move HasUnitOnBuild to RA

OpenRA.Game/OpenRA.Game.csproj

@@ -294,7 +294,6 @@
     <Compile Include="Widgets\BackgroundWidget.cs" />
     <Compile Include="Widgets\LabelWidget.cs" />
     <Compile Include="Widgets\CheckboxWidget.cs" />
-    <Compile Include="Traits\HasUnitOnBuild.cs" />
     <Compile Include="Traits\Activities\Wait.cs" />
     <Compile Include="Traits\CrateAction.cs" />
     <Compile Include="Effects\CrateEffect.cs" />

OpenRA.Game/Traits/HasUnitOnBuild.cs

@@ -1,37 +0,0 @@
-
-using System;
-
-namespace OpenRA.Traits
-{
-
-	class HasUnitOnBuildInfo : ITraitInfo
-	{
-		public readonly string Unit = null;
-		public readonly string InitialActivity = null;
-		public readonly int2 SpawnOffset = int2.Zero;
-		public readonly int Facing = 0;
-		
-		public object Create( Actor self ) { return new HasUnitOnBuild(self); }
-	}
-
-	public class HasUnitOnBuild
-	{
-		
-		public HasUnitOnBuild(Actor self)
-		{
-			var info = self.Info.Traits.Get<HasUnitOnBuildInfo>();
-			
-			self.World.AddFrameEndTask(
-				w =>
-				{
-					var unit = w.CreateActor(info.Unit, self.Location 
-						+ info.SpawnOffset, self.Owner);
-					var unitTrait = unit.traits.Get<Unit>();
-					unitTrait.Facing = info.Facing;
-
-					if (info.InitialActivity != null)
-						unit.QueueActivity(Game.CreateObject<IActivity>(info.InitialActivity));
-				});
-		}
-	}
-}