diff options
Diffstat (limited to 'rail.h')
| -rw-r--r-- | rail.h | 25 |
1 files changed, 24 insertions, 1 deletions
@@ -43,8 +43,9 @@ typedef enum SignalTypes { SIGTYPE_ENTRY = 1, // presignal block entry SIGTYPE_EXIT = 2, // presignal block exit SIGTYPE_COMBO = 3, // presignal inter-block + SIGTYPE_PBS = 4, // pbs signal SIGTYPE_END, - SIGTYPE_MASK = 3, + SIGTYPE_MASK = 7, } SignalType; typedef enum RailTypes { @@ -134,6 +135,11 @@ typedef enum SignalStates { SIGNAL_STATE_GREEN = 1, } SignalState; +// these are the maximums used for updating signal blocks, and checking if a depot is in a pbs block +enum { + NUM_SSD_ENTRY = 256, // max amount of blocks + NUM_SSD_STACK = 32 ,// max amount of blocks to check recursively +}; /** * Maps a Trackdir to the corresponding TrackdirBits value @@ -317,6 +323,15 @@ static inline Trackdir TrackExitdirToTrackdir(Track track, DiagDirection diagdir } /** + * Maps a track and an (4-way) dir to the trackdir that represents the track + * with the exit in the given direction. + */ +static inline Trackdir TrackEnterdirToTrackdir(Track track, DiagDirection diagdir) { + extern const Trackdir _track_enterdir_to_trackdir[TRACK_END][DIAGDIR_END]; + return _track_enterdir_to_trackdir[track][diagdir]; +} + +/** * Maps a track and a full (8-way) direction to the trackdir that represents * the track running in the given direction. */ @@ -359,6 +374,14 @@ static inline DiagDirection ReverseDiagdir(DiagDirection diagdir) { return _reverse_diagdir[diagdir]; } +/** + * Maps a (8-way) direction to a (4-way) DiagDirection + */ +static inline DiagDirection DirToDiagdir(Direction dir) { + assert(dir < DIR_END); + return (DiagDirection)(dir >> 1); +} + /* Checks if a given Track is diagonal */ static inline bool IsDiagonalTrack(Track track) { return (track == TRACK_DIAG1) || (track == TRACK_DIAG2); } |