Scripts/Mardum: Implement The Invasion Begins quest (#29302)

Co-authored-by: ModoX <moardox@gmail.com>

2 files changed, 586 insertions, 1 deletions

diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index 9b09bb4abb3..72ad8ccd7fa 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -4628,7 +4628,24 @@ void SpellMgr::LoadSpellInfoCorrections()
     {
         spellInfo->AuraInterruptFlags |= SpellAuraInterruptFlags::LeaveWorld;
     });
-    // ENDOF FIRELANDS SPELLS
+    // ENDOF FIRELANDS
+
+    //
+    // MARDUM SPELLS
+    //
+
+    // 187382 - The Invasion Begins: Summon Wrath Warrior
+    ApplySpellFix({ 187382 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->RangeEntry = sSpellRangeStore.LookupEntry(13); // 50000 yards
+
+        ApplySpellEffectFix(spellInfo, EFFECT_0, [](SpellEffectInfo* spellEffectInfo)
+        {
+            spellEffectInfo->TargetA = SpellImplicitTargetInfo(TARGET_DEST_DEST);
+        });
+    });
+
+    // ENDOF MARDUM SPELLS
 
     //
     // ANTORUS THE BURNING THRONE SPELLS
diff --git a/src/server/scripts/BrokenIsles/zone_mardum.cpp b/src/server/scripts/BrokenIsles/zone_mardum.cpp
index 15785185c0d..da64e6ac27c 100644
--- a/src/server/scripts/BrokenIsles/zone_mardum.cpp
+++ b/src/server/scripts/BrokenIsles/zone_mardum.cpp
@@ -15,11 +15,18 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "CellImpl.h"
+#include "Containers.h"
 #include "Conversation.h"
+#include "GridNotifiersImpl.h"
+#include "MotionMaster.h"
+#include "ObjectAccessor.h"
 #include "PhasingHandler.h"
 #include "Player.h"
 #include "ScriptMgr.h"
+#include "ScriptedCreature.h"
 #include "SpellScript.h"
+#include "TemporarySummon.h"
 
 enum MardumSpellData
 {
@@ -36,6 +43,12 @@ enum MardumConversationData
     CONVO_DEMONHUNTER_INTRO_START       = 705
 };
 
+enum MardumSoundData
+{
+    SOUND_METAL_WEAPON_UNSHEATH = 700,
+    SOUND_SPELL_DOUBLE_JUMP     = 53780,
+};
+
 class scene_demonhunter_intro : public SceneScript
 {
 public:
@@ -66,8 +79,563 @@ class spell_demon_hunter_intro_aura : public AuraScript
     }
 };
 
+enum TheInvasionBeginsQuestData
+{
+    QUEST_THE_INVASION_BEGINS                   = 40077,
+
+    CONVO_THE_INVASION_BEGINS                   = 922,
+
+    NPC_KAYN_SUNFURY_INVASION_BEGINS            = 93011,
+    NPC_JAYCE_DARKWEAVER_INVASION_BEGINS        = 98228,
+    NPC_ALLARI_THE_SOULEATER_INVASION_BEGINS    = 98227,
+    NPC_CYANA_NIGHTGLAIVE_INVASION_BEGINS       = 98290,
+    NPC_KORVAS_BLOODTHORN_INVASION_BEGINS       = 98292,
+    NPC_SEVIS_BRIGHTFLAME_INVASION_BEGINS       = 99918,
+    NPC_WRATH_WARRIOR_INVASION_BEGINS           = 94580,
+
+    SPELL_THE_INVASION_BEGINS                   = 187382,
+    SPELL_TRACK_TARGET_IN_CHANNEL               = 175799,
+    SPELL_DEMON_HUNTER_GLIDE_STATE              = 199303
+};
+
+enum TheInvasionsBeginsWaypointData
+{
+    // Kayn
+    PATH_KAYN_ATTACK_DEMON                      = 9301100,
+    PATH_KAYN_AFTER_DEMON                       = 9301101,
+
+    // Path before Jump
+    PATH_JAYCE_INVASION_BEGINS                  = 9822800,
+    PATH_ALLARI_INVASION_BEGINS                 = 9822700,
+    PATH_CYANA_INVASION_BEGINS                  = 9829000,
+    PATH_KORVAS_INVASION_BEGINS                 = 9829200,
+    PATH_SEVIS_INVASION_BEGINS                  = 9991800,
+
+    // Path after Jump
+    PATH_JAYCE_JUMP_INVASION_BEGINS             = 9822801,
+    PATH_ALLARI_JUMP_INVASION_BEGINS            = 9822701,
+    PATH_CYANA_JUMP_INVASION_BEGINS             = 9829001,
+    PATH_KORVAS_JUMP_INVASION_BEGINS            = 9829201,
+    PATH_SEVIS_JUMP_INVASION_BEGINS             = 9991801,
+
+    POINT_ILLIDARI_LAND_POS                     = 1,
+    POINT_KAYN_TRIGGER_DOUBLE_JUMP              = 2,
+    POINT_KAYN_MOVE_TO_DEMON                    = 3,
+};
+
+enum TheInvasionBeginsAnimKitsData
+{
+    ANIM_DH_WINGS                               = 58110,
+    ANIM_DH_RUN                                 = 9767,
+    ANIM_DH_RUN_ALLARI                          = 9180,
+};
+
+enum TheInvasionBeginsVisualData
+{
+    SPELL_VISUAL_KIT_KAYN_GLIDE                 = 59738,
+    SPELL_VISUAL_KIT_KAYN_WINGS                 = 59406,
+    SPELL_VISUAL_KIT_KAYN_DOUBLE_JUMP           = 58110,
+    SPELL_VISUAL_KIT_KORVAS_JUMP                = 63071,
+    SPELL_VISUAL_KIT_WRATH_WARRIOR_DIE          = 58476,
+};
+
+Position const WrathWarriorSpawnPosition        = { 1081.9166f, 3183.8716f, 26.335993f };
+Position const KaynJumpPos                      = { 1172.17f, 3202.55f, 54.3479f };
+Position const KaynDoubleJumpPosition           = { 1094.2384f, 3186.058f, 28.81562f };
+Position const JayceJumpPos                     = { 1119.24f, 3203.42f, 38.1061f };
+Position const AllariJumpPos                    = { 1120.08f, 3197.2f, 36.8502f };
+Position const KorvasJumpPos                    = { 1117.89f, 3196.24f, 36.2158f };
+Position const SevisJumpPos                     = { 1120.74f, 3199.47f, 37.5157f };
+Position const CyanaJumpPos                     = { 1120.34f, 3194.28f, 36.4321f };
+
+// 93011 - Kayn Sunfury
+struct npc_kayn_sunfury_invasion_begins : public ScriptedAI
+{
+    npc_kayn_sunfury_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void OnQuestAccept(Player* player, Quest const* quest) override
+    {
+        if (quest->GetQuestId() == QUEST_THE_INVASION_BEGINS)
+        {
+            PhasingHandler::OnConditionChange(player);
+            player->CastSpell(WrathWarriorSpawnPosition, SPELL_THE_INVASION_BEGINS, false);
+            Conversation::CreateConversation(CONVO_THE_INVASION_BEGINS, player, *player, player->GetGUID(), nullptr, false);
+        }
+    }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_KAYN_ATTACK_DEMON)
+        {
+            Creature* wrathWarrior = me->FindNearestCreatureWithOptions(100.0f, { .CreatureId = NPC_WRATH_WARRIOR_INVASION_BEGINS, .IgnorePhases = true, .OwnerGuid = me->GetOwnerGUID() });
+            if (!wrathWarrior)
+                return;
+
+            me->SetFacingToObject(wrathWarrior);
+
+            wrathWarrior->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_WRATH_WARRIOR_DIE, 0, 0);
+            wrathWarrior->KillSelf();
+
+            _scheduler.Schedule(600ms, [this](TaskContext /*context*/)
+            {
+                me->GetMotionMaster()->MovePath(PATH_KAYN_AFTER_DEMON, false);
+            });
+        }
+        else if (pathId == PATH_KAYN_AFTER_DEMON)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_KAYN_TRIGGER_DOUBLE_JUMP)
+        {
+            TempSummon* summon = me->ToTempSummon();
+            if (!summon)
+                return;
+            WorldObject* summoner = summon->GetSummoner();
+            if (!summoner)
+                return;
+            Player* summonerPlayer = summoner->ToPlayer();
+            if (!summonerPlayer)
+                return;
+
+            me->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_KAYN_WINGS, 4, 3000);
+            me->PlayObjectSound(SOUND_SPELL_DOUBLE_JUMP, me->GetGUID(), summonerPlayer);
+            me->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_KAYN_DOUBLE_JUMP, 0, 0);
+            me->GetMotionMaster()->MoveJumpWithGravity(KaynDoubleJumpPosition, 24.0, 0.9874f, POINT_KAYN_MOVE_TO_DEMON);
+        }
+        else if (pointId == POINT_KAYN_MOVE_TO_DEMON)
+        {
+            me->SetAIAnimKitId(ANIM_DH_RUN);
+            me->GetMotionMaster()->MovePath(PATH_KAYN_ATTACK_DEMON, false, {}, 4.0f);
+        }
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        _scheduler.Update(diff);
+    }
+
+private:
+    TaskScheduler _scheduler;
+};
+
+// 98228 - Jayce Darkweaver
+struct npc_jayce_darkweaver_invasion_begins : public ScriptedAI
+{
+    npc_jayce_darkweaver_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_JAYCE_INVASION_BEGINS)
+        {
+            me->CastSpell(nullptr, SPELL_DEMON_HUNTER_GLIDE_STATE, true);
+            me->GetMotionMaster()->MoveJumpWithGravity(JayceJumpPos, 12.0f, 15.2792f, POINT_ILLIDARI_LAND_POS);
+        }
+        else if (pathId == PATH_JAYCE_JUMP_INVASION_BEGINS)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_ILLIDARI_LAND_POS)
+        {
+            me->RemoveAurasDueToSpell(SPELL_DEMON_HUNTER_GLIDE_STATE);
+            me->GetMotionMaster()->MovePath(PATH_JAYCE_JUMP_INVASION_BEGINS, false);
+        }
+    }
+};
+
+// 98227 - Allari the Souleater
+struct npc_allari_the_souleater_invasion_begins : public ScriptedAI
+{
+    npc_allari_the_souleater_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_ALLARI_INVASION_BEGINS)
+        {
+            me->CastSpell(nullptr, SPELL_DEMON_HUNTER_GLIDE_STATE, true);
+            me->GetMotionMaster()->MoveJumpWithGravity(AllariJumpPos, 12.0f, 9.2722f, POINT_ILLIDARI_LAND_POS);
+        }
+        else if (pathId == PATH_ALLARI_JUMP_INVASION_BEGINS)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_ILLIDARI_LAND_POS)
+        {
+            me->RemoveAurasDueToSpell(SPELL_DEMON_HUNTER_GLIDE_STATE);
+            me->GetMotionMaster()->MovePath(PATH_ALLARI_JUMP_INVASION_BEGINS, false);
+        }
+    }
+};
+
+// 98292 - Korvas Bloodthorn
+struct npc_korvas_bloodthorn_invasion_begins : public ScriptedAI
+{
+    npc_korvas_bloodthorn_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_KORVAS_INVASION_BEGINS)
+        {
+            me->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_KORVAS_JUMP, 4, 2000);
+            me->GetMotionMaster()->MoveJumpWithGravity(KorvasJumpPos, 24.0f, 19.2911f, POINT_ILLIDARI_LAND_POS);
+        }
+        else if (pathId == PATH_KORVAS_JUMP_INVASION_BEGINS)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_ILLIDARI_LAND_POS)
+        {
+            me->RemoveAurasDueToSpell(SPELL_DEMON_HUNTER_GLIDE_STATE);
+            me->GetMotionMaster()->MovePath(PATH_KORVAS_JUMP_INVASION_BEGINS, false);
+        }
+    }
+};
+
+// 99918 - Sevis Brightflame
+struct npc_sevis_brightflame_invasion_begins : public ScriptedAI
+{
+    npc_sevis_brightflame_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_SEVIS_INVASION_BEGINS)
+        {
+            me->CastSpell(nullptr, SPELL_DEMON_HUNTER_GLIDE_STATE, true);
+            me->GetMotionMaster()->MoveJumpWithGravity(SevisJumpPos, 12.0f, 13.3033f, POINT_ILLIDARI_LAND_POS);
+        }
+        else if (pathId == PATH_SEVIS_JUMP_INVASION_BEGINS)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_ILLIDARI_LAND_POS)
+        {
+            me->RemoveAurasDueToSpell(SPELL_DEMON_HUNTER_GLIDE_STATE);
+            me->GetMotionMaster()->MovePath(PATH_SEVIS_JUMP_INVASION_BEGINS, false);
+        }
+    }
+};
+
+// 98290 - Cyana Nightglaive
+struct npc_cyana_nightglaive_invasion_begins : public ScriptedAI
+{
+    npc_cyana_nightglaive_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    void WaypointPathEnded(uint32 /*nodeId*/, uint32 pathId) override
+    {
+        if (pathId == PATH_CYANA_INVASION_BEGINS)
+        {
+            me->CastSpell(nullptr, SPELL_DEMON_HUNTER_GLIDE_STATE, true);
+            me->GetMotionMaster()->MoveJumpWithGravity(CyanaJumpPos, 12.0f, 8.4555f, POINT_ILLIDARI_LAND_POS);
+        }
+        else if (pathId == PATH_CYANA_JUMP_INVASION_BEGINS)
+            me->DespawnOrUnsummon();
+    }
+
+    void MovementInform(uint32 type, uint32 pointId) override
+    {
+        if (type != EFFECT_MOTION_TYPE)
+            return;
+
+        if (pointId == POINT_ILLIDARI_LAND_POS)
+        {
+            me->RemoveAurasDueToSpell(SPELL_DEMON_HUNTER_GLIDE_STATE);
+            me->GetMotionMaster()->MovePath(PATH_CYANA_JUMP_INVASION_BEGINS, false);
+        }
+    }
+};
+
+// 922 - The Invasion Begins
+class conversation_the_invasion_begins : public ConversationScript
+{
+public:
+    conversation_the_invasion_begins() : ConversationScript("conversation_the_invasion_begins") { }
+
+    enum TheInvasionBeginsConversationData
+    {
+        CONVO_LINE_TRIGGER_FACING       = 2529,
+        CONVO_LINE_START_PATH           = 2288,
+
+        CONVO_ACTOR_IDX_KAYN            = 1,
+        CONVO_ACTOR_IDX_KORVAS          = 2,
+    };
+
+    enum TheInvasionBeginsEventData
+    {
+        EVENT_ILLIDARI_FACE_PLAYERS     = 1,
+        EVENT_ILLIDARI_START_PATH
+    };
+
+    void OnConversationCreate(Conversation* conversation, Unit* creator) override
+    {
+        Creature* kaynObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_KAYN_SUNFURY_INVASION_BEGINS, .IgnorePhases = true });
+        Creature* jayceObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_JAYCE_DARKWEAVER_INVASION_BEGINS, .IgnorePhases = true });
+        Creature* allariaObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_ALLARI_THE_SOULEATER_INVASION_BEGINS, .IgnorePhases = true });
+        Creature* cyanaObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_CYANA_NIGHTGLAIVE_INVASION_BEGINS, .IgnorePhases = true });
+        Creature* korvasObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_KORVAS_BLOODTHORN_INVASION_BEGINS, .IgnorePhases = true });
+        Creature* sevisObject = GetClosestCreatureWithOptions(creator, 10.0f, { .CreatureId = NPC_SEVIS_BRIGHTFLAME_INVASION_BEGINS, .IgnorePhases = true });
+        if (!kaynObject || !jayceObject || !allariaObject || !cyanaObject || !korvasObject || !sevisObject)
+            return;
+
+        TempSummon* kaynClone = kaynObject->SummonPersonalClone(kaynObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        TempSummon* jayceClone = jayceObject->SummonPersonalClone(jayceObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        TempSummon* allariaClone = allariaObject->SummonPersonalClone(allariaObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        TempSummon* cyanaClone = cyanaObject->SummonPersonalClone(cyanaObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        TempSummon* korvasClone = korvasObject->SummonPersonalClone(korvasObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        TempSummon* sevisClone = sevisObject->SummonPersonalClone(sevisObject->GetPosition(), TEMPSUMMON_MANUAL_DESPAWN, 0s, 0, 0, creator->ToPlayer());
+        if (!kaynClone || !jayceClone || !allariaClone || !cyanaClone || !korvasClone || !sevisClone)
+            return;
+
+        _jayceGUID = jayceClone->GetGUID();
+        _allariGUID = allariaClone->GetGUID();
+        _cyanaGUID = cyanaClone->GetGUID();
+        _sevisGUID = sevisClone->GetGUID();
+        allariaClone->SetAIAnimKitId(ANIM_DH_RUN_ALLARI);
+        kaynClone->RemoveNpcFlag(NPCFlags(UNIT_NPC_FLAG_GOSSIP | UNIT_NPC_FLAG_QUESTGIVER));
+
+        conversation->AddActor(CONVO_THE_INVASION_BEGINS, CONVO_ACTOR_IDX_KAYN, kaynClone->GetGUID());
+        conversation->AddActor(CONVO_THE_INVASION_BEGINS, CONVO_ACTOR_IDX_KORVAS, korvasClone->GetGUID());
+        conversation->Start();
+    }
+
+    void OnConversationStart(Conversation* conversation) override
+    {
+        LocaleConstant privateOwnerLocale = conversation->GetPrivateObjectOwnerLocale();
+
+        if (Milliseconds const* illidariFacingLineStarted = conversation->GetLineStartTime(privateOwnerLocale, CONVO_LINE_TRIGGER_FACING))
+            _events.ScheduleEvent(EVENT_ILLIDARI_FACE_PLAYERS, *illidariFacingLineStarted);
+
+        if (Milliseconds const* illidariStartPathLineStarted = conversation->GetLineStartTime(privateOwnerLocale, CONVO_LINE_START_PATH))
+            _events.ScheduleEvent(EVENT_ILLIDARI_START_PATH, *illidariStartPathLineStarted);
+    }
+
+    static void StartCloneChannel(ObjectGuid guid, Conversation* conversation)
+    {
+        Unit* privateObjectOwner = ObjectAccessor::GetUnit(*conversation, conversation->GetPrivateObjectOwner());
+        if (!privateObjectOwner)
+            return;
+
+        Creature* clone = ObjectAccessor::GetCreature(*conversation, guid);
+        if (!clone)
+            return;
+
+        clone->CastSpell(privateObjectOwner, SPELL_TRACK_TARGET_IN_CHANNEL, false);
+    }
+
+    static void StartCloneMovement(ObjectGuid cloneGUID, uint32 pathId, uint32 animKit, Conversation* conversation)
+    {
+        Creature* clone = ObjectAccessor::GetCreature(*conversation, cloneGUID);
+        if (!clone)
+            return;
+
+        clone->InterruptNonMeleeSpells(true);
+        clone->GetMotionMaster()->MovePath(pathId, false);
+        if (animKit)
+            clone->SetAIAnimKitId(animKit);
+    }
+
+    void OnConversationUpdate(Conversation* conversation, uint32 diff) override
+    {
+        _events.Update(diff);
+
+        switch (_events.ExecuteEvent())
+        {
+            case EVENT_ILLIDARI_FACE_PLAYERS:
+            {
+                StartCloneChannel(conversation->GetActorUnit(CONVO_ACTOR_IDX_KAYN)->GetGUID(), conversation);
+                StartCloneChannel(conversation->GetActorUnit(CONVO_ACTOR_IDX_KORVAS)->GetGUID(), conversation);
+                StartCloneChannel(_jayceGUID, conversation);
+                StartCloneChannel(_allariGUID, conversation);
+                StartCloneChannel(_cyanaGUID, conversation);
+                StartCloneChannel(_sevisGUID, conversation);
+                break;
+            }
+            case EVENT_ILLIDARI_START_PATH:
+            {
+                Creature* kaynClone = conversation->GetActorCreature(CONVO_ACTOR_IDX_KAYN);
+                if (!kaynClone)
+                    break;
+
+                Unit* privateObjectOwner = ObjectAccessor::GetUnit(*conversation, conversation->GetPrivateObjectOwner());
+                if (!privateObjectOwner)
+                    return;
+
+                Player* player = privateObjectOwner->ToPlayer();
+                if (!player)
+                    return;
+
+                kaynClone->PlayObjectSound(SOUND_METAL_WEAPON_UNSHEATH, kaynClone->GetGUID(), player);
+                kaynClone->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_KAYN_GLIDE, 4, 3000);
+                kaynClone->SendPlaySpellVisualKit(SPELL_VISUAL_KIT_KAYN_WINGS, 4, 4000);
+                kaynClone->GetMotionMaster()->MoveJumpWithGravity(KaynJumpPos, 20.5f, 396.3535f, POINT_KAYN_TRIGGER_DOUBLE_JUMP);
+                kaynClone->SetSheath(SHEATH_STATE_MELEE);
+                kaynClone->SetNpcFlag(UNIT_NPC_FLAG_QUESTGIVER);
+
+                StartCloneMovement(conversation->GetActorUnit(CONVO_ACTOR_IDX_KORVAS)->GetGUID(), PATH_KORVAS_INVASION_BEGINS, ANIM_DH_RUN, conversation);
+                StartCloneMovement(_jayceGUID, PATH_JAYCE_INVASION_BEGINS, 0, conversation);
+                StartCloneMovement(_allariGUID, PATH_ALLARI_INVASION_BEGINS, ANIM_DH_RUN_ALLARI, conversation);
+                StartCloneMovement(_cyanaGUID, PATH_CYANA_INVASION_BEGINS, 0, conversation);
+                StartCloneMovement(_sevisGUID, PATH_SEVIS_INVASION_BEGINS, ANIM_DH_RUN, conversation);
+                break;
+            }
+            default:
+                break;
+        }
+    }
+
+private:
+    ObjectGuid _jayceGUID;
+    ObjectGuid _allariGUID;
+    ObjectGuid _cyanaGUID;
+    ObjectGuid _sevisGUID;
+    EventMap _events;
+};
+
+// 98459 - Kayn Sunfury
+// 98458 - Jayce Darkweaver
+// 98456 - Allari the Souleater
+// 98460 - Korvas Bloodthorn
+// 99919 - Sevis Brightflame
+// 98457 - Cyana Nightglaive
+struct npc_illidari_fighting_invasion_begins : public ScriptedAI
+{
+    npc_illidari_fighting_invasion_begins(Creature* creature) : ScriptedAI(creature) { }
+
+    enum IllidariFightingSpells
+    {
+        SPELL_ILLIDARI_CHAOS_STRIKE = 197639,
+        SPELL_ILLIDARI_FEL_RUSH = 200879,
+    };
+
+    enum IllidariFightingEvents
+    {
+        EVENT_CHAOS_STRIKE = 1,
+        EVENT_FEL_RUSH
+    };
+
+    Unit* GetNextTarget()
+    {
+        std::list<Unit*> targetList;
+        Trinity::AnyUnfriendlyUnitInObjectRangeCheck checker(me, me, 100.0f);
+        Trinity::UnitListSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck> searcher(me, targetList, checker);
+        Cell::VisitAllObjects(me, searcher, 100.0f);
+        targetList.remove_if([](Unit* possibleTarget)
+        {
+            return possibleTarget->isAttackingPlayer();
+        });
+        return Trinity::Containers::SelectRandomContainerElement(targetList);
+    }
+
+    void ScheduleTargetSelection()
+    {
+        _oocScheduler.Schedule(200ms, [this](TaskContext context)
+        {
+            Unit* target = GetNextTarget();
+            if (!target)
+            {
+                context.Repeat(500ms);
+                return;
+            }
+            AttackStart(target);
+        });
+    }
+
+    void JustAppeared() override
+    {
+        ScheduleTargetSelection();
+    }
+
+    void Reset() override
+    {
+        _events.Reset();
+    }
+
+    void JustEngagedWith(Unit* /*who*/) override
+    {
+        _events.ScheduleEvent(EVENT_CHAOS_STRIKE, 5s);
+        _events.ScheduleEvent(EVENT_FEL_RUSH, 7s);
+    }
+
+    void EnterEvadeMode(EvadeReason why) override
+    {
+        // manualling calling it to not move to home position but move to next target instead
+        _EnterEvadeMode(why);
+        Reset();
+        ScheduleTargetSelection();
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!UpdateVictim())
+        {
+            _oocScheduler.Update(diff);
+            return;
+        }
+
+        _events.Update(diff);
+
+        if (me->HasUnitState(UNIT_STATE_CASTING))
+            return;
+
+        switch (_events.ExecuteEvent())
+        {
+            case EVENT_CHAOS_STRIKE:
+                DoCastVictim(SPELL_ILLIDARI_CHAOS_STRIKE);
+                _events.ScheduleEvent(EVENT_CHAOS_STRIKE, 5s);
+                break;
+            case EVENT_FEL_RUSH:
+                DoCastVictim(SPELL_ILLIDARI_FEL_RUSH);
+                _events.ScheduleEvent(SPELL_ILLIDARI_FEL_RUSH, 7s);
+                break;
+            default:
+                break;
+        }
+
+        DoMeleeAttackIfReady();
+    }
+
+private:
+    EventMap _events;
+    TaskScheduler _oocScheduler;
+};
+
 void AddSC_zone_mardum()
 {
+    // Creature
+    RegisterCreatureAI(npc_kayn_sunfury_invasion_begins);
+    RegisterCreatureAI(npc_jayce_darkweaver_invasion_begins);
+    RegisterCreatureAI(npc_allari_the_souleater_invasion_begins);
+    RegisterCreatureAI(npc_korvas_bloodthorn_invasion_begins);
+    RegisterCreatureAI(npc_sevis_brightflame_invasion_begins);
+    RegisterCreatureAI(npc_cyana_nightglaive_invasion_begins);
+    RegisterCreatureAI(npc_illidari_fighting_invasion_begins);
+
+    // Conversation
+    new conversation_the_invasion_begins();
+
     // Scene
     new scene_demonhunter_intro();