InteractionChannel.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CK_UE.h"
#include "UObject/Object.h"
#include "InteractionChannel.generated.h"
 
 
class ACharacterBase;
class UInteractabilityComponent;
 
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnInteractionDelegate, const AActor*, Requester);
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnInteractionChannelEmpty);
 
 
UCLASS(Transient)
class CK_UE_API UInteractionChannel : public UObject
{
    GENERATED_BODY()
 
public:
    static UInteractionChannel* CreateChannel(ACharacterBase* Caller, UInteractabilityComponent* InteractabilityCompo);
 
public:
    void Initialize(ACharacterBase* InRequester);
    void RegisterInteractable(UInteractabilityComponent* Interactable);
    void UnregisterInteractable(UInteractabilityComponent* Interactable);
    void Close();
 
private:
    void RemoveInvalidInteractableActors();
 
public:
    FORCEINLINE ACharacterBase* GetRequester() const
    {
        return Requester.Get();
    }
 
    FORCEINLINE bool IsEmpty() const
    {
        return RegisteredInteractables.IsEmpty();
    }
 
    FORCEINLINE bool IsClosed() const
    {
        return bIsClosed;
    }
 
public:
    UPROPERTY(BlueprintAssignable, Category = "Interaction|Channel")
    FOnInteractionDelegate OnInteractableRegistered;
 
    UPROPERTY(BlueprintAssignable, Category = "Interaction|Channel")
    FOnInteractionDelegate OnInteractableUnregistered;
 
    UPROPERTY(BlueprintAssignable, Category = "Interaction|Channel")
    FOnInteractionChannelEmpty OnChannelEmpty;
 
private:
    bool bIsClosed = false;
 
    TWeakObjectPtr<ACharacterBase> Requester;
    TArray<TWeakObjectPtr<UInteractabilityComponent>> RegisteredInteractables;
};