OpenTTD-patches/src/rail_type.h
2024-01-07 17:20:41 +00:00

57 lines
2.4 KiB
C++

/*
* 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 rail_type.h The different types of rail */
#ifndef RAIL_TYPE_H
#define RAIL_TYPE_H
#include "core/enum_type.hpp"
typedef uint32_t RailTypeLabel;
static const RailTypeLabel RAILTYPE_LABEL_RAIL = 'RAIL';
static const RailTypeLabel RAILTYPE_LABEL_ELECTRIC = 'ELRL';
static const RailTypeLabel RAILTYPE_LABEL_MONO = 'MONO';
static const RailTypeLabel RAILTYPE_LABEL_MAGLEV = 'MGLV';
/**
* Enumeration for all possible railtypes.
*
* This enumeration defines all 4 possible railtypes.
*/
enum RailType : byte {
RAILTYPE_BEGIN = 0, ///< Used for iterations
RAILTYPE_RAIL = 0, ///< Standard non-electric rails
RAILTYPE_ELECTRIC = 1, ///< Electric rails
RAILTYPE_MONO = 2, ///< Monorail
RAILTYPE_MAGLEV = 3, ///< Maglev
RAILTYPE_END = 64, ///< Used for iterations
INVALID_RAILTYPE = 0xFF, ///< Flag for invalid railtype
};
/** Allow incrementing of Track variables */
DECLARE_POSTFIX_INCREMENT(RailType)
/** Define basic enum properties */
template <> struct EnumPropsT<RailType> : MakeEnumPropsT<RailType, byte, RAILTYPE_BEGIN, RAILTYPE_END, INVALID_RAILTYPE, 6> {};
/**
* The different railtypes we support, but then a bitmask of them.
* @note Must be treated as a uint64_t type, narrowing it causes bit membership tests to give wrong results, as in bug #6951.
*/
enum RailTypes : uint64_t {
RAILTYPES_NONE = 0, ///< No rail types
RAILTYPES_RAIL = 1 << RAILTYPE_RAIL, ///< Non-electrified rails
RAILTYPES_ELECTRIC = 1 << RAILTYPE_ELECTRIC, ///< Electrified rails
RAILTYPES_MONO = 1 << RAILTYPE_MONO, ///< Monorail!
RAILTYPES_MAGLEV = 1 << RAILTYPE_MAGLEV, ///< Ever fast maglev
INVALID_RAILTYPES = UINT64_MAX, ///< Invalid railtypes
};
DECLARE_ENUM_AS_BIT_SET(RailTypes)
#endif /* RAIL_TYPE_H */