OpenTTD
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Implementation of the oldest supported ship pathfinder. More...
#include "../../stdafx.h"
#include "../../tunnelbridge_map.h"
#include "../../tunnelbridge.h"
#include "../../ship.h"
#include "../../core/random_func.hpp"
#include "../../safeguards.h"
Go to the source code of this file.
Data Structures | |
struct | RememberData |
struct | TrackPathFinder |
Functions | |
static bool | ShipTrackFollower (TileIndex tile, TrackPathFinder *pfs, uint length) |
static void | TPFModeShip (TrackPathFinder *tpf, TileIndex tile, DiagDirection direction) |
static void | OPFShipFollowTrack (TileIndex tile, DiagDirection direction, TrackPathFinder *tpf) |
static uint | FindShipTrack (const Ship *v, TileIndex tile, DiagDirection dir, TrackBits bits, TileIndex skiptile, Track *track) |
Track | OPFShipChooseTrack (const Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool &path_found) |
returns the track to choose on the next tile, or -1 when it's better to reverse. |
Variables | |
static const DiagDirection | _ship_search_directions [6][4] |
Directions to search towards given track bits and the ship's enter direction. | |
static const byte | _pick_shiptrack_table [6] = {DIR_NE, DIR_SE, DIR_E, DIR_E, DIR_N, DIR_N} |
Track to "direction (& 3)" mapping. |
Implementation of the oldest supported ship pathfinder.
Definition in file opf_ship.cpp.
Track OPFShipChooseTrack | ( | const Ship * | v, |
TileIndex | tile, | ||
DiagDirection | enterdir, | ||
TrackBits | tracks, | ||
bool & | path_found | ||
) |
returns the track to choose on the next tile, or -1 when it's better to reverse.
Finds the best path for given ship using OPF.
The tile given is the tile we are about to enter, enterdir is the direction in which we are entering the tile
Definition at line 190 of file opf_ship.cpp.
References DiagdirReachesTracks(), GetTileTrackStatus(), Ship::GetVehicleTrackdir(), INVALID_TRACK, IsValidDiagDirection(), ReverseDiagDir(), TILE_ADD, TileOffsByDiagDir(), TrackdirBitsToTrackBits(), TrackdirToTrackdirBits(), TrackStatusToTrackBits(), and TRANSPORT_WATER.
Referenced by ChooseShipTrack().
Track to "direction (& 3)" mapping.
Definition at line 134 of file opf_ship.cpp.
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static |
Directions to search towards given track bits and the ship's enter direction.
Definition at line 124 of file opf_ship.cpp.