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以下是一个基于Mirror的多人连接管理及房间系统的服务端实现方案，包含部署说明：

一、服务端架构设计

1. 网络管理扩展

using Mirror;
using UnityEngine;public class RoomNetworkManager : NetworkManager
{// 房间字典（房间ID -> 房间对象）public static Dictionary<string, Room> rooms = new Dictionary<string, Room>();public override void OnServerConnect(NetworkConnection conn){base.OnServerConnect(conn);Debug.Log($"客户端 {conn.connectionId} 已连接");}public override void OnServerDisconnect(NetworkConnection conn){// 处理玩家断开逻辑var player = conn.identity.GetComponent<NetworkPlayer>();if (player != null && player.CurrentRoom != null){player.CurrentRoom.RemovePlayer(player);}base.OnServerDisconnect(conn);Debug.Log($"客户端 {conn.connectionId} 已断开");}
}

1. 房间类实现

public class Room
{public string RoomID { get; } = Guid.NewGuid().ToString().Substring(0, 8);public string RoomName { get; set; }public int MaxPlayers { get; } = 4;public bool IsPlaying { get; set; }public List<NetworkPlayer> Players { get; } = new List<NetworkPlayer>();public NetworkPlayer Host => Players.FirstOrDefault();public bool AddPlayer(NetworkPlayer player){if (Players.Count >= MaxPlayers || IsPlaying) return false;Players.Add(player);player.CurrentRoom = this;player.RpcJoinRoomSuccess(RoomID);UpdateAllPlayers();return true;}public void RemovePlayer(NetworkPlayer player){Players.Remove(player);player.CurrentRoom = null;UpdateAllPlayers();if (Players.Count == 0){RoomNetworkManager.rooms.Remove(RoomID);}}private void UpdateAllPlayers(){foreach (var p in Players){p.RpcUpdateRoomInfo(GetRoomInfo());}}public RoomInfo GetRoomInfo() => new RoomInfo{roomId = RoomID,playerCount = Players.Count,hostName = Host?.PlayerName};
}

1. 玩家网络对象

public class NetworkPlayer : NetworkBehaviour
{[SyncVar] public string PlayerName;[SyncVar] public bool IsReady;public Room CurrentRoom;[Command]public void CmdCreateRoom(string roomName){Room newRoom = new Room { RoomName = roomName };RoomNetworkManager.rooms.Add(newRoom.RoomID, newRoom);newRoom.AddPlayer(this);}[Command]public void CmdJoinRoom(string roomId){if (RoomNetworkManager.rooms.TryGetValue(roomId, out Room room)){if (!room.AddPlayer(this)){TargetJoinRoomFailed("房间已满或游戏已开始");}}else{TargetJoinRoomFailed("房间不存在");}}[TargetRpc]public void TargetJoinRoomFailed(string reason) { /* 客户端处理 */ }[Command]public void CmdStartGame(){if (CurrentRoom.Host != this) return;CurrentRoom.IsPlaying = true;ServerChangeScene("GameScene");}
}

二、部署流程

1. 服务器构建

# 使用Headless模式构建Linux服务器
Unity.exe -batchmode -nographics -buildTarget Linux64 -buildPath ServerBuild -quit

1. 服务器配置

// NetworkManager配置
public class ServerConfig : MonoBehaviour
{void Start(){// 设置服务器参数Transport.activeTransport = GetComponent<TelepathyTransport>();GetComponent<RoomNetworkManager>().networkAddress = "0.0.0.0";GetComponent<RoomNetworkManager>().StartServer();}
}

1. **网络要求

• 开放端口：7777（默认TCP/UDP）

• 建议使用固定公网IP或DDNS

• 推荐服务器配置：

  • 最低：2核CPU / 4GB RAM（支持50人同时在线）

  • 推荐：4核CPU / 8GB RAM（支持200人同时在线）

三、客户端交互示例

1. 创建房间

public void CreateRoom(string roomName)
{NetworkClient.localPlayer.GetComponent<NetworkPlayer>().CmdCreateRoom(roomName);
}

1. 加入房间

public void JoinRoom(string roomId)
{NetworkClient.localPlayer.GetComponent<NetworkPlayer>().CmdJoinRoom(roomId);
}

四、优化建议

1. 心跳检测

// 添加心跳机制防止假连接
[System.Serializable]
public class HeartbeatConfig
{public float Interval = 5f;public float Timeout = 15f;
}

1. 房间清理

void CleanEmptyRooms()
{var emptyRooms = rooms.Values.Where(r => r.Players.Count == 0).ToList();foreach (var room in emptyRooms){rooms.Remove(room.RoomID);}
}

五、安全措施

1. 数据验证

[Command]
public void CmdSendChat(string message)
{// 防止注入攻击if (message.Length > 100) return;if (message.Contains("<script>")) return;RpcReceiveChat(PlayerName, message);
}

1. 频率限制

Dictionary<NetworkConnection, float> lastCommandTimes = new Dictionary<NetworkConnection, float>();bool CheckRateLimit(NetworkConnection conn)
{if (lastCommandTimes.TryGetValue(conn, out float lastTime)){if (Time.time - lastTime < 0.5f) return false;}lastCommandTimes[conn] = Time.time;return true;
}

该方案实现了完整的房间管理功能，支持：创建房间、自动房间ID生成、玩家数量限制、游戏状态管理、断线处理等核心功能。部署时需根据实际并发量调整服务器配置，建议配合数据库实现持久化存储。