hack.invent.c

早期freebsd实现

			if(otmp == uwep) setuwep(obj);
		}
	}
	return(otmp);
}

ckunpaid(otmp) register 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];
register char *ip;
register char sym;
register int oletct = 0, iletct = 0;
register 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 {
		register struct obj *otmp = invent;
		register 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;
register char *olets;
int allflag;
int (*fn)(), (*ckfn)();
int max;
{
register struct obj *otmp, *otmp2;
register char sym, ilet;
register 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 */
register struct obj *obj;
{
	register struct obj *otmp;
	register 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)
register struct obj *obj;
{
	pline(xprname(obj, obj_to_let(obj)));
}

static char *
xprname(obj,let)
register struct obj *obj;
register 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)
register char *lets;
{
	register struct obj *otmp;
	register 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];
    register int stct;
    register 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() {
    register struct obj *otmp, *otmp0;
    register 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) register struct obj *obj; {
register 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) register 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];
		register 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];
		register 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');
}