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attack/damage by trapper and lurker above

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Change trappers and lurkers above to remove digestion damage.  They
fold themselves around rather than swallow the victim.  There were
are lot of places that assumed that an engulfer which is an animal
would swallow and digest the victim.  In hindsight, it might have
been simpler to take the M1_ANIMAL flag off of trappers and lurkers
above.

This adds a new digests() predicate for creatures with AT_ENGL+AD_DGST
(purple worm) and also enfolds() for AT_ENGL+AD_WRAP (both 't'-class
critters).

There are several minor fixes mixed in with this.  I didn't record
them as I went along but the two I remember are
1) if poly'd into a holder and holding on to a monster, the '<' and
   '>' commands refursed to work; release the held creature first
   and then treat those commands as normal;
2) throwing a non-weapon while engulfed by an ochre jelly reported
   "the <item> vanishes into the ochre jelly's /currents/".

This needs a lot more testing.  I found and fixed multiple minor
details before my own testing burned out.
This commit is contained in:
PatR
2022-08-15 04:14:36 -07:00
parent d0b11fd2c0
commit b07fe59b3c
25 changed files with 179 additions and 100 deletions
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29
src/insight.c
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@@ -1036,7 +1036,7 @@ status_enlightenment(int mode, int final)
}
if (u.uswallow) { /* implies u.ustuck is non-Null */
Snprintf(buf, sizeof buf, "%s by %s",
is_animal(u.ustuck->data) ? "swallowed" : "engulfed",
digests(u.ustuck->data) ? "swallowed" : "engulfed",
heldmon);
if (dmgtype(u.ustuck->data, AD_DGST)) {
/* if final, death via digestion can be deduced by u.uswallow
@@ -3023,13 +3023,26 @@ mstatusline(struct monst *mtmp)
: ", [? speed]");
if (mtmp->minvis)
Strcat(info, ", invisible");
if (mtmp == u.ustuck)
Strcat(info, sticks(g.youmonst.data) ? ", held by you"
: !u.uswallow ? ", holding you"
: attacktype_fordmg(u.ustuck->data, AT_ENGL, AD_DGST)
? ", digesting you"
: is_animal(u.ustuck->data) ? ", swallowing you"
: ", engulfing you");
if (mtmp == u.ustuck) {
struct permonst *pm = u.ustuck->data;
/* being swallowed/engulfed takes priority over sticks(youmonst);
this used to have that backwards and checked sticks() first */
Strcat(info, u.uswallow ? (digests(pm)
? ", digesting you"
/* note: the "swallowing you" case won't
happen because all animal engulfers
either digest their victims (purple
worm) or enfold them (trappers and
lurkers above) */
: (is_animal(pm) && !enfolds(pm))
? ", swallowing you"
: ", engulfing you")
/* !u.uswallow; if both youmonst and ustuck are holders,
youmonst wins */
: (!sticks(g.youmonst.data) ? ", holding you"
: ", held by you"));
}
if (mtmp == u.usteed) {
Strcat(info, ", carrying you");
if (Wounded_legs) {