From 50262ff1d7c93bf84ae637802298ffbf3ef6061d Mon Sep 17 00:00:00 2001
From: MeexReay <meexreay@gmail.com>
Date: Sat, 3 May 2025 19:03:52 +0300
Subject: [PATCH] add read+write position

---
 src/server/data/mod.rs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/server/data/mod.rs b/src/server/data/mod.rs
index 1e887b3..609cfbc 100644
--- a/src/server/data/mod.rs
+++ b/src/server/data/mod.rs
@@ -1,4 +1,4 @@
-use rust_mc_proto::{DataReader, DataWriter};
+use rust_mc_proto::{DataReader, DataWriter, Packet};
 
 use super::ServerError;
 
@@ -9,3 +9,20 @@ pub trait ReadWriteNBT<T>: DataReader + DataWriter {
     fn read_nbt(&mut self) -> Result<T, 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))?)
+    }
+}
+