Project Sylpheed stores its UI/story text in IXUD entries as UTF-16LE,
interleaved `text, key` (a prose string immediately followed by the
identifier that names it). TextIndex::build(pak) scans a language pak's
IXUD entries and indexes every pair — 8457 English keys from
GP_MAIN_GAME_E: objectives, hints, lose conditions, character names,
and cutscene dialogue.
This makes the whole game read in English: the 16-mission campaign
(Repel the surprise attack → Shoot down Margras → the Prometheus Driver
finale), each mission's briefing, and the named cast (Katana, Raymond,
Ellen, Crichton, …) all resolve. API: get / objectives / lose_conditions
/ hints / character_name. 3 tests.
Examples: campaign / dossier print the readable campaign + cast.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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