`GetSpellRecField` knew three names. Counting what the corpus actually
asks it for: `name` (4 sites), `school` (3), `stackAmount` (2),
`spellIconID` (2), then one each of `rank`, `rangeIndex`, `mechanic`,
`manaCost`, `effectMechanic`, `effectApplyAuraName`. Seven of those ten
answered nil, and each was a feature quietly off rather than an error —
DoiteAuras caps its stack display on `stackAmount`
(DoitePlayerAuras.lua:539) and SuperCleveRoidMacros classifies a
crowd-control effect off the two arrays (Utility.lua:7776-7794).
The eighty field names are the DLL's own, read off its pool in Spell.dbc
column order. The mapping to `SpellDisplay` lives in
`ui_script/spell_rec.rs`, beside the struct it reads — a copy on the VM
side would be free to drift — and `GetSpellRec(spellId)` is that same
field list walked through that same per-field reader, so the two verbs
cannot answer differently for one name. A test asserts exactly that,
key by key, over one row.
The array columns are a 1-based table of three, which is measured, not
guessed: SuperCleveRoidMacros walks `effectMechanic` as
`for i = 1, 3 do local em = effectMechanics[i]`. `totem`, `reagent` and
`reagentCount` take the same shape, two and eight long.
One new DBC column — `StackAmount`, 39, bracketed by two constants this
tree already had (38 ModalNextSpell, 40 Totem[0]). It is the only one
added: fifteen further names upstream answers are left nil rather than
putting fifteen unused u32s on a struct the spell catalog holds one of
per row. They are listed at `FIELDS` with that reason, so the gap is a
decision rather than an omission.
`GetSpellRecField`'s three string columns keep the spellbook fallback
the verb had before the probe, so a VM with a book and no catalog — a
capture, or the boot VM before the catalog loads — still answers a
learnt spell's name and rank. Every other column is a DBC row and has
nowhere else to come from, which is why the fallback is exactly three
names wide and says so.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SgstFWtn1RxEJ5kVrpgYwn