games/hack/hack.mkshop.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.mkshop.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.mkshop.c,v 1.4 1999/11/16 10:26:37 marcel Exp $ */
   4 /* $DragonFly: src/games/hack/hack.mkshop.c,v 1.3 2004/11/06 12:29:17 eirikn Exp $ */
   5
   6 #ifndef QUEST
   7 #include "hack.h"
   8 #include "def.mkroom.h"
   9 #include "def.eshk.h"
  10 #include <stdlib.h>
  11 #define ESHK    ((struct eshk *)(&(shk->mextra[0])))
  12 extern struct monst *makemon();
  13 extern struct obj *mkobj_at();
  14 extern int nroom;
  15 extern char shtypes[];  /* = "=/)%?!["; 8 types: 7 specialized, 1 mixed */
  16 schar shprobs[] = { 3,3,5,5,10,10,14,50 };      /* their probabilities */
  17
  18 mkshop(){
  19 struct mkroom *sroom;
  20 int sh,sx,sy,i = -1;
  21 char let;
  22 int roomno;
  23 struct monst *shk;
  24 #ifdef WIZARD
  25         /* first determine shoptype */
  26         if(wizard){
  27                 char *ep = getenv("SHOPTYPE");
  28                 if(ep){
  29                         if(*ep == 'z' || *ep == 'Z'){
  30                                 mkzoo(ZOO);
  31                                 return;
  32                         }
  33                         if(*ep == 'm' || *ep == 'M'){
  34                                 mkzoo(MORGUE);
  35                                 return;
  36                         }
  37                         if(*ep == 'b' || *ep == 'B'){
  38                                 mkzoo(BEEHIVE);
  39                                 return;
  40                         }
  41                         if(*ep == 's' || *ep == 'S'){
  42                                 mkswamp();
  43                                 return;
  44                         }
  45                         for(i=0; shtypes[i]; i++)
  46                                 if(*ep == shtypes[i]) break;
  47                         goto gottype;
  48                 }
  49         }
  50 gottype:
  51 #endif /* WIZARD */
  52         for(sroom = &rooms[0], roomno = 0; ; sroom++, roomno++){
  53                 if(sroom->hx < 0) return;
  54                 if(sroom - rooms >= nroom) {
  55                         pline("rooms not closed by -1?");
  56                         return;
  57                 }
  58                 if(sroom->rtype) continue;
  59                 if(!sroom->rlit || has_dnstairs(sroom) || has_upstairs(sroom))
  60                         continue;
  61                 if(
  62 #ifdef WIZARD
  63                    (wizard && getenv("SHOPTYPE") && sroom->doorct != 0) ||
  64 #endif /* WIZARD */
  65                         sroom->doorct <= 2 && sroom->doorct > 0) break;
  66         }
  67
  68         if(i < 0) {                     /* shoptype not yet determined */
  69             int j;
  70
  71             for(j = rn2(100), i = 0; (j -= shprobs[i])>= 0; i++)
  72                 if(!shtypes[i]) break;                  /* superfluous */
  73             if(isbig(sroom) && i + SHOPBASE == WANDSHOP)
  74                 i = GENERAL-SHOPBASE;
  75         }
  76         sroom->rtype = i + SHOPBASE;
  77         let = shtypes[i];
  78         sh = sroom->fdoor;
  79         sx = doors[sh].x;
  80         sy = doors[sh].y;
  81         if(sx == sroom->lx-1) sx++; else
  82         if(sx == sroom->hx+1) sx--; else
  83         if(sy == sroom->ly-1) sy++; else
  84         if(sy == sroom->hy+1) sy--; else {
  85 #ifdef WIZARD
  86             /* This is said to happen sometimes, but I've never seen it. */
  87             if(wizard) {
  88                 int j = sroom->doorct;
  89                 extern int doorindex;
  90
  91                 pline("Where is shopdoor?");
  92                 pline("Room at (%d,%d),(%d,%d).", sroom->lx, sroom->ly,
  93                         sroom->hx, sroom->hy);
  94                 pline("doormax=%d doorct=%d fdoor=%d",
  95                         doorindex, sroom->doorct, sh);
  96                 while(j--) {
  97                         pline("door [%d,%d]", doors[sh].x, doors[sh].y);
  98                         sh++;
  99                 }
 100                 more();
 101             }
 102 #endif /* WIZARD */
 103             return;
 104         }
 105         if(!(shk = makemon(PM_SHK,sx,sy))) return;
 106         shk->isshk = shk->mpeaceful = 1;
 107         shk->msleep = 0;
 108         shk->mtrapseen = ~0;    /* we know all the traps already */
 109         ESHK->shoproom = roomno;
 110         ESHK->shoplevel = dlevel;
 111         ESHK->shd = doors[sh];
 112         ESHK->shk.x = sx;
 113         ESHK->shk.y = sy;
 114         ESHK->robbed = 0;
 115         ESHK->visitct = 0;
 116         ESHK->following = 0;
 117         shk->mgold = 1000 + 30*rnd(100);        /* initial capital */
 118         ESHK->billct = 0;
 119         findname(ESHK->shknam, let);
 120         for(sx = sroom->lx; sx <= sroom->hx; sx++)
 121         for(sy = sroom->ly; sy <= sroom->hy; sy++){
 122                 struct monst *mtmp;
 123                 if((sx == sroom->lx && doors[sh].x == sx-1) ||
 124                    (sx == sroom->hx && doors[sh].x == sx+1) ||
 125                    (sy == sroom->ly && doors[sh].y == sy-1) ||
 126                    (sy == sroom->hy && doors[sh].y == sy+1)) continue;
 127                 if(rn2(100) < dlevel && !m_at(sx,sy) &&
 128                    (mtmp = makemon(PM_MIMIC, sx, sy))){
 129                         mtmp->mimic = 1;
 130                         mtmp->mappearance =
 131                             (let && rn2(10) < dlevel) ? let : ']';
 132                         continue;
 133                 }
 134                 (void) mkobj_at(let, sx, sy);
 135         }
 136 }
 137
 138 mkzoo(type)
 139 int type;
 140 {
 141         struct mkroom *sroom;
 142         struct monst *mon;
 143         int sh,sx,sy,i;
 144         int goldlim = 500 * dlevel;
 145         int moct = 0;
 146         struct permonst *morguemon();
 147
 148         i = nroom;
 149         for(sroom = &rooms[rn2(nroom)]; ; sroom++) {
 150                 if(sroom == &rooms[nroom])
 151                         sroom = &rooms[0];
 152                 if(!i-- || sroom->hx < 0)
 153                         return;
 154                 if(sroom->rtype)
 155                         continue;
 156                 if(type == MORGUE && sroom->rlit)
 157                         continue;
 158                 if(has_upstairs(sroom) || (has_dnstairs(sroom) && rn2(3)))
 159                         continue;
 160                 if(sroom->doorct == 1 || !rn2(5))
 161                         break;
 162         }
 163         sroom->rtype = type;
 164         sh = sroom->fdoor;
 165         for(sx = sroom->lx; sx <= sroom->hx; sx++)
 166         for(sy = sroom->ly; sy <= sroom->hy; sy++){
 167                 if((sx == sroom->lx && doors[sh].x == sx-1) ||
 168                    (sx == sroom->hx && doors[sh].x == sx+1) ||
 169                    (sy == sroom->ly && doors[sh].y == sy-1) ||
 170                    (sy == sroom->hy && doors[sh].y == sy+1)) continue;
 171                 mon = makemon(
 172                    (type == MORGUE) ? morguemon() :
 173                    (type == BEEHIVE) ? PM_KILLER_BEE : (struct permonst *) 0,
 174                    sx, sy);
 175                 if(mon) mon->msleep = 1;
 176                 switch(type) {
 177                 case ZOO:
 178                    i = sq(dist2(sx,sy,doors[sh].x,doors[sh].y));
 179                    if(i >= goldlim) i = 5*dlevel;
 180                    goldlim -= i;
 181                    mkgold((long)(10 + rn2(i)), sx, sy);
 182                    break;
 183                 case MORGUE:
 184                    /* Usually there is one dead body in the morgue */
 185                    if(!moct && rn2(3)) {
 186                         mksobj_at(CORPSE, sx, sy);
 187                         moct++;
 188                    }
 189                    break;
 190                 case BEEHIVE:
 191                    if(!rn2(3)) mksobj_at(LUMP_OF_ROYAL_JELLY, sx, sy);
 192                    break;
 193                 }
 194         }
 195 }
 196
 197 struct permonst *
 198 morguemon()
 199 {
 200         extern struct permonst pm_ghost;
 201         int i = rn2(100), hd = rn2(dlevel);
 202
 203         if(hd > 10 && i < 10) return(PM_DEMON);
 204         if(hd > 8 && i > 85) return(PM_VAMPIRE);
 205         return((i < 40) ? PM_GHOST : (i < 60) ? PM_WRAITH : PM_ZOMBIE);
 206 }
 207
 208 mkswamp()       /* Michiel Huisjes & Fred de Wilde */
 209 {
 210         struct mkroom *sroom;
 211         int sx,sy,i,eelct = 0;
 212         extern struct permonst pm_eel;
 213
 214         for(i=0; i<5; i++) {            /* 5 tries */
 215                 sroom = &rooms[rn2(nroom)];
 216                 if(sroom->hx < 0 || sroom->rtype ||
 217                    has_upstairs(sroom) || has_dnstairs(sroom))
 218                         continue;
 219
 220                 /* satisfied; make a swamp */
 221                 sroom->rtype = SWAMP;
 222                 for(sx = sroom->lx; sx <= sroom->hx; sx++)
 223                 for(sy = sroom->ly; sy <= sroom->hy; sy++)
 224                 if((sx+sy)%2 && !o_at(sx,sy) && !t_at(sx,sy)
 225                              && !m_at(sx,sy) && !nexttodoor(sx,sy)){
 226                         levl[sx][sy].typ = POOL;
 227                         levl[sx][sy].scrsym = POOL_SYM;
 228                         if(!eelct || !rn2(4)) {
 229                                 (void) makemon(PM_EEL, sx, sy);
 230                                 eelct++;
 231                         }
 232                 }
 233         }
 234 }
 235
 236 nexttodoor(sx,sy)
 237 int sx,sy;
 238 {
 239         int dx,dy;
 240         struct rm *lev;
 241         for(dx = -1; dx <= 1; dx++) for(dy = -1; dy <= 1; dy++)
 242                 if((lev = &levl[sx+dx][sy+dy])->typ == DOOR ||
 243                     lev->typ == SDOOR || lev->typ == LDOOR)
 244                         return(1);
 245         return(0);
 246 }
 247
 248 has_dnstairs(sroom)
 249 struct mkroom *sroom;
 250 {
 251         return(sroom->lx <= xdnstair && xdnstair <= sroom->hx &&
 252                    sroom->ly <= ydnstair && ydnstair <= sroom->hy);
 253 }
 254
 255 has_upstairs(sroom)
 256 struct mkroom *sroom;
 257 {
 258         return(sroom->lx <= xupstair && xupstair <= sroom->hx &&
 259                    sroom->ly <= yupstair && yupstair <= sroom->hy);
 260 }
 261
 262 isbig(sroom)
 263 struct mkroom *sroom;
 264 {
 265         int area = (sroom->hx - sroom->lx) * (sroom->hy - sroom->ly);
 266         return( area > 20 );
 267 }
 268
 269 dist2(x0,y0,x1,y1){
 270         return((x0-x1)*(x0-x1) + (y0-y1)*(y0-y1));
 271 }
 272
 273 sq(a) int a; {
 274         return(a*a);
 275 }
 276 #endif /* QUEST */