boss_doomwalker.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 "ScriptedCreature.h"
 
enum Texts
{
 SAY_AGGRO = 0,
 SAY_EARTHQUAKE = 1,
 SAY_OVERRUN = 2,
 SAY_SLAY = 3,
 SAY_DEATH = 4
};
 
enum Spells
{
 SPELL_EARTHQUAKE = 32686,
 SPELL_SUNDER_ARMOR = 33661,
 SPELL_CHAIN_LIGHTNING = 33665,
 SPELL_OVERRUN = 32636,
 SPELL_ENRAGE = 33653,
 SPELL_MARK_DEATH = 37128,
 SPELL_AURA_DEATH = 37131
};
 
enum Events
{
 EVENT_ENRAGE = 1,
 EVENT_ARMOR = 2,
 EVENT_CHAIN = 3,
 EVENT_QUAKE = 4,
 EVENT_OVERRUN = 5
};
 
struct boss_doomwalker : public ScriptedAI
{
 boss_doomwalker(Creature* creature) : ScriptedAI(creature)
 {
 Initialize();
 }
 
 void Initialize()
 {
 _inEnrage = false;
 }
 
 void Reset() override
 {
 _events.Reset();
 _events.ScheduleEvent(EVENT_ENRAGE, 0s);
 _events.ScheduleEvent(EVENT_ARMOR, 5s, 13s);
 _events.ScheduleEvent(EVENT_CHAIN, 10s, 30s);
 _events.ScheduleEvent(EVENT_QUAKE, 25s, 35s);
 _events.ScheduleEvent(EVENT_OVERRUN, 30s, 45s);
 Initialize();
 }
 
 void KilledUnit(Unit* victim) override
 {
 victim->CastSpell(victim, SPELL_MARK_DEATH, true);
 
 if (urand(0, 4))
 return;
 
 Talk(SAY_SLAY);
 }
 
 void JustDied(Unit* /*killer*/) override
 {
 Talk(SAY_DEATH);
 }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 Talk(SAY_AGGRO);
 }
 
 void MoveInLineOfSight(Unit* who) override
 
 {
 if (who && who->GetTypeId() == TYPEID_PLAYER && me->IsValidAttackTarget(who))
 if (who->HasAura(SPELL_MARK_DEATH))
 who->CastSpell(who, SPELL_AURA_DEATH, 1);
 }
 
 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:
 if (!HealthAbovePct(20))
 {
 DoCast(me, SPELL_ENRAGE);
 _events.ScheduleEvent(EVENT_ENRAGE, 6s);
 _inEnrage = true;
 }
 break;
 case EVENT_OVERRUN:
 Talk(SAY_OVERRUN);
 DoCastVictim(SPELL_OVERRUN);
 _events.ScheduleEvent(EVENT_OVERRUN, 25s, 40s);
 break;
 case EVENT_QUAKE:
 if (urand(0, 1))
 return;
 
 Talk(SAY_EARTHQUAKE);
 
 //remove enrage before casting earthquake because enrage + earthquake = 16000dmg over 8sec and all dead
 if (_inEnrage)
 me->RemoveAurasDueToSpell(SPELL_ENRAGE);
 
 DoCast(me, SPELL_EARTHQUAKE);
 _events.ScheduleEvent(EVENT_QUAKE, 30s, 55s);
 break;
 case EVENT_CHAIN:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 1, 0.0f, true))
 DoCast(target, SPELL_CHAIN_LIGHTNING);
 _events.ScheduleEvent(EVENT_CHAIN, 7s, 27s);
 break;
 case EVENT_ARMOR:
 DoCastVictim(SPELL_SUNDER_ARMOR);
 _events.ScheduleEvent(EVENT_ARMOR, 10s, 25s);
 break;
 default:
 break;
 }
 }
 }
 
 private:
 EventMap _events;
 bool _inEnrage;
};
 
void AddSC_boss_doomwalker()
{
 RegisterCreatureAI(boss_doomwalker);
}