Merge branch 'master' into jgrpp

This commit is contained in:
Jonathan G Rennison
2016-12-05 19:24:57 +00:00

View File

@@ -3577,6 +3577,7 @@ void RerouteCargo(Station *st, CargoID c, StationID avoid, StationID avoid2)
void DeleteStaleLinks(Station *from)
{
for (CargoID c = 0; c < NUM_CARGO; ++c) {
const bool auto_distributed = (_settings_game.linkgraph.GetDistributionType(c) != DT_MANUAL);
GoodsEntry &ge = from->goods[c];
LinkGraph *lg = LinkGraph::GetIfValid(ge.link_graph);
if (lg == NULL) continue;
@@ -3589,36 +3590,52 @@ void DeleteStaleLinks(Station *from)
assert(_date >= edge.LastUpdate());
uint timeout = max<uint>((LinkGraph::MIN_TIMEOUT_DISTANCE + (DistanceManhattan(from->xy, to->xy) >> 3)) / _settings_game.economy.day_length_factor, 1);
if ((uint)(_date - edge.LastUpdate()) > timeout) {
/* Have all vehicles refresh their next hops before deciding to
* remove the node. */
bool updated = false;
OrderList *l;
FOR_ALL_ORDER_LISTS(l) {
bool found_from = false;
bool found_to = false;
for (Order *order = l->GetFirstOrder(); order != NULL; order = order->next) {
if (!order->IsType(OT_GOTO_STATION) && !order->IsType(OT_IMPLICIT)) continue;
if (order->GetDestination() == from->index) {
found_from = true;
if (found_to) break;
} else if (order->GetDestination() == to->index) {
found_to = true;
if (found_from) break;
if (auto_distributed) {
/* Have all vehicles refresh their next hops before deciding to
* remove the node. */
OrderList *l;
SmallVector<Vehicle *, 32> vehicles;
FOR_ALL_ORDER_LISTS(l) {
bool found_from = false;
bool found_to = false;
for (Order *order = l->GetFirstOrder(); order != NULL; order = order->next) {
if (!order->IsType(OT_GOTO_STATION) && !order->IsType(OT_IMPLICIT)) continue;
if (order->GetDestination() == from->index) {
found_from = true;
if (found_to) break;
} else if (order->GetDestination() == to->index) {
found_to = true;
if (found_from) break;
}
}
if (!found_to || !found_from) continue;
*(vehicles.Append()) = l->GetFirstSharedVehicle();
}
if (!found_to || !found_from) continue;
for (Vehicle *v = l->GetFirstSharedVehicle(); !updated && v != NULL; v = v->NextShared()) {
/* There is potential for optimization here:
* - Usually consists of the same order list are the same. It's probably better to
* first check the first of each list, then the second of each list and so on.
* - We could try to figure out if we've seen a consist with the same cargo on the
* same list already and if the consist can actually carry the cargo we're looking
* for. With conditional and refit orders this is not quite trivial, though. */
Vehicle **iter = vehicles.Begin();
while (iter != vehicles.End()) {
Vehicle *v = *iter;
LinkRefresher::Run(v, false); // Don't allow merging. Otherwise lg might get deleted.
if (edge.LastUpdate() == _date) updated = true;
if (edge.LastUpdate() == _date) {
updated = true;
break;
}
Vehicle *next_shared = v->NextShared();
if (next_shared) {
*iter = next_shared;
++iter;
} else {
vehicles.Erase(iter);
}
if (iter == vehicles.End()) iter = vehicles.Begin();
}
if (updated) break;
}
if (!updated) {
/* If it's still considered dead remove it. */
node.RemoveEdge(to->goods[c].node);