diff options
Diffstat (limited to 'src/ai/api')
| -rw-r--r-- | src/ai/api/ai_cargo.hpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/ai/api/ai_cargo.hpp b/src/ai/api/ai_cargo.hpp index 381f4f7e2..cc71713e6 100644 --- a/src/ai/api/ai_cargo.hpp +++ b/src/ai/api/ai_cargo.hpp @@ -18,7 +18,7 @@ public: * The classes of cargo (from newgrf_cargo.h). */ enum CargoClass { - CC_PASSENGERS = 1 << 0, //!< Passengers + CC_PASSENGERS = 1 << 0, //!< Passengers. Cargos of this class appear at bus stops. Cargos not of this class appear at truck stops. CC_MAIL = 1 << 1, //!< Mail CC_EXPRESS = 1 << 2, //!< Express cargo (Goods, Food, Candy, but also possible for passengers) CC_ARMOURED = 1 << 3, //!< Armoured cargo (Valuables, Gold, Diamonds) @@ -52,6 +52,7 @@ public: /** * Gets the string representation of the cargo label. * @param cargo_type The cargo to get the string representation of. + * @pre AICargo::IsValidCargo(cargo_type). * @return The cargo label. * @note Never use this to check if it is a certain cargo. NewGRF can * redefine all of the names. @@ -60,7 +61,10 @@ public: /** * Checks whether the give cargo is a freight or not. + * This defines whether the "freight train weight multiplier" will apply to + * trains transporting this cargo. * @param cargo_type The cargo to check on. + * @pre AICargo::IsValidCargo(cargo_type). * @return True if and only if the cargo is freight. */ static bool IsFreight(CargoID cargo_type); @@ -68,6 +72,7 @@ public: /** * Check if this cargo is in the requested cargo class. * @param cargo_type The cargo to check on. + * @pre AICargo::IsValidCargo(cargo_type). * @param cargo_class The class to check for. * @return True if and only if the cargo is in the cargo class. */ @@ -76,6 +81,7 @@ public: /** * Get the effect this cargo has on a town. * @param cargo_type The cargo to check on. + * @pre AICargo::IsValidCargo(cargo_type). * @return The effect this cargo has on a town, or TE_NONE if it has no effect. */ static TownEffect GetTownEffect(CargoID cargo_type); @@ -84,6 +90,7 @@ public: * Get the income for transporting a piece of cargo over the * given distance within the specified time. * @param cargo_type The cargo to transport. + * @pre AICargo::IsValidCargo(cargo_type). * @param distance The distance the cargo travels from begin to end. * @param days_in_transit Amount of (game) days the cargo is in transit. The max value of this variable is 637. Any value higher returns the same as 637 would. * @return The amount of money that would be earned by this trip. |