pit_of_saron.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 "ObjectAccessor.h"
#include "PassiveAI.h"
#include "pit_of_saron.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "SpellScript.h"
#include "Vehicle.h"
 
enum Spells
{
 SPELL_FIREBALL = 69583, //Ymirjar Flamebearer
 SPELL_HELLFIRE = 69586,
 SPELL_TACTICAL_BLINK = 69584,
 SPELL_FROST_BREATH = 69527, //Iceborn Proto-Drake
 SPELL_LEAPING_FACE_MAUL = 69504, // Geist Ambusher
};
 
enum Events
{
 // Ymirjar Flamebearer
 EVENT_FIREBALL = 1,
 EVENT_TACTICAL_BLINK = 2,
};
 
bool ScheduledIcicleSummons::Execute(uint64 /*time*/, uint32 /*diff*/)
{
 if (roll_chance_i(12))
 {
 _trigger->CastSpell(_trigger, SPELL_ICICLE_SUMMON, true);
 _trigger->m_Events.AddEvent(new ScheduledIcicleSummons(_trigger), _trigger->m_Events.CalculateTime(randtime(20s, 35s)));
 }
 else
 _trigger->m_Events.AddEvent(new ScheduledIcicleSummons(_trigger), _trigger->m_Events.CalculateTime(randtime(1s, 20s)));
 
 return true;
}
 
struct npc_ymirjar_flamebearer: public ScriptedAI
{
 npc_ymirjar_flamebearer(Creature* creature) : ScriptedAI(creature)
 {
 }
 
 void Reset() override
 {
 _events.Reset();
 }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 _events.ScheduleEvent(EVENT_FIREBALL, 4s);
 _events.ScheduleEvent(EVENT_TACTICAL_BLINK, 15s);
 }
 
 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_FIREBALL:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_FIREBALL);
 _events.RescheduleEvent(EVENT_FIREBALL, 5s);
 break;
 case EVENT_TACTICAL_BLINK:
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
 DoCast(target, SPELL_TACTICAL_BLINK);
 DoCast(me, SPELL_HELLFIRE);
 _events.RescheduleEvent(EVENT_TACTICAL_BLINK, 12s);
 break;
 default:
 break;
 }
 }
 }
 
private:
 EventMap _events;
};
 
struct npc_iceborn_protodrake: public ScriptedAI
{
 npc_iceborn_protodrake(Creature* creature) : ScriptedAI(creature)
 {
 Initialize();
 }
 
 void Initialize()
 {
 _frostBreathCooldown = 5000;
 }
 
 void Reset() override
 {
 Initialize();
 }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 if (Vehicle* _vehicle = me->GetVehicleKit())
 _vehicle->RemoveAllPassengers();
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim())
 return;
 
 if (_frostBreathCooldown < diff)
 {
 DoCastVictim(SPELL_FROST_BREATH);
 _frostBreathCooldown = 10000;
 }
 else
 _frostBreathCooldown -= diff;
 }
 
private:
 uint32 _frostBreathCooldown;
};
 
struct npc_geist_ambusher: public ScriptedAI
{
 npc_geist_ambusher(Creature* creature) : ScriptedAI(creature)
 {
 Initialize();
 }
 
 void Initialize()
 {
 _leapingFaceMaulCooldown = 9000;
 }
 
 void Reset() override
 {
 Initialize();
 }
 
 void JustEngagedWith(Unit* who) override
 {
 if (who->GetTypeId() != TYPEID_PLAYER)
 return;
 
 // the max range is determined by aggro range
 if (me->GetDistance(who) > 5.0f)
 DoCast(who, SPELL_LEAPING_FACE_MAUL);
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim())
 return;
 
 if (_leapingFaceMaulCooldown < diff)
 {
 if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 5.0f, true))
 DoCast(target, SPELL_LEAPING_FACE_MAUL);
 _leapingFaceMaulCooldown = urand(9000, 14000);
 }
 else
 _leapingFaceMaulCooldown -= diff;
 }
 
private:
 uint32 _leapingFaceMaulCooldown;
};
 
struct npc_pit_of_saron_icicle : public PassiveAI
{
 npc_pit_of_saron_icicle(Creature* creature) : PassiveAI(creature)
 {
 me->SetDisplayFromModel(0);
 }
 
 void IsSummonedBy(WorldObject* summoner) override
 {
 _summonerGUID = summoner->GetGUID();
 
 _scheduler.Schedule(Milliseconds(3650), [this](TaskContext /*context*/)
 {
 DoCastSelf(SPELL_ICICLE_FALL_TRIGGER, true);
 DoCastSelf(SPELL_ICICLE_FALL_VISUAL);
 
 if (Unit* caster = ObjectAccessor::GetUnit(*me, _summonerGUID))
 caster->RemoveDynObject(SPELL_ICICLE_SUMMON);
 });
 }
 
 void UpdateAI(uint32 diff) override
 {
 _scheduler.Update(diff);
 }
 
private:
 TaskScheduler _scheduler;
 ObjectGuid _summonerGUID;
};
 
// 70827 - Ice Shards
class spell_pos_ice_shards : public SpellScript
{
 bool Load() override
 {
 // This script should execute only in Pit of Saron
 return InstanceHasScript(GetCaster(), PoSScriptName);
 }
 
 void HandleScriptEffect(SpellEffIndex /*effIndex*/)
 {
 if (GetHitPlayer())
 GetCaster()->GetInstanceScript()->SetData(DATA_ICE_SHARDS_HIT, 1);
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_pos_ice_shards::HandleScriptEffect, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
 }
};
 
enum TyrannusEventCavernEmote
{
 SAY_TYRANNUS_CAVERN_ENTRANCE = 3
};
 
class at_pit_cavern_entrance : public AreaTriggerScript
{
 public:
 at_pit_cavern_entrance() : AreaTriggerScript("at_pit_cavern_entrance") { }
 
 bool OnTrigger(Player* player, AreaTriggerEntry const* /*areaTrigger*/) override
 {
 if (InstanceScript* instance = player->GetInstanceScript())
 {
 if (instance->GetData(DATA_CAVERN_ACTIVE))
 return true;
 
 instance->SetData(DATA_CAVERN_ACTIVE, 1);
 
 if (Creature* tyrannus = ObjectAccessor::GetCreature(*player, instance->GetGuidData(DATA_TYRANNUS_EVENT)))
 tyrannus->AI()->Talk(SAY_TYRANNUS_CAVERN_ENTRANCE);
 }
 return true;
 }
};
 
class at_pit_cavern_end : public AreaTriggerScript
{
public:
 at_pit_cavern_end() : AreaTriggerScript("at_pit_cavern_end") { }
 
 bool OnTrigger(Player* player, AreaTriggerEntry const* /*areaTrigger*/) override
 {
 if (InstanceScript* instance = player->GetInstanceScript())
 {
 instance->SetData(DATA_CAVERN_ACTIVE, 0);
 
 if (!instance->GetData(DATA_ICE_SHARDS_HIT))
 instance->DoUpdateCriteria(CriteriaType::BeSpellTarget, SPELL_DONT_LOOK_UP_ACHIEV_CREDIT, 0, player);
 }
 
 return true;
 }
};
 
void AddSC_pit_of_saron()
{
 RegisterPitOfSaronCreatureAI(npc_ymirjar_flamebearer);
 RegisterPitOfSaronCreatureAI(npc_iceborn_protodrake);
 RegisterPitOfSaronCreatureAI(npc_geist_ambusher);
 RegisterPitOfSaronCreatureAI(npc_pit_of_saron_icicle);
 RegisterSpellScript(spell_pos_ice_shards);
 new at_pit_cavern_entrance();
 new at_pit_cavern_end();
}