Pin Blender for CI asset processing (#58 )

Reviewed-on: #58 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>
Implement .blend asset processor (#56 )
2026-09-24 14:45:37 +00:00 · 2026-09-24 10:47:19 +00:00 · 2026-09-24 10:30:02 +00:00 · 2026-09-20 17:34:11 +00:00 · 2026-09-20 12:41:13 +00:00 · 2026-09-20 13:35:43 +02:00
39 changed files with 1209 additions and 82383 deletions
@@ -15,6 +15,27 @@ jobs:
      - name: Check out source
        uses: actions/checkout@v4

+      - name: Install Lore CLI
+        run: |
+          scripts/install-lore.sh "$RUNNER_TEMP/lore-bin"
+          echo "$RUNNER_TEMP/lore-bin" >> "$GITHUB_PATH"
+
+      - name: Select Lore asset branch
+        run: |
+          branch=main
+          if [[ "$GITHUB_EVENT_NAME" == pull_request ]]; then
+            branch="$(python3 -c 'import json, os; e=json.load(open(os.environ["GITHUB_EVENT_PATH"], encoding="utf-8")); p=e["pull_request"]; print(p["head"]["ref"] if p["head"]["repo"]["full_name"] == os.environ["GITHUB_REPOSITORY"] else "main")')"
+          fi
+          echo "LORE_BRANCH=$branch" >> "$GITHUB_ENV"
+          echo "Using Lore branch: $branch"
+
+      - name: Fetch assets from Lore
+        env:
+          LORE_CI_USERNAME: ${{ secrets.LORE_CI_USERNAME }}
+          LORE_CI_PASSWORD: ${{ secrets.LORE_CI_PASSWORD }}
+          LORE_AUTH_URL: https://auth.eirexe.moe
+        run: scripts/update-assets.sh "$LORE_BRANCH"
+
      - name: Install Rust toolchain
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
@@ -58,6 +79,27 @@ jobs:
      - name: Check out source
        uses: actions/checkout@v4

+      - name: Install Lore CLI
+        run: |
+          scripts/install-lore.sh "$RUNNER_TEMP/lore-bin"
+          echo "$RUNNER_TEMP/lore-bin" >> "$GITHUB_PATH"
+
+      - name: Select Lore asset branch
+        run: |
+          branch=main
+          if [[ "$GITHUB_EVENT_NAME" == pull_request ]]; then
+            branch="$(python3 -c 'import json, os; e=json.load(open(os.environ["GITHUB_EVENT_PATH"], encoding="utf-8")); p=e["pull_request"]; print(p["head"]["ref"] if p["head"]["repo"]["full_name"] == os.environ["GITHUB_REPOSITORY"] else "main")')"
+          fi
+          echo "LORE_BRANCH=$branch" >> "$GITHUB_ENV"
+          echo "Using Lore branch: $branch"
+
+      - name: Fetch assets from Lore
+        env:
+          LORE_CI_USERNAME: ${{ secrets.LORE_CI_USERNAME }}
+          LORE_CI_PASSWORD: ${{ secrets.LORE_CI_PASSWORD }}
+          LORE_AUTH_URL: https://auth.eirexe.moe
+        run: scripts/update-assets.sh "$LORE_BRANCH"
+
      - name: Install Rust toolchain
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
@@ -87,8 +129,11 @@ jobs:
            libusb-1.0-0-dev \
            libwayland-dev \
            libx11-dev \
+            libxfixes3 \
+            libxi6 \
            libxkbcommon-dev \
            libxkbcommon-x11-0 \
+            blender \
            lld-19 \
            llvm-19 \
            mesa-vulkan-drivers \
@@ -99,9 +144,39 @@ jobs:
          echo "/usr/lib/llvm-19/bin" >> "$GITHUB_PATH"
          rm -f "$HOME/.cache/cargo-xwin/clang-cl"

+      - name: Install pinned Blender
+        run: |
+          scripts/install-blender.sh "$RUNNER_TEMP/blender"
+          echo "BLENDER=$RUNNER_TEMP/blender/blender" >> "$GITHUB_ENV"
+
      - name: Preprocess assets
        run: cargo run --locked --bin process-assets --no-default-features --features debug_features -j 4

+      - name: Verify processed battlefield asset
+        run: |
+          python3 - <<'PY'
+          import json
+          import struct
+
+          path = "imported_assets/Default/stages/battlefield/bf2.blend"
+          with open(path, "rb") as asset:
+              header = asset.read(12)
+              if len(header) != 12:
+                  raise SystemExit(f"processed asset is truncated: {path}")
+              magic, version, length = struct.unpack("<4sII", header)
+              if magic != b"glTF" or version != 2 or length != asset.seek(0, 2):
+                  raise SystemExit(f"processed asset is not a valid GLB: {path}")
+              asset.seek(12)
+              json_length, chunk_type = struct.unpack("<II", asset.read(8))
+              if chunk_type != 0x4E4F534A:
+                  raise SystemExit(f"processed asset has no JSON chunk: {path}")
+              document = json.loads(asset.read(json_length))
+          meshes = document.get("meshes", [])
+          if not meshes:
+              raise SystemExit(f"processed asset contains no meshes: {path}")
+          print(f"{path}: {len(meshes)} meshes, {length} bytes")
+          PY
+
      - name: Build production binary
        run: cargo build --locked --profile production --no-default-features --features debug_features -j 4

@@ -1,6 +1,7 @@
 /target
 /.jackdaw
 imported_assets
+/assets/

 # Local editor configuration
 **/.vscode/
@@ -10,3 +11,7 @@ imported_assets
 *_old.glb
 /replay.json
 *.replay.tmp
+
+# Python debugger formatter tests
+__pycache__/
+*.pyc
@@ -12,7 +12,7 @@ development = ["bevy/dynamic_linking", "bevy/file_watcher"]
 debug_features = ["bevy/free_camera"]

 [dependencies]
-bevy = { version = "0.19", features = ["asset_processor", "basis-universal", "bevy_settings"] }
+bevy = { version = "0.19", features = ["asset_processor", "basis-universal", "compressed_image_saver", "bevy_settings"] }
 # Loads the scenes you author in the editor (assets/*.bsn) and builds
 # physics colliders from them. An ordinary dependency; remove it if you
 # stop using authored scenes.
@@ -2,6 +2,15 @@

 Fancy heavily advanced platform fighting game

+## Debugging fixed-point values with lldb
+
+If using CodeLLDB:
+```json
+"preRunCommands": [
+    "command script import ${workspaceFolder}/tools/lldb_fixed.py"
+]
+```
+
 ## Direct P2P Debugging

 ```text
@@ -16,11 +25,6 @@ cargo run -- --debug-match --players 2 --local-port 7001 \

 ## Production Build

-Production builds use the `production` Cargo profile and do not dynamically
-link Bevy or Rust. Development builds retain Bevy dynamic linking for faster
-iteration. Cargo stores the production profile under `target/production`,
-separate from development artifacts under `target/debug`.
-
 ```sh
 cargo run --locked \
  --bin process-assets --no-default-features --features debug_features
@@ -28,6 +32,19 @@ cargo build --locked \
  --profile production --no-default-features --features debug_features
 ```

-The asset preprocessing command must be run from the repository root. It
-populates `imported_assets/Default`, which is then consumed by the production
-game without running the asset processor at startup.
+## Assets
+
+Game assets are managed in Lore rather than Git. Install the Lore CLI, then
+bootstrap or update the local checkout with:
+
+```sh
+scripts/install-lore.sh
+scripts/update-assets.sh
+```
+
+The default Lore branch is `main`; pass another branch explicitly when testing
+coordinated code and asset changes:
+
+```sh
+scripts/update-assets.sh my-feature-branch
+```
@@ -1,12 +0,0 @@
-frame(4);
-hitbox(0,
-    "hand_l",
-    damage("5.0"),
-    vec3("0.0", "0.0", "0.0"),
-    fg32("5.0"),
-    angle_sakurai(),
-    knockback_normal(),
-    knockback("10.0"),
-    fg32("1.0")
-);
-frame(8);
@@ -1,12 +0,0 @@
-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);
@@ -1,13 +0,0 @@
-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);
@@ -1,219 +0,0 @@
-(
-    id: TestFighter,
-    model_path: "fighters/test/test_fighter.gltf",
-    model_scale: "10.0",
-    baked_animation_path: "fighters/test/test.fighterbake",
-    icon: (
-        path: "fighters/test/icon.png",
-    ),
-    attributes: (
-        base_walk_accel: "0.1",
-        stick_walk_accel: "0.16",
-        max_walk_vel: "1.0",
-        ground_friction: "0.1",
-        dash_acceleration_duration: 13,
-        dash_duration: 24,
-        base_dash_accel: "0.1",
-        stick_dash_accel: "0.05",
-        max_dash_vel: "2.0",
-        short_hop_vertical_velocity: "1.45",
-        full_jump_vertical_velocity: "2.0",
-        jump_horizontal_velocity: "0.6",
-        air_jump_horizontal_velocity: "0.96",
-        air_jump_multiplier: "1.0",
-        dash_initial_velocity: "1.4",
-        terminal_velocity: "3.0",
-        fast_fall_speed: "3.5",
-        gravity: "0.084",
-        weight: "100.0",
-        jumpsquat_duration: 5,
-        landing_iasa: 4,
-        landing_duration: 30,
-
-        max_air_horizontal_velocity: "2.5",
-        air_drift_max: "1.0",
-        air_acceleration_base: "0.03",
-        air_acceleration_stick: "0.01",
-        air_friction: "0.01",
-
-        air_dodge_duration: 49,
-        air_dodge_velocity: "2.790",
-        air_dodge_decay: "0.9",
-        ecb_vertical_midpoint_offset: "0.0"
-    ),
-    camera: (
-        vertical_origin_offset: "8.0",
-        forward_extent: "25.5",
-        backward_extent: "8.5",
-        upward_extent: "15.0",
-        downward_extent: "5.0",
-        visibility_radius: "5.0",
-    ),
-    animations: {
-        Wait: "Idle_Loop_Game",
-        Walk: "Walk_Loop_IK_Game",
-        Run: "Run_Game",
-        Dash: "Dash_Game",
-        JumpSquat: "Jump_Squat_Game",
-        JumpForward: "Jump_Start_IK_Game",
-        JumpBack: "JumpB_Game",
-        LandingSpecial: "SpecialLand_Game",
-        Landing: "Jump_Land_Game",
-        AirDodge: "Idle_Loop_Game",
-        DoubleJumpForward: "Jump_Start_IK_Game",
-        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",
-        AttackDownTilt: "Idle_Loop_Game"
-    },
-    attack_scripts: {
-        NeutralAir: "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",
-    },
-    hurtboxes: [
-        // center one
-        (
-            bone: "spine_01",
-            offset: (x: "0.0", y: "0.0", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.05",
-            radius: "0.15"
-        ),
-        (
-            bone: "spine_03",
-            offset: (x: "0.0", y: "0.0", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.05",
-            radius: "0.15"
-        ),
-        (
-            bone: "Head",
-            offset: (x: "0.0", y: "0.125", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.05",
-            radius: "0.1"
-        ),
-        (
-            bone: "thigh_r",
-            offset: (x: "0.0", y: "0.15", z: "-0.01"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.2",
-            radius: "0.07"
-        ),
-        (
-            bone: "thigh_l",
-            offset: (x: "0.0", y: "0.15", z: "-0.01"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.2",
-            radius: "0.07"
-        ),
-        (
-            bone: "calf_l",
-            offset: (x: "0.0", y: "0.15", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.2",
-            radius: "0.05"
-        ),
-        (
-            bone: "calf_r",
-            offset: (x: "0.0", y: "0.15", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.2",
-            radius: "0.05"
-        ),
-        (
-            bone: "foot_r",
-            offset: (x: "0.0", y: "0.1", z: "0.01"),
-            rotation: FGVec3(x: "-25.0", y: "0.0", z: "0.0"),
-            half_length: "0.1",
-            radius: "0.04"
-        ),
-        (
-            bone: "foot_l",
-            offset: (x: "0.0", y: "0.1", z: "0.01"),
-            rotation: FGVec3(x: "-25.0", y: "0.0", z: "0.0"),
-            half_length: "0.1",
-            radius: "0.04"
-        ),
-        (
-            bone: "upperarm_l",
-            offset: (x: "0.0", y: "0.09", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.125",
-            radius: "0.05"
-        ),
-        (
-            bone: "lowerarm_l",
-            offset: (x: "0.0", y: "0.12", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.115",
-            radius: "0.04"
-        ),
-        (
-            bone: "hand_l",
-            offset: (x: "0.0", y: "0.05", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.01",
-            radius: "0.04"
-        ),
-        (
-            bone: "upperarm_r",
-            offset: (x: "0.0", y: "0.09", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.125",
-            radius: "0.05"
-        ),
-        (
-            bone: "lowerarm_r",
-            offset: (x: "0.0", y: "0.12", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.115",
-            radius: "0.04"
-        ),
-        (
-            bone: "hand_r",
-            offset: (x: "0.0", y: "0.05", z: "-0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "0.0"),
-            half_length: "0.01",
-            radius: "0.04"
-        ),
-        /*(
-            bone: "RFootJA",
-            offset: (x: "0.0", y: "0.5", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "90.0"),
-            half_length: "0.5",
-            radius: "1.0"
-        ),
-        (
-            bone: "JOBJ_47",
-            offset: (x: "0.0", y: "0.0", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "90.0"),
-            half_length: "0.5",
-            radius: "1.0"
-        ),
-        (
-            bone: "LFootJA",
-            offset: (x: "0.0", y: "0.5", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "90.0"),
-            half_length: "0.5",
-            radius: "1.0"
-        ),
-        (
-            bone: "JOBJ_41",
-            offset: (x: "0.0", y: "0.0", z: "0.0"),
-            rotation: FGVec3(x: "0.0", y: "0.0", z: "90.0"),
-            half_length: "0.5",
-            radius: "1.0"
-        ),*/
-    ]
-)
@@ -1,3 +0,0 @@
-(
-    manifest_path: "fighters/test/test.fighter.ron",
-)
@@ -1,128 +0,0 @@
-(
-    cursor: (
-        path: "ui/textures/cursor.png",
-        sampling: Nearest
-    ),
-    css_token: (
-        path: "ui/textures/fighter_select_token.png",
-        sampling: Linear
-    ),
-    player_colors: [
-        Srgba((red: 0.780, green: 0.420, blue: 0.933, alpha: 1.000)),
-        Srgba((red: 0.843, green: 0.227, blue: 0.204, alpha: 1.000)),
-        Srgba((red: 0.333, green: 0.804, blue: 0.078, alpha: 1.000)),
-        Srgba((red: 0.075, green: 0.376, blue: 0.416, alpha: 1.000)),
-        Srgba((red: 0.682, green: 0.878, blue: 0.914, alpha: 1.000))
-    ],
-    button_styles: {
-        MainMenu: (
-            focus_outline_width_px: 4,
-            focus_outline_offset_px: 2,
-            focus_outline_color: Srgba((red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-            normal: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            ),
-            press: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            ),
-            hover: (
-                background_color: Srgba((red: 0.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-                border_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            )
-        ),
-        CharacterSelectCharacter: (
-            focus_outline_width_px: 10,
-            focus_outline_offset_px: 5,
-            focus_outline_color: Srgba((red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-            normal: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-                border_size: 10,
-            ),
-            press: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            ),
-            hover: (
-                background_color: Srgba((red: 0.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            )
-        ),
-        CharacterSelectStartBanner: (
-            focus_outline_width_px: 10,
-            focus_outline_offset_px: 5,
-            focus_outline_color: Srgba((red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-            normal: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            ),
-            press: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            ),
-            hover: (
-                background_color: Srgba((red: 0.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (),
-            )
-        ),
-        StageSelectIcon: (
-            focus_outline_width_px: 4,
-            focus_outline_offset_px: 2,
-            focus_outline_color: Srgba((red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-            normal: (
-                border_color: Srgba((red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 0.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_size: 10,
-                border_radius: 40.0,
-                box_shadow: (
-                    spread_radius: 5.0,
-                    blur_radius: 5.0,
-                    offset_px_y: 10,
-                    offset_px_x: 10,
-                    color: Srgba((red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0))
-                ),
-            ),
-            press: (
-                background_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_radius: 40.0,
-                border_size: 10,
-                box_shadow: (
-                    spread_radius: 5.0,
-                    offset_px_y: 10,
-                    offset_px_x: 10,
-                    color: Srgba((red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0))
-                ),
-            ),
-            hover: (
-                background_color: Srgba((red: 0.0, green: 1.0, blue: 0.0, alpha: 1.0)),
-                border_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                border_radius: 40.0,
-                border_size: 10,
-                text_color: Srgba((red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
-                box_shadow: (
-                    spread_radius: 5.0,
-                    offset_px_y: 10,
-                    offset_px_x: 10,
-                    color: Srgba((red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0))
-                ),
-            )
-        ),
-    }
-)
@@ -1,36 +0,0 @@
-(   
-    input_common: (
-        stick_deadzone: "0.275",
-        trigger_deadzone: "0.3",
-        smash_input_reset_axis_threshold: "0.25",
-        smash_input_axis_threshold: "0.8",
-        run_stick_threshold: "0.625",
-        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",
-        knockback_stacking_window: 2,
-        knockback_decay_per_frame: "0.051",
-        knockback_launch_velocity_multiplier: "0.03",
-        hitstun_frames_per_unit_knockback: "0.4",
-        tumble_bounce_hitstop_threshold: 32,
-        attack_ground_to_airborne_transition_vertical_angle_threshold: "90.0",
-        meteor_angle_threshold: "10.0",
-        visual_shake_frames_per_hitstop_frame: "1.2",
-        visual_shake_table: [
-            -3.0, -1.5, 1.5, 3.0
-        ],
-        attacker_visual_shake_multiplier: 0.4,
-        di_max_angle: "18.0"
-    ),
-    stage_manifest_paths: [
-        "stages/battlefield/test.stage.ron"
-    ],
-    fighter_manifest_paths: [
-        "fighters/test/test.fighter.ron"
-    ]
-)
@@ -1,139 +0,0 @@
-(
-    id: TestStage,
-    model_path: "stages/battlefield/battlefield.glb#Scene0",
-    icon: (
-        path: "stages/battlefield/icon.png"
-    ),
-
-    // Battlefield
-    /*camera: (
-        left: -200.0,
-        right: 200.0,
-        bottom: -59.0,
-        top: 170.0,
-        origin: (0.0, 44.0),
-        vertical_fov_degrees: 30.0,
-        min_depth: 83.0,
-        max_depth: 1000.0,
-        subject_scale: 1.5,
-        fighter_forward_extent_scale: 1.5,
-        tracking_smoothness: 1.8,
-        vertical_pan_degrees: -10.0,
-        horizontal_pan_degrees_per_unit: 0.1,
-        vertical_pan_degrees_per_unit: 0.1,
-        max_horizontal_pan_degrees: 17.5,
-        max_upward_pan_degrees: 5.0,
-        max_downward_pan_degrees: 7.0,
-    ),*/
-    // Yoshi's story
-
-    /*camera: (
-        left: -180.0,
-        right: 179.0,
-        bottom: -71.0,
-        top: 169.0,
-        origin: (0.0, 44.0),
-        vertical_fov_degrees: 20.0,
-        min_depth: 100.0,
-        max_depth: 1000.0,
-        subject_scale: 1.0,
-        fighter_forward_extent_scale: 1.0,
-        tracking_smoothness: 1.0,
-        vertical_pan_degrees: -10.0,
-        horizontal_pan_degrees_per_unit: 0.05,
-        vertical_pan_degrees_per_unit: 0.15,
-        max_horizontal_pan_degrees: 17.5,
-        max_upward_pan_degrees: 5.0,
-        max_downward_pan_degrees: 7.0,
-    ),*/
-
-    camera: (
-        left: -180.0,
-        right: 179.0,
-        bottom: -71.0,
-        top: 169.0,
-        origin: (0.0, 44.0),
-        vertical_fov_degrees: 20.0,
-        min_depth: 100.0,
-        max_depth: 1000.0,
-        subject_scale: 1.5,
-        fighter_forward_extent_scale: 1.0,
-        tracking_smoothness: 1.0,
-        vertical_pan_degrees: -10.0,
-        horizontal_pan_degrees_per_unit: 0.05,
-        vertical_pan_degrees_per_unit: 0.15,
-        max_horizontal_pan_degrees: 17.5,
-        max_upward_pan_degrees: 5.0,
-        max_downward_pan_degrees: 7.0,
-    ),
-    polygons: [
-        (
-            poly_type: Platform,
-            lines: [
-                (
-                    (x: "-20.0", y: "47.0"),
-                    Floor
-                ),
-                (
-                    (x: "20.0", y: "47.0"),
-                    Floor
-                )
-            ]
-        ),
-        (
-            poly_type: Platform,
-            lines: [
-                (
-                    (x: "-65.0", y: "24.0"),
-                    Floor
-                ),
-                (
-                    (x: "-25.0", y: "24.0"),
-                    Floor
-                )
-            ]
-        ),
-        (
-            poly_type: Platform,
-            lines: [
-                (
-                    (x: "25.0", y: "24.0"),
-                    Floor
-                ),
-                (
-                    (x: "65.0", y: "24.0"),
-                    Floor
-                )
-            ]
-        ),
-        (
-            poly_type: Closed,
-            lines: [
-                (
-                    (x: "-68.0", y: "-3.0"),
-                    Wall
-                ),
-                (
-                    (x: "-68.0", y: "0.0"),
-                    Floor,
-                ),
-                (
-                    (x: "0.0", y: "0.0"),
-                    Floor
-                ),
-                (
-                    (x: "68", y: "0.0"),
-                    Wall
-                ),
-                (
-                    (x: "68.0", y: "-3.0"),
-                    Ceiling
-                ),
-                (
-                    (x: "0.0", y: "-15.0"),
-                    Ceiling
-                ),
-            ]
-        )
-    ]
-)
@@ -1,77 +0,0 @@
-<?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>
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+version="5.2.2"
+sha256="84098912789dc450e95697c4184fb8a90acbe5111c2ba4aede3fecb57806a168"
+install_dir="${1:-${BLENDER_INSTALL_DIR:-${HOME}/.local/blender-${version}}}"
+
+if [[ "$(uname -s)" != Linux || "$(uname -m)" != x86_64 ]]; then
+    echo "error: this installer currently supports Linux x86_64 only" >&2
+    exit 1
+fi
+
+if [[ -x "$install_dir/blender" ]]; then
+    "$install_dir/blender" --version | head -n 1
+    exit 0
+fi
+
+mkdir -p "$(dirname "$install_dir")"
+tmp_dir="$(mktemp -d)"
+trap 'rm -rf "$tmp_dir"' EXIT
+
+archive="blender-${version}-linux-x64.tar.xz"
+url="https://download.blender.org/release/Blender5.2/${archive}"
+
+curl --fail --location --silent --show-error --output "$tmp_dir/$archive" "$url"
+printf '%s  %s\n' "$sha256" "$tmp_dir/$archive" | sha256sum --check --status
+tar --extract --xz --file "$tmp_dir/$archive" --directory "$tmp_dir"
+mv "$tmp_dir/blender-${version}-linux-x64" "$install_dir"
+
+"$install_dir/blender" --version | head -n 1
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+version="v0.10.0"
+sha256="0d1633b71e44081c6a3ca57ad5be3df7a9563698827638838939c3c832e87351"
+install_dir="${1:-${LORE_INSTALL_DIR:-${HOME}/.local/bin}}"
+
+if [[ "$(uname -s)" != Linux || "$(uname -m)" != x86_64 ]]; then
+    echo "error: this installer currently supports Linux x86_64 only" >&2
+    exit 1
+fi
+
+mkdir -p "$install_dir"
+tmp_dir="$(mktemp -d)"
+trap 'rm -rf "$tmp_dir"' EXIT
+
+archive="lore-${version}-x86_64-unknown-linux-gnu.tar.gz"
+url="https://github.com/EpicGames/lore/releases/download/${version}/${archive}"
+
+curl --fail --location --silent --show-error --output "$tmp_dir/$archive" "$url"
+printf '%s  %s\n' "$sha256" "$tmp_dir/$archive" | sha256sum --check --status
+tar --extract --gzip --file "$tmp_dir/$archive" --directory "$tmp_dir"
+
+binary="$(find "$tmp_dir" -type f -name lore -print -quit)"
+if [[ -z "$binary" ]]; then
+    echo "error: Lore archive did not contain a lore binary" >&2
+    exit 1
+fi
+
+install -m 0755 "$binary" "$install_dir/lore"
+"$install_dir/lore" --version
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+readonly lore_url="${LORE_REPOSITORY_URL:-lore://lore.eirexe.moe/shinespark}"
+readonly default_branch="${LORE_DEFAULT_BRANCH:-main}"
+readonly assets_dir="${LORE_ASSETS_DIR:-assets}"
+branch="${1:-${LORE_BRANCH:-$default_branch}}"
+
+case "$branch" in
+    ""|*[!A-Za-z0-9._/-]*)
+        echo "error: invalid Lore branch name: $branch" >&2
+        exit 2
+        ;;
+esac
+
+if [[ -n "${LORE_IDENTITY_TOKEN:-}" ]]; then
+    lore_args=(--identity-token "$LORE_IDENTITY_TOKEN")
+elif [[ -n "${LORE_CI_USERNAME:-}" || -n "${LORE_CI_PASSWORD:-}" ]]; then
+    if [[ -z "${LORE_CI_USERNAME:-}" || -z "${LORE_CI_PASSWORD:-}" ]]; then
+        echo "error: LORE_CI_USERNAME and LORE_CI_PASSWORD must be provided together" >&2
+        exit 2
+    fi
+    : "${LORE_AUTH_URL:=https://auth.eirexe.moe}"
+    export LORE_AUTH_URL
+    token="$(python3 - <<'PY'
+import json
+import os
+import sys
+import urllib.error
+import urllib.request
+
+request = urllib.request.Request(
+    os.environ["LORE_AUTH_URL"].rstrip("/") + "/auth/login",
+    data=json.dumps({
+        "username": os.environ["LORE_CI_USERNAME"],
+        "password": os.environ["LORE_CI_PASSWORD"],
+    }).encode(),
+    headers={"Content-Type": "application/json"},
+    method="POST",
+)
+try:
+    with urllib.request.urlopen(request) as response:
+        payload = json.load(response)
+except urllib.error.HTTPError as error:
+    print(f"Lore authentication failed with HTTP {error.code}", file=sys.stderr)
+    sys.exit(1)
+
+token = payload.get("token")
+if not isinstance(token, str) or not token:
+    print("Lore authentication response did not contain a token", file=sys.stderr)
+    sys.exit(1)
+print(token)
+PY
+    )"
+    if [[ -n "${GITHUB_ENV:-}" ]]; then
+        echo "::add-mask::$token"
+    fi
+    lore_args=(--identity-token "$token")
+else
+    lore_args=()
+fi
+
+if [[ -e "$assets_dir" && ! -d "$assets_dir" ]]; then
+    echo "error: $assets_dir exists but is not a directory" >&2
+    exit 1
+fi
+
+if [[ -d "$assets_dir/.lore" ]]; then
+    if ! lore "${lore_args[@]}" --repository "$assets_dir" repository info >/dev/null; then
+        echo "error: $assets_dir is not a usable Lore checkout" >&2
+        exit 1
+    fi
+    if ! lore "${lore_args[@]}" --repository "$assets_dir" branch list --no-pager \
+        | grep -Fqx "  $branch"; then
+        if [[ "$branch" != "$default_branch" ]]; then
+            echo "warning: Lore branch does not exist: $branch; using $default_branch" >&2
+            branch="$default_branch"
+        else
+            echo "error: Lore branch does not exist: $branch" >&2
+            exit 1
+        fi
+    fi
+    lore "${lore_args[@]}" --repository "$assets_dir" sync "$branch@LATEST"
+    exit 0
+fi
+
+if [[ -d "$assets_dir" && -n "$(find "$assets_dir" -mindepth 1 -maxdepth 1 -print -quit)" ]]; then
+    echo "error: refusing to overwrite non-Lore directory: $assets_dir" >&2
+    exit 1
+fi
+
+metadata_dir="$(mktemp -d)"
+trap 'rm -rf "$metadata_dir"' EXIT
+lore "${lore_args[@]}" --non-interactive clone --bare "$lore_url" "$metadata_dir"
+
+if ! lore "${lore_args[@]}" --repository "$metadata_dir" branch list --no-pager \
+    | grep -Fqx "  $branch"; then
+    if [[ "$branch" != "$default_branch" ]]; then
+        echo "warning: Lore branch does not exist: $branch; using $default_branch" >&2
+        branch="$default_branch"
+    else
+        echo "error: Lore branch does not exist: $branch" >&2
+        echo "available branches:" >&2
+        lore "${lore_args[@]}" --repository "$metadata_dir" branch list --no-pager >&2
+        exit 1
+    fi
+fi
+
+rm -rf "$assets_dir"
+lore "${lore_args[@]}" --non-interactive clone --branch "$branch" "$lore_url" "$assets_dir"
+lore "${lore_args[@]}" --repository "$assets_dir" status --revision-only --no-pager
@@ -0,0 +1,394 @@
+//! Blender `.blend` source processing.
+//!
+//! Blender is used as an offline importer. The processed result is a normal
+//! GLB, so the runtime continues to use Bevy's built-in glTF loader.
+
+use bevy::{
+    asset::{
+        AssetLoader, AssetPath, AsyncWriteExt, LoadContext,
+        io::{Reader, Writer},
+        processor::LoadTransformAndSave,
+        saver::{AssetSaver, SavedAsset},
+        transformer::{AssetTransformer, TransformedAsset},
+    },
+    gltf::GltfLoader,
+    prelude::*,
+    reflect::TypePath,
+};
+use serde::Deserialize;
+use std::{
+    collections::HashMap,
+    fs, io,
+    path::{Path, PathBuf},
+    process::Command,
+    time::{SystemTime, UNIX_EPOCH},
+};
+
+use crate::fighter::animation::AnimKind;
+
+const EXPORT_SCRIPT: &str = include_str!("blend_asset/export.py");
+
+#[derive(Asset, TypePath)]
+struct BlendSource {
+    glb: Vec<u8>,
+}
+
+#[derive(Default, TypePath)]
+struct BlendSourceLoader;
+
+#[derive(Debug, Deserialize)]
+struct ExportManifest {
+    dependencies: Vec<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct AnimationManifest {
+    animations: HashMap<AnimKind, String>,
+}
+
+impl AssetLoader for BlendSourceLoader {
+    type Asset = BlendSource;
+    type Settings = ();
+    type Error = io::Error;
+
+    async fn load(
+        &self,
+        reader: &mut dyn Reader,
+        _: &Self::Settings,
+        load_context: &mut LoadContext<'_>,
+    ) -> Result<Self::Asset, Self::Error> {
+        let mut source_bytes = Vec::new();
+        reader.read_to_end(&mut source_bytes).await?;
+
+        let temp = TempDir::new()?;
+        let source_path = locate_source(load_context.path().path());
+        let blend_path = if let Some(path) = source_path.as_deref() {
+            path.to_path_buf()
+        } else {
+            let path = temp.path().join("source.blend");
+            fs::write(&path, source_bytes)?;
+            path
+        };
+        let output = temp.path().join("export.gltf");
+        let script = temp.path().join("export.py");
+        let actions = referenced_actions(load_context, &asset_root()).await?;
+        let actions_path = temp.path().join("actions.json");
+        fs::write(
+            &actions_path,
+            serde_json::to_vec(&actions).map_err(io::Error::other)?,
+        )?;
+        fs::write(&script, EXPORT_SCRIPT)?;
+
+        let result = Command::new(std::env::var_os("BLENDER").unwrap_or_else(|| "blender".into()))
+            .arg("--background")
+            .arg(&blend_path)
+            .arg("--python")
+            .arg(&script)
+            .arg("--")
+            .arg(&output)
+            .arg(&actions_path)
+            .arg(&blend_path)
+            .output()
+            .map_err(|error| io::Error::other(format!("failed to start Blender: {error}")))?;
+        if !result.status.success() {
+            return Err(io::Error::other(format!(
+                "Blender export failed with {}:\n{}\n{}",
+                result.status,
+                String::from_utf8_lossy(&result.stdout),
+                String::from_utf8_lossy(&result.stderr)
+            )));
+        }
+
+        let manifest: ExportManifest =
+            serde_json::from_slice(&fs::read(temp.path().join("export-manifest.json"))?)
+                .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+
+        let asset_root = asset_root();
+        let mut dependencies = manifest.dependencies;
+        let document: serde_json::Value = serde_json::from_slice(&fs::read(&output)?)
+            .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+        validate_export(&document, &output)?;
+        if let Some(images) = document.get("images").and_then(serde_json::Value::as_array) {
+            for image in images {
+                if let Some(uri) = image.get("uri").and_then(serde_json::Value::as_str) {
+                    let path = temp.path().join(uri);
+                    dependencies.push(path.to_string_lossy().into_owned());
+                }
+            }
+        }
+
+        let mut seen = std::collections::HashSet::new();
+        for dependency in dependencies {
+            let physical = PathBuf::from(&dependency);
+            let Some(asset_path) = physical_to_asset_path(&physical, &asset_root) else {
+                continue;
+            };
+            if seen.insert(asset_path.clone()) {
+                // This read is intentionally discarded: it registers the file and
+                // its processed hash as a processor dependency.
+                load_context
+                    .read_asset_bytes(asset_path)
+                    .await
+                    .map_err(|error| {
+                        io::Error::other(format!("failed to read blend dependency: {error}"))
+                    })?;
+            }
+        }
+
+        let glb = make_glb(&output, &temp, load_context.path().path(), &asset_root)?;
+        Ok(BlendSource { glb })
+    }
+
+    fn extensions(&self) -> &[&str] {
+        &["blend"]
+    }
+}
+
+fn validate_export(document: &serde_json::Value, output: &Path) -> io::Result<()> {
+    for key in ["scenes", "nodes", "meshes"] {
+        let count = document
+            .get(key)
+            .and_then(serde_json::Value::as_array)
+            .map_or(0, Vec::len);
+        if count == 0 {
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                format!("Blender export {} contains no {key}", output.display()),
+            ));
+        }
+    }
+    Ok(())
+}
+
+async fn referenced_actions(
+    load_context: &mut LoadContext<'_>,
+    root: &Path,
+) -> io::Result<Vec<String>> {
+    let model_path = load_context.path().path();
+    let Some(stem) = model_path.file_stem().and_then(|stem| stem.to_str()) else {
+        return Ok(Vec::new());
+    };
+    let manifest_path = model_path
+        .parent()
+        .unwrap_or_else(|| Path::new(""))
+        .join(format!("{stem}.fighter.ron"));
+    if !root.join(&manifest_path).is_file() {
+        return Ok(Vec::new());
+    }
+    let bytes = load_context
+        .read_asset_bytes(manifest_path)
+        .await
+        .map_err(|error| io::Error::other(error.to_string()))?;
+    let manifest: AnimationManifest = ron::de::from_bytes(&bytes)
+        .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+    Ok(manifest.animations.into_values().collect())
+}
+
+#[derive(Asset, TypePath)]
+struct ProcessedBlend {
+    bytes: Vec<u8>,
+}
+
+#[derive(Default, TypePath)]
+struct BlendTransformer;
+
+impl AssetTransformer for BlendTransformer {
+    type AssetInput = BlendSource;
+    type AssetOutput = ProcessedBlend;
+    type Settings = ();
+    type Error = io::Error;
+
+    async fn transform<'a>(
+        &'a self,
+        source: TransformedAsset<Self::AssetInput>,
+        _: &'a Self::Settings,
+    ) -> Result<TransformedAsset<Self::AssetOutput>, Self::Error> {
+        let bytes = source.glb.clone();
+        Ok(source.replace_asset(ProcessedBlend { bytes }))
+    }
+}
+
+#[derive(Default, TypePath)]
+struct BlendSaver;
+
+impl AssetSaver for BlendSaver {
+    type Asset = ProcessedBlend;
+    type Settings = ();
+    type OutputLoader = GltfLoader;
+    type Error = io::Error;
+
+    async fn save(
+        &self,
+        writer: &mut Writer,
+        asset: SavedAsset<'_, '_, Self::Asset>,
+        _: &Self::Settings,
+        _: AssetPath<'_>,
+    ) -> Result<<Self::OutputLoader as AssetLoader>::Settings, Self::Error> {
+        writer.write_all(&asset.bytes).await?;
+        Ok(default())
+    }
+}
+
+type BlendProcessor = LoadTransformAndSave<BlendSourceLoader, BlendTransformer, BlendSaver>;
+
+pub struct BlendAssetProcessingPlugin;
+
+impl Plugin for BlendAssetProcessingPlugin {
+    fn build(&self, app: &mut App) {
+        app.init_asset::<BlendSource>()
+            .init_asset::<ProcessedBlend>()
+            .register_asset_loader(BlendSourceLoader)
+            .register_asset_processor(BlendProcessor::new(BlendTransformer, BlendSaver))
+            .set_default_asset_processor::<BlendProcessor>("blend");
+    }
+}
+
+struct TempDir(PathBuf);
+
+impl TempDir {
+    fn new() -> io::Result<Self> {
+        let stamp = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap_or_default()
+            .as_nanos();
+        let path =
+            std::env::temp_dir().join(format!("shinespark-blend-{}-{stamp}", std::process::id()));
+        fs::create_dir_all(&path)?;
+        Ok(Self(path))
+    }
+    fn path(&self) -> &Path {
+        &self.0
+    }
+}
+
+impl Drop for TempDir {
+    fn drop(&mut self) {
+        let _ = fs::remove_dir_all(&self.0);
+    }
+}
+
+fn asset_root() -> PathBuf {
+    std::env::var_os("BEVY_ASSET_ROOT")
+        .map(PathBuf::from)
+        .unwrap_or_else(|| std::env::current_dir().unwrap_or_default().join("assets"))
+}
+
+fn locate_source(path: &Path) -> Option<PathBuf> {
+    let root = asset_root();
+    [root.join(path), PathBuf::from(path)]
+        .into_iter()
+        .find(|candidate| candidate.is_file())
+}
+
+fn physical_to_asset_path(path: &Path, root: &Path) -> Option<String> {
+    let canonical = fs::canonicalize(path).ok()?;
+    let root = fs::canonicalize(root).ok()?;
+    let relative = canonical.strip_prefix(root).ok()?;
+    Some(relative.to_string_lossy().replace('\\', "/"))
+}
+
+fn make_glb(
+    gltf_path: &Path,
+    temp: &TempDir,
+    model_asset_path: &Path,
+    asset_root: &Path,
+) -> io::Result<Vec<u8>> {
+    let mut json: serde_json::Value = serde_json::from_slice(&fs::read(gltf_path)?)
+        .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+    let bin_name = json["buffers"][0]["uri"].as_str().ok_or_else(|| {
+        io::Error::new(io::ErrorKind::InvalidData, "glTF has no binary buffer URI")
+    })?;
+    let mut bin = fs::read(temp.path().join(bin_name))?;
+    let model_parent = model_asset_path.parent().unwrap_or_else(|| Path::new(""));
+    let image_count = json["images"].as_array().map_or(0, Vec::len);
+    if image_count > 0 && !json["bufferViews"].is_array() {
+        return Err(io::Error::new(
+            io::ErrorKind::InvalidData,
+            "glTF bufferViews are not an array",
+        ));
+    }
+    for index in 0..image_count {
+        let uri = json["images"][index]
+            .get("uri")
+            .and_then(serde_json::Value::as_str)
+            .map(str::to_owned);
+        let Some(uri) = uri else { continue };
+        if uri.starts_with("data:") {
+            continue;
+        }
+        let uri_path = temp.path().join(uri);
+        if let Some(asset_path) = physical_to_asset_path(&uri_path, asset_root) {
+            json["images"][index]["uri"] =
+                serde_json::Value::String(relative_uri(model_parent, Path::new(&asset_path)));
+        } else {
+            let bytes = fs::read(&uri_path)?;
+            while bin.len() % 4 != 0 {
+                bin.push(0);
+            }
+            let offset = bin.len();
+            bin.extend_from_slice(&bytes);
+            let mime = mime_type(&uri_path);
+            let view = json["bufferViews"].as_array().unwrap().len();
+            json["bufferViews"]
+                .as_array_mut()
+                .unwrap()
+                .push(serde_json::json!({
+                    "buffer": 0,
+                    "byteOffset": offset,
+                    "byteLength": bytes.len(),
+                }));
+            json["images"][index].as_object_mut().unwrap().remove("uri");
+            json["images"][index]["bufferView"] = serde_json::Value::from(view);
+            json["images"][index]["mimeType"] = serde_json::Value::String(mime.to_owned());
+        }
+    }
+    json["buffers"][0]["byteLength"] = serde_json::Value::from(bin.len());
+    json["buffers"][0].as_object_mut().unwrap().remove("uri");
+    let mut json_bytes = serde_json::to_vec(&json).map_err(io::Error::other)?;
+    while json_bytes.len() % 4 != 0 {
+        json_bytes.push(b' ');
+    }
+    while bin.len() % 4 != 0 {
+        bin.push(0);
+    }
+    let length = 12 + 8 + json_bytes.len() + 8 + bin.len();
+    let mut glb = Vec::with_capacity(length);
+    glb.extend_from_slice(b"glTF");
+    glb.extend_from_slice(&2u32.to_le_bytes());
+    glb.extend_from_slice(&(length as u32).to_le_bytes());
+    glb.extend_from_slice(&(json_bytes.len() as u32).to_le_bytes());
+    glb.extend_from_slice(b"JSON");
+    glb.extend_from_slice(&json_bytes);
+    glb.extend_from_slice(&(bin.len() as u32).to_le_bytes());
+    glb.extend_from_slice(b"BIN\0");
+    glb.extend_from_slice(&bin);
+    Ok(glb)
+}
+
+fn relative_uri(from: &Path, to: &Path) -> String {
+    let from: Vec<_> = from.components().collect();
+    let to: Vec<_> = to.components().collect();
+    let common = from.iter().zip(&to).take_while(|(a, b)| a == b).count();
+    let mut result = PathBuf::new();
+    for _ in common..from.len() {
+        result.push("..");
+    }
+    for component in &to[common..] {
+        result.push(component.as_os_str());
+    }
+    result.to_string_lossy().replace('\\', "/")
+}
+
+fn mime_type(path: &Path) -> &'static str {
+    match path
+        .extension()
+        .and_then(|e| e.to_str())
+        .unwrap_or_default()
+        .to_ascii_lowercase()
+        .as_str()
+    {
+        "jpg" | "jpeg" => "image/jpeg",
+        "webp" => "image/webp",
+        _ => "image/png",
+    }
+}
@@ -0,0 +1,80 @@
+import bpy
+import json
+import os
+import sys
+
+
+def main():
+    output = sys.argv[sys.argv.index("--") + 1]
+    actions_path = sys.argv[sys.argv.index("--") + 2]
+    source_path = sys.argv[sys.argv.index("--") + 3]
+    loaded_path = os.path.realpath(bpy.data.filepath)
+    expected_path = os.path.realpath(source_path)
+    if loaded_path != expected_path:
+        raise RuntimeError(
+            f"Blender loaded {loaded_path!r} instead of {expected_path!r}"
+        )
+    if not bpy.data.objects or not bpy.data.meshes:
+        raise RuntimeError("Blender loaded an empty scene")
+    with open(actions_path) as file:
+        actions_to_keep = set(json.load(file))
+
+    for obj in bpy.data.objects:
+        if not obj.animation_data:
+            continue
+        for track in list(obj.animation_data.nla_tracks):
+            if track.name.startswith("[Action Stash]"):
+                obj.animation_data.nla_tracks.remove(track)
+
+    nla_tracks = [
+        track
+        for obj in bpy.data.objects
+        if obj.animation_data
+        for track in obj.animation_data.nla_tracks
+    ]
+    use_nla_tracks = bool(nla_tracks)
+
+    # For blends without NLA tracks, use the actions referenced by the fighter
+    # manifest instead of sampling every source action.
+    if not use_nla_tracks and actions_to_keep:
+        from io_scene_gltf2 import GLTF2_filter_action
+
+        if not hasattr(bpy.types.Scene, "gltf_action_filter"):
+            bpy.types.Scene.gltf_action_filter = bpy.props.CollectionProperty(
+                type=GLTF2_filter_action
+            )
+        scene = bpy.context.scene
+        scene.gltf_action_filter.clear()
+        for action in bpy.data.actions:
+            item = scene.gltf_action_filter.add()
+            item.action = action
+            item.keep = action.name in actions_to_keep
+
+    bpy.ops.export_scene.gltf(
+        filepath=output,
+        export_format="GLTF_SEPARATE",
+        export_keep_originals=True,
+        export_extras=True,
+        export_animations=True,
+        export_skins=True,
+        export_morph=True,
+        export_yup=True,
+        export_def_bones=True,
+        export_action_filter=False,
+        export_animation_mode="NLA_TRACKS" if use_nla_tracks else "ACTIONS",
+    )
+
+    dependencies = []
+    for image in bpy.data.images:
+        if image.source not in {"FILE", "TILED"}:
+            continue
+        path = image.filepath_raw or image.filepath
+        if path and not image.packed_file:
+            dependencies.append(bpy.path.abspath(path))
+
+    with open(os.path.join(os.path.dirname(output), "export-manifest.json"), "w") as file:
+        json.dump({"dependencies": sorted(set(dependencies))}, file)
+
+
+if __name__ == "__main__":
+    main()
@@ -2,8 +2,8 @@ use super::{
    BAKED_ANIMATION_FPS,
    runtime::{BakedAnimationClip, BakedFighterAnimations},
 };
-use crate::math::fixed_transform::FixedMat4;
 use crate::fighter::{animation::AnimKind, manifest::FighterManifest};
+use crate::math::fixed_transform::FixedMat4;
 use bevy::{
    asset::{
        AssetLoader, AssetPath, AsyncWriteExt, LoadContext,
@@ -51,6 +51,9 @@ impl AssetLoader for FighterBakeSourceLoader {
            .map_err(|error| io::Error::other(error.to_string()))?;
        let manifest: FighterManifest = ron::de::from_bytes(&manifest_bytes)
            .map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
+        // `read_asset_bytes` uses the processor's processed asset source. This
+        // deliberately allows `model_path` to point at a `.blend`: the blend
+        // processor has already converted it to a hybrid GLB by this point.
        let model_bytes = load_context
            .read_asset_bytes(&manifest.model_path)
            .await
@@ -4,8 +4,8 @@ mod asset_baking;
 mod runtime;
 mod visual_binding;

-pub use asset_baking::{BakedAnimationAssetProcessingPlugin, BakedAnimationPlugin};
 pub use crate::math::fixed_transform::FixedMat4;
+pub use asset_baking::{BakedAnimationAssetProcessingPlugin, BakedAnimationPlugin};
 pub use runtime::{
    BakedAnimationClip, BakedFighterAnimations, FighterBoneIndexMap, FighterBoneMatrices,
    update_fighter_bone_matrices,
@@ -21,6 +21,7 @@ mod tests {
    use asset_baking::{
        Channel, ChannelValues, bake_gltf_document, baked_frame_count, sample_vec3,
    };
+    use serde_json::json;
    use std::collections::HashMap;

    #[test]
@@ -29,11 +30,7 @@ mod tests {
            "../../../assets/fighters/test/test.fighter.ron"
        ))
        .unwrap();
-        let (document, buffers, _) = gltf::import(concat!(
-            env!("CARGO_MANIFEST_DIR"),
-            "/assets/fighters/test/test_fighter.gltf"
-        ))
-        .unwrap();
+        let (document, buffers) = test_gltf(&manifest.animations);
        let baked = bake_gltf_document(document, buffers, &manifest.animations).unwrap();

        assert_eq!(baked.frame_rate, BAKED_ANIMATION_FPS);
@@ -51,6 +48,104 @@ mod tests {
        assert_eq!(baked.parents.len(), baked.bone_names.len());
    }

+    /// Builds the smallest glTF document that still exercises the complete
+    /// animation-baking path. Keeping this fixture in memory avoids making
+    /// unit tests depend on the production Blender asset or Blender itself.
+    fn test_gltf(
+        animations: &HashMap<AnimKind, String>,
+    ) -> (gltf::Document, Vec<gltf::buffer::Data>) {
+        let mut names: Vec<_> = animations.values().cloned().collect();
+        names.sort();
+        names.dedup();
+
+        let mut data = Vec::new();
+        let mut buffer_views = Vec::new();
+        let mut accessors = Vec::new();
+        let mut gltf_animations = Vec::new();
+
+        for name in names {
+            let duration: f32 = match name.as_str() {
+                "Idle_Loop_Game" => 2.0,
+                "Walk_Loop_IK_Game" | "Run_Game" => 0.533333361,
+                "Dash_Game" => 0.333333343,
+                "Jump_Land_Game" => 0.133333340,
+                "JumpB_Game" => 56.0 / 60.0,
+                _ => 0.0,
+            };
+            let input_offset = data.len();
+            data.extend_from_slice(&0.0_f32.to_le_bytes());
+            data.extend_from_slice(&duration.to_le_bytes());
+            let output_offset = data.len();
+            data.extend_from_slice(
+                &[0.0_f32, 0.0, 0.0]
+                    .into_iter()
+                    .flat_map(f32::to_le_bytes)
+                    .collect::<Vec<_>>(),
+            );
+            data.extend_from_slice(
+                &[1.0_f32, 0.0, 0.0]
+                    .into_iter()
+                    .flat_map(f32::to_le_bytes)
+                    .collect::<Vec<_>>(),
+            );
+
+            let input_view = buffer_views.len();
+            buffer_views.push(json!({
+                "buffer": 0,
+                "byteOffset": input_offset,
+                "byteLength": 8
+            }));
+            let output_view = buffer_views.len();
+            buffer_views.push(json!({
+                "buffer": 0,
+                "byteOffset": output_offset,
+                "byteLength": 24
+            }));
+            let input_accessor = accessors.len();
+            accessors.push(json!({
+                "bufferView": input_view,
+                "componentType": 5126,
+                "count": 2,
+                "type": "SCALAR",
+                "min": [0.0],
+                "max": [duration]
+            }));
+            let output_accessor = accessors.len();
+            accessors.push(json!({
+                "bufferView": output_view,
+                "componentType": 5126,
+                "count": 2,
+                "type": "VEC3"
+            }));
+            gltf_animations.push(json!({
+                "name": name,
+                "samplers": [{
+                    "input": input_accessor,
+                    "output": output_accessor,
+                    "interpolation": "LINEAR"
+                }],
+                "channels": [{
+                    "sampler": 0,
+                    "target": { "node": 0, "path": "translation" }
+                }]
+            }));
+        }
+
+        let document = json!({
+            "asset": { "version": "2.0" },
+            "scene": 0,
+            "scenes": [{ "nodes": [0] }],
+            "nodes": [{ "name": "root", "children": [1] }, { "name": "hand" }],
+            "buffers": [{ "byteLength": data.len() }],
+            "bufferViews": buffer_views,
+            "accessors": accessors,
+            "animations": gltf_animations
+        });
+        let bytes = serde_json::to_vec(&document).unwrap();
+        let gltf = gltf::Gltf::from_slice(&bytes).unwrap();
+        (gltf.document, vec![gltf::buffer::Data(data)])
+    }
+
    #[test]
    fn pose_sampling_wraps_repeating_frames_and_clamps_finished_frames() {
        let first = FixedMat4::IDENTITY;
@@ -164,6 +259,20 @@ mod tests {
        );
    }

+    #[test]
+    fn repeated_pose_updates_reuse_scratch_and_output_buffers() {
+        let mut matrices = FighterBoneMatrices::default();
+        let names = ["root".into(), "hand".into()];
+        let parents = [None, Some(0)];
+        let pose = [FixedMat4::IDENTITY, FixedMat4::IDENTITY];
+
+        matrices.set_pose(&names, &parents, &pose, FGi32::ONE);
+        let capacities = matrices.buffer_capacities();
+        matrices.set_pose(&names, &parents, &pose, FGi32::ONE);
+
+        assert_eq!(capacities, matrices.buffer_capacities());
+    }
+
    #[test]
    fn model_scale_affects_gameplay_bones_without_changing_visual_locals() {
        let mut root = FixedMat4::IDENTITY;
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use bevy::prelude::*;
 use serde::{Deserialize, Serialize};

-use super::{BAKED_ANIMATION_FPS};
+use super::BAKED_ANIMATION_FPS;

 use crate::{
    fighter::{
@@ -12,8 +12,8 @@ use crate::{
        manifest::FighterManifest,
        visual::FighterAnimations,
    },
+    math::fixed_transform::FixedMat4,
    math::int::FGi32,
-    math::fixed_transform::FixedMat4
 };

 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -70,12 +70,24 @@ pub struct FighterBoneMatrices {
    previous_frame_matrices: Vec<FixedMat4>,
    local_matrices: Vec<FixedMat4>,
    previous_local_matrices: Vec<FixedMat4>,
+    model_matrices: Vec<Option<FixedMat4>>,
 }

 #[derive(Component, Clone, Debug, Default)]
 pub struct FighterBoneIndexMap(pub HashMap<String, usize>);

 impl FighterBoneMatrices {
+    #[cfg(test)]
+    pub(super) fn buffer_capacities(&self) -> [usize; 5] {
+        [
+            self.matrices.capacity(),
+            self.local_matrices.capacity(),
+            self.previous_frame_matrices.capacity(),
+            self.previous_local_matrices.capacity(),
+            self.model_matrices.capacity(),
+        ]
+    }
+
    pub fn get(&self, bone: &str) -> Option<(FixedMat4, FixedMat4)> {
        let index = self.bone_names.iter().position(|name| name == bone)?;
        Some((
@@ -142,13 +154,19 @@ impl FighterBoneMatrices {
            assert_eq!(self.bone_names, bone_names, "baked bone names changed");
            assert_eq!(self.parents, parents, "baked bone parents changed");
        }
+        self.matrices.reserve(local.len());
+        self.previous_frame_matrices.reserve(local.len());
+        self.local_matrices.reserve(local.len());
+        self.previous_local_matrices.reserve(local.len());
+        self.model_matrices.reserve(local.len());
        std::mem::swap(&mut self.matrices, &mut self.previous_frame_matrices);
        std::mem::swap(&mut self.local_matrices, &mut self.previous_local_matrices);
        self.local_matrices.clear();
        self.local_matrices.extend_from_slice(local);
-        let mut model = vec![None; local.len()];
+        self.model_matrices.resize(local.len(), None);
+        self.model_matrices.fill(None);
        for index in 0..local.len() {
-            resolve_model_transform(index, parents, local, &mut model)
+            resolve_model_transform(index, parents, local, &mut self.model_matrices)
                .expect("baked bone hierarchy should be valid");
        }
        let model_scale = FixedMat4 {
@@ -159,10 +177,12 @@ impl FighterBoneMatrices {
                [FGi32::ZERO, FGi32::ZERO, FGi32::ZERO, FGi32::ONE],
            ],
        };
-        self.matrices = model
-            .into_iter()
-            .map(|matrix| model_scale.mul(matrix.expect("baked bone hierarchy should be valid")))
-            .collect();
+        self.matrices.clear();
+        self.matrices.extend(
+            self.model_matrices.iter().map(|matrix| {
+                model_scale.mul(matrix.expect("baked bone hierarchy should be valid"))
+            }),
+        );
    }
 }

@@ -50,11 +50,13 @@ pub fn air_collide_with_stage(
        translation.0 + ecb.get_bottom_point(),
    );

-    let mut intersect_results = vec![];
-
-    for (poly_idx, poly) in stage_collision.stage_polys.iter().enumerate() {
-        if let Some(intersect_result) = poly.intersect_ray(ray_segment) {
-            intersect_results.push((
+    stage_collision
+        .stage_polys
+        .iter()
+        .enumerate()
+        .filter_map(|(poly_idx, poly)| {
+            poly.intersect_ray(ray_segment).map(|intersect_result| {
+                (
                    AirCollisionWithStageResult {
                        line_id: {
                            StageLineID {
@@ -68,13 +70,9 @@ pub fn air_collide_with_stage(
                    intersect_result
                        .position
                        .distance_squared(ray_segment.point2()),
-            ));
-        }
-    }
-    intersect_results.sort_by(|(_, a), (_, b)| a.cmp(b));
-
-    intersect_results
-        .iter()
-        .last()
-        .map(|(val, _)| val.to_owned().clone())
+                )
+            })
+        })
+        .max_by(|(_, a), (_, b)| a.cmp(b))
+        .map(|(result, _)| result)
 }
@@ -38,6 +38,7 @@ use crate::{
 };

 mod args;
+pub mod blend_asset;
 pub mod camera;
 pub mod debug_tools;
 pub mod fighter;
@@ -89,6 +90,7 @@ pub struct GameAssetPlugin;
 impl Plugin for GameAssetPlugin {
    fn build(&self, app: &mut App) {
        app.add_plugins((
+            blend_asset::BlendAssetProcessingPlugin,
            RonAssetPlugin::<FighterManifest>::create("fighter.ron"),
            RonAssetPlugin::<StageManifest>::create("stage.ron"),
            RonAssetPlugin::<GameSettings>::create("ron"),
@@ -1,6 +1,7 @@
 use bevy::asset::AssetMode::Processed;
 #[cfg(feature = "debug_features")]
 use bevy::camera_controller::free_camera::FreeCameraPlugin;
+use bevy::gltf::GltfPlugin;
 use bevy::image::{ImageAddressMode, ImagePlugin, ImageSamplerDescriptor};
 use bevy::prelude::*;
 #[cfg(feature = "debug_features")]
@@ -12,14 +13,18 @@ fn main() -> AppExit {
    // A `Repeat` sampler so the tileable materials authored in the
    // editor render the same way at runtime; Bevy's default
    // `ClampToEdge` smears texture edges on brush geometry.
+    let default_sampler = ImageSamplerDescriptor::linear()
+        .set_address_mode(ImageAddressMode::Repeat)
+        .set_anisotropic_filter(16)
+        .clone();
+
    let default_plugins = DefaultPlugins
        .set(ImagePlugin {
-            default_sampler: ImageSamplerDescriptor {
-                address_mode_u: ImageAddressMode::Repeat,
-                address_mode_v: ImageAddressMode::Repeat,
-                address_mode_w: ImageAddressMode::Repeat,
-                ..ImageSamplerDescriptor::linear()
-            },
+            default_sampler: default_sampler.clone(),
+        })
+        .set(GltfPlugin {
+            default_sampler,
+            ..default()
        })
        .set(AssetPlugin {
            mode: Processed,
@@ -241,7 +241,7 @@ pub fn copy_cursor_transform_to_token(
    character_boxes: Query<(&CharacterBox, &ComputedNode, &UiGlobalTransform)>,
    match_config: Res<MenuMatchConfig>,
    cursors: Query<&UiGlobalTransform, With<FGMenuCursor>>,
-    cam: Single<&Camera, With<IsDefaultUiCamera>>,
+    cam: Single<&Camera>,
    ui_scale: Res<UiScale>,
 ) -> Result {
    let camera = cam.into_inner();
@@ -181,7 +181,7 @@ pub fn cursor_input(
 }

 pub fn update_cursor_transform(
-    camera: Single<&Camera, With<IsDefaultUiCamera>>,
+    camera: Single<&Camera>,
    query: Query<(&mut Node, &PointerLocation), With<FGMenuCursor>>,
    ui_scale: Res<UiScale>,
 ) {
@@ -25,6 +25,8 @@ pub mod style;

 #[derive(Component, Clone, Default)]
 pub struct MenuMarker {}
+#[derive(Component, Clone, Default)]
+pub struct MenuCameraMarker {}

 pub struct MenuPlugin;

@@ -38,6 +40,7 @@ pub fn wrap_menu(menu: impl Scene) -> impl Scene {
    bsn! {
        #MenuRoot
        MenuMarker
+        Transform
        Node {
            width: percent(100),
            height: percent(100),
@@ -46,6 +49,11 @@ pub fn wrap_menu(menu: impl Scene) -> impl Scene {
            flex_direction: FlexDirection::Column,
        }
        Children [
+            (
+                #MenuCamera
+                Camera
+                Camera2d
+            ),
            (
                #MenuContainer
                Node {
@@ -65,15 +73,18 @@ pub fn wrap_menu(menu: impl Scene) -> impl Scene {

 pub fn despawn_menu(
    existing_menu: Option<Single<Entity, With<MenuMarker>>>,
+    existing_menu_camera: Option<Single<Entity, With<MenuCameraMarker>>>,
    mut commands: Commands,
 ) {
    if let Some(entity) = existing_menu {
        commands
            .entity(entity.into_inner())
-            .remove::<Camera2d>()
-            .remove::<Camera>()
            .despawn();
    }
+
+    if let Some(menu_cam) = existing_menu_camera {
+        commands.entity(*menu_cam).despawn();
+    }
 }

 pub fn spawn_menu(
@@ -84,8 +95,6 @@ pub fn spawn_menu(
    if let Some(entity) = existing_menu {
        commands
            .entity(entity.into_inner())
-            .remove::<Camera2d>()
-            .remove::<Camera>()
            .despawn();
    }
    commands.queue_spawn_scene(wrap_menu(menu));
@@ -113,16 +122,7 @@ impl Plugin for MenuPlugin {
    fn build(&self, app: &mut App) {
        app.add_systems(
            OnEnter(AppState::MainMenu),
-            (build_menu::<MainMenu>, |mut commands: Commands| {
-                commands.spawn((Camera2d, IsDefaultUiCamera));
-                commands.spawn((
-                    Camera2d,
-                    Camera {
-                        order: 1,
-                        ..default()
-                    },
-                ));
-            }),
+            build_menu::<MainMenu>,
        )
        .add_message::<character_select::PlayerSlotAssigned>()
        .init_resource::<navigation::UINavigationActionState>()
@@ -152,6 +152,20 @@ fn validate(replay: &Replay) -> Result<(), String> {
    {
        return Err("replay frames must be strictly ordered".into());
    }
+    if replay
+        .frames
+        .windows(2)
+        .any(|frames| frames[0].frame.checked_add(1) != Some(frames[1].frame))
+    {
+        return Err("replay frames must be contiguous".into());
+    }
+    if replay
+        .checksums
+        .windows(2)
+        .any(|checksums| checksums[0].frame >= checksums[1].frame)
+    {
+        return Err("replay checksums must be strictly ordered".into());
+    }
    if replay
        .frames
        .iter()
@@ -173,6 +187,21 @@ impl Replay {
        handles.sort_unstable();
        handles != (0..handles.len()).collect::<Vec<_>>()
    }
+
+    fn frame(&self, frame: i32) -> Option<&ReplayFrame> {
+        let first_frame = self.frames.first()?.frame;
+        let index = frame.checked_sub(first_frame)? as usize;
+        self.frames
+            .get(index)
+            .filter(|recorded| recorded.frame == frame)
+    }
+
+    fn checksum(&self, frame: i32) -> Option<u128> {
+        self.checksums
+            .binary_search_by_key(&frame, |checksum| checksum.frame)
+            .ok()
+            .map(|index| self.checksums[index].checksum)
+    }
 }

 fn start_replay(mut commands: Commands, args: Res<Args>, loaded: Option<Res<LoadedReplay>>) {
@@ -210,11 +239,7 @@ fn replay_inputs(
                .insert(frame.0, inputs.iter().map(|(input, _)| *input).collect());
        }
        ReplayMode::Playback { replay, mismatch } if !*mismatch => {
-            let Some(recorded) = replay
-                .frames
-                .iter()
-                .find(|recorded| recorded.frame == frame.0)
-            else {
+            let Some(recorded) = replay.frame(frame.0) else {
                error!("Replay has no input for frame {}", frame.0);
                *mismatch = true;
                return;
@@ -235,14 +260,10 @@ fn record_checksum(
    let Some(mut runtime) = runtime else { return };
    if matches!(&runtime.mode, ReplayMode::Record { .. }) {
        runtime.checksums.insert(frame.0, checksum.0);
-    } else if let ReplayMode::Playback { replay, mismatch } = &mut runtime.mode {
-        if let Some(expected) = replay
-            .checksums
-            .iter()
-            .find(|value| value.frame == frame.0)
-            .map(|value| value.checksum)
+    } else if let ReplayMode::Playback { replay, mismatch } = &mut runtime.mode
+        && let Some(expected) = replay.checksum(frame.0)
+        && expected != checksum.0
    {
-            if expected != checksum.0 {
        error!(
            "Replay desync at frame {}: expected {:X}, got {:X}",
            frame.0, expected, checksum.0
@@ -250,8 +271,6 @@ fn record_checksum(
        *mismatch = true;
    }
 }
-    }
-}

 fn stop_recording(
    mut commands: Commands,
@@ -407,4 +426,41 @@ mod tests {
            "unsupported replay version 1"
        );
    }
+
+    #[test]
+    fn playback_lookups_use_frame_offsets_and_support_sparse_checksums() {
+        let mut replay = sample();
+        replay.frames[0].frame = 10;
+        replay.frames.push(ReplayFrame {
+            frame: 11,
+            inputs: replay.frames[0].inputs.clone(),
+        });
+        replay.checksums.push(ReplayChecksum {
+            frame: 11,
+            checksum: 84,
+        });
+        replay.checksums[0].frame = 10;
+        validate(&replay).unwrap();
+
+        assert_eq!(replay.frame(10).unwrap().frame, 10);
+        assert_eq!(replay.frame(11).unwrap().frame, 11);
+        assert!(replay.frame(9).is_none());
+        assert_eq!(replay.checksum(10), Some(42));
+        assert_eq!(replay.checksum(11), Some(84));
+        assert_eq!(replay.checksum(12), None);
+    }
+
+    #[test]
+    fn noncontiguous_input_frames_are_rejected() {
+        let mut replay = sample();
+        replay.frames.push(ReplayFrame {
+            frame: 3,
+            inputs: replay.frames[0].inputs.clone(),
+        });
+
+        assert_eq!(
+            validate(&replay).unwrap_err(),
+            "replay frames must be contiguous"
+        );
+    }
 }
@@ -0,0 +1,123 @@
+"""LLDB summaries for Rust's `fixed` crate.
+
+Load this file from LLDB with:
+
+    command script import /path/to/shinespark/tools/lldb_fixed.py
+
+The implementation does not use floating-point arithmetic, so displayed values
+are exact even for FixedI128/FixedU128 values.
+"""
+
+import re
+
+try:
+    import lldb
+except ImportError:
+    # Keep the pure parsing and formatting helpers testable without LLDB.
+    lldb = None
+
+
+_FIXED_TYPE_RE = re.compile(r"(?:^|::)Fixed([IU])(8|16|32|64|128)<(.+)>$")
+_DIRECT_TYPENUM_RE = re.compile(r"(?:^|::)U(\d+)$")
+_TYPENUM_BIT_RE = re.compile(r"(?:^|::)B([01])(?=\s*[,>])")
+
+
+def parse_fixed_type(type_name):
+    """Return (signed, storage_bits, fractional_bits), or None."""
+    if not type_name:
+        return None
+
+    match = _FIXED_TYPE_RE.search(type_name.replace(" ", ""))
+    if match is None:
+        return None
+
+    signed = match.group(1) == "I"
+    storage_bits = int(match.group(2))
+    fractional_type = match.group(3)
+
+    direct = _DIRECT_TYPENUM_RE.search(fractional_type)
+    if direct is not None:
+        fractional_bits = int(direct.group(1))
+    else:
+        # typenum represents UInt<N, B> as a binary tree. Its textual Rust
+        # type lists the bits from most significant to least significant.
+        digits = _TYPENUM_BIT_RE.findall(fractional_type)
+        if not digits:
+            return None
+        fractional_bits = int("".join(digits), 2)
+
+    if fractional_bits > storage_bits:
+        return None
+    return signed, storage_bits, fractional_bits
+
+
+def normalize_bits(raw_bits, signed, storage_bits):
+    """Interpret a possibly unsigned LLDB integer using the fixed type's width."""
+    mask = (1 << storage_bits) - 1
+    raw_bits &= mask
+    if signed and raw_bits >= 1 << (storage_bits - 1):
+        raw_bits -= 1 << storage_bits
+    return raw_bits
+
+
+def format_fixed(raw_bits, fractional_bits):
+    """Format a scaled integer exactly as a decimal string."""
+    if fractional_bits == 0:
+        return str(raw_bits)
+
+    negative = raw_bits < 0
+    magnitude = -raw_bits if negative else raw_bits
+    whole = magnitude >> fractional_bits
+    remainder = magnitude & ((1 << fractional_bits) - 1)
+
+    if remainder == 0:
+        result = str(whole)
+    else:
+        # remainder / 2^n == (remainder * 5^n) / 10^n, which gives a finite,
+        # exact decimal representation without converting through a float.
+        decimal = str(remainder * 5**fractional_bits).zfill(fractional_bits)
+        result = f"{whole}.{decimal.rstrip('0')}"
+
+    return f"-{result}" if negative else result
+
+
+def _parse_lldb_integer(value):
+    text = value.GetValue()
+    if text is not None:
+        try:
+            return int(text, 0)
+        except ValueError:
+            pass
+
+    # GetValueAsUnsigned is also useful on LLDB versions that do not render
+    # primitive values through GetValue. It is sufficient for all <= 64-bit
+    # fixed types; current LLDB versions render i128/u128 through GetValue.
+    return value.GetValueAsUnsigned()
+
+
+def fixed_summary(value, _internal_dict):
+    layout = parse_fixed_type(value.GetTypeName())
+    if layout is None:
+        return None
+
+    signed, storage_bits, fractional_bits = layout
+    bits = value.GetChildMemberWithName("bits")
+    if not bits.IsValid():
+        return None
+
+    raw_bits = _parse_lldb_integer(bits)
+    raw_bits = normalize_bits(raw_bits, signed, storage_bits)
+    return format_fixed(raw_bits, fractional_bits)
+
+
+def __lldb_init_module(debugger, _internal_dict):
+    # LLDB's type-name regex sees the concrete fixed type rather than project
+    # aliases such as FGi32 and FGWide.
+    debugger.HandleCommand(
+        "type summary add --python-function lldb_fixed.fixed_summary "
+        "--category Shinespark --regex "
+        "'^fixed::Fixed(I|U)(8|16|32|64|128)<.+>$'"
+    )
+    # A dedicated category makes the formatter work even when CodeLLDB has not
+    # enabled rustc's standard `Rust` formatter category yet.
+    debugger.HandleCommand("type category enable Shinespark")
@@ -0,0 +1,58 @@
+import unittest
+
+import lldb_fixed
+
+
+class ParseFixedTypeTests(unittest.TestCase):
+    def test_direct_typenum_alias(self):
+        self.assertEqual(
+            lldb_fixed.parse_fixed_type("fixed::FixedI32<typenum::uint::U16>"),
+            (True, 32, 16),
+        )
+
+    def test_expanded_typenum(self):
+        type_name = (
+            "fixed::FixedI32<"
+            "typenum::uint::UInt<"
+            "typenum::uint::UInt<"
+            "typenum::uint::UInt<"
+            "typenum::uint::UInt<"
+            "typenum::uint::UInt<typenum::uint::UTerm, typenum::bit::B1>, "
+            "typenum::bit::B0>, typenum::bit::B0>, typenum::bit::B0>, "
+            "typenum::bit::B0>>"
+        )
+        self.assertEqual(lldb_fixed.parse_fixed_type(type_name), (True, 32, 16))
+
+    def test_unsigned_type(self):
+        self.assertEqual(
+            lldb_fixed.parse_fixed_type("fixed::FixedU64<typenum::uint::U24>"),
+            (False, 64, 24),
+        )
+
+    def test_unrelated_type(self):
+        self.assertIsNone(lldb_fixed.parse_fixed_type("core::primitive::i32"))
+
+
+class FormatFixedTests(unittest.TestCase):
+    def test_q16_16(self):
+        self.assertEqual(lldb_fixed.format_fixed(3 << 15, 16), "1.5")
+        self.assertEqual(lldb_fixed.format_fixed(-(3 << 15), 16), "-1.5")
+        self.assertEqual(lldb_fixed.format_fixed(1, 16), "0.0000152587890625")
+
+    def test_integer_value_has_no_decimal_suffix(self):
+        self.assertEqual(lldb_fixed.format_fixed(12 << 16, 16), "12")
+
+    def test_q96_32(self):
+        raw = (1 << 100) + (1 << 31)
+        self.assertEqual(
+            lldb_fixed.format_fixed(raw, 32),
+            "295147905179352825856.5",
+        )
+
+    def test_twos_complement_normalization(self):
+        self.assertEqual(lldb_fixed.normalize_bits(0xFFFF8000, True, 32), -32768)
+        self.assertEqual(lldb_fixed.normalize_bits(0xFFFF8000, False, 32), 0xFFFF8000)
+
+
+if __name__ == "__main__":
+    unittest.main()
Author	SHA1	Message	Date
EIREXE	9a3a1383ff	Pin Blender for CI asset processing (#58 ) CI / production-build (push) Successful in 13m8s Details CI / build-and-test (push) Successful in 1m31s Details Reviewed-on: #58 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-24 14:45:37 +00:00
EIREXE	1ba29b817b	Implement .blend asset processor (#56 ) CI / build-and-test (push) Successful in 1m51s Details CI / production-build (push) Successful in 12m11s Details Reviewed-on: #56 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-24 10:47:19 +00:00
EIREXE	2874d496ee	Integrate lore CI (#57 ) CI / build-and-test (push) Canceled after 0s Details CI / production-build (push) Canceled after 0s Details Reviewed-on: #57 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-24 10:30:02 +00:00
EIREXE	f7bb8cc345	Remove UI multi cam setup (#54 ) CI / build-and-test (push) Successful in 1m19s Details CI / production-build (push) Successful in 9m38s Details Reviewed-on: #54 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-20 17:34:11 +00:00
EIREXE	85236c4e0f	Optimize rollback hot paths (#53 ) CI / build-and-test (push) Successful in 1m16s Details CI / production-build (push) Successful in 9m36s Details ## Summary Fixes #20. - Reuse fighter animation scratch and output buffers across rollback frames. - Select air-collision hits in one pass without candidate allocations or sorting. - Index contiguous replay input frames directly and binary-search checksums. - Add regression tests for buffer reuse and replay lookup/validation. Reviewed-on: #53 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-20 12:41:13 +00:00
EIREXE	bcf1e114ef	Add script to debug fixed point numbers in lldb CI / build-and-test (push) Successful in 1m33s Details CI / production-build (push) Successful in 9m46s Details	2026-09-20 13:35:43 +02:00
EIREXE	15f07edaaf	Add stocks UI (#52 ) CI / build-and-test (push) Successful in 1m16s Details CI / production-build (push) Successful in 9m38s Details Reviewed-on: #52 Co-authored-by: Álex Román Núñez <eirexe@eirteam.moe>	2026-09-20 11:34:45 +00:00