start implementing joining servers

3 files changed, 76 insertions, 0 deletions

diff --git a/minecraft-protocol/src/packets/login/clientbound_hello_packet.rs b/minecraft-protocol/src/packets/login/clientbound_hello_packet.rs
new file mode 100644
index 00000000..878ca456
--- /dev/null
+++ b/minecraft-protocol/src/packets/login/clientbound_hello_packet.rs
@@ -0,0 +1,40 @@
+use async_trait::async_trait;
+use std::hash::Hash;
+use tokio::io::BufReader;
+
+use crate::{
+    mc_buf,
+    packets::{Packet, PacketTrait},
+};
+
+#[derive(Hash, Clone, Debug)]
+pub struct ClientboundHelloPacket {
+    pub server_id: String,
+    pub public_key: Vec<u8>,
+    pub nonce: Vec<u8>,
+}
+
+#[async_trait]
+impl PacketTrait for ClientboundHelloPacket {
+    fn get(self) -> Packet {
+        Packet::ClientboundHelloPacket(self)
+    }
+    fn write(&self, _buf: &mut Vec<u8>) {
+        panic!("ClientboundHelloPacket::write not implemented")
+    }
+
+    async fn read<T: tokio::io::AsyncRead + std::marker::Unpin + std::marker::Send>(
+        buf: &mut BufReader<T>,
+    ) -> Result<Packet, String> {
+        let server_id = mc_buf::read_utf_with_len(buf, 20).await?;
+        let public_key = mc_buf::read_byte_array(buf).await?;
+        let nonce = mc_buf::read_byte_array(buf).await?;
+
+        Ok(ClientboundHelloPacket {
+            server_id,
+            public_key,
+            nonce,
+        }
+        .get())
+    }
+}
diff --git a/minecraft-protocol/src/packets/login/mod.rs b/minecraft-protocol/src/packets/login/mod.rs
index 8b137891..47193f92 100644
--- a/minecraft-protocol/src/packets/login/mod.rs
+++ b/minecraft-protocol/src/packets/login/mod.rs
@@ -1 +1,8 @@
+pub mod clientbound_hello_packet;
+pub mod serverbound_hello_packet;
 
+#[derive(Clone, Debug)]
+pub enum LoginPacket {
+    ServerboundHelloPacket(serverbound_hello_packet::ServerboundHelloPacket),
+    ClientboundHelloPacket(clientbound_hello_packet::ClientboundHelloPacket),
+}
diff --git a/minecraft-protocol/src/packets/login/serverbound_hello_packet.rs b/minecraft-protocol/src/packets/login/serverbound_hello_packet.rs
new file mode 100644
index 00000000..cadf9f7b
--- /dev/null
+++ b/minecraft-protocol/src/packets/login/serverbound_hello_packet.rs
@@ -0,0 +1,29 @@
+use async_trait::async_trait;
+use std::hash::Hash;
+use tokio::io::BufReader;
+
+use crate::{
+    mc_buf,
+    packets::{Packet, PacketTrait},
+};
+
+#[derive(Hash, Clone, Debug)]
+pub struct ServerboundHelloPacket {
+    pub username: String,
+}
+
+#[async_trait]
+impl PacketTrait for ServerboundHelloPacket {
+    fn get(self) -> Packet {
+        Packet::ServerboundHelloPacket(self)
+    }
+    fn write(&self, buf: &mut Vec<u8>) {
+        mc_buf::write_utf(buf, &self.username);
+    }
+
+    async fn read<T: tokio::io::AsyncRead + std::marker::Unpin + std::marker::Send>(
+        _buf: &mut BufReader<T>,
+    ) -> Result<Packet, String> {
+        Err("ServerboundHelloPacket::read not implemented".to_string())
+    }
+}