861 lines
45 KiB
Python
861 lines
45 KiB
Python
#!/usr/bin/env python3
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"""Extract autochess art from a locally installed Arknights client (optional, host-side).
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The official CN client ships Unity AssetBundles compressed with a custom LZ4 variant ("LZ4AK");
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aklz4.py registers a decoder for it. This script pulls the art the web sources lack:
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- map_autochess / map_autochesssand textures (the real board tile atlas)
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- every Sprite of the three autochess UI bundles (HUD frames, badges, banners, icons)
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- the 6 in-match emoticon themes of 盟约 (activity_table autoChessData.enabledEmoticonThemeIdList; only the
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*_battle sprites, keyed by display_meta_table picId: emoticon/<dir>/<picId>.png, see data/emotes.json)
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- the autochess guidebook pages and battle projectile sprites
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(the emotes and the guidebook pages are on the public mirror too: tools/fetch-assets.mjs downloads them, and the
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client uses these local copies first — GitHub issue #42)
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- the enemy battle Spine models no community dump carries (ENEMY_SPINES: 灼热源石虫 / 炽焰源石虫), from the enemy art
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bundles (refs/arts/enm_art_*.ab) → spine/enemy/<enemyId>/<stem>.skel|.atlas + page PNGs with the [alpha] texture
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merged in (premultiplied RGB + A, the Ark-Models format; the atlas gets `size:` / `pma: true` like the fetched
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enemies); the client draws them instead of the web alias once this manifest lists them (data/assets.json
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enemies[id].spineLocal, docs/ASSETS.md "Enemy aliases")
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- the token (summon) battle Spine models no community dump carries (TOKEN_SPINES: most 自选 summons, 凯瑟琳's
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爬行号·防护单元, 凛御银灰's 风雪之眼), from the battle token prefabs (pkgrps/btl_pfb_tokens_*.ab: the skeleton
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the prefab's Front / only Spine renderer draws) → spine/token/<tokenId>/<stem>.skel|.atlas + merged page PNGs, the
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same format; drawn instead of the avatar diamond once this manifest lists them (data/assets.json
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tokens[id].spineLocal)
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- for the official 3D board (DESIGN §15): the map theme's Material parameters (map/<theme>/materials.json; shader
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names resolved through the shaders/*.ab bundles), the background / device meshes as Wavefront OBJ
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(mesh/<bundle>/<mesh>.obj; UnityPy's exporter, X mirrored into a right-handed frame) and their GameObject
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placement (mesh/<bundle>/prefab.json)
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- the standard gate / objective effects of every battle map (arts/effects/[pack]map.ab → map/fx: the [opt]start_box /
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[opt]end_box / [opt]start_fly meshes, their merged additive textures, materials and prefab), the blower's texture
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(arts/maps/common/res.ab → map/common: TX_wind_device of the s_wind_device mesh) and the shared water / noise
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textures (arts/maps/effect.ab → map/water) used for deep-sea / mire / smog tiles
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- derived PBR maps for three.js (DERIVED): Unity stores the theme's normal map as two channels (BC5: RG = XY, B = 0;
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DXT5nm in an older bundle: AG = XY, R = 1) and metallic/gloss with the smoothness in A; the board renderer needs
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an RGB normal map (Z rebuilt) and a roughness map in G (1 − smoothness; metalness B = 0), written next to the
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source as <name>_rgb.png / _rough.png
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- WebP copies of the board textures every player downloads with the 3D board (WEBP), written next to their PNGs;
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the manifest lists the copy
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Usage:
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python3 -m venv .venv && .venv/bin/pip install -r tools/local-extract/requirements.txt
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.venv/bin/python tools/local-extract/extract.py [--game <AB root>] [--out public/assets/local] [--only <subdir prefix>]
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python3 tools/local-extract/extract.py --print-jobs (the job table as JSON; needs no dependencies)
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python3 tools/local-extract/extract.py --webp (only the WebP copies, from the PNGs already extracted —
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e.g. the local art copied from a release bundle; needs Pillow)
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Writes <out>/**.png|.webp|.skel|.atlas and data/local-assets.json (manifest of what was extracted). With --only, just
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the jobs whose output subdir starts with one of the prefixes run, and their groups replace those of the existing
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manifest (every other group is kept as is).
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Everything is (c) Hypergryph; for private, non-commercial fan use only.
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"""
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import argparse
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import json
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import os
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import re
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import sys
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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ROOT = Path(__file__).resolve().parents[2]
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HOME = Path.home()
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CANDIDATES = [
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HOME / 'Library/Application Support/CrossOver/Bottles/Arknights/drive_c/Program Files/Hypergryph Launcher/games/Arknights/Arknights_Data/StreamingAssets/AB/Windows',
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HOME / 'Library/Containers/com.hypergryph.arknights/Data/Documents/Bundles',
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# native Windows installs of the official launcher (default and x86 locations)
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Path('C:/Program Files/Hypergryph Launcher/games/Arknights/Arknights_Data/StreamingAssets/AB/Windows'),
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Path('C:/Program Files (x86)/Hypergryph Launcher/games/Arknights/Arknights_Data/StreamingAssets/AB/Windows'),
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]
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# In-match emote themes (display_meta_table emoticonData, scene AUTOCHESS_BATTLE), in the order of
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# activity_table autoChessData.enabledEmoticonThemeIdList: (themeId, output dir under emoticon/). The dirs are the
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# ones of shared/constants.js EMOTE_THEMES / data/emotes.json. Only the *_battle sprites are exported: the bundles also
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# hold room / pick pics of other modes (and the autochess room pics are not in the local client at all).
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EMOTE_THEMES = [
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('emoticon_autochess_basic', 'basic'),
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('emoticon_originium_slug', 'slug'),
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('emoticon_autochess_basic_2', 'basic_2'),
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('emoticon_foolsday_doctor', 'fooldoctor'),
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('emoticon_foolsday_amiya', 'foolamiya'),
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('emoticon_foolsday_wisdel', 'foolwisdel'),
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]
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BATTLE_EMOTE = r'^pic_.+_battle$'
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# Meshes of the official board scene (DESIGN §15): (bundle, output name under mesh/).
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MESH_BUNDLES = [
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('arts/maps/map_autochess/bkg_mesh.ab', 'map_autochess_bkg'),
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('arts/maps/common/meshes/s_background_common.ab', 's_background_common'),
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('arts/maps/common/meshes/s_common_box_01.ab', 's_common_box_01'),
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('arts/maps/common/meshes/s_wind_device.ab', 's_wind_device'),
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]
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# (bundle path relative to the AB root, output subdir, which object types to export[, name regex to keep])
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JOBS = [
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('arts/maps/map_autochess/res.ab', 'map/autochess', {'Texture2D', 'Material'}),
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('arts/maps/map_autochesssand/res.ab', 'map/autochesssand', {'Texture2D', 'Material'}),
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('ui/autochess/[uc]autochesscommon.ab', 'ui/common', {'Sprite'}),
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('ui/autochess/[uc]autochessbattle.ab', 'ui/battle', {'Sprite', 'TextAsset'}),
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('ui/autochess/[uc]autochessouter.ab', 'ui/outer', {'Sprite'}),
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*[(f'ui/emoticon/theme/[uc]{theme}.ab', f'emoticon/{sub}', {'Sprite'}, BATTLE_EMOTE) for theme, sub in EMOTE_THEMES],
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('arts/guidebookpages/[pack]autochess.ab', 'guide', {'Sprite', 'Texture2D'}),
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('battle/prefabs/[uc]projectiles.ab', 'projectiles', {'Sprite', 'Texture2D'}),
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# official module (uniequip) type icons, keyed by lower-case type name (e.g. 'mar-x')
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('spritepack/ui_equip_type_hub_h2_0.ab', 'module', {'Sprite'}),
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*[(rel, f'mesh/{sub}', {'Mesh', 'GameObject', 'Material', 'Texture2D'}) for rel, sub in MESH_BUNDLES],
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('arts/effects/[pack]map.ab', 'map/fx', {'Mesh', 'GameObject', 'Material', 'Texture2D'}),
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('arts/maps/common/res.ab', 'map/common', {'Material', 'Texture2D'}, r'^(TX|MT)_wind_device$'),
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('arts/maps/effect.ab', 'map/water', {'Texture2D'}, r'water_normal|Caustics|WaterNoise|noise_clouds|Water_Foam|SmoothWaves'),
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]
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# Enemy battle Spine models that no community dump carries (isHarryh/Ark-Models lists them with an empty assetList, so
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# tools/fetch-assets.mjs aliases them to another enemy's skeleton — the web model): every enemy of data/enemies.json whose
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# official battle prefab draws a skeleton of its own that is missing upstream (audited against the client's prefabs, user
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# feedback after 0.1.0 report D3: 灼热源石虫 / 炽焰源石虫 — the ELEMENT faction's slugs — were drawn as the plain 源石虫).
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# Read from the enemy art bundles: Assets/Torappu/Arts/Enemies/Spines/<…>/<id>_SkeletonData.asset → its skeleton
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# TextAsset, the atlas TextAsset of its atlas asset and every page texture of the atlas materials (_MainTex, with its
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# _AlphaTex merged in as A). Output: spine/enemy/<id>/ (manifest group spine/enemy/<id>); the client draws the model
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# when the group lists every file of data/assets.json enemies[id].spineLocal (whose metadata
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# tools/assets/local-enemy-spines.json keeps: `node tools/fetch-assets.mjs --local-spines` after a game update).
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ENEMY_SPINES = ['enemy_1305_mhslim', 'enemy_1305_mhslim_2']
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ENEMY_ART = 'refs/arts/enm_art_*.ab'
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ENEMY_SPINE_SUB = 'spine/enemy'
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# Token (summon) battle Spine models that no community dump carries: fexli/ArknightsResource has most of the 自选
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# summons (data/backups.json `tokens`) only as skin variants or not at all, so tools/fetch-assets.mjs reports "missing
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# skel" for them and the client drew the avatar diamond. Every token of data/tokens.json and data/backups.json whose
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# battle prefab draws a Spine model and that has no web model (audited 2026-10-06 against both local installs). Read from
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# the battle token packs (dyn/battle/prefabs/[uc]tokens/<id>.prefab): the SkeletonDataAsset of the prefab's Spine
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# renderer — of a directional token (FaceSwitcher with Front / Back / Down renderers, each its own skeleton under the
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# same name) the Front one, the model the fetched tokens use too (plan.mjs: Spine/ or Front/) — with its skeleton,
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# atlas and page textures as in ENEMY_SPINES. The Windows build carries every one (pkgrps/btl_pfb_tokens_0/4/5.ab; the
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# iOS build lacks btl_pfb_tokens_0, and its pages are ASTC rather than BC7). Output: spine/token/<id>/ (manifest group
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# spine/token/<id>); the client draws the model when the group lists every file of data/assets.json
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# tokens[id].spineLocal (metadata in tools/assets/local-token-spines.json, `node tools/fetch-assets.mjs --local-spines`).
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# Not here: the tokens whose prefab draws nothing (an EmptyAnimator in place of the Spine renderer, displayType HIDDEN
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# or an effect only, and no avatar in either install's asset index) — 乌尔比安's 从不混淆的方向, 圣聆初雪's frozen
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# protection point, 酒神's 迷狂牢笼, 贝洛内's 牵绊, 予愿安洁莉娜's “一会儿见！” (token_10039 / 10058 / 10055 / 10065 / 10071).
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TOKEN_SPINES = [
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'token_10002_kalts_mon3tr', 'token_10003_cgbird_bird', 'token_10005_mgllan_drone1', 'token_10005_mgllan_drone2',
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'token_10005_mgllan_drone3', 'token_10007_phatom_twin', 'token_10008_cqbw_box', 'token_10009_weedy_cannon',
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'token_10020_ling_soul1', 'token_10020_ling_soul2', 'token_10020_ling_soul3', 'token_10024_ebnhlz_rcube',
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'token_10025_doroth_recttp', 'token_10026_bgsnow_subbow', 'token_10027_ironmn_pile1', 'token_10027_ironmn_pile2',
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'token_10027_ironmn_pile3', 'token_10029_slent2_protrb', 'token_10031_swire2_gdtrap', 'token_10032_jesca2_jckshd', 'token_10034_ray_sndbst',
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'token_10035_wisdel_wward', 'token_10041_cathy_catsld', 'token_10043_necras_skeltn', 'token_10050_monstr_prosts',
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'token_10051_radian_tower1', 'token_10052_radian_tower2', 'token_10053_radian_tower3', 'token_10054_phatm2_encdool',
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'token_10057_svash2_eagle1', 'token_10057_svash2_eagle2', 'token_10057_svash2_eagle3', 'token_10059_nasti_nstdef',
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'token_10060_nasti_nstchr', 'token_10061_nasti_nstbld', 'token_10064_wang_stone1', 'token_10066_closur_ourbase',
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'token_10068_kalts2_mtship', 'token_10069_mcnist_mcgraf', 'token_10070_aphris_pc',
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]
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TOKEN_PACKS = 'pkgrps/btl_pfb_tokens_*.ab'
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TOKEN_SPINE_SUB = 'spine/token'
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# Derived three.js maps: (output subdir, source texture, kind, output name). 'normal_rg' rebuilds Z of a two-channel
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# (BC5 or DXT5nm) normal map into an RGB tangent-space map; 'rough_from_gloss' turns Unity's metallic/gloss map
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# (smoothness in A) into a roughness (G) / metalness (B) map. Written after the job that exported the source texture.
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DERIVED = [
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('map/autochess', 'TX_autochessi_N', 'normal_rg', 'TX_autochessi_N_rgb'),
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('map/autochess', 'TX_autochessi_M', 'rough_from_gloss', 'TX_autochessi_M_rough'),
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]
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# The board textures every player downloads when a match shows the 3D board (public/js/render/board3d/load.js
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# PACK_IMAGES; D / common_D / BG also feed the 2D board art, render/boardArt.js): (output subdir, name, mode). A WebP
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# copy is written next to the PNG and the manifest lists the copy instead (≈ 6.7 MB → 2.0 MB per cold start); the PNG
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# stays for tools/crop-board-atlas.mjs and setup's check. 'lossy' = colour maps at quality 95 with the alpha lossless
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# and the RGB under transparent texels kept (`exact`: the board material is opaque and samples it); 'lossless' =
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# normal and data maps, whose channels hold independent values that lossy WebP's chroma subsampling would mix (a
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# normal map ends up tens of degrees off). A Pillow without WebP support keeps the PNG.
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WEBP = [
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('map/autochess', 'TX_autochessi_D', 'lossy'),
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('map/autochess', 'TX_autochessi_BG', 'lossy'),
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('map/autochess', 'TX_autochessi_common_D', 'lossy'),
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('map/autochess', 'TX_autochessi_N_rgb', 'lossless'),
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('map/autochess', 'TX_autochessi_M_rough', 'lossless'),
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('map/autochess', 'TX_autochessi_E', 'lossless'),
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('map/autochess', 'TX_autochessi_common_E', 'lossless'),
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('map/common', 'TX_wind_device', 'lossy'),
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('map/fx', '[opt]merged_textures', 'lossless'),
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('map/water', '[ucp]TX_water_normal', 'lossless'),
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('map/water', 'TX_Caustics256', 'lossy'),
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('map/water', 'T_noise_clouds_01', 'lossless'),
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]
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WEBP_OPTIONS = {
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'lossy': {'quality': 95, 'method': 6, 'alpha_quality': 100, 'exact': True},
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'lossless': {'lossless': True, 'quality': 100, 'method': 6, 'exact': True},
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}
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# Shader bundles loaded beside every job that exports Materials, only so that the materials' shader references
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# (external CABs) resolve to a name in materials.json (e.g. Torappu/Scene/StandardDirectional); nothing is exported
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# from them.
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SHADER_DEPS = 'shaders/*.ab'
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# the root shader bundle ([uc]shaders.ab) holds the Torappu particle shaders of the map effects (map/fx)
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SHADER_DEPS_ROOT = '[uc]shaders.ab'
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SAFE = re.compile(r'[^A-Za-z0-9_.\-\[\]]+')
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def safe_name(name):
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name = SAFE.sub('_', name).strip('._') or 'unnamed'
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return name[:120]
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def job_parts(job):
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"""(rel, sub, kinds, keep) of a JOBS entry; keep is a compiled name filter or None."""
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rel, sub, kinds = job[:3]
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keep = re.compile(job[3]) if len(job) > 3 and job[3] else None
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return rel, sub, kinds, keep
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def wants_sub(only, sub):
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"""Whether output subdir `sub` runs under --only: no prefixes, or one prefix is `sub`, a parent of it or below it."""
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if not only:
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return True
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return any(sub == p.rstrip('/') or sub.startswith(p.rstrip('/') + '/') or p.rstrip('/').startswith(sub + '/')
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for p in only)
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def select_jobs(only):
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"""The jobs whose output subdir starts with one of the `only` prefixes (all jobs when `only` is empty)."""
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if not only:
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return list(JOBS)
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return [j for j in JOBS if any(j[1] == p.rstrip('/') or j[1].startswith(p.rstrip('/') + '/') for p in only)]
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def enemy_spine_id(container, wanted):
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"""The enemy id of an enemy SkeletonData container path (Assets/Torappu/Arts/Enemies/Spines/<dir>[/<n>]/<id>_
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SkeletonData.asset) when it is one of `wanted`, else None."""
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m = re.search(r'/Enemies/Spines/(?:[^/]+/)+([^/]+)_SkeletonData\.asset$', container or '', re.I)
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return m.group(1) if m and m.group(1) in wanted else None
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def token_prefab_id(container, wanted):
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"""The token id of a battle token prefab container path (dyn/battle/prefabs/[uc]tokens/<id>.prefab) when it is one
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of `wanted`, else None (a skin's prefab lives under battle/prefabs/skins/character/…)."""
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m = re.search(r'(?:^|/)battle/prefabs/(?:\[uc\])?tokens/([^/]+)\.prefab$', container or '', re.I)
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return m.group(1) if m and m.group(1) in wanted else None
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def spine_ids(only, sub, ids):
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"""The ids of a Spine model list (ENEMY_SPINES / TOKEN_SPINES, written to `<sub>/<id>`) that run under --only: all of
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them with no prefix, `sub` or a parent of it; else those whose output dir is a prefix or below one."""
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if not wants_sub(only, sub):
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return []
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if not only or any(sub == p.rstrip('/') or sub.startswith(p.rstrip('/') + '/') for p in only):
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return list(ids)
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return [i for i in ids if any(f'{sub}/{i}' == p.rstrip('/') or f'{sub}/{i}'.startswith(p.rstrip('/') + '/')
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for p in only)]
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def prefab_spine_nodes(root, objects):
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"""The Spine renderers of a prefab, depth first: [(GameObject name, active, skeletonDataAsset PPtr)] for every
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MonoBehaviour holding a `skeletonDataAsset` (Spine's SkeletonAnimation). `root` is the root GameObject's type tree,
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`objects` the bundle's {path id: object}; references into other bundles are skipped."""
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out = []
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def local(pptr):
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return objects.get(pptr.get('m_PathID')) if pptr and not pptr.get('m_FileID') else None
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def walk(go, active, depth):
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tr, refs = None, []
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for c in go.get('m_Component') or []:
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o = local(c.get('component'))
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if o is None:
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continue
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try:
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if o.type.name == 'Transform':
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tr = o.read_typetree()
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elif o.type.name == 'MonoBehaviour':
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sda = o.read_typetree().get('skeletonDataAsset')
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if sda and sda.get('m_PathID'):
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refs.append(sda)
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except Exception: # a script without a readable type tree is no Spine renderer we could use
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continue
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active = active and bool(go.get('m_IsActive', 1))
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out.extend((go.get('m_Name') or '', active, ref) for ref in refs)
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if tr is None or depth >= 12:
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return
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for ch in tr.get('m_Children') or []:
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t = local(ch)
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g = local(t.read_typetree().get('m_GameObject')) if t is not None else None
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if g is not None:
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walk(g.read_typetree(), active, depth + 1)
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walk(root, True, 0)
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return out
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def pick_spine_node(nodes):
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"""The renderer the remake draws among prefab_spine_nodes: of a directional token (a FaceSwitcher with Front / Back /
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Down renderers) the Front one, else one named Spine, else the first — active renderers first; None when empty."""
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live = [n for n in nodes if n[1]] or list(nodes)
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for want in ('Front', 'Spine'):
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hit = next((n for n in live if n[0] == want), None)
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if hit:
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return hit
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return live[0] if live else None
|
||
|
||
|
||
def _num(v, nd=6):
|
||
"""JSON-safe rounded float (NaN / inf → 0)."""
|
||
try:
|
||
f = float(v)
|
||
except (TypeError, ValueError):
|
||
return 0
|
||
return round(f, nd) + 0.0 if f == f and abs(f) != float('inf') else 0 # + 0.0: no '-0.0'
|
||
|
||
|
||
def vec(v, keys='xyz'):
|
||
"""[x, y, z(, w)] of a UnityPy vector / quaternion (missing components → 0)."""
|
||
return [_num(getattr(v, k, 0)) for k in keys]
|
||
|
||
|
||
def _pptr_name(pptr):
|
||
"""Name of the object a PPtr points to, or None (null pointer or an unloaded external bundle)."""
|
||
try:
|
||
if not getattr(pptr, 'm_PathID', 0):
|
||
return None
|
||
return getattr(pptr.read(), 'm_Name', None) or None
|
||
except Exception: # external dependency not loaded, unsupported type, …
|
||
return None
|
||
|
||
|
||
def material_info(mat):
|
||
"""JSON summary of a Material: shader, keywords, textures (by name, with tiling), floats and colours."""
|
||
shader = None
|
||
try:
|
||
sh = mat.m_Shader.read()
|
||
shader = getattr(getattr(sh, 'm_ParsedForm', None), 'm_Name', None) or getattr(sh, 'm_Name', None)
|
||
except Exception:
|
||
shader = None
|
||
props = getattr(mat, 'm_SavedProperties', None)
|
||
textures, floats, colors = {}, {}, {}
|
||
for k, env in (getattr(props, 'm_TexEnvs', None) or []):
|
||
name = _pptr_name(env.m_Texture)
|
||
if name:
|
||
textures[k] = {'texture': name, 'scale': vec(env.m_Scale, 'xy'), 'offset': vec(env.m_Offset, 'xy')}
|
||
for k, v in (getattr(props, 'm_Floats', None) or []):
|
||
floats[k] = _num(v)
|
||
for k, c in (getattr(props, 'm_Colors', None) or []):
|
||
colors[k] = vec(c, 'rgba')
|
||
kw = getattr(mat, 'm_ValidKeywords', None) or getattr(mat, 'm_ShaderKeywords', None) or []
|
||
if isinstance(kw, str):
|
||
kw = kw.split()
|
||
return {'shader': shader, 'keywords': sorted(kw), 'textures': dict(sorted(textures.items())),
|
||
'floats': dict(sorted(floats.items())), 'colors': dict(sorted(colors.items()))}
|
||
|
||
|
||
def prefab_node(go, mesh_keys=None):
|
||
"""JSON summary of a GameObject: local transform (Unity space), parent, mesh and material names. `mesh_keys`
|
||
({mesh path id: manifest key}) names the exported OBJ when two meshes of a bundle share a name."""
|
||
node = {'name': getattr(go, 'm_Name', '') or '', 'parent': None, 'pos': [0, 0, 0], 'rot': [0, 0, 0, 1],
|
||
'scale': [1, 1, 1], 'mesh': None, 'materials': []}
|
||
for c in getattr(go, 'm_Component', None) or []:
|
||
pptr = getattr(c, 'component', c)
|
||
try:
|
||
comp = pptr.read()
|
||
except Exception:
|
||
continue
|
||
kind = type(comp).__name__
|
||
if kind in ('Transform', 'RectTransform'):
|
||
node['pos'] = vec(comp.m_LocalPosition)
|
||
node['rot'] = vec(comp.m_LocalRotation, 'xyzw')
|
||
node['scale'] = vec(comp.m_LocalScale)
|
||
try:
|
||
father = comp.m_Father.read() if getattr(comp.m_Father, 'm_PathID', 0) else None
|
||
node['parent'] = father.m_GameObject.read().m_Name if father else None
|
||
except Exception:
|
||
node['parent'] = None
|
||
elif kind == 'MeshFilter':
|
||
node['mesh'] = _pptr_name(comp.m_Mesh)
|
||
pid = getattr(comp.m_Mesh, 'm_PathID', 0)
|
||
if mesh_keys and pid in mesh_keys and not getattr(comp.m_Mesh, 'm_FileID', 0):
|
||
node['mesh'] = mesh_keys[pid]
|
||
elif kind in ('MeshRenderer', 'SkinnedMeshRenderer'):
|
||
node['materials'] = [_pptr_name(m) for m in getattr(comp, 'm_Materials', None) or []]
|
||
return node
|
||
|
||
|
||
def dep_bundles(ab_root, kinds):
|
||
"""Bundles to load next to a job so its references resolve: the shader bundles when it exports Materials."""
|
||
if 'Material' not in kinds:
|
||
return []
|
||
root = Path(ab_root)
|
||
extra = [root / SHADER_DEPS_ROOT] if (root / SHADER_DEPS_ROOT).is_file() else []
|
||
return sorted(p for p in root.glob(SHADER_DEPS) if p.is_file()) + extra
|
||
|
||
|
||
_NORMAL_Z = None
|
||
|
||
|
||
def _normal_z_table():
|
||
"""Z byte of a unit normal for every (x byte, y byte) pair: 128 + 127·sqrt(max(0, 1 − x² − y²))."""
|
||
global _NORMAL_Z
|
||
if _NORMAL_Z is None:
|
||
t = bytearray(65536)
|
||
for xb in range(256):
|
||
x = xb / 127.5 - 1.0
|
||
for yb in range(256):
|
||
y = yb / 127.5 - 1.0
|
||
z = max(0.0, 1.0 - x * x - y * y) ** 0.5
|
||
t[(xb << 8) | yb] = min(255, int(round(127.5 + 127.5 * z)))
|
||
_NORMAL_Z = bytes(t)
|
||
return _NORMAL_Z
|
||
|
||
|
||
def derive_normal_rg(img):
|
||
"""RGB tangent-space normal map from Unity's two-channel one: Z rebuilt per pixel. X and Y are read the way Unity's
|
||
shaders unpack them (UnityCG.cginc UnpackNormalmapRGorAG: x = R · A, y = G), which covers both layouts a client
|
||
build holds: BC5 (R = X, G = Y, B unused, no alpha → A = 1) and DXT5nm (R = 1, G = Y, A = X — the map_autochess
|
||
bundle before the client update of 2026-10)."""
|
||
from PIL import Image, ImageChops
|
||
r, g, _, a = img.convert('RGBA').split()
|
||
x = ImageChops.multiply(r, a) # exact when either factor is 255
|
||
table = _normal_z_table()
|
||
z = bytes(table[(xb << 8) | yb] for xb, yb in zip(x.tobytes(), g.tobytes()))
|
||
return Image.merge('RGB', (x, g, Image.frombytes('L', img.size, z)))
|
||
|
||
|
||
def derive_rough_from_gloss(img):
|
||
"""three.js roughness / metalness map (G = 1 − smoothness from Unity's A, B = metalness 0, R = 1) from a
|
||
Unity metallic/gloss map."""
|
||
from PIL import Image
|
||
rgba = img.convert('RGBA')
|
||
rough = rgba.getchannel('A').point(lambda v: 255 - v)
|
||
return Image.merge('RGB', (Image.new('L', rgba.size, 255), rough, Image.new('L', rgba.size, 0)))
|
||
|
||
|
||
DERIVERS = {'normal_rg': derive_normal_rg, 'rough_from_gloss': derive_rough_from_gloss}
|
||
|
||
|
||
def run_derived(out_root, sub, manifest, log):
|
||
"""Write the DERIVED maps of output subdir `sub` (from its exported PNGs) and record them in the manifest."""
|
||
from PIL import Image
|
||
n = 0
|
||
for dsub, src, kind, name in DERIVED:
|
||
if dsub != sub:
|
||
continue
|
||
path = Path(out_root) / sub / f'{src}.png'
|
||
if not path.exists():
|
||
log(f' derived {name}: source {src} missing')
|
||
continue
|
||
try:
|
||
img = DERIVERS[kind](Image.open(path))
|
||
img.save(Path(out_root) / sub / f'{name}.png')
|
||
except Exception as e: # a broken source only drops the derived map (the renderer falls back)
|
||
log(f' warn derived {name}: {e}')
|
||
continue
|
||
manifest.setdefault(sub, {})[name] = {'path': f'/assets/local/{sub}/{name}.png', 'w': img.width, 'h': img.height,
|
||
'kind': 'Derived', 'from': src, 'derive': kind}
|
||
n += 1
|
||
return n
|
||
|
||
|
||
def run_webp(out_root, sub, manifest, log):
|
||
"""Write the WEBP copies of output subdir `sub` from its PNGs and point their manifest entries at them."""
|
||
n = 0
|
||
for wsub, name, mode in WEBP:
|
||
entry = manifest.get(sub, {}).get(name) if wsub == sub else None
|
||
png = Path(out_root) / sub / f'{name}.png'
|
||
if not entry or not png.exists():
|
||
continue
|
||
dst = png.with_name(f'{name}.webp')
|
||
try:
|
||
from PIL import Image
|
||
with Image.open(png) as img:
|
||
img.save(dst, 'WEBP', **WEBP_OPTIONS[mode])
|
||
except Exception as e: # no WebP support in this Pillow, or a broken PNG: the entry keeps the PNG
|
||
log(f' warn webp {name}: {e}')
|
||
continue
|
||
entry.update(path=f'/assets/local/{sub}/{dst.name}', webp=mode)
|
||
n += 1
|
||
return n
|
||
|
||
|
||
def webp_only(out_root, manifest_path, log):
|
||
"""--webp: the WEBP copies of an existing extraction (e.g. the local art copied from a release bundle)."""
|
||
try:
|
||
doc = json.loads(Path(manifest_path).read_text(encoding='utf-8'))
|
||
except (OSError, ValueError) as e:
|
||
print(f'No readable manifest at {manifest_path} ({e}). Extract the local art first.', file=sys.stderr)
|
||
return 2
|
||
groups = doc.get('groups') if isinstance(doc, dict) else None
|
||
if not isinstance(groups, dict):
|
||
print(f'{manifest_path} has no groups. Extract the local art first.', file=sys.stderr)
|
||
return 2
|
||
n = sum(run_webp(out_root, sub, groups, log) for sub in dict.fromkeys(s for s, _, _ in WEBP))
|
||
Path(manifest_path).write_text(json.dumps(doc, ensure_ascii=False, separators=(',', ':')), encoding='utf-8')
|
||
log(f'done: {n} WebP copies, manifest {manifest_path}')
|
||
return 0 if n else 1
|
||
|
||
|
||
def merge_manifest(old_groups, new_groups, ran_subs):
|
||
"""Groups of the previous manifest minus the subdirs that were re-extracted, plus the new ones (sorted keys)."""
|
||
out = {g: v for g, v in (old_groups or {}).items() if g not in ran_subs}
|
||
out.update(new_groups)
|
||
return {g: dict(sorted(out[g].items())) for g in sorted(out)}
|
||
|
||
|
||
def export_bundle(ab_root, job, out_root, manifest, log):
|
||
import aklz4 # noqa: F401 (registers the LZ4AK decoder)
|
||
import UnityPy
|
||
rel, sub, kinds, keep = job_parts(job)
|
||
src = ab_root / rel
|
||
if not src.exists():
|
||
log(f'skip (missing) {rel}')
|
||
return 0
|
||
try:
|
||
env = UnityPy.load(str(src))
|
||
except Exception as e: # corrupt or unsupported bundle: report and continue
|
||
log(f'FAIL load {rel}: {e}')
|
||
return 0
|
||
objects = list(env.objects) # the job's own objects, listed before any dependency joins the environment
|
||
for dep in dep_bundles(ab_root, kinds):
|
||
try:
|
||
env.load_file(str(dep))
|
||
except Exception as e: # a missing shader only leaves that material's shader name null
|
||
log(f' warn dependency {dep.name}: {e}')
|
||
out_dir = out_root / sub
|
||
out_dir.mkdir(parents=True, exist_ok=True)
|
||
seen, n = set(), 0
|
||
materials, prefab, gos, mesh_keys = {}, [], [], {}
|
||
for obj in objects:
|
||
t = obj.type.name
|
||
if t not in kinds:
|
||
continue
|
||
try:
|
||
data = obj.read()
|
||
raw_name = getattr(data, 'm_Name', '') or ''
|
||
if keep is not None and not keep.search(raw_name):
|
||
continue
|
||
name = safe_name(raw_name or f'obj_{obj.path_id}')
|
||
if t in ('Sprite', 'Texture2D'):
|
||
img = data.image
|
||
if img is None or img.width < 2 or img.height < 2:
|
||
continue
|
||
fname = name + '.png'
|
||
if fname in seen: # same name twice: a Sprite (true aspect) beats its padded Texture2D
|
||
if t == 'Texture2D' or manifest.get(sub, {}).get(name, {}).get('kind') == 'Sprite':
|
||
continue
|
||
img.save(out_dir / fname)
|
||
seen.add(fname)
|
||
manifest.setdefault(sub, {})[name] = {
|
||
'path': f'/assets/local/{sub}/{fname}', 'w': img.width, 'h': img.height, 'kind': t}
|
||
n += 1
|
||
elif t == 'TextAsset':
|
||
raw = data.m_Script
|
||
blob = raw.encode('utf-8', 'surrogateescape') if isinstance(raw, str) else bytes(raw)
|
||
if name.endswith('.atlas') or name.endswith('.skel'):
|
||
fname = name
|
||
elif blob[:1] in (b'\n', b'') or b'size:' in blob[:200]:
|
||
fname = name + '.atlas'
|
||
else:
|
||
fname = name + '.skel'
|
||
(out_dir / fname).write_bytes(blob)
|
||
manifest.setdefault(sub, {})[fname] = {'path': f'/assets/local/{sub}/{fname}', 'kind': t}
|
||
n += 1
|
||
elif t == 'Mesh':
|
||
text = data.export()
|
||
if not text or 'v ' not in text:
|
||
continue
|
||
fname = name + '.obj'
|
||
if fname in seen:
|
||
name, fname = f'{name}_{obj.path_id}', f'{name}_{obj.path_id}.obj'
|
||
(out_dir / fname).write_text(text, encoding='utf-8')
|
||
seen.add(fname)
|
||
verts = sum(1 for line in text.splitlines() if line.startswith('v '))
|
||
manifest.setdefault(sub, {})[name] = {'path': f'/assets/local/{sub}/{fname}', 'kind': 'Mesh', 'verts': verts}
|
||
mesh_keys[obj.path_id] = name
|
||
n += 1
|
||
elif t == 'Material':
|
||
materials[raw_name or name] = material_info(data)
|
||
elif t == 'GameObject':
|
||
gos.append(data) # summarised after every mesh got its manifest key
|
||
except Exception as e:
|
||
log(f' warn {rel} #{obj.path_id}: {e}')
|
||
for go in gos:
|
||
try:
|
||
prefab.append(prefab_node(go, mesh_keys))
|
||
except Exception as e:
|
||
log(f' warn {rel} GameObject: {e}')
|
||
for key, fname, payload in (('materials', 'materials.json', materials), ('prefab', 'prefab.json', prefab)):
|
||
if not payload:
|
||
continue
|
||
if isinstance(payload, list):
|
||
payload = sorted(payload, key=lambda nd: (nd['parent'] or '', nd['name']))
|
||
else:
|
||
payload = dict(sorted(payload.items()))
|
||
(out_dir / fname).write_text(json.dumps(payload, ensure_ascii=False, separators=(',', ':')), encoding='utf-8')
|
||
manifest.setdefault(sub, {})[key] = {'path': f'/assets/local/{sub}/{fname}', 'kind': key.capitalize(), 'count': len(payload)}
|
||
n += 1
|
||
n += run_derived(out_root, sub, manifest, log)
|
||
log(f'{rel}: {n} files -> {sub}')
|
||
k = run_webp(out_root, sub, manifest, log)
|
||
if k:
|
||
log(f' {k} WebP copies -> {sub}')
|
||
return n
|
||
|
||
|
||
def _text_bytes(text_asset):
|
||
raw = text_asset.m_Script
|
||
return raw.encode('utf-8', 'surrogateescape') if isinstance(raw, str) else bytes(raw)
|
||
|
||
|
||
def merge_alpha(rgb, alpha, straight=False):
|
||
"""Premultiplied RGBA page of a Spine atlas texture: RGB of the main texture and A from its [alpha] texture (the
|
||
split pages: _UseAlphaTex 1), else the main texture's own alpha (the newer RGBA pages: _UseAlphaTex 0); RGB is
|
||
clamped to A (block-compression bleed) — the client's Spine material reads premultiplied input
|
||
(_StraightAlphaInput 0) — or, for a material with _StraightAlphaInput 1 (`straight`), multiplied by A."""
|
||
from PIL import Image, ImageChops
|
||
r, g, b = rgb.convert('RGB').split()
|
||
if alpha is not None:
|
||
a = alpha.convert('L').resize(rgb.size)
|
||
elif rgb.mode in ('RGBA', 'LA', 'PA') or 'transparency' in rgb.info:
|
||
a = rgb.convert('RGBA').getchannel('A')
|
||
else:
|
||
a = Image.new('L', rgb.size, 255)
|
||
op = ImageChops.multiply if straight else ImageChops.darker
|
||
return Image.merge('RGBA', tuple(op(ch, a) for ch in (r, g, b)) + (a,))
|
||
|
||
|
||
def _is_page_line(lines, i):
|
||
"""Whether line i of a Spine atlas starts a page: a page name is an unindented line without ':' that comes first
|
||
or after a blank line (a region name follows its page's or the previous region's fields)."""
|
||
line = lines[i]
|
||
return bool(line.strip()) and ':' not in line and not line[:1].isspace() and (i == 0 or not lines[i - 1].strip())
|
||
|
||
|
||
def atlas_pages(text):
|
||
"""The page names (image files) of a Spine atlas text, in order."""
|
||
lines = text.replace('\r\n', '\n').replace('\r', '\n').lstrip('\ufeff').split('\n')
|
||
return [lines[i].strip() for i in range(len(lines)) if _is_page_line(lines, i)]
|
||
|
||
|
||
def normalize_atlas(text, sizes):
|
||
"""Spine atlas text with every page header carrying its real `size: w,h` (`sizes`: page name → (w, h)) and
|
||
`pma: true` (the pages are premultiplied: merge_alpha) — what tools/assets/atlas.mjs normalizeAtlas gives the fetched
|
||
enemy atlases, so the client loads the extracted model as it is. Page fields are the unindented `key: value` lines
|
||
right after a page name (a line after a blank line, or the first line); everything else is kept."""
|
||
lines = text.replace('\r\n', '\n').replace('\r', '\n').lstrip('\ufeff').split('\n')
|
||
out, i, n = [], 0, len(lines)
|
||
while i < n:
|
||
line = lines[i]
|
||
if not _is_page_line(lines, i):
|
||
out.append(line)
|
||
i += 1
|
||
continue
|
||
name = line.strip()
|
||
fields, j = [], i + 1
|
||
while j < n and lines[j].strip() and not lines[j][:1].isspace() and ':' in lines[j]:
|
||
fields.append(lines[j])
|
||
j += 1
|
||
keys = [f.split(':', 1)[0].strip() for f in fields]
|
||
size = sizes.get(name)
|
||
if size:
|
||
sz = f'size: {size[0]},{size[1]}'
|
||
if 'size' in keys:
|
||
fields[keys.index('size')] = sz
|
||
else:
|
||
fields.insert(0, sz)
|
||
if 'pma' not in keys:
|
||
fields.append('pma: true')
|
||
out.append(line)
|
||
out.extend(fields)
|
||
i = j
|
||
return '\n'.join(out)
|
||
|
||
|
||
def write_spine(objects, sda, sub, name, out_root, manifest, log):
|
||
"""Write one Spine model of a SkeletonDataAsset type tree — its skeleton TextAsset, its atlas TextAsset(s) (sized,
|
||
`pma: true`: normalize_atlas) and the page textures of the atlas materials (_MainTex with its _AlphaTex merged in,
|
||
merge_alpha) — to <out_root>/<sub>/ as <stem>.skel, <stem>.atlas (one stem: pixi-spine finds the atlas by the
|
||
skeleton's name) and <page>.png, and list them in the manifest group `sub`. Returns the file count; 0 when a part
|
||
is missing or the textures do not match the atlas pages (nothing is written then). `name` labels the log lines and
|
||
names a skeleton without a name."""
|
||
get = lambda pptr: objects.get(pptr['m_PathID']) if pptr and not pptr.get('m_FileID') else None # noqa: E731
|
||
skel = get(sda.get('skeletonJSON'))
|
||
if skel is None:
|
||
log(f' warn {name}: skeleton TextAsset not in this bundle')
|
||
return 0
|
||
ta = skel.read()
|
||
stem = safe_name(getattr(ta, 'm_Name', '') or name).removesuffix('.skel')
|
||
texts, pages = [], {}
|
||
for aref in sda.get('atlasAssets') or []:
|
||
aa = get(aref)
|
||
if aa is None:
|
||
continue
|
||
at = aa.read_typetree()
|
||
af = get(at.get('atlasFile'))
|
||
if af is not None:
|
||
texts.append(_text_bytes(af.read()).decode('utf-8', 'replace'))
|
||
for mref in at.get('materials') or []:
|
||
mo = get(mref)
|
||
if mo is None:
|
||
continue
|
||
props = mo.read_typetree()['m_SavedProperties']
|
||
texs = dict(props['m_TexEnvs'])
|
||
straight = dict(props.get('m_Floats') or []).get('_StraightAlphaInput') == 1
|
||
main, alpha = get(texs.get('_MainTex', {}).get('m_Texture')), get(texs.get('_AlphaTex', {}).get('m_Texture'))
|
||
if main is None:
|
||
continue
|
||
mt = main.read()
|
||
pages[safe_name(mt.m_Name) + '.png'] = merge_alpha(mt.image, alpha.read().image if alpha is not None else None,
|
||
straight)
|
||
if not texts or not pages:
|
||
log(f' warn {name}: atlas or page textures missing')
|
||
return 0
|
||
atlas = texts[0] if len(texts) == 1 else '\n\n'.join(t.strip('\n') for t in texts) + '\n'
|
||
names = atlas_pages(atlas)
|
||
if set(names) != set(pages):
|
||
if len(names) != 1 or len(pages) != 1:
|
||
log(f' warn {name}: atlas pages {names} do not match the textures {sorted(pages)}')
|
||
return 0
|
||
pages = {names[0]: next(iter(pages.values()))} # one page under another name: saved as the atlas names it
|
||
files = {f'{stem}.skel': _text_bytes(ta),
|
||
f'{stem}.atlas': normalize_atlas(atlas, {p: img.size for p, img in pages.items()}).encode('utf-8')}
|
||
out_dir = Path(out_root) / sub
|
||
out_dir.mkdir(parents=True, exist_ok=True)
|
||
for fname, blob in files.items():
|
||
(out_dir / fname).write_bytes(blob)
|
||
manifest.setdefault(sub, {})[fname] = {'path': f'/assets/local/{sub}/{fname}', 'kind': 'TextAsset'}
|
||
for fname, img in pages.items():
|
||
img.save(out_dir / fname)
|
||
manifest.setdefault(sub, {})[fname] = {'path': f'/assets/local/{sub}/{fname}', 'w': img.width, 'h': img.height,
|
||
'kind': 'Texture2D'}
|
||
return len(files) + len(pages)
|
||
|
||
|
||
def export_enemy_spines(ab_root, out_root, manifest, log, ids=None):
|
||
"""ENEMY_SPINES (or `ids`) from the enemy art bundles (each bundle loaded on its own; stops once every model was
|
||
found)."""
|
||
import aklz4 # noqa: F401 (registers the LZ4AK decoder)
|
||
import UnityPy
|
||
wanted, n = set(ENEMY_SPINES if ids is None else ids), 0
|
||
for f in sorted(Path(ab_root).glob(ENEMY_ART)):
|
||
if not wanted:
|
||
break
|
||
try:
|
||
env = UnityPy.load(str(f))
|
||
except Exception as e: # corrupt or unsupported bundle: report and continue
|
||
log(f'FAIL load {f.name}: {e}')
|
||
continue
|
||
objects = {o.path_id: o for o in env.objects}
|
||
for name, ref in env.container.items():
|
||
eid = enemy_spine_id(name, wanted)
|
||
if not eid:
|
||
continue
|
||
try:
|
||
k = write_spine(objects, ref.read_typetree(), f'{ENEMY_SPINE_SUB}/{eid}', eid, out_root, manifest, log)
|
||
except Exception as e:
|
||
log(f' warn {eid}: {e}')
|
||
continue
|
||
if k:
|
||
wanted.discard(eid)
|
||
n += k
|
||
log(f'{f.relative_to(ab_root).as_posix()}: {eid} -> {ENEMY_SPINE_SUB}/{eid} ({k} files)')
|
||
for eid in sorted(wanted):
|
||
log(f'skip (not found) enemy Spine {eid}')
|
||
return n
|
||
|
||
|
||
def export_token_spines(ab_root, out_root, manifest, log, ids=None):
|
||
"""TOKEN_SPINES (or `ids`) from the battle token packs: each token's prefab → the SkeletonDataAsset its Front / only
|
||
Spine renderer draws (pick_spine_node) → write_spine. Each pack is loaded on its own; stops once every model was
|
||
found."""
|
||
import aklz4 # noqa: F401 (registers the LZ4AK decoder)
|
||
import UnityPy
|
||
wanted, n = set(TOKEN_SPINES if ids is None else ids), 0
|
||
for f in sorted(Path(ab_root).glob(TOKEN_PACKS)):
|
||
if not wanted:
|
||
break
|
||
try:
|
||
env = UnityPy.load(str(f))
|
||
except Exception as e: # corrupt or unsupported bundle: report and continue
|
||
log(f'FAIL load {f.name}: {e}')
|
||
continue
|
||
objects = {o.path_id: o for o in env.objects}
|
||
for name, ref in env.container.items():
|
||
tid = token_prefab_id(name, wanted)
|
||
if not tid:
|
||
continue
|
||
sub = f'{TOKEN_SPINE_SUB}/{tid}'
|
||
try:
|
||
node = pick_spine_node(prefab_spine_nodes(ref.read_typetree(), objects))
|
||
sda = objects.get(node[2]['m_PathID']) if node and not node[2].get('m_FileID') else None
|
||
if sda is None:
|
||
log(f' warn {tid}: its prefab has no Spine renderer in this bundle')
|
||
continue
|
||
k = write_spine(objects, sda.read_typetree(), sub, tid, out_root, manifest, log)
|
||
except Exception as e:
|
||
log(f' warn {tid}: {e}')
|
||
continue
|
||
if k:
|
||
wanted.discard(tid)
|
||
n += k
|
||
log(f'{f.relative_to(ab_root).as_posix()}: {tid} ({node[0]}) -> {sub} ({k} files)')
|
||
for tid in sorted(wanted):
|
||
log(f'skip (not found) token Spine {tid}')
|
||
return n
|
||
|
||
|
||
def main():
|
||
ap = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
|
||
ap.add_argument('--game', help='AssetBundle root (…/StreamingAssets/AB/Windows or …/Documents/Bundles)')
|
||
ap.add_argument('--out', default=str(ROOT / 'public/assets/local'))
|
||
ap.add_argument('--manifest', default=str(ROOT / 'data/local-assets.json'))
|
||
ap.add_argument('--only', action='append', default=[], metavar='SUBDIR',
|
||
help='only run the jobs whose output subdir starts with this prefix (repeatable), e.g. emoticon')
|
||
ap.add_argument('--print-jobs', action='store_true', help='print the job table as JSON and exit')
|
||
ap.add_argument('--webp', action='store_true',
|
||
help='only write the WebP copies of the board textures from the PNGs already under --out and list '
|
||
'them in the manifest (needs Pillow, not the client)')
|
||
args = ap.parse_args()
|
||
|
||
if args.print_jobs:
|
||
jobs = [{'bundle': rel, 'sub': sub, 'kinds': sorted(kinds), 'keep': keep.pattern if keep else None}
|
||
for rel, sub, kinds, keep in map(job_parts, JOBS)]
|
||
derived = [{'sub': sub, 'from': src, 'derive': kind, 'name': name} for sub, src, kind, name in DERIVED]
|
||
webp = [{'sub': sub, 'name': name, 'mode': mode} for sub, name, mode in WEBP]
|
||
print(json.dumps({'emoteThemes': [{'themeId': t, 'dir': d} for t, d in EMOTE_THEMES], 'jobs': jobs,
|
||
'derived': derived, 'webp': webp,
|
||
'enemySpines': {'bundles': ENEMY_ART, 'sub': ENEMY_SPINE_SUB, 'ids': ENEMY_SPINES},
|
||
'tokenSpines': {'bundles': TOKEN_PACKS, 'sub': TOKEN_SPINE_SUB, 'ids': TOKEN_SPINES}},
|
||
ensure_ascii=False))
|
||
return 0
|
||
if args.webp:
|
||
return webp_only(Path(args.out), Path(args.manifest), print)
|
||
|
||
ab_root = Path(args.game) if args.game else next((p for p in CANDIDATES if p.exists()), None)
|
||
if not ab_root or not ab_root.exists():
|
||
print('No Arknights install found. Pass --game <AssetBundle root>.', file=sys.stderr)
|
||
return 2
|
||
jobs = select_jobs(args.only)
|
||
enemy_ids = spine_ids(args.only, ENEMY_SPINE_SUB, ENEMY_SPINES)
|
||
token_ids = spine_ids(args.only, TOKEN_SPINE_SUB, TOKEN_SPINES)
|
||
if not jobs and not enemy_ids and not token_ids:
|
||
print(f'--only {args.only}: no job matches', file=sys.stderr)
|
||
return 2
|
||
out_root = Path(args.out)
|
||
out_root.mkdir(parents=True, exist_ok=True)
|
||
manifest, total = {}, 0
|
||
print(f'AB root: {ab_root}')
|
||
for job in jobs:
|
||
total += export_bundle(ab_root, job, out_root, manifest, print)
|
||
if enemy_ids:
|
||
total += export_enemy_spines(ab_root, out_root, manifest, print, enemy_ids)
|
||
if token_ids:
|
||
total += export_token_spines(ab_root, out_root, manifest, print, token_ids)
|
||
old = {}
|
||
if args.only and Path(args.manifest).exists():
|
||
try:
|
||
old = json.loads(Path(args.manifest).read_text(encoding='utf-8')).get('groups') or {}
|
||
except (OSError, ValueError) as e:
|
||
print(f'warn: previous manifest unreadable ({e}); writing only the re-extracted groups', file=sys.stderr)
|
||
groups = merge_manifest(old, manifest, set(manifest)) # a missing bundle keeps its previous group
|
||
count = sum(len(v) for v in groups.values())
|
||
doc = {'version': 1, 'source': 'local-client', 'count': count, 'groups': groups}
|
||
Path(args.manifest).write_text(json.dumps(doc, ensure_ascii=False, separators=(',', ':')), encoding='utf-8')
|
||
print(f'done: {total} files extracted, manifest {args.manifest} ({count} entries)')
|
||
return 0 if total else 1
|
||
|
||
|
||
if __name__ == '__main__':
|
||
sys.exit(main())
|