95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
// Package server provide a minecraft server framework.
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// You can build the server you want by combining the various functional modules provided here.
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// An example can be found in examples/frameworkServer.
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//
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// # This package is under rapid development, and any API may be subject to break changes
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//
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// A server is roughly divided into two parts: Gate and GamePlay
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//
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// +------------------------------------------------------------------------------+
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// | Go-MC Server Framework |
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// |--------------------------------------+---------------------------------------|
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// | Gate | GamePlay |
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// |--------------------+-----------------+---------------+-----------------------|
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// | LoginHandler | ListPingHandler | Others.. |
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// |--------------------|------------+----+---------------|-----------------------+
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// | MojangLoginHandler | PingInfo | PlayerList | [go-mc/server], etc. |
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// +--------------------+------------+--------------------+-----------------------+
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//
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// Gate, which is used to respond to the client login request, provide login verification,
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// respond to the List Ping Request and providing the online players' information.
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//
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// Gameplay, which is used to handle all things after a player successfully logs in
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// (that is, after the LoginSuccess package is sent),
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// and is responsible for functions including player status, chunk management, keep alive, chat, etc.
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//
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// The implement of Gameplay is provided at [go-mc/server]. You can also write your version.
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//
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// [go-mc/server]: https://github.com/go-mc/server
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package server
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import (
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"errors"
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"log"
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"github.com/Tnze/go-mc/data/packetid"
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"github.com/Tnze/go-mc/net"
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pk "github.com/Tnze/go-mc/net/packet"
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)
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const (
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ProtocolName = "1.19.2"
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ProtocolVersion = 760
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)
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type Server struct {
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*log.Logger
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ListPingHandler
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LoginHandler
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GamePlay
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}
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func (s *Server) Listen(addr string) error {
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listener, err := net.ListenMC(addr)
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if err != nil {
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return err
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}
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for {
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conn, err := listener.Accept()
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if err != nil {
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return err
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}
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go s.AcceptConn(&conn)
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}
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}
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func (s *Server) AcceptConn(conn *net.Conn) {
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defer conn.Close()
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protocol, intention, err := s.handshake(conn)
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if err != nil {
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return
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}
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switch intention {
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case 1: // list ping
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s.acceptListPing(conn)
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case 2: // login
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name, id, profilePubKey, properties, err := s.AcceptLogin(conn, protocol)
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if err != nil {
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var loginErr *LoginFailErr
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if errors.As(err, &loginErr) {
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_ = conn.WritePacket(pk.Marshal(
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packetid.LoginDisconnect,
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loginErr.reason,
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))
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}
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if s.Logger != nil {
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s.Logger.Printf("client %v login error: %v", conn.Socket.RemoteAddr(), err)
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}
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return
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}
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s.AcceptPlayer(name, id, profilePubKey, properties, protocol, conn)
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}
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}
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