signal_func.h

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00001 /* $Id: signal_func.h 11871 2008-01-16 01:18:15Z smatz $ */
00002 
00005 #ifndef SIGNAL_FUNC_H
00006 #define SIGNAL_FUNC_H
00007 
00008 #include "track_type.h"
00009 #include "tile_type.h"
00010 #include "direction_type.h"
00011 #include "track_type.h"
00012 #include "player_type.h"
00013 
00018 static inline byte SignalAlongTrackdir(Trackdir trackdir)
00019 {
00020   extern const byte _signal_along_trackdir[TRACKDIR_END];
00021   return _signal_along_trackdir[trackdir];
00022 }
00023 
00028 static inline byte SignalAgainstTrackdir(Trackdir trackdir)
00029 {
00030   extern const byte _signal_against_trackdir[TRACKDIR_END];
00031   return _signal_against_trackdir[trackdir];
00032 }
00033 
00038 static inline byte SignalOnTrack(Track track)
00039 {
00040   extern const byte _signal_on_track[TRACK_END];
00041   return _signal_on_track[track];
00042 }
00043 
00044 bool UpdateSignalsOnSegment(TileIndex tile, DiagDirection side, Owner owner);
00045 void SetSignalsOnBothDir(TileIndex tile, Track track, Owner owner);
00046 void AddTrackToSignalBuffer(TileIndex tile, Track track, Owner owner);
00047 void AddSideToSignalBuffer(TileIndex tile, DiagDirection side, Owner owner);
00048 void UpdateSignalsInBuffer();
00049 
00050 #endif /* SIGNAL_FUNC_H */

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