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  3. UAvaTransformModifierShared

UAvaTransformModifierShared

Singleton class for transform modifiers to share data between each other Used because multiple modifier could be watching/updating an actor We want to save the state of that actor once before any modifier changes it and restore it when no other modifier is watching it

API > API/Plugins > API/Plugins/AvalancheModifiers > API/Plugins/AvalancheModifiers/Shared

Inheritance Hierarchy

References

   
Module AvalancheModifiers
Header /Engine/Plugins/Experimental/Avalanche/Source/AvalancheModifiers/Public/Shared/AvaTransformModifierShared.h
Include #include "Shared/AvaTransformModifierShared.h"

Syntax

UCLASS ()  
class UAvaTransformModifierShared : public UActorModifierCoreSharedObject

Remarks

Singleton class for transform modifiers to share data between each other Used because multiple modifier could be watching/updating an actor We want to save the state of that actor once before any modifier changes it and restore it when no other modifier is watching it

Variables

  Type Name Description
Protected variable UProperty TSet< FAvaTransformSharedActorState > ActorStates Actor state before any modifier applied to it

Functions

  Type Name Description
Public function TSet< FAvaTransformSharedActorState * >

FindActorsState ( UAvaBaseModifier* InModifierContext
)

 Get all actor state related to a modifier
Public function FAvaTransformSharedActorState *

FindActorState ( AActor* InActor
)

 Get the actor state for a specific actor
Public function bool

IsActorsStateSaved ( UAvaBaseModifier* InModifierContext
)

 Returns true, if this modifier is tracking any actor
Public function bool

IsActorStateSaved ( UAvaBaseModifier* InModifierContext,
AActor* InActor
)

 Returns true, if this modifier is tracking this actor
Protected function Virtual void  
Public function void

RestoreActorsState ( UAvaBaseModifier* InModifierContext,
const TSet< AActor* >* InActors,
EAvaTransformSharedModifier InRestoreTransform
)

 Restore all actors states linked to this modifier
Public function void

RestoreActorsState ( UAvaBaseModifier* InModifierContext,
const TSet< TWeakObjectPtr< AActor > >& InActors,
EAvaTransformSharedModifier InRestoreTransform
)

 Restore all specified actors linked to this modifier
Public function void

RestoreActorState ( UAvaBaseModifier* InModifierContext,
AActor* InActor,
EAvaTransformSharedModifier InRestoreTransform
)

 Restore actor state, removes it if no other modifier track that actor state
Public function void

SaveActorState ( UAvaBaseModifier* InModifierContext,
AActor* InActor
)

 Save actor state, adds it if it is not tracked

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