Scripts/PitOfSaron: Update Ick's reaction state during Explosive Barrage (#30432)

Author: Jildor

src/server/scripts/Northrend/FrozenHalls/PitOfSaron/boss_krickandick.cpp

@@ -547,22 +547,20 @@ class spell_ick_explosive_barrage : public AuraScript
 
     void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
     {
-        Unit* caster = GetCaster();
-        if (!caster || caster->GetTypeId() != TYPEID_UNIT)
+        Creature* target = GetTarget()->ToCreature();
+        if (!target)
             return;
 
-        caster->GetMotionMaster()->MoveIdle();
-        caster->GetMotionMaster()->Clear(MOTION_PRIORITY_NORMAL);
+        target->SetReactState(REACT_PASSIVE);
     }
 
     void HandleEffectRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
     {
-        Unit* caster = GetCaster();
-        if (!caster || caster->GetTypeId() != TYPEID_UNIT)
+        Creature* target = GetTarget()->ToCreature();
+        if (!target)
             return;
 
-        if (Unit* victim = caster->GetVictim())
-            caster->GetMotionMaster()->MoveChase(victim);
+        target->SetReactState(REACT_AGGRESSIVE);
     }
 
     void Register() override