unrealgame4/Source/ThirdPerson/Private/ThirdPersonCharacter.cpp

// All content (c) Shaun Reed 2021, all rights reserved


// Custom includes
#include "ThirdPersonCharacter.h"
#include "ActorSpawner.h"  // Fireball spawner object
#include "BallActor.h"  // Fireball object

// Engine includes
#include "Kismet/GameplayStatics.h" // For spawning fireball static mesh
#include "Camera/CameraComponent.h"
#include "GameFramework/SpringArmComponent.h"
#include "GameFramework/CharacterMovementComponent.h"


// Sets default values
AThirdPersonCharacter::AThirdPersonCharacter()
{
 	// Set this character to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
	// PrimaryActorTick.bCanEverTick = true;
	
	// Instantiate required components for the player character
	SpringArmComp = CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArmComp"));
	CameraComp = CreateDefaultSubobject<UCameraComponent>(TEXT("CameraComp"));


	// Set location and rotation of character mesh
	GetMesh()->SetRelativeLocationAndRotation(FVector(0.0f, 0.0f, 0.0f),
		FQuat(FRotator(0.0f, -90.0f, 0.0f)));
	
	// Set up character component hierarchy
	SpringArmComp->SetupAttachment(this->GetRootComponent()); // Attach spring arm to mesh
	CameraComp->SetupAttachment(SpringArmComp); // Attach camera to spring arm
	//CameraComp->SetRelativeLocation(0.0f, 0.0f, )

	// Initialize variables
	SpringArmComp->bUsePawnControlRotation = true;
	
	// Setup ACharacter class movement variables for desired movement
	GetCharacterMovement()->bOrientRotationToMovement = true;
	GetCharacterMovement()->bUseControllerDesiredRotation = true;
	GetCharacterMovement()->bIgnoreBaseRotation = true;
}

// Called when the game starts or when spawned
void AThirdPersonCharacter::BeginPlay()
{
	Super::BeginPlay();
	
}

void AThirdPersonCharacter::SpawnActors()
{
	AActor* ActorSpawnerToFind = UGameplayStatics::GetActorOfClass(GetWorld(), AActorSpawner::StaticClass());

	AActorSpawner* ActorSpawnerReference = Cast<AActorSpawner>(ActorSpawnerToFind);
	if (ActorSpawnerReference)
	{
		ActorSpawnerReference->SpawnActor();
	}
}

void AThirdPersonCharacter::DestroyActors()
{
	TArray<AActor*> FoundActors;
	UGameplayStatics::GetAllActorsOfClass(GetWorld(), ABallActor::StaticClass(), FoundActors);
	for (AActor* ActorFound : FoundActors)
	{
		ActorFound->Destroy();
	}

}

void AThirdPersonCharacter::MoveForward(float InputAxis)
{
	if ((Controller != nullptr) && (InputAxis != 0.0f))
	{
		// Find which direction is forward relative to the player's current rotation
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0.0f, Rotation.Yaw, 0.0f);
		
		// Get forward vector from YawRotation and apply movement from InputAxis
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);
		AddMovementInput(Direction, InputAxis);
	}
}

void AThirdPersonCharacter::MoveRight(float InputAxis)
{
	if ((Controller != nullptr) && (InputAxis != 0.0f))
	{
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0.0f, Rotation.Yaw, 0.0f);
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);
		AddMovementInput(Direction, InputAxis);
	}
}

void AThirdPersonCharacter::BeginSprint()
{
	GetCharacterMovement()->MaxWalkSpeed = 1000.0f;
}

void AThirdPersonCharacter::EndSprint()
{
	GetCharacterMovement()->MaxWalkSpeed = 600.0f;
}

void AThirdPersonCharacter::BeginCrouch()
{
	Crouch();
}

void AThirdPersonCharacter::EndCrouch()
{
	UnCrouch();
}

// Called every frame
void AThirdPersonCharacter::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

}

// Called to bind functionality to input
void AThirdPersonCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
	Super::SetupPlayerInputComponent(PlayerInputComponent);

	// Set up callbacks for project input configuration (Edit->Project Settings-Input)

	// Movement and camera control
	PlayerInputComponent->BindAxis("MoveForward", this, &AThirdPersonCharacter::MoveForward);
	PlayerInputComponent->BindAxis("MoveRight", this, &AThirdPersonCharacter::MoveRight);
	PlayerInputComponent->BindAxis("Turn", this, &AThirdPersonCharacter::AddControllerYawInput);
	PlayerInputComponent->BindAxis("TurnRate", this, &AThirdPersonCharacter::AddControllerYawInput);
	PlayerInputComponent->BindAxis("LookUp", this, &AThirdPersonCharacter::AddControllerPitchInput);
	PlayerInputComponent->BindAxis("LookUpRate", this, &AThirdPersonCharacter::AddControllerPitchInput);
	PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &ACharacter::Jump);
	PlayerInputComponent->BindAction("Jump", IE_Released, this, &ACharacter::StopJumping);
	PlayerInputComponent->BindAction("Crouch", IE_Pressed, this, &AThirdPersonCharacter::BeginCrouch);
	PlayerInputComponent->BindAction("Crouch", IE_Released, this, &AThirdPersonCharacter::EndCrouch);
	PlayerInputComponent->BindAction("Sprint", IE_Pressed, this, &AThirdPersonCharacter::BeginSprint);
	PlayerInputComponent->BindAction("Sprint", IE_Released, this, &AThirdPersonCharacter::EndSprint);

	// Player actions
	PlayerInputComponent->BindAction("SpawnActors", IE_Pressed, this, &AThirdPersonCharacter::SpawnActors);
	PlayerInputComponent->BindAction("DestroyActors", IE_Pressed, this, &AThirdPersonCharacter::DestroyActors);
}