boss_teron_gorefiend.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 "InstanceScript.h"
#include "MotionMaster.h"
#include "ObjectAccessor.h"
#include "PassiveAI.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
#include "TemporarySummon.h"
 
enum Says
{
 SAY_INTRO = 0,
 SAY_AGGRO = 1,
 SAY_SLAY = 2,
 SAY_INCINERATE = 3,
 SAY_BLOSSOM = 4,
 SAY_CRUSHING = 5,
 SAY_DEATH = 6
};
 
enum Spells
{
 //Teron
 SPELL_INCINERATE = 40239,
 SPELL_CRUSHING_SHADOWS = 40243,
 SPELL_SHADOW_OF_DEATH = 40251,
 SPELL_SHADOW_OF_DEATH_REMOVE = 41999,
 SPELL_BERSERK = 45078,
 SPELL_SUMMON_DOOM_BLOSSOM = 40188,
 
 //Doom Blossom
 SPELL_SUMMON_BLOSSOM_MOVE_TARGET = 40186,
 SPELL_SHADOWBOLT = 40185,
 
 //Shadow Construct
 SPELL_ATROPHY = 40327,
 
 //Player
 SPELL_SUMMON_SPIRIT = 40266,
 SPELL_SPIRITUAL_VENGEANCE = 40268,
 SPELL_POSSESS_SPIRIT_IMMUNE = 40282,
 SPELL_SUMMON_SKELETRON_1 = 40270,
 SPELL_SUMMON_SKELETRON_2 = 41948,
 SPELL_SUMMON_SKELETRON_3 = 41949,
 SPELL_SUMMON_SKELETRON_4 = 41950,
 
 //Vengeful Spirit
 SPELL_SPIRIT_STRIKE = 40325,
 SPELL_SPIRIT_CHAINS = 40175,
 SPELL_SPIRIT_VOLLEY = 40314,
 SPELL_SPIRIT_SHIELD = 40322,
 SPELL_SPIRIT_LANCE = 40157
};
 
enum Npcs
{
 NPC_DOOM_BLOSSOM = 23123,
 NPC_SHADOWY_CONSTRUCT = 23111,
 NPC_VENGEFUL_SPIRIT = 23109 //Npc controlled by player
};
 
enum Events
{
 EVENT_ENRAGE = 1,
 EVENT_INCINERATE,
 EVENT_SUMMON_DOOM_BLOSSOM,
 EVENT_SHADOW_DEATH,
 EVENT_CRUSHING_SHADOWS
};
 
enum Actions
{
 ACTION_START_INTRO = 1
};
 
uint32 const SkeletronSpells[4] =
{
 SPELL_SUMMON_SKELETRON_1,
 SPELL_SUMMON_SKELETRON_2,
 SPELL_SUMMON_SKELETRON_3,
 SPELL_SUMMON_SKELETRON_4
};
 
struct boss_teron_gorefiend : public BossAI
{
 boss_teron_gorefiend(Creature* creature) : BossAI(creature, DATA_TERON_GOREFIEND) { }
 
 void JustEngagedWith(Unit* who) override
 {
 BossAI::JustEngagedWith(who);
 Talk(SAY_AGGRO);
 events.ScheduleEvent(EVENT_ENRAGE, 10min);
 events.ScheduleEvent(EVENT_INCINERATE, 12s);
 events.ScheduleEvent(EVENT_SUMMON_DOOM_BLOSSOM, 8s);
 events.ScheduleEvent(EVENT_SHADOW_DEATH, 8s);
 events.ScheduleEvent(EVENT_CRUSHING_SHADOWS, 18s);
 }
 
 void EnterEvadeMode(EvadeReason /*why*/) override
 {
 DoCast(SPELL_SHADOW_OF_DEATH_REMOVE);
 summons.DespawnAll();
 _DespawnAtEvade();
 }
 
 void DoAction(int32 action) override
 {
 if (action == ACTION_START_INTRO && me->IsAlive())
 Talk(SAY_INTRO);
 }
 
 void KilledUnit(Unit* victim) override
 {
 if (victim->GetTypeId() == TYPEID_PLAYER)
 Talk(SAY_SLAY);
 }
 
 void JustDied(Unit* /*killer*/) override
 {
 Talk(SAY_DEATH);
 DoCast(SPELL_SHADOW_OF_DEATH_REMOVE);
 _JustDied();
 }
 
 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_ENRAGE:
 DoCast(SPELL_BERSERK);
 break;
 case EVENT_INCINERATE:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_INCINERATE);
 Talk(SAY_INCINERATE);
 events.Repeat(Seconds(12), Seconds(20));
 break;
 case EVENT_SUMMON_DOOM_BLOSSOM:
 DoCastSelf(SPELL_SUMMON_DOOM_BLOSSOM, true);
 Talk(SAY_BLOSSOM);
 events.Repeat(Seconds(30), Seconds(40));
 break;
 case EVENT_SHADOW_DEATH:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1, 100.0f, true, true, -SPELL_SPIRITUAL_VENGEANCE))
 DoCast(target, SPELL_SHADOW_OF_DEATH);
 events.Repeat(Seconds(30), Seconds(35));
 break;
 case EVENT_CRUSHING_SHADOWS:
 DoCastSelf(SPELL_CRUSHING_SHADOWS, { SPELLVALUE_MAX_TARGETS, 5 });
 Talk(SAY_CRUSHING);
 events.Repeat(Seconds(18), Seconds(30));
 break;
 default:
 break;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 }
};
 
struct npc_doom_blossom : public NullCreatureAI
{
 npc_doom_blossom(Creature* creature) : NullCreatureAI(creature), _instance(me->GetInstanceScript()) { }
 
 void Reset() override
 {
 /* Workaround - Until SMSG_SET_PLAY_HOVER_ANIM be implemented */
 Position pos;
 pos.Relocate(me);
 pos.m_positionZ += 8.0f;
 me->GetMotionMaster()->MoveTakeoff(0, pos);
 
 DoCast(SPELL_SUMMON_BLOSSOM_MOVE_TARGET);
 _scheduler.CancelAll();
 DoZoneInCombat();
 _scheduler.Schedule(Seconds(12), [this](TaskContext shadowBolt)
 {
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_SHADOWBOLT);
 
 shadowBolt.Repeat(Seconds(2));
 });
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 _scheduler.Update(diff);
 }
 
private:
 TaskScheduler _scheduler;
 InstanceScript* _instance;
};
 
struct npc_shadowy_construct : public ScriptedAI
{
 npc_shadowy_construct(Creature* creature) : ScriptedAI(creature), _instance(creature->GetInstanceScript()) { }
 
 void Reset() override
 {
 if (_instance->GetBossState(DATA_TERON_GOREFIEND) != IN_PROGRESS)
 {
 me->DespawnOrUnsummon();
 return;
 }
 
 targetGUID.Clear();
 _scheduler.CancelAll();
 _scheduler.Schedule(Seconds(12), [this](TaskContext atrophy)
 {
 DoCastVictim(SPELL_ATROPHY);
 atrophy.Repeat(Seconds(10), Seconds(12));
 });
 _scheduler.Schedule(Milliseconds(200), [this](TaskContext checkPlayer)
 {
 if (Unit* target = ObjectAccessor::GetUnit(*me, targetGUID))
 {
 if (!target->IsAlive() || !me->CanCreatureAttack(target))
 SelectNewTarget();
 }
 else
 SelectNewTarget();
 
 checkPlayer.Repeat(Seconds(1));
 });
 
 if (Creature* teron = _instance->GetCreature(DATA_TERON_GOREFIEND))
 teron->AI()->JustSummoned(me);
 
 SelectNewTarget();
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 _scheduler.Update(diff);
 }
 
 void SelectNewTarget()
 {
 if (Creature* teron = _instance->GetCreature(DATA_TERON_GOREFIEND))
 {
 Unit* target = teron->AI()->SelectTarget(SelectTargetMethod::Random, 0, 100.0f, true, true, -SPELL_SPIRITUAL_VENGEANCE);
 // He should target Vengeful Spirits only if has no other player available
 if (!target)
 target = teron->AI()->SelectTarget(SelectTargetMethod::Random, 0);
 
 if (target)
 {
 ResetThreatList();
 AttackStart(target);
 AddThreat(target, 1000000.0f);
 targetGUID = target->GetGUID();
 }
 }
 }
 
private:
 TaskScheduler _scheduler;
 InstanceScript* _instance;
 ObjectGuid targetGUID;
};
 
// 40251 - Shadow of Death
class spell_teron_gorefiend_shadow_of_death : public AuraScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo(
 {
 SPELL_SUMMON_SPIRIT,
 SPELL_POSSESS_SPIRIT_IMMUNE,
 SPELL_SPIRITUAL_VENGEANCE,
 SPELL_SUMMON_SKELETRON_1,
 SPELL_SUMMON_SKELETRON_2,
 SPELL_SUMMON_SKELETRON_3,
 SPELL_SUMMON_SKELETRON_4
 });
 }
 
 void Absorb(AuraEffect* /*aurEff*/, DamageInfo& /*dmgInfo*/, uint32& /*absorbAmount*/)
 {
 PreventDefaultAction();
 }
 
 void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
 {
 if (GetTargetApplication()->GetRemoveMode() == AURA_REMOVE_BY_EXPIRE)
 {
 Unit* target = GetTarget();
 target->CastSpell(target, SPELL_SUMMON_SPIRIT, true);
 
 for (uint8 i = 0; i < 4; ++i)
 target->CastSpell(target, SkeletronSpells[i], true);
 
 target->CastSpell(target, SPELL_POSSESS_SPIRIT_IMMUNE, true);
 target->CastSpell(target, SPELL_SPIRITUAL_VENGEANCE, true);
 }
 }
 
 void Register() override
 {
 OnEffectAbsorb += AuraEffectAbsorbFn(spell_teron_gorefiend_shadow_of_death::Absorb, EFFECT_0);
 AfterEffectRemove += AuraEffectRemoveFn(spell_teron_gorefiend_shadow_of_death::OnRemove, EFFECT_1, SPELL_AURA_OVERRIDE_CLASS_SCRIPTS, AURA_EFFECT_HANDLE_REAL);
 }
};
 
// 40268 - Spiritual Vengeance
class spell_teron_gorefiend_spiritual_vengeance : public AuraScript
{
 void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
 {
 GetTarget()->KillSelf();
 }
 
 void Register() override
 {
 AfterEffectRemove += AuraEffectRemoveFn(spell_teron_gorefiend_spiritual_vengeance::OnRemove, EFFECT_0, SPELL_AURA_MOD_POSSESS, AURA_EFFECT_HANDLE_REAL);
 }
};
 
// 41999 - Shadow of Death Remove
class spell_teron_gorefiend_shadow_of_death_remove : public SpellScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo(
 {
 SPELL_SHADOW_OF_DEATH,
 SPELL_POSSESS_SPIRIT_IMMUNE,
 SPELL_SPIRITUAL_VENGEANCE
 });
 }
 
 void RemoveAuras()
 {
 Unit* target = GetHitUnit();
 
 target->RemoveAurasDueToSpell(SPELL_POSSESS_SPIRIT_IMMUNE);
 target->RemoveAurasDueToSpell(SPELL_SPIRITUAL_VENGEANCE);
 target->RemoveAurasDueToSpell(SPELL_SHADOW_OF_DEATH);
 }
 
 void Register() override
 {
 OnHit += SpellHitFn(spell_teron_gorefiend_shadow_of_death_remove::RemoveAuras);
 }
};
 
class at_teron_gorefiend_entrance : public OnlyOnceAreaTriggerScript
{
public:
 at_teron_gorefiend_entrance() : OnlyOnceAreaTriggerScript("at_teron_gorefiend_entrance") { }
 
 bool TryHandleOnce(Player* player, AreaTriggerEntry const* /*areaTrigger*/) override
 {
 if (InstanceScript* instance = player->GetInstanceScript())
 if (Creature* teron = instance->GetCreature(DATA_TERON_GOREFIEND))
 teron->AI()->DoAction(ACTION_START_INTRO);
 
 return true;
 }
};
 
void AddSC_boss_teron_gorefiend()
{
 RegisterBlackTempleCreatureAI(boss_teron_gorefiend);
 RegisterBlackTempleCreatureAI(npc_doom_blossom);
 RegisterBlackTempleCreatureAI(npc_shadowy_construct);
 RegisterSpellScript(spell_teron_gorefiend_shadow_of_death);
 RegisterSpellScript(spell_teron_gorefiend_spiritual_vengeance);
 RegisterSpellScript(spell_teron_gorefiend_shadow_of_death_remove);
 new at_teron_gorefiend_entrance();
}