| 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 | |
| 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 | |
| 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 | } |