track_data.h File Reference

Data related to rail tracks. More...

Go to the source code of this file.

Variables
const DiagDirectionIndexArray< 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 TrackdirIndexArray< Trackdir >	_next_trackdir
	Next trackdir to use when moving to a new tile for each current trackdir.
const TrackIndexArray< TrackdirBits >	_track_crosses_trackdirs
	Maps a trackdir to all trackdirs that make 90 deg turns with it.
const TrackIndexArray< TrackBits >	_track_crosses_tracks
	Maps a track to all tracks that make 90 deg turns with it.
const TrackdirIndexArray< DiagDirection >	_trackdir_to_exitdir
	Maps a trackdir to the (4-way) direction the tile is exited when following that trackdir.
const TrackIndexArray< DiagDirectionIndexArray< Trackdir > >	_track_exitdir_to_trackdir
	Maps a track and an (4-way) dir to the trackdir that represents the track with the exit in the given direction.
const TrackIndexArray< DiagDirectionIndexArray< Trackdir > >	_track_enterdir_to_trackdir
	Maps a track and an (4-way) dir to the trackdir that represents the track with the entry in the given direction.
const TrackIndexArray< DirectionIndexArray< Trackdir > >	_track_direction_to_trackdir
	Maps a track and a full (8-way) direction to the trackdir that represents the track running in the given direction.
const DiagDirectionIndexArray< Trackdir >	_dir_to_diag_trackdir
	Maps a (4-way) direction to the diagonal trackdir that runs in that direction.
const CornerIndexArray< TrackBits >	_corner_to_trackbits
	Maps a single horizontal/vertical trackbit that is in a specific tile corner.
const TrackdirBits	_uphill_trackdirs []

Detailed Description

Data related to rail tracks.

Definition in file track_data.h.

Variable Documentation

_corner_to_trackbits

const CornerIndexArray<TrackBits> _corner_to_trackbits

extern

Initial value:

{
  TRACK_BIT_LEFT, TRACK_BIT_LOWER, TRACK_BIT_RIGHT, TRACK_BIT_UPPER,
}

Maps a single horizontal/vertical trackbit that is in a specific tile corner.

Referenced by CornerToTrackBits().

_dir_to_diag_trackdir

const DiagDirectionIndexArray<Trackdir> _dir_to_diag_trackdir

extern

Initial value:

{
  TRACKDIR_X_NE, TRACKDIR_Y_SE, TRACKDIR_X_SW, TRACKDIR_Y_NW,
}

Maps a (4-way) direction to the diagonal trackdir that runs in that direction.

Referenced by DiagDirToDiagTrackdir().

_exitdir_reaches_trackdirs

const DiagDirectionIndexArray<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 TrackdirIndexArray<Trackdir> _next_trackdir

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
}

Next trackdir to use when moving to a new tile for each current trackdir.

Referenced by NextTrackdir().

_track_crosses_trackdirs

const TrackIndexArray<TrackdirBits> _track_crosses_trackdirs

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 TrackIndexArray<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 TrackIndexArray<DirectionIndexArray<Trackdir> > _track_direction_to_trackdir

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}
}}}

Maps a track and a full (8-way) direction to the trackdir that represents the track running in the given direction.

Referenced by TrackDirectionToTrackdir().

_track_enterdir_to_trackdir

const TrackIndexArray<DiagDirectionIndexArray<Trackdir> > _track_enterdir_to_trackdir

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}
}}}

Maps a track and an (4-way) dir to the trackdir that represents the track with the entry in the given direction.

Referenced by TrackEnterdirToTrackdir().

_track_exitdir_to_trackdir

const TrackIndexArray<DiagDirectionIndexArray<Trackdir> > _track_exitdir_to_trackdir

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}
}}}

Maps a track and an (4-way) dir to the trackdir that represents the track with the exit in the given direction.

Referenced by TrackExitdirToTrackdir().

_trackdir_to_exitdir

const TrackdirIndexArray<DiagDirection> _trackdir_to_exitdir

extern

Initial value:

{
  DiagDirection::NE, DiagDirection::SE, DiagDirection::NE, DiagDirection::SE, DiagDirection::SW, DiagDirection::SE, DiagDirection::NE, DiagDirection::NE,
  DiagDirection::SW, DiagDirection::NW, DiagDirection::NW, DiagDirection::SW, DiagDirection::NW, DiagDirection::NE,
}

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

Referenced by TrackdirToExitdir().