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- /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
-
- #include "hack.h"
- #include <stdio.h>
- #undef max
-
- extern struct obj *splitobj();
- extern char morc;
- #ifndef NOWORM
- #include "def.wseg.h"
-
- extern struct wseg *wsegs[32];
- #endif NOWORM
-
- struct obj *
- addinv(obj) register struct obj *obj; {
- register struct obj *otmp;
- for(otmp = invent; otmp; otmp = otmp->nobj) {
- if(merged(otmp, obj, 0)) return(otmp);
- if(!otmp->nobj) {
- otmp->nobj = obj;
- obj->nobj = 0;
- return(obj);
- }
- }
- invent = obj;
- obj->nobj = 0;
- return(obj);
- }
-
- useup(obj)
- register 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) register struct obj *obj; {
- register 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) register struct obj *obj; {
- freeobj(obj);
- unpobj(obj);
- obfree(obj, (struct obj *) 0);
- }
-
- /* unlink obj from chain starting with fobj */
- freeobj(obj) register struct obj *obj; {
- register 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) register struct gen *gold; {
- register struct gen *gtmp;
-
- if(gold == fgold) fgold = gold->ngen;
- else {
- for(gtmp = fgold; gtmp->ngen != gold; gtmp = gtmp->ngen)
- if(!gtmp) panic("error in freegold");
- gtmp->ngen = gold->ngen;
- }
- free((char *) gold);
- }
-
- deltrap(trap)
- register struct gen *trap;
- {
- register struct gen *gtmp;
-
- if(trap==ftrap) ftrap=ftrap->ngen;
- else {
- for(gtmp=ftrap;gtmp->ngen!=trap;gtmp=gtmp->ngen) ;
- gtmp->ngen=trap->ngen;
- }
- free((char *) trap);
- }
-
- struct wseg *m_atseg;
-
- struct monst *
- m_at(x,y)
- register int x,y;
- {
- register struct monst *mtmp;
- #ifndef NOWORM
- register 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)
- register int x,y;
- {
- register 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)
- register int n,x,y;
- {
- register 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) register struct obj *obj; {
- register struct obj *otmp;
- for(otmp = invent; otmp; otmp = otmp->nobj)
- if(otmp == obj) return(1);
- return(0);
- }
-
- struct obj *
- o_on(id, objchn) unsigned int id; register struct obj *objchn; {
- while(objchn) {
- if(objchn->o_id == id) return(objchn);
- objchn = objchn->nobj;
- }
- return((struct obj *) 0);
- }
-
- struct gen *
- g_at(x,y,ptr)
- register int x,y;
- register struct gen *ptr;
- {
- while(ptr) {
- if(ptr->gx == x && ptr->gy == y) return(ptr);
- ptr = ptr->ngen;
- }
- return(0);
- }
-
- /* getobj returns:
- struct obj *xxx: object to do something with.
- 0 error return: no object.
- 1 explicitly no object (as in w-).
- */
- struct obj *
- getobj(let,word)
- register char *let,*word;
- {
- register struct obj *otmp;
- register char ilet,ilet1,ilet2;
- char buf[BUFSZ];
- char lets[BUFSZ];
- register int foo = 0, foo2, cnt;
- register char *bp = buf;
- xchar allowcnt = 0; /* 0, 1 or 2 */
- boolean allowgold = FALSE;
- boolean allowall = FALSE;
- boolean allownone = FALSE;
- xchar foox = 0;
-
- 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[-1] == '-') *bp++ = ' ';
-
- ilet = 'a';
- for(otmp = invent; otmp; otmp = otmp->nobj){
- if(!*let || index(let, otmp->olet)) {
- bp[foo++] = 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) {
- cnt = 10*cnt + (ilet - '0');
- allowcnt = 2; /* signal presence of cnt */
- ilet = readchar();
- }
- if(digit(ilet)) {
- pline("No count allowed with this command.");
- continue;
- }
- if(ilet == '\033' || ilet == ' ' || ilet == '\n')
- return((struct obj *)0);
- if(ilet == '-') {
- return((struct obj *)(allownone ? 1 : 0));
- }
- if(ilet == '$') {
- if(!allowgold){
- pline("You cannot %s gold.", word);
- continue;
- }
- otmp = newobj(0);
- /* should set o_id etc. but otmp will be freed soon */
- otmp->olet = '$';
- if(allowcnt == 2 && cnt < u.ugold)
- u.ugold -= cnt;
- else {
- cnt = u.ugold;
- u.ugold = 0;
- }
- flags.botl = 1;
- otmp->quan = cnt;
- return(otmp);
- }
- if(ilet == '?') {
- doinv(lets);
- if(!(ilet = morc)) continue;
- /* he typed a letter (not a space) to more() */
- } else if(ilet == '*') {
- doinv("");
- if(!(ilet = morc)) continue;
- /* ... */
- }
- 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 %d]"
- , 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) {
- register struct obj *obj;
- obj = splitobj(otmp, cnt);
- 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 */
- 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;
- if(!invent){
- pline("You have nothing to %s.", word);
- return(0);
- } else {
- register struct obj *otmp = invent;
- register int uflg = 0;
-
- ilets[0] = 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';
- ilets[iletct++] = 'a';
- ilets[iletct] = 0;
- }
- pline("What kinds of thing do you want to %s? [%s] ",
- word, ilets);
- getlin(buf);
- ip = buf;
- olets[0] = 0;
- while(sym = *ip++){
- if(sym == ' ') continue;
- if(sym == 'a') allflag = TRUE; else
- if(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);
- }
- 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 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) {
- prname(otmp, ilet, 1);
- addtopl(" (ynaq)? ");
- 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:
- if(!flags.echo) echo(OFF);
- return(cnt);
- }
-
- obj_to_let(obj)
- register struct obj *obj;
- {
- register struct obj *otmp;
- register char ilet = 'a';
-
- for(otmp = invent; otmp && otmp != obj; otmp = otmp->nobj)
- if(++ilet > 'z') ilet = 'A';
- return(otmp ? ilet : 0);
- }
-
- prinv(obj)
- register struct obj *obj;
- {
- prname(obj, obj_to_let(obj), 1);
- }
-
- prname(obj,let,onelin)
- register struct obj *obj;
- register char let;
- {
- char li[BUFSZ];
-
- (void) sprintf(li, " %c - %s.", let, doname(obj));
- switch(onelin) {
- case 1:
- pline(li+1);
- break;
- case 0:
- myputs(li+1);
- break;
- case -1:
- cl_end();
- myputs(li);
- curx += strlen(li);
- }
- }
-
- ddoinv()
- {
- doinv((char *) 0);
- return(0);
- }
-
- myddoinv()
- {
- mydoinv((char *) 0);
- return(0);
- }
-
- myprname(obj,let,onelin)
- register struct obj *obj;
- register char let;
- {
- char li[BUFSZ];
-
- (void) sprintf(li, " %c - %s.", let, mydoname(obj));
- switch(onelin) {
- case 1:
- pline(li+1);
- break;
- case 0:
- myputs(li+1);
- break;
- case -1:
- cl_end();
- myputs(li);
- curx += strlen(li);
- }
- }
-
- mydoinv(lets) register char *lets; {
- register struct obj *otmp;
- register char ilet = 'a';
- int ct = 0;
- int maxlth = 0;
- int lth;
-
- if(!invent){
- pline("Not carrying anything");
- if(lets) return;
- }
- if(!flags.oneline) {
- if(!lets || !*lets)
- for(otmp = invent; otmp; otmp = otmp->nobj) ct++;
- else
- ct = strlen(lets);
- if(ct > 1 && ct < ROWNO && (lets || !inshop())){
- for(otmp = invent; otmp; otmp = otmp->nobj) {
- if(!lets || !*lets || index(lets, ilet)) {
- lth = strlen(doname(otmp));
- if(lth > maxlth) maxlth = lth;
- }
- if(++ilet > 'z') ilet = 'A';
- }
- ilet = 'a';
- lth = COLNO - maxlth - 7;
- if(lth < 10) goto clrscr;
- home();
- cl_end();
- flags.topl = 0;
- ct = 0;
- for(otmp = invent; otmp; otmp = otmp->nobj) {
- if(!lets || !*lets || index(lets, ilet)) {
- curs(lth, ++ct);
- myprname(otmp, ilet, -1);
- }
- if(++ilet > 'z') ilet = 'A';
- }
- curs(lth, ct+1);
- cl_end();
- cmore(); /* sets morc */
- /* test whether morc is a reasonable answer */
- if(lets && *lets && !index(lets, morc)) morc = 0;
-
- home();
- cl_end();
- docorner(lth, ct);
- return;
- }
- }
- clrscr:
- if(ct > 1) cls();
- for(otmp = invent; otmp; otmp = otmp->nobj){
- if(!lets || !*lets || index(lets, ilet))
- myprname(otmp, ilet, (ct > 1) ? 0 : 1);
- if(++ilet > 'z') ilet = 'A';
- }
- /* tell doinvbill whether we cleared the screen */
- if(!lets) doinvbill((ct > 1));
- if(ct > 1){
- cgetret();
- docrt();
- } else
- morc = 0; /* %% */
- }
-
- doinv(lets) register char *lets; {
- register struct obj *otmp;
- register char ilet = 'a';
- int ct = 0;
- int maxlth = 0;
- int lth;
-
- if(!invent){
- pline("Not carrying anything");
- if(lets) return;
- }
- if(!flags.oneline) {
- if(!lets || !*lets)
- for(otmp = invent; otmp; otmp = otmp->nobj) ct++;
- else
- ct = strlen(lets);
- if(ct > 1 && ct < ROWNO && (lets || !inshop())){
- for(otmp = invent; otmp; otmp = otmp->nobj) {
- if(!lets || !*lets || index(lets, ilet)) {
- lth = strlen(doname(otmp));
- if(lth > maxlth) maxlth = lth;
- }
- if(++ilet > 'z') ilet = 'A';
- }
- ilet = 'a';
- lth = COLNO - maxlth - 7;
- if(lth < 10) goto clrscr;
- home();
- cl_end();
- flags.topl = 0;
- ct = 0;
- for(otmp = invent; otmp; otmp = otmp->nobj) {
- if(!lets || !*lets || index(lets, ilet)) {
- curs(lth, ++ct);
- prname(otmp, ilet, -1);
- }
- if(++ilet > 'z') ilet = 'A';
- }
- curs(lth, ct+1);
- cl_end();
- cmore(); /* sets morc */
- /* test whether morc is a reasonable answer */
- if(lets && *lets && !index(lets, morc)) morc = 0;
-
- home();
- cl_end();
- docorner(lth, ct);
- return;
- }
- }
- clrscr:
- if(ct > 1) cls();
- for(otmp = invent; otmp; otmp = otmp->nobj){
- if(!lets || !*lets || index(lets, ilet))
- prname(otmp, ilet, (ct > 1) ? 0 : 1);
- if(++ilet > 'z') ilet = 'A';
- }
- /* tell doinvbill whether we cleared the screen */
- if(!lets) doinvbill((ct > 1));
- if(ct > 1){
- cgetret();
- docrt();
- } else
- morc = 0; /* %% */
- }
-
- 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(otmp->otyp == obj->otyp &&
- obj->unpaid == otmp->unpaid && obj->spe == otmp->spe &&
- obj->known == otmp->known && obj->dknown == otmp->dknown &&
- obj->cursed == otmp->cursed &&
- ((obj->olet == WEAPON_SYM && obj->otyp < BOOMERANG)
- || index("%?!*",otmp->olet))){
- otmp->quan += obj->quan;
- otmp->owt += obj->owt;
- if(lose) freeobj(obj);
- obfree(obj,otmp); /* free(obj), bill->otmp */
- return(1);
- } else return(0);
- }
-
- 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');
- }
-
-