games/larn/main.c

   1 /*      main.c          */
   2 /* $FreeBSD: src/games/larn/main.c,v 1.9 1999/11/30 03:48:59 billf Exp $ */
   3 /* $DragonFly: src/games/larn/main.c,v 1.5 2008/06/05 18:06:30 swildner Exp $ */
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include "header.h"
   7 #include <pwd.h>
   8 static const char copyright[]="\nLarn is copyrighted 1986 by Noah Morgan.\n";
   9 int srcount=0;  /* line counter for showstr()   */
  10 int dropflag=0; /* if 1 then don't lookforobject() next round */
  11 int rmst=80;    /*      random monster creation counter         */
  12 int userid;             /* the players login user id number */
  13 char nowelcome=0,nomove=0; /* if (nomove) then don't count next iteration as a move */
  14 static char viewflag=0;
  15         /*      if viewflag then we have done a 99 stay here and don't showcell in the main loop */
  16 char restorflag=0;      /* 1 means restore has been done        */
  17 static char cmdhelp[] = "\
  18 Cmd line format: larn [-slicnh] [-o<optsifle>] [-##] [++]\n\
  19   -s   show the scoreboard\n\
  20   -l   show the logfile (wizard id only)\n\
  21   -i   show scoreboard with inventories of dead characters\n\
  22   -c   create new scoreboard (wizard id only)\n\
  23   -n   suppress welcome message on starting game\n\
  24   -##  specify level of difficulty (example: -5)\n\
  25   -h   print this help text\n\
  26   ++   restore game from checkpoint file\n\
  27   -o<optsfile>   specify .larnopts filename to be used instead of \"~/.larnopts\"\n\
  28 ";
  29 #ifdef VT100
  30 static const char *termtypes[] = { "vt100", "vt101", "vt102", "vt103", "vt125",
  31         "vt131", "vt140", "vt180", "vt220", "vt240", "vt241", "vt320", "vt340",
  32         "vt341"  };
  33 #endif /* VT100 */
  34
  35 static void     showstr(void);
  36 static void     t_setup(int);
  37 static void     t_endup(int);
  38 static void     showwear(void);
  39 static void     showwield(void);
  40 static void     showread(void);
  41 static void     showeat(void);
  42 static void     showquaff(void);
  43 static void     show1(int, const char **);
  44 static void     randmonst(void);
  45 static void     parse(void);
  46 static void     run(int);
  47 static void     wield(void);
  48 static void     ydhi(int);
  49 static void     ycwi(int);
  50 static void     wear(void);
  51 static void     dropobj(void);
  52 static void     readscr(void);
  53 static void     eatcookie(void);
  54 static void     quaff(void);
  55 static int      whatitem(const char *);
  56 #ifdef HIDEBYLINK
  57 static void     szero(char *);
  58 #endif
  59
  60 /*
  61         ************
  62         MAIN PROGRAM
  63         ************
  64  */
  65 int
  66 main(int argc, char **argv)
  67         {
  68         int i;
  69         int hard;
  70         const char *ptr;
  71 #ifdef VT100
  72         char *ttype;
  73         int j;
  74 #endif
  75         struct passwd *pwe;
  76         struct stat sb;
  77
  78 /*
  79  *      first task is to identify the player
  80  */
  81 #ifndef VT100
  82         init_term();    /* setup the terminal (find out what type) for termcap */
  83 #endif /* VT100 */
  84         if (((ptr = getlogin()) == 0) || (*ptr==0)) {   /* try to get login name */
  85           if ((pwe=getpwuid(getuid()))) /* can we get it from /etc/passwd? */
  86                 ptr = pwe->pw_name;
  87           else
  88           if ((ptr = getenv("USER")) == 0)
  89                 if ((ptr = getenv("LOGNAME")) == 0)
  90                   {
  91                   noone: write(2, "Can't find your logname.  Who Are You?\n",39);
  92                                  exit(1);
  93                   }
  94         }
  95         if (ptr==0) goto noone;
  96         if (strlen(ptr)==0) goto noone;
  97 /*
  98  *      second task is to prepare the pathnames the player will need
  99  */
 100         strcpy(loginname,ptr); /* save loginname of the user for logging purposes */
 101         strcpy(logname,ptr);    /* this will be overwritten with the players name */
 102         if ((ptr = getenv("HOME")) == 0) ptr = ".";
 103         strcpy(savefilename, ptr);
 104         strcat(savefilename, "/Larn.sav");      /* save file name in home directory */
 105         sprintf(optsfile, "%s/.larnopts",ptr);  /* the .larnopts filename */
 106
 107 /*
 108  *      now malloc the memory for the dungeon
 109  */
 110         cell = (struct cel *)malloc(sizeof(struct cel)*(MAXLEVEL+MAXVLEVEL)*MAXX*MAXY);
 111         if (cell == 0) died(-285);      /* malloc failure */
 112         lpbuf    = malloc((5* BUFBIG)>>2);      /* output buffer */
 113         inbuffer = malloc((5*MAXIBUF)>>2);      /* output buffer */
 114         if ((lpbuf==0) || (inbuffer==0)) died(-285); /* malloc() failure */
 115
 116         lcreat((char*)0);       newgame();              /*      set the initial clock  */ hard= -1;
 117
 118 #ifdef VT100
 119 /*
 120  *      check terminal type to avoid users who have not vt100 type terminals
 121  */
 122         ttype = getenv("TERM");
 123         for (j=1, i=0; i<sizeof(termtypes)/sizeof(char *); i++)
 124                 if (strcmp(ttype,termtypes[i]) == 0) { j=0;  break; }
 125         if (j)
 126                 {
 127                 lprcat("Sorry, Larn needs a VT100 family terminal for all it's features.\n"); lflush();
 128                 exit(1);
 129                 }
 130 #endif /* VT100 */
 131
 132 /*
 133  *      now make scoreboard if it is not there (don't clear)
 134  */
 135         if (stat(scorefile,&sb) < 0 || sb.st_size == 0) /* not there */
 136                 makeboard();
 137
 138 /*
 139  *      now process the command line arguments
 140  */
 141         for (i=1; i<argc; i++)
 142                 {
 143                 if (argv[i][0] == '-')
 144                   switch(argv[i][1])
 145                         {
 146                         case 's': showscores();  exit(0);  /* show scoreboard   */
 147
 148                         case 'l': /* show log file     */
 149                                                 diedlog();              exit(0);
 150
 151                         case 'i': showallscores();  exit(0);  /* show all scoreboard */
 152
 153                         case 'c':                /* anyone with password can create scoreboard */
 154                                           lprcat("Preparing to initialize the scoreboard.\n");
 155                                           if (getpassword() != 0)  /*make new scoreboard*/
 156                                                         {
 157                                                         makeboard(); lprc('\n'); showscores();
 158                                                         }
 159                                           exit(0);
 160
 161                         case 'n':       /* no welcome msg       */ nowelcome=1; argv[i][0]=0; break;
 162
 163                         case '0': case '1': case '2': case '3': case '4': case '5':
 164                         case '6': case '7': case '8': case '9': /* for hardness */
 165                                                 sscanf(&argv[i][1],"%d",&hard);
 166                                                 break;
 167
 168                         case 'h':       /* print out command line arguments */
 169                                                 write(1,cmdhelp,sizeof(cmdhelp));  exit(0);
 170
 171                         case 'o':       /* specify a .larnopts filename */
 172                                                 strncpy(optsfile,argv[i]+2,127);  break;
 173
 174                         default:        printf("Unknown option <%s>\n",argv[i]);  exit(1);
 175                         };
 176
 177                 if (argv[i][0] == '+')
 178                         {
 179                         clear();        restorflag = 1;
 180                         if (argv[i][1] == '+')
 181                                 {
 182                                 hitflag=1; restoregame(ckpfile); /* restore checkpointed game */
 183                                 }
 184                         i = argc;
 185                         }
 186                 }
 187
 188         readopts();             /* read the options file if there is one */
 189
 190
 191 #ifdef UIDSCORE
 192         userid = geteuid();     /* obtain the user's effective id number */
 193 #else /* UIDSCORE */
 194         userid = getplid(logname);      /* obtain the players id number */
 195 #endif /* UIDSCORE */
 196         if (userid < 0) { write(2,"Can't obtain playerid\n",22); exit(1); }
 197
 198 #ifdef HIDEBYLINK
 199 /*
 200  *      this section of code causes the program to look like something else to ps
 201  */
 202         if (strcmp(psname,argv[0])) /* if a different process name only */
 203                 {
 204                 if ((i=access(psname,1)) < 0)
 205                         {               /* link not there */
 206                         if (link(argv[0],psname)>=0)
 207                                 {
 208                                 argv[0] = psname;   execv(psname,argv);
 209                                 }
 210                         }
 211                 else
 212                         unlink(psname);
 213                 }
 214
 215         for (i=1; i<argc; i++)
 216                 {
 217                 szero(argv[i]); /* zero the argument to avoid ps snooping */
 218                 }
 219 #endif /* HIDEBYLINK */
 220
 221         if (access(savefilename,0)==0)  /* restore game if need to */
 222                 {
 223                 clear();        restorflag = 1;
 224                 hitflag=1;      restoregame(savefilename);  /* restore last game        */
 225                 }
 226         sigsetup();             /* trap all needed signals      */
 227         sethard(hard);  /* set up the desired difficulty                                */
 228         setupvt100();   /*      setup the terminal special mode                         */
 229         if (c[HP]==0)   /* create new game */
 230                 {
 231                 makeplayer();   /*      make the character that will play                       */
 232                 newcavelevel(0);/*      make the dungeon                                                        */
 233                 predostuff = 1; /* tell signals that we are in the welcome screen */
 234                 if (nowelcome==0) welcome();     /* welcome the player to the game */
 235                 }
 236         drawscreen();   /*      show the initial dungeon                                        */
 237         predostuff = 2; /* tell the trap functions that they must do a showplayer()
 238                                                 from here on */
 239         /* nice(1); */  /* games should be run niced */
 240         yrepcount = hit2flag = 0;
 241         while (1)
 242                 {
 243                 if (dropflag==0) lookforobject(); /* see if there is an object here     */
 244                         else dropflag=0; /* don't show it just dropped an item */
 245                 if (hitflag==0) { if (c[HASTEMONST]) movemonst(); movemonst(); }        /*      move the monsters               */
 246                 if (viewflag==0) showcell(playerx,playery); else viewflag=0;    /*      show stuff around player        */
 247                 if (hit3flag) flushall();
 248                 hitflag=hit3flag=0;     nomove=1;
 249                 bot_linex();    /* update bottom line */
 250                 while (nomove)
 251                         {
 252                         if (hit3flag) flushall();
 253                         nomove=0; parse();
 254                         }       /*      get commands and make moves     */
 255                 regen();                        /*      regenerate hp and spells                        */
 256                 if (c[TIMESTOP]==0)
 257                         if (--rmst <= 0)
 258                                 { rmst = 120-(level<<2); fillmonst(makemonst(level)); }
 259                 }
 260         }
 261 \f
 262 /*
 263         showstr()
 264
 265         show character's inventory
 266  */
 267 static void
 268 showstr(void)
 269         {
 270         int i,number;
 271         for (number=3, i=0; i<26; i++)
 272                 if (iven[i]) number++;  /* count items in inventory */
 273         t_setup(number);        qshowstr();       t_endup(number);
 274         }
 275
 276 void
 277 qshowstr(void)
 278         {
 279         int i,j,k,sigsav;
 280         srcount=0;  sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 281         if (c[GOLD]) { lprintf(".)   %d gold pieces",(long)c[GOLD]); srcount++; }
 282         for (k=26; k>=0; k--)
 283           if (iven[k])
 284                 {  for (i=22; i<84; i++)
 285                          for (j=0; j<=k; j++)  if (i==iven[j])  show3(j); k=0; }
 286
 287         lprintf("\nElapsed time is %d.  You have %d mobuls left",(long)((gtime+99)/100+1),(long)((TIMELIMIT-gtime)/100));
 288         more();         nosignal=sigsav;
 289         }
 290
 291 /*
 292  *      subroutine to clear screen depending on # lines to display
 293  */
 294 static void
 295 t_setup(int count)
 296         {
 297         if (count<20)  /* how do we clear the screen? */
 298                 {
 299                 cl_up(79,count);  cursor(1,1);
 300                 }
 301         else
 302                 {
 303                 resetscroll(); clear();
 304                 }
 305         }
 306
 307 /*
 308  *      subroutine to restore normal display screen depending on t_setup()
 309  */
 310 static void
 311 t_endup(int count)
 312         {
 313         if (count<18)  /* how did we clear the screen? */
 314                 draws(0,MAXX,0,(count>MAXY) ? MAXY : count);
 315         else
 316                 {
 317                 drawscreen(); setscroll();
 318                 }
 319         }
 320
 321 /*
 322         function to show the things player is wearing only
 323  */
 324 static void
 325 showwear(void)
 326         {
 327         int i,j,sigsav,count;
 328         sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 329         srcount=0;
 330
 331          for (count=2,j=0; j<=26; j++)   /* count number of items we will display */
 332            if ((i=iven[j]))
 333                 switch(i)
 334                         {
 335                         case OLEATHER:  case OPLATE:    case OCHAIN:
 336                         case ORING:             case OSTUDLEATHER:      case OSPLINT:
 337                         case OPLATEARMOR:       case OSSPLATE:  case OSHIELD:
 338                         count++;
 339                         };
 340
 341         t_setup(count);
 342
 343         for (i=22; i<84; i++)
 344                  for (j=0; j<=26; j++)
 345                    if (i==iven[j])
 346                         switch(i)
 347                                 {
 348                                 case OLEATHER:  case OPLATE:    case OCHAIN:
 349                                 case ORING:             case OSTUDLEATHER:      case OSPLINT:
 350                                 case OPLATEARMOR:       case OSSPLATE:  case OSHIELD:
 351                                 show3(j);
 352                                 };
 353         more();         nosignal=sigsav;        t_endup(count);
 354         }
 355
 356 /*
 357         function to show the things player can wield only
 358  */
 359 static void
 360 showwield(void)
 361         {
 362         int i,j,sigsav,count;
 363         sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 364         srcount=0;
 365
 366          for (count=2,j=0; j<=26; j++)  /* count how many items */
 367            if ((i=iven[j]))
 368                 switch(i)
 369                         {
 370                         case ODIAMOND:  case ORUBY:  case OEMERALD:  case OSAPPHIRE:
 371                         case OBOOK:     case OCHEST:  case OLARNEYE: case ONOTHEFT:
 372                         case OSPIRITSCARAB:  case OCUBEofUNDEAD:
 373                         case OPOTION:   case OSCROLL:  break;
 374                         default:  count++;
 375                         };
 376
 377         t_setup(count);
 378
 379         for (i=22; i<84; i++)
 380                  for (j=0; j<=26; j++)
 381                    if (i==iven[j])
 382                         switch(i)
 383                                 {
 384                                 case ODIAMOND:  case ORUBY:  case OEMERALD:  case OSAPPHIRE:
 385                                 case OBOOK:     case OCHEST:  case OLARNEYE: case ONOTHEFT:
 386                                 case OSPIRITSCARAB:  case OCUBEofUNDEAD:
 387                                 case OPOTION:   case OSCROLL:  break;
 388                                 default:  show3(j);
 389                                 };
 390         more();         nosignal=sigsav;        t_endup(count);
 391         }
 392
 393 /*
 394  *      function to show the things player can read only
 395  */
 396 static void
 397 showread(void)
 398         {
 399         int i,j,sigsav,count;
 400         sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 401         srcount=0;
 402
 403         for (count=2,j=0; j<=26; j++)
 404                 switch(iven[j])
 405                         {
 406                         case OBOOK:     case OSCROLL:   count++;
 407                         };
 408         t_setup(count);
 409
 410         for (i=22; i<84; i++)
 411                  for (j=0; j<=26; j++)
 412                    if (i==iven[j])
 413                         switch(i)
 414                                 {
 415                                 case OBOOK:     case OSCROLL:   show3(j);
 416                                 };
 417         more();         nosignal=sigsav;        t_endup(count);
 418         }
 419
 420 /*
 421  *      function to show the things player can eat only
 422  */
 423 static void
 424 showeat(void)
 425         {
 426         int i,j,sigsav,count;
 427         sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 428         srcount=0;
 429
 430         for (count=2,j=0; j<=26; j++)
 431                 switch(iven[j])
 432                         {
 433                         case OCOOKIE:   count++;
 434                         };
 435         t_setup(count);
 436
 437         for (i=22; i<84; i++)
 438                  for (j=0; j<=26; j++)
 439                    if (i==iven[j])
 440                         switch(i)
 441                                 {
 442                                 case OCOOKIE:   show3(j);
 443                                 };
 444         more();         nosignal=sigsav;        t_endup(count);
 445         }
 446
 447 /*
 448         function to show the things player can quaff only
 449  */
 450 static void
 451 showquaff(void)
 452         {
 453         int i,j,sigsav,count;
 454         sigsav=nosignal;  nosignal=1; /* don't allow ^c etc */
 455         srcount=0;
 456
 457         for (count=2,j=0; j<=26; j++)
 458                 switch(iven[j])
 459                         {
 460                         case OPOTION:   count++;
 461                         };
 462         t_setup(count);
 463
 464         for (i=22; i<84; i++)
 465                  for (j=0; j<=26; j++)
 466                    if (i==iven[j])
 467                         switch(i)
 468                                 {
 469                                 case OPOTION:   show3(j);
 470                                 };
 471         more();         nosignal=sigsav;                t_endup(count);
 472         }
 473
 474 static void
 475 show1(int idx, const char *str2[])
 476         {
 477         lprintf("\n%c)   %s",idx+'a',objectname[(int)iven[idx]]);
 478         if(str2 != NULL && str2[ivenarg[idx]][0] != 0)
 479                 lprintf(" of%s", str2[ivenarg[idx]]);
 480         }
 481
 482 void
 483 show3(int idx)
 484         {
 485         switch(iven[idx])
 486                 {
 487                 case OPOTION:   show1(idx,potionname);  break;
 488                 case OSCROLL:   show1(idx,scrollname);  break;
 489
 490                 case OLARNEYE:          case OBOOK:                     case OSPIRITSCARAB:
 491                 case ODIAMOND:          case ORUBY:                     case OCUBEofUNDEAD:
 492                 case OEMERALD:          case OCHEST:            case OCOOKIE:
 493                 case OSAPPHIRE:         case ONOTHEFT:          show1(idx,NULL);  break;
 494
 495                 default:                lprintf("\n%c)   %s",idx+'a',objectname[(int)iven[idx]]);
 496                                                 if (ivenarg[idx]>0) lprintf(" + %d",(long)ivenarg[idx]);
 497                                                 else if (ivenarg[idx]<0) lprintf(" %d",(long)ivenarg[idx]);
 498                                                 break;
 499                 }
 500         if (c[WIELD]==idx) lprcat(" (weapon in hand)");
 501         if ((c[WEAR]==idx) || (c[SHIELD]==idx))  lprcat(" (being worn)");
 502         if (++srcount>=22) { srcount=0; more(); clear(); }
 503         }
 504
 505 /*
 506         subroutine to randomly create monsters if needed
 507  */
 508 static void
 509 randmonst(void)
 510         {
 511         if (c[TIMESTOP]) return;        /*      don't make monsters if time is stopped  */
 512         if (--rmst <= 0)
 513                 {
 514                 rmst = 120 - (level<<2);  fillmonst(makemonst(level));
 515                 }
 516         }
 517
 518 \f
 519 /*
 520         parse()
 521
 522         get and execute a command
 523  */
 524 static void
 525 parse(void)
 526         {
 527         int i,j,k,flag;
 528         while   (1)
 529                 {
 530                 k = yylex();
 531                 switch(k)       /*      get the token from the input and switch on it   */
 532                         {
 533                         case 'h':       moveplayer(4);  return;         /*      west            */
 534                         case 'H':       run(4);                 return;         /*      west            */
 535                         case 'l':       moveplayer(2);  return;         /*      east            */
 536                         case 'L':       run(2);                 return;         /*      east            */
 537                         case 'j':       moveplayer(1);  return;         /*      south           */
 538                         case 'J':       run(1);                 return;         /*      south           */
 539                         case 'k':       moveplayer(3);  return;         /*      north           */
 540                         case 'K':       run(3);                 return;         /*      north           */
 541                         case 'u':       moveplayer(5);  return;         /*      northeast       */
 542                         case 'U':       run(5);                 return;         /*      northeast       */
 543                         case 'y':       moveplayer(6);  return;         /*      northwest       */
 544                         case 'Y':       run(6);                 return;         /*      northwest       */
 545                         case 'n':       moveplayer(7);  return;         /*      southeast       */
 546                         case 'N':       run(7);                 return;         /*      southeast       */
 547                         case 'b':       moveplayer(8);  return;         /*      southwest       */
 548                         case 'B':       run(8);                 return;         /*      southwest       */
 549
 550                         case '.':       if (yrepcount) viewflag=1; return;              /*      stay here               */
 551
 552                         case 'w':       yrepcount=0;    wield();        return;         /*      wield a weapon */
 553
 554                         case 'W':       yrepcount=0;    wear();         return; /*      wear armor      */
 555
 556                         case 'r':       yrepcount=0;
 557                                                 if (c[BLINDCOUNT]) { cursors(); lprcat("\nYou can't read anything when you're blind!"); } else
 558                                                 if (c[TIMESTOP]==0) readscr(); return;          /*      to read a scroll        */
 559
 560                         case 'q':       yrepcount=0;    if (c[TIMESTOP]==0) quaff();    return; /*      quaff a potion          */
 561
 562                         case 'd':       yrepcount=0;    if (c[TIMESTOP]==0) dropobj(); return;  /*      to drop an object       */
 563
 564                         case 'c':       yrepcount=0;    cast();         return;         /*      cast a spell    */
 565
 566                         case 'i':       yrepcount=0;    nomove=1;  showstr();   return;         /*      status          */
 567
 568                         case 'e':       yrepcount=0;
 569                                                 if (c[TIMESTOP]==0) eatcookie(); return;        /*      to eat a fortune cookie */
 570
 571                         case 'D':       yrepcount=0;    seemagic(0);    nomove=1; return;       /*      list spells and scrolls */
 572
 573                         case '?':       yrepcount=0;    help(); nomove=1; return;       /*      give the help screen*/
 574
 575                         case 'S':       clear();  lprcat("Saving . . ."); lflush();
 576                                                 savegame(savefilename); wizard=1; died(-257);   /*      save the game - doesn't return  */
 577
 578                         case 'Z':       yrepcount=0;    if (c[LEVEL]>9) { oteleport(1); return; }
 579                                                 cursors(); lprcat("\nAs yet, you don't have enough experience to use teleportation");
 580                                                 return; /*      teleport yourself       */
 581
 582                         case '^':       /* identify traps */  flag=yrepcount=0;  cursors();
 583                                                 lprc('\n');  for (j=playery-1; j<playery+2; j++)
 584                                                         {
 585                                                         if (j < 0) j=0;         if (j >= MAXY) break;
 586                                                         for (i=playerx-1; i<playerx+2; i++)
 587                                                                 {
 588                                                                 if (i < 0) i=0; if (i >= MAXX) break;
 589                                                                 switch(item[i][j])
 590                                                                         {
 591                                                                         case OTRAPDOOR:         case ODARTRAP:
 592                                                                         case OTRAPARROW:        case OTELEPORTER:
 593                                                                                 lprcat("\nIts "); lprcat(objectname[(int)item[i][j]]);  flag++;
 594                                                                         };
 595                                                                 }
 596                                                         }
 597                                                 if (flag==0) lprcat("\nNo traps are visible");
 598                                                 return;
 599
 600 #if WIZID
 601                         case '_':       /*      this is the fudge player password for wizard mode*/
 602                                                 yrepcount=0;    cursors(); nomove=1;
 603                                                 if (userid!=wisid)
 604                                                         {
 605                                                         lprcat("Sorry, you are not empowered to be a wizard.\n");
 606                                                         scbr(); /* system("stty -echo cbreak"); */
 607                                                         lflush();  return;
 608                                                         }
 609                                                 if (getpassword()==0)
 610                                                         {
 611                                                         scbr(); /* system("stty -echo cbreak"); */ return;
 612                                                         }
 613                                                 wizard=1;  scbr(); /* system("stty -echo cbreak"); */
 614                                                 for (i=0; i<6; i++)  c[i]=70;  iven[0]=iven[1]=0;
 615                                                 take(OPROTRING,50);   take(OLANCE,25);  c[WIELD]=1;
 616                                                 c[LANCEDEATH]=1;   c[WEAR] = c[SHIELD] = -1;
 617                                                 raiseexperience(6000000L);  c[AWARENESS] += 25000;
 618                                                 {
 619                                                 int i,j;
 620                                                 for (i=0; i<MAXY; i++)
 621                                                         for (j=0; j<MAXX; j++)  know[j][i]=1;
 622                                                 for (i=0; i<SPNUM; i++) spelknow[i]=1;
 623                                                 for (i=0; i<MAXSCROLL; i++)  scrollname[i] = scrollhide[i];
 624                                                 for (i=0; i<MAXPOTION; i++)  potionname[i] = potionhide[i];
 625                                                 }
 626                                                 for (i=0; i<MAXSCROLL; i++)
 627                                                   if (strlen(scrollname[i])>2) /* no null items */
 628                                                         { item[i][0]=OSCROLL; iarg[i][0]=i; }
 629                                                 for (i=MAXX-1; i>MAXX-1-MAXPOTION; i--)
 630                                                   if (strlen(potionname[i-MAXX+MAXPOTION])>2) /* no null items */
 631                                                         { item[i][0]=OPOTION; iarg[i][0]=i-MAXX+MAXPOTION; }
 632                                                 for (i=1; i<MAXY; i++)
 633                                                         { item[0][i]=i; iarg[0][i]=0; }
 634                                                 for (i=MAXY; i<MAXY+MAXX; i++)
 635                                                         { item[i-MAXY][MAXY-1]=i; iarg[i-MAXY][MAXY-1]=0; }
 636                                                 for (i=MAXX+MAXY; i<MAXX+MAXY+MAXY; i++)
 637                                                         { item[MAXX-1][i-MAXX-MAXY]=i; iarg[MAXX-1][i-MAXX-MAXY]=0; }
 638                                                 c[GOLD]+=25000; drawscreen();   return;
 639 #endif
 640
 641                         case 'T':       yrepcount=0;    cursors();  if (c[SHIELD] != -1) { c[SHIELD] = -1; lprcat("\nYour shield is off"); bottomline(); } else
 642                                                                                 if (c[WEAR] != -1) { c[WEAR] = -1; lprcat("\nYour armor is off"); bottomline(); }
 643                                                 else lprcat("\nYou aren't wearing anything");
 644                                                 return;
 645
 646                         case 'g':       cursors();
 647                                                 lprintf("\nThe stuff you are carrying presently weighs %d pounds",(long)packweight());
 648                         case ' ':       yrepcount=0;    nomove=1;  return;
 649
 650                         case 'v':       yrepcount=0;    cursors();
 651                                                 lprintf("\nCaverns of Larn, Version %d.%d, Diff=%d",(long)VERSION,(long)SUBVERSION,(long)c[HARDGAME]);
 652                                                 if (wizard) lprcat(" Wizard"); nomove=1;
 653                                                 if (cheat) lprcat(" Cheater");
 654                                                 lprcat(copyright);
 655                                                 return;
 656
 657                         case 'Q':       yrepcount=0;    quit(); nomove=1;       return; /*      quit            */
 658
 659                         case 'L'-64:  yrepcount=0;      drawscreen();  nomove=1; return;        /*      look            */
 660
 661 #if WIZID
 662 #ifdef EXTRA
 663                         case 'A':       yrepcount=0;    nomove=1; if (wizard) { diag(); return; }  /*   create diagnostic file */
 664                                                 return;
 665 #endif
 666 #endif
 667                         case 'P':       cursors();
 668                                                 if (outstanding_taxes>0)
 669                                                         lprintf("\nYou presently owe %d gp in taxes.",(long)outstanding_taxes);
 670                                                 else
 671                                                         lprcat("\nYou do not owe any taxes.");
 672                                                 return;
 673                         };
 674                 }
 675         }
 676
 677 void
 678 parse2(void)
 679         {
 680         if (c[HASTEMONST]) movemonst(); movemonst(); /* move the monsters               */
 681         randmonst();    regen();
 682         }
 683
 684 static void
 685 run(int dir)
 686         {
 687         int i;
 688         i=1; while (i)
 689                 {
 690                 i=moveplayer(dir);
 691                 if (i>0) {  if (c[HASTEMONST]) movemonst();  movemonst(); randmonst(); regen(); }
 692                 if (hitflag) i=0;
 693                 if (i!=0)  showcell(playerx,playery);
 694                 }
 695         }
 696
 697 /*
 698         function to wield a weapon
 699  */
 700 static void
 701 wield(void)
 702         {
 703         int i;
 704         while (1)
 705                 {
 706                 if ((i = whatitem("wield"))=='\33')  return;
 707                 if (i != '.')
 708                         {
 709                         if (i=='*') showwield();
 710                         else  if (iven[i-'a']==0) { ydhi(i); return; }
 711                         else if (iven[i-'a']==OPOTION) { ycwi(i); return; }
 712                         else if (iven[i-'a']==OSCROLL) { ycwi(i); return; }
 713                         else  if ((c[SHIELD]!= -1) && (iven[i-'a']==O2SWORD)) { lprcat("\nBut one arm is busy with your shield!"); return; }
 714                         else  { c[WIELD]=i-'a'; if (iven[i-'a'] == OLANCE) c[LANCEDEATH]=1; else c[LANCEDEATH]=0;  bottomline(); return; }
 715                         }
 716                 }
 717         }
 718
 719 /*
 720         common routine to say you don't have an item
 721  */
 722 static void
 723 ydhi(int x)
 724         { cursors();  lprintf("\nYou don't have item %c!",x); }
 725
 726 static void
 727 ycwi(int x)
 728         { cursors();  lprintf("\nYou can't wield item %c!",x); }
 729
 730 /*
 731         function to wear armor
 732  */
 733 static void
 734 wear(void)
 735         {
 736         int i;
 737         while (1)
 738                 {
 739                 if ((i = whatitem("wear"))=='\33')  return;
 740                 if (i != '.')
 741                         {
 742                         if (i=='*') showwear(); else
 743                         switch(iven[i-'a'])
 744                                 {
 745                                 case 0:  ydhi(i); return;
 746                                 case OLEATHER:  case OCHAIN:  case OPLATE:      case OSTUDLEATHER:
 747                                 case ORING:             case OSPLINT:   case OPLATEARMOR:       case OSSPLATE:
 748                                                 if (c[WEAR] != -1) { lprcat("\nYou're already wearing some armor"); return; }
 749                                                         c[WEAR]=i-'a';  bottomline(); return;
 750                                 case OSHIELD:   if (c[SHIELD] != -1) { lprcat("\nYou are already wearing a shield"); return; }
 751                                                                 if (iven[c[WIELD]]==O2SWORD) { lprcat("\nYour hands are busy with the two handed sword!"); return; }
 752                                                                 c[SHIELD] = i-'a';  bottomline(); return;
 753                                 default:        lprcat("\nYou can't wear that!");
 754                                 };
 755                         }
 756                 }
 757         }
 758
 759 /*
 760         function to drop an object
 761  */
 762 static void
 763 dropobj(void)
 764         {
 765         int i;
 766         char *p;
 767         long amt;
 768         p = &item[playerx][playery];
 769         while (1)
 770                 {
 771                 if ((i = whatitem("drop"))=='\33')  return;
 772                 if (i=='*') showstr(); else
 773                         {
 774                         if (i=='.')     /* drop some gold */
 775                                 {
 776                                 if (*p) { lprcat("\nThere's something here already!"); return; }
 777                                 lprcat("\n\n");
 778                                 cl_dn(1,23);
 779                                 lprcat("How much gold do you drop? ");
 780                                 if ((amt=readnum((long)c[GOLD])) == 0) return;
 781                                 if (amt>c[GOLD])
 782                                         { lprcat("\nYou don't have that much!"); return; }
 783                                 if (amt<=32767)
 784                                         { *p=OGOLDPILE; i=amt; }
 785                                 else if (amt<=327670L)
 786                                         { *p=ODGOLD; i=amt/10; amt = 10*i; }
 787                                 else if (amt<=3276700L)
 788                                         { *p=OMAXGOLD; i=amt/100; amt = 100*i; }
 789                                 else if (amt<=32767000L)
 790                                         { *p=OKGOLD; i=amt/1000; amt = 1000*i; }
 791                                 else
 792                                         { *p=OKGOLD; i=32767; amt = 32767000L; }
 793                                 c[GOLD] -= amt;
 794                                 lprintf("You drop %d gold pieces",(long)amt);
 795                                 iarg[playerx][playery]=i; bottomgold();
 796                                 know[playerx][playery]=0; dropflag=1;  return;
 797                                 }
 798                         drop_object(i-'a');
 799                         return;
 800                         }
 801                 }
 802         }
 803
 804 /*
 805  *      readscr()               Subroutine to read a scroll one is carrying
 806  */
 807 static void
 808 readscr(void)
 809         {
 810         int i;
 811         while (1)
 812                 {
 813                 if ((i = whatitem("read"))=='\33')  return;
 814                 if (i != '.')
 815                         {
 816                         if (i=='*') showread(); else
 817                                 {
 818                                 if (iven[i-'a']==OSCROLL) { read_scroll(ivenarg[i-'a']); iven[i-'a']=0; return; }
 819                                 if (iven[i-'a']==OBOOK)   { readbook(ivenarg[i-'a']);  iven[i-'a']=0; return; }
 820                                 if (iven[i-'a']==0) { ydhi(i); return; }
 821                                 lprcat("\nThere's nothing on it to read");  return;
 822                                 }
 823                         }
 824                 }
 825         }
 826
 827 /*
 828  *      subroutine to eat a cookie one is carrying
 829  */
 830 static void
 831 eatcookie(void)
 832 {
 833 int i;
 834 const char *p;
 835 while (1)
 836         {
 837         if ((i = whatitem("eat"))=='\33')  return;
 838         if (i != '.') {
 839                 if (i=='*') showeat(); else
 840                         {
 841                         if (iven[i-'a']==OCOOKIE)
 842                                 {
 843                                 lprcat("\nThe cookie was delicious.");
 844                                 iven[i-'a']=0;
 845                                 if (!c[BLINDCOUNT])
 846                                         {
 847                                         if ((p=fortune()))
 848                                                 {
 849                                                 lprcat("  Inside you find a scrap of paper that says:\n");
 850                                                 lprcat(p);
 851                                                 }
 852                                         }
 853                                 return;
 854                                 }
 855                         if (iven[i-'a']==0) { ydhi(i); return; }
 856                         lprcat("\nYou can't eat that!");  return;
 857                         }
 858                  }
 859         }
 860 }
 861
 862 /*
 863  *      subroutine to quaff a potion one is carrying
 864  */
 865 static void
 866 quaff(void)
 867         {
 868         int i;
 869         while (1)
 870                 {
 871                 if ((i = whatitem("quaff"))=='\33')  return;
 872                 if (i != '.')
 873                         {
 874                         if (i=='*') showquaff(); else
 875                                 {
 876                                 if (iven[i-'a']==OPOTION) { quaffpotion(ivenarg[i-'a']); iven[i-'a']=0; return; }
 877                                 if (iven[i-'a']==0) { ydhi(i); return; }
 878                                 lprcat("\nYou wouldn't want to quaff that, would you? ");  return;
 879                                 }
 880                         }
 881                 }
 882         }
 883
 884 /*
 885         function to ask what player wants to do
 886  */
 887 static int
 888 whatitem(const char *str)
 889         {
 890         int i;
 891         cursors();  lprintf("\nWhat do you want to %s [* for all] ? ",str);
 892         i=0; while (i>'z' || (i<'a' && i!='*' && i!='\33' && i!='.')) i=getchr();
 893         if (i=='\33')  lprcat(" aborted");
 894         return(i);
 895         }
 896
 897 /*
 898         subroutine to get a number from the player
 899         and allow * to mean return amt, else return the number entered
 900  */
 901 unsigned long
 902 readnum(long mx)
 903         {
 904         int i;
 905         unsigned long amt=0;
 906         sncbr();
 907         if ((i=getchr()) == '*')  amt = mx;   /* allow him to say * for all gold */
 908         else
 909                 while (i != '\n')
 910                         {
 911                         if (i=='\033') { scbr(); lprcat(" aborted"); return(0); }
 912                         if ((i <= '9') && (i >= '0') && (amt<99999999))
 913                                 amt = amt*10+i-'0';
 914                         i = getchr();
 915                         }
 916         scbr();  return(amt);
 917         }
 918
 919 #ifdef HIDEBYLINK
 920 /*
 921  *      routine to zero every byte in a string
 922  */
 923 static void
 924 szero(char *str)
 925         {
 926         while (*str)
 927                 *str++ = 0;
 928         }
 929 #endif /* HIDEBYLINK */