currency.h

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00001 /* $Id: currency.h 17248 2009-08-21 20:21:05Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef CURRENCY_H
00013 #define CURRENCY_H
00014 
00015 #include "date_type.h"
00016 #include "strings_type.h"
00017 
00018 enum {
00019   CF_NOEURO = 0,
00020   CF_ISEURO = 1,
00021   NUM_CURRENCY = 29,
00022   CUSTOM_CURRENCY_ID = NUM_CURRENCY - 1
00023 };
00024 
00025 struct CurrencySpec {
00026   uint16 rate;
00027   char separator[8];
00028   Year to_euro;
00029   char prefix[16];
00030   char suffix[16];
00040   byte symbol_pos;
00041   StringID name;
00042 };
00043 
00044 
00045 extern CurrencySpec _currency_specs[NUM_CURRENCY];
00046 
00047 /* XXX small hack, but makes the rest of the code a bit nicer to read */
00048 #define _custom_currency (_currency_specs[CUSTOM_CURRENCY_ID])
00049 #define _currency ((const CurrencySpec*)&_currency_specs[_game_mode == GM_MENU ? _settings_newgame.locale.currency : _settings_game.locale.currency])
00050 
00051 uint GetMaskOfAllowedCurrencies();
00052 void CheckSwitchToEuro();
00053 void ResetCurrencies(bool preserve_custom = true);
00054 StringID *BuildCurrencyDropdown();
00055 byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
00056 
00057 #endif /* CURRENCY_H */

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