NetBSD-5.0.2/games/hack/hack.pri.c
/* $NetBSD: hack.pri.c,v 1.9.14.1 2009/06/29 23:22:24 snj 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.pri.c,v 1.9.14.1 2009/06/29 23:22:24 snj Exp $");
#endif /* not lint */
#include "hack.h"
#include "extern.h"
xchar scrlx, scrhx, scrly, scrhy; /* corners of new area on
* screen */
void
swallowed()
{
char ulook[] = "|@|";
ulook[1] = u.usym;
cls();
curs(u.ux - 1, u.uy + 1);
fputs("/-\\", stdout);
curx = u.ux + 2;
curs(u.ux - 1, u.uy + 2);
fputs(ulook, stdout);
curx = u.ux + 2;
curs(u.ux - 1, u.uy + 3);
fputs("\\-/", stdout);
curx = u.ux + 2;
u.udispl = 1;
u.udisx = u.ux;
u.udisy = u.uy;
}
/* VARARGS1 */
boolean panicking;
void
panic(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (panicking++)
exit(1); /* avoid loops - this should never happen */
home();
puts(" Suddenly, the dungeon collapses.");
fputs(" ERROR: ", stdout);
vprintf(fmt, ap);
va_end(ap);
#ifdef DEBUG
#ifdef UNIX
if (!fork())
abort(); /* generate core dump */
#endif /* UNIX */
#endif /* DEBUG */
more(); /* contains a fflush() */
done("panicked");
}
void
atl(x, y, ch)
int x, y, ch;
{
struct rm *crm = &levl[x][y];
if (x < 0 || x > COLNO - 1 || y < 0 || y > ROWNO - 1) {
impossible("atl(%d,%d,%c)", x, y, ch);
return;
}
if (crm->seen && crm->scrsym == ch)
return;
crm->scrsym = ch;
crm->new = 1;
on_scr(x, y);
}
void
on_scr(x, y)
int x, y;
{
if (x < scrlx)
scrlx = x;
if (x > scrhx)
scrhx = x;
if (y < scrly)
scrly = y;
if (y > scrhy)
scrhy = y;
}
/*
* call: (x,y) - display (-1,0) - close (leave last symbol) (-1,-1)- close
* (undo last symbol) (-1,let)-open: initialize symbol (-2,let)-change let
*/
void
tmp_at(x, y)
schar x, y;
{
static schar prevx, prevy;
static char let;
if ((int) x == -2) { /* change let call */
let = y;
return;
}
if ((int) x == -1 && (int) y >= 0) { /* open or close call */
let = y;
prevx = -1;
return;
}
if (prevx >= 0 && cansee(prevx, prevy)) {
delay_output();
prl(prevx, prevy); /* in case there was a monster */
at(prevx, prevy, levl[prevx][prevy].scrsym);
}
if (x >= 0) { /* normal call */
if (cansee(x, y))
at(x, y, let);
prevx = x;
prevy = y;
} else { /* close call */
let = 0;
prevx = -1;
}
}
/* like the previous, but the symbols are first erased on completion */
void
Tmp_at(x, y)
schar x, y;
{
static char let;
static xchar cnt;
static coord tc[COLNO]; /* but watch reflecting beams! */
int xx, yy;
if ((int) x == -1) {
if (y > 0) { /* open call */
let = y;
cnt = 0;
return;
}
/* close call (do not distinguish y==0 and y==-1) */
while (cnt--) {
xx = tc[cnt].x;
yy = tc[cnt].y;
prl(xx, yy);
at(xx, yy, levl[xx][yy].scrsym);
}
cnt = let = 0; /* superfluous */
return;
}
if ((int) x == -2) { /* change let call */
let = y;
return;
}
/* normal call */
if (cansee(x, y)) {
if (cnt)
delay_output();
at(x, y, let);
tc[cnt].x = x;
tc[cnt].y = y;
if (++cnt >= COLNO)
panic("Tmp_at overflow?");
levl[x][y].new = 0; /* prevent pline-nscr erasing --- */
}
}
void
setclipped()
{
error("Hack needs a screen of size at least %d by %d.\n",
ROWNO + 2, COLNO);
}
void
at(x, y, ch)
xchar x, y;
char ch;
{
#ifndef lint
/* if xchar is unsigned, lint will complain about if(x < 0) */
if (x < 0 || x > COLNO - 1 || y < 0 || y > ROWNO - 1) {
impossible("At gets 0%o at %d %d.", ch, x, y);
return;
}
#endif /* lint */
if (!ch) {
impossible("At gets null at %d %d.", x, y);
return;
}
y += 2;
curs(x, y);
(void) putchar(ch);
curx++;
}
void
prme()
{
if (!Invisible)
at(u.ux, u.uy, u.usym);
}
int
doredraw()
{
docrt();
return (0);
}
void
docrt()
{
int x, y;
struct rm *room;
struct monst *mtmp;
if (u.uswallow) {
swallowed();
return;
}
cls();
/*
* Some ridiculous code to get display of @ and monsters (almost)
* right
*/
if (!Invisible) {
levl[(u.udisx = u.ux)][(u.udisy = u.uy)].scrsym = u.usym;
levl[u.udisx][u.udisy].seen = 1;
u.udispl = 1;
} else
u.udispl = 0;
seemons(); /* reset old positions */
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
mtmp->mdispl = 0;
seemons(); /* force new positions to be shown */
/*
* This nonsense should disappear soon
* ---------------------------------
*/
for (y = 0; y < ROWNO; y++)
for (x = 0; x < COLNO; x++)
if ((room = &levl[x][y])->new) {
room->new = 0;
at(x, y, room->scrsym);
} else if (room->seen)
at(x, y, room->scrsym);
scrlx = COLNO;
scrly = ROWNO;
scrhx = scrhy = 0;
flags.botlx = 1;
bot();
}
void
docorner(xmin, ymax)
int xmin, ymax;
{
int x, y;
struct rm *room;
struct monst *mtmp;
if (u.uswallow) { /* Can be done more efficiently */
swallowed();
return;
}
seemons(); /* reset old positions */
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->mx >= xmin && mtmp->my < ymax)
mtmp->mdispl = 0;
seemons(); /* force new positions to be shown */
for (y = 0; y < ymax; y++) {
if (y > ROWNO && CD)
break;
curs(xmin, y + 2);
cl_end();
if (y < ROWNO) {
for (x = xmin; x < COLNO; x++) {
if ((room = &levl[x][y])->new) {
room->new = 0;
at(x, y, room->scrsym);
} else if (room->seen)
at(x, y, room->scrsym);
}
}
}
if (ymax > ROWNO) {
cornbot(xmin - 1);
if (ymax > ROWNO + 1 && CD) {
curs(1, ROWNO + 3);
cl_eos();
}
}
}
void
curs_on_u()
{
curs(u.ux, u.uy + 2);
}
void
pru()
{
if (u.udispl && (Invisible || u.udisx != u.ux || u.udisy != u.uy))
/* if(! levl[u.udisx][u.udisy].new) */
if (!vism_at(u.udisx, u.udisy))
newsym(u.udisx, u.udisy);
if (Invisible) {
u.udispl = 0;
prl(u.ux, u.uy);
} else if (!u.udispl || u.udisx != u.ux || u.udisy != u.uy) {
atl(u.ux, u.uy, u.usym);
u.udispl = 1;
u.udisx = u.ux;
u.udisy = u.uy;
}
levl[u.ux][u.uy].seen = 1;
}
#ifndef NOWORM
#include "def.wseg.h"
#endif /* NOWORM */
/* print a position that is visible for @ */
void
prl(int x, int y)
{
struct rm *room;
struct monst *mtmp;
struct obj *otmp;
if (x == u.ux && y == u.uy && (!Invisible)) {
pru();
return;
}
if (!isok(x, y))
return;
room = &levl[x][y];
if ((!room->typ) ||
(IS_ROCK(room->typ) && levl[u.ux][u.uy].typ == CORR))
return;
if ((mtmp = m_at(x, y)) && !mtmp->mhide &&
(!mtmp->minvis || See_invisible)) {
#ifndef NOWORM
if (m_atseg)
pwseg(m_atseg);
else
#endif /* NOWORM */
pmon(mtmp);
} else if ((otmp = o_at(x, y)) && room->typ != POOL)
atl(x, y, otmp->olet);
else if (mtmp && (!mtmp->minvis || See_invisible)) {
/* must be a hiding monster, but not hiding right now */
/* assume for the moment that long worms do not hide */
pmon(mtmp);
} else if (g_at(x, y) && room->typ != POOL)
atl(x, y, '$');
else if (!room->seen || room->scrsym == ' ') {
room->new = room->seen = 1;
newsym(x, y);
on_scr(x, y);
}
room->seen = 1;
}
char
news0(x, y)
xchar x, y;
{
struct obj *otmp;
struct trap *ttmp;
struct rm *room;
char tmp;
room = &levl[x][y];
if (!room->seen)
tmp = ' ';
else if (room->typ == POOL)
tmp = POOL_SYM;
else if (!Blind && (otmp = o_at(x, y)))
tmp = otmp->olet;
else if (!Blind && g_at(x, y))
tmp = '$';
else if (x == xupstair && y == yupstair)
tmp = '<';
else if (x == xdnstair && y == ydnstair)
tmp = '>';
else if ((ttmp = t_at(x, y)) && ttmp->tseen)
tmp = '^';
else
switch (room->typ) {
case SCORR:
case SDOOR:
tmp = room->scrsym; /* %% wrong after killing
* mimic ! */
break;
case HWALL:
tmp = '-';
break;
case VWALL:
tmp = '|';
break;
case LDOOR:
case DOOR:
tmp = '+';
break;
case CORR:
tmp = CORR_SYM;
break;
case ROOM:
if (room->lit || cansee(x, y) || Blind)
tmp = '.';
else
tmp = ' ';
break;
/*
case POOL:
tmp = POOL_SYM;
break;
*/
default:
tmp = ERRCHAR;
}
return (tmp);
}
void
newsym(x, y)
int x, y;
{
atl(x, y, news0(x, y));
}
/* used with wand of digging (or pick-axe): fill scrsym and force display */
/* also when a POOL evaporates */
void
mnewsym(x, y)
int x, y;
{
struct rm *room;
char newscrsym;
if (!vism_at(x, y)) {
room = &levl[x][y];
newscrsym = news0(x, y);
if (room->scrsym != newscrsym) {
room->scrsym = newscrsym;
room->seen = 0;
}
}
}
void
nosee(x, y)
int x, y;
{
struct rm *room;
if (!isok(x, y))
return;
room = &levl[x][y];
if (room->scrsym == '.' && !room->lit && !Blind) {
room->scrsym = ' ';
room->new = 1;
on_scr(x, y);
}
}
#ifndef QUEST
void
prl1(x, y)
int x, y;
{
if (u.dx) {
if (u.dy) {
prl(x - (2 * u.dx), y);
prl(x - u.dx, y);
prl(x, y);
prl(x, y - u.dy);
prl(x, y - (2 * u.dy));
} else {
prl(x, y - 1);
prl(x, y);
prl(x, y + 1);
}
} else {
prl(x - 1, y);
prl(x, y);
prl(x + 1, y);
}
}
void
nose1(x, y)
int x, y;
{
if (u.dx) {
if (u.dy) {
nosee(x, u.uy);
nosee(x, u.uy - u.dy);
nosee(x, y);
nosee(u.ux - u.dx, y);
nosee(u.ux, y);
} else {
nosee(x, y - 1);
nosee(x, y);
nosee(x, y + 1);
}
} else {
nosee(x - 1, y);
nosee(x, y);
nosee(x + 1, y);
}
}
#endif /* QUEST */
int
vism_at(x, y)
int x, y;
{
struct monst *mtmp;
return ((x == u.ux && y == u.uy && !Invisible)
? 1 :
(mtmp = m_at(x, y))
? ((Blind && Telepat) || canseemon(mtmp)) :
0);
}
#ifdef NEWSCR
void
pobj(obj)
struct obj *obj;
{
int show = (!obj->oinvis || See_invisible) &&
cansee(obj->ox, obj->oy);
if (obj->odispl) {
if (obj->odx != obj->ox || obj->ody != obj->oy || !show)
if (!vism_at(obj->odx, obj->ody)) {
newsym(obj->odx, obj->ody);
obj->odispl = 0;
}
}
if (show && !vism_at(obj->ox, obj->oy)) {
atl(obj->ox, obj->oy, obj->olet);
obj->odispl = 1;
obj->odx = obj->ox;
obj->ody = obj->oy;
}
}
#endif /* NEWSCR */
void
unpobj(obj)
struct obj *obj;
{
/*
* if(obj->odispl){ if(!vism_at(obj->odx, obj->ody)) newsym(obj->odx,
* obj->ody); obj->odispl = 0; }
*/
if (!vism_at(obj->ox, obj->oy))
newsym(obj->ox, obj->oy);
}
void
seeobjs()
{
struct obj *obj, *obj2;
for (obj = fobj; obj; obj = obj2) {
obj2 = obj->nobj;
if (obj->olet == FOOD_SYM && obj->otyp >= CORPSE
&& obj->age + 250 < moves)
delobj(obj);
}
for (obj = invent; obj; obj = obj2) {
obj2 = obj->nobj;
if (obj->olet == FOOD_SYM && obj->otyp >= CORPSE
&& obj->age + 250 < moves)
useup(obj);
}
}
void
seemons()
{
struct monst *mtmp;
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
if (mtmp->data->mlet == ';')
mtmp->minvis = (u.ustuck != mtmp &&
levl[mtmp->mx][mtmp->my].typ == POOL);
pmon(mtmp);
#ifndef NOWORM
if (mtmp->wormno)
wormsee(mtmp->wormno);
#endif /* NOWORM */
}
}
void
pmon(mon)
struct monst *mon;
{
int show = (Blind && Telepat) || canseemon(mon);
if (mon->mdispl) {
if (mon->mdx != mon->mx || mon->mdy != mon->my || !show)
unpmon(mon);
}
if (show && !mon->mdispl) {
atl(mon->mx, mon->my,
(!mon->mappearance
|| u.uprops[PROP(RIN_PROTECTION_FROM_SHAPE_CHANGERS)].p_flgs
) ? mon->data->mlet : mon->mappearance);
mon->mdispl = 1;
mon->mdx = mon->mx;
mon->mdy = mon->my;
}
}
void
unpmon(mon)
struct monst *mon;
{
if (mon->mdispl) {
newsym(mon->mdx, mon->mdy);
mon->mdispl = 0;
}
}
void
nscr()
{
int x, y;
struct rm *room;
if (u.uswallow || u.ux == FAR || flags.nscrinh)
return;
pru();
for (y = scrly; y <= scrhy; y++)
for (x = scrlx; x <= scrhx; x++)
if ((room = &levl[x][y])->new) {
room->new = 0;
at(x, y, room->scrsym);
}
scrhx = scrhy = 0;
scrlx = COLNO;
scrly = ROWNO;
}
/* 100 suffices for bot(); no relation with COLNO */
char oldbot[100], newbot[100];
void
cornbot(lth)
int lth;
{
if ((unsigned)lth < sizeof(oldbot)) {
oldbot[lth] = 0;
flags.botl = 1;
}
}
void
bot()
{
char *ob = oldbot, *nb = newbot;
int i;
size_t pos;
if (flags.botlx)
*ob = 0;
flags.botl = flags.botlx = 0;
#ifdef GOLD_ON_BOTL
(void) snprintf(newbot, sizeof(newbot),
"Level %-2d Gold %-5lu Hp %3d(%d) Ac %-2d Str ",
dlevel, u.ugold, u.uhp, u.uhpmax, u.uac);
#else
(void) snprintf(newbot, sizeof(newbot),
"Level %-2d Hp %3d(%d) Ac %-2d Str ",
dlevel, u.uhp, u.uhpmax, u.uac);
#endif /* GOLD_ON_BOTL */
if (u.ustr > 18) {
if (u.ustr > 117)
(void) strlcat(newbot, "18/**", sizeof(newbot));
else {
pos = strlen(newbot);
(void) snprintf(newbot+pos, sizeof(newbot)-pos,
"18/%02d", u.ustr - 18);
}
} else {
pos = strlen(newbot);
(void) snprintf(newbot+pos, sizeof(newbot)-pos,
"%-2d ", u.ustr);
}
pos = strlen(newbot);
#ifdef EXP_ON_BOTL
(void) snprintf(newbot+pos, sizeof(newbot)-pos,
" Exp %2d/%-5lu ", u.ulevel, u.uexp);
#else
(void) snprintf(newbot+pos, sizeof(newbot)-pos,
" Exp %2u ", u.ulevel);
#endif /* EXP_ON_BOTL */
(void) strlcat(newbot, hu_stat[u.uhs], sizeof(newbot));
if (flags.time) {
pos = strlen(newbot);
(void) snprintf(newbot+pos, sizeof(newbot)-pos,
" %ld", moves);
}
if (strlen(newbot) >= COLNO) {
char *bp0, *bp1;
bp0 = bp1 = newbot;
do {
if (*bp0 != ' ' || bp0[1] != ' ' || bp0[2] != ' ')
*bp1++ = *bp0;
} while (*bp0++);
}
for (i = 1; i < COLNO; i++) {
if (*ob != *nb) {
curs(i, ROWNO + 2);
(void) putchar(*nb ? *nb : ' ');
curx++;
}
if (*ob)
ob++;
if (*nb)
nb++;
}
(void) strcpy(oldbot, newbot);
}
#ifdef WAN_PROBING
void
mstatusline(mtmp)
struct monst *mtmp;
{
pline("Status of %s: ", monnam(mtmp));
pline("Level %-2d Gold %-5lu Hp %3d(%d) Ac %-2d Dam %d",
mtmp->data->mlevel, mtmp->mgold, mtmp->mhp, mtmp->mhpmax,
mtmp->data->ac, (mtmp->data->damn + 1) * (mtmp->data->damd + 1));
}
#endif /* WAN_PROBING */
void
cls()
{
if (flags.toplin == 1)
more();
flags.toplin = 0;
clear_screen();
flags.botlx = 1;
}