Merge branch 'running-costs-exploration' into jgrpp

src/train_cmd.cpp

@@ -6481,6 +6481,16 @@ Money Train::GetRunningCost() const
 		cost += GetPrice(e->u.rail.running_cost_class, cost_factor, e->GetGRF());
 	} while ((v = v->GetNextVehicle()) != nullptr);
 
+	if (this->cur_speed == 0) {
+		if (this->IsInDepot()) {
+			/* running costs if in depot */
+			cost = CeilDivT<Money>(cost, _settings_game.difficulty.vehicle_costs_in_depot);
+		} else {
+			/* running costs if stopped */
+			cost = CeilDivT<Money>(cost, _settings_game.difficulty.vehicle_costs_when_stopped);
+		}
+	}
+
 	return cost;
 }