2.11BSD#431 - /usr/src/games/hack/hack.shk.c

   1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2: /* hack.shk.c - version 1.0.3 */
   3: 
   4: #include "hack.h"
   5: #ifdef QUEST
   6: int shlevel = 0;
   7: struct monst *shopkeeper = 0;
   8: struct obj *billobjs = 0;
   9: obfree(obj,merge) register struct obj *obj, *merge; {
  10:     free((char *) obj);
  11: }
  12: inshop(){ return(0); }
  13: addtobill(){}
  14: subfrombill(){}
  15: splitbill(){}
  16: dopay(){ return(0); }
  17: paybill(){}
  18: doinvbill(){ return(0); }
  19: shkdead(){}
  20: shkcatch(){ return(0); }
  21: shk_move(){ return(0); }
  22: replshk(mtmp,mtmp2) struct monst *mtmp, *mtmp2; {}
  23: char *shkname(){ return(""); }
  24: 
  25: #else QUEST
  26: #include    "hack.mfndpos.h"
  27: #include    "def.mkroom.h"
  28: #include    "def.eshk.h"
  29: 
  30: #define ESHK(mon)   ((struct eshk *)(&(mon->mextra[0])))
  31: #define NOTANGRY(mon)   mon->mpeaceful
  32: #define ANGRY(mon)  !NOTANGRY(mon)
  33: 
  34: extern char plname[], *xname();
  35: extern struct obj *o_on(), *bp_to_obj();
  36: 
  37: /* Descriptor of current shopkeeper. Note that the bill need not be
  38:    per-shopkeeper, since it is valid only when in a shop. */
  39: static struct monst *shopkeeper = 0;
  40: static struct bill_x *bill;
  41: static int shlevel = 0; /* level of this shopkeeper */
  42:        struct obj *billobjs;    /* objects on bill with bp->useup */
  43:                 /* only accessed here and by save & restore */
  44: static long int total;      /* filled by addupbill() */
  45: static long int followmsg;  /* last time of follow message */
  46: 
  47: /*
  48: 	invariants: obj->unpaid iff onbill(obj) [unless bp->useup]
  49: 		obj->quan <= bp->bquan
  50:  */
  51: 
  52: 
  53: char shtypes[] = {  /* 8 shoptypes: 7 specialized, 1 mixed */
  54:     RING_SYM, WAND_SYM, WEAPON_SYM, FOOD_SYM, SCROLL_SYM,
  55:     POTION_SYM, ARMOR_SYM, 0
  56: };
  57: 
  58: static char *shopnam[] = {
  59:     "engagement ring", "walking cane", "antique weapon",
  60:     "delicatessen", "second hand book", "liquor",
  61:     "used armor", "assorted antiques"
  62: };
  63: 
  64: char *
  65: shkname(mtmp)               /* called in do_name.c */
  66: register struct monst *mtmp;
  67: {
  68:     return(ESHK(mtmp)->shknam);
  69: }
  70: 
  71: shkdead(mtmp)               /* called in mon.c */
  72: register struct monst *mtmp;
  73: {
  74:     register struct eshk *eshk = ESHK(mtmp);
  75: 
  76:     if(eshk->shoplevel == dlevel)
  77:         rooms[eshk->shoproom].rtype = 0;
  78:     if(mtmp == shopkeeper) {
  79:         setpaid();
  80:         shopkeeper = 0;
  81:         bill = (struct bill_x *) -1000; /* dump core when referenced */
  82:     }
  83: }
  84: 
  85: replshk(mtmp,mtmp2)
  86: register struct monst *mtmp, *mtmp2;
  87: {
  88:     if(mtmp == shopkeeper) {
  89:         shopkeeper = mtmp2;
  90:         bill = &(ESHK(shopkeeper)->bill[0]);
  91:     }
  92: }
  93: 
  94: static
  95: setpaid(){  /* caller has checked that shopkeeper exists */
  96:         /* either we paid or left the shop or he just died */
  97: register struct obj *obj;
  98: register struct monst *mtmp;
  99:     for(obj = invent; obj; obj = obj->nobj)
 100:         obj->unpaid = 0;
 101:     for(obj = fobj; obj; obj = obj->nobj)
 102:         obj->unpaid = 0;
 103:     for(obj = fcobj; obj; obj = obj->nobj)
 104:         obj->unpaid = 0;
 105:     for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
 106:         for(obj = mtmp->minvent; obj; obj = obj->nobj)
 107:             obj->unpaid = 0;
 108:     for(mtmp = fallen_down; mtmp; mtmp = mtmp->nmon)
 109:         for(obj = mtmp->minvent; obj; obj = obj->nobj)
 110:             obj->unpaid = 0;
 111:     while(obj = billobjs){
 112:         billobjs = obj->nobj;
 113:         free((char *) obj);
 114:     }
 115:     ESHK(shopkeeper)->billct = 0;
 116: }
 117: 
 118: static
 119: addupbill(){    /* delivers result in total */
 120:         /* caller has checked that shopkeeper exists */
 121: register ct = ESHK(shopkeeper)->billct;
 122: register struct bill_x *bp = bill;
 123:     total = 0;
 124:     while(ct--){
 125:         total += bp->price * bp->bquan;
 126:         bp++;
 127:     }
 128: }
 129: 
 130: inshop(){
 131: register roomno = inroom(u.ux,u.uy);
 132: 
 133:     /* Did we just leave a shop? */
 134:     if(u.uinshop &&
 135:         (u.uinshop != roomno + 1 || shlevel != dlevel || !shopkeeper)) {
 136:         u.uinshop = 0;
 137:         if(shopkeeper) {
 138:             if(ESHK(shopkeeper)->billct) {
 139:             pline("Somehow you escaped the shop without paying!");
 140:             addupbill();
 141:             pline("You stole for a total worth of %ld zorkmids.",
 142:                 total);
 143:             ESHK(shopkeeper)->robbed += total;
 144:             setpaid();
 145:             if((rooms[ESHK(shopkeeper)->shoproom].rtype == GENERAL)
 146:                 == (rn2(3) == 0))
 147:                 ESHK(shopkeeper)->following = 1;
 148:             }
 149:             shopkeeper = 0;
 150:             shlevel = 0;
 151:         }
 152:     }
 153: 
 154:     /* Did we just enter a zoo of some kind? */
 155:     if(roomno >= 0) {
 156:         register int rt = rooms[roomno].rtype;
 157:         register struct monst *mtmp;
 158:         if(rt == ZOO) {
 159:             pline("Welcome to David's treasure zoo!");
 160:         } else
 161:         if(rt == SWAMP) {
 162:             pline("It looks rather muddy down here.");
 163:         } else
 164:         if(rt == MORGUE) {
 165:             if(midnight())
 166:                 pline("Go away! Go away!");
 167:             else
 168:                 pline("You get an uncanny feeling ...");
 169:         } else
 170:             rt = 0;
 171:         if(rt != 0) {
 172:             rooms[roomno].rtype = 0;
 173:             for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
 174:                 if(rt != ZOO || !rn2(3))
 175:                     mtmp->msleep = 0;
 176:         }
 177:     }
 178: 
 179:     /* Did we just enter a shop? */
 180:     if(roomno >= 0 && rooms[roomno].rtype >= 8) {
 181:         if(shlevel != dlevel || !shopkeeper
 182:                  || ESHK(shopkeeper)->shoproom != roomno)
 183:         findshk(roomno);
 184:         if(!shopkeeper) {
 185:         rooms[roomno].rtype = 0;
 186:         u.uinshop = 0;
 187:         } else if(inroom(shopkeeper->mx, shopkeeper->my) != roomno) {
 188:         u.uinshop = 0;
 189:         } else if(!u.uinshop){
 190:         if(!ESHK(shopkeeper)->visitct ||
 191:             strncmp(ESHK(shopkeeper)->customer, plname, PL_NSIZ)){
 192: 
 193:             /* He seems to be new here */
 194:             ESHK(shopkeeper)->visitct = 0;
 195:             ESHK(shopkeeper)->following = 0;
 196:             (void) strncpy(ESHK(shopkeeper)->customer,plname,PL_NSIZ);
 197:             NOTANGRY(shopkeeper) = 1;
 198:         }
 199:         if(!ESHK(shopkeeper)->following) {
 200:             boolean box, pick;
 201: 
 202:             pline("Hello %s! Welcome%s to %s's %s shop!",
 203:             plname,
 204:             ESHK(shopkeeper)->visitct++ ? " again" : "",
 205:             shkname(shopkeeper),
 206:             shopnam[rooms[ESHK(shopkeeper)->shoproom].rtype - 8] );
 207:             box = carrying(ICE_BOX);
 208:             pick = carrying(PICK_AXE);
 209:             if(box || pick) {
 210:             if(dochug(shopkeeper)) {
 211:                 u.uinshop = 0;  /* he died moving */
 212:                 return(0);
 213:             }
 214:             pline("Will you please leave your %s outside?",
 215:                 (box && pick) ? "box and pick-axe" :
 216:                 box ? "box" : "pick-axe");
 217:             }
 218:         }
 219:         u.uinshop = roomno + 1;
 220:         }
 221:     }
 222:     return(u.uinshop);
 223: }
 224: 
 225: static
 226: findshk(roomno)
 227: register roomno;
 228: {
 229: register struct monst *mtmp;
 230:     for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
 231:         if(mtmp->isshk && ESHK(mtmp)->shoproom == roomno
 232:                && ESHK(mtmp)->shoplevel == dlevel) {
 233:         shopkeeper = mtmp;
 234:         bill = &(ESHK(shopkeeper)->bill[0]);
 235:         shlevel = dlevel;
 236:         if(ANGRY(shopkeeper) &&
 237:            strncmp(ESHK(shopkeeper)->customer,plname,PL_NSIZ))
 238:             NOTANGRY(shopkeeper) = 1;
 239:         /* billobjs = 0; -- this is wrong if we save in a shop */
 240:         /* (and it is harmless to have too many things in billobjs) */
 241:         return;
 242:     }
 243:     shopkeeper = 0;
 244:     shlevel = 0;
 245:     bill = (struct bill_x *) -1000; /* dump core when referenced */
 246: }
 247: 
 248: static struct bill_x *
 249: onbill(obj) register struct obj *obj; {
 250: register struct bill_x *bp;
 251:     if(!shopkeeper) return(0);
 252:     for(bp = bill; bp < &bill[ESHK(shopkeeper)->billct]; bp++)
 253:         if(bp->bo_id == obj->o_id) {
 254:             if(!obj->unpaid) pline("onbill: paid obj on bill?");
 255:             return(bp);
 256:         }
 257:     if(obj->unpaid) pline("onbill: unpaid obj not on bill?");
 258:     return(0);
 259: }
 260: 
 261: /* called with two args on merge */
 262: obfree(obj,merge) register struct obj *obj, *merge; {
 263: register struct bill_x *bp = onbill(obj);
 264: register struct bill_x *bpm;
 265:     if(bp) {
 266:         if(!merge){
 267:             bp->useup = 1;
 268:             obj->unpaid = 0;    /* only for doinvbill */
 269:             obj->nobj = billobjs;
 270:             billobjs = obj;
 271:             return;
 272:         }
 273:         bpm = onbill(merge);
 274:         if(!bpm){
 275:             /* this used to be a rename */
 276:             impossible("obfree: not on bill??");
 277:             return;
 278:         } else {
 279:             /* this was a merger */
 280:             bpm->bquan += bp->bquan;
 281:             ESHK(shopkeeper)->billct--;
 282:             *bp = bill[ESHK(shopkeeper)->billct];
 283:         }
 284:     }
 285:     free((char *) obj);
 286: }
 287: 
 288: static
 289: pay(tmp,shkp)
 290: long tmp;
 291: register struct monst *shkp;
 292: {
 293:     long robbed = ESHK(shkp)->robbed;
 294: 
 295:     u.ugold -= tmp;
 296:     shkp->mgold += tmp;
 297:     flags.botl = 1;
 298:     if(robbed) {
 299:         robbed -= tmp;
 300:         if(robbed < 0) robbed = 0;
 301:         ESHK(shkp)->robbed = robbed;
 302:     }
 303: }
 304: 
 305: dopay(){
 306: long ltmp;
 307: register struct bill_x *bp;
 308: register struct monst *shkp;
 309: int pass, tmp;
 310: 
 311:     multi = 0;
 312:     (void) inshop();
 313:     for(shkp = fmon; shkp; shkp = shkp->nmon)
 314:         if(shkp->isshk && dist(shkp->mx,shkp->my) < 3)
 315:             break;
 316:     if(!shkp && u.uinshop &&
 317:        inroom(shopkeeper->mx,shopkeeper->my) == ESHK(shopkeeper)->shoproom)
 318:         shkp = shopkeeper;
 319: 
 320:     if(!shkp) {
 321:         pline("There is nobody here to receive your payment.");
 322:         return(0);
 323:     }
 324:     ltmp = ESHK(shkp)->robbed;
 325:     if(shkp != shopkeeper && NOTANGRY(shkp)) {
 326:         if(!ltmp) {
 327:             pline("You do not owe %s anything.", monnam(shkp));
 328:         } else
 329:         if(!u.ugold) {
 330:             pline("You have no money.");
 331:         } else {
 332:             long ugold = u.ugold;
 333: 
 334:             if(u.ugold > ltmp) {
 335:             pline("You give %s the %ld gold pieces he asked for.",
 336:                 monnam(shkp), ltmp);
 337:             pay(ltmp, shkp);
 338:             } else {
 339:             pline("You give %s all your gold.", monnam(shkp));
 340:             pay(u.ugold, shkp);
 341:             }
 342:             if(ugold < ltmp/2) {
 343:             pline("Unfortunately, he doesn't look satisfied.");
 344:             } else {
 345:             ESHK(shkp)->robbed = 0;
 346:             ESHK(shkp)->following = 0;
 347:             if(ESHK(shkp)->shoplevel != dlevel) {
 348:             /* For convenience's sake, let him disappear */
 349:                 shkp->minvent = 0;      /* %% */
 350:                 shkp->mgold = 0;
 351:                 mondead(shkp);
 352:             }
 353:             }
 354:         }
 355:         return(1);
 356:     }
 357: 
 358:     if(!ESHK(shkp)->billct){
 359:         pline("You do not owe %s anything.", monnam(shkp));
 360:         if(!u.ugold){
 361:             pline("Moreover, you have no money.");
 362:             return(1);
 363:         }
 364:         if(ESHK(shkp)->robbed){
 365: #define min(a,b)    ((a<b)?a:b)
 366:             pline("But since his shop has been robbed recently,");
 367:             pline("you %srepay %s's expenses.",
 368:               (u.ugold < ESHK(shkp)->robbed) ? "partially " : "",
 369:               monnam(shkp));
 370:             pay(min(u.ugold, ESHK(shkp)->robbed), shkp);
 371:             ESHK(shkp)->robbed = 0;
 372:             return(1);
 373:         }
 374:         if(ANGRY(shkp)){
 375:             pline("But in order to appease %s,",
 376:                 amonnam(shkp, "angry"));
 377:             if(u.ugold >= 1000){
 378:                 ltmp = 1000;
 379:                 pline(" you give him 1000 gold pieces.");
 380:             } else {
 381:                 ltmp = u.ugold;
 382:                 pline(" you give him all your money.");
 383:             }
 384:             pay(ltmp, shkp);
 385:             if(strncmp(ESHK(shkp)->customer, plname, PL_NSIZ)
 386:                || rn2(3)){
 387:                 pline("%s calms down.", Monnam(shkp));
 388:                 NOTANGRY(shkp) = 1;
 389:             } else  pline("%s is as angry as ever.",
 390:                     Monnam(shkp));
 391:         }
 392:         return(1);
 393:     }
 394:     if(shkp != shopkeeper) {
 395:         impossible("dopay: not to shopkeeper?");
 396:         if(shopkeeper) setpaid();
 397:         return(0);
 398:     }
 399:     for(pass = 0; pass <= 1; pass++) {
 400:         tmp = 0;
 401:         while(tmp < ESHK(shopkeeper)->billct) {
 402:             bp = &bill[tmp];
 403:             if(!pass && !bp->useup) {
 404:                 tmp++;
 405:                 continue;
 406:             }
 407:             if(!dopayobj(bp)) return(1);
 408:             bill[tmp] = bill[--ESHK(shopkeeper)->billct];
 409:         }
 410:     }
 411:     pline("Thank you for shopping in %s's %s store!",
 412:         shkname(shopkeeper),
 413:         shopnam[rooms[ESHK(shopkeeper)->shoproom].rtype - 8]);
 414:     NOTANGRY(shopkeeper) = 1;
 415:     return(1);
 416: }
 417: 
 418: /* return 1 if paid successfully */
 419: /*        0 if not enough money */
 420: /*       -1 if object could not be found (but was paid) */
 421: static
 422: dopayobj(bp) register struct bill_x *bp; {
 423: register struct obj *obj;
 424: long ltmp;
 425: 
 426:     /* find the object on one of the lists */
 427:     obj = bp_to_obj(bp);
 428: 
 429:     if(!obj) {
 430:         impossible("Shopkeeper administration out of order.");
 431:         setpaid();  /* be nice to the player */
 432:         return(0);
 433:     }
 434: 
 435:     if(!obj->unpaid && !bp->useup){
 436:         impossible("Paid object on bill??");
 437:         return(1);
 438:     }
 439:     obj->unpaid = 0;
 440:     ltmp = bp->price * bp->bquan;
 441:     if(ANGRY(shopkeeper)) ltmp += ltmp/3;
 442:     if(u.ugold < ltmp){
 443:         pline("You don't have gold enough to pay %s.",
 444:             doname(obj));
 445:         obj->unpaid = 1;
 446:         return(0);
 447:     }
 448:     pay(ltmp, shopkeeper);
 449:     pline("You bought %s for %ld gold piece%s.",
 450:         doname(obj), ltmp, plur(ltmp));
 451:     if(bp->useup) {
 452:         register struct obj *otmp = billobjs;
 453:         if(obj == billobjs)
 454:             billobjs = obj->nobj;
 455:         else {
 456:             while(otmp && otmp->nobj != obj) otmp = otmp->nobj;
 457:             if(otmp) otmp->nobj = obj->nobj;
 458:             else pline("Error in shopkeeper administration.");
 459:         }
 460:         free((char *) obj);
 461:     }
 462:     return(1);
 463: }
 464: 
 465: /* routine called after dying (or quitting) with nonempty bill */
 466: paybill(){
 467:     if(shlevel == dlevel && shopkeeper && ESHK(shopkeeper)->billct){
 468:         addupbill();
 469:         if(total > u.ugold){
 470:             shopkeeper->mgold += u.ugold;
 471:             u.ugold = 0;
 472:         pline("%s comes and takes all your possessions.",
 473:             Monnam(shopkeeper));
 474:         } else {
 475:             u.ugold -= total;
 476:             shopkeeper->mgold += total;
 477:     pline("%s comes and takes the %ld zorkmids you owed him.",
 478:         Monnam(shopkeeper), total);
 479:         }
 480:         setpaid();  /* in case we create bones */
 481:     }
 482: }
 483: 
 484: /* find obj on one of the lists */
 485: struct obj *
 486: bp_to_obj(bp)
 487: register struct bill_x *bp;
 488: {
 489:     register struct obj *obj;
 490:     register struct monst *mtmp;
 491:     register unsigned id = bp->bo_id;
 492: 
 493:     if(bp->useup)
 494:         obj = o_on(id, billobjs);
 495:     else if(!(obj = o_on(id, invent)) &&
 496:         !(obj = o_on(id, fobj)) &&
 497:         !(obj = o_on(id, fcobj))) {
 498:             for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
 499:             if(obj = o_on(id, mtmp->minvent))
 500:                 break;
 501:             for(mtmp = fallen_down; mtmp; mtmp = mtmp->nmon)
 502:             if(obj = o_on(id, mtmp->minvent))
 503:                 break;
 504:         }
 505:     return(obj);
 506: }
 507: 
 508: /* called in hack.c when we pickup an object */
 509: addtobill(obj) register struct obj *obj; {
 510: register struct bill_x *bp;
 511:     if(!inshop() ||
 512:     (u.ux == ESHK(shopkeeper)->shk.x && u.uy == ESHK(shopkeeper)->shk.y) ||
 513:     (u.ux == ESHK(shopkeeper)->shd.x && u.uy == ESHK(shopkeeper)->shd.y) ||
 514:         onbill(obj) /* perhaps we threw it away earlier */
 515:       ) return;
 516:     if(ESHK(shopkeeper)->billct == BILLSZ){
 517:         pline("You got that for free!");
 518:         return;
 519:     }
 520:     bp = &bill[ESHK(shopkeeper)->billct];
 521:     bp->bo_id = obj->o_id;
 522:     bp->bquan = obj->quan;
 523:     bp->useup = 0;
 524:     bp->price = getprice(obj);
 525:     ESHK(shopkeeper)->billct++;
 526:     obj->unpaid = 1;
 527: }
 528: 
 529: splitbill(obj,otmp) register struct obj *obj, *otmp; {
 530:     /* otmp has been split off from obj */
 531: register struct bill_x *bp;
 532: register int tmp;
 533:     bp = onbill(obj);
 534:     if(!bp) {
 535:         impossible("splitbill: not on bill?");
 536:         return;
 537:     }
 538:     if(bp->bquan < otmp->quan) {
 539:         impossible("Negative quantity on bill??");
 540:     }
 541:     if(bp->bquan == otmp->quan) {
 542:         impossible("Zero quantity on bill??");
 543:     }
 544:     bp->bquan -= otmp->quan;
 545: 
 546:     /* addtobill(otmp); */
 547:     if(ESHK(shopkeeper)->billct == BILLSZ) otmp->unpaid = 0;
 548:     else {
 549:         tmp = bp->price;
 550:         bp = &bill[ESHK(shopkeeper)->billct];
 551:         bp->bo_id = otmp->o_id;
 552:         bp->bquan = otmp->quan;
 553:         bp->useup = 0;
 554:         bp->price = tmp;
 555:         ESHK(shopkeeper)->billct++;
 556:     }
 557: }
 558: 
 559: subfrombill(obj) register struct obj *obj; {
 560: long ltmp;
 561: register int tmp;
 562: register struct obj *otmp;
 563: register struct bill_x *bp;
 564:     if(!inshop() || (u.ux == ESHK(shopkeeper)->shk.x && u.uy == ESHK(shopkeeper)->shk.y) ||
 565:         (u.ux == ESHK(shopkeeper)->shd.x && u.uy == ESHK(shopkeeper)->shd.y))
 566:         return;
 567:     if((bp = onbill(obj)) != 0){
 568:         obj->unpaid = 0;
 569:         if(bp->bquan > obj->quan){
 570:             otmp = newobj(0);
 571:             *otmp = *obj;
 572:             bp->bo_id = otmp->o_id = flags.ident++;
 573:             otmp->quan = (bp->bquan -= obj->quan);
 574:             otmp->owt = 0;  /* superfluous */
 575:             otmp->onamelth = 0;
 576:             bp->useup = 1;
 577:             otmp->nobj = billobjs;
 578:             billobjs = otmp;
 579:             return;
 580:         }
 581:         ESHK(shopkeeper)->billct--;
 582:         *bp = bill[ESHK(shopkeeper)->billct];
 583:         return;
 584:     }
 585:     if(obj->unpaid){
 586:         pline("%s didn't notice.", Monnam(shopkeeper));
 587:         obj->unpaid = 0;
 588:         return;     /* %% */
 589:     }
 590:     /* he dropped something of his own - probably wants to sell it */
 591:     if(shopkeeper->msleep || shopkeeper->mfroz ||
 592:         inroom(shopkeeper->mx,shopkeeper->my) != ESHK(shopkeeper)->shoproom)
 593:         return;
 594:     if(ESHK(shopkeeper)->billct == BILLSZ ||
 595:       ((tmp = shtypes[rooms[ESHK(shopkeeper)->shoproom].rtype-8]) && tmp != obj->olet)
 596:       || index("_0", obj->olet)) {
 597:         pline("%s seems not interested.", Monnam(shopkeeper));
 598:         return;
 599:     }
 600:     ltmp = getprice(obj) * obj->quan;
 601:     if(ANGRY(shopkeeper)) {
 602:         ltmp /= 3;
 603:         NOTANGRY(shopkeeper) = 1;
 604:     } else  ltmp /= 2;
 605:     if(ESHK(shopkeeper)->robbed){
 606:         if((ESHK(shopkeeper)->robbed -= ltmp) < 0)
 607:             ESHK(shopkeeper)->robbed = 0;
 608: pline("Thank you for your contribution to restock this recently plundered shop.");
 609:         return;
 610:     }
 611:     if(ltmp > shopkeeper->mgold)
 612:         ltmp = shopkeeper->mgold;
 613:     pay(-ltmp, shopkeeper);
 614:     if(!ltmp)
 615:     pline("%s gladly accepts %s but cannot pay you at present.",
 616:         Monnam(shopkeeper), doname(obj));
 617:     else
 618:     pline("You sold %s and got %ld gold piece%s.", doname(obj), ltmp,
 619:         plur(ltmp));
 620: }
 621: 
 622: doinvbill(mode)
 623: int mode;       /* 0: deliver count 1: paged */
 624: {
 625:     register struct bill_x *bp;
 626:     register struct obj *obj;
 627:     long totused, thisused;
 628:     char buf[BUFSZ];
 629: 
 630:     if(mode == 0) {
 631:         register int cnt = 0;
 632: 
 633:         if(shopkeeper)
 634:         for(bp = bill; bp - bill < ESHK(shopkeeper)->billct; bp++)
 635:             if(bp->useup ||
 636:               ((obj = bp_to_obj(bp)) && obj->quan < bp->bquan))
 637:             cnt++;
 638:         return(cnt);
 639:     }
 640: 
 641:     if(!shopkeeper) {
 642:         impossible("doinvbill: no shopkeeper?");
 643:         return(0);
 644:     }
 645: 
 646:     set_pager(0);
 647:     if(page_line("Unpaid articles already used up:") || page_line(""))
 648:         goto quit;
 649: 
 650:     totused = 0;
 651:     for(bp = bill; bp - bill < ESHK(shopkeeper)->billct; bp++) {
 652:         obj = bp_to_obj(bp);
 653:         if(!obj) {
 654:         impossible("Bad shopkeeper administration.");
 655:         goto quit;
 656:         }
 657:         if(bp->useup || bp->bquan > obj->quan) {
 658:         register int cnt, oquan, uquan;
 659: 
 660:         oquan = obj->quan;
 661:         /* KLUDGE -- reg overflow: simplify expression:
 662: 			uquan = (bp->useup ? bp->bquan : bp->bquan - oquan);
 663: 		*/
 664:         uquan = bp->bquan;
 665:         if(bp->useup)
 666:             uquan -= oquan;
 667:         thisused = bp->price * uquan;
 668:         totused += thisused;
 669:         obj->quan = uquan;      /* cheat doname */
 670:         (void) sprintf(buf, "x -  %s", doname(obj));
 671:         obj->quan = oquan;      /* restore value */
 672:         for(cnt = 0; buf[cnt]; cnt++);
 673:         while(cnt < 50)
 674:             buf[cnt++] = ' ';
 675:         (void) sprintf(&buf[cnt], " %5ld zorkmids", thisused);
 676:         if(page_line(buf))
 677:             goto quit;
 678:         }
 679:     }
 680:     (void) sprintf(buf, "Total:%50ld zorkmids", totused);
 681:     if(page_line("") || page_line(buf))
 682:         goto quit;
 683:     set_pager(1);
 684:     return(0);
 685: quit:
 686:     set_pager(2);
 687:     return(0);
 688: }
 689: 
 690: static
 691: getprice(obj) register struct obj *obj; {
 692: register int tmp, ac;
 693:     switch(obj->olet){
 694:     case AMULET_SYM:
 695:         tmp = 10*rnd(500);
 696:         break;
 697:     case TOOL_SYM:
 698:         tmp = 10*rnd((obj->otyp == EXPENSIVE_CAMERA) ? 150 : 30);
 699:         break;
 700:     case RING_SYM:
 701:         tmp = 10*rnd(100);
 702:         break;
 703:     case WAND_SYM:
 704:         tmp = 10*rnd(100);
 705:         break;
 706:     case SCROLL_SYM:
 707:         tmp = 10*rnd(50);
 708: #ifdef MAIL
 709:         if(obj->otyp == SCR_MAIL)
 710:             tmp = rnd(5);
 711: #endif MAIL
 712:         break;
 713:     case POTION_SYM:
 714:         tmp = 10*rnd(50);
 715:         break;
 716:     case FOOD_SYM:
 717:         tmp = 10*rnd(5 + (2000/realhunger()));
 718:         break;
 719:     case GEM_SYM:
 720:         tmp = 10*rnd(20);
 721:         break;
 722:     case ARMOR_SYM:
 723:         ac = ARM_BONUS(obj);
 724:         if(ac <= -10)       /* probably impossible */
 725:             ac = -9;
 726:         tmp = 100 + ac*ac*rnd(10+ac);
 727:         break;
 728:     case WEAPON_SYM:
 729:         if(obj->otyp < BOOMERANG)
 730:             tmp = 5*rnd(10);
 731:         else if(obj->otyp == LONG_SWORD ||
 732:             obj->otyp == TWO_HANDED_SWORD)
 733:             tmp = 10*rnd(150);
 734:         else    tmp = 10*rnd(75);
 735:         break;
 736:     case CHAIN_SYM:
 737:         pline("Strange ..., carrying a chain?");
 738:     case BALL_SYM:
 739:         tmp = 10;
 740:         break;
 741:     default:
 742:         tmp = 10000;
 743:     }
 744:     return(tmp);
 745: }
 746: 
 747: static
 748: realhunger(){   /* not completely foolproof */
 749: register tmp = u.uhunger;
 750: register struct obj *otmp = invent;
 751:     while(otmp){
 752:         if(otmp->olet == FOOD_SYM && !otmp->unpaid)
 753:             tmp += objects[otmp->otyp].nutrition;
 754:         otmp = otmp->nobj;
 755:     }
 756:     return((tmp <= 0) ? 1 : tmp);
 757: }
 758: 
 759: shkcatch(obj)
 760: register struct obj *obj;
 761: {
 762:     register struct monst *shkp = shopkeeper;
 763: 
 764:     if(u.uinshop && shkp && !shkp->mfroz && !shkp->msleep &&
 765:         u.dx && u.dy &&
 766:         inroom(u.ux+u.dx, u.uy+u.dy) + 1 == u.uinshop &&
 767:         shkp->mx == ESHK(shkp)->shk.x && shkp->my == ESHK(shkp)->shk.y &&
 768:         u.ux == ESHK(shkp)->shd.x && u.uy == ESHK(shkp)->shd.y) {
 769:         pline("%s nimbly catches the %s.", Monnam(shkp), xname(obj));
 770:         obj->nobj = shkp->minvent;
 771:         shkp->minvent = obj;
 772:         return(1);
 773:     }
 774:     return(0);
 775: }
 776: 
 777: /*
 778:  * shk_move: return 1: he moved  0: he didnt  -1: let m_move do it
 779:  */
 780: shk_move(shkp)
 781: register struct monst *shkp;
 782: {
 783:     register struct monst *mtmp;
 784:     register struct permonst *mdat = shkp->data;
 785:     register xchar gx,gy,omx,omy,nx,ny,nix,niy;
 786:     register schar appr,i;
 787:     register int udist;
 788:     int z;
 789:     schar shkroom,chi,chcnt,cnt;
 790:     boolean uondoor, satdoor, avoid, badinv;
 791:     coord poss[9];
 792:     int info[9];
 793:     struct obj *ib = 0;
 794: 
 795:     omx = shkp->mx;
 796:     omy = shkp->my;
 797: 
 798:     if((udist = dist(omx,omy)) < 3) {
 799:         if(ANGRY(shkp)) {
 800:             (void) hitu(shkp, d(mdat->damn, mdat->damd)+1);
 801:             return(0);
 802:         }
 803:         if(ESHK(shkp)->following) {
 804:             if(strncmp(ESHK(shkp)->customer, plname, PL_NSIZ)){
 805:                 pline("Hello %s! I was looking for %s.",
 806:                     plname, ESHK(shkp)->customer);
 807:                 ESHK(shkp)->following = 0;
 808:                 return(0);
 809:             }
 810:             if(!ESHK(shkp)->robbed) {   /* impossible? */
 811:                 ESHK(shkp)->following = 0;
 812:                 return(0);
 813:             }
 814:             if(moves > followmsg+4) {
 815:                 pline("Hello %s! Didn't you forget to pay?",
 816:                     plname);
 817:                 followmsg = moves;
 818:             }
 819:             if(udist < 2)
 820:                 return(0);
 821:         }
 822:     }
 823: 
 824:     shkroom = inroom(omx,omy);
 825:     appr = 1;
 826:     gx = ESHK(shkp)->shk.x;
 827:     gy = ESHK(shkp)->shk.y;
 828:     satdoor = (gx == omx && gy == omy);
 829:     if(ESHK(shkp)->following || ((z = holetime()) >= 0 && z*z <= udist)){
 830:         gx = u.ux;
 831:         gy = u.uy;
 832:         if(shkroom < 0 || shkroom != inroom(u.ux,u.uy))
 833:             if(udist > 4)
 834:             return(-1); /* leave it to m_move */
 835:     } else if(ANGRY(shkp)) {
 836:         long saveBlind = Blind;
 837:         Blind = 0;
 838:         if(shkp->mcansee && !Invis && cansee(omx,omy)) {
 839:             gx = u.ux;
 840:             gy = u.uy;
 841:         }
 842:         Blind = saveBlind;
 843:         avoid = FALSE;
 844:     } else {
 845: #define GDIST(x,y)  ((x-gx)*(x-gx)+(y-gy)*(y-gy))
 846:         if(Invis)
 847:           avoid = FALSE;
 848:         else {
 849:           uondoor = (u.ux == ESHK(shkp)->shd.x &&
 850:                 u.uy == ESHK(shkp)->shd.y);
 851:           if(uondoor) {
 852:             if(ESHK(shkp)->billct)
 853:             pline("Hello %s! Will you please pay before leaving?",
 854:                 plname);
 855:             badinv = (carrying(PICK_AXE) || carrying(ICE_BOX));
 856:             if(satdoor && badinv)
 857:             return(0);
 858:             avoid = !badinv;
 859:           } else {
 860:             avoid = (u.uinshop && dist(gx,gy) > 8);
 861:             badinv = FALSE;
 862:           }
 863: 
 864:           if(((!ESHK(shkp)->robbed && !ESHK(shkp)->billct) || avoid)
 865:             && GDIST(omx,omy) < 3){
 866:             if(!badinv && !online(omx,omy))
 867:                 return(0);
 868:             if(satdoor)
 869:                 appr = gx = gy = 0;
 870:           }
 871:         }
 872:     }
 873:     if(omx == gx && omy == gy)
 874:         return(0);
 875:     if(shkp->mconf) {
 876:         avoid = FALSE;
 877:         appr = 0;
 878:     }
 879:     nix = omx;
 880:     niy = omy;
 881:     cnt = mfndpos(shkp,poss,info,ALLOW_SSM);
 882:     if(avoid && uondoor) {      /* perhaps we cannot avoid him */
 883:         for(i=0; i<cnt; i++)
 884:             if(!(info[i] & NOTONL)) goto notonl_ok;
 885:         avoid = FALSE;
 886:     notonl_ok:
 887:         ;
 888:     }
 889:     chi = -1;
 890:     chcnt = 0;
 891:     for(i=0; i<cnt; i++){
 892:         nx = poss[i].x;
 893:         ny = poss[i].y;
 894:         if(levl[nx][ny].typ == ROOM
 895:         || shkroom != ESHK(shkp)->shoproom
 896:         || ESHK(shkp)->following) {
 897: #ifdef STUPID
 898:             /* cater for stupid compilers */
 899:             register int zz;
 900: #endif STUPID
 901:             if(uondoor && (ib = sobj_at(ICE_BOX, nx, ny))) {
 902:             nix = nx; niy = ny; chi = i; break;
 903:             }
 904:             if(avoid && (info[i] & NOTONL))
 905:             continue;
 906:             if((!appr && !rn2(++chcnt)) ||
 907: #ifdef STUPID
 908:             (appr && (zz = GDIST(nix,niy)) && zz > GDIST(nx,ny))
 909: #else
 910:             (appr && GDIST(nx,ny) < GDIST(nix,niy))
 911: #endif STUPID
 912:             ) {
 913:                 nix = nx;
 914:                 niy = ny;
 915:                 chi = i;
 916:             }
 917:         }
 918:     }
 919:     if(nix != omx || niy != omy){
 920:         if(info[chi] & ALLOW_M){
 921:             mtmp = m_at(nix,niy);
 922:             if(hitmm(shkp,mtmp) == 1 && rn2(3) &&
 923:                hitmm(mtmp,shkp) == 2) return(2);
 924:             return(0);
 925:         } else if(info[chi] & ALLOW_U){
 926:             (void) hitu(shkp, d(mdat->damn, mdat->damd)+1);
 927:             return(0);
 928:         }
 929:         shkp->mx = nix;
 930:         shkp->my = niy;
 931:         pmon(shkp);
 932:         if(ib) {
 933:             freeobj(ib);
 934:             mpickobj(shkp, ib);
 935:         }
 936:         return(1);
 937:     }
 938:     return(0);
 939: }
 940: #endif QUEST
 941: 
 942: online(x,y) {
 943:     return(x==u.ux || y==u.uy ||
 944:         (x-u.ux)*(x-u.ux) == (y-u.uy)*(y-u.uy));
 945: }
 946: 
 947: /* Does this monster follow me downstairs? */
 948: follower(mtmp)
 949: register struct monst *mtmp;
 950: {
 951:     return( mtmp->mtame || index("1TVWZi&, ", mtmp->data->mlet) ||
 952:         (mtmp->isshk && ESHK(mtmp)->following) );
 953: }
 954: 
 955: /* He is digging in the shop. */
 956: shopdig(fall)
 957: register int fall;
 958: {
 959:     if(!fall) {
 960:     if(u.utraptype == TT_PIT)
 961:         pline("\"Be careful, sir, or you might fall through the floor.\"");
 962:     else
 963:         pline("\"Please, do not damage the floor here.\"");
 964:     } else if(dist(shopkeeper->mx, shopkeeper->my) < 3) {
 965:     register struct obj *obj, *obj2;
 966: 
 967:     pline("%s grabs your backpack!", shkname(shopkeeper));
 968:     for(obj = invent; obj; obj = obj2) {
 969:         obj2 = obj->nobj;
 970:         if(obj->owornmask) continue;
 971:         freeinv(obj);
 972:         obj->nobj = shopkeeper->minvent;
 973:         shopkeeper->minvent = obj;
 974:         if(obj->unpaid)
 975:             subfrombill(obj);
 976:     }
 977:     }
 978: }

Defined functions

Defined variables

Defined macros