add the starport active animation

OpenRA.Mods.D2k/OpenRA.Mods.D2k.csproj

@@ -90,6 +90,7 @@
     <Compile Include="Render\WithBuildingPlacedOverlayInfo.cs" />
     <Compile Include="Render\WithProductionOverlay.cs" />
     <Compile Include="Render\WithDockingOverlay.cs" />
+    <Compile Include="Render\WithDeliveryOverlay.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>

OpenRA.Mods.D2k/Render/WithDeliveryOverlay.cs

@@ -0,0 +1,74 @@
+#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.Effects;
+using OpenRA.FileFormats;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+using OpenRA.Mods.RA.Buildings;
+
+namespace OpenRA.Mods.RA.Render
+{
+	public class WithDeliveryOverlayInfo : ITraitInfo, Requires<RenderSpritesInfo>, Requires<IBodyOrientationInfo>
+	{
+		[Desc("Sequence name to use")]
+		public readonly string Sequence = "active";
+
+		[Desc("Position relative to body")]
+		public readonly WVec Offset = WVec.Zero;
+
+		public object Create(ActorInitializer init) { return new WithDeliveryOverlay(init.self, this); }
+	}
+
+	public class WithDeliveryOverlay : INotifyBuildComplete, INotifySold, INotifyDelivery
+	{
+		WithDeliveryOverlayInfo info;
+		Animation overlay;
+		bool buildComplete, delivering;
+
+		public WithDeliveryOverlay(Actor self, WithDeliveryOverlayInfo info)
+		{
+			this.info = info;
+
+			var rs = self.Trait<RenderSprites>();
+			var body = self.Trait<IBodyOrientation>();
+
+			buildComplete = !self.HasTrait<Building>(); // always render instantly for units
+
+			overlay = new Animation(self.World, rs.GetImage(self));
+			overlay.Play(info.Sequence);
+			rs.anims.Add("delivery_overlay_{0}".F(info.Sequence),
+				new AnimationWithOffset(overlay,
+					() => body.LocalToWorld(info.Offset.Rotate(body.QuantizeOrientation(self, self.Orientation))),
+					() => !buildComplete));
+		}
+
+		void PlayDeliveryOverlay()
+		{
+			if (delivering)
+				overlay.PlayThen(info.Sequence, PlayDeliveryOverlay);
+		}
+
+		public void BuildingComplete(Actor self)
+		{
+			self.World.AddFrameEndTask(w => w.Add(new DelayedAction(120, () =>
+				buildComplete = true)));
+		}
+
+		public void Sold(Actor self) { }
+		public void Selling(Actor self)
+		{
+			buildComplete = false;
+		}
+
+		public void IncomingDelivery(Actor self) { delivering = true; PlayDeliveryOverlay(); }
+		public void Delivered(Actor self) { delivering = false; }
+	}
+}