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-rw-r--r--src/vehicle.cpp162
1 files changed, 162 insertions, 0 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index b209092fb..1a50a0241 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -2002,6 +2002,13 @@ void Vehicle::BeginLoading()
Station::Get(this->last_station_visited)->loading_vehicles.push_back(this);
+ if (this->last_loading_station != INVALID_STATION &&
+ this->last_loading_station != this->last_station_visited &&
+ ((this->current_order.GetLoadType() & OLFB_NO_LOAD) == 0 ||
+ (this->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0)) {
+ IncreaseStats(Station::Get(this->last_loading_station), this, this->last_station_visited);
+ }
+
PrepareUnload(this);
SetWindowDirty(GetWindowClassForVehicleType(this->type), this->owner);
@@ -2043,6 +2050,23 @@ void Vehicle::LeaveStation()
/* Only update the timetable if the vehicle was supposed to stop here. */
if (this->current_order.GetNonStopType() != ONSF_STOP_EVERYWHERE) UpdateVehicleTimetable(this, false);
+ if ((this->current_order.GetLoadType() & OLFB_NO_LOAD) == 0 ||
+ (this->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
+ if (this->current_order.CanLeaveWithCargo(this->last_loading_station != INVALID_STATION)) {
+ /* Refresh next hop stats to make sure we've done that at least once
+ * during the stop and that refit_cap == cargo_cap for each vehicle in
+ * the consist. */
+ this->RefreshNextHopsStats();
+
+ /* if the vehicle could load here or could stop with cargo loaded set the last loading station */
+ this->last_loading_station = this->last_station_visited;
+ } else {
+ /* if the vehicle couldn't load and had to unload or transfer everything
+ * set the last loading station to invalid as it will leave empty. */
+ this->last_loading_station = INVALID_STATION;
+ }
+ }
+
this->current_order.MakeLeaveStation();
Station *st = Station::Get(this->last_station_visited);
this->CancelReservation(st);
@@ -2061,6 +2085,116 @@ void Vehicle::LeaveStation()
}
}
+/**
+ * Predict a vehicle's course from its current state and refresh all links it
+ * will visit. As a side effect reset the refit_cap of all vehicles in the
+ * consist to the cargo_cap. This method is expected to be called when loading
+ * at a station so it's safe to do so.
+ */
+void Vehicle::RefreshNextHopsStats()
+{
+ /* Assemble list of capacities and set last loading stations to 0. */
+ SmallMap<CargoID, uint, 1> capacities;
+ for (Vehicle *v = this; v != NULL; v = v->Next()) {
+ v->refit_cap = v->cargo_cap;
+ if (v->refit_cap == 0) continue;
+
+ SmallPair<CargoID, uint> *i = capacities.Find(v->cargo_type);
+ if (i == capacities.End()) {
+ /* Braindead smallmap not providing a good method for that...
+ * capacities[v->cargo_type] += v->cargo_cap won't do as that just
+ * allocates the memory, but doesn't initialize it if the key isn't
+ * there, yet. So we still have to check if the key exists and that
+ * is best done with Find(). */
+ i = capacities.Append();
+ i->first = v->cargo_type;
+ i->second = v->refit_cap;
+ } else {
+ i->second += v->refit_cap;
+ }
+ }
+
+ /* If orders were deleted while loading, we're done here.*/
+ if (this->orders.list == NULL) return;
+
+ uint hops = 0;
+ const Order *first = this->GetOrder(this->cur_implicit_order_index);
+ do {
+ /* Make sure the first order is a station order. */
+ first = this->orders.list->GetNextStoppingOrder(this, first, hops++);
+ if (first == NULL) return;
+ } while (!first->IsType(OT_GOTO_STATION));
+ hops = 0;
+
+ const Order *cur = first;
+ const Order *next = first;
+ while (next != NULL && cur->CanLeaveWithCargo(true)) {
+ next = this->orders.list->GetNextStoppingOrder(this,
+ this->orders.list->GetNext(next), ++hops);
+ if (next == NULL) break;
+
+ /* If the refit cargo is CT_AUTO_REFIT, we're optimistic and assume the
+ * cargo will stay the same. The point of this method is to avoid
+ * deadlocks due to vehicles waiting for cargo that isn't being routed,
+ * yet. That situation will not occur if the vehicle is actually
+ * carrying a different cargo in the end. */
+ if (next->IsAutoRefit() && next->GetRefitCargo() != CT_AUTO_REFIT) {
+ /* Handle refit by dropping some vehicles. */
+ CargoID new_cid = next->GetRefitCargo();
+ for (Vehicle *v = this; v != NULL; v = v->Next()) {
+ const Engine *e = Engine::Get(v->engine_type);
+ if (!HasBit(e->info.refit_mask, new_cid)) continue;
+
+ /* Back up the vehicle's cargo type */
+ CargoID temp_cid = v->cargo_type;
+ byte temp_subtype = v->cargo_subtype;
+ v->cargo_type = new_cid;
+ v->cargo_subtype = GetBestFittingSubType(v, v, new_cid);
+
+ uint16 mail_capacity = 0;
+ uint amount = e->DetermineCapacity(v, &mail_capacity);
+
+ /* Restore the original cargo type */
+ v->cargo_type = temp_cid;
+ v->cargo_subtype = temp_subtype;
+
+ /* Skip on next refit. */
+ if (new_cid != v->cargo_type && v->refit_cap > 0) {
+ capacities[v->cargo_type] -= v->refit_cap;
+ v->refit_cap = 0;
+ } else if (amount < v->refit_cap) {
+ capacities[v->cargo_type] -= v->refit_cap - amount;
+ v->refit_cap = amount;
+ }
+
+ /* Special case for aircraft with mail. */
+ if (v->type == VEH_AIRCRAFT) {
+ Vehicle *u = v->Next();
+ if (mail_capacity < u->refit_cap) {
+ capacities[u->cargo_type] -= u->refit_cap - mail_capacity;
+ u->refit_cap = mail_capacity;
+ }
+ break; // aircraft have only one vehicle
+ }
+ }
+ }
+
+ if (next->IsType(OT_GOTO_STATION)) {
+ StationID next_station = next->GetDestination();
+ Station *st = Station::GetIfValid(cur->GetDestination());
+ if (st != NULL && next_station != INVALID_STATION && next_station != st->index) {
+ for (const SmallPair<CargoID, uint> *i = capacities.Begin(); i != capacities.End(); ++i) {
+ /* Refresh the link and give it a minimum capacity. */
+ if (i->second > 0) IncreaseStats(st, i->first, next_station, i->second, UINT_MAX);
+ }
+ }
+ cur = next;
+ if (cur == first) break;
+ }
+ }
+
+ for (Vehicle *v = this; v != NULL; v = v->Next()) v->refit_cap = v->cargo_cap;
+}
/**
* Handle the loading of the vehicle; when not it skips through dummy
@@ -2099,6 +2233,34 @@ void Vehicle::HandleLoading(bool mode)
}
/**
+ * Get a map of cargoes and free capacities in the consist.
+ * @param capacities Map to be filled with cargoes and capacities.
+ */
+void Vehicle::GetConsistFreeCapacities(SmallMap<CargoID, uint> &capacities) const
+{
+ for (const Vehicle *v = this; v != NULL; v = v->Next()) {
+ if (v->cargo_cap == 0) continue;
+ SmallPair<CargoID, uint> *pair = capacities.Find(v->cargo_type);
+ if (pair == capacities.End()) {
+ pair = capacities.Append();
+ pair->first = v->cargo_type;
+ pair->second = v->cargo_cap - v->cargo.StoredCount();
+ } else {
+ pair->second += v->cargo_cap - v->cargo.StoredCount();
+ }
+ }
+}
+
+uint Vehicle::GetConsistTotalCapacity() const
+{
+ uint result = 0;
+ for (const Vehicle *v = this; v != NULL; v = v->Next()) {
+ result += v->cargo_cap;
+ }
+ return result;
+}
+
+/**
* Send this vehicle to the depot using the given command(s).
* @param flags the command flags (like execute and such).
* @param command the command to execute.
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-02 06:09:58 +0000