Split

1 files changed, 78 insertions, 0 deletions

diff --git a/src/connect.rs b/src/connect.rs
new file mode 100644
index 0000000..82590fb
--- /dev/null
+++ b/src/connect.rs
@@ -0,0 +1,78 @@
+use std::net::TcpStream;
+
+use anyhow::Result;
+use craftio_rs::{CraftSyncReader, CraftSyncWriter, CraftTcpConnection};
+use mcproto_rs::protocol::HasPacketKind;
+use mcproto_rs::v1_19_3::{Packet761, Packet761Kind, RawPacket761};
+
+#[macro_export]
+macro_rules! await_packet {
+    ($packet_type:ident, $conn:expr) => {
+        assert_packet!(
+            $packet_type,
+            $conn.wait_for_packet(Packet761Kind::$packet_type).await?
+        )
+    };
+}
+
+#[macro_export]
+macro_rules! assert_packet {
+    ($packet_type:ident, $obj:expr) => {
+        if let Packet761::$packet_type(packet_data) = $obj {
+            packet_data
+        } else {
+            panic!("Expected packet of type {}", stringify!($packet_type))
+        }
+    };
+    ($packet_type:ident, $conn:expr, $errmgs:literal) => {
+        assert_packet!(
+            $packet_type,
+            $conn
+                .read_next_packet()
+                .await?
+                .ok_or(anyhow::anyhow!("Missing packet"))?
+        )
+    };
+}
+
+pub struct MinecraftClient {
+    pub connection: CraftTcpConnection,
+}
+
+impl MinecraftClient {
+    pub fn new(connection: CraftTcpConnection) -> Self {
+        Self { connection }
+    }
+
+    pub fn from_stream(stream: TcpStream) -> Result<Self> {
+        Ok(Self {
+            connection: CraftTcpConnection::from_std(
+                stream,
+                mcproto_rs::protocol::PacketDirection::ServerBound,
+            )?,
+        })
+    }
+    pub async fn read_next_packet(&mut self) -> Result<Option<Packet761>> {
+        if let Some(raw) = self.connection.read_packet::<RawPacket761>()? {
+            println!("Client -> Server: {:?}", raw);
+            Ok(Some(raw))
+        } else {
+            Ok(None)
+        }
+    }
+    pub async fn send_packet(&mut self, packet: Packet761) -> Result<()> {
+        println!("Server -> Client: {:?}", packet);
+        self.connection.write_packet(packet)?;
+        Ok(())
+    }
+    pub async fn wait_for_packet(&mut self, packet_kind: Packet761Kind) -> Result<Packet761> {
+        loop {
+            if let Some(packet) = self.read_next_packet().await? {
+                if packet.kind() == packet_kind {
+                    return Ok(packet);
+                }
+                println!("Skipping packet {:?}", packet);
+            }
+        }
+    }
+}