/** 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;
}
/** Clone an object.
* \verbatim
* This is the top-level function for @clone, which creates a duplicate
* of a (non-player) object.
* \endverbatim
* \param player the enactor.
* \param name the name of the object to clone.
* \param newname the name to give the duplicate.
* \param preserve if 1, preserve ownership and privileges on duplicate.
* \paran newdbref the (unparsed) dbref to give the object, or NULL to use the next free
* \return dbref of the duplicate, or NOTHING.
*/
dbref
do_clone(dbref player, char *name, char *newname, int preserve, char *newdbref)
{
dbref clone, thing;
char dbnum[BUFFER_LEN];
thing = noisy_match_result(player, name, NOTYPE, MAT_EVERYTHING);
if ((thing == NOTHING))
return NOTHING;
if (newname && *newname && !ok_name(newname, IsExit(thing))) {
notify(player, T("That is not a reasonable name."));
return NOTHING;
}
if (!controls(player, thing) || IsPlayer(thing) ||
(IsRoom(thing) && !command_check_byname(player, "@dig")) ||
(IsExit(thing) && !command_check_byname(player, "@open")) ||
(IsThing(thing) && !command_check_byname(player, "@create"))) {
notify(player, T("Permission denied."));
return NOTHING;
}
/* don't allow cloning of destructed things */
if (IsGarbage(thing)) {
notify(player, T("There's nothing left of it to clone!"));
return NOTHING;
}
if (preserve && !Wizard(player)) {
notify(player, T("You cannot @CLONE/PRESERVE. Use normal @CLONE instead."));
return NOTHING;
}
if (!make_first_free_wrapper(player, newdbref)) {
return NOTHING;
}
/* make sure owner can afford it */
switch (Typeof(thing)) {
case TYPE_THING:
if (can_pay_fees(player, Pennies(thing))) {
clone = clone_object(player, thing, newname, preserve);
notify_format(player, T("Cloned: Object %s."), unparse_dbref(clone));
if (IsRoom(player))
moveto(clone, player, player, "cloned");
else
moveto(clone, Location(player), player, "cloned");
current_state.things++;
local_data_clone(clone, thing);
real_did_it(player, clone, NULL, NULL, NULL, NULL, "ACLONE", NOTHING,
global_eval_context.wenv, 0);
return clone;
}
return NOTHING;
break;
case TYPE_ROOM:
if (can_pay_fees(player, ROOM_COST)) {
clone = clone_object(player, thing, newname, preserve);
Exits(clone) = NOTHING;
notify_format(player, T("Cloned: Room #%d."), clone);
current_state.rooms++;
local_data_clone(clone, thing);
real_did_it(player, clone, NULL, NULL, NULL, NULL, "ACLONE", NOTHING,
global_eval_context.wenv, 0);
return clone;
}
return NOTHING;
break;
case TYPE_EXIT:
/* For exits, we don't want people to be able to link it to
a location they can't with @open. So, all this stuff.
*/
switch (Location(thing)) {
case NOTHING:
strcpy(dbnum, "#-1");
break;
case HOME:
strcpy(dbnum, "home");
break;
case AMBIGUOUS:
strcpy(dbnum, "variable");
break;
default:
strcpy(dbnum, unparse_dbref(Location(thing)));
}
if (newname && *newname)
clone = do_real_open(player, newname, dbnum, NOTHING);
else
clone = do_real_open(player, Name(thing), dbnum, NOTHING);
if (!GoodObject(clone)) {
return NOTHING;
} else {
atr_cpy(clone, thing);
clone_locks(player, thing, clone);
Zone(clone) = Zone(thing);
Parent(clone) = Parent(thing);
Flags(clone) = clone_flag_bitmask("FLAG", Flags(thing));
if (!preserve) {
clear_flag_internal(clone, "WIZARD");
clear_flag_internal(clone, "ROYALTY");
Warnings(clone) = 0; /* zap warnings */
Powers(clone) = new_flag_bitmask("POWER"); /* zap powers */
} else {
Warnings(clone) = Warnings(thing);
Powers(clone) = clone_flag_bitmask("POWER", Powers(thing));
}
if (Wizard(clone) || Royalty(clone) || Warnings(clone) ||
!null_flagmask("POWER", Powers(clone)))
notify(player,
T
("Warning: @CLONE/PRESERVE on an object with WIZ, ROY, @powers, or @warnings."));
notify_format(player, T("Cloned: Exit #%d."), clone);
local_data_clone(clone, thing);
return clone;
}
}
return NOTHING;
}
/** Create a room.
* \verbatim
* This is the top-level interface for @dig.
* \endverbatim
* \param player the enactor.
* \param name the name of the room to create.
* \param argv array of additional arguments to command
* (exit forward,exit back,newdbref)
* \param tport if 1, teleport the player to the new room.
* \return dbref of new room, or NOTHING.
*/
dbref
do_dig(dbref player, const char *name, char **argv, int tport)
{
dbref room;
char *flaglist, *flagname;
char flagbuff[BUFFER_LEN];
char *newdbref = NULL;
if (argv[3] && *argv[3]) {
newdbref = argv[3];
}
/* we don't need to know player's location! hooray! */
if (*name == '\0') {
notify(player, T("Dig what?"));
} else if (!ok_name(name, 0)) {
notify(player, T("That's a silly name for a room!"));
} else if (can_pay_fees(player, ROOM_COST)) {
if (!make_first_free_wrapper(player, newdbref)) {
return NOTHING;
}
room = new_object();
/* Initialize everything */
set_name(room, name);
Owner(room) = Owner(player);
Zone(room) = Zone(player);
Type(room) = TYPE_ROOM;
Flags(room) = new_flag_bitmask("FLAG");
strcpy(flagbuff, options.room_flags);
flaglist = trim_space_sep(flagbuff, ' ');
if (*flaglist != '\0') {
while (flaglist) {
flagname = split_token(&flaglist, ' ');
twiddle_flag_internal("FLAG", room, flagname, 0);
}
}
notify_format(player, T("%s created with room number %d."), name, room);
if (argv[1] && *argv[1]) {
char nbuff[MAX_COMMAND_LEN];
sprintf(nbuff, "#%d", room);
do_real_open(player, argv[1], nbuff, NOTHING);
}
if (argv[2] && *argv[2]) {
do_real_open(player, argv[2], "here", room);
}
current_state.rooms++;
local_data_create(room);
if (tport) {
/* We need to use the full command, because we need NO_TEL
* and Z_TEL checking */
char roomstr[MAX_COMMAND_LEN];
sprintf(roomstr, "#%d", room);
do_teleport(player, "me", roomstr, 0, 0); /* if flag, move the player */
}
queue_event(player, "OBJECT`CREATE", "%s", unparse_objid(room));
return room;
}
return NOTHING;
}
/** Create a thing.
* \verbatim
* This is the top-level function for @create.
* \endverbatim
* \param player the enactor.
* \param name name of thing to create.
* \param cost pennies spent in creation.
* \paran newdbref the (unparsed) dbref to give the object, or NULL to use the next free
* \return dbref of new thing, or NOTHING.
*/
dbref
do_create(dbref player, char *name, int cost, char *newdbref)
{
dbref loc;
dbref thing;
char *flaglist, *flagname;
char flagbuff[BUFFER_LEN];
if (*name == '\0') {
notify(player, T("Create what?"));
return NOTHING;
} else if (!ok_name(name, 0)) {
notify(player, T("That's a silly name for a thing!"));
return NOTHING;
} else if (cost < OBJECT_COST) {
cost = OBJECT_COST;
}
if (!make_first_free_wrapper(player, newdbref)) {
return NOTHING;
}
if (can_pay_fees(player, cost)) {
/* create the object */
thing = new_object();
/* initialize everything */
set_name(thing, name);
if (!IsExit(player)) /* Exits shouldn't have contents! */
Location(thing) = player;
else
Location(thing) = Source(player);
Owner(thing) = Owner(player);
Zone(thing) = Zone(player);
s_Pennies(thing, cost);
Type(thing) = TYPE_THING;
Flags(thing) = new_flag_bitmask("FLAG");
strcpy(flagbuff, options.thing_flags);
flaglist = trim_space_sep(flagbuff, ' ');
if (*flaglist != '\0') {
while (flaglist) {
flagname = split_token(&flaglist, ' ');
twiddle_flag_internal("FLAG", thing, flagname, 0);
}
}
/* home is here (if we can link to it) or player's home */
if ((loc = Location(player)) != NOTHING &&
(controls(player, loc) || Abode(loc))) {
Home(thing) = loc; /* home */
} else {
Home(thing) = Home(player); /* home */
}
/* link it in */
if (!IsExit(player))
PUSH(thing, Contents(player));
else
PUSH(thing, Contents(Source(player)));
/* and we're done */
notify_format(player, T("Created: Object %s."), unparse_dbref(thing));
current_state.things++;
local_data_create(thing);
queue_event(player, "OBJECT`CREATE", "%s", unparse_objid(thing));
return thing;
}
return NOTHING;
}
/** Change an object's owner.
* \verbatim
* This implements @chown.
* \endverbatim
* \param player the enactor.
* \param name name of object to change owner of.
* \param newobj name of new owner for object.
* \param preserve if 1, preserve privileges and don't halt the object.
* \param pe_info the pe_info for lock checks
*/
void
do_chown(dbref player, const char *name, const char *newobj, int preserve,
NEW_PE_INFO *pe_info)
{
dbref thing;
dbref newowner = NOTHING;
long match_flags = MAT_POSSESSION | MAT_HERE | MAT_EXIT | MAT_ABSOLUTE;
/* check for '@chown <object>/<atr>=<player>' */
if (strchr(name, '/')) {
do_atrchown(player, name, newobj);
return;
}
if (Wizard(player))
match_flags |= MAT_PLAYER;
if ((thing = noisy_match_result(player, name, TYPE_THING, match_flags))
== NOTHING)
return;
if (!*newobj || !strcasecmp(newobj, "me")) {
newowner = player;
} else {
if ((newowner = lookup_player(newobj)) == NOTHING) {
notify(player, T("I couldn't find that player."));
return;
}
}
if (IsPlayer(thing) && !God(player)) {
notify(player, T("Players always own themselves."));
return;
}
/* Permissions checking */
if (!chown_ok(player, thing, newowner, pe_info)) {
notify(player, T("Permission denied."));
return;
}
if (IsThing(thing) && !Hasprivs(player) &&
!(GoodObject(Location(thing)) && (Location(thing) == player))) {
notify(player, T("You must carry the object to @chown it."));
return;
}
if (preserve && !Wizard(player)) {
notify(player, T("You cannot @CHOWN/PRESERVE. Use normal @CHOWN."));
return;
}
/* chowns to the zone master don't count towards fees */
if (!ZMaster(newowner)) {
/* Debit the owner-to-be */
if (!can_pay_fees(newowner, Pennies(thing))) {
/* not enough money or quota */
if (newowner != player)
notify(player,
T
("That player doesn't have enough money or quota to receive that object."));
return;
}
/* Credit the current owner */
giveto(Owner(thing), Pennies(thing));
change_quota(Owner(thing), QUOTA_COST);
}
chown_object(player, thing, newowner, preserve);
notify(player, T("Owner changed."));
}