boss_hungarfen.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"
#include "SpellAuras.h"
#include "the_underbog.h"
 
enum HungarfenTexts
{
 EMOTE_ROARS = 0
};
 
enum HungarfenSpells
{
 SPELL_FOUL_SPORES = 31673,
 SPELL_SUMMON_UNDERBOG_MUSHROOM = 31692,
 SPELL_PUTRID_MUSHROOM_PRIMER = 31693,
 SPELL_DESPAWN_UNDERBOG_MUSHROOMS = 34874,
 SPELL_ACID_GEYSER = 38739,
 
 SPELL_SPORE_CLOUD = 34168,
 SPELL_PUTRID_MUSHROOM = 31690,
 SPELL_SHRINK = 31691,
 SPELL_GROW = 31698
};
 
struct boss_hungarfen : public BossAI
{
 boss_hungarfen(Creature* creature) : BossAI(creature, DATA_HUNGARFEN), _roared(false) { }
 
 void Reset() override
 {
 BossAI::Reset();
 _roared = false;
 me->SetReactState(REACT_AGGRESSIVE);
 }
 
 void JustEngagedWith(Unit* who) override
 {
 BossAI::JustEngagedWith(who);
 _scheduler.Schedule(IsHeroic() ? 2500ms : 5s, [this](TaskContext task)
 {
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 target->CastSpell(target, SPELL_SUMMON_UNDERBOG_MUSHROOM, true);
 task.Repeat(IsHeroic() ? 2500ms : 10s);
 });
 
 if (IsHeroic())
 {
 _scheduler.Schedule(3s, 5s, [this](TaskContext task)
 {
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_ACID_GEYSER);
 task.Repeat(10s, 15s);
 });
 }
 }
 
 void EnterEvadeMode(EvadeReason why) override
 {
 DoCastSelf(SPELL_DESPAWN_UNDERBOG_MUSHROOMS, true);
 BossAI::EnterEvadeMode(why);
 }
 
 void JustDied(Unit* killer) override
 {
 DoCastSelf(SPELL_DESPAWN_UNDERBOG_MUSHROOMS, true);
 BossAI::JustDied(killer);
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim())
 return;
 
 _scheduler.Update(diff);
 
 if (!HealthAbovePct(20) && !_roared)
 {
 Talk(EMOTE_ROARS);
 _roared = true;
 me->SetReactState(REACT_PASSIVE);
 
 _scheduler.Schedule(2s, [this](TaskContext /*task*/)
 {
 DoCastSelf(SPELL_FOUL_SPORES);
 me->SetReactState(REACT_AGGRESSIVE);
 });
 }
 }
 
private:
 TaskScheduler _scheduler;
 bool _roared;
};
 
struct npc_underbog_mushroom : public ScriptedAI
{
 npc_underbog_mushroom(Creature* creature) : ScriptedAI(creature), _counter(0) { }
 
 void InitializeAI() override
 {
 _counter = RAND(8, 9, 10);
 me->SetReactState(REACT_PASSIVE);
 DoCastSelf(SPELL_SHRINK);
 DoCastSelf(SPELL_PUTRID_MUSHROOM);
 
 _scheduler.Schedule(1s, [this](TaskContext task)
 {
 DoCastSelf(SPELL_GROW);
 
 // It's random(sniffs), makes them grow to different size. We need here count of stacks
 // and not task repeat counter because first stack is applied not when task is repeated
 Aura* growAura = me->GetAura(SPELL_GROW);
 if (growAura && growAura->GetStackAmount() != _counter)
 task.Repeat(2s);
 else
 {
 task.Schedule(1s, [this](TaskContext task)
 {
 DoCastSelf(SPELL_SPORE_CLOUD);
 
 task.Schedule(4s, [this](TaskContext /*task*/)
 {
 me->RemoveAurasDueToSpell(SPELL_GROW);
 me->DespawnOrUnsummon(4s);
 });
 });
 }
 });
 }
 
 void UpdateAI(uint32 diff) override
 {
 _scheduler.Update(diff);
 }
 
private:
 TaskScheduler _scheduler;
 uint32 _counter;
};
 
void AddSC_boss_hungarfen()
{
 RegisterTheUnderbogCreatureAI(boss_hungarfen);
 RegisterTheUnderbogCreatureAI(npc_underbog_mushroom);
}