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 1.4 2006/08/21 19:45:32 pavalos Exp $ */
   5
   6 #ifndef QUEST
   7 #include "hack.h"
   8 #include "def.eshk.h"
   9 #define ESHK    ((struct eshk *)(&(shk->mextra[0])))
  10 extern int nroom;
  11 extern char shtypes[];  /* = "=/)%?!["; 8 types: 7 specialized, 1 mixed */
  12 schar shprobs[] = { 3,3,5,5,10,10,14,50 };      /* their probabilities */
  13
  14 static struct permonst  *morguemon(void);
  15 static bool              nexttodoor(int, int);
  16 static bool              has_dnstairs(struct mkroom *);
  17 static bool              has_upstairs(struct mkroom *);
  18 static bool              isbig(struct mkroom *);
  19 static int               dist2(int, int, int, int);
  20 static int               sq(int);
  21
  22 void
  23 mkshop(void)
  24 {
  25 struct mkroom *sroom;
  26 int sh,sx,sy,i = -1;
  27 char let;
  28 int roomno;
  29 struct monst *shk;
  30 #ifdef WIZARD
  31         /* first determine shoptype */
  32         if(wizard){
  33                 char *ep = getenv("SHOPTYPE");
  34                 if(ep){
  35                         if(*ep == 'z' || *ep == 'Z'){
  36                                 mkzoo(ZOO);
  37                                 return;
  38                         }
  39                         if(*ep == 'm' || *ep == 'M'){
  40                                 mkzoo(MORGUE);
  41                                 return;
  42                         }
  43                         if(*ep == 'b' || *ep == 'B'){
  44                                 mkzoo(BEEHIVE);
  45                                 return;
  46                         }
  47                         if(*ep == 's' || *ep == 'S'){
  48                                 mkswamp();
  49                                 return;
  50                         }
  51                         for(i=0; shtypes[i]; i++)
  52                                 if(*ep == shtypes[i]) break;
  53                         goto gottype;
  54                 }
  55         }
  56 gottype:
  57 #endif /* WIZARD */
  58         for(sroom = &rooms[0], roomno = 0; ; sroom++, roomno++){
  59                 if(sroom->hx < 0) return;
  60                 if(sroom - rooms >= nroom) {
  61                         pline("rooms not closed by -1?");
  62                         return;
  63                 }
  64                 if(sroom->rtype) continue;
  65                 if(!sroom->rlit || has_dnstairs(sroom) || has_upstairs(sroom))
  66                         continue;
  67                 if(
  68 #ifdef WIZARD
  69                    ((wizard && getenv("SHOPTYPE") && sroom->doorct != 0)) ||
  70 #endif /* WIZARD */
  71                         (sroom->doorct <= 2 && sroom->doorct > 0)) break;
  72         }
  73
  74         if(i < 0) {                     /* shoptype not yet determined */
  75             int j;
  76
  77             for(j = rn2(100), i = 0; (j -= shprobs[i])>= 0; i++)
  78                 if(!shtypes[i]) break;                  /* superfluous */
  79             if(isbig(sroom) && i + SHOPBASE == WANDSHOP)
  80                 i = GENERAL-SHOPBASE;
  81         }
  82         sroom->rtype = i + SHOPBASE;
  83         let = shtypes[i];
  84         sh = sroom->fdoor;
  85         sx = doors[sh].x;
  86         sy = doors[sh].y;
  87         if(sx == sroom->lx-1) sx++; else
  88         if(sx == sroom->hx+1) sx--; else
  89         if(sy == sroom->ly-1) sy++; else
  90         if(sy == sroom->hy+1) sy--; else {
  91 #ifdef WIZARD
  92             /* This is said to happen sometimes, but I've never seen it. */
  93             if(wizard) {
  94                 int j = sroom->doorct;
  95
  96                 pline("Where is shopdoor?");
  97                 pline("Room at (%d,%d),(%d,%d).", sroom->lx, sroom->ly,
  98                         sroom->hx, sroom->hy);
  99                 pline("doormax=%d doorct=%d fdoor=%d",
 100                         doorindex, sroom->doorct, sh);
 101                 while(j--) {
 102                         pline("door [%d,%d]", doors[sh].x, doors[sh].y);
 103                         sh++;
 104                 }
 105                 more();
 106             }
 107 #endif /* WIZARD */
 108             return;
 109         }
 110         if(!(shk = makemon(PM_SHK,sx,sy))) return;
 111         shk->isshk = shk->mpeaceful = 1;
 112         shk->msleep = 0;
 113         shk->mtrapseen = ~0;    /* we know all the traps already */
 114         ESHK->shoproom = roomno;
 115         ESHK->shoplevel = dlevel;
 116         ESHK->shd = doors[sh];
 117         ESHK->shk.x = sx;
 118         ESHK->shk.y = sy;
 119         ESHK->robbed = 0;
 120         ESHK->visitct = 0;
 121         ESHK->following = 0;
 122         shk->mgold = 1000 + 30*rnd(100);        /* initial capital */
 123         ESHK->billct = 0;
 124         findname(ESHK->shknam, let);
 125         for(sx = sroom->lx; sx <= sroom->hx; sx++)
 126         for(sy = sroom->ly; sy <= sroom->hy; sy++){
 127                 struct monst *mtmp;
 128                 if((sx == sroom->lx && doors[sh].x == sx-1) ||
 129                    (sx == sroom->hx && doors[sh].x == sx+1) ||
 130                    (sy == sroom->ly && doors[sh].y == sy-1) ||
 131                    (sy == sroom->hy && doors[sh].y == sy+1)) continue;
 132                 if(rn2(100) < dlevel && !m_at(sx,sy) &&
 133                    (mtmp = makemon(PM_MIMIC, sx, sy))){
 134                         mtmp->mimic = 1;
 135                         mtmp->mappearance =
 136                             (let && rn2(10) < dlevel) ? let : ']';
 137                         continue;
 138                 }
 139                 mkobj_at(let, sx, sy);
 140         }
 141 }
 142
 143 void
 144 mkzoo(int type)
 145 {
 146         struct mkroom *sroom;
 147         struct monst *mon;
 148         int sh,sx,sy,i;
 149         int goldlim = 500 * dlevel;
 150         int moct = 0;
 151
 152         i = nroom;
 153         for(sroom = &rooms[rn2(nroom)]; ; sroom++) {
 154                 if(sroom == &rooms[nroom])
 155                         sroom = &rooms[0];
 156                 if(!i-- || sroom->hx < 0)
 157                         return;
 158                 if(sroom->rtype)
 159                         continue;
 160                 if(type == MORGUE && sroom->rlit)
 161                         continue;
 162                 if(has_upstairs(sroom) || (has_dnstairs(sroom) && rn2(3)))
 163                         continue;
 164                 if(sroom->doorct == 1 || !rn2(5))
 165                         break;
 166         }
 167         sroom->rtype = type;
 168         sh = sroom->fdoor;
 169         for(sx = sroom->lx; sx <= sroom->hx; sx++)
 170         for(sy = sroom->ly; sy <= sroom->hy; sy++){
 171                 if((sx == sroom->lx && doors[sh].x == sx-1) ||
 172                    (sx == sroom->hx && doors[sh].x == sx+1) ||
 173                    (sy == sroom->ly && doors[sh].y == sy-1) ||
 174                    (sy == sroom->hy && doors[sh].y == sy+1)) continue;
 175                 mon = makemon(
 176                    (type == MORGUE) ? morguemon() :
 177                    (type == BEEHIVE) ? PM_KILLER_BEE : (struct permonst *) 0,
 178                    sx, sy);
 179                 if(mon) mon->msleep = 1;
 180                 switch(type) {
 181                 case ZOO:
 182                    i = sq(dist2(sx,sy,doors[sh].x,doors[sh].y));
 183                    if(i >= goldlim) i = 5*dlevel;
 184                    goldlim -= i;
 185                    mkgold((long)(10 + rn2(i)), sx, sy);
 186                    break;
 187                 case MORGUE:
 188                    /* Usually there is one dead body in the morgue */
 189                    if(!moct && rn2(3)) {
 190                         mksobj_at(CORPSE, sx, sy);
 191                         moct++;
 192                    }
 193                    break;
 194                 case BEEHIVE:
 195                    if(!rn2(3)) mksobj_at(LUMP_OF_ROYAL_JELLY, sx, sy);
 196                    break;
 197                 }
 198         }
 199 }
 200
 201 static struct permonst *
 202 morguemon(void)
 203 {
 204         int i = rn2(100), hd = rn2(dlevel);
 205
 206         if(hd > 10 && i < 10) return(PM_DEMON);
 207         if(hd > 8 && i > 85) return(PM_VAMPIRE);
 208         return((i < 40) ? PM_GHOST : (i < 60) ? PM_WRAITH : PM_ZOMBIE);
 209 }
 210
 211 void
 212 mkswamp(void)   /* Michiel Huisjes & Fred de Wilde */
 213 {
 214         struct mkroom *sroom;
 215         int sx,sy,i,eelct = 0;
 216
 217         for(i=0; i<5; i++) {            /* 5 tries */
 218                 sroom = &rooms[rn2(nroom)];
 219                 if(sroom->hx < 0 || sroom->rtype ||
 220                    has_upstairs(sroom) || has_dnstairs(sroom))
 221                         continue;
 222
 223                 /* satisfied; make a swamp */
 224                 sroom->rtype = SWAMP;
 225                 for(sx = sroom->lx; sx <= sroom->hx; sx++)
 226                 for(sy = sroom->ly; sy <= sroom->hy; sy++)
 227                 if((sx+sy)%2 && !o_at(sx,sy) && !t_at(sx,sy)
 228                              && !m_at(sx,sy) && !nexttodoor(sx,sy)){
 229                         levl[sx][sy].typ = POOL;
 230                         levl[sx][sy].scrsym = POOL_SYM;
 231                         if(!eelct || !rn2(4)) {
 232                                 makemon(PM_EEL, sx, sy);
 233                                 eelct++;
 234                         }
 235                 }
 236         }
 237 }
 238
 239 static bool
 240 nexttodoor(int sx, int sy)
 241 {
 242         int dx,dy;
 243         struct rm *lev;
 244         for(dx = -1; dx <= 1; dx++) for(dy = -1; dy <= 1; dy++)
 245                 if((lev = &levl[sx+dx][sy+dy])->typ == DOOR ||
 246                     lev->typ == SDOOR || lev->typ == LDOOR)
 247                         return(1);
 248         return(0);
 249 }
 250
 251 static bool
 252 has_dnstairs(struct mkroom *sroom)
 253 {
 254         return(sroom->lx <= xdnstair && xdnstair <= sroom->hx &&
 255                    sroom->ly <= ydnstair && ydnstair <= sroom->hy);
 256 }
 257
 258 static bool
 259 has_upstairs(struct mkroom *sroom)
 260 {
 261         return(sroom->lx <= xupstair && xupstair <= sroom->hx &&
 262                    sroom->ly <= yupstair && yupstair <= sroom->hy);
 263 }
 264
 265 static bool
 266 isbig(struct mkroom *sroom)
 267 {
 268         int area = (sroom->hx - sroom->lx) * (sroom->hy - sroom->ly);
 269         return( area > 20 );
 270 }
 271
 272 static int
 273 dist2(int x0, int y0, int x1, int y1)
 274 {
 275         return((x0-x1)*(x0-x1) + (y0-y1)*(y0-y1));
 276 }
 277
 278 static int
 279 sq(int a)
 280 {
 281         return(a*a);
 282 }
 283 #endif /* QUEST */