isolate packets

1 files changed, 46 insertions, 1 deletions

diff --git a/minecraft-protocol/src/packets/handshake/mod.rs b/minecraft-protocol/src/packets/handshake/mod.rs
index d2716299..792588b5 100644
--- a/minecraft-protocol/src/packets/handshake/mod.rs
+++ b/minecraft-protocol/src/packets/handshake/mod.rs
@@ -1,6 +1,51 @@
 pub mod client_intention_packet;
 
+use std::f32::consts::E;
+
+use async_trait::async_trait;
+use tokio::io::BufReader;
+
+use crate::connect::PacketFlow;
+
+use super::ProtocolPacket;
+
 #[derive(Clone, Debug)]
-pub enum HandshakePacket {
+pub enum HandshakePacket
+where
+    Self: Sized,
+{
     ClientIntentionPacket(client_intention_packet::ClientIntentionPacket),
 }
+
+#[async_trait]
+impl ProtocolPacket for HandshakePacket {
+    fn id(&self) -> u32 {
+        match self {
+            HandshakePacket::ClientIntentionPacket(_packet) => 0x00,
+        }
+    }
+
+    fn write(&self, buf: &mut Vec<u8>) {
+        match self {
+            HandshakePacket::ClientIntentionPacket(packet) => packet.write(buf),
+        }
+    }
+
+    /// Read a packet by its id, ConnectionProtocol, and flow
+    async fn read<T: tokio::io::AsyncRead + std::marker::Unpin + std::marker::Send>(
+        id: u32,
+        flow: &PacketFlow,
+        buf: &mut BufReader<T>,
+    ) -> Result<HandshakePacket, String>
+    where
+        Self: Sized,
+    {
+        match flow {
+            PacketFlow::ServerToClient => Err("HandshakePacket::read not implemented".to_string()),
+            PacketFlow::ClientToServer => match id {
+                0x00 => Ok(client_intention_packet::ClientIntentionPacket::read(buf).await?),
+                _ => Err(format!("Unknown ClientToServer status packet id: {}", id)),
+            },
+        }
+    }
+}