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fix #K3317 - warning when eating corpse

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The report was misleading because the warning about partly eaten
food being more nutritious than untouched food was actually given
when the partly eaten corpse was used to calculate hit points of
the new monster as the corpse was reviving as a zombie, rather
than when a bite was taken from it.  Pull request #497 had correct
analysis and a fix, although I've put the fix in a different place.

Closes #497
This commit is contained in:
PatR
2021-05-01 18:36:46 -07:00
parent df6413228d
commit c0c7190f74
3 changed files with 30 additions and 8 deletions
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27
src/mkobj.c
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@@ -1,4 +1,4 @@
/* NetHack 3.7 mkobj.c $NHDT-Date: 1606343579 2020/11/25 22:32:59 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.191 $ */
/* NetHack 3.7 mkobj.c $NHDT-Date: 1619919403 2021/05/02 01:36:43 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.198 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Derek S. Ray, 2015. */
/* NetHack may be freely redistributed. See license for details. */
@@ -1060,7 +1060,7 @@ mksobj(int otyp, boolean init, boolean artif)
/*
* Several areas of the code made direct reassignments
* to obj->corpsenm. Because some special handling is
* to obj->corpsenm. Because some special handling is
* required in certain cases, place that handling here
* and call this routine in place of the direct assignment.
*
@@ -1079,18 +1079,35 @@ mksobj(int otyp, boolean init, boolean artif)
*
*/
void
set_corpsenm(struct obj* obj, int id)
set_corpsenm(struct obj *obj, int id)
{
int old_id = obj->corpsenm;
long when = 0L;
if (obj->timed) {
if (obj->otyp == EGG)
if (obj->otyp == EGG) {
when = stop_timer(HATCH_EGG, obj_to_any(obj));
else {
} else {
when = 0L;
obj_stop_timers(obj); /* corpse or figurine */
}
}
/* oeaten is used to determine how much nutrition is left in
multiple-bite food and also used to derive how many hit points
a creature resurrected from a partly eaten corpse gets; latter
is of interest when a <foo> corpse revives as a <foo> zombie
in case they are defined with different mons[].cnutrit values */
if (obj->otyp == CORPSE && obj->oeaten != 0
/* when oeaten is non-zero, index old_id can't be NON_PM
and divisor mons[old_id].cnutrit can't be zero */
&& mons[old_id].cnutrit != mons[id].cnutrit) {
/* oeaten and cnutrit are unsigned; theoretically that could
be 16 bits and the calculation might overflow, so force long */
obj->oeaten = (unsigned) ((long) obj->oeaten
* (long) mons[id].cnutrit
/ (long) mons[old_id].cnutrit);
}
obj->corpsenm = id;
switch (obj->otyp) {
case CORPSE: