OpenTTD-patches/currency.c

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