AaronMYoung

    Node 659: min=(0.22910696268081665,0.028774574398994446,0.281888484954834) max=(0.0,0.0,0.0) left=0 right=0 prim=0 extra=434f4c3360000000
    Node 660: min=(9.184110135184851e-41,0.0,0.0) max=(0.0,0.0,0.0) left=1013 right=0 prim=813694976 extra=000080b27b21b53e
    Node 661: min=(-0.2296200543642044,-0.028774574398994446,-0.28229379653930664) max=(0.0,0.2296200543642044,0.028774574398994446) left=1049659600 right=0 prim=0 extra=0000000000000000
    Node 662: min=(0.0,0.0,4.7569539418645945e-08) max=(1.3452465257518244e-43,9.184110135184851e-41,0.0) left=0 right=0 prim=0 extra=00000000f6030000
    Node 663: min=(0.0,-1.210719347000122e-08,0.0) max=(0.567714273929596,-0.40520960092544556,-0.030437808483839035) left=-1093957694 right=0 prim=1053783970 extra=aa58f93cc287cb3e
    Node 664: min=(0.0,0.0,0.0) max=(0.0,0.0,0.0) left=860639043 right=96 prim=65540 extra=0000000000000000
    Node 665: min=(0.0,0.0,0.0) max=(1.4223179412896893e-42,-4.470348358154297e-08,9.313225746154785e-10) left=0 right=1051713001 

AaronMYoung

43) left=413 right=-1 prim=-1 extra=ee010000ffffffff
    Node 2016: min=(6.838336505905107e-43,6.1236742890994506e-43,nan) max=(6.221765181602188e-43,nan,nan) left=444 right=442 prim=443 extra=ffffffffbe010000
    Node 2017: min=(nan,6.1096613044562024e-43,6.950440383051093e-43) max=(6.235778166245436e-43,nan,nan) left=-1 right=495 prim=404 extra=c30100009e010000
    Node 2018: min=(nan,6.5300508437536476e-43,6.305843089461677e-43) max=(6.319856074104925e-43,nan,6.291830104818429e-43) left=450 right=-1 prim=448 extra=ffffffffd9010000
    Node 2019: min=(6.824323521261859e-43,6.4459729358941585e-43,5.731310719088502e-43) max=(4.9605965637098524e-43,6.473998905180655e-43,5.717297734445254e-43) left=-1 right=357 prim=456 extra=ffffffffc7010000
    Node 2020: min=(5.0446744715693415e-43,nan,nan) max=(nan,6.417946966607662e-43,6.403933981964414e-43) left=461 right=459 prim=458 extra=ffffffffffffffff
    Node 2021: min=(6.58610278232664e-43,6.866362475191604e-43,6.347882043391421e-43) max=(6.417946966607662e-43,6.6

AaronMYoung

    Node 597: min=(-2.5655195568767474e+38,8.134808338689646e-36,-2.5655197597008434e+38) max=(2.9859490078559117e-36,-1.8478473839334248e+38,2.9506970916978903e-36) left=-16055233 right=71238705 prim=-16055173 extra=3f04310442040bff
    Node 598: min=(1.1389085778924323e-37,-2.565678368143944e+38,1.1462555296889488e-37) max=(-2.56567857096804e+38,2.104327347908179e-36,-1.847847992405713e+38) left=70321203 right=-16055184 prim=69731440 extra=33040bff28047004
    Node 599: min=(-1.8478565110177464e+38,2.774357513581052e-36,-1.847843124627408e+38) max=(2.9389389195980056e-36,-1.847842921803312e+38,1.9867884954319527e-36) left=-16055254 right=69796906 prim=-16055250 extra=2304210428040bff
    Node 600: min=(1.9750204581908792e-36,-1.847843124627408e+38,1.8457173351638516e-36) max=(-1.8478417048587357e+38,8.135380158146192e-36,-2.56567857096804e+38) left=87622955 right=-12516052 prim=34603545 extra=18020bff0a020102
    Node 601: min=(-1.847732585495068e+38,1.116778712024429e-37,-1.8477340052637403e+38) max=(7.899

AaronMYoung

,-187463476794515959115611573412962500608.00,0.00) left=-15923162 right=136513572 prim=-15923170 extra=25081e081f080dff
 Node 3532: min=(0.00,-187463334817648733553918605782203498496.00,0.00) max=(-187463375382467940857259453676706070528.00,0.00,-187463355100058337205589029729454784512.00) left=136448027 right=-15923167 prim=136316953 extra=1f080dff1d081e08
 Node 3533: min=(-187463395664877544508929877623957356544.00,0.00,-187463294252829526250577757887700926464.00) max=(0.00,-187463334817648733553918605782203498496.00,0.00) left=-15923172 right=135923745 prim=-15923173 extra=1e081d0818080dff
 Node 3534: min=(0.00,-187463192840781507992225638151444496384.00,0.00) max=(-187463213123191111643896062098695782400.00,0.00,-187463273970419922598907333940449640448.00) left=135858194 right=-15923176 prim=135923731 extra=19080dff15081c08
 Node 3535: min=(-187463233405600715295566486045947068416.00,0.00,-187463213123191111643896062098695782400.00) max=(0.00,-187463050863914282430532670520685494272.00,0.00) left=-1592318

AaronMYoung

COL3`    
                     Õ    |·   5  °µ~AþOíÀÆØšÀ4—À    ¾Oí@ÈØš@(—@                        COL3`    
                     Ö     6  87  0µ!æÄA¸<¼Á•ëÀˆ7ÿ¿    ¼<¼A»•ë@|7ÿ?                        COL3`    
                     ×  *-À…Æ-A ø¯>­óÞ>"–BÀž,A€XÝ<    ¾Àl/A<
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                     Ø   €v·@.½  ¸µɉ?ê-¿ðо"†H¿    þ-?ê~¤>ô…H?                        COL3ð    
                     Ù   œ~¼@…-¼‚c¾¦­@À"¿6;á¿ ‰g¿    à-?"…Þ?à×?               ¿7;á¿€ÙQ¿    €˜ü=ÉÀ¿ _+>    9   À"¿ÐÀ¿ ‰g¿     –ü=ÐÂÝ?€„¾    9   "¿ý¼? ìQ¿    @Ø>ä„Þ? þ >    9    ^µ>"»à¿0cQ¿    °?"…Þ?°Ø?    9           COL3ð    
                     Ú   ‡
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                     Û         ¶    b÷öA$ØÁÚVÁÀLÔÀ    $ØAÐVAÀLÔ@                        COL3`   

AaronMYoung

Python 3.14.0 (tags/v3.14.0:ebf955d, Oct  7 2025, 10:15:03) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
...             header_end = offset + 8 + file_size
...             # Attempt to read AABB node count at end of block
...             try:
...                 # Rough guess: AABB nodes usually at the end of the block
...                 search_offset = offset + 8 + file_size - 4 - 36*max_nodes
...                 if search_offset < 0: search_offset = offset + 8
...                 for i in range(max_nodes):
...                     node_offset = search_offset + i*36

AaronMYoung

Python 3.14.0 (tags/v3.14.0:ebf955d, Oct  7 2025, 10:15:03) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
...
...                 # Sanity check: min should be less than max
...                 if min_x <= max_x and min_y <= max_y and min_z <= max_z:
...                     # Optional: ignore obvious garbage (e.g., huge coordinates)
...                     if all(-10000 < v < 10000 for v in (min_x, min_y, min_z, max_x, max_y, max_z)):
...                         found_nodes.append({
...                             "offset": offset,
...                             "min": (min_x, min_y, min_z),

AaronMYoung

Python 3.14.0 (tags/v3.14.0:ebf955d, Oct  7 2025, 10:15:03) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
...
...             # --- AABB Tree Nodes ---
...             # For simplicity, read until next object or EOF
...             # Each node: min(3f), max(3f), left(int), right(int), prim(int) = 36 bytes
...             # We'll read until we hit the next object or EOF
...             while True:
...                 node_data = f.read(36)
...                 if len(node_data) < 36:

AaronMYoung

Python 3.14.0 (tags/v3.14.0:ebf955d, Oct  7 2025, 10:15:03) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
...         "num_aabb_groups": len(groups),
...         "num_headers": len(headers),
...         "header_offsets": [h["offset"] for h in headers],
...     }
...
...     with open(output_meta, "w", encoding="utf-8") as f:
...         json.dump(meta, f, indent=2)
...

AaronMYoung

[
  {
    "offset": 0,
    "min": [
      4.7569539418645945e-08,
      1.3452465257518244e-43,
      9.184110135184851e-41
    ],
    "max": [
      0.0,