--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/track_type.h Tue Dec 18 20:10:21 2007 +0000
@@ -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 */