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VehicleResolverObject Struct Reference

Resolver for a vehicle (chain) More...

#include <newgrf_engine.h>

Inheritance diagram for VehicleResolverObject:
ResolverObject

Public Types

enum  WagonOverride { WO_NONE, WO_UNCACHED, WO_CACHED, WO_SELF }
 Application of 'wagon overrides'. More...

Public Member Functions

 VehicleResolverObject (EngineID engine_type, const Vehicle *v, WagonOverride wagon_override, bool info_view=false, CallbackID callback=CBID_NO_CALLBACK, uint32 callback_param1=0, uint32 callback_param2=0)
 Resolver of a vehicle (chain).
ScopeResolverGetScope (VarSpriteGroupScope scope=VSG_SCOPE_SELF, byte relative=0)
 Get a resolver for the scope.
const SpriteGroupResolveReal (const RealSpriteGroup *group) const
 Get the real sprites of the grf.
- Public Member Functions inherited from ResolverObject
 ResolverObject (const GRFFile *grffile, CallbackID callback=CBID_NO_CALLBACK, uint32 callback_param1=0, uint32 callback_param2=0)
 Resolver constructor.
const SpriteGroupResolve ()
 Resolve SpriteGroup.
uint16 ResolveCallback ()
 Resolve callback.
uint32 GetRemainingTriggers () const
 Returns the waiting triggers that did not trigger any rerandomisation.
uint32 GetReseedSum () const
 Returns the OR-sum of all bits that need reseeding independent of the scope they were accessed with.
void ResetState ()
 Resets the dynamic state of the resolver object.

Data Fields

VehicleScopeResolver self_scope
 Scope resolver for the indicated vehicle.
VehicleScopeResolver parent_scope
 Scope resolver for its parent vehicle.
VehicleScopeResolver relative_scope
 Scope resolver for an other vehicle in the chain.
byte cached_relative_count
 Relative position of the other vehicle.
- Data Fields inherited from ResolverObject
ScopeResolver default_scope
 Default implementation of the grf scope.
CallbackID callback
 Callback being resolved.
uint32 callback_param1
 First parameter (var 10) of the callback.
uint32 callback_param2
 Second parameter (var 18) of the callback.
uint32 last_value
 Result of most recent DeterministicSpriteGroup (including procedure calls)
uint32 waiting_triggers
 Waiting triggers to be used by any rerandomisation. (scope independent)
uint32 used_triggers
 Subset of cur_triggers, which actually triggered some rerandomisation. (scope independent)
uint32 reseed [VSG_END]
 Collects bits to rerandomise while triggering triggers.
const GRFFilegrffile
 GRFFile the resolved SpriteGroup belongs to.
const SpriteGrouproot_spritegroup
 Root SpriteGroup to use for resolving.

Detailed Description

Resolver for a vehicle (chain)

Definition at line 39 of file newgrf_engine.h.

Member Enumeration Documentation

Application of 'wagon overrides'.

Enumerator:
WO_NONE 

Resolve no wagon overrides.

WO_UNCACHED 

Resolve wagon overrides.

WO_CACHED 

Resolve wagon overrides using TrainCache::cached_override.

WO_SELF 

Resolve self-override (helicopter rotors and such).

Definition at line 41 of file newgrf_engine.h.

Constructor & Destructor Documentation

VehicleResolverObject::VehicleResolverObject ( EngineID  engine_type,
const Vehicle v,
WagonOverride  wagon_override,
bool  info_view = false,
CallbackID  callback = CBID_NO_CALLBACK,
uint32  callback_param1 = 0,
uint32  callback_param2 = 0 
)

Resolver of a vehicle (chain).

Parameters
engine_typeEngine type
vVehicle being resolved.
wagon_overrideApplication of wagon overrides.
info_viewIndicates if the item is being drawn in an info window.
callbackCallback ID.
callback_param1First parameter (var 10) of the callback.
callback_param2Second parameter (var 18) of the callback.

Definition at line 976 of file newgrf_engine.cpp.

References Vehicle::cargo_type, Vehicle::engine_type, GroundVehicleCache::first_engine, SpecializedVehicle< Train, Type >::From(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_engine_pool >::Get(), Vehicle::GetGroundVehicleCache(), Engine::grf_prop, Vehicle::IsGroundVehicle(), lengthof, ResolverObject::root_spritegroup, GRFFilePropsBase< Tcnt >::spritegroup, BaseVehicle::type, VEH_TRAIN, WO_CACHED, WO_NONE, and WO_SELF.

Member Function Documentation

ScopeResolver * VehicleResolverObject::GetScope ( VarSpriteGroupScope  scope = VSG_SCOPE_SELF,
byte  relative = 0 
)
virtual

Get a resolver for the scope.

Parameters
scopeScope to return.
relativeAdditional parameter for VSG_SCOPE_RELATIVE.
Returns
The resolver for the requested scope.

Reimplemented from ResolverObject.

Definition at line 351 of file newgrf_engine.cpp.

References Vehicle::First(), GB(), GetRegister(), Vehicle::Move(), Vehicle::Next(), parent_scope, relative_scope, self_scope, VehicleScopeResolver::v, VSG_SCOPE_PARENT, VSG_SCOPE_RELATIVE, and VSG_SCOPE_SELF.

Referenced by FillNewGRFVehicleCache().

const SpriteGroup * VehicleResolverObject::ResolveReal ( const RealSpriteGroup group) const
virtual

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