(svn r3058) The default AI may not build dual headed trains under certain circumstances.
Simplify this check by testing the rail vehicle info flags instead of passing a global variable around.
Note: This is not exactly the original behaviour, because the Lev4 was always allowed to be built, but i guess that was a glitch.
/* $Id$ */
#ifndef CURRENCY_H
#define CURRENCY_H
enum {
CF_NOEURO = 0,
CF_ISEURO = 1,
};
typedef struct {
uint16 rate;
char separator;
uint16 to_euro;
char prefix[16];
char suffix[16];
} CurrencySpec;
extern CurrencySpec _currency_specs[];
extern const StringID _currency_string_list[];
// XXX small hack, but makes the rest of the code a bit nicer to read
#define _custom_currency (_currency_specs[23])
#define _currency ((const CurrencySpec*)&_currency_specs[_opt_ptr->currency])
uint GetMaskOfAllowedCurrencies(void);
void CheckSwitchToEuro(void);
#endif /* CURRENCY_H */