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Accurately track which items have been discovered, even if not #named

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This fixes a couple of bugs: a long-standing bug in which writing a
scroll by label could fail even if you've already seen a scroll with
that label (due to the game not tracking whether or not you've seen a
scroll if it doesn't have a name); and a somewhat newer bug in which
spellbooks auto-identified by Wizard knowledge were marked as having
been encountered (rather than as known but not encountered).

Breaks save file compatibility, but not bones files.
This commit is contained in:
Alex Smith
2025-11-25 22:42:38 +00:00
parent 10a5e67478
commit 8c29b20010
38 changed files with 155 additions and 122 deletions
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include/hack.h
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@@ -1527,7 +1527,7 @@ typedef uint32_t mmflags_nht; /* makemon MM_ flags */
(objects[(obj)->otyp].a_ac + (obj)->spe \
- min((int) greatest_erosion(obj), objects[(obj)->otyp].a_ac))
#define makeknown(x) discover_object((x), TRUE, TRUE)
#define makeknown(x) discover_object((x), TRUE, TRUE, TRUE)
#define distu(xx, yy) dist2((coordxy) (xx), (coordxy) (yy), u.ux, u.uy)
#define mdistu(mon) distu((mon)->mx, (mon)->my)
#define onlineu(xx, yy) online2((coordxy)(xx), (coordxy)(yy), u.ux, u.uy)