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Location: cpp/openttd-patchpack/source/src/currency.cpp - annotation
r27090:1ea30951c0f3
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Codechange: migrate all game-time-related timers to the new framework
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file currency.cpp Support for different currencies. */
#include "stdafx.h"
#include "core/bitmath_func.hpp"
#include "currency.h"
#include "news_func.h"
#include "settings_type.h"
#include "date_func.h"
#include "string_type.h"
#include "timer/timer.h"
#include "timer/timer_game_calendar.h"
#include "table/strings.h"
#include "safeguards.h"
/* exchange rate prefix symbol_pos
* | separator | postfix |
* | | Euro year | | | name
* | | | | | | | */
/** The original currency specifications. */
static const CurrencySpec origin_currency_specs[CURRENCY_END] = {
{ 1, "", CF_NOEURO, u8"\u00a3", "", 0, STR_GAME_OPTIONS_CURRENCY_GBP }, ///< british pound
{ 2, "", CF_NOEURO, "$", "", 0, STR_GAME_OPTIONS_CURRENCY_USD }, ///< american dollar
{ 2, "", CF_ISEURO, u8"\u20ac", "", 0, STR_GAME_OPTIONS_CURRENCY_EUR }, ///< euro
{ 220, "", CF_NOEURO, u8"\u00a5", "", 0, STR_GAME_OPTIONS_CURRENCY_JPY }, ///< japanese yen
{ 27, "", 2002, "", NBSP "S.", 1, STR_GAME_OPTIONS_CURRENCY_ATS }, ///< austrian schilling
{ 81, "", 2002, "BEF" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_BEF }, ///< belgian franc
{ 2, "", CF_NOEURO, "CHF" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_CHF }, ///< swiss franc
{ 41, "", CF_NOEURO, "", NBSP u8"K\u010d", 1, STR_GAME_OPTIONS_CURRENCY_CZK }, ///< czech koruna
{ 4, "", 2002, "DM" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_DEM }, ///< deutsche mark
{ 11, "", CF_NOEURO, "", NBSP "kr", 1, STR_GAME_OPTIONS_CURRENCY_DKK }, ///< danish krone
{ 333, "", 2002, "Pts" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_ESP }, ///< spanish peseta
{ 12, "", 2002, "", NBSP "mk", 1, STR_GAME_OPTIONS_CURRENCY_FIM }, ///< finnish markka
{ 13, "", 2002, "FF" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_FRF }, ///< french franc
{ 681, "", 2002, "", "Dr.", 1, STR_GAME_OPTIONS_CURRENCY_GRD }, ///< greek drachma
{ 378, "", CF_NOEURO, "", NBSP "Ft", 1, STR_GAME_OPTIONS_CURRENCY_HUF }, ///< hungarian forint
{ 130, "", CF_NOEURO, "", NBSP "Kr", 1, STR_GAME_OPTIONS_CURRENCY_ISK }, ///< icelandic krona
{ 3873, "", 2002, "", NBSP "L.", 1, STR_GAME_OPTIONS_CURRENCY_ITL }, ///< italian lira
{ 4, "", 2002, "NLG" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_NLG }, ///< dutch gulden
{ 12, "", CF_NOEURO, "", NBSP "Kr", 1, STR_GAME_OPTIONS_CURRENCY_NOK }, ///< norwegian krone
{ 6, "", CF_NOEURO, "", NBSP u8"z\u0142", 1, STR_GAME_OPTIONS_CURRENCY_PLN }, ///< polish zloty
{ 5, "", CF_NOEURO, "", NBSP "Lei", 1, STR_GAME_OPTIONS_CURRENCY_RON }, ///< romanian leu
{ 50, "", CF_NOEURO, "", NBSP "p", 1, STR_GAME_OPTIONS_CURRENCY_RUR }, ///< russian rouble
{ 479, "", 2007, "", NBSP "SIT", 1, STR_GAME_OPTIONS_CURRENCY_SIT }, ///< slovenian tolar
{ 13, "", CF_NOEURO, "", NBSP "Kr", 1, STR_GAME_OPTIONS_CURRENCY_SEK }, ///< swedish krona
{ 3, "", CF_NOEURO, "", NBSP "TL", 1, STR_GAME_OPTIONS_CURRENCY_TRY }, ///< turkish lira
{ 60, "", 2009, "", NBSP "Sk", 1, STR_GAME_OPTIONS_CURRENCY_SKK }, ///< slovak koruna
{ 4, "", CF_NOEURO, "R$" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_BRL }, ///< brazil real
{ 31, "", 2011, "", NBSP "EEK", 1, STR_GAME_OPTIONS_CURRENCY_EEK }, ///< estonian krooni
{ 4, "", 2015, "", NBSP "Lt", 1, STR_GAME_OPTIONS_CURRENCY_LTL }, ///< lithuanian litas
{ 1850, "", CF_NOEURO, u8"\u20a9", "", 0, STR_GAME_OPTIONS_CURRENCY_KRW }, ///< south korean won
{ 13, "", CF_NOEURO, "R" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_ZAR }, ///< south african rand
{ 1, "", CF_NOEURO, "", "", 2, STR_GAME_OPTIONS_CURRENCY_CUSTOM }, ///< custom currency (add further languages below)
{ 3, "", CF_NOEURO, "", NBSP "GEL", 1, STR_GAME_OPTIONS_CURRENCY_GEL }, ///< Georgian Lari
{ 4901, "", CF_NOEURO, "", NBSP "Rls", 1, STR_GAME_OPTIONS_CURRENCY_IRR }, ///< Iranian Rial
{ 80, "", CF_NOEURO, "", NBSP "rub", 1, STR_GAME_OPTIONS_CURRENCY_RUB }, ///< New Russian Ruble
{ 24, "", CF_NOEURO, "$", "", 0, STR_GAME_OPTIONS_CURRENCY_MXN }, ///< Mexican peso
{ 40, "", CF_NOEURO, "NTD" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_NTD }, ///< new taiwan dollar
{ 8, "", CF_NOEURO, u8"\u00a5", "", 0, STR_GAME_OPTIONS_CURRENCY_CNY }, ///< chinese renminbi
{ 10, "", CF_NOEURO, "HKD" NBSP, "", 0, STR_GAME_OPTIONS_CURRENCY_HKD }, ///< hong kong dollar
{ 90, "", CF_NOEURO, u8"\u20b9", "", 0, STR_GAME_OPTIONS_CURRENCY_INR }, ///< Indian Rupee
{ 19, "", CF_NOEURO, "Rp", "", 0, STR_GAME_OPTIONS_CURRENCY_IDR }, ///< Indonesian Rupiah
{ 5, "", CF_NOEURO, "RM", "", 0, STR_GAME_OPTIONS_CURRENCY_MYR }, ///< Malaysian Ringgit
};
/** Array of currencies used by the system */
CurrencySpec _currency_specs[CURRENCY_END];
/**
* 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[] =
{
CURRENCY_GBP,
CURRENCY_USD,
CURRENCY_FRF,
CURRENCY_DEM,
CURRENCY_JPY,
CURRENCY_ESP,
CURRENCY_HUF,
CURRENCY_PLN,
CURRENCY_ATS,
CURRENCY_BEF,
CURRENCY_DKK,
CURRENCY_FIM,
CURRENCY_GRD,
CURRENCY_CHF,
CURRENCY_NLG,
CURRENCY_ITL,
CURRENCY_SEK,
CURRENCY_RUR,
CURRENCY_EUR,
};
/**
* Will return the ottd's index correspondence 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
*/
uint64 GetMaskOfAllowedCurrencies()
{
uint64 mask = 0LL;
uint i;
for (i = 0; i < CURRENCY_END; 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;
SetBit(mask, i);
}
SetBit(mask, CURRENCY_CUSTOM); // always allow custom currency
return mask;
}
/**
* Verify if the currency chosen by the user is about to be converted to Euro
*/
static IntervalTimer<TimerGameCalendar> _check_switch_to_euro({TimerGameCalendar::YEAR, TimerGameCalendar::Priority::NONE}, [](auto)
{
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_NEWS_EURO_INTRODUCTION, NT_ECONOMY, NF_NORMAL);
}
});
/**
* 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
*/
void ResetCurrencies(bool preserve_custom)
{
for (uint i = 0; i < CURRENCY_END; i++) {
if (preserve_custom && i == CURRENCY_CUSTOM) continue;
_currency_specs[i] = origin_currency_specs[i];
}
}
/**
* 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[CURRENCY_END + 1];
uint i;
/* Add each name */
for (i = 0; i < CURRENCY_END; i++) {
names[i] = _currency_specs[i].name;
}
/* Terminate the list */
names[i] = INVALID_STRING_ID;
return names;
}
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