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#include "InputActionGameplayAbilityMappings.h"
#include "Abilities/GameplayAbility.h"
 
#pragma region FInputActionGameplayAbilityMappingData
 
bool FInputActionGameplayAbilityMappingData::IsValid() const
{
	return GameplayAbilityClass && InputAction && TriggerType != ETriggerEvent::None;
}
 
bool FInputActionGameplayAbilityMappingData::operator==(const FInputActionGameplayAbilityMappingData& Other) const
{
	return GameplayAbilityClass == Other.GameplayAbilityClass &&
		InputAction == Other.InputAction &&
		TriggerType == Other.TriggerType;
}
 
uint32 GetTypeHash(const FInputActionGameplayAbilityMappingData& Item)
{
	return HashCombine(
		HashCombine(GetTypeHash(Item.GameplayAbilityClass), GetTypeHash(Item.InputAction)),
		GetTypeHash(Item.TriggerType)
	);
}
 
#pragma endregion 
 
FInputActionGameplayAbilityMappingData* UInputActionGameplayAbilityMappings::GetMappingDataByGameplayAbilityClass(
	const TSubclassOf<UGameplayAbility>& TargetGameplayAbilityClass
) const
{
	auto MatchByClass = [&TargetGameplayAbilityClass](const FInputActionGameplayAbilityMappingData& MappingData)
	{
		return TargetGameplayAbilityClass.Get() == MappingData.GameplayAbilityClass.Get();
	};
 
	return Mappings.Array().FindByPredicate(MatchByClass);
}
 
#if WITH_EDITOR
void UInputActionGameplayAbilityMappings::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
{
	Super::PostEditChangeProperty(PropertyChangedEvent);
 
	const FProperty* Property = PropertyChangedEvent.Property;
	if (Property == nullptr ||
		Property->GetFName() != GET_MEMBER_NAME_CHECKED(UInputActionGameplayAbilityMappings, Mappings) ||
		Mappings.IsEmpty()) { return; }
 
	TArray<FInputActionGameplayAbilityMappingData> InputAbilitiesArray = Mappings.Array();
	Mappings.Reset();
 
	for (int32 Index = 0; Index < InputAbilitiesArray.Num(); ++Index)
	{
		FInputActionGameplayAbilityMappingData& Info = InputAbilitiesArray[Index];
		Info.InputID = Index;
		Mappings.Add(Info);
	}
}
#endif
InputActionGameplayAbilityMappings.cpp - Snippet hosted by \"Cacher\"
RAW
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