Add support for CreatureAI::DamageDealt used in a Zul'Aman script. Thanks joshwhedon.

--HG--
branch : trunk

src/server/game/AI/CreatureAI.h

@@ -95,6 +95,9 @@ class CreatureAI : public UnitAI
         // Called for reaction at enter to combat if not in combat yet (enemy can be NULL)
         virtual void EnterCombat(Unit* /*enemy*/) {}
 
+        // Called at any Damage to any victim (before damage apply)
+        virtual void DamageDealt(Unit * /*done_to*/, uint32 & /*damage*/) { }
+
         // Called at any Damage from any attacker (before damage apply)
         // Note: it for recalculation damage or special reaction at damage
         // for attack reaction use AttackedBy called for not DOT damage in Unit::DealDamage also

src/server/game/Entities/Unit/Unit.cpp

@@ -567,6 +567,9 @@ uint32 Unit::DealDamage(Unit *pVictim, uint32 damage, CleanDamage const* cleanDa
     if (pVictim->GetTypeId() == TYPEID_UNIT && pVictim->ToCreature()->IsAIEnabled)
         pVictim->ToCreature()->AI()->DamageTaken(this, damage);
 
+    if (GetTypeId() == TYPEID_UNIT && this->ToCreature()->IsAIEnabled)
+        this->ToCreature()->AI()->DamageDealt(pVictim, damage);
+
     if (damagetype != NODAMAGE)
     {
         // interrupting auras with AURA_INTERRUPT_FLAG_DAMAGE before checking !damage (absorbed damage breaks that type of auras)