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hunt.h revision 1.17 
      1 /*	$NetBSD: hunt.h,v 1.17 2009/07/04 07:10:23 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 
     39 #ifdef LOG
     40 #include <syslog.h>
     41 #endif
     42 
     43 #if BSD_RELEASE < 44
     44 #include <sgtty.h>
     45 #else
     46 #include <sys/ioctl.h>
     47 #endif
     48 
     49 #include <sys/types.h>
     50 #include <sys/uio.h>
     51 #include <sys/poll.h>
     52 
     53 #ifdef INTERNET
     54 #include <netinet/in.h>
     55 #include <netdb.h>
     56 #include <arpa/inet.h>
     57 #ifdef BROADCAST
     58 #include <net/if.h>
     59 #endif
     60 #else
     61 #include <sys/un.h>
     62 #endif
     63 
     64 #ifdef INTERNET
     65 #define SOCK_FAMILY	AF_INET
     66 #else
     67 #define SOCK_FAMILY	AF_UNIX
     68 #define AF_UNIX_HACK			/* 4.2 hack; leaves files around */
     69 #endif
     70 
     71 /*
     72  * Preprocessor define dependencies
     73  */
     74 #if defined(VOLCANO) && !defined(OOZE)
     75 #define OOZE
     76 #endif
     77 #if defined(BOOTS) && !defined(FLY)
     78 #define FLY
     79 #endif
     80 #if !defined(REFLECT) && !defined(RANDOM)
     81 #define RANDOM
     82 #endif
     83 
     84 /* decrement version number for each change in startup protocol */
     85 #define HUNT_VERSION		-1
     86 
     87 #define ADDCH		('a' | 0200)
     88 #define MOVE		('m' | 0200)
     89 #define REFRESH		('r' | 0200)
     90 #define CLRTOEOL	('c' | 0200)
     91 #define ENDWIN		('e' | 0200)
     92 #define CLEAR		('C' | 0200)
     93 #define REDRAW		('R' | 0200)
     94 #define LAST_PLAYER	('l' | 0200)
     95 #define BELL		('b' | 0200)
     96 #define READY		('g' | 0200)
     97 
     98 /*
     99  * Choose MAXPL and MAXMON carefully.  The screen is assumed to be
    100  * 23 lines high and will only tolerate (MAXPL == 17 && MAXMON == 0)
    101  * or (MAXPL + MAXMON <= 16).
    102  */
    103 #ifdef MONITOR
    104 #define MAXPL		15
    105 #define MAXMON		1
    106 #else
    107 #define MAXPL		17
    108 #define MAXMON		0
    109 #endif
    110 #define SHORTLEN	2		/* sizeof (network short) */
    111 #define LONGLEN		4		/* sizeof (network long) */
    112 #define NAMELEN		20
    113 #define MSGLEN		SCREEN_WIDTH
    114 #define DECAY		50.0
    115 
    116 #define NASCII		128
    117 
    118 #define WIDTH		51
    119 #define WIDTH2		64	/* Next power of 2 >= WIDTH (for fast access) */
    120 #define HEIGHT		23
    121 #define UBOUND		1
    122 #define DBOUND		(HEIGHT - 1)
    123 #define LBOUND		1
    124 #define RBOUND		(WIDTH - 1)
    125 
    126 #define SCREEN_HEIGHT	24
    127 #define SCREEN_WIDTH	80
    128 #define SCREEN_WIDTH2	128	/* Next power of 2 >= SCREEN_WIDTH */
    129 
    130 #define STAT_LABEL_COL	60
    131 #define STAT_VALUE_COL	74
    132 #define STAT_NAME_COL	61
    133 #define STAT_SCAN_COL	(STAT_NAME_COL + 5)
    134 #define STAT_AMMO_ROW	0
    135 #define STAT_GUN_ROW	1
    136 #define STAT_DAM_ROW	2
    137 #define STAT_KILL_ROW	3
    138 #define STAT_PLAY_ROW	5
    139 #ifdef MONITOR
    140 #define STAT_MON_ROW	(STAT_PLAY_ROW + MAXPL + 1)
    141 #endif
    142 #define STAT_NAME_LEN	18
    143 
    144 #define DOOR		'#'
    145 #define WALL1		'-'
    146 #define WALL2		'|'
    147 #define WALL3		'+'
    148 #ifdef REFLECT
    149 #define WALL4		'/'
    150 #define WALL5		'\\'
    151 #endif
    152 #define KNIFE		'K'
    153 #define SHOT		':'
    154 #define GRENADE		'o'
    155 #define SATCHEL		'O'
    156 #define BOMB		'@'
    157 #define MINE		';'
    158 #define GMINE		'g'
    159 #ifdef OOZE
    160 #define SLIME		'$'
    161 #endif
    162 #ifdef VOLCANO
    163 #define LAVA		'~'
    164 #endif
    165 #ifdef DRONE
    166 #define DSHOT		'?'
    167 #endif
    168 #ifdef FLY
    169 #define FALL		'F'
    170 #endif
    171 #ifdef BOOTS
    172 #define NBOOTS		2
    173 #define BOOT		'b'
    174 #define BOOT_PAIR	'B'
    175 #endif
    176 #define SPACE		' '
    177 
    178 #define ABOVE		'i'
    179 #define BELOW		'!'
    180 #define RIGHT		'}'
    181 #define LEFTS		'{'
    182 #ifdef FLY
    183 #define FLYER		'&'
    184 #define isplayer(c)	(c == LEFTS || c == RIGHT ||\
    185 			 c == ABOVE || c == BELOW || c == FLYER)
    186 #else
    187 #define	isplayer(c)	(c == LEFTS || c == RIGHT ||\
    188 			 c == ABOVE || c == BELOW)
    189 #endif
    190 
    191 #define NORTH	01
    192 #define SOUTH	02
    193 #define EAST	010
    194 #define WEST	020
    195 
    196 #ifndef TRUE
    197 #define TRUE	1
    198 #define FALSE	0
    199 #endif
    200 
    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) __dead;
    421 void bad_ver(void) __dead;
    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 void cleanup(int) __dead;
    476 void intr(int);
    477 void sigalrm(int);
    478 void sigemt(int) __dead;
    479 void sigterm(int) __dead;
    480 void sigusr1(int) __dead;
    481 void tstp(int);
    482