Source:NetHack 3.6.1/src/worn.c
Jump to navigation
Jump to search
Below is the full text to worn.c from the source code of NetHack 3.6.1. To link to a particular line, write [[Source:NetHack 3.6.1/src/worn.c#line123]], for example.
Contents
- 1 Top of file
- 2 setworn
- 3 setnotworn
- 4 wearslot
- 5 mon_set_minvis
- 6 mon_adjust_speed
- 7 update_mon_intrinsics
- 8 find_mac
- 9 m_dowear
- 10 m_dowear_type
- 11 which_armor
- 12 m_lose_armor
- 13 clear_bypasses
- 14 bypass_obj
- 15 bypass_objlist
- 16 nxt_unbypassed_obj
- 17 mon_break_armor
- 18 extra_pref
- 19 racial_exception
Top of file
/* NetHack 3.6 worn.c $NHDT-Date: 1496959481 2017/06/08 22:04:41 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.49 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Robert Patrick Rankin, 2013. */
/* NetHack may be freely redistributed. See license for details. */The NetHack General Public License applies to screenshots, source code and other content from NetHack.
This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.
#include "hack.h"
STATIC_DCL void FDECL(m_lose_armor, (struct monst *, struct obj *));
STATIC_DCL void FDECL(m_dowear_type,
(struct monst *, long, BOOLEAN_P, BOOLEAN_P));
STATIC_DCL int FDECL(extra_pref, (struct monst *, struct obj *));
const struct worn {
long w_mask;
struct obj **w_obj;
} worn[] = { { W_ARM, &uarm },
{ W_ARMC, &uarmc },
{ W_ARMH, &uarmh },
{ W_ARMS, &uarms },
{ W_ARMG, &uarmg },
{ W_ARMF, &uarmf },
{ W_ARMU, &uarmu },
{ W_RINGL, &uleft },
{ W_RINGR, &uright },
{ W_WEP, &uwep },
{ W_SWAPWEP, &uswapwep },
{ W_QUIVER, &uquiver },
{ W_AMUL, &uamul },
{ W_TOOL, &ublindf },
{ W_BALL, &uball },
{ W_CHAIN, &uchain },
{ 0, 0 } };
/* This only allows for one blocking item per property */
#define w_blocks(o, m) \
((o->otyp == MUMMY_WRAPPING && ((m) & W_ARMC)) \
? INVIS \
: (o->otyp == CORNUTHAUM && ((m) & W_ARMH) && !Role_if(PM_WIZARD)) \
? CLAIRVOYANT \
: 0)
/* note: monsters don't have clairvoyance, so your role
has no significant effect on their use of w_blocks() */
setworn
/* Updated to use the extrinsic and blocked fields. */
void
setworn(obj, mask)
register struct obj *obj;
long mask;
{
register const struct worn *wp;
register struct obj *oobj;
register int p;
if ((mask & (W_ARM | I_SPECIAL)) == (W_ARM | I_SPECIAL)) {
/* restoring saved game; no properties are conferred via skin */
uskin = obj;
/* assert( !uarm ); */
} else {
if ((mask & W_ARMOR))
u.uroleplay.nudist = FALSE;
for (wp = worn; wp->w_mask; wp++)
if (wp->w_mask & mask) {
oobj = *(wp->w_obj);
if (oobj && !(oobj->owornmask & wp->w_mask))
impossible("Setworn: mask = %ld.", wp->w_mask);
if (oobj) {
if (u.twoweap && (oobj->owornmask & (W_WEP | W_SWAPWEP)))
u.twoweap = 0;
oobj->owornmask &= ~wp->w_mask;
if (wp->w_mask & ~(W_SWAPWEP | W_QUIVER)) {
/* leave as "x = x <op> y", here and below, for broken
* compilers */
p = objects[oobj->otyp].oc_oprop;
u.uprops[p].extrinsic =
u.uprops[p].extrinsic & ~wp->w_mask;
if ((p = w_blocks(oobj, mask)) != 0)
u.uprops[p].blocked &= ~wp->w_mask;
if (oobj->oartifact)
set_artifact_intrinsic(oobj, 0, mask);
}
/* in case wearing or removal is in progress or removal
is pending (via 'A' command for multiple items) */
cancel_doff(oobj, wp->w_mask);
}
*(wp->w_obj) = obj;
if (obj) {
obj->owornmask |= wp->w_mask;
/* Prevent getting/blocking intrinsics from wielding
* potions, through the quiver, etc.
* Allow weapon-tools, too.
* wp_mask should be same as mask at this point.
*/
if (wp->w_mask & ~(W_SWAPWEP | W_QUIVER)) {
if (obj->oclass == WEAPON_CLASS || is_weptool(obj)
|| mask != W_WEP) {
p = objects[obj->otyp].oc_oprop;
u.uprops[p].extrinsic =
u.uprops[p].extrinsic | wp->w_mask;
if ((p = w_blocks(obj, mask)) != 0)
u.uprops[p].blocked |= wp->w_mask;
}
if (obj->oartifact)
set_artifact_intrinsic(obj, 1, mask);
}
}
}
}
update_inventory();
}
setnotworn
/* called e.g. when obj is destroyed */
/* Updated to use the extrinsic and blocked fields. */
void
setnotworn(obj)
register struct obj *obj;
{
register const struct worn *wp;
register int p;
if (!obj)
return;
if (obj == uwep || obj == uswapwep)
u.twoweap = 0;
for (wp = worn; wp->w_mask; wp++)
if (obj == *(wp->w_obj)) {
/* in case wearing or removal is in progress or removal
is pending (via 'A' command for multiple items) */
cancel_doff(obj, wp->w_mask);
*(wp->w_obj) = 0;
p = objects[obj->otyp].oc_oprop;
u.uprops[p].extrinsic = u.uprops[p].extrinsic & ~wp->w_mask;
obj->owornmask &= ~wp->w_mask;
if (obj->oartifact)
set_artifact_intrinsic(obj, 0, wp->w_mask);
if ((p = w_blocks(obj, wp->w_mask)) != 0)
u.uprops[p].blocked &= ~wp->w_mask;
}
update_inventory();
}
wearslot
/* return a bitmask of the equipment slot(s) a given item might be worn in */
long
wearslot(obj)
struct obj *obj;
{
int otyp = obj->otyp;
/* practically any item can be wielded or quivered; it's up to
our caller to handle such things--we assume "normal" usage */
long res = 0L; /* default: can't be worn anywhere */
switch (obj->oclass) {
case AMULET_CLASS:
res = W_AMUL; /* WORN_AMUL */
break;
case RING_CLASS:
res = W_RINGL | W_RINGR; /* W_RING, BOTH_SIDES */
break;
case ARMOR_CLASS:
switch (objects[otyp].oc_armcat) {
case ARM_SUIT:
res = W_ARM;
break; /* WORN_ARMOR */
case ARM_SHIELD:
res = W_ARMS;
break; /* WORN_SHIELD */
case ARM_HELM:
res = W_ARMH;
break; /* WORN_HELMET */
case ARM_GLOVES:
res = W_ARMG;
break; /* WORN_GLOVES */
case ARM_BOOTS:
res = W_ARMF;
break; /* WORN_BOOTS */
case ARM_CLOAK:
res = W_ARMC;
break; /* WORN_CLOAK */
case ARM_SHIRT:
res = W_ARMU;
break; /* WORN_SHIRT */
}
break;
case WEAPON_CLASS:
res = W_WEP | W_SWAPWEP;
if (objects[otyp].oc_merge)
res |= W_QUIVER;
break;
case TOOL_CLASS:
if (otyp == BLINDFOLD || otyp == TOWEL || otyp == LENSES)
res = W_TOOL; /* WORN_BLINDF */
else if (is_weptool(obj) || otyp == TIN_OPENER)
res = W_WEP | W_SWAPWEP;
else if (otyp == SADDLE)
res = W_SADDLE;
break;
case FOOD_CLASS:
if (obj->otyp == MEAT_RING)
res = W_RINGL | W_RINGR;
break;
case GEM_CLASS:
res = W_QUIVER;
break;
case BALL_CLASS:
res = W_BALL;
break;
case CHAIN_CLASS:
res = W_CHAIN;
break;
default:
break;
}
return res;
}
mon_set_minvis
void
mon_set_minvis(mon)
struct monst *mon;
{
mon->perminvis = 1;
if (!mon->invis_blkd) {
mon->minvis = 1;
newsym(mon->mx, mon->my); /* make it disappear */
if (mon->wormno)
see_wsegs(mon); /* and any tail too */
}
}
mon_adjust_speed
void
mon_adjust_speed(mon, adjust, obj)
struct monst *mon;
int adjust; /* positive => increase speed, negative => decrease */
struct obj *obj; /* item to make known if effect can be seen */
{
struct obj *otmp;
boolean give_msg = !in_mklev, petrify = FALSE;
unsigned int oldspeed = mon->mspeed;
switch (adjust) {
case 2:
mon->permspeed = MFAST;
give_msg = FALSE; /* special case monster creation */
break;
case 1:
if (mon->permspeed == MSLOW)
mon->permspeed = 0;
else
mon->permspeed = MFAST;
break;
case 0: /* just check for worn speed boots */
break;
case -1:
if (mon->permspeed == MFAST)
mon->permspeed = 0;
else
mon->permspeed = MSLOW;
break;
case -2:
mon->permspeed = MSLOW;
give_msg = FALSE; /* (not currently used) */
break;
case -3: /* petrification */
/* take away intrinsic speed but don't reduce normal speed */
if (mon->permspeed == MFAST)
mon->permspeed = 0;
petrify = TRUE;
break;
case -4: /* green slime */
if (mon->permspeed == MFAST)
mon->permspeed = 0;
give_msg = FALSE;
break;
}
for (otmp = mon->minvent; otmp; otmp = otmp->nobj)
if (otmp->owornmask && objects[otmp->otyp].oc_oprop == FAST)
break;
if (otmp) /* speed boots */
mon->mspeed = MFAST;
else
mon->mspeed = mon->permspeed;
/* no message if monster is immobile (temp or perm) or unseen */
if (give_msg && (mon->mspeed != oldspeed || petrify) && mon->data->mmove
&& !(mon->mfrozen || mon->msleeping) && canseemon(mon)) {
/* fast to slow (skipping intermediate state) or vice versa */
const char *howmuch =
(mon->mspeed + oldspeed == MFAST + MSLOW) ? "much " : "";
if (petrify) {
/* mimic the player's petrification countdown; "slowing down"
even if fast movement rate retained via worn speed boots */
if (flags.verbose)
pline("%s is slowing down.", Monnam(mon));
} else if (adjust > 0 || mon->mspeed == MFAST)
pline("%s is suddenly moving %sfaster.", Monnam(mon), howmuch);
else
pline("%s seems to be moving %sslower.", Monnam(mon), howmuch);
/* might discover an object if we see the speed change happen */
if (obj != 0)
learnwand(obj);
}
}
update_mon_intrinsics
/* armor put on or taken off; might be magical variety */
void
update_mon_intrinsics(mon, obj, on, silently)
struct monst *mon;
struct obj *obj;
boolean on, silently;
{
int unseen;
uchar mask;
struct obj *otmp;
int which = (int) objects[obj->otyp].oc_oprop;
unseen = !canseemon(mon);
if (!which)
goto maybe_blocks;
if (on) {
switch (which) {
case INVIS:
mon->minvis = !mon->invis_blkd;
break;
case FAST: {
boolean save_in_mklev = in_mklev;
if (silently)
in_mklev = TRUE;
mon_adjust_speed(mon, 0, obj);
in_mklev = save_in_mklev;
break;
}
/* properties handled elsewhere */
case ANTIMAGIC:
case REFLECTING:
break;
/* properties which have no effect for monsters */
case CLAIRVOYANT:
case STEALTH:
case TELEPAT:
break;
/* properties which should have an effect but aren't implemented */
case LEVITATION:
case WWALKING:
break;
/* properties which maybe should have an effect but don't */
case DISPLACED:
case FUMBLING:
case JUMPING:
case PROTECTION:
break;
default:
if (which <= 8) { /* 1 thru 8 correspond to MR_xxx mask values */
/* FIRE,COLD,SLEEP,DISINT,SHOCK,POISON,ACID,STONE */
mask = (uchar) (1 << (which - 1));
mon->mintrinsics |= (unsigned short) mask;
}
break;
}
} else { /* off */
switch (which) {
case INVIS:
mon->minvis = mon->perminvis;
break;
case FAST: {
boolean save_in_mklev = in_mklev;
if (silently)
in_mklev = TRUE;
mon_adjust_speed(mon, 0, obj);
in_mklev = save_in_mklev;
break;
}
case FIRE_RES:
case COLD_RES:
case SLEEP_RES:
case DISINT_RES:
case SHOCK_RES:
case POISON_RES:
case ACID_RES:
case STONE_RES:
mask = (uchar) (1 << (which - 1));
/* If the monster doesn't have this resistance intrinsically,
check whether any other worn item confers it. Note that
we don't currently check for anything conferred via simply
carrying an object. */
if (!(mon->data->mresists & mask)) {
for (otmp = mon->minvent; otmp; otmp = otmp->nobj)
if (otmp->owornmask
&& (int) objects[otmp->otyp].oc_oprop == which)
break;
if (!otmp)
mon->mintrinsics &= ~((unsigned short) mask);
}
break;
default:
break;
}
}
maybe_blocks:
/* obj->owornmask has been cleared by this point, so we can't use it.
However, since monsters don't wield armor, we don't have to guard
against that and can get away with a blanket worn-mask value. */
switch (w_blocks(obj, ~0L)) {
case INVIS:
mon->invis_blkd = on ? 1 : 0;
mon->minvis = on ? 0 : mon->perminvis;
break;
default:
break;
}
if (!on && mon == u.usteed && obj->otyp == SADDLE)
dismount_steed(DISMOUNT_FELL);
/* if couldn't see it but now can, or vice versa, update display */
if (!silently && (unseen ^ !canseemon(mon)))
newsym(mon->mx, mon->my);
}
find_mac
int
find_mac(mon)
register struct monst *mon;
{
register struct obj *obj;
int base = mon->data->ac;
long mwflags = mon->misc_worn_check;
for (obj = mon->minvent; obj; obj = obj->nobj) {
if (obj->owornmask & mwflags)
base -= ARM_BONUS(obj);
/* since ARM_BONUS is positive, subtracting it increases AC */
}
return base;
}
/*
* weapons are handled separately;
* rings and eyewear aren't used by monsters
*/
m_dowear
/* Wear the best object of each type that the monster has. During creation,
* the monster can put everything on at once; otherwise, wearing takes time.
* This doesn't affect monster searching for objects--a monster may very well
* search for objects it would not want to wear, because we don't want to
* check which_armor() each round.
*
* We'll let monsters put on shirts and/or suits under worn cloaks, but
* not shirts under worn suits. This is somewhat arbitrary, but it's
* too tedious to have them remove and later replace outer garments,
* and preventing suits under cloaks makes it a little bit too easy for
* players to influence what gets worn. Putting on a shirt underneath
* already worn body armor is too obviously buggy...
*/
void
m_dowear(mon, creation)
register struct monst *mon;
boolean creation;
{
#define RACE_EXCEPTION TRUE
/* Note the restrictions here are the same as in dowear in do_wear.c
* except for the additional restriction on intelligence. (Players
* are always intelligent, even if polymorphed).
*/
if (verysmall(mon->data) || nohands(mon->data) || is_animal(mon->data))
return;
/* give mummies a chance to wear their wrappings
* and let skeletons wear their initial armor */
if (mindless(mon->data)
&& (!creation || (mon->data->mlet != S_MUMMY
&& mon->data != &mons[PM_SKELETON])))
return;
m_dowear_type(mon, W_AMUL, creation, FALSE);
/* can't put on shirt if already wearing suit */
if (!cantweararm(mon->data) && !(mon->misc_worn_check & W_ARM))
m_dowear_type(mon, W_ARMU, creation, FALSE);
/* treating small as a special case allows
hobbits, gnomes, and kobolds to wear cloaks */
if (!cantweararm(mon->data) || mon->data->msize == MZ_SMALL)
m_dowear_type(mon, W_ARMC, creation, FALSE);
m_dowear_type(mon, W_ARMH, creation, FALSE);
if (!MON_WEP(mon) || !bimanual(MON_WEP(mon)))
m_dowear_type(mon, W_ARMS, creation, FALSE);
m_dowear_type(mon, W_ARMG, creation, FALSE);
if (!slithy(mon->data) && mon->data->mlet != S_CENTAUR)
m_dowear_type(mon, W_ARMF, creation, FALSE);
if (!cantweararm(mon->data))
m_dowear_type(mon, W_ARM, creation, FALSE);
else
m_dowear_type(mon, W_ARM, creation, RACE_EXCEPTION);
}
m_dowear_type
STATIC_OVL void
m_dowear_type(mon, flag, creation, racialexception)
struct monst *mon;
long flag;
boolean creation;
boolean racialexception;
{
struct obj *old, *best, *obj;
int m_delay = 0;
int unseen = !canseemon(mon);
boolean autocurse;
char nambuf[BUFSZ];
if (mon->mfrozen)
return; /* probably putting previous item on */
/* Get a copy of monster's name before altering its visibility */
Strcpy(nambuf, See_invisible ? Monnam(mon) : mon_nam(mon));
old = which_armor(mon, flag);
if (old && old->cursed)
return;
if (old && flag == W_AMUL)
return; /* no such thing as better amulets */
best = old;
for (obj = mon->minvent; obj; obj = obj->nobj) {
switch (flag) {
case W_AMUL:
if (obj->oclass != AMULET_CLASS
|| (obj->otyp != AMULET_OF_LIFE_SAVING
&& obj->otyp != AMULET_OF_REFLECTION))
continue;
best = obj;
goto outer_break; /* no such thing as better amulets */
case W_ARMU:
if (!is_shirt(obj))
continue;
break;
case W_ARMC:
if (!is_cloak(obj))
continue;
break;
case W_ARMH:
if (!is_helmet(obj))
continue;
/* changing alignment is not implemented for monsters;
priests and minions could change alignment but wouldn't
want to, so they reject helms of opposite alignment */
if (obj->otyp == HELM_OF_OPPOSITE_ALIGNMENT
&& (mon->ispriest || mon->isminion))
continue;
/* (flimsy exception matches polyself handling) */
if (has_horns(mon->data) && !is_flimsy(obj))
continue;
break;
case W_ARMS:
if (!is_shield(obj))
continue;
break;
case W_ARMG:
if (!is_gloves(obj))
continue;
break;
case W_ARMF:
if (!is_boots(obj))
continue;
break;
case W_ARM:
if (!is_suit(obj))
continue;
if (racialexception && (racial_exception(mon, obj) < 1))
continue;
break;
}
if (obj->owornmask)
continue;
/* I'd like to define a VISIBLE_ARM_BONUS which doesn't assume the
* monster knows obj->spe, but if I did that, a monster would keep
* switching forever between two -2 caps since when it took off one
* it would forget spe and once again think the object is better
* than what it already has.
*/
if (best && (ARM_BONUS(best) + extra_pref(mon, best)
>= ARM_BONUS(obj) + extra_pref(mon, obj)))
continue;
best = obj;
}
outer_break:
if (!best || best == old)
return;
/* same auto-cursing behavior as for hero */
autocurse = ((best->otyp == HELM_OF_OPPOSITE_ALIGNMENT
|| best->otyp == DUNCE_CAP) && !best->cursed);
/* if wearing a cloak, account for the time spent removing
and re-wearing it when putting on a suit or shirt */
if ((flag == W_ARM || flag == W_ARMU) && (mon->misc_worn_check & W_ARMC))
m_delay += 2;
/* when upgrading a piece of armor, account for time spent
taking off current one */
if (old)
m_delay += objects[old->otyp].oc_delay;
if (old) /* do this first to avoid "(being worn)" */
old->owornmask = 0L;
if (!creation) {
if (canseemon(mon)) {
char buf[BUFSZ];
if (old)
Sprintf(buf, " removes %s and", distant_name(old, doname));
else
buf[0] = '\0';
pline("%s%s puts on %s.", Monnam(mon), buf,
distant_name(best, doname));
if (autocurse)
pline("%s %s %s %s for a moment.", s_suffix(Monnam(mon)),
simpleonames(best), otense(best, "glow"),
hcolor(NH_BLACK));
} /* can see it */
m_delay += objects[best->otyp].oc_delay;
mon->mfrozen = m_delay;
if (mon->mfrozen)
mon->mcanmove = 0;
}
if (old)
update_mon_intrinsics(mon, old, FALSE, creation);
mon->misc_worn_check |= flag;
best->owornmask |= flag;
if (autocurse)
curse(best);
update_mon_intrinsics(mon, best, TRUE, creation);
/* if couldn't see it but now can, or vice versa, */
if (!creation && (unseen ^ !canseemon(mon))) {
if (mon->minvis && !See_invisible) {
pline("Suddenly you cannot see %s.", nambuf);
makeknown(best->otyp);
} /* else if (!mon->minvis) pline("%s suddenly appears!",
Amonnam(mon)); */
}
}
#undef RACE_EXCEPTION
which_armor
struct obj *
which_armor(mon, flag)
struct monst *mon;
long flag;
{
if (mon == &youmonst) {
switch (flag) {
case W_ARM:
return uarm;
case W_ARMC:
return uarmc;
case W_ARMH:
return uarmh;
case W_ARMS:
return uarms;
case W_ARMG:
return uarmg;
case W_ARMF:
return uarmf;
case W_ARMU:
return uarmu;
default:
impossible("bad flag in which_armor");
return 0;
}
} else {
register struct obj *obj;
for (obj = mon->minvent; obj; obj = obj->nobj)
if (obj->owornmask & flag)
return obj;
return (struct obj *) 0;
}
}
m_lose_armor
/* remove an item of armor and then drop it */
STATIC_OVL void
m_lose_armor(mon, obj)
struct monst *mon;
struct obj *obj;
{
mon->misc_worn_check &= ~obj->owornmask;
if (obj->owornmask)
update_mon_intrinsics(mon, obj, FALSE, FALSE);
obj->owornmask = 0L;
obj_extract_self(obj);
place_object(obj, mon->mx, mon->my);
/* call stackobj() if we ever drop anything that can merge */
newsym(mon->mx, mon->my);
}
clear_bypasses
/* all objects with their bypass bit set should now be reset to normal */
void
clear_bypasses()
{
struct obj *otmp, *nobj;
struct monst *mtmp;
for (otmp = fobj; otmp; otmp = nobj) {
nobj = otmp->nobj;
if (otmp->bypass) {
otmp->bypass = 0;
/* bypass will have inhibited any stacking, but since it's
* used for polymorph handling, the objects here probably
* have been transformed and won't be stacked in the usual
* manner afterwards; so don't bother with this.
* [Changing the fobj chain mid-traversal would also be risky.]
*/
#if 0
if (objects[otmp->otyp].oc_merge) {
xchar ox, oy;
(void) get_obj_location(otmp, &ox, &oy, 0);
stack_object(otmp);
newsym(ox, oy);
}
#endif /*0*/
}
}
for (otmp = invent; otmp; otmp = otmp->nobj)
otmp->bypass = 0;
for (otmp = migrating_objs; otmp; otmp = otmp->nobj)
otmp->bypass = 0;
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
if (DEADMONSTER(mtmp))
continue;
for (otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
otmp->bypass = 0;
}
for (mtmp = migrating_mons; mtmp; mtmp = mtmp->nmon) {
for (otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
otmp->bypass = 0;
}
/* billobjs and mydogs chains don't matter here */
context.bypasses = FALSE;
}
bypass_obj
void
bypass_obj(obj)
struct obj *obj;
{
obj->bypass = 1;
context.bypasses = TRUE;
}
bypass_objlist
/* set or clear the bypass bit in a list of objects */
void
bypass_objlist(objchain, on)
struct obj *objchain;
boolean on; /* TRUE => set, FALSE => clear */
{
if (on && objchain)
context.bypasses = TRUE;
while (objchain) {
objchain->bypass = on ? 1 : 0;
objchain = objchain->nobj;
}
}
nxt_unbypassed_obj
/* return the first object without its bypass bit set; set that bit
before returning so that successive calls will find further objects */
struct obj *
nxt_unbypassed_obj(objchain)
struct obj *objchain;
{
while (objchain) {
if (!objchain->bypass) {
bypass_obj(objchain);
break;
}
objchain = objchain->nobj;
}
return objchain;
}
mon_break_armor
void
mon_break_armor(mon, polyspot)
struct monst *mon;
boolean polyspot;
{
register struct obj *otmp;
struct permonst *mdat = mon->data;
boolean vis = cansee(mon->mx, mon->my);
boolean handless_or_tiny = (nohands(mdat) || verysmall(mdat));
const char *pronoun = mhim(mon), *ppronoun = mhis(mon);
if (breakarm(mdat)) {
if ((otmp = which_armor(mon, W_ARM)) != 0) {
if ((Is_dragon_scales(otmp) && mdat == Dragon_scales_to_pm(otmp))
|| (Is_dragon_mail(otmp) && mdat == Dragon_mail_to_pm(otmp)))
; /* no message here;
"the dragon merges with his scaly armor" is odd
and the monster's previous form is already gone */
else if (vis)
pline("%s breaks out of %s armor!", Monnam(mon), ppronoun);
else
You_hear("a cracking sound.");
m_useup(mon, otmp);
}
if ((otmp = which_armor(mon, W_ARMC)) != 0) {
if (otmp->oartifact) {
if (vis)
pline("%s %s falls off!", s_suffix(Monnam(mon)),
cloak_simple_name(otmp));
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
} else {
if (vis)
pline("%s %s tears apart!", s_suffix(Monnam(mon)),
cloak_simple_name(otmp));
else
You_hear("a ripping sound.");
m_useup(mon, otmp);
}
}
if ((otmp = which_armor(mon, W_ARMU)) != 0) {
if (vis)
pline("%s shirt rips to shreds!", s_suffix(Monnam(mon)));
else
You_hear("a ripping sound.");
m_useup(mon, otmp);
}
} else if (sliparm(mdat)) {
if ((otmp = which_armor(mon, W_ARM)) != 0) {
if (vis)
pline("%s armor falls around %s!", s_suffix(Monnam(mon)),
pronoun);
else
You_hear("a thud.");
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
if ((otmp = which_armor(mon, W_ARMC)) != 0) {
if (vis) {
if (is_whirly(mon->data))
pline("%s %s falls, unsupported!", s_suffix(Monnam(mon)),
cloak_simple_name(otmp));
else
pline("%s shrinks out of %s %s!", Monnam(mon), ppronoun,
cloak_simple_name(otmp));
}
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
if ((otmp = which_armor(mon, W_ARMU)) != 0) {
if (vis) {
if (sliparm(mon->data))
pline("%s seeps right through %s shirt!", Monnam(mon),
ppronoun);
else
pline("%s becomes much too small for %s shirt!",
Monnam(mon), ppronoun);
}
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
}
if (handless_or_tiny) {
/* [caller needs to handle weapon checks] */
if ((otmp = which_armor(mon, W_ARMG)) != 0) {
if (vis)
pline("%s drops %s gloves%s!", Monnam(mon), ppronoun,
MON_WEP(mon) ? " and weapon" : "");
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
if ((otmp = which_armor(mon, W_ARMS)) != 0) {
if (vis)
pline("%s can no longer hold %s shield!", Monnam(mon),
ppronoun);
else
You_hear("a clank.");
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
}
if (handless_or_tiny || has_horns(mdat)) {
if ((otmp = which_armor(mon, W_ARMH)) != 0
/* flimsy test for horns matches polyself handling */
&& (handless_or_tiny || !is_flimsy(otmp))) {
if (vis)
pline("%s helmet falls to the %s!", s_suffix(Monnam(mon)),
surface(mon->mx, mon->my));
else
You_hear("a clank.");
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
}
if (handless_or_tiny || slithy(mdat) || mdat->mlet == S_CENTAUR) {
if ((otmp = which_armor(mon, W_ARMF)) != 0) {
if (vis) {
if (is_whirly(mon->data))
pline("%s boots fall away!", s_suffix(Monnam(mon)));
else
pline("%s boots %s off %s feet!", s_suffix(Monnam(mon)),
verysmall(mdat) ? "slide" : "are pushed", ppronoun);
}
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
}
}
if (!can_saddle(mon)) {
if ((otmp = which_armor(mon, W_SADDLE)) != 0) {
if (polyspot)
bypass_obj(otmp);
m_lose_armor(mon, otmp);
if (vis)
pline("%s saddle falls off.", s_suffix(Monnam(mon)));
}
if (mon == u.usteed)
goto noride;
} else if (mon == u.usteed && !can_ride(mon)) {
noride:
You("can no longer ride %s.", mon_nam(mon));
if (touch_petrifies(u.usteed->data) && !Stone_resistance && rnl(3)) {
char buf[BUFSZ];
You("touch %s.", mon_nam(u.usteed));
Sprintf(buf, "falling off %s", an(u.usteed->data->mname));
instapetrify(buf);
}
dismount_steed(DISMOUNT_FELL);
}
return;
}
extra_pref
/* bias a monster's preferences towards armor that has special benefits. */
STATIC_OVL int
extra_pref(mon, obj)
struct monst *mon;
struct obj *obj;
{
/* currently only does speed boots, but might be expanded if monsters
* get to use more armor abilities
*/
if (obj) {
if (obj->otyp == SPEED_BOOTS && mon->permspeed != MFAST)
return 20;
}
return 0;
}
racial_exception
/*
* Exceptions to things based on race.
* Correctly checks polymorphed player race.
* Returns:
* 0 No exception, normal rules apply.
* 1 If the race/object combination is acceptable.
* -1 If the race/object combination is unacceptable.
*/
int
racial_exception(mon, obj)
struct monst *mon;
struct obj *obj;
{
const struct permonst *ptr = raceptr(mon);
/* Acceptable Exceptions: */
/* Allow hobbits to wear elven armor - LoTR */
if (ptr == &mons[PM_HOBBIT] && is_elven_armor(obj))
return 1;
/* Unacceptable Exceptions: */
/* Checks for object that certain races should never use go here */
/* return -1; */
return 0;
}
/*worn.c*/