static void reduce_weight(unit * u)
{
int capacity, weight = 0;
item **itmp = &u->items;
int horses = get_resource(u, get_resourcetype(R_HORSE));
if (horses > 0) {
horses = _min(horses, (u->number * 2));
change_resource(u, get_resourcetype(R_HORSE), -horses);
}
/* 0. ditch any vehicles */
while (*itmp != NULL) {
item *itm = *itmp;
const item_type *itype = itm->type;
if (itype->flags & ITF_VEHICLE) {
give_peasants(u, itm->type, itm->number);
}
else {
weight += itm->number * itype->weight;
}
if (*itmp == itm)
itmp = &itm->next;
}
capacity = walkingcapacity(u);
/* 1. get rid of anything that isn't silver or really lightweight or helpful in combat */
for (itmp = &u->items; *itmp && capacity > 0;) {
item *itm = *itmp;
const item_type *itype = itm->type;
weight += itm->number * itype->weight;
if (weight > capacity) {
if (itype->weight >= 10 && itype->rtype->wtype == 0
&& itype->rtype->atype == 0) {
if (itype->capacity < itype->weight) {
int reduce = _min(itm->number, -((capacity - weight) / itype->weight));
give_peasants(u, itm->type, reduce);
weight -= reduce * itype->weight;
}
}
}
if (*itmp == itm)
itmp = &itm->next;
}
for (itmp = &u->items; *itmp && weight > capacity;) {
item *itm = *itmp;
const item_type *itype = itm->type;
weight += itm->number * itype->weight;
if (itype->capacity < itype->weight) {
int reduce = _min(itm->number, -((capacity - weight) / itype->weight));
give_peasants(u, itm->type, reduce);
weight -= reduce * itype->weight;
}
if (*itmp == itm)
itmp = &itm->next;
}
}
int unit_getcapacity(const unit * u)
{
return walkingcapacity(u);
}
