boss_elder_leaxa.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 "CreatureAI.h"
#include "CreatureAIImpl.h"
#include "Containers.h"
#include "InstanceScript.h"
#include "MotionMaster.h"
#include "ScriptMgr.h"
#include "ScriptedCreature.h"
#include "SpellScript.h"
#include "SpellAuras.h"
#include "underrot.h"
 
enum LeaxaSpells
{
 SPELL_TAINT_OF_GHUUN = 260685,
 SPELL_BLOOD_BOLT = 260879,
 SPELL_SANGUINE_FEAST = 264747,
 SPELL_CREEPING_ROT_SELECTOR = 260889,
 SPELL_CREEPING_ROT_SUMMON = 260894,
 SPELL_CREEPING_ROT_SPAWN_VISUAL = 260891,
 SPELL_CREEPING_ROT_AURA = 261496,
 SPELL_CREEPING_ROT_PERIODIC_DMG = 261498,
 SPELL_BLOOD_MIRROR_SELECTOR = 264603,
 SPELL_BLOOD_MIRROR_MISSILE = 264609
};
 
enum LeaxaEvents
{
 EVENT_BLOOD_BOLT = 1,
 EVENT_CREEPING_ROT,
 EVENT_SANGUINE_FEAST,
 EVENT_BLOOD_MIRROR
};
 
enum LeaxaTexts
{
 SAY_AGGRO = 0,
 SAY_SANGUINE_FEAST = 1,
 SAY_ROT_AND_WITHER = 2,
 SAY_BLOOD_MIRROR = 3,
 SAY_ANNOUNCE_BLOOD_MIRROR = 4,
 SAY_DEATH = 5
};
 
enum LeaxaAnimKits
{
 ANIMKIT_BLOOD_EFFIGY_DEATH = 9798
};
 
// 131318 - Elder Leaxa
struct boss_elder_leaxa : public BossAI
{
 boss_elder_leaxa(Creature* creature) : BossAI(creature, DATA_ELDER_LEAXA) { }
 
 void JustDied(Unit* /*killer*/) override
 {
 _JustDied();
 instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
 
 Talk(SAY_DEATH);
 }
 
 void EnterEvadeMode(EvadeReason /*why*/) override
 {
 instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
 summons.DespawnAll();
 _EnterEvadeMode();
 _DespawnAtEvade();
 }
 
 void JustEngagedWith(Unit* who) override
 {
 BossAI::JustEngagedWith(who);
 instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me, 1);
 
 Talk(SAY_AGGRO);
 me->SetAIAnimKitId(0);
 events.ScheduleEvent(EVENT_BLOOD_BOLT, 1s);
 if (IsHeroicOrHigher())
 events.ScheduleEvent(EVENT_SANGUINE_FEAST, 8s);
 events.ScheduleEvent(EVENT_CREEPING_ROT, 12s);
 events.ScheduleEvent(EVENT_BLOOD_MIRROR, 17s);
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim())
 return;
 
 events.Update(diff);
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 switch (events.ExecuteEvent())
 {
 case EVENT_BLOOD_BOLT:
 DoCastVictim(SPELL_BLOOD_BOLT);
 events.ScheduleEvent(EVENT_BLOOD_BOLT, 6s);
 break;
 case EVENT_SANGUINE_FEAST:
 Talk(SAY_SANGUINE_FEAST);
 DoCastAOE(SPELL_SANGUINE_FEAST);
 events.ScheduleEvent(EVENT_SANGUINE_FEAST, 30s);
 break;
 case EVENT_CREEPING_ROT:
 Talk(SAY_ROT_AND_WITHER);
 DoCastAOE(SPELL_CREEPING_ROT_SELECTOR);
 events.ScheduleEvent(EVENT_CREEPING_ROT, 16s);
 break;
 case EVENT_BLOOD_MIRROR:
 Talk(SAY_BLOOD_MIRROR);
 Talk(SAY_ANNOUNCE_BLOOD_MIRROR);
 DoCastSelf(SPELL_BLOOD_MIRROR_SELECTOR);
 events.ScheduleEvent(EVENT_BLOOD_MIRROR, 47s);
 break;
 default:
 break;
 }
 }
};
 
// 134701 - Blood Effigy
struct npc_blood_effigy : public ScriptedAI
{
 npc_blood_effigy(Creature* creature) : ScriptedAI(creature) { }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 _events.ScheduleEvent(EVENT_BLOOD_BOLT, 1s);
 _events.ScheduleEvent(EVENT_SANGUINE_FEAST, 8s);
 _events.ScheduleEvent(EVENT_CREEPING_ROT, 12s);
 }
 
 void JustDied(Unit* /*killer*/) override
 {
 me->SetAIAnimKitId(ANIMKIT_BLOOD_EFFIGY_DEATH);
 me->DespawnOrUnsummon(3s);
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim())
 return;
 
 _events.Update(diff);
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 switch (_events.ExecuteEvent())
 {
 case EVENT_BLOOD_BOLT:
 DoCastVictim(SPELL_BLOOD_BOLT);
 _events.ScheduleEvent(EVENT_BLOOD_BOLT, 2s);
 break;
 case EVENT_SANGUINE_FEAST:
 DoCastAOE(SPELL_SANGUINE_FEAST);
 _events.ScheduleEvent(EVENT_SANGUINE_FEAST, 30s);
 break;
 case EVENT_CREEPING_ROT:
 DoCastAOE(SPELL_CREEPING_ROT_SELECTOR);
 _events.ScheduleEvent(EVENT_CREEPING_ROT, 16s);
 break;
 default:
 break;
 }
 }
private:
 EventMap _events;
};
 
// 132398 - Blood Wave Stalker
struct npc_blood_wave_stalker : public ScriptedAI
{
 npc_blood_wave_stalker(Creature* creature) : ScriptedAI(creature) { }
 
 static constexpr float WALK_DISTANCE = 58.0f;
 
 void JustAppeared() override
 {
 DoCast(SPELL_CREEPING_ROT_AURA);
 
 float angle = me->GetOrientation();
 float destX = me->GetPositionX() + WALK_DISTANCE * std::cos(angle);
 float destY = me->GetPositionY() + WALK_DISTANCE * std::sin(angle);
 float destZ = me->GetPositionZ();
 Position walkDest(destX, destY, destZ);
 
 me->GetMotionMaster()->MovePoint(0, walkDest);
 }
};
 
// 264747 - Sanguine Feast
class spell_sanguine_feast_selector : public SpellScript
{
 bool Validate(SpellInfo const* spellInfo) override
 {
 return ValidateSpellEffect({ { spellInfo->Id, EFFECT_0 } }) && ValidateSpellInfo({ uint32(spellInfo->GetEffect(EFFECT_0).CalcValue()) });
 }
 
 void HandleHit(SpellEffIndex /*effIndex*/)
 {
 Unit* caster = GetCaster();
 caster->CastSpell(GetHitUnit(), uint32(GetEffectInfo().CalcValue(caster)));
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_sanguine_feast_selector::HandleHit, EFFECT_0, SPELL_EFFECT_DUMMY);
 }
};
 
// 260889 - Creeping Rot
class spell_creeping_rot_selector : public SpellScript
{
 static constexpr float SPAWN_DISTANCE = 5.0f;
 
 void HandleHit(SpellEffIndex /*effIndex*/)
 {
 Unit* caster = GetCaster();
 Unit* target = GetHitUnit();
 
 // make sure spell is cast towards target and caster looks towards target
 caster->SetInFront(target);
 caster->SetFacingToObject(target);
 
 caster->CastSpell(target, SPELL_CREEPING_ROT_SUMMON);
 
 float angle = caster->GetOrientation();
 float destX = caster->GetPositionX() + SPAWN_DISTANCE * std::cos(angle);
 float destY = caster->GetPositionY() + SPAWN_DISTANCE * std::sin(angle);
 float destZ = caster->GetPositionZ();
 Position spawnVisualDest(destX, destY, destZ);
 caster->CastSpell(spawnVisualDest, SPELL_CREEPING_ROT_SPAWN_VISUAL, true);
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_creeping_rot_selector::HandleHit, EFFECT_0, SPELL_EFFECT_DUMMY);
 }
};
 
// 261496 - Creeping Rot (Aura)
class spell_creeping_rot_aura : public AuraScript
{
 void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
 {
 if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
 return;
 
 Creature* creature = GetTarget()->ToCreature();
 if (!creature)
 return;
 
 creature->DespawnOrUnsummon();
 }
 
 void Register() override
 {
 AfterEffectRemove += AuraEffectRemoveFn(spell_creeping_rot_aura::OnRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
 }
};
 
static Position const MirrorSpawnPositions[] =
{
 { 879.79865f, 1222.6233f, 56.47815f },
 { 856.184f, 1232.5435f, 56.52007f },
 { 859.34204f, 1238.0243f, 56.520065f },
 { 857.8333f, 1220.6545f, 56.468567f },
 { 876.17365f, 1240.2848f, 56.409615f },
 { 864.25867f, 1240.5903f, 56.520065f },
 { 863.1042f, 1218.0591f, 56.468765f }
};
 
// 264603 - Blood Mirror
class spell_blood_mirror_selector : public SpellScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_BLOOD_MIRROR_MISSILE });
 }
 
 void HandleHit(SpellEffIndex /*effIndex*/)
 {
 Position spawnPos = Trinity::Containers::SelectRandomContainerElement(MirrorSpawnPositions);
 GetCaster()->CastSpell(spawnPos, SPELL_BLOOD_MIRROR_MISSILE, true);
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_blood_mirror_selector::HandleHit, EFFECT_0, SPELL_EFFECT_DUMMY);
 }
};
 
// 260879 - Blood Bolt
// 264757 - Sanguine Feast
// 261498 - Creeping Rot
class spell_taint_of_ghuun : public SpellScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_TAINT_OF_GHUUN });
 }
 
 void HandleHit()
 {
 InstanceScript* instance = GetHitUnit()->GetInstanceScript();
 if (!instance)
 return;
 
 Creature* leaxa = instance->GetCreature(DATA_ELDER_LEAXA);
 if (!leaxa)
 return;
 
 leaxa->CastSpell(GetHitUnit(), SPELL_TAINT_OF_GHUUN, true);
 }
 
 void Register() override
 {
 AfterHit += SpellHitFn(spell_taint_of_ghuun::HandleHit);
 }
};
 
void AddSC_boss_elder_leaxa()
{
 // Creature
 RegisterUnderrotCreatureAI(boss_elder_leaxa);
 RegisterUnderrotCreatureAI(npc_blood_wave_stalker);
 RegisterUnderrotCreatureAI(npc_blood_effigy);
 
 // Spells
 RegisterSpellScript(spell_sanguine_feast_selector);
 RegisterSpellScript(spell_creeping_rot_selector);
 RegisterSpellScript(spell_creeping_rot_aura);
 RegisterSpellScript(spell_blood_mirror_selector);
 RegisterSpellScript(spell_taint_of_ghuun);
}