static void
open_exit(dbref player, dbref loc, char *direction, char *linkto, int key)
{
dbref exit;
char *tpr_buff, *tprp_buff;
if (!Good_obj(loc))
return;
if (!direction || !*direction) {
notify_quiet(player, "Open where?");
return;
} else if (!controls(player, loc) && !could_doit(player, loc, A_LOPEN, 0, 0)) {
notify_quiet(player, "Permission denied.");
return;
}
exit = create_obj(player, TYPE_EXIT, direction, 0);
if (exit == NOTHING)
return;
/* Initialize everything and link it in. */
s_Exits(exit, loc);
s_Next(exit, Exits(loc));
s_Exits(loc, exit);
/* and we're done */
if ( !(key & SIDEEFFECT ) )
notify_quiet(player, "Opened.");
/* See if we should do a link */
if (!linkto || !*linkto)
return;
loc = parse_linkable_room(player, linkto);
if (loc != NOTHING) {
/* Make sure the player passes the link lock */
if ((loc != HOME) && !could_doit(player, loc, A_LLINK, 1, 0)) {
notify_quiet(player, "You can't link to there.");
return;
}
/* Link it if the player can pay for it */
if (!payfor(player, mudconf.linkcost)) {
tprp_buff = tpr_buff = alloc_lbuf("open_exit");
notify_quiet(player,
safe_tprintf(tpr_buff, &tprp_buff, "You don't have enough %s to link.",
mudconf.many_coins));
free_lbuf(tpr_buff);
} else {
s_Location(exit, loc);
if ( !(key & SIDEEFFECT ) )
notify_quiet(player, "Linked.");
}
}
}
void
do_open(dbref player, dbref cause, int key, char *direction,
char *links[], int nlinks)
{
dbref loc, destnum;
char *dest, *dir2;
char spam_chr[32];
memset(spam_chr, 0, sizeof(spam_chr));
if ( (key & SIDEEFFECT) && !SideFX(player) ) {
notify(player, "#-1 FUNCTION DISABLED");
return;
}
if (Immortal(player) && (*direction == '#')) {
dir2 = get_free_num(player, direction);
} else {
dir2 = direction;
}
/* Create the exit and link to the destination, if there is one */
if (nlinks >= 1)
dest = links[0];
else
dest = NULL;
if ((key == OPEN_INVENTORY) || ((Typeof(player) == TYPE_ROOM) && (mudconf.rooms_can_open == 1)))
loc = player;
else {
if ( mudstate.store_loc != NOTHING )
loc = mudstate.store_loc;
else
loc = Location(player);
}
open_exit(player, loc, dir2, dest, key);
/* Open the back link if we can */
if (nlinks >= 2) {
destnum = parse_linkable_room(player, dest);
if (destnum != NOTHING) {
/* For some reason unsafe_tprintf() doesn't work right here */
sprintf(spam_chr, "%d", loc);
open_exit(player, destnum, links[1], spam_chr, key);
}
}
}
void
do_link(dbref player, dbref cause, int key, char *what, char *where)
{
dbref thing, room;
char *buff;
int nomtest;
if ( (key & SIDEEFFECT) && !SideFX(player) ) {
notify(player, "#-1 FUNCTION DISABLED");
return;
}
/* Find the thing to link */
init_match(player, what, TYPE_EXIT);
match_everything(0);
thing = noisy_match_result();
if (thing == NOTHING)
return;
nomtest = ((NoMod(thing) && !WizMod(player)) || (DePriv(player,Owner(thing),DP_MODIFY,POWER7,NOTHING) && (Owner(thing) != Owner(player))) || (Backstage(player) && NoBackstage(thing) && !Immortal(player)));
/* Allow unlink if where is not specified */
if (!where || !*where) {
if (!nomtest)
do_unlink(player, cause, key, what);
else
notify(player,"Permission denied.");
return;
}
switch (Typeof(thing)) {
case TYPE_EXIT:
/* Set destination */
room = parse_linkable_room(player, where);
if (room != NOTHING) {
if (!nomtest)
link_exit(player, thing, room, key);
else
notify(player,"Permission denied.");
}
break;
case TYPE_PLAYER:
case TYPE_THING:
/* Set home */
if (!Controls(player, thing) || nomtest) {
notify_quiet(player, "Permission denied.");
break;
}
init_match(player, where, NOTYPE);
match_everything(MAT_NO_EXITS);
room = noisy_match_result();
if (!Good_obj(room))
break;
if (!Has_contents(room)) {
notify_quiet(player, "Can't link to an exit.");
break;
}
if (!can_set_home(player, thing, room) ||
!could_doit(player, room, A_LLINK, 1, 0)) {
notify_quiet(player, "Permission denied.");
} else if (room == HOME) {
notify_quiet(player, "Can't set home to home.");
} else {
s_Home(thing, room);
if (!(Quiet(player) || (key & SIDEEFFECT)) )
notify_quiet(player, "Home set.");
}
break;
case TYPE_ROOM:
/* Set dropto */
if (!Controls(player, thing) || nomtest) {
notify_quiet(player, "Permission denied.");
break;
}
room = parse_linkable_room(player, where);
if (!Good_obj(room) && (room != HOME)) {
notify_quiet(player, "Permission denied.");
break;
}
if ((room != HOME) && !isRoom(room)) {
notify_quiet(player, "That is not a room!");
} else if ((room != HOME) &&
((!controls(player, room) && !Link_ok(room)) ||
!could_doit(player, room, A_LLINK, 1, 0))) {
notify_quiet(player, "Permission denied.");
} else {
s_Dropto(thing, room);
if (!Quiet(player))
notify_quiet(player, "Dropto set.");
}
break;
default:
STARTLOG(LOG_BUGS, "BUG", "OTYPE")
buff = alloc_mbuf("do_link.LOG.badtype");
sprintf(buff, "Strange object type: object #%d = %d",
thing, Typeof(thing));
log_text(buff);
free_mbuf(buff);
ENDLOG
}
}
/** Create an exit.
* This function opens an exit and optionally links it.
* \param player the enactor.
* \param direction the name of the exit.
* \param linkto the room to link to, as a string.
* \param pseudo a phony location for player if a back exit is needed. This is bpass by do_open() as the source room of the back exit.
* \return dbref of the new exit, or NOTHING.
*/
dbref
do_real_open(dbref player, const char *direction, const char *linkto,
dbref pseudo)
{
dbref loc =
(pseudo !=
NOTHING) ? pseudo : (IsExit(player) ? Source(player) : (IsRoom(player) ?
player :
Location(player)));
dbref new_exit;
char *flaglist, *flagname;
char flagbuff[BUFFER_LEN];
char *name = NULL;
char *alias = NULL;
if (!command_check_byname(player, "@dig")) {
notify(player, T("Permission denied."));
return NOTHING;
}
if ((loc == NOTHING) || (!IsRoom(loc))) {
notify(player, T("Sorry, you can only make exits out of rooms."));
return NOTHING;
}
if (Going(loc)) {
notify(player, T("You can't make an exit in a place that's crumbling."));
return NOTHING;
}
if (!*direction) {
notify(player, T("Open where?"));
return NOTHING;
} else
if (ok_object_name
((char *) direction, player, NOTHING, TYPE_EXIT, &name, &alias) < 1) {
notify(player, T("That's a strange name for an exit!"));
if (name)
mush_free(name, "name.newname");
if (alias)
mush_free(alias, "name.newname");
return NOTHING;
}
if (!Open_Anywhere(player) && !controls(player, loc)) {
notify(player, T("Permission denied."));
} else if (can_pay_fees(player, EXIT_COST)) {
/* create the exit */
new_exit = new_object();
/* initialize everything */
set_name(new_exit, name);
if (alias && *alias != ALIAS_DELIMITER)
atr_add(new_exit, "ALIAS", alias, player, 0);
Owner(new_exit) = Owner(player);
Zone(new_exit) = Zone(player);
Source(new_exit) = loc;
Type(new_exit) = TYPE_EXIT;
Flags(new_exit) = new_flag_bitmask("FLAG");
strcpy(flagbuff, options.exit_flags);
flaglist = trim_space_sep(flagbuff, ' ');
if (*flaglist != '\0') {
while (flaglist) {
flagname = split_token(&flaglist, ' ');
twiddle_flag_internal("FLAG", new_exit, flagname, 0);
}
}
mush_free(name, "name.newname");
if (alias)
mush_free(alias, "name.newname");
/* link it in */
PUSH(new_exit, Exits(loc));
/* and we're done */
notify_format(player, T("Opened exit %s"), unparse_dbref(new_exit));
/* check second arg to see if we should do a link */
if (linkto && *linkto != '\0') {
notify(player, T("Trying to link..."));
if ((loc = check_var_link(linkto)) == NOTHING)
loc = parse_linkable_room(player, linkto);
if (loc != NOTHING) {
if (!payfor(player, LINK_COST)) {
notify_format(player, T("You don't have enough %s to link."), MONIES);
} else {
/* it's ok, link it */
Location(new_exit) = loc;
notify_format(player, T("Linked exit #%d to #%d"), new_exit, loc);
}
}
}
current_state.exits++;
local_data_create(new_exit);
queue_event(player, "OBJECT`CREATE", "%s", unparse_objid(new_exit));
return new_exit;
}
if (name)
mush_free(name, "name.newname");
if (alias)
mush_free(alias, "name.newname");
return NOTHING;
}
/** Link an exit, room, player, or thing.
* \verbatim
* This is the top-level function for @link, which is used to link an
* exit to a destination, set a player or thing's home, or set a
* drop-to on a room.
*
* Linking an exit usually seizes ownership of the exit and costs 1 penny.
* 1 penny is also transferred to the former owner.
* \endverbatim
* \param player the enactor.
* \param name the name of the object to link.
* \param room_name the name of the link destination.
* \param preserve if 1, preserve ownership and zone data on exit relink.
*/
void
do_link(dbref player, const char *name, const char *room_name, int preserve)
{
/* Use this to link to a room that you own.
* It usually seizes ownership of the exit and costs 1 penny,
* plus a penny transferred to the exit owner if they aren't you.
* You must own the linked-to room AND specify it by room number.
*/
dbref thing;
dbref room;
if (!room_name || !*room_name) {
do_unlink(player, name);
return;
}
if (!IsRoom(player) && GoodObject(Location(player)) &&
IsExit(Location(player))) {
notify(player, T("You somehow wound up in a exit. No biscuit."));
return;
}
if ((thing = noisy_match_result(player, name, TYPE_EXIT, MAT_EVERYTHING))
!= NOTHING) {
switch (Typeof(thing)) {
case TYPE_EXIT:
if ((room = check_var_link(room_name)) == NOTHING)
room = parse_linkable_room(player, room_name);
if (room == NOTHING)
return;
if (GoodObject(room) && !can_link_to(player, room)) {
notify(player, T("Permission denied."));
break;
}
/* We may link an exit if it's unlinked and we pass the link-lock
* or if we control it.
*/
if (!(controls(player, thing)
|| ((Location(thing) == NOTHING)
&& eval_lock(player, thing, Link_Lock)))) {
notify(player, T("Permission denied."));
return;
}
if (preserve && !Wizard(player)) {
notify(player, T("Permission denied."));
return;
}
/* handle costs */
if (Owner(thing) == Owner(player)) {
if (!payfor(player, LINK_COST)) {
notify_format(player, T("It costs %d %s to link this exit."),
LINK_COST, ((LINK_COST == 1) ? MONEY : MONIES));
return;
}
} else {
if (!payfor(player, LINK_COST + EXIT_COST)) {
int a = LINK_COST + EXIT_COST;
notify_format(player, T("It costs %d %s to link this exit."), a,
((a == 1) ? MONEY : MONIES));
return;
} else if (!preserve) {
/* pay the owner for his loss */
giveto(Owner(thing), EXIT_COST);
chown_object(player, thing, player, 0);
}
}
/* link has been validated and paid for; do it */
if (!preserve) {
Owner(thing) = Owner(player);
Zone(thing) = Zone(player);
}
Location(thing) = room;
/* notify the player */
notify_format(player, T("Linked exit #%d to %s"), thing,
unparse_object(player, room));
break;
case TYPE_PLAYER:
case TYPE_THING:
if ((room =
noisy_match_result(player, room_name, NOTYPE,
MAT_EVERYTHING)) == NOTHING) {
notify(player, T("No match."));
return;
}
if (IsExit(room)) {
notify(player, T("That is an exit."));
return;
}
if (thing == room) {
notify(player, T("You may not link something to itself."));
return;
}
/* abode */
if (!controls(player, room) && !Abode(room)) {
notify(player, T("Permission denied."));
break;
}
if (!controls(player, thing)) {
notify(player, T("Permission denied."));
} else if (room == HOME) {
notify(player, T("Can't set home to home."));
} else {
/* do the link */
Home(thing) = room; /* home */
if (!Quiet(player) && !(Quiet(thing) && (Owner(thing) == player)))
notify(player, T("Home set."));
}
break;
case TYPE_ROOM:
if ((room = parse_linkable_room(player, room_name)) == NOTHING)
return;
if ((room != HOME) && (!IsRoom(room))) {
notify(player, T("That is not a room!"));
return;
}
if (!controls(player, thing)) {
notify(player, T("Permission denied."));
} else {
/* do the link, in location */
Location(thing) = room; /* dropto */
notify(player, T("Dropto set."));
}
break;
default:
notify(player, T("Internal error: weird object type."));
do_log(LT_ERR, NOTHING, NOTHING,
"Weird object! Type of #%d is %d", thing, Typeof(thing));
break;
}
}
}
