Sorry SE, but endgame won't work if you don't fix something.

[TheRac25]

server polls your data every 0.3s

just a technicality but its the client sending pos update to the server not the server asking for one, you have the right thinking otherwise
this is sort of the same "mechanic", if you can call it that, in xi that allowed your utesemi casts to not be interupted after about 80-90%
xi server code says hello