mirror of
https://github.com/OpenTTD/OpenTTD.git
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Rubidium
77 lines
3.5 KiB
C++
77 lines
3.5 KiB
C++
/*
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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 strings_type.h Types related to strings. */
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#ifndef STRINGS_TYPE_H
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#define STRINGS_TYPE_H
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#include "core/strong_typedef_type.hpp"
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/**
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* Numeric value that represents a string, independent of the selected language.
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*/
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typedef uint32_t StringID;
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static const StringID INVALID_STRING_ID = 0xFFFF; ///< Constant representing an invalid string (16bit in case it is used in savegames)
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static const int MAX_CHAR_LENGTH = 4; ///< Max. length of UTF-8 encoded unicode character
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static const uint MAX_LANG = 0x7F; ///< Maximum number of languages supported by the game, and the NewGRF specs
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/** Directions a text can go to */
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enum TextDirection {
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TD_LTR, ///< Text is written left-to-right by default
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TD_RTL, ///< Text is written right-to-left by default
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};
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/** StringTabs to group StringIDs */
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enum StringTab {
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/* Tabs 0..1 for regular strings */
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TEXT_TAB_TOWN = 4,
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TEXT_TAB_INDUSTRY = 9,
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TEXT_TAB_STATION = 12,
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TEXT_TAB_SPECIAL = 14,
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TEXT_TAB_OLD_CUSTOM = 15,
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TEXT_TAB_VEHICLE = 16,
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/* Tab 17 for regular strings */
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TEXT_TAB_OLD_NEWGRF = 26,
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TEXT_TAB_END = 32, ///< End of language files.
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TEXT_TAB_GAMESCRIPT_START = 32, ///< Start of GameScript supplied strings.
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TEXT_TAB_NEWGRF_START = 64, ///< Start of NewGRF supplied strings.
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};
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/** The index/offset of a string within a #StringTab. */
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using StringIndexInTab = StrongType::Typedef<uint32_t, struct StringIndexInTabTag, StrongType::Compare, StrongType::Integer>;
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/** Number of bits for the StringIndex within a StringTab */
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static const uint TAB_SIZE_BITS = 11;
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/** Number of strings per StringTab */
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static const uint TAB_SIZE = 1 << TAB_SIZE_BITS;
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/** Number of strings for GameScripts */
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static const uint TAB_SIZE_GAMESCRIPT = TAB_SIZE * 32;
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/** Number of strings for NewGRFs */
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static const uint TAB_SIZE_NEWGRF = TAB_SIZE * 256;
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/** The number of builtin generators for town names. */
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static constexpr uint32_t BUILTIN_TOWNNAME_GENERATOR_COUNT = 21;
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/** Special strings for town names. The town name is generated dynamically on request. */
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static constexpr StringID SPECSTR_TOWNNAME_START = 0x20C0;
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static constexpr StringID SPECSTR_TOWNNAME_END = SPECSTR_TOWNNAME_START + BUILTIN_TOWNNAME_GENERATOR_COUNT;
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/** Special strings for company names on the form "TownName transport". */
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static constexpr StringID SPECSTR_COMPANY_NAME_START = 0x70EA;
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static constexpr StringID SPECSTR_COMPANY_NAME_END = SPECSTR_COMPANY_NAME_START + BUILTIN_TOWNNAME_GENERATOR_COUNT;
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static constexpr StringID SPECSTR_SILLY_NAME = 0x70E5; ///< Special string for silly company names.
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static constexpr StringID SPECSTR_ANDCO_NAME = 0x70E6; ///< Special string for Surname & Co company names.
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static constexpr StringID SPECSTR_PRESIDENT_NAME = 0x70E7; ///< Special string for the president's name.
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using StringParameterData = std::variant<uint64_t, std::string>;
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#endif /* STRINGS_TYPE_H */
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