/*	SCCS Id: @(#)objnam.c	1.3	87/07/14
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* objnam.c - version 1.0.2 */

#include	"hack.h"
#define Sprintf (void) sprintf
#define Strcat  (void) strcat
#define	Strcpy	(void) strcpy
#define	PREFIX	15
extern char *eos();
extern int bases[];

char *
strprepend(s,pref) register char *s, *pref; {
register int i = strlen(pref);
	if(i > PREFIX) {
		pline("WARNING: prefix too short.");
		return(s);
	}
	s -= i;
	(void) strncpy(s, pref, i);	/* do not copy trailing 0 */
	return(s);
}

char *
sitoa(a) int a; {
static char buf[13];
	Sprintf(buf, (a < 0) ? "%d" : "+%d", a);
	return(buf);
}

char *
typename(otyp)
register int otyp;
{
static char buf[BUFSZ];
register struct objclass *ocl = &objects[otyp];
register char *an = ocl->oc_name;
register char *dn = ocl->oc_descr;
register char *un = ocl->oc_uname;
register int nn = ocl->oc_name_known;
	switch(ocl->oc_olet) {
	case POTION_SYM:
		Strcpy(buf, "potion");
		break;
	case SCROLL_SYM:
		Strcpy(buf, "scroll");
		break;
	case WAND_SYM:
		Strcpy(buf, "wand");
		break;
#ifdef SPELLS
	case SPBOOK_SYM:
		Strcpy(buf, "spellbook");
		break;
#endif
	case RING_SYM:
		Strcpy(buf, "ring");
		break;
	default:
		if(nn) {
			Strcpy(buf, an);
			if(otyp >= TURQUOISE && otyp <= JADE)
				Strcat(buf, " stone");
			if(un)
				Sprintf(eos(buf), " called %s", un);
			if(dn)
				Sprintf(eos(buf), " (%s)", dn);
		} else {
			Strcpy(buf, dn ? dn : an);
			if(ocl->oc_olet == GEM_SYM)
				Strcat(buf, " gem");
			if(un)
				Sprintf(eos(buf), " called %s", un);
		}
		return(buf);
	}
	/* here for ring/scroll/potion/wand */
	if(nn)
		Sprintf(eos(buf), " of %s", an);
	if(un)
		Sprintf(eos(buf), " called %s", un);
	if(dn)
		Sprintf(eos(buf), " (%s)", dn);
	return(buf);
}

char *
xname(obj)
register struct obj *obj;
{
static char bufr[BUFSZ];
register char *buf = &(bufr[PREFIX]);	/* leave room for "17 -3 " */
register int nn = objects[obj->otyp].oc_name_known;
register char *an = objects[obj->otyp].oc_name;
register char *dn = objects[obj->otyp].oc_descr;
register char *un = objects[obj->otyp].oc_uname;
register int pl = (obj->quan != 1);
#ifdef KAA
	if(!obj->dknown && !Blind && obj->olet != WEAPON_SYM) obj->dknown=1;
#else
	if(!obj->dknown && !Blind) obj->dknown = 1; /* %% doesnt belong here */
#endif
	switch(obj->olet) {
	case AMULET_SYM:
		Strcpy(buf, (obj->spe < 0 && obj->known)
			? "cheap plastic imitation of the " : "");
		Strcat(buf,"Amulet of Yendor");
		break;
	case TOOL_SYM:
		if(!nn) {
			Strcpy(buf, dn);
			break;
		}
		Strcpy(buf,an);
		break;
	case FOOD_SYM:
		if(obj->otyp == DEAD_HOMUNCULUS && pl) {
			pl = 0;
			Strcpy(buf, "dead homunculi");
			break;
		}
		/* fungis ? */
#ifdef KAA /* The fungus mistake was a D&D holdover. */
		if(obj->otyp == DEAD_VIOLET_FUNGUS && pl) {
			pl = 0;
			Strcpy(buf, "dead violet fungi");
			break;
		}
#endif
		/* fall into next case */
	case WEAPON_SYM:
		if(obj->otyp == WORM_TOOTH && pl) {
			pl = 0;
			Strcpy(buf, "worm teeth");
			break;
		}
		if(obj->otyp == CRYSKNIFE && pl) {
			pl = 0;
			Strcpy(buf, "crysknives");
			break;
		}
		/* fall into next case */
	case ARMOR_SYM:
	case CHAIN_SYM:
	case ROCK_SYM:
		Strcpy(buf,an);
		break;
	case BALL_SYM:
		Sprintf(buf, "%sheavy iron ball",
		  (obj->owt > objects[obj->otyp].oc_weight) ? "very " : "");
		break;
	case POTION_SYM:
		if(nn || un || !obj->dknown) {
			Strcpy(buf, "potion");
			if(pl) {
				pl = 0;
				Strcat(buf, "s");
			}
			if(!obj->dknown) break;
			if(un) {
				Strcat(buf, " called ");
				Strcat(buf, un);
			} else {
				Strcat(buf, " of ");
				Strcat(buf, an);
			}
		} else {
			Strcpy(buf, dn);
			Strcat(buf, " potion");
		}
		break;
	case SCROLL_SYM:
		Strcpy(buf, "scroll");
		if(pl) {
			pl = 0;
			Strcat(buf, "s");
		}
		if(!obj->dknown) break;
		if(nn) {
			Strcat(buf, " of ");
			Strcat(buf, an);
		} else if(un) {
			Strcat(buf, " called ");
			Strcat(buf, un);
		} else {
			Strcat(buf, " labeled ");
			Strcat(buf, dn);
		}
		break;
	case WAND_SYM:
		if(!obj->dknown)
			Sprintf(buf, "wand");
		else if(nn)
			Sprintf(buf, "wand of %s", an);
		else if(un)
			Sprintf(buf, "wand called %s", un);
		else
			Sprintf(buf, "%s wand", dn);
		break;
#ifdef SPELLS
	case SPBOOK_SYM:
		if(!obj->dknown)
			Sprintf(buf, "spellbook");
		else if(nn)
			Sprintf(buf, "spellbook of %s", an);
		else if(un)
			Sprintf(buf, "spellbook called %s", un);
		else
			Sprintf(buf, "%s spellbook", dn);
		break;
#endif
	case RING_SYM:
		if(!obj->dknown)
			Sprintf(buf, "ring");
		else if(nn)
			Sprintf(buf, "ring of %s", an);
		else if(un)
			Sprintf(buf, "ring called %s", un);
		else
			Sprintf(buf, "%s ring", dn);
		break;
	case GEM_SYM:
		if(!obj->dknown) {
			Strcpy(buf, "gem");
			break;
		}
		if(!nn) {
#ifdef KAA
			if(un) {
				if (!pl)  Sprintf(buf,"gem called %s",un);
				else	  Sprintf(buf,"gems called %s",un);
				pl=0;
			} else
#endif
				Sprintf(buf, "%s gem", dn);
			break;
		}
		Strcpy(buf, an);
		if(obj->otyp >= TURQUOISE && obj->otyp <= JADE)
			Strcat(buf, " stone");
		break;
	default:
		Sprintf(buf,"glorkum %c (0%o) %u %d",
			obj->olet,obj->olet,obj->otyp,obj->spe);
	}
	if(pl) {
		register char *p;

		for(p = buf; *p; p++) {
			if(!strncmp(" of ", p, 4)) {
				/* pieces of, cloves of, lumps of */
				register int c1, c2 = 's';

				do {
					c1 = c2; c2 = *p; *p++ = c1;
				} while(c1);
				goto nopl;
			}
		}
		p = eos(buf)-1;
		if(*p == 's' || *p == 'z' || *p == 'x' ||
		    (*p == 'h' && p[-1] == 's'))
			Strcat(buf, "es");	/* boxes */
		else if(*p == 'y' && !index(vowels, p[-1]))
			Strcpy(p, "ies");	/* rubies, zruties */
		else
			Strcat(buf, "s");
	}
nopl:
	if(obj->onamelth) {
		Strcat(buf, " named ");
		Strcat(buf, ONAME(obj));
	}
	return(buf);
}

char *
doname(obj)
register struct obj *obj;
{
char prefix[PREFIX];
register char *bp = xname(obj);
	if(obj->quan != 1)
		Sprintf(prefix, "%u ", obj->quan);
	else
		Strcpy(prefix, "a ");
	switch(obj->olet) {
	case AMULET_SYM:
		if(strncmp(bp, "cheap ", 6))
			Strcpy(prefix, "the ");
		break;
	case ARMOR_SYM:
		if(obj->owornmask & W_ARMOR)
			Strcat(bp, " (being worn)");
		/* fall into next case */
	case WEAPON_SYM:
		if(obj->known) {
#ifdef KAA
			/* dknown is special for weapons */
			if(obj->dknown && obj->olet == WEAPON_SYM)
				Strcat(prefix,"blessed ");
#endif
			Strcat(prefix, sitoa(obj->spe));
			Strcat(prefix, " ");
		}
		break;
#ifdef MARKER
	case TOOL_SYM:			/* temp. hack by GAN 11/18/86 */
		if(obj->otyp != MAGIC_MARKER) break;
#endif
	case WAND_SYM:
		if(obj->known)
			Sprintf(eos(bp), " (%d)", obj->spe);
		break;
	case RING_SYM:
		if(obj->owornmask & W_RINGR) Strcat(bp, " (on right hand)");
		if(obj->owornmask & W_RINGL) Strcat(bp, " (on left hand)");
		if(obj->known && (objects[obj->otyp].bits & SPEC)) {
			Strcat(prefix, sitoa(obj->spe));
			Strcat(prefix, " ");
		}
		break;
	}
	if(obj->owornmask & W_WEP)
		Strcat(bp, " (weapon in hand)");
	if(obj->unpaid)
		Strcat(bp, " (unpaid)");
	if(!strcmp(prefix, "a ") && index(vowels, *bp))
		Strcpy(prefix, "an ");
	bp = strprepend(bp, prefix);
	return(bp);
}

/* used only in fight.c (thitu) */
setan(str,buf)
register char *str,*buf;
{
	if(index(vowels,*str))
		Sprintf(buf, "an %s", str);
	else
		Sprintf(buf, "a %s", str);
}

char *
aobjnam(otmp,verb) register struct obj *otmp; register char *verb; {
register char *bp = xname(otmp);
char prefix[PREFIX];
	if(otmp->quan != 1) {
		Sprintf(prefix, "%u ", otmp->quan);
		bp = strprepend(bp, prefix);
	}

	if(verb) {
		/* verb is given in plural (i.e., without trailing s) */
		Strcat(bp, " ");
		if(otmp->quan != 1)
			Strcat(bp, verb);
		else if(!strcmp(verb, "are"))
			Strcat(bp, "is");
		else {
			Strcat(bp, verb);
			Strcat(bp, "s");
		}
	}
	return(bp);
}

char *
Doname(obj)
register struct obj *obj;
{
	register char *s = doname(obj);

	if('a' <= *s && *s <= 'z') *s -= ('a' - 'A');
	return(s);
}

char *wrp[] = {	"wand", "ring", "potion", "scroll", "gem"
#ifdef SPELLS
		, "spellbook"
#endif
	      };
char wrpsym[] = { WAND_SYM, RING_SYM, POTION_SYM, SCROLL_SYM, GEM_SYM
#ifdef SPELLS
		  , SPBOOK_SYM
#endif
		};

struct obj *
readobjnam(bp) register char *bp; {
register char *p;
register int i;
int cnt, spe, spesgn, typ, heavy;
char let;
char *un, *dn, *an;
#ifdef KAA
int blessed=0;
#endif
/* int the = 0; char *oname = 0; */
	cnt = spe = spesgn = typ = heavy = 0;
	let = 0;
	an = dn = un = 0;
	for(p = bp; *p; p++)	/* set the string to lower case */
		if('A' <= *p && *p <= 'Z') *p += 'a'-'A';
	if(!strncmp(bp, "the ", 4)){
/*		the = 1; */
		bp += 4;
	} else if(!strncmp(bp, "an ", 3)){
		cnt = 1;
		bp += 3;
	} else if(!strncmp(bp, "a ", 2)){
		cnt = 1;
		bp += 2;
	}
#ifdef KAA
	if(!strncmp(bp,"blessed ",8)) {
		blessed=1;
		bp += 8;
	}
#endif
	if(!cnt && digit(*bp)){
		cnt = atoi(bp);
		while(digit(*bp)) bp++;
		while(*bp == ' ') bp++;
	}
	if(!cnt) cnt = 1;		/* %% what with "gems" etc. ? */

	if(*bp == '+' || *bp == '-'){
		spesgn = (*bp++ == '+') ? 1 : -1;
		spe = atoi(bp);
		while(digit(*bp)) bp++;
		while(*bp == ' ') bp++;
	} else {
		p = rindex(bp, '(');
		if(p) {
			if(p > bp && p[-1] == ' ') p[-1] = 0;
			else *p = 0;
			p++;
			spe = atoi(p);
			while(digit(*p)) p++;
			if(strcmp(p, ")")) spe = 0;
			else spesgn = 1;
		}
	}
	/* now we have the actual name, as delivered by xname, say
		green potions called whisky
		scrolls labeled "QWERTY"
		egg
		dead zruties
		fortune cookies
		very heavy iron ball named hoei
		wand of wishing
		elven cloak
	*/
	for(p = bp; *p; p++) if(!strncmp(p, " named ", 7)) {
		*p = 0;
/*		oname = p+7; */
	}
	for(p = bp; *p; p++) if(!strncmp(p, " called ", 8)) {
		*p = 0;
		un = p+8;
	}
	for(p = bp; *p; p++) if(!strncmp(p, " labeled ", 9)) {
		*p = 0;
		dn = p+9;
	}

	/* first change to singular if necessary */
	if(cnt != 1) {
		/* find "cloves of garlic", "worthless pieces of blue glass" */
		for(p = bp; *p; p++) if(!strncmp(p, "s of ", 5)){
			while(*p = p[1]) p++;
			goto sing;
		}
		/* remove -s or -es (boxes) or -ies (rubies, zruties) */
		p = eos(bp);
		if(p[-1] == 's') {
			if(p[-2] == 'e') {
				if(p[-3] == 'i') {
#ifdef KAA
					if(!strcmp(p-7, "cookies") || !strcmp(p-4, "pies"))
#else
					if(!strcmp(p-7, "cookies"))
#endif
						goto mins;
					Strcpy(p-3, "y");
					goto sing;
				}

				/* note: cloves / knives from clove / knife */
				if(!strcmp(p-6, "knives")) {
					Strcpy(p-3, "fe");
					goto sing;
				}

				/* note: nurses, axes but boxes */
				if(!strcmp(p-5, "boxes")) {
					p[-2] = 0;
					goto sing;
				}
			}
		mins:
			p[-1] = 0;
		} else {
			if(!strcmp(p-9, "homunculi")
#ifdef KAA
				|| !strcmp(p-5, "fungi")
#endif
							) {
				Strcpy(p-1, "us"); /* !! makes string longer */
				goto sing;
			}
			if(!strcmp(p-5, "teeth")) {
				Strcpy(p-5, "tooth");
				goto sing;
			}
			/* here we cannot find the plural suffix */
		}
	}
sing:
	if(!strcmp(bp, "amulet of yendor")) {
		typ = AMULET_OF_YENDOR;
		goto typfnd;
	}
	if(!strcmp(bp, "ring mail")){	/* Note: ring mail is not a ring ! */
		let = ARMOR_SYM;
		an = bp;
		goto srch;
	}

	p = eos(bp);
#ifdef KOPS	/* kluge to re-capitalize "dead Kop" */
	if (!strcmp(p-3, "kop")) {
		*(p-3) = 'K';
		an = bp;
		goto srch;
	}
#endif

	for(i = 0; i < sizeof(wrpsym); i++) {
		register int j = strlen(wrp[i]);
		if(!strncmp(bp, wrp[i], j)){
			let = wrpsym[i];
			bp += j;
			if(!strncmp(bp, " of ", 4)) an = bp+4;
			/* else if(*bp) ?? */
			goto srch;
		}
		if(!strcmp(p-j, wrp[i])){
			let = wrpsym[i];
			p -= j;
			*p = 0;
			if(p[-1] == ' ') p[-1] = 0;
			dn = bp;
			goto srch;
		}
	}
	if(!strcmp(p-6, " stone")){
		p[-6] = 0;
		let = GEM_SYM;
		an = bp;
		goto srch;
	}
#ifdef KAA
	if(!strcmp(p-10, "gold piece") || !strcmp(p-7, "zorkmid")) {
		if (cnt > 5000) cnt=5000;
		if (cnt < 1) cnt=1;
		pline("%d gold piece%s.", cnt, cnt==1 ? "" : "s");
		u.ugold += cnt;
		flags.botl=1;
		return(0);
	}
#endif
	if(!strcmp(bp, "very heavy iron ball")){
		heavy = 1;
		typ = HEAVY_IRON_BALL;
		goto typfnd;
	}
	an = bp;
srch:
	if(!an && !dn && !un)
		goto any;
	i = 1;
	if(let) i = bases[letindex(let)];
	while(i <= NROFOBJECTS && (!let || objects[i].oc_olet == let)){
		register char *zn = objects[i].oc_name;

		if(!zn) goto nxti;
		if(an && strcmp(an, zn))
			goto nxti;
		if(dn && (!(zn = objects[i].oc_descr) || strcmp(dn, zn)))
			goto nxti;
		if(un && (!(zn = objects[i].oc_uname) || strcmp(un, zn)))
			goto nxti;
		typ = i;
		goto typfnd;
	nxti:
		i++;
	}
any:
	if(!let) let = wrpsym[rn2(sizeof(wrpsym))];
	typ = probtype(let);
typfnd:
	{ register struct obj *otmp;
	  extern struct obj *mksobj();
	let = objects[typ].oc_olet;
	otmp = mksobj(typ);
	if(heavy)
		otmp->owt += 15;
	if(cnt > 0 && index("%?!*)", let) &&
#ifdef KAA
		(cnt < 4 || (let == WEAPON_SYM && typ <= ROCK && cnt <= 20)))
#else
		(cnt < 4 || (let == WEAPON_SYM && typ <= ROCK && cnt < 20)))
#endif
		otmp->quan = cnt;

	if(spe > 3 && spe > otmp->spe)
		spe = 0;
	else if(let == WAND_SYM)
		spe = otmp->spe;
#ifdef KAA
	if(let==WEAPON_SYM && blessed) {
		if(u.uluck < 0) otmp->cursed=1;
		else otmp->dknown=1;
	}
#endif
	if(spe == 3 && u.uluck < 0)
		spesgn = -1;
	if(let != WAND_SYM && spesgn == -1)
		spe = -spe;
	if(let == BALL_SYM)
		spe = 0;
	else if(let == AMULET_SYM)
		spe = -1;
	else if(typ == WAN_WISHING && rn2(10))
		spe = (rn2(10) ? -1 : 0);
#ifdef MARKER
	else if(typ == MAGIC_MARKER)
		spe = rn1(50,50);
#endif
	otmp->spe = spe;

	if(spesgn == -1)
		otmp->cursed = 1;

	return(otmp);
    }
}
