skate-3-rust-engine/tools/asset_pipeline/native_roster.py

"""Publish owned retail Marquee models without autorigging or retargeting."""
import argparse, hashlib, json, os, shutil, struct, sys, tempfile
import xml.etree.ElementTree as ET
from pathlib import Path
import numpy as np
from PIL import Image, ImageChops
from tools.owned_game.big import BigArchive
from tools.extract_default_skater import import_rx2_parser, decode_texture
from tools.asset_pipeline.character_glb import Glb, convert
from tools.asset_pipeline.retail_character import RX2, decode_dense_morphs

# GetCACSettings 82590BE0..82590DBC, TU3: six named styles, Aggressive otherwise.
STYLES={'danny_way':'DannyWay','mike_carroll':'MikeCarroll','pj_ladd':'PJLadd',
        'jason_dill':'JasonDill','jerry_hsu':'JerryHsu','rob_dyrdek':'RobDyrdek'}
LABELS={'isaak':'Isaac Clarke (Dead Space)','steak':'Meat Man','dem_bones':'Dem Bones',
        'dr_pepper':'Dr Pepper Mascot','deerman':'Deerman of Dark Woods','pj_ladd':'PJ Ladd',
        'reda':'Giovanni Reda','attiba_jefferson':'Atiba Jefferson','cuz':'Cuz Parry'}

def finalize_glb(path):
    """Remove numerical perspective residue; retain native affine bind transforms."""
    data=path.read_bytes();length=struct.unpack_from('<I',data,12)[0]
    writer=Glb();writer.doc=json.loads(data[20:20+length]);writer.data=bytearray(data[28+length:])
    for node in writer.doc['nodes']:
        if 'matrix' in node:
            m=node['matrix']
            if max(abs(m[i]) for i in [3,7,11])+abs(m[15]-1)>1e-6:raise ValueError('Non-affine retail joint')
            for i in [3,7,11]:m[i]=0.
            m[15]=1.
    for skin in writer.doc['skins']:
        a=writer.doc['accessors'][skin['inverseBindMatrices']];v=writer.doc['bufferViews'][a['bufferView']]
        for j in range(a['count']):
            offset=v.get('byteOffset',0)+a.get('byteOffset',0)+j*64
            for i in [3,7,11]:struct.pack_into('<f',writer.data,offset+i*4,0.)
            struct.pack_into('<f',writer.data,offset+60,1.)
    for mesh in writer.doc['meshes']:
        for p in mesh['primitives']:
            for a in p['attributes'].values():writer.doc['bufferViews'][writer.doc['accessors'][a]['bufferView']]['target']=34962
            writer.doc['bufferViews'][writer.doc['accessors'][p['indices']]['bufferView']]['target']=34963
    temporary=path.with_suffix('.tmp');writer.save(temporary);os.replace(temporary,path)

def roster(rows):
    rows={r['key']:r for r in rows if r['class']=='characters_marquee'}
    result=[]
    for key,row in rows.items():
        chain=[]; node=row
        while node:
            if node['key'] in chain:raise ValueError('Cyclic character inheritance')
            chain.append(node['key']);node=rows.get(node['parent'])
        if not {'pro_skaters','ip'}.intersection(chain):continue
        recipe=row['fields'].get('Hash_6C9F05D8DBE7A492',{}).get('data','')
        if not recipe:continue
        result.append({'key':key,'recipe':recipe,'name':LABELS.get(key,key.replace('_',' ').title()),
                       'category':'Special' if 'ip' in chain else 'Pro',
                       'animation_style':STYLES.get(key,'Aggressive')})
    return sorted(result,key=lambda r:r['name'])

def prepare(game,assets,library,collections,work,only=None):
    archive=BigArchive(game/'data/content/marquee.big');entries={e.path.lower():e for e in archive.entries}
    work.mkdir(parents=True,exist_ok=True)
    parser=import_rx2_parser(Path(__file__).resolve().parents[1]/'vendor/utt')
    def extract(path):
        dest=work/'source'/path
        if not dest.exists():dest.parent.mkdir(parents=True,exist_ok=True);dest.write_bytes(archive.read(entries[path.lower()]))
        return dest
    def texture(tid):
        dest=work/'decoded'/(tid+'.png');dest.parent.mkdir(exist_ok=True)
        if not dest.exists():decode_texture(parser,extract('data/content/marquee/texture/0x'+tid+'.rx2'),dest)
        return dest
    records=roster(json.loads(collections.read_text())['collections']);report=[]
    for item in records:
        if only and item['key'] not in only:continue
        key=item['key'];recipe_name=item['recipe'];folder=work/key;models=folder/'models';mats=folder/'materials'
        models.mkdir(parents=True,exist_ok=True);mats.mkdir(exist_ok=True)
        identity=hashlib.sha256(('native-marquee-v1:'+key).encode()).hexdigest();target=library/'entries'/identity
        try:
            xml=extract('data/content/recipe/marquee/'+recipe_name+'.xml');root=ET.fromstring(xml.read_bytes())
            material_defs={m.attrib['id']:m for m in root.findall('mat')}
            recipe={'components':[],'morph_assembly':{'expected_targets':{},'face_targets':[]},'preset':{'body_mods':{}}}
            for component in root.findall('comp'):
                slot=component.attrib['n'];mods=component.findall('mod')
                if len(mods)!=1:raise ValueError('Ambiguous native component '+slot)
                lod=next(l for l in mods[0].findall('lod') if l.get('idx')=='0')
                raw=extract(f"data/content/marquee/model/{recipe_name}/{slot}/{lod.attrib['arenaid']}.rx2")
                dest=models/slot/raw.name;dest.parent.mkdir(exist_ok=True);shutil.copyfile(raw,dest)
                mid=lod.find('matinst/matvar').attrib['id'];mat=material_defs[mid]
                tex={s.attrib['chn']:s.attrib['id'].removeprefix('0x') for s in mat.findall('sp')}
                diffuse=Image.open(texture(tex['diffuse'])).convert('RGBA')
                if 'alpha' in tex:
                    alpha=Image.open(texture(tex['alpha'])).convert('RGB').getchannel('R');diffuse.putalpha(alpha)
                diffuse.save(mats/(slot+'_base_color.png'))
                if 'normal' in tex:
                    a=np.asarray(Image.open(texture(tex['normal'])).convert('RGBA'),dtype=float)
                    x=a[:,:,3]/127.5-1.;y=a[:,:,1]/127.5-1.;s=np.maximum(np.sqrt(x*x+y*y),1.);x/=s;y/=s
                    z=np.sqrt(np.maximum(0.,1.-x*x-y*y));Image.fromarray(np.rint((np.stack((x,y,z),2)*.5+.5)*255).astype('uint8')).save(mats/(slot+'_normal.png'))
                if 'specular' in tex:ImageChops.invert(Image.open(texture(tex['specular'])).convert('L')).save(mats/(slot+'_roughness.png'))
                parsed=RX2.parse_rx2(str(dest));mesh=next(m for m in parsed['meshes'] if m.get('positions') and m.get('indices'))
                morphs=decode_dense_morphs(dest,parsed,len(mesh['positions']),RX2)
                recipe['morph_assembly']['expected_targets'][slot]=[m['name'] for m in morphs]
                recipe['components'].append({'slot':slot,'tint':[1,1,1],'textures':tex,'alpha_mode':'MASK' if 'alpha' in tex else 'OPAQUE'})
            target.parent.mkdir(parents=True,exist_ok=True)
            if not target.exists():
                with tempfile.TemporaryDirectory(prefix='.native-',dir=library) as tmp:
                    stage=Path(tmp)/'entry';stage.mkdir()
                    convert(models,assets/'private',recipe,output=stage/'character.glb',materials=mats)
                    finalize_glb(stage/'character.glb')
                    sys.path.insert(0,str(Path(__file__).resolve().parents[1]/'mixamo_to_skate'))
                    from library_import import thumbnail
                    thumbnail(stage/'character.glb',stage/'preview.png')
                    metadata={'version':1,'id':identity,'name':item['name'],'native':item,
                              'source_recipe_sha256':hashlib.sha256(xml.read_bytes()).hexdigest()}
                    (stage/'manifest.json').write_text(json.dumps(metadata,indent=2))
                    (stage/'recipe.json').write_text(json.dumps(recipe,indent=2))
                    stage.rename(target)
            report.append({**item,'id':identity,'status':'ready'})
            print('READY',key,flush=True)
        except Exception as e:
            report.append({**item,'status':'error','error':str(e)});print('ERROR',key,str(e),flush=True)
    (work/'report.json').write_text(json.dumps(report,indent=2))
    return report

if __name__=='__main__':
    p=argparse.ArgumentParser();p.add_argument('--game',type=Path,required=True);p.add_argument('--assets',type=Path,required=True)
    p.add_argument('--library',type=Path,required=True);p.add_argument('--collections',type=Path,required=True);p.add_argument('--work',type=Path,required=True);p.add_argument('--only',nargs='*')
    a=p.parse_args();r=prepare(a.game,a.assets,a.library,a.collections,a.work,a.only)
    raise SystemExit(1 if any(x['status']=='error' for x in r) else 0)