handle rooms that close after downloading the room list in the lobby

src/ship/packet/handler/lobby.rs

@@ -134,21 +134,26 @@ pub fn remove_from_lobby(id: ClientId,
 pub fn get_room_tab_info(id: ClientId,
                                 pkt: &MenuDetail,
                                 client_location: &mut ClientLocation,
-                                clients: &Clients)
+                                clients: &Clients,
+                                rooms: &mut Rooms)
                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let room_id = RoomId(pkt.item as usize);
-    let clients_in_room = client_location.get_clients_in_room(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
-    let mut room_info = String::new();
-    for client in clients_in_room {
-        let cs = clients.get(&client.client).ok_or(ShipError::ClientNotFound(client.client))?;
-        let gc = cs.user.guildcard;
-        let name = &cs.character.name;
-        let cls = cs.character.char_class;
-        let leveltable = CharacterLevelTable::default();
-        let lv = leveltable.get_level_from_exp(cls, cs.character.exp);
-        let floor = cs.area.unwrap_or(MapArea::Pioneer2Ep1);
+    if let Some(_room) = rooms.get(pkt.item as usize).ok_or(ShipError::InvalidRoom(pkt.item))? {
+        let mut room_info = String::new();
+        let clients_in_room = client_location.get_clients_in_room(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
+        for client in clients_in_room {
+            let cs = clients.get(&client.client).ok_or(ShipError::ClientNotFound(client.client))?;
+            let gc = cs.user.guildcard;
+            let name = &cs.character.name;
+            let cc = cs.character.char_class;
+            let leveltable = CharacterLevelTable::default();
+            let lv = leveltable.get_level_from_exp(cc, cs.character.exp);
+            let floor = cs.area.unwrap_or(MapArea::Pioneer2Ep1);
 
-        room_info += format!("{} Lv{} {}\n{} {}\n", gc,lv,name,cls,floor).as_str();
+            room_info += format!("{} Lv{} {}\n{} {}\n", gc,lv,name,cc,floor).as_str();
+        }
+        Ok(vec![(id, SendShipPacket::SmallLeftDialog(SmallLeftDialog::new(room_info)))])
+    } else  {
+        Ok(vec![(id, SendShipPacket::SmallLeftDialog(SmallLeftDialog::new("Game is no longer active".into())))])
     }
-    Ok(vec![(id, SendShipPacket::SmallLeftDialog(SmallLeftDialog::new(room_info)))])
 }

src/ship/packet/handler/room.rs

@@ -86,62 +86,66 @@ pub fn join_room(id: ClientId,
                  -> Result<Box<dyn Iterator<Item=(ClientId, SendShipPacket)> + Send>, ShipError> {
     let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
     let level = level_table.get_level_from_exp(client.character.char_class, client.character.exp);
-    let room = rooms.get(pkt.item as usize).ok_or(ShipError::InvalidRoom(pkt.item))?.as_ref().unwrap(); // clippy look what you made me do
+    // let room = rooms.get(pkt.item as usize).ok_or(ShipError::InvalidRoom(pkt.item))?.as_ref().unwrap(); // clippy look what you made me do
+    if let Some(room) = rooms.get(pkt.item as usize).ok_or(ShipError::InvalidRoom(pkt.item))? {
 
-    match room.mode.difficulty() {
-        room::Difficulty::Ultimate => {
-            if level < 80 {
-                return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 80 \nto join Ultimate rooms.".into())))].into_iter()))
-            }
-        },
-        room::Difficulty::VeryHard => {
-            if level < 40 {
-                return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 40 \nto join Very Hard rooms.".into())))].into_iter()))
-            }
-        },
-        room::Difficulty::Hard => {
-            if level < 20 {
-                return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 20 \nto join Hard rooms.".into())))].into_iter()))
-            }
-        },
-        _ => {},
-    };
+        match room.mode.difficulty() {
+            room::Difficulty::Ultimate => {
+                if level < 80 {
+                    return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 80 \nto join Ultimate rooms.".into())))].into_iter()))
+                }
+            },
+            room::Difficulty::VeryHard => {
+                if level < 40 {
+                    return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 40 \nto join Very Hard rooms.".into())))].into_iter()))
+                }
+            },
+            room::Difficulty::Hard => {
+                if level < 20 {
+                    return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 20 \nto join Hard rooms.".into())))].into_iter()))
+                }
+            },
+            _ => {},
+        };
 
-    let original_area = client_location.get_area(id).unwrap();
-    let original_neighbors = client_location.get_client_neighbors(id).unwrap();
-    if room.bursting {
-        return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("player is bursting\nplease wait".into())))].into_iter()))
+        let original_area = client_location.get_area(id).unwrap();
+        let original_neighbors = client_location.get_client_neighbors(id).unwrap();
+        if room.bursting {
+            return Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("player is bursting\nplease wait".into())))].into_iter()))
+        }
+        let room_id = RoomId(pkt.item as usize);
+        let original_room_clients = client_location.get_clients_in_room(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
+        client_location.add_client_to_room(id, room_id).unwrap(); // TODO: show room full error or whatever
+
+        let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
+        let area_client = client_location.get_local_client(id).map_err(|err| -> ClientLocationError { err.into() })?;
+
+        item_manager.add_character_to_room(room_id, &client.character, area_client);
+
+        let leader = client_location.get_room_leader(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
+        let join_room = builder::room::join_room(id, clients, client_location, room_id, room)?;
+        let add_to = builder::room::add_to_room(id, client, &area_client, &leader, item_manager, level_table, room_id)?;
+
+        let room = rooms.get_mut(room_id.0).unwrap().as_mut().unwrap();
+        room.bursting = true;
+
+        let mut result: Box<dyn Iterator<Item=(ClientId, SendShipPacket)> + Send> = Box::new(
+            vec![(id, SendShipPacket::JoinRoom(join_room))]
+                .into_iter()
+                .chain(original_room_clients.into_iter()
+                    .map(move |c| (c.client, SendShipPacket::AddToRoom(add_to.clone())))
+                ));
+
+        if let Ok(leader) = client_location.get_area_leader(original_area) {
+            let leave_lobby = SendShipPacket::LeaveLobby(LeaveLobby::new(area_client.local_client.id(), leader.local_client.id()));
+            result = Box::new(result.chain(original_neighbors.into_iter()
+                                        .map(move |c| (c.client, leave_lobby.clone()))))
+        }
+
+        Ok(result)
+    } else {
+        Ok(Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("Game is no longer active".into())))].into_iter()))
     }
-    let room_id = RoomId(pkt.item as usize);
-    let original_room_clients = client_location.get_clients_in_room(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
-    client_location.add_client_to_room(id, room_id).unwrap(); // TODO: show room full error or whatever
-
-    let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
-    let area_client = client_location.get_local_client(id).map_err(|err| -> ClientLocationError { err.into() })?;
-
-    item_manager.add_character_to_room(room_id, &client.character, area_client);
-
-    let leader = client_location.get_room_leader(room_id).map_err(|err| -> ClientLocationError { err.into() })?;
-    let join_room = builder::room::join_room(id, clients, client_location, room_id, room)?;
-    let add_to = builder::room::add_to_room(id, client, &area_client, &leader, item_manager, level_table, room_id)?;
-
-    let room = rooms.get_mut(room_id.0).unwrap().as_mut().unwrap();
-    room.bursting = true;
-
-    let mut result: Box<dyn Iterator<Item=(ClientId, SendShipPacket)> + Send> = Box::new(
-        vec![(id, SendShipPacket::JoinRoom(join_room))]
-            .into_iter()
-            .chain(original_room_clients.into_iter()
-                   .map(move |c| (c.client, SendShipPacket::AddToRoom(add_to.clone())))
-            ));
-
-    if let Ok(leader) = client_location.get_area_leader(original_area) {
-        let leave_lobby = SendShipPacket::LeaveLobby(LeaveLobby::new(area_client.local_client.id(), leader.local_client.id()));
-        result = Box::new(result.chain(original_neighbors.into_iter()
-                                       .map(move |c| (c.client, leave_lobby.clone()))))
-    }
-
-    Ok(result)
 }
 
 pub fn done_bursting(id: ClientId,

src/ship/ship.rs

@@ -640,7 +640,7 @@ impl<EG: EntityGateway> ServerState for ShipServerState<EG> {
             },
             RecvShipPacket::MenuDetail(menudetail) => {
                 let block = self.blocks.with_client(id, &self.clients)?;
-                Box::new(handler::lobby::get_room_tab_info(id, menudetail, &mut block.client_location, &mut self.clients)?.into_iter())
+                Box::new(handler::lobby::get_room_tab_info(id, menudetail, &mut block.client_location, &mut self.clients, &mut block.rooms)?.into_iter())
             },
             RecvShipPacket::RoomPasswordReq(room_password_req) => {
                 let block = self.blocks.with_client(id, &self.clients)?;