Add Potion Effects Registry

Cargo.toml

@@ -22,3 +22,4 @@ serde_json = "1.0.132"
 # TODO: Make this easier to use
 kagami_macro = { path = "../../Code/kagami_macro" }
 uuid = { version = "1.11.0", features = ["v4"] }
+num_enum = "0.7.3"

src/minecraft/mod.rs

@@ -14,6 +14,7 @@ use crate::{
 };
 
 pub mod packets;
+pub mod registry;
 
 pub trait Packet: Serialize + Deserialize + Debug + Any + Send + Sync {
     fn deserialize_packet(bytes: &[u8]) -> io::Result<Self>

src/minecraft/registry/mod.rs

@@ -0,0 +1,3 @@
+mod potion_effects;
+
+pub use potion_effects::PotionEffects;

src/minecraft/registry/potion_effects.rs

@@ -0,0 +1,56 @@
+use num_enum::{IntoPrimitive, TryFromPrimitive};
+
+#[derive(Debug, Eq, PartialEq, TryFromPrimitive, IntoPrimitive, Copy, Clone)]
+#[repr(u8)]
+pub enum PotionEffects {
+    Speed = 1,
+    Slowness = 2,
+    Haste = 3,
+    MiningFatigue = 4,
+    Strength = 5,
+    InstantHealth = 6,
+    InstantDamage = 7,
+    JumpBoost = 8,
+    Nausea = 9,
+    Regeneration = 10,
+    Resistance = 11,
+    FireResistance = 12,
+    WaterBreathing = 13,
+    Invisibility = 14,
+    Blindness = 15,
+    NightVision = 16,
+    Hunger = 17,
+    Weakness = 18,
+    Poison = 19,
+    Wither = 20,
+    HealthBoost = 21,
+    Absorption = 22,
+    Saturation = 23,
+}
+
+use crate::serialization::Deserialize;
+use byteorder::ReadBytesExt;
+use std::io;
+
+impl Deserialize for PotionEffects {
+    fn deserialize<R: io::Read>(reader: &mut R) -> io::Result<Self> {
+        let byte = reader.read_u8()?;
+        match PotionEffects::try_from(byte) {
+            Ok(potion) => Ok(potion),
+            Err(_) => Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "Invalid potion effect",
+            )),
+        }
+    }
+}
+
+use crate::serialization::Serialize;
+use byteorder::WriteBytesExt;
+
+impl Serialize for PotionEffects {
+    fn serialize(&self, buf: &mut dyn std::io::Write) -> std::io::Result<()> {
+        let byte = u8::from(*self);
+        buf.write_u8(byte)
+    }
+}