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  3. FLatentActionManager

FLatentActionManager

The latent action manager handles all pending latent actions for a single world.

Unreal Engine C++ API Reference > Runtime > Engine > Engine

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Classes/Engine/LatentActionManager.h
Include #include "Engine/LatentActionManager.h"

Syntax

struct FLatentActionManager

Remarks

The latent action manager handles all pending latent actions for a single world.

Variables

  Type Name Description
Protected variable FActionsForObject ActionsToRemoveMap  
Public variable FObjectToActionListMap ObjectToActionListMap  

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function void

AddNewAction ( UObject* InActionObject,
int32 UUID,
FPendingLatentAction* NewAction
)

 Adds a new action to the action list under a given UUID
Public function void Resets the list of objects we have processed the latent action list for.
Public function ActionType *

FindExistingAction ( UObject* InActionObject,
int32 UUID
)

 Finds the action instance for the supplied UUID, or will return NULL if one does not already exist.
Public function ActionType *

FindExistingActionWithPredicate ( UObject* InActionObject,
int32 UUID,
const PredicateType& FilterPredicate
)

 Finds the action instance for the supplied UUID, or will return NULL if one does not already exist.
Protected function Const const FObjectActions *

GetActionsForObject ( const TWeakObjectPtr< UObject >& InObject
)

 Finds the action instance for the supplied object will return NULL if one does not exist.
Protected function FObjectActions *

GetActionsForObject ( const TWeakObjectPtr< UObject >& InObject
)

 Finds the action instance for the supplied object will return NULL if one does not exist.
Public function Const void

GetActiveUUIDs ( UObject* InObject,
TSet< int32 >& UUIDList
)

 Builds a set of the UUIDs of pending latent actions on a specific object.
Public function Const FString

GetDescription ( UObject* InObject,
int32 UUID
)

 Gets the description string of a pending latent action with the specified UUID for a given object, or the empty string if it's an invalid UUID
Public function int32 Returns the number of actions for a given object
Public function Static FOnLatentActionsChanged &  
Public function void

ProcessLatentActions ( UObject* InObject,
float DeltaTime
)

 Advance pending latent actions by DeltaTime.
Public function void Removes all actions for given object.
Protected function void

TickLatentActionForObject ( float DeltaTime,
FActionList& ObjectActionList,
UObject* InObject
)

 Ticks the latent action for a single UObject.

Classes

  Type Name Description
Public struct FObjectActions    

Typedefs

Name Description
FActionList Map of UUID->Action(s).
FActionsForObject  
FObjectToActionListMap Map to convert from object to FActionList.
FUuidAndAction List of actions that will be unconditionally removed at the begin of next tick
FWeakObjectAndActions  

Constants

Name Description
LatentActionsChangedDelegate Delegate called when a latent action is added or removed

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