Added HoldToInitCombat Actor Component for Manual Combat Init

Config/DefaultInput.ini

@@ -77,6 +77,7 @@ DoubleClickTime=0.200000
 +ActionMappings=(ActionName="Jump",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=Gamepad_FaceButton_Bottom)
 +ActionMappings=(ActionName="Jump",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=SpaceBar)
 +ActionMappings=(ActionName="Interact",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=E)
++ActionMappings=(ActionName="RightClick",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=RightMouseButton)
 +AxisMappings=(AxisName="Look Up / Down Gamepad",Scale=1.000000,Key=Gamepad_RightY)
 +AxisMappings=(AxisName="Look Up / Down Mouse",Scale=-1.000000,Key=MouseY)
 +AxisMappings=(AxisName="Move Forward / Backward",Scale=1.000000,Key=Gamepad_LeftY)

Source/the_twilight_abyss/TurnBasedCombatV2/HoldToInitCombat.cpp

@@ -0,0 +1,89 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "HoldToInitCombat.h"
+#include "TurnBaseCombatV2.h"
+#include "Blueprint/UserWidget.h"
+
+
+// Sets default values for this component's properties
+UHoldToInitCombat::UHoldToInitCombat()
+{
+	PrimaryComponentTick.bCanEverTick = true;
+	if (InitCombatWidgetClass == nullptr)
+	{
+		static ConstructorHelpers::FClassFinder<UUserWidget> HUDWidgetClass(TEXT("/Game/Blueprints/Combat_UI/CombatInit"));
+		InitCombatWidgetClass = HUDWidgetClass.Class;
+	}
+}
+
+
+// Called when the game starts
+void UHoldToInitCombat::BeginPlay()
+{
+	Super::BeginPlay();
+	InitCombatWidget = CreateWidget<UUserWidget>(GetWorld(), InitCombatWidgetClass);
+
+	UInputComponent* playerInputComponent = GetWorld()->GetFirstPlayerController()->InputComponent;
+	//Bind Right Mouse Button to the function OnRightClickDown
+	playerInputComponent->BindAction("RightClick", IE_Pressed, this, &UHoldToInitCombat::OnRightClickDown);
+	//Bind Right Mouse Button to the function OnRightClickUp
+	playerInputComponent->BindAction("RightClick", IE_Released, this, &UHoldToInitCombat::OnRightClickUp);
+}
+
+
+// Called every frame
+void UHoldToInitCombat::TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction)
+{
+	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
+
+	//If the player is holding down the right mouse button for 3 seconds, then the player will enter combat mode
+	if (bRightClickDown && RightClickDownTime < 3.0f)
+	{
+		RightClickDownTime += DeltaTime;
+	}
+	else if (bRightClickDown && RightClickDownTime >= 3.0f)
+	{
+		//Enter Combat Mode
+		Cast<ATurnBaseCombatV2>(GetWorld()->GetGameState())->StartCombat(TargetEnemy);
+		OnRightClickUp();
+	}
+}
+
+void UHoldToInitCombat::OnRightClickDown()
+{
+	if (AActor* RightClickHit = LookingAtEnemy(); RightClickHit != nullptr)
+	{
+		TargetEnemy = RightClickHit;
+		bRightClickDown = true;
+		InitCombatWidget->AddToViewport();
+	}
+}
+
+void UHoldToInitCombat::OnRightClickUp()
+{
+	bRightClickDown = false;
+	RightClickDownTime = 0.0f;
+	if (InitCombatWidget->IsInViewport())
+	{
+		InitCombatWidget->RemoveFromViewport();
+	}
+}
+
+AActor* UHoldToInitCombat::LookingAtEnemy() const
+{
+	FVector Start = GetOwner()->GetActorLocation();
+	FVector End = GetOwner()->GetActorForwardVector() * 3000.0f + Start;
+	FCollisionQueryParams CollisionParams;
+	CollisionParams.AddIgnoredActor(GetOwner());
+	if (FHitResult HitResult; GetWorld()->LineTraceSingleByChannel(HitResult, Start, End, ECC_Pawn, CollisionParams))
+	{
+		DrawDebugLine(GetWorld(), Start, End, FColor::Green, false, 5.0f, 0, 10.0f);
+		if (HitResult.GetActor()->Tags.Contains("Enemy"))
+		{
+			return HitResult.GetActor();
+		}
+	}
+	DrawDebugLine(GetWorld(), Start, End, FColor::Red, false, 5.0f, 0, 10.0f);
+	return nullptr;
+}

Source/the_twilight_abyss/TurnBasedCombatV2/HoldToInitCombat.h

@@ -0,0 +1,40 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Components/ActorComponent.h"
+#include "HoldToInitCombat.generated.h"
+
+
+UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
+class THE_TWILIGHT_ABYSS_API UHoldToInitCombat : public UActorComponent
+{
+	GENERATED_BODY()
+
+public:
+	// Sets default values for this component's properties
+	UHoldToInitCombat();
+	UPROPERTY()
+	UUserWidget* InitCombatWidget;
+	UPROPERTY()
+	TSubclassOf<UUserWidget> InitCombatWidgetClass;
+
+protected:
+	// Called when the game starts
+	virtual void BeginPlay() override;
+
+public:
+	// Called every frame
+	virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
+
+private:
+	void OnRightClickDown();
+	void OnRightClickUp();
+	bool bRightClickDown = false;
+	float RightClickDownTime = 0.0f;
+	
+	UFUNCTION()
+	AActor* LookingAtEnemy() const;
+	AActor* TargetEnemy = nullptr;
+};