(svn r25259) -Codechange: track capacities and usage of links

src/vehicle_base.h

@@ -12,6 +12,7 @@
 #ifndef VEHICLE_BASE_H
 #define VEHICLE_BASE_H
 
+#include "core/smallmap_type.hpp"
 #include "track_type.h"
 #include "command_type.h"
 #include "order_base.h"
@@ -211,10 +212,12 @@ public:
 	byte waiting_triggers;              ///< Triggers to be yet matched before rerandomizing the random bits.
 
 	StationID last_station_visited;     ///< The last station we stopped at.
+	StationID last_loading_station;     ///< Last station the vehicle has stopped at and could possibly leave from with any cargo loaded.
 
 	CargoID cargo_type;                 ///< type of cargo this vehicle is carrying
 	byte cargo_subtype;                 ///< Used for livery refits (NewGRF variations)
 	uint16 cargo_cap;                   ///< total capacity
+	uint16 refit_cap;                   ///< Capacity left over from before last refit.
 	VehicleCargoList cargo;             ///< The cargo this vehicle is carrying
 	uint16 cargo_age_counter;           ///< Ticks till cargo is aged next.
 
@@ -257,6 +260,10 @@ public:
 
 	void HandleLoading(bool mode = false);
 
+	void GetConsistFreeCapacities(SmallMap<CargoID, uint> &capacities) const;
+
+	uint GetConsistTotalCapacity() const;
+
 	/**
 	 * Marks the vehicles to be redrawn and updates cached variables
 	 *
@@ -597,6 +604,17 @@ public:
 	 */
 	inline VehicleOrderID GetNumManualOrders() const { return (this->orders.list == NULL) ? 0 : this->orders.list->GetNumManualOrders(); }
 
+	/**
+	 * Get the next station the vehicle will stop at.
+	 * @return ID of the next station the vehicle will stop at or INVALID_STATION.
+	 */
+	inline StationID GetNextStoppingStation() const
+	{
+		return (this->orders.list == NULL) ? INVALID_STATION : this->orders.list->GetNextStoppingStation(this);
+	}
+
+	void RefreshNextHopsStats();
+
 	/**
 	 * Copy certain configurations and statistics of a vehicle after successful autoreplace/renew
 	 * The function shall copy everything that cannot be copied by a command (like orders / group etc),