mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r21462) -Codechange [FS#3689]: don't do unnecessary cargo reservations in while loading/unloading vehicles. It is only needed when at least one vehicle is loading; all other times it is a waste of effort. Roughly halves the time it takes to perform loading/unloading of vehicles (fonsinchen)
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@ -1110,10 +1110,8 @@ static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
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{
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assert(v->current_order.IsType(OT_LOADING));
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assert(v->load_unload_ticks != 0);
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/* We have not waited enough time till the next round of loading/unloading */
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if (--v->load_unload_ticks != 0) {
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if (v->load_unload_ticks != 0) {
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if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
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/* 'Reserve' this cargo for this vehicle, because we were first. */
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for (; v != NULL; v = v->Next()) {
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@ -1423,14 +1421,36 @@ void LoadUnloadStation(Station *st)
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/* No vehicle is here... */
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if (st->loading_vehicles.empty()) return;
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Vehicle *last_loading = NULL;
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std::list<Vehicle *>::iterator iter;
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/* Check if anything will be loaded at all. Otherwise we don't need to reserve either. */
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for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
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Vehicle *v = *iter;
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if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
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assert(v->load_unload_ticks != 0);
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if (--v->load_unload_ticks == 0) last_loading = v;
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}
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/* We only need to reserve and load/unload up to the last loading vehicle.
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* Anything else will be forgotten anyway after returning from this function.
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*
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* Especially this means we do _not_ need to reserve cargo for a single
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* consist in a station which is not allowed to load yet because its
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* load_unload_ticks is still not 0.
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*/
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if (last_loading == NULL) return;
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int cargo_left[NUM_CARGO];
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for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
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std::list<Vehicle *>::iterator iter;
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for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
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Vehicle *v = *iter;
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if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
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if (v == last_loading) break;
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}
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/* Call the production machinery of industries */
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