From 23a420acbb7c250da9d56f9e2baed0b8dc22ae4f Mon Sep 17 00:00:00 2001
From: Timothy Vaccarelli <tim@vaccarelli.net>
Date: Sat, 5 Aug 2023 21:17:26 -0400
Subject: [PATCH] =?UTF-8?q?fix(Script/Quest):=20Arelion's=20Secret.=20Add?=
 =?UTF-8?q?=20combat=20sequence=20to=20Magister=20=E2=80=A6=20(#15878)?=
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* fix(Script/Quest): Arelion's Secret. Add combat sequence to Magister Aledis

Co-authored-by: SnapperRy

* Use single quotes for SQL

* Update based on review comments

Co-authored-by: SnapperRy <snapperryen@gmail.com>
---
 .../rev_1680898252288480968.sql               |   9 ++
 .../Outland/zone_hellfire_peninsula.cpp       | 109 ++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 data/sql/updates/pending_db_world/rev_1680898252288480968.sql

diff --git a/data/sql/updates/pending_db_world/rev_1680898252288480968.sql b/data/sql/updates/pending_db_world/rev_1680898252288480968.sql
new file mode 100644
index 000000000..a83bbeb9e
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1680898252288480968.sql
@@ -0,0 +1,9 @@
+--
+UPDATE `creature_template` SET `ScriptName` = 'npc_magister_aledis' WHERE `entry` = 20159;
+
+-- Gossip to start combat vs event completion and quest reward
+UPDATE `conditions` SET `ConditionTypeOrReference`=28, `Comment`='Show gossip option 0 if player has quest Arelion\'s Secret completed OR' WHERE `SourceGroup`=8081 AND `ElseGroup`=0;
+
+DELETE FROM `conditions` WHERE `SourceGroup`=8081 AND `ElseGroup`=1;
+INSERT INTO `conditions` (`SourceTypeOrReferenceId`, `SourceGroup`, `SourceEntry`, `SourceId`, `ElseGroup`, `ConditionTypeOrReference`, `ConditionTarget`, `ConditionValue1`, `ConditionValue2`, `ConditionValue3`, `NegativeCondition`, `ErrorType`, `ErrorTextId`, `ScriptName`, `Comment`) VALUES
+(15, 8081, 0, 0, 1, 8, 0, 10286, 0, 0, 0, 0, 0, '', 'Show gossip option 0 if player has quest Arelion\'s Secret rewarded');
diff --git a/src/server/scripts/Outland/zone_hellfire_peninsula.cpp b/src/server/scripts/Outland/zone_hellfire_peninsula.cpp
index 76d65a417..1f97aee7f 100644
--- a/src/server/scripts/Outland/zone_hellfire_peninsula.cpp
+++ b/src/server/scripts/Outland/zone_hellfire_peninsula.cpp
@@ -397,6 +397,113 @@ public:
     }
 };
 
+enum Aledis
+{
+    SAY_CHALLENGE = 0,
+    SAY_DEFEATED = 1,
+    EVENT_TALK = 1,
+    EVENT_ATTACK = 2,
+    EVENT_EVADE = 3,
+    EVENT_FIREBALL = 4,
+    EVENT_FROSTNOVA = 5,
+    SPELL_FIREBALL = 20823,
+    SPELL_FROSTNOVA = 11831,
+};
+
+struct npc_magister_aledis : public ScriptedAI
+{
+    npc_magister_aledis(Creature* creature) : ScriptedAI(creature) { }
+
+    void StartFight(Player* player)
+    {
+        me->Dismount();
+        me->SetFacingToObject(player);
+        me->RemoveNpcFlag(UNIT_NPC_FLAG_GOSSIP);
+        _playerGUID = player->GetGUID();
+        _events.ScheduleEvent(EVENT_TALK, 2s);
+    }
+
+    void Reset() override
+    {
+        me->RestoreFaction();
+        me->RemoveNpcFlag(UNIT_NPC_FLAG_QUESTGIVER);
+        me->SetNpcFlag(UNIT_NPC_FLAG_GOSSIP);
+        me->SetImmuneToPC(true);
+    }
+
+    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damageType*/, SpellSchoolMask /*spellInfo = nullptr*/) override
+    {
+        if (damage > me->GetHealth() || me->HealthBelowPctDamaged(20, damage))
+        {
+            damage = 0;
+
+            _events.Reset();
+            me->RestoreFaction();
+            me->RemoveAllAuras();
+            me->GetThreatMgr().ClearAllThreat();
+            me->CombatStop(true);
+            me->SetNpcFlag(UNIT_NPC_FLAG_QUESTGIVER);
+            me->SetImmuneToPC(true);
+            Talk(SAY_DEFEATED);
+
+            _events.ScheduleEvent(EVENT_EVADE, 1min);
+        }
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        _events.Update(diff);
+
+        while (uint32 eventId = _events.ExecuteEvent())
+        {
+            switch (eventId)
+            {
+                case EVENT_TALK:
+                    Talk(SAY_CHALLENGE);
+                    _events.ScheduleEvent(EVENT_ATTACK, 2s);
+                    break;
+                case EVENT_ATTACK:
+                    me->SetImmuneToPC(false);
+                    me->SetFaction(FACTION_MONSTER);
+                    if (Player* player = ObjectAccessor::GetPlayer(*me, _playerGUID))
+                    {
+                        AttackStart(player);
+                    }
+                    _events.ScheduleEvent(EVENT_FIREBALL, 1ms);
+                    _events.ScheduleEvent(EVENT_FROSTNOVA, 5s);
+                    break;
+                case EVENT_FIREBALL:
+                    DoCast(SPELL_FIREBALL);
+                    _events.ScheduleEvent(EVENT_FIREBALL, 10s);
+                    break;
+                case EVENT_FROSTNOVA:
+                    DoCastAOE(SPELL_FROSTNOVA);
+                    _events.ScheduleEvent(EVENT_FROSTNOVA, 20s);
+                    break;
+                case EVENT_EVADE:
+                    EnterEvadeMode();
+                    break;
+            }
+        }
+
+        if (UpdateVictim())
+        {
+            DoMeleeAttackIfReady();
+        }
+    }
+
+    void sGossipSelect(Player* player, uint32 /*sender*/, uint32 /*action*/) override
+    {
+        CloseGossipMenuFor(player);
+        me->StopMoving();
+        StartFight(player);
+    }
+
+private:
+    EventMap _events;
+    ObjectGuid _playerGUID;
+};
+
 enum Beacon
 {
     NPC_STONESCHYE_WHELP        = 16927,
@@ -464,4 +571,6 @@ void AddSC_hellfire_peninsula()
     new npc_wounded_blood_elf();
     new npc_fel_guard_hound();
     new go_beacon();
+
+    RegisterCreatureAI(npc_magister_aledis);
 }