rubidium@9405: /* $Id$ */
rubidium@9405: 
truebrain@9829: /** @file ai_cargo.hpp Everything to query cargos. */
rubidium@9405: 
rubidium@9405: #ifndef AI_CARGO_HPP
rubidium@9405: #define AI_CARGO_HPP
rubidium@9405: 
rubidium@9405: #include "ai_object.hpp"
rubidium@9405: 
truelight@9447: /**
truelight@9447:  * Class that handles all cargo related functions.
truelight@9447:  */
rubidium@9405: class AICargo : public AIObject {
rubidium@9405: public:
truelight@9529: 	static const char *GetClassName() { return "AICargo"; }
truelight@9529: 
truelight@9529: 	/**
rubidium@9472: 	 * Checks whether the given cargo type is valid.
truebrain@9835: 	 * @param cargo_type The cargo to check.
truebrain@9835: 	 * @return True if and only if the cargo type is valid.
rubidium@9472: 	 */
truelight@9490: 	static bool IsValidCargo(CargoID cargo_type);
rubidium@9472: 
rubidium@9472: 	/**
truelight@9447: 	 * Gets the string representation of the cargo label.
truebrain@9835: 	 * @param cargo_type The cargo to get the string representation of.
truebrain@9835: 	 * @return The cargo label.
truebrain@9835: 	 * @note Never use this to check if it is a certain cargo. NewGRF can
truebrain@9835: 	 *  redefine all of the names.
rubidium@9405: 	 */
truebrain@9737: 	static char *GetCargoLabel(CargoID cargo_type);
rubidium@9405: 
rubidium@9405: 	/**
truelight@9447: 	 * Checks whether the give cargo is a freight or not.
truebrain@9835: 	 * @param cargo_type The cargo to check on.
truebrain@9835: 	 * @return True if and only if the cargo is freight.
rubidium@9405: 	 */
truebrain@9737: 	static bool IsFreight(CargoID cargo_type);
rubidium@9405: 
rubidium@9405: 	/**
rubidium@9405: 	 * Get the income for transporting a piece of cargo over the
truelight@9447: 	 *   given distance within the specified time.
truebrain@9835: 	 * @param cargo_type The cargo to transport.
truebrain@9835: 	 * @param distance The distance the cargo travels from begin to end.
truebrain@9835: 	 * @param days_in_transit Amount of (game) days the cargo is in transit.
truebrain@9835: 	 * @return The amount of money that would be earned by this trip.
rubidium@9405: 	 */
truebrain@9814: 	static int32 GetCargoIncome(CargoID cargo_type, uint32 distance, uint32 days_in_transit);
rubidium@9405: };
rubidium@9405: 
rubidium@9405: #endif /* AI_CARGO_HPP */