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re(challenge): the EX missions are a MODE, not a stage number

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Static-only (no emulator, no pad input). Three findings, each with its own
evidence:

- The disc holds exactly 29 StageResource records in three families --
  S01-S16 story, S18-S23 tutorial (all bg=Original), S24-S29 challenge, plus
  Test. That is 16 + 6 + 6 + 1, matching weapon.tbl's stage01..16 /
  tutorial01..06 / challenge01..06 key set exactly. S17 does not exist.
  GP_CHALLENGE.pak has 0 IDXD objects -- it is the menu screen; challenge
  missions reuse GP_MAIN_GAME_E.pak's records.

- The GamePart id table is at 0x820A1630 (29 ids). Indices are confirmed by
  the image's own RegisterToFactory<N, class silph::GamePart_*> text, not by
  position: GP_CHALLENGE = 26, GP_TUTORIAL = 25, GP_BUNK = 10.

- The stage loader selects its config section from a mission-KIND field at
  object+144: 3 -> EXTRA, 5|6 -> CHALLENGE, else FILE (two independent sites,
  0x82184df0 and 0x82185ed0; two more classify {3,5,6} as one group). The
  constructor sets it to 0 and every write inside the class only clears it,
  and no immediate 3/5/6 store to it exists image-wide -- so the kind is
  supplied by the launching GamePart, never derived from the stage number.

That last point is a mechanism (unproven) for why patching the save's stage
field to 27 kills the load: the record is a challenge stage but the kind stays
FILE. Names an untried, zero-cost discriminator -- try stage 18-23.

Also flagged, not resolved: roster_target says S10 (a STORY stage) still
fields an unharvested unit, which contradicts the "story campaign complete"
claim by one unit.
This commit is contained in:
Claude (auto-RE)
2026-08-13 18:59:52 +00:00
parent eac92c3e44
commit 10a96844ba
4 changed files with 335 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
docs/re/captures/challenge-map.txt Normal file
View File

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=== 1. StageResource records in GP_MAIN_GAME_E.pak ===
29 stage records
S01 bg=Lebendorf tokens=52
S02 bg=Lebendorf tokens=51
S03 bg=Planet_Lebendorf tokens=51
S04 bg=Lebendorf_far tokens=54
S05 bg=Lebendorf_far tokens=54
S06 bg=Hargenteen tokens=51
S07 bg=Hargenteen tokens=53
S08 bg=Barch tokens=59
S09 bg=Acheron tokens=53
S10 bg=Acheron tokens=53
S11 bg=Anastasis tokens=53
S12 bg=Hargenteen tokens=53
S13 bg=Hargenteen tokens=56
S14 bg=Earth tokens=59
S15 bg=Earth tokens=53
S16 bg=PD tokens=53
S18 bg=Original tokens=43
S19 bg=Original tokens=43
S20 bg=Original tokens=43
S21 bg=Original tokens=43
S22 bg=Original tokens=50
S23 bg=Original tokens=43
S24 bg=Anastasis tokens=53
S25 bg=Hargenteen tokens=53
S26 bg=Hargenteen tokens=53
S27 bg=Planet_Lebendorf tokens=53
S28 bg=Lebendorf tokens=54
S29 bg=Earth tokens=53
Test bg=Earth tokens=43
=== 2. GP_CHALLENGE.pak contents ===
151 entries, 0 IDXD objects
=== 3. tokens mentioning Challenge / EX across the main pak ===
033b5b7e pgmsg_challenge1.t32
033b5b7e pgmsg_challenge2.t32
033b5b7e pgmsg_challenge3.t32
033b5b7e pgmsg_challenge4.t32
033b5b7e pgmsg_challenge5.t32
033b5b7e pgmsg_challenge6.t32
35b8dc67 UN_e001_ADAN_Elan_EX4
35b8dc67 UN_e007_ADAN_Turret_EX4
35b8dc67 UN_e008_ADAN_TurretPlus_EX4
35b8dc67 UN_e010_ADAN_Attacker_S_EX4
35b8dc67 UN_e011_ADAN_Attacker_B_EX4
35b8dc67 UN_e107_ADAN_AAFrigate_EX4
35b8dc67 UN_f001_TCAF_DeltaSaber_T_EX5
35b8dc67 UN_f001_TCAF_DeltaSaber_T_EX5_el
35b8dc67 UN_f003_TCAF_ArrowHead_EX4
35b8dc67 UN_f003_TCAF_ArrowHead_EX5
35b8dc67 UN_f104_TCAF_Battleship_EX5
35b8dc67 UN_f105_TCAF_Cruiser_EX5
3c5b0549 UN_e107_ADAN_AAFrigate_EX4
3c5b0549 UN_f104_TCAF_Battleship_EX5
3c5b0549 UN_f105_TCAF_Cruiser_EX5
3c5b0549 UnitName_UN_e107_ADAN_AAFrigate_EX4
3c5b0549 UnitName_UN_f104_TCAF_Battleship_EX5
3c5b0549 UnitName_UN_f105_TCAF_Cruiser_EX5
3c5b0549 Weapon_TCAF_Ship_AAGun_EX5
3c9ae32e EnumWeapon_EX5.tbl
43faa517 UN_e001_ADAN_Elan_EX4
43faa517 UN_e007_ADAN_Turret_EX4
43faa517 UN_e008_ADAN_TurretPlus_EX4
43faa517 UN_e010_ADAN_Attacker_S_EX4
43faa517 UN_e011_ADAN_Attacker_B_EX4
43faa517 UN_f001_TCAF_DeltaSaber_T_EX5
43faa517 UN_f001_TCAF_DeltaSaber_T_EX5_el
43faa517 UN_f003_TCAF_ArrowHead_EX4
43faa517 UN_f003_TCAF_ArrowHead_EX5
43faa517 UnitName_UN_e001_ADAN_Elan_EX4
43faa517 UnitName_UN_e007_ADAN_Turret_EX4
43faa517 UnitName_UN_e008_ADAN_TurretPlus_EX4
43faa517 UnitName_UN_e010_ADAN_Attacker_S_EX4
43faa517 UnitName_UN_e011_ADAN_Attacker_B_EX4
43faa517 UnitName_UN_f001_TCAF_DeltaSaber_T_EX5
43faa517 UnitName_UN_f001_TCAF_DeltaSaber_T_EX5_el
43faa517 UnitName_UN_f003_TCAF_ArrowHead_EX4
43faa517 UnitName_UN_f003_TCAF_ArrowHead_EX5
659aff47 UN_e001_ADAN_Elan_EX4
659aff47 UN_e007_ADAN_Turret_EX4
659aff47 UN_e008_ADAN_TurretPlus_EX4
659aff47 UN_e010_ADAN_Attacker_S_EX4
659aff47 UN_e011_ADAN_Attacker_B_EX4
659aff47 UN_e107_ADAN_AAFrigate_EX4
659aff47 UN_f003_TCAF_ArrowHead_EX4
6ab4825a WeaponCannonName_TCAF_Ship_AAGun_EX5
6ab4825a Weapon_TCAF_Ship_AAGun_EX5
6b9b000d UN_f001_TCAF_DeltaSaber_T_EX5
6b9b000d UN_f001_TCAF_DeltaSaber_T_EX5_el
6b9b000d UN_f003_TCAF_ArrowHead_EX5
6b9b000d UN_f104_TCAF_Battleship_EX5
6b9b000d UN_f105_TCAF_Cruiser_EX5
ffbc19c2 Weapon_TCAF_Ship_AAGun_EX5
(59 distinct)