Scripts/AtalDazar: Implement Rezan encounter (#30127)

7 files changed, 526 insertions, 0 deletions

diff --git a/sql/updates/world/master/2024_08_02_03_world.sql b/sql/updates/world/master/2024_08_02_03_world.sql
new file mode 100644
index 00000000000..4f59131cd27
--- /dev/null
+++ b/sql/updates/world/master/2024_08_02_03_world.sql
@@ -0,0 +1,46 @@
+-- Instasnce
+DELETE FROM `instance_template` WHERE `map`=1763;
+INSERT INTO `instance_template` (`map`, `parent`, `script`) VALUES
+(1763, 0, 'instance_atal_dazar');
+
+-- Creature
+UPDATE `creature_template` SET `faction`=16, `speed_walk`=2.40000009536743164, `speed_run`=1.285714268684387207, `BaseAttackTime`=1500, `unit_flags`=33536, `unit_flags2`=2048, `unit_flags3`=67633152, `AIName`='SmartAI' WHERE `entry`=129517; -- Reanimated Raptor
+UPDATE `creature_template` SET `unit_flags2`=2048, `ScriptName`='boss_rezan' WHERE `entry`=122963; -- Rezan
+
+DELETE FROM `creature_template_addon` WHERE `entry` = 129517;
+INSERT INTO `creature_template_addon` (`entry`, `PathId`, `mount`, `StandState`, `AnimTier`, `VisFlags`, `SheathState`, `PvpFlags`, `emote`, `aiAnimKit`, `movementAnimKit`, `meleeAnimKit`, `visibilityDistanceType`, `auras`) VALUES
+(129517, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, ''); -- 129517 (Reanimated Raptor)
+
+-- Spells
+DELETE FROM `spell_script_names` WHERE `spell_id` IN (255372, 255421, 257407, 258344, 255600, 255371);
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(255372, 'spell_rezan_tail_selector'),
+(255421, 'spell_rezan_devour'),
+(257407, 'spell_rezan_pursuit'),
+(258344, 'spell_gen_reverse_cast_target_to_caster_triggered'),
+(255600, 'spell_rezan_boss_emote_at_target'),
+(255371, 'spell_rezan_terrifying_visage');
+
+-- Areatriggers
+UPDATE `areatrigger_create_properties` SET `ScriptName`='at_rezan_pile_of_bones_spawn_raptor' WHERE `Id`=11959 AND `IsCustom`=0;
+UPDATE `areatrigger_create_properties` SET `ScriptName`='at_rezan_pile_of_bones_slow' WHERE `Id`=11958 AND `IsCustom`=0;
+
+-- Texts
+DELETE FROM `creature_text` WHERE `CreatureID` = 122963;
+INSERT INTO `creature_text` (`CreatureID`, `GroupID`, `ID`, `Text`, `Type`, `Language`, `Probability`, `Emote`, `Duration`, `Sound`, `BroadcastTextId`, `TextRange`, `comment`) VALUES
+(122963, 0, 0, 'The restless bones come to life as a Reanimated Raptor!', 41, 0, 100, 0, 0, 0, 141130, 0, 'Rezan'),
+(122963, 1, 0, '$n awakens a pile of bones!', 16, 0, 100, 0, 0, 0, 141075, 0, 'Rezan to Rezan'),
+(122963, 2, 0, '|TInterface\\Icons\\ABILITY_DEVOUR.BLP:20|tRezan uses his |cFFFF0000|Hspell:255371|h[Terrifying Visage]|h|r, hide!', 41, 0, 100, 0, 0, 0, 141155, 0, 'Rezan to Rezan'),
+(122963, 3, 0, 'Rezan sets his sights on $n to |TInterface\Icons\ABILITY_MOUNT_FOSSILIZEDRAPTOR.BLP:20|t|cFFFF0000|Hspell:255421|h[Devour]|h|r them!', 42, 0, 100, 0, 0, 0, 138730, 0, 'Rezan to Player');
+
+-- SAI
+DELETE FROM `smart_scripts` WHERE `entryorguid`=129517 AND `source_type`=0;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=12951700 AND `source_type`=9;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `Difficulties`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `event_param5`, `event_param_string`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `action_param7`, `action_param_string`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_param4`, `target_param_string`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(129517, 0, 0, 0, '', 63, 0, 100, 0, 0, 0, 0, 0, 0, '', 80, 12951700, 2, 0, 0, 0, 0, 0, NULL, 1, 0, 0, 0, 0, NULL, 0, 0, 0, 0, 'Reanimated Raptor - On just created - Cast self 256633'),
+(12951700, 9, 0, 0, '', 0, 0, 100, 0, 0, 0, 0, 0, 0, '', 85, 256633, 0, 0, 0, 0, 0, 0, NULL, 1, 0, 0, 0, 0, NULL, 0, 0, 0, 0, 'Reanimated Raptor - Action list - Cast self 256633'),
+(12951700, 9, 1, 0, '', 0, 0, 100, 0, 1000, 1000, 0, 0, 0, '', 28, 256633, 0, 0, 0, 0, 0, 0, NULL, 1, 0, 0, 0, 0, NULL, 0, 0, 0, 0, 'Reanimated Raptor - Action list - Remove aura 256633'),
+(12951700, 9, 2, 0, '', 0, 0, 100, 0, 4000, 4000, 0, 0, 0, '', 144, 0, 0, 0, 0, 0, 0, 0, NULL, 1, 0, 0, 0, 0, NULL, 0, 0, 0, 0, 'Reanimated Raptor - Action list - Remove immune to pc'),
+(12951700, 9, 3, 0, '', 0, 0, 100, 0, 0, 0, 0, 0, 0, '', 145, 0, 0, 0, 0, 0, 0, 0, NULL, 1, 0, 0, 0, 0, NULL, 0, 0, 0, 0, 'Reanimated Raptor - Action list - Remove immune to npc');
+
+UPDATE `creature_template_difficulty` SET `StaticFlags1`=`StaticFlags1`|0x00080000 WHERE `Entry` IN(122963, 129517); -- add amphibious flag to Rezan and Raptors, evades in water otherwise // hack
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index 653fbac677c..057a7e2c9e6 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -4886,6 +4886,19 @@ void SpellMgr::LoadSpellInfoCorrections()
     //
 
     //
+    // ATAL DAZAR SPELLS
+    //
+
+    // Reverse Cast Ride Vehicle
+    ApplySpellFix({ 258344 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->AttributesEx8 &= ~SPELL_ATTR8_ONLY_TARGET_IF_SAME_CREATOR;
+    });
+
+    // ENDOF ATAL DAZAR SPELLS
+    //
+
+    //
     // THE WANDERING ISLE SPELLS
     //
 
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index 1f41f053c67..bcd57762c3d 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -4917,6 +4917,7 @@ class spell_gen_eject_passengers_3_8 : public SpellScript
 };
 
 // 83781 - Reverse Cast Ride Vehicle
+// 258344 - Reverse Cast Ride Vehicle
 class spell_gen_reverse_cast_target_to_caster_triggered: public SpellScript
 {
     void HandleScript(SpellEffIndex effIndex)
diff --git a/src/server/scripts/Zandalar/AtalDazar/atal_dazar.h b/src/server/scripts/Zandalar/AtalDazar/atal_dazar.h
new file mode 100644
index 00000000000..2da36868e0b
--- /dev/null
+++ b/src/server/scripts/Zandalar/AtalDazar/atal_dazar.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEF_ATAL_DAZAR_H_
+#define DEF_ATAL_DAZAR_H_
+
+#include "CreatureAIImpl.h"
+
+#define DataHeader "AtalDazar"
+#define AtalDazarScriptName "instance_atal_dazar"
+
+uint32 const EncounterCount = 4;
+
+enum AtalDazarDataTypes
+{
+    // Encounters
+    DATA_PRIESTESS_ALUNZA = 0,
+    DATA_VOLKAAL          = 1,
+    DATA_REZAN            = 2,
+    DATA_YAZMA            = 3
+};
+
+enum AtalDazarCreatureIds
+{
+    // Bosses
+    BOSS_PRIESTESS_ALUNZA = 129614,
+    BOSS_VOLKAAL          = 129399,
+    BOSS_REZAN            = 122963,
+    BOSS_YAZMA            = 129412
+};
+
+template <class AI, class T>
+inline AI* GetAtalDazarAI(T* obj)
+{
+    return GetInstanceAI<AI>(obj, AtalDazarScriptName);
+}
+
+#define RegisterAtalDazarCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetAtalDazarAI)
+
+#endif
diff --git a/src/server/scripts/Zandalar/AtalDazar/boss_rezan.cpp b/src/server/scripts/Zandalar/AtalDazar/boss_rezan.cpp
new file mode 100644
index 00000000000..e23d8194c30
--- /dev/null
+++ b/src/server/scripts/Zandalar/AtalDazar/boss_rezan.cpp
@@ -0,0 +1,333 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AreaTrigger.h"
+#include "AreaTriggerAI.h"
+#include "InstanceScript.h"
+#include "Map.h"
+#include "ScriptMgr.h"
+#include "ScriptedCreature.h"
+#include "SpellAuraEffects.h"
+#include "SpellScript.h"
+#include "atal_dazar.h"
+
+enum RezanSpells
+{
+    SPELL_TAIL_SELECTOR               = 255372,
+    SPELL_TAIL_DAMAGE                 = 255373,
+    SPELL_SERRATED_TEETH              = 255434,
+    SPELL_DEVOUR                      = 255421,
+    SPELL_TERRIFYING_VISAGE           = 255371,
+    SPELL_REVERSE_CAST_RIDE_VEHICLE   = 258344,
+    SPELL_PURSUIT                     = 257407,
+    SPELL_RIDE_VEHICLE                = 46598,
+    SPELL_PILE_OF_BONES_AT_SPAWN      = 256608,
+    SPELL_PILE_OF_BONES_AT_SLOW       = 256606,
+    SPELL_PILE_OF_BONES_TRIGGER_SPAWN = 256634,
+    SPELL_PILE_OF_BONES_SLOW          = 257483,
+    SPELL_BOSS_EMOTE_AT_TARGET        = 255600
+};
+
+enum RezanEvents
+{
+    EVENT_TERRIFYING_VISAGE = 1,
+    EVENT_TAIL,
+    EVENT_SERRATED_TEETH,
+    EVENT_PURSUIT
+};
+
+enum RezanTexts
+{
+    SAY_REANIMATED_RAPTOR_WARNING  = 0,
+    SAY_REANIMATED_RAPTOR_SUMMONER = 1,
+    SAY_TERRIFYING_VISAGE          = 2,
+    SAY_PURSUIT                    = 3
+};
+
+constexpr Position PilesOfBonesPosition[]
+{
+    { -814.344f, 2241.63f, 641.538f },
+    { -868.391f, 2245.54f, 642.03f  },
+    { -887.726f, 2242.22f, 642.04f  },
+    { -846.66f,  2247.46f, 641.774f },
+    { -902.443f, 2238.86f, 642.331f },
+    { -829.602f, 2247.23f, 641.842f },
+    { -793.8f,   2239.09f, 641.832f },
+    { -859.222f, 2256.25f, 643.136f },
+    { -871.375f, 2258.77f, 643.438f },
+    { -804.901f, 2254.52f, 641.964f },
+    { -884.057f, 2257.15f, 642.643f },
+    { -818.212f, 2259.57f, 642.465f },
+    { -830.214f, 2265.17f, 642.486f },
+    { -897.104f, 2259.22f, 641.901f },
+    { -874.649f, 2273.9f,  642.642f },
+    { -809.342f, 2272.22f, 641.905f },
+    { -821.203f, 2279.28f, 642.488f },
+    { -893.123f, 2276.57f, 642.583f },
+    { -848.333f, 2288.46f, 642.486f },
+    { -797.328f, 2282.58f, 641.182f },
+    { -900.995f, 2285.5f,  641.773f },
+    { -804.385f, 2293.2f,  641.488f },
+    { -895.255f, 2298.0f,  642.486f },
+    { -880.141f, 2301.81f, 642.501f },
+    { -826.514f, 2306.46f, 642.699f },
+    { -871.58f,  2311.03f, 642.487f },
+    { -803.264f, 2310.29f, 641.707f },
+    { -817.41f,  2313.88f, 641.638f },
+    { -889.821f, 2315.4f,  642.486f },
+    { -834.929f, 2321.18f, 643.028f },
+    { -861.599f, 2322.33f, 642.5f   },
+    { -872.771f, 2324.00f, 642.77f  },
+    { -825.752f, 2329.17f, 642.247f },
+    { -810.163f, 2327.19f, 641.401f },
+    { -884.835f, 2331.72f, 642.487f },
+    { -843.49f,  2335.39f, 642.765f },
+    { -895.611f, 2334.97f, 642.425f },
+    { -874.451f, 2340.77f, 643.405f },
+    { -817.785f, 2342.43f, 641.914f },
+    { -861.078f, 2344.69f, 642.685f },
+    { -838.155f, 2345.16f, 642.733f },
+    { -869.793f, 2352.61f, 642.515f }
+};
+
+// 122963 - Rezan
+struct boss_rezan : public BossAI
+{
+    boss_rezan(Creature* creature) : BossAI(creature, DATA_REZAN) { }
+
+    void JustAppeared() override
+    {
+        for (Position const& spawnPoint : PilesOfBonesPosition)
+        {
+            me->CastSpell(spawnPoint, SPELL_PILE_OF_BONES_AT_SPAWN, true);
+            me->CastSpell(spawnPoint, SPELL_PILE_OF_BONES_AT_SLOW, true);
+        }
+    }
+
+    void PassengerBoarded(Unit* who, int8 /*seatId*/, bool apply) override
+    {
+        if (apply && who->ToPlayer())
+            DoCast(who, SPELL_DEVOUR, TRIGGERED_IGNORE_CAST_IN_PROGRESS);
+    }
+
+    void EnterEvadeMode(EvadeReason /*why*/) override
+    {
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
+        summons.DespawnAll();
+
+        _EnterEvadeMode();
+        _DespawnAtEvade();
+    }
+
+    void JustEngagedWith(Unit* who) override
+    {
+        BossAI::JustEngagedWith(who);
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me);
+
+        events.ScheduleEvent(EVENT_TERRIFYING_VISAGE, 12200ms);
+        events.ScheduleEvent(EVENT_TAIL, 6100ms);
+        events.ScheduleEvent(EVENT_SERRATED_TEETH, 8500ms);
+        events.ScheduleEvent(EVENT_PURSUIT, 21900ms);
+    }
+
+    void JustDied(Unit* /*killer*/) override
+    {
+        _JustDied();
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
+    }
+
+    void ExecuteEvent(uint32 eventId) override
+    {
+        switch (eventId)
+        {
+            case EVENT_TERRIFYING_VISAGE:
+            {
+                DoCastSelf(SPELL_TERRIFYING_VISAGE);
+                Talk(SAY_TERRIFYING_VISAGE);
+                events.Repeat(35500ms);
+                break;
+            }
+            case EVENT_TAIL:
+            {
+                DoCastSelf(SPELL_TAIL_SELECTOR);
+                events.Repeat(15800ms, 18200ms);
+                break;
+            }
+            case EVENT_SERRATED_TEETH:
+            {
+                DoCastVictim(SPELL_SERRATED_TEETH);
+                events.Repeat(34100ms);
+                break;
+            }
+            case EVENT_PURSUIT:
+            {
+                if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
+                {
+                    DoCast(target, SPELL_BOSS_EMOTE_AT_TARGET, TRIGGERED_IGNORE_CAST_IN_PROGRESS);
+                    DoCast(target, SPELL_PURSUIT);
+                }
+                events.Repeat(35200ms);
+                break;
+            }
+            default:
+                break;
+        }
+    }
+};
+
+// 255372 - Tail
+class spell_rezan_tail_selector : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_TAIL_DAMAGE });
+    }
+
+    void HandleHitTarget(SpellEffIndex /*effIndex*/)
+    {
+        GetCaster()->CastSpell(GetHitUnit(), SPELL_TAIL_DAMAGE, true);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_rezan_tail_selector::HandleHitTarget, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 255421 - Devour
+class spell_rezan_devour : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_RIDE_VEHICLE });
+    }
+
+    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        GetCaster()->RemoveAura(SPELL_RIDE_VEHICLE);
+    }
+
+    void Register() override
+    {
+        AfterEffectRemove += AuraEffectRemoveFn(spell_rezan_devour::OnRemove, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
+// 257407 - Pursuit
+class spell_rezan_pursuit : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_REVERSE_CAST_RIDE_VEHICLE });
+    }
+
+    void HandlePeriodic(AuraEffect const* /*aurEff*/)
+    {
+        GetCaster()->CastSpell(GetTarget(), SPELL_REVERSE_CAST_RIDE_VEHICLE, true);
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_rezan_pursuit::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
+    }
+};
+
+// 255600 - Boss Emote Passed Points 0 @ Target
+class spell_rezan_boss_emote_at_target : public SpellScript
+{
+    void HandleHitTarget(SpellEffIndex /*effIndex*/)
+    {
+        if (Creature* casterCreature = GetCaster()->ToCreature())
+            casterCreature->AI()->Talk(SAY_PURSUIT, GetHitUnit());
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_rezan_boss_emote_at_target::HandleHitTarget, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 255371 - Terrifying Visage
+class spell_rezan_terrifying_visage : public SpellScript
+{
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        targets.remove_if([this](WorldObject* target) -> bool
+        {
+            return !GetCaster()->IsWithinLOSInMap(target);
+        });
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_rezan_terrifying_visage::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
+    }
+};
+
+// 256608 - Pile of Bones
+struct at_rezan_pile_of_bones_spawn_raptor : AreaTriggerAI
+{
+    at_rezan_pile_of_bones_spawn_raptor(AreaTrigger* areatrigger) : AreaTriggerAI(areatrigger) { }
+
+    void OnUnitEnter(Unit* unit)
+    {
+        Creature* rezan = at->GetInstanceScript()->GetCreature(DATA_REZAN);
+        if (!rezan || !rezan->IsInCombat())
+            return;
+
+        if (!unit->IsPlayer() || (unit == rezan && !rezan->GetMap()->IsHeroicOrHigher()))
+            return;
+
+        rezan->CastSpell(at->GetPosition(), SPELL_PILE_OF_BONES_TRIGGER_SPAWN, true);
+        rezan->AI()->Talk(SAY_REANIMATED_RAPTOR_WARNING);
+        rezan->AI()->Talk(SAY_REANIMATED_RAPTOR_SUMMONER, unit);
+        at->Remove();
+    }
+};
+
+// 256606 - Pile of Bones
+struct at_rezan_pile_of_bones_slow : AreaTriggerAI
+{
+    at_rezan_pile_of_bones_slow(AreaTrigger* areatrigger) : AreaTriggerAI(areatrigger) { }
+
+    void OnUnitEnter(Unit* unit)
+    {
+        Creature* rezan = at->GetInstanceScript()->GetCreature(DATA_REZAN);
+        if (!rezan || !rezan->IsInCombat())
+            return;
+
+        if (!unit->IsPlayer())
+            return;
+
+        unit->CastSpell(unit, SPELL_PILE_OF_BONES_SLOW, true);
+        at->Remove();
+    }
+};
+
+void AddSC_boss_rezan()
+{
+    RegisterAtalDazarCreatureAI(boss_rezan);
+
+    RegisterSpellScript(spell_rezan_tail_selector);
+    RegisterSpellScript(spell_rezan_devour);
+    RegisterSpellScript(spell_rezan_pursuit);
+    RegisterSpellScript(spell_rezan_boss_emote_at_target);
+    RegisterSpellScript(spell_rezan_terrifying_visage);
+
+    RegisterAreaTriggerAI(at_rezan_pile_of_bones_spawn_raptor);
+    RegisterAreaTriggerAI(at_rezan_pile_of_bones_slow);
+}
diff --git a/src/server/scripts/Zandalar/AtalDazar/instance_atal_dazar.cpp b/src/server/scripts/Zandalar/AtalDazar/instance_atal_dazar.cpp
new file mode 100644
index 00000000000..6bf3af91f54
--- /dev/null
+++ b/src/server/scripts/Zandalar/AtalDazar/instance_atal_dazar.cpp
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AreaBoundary.h"
+#include "InstanceScript.h"
+#include "ScriptMgr.h"
+#include "atal_dazar.h"
+
+BossBoundaryData const boundaries =
+{
+    { DATA_REZAN, new ZRangeBoundary(639.0f, 650.0f) }, // 647.65f
+};
+
+ObjectData const creatureData[] =
+{
+    { BOSS_PRIESTESS_ALUNZA, DATA_PRIESTESS_ALUNZA  },
+    { BOSS_VOLKAAL,          DATA_VOLKAAL           },
+    { BOSS_REZAN,            DATA_REZAN             },
+    { BOSS_YAZMA,            DATA_YAZMA             },
+    { 0,                     0                      }  // END
+};
+
+DungeonEncounterData const encounters[] =
+{
+    { DATA_PRIESTESS_ALUNZA, {{ 2084 }} },
+    { DATA_VOLKAAL,          {{ 2085 }} },
+    { DATA_REZAN,            {{ 2086 }} },
+    { DATA_YAZMA,            {{ 2087 }} }
+};
+
+class instance_atal_dazar : public InstanceMapScript
+{
+public:
+    instance_atal_dazar() : InstanceMapScript(AtalDazarScriptName, 1763) { }
+
+    struct instance_atal_dazar_InstanceMapScript : public InstanceScript
+    {
+        instance_atal_dazar_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+        {
+            SetHeaders(DataHeader);
+            SetBossNumber(EncounterCount);
+            LoadObjectData(creatureData, nullptr);
+            LoadBossBoundaries(boundaries);
+            LoadDungeonEncounterData(encounters);
+        }
+    };
+
+    InstanceScript* GetInstanceScript(InstanceMap* map) const override
+    {
+        return new instance_atal_dazar_InstanceMapScript(map);
+    }
+};
+
+void AddSC_instance_atal_dazar()
+{
+    new instance_atal_dazar();
+}
diff --git a/src/server/scripts/Zandalar/zandalar_script_loader.cpp b/src/server/scripts/Zandalar/zandalar_script_loader.cpp
index 8145d99f20e..d907c8036c3 100644
--- a/src/server/scripts/Zandalar/zandalar_script_loader.cpp
+++ b/src/server/scripts/Zandalar/zandalar_script_loader.cpp
@@ -17,6 +17,10 @@
 
 // This is where scripts' loading functions should be declared:
 
+// Atal'Dazar
+void AddSC_instance_atal_dazar();
+void AddSC_boss_rezan();
+
 // Underrot
 void AddSC_instance_underrot();
 void AddSC_boss_elder_leaxa();
@@ -31,6 +35,10 @@ void AddSC_boss_golden_serpent();
 // void Add${NameOfDirectory}Scripts()
 void AddZandalarScripts()
 {
+    // Atal'Dazar
+    AddSC_instance_atal_dazar();
+    AddSC_boss_rezan();
+
     // Underrot
     AddSC_instance_underrot();
     AddSC_boss_elder_leaxa();