boss_vaelastrasz.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 "blackwing_lair.h"
#include "ObjectAccessor.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "ScriptedGossip.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
 
enum Says
{
 SAY_LINE1 = 0,
 SAY_LINE2 = 1,
 SAY_LINE3 = 2,
 SAY_HALFLIFE = 3,
 SAY_KILLTARGET = 4
};
 
enum Gossip
{
 GOSSIP_ID = 6101,
};
 
enum Spells
{
 SPELL_ESSENCEOFTHERED = 23513,
 SPELL_FLAMEBREATH = 23461,
 SPELL_FIRENOVA = 23462,
 SPELL_TAILSWIPE = 15847,
 SPELL_BURNINGADRENALINE = 18173, //Cast this one. It's what 3.3.5 DBM expects.
 SPELL_BURNINGADRENALINE_EXPLOSION = 23478,
 SPELL_CLEAVE = 19983 //Chain cleave is most likely named something different and contains a dummy effect
};
 
enum Events
{
 EVENT_SPEECH_1 = 1,
 EVENT_SPEECH_2 = 2,
 EVENT_SPEECH_3 = 3,
 EVENT_SPEECH_4 = 4,
 EVENT_ESSENCEOFTHERED = 5,
 EVENT_FLAMEBREATH = 6,
 EVENT_FIRENOVA = 7,
 EVENT_TAILSWIPE = 8,
 EVENT_CLEAVE = 9,
 EVENT_BURNINGADRENALINE_CASTER = 10,
 EVENT_BURNINGADRENALINE_TANK = 11
};
 
struct boss_vaelastrasz : public BossAI
{
 boss_vaelastrasz(Creature* creature) : BossAI(creature, DATA_VAELASTRAZ_THE_CORRUPT)
 {
 Initialize();
 creature->SetNpcFlag(UNIT_NPC_FLAG_GOSSIP);
 creature->SetFaction(FACTION_FRIENDLY);
 creature->SetUninteractible(false);
 }
 
 void Initialize()
 {
 PlayerGUID.Clear();
 HasYelled = false;
 }
 
 void Reset() override
 {
 _Reset();
 
 me->SetStandState(UNIT_STAND_STATE_DEAD);
 Initialize();
 }
 
 void JustEngagedWith(Unit* who) override
 {
 BossAI::JustEngagedWith(who);
 
 DoCast(me, SPELL_ESSENCEOFTHERED);
 me->SetHealth(me->CountPctFromMaxHealth(30));
 // now drop damage requirement to be able to take loot
 me->ResetPlayerDamageReq();
 
 events.ScheduleEvent(EVENT_CLEAVE, 10s);
 events.ScheduleEvent(EVENT_FLAMEBREATH, 15s);
 events.ScheduleEvent(EVENT_FIRENOVA, 20s);
 events.ScheduleEvent(EVENT_TAILSWIPE, 11s);
 events.ScheduleEvent(EVENT_BURNINGADRENALINE_CASTER, 15s);
 events.ScheduleEvent(EVENT_BURNINGADRENALINE_TANK, 45s);
 }
 
 void BeginSpeech(Unit* target)
 {
 PlayerGUID = target->GetGUID();
 me->RemoveNpcFlag(UNIT_NPC_FLAG_GOSSIP);
 events.ScheduleEvent(EVENT_SPEECH_1, 1s);
 }
 
 void KilledUnit(Unit* victim) override
 {
 if (rand32() % 5)
 return;
 
 Talk(SAY_KILLTARGET, victim);
 }
 
 void UpdateAI(uint32 diff) override
 {
 events.Update(diff);
 
 // Speech
 if (!UpdateVictim())
 {
 while (uint32 eventId = events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_SPEECH_1:
 Talk(SAY_LINE1);
 me->SetStandState(UNIT_STAND_STATE_STAND);
 me->HandleEmoteCommand(EMOTE_ONESHOT_TALK);
 events.ScheduleEvent(EVENT_SPEECH_2, 12s);
 break;
 case EVENT_SPEECH_2:
 Talk(SAY_LINE2);
 me->HandleEmoteCommand(EMOTE_ONESHOT_TALK);
 events.ScheduleEvent(EVENT_SPEECH_3, 12s);
 break;
 case EVENT_SPEECH_3:
 Talk(SAY_LINE3);
 me->HandleEmoteCommand(EMOTE_ONESHOT_TALK);
 events.ScheduleEvent(EVENT_SPEECH_4, 16s);
 break;
 case EVENT_SPEECH_4:
 me->SetFaction(FACTION_DRAGONFLIGHT_BLACK);
 if (Player* player = ObjectAccessor::GetPlayer(*me, PlayerGUID))
 AttackStart(player);
 break;
 }
 }
 return;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 while (uint32 eventId = events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_CLEAVE:
 events.ScheduleEvent(EVENT_CLEAVE, 15s);
 DoCastVictim(SPELL_CLEAVE);
 break;
 case EVENT_FLAMEBREATH:
 DoCastVictim(SPELL_FLAMEBREATH);
 events.ScheduleEvent(EVENT_FLAMEBREATH, 8s, 14s);
 break;
 case EVENT_FIRENOVA:
 DoCastVictim(SPELL_FIRENOVA);
 events.ScheduleEvent(EVENT_FIRENOVA, 15s);
 break;
 case EVENT_TAILSWIPE:
 //Only cast if we are behind
 /*if (!me->HasInArc(M_PI, me->GetVictim()))
 {
 DoCast(me->GetVictim(), SPELL_TAILSWIPE);
 }*/
 events.ScheduleEvent(EVENT_TAILSWIPE, 15s);
 break;
 case EVENT_BURNINGADRENALINE_CASTER:
 {
 //selects a random target that isn't the current victim and is a mana user (selects mana users) but not pets
 //it also ignores targets who have the aura. We don't want to place the debuff on the same target twice.
 if (Unit *target = SelectTarget(SelectTargetMethod::Random, 1, [&](Unit* u) { return u && !u->IsPet() && u->GetPowerType() == POWER_MANA && !u->HasAura(SPELL_BURNINGADRENALINE); }))
 {
 me->CastSpell(target, SPELL_BURNINGADRENALINE, true);
 }
 }
 //reschedule the event
 events.ScheduleEvent(EVENT_BURNINGADRENALINE_CASTER, 15s);
 break;
 case EVENT_BURNINGADRENALINE_TANK:
 //Vael has to cast it himself; contrary to the previous commit's comment. Nothing happens otherwise.
 me->CastSpell(me->GetVictim(), SPELL_BURNINGADRENALINE, true);
 events.ScheduleEvent(EVENT_BURNINGADRENALINE_TANK, 45s);
 break;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 
 // Yell if hp lower than 15%
 if (HealthBelowPct(15) && !HasYelled)
 {
 Talk(SAY_HALFLIFE);
 HasYelled = true;
 }
 }
 
 bool OnGossipSelect(Player* player, uint32 menuId, uint32 gossipListId) override
 {
 if (menuId == GOSSIP_ID && gossipListId == 0)
 {
 CloseGossipMenuFor(player);
 BeginSpeech(player);
 }
 return false;
 }
 
 private:
 ObjectGuid PlayerGUID;
 bool HasYelled;
};
 
//Need to define an aurascript for EVENT_BURNINGADRENALINE's death effect.
// 18173 - Burning Adrenaline
class spell_vael_burning_adrenaline : public AuraScript
{
 void OnAuraRemoveHandler(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
 {
 //The tooltip says the on death the AoE occurs. According to information: http://qaliaresponse.stage.lithium.com/t5/WoW-Mayhem/Surviving-Burning-Adrenaline-For-tanks/td-p/48609
 //Burning Adrenaline can be survived therefore Blizzard's implementation was an AoE bomb that went off if you were still alive and dealt
 //damage to the target. You don't have to die for it to go off. It can go off whether you live or die.
 GetTarget()->CastSpell(GetTarget(), SPELL_BURNINGADRENALINE_EXPLOSION, true);
 }
 
 void Register() override
 {
 AfterEffectRemove += AuraEffectRemoveFn(spell_vael_burning_adrenaline::OnAuraRemoveHandler, EFFECT_2, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
 }
};
 
void AddSC_boss_vaelastrasz()
{
 RegisterBlackwingLairCreatureAI(boss_vaelastrasz);
 RegisterSpellScript(spell_vael_burning_adrenaline);
}