get player counts for room lists

src/ship/location.rs

@@ -292,4 +292,14 @@ impl ClientLocation {
             .map(|lobby| lobby.write().unwrap().remove(id))
             .any(|k| k);
     }
+
+    pub fn get_clients_in_room(&self, room_id: RoomId) -> u8 {
+        self.rooms[room_id.0].as_ref()
+        .unwrap()
+        .read()
+        .unwrap()
+        .clients()
+        .filter(|k| k.is_some())
+        .count() as u8
+    }
 }

src/ship/room.rs

@@ -127,10 +127,6 @@ pub struct RoomState {
     // drop_table
     // items on ground
     // enemy info
-    pub difficulty: u8,
-    pub players: u8,
-    pub episode: u8,
-    pub flags: u8,
 }
 
 impl RoomState {

src/ship/ship.rs

@@ -447,7 +447,7 @@ impl<EG: EntityGateway> ShipServerState<EG> {
                         menu_id: ROOM_MENU_ID,
                         item_id: i as u32,
                         difficulty: room.get_difficulty_for_room_list(),
-                        players: 0, // TODO
+                        players: self.client_location.get_clients_in_room(RoomId(i)), // TODO
                         name: libpso::utf8_to_utf16_array!(room.name, 16),
                         episode: room.get_episode_for_room_list(),
                         flags: room.get_flags_for_room_list(),