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state.c
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/*
state.c - Portable Rogue Save State Code
Copyright (C) 1999, 2000, 2005, 2007 Nicholas J. Kisseberth
All rights reserved.
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(s) of the author(s) nor the names of other contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) 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 AUTHOR(S) 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.
*/
/************************************************************************/
/* Save State Code */
/************************************************************************/
#define RSID_STATS 0xABCD0001
#define RSID_MSTATS 0xABCD0002
#define RSID_THING 0xABCD0003
#define RSID_OBJECT 0xABCD0004
#define RSID_MAGICITEMS 0xABCD0005
#define RSID_KNOWS 0xABCD0006
#define RSID_GUESSES 0xABCD0007
#define RSID_OBJECTLIST 0xABCD0008
#define RSID_BAGOBJECT 0xABCD0009
#define RSID_MONSTERLIST 0xABCD000A
#define RSID_MONSTERSTATS 0xABCD000B
#define RSID_MONSTERS 0xABCD000C
#define RSID_TRAP 0xABCD000D
#define RSID_WINDOW 0xABCD000E
#define RSID_DAEMONS 0xABCD000F
#define RSID_STICKS 0xABCD0010
#define RSID_IARMOR 0xABCD0011
#define RSID_SPELLS 0xABCD0012
#define RSID_ILIST 0xABCD0013
#define RSID_HLIST 0xABCD0014
#define RSID_DEATHTYPE 0xABCD0015
#define RSID_CTYPES 0XABCD0016
#define RSID_COORDLIST 0XABCD0017
#define RSID_ROOMS 0XABCD0018
#define RSID_ARTIFACT 0xABCD0019
#include <curses.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include "rogue.h"
void rs_write_object_list(EFILE *efp, struct linked_list *l);
void rs_read_object_list(EFILE *efp, struct linked_list **list);
/* we keep these to get some type checking enforced */
void
rs_write_char(EFILE *efp, char c)
{
efwriten(&c, 1, efp);
}
void rs_read_char(EFILE *efp, char *c)
{
efreadn(c, 1, efp);
}
void
rs_write_int(EFILE *efp, int c)
{
efwriten(&c, 4, efp);
}
void
rs_read_int(EFILE *efp, int *i)
{
efreadn(i, 4, efp);
}
void
rs_write_uint(EFILE *efp, unsigned int c)
{
efwriten(&c, 4, efp);
}
void
rs_read_uint(EFILE *efp, unsigned int *i)
{
efreadn(i, 4, efp);
}
void
rs_write_chars(EFILE *efp, char *c, int nitems)
{
efwriten(&nitems, 4, efp);
efwrite(c,1,nitems,efp);
}
void
rs_read_chars(EFILE *efp, char *i, int nitems)
{
int count;
efreadn(&count, 4, efp);
if (!eferror(efp) && nitems != count)
efseterr(efp, EILSEQ);
efread(i,1,count,efp);
}
void
rs_write_marker(EFILE *efp, int id)
{
rs_write_int(efp, id);
}
void
rs_read_marker(EFILE *efp, int id)
{
int nid;
rs_read_int(efp, &nid);
if (!eferror(efp) && (id != nid))
efseterr(efp, EILSEQ);
}
/******************************************************************************/
void *
get_list_item(struct linked_list *l, int i)
{
int count;
for(count = 0; l != NULL; count++, l = l->l_next)
if (count == i)
return(l->l_data);
return(NULL);
}
int
find_list_ptr(struct linked_list *l, void *ptr)
{
int count;
for(count = 0; l != NULL; count++, l = l->l_next)
if (l->l_data == ptr)
return(count);
return(-1);
}
int
list_size(struct linked_list *l)
{
int count;
for(count = 0; l != NULL; count++, l = l->l_next)
;
return(count);
}
/******************************************************************************/
void
rs_write_string(EFILE *efp, char *s)
{
int len = 0;
len = (s == NULL) ? 0 : (int) strlen(s) + 1;
efwriten(&len,4,efp);
efwrite(s,1,len,efp);
}
void
rs_read_string(EFILE *efp, char *s, int max)
{
int len = 0;
efreadn(&len, 4, efp);
if (!eferror(efp) && (len > max))
efseterr(efp, EILSEQ);
else
efread(s,1,len,efp);
}
void
rs_read_new_string(EFILE *efp, char **s)
{
int len=0;
char *buf=0;
efreadn(&len, 4, efp);
if (eferror(efp))
return;
if (len == 0)
buf = NULL;
else
{
buf = malloc(len);
if (buf == NULL)
efseterr(efp, ENOMEM);
}
efread(buf,1,len,efp);
*s = buf;
}
void
rs_write_string_index(EFILE *efp, char *master[], int max, const char *str)
{
int i;
for(i = 0; i < max; i++)
if (str == master[i])
{
rs_write_int(efp, i);
return;
}
rs_write_int(efp,-1);
}
void
rs_read_string_index(EFILE *efp, char *master[], int maxindex, char **str)
{
int i;
rs_read_int(efp, &i);
if (!eferror(efp) && (i > maxindex))
efseterr(efp, EILSEQ);
else if (i >= 0)
*str = master[i];
else
*str = NULL;
}
void
rs_write_string_cindex(EFILE *efp, char *src, char *dst)
{
if ((src == NULL) || (dst == NULL) || (dst <= src))
efseterr(efp, EINVAL);
rs_write_int(efp, (int)(dst - src));
}
void
rs_read_string_cindex(EFILE *efp, char *src, char **dst)
{
int ofs;
rs_read_int(efp, &ofs);
if (eferror(efp))
return;
*dst = src + ofs;
return;
}
void
rs_write_coord(EFILE *efp, coord c)
{
rs_write_int(efp, c.x);
rs_write_int(efp, c.y);
}
void
rs_write_coords(EFILE *efp, coord *c, int count)
{
int n = 0;
rs_write_int(efp, count);
for(n = 0; n < count; n++)
rs_write_coord(efp, c[n]);
}
void
rs_read_coord(EFILE *efp, coord *c)
{
coord in;
rs_read_int(efp,&in.x);
rs_read_int(efp,&in.y);
if (!eferror(efp))
{
c->x = in.x;
c->y = in.y;
}
}
void
rs_read_coords(EFILE *efp, coord *c, int count)
{
int n = 0, value = 0;
rs_read_int(efp, &value);
for(n = 0; n < count; n++)
rs_read_coord(efp, &c[n]);
}
void
rs_write_window(EFILE *efp, WINDOW *win)
{
int row,col,height,width;
width = getmaxx(win);
height = getmaxy(win);
rs_write_marker(efp,RSID_WINDOW);
rs_write_int(efp,height);
rs_write_int(efp,width);
for(row=0;row<height;row++)
for(col=0;col<width;col++)
rs_write_int(efp, mvwinch(win,row,col));
}
void
rs_read_window(EFILE *efp, WINDOW *win)
{
int row,col,maxlines,maxcols,value,width,height;
width = getmaxx(win);
height = getmaxy(win);
rs_read_marker(efp, RSID_WINDOW);
rs_read_int(efp, &maxlines);
rs_read_int(efp, &maxcols);
if (eferror(efp))
return;
for(row = 0; row < maxlines; row++)
for(col = 0; col < maxcols; col++)
{
rs_read_int(efp, &value);
if ((row < height) && (col < width))
mvwaddch(win,row,col,value);
}
}
void
rs_write_levtype(EFILE *efp, LEVTYPE c)
{
int lt;
switch(c)
{
case NORMLEV: lt = 1; break;
case POSTLEV: lt = 2; break;
case MAZELEV: lt = 3; break;
case THRONE: lt = 4; break;
default: lt = -1; break;
}
rs_write_int(efp,lt);
}
void
rs_read_levtype(EFILE *efp, LEVTYPE *l)
{
int lt;
rs_read_int(efp, <);
if (eferror(efp))
return;
switch(lt)
{
case 1: *l = NORMLEV; break;
case 2: *l = POSTLEV; break;
case 3: *l = MAZELEV; break;
case 4: *l = THRONE; break;
default: *l = NORMLEV; break;
}
}
void
rs_write_stats(EFILE *efp, struct stats *s)
{
rs_write_marker(efp, RSID_STATS);
rs_write_int(efp, s->s_str);
rs_write_int(efp, s->s_intel);
rs_write_int(efp, s->s_wisdom);
rs_write_int(efp, s->s_dext);
rs_write_int(efp, s->s_const);
rs_write_int(efp, s->s_charisma);
rs_write_uint(efp, s->s_exp);
rs_write_int(efp, s->s_lvl);
rs_write_int(efp, s->s_arm);
rs_write_int(efp, s->s_hpt);
rs_write_int(efp, s->s_pack);
rs_write_int(efp, s->s_carry);
efwrite(s->s_dmg, 1, sizeof(s->s_dmg), efp);
}
void
rs_read_stats(EFILE *efp, struct stats *s)
{
rs_read_marker(efp, RSID_STATS);
rs_read_int(efp,&s->s_str);
rs_read_int(efp,&s->s_intel);
rs_read_int(efp,&s->s_wisdom);
rs_read_int(efp,&s->s_dext);
rs_read_int(efp,&s->s_const);
rs_read_int(efp,&s->s_charisma);
rs_read_int(efp,&s->s_exp);
rs_read_int(efp,&s->s_lvl);
rs_read_int(efp,&s->s_arm);
rs_read_int(efp,&s->s_hpt);
rs_read_int(efp,&s->s_pack);
rs_read_int(efp,&s->s_carry);
efread(s->s_dmg,1,sizeof(s->s_dmg),efp);
}
void
rs_write_magic_items(EFILE *efp, struct magic_item *i, int count)
{
int n;
rs_write_marker(efp, RSID_MAGICITEMS);
rs_write_int(efp, count);
for(n = 0; n < count; n++)
rs_write_int(efp,i[n].mi_prob);
}
void
rs_read_magic_items(EFILE *efp, struct magic_item *mi, int count)
{
int n;
int value;
rs_read_marker(efp, RSID_MAGICITEMS);
rs_read_int(efp, &value);
if (!eferror(efp) && (value != count))
efseterr(efp, EILSEQ);
else
for(n = 0; n < value; n++)
rs_read_int(efp,&mi[n].mi_prob);
}
void
rs_write_scrolls(EFILE *efp)
{
int i;
for(i = 0; i < MAXSCROLLS; i++)
{
rs_write_string(efp, s_names[i]);
rs_write_int(efp,s_know[i]);
rs_write_string(efp,s_guess[i]);
}
}
void
rs_read_scrolls(EFILE *efp)
{
int i;
for(i = 0; i < MAXSCROLLS; i++)
{
rs_read_new_string(efp,&s_names[i]);
rs_read_int(efp,&s_know[i]);
rs_read_new_string(efp,&s_guess[i]);
}
}
void
rs_write_potions(EFILE *efp)
{
int i;
for(i = 0; i < MAXPOTIONS; i++)
{
rs_write_string_index(efp,rainbow,NCOLORS,p_colors[i]);
rs_write_int(efp,p_know[i]);
rs_write_string(efp,p_guess[i]);
}
}
void
rs_read_potions(EFILE *efp)
{
int i;
for(i = 0; i < MAXPOTIONS; i++)
{
rs_read_string_index(efp,rainbow,NCOLORS,&p_colors[i]);
rs_read_int(efp,&p_know[i]);
rs_read_new_string(efp,&p_guess[i]);
}
}
void
rs_write_rings(EFILE *efp)
{
int i;
for(i = 0; i < MAXRINGS; i++)
{
rs_write_string_index(efp,stones,NSTONES,r_stones[i]);
rs_write_int(efp,r_know[i]);
rs_write_string(efp,r_guess[i]);
}
}
void
rs_read_rings(EFILE *efp)
{
int i;
for(i = 0; i < MAXRINGS; i++)
{
rs_read_string_index(efp,stones,NSTONES,&r_stones[i]);
rs_read_int(efp,&r_know[i]);
rs_read_new_string(efp,&r_guess[i]);
}
}
void
rs_write_sticks(EFILE *efp)
{
int i;
rs_write_marker(efp, RSID_STICKS);
for (i = 0; i < MAXSTICKS; i++)
{
if (strcmp(ws_type[i],"staff") == 0)
{
rs_write_int(efp,0);
rs_write_string_index(efp,wood,NWOOD,ws_made[i]);
}
else
{
rs_write_int(efp,1);
rs_write_string_index(efp,metal,NMETAL,ws_made[i]);
}
rs_write_int(efp, ws_know[i]);
rs_write_string(efp, ws_guess[i]);
}
}
void
rs_read_sticks(EFILE *efp)
{
int i = 0, list = 0;
rs_read_marker(efp, RSID_STICKS);
if (eferror(efp))
return;
for(i = 0; i < MAXSTICKS; i++)
{
rs_read_int(efp,&list);
if (eferror(efp))
return;
ws_made[i] = NULL;
if (list == 0)
{
rs_read_string_index(efp,wood,NWOOD,&ws_made[i]);
ws_type[i] = "staff";
}
else
{
rs_read_string_index(efp,metal,NMETAL,&ws_made[i]);
ws_type[i] = "wand";
}
rs_read_int(efp, &ws_know[i]);
rs_read_new_string(efp, &ws_guess[i]);
}
}
void
rs_write_daemons(EFILE *efp, struct delayed_action *d_list, int count)
{
int i = 0, j = 0;
int func = 0;
rs_write_marker(efp, RSID_DAEMONS);
rs_write_int(efp, count);
for(i = 0; i < count; i++)
{
if ( d_list[i].d_func == rollwand)
func = 1;
else if ( d_list[i].d_func == doctor)
func = 2;
else if ( d_list[i].d_func == stomach)
func = 3;
else if ( d_list[i].d_func == runners)
func = 4;
else if ( d_list[i].d_func == swander)
func = 5;
else if ( d_list[i].d_func == unscent)
func = 6;
else if ( d_list[i].d_func == unelectrify)
func = 7;
else if ( d_list[i].d_func == unshero)
func = 8;
else if ( d_list[i].d_func == unbhero)
func = 9;
else if ( d_list[i].d_func == unxray)
func = 10;
else if ( d_list[i].d_func == wghtchk)
func = 11;
else if ( d_list[i].d_func == unstink)
func = 12;
else if ( d_list[i].d_func == res_strength)
func = 13;
else if ( d_list[i].d_func == un_itch)
func = 14;
else if ( d_list[i].d_func == cure_disease)
func = 15;
else if ( d_list[i].d_func == unconfuse)
func = 16;
else if ( d_list[i].d_func == suffocate)
func = 17;
else if ( d_list[i].d_func == undisguise)
func = 18;
else if ( d_list[i].d_func == shero)
func = 19;
else if ( d_list[i].d_func == hear)
func = 20;
else if ( d_list[i].d_func == unhear)
func = 21;
else if ( d_list[i].d_func == sight)
func = 22;
else if ( d_list[i].d_func == scent)
func = 23;
else if ( d_list[i].d_func == nohaste)
func = 24;
else if ( d_list[i].d_func == unclrhead)
func = 25;
else if ( d_list[i].d_func == unsee)
func = 26;
else if ( d_list[i].d_func == unphase)
func = 27;
else if (d_list[i].d_func == NULL)
func = 0;
else
func = -1;
rs_write_int(efp, d_list[i].d_type);
rs_write_int(efp, func);
if ( d_list[i].d_arg == 0 )
{
rs_write_int(efp, 0);
rs_write_int(efp, 0);
}
else if (d_list[i].d_arg == &player)
{
rs_write_int(efp, 0);
rs_write_int(efp, 1);
}
else
{
struct object *obj = d_list[i].d_arg;
j = find_list_ptr(player.t_pack, obj);
if (j >= 0)
{
rs_write_int(efp,1);
rs_write_int(efp,j);
}
else
{
j = find_list_ptr(lvl_obj, obj);
if (j >= 0)
{
rs_write_int(efp,2);
rs_write_int(efp,j);
}
else /* not necessarily an error condition, could
be that player/level no longer has the object
so this reference would get discarded anyway */
{
rs_write_int(efp,0);
rs_write_int(efp,0);
}
}
}
rs_write_int(efp, d_list[i].d_time);
}
}
void
rs_read_daemons(EFILE *efp, struct delayed_action *d_list, int count)
{
int i = 0;
int func = 0;
int value = 0;
rs_read_marker(efp, RSID_DAEMONS);
rs_read_int(efp, &value);
if (!eferror(efp) && (value > count))
{
efseterr(efp, EILSEQ);
return;
}
for(i=0; i < count; i++)
{
func = 0;
rs_read_int(efp, &d_list[i].d_type);
rs_read_int(efp, &func);
if (eferror(efp))
return;
switch(func)
{
case 1: d_list[i].d_func = rollwand; break;
case 2: d_list[i].d_func = doctor; break;
case 3: d_list[i].d_func = stomach; break;
case 4: d_list[i].d_func = runners; break;
case 5: d_list[i].d_func = swander; break;
case 6: d_list[i].d_func = unscent; break;
case 7: d_list[i].d_func = unelectrify; break;
case 8: d_list[i].d_func = unshero; break;
case 9: d_list[i].d_func = unbhero; break;
case 10: d_list[i].d_func = unxray; break;
case 11: d_list[i].d_func = wghtchk; break;
case 12: d_list[i].d_func = unstink; break;
case 13: d_list[i].d_func = res_strength;break;
case 14: d_list[i].d_func = un_itch; break;
case 15: d_list[i].d_func = cure_disease;break;
case 16: d_list[i].d_func = unconfuse; break;
case 17: d_list[i].d_func = suffocate; break;
case 18: d_list[i].d_func = undisguise; break;
case 19: d_list[i].d_func = shero; break;
case 20: d_list[i].d_func = hear; break;
case 21: d_list[i].d_func = unhear; break;
case 22: d_list[i].d_func = sight; break;
case 23: d_list[i].d_func = scent; break;
case 24: d_list[i].d_func = nohaste; break;
case 25: d_list[i].d_func = unclrhead; break;
case 26: d_list[i].d_func = unsee; break;
case 27: d_list[i].d_func = unphase; break;
case 0:
case -1:
default: d_list[i].d_func = NULL;
break;
}
rs_read_int(efp, &value);
if (eferror(efp))
return;
if (value == 0)
{
rs_read_int(efp, &value);
if (eferror(efp))
return;
if (value == 1)
d_list[i].d_arg = &player;
else
d_list[i].d_arg = NULL;
}
else if (value == 1)
{
rs_read_int(efp, &value);
if (eferror(efp))
return;
d_list[i].d_arg = get_list_item(player.t_pack, value);
}
else if (value == 2)
{
rs_read_int(efp, &value);
if (eferror(efp))
return;
d_list[i].d_arg = get_list_item(lvl_obj, value);
}
else
{
rs_read_int(efp, &value);
d_list[i].d_arg = NULL;
}
rs_read_int(efp, &d_list[i].d_time);
if (d_list[i].d_func == NULL)
{
d_list[i].d_time = 0;
d_list[i].d_arg = 0;
d_list[i].d_type = 0;
}
}
}
void
rs_write_room(EFILE *efp, struct room *r)
{
rs_write_coord(efp, r->r_pos);
rs_write_coord(efp, r->r_max);
rs_write_uint(efp, r->r_flags);
rs_write_int(efp, r->r_fires);
rs_write_coords(efp, r->r_exit, MAXDOORS);
}
void
rs_read_room(EFILE *efp, struct room *r)
{
rs_read_coord(efp,&r->r_pos);
rs_read_coord(efp,&r->r_max);
rs_read_uint(efp,&r->r_flags);
rs_read_int(efp, &r->r_fires);
rs_read_coords(efp, r->r_exit, MAXDOORS);
}
void
rs_write_rooms(EFILE *efp, struct room r[], int count)
{
int n = 0;
rs_write_int(efp, count);
for(n = 0; n < count; n++)
rs_write_room(efp, &r[n]);
}
void
rs_read_rooms(EFILE *efp, struct room *r, int count)
{
int value = 0, n = 0;
rs_read_int(efp,&value);
if (!eferror(efp) && (value > count))
efseterr(efp, EILSEQ);
else
for(n = 0; n < value; n++)
rs_read_room(efp,&r[n]);
}
void
rs_write_room_reference(EFILE *efp, struct room *rp)
{
int i, room = -1;
for (i = 0; i < MAXROOMS; i++)
if (&rooms[i] == rp)
room = i;
rs_write_int(efp, room);
}
void
rs_read_room_reference(EFILE *efp, struct room **rp)
{
int i;
rs_read_int(efp, &i);
if (eferror(efp))
return;
*rp = &rooms[i];
}
void
rs_write_traps(EFILE *efp, struct trap *trap,int count)
{
int n;
rs_write_marker(efp, RSID_DAEMONS);
rs_write_int(efp, count);
for(n=0; n<count; n++)
{
rs_write_int(efp, trap[n].tr_type);
rs_write_int(efp, trap[n].tr_show);
rs_write_coord(efp, trap[n].tr_pos);
rs_write_uint(efp, trap[n].tr_flags);
}
}
void
rs_read_traps(EFILE *efp, struct trap *trap, int count)
{
int value = 0, n = 0;
rs_read_marker(efp, RSID_DAEMONS);
rs_read_int(efp,&value);
if (!eferror(efp) && (value != count))
efseterr(efp, EILSEQ);
else
for(n=0;n<value;n++)
{
rs_read_int(efp,&trap[n].tr_type);
rs_read_int(efp,&trap[n].tr_show);
rs_read_coord(efp,&trap[n].tr_pos);
rs_read_uint(efp,&trap[n].tr_flags);
}
}
void
rs_write_monsters(EFILE *efp, struct monster *m, int count)
{
int n;
rs_write_marker(efp, RSID_MONSTERS);
rs_write_int(efp, count);
for(n=0;n<count;n++)
{
rs_write_int(efp, m[n].m_normal);
rs_write_int(efp, m[n].m_wander);
rs_write_int(efp, m[n].m_numsum);
}
}
void
rs_read_monsters(EFILE *efp, struct monster *m, int count)
{
int value = 0, n = 0;
rs_read_marker(efp, RSID_MONSTERS);
rs_read_int(efp, &value);
if (!eferror(efp) && value != count)
efseterr(efp, EILSEQ);
for(n = 0; n < count; n++)
{
rs_read_int(efp, &m[n].m_normal);
rs_read_int(efp, &m[n].m_wander);
rs_read_int(efp, &m[n].m_numsum);
}
}
void
rs_write_artifact(EFILE *efp, struct artifact *a)
{
rs_write_marker(efp, RSID_ARTIFACT);
if (a == NULL)
rs_write_int(efp, 0);
else
{
rs_write_int(efp, 1);
rs_write_uint(efp, a->ar_flags);
rs_write_uint(efp, a->ar_rings);