NetBSD-5.0.2/games/hack/hack.apply.c
/* $NetBSD: hack.apply.c,v 1.9 2007/12/15 19:44:41 perry 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.apply.c,v 1.9 2007/12/15 19:44:41 perry Exp $");
#endif /* not lint */
#include "hack.h"
#include "extern.h"
#include "def.edog.h"
#include "def.mkroom.h"
static void use_camera(struct obj *);
static int in_ice_box(struct obj *);
static int ck_ice_box(struct obj *);
static int out_ice_box(struct obj *);
static void use_ice_box(struct obj *);
static struct monst *bchit(int, int , int , int);
static void use_whistle(struct obj *);
static void use_magic_whistle(struct obj *);
static int dig(void);
static int use_pick_axe(struct obj *);
int
doapply()
{
struct obj *obj;
int res = 1;
obj = getobj("(", "use or apply");
if (!obj)
return (0);
switch (obj->otyp) {
case EXPENSIVE_CAMERA:
use_camera(obj);
break;
case ICE_BOX:
use_ice_box(obj);
break;
case PICK_AXE:
res = use_pick_axe(obj);
break;
case MAGIC_WHISTLE:
if (pl_character[0] == 'W' || u.ulevel > 9) {
use_magic_whistle(obj);
break;
}
/* fall into next case */
case WHISTLE:
use_whistle(obj);
break;
case CAN_OPENER:
if (!carrying(TIN)) {
pline("You have no can to open.");
goto xit;
}
pline("You cannot open a tin without eating its contents.");
pline("In order to eat, use the 'e' command.");
if (obj != uwep)
pline("Opening the tin will be much easier if you wield the can-opener.");
goto xit;
default:
pline("Sorry, I don't know how to use that.");
xit:
nomul(0);
return (0);
}
nomul(0);
return (res);
}
/* ARGSUSED */
static void
use_camera(obj) /* */
struct obj *obj __unused;
{
struct monst *mtmp;
if (!getdir(1)) { /* ask: in what direction? */
flags.move = multi = 0;
return;
}
if (u.uswallow) {
pline("You take a picture of %s's stomach.", monnam(u.ustuck));
return;
}
if (u.dz) {
pline("You take a picture of the %s.",
(u.dz > 0) ? "floor" : "ceiling");
return;
}
if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
if (mtmp->msleep) {
mtmp->msleep = 0;
pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
} else if (mtmp->data->mlet != 'y')
if (mtmp->mcansee || mtmp->mblinded) {
int tmp = dist(mtmp->mx, mtmp->my);
int tmp2;
if (cansee(mtmp->mx, mtmp->my))
pline("%s is blinded by the flash!", Monnam(mtmp));
setmangry(mtmp);
if (tmp < 9 && !mtmp->isshk && rn2(4)) {
mtmp->mflee = 1;
if (rn2(4))
mtmp->mfleetim = rnd(100);
}
if (tmp < 3)
mtmp->mcansee = mtmp->mblinded = 0;
else {
tmp2 = mtmp->mblinded;
tmp2 += rnd(1 + 50 / tmp);
if (tmp2 > 127)
tmp2 = 127;
mtmp->mblinded = tmp2;
mtmp->mcansee = 0;
}
}
}
}
static
struct obj *current_ice_box;/* a local variable of use_ice_box, to be
* used by its local procedures in/ck_ice_box */
static int
in_ice_box(obj)
struct obj *obj;
{
if (obj == current_ice_box ||
(Punished && (obj == uball || obj == uchain))) {
pline("You must be kidding.");
return (0);
}
if (obj->owornmask & (W_ARMOR | W_RING)) {
pline("You cannot refrigerate something you are wearing.");
return (0);
}
if (obj->owt + current_ice_box->owt > 70) {
pline("It won't fit.");
return (1); /* be careful! */
}
if (obj == uwep) {
if (uwep->cursed) {
pline("Your weapon is welded to your hand!");
return (0);
}
setuwep((struct obj *) 0);
}
current_ice_box->owt += obj->owt;
freeinv(obj);
obj->o_cnt_id = current_ice_box->o_id;
obj->nobj = fcobj;
fcobj = obj;
obj->age = moves - obj->age; /* actual age */
return (1);
}
static int
ck_ice_box(obj)
struct obj *obj;
{
return (obj->o_cnt_id == current_ice_box->o_id);
}
static int
out_ice_box(obj)
struct obj *obj;
{
struct obj *otmp;
if (obj == fcobj)
fcobj = fcobj->nobj;
else {
for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
if (!otmp->nobj)
panic("out_ice_box");
otmp->nobj = obj->nobj;
}
current_ice_box->owt -= obj->owt;
obj->age = moves - obj->age; /* simulated point of time */
(void) addinv(obj);
return 0;
}
static void
use_ice_box(obj)
struct obj *obj;
{
int cnt = 0;
struct obj *otmp;
current_ice_box = obj; /* for use by in/out_ice_box */
for (otmp = fcobj; otmp; otmp = otmp->nobj)
if (otmp->o_cnt_id == obj->o_id)
cnt++;
if (!cnt)
pline("Your ice-box is empty.");
else {
pline("Do you want to take something out of the ice-box? [yn] ");
if (readchar() == 'y')
if (askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
return;
pline("That was all. Do you wish to put something in? [yn] ");
if (readchar() != 'y')
return;
}
/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
otmp = getobj("0#%", "put in");
if (!otmp || !in_ice_box(otmp))
flags.move = multi = 0;
}
static struct monst *
bchit(ddx, ddy, range, sym)
int ddx, ddy, range;
char sym;
{
struct monst *mtmp = (struct monst *) 0;
int bchx = u.ux, bchy = u.uy;
if (sym)
Tmp_at(-1, sym);/* open call */
while (range--) {
bchx += ddx;
bchy += ddy;
if ((mtmp = m_at(bchx, bchy)) != NULL)
break;
if (!ZAP_POS(levl[bchx][bchy].typ)) {
bchx -= ddx;
bchy -= ddy;
break;
}
if (sym)
Tmp_at(bchx, bchy);
}
if (sym)
Tmp_at(-1, -1);
return (mtmp);
}
/* ARGSUSED */
static void
use_whistle(obj)
struct obj *obj __unused;
{
struct monst *mtmp = fmon;
pline("You produce a high whistling sound.");
while (mtmp) {
if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
if (mtmp->msleep)
mtmp->msleep = 0;
if (mtmp->mtame)
EDOG(mtmp)->whistletime = moves;
}
mtmp = mtmp->nmon;
}
}
/* ARGSUSED */
static void
use_magic_whistle(obj)
struct obj *obj __unused;
{
struct monst *mtmp = fmon;
pline("You produce a strange whistling sound.");
while (mtmp) {
if (mtmp->mtame)
mnexto(mtmp);
mtmp = mtmp->nmon;
}
}
static int dig_effort; /* effort expended on current pos */
static uchar dig_level;
static coord dig_pos;
static boolean dig_down;
static int
dig()
{
struct rm *lev;
int dpx = dig_pos.x, dpy = dig_pos.y;
/* perhaps a nymph stole his pick-axe while he was busy digging */
/* or perhaps he teleported away */
if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
dig_level != dlevel ||
((dig_down && (dpx != u.ux || dpy != u.uy)) ||
(!dig_down && dist(dpx, dpy) > 2)))
return (0);
dig_effort += 10 + abon() + uwep->spe + rn2(5);
if (dig_down) {
if (!xdnstair) {
pline("The floor here seems too hard to dig in.");
return (0);
}
if (dig_effort > 250) {
dighole();
return (0); /* done with digging */
}
if (dig_effort > 50) {
struct trap *ttmp = t_at(dpx, dpy);
if (!ttmp) {
ttmp = maketrap(dpx, dpy, PIT);
ttmp->tseen = 1;
pline("You have dug a pit.");
u.utrap = rn1(4, 2);
u.utraptype = TT_PIT;
return (0);
}
}
} else if (dig_effort > 100) {
const char *digtxt;
struct obj *obj;
lev = &levl[dpx][dpy];
if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
fracture_rock(obj);
digtxt = "The rock falls apart.";
} else if (!lev->typ || lev->typ == SCORR) {
lev->typ = CORR;
digtxt = "You succeeded in cutting away some rock.";
} else if (lev->typ == HWALL || lev->typ == VWALL
|| lev->typ == SDOOR) {
lev->typ = xdnstair ? DOOR : ROOM;
digtxt = "You just made an opening in the wall.";
} else
digtxt = "Now what exactly was it that you were digging in?";
mnewsym(dpx, dpy);
prl(dpx, dpy);
pline(digtxt); /* after mnewsym & prl */
return (0);
} else {
if (IS_WALL(levl[dpx][dpy].typ)) {
int rno = inroom(dpx, dpy);
if (rno >= 0 && rooms[rno].rtype >= 8) {
pline("This wall seems too hard to dig into.");
return (0);
}
}
pline("You hit the rock with all your might.");
}
return (1);
}
/* When will hole be finished? Very rough indication used by shopkeeper. */
int
holetime()
{
return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
}
void
dighole()
{
struct trap *ttmp = t_at(u.ux, u.uy);
if (!xdnstair) {
pline("The floor here seems too hard to dig in.");
} else {
if (ttmp)
ttmp->ttyp = TRAPDOOR;
else
ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
ttmp->tseen = 1;
pline("You've made a hole in the floor.");
if (!u.ustuck) {
if (inshop())
shopdig(1);
pline("You fall through ...");
if (u.utraptype == TT_PIT) {
u.utrap = 0;
u.utraptype = 0;
}
goto_level(dlevel + 1, FALSE);
}
}
}
static int
use_pick_axe(obj)
struct obj *obj;
{
char dirsyms[12];
char *dsp = dirsyms, *sdp = sdir;
struct monst *mtmp;
struct rm *lev;
int rx, ry, res = 0;
if (obj != uwep) {
if (uwep && uwep->cursed) {
/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
pline("Since your weapon is welded to your hand,");
pline("you cannot use that pick-axe.");
return (0);
}
pline("You now wield %s.", doname(obj));
setuwep(obj);
res = 1;
}
while (*sdp) {
(void) movecmd(*sdp); /* sets u.dx and u.dy and u.dz */
rx = u.ux + u.dx;
ry = u.uy + u.dy;
if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
(IS_ROCK(levl[rx][ry].typ)
|| sobj_at(ENORMOUS_ROCK, rx, ry))))
*dsp++ = *sdp;
sdp++;
}
*dsp = 0;
pline("In what direction do you want to dig? [%s] ", dirsyms);
if (!getdir(0)) /* no txt */
return (res);
if (u.uswallow && attack(u.ustuck)) /* return(1) */
;
else if (u.dz < 0)
pline("You cannot reach the ceiling.");
else if (u.dz == 0) {
if (Confusion)
confdir();
rx = u.ux + u.dx;
ry = u.uy + u.dy;
if ((mtmp = m_at(rx, ry)) && attack(mtmp))
return (1);
if (!isok(rx, ry)) {
pline("Clash!");
return (1);
}
lev = &levl[rx][ry];
if (lev->typ == DOOR)
pline("Your %s against the door.",
aobjnam(obj, "clang"));
else if (!IS_ROCK(lev->typ)
&& !sobj_at(ENORMOUS_ROCK, rx, ry)) {
/* ACCESSIBLE or POOL */
pline("You swing your %s through thin air.",
aobjnam(obj, (char *) 0));
} else {
if (dig_pos.x != rx || dig_pos.y != ry
|| dig_level != dlevel || dig_down) {
dig_down = FALSE;
dig_pos.x = rx;
dig_pos.y = ry;
dig_level = dlevel;
dig_effort = 0;
pline("You start digging.");
} else
pline("You continue digging.");
occupation = dig;
occtxt = "digging";
}
} else if (Levitation) {
pline("You cannot reach the floor.");
} else {
if (dig_pos.x != u.ux || dig_pos.y != u.uy
|| dig_level != dlevel || !dig_down) {
dig_down = TRUE;
dig_pos.x = u.ux;
dig_pos.y = u.uy;
dig_level = dlevel;
dig_effort = 0;
pline("You start digging in the floor.");
if (inshop())
shopdig(0);
} else
pline("You continue digging in the floor.");
occupation = dig;
occtxt = "digging";
}
return (1);
}