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fix(ui): night-round review — F3/F4/F7 cast-button tooltip strings

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F3: TS-85 had claimed the plain-spell branch's three SetTooltip format
strings were "genuine gmNoticeHandler vtable SLOTS" and unrecoverable
from the decomp dump. That was itself the artifact — Binary Ninja's
pseudo-C rendering of PStringBase::sprintf's second argument as
"&gmSpellcastingUI::`vftable'.RecvNotice_XXX" was a spurious symbol
match, not the true operand. A direct capstone disassembly of the raw
bytes at gmSpellcastingUI::UpdateCastButtonTooltip @0x004c6a30's four
call sites (0x4c6e48/0x4c6ea4/0x4c6f18/0x4c6f5d) resolves the actual
pushed literals: "CAST %hs" @0x7b63a4 (untargeted/self-cast, and
targeted+compatible with " on %s" @0x7b6464 appended), "You must
select an appropriate target for %hs" @0x7b6348 (incompatible target),
"You must select a target for %hs" @0x7b63b8 (no target). %hs is the
spell's own name throughout.

Added RuntimeSpellCastState.EvaluateCastGate (SpellCastGate: NoTarget-
Needed/TargetCompatible/TargetIncompatible/NoTargetSelected/Unknown),
refactoring IsTargetReady to use it, and wired
SpellcastingUiController.ComputeSpellCastState to the four-state
tooltip text, replacing the bare-spell-name fallback.

F4: the endowment branch's "USE the %s" (and both select-target
strings) vararg is NOT the bare item name — retail composes
"%s (%hs)" @0x7b64d8 (item name, spell name) once at @0x004c6bb6-ef
and reuses it for all three format strings, byte-confirmed by all
three sprintf call sites (0x4c6c7f/0x4c6ca4/0x4c6d46) reading the
identical stack slot. Added ComposeEndowmentName and wired it in place
of the bare item name.

F7: added test coverage for the two genuinely NEW disabled states
(needs-target, needs-appropriate-target) neither branch had any
coverage for before, plus the enabled untargeted/targeted-compatible
states and both endowment-branch composed-name cases.

Corrected the register's TS-85 row (the "cannot be recovered" claim
and the endowment operand claim) with the byte-decoded findings.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-08-17 04:39:17 +02:00
parent 353ae3bb0c
commit 4a24614fd1
4 changed files with 344 additions and 30 deletions
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