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/* $Id$ */
/** @file currency.h Functions to handle different currencies. */
#ifndef CURRENCY_H
#define CURRENCY_H
#include "date_type.h"
#include "strings_type.h"
enum {
CF_NOEURO = 0,
CF_ISEURO = 1,
NUM_CURRENCY = 28,
CUSTOM_CURRENCY_ID = NUM_CURRENCY - 1
};
struct CurrencySpec {
uint16 rate;
char separator;
Year to_euro;
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 curency
*/
byte symbol_pos;
StringID name;
};
extern CurrencySpec _currency_specs[NUM_CURRENCY];
// XXX small hack, but makes the rest of the code a bit nicer to read
#define _custom_currency (_currency_specs[CUSTOM_CURRENCY_ID])
#define _currency ((const CurrencySpec*)&_currency_specs[(_game_mode == GM_MENU) ? _opt_newgame.currency : _opt.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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