Remove BibLayer and use sequences / RenderSprites instead.

OpenRA.Mods.RA/Buildings/Bib.cs

@@ -0,0 +1,68 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 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.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Buildings
+{
+	public class BibInfo : ITraitInfo, Requires<BuildingInfo>, Requires<RenderSpritesInfo>
+	{
+		public readonly string Sequence = "bib";
+		public readonly string Palette = "terrain";
+
+		public object Create(ActorInitializer init) { return new Bib(init.self, this); }
+	}
+
+	public class Bib : IRender
+	{
+		readonly BibInfo info;
+		readonly List<AnimationWithOffset> tiles;
+
+		public Bib(Actor self, BibInfo info)
+		{
+			this.info = info;
+
+			var rs = self.Trait<RenderSprites>();
+			var building = self.Info.Traits.Get<BuildingInfo>();
+			var width = building.Dimensions.X;
+			var bibOffset = building.Dimensions.Y - 1;
+			var centerOffset = FootprintUtils.CenterOffset(building);
+
+			tiles = new List<AnimationWithOffset>();
+			for (var i = 0; i < 2*width; i++)
+			{
+				var index = i;
+				var anim = new Animation(rs.GetImage(self));
+				anim.PlayFetchIndex(info.Sequence, () => index);
+				anim.IsDecoration = true;
+
+				// Z-order is one set to the top of the footprint
+				var offset = new CVec(i % width, i / width + bibOffset).ToWVec() - centerOffset;
+				tiles.Add(new AnimationWithOffset(anim, () => offset, null, -(offset.Y + centerOffset.Y + 512)));
+			}
+		}
+
+		bool paletteInitialized;
+		PaletteReference palette;
+		public virtual IEnumerable<IRenderable> Render(Actor self, WorldRenderer wr)
+		{
+			if (!paletteInitialized)
+			{
+				palette = wr.Palette(info.Palette);
+				paletteInitialized = true;
+			}
+
+			return tiles.SelectMany(t => t.Render(self, wr, palette, 1f));
+		}
+	}
+}