static void test_active_building(CuTest *tc) {
building *b;
region *r;
unit *u;
building_type *btype;
test_setup();
btype = test_create_buildingtype("castle");
assert(btype && btype->maxsize == -1);
b = test_create_building(r = test_create_region(0, 0, NULL), btype);
u = test_create_unit(test_create_faction(NULL), r);
CuAssertIntEquals(tc, false, building_is_active(b));
CuAssertPtrEquals(tc, NULL, active_building(u, btype));
b->flags |= BLD_MAINTAINED;
CuAssertIntEquals(tc, true, building_is_active(b));
CuAssertPtrEquals(tc, NULL, active_building(u, btype));
u_set_building(u, b);
CuAssertIntEquals(tc, true, building_is_active(b));
CuAssertPtrNotNull(tc, active_building(u, btype) );
btype->maxsize = 10;
b->size = btype->maxsize;
CuAssertIntEquals(tc, true, building_is_active(b));
CuAssertPtrNotNull(tc, active_building(u, btype) );
b->size = 9;
CuAssertIntEquals(tc, false, building_is_active(b));
CuAssertPtrEquals(tc, NULL, active_building(u, btype));
btype->maxsize = -1;
b->flags &= ~BLD_MAINTAINED;
CuAssertIntEquals(tc, false, building_is_active(b));
CuAssertPtrEquals(tc, NULL, active_building(u, btype));
test_teardown();
}
static unsigned int get_markets(region * r, unit ** results, size_t size)
{
unsigned int n = 0;
building *b;
const building_type *btype = bt_find("market");
if (!btype)
return 0;
for (b = r->buildings; n < size && b; b = b->next) {
if (b->type == btype && building_is_active(b)) {
unit *u = building_owner(b);
/* I decided to omit check for inside_building(u) */
unsigned int i;
for (i = 0; u && i != n; ++i) {
/* only one market per faction */
if (results[i]->faction == u->faction)
u = NULL;
}
if (u) {
results[n++] = u;
}
}
}
return n;
}
building *active_building(const unit *u, const struct building_type *btype) {
if (u->building && u->building->type == btype && building_is_active(u->building)) {
return inside_building(u);
}
return 0;
}
