OpenTTD
pbs.h
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1 /* $Id: pbs.h 24905 2013-01-11 07:39:25Z peter1138 $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8  */
9 
12 #ifndef PBS_H
13 #define PBS_H
14 
15 #include "tile_type.h"
16 #include "direction_type.h"
17 #include "track_type.h"
18 #include "vehicle_type.h"
19 
21 
23 
24 bool TryReserveRailTrack(TileIndex tile, Track t, bool trigger_stations = true);
25 void UnreserveRailTrack(TileIndex tile, Track t);
26 
28 struct PBSTileInfo {
31  bool okay;
32 
37 
44  PBSTileInfo(TileIndex _t, Trackdir _td, bool _okay) : tile(_t), trackdir(_td), okay(_okay) {}
45 };
46 
47 PBSTileInfo FollowTrainReservation(const Train *v, Vehicle **train_on_res = NULL);
48 bool IsSafeWaitingPosition(const Train *v, TileIndex tile, Trackdir trackdir, bool include_line_end, bool forbid_90deg = false);
49 bool IsWaitingPositionFree(const Train *v, TileIndex tile, Trackdir trackdir, bool forbid_90deg = false);
50 
52 
60 static inline bool HasReservedTracks(TileIndex tile, TrackBits tracks)
61 {
62  return (GetReservedTrackbits(tile) & tracks) != TRACK_BIT_NONE;
63 }
64 
65 #endif /* PBS_H */