[MMO 컨텐츠 구현] 2-5. 서버 연동: Packet Handler

Server

Packet Handler

• 클라이언트에서 전송한 패킷을 처리한다.

📄 PacketHandler.cs

using Google.Protobuf;
using Google.Protobuf.Protocol;
using Server;
using Server.Game;
using ServerCore;
using System;
using System.Collections.Generic;
using System.Text;

class PacketHandler
{
    public static void C_MoveHandler(PacketSession session, IMessage packet)
    {
        C_Move movePacket = packet as C_Move;
        ClientSession clientSession = session as ClientSession;

        Console.WriteLine($"C_Move ({movePacket.PosInfo.PosX}, {movePacket.PosInfo.PosY})");

        Player player = clientSession.MyPlayer;
        if (player == null)
            return;

        GameRoom room = player.Room;
        if (room == null)
            return;

        room.Push(room.HandleMove, player, movePacket);
    }

    public static void C_SkillHandler(PacketSession session, IMessage packet)
    {
        C_Skill skillPacket = packet as C_Skill;
        ClientSession clientSession = session as ClientSession;

        Player player = clientSession.MyPlayer;
        if (player == null)
            return;

        GameRoom room = player.Room;
        if (room == null)
            return;

        room.Push(room.HandleSkill, player, skillPacket);
    }
}

---

Client

Packet Handler

• 서버에서 전송한 패킷을 처리한다.

📄 PacketHandler.cs

using Google.Protobuf;
using Google.Protobuf.Protocol;
using ServerCore;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

class PacketHandler
{
    public static void S_EnterGameHandler(PacketSession session, IMessage packet)
    {
        S_EnterGame enterGamePacket = packet as S_EnterGame;
        Managers.Object.Add(enterGamePacket.Player, myPlayer: true);
    }

    public static void S_LeaveGameHandler(PacketSession session, IMessage packet)
    {
        S_LeaveGame leaveGameHandler = packet as S_LeaveGame;
        Managers.Object.Clear();
    }

    public static void S_SpawnHandler(PacketSession session, IMessage packet)
    {
        S_Spawn spawnPacket = packet as S_Spawn;
        foreach (ObjectInfo obj in spawnPacket.Objects)
        {
            Managers.Object.Add(obj, myPlayer: false);
        }
    }

    public static void S_DespawnHandler(PacketSession session, IMessage packet)
    {
        S_Despawn despawnPacket = packet as S_Despawn;
        foreach (int id in despawnPacket.ObjectIds)
        {
            Managers.Object.Remove(id);
        }
    }

    public static void S_MoveHandler(PacketSession session, IMessage packet)
    {
        S_Move movePacket = packet as S_Move;

        GameObject go = Managers.Object.FindById(movePacket.ObjectId);
        if (go == null)
            return;

        if (Managers.Object.MyPlayer.Id == movePacket.ObjectId)
            return;

        BaseController bc = go.GetComponent<BaseController>();
        if (bc == null)
            return;

        bc.PosInfo = movePacket.PosInfo;
    }

    public static void S_SkillHandler(PacketSession session, IMessage packet)
    {
        S_Skill skillPacket = packet as S_Skill;

        GameObject go = Managers.Object.FindById(skillPacket.ObjectId);
        if (go == null)
            return;

        CreatureController cc = go.GetComponent<CreatureController>();
        if (cc != null)
        {
            cc.UseSkill(skillPacket.Info.SkillId);
        }
    }

    public static void S_ChangeHpHandler(PacketSession session, IMessage packet)
    {
        S_ChangeHp changePacket = packet as S_ChangeHp;

        GameObject go = Managers.Object.FindById(changePacket.ObjectId);
        if (go == null)
            return;

        CreatureController cc = go.GetComponent<CreatureController>();
        if (cc != null)
        {
            cc.Hp = changePacket.Hp;
        }
    }

    public static void S_DieHandler(PacketSession session, IMessage packet)
    {
        S_Die diePacket = packet as S_Die;

        GameObject go = Managers.Object.FindById(diePacket.ObjectId);
        if (go == null)
            return;

        CreatureController cc = go.GetComponent<CreatureController>();
        if (cc != null)
        {
            cc.Hp = 0;
            cc.OnDead();
        }
    }
}