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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Abilities/GGA_AbilitySet.h"
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#include "Abilities/GameplayAbility.h"
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#include "Runtime/Launch/Resources/Version.h"
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#include "AbilitySystemComponent.h"
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#include "Utilities/GGA_AbilitySystemFunctionLibrary.h"
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DEFINE_LOG_CATEGORY(LogGGA_AbilitySet)
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GGA_AbilitySet)
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void FGGA_AbilitySet_GrantedHandles::AddAbilitySpecHandle(const FGameplayAbilitySpecHandle& Handle)
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{
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if (Handle.IsValid())
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{
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AbilitySpecHandles.Add(Handle);
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}
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}
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void FGGA_AbilitySet_GrantedHandles::AddGameplayEffectHandle(const FActiveGameplayEffectHandle& Handle)
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{
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if (Handle.IsValid())
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{
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GameplayEffectHandles.Add(Handle);
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}
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}
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void FGGA_AbilitySet_GrantedHandles::AddAttributeSet(UAttributeSet* Set)
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{
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GrantedAttributeSets.Add(Set);
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}
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void FGGA_AbilitySet_GrantedHandles::TakeFromAbilitySystem(UAbilitySystemComponent* ASC)
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{
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check(ASC);
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if (!ASC->IsOwnerActorAuthoritative())
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{
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// Must be authoritative to give or take ability sets.
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return;
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}
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for (const FGameplayAbilitySpecHandle& Handle : AbilitySpecHandles)
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{
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if (Handle.IsValid())
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{
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ASC->ClearAbility(Handle);
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}
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}
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for (const FActiveGameplayEffectHandle& Handle : GameplayEffectHandles)
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{
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if (Handle.IsValid())
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{
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ASC->RemoveActiveGameplayEffect(Handle);
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}
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}
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for (UAttributeSet* Set : GrantedAttributeSets)
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{
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ASC->RemoveSpawnedAttribute(Set);
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}
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AbilitySpecHandles.Reset();
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GameplayEffectHandles.Reset();
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GrantedAttributeSets.Reset();
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}
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UGGA_AbilitySet::UGGA_AbilitySet(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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void UGGA_AbilitySet::GiveToAbilitySystem(UAbilitySystemComponent* ASC, FGGA_AbilitySet_GrantedHandles* OutGrantedHandles, UObject* SourceObject, int32 OverrideLevel) const
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{
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check(ASC);
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if (!ASC->IsOwnerActorAuthoritative())
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{
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// Must be authoritative to give or take ability sets.
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return;
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}
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// Grant the attribute sets.
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for (int32 SetIndex = 0; SetIndex < GrantedAttributes.Num(); ++SetIndex)
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{
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const FGGA_AbilitySet_AttributeSet& SetToGrant = GrantedAttributes[SetIndex];
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const TSubclassOf<UAttributeSet> AttributeSetClass = SetToGrant.AttributeSet.LoadSynchronous();
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if (!AttributeSetClass)
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{
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UE_LOG(LogGGA_AbilitySet, Error, TEXT("GrantedAttributes[%d] on ability set [%s]: AttributeSet is not valid"), SetIndex, *GetNameSafe(this));
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continue;
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}
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if (UAttributeSet* ExistingOne = UGGA_AbilitySystemFunctionLibrary::GetAttributeSetByClass(ASC, AttributeSetClass))
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{
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UE_LOG(LogGGA_AbilitySet, Error, TEXT("GrantedAttributes[%d] on ability set [%s]: AttributeSet already exists."), SetIndex, *GetNameSafe(this));
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continue;
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}
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#if WITH_EDITORONLY_DATA
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if (!SetToGrant.bAttributeSetEnabled)
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{
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UE_LOG(LogGGA_AbilitySet, Display, TEXT( "GrantedAttributes[%d] on ability set [%s]:skipped for debugging."), SetIndex, *GetNameSafe(this));
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continue;
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}
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#endif
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UAttributeSet* NewSet = NewObject<UAttributeSet>(ASC->GetOwner(), AttributeSetClass);
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ASC->AddAttributeSetSubobject(NewSet);
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if (OutGrantedHandles)
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{
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OutGrantedHandles->AddAttributeSet(NewSet);
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}
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}
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// Grant the gameplay abilities.
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for (int32 AbilityIndex = 0; AbilityIndex < GrantedGameplayAbilities.Num(); ++AbilityIndex)
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{
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const FGGA_AbilitySet_GameplayAbility& AbilityToGrant = GrantedGameplayAbilities[AbilityIndex];
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const TSubclassOf<UGameplayAbility> AbilityClass = AbilityToGrant.Ability.LoadSynchronous();
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if (!AbilityClass)
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{
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UE_LOG(LogGGA_AbilitySet, Error, TEXT("GrantedGameplayAbilities[%d] on ability set [%s]: Ability class is not valid."), AbilityIndex, *GetNameSafe(this));
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continue;
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}
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#if WITH_EDITORONLY_DATA
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if (!AbilityToGrant.bAbilityEnabled)
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{
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UE_LOG(LogGGA_AbilitySet, Display, TEXT( "GrantedGameplayAbilities[%d] on ability set [%s]: Skipped for debugging."), AbilityIndex, *GetNameSafe(this));
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continue;
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}
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#endif
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UGameplayAbility* AbilityCDO = AbilityClass->GetDefaultObject<UGameplayAbility>();
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FGameplayAbilitySpec AbilitySpec(AbilityCDO, OverrideLevel > 0 ? OverrideLevel : AbilityToGrant.AbilityLevel);
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AbilitySpec.SourceObject = SourceObject;
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if (AbilityToGrant.InputID > 0)
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{
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AbilitySpec.InputID = AbilityToGrant.InputID;
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}
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if (!AbilityToGrant.DynamicTags.IsEmpty())
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{
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#if ENGINE_MINOR_VERSION > 4
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AbilitySpec.GetDynamicSpecSourceTags().AppendTags(AbilityToGrant.DynamicTags);
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#else
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AbilitySpec.DynamicAbilityTags.AppendTags(AbilityToGrant.DynamicTags);
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#endif
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}
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const FGameplayAbilitySpecHandle AbilitySpecHandle = ASC->GiveAbility(AbilitySpec);
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if (OutGrantedHandles)
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{
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OutGrantedHandles->AddAbilitySpecHandle(AbilitySpecHandle);
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}
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}
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// Grant the gameplay effects.
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for (int32 EffectIndex = 0; EffectIndex < GrantedGameplayEffects.Num(); ++EffectIndex)
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{
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const FGGA_AbilitySet_GameplayEffect& EffectToGrant = GrantedGameplayEffects[EffectIndex];
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const TSubclassOf<UGameplayEffect> EffectClass = EffectToGrant.GameplayEffect.LoadSynchronous();
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if (!EffectClass)
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{
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UE_LOG(LogGGA_AbilitySet, Error, TEXT("GrantedGameplayEffects[%d] on ability set [%s]:Effect Class is not valid"), EffectIndex, *GetNameSafe(this));
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continue;
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}
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#if WITH_EDITORONLY_DATA
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if (!EffectToGrant.bEffectEnabled)
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{
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UE_LOG(LogGGA_AbilitySet, Display, TEXT( "GrantedGameplayEffects[%d] on ability set [%s]:Skipped for debugging."), EffectIndex, *GetNameSafe(this));
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continue;
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}
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#endif
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const UGameplayEffect* GameplayEffectCDO = EffectClass->GetDefaultObject<UGameplayEffect>();
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const FActiveGameplayEffectHandle GameplayEffectHandle = ASC->
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ApplyGameplayEffectToSelf(GameplayEffectCDO, OverrideLevel > 0 ? OverrideLevel : EffectToGrant.EffectLevel, ASC->MakeEffectContext());
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if (OutGrantedHandles)
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{
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OutGrantedHandles->AddGameplayEffectHandle(GameplayEffectHandle);
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if (GameplayEffectCDO->DurationPolicy == EGameplayEffectDurationType::Infinite && !GameplayEffectHandle.IsValid())
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{
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UE_LOG(LogGGA_AbilitySet, Warning, TEXT("Granted Infinite GameplayEffects[%d] on ability set [%s] failed to apply"), EffectIndex, *GetNameSafe(this));
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}
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}
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}
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}
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FGGA_AbilitySet_GrantedHandles UGGA_AbilitySet::GiveAbilitySetToAbilitySystem(TSoftObjectPtr<UGGA_AbilitySet> AbilitySet, UAbilitySystemComponent* ASC, UObject* SourceObject, int32 OverrideLevel)
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{
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FGGA_AbilitySet_GrantedHandles GrantedHandles;
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if (IsValid(ASC) && !AbilitySet.IsNull())
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{
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if (!AbilitySet.IsValid())
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{
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AbilitySet.LoadSynchronous();
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}
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AbilitySet->GiveToAbilitySystem(ASC, &GrantedHandles, SourceObject, OverrideLevel);
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}
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return GrantedHandles;
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}
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TArray<FGGA_AbilitySet_GrantedHandles> UGGA_AbilitySet::GiveAbilitySetsToAbilitySystem(TArray<TSoftObjectPtr<UGGA_AbilitySet>> AbilitySets, UAbilitySystemComponent* ASC, UObject* SourceObject,
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int32 OverrideLevel)
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{
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TArray<FGGA_AbilitySet_GrantedHandles> Handles;
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for (auto& AbilitySet : AbilitySets)
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{
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Handles.Add(GiveAbilitySetToAbilitySystem(AbilitySet, ASC, SourceObject, OverrideLevel));
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}
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return Handles;
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}
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void UGGA_AbilitySet::TakeAbilitySetFromAbilitySystem(FGGA_AbilitySet_GrantedHandles& GrantedHandles, UAbilitySystemComponent* ASC)
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{
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if (IsValid(ASC))
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{
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GrantedHandles.TakeFromAbilitySystem(ASC);
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}
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}
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void UGGA_AbilitySet::TakeAbilitySetsFromAbilitySystem(TArray<FGGA_AbilitySet_GrantedHandles>& GrantedHandles, UAbilitySystemComponent* ASC)
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{
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if (IsValid(ASC))
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{
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for (FGGA_AbilitySet_GrantedHandles& Handle : GrantedHandles)
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{
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Handle.TakeFromAbilitySystem(ASC);
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}
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}
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}
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#if WITH_EDITOR
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#include "UObject/ObjectSaveContext.h"
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void FGGA_AbilitySet_GameplayAbility::MakeEditorFriendlyName()
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{
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EditorFriendlyName = "Empty Ability";
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if (!Ability.IsNull())
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{
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if (TSubclassOf<UGameplayAbility> Loaded = Ability.LoadSynchronous())
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{
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EditorFriendlyName = Loaded->GetDisplayNameText().ToString();
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}
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}
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}
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void FGGA_AbilitySet_GameplayEffect::MakeEditorFriendlyName()
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{
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EditorFriendlyName = "Empty Effect";
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if (!GameplayEffect.IsNull())
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{
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if (TSubclassOf<UGameplayEffect> Loaded = GameplayEffect.LoadSynchronous())
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{
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EditorFriendlyName = Loaded->GetDisplayNameText().ToString();
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}
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}
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}
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void FGGA_AbilitySet_AttributeSet::MakeEditorFriendlyName()
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{
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EditorFriendlyName = "Empty Attribute Set";
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if (!AttributeSet.IsNull())
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{
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if (TSubclassOf<UAttributeSet> Loaded = AttributeSet.LoadSynchronous())
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{
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EditorFriendlyName = Loaded->GetDisplayNameText().ToString();
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}
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}
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}
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void UGGA_AbilitySet::PreSave(FObjectPreSaveContext SaveContext)
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{
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Super::PreSave(SaveContext);
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if (!IsRunningCommandlet())
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{
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for (auto& Ability : GrantedGameplayAbilities)
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{
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Ability.MakeEditorFriendlyName();
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}
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for (auto& Effect : GrantedGameplayEffects)
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{
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Effect.MakeEditorFriendlyName();
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}
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for (auto& Attribute : GrantedAttributes)
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{
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Attribute.MakeEditorFriendlyName();
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}
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}
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}
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void UGGA_AbilitySet::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
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{
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Super::PostEditChangeProperty(PropertyChangedEvent);
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}
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void UGGA_AbilitySet::PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChangedEvent)
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{
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FName MemberName = PropertyChangedEvent.PropertyChain.GetActiveMemberNode()->GetValue()->GetFName();
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if (PropertyChangedEvent.GetPropertyName() == TEXT("Ability") && MemberName == GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedGameplayAbilities))
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{
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const int32 Index = PropertyChangedEvent.GetArrayIndex(GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedGameplayAbilities).ToString());
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if (Index != INDEX_NONE)
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{
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GrantedGameplayAbilities[Index].MakeEditorFriendlyName();
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}
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}
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if (PropertyChangedEvent.GetPropertyName() == TEXT("GameplayEffect") && MemberName == GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedGameplayEffects))
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{
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const int32 Index = PropertyChangedEvent.GetArrayIndex(GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedGameplayEffects).ToString());
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if (Index != INDEX_NONE)
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{
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GrantedGameplayEffects[Index].MakeEditorFriendlyName();
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}
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}
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if (PropertyChangedEvent.GetPropertyName() == TEXT("AttributeSet") && MemberName == GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedAttributes))
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{
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const int32 Index = PropertyChangedEvent.GetArrayIndex(GET_MEMBER_NAME_CHECKED(UGGA_AbilitySet, GrantedGameplayEffects).ToString());
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if (Index != INDEX_NONE)
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{
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GrantedAttributes[Index].MakeEditorFriendlyName();
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}
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}
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Super::PostEditChangeChainProperty(PropertyChangedEvent);
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}
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#endif
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