account for initial health

OpenRA.Mods.Common/Traits/Render/WithIdleOverlay.cs

@@ -61,7 +61,7 @@ namespace OpenRA.Mods.Common.Traits
 
 			buildComplete = !self.HasTrait<Building>(); // always render instantly for units
 			overlay = new Animation(self.World, rs.GetImage(self));
-			overlay.PlayRepeating(info.Sequence);
+			overlay.PlayRepeating(RenderSprites.NormalizeSequence(overlay, self.GetDamageState(), info.Sequence));
 			rs.Add("idle_overlay_{0}".F(info.Sequence),
 				new AnimationWithOffset(overlay,
 					() => body.LocalToWorld(info.Offset.Rotate(body.QuantizeOrientation(self, self.Orientation))),