hack/hack.mkmaze.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.mkmaze.c - version 1.0.2 */
   3
   4 #include "hack.h"
   5 #include "def.mkroom.h"         /* not really used */
   6 extern struct monst *makemon();
   7 extern struct permonst pm_wizard;
   8 extern struct obj *mkobj_at();
   9 extern coord mazexy();
  10 struct permonst hell_hound =
  11         { "hell hound", 'd', 12, 14, 2, 3, 6, 0 };
  12
  13 makemaz()
  14 {
  15         int x,y;
  16         register zx,zy;
  17         coord mm;
  18         boolean al = (dlevel >= 30 && !flags.made_amulet);
  19
  20         for(x = 2; x < COLNO-1; x++)
  21                 for(y = 2; y < ROWNO-1; y++)
  22                         levl[x][y].typ = (x%2 && y%2) ? 0 : HWALL;
  23         if(al) {
  24             register struct monst *mtmp;
  25
  26             zx = 2*(COLNO/4) - 1;
  27             zy = 2*(ROWNO/4) - 1;
  28             for(x = zx-2; x < zx+4; x++) for(y = zy-2; y <= zy+2; y++) {
  29                 levl[x][y].typ =
  30                     (y == zy-2 || y == zy+2 || x == zx-2 || x == zx+3) ? POOL :
  31                     (y == zy-1 || y == zy+1 || x == zx-1 || x == zx+2) ? HWALL:
  32                     ROOM;
  33             }
  34             (void) mkobj_at(AMULET_SYM, zx, zy);
  35             flags.made_amulet = 1;
  36             walkfrom(zx+4, zy);
  37             if(mtmp = makemon(&hell_hound, zx, zy))
  38                 mtmp->msleep = 1;
  39             if(mtmp = makemon(PM_WIZARD, zx+1, zy)) {
  40                 mtmp->msleep = 1;
  41                 flags.no_of_wizards = 1;
  42             }
  43         } else {
  44             mm = mazexy();
  45             zx = mm.x;
  46             zy = mm.y;
  47             walkfrom(zx,zy);
  48             (void) mksobj_at(WAN_WISHING, zx, zy);
  49             (void) mkobj_at(ROCK_SYM, zx, zy);  /* put a rock on top of it */
  50         }
  51
  52         for(x = 2; x < COLNO-1; x++)
  53                 for(y = 2; y < ROWNO-1; y++) {
  54                         switch(levl[x][y].typ) {
  55                         case HWALL:
  56                                 levl[x][y].scrsym = '-';
  57                                 break;
  58                         case ROOM:
  59                                 levl[x][y].scrsym = '.';
  60                                 break;
  61                         }
  62                 }
  63         for(x = rn1(8,11); x; x--) {
  64                 mm = mazexy();
  65                 (void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
  66         }
  67         for(x = rn1(10,2); x; x--) {
  68                 mm = mazexy();
  69                 (void) mkobj_at(ROCK_SYM, mm.x, mm.y);
  70         }
  71         mm = mazexy();
  72         (void) makemon(PM_MINOTAUR, mm.x, mm.y);
  73         for(x = rn1(5,7); x; x--) {
  74                 mm = mazexy();
  75                 (void) makemon((struct permonst *) 0, mm.x, mm.y);
  76         }
  77         for(x = rn1(6,7); x; x--) {
  78                 mm = mazexy();
  79                 mkgold(0L,mm.x,mm.y);
  80         }
  81         for(x = rn1(6,7); x; x--)
  82                 mktrap(0,1,(struct mkroom *) 0);
  83         mm = mazexy();
  84         levl[(xupstair = mm.x)][(yupstair = mm.y)].scrsym = '<';
  85         levl[xupstair][yupstair].typ = STAIRS;
  86         xdnstair = ydnstair = 0;
  87 }
  88
  89 walkfrom(x,y) int x,y; {
  90 register int q,a,dir;
  91 int dirs[4];
  92         levl[x][y].typ = ROOM;
  93         while(1) {
  94                 q = 0;
  95                 for(a = 0; a < 4; a++)
  96                         if(okay(x,y,a)) dirs[q++]= a;
  97                 if(!q) return;
  98                 dir = dirs[rn2(q)];
  99                 move(&x,&y,dir);
 100                 levl[x][y].typ = ROOM;
 101                 move(&x,&y,dir);
 102                 walkfrom(x,y);
 103         }
 104 }
 105
 106 move(x,y,dir)
 107 register int *x, *y;
 108 register int dir;
 109 {
 110         switch(dir){
 111                 case 0: --(*y); break;
 112                 case 1: (*x)++; break;
 113                 case 2: (*y)++; break;
 114                 case 3: --(*x); break;
 115         }
 116 }
 117
 118 okay(x,y,dir)
 119 int x,y;
 120 register int dir;
 121 {
 122         move(&x,&y,dir);
 123         move(&x,&y,dir);
 124         if(x<3 || y<3 || x>COLNO-3 || y>ROWNO-3 || levl[x][y].typ != 0)
 125                 return(0);
 126         else
 127                 return(1);
 128 }
 129
 130 coord
 131 mazexy(){
 132         coord mm;
 133         mm.x = 3 + 2*rn2(COLNO/2 - 2);
 134         mm.y = 3 + 2*rn2(ROWNO/2 - 2);
 135         return mm;
 136 }