tron@2186: /* $Id$ */
tron@2186: 
tron@2291: #include "stdafx.h"
tron@2291: #include "openttd.h"
tron@2291: #include "currency.h"
tron@2306: #include "news.h"
tron@2291: #include "variables.h"
tron@2291: #include "table/strings.h"
tron@2291: 
dominik@762: // exchange rate    prefix
dominik@762: // |  separator        |     postfix
dominik@762: // |   |    Euro year  |       |
dominik@762: // |   |    |          |       |
dominik@759: CurrencySpec _currency_specs[] = {
tron@2291: 	{    1, ',', CF_NOEURO, "\xA3", ""     }, // british pounds
tron@2291: 	{    2, ',', CF_NOEURO, "$",    ""     }, // us dollars
tron@2291: 	{    2, ',', CF_ISEURO, "¤",    ""     }, // Euro
tron@2291: 	{  200, ',', CF_NOEURO, "\xA5", ""     }, // yen
tron@2291: 	{   19, ',', 2002,      "",     " S."  }, // austrian schilling
tron@2291: 	{   57, ',', 2002,      "BEF ", ""     }, // belgian franc
tron@2291: 	{    2, ',', CF_NOEURO, "CHF ", ""     }, // swiss franc
tron@2291: 	{   50, ',', CF_NOEURO, "",     " Kc"  }, // czech koruna // TODO: Should use the "c" with an upside down "^"
tron@2291: 	{    4, '.', 2002,      "DM ",  ""     }, // deutsche mark
tron@2291: 	{   10, '.', CF_NOEURO, "",     " kr"  }, // danish krone
tron@2291: 	{  200, '.', 2002,      "Pts ", ""     }, // spanish pesetas
tron@2495: 	{    8, ',', 2002,      "",     " mk"  }, // finnish markka
tron@2291: 	{   10, '.', 2002,      "FF ",  ""     }, // french francs
tron@2291: 	{  480, ',', 2002,      "",     "Dr."  }, // greek drachma
tron@2291: 	{  376, ',', 2002,      "",     " Ft"  }, // hungarian forint
tron@2291: 	{  130, '.', CF_NOEURO, "",     " Kr"  }, // icelandic krona
tron@2291: 	{ 2730, ',', 2002,      "",     " L."  }, // italian lira
tron@2291: 	{    3, ',', 2002,      "NLG ", ""     }, // dutch gulden
tron@2291: 	{   11, '.', CF_NOEURO, "",     " Kr"  }, // norwegian krone
tron@2291: 	{    6, ' ', CF_NOEURO, "",     " zl"  }, // polish zloty
tron@2291: 	{    6, '.', CF_NOEURO, "",     " Lei" }, // romanian Lei
tron@2291: 	{    5, ' ', CF_NOEURO, "",     " p"   }, // russian rouble
tron@2291: 	{   13, '.', CF_NOEURO, "",     " Kr"  }, // swedish krona
tron@2291: 	{    1, ' ', CF_NOEURO, "",     ""     }, // custom currency
dominik@759: };
dominik@768: 
tron@2291: const StringID _currency_string_list[] = {
tron@2291: 	STR_CURR_GBP,
tron@2291: 	STR_CURR_USD,
tron@2291: 	STR_CURR_EUR,
tron@2291: 	STR_CURR_YEN,
tron@2291: 	STR_CURR_ATS,
tron@2291: 	STR_CURR_BEF,
tron@2291: 	STR_CURR_CHF,
tron@2291: 	STR_CURR_CZK,
tron@2291: 	STR_CURR_DEM,
tron@2291: 	STR_CURR_DKK,
tron@2291: 	STR_CURR_ESP,
tron@2291: 	STR_CURR_FIM,
tron@2291: 	STR_CURR_FRF,
tron@2291: 	STR_CURR_GRD,
tron@2291: 	STR_CURR_HUF,
tron@2291: 	STR_CURR_ISK,
tron@2291: 	STR_CURR_ITL,
tron@2291: 	STR_CURR_NLG,
tron@2291: 	STR_CURR_NOK,
tron@2291: 	STR_CURR_PLN,
tron@2291: 	STR_CURR_ROL,
tron@2291: 	STR_CURR_RUR,
tron@2291: 	STR_CURR_SEK,
tron@2291: 	STR_CURR_CUSTOM,
tron@2291: 	INVALID_STRING_ID
tron@2291: };
tron@2291: 
tron@2291: // NOTE: Make sure both lists are in the same order
tron@2291: // + 1 string list terminator
tron@2291: assert_compile(lengthof(_currency_specs) + 1 == lengthof(_currency_string_list));
tron@2291: 
tron@2291: 
tron@2291: // get a mask of the allowed currencies depending on the year
tron@2291: uint GetMaskOfAllowedCurrencies(void)
tron@2291: {
tron@2291: 	uint mask = 0;
tron@2291: 	uint i;
tron@2291: 
tron@2291: 	for (i = 0; i != lengthof(_currency_specs); i++) {
tron@2291: 		uint16 to_euro = _currency_specs[i].to_euro;
tron@2291: 
tron@2291: 		if (to_euro != CF_NOEURO && to_euro != CF_ISEURO && _cur_year >= to_euro - MAX_YEAR_BEGIN_REAL) continue;
tron@2291: 		if (to_euro == CF_ISEURO && _cur_year < 2000 - MAX_YEAR_BEGIN_REAL) continue;
tron@2291: 		mask |= (1 << i);
tron@2291: 	}
tron@2291: 	mask |= (1 << 23); // always allow custom currency
tron@2291: 	return mask;
tron@2291: }
tron@2291: 
tron@2291: 
tron@2306: void CheckSwitchToEuro(void)
tron@2306: {
tron@2306: 	if (_currency_specs[_opt.currency].to_euro != CF_NOEURO &&
tron@2306: 			_currency_specs[_opt.currency].to_euro != CF_ISEURO &&
tron@2306: 			MAX_YEAR_BEGIN_REAL + _cur_year >= _currency_specs[_opt.currency].to_euro) {
tron@2306: 		_opt.currency = 2; // this is the index of euro above.
tron@2306: 		AddNewsItem(STR_EURO_INTRODUCE, NEWS_FLAGS(NM_NORMAL, 0, NT_ECONOMY, 0), 0, 0);
tron@2306: 	}
tron@2306: }