Add support for mission groups.

OpenRA.Mods.RA/Widgets/Logic/MissionBrowserLogic.cs

@@ -33,7 +33,8 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			this.onStart = onStart;
 
 			var missionList = widget.Get<ScrollPanelWidget>("MISSION_LIST");
-			var template = widget.Get<ScrollItemWidget>("MISSION_TEMPLATE");
+			var headerTemplate = widget.Get<ScrollItemWidget>("HEADER");
+			var template = widget.Get<ScrollItemWidget>("TEMPLATE");
 
 			widget.Get("MISSION_INFO").IsVisible = () => selectedMapPreview != null;
 
@@ -46,13 +47,21 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 
 			var yaml = new MiniYaml(null, Game.modData.Manifest.Missions.Select(MiniYaml.FromFile).Aggregate(MiniYaml.MergeLiberal)).ToDictionary();
 
-			var missionMapPaths = yaml["Missions"].Nodes.Select(n => Platform.ResolvePath(n.Key));
+			missionList.RemoveChildren();
+
+			var selectedFirst = false;
+			foreach (var kv in yaml)
+			{
+				var header = ScrollItemWidget.Setup(headerTemplate, () => true, () => {});
+				header.Get<LabelWidget>("LABEL").GetText = () => kv.Key;
+				missionList.AddChild(header);
+
+				var missionMapPaths = kv.Value.Nodes.Select(n => Platform.ResolvePath(n.Key));
 
 				var maps = Game.modData.MapCache
 					.Where(p => p.Status == MapStatus.Available && missionMapPaths.Contains(Path.GetFullPath(p.Map.Path)))
 					.Select(p => p.Map);
 
-			missionList.RemoveChildren();
 				foreach (var m in maps)
 				{
 					var map = m;
@@ -64,10 +73,14 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 
 					item.Get<LabelWidget>("TITLE").GetText = () => map.Title;
 					missionList.AddChild(item);
-			}
 
-			if (maps.Any())
-				SelectMap(maps.First());
+					if (!selectedFirst)
+					{
+						SelectMap(map);
+						selectedFirst = true;
+					}
+				}
+			}
 
 			widget.Get<ButtonWidget>("STARTGAME_BUTTON").OnClick = StartMission;
 

mods/cnc/chrome/missionbrowser.yaml

@@ -23,7 +23,19 @@ Container@MISSIONBROWSER_PANEL:
 					Width: 260
 					Height: 330
 					Children:
-						ScrollItem@MISSION_TEMPLATE:
+						ScrollItem@HEADER:
+							Width: PARENT_RIGHT-27
+							Height: 13
+							X: 2
+							Y: 0
+							Visible: false
+							Children:
+								Label@LABEL:
+									Font: TinyBold
+									Width: PARENT_RIGHT
+									Height: 10
+									Align: Center
+						ScrollItem@TEMPLATE:
 							Width: PARENT_RIGHT-27
 							Height: 25
 							X: 2

mods/ra/chrome/missionbrowser.yaml

@@ -19,7 +19,20 @@ Background@MISSIONBROWSER_PANEL:
 			Width: 260
 			Height: 330
 			Children:
-				ScrollItem@MISSION_TEMPLATE:
+				ScrollItem@HEADER:
+					BaseName: scrollheader
+					Width: PARENT_RIGHT-27
+					Height: 13
+					X: 2
+					Y: 0
+					Visible: false
+					Children:
+						Label@LABEL:
+							Font: TinyBold
+							Width: PARENT_RIGHT
+							Height: 10
+							Align: Center
+				ScrollItem@TEMPLATE:
 					Width: PARENT_RIGHT-27
 					Height: 25
 					X: 2