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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. More...
 
uint32 GetRandomBits () const
 Get a few random bits. More...
 
uint32 GetVariable (byte variable, uint32 parameter, bool *available) const
 Get a variable value. More...
 
- Public Member Functions inherited from ScopeResolver
 ScopeResolver (ResolverObject &ro)
 
virtual uint32 GetTriggers () const
 Get the triggers. More...
 
virtual void StorePSA (uint reg, int32 value)
 Store a value into the persistent storage area (PSA). More...
 

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?
 
- Data Fields inherited from ScopeResolver
ResolverObjectro
 Surrounding resolver object.
 

Detailed Description

Resolver for the railtype scope.

Definition at line 20 of file newgrf_railtype.h.

Constructor & Destructor Documentation

◆ RailTypeScopeResolver()

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

Constructor of the railtype scope resolvers.

Parameters
roSurrounding resolver.
tileTile containing the track. For track on a bridge this is the southern bridgehead.
contextAre we resolving sprites for the upper halftile, or on a bridge?

Definition at line 30 of file newgrf_railtype.h.

References GetRandomBits(), and GetVariable().

Member Function Documentation

◆ GetRandomBits()

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 21 of file newgrf_railtype.cpp.

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

Referenced by RailTypeScopeResolver().

◆ GetVariable()

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

Get a variable value.

Default implementation has no available variables.

Parameters
variableVariable to read
parameterParameter for 60+x variables
[out]availableSet to false, in case the variable does not exist.
Returns
Value

Reimplemented from ScopeResolver.

Definition at line 27 of file newgrf_railtype.cpp.

References _date, INVALID_TILE, and tile.

Referenced by RailTypeScopeResolver().


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