1 /* 2 * save.c 3 * 4 * This source herein may be modified and/or distributed by anybody who 5 * so desires, with the following restrictions: 6 * 1.) No portion of this notice shall be removed. 7 * 2.) Credit shall not be taken for the creation of this source. 8 * 3.) This code is not to be traded, sold, or used for personal 9 * gain or profit. 10 * 11 */ 12 13 #ifndef lint 14 static char sccsid[] = "@(#)save.c 5.1 (Berkeley) 11/25/87"; 15 #endif /* not lint */ 16 17 #include <stdio.h> 18 #include "rogue.h" 19 20 short write_failed = 0; 21 char *save_file = (char *) 0; 22 23 extern boolean detect_monster; 24 extern short cur_level, max_level; 25 extern char hunger_str[]; 26 extern char login_name[]; 27 extern short party_room; 28 extern short foods; 29 extern boolean is_wood[]; 30 extern short cur_room; 31 extern boolean being_held; 32 extern short bear_trap; 33 extern short halluc; 34 extern short blind; 35 extern short confused; 36 extern short levitate; 37 extern short haste_self; 38 extern boolean see_invisible; 39 extern boolean detect_monster; 40 extern boolean wizard; 41 extern boolean score_only; 42 extern short m_moves; 43 44 extern boolean msg_cleared; 45 46 save_game() 47 { 48 char fname[64]; 49 50 if (!get_input_line("file name?", save_file, fname, "game not saved", 51 0, 1)) { 52 return; 53 } 54 check_message(); 55 message(fname, 0); 56 save_into_file(fname); 57 } 58 59 save_into_file(sfile) 60 char *sfile; 61 { 62 FILE *fp; 63 int file_id; 64 char name_buffer[80]; 65 char *hptr; 66 struct rogue_time rt_buf; 67 68 if (sfile[0] == '~') { 69 if (hptr = md_getenv("HOME")) { 70 (void) strcpy(name_buffer, hptr); 71 (void) strcat(name_buffer, sfile+1); 72 sfile = name_buffer; 73 } 74 } 75 if ( ((fp = fopen(sfile, "w")) == NULL) || 76 ((file_id = md_get_file_id(sfile)) == -1)) { 77 message("problem accessing the save file", 0); 78 return; 79 } 80 md_ignore_signals(); 81 write_failed = 0; 82 (void) xxx(1); 83 r_write(fp, (char *) &detect_monster, sizeof(detect_monster)); 84 r_write(fp, (char *) &cur_level, sizeof(cur_level)); 85 r_write(fp, (char *) &max_level, sizeof(max_level)); 86 write_string(hunger_str, fp); 87 write_string(login_name, fp); 88 r_write(fp, (char *) &party_room, sizeof(party_room)); 89 write_pack(&level_monsters, fp); 90 write_pack(&level_objects, fp); 91 r_write(fp, (char *) &file_id, sizeof(file_id)); 92 rw_dungeon(fp, 1); 93 r_write(fp, (char *) &foods, sizeof(foods)); 94 r_write(fp, (char *) &rogue, sizeof(fighter)); 95 write_pack(&rogue.pack, fp); 96 rw_id(id_potions, fp, POTIONS, 1); 97 rw_id(id_scrolls, fp, SCROLS, 1); 98 rw_id(id_wands, fp, WANDS, 1); 99 rw_id(id_rings, fp, RINGS, 1); 100 r_write(fp, (char *) traps, (MAX_TRAPS * sizeof(trap))); 101 r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean))); 102 r_write(fp, (char *) &cur_room, sizeof(cur_room)); 103 rw_rooms(fp, 1); 104 r_write(fp, (char *) &being_held, sizeof(being_held)); 105 r_write(fp, (char *) &bear_trap, sizeof(bear_trap)); 106 r_write(fp, (char *) &halluc, sizeof(halluc)); 107 r_write(fp, (char *) &blind, sizeof(blind)); 108 r_write(fp, (char *) &confused, sizeof(confused)); 109 r_write(fp, (char *) &levitate, sizeof(levitate)); 110 r_write(fp, (char *) &haste_self, sizeof(haste_self)); 111 r_write(fp, (char *) &see_invisible, sizeof(see_invisible)); 112 r_write(fp, (char *) &detect_monster, sizeof(detect_monster)); 113 r_write(fp, (char *) &wizard, sizeof(wizard)); 114 r_write(fp, (char *) &score_only, sizeof(score_only)); 115 r_write(fp, (char *) &m_moves, sizeof(m_moves)); 116 md_gct(&rt_buf); 117 rt_buf.second += 10; /* allow for some processing time */ 118 r_write(fp, (char *) &rt_buf, sizeof(rt_buf)); 119 fclose(fp); 120 121 if (write_failed) { 122 (void) md_df(sfile); /* delete file */ 123 } else { 124 clean_up(""); 125 } 126 } 127 128 restore(fname) 129 char *fname; 130 { 131 FILE *fp; 132 struct rogue_time saved_time, mod_time; 133 char buf[4]; 134 char tbuf[40]; 135 int new_file_id, saved_file_id; 136 137 if ( ((new_file_id = md_get_file_id(fname)) == -1) || 138 ((fp = fopen(fname, "r")) == NULL)) { 139 clean_up("cannot open file"); 140 } 141 if (md_link_count(fname) > 1) { 142 clean_up("file has link"); 143 } 144 (void) xxx(1); 145 r_read(fp, (char *) &detect_monster, sizeof(detect_monster)); 146 r_read(fp, (char *) &cur_level, sizeof(cur_level)); 147 r_read(fp, (char *) &max_level, sizeof(max_level)); 148 read_string(hunger_str, fp); 149 150 (void) strcpy(tbuf, login_name); 151 read_string(login_name, fp); 152 if (strcmp(tbuf, login_name)) { 153 clean_up("you're not the original player"); 154 } 155 156 r_read(fp, (char *) &party_room, sizeof(party_room)); 157 read_pack(&level_monsters, fp, 0); 158 read_pack(&level_objects, fp, 0); 159 r_read(fp, (char *) &saved_file_id, sizeof(saved_file_id)); 160 if (new_file_id != saved_file_id) { 161 clean_up("sorry, saved game is not in the same file"); 162 } 163 rw_dungeon(fp, 0); 164 r_read(fp, (char *) &foods, sizeof(foods)); 165 r_read(fp, (char *) &rogue, sizeof(fighter)); 166 read_pack(&rogue.pack, fp, 1); 167 rw_id(id_potions, fp, POTIONS, 0); 168 rw_id(id_scrolls, fp, SCROLS, 0); 169 rw_id(id_wands, fp, WANDS, 0); 170 rw_id(id_rings, fp, RINGS, 0); 171 r_read(fp, (char *) traps, (MAX_TRAPS * sizeof(trap))); 172 r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean))); 173 r_read(fp, (char *) &cur_room, sizeof(cur_room)); 174 rw_rooms(fp, 0); 175 r_read(fp, (char *) &being_held, sizeof(being_held)); 176 r_read(fp, (char *) &bear_trap, sizeof(bear_trap)); 177 r_read(fp, (char *) &halluc, sizeof(halluc)); 178 r_read(fp, (char *) &blind, sizeof(blind)); 179 r_read(fp, (char *) &confused, sizeof(confused)); 180 r_read(fp, (char *) &levitate, sizeof(levitate)); 181 r_read(fp, (char *) &haste_self, sizeof(haste_self)); 182 r_read(fp, (char *) &see_invisible, sizeof(see_invisible)); 183 r_read(fp, (char *) &detect_monster, sizeof(detect_monster)); 184 r_read(fp, (char *) &wizard, sizeof(wizard)); 185 r_read(fp, (char *) &score_only, sizeof(score_only)); 186 r_read(fp, (char *) &m_moves, sizeof(m_moves)); 187 r_read(fp, (char *) &saved_time, sizeof(saved_time)); 188 189 if (fread(buf, sizeof(char), 1, fp) > 0) { 190 clear(); 191 clean_up("extra characters in file"); 192 } 193 194 md_gfmt(fname, &mod_time); /* get file modification time */ 195 196 if (has_been_touched(&saved_time, &mod_time)) { 197 clear(); 198 clean_up("sorry, file has been touched"); 199 } 200 if ((!wizard) && !md_df(fname)) { 201 clean_up("cannot delete file"); 202 } 203 msg_cleared = 0; 204 ring_stats(0); 205 fclose(fp); 206 } 207 208 write_pack(pack, fp) 209 object *pack; 210 FILE *fp; 211 { 212 object t; 213 214 while (pack = pack->next_object) { 215 r_write(fp, (char *) pack, sizeof(object)); 216 } 217 t.ichar = t.what_is = 0; 218 r_write(fp, (char *) &t, sizeof(object)); 219 } 220 221 read_pack(pack, fp, is_rogue) 222 object *pack; 223 FILE *fp; 224 boolean is_rogue; 225 { 226 object read_obj, *new_obj; 227 228 for (;;) { 229 r_read(fp, (char *) &read_obj, sizeof(object)); 230 if (read_obj.ichar == 0) { 231 pack->next_object = (object *) 0; 232 break; 233 } 234 new_obj = alloc_object(); 235 *new_obj = read_obj; 236 if (is_rogue) { 237 if (new_obj->in_use_flags & BEING_WORN) { 238 do_wear(new_obj); 239 } else if (new_obj->in_use_flags & BEING_WIELDED) { 240 do_wield(new_obj); 241 } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) { 242 do_put_on(new_obj, 243 ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0)); 244 } 245 } 246 pack->next_object = new_obj; 247 pack = new_obj; 248 } 249 } 250 251 rw_dungeon(fp, rw) 252 FILE *fp; 253 boolean rw; 254 { 255 short i, j; 256 char buf[DCOLS]; 257 258 for (i = 0; i < DROWS; i++) { 259 if (rw) { 260 r_write(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); 261 for (j = 0; j < DCOLS; j++) { 262 buf[j] = mvinch(i, j); 263 } 264 r_write(fp, buf, DCOLS); 265 } else { 266 r_read(fp, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); 267 r_read(fp, buf, DCOLS); 268 for (j = 0; j < DCOLS; j++) { 269 mvaddch(i, j, buf[j]); 270 } 271 } 272 } 273 } 274 275 rw_id(id_table, fp, n, wr) 276 struct id id_table[]; 277 FILE *fp; 278 int n; 279 boolean wr; 280 { 281 short i; 282 283 for (i = 0; i < n; i++) { 284 if (wr) { 285 r_write(fp, (char *) &(id_table[i].value), sizeof(short)); 286 r_write(fp, (char *) &(id_table[i].id_status), 287 sizeof(unsigned short)); 288 write_string(id_table[i].title, fp); 289 } else { 290 r_read(fp, (char *) &(id_table[i].value), sizeof(short)); 291 r_read(fp, (char *) &(id_table[i].id_status), 292 sizeof(unsigned short)); 293 read_string(id_table[i].title, fp); 294 } 295 } 296 } 297 298 write_string(s, fp) 299 char *s; 300 FILE *fp; 301 { 302 short n; 303 304 n = strlen(s) + 1; 305 xxxx(s, n); 306 r_write(fp, (char *) &n, sizeof(short)); 307 r_write(fp, s, n); 308 } 309 310 read_string(s, fp) 311 char *s; 312 FILE *fp; 313 { 314 short n; 315 316 r_read(fp, (char *) &n, sizeof(short)); 317 r_read(fp, s, n); 318 xxxx(s, n); 319 } 320 321 rw_rooms(fp, rw) 322 FILE *fp; 323 boolean rw; 324 { 325 short i; 326 327 for (i = 0; i < MAXROOMS; i++) { 328 rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) : 329 r_read(fp, (char *) (rooms + i), sizeof(room)); 330 } 331 } 332 333 r_read(fp, buf, n) 334 FILE *fp; 335 char *buf; 336 int n; 337 { 338 if (fread(buf, sizeof(char), n, fp) != n) { 339 clean_up("read() failed, don't know why"); 340 } 341 } 342 343 r_write(fp, buf, n) 344 FILE *fp; 345 char *buf; 346 int n; 347 { 348 if (!write_failed) { 349 if (fwrite(buf, sizeof(char), n, fp) != n) { 350 message("write() failed, don't know why", 0); 351 sound_bell(); 352 write_failed = 1; 353 } 354 } 355 } 356 357 boolean 358 has_been_touched(saved_time, mod_time) 359 struct rogue_time *saved_time, *mod_time; 360 { 361 if (saved_time->year < mod_time->year) { 362 return(1); 363 } else if (saved_time->year > mod_time->year) { 364 return(0); 365 } 366 if (saved_time->month < mod_time->month) { 367 return(1); 368 } else if (saved_time->month > mod_time->month) { 369 return(0); 370 } 371 if (saved_time->day < mod_time->day) { 372 return(1); 373 } else if (saved_time->day > mod_time->day) { 374 return(0); 375 } 376 if (saved_time->hour < mod_time->hour) { 377 return(1); 378 } else if (saved_time->hour > mod_time->hour) { 379 return(0); 380 } 381 if (saved_time->minute < mod_time->minute) { 382 return(1); 383 } else if (saved_time->minute > mod_time->minute) { 384 return(0); 385 } 386 if (saved_time->second < mod_time->second) { 387 return(1); 388 } 389 return(0); 390 } 391