Fix map information labels not being updated in certain cases

DXMainClient/DXGUI/Multiplayer/GameLobby/GameLobbyBase.cs

@@ -780,7 +780,7 @@
         protected void AddSideToDropDown(XNADropDown dd, string name, string? uiName = null, Texture2D? texture = null)
         {
             XNADropDownItem item = new()
             {
                 Text = uiName ?? name.L10N($"INI:Sides:{name}"),
                 Tag = name,
                 Texture = texture ?? LoadTextureOrNull(name + "icon.png"),
@@ -2086,33 +2086,43 @@
         }
 
         /// <summary>
-        /// Changes the current map and game mode.
+        /// Updates the map information labels such as name and author.
         /// </summary>
-        /// <param name="gameModeMap">The new game mode map.</param>
-        protected virtual void ChangeMap(GameModeMap gameModeMap)
+        protected virtual void SetMapLabels()
         {
-            GameModeMap = gameModeMap;
-
-            _ = UpdateLaunchGameButtonStatus();
-
             if (GameMode == null || Map == null)
             {
                 lblMapName.Text = "Map: Unknown".L10N("Client:Main:MapUnknown");
                 lblMapAuthor.Text = "By Unknown Author".L10N("Client:Main:AuthorByUnknown");
                 lblGameMode.Text = "Game mode: Unknown".L10N("Client:Main:GameModeUnknown");
                 lblMapSize.Text = "Size: Not available".L10N("Client:Main:MapSizeUnknown");
-
-                MapPreviewBox.GameModeMap = null;
-
-                OnGameOptionChanged();
-
                 return;
             }
 
             lblMapName.Text = "Map:".L10N("Client:Main:Map") + " " + Renderer.GetSafeString(Map.Name, lblMapName.FontIndex);
             lblMapAuthor.Text = "By".L10N("Client:Main:AuthorBy") + " " + Renderer.GetSafeString(Map.Author, lblMapAuthor.FontIndex);
             lblGameMode.Text = "Game mode:".L10N("Client:Main:GameModeLabel") + " " + GameMode.UIName;
             lblMapSize.Text = "Size:".L10N("Client:Main:MapSize") + " " + Map.GetSizeString();
+        }
+
+        /// <summary>
+        /// Changes the current map and game mode.
+        /// </summary>
+        /// <param name="gameModeMap">The new game mode map.</param>
+        protected virtual void ChangeMap(GameModeMap gameModeMap)
+        {
+            GameModeMap = gameModeMap;
+
+            _ = UpdateLaunchGameButtonStatus();
+
+            SetMapLabels();
+
+            if (GameMode == null || Map == null)
+            {
+                MapPreviewBox.GameModeMap = null;
+                OnGameOptionChanged();
+                return;
+            }
 
             disableGameOptionUpdateBroadcast = true;
 

DXMainClient/DXGUI/Multiplayer/GameLobby/MultiplayerGameLobby.cs

@@ -700,6 +700,8 @@ private void HideMapList()
             tbMapSearch.Disable();
             btnPickRandomMap.Disable();
             btnMapSortAlphabetically.Disable();
+
+            SetMapLabels();
         }
 
         private void ShowMapList()
@@ -728,6 +730,8 @@ private void ShowMapList()
             ReadINIForControl(lblGameMode);
             ReadINIForControl(lblMapSize);
             ReadINIForControl(btnMapSortAlphabetically);
+
+            SetMapLabels();
         }
 
         private void MapPreviewBox_LocalStartingLocationSelected(object sender, LocalStartingLocationEventArgs e)