[UE] Multiplayer 1: Listen Server Testing, LAN Connection

프로젝트를 패키지하여 LAN으로 연결되는 기본 게임을 구현해본다. 컴퓨터의 IP 주소를 활용하여 제3자 컴퓨터가 접속하여 네트워크에 접속하여 참여한다.

 

 

목차

 

 

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Multiplayer 1: Listen Server Testing

 

 

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ThirdPersonCharacter

 

Event Graph

 

 

 

※ 자기 컴퓨터의 IP 주소 찾는법

 

 

Command Prompt에 ipconfig 입력 후 엔터

• IPv4 주소가 자기 컴퓨터의 IP 주소이다.

 

 

 

 

 

 

 

 

 

 

 

 

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프로젝트 패키지 하기 (Package Project)

 

 

 

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제3자 컴퓨터에서 LANTesting.exe 파일을 열어 접속한다.

 

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C++ 코드로 구현하기

 

 

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LANTestCharacter

 

LANTestCharacter.h

#pragma once
#include "CoreMinimal.h"
#include "GameFramework/Character.h"
#include "LANTestCharacter.generated.h"

UCLASS(config=Game)
class ALANTestCharacter : public ACharacter
{
	GENERATED_BODY()

	/** Camera boom positioning the camera behind the character */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Camera, meta = (AllowPrivateAccess = "true"))
	class USpringArmComponent* CameraBoom;

	/** Follow camera */
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Camera, meta = (AllowPrivateAccess = "true"))
	class UCameraComponent* FollowCamera;
public:
	ALANTestCharacter();

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Input)
	float TurnRateGamepad;

protected:
	void MoveForward(float Value);
	void MoveRight(float Value);

	void TurnAtRate(float Rate);
	void LookUpAtRate(float Rate);

	void TouchStarted(ETouchIndex::Type FingerIndex, FVector Location);
	void TouchStopped(ETouchIndex::Type FingerIndex, FVector Location);

protected:
	virtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;

public:
	FORCEINLINE class USpringArmComponent* GetCameraBoom() const { return CameraBoom; }
	FORCEINLINE class UCameraComponent* GetFollowCamera() const { return FollowCamera; }

	UFUNCTION(BlueprintCallable)
	void OpenLobby();

	UFUNCTION(BlueprintCallable)
	void CallOpenLevel(const FString& Address);

	UFUNCTION(BlueprintCallable)
	void CallClientTravel(const FString& Address);
};

 

 

 

 

LANTestCharacter.cpp

#include "LANTestCharacter.h"
#include "Camera/CameraComponent.h"
#include "Components/CapsuleComponent.h"
#include "Components/InputComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "GameFramework/Controller.h"
#include "GameFramework/SpringArmComponent.h"
#include "GameFramework/SpringArmComponent.h"
#include "Kismet/GameplayStatics.h"

ALANTestCharacter::ALANTestCharacter()
{
	// Set size for collision capsule
	GetCapsuleComponent()->InitCapsuleSize(42.f, 96.0f);

	// set our turn rate for input
	TurnRateGamepad = 50.f;

	// Don't rotate when the controller rotates. Let that just affect the camera.
	bUseControllerRotationPitch = false;
	bUseControllerRotationYaw = false;
	bUseControllerRotationRoll = false;

	// Configure character movement
	GetCharacterMovement()->bOrientRotationToMovement = true; // Character moves in the direction of input...	
	GetCharacterMovement()->RotationRate = FRotator(0.0f, 500.0f, 0.0f); // ...at this rotation rate

	// Note: For faster iteration times these variables, and many more, can be tweaked in the Character Blueprint
	// instead of recompiling to adjust them
	GetCharacterMovement()->JumpZVelocity = 700.f;
	GetCharacterMovement()->AirControl = 0.35f;
	GetCharacterMovement()->MaxWalkSpeed = 500.f;
	GetCharacterMovement()->MinAnalogWalkSpeed = 20.f;
	GetCharacterMovement()->BrakingDecelerationWalking = 2000.f;

	// Create a camera boom (pulls in towards the player if there is a collision)
	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
	CameraBoom->SetupAttachment(RootComponent);
	CameraBoom->TargetArmLength = 400.0f; // The camera follows at this distance behind the character	
	CameraBoom->bUsePawnControlRotation = true; // Rotate the arm based on the controller

	// Create a follow camera
	FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
	FollowCamera->SetupAttachment(CameraBoom, USpringArmComponent::SocketName); // Attach the camera to the end of the boom and let the boom adjust to match the controller orientation
	FollowCamera->bUsePawnControlRotation = false; // Camera does not rotate relative to arm

	// Note: The skeletal mesh and anim blueprint references on the Mesh component (inherited from Character) 
	// are set in the derived blueprint asset named ThirdPersonCharacter (to avoid direct content references in C++)
}

//////////////////////////////////////////////////////////////////////////
// Input

void ALANTestCharacter::SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent)
{
	// Set up gameplay key bindings
	check(PlayerInputComponent);
	PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &ACharacter::Jump);
	PlayerInputComponent->BindAction("Jump", IE_Released, this, &ACharacter::StopJumping);

	PlayerInputComponent->BindAxis("Move Forward / Backward", this, &ALANTestCharacter::MoveForward);
	PlayerInputComponent->BindAxis("Move Right / Left", this, &ALANTestCharacter::MoveRight);

	// We have 2 versions of the rotation bindings to handle different kinds of devices differently
	// "turn" handles devices that provide an absolute delta, such as a mouse.
	// "turnrate" is for devices that we choose to treat as a rate of change, such as an analog joystick
	PlayerInputComponent->BindAxis("Turn Right / Left Mouse", this, &APawn::AddControllerYawInput);
	PlayerInputComponent->BindAxis("Turn Right / Left Gamepad", this, &ALANTestCharacter::TurnAtRate);
	PlayerInputComponent->BindAxis("Look Up / Down Mouse", this, &APawn::AddControllerPitchInput);
	PlayerInputComponent->BindAxis("Look Up / Down Gamepad", this, &ALANTestCharacter::LookUpAtRate);

	// handle touch devices
	PlayerInputComponent->BindTouch(IE_Pressed, this, &ALANTestCharacter::TouchStarted);
	PlayerInputComponent->BindTouch(IE_Released, this, &ALANTestCharacter::TouchStopped);
}

void ALANTestCharacter::OpenLobby()
{
	UWorld* World = GetWorld();
	if (World)
	{
		World->ServerTravel("/Game/ThirdPerson/Maps/Lobby?listen");
	}
}

void ALANTestCharacter::CallOpenLevel(const FString& Address)
{
	UGameplayStatics::OpenLevel(this, *Address);
}

void ALANTestCharacter::CallClientTravel(const FString& Address)
{
	APlayerController* PlayerController = GetGameInstance()->GetFirstLocalPlayerController();
	if (PlayerController)
	{
		PlayerController->ClientTravel(Address, ETravelType::TRAVEL_Absolute);
	}
}

void ALANTestCharacter::TouchStarted(ETouchIndex::Type FingerIndex, FVector Location)
{
	Jump();
}

void ALANTestCharacter::TouchStopped(ETouchIndex::Type FingerIndex, FVector Location)
{
	StopJumping();
}

void ALANTestCharacter::TurnAtRate(float Rate)
{
	// calculate delta for this frame from the rate information
	AddControllerYawInput(Rate * TurnRateGamepad * GetWorld()->GetDeltaSeconds());
}

void ALANTestCharacter::LookUpAtRate(float Rate)
{
	// calculate delta for this frame from the rate information
	AddControllerPitchInput(Rate * TurnRateGamepad * GetWorld()->GetDeltaSeconds());
}

void ALANTestCharacter::MoveForward(float Value)
{
	if ((Controller != nullptr) && (Value != 0.0f))
	{
		// find out which way is forward
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0, Rotation.Yaw, 0);

		// get forward vector
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);
		AddMovementInput(Direction, Value);
	}
}

void ALANTestCharacter::MoveRight(float Value)
{
	if ( (Controller != nullptr) && (Value != 0.0f) )
	{
		// find out which way is right
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0, Rotation.Yaw, 0);
	
		// get right vector 
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);
		// add movement in that direction
		AddMovementInput(Direction, Value);
	}
}

 

 

 

E:/Unreal/UE5/LANTest/Content/ThirdPerson/Maps/Lobby.umap 이 복사한 File Path

World->ServerTravel("/Game/ThirdPerson/Maps/Lobby?listen");

 

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BP_ThirdPersonCharacter

 

Event Graph

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프로젝트 패키지 하기 (Package Project)

 

 

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