fix(Scripts/ZulGurub): Improvements to Hazzarah encounter (#11964)

Corrected timers of events.
Added missing/Removed invalid spells.
Fixes #11612

data/sql/updates/pending_db_world/rev_1654439260971561400.sql

@@ -0,0 +1,4 @@
+--
+DELETE FROM `spell_script_names` WHERE `spell_id`=24684;
+INSERT INTO `spell_script_names` VALUES
+(24684,'spell_chain_burn');

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

@@ -24,19 +24,25 @@ EndScriptData */
 
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
+#include "SpellScript.h"
 #include "zulgurub.h"
 
 enum Spells
 {
-    SPELL_MANABURN              = 26046,
+    SPELL_SLEEP                             = 24664,
-    SPELL_SLEEP                 = 24664
+    SPELL_EARTH_SHOCK                       = 24685,
+    SPELL_CHAIN_BURN                        = 24684,
+    SPELL_SUMMON_NIGHTMARE_ILLUSION_LEFT    = 24681,
+    SPELL_SUMMON_NIGHTMARE_ILLUSION_BACK    = 24728,
+    SPELL_SUMMON_NIGHTMARE_ILLUSION_RIGHT   = 24729
 };
 
 enum Events
 {
-    EVENT_MANABURN              = 1,
+    EVENT_SLEEP                             = 1,
-    EVENT_SLEEP                 = 2,
+    EVENT_EARTH_SHOCK                       = 2,
-    EVENT_ILLUSIONS             = 3
+    EVENT_CHAIN_BURN                        = 3,
+    EVENT_ILLUSIONS                         = 4
 };
 
 class boss_hazzarah : public CreatureScript
@@ -48,22 +54,42 @@ public:
     {
         boss_hazzarahAI(Creature* creature) : BossAI(creature, DATA_EDGE_OF_MADNESS) { }
 
-        void Reset() override
+        void JustSummoned(Creature* summon) override
         {
-            _Reset();
+            summons.Summon(summon);
-        }
 
-        void JustDied(Unit* /*killer*/) override
+            summon->SetCorpseDelay(10);
-        {
+            summon->SetReactState(REACT_PASSIVE);
-            _JustDied();
+            summon->SetUnitFlag(UNIT_FLAG_DISABLE_MOVE);
+            summon->SetVisible(false);
+            summon->m_Events.AddEventAtOffset([summon]()
+            {
+                summon->SetVisible(true);
+            }, 2s);
+
+            summon->m_Events.AddEventAtOffset([summon]()
+            {
+                summon->RemoveUnitFlag(UNIT_FLAG_DISABLE_MOVE);
+                summon->SetReactState(REACT_AGGRESSIVE);
+                summon->SetInCombatWithZone();
+            }, 3500ms);
         }
 
         void EnterCombat(Unit* /*who*/) override
         {
             _EnterCombat();
-            events.ScheduleEvent(EVENT_MANABURN, urand(4000, 10000));
+            events.ScheduleEvent(EVENT_SLEEP, 12s, 15s);
-            events.ScheduleEvent(EVENT_SLEEP, urand(10000, 18000));
+            events.ScheduleEvent(EVENT_EARTH_SHOCK, 8s, 18s);
-            events.ScheduleEvent(EVENT_ILLUSIONS, urand(10000, 18000));
+            events.ScheduleEvent(EVENT_CHAIN_BURN, 12s, 28s);
+            events.ScheduleEvent(EVENT_ILLUSIONS, 16s, 24s);
+        }
+
+        bool CanAIAttack(Unit const* target) const override
+        {
+            if (me->GetThreatMgr().getThreatList().size() > 1 && me->GetThreatMgr().getOnlineContainer().getMostHated()->getTarget() == target)
+                return !target->HasAura(SPELL_SLEEP);
+
+            return true;
         }
 
         void UpdateAI(uint32 diff) override
@@ -80,27 +106,26 @@ public:
             {
                 switch (eventId)
                 {
-                    case EVENT_MANABURN:
-                        DoCastVictim(SPELL_MANABURN, true);
-                        events.ScheduleEvent(EVENT_MANABURN, urand(8000, 16000));
-                        break;
                     case EVENT_SLEEP:
                         DoCastVictim(SPELL_SLEEP, true);
-                        events.ScheduleEvent(EVENT_SLEEP, urand(12000, 20000));
+                        events.ScheduleEvent(EVENT_SLEEP, 24s, 32s);
+                        return;
+                    case EVENT_EARTH_SHOCK:
+                        DoCastVictim(SPELL_EARTH_SHOCK);
+                        events.ScheduleEvent(EVENT_EARTH_SHOCK, 8s, 18s);
+                        break;
+                    case EVENT_CHAIN_BURN:
+                        if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1, [&](Unit* u) { return u && !u->IsPet() && u->getPowerType() == POWER_MANA; }))
+                        {
+                            DoCast(target, SPELL_CHAIN_BURN, false);
+                        }
+                        events.ScheduleEvent(EVENT_CHAIN_BURN, 12s, 28s);
                         break;
                     case EVENT_ILLUSIONS:
-                        // We will summon 3 illusions that will spawn on a random gamer and attack this gamer
+                        DoCastSelf(SPELL_SUMMON_NIGHTMARE_ILLUSION_LEFT, true);
-                        // We will just use one model for the beginning
+                        DoCastSelf(SPELL_SUMMON_NIGHTMARE_ILLUSION_BACK, true);
-                        for (uint8 i = 0; i < 3; ++i)
+                        DoCastSelf(SPELL_SUMMON_NIGHTMARE_ILLUSION_RIGHT, true);
-                        {
+                        events.ScheduleEvent(EVENT_ILLUSIONS, 16s, 24s);
-                            if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
-                            {
-                                Creature* Illusion = me->SummonCreature(NPC_NIGHTMARE_ILLUSION, target->GetPositionX(), target->GetPositionY(), target->GetPositionZ(), 0, TEMPSUMMON_TIMED_OR_CORPSE_DESPAWN, 30000);
-                                if (Illusion)
-                                    Illusion->AI()->AttackStart(target);
-                            }
-                        }
-                        events.ScheduleEvent(EVENT_ILLUSIONS, urand(15000, 25000));
                         break;
                     default:
                         break;
@@ -117,7 +142,28 @@ public:
     }
 };
 
+class spell_chain_burn : public SpellScript
+{
+    PrepareSpellScript(spell_chain_burn);
+
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        Unit* caster = GetCaster();
+        targets.remove_if([caster](WorldObject* target) -> bool
+        {
+            Unit* unit = target->ToUnit();
+            return !unit || unit->getPowerType() != POWER_MANA || caster->GetVictim() == unit;
+        });
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_chain_burn::FilterTargets, EFFECT_0, TARGET_UNIT_TARGET_ENEMY);
+    }
+};
+
 void AddSC_boss_hazzarah()
 {
     new boss_hazzarah();
+    RegisterSpellScript(spell_chain_burn);
 }