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1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * 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 are permitted | |
9 | * provided that the above copyright notice and this paragraph are | |
10 | * duplicated in all such forms and that any documentation, | |
11 | * advertising materials, and other materials related to such | |
12 | * distribution and use acknowledge that the software was developed | |
13 | * by the University of California, Berkeley. The name of the | |
14 | * University may not be used to endorse or promote products derived | |
15 | * from this software without specific prior written permission. | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | */ | |
20 | ||
21 | #ifndef lint | |
22 | static char sccsid[] = "@(#)save.c 5.2 (Berkeley) %G%"; | |
23 | #endif /* not lint */ | |
24 | ||
b3afadef KB |
25 | /* |
26 | * save.c | |
27 | * | |
28 | * This source herein may be modified and/or distributed by anybody who | |
29 | * so desires, with the following restrictions: | |
30 | * 1.) No portion of this notice shall be removed. | |
31 | * 2.) Credit shall not be taken for the creation of this source. | |
32 | * 3.) This code is not to be traded, sold, or used for personal | |
33 | * gain or profit. | |
34 | * | |
35 | */ | |
36 | ||
b3afadef KB |
37 | #include <stdio.h> |
38 | #include "rogue.h" | |
39 | ||
40 | short write_failed = 0; | |
41 | char *save_file = (char *) 0; | |
42 | ||
43 | extern boolean detect_monster; | |
44 | extern short cur_level, max_level; | |
45 | extern char hunger_str[]; | |
46 | extern char login_name[]; | |
47 | extern short party_room; | |
48 | extern short foods; | |
49 | extern boolean is_wood[]; | |
50 | extern short cur_room; | |
51 | extern boolean being_held; | |
52 | extern short bear_trap; | |
53 | extern short halluc; | |
54 | extern short blind; | |
55 | extern short confused; | |
56 | extern short levitate; | |
57 | extern short haste_self; | |
58 | extern boolean see_invisible; | |
59 | extern boolean detect_monster; | |
60 | extern boolean wizard; | |
61 | extern boolean score_only; | |
62 | extern short m_moves; | |
63 | ||
64 | extern boolean msg_cleared; | |
65 | ||
66 | save_game() | |
67 | { | |
68 | char fname[64]; | |
69 | ||
70 | if (!get_input_line("file name?", save_file, fname, "game not saved", | |
71 | 0, 1)) { | |
72 | return; | |
73 | } | |
74 | check_message(); | |
75 | message(fname, 0); | |
76 | save_into_file(fname); | |
77 | } | |
78 | ||
79 | save_into_file(sfile) | |
80 | char *sfile; | |
81 | { | |
82 | FILE *fp; | |
83 | int file_id; | |
84 | char name_buffer[80]; | |
85 | char *hptr; | |
86 | struct rogue_time rt_buf; | |
87 | ||
88 | if (sfile[0] == '~') { | |
89 | if (hptr = md_getenv("HOME")) { | |
90 | (void) strcpy(name_buffer, hptr); | |
91 | (void) strcat(name_buffer, sfile+1); | |
92 | sfile = name_buffer; | |
93 | } | |
94 | } | |
95 | if ( ((fp = fopen(sfile, "w")) == NULL) || | |
96 | ((file_id = md_get_file_id(sfile)) == -1)) { | |
97 | message("problem accessing the save file", 0); | |
98 | return; | |
99 | } | |
100 | md_ignore_signals(); | |
101 | write_failed = 0; | |
102 | (void) xxx(1); | |
103 | r_write(fp, (char *) &detect_monster, sizeof(detect_monster)); | |
104 | r_write(fp, (char *) &cur_level, sizeof(cur_level)); | |
105 | r_write(fp, (char *) &max_level, sizeof(max_level)); | |
106 | write_string(hunger_str, fp); | |
107 | write_string(login_name, fp); | |
108 | r_write(fp, (char *) &party_room, sizeof(party_room)); | |
109 | write_pack(&level_monsters, fp); | |
110 | write_pack(&level_objects, fp); | |
111 | r_write(fp, (char *) &file_id, sizeof(file_id)); | |
112 | rw_dungeon(fp, 1); | |
113 | r_write(fp, (char *) &foods, sizeof(foods)); | |
114 | r_write(fp, (char *) &rogue, sizeof(fighter)); | |
115 | write_pack(&rogue.pack, fp); | |
116 | rw_id(id_potions, fp, POTIONS, 1); | |
117 | rw_id(id_scrolls, fp, SCROLS, 1); | |
118 | rw_id(id_wands, fp, WANDS, 1); | |
119 | rw_id(id_rings, fp, RINGS, 1); | |
120 | r_write(fp, (char *) traps, (MAX_TRAPS * sizeof(trap))); | |
121 | r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean))); | |
122 | r_write(fp, (char *) &cur_room, sizeof(cur_room)); | |
123 | rw_rooms(fp, 1); | |
124 | r_write(fp, (char *) &being_held, sizeof(being_held)); | |
125 | r_write(fp, (char *) &bear_trap, sizeof(bear_trap)); | |
126 | r_write(fp, (char *) &halluc, sizeof(halluc)); | |
127 | r_write(fp, (char *) &blind, sizeof(blind)); | |
128 | r_write(fp, (char *) &confused, sizeof(confused)); | |
129 | r_write(fp, (char *) &levitate, sizeof(levitate)); | |
130 | r_write(fp, (char *) &haste_self, sizeof(haste_self)); | |
131 | r_write(fp, (char *) &see_invisible, sizeof(see_invisible)); | |
132 | r_write(fp, (char *) &detect_monster, sizeof(detect_monster)); | |
133 | r_write(fp, (char *) &wizard, sizeof(wizard)); | |
134 | r_write(fp, (char *) &score_only, sizeof(score_only)); | |
135 | r_write(fp, (char *) &m_moves, sizeof(m_moves)); | |
136 | md_gct(&rt_buf); | |
137 | rt_buf.second += 10; /* allow for some processing time */ | |
138 | r_write(fp, (char *) &rt_buf, sizeof(rt_buf)); | |
139 | fclose(fp); | |
140 | ||
141 | if (write_failed) { | |
142 | (void) md_df(sfile); /* delete file */ | |
143 | } else { | |
144 | clean_up(""); | |
145 | } | |
146 | } | |
147 | ||
148 | restore(fname) | |
149 | char *fname; | |
150 | { | |
151 | FILE *fp; | |
152 | struct rogue_time saved_time, mod_time; | |
153 | char buf[4]; | |
154 | char tbuf[40]; | |
155 | int new_file_id, saved_file_id; | |
156 | ||
157 | if ( ((new_file_id = md_get_file_id(fname)) == -1) || | |
158 | ((fp = fopen(fname, "r")) == NULL)) { | |
159 | clean_up("cannot open file"); | |
160 | } | |
161 | if (md_link_count(fname) > 1) { | |
162 | clean_up("file has link"); | |
163 | } | |
164 | (void) xxx(1); | |
165 | r_read(fp, (char *) &detect_monster, sizeof(detect_monster)); | |
166 | r_read(fp, (char *) &cur_level, sizeof(cur_level)); | |
167 | r_read(fp, (char *) &max_level, sizeof(max_level)); | |
168 | read_string(hunger_str, fp); | |
169 | ||
170 | (void) strcpy(tbuf, login_name); | |
171 | read_string(login_name, fp); | |
172 | if (strcmp(tbuf, login_name)) { | |
173 | clean_up("you're not the original player"); | |
174 | } | |
175 | ||
176 | r_read(fp, (char *) &party_room, sizeof(party_room)); | |
177 | read_pack(&level_monsters, fp, 0); | |
178 | read_pack(&level_objects, fp, 0); | |
179 | r_read(fp, (char *) &saved_file_id, sizeof(saved_file_id)); | |
180 | if (new_file_id != saved_file_id) { | |
181 | clean_up("sorry, saved game is not in the same file"); | |
182 | } | |
183 | rw_dungeon(fp, 0); | |
184 | r_read(fp, (char *) &foods, sizeof(foods)); | |
185 | r_read(fp, (char *) &rogue, sizeof(fighter)); | |
186 | read_pack(&rogue.pack, fp, 1); | |
187 | rw_id(id_potions, fp, POTIONS, 0); | |
188 | rw_id(id_scrolls, fp, SCROLS, 0); | |
189 | rw_id(id_wands, fp, WANDS, 0); | |
190 | rw_id(id_rings, fp, RINGS, 0); | |
191 | r_read(fp, (char *) traps, (MAX_TRAPS * sizeof(trap))); | |
192 | r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean))); | |
193 | r_read(fp, (char *) &cur_room, sizeof(cur_room)); | |
194 | rw_rooms(fp, 0); | |
195 | r_read(fp, (char *) &being_held, sizeof(being_held)); | |
196 | r_read(fp, (char *) &bear_trap, sizeof(bear_trap)); | |
197 | r_read(fp, (char *) &halluc, sizeof(halluc)); | |
198 | r_read(fp, (char *) &blind, sizeof(blind)); | |
199 | r_read(fp, (char *) &confused, sizeof(confused)); | |
200 | r_read(fp, (char *) &levitate, sizeof(levitate)); | |
201 | r_read(fp, (char *) &haste_self, sizeof(haste_self)); | |
202 | r_read(fp, (char *) &see_invisible, sizeof(see_invisible)); | |
203 | r_read(fp, (char *) &detect_monster, sizeof(detect_monster)); | |
204 | r_read(fp, (char *) &wizard, sizeof(wizard)); | |
205 | r_read(fp, (char *) &score_only, sizeof(score_only)); | |
206 | r_read(fp, (char *) &m_moves, sizeof(m_moves)); | |
207 | r_read(fp, (char *) &saved_time, sizeof(saved_time)); | |
208 | ||
209 | if (fread(buf, sizeof(char), 1, fp) > 0) { | |
210 | clear(); | |
211 | clean_up("extra characters in file"); | |
212 | } | |
213 | ||
214 | md_gfmt(fname, &mod_time); /* get file modification time */ | |
215 | ||
216 | if (has_been_touched(&saved_time, &mod_time)) { | |
217 | clear(); | |
218 | clean_up("sorry, file has been touched"); | |
219 | } | |
220 | if ((!wizard) && !md_df(fname)) { | |
221 | clean_up("cannot delete file"); | |
222 | } | |
223 | msg_cleared = 0; | |
224 | ring_stats(0); | |
225 | fclose(fp); | |
226 | } | |
227 | ||
228 | write_pack(pack, fp) | |
229 | object *pack; | |
230 | FILE *fp; | |
231 | { | |
232 | object t; | |
233 | ||
234 | while (pack = pack->next_object) { | |
235 | r_write(fp, (char *) pack, sizeof(object)); | |
236 | } | |
237 | t.ichar = t.what_is = 0; | |
238 | r_write(fp, (char *) &t, sizeof(object)); | |
239 | } | |
240 | ||
241 | read_pack(pack, fp, is_rogue) | |
242 | object *pack; | |
243 | FILE *fp; | |
244 | boolean is_rogue; | |
245 | { | |
246 | object read_obj, *new_obj; | |
247 | ||
248 | for (;;) { | |
249 | r_read(fp, (char *) &read_obj, sizeof(object)); | |
250 | if (read_obj.ichar == 0) { | |
251 | pack->next_object = (object *) 0; | |
252 | break; | |
253 | } | |
254 | new_obj = alloc_object(); | |
255 | *new_obj = read_obj; | |
256 | if (is_rogue) { | |
257 | if (new_obj->in_use_flags & BEING_WORN) { | |
258 | do_wear(new_obj); | |
259 | } else if (new_obj->in_use_flags & BEING_WIELDED) { | |
260 | do_wield(new_obj); | |
261 | } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) { | |
262 | do_put_on(new_obj, | |
263 | ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0)); | |
264 | } | |
265 | } | |
266 | pack->next_object = new_obj; | |
267 | pack = new_obj; | |
268 | } | |
269 | } | |
270 | ||
271 | rw_dungeon(fp, rw) | |
272 | FILE *fp; | |
273 | boolean rw; | |
274 | { | |
275 | short i, j; | |
276 | char buf[DCOLS]; | |
277 | ||
278 | for (i = 0; i < DROWS; i++) { | |
279 | if (rw) { | |
280 | r_write(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); | |
281 | for (j = 0; j < DCOLS; j++) { | |
282 | buf[j] = mvinch(i, j); | |
283 | } | |
284 | r_write(fp, buf, DCOLS); | |
285 | } else { | |
286 | r_read(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); | |
287 | r_read(fp, buf, DCOLS); | |
288 | for (j = 0; j < DCOLS; j++) { | |
289 | mvaddch(i, j, buf[j]); | |
290 | } | |
291 | } | |
292 | } | |
293 | } | |
294 | ||
295 | rw_id(id_table, fp, n, wr) | |
296 | struct id id_table[]; | |
297 | FILE *fp; | |
298 | int n; | |
299 | boolean wr; | |
300 | { | |
301 | short i; | |
302 | ||
303 | for (i = 0; i < n; i++) { | |
304 | if (wr) { | |
305 | r_write(fp, (char *) &(id_table[i].value), sizeof(short)); | |
306 | r_write(fp, (char *) &(id_table[i].id_status), | |
307 | sizeof(unsigned short)); | |
308 | write_string(id_table[i].title, fp); | |
309 | } else { | |
310 | r_read(fp, (char *) &(id_table[i].value), sizeof(short)); | |
311 | r_read(fp, (char *) &(id_table[i].id_status), | |
312 | sizeof(unsigned short)); | |
313 | read_string(id_table[i].title, fp); | |
314 | } | |
315 | } | |
316 | } | |
317 | ||
318 | write_string(s, fp) | |
319 | char *s; | |
320 | FILE *fp; | |
321 | { | |
322 | short n; | |
323 | ||
324 | n = strlen(s) + 1; | |
325 | xxxx(s, n); | |
326 | r_write(fp, (char *) &n, sizeof(short)); | |
327 | r_write(fp, s, n); | |
328 | } | |
329 | ||
330 | read_string(s, fp) | |
331 | char *s; | |
332 | FILE *fp; | |
333 | { | |
334 | short n; | |
335 | ||
336 | r_read(fp, (char *) &n, sizeof(short)); | |
337 | r_read(fp, s, n); | |
338 | xxxx(s, n); | |
339 | } | |
340 | ||
341 | rw_rooms(fp, rw) | |
342 | FILE *fp; | |
343 | boolean rw; | |
344 | { | |
345 | short i; | |
346 | ||
347 | for (i = 0; i < MAXROOMS; i++) { | |
348 | rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) : | |
349 | r_read(fp, (char *) (rooms + i), sizeof(room)); | |
350 | } | |
351 | } | |
352 | ||
353 | r_read(fp, buf, n) | |
354 | FILE *fp; | |
355 | char *buf; | |
356 | int n; | |
357 | { | |
358 | if (fread(buf, sizeof(char), n, fp) != n) { | |
359 | clean_up("read() failed, don't know why"); | |
360 | } | |
361 | } | |
362 | ||
363 | r_write(fp, buf, n) | |
364 | FILE *fp; | |
365 | char *buf; | |
366 | int n; | |
367 | { | |
368 | if (!write_failed) { | |
369 | if (fwrite(buf, sizeof(char), n, fp) != n) { | |
370 | message("write() failed, don't know why", 0); | |
371 | sound_bell(); | |
372 | write_failed = 1; | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | boolean | |
378 | has_been_touched(saved_time, mod_time) | |
379 | struct rogue_time *saved_time, *mod_time; | |
380 | { | |
381 | if (saved_time->year < mod_time->year) { | |
382 | return(1); | |
383 | } else if (saved_time->year > mod_time->year) { | |
384 | return(0); | |
385 | } | |
386 | if (saved_time->month < mod_time->month) { | |
387 | return(1); | |
388 | } else if (saved_time->month > mod_time->month) { | |
389 | return(0); | |
390 | } | |
391 | if (saved_time->day < mod_time->day) { | |
392 | return(1); | |
393 | } else if (saved_time->day > mod_time->day) { | |
394 | return(0); | |
395 | } | |
396 | if (saved_time->hour < mod_time->hour) { | |
397 | return(1); | |
398 | } else if (saved_time->hour > mod_time->hour) { | |
399 | return(0); | |
400 | } | |
401 | if (saved_time->minute < mod_time->minute) { | |
402 | return(1); | |
403 | } else if (saved_time->minute > mod_time->minute) { | |
404 | return(0); | |
405 | } | |
406 | if (saved_time->second < mod_time->second) { | |
407 | return(1); | |
408 | } | |
409 | return(0); | |
410 | } |