Add the DragonFly cvs id and perform general cleanups on cvs/rcs/sccs ids. Most
[dragonfly.git] / games / rogue / save.c
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Timothy C. Stoehr.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
1de703da
MD
35 *
36 * @(#)save.c 8.1 (Berkeley) 5/31/93
37 * $FreeBSD: src/games/rogue/save.c,v 1.6 1999/11/30 03:49:27 billf Exp $
38 * $DragonFly: src/games/rogue/save.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
984263bc
MD
39 */
40
984263bc
MD
41/*
42 * save.c
43 *
44 * This source herein may be modified and/or distributed by anybody who
45 * so desires, with the following restrictions:
46 * 1.) No portion of this notice shall be removed.
47 * 2.) Credit shall not be taken for the creation of this source.
48 * 3.) This code is not to be traded, sold, or used for personal
49 * gain or profit.
50 *
51 */
52
53#include <stdio.h>
54#include "rogue.h"
55
56short write_failed = 0;
57char *save_file = (char *) 0;
58static char save_name[80];
59
60extern boolean detect_monster;
61extern short cur_level, max_level;
62extern char hunger_str[];
63extern char login_name[];
64extern short party_room;
65extern short foods;
66extern boolean is_wood[];
67extern short cur_room;
68extern boolean being_held;
69extern short bear_trap;
70extern short halluc;
71extern short blind;
72extern short confused;
73extern short levitate;
74extern short haste_self;
75extern boolean see_invisible;
76extern boolean detect_monster;
77extern boolean wizard;
78extern boolean score_only;
79extern short m_moves;
80
81extern boolean msg_cleared;
82
83save_game()
84{
85 char fname[64];
86
87 if (!get_input_line("file name?", save_file, fname, "game not saved",
88 0, 1)) {
89 return;
90 }
91 check_message();
92 message(fname, 0);
93 save_into_file(fname);
94}
95
96save_into_file(sfile)
97const char *sfile;
98{
99 FILE *fp;
100 int file_id;
101 char name_buffer[80];
102 char *hptr;
103 struct rogue_time rt_buf;
104
105 if (sfile[0] == '~') {
106 if (hptr = md_getenv("HOME")) {
107 (void) strcpy(name_buffer, hptr);
108 (void) strcat(name_buffer, sfile+1);
109 sfile = name_buffer;
110 }
111 }
112 /* revoke */
113 setgid(getgid());
114 if ( ((fp = fopen(sfile, "w")) == NULL) ||
115 ((file_id = md_get_file_id(sfile)) == -1)) {
116 message("problem accessing the save file", 0);
117 return;
118 }
119 md_ignore_signals();
120 write_failed = 0;
121 (void) xxx(1);
122 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
123 r_write(fp, (char *) &cur_level, sizeof(cur_level));
124 r_write(fp, (char *) &max_level, sizeof(max_level));
125 write_string(hunger_str, fp);
126 write_string(login_name, fp);
127 r_write(fp, (char *) &party_room, sizeof(party_room));
128 write_pack(&level_monsters, fp);
129 write_pack(&level_objects, fp);
130 r_write(fp, (char *) &file_id, sizeof(file_id));
131 rw_dungeon(fp, 1);
132 r_write(fp, (char *) &foods, sizeof(foods));
133 r_write(fp, (char *) &rogue, sizeof(fighter));
134 write_pack(&rogue.pack, fp);
135 rw_id(id_potions, fp, POTIONS, 1);
136 rw_id(id_scrolls, fp, SCROLS, 1);
137 rw_id(id_wands, fp, WANDS, 1);
138 rw_id(id_rings, fp, RINGS, 1);
139 r_write(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
140 r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
141 r_write(fp, (char *) &cur_room, sizeof(cur_room));
142 rw_rooms(fp, 1);
143 r_write(fp, (char *) &being_held, sizeof(being_held));
144 r_write(fp, (char *) &bear_trap, sizeof(bear_trap));
145 r_write(fp, (char *) &halluc, sizeof(halluc));
146 r_write(fp, (char *) &blind, sizeof(blind));
147 r_write(fp, (char *) &confused, sizeof(confused));
148 r_write(fp, (char *) &levitate, sizeof(levitate));
149 r_write(fp, (char *) &haste_self, sizeof(haste_self));
150 r_write(fp, (char *) &see_invisible, sizeof(see_invisible));
151 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
152 r_write(fp, (char *) &wizard, sizeof(wizard));
153 r_write(fp, (char *) &score_only, sizeof(score_only));
154 r_write(fp, (char *) &m_moves, sizeof(m_moves));
155 md_gct(&rt_buf);
156 rt_buf.second += 10; /* allow for some processing time */
157 r_write(fp, (char *) &rt_buf, sizeof(rt_buf));
158 fclose(fp);
159
160 if (write_failed) {
161 (void) md_df(sfile); /* delete file */
162 } else {
163 if (strcmp(sfile, save_name) == 0)
164 save_name[0] = 0;
165 clean_up("");
166 }
167}
168
169static del_save_file()
170{
171 if (!save_name[0])
172 return;
173 /* revoke */
174 setgid(getgid());
175 md_df(save_name);
176}
177
178restore(fname)
179const char *fname;
180{
181 FILE *fp;
182 struct rogue_time saved_time, mod_time;
183 char buf[4];
184 char tbuf[40];
185 int new_file_id, saved_file_id;
186
187 if ( ((new_file_id = md_get_file_id(fname)) == -1) ||
188 ((fp = fopen(fname, "r")) == NULL)) {
189 clean_up("cannot open file");
190 }
191 if (md_link_count(fname) > 1) {
192 clean_up("file has link");
193 }
194 (void) xxx(1);
195 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
196 r_read(fp, (char *) &cur_level, sizeof(cur_level));
197 r_read(fp, (char *) &max_level, sizeof(max_level));
198 read_string(hunger_str, fp);
199
200 (void) strcpy(tbuf, login_name);
201 read_string(login_name, fp);
202 if (strcmp(tbuf, login_name)) {
203 clean_up("you're not the original player");
204 }
205
206 r_read(fp, (char *) &party_room, sizeof(party_room));
207 read_pack(&level_monsters, fp, 0);
208 read_pack(&level_objects, fp, 0);
209 r_read(fp, (char *) &saved_file_id, sizeof(saved_file_id));
210 if (new_file_id != saved_file_id) {
211 clean_up("sorry, saved game is not in the same file");
212 }
213 rw_dungeon(fp, 0);
214 r_read(fp, (char *) &foods, sizeof(foods));
215 r_read(fp, (char *) &rogue, sizeof(fighter));
216 read_pack(&rogue.pack, fp, 1);
217 rw_id(id_potions, fp, POTIONS, 0);
218 rw_id(id_scrolls, fp, SCROLS, 0);
219 rw_id(id_wands, fp, WANDS, 0);
220 rw_id(id_rings, fp, RINGS, 0);
221 r_read(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
222 r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
223 r_read(fp, (char *) &cur_room, sizeof(cur_room));
224 rw_rooms(fp, 0);
225 r_read(fp, (char *) &being_held, sizeof(being_held));
226 r_read(fp, (char *) &bear_trap, sizeof(bear_trap));
227 r_read(fp, (char *) &halluc, sizeof(halluc));
228 r_read(fp, (char *) &blind, sizeof(blind));
229 r_read(fp, (char *) &confused, sizeof(confused));
230 r_read(fp, (char *) &levitate, sizeof(levitate));
231 r_read(fp, (char *) &haste_self, sizeof(haste_self));
232 r_read(fp, (char *) &see_invisible, sizeof(see_invisible));
233 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
234 r_read(fp, (char *) &wizard, sizeof(wizard));
235 r_read(fp, (char *) &score_only, sizeof(score_only));
236 r_read(fp, (char *) &m_moves, sizeof(m_moves));
237 r_read(fp, (char *) &saved_time, sizeof(saved_time));
238
239 if (fread(buf, sizeof(char), 1, fp) > 0) {
240 clear();
241 clean_up("extra characters in file");
242 }
243
244 md_gfmt(fname, &mod_time); /* get file modification time */
245
246 if (has_been_touched(&saved_time, &mod_time)) {
247 clear();
248 clean_up("sorry, file has been touched");
249 }
250 if ((!wizard)) {
251 strcpy(save_name, fname);
252 atexit(del_save_file);
253 }
254 msg_cleared = 0;
255 ring_stats(0);
256 fclose(fp);
257}
258
259write_pack(pack, fp)
260const object *pack;
261FILE *fp;
262{
263 object t;
264
265 while (pack = pack->next_object) {
266 r_write(fp, (const char *) pack, sizeof(object));
267 }
268 t.ichar = t.what_is = 0;
269 r_write(fp, (const char *) &t, sizeof(object));
270}
271
272read_pack(pack, fp, is_rogue)
273object *pack;
274FILE *fp;
275boolean is_rogue;
276{
277 object read_obj, *new_obj;
278
279 for (;;) {
280 r_read(fp, (char *) &read_obj, sizeof(object));
281 if (read_obj.ichar == 0) {
282 pack->next_object = (object *) 0;
283 break;
284 }
285 new_obj = alloc_object();
286 *new_obj = read_obj;
287 if (is_rogue) {
288 if (new_obj->in_use_flags & BEING_WORN) {
289 do_wear(new_obj);
290 } else if (new_obj->in_use_flags & BEING_WIELDED) {
291 do_wield(new_obj);
292 } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) {
293 do_put_on(new_obj,
294 ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0));
295 }
296 }
297 pack->next_object = new_obj;
298 pack = new_obj;
299 }
300}
301
302rw_dungeon(fp, rw)
303FILE *fp;
304boolean rw;
305{
306 short i, j;
307 char buf[DCOLS];
308
309 for (i = 0; i < DROWS; i++) {
310 if (rw) {
311 r_write(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
312 for (j = 0; j < DCOLS; j++) {
313 buf[j] = mvinch(i, j);
314 }
315 r_write(fp, buf, DCOLS);
316 } else {
317 r_read(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
318 r_read(fp, buf, DCOLS);
319 for (j = 0; j < DCOLS; j++) {
320 mvaddch(i, j, buf[j]);
321 }
322 }
323 }
324}
325
326rw_id(id_table, fp, n, wr)
327struct id id_table[];
328FILE *fp;
329int n;
330boolean wr;
331{
332 short i;
333
334 for (i = 0; i < n; i++) {
335 if (wr) {
336 r_write(fp, (const char *) &(id_table[i].value), sizeof(short));
337 r_write(fp, (const char *) &(id_table[i].id_status),
338 sizeof(unsigned short));
339 write_string(id_table[i].title, fp);
340 } else {
341 r_read(fp, (char *) &(id_table[i].value), sizeof(short));
342 r_read(fp, (char *) &(id_table[i].id_status),
343 sizeof(unsigned short));
344 read_string(id_table[i].title, fp);
345 }
346 }
347}
348
349write_string(s, fp)
350char *s;
351FILE *fp;
352{
353 short n;
354
355 n = strlen(s) + 1;
356 xxxx(s, n);
357 r_write(fp, (char *) &n, sizeof(short));
358 r_write(fp, s, n);
359}
360
361read_string(s, fp)
362char *s;
363FILE *fp;
364{
365 short n;
366
367 r_read(fp, (char *) &n, sizeof(short));
368 r_read(fp, s, n);
369 xxxx(s, n);
370}
371
372rw_rooms(fp, rw)
373FILE *fp;
374boolean rw;
375{
376 short i;
377
378 for (i = 0; i < MAXROOMS; i++) {
379 rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) :
380 r_read(fp, (char *) (rooms + i), sizeof(room));
381 }
382}
383
384r_read(fp, buf, n)
385FILE *fp;
386char *buf;
387int n;
388{
389 if (fread(buf, sizeof(char), n, fp) != n) {
390 clean_up("read() failed, don't know why");
391 }
392}
393
394r_write(fp, buf, n)
395FILE *fp;
396const char *buf;
397int n;
398{
399 if (!write_failed) {
400 if (fwrite(buf, sizeof(char), n, fp) != n) {
401 message("write() failed, don't know why", 0);
402 sound_bell();
403 write_failed = 1;
404 }
405 }
406}
407
408boolean
409has_been_touched(saved_time, mod_time)
410const struct rogue_time *saved_time, *mod_time;
411{
412 if (saved_time->year < mod_time->year) {
413 return(1);
414 } else if (saved_time->year > mod_time->year) {
415 return(0);
416 }
417 if (saved_time->month < mod_time->month) {
418 return(1);
419 } else if (saved_time->month > mod_time->month) {
420 return(0);
421 }
422 if (saved_time->day < mod_time->day) {
423 return(1);
424 } else if (saved_time->day > mod_time->day) {
425 return(0);
426 }
427 if (saved_time->hour < mod_time->hour) {
428 return(1);
429 } else if (saved_time->hour > mod_time->hour) {
430 return(0);
431 }
432 if (saved_time->minute < mod_time->minute) {
433 return(1);
434 } else if (saved_time->minute > mod_time->minute) {
435 return(0);
436 }
437 if (saved_time->second < mod_time->second) {
438 return(1);
439 }
440 return(0);
441}