mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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130 lines
6.9 KiB
C++
130 lines
6.9 KiB
C++
/* $Id$ */
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/** @file track_type.h All types related to tracks */
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#ifndef TRACK_TYPE_H
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#define TRACK_TYPE_H
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#include "core/enum_type.hpp"
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/**
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* These are used to specify a single track.
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* Can be translated to a trackbit with TrackToTrackbit
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*/
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enum Track {
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TRACK_BEGIN = 0, ///< Used for iterations
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TRACK_X = 0, ///< Track along the x-axis (north-east to south-west)
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TRACK_Y = 1, ///< Track along the y-axis (north-west to south-east)
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TRACK_UPPER = 2, ///< Track in the upper corner of the tile (north)
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TRACK_LOWER = 3, ///< Track in the lower corner of the tile (south)
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TRACK_LEFT = 4, ///< Track in the left corner of the tile (west)
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TRACK_RIGHT = 5, ///< Track in the right corner of the tile (east)
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TRACK_END, ///< Used for iterations
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INVALID_TRACK = 0xFF ///< Flag for an invalid track
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};
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/** Allow incrementing of Track variables */
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DECLARE_POSTFIX_INCREMENT(Track);
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/** Define basic enum properties */
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template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {};
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typedef TinyEnumT<Track> TrackByte;
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/** Bitfield corresponding to Track */
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enum TrackBits {
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TRACK_BIT_NONE = 0U, ///< No track
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TRACK_BIT_X = 1U << TRACK_X, ///< X-axis track
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TRACK_BIT_Y = 1U << TRACK_Y, ///< Y-axis track
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TRACK_BIT_UPPER = 1U << TRACK_UPPER, ///< Upper track
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TRACK_BIT_LOWER = 1U << TRACK_LOWER, ///< Lower track
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TRACK_BIT_LEFT = 1U << TRACK_LEFT, ///< Left track
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TRACK_BIT_RIGHT = 1U << TRACK_RIGHT, ///< Right track
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TRACK_BIT_CROSS = TRACK_BIT_X | TRACK_BIT_Y, ///< X-Y-axis cross
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TRACK_BIT_HORZ = TRACK_BIT_UPPER | TRACK_BIT_LOWER, ///< Upper and lower track
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TRACK_BIT_VERT = TRACK_BIT_LEFT | TRACK_BIT_RIGHT, ///< Left and right track
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TRACK_BIT_3WAY_NE = TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,///< "Arrow" to the north-east
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TRACK_BIT_3WAY_SE = TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,///< "Arrow" to the south-east
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TRACK_BIT_3WAY_SW = TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT, ///< "Arrow" to the south-west
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TRACK_BIT_3WAY_NW = TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT, ///< "Arrow" to the north-west
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TRACK_BIT_ALL = TRACK_BIT_CROSS | TRACK_BIT_HORZ | TRACK_BIT_VERT, ///< All possible tracks
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TRACK_BIT_MASK = 0x3FU, ///< Bitmask for the first 6 bits
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TRACK_BIT_WORMHOLE = 0x40U, ///< Bitflag for a wormhole (used for tunnels)
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TRACK_BIT_DEPOT = 0x80U, ///< Bitflag for a depot
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INVALID_TRACK_BIT = 0xFF ///< Flag for an invalid trackbits value
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};
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/** Define basic enum properties */
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template <> struct EnumPropsT<TrackBits> : MakeEnumPropsT<TrackBits, byte, TRACK_BIT_NONE, TRACK_BIT_ALL, INVALID_TRACK_BIT> {};
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typedef TinyEnumT<TrackBits> TrackBitsByte;
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DECLARE_ENUM_AS_BIT_SET(TrackBits);
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/**
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* Enumeration for tracks and directions.
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*
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* These are a combination of tracks and directions. Values are 0-5 in one
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* direction (corresponding to the Track enum) and 8-13 in the other direction.
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* 6, 7, 14 and 15 are used to encode the reversing of road vehicles. Those
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* reversing track dirs are not considered to be 'valid' except in a small
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* corner in the road vehicle controller.
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*/
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enum Trackdir {
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TRACKDIR_BEGIN = 0, ///< Used for iterations
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TRACKDIR_X_NE = 0, ///< X-axis and direction to north-east
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TRACKDIR_Y_SE = 1, ///< Y-axis and direction to south-east
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TRACKDIR_UPPER_E = 2, ///< Upper track and direction to east
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TRACKDIR_LOWER_E = 3, ///< Lower track and direction to east
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TRACKDIR_LEFT_S = 4, ///< Left track and direction to south
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TRACKDIR_RIGHT_S = 5, ///< Right track and direction to south
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TRACKDIR_RVREV_NE = 6, ///< (Road vehicle) reverse direction north-east
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TRACKDIR_RVREV_SE = 7, ///< (Road vehicle) reverse direction south-east
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TRACKDIR_X_SW = 8, ///< X-axis and direction to south-west
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TRACKDIR_Y_NW = 9, ///< Y-axis and direction to north-west
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TRACKDIR_UPPER_W = 10, ///< Upper track and direction to west
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TRACKDIR_LOWER_W = 11, ///< Lower track and direction to west
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TRACKDIR_LEFT_N = 12, ///< Left track and direction to north
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TRACKDIR_RIGHT_N = 13, ///< Right track and direction to north
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TRACKDIR_RVREV_SW = 14, ///< (Road vehicle) reverse direction south-west
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TRACKDIR_RVREV_NW = 15, ///< (Road vehicle) reverse direction north-west
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TRACKDIR_END, ///< Used for iterations
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INVALID_TRACKDIR = 0xFF, ///< Flag for an invalid trackdir
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};
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/** Define basic enum properties */
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template <> struct EnumPropsT<Trackdir> : MakeEnumPropsT<Trackdir, byte, TRACKDIR_BEGIN, TRACKDIR_END, INVALID_TRACKDIR> {};
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typedef TinyEnumT<Trackdir> TrackdirByte;
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/**
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* Enumeration of bitmasks for the TrackDirs
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*
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* These are a combination of tracks and directions. Values are 0-5 in one
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* direction (corresponding to the Track enum) and 8-13 in the other direction.
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*/
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enum TrackdirBits {
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TRACKDIR_BIT_NONE = 0x0000, ///< No track build
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TRACKDIR_BIT_X_NE = 0x0001, ///< Track x-axis, direction north-east
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TRACKDIR_BIT_Y_SE = 0x0002, ///< Track y-axis, direction south-east
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TRACKDIR_BIT_UPPER_E = 0x0004, ///< Track upper, direction east
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TRACKDIR_BIT_LOWER_E = 0x0008, ///< Track lower, direction east
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TRACKDIR_BIT_LEFT_S = 0x0010, ///< Track left, direction south
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TRACKDIR_BIT_RIGHT_S = 0x0020, ///< Track right, direction south
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/* Again, note the two missing values here. This enables trackdir -> track conversion by doing (trackdir & 0xFF) */
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TRACKDIR_BIT_X_SW = 0x0100, ///< Track x-axis, direction south-west
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TRACKDIR_BIT_Y_NW = 0x0200, ///< Track y-axis, direction north-west
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TRACKDIR_BIT_UPPER_W = 0x0400, ///< Track upper, direction west
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TRACKDIR_BIT_LOWER_W = 0x0800, ///< Track lower, direction west
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TRACKDIR_BIT_LEFT_N = 0x1000, ///< Track left, direction north
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TRACKDIR_BIT_RIGHT_N = 0x2000, ///< Track right, direction north
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TRACKDIR_BIT_MASK = 0x3F3F, ///< Bitmask for bit-operations
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INVALID_TRACKDIR_BIT = 0xFFFF, ///< Flag for an invalid trackdirbit value
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};
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/** Define basic enum properties */
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template <> struct EnumPropsT<TrackdirBits> : MakeEnumPropsT<TrackdirBits, uint16, TRACKDIR_BIT_NONE, TRACKDIR_BIT_MASK, INVALID_TRACKDIR_BIT> {};
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typedef TinyEnumT<TrackdirBits> TrackdirBitsShort;
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DECLARE_ENUM_AS_BIT_SET(TrackdirBits);
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typedef uint32 TrackStatus;
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#endif /* TRACK_TYPE_H */
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