OpenBSD-4.6/games/hack/hack.pri.c
/* $OpenBSD: hack.pri.c,v 1.9 2003/05/19 09:00:54 pjanzen 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.
*/
#ifndef lint
static const char rcsid[] = "$OpenBSD: hack.pri.c,v 1.9 2003/05/19 09:00:54 pjanzen Exp $";
#endif /* not lint */
#include <curses.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "hack.h"
xchar scrlx, scrhx, scrly, scrhy; /* corners of new area on screen */
extern char *hu_stat[]; /* in eat.c */
extern char *CD;
static void cornbot(int);
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(char *str, ...)
{
va_list ap;
if(panicking++) exit(1); /* avoid loops - this should never happen*/
home();
puts(" Suddenly, the dungeon collapses.");
fputs(" ERROR: ", stdout);
va_start(ap, str);
vprintf(str, 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(int x, int y, int 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(int x, int 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(schar x, schar 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(50);
prl(prevx, prevy); /* in case there was a monster */
at(prevx, prevy, levl[(int)prevx][(int)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(schar x, schar 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[(int)cnt].x;
yy = tc[(int)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(50);
at(x,y,let);
tc[(int)cnt].x = x;
tc[(int)cnt].y = y;
if(++cnt >= COLNO) panic("Tmp_at overflow?");
levl[(int)x][(int)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(xchar x, xchar 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[(int)(u.udisx = u.ux)][(int)(u.udisy = u.uy)].scrsym = u.usym;
levl[(int)u.udisx][(int)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(int xmin, int 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[(int)u.ux][(int)u.uy].seen = 1;
}
#ifndef NOWORM
extern struct wseg *m_atseg;
#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[(int)u.ux][(int)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(xchar x, xchar y)
{
struct obj *otmp;
struct trap *ttmp;
struct rm *room;
char tmp;
room = &levl[(int)x][(int)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(int x, int 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(int x, int 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(int x, int 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(int x, int 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(int x, int 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(int x, int y)
{
struct monst *mtmp;
return((x == u.ux && y == u.uy && !Invisible)
? 1 :
(mtmp = m_at(x,y))
? ((Blind && Telepat) || canseemon(mtmp)) :
0);
}
void
unpobj(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[(int)mtmp->mx][(int)mtmp->my].typ == POOL);
pmon(mtmp);
#ifndef NOWORM
if(mtmp->wormno) wormsee(mtmp->wormno);
#endif /* NOWORM */
}
}
void
pmon(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(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];
static void
cornbot(int lth)
{
if(lth < sizeof(oldbot)) {
oldbot[lth] = 0;
flags.botl = 1;
}
}
void
bot()
{
char *ob = oldbot, *nb = newbot, *bp;
int i;
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 {
bp = eos(newbot);
(void) snprintf(bp, newbot + sizeof newbot - bp,
"18/%02d",u.ustr-18);
}
} else {
bp = eos(newbot);
(void) snprintf(bp, newbot + sizeof newbot - bp, "%-2d ",u.ustr);
}
bp = eos(newbot);
#ifdef EXP_ON_BOTL
(void) snprintf(bp, newbot + sizeof newbot - bp,
" Exp %2d/%-5lu ", u.ulevel,u.uexp);
#else
(void) snprintf(bp, newbot + sizeof newbot - bp,
" Exp %2u ", u.ulevel);
#endif /* EXP_ON_BOTL */
(void) strlcat(newbot, hu_stat[u.uhs], sizeof newbot);
if(flags.time) {
bp = eos(newbot);
(void) snprintf(bp, newbot + sizeof newbot - bp, " %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) strlcpy(oldbot, newbot, sizeof oldbot);
}
#ifdef WAN_PROBING
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;
clr_screen();
flags.botlx = 1;
}