diff options
Diffstat (limited to 'src/signal_func.h')
| -rw-r--r-- | src/signal_func.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/signal_func.h b/src/signal_func.h index a5479a3e0..7dcf3fd81 100644 --- a/src/signal_func.h +++ b/src/signal_func.h @@ -41,7 +41,13 @@ static inline byte SignalOnTrack(Track track) return _signal_on_track[track]; } -bool UpdateSignalsOnSegment(TileIndex tile, DiagDirection side, Owner owner); +/** State of the signal segment */ +enum SigSegState { + SIGSEG_FREE, ///< Free and has no pre-signal exits or at least one green exit + SIGSEG_FULL, ///< Occupied by a train +}; + +SigSegState UpdateSignalsOnSegment(TileIndex tile, DiagDirection side, Owner owner); void SetSignalsOnBothDir(TileIndex tile, Track track, Owner owner); void AddTrackToSignalBuffer(TileIndex tile, Track track, Owner owner); void AddSideToSignalBuffer(TileIndex tile, DiagDirection side, Owner owner); |