Add a basic actor properties panel to the editor.

OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs

@@ -23,18 +23,30 @@ namespace OpenRA.Mods.Common.Traits
 {
 	public class EditorActorPreview
 	{
-		public readonly string Tooltip;
-		public readonly string ID;
+		public readonly string DescriptiveName;
 		public readonly ActorInfo Info;
-		public readonly PlayerReference Owner;
 		public readonly WPos CenterPosition;
 		public readonly IReadOnlyDictionary<CPos, SubCell> Footprint;
 		public readonly Rectangle Bounds;
+		public readonly SelectionBoxRenderable SelectionBox;
 
+		public string Tooltip
+		{
+			get
+			{
+				return (tooltip == null ? " < " + Info.Name + " >" : tooltip.Name) + "\n" + Owner.Name + " (" + Owner.Faction + ")"
+					+ "\nID: " + ID + "\nType: " + Info.Name;
+			}
+		}
+
+		public string ID { get; set; }
+		public PlayerReference Owner { get; set; }
 		public SubCell SubCell { get; private set; }
+		public bool Selected { get; set; }
 
 		readonly ActorReference actor;
 		readonly WorldRenderer worldRenderer;
+		readonly TooltipInfoBase tooltip;
 		IActorPreview[] previews;
 
 		public EditorActorPreview(WorldRenderer worldRenderer, string id, ActorReference actor, PlayerReference owner)
@@ -70,11 +82,10 @@ namespace OpenRA.Mods.Common.Traits
 				Footprint = new ReadOnlyDictionary<CPos, SubCell>(footprint);
 			}
 
-			var tooltip = Info.TraitInfos<EditorOnlyTooltipInfo>().FirstOrDefault(info => info.EnabledByDefault) as TooltipInfoBase
+			tooltip = Info.TraitInfos<EditorOnlyTooltipInfo>().FirstOrDefault(info => info.EnabledByDefault) as TooltipInfoBase
 				?? Info.TraitInfos<TooltipInfo>().FirstOrDefault(info => info.EnabledByDefault);
 
-			Tooltip = (tooltip == null ? " < " + Info.Name + " >" : tooltip.Name) + "\n" + owner.Name + " (" + owner.Faction + ")"
-				+ "\nID: " + ID + "\nType: " + Info.Name;
+			DescriptiveName = tooltip != null ? tooltip.Name : Info.Name;
 
 			GeneratePreviews();
 
@@ -88,6 +99,9 @@ namespace OpenRA.Mods.Common.Traits
 				foreach (var rr in r.Skip(1))
 					Bounds = Rectangle.Union(Bounds, rr);
 			}
+
+			SelectionBox = new SelectionBoxRenderable(new WPos(CenterPosition.X, CenterPosition.Y, 8192),
+				new Rectangle(Bounds.X, Bounds.Y, Bounds.Width, Bounds.Height), Color.White);
 		}
 
 		public void Tick()
@@ -98,7 +112,16 @@ namespace OpenRA.Mods.Common.Traits
 
 		public IEnumerable<IRenderable> Render()
 		{
-			return previews.SelectMany(p => p.Render(worldRenderer, CenterPosition));
+			var items = previews.SelectMany(p => p.Render(worldRenderer, CenterPosition));
+			if (Selected)
+			{
+				var highlight = worldRenderer.Palette("highlight");
+				var overlay = items.Where(r => !r.IsDecoration)
+					.Select(r => r.WithPalette(highlight));
+				return items.Concat(overlay).Append(SelectionBox);
+			}
+
+			return items;
 		}
 
 		public void ReplaceInit<T>(T init)