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rubidium

(svn r26708) -Codechange: replace C preprocessor with all kinds of options to prevent adding certain things to the result and the sed script to remove everything that shouldn't be in the resulting nfo file but came out of the C preprocessor by a small-ish awk program. This means no more breaking if a C preprocessor decides to add more data to the processed file (like GCC's inclusion of stdc-predef.h when not passing -nostdinc). It furthermore more than halfs the time needed for the assemble step of the extra GRF compilation

/* $Id$ */

/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */

/** @file economy_base.h Base classes related to the economy. */

#ifndef ECONOMY_BASE_H
#define ECONOMY_BASE_H

#include "cargopacket.h"
#include "company_type.h"

/** Type of pool to store cargo payments in; little over 1 million. */
typedef Pool<CargoPayment, CargoPaymentID, 512, 0xFF000> CargoPaymentPool;
/** The actual pool to store cargo payments in. */
extern CargoPaymentPool _cargo_payment_pool;

/**
 * Helper class to perform the cargo payment.
 */
struct CargoPayment : CargoPaymentPool::PoolItem<&_cargo_payment_pool> {
	Vehicle *front;        ///< The front vehicle to do the payment of
	Money route_profit;    ///< The amount of money to add/remove from the bank account
	Money visual_profit;   ///< The visual profit to show
	Money visual_transfer; ///< The transfer credits to be shown

	/* Unsaved variables */
	Company *owner;            ///< The owner of the vehicle
	StationID current_station; ///< The current station
	CargoID ct;                ///< The currently handled cargo type

	/** Constructor for pool saveload */
	CargoPayment() {}
	CargoPayment(Vehicle *front);
	~CargoPayment();

	Money PayTransfer(const CargoPacket *cp, uint count);
	void PayFinalDelivery(const CargoPacket *cp, uint count);

	/**
	 * Sets the currently handled cargo type.
	 * @param ct the cargo type to handle from now on.
	 */
	void SetCargo(CargoID ct) { this->ct = ct; }
};

/**
 * Iterate over all cargo payments from a given start position.
 * @param var The variable used for iterating.
 * @param start The start of the iteration.
 */
#define FOR_ALL_CARGO_PAYMENTS_FROM(var, start) FOR_ALL_ITEMS_FROM(CargoPayment, cargo_payment_index, var, start)

/**
 * Iterate over all cargo payments.
 * @param var The variable used for iterating.
 */
#define FOR_ALL_CARGO_PAYMENTS(var) FOR_ALL_CARGO_PAYMENTS_FROM(var, 0)

#endif /* ECONOMY_BASE_H */