add support for damage cooldown on SelfHealing

OpenRA.Mods.RA/SelfHealing.cs

@@ -17,14 +17,15 @@ namespace OpenRA.Mods.RA
 		public readonly int Step = 5;
 		public readonly int Ticks = 5;
 		public readonly float HealIfBelow = .5f;
+		public readonly int DamageCooldown = 0;
 
 		public virtual object Create(ActorInitializer init) { return new SelfHealing(this); }
 	}
 
-	class SelfHealing : ITick, ISync
+	class SelfHealing : ITick, ISync, INotifyDamage
 	{
-		[Sync]
-		int ticks;
+		[Sync] int ticks;
+		[Sync] int damageTicks;
 		SelfHealingInfo Info;
 
 		public SelfHealing(SelfHealingInfo info) { Info = info; }
@@ -38,11 +39,23 @@ namespace OpenRA.Mods.RA
 			if (health.HP >= Info.HealIfBelow*health.MaxHP)
 				return;
 			
+			if (damageTicks > 0)
+			{
+				--damageTicks;
+				return;
+			}
+
 			if (--ticks <= 0)
 			{
 				ticks = Info.Ticks;
 				self.InflictDamage(self, -Info.Step, null);
 			}
 		}
+
+		public void Damaged (Actor self, AttackInfo e)
+		{
+			if (e.Damage > 0)
+				damageTicks = Info.DamageCooldown;
+		}
 	}
 }