phantasia/setup.c

   1 /*      $NetBSD: setup.c,v 1.7 1997/10/13 02:18:37 lukem Exp $  */
   2
   3 /*
   4  * setup.c - set up all files for Phantasia
   5  */
   6 #include <sys/param.h>
   7 #include <sys/stat.h>
   8 #include "include.h"
   9 /*\f*/
  10 /************************************************************************
  11 /
  12 / FUNCTION NAME: main()
  13 /
  14 / FUNCTION: setup files for Phantasia 3.3.2
  15 /
  16 / AUTHOR: E. A. Estes, 12/4/85
  17 /
  18 / ARGUMENTS: none
  19 /
  20 / RETURN VALUE: none
  21 /
  22 / MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(),
  23 /       fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(),
  24 /       unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf()
  25 /
  26 / GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid
  27 /
  28 / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid
  29 /
  30 / DESCRIPTION:
  31 /
  32 /       This program tries to verify the parameters specified in
  33 /       the Makefile.
  34 /
  35 /       Create all necessary files.  Note that nothing needs to be
  36 /       put in these files.
  37 /       Also, the monster binary data base is created here.
  38 /
  39 /************************************************************************/
  40
  41 static char *files[] = {                /* all files to create */
  42         _PATH_MONST,
  43         _PATH_PEOPLE,
  44         _PATH_MESS,
  45         _PATH_LASTDEAD,
  46         _PATH_MOTD,
  47         _PATH_GOLD,
  48         _PATH_VOID,
  49         _PATH_SCORE,
  50         NULL,
  51 };
  52
  53 char *monsterfile="monsters.asc";
  54
  55 int
  56 main(argc, argv)
  57         int argc;
  58         char *argv[];
  59 {
  60         register char   **filename;     /* for pointing to file names */
  61         register int    fd;             /* file descriptor */
  62         FILE    *fp;                    /* for opening files */
  63         struct stat     fbuf;           /* for getting files statistics */
  64         int ch;
  65         char path[MAXPATHLEN], *prefix;
  66
  67         while ((ch = getopt(argc, argv, "m:")) != -1)
  68                 switch(ch) {
  69                 case 'm':
  70                         monsterfile = optarg;
  71                         break;
  72                 case '?':
  73                 default:
  74                         break;
  75                 }
  76         argc -= optind;
  77         argv += optind;
  78
  79     srandom((unsigned) time(NULL));     /* prime random numbers */
  80
  81     umask(0117);                /* only owner can read/write created files */
  82
  83     prefix = getenv("DESTDIR");
  84
  85     /* try to create data files */
  86     filename = &files[0];
  87     while (*filename != NULL)
  88         /* create each file */
  89         {
  90         snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", *filename);
  91         if (stat(path, &fbuf) == 0)
  92             /* file exists; remove it */
  93             {
  94             if (!strcmp(*filename, _PATH_PEOPLE))
  95                 /* do not reset character file if it already exists */
  96                 {
  97                 ++filename;
  98                 continue;
  99                 }
 100
 101             if (unlink(path) < 0)
 102                 Error("Cannot unlink %s.\n", path);
 103                 /*NOTREACHED*/
 104             }
 105
 106         if ((fd = creat(path, 0660)) < 0)
 107             Error("Cannot create %s.\n", path);
 108             /*NOTREACHED*/
 109
 110         close(fd);                      /* close newly created file */
 111
 112         ++filename;                     /* process next file */
 113         }
 114
 115     /* put holy grail info into energy void file */
 116     Enrgyvoid.ev_active = TRUE;
 117     Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
 118     Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
 119     snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_VOID);
 120     if ((fp = fopen(path, "w")) == NULL)
 121         Error("Cannot update %s.\n", path);
 122     else
 123         {
 124         fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp);
 125         fclose(fp);
 126         }
 127
 128     /* create binary monster data base */
 129     snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_MONST);
 130     if ((Monstfp = fopen(path, "w")) == NULL)
 131         Error("Cannot update %s.\n", path);
 132     else
 133         {
 134         if ((fp = fopen(monsterfile, "r")) == NULL)
 135             {
 136             fclose(Monstfp);
 137             Error("cannot open %s to create monster database.\n", "monsters.asc");
 138             }
 139         else
 140             {
 141             Curmonster.m_o_strength =
 142             Curmonster.m_o_speed =
 143             Curmonster.m_maxspeed =
 144             Curmonster.m_o_energy =
 145             Curmonster.m_melee =
 146             Curmonster.m_skirmish = 0.0;
 147
 148             while (fgets(Databuf, SZ_DATABUF, fp) != NULL)
 149                 /* read in text file, convert to binary */
 150                 {
 151                 sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
 152                     &Curmonster.m_strength, &Curmonster.m_brains,
 153                     &Curmonster.m_speed, &Curmonster.m_energy,
 154                     &Curmonster.m_experience, &Curmonster.m_treasuretype,
 155                     &Curmonster.m_type, &Curmonster.m_flock);
 156                 Databuf[24] = '\0';
 157                 strcpy(Curmonster.m_name, Databuf);
 158                 fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp);
 159                 }
 160             fclose(fp);
 161             fclose(Monstfp);
 162             }
 163         }
 164
 165 #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT
 166     /* write to motd file */
 167     printf("One line 'motd' ? ");
 168     if (fgets(Databuf, SZ_DATABUF, stdin) == NULL)
 169         Databuf[0] = '\0';
 170     snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_MOTD);
 171     if ((fp = fopen(path, "w")) == NULL)
 172         Error("Cannot update %s.\n", path);
 173     else
 174         {
 175         fwrite(Databuf, sizeof(char), strlen(Databuf), fp);
 176         fclose(fp);
 177         }
 178
 179     /* report compile-time options */
 180     printf("Compiled options:\n\n");
 181     printf("Phantasia destination directory:  %s\n", _PATH_PHANTDIR);
 182     printf("Wizard: root UID: 0\n");
 183
 184 #ifdef BSD41
 185     printf("Compiled for BSD 4.1\n");
 186 #endif
 187
 188 #ifdef BSD42
 189     printf("Compiled for BSD 4.2\n");
 190 #endif
 191
 192 #ifdef SYS3
 193     printf("Compiled for System III\n");
 194 #endif
 195
 196 #ifdef SYS5
 197     printf("Compiled for System V\n");
 198 #endif
 199 #endif
 200
 201     exit(0);
 202     /*NOTREACHED*/
 203 }
 204 /*\f*/
 205 /************************************************************************
 206 /
 207 / FUNCTION NAME: Error()
 208 /
 209 / FUNCTION: print an error message, and exit
 210 /
 211 / AUTHOR: E. A. Estes, 12/4/85
 212 /
 213 / ARGUMENTS:
 214 /       char *str - format string for printf()
 215 /       char *file - file which caused error
 216 /
 217 / RETURN VALUE: none
 218 /
 219 / MODULES CALLED: exit(), perror(), fprintf()
 220 /
 221 / GLOBAL INPUTS: _iob[]
 222 /
 223 / GLOBAL OUTPUTS: none
 224 /
 225 / DESCRIPTION:
 226 /       Print an error message, then exit.
 227 /
 228 /************************************************************************/
 229
 230 Error(str, file)
 231 char    *str, *file;
 232 {
 233     fprintf(stderr, "Error: ");
 234     fprintf(stderr, str, file);
 235     perror(file);
 236     exit(1);
 237     /*NOTREACHED*/
 238 }
 239 /*\f*/
 240 /************************************************************************
 241 /
 242 / FUNCTION NAME: drandom()
 243 /
 244 / FUNCTION: return a random number
 245 /
 246 / AUTHOR: E. A. Estes, 2/7/86
 247 /
 248 / ARGUMENTS: none
 249 /
 250 / RETURN VALUE: none
 251 /
 252 / MODULES CALLED: random()
 253 /
 254 / GLOBAL INPUTS: none
 255 /
 256 / GLOBAL OUTPUTS: none
 257 /
 258 / DESCRIPTION:
 259 /
 260 /************************************************************************/
 261
 262 double
 263 drandom()
 264 {
 265     if (sizeof(int) != 2)
 266         return((double) (random() & 0x7fff) / 32768.0);
 267     else
 268         return((double) random() / 32768.0);
 269 }