4.4BSD/usr/src/games/rogue/save.c
/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#ifndef lint
static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93";
#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 <stdio.h>
#include "rogue.h"
short write_failed = 0;
char *save_file = (char *) 0;
extern boolean detect_monster;
extern short cur_level, max_level;
extern char hunger_str[];
extern char login_name[];
extern short party_room;
extern short foods;
extern boolean is_wood[];
extern short cur_room;
extern boolean being_held;
extern short bear_trap;
extern short halluc;
extern short blind;
extern short confused;
extern short levitate;
extern short haste_self;
extern boolean see_invisible;
extern boolean detect_monster;
extern boolean wizard;
extern boolean score_only;
extern short m_moves;
extern boolean msg_cleared;
save_game()
{
char fname[64];
if (!get_input_line("file name?", save_file, fname, "game not saved",
0, 1)) {
return;
}
check_message();
message(fname, 0);
save_into_file(fname);
}
save_into_file(sfile)
char *sfile;
{
FILE *fp;
int file_id;
char name_buffer[80];
char *hptr;
struct rogue_time rt_buf;
if (sfile[0] == '~') {
if (hptr = md_getenv("HOME")) {
(void) strcpy(name_buffer, hptr);
(void) strcat(name_buffer, sfile+1);
sfile = name_buffer;
}
}
if ( ((fp = fopen(sfile, "w")) == NULL) ||
((file_id = md_get_file_id(sfile)) == -1)) {
message("problem accessing the save file", 0);
return;
}
md_ignore_signals();
write_failed = 0;
(void) xxx(1);
r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
r_write(fp, (char *) &cur_level, sizeof(cur_level));
r_write(fp, (char *) &max_level, sizeof(max_level));
write_string(hunger_str, fp);
write_string(login_name, fp);
r_write(fp, (char *) &party_room, sizeof(party_room));
write_pack(&level_monsters, fp);
write_pack(&level_objects, fp);
r_write(fp, (char *) &file_id, sizeof(file_id));
rw_dungeon(fp, 1);
r_write(fp, (char *) &foods, sizeof(foods));
r_write(fp, (char *) &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, (char *) traps, (MAX_TRAPS * sizeof(trap)));
r_write(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
r_write(fp, (char *) &cur_room, sizeof(cur_room));
rw_rooms(fp, 1);
r_write(fp, (char *) &being_held, sizeof(being_held));
r_write(fp, (char *) &bear_trap, sizeof(bear_trap));
r_write(fp, (char *) &halluc, sizeof(halluc));
r_write(fp, (char *) &blind, sizeof(blind));
r_write(fp, (char *) &confused, sizeof(confused));
r_write(fp, (char *) &levitate, sizeof(levitate));
r_write(fp, (char *) &haste_self, sizeof(haste_self));
r_write(fp, (char *) &see_invisible, sizeof(see_invisible));
r_write(fp, (char *) &detect_monster, sizeof(detect_monster));
r_write(fp, (char *) &wizard, sizeof(wizard));
r_write(fp, (char *) &score_only, sizeof(score_only));
r_write(fp, (char *) &m_moves, sizeof(m_moves));
md_gct(&rt_buf);
rt_buf.second += 10; /* allow for some processing time */
r_write(fp, (char *) &rt_buf, sizeof(rt_buf));
fclose(fp);
if (write_failed) {
(void) md_df(sfile); /* delete file */
} else {
clean_up("");
}
}
restore(fname)
char *fname;
{
FILE *fp;
struct rogue_time saved_time, mod_time;
char buf[4];
char tbuf[40];
int new_file_id, saved_file_id;
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, (char *) &detect_monster, sizeof(detect_monster));
r_read(fp, (char *) &cur_level, sizeof(cur_level));
r_read(fp, (char *) &max_level, sizeof(max_level));
read_string(hunger_str, fp);
(void) strcpy(tbuf, login_name);
read_string(login_name, fp);
if (strcmp(tbuf, login_name)) {
clean_up("you're not the original player");
}
r_read(fp, (char *) &party_room, sizeof(party_room));
read_pack(&level_monsters, fp, 0);
read_pack(&level_objects, fp, 0);
r_read(fp, (char *) &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, (char *) &foods, sizeof(foods));
r_read(fp, (char *) &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, (char *) traps, (MAX_TRAPS * sizeof(trap)));
r_read(fp, (char *) is_wood, (WANDS * sizeof(boolean)));
r_read(fp, (char *) &cur_room, sizeof(cur_room));
rw_rooms(fp, 0);
r_read(fp, (char *) &being_held, sizeof(being_held));
r_read(fp, (char *) &bear_trap, sizeof(bear_trap));
r_read(fp, (char *) &halluc, sizeof(halluc));
r_read(fp, (char *) &blind, sizeof(blind));
r_read(fp, (char *) &confused, sizeof(confused));
r_read(fp, (char *) &levitate, sizeof(levitate));
r_read(fp, (char *) &haste_self, sizeof(haste_self));
r_read(fp, (char *) &see_invisible, sizeof(see_invisible));
r_read(fp, (char *) &detect_monster, sizeof(detect_monster));
r_read(fp, (char *) &wizard, sizeof(wizard));
r_read(fp, (char *) &score_only, sizeof(score_only));
r_read(fp, (char *) &m_moves, sizeof(m_moves));
r_read(fp, (char *) &saved_time, sizeof(saved_time));
if (fread(buf, sizeof(char), 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);
}
write_pack(pack, fp)
object *pack;
FILE *fp;
{
object t;
while (pack = pack->next_object) {
r_write(fp, (char *) pack, sizeof(object));
}
t.ichar = t.what_is = 0;
r_write(fp, (char *) &t, sizeof(object));
}
read_pack(pack, fp, is_rogue)
object *pack;
FILE *fp;
boolean is_rogue;
{
object read_obj, *new_obj;
for (;;) {
r_read(fp, (char *) &read_obj, sizeof(object));
if (read_obj.ichar == 0) {
pack->next_object = (object *) 0;
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;
}
}
rw_dungeon(fp, rw)
FILE *fp;
boolean rw;
{
short i, j;
char buf[DCOLS];
for (i = 0; i < DROWS; i++) {
if (rw) {
r_write(fp, (char *) 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, (char *) dungeon[i], (DCOLS * sizeof(dungeon[0][0])));
r_read(fp, buf, DCOLS);
for (j = 0; j < DCOLS; j++) {
mvaddch(i, j, buf[j]);
}
}
}
}
rw_id(id_table, fp, n, wr)
struct id id_table[];
FILE *fp;
int n;
boolean wr;
{
short i;
for (i = 0; i < n; i++) {
if (wr) {
r_write(fp, (char *) &(id_table[i].value), sizeof(short));
r_write(fp, (char *) &(id_table[i].id_status),
sizeof(unsigned short));
write_string(id_table[i].title, fp);
} else {
r_read(fp, (char *) &(id_table[i].value), sizeof(short));
r_read(fp, (char *) &(id_table[i].id_status),
sizeof(unsigned short));
read_string(id_table[i].title, fp);
}
}
}
write_string(s, fp)
char *s;
FILE *fp;
{
short n;
n = strlen(s) + 1;
xxxx(s, n);
r_write(fp, (char *) &n, sizeof(short));
r_write(fp, s, n);
}
read_string(s, fp)
char *s;
FILE *fp;
{
short n;
r_read(fp, (char *) &n, sizeof(short));
r_read(fp, s, n);
xxxx(s, n);
}
rw_rooms(fp, rw)
FILE *fp;
boolean rw;
{
short i;
for (i = 0; i < MAXROOMS; i++) {
rw ? r_write(fp, (char *) (rooms + i), sizeof(room)) :
r_read(fp, (char *) (rooms + i), sizeof(room));
}
}
r_read(fp, buf, n)
FILE *fp;
char *buf;
int n;
{
if (fread(buf, sizeof(char), n, fp) != n) {
clean_up("read() failed, don't know why");
}
}
r_write(fp, buf, n)
FILE *fp;
char *buf;
int n;
{
if (!write_failed) {
if (fwrite(buf, sizeof(char), n, fp) != n) {
message("write() failed, don't know why", 0);
sound_bell();
write_failed = 1;
}
}
}
boolean
has_been_touched(saved_time, mod_time)
struct rogue_time *saved_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);
}