🚧

Cargo.lock

@@ -521,6 +521,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "byteorder",
+ "bytes",
  "float-ord",
  "futures",
  "futures-util",

Cargo.toml

@@ -10,6 +10,7 @@ edition = "2018"
 
 anyhow = "1.0.36"
 byteorder = "1.3.2"
+bytes = "1.0.1"
 float-ord = "0.2.0"
 futures = "0.3.8"
 futures-util = "0.3.9"

src/bin/quic_server.rs

@@ -10,23 +10,23 @@ use opengl_rust::{
 	quinn_common::make_server_endpoint,
 };
 
+struct ConnectedPlayer {
+	connection: quinn::Connection,
+	cmd: NetworkCommand,
+	position: (f32, f32),
+}
+
 #[tokio::main]
 async fn main () -> anyhow::Result <()> {
 	let server_addr = "127.0.0.1:5000".parse().unwrap();
 	let (mut incoming, server_cert) = make_server_endpoint (server_addr)?;
+	tokio::fs::write ("quic_server.crt", &server_cert).await?;
 	
-    let state = NetworkedState {
-		positions: vec! [
-			(32.0, 32.0),
-		],
-	};
-	let state = Arc::new (Mutex::new (state));
-	// let connected_players = Arc::new (Mutex::new (vec! []));
+	let connected_players = Arc::new (Mutex::new (vec! []));
 	
-    // accept a single connection
-    let server_task = tokio::spawn (async move {
 	use opengl_rust::timestep::TimeStep;
 	
+	let mut player_seq = 0;
 	let incoming_conn = incoming.next ().await.unwrap ();
 	let new_conn = incoming_conn.await.unwrap ();
 	println! (
@@ -40,21 +40,32 @@ async fn main () -> anyhow::Result <()> {
 		..
 	} = new_conn;
 	
-		let mut i = 0_u64;
-		
-		let cmd = Arc::new (Mutex::new (NetworkCommand::default ()));
-		let cmd_2 = Arc::clone (&cmd);
+	{
+		let mut guard = connected_players.lock ().await;
+		guard.push (ConnectedPlayer {
+			connection,
+			cmd: NetworkCommand::default (),
+			position: (32.0, 32.0),
+		});
+	}
 	
 	// Read player commands
+	{
+		let player_seq = player_seq;
+		let connected_players = Arc::clone (&connected_players);
+		
 		tokio::spawn (async move {
 			while let Some (Ok (datagram)) = datagrams.next ().await {
 				let cmd: NetworkCommand = rmp_serde::from_slice (&datagram)?;
-				let mut guard = cmd_2.lock ().await;
-				*guard = cmd;
+				let mut guard = connected_players.lock ().await;
+				guard [player_seq].cmd = cmd;
 			}
 			
 			Ok::<_, anyhow::Error> (())
 		});
+	}
+	
+	player_seq += 1;
 	
 	let mut time_step = TimeStep::new (120, 1000);
 	let mut state = NetworkedState {
@@ -63,63 +74,53 @@ async fn main () -> anyhow::Result <()> {
 		],
 	};
 	
+	let mut i = 0_u64;
+	
 	loop {
-			let cmd = {
-				let guard = cmd.lock ().await;
-				guard.clone ()
-			};
 		let frames_to_do = time_step.step ();
+		
+		let state;
+		{
+			let mut guard = connected_players.lock ().await;
 			for _ in 0..frames_to_do {
 				let speed = 0.25;
+				
+				for player in &mut guard [..] {
+					let cmd = &player.cmd;
+					let mut pos = &mut player.position; 
+					
 					if cmd.left {
-					state.positions [0].0 -= speed;
+						pos.0 -= speed;
 					}
 					if cmd.right {
-					state.positions [0].0 += speed;
+						pos.0 += speed;
 					}
 					if cmd.up {
-					state.positions [0].1 += speed;
+						pos.1 += speed;
 					}
 					if cmd.down {
-					state.positions [0].1 -= speed;
+						pos.1 -= speed;
+					}
 				}
 			}
 			
-			let bytes = rmp_serde::to_vec (&state)?;
-			connection.send_datagram (bytes.into ())?;
+			state = NetworkedState {
+				positions: guard.iter ()
+				.map (|player| player.position)
+				.collect (),
+			};
+			
+			let bytes = bytes::Bytes::from (rmp_serde::to_vec (&state)?);
+			
+			for player in &guard [..] {
+				player.connection.send_datagram (bytes.clone ())?;
+			}
 			
 			i += 1;
+		}
+		
 		tokio::time::sleep (std::time::Duration::from_millis(16)).await;
 	}
 	
-        // Dropping all handles associated with a connection implicitly closes it
-        Ok::<_, anyhow::Error> (())
-    });
-    
-    tokio::fs::write ("quic_server.crt", &server_cert).await?;
-    
-	/*
-    let endpoint = make_client_endpoint("0.0.0.0:0".parse().unwrap(), &[&server_cert])?;
-    // connect to server
-    let quinn::NewConnection {
-        connection,
-        mut uni_streams,
-        ..
-    } = endpoint
-        .connect(&server_addr, "localhost")
-        .unwrap()
-        .await
-        .unwrap();
-    println!("[client] connected: addr={}", connection.remote_address());
-
-    // Waiting for a stream will complete with an error when the server closes the connection
-    let _ = uni_streams.next().await;
-
-    // Give the server has a chance to clean up
-    endpoint.wait_idle().await;
-	*/
-	
-	server_task.await??;
-	
     Ok(())
 }