1c7f94e505
CWI <http://www.cwi.nl/~aeb/games/hack/hack.html>. Via OpenBSD. Addresses part of PR bin/5850.
976 lines
22 KiB
C
976 lines
22 KiB
C
/* $NetBSD: hack.c,v 1.6 2003/04/02 18:36:35 jsm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
|
|
* Amsterdam
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* - Neither the name of the Stichting Centrum voor Wiskunde en
|
|
* Informatica, nor the names of its contributors may be used to endorse or
|
|
* promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: hack.c,v 1.6 2003/04/02 18:36:35 jsm Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include "hack.h"
|
|
#include "extern.h"
|
|
|
|
/*
|
|
* called on movement: 1. when throwing ball+chain far away 2. when
|
|
* teleporting 3. when walking out of a lit room
|
|
*/
|
|
void
|
|
unsee()
|
|
{
|
|
int x, y;
|
|
struct rm *lev;
|
|
|
|
/*
|
|
if(u.udispl){
|
|
u.udispl = 0;
|
|
newsym(u.udisx, u.udisy);
|
|
}
|
|
*/
|
|
#ifndef QUEST
|
|
if (seehx) {
|
|
seehx = 0;
|
|
} else
|
|
#endif /* QUEST */
|
|
for (x = u.ux - 1; x < u.ux + 2; x++)
|
|
for (y = u.uy - 1; y < u.uy + 2; y++) {
|
|
if (!isok(x, y))
|
|
continue;
|
|
lev = &levl[x][y];
|
|
if (!lev->lit && lev->scrsym == '.') {
|
|
lev->scrsym = ' ';
|
|
lev->new = 1;
|
|
on_scr(x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* called: in hack.eat.c: seeoff(0) - blind after eating rotten food in
|
|
* hack.mon.c: seeoff(0) - blinded by a yellow light in hack.mon.c: seeoff(1)
|
|
* - swallowed in hack.do.c: seeoff(0) - blind after drinking potion in
|
|
* hack.do.c: seeoff(1) - go up or down the stairs in hack.trap.c:seeoff(1)
|
|
* - fall through trapdoor
|
|
*/
|
|
void
|
|
seeoff(mode)
|
|
int mode; /* 1 to redo @, 0 to leave them *//* 1 means
|
|
* misc movement, 0 means blindness */
|
|
{
|
|
int x, y;
|
|
struct rm *lev;
|
|
|
|
if (u.udispl && mode) {
|
|
u.udispl = 0;
|
|
levl[u.udisx][u.udisy].scrsym = news0(u.udisx, u.udisy);
|
|
}
|
|
#ifndef QUEST
|
|
if (seehx) {
|
|
seehx = 0;
|
|
} else
|
|
#endif /* QUEST */
|
|
if (!mode) {
|
|
for (x = u.ux - 1; x < u.ux + 2; x++)
|
|
for (y = u.uy - 1; y < u.uy + 2; y++) {
|
|
if (!isok(x, y))
|
|
continue;
|
|
lev = &levl[x][y];
|
|
if (!lev->lit && lev->scrsym == '.')
|
|
lev->seen = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
domove()
|
|
{
|
|
xchar oldx, oldy;
|
|
struct monst *mtmp = NULL;
|
|
struct rm *tmpr, *ust;
|
|
struct trap *trap = NULL;
|
|
struct obj *otmp = NULL;
|
|
|
|
u_wipe_engr(rnd(5));
|
|
|
|
if (inv_weight() > 0) {
|
|
pline("You collapse under your load.");
|
|
nomul(0);
|
|
return;
|
|
}
|
|
if (u.uswallow) {
|
|
u.dx = u.dy = 0;
|
|
u.ux = u.ustuck->mx;
|
|
u.uy = u.ustuck->my;
|
|
} else {
|
|
if (Confusion) {
|
|
do {
|
|
confdir();
|
|
} while (!isok(u.ux + u.dx, u.uy + u.dy) ||
|
|
IS_ROCK(levl[u.ux + u.dx][u.uy + u.dy].typ));
|
|
}
|
|
if (!isok(u.ux + u.dx, u.uy + u.dy)) {
|
|
nomul(0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ust = &levl[u.ux][u.uy];
|
|
oldx = u.ux;
|
|
oldy = u.uy;
|
|
if (!u.uswallow && (trap = t_at(u.ux + u.dx, u.uy + u.dy)) && trap->tseen)
|
|
nomul(0);
|
|
if (u.ustuck && !u.uswallow && (u.ux + u.dx != u.ustuck->mx ||
|
|
u.uy + u.dy != u.ustuck->my)) {
|
|
if (dist(u.ustuck->mx, u.ustuck->my) > 2) {
|
|
/* perhaps it fled (or was teleported or ... ) */
|
|
u.ustuck = 0;
|
|
} else {
|
|
if (Blind)
|
|
pline("You cannot escape from it!");
|
|
else
|
|
pline("You cannot escape from %s!",
|
|
monnam(u.ustuck));
|
|
nomul(0);
|
|
return;
|
|
}
|
|
}
|
|
if (u.uswallow || (mtmp = m_at(u.ux + u.dx, u.uy + u.dy))) {
|
|
/* attack monster */
|
|
|
|
nomul(0);
|
|
gethungry();
|
|
if (multi < 0)
|
|
return; /* we just fainted */
|
|
|
|
/* try to attack; note that it might evade */
|
|
if (attack(u.uswallow ? u.ustuck : mtmp))
|
|
return;
|
|
}
|
|
/* not attacking an animal, so we try to move */
|
|
if (u.utrap) {
|
|
if (u.utraptype == TT_PIT) {
|
|
pline("You are still in a pit.");
|
|
u.utrap--;
|
|
} else {
|
|
pline("You are caught in a beartrap.");
|
|
if ((u.dx && u.dy) || !rn2(5))
|
|
u.utrap--;
|
|
}
|
|
return;
|
|
}
|
|
tmpr = &levl[u.ux + u.dx][u.uy + u.dy];
|
|
if (IS_ROCK(tmpr->typ) ||
|
|
(u.dx && u.dy && (tmpr->typ == DOOR || ust->typ == DOOR))) {
|
|
flags.move = 0;
|
|
nomul(0);
|
|
return;
|
|
}
|
|
while ((otmp = sobj_at(ENORMOUS_ROCK, u.ux + u.dx, u.uy + u.dy)) != NULL){
|
|
xchar rx = u.ux + 2 * u.dx, ry = u.uy + 2 * u.dy;
|
|
struct trap *ttmp;
|
|
nomul(0);
|
|
if (isok(rx, ry) && !IS_ROCK(levl[rx][ry].typ) &&
|
|
(levl[rx][ry].typ != DOOR || !(u.dx && u.dy)) &&
|
|
!sobj_at(ENORMOUS_ROCK, rx, ry)) {
|
|
if (m_at(rx, ry)) {
|
|
pline("You hear a monster behind the rock.");
|
|
pline("Perhaps that's why you cannot move it.");
|
|
goto cannot_push;
|
|
}
|
|
if ((ttmp = t_at(rx, ry)) != NULL)
|
|
switch (ttmp->ttyp) {
|
|
case PIT:
|
|
pline("You push the rock into a pit!");
|
|
deltrap(ttmp);
|
|
delobj(otmp);
|
|
pline("It completely fills the pit!");
|
|
continue;
|
|
case TELEP_TRAP:
|
|
pline("You push the rock and suddenly it disappears!");
|
|
delobj(otmp);
|
|
continue;
|
|
}
|
|
if (levl[rx][ry].typ == POOL) {
|
|
levl[rx][ry].typ = ROOM;
|
|
mnewsym(rx, ry);
|
|
prl(rx, ry);
|
|
pline("You push the rock into the water.");
|
|
pline("Now you can cross the water!");
|
|
delobj(otmp);
|
|
continue;
|
|
}
|
|
otmp->ox = rx;
|
|
otmp->oy = ry;
|
|
/* pobj(otmp); */
|
|
if (cansee(rx, ry))
|
|
atl(rx, ry, otmp->olet);
|
|
if (Invisible)
|
|
newsym(u.ux + u.dx, u.uy + u.dy);
|
|
|
|
{
|
|
static long lastmovetime;
|
|
/*
|
|
* note: this var contains garbage initially
|
|
* and after a restore
|
|
*/
|
|
if (moves > lastmovetime + 2 || moves < lastmovetime)
|
|
pline("With great effort you move the enormous rock.");
|
|
lastmovetime = moves;
|
|
}
|
|
} else {
|
|
pline("You try to move the enormous rock, but in vain.");
|
|
cannot_push:
|
|
if ((!invent || inv_weight() + 90 <= 0) &&
|
|
(!u.dx || !u.dy || (IS_ROCK(levl[u.ux][u.uy + u.dy].typ)
|
|
&& IS_ROCK(levl[u.ux + u.dx][u.uy].typ)))) {
|
|
pline("However, you can squeeze yourself into a small opening.");
|
|
break;
|
|
} else
|
|
return;
|
|
}
|
|
}
|
|
if (u.dx && u.dy && IS_ROCK(levl[u.ux][u.uy + u.dy].typ) &&
|
|
IS_ROCK(levl[u.ux + u.dx][u.uy].typ) &&
|
|
invent && inv_weight() + 40 > 0) {
|
|
pline("You are carrying too much to get through.");
|
|
nomul(0);
|
|
return;
|
|
}
|
|
if (Punished &&
|
|
DIST(u.ux + u.dx, u.uy + u.dy, uchain->ox, uchain->oy) > 2) {
|
|
if (carried(uball)) {
|
|
movobj(uchain, u.ux, u.uy);
|
|
goto nodrag;
|
|
}
|
|
if (DIST(u.ux + u.dx, u.uy + u.dy, uball->ox, uball->oy) < 3) {
|
|
/* leave ball, move chain under/over ball */
|
|
movobj(uchain, uball->ox, uball->oy);
|
|
goto nodrag;
|
|
}
|
|
if (inv_weight() + (int) uball->owt / 2 > 0) {
|
|
pline("You cannot %sdrag the heavy iron ball.",
|
|
invent ? "carry all that and also " : "");
|
|
nomul(0);
|
|
return;
|
|
}
|
|
movobj(uball, uchain->ox, uchain->oy);
|
|
unpobj(uball); /* BAH %% */
|
|
uchain->ox = u.ux;
|
|
uchain->oy = u.uy;
|
|
nomul(-2);
|
|
nomovemsg = "";
|
|
nodrag: ;
|
|
}
|
|
u.ux += u.dx;
|
|
u.uy += u.dy;
|
|
if (flags.run) {
|
|
if (tmpr->typ == DOOR ||
|
|
(xupstair == u.ux && yupstair == u.uy) ||
|
|
(xdnstair == u.ux && ydnstair == u.uy))
|
|
nomul(0);
|
|
}
|
|
if (tmpr->typ == POOL && !Levitation)
|
|
drown(); /* not necessarily fatal */
|
|
|
|
/*
|
|
if(u.udispl) {
|
|
u.udispl = 0;
|
|
newsym(oldx,oldy);
|
|
}
|
|
*/
|
|
if (!Blind) {
|
|
#ifdef QUEST
|
|
setsee();
|
|
#else
|
|
if (ust->lit) {
|
|
if (tmpr->lit) {
|
|
if (tmpr->typ == DOOR)
|
|
prl1(u.ux + u.dx, u.uy + u.dy);
|
|
else if (ust->typ == DOOR)
|
|
nose1(oldx - u.dx, oldy - u.dy);
|
|
} else {
|
|
unsee();
|
|
prl1(u.ux + u.dx, u.uy + u.dy);
|
|
}
|
|
} else {
|
|
if (tmpr->lit)
|
|
setsee();
|
|
else {
|
|
prl1(u.ux + u.dx, u.uy + u.dy);
|
|
if (tmpr->typ == DOOR) {
|
|
if (u.dy) {
|
|
prl(u.ux - 1, u.uy);
|
|
prl(u.ux + 1, u.uy);
|
|
} else {
|
|
prl(u.ux, u.uy - 1);
|
|
prl(u.ux, u.uy + 1);
|
|
}
|
|
}
|
|
}
|
|
nose1(oldx - u.dx, oldy - u.dy);
|
|
}
|
|
#endif /* QUEST */
|
|
} else {
|
|
pru();
|
|
}
|
|
if (!flags.nopick)
|
|
pickup(1);
|
|
if (trap)
|
|
dotrap(trap); /* fall into pit, arrow trap, etc. */
|
|
(void) inshop();
|
|
if (!Blind)
|
|
read_engr_at(u.ux, u.uy);
|
|
}
|
|
|
|
void
|
|
movobj(obj, ox, oy)
|
|
struct obj *obj;
|
|
int ox, oy;
|
|
{
|
|
/* Some dirty programming to get display right */
|
|
freeobj(obj);
|
|
unpobj(obj);
|
|
obj->nobj = fobj;
|
|
fobj = obj;
|
|
obj->ox = ox;
|
|
obj->oy = oy;
|
|
}
|
|
|
|
int
|
|
dopickup()
|
|
{
|
|
if (!g_at(u.ux, u.uy) && !o_at(u.ux, u.uy)) {
|
|
pline("There is nothing here to pick up.");
|
|
return (0);
|
|
}
|
|
if (Levitation) {
|
|
pline("You cannot reach the floor.");
|
|
return (1);
|
|
}
|
|
pickup(0);
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
pickup(int all)
|
|
{
|
|
struct gold *gold;
|
|
struct obj *obj, *obj2;
|
|
int wt;
|
|
|
|
if (Levitation)
|
|
return;
|
|
while ((gold = g_at(u.ux, u.uy)) != NULL) {
|
|
pline("%ld gold piece%s.", gold->amount, plur(gold->amount));
|
|
u.ugold += gold->amount;
|
|
flags.botl = 1;
|
|
freegold(gold);
|
|
if (flags.run)
|
|
nomul(0);
|
|
if (Invisible)
|
|
newsym(u.ux, u.uy);
|
|
}
|
|
|
|
/* check for more than one object */
|
|
if (!all) {
|
|
int ct = 0;
|
|
|
|
for (obj = fobj; obj; obj = obj->nobj)
|
|
if (obj->ox == u.ux && obj->oy == u.uy)
|
|
if (!Punished || obj != uchain)
|
|
ct++;
|
|
if (ct < 2)
|
|
all++;
|
|
else
|
|
pline("There are several objects here.");
|
|
}
|
|
for (obj = fobj; obj; obj = obj2) {
|
|
obj2 = obj->nobj; /* perhaps obj will be picked up */
|
|
if (obj->ox == u.ux && obj->oy == u.uy) {
|
|
if (flags.run)
|
|
nomul(0);
|
|
|
|
/* do not pick up uchain */
|
|
if (Punished && obj == uchain)
|
|
continue;
|
|
|
|
if (!all) {
|
|
char c;
|
|
|
|
pline("Pick up %s ? [ynaq]", doname(obj));
|
|
while (!strchr("ynaq ", (c = readchar())))
|
|
bell();
|
|
if (c == 'q')
|
|
return;
|
|
if (c == 'n')
|
|
continue;
|
|
if (c == 'a')
|
|
all = 1;
|
|
}
|
|
if (obj->otyp == DEAD_COCKATRICE && !uarmg) {
|
|
pline("Touching the dead cockatrice is a fatal mistake.");
|
|
pline("You turn to stone.");
|
|
killer = "cockatrice cadaver";
|
|
done("died");
|
|
}
|
|
if (obj->otyp == SCR_SCARE_MONSTER) {
|
|
if (!obj->spe)
|
|
obj->spe = 1;
|
|
else {
|
|
/*
|
|
* Note: perhaps the 1st pickup
|
|
* failed: you cannot carry anymore,
|
|
* and so we never dropped it - let's
|
|
* assume that treading on it twice
|
|
* also destroys the scroll
|
|
*/
|
|
pline("The scroll turns to dust as you pick it up.");
|
|
delobj(obj);
|
|
continue;
|
|
}
|
|
}
|
|
wt = inv_weight() + obj->owt;
|
|
if (wt > 0) {
|
|
if (obj->quan > 1) {
|
|
/* see how many we can lift */
|
|
int savequan = obj->quan;
|
|
int iw = inv_weight();
|
|
int qq;
|
|
for (qq = 1; qq < savequan; qq++) {
|
|
obj->quan = qq;
|
|
if (iw + weight(obj) > 0)
|
|
break;
|
|
}
|
|
obj->quan = savequan;
|
|
qq--;
|
|
/* we can carry qq of them */
|
|
if (!qq)
|
|
goto too_heavy;
|
|
pline("You can only carry %s of the %s lying here.",
|
|
(qq == 1) ? "one" : "some",
|
|
doname(obj));
|
|
(void) splitobj(obj, qq);
|
|
/*
|
|
* note: obj2 is set already, so
|
|
* we'll never encounter the other
|
|
* half; if it should be otherwise
|
|
* then write obj2 =
|
|
* splitobj(obj,qq);
|
|
*/
|
|
goto lift_some;
|
|
}
|
|
too_heavy:
|
|
pline("There %s %s here, but %s.",
|
|
(obj->quan == 1) ? "is" : "are",
|
|
doname(obj),
|
|
!invent ? "it is too heavy for you to lift"
|
|
: "you cannot carry anymore");
|
|
break;
|
|
}
|
|
lift_some:
|
|
if (inv_cnt() >= 52) {
|
|
pline("Your knapsack cannot accomodate anymore items.");
|
|
break;
|
|
}
|
|
if (wt > -5)
|
|
pline("You have a little trouble lifting");
|
|
freeobj(obj);
|
|
if (Invisible)
|
|
newsym(u.ux, u.uy);
|
|
addtobill(obj); /* sets obj->unpaid if necessary */
|
|
{
|
|
int pickquan = obj->quan;
|
|
int mergquan;
|
|
if (!Blind)
|
|
obj->dknown = 1; /* this is done by
|
|
* prinv(), but addinv()
|
|
* needs it already for
|
|
* merging */
|
|
obj = addinv(obj); /* might merge it with
|
|
* other objects */
|
|
mergquan = obj->quan;
|
|
obj->quan = pickquan; /* to fool prinv() */
|
|
prinv(obj);
|
|
obj->quan = mergquan;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* stop running if we see something interesting */
|
|
/* turn around a corner if that is the only way we can proceed */
|
|
/* do not turn left or right twice */
|
|
void
|
|
lookaround()
|
|
{
|
|
int x, y, i, x0 = 0, y0 = 0, m0 = 0, i0 = 9;
|
|
int corrct = 0, noturn = 0;
|
|
struct monst *mtmp;
|
|
if (Blind || flags.run == 0)
|
|
return;
|
|
if (flags.run == 1 && levl[u.ux][u.uy].typ == ROOM)
|
|
return;
|
|
#ifdef QUEST
|
|
if (u.ux0 == u.ux + u.dx && u.uy0 == u.uy + u.dy)
|
|
goto stop;
|
|
#endif /* QUEST */
|
|
for (x = u.ux - 1; x <= u.ux + 1; x++)
|
|
for (y = u.uy - 1; y <= u.uy + 1; y++) {
|
|
if (x == u.ux && y == u.uy)
|
|
continue;
|
|
if (!levl[x][y].typ)
|
|
continue;
|
|
if ((mtmp = m_at(x, y)) && !mtmp->mimic &&
|
|
(!mtmp->minvis || See_invisible)) {
|
|
if (!mtmp->mtame || (x == u.ux + u.dx && y == u.uy + u.dy))
|
|
goto stop;
|
|
} else
|
|
mtmp = 0; /* invisible M cannot
|
|
* influence us */
|
|
if (x == u.ux - u.dx && y == u.uy - u.dy)
|
|
continue;
|
|
switch (levl[x][y].scrsym) {
|
|
case '|':
|
|
case '-':
|
|
case '.':
|
|
case ' ':
|
|
break;
|
|
case '+':
|
|
if (x != u.ux && y != u.uy)
|
|
break;
|
|
if (flags.run != 1)
|
|
goto stop;
|
|
/* fall into next case */
|
|
case CORR_SYM:
|
|
corr:
|
|
if (flags.run == 1 || flags.run == 3) {
|
|
i = DIST(x, y, u.ux + u.dx, u.uy + u.dy);
|
|
if (i > 2)
|
|
break;
|
|
if (corrct == 1 && DIST(x, y, x0, y0) != 1)
|
|
noturn = 1;
|
|
if (i < i0) {
|
|
i0 = i;
|
|
x0 = x;
|
|
y0 = y;
|
|
m0 = mtmp ? 1 : 0;
|
|
}
|
|
}
|
|
corrct++;
|
|
break;
|
|
case '^':
|
|
if (flags.run == 1)
|
|
goto corr; /* if you must */
|
|
if (x == u.ux + u.dx && y == u.uy + u.dy)
|
|
goto stop;
|
|
break;
|
|
default: /* e.g. objects or trap or stairs */
|
|
if (flags.run == 1)
|
|
goto corr;
|
|
if (mtmp)
|
|
break; /* d */
|
|
stop:
|
|
nomul(0);
|
|
return;
|
|
}
|
|
}
|
|
#ifdef QUEST
|
|
if (corrct > 0 && (flags.run == 4 || flags.run == 5))
|
|
goto stop;
|
|
#endif /* QUEST */
|
|
if (corrct > 1 && flags.run == 2)
|
|
goto stop;
|
|
if ((flags.run == 1 || flags.run == 3) && !noturn && !m0 && i0 &&
|
|
(corrct == 1 || (corrct == 2 && i0 == 1))) {
|
|
/* make sure that we do not turn too far */
|
|
if (i0 == 2) {
|
|
if (u.dx == y0 - u.uy && u.dy == u.ux - x0)
|
|
i = 2; /* straight turn right */
|
|
else
|
|
i = -2; /* straight turn left */
|
|
} else if (u.dx && u.dy) {
|
|
if ((u.dx == u.dy && y0 == u.uy) ||
|
|
(u.dx != u.dy && y0 != u.uy))
|
|
i = -1; /* half turn left */
|
|
else
|
|
i = 1; /* half turn right */
|
|
} else {
|
|
if ((x0 - u.ux == y0 - u.uy && !u.dy) ||
|
|
(x0 - u.ux != y0 - u.uy && u.dy))
|
|
i = 1; /* half turn right */
|
|
else
|
|
i = -1; /* half turn left */
|
|
}
|
|
i += u.last_str_turn;
|
|
if (i <= 2 && i >= -2) {
|
|
u.last_str_turn = i;
|
|
u.dx = x0 - u.ux, u.dy = y0 - u.uy;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* something like lookaround, but we are not running */
|
|
/* react only to monsters that might hit us */
|
|
int
|
|
monster_nearby()
|
|
{
|
|
int x, y;
|
|
struct monst *mtmp;
|
|
if (!Blind)
|
|
for (x = u.ux - 1; x <= u.ux + 1; x++)
|
|
for (y = u.uy - 1; y <= u.uy + 1; y++) {
|
|
if (x == u.ux && y == u.uy)
|
|
continue;
|
|
if ((mtmp = m_at(x, y)) && !mtmp->mimic && !mtmp->mtame &&
|
|
!mtmp->mpeaceful && !strchr("Ea", mtmp->data->mlet) &&
|
|
!mtmp->mfroz && !mtmp->msleep && /* aplvax!jcn */
|
|
(!mtmp->minvis || See_invisible))
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#ifdef QUEST
|
|
int
|
|
cansee(x, y)
|
|
xchar x, y;
|
|
{
|
|
int dx, dy, adx, ady, sdx, sdy, dmax, d;
|
|
if (Blind)
|
|
return (0);
|
|
if (!isok(x, y))
|
|
return (0);
|
|
d = dist(x, y);
|
|
if (d < 3)
|
|
return (1);
|
|
if (d > u.uhorizon * u.uhorizon)
|
|
return (0);
|
|
if (!levl[x][y].lit)
|
|
return (0);
|
|
dx = x - u.ux;
|
|
adx = abs(dx);
|
|
sdx = sgn(dx);
|
|
dy = y - u.uy;
|
|
ady = abs(dy);
|
|
sdy = sgn(dy);
|
|
if (dx == 0 || dy == 0 || adx == ady) {
|
|
dmax = (dx == 0) ? ady : adx;
|
|
for (d = 1; d <= dmax; d++)
|
|
if (!rroom(sdx * d, sdy * d))
|
|
return (0);
|
|
return (1);
|
|
} else if (ady > adx) {
|
|
for (d = 1; d <= ady; d++) {
|
|
if (!rroom(sdx * ((d * adx) / ady), sdy * d) ||
|
|
!rroom(sdx * ((d * adx - 1) / ady + 1), sdy * d))
|
|
return (0);
|
|
}
|
|
return (1);
|
|
} else {
|
|
for (d = 1; d <= adx; d++) {
|
|
if (!rroom(sdx * d, sdy * ((d * ady) / adx)) ||
|
|
!rroom(sdx * d, sdy * ((d * ady - 1) / adx + 1)))
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
int
|
|
rroom(x, y)
|
|
int x, y;
|
|
{
|
|
return (IS_ROOM(levl[u.ux + x][u.uy + y].typ));
|
|
}
|
|
|
|
#else
|
|
|
|
int
|
|
cansee(x, y)
|
|
xchar x, y;
|
|
{
|
|
if (Blind || u.uswallow)
|
|
return (0);
|
|
if (dist(x, y) < 3)
|
|
return (1);
|
|
if (levl[x][y].lit && seelx <= x && x <= seehx && seely <= y &&
|
|
y <= seehy)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
#endif /* QUEST */
|
|
|
|
int
|
|
sgn(a)
|
|
int a;
|
|
{
|
|
return ((a > 0) ? 1 : (a == 0) ? 0 : -1);
|
|
}
|
|
|
|
#ifdef QUEST
|
|
void
|
|
setsee()
|
|
{
|
|
int x, y;
|
|
|
|
if (Blind) {
|
|
pru();
|
|
return;
|
|
}
|
|
for (y = u.uy - u.uhorizon; y <= u.uy + u.uhorizon; y++)
|
|
for (x = u.ux - u.uhorizon; x <= u.ux + u.uhorizon; x++) {
|
|
if (cansee(x, y))
|
|
prl(x, y);
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
void
|
|
setsee()
|
|
{
|
|
int x, y;
|
|
|
|
if (Blind) {
|
|
pru();
|
|
return;
|
|
}
|
|
if (!levl[u.ux][u.uy].lit) {
|
|
seelx = u.ux - 1;
|
|
seehx = u.ux + 1;
|
|
seely = u.uy - 1;
|
|
seehy = u.uy + 1;
|
|
} else {
|
|
for (seelx = u.ux; levl[seelx - 1][u.uy].lit; seelx--);
|
|
for (seehx = u.ux; levl[seehx + 1][u.uy].lit; seehx++);
|
|
for (seely = u.uy; levl[u.ux][seely - 1].lit; seely--);
|
|
for (seehy = u.uy; levl[u.ux][seehy + 1].lit; seehy++);
|
|
}
|
|
for (y = seely; y <= seehy; y++)
|
|
for (x = seelx; x <= seehx; x++) {
|
|
prl(x, y);
|
|
}
|
|
if (!levl[u.ux][u.uy].lit)
|
|
seehx = 0; /* seems necessary elsewhere */
|
|
else {
|
|
if (seely == u.uy)
|
|
for (x = u.ux - 1; x <= u.ux + 1; x++)
|
|
prl(x, seely - 1);
|
|
if (seehy == u.uy)
|
|
for (x = u.ux - 1; x <= u.ux + 1; x++)
|
|
prl(x, seehy + 1);
|
|
if (seelx == u.ux)
|
|
for (y = u.uy - 1; y <= u.uy + 1; y++)
|
|
prl(seelx - 1, y);
|
|
if (seehx == u.ux)
|
|
for (y = u.uy - 1; y <= u.uy + 1; y++)
|
|
prl(seehx + 1, y);
|
|
}
|
|
}
|
|
#endif /* QUEST */
|
|
|
|
void
|
|
nomul(nval)
|
|
int nval;
|
|
{
|
|
if (multi < 0)
|
|
return;
|
|
multi = nval;
|
|
flags.mv = flags.run = 0;
|
|
}
|
|
|
|
int
|
|
abon()
|
|
{
|
|
if (u.ustr == 3)
|
|
return (-3);
|
|
else if (u.ustr < 6)
|
|
return (-2);
|
|
else if (u.ustr < 8)
|
|
return (-1);
|
|
else if (u.ustr < 17)
|
|
return (0);
|
|
else if (u.ustr < 69)
|
|
return (1); /* up to 18/50 */
|
|
else if (u.ustr < 118)
|
|
return (2);
|
|
else
|
|
return (3);
|
|
}
|
|
|
|
int
|
|
dbon()
|
|
{
|
|
if (u.ustr < 6)
|
|
return (-1);
|
|
else if (u.ustr < 16)
|
|
return (0);
|
|
else if (u.ustr < 18)
|
|
return (1);
|
|
else if (u.ustr == 18)
|
|
return (2); /* up to 18 */
|
|
else if (u.ustr < 94)
|
|
return (3); /* up to 18/75 */
|
|
else if (u.ustr < 109)
|
|
return (4); /* up to 18/90 */
|
|
else if (u.ustr < 118)
|
|
return (5); /* up to 18/99 */
|
|
else
|
|
return (6);
|
|
}
|
|
|
|
void
|
|
losestr(num) /* may kill you; cause may be poison or */
|
|
int num; /* monster like 'A' */
|
|
{
|
|
u.ustr -= num;
|
|
while (u.ustr < 3) {
|
|
u.ustr++;
|
|
u.uhp -= 6;
|
|
u.uhpmax -= 6;
|
|
}
|
|
flags.botl = 1;
|
|
}
|
|
|
|
void
|
|
losehp(n, knam)
|
|
int n;
|
|
const char *knam;
|
|
{
|
|
u.uhp -= n;
|
|
if (u.uhp > u.uhpmax)
|
|
u.uhpmax = u.uhp; /* perhaps n was negative */
|
|
flags.botl = 1;
|
|
if (u.uhp < 1) {
|
|
killer = knam; /* the thing that killed you */
|
|
done("died");
|
|
}
|
|
}
|
|
|
|
void
|
|
losehp_m(n, mtmp)
|
|
int n;
|
|
struct monst *mtmp;
|
|
{
|
|
u.uhp -= n;
|
|
flags.botl = 1;
|
|
if (u.uhp < 1)
|
|
done_in_by(mtmp);
|
|
}
|
|
|
|
void
|
|
losexp()
|
|
{ /* hit by V or W */
|
|
int num;
|
|
|
|
if (u.ulevel > 1)
|
|
pline("Goodbye level %u.", u.ulevel--);
|
|
else
|
|
u.uhp = -1;
|
|
num = rnd(10);
|
|
u.uhp -= num;
|
|
u.uhpmax -= num;
|
|
u.uexp = newuexp();
|
|
flags.botl = 1;
|
|
}
|
|
|
|
int
|
|
inv_weight()
|
|
{
|
|
struct obj *otmp = invent;
|
|
int wt = (u.ugold + 500) / 1000;
|
|
int carrcap;
|
|
if (Levitation) /* pugh@cornell */
|
|
carrcap = MAX_CARR_CAP;
|
|
else {
|
|
carrcap = 5 * (((u.ustr > 18) ? 20 : u.ustr) + u.ulevel);
|
|
if (carrcap > MAX_CARR_CAP)
|
|
carrcap = MAX_CARR_CAP;
|
|
if (Wounded_legs & LEFT_SIDE)
|
|
carrcap -= 10;
|
|
if (Wounded_legs & RIGHT_SIDE)
|
|
carrcap -= 10;
|
|
}
|
|
while (otmp) {
|
|
wt += otmp->owt;
|
|
otmp = otmp->nobj;
|
|
}
|
|
return (wt - carrcap);
|
|
}
|
|
|
|
int
|
|
inv_cnt()
|
|
{
|
|
struct obj *otmp = invent;
|
|
int ct = 0;
|
|
while (otmp) {
|
|
ct++;
|
|
otmp = otmp->nobj;
|
|
}
|
|
return (ct);
|
|
}
|
|
|
|
long
|
|
newuexp()
|
|
{
|
|
return (10 * (1L << (u.ulevel - 1)));
|
|
}
|