func Handler(session *session.Session, msg packets.Packet) {
// try to cast to an request
req, ok := msg.(*packet.Request)
if ok != true {
panic("BUG!!11!!1: failed cast to Request.. something is very messed up!")
}
// check protocol version.. it should either be 5(minecraft client) or 7(manic digger)
if req.ProtocolVersion == 5 {
// minecraft client
// TODO: add more handlers
} else if req.ProtocolVersion == 7 {
// manic digger client
} else {
// neither.... hmmmm... what to do now?
// for now lets just continue and pretend it didn't happen ok?
}
// check username... range is 1..42
if len(req.Username) < 1 || len(req.Username) > 42 {
// invalid username
// kick user
session.Kick("Invalid username! Name too short/long!")
// TODO: do something more useful here?
}
// TODO: make sure that the username doesn't contain invalid characters
// ID of the player is /world/players/$username
id := "/world/players/" + req.Username
// TODO: perform authentication
// get the EID of this ID
eid := session.EntityManager.GetEntityID(id)
// send response
// TODO: what does MapSeed do?
// TODO: support multiple dimensions
// FIXME: is it uint32 or just int32? do we care?
resp := &packet.Response{
EID: int32(eid),
MapSeed: 0,
Dimension: 0,
}
// now transmit the response
session.Transmit(resp)
}
func Handler(session *session.Session, msg packets.Packet) {
// try to cast to an Request
req, ok := msg.(*packet.Request)
if ok != true {
panic("BUG!!11!!1: failed cast to Request.. something is very messed up!")
}
// log handshake packet
log.Info("Got handshake<%s>", req.Username)
// answer handshake
res := &packet.Response{
Hash: "-",
}
// now add login handler
session.SetHandler(login_p.REQ_PID, login.Handler)
// FIXME: disable handshake?
session.Transmit(res)
}