/* returns 1 if polymorph successful */
int polymon(int mntmp)
{
boolean sticky = sticks(youmonst.data) && u.ustuck && !u.uswallow,
was_blind = !!Blind, dochange = FALSE;
boolean could_pass_walls = Passes_walls;
int mlvl;
if (mvitals[mntmp].mvflags & G_GENOD) { /* allow G_EXTINCT */
pline("You feel rather %s-ish.",mons[mntmp].mname);
exercise(A_WIS, TRUE);
return 0;
}
/* KMH, conduct */
u.uconduct.polyselfs++;
if (!Upolyd) {
/* Human to monster; save human stats */
u.macurr = u.acurr;
u.mamax = u.amax;
u.mfemale = flags.female;
} else {
/* Monster to monster; restore human stats, to be
* immediately changed to provide stats for the new monster
*/
u.acurr = u.macurr;
u.amax = u.mamax;
flags.female = u.mfemale;
}
if (youmonst.m_ap_type) {
/* stop mimicking immediately */
if (multi < 0) unmul("");
} else if (mons[mntmp].mlet != S_MIMIC) {
/* as in polyman() */
youmonst.m_ap_type = M_AP_NOTHING;
}
if (is_male(&mons[mntmp])) {
if (flags.female) dochange = TRUE;
} else if (is_female(&mons[mntmp])) {
if (!flags.female) dochange = TRUE;
} else if (!is_neuter(&mons[mntmp]) && mntmp != u.ulycn) {
if (!rn2(10)) dochange = TRUE;
}
if (dochange) {
flags.female = !flags.female;
pline("You %s %s%s!",
(u.umonnum != mntmp) ? "turn into a" : "feel like a new",
(is_male(&mons[mntmp]) || is_female(&mons[mntmp])) ? "" :
flags.female ? "female " : "male ",
mons[mntmp].mname);
} else {
if (u.umonnum != mntmp)
pline("You turn into %s!", an(mons[mntmp].mname));
else
pline("You feel like a new %s!", mons[mntmp].mname);
}
if (Stoned && poly_when_stoned(&mons[mntmp])) {
/* poly_when_stoned already checked stone golem genocide */
pline("You turn to stone!");
mntmp = PM_STONE_GOLEM;
Stoned = 0;
delayed_killer = 0;
}
u.mtimedone = rn1(500, 500);
u.umonnum = mntmp;
set_uasmon();
/* New stats for monster, to last only as long as polymorphed.
* Currently only strength gets changed.
*/
if (strongmonst(&mons[mntmp])) ABASE(A_STR) = AMAX(A_STR) = STR18(100);
if (Stone_resistance && Stoned) { /* [email protected] */
Stoned = 0;
delayed_killer = 0;
pline("You no longer seem to be petrifying.");
}
if (Sick_resistance && Sick) {
make_sick(0L, NULL, FALSE, SICK_ALL);
pline("You no longer feel sick.");
}
if (Slimed) {
if (flaming(youmonst.data)) {
pline("The slime burns away!");
Slimed = 0L;
iflags.botl = 1;
} else if (mntmp == PM_GREEN_SLIME) {
/* do it silently */
Slimed = 0L;
iflags.botl = 1;
}
}
if (nohands(youmonst.data)) Glib = 0;
/*
mlvl = adj_lev(&mons[mntmp]);
* We can't do the above, since there's no such thing as an
* "experience level of you as a monster" for a polymorphed character.
*/
mlvl = (int)mons[mntmp].mlevel;
if (youmonst.data->mlet == S_DRAGON && mntmp >= PM_GRAY_DRAGON) {
u.mhmax = In_endgame(&u.uz) ? (8*mlvl) : (4*mlvl + dice(mlvl,4));
} else if (is_golem(youmonst.data)) {
u.mhmax = golemhp(mntmp);
} else {
if (!mlvl) u.mhmax = rnd(4);
else u.mhmax = dice(mlvl, 8);
if (is_home_elemental(&u.uz, &mons[mntmp])) u.mhmax *= 3;
}
u.mh = u.mhmax;
if (u.ulevel < mlvl) {
/* Low level characters can't become high level monsters for long */
u.mtimedone = u.mtimedone * u.ulevel / mlvl;
}
if (uskin && mntmp != armor_to_dragon(uskin->otyp))
skinback(FALSE);
break_armor();
drop_weapon(1);
if (hides_under(youmonst.data))
u.uundetected = OBJ_AT(u.ux, u.uy);
else if (youmonst.data->mlet == S_EEL)
u.uundetected = is_pool(level, u.ux, u.uy);
else
u.uundetected = 0;
if (u.utraptype == TT_PIT) {
if (could_pass_walls && !Passes_walls) {
u.utrap = rn1(6,2);
} else if (!could_pass_walls && Passes_walls) {
u.utrap = 0;
}
}
if (was_blind && !Blind) { /* previous form was eyeless */
Blinded = 1L;
make_blinded(0L, TRUE); /* remove blindness */
}
newsym(u.ux,u.uy); /* Change symbol */
if (!sticky && !u.uswallow && u.ustuck && sticks(youmonst.data)) u.ustuck = 0;
else if (sticky && !sticks(youmonst.data)) uunstick();
if (u.usteed) {
if (touch_petrifies(u.usteed->data) &&
!Stone_resistance && rnl(3)) {
char buf[BUFSZ];
pline("No longer petrifying-resistant, you touch %s.",
mon_nam(u.usteed));
sprintf(buf, "riding %s", an(u.usteed->data->mname));
instapetrify(buf);
}
if (!can_ride(u.usteed)) dismount_steed(DISMOUNT_POLY);
}
if (flags.verbose) {
static const char use_thec[] = "Use the command #%s to %s.";
static const char monsterc[] = "monster";
if (can_breathe(youmonst.data))
pline(use_thec,monsterc,"use your breath weapon");
if (attacktype(youmonst.data, AT_SPIT))
pline(use_thec,monsterc,"spit venom");
if (youmonst.data->mlet == S_NYMPH)
pline(use_thec,monsterc,"remove an iron ball");
if (attacktype(youmonst.data, AT_GAZE))
pline(use_thec,monsterc,"gaze at monsters");
if (is_hider(youmonst.data))
pline(use_thec,monsterc,"hide");
if (is_were(youmonst.data))
pline(use_thec,monsterc,"summon help");
if (webmaker(youmonst.data))
pline(use_thec,monsterc,"spin a web");
if (u.umonnum == PM_GREMLIN)
pline(use_thec,monsterc,"multiply in a fountain");
if (is_unicorn(youmonst.data))
pline(use_thec,monsterc,"use your horn");
if (is_mind_flayer(youmonst.data))
pline(use_thec,monsterc,"emit a mental blast");
if (youmonst.data->msound == MS_SHRIEK) /* worthless, actually */
pline(use_thec,monsterc,"shriek");
if (lays_eggs(youmonst.data) && flags.female)
pline(use_thec,"sit","lay an egg");
}
/* you now know what an egg of your type looks like */
if (lays_eggs(youmonst.data)) {
learn_egg_type(u.umonnum);
/* make queen bees recognize killer bee eggs */
learn_egg_type(egg_type_from_parent(u.umonnum, TRUE));
}
find_ac();
if ((!Levitation && !u.ustuck && !Flying &&
(is_pool(level, u.ux,u.uy) || is_lava(level, u.ux,u.uy))) ||
(Underwater && !Swimming))
spoteffects(TRUE);
if (Passes_walls && u.utrap && u.utraptype == TT_INFLOOR) {
u.utrap = 0;
pline("The rock seems to no longer trap you.");
} else if (likes_lava(youmonst.data) && u.utrap && u.utraptype == TT_LAVA) {
u.utrap = 0;
pline("The lava now feels soothing.");
}
if (amorphous(youmonst.data) || is_whirly(youmonst.data) || unsolid(youmonst.data)) {
if (Punished) {
pline("You slip out of the iron chain.");
unpunish();
}
}
if (u.utrap && (u.utraptype == TT_WEB || u.utraptype == TT_BEARTRAP) &&
(amorphous(youmonst.data) || is_whirly(youmonst.data) || unsolid(youmonst.data) ||
(youmonst.data->msize <= MZ_SMALL && u.utraptype == TT_BEARTRAP))) {
pline("You are no longer stuck in the %s.",
u.utraptype == TT_WEB ? "web" : "bear trap");
/* probably should burn webs too if PM_FIRE_ELEMENTAL */
u.utrap = 0;
}
if (webmaker(youmonst.data) && u.utrap && u.utraptype == TT_WEB) {
pline("You orient yourself on the web.");
u.utrap = 0;
}
iflags.botl = 1;
vision_full_recalc = 1;
see_monsters();
exercise(A_CON, FALSE);
exercise(A_WIS, TRUE);
encumber_msg();
return 1;
}
void
teleds(int nux, int nuy, boolean allow_drag)
{
boolean ball_active = (Punished &&
uball->where != OBJ_FREE), ball_still_in_range =
FALSE;
/* If they have to move the ball, then drag if allow_drag is true;
otherwise they are teleporting, so unplacebc(). If they don't have to
move the ball, then always "drag" whether or not allow_drag is true,
because we are calling that function, not to drag, but to move the
chain. *However* there are some dumb special cases: 0 0 _X move east
-----> X_ @ @ These are permissible if teleporting, but not if dragging.
As a result, drag_ball() needs to know about allow_drag and might end up
dragging the ball anyway. Also, drag_ball() might find that dragging
the ball is completely impossible (ball in range but there's rock in the
way), in which case it teleports the ball on its own. */
if (ball_active) {
if (!carried(uball) && distmin(nux, nuy, uball->ox, uball->oy) <= 2)
ball_still_in_range = TRUE; /* don't have to move the ball */
else {
/* have to move the ball */
if (!allow_drag || distmin(u.ux, u.uy, nux, nuy) > 1) {
/* we should not have dist > 1 and allow_drag at the same time,
but just in case, we must then revert to teleport. */
allow_drag = FALSE;
unplacebc();
}
}
}
u.utrap = 0;
u.ustuck = 0;
u.ux0 = u.ux;
u.uy0 = u.uy;
if (hides_under(youmonst.data))
u.uundetected = OBJ_AT(nux, nuy);
else if (youmonst.data->mlet == S_EEL)
u.uundetected = is_pool(level, nux, nuy);
else {
u.uundetected = 0;
/* mimics stop being unnoticed */
if (youmonst.data->mlet == S_MIMIC)
youmonst.m_ap_type = M_AP_NOTHING;
}
if (Engulfed) {
u.uswldtim = Engulfed = 0;
if (Punished && !ball_active) {
/* ensure ball placement, like unstuck */
ball_active = TRUE;
allow_drag = FALSE;
}
doredraw();
}
if (ball_active) {
if (ball_still_in_range || allow_drag) {
int bc_control;
xchar ballx, bally, chainx, chainy;
boolean cause_delay;
if (drag_ball
(nux, nuy, &bc_control, &ballx, &bally, &chainx, &chainy,
&cause_delay, allow_drag))
move_bc(0, bc_control, ballx, bally, chainx, chainy);
}
}
/* must set u.ux, u.uy after drag_ball(), which may need to know the old
position if allow_drag is true... */
u.ux = nux;
u.uy = nuy;
fill_pit(level, u.ux0, u.uy0);
if (ball_active) {
if (!ball_still_in_range && !allow_drag)
placebc();
}
initrack(); /* teleports mess up tracking monsters without this */
update_player_regions(level);
/* Move your steed, too */
if (u.usteed) {
u.usteed->mx = nux;
u.usteed->my = nuy;
}
/*
* Make sure the hero disappears from the old location. This will
* not happen if she is teleported within sight of her previous
* location. Force a full vision recalculation because the hero
* is now in a new location.
*/
newsym(u.ux0, u.uy0);
see_monsters(FALSE);
turnstate.vision_full_recalc = TRUE;
action_interrupted();
vision_recalc(0); /* vision before effects */
spoteffects(TRUE);
invocation_message();
}
static void do_entity(struct entity *etmp)
{
int newx, newy, at_portcullis, oldx, oldy;
boolean must_jump = FALSE, relocates = FALSE, e_inview;
struct rm *crm;
if (!etmp->edata)
return;
e_inview = e_canseemon(level, etmp);
oldx = etmp->ex;
oldy = etmp->ey;
at_portcullis = is_db_wall(oldx, oldy);
crm = &level->locations[oldx][oldy];
if (automiss(etmp) && e_survives_at(etmp, oldx, oldy)) {
if (e_inview && (at_portcullis || IS_DRAWBRIDGE(crm->typ)))
pline("The %s passes through %s!",
at_portcullis ? "portcullis" : "drawbridge",
e_nam(etmp));
if (is_u(etmp)) spoteffects(FALSE);
return;
}
if (e_missed(etmp, FALSE)) {
if (at_portcullis)
pline("The portcullis misses %s!",
e_nam(etmp));
if (e_survives_at(etmp, oldx, oldy))
return;
else {
if (at_portcullis)
must_jump = TRUE;
else
relocates = TRUE; /* just ride drawbridge in */
}
} else {
if (crm->typ == DRAWBRIDGE_DOWN) {
pline("%s crushed underneath the drawbridge.",
E_phrase(etmp, "are")); /* no jump */
e_died(etmp, e_inview? 3 : 2, CRUSHING);/* no corpse */
return; /* Note: Beyond this point, we know we're */
} /* not at an opened drawbridge, since all */
must_jump = TRUE; /* *missable* creatures survive on the */
} /* square, and all the unmissed ones die. */
if (must_jump) {
if (at_portcullis) {
if (e_jumps(etmp)) {
relocates = TRUE;
} else {
if (e_inview)
pline("%s crushed by the falling portcullis!",
E_phrase(etmp, "are"));
else if (flags.soundok)
You_hear("a crushing sound.");
e_died(etmp, e_inview? 3 : 2, CRUSHING);
/* no corpse */
return;
}
} else { /* tries to jump off bridge to original square */
relocates = !e_jumps(etmp);
}
}
/*
* Here's where we try to do relocation. Assumes that etmp is not arriving
* at the portcullis square while the drawbridge is falling, since this square
* would be inaccessible (i.e. etmp started on drawbridge square) or
* unnecessary (i.e. etmp started here) in such a situation.
*/
newx = oldx;
newy = oldy;
find_drawbridge(&newx, &newy);
if ((newx == oldx) && (newy == oldy))
get_wall_for_db(&newx, &newy);
if (relocates && (e_at(newx, newy))) {
/*
* Standoff problem: one or both entities must die, and/or both switch
* places. Avoid infinite recursion by checking first whether the other
* entity is staying put. Clean up if we happen to move/die in recursion.
*/
struct entity *other;
other = e_at(newx, newy);
if (e_survives_at(other, newx, newy) && automiss(other)) {
relocates = FALSE; /* "other" won't budge */
} else {
while ((e_at(newx, newy) != 0) &&
(e_at(newx, newy) != etmp))
do_entity(other);
if (e_at(oldx, oldy) != etmp) {
return;
}
}
}
if (relocates && !e_at(newx, newy)) {/* if e_at() entity = worm tail */
if (!is_u(etmp)) {
remove_monster(level, etmp->ex, etmp->ey);
place_monster(etmp->emon, newx, newy);
update_monster_region(etmp->emon);
} else {
u.ux = newx;
u.uy = newy;
}
etmp->ex = newx;
etmp->ey = newy;
e_inview = e_canseemon(level, etmp);
}
if (is_db_wall(etmp->ex, etmp->ey)) {
if (e_inview) {
if (is_u(etmp)) {
pline("You tumble towards the closed portcullis!");
if (automiss(etmp))
pline("You pass through it!");
else
pline("The drawbridge closes in...");
} else
pline("%s behind the drawbridge.",
E_phrase(etmp, "disappear"));
}
if (!e_survives_at(etmp, etmp->ex, etmp->ey)) {
killer_format = KILLED_BY_AN;
killer = "closing drawbridge";
e_died(etmp, 0, CRUSHING); /* no message */
return;
}
} else {
if (is_pool(level, etmp->ex, etmp->ey) && !e_inview)
if (flags.soundok)
You_hear("a splash.");
if (e_survives_at(etmp, etmp->ex, etmp->ey)) {
if (e_inview && !is_flyer(etmp->edata) &&
!is_floater(etmp->edata))
pline("%s from the bridge.",
E_phrase(etmp, "fall"));
return;
}
if (is_pool(level, etmp->ex, etmp->ey) || is_lava(level, etmp->ex, etmp->ey))
if (e_inview && !is_u(etmp)) {
/* drown() will supply msgs if nec. */
boolean lava = is_lava(level, etmp->ex, etmp->ey);
if (Hallucination)
pline("%s the %s and disappears.",
E_phrase(etmp, "drink"),
lava ? "lava" : "moat");
else
pline("%s into the %s.",
E_phrase(etmp, "fall"),
lava ? "lava" : "moat");
}
killer_format = NO_KILLER_PREFIX;
killer = "fell from a drawbridge";
e_died(etmp, e_inview ? 3 : 2, /* CRUSHING is arbitrary */
(is_pool(level, etmp->ex, etmp->ey)) ? DROWNING :
(is_lava(level, etmp->ex, etmp->ey)) ? BURNING :
CRUSHING); /*no corpse*/
return;
}
}
/* make a (new) human out of the player */
static void polyman(const char *fmt, const char *arg)
{
boolean sticky = sticks(youmonst.data) && u.ustuck && !u.uswallow,
was_mimicking = (youmonst.m_ap_type == M_AP_OBJECT);
boolean could_pass_walls = Passes_walls;
boolean was_blind = !!Blind;
if (Upolyd) {
u.acurr = u.macurr; /* restore old attribs */
u.amax = u.mamax;
u.umonnum = u.umonster;
flags.female = u.mfemale;
}
set_uasmon();
u.mh = u.mhmax = 0;
u.mtimedone = 0;
skinback(FALSE);
u.uundetected = 0;
if (sticky) uunstick();
find_ac();
if (was_mimicking) {
if (multi < 0) unmul("");
youmonst.m_ap_type = M_AP_NOTHING;
}
newsym(u.ux,u.uy);
pline(fmt, arg);
/* check whether player foolishly genocided self while poly'd */
if ((mvitals[urole.malenum].mvflags & G_GENOD) ||
(urole.femalenum != NON_PM &&
(mvitals[urole.femalenum].mvflags & G_GENOD)) ||
(mvitals[urace.malenum].mvflags & G_GENOD) ||
(urace.femalenum != NON_PM &&
(mvitals[urace.femalenum].mvflags & G_GENOD))) {
/* intervening activity might have clobbered genocide info */
killer = delayed_killer;
if (!killer || !strstri(killer, "genocid")) {
killer_format = KILLED_BY;
killer = "self-genocide";
}
done(GENOCIDED);
}
if (u.twoweap && !could_twoweap(youmonst.data))
untwoweapon();
if (u.utraptype == TT_PIT) {
if (could_pass_walls) { /* player forms cannot pass walls */
u.utrap = rn1(6,2);
}
}
if (was_blind && !Blind) { /* reverting from eyeless */
Blinded = 1L;
make_blinded(0L, TRUE); /* remove blindness */
}
if (!Levitation && !u.ustuck &&
(is_pool(level, u.ux,u.uy) || is_lava(level, u.ux,u.uy)))
spoteffects(TRUE);
see_monsters();
}
/*
* drop_ball()
*
* The punished hero drops or throws her iron ball. If the hero is
* blind, we must reset the order and glyph. Check for side effects.
* This routine expects the ball to be already placed.
*
* Should not be called while swallowed.
*/
void
drop_ball(xchar x, xchar y, schar dx, schar dy)
{
if (Blind) {
u.bc_order = bc_order(); /* get the order */
/* pick up mem_obj */
u.bglyph = (u.bc_order) ? u.cglyph : level->locations[x][y].mem_obj;
}
if (x != u.ux || y != u.uy) {
struct trap *t;
const char *pullmsg = "The ball pulls you out of the %s!";
if (u.utrap && u.utraptype != TT_INFLOOR) {
switch (u.utraptype) {
case TT_PIT:
pline(pullmsg, "pit");
break;
case TT_WEB:
pline(pullmsg, "web");
pline("The web is destroyed!");
deltrap(level, t_at(level, u.ux, u.uy));
break;
case TT_LAVA:
pline(pullmsg, "lava");
break;
case TT_BEARTRAP:{
long side = rn2(3) ? LEFT_SIDE : RIGHT_SIDE;
pline(pullmsg, "bear trap");
set_wounded_legs(side, rn1(1000, 500));
if (!u.usteed) {
pline("Your %s %s is severely damaged.",
(side == LEFT_SIDE) ? "left" : "right",
body_part(LEG));
losehp(2, killer_msg(DIED, "leg damage from being "
"pulled out of a bear trap"));
}
break;
}
}
u.utrap = 0;
fill_pit(level, u.ux, u.uy);
}
u.ux0 = u.ux;
u.uy0 = u.uy;
if (!Levitation && !MON_AT(level, x, y) && !u.utrap &&
(is_pool(level, x, y) ||
((t = t_at(level, x, y)) &&
(t->ttyp == PIT || t->ttyp == SPIKED_PIT || t->ttyp == TRAPDOOR ||
t->ttyp == HOLE)))) {
u.ux = x;
u.uy = y;
} else {
u.ux = x - dx;
u.uy = y - dy;
}
/* hero has moved, recalculate vision later */
turnstate.vision_full_recalc = TRUE;
if (Blind) {
/* drop glyph under the chain */
if (u.bc_felt & BC_CHAIN)
level->locations[uchain->ox][uchain->oy].mem_obj = u.cglyph;
u.bc_felt = 0; /* feel nothing */
/* pick up new glyph */
u.cglyph =
(u.bc_order) ? u.bglyph : level->locations[u.ux][u.uy].mem_obj;
}
movobj(uchain, u.ux, u.uy); /* has a newsym */
if (Blind) {
u.bc_order = bc_order();
}
newsym(u.ux0, u.uy0); /* clean up old position */
if (u.ux0 != u.ux || u.uy0 != u.uy) {
spoteffects(TRUE);
if (In_sokoban(&u.uz))
change_luck(-1); /* Sokoban guilt */
}
}
}
/* return TRUE if the caller needs to place the ball and chain down again
*
* Should not be called while swallowed. Should be called before movement,
* because we might want to move the ball or chain to the hero's old position.
*
* It is called if we are moving. It is also called if we are teleporting
* *if* the ball doesn't move and we thus must drag the chain. It is not
* called for ordinary teleportation.
*
* allow_drag is only used in the ugly special case where teleporting must
* drag the chain, while an identical-looking movement must drag both the ball
* and chain.
*/
boolean
drag_ball(xchar x, xchar y, int *bc_control, xchar * ballx, xchar * bally,
xchar * chainx, xchar * chainy, boolean * cause_delay,
boolean allow_drag)
{
struct trap *t = NULL;
boolean already_in_rock;
*ballx = uball->ox;
*bally = uball->oy;
*chainx = uchain->ox;
*chainy = uchain->oy;
*bc_control = 0;
*cause_delay = FALSE;
if (dist2(x, y, uchain->ox, uchain->oy) <= 2) { /* nothing moved */
move_bc(1, *bc_control, *ballx, *bally, *chainx, *chainy);
return TRUE;
}
/* only need to move the chain? */
if (carried(uball) || distmin(x, y, uball->ox, uball->oy) <= 2) {
xchar oldchainx = uchain->ox, oldchainy = uchain->oy;
*bc_control = BC_CHAIN;
move_bc(1, *bc_control, *ballx, *bally, *chainx, *chainy);
if (carried(uball)) {
/* move chain only if necessary */
if (distmin(x, y, uchain->ox, uchain->oy) > 1) {
*chainx = u.ux;
*chainy = u.uy;
}
return TRUE;
}
#define CHAIN_IN_MIDDLE(chx, chy) \
(distmin(x, y, chx, chy) <= 1 && \
distmin(chx, chy, uball->ox, uball->oy) <= 1)
#define IS_CHAIN_ROCK(x,y) \
(IS_ROCK(level->locations[x][y].typ) || \
(IS_DOOR(level->locations[x][y].typ) && \
(level->locations[x][y].doormask & (D_CLOSED|D_LOCKED))))
/* Don't ever move the chain into solid rock. If we have to, then instead
* undo the move_bc() and jump to the drag ball code. Note that this also
* means the "cannot carry and drag" message will not appear, since unless we
* moved at least two squares there is no possibility of the chain position
* being in solid rock.
*/
#define SKIP_TO_DRAG { *chainx = oldchainx; *chainy = oldchainy; \
move_bc(0, *bc_control, *ballx, *bally, *chainx, *chainy); \
goto drag; }
if (IS_CHAIN_ROCK(u.ux, u.uy) || IS_CHAIN_ROCK(*chainx, *chainy)
|| IS_CHAIN_ROCK(uball->ox, uball->oy))
already_in_rock = TRUE;
else
already_in_rock = FALSE;
switch (dist2(x, y, uball->ox, uball->oy)) {
/* two spaces diagonal from ball, move chain inbetween */
case 8:
*chainx = (uball->ox + x) / 2;
*chainy = (uball->oy + y) / 2;
if (IS_CHAIN_ROCK(*chainx, *chainy) && !already_in_rock)
SKIP_TO_DRAG;
break;
/* player is distance 2/1 from ball; move chain to one of the two
spaces between @ __ 0 */
case 5:{
xchar tempx, tempy, tempx2, tempy2;
/* find position closest to current position of chain */
/* no effect if current position is already OK */
if (abs(x - uball->ox) == 1) {
tempx = x;
tempx2 = uball->ox;
tempy = tempy2 = (uball->oy + y) / 2;
} else {
tempx = tempx2 = (uball->ox + x) / 2;
tempy = y;
tempy2 = uball->oy;
}
if (IS_CHAIN_ROCK(tempx, tempy) &&
!IS_CHAIN_ROCK(tempx2, tempy2) && !already_in_rock) {
if (allow_drag) {
/* Avoid pathological case *if* not teleporting: 0 0_
_X move northeast -----> X@ @ */
if (dist2(u.ux, u.uy, uball->ox, uball->oy) == 5 &&
dist2(x, y, tempx, tempy) == 1)
SKIP_TO_DRAG;
/* Avoid pathological case *if* not teleporting: 0 0 _X
move east -----> X_ @ @ */
if (dist2(u.ux, u.uy, uball->ox, uball->oy) == 4 &&
dist2(x, y, tempx, tempy) == 2)
SKIP_TO_DRAG;
}
*chainx = tempx2;
*chainy = tempy2;
} else if (!IS_CHAIN_ROCK(tempx, tempy) &&
IS_CHAIN_ROCK(tempx2, tempy2) && !already_in_rock) {
if (allow_drag) {
if (dist2(u.ux, u.uy, uball->ox, uball->oy) == 5 &&
dist2(x, y, tempx2, tempy2) == 1)
SKIP_TO_DRAG;
if (dist2(u.ux, u.uy, uball->ox, uball->oy) == 4 &&
dist2(x, y, tempx2, tempy2) == 2)
SKIP_TO_DRAG;
}
*chainx = tempx;
*chainy = tempy;
} else if (IS_CHAIN_ROCK(tempx, tempy) &&
IS_CHAIN_ROCK(tempx2, tempy2) && !already_in_rock) {
SKIP_TO_DRAG;
} else if (dist2(tempx, tempy, uchain->ox, uchain->oy) <
dist2(tempx2, tempy2, uchain->ox, uchain->oy) ||
((dist2(tempx, tempy, uchain->ox, uchain->oy) ==
dist2(tempx2, tempy2, uchain->ox, uchain->oy)) &&
rn2(2))) {
*chainx = tempx;
*chainy = tempy;
} else {
*chainx = tempx2;
*chainy = tempy2;
}
break;
}
/* ball is two spaces horizontal or vertical from player; move */
/* chain inbetween *unless* current chain position is OK */
case 4:
if (CHAIN_IN_MIDDLE(uchain->ox, uchain->oy))
break;
*chainx = (x + uball->ox) / 2;
*chainy = (y + uball->oy) / 2;
if (IS_CHAIN_ROCK(*chainx, *chainy) && !already_in_rock)
SKIP_TO_DRAG;
break;
/* ball is one space diagonal from player. Check for the following
special case: @ _ moving southwest becomes @_ 0 0 (This will
also catch teleporting that happens to resemble this case, but
oh well.) Otherwise fall through. */
case 2:
if (dist2(x, y, uball->ox, uball->oy) == 2 &&
dist2(x, y, uchain->ox, uchain->oy) == 4) {
if (uchain->oy == y)
*chainx = uball->ox;
else
*chainy = uball->oy;
if (IS_CHAIN_ROCK(*chainx, *chainy) && !already_in_rock)
SKIP_TO_DRAG;
break;
}
/* fall through */
case 1:
case 0:
/* do nothing if possible */
if (CHAIN_IN_MIDDLE(uchain->ox, uchain->oy))
break;
/* otherwise try to drag chain to player's old position */
if (CHAIN_IN_MIDDLE(u.ux, u.uy)) {
*chainx = u.ux;
*chainy = u.uy;
break;
}
/* otherwise use player's new position (they must have teleported,
for this to happen) */
*chainx = x;
*chainy = y;
break;
default:
impossible("bad chain movement");
break;
}
#undef SKIP_TO_DRAG
#undef IS_CHAIN_ROCK
#undef CHAIN_IN_MIDDLE
return TRUE;
}
drag:
if (near_capacity() > SLT_ENCUMBER && dist2(x, y, u.ux, u.uy) <= 2) {
pline("You cannot %sdrag the heavy iron ball.",
invent ? "carry all that and also " : "");
action_completed();
return FALSE;
}
if ((is_pool(level, uchain->ox, uchain->oy) &&
/* water not mere continuation of previous water */
(level->locations[uchain->ox][uchain->oy].typ == POOL ||
!is_pool(level, uball->ox, uball->oy) ||
level->locations[uball->ox][uball->oy].typ == POOL))
|| ((t = t_at(level, uchain->ox, uchain->oy)) &&
(t->ttyp == PIT || t->ttyp == SPIKED_PIT || t->ttyp == HOLE ||
t->ttyp == TRAPDOOR))) {
if (Levitation) {
pline("You feel a tug from the iron ball.");
if (t)
t->tseen = 1;
} else {
struct monst *victim;
pline("You are jerked back by the iron ball!");
if ((victim = m_at(level, uchain->ox, uchain->oy)) != 0) {
int tmp;
tmp = -2 + Luck + find_mac(victim);
tmp += omon_adj(victim, uball, TRUE);
if (tmp >= rnd(20))
hmon(victim, uball, 1);
else
miss(xname(uball), victim);
} /* now check again in case mon died */
if (!m_at(level, uchain->ox, uchain->oy)) {
u.ux = uchain->ox;
u.uy = uchain->oy;
newsym(u.ux0, u.uy0);
}
action_interrupted();
*bc_control = BC_BALL;
move_bc(1, *bc_control, *ballx, *bally, *chainx, *chainy);
*ballx = uchain->ox;
*bally = uchain->oy;
move_bc(0, *bc_control, *ballx, *bally, *chainx, *chainy);
spoteffects(TRUE);
return FALSE;
}
}
*bc_control = BC_BALL | BC_CHAIN;
move_bc(1, *bc_control, *ballx, *bally, *chainx, *chainy);
if (dist2(x, y, u.ux, u.uy) > 2) {
/* Awful case: we're still in range of the ball, so we thought we could
only move the chain, but it turned out that the target square for
the chain was rock, so we had to drag it instead. But we can't drag
it either, because we teleported and are more than one square from
our old position. Revert to the teleport behavior. */
*ballx = *chainx = x;
*bally = *chainy = y;
} else {
*ballx = uchain->ox;
*bally = uchain->oy;
*chainx = u.ux;
*chainy = u.uy;
}
*cause_delay = TRUE;
return TRUE;
}
/*
* Let's destroy the drawbridge located at x,y
*/
void
destroy_drawbridge(int x, int y)
{
struct rm *loc1, *loc2;
struct trap *t;
struct obj *chain;
int x2, y2, i;
boolean e_inview;
struct entity *etmp1 = &(occupants[0]), *etmp2 = &(occupants[1]);
loc1 = &level->locations[x][y];
if (!IS_DRAWBRIDGE(loc1->typ))
return;
x2 = x;
y2 = y;
get_wall_for_db(&x2, &y2);
loc2 = &level->locations[x2][y2];
if ((loc1->drawbridgemask & DB_UNDER) == DB_MOAT ||
(loc1->drawbridgemask & DB_UNDER) == DB_LAVA) {
struct obj *otmp;
boolean lava = (loc1->drawbridgemask & DB_UNDER) == DB_LAVA;
if (loc1->typ == DRAWBRIDGE_UP) {
if (cansee(x2, y2))
pline("The portcullis of the drawbridge falls into the %s!",
lava ? "lava" : waterbody_name(x2, y2));
else
You_hear("a loud *SPLASH*!");
} else {
if (cansee(x, y))
pline("The drawbridge collapses into the %s!",
lava ? "lava" : waterbody_name(x, y));
else
You_hear("a loud *SPLASH*!");
}
loc1->typ = lava ? LAVAPOOL : MOAT;
loc1->drawbridgemask = 0;
if ((otmp = sobj_at(BOULDER, level, x, y)) != 0) {
obj_extract_self(otmp);
flooreffects(otmp, x, y, "fall");
}
} else {
if (cansee(x, y))
pline("The drawbridge disintegrates!");
else
You_hear("a loud *CRASH*!");
loc1->typ = ((loc1->drawbridgemask & DB_ICE) ? ICE : ROOM);
loc1->icedpool = ((loc1->drawbridgemask & DB_ICE) ? ICED_MOAT : 0);
}
wake_nearto(x, y, 500);
loc2->typ = DOOR;
loc2->doormask = D_NODOOR;
if ((t = t_at(level, x, y)) != 0)
deltrap(level, t);
if ((t = t_at(level, x2, y2)) != 0)
deltrap(level, t);
del_engr_at(level, x, y);
del_engr_at(level, x2, y2);
for (i = rn2(6); i > 0; --i) { /* scatter some debris */
/* doesn't matter if we happen to pick <x,y2> or <x2,y>;
since drawbridges are never placed diagonally, those
pairings will always match one of <x,y> or <x2,y2> */
chain = mksobj_at(IRON_CHAIN, level,
rn2(2) ? x : x2, rn2(2) ? y : y2,
TRUE, FALSE, rng_main);
/* a force of 5 here would yield a radius of 2 for
iron chain; anything less produces a radius of 1 */
(void) scatter(chain->ox, chain->oy, 1, MAY_HIT, chain);
}
newsym(x, y);
newsym(x2, y2);
if (!does_block(level, x2, y2))
unblock_point(x2, y2); /* vision */
if (Is_stronghold(&u.uz))
u.uevent.uopened_dbridge = TRUE;
set_entity(x2, y2, etmp2); /* currently only automissers can be here */
if (etmp2->edata) {
e_inview = e_canseemon(etmp2);
if (!automiss(etmp2)) {
if (e_inview)
pline("%s blown apart by flying debris.",
E_phrase(etmp2, "are"));
e_died(etmp2, e_inview ? 3 : 2, CRUSHING,
killer_msg(CRUSHING, "an exploding drawbridge"));
} /* nothing which is vulnerable can survive this */
}
set_entity(x, y, etmp1);
if (etmp1->edata) {
e_inview = e_canseemon(etmp1);
if (!e_missed(etmp1, TRUE)) {
if (e_inview) {
if (!is_u(etmp1) && Hallucination)
pline("%s into some heavy metal!", E_phrase(etmp1, "get"));
else
pline("%s hit by a huge chunk of metal!",
E_phrase(etmp1, "are"));
} else {
if (!is_u(etmp1) && !is_pool(level, x, y))
You_hear("a crushing sound.");
}
e_died(etmp1, e_inview ? 3 : 2, CRUSHING,
killer_msg(CRUSHING, "a collapsing drawbridge"));
/* if (loc1->typ == MOAT) do_entity(etmp1); */
}
if (is_u(etmp1))
spoteffects(FALSE);
else if (!DEADMONSTER(etmp1->emon))
minliquid(etmp1->emon);
}
}
static int arti_invoke(struct obj *obj)
{
const struct artifact *oart = get_artifact(obj);
if (!oart || !oart->inv_prop) {
if (obj->oclass == WAND_CLASS)
return do_break_wand(obj);
else if (obj->oclass == GEM_CLASS || obj->oclass == TOOL_CLASS)
return dorub(obj);
else if (obj->otyp == CRYSTAL_BALL)
use_crystal_ball(obj);
else
pline("Nothing happens.");
return 1;
}
if (oart->inv_prop > LAST_PROP) {
/* It's a special power, not "just" a property */
if (obj->age > moves) {
/* the artifact is tired :-) */
pline("You feel that %s %s ignoring you.",
the(xname(obj)), otense(obj, "are"));
/* and just got more so; patience is essential... */
obj->age += (long) dice(3,10);
return 1;
}
obj->age = moves + rnz(100);
switch(oart->inv_prop) {
case TAMING: {
struct obj pseudo;
boolean unused_known;
pseudo = zeroobj; /* neither cursed nor blessed */
pseudo.otyp = SCR_TAMING;
seffects(&pseudo, &unused_known);
break;
}
case HEALING: {
int healamt = (u.uhpmax + 1 - u.uhp) / 2;
long creamed = (long)u.ucreamed;
if (Upolyd) healamt = (u.mhmax + 1 - u.mh) / 2;
if (healamt || Sick || Slimed || Blinded > creamed)
pline("You feel better.");
else
goto nothing_special;
if (healamt > 0) {
if (Upolyd) u.mh += healamt;
else u.uhp += healamt;
}
if (Sick) make_sick(0L,NULL,FALSE,SICK_ALL);
if (Slimed) Slimed = 0L;
if (Blinded > creamed) make_blinded(creamed, FALSE);
iflags.botl = 1;
break;
}
case ENERGY_BOOST: {
int epboost = (u.uenmax + 1 - u.uen) / 2;
if (epboost > 120) epboost = 120; /* arbitrary */
else if (epboost < 12) epboost = u.uenmax - u.uen;
if (epboost) {
pline("You feel re-energized.");
u.uen += epboost;
iflags.botl = 1;
} else
goto nothing_special;
break;
}
case UNTRAP: {
if (!untrap(TRUE)) {
obj->age = 0; /* don't charge for changing their mind */
return 0;
}
break;
}
case CHARGE_OBJ: {
struct obj *otmp = getobj(recharge_type, "charge");
boolean b_effect;
if (!otmp) {
obj->age = 0;
return 0;
}
b_effect = obj->blessed &&
(Role_switch == oart->role || !oart->role);
recharge(otmp, b_effect ? 1 : obj->cursed ? -1 : 0);
update_inventory();
break;
}
case LEV_TELE:
level_tele();
break;
case CREATE_PORTAL: {
int i, num_ok_dungeons, last_ok_dungeon = 0;
d_level newlev;
extern int n_dgns; /* from dungeon.c */
struct nh_menuitem *items;
items = malloc(n_dgns * sizeof(struct nh_menuitem));
num_ok_dungeons = 0;
for (i = 0; i < n_dgns; i++) {
if (!dungeons[i].dunlev_ureached)
continue;
items[num_ok_dungeons].id = i+1;
items[num_ok_dungeons].accel = 0;
items[num_ok_dungeons].role = MI_NORMAL;
items[num_ok_dungeons].selected = FALSE;
strcpy(items[num_ok_dungeons].caption, dungeons[i].dname);
num_ok_dungeons++;
last_ok_dungeon = i;
}
if (num_ok_dungeons > 1) {
/* more than one entry; display menu for choices */
int n;
int selected[1];
n = display_menu(items, num_ok_dungeons, "Open a portal to which dungeon?", PICK_ONE, selected);
free(items);
if (n <= 0)
goto nothing_special;
i = selected[0] - 1;
} else {
free(items);
i = last_ok_dungeon; /* also first & only OK dungeon */
}
/*
* i is now index into dungeon structure for the new dungeon.
* Find the closest level in the given dungeon, open
* a use-once portal to that dungeon and go there.
* The closest level is either the entry or dunlev_ureached.
*/
newlev.dnum = i;
if (dungeons[i].depth_start >= depth(&u.uz))
newlev.dlevel = dungeons[i].entry_lev;
else
newlev.dlevel = dungeons[i].dunlev_ureached;
if (u.uhave.amulet || In_endgame(&u.uz) || In_endgame(&newlev) ||
newlev.dnum == u.uz.dnum) {
pline("You feel very disoriented for a moment.");
} else {
if (!Blind) pline("You are surrounded by a shimmering sphere!");
else pline("You feel weightless for a moment.");
goto_level(&newlev, FALSE, FALSE, FALSE);
}
break;
}
case ENLIGHTENING:
enlightenment(0);
break;
case CREATE_AMMO: {
struct obj *otmp = mksobj(level, ARROW, TRUE, FALSE);
if (!otmp) goto nothing_special;
otmp->blessed = obj->blessed;
otmp->cursed = obj->cursed;
otmp->bknown = obj->bknown;
if (obj->blessed) {
if (otmp->spe < 0) otmp->spe = 0;
otmp->quan += rnd(10);
} else if (obj->cursed) {
if (otmp->spe > 0) otmp->spe = 0;
} else
otmp->quan += rnd(5);
otmp->owt = weight(otmp);
hold_another_object(otmp, "Suddenly %s out.", aobjnam(otmp, "fall"), NULL);
break;
}
}
} else {
long eprop = (u.uprops[oart->inv_prop].extrinsic ^= W_ARTI),
iprop = u.uprops[oart->inv_prop].intrinsic;
boolean on = (eprop & W_ARTI) != 0; /* true if invoked prop just set */
if (on && obj->age > moves) {
/* the artifact is tired :-) */
u.uprops[oart->inv_prop].extrinsic ^= W_ARTI;
pline("You feel that %s %s ignoring you.",
the(xname(obj)), otense(obj, "are"));
/* can't just keep repeatedly trying */
obj->age += (long) dice(3,10);
return 1;
} else if (!on) {
/* when turning off property, determine downtime */
/* arbitrary for now until we can tune this -dlc */
obj->age = moves + rnz(100);
}
if ((eprop & ~W_ARTI) || iprop) {
nothing_special:
/* you had the property from some other source too */
if (carried(obj))
pline("You feel a surge of power, but nothing seems to happen.");
return 1;
}
switch(oart->inv_prop) {
case CONFLICT:
if (on) pline("You feel like a rabble-rouser.");
else pline("You feel the tension decrease around you.");
break;
case LEVITATION:
if (on) {
float_up();
spoteffects(FALSE);
} else float_down(I_SPECIAL|TIMEOUT, W_ARTI);
break;
case INVIS:
if (BInvis || Blind) goto nothing_special;
newsym(u.ux, u.uy);
if (on)
pline("Your body takes on a %s transparency...",
Hallucination ? "normal" : "strange");
else
pline("Your body seems to unfade...");
break;
}
}
return 1;
}
/*
* Let's destroy the drawbridge located at x,y
*/
void
destroy_drawbridge(int x, int y)
{
struct rm *loc1, *loc2;
struct trap *t;
int x2, y2;
boolean e_inview;
struct entity *etmp1 = &(occupants[0]), *etmp2 = &(occupants[1]);
loc1 = &level->locations[x][y];
if (!IS_DRAWBRIDGE(loc1->typ))
return;
x2 = x;
y2 = y;
get_wall_for_db(&x2, &y2);
loc2 = &level->locations[x2][y2];
if ((loc1->drawbridgemask & DB_UNDER) == DB_MOAT ||
(loc1->drawbridgemask & DB_UNDER) == DB_LAVA) {
struct obj *otmp;
boolean lava = (loc1->drawbridgemask & DB_UNDER) == DB_LAVA;
if (loc1->typ == DRAWBRIDGE_UP) {
if (cansee(x2, y2))
pline("The portcullis of the drawbridge falls into the %s!",
lava ? "lava" : waterbody_name(x2, y2));
else if (flags.soundok)
You_hear("a loud *SPLASH*!");
} else {
if (cansee(x, y))
pline("The drawbridge collapses into the %s!",
lava ? "lava" : waterbody_name(x, y));
else if (flags.soundok)
You_hear("a loud *SPLASH*!");
}
loc1->typ = lava ? LAVAPOOL : MOAT;
loc1->drawbridgemask = 0;
if ((otmp = sobj_at(BOULDER, level, x, y)) != 0) {
obj_extract_self(otmp);
flooreffects(otmp, x, y, "fall");
}
} else {
if (cansee(x, y))
pline("The drawbridge disintegrates!");
else
You_hear("a loud *CRASH*!");
loc1->typ = ((loc1->drawbridgemask & DB_ICE) ? ICE : ROOM);
loc1->icedpool = ((loc1->drawbridgemask & DB_ICE) ? ICED_MOAT : 0);
}
wake_nearto(x, y, 500);
loc2->typ = DOOR;
loc2->doormask = D_NODOOR;
if ((t = t_at(level, x, y)) != 0)
deltrap(level, t);
if ((t = t_at(level, x2, y2)) != 0)
deltrap(level, t);
newsym(x, y);
newsym(x2, y2);
if (!does_block(level, x2, y2))
unblock_point(x2, y2); /* vision */
if (Is_stronghold(&u.uz))
u.uevent.uopened_dbridge = TRUE;
set_entity(x2, y2, etmp2); /* currently only automissers can be here */
if (etmp2->edata) {
e_inview = e_canseemon(etmp2);
if (!automiss(etmp2)) {
if (e_inview)
pline("%s blown apart by flying debris.",
E_phrase(etmp2, "are"));
killer_format = KILLED_BY_AN;
killer = "exploding drawbridge";
e_died(etmp2, e_inview ? 3 : 2, CRUSHING); /* no corpse */
} /* nothing which is vulnerable can survive this */
}
set_entity(x, y, etmp1);
if (etmp1->edata) {
e_inview = e_canseemon(etmp1);
if (!e_missed(etmp1, TRUE)) {
if (e_inview) {
if (!is_u(etmp1) && Hallucination)
pline("%s into some heavy metal!", E_phrase(etmp1, "get"));
else
pline("%s hit by a huge chunk of metal!",
E_phrase(etmp1, "are"));
} else {
if (flags.soundok && !is_u(etmp1) && !is_pool(level, x, y))
You_hear("a crushing sound.");
}
killer_format = KILLED_BY_AN;
killer = "collapsing drawbridge";
e_died(etmp1, e_inview ? 3 : 2, CRUSHING); /* no corpse */
/* if (loc1->typ == MOAT) do_entity(etmp1); */
}
if (is_u(etmp1))
spoteffects(FALSE);
else if (!DEADMONSTER(etmp1->emon))
minliquid(etmp1->emon);
}
}
