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  3. UAttributeSet

UAttributeSet

Defines the set of all GameplayAttributes for your game Games should subclass this and add [FGameplayAttributeData](API\Plugins\GameplayAbilities\FGameplayAttributeData) properties to represent attributes like health, damage, etc AttributeSets are added to the actors as subobjects, and then registered with the AbilitySystemComponent It often desired to have several sets per project that inherit from each other You could make a base health set, then have a player set that inherits from it and adds more attributes

Unreal Engine C++ API Reference > Plugins > GameplayAbilities

Inheritance Hierarchy

References

   
Module GameplayAbilities
Header /Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AttributeSet.h
Include #include "AttributeSet.h"

Syntax

UCLASS (DefaultToInstanced, Blueprintable)  
class UAttributeSet : public UObject

Remarks

Defines the set of all GameplayAttributes for your game Games should subclass this and add FGameplayAttributeData properties to represent attributes like health, damage, etc AttributeSets are added to the actors as subobjects, and then registered with the AbilitySystemComponent It often desired to have several sets per project that inherit from each other You could make a base health set, then have a player set that inherits from it and adds more attributes

Variables

  Type Name Description
Protected variable uint32: 1 bNetAddressable Is this attribute set safe to ID over the network by name?

Constructors

  Type Name Description
Public function  

UAttributeSet ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function Const FGameplayAbilityActorInfo *  
Public function Static void

GetAttributesFromSetClass ( const TSubclassOf< UAttributeSet >& AttributeSetClass,
TArray< FGameplayAttribute >& Attributes
)

 Populates (without emptying) a TArray with all FGameplayAttributes from an attribute set class.
Public function Const UAbilitySystemComponent *  
Public function Const UAbilitySystemComponent *  
Public function Const AActor * Gets information about owning actor
Public function Virtual void

InitFromMetaDataTable ( const UDataTable* DataTable
)

 Initializes attribute data from a meta DataTable
Public function Virtual Const void

OnAttributeAggregatorCreated ( const FGameplayAttribute& Attribute,
FAggregator* NewAggregator
)

 Callback for when an FAggregator is created for an attribute in this set.
Public function Virtual Const void

PostAttributeBaseChange ( const FGameplayAttribute& Attribute,
float OldValue,
float NewValue
)

 Called just after any modification happens to an attribute's base value when an attribute aggregator exists.
Public function Virtual void

PostAttributeChange ( const FGameplayAttribute& Attribute,
float OldValue,
float NewValue
)

 Called just after any modification happens to an attribute.
Public function Virtual void Called just after a GameplayEffect is executed to modify the base value of an attribute.
Public function Virtual Const void

PreAttributeBaseChange ( const FGameplayAttribute& Attribute,
float& NewValue
)

 This is called just before any modification happens to an attribute's base value when an attribute aggregator exists.
Public function Virtual void

PreAttributeChange ( const FGameplayAttribute& Attribute,
float& NewValue
)

 An "On Aggregator Change" type of event could go here, and that could be called when active gameplay effects are added or removed to an attribute aggregator.
Public function Virtual bool Called just before modifying the value of an attribute.
Public function Virtual void Print debug information to the log
Public function void This signifies the attribute set can be ID'd by name over the network.
Public function Virtual Const bool

ShouldInitProperty ( bool FirstInit,
FProperty* PropertyToInit
)

 Override to disable initialization for specific properties

Overridden from UObject

  Type Name Description
Public function Virtual Const bool IsNameStableForNetworking means an object can be referred to its path name (relative to outer) over the network
Public function Virtual Const bool IsSupportedForNetworking means an object can be referenced over the network
Public function Virtual void Called right after receiving a bunch
Public function Virtual void Called right before receiving a bunch

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