track_data.h File Reference

Data related to rail tracks. More...

Go to the source code of this file.

Variables
const TrackdirBits	_exitdir_reaches_trackdirs []
	Maps a diagonal direction to the all trackdirs that are connected to any track entering in this direction (including those making 90 degree turns).
const Trackdir	_next_trackdir [TRACKDIR_END]
const TrackdirBits	_track_crosses_trackdirs [TRACK_END]
	Maps a trackdir to all trackdirs that make 90 deg turns with it.
const TrackBits	_track_crosses_tracks []
	Maps a track to all tracks that make 90 deg turns with it.
const DiagDirection	_trackdir_to_exitdir [TRACKDIR_END]
	Maps a trackdir to the (4-way) direction the tile is exited when following that trackdir.
const Trackdir	_track_exitdir_to_trackdir [][DIAGDIR_END]
const Trackdir	_track_enterdir_to_trackdir [][DIAGDIR_END]
const Trackdir	_track_direction_to_trackdir [][DIR_END]
const Trackdir	_dir_to_diag_trackdir []
const TrackBits	_corner_to_trackbits []
const TrackdirBits	_uphill_trackdirs []

Detailed Description

Data related to rail tracks.

Definition in file track_data.h.

Variable Documentation

_corner_to_trackbits

const TrackBits _corner_to_trackbits[]

extern

Initial value:

                                            = {
  TRACK_BIT_LEFT, TRACK_BIT_LOWER, TRACK_BIT_RIGHT, TRACK_BIT_UPPER,
}

_dir_to_diag_trackdir

const Trackdir _dir_to_diag_trackdir[]

extern

Initial value:

                                            = {
  TRACKDIR_X_NE, TRACKDIR_Y_SE, TRACKDIR_X_SW, TRACKDIR_Y_NW,
}

_exitdir_reaches_trackdirs

const TrackdirBits _exitdir_reaches_trackdirs[]

extern

Initial value:

                                                     = {
  TRACKDIR_BIT_X_NE | TRACKDIR_BIT_LOWER_E | TRACKDIR_BIT_LEFT_N,  
  TRACKDIR_BIT_Y_SE | TRACKDIR_BIT_LEFT_S  | TRACKDIR_BIT_UPPER_E, 
  TRACKDIR_BIT_X_SW | TRACKDIR_BIT_UPPER_W | TRACKDIR_BIT_RIGHT_S, 
  TRACKDIR_BIT_Y_NW | TRACKDIR_BIT_RIGHT_N | TRACKDIR_BIT_LOWER_W  
}

Maps a diagonal direction to the all trackdirs that are connected to any track entering in this direction (including those making 90 degree turns).

Referenced by DiagdirReachesTrackdirs(), and TrackdirReachesTrackdirs().

_next_trackdir

const Trackdir _next_trackdir[TRACKDIR_END]

extern

Initial value:

                                     = {
  TRACKDIR_X_NE,  TRACKDIR_Y_SE,  TRACKDIR_LOWER_E, TRACKDIR_UPPER_E, TRACKDIR_RIGHT_S, TRACKDIR_LEFT_S, INVALID_TRACKDIR, INVALID_TRACKDIR,
  TRACKDIR_X_SW,  TRACKDIR_Y_NW,  TRACKDIR_LOWER_W, TRACKDIR_UPPER_W, TRACKDIR_RIGHT_N, TRACKDIR_LEFT_N
}

_track_crosses_trackdirs

const TrackdirBits _track_crosses_trackdirs[TRACK_END]

extern

Initial value:

                                                   = {
  TRACKDIR_BIT_Y_SE     | TRACKDIR_BIT_Y_NW,                                                   
  TRACKDIR_BIT_X_NE     | TRACKDIR_BIT_X_SW,                                                   
  TRACKDIR_BIT_RIGHT_N  | TRACKDIR_BIT_RIGHT_S  | TRACKDIR_BIT_LEFT_N  | TRACKDIR_BIT_LEFT_S,  
  TRACKDIR_BIT_RIGHT_N  | TRACKDIR_BIT_RIGHT_S  | TRACKDIR_BIT_LEFT_N  | TRACKDIR_BIT_LEFT_S,  
  TRACKDIR_BIT_UPPER_W  | TRACKDIR_BIT_UPPER_E  | TRACKDIR_BIT_LOWER_W | TRACKDIR_BIT_LOWER_E, 
  TRACKDIR_BIT_UPPER_W  | TRACKDIR_BIT_UPPER_E  | TRACKDIR_BIT_LOWER_W | TRACKDIR_BIT_LOWER_E  
}

Maps a trackdir to all trackdirs that make 90 deg turns with it.

Referenced by TrackdirCrossesTrackdirs().

_track_crosses_tracks

const TrackBits _track_crosses_tracks[]

extern

Initial value:

                                             = {
  TRACK_BIT_Y,    
  TRACK_BIT_X,    
  TRACK_BIT_VERT, 
  TRACK_BIT_VERT, 
  TRACK_BIT_HORZ, 
  TRACK_BIT_HORZ  
}

Maps a track to all tracks that make 90 deg turns with it.

Referenced by TrackCrossesTracks().

_track_direction_to_trackdir

const Trackdir _track_direction_to_trackdir[][DIR_END]

extern

Initial value:

                                                   = {
  {INVALID_TRACKDIR, TRACKDIR_X_NE,     INVALID_TRACKDIR, INVALID_TRACKDIR,  INVALID_TRACKDIR, TRACKDIR_X_SW,     INVALID_TRACKDIR, INVALID_TRACKDIR},
  {INVALID_TRACKDIR, INVALID_TRACKDIR,  INVALID_TRACKDIR, TRACKDIR_Y_SE,     INVALID_TRACKDIR, INVALID_TRACKDIR,  INVALID_TRACKDIR, TRACKDIR_Y_NW},
  {INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_UPPER_E, INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_UPPER_W, INVALID_TRACKDIR},
  {INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_LOWER_E, INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_LOWER_W, INVALID_TRACKDIR},
  {TRACKDIR_LEFT_N,  INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_LEFT_S,  INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR},
  {TRACKDIR_RIGHT_N, INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR,  TRACKDIR_RIGHT_S, INVALID_TRACKDIR,  INVALID_TRACKDIR, INVALID_TRACKDIR}
}

_track_enterdir_to_trackdir

const Trackdir _track_enterdir_to_trackdir[][DIAGDIR_END]

extern

Initial value:

                                                  = {
  {TRACKDIR_X_NE,     INVALID_TRACKDIR,  TRACKDIR_X_SW,     INVALID_TRACKDIR},
  {INVALID_TRACKDIR,  TRACKDIR_Y_SE,     INVALID_TRACKDIR,  TRACKDIR_Y_NW},
  {INVALID_TRACKDIR,  TRACKDIR_UPPER_E,  TRACKDIR_UPPER_W,  INVALID_TRACKDIR},
  {TRACKDIR_LOWER_E,  INVALID_TRACKDIR,  INVALID_TRACKDIR,  TRACKDIR_LOWER_W},
  {TRACKDIR_LEFT_N,   TRACKDIR_LEFT_S,   INVALID_TRACKDIR,  INVALID_TRACKDIR},
  {INVALID_TRACKDIR,  INVALID_TRACKDIR,  TRACKDIR_RIGHT_S,  TRACKDIR_RIGHT_N}
}

_track_exitdir_to_trackdir

const Trackdir _track_exitdir_to_trackdir[][DIAGDIR_END]

extern

Initial value:

                                                 = {
  {TRACKDIR_X_NE,     INVALID_TRACKDIR,  TRACKDIR_X_SW,     INVALID_TRACKDIR},
  {INVALID_TRACKDIR,  TRACKDIR_Y_SE,     INVALID_TRACKDIR,  TRACKDIR_Y_NW},
  {TRACKDIR_UPPER_E,  INVALID_TRACKDIR,  INVALID_TRACKDIR,  TRACKDIR_UPPER_W},
  {INVALID_TRACKDIR,  TRACKDIR_LOWER_E,  TRACKDIR_LOWER_W,  INVALID_TRACKDIR},
  {INVALID_TRACKDIR,  INVALID_TRACKDIR,  TRACKDIR_LEFT_S,   TRACKDIR_LEFT_N},
  {TRACKDIR_RIGHT_N,  TRACKDIR_RIGHT_S,  INVALID_TRACKDIR,  INVALID_TRACKDIR}
}

_trackdir_to_exitdir

const DiagDirection _trackdir_to_exitdir[TRACKDIR_END]

extern

Initial value:

                                                = {
  DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_NE,
  DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NW, DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE,
}

Maps a trackdir to the (4-way) direction the tile is exited when following that trackdir.

Referenced by TrackdirToExitdir().