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 BlackTempleSpells
{
    // 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 BlackTempleCreatures
{
    NPC_BLOOD_MAGE               = 22945,
    NPC_DEATHSHAPER              = 22882
};
 
enum BlackTempleEvents
{
    // Wrathbone Flayer
    EVENT_GET_CHANNELERS = 1,
    EVENT_SET_CHANNELERS,
    EVENT_CLEAVE,
    EVENT_IGNORED
};
 
enum BlackTempleMisc
{
    GROUP_OUT_OF_COMBAT = 1
};
 
// 22953 - Wrathbone Flayer
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.Repeat(12s);
 
                        break;
                    }
                    default:
                        break;
                }
            }
        }
 
        if (!UpdateVictim())
            return;
 
        _events.Update(diff);
 
        while (uint32 eventId = _events.ExecuteEvent())
        {
            switch (eventId)
            {
                case EVENT_CLEAVE:
                    DoCastVictim(SPELL_CLEAVE);
                    _events.Repeat(1s, 2s);
                    break;
                case EVENT_IGNORED:
                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
                        DoCast(target, SPELL_IGNORED);
                    _events.Repeat(10s);
                    break;
                default:
                    break;
            }
        }
    }
 
private:
    InstanceScript* _instance;
    EventMap _events;
    GuidList _bloodmageList;
    GuidList _deathshaperList;
    bool _enteredCombat;
};
 
// 23398 - Angered Soul Fragment
struct npc_angered_soul_fragment : public ScriptedAI
{
    npc_angered_soul_fragment(Creature* creature) : ScriptedAI(creature) { }
 
    void Reset() override
    {
        _scheduler.CancelAll();
 
        _scheduler.Schedule(1s, 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(5s, 10s, GROUP_OUT_OF_COMBAT, [this](TaskContext const& /*context*/)
            {
                me->RemoveAurasDueToSpell(SPELL_GREATER_INVISIBILITY);
            });
 
            invi.Repeat(15s, 25s);
        });
    }
 
    void JustEngagedWith(Unit* /*who*/) override
    {
        me->RemoveAurasDueToSpell(SPELL_GREATER_INVISIBILITY);
 
        _scheduler.CancelGroup(GROUP_OUT_OF_COMBAT);
        _scheduler.Schedule(1s, [this](TaskContext& anger)
        {
            Unit* target = me->GetVictim();
            if (target && me->IsWithinMeleeRange(target))
                DoCastSelf(SPELL_ANGER);
            else
                anger.Repeat(1s);
        });
    }
 
    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();
        SpellEffectValue 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);
}