for event in pump.poll_iter() {
+        match event {
+            Event::Quit { .. } => {
+                writer.write(GameEvent::Command(GameCommand::Exit));
+            }
+            Event::KeyDown { keycode: Some(key), .. } => {
+                let command = bindings.key_bindings.get(&key).copied();
+                if let Some(command) = command {
+                    tracing::info!("triggering command: {:?}", command);
+                    writer.write(GameEvent::Command(command));
+                }
+            }
+            _ => {}
+        }
+    }
+}
--- a/src/systems/mod.rs
+++ b/src/systems/mod.rs
@@ -0,0 +1,10 @@
+//! The Entity-Component-System (ECS) module.
+//!
+//! This module contains all the ECS-related logic, including components, systems,
+//! and resources.
+
+pub mod components;
+pub mod control;
+pub mod input;
+pub mod movement;
+pub mod render;
--- a/src/systems/movement.rs
+++ b/src/systems/movement.rs
@@ -0,0 +1,133 @@
+use crate::entity::graph::{Edge, EdgePermissions, Graph};
+use crate::error::{EntityError, GameError};
+use crate::map::builder::Map;
+use crate::systems::components::{DeltaTime, EntityType, Position, Velocity};
+use bevy_ecs::event::EventWriter;
+use bevy_ecs::system::{Query, Res};
+
+fn can_traverse(entity_type: EntityType, edge: Edge) -> bool {
+    match entity_type {
+        EntityType::Player => matches!(edge.permissions, EdgePermissions::All),
+        EntityType::Ghost => matches!(edge.permissions, EdgePermissions::All | EdgePermissions::GhostsOnly),
+        _ => matches!(edge.permissions, EdgePermissions::All),
+    }
+}
+
+pub fn movement_system(
+    map: Res<Map>,
+    delta_time: Res<DeltaTime>,
+    mut entities: Query<(&mut Velocity, &mut Position, &EntityType)>,
+    mut errors: EventWriter<GameError>,
+) {
+    for (mut velocity, mut position, entity_type) in entities.iter_mut() {
+        let distance = velocity.speed * 60.0 * delta_time.0;
+
+        // Decrement the remaining frames for the next direction
+        if let Some((direction, remaining)) = velocity.next_direction {
+            if remaining > 0 {
+                velocity.next_direction = Some((direction, remaining - 1));
+            } else {
+                velocity.next_direction = None;
+            }
+        }
+
+        match *position {
+            Position::AtNode(node_id) => {
+                // We're not moving, but a buffered direction is available.
+                if let Some((next_direction, _)) = velocity.next_direction {
+                    if let Some(edge) = map.graph.find_edge_in_direction(node_id, next_direction) {
+                        if can_traverse(*entity_type, edge) {
+                            // Start moving in that direction
+                            *position = Position::BetweenNodes {
+                                from: node_id,
+                                to: edge.target,
+                                traversed: distance,
+                            };
+                            velocity.direction = next_direction;
+                            velocity.next_direction = None;
+                        }
+                    } else {
+                        errors.write(
+                            EntityError::InvalidMovement(format!(
+                                "No edge found in direction {:?} from node {}",
+                                next_direction, node_id
+                            ))
+                            .into(),
+                        );
+                    }
+                }
+            }
+            Position::BetweenNodes { from, to, traversed } => {
+                // There is no point in any of the next logic if we don't travel at all
+                if distance <= 0.0 {
+                    return;
+                }
+
+                let edge = map
+                    .graph
+                    .find_edge(from, to)
+                    .ok_or_else(|| {
+                        errors.write(
+                            EntityError::InvalidMovement(format!(
+                                "Inconsistent state: Traverser is on a non-existent edge from {} to {}.",
+                                from, to
+                            ))
+                            .into(),
+                        );
+                        return;
+                    })
+                    .unwrap();
+
+                let new_traversed = traversed + distance;
+
+                if new_traversed < edge.distance {
+                    // Still on the same edge, just update the distance.
+                    *position = Position::BetweenNodes {
+                        from,
+                        to,
+                        traversed: new_traversed,
+                    };
+                } else {
+                    let overflow = new_traversed - edge.distance;
+                    let mut moved = false;
+
+                    // If we buffered a direction, try to find an edge in that direction
+                    if let Some((next_dir, _)) = velocity.next_direction {
+                        if let Some(edge) = map.graph.find_edge_in_direction(to, next_dir) {
+                            if can_traverse(*entity_type, edge) {
+                                *position = Position::BetweenNodes {
+                                    from: to,
+                                    to: edge.target,
+                                    traversed: overflow,
+                                };
+
+                                velocity.direction = next_dir; // Remember our new direction
+                                velocity.next_direction = None; // Consume the buffered direction
+                                moved = true;
+                            }
+                        }
+                    }
+
+                    // If we didn't move, try to continue in the current direction
+                    if !moved {
+                        if let Some(edge) = map.graph.find_edge_in_direction(to, velocity.direction) {
+                            if can_traverse(*entity_type, edge) {
+                                *position = Position::BetweenNodes {
+                                    from: to,
+                                    to: edge.target,
+                                    traversed: overflow,
+                                };
+                            } else {
+                                *position = Position::AtNode(to);
+                                velocity.next_direction = None;
+                            }
+                        } else {
+                            *position = Position::AtNode(to);
+                            velocity.next_direction = None;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
--- a/src/systems/render.rs
+++ b/src/systems/render.rs
@@ -0,0 +1,107 @@
+use crate::error::{GameError, TextureError};
+use crate::map::builder::Map;
+use crate::systems::components::{DeltaTime, DirectionalAnimated, Position, Renderable, Velocity};
+use crate::texture::sprite::SpriteAtlas;
+use bevy_ecs::entity::Entity;
+use bevy_ecs::event::EventWriter;
+use bevy_ecs::system::{NonSendMut, Query, Res};
+use sdl2::render::{Canvas, Texture};
+use sdl2::video::Window;
+
+/// Updates the directional animated texture of an entity.
+///
+/// This runs before the render system so it can update the sprite based on the current direction of travel, as well as whether the entity is moving.
+pub fn directional_render_system(
+    dt: Res<DeltaTime>,
+    mut renderables: Query<(&Velocity, &mut DirectionalAnimated, &mut Renderable, &Position)>,
+    mut errors: EventWriter<GameError>,
+) {
+    for (velocity, mut texture, mut renderable, position) in renderables.iter_mut() {
+        let stopped = matches!(position, Position::AtNode(_));
+        let texture = if stopped {
+            texture.stopped_textures[velocity.direction.as_usize()].as_mut()
+        } else {
+            texture.textures[velocity.direction.as_usize()].as_mut()
+        };
+
+        if let Some(texture) = texture {
+            if !stopped {
+                texture.tick(dt.0);
+            }
+            renderable.sprite = *texture.current_tile();
+        } else {
+            errors.write(TextureError::RenderFailed(format!("Entity has no texture")).into());
+            continue;
+        }
+    }
+}
+
+/// A non-send resource for the map texture. This just wraps the texture with a type so it can be differentiated when exposed as a resource.
+pub struct MapTextureResource(pub Texture<'static>);
+
+/// A non-send resource for the backbuffer texture. This just wraps the texture with a type so it can be differentiated when exposed as a resource.
+pub struct BackbufferResource(pub Texture<'static>);
+
+pub fn render_system(
+    mut canvas: NonSendMut<&mut Canvas<Window>>,
+    map_texture: NonSendMut<MapTextureResource>,
+    mut backbuffer: NonSendMut<BackbufferResource>,
+    mut atlas: NonSendMut<SpriteAtlas>,
+    map: Res<Map>,
+    renderables: Query<(Entity, &mut Renderable, &Position)>,
+    mut errors: EventWriter<GameError>,
+) {
+    // Clear the main canvas first
+    canvas.set_draw_color(sdl2::pixels::Color::BLACK);
+    canvas.clear();
+
+    // Render to backbuffer
+    canvas
+        .with_texture_canvas(&mut backbuffer.0, |backbuffer_canvas| {
+            // Clear the backbuffer
+            backbuffer_canvas.set_draw_color(sdl2::pixels::Color::BLACK);
+            backbuffer_canvas.clear();
+
+            // Copy the pre-rendered map texture to the backbuffer
+            backbuffer_canvas
+                .copy(&map_texture.0, None, None)
+                .err()
+                .map(|e| errors.write(TextureError::RenderFailed(e.to_string()).into()));
+
+            // Render all entities to the backbuffer
+            for (_, mut renderable, position) in renderables
+            // .iter_mut()
+            // .sort_by_key::<&mut Renderable, _, _>(|(renderable, renderable, renderable)| renderable.layer)
+            // .collect()
+            {
+                let pos = position.get_pixel_pos(&map.graph);
+                match pos {
+                    Ok(pos) => {
+                        let dest = crate::helpers::centered_with_size(
+                            glam::IVec2::new(pos.x as i32, pos.y as i32),
+                            glam::UVec2::new(renderable.sprite.size.x as u32, renderable.sprite.size.y as u32),
+                        );
+
+                        renderable
+                            .sprite
+                            .render(backbuffer_canvas, &mut atlas, dest)
+                            .err()
+                            .map(|e| errors.write(TextureError::RenderFailed(e.to_string()).into()));
+                    }
+                    Err(e) => {
+                        errors.write(e.into());
+                    }
+                }
+            }
+        })
+        .err()
+        .map(|e| errors.write(TextureError::RenderFailed(e.to_string()).into()));
+
+    // Copy backbuffer to main canvas and present
+    canvas
+        .copy(&backbuffer.0, None, None)
+        .err()
+        .map(|e| errors.write(TextureError::RenderFailed(e.to_string()).into()));
+
+    canvas.present();
+}
--- a/src/texture/animated.rs
+++ b/src/texture/animated.rs
@@ -1,8 +1,5 @@
-use sdl2::rect::Rect;
-use sdl2::render::{Canvas, RenderTarget};
-
 use crate::error::{AnimatedTextureError, GameError, GameResult, TextureError};
-use crate::texture::sprite::{AtlasTile, SpriteAtlas};
+use crate::texture::sprite::AtlasTile;

 #[derive(Debug, Clone)]
 pub struct AnimatedTexture {
@@ -40,12 +37,6 @@ impl AnimatedTexture {
        &self.tiles[self.current_frame]
    }

-    pub fn render<T: RenderTarget>(&self, canvas: &mut Canvas<T>, atlas: &mut SpriteAtlas, dest: Rect) -> GameResult<()> {
-        let mut tile = *self.current_tile();
-        tile.render(canvas, atlas, dest)?;
-        Ok(())
-    }
-
    /// Returns the current frame index.
    #[allow(dead_code)]
    pub fn current_frame(&self) -> usize {
--- a/src/texture/directional.rs
+++ b/src/texture/directional.rs
@@ -1,80 +0,0 @@
-use sdl2::rect::Rect;
-use sdl2::render::{Canvas, RenderTarget};
-
-use crate::entity::direction::Direction;
-use crate::error::GameResult;
-use crate::texture::animated::AnimatedTexture;
-use crate::texture::sprite::SpriteAtlas;
-
-#[derive(Clone)]
-pub struct DirectionalAnimatedTexture {
-    textures: [Option<AnimatedTexture>; 4],
-    stopped_textures: [Option<AnimatedTexture>; 4],
-}
-
-impl DirectionalAnimatedTexture {
-    pub fn new(textures: [Option<AnimatedTexture>; 4], stopped_textures: [Option<AnimatedTexture>; 4]) -> Self {
-        Self {
-            textures,
-            stopped_textures,
-        }
-    }
-
-    pub fn tick(&mut self, dt: f32) {
-        for texture in self.textures.iter_mut().flatten() {
-            texture.tick(dt);
-        }
-    }
-
-    pub fn render<T: RenderTarget>(
-        &self,
-        canvas: &mut Canvas<T>,
-        atlas: &mut SpriteAtlas,
-        dest: Rect,
-        direction: Direction,
-    ) -> GameResult<()> {
-        if let Some(texture) = &self.textures[direction.as_usize()] {
-            texture.render(canvas, atlas, dest)
-        } else {
-            Ok(())
-        }
-    }
-
-    pub fn render_stopped<T: RenderTarget>(
-        &self,
-        canvas: &mut Canvas<T>,
-        atlas: &mut SpriteAtlas,
-        dest: Rect,
-        direction: Direction,
-    ) -> GameResult<()> {
-        if let Some(texture) = &self.stopped_textures[direction.as_usize()] {
-            texture.render(canvas, atlas, dest)
-        } else {
-            Ok(())
-        }
-    }
-
-    /// Returns true if the texture has a direction.
-    #[allow(dead_code)]
-    pub fn has_direction(&self, direction: Direction) -> bool {
-        self.textures[direction.as_usize()].is_some()
-    }
-
-    /// Returns true if the texture has a stopped direction.
-    #[allow(dead_code)]
-    pub fn has_stopped_direction(&self, direction: Direction) -> bool {
-        self.stopped_textures[direction.as_usize()].is_some()
-    }
-
-    /// Returns the number of textures.
-    #[allow(dead_code)]
-    pub fn texture_count(&self) -> usize {
-        self.textures.iter().filter(|t| t.is_some()).count()
-    }
-
-    /// Returns the number of stopped textures.
-    #[allow(dead_code)]
-    pub fn stopped_texture_count(&self) -> usize {
-        self.stopped_textures.iter().filter(|t| t.is_some()).count()
-    }
-}
--- a/src/texture/mod.rs
+++ b/src/texture/mod.rs
@@ -1,5 +1,4 @@
 pub mod animated;
 pub mod blinking;
-pub mod directional;
 pub mod sprite;
 pub mod text;
--- a/src/texture/sprite.rs
+++ b/src/texture/sprite.rs
@@ -8,33 +8,6 @@ use std::collections::HashMap;

 use crate::error::TextureError;

-/// A simple sprite for stationary items like pellets and energizers.
-#[derive(Clone, Debug)]
-pub struct Sprite {
-    pub atlas_tile: AtlasTile,
-}
-
-impl Sprite {
-    pub fn new(atlas_tile: AtlasTile) -> Self {
-        Self { atlas_tile }
-    }
-
-    pub fn render<C: RenderTarget>(
-        &self,
-        canvas: &mut Canvas<C>,
-        atlas: &mut SpriteAtlas,
-        position: glam::Vec2,
-    ) -> Result<(), TextureError> {
-        let dest = crate::helpers::centered_with_size(
-            glam::IVec2::new(position.x as i32, position.y as i32),
-            glam::UVec2::new(self.atlas_tile.size.x as u32, self.atlas_tile.size.y as u32),
-        );
-        let mut tile = self.atlas_tile;
-        tile.render(canvas, atlas, dest)?;
-        Ok(())
-    }
-}
-
 #[derive(Clone, Debug, Deserialize)]
 pub struct AtlasMapper {
    pub frames: HashMap<String, MapperFrame>,
--- a/tests/collision.rs
+++ b/tests/collision.rs
@@ -1,119 +0,0 @@
-use pacman::entity::collision::{Collidable, CollisionSystem};
-use pacman::entity::traversal::Position;
-
-struct MockCollidable {
-    pos: Position,
-}
-
-impl Collidable for MockCollidable {
-    fn position(&self) -> Position {
-        self.pos
-    }
-}
-
-#[test]
-fn test_is_colliding_with() {
-    let entity1 = MockCollidable {
-        pos: Position::AtNode(1),
-    };
-    let entity2 = MockCollidable {
-        pos: Position::AtNode(1),
-    };
-    let entity3 = MockCollidable {
-        pos: Position::AtNode(2),
-    };
-    let entity4 = MockCollidable {
-        pos: Position::BetweenNodes {
-            from: 1,
-            to: 2,
-            traversed: 0.5,
-        },
-    };
-
-    assert!(entity1.is_colliding_with(&entity2));
-    assert!(!entity1.is_colliding_with(&entity3));
-    assert!(entity1.is_colliding_with(&entity4));
-    assert!(entity3.is_colliding_with(&entity4));
-}
-
-#[test]
-fn test_collision_system_register_and_query() {
-    let mut collision_system = CollisionSystem::default();
-
-    let pos1 = Position::AtNode(1);
-    let entity1 = collision_system.register_entity(pos1);
-
-    let pos2 = Position::BetweenNodes {
-        from: 1,
-        to: 2,
-        traversed: 0.5,
-    };
-    let entity2 = collision_system.register_entity(pos2);
-
-    let pos3 = Position::AtNode(3);
-    let entity3 = collision_system.register_entity(pos3);
-
-    // Test entities_at_node
-    assert_eq!(collision_system.entities_at_node(1), &[entity1, entity2]);
-    assert_eq!(collision_system.entities_at_node(2), &[entity2]);
-    assert_eq!(collision_system.entities_at_node(3), &[entity3]);
-    assert_eq!(collision_system.entities_at_node(4), &[] as &[u32]);
-
-    // Test potential_collisions
-    let mut collisions1 = collision_system.potential_collisions(&pos1);
-    collisions1.sort_unstable();
-    assert_eq!(collisions1, vec![entity1, entity2]);
-
-    let mut collisions2 = collision_system.potential_collisions(&pos2);
-    collisions2.sort_unstable();
-    assert_eq!(collisions2, vec![entity1, entity2]);
-
-    let mut collisions3 = collision_system.potential_collisions(&pos3);
-    collisions3.sort_unstable();
-    assert_eq!(collisions3, vec![entity3]);
-}
-
-#[test]
-fn test_collision_system_update() {
-    let mut collision_system = CollisionSystem::default();
-
-    let entity1 = collision_system.register_entity(Position::AtNode(1));
-
-    assert_eq!(collision_system.entities_at_node(1), &[entity1]);
-    assert_eq!(collision_system.entities_at_node(2), &[] as &[u32]);
-
-    collision_system.update_position(entity1, Position::AtNode(2));
-
-    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
-    assert_eq!(collision_system.entities_at_node(2), &[entity1]);
-
-    collision_system.update_position(
-        entity1,
-        Position::BetweenNodes {
-            from: 2,
-            to: 3,
-            traversed: 0.1,
-        },
-    );
-
-    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
-    assert_eq!(collision_system.entities_at_node(2), &[entity1]);
-    assert_eq!(collision_system.entities_at_node(3), &[entity1]);
-}
-
-#[test]
-fn test_collision_system_remove() {
-    let mut collision_system = CollisionSystem::default();
-
-    let entity1 = collision_system.register_entity(Position::AtNode(1));
-    let entity2 = collision_system.register_entity(Position::AtNode(1));
-
-    assert_eq!(collision_system.entities_at_node(1), &[entity1, entity2]);
-
-    collision_system.remove_entity(entity1);
-
-    assert_eq!(collision_system.entities_at_node(1), &[entity2]);
-
-    collision_system.remove_entity(entity2);
-    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
-}
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -2,7 +2,7 @@

 use pacman::{
    asset::{get_asset_bytes, Asset},
-    game::state::ATLAS_FRAMES,
+    game::ATLAS_FRAMES,
    texture::sprite::{AtlasMapper, SpriteAtlas},
 };
 use sdl2::{
--- a/tests/directional.rs
+++ b/tests/directional.rs
@@ -1,77 +0,0 @@
-use glam::U16Vec2;
-use pacman::entity::direction::Direction;
-use pacman::texture::animated::AnimatedTexture;
-use pacman::texture::directional::DirectionalAnimatedTexture;
-use pacman::texture::sprite::AtlasTile;
-use sdl2::pixels::Color;
-
-fn mock_atlas_tile(id: u32) -> AtlasTile {
-    AtlasTile {
-        pos: U16Vec2::new(0, 0),
-        size: U16Vec2::new(16, 16),
-        color: Some(Color::RGB(id as u8, 0, 0)),
-    }
-}
-
-fn mock_animated_texture(id: u32) -> AnimatedTexture {
-    AnimatedTexture::new(vec![mock_atlas_tile(id)], 0.1).expect("Invalid frame duration")
-}
-
-#[test]
-fn test_directional_texture_partial_directions() {
-    let mut textures = [None, None, None, None];
-    textures[Direction::Up.as_usize()] = Some(mock_animated_texture(1));
-
-    let texture = DirectionalAnimatedTexture::new(textures, [None, None, None, None]);
-
-    assert_eq!(texture.texture_count(), 1);
-    assert!(texture.has_direction(Direction::Up));
-    assert!(!texture.has_direction(Direction::Down));
-    assert!(!texture.has_direction(Direction::Left));
-    assert!(!texture.has_direction(Direction::Right));
-}
-
-#[test]
-fn test_directional_texture_all_directions() {
-    let mut textures = [None, None, None, None];
-    let directions = [
-        (Direction::Up, 1),
-        (Direction::Down, 2),
-        (Direction::Left, 3),
-        (Direction::Right, 4),
-    ];
-
-    for (direction, id) in directions {
-        textures[direction.as_usize()] = Some(mock_animated_texture(id));
-    }
-
-    let texture = DirectionalAnimatedTexture::new(textures, [None, None, None, None]);
-
-    assert_eq!(texture.texture_count(), 4);
-    for direction in &[Direction::Up, Direction::Down, Direction::Left, Direction::Right] {
-        assert!(texture.has_direction(*direction));
-    }
-}
-
-#[test]
-fn test_directional_texture_stopped() {
-    let mut stopped_textures = [None, None, None, None];
-    stopped_textures[Direction::Up.as_usize()] = Some(mock_animated_texture(1));
-
-    let texture = DirectionalAnimatedTexture::new([None, None, None, None], stopped_textures);
-
-    assert_eq!(texture.stopped_texture_count(), 1);
-    assert!(texture.has_stopped_direction(Direction::Up));
-    assert!(!texture.has_stopped_direction(Direction::Down));
-}
-
-#[test]
-fn test_directional_texture_tick() {
-    let mut textures = [None, None, None, None];
-    textures[Direction::Up.as_usize()] = Some(mock_animated_texture(1));
-    let mut texture = DirectionalAnimatedTexture::new(textures, [None, None, None, None]);
-
-    // This is a bit of a placeholder, since we can't inspect the inner state easily.
-    // We're just ensuring the tick method runs without panicking.
-    texture.tick(0.1);
-}
--- a/tests/game.rs
+++ b/tests/game.rs
@@ -1,7 +1,6 @@
 use pacman::constants::RAW_BOARD;
-use pacman::map::Map;
+use pacman::map::builder::Map;

-mod collision;
 mod item;

 #[test]
--- a/tests/ghost.rs
+++ b/tests/ghost.rs
@@ -1,48 +0,0 @@
-use pacman::entity::ghost::{Ghost, GhostType};
-use pacman::entity::graph::Graph;
-use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-use std::collections::HashMap;
-
-fn create_test_atlas() -> SpriteAtlas {
-    let mut frames = HashMap::new();
-    let directions = ["up", "down", "left", "right"];
-    let ghost_types = ["blinky", "pinky", "inky", "clyde"];
-
-    for ghost_type in &ghost_types {
-        for (i, dir) in directions.iter().enumerate() {
-            frames.insert(
-                format!("ghost/{}/{}_{}.png", ghost_type, dir, "a"),
-                MapperFrame {
-                    x: i as u16 * 16,
-                    y: 0,
-                    width: 16,
-                    height: 16,
-                },
-            );
-            frames.insert(
-                format!("ghost/{}/{}_{}.png", ghost_type, dir, "b"),
-                MapperFrame {
-                    x: i as u16 * 16,
-                    y: 16,
-                    width: 16,
-                    height: 16,
-                },
-            );
-        }
-    }
-
-    let mapper = AtlasMapper { frames };
-    let dummy_texture = unsafe { std::mem::zeroed() };
-    SpriteAtlas::new(dummy_texture, mapper)
-}
-
-#[test]
-fn test_ghost_creation() {
-    let graph = Graph::new();
-    let atlas = create_test_atlas();
-
-    let ghost = Ghost::new(&graph, 0, GhostType::Blinky, &atlas).unwrap();
-
-    assert_eq!(ghost.ghost_type, GhostType::Blinky);
-    assert_eq!(ghost.traverser.position.from_node_id(), 0);
-}
--- a/tests/graph.rs
+++ b/tests/graph.rs
@@ -1,6 +1,5 @@
 use pacman::entity::direction::Direction;
 use pacman::entity::graph::{EdgePermissions, Graph, Node};
-use pacman::entity::traversal::{Position, Traverser};

 fn create_test_graph() -> Graph {
    let mut graph = Graph::new();
@@ -150,68 +149,3 @@ fn should_find_edge_between_nodes() {
    let non_existent_edge = graph.find_edge(0, 99);
    assert!(non_existent_edge.is_none());
 }
-
-#[test]
-fn test_traverser_basic() {
-    let graph = create_test_graph();
-    let mut traverser = Traverser::new(&graph, 0, Direction::Left, &|_| true);
-
-    traverser.set_next_direction(Direction::Up);
-    assert!(traverser.next_direction.is_some());
-    assert_eq!(traverser.next_direction.unwrap().0, Direction::Up);
-}
-
-#[test]
-fn test_traverser_advance() {
-    let graph = create_test_graph();
-    let mut traverser = Traverser::new(&graph, 0, Direction::Right, &|_| true);
-
-    traverser.advance(&graph, 5.0, &|_| true).unwrap();
-
-    match traverser.position {
-        Position::BetweenNodes { from, to, traversed } => {
-            assert_eq!(from, 0);
-            assert_eq!(to, 1);
-            assert_eq!(traversed, 5.0);
-        }
-        _ => panic!("Expected to be between nodes"),
-    }
-
-    traverser.advance(&graph, 3.0, &|_| true).unwrap();
-
-    match traverser.position {
-        Position::BetweenNodes { from, to, traversed } => {
-            assert_eq!(from, 0);
-            assert_eq!(to, 1);
-            assert_eq!(traversed, 8.0);
-        }
-        _ => panic!("Expected to be between nodes"),
-    }
-}
-
-#[test]
-fn test_traverser_with_permissions() {
-    let mut graph = Graph::new();
-    let node1 = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 0.0),
-    });
-    let node2 = graph.add_node(Node {
-        position: glam::Vec2::new(16.0, 0.0),
-    });
-
-    graph
-        .add_edge(node1, node2, false, None, Direction::Right, EdgePermissions::GhostsOnly)
-        .unwrap();
-
-    // Pacman can't traverse ghost-only edges
-    let mut traverser = Traverser::new(&graph, node1, Direction::Right, &|edge| {
-        matches!(edge.permissions, EdgePermissions::All)
-    });
-
-    traverser
-        .advance(&graph, 5.0, &|edge| matches!(edge.permissions, EdgePermissions::All))
-        .unwrap();
-
-    // Should still be at the node since it can't traverse
-    assert!(traverser.position.is_at_node());
-}
--- a/tests/item.rs
+++ b/tests/item.rs
@@ -1,53 +1,46 @@
-use glam::U16Vec2;
-use pacman::{
-    entity::{
-        collision::Collidable,
-        item::{FruitKind, Item, ItemType},
-    },
-    texture::sprite::{AtlasTile, Sprite},
-};
-use strum::{EnumCount, IntoEnumIterator};
+// use glam::U16Vec2;
+// use pacman::texture::sprite::{AtlasTile, Sprite};

-#[test]
-fn test_item_type_get_score() {
-    assert_eq!(ItemType::Pellet.get_score(), 10);
-    assert_eq!(ItemType::Energizer.get_score(), 50);
+// #[test]
+// fn test_item_type_get_score() {
+//     assert_eq!(ItemType::Pellet.get_score(), 10);
+//     assert_eq!(ItemType::Energizer.get_score(), 50);

-    let fruit = ItemType::Fruit { kind: FruitKind::Apple };
-    assert_eq!(fruit.get_score(), 100);
-}
+//     let fruit = ItemType::Fruit { kind: FruitKind::Apple };
+//     assert_eq!(fruit.get_score(), 100);
+// }

-#[test]
-fn test_fruit_kind_increasing_score() {
-    // Build a list of fruit kinds, sorted by their index
-    let mut kinds = FruitKind::iter()
-        .map(|kind| (kind.index(), kind.get_score()))
-        .collect::<Vec<_>>();
-    kinds.sort_unstable_by_key(|(index, _)| *index);
+// #[test]
+// fn test_fruit_kind_increasing_score() {
+//     // Build a list of fruit kinds, sorted by their index
+//     let mut kinds = FruitKind::iter()
+//         .map(|kind| (kind.index(), kind.get_score()))
+//         .collect::<Vec<_>>();
+//     kinds.sort_unstable_by_key(|(index, _)| *index);

-    assert_eq!(kinds.len(), FruitKind::COUNT);
+//     assert_eq!(kinds.len(), FruitKind::COUNT);

-    // Check that the score increases as expected
-    for window in kinds.windows(2) {
-        let ((_, prev), (_, next)) = (window[0], window[1]);
-        assert!(prev < next, "Fruits should have increasing scores, but {prev:?} < {next:?}");
-    }
-}
+//     // Check that the score increases as expected
+//     for window in kinds.windows(2) {
+//         let ((_, prev), (_, next)) = (window[0], window[1]);
+//         assert!(prev < next, "Fruits should have increasing scores, but {prev:?} < {next:?}");
+//     }
+// }

-#[test]
-fn test_item_creation_and_collection() {
-    let atlas_tile = AtlasTile {
-        pos: U16Vec2::new(0, 0),
-        size: U16Vec2::new(16, 16),
-        color: None,
-    };
-    let sprite = Sprite::new(atlas_tile);
-    let mut item = Item::new(0, ItemType::Pellet, sprite);
+// #[test]
+// fn test_item_creation_and_collection() {
+//     let atlas_tile = AtlasTile {
+//         pos: U16Vec2::new(0, 0),
+//         size: U16Vec2::new(16, 16),
+//         color: None,
+//     };
+//     let sprite = Sprite::new(atlas_tile);
+//     let mut item = Item::new(0, ItemType::Pellet, sprite);

-    assert!(!item.is_collected());
-    assert_eq!(item.get_score(), 10);
-    assert_eq!(item.position().from_node_id(), 0);
+//     assert!(!item.is_collected());
+//     assert_eq!(item.get_score(), 10);
+//     assert_eq!(item.position().from_node_id(), 0);

-    item.collect();
-    assert!(item.is_collected());
-}
+//     item.collect();
+//     assert!(item.is_collected());
+// }
--- a/tests/map_builder.rs
+++ b/tests/map_builder.rs
@@ -1,7 +1,6 @@
 use glam::Vec2;
 use pacman::constants::{CELL_SIZE, RAW_BOARD};
-use pacman::map::Map;
-use sdl2::render::Texture;
+use pacman::map::builder::Map;

 #[test]
 fn test_map_creation() {
@@ -34,60 +33,60 @@ fn test_map_node_positions() {
    }
 }

-#[test]
-fn test_generate_items() {
-    use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-    use std::collections::HashMap;
+// #[test]
+// fn test_generate_items() {
+//     use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
+//     use std::collections::HashMap;

-    let map = Map::new(RAW_BOARD).unwrap();
+//     let map = Map::new(RAW_BOARD).unwrap();

-    // Create a minimal atlas for testing
-    let mut frames = HashMap::new();
-    frames.insert(
-        "maze/pellet.png".to_string(),
-        MapperFrame {
-            x: 0,
-            y: 0,
-            width: 8,
-            height: 8,
-        },
-    );
-    frames.insert(
-        "maze/energizer.png".to_string(),
-        MapperFrame {
-            x: 8,
-            y: 0,
-            width: 8,
-            height: 8,
-        },
-    );
+//     // Create a minimal atlas for testing
+//     let mut frames = HashMap::new();
+//     frames.insert(
+//         "maze/pellet.png".to_string(),
+//         MapperFrame {
+//             x: 0,
+//             y: 0,
+//             width: 8,
+//             height: 8,
+//         },
+//     );
+//     frames.insert(
+//         "maze/energizer.png".to_string(),
+//         MapperFrame {
+//             x: 8,
+//             y: 0,
+//             width: 8,
+//             height: 8,
+//         },
+//     );

-    let mapper = AtlasMapper { frames };
-    let texture = unsafe { std::mem::transmute::<usize, Texture<'static>>(0usize) };
-    let atlas = SpriteAtlas::new(texture, mapper);
+//     let mapper = AtlasMapper { frames };
+//     let texture = unsafe { std::mem::transmute::<usize, Texture<'static>>(0usize) };
+//     let atlas = SpriteAtlas::new(texture, mapper);

-    let items = map.generate_items(&atlas).unwrap();
+//     let items = map.generate_items(&atlas).unwrap();

-    // Verify we have items
-    assert!(!items.is_empty());
+//     // Verify we have items
+//     assert!(!items.is_empty());

-    // Count different types
-    let pellet_count = items
-        .iter()
-        .filter(|item| matches!(item.item_type, pacman::entity::item::ItemType::Pellet))
-        .count();
-    let energizer_count = items
-        .iter()
-        .filter(|item| matches!(item.item_type, pacman::entity::item::ItemType::Energizer))
-        .count();
+//     // Count different types
+//     let pellet_count = items
+//         .iter()
+//         .filter(|item| matches!(item.item_type, pacman::entity::item::ItemType::Pellet))
+//         .count();
+//     let energizer_count = items
+//         .iter()
+//         .filter(|item| matches!(item.item_type, pacman::entity::item::ItemType::Energizer))
+//         .count();

-    // Should have both types
-    assert_eq!(pellet_count, 240);
-    assert_eq!(energizer_count, 4);
+//     // Should have both types
+//     assert_eq!(pellet_count, 240);
+//     assert_eq!(energizer_count, 4);

-    // All items should be uncollected initially
-    assert!(items.iter().all(|item| !item.is_collected()));
+//     // All items should be uncollected initially
+//     assert!(items.iter().all(|item| !item.is_collected()));

-    // All items should have valid node indices
-    assert!(items.iter().all(|item| item.node_index < map.graph.node_count()));
-}
+//     // All items should have valid node indices
+//     assert!(items.iter().all(|item| item.node_index < map.graph.node_count()));
+// }
--- a/tests/pacman.rs
+++ b/tests/pacman.rs
@@ -1,107 +0,0 @@
-use pacman::entity::direction::Direction;
-use pacman::entity::graph::{Graph, Node};
-use pacman::entity::pacman::Pacman;
-use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-use sdl2::keyboard::Keycode;
-use std::collections::HashMap;
-
-fn create_test_graph() -> Graph {
-    let mut graph = Graph::new();
-    let node1 = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 0.0),
-    });
-    let node2 = graph.add_node(Node {
-        position: glam::Vec2::new(16.0, 0.0),
-    });
-    let node3 = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 16.0),
-    });
-
-    graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-    graph.connect(node1, node3, false, None, Direction::Down).unwrap();
-
-    graph
-}
-
-fn create_test_atlas() -> SpriteAtlas {
-    let mut frames = HashMap::new();
-    let directions = ["up", "down", "left", "right"];
-
-    for (i, dir) in directions.iter().enumerate() {
-        frames.insert(
-            format!("pacman/{dir}_a.png"),
-            MapperFrame {
-                x: i as u16 * 16,
-                y: 0,
-                width: 16,
-                height: 16,
-            },
-        );
-        frames.insert(
-            format!("pacman/{dir}_b.png"),
-            MapperFrame {
-                x: i as u16 * 16,
-                y: 16,
-                width: 16,
-                height: 16,
-            },
-        );
-    }
-
-    frames.insert(
-        "pacman/full.png".to_string(),
-        MapperFrame {
-            x: 64,
-            y: 0,
-            width: 16,
-            height: 16,
-        },
-    );
-
-    let mapper = AtlasMapper { frames };
-    let dummy_texture = unsafe { std::mem::zeroed() };
-    SpriteAtlas::new(dummy_texture, mapper)
-}
-
-#[test]
-fn test_pacman_creation() {
-    let graph = create_test_graph();
-    let atlas = create_test_atlas();
-    let pacman = Pacman::new(&graph, 0, &atlas).unwrap();
-
-    assert!(pacman.traverser.position.is_at_node());
-    assert_eq!(pacman.traverser.direction, Direction::Left);
-}
-
-#[test]
-fn test_pacman_key_handling() {
-    let graph = create_test_graph();
-    let atlas = create_test_atlas();
-    let mut pacman = Pacman::new(&graph, 0, &atlas).unwrap();
-
-    let test_cases = [
-        (Keycode::Up, Direction::Up),
-        (Keycode::Down, Direction::Down),
-        (Keycode::Left, Direction::Left),
-        (Keycode::Right, Direction::Right),
-    ];
-
-    for (key, expected_direction) in test_cases {
-        pacman.handle_key(key);
-        assert!(pacman.traverser.next_direction.is_some() || pacman.traverser.direction == expected_direction);
-    }
-}
-
-#[test]
-fn test_pacman_invalid_key() {
-    let graph = create_test_graph();
-    let atlas = create_test_atlas();
-    let mut pacman = Pacman::new(&graph, 0, &atlas).unwrap();
-
-    let original_direction = pacman.traverser.direction;
-    let original_next_direction = pacman.traverser.next_direction;
-
-    pacman.handle_key(Keycode::Space);
-    assert_eq!(pacman.traverser.direction, original_direction);
-    assert_eq!(pacman.traverser.next_direction, original_next_direction);
-}
--- a/tests/pathfinding.rs
+++ b/tests/pathfinding.rs
@@ -1,120 +0,0 @@
-use pacman::entity::direction::Direction;
-use pacman::entity::ghost::{Ghost, GhostType};
-use pacman::entity::graph::{Graph, Node};
-use pacman::texture::sprite::{AtlasMapper, MapperFrame, SpriteAtlas};
-use std::collections::HashMap;
-
-fn create_test_atlas() -> SpriteAtlas {
-    let mut frames = HashMap::new();
-    let directions = ["up", "down", "left", "right"];
-    let ghost_types = ["blinky", "pinky", "inky", "clyde"];
-
-    for ghost_type in &ghost_types {
-        for (i, dir) in directions.iter().enumerate() {
-            frames.insert(
-                format!("ghost/{}/{}_{}.png", ghost_type, dir, "a"),
-                MapperFrame {
-                    x: i as u16 * 16,
-                    y: 0,
-                    width: 16,
-                    height: 16,
-                },
-            );
-            frames.insert(
-                format!("ghost/{}/{}_{}.png", ghost_type, dir, "b"),
-                MapperFrame {
-                    x: i as u16 * 16,
-                    y: 16,
-                    width: 16,
-                    height: 16,
-                },
-            );
-        }
-    }
-
-    let mapper = AtlasMapper { frames };
-    let dummy_texture = unsafe { std::mem::zeroed() };
-    SpriteAtlas::new(dummy_texture, mapper)
-}
-
-#[test]
-fn test_ghost_pathfinding() {
-    // Create a simple test graph
-    let mut graph = Graph::new();
-
-    // Add nodes in a simple line: 0 -> 1 -> 2
-    let node0 = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 0.0),
-    });
-    let node1 = graph.add_node(Node {
-        position: glam::Vec2::new(10.0, 0.0),
-    });
-    let node2 = graph.add_node(Node {
-        position: glam::Vec2::new(20.0, 0.0),
-    });
-
-    // Connect the nodes
-    graph.connect(node0, node1, false, None, Direction::Right).unwrap();
-    graph.connect(node1, node2, false, None, Direction::Right).unwrap();
-
-    // Create a test atlas for the ghost
-    let atlas = create_test_atlas();
-
-    // Create a ghost at node 0
-    let ghost = Ghost::new(&graph, node0, GhostType::Blinky, &atlas).unwrap();
-
-    // Test pathfinding from node 0 to node 2
-    let path = ghost.calculate_path_to_target(&graph, node2);
-
-    assert!(path.is_ok());
-    let path = path.unwrap();
-    assert!(
-        path == vec![node0, node1, node2] || path == vec![node2, node1, node0],
-        "Path was not what was expected"
-    );
-}
-
-#[test]
-fn test_ghost_pathfinding_no_path() {
-    // Create a test graph with disconnected components
-    let mut graph = Graph::new();
-
-    let node0 = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 0.0),
-    });
-    let node1 = graph.add_node(Node {
-        position: glam::Vec2::new(10.0, 0.0),
-    });
-
-    // Don't connect the nodes
-    let atlas = create_test_atlas();
-    let ghost = Ghost::new(&graph, node0, GhostType::Blinky, &atlas).unwrap();
-
-    // Test pathfinding when no path exists
-    let path = ghost.calculate_path_to_target(&graph, node1);
-
-    assert!(path.is_err());
-}
-
-#[test]
-fn test_ghost_debug_colors() {
-    let atlas = create_test_atlas();
-    let mut graph = Graph::new();
-    let node = graph.add_node(Node {
-        position: glam::Vec2::new(0.0, 0.0),
-    });
-
-    let blinky = Ghost::new(&graph, node, GhostType::Blinky, &atlas).unwrap();
-    let pinky = Ghost::new(&graph, node, GhostType::Pinky, &atlas).unwrap();
-    let inky = Ghost::new(&graph, node, GhostType::Inky, &atlas).unwrap();
-    let clyde = Ghost::new(&graph, node, GhostType::Clyde, &atlas).unwrap();
-
-    // Test that each ghost has a different debug color
-    let colors = std::collections::HashSet::from([
-        blinky.debug_color(),
-        pinky.debug_color(),
-        inky.debug_color(),
-        clyde.debug_color(),
-    ]);
-    assert_eq!(colors.len(), 4, "All ghost colors should be unique");
-}
--- a/tests/sprite.rs
+++ b/tests/sprite.rs
@@ -1,5 +1,5 @@
 use glam::U16Vec2;
-use pacman::texture::sprite::{AtlasMapper, AtlasTile, MapperFrame, Sprite, SpriteAtlas};
+use pacman::texture::sprite::{AtlasMapper, AtlasTile, MapperFrame, SpriteAtlas};
 use sdl2::pixels::Color;
 use std::collections::HashMap;

@@ -92,12 +92,3 @@ fn test_atlas_tile_new_and_with_color() {
    let tile_with_color = tile.with_color(color);
    assert_eq!(tile_with_color.color, Some(color));
 }
-
-#[test]
-fn test_sprite_new() {
-    let atlas_tile = AtlasTile::new(U16Vec2::new(0, 0), U16Vec2::new(16, 16), None);
-    let sprite = Sprite::new(atlas_tile);
-
-    assert_eq!(sprite.atlas_tile.pos, atlas_tile.pos);
-    assert_eq!(sprite.atlas_tile.size, atlas_tile.size);
-}
Author	SHA1	Message	Date
Xevion	730daed20a	feat: entity type for proper edge permission calculations	2025-08-15 10:06:09 -05:00
Xevion	b9bae99a4c	refactor: reorganize systems properly, move events to events.rs	2025-08-15 09:48:16 -05:00
Xevion	2c65048fb0	refactor: rename 'ecs' submodule to 'systems'	2025-08-15 09:27:28 -05:00
Xevion	3388d77ec5	refactor: remove all unused/broken tests, remove many now unused types/functions	2025-08-15 09:24:42 -05:00
Xevion	242da2e263	refactor: reorganize ecs components	2025-08-15 09:17:43 -05:00
Xevion	70fb2b9503	fix: working movement again with ecs	2025-08-14 18:35:23 -05:00
Xevion	0aa056a0ae	feat: ecs keyboard interactions	2025-08-14 18:17:58 -05:00
Xevion	b270318640	feat: directional rendering, interactivity	2025-08-14 15:44:07 -05:00
Xevion	bc759f1ed4	refactor!: begin switching to bevy ECS, all tests broken, all systems broken	2025-08-14 15:06:56 -05:00
Xevion	2f1ff85d8f	refactor: handle pausing within game, reduce input system allocations	2025-08-14 10:36:39 -05:00
Xevion	b7429cd9ec	chore: solve tests/ clippy warnings	2025-08-14 09:46:10 -05:00
Xevion	12a63374a8	feat: avoid using spin sleep unless focused	2025-08-13 23:30:07 -05:00
Xevion	d80d7061e7	refactor: build decoupled input processing & add event queue system	2025-08-13 20:45:56 -05:00
Xevion	abdefe0af0	chore: add hidden note about why Coveralls.io is disappointing today	2025-08-13 19:52:58 -05:00