// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Runtime/Engine/Classes/GameFramework/PlayerController.h"
#include "LookAtDetector.generated.h"

class AIntegrationGameModeBase;

/**
 * 
 */
UCLASS()
class INTEGRATION_API UlxLookAtActorBase : public UObject
{
	GENERATED_BODY()
	
public:
	UlxLookAtActorBase();
	~UlxLookAtActorBase() {};

	// Used by the IntegrationGameModeBase to trigger recalculation.
	UFUNCTION(BlueprintCallable, Category = "Luprex")
	void Update();
		
	// Used in blueprints to set the result object.
	UFUNCTION(BlueprintCallable, Category = "Luprex")
	void SetSelectedActor(AActor *actor) { CurrentSelectedActor = actor; }

	// Used to find out if the selection recently changed.
	UFUNCTION(BlueprintCallable, Category = "Luprex")
	bool SelectionChanged() { return (PreviousSelectedActor != CurrentSelectedActor); }
	
	// Defined in blueprints to do the actual recalculation.
	UFUNCTION(BlueprintImplementableEvent, Category = "Luprex")
	void Recalculate();

public:


public:
	// A pointer to an IntegrationGameModeBase.
	UPROPERTY(BlueprintReadOnly)
	AIntegrationGameModeBase *GameMode;

	// A pointer to an actor, the current character.
	UPROPERTY(BlueprintReadOnly)
	AActor *Player;
	
	// A pointer to the player controller.
	UPROPERTY(BlueprintReadOnly)
	APlayerController *PlayerController;

	// A pointer to the camera manager.
	UPROPERTY(BlueprintReadOnly)
	APlayerCameraManager *CameraManager;

	// The selected actor on the previous frame.
	UPROPERTY(BlueprintReadOnly)
	AActor *PreviousSelectedActor;

	// The selected actor on the current frame.
	UPROPERTY(BlueprintReadOnly)
	AActor *CurrentSelectedActor;

};