add read+write position

This commit is contained in:
MeexReay 2025-05-03 19:03:52 +03:00
parent 6f2dc21d58
commit 50262ff1d7

View File

@ -1,4 +1,4 @@
use rust_mc_proto::{DataReader, DataWriter}; use rust_mc_proto::{DataReader, DataWriter, Packet};
use super::ServerError; use super::ServerError;
@ -9,3 +9,20 @@ pub trait ReadWriteNBT<T>: DataReader + DataWriter {
fn read_nbt(&mut self) -> Result<T, ServerError>; fn read_nbt(&mut self) -> Result<T, ServerError>;
fn write_nbt(&mut self, val: &T) -> Result<(), ServerError>; fn write_nbt(&mut self, val: &T) -> Result<(), ServerError>;
} }
pub trait ReadWritePosition: DataReader + DataWriter {
fn read_position(&mut self) -> Result<(i64, i64, i64), ServerError>;
fn write_position(&mut self, x: i64, y: i64, z: i64) -> Result<(), ServerError>;
}
impl ReadWritePosition for Packet {
fn read_position(&mut self) -> Result<(i64, i64, i64), ServerError> {
let val = self.read_long()?;
Ok((val >> 38, val << 52 >> 52, val << 26 >> 38))
}
fn write_position(&mut self, x: i64, y: i64, z: i64) -> Result<(), ServerError> {
Ok(self.write_long(((x & 0x3FFFFFF) << 38) | ((z & 0x3FFFFFF) << 12) | (y & 0xFFF))?)
}
}