97 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* $Id$ */
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/*
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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_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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