Update map selection dropdown disable logic

rust/src/game_manager.rs

@@ -89,15 +89,18 @@ impl GameManager {
 }
 
 pub struct GameOptions {
-    /// Wether anyone is allowed to change anyone's team, or just the host and
+    /// Whether anyone is allowed to change anyone's team, or just the host and
     /// the player itself.
     pub allow_any_team: bool,
+    // Whether anyone is allowed to change the map, or just the host.
+    pub allow_any_map: bool,
 }
 
 impl Default for GameOptions {
     fn default() -> Self {
         Self {
             allow_any_team: false,
+            allow_any_map: false,
         }
     }
 }

rust/src/ui/lobby.rs

@@ -4,7 +4,7 @@ use godot::{
 };
 
 use crate::{
-    game_manager::{Game, GameManager},
+    game_manager::{Game, GameManager, GameOptions},
     net::network_manager::{NetworkManager, Package, PeerKind},
     ui::player_listing::PlayerListing,
 };
@@ -68,14 +68,14 @@ impl IPanel for LobbyPanel {
                 for map in game.bind().maps.iter_shared() {
                     map_selection.add_item(&map.bind().name);
                 }
+                map_selection.select(0);
+            }
             let is_host = if let Some(peer) = &NetworkManager::singleton().bind().peer {
                 peer.is_host()
             } else {
                 false
             };
-                map_selection.set_disabled(!is_host);
-                map_selection.select(0);
-            }
+            self.on_game_opts_update(&game.bind().opts, is_host);
         }
         self.update_map_selection(0);
 
@@ -117,6 +117,12 @@ impl IPanel for LobbyPanel {
 }
 
 impl LobbyPanel {
+    fn on_game_opts_update(&mut self, opts: &GameOptions, is_host: bool) {
+        if let Some(selection) = &mut self.map_selection {
+            selection.set_disabled(!is_host && !opts.allow_any_map);
+        }
+    }
+
     fn update_ready_button(&mut self) {
         if let Some(game) = Game::singleton()
             && let Some(peer) = &NetworkManager::singleton().bind().peer