GHZSDKXR/RokidSDK/com.rokid.ar.mrc/Runtime/Scripts/Network/Connection/NetworkGuid.cs

using System;
using Unity.Netcode;

//可用于同步的Guid值（客户端）
public class NetworkGuid : INetworkSerializable
{
    public ulong FirstHalf;
    public ulong SecondHalf;

    public void NetworkSerialize<T>(BufferSerializer<T> serializer) where T : IReaderWriter
    {
        serializer.SerializeValue(ref FirstHalf);
        serializer.SerializeValue(ref SecondHalf);
    }
}

public static class NetworkGuidExtensions
{
    public static NetworkGuid ToNetworkGuid(this Guid id)
    {
        var networkId = new NetworkGuid();
        networkId.FirstHalf = BitConverter.ToUInt64(id.ToByteArray(), 0);
        networkId.SecondHalf = BitConverter.ToUInt64(id.ToByteArray(), 8);
        return networkId;
    }

    public static Guid ToGuid(this NetworkGuid networkId)
    {
        var bytes = new byte[16];
        Buffer.BlockCopy(BitConverter.GetBytes(networkId.FirstHalf), 0, bytes, 0, 8);
        Buffer.BlockCopy(BitConverter.GetBytes(networkId.SecondHalf), 0, bytes, 8, 8);
        return new Guid(bytes);
    }
}