如何在新版mc发送命令？

[cxzlw]

如图所示

以下是我的代码，我试图登录服务器，但这不起作用

package main

import (
	"github.com/Tnze/go-mc/bot"
	"github.com/Tnze/go-mc/bot/basic"
	"github.com/Tnze/go-mc/bot/msg"
	"github.com/Tnze/go-mc/bot/playerlist"
	"github.com/Tnze/go-mc/chat"
	"log"
)

var client *bot.Client
var player *basic.Player
var chatHandler *msg.Manager
var playerList *playerlist.PlayerList

func main() {
	name := "Bot002"

	client = bot.NewClient()
	client.Auth.Name = name
	player = basic.NewPlayer(client, basic.DefaultSettings, basic.EventsListener{Death: onDeath, GameStart: onGamestart})
	playerList = playerlist.New(client)
	chatHandler = msg.New(client, player, playerList, msg.EventsHandler{
		SystemChat:        onSystemMsg,
		PlayerChatMessage: onPlayerMsg,
		DisguisedChat:     onDisguisedMsg,
	})
	//chatHandler = msg.New(client, player, playerList, msg.EventsHandler{})

	err := client.JoinServer("localhost:25565")
	if err != nil {
		log.Fatal(err)
	}

	log.Println("Login success")

	for {
		if err = client.HandleGame(); err != nil {
			log.Fatal(err)
		}
	}
}
func onSystemMsg(msg chat.Message, overlay bool) error {
	log.Printf("System: %v", msg)
	return nil
}

func onPlayerMsg(msg chat.Message, validated bool) error {
	log.Printf("Player: %s", msg)
	return nil
}

func onDisguisedMsg(msg chat.Message) error {
	log.Printf("Disguised: %v", msg)
	return nil
}

func onGamestart() error {
	if err := chatHandler.SendMessage("/register Password01 Password01"); err != nil {
		return err
	}
	if err := chatHandler.SendMessage("/login Password01"); err != nil {
		return err
	}
	return nil
}

func onDeath() error {
	err := player.Respawn()
	return err
}

[Tnze]

https://wiki.vg/Protocol#Chat_Command

[Tnze]

应该是要发送这个包，看看要不要添加到bot/msg里去。

[Tnze]

@patyhank 大佬肯定知道√

[cxzlw]

好的我去看看

[patyhank]

去翻Minecraft 反編譯代碼比較準 這個改很多次

[cxzlw]

我还没研究过，后面的Message Count和Acknowledged应该和SendMessage这里是一样的

go-mc/bot/msg/chat.go

Lines 171 to 173 in fd4a4bd

	sign.HistoryUpdate{
	Acknowledged: pk.NewFixedBitSet(20),
	},

不过也只是发了一个空的数据过去，还没有完全实现。
前面的Array of argument signatures……不懂，试试发个空数组试试，不行就只能逆向看看了。

空数组工作了，最后工作的代码是这样的

func sendCommand(cmd string) error {
	var salt int64
	if err := binary.Read(rand.Reader, binary.BigEndian, &salt); err != nil {
		return err
	}

	err := client.Conn.WritePacket(pk.Marshal(
		packetid.ServerboundChatCommand,
		pk.String(cmd),
		pk.Long(time.Now().UnixMilli()),
		pk.Long(salt),
		pk.VarInt(0), // signature
		pk.VarInt(0),
		pk.NewFixedBitSet(20),
	))
	return err
}

[cxzlw]

谢谢大佬们

[patyhank]

新版指令跟訊息的包分開來了
https://wiki.vg/Protocol#Chat_Command

[Tnze]

你慢了一步.jpg