Introduce ScreenMap trait for caching screen-coord queries.

2013-09-21 13:39:39 +12:00
parent cad46e43c5
commit dfd51c0caa
24 changed files with 281 additions and 96 deletions
--- a/OpenRA.Game/Widgets/ViewportControllerWidget.cs
+++ b/OpenRA.Game/Widgets/ViewportControllerWidget.cs
@@ -103,8 +103,8 @@ namespace OpenRA.Widgets
 				return;
 			}

-			var underCursor = world.FindUnitsAtMouse(Viewport.LastMousePos)
-				.Where(a => a.HasTrait<IToolTip>())
+			var underCursor = world.ScreenMap.ActorsAt(Game.viewport.ViewToWorldPx(Viewport.LastMousePos))
+				.Where(a => !world.FogObscures(a) && a.HasTrait<IToolTip>())
 				.OrderByDescending(a => a.Info.SelectionPriority())
 				.FirstOrDefault();