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https://github.com/JGRennison/OpenTTD-patches.git
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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file currency.h Functions to handle different currencies. */
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#ifndef CURRENCY_H
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#define CURRENCY_H
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#include "date_type.h"
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#include "strings_type.h"
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static const int CF_NOEURO = 0;
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static const int CF_ISEURO = 1;
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static const uint NUM_CURRENCY = 29;
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static const int CUSTOM_CURRENCY_ID = NUM_CURRENCY - 1;
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struct CurrencySpec {
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uint16 rate;
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char separator[8];
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Year to_euro;
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char prefix[16];
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char suffix[16];
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/**
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* The currency symbol is represented by two possible values, prefix and suffix
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* Usage of one or the other is determined by symbol_pos.
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* 0 = prefix
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* 1 = suffix
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* 2 = both : Special case only for custom currency.
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* It is not a spec from Newgrf,
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* rather a way to let users do what they want with custom curency
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*/
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byte symbol_pos;
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StringID name;
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};
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extern CurrencySpec _currency_specs[NUM_CURRENCY];
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/* XXX small hack, but makes the rest of the code a bit nicer to read */
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#define _custom_currency (_currency_specs[CUSTOM_CURRENCY_ID])
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#define _currency ((const CurrencySpec*)&_currency_specs[GetGameSettings().locale.currency])
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uint GetMaskOfAllowedCurrencies();
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void CheckSwitchToEuro();
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void ResetCurrencies(bool preserve_custom = true);
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StringID *BuildCurrencyDropdown();
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byte GetNewgrfCurrencyIdConverted(byte grfcurr_id);
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#endif /* CURRENCY_H */
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