From 013ac7742311556022304e8b30ca170d48b3a016 Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Thu, 7 May 2015 16:32:32 -0400 Subject: initial commit --- rogue/save.c | 427 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 427 insertions(+) create mode 100644 rogue/save.c (limited to 'rogue/save.c') diff --git a/rogue/save.c b/rogue/save.c new file mode 100644 index 0000000..4a7190a --- /dev/null +++ b/rogue/save.c @@ -0,0 +1,427 @@ +/* $NetBSD: save.c,v 1.13 2008/01/14 03:50:02 dholland Exp $ */ + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Timothy C. Stoehr. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#ifndef lint +#if 0 +static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93"; +#else +__RCSID("$NetBSD: save.c,v 1.13 2008/01/14 03:50:02 dholland Exp $"); +#endif +#endif /* not lint */ + +/* + * save.c + * + * This source herein may be modified and/or distributed by anybody who + * so desires, with the following restrictions: + * 1.) No portion of this notice shall be removed. + * 2.) Credit shall not be taken for the creation of this source. + * 3.) This code is not to be traded, sold, or used for personal + * gain or profit. + * + */ + +#include +#include "rogue.h" + +static boolean has_been_touched(const struct rogue_time *, + const struct rogue_time *); +static void r_read(FILE *, void *, size_t); +static void r_write(FILE *, const void *, size_t); +static void read_pack(object *, FILE *, boolean); +static void read_string(char *, FILE *, size_t); +static void rw_dungeon(FILE *, boolean); +static void rw_id(struct id *, FILE *, int, boolean); +static void rw_rooms(FILE *, boolean); +static void write_pack(const object *, FILE *); +static void write_string(char *, FILE *); + +static short write_failed = 0; + +char *save_file = NULL; + +void +save_game(void) +{ + char fname[64]; + + if (!get_input_line("file name?", save_file, fname, sizeof(fname), + "game not saved", 0, 1)) { + return; + } + check_message(); + messagef(0, "%s", fname); + save_into_file(fname); +} + +void +save_into_file(const char *sfile) +{ + FILE *fp; + int file_id; + char *name_buffer; + size_t len; + char *hptr; + struct rogue_time rt_buf; + + if (sfile[0] == '~') { + if ((hptr = md_getenv("HOME")) != NULL) { + len = strlen(hptr) + strlen(sfile); + name_buffer = md_malloc(len); + if (name_buffer == NULL) { + messagef(0, + "out of memory for save file name"); + sfile = error_file; + } else { + (void)strcpy(name_buffer, hptr); + (void)strcat(name_buffer, sfile+1); + sfile = name_buffer; + } + /* + * Note: name_buffer gets leaked. But it's small, + * and in the common case we're about to exit. + */ + } + } + if (((fp = fopen(sfile, "w")) == NULL) || + ((file_id = md_get_file_id(sfile)) == -1)) { + if (fp) + fclose(fp); + messagef(0, "problem accessing the save file"); + return; + } + md_ignore_signals(); + write_failed = 0; + (void)xxx(1); + r_write(fp, &detect_monster, sizeof(detect_monster)); + r_write(fp, &cur_level, sizeof(cur_level)); + r_write(fp, &max_level, sizeof(max_level)); + write_string(hunger_str, fp); + write_string(login_name, fp); + r_write(fp, &party_room, sizeof(party_room)); + write_pack(&level_monsters, fp); + write_pack(&level_objects, fp); + r_write(fp, &file_id, sizeof(file_id)); + rw_dungeon(fp, 1); + r_write(fp, &foods, sizeof(foods)); + r_write(fp, &rogue, sizeof(fighter)); + write_pack(&rogue.pack, fp); + rw_id(id_potions, fp, POTIONS, 1); + rw_id(id_scrolls, fp, SCROLS, 1); + rw_id(id_wands, fp, WANDS, 1); + rw_id(id_rings, fp, RINGS, 1); + r_write(fp, traps, (MAX_TRAPS * sizeof(trap))); + r_write(fp, is_wood, (WANDS * sizeof(boolean))); + r_write(fp, &cur_room, sizeof(cur_room)); + rw_rooms(fp, 1); + r_write(fp, &being_held, sizeof(being_held)); + r_write(fp, &bear_trap, sizeof(bear_trap)); + r_write(fp, &halluc, sizeof(halluc)); + r_write(fp, &blind, sizeof(blind)); + r_write(fp, &confused, sizeof(confused)); + r_write(fp, &levitate, sizeof(levitate)); + r_write(fp, &haste_self, sizeof(haste_self)); + r_write(fp, &see_invisible, sizeof(see_invisible)); + r_write(fp, &detect_monster, sizeof(detect_monster)); + r_write(fp, &wizard, sizeof(wizard)); + r_write(fp, &score_only, sizeof(score_only)); + r_write(fp, &m_moves, sizeof(m_moves)); + md_gct(&rt_buf); + rt_buf.second += 10; /* allow for some processing time */ + r_write(fp, &rt_buf, sizeof(rt_buf)); + fclose(fp); + + if (write_failed) { + (void)md_df(sfile); /* delete file */ + } else { + clean_up(""); + } +} + +void +restore(const char *fname) +{ + FILE *fp; + struct rogue_time saved_time, mod_time; + char buf[4]; + char tbuf[MAX_OPT_LEN]; + int new_file_id, saved_file_id; + + fp = NULL; + if (((new_file_id = md_get_file_id(fname)) == -1) || + ((fp = fopen(fname, "r")) == NULL)) { + clean_up("cannot open file"); + } + if (md_link_count(fname) > 1) { + clean_up("file has link"); + } + (void)xxx(1); + r_read(fp, &detect_monster, sizeof(detect_monster)); + r_read(fp, &cur_level, sizeof(cur_level)); + r_read(fp, &max_level, sizeof(max_level)); + read_string(hunger_str, fp, sizeof hunger_str); + + (void)strlcpy(tbuf, login_name, sizeof tbuf); + read_string(login_name, fp, sizeof login_name); + if (strcmp(tbuf, login_name)) { + clean_up("you're not the original player"); + } + + r_read(fp, &party_room, sizeof(party_room)); + read_pack(&level_monsters, fp, 0); + read_pack(&level_objects, fp, 0); + r_read(fp, &saved_file_id, sizeof(saved_file_id)); + if (new_file_id != saved_file_id) { + clean_up("sorry, saved game is not in the same file"); + } + rw_dungeon(fp, 0); + r_read(fp, &foods, sizeof(foods)); + r_read(fp, &rogue, sizeof(fighter)); + read_pack(&rogue.pack, fp, 1); + rw_id(id_potions, fp, POTIONS, 0); + rw_id(id_scrolls, fp, SCROLS, 0); + rw_id(id_wands, fp, WANDS, 0); + rw_id(id_rings, fp, RINGS, 0); + r_read(fp, traps, (MAX_TRAPS * sizeof(trap))); + r_read(fp, is_wood, (WANDS * sizeof(boolean))); + r_read(fp, &cur_room, sizeof(cur_room)); + rw_rooms(fp, 0); + r_read(fp, &being_held, sizeof(being_held)); + r_read(fp, &bear_trap, sizeof(bear_trap)); + r_read(fp, &halluc, sizeof(halluc)); + r_read(fp, &blind, sizeof(blind)); + r_read(fp, &confused, sizeof(confused)); + r_read(fp, &levitate, sizeof(levitate)); + r_read(fp, &haste_self, sizeof(haste_self)); + r_read(fp, &see_invisible, sizeof(see_invisible)); + r_read(fp, &detect_monster, sizeof(detect_monster)); + r_read(fp, &wizard, sizeof(wizard)); + r_read(fp, &score_only, sizeof(score_only)); + r_read(fp, &m_moves, sizeof(m_moves)); + r_read(fp, &saved_time, sizeof(saved_time)); + + if (fread(buf, 1, 1, fp) > 0) { + clear(); + clean_up("extra characters in file"); + } + + md_gfmt(fname, &mod_time); /* get file modification time */ + + if (has_been_touched(&saved_time, &mod_time)) { + clear(); + clean_up("sorry, file has been touched"); + } + if ((!wizard) && !md_df(fname)) { + clean_up("cannot delete file"); + } + msg_cleared = 0; + ring_stats(0); + fclose(fp); +} + +static void +write_pack(const object *pack, FILE *fp) +{ + object t; + + while ((pack = pack->next_object) != NULL) { + r_write(fp, pack, sizeof(object)); + } + t.ichar = t.what_is = 0; + r_write(fp, &t, sizeof(object)); +} + +static void +read_pack(object *pack, FILE *fp, boolean is_rogue) +{ + object read_obj, *new_obj; + + for (;;) { + r_read(fp, &read_obj, sizeof(object)); + if (read_obj.ichar == 0) { + pack->next_object = NULL; + break; + } + new_obj = alloc_object(); + *new_obj = read_obj; + if (is_rogue) { + if (new_obj->in_use_flags & BEING_WORN) { + do_wear(new_obj); + } else if (new_obj->in_use_flags & BEING_WIELDED) { + do_wield(new_obj); + } else if (new_obj->in_use_flags & (ON_EITHER_HAND)) { + do_put_on(new_obj, + ((new_obj->in_use_flags & ON_LEFT_HAND) ? 1 : 0)); + } + } + pack->next_object = new_obj; + pack = new_obj; + } +} + +static void +rw_dungeon(FILE *fp, boolean rw) +{ + short i, j; + char buf[DCOLS]; + + for (i = 0; i < DROWS; i++) { + if (rw) { + r_write(fp, dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); + for (j = 0; j < DCOLS; j++) { + buf[j] = mvinch(i, j); + } + r_write(fp, buf, DCOLS); + } else { + r_read(fp, dungeon[i], (DCOLS * sizeof(dungeon[0][0]))); + r_read(fp, buf, DCOLS); + for (j = 0; j < DCOLS; j++) { + mvaddch(i, j, buf[j]); + } + } + } +} + +static void +rw_id(struct id id_table[], FILE *fp, int n, boolean wr) +{ + int i; + + for (i = 0; i < n; i++) { + if (wr) { + r_write(fp, &id_table[i].value, sizeof(short)); + r_write(fp, &id_table[i].id_status, + sizeof(unsigned short)); + write_string(id_table[i].title, fp); + } else { + r_read(fp, &id_table[i].value, sizeof(short)); + r_read(fp, &id_table[i].id_status, + sizeof(unsigned short)); + read_string(id_table[i].title, fp, MAX_ID_TITLE_LEN); + } + } +} + +static void +write_string(char *s, FILE *fp) +{ + short n; + + n = strlen(s) + 1; + xxxx(s, n); + r_write(fp, &n, sizeof(short)); + r_write(fp, s, n); +} + +static void +read_string(char *s, FILE *fp, size_t len) +{ + short n; + + r_read(fp, &n, sizeof(short)); + if (n<=0 || (size_t)(unsigned short)n > len) { + clean_up("read_string: corrupt game file"); + } + r_read(fp, s, n); + xxxx(s, n); + /* ensure null termination */ + s[n-1] = 0; +} + +static void +rw_rooms(FILE *fp, boolean rw) +{ + short i; + + for (i = 0; i < MAXROOMS; i++) { + rw ? r_write(fp, (rooms + i), sizeof(room)) : + r_read(fp, (rooms + i), sizeof(room)); + } +} + +static void +r_read(FILE *fp, void *buf, size_t n) +{ + if (fread(buf, 1, n, fp) != n) { + clean_up("fread() failed, don't know why"); + } +} + +static void +r_write(FILE *fp, const void *buf, size_t n) +{ + if (!write_failed) { + if (fwrite(buf, 1, n, fp) != n) { + messagef(0, "write() failed, don't know why"); + sound_bell(); + write_failed = 1; + } + } +} + +static boolean +has_been_touched(const struct rogue_time *saved_time, + const struct rogue_time *mod_time) +{ + if (saved_time->year < mod_time->year) { + return(1); + } else if (saved_time->year > mod_time->year) { + return(0); + } + if (saved_time->month < mod_time->month) { + return(1); + } else if (saved_time->month > mod_time->month) { + return(0); + } + if (saved_time->day < mod_time->day) { + return(1); + } else if (saved_time->day > mod_time->day) { + return(0); + } + if (saved_time->hour < mod_time->hour) { + return(1); + } else if (saved_time->hour > mod_time->hour) { + return(0); + } + if (saved_time->minute < mod_time->minute) { + return(1); + } else if (saved_time->minute > mod_time->minute) { + return(0); + } + if (saved_time->second < mod_time->second) { + return(1); + } + return(0); +} -- cgit v1.2.3