Move some Building traits and related elements to Mods.Common

OpenRA.Mods.Common/Traits/Buildings/Bib.cs

@@ -0,0 +1,77 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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 OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	public class BibInfo : ITraitInfo, Requires<BuildingInfo>, Requires<RenderSpritesInfo>
+	{
+		public readonly string Sequence = "bib";
+		public readonly string Palette = "terrain";
+		public readonly bool HasMinibib = false;
+
+		public object Create(ActorInitializer init) { return new Bib(init.self, this); }
+	}
+
+	public class Bib : INotifyAddedToWorld, INotifyRemovedFromWorld
+	{
+		readonly BibInfo info;
+		readonly RenderSprites rs;
+		readonly BuildingInfo bi;
+
+		public Bib(Actor self, BibInfo info)
+		{
+			this.info = info;
+			rs = self.Trait<RenderSprites>();
+			bi = self.Info.Traits.Get<BuildingInfo>();
+		}
+
+		public void AddedToWorld(Actor self)
+		{
+			var width = bi.Dimensions.X;
+			var bibOffset = bi.Dimensions.Y - 1;
+			var centerOffset = FootprintUtils.CenterOffset(self.World, bi);
+			var location = self.Location;
+			var rows = info.HasMinibib ? 1 : 2;
+			var map = self.World.Map;
+
+			for (var i = 0; i < rows * width; i++)
+			{
+				var index = i;
+				var anim = new Animation(self.World, rs.GetImage(self));
+				var cellOffset = new CVec(i % width, i / width + bibOffset);
+				var cell = location + cellOffset;
+
+				// Some mods may define terrain-specific bibs
+				var terrain = map.GetTerrainInfo(cell).Type;
+				var testSequence = info.Sequence + "-" + terrain;
+				var sequence = anim.HasSequence(testSequence) ? testSequence : info.Sequence;
+				anim.PlayFetchIndex(sequence, () => index);
+				anim.IsDecoration = true;
+
+				// Z-order is one set to the top of the footprint
+				var offset = self.World.Map.CenterOfCell(cell) - self.World.Map.CenterOfCell(location) - centerOffset;
+				var awo = new AnimationWithOffset(anim, () => offset, null, -(offset.Y + centerOffset.Y + 512));
+				rs.Add("bib_{0}".F(i), awo, info.Palette);
+			}
+		}
+
+		public void RemovedFromWorld(Actor self)
+		{
+			var width = bi.Dimensions.X;
+			var rows = info.HasMinibib ? 1 : 2;
+
+			for (var i = 0; i < rows * width; i++)
+				rs.Remove("bib_{0}".F(i));
+		}
+	}
+}