Merge pull request #7457 from pchote/actorpreviews

Introduce ActorPreviewWidget (and other related changes).

OpenRA.Game/Widgets/SpriteSequenceWidget.cs

@@ -1,65 +0,0 @@
-#region Copyright & License Information
-/*
- * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
- * This file is part of OpenRA, which is free software. It is made
- * available to you under the terms of the GNU General Public License
- * as published by the Free Software Foundation. For more information,
- * see COPYING.
- */
-#endregion
-
-using System;
-using OpenRA.Graphics;
-
-namespace OpenRA.Widgets
-{
-	public class SpriteSequenceWidget : SpriteWidget
-	{
-		public string Unit = null;
-		public string Sequence = null;
-		public int Frame = 0;
-		public int Facing = 0;
-
-		public Func<Animation> GetAnimation;
-		public Func<int> GetFacing;
-
-		[ObjectCreator.UseCtor]
-		public SpriteSequenceWidget(WorldRenderer worldRenderer)
-			: base(worldRenderer)
-		{
-			GetAnimation = () => null;
-		}
-
-		public override void Initialize(WidgetArgs args)
-		{
-			base.Initialize(args);
-
-			if (Unit != null && Sequence != null)
-			{
-				var anim = new Animation(WorldRenderer.World, Unit, () => Facing);
-				anim.PlayFetchIndex(Sequence, () => Frame);
-				GetAnimation = () => anim;
-			}
-
-			GetSprite = () =>
-			{
-				var anim = GetAnimation();
-				return anim != null ? anim.Image : null;
-			};
-		}
-
-		protected SpriteSequenceWidget(SpriteSequenceWidget other)
-			: base(other)
-		{
-			Unit = other.Unit;
-			Sequence = other.Sequence;
-			Frame = other.Frame;
-			Facing = other.Facing;
-
-			GetAnimation = other.GetAnimation;
-			GetFacing = other.GetFacing;
-		}
-
-		public override Widget Clone() { return new SpriteSequenceWidget(this); }
-	}
-}

OpenRA.Game/Widgets/Widget.cs

@@ -72,6 +72,8 @@ namespace OpenRA.Widgets
 
 		public static void Tick() { Root.TickOuter(); }
 
+		public static void PrepareRenderables() { Root.PrepareRenderablesOuter(); }
+
 		public static void Draw() { Root.DrawOuter(); }
 
 		public static bool HandleInput(MouseInput mi)
@@ -387,6 +389,18 @@ namespace OpenRA.Widgets
 			return handled;
 		}
 
+		public virtual void PrepareRenderables() { }
+
+		public virtual void PrepareRenderablesOuter()
+		{
+			if (IsVisible())
+			{
+				PrepareRenderables();
+				foreach (var child in Children)
+					child.PrepareRenderablesOuter();
+			}
+		}
+
 		public virtual void Draw() { }
 
 		public virtual void DrawOuter()