/* $Id$ */ /* * 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 "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, "\xC2\xA3", "", 0, STR_GAME_OPTIONS_CURRENCY_GBP }, ///< british pound { 2, "", CF_NOEURO, "$", "", 0, STR_GAME_OPTIONS_CURRENCY_USD }, ///< american dollar { 2, "", CF_ISEURO, "\xE2\x82\xAC", "", 0, STR_GAME_OPTIONS_CURRENCY_EUR }, ///< euro { 220, "", CF_NOEURO, "\xC2\xA5", "", 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 "K\xC4\x8D", 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 "z\xC5\x82", 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, "\xE2\x82\xA9", "", 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 }; /** 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 */ 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_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; }