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


#include "ShooterCharacter.h"

#include "Camera/CameraComponent.h"
#include "Engine/SkeletalMeshSocket.h"
#include "GameFramework/SpringArmComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "Kismet/GameplayStatics.h"
#include "Sound/SoundCue.h"

// Sets default values
AShooterCharacter::AShooterCharacter() :
	BaseTurnRate(45.f),
	BaseLookUpRate(45.f)
{
 	// 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;

	// Create a camera boom (pulls in towards the character if there is a collision)
	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
	CameraBoom->SetupAttachment(RootComponent);

	// The camera follows at this distance behind the character
	CameraBoom->TargetArmLength = 300.f;

	// Rotate the arm based on the controller
	CameraBoom->bUsePawnControlRotation = true;

	// Create a follow camera
	FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
	FollowCamera->SetupAttachment(CameraBoom, USpringArmComponent::SocketName);

	// Camera does not rotate relative to arm
	FollowCamera->bUsePawnControlRotation = false;

	// Don't rotate when the controller does. Let the controller only affect the camera.
	bUseControllerRotationPitch = false;
	bUseControllerRotationYaw = false;
	bUseControllerRotationRoll = false;

	GetCharacterMovement()->bOrientRotationToMovement = true; // Character moves in the direction of input....
	GetCharacterMovement()->RotationRate = FRotator(0.f, 540.f, 0.f); // ... at this rotation rate
	GetCharacterMovement()->JumpZVelocity = 600.f;
	GetCharacterMovement()->AirControl = 0.2f;
}

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

void AShooterCharacter::MoveForward(float Value)
{
	if (Controller && (Value != 0))
	{
		// Find out which way is forward
		const FRotator Rotation{ Controller->GetControlRotation() };
		const FRotator YawRotation{ 0, Rotation.Yaw, 0 };

		const FVector Direction{ FRotationMatrix{YawRotation}.GetUnitAxis(EAxis::X) };
		AddMovementInput(Direction, Value);
	}
}

void AShooterCharacter::MoveRight(float Value)
{
	if (Controller && (Value != 0))
	{
		// Find out which way is forward
		const FRotator Rotation{ Controller->GetControlRotation() };
		const FRotator YawRotation{ 0, Rotation.Yaw, 0 };

		const FVector Direction{ FRotationMatrix{YawRotation}.GetUnitAxis(EAxis::Y) };
		AddMovementInput(Direction, Value);
	}
}

void AShooterCharacter::TurnAtRate(float Rate)
{
	// Calculate delta for this frame from the rate information
	AddControllerYawInput(Rate * BaseTurnRate * GetWorld()->GetDeltaSeconds());	// def/sec * sec/frame
}

void AShooterCharacter::LookUpAtRate(float Rate)
{
	AddControllerPitchInput(Rate * BaseLookUpRate * GetWorld()->GetDeltaSeconds());	// def/sec * sec/frame
}

void AShooterCharacter::FireWeapon()
{
	if (FireSound)
	{
		UGameplayStatics::PlaySound2D(this, FireSound);
	}

	const USkeletalMeshSocket* BarrelSocket = GetMesh()->GetSocketByName("BarrelSocket");
	if (BarrelSocket)
	{
		const FTransform SocketTransform = BarrelSocket->GetSocketTransform(GetMesh());

		if (MuzzleFlash)
		{
			UGameplayStatics::SpawnEmitterAtLocation(GetWorld(), MuzzleFlash, SocketTransform);
		}
	}

	UAnimInstance* AnimInstance = GetMesh()->GetAnimInstance();

	if (AnimInstance && HipFireMontage)
	{
		AnimInstance->Montage_Play(HipFireMontage);
		AnimInstance->Montage_JumpToSection(FName("StartFire"));
	}
}

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

}

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

	PlayerInputComponent->BindAxis("MoveForward", this, &AShooterCharacter::MoveForward);
	PlayerInputComponent->BindAxis("MoveRight", this, &AShooterCharacter::MoveRight);
	PlayerInputComponent->BindAxis("TurnRate", this, &AShooterCharacter::TurnAtRate);
	PlayerInputComponent->BindAxis("LookUpRate", this, &AShooterCharacter::LookUpAtRate);
	PlayerInputComponent->BindAxis("Turn", this, &APawn::AddControllerYawInput);
	PlayerInputComponent->BindAxis("LookUp", this, &APawn::AddControllerPitchInput);

	PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &ACharacter::Jump);
	PlayerInputComponent->BindAction("Jump", IE_Released, this, &ACharacter::StopJumping);

	PlayerInputComponent->BindAction("FireButton", IE_Pressed, this, &AShooterCharacter::FireWeapon);
}