Public Member Functions | Data Fields

RailTypeScopeResolver Struct Reference

Resolver for the railtype scope. More...

#include <newgrf_railtype.h>

Inheritance diagram for RailTypeScopeResolver:
ScopeResolver

Public Member Functions

 RailTypeScopeResolver (ResolverObject &ro, TileIndex tile, TileContext context)
 Constructor of the railtype scope resolvers.
uint32 GetRandomBits () const
 Get a few random bits.
uint32 GetVariable (byte variable, uint32 parameter, bool *available) const
 Get a variable value.

Data Fields

TileIndex tile
 Tracktile. For track on a bridge this is the southern bridgehead.
TileContext context
 Are we resolving sprites for the upper halftile, or on a bridge?

Detailed Description

Resolver for the railtype scope.

Definition at line 20 of file newgrf_railtype.h.


Constructor & Destructor Documentation

RailTypeScopeResolver::RailTypeScopeResolver ( ResolverObject ro,
TileIndex  tile,
TileContext  context 
)

Constructor of the railtype scope resolvers.

Parameters:
ro Surrounding resolver.
tile Tile containing the track. For track on a bridge this is the southern bridgehead.
context Are we resolving sprites for the upper halftile, or on a bridge?

Definition at line 74 of file newgrf_railtype.cpp.


Member Function Documentation

uint32 RailTypeScopeResolver::GetRandomBits (  )  const [virtual]

Get a few random bits.

Default implementation has no random bits.

Returns:
Random bits.

Reimplemented from ScopeResolver.

Definition at line 19 of file newgrf_railtype.cpp.

References CountBits(), GB(), tile, TILE_SIZE, TileX(), and TileY().

uint32 RailTypeScopeResolver::GetVariable ( byte  variable,
uint32  parameter,
bool *  available 
) const [virtual]

Get a variable value.

Default implementation has no available variables.

Parameters:
variable Variable to read
parameter Parameter for 60+x variables
[out] available Set to false, in case the variable does not exist.
Returns:
Value

Reimplemented from ScopeResolver.

Definition at line 25 of file newgrf_railtype.cpp.

References _date, Depot::build_date, ClosestTownFromTile(), context, DEBUG, GetTerrainType(), GetTownRadiusGroup(), INVALID_TILE, IsCrossingBarred(), IsLevelCrossingTile(), IsRailDepotTile(), and tile.


The documentation for this struct was generated from the following files: