boss_selin_fireheart.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 "InstanceScript.h"
#include "magisters_terrace.h"
#include "MotionMaster.h"
#include "ObjectAccessor.h"
#include "ScriptedCreature.h"
 
enum Says
{
 SAY_AGGRO = 0,
 SAY_ENERGY = 1,
 SAY_EMPOWERED = 2,
 SAY_KILL = 3,
 SAY_DEATH = 4,
 EMOTE_CRYSTAL = 5
};
 
enum Spells
{
 // Crystal effect spells
 SPELL_FEL_CRYSTAL_DUMMY = 44329,
 SPELL_MANA_RAGE = 44320, // This spell triggers 44321, which changes scale and regens mana Requires an entry in spell_script_target
 
 // Selin's spells
 SPELL_DRAIN_LIFE = 44294,
 SPELL_FEL_EXPLOSION = 44314,
 
 SPELL_DRAIN_MANA = 46153 // Heroic only
};
 
enum Phases
{
 PHASE_NORMAL = 1,
 PHASE_DRAIN = 2
};
 
enum Events
{
 EVENT_FEL_EXPLOSION = 1,
 EVENT_DRAIN_CRYSTAL,
 EVENT_DRAIN_MANA,
 EVENT_DRAIN_LIFE,
 EVENT_EMPOWER
};
 
enum Misc
{
 ACTION_SWITCH_PHASE = 1
};
 
// @todo crystals should really be a DB creature summon group, having them in `creature` like this will cause tons of despawn/respawn bugs
class boss_selin_fireheart : public CreatureScript
{
 public:
 boss_selin_fireheart() : CreatureScript("boss_selin_fireheart") { }
 
 struct boss_selin_fireheartAI : public BossAI
 {
 boss_selin_fireheartAI(Creature* creature) : BossAI(creature, DATA_SELIN_FIREHEART), _scheduledEvents(false) { }
 
 void Reset() override
 {
 std::list<Creature*> crystals;
 me->GetCreatureListWithEntryInGrid(crystals, NPC_FEL_CRYSTAL, 250.0f);
 
 for (Creature* creature : crystals)
 creature->Respawn(true);
 
 _Reset();
 CrystalGUID.Clear();
 _scheduledEvents = false;
 }
 
 void DoAction(int32 action) override
 {
 switch (action)
 {
 case ACTION_SWITCH_PHASE:
 events.SetPhase(PHASE_NORMAL);
 events.ScheduleEvent(EVENT_FEL_EXPLOSION, 2s, 0, PHASE_NORMAL);
 AttackStart(me->GetVictim());
 me->GetMotionMaster()->MoveChase(me->GetVictim());
 break;
 default:
 break;
 }
 }
 
 void SelectNearestCrystal()
 {
 if (Creature* crystal = me->FindNearestCreature(NPC_FEL_CRYSTAL, 250.0f))
 {
 Talk(SAY_ENERGY);
 Talk(EMOTE_CRYSTAL);
 
 DoCast(crystal, SPELL_FEL_CRYSTAL_DUMMY);
 CrystalGUID = crystal->GetGUID();
 
 float x, y, z;
 crystal->GetClosePoint(x, y, z, me->GetCombatReach(), CONTACT_DISTANCE);
 
 events.SetPhase(PHASE_DRAIN);
 me->SetWalk(false);
 me->GetMotionMaster()->MovePoint(1, x, y, z);
 }
 }
 
 void ShatterRemainingCrystals()
 {
 std::list<Creature*> crystals;
 me->GetCreatureListWithEntryInGrid(crystals, NPC_FEL_CRYSTAL, 250.0f);
 
 for (Creature* crystal : crystals)
 crystal->KillSelf();
 }
 
 void JustEngagedWith(Unit* who) override
 {
 Talk(SAY_AGGRO);
 BossAI::JustEngagedWith(who);
 
 events.SetPhase(PHASE_NORMAL);
 events.ScheduleEvent(EVENT_FEL_EXPLOSION, 2100ms, 0, PHASE_NORMAL);
 }
 
 void KilledUnit(Unit* victim) override
 {
 if (victim->GetTypeId() == TYPEID_PLAYER)
 Talk(SAY_KILL);
 }
 
 void MovementInform(uint32 type, uint32 id) override
 {
 if (type == POINT_MOTION_TYPE && id == 1)
 {
 Unit* CrystalChosen = ObjectAccessor::GetUnit(*me, CrystalGUID);
 if (CrystalChosen && CrystalChosen->IsAlive())
 {
 CrystalChosen->SetUninteractible(false);
 CrystalChosen->CastSpell(me, SPELL_MANA_RAGE, true);
 events.ScheduleEvent(EVENT_EMPOWER, 10s, PHASE_DRAIN);
 }
 }
 }
 
 void JustDied(Unit* /*killer*/) override
 {
 Talk(SAY_DEATH);
 _JustDied();
 
 ShatterRemainingCrystals();
 }
 
 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_FEL_EXPLOSION:
 DoCastAOE(SPELL_FEL_EXPLOSION);
 events.ScheduleEvent(EVENT_FEL_EXPLOSION, 2s, 0, PHASE_NORMAL);
 break;
 case EVENT_DRAIN_CRYSTAL:
 SelectNearestCrystal();
 _scheduledEvents = false;
 break;
 case EVENT_DRAIN_MANA:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 45.0f, true))
 DoCast(target, SPELL_DRAIN_MANA);
 events.ScheduleEvent(EVENT_DRAIN_MANA, 10s, 0, PHASE_NORMAL);
 break;
 case EVENT_DRAIN_LIFE:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 20.0f, true))
 DoCast(target, SPELL_DRAIN_LIFE);
 events.ScheduleEvent(EVENT_DRAIN_LIFE, 10s, 0, PHASE_NORMAL);
 break;
 case EVENT_EMPOWER:
 {
 Talk(SAY_EMPOWERED);
 
 Creature* CrystalChosen = ObjectAccessor::GetCreature(*me, CrystalGUID);
 if (CrystalChosen && CrystalChosen->IsAlive())
 CrystalChosen->KillSelf();
 
 CrystalGUID.Clear();
 
 me->GetMotionMaster()->Clear();
 me->GetMotionMaster()->MoveChase(me->GetVictim());
 break;
 }
 default:
 break;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 
 if (me->GetPowerPct(POWER_MANA) < 10.f)
 {
 if (events.IsInPhase(PHASE_NORMAL) && !_scheduledEvents)
 {
 _scheduledEvents = true;
 Milliseconds timer = randtime(3s, 7s);
 events.ScheduleEvent(EVENT_DRAIN_LIFE, timer, 0, PHASE_NORMAL);
 
 if (IsHeroic())
 {
 events.ScheduleEvent(EVENT_DRAIN_CRYSTAL, 10s, 15s, 0, PHASE_NORMAL);
 events.ScheduleEvent(EVENT_DRAIN_MANA, timer + 5s, 0, PHASE_NORMAL);
 }
 else
 events.ScheduleEvent(EVENT_DRAIN_CRYSTAL, 20s, 25s, 0, PHASE_NORMAL);
 }
 }
 }
 
 private:
 ObjectGuid CrystalGUID;
 bool _scheduledEvents;
 };
 
 CreatureAI* GetAI(Creature* creature) const override
 {
 return GetMagistersTerraceAI<boss_selin_fireheartAI>(creature);
 };
};
 
class npc_fel_crystal : public CreatureScript
{
 public:
 npc_fel_crystal() : CreatureScript("npc_fel_crystal") { }
 
 struct npc_fel_crystalAI : public ScriptedAI
 {
 npc_fel_crystalAI(Creature* creature) : ScriptedAI(creature) { }
 
 void JustDied(Unit* /*killer*/) override
 {
 if (InstanceScript* instance = me->GetInstanceScript())
 {
 Creature* selin = instance->GetCreature(DATA_SELIN_FIREHEART);
 if (selin && selin->IsAlive())
 selin->AI()->DoAction(ACTION_SWITCH_PHASE);
 }
 }
 };
 
 CreatureAI* GetAI(Creature* creature) const override
 {
 return GetMagistersTerraceAI<npc_fel_crystalAI>(creature);
 };
};
 
void AddSC_boss_selin_fireheart()
{
 new boss_selin_fireheart();
 new npc_fel_crystal();
}