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Location: cpp/openttd-patchpack/source/pbs.h - annotation
r2398:60efe212582c
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(svn r2924) Introduce the ALIGN() macro which aligns values to multiples of a power of 2, for exact semantics see the commment in macros.h
r2186:5ee653b1b5e1 r2186:5ee653b1b5e1 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2115:556698050edb r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2115:556698050edb r2115:556698050edb r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2164:bcdf63574138 r2008:5e435ad4c8e4 r2164:bcdf63574138 r2164:bcdf63574138 r2164:bcdf63574138 r2164:bcdf63574138 r2164:bcdf63574138 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 r2008:5e435ad4c8e4 | /* $Id$ */
#ifndef PBS_H
#define PBS_H
/** @file pbs.h Path-Based-Signalling header file
* @see pbs.c */
#include "vehicle.h"
#include "map.h"
#include "rail.h"
/**
* constants used for pbs_mode argument of npf-functions
*/
enum pbs_modes {
PBS_MODE_NONE = 0, // no pbs
PBS_MODE_GREEN = 1, // look for green exit signal from pbs block
PBS_MODE_ANY = 2, // look for any exit signal from block
};
/**
* constants used for v->u.rail.pbs_status
*/
enum PBSStatus {
PBS_STAT_NONE = 0,
PBS_STAT_HAS_PATH = 1,
PBS_STAT_NEED_PATH = 2,
};
void PBSReserveTrack(TileIndex tile, Track track);
/**<
* Marks a track as reserved.
* @param tile The tile of the track.
* @param track The track to reserve, valid values 0-5.
*/
byte PBSTileReserved(TileIndex tile);
/**<
* Check which tracks are reserved on a tile.
* @param tile The tile which you want to check.
* @return The tracks reserved on that tile, each of the bits 0-5 is set when the corresponding track is reserved.
*/
uint16 PBSTileUnavail(TileIndex tile);
/**<
* Check which trackdirs are unavailable due to reserved tracks on a tile.
* @param tile The tile which you want to check.
* @return The tracks reserved on that tile, each of the bits 0-5,8-13 is set when the corresponding trackdir is unavailable.
*/
void PBSClearTrack(TileIndex tile, Track track);
/**<
* Unreserves a track.
* @param tile The tile of the track.
* @param track The track to unreserve, valid values 0-5.
*/
void PBSClearPath(TileIndex tile, Trackdir trackdir, TileIndex end_tile, Trackdir end_trackdir);
/**<
* Follows a planned(reserved) path, and unreserves the tracks.
* @param tile The tile on which the path starts
* @param trackdir The trackdirection in which the path starts
* @param end_tile The tile on which the path ends
* @param end_trackdir The trackdirection in which the path ends
*/
bool PBSIsPbsSignal(TileIndex tile, Trackdir trackdir);
/**<
* Checks if there are pbs signals on a track.
* @param tile The tile you want to check
* @param trackdir The trackdir you want to check
* @return True when there are pbs signals on that tile
*/
bool PBSIsPbsSegment(uint tile, Trackdir trackdir);
/**<
* Checks if a signal/depot leads to a pbs block.
* This means that the block needs to have at least 1 signal, and that all signals in it need to be pbs signals.
* @param tile The tile to check
* @param trackdir The direction in which to check
* @return True when the depot is inside a pbs block
*/
#endif
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