tron@2292: /* $Id$ */
tron@2292: 
rubidium@9111: /** @file currency.h Functions to handle different currencies. */
belugas@6123: 
tron@2291: #ifndef CURRENCY_H
tron@2291: #define CURRENCY_H
tron@2291: 
rubidium@8140: #include "date_type.h"
rubidium@8264: #include "strings_type.h"
rubidium@8140: 
tron@2291: enum {
tron@2291: 	CF_NOEURO = 0,
tron@2291: 	CF_ISEURO = 1,
Darkvater@5091: 	NUM_CURRENCY = 28,
tron@4380: 	CUSTOM_CURRENCY_ID = NUM_CURRENCY - 1
tron@2291: };
tron@2291: 
rubidium@6248: struct CurrencySpec {
tron@2291: 	uint16 rate;
tron@2291: 	char separator;
rubidium@4297: 	Year to_euro;
tron@2291: 	char prefix[16];
tron@2291: 	char suffix[16];
belugas@4377: 	/**
belugas@4602: 	 * The currency symbol is represented by two possible values, prefix and suffix
belugas@4602: 	 * Usage of one or the other is determined by symbol_pos.
belugas@4602: 	 * 0 = prefix
belugas@4602: 	 * 1 = suffix
belugas@4602: 	 * 2 = both : Special case only for custom currency.
belugas@4602: 	 *            It is not a spec from Newgrf,
belugas@4602: 	 *            rather a way to let users do what they want with custom curency
belugas@4377: 	 */
belugas@4377: 	byte symbol_pos;
belugas@4377: 	StringID name;
rubidium@6248: };
tron@2291: 
belugas@4377: 
belugas@4377: extern CurrencySpec _currency_specs[NUM_CURRENCY];
tron@2291: 
tron@2306: // XXX small hack, but makes the rest of the code a bit nicer to read
peter1138@3596: #define _custom_currency (_currency_specs[CUSTOM_CURRENCY_ID])
rubidium@9346: #define _currency ((const CurrencySpec*)&_currency_specs[(_game_mode == GM_MENU) ? _opt_newgame.currency : _opt.currency])
tron@2306: 
rubidium@6247: uint GetMaskOfAllowedCurrencies();
rubidium@6247: void CheckSwitchToEuro();
belugas@6379: void ResetCurrencies(bool preserve_custom = true);
rubidium@6247: StringID* BuildCurrencyDropdown();
belugas@4625: byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
tron@2291: 
Darkvater@2436: #endif /* CURRENCY_H */