boss_vexallus.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 "magisters_terrace.h"
#include "MotionMaster.h"
#include "ScriptedCreature.h"
 
enum Yells
{
 SAY_AGGRO = 0,
 SAY_ENERGY = 1,
 SAY_OVERLOAD = 2,
 SAY_KILL = 3,
 EMOTE_DISCHARGE_ENERGY = 4
 
 //is this text for real?
 //#define SAY_DEATH "What...happen...ed."
};
 
enum Spells
{
 SPELL_CHAIN_LIGHTNING = 44318,
 SPELL_OVERLOAD = 44353,
 SPELL_ARCANE_SHOCK = 44319,
 
 SPELL_SUMMON_PURE_ENERGY = 44322, // mod scale -10
 H_SPELL_SUMMON_PURE_ENERGY1 = 46154, // mod scale -5
 H_SPELL_SUMMON_PURE_ENERGY2 = 46159 // mod scale -5
};
 
enum Events
{
 EVENT_ENERGY_BOLT = 1,
 EVENT_ENERGY_FEEDBACK,
 EVENT_CHAIN_LIGHTNING,
 EVENT_OVERLOAD,
 EVENT_ARCANE_SHOCK
};
 
enum Misc
{
 INTERVAL_MODIFIER = 15,
 INTERVAL_SWITCH = 6
};
 
class boss_vexallus : public CreatureScript
{
 public:
 boss_vexallus() : CreatureScript("boss_vexallus") { }
 
 struct boss_vexallusAI : public BossAI
 {
 boss_vexallusAI(Creature* creature) : BossAI(creature, DATA_VEXALLUS)
 {
 _intervalHealthAmount = 1;
 _enraged = false;
 }
 
 void Reset() override
 {
 _Reset();
 _intervalHealthAmount = 1;
 _enraged = false;
 }
 
 void KilledUnit(Unit* /*victim*/) override
 {
 Talk(SAY_KILL);
 }
 
 void JustEngagedWith(Unit* who) override
 {
 Talk(SAY_AGGRO);
 BossAI::JustEngagedWith(who);
 
 events.ScheduleEvent(EVENT_CHAIN_LIGHTNING, 8s);
 events.ScheduleEvent(EVENT_ARCANE_SHOCK, 5s);
 }
 
 void JustSummoned(Creature* summoned) override
 {
 if (Unit* temp = SelectTarget(SelectTargetMethod::Random, 0))
 summoned->GetMotionMaster()->MoveFollow(temp, 0, 0);
 
 summons.Summon(summoned);
 }
 
 void DamageTaken(Unit* /*who*/, uint32& /*damage*/, DamageEffectType /*damageType*/, SpellInfo const* /*spellInfo = nullptr*/) override
 {
 if (_enraged)
 return;
 
 // 85%, 70%, 55%, 40%, 25%
 if (!HealthAbovePct(100 - INTERVAL_MODIFIER * _intervalHealthAmount))
 {
 // increase amount, unless we're at 10%, then we switch and return
 if (_intervalHealthAmount == INTERVAL_SWITCH)
 {
 _enraged = true;
 events.Reset();
 events.ScheduleEvent(EVENT_OVERLOAD, 1200ms);
 return;
 }
 else
 ++_intervalHealthAmount;
 
 Talk(SAY_ENERGY);
 Talk(EMOTE_DISCHARGE_ENERGY);
 
 if (IsHeroic())
 {
 DoCast(me, H_SPELL_SUMMON_PURE_ENERGY1);
 DoCast(me, H_SPELL_SUMMON_PURE_ENERGY2);
 }
 else
 DoCast(me, SPELL_SUMMON_PURE_ENERGY);
 }
 }
 
 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_CHAIN_LIGHTNING:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 0.0f, true))
 DoCast(target, SPELL_CHAIN_LIGHTNING);
 events.ScheduleEvent(EVENT_CHAIN_LIGHTNING, 8s);
 break;
 case EVENT_ARCANE_SHOCK:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 20.0f, true))
 DoCast(target, SPELL_ARCANE_SHOCK);
 events.ScheduleEvent(EVENT_ARCANE_SHOCK, 8s);
 break;
 case EVENT_OVERLOAD:
 DoCastVictim(SPELL_OVERLOAD);
 events.ScheduleEvent(EVENT_OVERLOAD, 2s);
 break;
 default:
 break;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 }
 
 private:
 uint32 _intervalHealthAmount;
 bool _enraged;
 };
 
 CreatureAI* GetAI(Creature* creature) const override
 {
 return GetMagistersTerraceAI<boss_vexallusAI>(creature);
 };
};
 
enum NpcPureEnergy
{
 SPELL_ENERGY_BOLT = 46156,
 SPELL_ENERGY_FEEDBACK = 44335,
 SPELL_PURE_ENERGY_PASSIVE = 44326
};
 
class npc_pure_energy : public CreatureScript
{
 public:
 npc_pure_energy() : CreatureScript("npc_pure_energy") { }
 
 struct npc_pure_energyAI : public ScriptedAI
 {
 npc_pure_energyAI(Creature* creature) : ScriptedAI(creature)
 {
 me->SetDisplayFromModel(1);
 }
 
 void JustDied(Unit* killer) override
 {
 if (killer)
 killer->CastSpell(killer, SPELL_ENERGY_FEEDBACK, true);
 me->RemoveAurasDueToSpell(SPELL_PURE_ENERGY_PASSIVE);
 }
 };
 
 CreatureAI* GetAI(Creature* creature) const override
 {
 return GetMagistersTerraceAI<npc_pure_energyAI>(creature);
 };
};
 
void AddSC_boss_vexallus()
{
 new boss_vexallus();
 new npc_pure_energy();
}