blaster/Source/Blaster/Character/BlasterCharacter.cpp

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


#include "BlasterCharacter.h"

#include "Blaster/Components/CombatComponent.h"
#include "Blaster/Weapon/Weapon.h"
#include "Camera/CameraComponent.h"
#include "Components/CapsuleComponent.h"
#include "Components/WidgetComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "GameFramework/SpringArmComponent.h"
#include "Kismet/KismetMathLibrary.h"
#include "Net/UnrealNetwork.h"


ABlasterCharacter::ABlasterCharacter()
{
	PrimaryActorTick.bCanEverTick = true;

	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
	CameraBoom->SetupAttachment(GetMesh());
	CameraBoom->TargetArmLength = 600.f;
	CameraBoom->bUsePawnControlRotation = true;

	FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
	FollowCamera->SetupAttachment(CameraBoom, USpringArmComponent::SocketName);
	FollowCamera->bUsePawnControlRotation = false;

	bUseControllerRotationYaw = false;
	GetCharacterMovement()->bOrientRotationToMovement = true;

	OverheadWidget = CreateDefaultSubobject<UWidgetComponent>(TEXT("OverheadWidget"));
	OverheadWidget->SetupAttachment(RootComponent);

	Combat = CreateDefaultSubobject<UCombatComponent>(TEXT("CombatComponent"));
	Combat->SetIsReplicated(true);

	GetCharacterMovement()->NavAgentProps.bCanCrouch = true;
	GetCapsuleComponent()->SetCollisionResponseToChannel(ECollisionChannel::ECC_Camera, ECollisionResponse::ECR_Ignore);
	GetMesh()->SetCollisionResponseToChannel(ECollisionChannel::ECC_Camera, ECollisionResponse::ECR_Ignore);
}

void ABlasterCharacter::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
{
	Super::GetLifetimeReplicatedProps(OutLifetimeProps);

	DOREPLIFETIME_CONDITION(ABlasterCharacter, OverlappingWeapon, COND_OwnerOnly);
}

void ABlasterCharacter::PostInitializeComponents()
{
	Super::PostInitializeComponents();

	if (Combat)
	{
		Combat->Character = this;
	}
}

void ABlasterCharacter::BeginPlay()
{
	Super::BeginPlay();
}

void ABlasterCharacter::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

	AimOffset(DeltaTime);
}

void ABlasterCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
	Super::SetupPlayerInputComponent(PlayerInputComponent);

	PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &ACharacter::Jump);
	PlayerInputComponent->BindAction("Equip", IE_Pressed, this, &ABlasterCharacter::EquipButtonPressed);
	PlayerInputComponent->BindAction("Crouch", IE_Pressed, this, &ABlasterCharacter::CrouchButtonPressed);
	PlayerInputComponent->BindAction("Aim", IE_Pressed, this, &ABlasterCharacter::AimButtonPressed);
	PlayerInputComponent->BindAction("Aim", IE_Released, this, &ABlasterCharacter::AimButtonReleased);

	PlayerInputComponent->BindAxis("MoveForward", this, &ABlasterCharacter::MoveForward);
	PlayerInputComponent->BindAxis("MoveRight", this, &ABlasterCharacter::MoveRight);
	PlayerInputComponent->BindAxis("Turn", this, &ABlasterCharacter::Turn);
	PlayerInputComponent->BindAxis("LookUp", this, &ABlasterCharacter::LookUp);
}

void ABlasterCharacter::MoveForward(float Value)
{
	if (Controller != nullptr && Value != 0.f)
	{
		const FRotator YawRotation(0.f, Controller->GetControlRotation().Yaw, 0.f);
		const FVector Direction(FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X));

		AddMovementInput(Direction, Value);
	}
}

void ABlasterCharacter::MoveRight(float Value)
{
	if (Controller != nullptr && Value != 0.f)
	{
		const FRotator YawRotation(0.f, Controller->GetControlRotation().Yaw, 0.f);
		const FVector Direction(FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y));

		AddMovementInput(Direction, Value);
	}
}

void ABlasterCharacter::Turn(float Value)
{
	AddControllerYawInput(Value);
}

void ABlasterCharacter::LookUp(float Value)
{
	AddControllerPitchInput(Value);
}

void ABlasterCharacter::EquipButtonPressed()
{
	if (Combat)
	{
		if (HasAuthority())
		{
			Combat->EquipWeapon(OverlappingWeapon);
		}
		else
		{
			ServerEquipButtonPressed();
		}
	}
}

void ABlasterCharacter::CrouchButtonPressed()
{
	if (bIsCrouched)
	{
		UnCrouch();
	}
	else
	{
		Crouch();
	}
}

void ABlasterCharacter::AimButtonPressed()
{
	if (Combat)
	{
		Combat->SetAiming(true);
	}
}

void ABlasterCharacter::AimButtonReleased()
{
	if (Combat)
	{
		Combat->SetAiming(false);
	}
}

void ABlasterCharacter::AimOffset(float DeltaTime)
{
	if (Combat && Combat->EquippedWeapon == nullptr) return;
	
	FVector Velocity = GetVelocity();
	Velocity.Z = 0.f;
	float Speed = Velocity.Size();
	bool bIsInAir = GetCharacterMovement()->IsFalling();

	if (Speed == 0.f && !bIsInAir) // Standing still, not jumping
	{
		FRotator CurrentAimRotation = FRotator(0.f, GetBaseAimRotation().Yaw, 0.f);
		FRotator DeltaAimRotation = UKismetMathLibrary::NormalizedDeltaRotator(CurrentAimRotation, StartingAimRotation);
		AO_Yaw = DeltaAimRotation.Yaw;
		bUseControllerRotationYaw = false;
	}
	if (Speed > 0.f || bIsInAir) // Running or jumping
	{
		StartingAimRotation = FRotator(0.f, GetBaseAimRotation().Yaw, 0.f);
		AO_Yaw = 0.f;
		bUseControllerRotationYaw = true;
	}

	AO_Pitch = GetBaseAimRotation().Pitch;

	// Fix pitch/yaw compression
	if (AO_Pitch > 90.f && !IsLocallyControlled())
	{
		// map pitch from [270, 360) to [-90, 0)
		FVector2d InRange(270.f, 360.f);
		FVector2d OutRange(-90.f, 0.f);
		AO_Pitch = FMath::GetMappedRangeValueClamped(InRange, OutRange, AO_Pitch);
	}
}

void ABlasterCharacter::ServerEquipButtonPressed_Implementation()
{
	EquipButtonPressed();
}

void ABlasterCharacter::SetOverlappingWeapon(AWeapon* Weapon)
{
	if (OverlappingWeapon)
	{
		OverlappingWeapon->ShowPickupWidget(false);
	}

	OverlappingWeapon = Weapon;
	if (IsLocallyControlled())
	{
		if (OverlappingWeapon)
		{
			OverlappingWeapon->ShowPickupWidget(true);
		}
	}
}

bool ABlasterCharacter::IsWeaponEquipped()
{
	return Combat && Combat->EquippedWeapon;
}

bool ABlasterCharacter::IsAiming()
{
	return Combat && Combat->bAiming;
}

void ABlasterCharacter::OnRep_OverlappingWeapon(AWeapon* LastWeapon)
{
	if (OverlappingWeapon)
	{
		OverlappingWeapon->ShowPickupWidget(true);
	}
	if (LastWeapon)
	{
		LastWeapon->ShowPickupWidget(false);
	}
}