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/* SCCS Id: @(#)engrave.c 3.0 89/11/15
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
VSTATIC struct engr {
struct engr *nxt_engr;
char *engr_txt;
xchar engr_x, engr_y;
unsigned engr_lth; /* for save & restore; not length of text */
long engr_time; /* moment engraving was (will be) finished */
xchar engr_type;
#define DUST 1
#define ENGRAVE 2
#define BURN 3
#define MARK 4
#define POLY 5 /* temporary type - for polymorphing engraving */
} *head_engr;
OSTATIC void FDECL(del_engr, (struct engr *));
OSTATIC struct engr * FDECL(engr_at,(XCHAR_P,XCHAR_P));
#ifdef OVLB
/* random engravings */
const char *random_engr[] =
{"Elbereth", "ad ae?ar um",
"?la? ?as he??",
/* more added by Eric Backus */
"?ilroy wa? h?re", "?ala??iel",
"Fo? a ?ood time c?ll 6?6-4311",
/* some other famous engravings -3. */
"Lasc?ate o?ni sp?ranz? o vo? c?'en?rate",
"Y?u won?t get i? up ?he ste?s",
"A.S. ->"};
#endif /* OVLB */
#ifdef OVL0
XSTATIC struct engr *
engr_at(x,y) register xchar x,y; {
register struct engr *ep = head_engr;
while(ep) {
if(x == ep->engr_x && y == ep->engr_y)
return(ep);
ep = ep->nxt_engr;
}
return((struct engr *) 0);
}
#ifdef ELBERETH
int
sengr_at(s,x,y)
register const char *s;
register xchar x,y;
{
register struct engr *ep = engr_at(x,y);
register char *t;
register int n;
if(ep && ep->engr_time <= moves) {
t = ep->engr_txt;
/*
if(!strcmp(s,t)) return(1);
*/
n = strlen(s);
while(*t) {
if(!strncmp(s,t,n)) return(1);
t++;
}
}
return(0);
}
#endif
#endif /* OVL0 */
#ifdef OVL2
void
u_wipe_engr(cnt)
register int cnt;
{
if(!u.uswallow && !Levitation)
wipe_engr_at(u.ux, u.uy, cnt);
}
#endif /* OVL2 */
#ifdef OVL1
void
wipe_engr_at(x,y,cnt) register xchar x,y,cnt; {
register struct engr *ep = engr_at(x,y);
register int lth,pos;
char ch;
if(ep){
if(ep->engr_type != BURN) {
if(ep->engr_type != DUST) {
cnt = rn2(1 + 50/(cnt+1)) ? 0 : 1;
}
lth = strlen(ep->engr_txt);
if(lth && cnt > 0 ) {
while(cnt--) {
pos = rn2(lth);
if((ch = ep->engr_txt[pos]) == ' ')
continue;
ep->engr_txt[pos] = (ch != '?') ? '?' : ' ';
}
}
while(lth && ep->engr_txt[lth-1] == ' ')
ep->engr_txt[--lth] = 0;
while(ep->engr_txt[0] == ' ')
ep->engr_txt++;
if(!ep->engr_txt[0]) del_engr(ep);
}
}
}
#endif /* OVL1 */
#ifdef OVL2
void
read_engr_at(x,y) register int x,y; {
register struct engr *ep = engr_at(x,y);
register int canfeel;
if(ep && ep->engr_txt[0]) {
switch(ep->engr_type) {
case DUST:
if(!Blind) pline("Something is written here in the dust.");
canfeel = 0;
break;
case ENGRAVE:
pline("Something is engraved here on the floor.");
canfeel = 1;
break;
case BURN:
pline("Some text has been burned here in the floor.");
canfeel = 1;
break;
case MARK:
if(!Blind) pline("There's some graffiti here on the floor.");
canfeel = 0;
break;
default:
impossible("Something is written in a very strange way.");
canfeel = 1;
}
if (canfeel || !Blind)
You("%s: \"%s\".",
(Blind) ? "feel the words" : "read", ep->engr_txt);
}
}
#endif /* OVL2 */
#ifdef OVLB
void
make_engr_at(x,y,s)
register int x,y;
register const char *s;
{
register struct engr *ep;
if(ep = engr_at(x,y))
del_engr(ep);
ep = (struct engr *)
alloc((unsigned)(sizeof(struct engr) + strlen(s) + 1));
ep->nxt_engr = head_engr;
head_engr = ep;
ep->engr_x = x;
ep->engr_y = y;
ep->engr_txt = (char *)(ep + 1);
Strcpy(ep->engr_txt, s);
ep->engr_time = 0;
ep->engr_type = DUST;
ep->engr_lth = strlen(s) + 1;
}
/*
* freehand - returns true if player has a free hand
*/
int
freehand(){
return(!uwep ||
!uwep->cursed ||
(!bimanual(uwep) && (!uarms || !uarms->cursed)));
/* if ((uwep && bimanual(uwep)) ||
(uwep && uarms))
return(0);
else
return(1);*/
}
static const char styluses[] = { '#', '-', TOOL_SYM, WEAPON_SYM, WAND_SYM, 0 };
static const char too_large[] = { ARMOR_SYM, BALL_SYM, ROCK_SYM, 0 };
static const char paper[] = { SCROLL_SYM,
#ifdef SPELLS
SPBOOK_SYM,
#endif
0 };
int
doengrave(){
register int len, tmp;
register char *sp, *sptmp;
register struct engr *ep, *oep = engr_at(u.ux,u.uy);
char buf[BUFSZ];
boolean jello = FALSE;
xchar type, polytype = 0;
int spct; /* number of leading spaces */
register struct obj *otmp;
multi = 0;
if(u.uswallow) {
if (is_animal(u.ustuck->data)) {
pline("What would you write? \"Jonah was here\"?");
return(0);
} else
if (is_whirly(u.ustuck->data)) {
You("can't reach the ground.");
return(0);
} else
jello = TRUE;
}
/* one may write with finger, weapon or wand */
/* edited by GAN 10/20/86 so as not to change
* weapon wielded.
*/
otmp = getobj(styluses, "write with");
if(!otmp) return(0);
/* There's no reason you should be able to write with a wand
* while both your hands are tied up.
*/
if (!freehand() && otmp != uwep && !otmp->owornmask) {
You("have no free %s to write with!", body_part(HAND));
return(0);
}
#ifdef POLYSELF
if (cantwield(uasmon)) {
You("can't even hold anything!");
return(0);
}
#endif
if(otmp == ublindf) {
pline("That is a bit difficult to engrave with, don't you think?");
return(1);
}
if(otmp != &zeroobj && index(too_large,otmp->olet)) {
You("can't engrave with such a large object!");
return(1);
}
if (jello) {
You("tickle %s with your %s.", mon_nam(u.ustuck),
(otmp == &zeroobj) ? makeplural(body_part(FINGER)) :
xname(otmp));
Your("message dissolves...");
return(0);
}
if(otmp != &zeroobj && index(paper,otmp->olet)) {
Your("%s would get dirty.",xname(otmp));
return(1);
}
if(Levitation && otmp->olet != WAND_SYM){ /* riv05!a3 */
You("can't reach the floor!");
return(0);
}
if(otmp == &zeroobj) {
You("write in the dust with your %s.",
makeplural(body_part(FINGER)));
type = DUST;
} else if(otmp->olet == WAND_SYM && zappable(otmp)) {
/* changed so any wand gets zapped out */
if((objects[otmp->otyp].bits & NODIR)) {
zapnodir(otmp);
type = DUST;
} else {
switch(otmp->otyp) {
case WAN_LIGHTNING:
if(!objects[otmp->otyp].oc_name_known) {
if(flags.verbose)
pline("The %s is a wand of lightning!",
xname(otmp));
makeknown(otmp->otyp);
more_experienced(0,10);
}
type = BURN;
break;
case WAN_FIRE:
if(!objects[otmp->otyp].oc_name_known) {
if(flags.verbose)
pline("The %s is a wand of fire!",
xname(otmp));
makeknown(otmp->otyp);
more_experienced(0,10);
}
type = BURN;
break;
case WAN_DIGGING:
if(!objects[otmp->otyp].oc_name_known) {
if(flags.verbose)
pline("The %s is a wand of digging!",
xname(otmp));
makeknown(otmp->otyp);
more_experienced(0,10);
}
type = ENGRAVE;
break;
case WAN_POLYMORPH:
if(oep) {
del_engr(oep);
oep = 0;
type = POLY;
} else
type = DUST;
break;
case WAN_COLD:
type = DUST;
if(!oep || (oep->engr_type != BURN))
break;
case WAN_CANCELLATION:
case WAN_MAKE_INVISIBLE:
if(!oep) { /* Eric Backus */
type = DUST;
break;
}
del_engr(oep);
pline("The engraving on the floor vanishes!");
return(1);
/* break; */
case WAN_TELEPORTATION:
if(!oep)
type = DUST;
else {
register int tx,ty;
do {
tx = rn1(COLNO-3,2);
ty = rn2(ROWNO);
} while(!goodpos(tx,ty,(struct permonst *)0));
oep->engr_x = tx;
oep->engr_y = ty;
pline("The engraving on the floor vanishes!");
return(1);
}
break;
default:
type = DUST;
}
}
if (otmp->spe < 0 && type != POLY) {
dust:
/* If POLY, polymorph the writing and _then_ become dust. */
pline("The %s %sturns to dust.",
xname(otmp), Blind ? "" : "glows violently, then ");
You("are not going to get anywhere writing in the dust with your dust...");
useup(otmp);
return(1);
}
if(type == DUST)
You("write in the dust with %s.",
doname(otmp));
} else {
if((otmp->otyp >= DAGGER && otmp->otyp <= AXE) ||
#ifdef WORM
otmp->otyp == CRYSKNIFE ||
#endif
is_sword(otmp)) {
type = ENGRAVE;
if((int)otmp->spe <= -3) {
Your("%s too dull for engraving.",
aobjnam(otmp, "are"));
type = DUST;
/* following messaged added 10/20/86 - GAN */
You("write in the dust with %s.",
doname(otmp));
} else
You("engrave with %s.", doname(otmp));
} else if(otmp->otyp == MAGIC_MARKER) {
if(otmp->spe <= 0) {
Your("marker is dried out.");
You("write in the dust with the marker.");
type = DUST;
} else {
You("write with %s.", doname(otmp));
type = MARK;
}
} else {
You("write in the dust with %s.",
doname(otmp));
type = DUST;
}
}
if(type != POLY && oep && oep->engr_type == DUST){
You("wipe out the message that was written here.");
del_engr(oep);
oep = 0;
}
if(oep) {
You("cannot wipe out the message that is %s in the rock.",
(oep->engr_type == BURN) ? "burned" :
(oep->engr_type == ENGRAVE) ? "engraved" : "scribbled");
return(1);
}
if(type == POLY) {
polytype = rnd(4);
Strcpy(buf,random_engr[rn2(SIZE(random_engr))]);
switch(polytype){
case DUST:
pline("\"%s\" is now written on the ground.",buf);
break;
case ENGRAVE:
pline("\"%s\" is now engraved in the rock.",buf);
break;
case BURN:
pline("\"%s\" is now burned in the rock.",buf);
break;
case MARK:
pline("\"%s\" is now scribbled on the rock.",buf);
break;
default:
impossible("\"%s\" is now written in a very strange way.",
buf);
}
} else {
pline("What do you want to %s on the floor here? ",
(type == ENGRAVE) ? "engrave" : (type == BURN) ? "burn" : "write");
getlin(buf);
clrlin();
}
spct = 0;
sp = buf;
while(*sp == ' ') spct++, sp++;
len = strlen(sp);
if(!len || *buf == '\033') {
/* changed by GAN 11/01/86 to not recharge wand */
return(1);
}
if(otmp->otyp == WAN_FIRE) {
if (!Blind) pline("Flames fly from the wand.");
else You("feel the wand heat up.");
} else if(otmp->otyp == WAN_LIGHTNING) {
if (!Blind) {
pline("Lightning arcs from the wand.");
You("are blinded by the flash!");
make_blinded((long)rnd(50),FALSE);
} else You("hear crackling!");
} else if(otmp->otyp == WAN_DIGGING) {
if (!Blind) pline("Gravel flies up from the floor.");
else You("hear drilling!");
}
/* kludge by stewr 870708 */
for (sptmp = sp, tmp=0; !(tmp == len); sptmp++,tmp++) {
if (((type == DUST) && !rn2(25))
|| (Blind && !rn2(12))
|| (Confusion && !rn2(3))) {
*sptmp = '!' + rn2(93); /* ASCII-code only */
}
}
switch(type) {
case DUST:
case BURN:
if(len > 15) {
multi = -(len/10);
nomovemsg = "You finish writing.";
}
break;
case ENGRAVE:
case MARK:
{ int len2;
if(type == ENGRAVE)
len2 = (otmp->spe + 3) * 2 + 1;
else
len2 = (otmp->spe) * 2;
nomovemsg = "You finish writing.";
if(type != MARK)
nomovemsg = "You finish engraving.";
if(otmp->olet != WAND_SYM && (otmp->otyp != ATHAME
|| otmp->cursed)) {
if(otmp->olet == WEAPON_SYM)
Your("%s dull.",
aobjnam(otmp, "get"));
if(len2 < len) {
len = len2;
sp[len] = 0;
if(type == ENGRAVE) {
otmp->spe = -3;
} else {
Your("marker dries out!");
otmp->spe = 0;
}
/* next line added by GAN 10/20/86 */
You("only write \"%s\".", sp);
nomovemsg = "You cannot write more.";
} else
otmp->spe -= len >> 1;
if(type == MARK)
multi = -(len/10);
else
multi = -len;
} else
multi = -(len/10);
if (multi == 0)
nomovemsg = (char *)0;
}
break;
case POLY:
type = polytype;
multi = 0;
break;
}
if(oep) len += strlen(oep->engr_txt) + spct;
ep = (struct engr *) alloc((unsigned)(sizeof(struct engr) + len + 1));
ep->nxt_engr = head_engr;
head_engr = ep;
ep->engr_x = u.ux;
ep->engr_y = u.uy;
sp = (char *)(ep + 1); /* (char *)ep + sizeof(struct engr) */
ep->engr_txt = sp;
if(oep) {
Strcpy(sp, oep->engr_txt);
Strcat(sp, buf);
del_engr(oep);
} else
Strcpy(sp, buf);
ep->engr_lth = len+1;
ep->engr_type = type;
ep->engr_time = moves-multi;
/* kludge to protect pline against excessively long texts */
if(len > BUFSZ-20) sp[BUFSZ-20] = 0;
/* cute messages for odd wands */
switch(otmp->otyp) {
case WAN_SLOW_MONSTER:
pline("The bugs on the ground slow down!");
break;
case WAN_SPEED_MONSTER:
pline("The bugs on the ground speed up!");
break;
case WAN_MAGIC_MISSILE:
pline("The ground is riddled by bullet holes!");
break;
case WAN_SLEEP:
case WAN_DEATH: /* can't tell sleep from death - Eric Backus */
pline("The bugs on the ground stop moving!");
break;
case WAN_COLD:
pline("A few ice cubes drop from your %s.",xname(otmp));
break;
case WAN_STRIKING:
pline("The %s unsuccessfully fights your attempt to write!",xname(otmp));
}
if (otmp->otyp == WAN_POLYMORPH && otmp->spe < 0) goto dust;
return(1);
}
void
save_engravings(fd) int fd; {
register struct engr *ep = head_engr;
register struct engr *ep2;
#ifdef __GNULINT__
static long nulls[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
#endif
while(ep) {
ep2 = ep->nxt_engr;
if(ep->engr_lth && ep->engr_txt[0]){
bwrite(fd, (genericptr_t)&(ep->engr_lth), sizeof(ep->engr_lth));
bwrite(fd, (genericptr_t)ep, sizeof(struct engr) + ep->engr_lth);
}
#if defined(DGK)
if (!count_only)
#endif
free((genericptr_t) ep);
ep = ep2;
}
#ifdef __GNULINT__
bwrite(fd, (genericptr_t)nulls, sizeof(unsigned));
#else
bwrite(fd, (genericptr_t)nul, sizeof(unsigned));
#endif
#if defined(DGK)
if (!count_only)
#endif
head_engr = 0;
}
void
rest_engravings(fd) int fd; {
register struct engr *ep;
unsigned lth;
head_engr = 0;
while(1) {
mread(fd, (genericptr_t) <h, sizeof(unsigned));
if(lth == 0) return;
ep = (struct engr *) alloc(sizeof(struct engr) + lth);
mread(fd, (genericptr_t) ep, sizeof(struct engr) + lth);
ep->nxt_engr = head_engr;
ep->engr_txt = (char *) (ep + 1); /* Andreas Bormann */
head_engr = ep;
}
}
XSTATIC void
del_engr(ep) register struct engr *ep; {
register struct engr *ept;
if(ep == head_engr)
head_engr = ep->nxt_engr;
else {
for(ept = head_engr; ept; ept = ept->nxt_engr) {
if(ept->nxt_engr == ep) {
ept->nxt_engr = ep->nxt_engr;
goto fnd;
}
}
impossible("Error in del_engr?");
return;
fnd: ;
}
free((genericptr_t) ep);
}
#endif /* OVLB */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.