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
) {