Add a button to reset lobby options to default.

OpenRA.Mods.Common/ServerTraits/LobbyCommands.cs

@@ -177,6 +177,7 @@ public class LobbyCommands : ServerTrait, IInterpretCommand, INotifyServerStart,
 			{ "slot_bot", SlotBot },
 			{ "map", Map },
 			{ "option", Option },
+			{ "reset_options", ResetOptions },
 			{ "assignteams", AssignTeams },
 			{ "kick", Kick },
 			{ "vote_kick", VoteKick },
@@ -744,6 +745,49 @@ static bool Option(S server, Connection conn, Session.Client client, string s)
 			}
 		}
 
+		static bool ResetOptions(S server, Connection conn, Session.Client client, string s)
+		{
+			lock (server.LobbyInfo)
+			{
+				if (!client.IsAdmin)
+				{
+					server.SendLocalizedMessageTo(conn, NotAdmin);
+					return true;
+				}
+
+				var allOptions = server.Map.PlayerActorInfo.TraitInfos<ILobbyOptions>()
+					.Concat(server.Map.WorldActorInfo.TraitInfos<ILobbyOptions>())
+					.SelectMany(t => t.LobbyOptions(server.Map));
+
+				var options = new Dictionary<string, Session.LobbyOptionState>();
+				foreach (var o in allOptions)
+				{
+					if (o.DefaultValue != server.LobbyInfo.GlobalSettings.LobbyOptions[o.Id].Value)
+						server.SendLocalizedMessage(ValueChanged, Translation.Arguments(
+							"player", client.Name,
+							"name", o.Name,
+							"value", o.Label(o.DefaultValue)));
+
+					options[o.Id] = new Session.LobbyOptionState
+					{
+						IsLocked = o.IsLocked,
+						Value = o.DefaultValue,
+						PreferredValue = o.DefaultValue
+					};
+				}
+
+				server.LobbyInfo.GlobalSettings.LobbyOptions = options;
+				server.SyncLobbyGlobalSettings();
+
+				foreach (var c in server.LobbyInfo.Clients)
+					c.State = Session.ClientState.NotReady;
+
+				server.SyncLobbyClients();
+
+				return true;
+			}
+		}
+
 		static bool AssignTeams(S server, Connection conn, Session.Client client, string raw)
 		{
 			lock (server.LobbyInfo)

OpenRA.Mods.Common/Widgets/Logic/Lobby/LobbyLogic.cs

@@ -103,6 +103,7 @@ enum PanelType { Players, Options, Music, Servers, Kick, ForceStart }
 		bool insufficientPlayerSpawns;
 		bool teamChat;
 		bool updateDiscordStatus = true;
+		bool resetOptionsButtonEnabled;
 		Dictionary<int, SpawnOccupant> spawnOccupants = new();
 
 		readonly string chatLineSound;
@@ -167,6 +168,7 @@ void OnConnect()
 			Game.LobbyInfoChanged += UpdatePlayerList;
 			Game.LobbyInfoChanged += UpdateDiscordStatus;
 			Game.LobbyInfoChanged += UpdateSpawnOccupants;
+			Game.LobbyInfoChanged += UpdateOptions;
 			Game.BeforeGameStart += OnGameStart;
 			Game.ConnectionStateChanged += ConnectionStateChanged;
 
@@ -263,7 +265,7 @@ void OnConnect()
 			var slotsButton = lobby.GetOrNull<DropDownButtonWidget>("SLOTS_DROPDOWNBUTTON");
 			if (slotsButton != null)
 			{
-				slotsButton.IsVisible = () => panel != PanelType.Servers;
+				slotsButton.IsVisible = () => panel != PanelType.Servers && panel != PanelType.Options;
 				slotsButton.IsDisabled = () => configurationDisabled() || panel != PanelType.Players ||
 					(orderManager.LobbyInfo.Slots.Values.All(s => !s.AllowBots) &&
 					!orderManager.LobbyInfo.Slots.Any(s => !s.Value.LockTeam && orderManager.LobbyInfo.ClientInSlot(s.Key) != null));
@@ -357,6 +359,14 @@ ScrollItemWidget SetupItem(DropDownOption option, ScrollItemWidget template)
 				};
 			}
 
+			var resetOptionsButton = lobby.GetOrNull<ButtonWidget>("RESET_OPTIONS_BUTTON");
+			if (resetOptionsButton != null)
+			{
+				resetOptionsButton.IsVisible = () => panel == PanelType.Options;
+				resetOptionsButton.IsDisabled = () => configurationDisabled() || !resetOptionsButtonEnabled;
+				resetOptionsButton.OnMouseDown = _ => orderManager.IssueOrder(Order.Command("reset_options"));
+			}
+
 			var optionsBin = Ui.LoadWidget("LOBBY_OPTIONS_BIN", lobby.Get("TOP_PANELS_ROOT"), new WidgetArgs()
 			{
 				{ "orderManager", orderManager },
@@ -910,6 +920,22 @@ void UpdateSpawnOccupants()
 				.ToDictionary(c => c.SpawnPoint, c => new SpawnOccupant(c));
 		}
 
+		void UpdateOptions()
+		{
+			if (map == null || map.WorldActorInfo == null)
+				return;
+
+			var serverOptions = orderManager.LobbyInfo.GlobalSettings.LobbyOptions;
+			var mapOptions = map.PlayerActorInfo.TraitInfos<ILobbyOptions>()
+				.Concat(map.WorldActorInfo.TraitInfos<ILobbyOptions>())
+				.SelectMany(t => t.LobbyOptions(map))
+				.Where(o => o.IsVisible)
+				.OrderBy(o => o.DisplayOrder)
+				.ToArray();
+
+			resetOptionsButtonEnabled = mapOptions.Any(o => o.DefaultValue != serverOptions[o.Id].Value);
+		}
+
 		void OnGameStart()
 		{
 			Ui.CloseWindow();

mods/cnc/chrome/lobby.yaml

@@ -34,6 +34,12 @@ Container@SERVER_LOBBY:
 					Width: 211
 					Height: 25
 					Text: dropdownbutton-bg-slots
+				Button@RESET_OPTIONS_BUTTON:
+					X: 15
+					Y: 254
+					Width: 211
+					Height: 25
+					Text: button-bg-reset-options
 				Container@SKIRMISH_TABS:
 					X: 697 - WIDTH
 					Width: 465

mods/cnc/languages/chrome/en.ftl

@@ -409,6 +409,7 @@ dropdownbutton-lobby-servers-bin-filters = Filter Games
 
 ## lobby.yaml
 dropdownbutton-bg-slots = Slot Admin
+button-bg-reset-options = Reset Defaults
 button-skirmish-tabs-players-tab = Players
 button-skirmish-tabs-options-tab = Options
 button-skirmish-tabs-music-tab = Music

mods/common/chrome/lobby.yaml

@@ -30,6 +30,13 @@ Background@SERVER_LOBBY:
 			Height: 25
 			Font: Bold
 			Text: dropdownbutton-server-lobby-slots
+		Button@RESET_OPTIONS_BUTTON:
+			X: 20
+			Y: 291
+			Width: 185
+			Height: 25
+			Font: Bold
+			Text: button-server-lobby-reset-options
 		Container@SKIRMISH_TABS:
 			X: 695 - WIDTH
 			Width: 486

mods/common/languages/chrome/en.ftl

@@ -260,6 +260,7 @@ label-notice-container-playtest-available = A preview of the next OpenRA release
 
 ## lobby.yaml
 dropdownbutton-server-lobby-slots = Slot Admin
+button-server-lobby-reset-options = Reset Defaults
 button-skirmish-tabs-players-tab = Players
 button-skirmish-tabs-options-tab = Options
 button-skirmish-tabs-music-tab = Music