Pumpkin/pumpkin-protocol/src/position.rs
2024-08-17 20:40:06 +02:00

43 lines
1.3 KiB
Rust

use pumpkin_world::vector3::Vector3;
use serde::{Deserialize, Serialize};
pub struct WorldPosition(pub Vector3<i32>);
impl Serialize for WorldPosition {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let long = ((self.0.x as i64 & 0x3FFFFFF) << 38)
| ((self.0.z as i64 & 0x3FFFFFF) << 12)
| (self.0.y as i64 & 0xFFF);
serializer.serialize_i64(long)
}
}
impl<'de> Deserialize<'de> for WorldPosition {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
struct Visitor;
impl<'a> serde::de::Visitor<'a> for Visitor {
type Value = WorldPosition;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("An i64 int")
}
fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
Ok(WorldPosition(Vector3 {
x: (v >> 38) as i32,
y: (v << 52 >> 52) as i32,
z: (v << 26 >> 38) as i32,
}))
}
}
deserializer.deserialize_i64(Visitor)
}
}