1 // 2 // Copyright (C) 2010 Nick Gasson 3 // 4 // This program is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program. If not, see <http://www.gnu.org/licenses/>. 16 // 17 18 #ifndef INC_ICARGO_HPP 19 #define INC_ICARGO_HPP 20 21 #include "Platform.hpp" 22 23 enum CargoType { 24 NONE = 0, 25 COAL 26 }; 27 28 // A quantity of cargo loaded on a truck or waiting at a station 29 struct ICargo { ~ICargoICargo30 virtual ~ICargo() {} 31 32 virtual CargoType type() const = 0; 33 }; 34 35 typedef shared_ptr<ICargo> ICargoPtr; 36 37 ICargoPtr make_cargo(CargoType type); 38 39 #endif 40