mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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101 lines
3.8 KiB
C
101 lines
3.8 KiB
C
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file currency.h Functions to handle different currencies. */
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#ifndef CURRENCY_H
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#define CURRENCY_H
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#include "date_type.h"
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#include "strings_type.h"
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static const int CF_NOEURO = 0; ///< Currency never switches to the Euro (as far as known).
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static const int CF_ISEURO = 1; ///< Currency _is_ the Euro.
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/**
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* This enum gives the currencies a unique id which must be maintained for
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* savegame compatibility and in order to refer to them quickly, especially
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* for referencing the custom one.
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*/
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enum Currencies {
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CURRENCY_GBP, ///< British Pound
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CURRENCY_USD, ///< US Dollar
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CURRENCY_EUR, ///< Euro
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CURRENCY_JPY, ///< Japanese Yen
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CURRENCY_ATS, ///< Austrian Schilling
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CURRENCY_BEF, ///< Belgian Franc
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CURRENCY_CHF, ///< Swiss Franc
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CURRENCY_CZK, ///< Czech Koruna
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CURRENCY_DEM, ///< Deutsche Mark
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CURRENCY_DKK, ///< Danish Krona
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CURRENCY_ESP, ///< Spanish Peseta
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CURRENCY_FIM, ///< Finish Markka
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CURRENCY_FRF, ///< French Franc
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CURRENCY_GRD, ///< Greek Drachma
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CURRENCY_HUF, ///< Hungarian Forint
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CURRENCY_ISK, ///< Icelandic Krona
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CURRENCY_ITL, ///< Italian Lira
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CURRENCY_NLG, ///< Dutch Gulden
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CURRENCY_NOK, ///< Norwegian Krone
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CURRENCY_PLN, ///< Polish Zloty
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CURRENCY_RON, ///< Romenian Leu
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CURRENCY_RUR, ///< Russian Rouble
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CURRENCY_SIT, ///< Slovenian Tolar
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CURRENCY_SEK, ///< Swedish Krona
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CURRENCY_YTL, ///< Turkish Lira
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CURRENCY_SKK, ///< Slovak Kornuna
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CURRENCY_BRL, ///< Brazilian Real
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CURRENCY_EEK, ///< Estonian Krooni
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CURRENCY_LTL, ///< Lithuanian Litas
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CURRENCY_KRW, ///< South Korean Won
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CURRENCY_ZAR, ///< South African Rand
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CURRENCY_CUSTOM, ///< Custom currency
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CURRENCY_GEL, ///< Georgian Lari
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CURRENCY_IRR, ///< Iranian Rial
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CURRENCY_RUB, ///< New Russian Ruble
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CURRENCY_MXN, ///< Mexican Peso
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CURRENCY_NTD, ///< New Taiwan Dollar
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CURRENCY_CNY, ///< Chinese Renminbi
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CURRENCY_HKD, ///< Hong Kong Dollar
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CURRENCY_INR, ///< Indian Rupee
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CURRENCY_END, ///< always the last item
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};
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/** Specification of a currency. */
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struct CurrencySpec {
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uint16 rate;
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char separator[8];
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Year to_euro; ///< %Year of switching to the Euro. May also be #CF_NOEURO or #CF_ISEURO.
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char prefix[16];
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char suffix[16];
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/**
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* The currency symbol is represented by two possible values, prefix and suffix
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* Usage of one or the other is determined by #symbol_pos.
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* 0 = prefix
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* 1 = suffix
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* 2 = both : Special case only for custom currency.
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* It is not a spec from Newgrf,
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* rather a way to let users do what they want with custom currency
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*/
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byte symbol_pos;
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StringID name;
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};
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extern CurrencySpec _currency_specs[CURRENCY_END];
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/* XXX small hack, but makes the rest of the code a bit nicer to read */
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#define _custom_currency (_currency_specs[CURRENCY_CUSTOM])
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#define _currency ((const CurrencySpec*)&_currency_specs[GetGameSettings().locale.currency])
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uint64 GetMaskOfAllowedCurrencies();
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void CheckSwitchToEuro();
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void ResetCurrencies(bool preserve_custom = true);
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StringID *BuildCurrencyDropdown();
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byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
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#endif /* CURRENCY_H */
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