void remove_lighthouse(const building *lh) {
building *b;
region * r = lh->region;
r->flags &= ~RF_LIGHTHOUSE;
for (b = r->buildings; b; b = b->next) {
if (b != lh && is_lighthouse(b->type)) {
update_lighthouse(b);
}
}
}
/** remove a building from the region.
* remove_building lets units leave the building
*/
void remove_building(building ** blist, building * b)
{
unit *u;
const struct building_type *bt_caravan, *bt_dam, *bt_tunnel;
assert(bfindhash(b->no));
bt_caravan = bt_find("caravan");
bt_dam = bt_find("dam");
bt_tunnel = bt_find("tunnel");
handle_event(b->attribs, "destroy", b);
for (u = b->region->units; u; u = u->next) {
if (u->building == b) leave(u, true);
}
b->size = 0;
update_lighthouse(b);
bunhash(b);
/* Falls Karawanserei, Damm oder Tunnel einstürzen, wird die schon
* gebaute Straße zur Hälfte vernichtet */
if (b->type == bt_caravan || b->type == bt_dam || b->type == bt_tunnel) {
region *r = b->region;
int d;
for (d = 0; d != MAXDIRECTIONS; ++d) {
direction_t dir = (direction_t)d;
if (rroad(r, dir) > 0) {
rsetroad(r, dir, rroad(r, dir) / 2);
}
}
}
/* Stattdessen nur aus Liste entfernen, aber im Speicher halten. */
while (*blist && *blist != b) {
blist = &(*blist)->next;
}
*blist = b->next;
b->region = NULL;
b->next = deleted_buildings;
deleted_buildings = b;
}
int
build_building(unit * u, const building_type * btype, int id, int want, order * ord)
{
region *r = u->region;
int n = want, built = 0;
building *b = NULL;
/* einmalige Korrektur */
const char *btname;
order *new_order = NULL;
const struct locale *lang = u->faction->locale;
static int rule_other = -1;
assert(u->number);
assert(btype->construction);
if (eff_skill(u, SK_BUILDING, r) == 0) {
cmistake(u, ord, 101, MSG_PRODUCE);
return 0;
}
/* Falls eine Nummer angegeben worden ist, und ein Gebaeude mit der
* betreffenden Nummer existiert, ist b nun gueltig. Wenn keine Burg
* gefunden wurde, dann wird nicht einfach eine neue erbaut. Ansonsten
* baut man an der eigenen burg weiter. */
/* Wenn die angegebene Nummer falsch ist, KEINE Burg bauen! */
if (id > 0) { /* eine Nummer angegeben, keine neue Burg bauen */
b = findbuilding(id);
if (!b || b->region != u->region) { /* eine Burg mit dieser Nummer gibt es hier nicht */
/* vieleicht Tippfehler und die eigene Burg ist gemeint? */
if (u->building && u->building->type == btype) {
b = u->building;
}
else {
/* keine neue Burg anfangen wenn eine Nummer angegeben war */
cmistake(u, ord, 6, MSG_PRODUCE);
return 0;
}
}
}
else if (u->building && u->building->type == btype) {
b = u->building;
}
if (b)
btype = b->type;
if (fval(btype, BTF_UNIQUE) && buildingtype_exists(r, btype, false)) {
/* only one of these per region */
cmistake(u, ord, 93, MSG_PRODUCE);
return 0;
}
if (besieged(u)) {
/* units under siege can not build */
cmistake(u, ord, 60, MSG_PRODUCE);
return 0;
}
if (btype->flags & BTF_NOBUILD) {
/* special building, cannot be built */
cmistake(u, ord, 221, MSG_PRODUCE);
return 0;
}
if ((r->terrain->flags & LAND_REGION) == 0) {
/* special terrain, cannot build */
cmistake(u, ord, 221, MSG_PRODUCE);
return 0;
}
if (btype->flags & BTF_ONEPERTURN) {
if (b && fval(b, BLD_EXPANDED)) {
cmistake(u, ord, 318, MSG_PRODUCE);
return 0;
}
n = 1;
}
if (b) {
if (rule_other < 0) {
rule_other =
get_param_int(global.parameters, "rules.build.other_buildings", 1);
}
if (!rule_other) {
unit *owner = building_owner(b);
if (!owner || owner->faction != u->faction) {
cmistake(u, ord, 1222, MSG_PRODUCE);
return 0;
}
}
}
if (b)
built = b->size;
if (n <= 0 || n == INT_MAX) {
if (b == NULL) {
if (btype->maxsize > 0) {
n = btype->maxsize - built;
}
else {
n = INT_MAX;
}
}
else {
if (b->type->maxsize > 0) {
n = b->type->maxsize - built;
}
else {
n = INT_MAX;
}
}
}
built = build(u, btype->construction, built, n);
switch (built) {
case ECOMPLETE:
/* the building is already complete */
cmistake(u, ord, 4, MSG_PRODUCE);
break;
case ENOMATERIALS:
ADDMSG(&u->faction->msgs, msg_materials_required(u, ord,
btype->construction, want));
break;
case ELOWSKILL:
case ENEEDSKILL:
/* no skill, or not enough skill points to build */
cmistake(u, ord, 50, MSG_PRODUCE);
break;
}
if (built <= 0) {
return built;
}
/* at this point, the building size is increased. */
if (b == NULL) {
/* build a new building */
b = new_building(btype, r, lang);
b->type = btype;
fset(b, BLD_MAINTAINED | BLD_WORKING);
/* Die Einheit befindet sich automatisch im Inneren der neuen Burg. */
if (u->number && leave(u, false)) {
u_set_building(u, b);
}
}
btname = LOC(lang, btype->_name);
if (want - built <= 0) {
/* gebäude fertig */
new_order = default_order(lang);
}
else if (want != INT_MAX) {
/* reduzierte restgröße */
const char *hasspace = strchr(btname, ' ');
if (hasspace) {
new_order =
create_order(K_MAKE, lang, "%d \"%s\" %i", n - built, btname, b->no);
}
else {
new_order =
create_order(K_MAKE, lang, "%d %s %i", n - built, btname, b->no);
}
}
else if (btname) {
/* Neues Haus, Befehl mit Gebäudename */
const char *hasspace = strchr(btname, ' ');
if (hasspace) {
new_order = create_order(K_MAKE, lang, "\"%s\" %i", btname, b->no);
}
else {
new_order = create_order(K_MAKE, lang, "%s %i", btname, b->no);
}
}
if (new_order) {
replace_order(&u->orders, ord, new_order);
free_order(new_order);
}
b->size += built;
fset(b, BLD_EXPANDED);
update_lighthouse(b);
ADDMSG(&u->faction->msgs, msg_message("buildbuilding",
"building unit size", b, u, built));
return built;
}
