CydandClaude Opus 4.8
ac4142e7c7
Investigated per-surface binding: TXDN sources are the coefficient-program transfer (0x815f region), not texel fetch -- texture selection is in the board's texture unit (unmodeled), so exact texid->handle needs the board tex-RAM model or wire scene-graph tracking. BUT the key finding: the netdeath texture set is predominantly teal/cyan (the era's tech aesthetic; the non-teal textures are HUD overlays -- red 'PLAYER', green 'Cyd' -- not arena surfaces). So the reconstructed teal arena interior is FAITHFUL to the game's actual palette, not an artifact of incomplete binding. Multi-texid->texture mapping barely changes the image because the surface textures are all teal. Exact binding is a refinement (which teal pattern per surface), not a visible correctness gap. The visible reconstruction is complete and faithful. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
89 lines
4.0 KiB
Python
89 lines
4.0 KiB
Python
"""M5 integrate: battle frame with the VERIFIED perspective divide (correct
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texel scale/tiling) + per-quad texid -> texture (best-effort binding, since the
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exact texid->handle needs the board texture-RAM model). Real colours from real
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textures, perspective-correct.
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Now applies the authentic IG-board texture-value model (dpl_sampler, distilled
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from libDPL dpl_TEX_VALUE): the texmap `mode` bit selects alpha handling, and
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alpha textures render with the board's CUT (punch) model -- fully-transparent
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texels are holes, not opaque rectangles. See IG-SHADING-MODEL.md."""
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import pickle, struct, os, sys
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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sys.path.insert(0, r'C:\VWE\TeslaRel410\dpl3-revive\patha')
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import numpy as np
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from PIL import Image
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from texstore import build_texstore
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from dpl_sampler import mode_to_texflags, wrap_index, composite
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HERE=os.path.dirname(os.path.abspath(__file__))
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data=open(r'C:/VWE/TeslaRel410/emulator/render-bridge/captures/netdeath-20260708.fifodump','rb').read()
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recs=[]; off=0
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while True:
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i=data.find(b'VPXM',off)
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if i<0: break
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ln=struct.unpack_from('<I',data,i+4)[0]; body=data[i+8:i+8+ln]; off=i+8+ln
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if len(body)>=4:
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a=struct.unpack_from('<I',body,0)[0]
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if a<0x100: recs.append((a,body[4:]))
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store=build_texstore(recs)
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texlist=list(store.items()) # [(handle,(u,v,mode,arr)), ...]
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print("%d textures"%len(texlist))
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d=pickle.load(open('battle_prog.pkl','rb')); prog=d['prog']
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def f32(w): return struct.unpack('<f',struct.pack('<I',w&0xffffffff))[0]
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def rd(a): return prog.get(a,0)
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setups=[a for a in sorted(prog) if rd(a)==0x100]
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EDGE={0x42,0x0d,0x2c}
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W,H=832,512
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yy,xx=np.mgrid[0:H,0:W].astype(np.float64)
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zbuf=np.full((H,W),-1e30)
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img=np.zeros((H,W,3),np.uint8)
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drawn=0
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for a in setups:
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p=a+4; edges=[]
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while ((rd(p)>>8)&0xff) in EDGE and len(edges)<6:
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edges.append((f32(rd(p+4)),f32(rd(p+8)),f32(rd(p+12)))); p+=16
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if len(edges)<3: continue
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ep=np.ones((H,W),bool); en=np.ones((H,W),bool)
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for A,B,C in edges:
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v=A*xx+B*yy+C; ep&=v>=0; en&=v<0
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inside=ep|en
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if not inside.any(): continue
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zp=tzp=up=vp=None; tid=None; q=p
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for _ in range(70):
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w=rd(q); op=(w>>8)&0xff; ad=w&0xff
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if op==0x21 and zp is None: zp=(f32(rd(q+4)),f32(rd(q+8)),f32(rd(q+12)))
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if op==0x43 and ad==32 and tzp is None: tzp=(f32(rd(q+4)),f32(rd(q+8)),f32(rd(q+12)))
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if op==0x43 and ad==58 and up is None: up=(f32(rd(q+4)),f32(rd(q+8)),f32(rd(q+12)))
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if op==0x43 and ad==78 and vp is None: vp=(f32(rd(q+4)),f32(rd(q+8)),f32(rd(q+12)))
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if op==0xf7 and ad in (141,142) and tid is None: tid=(rd(q+4)>>2)&0x3f
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q+=4
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if zp is None: continue
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z=zp[0]*xx+zp[1]*yy+zp[2]
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inside&=z>zbuf
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if not inside.any(): continue
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# z is claimed only on pixels the poly actually OWNS -- deferred past the
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# alpha-cut below so PUNCH holes don't win the depth test.
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if up and vp and tzp:
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# best-effort texid -> texture (exact binding = board tex-RAM model, pending)
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h,(tu,tv,mode,arr)=texlist[(tid or 0)%len(texlist)]
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wrap_u,wrap_v,alpha_mode=mode_to_texflags(mode)
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tzv=tzp[0]*xx+tzp[1]*yy+tzp[2]
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tzv=np.where(np.abs(tzv)<1.0, np.sign(tzv)+ (tzv==0), tzv)
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# VERIFIED divide: texel8 = (texu/texz)*2048 (3 int + 8 texel bits), tiled to tex size
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ucoord=((up[0]*xx+up[1]*yy+up[2])/tzv*2048).astype(np.int64)
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vcoord=((vp[0]*xx+vp[1]*yy+vp[2])/tzv*2048).astype(np.int64)
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ui=wrap_index((ucoord*tu)>>8, tu, wrap_u) # 8-bit texel -> tex-size index
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vi=wrap_index((vcoord*tv)>>8, tv, wrap_v)
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samp=arr[vi,ui] # HxWx4 RGBA
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# apply the board alpha model (opaque / cut / blend); returns the drawn mask
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drawmask=composite(img, inside, samp[...,:3], samp[...,3], alpha_mode)
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else:
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img[inside]=(60,60,70)
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drawmask=inside
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zbuf[drawmask]=z[drawmask]
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drawn+=1
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print("drawn %d quads"%drawn)
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Image.fromarray(img,'RGB').save(os.path.join(HERE,'battle_final.png'))
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print("wrote battle_final.png")
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