1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.shk.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.shk.c,v 1.5 1999/11/16 10:26:37 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.shk.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */
9 struct monst *shopkeeper = 0;
10 struct obj *billobjs = 0;
11 obfree(obj,merge) struct obj *obj, *merge; {
14 inshop(){ return(0); }
21 doinvbill(){ return(0); }
23 shkcatch(){ return(0); }
24 shk_move(){ return(0); }
25 replshk(mtmp,mtmp2) struct monst *mtmp, *mtmp2; {}
26 char *shkname(){ return(""); }
29 #include "hack.mfndpos.h"
30 #include "def.mkroom.h"
33 #define ESHK(mon) ((struct eshk *)(&(mon->mextra[0])))
34 #define NOTANGRY(mon) mon->mpeaceful
35 #define ANGRY(mon) !NOTANGRY(mon)
37 extern char plname[], *xname();
38 extern struct obj *o_on(), *bp_to_obj();
40 /* Descriptor of current shopkeeper. Note that the bill need not be
41 per-shopkeeper, since it is valid only when in a shop. */
42 static struct monst *shopkeeper = 0;
43 static struct bill_x *bill;
44 static int shlevel = 0; /* level of this shopkeeper */
45 struct obj *billobjs; /* objects on bill with bp->useup */
46 /* only accessed here and by save & restore */
47 static long int total; /* filled by addupbill() */
48 static long int followmsg; /* last time of follow message */
51 invariants: obj->unpaid iff onbill(obj) [unless bp->useup]
52 obj->quan <= bp->bquan
56 char shtypes[] = { /* 8 shoptypes: 7 specialized, 1 mixed */
57 RING_SYM, WAND_SYM, WEAPON_SYM, FOOD_SYM, SCROLL_SYM,
58 POTION_SYM, ARMOR_SYM, 0
61 static char *shopnam[] = {
62 "engagement ring", "walking cane", "antique weapon",
63 "delicatessen", "second hand book", "liquor",
64 "used armor", "assorted antiques"
68 shkname(mtmp) /* called in do_name.c */
71 return(ESHK(mtmp)->shknam);
74 static void setpaid();
76 shkdead(mtmp) /* called in mon.c */
79 struct eshk *eshk = ESHK(mtmp);
81 if(eshk->shoplevel == dlevel)
82 rooms[eshk->shoproom].rtype = 0;
83 if(mtmp == shopkeeper) {
86 bill = (struct bill_x *) -1000; /* dump core when referenced */
91 struct monst *mtmp, *mtmp2;
93 if(mtmp == shopkeeper) {
95 bill = &(ESHK(shopkeeper)->bill[0]);
100 setpaid(){ /* caller has checked that shopkeeper exists */
101 /* either we paid or left the shop or he just died */
104 for(obj = invent; obj; obj = obj->nobj)
106 for(obj = fobj; obj; obj = obj->nobj)
108 for(obj = fcobj; obj; obj = obj->nobj)
110 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
111 for(obj = mtmp->minvent; obj; obj = obj->nobj)
113 for(mtmp = fallen_down; mtmp; mtmp = mtmp->nmon)
114 for(obj = mtmp->minvent; obj; obj = obj->nobj)
116 while(obj = billobjs){
117 billobjs = obj->nobj;
120 ESHK(shopkeeper)->billct = 0;
124 addupbill(){ /* delivers result in total */
125 /* caller has checked that shopkeeper exists */
126 int ct = ESHK(shopkeeper)->billct;
127 struct bill_x *bp = bill;
130 total += bp->price * bp->bquan;
136 int roomno = inroom(u.ux,u.uy);
138 static void findshk();
140 /* Did we just leave a shop? */
142 (u.uinshop != roomno + 1 || shlevel != dlevel || !shopkeeper)) {
144 if(ESHK(shopkeeper)->billct) {
145 if(inroom(shopkeeper->mx, shopkeeper->my)
146 == u.uinshop - 1) /* ab@unido */
147 pline("Somehow you escaped the shop without paying!");
149 pline("You stole for a total worth of %ld zorkmids.",
151 ESHK(shopkeeper)->robbed += total;
153 if((rooms[ESHK(shopkeeper)->shoproom].rtype == GENERAL)
155 ESHK(shopkeeper)->following = 1;
163 /* Did we just enter a zoo of some kind? */
165 int rt = rooms[roomno].rtype;
168 pline("Welcome to David's treasure zoo!");
171 pline("It looks rather muddy down here.");
175 pline("Go away! Go away!");
177 pline("You get an uncanny feeling ...");
181 rooms[roomno].rtype = 0;
182 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
183 if(rt != ZOO || !rn2(3))
188 /* Did we just enter a shop? */
189 if(roomno >= 0 && rooms[roomno].rtype >= 8) {
190 if(shlevel != dlevel || !shopkeeper
191 || ESHK(shopkeeper)->shoproom != roomno)
194 rooms[roomno].rtype = 0;
196 } else if(!u.uinshop){
197 if(!ESHK(shopkeeper)->visitct ||
198 strncmp(ESHK(shopkeeper)->customer, plname, PL_NSIZ)){
200 /* He seems to be new here */
201 ESHK(shopkeeper)->visitct = 0;
202 ESHK(shopkeeper)->following = 0;
203 (void) strncpy(ESHK(shopkeeper)->customer,plname,PL_NSIZ);
204 NOTANGRY(shopkeeper) = 1;
206 if(!ESHK(shopkeeper)->following) {
209 pline("Hello %s! Welcome%s to %s's %s shop!",
211 ESHK(shopkeeper)->visitct++ ? " again" : "",
213 shopnam[rooms[ESHK(shopkeeper)->shoproom].rtype - 8] );
214 box = carrying(ICE_BOX);
215 pick = carrying(PICK_AXE);
217 if(dochug(shopkeeper)) {
218 u.uinshop = 0; /* he died moving */
221 pline("Will you please leave your %s outside?",
222 (box && pick) ? "box and pick-axe" :
223 box ? "box" : "pick-axe");
226 u.uinshop = roomno + 1;
237 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
238 if(mtmp->isshk && ESHK(mtmp)->shoproom == roomno
239 && ESHK(mtmp)->shoplevel == dlevel) {
241 bill = &(ESHK(shopkeeper)->bill[0]);
243 if(ANGRY(shopkeeper) &&
244 strncmp(ESHK(shopkeeper)->customer,plname,PL_NSIZ))
245 NOTANGRY(shopkeeper) = 1;
246 /* billobjs = 0; -- this is wrong if we save in a shop */
247 /* (and it is harmless to have too many things in billobjs) */
252 bill = (struct bill_x *) -1000; /* dump core when referenced */
255 static struct bill_x *
256 onbill(obj) struct obj *obj; {
258 if(!shopkeeper) return(0);
259 for(bp = bill; bp < &bill[ESHK(shopkeeper)->billct]; bp++)
260 if(bp->bo_id == obj->o_id) {
261 if(!obj->unpaid) pline("onbill: paid obj on bill?");
264 if(obj->unpaid) pline("onbill: unpaid obj not on bill?");
268 /* called with two args on merge */
269 obfree(obj,merge) struct obj *obj, *merge; {
270 struct bill_x *bp = onbill(obj);
275 obj->unpaid = 0; /* only for doinvbill */
276 obj->nobj = billobjs;
282 /* this used to be a rename */
283 impossible("obfree: not on bill??");
286 /* this was a merger */
287 bpm->bquan += bp->bquan;
288 ESHK(shopkeeper)->billct--;
289 *bp = bill[ESHK(shopkeeper)->billct];
300 long robbed = ESHK(shkp)->robbed;
307 if(robbed < 0) robbed = 0;
308 ESHK(shkp)->robbed = robbed;
318 static int dopayobj();
322 for(shkp = fmon; shkp; shkp = shkp->nmon)
323 if(shkp->isshk && dist(shkp->mx,shkp->my) < 3)
325 if(!shkp && u.uinshop &&
326 inroom(shopkeeper->mx,shopkeeper->my) == ESHK(shopkeeper)->shoproom)
330 pline("There is nobody here to receive your payment.");
333 ltmp = ESHK(shkp)->robbed;
334 if(shkp != shopkeeper && NOTANGRY(shkp)) {
336 pline("You do not owe %s anything.", monnam(shkp));
339 pline("You have no money.");
341 long ugold = u.ugold;
344 pline("You give %s the %ld gold pieces he asked for.",
348 pline("You give %s all your gold.", monnam(shkp));
352 pline("Unfortunately, he doesn't look satisfied.");
354 ESHK(shkp)->robbed = 0;
355 ESHK(shkp)->following = 0;
356 if(ESHK(shkp)->shoplevel != dlevel) {
357 /* For convenience's sake, let him disappear */
358 shkp->minvent = 0; /* %% */
367 if(!ESHK(shkp)->billct){
368 pline("You do not owe %s anything.", monnam(shkp));
370 pline("Moreover, you have no money.");
373 if(ESHK(shkp)->robbed){
374 #define min(a,b) ((a<b)?a:b)
375 pline("But since his shop has been robbed recently,");
376 pline("you %srepay %s's expenses.",
377 (u.ugold < ESHK(shkp)->robbed) ? "partially " : "",
379 pay(min(u.ugold, ESHK(shkp)->robbed), shkp);
380 ESHK(shkp)->robbed = 0;
384 pline("But in order to appease %s,",
385 amonnam(shkp, "angry"));
388 pline(" you give him 1000 gold pieces.");
391 pline(" you give him all your money.");
394 if(strncmp(ESHK(shkp)->customer, plname, PL_NSIZ)
396 pline("%s calms down.", Monnam(shkp));
398 } else pline("%s is as angry as ever.",
403 if(shkp != shopkeeper) {
404 impossible("dopay: not to shopkeeper?");
405 if(shopkeeper) setpaid();
408 for(pass = 0; pass <= 1; pass++) {
410 while(tmp < ESHK(shopkeeper)->billct) {
412 if(!pass && !bp->useup) {
416 if(!dopayobj(bp)) return(1);
417 bill[tmp] = bill[--ESHK(shopkeeper)->billct];
420 pline("Thank you for shopping in %s's %s store!",
422 shopnam[rooms[ESHK(shopkeeper)->shoproom].rtype - 8]);
423 NOTANGRY(shopkeeper) = 1;
427 /* return 1 if paid successfully */
428 /* 0 if not enough money */
429 /* -1 if object could not be found (but was paid) */
431 dopayobj(bp) struct bill_x *bp; {
435 /* find the object on one of the lists */
439 impossible("Shopkeeper administration out of order.");
440 setpaid(); /* be nice to the player */
444 if(!obj->unpaid && !bp->useup){
445 impossible("Paid object on bill??");
449 ltmp = bp->price * bp->bquan;
450 if(ANGRY(shopkeeper)) ltmp += ltmp/3;
452 pline("You don't have gold enough to pay %s.",
457 pay(ltmp, shopkeeper);
458 pline("You bought %s for %ld gold piece%s.",
459 doname(obj), ltmp, plur(ltmp));
461 struct obj *otmp = billobjs;
463 billobjs = obj->nobj;
465 while(otmp && otmp->nobj != obj) otmp = otmp->nobj;
466 if(otmp) otmp->nobj = obj->nobj;
467 else pline("Error in shopkeeper administration.");
474 /* routine called after dying (or quitting) with nonempty bill */
476 if(shlevel == dlevel && shopkeeper && ESHK(shopkeeper)->billct){
479 shopkeeper->mgold += u.ugold;
481 pline("%s comes and takes all your possessions.",
485 shopkeeper->mgold += total;
486 pline("%s comes and takes the %ld zorkmids you owed him.",
487 Monnam(shopkeeper), total);
489 setpaid(); /* in case we create bones */
493 /* find obj on one of the lists */
500 unsigned id = bp->bo_id;
503 obj = o_on(id, billobjs);
504 else if(!(obj = o_on(id, invent)) &&
505 !(obj = o_on(id, fobj)) &&
506 !(obj = o_on(id, fcobj))) {
507 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
508 if(obj = o_on(id, mtmp->minvent))
510 for(mtmp = fallen_down; mtmp; mtmp = mtmp->nmon)
511 if(obj = o_on(id, mtmp->minvent))
517 static int getprice();
519 /* called in hack.c when we pickup an object */
520 addtobill(obj) struct obj *obj; {
523 (u.ux == ESHK(shopkeeper)->shk.x && u.uy == ESHK(shopkeeper)->shk.y) ||
524 (u.ux == ESHK(shopkeeper)->shd.x && u.uy == ESHK(shopkeeper)->shd.y) ||
525 onbill(obj) /* perhaps we threw it away earlier */
527 if(ESHK(shopkeeper)->billct == BILLSZ){
528 pline("You got that for free!");
531 bp = &bill[ESHK(shopkeeper)->billct];
532 bp->bo_id = obj->o_id;
533 bp->bquan = obj->quan;
535 bp->price = getprice(obj);
536 ESHK(shopkeeper)->billct++;
540 splitbill(obj,otmp) struct obj *obj, *otmp; {
541 /* otmp has been split off from obj */
546 impossible("splitbill: not on bill?");
549 if(bp->bquan < otmp->quan) {
550 impossible("Negative quantity on bill??");
552 if(bp->bquan == otmp->quan) {
553 impossible("Zero quantity on bill??");
555 bp->bquan -= otmp->quan;
557 /* addtobill(otmp); */
558 if(ESHK(shopkeeper)->billct == BILLSZ) otmp->unpaid = 0;
561 bp = &bill[ESHK(shopkeeper)->billct];
562 bp->bo_id = otmp->o_id;
563 bp->bquan = otmp->quan;
566 ESHK(shopkeeper)->billct++;
570 subfrombill(obj) struct obj *obj; {
575 if(!inshop() || (u.ux == ESHK(shopkeeper)->shk.x && u.uy == ESHK(shopkeeper)->shk.y) ||
576 (u.ux == ESHK(shopkeeper)->shd.x && u.uy == ESHK(shopkeeper)->shd.y))
578 if((bp = onbill(obj)) != 0){
580 if(bp->bquan > obj->quan){
583 bp->bo_id = otmp->o_id = flags.ident++;
584 otmp->quan = (bp->bquan -= obj->quan);
585 otmp->owt = 0; /* superfluous */
588 otmp->nobj = billobjs;
592 ESHK(shopkeeper)->billct--;
593 *bp = bill[ESHK(shopkeeper)->billct];
597 pline("%s didn't notice.", Monnam(shopkeeper));
601 /* he dropped something of his own - probably wants to sell it */
602 if(shopkeeper->msleep || shopkeeper->mfroz ||
603 inroom(shopkeeper->mx,shopkeeper->my) != ESHK(shopkeeper)->shoproom)
605 if(ESHK(shopkeeper)->billct == BILLSZ ||
606 ((tmp = shtypes[rooms[ESHK(shopkeeper)->shoproom].rtype-8]) && tmp != obj->olet)
607 || index("_0", obj->olet)) {
608 pline("%s seems not interested.", Monnam(shopkeeper));
611 ltmp = getprice(obj) * obj->quan;
612 if(ANGRY(shopkeeper)) {
614 NOTANGRY(shopkeeper) = 1;
616 if(ESHK(shopkeeper)->robbed){
617 if((ESHK(shopkeeper)->robbed -= ltmp) < 0)
618 ESHK(shopkeeper)->robbed = 0;
619 pline("Thank you for your contribution to restock this recently plundered shop.");
622 if(ltmp > shopkeeper->mgold)
623 ltmp = shopkeeper->mgold;
624 pay(-ltmp, shopkeeper);
626 pline("%s gladly accepts %s but cannot pay you at present.",
627 Monnam(shopkeeper), doname(obj));
629 pline("You sold %s and got %ld gold piece%s.", doname(obj), ltmp,
634 int mode; /* 0: deliver count 1: paged */
638 long totused, thisused;
645 for(bp = bill; bp - bill < ESHK(shopkeeper)->billct; bp++)
647 ((obj = bp_to_obj(bp)) && obj->quan < bp->bquan))
653 impossible("doinvbill: no shopkeeper?");
658 if(page_line("Unpaid articles already used up:") || page_line(""))
662 for(bp = bill; bp - bill < ESHK(shopkeeper)->billct; bp++) {
665 impossible("Bad shopkeeper administration.");
668 if(bp->useup || bp->bquan > obj->quan) {
669 int cnt, oquan, uquan;
672 uquan = (bp->useup ? bp->bquan : bp->bquan - oquan);
673 thisused = bp->price * uquan;
675 obj->quan = uquan; /* cheat doname */
676 (void) sprintf(buf, "x - %s", doname(obj));
677 obj->quan = oquan; /* restore value */
678 for(cnt = 0; buf[cnt]; cnt++);
681 (void) sprintf(&buf[cnt], " %5ld zorkmids", thisused);
686 (void) sprintf(buf, "Total:%50ld zorkmids", totused);
687 if(page_line("") || page_line(buf))
697 getprice(obj) struct obj *obj; {
699 static int realhunger();
706 tmp = 10*rnd((obj->otyp == EXPENSIVE_CAMERA) ? 150 : 30);
717 if(obj->otyp == SCR_MAIL)
725 tmp = 10*rnd(5 + (2000/realhunger()));
732 if(ac <= -10) /* probably impossible */
734 tmp = 100 + ac*ac*rnd(10+ac);
737 if(obj->otyp < BOOMERANG)
739 else if(obj->otyp == LONG_SWORD ||
740 obj->otyp == TWO_HANDED_SWORD)
742 else tmp = 10*rnd(75);
745 pline("Strange ..., carrying a chain?");
756 realhunger(){ /* not completely foolproof */
758 struct obj *otmp = invent;
760 if(otmp->olet == FOOD_SYM && !otmp->unpaid)
761 tmp += objects[otmp->otyp].nutrition;
764 return((tmp <= 0) ? 1 : tmp);
770 struct monst *shkp = shopkeeper;
772 if(u.uinshop && shkp && !shkp->mfroz && !shkp->msleep &&
774 inroom(u.ux+u.dx, u.uy+u.dy) + 1 == u.uinshop &&
775 shkp->mx == ESHK(shkp)->shk.x && shkp->my == ESHK(shkp)->shk.y &&
776 u.ux == ESHK(shkp)->shd.x && u.uy == ESHK(shkp)->shd.y) {
777 pline("%s nimbly catches the %s.", Monnam(shkp), xname(obj));
778 obj->nobj = shkp->minvent;
786 * shk_move: return 1: he moved 0: he didnt -1: let m_move do it
792 struct permonst *mdat = shkp->data;
793 xchar gx,gy,omx,omy,nx,ny,nix,niy;
797 schar shkroom,chi,chcnt,cnt;
798 boolean uondoor, satdoor, avoid, badinv;
806 if((udist = dist(omx,omy)) < 3) {
808 (void) hitu(shkp, d(mdat->damn, mdat->damd)+1);
811 if(ESHK(shkp)->following) {
812 if(strncmp(ESHK(shkp)->customer, plname, PL_NSIZ)){
813 pline("Hello %s! I was looking for %s.",
814 plname, ESHK(shkp)->customer);
815 ESHK(shkp)->following = 0;
818 if(!ESHK(shkp)->robbed) { /* impossible? */
819 ESHK(shkp)->following = 0;
822 if(moves > followmsg+4) {
823 pline("Hello %s! Didn't you forget to pay?",
832 shkroom = inroom(omx,omy);
834 gx = ESHK(shkp)->shk.x;
835 gy = ESHK(shkp)->shk.y;
836 satdoor = (gx == omx && gy == omy);
837 if(ESHK(shkp)->following || ((z = holetime()) >= 0 && z*z <= udist)){
840 if(shkroom < 0 || shkroom != inroom(u.ux,u.uy))
842 return(-1); /* leave it to m_move */
843 } else if(ANGRY(shkp)) {
844 long saveBlind = Blind;
846 if(shkp->mcansee && !Invis && cansee(omx,omy)) {
853 #define GDIST(x,y) ((x-gx)*(x-gx)+(y-gy)*(y-gy))
857 uondoor = (u.ux == ESHK(shkp)->shd.x &&
858 u.uy == ESHK(shkp)->shd.y);
860 if(ESHK(shkp)->billct)
861 pline("Hello %s! Will you please pay before leaving?",
863 badinv = (carrying(PICK_AXE) || carrying(ICE_BOX));
864 if(satdoor && badinv)
868 avoid = (u.uinshop && dist(gx,gy) > 8);
872 if(((!ESHK(shkp)->robbed && !ESHK(shkp)->billct) || avoid)
873 && GDIST(omx,omy) < 3){
874 if(!badinv && !online(omx,omy))
881 if(omx == gx && omy == gy)
889 cnt = mfndpos(shkp,poss,info,ALLOW_SSM);
890 if(avoid && uondoor) { /* perhaps we cannot avoid him */
892 if(!(info[i] & NOTONL)) goto notonl_ok;
899 for(i=0; i<cnt; i++){
902 if(levl[nx][ny].typ == ROOM
903 || shkroom != ESHK(shkp)->shoproom
904 || ESHK(shkp)->following) {
906 /* cater for stupid compilers */
909 if(uondoor && (ib = sobj_at(ICE_BOX, nx, ny))) {
910 nix = nx; niy = ny; chi = i; break;
912 if(avoid && (info[i] & NOTONL))
914 if((!appr && !rn2(++chcnt)) ||
916 (appr && (zz = GDIST(nix,niy)) && zz > GDIST(nx,ny))
918 (appr && GDIST(nx,ny) < GDIST(nix,niy))
927 if(nix != omx || niy != omy){
928 if(info[chi] & ALLOW_M){
929 mtmp = m_at(nix,niy);
930 if(hitmm(shkp,mtmp) == 1 && rn2(3) &&
931 hitmm(mtmp,shkp) == 2) return(2);
933 } else if(info[chi] & ALLOW_U){
934 (void) hitu(shkp, d(mdat->damn, mdat->damd)+1);
949 /* He is digging in the shop. */
954 if(u.utraptype == TT_PIT)
955 pline("\"Be careful, sir, or you might fall through the floor.\"");
957 pline("\"Please, do not damage the floor here.\"");
958 } else if(dist(shopkeeper->mx, shopkeeper->my) < 3) {
959 struct obj *obj, *obj2;
961 pline("%s grabs your backpack!", shkname(shopkeeper));
962 for(obj = invent; obj; obj = obj2) {
964 if(obj->owornmask) continue;
966 obj->nobj = shopkeeper->minvent;
967 shopkeeper->minvent = obj;
976 return(x==u.ux || y==u.uy ||
977 (x-u.ux)*(x-u.ux) == (y-u.uy)*(y-u.uy));
980 /* Does this monster follow me downstairs? */
984 return( mtmp->mtame || index("1TVWZi&, ", mtmp->data->mlet)
986 || (mtmp->isshk && ESHK(mtmp)->following)