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/* $Id$ */
/*
* 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 currency.h Functions to handle different currencies. */
#ifndef CURRENCY_H
#define CURRENCY_H
#include "date_type.h"
#include "strings_type.h"
static const int CF_NOEURO = 0; ///< Currency never switches to the Euro (as far as known).
static const int CF_ISEURO = 1; ///< Currency _is_ the Euro.
/**
* This enum gives the currencies a unique id which must be maintained for
* savegame compatibility and in order to refer to them quickly, especially
* for referencing the custom one.
*/
enum Currencies {
CURRENCY_GBP, ///< British Pound
CURRENCY_USD, ///< US Dollar
CURRENCY_EUR, ///< Euro
CURRENCY_JPY, ///< Japanese Yen
CURRENCY_ATS, ///< Austrian Schilling
CURRENCY_BEF, ///< Belgian Franc
CURRENCY_CHF, ///< Swiss Franc
CURRENCY_CZK, ///< Czech Koruna
CURRENCY_DEM, ///< Deutsche Mark
CURRENCY_DKK, ///< Danish Krona
CURRENCY_ESP, ///< Spanish Peseta
CURRENCY_FIM, ///< Finish Markka
CURRENCY_FRF, ///< French Franc
CURRENCY_GRD, ///< Greek Drachma
CURRENCY_HUF, ///< Hungarian Forint
CURRENCY_ISK, ///< Icelandic Krona
CURRENCY_ITL, ///< Italian Lira
CURRENCY_NLG, ///< Dutch Gulden
CURRENCY_NOK, ///< Norwegian Krone
CURRENCY_PLN, ///< Polish Zloty
CURRENCY_RON, ///< Romenian Leu
CURRENCY_RUR, ///< Russian Rouble
CURRENCY_SIT, ///< Slovenian Tolar
CURRENCY_SEK, ///< Swedish Krona
CURRENCY_YTL, ///< Turkish Lira
CURRENCY_SKK, ///< Slovak Kornuna
CURRENCY_BRL, ///< Brazilian Real
CURRENCY_EEK, ///< Estonian Krooni
CURRENCY_LTL, ///< Lithuanian Litas
CURRENCY_KRW, ///< South Korean Won
CURRENCY_ZAR, ///< South African Rand
CURRENCY_CUSTOM, ///< Custom currency
CURRENCY_END, ///< always the last item
};
/** Specification of a currency. */
struct CurrencySpec {
uint16 rate;
char separator[8];
Year to_euro; ///< %Year of switching to the Euro. May also be #CF_NOEURO or #CF_ISEURO.
char prefix[16];
char suffix[16];
/**
* The currency symbol is represented by two possible values, prefix and suffix
* Usage of one or the other is determined by #symbol_pos.
* 0 = prefix
* 1 = suffix
* 2 = both : Special case only for custom currency.
* It is not a spec from Newgrf,
* rather a way to let users do what they want with custom currency
*/
byte symbol_pos;
StringID name;
};
extern CurrencySpec _currency_specs[CURRENCY_END];
/* XXX small hack, but makes the rest of the code a bit nicer to read */
#define _custom_currency (_currency_specs[CURRENCY_CUSTOM])
#define _currency ((const CurrencySpec*)&_currency_specs[GetGameSettings().locale.currency])
uint GetMaskOfAllowedCurrencies();
void CheckSwitchToEuro();
void ResetCurrencies(bool preserve_custom = true);
StringID *BuildCurrencyDropdown();
byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
#endif /* CURRENCY_H */
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