Try and fix CI

## Summary

- Pin the nightly Rust toolchain used by CI
- Cache Cargo dependencies and build artifacts between Gitea Actions runs
- Share the Linux nightly cache across branches

Reviewed-on: #4
Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>

.gitea/workflows/ci.yml

@@ -0,0 +1,51 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Check out source
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
+            sh -s -- -y --profile minimal
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+          "$HOME/.cargo/bin/rustup" toolchain install nightly-2026-09-14 --profile minimal
+
+      - name: Cache Rust dependencies and build artifacts
+        uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+        with:
+          shared-key: linux-nightly
+          cache-bin: false
+
+      - name: Install Linux dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install --no-install-recommends -y \
+            clang \
+            libasound2-dev \
+            libudev-dev \
+            libusb-1.0-0-dev \
+            libwayland-dev \
+            libx11-dev \
+            libxkbcommon-dev \
+            libxkbcommon-x11-0 \
+            mesa-vulkan-drivers \
+            mold \
+            pkg-config
+
+      - name: Build
+        run: RUSTFLAGS="-D warnings" cargo build --locked -j 4
+
+      - name: Run unit tests
+        run: cargo test --locked --lib -j 4

.gitignore

@@ -1,3 +1,12 @@
 /target
 /.jackdaw
-imported_assets
+imported_assets
+
+# Local editor configuration
+**/.vscode/
+
+# Generated and backup assets
+*.blend1
+*_old.glb
+/replay.json
+*.replay.tmp

.mailmap

@@ -0,0 +1 @@
+Álex Román (EIREXE) <eirexe123@gmail.com> <eirexe@eirteam.moe>

assets/fighters/test/scripts/fair.attack.rhai

@@ -1,12 +1,12 @@
-frame(3);
+frame(4);
 hitbox(0,
-    "Foot.L",
+    "hand_l",
     damage("5.0"),
     vec3("0.0", "0.0", "0.0"),
-    fg32("20.0"),
+    fg32("5.0"),
     angle_sakurai(),
     knockback_normal(),
     knockback("10.0"),
     fg32("1.0")
 );
-frame(6);
+frame(8);

assets/fighters/test/scripts/jab.attack.rhai

@@ -0,0 +1,12 @@
+frame(3);
+hitbox(0,
+    "hand_l",
+    damage("5.0"),
+    vec3("0.0", "0.0", "0.0"),
+    fg32("5.0"),
+    angle(fg32("45.0")),
+    knockback_normal(),
+    knockback("18.0"),
+    fg32("140.0")
+);
+frame(8);

assets/fighters/test/scripts/uptilt.attack.rhai

@@ -0,0 +1,13 @@
+frame(9);
+hitbox(0,
+    "hand_l",
+    damage("5.0"),
+    vec3("1.0", "0.0", "0.0"),
+    fg32("7.0"),
+    angle_sakurai(),
+    knockback_normal(),
+    knockback("10.0"),
+    fg32("1.0")
+);
+
+frame(15);

assets/fighters/test/test.fighter.ron

@@ -1,6 +1,6 @@
 (
     id: TestFighter,
-    model_path: "fighters/test/test-fighter-2.glb",
+    model_path: "fighters/test/test_fighter.gltf",
     model_scale: "10.0",
     baked_animation_path: "fighters/test/test.fighterbake",
     icon: (
@@ -15,10 +15,10 @@
         dash_duration: 24,
         base_dash_accel: "0.1",
         stick_dash_accel: "0.05",
-        max_dash_vel: "2.3",
+        max_dash_vel: "2.0",
-        short_hop_vertical_velocity: "1.35",
+        short_hop_vertical_velocity: "1.45",
-        full_jump_vertical_velocity: "2.1",
+        full_jump_vertical_velocity: "2.0",
-        jump_horizontal_velocity: "0.7",
+        jump_horizontal_velocity: "0.6",
         air_jump_horizontal_velocity: "0.96",
         air_jump_multiplier: "1.0",
         dash_initial_velocity: "1.4",
@@ -63,6 +63,10 @@
         DoubleJumpBack: "JumpB_Game",
         Fall: "Fall_Loop_Game",
         Turn: "Turn_Game",
+
+        FlinchGround: "Air_Hit_Game",
+        FlinchAir: "Air_Hit_Game",
+
         AttackJab1: "Punch_Jab_Game",
         AttackUpTilt: "Idle_Loop_Game",
         AttackForwardTilt: "Idle_Loop_Game",
@@ -70,7 +74,7 @@
     },
     attack_scripts: {
         NeutralAir: "fighters/test/scripts/fair.attack.rhai",
-        Jab: "fighters/test/scripts/fair.attack.rhai",
+        Jab: "fighters/test/scripts/jab.attack.rhai",
         UpTilt: "fighters/test/scripts/uptilt.attack.rhai",
         ForwardTilt: "fighters/test/scripts/uptilt.attack.rhai",
         DownTilt: "fighters/test/scripts/uptilt.attack.rhai",

assets/game_settings.ron

@@ -8,12 +8,16 @@
         smash_input_frame_threshold: 3,
         input_buffer_size: 3,
         turn_into_dashback_window: 2,
-    
     ),
     fighter_common: (
         walk_speed_ease: "0.5",
         ground_max_horizontal_velocity: "3.0",
-        ground_friction_over_walk_speed_multiplier: "2.0"
+        ground_friction_over_walk_speed_multiplier: "2.0",
+        knockback_stacking_window: 2,
+        knockback_decay_per_frame: "0.051",
+        knockback_launch_velocity_multiplier: "0.03",
+        hitstun_frames_per_unit_knockback: "0.4",
+
     ),
     stage_manifest_paths: [
         "stages/battlefield/test.stage.ron"

assets/stages/test.stage.ron

@@ -1,84 +0,0 @@
-(
-    id: TestStage,
-    model_path: "stages/battlefield.glb#Scene0",
-    camera: (
-        left: -75.0,
-        right: 75.0,
-        bottom: -30.0,
-        top: 70.0,
-        origin: (0.0, 15.0),
-        vertical_fov_degrees: 30.0,
-        min_depth: 150.0,
-        max_depth: 400.0,
-        subject_scale: 1.0,
-        tracking_smoothness: 3.0,
-        vertical_tilt_degrees: 0.0,
-        horizontal_pan_coefficient: 0.0,
-        vertical_pan_coefficient: 0.0,
-        max_horizontal_pan_degrees: 17.5,
-        max_upward_pan_degrees: 5.0,
-        max_downward_pan_degrees: 7.0,
-        max_downward_expansion: 40.0,
-    ),
-    polygons: [
-        (
-            poly_type: Platform,
-            lines: [
-                (
-                    (x: "-59.5", y: "23.45"),
-                    Floor
-                ),
-                (
-                    (x: "-28.0", y: "23.45"),
-                    Floor
-                )
-            ]
-        ),
-        (
-            poly_type: Platform,
-            lines: [
-                (
-                    (x: "28.0", y: "23.45"),
-                    Floor
-                ),
-                (
-                    (x: "59.5", y: "23.45"),
-                    Floor
-                )
-            ]
-        ),
-        (
-            poly_type: Closed,
-            lines: [
-                (
-                    (x: "-56", y: "-200.0"),
-                    Wall
-                ),
-                (
-                    (x: "-56.0", y: "-3.5"),
-                    Floor,
-                ),
-                (
-                    (x: "-39.2", y: "0.0"),
-                    Floor,
-                ),
-                (
-                    (x: "0.0", y: "0.0"),
-                    Floor
-                ),
-                (
-                    (x: "39.2", y: "0.0"),
-                    Floor
-                ),
-                (
-                    (x: "56.0", y: "-3.5"),
-                    Wall
-                ),
-                (
-                    (x: "56", y: "-200.0"),
-                    Wall
-                ),
-            ]
-        )
-    ]
-)

assets/ui/textures/fighter_select_token.svg

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="128"
+   height="128"
+   viewBox="0 0 33.866666 33.866666"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.4 (dcaf3e7d9e, 2026-05-05)"
+   sodipodi:docname="cursor.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#000000"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     inkscape:zoom="5.6568542"
+     inkscape:cx="8.6620581"
+     inkscape:cy="67.086756"
+     inkscape:window-width="2560"
+     inkscape:window-height="1006"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1">
+    <linearGradient
+       id="linearGradient1"
+       inkscape:collect="always">
+      <stop
+         style="stop-color:#949494;stop-opacity:1;"
+         offset="0"
+         id="stop1" />
+      <stop
+         style="stop-color:#6c6c6c;stop-opacity:1;"
+         offset="0.77473962"
+         id="stop3" />
+      <stop
+         style="stop-color:#9f9f9f;stop-opacity:1;"
+         offset="1"
+         id="stop2" />
+    </linearGradient>
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient1"
+       id="radialGradient2"
+       cx="16.933332"
+       cy="16.933332"
+       fx="16.933332"
+       fy="16.933332"
+       r="12.733072"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.2093771,0,0,1.2093771,-3.5454518,-3.5454518)" />
+  </defs>
+  <g
+     inkscape:label="Capa 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <circle
+       style="fill:url(#radialGradient2);stroke-width:0.319981"
+       id="path1"
+       cx="16.933332"
+       cy="16.933332"
+       r="15.399086" />
+  </g>
+</svg>

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly"
+channel = "nightly-2026-09-14"

src/debug_tools.rs

@@ -3,11 +3,12 @@
 use std::{collections::HashMap, time::Duration};
 
 use bevy::{
+    input::InputSystems,
     prelude::*,
     settings::{ReflectSettingsGroup, SaveSettingsDeferred, SettingsGroup},
 };
 use bevy_egui::{EguiContexts, EguiPrimaryContextPass, egui};
-use bevy_ggrs::RollbackFrameRate;
+use bevy_ggrs::{RollbackFrameRate, RunGgrsSystems};
 use enum_cycling::EnumCycle;
 use enum_cycling_derive::EnumCycle;
 
@@ -48,7 +49,7 @@ impl PresentationMotionMode {
     }
 }
 
-#[derive(EnumCycle, Reflect)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, EnumCycle, Reflect)]
 pub enum GameSpeedDebug {
     Full,
     Half,
@@ -114,6 +115,7 @@ enum DebugFlag {
     Hurtboxes,
     Camera,
     DrawThroughGeometry,
+    FrameStepping,
 }
 
 #[derive(Clone, Copy)]
@@ -174,6 +176,10 @@ const WORLD_MENU: &[DebugMenuEntry] = &[
     DebugMenuEntry::GameSpeed {
         label: "Game speed",
     },
+    DebugMenuEntry::Toggle {
+        label: "Frame stepping",
+        flag: DebugFlag::FrameStepping,
+    },
 ];
 
 const DIAGNOSTICS_MENU: &[DebugMenuEntry] = &[DebugMenuEntry::Toggle {
@@ -233,6 +239,8 @@ pub struct DebugSettings {
     selections: Vec<usize>,
     #[reflect(ignore)]
     pub player_rows: HashMap<usize, [FighterDebugRowKind; PLAYER_DEBUG_ROW_COUNT]>,
+    #[reflect(ignore)]
+    pub frame_stepping: bool,
     pub network: bool,
     pub ecb: bool,
     pub stage_collision: bool,
@@ -253,6 +261,7 @@ impl Default for DebugSettings {
             pages: vec![DebugMenuPage::Static(ROOT_MENU)],
             selections: vec![0],
             player_rows: HashMap::new(),
+            frame_stepping: false,
             network: false,
             ecb: false,
             stage_collision: false,
@@ -325,6 +334,7 @@ impl DebugSettings {
             DebugFlag::Hurtboxes => self.hurtboxes,
             DebugFlag::DrawThroughGeometry => self.draw_through_geometry,
             DebugFlag::Camera => self.camera,
+            DebugFlag::FrameStepping => self.frame_stepping,
         }
     }
 
@@ -340,6 +350,7 @@ impl DebugSettings {
                 self.draw_through_geometry = !self.draw_through_geometry
             }
             DebugFlag::Camera => self.camera = !self.camera,
+            DebugFlag::FrameStepping => self.frame_stepping = !self.frame_stepping,
         }
     }
 
@@ -356,9 +367,25 @@ impl DebugSettings {
 
 pub struct DebugToolsPlugin;
 
+#[derive(Resource, Default)]
+struct FrameStepState {
+    requested: bool,
+    time_backup: Option<Time>,
+    last_step_time: Time
+}
+
 impl Plugin for DebugToolsPlugin {
     fn build(&self, app: &mut App) {
         app.init_resource::<DebugSettings>()
+            .init_resource::<FrameStepState>()
+            .add_systems(
+                PreUpdate,
+                prepare_frame_step
+                    .after(InputSystems)
+                    .before(RunGgrsSystems)
+                    .run_if(in_state(AppState::InMatch)),
+            )
+            .add_systems(PreUpdate, restore_frame_step_time.after(RunGgrsSystems))
             .add_systems(
                 Update,
                 (handle_palette_input, sync_gizmo_depth_bias)
@@ -387,6 +414,141 @@ fn page_len(page: DebugMenuPage, player_handles: &[usize]) -> usize {
     }
 }
 
+fn queue_settings_save(commands: &mut Commands) {
+    commands.queue(SaveSettingsDeferred(Duration::from_secs_f32(0.1)));
+}
+
+fn frame_step_duration(frame_rate: usize) -> Duration {
+    Duration::from_nanos(1_000_000_000u64 / frame_rate as u64)
+}
+
+fn prepare_frame_step(
+    settings: Res<DebugSettings>,
+    gamepads: Query<&Gamepad>,
+    key: Res<ButtonInput<KeyCode>>,
+    mut state: ResMut<FrameStepState>,
+    mut time: ResMut<Time>,
+    frame_rate: Res<RollbackFrameRate>,
+) {
+    if !settings.frame_stepping {
+        state.requested = false;
+        return;
+    }
+
+    let pressed = gamepads
+        .iter()
+        .any(|gamepad| gamepad.pressed(GamepadButton::DPadDown));
+
+    let just_pressed = gamepads
+            .iter()
+            .any(|gamepad| gamepad.just_pressed(GamepadButton::DPadDown));
+
+    let just_pressed = key.just_pressed(KeyCode::F4) || just_pressed;
+    let pressed = key.pressed(KeyCode::F4) || pressed;
+
+    if just_pressed {
+        state.last_step_time = time.clone();
+    }
+
+    let can_repress = pressed && (time.elapsed() - state.last_step_time.elapsed()).as_millis() > 500;
+
+    if !settings.menu_open && (just_pressed || can_repress)
+    {
+        state.requested = true;
+    }
+
+    state.time_backup = Some(*time);
+    let delta = if state.requested {
+        frame_step_duration(**frame_rate)
+    } else {
+        Duration::ZERO
+    };
+    time.advance_by(delta);
+}
+
+fn restore_frame_step_time(mut state: ResMut<FrameStepState>, mut time: ResMut<Time>) {
+    if let Some(backup) = state.time_backup.take() {
+        *time = backup;
+        state.requested = false;
+    }
+}
+
+fn activate_selected(
+    settings: &mut DebugSettings,
+    page_len: usize,
+    player_handles: &[usize],
+    commands: &mut Commands,
+) {
+    if page_len == 0 {
+        return;
+    }
+
+    match settings.page() {
+        DebugMenuPage::Static(entries) => match entries[settings.selected()] {
+            DebugMenuEntry::StopRecording { .. } => {
+                commands.insert_resource(StopReplayRecording);
+            }
+            DebugMenuEntry::Toggle { flag, .. } => {
+                settings.toggle_flag(flag);
+                if !matches!(flag, DebugFlag::FrameStepping) {
+                    queue_settings_save(commands);
+                }
+            }
+            DebugMenuEntry::Submenu { entries, .. } => {
+                settings.push_page(DebugMenuPage::Static(entries));
+            }
+            DebugMenuEntry::PlayerSlots { .. } => settings.push_page(DebugMenuPage::PlayerList),
+            DebugMenuEntry::MotionSampling { .. } => {
+                settings.cycle_motion_sampling();
+                queue_settings_save(commands);
+            }
+            DebugMenuEntry::GameSpeed { .. } => {
+                commands.insert_resource(RollbackFrameRate(settings.game_speed.frame_rate()));
+                queue_settings_save(commands);
+            }
+        },
+        DebugMenuPage::PlayerList => {
+            let handle = player_handles[settings.selected()];
+            settings.rows_mut(handle);
+            settings.push_page(DebugMenuPage::PlayerRows(handle));
+        }
+        DebugMenuPage::PlayerRows(_) => {}
+    }
+}
+
+fn cycle_selected_value(settings: &mut DebugSettings, direction: i8, commands: &mut Commands) {
+    match settings.page() {
+        DebugMenuPage::Static(entries) => {
+            if let Some(entry) = entries.get(settings.selected()) {
+                match entry {
+                    DebugMenuEntry::MotionSampling { .. } => {
+                        settings.cycle_motion_sampling();
+                        queue_settings_save(commands);
+                    }
+                    DebugMenuEntry::GameSpeed { .. } => {
+                        settings.game_speed = if direction > 0 {
+                            settings.game_speed.up()
+                        } else {
+                            settings.game_speed.down()
+                        };
+                        commands
+                            .insert_resource(RollbackFrameRate(settings.game_speed.frame_rate()));
+                        queue_settings_save(commands);
+                    }
+                    _ => {}
+                }
+            }
+        }
+        DebugMenuPage::PlayerRows(handle) => {
+            let selected = settings.selected();
+            let rows = settings.rows_mut(handle);
+            rows[selected] = rows[selected].cycle(direction);
+            queue_settings_save(commands);
+        }
+        DebugMenuPage::PlayerList => {}
+    }
+}
+
 fn handle_palette_input(
     keyboard: Res<ButtonInput<KeyCode>>,
     gamepads: Query<(Entity, &Gamepad)>,
@@ -398,6 +560,15 @@ fn handle_palette_input(
         settings.toggle_flag(DebugFlag::DrawThroughGeometry);
     }
 
+    if keyboard.just_pressed(KeyCode::F3) {
+        settings.menu_open = !settings.menu_open;
+        settings.controller = None;
+        if settings.menu_open {
+            settings.reset_navigation();
+        }
+        return;
+    }
+
     if !settings.menu_open {
         for (entity, gamepad) in &gamepads {
             if gamepad.just_pressed(GamepadButton::Start) && gamepad.pressed(GamepadButton::DPadUp)
@@ -411,14 +582,15 @@ fn handle_palette_input(
         return;
     }
 
-    let Some(controller) = settings.controller else {
+    let gamepad = if let Some(controller) = settings.controller {
-        settings.menu_open = false;
+        let Ok((_, gamepad)) = gamepads.get(controller) else {
-        return;
+            settings.menu_open = false;
-    };
+            settings.controller = None;
-    let Ok((_, gamepad)) = gamepads.get(controller) else {
+            return;
-        settings.menu_open = false;
+        };
-        settings.controller = None;
+        Some(gamepad)
-        return;
+    } else {
+        None
     };
     let player_handles = player_handles(&players);
     let page = settings.page();
@@ -428,95 +600,51 @@ fn handle_palette_input(
         *settings.selected_mut() = 0;
     }
 
-    if gamepad.just_pressed(GamepadButton::DPadUp) && page_len != 0 {
+    if (gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::DPadUp))
+        || keyboard.just_pressed(KeyCode::ArrowUp)
+        || keyboard.just_pressed(KeyCode::KeyW))
+        && page_len != 0
+    {
         let selected = settings.selected_mut();
         *selected = selected.checked_sub(1).unwrap_or(page_len - 1);
     }
-    if gamepad.just_pressed(GamepadButton::DPadDown) && page_len != 0 {
+    if (gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::DPadDown))
+        || keyboard.just_pressed(KeyCode::ArrowDown)
+        || keyboard.just_pressed(KeyCode::KeyS))
+        && page_len != 0
+    {
         let selected = settings.selected_mut();
         *selected = (*selected + 1) % page_len;
     }
 
-    let direction = if gamepad.just_pressed(GamepadButton::DPadLeft) {
+    let direction = if gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::DPadLeft))
+        || keyboard.just_pressed(KeyCode::ArrowLeft)
+        || keyboard.just_pressed(KeyCode::KeyA)
+    {
         Some(-1)
-    } else if gamepad.just_pressed(GamepadButton::DPadRight) {
+    } else if gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::DPadRight))
+        || keyboard.just_pressed(KeyCode::ArrowRight)
+        || keyboard.just_pressed(KeyCode::KeyD)
+    {
         Some(1)
     } else {
         None
     };
 
     if let Some(direction) = direction {
-        match page {
+        cycle_selected_value(&mut settings, direction, &mut commands);
-            DebugMenuPage::Static(entries) => {
-                if let Some(entry) = entries.get(settings.selected()) {
-                    match entry {
-                        DebugMenuEntry::StopRecording { .. } => {}
-                        DebugMenuEntry::MotionSampling { .. } => settings.cycle_motion_sampling(),
-                        DebugMenuEntry::GameSpeed { .. } => {
-                            if direction > 0 {
-                                settings.game_speed = settings.game_speed.up();
-                            } else {
-                                settings.game_speed = settings.game_speed.down();
-                            }
-
-                            commands.insert_resource(RollbackFrameRate(
-                                settings.game_speed.frame_rate(),
-                            ));
-                        }
-                        _ => {}
-                    }
-                }
-            }
-            DebugMenuPage::PlayerList => todo!(),
-            DebugMenuPage::PlayerRows(_) => {
-                let DebugMenuPage::PlayerRows(handle) = page else {
-                    unreachable!("player row navigation must have a player row page")
-                };
-                let selected = settings.selected();
-                let rows = settings.rows_mut(handle);
-                rows[selected] = rows[selected].cycle(direction);
-
-                commands.queue(SaveSettingsDeferred(Duration::from_secs_f32(0.1)));
-            }
-        }
     }
-
+    if (gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::South))
-    if matches!(page, DebugMenuPage::PlayerRows(_)) {
+        || keyboard.just_pressed(KeyCode::Enter)
-        let direction = if gamepad.just_pressed(GamepadButton::DPadLeft) {
+        || keyboard.just_pressed(KeyCode::Space))
-            Some(-1)
+        && page_len != 0
-        } else if gamepad.just_pressed(GamepadButton::DPadRight) {
+    {
-            Some(1)
+        activate_selected(&mut settings, page_len, &player_handles, &mut commands);
-        } else {
-            None
-        };
-        if let Some(_direction) = direction {}
     }
-    if gamepad.just_pressed(GamepadButton::South) {
+    if (gamepad.is_some_and(|pad| pad.just_pressed(GamepadButton::West))
-        match page {
+        || keyboard.just_pressed(KeyCode::Escape))
-            DebugMenuPage::Static(entries) if page_len != 0 => match entries[settings.selected()] {
+        && !settings.pop_page()
-                DebugMenuEntry::StopRecording { .. } => {
+    {
-                    commands.insert_resource(StopReplayRecording);
-                }
-                DebugMenuEntry::Toggle { flag, .. } => {
-                    settings.toggle_flag(flag);
-                    commands.queue(SaveSettingsDeferred(Duration::from_secs_f32(0.1)));
-                }
-                DebugMenuEntry::Submenu { entries, .. } => {
-                    settings.push_page(DebugMenuPage::Static(entries));
-                }
-                DebugMenuEntry::PlayerSlots { .. } => settings.push_page(DebugMenuPage::PlayerList),
-                DebugMenuEntry::MotionSampling { .. } => settings.cycle_motion_sampling(),
-                DebugMenuEntry::GameSpeed { .. } => {}
-            },
-            DebugMenuPage::PlayerList if page_len != 0 => {
-                let handle = player_handles[settings.selected()];
-                settings.rows_mut(handle);
-                settings.push_page(DebugMenuPage::PlayerRows(handle));
-            }
-            _ => {}
-        }
-    }
-    if gamepad.just_pressed(GamepadButton::West) && !settings.pop_page() {
         settings.menu_open = false;
         settings.controller = None;
     }
@@ -538,8 +666,9 @@ fn sync_gizmo_depth_bias(settings: Res<DebugSettings>, mut configs: ResMut<Gizmo
 
 fn draw_palette(
     mut contexts: EguiContexts,
-    settings: Res<DebugSettings>,
+    mut settings: ResMut<DebugSettings>,
     players: Query<&Player>,
+    mut commands: Commands,
 ) -> Result {
     if !settings.menu_open {
         return Ok(());
@@ -547,7 +676,7 @@ fn draw_palette(
 
     let player_handles = player_handles(&players);
     let page = settings.page();
-    let selected = settings.selected();
+    let page_len = page_len(page, &player_handles);
     egui::Window::new("Debug")
         .anchor(egui::Align2::RIGHT_TOP, egui::vec2(-12.0, 12.0))
         .resizable(false)
@@ -556,38 +685,113 @@ fn draw_palette(
             match page {
                 DebugMenuPage::Static(entries) => {
                     for (index, entry) in entries.iter().enumerate() {
-                        let marker = if index == selected { ">" } else { " " };
+                        ui.horizontal(|ui| {
-                        match entry {
+                            ui.label(if index == settings.selected() {
-                            DebugMenuEntry::StopRecording { label } => {
+                                ">"
-                                ui.label(format!("{marker} {label}"));
+                            } else {
+                                " "
+                            });
+                            match entry {
+                                DebugMenuEntry::StopRecording { label } => {
+                                    if ui.button(*label).clicked() {
+                                        *settings.selected_mut() = index;
+                                        activate_selected(
+                                            &mut settings,
+                                            page_len,
+                                            &player_handles,
+                                            &mut commands,
+                                        );
+                                    }
+                                }
+                                DebugMenuEntry::Toggle { label, flag } => {
+                                    let mut value = settings.flag(*flag);
+                                    if ui.checkbox(&mut value, *label).changed() {
+                                        settings.toggle_flag(*flag);
+                                        if !matches!(flag, DebugFlag::FrameStepping) {
+                                            queue_settings_save(&mut commands);
+                                        }
+                                    }
+                                }
+                                DebugMenuEntry::Submenu { label, .. }
+                                | DebugMenuEntry::PlayerSlots { label } => {
+                                    if ui.button(format!("{label} >")).clicked() {
+                                        *settings.selected_mut() = index;
+                                        activate_selected(
+                                            &mut settings,
+                                            page_len,
+                                            &player_handles,
+                                            &mut commands,
+                                        );
+                                    }
+                                }
+                                DebugMenuEntry::MotionSampling { label } => {
+                                    let old = settings.motion_sampling;
+                                    egui::ComboBox::from_id_salt(("debug-motion", index))
+                                        .width(180.0)
+                                        .selected_text(format!("{label}: {}", old.label()))
+                                        .show_ui(ui, |ui| {
+                                            ui.selectable_value(
+                                                &mut settings.motion_sampling,
+                                                PresentationMotionMode::Interpolation,
+                                                "Interpolation",
+                                            );
+                                            ui.selectable_value(
+                                                &mut settings.motion_sampling,
+                                                PresentationMotionMode::Extrapolation,
+                                                "Extrapolation",
+                                            );
+                                        });
+                                    if settings.motion_sampling != old {
+                                        queue_settings_save(&mut commands);
+                                    }
+                                }
+                                DebugMenuEntry::GameSpeed { label } => {
+                                    let old = settings.game_speed;
+                                    egui::ComboBox::from_id_salt(("debug-speed", index))
+                                        .width(180.0)
+                                        .selected_text(format!("{label}: {}", old.label()))
+                                        .show_ui(ui, |ui| {
+                                            for speed in [
+                                                GameSpeedDebug::Full,
+                                                GameSpeedDebug::Half,
+                                                GameSpeedDebug::Quarter,
+                                            ] {
+                                                ui.selectable_value(
+                                                    &mut settings.game_speed,
+                                                    speed,
+                                                    speed.label(),
+                                                );
+                                            }
+                                        });
+                                    if settings.game_speed != old {
+                                        commands.insert_resource(RollbackFrameRate(
+                                            settings.game_speed.frame_rate(),
+                                        ));
+                                        queue_settings_save(&mut commands);
+                                    }
+                                }
                             }
-                            DebugMenuEntry::Toggle { label, flag } => {
+                        });
-                                let state = if settings.flag(*flag) { "on" } else { "off" };
-                                ui.label(format!("{marker} {label}: {state}"));
-                            }
-                            DebugMenuEntry::Submenu { label, .. }
-                            | DebugMenuEntry::PlayerSlots { label } => {
-                                ui.label(format!("{marker} {label} >"));
-                            }
-                            DebugMenuEntry::MotionSampling { label } => {
-                                ui.label(format!(
-                                    "{marker} {label}: {}",
-                                    settings.motion_sampling.label()
-                                ));
-                            }
-                            DebugMenuEntry::GameSpeed { label } => {
-                                ui.label(format!(
-                                    "{marker} {label}: {}",
-                                    settings.game_speed.label()
-                                ));
-                            }
-                        }
                     }
                 }
                 DebugMenuPage::PlayerList => {
                     for (index, handle) in player_handles.iter().enumerate() {
-                        let marker = if index == selected { ">" } else { " " };
+                        ui.horizontal(|ui| {
-                        ui.label(format!("{marker} Player {} >", handle + 1));
+                            ui.label(if index == settings.selected() {
+                                ">"
+                            } else {
+                                " "
+                            });
+                            if ui.button(format!("Player {} >", handle + 1)).clicked() {
+                                *settings.selected_mut() = index;
+                                activate_selected(
+                                    &mut settings,
+                                    page_len,
+                                    &player_handles,
+                                    &mut commands,
+                                );
+                            }
+                        });
                     }
                     if player_handles.is_empty() {
                         ui.label("No players in match");
@@ -600,16 +804,30 @@ fn draw_palette(
                         .unwrap_or([FighterDebugRowKind::None; PLAYER_DEBUG_ROW_COUNT]);
                     ui.label(format!("Player {}", handle + 1));
                     for (index, row) in rows.iter().enumerate() {
-                        let marker = if index == selected { ">" } else { " " };
+                        ui.horizontal(|ui| {
-                        ui.label(format!("{marker} Row {}: {}", index + 1, row.label()));
+                            ui.label(if index == settings.selected() {
+                                ">"
+                            } else {
+                                " "
+                            });
+                            egui::ComboBox::from_id_salt(("debug-row", handle, index))
+                                .width(180.0)
+                                .selected_text(format!("Row {}: {}", index + 1, row.label()))
+                                .show_ui(ui, |ui| {
+                                    let rows = settings.rows_mut(handle);
+                                    for kind in FighterDebugRowKind::ALL {
+                                        ui.selectable_value(&mut rows[index], kind, kind.label());
+                                    }
+                                });
+                        });
                     }
                 }
             }
             ui.separator();
             let controls = if matches!(page, DebugMenuPage::PlayerRows(_)) {
-                "D-pad: select/change   B: back"
+                "Arrows/WASD: select/change   Escape/B: back"
             } else {
-                "D-pad: select   A: enter/toggle   Left/right: change   B: back"
+                "Arrows/WASD: select   Enter/A: activate   Escape/B: back"
             };
             ui.label(controls);
         });
@@ -699,4 +917,29 @@ mod tests {
         mode.cycle();
         assert_eq!(mode, PresentationMotionMode::Interpolation);
     }
+
+    #[test]
+    fn game_speed_has_expected_frame_rates() {
+        assert_eq!(GameSpeedDebug::Full.frame_rate(), 60);
+        assert_eq!(GameSpeedDebug::Half.frame_rate(), 30);
+        assert_eq!(GameSpeedDebug::Quarter.frame_rate(), 15);
+    }
+
+    #[test]
+    fn frame_stepping_is_disabled_by_default_and_uses_game_speed_timestep() {
+        let settings = DebugSettings::default();
+
+        assert!(!settings.frame_stepping);
+        assert_eq!(frame_step_duration(60), Duration::from_nanos(16_666_666));
+        assert_eq!(frame_step_duration(30), Duration::from_nanos(33_333_333));
+    }
+
+    #[test]
+    fn empty_player_list_does_not_activate() {
+        let mut settings = DebugSettings::default();
+        settings.push_page(DebugMenuPage::PlayerList);
+
+        assert_eq!(page_len(settings.page(), &[]), 0);
+        assert_eq!(settings.selected(), 0);
+    }
 }

src/fighter/baked_animation.rs

@@ -3,6 +3,7 @@
 use std::{
     collections::{HashMap, HashSet},
     io,
+    path::Path,
 };
 
 use bevy::{
@@ -517,6 +518,7 @@ struct FighterBakeDeclaration {
 #[derive(Asset, TypePath)]
 struct FighterBakeSource {
     model_bytes: Vec<u8>,
+    buffers: Vec<Vec<u8>>,
     animations: HashMap<AnimKind, String>,
 }
 
@@ -550,8 +552,31 @@ impl AssetLoader for FighterBakeSourceLoader {
             .read_asset_bytes(&manifest.model_path)
             .await
             .map_err(|error| io::Error::other(error.to_string()))?;
+
+        let gltf = gltf::Gltf::from_slice(&model_bytes)
+            .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+        let mut buffers = Vec::with_capacity(gltf.buffers().len());
+        for buffer in gltf.buffers() {
+            let bytes = match buffer.source() {
+                gltf::buffer::Source::Uri(uri) => load_context
+                    .read_asset_bytes(AssetPath::from_path_buf(
+                        Path::new(&manifest.model_path)
+                            .parent()
+                            .unwrap_or_else(|| Path::new(""))
+                            .join(uri),
+                    ))
+                    .await
+                    .map_err(|error| io::Error::other(error.to_string()))?,
+                gltf::buffer::Source::Bin => gltf.blob.clone().ok_or_else(|| {
+                    io::Error::new(io::ErrorKind::InvalidData, "missing glTF binary blob")
+                })?,
+            };
+            buffers.push(bytes);
+        }
+
         Ok(FighterBakeSource {
             model_bytes,
+            buffers,
             animations: manifest.animations,
         })
     }
@@ -600,7 +625,7 @@ impl AssetTransformer for FighterBakeTransformer {
         source: TransformedAsset<Self::AssetInput>,
         _: &'a Self::Settings,
     ) -> Result<TransformedAsset<Self::AssetOutput>, Self::Error> {
-        let baked = bake_gltf(&source.model_bytes, &source.animations)?;
+        let baked = bake_gltf(&source.model_bytes, &source.buffers, &source.animations)?;
         Ok(source.replace_asset(baked))
     }
 }
@@ -656,10 +681,43 @@ impl Plugin for BakedAnimationPlugin {
 
 fn bake_gltf(
     bytes: &[u8],
+    buffer_bytes: &[Vec<u8>],
     animations: &HashMap<AnimKind, String>,
 ) -> io::Result<BakedFighterAnimations> {
-    let (document, buffers, _) = gltf::import_slice(bytes)
+    let gltf = gltf::Gltf::from_slice(bytes)
         .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+    let buffers = gltf
+        .buffers()
+        .zip(buffer_bytes)
+        .map(|(buffer, bytes)| {
+            if bytes.len() < buffer.length() {
+                return Err(io::Error::new(
+                    io::ErrorKind::InvalidData,
+                    format!(
+                        "glTF buffer {} is too short: expected {}, got {}",
+                        buffer.index(),
+                        buffer.length(),
+                        bytes.len()
+                    ),
+                ));
+            }
+            Ok(gltf::buffer::Data(bytes.clone()))
+        })
+        .collect::<io::Result<Vec<_>>>()?;
+    if buffers.len() != gltf.buffers().len() {
+        return Err(io::Error::new(
+            io::ErrorKind::InvalidData,
+            "glTF buffer data is incomplete",
+        ));
+    }
+    bake_gltf_document(gltf.document, buffers, animations)
+}
+
+fn bake_gltf_document(
+    document: gltf::Document,
+    buffers: Vec<gltf::buffer::Data>,
+    animations: &HashMap<AnimKind, String>,
+) -> io::Result<BakedFighterAnimations> {
     let nodes: Vec<_> = document.nodes().collect();
     if nodes.is_empty() {
         return Err(io::Error::new(
@@ -933,11 +991,12 @@ mod tests {
     fn configured_fighter_clips_bake_to_fixed_point_frames() {
         let manifest: FighterManifest =
             ron::from_str(include_str!("../../assets/fighters/test/test.fighter.ron")).unwrap();
-        let baked = bake_gltf(
+        let (document, buffers, _) = gltf::import(concat!(
-            include_bytes!("../../assets/fighters/test/test-fighter-2.glb"),
+            env!("CARGO_MANIFEST_DIR"),
-            &manifest.animations,
+            "/assets/fighters/test/test_fighter.gltf"
-        )
+        ))
         .unwrap();
+        let baked = bake_gltf_document(document, buffers, &manifest.animations).unwrap();
 
         assert_eq!(baked.frame_rate, BAKED_ANIMATION_FPS);
         assert_eq!(baked.frame_count(AnimKind::Wait), Some(121));

src/main.rs

@@ -1,7 +1,3 @@
-//! Standalone binary for game-test: `cargo run` plays the game
-//! without the editor. The editor's Play button runs the same
-//! [`game_test::GamePlugin`] through its own game runner instead.
-
 use bevy::asset::AssetMode::Processed;
 use bevy::camera_controller::free_camera::FreeCameraPlugin;
 use bevy::image::{ImageAddressMode, ImagePlugin, ImageSamplerDescriptor};
@@ -30,7 +26,7 @@ fn main() -> AppExit {
     App::new()
         .add_plugins(default_plugins)
         .add_plugins(avian3d::prelude::PhysicsPlugins::default())
-        .add_plugins(game_test::GamePlugin)
+        .add_plugins(shinespark::GamePlugin)
         .add_plugins(FreeCameraPlugin)
         .add_plugins(EguiPlugin::default())
         .add_plugins(WorldInspectorPlugin::default()) // adds default options and `InspectorEguiImpl`s