From caae7fd758e604b4d797b51d3c2fe9027c8d239b Mon Sep 17 00:00:00 2001
From: Ed_ <edwardgz@gmail.com>
Date: Wed, 24 Apr 2024 11:58:40 -0400
Subject: [PATCH] 43. Instant and Duration Application Policy

---
 .../Gasa/AbilitySystem/GasaEffectActor.cpp    | 82 +++++++++++++++++++
 .../Gasa/AbilitySystem/GasaEffectActor.h      |  4 +-
 2 files changed, 83 insertions(+), 3 deletions(-)

diff --git a/Project/Source/Gasa/AbilitySystem/GasaEffectActor.cpp b/Project/Source/Gasa/AbilitySystem/GasaEffectActor.cpp
index 2fc65af..f52d498 100644
--- a/Project/Source/Gasa/AbilitySystem/GasaEffectActor.cpp
+++ b/Project/Source/Gasa/AbilitySystem/GasaEffectActor.cpp
@@ -28,8 +28,90 @@ void AGasaEffectActor::ApplyEffectToActor(AActor* Actor, TSubclassOf<UGameplayEf
 
 void AGasaEffectActor::OnOverlap(AActor* Actor)
 {
+	UGasaAbilitySystemComp* AS = GetAbilitySystem(Actor, true);
+	FGameplayEffectContextHandle
+	Context = AS->MakeEffectContext();
+	Context.AddSourceObject(Actor);
+	
+	if (InstantEffectClass.Get())
+	{
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::ApplyOnOverlap))
+		{
+        	FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+        	AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnOverlap))
+		{
+        	AS->RemoveActiveGameplayEffectBySourceEffect( InstantEffectClass, AS );
+		}
+	}
+	if (DurationEffectClass.Get())
+	{
+		if (Bitfield_IsSet(DurationEffectUsage, (int32)EEffectUsagePolicy::ApplyOnOverlap))
+		{
+        	FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+        	AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnOverlap))
+		{
+        	AS->RemoveActiveGameplayEffectBySourceEffect( DurationEffectClass, AS );
+		}
+	}
+	if (InfiniteEffectClass.Get())
+	{
+		if (Bitfield_IsSet(InfiniteEffectUsage, (int32)EEffectUsagePolicy::ApplyOnOverlap))
+		{
+        	FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+        	AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnOverlap))
+		{
+			AS->RemoveActiveGameplayEffectBySourceEffect( InfiniteEffectClass, AS );
+		}
+	}
 }
 
 void AGasaEffectActor::OnEndOverlap(AActor* Actor)
 {
+	UGasaAbilitySystemComp* AS = GetAbilitySystem(Actor, true);
+	FGameplayEffectContextHandle
+	Context = AS->MakeEffectContext();
+	Context.AddSourceObject(Actor);
+	
+	if (InstantEffectClass.Get())
+	{
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::ApplyOnEndOverlap))
+		{
+			FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+			AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnEndOverlap))
+		{
+			AS->RemoveActiveGameplayEffectBySourceEffect( InstantEffectClass, AS );
+		}
+	}
+	if (DurationEffectClass.Get())
+	{
+		if (Bitfield_IsSet(DurationEffectUsage, (int32)EEffectUsagePolicy::ApplyOnEndOverlap))
+		{
+			FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+			AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnEndOverlap))
+		{
+			AS->RemoveActiveGameplayEffectBySourceEffect( DurationEffectClass, AS );
+		}
+	}
+	if (InfiniteEffectClass.Get())
+	{
+		if (Bitfield_IsSet(InfiniteEffectUsage, (int32)EEffectUsagePolicy::ApplyOnEndOverlap))
+		{
+			FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( InstantEffectClass, 1.0f, Context );
+			AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );	
+		}
+		if (Bitfield_IsSet(InstantEffectUsage, (int32)EEffectUsagePolicy::RemoveOnEndOverlap))
+		{
+			AS->RemoveActiveGameplayEffectBySourceEffect( InfiniteEffectClass, AS );
+		}
+	}
 }
diff --git a/Project/Source/Gasa/AbilitySystem/GasaEffectActor.h b/Project/Source/Gasa/AbilitySystem/GasaEffectActor.h
index 989992b..5976110 100644
--- a/Project/Source/Gasa/AbilitySystem/GasaEffectActor.h
+++ b/Project/Source/Gasa/AbilitySystem/GasaEffectActor.h
@@ -12,13 +12,11 @@ enum class EEffectUsagePolicy : uint8
 	None               = 0 UMETA(Hidden),
 	ApplyOnOverlap     = bit(0),
 	ApplyOnEndOverlap  = bit(1),
-	DoNotApply         = bit(2),
 	RemoveOnOverlap    = bit(3),
 	RemoveOnEndOverlap = bit(4),
-	DoNotRemove        = bit(5),
 };
 
-constexpr int32 DefaultEffectUsagePolicy = (int32(EEffectUsagePolicy::DoNotApply) | int32(EEffectUsagePolicy::RemoveOnEndOverlap));
+constexpr int32 DefaultEffectUsagePolicy = (int32(EEffectUsagePolicy::RemoveOnEndOverlap));
 
 UCLASS()
 class GASA_API AGasaEffectActor : public AGasaActor