static int caldera_handle(trigger * t, void *data)
{
/* call an event handler on caldera.
* data.v -> ( variant event, int timer )
*/
building *b = (building *)t->data.v;
if (b != NULL) {
unit **up = &b->region->units;
while (*up) {
unit *u = *up;
if (u->building == b) {
message *msg;
if (u->items) {
item **ip = &u->items;
msg = msg_message("caldera_handle_1", "unit items", u, u->items);
while (*ip) {
item *i = *ip;
i_remove(ip, i);
if (*ip == i)
ip = &i->next;
}
}
else {
msg = msg_message("caldera_handle_0", "unit", u);
}
add_message(&u->region->msgs, msg);
set_number(u, 0);
}
if (*up == u)
up = &u->next;
}
}
else {
log_error("could not perform caldera::handle()\n");
}
unused_arg(data);
return 0;
}
/** give all items to friends or peasants.
* this function returns 0 on success, or 1 if there are items that
* could not be destroyed.
*/
int gift_items(unit * u, int flags)
{
region *r = u->region;
item **itm_p = &u->items;
int retval = 0;
int rule = rule_give();
assert(u->region);
assert(u->faction);
if ((u->faction->flags & FFL_QUIT) == 0 || (rule & GIVE_ONDEATH) == 0) {
if ((rule & GIVE_ALLITEMS) == 0 && (flags & GIFT_FRIENDS))
flags -= GIFT_FRIENDS;
if ((rule & GIVE_PEASANTS) == 0 && (flags & GIFT_PEASANTS))
flags -= GIFT_PEASANTS;
if ((rule & GIVE_SELF) == 0 && (flags & GIFT_SELF))
flags -= GIFT_SELF;
}
if (u->items == NULL || fval(u_race(u), RCF_ILLUSIONARY))
return 0;
if ((u_race(u)->ec_flags & GIVEITEM) == 0)
return 0;
/* at first, I should try giving my crap to my own units in this region */
if (u->faction && (u->faction->flags & FFL_QUIT) == 0 && (flags & GIFT_SELF)) {
unit *u2, *u3 = NULL;
for (u2 = r->units; u2; u2 = u2->next) {
if (u2 != u && u2->faction == u->faction && u2->number > 0) {
/* some units won't take stuff: */
if (u_race(u2)->ec_flags & GETITEM) {
/* we don't like to gift it to units that won't give it back */
if (u_race(u2)->ec_flags & GIVEITEM) {
i_merge(&u2->items, &u->items);
u->items = NULL;
break;
} else {
u3 = u2;
}
}
}
}
if (u->items && u3) {
/* if nobody else takes it, we give it to a unit that has issues */
i_merge(&u3->items, &u->items);
u->items = NULL;
}
if (u->items == NULL)
return 0;
}
/* if I have friends, I'll try to give my stuff to them */
if (u->faction && (flags & GIFT_FRIENDS)) {
int number = 0;
buddy *friends = get_friends(u, &number);
while (friends) {
struct buddy *nf = friends;
unit *u2 = nf->unit;
item *itm = u->items;
while (itm != NULL) {
const item_type *itype = itm->type;
item *itn = itm->next;
int n = itm->number;
n = n * nf->number / number;
if (n > 0) {
i_change(&u->items, itype, -n);
i_change(&u2->items, itype, n);
}
itm = itn;
}
number -= nf->number;
friends = nf->next;
free(nf);
}
if (u->items == NULL)
return 0;
}
/* last, but not least, give money and horses to peasants */
while (*itm_p) {
item *itm = *itm_p;
if (flags & GIFT_PEASANTS) {
if (!fval(u->region->terrain, SEA_REGION)) {
if (itm->type == olditemtype[I_HORSE]) {
rsethorses(r, rhorses(r) + itm->number);
itm->number = 0;
} else if (itm->type == i_silver) {
rsetmoney(r, rmoney(r) + itm->number);
itm->number = 0;
}
}
}
if (itm->number > 0 && (itm->type->flags & ITF_NOTLOST)) {
itm_p = &itm->next;
retval = -1;
} else {
i_remove(itm_p, itm);
i_free(itm);
}
}
return retval;
}
