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init.c revision 1.14 
      1 /*	$NetBSD: init.c,v 1.14 2007/12/15 19:44:43 perry Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Timothy C. Stoehr.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 5/31/93";
     39 #else
     40 __RCSID("$NetBSD: init.c,v 1.14 2007/12/15 19:44:43 perry Exp $");
     41 #endif
     42 #endif /* not lint */
     43 
     44 /*
     45  * init.c
     46  *
     47  * This source herein may be modified and/or distributed by anybody who
     48  * so desires, with the following restrictions:
     49  *    1.)  No portion of this notice shall be removed.
     50  *    2.)  Credit shall not be taken for the creation of this source.
     51  *    3.)  This code is not to be traded, sold, or used for personal
     52  *         gain or profit.
     53  *
     54  */
     55 
     56 #include <stdlib.h>
     57 #include <fcntl.h>
     58 
     59 #include "rogue.h"
     60 
     61 char login_name[MAX_OPT_LEN];
     62 char *nick_name = (char *) 0;
     63 char *rest_file = 0;
     64 boolean cant_int = 0;
     65 boolean did_int = 0;
     66 boolean score_only;
     67 boolean init_curses = 0;
     68 boolean save_is_interactive = 1;
     69 boolean ask_quit = 1;
     70 boolean no_skull = 0;
     71 boolean passgo = 0;
     72 const char *error_file = "rogue.esave";
     73 const char *byebye_string = "Okay, bye bye!";
     74 gid_t gid, egid;
     75 
     76 int
     77 init(argc, argv)
     78 	int argc;
     79 	char *argv[];
     80 {
     81 	const char *pn;
     82 	int seed;
     83 	int fd;
     84 
     85 	gid = getgid();
     86 	egid = getegid();
     87 	setegid(gid);
     88 	/* Check for dirty tricks with closed fds 0, 1, 2 */
     89 	fd = open("/dev/null", O_RDONLY);
     90 	if (fd < 3)
     91 		exit(1);
     92 	close(fd);
     93 
     94 	seed = 0;
     95 	pn = md_gln();
     96 	if ((!pn) || (strlen(pn) >= MAX_OPT_LEN)) {
     97 		clean_up("Hey!  Who are you?");
     98 	}
     99 	(void) strcpy(login_name, pn);
    100 
    101 	do_args(argc, argv);
    102 	do_opts();
    103 
    104 	if (!score_only && !rest_file) {
    105 		printf("Hello %s, just a moment while I dig the dungeon...",
    106 			nick_name);
    107 		fflush(stdout);
    108 	}
    109 
    110 	initscr();
    111 	if ((LINES < DROWS) || (COLS < DCOLS)) {
    112 		clean_up("must be played on 24 x 80 screen");
    113 	}
    114 	start_window();
    115 	init_curses = 1;
    116 
    117 	md_heed_signals();
    118 
    119 	if (score_only) {
    120 		put_scores((object *) 0, 0);
    121 	}
    122 	seed = md_gseed();
    123 	(void) srrandom(seed);
    124 	if (rest_file) {
    125 		restore(rest_file);
    126 		return(1);
    127 	}
    128 	mix_colors();
    129 	get_wand_and_ring_materials();
    130 	make_scroll_titles();
    131 
    132 	level_objects.next_object = (object *) 0;
    133 	level_monsters.next_monster = (object *) 0;
    134 	player_init();
    135 	ring_stats(0);
    136 	return(0);
    137 }
    138 
    139 void
    140 player_init()
    141 {
    142 	object *obj;
    143 
    144 	rogue.pack.next_object = (object *) 0;
    145 
    146 	obj = alloc_object();
    147 	get_food(obj, 1);
    148 	(void) add_to_pack(obj, &rogue.pack, 1);
    149 
    150 	obj = alloc_object();		/* initial armor */
    151 	obj->what_is = ARMOR;
    152 	obj->which_kind = RINGMAIL;
    153 	obj->class = RINGMAIL+2;
    154 	obj->is_protected = 0;
    155 	obj->d_enchant = 1;
    156 	(void) add_to_pack(obj, &rogue.pack, 1);
    157 	do_wear(obj);
    158 
    159 	obj = alloc_object();		/* initial weapons */
    160 	obj->what_is = WEAPON;
    161 	obj->which_kind = MACE;
    162 	obj->damage = "2d3";
    163 	obj->hit_enchant = obj->d_enchant = 1;
    164 	obj->identified = 1;
    165 	(void) add_to_pack(obj, &rogue.pack, 1);
    166 	do_wield(obj);
    167 
    168 	obj = alloc_object();
    169 	obj->what_is = WEAPON;
    170 	obj->which_kind = BOW;
    171 	obj->damage = "1d2";
    172 	obj->hit_enchant = 1;
    173 	obj->d_enchant = 0;
    174 	obj->identified = 1;
    175 	(void) add_to_pack(obj, &rogue.pack, 1);
    176 
    177 	obj = alloc_object();
    178 	obj->what_is = WEAPON;
    179 	obj->which_kind = ARROW;
    180 	obj->quantity = get_rand(25, 35);
    181 	obj->damage = "1d2";
    182 	obj->hit_enchant = 0;
    183 	obj->d_enchant = 0;
    184 	obj->identified = 1;
    185 	(void) add_to_pack(obj, &rogue.pack, 1);
    186 }
    187 
    188 void
    189 clean_up(estr)
    190 	const char *estr;
    191 {
    192 	if (save_is_interactive) {
    193 		if (init_curses) {
    194 			move(DROWS-1, 0);
    195 			refresh();
    196 			stop_window();
    197 		}
    198 		printf("\n%s\n", estr);
    199 	}
    200 	md_exit(0);
    201 }
    202 
    203 void
    204 start_window()
    205 {
    206 	cbreak();
    207 	noecho();
    208 #ifndef BAD_NONL
    209 	nonl();
    210 #endif
    211 }
    212 
    213 void
    214 stop_window()
    215 {
    216 	endwin();
    217 }
    218 
    219 void
    220 byebye(dummy)
    221 	int dummy __unused;
    222 {
    223 	md_ignore_signals();
    224 	if (ask_quit) {
    225 		quit(1);
    226 	} else {
    227 		clean_up(byebye_string);
    228 	}
    229 	md_heed_signals();
    230 }
    231 
    232 void
    233 onintr(dummy)
    234 	int dummy __unused;
    235 {
    236 	md_ignore_signals();
    237 	if (cant_int) {
    238 		did_int = 1;
    239 	} else {
    240 		check_message();
    241 		message("interrupt", 1);
    242 	}
    243 	md_heed_signals();
    244 }
    245 
    246 void
    247 error_save(dummy)
    248 	int dummy __unused;
    249 {
    250 	save_is_interactive = 0;
    251 	save_into_file(error_file);
    252 	clean_up("");
    253 }
    254 
    255 void
    256 do_args(argc, argv)
    257 	int argc;
    258 	char *argv[];
    259 {
    260 	short i, j;
    261 
    262 	for (i = 1; i < argc; i++) {
    263 		if (argv[i][0] == '-') {
    264 			for (j = 1; argv[i][j]; j++) {
    265 				switch(argv[i][j]) {
    266 				case 's':
    267 					score_only = 1;
    268 					break;
    269 				}
    270 			}
    271 		} else {
    272 			rest_file = argv[i];
    273 		}
    274 	}
    275 }
    276 
    277 void
    278 do_opts()
    279 {
    280 	char *eptr;
    281 
    282 	if ((eptr = md_getenv("ROGUEOPTS")) != NULL) {
    283 		for (;;) {
    284 			while ((*eptr) == ' ') {
    285 				eptr++;
    286 			}
    287 			if (!(*eptr)) {
    288 				break;
    289 			}
    290 			if (!strncmp(eptr, "fruit=", 6)) {
    291 				eptr += 6;
    292 				env_get_value(&fruit, eptr, 1);
    293 			} else if (!strncmp(eptr, "file=", 5)) {
    294 				eptr += 5;
    295 				env_get_value(&save_file, eptr, 0);
    296 			} else if (!strncmp(eptr, "jump", 4)) {
    297 				jump = 1;
    298 			} else if (!strncmp(eptr, "name=", 5)) {
    299 				eptr += 5;
    300 				env_get_value(&nick_name, eptr, 0);
    301 			} else if (!strncmp(eptr, "noaskquit", 9)) {
    302 				ask_quit = 0;
    303 			} else if (!strncmp(eptr, "noskull", 5) ||
    304 					!strncmp(eptr,"notomb", 6)) {
    305 				no_skull = 1;
    306 			} else if (!strncmp(eptr, "passgo", 5)) {
    307 				passgo = 1;
    308 			}
    309 			while ((*eptr) && (*eptr != ',')) {
    310 				eptr++;
    311 			}
    312 			if (!(*(eptr++))) {
    313 				break;
    314 			}
    315 		}
    316 	}
    317 	/* If some strings have not been set through ROGUEOPTS, assign defaults
    318 	 * to them so that the options editor has data to work with.
    319 	 */
    320 	init_str(&nick_name, login_name);
    321 	init_str(&save_file, "rogue.save");
    322 	init_str(&fruit, "slime-mold");
    323 }
    324 
    325 void
    326 env_get_value(s, e, add_blank)
    327 	char **s, *e;
    328 	boolean add_blank;
    329 {
    330 	short i = 0;
    331 	const char *t;
    332 
    333 	t = e;
    334 
    335 	while ((*e) && (*e != ',')) {
    336 		if (*e == ':') {
    337 			*e = ';';		/* ':' reserved for score file purposes */
    338 		}
    339 		e++;
    340 		if (++i >= MAX_OPT_LEN) {
    341 			break;
    342 		}
    343 	}
    344 	*s = md_malloc(MAX_OPT_LEN + 2);
    345 	if (*s == NULL)
    346 		clean_up("out of memory");
    347 	(void) strncpy(*s, t, i);
    348 	if (add_blank) {
    349 		(*s)[i++] = ' ';
    350 	}
    351 	(*s)[i] = '\0';
    352 }
    353 
    354 void
    355 init_str(str, dflt)
    356 	char **str;
    357 	const char *dflt;
    358 {
    359 	if (!(*str)) {
    360 		*str = md_malloc(MAX_OPT_LEN + 2);
    361 		if (*str == NULL)
    362 			clean_up("out of memory");
    363 		(void) strcpy(*str, dflt);
    364 	}
    365 }
    366