support multi handler for same packetID and handler priority.

bot/client.go

@@ -1,10 +1,11 @@
 package bot
 
 import (
+	"github.com/google/uuid"
+
 	"github.com/Tnze/go-mc/data/packetid"
 	"github.com/Tnze/go-mc/net"
 	"github.com/Tnze/go-mc/yggdrasil/user"
-	"github.com/google/uuid"
 )
 
 // Client is used to access Minecraft server
@@ -34,7 +35,7 @@ func (c *Client) Close() error {
 func NewClient() *Client {
 	return &Client{
 		Auth:   Auth{Name: "Steve"},
-		Events: Events{handlers: make(map[packetid.ClientboundPacketID]*handlerHeap)},
+		Events: Events{handlers: make([][]PacketHandler, packetid.ClientboundPacketIDGuard)},
 	}
 }