fix(Scripts/ZulGurub): Improvements to Jindo the Hexxer (#12395)

data/sql/updates/pending_db_world/rev_1657968102568754700.sql

@@ -0,0 +1,2 @@
+--
+UPDATE `creature_template` SET `ScriptName`='npc_brain_wash_totem' WHERE `entry`=15112;

src/server/scripts/EasternKingdoms/ZulGurub/boss_jindo.cpp

@@ -68,6 +68,9 @@ struct boss_jindo : public BossAI
         events.ScheduleEvent(EVENT_TELEPORT, 5000);
 
         Talk(SAY_AGGRO);
+
+        me->SetUInt32Value(UNIT_NPC_EMOTESTATE, EMOTE_STATE_NONE);
+        _scheduler.CancelAll();
     }
 
     void JustSummoned(Creature* summon) override
@@ -76,14 +79,15 @@ struct boss_jindo : public BossAI
 
         switch (summon->GetEntry())
         {
-        case NPC_BRAIN_WASH_TOTEM:
+            case NPC_BRAIN_WASH_TOTEM:
-            if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1))
+                summon->SetReactState(REACT_PASSIVE);
-            {
+                if (Unit* target = SelectTarget(SelectTargetMethod::Random, me->GetThreatMgr().getThreatList().size() > 1 ? 1 : 0))
-                summon->CastSpell(target, summon->m_spells[0], true);
+                {
-            }
+                    summon->CastSpell(target, summon->m_spells[0], true);
-            break;
+                }
-        default:
+                break;
-            break;
+            default:
+                break;
         }
     }
 
@@ -91,20 +95,22 @@ struct boss_jindo : public BossAI
     {
         if (_EnterEvadeMode(evadeReason))
         {
-            me->AddUnitState(UNIT_STATE_EVADE);
             Reset();
             me->SetUInt32Value(UNIT_NPC_EMOTESTATE, EMOTE_STATE_DANCE);
 
-            me->m_Events.AddEventAtOffset([&]()
+            _scheduler.Schedule(4s, [this](TaskContext /*context*/)
             {
                 me->SetUInt32Value(UNIT_NPC_EMOTESTATE, EMOTE_STATE_NONE);
+                me->AddUnitState(UNIT_STATE_EVADE);
                 me->GetMotionMaster()->MoveTargetedHome();
-            }, 4s);
+            });
         }
     }
 
     void UpdateAI(uint32 diff) override
     {
+        _scheduler.Update(diff);
+
         if (!UpdateVictim())
             return;
 
@@ -153,6 +159,9 @@ struct boss_jindo : public BossAI
 
         return true;
     }
+
+private:
+    TaskScheduler _scheduler;
 };
 
 //Healing Ward
@@ -282,11 +291,23 @@ class spell_delusions_of_jindo : public SpellScript
     }
 };
 
+struct npc_brain_wash_totem : public ScriptedAI
+{
+    npc_brain_wash_totem(Creature* creature) : ScriptedAI(creature)
+    {
+    }
+
+    void EnterEvadeMode(EvadeReason /*evadeReason*/) override
+    {
+    }
+};
+
 void AddSC_boss_jindo()
 {
     RegisterZulGurubCreatureAI(boss_jindo);
     RegisterZulGurubCreatureAI(npc_healing_ward);
     RegisterZulGurubCreatureAI(npc_shade_of_jindo);
+    RegisterZulGurubCreatureAI(npc_brain_wash_totem);
     RegisterSpellScript(spell_random_aggro);
     RegisterSpellScript(spell_delusions_of_jindo);
 }