mirror of https://github.com/OpenTTD/OpenTTD.git
83 lines
3.3 KiB
C
83 lines
3.3 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 road_type.h Enums and other types related to roads. */
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#ifndef ROAD_TYPE_H
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#define ROAD_TYPE_H
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#include "core/enum_type.hpp"
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typedef uint32_t RoadTypeLabel;
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static const RoadTypeLabel ROADTYPE_LABEL_ROAD = 'ROAD';
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static const RoadTypeLabel ROADTYPE_LABEL_TRAM = 'ELRL';
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/**
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* The different roadtypes we support
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*
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* @note currently only ROADTYPE_ROAD and ROADTYPE_TRAM are supported.
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*/
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enum RoadType : uint8_t {
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ROADTYPE_BEGIN = 0, ///< Used for iterations
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ROADTYPE_ROAD = 0, ///< Basic road type
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ROADTYPE_TRAM = 1, ///< Trams
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ROADTYPE_END = 63, ///< Used for iterations
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INVALID_ROADTYPE = 63, ///< flag for invalid roadtype
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};
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DECLARE_POSTFIX_INCREMENT(RoadType)
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/**
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* The different roadtypes we support, but then a bitmask of them.
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* @note Must be treated as a uint64_t type, narrowing it causes bit membership tests to give wrong results.
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*/
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enum RoadTypes : uint64_t {
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ROADTYPES_NONE = 0, ///< No roadtypes
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ROADTYPES_ROAD = 1 << ROADTYPE_ROAD, ///< Road
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ROADTYPES_TRAM = 1 << ROADTYPE_TRAM, ///< Trams
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INVALID_ROADTYPES = UINT64_MAX, ///< Invalid roadtypes
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};
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DECLARE_ENUM_AS_BIT_SET(RoadTypes)
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/**
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* Enumeration for the road parts on a tile.
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*
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* This enumeration defines the possible road parts which
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* can be build on a tile.
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*/
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enum RoadBits : uint8_t {
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ROAD_NONE = 0U, ///< No road-part is build
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ROAD_NW = 1U, ///< North-west part
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ROAD_SW = 2U, ///< South-west part
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ROAD_SE = 4U, ///< South-east part
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ROAD_NE = 8U, ///< North-east part
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ROAD_X = ROAD_SW | ROAD_NE, ///< Full road along the x-axis (south-west + north-east)
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ROAD_Y = ROAD_NW | ROAD_SE, ///< Full road along the y-axis (north-west + south-east)
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ROAD_N = ROAD_NE | ROAD_NW, ///< Road at the two northern edges
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ROAD_E = ROAD_NE | ROAD_SE, ///< Road at the two eastern edges
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ROAD_S = ROAD_SE | ROAD_SW, ///< Road at the two southern edges
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ROAD_W = ROAD_NW | ROAD_SW, ///< Road at the two western edges
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ROAD_ALL = ROAD_X | ROAD_Y, ///< Full 4-way crossing
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ROAD_END = ROAD_ALL + 1, ///< Out-of-range roadbits, used for iterations
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};
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DECLARE_ENUM_AS_BIT_SET(RoadBits)
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/** Which directions are disallowed ? */
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enum DisallowedRoadDirections : uint8_t {
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DRD_NONE, ///< None of the directions are disallowed
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DRD_SOUTHBOUND, ///< All southbound traffic is disallowed
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DRD_NORTHBOUND, ///< All northbound traffic is disallowed
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DRD_BOTH, ///< All directions are disallowed
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DRD_END, ///< Sentinel
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};
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DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections)
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#endif /* ROAD_TYPE_H */
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