splitting traits into own files

OpenRa.Game/Traits/RenderSimple.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRa.Game.Graphics;
+using IjwFramework.Types;
+
+namespace OpenRa.Game.Traits
+{
+	abstract class RenderSimple : IRender, ITick
+	{
+		public Animation anim;
+
+		public RenderSimple(Actor self)
+		{
+			anim = new Animation(self.unitInfo.Image ?? self.unitInfo.Name);
+		}
+
+		public abstract IEnumerable<Pair<Sprite, float2>> Render(Actor self);
+
+		public virtual void Tick(Actor self, Game game, int dt)
+		{
+			anim.Tick(dt);
+		}
+	}
+}