# CYapfCostRailT< Types > Class Template Reference

Inheritance diagram for CYapfCostRailT< Types >:

## Data Structures
struct | TILE
## Public Types
typedef Types::Tpf | Tpf
| the pathfinder class (derived from THIS class)
typedef Types::TrackFollower | TrackFollower
typedef Types::NodeList::Titem | Node
| this will be our node type
typedef Node::Key | Key
| key to hash tables
typedef Node::CachedData | CachedData
## Public Member Functions
FORCEINLINE int | SlopeCost (TileIndex tile, Trackdir td)
FORCEINLINE int | CurveCost (Trackdir td1, Trackdir td2)
FORCEINLINE int | SwitchCost (TileIndex tile1, TileIndex tile2, DiagDirection exitdir)
FORCEINLINE int | OneTileCost (TileIndex &tile, Trackdir trackdir)
| Return one tile cost (base cost + level crossing penalty).
FORCEINLINE bool | IsAnyStationTileReserved (TileIndex tile, Trackdir trackdir, int skipped)
| Check for a reserved station platform.
FORCEINLINE int | ReservationCost (Node &n, TileIndex tile, Trackdir trackdir, int skipped)
| The cost for reserved tiles, including skipped ones.
int | SignalCost (Node &n, TileIndex tile, Trackdir trackdir)
FORCEINLINE int | PlatformLengthPenalty (int platform_length)
FORCEINLINE void | SetMaxCost (int max_cost)
FORCEINLINE bool | PfCalcCost (Node &n, const TrackFollower *tf)
| Called by YAPF to calculate the cost from the origin to the given node.
FORCEINLINE bool | CanUseGlobalCache (Node &n) const
FORCEINLINE void | ConnectNodeToCachedData (Node &n, CachedData &ci)
void | DisableCache (bool disable)
## Data Fields
bool | m_stopped_on_first_two_way_signal
## Protected Member Functions
Tpf & | Yapf ()
| to access inherited path finder
## Protected Attributes
int | m_max_cost
CBlobT< int > | m_sig_look_ahead_costs
bool | m_disable_cache
## Static Protected Attributes
static const int | s_max_segment_cost = 10000

## Detailed Description

### template<class Types>
class CYapfCostRailT< Types >

Definition at line 18 of file yapf_costrail.hpp.

## Member Function Documentation

template<class Types >

FORCEINLINE bool CYapfCostRailT< Types >::IsAnyStationTileReserved | ( | TileIndex | tile,
|  | Trackdir | trackdir,
|  | int | skipped |
| ) |  |  | `[inline]`

Check for a reserved station platform.

Definition at line 159 of file yapf_costrail.hpp.

References HasStationReservation(), ReverseTrackdir(), TileOffsByDiagDir(), and TrackdirToExitdir().

Referenced by CYapfCostRailT< Types >::ReservationCost().

template<class Types >

FORCEINLINE int CYapfCostRailT< Types >::OneTileCost | ( | TileIndex & | tile,
|  | Trackdir | trackdir |
| ) |  |  | `[inline]`

Return one tile cost (base cost + level crossing penalty).

Definition at line 134 of file yapf_costrail.hpp.

References GetTileType(), IsDiagonalTrackdir(), MP_ROAD, CYapfCostRailT< Types >::Yapf(), YAPF_TILE_CORNER_LENGTH, and YAPF_TILE_LENGTH.

template<class Types >

FORCEINLINE bool CYapfCostRailT< Types >::PfCalcCost | ( | Node & | n,
|  | const TrackFollower * | tf |
| ) |  |  | `[inline]`

Called by YAPF to calculate the cost from the origin to the given node.

Calculates only the cost of given node, adds it to the parent node cost and stores the result into Node::m_cost member

Definition at line 282 of file yapf_costrail.hpp.

References _settings_game, Vehicle::current_order, FindFirstBit2x64(), CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::Follow(), PathfinderSettings::forbid_90_deg, SpecializedStation< Waypoint, true >::Get(), BaseStation::GetByTile(), Order::GetDestination(), BaseStation::GetPlatformLength(), GetSignalStateByTrackdir(), GetStationIndex(), HasOnewaySignalBlockingTrackdir(), HasPbsSignalOnTrackdir(), HasSignalOnTrackdir(), INVALID_TILE, INVALID_TRACKDIR, IsRailDepot(), IsRailWaypoint(), IsSafeWaitingPosition(), IsTileType(), Order::IsType(), IsWaitingPositionFree(), KillFirstBit(), CYapfCostRailT< Types >::m_max_cost, CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::m_new_td_bits, CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::m_new_tile, Vehicle::max_speed, MP_RAILWAY, MP_STATION, GameSettings::pf, RemoveFirstTrackdir(), ReverseDiagDir(), SIGNAL_STATE_RED, SIGTYPE_EXIT, CBlobT< Titem_, Tbase_ >::Size(), TRACKDIR_BIT_NONE, TrackdirToExitdir(), TrackdirToTrack(), TrackdirToTrackdirBits(), CYapfCostRailT< Types >::Yapf(), and YAPF_TILE_LENGTH.

template<class Types >

FORCEINLINE int CYapfCostRailT< Types >::ReservationCost | ( | Node & | n,
|  | TileIndex | tile,
|  | Trackdir | trackdir,
|  | int | skipped |
| ) |  |  | `[inline]`

The cost for reserved tiles, including skipped ones.

Definition at line 169 of file yapf_costrail.hpp.

References GetReservedTrackbits(), CYapfCostRailT< Types >::IsAnyStationTileReserved(), IsDiagonalTrackdir(), IsRailStationTile(), CBlobT< Titem_, Tbase_ >::Size(), TrackdirToTrack(), TrackOverlapsTracks(), CYapfCostRailT< Types >::Yapf(), YAPF_TILE_CORNER_LENGTH, and YAPF_TILE_LENGTH.

## Field Documentation

template<class Types >

int CYapfCostRailT< Types >::m_max_cost`[protected]`

Note:
  maximum cost doesn't work with caching enabled

Todo:
  fix maximum cost failing with caching (e.g. FS#2900)

Definition at line 68 of file yapf_costrail.hpp.

Referenced by CYapfCostRailT< Types >::PfCalcCost().

The documentation for this class was generated from the following file:

- src/pathfinder/yapf/yapf_costrail.hpp