01新手村

1.ReplicationMode的具体含义

这玩意仍理不清，GE不复制给客户端AI意味着他们在客户端属性不变？那我要更新血条敌人怎么办

2.InitActorInfo的时机：

PS:我怎么记得AcknowledgePossession中的PlayerState就是有效的。
对玩家来说:

初始化前提：Controller,PlayerState,Character都有效。

服务器：Pawn的PossessedBy

客户端：OnRep_PlayerState中。

对NPC来说:

BeginPlay

void AAuraPlayer::PossessedBy(AController* NewController)
{
	Super::PossessedBy(NewController);
	SetupActorInfo();
}

void AAuraPlayer::OnRep_PlayerState()
{
	Super::OnRep_PlayerState();
	SetupActorInfo();
}

void AAuraPlayer::SetupActorInfo()
{
	if (AAuraPlayerState* AuraPS = GetPlayerState<AAuraPlayerState>())
	{
		AuraAttributeSet = AuraPS->GetAuraAttributeSet();
		AuraASC = Cast<UAuraAbilitySystemComponent>(AuraPS->GetAbilitySystemComponent());
		if (AuraASC)
		{
			AuraASC->InitAbilityActorInfo(GetController(),this);
		}		
	}
}

3.创建一个属性的样板代码

这玩意需要包含AbilitysystemComponent.h

#define ATTRIBUTE_ACCESSORS(ClassName, PropertyName) \
GAMEPLAYATTRIBUTE_PROPERTY_GETTER(ClassName, PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_GETTER(PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_SETTER(PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_INITTER(PropertyName)

	UPROPERTY(BlueprintReadOnly,ReplicatedUsing=OnRep_Health,Category="FirstAttribute")
	FGameplayAttributeData Health;
	UFUNCTION()
	void OnRep_Health(const FGameplayAttributeData& OldAttribute);
	ATTRIBUTE_ACCESSORS(ThisClass,Health);

	DOREPLIFETIME_CONDITION_NOTIFY(UAuraAttributeSet,Health,COND_None,REPNOTIFY_Always);

	GAMEPLAYATTRIBUTE_REPNOTIFY(ThisClass,Health,OldAttribute);