Resolver for the railtype scope. More...
#include <newgrf_railtype.h>
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? |
Resolver for the railtype scope.
Definition at line 20 of file newgrf_railtype.h.
RailTypeScopeResolver::RailTypeScopeResolver | ( | ResolverObject & | ro, | |
TileIndex | tile, | |||
TileContext | context | |||
) |
Constructor of the railtype scope resolvers.
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.
uint32 RailTypeScopeResolver::GetRandomBits | ( | ) | const [virtual] |
Get a few random bits.
Default implementation has no 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.
variable | Variable to read | |
parameter | Parameter for 60+x variables | |
[out] | available | Set to false, in case the variable does not exist. |
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.