Start AFK and handle bad packets

Signed-off-by: jolheiser <john.olheiser@gmail.com>

main.go

@@ -4,11 +4,13 @@ import (
 	"bufio"
 	"flag"
 	"os"
+	"os/signal"
 	"strings"
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/bot/basic"
 	"github.com/Tnze/go-mc/chat"
+	_ "github.com/Tnze/go-mc/data/lang/en-us"
 	"github.com/Tnze/go-mc/data/packetid"
 	"github.com/Tnze/go-mc/net/packet"
 	"github.com/Tnze/go-mc/yggdrasil"
@@ -42,6 +44,7 @@ func main() {
 	}
 
 	client := bot.NewClient()
+	basic.NewPlayer(client, basic.DefaultSettings)
 
 	auth, err := yggdrasil.Authenticate(*emailFlag, *passwordFlag)
 	if err != nil {
@@ -57,31 +60,28 @@ func main() {
 	}
 	log.Info().Msg("Login success")
 
-	client.Events.AddListener(bot.PacketHandler{Priority: 64, ID: packetid.ClientboundKeepAlive, F: keepalive(client)})
 	basic.EventsListener{
+		GameStart: func() error {
+			sendChat(client, "/afk")
+			return nil
+		},
 		ChatMsg: onChatMsg,
 	}.Attach(client)
 
 	go onChatSend(client)
 
-	err = client.HandleGame()
-	if err != nil {
-		log.Fatal().Err(err).Msg("")
-	}
-}
-
-func keepalive(c *bot.Client) func(packet.Packet) error {
-	return func(pk packet.Packet) error {
-		log.Debug().Msg("keepalive")
-		var id packet.Long
-		if err := pk.Scan(&id); err != nil {
-			return err
+	go func() {
+		for {
+			err := client.HandleGame()
+			if err != nil {
+				log.Err(err).Msg("")
+			}
 		}
-		return c.Conn.WritePacket(packet.Marshal(
-			packetid.ServerboundKeepAlive,
-			id,
-		))
-	}
+	}()
+
+	ch := make(chan os.Signal, 1)
+	signal.Notify(ch, os.Interrupt, os.Kill)
+	<-ch
 }
 
 func onChatMsg(c chat.Message, _ byte, _ uuid.UUID) error {
@@ -96,11 +96,15 @@ func onChatSend(c *bot.Client) {
 		if strings.TrimSpace(msg) == "" {
 			continue
 		}
-		if err := c.Conn.WritePacket(packet.Marshal(
-			packetid.ServerboundChat,
-			packet.String(msg),
-		)); err != nil {
-			log.Err(err).Msg("")
-		}
+		sendChat(c, msg)
+	}
+}
+
+func sendChat(c *bot.Client, msg string) {
+	if err := c.Conn.WritePacket(packet.Marshal(
+		packetid.ServerboundChat,
+		packet.String(msg),
+	)); err != nil {
+		log.Err(err).Msg("")
 	}
 }