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 * %sccs.include.redist.c%
9 */
10
11 #ifndef lint
12 static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 05/31/93";
13 #endif /* not lint */
14
15 /*
16 * save.c
17 *
18 * This source herein may be modified and/or distributed by anybody who
19 * so desires, with the following restrictions:
20 * 1.) No portion of this notice shall be removed.
21 * 2.) Credit shall not be taken for the creation of this source.
22 * 3.) This code is not to be traded, sold, or used for personal
23 * gain or profit.
24 *
25 */
26
27 #include <stdio.h>
28 #include "rogue.h"
29
30 short write_failed = 0;
31 char *save_file = (char *) 0;
32
33 extern boolean detect_monster;
34 extern short cur_level, max_level;
35 extern char hunger_str[];
36 extern char login_name[];
37 extern short party_room;
38 extern short foods;
39 extern boolean is_wood[];
40 extern short cur_room;
41 extern boolean being_held;
42 extern short bear_trap;
43 extern short halluc;
44 extern short blind;
45 extern short confused;
46 extern short levitate;
47 extern short haste_self;
48 extern boolean see_invisible;
49 extern boolean detect_monster;
50 extern boolean wizard;
51 extern boolean score_only;
52 extern short m_moves;
53
54 extern boolean msg_cleared;
55
save_game()56 save_game()
57 {
58 char fname[64];
59
60 if (!get_input_line("file name?", save_file, fname, "game not saved",
61 0, 1)) {
62 return;
63 }
64 check_message();
65 message(fname, 0);
66 save_into_file(fname);
67 }
68
save_into_file(sfile)69 save_into_file(sfile)
70 char *sfile;
71 {
72 FILE *fp;
73 int file_id;
74 char name_buffer[80];
75 char *hptr;
76 struct rogue_time rt_buf;
77
78 if (sfile[0] == '~') {
79 if (hptr = md_getenv("HOME")) {
80 (void) strcpy(name_buffer, hptr);
81 (void) strcat(name_buffer, sfile+1);
82 sfile = name_buffer;
83 }
84 }
85 if ( ((fp = fopen(sfile, "w")) == NULL) ||
86 ((file_id = md_get_file_id(sfile)) == -1)) {
87 message("problem accessing the save file", 0);
88 return;
89 }
90 md_ignore_signals();
91 write_failed = 0;
92 (void) xxx(1);
93 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
94 r_write(fp, (char *) &cur_level, sizeof(cur_level));
95 r_write(fp, (char *) &max_level, sizeof(max_level));
96 write_string(hunger_str, fp);
97 write_string(login_name, fp);
98 r_write(fp, (char *) &party_room, sizeof(party_room));
99 write_pack(&level_monsters, fp);
100 write_pack(&level_objects, fp);
101 r_write(fp, (char *) &file_id, sizeof(file_id));
102 rw_dungeon(fp, 1);
103 r_write(fp, (char *) &foods, sizeof(foods));
104 r_write(fp, (char *) &rogue, sizeof(fighter));
105 write_pack(&rogue.pack, fp);
106 rw_id(id_potions, fp, POTIONS, 1);
107 rw_id(id_scrolls, fp, SCROLS, 1);
108 rw_id(id_wands, fp, WANDS, 1);
109 rw_id(id_rings, fp, RINGS, 1);
110 r_write(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
111 r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
112 r_write(fp, (char *) &cur_room, sizeof(cur_room));
113 rw_rooms(fp, 1);
114 r_write(fp, (char *) &being_held, sizeof(being_held));
115 r_write(fp, (char *) &bear_trap, sizeof(bear_trap));
116 r_write(fp, (char *) &halluc, sizeof(halluc));
117 r_write(fp, (char *) &blind, sizeof(blind));
118 r_write(fp, (char *) &confused, sizeof(confused));
119 r_write(fp, (char *) &levitate, sizeof(levitate));
120 r_write(fp, (char *) &haste_self, sizeof(haste_self));
121 r_write(fp, (char *) &see_invisible, sizeof(see_invisible));
122 r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
123 r_write(fp, (char *) &wizard, sizeof(wizard));
124 r_write(fp, (char *) &score_only, sizeof(score_only));
125 r_write(fp, (char *) &m_moves, sizeof(m_moves));
126 md_gct(&rt_buf);
127 rt_buf.second += 10; /* allow for some processing time */
128 r_write(fp, (char *) &rt_buf, sizeof(rt_buf));
129 fclose(fp);
130
131 if (write_failed) {
132 (void) md_df(sfile); /* delete file */
133 } else {
134 clean_up("");
135 }
136 }
137
restore(fname)138 restore(fname)
139 char *fname;
140 {
141 FILE *fp;
142 struct rogue_time saved_time, mod_time;
143 char buf[4];
144 char tbuf[40];
145 int new_file_id, saved_file_id;
146
147 if ( ((new_file_id = md_get_file_id(fname)) == -1) ||
148 ((fp = fopen(fname, "r")) == NULL)) {
149 clean_up("cannot open file");
150 }
151 if (md_link_count(fname) > 1) {
152 clean_up("file has link");
153 }
154 (void) xxx(1);
155 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
156 r_read(fp, (char *) &cur_level, sizeof(cur_level));
157 r_read(fp, (char *) &max_level, sizeof(max_level));
158 read_string(hunger_str, fp);
159
160 (void) strcpy(tbuf, login_name);
161 read_string(login_name, fp);
162 if (strcmp(tbuf, login_name)) {
163 clean_up("you're not the original player");
164 }
165
166 r_read(fp, (char *) &party_room, sizeof(party_room));
167 read_pack(&level_monsters, fp, 0);
168 read_pack(&level_objects, fp, 0);
169 r_read(fp, (char *) &saved_file_id, sizeof(saved_file_id));
170 if (new_file_id != saved_file_id) {
171 clean_up("sorry, saved game is not in the same file");
172 }
173 rw_dungeon(fp, 0);
174 r_read(fp, (char *) &foods, sizeof(foods));
175 r_read(fp, (char *) &rogue, sizeof(fighter));
176 read_pack(&rogue.pack, fp, 1);
177 rw_id(id_potions, fp, POTIONS, 0);
178 rw_id(id_scrolls, fp, SCROLS, 0);
179 rw_id(id_wands, fp, WANDS, 0);
180 rw_id(id_rings, fp, RINGS, 0);
181 r_read(fp, (char *) traps, (MAX_TRAPS * sizeof(trap)));
182 r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
183 r_read(fp, (char *) &cur_room, sizeof(cur_room));
184 rw_rooms(fp, 0);
185 r_read(fp, (char *) &being_held, sizeof(being_held));
186 r_read(fp, (char *) &bear_trap, sizeof(bear_trap));
187 r_read(fp, (char *) &halluc, sizeof(halluc));
188 r_read(fp, (char *) &blind, sizeof(blind));
189 r_read(fp, (char *) &confused, sizeof(confused));
190 r_read(fp, (char *) &levitate, sizeof(levitate));
191 r_read(fp, (char *) &haste_self, sizeof(haste_self));
192 r_read(fp, (char *) &see_invisible, sizeof(see_invisible));
193 r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
194 r_read(fp, (char *) &wizard, sizeof(wizard));
195 r_read(fp, (char *) &score_only, sizeof(score_only));
196 r_read(fp, (char *) &m_moves, sizeof(m_moves));
197 r_read(fp, (char *) &saved_time, sizeof(saved_time));
198
199 if (fread(buf, sizeof(char), 1, fp) > 0) {
200 clear();
201 clean_up("extra characters in file");
202 }
203
204 md_gfmt(fname, &mod_time); /* get file modification time */
205
206 if (has_been_touched(&saved_time, &mod_time)) {
207 clear();
208 clean_up("sorry, file has been touched");
209 }
210 if ((!wizard) && !md_df(fname)) {
211 clean_up("cannot delete file");
212 }
213 msg_cleared = 0;
214 ring_stats(0);
215 fclose(fp);
216 }
217
write_pack(pack,fp)218 write_pack(pack, fp)
219 object *pack;
220 FILE *fp;
221 {
222 object t;
223
224 while (pack = pack->next_object) {
225 r_write(fp, (char *) pack, sizeof(object));
226 }
227 t.ichar = t.what_is = 0;
228 r_write(fp, (char *) &t, sizeof(object));
229 }
230
read_pack(pack,fp,is_rogue)231 read_pack(pack, fp, is_rogue)
232 object *pack;
233 FILE *fp;
234 boolean is_rogue;
235 {
236 object read_obj, *new_obj;
237
238 for (;;) {
239 r_read(fp, (char *) &read_obj, sizeof(object));
240 if (read_obj.ichar == 0) {
241 pack->next_object = (object *) 0;
242 break;
243 }
244 new_obj = alloc_object();
245 *new_obj = read_obj;
246 if (is_rogue) {
247 if (new_obj->in_use_flags & BEING_WORN) {
248 do_wear(new_obj);
249 } else if (new_obj->in_use_flags & BEING_WIELDED) {
250 do_wield(new_obj);
251 } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) {
252 do_put_on(new_obj,
253 ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0));
254 }
255 }
256 pack->next_object = new_obj;
257 pack = new_obj;
258 }
259 }
260
rw_dungeon(fp,rw)261 rw_dungeon(fp, rw)
262 FILE *fp;
263 boolean rw;
264 {
265 short i, j;
266 char buf[DCOLS];
267
268 for (i = 0; i < DROWS; i++) {
269 if (rw) {
270 r_write(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
271 for (j = 0; j < DCOLS; j++) {
272 buf[j] = mvinch(i, j);
273 }
274 r_write(fp, buf, DCOLS);
275 } else {
276 r_read(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
277 r_read(fp, buf, DCOLS);
278 for (j = 0; j < DCOLS; j++) {
279 mvaddch(i, j, buf[j]);
280 }
281 }
282 }
283 }
284
285 rw_id(id_table, fp, n, wr)
286 struct id id_table[];
287 FILE *fp;
288 int n;
289 boolean wr;
290 {
291 short i;
292
293 for (i = 0; i < n; i++) {
294 if (wr) {
295 r_write(fp, (char *) &(id_table[i].value), sizeof(short));
296 r_write(fp, (char *) &(id_table[i].id_status),
297 sizeof(unsigned short));
298 write_string(id_table[i].title, fp);
299 } else {
300 r_read(fp, (char *) &(id_table[i].value), sizeof(short));
301 r_read(fp, (char *) &(id_table[i].id_status),
302 sizeof(unsigned short));
303 read_string(id_table[i].title, fp);
304 }
305 }
306 }
307
write_string(s,fp)308 write_string(s, fp)
309 char *s;
310 FILE *fp;
311 {
312 short n;
313
314 n = strlen(s) + 1;
315 xxxx(s, n);
316 r_write(fp, (char *) &n, sizeof(short));
317 r_write(fp, s, n);
318 }
319
read_string(s,fp)320 read_string(s, fp)
321 char *s;
322 FILE *fp;
323 {
324 short n;
325
326 r_read(fp, (char *) &n, sizeof(short));
327 r_read(fp, s, n);
328 xxxx(s, n);
329 }
330
rw_rooms(fp,rw)331 rw_rooms(fp, rw)
332 FILE *fp;
333 boolean rw;
334 {
335 short i;
336
337 for (i = 0; i < MAXROOMS; i++) {
338 rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) :
339 r_read(fp, (char *) (rooms + i), sizeof(room));
340 }
341 }
342
r_read(fp,buf,n)343 r_read(fp, buf, n)
344 FILE *fp;
345 char *buf;
346 int n;
347 {
348 if (fread(buf, sizeof(char), n, fp) != n) {
349 clean_up("read() failed, don't know why");
350 }
351 }
352
r_write(fp,buf,n)353 r_write(fp, buf, n)
354 FILE *fp;
355 char *buf;
356 int n;
357 {
358 if (!write_failed) {
359 if (fwrite(buf, sizeof(char), n, fp) != n) {
360 message("write() failed, don't know why", 0);
361 sound_bell();
362 write_failed = 1;
363 }
364 }
365 }
366
367 boolean
has_been_touched(saved_time,mod_time)368 has_been_touched(saved_time, mod_time)
369 struct rogue_time *saved_time, *mod_time;
370 {
371 if (saved_time->year < mod_time->year) {
372 return(1);
373 } else if (saved_time->year > mod_time->year) {
374 return(0);
375 }
376 if (saved_time->month < mod_time->month) {
377 return(1);
378 } else if (saved_time->month > mod_time->month) {
379 return(0);
380 }
381 if (saved_time->day < mod_time->day) {
382 return(1);
383 } else if (saved_time->day > mod_time->day) {
384 return(0);
385 }
386 if (saved_time->hour < mod_time->hour) {
387 return(1);
388 } else if (saved_time->hour > mod_time->hour) {
389 return(0);
390 }
391 if (saved_time->minute < mod_time->minute) {
392 return(1);
393 } else if (saved_time->minute > mod_time->minute) {
394 return(0);
395 }
396 if (saved_time->second < mod_time->second) {
397 return(1);
398 }
399 return(0);
400 }
401