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Diffstat (limited to 'src/track_type.h')
-rw-r--r-- | src/track_type.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/track_type.h b/src/track_type.h new file mode 100644 index 000000000..b40795de5 --- /dev/null +++ b/src/track_type.h @@ -0,0 +1,125 @@ +/* $Id$ */ + +/** @file track_type.h All types related to tracks */ + +#ifndef TRACK_TYPE_H +#define TRACK_TYPE_H + +/** + * These are used to specify a single track. + * Can be translated to a trackbit with TrackToTrackbit + */ +enum Track { + TRACK_BEGIN = 0, ///< Used for iterations + TRACK_X = 0, ///< Track along the x-axis (north-east to south-west) + TRACK_Y = 1, ///< Track along the y-axis (north-west to south-east) + TRACK_UPPER = 2, ///< Track in the upper corner of the tile (north) + TRACK_LOWER = 3, ///< Track in the lower corner of the tile (south) + TRACK_LEFT = 4, ///< Track in the left corner of the tile (west) + TRACK_RIGHT = 5, ///< Track in the right corner of the tile (east) + TRACK_END, ///< Used for iterations + INVALID_TRACK = 0xFF ///< Flag for an invalid track +}; + +/** Allow incrementing of Track variables */ +DECLARE_POSTFIX_INCREMENT(Track); +/** Define basic enum properties */ +template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {}; +typedef TinyEnumT<Track> TrackByte; + + +/** Bitfield corresponding to Track */ +enum TrackBits { + TRACK_BIT_NONE = 0U, ///< No track + TRACK_BIT_X = 1U << TRACK_X, ///< X-axis track + TRACK_BIT_Y = 1U << TRACK_Y, ///< Y-axis track + TRACK_BIT_UPPER = 1U << TRACK_UPPER, ///< Upper track + TRACK_BIT_LOWER = 1U << TRACK_LOWER, ///< Lower track + TRACK_BIT_LEFT = 1U << TRACK_LEFT, ///< Left track + TRACK_BIT_RIGHT = 1U << TRACK_RIGHT, ///< Right track + TRACK_BIT_CROSS = TRACK_BIT_X | TRACK_BIT_Y, ///< X-Y-axis cross + TRACK_BIT_HORZ = TRACK_BIT_UPPER | TRACK_BIT_LOWER, ///< Upper and lower track + TRACK_BIT_VERT = TRACK_BIT_LEFT | TRACK_BIT_RIGHT, ///< Left and right track + TRACK_BIT_3WAY_NE = TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,///< "Arrow" to the north-east + TRACK_BIT_3WAY_SE = TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,///< "Arrow" to the south-east + TRACK_BIT_3WAY_SW = TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT, ///< "Arrow" to the south-west + TRACK_BIT_3WAY_NW = TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT, ///< "Arrow" to the north-west + TRACK_BIT_ALL = TRACK_BIT_CROSS | TRACK_BIT_HORZ | TRACK_BIT_VERT, ///< All possible tracks + TRACK_BIT_MASK = 0x3FU, ///< Bitmask for the first 6 bits + TRACK_BIT_WORMHOLE = 0x40U, ///< Bitflag for a wormhole (used for tunnels) + TRACK_BIT_DEPOT = 0x80U, ///< Bitflag for a depot + INVALID_TRACK_BIT = 0xFF ///< Flag for an invalid trackbits value +}; + +/** Define basic enum properties */ +template <> struct EnumPropsT<TrackBits> : MakeEnumPropsT<TrackBits, byte, TRACK_BIT_NONE, TRACK_BIT_ALL, INVALID_TRACK_BIT> {}; +typedef TinyEnumT<TrackBits> TrackBitsByte; + +DECLARE_ENUM_AS_BIT_SET(TrackBits); + +/** + * Enumeration for tracks and directions. + * + * These are a combination of tracks and directions. Values are 0-5 in one + * direction (corresponding to the Track enum) and 8-13 in the other direction. + * 6, 7, 14 and 15 are used to encode the reversing of road vehicles. Those + * reversing track dirs are not considered to be 'valid' except in a small + * corner in the road vehicle controller. + */ +enum Trackdir { + TRACKDIR_BEGIN = 0, ///< Used for iterations + TRACKDIR_X_NE = 0, ///< X-axis and direction to north-east + TRACKDIR_Y_SE = 1, ///< Y-axis and direction to south-east + TRACKDIR_UPPER_E = 2, ///< Upper track and direction to east + TRACKDIR_LOWER_E = 3, ///< Lower track and direction to east + TRACKDIR_LEFT_S = 4, ///< Left track and direction to south + TRACKDIR_RIGHT_S = 5, ///< Right track and direction to south + TRACKDIR_RVREV_NE = 6, ///< (Road vehicle) reverse direction north-east + TRACKDIR_RVREV_SE = 7, ///< (Road vehicle) reverse direction south-east + TRACKDIR_X_SW = 8, ///< X-axis and direction to south-west + TRACKDIR_Y_NW = 9, ///< Y-axis and direction to north-west + TRACKDIR_UPPER_W = 10, ///< Upper track and direction to west + TRACKDIR_LOWER_W = 11, ///< Lower track and direction to west + TRACKDIR_LEFT_N = 12, ///< Left track and direction to north + TRACKDIR_RIGHT_N = 13, ///< Right track and direction to north + TRACKDIR_RVREV_SW = 14, ///< (Road vehicle) reverse direction south-west + TRACKDIR_RVREV_NW = 15, ///< (Road vehicle) reverse direction north-west + TRACKDIR_END, ///< Used for iterations + INVALID_TRACKDIR = 0xFF, ///< Flag for an invalid trackdir +}; + +/** Define basic enum properties */ +template <> struct EnumPropsT<Trackdir> : MakeEnumPropsT<Trackdir, byte, TRACKDIR_BEGIN, TRACKDIR_END, INVALID_TRACKDIR> {}; +typedef TinyEnumT<Trackdir> TrackdirByte; + +/** + * Enumeration of bitmasks for the TrackDirs + * + * These are a combination of tracks and directions. Values are 0-5 in one + * direction (corresponding to the Track enum) and 8-13 in the other direction. + */ +enum TrackdirBits { + TRACKDIR_BIT_NONE = 0x0000, ///< No track build + TRACKDIR_BIT_X_NE = 0x0001, ///< Track x-axis, direction north-east + TRACKDIR_BIT_Y_SE = 0x0002, ///< Track y-axis, direction south-east + TRACKDIR_BIT_UPPER_E = 0x0004, ///< Track upper, direction east + TRACKDIR_BIT_LOWER_E = 0x0008, ///< Track lower, direction east + TRACKDIR_BIT_LEFT_S = 0x0010, ///< Track left, direction south + TRACKDIR_BIT_RIGHT_S = 0x0020, ///< Track right, direction south + /* Again, note the two missing values here. This enables trackdir -> track conversion by doing (trackdir & 0xFF) */ + TRACKDIR_BIT_X_SW = 0x0100, ///< Track x-axis, direction south-west + TRACKDIR_BIT_Y_NW = 0x0200, ///< Track y-axis, direction north-west + TRACKDIR_BIT_UPPER_W = 0x0400, ///< Track upper, direction west + TRACKDIR_BIT_LOWER_W = 0x0800, ///< Track lower, direction west + TRACKDIR_BIT_LEFT_N = 0x1000, ///< Track left, direction north + TRACKDIR_BIT_RIGHT_N = 0x2000, ///< Track right, direction north + TRACKDIR_BIT_MASK = 0x3F3F, ///< Bitmask for bit-operations + INVALID_TRACKDIR_BIT = 0xFFFF, ///< Flag for an invalid trackdirbit value +}; + +/** Define basic enum properties */ +template <> struct EnumPropsT<TrackdirBits> : MakeEnumPropsT<TrackdirBits, uint16, TRACKDIR_BIT_NONE, TRACKDIR_BIT_MASK, INVALID_TRACKDIR_BIT> {}; +typedef TinyEnumT<TrackdirBits> TrackdirBitsShort; +DECLARE_ENUM_AS_BIT_SET(TrackdirBits); + +#endif /* RAIL_H */ |