boss_onyxia.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/>.
 */
 
/* ScriptData
SDName: Boss_Onyxia
SD%Complete: 95
SDComment: <Known bugs>
               Ground visual for Deep Breath effect;
               Not summoning whelps on phase 3 (lacks info)
           </Known bugs>
SDCategory: Onyxia's Lair
EndScriptData */
 
#include "ScriptMgr.h"
#include "CellImpl.h"
#include "GridNotifiersImpl.h"
#include "InstanceScript.h"
#include "MotionMaster.h"
#include "ObjectAccessor.h"
#include "onyxias_lair.h"
#include "ScriptedCreature.h"
#include "TemporarySummon.h"
 
enum Yells
{
    // Say
    SAY_AGGRO                   = 0,
    SAY_KILL                    = 1,
    SAY_PHASE_2_TRANS           = 2,
    SAY_PHASE_3_TRANS           = 3,
    // Emote
    EMOTE_BREATH                = 4
};
 
enum Spells
{
    // Phase 1 spells
    SPELL_WING_BUFFET           = 18500,
    SPELL_FLAME_BREATH          = 18435,
    SPELL_CLEAVE                = 68868,
    SPELL_TAIL_SWEEP            = 68867,
 
    // Phase 2 spells
    SPELL_DEEP_BREATH           = 23461,
    SPELL_FIREBALL              = 18392,
 
    //Not much choise about these. We have to make own defintion on the direction/start-end point
    SPELL_BREATH_NORTH_TO_SOUTH = 17086,                    // 20x in "array"
    SPELL_BREATH_SOUTH_TO_NORTH = 18351,                    // 11x in "array"
 
    SPELL_BREATH_EAST_TO_WEST   = 18576,                    // 7x in "array"
    SPELL_BREATH_WEST_TO_EAST   = 18609,                    // 7x in "array"
 
    SPELL_BREATH_SE_TO_NW       = 18564,                    // 12x in "array"
    SPELL_BREATH_NW_TO_SE       = 18584,                    // 12x in "array"
    SPELL_BREATH_SW_TO_NE       = 18596,                    // 12x in "array"
    SPELL_BREATH_NE_TO_SW       = 18617,                    // 12x in "array"
 
    //SPELL_BREATH                = 21131,                  // 8x in "array", different initial cast than the other arrays
 
    // Phase 3 spells
    SPELL_BELLOWING_ROAR         = 18431
};
 
enum Events
{
    EVENT_BELLOWING_ROAR = 1,
    EVENT_FLAME_BREATH   = 2,
    EVENT_TAIL_SWEEP     = 3,
    EVENT_CLEAVE         = 4,
    EVENT_WING_BUFFET    = 5,
    EVENT_DEEP_BREATH    = 6,
    EVENT_MOVEMENT       = 7,
    EVENT_FIREBALL       = 8,
    EVENT_LAIR_GUARD     = 9,
    EVENT_WHELP_SPAWN    = 10
};
 
struct OnyxMove
{
    uint8 LocId;
    uint8 LocIdEnd;
    uint32 SpellId;
    float fX, fY, fZ;
};
 
static OnyxMove MoveData[8]=
{
    {0, 1, SPELL_BREATH_WEST_TO_EAST,   -33.5561f, -182.682f, -56.9457f}, //west
    {1, 0, SPELL_BREATH_EAST_TO_WEST,   -31.4963f, -250.123f, -55.1278f}, //east
    {2, 4, SPELL_BREATH_NW_TO_SE,         6.8951f, -180.246f, -55.896f}, //north-west
    {3, 5, SPELL_BREATH_NE_TO_SW,        10.2191f, -247.912f, -55.896f}, //north-east
    {4, 2, SPELL_BREATH_SE_TO_NW,       -63.5156f, -240.096f, -55.477f}, //south-east
    {5, 3, SPELL_BREATH_SW_TO_NE,       -58.2509f, -189.020f, -55.790f}, //south-west
    {6, 7, SPELL_BREATH_SOUTH_TO_NORTH, -65.8444f, -213.809f, -55.2985f}, //south
    {7, 6, SPELL_BREATH_NORTH_TO_SOUTH,  22.8763f, -217.152f, -55.0548f}, //north
};
 
Position const MiddleRoomLocation = {-23.6155f, -215.357f, -55.7344f, 0.0f};
 
Position const Phase2Location = {-80.924f, -214.299f, -82.942f, 0.0f};
Position const Phase2Floating = { -80.924f, -214.299f, -57.942f, 0.0f };
 
Position const SpawnLocations[3]=
{
    //Whelps
    {-30.127f, -254.463f, -89.440f, 0.0f},
    {-30.817f, -177.106f, -89.258f, 0.0f},
    //Lair Guard
    {-145.950f, -212.831f, -68.659f, 0.0f}
};
 
struct boss_onyxia : public BossAI
{
    boss_onyxia(Creature* creature) : BossAI(creature, DATA_ONYXIA)
    {
        Initialize();
    }
 
    void Initialize()
    {
        Phase = PHASE_START;
        MovePoint = urand(0, 5);
        PointData = GetMoveData();
        SummonWhelpCount = 0;
        triggerGUID.Clear();
        tankGUID.Clear();
        IsMoving = false;
    }
 
    void Reset() override
    {
        Initialize();
 
        SetCombatMovement(true);
        me->SetCanMelee(true);
 
        _Reset();
        me->SetReactState(REACT_AGGRESSIVE);
        instance->SetData(DATA_ONYXIA_PHASE, Phase);
    }
 
    void JustEngagedWith(Unit* who) override
    {
        BossAI::JustEngagedWith(who);
        Talk(SAY_AGGRO);
        events.ScheduleEvent(EVENT_FLAME_BREATH, 10s, 20s);
        events.ScheduleEvent(EVENT_TAIL_SWEEP, 15s, 20s);
        events.ScheduleEvent(EVENT_CLEAVE, 2s, 5s);
        events.ScheduleEvent(EVENT_WING_BUFFET, 10s, 20s);
        instance->TriggerGameEvent(ACHIEV_TIMED_START_EVENT);
    }
 
    void JustSummoned(Creature* summoned) override
    {
        DoZoneInCombat(summoned);
        if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
            summoned->AI()->AttackStart(target);
 
        switch (summoned->GetEntry())
        {
            case NPC_WHELP:
                ++SummonWhelpCount;
                break;
            case NPC_LAIRGUARD:
                summoned->setActive(true);
                summoned->SetFarVisible(true);
                break;
        }
        summons.Summon(summoned);
    }
 
    void KilledUnit(Unit* /*victim*/) override
    {
        Talk(SAY_KILL);
    }
 
    void SpellHit(WorldObject* /*caster*/, SpellInfo const* spellInfo) override
    {
        if (spellInfo->Id == SPELL_BREATH_EAST_TO_WEST ||
            spellInfo->Id == SPELL_BREATH_WEST_TO_EAST ||
            spellInfo->Id == SPELL_BREATH_SE_TO_NW ||
            spellInfo->Id == SPELL_BREATH_NW_TO_SE ||
            spellInfo->Id == SPELL_BREATH_SW_TO_NE ||
            spellInfo->Id == SPELL_BREATH_NE_TO_SW)
        {
            PointData = GetMoveData();
            MovePoint = PointData->LocIdEnd;
 
            me->SetSpeedRate(MOVE_FLIGHT, 1.5f);
            me->GetMotionMaster()->MovePoint(8, MiddleRoomLocation);
        }
    }
 
    void MovementInform(uint32 type, uint32 id) override
    {
        if (type == POINT_MOTION_TYPE)
        {
            switch (id)
            {
                case 8:
                    PointData = GetMoveData();
                    if (PointData)
                    {
                        me->SetSpeedRate(MOVE_FLIGHT, 1.0f);
                        me->GetMotionMaster()->MovePoint(PointData->LocId, PointData->fX, PointData->fY, PointData->fZ);
                    }
                    break;
                case 9:
                    me->SetCanFly(false);
                    me->SetDisableGravity(false);
                    if (Creature* trigger = ObjectAccessor::GetCreature(*me, triggerGUID))
                        Unit::Kill(me, trigger);
                    me->SetReactState(REACT_AGGRESSIVE);
                    // tank selection based on phase one. If tank is not there i take nearest one
                    if (Unit* tank = ObjectAccessor::GetUnit(*me, tankGUID))
                        me->GetMotionMaster()->MoveChase(tank);
                    else if (Unit* newtarget = SelectTarget(SelectTargetMethod::MinDistance, 0))
                        me->GetMotionMaster()->MoveChase(newtarget);
                    events.ScheduleEvent(EVENT_BELLOWING_ROAR, 5s);
                    events.ScheduleEvent(EVENT_FLAME_BREATH, 10s, 20s);
                    events.ScheduleEvent(EVENT_TAIL_SWEEP, 15s, 20s);
                    events.ScheduleEvent(EVENT_CLEAVE, 2s, 5s);
                    events.ScheduleEvent(EVENT_WING_BUFFET, 15s, 30s);
                    break;
                case 10:
                    me->SetCanFly(true);
                    me->SetDisableGravity(true);
                    me->SetFacingTo(me->GetOrientation() + float(M_PI));
                    if (Creature * trigger = me->SummonCreature(NPC_TRIGGER, MiddleRoomLocation, TEMPSUMMON_CORPSE_DESPAWN))
                        triggerGUID = trigger->GetGUID();
                    me->GetMotionMaster()->MoveTakeoff(11, Phase2Floating);
                    me->SetSpeedRate(MOVE_FLIGHT, 1.0f);
                    Talk(SAY_PHASE_2_TRANS);
                    instance->SetData(DATA_ONYXIA_PHASE, Phase);
                    events.ScheduleEvent(EVENT_WHELP_SPAWN, 5s);
                    events.ScheduleEvent(EVENT_LAIR_GUARD, 15s);
                    events.ScheduleEvent(EVENT_DEEP_BREATH, 75s);
                    events.ScheduleEvent(EVENT_MOVEMENT, 10s);
                    events.ScheduleEvent(EVENT_FIREBALL, 18s);
                    break;
                case 11:
                    if (PointData)
                        me->GetMotionMaster()->MovePoint(PointData->LocId, PointData->fX, PointData->fY, PointData->fZ);
                    me->GetMotionMaster()->MoveIdle();
                    break;
                default:
                    IsMoving = false;
                    break;
            }
        }
    }
 
    void SpellHitTarget(WorldObject* target, SpellInfo const* spellInfo) override
    {
        //Workaround - Couldn't find a way to group this spells (All Eruption)
        if (((spellInfo->Id >= 17086 && spellInfo->Id <= 17095) ||
            (spellInfo->Id == 17097) ||
            (spellInfo->Id >= 18351 && spellInfo->Id <= 18361) ||
            (spellInfo->Id >= 18564 && spellInfo->Id <= 18576) ||
            (spellInfo->Id >= 18578 && spellInfo->Id <= 18607) ||
            (spellInfo->Id == 18609) ||
            (spellInfo->Id >= 18611 && spellInfo->Id <= 18628) ||
            (spellInfo->Id >= 21132 && spellInfo->Id <= 21133) ||
            (spellInfo->Id >= 21135 && spellInfo->Id <= 21139) ||
            (spellInfo->Id >= 22191 && spellInfo->Id <= 22202) ||
            (spellInfo->Id >= 22267 && spellInfo->Id <= 22268)) &&
            (target->GetTypeId() == TYPEID_PLAYER))
        {
            instance->SetData(DATA_SHE_DEEP_BREATH_MORE, FAIL);
        }
    }
 
    OnyxMove* GetMoveData()
    {
        uint8 MaxCount = sizeof(MoveData) / sizeof(OnyxMove);
 
        for (uint8 i = 0; i < MaxCount; ++i)
        {
            if (MoveData[i].LocId == MovePoint)
                return &MoveData[i];
        }
 
        return nullptr;
    }
 
    void SetNextRandomPoint()
    {
        uint8 MaxCount = sizeof(MoveData) / sizeof(OnyxMove);
 
        uint8 iTemp = urand(0, MaxCount - 1);
 
        if (iTemp >= MovePoint)
            ++iTemp;
 
        MovePoint = iTemp;
    }
 
    void UpdateAI(uint32 diff) override
    {
        if (!UpdateVictim())
            return;
 
        //Common to PHASE_START && PHASE_END
        if (Phase == PHASE_START || Phase == PHASE_END)
        {
            //Specific to PHASE_START || PHASE_END
            if (Phase == PHASE_START)
            {
                if (HealthBelowPct(65))
                {
                    if (Unit* target = me->GetVictim())
                        tankGUID = target->GetGUID();
                    SetCombatMovement(false);
                    Phase = PHASE_BREATH;
                    me->SetReactState(REACT_PASSIVE);
                    me->AttackStop();
                    me->SetCanMelee(false);
                    me->GetMotionMaster()->MovePoint(10, Phase2Location);
                    return;
                }
            }
 
            events.Update(diff);
 
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
 
            while (uint32 eventId = events.ExecuteEvent())
            {
                switch (eventId)
                {
                    case EVENT_BELLOWING_ROAR: // Phase PHASE_END
                    {
                        DoCastVictim(SPELL_BELLOWING_ROAR);
                        // Eruption
                        GameObject* Floor = nullptr;
                        Trinity::GameObjectInRangeCheck check(me->GetPositionX(), me->GetPositionY(), me->GetPositionZ(), 15);
                        Trinity::GameObjectLastSearcher<Trinity::GameObjectInRangeCheck> searcher(me, Floor, check);
                        Cell::VisitGridObjects(me, searcher, 30.0f);
                        if (Floor)
                            instance->SetGuidData(DATA_FLOOR_ERUPTION_GUID, Floor->GetGUID());
                        events.ScheduleEvent(EVENT_BELLOWING_ROAR, 30s);
                        break;
                    }
                    case EVENT_FLAME_BREATH:   // Phase PHASE_START and PHASE_END
                        DoCastVictim(SPELL_FLAME_BREATH);
                        events.ScheduleEvent(EVENT_FLAME_BREATH, 10s, 20s);
                        break;
                    case EVENT_TAIL_SWEEP:     // Phase PHASE_START and PHASE_END
                        DoCastAOE(SPELL_TAIL_SWEEP);
                        events.ScheduleEvent(EVENT_TAIL_SWEEP, 15s, 20s);
                        break;
                    case EVENT_CLEAVE:         // Phase PHASE_START and PHASE_END
                        DoCastVictim(SPELL_CLEAVE);
                        events.ScheduleEvent(EVENT_CLEAVE, 2s, 5s);
                        break;
                    case EVENT_WING_BUFFET:    // Phase PHASE_START and PHASE_END
                        DoCastVictim(SPELL_WING_BUFFET);
                        events.ScheduleEvent(EVENT_WING_BUFFET, 15s, 30s);
                        break;
                    default:
                        break;
                }
 
                if (me->HasUnitState(UNIT_STATE_CASTING))
                    return;
            }
        }
        else
        {
            if (HealthBelowPct(40))
            {
                Phase = PHASE_END;
                instance->SetData(DATA_ONYXIA_PHASE, PHASE_END);
                Talk(SAY_PHASE_3_TRANS);
                SetCombatMovement(true);
                IsMoving = false;
                me->SetCanMelee(true);
                Position const pos = me->GetHomePosition();
                me->GetMotionMaster()->MovePoint(9, pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ() + 12.0f);
                events.ScheduleEvent(EVENT_BELLOWING_ROAR, 30s);
                return;
            }
 
            if (!me->isMoving())
                if (Creature* trigger = ObjectAccessor::GetCreature(*me, triggerGUID))
                    me->SetFacingToObject(trigger);
 
            events.Update(diff);
 
            if (me->HasUnitState(UNIT_STATE_CASTING))
                return;
 
            while (uint32 eventId = events.ExecuteEvent())
            {
                switch (eventId)
                {
                    case EVENT_DEEP_BREATH:      // Phase PHASE_BREATH
                        if (!IsMoving)
                        {
                            if (me->IsNonMeleeSpellCast(false))
                                me->InterruptNonMeleeSpells(false);
 
                            Talk(EMOTE_BREATH);
                            if (PointData) 
                                DoCast(me, PointData->SpellId);
                            events.ScheduleEvent(EVENT_DEEP_BREATH, 75s);
                        }
                        else
                            events.ScheduleEvent(EVENT_DEEP_BREATH, 1s);
                        break;
                    case EVENT_MOVEMENT:         // Phase PHASE_BREATH
                        if (!IsMoving && !(me->HasUnitState(UNIT_STATE_CASTING)))
                        {
                            SetNextRandomPoint();
                            PointData = GetMoveData();
 
                            if (!PointData)
                                return;
 
                            me->GetMotionMaster()->MovePoint(PointData->LocId, PointData->fX, PointData->fY, PointData->fZ);
                            IsMoving = true;
                            events.ScheduleEvent(EVENT_MOVEMENT, 25s);
                        }
                        else
                            events.ScheduleEvent(EVENT_MOVEMENT, 500ms);
                        break;
                    case EVENT_FIREBALL:         // Phase PHASE_BREATH
                        if (!IsMoving)
                        {
                            if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
                                DoCast(target, SPELL_FIREBALL);
                            events.ScheduleEvent(EVENT_FIREBALL, 8s);
                        }
                        else
                            events.ScheduleEvent(EVENT_FIREBALL, 1s);
                        break;
                    case EVENT_LAIR_GUARD:       // Phase PHASE_BREATH
                        me->SummonCreature(NPC_LAIRGUARD, SpawnLocations[2], TEMPSUMMON_CORPSE_DESPAWN);
                        events.ScheduleEvent(EVENT_LAIR_GUARD, 30s);
                        break;
                    case EVENT_WHELP_SPAWN:      // Phase PHASE_BREATH
                        me->SummonCreature(NPC_WHELP, SpawnLocations[0], TEMPSUMMON_CORPSE_DESPAWN);
                        me->SummonCreature(NPC_WHELP, SpawnLocations[1], TEMPSUMMON_CORPSE_DESPAWN);
                        if (SummonWhelpCount >= RAID_MODE(20, 40))
                        {
                            SummonWhelpCount = 0;
                            events.ScheduleEvent(EVENT_WHELP_SPAWN, 90s);
                        }
                        else
                            events.ScheduleEvent(EVENT_WHELP_SPAWN, 500ms);
                        break;
                    default:
                        break;
                }
 
                if (me->HasUnitState(UNIT_STATE_CASTING))
                    return;
            }
        }
    }
 
    private:
        OnyxMove* PointData;
        uint8 Phase;
        uint8 MovePoint;
        uint8 SummonWhelpCount;
        ObjectGuid triggerGUID;
        ObjectGuid tankGUID;
        bool IsMoving;
};
 
void AddSC_boss_onyxia()
{
    RegisterOnyxiasLairCreatureAI(boss_onyxia);
}