2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. 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 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#)save.c 8.1 (Berkeley) 5/31/93
33 * $FreeBSD: src/games/rogue/save.c,v 1.6 1999/11/30 03:49:27 billf Exp $
34 * $DragonFly: src/games/rogue/save.c,v 1.4 2006/09/02 19:31:07 pavalos Exp $
40 * This source herein may be modified and/or distributed by anybody who
41 * so desires, with the following restrictions:
42 * 1.) No portion of this notice shall be removed.
43 * 2.) Credit shall not be taken for the creation of this source.
44 * 3.) This code is not to be traded, sold, or used for personal
53 extern short cur_level, max_level;
54 extern short party_room;
56 extern boolean is_wood[];
57 extern short cur_room;
58 extern boolean being_held;
59 extern short bear_trap;
62 extern short confused;
63 extern short levitate;
64 extern short haste_self;
65 extern boolean see_invisible;
66 extern boolean detect_monster;
67 extern boolean wizard;
68 extern boolean score_only;
71 extern boolean msg_cleared;
73 static boolean has_been_touched(const struct rogue_time *,
74 const struct rogue_time *);
75 static void del_save_file(void);
76 static void r_read(FILE *, char *, int);
77 static void r_write(FILE *, const char *, int);
78 static void read_pack(object *, FILE *, boolean);
79 static void read_string(char *, FILE *, size_t);
80 static void rw_dungeon(FILE *, boolean);
81 static void rw_id(struct id *, FILE *, int, boolean);
82 static void rw_rooms(FILE *, boolean);
83 static void write_pack(const object *, FILE *);
84 static void write_string(char *, FILE *);
86 short write_failed = 0;
87 char *save_file = NULL;
88 static char save_name[80];
95 if (!get_input_line("file name?", save_file, fname,
96 "game not saved", 0, 1)) {
101 save_into_file(fname);
105 save_into_file(const char *sfile)
112 struct rogue_time rt_buf;
114 if (sfile[0] == '~') {
115 if ((hptr = md_getenv("HOME")) != NULL) {
116 len = strlen(hptr) + strlen(sfile);
117 name_buffer = md_malloc(len);
118 if (name_buffer == NULL) {
119 message("out of memory for save file name", 0);
122 strcpy(name_buffer, hptr);
123 strcat(name_buffer, sfile+1);
131 if ( ((fp = fopen(sfile, "w")) == NULL) ||
132 ((file_id = md_get_file_id(sfile)) == -1)) {
133 message("problem accessing the save file", 0);
139 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
140 r_write(fp, (char *) &cur_level, sizeof(cur_level));
141 r_write(fp, (char *) &max_level, sizeof(max_level));
142 write_string(hunger_str, fp);
143 write_string(login_name, fp);
144 r_write(fp, (char *) &party_room, sizeof(party_room));
145 write_pack(&level_monsters, fp);
146 write_pack(&level_objects, fp);
147 r_write(fp, (char *) &file_id, sizeof(file_id));
149 r_write(fp, (char *) &foods, sizeof(foods));
150 r_write(fp, (char *) &rogue, sizeof(fighter));
151 write_pack(&rogue.pack, fp);
152 rw_id(id_potions, fp, POTIONS, 1);
153 rw_id(id_scrolls, fp, SCROLS, 1);
154 rw_id(id_wands, fp, WANDS, 1);
155 rw_id(id_rings, fp, RINGS, 1);
156 r_write(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
157 r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
158 r_write(fp, (char *) &cur_room, sizeof(cur_room));
160 r_write(fp, (char *) &being_held, sizeof(being_held));
161 r_write(fp, (char *) &bear_trap, sizeof(bear_trap));
162 r_write(fp, (char *) &halluc, sizeof(halluc));
163 r_write(fp, (char *) &blind, sizeof(blind));
164 r_write(fp, (char *) &confused, sizeof(confused));
165 r_write(fp, (char *) &levitate, sizeof(levitate));
166 r_write(fp, (char *) &haste_self, sizeof(haste_self));
167 r_write(fp, (char *) &see_invisible, sizeof(see_invisible));
168 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
169 r_write(fp, (char *) &wizard, sizeof(wizard));
170 r_write(fp, (char *) &score_only, sizeof(score_only));
171 r_write(fp, (char *) &m_moves, sizeof(m_moves));
173 rt_buf.second += 10; /* allow for some processing time */
174 r_write(fp, (char *) &rt_buf, sizeof(rt_buf));
178 md_df(sfile); /* delete file */
180 if (strcmp(sfile, save_name) == 0)
197 restore(const char *fname)
200 struct rogue_time saved_time, mod_time;
203 int new_file_id, saved_file_id;
205 if ( ((new_file_id = md_get_file_id(fname)) == -1) ||
206 ((fp = fopen(fname, "r")) == NULL)) {
207 clean_up("cannot open file");
209 if (md_link_count(fname) > 1) {
210 clean_up("file has link");
213 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
214 r_read(fp, (char *) &cur_level, sizeof(cur_level));
215 r_read(fp, (char *) &max_level, sizeof(max_level));
216 read_string(hunger_str, fp, sizeof hunger_str);
218 strlcpy(tbuf, login_name, sizeof tbuf);
219 read_string(login_name, fp, sizeof login_name);
220 if (strcmp(tbuf, login_name)) {
221 clean_up("you're not the original player");
224 r_read(fp, (char *) &party_room, sizeof(party_room));
225 read_pack(&level_monsters, fp, 0);
226 read_pack(&level_objects, fp, 0);
227 r_read(fp, (char *) &saved_file_id, sizeof(saved_file_id));
228 if (new_file_id != saved_file_id) {
229 clean_up("sorry, saved game is not in the same file");
232 r_read(fp, (char *) &foods, sizeof(foods));
233 r_read(fp, (char *) &rogue, sizeof(fighter));
234 read_pack(&rogue.pack, fp, 1);
235 rw_id(id_potions, fp, POTIONS, 0);
236 rw_id(id_scrolls, fp, SCROLS, 0);
237 rw_id(id_wands, fp, WANDS, 0);
238 rw_id(id_rings, fp, RINGS, 0);
239 r_read(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
240 r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
241 r_read(fp, (char *) &cur_room, sizeof(cur_room));
243 r_read(fp, (char *) &being_held, sizeof(being_held));
244 r_read(fp, (char *) &bear_trap, sizeof(bear_trap));
245 r_read(fp, (char *) &halluc, sizeof(halluc));
246 r_read(fp, (char *) &blind, sizeof(blind));
247 r_read(fp, (char *) &confused, sizeof(confused));
248 r_read(fp, (char *) &levitate, sizeof(levitate));
249 r_read(fp, (char *) &haste_self, sizeof(haste_self));
250 r_read(fp, (char *) &see_invisible, sizeof(see_invisible));
251 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
252 r_read(fp, (char *) &wizard, sizeof(wizard));
253 r_read(fp, (char *) &score_only, sizeof(score_only));
254 r_read(fp, (char *) &m_moves, sizeof(m_moves));
255 r_read(fp, (char *) &saved_time, sizeof(saved_time));
257 if (fread(buf, sizeof(char), 1, fp) > 0) {
259 clean_up("extra characters in file");
262 md_gfmt(fname, &mod_time); /* get file modification time */
264 if (has_been_touched(&saved_time, &mod_time)) {
266 clean_up("sorry, file has been touched");
269 strcpy(save_name, fname);
270 atexit(del_save_file);
278 write_pack(const object *pack, FILE *fp)
282 while ((pack = pack->next_object) != NULL) {
283 r_write(fp, (const char *) pack, sizeof(object));
285 t.ichar = t.what_is = 0;
286 r_write(fp, (const char *) &t, sizeof(object));
290 read_pack(object *pack, FILE *fp, boolean is_rogue)
292 object read_obj, *new_obj;
295 r_read(fp, (char *) &read_obj, sizeof(object));
296 if (read_obj.ichar == 0) {
297 pack->next_object = NULL;
300 new_obj = alloc_object();
303 if (new_obj->in_use_flags & BEING_WORN) {
305 } else if (new_obj->in_use_flags & BEING_WIELDED) {
307 } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) {
309 ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0));
312 pack->next_object = new_obj;
318 rw_dungeon(FILE *fp, boolean rw)
323 for (i = 0; i < DROWS; i++) {
325 r_write(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
326 for (j = 0; j < DCOLS; j++) {
327 buf[j] = mvinch(i, j);
329 r_write(fp, buf, DCOLS);
331 r_read(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
332 r_read(fp, buf, DCOLS);
333 for (j = 0; j < DCOLS; j++) {
334 mvaddch(i, j, buf[j]);
341 rw_id(struct id id_table[], FILE *fp, int n, boolean wr)
345 for (i = 0; i < n; i++) {
347 r_write(fp, (const char *) &(id_table[i].value), sizeof(short));
348 r_write(fp, (const char *) &(id_table[i].id_status),
349 sizeof(unsigned short));
350 write_string(id_table[i].title, fp);
352 r_read(fp, (char *) &(id_table[i].value), sizeof(short));
353 r_read(fp, (char *) &(id_table[i].id_status),
354 sizeof(unsigned short));
355 read_string(id_table[i].title, fp, MAX_ID_TITLE_LEN);
361 write_string(char *s, FILE *fp)
367 r_write(fp, (char *) &n, sizeof(short));
372 read_string(char *s, FILE *fp, size_t len)
376 r_read(fp, (char *) &n, sizeof(short));
378 clean_up("read_string: corrupt game file");
384 rw_rooms(FILE *fp, boolean rw)
388 for (i = 0; i < MAXROOMS; i++) {
389 rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) :
390 r_read(fp, (char *) (rooms + i), sizeof(room));
395 r_read(FILE *fp, char *buf, int n)
397 if (fread(buf, sizeof(char), n, fp) != (unsigned)n) {
398 clean_up("read() failed, don't know why");
403 r_write(FILE *fp, const char *buf, int n)
406 if (fwrite(buf, sizeof(char), n, fp) != (unsigned)n) {
407 message("write() failed, don't know why", 0);
415 has_been_touched(const struct rogue_time *saved_time,
416 const struct rogue_time *mod_time)
418 if (saved_time->year < mod_time->year) {
420 } else if (saved_time->year > mod_time->year) {
423 if (saved_time->month < mod_time->month) {
425 } else if (saved_time->month > mod_time->month) {
428 if (saved_time->day < mod_time->day) {
430 } else if (saved_time->day > mod_time->day) {
433 if (saved_time->hour < mod_time->hour) {
435 } else if (saved_time->hour > mod_time->hour) {
438 if (saved_time->minute < mod_time->minute) {
440 } else if (saved_time->minute > mod_time->minute) {
443 if (saved_time->second < mod_time->second) {