boss_mandokir.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 "zulgurub.h"
#include "Containers.h"
#include "GridNotifiers.h"
#include "InstanceScript.h"
#include "ObjectAccessor.h"
#include "MotionMaster.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "ScriptMgr.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
 
enum Yells
{
    SAY_AGGRO                   = 0,
    SAY_PLAYER_KILL             = 1,
    SAY_DISMOUNT_OHGAN          = 2,
    EMOTE_DEVASTATING_SLAM      = 3,
    SAY_REANIMATE_OHGAN         = 4,
    EMOTE_FRENZY                = 5,
    SAY_FRENZY                  = 6,
    SAY_DEATH                   = 7
};
 
enum Spells
{
    // Bloodlord Mandokir
    SPELL_BLOODLORD_AURA            = 96480,
    SPELL_SUMMON_OHGAN              = 96717,
    SPELL_REANIMATE_OHGAN           = 96724,
    SPELL_DECAPITATE                = 96682,
    SPELL_BLOODLETTING              = 96776,
    SPELL_BLOODLETTING_DAMAGE       = 96777,
    SPELL_BLOODLETTING_HEAL         = 96778,
    SPELL_FRENZY                    = 96800,
    SPELL_LEVEL_UP                  = 96662,
    SPELL_DEVASTATING_SLAM          = 96740,
    SPELL_DEVASTATING_SLAM_TRIGGER  = 96761,
    SPELL_DEVASTATING_SLAM_DAMAGE   = 97385,
    SPELL_SPIRIT_VENGEANCE_CANCEL   = 96821,
 
    // Chained Spirit
    SPELL_REVIVE                    = 96484,
 
    // Ohgan
    SPELL_OHGAN_HEART_VISUAL        = 96727,
    SPELL_PERMANENT_FEIGN_DEATH     = 96733,
    SPELL_CLEAR_ALL                 = 28471,
    SPELL_OHGAN_ORDERS              = 96721,
    SPELL_OHGAN_ORDERS_TRIGGER      = 96722
};
 
enum Events
{
    // Bloodlord Mandokir
    EVENT_SUMMON_OHGAN              = 1,
    EVENT_DECAPITATE                = 2,
    EVENT_BLOODLETTING              = 3,
    EVENT_REANIMATE_OHGAN           = 4,
    EVENT_REANIMATE_OHGAN_COOLDOWN  = 5,
    EVENT_DEVASTATING_SLAM          = 6
};
 
enum Action
{
    // Bloodlord Mandokir
    ACTION_OHGAN_IS_DEATH       = 1,
    ACTION_START_REVIVE         = 2,
 
    // Chained Spirit
    ACTION_REVIVE               = 1
};
 
enum MandokirMisc
{
    POINT_START_REVIVE          = 1,
 
    DATA_OHGANOT_SO_FAST        = 5762,
 
    DATA_REVIVE_GUID            = 0,
};
 
enum SummonGroups
{
    SUMMON_GROUP_CHAINED_SPIRIT = 0
};
 
struct boss_mandokir : public BossAI
{
    boss_mandokir(Creature* creature) : BossAI(creature, DATA_MANDOKIR)
    {
        Initialize();
    }
 
    void Initialize()
    {
        _ohganotSoFast = true;
        _reanimateOhganCooldown = false;
    }
 
    void Reset() override
    {
        DoCastAOE(SPELL_SPIRIT_VENGEANCE_CANCEL);
 
        _Reset();
 
        me->SummonCreatureGroup(SUMMON_GROUP_CHAINED_SPIRIT);
        Initialize();
        _reviveGUID.Clear();
    }
 
    void JustEngagedWith(Unit* who) override
    {
        BossAI::JustEngagedWith(who);
        Talk(SAY_AGGRO);
 
        DoCastAOE(SPELL_BLOODLORD_AURA);
 
        if (!summons.empty())
        {
            for (SummonList::const_iterator itr = summons.begin(); itr != summons.end(); ++itr)
            {
                if (Creature* chainedSpirit = ObjectAccessor::GetCreature(*me, *itr))
                    if (chainedSpirit->GetEntry() == NPC_CHAINED_SPIRIT && chainedSpirit->AI())
                        chainedSpirit->SetFaction(FACTION_NONE);
            }
        }
 
        events.ScheduleEvent(EVENT_DECAPITATE, 10s);
        events.ScheduleEvent(EVENT_BLOODLETTING, 15s);
        events.ScheduleEvent(EVENT_SUMMON_OHGAN, 20s);
        events.ScheduleEvent(EVENT_DEVASTATING_SLAM, 25s);
    }
 
    void JustDied(Unit* /*killer*/) override
    {
        DoCastAOE(SPELL_SPIRIT_VENGEANCE_CANCEL);
        _JustDied();
        Talk(SAY_DEATH);
    }
 
    void KilledUnit(Unit* victim) override
    {
        if (victim->GetTypeId() == TYPEID_PLAYER)
        {
            Talk(SAY_PLAYER_KILL);
            DoCast(SPELL_LEVEL_UP);
            _reviveGUID = victim->GetGUID();
            DoAction(ACTION_START_REVIVE);
        }
    }
 
    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damageType*/, SpellInfo const* /*spellInfo = nullptr*/) override
    {
        if (me->HealthBelowPctDamaged(20, damage) && !me->HasAura(SPELL_FRENZY))
        {
            DoCast(me, SPELL_FRENZY, true);
            Talk(SAY_FRENZY);
            Talk(EMOTE_FRENZY);
        }
    }
 
    void DoAction(int32 action) override
    {
        switch (action)
        {
            case ACTION_OHGAN_IS_DEATH:
                events.ScheduleEvent(EVENT_REANIMATE_OHGAN, 4s);
                _ohganotSoFast = false;
                break;
            case ACTION_START_REVIVE:
            {
                std::list<Creature*> creatures;
                GetCreatureListWithEntryInGrid(creatures, me, NPC_CHAINED_SPIRIT, 200.0f);
                creatures.remove_if(Trinity::AnyDeadUnitCheck());
                creatures.remove_if(Trinity::UnitAuraCheck(true, SPELL_OHGAN_ORDERS_TRIGGER));
                Trinity::Containers::RandomResize(creatures, 1);
                if (creatures.empty())
                    return;
 
                for (std::list<Creature*>::iterator itr = creatures.begin(); itr != creatures.end(); ++itr)
                {
                    if (Creature* chainedSpirit = ObjectAccessor::GetCreature(*me, (*itr)->GetGUID()))
                    {
                        chainedSpirit->AI()->SetGUID(_reviveGUID, DATA_REVIVE_GUID);
                        chainedSpirit->AI()->DoAction(ACTION_REVIVE);
                        _reviveGUID.Clear();
                    }
                }
                break;
            }
            default:
                break;
 
        }
    }
 
    uint32 GetData(uint32 type) const override
    {
        if (type == DATA_OHGANOT_SO_FAST)
            return _ohganotSoFast;
 
        return 0;
    }
 
    void SetGUID(ObjectGuid const& guid, int32 /*type*/) override
    {
        _reviveGUID = guid;
    }
 
    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_SUMMON_OHGAN:
                    me->SetMountDisplayId(0);
                    DoCast(me, SPELL_SUMMON_OHGAN, true);
                    break;
                case EVENT_DECAPITATE:
                    DoCastAOE(SPELL_DECAPITATE);
                    events.ScheduleEvent(EVENT_DECAPITATE, me->HasAura(SPELL_FRENZY) ? (17s + 500ms) : 35s);
                    break;
                case EVENT_BLOODLETTING:
                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1, 0.0f, true))
                    {
                        DoCast(target, SPELL_BLOODLETTING, true);
                        me->ClearUnitState(UNIT_STATE_CASTING);
                    }
                    events.ScheduleEvent(EVENT_BLOODLETTING, 25s);
                    break;
                case EVENT_REANIMATE_OHGAN:
                    if (_reanimateOhganCooldown)
                        events.ScheduleEvent(EVENT_REANIMATE_OHGAN, 1s);
                    else
                    {
                        DoCastAOE(SPELL_REANIMATE_OHGAN);
                        Talk(SAY_REANIMATE_OHGAN);
                        // Cooldown
                        _reanimateOhganCooldown = true;
                        events.ScheduleEvent(EVENT_REANIMATE_OHGAN_COOLDOWN, 20s);
                    }
                    break;
                case EVENT_REANIMATE_OHGAN_COOLDOWN:
                    _reanimateOhganCooldown = false;
                    break;
                case EVENT_DEVASTATING_SLAM:
                    DoCastAOE(SPELL_DEVASTATING_SLAM_TRIGGER);
                    events.ScheduleEvent(EVENT_DEVASTATING_SLAM, 30s);
                    break;
                default:
                    break;
            }
 
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
        }
    }
 
private:
    bool _ohganotSoFast;
    bool _reanimateOhganCooldown;
    ObjectGuid _reviveGUID;
};
 
struct npc_ohgan : public ScriptedAI
{
    npc_ohgan(Creature* creature) : ScriptedAI(creature)
    {
        _instance = me->GetInstanceScript();
    }
 
    void JustEngagedWith(Unit* /*who*/) override
    {
        DoCastAOE(SPELL_OHGAN_ORDERS, true);
    }
 
    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damageType*/, SpellInfo const* /*spellInfo = nullptr*/) override
    {
        if (damage >= me->GetHealth())
         {
            damage = 0;
            me->AttackStop();
            me->SetHealth(0);
            me->SetTarget(ObjectGuid::Empty);
            DoCast(me, SPELL_CLEAR_ALL, true);
            DoCast(me, SPELL_PERMANENT_FEIGN_DEATH);
 
            if (Creature* mandokir = ObjectAccessor::GetCreature(*me, _instance->GetGuidData(DATA_MANDOKIR)))
                mandokir->AI()->DoAction(ACTION_OHGAN_IS_DEATH);
        }
    }
 
    void KilledUnit(Unit* victim) override
    {
        if (Creature* creature = victim->ToCreature())
        {
            if (creature->GetEntry() == NPC_CHAINED_SPIRIT)
                DoCastAOE(SPELL_OHGAN_ORDERS, true);
        }
    }
 
private:
    InstanceScript* _instance;
};
 
struct npc_chained_spirit : public ScriptedAI
{
    npc_chained_spirit(Creature* creature) : ScriptedAI(creature)
    {
        _instance = me->GetInstanceScript();
        me->AddUnitMovementFlag(MOVEMENTFLAG_HOVER);
        me->SetReactState(REACT_PASSIVE); // correct?
    }
 
    void Reset() override
    {
        _revivePlayerGUID.Clear();
    }
 
    void SetGUID(ObjectGuid const& guid, int32 /*type*/) override
    {
        _revivePlayerGUID = guid;
    }
 
    void DoAction(int32 action) override
    {
        if (action == ACTION_REVIVE)
        {
            Position pos;
            if (Player* target = ObjectAccessor::GetPlayer(*me, _revivePlayerGUID))
            {
                target->GetNearPoint(me, pos.m_positionX, pos.m_positionY, pos.m_positionZ, 5.0f, target->GetAbsoluteAngle(me));
                me->GetMotionMaster()->MovePoint(POINT_START_REVIVE, pos);
            }
        }
    }
 
    void MovementInform(uint32 type, uint32 pointId) override
    {
        if (type != POINT_MOTION_TYPE || !_revivePlayerGUID)
            return;
 
        if (pointId == POINT_START_REVIVE)
        {
            if (Player* target = ObjectAccessor::GetPlayer(*me, _revivePlayerGUID))
                DoCast(target, SPELL_REVIVE);
 
            me->DespawnOrUnsummon(2s);
        }
    }
 
    void JustDied(Unit* /*killer*/) override
    {
        Player* target = ObjectAccessor::GetPlayer(*me, _revivePlayerGUID);
        if (!target || target->IsAlive())
            return;
 
        if (Creature* mandokir = ObjectAccessor::GetCreature(*me, _instance->GetGuidData(DATA_MANDOKIR)))
        {
            mandokir->GetAI()->SetGUID(target->GetGUID(), DATA_REVIVE_GUID);
            mandokir->GetAI()->DoAction(ACTION_START_REVIVE);
        }
 
        me->DespawnOrUnsummon();
    }
 
    void UpdateAI(uint32 /*diff*/) override { }
 
private:
    InstanceScript* _instance;
    ObjectGuid _revivePlayerGUID;
};
 
// 96682 - Decapitate
class spell_mandokir_decapitate : public SpellScript
{
    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (targets.empty())
            return;
 
        WorldObject* target = Trinity::Containers::SelectRandomContainerElement(targets);
        targets.clear();
        targets.push_back(target);
    }
 
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        Unit* caster = GetCaster();
        if (Player* target = GetHitPlayer())
            caster->CastSpell(target, uint32(GetEffectValueAsInt()), true);
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_mandokir_decapitate::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_decapitate::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 96776 - Bloodletting
class spell_mandokir_bloodletting : public AuraScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo({ SPELL_BLOODLETTING_DAMAGE, SPELL_BLOODLETTING_HEAL });
    }
 
    void HandleEffectPeriodic(AuraEffect const* aurEff)
    {
        Unit* target = GetTarget();
        Unit* caster = GetCaster();
        if (!caster)
            return;
 
        CastSpellExtraArgs args;
        args.TriggerFlags = TRIGGERED_FULL_MASK;
        args.AddSpellMod(SPELLVALUE_BASE_POINT0, std::max<SpellEffectValue>(7500, CalculatePct(target->GetHealth(), aurEff->GetAmount())));
 
        caster->CastSpell(target, SPELL_BLOODLETTING_DAMAGE, args);
        target->CastSpell(caster, SPELL_BLOODLETTING_HEAL, args);
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_mandokir_bloodletting::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
};
 
// 96821 - Spirit's Vengeance Cancel
class spell_mandokir_spirit_vengeance_cancel : public SpellScript
{
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        if (Player* target = GetHitPlayer())
            target->RemoveAura(uint32(GetEffectValueAsInt()));
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_spirit_vengeance_cancel::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_spirit_vengeance_cancel::HandleScript, EFFECT_1, SPELL_EFFECT_DUMMY);
    }
};
 
class DevastatingSlamTargetSelector
{
    public:
        DevastatingSlamTargetSelector(Creature* me, const Unit* victim) : _me(me), _victim(victim) {}
 
        bool operator() (WorldObject* target)
        {
            if (target == _victim && _me->GetThreatManager().GetThreatListSize() > 1)
                return true;
 
            if (target->GetTypeId() != TYPEID_PLAYER)
                return true;
 
            return false;
        }
 
        Creature* _me;
        Unit const* _victim;
};
 
// 96761 - Devastating Slam
class spell_mandokir_devastating_slam : public SpellScript
{
    void FilterTargets(std::list<WorldObject*>& targets)
    {
        targets.remove_if(DevastatingSlamTargetSelector(GetCaster()->ToCreature(), GetCaster()->GetVictim()));
        if (targets.empty())
            return;
 
        WorldObject* target = Trinity::Containers::SelectRandomContainerElement(targets);
        targets.clear();
        targets.push_back(target);
    }
 
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        Unit* caster = GetCaster();
        float angle = 0.0f;
        float x, y, z;
 
        if (Player* target = GetHitPlayer())
        {
            caster->AttackStop();
            caster->SetOrientation(caster->GetAbsoluteAngle(target));
            caster->SetFacingTo(caster->GetAbsoluteAngle(target));
 
            caster->CastSpell(caster, SPELL_DEVASTATING_SLAM, false);
 
            // HACK: Need better way for pos calculation
            for (uint8 i = 0; i <= 50; ++i)
            {
                angle = rand_norm() * static_cast<float>(M_PI * 35.0f / 180.0f) - static_cast<float>(M_PI * 17.5f / 180.0f);
                caster->GetClosePoint(x, y, z, 4.0f, frand(-2.5f, 50.0f), angle);
 
                caster->CastSpell(Position{ x, y, z }, SPELL_DEVASTATING_SLAM_DAMAGE, true);
            }
        }
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_mandokir_devastating_slam::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_devastating_slam::HandleScript, EFFECT_0, SPELL_EFFECT_FORCE_CAST);
    }
};
 
// 96721 - Ohgan's Orders
class spell_mandokir_ohgan_orders : public SpellScript
{
    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (targets.empty())
            return;
 
        WorldObject* target = Trinity::Containers::SelectRandomContainerElement(targets);
        targets.clear();
        targets.push_back(target);
    }
 
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        Unit* caster = GetCaster();
        if (Unit* target = GetHitUnit())
            caster->CastSpell(target, uint32(GetEffectValueAsInt()), true);
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_mandokir_ohgan_orders::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENTRY);
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_ohgan_orders::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 96722 - Ohgan's Orders
class spell_mandokir_ohgan_orders_trigger : public AuraScript
{
    void HandleEffectApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
    {
        Unit* target = GetTarget();
        if (Unit* caster = GetCaster())
        {
            // HACK: research better way
            caster->ClearUnitState(UNIT_STATE_CASTING);
            caster->GetMotionMaster()->Clear();
            caster->GetThreatManager().ResetAllThreat();
            caster->GetThreatManager().AddThreat(target, 50000000.0f);
            // TODO: Fixate mechanic
        }
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_mandokir_ohgan_orders_trigger::HandleEffectApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 96724 - Reanimate Ohgan
class spell_mandokir_reanimate_ohgan : public SpellScript
{
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        if (Unit* target = GetHitUnit())
        {
            target->RemoveAura(SPELL_PERMANENT_FEIGN_DEATH);
            target->CastSpell(target, SPELL_OHGAN_HEART_VISUAL, true);
            target->CastSpell(nullptr, SPELL_OHGAN_ORDERS, true);
        }
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_mandokir_reanimate_ohgan::HandleScript, EFFECT_1, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};
 
class achievement_ohganot_so_fast : public AchievementCriteriaScript
{
   public:
       achievement_ohganot_so_fast() : AchievementCriteriaScript("achievement_ohganot_so_fast") { }
 
       bool OnCheck(Player* /*player*/, Unit* target) override
       {
           return target && target->GetAI()->GetData(DATA_OHGANOT_SO_FAST);
       }
};
 
void AddSC_boss_mandokir()
{
    RegisterZulGurubCreatureAI(boss_mandokir);
    RegisterZulGurubCreatureAI(npc_ohgan);
    RegisterZulGurubCreatureAI(npc_chained_spirit);
    RegisterSpellScript(spell_mandokir_decapitate);
    RegisterSpellScript(spell_mandokir_bloodletting);
    RegisterSpellScript(spell_mandokir_spirit_vengeance_cancel);
    RegisterSpellScript(spell_mandokir_devastating_slam);
    RegisterSpellScript(spell_mandokir_ohgan_orders);
    RegisterSpellScript(spell_mandokir_ohgan_orders_trigger);
    RegisterSpellScript(spell_mandokir_reanimate_ohgan);
    new achievement_ohganot_so_fast();
}