Improve Animation Packet

src/minecraft/packets/play/server/animation.rs

@@ -2,9 +2,56 @@ use crate::minecraft::Packet;
 use crate::serialization::{deserialize_varint, serialize_varint};
 use kagami_macro::{packet, Deserialize, Packet, Serialize};
 
+use byteorder::{ReadBytesExt, WriteBytesExt};
+
 #[packet]
 pub struct Animation {
     #[encoding("varint")]
     pub entity_id: i32,
-    pub animation: u8,
+    pub animation: AnimationKind,
+}
+
+#[derive(Debug, PartialEq)]
+pub enum AnimationKind {
+    SwingArm,
+    TakeDamage,
+    LeaveBed,
+    Eat,
+    CriticalEffect,
+    MagicalCriticalEffect,
+}
+
+impl Deserialize for AnimationKind {
+    fn deserialize<R: std::io::Read>(reader: &mut R) -> std::io::Result<Self> {
+        use AnimationKind::*;
+
+        let action = reader.read_u8()?;
+        match action {
+            0 => Ok(SwingArm),
+            1 => Ok(TakeDamage),
+            2 => Ok(LeaveBed),
+            3 => Ok(Eat),
+            4 => Ok(CriticalEffect),
+            5 => Ok(MagicalCriticalEffect),
+            _ => Err(std::io::Error::new(
+                std::io::ErrorKind::InvalidData,
+                format!("Invalid animation kind : {action}"),
+            )),
+        }
+    }
+}
+
+impl Serialize for AnimationKind {
+    fn serialize(&self, buf: &mut dyn std::io::Write) -> std::io::Result<()> {
+        use AnimationKind::*;
+
+        match self {
+            SwingArm => buf.write_u8(0),
+            TakeDamage => buf.write_u8(1),
+            LeaveBed => buf.write_u8(2),
+            Eat => buf.write_u8(3),
+            CriticalEffect => buf.write_u8(4),
+            MagicalCriticalEffect => buf.write_u8(5),
+        }
+    }
 }