Scripts/Anniversary: Implement Lord Kazzak encounter (#30606)

2 files changed, 269 insertions, 0 deletions

diff --git a/src/server/scripts/Events/Anniversary/boss_lord_kazzak_anniversary.cpp b/src/server/scripts/Events/Anniversary/boss_lord_kazzak_anniversary.cpp
new file mode 100644
index 00000000000..2d6ce843cd1
--- /dev/null
+++ b/src/server/scripts/Events/Anniversary/boss_lord_kazzak_anniversary.cpp
@@ -0,0 +1,267 @@
+/*
+ * 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 "ScriptMgr.h"
+#include "GridNotifiers.h"
+#include "ScriptedCreature.h"
+#include "SpellAuras.h"
+#include "SpellScript.h"
+
+enum LordKazzakSpells
+{
+    SPELL_MARK_OF_KAZZAK_SELECTOR  = 243737,
+    SPELL_MARK_OF_KAZZAK_PERIODIC  = 243723,
+    SPELL_MARK_OF_KAZZAK_DAMAGE    = 243725,
+    SPELL_MARK_OF_KAZZAK_EXPLOSION = 243726,
+    SPELL_VOID_BOLT                = 243713,
+    SPELL_THUNDERCLAP              = 243715,
+    SPELL_SHADOW_BOLT_VOLLEY       = 243712,
+    SPELL_FRENZY                   = 156598
+};
+
+enum LordKazzakTexts
+{
+    SAY_AGGRO       = 0,
+    SAY_KILL        = 1,
+    SAY_FRENZY      = 2
+};
+
+enum LordKazzakEvents
+{
+    EVENT_MARK_OF_KAZZAK = 1,
+    EVENT_VOID_BOLT,
+    EVENT_THUNDERCLAP,
+    EVENT_SHADOW_BOLT_VOLLEY
+};
+
+// 121818 - Lord Kazzak
+struct boss_lord_kazzak_anniversary : public WorldBossAI
+{
+    boss_lord_kazzak_anniversary(Creature* creature) : WorldBossAI(creature), _frenzyTriggered(false) { }
+
+    void JustAppeared() override
+    {
+        Talk(SAY_FRENZY);
+    }
+
+    void Reset() override
+    {
+        WorldBossAI::Reset();
+        _frenzyTriggered = false;
+    }
+
+    void KilledUnit(Unit* victim) override
+    {
+        if (victim->IsPlayer())
+            Talk(SAY_KILL, victim);
+    }
+
+    void JustEngagedWith(Unit* who) override
+    {
+        WorldBossAI::JustEngagedWith(who);
+        Talk(SAY_AGGRO);
+
+        events.ScheduleEvent(EVENT_MARK_OF_KAZZAK, 9s);
+        events.ScheduleEvent(EVENT_VOID_BOLT, 16400ms);
+        events.ScheduleEvent(EVENT_THUNDERCLAP, 11s);
+        events.ScheduleEvent(EVENT_SHADOW_BOLT_VOLLEY, 1min + 50s, 1min + 55s);
+    }
+
+    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damageType*/, SpellInfo const* /*spellInfo*/) override
+    {
+        if (!_frenzyTriggered && me->HealthBelowPctDamaged(30, damage))
+        {
+            _frenzyTriggered = true;
+            Talk(SAY_FRENZY);
+            DoCastSelf(SPELL_FRENZY);
+        }
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!UpdateVictim())
+            return;
+
+        events.Update(diff);
+
+        if (me->HasUnitState(UNIT_STATE_CASTING))
+            return;
+
+        while (uint32 eventId = events.ExecuteEvent())
+        {
+            switch (eventId)
+            {
+                case EVENT_MARK_OF_KAZZAK:
+                {
+                    DoCast(SPELL_MARK_OF_KAZZAK_SELECTOR);
+                    events.ScheduleEvent(EVENT_MARK_OF_KAZZAK, 21s, 23s);
+                    break;
+                }
+                case EVENT_VOID_BOLT:
+                {
+                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 0.0f, true))
+                        DoCast(target, SPELL_VOID_BOLT);
+                    events.ScheduleEvent(EVENT_VOID_BOLT, 20s, 23s);
+                    break;
+                }
+                case EVENT_THUNDERCLAP:
+                {
+                    DoCast(SPELL_THUNDERCLAP);
+                    events.ScheduleEvent(EVENT_THUNDERCLAP, 25700ms);
+                    break;
+                }
+                case EVENT_SHADOW_BOLT_VOLLEY:
+                {
+                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 0.0f, true))
+                        DoCast(target, SPELL_SHADOW_BOLT_VOLLEY);
+                    events.ScheduleEvent(EVENT_SHADOW_BOLT_VOLLEY, 1min + 50s, 1min + 55s);
+                    break;
+                }
+                default:
+                    break;
+            }
+
+            if (me->HasUnitState(UNIT_STATE_CASTING))
+                return;
+        }
+    }
+
+private:
+    bool _frenzyTriggered;
+};
+
+// 243737 - Mark of Kazzak
+class spell_lord_kazzak_mark_of_kazzak_selector : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_MARK_OF_KAZZAK_PERIODIC });
+    }
+
+    void HandleDummy(SpellEffIndex /*effIndex*/) const
+    {
+        GetCaster()->CastSpell(GetHitUnit(), SPELL_MARK_OF_KAZZAK_PERIODIC, CastSpellExtraArgsInit{
+            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+            .TriggeringSpell = GetSpell()
+        });
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_lord_kazzak_mark_of_kazzak_selector::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 243723 - Mark of Kazzak
+class spell_lord_kazzak_mark_of_kazzak_periodic : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_MARK_OF_KAZZAK_DAMAGE, SPELL_MARK_OF_KAZZAK_EXPLOSION });
+    }
+
+    void HandlePeriodic(AuraEffect const* aurEff) const
+    {
+        if (Unit* caster = GetCaster())
+        {
+            caster->CastSpell(GetTarget(), SPELL_MARK_OF_KAZZAK_DAMAGE, CastSpellExtraArgsInit{
+                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+                .TriggeringAura = aurEff
+            });
+        }
+    }
+
+    void OnRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
+    {
+        if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_DEATH && GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
+            return;
+
+        if (Unit* caster = GetCaster())
+        {
+            caster->CastSpell(GetTarget(), SPELL_MARK_OF_KAZZAK_EXPLOSION, CastSpellExtraArgsInit{
+                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+                .TriggeringAura = aurEff,
+                .CustomArg = GetTarget()->GetGUID()
+            });
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_lord_kazzak_mark_of_kazzak_periodic::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
+        AfterEffectRemove += AuraEffectRemoveFn(spell_lord_kazzak_mark_of_kazzak_periodic::OnRemove, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
+// 243726 - Mark of Kazzak
+class spell_lord_kazzak_mark_of_kazzak_explosion : public SpellScript
+{
+    void FilterTargets(std::list<WorldObject*>& targets) const
+    {
+        ObjectGuid const* explosionTargetGUID = std::any_cast<ObjectGuid>(&GetSpell()->m_customArg);
+        if (!explosionTargetGUID)
+            return;
+
+        targets.remove_if([explosionTargetGUID](WorldObject const* target) -> bool
+        {
+            return target->GetGUID() == *explosionTargetGUID;
+        });
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_lord_kazzak_mark_of_kazzak_explosion::FilterTargets, EFFECT_1, TARGET_UNIT_DEST_AREA_ENEMY);
+    }
+};
+
+// 243715 - Thunderclap
+class spell_lord_kazzak_thunderclap : public SpellScript
+{
+    void HandleAfterHit() const
+    {
+        if (Aura* aura = GetHitAura())
+            aura->SetStackAmount(static_cast<uint8>(GetSpellInfo()->StackAmount));
+    }
+
+    void Register() override
+    {
+        AfterHit += SpellHitFn(spell_lord_kazzak_thunderclap::HandleAfterHit);
+    }
+};
+
+// 243715 - Thunderclap
+class spell_lord_kazzak_thunderclap_aura : public AuraScript
+{
+    void HandlePeriodic(AuraEffect const* /*aurEff*/)
+    {
+        ModStackAmount(-1);
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_lord_kazzak_thunderclap_aura::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
+    }
+};
+
+void AddSC_boss_lord_kazzak_anniversary()
+{
+    RegisterCreatureAI(boss_lord_kazzak_anniversary);
+    RegisterSpellScript(spell_lord_kazzak_mark_of_kazzak_selector);
+    RegisterSpellScript(spell_lord_kazzak_mark_of_kazzak_periodic);
+    RegisterSpellScript(spell_lord_kazzak_mark_of_kazzak_explosion);
+    RegisterSpellAndAuraScriptPair(spell_lord_kazzak_thunderclap, spell_lord_kazzak_thunderclap_aura);
+}
diff --git a/src/server/scripts/Events/events_script_loader.cpp b/src/server/scripts/Events/events_script_loader.cpp
index 149e816ecba..b41f4554603 100644
--- a/src/server/scripts/Events/events_script_loader.cpp
+++ b/src/server/scripts/Events/events_script_loader.cpp
@@ -31,6 +31,7 @@ void AddSC_event_zalazane_fall();
 
 // Anniversary
 void AddSC_boss_doomwalker_anniversary();
+void AddSC_boss_lord_kazzak_anniversary();
 
 // The name of this function should match:
 // void Add${NameOfDirectory}Scripts()
@@ -51,4 +52,5 @@ void AddEventsScripts()
 
     // Anniversary
     AddSC_boss_doomwalker_anniversary();
+    AddSC_boss_lord_kazzak_anniversary();
 }