/**
* This has the controlling code for holding/weilding objects.
* @author Pinkfish
*/
nosave mixed using, weapons;
int *set_unhold( object ob );
int *set_hold( object ob, int pos );
void create() {
weapons = ({ });
} /* create() */
/**
* This method returns the an array of the names of the limbs
* on the living object.
* @return an array of limbs
*/
mixed query_limbs() {
mixed race_ob;
string *limbs;
if( !race_ob = TO->query_race_ob() ) {
using = ({ });
return ({ });
}
limbs = (string *)race_ob->query_limbs();
if( !using )
using = allocate( sizeof(limbs) );
return limbs;
} /* query_limbs() */
/**
* This method returns the current holding array of the living object.
* This has one element in the array for each object and a 0 is in the
* array if that limb is not holding anything. The positions correspond
* to the positions returned by the query_limbs() function.
* @return an array of held objects
* @see query_holding()
* @see query_free_limbs()
* @see query_weapons()
*/
object *query_holding() {
if( !using )
query_limbs();
return copy(using);
} /* query_holding() */
/**
* This method returns the number of free limbs on the living object.
* A free limb! Yes, have a couple of free legs, beat the rush!
* Buy now!
* @return the number of free limbs
* @see query_holding()
* @see query_limbs()
*/
int query_free_limbs() {
if( !using )
query_limbs();
return sizeof( using ) - sizeof( using - ({ 0 }) );
} /* query_free_limbs() */
/**
* This method returns the currently held weapons on the living object.
* This is an array of held items which are weapons and can be used
* in combat.
* @return the array of held weapons
* @see query_holding()
*/
object *query_weapons() {
weapons -= ({ 0 });
return weapons + ({ });
} /* query_weapons() */
/**
* This method sets the object as unheld. It will attempt to remove
* the object from a held limb.
* <p>
* The return array contains the index of the limbs from which the
* item was removed, if the array is 0 size then no items were
* removed.
* @param ob the object to unhold
* @return a array of limb numbers
* @see set_hold()
* @see query_limbs()
*/
int *set_unhold( object ob ) {
int *bits, pos, j;
if( ( pos = member_array( ob, using ) ) == -1 )
return ({ });
if( !ob->set_holder(0) )
return ({ });
if( ob->query_weapon() )
weapons = weapons - ({ ob, 0 });
// Ok, put it down, check to see if it occurs elsewhere in the array.
bits = ({ pos });
using[pos] = 0;
while( ( j = member_array( ob, using ) ) != -1 ) {
using[j] = 0;
bits += ({ j });
}
if( ob->query_armour() )
TO->remove_armour(ob);
call_out("calc_burden", 1 );
return bits;
} /* set_unhold() */
/**
* This method sets the object as held. It will attempt to hold it
* starting at the given position in the limbs array.
* <p>
* The return array contains the index of the limbs from which the
* item was added, if the array is 0 size then no items were
* added.
* @param ob the object to hold
* @param pos the position in the limb array to start holding at
* @return a array of limb numbers
* @see set_unhold()
* @see query_limbs()
*/
int *set_hold( object ob, int pos ) {
int j, x, y, off, ret, *bits, ok;
if( !using )
query_limbs();
if( pos == -1 && ( pos = member_array( 0, using ) ) == -1 )
return ({ });
if( using[pos] && !sizeof( set_unhold(using[pos]) ) )
return ({ });
if( member_array( ob, using ) != -1 && !sizeof( set_unhold(ob) ) )
return ({ });
if( ret = ob->query_no_limbs() ) {
// Wants more than one hand.
ok = 1;
for( j = 1; ok ; j++ ) {
ok = 0;
if( (pos-j) >= 0 && !using[pos-j] )
ok = ++y;
if( (pos+j) < sizeof(using) && !using[pos+j] )
ok = ++x;
}
// We failed. Tell the object about it.
if( y+x+1 < ret )
return ({ });
if( !ob->set_holder( TO, pos ) )
return ({ });
// Try and go up first...
using[pos] = ob;
bits = ({ pos });
for( j = 1; j < ret; j++ ) {
if( x > 0 ) {
bits += ({ pos+(++off) });
using[pos+off] = ob;
if( !--x )
off = 0;
} else {
bits += ({ pos-(++off) });
using[pos-off] = ob;
}
}
if( ob->query_weapon() )
weapons += ({ ob });
call_out("calc_burden", 1 );
return bits;
}
return ({ });
} /* set_hold() */
