Add Actor.Guard

OpenRA.Mods.RA/Guard.cs

@@ -27,12 +27,18 @@ namespace OpenRA.Mods.RA
 			if (order.OrderString == "Guard")
 			{
 				var target = Target.FromActor(order.TargetActor);
+
+				GuardTarget(self, target);
+			}
+		}
+
+		public void GuardTarget(Actor self, Target target)
+		{
 			self.SetTargetLine(target, Color.Yellow);
 
 			var range = WRange.FromCells(target.Actor.Info.Traits.Get<GuardableInfo>().Range);
 			self.QueueActivity(false, new AttackMove.AttackMoveActivity(self, self.Trait<IMove>().MoveFollow(self, target, range)));
 		}
-		}
 
 		public string VoicePhraseForOrder(Actor self, Order order)
 		{

OpenRA.Mods.RA/Scripting/LuaScriptInterface.cs

@@ -372,5 +372,17 @@ namespace OpenRA.Mods.RA.Scripting
 
 			factory.Trait<ProductionQueue>().ResolveOrder(factory, Order.StartProduction(factory, unit, (int)amount));
 		}
+
+		[LuaGlobal]
+		public void Guard(Actor guard, Actor target)
+		{
+			if (target.HasTrait<Guardable>())
+			{
+				var gt = guard.TraitOrDefault<Guard>();
+
+				if (gt != null)
+					gt.GuardTarget(guard, Target.FromActor(target));
+			}
+		}
 	}
 }

mods/common/lua/actor.lua

@@ -187,6 +187,10 @@ Actor.ReturnToBase = function(actor, airfield)
 	actor:QueueActivity(OpenRA.New("ReturnToBase", { actor, airfield }))
 end
 
+Actor.Guard = function(actor, target)
+	Internal.Guard(actor, target)
+end
+
 Actor.Patrol = function(actor, waypoints, wait, loop)
 	Utils.Do(waypoints, function(wpt)
 		Actor.AttackMove(actor, wpt.Location, 3)