Add Clientbound Entity Metadata

pumpkin-protocol/src/client/play/c_entity_metadata.rs

@@ -0,0 +1,33 @@
+use pumpkin_macros::packet;
+use serde::Serialize;
+
+use crate::VarInt;
+
+#[derive(Serialize, Clone)]
+#[packet(0x58)]
+pub struct CSetEntityMetadata {
+    entity_id: VarInt,
+    metadata: Vec<Metadata>,
+}
+
+impl CSetEntityMetadata {
+    pub fn new(entity_id: VarInt, metadata: Vec<Metadata>) -> Self {
+        Self {
+            entity_id,
+            metadata,
+        }
+    }
+}
+
+#[derive(Serialize, Clone)]
+pub struct Metadata {
+    index: u8,
+    typ: VarInt,
+    value: u8,
+}
+
+impl Metadata {
+    pub fn new(index: u8, typ: VarInt, value: u8) -> Self {
+        Self { index, typ, value }
+    }
+}