/*
* Free obj from whatever list it is on in preperation of deleting it or
* moving it elsewhere. This will perform all high-level consequences
* involved with removing the item. E.g. if the object is in the hero's
* inventory and confers heat resistance, the hero will lose it.
*
* Object positions:
* OBJ_FREE not on any list
* OBJ_FLOOR fobj, level.locations[][] chains (use remove_object)
* OBJ_CONTAINED cobj chain of container object
* OBJ_INVENT hero's invent chain (use freeinv)
* OBJ_MINVENT monster's invent chain
* OBJ_MIGRATING migrating chain
* OBJ_BURIED level.buriedobjs chain
* OBJ_ONBILL on billobjs chain
*/
void
obj_extract_self(struct obj *obj)
{
switch (obj->where) {
case OBJ_FREE:
break;
case OBJ_FLOOR:
remove_object(obj);
break;
case OBJ_CONTAINED:
extract_nobj(obj, &obj->ocontainer->cobj);
container_weight(obj->ocontainer);
break;
case OBJ_INVENT:
freeinv(obj);
break;
case OBJ_MINVENT:
extract_nobj(obj, &obj->ocarry->minvent);
break;
case OBJ_MIGRATING:
extract_nobj(obj, &migrating_objs);
break;
case OBJ_BURIED:
extract_nobj(obj, &level.buriedobjlist);
break;
case OBJ_ONBILL:
extract_nobj(obj, &billobjs);
break;
default:
panic("obj_extract_self");
break;
}
}
/* Recalculate the weight of this container and all of _its_ containers. */
static void container_weight(struct obj *container)
{
container->owt = weight(container);
if (container->where == OBJ_CONTAINED)
container_weight(container->ocontainer);
/*
else if (container->where == OBJ_INVENT)
recalculate load delay here ???
*/
}
