BABA_YAGA/Assets/Scripts/Network/PlayerDataManager.cs

using System;
using Fusion;
using UnityEngine;

// struct quản lý thông tin
public struct _PlayerMetaData : INetworkStruct
{
    public NetworkString<_16> Name;
    public _Role Role;
    public NetworkBool IsReady;
}

public class PlayerDataManager : NetworkBehaviour
{
    public static PlayerDataManager Instance { get; private set; }

    [Networked]
    public NetworkDictionary<PlayerRef, _PlayerMetaData> Players => default;

    [Networked]
    public PlayerRef Leader { get; set; }
    
    public event Action<PlayerRef, string> OnChatMessageReceived;

    public override void Spawned()
    {
        Instance = this;
        if (Object.HasStateAuthority)
        {
            Leader = Runner.LocalPlayer;
        }
    }

    public override void Despawned(NetworkRunner runner, bool hasState)
    {
        if (Instance == this) Instance = null;
    }

    [Rpc(RpcSources.All, RpcTargets.StateAuthority)]
    public void RPC_TransferLeader(PlayerRef newLeader)
    {
        if (Players.ContainsKey(newLeader))
        {
            Leader = newLeader;
        }
    }

    [Rpc(RpcSources.All, RpcTargets.StateAuthority)]
    public void RPC_UpdatePlayerMetaData(PlayerRef playerRef, _PlayerMetaData metaData)
    {
        if (Object == null || !Object.IsValid) return;
        Players.Set(playerRef, metaData);
    }

    [Rpc(RpcSources.All, RpcTargets.StateAuthority)]
    public void RPC_SetReady(PlayerRef playerRef, bool ready)
    {
        if (Object == null || !Object.IsValid) return;
        if (Players.TryGet(playerRef, out var data))
        {
            data.IsReady = ready;
            Players.Set(playerRef, data);
        }
    }

    [Rpc(RpcSources.All, RpcTargets.All)]
    public void RPC_SendChatMessage(PlayerRef sender, string message)
    {
        OnChatMessageReceived?.Invoke(sender, message);
    }
    
    public bool TryGetPlayerMetaData(PlayerRef playerRef, out _PlayerMetaData metaData)
    {
        metaData = default;
        // Kiểm tra xem object đã được Spawned chưa trước khi truy cập networked property
        if (Object == null || !Object.IsValid) return false;
        
        return Players.TryGet(playerRef, out metaData);
    }
}