boss_gurtogg_bloodboil.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 "GridNotifiers.h"
#include "ObjectAccessor.h"
#include "PassiveAI.h"
#include "ScriptedCreature.h"
#include "SpellScript.h"
 
enum GurtoggTexts
{
    SAY_AGGRO                   = 0,
    SAY_SLAY                    = 1,
    SAY_SPECIAL                 = 2,
    SAY_ENRAGE                  = 3
};
 
enum GurtoggSpells
{
    //Gurtogg
    SPELL_BLOODBOIL             = 42005,
    SPELL_ARCING_SMASH          = 40457,
    SPELL_FEL_ACID_BREATH       = 40508,
    SPELL_EJECT                 = 40486,
    SPELL_BEWILDERING_STRIKE    = 40491,
    SPELL_FEL_RAGE_SELF         = 40594,
    SPELL_INSIGNIFIGANCE        = 40618,
    SPELL_FEL_RAGE_TARGET       = 40604,
    SPELL_FEL_RAGE_2            = 40616,
    SPELL_FEL_RAGE_3            = 41625,
    SPELL_FEL_RAGE_TARGET_2     = 46787,
    SPELL_FEL_GEYSER            = 40569,
    SPELL_CHARGE                = 40602,
    SPELL_EJECT_2               = 40597,
    SPELL_FEL_ACID_BREATH_2     = 40595,
    SPELL_ARCING_SMASH_2        = 40599,
    SPELL_BERSERK               = 45078,
    //Player
    SPELL_TAUNT_GURTOGG         = 40603,
    SPELL_FEL_RAGE_P            = 40617,
    //Fel Geyser
    SPELL_FEL_GEYSER_2          = 40593,
    SPELL_BIRTH                 = 40031
};
 
enum GurtoggPhases
{
    PHASE_1                     = 1,
    PHASE_2                     = 2,
    GROUP_PHASE_1               = 1,
    GROUP_PHASE_2               = 2
};
 
enum GurtoggSounds
{
    SOUND_ID_DEATH              = 11439,
    SOUND_ID_ENRAGE             = 11437
};
 
enum GurtoggEvents
{
    EVENT_BERSERK               = 1,
    EVENT_BLOODBOIL,
    EVENT_ARCING_SMASH,
    EVENT_FEL_ACID_BREATH,
    EVENT_EJECT,
    EVENT_BEWILDERING_STRIKE,
    EVENT_CHANGE_PHASE,
    EVENT_START_PHASE_2,
    EVENT_EJECT_2,
    EVENT_FEL_ACID_BREATH_2,
    EVENT_ARCING_SMASH_2,
    EVENT_CHARGE_PLAYER
};
 
// 22948 - Gurtogg Bloodboil
struct boss_gurtogg_bloodboil : public BossAI
{
    boss_gurtogg_bloodboil(Creature* creature) : BossAI(creature, DATA_GURTOGG_BLOODBOIL)
    {
        Initialize();
    }
 
    void Reset() override
    {
        _Reset();
        Initialize();
        events.SetPhase(PHASE_1);
        me->ApplySpellImmune(0, IMMUNITY_STATE, SPELL_AURA_MOD_TAUNT, false);
        me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_ATTACK_ME, false);
    }
 
    void Initialize()
    {
        _oldThreat = 0.0f;
        _oldTargetGUID.Clear();
        _targetGUID.Clear();
    }
 
    bool CanAIAttack(Unit const* who) const override
    {
        return BossAI::CanAIAttack(who) && !who->HasAura(SPELL_BEWILDERING_STRIKE);
    }
 
    void AttackStart(Unit* who) override
    {
        if (!CanAIAttack(who))
            return;
 
        BossAI::AttackStart(who);
    }
 
    void JustEngagedWith(Unit* who) override
    {
        Talk(SAY_AGGRO);
        BossAI::JustEngagedWith(who);
        events.ScheduleEvent(EVENT_BERSERK, 10min);
        events.ScheduleEvent(EVENT_CHANGE_PHASE, 1min);
        ScheduleEvents();
    }
 
    void EnterEvadeMode(EvadeReason /*why*/) override
    {
        _DespawnAtEvade();
    }
 
    void ScheduleEvents()
    {
        if (events.IsInPhase(PHASE_1))
        {
            events.ScheduleEvent(EVENT_BLOODBOIL, 10s, GROUP_PHASE_1, PHASE_1);
            events.ScheduleEvent(EVENT_ARCING_SMASH, 10s, GROUP_PHASE_1, PHASE_1);
            events.ScheduleEvent(EVENT_FEL_ACID_BREATH, 25s, GROUP_PHASE_1, PHASE_1);
            events.ScheduleEvent(EVENT_EJECT, 35s, GROUP_PHASE_1, PHASE_1);
            events.ScheduleEvent(EVENT_BEWILDERING_STRIKE, 47s, GROUP_PHASE_1, PHASE_1);
        }
        else if (events.IsInPhase(PHASE_2))
        {
            events.ScheduleEvent(EVENT_START_PHASE_2, 100ms, GROUP_PHASE_2, PHASE_2);
            events.ScheduleEvent(EVENT_EJECT_2, 14s, GROUP_PHASE_2, PHASE_2);
            events.ScheduleEvent(EVENT_FEL_ACID_BREATH_2, 16s, GROUP_PHASE_2, PHASE_2);
            events.ScheduleEvent(EVENT_ARCING_SMASH_2, 8s, GROUP_PHASE_2, PHASE_2);
        }
    }
 
    void KilledUnit(Unit* victim) override
    {
        if (victim->GetTypeId() == TYPEID_PLAYER)
            Talk(SAY_SLAY);
    }
 
    void JustDied(Unit* /*killer*/) override
    {
        _JustDied();
        DoPlaySoundToSet(me, SOUND_ID_DEATH);
    }
 
    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_BLOODBOIL:
                    DoCast(SPELL_BLOODBOIL);
                    events.Repeat(10s);
                    break;
                case EVENT_ARCING_SMASH:
                    DoCastVictim(SPELL_ARCING_SMASH);
                    events.Repeat(10s);
                    break;
                case EVENT_FEL_ACID_BREATH:
                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, me->GetCombatReach()))
                        DoCast(target, SPELL_FEL_ACID_BREATH);
                    events.Repeat(25s, 30s);
                    break;
                case EVENT_EJECT:
                    Talk(SAY_SPECIAL);
                    DoCastVictim(SPELL_EJECT);
                    break;
                case EVENT_BEWILDERING_STRIKE:
                    DoCastVictim(SPELL_BEWILDERING_STRIKE);
                    break;
                case EVENT_CHANGE_PHASE:
                    ChangePhase();
                    break;
                case EVENT_START_PHASE_2:
                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1))
                    {
                        if (Unit* oldTarget = me->GetVictim())
                        {
                            _oldTargetGUID = oldTarget->GetGUID();
                            _oldThreat = GetThreat(oldTarget);
                        }
                        _targetGUID = target->GetGUID();
                        DoCastSelf(SPELL_FEL_RAGE_SELF, true);
                        DoCast(target, SPELL_FEL_RAGE_TARGET, true);
                        DoCast(target, SPELL_FEL_RAGE_2, true);
                        DoCast(target, SPELL_FEL_RAGE_3, true);
                        DoCast(target, SPELL_FEL_GEYSER, true);
                        DoCast(target, SPELL_FEL_RAGE_TARGET_2, true);
                        target->CastSpell(target, SPELL_FEL_RAGE_P, true);
                        target->CastSpell(target, SPELL_TAUNT_GURTOGG, true);
                        DoCastAOE(SPELL_INSIGNIFIGANCE, true);
 
                        events.ScheduleEvent(EVENT_CHARGE_PLAYER, 2s, GROUP_PHASE_2, PHASE_2);
 
                        me->ApplySpellImmune(0, IMMUNITY_STATE, SPELL_AURA_MOD_TAUNT, true);
                        me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_ATTACK_ME, true);
                    }
                    else // If no other targets are found, reset phase 1
                    {
                        events.SetPhase(PHASE_1);
                        events.CancelEventGroup(GROUP_PHASE_2);
                        ScheduleEvents();
                        events.RescheduleEvent(EVENT_CHANGE_PHASE, 60s);
                    }
                    break;
                case EVENT_CHARGE_PLAYER:
                    if (Unit* target = ObjectAccessor::GetUnit(*me, _targetGUID))
                        DoCast(target, SPELL_CHARGE);
                    break;
                case EVENT_EJECT_2:
                    DoCastVictim(SPELL_EJECT_2);
                    break;
                case EVENT_FEL_ACID_BREATH_2:
                    DoCastVictim(SPELL_FEL_ACID_BREATH_2);
                    break;
                case EVENT_ARCING_SMASH_2:
                    DoCastVictim(SPELL_ARCING_SMASH_2);
                    events.Repeat(13s);
                    break;
                case EVENT_BERSERK:
                    DoCast(SPELL_BERSERK);
                    roll_chance(50) ? Talk(SAY_ENRAGE) : DoPlaySoundToSet(me, SOUND_ID_ENRAGE);
                    break;
                default:
                    break;
            }
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
        }
    }
 
    void ChangePhase()
    {
        if (events.IsInPhase(PHASE_1))
        {
            events.SetPhase(PHASE_2);
            events.CancelEventGroup(GROUP_PHASE_1);
            events.ScheduleEvent(EVENT_CHANGE_PHASE, 30s);
            ScheduleEvents();
        }
        else if (events.IsInPhase(PHASE_2))
        {
            events.SetPhase(PHASE_1);
            events.CancelEventGroup(GROUP_PHASE_2);
            events.ScheduleEvent(EVENT_CHANGE_PHASE, 1min);
            me->ApplySpellImmune(0, IMMUNITY_STATE, SPELL_AURA_MOD_TAUNT, false);
            me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_ATTACK_ME, false);
            ScheduleEvents();
 
            // Attack the stored target
            if (Unit* oldTarget = ObjectAccessor::GetUnit(*me, _oldTargetGUID))
                if (Unit* currentTarget = ObjectAccessor::GetUnit(*me, _targetGUID))
                {
                    ModifyThreatByPercent(currentTarget, -100);
                    AttackStart(oldTarget);
                    AddThreat(oldTarget, _oldThreat);
                    Initialize();
                }
        }
    }
 
private:
    ObjectGuid _targetGUID;
    ObjectGuid _oldTargetGUID;
    float _oldThreat;
};
 
// 23254 - Fel Geyser
struct npc_fel_geyser : public PassiveAI
{
    npc_fel_geyser(Creature* creature) : PassiveAI(creature) { }
 
    void Reset() override
    {
        DoCastSelf(SPELL_FEL_GEYSER_2, true);
        DoCastSelf(SPELL_BIRTH, true);
    }
};
 
// 42005 - Bloodboil
class spell_gurtogg_bloodboil_bloodboil : public SpellScript
{
    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (targets.size() <= 5)
            return;
 
        // Sort the list of players
        targets.sort(Trinity::ObjectDistanceOrderPred(GetCaster(), false));
        // Resize so we only get top 5
        targets.resize(5);
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_gurtogg_bloodboil_bloodboil::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};
 
// 40618 - Insignificance
class spell_gurtogg_bloodboil_insignificance : public SpellScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo({ SPELL_FEL_RAGE_TARGET });
    }
 
    void FilterTargets(std::list<WorldObject*>& targets)
    {
        targets.remove_if(Trinity::UnitAuraCheck(true, SPELL_FEL_RAGE_TARGET));
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_gurtogg_bloodboil_insignificance::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};
 
void AddSC_boss_gurtogg_bloodboil()
{
    RegisterBlackTempleCreatureAI(boss_gurtogg_bloodboil);
    RegisterBlackTempleCreatureAI(npc_fel_geyser);
    RegisterSpellScript(spell_gurtogg_bloodboil_bloodboil);
    RegisterSpellScript(spell_gurtogg_bloodboil_insignificance);
}