src/economy_base.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file economy_base.h Base classes related to the economy. */
  11
  12 #ifndef ECONOMY_BASE_H
  13 #define ECONOMY_BASE_H
  14
  15 #include "cargopacket.h"
  16 #include "company_type.h"
  17
  18 /** Type of pool to store cargo payments in; little over 1 million. */
  19 typedef Pool<CargoPayment, CargoPaymentID, 512, 0xFF000> CargoPaymentPool;
  20 /** The actual pool to store cargo payments in. */
  21 extern CargoPaymentPool _cargo_payment_pool;
  22
  23 /**
  24  * Helper class to perform the cargo payment.
  25  */
  26 struct CargoPayment : CargoPaymentPool::PoolItem<&_cargo_payment_pool> {
  27         Vehicle *front;        ///< The front vehicle to do the payment of
  28         Money route_profit;    ///< The amount of money to add/remove from the bank account
  29         Money visual_profit;   ///< The visual profit to show
  30         Money visual_transfer; ///< The transfer credits to be shown
  31
  32         /* Unsaved variables */
  33         Company *owner;            ///< The owner of the vehicle
  34         StationID current_station; ///< The current station
  35         CargoID ct;                ///< The currently handled cargo type
  36
  37         /** Constructor for pool saveload */
  38         CargoPayment() {}
  39         CargoPayment(Vehicle *front);
  40         ~CargoPayment();
  41
  42         Money PayTransfer(const CargoPacket *cp, uint count);
  43         void PayFinalDelivery(const CargoPacket *cp, uint count);
  44
  45         /**
  46          * Sets the currently handled cargo type.
  47          * @param ct the cargo type to handle from now on.
  48          */
  49         void SetCargo(CargoID ct) { this->ct = ct; }
  50 };
  51
  52 /**
  53  * Iterate over all cargo payments from a given start position.
  54  * @param var The variable used for iterating.
  55  * @param start The start of the iteration.
  56  */
  57 #define FOR_ALL_CARGO_PAYMENTS_FROM(var, start) FOR_ALL_ITEMS_FROM(CargoPayment, cargo_payment_index, var, start)
  58
  59 /**
  60  * Iterate over all cargo payments.
  61  * @param var The variable used for iterating.
  62  */
  63 #define FOR_ALL_CARGO_PAYMENTS(var) FOR_ALL_CARGO_PAYMENTS_FROM(var, 0)
  64
  65 #endif /* ECONOMY_BASE_H */