boss_nefarian.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 "blackwing_lair.h"
#include "GameObject.h"
#include "InstanceScript.h"
#include "MotionMaster.h"
#include "ObjectAccessor.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "ScriptedGossip.h"
#include "ScriptMgr.h"
#include "TemporarySummon.h"
 
enum NefarianEvents
{
    // Victor Nefarius
    EVENT_SPAWN_ADD            = 1,
    EVENT_SHADOW_BOLT          = 2,
    EVENT_FEAR                 = 3,
    EVENT_MIND_CONTROL         = 4,
    // Nefarian
    EVENT_SHADOWFLAME          = 5,
    EVENT_VEILOFSHADOW         = 6,
    EVENT_CLEAVE               = 7,
    EVENT_TAILLASH             = 8,
    EVENT_CLASSCALL            = 9,
    // UBRS
    EVENT_CHAOS_1              = 10,
    EVENT_CHAOS_2              = 11,
    EVENT_PATH_2               = 12,
    EVENT_PATH_3               = 13,
    EVENT_SUCCESS_1            = 14,
    EVENT_SUCCESS_2            = 15,
    EVENT_SUCCESS_3            = 16,
};
 
enum NefarianSays
{
    // Nefarius
    // UBRS
    SAY_CHAOS_SPELL            = 9,
    SAY_SUCCESS                = 10,
    SAY_FAILURE                = 11,
    // BWL
    SAY_GAMESBEGIN_1           = 12,
    SAY_GAMESBEGIN_2           = 13,
 // SAY_VAEL_INTRO             = 14, Not used - when he corrupts Vaelastrasz
 
    // Nefarian
    SAY_RANDOM                 = 0,
    SAY_RAISE_SKELETONS        = 1,
    SAY_SLAY                   = 2,
    SAY_DEATH                  = 3,
    SAY_MAGE                   = 4,
    SAY_WARRIOR                = 5,
    SAY_DRUID                  = 6,
    SAY_PRIEST                 = 7,
    SAY_PALADIN                = 8,
    SAY_SHAMAN                 = 9,
    SAY_WARLOCK                = 10,
    SAY_HUNTER                 = 11,
    SAY_ROGUE                  = 12,
    SAY_DEATH_KNIGHT           = 13,
    SAY_XHEALTH                = 14,
    SAY_SHADOWFLAME            = 15
};
 
enum NefarianGossip
{
   GOSSIP_ID                   = 6045,
   GOSSIP_OPTION_ID            = 0
};
 
enum NefarianPaths
{
    NEFARIUS_PATH_2            = 11037368,
    NEFARIUS_PATH_3            = 11037376
};
 
enum NefarianGameObjects
{
    GO_PORTCULLIS_ACTIVE       = 164726,
    GO_PORTCULLIS_TOBOSSROOMS  = 175186
};
 
enum NefarianCreatures
{
    NPC_BRONZE_DRAKANOID       = 14263,
    NPC_BLUE_DRAKANOID         = 14261,
    NPC_RED_DRAKANOID          = 14264,
    NPC_GREEN_DRAKANOID        = 14262,
    NPC_BLACK_DRAKANOID        = 14265,
    NPC_CHROMATIC_DRAKANOID    = 14302,
    NPC_BONE_CONSTRUCT         = 14605,
    // UBRS
    NPC_GYTH                   = 10339
};
 
enum NefarianSpells
{
    // Victor Nefarius
    // UBRS Spells
    SPELL_CHROMATIC_CHAOS       = 16337, // Self Cast hits 10339
    SPELL_VAELASTRASZZ_SPAWN    = 16354, // Self Cast Depawn one sec after
    // BWL Spells
    SPELL_SHADOWBOLT            = 22677,
    SPELL_SHADOWBOLT_VOLLEY     = 22665,
    SPELL_SHADOW_COMMAND        = 22667,
    SPELL_FEAR                  = 22678,
 
    SPELL_NEFARIANS_BARRIER     = 22663,
 
    // Nefarian
    SPELL_SHADOWFLAME_INITIAL   = 22992,
    SPELL_SHADOWFLAME           = 22539,
    SPELL_BELLOWINGROAR         = 22686,
    SPELL_VEILOFSHADOW          = 7068,
    SPELL_CLEAVE                = 20691,
    SPELL_TAILLASH              = 23364,
 
    SPELL_MAGE                  = 23410,     // wild magic
    SPELL_WARRIOR               = 23397,     // beserk
    SPELL_DRUID                 = 23398,     // cat form
    SPELL_PRIEST                = 23401,     // corrupted healing
    SPELL_PALADIN               = 23418,     // syphon blessing
    SPELL_SHAMAN                = 23425,     // totems
    SPELL_WARLOCK               = 23427,     // infernals
    SPELL_HUNTER                = 23436,     // bow broke
    SPELL_ROGUE                 = 23414,     // Paralise
    SPELL_DEATH_KNIGHT          = 49576      // Death Grip
 
// 19484
// 22664
// 22674
// 22666
};
 
enum NefarianActions
{
    ACTION_BONE_CONSTRUCT_DESPAWN = 1,
    ACTION_BONE_CONSTRUCT_START_ATTACK
};
 
Position const NefarianDrakeSpawnLoc[2] = // drakonid
{
    { -7591.151855f, -1204.051880f, 476.800476f, 3.0f },
    { -7514.598633f, -1150.448853f, 476.796570f, 3.0f }
};
 
Position const NefarianLoc[2] =
{
    { -7449.763672f, -1387.816040f, 526.783691f, 3.0f }, // nefarian spawn
    { -7535.456543f, -1279.562500f, 476.798706f, 3.0f }  // nefarian move
};
 
uint32 constexpr NefarianEntry[5] = { NPC_BRONZE_DRAKANOID, NPC_BLUE_DRAKANOID, NPC_RED_DRAKANOID, NPC_GREEN_DRAKANOID, NPC_BLACK_DRAKANOID };
 
struct boss_victor_nefarius : public BossAI
{
    boss_victor_nefarius(Creature* creature) : BossAI(creature, DATA_NEFARIAN)
    {
        Initialize();
    }
 
    void Initialize()
    {
        _spawnedAdds = 0;
    }
 
    void Reset() override
    {
        Initialize();
 
        if (!me->FindNearestCreature(NPC_NEFARIAN, 1000.0f, true))
            _Reset();
 
        me->SetVisible(true);
        me->SetPhaseMask(1, true);
        me->SetNpcFlag(UNIT_NPC_FLAG_GOSSIP);
        me->SetFaction(FACTION_FRIENDLY);
        me->SetStandState(UNIT_STAND_STATE_SIT_HIGH_CHAIR);
        me->RemoveAura(SPELL_NEFARIANS_BARRIER);
    }
 
    void JustReachedHome() override
    {
        Reset();
    }
 
    void BeginEvent(Player* target)
    {
        _JustEngagedWith(target);
 
        Talk(SAY_GAMESBEGIN_2);
 
        me->SetFaction(FACTION_DRAGONFLIGHT_BLACK);
        me->RemoveNpcFlag(UNIT_NPC_FLAG_GOSSIP);
        DoCast(me, SPELL_NEFARIANS_BARRIER);
        me->SetStandState(UNIT_STAND_STATE_STAND);
        me->SetImmuneToPC(false);
        AttackStart(target);
        events.ScheduleEvent(EVENT_SHADOW_BOLT, 3s, 10s);
        events.ScheduleEvent(EVENT_FEAR, 10s, 20s);
        //events.ScheduleEvent(EVENT_MIND_CONTROL, 30s, 35s);
        events.ScheduleEvent(EVENT_SPAWN_ADD, 10s);
    }
 
    void SummonedCreatureDies(Creature* summon, Unit* /*killer*/) override
    {
        if (summon->GetEntry() != NPC_NEFARIAN && summon->GetEntry() != NPC_BONE_CONSTRUCT)
        {
            summon->UpdateEntry(NPC_BONE_CONSTRUCT);
            summon->SetHomePosition(summon->GetPosition());
            summon->SetUnitFlag(UNIT_FLAG_UNINTERACTIBLE);
            summon->SetReactState(REACT_PASSIVE);
            summon->SetStandState(UNIT_STAND_STATE_DEAD);
        }
    }
 
    void JustSummoned(Creature* summon) override
    {
        summons.Summon(summon);
    }
 
    void SetData(uint32 type, uint32 data) override
    {
        if ( type == 1 && data == 1)
        {
            me->StopMoving();
            events.ScheduleEvent(EVENT_PATH_2, 9s);
        }
 
        if (type == 1 && data == 2)
            events.ScheduleEvent(EVENT_SUCCESS_1, 5s);
    }
 
    void DoAction(int32 param) override
    {
        switch (param)
        {
            case ACTION_BONE_CONSTRUCT_DESPAWN:
                summons.DespawnEntry(NPC_BONE_CONSTRUCT);
                break;
            case ACTION_BONE_CONSTRUCT_START_ATTACK:
                for (ObjectGuid const& summon : summons)
                {
                    if (Creature* boneConstruct = ObjectAccessor::GetCreature(*me, summon))
                        if (boneConstruct->GetEntry() == NPC_BONE_CONSTRUCT && !boneConstruct->IsAlive())
                        {
                            boneConstruct->SetVisible(true);
                            boneConstruct->RemoveAllGameObjects();
                            boneConstruct->SetSpawnHealth();
                            boneConstruct->setDeathState(ALIVE);
                            boneConstruct->RemoveUnitFlag(UNIT_FLAG_UNINTERACTIBLE);
                            boneConstruct->SetStandState(UNIT_STAND_STATE_STAND);
                            SetAggressiveStateAfter(1s, boneConstruct, true, me);
                        }
                }
                instance->SetData(DATA_DRAKONID_BONES, 0);
                break;
            default:
                break;
        }
    }
 
    void UpdateAI(uint32 diff) override
    {
        if (!UpdateVictim())
        {
            events.Update(diff);
 
            while (uint32 eventId = events.ExecuteEvent())
            {
                switch (eventId)
                {
                    case EVENT_PATH_2:
                        me->GetMotionMaster()->MovePath(NEFARIUS_PATH_2, false);
                        events.ScheduleEvent(EVENT_CHAOS_1, 7s);
                        break;
                    case EVENT_CHAOS_1:
                        if (Creature* gyth = me->FindNearestCreature(NPC_GYTH, 75.0f, true))
                        {
                            me->SetFacingToObject(gyth);
                            Talk(SAY_CHAOS_SPELL);
                        }
                        events.ScheduleEvent(EVENT_CHAOS_2, 2s);
                        break;
                    case EVENT_CHAOS_2:
                        DoCast(SPELL_CHROMATIC_CHAOS);
                        me->SetFacingTo(1.570796f);
                        break;
                    case EVENT_SUCCESS_1:
                        if (Unit* player = me->SelectNearestPlayer(60.0f))
                        {
                            me->SetFacingToObject(player);
                            Talk(SAY_SUCCESS);
                            if (GameObject* portcullis1 = me->FindNearestGameObject(GO_PORTCULLIS_ACTIVE, 65.0f))
                                portcullis1->SetGoState(GO_STATE_ACTIVE);
                            if (GameObject* portcullis2 = me->FindNearestGameObject(GO_PORTCULLIS_TOBOSSROOMS, 80.0f))
                                portcullis2->SetGoState(GO_STATE_ACTIVE);
                        }
                        events.ScheduleEvent(EVENT_SUCCESS_2, 4s);
                        break;
                    case EVENT_SUCCESS_2:
                        DoCast(me, SPELL_VAELASTRASZZ_SPAWN);
                        me->DespawnOrUnsummon(1s);
                        break;
                    case EVENT_PATH_3:
                        me->GetMotionMaster()->MovePath(NEFARIUS_PATH_3, false);
                        break;
                    default:
                        break;
                }
            }
            return;
        }
 
        // Only do this if we haven't spawned nefarian yet
        if (UpdateVictim() && _spawnedAdds <= 42)
        {
            events.Update(diff);
 
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
 
            while (uint32 eventId = events.ExecuteEvent())
            {
                switch (eventId)
                {
                    case EVENT_SHADOW_BOLT:
                        switch (urand(0, 1))
                        {
                            case 0:
                                DoCastVictim(SPELL_SHADOWBOLT_VOLLEY);
                                break;
                            case 1:
                                if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40, true))
                                    DoCast(target, SPELL_SHADOWBOLT);
                                break;
                        }
                        ResetThreatList();
                        events.ScheduleEvent(EVENT_SHADOW_BOLT, 3s, 10s);
                        break;
                    case EVENT_FEAR:
                        if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40, true))
                            DoCast(target, SPELL_FEAR);
                        events.ScheduleEvent(EVENT_FEAR, 10s, 20s);
                        break;
                    case EVENT_MIND_CONTROL:
                        if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40, true))
                            DoCast(target, SPELL_SHADOW_COMMAND);
                        events.ScheduleEvent(EVENT_MIND_CONTROL, 30s, 35s);
                        break;
                    case EVENT_SPAWN_ADD:
                        for (uint8 i = 0; i < 2; ++i)
                        {
                            uint32 CreatureID;
                            if (urand(0, 2) == 0)
                                CreatureID = NPC_CHROMATIC_DRAKANOID;
                            else
                                CreatureID = NefarianEntry[urand(0, 4)];
                            if (Creature* dragon = me->SummonCreature(CreatureID, NefarianDrakeSpawnLoc[i]))
                            {
                                dragon->SetFaction(FACTION_DRAGONFLIGHT_BLACK);
                                dragon->AI()->AttackStart(me->GetVictim());
                            }
 
                            if (++_spawnedAdds >= 42)
                            {
                                if (Creature* nefarian = me->SummonCreature(NPC_NEFARIAN, NefarianLoc[0]))
                                {
                                    nefarian->setActive(true);
                                    nefarian->SetFarVisible(true);
                                    nefarian->SetCanFly(true);
                                    nefarian->SetDisableGravity(true);
                                    nefarian->CastSpell(nullptr, SPELL_SHADOWFLAME_INITIAL);
                                    nefarian->SetHomePosition(NefarianLoc[1]);
                                    nefarian->GetMotionMaster()->MovePoint(1, NefarianLoc[1]);
                                }
                                events.CancelEvent(EVENT_MIND_CONTROL);
                                events.CancelEvent(EVENT_FEAR);
                                events.CancelEvent(EVENT_SHADOW_BOLT);
                                me->SetVisible(false);
                                return;
                            }
                        }
                        events.ScheduleEvent(EVENT_SPAWN_ADD, 4s);
                        break;
                }
 
                if (me->HasUnitState(UNIT_STATE_CASTING))
                    return;
            }
        }
    }
 
    bool OnGossipSelect(Player* player, uint32 menuId, uint32 gossipListId) override
    {
        if (menuId == GOSSIP_ID && gossipListId == GOSSIP_OPTION_ID)
        {
            CloseGossipMenuFor(player);
            Talk(SAY_GAMESBEGIN_1);
            BeginEvent(player);
        }
        return false;
    }
 
private:
    uint32 _spawnedAdds;
};
 
struct boss_nefarian : public BossAI
{
    boss_nefarian(Creature* creature) : BossAI(creature, DATA_NEFARIAN)
    {
        Initialize();
    }
 
    void Initialize()
    {
        _phase3 = false;
        _despawn = false;
        _despawnTimer = 30000;
        _sayLowHealth = false;
    }
 
    void Reset() override
    {
        Initialize();
    }
 
    void JustReachedHome() override
    {
        _despawn = true;
    }
 
    void JustEngagedWith(Unit* /*who*/) override
    {
        events.ScheduleEvent(EVENT_SHADOWFLAME, 12s);
        events.ScheduleEvent(EVENT_FEAR, 25s, 35s);
        events.ScheduleEvent(EVENT_VEILOFSHADOW, 25s, 35s);
        events.ScheduleEvent(EVENT_CLEAVE, 7s);
        //events.ScheduleEvent(EVENT_TAILLASH, 10s);
        events.ScheduleEvent(EVENT_CLASSCALL, 30s, 35s);
        Talk(SAY_RANDOM);
    }
 
    void JustDied(Unit* /*killer*/) override
    {
        _JustDied();
        Talk(SAY_DEATH);
    }
 
    void KilledUnit(Unit* victim) override
    {
        if (roll_chance_i(20))
            return;
 
        Talk(SAY_SLAY, victim);
    }
 
    void MovementInform(uint32 type, uint32 id) override
    {
        if (type != POINT_MOTION_TYPE)
            return;
 
        if (id == 1)
        {
            me->SetCanFly(false);
            me->SetDisableGravity(false);
            DoZoneInCombat();
            if (me->GetVictim())
                AttackStart(me->GetVictim());
        }
    }
 
    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damageType*/, SpellInfo const* /*spellInfo = nullptr*/) override
    {
        // Phase3 begins when health below 20 pct
        if (!_phase3 && me->HealthBelowPctDamaged(20, damage))
        {
            if (TempSummon* temp = me->ToTempSummon())
                if (Unit* owner = temp->GetSummonerUnit())
                    if (owner->IsAIEnabled())
                        owner->GetAI()->DoAction(ACTION_BONE_CONSTRUCT_START_ATTACK);
 
            _phase3 = true;
            Talk(SAY_RAISE_SKELETONS);
        }
 
        if (!_sayLowHealth && me->HealthBelowPctDamaged(5, damage))
        {
            _sayLowHealth = true;
            Talk(SAY_XHEALTH);
        }
    }
 
    void UpdateAI(uint32 diff) override
    {
        if (_despawn && _despawnTimer <= diff)
        {
            instance->SetBossState(DATA_NEFARIAN, FAIL);
            if (TempSummon* temp = me->ToTempSummon())
                if (Unit* owner = temp->GetSummonerUnit())
                    if (owner->IsAIEnabled())
                        owner->GetAI()->DoAction(ACTION_BONE_CONSTRUCT_DESPAWN);
        }
        else
            _despawnTimer -= diff;
 
        if (!UpdateVictim())
            return;
 
        if (_despawn)
            _despawn = false;
 
        events.Update(diff);
 
        if (me->HasUnitState(UNIT_STATE_CASTING))
            return;
 
        while (uint32 eventId = events.ExecuteEvent())
        {
            switch (eventId)
            {
                case EVENT_SHADOWFLAME:
                    DoCastVictim(SPELL_SHADOWFLAME);
                    events.ScheduleEvent(EVENT_SHADOWFLAME, 12s);
                    break;
                case EVENT_FEAR:
                    DoCastVictim(SPELL_BELLOWINGROAR);
                    events.ScheduleEvent(EVENT_FEAR, 25s, 35s);
                    break;
                case EVENT_VEILOFSHADOW:
                    DoCastVictim(SPELL_VEILOFSHADOW);
                    events.ScheduleEvent(EVENT_VEILOFSHADOW, 25s, 35s);
                    break;
                case EVENT_CLEAVE:
                    DoCastVictim(SPELL_CLEAVE);
                    events.ScheduleEvent(EVENT_CLEAVE, 7s);
                    break;
                case EVENT_TAILLASH:
                    // Cast NYI since we need a better check for behind target
                    DoCastVictim(SPELL_TAILLASH);
                    events.ScheduleEvent(EVENT_TAILLASH, 10s);
                    break;
                case EVENT_CLASSCALL:
                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 100.0f, true))
                        switch (target->GetClass())
                    {
                        case CLASS_MAGE:
                            Talk(SAY_MAGE);
                            DoCast(me, SPELL_MAGE);
                            break;
                        case CLASS_WARRIOR:
                            Talk(SAY_WARRIOR);
                            DoCast(me, SPELL_WARRIOR);
                            break;
                        case CLASS_DRUID:
                            Talk(SAY_DRUID);
                            DoCast(target, SPELL_DRUID);
                            break;
                        case CLASS_PRIEST:
                            Talk(SAY_PRIEST);
                            DoCast(me, SPELL_PRIEST);
                            break;
                        case CLASS_PALADIN:
                            Talk(SAY_PALADIN);
                            DoCast(me, SPELL_PALADIN);
                            break;
                        case CLASS_SHAMAN:
                            Talk(SAY_SHAMAN);
                            DoCast(me, SPELL_SHAMAN);
                            break;
                        case CLASS_WARLOCK:
                            Talk(SAY_WARLOCK);
                            DoCast(me, SPELL_WARLOCK);
                            break;
                        case CLASS_HUNTER:
                            Talk(SAY_HUNTER);
                            DoCast(me, SPELL_HUNTER);
                            break;
                        case CLASS_ROGUE:
                            Talk(SAY_ROGUE);
                            DoCast(me, SPELL_ROGUE);
                            break;
                        case CLASS_DEATH_KNIGHT:
                            Talk(SAY_DEATH_KNIGHT);
                            DoCast(me, SPELL_DEATH_KNIGHT);
                            break;
                        default:
                            break;
                    }
                    events.ScheduleEvent(EVENT_CLASSCALL, 30s, 35s);
                    break;
            }
 
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
        }
 
        DoMeleeAttackIfReady();
    }
 
private:
    bool _despawn;
    uint32 _despawnTimer;
    bool _phase3;
    bool _sayLowHealth;
};
 
void AddSC_boss_nefarian()
{
    RegisterBlackwingLairCreatureAI(boss_victor_nefarius);
    RegisterBlackwingLairCreatureAI(boss_nefarian);
}