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Give a message when a monster is zapped with make invisible

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Every other case I'm aware of where a visible monster that the hero can
see turns invisible has some associated message, but not when zapping it
with the wand of make invisible and lacking see invisible. This adds a
message "[monster] vanishes!" in this case, which is the same as the
most common message one gets for zapping a monster with teleportation,
by design to keep the wand's identity ambiguous.

Technically, prior to this commit, there was a leak of information if
one zapped a wand that made a monster disappear: the identity of the
want could be determined immediately by the presence or absence of a
vanishing message. Practically, though, it was easy to check if there
was a new invisible monster in the same spot or not.

Also, zapping teleportation at a monster and having it land somewhere
visible to the hero now has attention explicitly drawn to it with a
message (in prior versions it didn't, so it could potentially be a
different monster appearing by some other means), so I additionally made
the wand of teleportation automatically identify itself when the hero
sees the monster appear as a result of their zap.
This commit is contained in:
copperwater
2023-03-28 20:03:03 -04:00
committed by Pasi Kallinen
parent 82fc66da0e
commit 886394c9c7
1 changed files with 8 additions and 0 deletions
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8
src/zap.c
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@@ -305,9 +305,11 @@ bhitm(struct monst *mtmp, struct obj *otmp)
if (disguised_mimic)
seemimic(mtmp);
reveal_invis = !u_teleport_mon(mtmp, TRUE);
learn_it = canspotmon(mtmp);
break;
case WAN_MAKE_INVISIBLE: {
int oldinvis = mtmp->minvis;
boolean couldsee = canseemon(mtmp);
char nambuf[BUFSZ];
if (disguised_mimic)
@@ -320,6 +322,12 @@ bhitm(struct monst *mtmp, struct obj *otmp)
reveal_invis = TRUE;
learn_it = TRUE;
}
else if (couldsee && !canseemon(mtmp)) {
/* keep the immediate effects of make invisible and teleportation
* ambiguous by using the same message that's used if we teleported
* mtmp (and it ended up somewhere you can't see) */
pline("%s vanishes!", nambuf);
}
break;
}
case WAN_LOCKING: