Trait-based units. Any unit/building without sequences will cause a crash when built.

OpenRa.Game/UnitOrderGenerator.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game
+{
+	class UnitOrderGenerator : IOrderGenerator
+	{
+		public readonly List<Actor> selection;
+
+		public UnitOrderGenerator( IEnumerable<Actor> selected )
+		{
+			selection = selected.ToList();
+		}
+
+		public IEnumerable<Order> Order( Game game, int2 xy )
+		{
+			foreach( var unit in selection )
+			{
+				var ret = unit.Order( game, xy );
+				if( ret != null )
+					yield return ret;
+			}
+
+			//if( ( fromCell == toCell || moveFraction == 0 ) && fromCell == xy )
+			//{
+			//    if( SupportsMission( SupportedMissions.Deploy ) )
+			//        return new DeployMcvOrder( this );
+			//    if( SupportsMission( SupportedMissions.Harvest ) )
+			//        return new HarvestOrder( this );
+			//}
+
+			//return new MoveOrder( this, xy );
+		}
+
+		public void PrepareOverlay( Game game, int2 xy ) { }
+	}
+}