hunt/huntd/hunt.h

   1 /*      $NetBSD: hunt.h,v 1.13 2009/07/04 03:27:57 dholland Exp $       */
   2
   3 /*
   4  * Copyright (c) 1983-2003, Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met:
  10  *
  11  * + Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  * + Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  * + Neither the name of the University of California, San Francisco nor
  17  *   the names of its contributors may be used to endorse or promote
  18  *   products derived from this software without specific prior written
  19  *   permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  22  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  24  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 # include "bsd.h"
  35
  36 # include       <stdio.h>
  37 # include       <string.h>
  38 # ifdef LOG
  39 # include       <syslog.h>
  40 # endif
  41 # if !defined(TERMINFO) && BSD_RELEASE < 44
  42 # include       <sgtty.h>
  43 # else
  44 # include       <sys/ioctl.h>
  45 # endif
  46 # include       <sys/types.h>
  47 # include       <sys/uio.h>
  48 # include       <sys/poll.h>
  49 # ifdef INTERNET
  50 # include       <netinet/in.h>
  51 # include       <netdb.h>
  52 # include       <arpa/inet.h>
  53 # ifdef BROADCAST
  54 # include       <net/if.h>
  55 # endif
  56 # else
  57 # include       <sys/un.h>
  58 # endif
  59
  60 # ifdef INTERNET
  61 # define        SOCK_FAMILY     AF_INET
  62 # else
  63 # define        SOCK_FAMILY     AF_UNIX
  64 # define        AF_UNIX_HACK            /* 4.2 hack; leaves files around */
  65 # endif
  66
  67 /*
  68  * Preprocessor define dependencies
  69  */
  70 # if defined(VOLCANO) && !defined(OOZE)
  71 # define OOZE
  72 # endif
  73 # if defined(BOOTS) && !defined(FLY)
  74 # define FLY
  75 # endif
  76 # if !defined(REFLECT) && !defined(RANDOM)
  77 # define RANDOM
  78 # endif
  79 # ifdef TERMINFO
  80 /* mvcur() in terminfo needs the curses library to be initialized to not
  81  * coredump, so give up and use it. */
  82 # define USE_CURSES
  83 # endif
  84
  85 /* decrement version number for each change in startup protocol */
  86 # define        HUNT_VERSION            -1
  87
  88 # define        ADDCH           ('a' | 0200)
  89 # define        MOVE            ('m' | 0200)
  90 # define        REFRESH         ('r' | 0200)
  91 # define        CLRTOEOL        ('c' | 0200)
  92 # define        ENDWIN          ('e' | 0200)
  93 # define        CLEAR           ('C' | 0200)
  94 # define        REDRAW          ('R' | 0200)
  95 # define        LAST_PLAYER     ('l' | 0200)
  96 # define        BELL            ('b' | 0200)
  97 # define        READY           ('g' | 0200)
  98
  99 /*
 100  * Choose MAXPL and MAXMON carefully.  The screen is assumed to be
 101  * 23 lines high and will only tolerate (MAXPL == 17 && MAXMON == 0)
 102  * or (MAXPL + MAXMON <= 16).
 103  */
 104 # ifdef MONITOR
 105 # define        MAXPL           15
 106 # define        MAXMON          1
 107 # else
 108 # define        MAXPL           17
 109 # define        MAXMON          0
 110 # endif
 111 # define        SHORTLEN        2               /* sizeof (network short) */
 112 # define        LONGLEN         4               /* sizeof (network long) */
 113 # define        NAMELEN         20
 114 # define        MSGLEN          SCREEN_WIDTH
 115 # define        DECAY           50.0
 116
 117 # define        NASCII          128
 118
 119 # define        WIDTH   51
 120 # define        WIDTH2  64      /* Next power of 2 >= WIDTH (for fast access) */
 121 # define        HEIGHT  23
 122 # define        UBOUND  1
 123 # define        DBOUND  (HEIGHT - 1)
 124 # define        LBOUND  1
 125 # define        RBOUND  (WIDTH - 1)
 126
 127 # define        SCREEN_HEIGHT   24
 128 # define        SCREEN_WIDTH    80
 129 # define        SCREEN_WIDTH2   128     /* Next power of 2 >= SCREEN_WIDTH */
 130
 131 # define        STAT_LABEL_COL  60
 132 # define        STAT_VALUE_COL  74
 133 # define        STAT_NAME_COL   61
 134 # define        STAT_SCAN_COL   (STAT_NAME_COL + 5)
 135 # define        STAT_AMMO_ROW   0
 136 # define        STAT_GUN_ROW    1
 137 # define        STAT_DAM_ROW    2
 138 # define        STAT_KILL_ROW   3
 139 # define        STAT_PLAY_ROW   5
 140 # ifdef MONITOR
 141 # define        STAT_MON_ROW    (STAT_PLAY_ROW + MAXPL + 1)
 142 # endif
 143 # define        STAT_NAME_LEN   18
 144
 145 # define        DOOR    '#'
 146 # define        WALL1   '-'
 147 # define        WALL2   '|'
 148 # define        WALL3   '+'
 149 # ifdef REFLECT
 150 # define        WALL4   '/'
 151 # define        WALL5   '\\'
 152 # endif
 153 # define        KNIFE   'K'
 154 # define        SHOT    ':'
 155 # define        GRENADE 'o'
 156 # define        SATCHEL 'O'
 157 # define        BOMB    '@'
 158 # define        MINE    ';'
 159 # define        GMINE   'g'
 160 # ifdef OOZE
 161 # define        SLIME   '$'
 162 # endif
 163 # ifdef VOLCANO
 164 # define        LAVA    '~'
 165 # endif
 166 # ifdef DRONE
 167 # define        DSHOT   '?'
 168 # endif
 169 # ifdef FLY
 170 # define        FALL    'F'
 171 # endif
 172 # ifdef BOOTS
 173 # define        NBOOTS          2
 174 # define        BOOT            'b'
 175 # define        BOOT_PAIR       'B'
 176 # endif
 177 # define        SPACE   ' '
 178
 179 # define        ABOVE   'i'
 180 # define        BELOW   '!'
 181 # define        RIGHT   '}'
 182 # define        LEFTS   '{'
 183 # ifdef FLY
 184 # define        FLYER   '&'
 185 # define        isplayer(c)     (c == LEFTS || c == RIGHT ||\
 186                                 c == ABOVE || c == BELOW || c == FLYER)
 187 # else
 188 # define        isplayer(c)     (c == LEFTS || c == RIGHT ||\
 189                                 c == ABOVE || c == BELOW)
 190 # endif
 191
 192 # define        NORTH   01
 193 # define        SOUTH   02
 194 # define        EAST    010
 195 # define        WEST    020
 196
 197 # ifndef TRUE
 198 # define        TRUE    1
 199 # define        FALSE   0
 200 # endif
 201 # undef CTRL
 202 # define        CTRL(x) ((x) & 037)
 203
 204 # define        BULSPD          5               /* bullets movement speed */
 205 # define        ISHOTS          15
 206 # define        NSHOTS          5
 207 # define        MAXNCSHOT       2
 208 # define        MAXDAM          10
 209 # define        MINDAM          5
 210 # define        STABDAM         2
 211
 212 # define        BULREQ          1
 213 # define        GRENREQ         9
 214 # define        SATREQ          25
 215 # define        BOMB7REQ        49
 216 # define        BOMB9REQ        81
 217 # define        BOMB11REQ       121
 218 # define        BOMB13REQ       169
 219 # define        BOMB15REQ       225
 220 # define        BOMB17REQ       289
 221 # define        BOMB19REQ       361
 222 # define        BOMB21REQ       441
 223 # define        MAXBOMB         11
 224 # ifdef DRONE
 225 # define        MINDSHOT        2       /* At least a satchel bomb */
 226 # endif
 227 extern int      shot_req[];
 228 extern int      shot_type[];
 229 # ifdef OOZE
 230 # define        SLIME_FACTOR    3
 231 # define        SLIMEREQ        5
 232 # define        SSLIMEREQ       10
 233 # define        SLIME2REQ       15
 234 # define        SLIME3REQ       20
 235 # define        MAXSLIME        4
 236 # define        SLIMESPEED      5
 237 extern int      slime_req[];
 238 # endif
 239 # ifdef VOLCANO
 240 # define        LAVASPEED       1
 241 # endif
 242
 243 # define        CLOAKLEN        20
 244 # define        SCANLEN         (Nplayer * 20)
 245 # define        EXPLEN          4
 246
 247 # define        Q_QUIT          0
 248 # define        Q_CLOAK         1
 249 # define        Q_FLY           2
 250 # define        Q_SCAN          3
 251 # define        Q_MESSAGE       4
 252
 253 # define        C_PLAYER        0
 254 # define        C_MONITOR       1
 255 # define        C_MESSAGE       2
 256 # define        C_SCORES        3
 257
 258 # ifdef MONITOR
 259 # define        C_TESTMSG()     (Query_driver ? C_MESSAGE :\
 260                                 (Show_scores ? C_SCORES :\
 261                                 (Am_monitor ? C_MONITOR :\
 262                                 C_PLAYER)))
 263 # else
 264 # define        C_TESTMSG()     (Show_scores ? C_SCORES :\
 265                                 (Query_driver ? C_MESSAGE :\
 266                                 C_PLAYER))
 267 # endif
 268
 269 # ifdef FLY
 270 # define        _scan_char(pp)  (((pp)->p_scan < 0) ? ' ' : '*')
 271 # define        _cloak_char(pp) (((pp)->p_cloak < 0) ? _scan_char(pp) : '+')
 272 # define        stat_char(pp)   (((pp)->p_flying < 0) ? _cloak_char(pp) : FLYER)
 273 # else
 274 # define        _scan_char(pp)  (((pp)->p_scan < 0) ? ' ' : '*')
 275 # define        stat_char(pp)   (((pp)->p_cloak < 0) ? _scan_char(pp) : '+')
 276 # endif
 277
 278 typedef int                     FLAG;
 279 typedef struct bullet_def       BULLET;
 280 typedef struct expl_def         EXPL;
 281 typedef struct player_def       PLAYER;
 282 typedef struct ident_def        IDENT;
 283 typedef struct regen_def        REGEN;
 284 # ifdef INTERNET
 285 typedef struct sockaddr_in      SOCKET;
 286 # else
 287 typedef struct sockaddr_un      SOCKET;
 288 # endif
 289
 290 struct ident_def {
 291         char    i_name[NAMELEN];
 292         char    i_team;
 293         uint32_t i_machine;
 294         uint32_t i_uid;
 295         float   i_kills;
 296         int     i_entries;
 297         float   i_score;
 298         int     i_absorbed;
 299         int     i_faced;
 300         int     i_shot;
 301         int     i_robbed;
 302         int     i_slime;
 303         int     i_missed;
 304         int     i_ducked;
 305         int     i_gkills, i_bkills, i_deaths, i_stillb, i_saved;
 306         IDENT   *i_next;
 307 };
 308
 309 struct player_def {
 310         IDENT   *p_ident;
 311         char    p_over;
 312         int     p_face;
 313         int     p_undershot;
 314 # ifdef FLY
 315         int     p_flying;
 316         int     p_flyx, p_flyy;
 317 # endif
 318 # ifdef BOOTS
 319         int     p_nboots;
 320 # endif
 321         FILE    *p_output;
 322         int     p_fd;
 323         int     p_mask;
 324         int     p_damage;
 325         int     p_damcap;
 326         int     p_ammo;
 327         int     p_ncshot;
 328         int     p_scan;
 329         int     p_cloak;
 330         int     p_x, p_y;
 331         int     p_ncount;
 332         int     p_nexec;
 333         long    p_nchar;
 334         char    p_death[MSGLEN];
 335         char    p_maze[HEIGHT][WIDTH2];
 336         int     p_curx, p_cury;
 337         int     p_lastx, p_lasty;
 338         char    p_cbuf[BUFSIZ];
 339 };
 340
 341 struct bullet_def {
 342         int     b_x, b_y;
 343         int     b_face;
 344         int     b_charge;
 345         char    b_type;
 346         char    b_size;
 347         char    b_over;
 348         PLAYER  *b_owner;
 349         IDENT   *b_score;
 350         FLAG    b_expl;
 351         BULLET  *b_next;
 352 };
 353
 354 struct expl_def {
 355         int     e_x, e_y;
 356         char    e_char;
 357         EXPL    *e_next;
 358 };
 359
 360 struct regen_def {
 361         int     r_x, r_y;
 362         REGEN   *r_next;
 363 };
 364
 365 /*
 366  * external variables
 367  */
 368
 369 extern FLAG     Last_player;
 370
 371 extern char     Buf[BUFSIZ], Maze[HEIGHT][WIDTH2], Orig_maze[HEIGHT][WIDTH2];
 372
 373 extern const char *Driver;
 374
 375 extern int      Nplayer, Socket, Status;
 376 extern struct   pollfd fdset[];
 377
 378 # ifdef INTERNET
 379 extern u_short  Test_port;
 380 # else
 381 extern char     *Sock_name, *Stat_name;
 382 # endif
 383
 384 # ifdef VOLCANO
 385 extern int      volcano;
 386 # endif
 387
 388 extern int      See_over[NASCII];
 389
 390 extern BULLET   *Bullets;
 391
 392 extern EXPL     *Expl[EXPLEN];
 393 extern EXPL     *Last_expl;
 394
 395 extern IDENT    *Scores;
 396
 397 extern PLAYER   Player[MAXPL], *End_player;
 398 # ifdef BOOTS
 399 extern PLAYER   Boot[NBOOTS];
 400 # endif
 401
 402 # ifdef MONITOR
 403 extern FLAG     Am_monitor;
 404 extern PLAYER   Monitor[MAXMON], *End_monitor;
 405 # endif
 406
 407 # ifdef INTERNET
 408 extern char     *Send_message;
 409 # endif
 410
 411 extern char     map_key[256];
 412 extern FLAG     no_beep;
 413
 414 /*
 415  * function types
 416  */
 417
 418 void            add_shot(int, int, int, char, int, PLAYER *, int, char);
 419 int             answer(void);
 420 void            bad_con(void) __attribute__((__noreturn__));
 421 void            bad_ver(void) __attribute__((__noreturn__));
 422 int             broadcast_vec(int, struct       sockaddr **);
 423 void            ce(PLAYER *);
 424 void            cgoto(PLAYER *, int, int);
 425 void            check(PLAYER *, int, int);
 426 void            checkdam(PLAYER *, PLAYER *, IDENT *, int, char);
 427 void            clearwalls(void);
 428 void            clear_eol(void);
 429 void            clear_the_screen(void);
 430 void            clrscr(PLAYER *);
 431 BULLET         *create_shot(int, int, int, char, int, int, PLAYER *,
 432                     IDENT *, int, char);
 433 void            do_connect(char *, char, long);
 434 void            do_message(void);
 435 void            drawmaze(PLAYER *);
 436 void            drawplayer(PLAYER *, FLAG);
 437 void            drawstatus(PLAYER *);
 438 void            execute(PLAYER *);
 439 void            faketalk(void);
 440 void            find_driver(FLAG);
 441 void            fixshots(int, int, char);
 442 IDENT          *get_ident(uint32_t, uint32_t, char *, char);
 443 void            get_local_name(char *);
 444 int             get_remote_name(char *);
 445 BULLET         *is_bullet(int, int);
 446 void            look(PLAYER *);
 447 void            makemaze(void);
 448 void            message(PLAYER *, const char *);
 449 void            mon_execute(PLAYER *);
 450 void            moveshots(void);
 451 void            open_ctl(void);
 452 int             opposite(int, char);
 453 void            otto(int, int, char);
 454 void            outch(PLAYER *, int);
 455 void            outstr(PLAYER *, const char *, int);
 456 int             player_sym(PLAYER *, int, int);
 457 PLAYER         *play_at(int, int);
 458 void            playit(void);
 459 void            put_ch(char);
 460 void            put_str(char *);
 461 int             quit(int);
 462 int             rand_dir(void);
 463 int             rand_num(int);
 464 void            redraw_screen(void);
 465 void            rmnl(char *);
 466 void            rollexpl(void);
 467 void            see(PLAYER *, int);
 468 void            sendcom(PLAYER *, int, ...);
 469 void            showexpl(int, int, char);
 470 void            showstat(PLAYER *);
 471 void            start_driver(void);
 472 void            stmonitor(PLAYER *);
 473 void            stplayer(PLAYER *, int);
 474 char            translate(char);
 475 SIGNAL_TYPE     cleanup(int) __dead;
 476 SIGNAL_TYPE     intr(int);
 477 SIGNAL_TYPE     sigalrm(int);
 478 SIGNAL_TYPE     sigemt(int) __dead;
 479 SIGNAL_TYPE     sigterm(int) __dead;
 480 SIGNAL_TYPE     sigusr1(int) __dead;
 481 SIGNAL_TYPE     tstp(int);