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hunt.h revision 1.20 
      1 /*	$NetBSD: hunt.h,v 1.20 2014/03/29 19:41:10 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 <stdbool.h>
     37 #include <stdio.h>
     38 #include <string.h>
     39 
     40 #ifdef LOG
     41 #include <syslog.h>
     42 #endif
     43 
     44 #include <sys/ioctl.h>
     45 #include <sys/types.h>
     46 #include <sys/uio.h>
     47 #include <sys/poll.h>
     48 
     49 #ifdef INTERNET
     50 #include <netinet/in.h>
     51 #include <netdb.h>
     52 #include <arpa/inet.h>
     53 #include <net/if.h>
     54 #else
     55 #include <sys/un.h>
     56 #endif
     57 
     58 #ifdef INTERNET
     59 #define SOCK_FAMILY	AF_INET
     60 #else
     61 #define SOCK_FAMILY	AF_UNIX
     62 #define AF_UNIX_HACK			/* 4.2 hack; leaves files around */
     63 #endif
     64 
     65 /*
     66  * Preprocessor define dependencies
     67  */
     68 #if defined(VOLCANO) && !defined(OOZE)
     69 #define OOZE
     70 #endif
     71 #if defined(BOOTS) && !defined(FLY)
     72 #define FLY
     73 #endif
     74 #if !defined(REFLECT) && !defined(RANDOM)
     75 #define RANDOM
     76 #endif
     77 
     78 /* decrement version number for each change in startup protocol */
     79 #define HUNT_VERSION		-1
     80 
     81 #define ADDCH		('a' | 0200)
     82 #define MOVE		('m' | 0200)
     83 #define REFRESH		('r' | 0200)
     84 #define CLRTOEOL	('c' | 0200)
     85 #define ENDWIN		('e' | 0200)
     86 #define CLEAR		('C' | 0200)
     87 #define REDRAW		('R' | 0200)
     88 #define LAST_PLAYER	('l' | 0200)
     89 #define BELL		('b' | 0200)
     90 #define READY		('g' | 0200)
     91 
     92 /*
     93  * Choose MAXPL and MAXMON carefully.  The screen is assumed to be
     94  * 23 lines high and will only tolerate (MAXPL == 17 && MAXMON == 0)
     95  * or (MAXPL + MAXMON <= 16).
     96  */
     97 #ifdef MONITOR
     98 #define MAXPL		15
     99 #define MAXMON		1
    100 #else
    101 #define MAXPL		17
    102 #define MAXMON		0
    103 #endif
    104 #define SHORTLEN	2		/* sizeof (network short) */
    105 #define LONGLEN		4		/* sizeof (network long) */
    106 #define NAMELEN		20
    107 #define MSGLEN		SCREEN_WIDTH
    108 #define DECAY		50.0
    109 
    110 #define NASCII		128
    111 
    112 #define WIDTH		51
    113 #define WIDTH2		64	/* Next power of 2 >= WIDTH (for fast access) */
    114 #define HEIGHT		23
    115 #define UBOUND		1
    116 #define DBOUND		(HEIGHT - 1)
    117 #define LBOUND		1
    118 #define RBOUND		(WIDTH - 1)
    119 
    120 #define SCREEN_HEIGHT	24
    121 #define SCREEN_WIDTH	80
    122 #define SCREEN_WIDTH2	128	/* Next power of 2 >= SCREEN_WIDTH */
    123 
    124 #define STAT_LABEL_COL	60
    125 #define STAT_VALUE_COL	74
    126 #define STAT_NAME_COL	61
    127 #define STAT_SCAN_COL	(STAT_NAME_COL + 5)
    128 #define STAT_AMMO_ROW	0
    129 #define STAT_GUN_ROW	1
    130 #define STAT_DAM_ROW	2
    131 #define STAT_KILL_ROW	3
    132 #define STAT_PLAY_ROW	5
    133 #ifdef MONITOR
    134 #define STAT_MON_ROW	(STAT_PLAY_ROW + MAXPL + 1)
    135 #endif
    136 #define STAT_NAME_LEN	18
    137 
    138 #define DOOR		'#'
    139 #define WALL1		'-'
    140 #define WALL2		'|'
    141 #define WALL3		'+'
    142 #ifdef REFLECT
    143 #define WALL4		'/'
    144 #define WALL5		'\\'
    145 #endif
    146 #define KNIFE		'K'
    147 #define SHOT		':'
    148 #define GRENADE		'o'
    149 #define SATCHEL		'O'
    150 #define BOMB		'@'
    151 #define MINE		';'
    152 #define GMINE		'g'
    153 #ifdef OOZE
    154 #define SLIME		'$'
    155 #endif
    156 #ifdef VOLCANO
    157 #define LAVA		'~'
    158 #endif
    159 #ifdef DRONE
    160 #define DSHOT		'?'
    161 #endif
    162 #ifdef FLY
    163 #define FALL		'F'
    164 #endif
    165 #ifdef BOOTS
    166 #define NBOOTS		2
    167 #define BOOT		'b'
    168 #define BOOT_PAIR	'B'
    169 #endif
    170 #define SPACE		' '
    171 
    172 #define ABOVE		'i'
    173 #define BELOW		'!'
    174 #define RIGHT		'}'
    175 #define LEFTS		'{'
    176 #ifdef FLY
    177 #define FLYER		'&'
    178 #define isplayer(c)	(c == LEFTS || c == RIGHT ||\
    179 			 c == ABOVE || c == BELOW || c == FLYER)
    180 #else
    181 #define	isplayer(c)	(c == LEFTS || c == RIGHT ||\
    182 			 c == ABOVE || c == BELOW)
    183 #endif
    184 
    185 #define NORTH	01
    186 #define SOUTH	02
    187 #define EAST	010
    188 #define WEST	020
    189 
    190 #undef CTRL
    191 #define CTRL(x) ((x) & 037)
    192 
    193 #define BULSPD		5		/* bullets movement speed */
    194 #define ISHOTS		15
    195 #define NSHOTS		5
    196 #define MAXNCSHOT	2
    197 #define MAXDAM		10
    198 #define MINDAM		5
    199 #define STABDAM		2
    200 
    201 #define BULREQ		1
    202 #define GRENREQ		9
    203 #define SATREQ		25
    204 #define BOMB7REQ	49
    205 #define BOMB9REQ	81
    206 #define BOMB11REQ	121
    207 #define BOMB13REQ	169
    208 #define BOMB15REQ	225
    209 #define BOMB17REQ	289
    210 #define BOMB19REQ	361
    211 #define BOMB21REQ	441
    212 #define MAXBOMB		11
    213 #ifdef DRONE
    214 #define MINDSHOT	2	/* At least a satchel bomb */
    215 #endif
    216 extern int shot_req[];
    217 extern int shot_type[];
    218 #ifdef OOZE
    219 #define SLIME_FACTOR	3
    220 #define SLIMEREQ	5
    221 #define SSLIMEREQ	10
    222 #define SLIME2REQ	15
    223 #define SLIME3REQ	20
    224 #define MAXSLIME	4
    225 #define SLIMESPEED	5
    226 extern int slime_req[];
    227 #endif
    228 #ifdef VOLCANO
    229 #define LAVASPEED	1
    230 #endif
    231 
    232 #define CLOAKLEN	20
    233 #define SCANLEN		(Nplayer * 20)
    234 #define EXPLEN		4
    235 
    236 #define Q_QUIT		0
    237 #define Q_CLOAK		1
    238 #define Q_FLY		2
    239 #define Q_SCAN		3
    240 #define Q_MESSAGE	4
    241 
    242 #define C_PLAYER	0
    243 #define C_MONITOR	1
    244 #define C_MESSAGE	2
    245 #define C_SCORES	3
    246 
    247 #ifdef MONITOR
    248 #define C_TESTMSG()	(Query_driver ? C_MESSAGE :\
    249 			(Show_scores ? C_SCORES :\
    250 			(Am_monitor ? C_MONITOR :\
    251 			C_PLAYER)))
    252 #else
    253 #define	C_TESTMSG()	(Show_scores ? C_SCORES :\
    254 			(Query_driver ? C_MESSAGE :\
    255 			C_PLAYER))
    256 #endif
    257 
    258 #ifdef FLY
    259 #define _scan_char(pp)	(((pp)->p_scan < 0) ? ' ' : '*')
    260 #define _cloak_char(pp)	(((pp)->p_cloak < 0) ? _scan_char(pp) : '+')
    261 #define stat_char(pp)	(((pp)->p_flying < 0) ? _cloak_char(pp) : FLYER)
    262 #else
    263 #define _scan_char(pp)	(((pp)->p_scan < 0) ? ' ' : '*')
    264 #define stat_char(pp)	(((pp)->p_cloak < 0) ? _scan_char(pp) : '+')
    265 #endif
    266 
    267 typedef struct bullet_def	BULLET;
    268 typedef struct expl_def		EXPL;
    269 typedef struct player_def	PLAYER;
    270 typedef struct ident_def	IDENT;
    271 typedef struct regen_def	REGEN;
    272 #ifdef INTERNET
    273 typedef struct sockaddr_in	SOCKET;
    274 #else
    275 typedef struct sockaddr_un	SOCKET;
    276 #endif
    277 
    278 struct ident_def {
    279 	char i_name[NAMELEN];
    280 	char i_team;
    281 	uint32_t i_machine;
    282 	uint32_t i_uid;
    283 	float i_kills;
    284 	int i_entries;
    285 	float i_score;
    286 	int i_absorbed;
    287 	int i_faced;
    288 	int i_shot;
    289 	int i_robbed;
    290 	int i_slime;
    291 	int i_missed;
    292 	int i_ducked;
    293 	int i_gkills, i_bkills, i_deaths, i_stillb, i_saved;
    294 	IDENT *i_next;
    295 };
    296 
    297 struct player_def {
    298 	IDENT *p_ident;
    299 	char p_over;
    300 	int p_face;
    301 	int p_undershot;
    302 #ifdef FLY
    303 	int p_flying;
    304 	int p_flyx, p_flyy;
    305 #endif
    306 #ifdef BOOTS
    307 	int p_nboots;
    308 #endif
    309 	FILE *p_output;
    310 	int p_fd;
    311 	int p_mask;
    312 	int p_damage;
    313 	int p_damcap;
    314 	int p_ammo;
    315 	int p_ncshot;
    316 	int p_scan;
    317 	int p_cloak;
    318 	int p_x, p_y;
    319 	int p_ncount;
    320 	int p_nexec;
    321 	long p_nchar;
    322 	char p_death[MSGLEN];
    323 	char p_maze[HEIGHT][WIDTH2];
    324 	int p_curx, p_cury;
    325 	int p_lastx, p_lasty;
    326 	char p_cbuf[BUFSIZ];
    327 };
    328 
    329 struct bullet_def {
    330 	int b_x, b_y;
    331 	int b_face;
    332 	int b_charge;
    333 	char b_type;
    334 	char b_size;
    335 	char b_over;
    336 	PLAYER *b_owner;
    337 	IDENT *b_score;
    338 	bool b_expl;
    339 	BULLET *b_next;
    340 };
    341 
    342 struct expl_def {
    343 	int e_x, e_y;
    344 	char e_char;
    345 	EXPL *e_next;
    346 };
    347 
    348 struct regen_def {
    349 	int r_x, r_y;
    350 	REGEN *r_next;
    351 };
    352 
    353 /*
    354  * external variables
    355  */
    356 
    357 extern bool Last_player;
    358 
    359 extern char Buf[BUFSIZ], Maze[HEIGHT][WIDTH2], Orig_maze[HEIGHT][WIDTH2];
    360 
    361 extern const char *Driver;
    362 
    363 extern int Nplayer, Socket, Status;
    364 extern struct pollfd fdset[];
    365 
    366 #ifdef INTERNET
    367 extern u_short Test_port;
    368 #else
    369 extern char *Sock_name, *Stat_name;
    370 #endif
    371 
    372 #ifdef VOLCANO
    373 extern int volcano;
    374 #endif
    375 
    376 extern int See_over[NASCII];
    377 
    378 extern BULLET *Bullets;
    379 
    380 extern EXPL *Expl[EXPLEN];
    381 extern EXPL *Last_expl;
    382 
    383 extern IDENT *Scores;
    384 
    385 extern PLAYER Player[MAXPL], *End_player;
    386 #ifdef BOOTS
    387 extern PLAYER Boot[NBOOTS];
    388 #endif
    389 
    390 #ifdef MONITOR
    391 extern bool Am_monitor;
    392 extern PLAYER Monitor[MAXMON], *End_monitor;
    393 #endif
    394 
    395 #ifdef INTERNET
    396 extern char *Send_message;
    397 #endif
    398 
    399 extern char map_key[256];
    400 extern bool no_beep;
    401 
    402 /*
    403  * function types
    404  */
    405 
    406 void add_shot(int, int, int, char, int, PLAYER *, int, char);
    407 int answer(void);
    408 void bad_con(void) __dead;
    409 void bad_ver(void) __dead;
    410 void ce(PLAYER *);
    411 void cgoto(PLAYER *, int, int);
    412 void check(PLAYER *, int, int);
    413 void checkdam(PLAYER *, PLAYER *, IDENT *, int, char);
    414 void clearwalls(void);
    415 void clear_eol(void);
    416 void clear_the_screen(void);
    417 void clrscr(PLAYER *);
    418 BULLET *create_shot(int, int, int, char, int, int, PLAYER *,
    419 		    IDENT *, int, char);
    420 void do_connect(char *, char, long);
    421 void do_message(void);
    422 void drawmaze(PLAYER *);
    423 void drawplayer(PLAYER *, bool);
    424 void execute(PLAYER *);
    425 void faketalk(void);
    426 void fixshots(int, int, char);
    427 void get_local_name(char *);
    428 int get_remote_name(char *);
    429 BULLET *is_bullet(int, int);
    430 void look(PLAYER *);
    431 void makemaze(void);
    432 void message(PLAYER *, const char *);
    433 void mon_execute(PLAYER *);
    434 void moveshots(void);
    435 void open_ctl(void);
    436 bool opposite(int, char);
    437 void otto(int, int, char);
    438 void outch(PLAYER *, int);
    439 void outstr(PLAYER *, const char *, int);
    440 PLAYER *play_at(int, int);
    441 void playit(void);
    442 void put_ch(char);
    443 void put_str(char *);
    444 int quit(int);
    445 int rand_dir(void);
    446 int rand_num(int);
    447 void rollexpl(void);
    448 void sendcom(PLAYER *, int, ...);
    449 void showexpl(int, int, char);
    450 void showstat(PLAYER *);
    451 void cleanup(int) __dead;
    452 void intr(int);
    453 void tstp(int);
    454