Add prototype gameplay loop with character/battlefield assets and server game APIs.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
udx
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"""Recipe-driven character art production: same rig -> three clips -> visual prefab -> QA.
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Default is local cached production. --generate explicitly requests DGXA inference.
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Unity-managed assets are imported/authored only through Unity Pipeline.
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"""
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from __future__ import annotations
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import argparse
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import hashlib
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import json
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import os
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from pathlib import Path
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import re
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import shutil
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import subprocess
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import sys
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import time
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REPO=Path(__file__).resolve().parents[1]
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PROJECT=REPO/'AIClient'
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def sha(path):
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return hashlib.sha256(Path(path).read_bytes()).hexdigest()
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def resolve(path):
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result=(REPO/path).resolve()
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if not result.is_relative_to(REPO):
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raise ValueError(f'Path leaves repository: {path}')
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return result
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def recipe(path):
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r=json.loads(path.read_text(encoding='utf-8-sig'))
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if r.get('schemaVersion')!=1 or not re.fullmatch(r'[A-Za-z][A-Za-z0-9_]*',r['id']):
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raise ValueError('Unsupported schema / invalid actor id')
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if r['profile']!='biped_short':
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raise ValueError('This offline motion adapter supports biped_short. Add and validate a different anatomy adapter before using it.')
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r.setdefault('usage','enemy_visual')
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if r['usage'] not in ('enemy_visual','companion_visual'):
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raise ValueError('Unsupported character usage')
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r.setdefault('visualPrefab',r.get('enemyPrefab',''))
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r.setdefault('attackStyle','body_slam')
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if r['attackStyle'] not in ('body_slam','ranged_cast'):
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raise ValueError('Unsupported attack style')
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r.setdefault('attackEvent','OnCompanionAttackImpact' if r['usage']=='companion_visual' else 'OnEnemyAttackImpact')
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if not re.fullmatch(r'[A-Za-z][A-Za-z0-9_]*',r['attackEvent']):
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raise ValueError('Invalid attack event')
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if r.get('boneMappingReady') is False:
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raise ValueError('Inspect this character\'s generated rig and complete its bone mapping before production')
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if r['assetRoot']!=f"Assets/Bundles/Characters/{r['kind']}/{r['id']}":
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raise ValueError('assetRoot must match kind/id')
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for key in ('assetRoot','visualPrefab','staticPrefab','reviewScene'):
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if not r[key].startswith('Assets/Bundles/') or '..' in Path(r[key]).parts:
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raise ValueError(f'Invalid Unity asset path: {key}')
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for key in ('approvedMesh','rigSource','outputDir'):
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resolve(r[key])
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if not (.05<r['height']<20 and 0<r['walkStride']<r['height'] and 0<r['walkLift']<r['height']*.2):
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raise ValueError('Invalid dimensions/stride')
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if not 0<r['attackWindup']<r['attackImpact']<r['attackRecover']<1:
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raise ValueError('Invalid attack phase order')
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if not 0<=r.get('attackReach',0)<r['height']*.25:
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raise ValueError('Invalid attack reach')
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if not 0<r.get('walkSourceWeight',1)<=1:
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raise ValueError('Invalid Walk source weight')
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if {m['name'] for m in r['motions']}!={'Idle','Walk','Attack'} or len(r['motions'])!=3:
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raise ValueError('Exactly Idle, Walk and Attack required')
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for m in r['motions']:
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resolve(m['sourceDir'])
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if not m['prompt'].isascii() or ('jump' in m['prompt'].lower() and m['name']=='Walk'):
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raise ValueError('Use explicit English action captions; do not mix walk and jump')
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return r
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def unity(command,**kwargs):
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args=['unity','--json','command','--project-path',str(PROJECT),command]
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for k,v in kwargs.items():
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args.extend(['--'+k, json.dumps(v,ensure_ascii=False) if isinstance(v,(list,dict,bool)) else str(v)])
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proc=subprocess.run(args,cwd=REPO,capture_output=True,text=True,encoding='utf-8',errors='replace',timeout=180)
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if proc.returncode:
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raise RuntimeError(proc.stderr or proc.stdout)
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data=json.loads(proc.stdout)
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result=data.get('data',{}).get('result')
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if not data.get('success') or isinstance(result,dict) and result.get('success') is False:
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raise RuntimeError(json.dumps(data,ensure_ascii=False))
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return result
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def script(file,entry,args):
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result=unity('run_script',file='AgentScripts/'+file+'.cs',entry=entry,args=args)
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print(result.get('result',result),flush=True)
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return result
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def wait_editor(play_mode):
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deadline=time.monotonic()+60
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while time.monotonic()<deadline:
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try:
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state=unity('editor_status')
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if state['playMode']==play_mode and not state['compiling'] and not state.get('domainReloadInProgress'):
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return
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except RuntimeError:
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pass # Pipeline reconnects during the expected domain reload.
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time.sleep(.25)
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raise TimeoutError('Editor did not reach '+play_mode)
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def cached_sources(r):
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rig_hash=sha(resolve(r['rigSource']))
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receipts={}
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for m in r['motions']:
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folder=resolve(m['sourceDir']);receipt=folder/'motion_request.json'
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if not receipt.is_file() and (folder/'walk_request.json').is_file():
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receipt=folder/'walk_request.json'
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if not (folder/'animated.fbx').is_file() and m.get('cachedFbx'):
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# Only accept a cache whose accompanying source rig is byte-identical.
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if sha(resolve(m['cachedRig']))!=rig_hash:
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raise ValueError('Cached action was generated from another rig: '+m['name'])
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folder.mkdir(parents=True,exist_ok=True)
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shutil.copy2(resolve(m['cachedFbx']),folder/'animated.fbx')
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receipt=folder/'motion_request.json'
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receipt.write_text(json.dumps(dict(rig_sha256=rig_hash,motion=m['name'],
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prompt=m['cachedPrompt'],cache_original=m['cachedFbx'],cache_rig=m['cachedRig'],
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note='Existing same-rig generated seed. Offline authoring defines final action semantics.'),indent=2),encoding='utf-8')
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if not receipt.is_file() or not (folder/'animated.fbx').is_file():
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raise FileNotFoundError('Missing source motion/provenance: '+m['name'])
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record=json.loads(receipt.read_text(encoding='utf-8-sig'))
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if record['rig_sha256'].lower()!=rig_hash:
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raise ValueError('Motion rig hash mismatch: '+m['name'])
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if record.get('source_fbx_sha256') and record['source_fbx_sha256']!=sha(folder/'animated.fbx'):
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raise ValueError('Motion source FBX hash mismatch: '+m['name'])
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receipts[m['name']]=dict(source=str(folder/'animated.fbx'),sha256=sha(folder/'animated.fbx'),request=record)
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return receipts
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def main():
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parser=argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--recipe',type=Path,required=True)
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parser.add_argument('--generate',nargs='+',choices=('Idle','Walk','Attack'))
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parser.add_argument('--generation-device',choices=('cuda','cpu'),default='cuda')
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parser.add_argument('--build-review',action='store_true')
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parser.add_argument('--play-check',action='store_true',help='With --build-review, verify all states in actual Play Mode and return to Edit Mode')
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parser.add_argument('--validate-recipe',action='store_true')
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args=parser.parse_args()
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recipe_path=args.recipe.resolve();r=recipe(recipe_path)
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if args.validate_recipe:
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print('PASS recipe',r['id']);return
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if args.play_check and not args.build_review:
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parser.error('--play-check requires --build-review')
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unity('set_autotick',enable=True)
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status=unity('editor_status')
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if status['playMode']!='stopped':raise RuntimeError('Use Edit Mode')
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if args.generate:
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subprocess.run([sys.executable,str(REPO/'Tools/generate_enemy_motions.py'),'--recipe',str(recipe_path),'--device',args.generation_device,'--motions',*args.generate],cwd=REPO,check=True)
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sources=cached_sources(r)
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output=resolve(r['outputDir']);output.mkdir(parents=True,exist_ok=True)
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(output/'production_manifest.json').write_text(json.dumps(dict(schemaVersion=1,status='building',id=r['id'])),encoding='utf-8')
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blender=os.environ.get('BLENDER_EXE',r'D:\Tools\Blender\blender-5.0.0-windows-x64\blender.exe')
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rigged=output/(r['id']+'_Rigged.fbx')
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subprocess.run([blender,'-b','--factory-startup','--python',str(REPO/'Tools/model_tools/bl_transfer_skin.py'),'--',
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str(resolve(r['rigSource'])),str(resolve(r['approvedMesh'])),str(rigged),'--low-up',r['lowUp'],'--align-bounds',
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'--weight-overrides',str(recipe_path)],cwd=REPO,check=True)
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unity('import_asset',source=str(rigged),path=r['assetRoot']+'/Rigged/'+r['id']+'_Rigged.fbx',confirm=True)
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for name,record in sources.items():
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unity('import_asset',source=record['source'],path=r['assetRoot']+'/Anims/'+r['id']+'_'+name+'.fbx',confirm=True)
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script('SetupAnimalAnimator','SetupAnimalAnimator.Run',[r['kind'],r['id'],r['height'],False])
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script('FinalizeAnimalWalk','FinalizeAnimalWalk.RunFor',[r['assetRoot'],r['id'],r['height'],r['rootBone'],r['rightFoot'],r['leftFoot'],r['walkStride'],r['walkLift'],r['walkSeconds'],r['outputDir'],r.get('walkBindCalibration',False),r.get('walkSourceWeight',1)])
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relative=recipe_path.relative_to(REPO).as_posix()
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script('FinalizeEnemyMotions','FinalizeEnemyMotions.Run',[relative])
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script('VerifyEnemyMotions','VerifyEnemyMotions.Run',[relative])
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script('BuildEnemyReview','BuildEnemyReview.Publish',[relative])
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if args.build_review:
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script('BuildEnemyReview','BuildEnemyReview.Build',[relative])
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script('BuildEnemyReview','BuildEnemyReview.Capture',[relative])
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live_result=None
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if args.play_check:
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unity('editor_play')
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try:
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wait_editor('playing')
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live_result=script('VerifyEnemyMotions','VerifyEnemyMotions.Live',[relative])['result']
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prefix='CompanionReview_'+r['id'] if r['usage']=='companion_visual' else 'EnemyReview'
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role='companion' if r['usage']=='companion_visual' else 'enemy'
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unity('capture_game_view',camera=prefix+'Camera',width=1900,height=760,
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save_path='Assets/Screenshots/'+role+'_'+r['id'].lower()+'_play.png')
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finally:
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unity('editor_stop')
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wait_editor('stopped')
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(output/'play_verification.txt').write_text(live_result,encoding='utf-8')
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manifest=dict(schemaVersion=1,status='validated' if live_result else 'edit_validated',id=r['id'],usage=r['usage'],recipe=relative,
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approved_mesh_sha256=sha(resolve(r['approvedMesh'])),rig_sha256=sha(resolve(r['rigSource'])),
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sources=sources,rigged_fbx=str(rigged),visual_prefab=r['visualPrefab'],
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motions=['Idle','Walk','Attack'],controller=dict(Motion='0=Idle,1=Walk',Attack='Trigger, one shot'),
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attack_impact_seconds=r['attackSeconds']*r['attackImpact'],
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qa=dict(edit='passed',play=live_result or 'not_run'),
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report=str(output/'verification.txt'),generated_at_utc=time.strftime('%Y-%m-%dT%H:%M:%SZ',time.gmtime()))
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if r['usage']=='enemy_visual':manifest['enemy_prefab']=r['visualPrefab']
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(output/'production_manifest.json').write_text(json.dumps(manifest,ensure_ascii=False,indent=2),encoding='utf-8')
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print('PASS character production',r['visualPrefab'],flush=True)
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if __name__=='__main__':
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main()
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