/* Check whether the location has an outdated object displayed on it. */
static boolean
check_map_spot(int x, int y, char oclass, unsigned material)
{
int memobj;
struct obj *otmp;
struct monst *mtmp;
memobj = level->locations[x][y].mem_obj;
if (memobj) {
/* there's some object shown here */
if (oclass == ALL_CLASSES) {
return (!(level->objects[x][y] || /* stale if nothing here */
((mtmp = m_at(level, x, y)) != 0 && mtmp->minvent)));
} else {
if (material && objects[memobj - 1].oc_material == material) {
/* the object shown here is of interest because material
matches */
for (otmp = level->objects[x][y]; otmp; otmp = otmp->nexthere)
if (o_material(otmp, GOLD))
return FALSE;
/* didn't find it; perhaps a monster is carrying it */
if ((mtmp = m_at(level, x, y)) != 0) {
for (otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
if (o_material(otmp, GOLD))
return FALSE;
}
/* detection indicates removal of this object from the map */
return TRUE;
}
if (oclass && objects[memobj - 1].oc_class == oclass) {
/* the object shown here is of interest because its class
matches */
for (otmp = level->objects[x][y]; otmp; otmp = otmp->nexthere)
if (o_in(otmp, oclass))
return FALSE;
/* didn't find it; perhaps a monster is carrying it */
if ((mtmp = m_at(level, x, y)) != 0) {
for (otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
if (o_in(otmp, oclass))
return FALSE;
}
/* detection indicates removal of this object from the map */
return TRUE;
}
}
}
return FALSE;
}
/* Recursively search obj for an object in class oclass and return 1st found */
static struct obj *o_in(struct obj *obj, char oclass)
{
struct obj *otmp;
struct obj *temp;
if (obj->oclass == oclass) return obj;
if (Has_contents(obj)) {
for (otmp = obj->cobj; otmp; otmp = otmp->nobj)
if (otmp->oclass == oclass) return otmp;
else if (Has_contents(otmp) && (temp = o_in(otmp, oclass)))
return temp;
}
return NULL;
}
/* returns 0 if something was detected */
int food_detect(struct obj *sobj, boolean *scr_known)
{
struct obj *obj;
struct monst *mtmp;
int ct = 0, ctu = 0;
boolean confused = (Confusion || (sobj && sobj->cursed)), stale;
char oclass = confused ? POTION_CLASS : FOOD_CLASS;
const char *what = confused ? "something" : "food";
int uw = u.uinwater;
stale = clear_stale_map(oclass, 0);
for (obj = level->objlist; obj; obj = obj->nobj)
if (o_in(obj, oclass)) {
if (obj->ox == u.ux && obj->oy == u.uy) ctu++;
else ct++;
}
for (mtmp = level->monlist; mtmp && !ct; mtmp = mtmp->nmon) {
/* no DEADMONSTER(mtmp) check needed since dmons never have inventory */
for (obj = mtmp->minvent; obj; obj = obj->nobj)
if (o_in(obj, oclass)) {
ct++;
break;
}
}
if (!ct && !ctu) {
*scr_known = stale && !confused;
if (stale) {
doredraw();
pline("You sense a lack of %s nearby.", what);
if (sobj && sobj->blessed) {
if (!u.uedibility) pline("Your %s starts to tingle.", body_part(NOSE));
u.uedibility = 1;
}
} else if (sobj) {
char buf[BUFSZ];
sprintf(buf, "Your %s twitches%s.", body_part(NOSE),
(sobj->blessed && !u.uedibility) ? " then starts to tingle" : "");
if (sobj->blessed && !u.uedibility) {
boolean savebeginner = flags.beginner; /* prevent non-delivery of */
flags.beginner = FALSE; /* message */
strange_feeling(sobj, buf);
flags.beginner = savebeginner;
u.uedibility = 1;
} else
strange_feeling(sobj, buf);
}
return !stale;
} else if (!ct) {
*scr_known = TRUE;
pline("You %s %s nearby.", sobj ? "smell" : "sense", what);
if (sobj && sobj->blessed) {
if (!u.uedibility) pline("Your %s starts to tingle.", body_part(NOSE));
u.uedibility = 1;
}
} else {
struct obj *temp;
*scr_known = TRUE;
cls();
u.uinwater = 0;
for (obj = level->objlist; obj; obj = obj->nobj)
if ((temp = o_in(obj, oclass)) != 0) {
if (temp != obj) {
temp->ox = obj->ox;
temp->oy = obj->oy;
}
map_object(temp,1);
}
for (mtmp = level->monlist; mtmp; mtmp = mtmp->nmon)
/* no DEADMONSTER(mtmp) check needed since dmons never have inventory */
for (obj = mtmp->minvent; obj; obj = obj->nobj)
if ((temp = o_in(obj, oclass)) != 0) {
temp->ox = mtmp->mx;
temp->oy = mtmp->my;
map_object(temp,1);
break; /* skip rest of this monster's inventory */
}
newsym(u.ux,u.uy);
if (sobj) {
if (sobj->blessed) {
pline("Your %s %s to tingle and you smell %s.", body_part(NOSE),
u.uedibility ? "continues" : "starts", what);
u.uedibility = 1;
} else
pline("Your %s tingles and you smell %s.", body_part(NOSE), what);
}
else pline("You sense %s.", what);
win_pause_output(P_MAP);
exercise(A_WIS, TRUE);
doredraw();
u.uinwater = uw;
if (Underwater) under_water(2);
if (u.uburied) under_ground(2);
}
return 0;
}
/* look for gold, on the floor or in monsters' possession */
int gold_detect(struct obj *sobj, boolean *scr_known)
{
struct obj *obj;
struct monst *mtmp;
int uw = u.uinwater;
struct obj *temp;
boolean stale;
*scr_known = stale = clear_stale_map(COIN_CLASS, sobj->blessed ? GOLD : 0);
/* look for gold carried by monsters (might be in a container) */
for (mtmp = level->monlist; mtmp; mtmp = mtmp->nmon) {
if (DEADMONSTER(mtmp)) continue; /* probably not needed in this case but... */
if (findgold(mtmp->minvent) || monsndx(mtmp->data) == PM_GOLD_GOLEM) {
*scr_known = TRUE;
goto outgoldmap; /* skip further searching */
} else for (obj = mtmp->minvent; obj; obj = obj->nobj)
if (sobj->blessed && o_material(obj, GOLD)) {
*scr_known = TRUE;
goto outgoldmap;
} else if (o_in(obj, COIN_CLASS)) {
*scr_known = TRUE;
goto outgoldmap; /* skip further searching */
}
}
/* look for gold objects */
for (obj = level->objlist; obj; obj = obj->nobj) {
if (sobj->blessed && o_material(obj, GOLD)) {
*scr_known = TRUE;
if (obj->ox != u.ux || obj->oy != u.uy) goto outgoldmap;
} else if (o_in(obj, COIN_CLASS)) {
*scr_known = TRUE;
if (obj->ox != u.ux || obj->oy != u.uy) goto outgoldmap;
}
}
if (!*scr_known) {
/* no gold found on floor or monster's inventory.
adjust message if you have gold in your inventory */
char buf[BUFSZ];
if (youmonst.data == &mons[PM_GOLD_GOLEM]) {
sprintf(buf, "You feel like a million %s!", currency(2L));
} else if (hidden_gold() || money_cnt(invent))
strcpy(buf, "You feel worried about your future financial situation.");
else
strcpy(buf, "You feel materially poor.");
strange_feeling(sobj, buf);
return 1;
}
/* only under me - no separate display required */
if (stale) doredraw();
pline("You notice some gold between your %s.", makeplural(body_part(FOOT)));
return 0;
outgoldmap:
cls();
u.uinwater = 0;
/* Discover gold locations. */
for (obj = level->objlist; obj; obj = obj->nobj) {
if (sobj->blessed && (temp = o_material(obj, GOLD))) {
if (temp != obj) {
temp->ox = obj->ox;
temp->oy = obj->oy;
}
map_object(temp,1);
} else if ((temp = o_in(obj, COIN_CLASS))) {
if (temp != obj) {
temp->ox = obj->ox;
temp->oy = obj->oy;
}
map_object(temp,1);
}
}
for (mtmp = level->monlist; mtmp; mtmp = mtmp->nmon) {
if (DEADMONSTER(mtmp)) continue; /* probably overkill here */
if (findgold(mtmp->minvent) || monsndx(mtmp->data) == PM_GOLD_GOLEM) {
struct obj gold;
gold.otyp = GOLD_PIECE;
gold.ox = mtmp->mx;
gold.oy = mtmp->my;
map_object(&gold,1);
} else for (obj = mtmp->minvent; obj; obj = obj->nobj)
if (sobj->blessed && (temp = o_material(obj, GOLD))) {
temp->ox = mtmp->mx;
temp->oy = mtmp->my;
map_object(temp,1);
break;
} else if ((temp = o_in(obj, COIN_CLASS))) {
temp->ox = mtmp->mx;
temp->oy = mtmp->my;
map_object(temp,1);
break;
}
}
newsym(u.ux,u.uy);
pline("You feel very greedy, and sense gold!");
exercise(A_WIS, TRUE);
win_pause_output(P_MAP);
doredraw();
u.uinwater = uw;
if (Underwater) under_water(2);
if (u.uburied) under_ground(2);
return 0;
}
