black_temple.cpp

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/*
 * 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 "black_temple.h"
#include "ObjectAccessor.h"
#include "ScriptedCreature.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
 
enum Spells
{
 // Wrathbone Flayer
 SPELL_CLEAVE = 15496,
 SPELL_IGNORED = 39544,
 SPELL_SUMMON_CHANNEL = 40094,
 
 // Angered Soul Fragment
 SPELL_GREATER_INVISIBILITY = 41253,
 SPELL_ANGER = 41986,
 
 // Illidari Nightlord
 SPELL_SHADOW_INFERNO_DAMAGE = 39646
};
 
enum Creatures
{
 NPC_BLOOD_MAGE = 22945,
 NPC_DEATHSHAPER = 22882
};
 
enum Events
{
 // Wrathbone Flayer
 EVENT_GET_CHANNELERS = 1,
 EVENT_SET_CHANNELERS,
 EVENT_CLEAVE,
 EVENT_IGNORED
};
 
enum Misc
{
 GROUP_OUT_OF_COMBAT = 1
};
 
struct npc_wrathbone_flayer : public ScriptedAI
{
 npc_wrathbone_flayer(Creature* creature) : ScriptedAI(creature)
 {
 Initialize();
 _instance = creature->GetInstanceScript();
 }
 
 void Initialize()
 {
 _enteredCombat = false;
 }
 
 void Reset() override
 {
 _events.ScheduleEvent(EVENT_GET_CHANNELERS, 3s);
 Initialize();
 _bloodmageList.clear();
 _deathshaperList.clear();
 }
 
 void JustDied(Unit* /*killer*/) override { }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 _events.ScheduleEvent(EVENT_CLEAVE, 5s);
 _events.ScheduleEvent(EVENT_IGNORED, 7s);
 _enteredCombat = true;
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!_enteredCombat)
 {
 _events.Update(diff);
 
 while (uint32 eventId = _events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_GET_CHANNELERS:
 {
 std::list<Creature*> BloodMageList;
 me->GetCreatureListWithEntryInGrid(BloodMageList, NPC_BLOOD_MAGE, 15.0f);
 
 if (!BloodMageList.empty())
 for (std::list<Creature*>::const_iterator itr = BloodMageList.begin(); itr != BloodMageList.end(); ++itr)
 {
 _bloodmageList.push_back((*itr)->GetGUID());
 if ((*itr)->isDead())
 (*itr)->Respawn();
 }
 
 std::list<Creature*> DeathShaperList;
 me->GetCreatureListWithEntryInGrid(DeathShaperList, NPC_DEATHSHAPER, 15.0f);
 
 if (!DeathShaperList.empty())
 for (std::list<Creature*>::const_iterator itr = DeathShaperList.begin(); itr != DeathShaperList.end(); ++itr)
 {
 _deathshaperList.push_back((*itr)->GetGUID());
 if ((*itr)->isDead())
 (*itr)->Respawn();
 }
 
 _events.ScheduleEvent(EVENT_SET_CHANNELERS, 3s);
 
 break;
 }
 case EVENT_SET_CHANNELERS:
 {
 for (ObjectGuid guid : _bloodmageList)
 if (Creature* bloodmage = ObjectAccessor::GetCreature(*me, guid))
 bloodmage->CastSpell(nullptr, SPELL_SUMMON_CHANNEL);
 
 for (ObjectGuid guid : _deathshaperList)
 if (Creature* deathshaper = ObjectAccessor::GetCreature(*me, guid))
 deathshaper->CastSpell(nullptr, SPELL_SUMMON_CHANNEL);
 
 _events.ScheduleEvent(EVENT_SET_CHANNELERS, 12s);
 
 break;
 }
 default:
 break;
 }
 }
 }
 
 if (!UpdateVictim())
 return;
 
 _events.Update(diff);
 
 while (uint32 eventId = _events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_CLEAVE:
 DoCastVictim(SPELL_CLEAVE);
 _events.ScheduleEvent(EVENT_CLEAVE, 1s, 2s);
 break;
 case EVENT_IGNORED:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_IGNORED);
 _events.ScheduleEvent(EVENT_IGNORED, 10s);
 break;
 default:
 break;
 }
 }
 }
 
private:
 InstanceScript* _instance;
 EventMap _events;
 GuidList _bloodmageList;
 GuidList _deathshaperList;
 bool _enteredCombat;
};
 
struct npc_angered_soul_fragment : public ScriptedAI
{
 npc_angered_soul_fragment(Creature* creature) : ScriptedAI(creature) { }
 
 void Reset() override
 {
 _scheduler.CancelAll();
 
 _scheduler.Schedule(Seconds(1), GROUP_OUT_OF_COMBAT, [this](TaskContext invi)
 {
 DoCastSelf(SPELL_GREATER_INVISIBILITY);
 
 /* Workaround - On Retail creature appear and "vanish" again periodically, but i cant find packets
 with UPDATE_AURA on sniffs about it */
 _scheduler.Schedule(Seconds(5), Seconds(10), GROUP_OUT_OF_COMBAT, [this](TaskContext /*context*/)
 {
 me->RemoveAurasDueToSpell(SPELL_GREATER_INVISIBILITY);
 });
 
 invi.Repeat(Seconds(15), Seconds(25));
 });
 }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 me->RemoveAurasDueToSpell(SPELL_GREATER_INVISIBILITY);
 
 _scheduler.CancelGroup(GROUP_OUT_OF_COMBAT);
 _scheduler.Schedule(Seconds(1), [this](TaskContext anger)
 {
 Unit* target = me->GetVictim();
 if (target && me->IsWithinMeleeRange(target))
 DoCastSelf(SPELL_ANGER);
 else
 anger.Repeat(Seconds(1));
 });
 }
 
 void UpdateAI(uint32 diff) override
 {
 _scheduler.Update(diff);
 
 if (!UpdateVictim())
 return;
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 
private:
 TaskScheduler _scheduler;
};
 
// 41986 - Anger
class spell_soul_fragment_anger : public SpellScript
{
 void HandleKill()
 {
 if (Creature* caster = GetCaster()->ToCreature())
 caster->DespawnOrUnsummon(Milliseconds(200));
 }
 
 void Register() override
 {
 AfterCast += SpellCastFn(spell_soul_fragment_anger::HandleKill);
 }
};
 
// 39645 - Shadow Inferno
class spell_illidari_nightlord_shadow_inferno : public AuraScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_SHADOW_INFERNO_DAMAGE });
 }
 
 void OnPeriodic(AuraEffect const* aurEffect)
 {
 PreventDefaultAction();
 int32 bp = aurEffect->GetTickNumber() * aurEffect->GetAmount();
 GetUnitOwner()->CastSpell(GetUnitOwner(), SPELL_SHADOW_INFERNO_DAMAGE, CastSpellExtraArgs(TRIGGERED_FULL_MASK).AddSpellBP0(bp));
 }
 
 void Register() override
 {
 OnEffectPeriodic += AuraEffectPeriodicFn(spell_illidari_nightlord_shadow_inferno::OnPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
 }
};
 
void AddSC_black_temple()
{
 RegisterBlackTempleCreatureAI(npc_wrathbone_flayer);
 RegisterBlackTempleCreatureAI(npc_angered_soul_fragment);
 RegisterSpellScript(spell_soul_fragment_anger);
 RegisterSpellScript(spell_illidari_nightlord_shadow_inferno);
}