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Location: cpp/openttd-patchpack/source/src/currency.cpp - annotation
r10584:111d4eaa7aa5
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(svn r14847) -Codechange: generalise the circular search to search around a rectangle (PhilSophus)
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/** @file currency.cpp Support for different currencies. */
#include "stdafx.h"
#include "openttd.h"
#include "currency.h"
#include "news_func.h"
#include "settings_type.h"
#include "date_func.h"
#include "table/strings.h"
// exchange rate prefix symbol_pos
// | separator | postfix |
// | | Euro year | | | name
// | | | | | | |
static const CurrencySpec origin_currency_specs[NUM_CURRENCY] = {
{ 1, ',', CF_NOEURO, "£", "", 0, STR_CURR_GBP }, ///< british pounds
{ 2, ',', CF_NOEURO, "$", "", 0, STR_CURR_USD }, ///< us dollars
{ 2, ',', CF_ISEURO, "€", "", 0, STR_CURR_EUR }, ///< Euro
{ 220, ',', CF_NOEURO, "¥", "", 0, STR_CURR_YEN }, ///< yen
{ 20, ',', 2002, "", " S.", 1, STR_CURR_ATS }, ///< austrian schilling
{ 59, ',', 2002, "BEF ", "", 0, STR_CURR_BEF }, ///< belgian franc
{ 2, ',', CF_NOEURO, "CHF ", "", 0, STR_CURR_CHF }, ///< swiss franc
{ 41, ',', CF_NOEURO, "", " Kč", 1, STR_CURR_CZK }, ///< czech koruna
{ 3, '.', 2002, "DM ", "", 0, STR_CURR_DEM }, ///< deutsche mark
{ 11, '.', CF_NOEURO, "", " kr", 1, STR_CURR_DKK }, ///< danish krone
{ 245, '.', 2002, "Pts ", "", 0, STR_CURR_ESP }, ///< spanish pesetas
{ 9, ',', 2002, "", " mk", 1, STR_CURR_FIM }, ///< finnish markka
{ 10, '.', 2002, "FF ", "", 0, STR_CURR_FRF }, ///< french francs
{ 500, ',', 2002, "", "Dr.", 1, STR_CURR_GRD }, ///< greek drachma
{ 378, ',', 2010, "", " Ft", 1, STR_CURR_HUF }, ///< hungarian forint
{ 130, '.', CF_NOEURO, "", " Kr", 1, STR_CURR_ISK }, ///< icelandic krona
{ 2850, ',', 2002, "", " L.", 1, STR_CURR_ITL }, ///< italian lira
{ 3, ',', 2002, "NLG ", "", 0, STR_CURR_NLG }, ///< dutch gulden
{ 12, '.', CF_NOEURO, "", " Kr", 1, STR_CURR_NOK }, ///< norwegian krone
{ 6, ' ', CF_NOEURO, "", " zl", 1, STR_CURR_PLN }, ///< polish zloty
{ 5, '.', CF_NOEURO, "", " Lei", 1, STR_CURR_ROL }, ///< romanian Lei
{ 50, ' ', CF_NOEURO, "", " p", 1, STR_CURR_RUR }, ///< russian rouble
{ 352, '.', 2007, "", " SIT", 1, STR_CURR_SIT }, ///< slovenian tolar
{ 13, '.', CF_NOEURO, "", " Kr", 1, STR_CURR_SEK }, ///< swedish krona
{ 3, '.', CF_NOEURO, "", " YTL", 1, STR_CURR_YTL }, ///< turkish lira
{ 52, ',', CF_NOEURO, "", " Sk", 1, STR_CURR_SKK }, ///< slovak koruna
{ 4, ',', CF_NOEURO, "R$ ", "", 0, STR_CURR_BRL }, ///< brazil real
{ 20, '.', CF_NOEURO, "", " EEK", 1, STR_CURR_EEK }, ///< estonian krooni
{ 1, ' ', CF_NOEURO, "", "", 2, STR_CURR_CUSTOM }, ///< custom currency
};
/* Array of currencies used by the system */
CurrencySpec _currency_specs[NUM_CURRENCY];
/**
* These enums are only declared in order to make sens
* out of the TTDPatch_To_OTTDIndex array that will follow
* Every currency used by Ottd is there, just in case TTDPatch will
* add those missing in its code
**/
enum {
CURR_GBP,
CURR_USD,
CURR_EUR,
CURR_YEN,
CURR_ATS,
CURR_BEF,
CURR_CHF,
CURR_CZK,
CURR_DEM,
CURR_DKK,
CURR_ESP,
CURR_FIM,
CURR_FRF,
CURR_GRD,
CURR_HUF,
CURR_ISK,
CURR_ITL,
CURR_NLG,
CURR_NOK,
CURR_PLN,
CURR_ROL,
CURR_RUR,
CURR_SIT,
CURR_SEK,
CURR_YTL,
CURR_SKK,
CURR_BRL,
CURR_EEK,
};
/**
* This array represent the position of OpenTTD's currencies,
* compared to TTDPatch's ones.
* When a grf sends currencies, they are based on the order defined by TTDPatch.
* So, we must reindex them to our own order.
**/
const byte TTDPatch_To_OTTDIndex[] =
{
CURR_GBP,
CURR_USD,
CURR_FRF,
CURR_DEM,
CURR_YEN,
CURR_ESP,
CURR_HUF,
CURR_PLN,
CURR_ATS,
CURR_BEF,
CURR_DKK,
CURR_FIM,
CURR_GRD,
CURR_CHF,
CURR_NLG,
CURR_ITL,
CURR_SEK,
CURR_RUR,
CURR_EUR,
};
/**
* Will return the ottd's index correspondance to
* the ttdpatch's id. If the id is bigger than the array,
* it is a grf written for ottd, thus returning the same id.
* Only called from newgrf.cpp
* @param grfcurr_id currency id coming from newgrf
* @return the corrected index
**/
byte GetNewgrfCurrencyIdConverted(byte grfcurr_id)
{
return (grfcurr_id >= lengthof(TTDPatch_To_OTTDIndex)) ? grfcurr_id : TTDPatch_To_OTTDIndex[grfcurr_id];
}
/**
* get a mask of the allowed currencies depending on the year
* @return mask of currencies
*/
uint GetMaskOfAllowedCurrencies()
{
uint mask = 0;
uint i;
for (i = 0; i < NUM_CURRENCY; i++) {
Year to_euro = _currency_specs[i].to_euro;
if (to_euro != CF_NOEURO && to_euro != CF_ISEURO && _cur_year >= to_euro) continue;
if (to_euro == CF_ISEURO && _cur_year < 2000) continue;
mask |= (1 << i);
}
mask |= (1 << CUSTOM_CURRENCY_ID); // always allow custom currency
return mask;
}
/**
* Verify if the currency chosen by the user is about to be converted to Euro
**/
void CheckSwitchToEuro()
{
if (_currency_specs[_settings_game.locale.currency].to_euro != CF_NOEURO &&
_currency_specs[_settings_game.locale.currency].to_euro != CF_ISEURO &&
_cur_year >= _currency_specs[_settings_game.locale.currency].to_euro) {
_settings_game.locale.currency = 2; // this is the index of euro above.
AddNewsItem(STR_EURO_INTRODUCE, NS_ECONOMY, 0, 0);
}
}
/**
* Will fill _currency_specs array with
* default values from origin_currency_specs
* Called only from newgrf.cpp and settings.cpp.
* @param preserve_custom will not reset custom currency (the latest one on the list)
* if ever it is flagged to true. In which case, the total size of the memory to move
* will be one currency spec less, thus preserving the custom curreny from been
* overwritten.
**/
void ResetCurrencies(bool preserve_custom)
{
memcpy(&_currency_specs, &origin_currency_specs, sizeof(origin_currency_specs) - (preserve_custom ? sizeof(_custom_currency) : 0));
}
/**
* Build a list of currency names StringIDs to use in a dropdown list
* @return Pointer to a (static) array of StringIDs
*/
StringID* BuildCurrencyDropdown()
{
/* Allow room for all currencies, plus a terminator entry */
static StringID names[NUM_CURRENCY + 1];
uint i;
/* Add each name */
for (i = 0; i < NUM_CURRENCY; i++) {
names[i] = _currency_specs[i].name;
}
/* Terminate the list */
names[i] = INVALID_STRING_ID;
return names;
}
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