From 9642558f8f8d983a7087f15d68be8cf07a85f0c2 Mon Sep 17 00:00:00 2001
From: mat <github@matdoes.dev>
Date: Wed, 15 Dec 2021 23:10:55 -0600
Subject: azalea

---
 azalea-protocol/src/packets/login/mod.rs | 63 ++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 azalea-protocol/src/packets/login/mod.rs

(limited to 'azalea-protocol/src/packets/login/mod.rs')

diff --git a/azalea-protocol/src/packets/login/mod.rs b/azalea-protocol/src/packets/login/mod.rs
new file mode 100644
index 00000000..f0ed6717
--- /dev/null
+++ b/azalea-protocol/src/packets/login/mod.rs
@@ -0,0 +1,63 @@
+pub mod clientbound_custom_query_packet;
+pub mod clientbound_hello_packet;
+pub mod serverbound_hello_packet;
+
+use async_trait::async_trait;
+use tokio::io::BufReader;
+
+use crate::connect::PacketFlow;
+
+use super::ProtocolPacket;
+
+#[derive(Clone, Debug)]
+pub enum LoginPacket
+where
+    Self: Sized,
+{
+    ClientboundCustomQueryPacket(clientbound_custom_query_packet::ClientboundCustomQueryPacket),
+    ServerboundHelloPacket(serverbound_hello_packet::ServerboundHelloPacket),
+    ClientboundHelloPacket(clientbound_hello_packet::ClientboundHelloPacket),
+}
+
+#[async_trait]
+impl ProtocolPacket for LoginPacket {
+    fn id(&self) -> u32 {
+        match self {
+            LoginPacket::ClientboundCustomQueryPacket(_packet) => 0x04,
+            LoginPacket::ServerboundHelloPacket(_packet) => 0x00,
+            LoginPacket::ClientboundHelloPacket(_packet) => 0x01,
+        }
+    }
+
+    fn write(&self, buf: &mut Vec<u8>) {
+        match self {
+            LoginPacket::ClientboundCustomQueryPacket(packet) => packet.write(buf),
+            LoginPacket::ServerboundHelloPacket(packet) => packet.write(buf),
+            LoginPacket::ClientboundHelloPacket(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<LoginPacket, String>
+    where
+        Self: Sized,
+    {
+        Ok(match flow {
+            PacketFlow::ServerToClient => match id {
+                0x01 => clientbound_hello_packet::ClientboundHelloPacket::read(buf).await?,
+                0x04 => {
+                    clientbound_custom_query_packet::ClientboundCustomQueryPacket::read(buf).await?
+                }
+                _ => return Err(format!("Unknown ServerToClient status packet id: {}", id)),
+            },
+            PacketFlow::ClientToServer => match id {
+                0x00 => serverbound_hello_packet::ServerboundHelloPacket::read(buf).await?,
+                _ => return Err(format!("Unknown ClientToServer status packet id: {}", id)),
+            },
+        })
+    }
+}
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