freebsd-dev/games/hack/hack.invent.c
2002-05-23 00:38:07 +00:00

865 lines
18 KiB
C

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.invent.c - version 1.0.3 */
/* $FreeBSD$ */
#include "hack.h"
#include <stdio.h>
extern struct obj *splitobj();
extern struct obj zeroobj;
extern char morc;
extern char quitchars[];
static char *xprname();
#ifndef NOWORM
#include "def.wseg.h"
extern struct wseg *wsegs[32];
#endif /* NOWORM */
#define NOINVSYM '#'
static int lastinvnr = 51; /* 0 ... 51 */
static
assigninvlet(otmp)
struct obj *otmp;
{
boolean inuse[52];
int i;
struct obj *obj;
for(i = 0; i < 52; i++) inuse[i] = FALSE;
for(obj = invent; obj; obj = obj->nobj) if(obj != otmp) {
i = obj->invlet;
if('a' <= i && i <= 'z') inuse[i - 'a'] = TRUE; else
if('A' <= i && i <= 'Z') inuse[i - 'A' + 26] = TRUE;
if(i == otmp->invlet) otmp->invlet = 0;
}
if((i = otmp->invlet) &&
(('a' <= i && i <= 'z') || ('A' <= i && i <= 'Z')))
return;
for(i = lastinvnr+1; i != lastinvnr; i++) {
if(i == 52) { i = -1; continue; }
if(!inuse[i]) break;
}
otmp->invlet = (inuse[i] ? NOINVSYM :
(i < 26) ? ('a'+i) : ('A'+i-26));
lastinvnr = i;
}
struct obj *
addinv(obj)
struct obj *obj;
{
struct obj *otmp;
/* merge or attach to end of chain */
if(!invent) {
invent = obj;
otmp = 0;
} else
for(otmp = invent; /* otmp */; otmp = otmp->nobj) {
if(merged(otmp, obj, 0))
return(otmp);
if(!otmp->nobj) {
otmp->nobj = obj;
break;
}
}
obj->nobj = 0;
if(flags.invlet_constant) {
assigninvlet(obj);
/*
* The ordering of the chain is nowhere significant
* so in case you prefer some other order than the
* historical one, change the code below.
*/
if(otmp) { /* find proper place in chain */
otmp->nobj = 0;
if((invent->invlet ^ 040) > (obj->invlet ^ 040)) {
obj->nobj = invent;
invent = obj;
} else
for(otmp = invent; ; otmp = otmp->nobj) {
if(!otmp->nobj ||
(otmp->nobj->invlet ^ 040) > (obj->invlet ^ 040)){
obj->nobj = otmp->nobj;
otmp->nobj = obj;
break;
}
}
}
}
return(obj);
}
useup(obj)
struct obj *obj;
{
if(obj->quan > 1){
obj->quan--;
obj->owt = weight(obj);
} else {
setnotworn(obj);
freeinv(obj);
obfree(obj, (struct obj *) 0);
}
}
freeinv(obj)
struct obj *obj;
{
struct obj *otmp;
if(obj == invent)
invent = invent->nobj;
else {
for(otmp = invent; otmp->nobj != obj; otmp = otmp->nobj)
if(!otmp->nobj) panic("freeinv");
otmp->nobj = obj->nobj;
}
}
/* destroy object in fobj chain (if unpaid, it remains on the bill) */
delobj(obj) struct obj *obj; {
freeobj(obj);
unpobj(obj);
obfree(obj, (struct obj *) 0);
}
/* unlink obj from chain starting with fobj */
freeobj(obj) struct obj *obj; {
struct obj *otmp;
if(obj == fobj) fobj = fobj->nobj;
else {
for(otmp = fobj; otmp->nobj != obj; otmp = otmp->nobj)
if(!otmp) panic("error in freeobj");
otmp->nobj = obj->nobj;
}
}
/* Note: freegold throws away its argument! */
freegold(gold) struct gold *gold; {
struct gold *gtmp;
if(gold == fgold) fgold = gold->ngold;
else {
for(gtmp = fgold; gtmp->ngold != gold; gtmp = gtmp->ngold)
if(!gtmp) panic("error in freegold");
gtmp->ngold = gold->ngold;
}
free((char *) gold);
}
deltrap(trap)
struct trap *trap;
{
struct trap *ttmp;
if(trap == ftrap)
ftrap = ftrap->ntrap;
else {
for(ttmp = ftrap; ttmp->ntrap != trap; ttmp = ttmp->ntrap) ;
ttmp->ntrap = trap->ntrap;
}
free((char *) trap);
}
struct wseg *m_atseg;
struct monst *
m_at(x,y)
int x,y;
{
struct monst *mtmp;
#ifndef NOWORM
struct wseg *wtmp;
#endif /* NOWORM */
m_atseg = 0;
for(mtmp = fmon; mtmp; mtmp = mtmp->nmon){
if(mtmp->mx == x && mtmp->my == y)
return(mtmp);
#ifndef NOWORM
if(mtmp->wormno){
for(wtmp = wsegs[mtmp->wormno]; wtmp; wtmp = wtmp->nseg)
if(wtmp->wx == x && wtmp->wy == y){
m_atseg = wtmp;
return(mtmp);
}
}
#endif /* NOWORM */
}
return(0);
}
struct obj *
o_at(x,y)
int x,y;
{
struct obj *otmp;
for(otmp = fobj; otmp; otmp = otmp->nobj)
if(otmp->ox == x && otmp->oy == y) return(otmp);
return(0);
}
struct obj *
sobj_at(n,x,y)
int n,x,y;
{
struct obj *otmp;
for(otmp = fobj; otmp; otmp = otmp->nobj)
if(otmp->ox == x && otmp->oy == y && otmp->otyp == n)
return(otmp);
return(0);
}
carried(obj) struct obj *obj; {
struct obj *otmp;
for(otmp = invent; otmp; otmp = otmp->nobj)
if(otmp == obj) return(1);
return(0);
}
carrying(type)
int type;
{
struct obj *otmp;
for(otmp = invent; otmp; otmp = otmp->nobj)
if(otmp->otyp == type)
return(TRUE);
return(FALSE);
}
struct obj *
o_on(id, objchn) unsigned int id; struct obj *objchn; {
while(objchn) {
if(objchn->o_id == id) return(objchn);
objchn = objchn->nobj;
}
return((struct obj *) 0);
}
struct trap *
t_at(x,y)
int x,y;
{
struct trap *trap = ftrap;
while(trap) {
if(trap->tx == x && trap->ty == y) return(trap);
trap = trap->ntrap;
}
return(0);
}
struct gold *
g_at(x,y)
int x,y;
{
struct gold *gold = fgold;
while(gold) {
if(gold->gx == x && gold->gy == y) return(gold);
gold = gold->ngold;
}
return(0);
}
/* make dummy object structure containing gold - for temporary use only */
struct obj *
mkgoldobj(q)
long q;
{
struct obj *otmp;
otmp = newobj(0);
/* should set o_id etc. but otmp will be freed soon */
otmp->olet = '$';
u.ugold -= q;
OGOLD(otmp) = q;
flags.botl = 1;
return(otmp);
}
/*
* getobj returns:
* struct obj *xxx: object to do something with.
* (struct obj *) 0 error return: no object.
* &zeroobj explicitly no object (as in w-).
*/
struct obj *
getobj(let,word)
char *let,*word;
{
struct obj *otmp;
char ilet,ilet1,ilet2;
char buf[BUFSZ];
char lets[BUFSZ];
int foo = 0, foo2;
char *bp = buf;
xchar allowcnt = 0; /* 0, 1 or 2 */
boolean allowgold = FALSE;
boolean allowall = FALSE;
boolean allownone = FALSE;
xchar foox = 0;
long cnt;
if(*let == '0') let++, allowcnt = 1;
if(*let == '$') let++, allowgold = TRUE;
if(*let == '#') let++, allowall = TRUE;
if(*let == '-') let++, allownone = TRUE;
if(allownone) *bp++ = '-';
if(allowgold) *bp++ = '$';
if(bp > buf && bp[-1] == '-') *bp++ = ' ';
ilet = 'a';
for(otmp = invent; otmp; otmp = otmp->nobj){
if(!*let || index(let, otmp->olet)) {
bp[foo++] = flags.invlet_constant ? otmp->invlet : ilet;
/* ugly check: remove inappropriate things */
if((!strcmp(word, "take off") &&
!(otmp->owornmask & (W_ARMOR - W_ARM2)))
|| (!strcmp(word, "wear") &&
(otmp->owornmask & (W_ARMOR | W_RING)))
|| (!strcmp(word, "wield") &&
(otmp->owornmask & W_WEP))) {
foo--;
foox++;
}
}
if(ilet == 'z') ilet = 'A'; else ilet++;
}
bp[foo] = 0;
if(foo == 0 && bp > buf && bp[-1] == ' ') *--bp = 0;
(void) strcpy(lets, bp); /* necessary since we destroy buf */
if(foo > 5) { /* compactify string */
foo = foo2 = 1;
ilet2 = bp[0];
ilet1 = bp[1];
while(ilet = bp[++foo2] = bp[++foo]){
if(ilet == ilet1+1){
if(ilet1 == ilet2+1)
bp[foo2 - 1] = ilet1 = '-';
else if(ilet2 == '-') {
bp[--foo2] = ++ilet1;
continue;
}
}
ilet2 = ilet1;
ilet1 = ilet;
}
}
if(!foo && !allowall && !allowgold && !allownone) {
pline("You don't have anything %sto %s.",
foox ? "else " : "", word);
return(0);
}
for(;;) {
if(!buf[0])
pline("What do you want to %s [*]? ", word);
else
pline("What do you want to %s [%s or ?*]? ",
word, buf);
cnt = 0;
ilet = readchar();
while(digit(ilet) && allowcnt) {
if (cnt < 100000000)
cnt = 10*cnt + (ilet - '0');
else
cnt = 999999999;
allowcnt = 2; /* signal presence of cnt */
ilet = readchar();
}
if(digit(ilet)) {
pline("No count allowed with this command.");
continue;
}
if(index(quitchars,ilet))
return((struct obj *)0);
if(ilet == '-') {
return(allownone ? &zeroobj : (struct obj *) 0);
}
if(ilet == '$') {
if(!allowgold){
pline("You cannot %s gold.", word);
continue;
}
if(!(allowcnt == 2 && cnt < u.ugold))
cnt = u.ugold;
return(mkgoldobj(cnt));
}
if(ilet == '?') {
doinv(lets);
if(!(ilet = morc)) continue;
/* he typed a letter (not a space) to more() */
} else if(ilet == '*') {
doinv((char *) 0);
if(!(ilet = morc)) continue;
/* ... */
}
if(flags.invlet_constant) {
for(otmp = invent; otmp; otmp = otmp->nobj)
if(otmp->invlet == ilet) break;
} else {
if(ilet >= 'A' && ilet <= 'Z') ilet += 'z'-'A'+1;
ilet -= 'a';
for(otmp = invent; otmp && ilet;
ilet--, otmp = otmp->nobj) ;
}
if(!otmp) {
pline("You don't have that object.");
continue;
}
if(cnt < 0 || otmp->quan < cnt) {
pline("You don't have that many! [You have %u]"
, otmp->quan);
continue;
}
break;
}
if(!allowall && let && !index(let,otmp->olet)) {
pline("That is a silly thing to %s.",word);
return(0);
}
if(allowcnt == 2) { /* cnt given */
if(cnt == 0) return(0);
if(cnt != otmp->quan) {
struct obj *obj;
obj = splitobj(otmp, (int) cnt);
if(otmp == uwep) setuwep(obj);
}
}
return(otmp);
}
ckunpaid(otmp) struct obj *otmp; {
return( otmp->unpaid );
}
/* interactive version of getobj - used for Drop and Identify */
/* return the number of times fn was called successfully */
ggetobj(word, fn, max)
char *word;
int (*fn)(), max;
{
char buf[BUFSZ];
char *ip;
char sym;
int oletct = 0, iletct = 0;
boolean allflag = FALSE;
char olets[20], ilets[20];
int (*ckfn)() = (int (*)()) 0;
xchar allowgold = (u.ugold && !strcmp(word, "drop")) ? 1 : 0; /* BAH */
if(!invent && !allowgold){
pline("You have nothing to %s.", word);
return(0);
} else {
struct obj *otmp = invent;
int uflg = 0;
if(allowgold) ilets[iletct++] = '$';
ilets[iletct] = 0;
while(otmp) {
if(!index(ilets, otmp->olet)){
ilets[iletct++] = otmp->olet;
ilets[iletct] = 0;
}
if(otmp->unpaid) uflg = 1;
otmp = otmp->nobj;
}
ilets[iletct++] = ' ';
if(uflg) ilets[iletct++] = 'u';
if(invent) ilets[iletct++] = 'a';
ilets[iletct] = 0;
}
pline("What kinds of thing do you want to %s? [%s] ",
word, ilets);
getlin(buf);
if(buf[0] == '\033') {
clrlin();
return(0);
}
ip = buf;
olets[0] = 0;
while(sym = *ip++){
if(sym == ' ') continue;
if(sym == '$') {
if(allowgold == 1)
(*fn)(mkgoldobj(u.ugold));
else if(!u.ugold)
pline("You have no gold.");
allowgold = 2;
} else
if(sym == 'a' || sym == 'A') allflag = TRUE; else
if(sym == 'u' || sym == 'U') ckfn = ckunpaid; else
if(index("!%?[()=*/\"0", sym)){
if(!index(olets, sym)){
olets[oletct++] = sym;
olets[oletct] = 0;
}
}
else pline("You don't have any %c's.", sym);
}
if(allowgold == 2 && !oletct)
return(1); /* he dropped gold (or at least tried to) */
else
return(askchain(invent, olets, allflag, fn, ckfn, max));
}
/*
* Walk through the chain starting at objchn and ask for all objects
* with olet in olets (if nonNULL) and satisfying ckfn (if nonNULL)
* whether the action in question (i.e., fn) has to be performed.
* If allflag then no questions are asked. Max gives the max nr of
* objects to be treated. Return the number of objects treated.
*/
askchain(objchn, olets, allflag, fn, ckfn, max)
struct obj *objchn;
char *olets;
int allflag;
int (*fn)(), (*ckfn)();
int max;
{
struct obj *otmp, *otmp2;
char sym, ilet;
int cnt = 0;
ilet = 'a'-1;
for(otmp = objchn; otmp; otmp = otmp2){
if(ilet == 'z') ilet = 'A'; else ilet++;
otmp2 = otmp->nobj;
if(olets && *olets && !index(olets, otmp->olet)) continue;
if(ckfn && !(*ckfn)(otmp)) continue;
if(!allflag) {
pline(xprname(otmp, ilet));
addtopl(" [nyaq]? ");
sym = readchar();
}
else sym = 'y';
switch(sym){
case 'a':
allflag = 1;
case 'y':
cnt += (*fn)(otmp);
if(--max == 0) goto ret;
case 'n':
default:
break;
case 'q':
goto ret;
}
}
pline(cnt ? "That was all." : "No applicable objects.");
ret:
return(cnt);
}
obj_to_let(obj) /* should of course only be called for things in invent */
struct obj *obj;
{
struct obj *otmp;
char ilet;
if(flags.invlet_constant)
return(obj->invlet);
ilet = 'a';
for(otmp = invent; otmp && otmp != obj; otmp = otmp->nobj)
if(++ilet > 'z') ilet = 'A';
return(otmp ? ilet : NOINVSYM);
}
prinv(obj)
struct obj *obj;
{
pline(xprname(obj, obj_to_let(obj)));
}
static char *
xprname(obj,let)
struct obj *obj;
char let;
{
static char li[BUFSZ];
(void) sprintf(li, "%c - %s.",
flags.invlet_constant ? obj->invlet : let,
doname(obj));
return(li);
}
ddoinv()
{
doinv((char *) 0);
return(0);
}
/* called with 0 or "": all objects in inventory */
/* otherwise: all objects with (serial) letter in lets */
doinv(lets)
char *lets;
{
struct obj *otmp;
char ilet;
int ct = 0;
char any[BUFSZ];
morc = 0; /* just to be sure */
if(!invent){
pline("Not carrying anything.");
return;
}
cornline(0, (char *) 0);
ilet = 'a';
for(otmp = invent; otmp; otmp = otmp->nobj) {
if(flags.invlet_constant) ilet = otmp->invlet;
if(!lets || !*lets || index(lets, ilet)) {
cornline(1, xprname(otmp, ilet));
any[ct++] = ilet;
}
if(!flags.invlet_constant) if(++ilet > 'z') ilet = 'A';
}
any[ct] = 0;
cornline(2, any);
}
dotypeinv () /* free after Robert Viduya */
/* Changed to one type only, so he doesnt have to type cr */
{
char c, ilet;
char stuff[BUFSZ];
int stct;
struct obj *otmp;
boolean billx = inshop() && doinvbill(0);
boolean unpd = FALSE;
if (!invent && !u.ugold && !billx) {
pline ("You aren't carrying anything.");
return(0);
}
stct = 0;
if(u.ugold) stuff[stct++] = '$';
stuff[stct] = 0;
for(otmp = invent; otmp; otmp = otmp->nobj) {
if (!index (stuff, otmp->olet)) {
stuff[stct++] = otmp->olet;
stuff[stct] = 0;
}
if(otmp->unpaid)
unpd = TRUE;
}
if(unpd) stuff[stct++] = 'u';
if(billx) stuff[stct++] = 'x';
stuff[stct] = 0;
if(stct > 1) {
pline ("What type of object [%s] do you want an inventory of? ",
stuff);
c = readchar();
if(index(quitchars,c)) return(0);
} else
c = stuff[0];
if(c == '$')
return(doprgold());
if(c == 'x' || c == 'X') {
if(billx)
(void) doinvbill(1);
else
pline("No used-up objects on the shopping bill.");
return(0);
}
if((c == 'u' || c == 'U') && !unpd) {
pline("You are not carrying any unpaid objects.");
return(0);
}
stct = 0;
ilet = 'a';
for (otmp = invent; otmp; otmp = otmp -> nobj) {
if(flags.invlet_constant) ilet = otmp->invlet;
if (c == otmp -> olet || (c == 'u' && otmp -> unpaid))
stuff[stct++] = ilet;
if(!flags.invlet_constant) if(++ilet > 'z') ilet = 'A';
}
stuff[stct] = '\0';
if(stct == 0)
pline("You have no such objects.");
else
doinv (stuff);
return(0);
}
/* look at what is here */
dolook() {
struct obj *otmp, *otmp0;
struct gold *gold;
char *verb = Blind ? "feel" : "see";
int ct = 0;
if(!u.uswallow) {
if(Blind) {
pline("You try to feel what is lying here on the floor.");
if(Levitation) { /* ab@unido */
pline("You cannot reach the floor!");
return(1);
}
}
otmp0 = o_at(u.ux, u.uy);
gold = g_at(u.ux, u.uy);
}
if(u.uswallow || (!otmp0 && !gold)) {
pline("You %s no objects here.", verb);
return(!!Blind);
}
cornline(0, "Things that are here:");
for(otmp = otmp0; otmp; otmp = otmp->nobj) {
if(otmp->ox == u.ux && otmp->oy == u.uy) {
ct++;
cornline(1, doname(otmp));
if(Blind && otmp->otyp == DEAD_COCKATRICE && !uarmg) {
pline("Touching the dead cockatrice is a fatal mistake ...");
pline("You die ...");
killer = "dead cockatrice";
done("died");
}
}
}
if(gold) {
char gbuf[30];
(void) sprintf(gbuf, "%ld gold piece%s",
gold->amount, plur(gold->amount));
if(!ct++)
pline("You %s here %s.", verb, gbuf);
else
cornline(1, gbuf);
}
if(ct == 1 && !gold) {
pline("You %s here %s.", verb, doname(otmp0));
cornline(3, (char *) 0);
}
if(ct > 1)
cornline(2, (char *) 0);
return(!!Blind);
}
stackobj(obj) struct obj *obj; {
struct obj *otmp = fobj;
for(otmp = fobj; otmp; otmp = otmp->nobj) if(otmp != obj)
if(otmp->ox == obj->ox && otmp->oy == obj->oy &&
merged(obj,otmp,1))
return;
}
/* merge obj with otmp and delete obj if types agree */
merged(otmp,obj,lose) struct obj *otmp, *obj; {
if(obj->otyp == otmp->otyp &&
obj->unpaid == otmp->unpaid &&
obj->spe == otmp->spe &&
obj->dknown == otmp->dknown &&
obj->cursed == otmp->cursed &&
(index("%*?!", obj->olet) ||
(obj->known == otmp->known &&
(obj->olet == WEAPON_SYM && obj->otyp < BOOMERANG)))) {
otmp->quan += obj->quan;
otmp->owt += obj->owt;
if(lose) freeobj(obj);
obfree(obj,otmp); /* free(obj), bill->otmp */
return(1);
} else return(0);
}
/*
* Gold is no longer displayed; in fact, when you have a lot of money,
* it may take a while before you have counted it all.
* [Bug: d$ and pickup still tell you how much it was.]
*/
extern int (*occupation)();
extern char *occtxt;
static long goldcounted;
countgold(){
if((goldcounted += 100*(u.ulevel + 1)) >= u.ugold) {
long eps = 0;
if(!rn2(2)) eps = rnd((int) (u.ugold/100 + 1));
pline("You probably have about %ld gold pieces.",
u.ugold + eps);
return(0); /* done */
}
return(1); /* continue */
}
doprgold(){
if(!u.ugold)
pline("You do not carry any gold.");
else if(u.ugold <= 500)
pline("You are carrying %ld gold pieces.", u.ugold);
else {
pline("You sit down in order to count your gold pieces.");
goldcounted = 500;
occupation = countgold;
occtxt = "counting your gold";
}
return(1);
}
/* --- end of gold counting section --- */
doprwep(){
if(!uwep) pline("You are empty handed.");
else prinv(uwep);
return(0);
}
doprarm(){
if(!uarm && !uarmg && !uarms && !uarmh)
pline("You are not wearing any armor.");
else {
char lets[6];
int ct = 0;
if(uarm) lets[ct++] = obj_to_let(uarm);
if(uarm2) lets[ct++] = obj_to_let(uarm2);
if(uarmh) lets[ct++] = obj_to_let(uarmh);
if(uarms) lets[ct++] = obj_to_let(uarms);
if(uarmg) lets[ct++] = obj_to_let(uarmg);
lets[ct] = 0;
doinv(lets);
}
return(0);
}
doprring(){
if(!uleft && !uright)
pline("You are not wearing any rings.");
else {
char lets[3];
int ct = 0;
if(uleft) lets[ct++] = obj_to_let(uleft);
if(uright) lets[ct++] = obj_to_let(uright);
lets[ct] = 0;
doinv(lets);
}
return(0);
}
digit(c) char c; {
return(c >= '0' && c <= '9');
}