static void
init_rumors(dlb * fp)
{
char line[BUFSZ];
dlb_fgets(line, sizeof line, fp); /* skip "don't edit" comment */
dlb_fgets(line, sizeof line, fp);
if (sscanf(line, "%6x\n", &true_rumor_size) == 1 && true_rumor_size > 0L) {
dlb_fseek(fp, 0L, SEEK_CUR);
true_rumor_start = dlb_ftell(fp);
true_rumor_end = true_rumor_start + true_rumor_size;
dlb_fseek(fp, true_rumor_size, SEEK_CUR);
dlb_fgets(line, sizeof line, fp);
sscanf(line, "%6x\n", &false_rumor_size);
dlb_fseek(fp, 0L, SEEK_CUR);
false_rumor_start = dlb_ftell(fp);
dlb_fseek(fp, false_rumor_size, SEEK_CUR);
false_rumor_end = dlb_ftell(fp);
potter_rumor_start = false_rumor_end;
dlb_fseek(fp, 0L, SEEK_END);
potter_rumor_end = dlb_ftell(fp);
potter_rumor_size = potter_rumor_end - potter_rumor_start;
} else
true_rumor_size = -1L; /* init failed */
}
void display_file(const char *fname, boolean complain)
{
dlb *fp;
char *buf;
int fsize;
fp = dlb_fopen(fname, "r");
if (!fp) {
if (complain) {
pline("Cannot open \"%s\".", fname);
} else if (program_state.something_worth_saving) doredraw();
} else {
dlb_fseek(fp, 0, SEEK_END);
fsize = dlb_ftell(fp);
dlb_fseek(fp, 0, SEEK_SET);
buf = malloc(fsize);
dlb_fread(buf, fsize, 1, fp);
dlb_fclose(fp);
display_buffer(buf, complain);
free(buf);
}
}
void
outoracle(boolean special, boolean delphi)
{
char line[COLNO];
char *endp;
dlb *oracles;
int oracle_idx;
char xbuf[BUFSZ];
if (oracle_flg < 0 || /* couldn't open ORACLEFILE */
(oracle_flg > 0 && oracle_cnt == 0)) /* oracles already exhausted */
return;
oracles = dlb_fopen(ORACLEFILE, "r");
if (oracles) {
struct menulist menu;
if (oracle_flg == 0) { /* if this is the first outoracle() */
init_oracles(oracles);
oracle_flg = 1;
if (oracle_cnt == 0)
return;
}
/* oracle_loc[0] is the special oracle; */
/* oracle_loc[1..oracle_cnt-1] are normal ones */
if (oracle_cnt <= 1 && !special)
return; /* (shouldn't happen) */
oracle_idx = special ? 0 : rnd((int)oracle_cnt - 1);
dlb_fseek(oracles, oracle_loc[oracle_idx], SEEK_SET);
if (!special)
oracle_loc[oracle_idx] = oracle_loc[--oracle_cnt];
init_menulist(&menu);
if (delphi)
add_menutext(&menu,
special ?
"The Oracle scornfully takes all your money and says:"
:
"The Oracle meditates for a moment and then intones:");
else
add_menutext(&menu, "The message reads:");
add_menutext(&menu, "");
while (dlb_fgets(line, COLNO, oracles) && strcmp(line, "---\n")) {
if ((endp = strchr(line, '\n')) != 0)
*endp = 0;
add_menutext(&menu, xcrypt(line, xbuf));
}
display_menu(menu.items, menu.icount, NULL, PICK_NONE, PLHINT_ANYWHERE,
NULL);
free(menu.items);
dlb_fclose(oracles);
} else {
pline("Can't open oracles file!");
oracle_flg = -1; /* don't try to open it again */
}
}
void
outoracle(boolean special, boolean delphi)
{
char line[COLNO];
char *endp;
dlb *oracles;
int oracle_idx;
if (oracle_flg < 0 || /* couldn't open ORACLEFILE */
(oracle_flg > 0 && oracle_cnt == 0)) /* oracles already exhausted */
return;
oracles = dlb_fopen(ORACLEFILE, "r");
if (oracles) {
struct nh_menulist menu;
if (oracle_flg == 0) { /* if this is the first outoracle() */
init_oracles(oracles);
oracle_flg = 1;
if (oracle_cnt == 0)
return;
}
/* oracle_loc[0] is the special oracle; */
/* oracle_loc[1..oracle_cnt-1] are normal ones */
if (oracle_cnt <= 1 && !special)
return; /* (shouldn't happen) */
oracle_idx = special ? 0 : rnd((int)oracle_cnt - 1);
dlb_fseek(oracles, oracle_loc[oracle_idx], SEEK_SET);
if (!special)
oracle_loc[oracle_idx] = oracle_loc[--oracle_cnt];
init_menulist(&menu);
if (delphi)
add_menutext(
&menu, special ?
"Potter protests, but then takes your money and says:" :
"Potter thinks for a second, and then announces in a gravelly voice:");
else
add_menutext(&menu, "The message reads:");
add_menutext(&menu, "");
while (dlb_fgets(line, COLNO, oracles) && strcmp(line, "---\n")) {
if ((endp = strchr(line, '\n')) != 0)
*endp = 0;
char decrypted_line[strlen(line) + 1];
add_menutext(&menu, xcrypt(line, decrypted_line));
}
display_menu(&menu, NULL, PICK_NONE, PLHINT_ANYWHERE,
NULL);
dlb_fclose(oracles);
} else {
pline("Can't open oracles file!");
oracle_flg = -1; /* don't try to open it again */
}
}
static void
init_rumors(dlb * fp)
{
char line[BUFSZ];
dlb_fgets(line, sizeof line, fp); /* skip "don't edit" comment */
dlb_fgets(line, sizeof line, fp);
if (sscanf(line, "%6x\n", &true_rumor_size) == 1 && true_rumor_size > 0L) {
dlb_fseek(fp, 0L, SEEK_CUR);
true_rumor_start = dlb_ftell(fp);
true_rumor_end = true_rumor_start + true_rumor_size;
dlb_fseek(fp, 0L, SEEK_END);
false_rumor_end = dlb_ftell(fp);
false_rumor_start = true_rumor_end; /* ok, so it's redundant... */
false_rumor_size = false_rumor_end - false_rumor_start;
} else
true_rumor_size = -1L; /* init failed */
}
static void
dump_qtlist() /* dump the character msg list to check appearance */
{
struct qtmsg *msg;
long size;
for (msg = qt_list.chrole; msg->msgnum > 0; msg++) {
pline("msgnum %d: delivery %c",
msg->msgnum, msg->delivery);
more();
(void) dlb_fseek(msg_file, msg->offset, SEEK_SET);
deliver_by_window(msg, NHW_TEXT);
}
}
void
com_pager (int msgnum)
{
struct qtmsg *qt_msg;
if (!(qt_msg = msg_in(qt_list.common, msgnum))) {
impossible("com_pager: message %d not found.", msgnum);
return;
}
(void) dlb_fseek(msg_file, qt_msg->offset, SEEK_SET);
if (qt_msg->delivery == 'p') deliver_by_pline(qt_msg);
else if (msgnum == 1) deliver_by_window(qt_msg, NHW_MENU);
else deliver_by_window(qt_msg, NHW_TEXT);
return;
}
void
qt_pager(int msgnum)
{
struct qtmsg *qt_msg;
if (!(qt_msg = msg_in(qt_list.chrole, msgnum))) {
impossible("qt_pager: message %d not found.", msgnum);
return;
}
dlb_fseek(msg_file, qt_msg->offset, SEEK_SET);
if (qt_msg->delivery == 'p')
deliver_by_pline(qt_msg);
else
deliver_by_window(qt_msg);
return;
}
static struct qtmsg *
construct_qtlist(long hdr_offset)
{
struct qtmsg *msg_list;
int n_msgs;
dlb_fseek(msg_file, hdr_offset, SEEK_SET);
Fread(&n_msgs, sizeof (int), 1, msg_file);
msg_list = malloc((unsigned)(n_msgs + 1) * sizeof (struct qtmsg));
/*
* Load up the list.
*/
Fread(msg_list, n_msgs * sizeof (struct qtmsg), 1, msg_file);
msg_list[n_msgs].msgnum = -1;
return msg_list;
}
/* exclude_cookie is a hack used because we sometimes want to get rumors in a
* context where messages such as "You swallowed the fortune!" that refer to
* cookies should not appear. This has no effect for true rumors since none
* of them contain such references anyway.
*/
char *
getrumor(int truth, /* 1=true, -1=false, 0=either */
char *rumor_buf, boolean exclude_cookie, int *truth_out)
{
dlb *rumors;
int tidbit, beginning;
char *endp, line[BUFSZ], xbuf[BUFSZ];
int ltruth = 0;
rumor_buf[0] = '\0';
if (true_rumor_size < 0L) /* we couldn't open RUMORFILE */
return rumor_buf;
rumors = dlb_fopen(RUMORFILE, "r");
if (rumors) {
int count = 0;
int adjtruth;
do {
rumor_buf[0] = '\0';
if (true_rumor_size == 0L) { /* if this is 1st outrumor() */
init_rumors(rumors);
if (true_rumor_size < 0L) { /* init failed */
sprintf(rumor_buf, "Error reading \"%.80s\".", RUMORFILE);
return rumor_buf;
}
}
/*
* input: 1 0 -1
* rn2 \ +1 2=T 1=T 0=F
* adj./ +0 1=T 0=F -1=F
*/
switch (adjtruth = truth + rn2(2)) {
case 2: /* (might let a bogus input arg sneak thru) */
case 1:
beginning = true_rumor_start;
tidbit = mt_random() % true_rumor_size;
break;
case 0: /* once here, 0 => false rather than "either" */
case -1:
beginning = false_rumor_start;
tidbit = mt_random() % false_rumor_size;
break;
default:
impossible("strange truth value for rumor");
return strcpy(rumor_buf, "Oops...");
}
dlb_fseek(rumors, beginning + tidbit, SEEK_SET);
dlb_fgets(line, sizeof line, rumors);
if (!dlb_fgets(line, sizeof line, rumors) ||
(adjtruth > 0 && dlb_ftell(rumors) > true_rumor_end)) {
/* reached end of rumors -- go back to beginning */
dlb_fseek(rumors, beginning, SEEK_SET);
dlb_fgets(line, sizeof line, rumors);
}
if ((endp = strchr(line, '\n')) != 0)
*endp = 0;
strcat(rumor_buf, xcrypt(line, xbuf));
} while (count++ < 50 && exclude_cookie &&
(strstri(rumor_buf, "fortune") || strstri(rumor_buf, "pity")));
dlb_fclose(rumors);
if (count >= 50)
impossible("Can't find non-cookie rumor?");
else
ltruth = (adjtruth > 0) ? 1 : -1;
} else {
pline("Can't open rumors file!");
true_rumor_size = -1; /* don't try to open it again */
if (truth_out)
*truth_out = 0;
}
if (truth_out)
*truth_out = ltruth;
return rumor_buf;
}
/*
* Look in the "data" file for more info. Called if the user typed in the
* whole name (user_typed_name == TRUE), or we've found a possible match
* with a character/glyph.
*/
static void
checkfile(const char *inp, struct permonst *pm, boolean user_typed_name,
boolean without_asking)
{
dlb *fp;
char buf[BUFSZ], newstr[BUFSZ];
char *ep, *dbase_str;
long txt_offset = 0;
int chk_skip;
boolean found_in_file = FALSE, skipping_entry = FALSE;
fp = dlb_fopen(DATAFILE, "r");
if (!fp) {
pline("Cannot open data file!");
return;
}
/* To prevent the need for entries in data.base like *ngel to account for
Angel and angel, make the lookup string the same for both
user_typed_name and picked name. */
if (pm != NULL && !user_typed_name)
dbase_str = strcpy(newstr, pm->mname);
else
dbase_str = strcpy(newstr, inp);
for (ep = dbase_str; *ep; ep++)
*ep = lowc(*ep);
if (!strncmp(dbase_str, "interior of ", 12))
dbase_str += 12;
if (!strncmp(dbase_str, "a ", 2))
dbase_str += 2;
else if (!strncmp(dbase_str, "an ", 3))
dbase_str += 3;
else if (!strncmp(dbase_str, "the ", 4))
dbase_str += 4;
if (!strncmp(dbase_str, "tame ", 5))
dbase_str += 5;
else if (!strncmp(dbase_str, "peaceful ", 9))
dbase_str += 9;
if (!strncmp(dbase_str, "invisible ", 10))
dbase_str += 10;
if (!strncmp(dbase_str, "statue of ", 10))
dbase_str[6] = '\0';
else if (!strncmp(dbase_str, "figurine of ", 12))
dbase_str[8] = '\0';
/* Make sure the name is non-empty. */
if (*dbase_str) {
/* adjust the input to remove " [seen" and "named " and convert to
lower case */
const char *alt = 0; /* alternate description */
if ((ep = strstri_mutable(dbase_str, " [seen")) != 0)
*ep = '\0';
if ((ep = strstri_mutable(dbase_str, " named ")) != 0)
alt = ep + 7;
else
ep = strstri_mutable(dbase_str, " called ");
if (!ep)
ep = strstri_mutable(dbase_str, ", ");
if (ep && ep > dbase_str)
*ep = '\0';
/*
* If the object is named, then the name is the alternate description;
* otherwise, the result of makesingular() applied to the name is. This
* isn't strictly optimal, but named objects of interest to the user
* will usually be found under their name, rather than under their
* object type, so looking for a singular form is pointless.
*/
if (!alt)
alt = makesingular(dbase_str);
else if (user_typed_name)
alt = msglowercase(alt);
/* skip first record; read second */
txt_offset = 0L;
if (!dlb_fgets(buf, BUFSZ, fp) || !dlb_fgets(buf, BUFSZ, fp)) {
impossible("can't read 'data' file");
dlb_fclose(fp);
return;
} else if (sscanf(buf, "%8lx\n", &txt_offset) < 1 || txt_offset <= 0)
goto bad_data_file;
/* look for the appropriate entry */
while (dlb_fgets(buf, BUFSZ, fp)) {
if (*buf == '.')
break; /* we passed last entry without success */
if (digit(*buf)) {
/* a number indicates the end of current entry */
skipping_entry = FALSE;
} else if (!skipping_entry) {
if (!(ep = strchr(buf, '\n')))
goto bad_data_file;
*ep = 0;
/* if we match a key that begins with "~", skip this entry */
chk_skip = (*buf == '~') ? 1 : 0;
if (pmatch(&buf[chk_skip], dbase_str) ||
(alt && pmatch(&buf[chk_skip], alt))) {
if (chk_skip) {
skipping_entry = TRUE;
continue;
} else {
found_in_file = TRUE;
break;
}
}
}
}
}
if (found_in_file) {
long entry_offset;
int entry_count;
int i;
/* skip over other possible matches for the info */
do {
if (!dlb_fgets(buf, BUFSZ, fp))
goto bad_data_file;
} while (!digit(*buf));
if (sscanf(buf, "%ld,%d\n", &entry_offset, &entry_count) < 2) {
bad_data_file:impossible("'data' file in wrong format");
dlb_fclose(fp);
return;
}
if (user_typed_name || without_asking || yn("More info?") == 'y') {
struct nh_menulist menu;
if (dlb_fseek(fp, txt_offset + entry_offset, SEEK_SET) < 0) {
pline("? Seek error on 'data' file!");
dlb_fclose(fp);
return;
}
init_menulist(&menu);
for (i = 0; i < entry_count; i++) {
if (!dlb_fgets(buf, BUFSZ, fp))
goto bad_data_file;
if ((ep = strchr(buf, '\n')) != 0)
*ep = 0;
if (strchr(buf + 1, '\t') != 0)
tabexpand(buf + 1);
add_menutext(&menu, buf + 1);
}
display_menu(&menu, NULL, FALSE, PLHINT_ANYWHERE,
NULL);
}
} else if (user_typed_name)
pline("I don't have any information on those things.");
dlb_fclose(fp);
}
/* exclude_cookie is a hack used because we sometimes want to get rumors in a
* context where messages such as "You swallowed the fortune!" that refer to
* cookies should not appear. This has no effect for true rumors since none
* of them contain such references anyway.
*/
const char *
getrumor(int truth, /* 1=true, -1=false, 0=either 3=potter (truier than true)*/
boolean exclude_cookie, int *truth_out, enum rng rng)
{
dlb *rumors;
int tidbit, beginning;
char *endp;
int ltruth = 0;
char line[BUFSZ]; /* for fgets */
const char *rv = "";
/* If this happens, we couldn't open the RUMORFILE. So synthesize a
rumor just for the occasion :-) */
if (true_rumor_size < 0L)
return "";
rumors = dlb_fopen(RUMORFILE, "r");
if (rumors) {
int count = 0;
int adjtruth;
do {
if (true_rumor_size == 0L) { /* if this is 1st outrumor() */
init_rumors(rumors);
if (true_rumor_size < 0L) /* init failed */
return msgprintf("Error reading \"%.80s\".", RUMORFILE);
}
/*
* input: 3 1 0 -1
* rn2 \ +1 4=P 2=T 1=T 0=F
* adj./ +0 3=P 1=T 0=F -1=F
*/
switch (adjtruth = truth + rn2_on_rng(2, rng)) {
case 4: /* (might let a bogus input arg sneak thru) */
case 3:
beginning = potter_rumor_start;
tidbit = rn2_on_rng(potter_rumor_size, rng);
break;
case 1:
beginning = true_rumor_start;
tidbit = rn2_on_rng(true_rumor_size, rng);
break;
case 0: /* once here, 0 => false rather than "either" */
case -1:
beginning = false_rumor_start;
tidbit = rn2_on_rng(false_rumor_size, rng);
break;
default:
impossible("strange truth value for rumor");
if (truth_out)
*truth_out = 0;
return "Oops...";
}
dlb_fseek(rumors, beginning + tidbit, SEEK_SET);
dlb_fgets(line, sizeof line, rumors);
if (!dlb_fgets(line, sizeof line, rumors) ||
((adjtruth == 2 || adjtruth == 1) && dlb_ftell(rumors) > true_rumor_end)) {
/* reached end of rumors -- go back to beginning */
dlb_fseek(rumors, beginning, SEEK_SET);
dlb_fgets(line, sizeof line, rumors);
}
else if (!dlb_fgets(line, sizeof line, rumors) ||
(adjtruth < 1 && dlb_ftell(rumors) > false_rumor_end)){
dlb_fseek(rumors, beginning, SEEK_SET);
dlb_fgets(line, sizeof line, rumors);
}
if ((endp = strchr(line, '\n')) != 0)
*endp = 0;
char decrypted_line[strlen(line) + 1];
xcrypt(line, decrypted_line);
rv = msg_from_string(decrypted_line);
} while (count++ < 50 && exclude_cookie &&
(strstri(rv, "fortune") || strstri(rv, "pity")));
dlb_fclose(rumors);
if (count >= 50)
impossible("Can't find non-cookie rumor?");
else
ltruth = (adjtruth > 0) ? 1 : -1;
} else {
pline("Can't open rumors file!");
true_rumor_size = -1; /* don't try to open it again */
if (truth_out)
*truth_out = 0;
}
if (truth_out)
*truth_out = ltruth;
return rv;
}
