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http://bugs.eressea.de/view.php?id=1833 

There's a pretty bad problem with watchers in older datafiles.
This commit is contained in:
Enno Rehling 2011-02-15 23:28:09 -08:00
parent f5b4b1ff99
commit 42c5331f1b
2 changed files with 26 additions and 13 deletions
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36
src/kernel/save.c
View File

@ -1413,7 +1413,9 @@ readgame(const char * filename, int mode, int backup)
n = store->r_int(store);
while(--n >= 0) {
int id = store->r_int(store);
variant fno;
plane *pl = getplanebyid(id);
if (pl==NULL) {
pl = calloc(1, sizeof(plane));
} else {
@ -1428,18 +1430,28 @@ readgame(const char * filename, int mode, int backup)
pl->flags = store->r_int(store);
/* read watchers */
store->r_str_buf(store, token, sizeof(token));
while (strcmp(token, "end")!=0) {
watcher * w = calloc(sizeof(watcher),1);
variant fno;
fno.i = atoi36(token);
w->mode = (unsigned char)store->r_int(store);
w->next = pl->watchers;
pl->watchers = w;
ur_add(fno, &w->faction, resolve_faction);
store->r_str_buf(store, token, sizeof(token));
if (store->version<FIX_WATCHERS_VERSION) {
char rname[64];
/* before this version, watcher storage was pretty broken. we are incompatible and don't read them */
for (;;) {
store->r_tok_buf(store, rname, sizeof(rname));
if (strcmp(rname, "end")==0) {
break; /* this is most likely the end of the list */
} else {
log_error(("This datafile contains watchers, but we are unable to read them\n"));
}
}
} else {
fno = read_faction_reference(store);
while (fno.i) {
watcher * w = (watcher *)malloc(sizeof(watcher));
ur_add(fno, &w->faction, resolve_faction);
w->mode = (unsigned char)store->r_int(store);
w->next = pl->watchers;
pl->watchers = w;
fno = read_faction_reference(store);
}
}
a_read(store, &pl->attribs, pl);
addlist(&planes, pl);
}
@ -1715,7 +1727,7 @@ writegame(const char *filename, int mode)
}
w = w->next;
}
store->w_tok(store, "end");
write_faction_reference(NULL, store); /* mark the end of the list */
a_write(store, pl->attribs, pl);
store->w_brk(store);
}

3
src/kernel/version.h
View File

@ -66,6 +66,7 @@
#define MOURNING_VERSION 335 /* mourning peasants */
#define FOSS_VERSION 336 /* the open source release */
#define OWNER_2_VERSION 337 /* region owners contain an alliance */
#define FIX_WATCHERS_VERSION 338 /* fixed storage of watchers */
#define MIN_VERSION CURSETYPE_VERSION /* minimal datafile we support */
#define RELEASE_VERSION OWNER_2_VERSION /* current datafile */
#define RELEASE_VERSION FIX_WATCHERS_VERSION /* current datafile */