More Lua API enhancements

OpenRA.Mods.RA/Scripting/Properties/HealthProperties.cs

@@ -8,6 +8,7 @@
  */
 #endregion
 
+using OpenRA.Mods.RA.Buildings;
 using OpenRA.Scripting;
 using OpenRA.Traits;
 
@@ -33,4 +34,34 @@ namespace OpenRA.Mods.RA.Scripting
 		[Desc("Maximum health of the actor.")]
 		public int MaxHealth { get { return health.MaxHP; } }
 	}
+
+	[ScriptPropertyGroup("General")]
+	public class RepairableBuildingProperties : ScriptActorProperties, Requires<RepairableBuildingInfo>
+	{
+		readonly RepairableBuilding rb;
+
+		public RepairableBuildingProperties(ScriptContext context, Actor self)
+			: base(context, self)
+		{
+			rb = self.Trait<RepairableBuilding>();
+		}
+
+		[Desc("Start repairs on this building. `repairer` can be an allied player.")]
+		public void StartBuildingRepairs(Player repairer = null)
+		{
+			repairer = repairer ?? self.Owner;
+
+			if (!rb.Repairers.Contains(repairer))
+				rb.RepairBuilding(self, repairer);
+		}
+
+		[Desc("Stop repairs on this building. `repairer` can be an allied player.")]
+		public void StopBuildingRepairs(Player repairer = null)
+		{
+			repairer = repairer ?? self.Owner;
+
+			if (rb.RepairActive && rb.Repairers.Contains(repairer))
+				rb.RepairBuilding(self, repairer);
+		}
+	}
 }