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Fix monster booted into limbo trying to act

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There's a chance that a tactics-using monster (eg. arch-lich)
teleporting next to you on a full level would get booted off
into limbo. After that, if the monster tried using an item
in the same action you'd get panic "relmon: mon not in list"

Fix this particular case by checking monster mstate.
Other cases may lurk in other places that eventually call mnexto.
This commit is contained in:
Pasi Kallinen
2020-04-07 17:23:23 +03:00
parent fd3c3181f5
commit 297eb934a7
1 changed files with 5 additions and 1 deletions
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src/monmove.c
+5 -1
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@@ -503,8 +503,12 @@ register struct monst *mtmp;
/* Monsters that want to acquire things */ /* Monsters that want to acquire things */
/* may teleport, so do it before inrange is set */ /* may teleport, so do it before inrange is set */
if (is_covetous(mdat)) if (is_covetous(mdat)) {
(void) tactics(mtmp); (void) tactics(mtmp);
/* tactics -> mnexto -> deal_with_overcrowding */
if (mtmp->mstate)
return 0;
}
/* check distance and scariness of attacks */ /* check distance and scariness of attacks */
distfleeck(mtmp, &inrange, &nearby, &scared); distfleeck(mtmp, &inrange, &nearby, &scared);