2D 횡스크롤 멀티게임 만들기 - 처음부터 끝까지ㅣ포톤PUN2

리소스, 프로젝트 다운받기
https://drive.google.com/file/d/1z2QEv_nvPcrMxLofNHoX5n8NHv1tzjKq/view?usp=sharing



NetworkManager.cs 소스입니다


using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Photon.Pun;
using Photon.Realtime;
using UnityEngine.UI;

public class NetworkManager : MonoBehaviourPunCallbacks
{
    public InputField NickNameInput;
    public GameObject DisconnectPanel;
    public GameObject RespawnPanel;


    void Awake()
    {
        Screen.SetResolution(960, 540, false);
        PhotonNetwork.SendRate = 60;
        PhotonNetwork.SerializationRate = 30;
    }

    public void Connect() => PhotonNetwork.ConnectUsingSettings();

    public override void OnConnectedToMaster()
    {
        PhotonNetwork.LocalPlayer.NickName = NickNameInput.text;
        PhotonNetwork.JoinOrCreateRoom("Room", new RoomOptions { MaxPlayers = 6 }, null);
    }

    public override void OnJoinedRoom()
    {
        DisconnectPanel.SetActive(false);
        StartCoroutine("DestroyBullet");
        Spawn();
    }

    IEnumerator DestroyBullet()
    {
        yield return new WaitForSeconds(0.2f);
        foreach (GameObject GO in GameObject.FindGameObjectsWithTag("Bullet")) GO.GetComponent<PhotonView>().RPC("DestroyRPC", RpcTarget.All);
    }

    public void Spawn()
    {
        PhotonNetwork.Instantiate("Player", new Vector3(Random.Range(-6f, 19f), 4, 0), Quaternion.identity);
        RespawnPanel.SetActive(false);
    }

    void Update() { if (Input.GetKeyDown(KeyCode.Escape) && PhotonNetwork.IsConnected) PhotonNetwork.Disconnect(); }

    public override void OnDisconnected(DisconnectCause cause)
    {
        DisconnectPanel.SetActive(true);
        RespawnPanel.SetActive(false);
    }
}









PlayerScript.cs 소스입니다


using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Photon.Pun;
using Photon.Realtime;
using UnityEngine.UI;
using Cinemachine;

public class PlayerScript : MonoBehaviourPunCallbacks, IPunObservable
{
    public Rigidbody2D RB;
    public Animator AN;
    public SpriteRenderer SR;
    public PhotonView PV;
    public Text NickNameText;
    public Image HealthImage;

    bool isGround;
    Vector3 curPos;



    void Awake()
    {
        // 닉네임
        NickNameText.text = PV.IsMine ? PhotonNetwork.NickName : PV.Owner.NickName;
        NickNameText.color = PV.IsMine ? Color.green : Color.red;

        if (PV.IsMine)
        {
            // 2D 카메라
            var CM = GameObject.Find("CMCamera").GetComponent<CinemachineVirtualCamera>();
            CM.Follow = transform;
            CM.LookAt = transform;
        }
    }


    void Update()
    {
        if (PV.IsMine)
        {
            // ← → 이동
            float axis = Input.GetAxisRaw("Horizontal");
            RB.velocity = new Vector2(4 * axis, RB.velocity.y);

            if (axis != 0)
            {
                AN.SetBool("walk", true);
                PV.RPC("FlipXRPC", RpcTarget.AllBuffered, axis); // 재접속시 filpX를 동기화해주기 위해서 AllBuffered
            }
            else AN.SetBool("walk", false);


            // ↑ 점프, 바닥체크
            isGround = Physics2D.OverlapCircle((Vector2)transform.position + new Vector2(0, -0.5f), 0.07f, 1 << LayerMask.NameToLayer("Ground"));
            AN.SetBool("jump", !isGround);
            if (Input.GetKeyDown(KeyCode.UpArrow) && isGround) PV.RPC("JumpRPC", RpcTarget.All);


            // 스페이스 총알 발사
            if (Input.GetKeyDown(KeyCode.Space))
            {
                PhotonNetwork.Instantiate("Bullet", transform.position + new Vector3(SR.flipX ? -0.4f : 0.4f, -0.11f, 0), Quaternion.identity)
                    .GetComponent<PhotonView>().RPC("DirRPC", RpcTarget.All, SR.flipX ? -1 : 1);
                AN.SetTrigger("shot");
            }
        }
        // IsMine이 아닌 것들은 부드럽게 위치 동기화
        else if ((transform.position - curPos).sqrMagnitude >= 100) transform.position = curPos;
        else transform.position = Vector3.Lerp(transform.position, curPos, Time.deltaTime * 10);
    }


    [PunRPC]
    void FlipXRPC(float axis) => SR.flipX = axis == -1;

    [PunRPC]
    void JumpRPC()
    {
        RB.velocity = Vector2.zero;
        RB.AddForce(Vector2.up * 700);
    }

    public void Hit()
    {
        HealthImage.fillAmount -= 0.1f;
        if (HealthImage.fillAmount <= 0)
        {
            GameObject.Find("Canvas").transform.Find("RespawnPanel").gameObject.SetActive(true);
            PV.RPC("DestroyRPC", RpcTarget.AllBuffered); // AllBuffered로 해야 제대로 사라져 복제버그가 안 생긴다
        }
    }

    [PunRPC]
    void DestroyRPC() => Destroy(gameObject);


    public void OnPhotonSerializeView(PhotonStream stream, PhotonMessageInfo info)
    {
        if (stream.IsWriting)
        {
            stream.SendNext(transform.position);
            stream.SendNext(HealthImage.fillAmount);
        }
        else
        {
            curPos = (Vector3)stream.ReceiveNext();
            HealthImage.fillAmount = (float)stream.ReceiveNext();
        }
    }
}

BulletScript.cs 소스입니다

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using Photon.Pun;

using Photon.Realtime;

public class BulletScript : MonoBehaviourPunCallbacks

{

    public PhotonView PV;

    int dir;

    void Start() => Destroy(gameObject, 3.5f);

    void Update() => transform.Translate(Vector3.right * 7 * Time.deltaTime * dir);

    void OnTriggerEnter2D(Collider2D col) // col을 RPC의 매개변수로 넘겨줄 수 없다

    {

        if (col.tag == "Ground") PV.RPC("DestroyRPC", RpcTarget.AllBuffered);

        if (!PV.IsMine && col.tag == "Player" && col.GetComponent<PhotonView>().IsMine) // 느린쪽에 맞춰서 Hit판정

        {

            col.GetComponent<PlayerScript>().Hit();

            PV.RPC("DestroyRPC", RpcTarget.AllBuffered);

        }

    }

    [PunRPC]

    void DirRPC(int dir) => this.dir = dir;

    [PunRPC]

    void DestroyRPC() => Destroy(gameObject);

}